A forklift lifting mast assembly

Abstract

The utility model discloses a forklift lifting gantry assembly, including a control box, a fork and a gantry, the control box including fixed boxes on both sides and a lifting groove in the middle, the upper part of the fixed box is fixedly connected to a second motor, the power end of the second motor penetrates the control box and is fixedly connected to a second lead screw, the bottom of the second lead screw is rotatably connected to the lower inner wall of the control box, the outer side of the second lead screw is threadedly connected to a lifting plate, the lower part of the lifting plate is fixedly connected to a lifting rod, the middle part of the lifting groove is fixedly connected to an isolation plate, the lifting rod is slidably connected to the inside of the isolation plate, the lower part of the lifting rod penetrates the control box and is rotatably connected to a push plate, the upper part of the push plate is flush with the fork, and the front ends of the push plate are rotatably connected to the fork, which can facilitate the sliding of heavy objects off the fork, making it easier for people to carry goods.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift equipment, in particular to a forklift lifting door frame assembly. Background Art

[0002] Forklifts, as an industrial handling vehicle, are mainly used for loading and unloading, stacking and short-distance transportation of palletized goods. Forklifts are widely used in various occasions, including warehouses, logistics centers and distribution centers, construction sites, manufacturing plants, ports and freight terminals, agricultural fields, retail stores, hospitals and medical facilities, catering industry, and handling of refrigerated and frozen goods. However, before using the forklift each time, the operator should carefully check the forklift's mechanical parts, brakes, tires, hydraulic system and lights to ensure that the forklift is in good working condition.

[0003] A forklift is used to lift and move items on the forks by placing the goods on the forks. If the goods are heavy, the friction between the goods and the forks will be too great, making it difficult to remove the goods from the forks, thereby wasting a lot of manpower. Utility Model Content

[0004] The purpose of the utility model is to provide a forklift lifting gantry assembly to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a forklift lifting gantry assembly, including a control box, a fork, and a gantry, the control box including fixed boxes on both sides and a lifting groove in the middle, the upper part of the fixed box is fixedly connected to a second motor, the power end of the second motor penetrates the control box and is fixedly connected to a second lead screw, the bottom of the second lead screw is rotatably connected to the lower inner wall of the control box, the outer side of the second lead screw is threadedly connected to a lifting plate, the lower part of the lifting plate is fixedly connected to a lifting rod, the middle part of the lifting groove is fixedly connected to an isolation plate, the lifting rod is slidably connected to the inside of the isolation plate, the lower part of the lifting rod penetrates the control box and is rotatably connected to a push plate, the upper part of the push plate is flush with the fork, and the front end of the push plate is rotatably connected to the fork.

[0006] Preferably, a plurality of grooves are formed at the upper portion of the push plate, and a rolling rod is rotatably connected inside the groove.

[0007] Preferably, a first connecting ring is fixedly connected to the lower portion of the lifting rod, a second connecting ring is fixedly connected to the upper portion of the pushing plate, and the first connecting ring and the second connecting ring are connected by a rotating shaft.

[0008] Preferably, the fixed box is fixedly connected to a first motor on the side away from the fork, the power end of the first motor penetrates the fixed box and is fixedly connected to a first screw, the other end of the first screw is rotatably connected to the inner wall of the fixed box, the outer side of the first screw is threadedly connected to a moving block, the front side of the moving block is fixedly connected to a connecting rod, a connecting groove is opened on the front side of the fixed box, and the connecting rod penetrates the connecting groove and is fixedly connected to a fixed plate.

[0009] Preferably, friction lines are provided on the facing sides of the fixing plates at both sides.

