CN217804989U - crawler running gear - Google Patents

Abstract

The application discloses crawler belt walking device. The crawler belt walking device is arranged on a tire of a vehicle and comprises a frame; the bearing assembly is arranged on the rack and used for placing tires; the crawler assembly is arranged on the frame and used for switching the running mode of the tire into a crawler running mode; the first end of the wheel-track connecting structure is connected to the rack in a swinging mode, the second end of the wheel-track connecting structure is connected to a rim of the tire in a rotating mode, and the second end of the wheel-track connecting structure is detachably connected with the rim of the tire; and the transmission assembly is at least partially arranged in the wheel-track connecting structure and is used for connecting the tire and the track assembly in a transmission way, the driving end of the transmission assembly is arranged on the rim of the tire, and the driven end of the transmission assembly is arranged on the track assembly. The embodiment of this application can solve the relatively poor problem of crawler travel unit connection stability among the prior art, has tire and crawler travel unit and connects more stable beneficial effect.

Description

crawler running gear

technical field

The application belongs to the technical field of vehicle auxiliary accessories, and in particular relates to a crawler walking device.

Background technique

To solve the problem that cars are difficult to drive smoothly on snowy roads, cars usually add snow anti-skid measures to tires: add anti-skid chains, anti-skid studs to tires or directly replace snow tires. The friction of snow or ice improves the grip ability, but it is still helpless in the face of extremely bad roads such as deep snow or muddy roads, and it takes time and effort to install anti-skid measures.

In view of the above situation, a tire-driven crawler system device has been developed. The device has the following advantages: the off-road vehicle can be equipped with the device, the wheel train running mechanism will become a crawler running mechanism, and the height of the chassis is also improved, and the off-road performance, passability and skid resistance will all be improved.

However, this device is directly driven by the outer tread of the tire through friction. When the tire rotates, the rollers on both sides of the front and rear sides are driven to rotate through contact friction. The walking process of the device. Since the tire is in direct contact with the corresponding metal roller teeth and is relatively worn, it will cause increased wear to the tire.

Utility model content

The purpose of the embodiment of the present application is to provide a crawler running device, which can solve the problem in the prior art that the crawler running device is easy to cause tire tread wear after use.

In order to solve the above-mentioned technical problems, the application is implemented as follows:

An embodiment of the present application provides a crawler running device, the crawler running device is installed on a tire of a vehicle, including:

frame;

a receiving component installed on the frame for placing the tire;

A crawler assembly, installed on the frame, is used to switch the running mode of the tires to the crawler running mode;

The wheel-shoe connection structure, the first end is swingably connected to the frame, the second end is rotationally connected to the rim of the tire, and the second end of the wheel-shoe connection structure is detachably connected to the rim of the tire connect;

a transmission assembly, at least partly installed in the wheel-shoe connection structure, and used for transmission connection of the tire and the track assembly, the driving end of the transmission assembly is installed on the rim of the tire, and the transmission assembly The driven end of the track assembly is installed on the track assembly.

Optionally, the wheel-shoe connection structure includes a first housing, a second housing and an adjustment assembly, the first housing and the second housing are spaced apart and are adjustably connected through the adjustment assembly;

The first casing and the second casing enclose an accommodating cavity, and the transmission assembly is at least partially installed in the accommodating cavity.

Optionally, the first housing is rotatably connected to the frame, and the second housing is detachably connected to the rim of the tire;

A mounting plate is provided on the second housing, the mounting plate is rotatably connected to the second housing, and the mounting plate is fixedly connected to the rim of the tire;

The driving end of the transmission assembly is fixedly connected to the mounting plate.

Optionally, the adjustment assembly includes at least one adjustment member, a first end of the adjustment member is connected to the first housing, and a second end of the adjustment member is connected to the second housing.

Optionally, the adjustment assembly further includes at least one elastic member, the elastic member is arranged between the first housing and the second housing, the adjustment member is adapted to the elastic member and One to one correspondence.

Optionally, the transmission assembly includes a transmission member, and the transmission member is a flexible structure;

The crawler belt traveling device also includes a tensioning mechanism, the tensioning mechanism is arranged in the accommodation cavity, and the tensioning mechanism abuts on the transmission member;

During the adjustment process of the first housing and the second housing through the adjustment assembly, the tension mechanism can keep the transmission member in a tensioned state.

Optionally, the transmission assembly includes:

The active part is fixedly connected with the rim of the tire, and the active part rotates with the rotation axis of the tire;

The follower is directly or indirectly connected to the crawler assembly and is used to drive the crawler assembly to walk;

The first end of the transmission part is connected with the driving part, and the second end is connected with the driven part, so that the driving part drives the driven part to rotate.

Optionally, the driving element and the driven element are pulleys, and the transmission element is a belt; or,

The driving element and the driven element are sprockets, and the transmission element is a chain.

Optionally, the receiving assembly includes two load-bearing rotating shafts arranged at intervals, and different positions of the outer peripheral surface of the tire respectively abut against different bearing rotating shafts.

