Forklift supporting leg structure

Abstract

The utility model relates to the technical field of forklift landing legs, and particularly discloses a forklift landing leg structure which comprises a landing leg body and a supporting wheel set installed at the bottom of the landing leg body, the supporting wheel set comprises a driving wheel and a steering driving unit, and the driving wheel is rotatably arranged at the bottom of the front end of the landing leg body. The steering driving unit is located in the supporting leg body and can be used for driving the driving wheels to steer, the driving wheels can rotate in the vertical direction and the horizontal direction, the rotation driving unit can drive the driving wheels to rotate in the horizontal direction and drive the whole forklift to steer, and the steering driving unit is arranged in the supporting leg body. In order to facilitate maintenance of the steering driving unit, a maintenance window corresponding to the steering driving unit is arranged on the supporting leg body, a baffle is arranged on the maintenance window, the maintenance window can be opened or closed through the baffle, and the rotation driving unit can be conveniently adjusted and maintained through the maintenance window.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift legs, in particular to a forklift leg structure. Background Art

[0002] The forklift leg is an important part of the forklift, which is usually used to provide rolling support for the forklift, that is, a support wheel is provided at the front end of the forklift leg, and the support wheel is generally a driving wheel. In order to achieve the steering of the forklift, a steering motor needs to be provided on one side of the driving wheel, and the driving wheel is driven by the steering motor to steer. In order to protect the steering motor, the steering motor is usually provided in a closed cavity of the forklift leg, and the outer shell of the forklift leg is used for protection. However, due to the existence of the outer shell, when the steering motor is damaged, it is necessary to remove the entire outer shell of the forklift leg, which is not conducive to maintenance and the wiring is also more troublesome. Summary of the invention

[0003] The utility model is made in consideration of the above-mentioned problems. The utility model aims to provide a forklift leg structure, which is convenient for maintenance of electrical components such as a steering motor and has relatively simple wiring.

[0004] To achieve the above-mentioned purpose, the utility model provides a forklift leg structure, comprising a leg body and a supporting wheel group installed at the bottom of the leg body, the supporting wheel group comprising a driving wheel and a steering driving unit, the driving wheel is rotatably arranged at the bottom of the front end of the leg body, the steering driving unit is located in the leg body, and can be used to drive the driving wheel to steer;

[0005] The support leg body is provided with a maintenance window corresponding to the steering drive unit, and the maintenance window is provided with a baffle, which is detachably, rotatably or foldably mounted on the maintenance window.

[0006] According to the forklift leg structure described above, the leg body includes a mounting portion and a connecting portion, the mounting portion is installed at the front end of the connecting portion, and the mounting portion includes a mounting top plate, the height of the mounting top plate is higher than the height of the connecting portion, and the supporting wheel group is installed at the bottom of the mounting top plate.

[0007] According to the forklift leg structure described above, the mounting portion further comprises a first protective plate located inside the mounting top plate and a second protective plate located outside the mounting top plate, and the first protective plate, the second protective plate and the mounting top plate together form a protective area;

[0008] The driving wheel is rotatably mounted on the bottom of the mounting top plate, the steering drive unit is configured as a steering motor, and the steering motor is fixed to the bottom of the mounting top plate and is located within the protection area.

[0009] According to the forklift leg structure described above, the maintenance window is located on the second protective plate, and the baffle is detachably mounted on the maintenance window by means of screws.

[0010] According to the forklift leg structure described above, a wiring hole is provided in the connecting portion, and the wires of the driving wheel and the steering motor are arranged in the wiring hole.

[0011] According to the forklift leg structure described above, a wheel seat is provided on the top of the driving wheel, a bearing is provided at the bottom of the mounting top plate, the wheel seat is connected to the bearing through a rotating shaft, a first gear is provided on the output shaft of the steering motor, a second gear is provided on the rotating shaft, a first transmission gear and a second transmission gear are provided between the first gear and the second gear, the first transmission gear is coaxial with the second transmission gear, the first gear is meshed with the first transmission gear, and the second transmission gear is meshed with the second gear.

[0012] According to the forklift leg structure described above, the forklift also includes a body, two leg bodies are symmetrically arranged on both sides of the body, and the supporting wheel set is provided at the bottom of the front end of each leg body.

