High-stability hoisting support for small agricultural machine

Abstract

The utility model discloses a high-stability hoisting support for a small agricultural machine, and belongs to the field of hoisting of small agricultural machines. The high-stability hoisting support for the small agricultural machine comprises a supporting column, fixing strips are arranged on the two sides of the supporting column, sliding rails are arranged in the fixing strips towards the supporting column in a sunken mode, and extension rods are arranged on one sides of the two fixing strips. According to the hoisting device for agricultural machine maintenance, the problems that in the hoisting process of an existing hoisting device for agricultural machine maintenance, a small agricultural machine needs to be placed at the right lower end of a hoisting support in advance, and the heavy small agricultural machine is difficult to move to the lower end of the hoisting support are solved; and meanwhile, the third bracket rotates reversely by taking the damping shaft as the circle center, so that the stability of the hoisting bracket during hoisting of small agricultural equipment can be improved on the basis of additional support.

Description

Technical Field

[0001] This utility model relates to the field of small agricultural machinery hoisting, specifically a highly stable hoisting bracket for small agricultural machinery. Background Technology

[0002] Small agricultural machinery hoisting brackets are support and hoisting devices specifically designed for small agricultural machinery. They are usually made of sturdy metal materials, have a stable structure and good load-bearing capacity. The main function of these brackets is to easily hoist small agricultural machinery to appropriate heights and positions for operation, movement or maintenance. By using hoisting brackets, farmers can complete various agricultural tasks more easily and efficiently, improving production efficiency. They can also effectively protect small agricultural machinery from damage caused by uneven ground or collisions, extending the service life of the equipment.

[0003] Chinese patent CN207738377U discloses an agricultural machinery maintenance and hoisting device, including a support column. The support column drives a fixed plate to rotate to a certain angle and insert it into a fixed slot for fixation. The support column is connected to telescopic adjustable support legs, which can be adjusted in length as needed to ensure that the disc is in a horizontal state, making it very safe when hoisting agricultural machinery.

[0004] During the hoisting process of the agricultural machinery repair hoisting device of the above-mentioned patent, small agricultural machinery needs to be placed at the lower end of the hoisting bracket in advance. However, due to the restrictions on both sides of the hoisting bracket, it is difficult to move the heavier small agricultural machinery to the lower end of the hoisting bracket. It is necessary to use external equipment to move the position of the small agricultural machinery or actively adjust the lateral position of the hoisting bracket. Utility Model Content

[0005] The purpose of this utility model is to provide a highly stable lifting bracket for small agricultural machinery. By rotating and unfolding the fixed bar, an additional lateral movement trajectory can be provided for the support column, allowing the support column to move to the front end of the entire lifting bracket. At the same time, the third bracket can be rotated around the damping axis to provide additional support, thereby improving the stability of the lifting bracket when lifting small agricultural machinery equipment and solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-stability hoisting bracket for small agricultural machinery, comprising a support column, with fixing strips on both sides of the support column, a sliding rail recessed inside the fixing strip facing the support column, the support column being embedded in the sliding rail and slidably connected to the inside of the sliding rail, an extension rod on one side of each of the two fixing strips, a second bracket on the outer side of the extension rod, a first bracket on the outer side of the second bracket, and both the first and second brackets being rotatably connected to the outer side of the extension rod, and a third bracket rotatably connected via a damping shaft on the side of the second bracket facing the first bracket.

[0007] Preferably, the extension rod is rotatably connected to the fixing bar.

[0008] Preferably, a limiting block is provided around the outside of the extension rod facing the fixing bar, and a protruding block is provided around the outside of the extension rod, the protruding block being embedded inside the limiting block and slidably connected to the inside of the limiting block.

[0009] Preferably, the fixing strip is provided with a groove facing the limiting block, and the limiting block is embedded in the groove and connected to the groove slot. There are four protruding blocks and four grooves arranged around the perimeter.

[0010] Preferably, a first extension strip is provided at the front end of the second bracket, and the first extension strip is welded and fixed to the second bracket; a second extension strip is provided at the rear end of the first bracket, and the second extension strip is welded and fixed to the first bracket.

[0011] Preferably, the second extension strip and the first extension strip are wrapped with a protective shell, the front end of the protective shell is provided with a first movable cavity, and the rear end of the protective shell is provided with a second movable cavity.

[0012] Preferably, one end of the third bracket is provided with a fixing plate, and the fixing plate is welded and fixed to the third bracket.

[0013] Preferably, the protective shell is welded to the outside of the extension rod.

