Hydraulic lifting supporting leg of industrial vehicle

Abstract

The utility model relates to the technical field of hydraulic lifting supporting legs, and discloses an industrial vehicle hydraulic lifting supporting leg which comprises a chassis, a moving mechanism and a buffering mechanism are arranged on the top face of the chassis, and the moving mechanism comprises a power part and a moving part. By arranging the moving mechanism, the hydraulic lifting supporting legs are moved, so that the hydraulic lifting supporting legs are moved according to industrial vehicles of different sizes, and the lifting device is suitable for lifting chassis of different vehicles; a first supporting plate and a first damper are arranged for buffering and supporting the bottom face of a chassis, when a vehicle is placed on the upper portion, a double-shaft motor is started to drive a belt wheel to rotate, the belt wheel drives two double-end threaded rods to rotate, the double-end threaded rods drive first sliding blocks and first supporting boxes to move, and the first sliding blocks and the first supporting boxes are driven to move. The movement according to the vehicle position is facilitated; and by arranging the buffering mechanism, slow movement of the hydraulic lifting supporting legs caused in the moving process of the vehicle above is effectively buffered, and therefore shock absorption is conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic lifting legs, in particular to a hydraulic lifting leg for an industrial vehicle. Background Art

[0002] The hydraulic cylinder lifting legs are located at the bottom or side of the equipment and are used to lift the equipment up and down, so they are widely used in vehicle maintenance.

[0003] China Patent Network discloses a hydraulic lifting leg of a rail grinding vehicle and a rail grinding vehicle, with the publication number: CN221297456U, which includes a mounting device, a supporting device and a grinding device; the mounting device includes a mounting frame, the supporting device includes two horizontal drive cylinders, the two horizontal drive cylinders are mounted on the mounting frame, and the driving directions of the two horizontal drive cylinders are opposite, the output end of the horizontal drive cylinder is provided with a vertical drive cylinder, the vertical drive cylinder is fixedly connected to the output end of the horizontal drive cylinder, and the driving direction of the vertical drive cylinder is vertically downward. The present application has the effect of facilitating the transfer of the rail vehicle to the flat car and improving the transfer rate.

[0004] The solution also has the following problems: the distance between the hydraulic lifting legs cannot be adjusted, so the vehicle chassis cannot be raised quickly during vehicle maintenance, and the hydraulic device needs to be moved back and forth by humans for installation, which is rather cumbersome.

[0005] Therefore, we proposed an industrial vehicle hydraulic lifting outrigger to solve this problem. Utility Model Content

[0006] The utility model aims to provide a hydraulic lifting leg for an industrial vehicle to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an industrial vehicle hydraulic lifting leg, comprising a chassis, the top surface of which is provided with a moving mechanism and a buffer mechanism;

[0008] The moving mechanism comprises a power part and a moving part, wherein the power part is located on the side of the moving part;

[0009] The power unit includes four hydraulic lifting legs, which are respectively located on both sides of the chassis. A plurality of first support columns are fixedly arranged on the bottom surface of the chassis, and a plurality of first grooves are formed through the bottom surfaces of the plurality of first support columns.

[0010] The moving part includes a dual-axis motor, the side of the dual-axis motor is fixedly connected to the side of the chassis, the front end surface of the dual-axis motor output rod is sleeved with a pulley, the number of the pulleys is two, and the front end surface of the dual-axis motor output rod is fixedly connected to the inner wall of the pulley located on the left side.

[0011] Further improvements are as follows: the buffer mechanism includes a plurality of first support boxes, the top surface of the chassis is provided with two first limit grooves, the inner walls of the two first limit grooves are provided with double-headed threaded rods rotatably arranged through the bearing seat, the outer surfaces of the two double-headed threaded rods are threadedly sleeved with a plurality of first sliders, the outer surfaces of the two double-headed threaded rods pass through the inner side of the chassis and extend to the side of the chassis, and the first support box can be better moved by setting the first slider.