[0010] Preferably, the inner wall of the door frame is slidably connected to a lifting platform, the front side of the lifting platform is fixedly connected to a connecting frame, the lower part of the connecting frame is fixedly connected to the control box, the inside of the connecting frame is fixedly connected to a connecting shaft, and the lower part of the connecting shaft is fixedly connected to the fork.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model uses the cargo fork, the pushing plate, the second motor, the second lead screw, the lifting plate, the lifting rod, the pushing plate and the cargo fork in coordination, so that the cargo is placed on the cargo fork and the upper part of the pushing plate, the second motor drives the second lead screw to rotate, drives the lifting plate to move up and down, drives the rear side of the pushing plate to move upward through the lifting rod, and the front end of the lifting plate rotates around the cargo fork to push out the cargo on the pushing plate, so that the heavy objects can slide off the cargo fork conveniently, making it easier for people to carry the cargo;

[0013] The utility model also uses a first motor, a first screw, a moving block, a connecting rod, and a fixed plate in coordination. The first motor drives the first screw to rotate, and the moving block and the connecting rod drive the fixed plate to move, so as to push the goods to move left and right, and adjust the lateral position of the goods. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0015] Figure 2 This is a schematic diagram of the lifting slot structure of the utility model from a second viewing angle;

[0016] Figure 3 This is a schematic diagram of the connecting ring structure of the utility model from the third viewing angle.

[0017] In the figure: 1. control box; 2. fixing box; 3. lifting slot; 4. first motor; 5. first lead screw; 6. moving block; 7. connecting slot; 8. connecting rod; 9. fixing plate; 10. friction pattern; 11. isolation plate; 12. second motor; 13. second lead screw; 14. lifting plate; 15. lifting rod; 16. first connecting ring; 17. second connecting ring; 18. pushing plate; 19. groove; 20. rolling rod; 21. connecting frame; 22. lifting platform; 23. door frame; 24. connecting shaft; 25. fork. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3 The utility model provides a technical solution: a forklift lifting gantry assembly, including a control box 1, a fork 25, and a gantry 23. The control box 1 includes fixed boxes 2 on both sides and a lifting slot 3 in the middle. A second motor 12 is installed on the upper flange of the fixed box 2. The power end of the second motor 12 penetrates the control box 1 coupling and is connected to a second lead screw 13. The bottom of the second lead screw 13 is rotatably connected to the inner wall of the lower side of the control box 1. The outer side of the second lead screw 13 is threadedly connected to a lifting plate 14. A lifting rod 15 is fixedly welded to the lower part of the lifting plate 14. An isolation plate 11 is fixedly welded in the middle of the lifting slot 3, and a lifting rod 15 is slidably installed inside the isolation plate 11. The lower part of the lifting rod 15 penetrates the control box 1 and is rotatably installed with a push plate 18. The upper part of the push plate 18 is flush with the fork 25, and both sides of the front end of the push plate 18 are rotatably connected with the fork 25. The second motor 12 drives the second lead screw 13 to rotate, drives the lifting plate 14 to move up and down, and drives the rear side of the push plate 18 to move upward through the lifting rod 15. The front end of the lifting plate 15 rotates around the fork 25 to push the goods on the push plate 18 out;

[0020] There are several grooves 19 on the upper part of the push plate 18, and a rolling rod 20 is rotatably installed inside the groove 19 to facilitate the sliding of the goods; a first connecting ring 16 is fixedly welded at the lower part of the lifting rod 15, and a second connecting ring 17 is fixedly welded at the upper part of the pushing plate 18. The first connecting ring 16 and the second connecting ring 17 are connected by a rotating shaft to ensure that when the lifting rod 15 moves upward, it can drive the rear side of the lifting plate 14 to lift upward; a first motor 4 is installed on the flange of the fixed box 2 away from the fork 25, and the power end of the first motor 4 penetrates the fixed box 2 and is fixedly welded with a first screw 5, and the other end of the first screw 5 is rotatably connected to the inner wall of the fixed box 2, and the outer side of the first screw 5 is threadedly connected to a moving block 6, and the front side of the moving block 6 is fixedly welded with a connecting rod 8. A connecting groove 7 is provided on the front side of the fixed box 2. The connecting rod 8 penetrates the connecting groove 7 and is fixedly welded with a fixing plate 9. The first motor 4 drives the first screw 5 to rotate, and drives the fixing plate 9 to move through the moving block 6 and the connecting rod 8, so as to push the goods to move left and right; the fixing plates 9 on both sides are provided with friction grooves 10 facing each other on one side to prevent the goods from sliding out to the front side; the inner wall of the door frame 23 slides on a lifting platform 22, and a connecting frame 21 is fixedly welded on the front side of the lifting platform 22. The lower part of the connecting frame 21 is fixedly welded to the control box 1, and a connecting shaft 24 is fixedly welded inside the connecting frame 21. The lower part of the connecting shaft 24 is fixedly welded to the fork 25, so as to ensure that the lifting platform 22 can drive the fork 25 and the control box 1 to move up and down when it rises.

