CN119659725A - Wheel folding and unfolding mechanism applied to power-assisted tractor and application method - Google Patents
Wheel folding and unfolding mechanism applied to power-assisted tractor and application method Download PDFInfo
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- CN119659725A CN119659725A CN202411857305.4A CN202411857305A CN119659725A CN 119659725 A CN119659725 A CN 119659725A CN 202411857305 A CN202411857305 A CN 202411857305A CN 119659725 A CN119659725 A CN 119659725A
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Abstract
本发明公开了一种应用于助力牵引车的车轮折叠收放机构及使用方法，包括底盘壳体；上部承载，所述上部承载与底盘壳体相连；折叠装置，所述折叠装置设置在底盘壳体上；车轮，所述车轮与折叠装置相连。具有将原有的焊接形式升级为可折叠的机构，实现助力牵引车的快速折叠收纳，减小整机收纳尺寸，便于单人操作。当电机伸长时，齿轮齿条作用将车辆收紧，电机收缩时，车轮打开，自动实现助力牵引车的折叠收纳。并通过齿轮齿条将电动缸的直线运动转化为折叠收纳的转动，无需人力操作，只需一键折叠。不仅具有上半车的折叠收纳同时还具有车轮的折叠功能，进一步缩小了整体的收纳尺寸，便于携带与安装，提高了机构的实用性与便携性性的优点。
The present invention discloses a wheel folding and retracting mechanism for a power-assisted tractor and a method of using the wheel folding and retracting mechanism, which includes a chassis shell; an upper load-bearing portion connected to the chassis shell; a folding device, which is arranged on the chassis shell; and a wheel, which is connected to the folding device. The mechanism has the function of upgrading the original welding form to a foldable mechanism, so as to realize the rapid folding and storage of the power-assisted tractor, reduce the storage size of the whole machine, and facilitate single-person operation. When the motor is extended, the gear rack acts to tighten the vehicle, and when the motor contracts, the wheel opens, and the folding and storage of the power-assisted tractor is automatically realized. The linear motion of the electric cylinder is converted into the rotation of folding and storage through the gear rack, and no manual operation is required, and only one-button folding is required. It not only has the folding and storage function of the upper half of the vehicle, but also has the folding function of the wheel, which further reduces the overall storage size, is easy to carry and install, and improves the practicality and portability of the mechanism.
Description
Technical Field
The invention relates to the technical field of mechanical manufacturing and wheel folding and unfolding mechanisms, in particular to a wheel folding and unfolding mechanism applied to a power-assisted tractor and a using method.
Background
At present, aiming at operators in the fields related to fire fighting and earthquake rescue, a large amount of heavy work equipment can be carried when rescue work is carried out. At present, a main transportation mode adopts manpower or a power-assisted tractor to carry and work, but when encountering sudden conditions and rough roads inconvenient to walk, a plurality of operators are required to carry the whole equipment, so that not only is the movement blocked, but also the physical strength of rescue workers is greatly consumed, and the portability of the power-assisted tractor equipment is very important.
At present, the power-assisted tractors on the market are all integral parts, particularly wheels are connected with a main body, the storage volume is large in the transportation process, convenient transportation is difficult to realize, the volume of a box body for storage is increased along with the storage volume, a plurality of people are required to move out of the transport vehicle in use, and the operation is relatively inconvenient.
In the prior art, wheels of the existing tractor are integrally connected with a vehicle body and welded together, so that the integral equipment is large in size and poor in portability and transportability. Other related patents at home and abroad relate to an emergency rescue vehicle (patent number: CN 202111210060.2), and the invention discloses an emergency rescue vehicle. An electric tractor with accompanying guarantee (patent number: CN 202011332581.0) is disclosed by the invention, and the electric tractor with accompanying guarantee utilizes a connecting module at the upper end and a bearing module at the lower end to rotate so that a mechanism is retracted and released, and the whole operation process is complex.
In summary, at least one of the following technical problems exists:
The wheels are connected with the main body, so that the storage volume is large in the transportation process, convenient transportation is difficult to realize, the volume of the box body for storage is increased, a plurality of people are required to carry out from the transportation vehicle in use, and the operation is inconvenient.
The connecting module at the upper end and the bearing module at the lower end rotate to enable the mechanism to be folded and unfolded, and the whole operation process is complex.
