CN104290637B - Container lowering or hoisting gear and haulage vehicle for interchangeable carbody case - Google Patents

Abstract

The invention discloses a container elevating device and a transport vehicle for exchangeable car body boxes. The container lifting device includes: a mounting beam, one end of which is used to connect with the frame main beam of the transport vehicle; a lifting support, which includes a fixed seat and a movable seat, wherein the fixed seat is connected to the other end of the mounting beam, and the movable seat It is slidably arranged in the fixed seat along the vertical direction, and the movable seat is used to connect with the bottom corner of the cargo box to drive the cargo box to rise or fall; the twist lock is rotatably arranged on the top of the movable seat to realize the movement Locking and unlocking of seat and bottom corner piece. The movable seat includes a seat body, an upper end plate, a positioning block for extending into the bottom hole of the bottom corner piece and a through hole for installing the turn lock. According to the container lifting device for the exchangeable car body box of the present invention, the loading and unloading of the container on the transport vehicle is realized, the waiting time for loading and unloading of the container is reduced, and the use of the transport vehicle is improved. rate, which in turn improves the efficiency of logistics and transportation.

Description

Cargo box lifting device and transport vehicle for interchangeable body boxes

technical field

The invention relates to the technical field of interchangeable car body box transportation, in particular to a container lifting device and a transport vehicle for an exchangeable car body box.

Background technique

At present, wholesale and retail enterprises such as shopping malls and supermarkets mainly use vans when delivering goods. The cargo box of this van transport vehicle cannot be separated from the transport vehicle, and the van transport vehicle can only leave after the loading and unloading of the goods is completed, which reduces the utilization rate of the van transport vehicle.

In order to improve the utilization rate of van transport vehicles, the van transport vehicles are usually unloaded on the spot after arriving at the freight yard. After the unloading is completed, the van transport vehicles leave the freight yard, and then the staff will move the goods from the freight yard to the warehouse. However, such a method still requires the transport vehicle to wait for a long time, and also increases the workload of the staff.

Therefore, there is a need for a cargo box lifting device and a transport vehicle for exchangeable car body boxes, which can realize the operation of dumping box transportation, so as to at least partially solve the problems existing in the prior art.

Contents of the invention

A series of concepts in simplified form are introduced in the Summary of the Invention, which will be further detailed in the Detailed Description. The summary of the invention in the present invention does not mean to limit the key features and essential technical features of the claimed technical solution, nor does it mean to try to determine the protection scope of the claimed technical solution.

In order to solve the above problems, the present invention discloses a cargo box lifting device for an exchangeable car body box, which includes: a mounting beam, one end of which is used to connect with the frame main beam of the transport vehicle; a lifting support , the lifting support includes a fixed seat and a movable seat, wherein the fixed seat is connected to the other end of the installation beam, and the movable seat is slidably arranged in the fixed seat along the vertical direction, and the The movable seat is used to connect with the bottom corner of the cargo box to drive the cargo box to rise or fall; the rotary lock is rotatably arranged on the top of the movable seat to realize the connection between the movable seat and the Locking and unlocking of bottom corner fittings, wherein, the movable seat includes: a seat body; an upper end plate, the upper end plate is connected to the top end of the seat body; a positioning block, the positioning block is connected to the top of the upper end plate On the surface, the positioning block is used to extend into the bottom hole of the bottom corner piece; and the through hole for installing the turn lock, the through hole for installing the turn lock runs through the upper end plate and the positioning block.

Preferably, a top corner piece is provided on the top of the movable seat, so as to connect the movable seat with the bottom corner piece through a corner piece lock.

Preferably, the cargo box lifting device for an exchangeable car body box further includes a locking pin, and a first pin hole is provided on the fixing base, and the first pin hole runs through the The side wall of the fixed seat is provided with a second pin hole on the movable seat, and the second pin hole runs through the side wall of the movable seat in the horizontal direction, and the first pin hole and the first pin hole The inner diameters of the two pin holes are approximately equal, and the locking pin is used to insert the first pin hole and the second pin hole when the first pin hole is aligned with the second pin hole holes to lock the position of the movable seat relative to the fixed seat.

Preferably, the inner wall of the first pin hole is provided with a first groove, the inner wall of the second pin hole is provided with a second groove, and the first groove and the second groove configured to be aligned when the first pin hole is aligned with the second pin hole, a stud is provided on the locking pin, the locking pin being configured to fit on the first pin shaft hole and the second pin hole, and the stud is configured to pass through the first groove and the second groove to prevent the locking pin from moving from the first The pin hole and the second pin hole are disengaged.