[0014] Preferably, the fixing plate has a cavity extending through its interior.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] When lifting small agricultural machinery, the present invention allows the fixing bar to rotate and protrude from the front end of the lifting bracket. The extended fixing bar facilitates the movement of the support column and hook towards the front end of the lifting bracket, enabling the hook to move to the small agricultural machinery placed on the ground at the front end of the lifting bracket. Heavier small agricultural machinery does not need to be moved to the lower end of the lifting bracket under the restriction of the first and second brackets. On the other hand, when lifting small agricultural machinery from the front end of the lifting bracket, the third bracket, through the output of the motor, can drive the fixing plate to rotate around the damping axis, so that the fixing plate protrudes from the lifting position at the front end of the lifting bracket. The extended third bracket can provide additional support positions, improve the stability of the support, and also improve the convenience of lifting. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the unfolded third support of this utility model;

[0019] Figure 3 This is a schematic diagram of the folding of the hoisting bracket of this utility model;

[0020] Figure 4 This is an exploded view showing the positional relationship of the limiting blocks in this utility model.

[0021] Figure 5 This is a schematic diagram of the internal structure of the sliding rail of this utility model;

[0022] Figure 6 This is a cross-sectional view of the extension rod transmission structure of this utility model.

[0023] In the diagram: 1. Support column; 2. Hook; 3. Sliding rail; 4. Threaded rod; 5. Extension rod; 6. Protective shell; 7. Limiting block; 8. First bracket; 9. Second bracket; 10. Third bracket; 11. Damping shaft; 12. Fixing plate; 13. Cavity; 14. First extension bar; 15. Second extension bar; 16. First movable cavity; 17. Second movable cavity; 18. Fixing bar; 19. Protruding block; 20. Groove. Detailed Implementation

[0024] The present invention will be further described below with reference to specific embodiments.

[0025] Example 1

[0026] like Figure 1 , Figure 2 and Figure 5As shown, this embodiment of a high-stability hoisting bracket for small agricultural machinery includes a support column 1. A hook 2 is provided through the inside of the support column 1. The hook 2 can slide laterally outside the support column 1 to adjust the position of the suspended object. Fixing strips 18 are provided on both sides of the support column 1. A sliding rail 3 is recessed inside the fixing strip 18 facing the support column 1. The support column 1 is embedded in the sliding rail 3 and slidably connected to the inside of the sliding rail 3. The support column 1 drives the hook 2 to slide laterally along the sliding rail 3 to further adjust the position of the suspended small agricultural machinery. After the support column 1 drives the hook 2 to slide from the sliding rail 3, it can be directly moved to the upper end of the small agricultural machinery at the front end of the hoisting device. A threaded rod 4 is provided through the inside of the sliding rail 3. The outside of the threaded rod 4 is threadedly engaged with the position of the support column 1 inside the sliding rail 3. The lateral position of the support column 1 can be pushed and adjusted by the rotation of the threaded rod 4 and the restriction of the sliding rail 3.

[0027] In addition, to facilitate the support of the support column 1 and the fixing strip 18, such as Figure 6 As shown, an extension rod 5 is provided on one side of each of the two fixing strips 18, and the extension rod 5 is rotatably connected to the fixing strip 18. Rotation can adjust the extension direction of the fixing strip 18, and rotating the fixing strip 18 can facilitate the storage of the fixing strip 18.

[0028] Among them, a second bracket 9 is provided on one side of the extension rod 5, and a first bracket 8 is provided on one side of the second bracket 9. Both the first bracket 8 and the second bracket 9 are rotatably connected to the outside of the extension rod 5. When supporting the support column 1, the first bracket 8 and the second bracket 9 can rotate and unfold to support the horizontally distributed support column 1.

[0029] To limit the maximum rotation angle of the first support 8 and the second support 9, such as Figure 6 As shown, a first extension bar 14 is provided at the front end of the second bracket 9 and is welded to the second bracket 9. A second extension bar 15 is provided at the rear end of the first bracket 8 and is welded to the first bracket 8. When the first bracket 8 and the second bracket 9 rotate, the first extension bar 14 and the second extension bar 15 will rotate synchronously. The second extension bar 15 and the first extension bar 14 are wrapped with a protective shell 6. The front end of the protective shell 6 is provided with a first movable cavity 16 and the rear end of the protective shell 6 is provided with a second movable cavity 17. When the second extension bar 15 and the first extension bar 14 rotate, the first extension bar 14 will rotate in the first movable cavity 16 and the second extension bar 15 will rotate in the second movable cavity 17. The protective shell 6 can limit the maximum unfolding angle of the first bracket 8 and the second bracket 9. The protective shell 6 is welded to the outside of the extension rod 5.

[0030] To provide additional support locations, such as Figure 1 , Figure 2 and Figure 3As shown, a third support 10 is provided on the side of the second support 9 facing the first support 8, and the third support 10 and the second support 9 are rotatably connected by a damping shaft 11. The third support 10 can be expanded and retracted by rotating around the damping shaft 11. A motor is provided at one end of the damping shaft 11. The output of the motor can actively adjust the position of the fixing plate 12. A fixing plate 12 is provided at one end of the third support 10, and the fixing plate 12 is welded and fixed to the third support 10. Through the output of the motor and the rotation of the second support 9, the fixing plate 12 can be flipped and contact the two sides of the small agricultural machinery at the front end of the lifting device, so as to prevent the lifting device from tipping over due to its weight when lifting the small agricultural machinery from the front end.