Optionally, the transmission assembly includes:

The driving sprocket is fixedly connected with the rim of the tire, and the driving sprocket rotates with the rotation axis of the tire;

The first driven sprocket is installed on the load-bearing shaft and is used to drive the load-bearing shaft to rotate synchronously with the tire;

a first chain, the first end of which is connected to the driving sprocket, and the second end is connected to the first driven sprocket, so that the driving sprocket drives the first driven sprocket to rotate;

The second driven sprocket is installed on the crawler belt assembly and is used to drive the crawler belt assembly to walk;

The second chain, the first end is connected with the first driven sprocket, and the second end is connected with the second driven sprocket, so that the first driven sprocket drives the second driven sprocket turn.

Based on the above-mentioned embodiments of the present application, the receiving assembly can be used to place tires, and the track assembly is connected to the receiving assembly. After the tire is placed on the receiving assembly, the tire and the track assembly can be connected together through a transmission assembly. Since the driving end of the transmission assembly is installed on the rim of the tire, and the driven end of the transmission assembly is installed on the crawler belt, the switching of the tire walking mode can be realized through the transmission assembly. Specifically, the driving end of the transmission assembly is driven to rotate by the rim of the tire. The driving end drives the rotation of the driven end, and then drives the work of the track assembly. In the above structure, the activity of the crawler running device is driven by the rim on the tire, specifically, it will be driven by the rotating shaft of the vehicle. In this process, the outer tread of the tire will not be used as the power source for driving the crawler running device through friction. The wear of the tire tread is reduced, and the service life of the tire is improved. The embodiments of the present application can solve the problem in the prior art that the crawler traveling device is easy to cause tire tread wear after use.

Description of drawings

Fig. 1 is a schematic structural view of a crawler traveling device connected to a tire in an embodiment of the present application;

Fig. 2 is the structural representation of the wheel-shoe connection structure in the embodiment of the present application;

Fig. 3 is a schematic structural view of the wheel-shoe connection structure in the embodiment of the present application when the adjustment assembly includes an elastic member;

Fig. 4 is a structural schematic diagram when the adjusting assembly includes a double-ended screw in the wheel-shoe connection structure in the embodiment of the present application;

Fig. 5 is a structural schematic diagram when the adjusting assembly includes turnbuckle bolts in the wheel-shoe connection structure in the embodiment of the present application;

Fig. 6 is a schematic diagram of the structure when the wheel-shoe connection structure is provided with a tensioning mechanism and cooperates with other parts of the crawler walking device in the embodiment of the application;

Fig. 7 is a schematic diagram of the structure of the crawler traveling device in the embodiment of the present application with two followers;

Fig. 8 is a structural schematic diagram of two followers of the crawler traveling device in the embodiment of the present application and when a mounting plate is provided;

Fig. 9 is a schematic structural view of the crawler traveling device in the embodiment of the present application when there is one follower;

Fig. 10 is a schematic diagram of the structure of the crawler traveling device in the embodiment of the present application when it has a shifting structure and the shifting structure cooperates with the driving sprocket;

Fig. 11 is a schematic diagram of the structure of the crawler traveling device in the embodiment of the present application when it has a speed change structure and the speed change structure cooperates with the driven sprocket;

Fig. 12 is a schematic structural view of the crawler traveling device in the embodiment of the present application when it has a shifting structure and the shifting structure cooperates with the crawler assembly;

Explanation of reference signs:

10. The receiving component; 11. The first load-bearing shaft; 12. The second load-bearing shaft;

20. Track components;

30. Transmission assembly; 31. Driving sprocket; 32. First driven sprocket; 33. First chain; 34. Second driven sprocket; 35. Second chain; 36. Installation plate;

40. Tires;

50. Wheel-shoe connection structure; 51. First housing; 52. Second housing; 53. Adjustment assembly; 531. Adjustment member; 532. Elastic member; 54. Tensioning mechanism;

60, variable speed structure.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein, and that references to "first," "second," etc. distinguish Objects are generally of one type, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the specification and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

The crawler running device provided by the embodiment of the present application will be described in detail below through specific embodiments and application scenarios with reference to the accompanying drawings.

Referring to Fig. 1 to Fig. 9, the embodiment of the present application provides a kind of crawler running device, and described crawler running device is installed on the tire 40 of vehicle, comprises:

Frame (not shown in the figure, the frame is the main supporting frame of the crawler running gear, and other parts of the crawler running gear are all directly or indirectly installed on the frame);

The receiving assembly 10 is installed on the frame for placing the tire 40;

The track assembly 20 is installed on the frame and is used to switch the running mode of the tire 40 to the track running mode;

The wheel-shoe connection structure 50, the first end is swingably connected to the frame, the second end is rotatably connected to the rim of the tire 40, and the second end of the wheel-shoe connection structure 50 is connected to the tire 40 The rim is detachably connected;

The transmission assembly 30 is at least partly installed in the wheel-shoe connection structure 50 and is used for transmission connection of the tire 40 and the track assembly 20 , and the driving end of the transmission assembly 30 is installed on the rim of the tire 40 Above, the driven end of the transmission assembly 30 is installed on the track assembly 20 .