Preferably, a piston rod through hole is provided on the bottom plate of the fixed seat, an oil cylinder is connected on the bottom plate, and the piston rod of the oil cylinder passes through the piston rod through hole and is connected with the movable seat to drive The movable seat slides vertically in the fixed seat.

The present invention also provides a transport vehicle, which includes a frame main girder and a detachable cargo box, the above-mentioned cargo box elevating device for exchanging a car body box is arranged on the outer side of the vehicle frame girder, and the The installation crossbeam of the cargo box lifting device for the exchangeable car body box is connected to the outer side of the main beam of the vehicle frame, and the positions of the lifting supports of the cargo box lifting device for the exchangeable car body box are respectively Corresponding to the position of each bottom corner piece of the cargo box.

According to the cargo box lifting device for an exchangeable car body box of the present invention, after being installed on the main beam of the vehicle frame of the transport vehicle, the movable seat can be used to drive the cargo box by connecting the movable seat with the bottom corner piece of the cargo box. Lifting, thereby realizing the loading and unloading of the container on the transport vehicle, reducing the waiting time for loading and unloading the container, improving the utilization rate of the transport vehicle, and thus improving the efficiency of logistics transportation.

Description of drawings

The following drawings of embodiments of the invention are hereby included as part of the invention for understanding the invention. Embodiments of the present invention and description thereof are shown in the drawings to explain the principles of the present invention. In the attached picture,

Fig. 1 is a schematic diagram of the connection structure between the container lifting device of the present invention and the main beam of the frame of the transport vehicle;

Fig. 2 is a cross-sectional view of A in Fig. 1; and

Fig. 3 is a schematic diagram of an exploded structure of a movable seat of a container lifting device according to an embodiment of the present invention.

detailed description

In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that embodiments of the invention may be practiced without one or more of these details. In other examples, in order to avoid confusion with the embodiments of the present invention, some technical features known in the art are not described.

In order to thoroughly understand the embodiments of the present invention, the detailed structure will be set forth in the following description. Obviously, the practice of the embodiments of the invention is not limited to specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.

The invention discloses a container lifting device for an exchangeable car body box. The exchangeable car body box mentioned here means that the container carried by the transport vehicle can be removed from the transport vehicle and rely on its own legs Independently supported on the ground. As shown in FIG. 1 , the container lifting device for an exchangeable vehicle body box includes a mounting beam 10 and a lifting support 30 . It can also be seen from FIG. 1 that one end of the installation beam 10 is used to connect with the frame main beam 50 of the transport vehicle. The lifting support 30 includes a fixed seat 20 and a movable seat 40, wherein the fixed seat 20 is connected to the other end of the installation beam 10, that is, the fixed seat 20 is connected with the frame main beam 50 of the transport vehicle through the installation beam 10, so that it can be transported The vehicles move synchronously. The movable seat 40 is slidably arranged in the fixed seat 20 along the vertical direction. For example, an oil cylinder can be used to drive the movable seat 40 to move. The gear is manually driven or driven by a motor to rotate, and then the lifting of the movable seat 40 is realized through the engagement of the gear and the rack. Referring to Fig. 2 below, it can be seen that the top of the movable seat 40 is provided with a turn lock 49, and the turn lock 49 is rotatably arranged on the top of the movable seat 40, so that when the movable seat 40 is connected with the bottom corner piece 90, the two The former is locked, so that the two are firmly connected. When it is necessary to separate the movable seat 40 from the bottom corner piece 90, turn the turn lock 49 in the opposite direction to unlock it.

When in use, first make the vehicle frame girder 50 under the cargo box by driving the transport vehicle (the cargo box is supported on the ground by the foldable legs at this moment), then adjust the position of the transport vehicle to make the movable seat 40 and the cargo box The bottom corner piece 90 is aligned. Then the movable seat 40 is moved upwards relative to the fixed seat 20, so that the movable seat 40 is in contact with the bottom corner piece 90 of the container, and then the movable seat 40 is continued to rise relative to the fixed seat 20 until the legs of the container are suspended. Next, the legs of the cargo box are folded, and the movable seat 40 is controlled to descend so that the cargo box falls on the transport vehicle, and finally the two are connected by turning the turn lock 49. At this time, the cargo box has been connected with the transport vehicle as one, and it is completed The loading of the container on the transport vehicle. When unloading the cargo box, first make the movable seat 40 rise a certain distance, and this distance needs to ensure that the supporting legs of the cargo box can be suspended in the air after being deployed. Then control the movable seat 40 to descend, so that the legs of the container can be supported on the ground. Then by rotating the turn lock 49 in the opposite direction, the connection between the movable seat 40 and the bottom corner piece 90 of the container is released, and the movable seat 40 is continuously controlled to descend so that the movable seat 40 disengages from the bottom corner piece 90 . Finally, driving the transport vehicle to leave the container completes the unloading of the container from the transport vehicle.