Disclosure of Invention
The invention mainly aims to provide a wheel folding and unfolding mechanism applied to a power-assisted tractor and a using method thereof, so as to solve the problems that wheels are connected with a main body in the prior art, the storage volume is large in the transportation process, convenient transportation is difficult to realize, the volume of a box body for storage is increased along with the storage volume, a plurality of people are required to be moved out of the transportation vehicle in use, and the operation is inconvenient. The connecting module at the upper end and the bearing module at the lower end are rotated to enable the mechanism to be folded and unfolded, and the whole operation process is complex.
In order to achieve the above object, according to one aspect of the present invention, there is provided a wheel folding and unfolding mechanism applied to a power-assisted traction vehicle, comprising:
a chassis housing;
an upper bearing connected to the chassis housing;
the folding device is arranged on the chassis shell;
and the wheels are connected with the folding device.
Preferably, the folding device includes:
A linear motor;
the rack seat is connected with the linear motor;
The gear shaft is provided with a gear, and the gear is matched with the rack seat;
The switching shaft is hinged with the gear shaft;
the wheel rocker arm is arranged on the adapter shaft in a penetrating way.
Preferably, the gear shaft is connected with the switching shaft through a switching block.
Preferably, the linear motor comprises an inner tube and an outer tube, and the outer tube is sleeved on the inner tube.
Preferably, wheels are arranged at two ends of the wheel rocker arm.
Preferably, the outer tube is fixed in a fixed seat on the chassis shell.
Preferably, the inner tube of the linear motor is connected with a rack seat, and the rack seat moves in a groove at the bottom of the chassis shell.
Preferably, the rack at the bottom of the gear seat drives the gear shaft to rotate, and the gear shaft transmits the rotation to the switching shaft through the switching block.
Preferably, the adapter shaft is fixed in a fixed seat at the bottom of the chassis shell, and the adapter shaft drives the wheel rocker arm to swing.
According to another aspect of the present invention there is provided a method of using a wheel folding and retracting mechanism for a power assisted traction vehicle, comprising:
the chassis is in an unfolding state in the unfolded use state, the linear motor acts, the inner tube is pulled back to drive the rack seat to rotate clockwise, the adapter block drives the adapter shaft to rotate clockwise, and the wheel rocker arm is swung to a horizontal position;
The chassis is in a folded state, the linear motor acts to push out the inner tube to drive the rack seat to rotate anticlockwise, the adapter block drives the adapter shaft to rotate anticlockwise, the wheel rocker arm is swung to a folded position, and two wheels are close.
The technical scheme of the invention has the following technical effects:
the wheel folding mechanism for the power-assisted tractor disclosed by the invention has the advantages that the original welding mode is upgraded into a foldable mechanism, the power-assisted tractor is quickly folded and stored, the storage size of the whole power-assisted tractor is reduced, and the power-assisted tractor is convenient for a single person to operate.
The invention adopts the gear-rack mechanism, when the motor extends, the gear-rack function tightens the vehicle, and when the motor contracts, the wheels are unfolded, so that the folding and storage of the power-assisted tractor are automatically realized.
The invention adopts the electric cylinder to carry out power driving, and converts the linear motion of the electric cylinder into the rotation of folding and storing through the gear rack, so that the manual operation is not needed, and only one-key folding is needed.
The folding and unfolding mechanism of the wheel is adopted for design, so that the folding and unfolding mechanism not only has the folding and unfolding functions of the wheel, but also further reduces the overall storage size, and is convenient to carry and install.
The invention can fold and store the wheels of the tractor in the transportation or storage process, reduces the integral structure and storage size, is convenient to carry and transport, and improves the practicability and portability of the mechanism.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
fig. 1 shows a schematic view of a wheel folding and unfolding mechanism applied to a power assisted traction vehicle according to the present invention;
FIG. 2 shows a folding mechanism view of the wheel folding and unfolding mechanism of FIG. 1 applied to a power assisted traction vehicle;
FIG. 3 shows a view of the linear motor of FIG. 1 applied to a wheel fold retraction mechanism of a power assisted vehicle;
FIG. 4 shows a bottom view of a chassis for the wheel fold retraction mechanism of the power assisted vehicle of FIG. 1;
FIG. 5 shows an expanded view of the wheel folding and unfolding mechanism of FIG. 1 applied to a power assisted traction vehicle;
Fig. 6 is a view showing a folded state of the wheel folding and unfolding mechanism applied to the power assisted traction vehicle in fig. 1.