Based on the above-mentioned embodiments of the present application, the receiving assembly 10 can be used to place the tire 40, and the track assembly 20 is connected to the receiving assembly 10. After the tire 40 is placed on the receiving assembly 10, the tire 40 and the track assembly 20 can be connected by the transmission assembly 30. connected. Since the driving end of the transmission assembly 30 is installed on the rim of the tire 40, and the driven end of the transmission assembly 30 is installed on the crawler belt, the switching of the walking mode of the tire 40 can be realized through the transmission assembly 30, specifically, the transmission is driven by the rim of the tire 40. The driving end of the assembly 30 rotates, and the driving end drives the rotation of the driven end, thereby driving the crawler belt assembly 20 to work. In the above structure, the activity of the crawler running device is driven by the rim on the tire 40, specifically, it will be driven by the rotating shaft of the vehicle. In this process, the outer tread of the tire 40 will not be used as the power to drive the crawler running device through friction. source, reducing the wear of the tire 40 tread and improving the service life of the tire 40. The wheel-shoe connecting structure 50 is used to stably connect the tire 40 and the crawler running device. After the first end of the wheel-shoe connection structure 50 is rotatably connected to the frame, the first end of the wheel-shoe connection structure 50 can swing relative to the frame, and then the connection position of the second end of the wheel-shoe connection structure 50 can be adjusted. , and because the length of the wheel-shoe connection structure 50 can be adjusted, so that the wheel-shoe connection structure 50 can be adapted to various types of tires 40, and the universality of the crawler walking device can be improved. After the second end of the wheel-shoe connection structure 50 is detachably connected to the rim of the tire 40, the assembly and disassembly of the crawler traveling device can be realized by disassembling the wheel-shoe connection structure 50 and the tire 40. Compared with the method in the prior art that ensures installation stability through relative friction and the weight of the vehicle, after the connection of the wheel-track connecting structure 50, the tire 40 and the crawler running device can be connected more stably, avoiding the problem of the crawler running device. Accidental detachment. The embodiment of the present application can solve the problem that the tread of the tire 40 is easily worn after the use of the crawler running device in the prior art, and can solve the problem of poor connection stability of the crawler running device in the prior art. The beneficial effect of a more stable running gear connection.

It should be noted that when the tire 40 is placed on the receiving assembly 10 , it can be placed with an auxiliary tool of a jack, or a slope can be set or made so that the vehicle can drive on the slope and finally be placed on the receiving assembly 10 .

It should be noted that the frame is provided with a receiving assembly 10, and the tire 40 can be carried on the receiving assembly 10, and the stability of the tire 40 after connection is improved through the above-mentioned wheel-shoe connection structure 50.

Further, the receiving assembly 10 includes two load-bearing shafts, the two load-bearing shafts are specifically a first load-bearing shaft 11 and a second load-bearing shaft 12, the first load-bearing shaft 11 and the second load-bearing shaft 12 are arranged in parallel and at intervals, and the first load-bearing shaft 11 and the second load-bearing rotating shaft 12 abut against different positions of the outer peripheral surface of the tire 40 respectively, and the tire 40 will be at least partially between the first load-bearing rotating shaft 11 and the second load-bearing rotating shaft 12, thereby improving the stability of the tire 40 after placement After the wheel-track connecting structure 50 is connected, three-point locking can be realized through the first load-bearing rotating shaft 11, the second load-bearing rotating shaft 12 and the second end of the wheel-track connecting structure 50, further improving the stability of the connection between the tire 40 and the crawler running device sex. The first end of the wheel-shoe connecting structure 50 can be rotatably connected to the first load-bearing rotating shaft 11 .

2 to 5, in some embodiments of the present application, the wheel-shoe connection structure 50 includes a first housing 51, a second housing 52 and an adjustment assembly 53, the first housing 51 and the The second housings 52 are arranged at intervals and are adjustably connected through the adjustment assembly 53 , and the adjustment assembly 53 is used for adjusting the distance between the first housing 51 and the second housing 52 .

Based on the above-mentioned embodiments of the present application, the first housing 51 and the second housing 52 are used to wrap the transmission assembly 30 described below, which can protect the transmission assembly 30 and prevent the transmission assembly 30 from being damaged by the outside world, or prevent the transmission assembly 30 from being damaged by the outside world. Pollutants such as dust affect the transmission of the transmission assembly 30, and the adjustment assembly 53 is used to adjust the distance between the first housing 51 and the second housing 52, thereby changing the distance between the two ends of the wheel-shoe connection structure 50 , to achieve the effect of adapting various types of tires 40 .

In some embodiments of the present application, the first housing 51 is rotatably connected to the frame, and the second housing 52 is detachably connected to the rim of the tire 40;

The second housing 52 is provided with a mounting plate 36 , the mounting plate 36 is rotatably connected to the second housing 52 , and the mounting plate 36 is fixedly connected to the rim of the tire 40 .