[0013] The utility model has the following beneficial effects:

[0014] 1. A maintenance window corresponding to the rotating drive unit is provided on the main body of the leg, and a detachable baffle is provided on the maintenance window, so that the baffle can seal the maintenance window, and when the rotating drive unit needs to be maintained, the baffle can be removed for easy maintenance;

[0015] 2. A wiring hole is provided in the main body of the outrigger, through which the wires of the steering motor and the driving wheel can be arranged, which can not only protect the wires but also improve the aesthetic performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the embodiment;

[0017] Figure 2 It is a rear view of the overall structure of the embodiment;

[0018] Figure 3 It is a schematic diagram of the assembly structure of the driving wheel and the steering motor of the embodiment.

[0019] In the figure:

[0020] 1. Leg body; 11. Maintenance window; 12. Baffle; 13. Mounting part; 131. Mounting top plate; 131a. Bearing; 132. First protective plate; 133. Second protective plate; 14. Connecting part; 141. Wiring hole;

[0021] 2. Support wheel assembly; 21. Drive wheel; 211. Wheel seat; 211a. Second gear; 22. Steering motor; 221. First gear; 23. First transmission gear; 24. Second transmission gear. DETAILED DESCRIPTION

[0022] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0023] like Figure 1-3 As shown, a forklift leg structure includes a leg body 1 and a supporting wheel set 2. The supporting wheel set 2 is installed at the bottom of the front end of the leg body 1 to provide rolling support for the leg body 1.

[0024] Specifically, the supporting wheel group 2 includes a driving wheel 21 and a steering drive unit. The driving wheel 21 is rotatably arranged at the bottom of the front end of the leg body 1. The steering drive unit is located in the leg body 1 and can be used to drive the driving wheel 21 to steer, wherein the driving wheel 21 can rotate in the vertical and horizontal directions. The rotation of the driving wheel 21 in the vertical direction can drive the leg body 1 to move forward and backward together. The rotation drive unit can drive the driving wheel 21 to rotate in the horizontal direction, thereby realizing the steering of the driving wheel 21 and driving the forklift to steer as a whole. The steering drive unit is arranged in the leg body 1, which can better play a protective role. In order to facilitate the maintenance of the steering drive unit, a maintenance window 11 corresponding to the steering drive unit is provided on the leg body 1, and a baffle 12 is provided on the maintenance window 11. The maintenance window 11 can be opened or closed by the baffle 12, so that the rotation drive unit can be adjusted and maintained through the maintenance window 11.

[0025] In this embodiment, the baffle 12 is detachably mounted on the maintenance window 11 by screws. When maintenance is required, the screws can be removed and the baffle 12 can be removed. Of course, the baffle 12 can also be rotatably mounted on the maintenance window 11. When maintenance is required, the baffle 12 can be rotated to open the maintenance window 11. Of course, the baffle 12 can also be foldably mounted on the maintenance window 11, and the maintenance window 11 can be opened by folding.

[0026] Specifically, the leg body 1 includes a mounting portion 13 and a connecting portion 14, the mounting portion 13 is mounted at the front end of the connecting portion 14, and the mounting portion 13 includes a mounting top plate 131, the height of the mounting top plate 131 is higher than the height of the connecting portion 14, and the supporting wheel group 2 is mounted at the bottom of the mounting top plate 131, that is, the height of the connecting portion 14 is lowered, and the connecting portion 14 is used to install the forklift body, which can lower the center of gravity of the forklift body as a whole, making it run more smoothly.

[0027] In order to protect the steering drive unit, the mounting portion 13 also includes a first protective plate 132 located on the inner side of the mounting top plate 131 and a second protective plate 133 located on the outer side of the mounting top plate 131. The first protective plate 132, the second protective plate 133 and the mounting top plate 131 together form a protection area. The driving wheel 21 is rotatably mounted on the bottom of the mounting top plate 131. The steering drive unit is configured as a steering motor 22, which is fixed to the bottom of the mounting top plate 131 and is located in the protection area. The maintenance window 11 is located on the second protective plate 133.