[0012] A further improvement is that several first support plates are slidably arranged on the inner walls of several first grooves, several first support plates are fixedly arranged on the top surfaces, several first dampers are fixedly connected to the inner walls of several first grooves, and better buffering is achieved by setting the first dampers.

[0013] A further improvement is that the rear end face of the dual-axis motor output rod is fixedly connected to the front end face of the double-headed threaded rod on the left, the inner wall of the pulley on the right is fixedly connected to the front end face of the double-headed threaded rod on the right, and the four hydraulic lifting legs are driven to move by setting a double-headed threaded rod.

[0014] Further improvements are as follows: the top surfaces of several of the first sliding blocks are respectively fixedly connected to the bottom surfaces of several first support boxes, the sides of the four hydraulic lifting legs are fixedly provided with L-shaped plates, the top surfaces of several of the first support boxes are all provided with second grooves, the outer surfaces of several of the L-shaped plates respectively penetrate the inner walls of several of the second grooves and extend to the inside of several of the second grooves, and better shock absorption is achieved by setting up the L-shaped plates.

[0015] A further improvement is that a plurality of second dampers are fixedly provided on the inner walls of a plurality of the second grooves, and the top surfaces of a plurality of the second dampers are respectively fixedly connected to the bottom surfaces of a plurality of L-shaped plates.

[0016] A further improvement is that two V-shaped articulated rods are arranged on the side of the chassis, and the two V-shaped articulated rods are respectively arranged on both sides of the four hydraulic lifting legs. The two end surfaces of the two V-shaped articulated rods are respectively hinged to the inner sides of the four hydraulic lifting legs. By setting the V-shaped articulated rods, the hydraulic lifting legs are better supported.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the hydraulic lifting legs of industrial vehicles are moved by setting a moving mechanism, so as to be moved according to industrial vehicles of different sizes, and suitable for lifting chassis of different vehicles; the bottom surface of the chassis is buffered and supported by setting a first support plate and a first damper, and when the vehicle is placed on the top, the double-axis motor is started to drive the pulley to rotate, so that the pulley drives the two double-headed threaded rods to rotate, and the double-headed threaded rod drives the first slider and the first support box to move, so as to facilitate movement according to the position of the vehicle;

[0018] By setting a buffer mechanism, the hydraulic lifting legs caused by the movement of the vehicle above can be effectively buffered, thereby reducing shock; by setting a V-shaped articulated rod to move the hydraulic lifting legs on both sides, and by setting a second damper, the collision caused by the up and down movement of the L-shaped plate can be effectively buffered. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a partial front sectional view of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a three-dimensional front view of the structure of the utility model;

[0021] Figure 3 This is a three-dimensional front cross-sectional view of the structure of the utility model;

[0022] Figure 4 It is a three-dimensional side sectional view of the structure of the utility model.

[0023] In the figure: chassis 1, moving mechanism 2, hydraulic lifting legs 201, first support column 202, dual-axis motor 203, pulley 204, buffer mechanism 3, first support box 301, double-headed threaded rod 302, first slider 303, first support plate 304, first damper 305, second damper 306, V-shaped hinge rod 307. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] See also Figure 1-Figure 4, the utility model provides a technical solution: an industrial vehicle hydraulic lifting leg, comprising a chassis 1, a moving mechanism 2 and a buffer mechanism 3 are arranged on the top surface of the chassis 1;

[0027] The moving mechanism 2 includes a power part and a moving part, and the power part is located on the side of the moving part;

[0028] The power unit includes four hydraulic lifting legs 201, which are respectively located on both sides of the chassis 1. A plurality of first support columns 202 are fixedly arranged on the bottom surface of the chassis 1, and a plurality of first grooves are formed through the bottom surfaces of the plurality of first support columns 202.

[0029] The moving part includes a dual-axis motor 203, the side of the dual-axis motor 203 is fixedly connected to the side of the chassis 1, the front end surface of the output rod of the dual-axis motor 203 is sleeved with a pulley 204, there are two pulleys 204, and the front end surface of the output rod of the dual-axis motor 203 is fixedly connected to the inner wall of the pulley 204 located on the left side.