According to the cargo box lifting device for an exchangeable car body box of the present invention, after being installed on the main beam of the vehicle frame of the transport vehicle, the movable seat can be used to drive the cargo box by connecting the movable seat with the bottom corner piece of the cargo box. Lifting, thereby realizing the loading and unloading of the container on the transport vehicle, reducing the waiting time for loading and unloading the container, improving the utilization rate of the transport vehicle, and thus improving the efficiency of logistics transportation.

In a preferred embodiment of the present invention, as shown in FIG. 2 , the lifting support 30 can be equipped with a locking pin 60 , and at the same time a first pin hole is provided on the fixed seat 20 , and a first pin hole is provided on the movable seat 40 . Second pin hole. The first pin hole runs through the side wall of the fixed seat 20 in the horizontal direction, and the second pin hole also runs through the side wall of the movable seat 40 in the horizontal direction. The first pin hole and the second pin hole can both be circular holes and The inner diameters of both are processed to be approximately equal. In this way, when the movable seat 40 moves to a certain preset position so that the first pin hole coincides with the second pin hole, the locking pin 60 can pass through the fixed seat 20 and the movable seat 40 simultaneously as shown in FIG. 2 And fixing the two means locking the position of the movable seat 40 relative to the fixed seat 20 at this time. Fig. 2 exemplarily shows that when the movable seat 40 is connected with the bottom corner piece 90 of the container, the locking pin 60 locks the fixed seat 20 and the movable seat 40, and the state shown in Fig. 2 is that the container has been loaded in the transportation on the vehicle. Due to bumps and vibrations in the running process of the transport vehicle, the parts driving the movable seat 40 (such as the piston rod of the oil cylinder) will be displaced, resulting in wear and affecting its service life. After the fixed seat 20 and the movable seat 40 are connected as a whole through the locking pin shaft 60, the displacement phenomenon can be eliminated, and at the same time, safety accidents caused by the rising of the movable seat 40 under the condition of misoperation can be avoided, thereby increasing safety protection.

In addition, in addition to the situation shown in FIG. 2, a plurality of first pin holes can also be set on the fixed base 20, and a plurality of second pin holes can be set on the movable base 40. These two pin holes can be, for example, It is arranged on the side walls of the fixed seat 20 and the movable seat 40 facing the longitudinal direction of the transport vehicle (that is, the direction towards the front and rear of the transport vehicle). In this way, the fixed seat 20 and the movable seat 40 can be locked in multiple positions, thereby being applicable to cargo boxes and transport vehicles of more specifications. This is because different cargo boxes and transport vehicles will have different installation positions when loading. Some cargo boxes will have a larger distance from the ground after being loaded on the transport vehicle, and some cargo boxes will have a smaller distance from the ground.

Further preferably, the first pin hole and the second pin hole can adopt the structure shown in FIG. 3 . Here, the second pin hole 42 provided on the movable seat 40 shown in FIG. 3 is used as an example for illustration. The description of the second pin hole 42 also applies to the not shown first pin hole. As can be seen from Fig. 3, a second groove 421 is provided on the inner wall of the second pin hole 42, and a first groove 421 is provided on the first pin hole, not shown in the figure. The grooves are configured to align when the first pin hole and the second pin hole 42 are aligned. Simultaneously on the pin bar 61 of locking pin 60, be provided with convex nail 65, the distance between this convex nail 65 and the shoulder 63 of locking pin 60 is greater than the sum of the wall thickness of fixed seat 20 and movable seat 40, and structure To be able to pass through the first groove and the second groove 421 . In addition, the outer diameter of the pin rod 61 is smaller than the inner diameters of the first pin shaft hole and the second pin shaft hole 42 , so that the pin rod 61 forms a clearance fit with the two pin shaft holes. In this way, when the locking pin shaft 60 is fully inserted as shown in Figure 2, the convex nail 65 will also pass through the first groove and the second groove, and then the convex nail 65 and the two grooves will be staggered by rotating the pin rod 61. , so the protruding nail 65 can prevent the locking pin 60 from detaching from the first pin hole and the second pin hole due to vibration or the like. Fig. 3 just shows the setting position of a second groove 421 in the second pin shaft hole 42 by way of example, of course, the second groove 421 can also be set at other positions in the second pin shaft hole 42, as long as Being able to pass the protruding nail 65 can prevent the locking pin 60 from detaching from the first pin hole and the second pin hole. But try not to set it at a position between 4 o'clock and 8 o'clock on the clock, because the probability of the locking pin shaft 60 breaking away in this section is relatively greater.