Wherein the above figures include the following reference numerals:
The upper bearing 1, the chassis shell 2, the folding device 3, the linear motor 31, the outer tube 311, the inner tube 312, the rack seat 32, the gear shaft 33, the adapter 34, the adapter shaft 35, the wheel rocker arm 36 and the wheels 4.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 6, an embodiment of the present invention provides a wheel 4 folding and unfolding mechanism applied to a power-assisted traction vehicle, which comprises a chassis housing 2, an upper bearing 1, a folding device 3, and a wheel 4, wherein the upper bearing 1 is connected with the chassis housing 2, the folding device 3 is arranged on the chassis housing 2, and the wheel 4 is connected with the folding device 3.
In this embodiment, the folding device 3 includes a linear motor 31, a rack seat 32, a gear shaft 33, a transfer shaft 35, a wheel 4 rocker arm 36, and a wheel 4 rocker arm 36 penetrating the transfer shaft 35, wherein the rack seat 32 is connected with the linear motor 31, the gear shaft 33 is provided with a gear, the gear is matched with the rack seat 32, the transfer shaft 35 is hinged with the gear shaft 33. The gear shaft 33 is connected with the adapter shaft 35 through the adapter block 34. The linear motor 31 comprises an inner tube 312 and an outer tube 311, and the outer tube 311 is sleeved on the inner tube 312. Wheels 4 are arranged at two ends of the rocker arm 36 of the wheels 4. The outer tube 311 is fixed in a fixed seat on the chassis housing 2. The inner tube 312 of the linear motor 31 is connected to the rack mount 32, and the rack mount 32 moves in a groove in the bottom of the chassis housing 2. The rack at the bottom of the gear seat drives the gear shaft 33 to rotate, and the gear shaft 33 transmits the rotation to the adapter shaft 35 through the adapter block 34. The adapter shaft 35 is fixed in a fixed seat at the bottom of the chassis shell 2, and the adapter shaft 35 drives the rocker arm 36 of the wheel 4 to swing.
Specifically, to the tractor has inconvenient, accomodate the great problem of size, has proposed to utilize the folding mode of wheel 4 to make the tractor can realize the accomodating of wheel 4, when having reduced the accomodating size, has also had great promotion in the simple operation nature. The purpose is to change the storage form of the existing tractor wheels 4 for the storage volume of the product is further reduced, and the product is made portable so as to be convenient for installation and transportation. The invention provides a wheel 4 folding mechanism applied to a power-assisted tractor and a use method, wherein the device changes the chassis mechanism of the existing tractor and is integrally divided into four parts of an upper bearing 1, a chassis shell 2, a folding device 3 and wheels 4, wherein the folding device 3 in the invention mainly comprises a linear motor 31, a rack seat 32, a gear shaft 33, a switching block 34, a switching shaft 35 and a rocker arm 36 of the wheels 4. The outer tube 311 of the linear motor 31 needs to be fixed in a fixed seat on the chassis housing 2, the inner tube 312 of the linear motor 31 is connected with the rack seat 32, the rack seat 32 can move in a groove at the bottom of the chassis housing 2, the rack at the bottom of the rack seat 32 drives the gear shaft 33 to rotate, the rotation is transmitted to the transfer shaft 35 through the transfer block 34, and the other end of the transfer shaft 35 is fixed in the fixed seat at the bottom of the chassis housing 2. The switching shaft 35 drives the rocker arm 36 of the wheel 4 to swing, and finally the function of accommodating the wheel 4 is realized. The device of the invention has two states in the working process. The first state is a deployed use state, with the chassis in a deployed state. The linear motor 31 acts to pull back the inner tube 312 to drive the rack seat 32 to rotate clockwise, and the transfer block 34 drives the transfer shaft 35 to rotate clockwise to swing the rocker arm 36 of the wheel 4 to the horizontal position. Such a condition is shown in figure one. The second state is a folded storage state, and the chassis is in a folded state. The linear motor 31 acts to push out the inner tube 312 to drive the rack seat 32 to rotate anticlockwise, and the adapter block 34 drives the adapter shaft 35 to rotate anticlockwise to swing the rocker arm 36 of the wheel 4 to the folded position, so that the two wheels 4 are close. Such a condition is shown in figure one.