[0021] Working principle: When the utility model is in use, the goods are placed on the upper part of the fork 25 and the pushing plate 18, the second motor 12 drives the second screw 13 to rotate, drives the lifting plate 14 to move up and down, and drives the rear side of the pushing plate 18 to move upward through the lifting rod 15. The first connecting ring 16 is connected to the second connecting ring 17 shaft, which is convenient for the rear side of the pushing plate 18 to be able to deviate upward, and the front end of the lifting plate 15 rotates around the fork 25 to push the goods on the pushing plate 18. The goods slide down along the rolling rod 20 to facilitate unloading. The first motor 4 drives the first screw 5 to rotate, and drives the fixed plate 9 to move through the moving block 6 and the connecting rod 8, which can push the goods to move left and right.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0023] Although 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 forklift mast assembly, comprising a control box (1), a fork (25), and a mast (23), characterized in that: The control box (1) comprises fixed boxes (2) at two sides and a lifting groove (3) in the middle. The upper part of the fixed box (2) is fixedly connected to a second motor (12). The power end of the second motor (12) penetrates the control box (1) and is fixedly connected to a second lead screw (13). The bottom of the second lead screw (13) is rotatably connected to the inner wall of the lower side of the control box (1). The outer side of the second lead screw (13) is threadedly connected to a lifting plate (14). The lower part of the lifting plate (14) is fixedly connected to a lifting rod (15). The middle part of the lifting groove (3) is fixedly connected to an isolation plate (11). The lifting rod (15) is slidably connected to the inside of the isolation plate (11). The lower part of the lifting rod (15) penetrates the control box (1) and is rotatably connected to a push plate (18). The upper part of the push plate (18) is flush with the fork (25). Both sides of the front end of the push plate (18) are rotatably connected to the fork (25).

2. A forklift mast assembly according to claim 1, characterized in that: A plurality of grooves (19) are formed at the top of the push plate (18), and a rolling rod (20) is rotatably connected inside the groove (19).

3. A forklift mast assembly according to claim 1, characterized in that: The lower portion of the lifting rod (15) is fixedly connected to a first connecting ring (16), the upper portion of the pushing plate (18) is fixedly connected to a second connecting ring (17), and the first connecting ring (16) and the second connecting ring (17) are connected by a rotating shaft.

4. A forklift mast assembly according to claim 1, characterized in that: A first motor (4) is fixedly connected to a side of the fixed box (2) away from the fork (25); a power end of the first motor (4) penetrates the fixed box (2) and is fixedly connected to a first lead screw (5); the other end of the first lead screw (5) is rotatably connected to an inner wall of the fixed box (2); a moving block (6) is threadedly connected to the outer side of the first lead screw (5); a connecting rod (8) is fixedly connected to the front side of the moving block (6); a connecting groove (7) is provided on the front side of the fixed box (2); and the connecting rod (8) penetrates the connecting groove (7) and is fixedly connected to a fixing plate (9).

5. A forklift mast assembly according to claim 4, characterized in that: The fixing plates (9) on both sides are provided with friction patterns (10) on the facing sides.

6. The forklift mast assembly according to claim 1, characterized in that: The inner wall of the door frame (23) is slidably connected to a lifting platform (22), the front side of the lifting platform (22) is fixedly connected to a connecting frame (21), the lower part of the connecting frame (21) is fixedly connected to the control box (1), the interior of the connecting frame (21) is fixedly connected to a connecting shaft (24), and the lower part of the connecting shaft (24) is fixedly connected to a fork (25).

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