The sliding of the movable seat 40 in the vertical direction relative to the fixed seat 20, preferably, as shown in FIG. 2 , can be realized by installing an oil cylinder 80 on the bottom plate 23 of the fixed seat 20, and the bottom plate 23 can use a flange at this time. Specifically, pin lugs 481 (see FIG. 3 ) can be set on the lower surface of the lower end plate 48 connected to the bottom of the movable seat 40, and the piston rod 81 and the pin lugs 481 of the oil supply cylinder 80 are processed on the bottom plate 23 of the fixed seat 20. Through the piston rod through hole 231, the piston rod 81 is connected with the pin lug 481 through the piston rod through hole 231, and then the oil cylinder 80 is connected to the base plate 23, so as to drive the movable seat 40 in the fixed seat 20. Swipe vertically.

If the oil cylinder is used to drive the movable seat 40 to slide based on the above-mentioned embodiment with the locking pin 60, then after the fixed seat 20 and the movable seat 40 are connected using the locking pin 60, it can also reduce the impact of the oil cylinder on the transport vehicle. axial load.

In another preferred embodiment of the present invention, as shown in FIG. 3 , the movable seat 40 includes a seat body 41 , an upper end plate 43 , a positioning block 45 and a through hole 47 for installing a twist lock. Wherein, the upper end plate 43 is connected to the top end of the seat body 41 , and the positioning block 45 is connected to the upper surface of the upper end plate 43 by welding, for example. Or also can offer through hole 431 on the upper end plate 43 as shown in Figure 3, simultaneously positioning block 45 comprises insertion block 451 and the connection cylinder 453 that is connected on the lower surface of insertion block 451, connects cylinder 453 and inserts in the through hole 431 earlier, Then the insert block 451 is welded to the upper end plate 43 . The effect of positioning block 45 is to extend in the bottom hole of bottom corner fitting 90 when movable seat 40 is connected with bottom corner fitting 90 of container as shown in Figure 2, bear the horizontal load that container applies during transportation, prevents from producing large displacement. The twist lock installation through hole 47 runs through the upper end plate 43 and the positioning block 45 , and for the positioning block 45 with a connecting cylinder 453 , the twist lock installing through hole 47 also needs to penetrate the connecting cylinder 453 . As can be seen from FIG. 2 , preferably, the turn lock 49 may include a journal 491 , a lock head 493 and a handle 495 . Wherein, the axle journal 491 is rotatably arranged in the turn lock installation through hole 47, and the top end of the axle journal 491 stretches out from the positioning block 45 (for the positioning block 45 with the insertion block 451, the top end of the axle journal 491 extends from the insertion block 451 Stretch out), the bottom end of journal 491 stretches out from the lower surface of upper end plate 43. The lock head 493 is connected to the top of the journal 491 , and the handle 495 is connected to the bottom of the shaft diameter 491 . The locking head 493 needs to be configured to match the shape of the bottom hole of the bottom corner piece 90 so as to be able to extend into the bottom corner piece 90 through the bottom hole. When loading the cargo box, after the movable seat 40 is connected with the bottom corner piece 90, the shaft journal 491 and the lock head 493 are driven to rotate together (for example, rotated 90°) by turning the handle 495, so that the lock head 493 connects the movable seat 40 with the lock head 493. The bottom corner piece 90 is locked. When unloading the container, first turn the handle 495 in the opposite direction (for example, rotate 90° in the opposite direction), so that the lock head 493 is aligned with the bottom hole of the bottom corner piece 90, and then the movable seat 40 can be driven down to break away from the bottom corner piece 90 . In order to install the twist lock 49 , a first notch 44 can be provided on the seat body 41 of the movable seat 40 as shown in FIG. 3 . In order to avoid rotation of the handle 495 , a second notch 46 communicating with the first notch 44 may be provided on the seat body 41 . For example, the first notch 44 may be provided on the side wall of the seat body 41 facing the frame main beam 50 , and the second notch 46 may be provided on the side wall perpendicular to the side wall provided with the first notch 44 . In addition, the above-mentioned lower end plate 48 provided with pin lugs 481 is also applicable to this embodiment.