[0028] In order to facilitate the laying of the wires of the driving wheel 21 and the steering motor 22, a wiring hole 141 is provided in the connecting portion 14. The wires of the driving wheel 21 and the steering motor 22 are arranged in the wiring hole 141. The connecting portion 14 protects the wires in the wiring hole 141 and also shields the wires, thereby improving their aesthetics.

[0029] In order to realize the driving of the driving wheel 21 by the steering motor 22, a wheel seat 211 is provided on the top of the driving wheel 21, and a bearing 131a is provided at the bottom of the mounting top plate 131. The wheel seat 211 is connected to the bearing 131a through a rotating shaft. A first gear 221 is provided on the output shaft of the steering motor 22, and a second gear 211a is provided on the rotating shaft. A first transmission gear 23 and a second transmission gear 24 are provided between the first gear 221 and the second gear 211a. The first transmission gear 23 is coaxial with the second transmission gear 24, the first gear 221 is meshed with the first transmission gear 23, and the second transmission gear 24 is meshed with the second gear 211a. The steering motor 22 drives the first gear 221 to rotate, the first gear 221 drives the first transmission gear 23 to rotate, the first transmission gear 23 drives the coaxial second transmission gear 24 to rotate, and the second transmission gear 24 drives the second gear 211a to rotate, thereby driving the driving wheel 21 to perform horizontal steering.

[0030] Specifically, the forklift also includes a body, two outrigger bodies 1 are symmetrically arranged on both sides of the body, and a supporting wheel group 2 is provided at the bottom of the front end of each outrigger body 1, and the two outrigger structures provide rolling support for both sides of the body at the same time.

[0031] The technical solution of the utility model is described in detail above in conjunction with the accompanying drawings, and the described embodiments are used to help understand the idea of ​​the utility model. The specific embodiments described herein are merely examples of the spirit of the utility model. A person skilled in the art of the utility model may make various modifications or supplements to the described specific embodiments or replace them in a similar manner, but this will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, in the present invention, the descriptions of "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A forklift leg structure, characterized in that: It comprises a leg body and a supporting wheel group installed at the bottom of the leg body, the supporting wheel group comprises a driving wheel and a steering driving unit, the driving wheel is rotatably arranged at the bottom of the front end of the leg body, the steering driving unit is located in the leg body and can be used to drive the driving wheel to steer; The support leg body is provided with a maintenance window corresponding to the steering drive unit, and the maintenance window is provided with a baffle, which is detachably, rotatably or foldably mounted on the maintenance window.

2. A forklift leg structure according to claim 1, characterized in that: The leg body includes a mounting portion and a connecting portion, wherein the mounting portion is mounted at the front end of the connecting portion, and the mounting portion includes a mounting top plate, the height of the mounting top plate is higher than the height of the connecting portion, and the supporting wheel assembly is mounted at the bottom of the mounting top plate.

3. A forklift leg structure according to claim 2, characterized in that: The mounting portion further comprises a first protective plate located on the inner side of the mounting top plate and a second protective plate located on the outer side of the mounting top plate, wherein the first protective plate, the second protective plate and the mounting top plate together form a protective area; The driving wheel is rotatably mounted on the bottom of the mounting top plate, the steering drive unit is configured as a steering motor, and the steering motor is fixed to the bottom of the mounting top plate and is located within the protection area.

4. A forklift leg structure according to claim 3, characterized in that: The maintenance window is located on the second protective plate, and the baffle is detachably mounted on the maintenance window by screws.

5. The forklift leg structure according to claim 3, characterized in that: A wiring hole is provided in the connecting portion, and the wires of the driving wheel and the steering motor are arranged in the wiring hole.

6. A forklift leg structure according to claim 3, characterized in that: A wheel seat is provided on the top of the driving wheel, a bearing is provided at the bottom of the mounting top plate, the wheel seat is connected to the bearing through a rotating shaft, a first gear is provided on the output shaft of the steering motor, a second gear is provided on the rotating shaft, a first transmission gear and a second transmission gear are provided between the first gear and the second gear, the first transmission gear is coaxial with the second transmission gear, the first gear is meshed with the first transmission gear, and the second transmission gear is meshed with the second gear.

7. The forklift leg structure according to claim 1, characterized in that: The forklift also includes a body, the two leg bodies are symmetrically arranged on both sides of the body, and the supporting wheel set is provided at the bottom of the front end of each leg body.

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