Based on the above-mentioned embodiments of the present application, the first housing 51 is relatively arranged at the first end of the wheel-shoe connection structure 50. After the first housing 51 is rotatably connected to the frame, the first end of the wheel-shoe connection structure 50 can be Can swing relative to the frame, during the swing process, the second end of the wheel-shoe connecting structure 50 can be adjusted to a position close to the rotation axis of the tire 40, and then the second housing 52 is detachably connected to the rim of the tire 40, the second The second housing 52 is specifically installed on the rim through the mounting plate 36, the mounting plate 36 can rotate relative to the second housing 52, and the mounting plate 36 can be used as the connecting body of the driving end of the transmission assembly 30, so that the transmission assembly 30 can follow the movement of the tire 40. Rotate and drive.

In some embodiments of the present application, the adjustment assembly 53 includes at least one adjustment member 531, the first end of the adjustment member 531 is connected to the first housing 51, and the second end of the adjustment member 531 is connected to The second housing 52 is connected.

Based on the above-mentioned embodiments of the present application, the adjusting member 531 is used to adjust the distance between the first housing 51 and the second housing 52. After at least one adjustment member 531 is provided, the adjustment of the adjustment assembly 53 can be made more stable and reliable.

Referring to FIG. 3 , in some embodiments of the present application, the adjustment assembly 53 further includes at least one elastic member 532 , and the elastic member 532 is disposed between the first housing 51 and the second housing 52 , the adjusting member 531 is adapted to and corresponds to the elastic member 532 one by one.

Based on the above-mentioned embodiments of the present application, the setting of the elastic member 532 can enable a certain reset function between the first housing 51 and the second housing 52, so that the first housing 51 and the second housing 52 can be adjusted Under the action of the assembly 53, the spacing is adjusted, and when the adjustment assembly 53 is not adjusted, the current spacing is maintained by the elastic member 532. Moreover, the setting of the elastic member 532 can also temporarily adjust the spacing by external force. When the assembly error is small, it can be quickly assembled by manpower to overcome the elastic force, thereby improving the assembly efficiency. Tire 40 is attached.

It should be noted that the elastic member 532 can be configured as a spring, a shrapnel, a torsion spring and other structures. When the adjusting member 531 is a bolt, the elastic member 532 is preferentially set as a spring, and the spring is sleeved on the bolt. At this time, the two ends of the spring abut against the first shell 51 and the second shell 52 respectively.

2 to 5, in some embodiments of the present application, the adjustment member 531 is an adjustment screw, the first housing 51 is provided with a first connecting portion, and the first connecting portion has a first A connection hole, the second housing 52 is provided with a second connection portion, the second housing 52 has a second connection hole, and the adjusting screw is passed through the first connection hole and the second connection hole at the same time. Two connecting holes;

The adjustment screw adjusts the distance between the first housing 51 and the second housing 52 through a suitable nut; or, one of the first connecting hole and the second connecting hole One is a threaded connection hole, the other is a round hole, and the end of the adjusting screw near the round hole has a limiting structure.

Based on the above-mentioned embodiments of the present application, after the adjusting member 531 is configured as an adjusting screw, the distance between the first housing 51 and the second housing 52 can be adjusted by using the thread on the adjusting screw. Specifically, the adjusting screw can adjust the distance between the first housing 51 and the second housing 52 through a suitable nut. At this time, both the first connecting hole and the second connecting hole can be set as circular holes, and the adjusting screw After passing through the first connecting hole and the second connecting hole, the above-mentioned spacing can be adjusted by the relative rotation of the nut and the adjusting screw;

One of the first connection hole and the second connection hole is a threaded connection hole, and the other is a round hole, and the end of the adjusting screw near the round hole has a limit structure. The holes are matched, and the adjusting screw rotates in situ at the first end during the adjustment process, and the distance between the first housing 51 and the second housing 52 is adjusted through the threaded connection between the second end and the threaded hole.

It should be noted that the adjustment member 531 can also be set as a stud bolt, and the thread directions at both ends are opposite. The first connection hole and the second connection hole are threaded holes. When the stud bolt rotates in the first direction, the first shell The body 51 and the second housing 52 approach each other, and when the stud bolt rotates in the second direction, the first housing 51 and the second housing 52 move away from each other.

In some embodiments of the present application, the adjusting member 531 is a turnbuckle bolt, the two ends of the turnbuckle bolt are respectively connected to the first housing 51 and the second casing 52, and the center of the turnbuckle bolt is rotated to By adjusting the knob, the first housing 51 and the second housing 52 are moved closer or farther away.