In another embodiment of the present invention, a method for using a wheel 4 folding and unfolding mechanism applied to a power-assisted tractor is provided, including:
In the unfolded use state, the chassis is in the unfolded state, the linear motor 31 acts, the inner tube 312 is pulled back, the rack seat 32 is driven to rotate clockwise, the adapter block 34 drives the adapter shaft 35 to rotate clockwise, and the rocker arm 36 of the wheel 4 is swung to the horizontal position;
The chassis is in a folded state in the folded storage state, the linear motor 31 acts to push out the inner tube 312 to drive the rack seat 32 to rotate anticlockwise, the adapter block 34 drives the adapter shaft 35 to rotate anticlockwise, the rocker arm 36 of the wheel 4 is swung to a folded position, and two wheels 4 are close.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
The wheel 4 folding mechanism applied to the power-assisted tractor disclosed by the invention has the advantages that the original welding mode is upgraded into a foldable mechanism, the power-assisted tractor is quickly folded and stored, the storage size of the whole machine is reduced, and the operation by a single person is facilitated.
The invention adopts the gear-rack mechanism, when the motor extends, the vehicle is tightened by the action of the gear-rack, and when the motor contracts, the wheels 4 are unfolded, so that the folding and storage of the power-assisted tractor are automatically realized.
The invention adopts the electric cylinder to carry out power driving, and converts the linear motion of the electric cylinder into the rotation of folding and storing through the gear rack, so that the manual operation is not needed, and only one-key folding is needed.
The design adopts the wheel 4 folding and unfolding mechanism to design, not only has the folding and folding functions of the wheel 4 at the same time of folding and unfolding of the upper half vehicle, but also further reduces the whole storage size, and is convenient to carry and install.
The invention can fold and store the wheels 4 of the tractor in the transportation or storage process, reduces the integral structure and storage size, is convenient to carry and transport, and improves the practicability and portability of the mechanism.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411857305.4A CN119659725A (en) | 2024-12-17 | 2024-12-17 | Wheel folding and unfolding mechanism applied to power-assisted tractor and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411857305.4A CN119659725A (en) | 2024-12-17 | 2024-12-17 | Wheel folding and unfolding mechanism applied to power-assisted tractor and application method |
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| Publication Number | Publication Date |
|---|---|
| CN119659725A true CN119659725A (en) | 2025-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411857305.4A Pending CN119659725A (en) | 2024-12-17 | 2024-12-17 | Wheel folding and unfolding mechanism applied to power-assisted tractor and application method |
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| CN (1) | CN119659725A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070096435A1 (en) * | 2005-10-19 | 2007-05-03 | 100 Watt Limited | Collapsible pushchair |
| WO2008119547A1 (en) * | 2007-04-02 | 2008-10-09 | Viktor Lang | Stroller comprising a collapsible frame |
| WO2010028235A1 (en) * | 2008-09-05 | 2010-03-11 | Thorley Industries , Llc | Collapsible stroller |
| CN106029487A (en) * | 2014-05-21 | 2016-10-12 | 宝马股份公司 | Single-track scooter |
| US20210347401A1 (en) * | 2018-09-18 | 2021-11-11 | Jijibaba Limited | A foldable push chair |
| CN117505594A (en) * | 2023-11-21 | 2024-02-06 | 浙江恒成硬质合金有限公司 | Device and method for repairing ovality of thin-wall ring |
| CN118579133A (en) * | 2024-08-02 | 2024-09-03 | 杭州洪武汽车零部件有限公司 | Automobile steering intermediate shaft and production process |
-
2024
- 2024-12-17 CN CN202411857305.4A patent/CN119659725A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070096435A1 (en) * | 2005-10-19 | 2007-05-03 | 100 Watt Limited | Collapsible pushchair |
| WO2008119547A1 (en) * | 2007-04-02 | 2008-10-09 | Viktor Lang | Stroller comprising a collapsible frame |
| WO2010028235A1 (en) * | 2008-09-05 | 2010-03-11 | Thorley Industries , Llc | Collapsible stroller |
| CN106029487A (en) * | 2014-05-21 | 2016-10-12 | 宝马股份公司 | Single-track scooter |
| US20210347401A1 (en) * | 2018-09-18 | 2021-11-11 | Jijibaba Limited | A foldable push chair |
| CN117505594A (en) * | 2023-11-21 | 2024-02-06 | 浙江恒成硬质合金有限公司 | Device and method for repairing ovality of thin-wall ring |
| CN118579133A (en) * | 2024-08-02 | 2024-09-03 | 杭州洪武汽车零部件有限公司 | Automobile steering intermediate shaft and production process |
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