[0030] Furthermore, in this embodiment, the moving mechanism 2 is provided to move the hydraulic lifting legs 201, so that the lifting legs 201 can be moved according to industrial vehicles of different sizes, and the lifting legs 201 can be applied to different vehicle chassis. The first support plate 304 and the first damper 305 are provided to buffer and support the bottom surface of the chassis 1. When the vehicle is placed on the chassis 1, the double-axis motor 203 is started to drive the pulley 204 to rotate, so that the pulley 204 drives the two double-headed threaded rods 302 to rotate, and the double-headed threaded rods 302 drive the first slider 303 and the first support box 301 to move, so that the vehicle can be moved according to the position of the vehicle.

[0031] Embodiment 2

[0032] See also Figure 1-Figure 4 , and based on the first embodiment, further obtain:

[0033] The buffer mechanism 3 includes a plurality of first support boxes 301, and two first limit grooves are formed through the top surface of the chassis 1. Double-headed threaded rods 302 are rotatably provided on the inner walls of the two first limit grooves through the bearing seats. A plurality of first sliders 303 are threadedly sleeved on the outer surfaces of the two double-headed threaded rods 302. The outer surfaces of the two double-headed threaded rods 302 pass through the inner side of the chassis 1 and extend to the side of the chassis 1.

[0034] Furthermore, in this embodiment, a plurality of first support plates 304 are slidably disposed on the inner walls of the plurality of first grooves, a plurality of first support plates 304 are fixedly disposed on the top surfaces thereof, and a plurality of first dampers 305 are fixedly connected to the inner walls of the plurality of first grooves on the top surfaces thereof.

[0035] Furthermore, in this embodiment, the rear end face of the output rod of the dual-axis motor 203 is fixedly connected to the front end face of the double-threaded rod 302 on the left, and the inner wall of the pulley 204 on the right is fixedly connected to the front end face of the double-threaded rod 302 on the right.

[0036] Furthermore, in the present embodiment, the top surfaces of several first sliders 303 are respectively fixedly connected to the bottom surfaces of several first support boxes 301, and L-shaped plates are fixedly provided on the sides of the four hydraulic lifting legs 201. Second grooves are opened through the top surfaces of several first support boxes 301, and the outer surfaces of several L-shaped plates respectively penetrate the inner walls of several second grooves and extend to the inside of several second grooves.

[0037] Furthermore, in this embodiment, a plurality of second dampers 306 are fixedly disposed on the inner walls of a plurality of second grooves, and the top surfaces of the plurality of second dampers 306 are fixedly connected to the bottom surfaces of a plurality of L-shaped plates, respectively.

[0038] Furthermore, in this embodiment, two V-shaped articulated rods 307 are arranged on the side of the chassis 1. The two V-shaped articulated rods 307 are respectively arranged on both sides of the four hydraulic lifting legs 201 and correspond to each other. The two end surfaces of the two V-shaped articulated rods 307 are respectively articulated to the inner sides of the four hydraulic lifting legs 201.

[0039] Furthermore, this embodiment provides a buffer mechanism 3 to effectively buffer the slow movement of the hydraulic lifting legs caused by the movement of the upper vehicle, thereby reducing shock; a V-shaped articulated rod 307 is provided to move the hydraulic lifting legs 201 on both sides, and a second damper 306 is provided to effectively buffer the collision caused by the up and down movement of the L-shaped plate.

[0040] When in use, the hydraulic lifting legs 201 are moved by setting a moving mechanism 2, and the bottom surface of the chassis 1 is buffered and supported by setting a first support plate 304 and a first damper 305. When a vehicle is placed on the upper part, the pulley 204 is driven to rotate by starting the dual-axis motor 203, so that the pulley 204 drives the two double-headed threaded rods 302 to rotate, and the double-headed threaded rods 302 drive the first slider 303 and the first support box 301 to move, so as to facilitate movement according to the position of the vehicle; by setting a buffer mechanism 3, the hydraulic lifting legs caused by the movement of the upper vehicle can be effectively buffered, thereby reducing shock; by setting a V-shaped articulated rod 307, the hydraulic lifting legs 201 on both sides are moved, and by setting a second damper 306, the collision caused by the up and down movement of the L-shaped plate can be buffered.