Based on the above-mentioned embodiments of the present application, the arrangement of the turnbuckle can be adjusted and rotated through the middle part, so that the distance between the first housing 51 and the second housing 52 can be adjusted. Specifically, the turnbuckle includes a first connecting part, a second connecting part and an adjusting part arranged in the middle. By rotating the adjusting part, the first connecting part and the second connecting part can be moved closer to or farther away from each other, and the first connecting part deviates from the adjusting part. One end of the part is connected to the first housing 51, and one end of the second connecting part away from the adjusting part is connected to the second housing 52, and then the first connecting part and the second connecting part can be moved closer or farther away from each other to drive The approach or distance between the first housing 51 and the second housing 52 achieves the effect of adjusting the distance between the first housing 51 and the second housing 52 .

Referring to FIGS. 6 to 9 , in some embodiments of the present application, the crawler traveling device further includes a transmission assembly 30 , and the driving end of the transmission assembly 30 is mounted on the rim of the tire 40 through the wheel-shoe connection structure 50 , the driven end of the transmission assembly 30 is installed on the track assembly 20 connected to the frame;

The first housing 51 and the second housing 52 form an accommodating cavity, and the transmission assembly 30 is at least partially installed in the accommodating cavity.

Based on the above-mentioned embodiments of the present application, the transmission assembly 30 is used to drive and connect the tire 40 and the crawler running device. Specifically, the driving end of the transmission assembly 30 is installed on the rim of the tire 40, and the driven end of the transmission assembly 30 The end is installed on the crawler belt, so that the switching of the walking mode of the tire 40 can be realized through the transmission assembly 30, and the driving end of the transmission assembly 30 can be driven to rotate through the rim of the tire 40, and the driving end drives the rotation of the driven end to drive the crawler belt assembly. 20 jobs. In the above structure, the activity of the crawler running device is driven by the rim on the tire 40, specifically, it will be driven by the rotating shaft of the vehicle. In this process, the outer tread of the tire 40 will not be used as the power to drive the crawler running device through friction. source, reducing the wear of the tire 40 tread and improving the service life of the tire 40. After the transmission assembly 30 is at least partially installed in the accommodating cavity, the transmission assembly 30 can be partly passed through the first casing 51 and the second casing 52, and then this part of the transmission assembly 30 can be protected to avoid damage to the transmission assembly 30 by the outside world. , or to prevent external dust and other pollutants from affecting the transmission of the transmission assembly 30 .

In some embodiments of the present application, the second housing 52 is provided with a mounting plate 36, the mounting plate 36 is rotatably connected to the second housing 52, and the mounting plate 36 is fixedly connected to the tire 40 on the rim;

The driving end of the transmission assembly 30 is fixedly connected to the mounting plate 36 .

Based on the above-mentioned embodiments of the present application, the mounting plate 36 can rotate relative to the second housing 52, and the mounting plate 36 can be used as the connecting body of the driving end of the transmission assembly 30, so that the driving end of the transmission assembly 30 can be driven with the rotation of the tire 40. .

Further, in the embodiment of the present application, the mounting plate 36 is a flange plate, and the mounting plate 36 is mounted on the rim through a fixing member.

Based on the above-mentioned embodiments of the present application, after the mounting plate 36 is a flange, it can have a plurality of mounting holes, and the number of mounting holes can be the same as the number of bolts on the rim. By connecting fixed parts such as bolts, the active part can be further improved. The stability of the connection.

In some embodiments of the present application, the transmission assembly 30 includes a transmission member, and the transmission member is a flexible structure;

Referring to Fig. 6, the crawler belt traveling device further includes a tensioning mechanism 54, the tensioning mechanism 54 is arranged in the accommodating chamber, and the tensioning mechanism 54 abuts on the transmission member;

During the adjustment process of the first housing 51 and the second housing 52 by the adjustment assembly 53 , the tension mechanism 54 can keep the transmission member in a tensioned state.

Based on the above-mentioned embodiments of the present application, the configuration of the transmission member is used to transmit the motion of the driving end to the driven end in the transmission assembly 30 , and the flexible structure of the transmission member can make the transmission more flexible. The setting of the tensioning mechanism 54 can make the first housing 51 and the second housing 52 adjust through the process of the adjustment assembly 53, the tensioning mechanism 54 can keep the transmission parts in a tight state, and ensure that the adjustment assembly 53 adjusts the front and rear transmission assemblies 30 Always maintain a stable transmission effect.

It should be noted that at least one tensioning mechanism 54 can be provided, and the tensioning mechanism 54 can be installed on the first housing 51 and/or the second housing 52, taking the installation on the first housing 51 as an example, the tensioning mechanism 54 includes a mounting portion connected to the first housing 51, an elastic connecting portion connected to the mounting portion, and a tensioning wheel disposed on the elastic connecting portion. The tensioning pulley can move along with the elastic connection part, and the tensioning pulley can be set as a smooth cylindrical structure. It can also be set on the tensioning pulley with a tensioning groove that matches the belt or on the chain as required. The sprocket teeth are specifically changed according to the similarity of the transmission assembly 30 .

7 to 9, in the embodiment of the present application, the transmission assembly 30 includes:

The active part is fixedly connected to the rim of the tire 40, and the active part rotates with the rotation axis of the tire 40;

The follower is directly or indirectly connected with the track assembly 20, and is used to drive the track assembly 20 to walk;

The first end of the transmission part is connected with the driving part, and the second end is connected with the driven part, so that the driving part drives the driven part to rotate.