In yet another preferred embodiment of the present invention, a top corner piece can be installed on the top of the movable seat 40, and the top corner piece can be made according to the specifications of the top corner piece of the container so as to match the bottom corner piece of the container. When the movable seat 40 was connected with the bottom corner fitting 90 as shown in Figure 2, after the top corner fitting 90 at the top of the movable seat 40 contacted with the bottom corner fitting 90 of the container, a corner fitting lock (for example known to those skilled in the art) can be used. Double turn lock) the two are connected, thereby realizing the connection of the bottom corner piece 90 of movable seat 40 and cargo box.

The present invention also discloses a transport vehicle, which is suitable for the transport mode of exchangeable car body boxes, including the frame main beam 50 shown in Fig. 1 and a detachable cargo box not shown in the figure. The main beams 50 of the vehicle frame are located on both sides of the vehicle frame, and the middle is connected by a connecting beam 70 . The outer sides of the vehicle frame main beam 50 on both sides of the vehicle frame are provided with the above-mentioned cargo box lifting device for the exchangeable car body box, wherein the installation beam 10 of the cargo box lifting device is connected to the outside of the vehicle frame main beam 50, The position of the lifting support 30 of the cargo box lifting device corresponds to the position of each bottom corner of the cargo box, that is, the bottom of each bottom corner of the cargo box will be connected with a lifting support 30 to smoothly align the cargo. The box is lifted and lowered.

The present invention has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of illustration and description, and are not intended to limit the present invention to the scope of the described embodiments. In addition, those skilled in the art can understand that the present invention is not limited to the above-mentioned embodiments, and more variations and modifications can be made according to the teachings of the present invention, and these variations and modifications all fall within the claimed scope of the present invention. within the range.

Claims (6)

1. A cargo box lifting device for an exchangeable car body box, characterized in that it comprises: Installing a crossbeam, one end of the installation crossbeam is used to connect with the main beam of the vehicle frame of the transport vehicle; Lifting support, the lifting support includes a fixed seat and a movable seat, wherein the fixed seat is connected to the other end of the installation beam, and the movable seat is slidably arranged in the fixed seat along the vertical direction , the movable seat is used to connect with the bottom corner of the cargo box to drive the cargo box to rise or fall; a turn lock, the turn lock is rotatably arranged on the top of the movable seat, so as to realize the locking and unlocking of the movable seat and the bottom corner piece, Wherein, the movable seat includes: body; an upper end plate, the upper end plate is connected to the top of the seat body; a positioning block, the positioning block is connected to the upper surface of the upper end plate, and the positioning block is used to extend into the bottom hole of the bottom corner piece; and A turn lock installation through hole, the turn lock installation through hole runs through the upper end plate and the positioning block. 2. The container lifting device according to claim 1, wherein a top corner piece is provided on the top of the movable seat, so as to connect the movable seat with the bottom corner piece through a corner piece lock. 3. The container lifting device according to claim 1, further comprising a locking pin shaft, a first pin shaft hole is arranged on the fixed base, and the first pin shaft hole runs through the horizontal direction The side wall of the fixed seat is provided with a second pin hole on the movable seat, and the second pin hole runs through the side wall of the movable seat in the horizontal direction, and the first pin hole is connected with the movable seat. The inner diameters of the second pin holes are substantially equal, and the locking pin is used to be inserted into the first pin hole and the second pin hole when the first pin hole is aligned with the second pin hole. The pin hole is used to lock the position of the movable seat relative to the fixed seat. 4. The container lifting device according to claim 3, wherein a first groove is provided on the inner wall of the first pin hole, and a second groove is provided on the inner wall of the second pin hole. groove, the first groove and the second groove are configured to be aligned when the first pin hole is aligned with the second pin hole, and a convex nail is provided on the locking pin, The locking pin is configured to be rotatable in the first pin hole and the second pin hole, and the stud is configured to pass through the first groove and the second groove. grooves to prevent the locking pin from disengaging from the first pin hole and the second pin hole. 5. The container lifting device according to claim 1, wherein a piston rod through hole is arranged on the bottom plate of the fixed base, an oil cylinder is connected on the bottom plate, and the piston rod of the oil cylinder passes through The through hole of the piston rod is connected with the movable seat to drive the movable seat to slide vertically in the fixed seat. 6. A transportation vehicle, comprising a frame main beam and a detachable cargo box, characterized in that, the outer side of the vehicle frame main beam is provided with an exchangeable container according to any one of claims 1 to 5. The cargo box lifting device for the vehicle body box, the installation crossbeam of the cargo box lifting device for the exchangeable vehicle body box is connected to the outer side of the main beam of the vehicle frame, and the cargo box for the exchangeable vehicle body box The positions of the lifting supports of the box lifting device are respectively corresponding to the positions of each of the bottom corner pieces of the cargo box.