[0041] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic lifting leg for an industrial vehicle, comprising a chassis (1), characterized in that: The top surface of the chassis (1) is provided with a moving mechanism (2) and a buffer mechanism (3); The moving mechanism (2) comprises a power part and a moving part, wherein the power part is located on the side of the moving part; The power unit comprises four hydraulic lifting legs (201), the four hydraulic lifting legs (201) are respectively located on both sides of the chassis (1), a plurality of first support columns (202) are fixedly arranged on the bottom surface of the chassis (1), and a plurality of first grooves are formed through the bottom surfaces of the plurality of first support columns (202); The moving part comprises a dual-axis motor (203), the side of the dual-axis motor (203) is fixedly connected to the side of the chassis (1), the front end surface of the output rod of the dual-axis motor (203) is sleeved with a pulley (204), the number of the pulleys (204) is two, and the front end surface of the output rod of the dual-axis motor (203) is fixedly connected to the inner wall of the pulley (204) located on the left side.

2. The hydraulic lifting leg of an industrial vehicle according to claim 1, characterized in that: The buffer mechanism (3) comprises a plurality of first support boxes (301), the top surface of the chassis (1) is provided with two first limit grooves, the inner walls of the two first limit grooves are provided with double-headed threaded rods (302) rotatably arranged through the bearing seats, the outer surfaces of the two double-headed threaded rods (302) are provided with a plurality of first sliding blocks (303) in a threaded sleeve, and the outer surfaces of the two double-headed threaded rods (302) pass through the inner side surface of the chassis (1) and extend to the side surface of the chassis (1).

3. The hydraulic lifting leg of an industrial vehicle according to claim 2, characterized in that: A plurality of first support plates (304) are slidably arranged on the inner walls of the plurality of first grooves, a first damper (305) is fixedly arranged on the top surfaces of the plurality of first support plates (304), and the top surfaces of the plurality of first dampers (305) are fixedly connected to the inner walls of the plurality of first grooves.

4. The hydraulic lifting leg of an industrial vehicle according to claim 3, characterized in that: The rear end face of the output rod of the dual-axis motor (203) is fixedly connected to the front end face of the double-threaded rod (302) located on the left, and the inner wall of the pulley (204) located on the right is fixedly connected to the front end face of the double-threaded rod (302) located on the right.

5. The hydraulic lifting leg of an industrial vehicle according to claim 4, characterized in that: The top surfaces of the plurality of first sliding blocks (303) are respectively fixedly connected to the bottom surfaces of the plurality of first supporting boxes (301); the sides of the four hydraulic lifting legs (201) are fixedly provided with L-shaped plates; the top surfaces of the plurality of first supporting boxes (301) are respectively provided with second grooves; the outer surfaces of the plurality of L-shaped plates respectively penetrate the inner walls of the plurality of second grooves and extend into the interiors of the plurality of second grooves.

6. The hydraulic lifting leg of an industrial vehicle according to claim 5, characterized in that: A plurality of second dampers (306) are fixedly arranged on the inner walls of the plurality of second grooves, and the top surfaces of the plurality of second dampers (306) are respectively fixedly connected to the bottom surfaces of the plurality of L-shaped plates.

7. The hydraulic lifting leg of an industrial vehicle according to claim 1, characterized in that: Two V-shaped hinged rods (307) are arranged on the side of the chassis (1), and the two V-shaped hinged rods (307) are respectively arranged on the two side surfaces of the four hydraulic lifting legs (201) and are arranged in correspondence, and the two end surfaces of the two V-shaped hinged rods (307) are respectively hinged to the inner side surfaces of the four hydraulic lifting legs (201).

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