Based on the above-mentioned embodiments of the present application, the active part, as the active end of the transmission assembly 30, can rotate with the rotation axis of the tire 40, and the driven part can directly or indirectly drive the track assembly 20 to move. parts for transmission. Through the cooperation of the driving element, the driven element and the transmission element, the rotation of the tire 40 can drive the activity of the crawler assembly 20, thereby realizing the effect of switching the walking mode of the tire 40 to the crawler walking mode.

It should be noted that there may be more than one driven member in the present application, and the driven member at the end of the transmission may directly drive the crawler belt assembly 20 . In the present application, the transmission ratio between the driving part and the driven part, and the transmission ratio between two adjacent driven parts are selected according to actual needs, and a certain speed change structure can be set if necessary, so as to realize different driving speeds for the crawler belt assembly 20 .

In the embodiment of the present application, the driving element and the driven element are pulleys, and the transmission element is a belt; or,

The driving element and the driven element are sprockets, and the transmission element is a chain.

Based on the above-mentioned embodiments of the present application, the above-mentioned method has listed two implementations of the transmission assembly 30, one of which is to drive the crawler assembly 20 to move by means of belt transmission, so as to realize effective driving under complex road sections such as deep snow or muddy road sections The second is the activity of the crawler track assembly 20 driven by the chain transmission mode, so as to realize effective driving under complex road sections such as deep snow or muddy road sections. The present application is not limited to the above two transmission methods, and transmission methods such as worm gear and gear set can also be used. The gear set can use the matching structure of multiple gears, and the gears in the gear set can be the same gear, or multiple The cooperation of the gears may specifically be the cooperation of a plurality of external gears, or a structure such as a planetary gear train.

7 to 9, in the embodiment of the present application, the transmission assembly 30 includes:

The driving sprocket 31 is fixedly connected with the rim of the tire 40, and the driving sprocket 31 rotates with the rotation axis of the tire 40;

The driven sprocket is connected with the crawler belt assembly 20 and is used to drive the crawler belt assembly 20 to walk;

The first end of the chain is connected to the driving sprocket 31, and the second end is connected to the driven sprocket, so that the driving sprocket 31 drives the driven sprocket to rotate.

Based on the above-mentioned embodiments of the present application, the driving sprocket 31 can be fixedly connected with the rim of the tire 40, so that the rotation of the tire 40 can drive the driving sprocket 31 to rotate, and under the connection of the chain, the driving sprocket 31 can be Can drive the rotation of the driven sprocket, because the driven sprocket is connected to the crawler belt assembly 20 and can drive the crawler belt assembly 20 to walk, so that the walking mode of the tire 40 can be switched to the crawler belt walking mode, thereby realizing deep snow or muddy road sections Effective driving on complex road sections.

In the embodiment of the present application, the receiving assembly 10 includes two load-bearing rotating shafts arranged at intervals, and different positions of the outer peripheral surface of the tire 40 abut against different load-bearing rotating shafts respectively.

Based on the above-mentioned embodiments of the present application, the setting of the load-bearing shaft can reduce the relative friction between the tire 40 and the load-bearing shaft by cooperating with the rotation of the tire 40, reduce the wear speed of the tire 40 outer tread, and improve the service life of the tire 40.

It should be noted that the two load-bearing shafts include a first load-bearing shaft 11 and a second load-bearing shaft 12, the first load-bearing shaft 11 and the second load-bearing shaft 12 are arranged in parallel and at intervals, and the first load-bearing shaft 11 and the second load-bearing shaft 12 are respectively Abutting against different positions on the outer peripheral surface of the tire 40, the tire 40 will be at least partially between the first load-bearing rotating shaft 11 and the second load-bearing rotating shaft 12, thereby improving the stability of the tire 40 after being placed. After the transmission assembly 30 is connected, Three-point locking can be realized through the first load-bearing rotating shaft 11 , the second load-bearing rotating shaft 12 and the transmission assembly 30 to improve the stability of the connection between the tire 40 and the crawler running device.

7 and 8, in the embodiment of the present application, the transmission assembly 30 includes:

The driving sprocket 31 is fixedly connected with the rim of the tire 40, and the driving sprocket 31 rotates with the rotation axis of the tire 40;

The first driven sprocket 32 is installed on the load-bearing shaft for driving the load-bearing shaft to rotate synchronously with the tire 40;

First chain 33, first end is connected with described driving sprocket 31, and second end is connected with described first driven sprocket 32, makes described driving sprocket 31 drive described first driven sprocket 32 to rotate ;

The second driven sprocket 34 is installed on the crawler belt assembly 20 and is used to drive the crawler belt assembly 20 to walk;

Second chain 35, first end is connected with described first driven sprocket 32, and second end is connected with described second driven sprocket 34, makes described first driven sprocket 32 drive described second The driven sprocket 34 rotates.