[0031] The fixed plate 12 has a cavity 13 that runs through it and extends to both ends of the fixed plate 12. The position of the cavity 13 makes it easy to grab the fixed plate 12. The fixed plate 12 in the grabbed and stored state can lift the entire lifting device.

[0032] To secure the rotating and adjusted fixing strip 18, such as Figure 4 As shown, a limiting block 7 is arranged around the side of the extension rod 5 facing the fixing strip 18, and a protruding block 19 is arranged around the outside of the extension rod 5. The protruding block 19 is embedded in the limiting block 7 and slidably connected to the inside of the limiting block 7. The fixing strip 18 is provided with a groove 20 facing the limiting block 7, and the limiting block 7 is embedded in the groove 20 and connected to the groove 20. There are four protruding blocks 19 and four grooves 20 arranged around the extension rod 5. The limiting block 7 can be stably laterally slid through the four protruding blocks 19 and the grooves 20, which facilitates the angle fixation of the fixing strip 18.

[0033] Working principle: When using a lifting device to lift small agricultural machinery, the first bracket 8 and the second bracket 9 on both sides are rotated and unfolded relative to each other. The fixing bar 18 rotates around the extension rod 5 and faces the front of the small agricultural machinery. The limiting block 7 slides laterally outside the extension rod 5 and then moves towards the fixing bar 18. The limiting block 7 is inserted into the fixing bar 18 to fix the fixed bar 18 after rotation and adjustment. The rotation of the threaded rod 4 can push the support column 1 to slide laterally along the sliding rail 3. The hook 2 is adjusted to the upper end of the small agricultural machinery. When lifting the front of the small agricultural machinery, the third bracket 10 rotates after being output by the motor. The third bracket 10 drives the fixing plate 12 to rotate around the damping shaft 11, which can make the fixing plate 12 unfold and contact the ground, so that the fixing plate 12 contacts both sides of the object to be lifted, providing additional support.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A high-stability hoisting bracket for small agricultural machinery, comprising a support column (1), characterized in that, The support column (1) is provided with fixing strips (18) on both sides. The inside of the fixing strip (18) is recessed towards the support column (1) and a sliding rail (3) is provided. The support column (1) is embedded in the sliding rail (3) and slidably connected to the inside of the sliding rail (3). An extension rod (5) is provided on one side of each of the two fixing strips (18). A second bracket (9) is provided on the outside of the extension rod (5). A first bracket (8) is provided on the outside of the second bracket (9). The first bracket (8) and the second bracket (9) are rotatably connected to the outside of the extension rod (5). A third bracket (10) is provided on the side of the second bracket (9) facing the first bracket (8) and rotatably connected by a damping shaft (11).

2. The high-stability hoisting bracket for small agricultural machinery according to claim 1, characterized in that, The extension rod (5) is rotatably connected to the fixing bar (18).

3. The high-stability hoisting bracket for small agricultural machinery according to claim 1, characterized in that, A limiting block (7) is provided around the side of the extension rod (5) facing the fixing bar (18), and a protruding block (19) is provided around the outside of the extension rod (5). The protruding block (19) is embedded inside the limiting block (7) and is slidably connected to the inside of the limiting block (7).

4. The high-stability hoisting bracket for small agricultural machinery according to claim 3, characterized in that, The fixing strip (18) is provided with a groove (20) facing the limiting block (7), and the limiting block (7) is embedded in the groove (20) and connected to the groove (20) in a slot. The protruding block (19) and the groove (20) are both provided with four.

5. The high-stability hoisting bracket for small agricultural machinery according to claim 1, characterized in that, The front end of the second bracket (9) is provided with a first extension strip (14), and the first extension strip (14) is welded and fixed to the second bracket (9). The rear end of the first bracket (8) is provided with a second extension strip (15), and the second extension strip (15) is welded and fixed to the first bracket (8).

6. The high-stability hoisting bracket for small agricultural machinery according to claim 5, characterized in that, The second extension strip (15) and the first extension strip (14) are wrapped with a protective shell (6). The front end of the protective shell (6) is provided with a first movable cavity (16), and the rear end of the protective shell (6) is provided with a second movable cavity (17).

7. The high-stability hoisting bracket for small agricultural machinery according to claim 1, characterized in that, One end of the third bracket (10) is provided with a fixing plate (12), and the fixing plate (12) is welded and fixed to the third bracket (10).

8. A high-stability hoisting bracket for small agricultural machinery according to claim 6, characterized in that, The protective shell (6) is welded to the outside of the extension rod (5).

9. A high-stability hoisting bracket for small agricultural machinery according to claim 7, characterized in that, A cavity (13) is provided through the interior of the fixing plate (12).

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