Based on the above-mentioned embodiments of the present application, the driving sprocket 31 can be fixedly connected with the rim of the tire 40, so that the rotation of the tire 40 can drive the driving sprocket 31 to rotate, and under the connection of the first chain 33, the driving sprocket 31 can be made to rotate. Sprocket 31 can drive the rotation of first driven sprocket 32, because first driven sprocket 32 is installed on the load-bearing rotating shaft, can drive corresponding load-bearing rotating shaft to rotate like this by first driven sprocket 32 (as accompanying drawing 7 In and 8, the first driven sprocket 32 is connected with the first load-bearing shaft 11, not limited to this connection), so that the load-bearing shaft and the tire 40 can rotate synchronously, further reducing the distance between the tire 40 outer tread and the load-bearing shaft relative friction. Under the connection of the second chain 35, the first driven sprocket 32 can drive the rotation of the second driven sprocket 34, because the second driven sprocket 34 is connected on the track assembly 20 and can drive the track assembly 20 Walking, in this way, the walking mode of the tire 40 can be switched to the crawler walking mode, thereby realizing effective driving on complex road sections such as deep snow or muddy road sections.

It should be noted that the above-mentioned synchronous rotation of the load-bearing shaft and the tire 40 does not mean that the rotational speeds corresponding to the rotation center of the load-bearing shaft and the tire 40 are consistent, but that the load-bearing shaft and the outer peripheral surface of the tire 40 can be synchronized without relative rotation. friction, or the resulting relative friction is lower than the preset value.

In the embodiment of the present application, the crawler traveling device further includes a speed change structure 60, and the speed change structure 60 is installed on at least one of the crawler belt assembly 20 and the transmission assembly 30 for directly or indirectly adjusting The transmission ratio between the tire 40 and the track assembly 20 .

Specifically, the shifting structure 60 can be arranged on the crawler belt assembly 20, specifically, it can be installed at the connection position between the crawler belt assembly 20 and the transmission assembly 30, and by changing the transmission ratio of the transmission assembly 30 and the crawler belt assembly 20, the travel of the nearest crawler belt assembly 20 can be changed. Speed; the speed change structure 60 can also be installed on the transmission assembly 30, specifically, it can be installed on the driving part or the driven part of the transmission assembly 30, and the speed change structure 60 can also be installed on the driving part and the driven part. The structure 60 is installed on the drive sprocket 31, and the rim of the drive sprocket 31 and the tire 40 is indirectly connected through the speed change structure 60, so that the transmission ratio of the tire 40 and the drive sprocket 31 can be adjusted, and then the track assembly 20 can be adjusted. and the adjustment of the transmission ratio between the tire 40. The shifting structure 60 can also be matedly connected to the first sprocket or the second sprocket.

It should be noted that the setting of the transmission structure 60 will participate in the transmission, thereby adjusting the transmission ratio. Adjustment keys can be set on the shifting structure 60 as required, and the shift ratio of the shifting structure 60 can be changed by pressing the keys; or a wireless communication structure can be set, and communication control can be carried out by remote control. Of course, a wired remote control can also be provided to control the shifting structure 60 as required.

It should be noted that the speed change structure 60 can be a general speed reducer, a planetary speed reducer, a speed change gear set, a speed change sprocket set, etc., which can be selected according to specific needs.

In the embodiment of the present application, the central axis of the active member is set in the extension direction of the rotation axis of the tire 40 .

Based on the above-mentioned embodiments of the present application, after the central axis of the active member is set in the extension direction of the rotating shaft of the tire 40, the rotation of the active member can be made to rotate along with the rotation of the tire 40, and there will be no eccentric rotation. , to ensure the stability of the transmission.

In the embodiment of the present application, the transmission assembly 30 further includes a mounting plate 36 , the mounting plate 36 is fixedly connected to the rim, and the driving component is mounted on the mounting plate 36 .

Based on the above-mentioned embodiments of the present application, the setting of the mounting plate 36 can make the connection between the active part and the rim more stable and reliable, and the mounting plate 36 can be fixed on the rim through corresponding fixing parts.

In the embodiment of the present application, the mounting plate 36 is a flange plate, and the mounting plate 36 is mounted on the rim through a fixing member.

Based on the above-mentioned embodiments of the present application, after the mounting plate 36 is a flange, it can have a plurality of mounting holes, and the number of mounting holes can be the same as the number of bolts on the rim. By connecting fixed parts such as bolts, the active part can be further improved. The stability of the connection.

It should be noted that the crawler running device in the embodiment of the present application is used in conjunction with a vehicle with tires, and the corresponding vehicle includes a main body and the above crawler running device; the main body is provided with a tire 40, and the crawler running device and The tire 40 is detachably attached.

Based on the above-mentioned embodiments of the present application, specifically, the above-mentioned crawler-tracked vehicle can effectively drive on complex road sections such as deep snow or muddy road sections, and at the same time, it is not easy to cause tire 40 tread wear.

It should be noted that the means of transportation in this application include, but are not limited to, transport vehicles, special-purpose vehicles, amphibious vehicles, and airplanes. Among them, transportation vehicles include passenger cars, passenger cars, trucks, tractor vehicles, etc.; special-purpose vehicles include recreational vehicles, racing vehicles, special operation vehicles, etc. According to different means of transportation, the caterpillar walking device of suitable size can be selected.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Under the inspiration of this application, without departing from the purpose of this application and the scope of protection of the claims, many forms can also be made, all of which belong to the protection of this application.

Claims (10)

1. Crawler belt device mounted on a tire (40) of a vehicle, comprising:

a frame;

the bearing assembly (10) is arranged on the rack and comprises two bearing rotating shafts arranged at intervals and used for placing the tire (40);

a track assembly (20) mounted on the frame for switching a travel mode of the tire (40) to a track travel mode;

a transmission assembly (30) for drivingly connecting the tire (40) and the track assembly (20), a driving end of the transmission assembly (30) being mounted on a rim of the tire (40), a driven end of the transmission assembly (30) being mounted on the track assembly (20);

the first end of the wheel-track connecting structure (50) is connected to the frame in a swinging mode, the second end of the wheel-track connecting structure (50) is connected to the rim of the tire (40) in a rotating mode, the second end of the wheel-track connecting structure (50) is detachably connected with the rim of the tire (40), and the transmission assembly (30) is at least partially installed in the wheel-track connecting structure (50).

2. Crawler belt according to claim 1, characterized in that the wheel-track connection structure (50) comprises a first housing (51), a second housing (52) and an adjustment assembly (53), the first housing (51) being arranged spaced apart from the second housing (52) and being adjustably connected by the adjustment assembly (53);

the first housing (51) and the second housing (52) enclose a containing cavity, and the transmission assembly (30) is at least partially installed in the containing cavity.

3. Crawler belt device according to claim 2, characterized in that said first housing (51) is rotatably connected to said frame, said second housing (52) being removably connected to the rim of said tyre (40);

a mounting disc (36) is arranged on the second shell (52), the mounting disc (36) is rotatably connected with the second shell (52), and the mounting disc (36) is fixedly connected to a rim of the tire (40);

the driving end of the transmission assembly (30) is fixedly connected to the mounting disc (36).

4. Crawler belt according to claim 2, characterized in that the adjusting assembly (53) comprises at least one adjusting piece (531), the first end of the adjusting piece (531) being connected with the first housing (51) and the second end of the adjusting piece (531) being connected with the second housing (52).

5. Crawler belt according to claim 4, characterized in that the adjustment assembly (53) further comprises at least one elastic member (532), the elastic member (532) being arranged between the first housing (51) and the second housing (52), the adjustment members (531) being adapted to the elastic member (532) in a one-to-one correspondence.

6. Crawler-track according to claim 2, characterized in that the transmission assembly (30) comprises a transmission, which is of flexible construction;

the crawler belt walking device further comprises a tensioning mechanism (54), the tensioning mechanism (54) is arranged in the accommodating cavity, and the tensioning mechanism (54) abuts against the transmission piece;

the tensioning mechanism (54) can keep the transmission piece in a tensioned state in the process that the first shell (51) and the second shell (52) are adjusted through the adjusting component (53).

7. Crawler belt device according to claim 1, wherein said transmission assembly (30) comprises:

the driving piece is fixedly connected with a rim of the tire (40) and rotates along with a rotating shaft of the tire (40);

a driven member directly or indirectly connected with the track assembly (20) and used for driving the track assembly (20) to walk;

and the first end of the transmission part is connected with the driving part, and the second end of the transmission part is connected with the driven part, so that the driving part drives the driven part to rotate.

8. The crawler belt device according to claim 7, wherein the driving member and the driven member are pulleys, and the transmission member is a belt; or,

the driving part and the driven part are chain wheels, and the transmission part is a chain.

9. Crawler belt according to claim 1, characterized in that it further comprises a speed change structure (60), said speed change structure (60) being mounted on at least one of said track assembly (20) and said transmission assembly (30) for directly or indirectly adjusting the transmission ratio between said tyre (40) and said track assembly (20).

10. Crawler belt device according to claim 9, wherein said transmission assembly (30) comprises:

the driving chain wheel (31) is fixedly connected with the rim of the tire (40), and the driving chain wheel (31) rotates along with the rotating shaft of the tire (40);

the first driven chain wheel (32) is arranged on the bearing rotating shaft and is used for driving the bearing rotating shaft to synchronously rotate along with the tire (40);

the first chain (33) is connected with the driving chain wheel (31) at the first end and connected with the first driven chain wheel (32) at the second end, so that the driving chain wheel (31) drives the first driven chain wheel (32) to rotate;

a second driven sprocket (34) mounted on the track assembly (20) for driving the track assembly (20) to travel;

and a second chain (35), wherein a first end of the second chain is connected with the first driven chain wheel (32), and a second end of the second chain is connected with the second driven chain wheel (34), so that the first driven chain wheel (32) drives the second driven chain wheel (34) to rotate.

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