Forklift overhead guard supporting structure

Abstract

The utility model relates to the technical field of forklift overhead guards, and discloses a forklift overhead guard supporting structure which solves the problems that an existing forklift overhead guard supporting structure is usually connected with an overhead guard through a large number of bolts, a tool needs to be used for sequentially screwing when the large number of bolts are fastened, and therefore working efficiency is reduced. Sockets are fixedly installed at the four corners of the top of the supporting frame, inserting rods are inserted into the four sockets, a top frame is fixedly installed between the tops of the four inserting rods, clamping holes are formed in the lower ends of the four inserting rods, a hand wheel is arranged on one side of the supporting frame, clamping rods are arranged on one sides of the four sockets, and a transmission assembly is arranged at the output end of the hand wheel. The transmission assembly is in transmission connection with the four clamping rods. When the hand wheel rotates, power is output to the four clamping rods through the transmission assembly. The forklift overhead guard is very convenient to install, the labor amount of operators is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fork truck protective roof rack, specifically a fork truck protective roof rack support structure. BACKGROUND

[0002] The support structure of the fork truck protective roof rack is an important component of the fork truck protective roof rack, which mainly serves to support and stabilize the protective roof rack, ensuring that the protective roof rack can provide sufficient protection for the driver during the operation of the fork truck. The support structure of the fork truck protective roof rack is widely used in various industrial fork trucks, especially in situations where the driver needs to be protected from the impact of heavy objects above. For example, in logistics warehouses, production workshops, and other places, the support structure of the fork truck protective roof rack can provide effective protection for the driver, reducing the probability of accidents. The existing fork truck protective roof rack support structure is usually connected to the protective roof rack using a large number of bolts. When the bolts are tightened, tools are needed to tighten them one by one, increasing the labor of the operators and reducing the work efficiency. SUMMARY

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a fork truck protective roof rack support structure, which effectively solves the problem that the existing fork truck protective roof rack support structure is usually connected to the protective roof rack using a large number of bolts, and a tool is needed to tighten the bolts one by one, thereby reducing the work efficiency.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a fork truck protective roof rack support structure, comprising a support frame, a socket is fixedly installed at the top of each corner of the support frame, a plug rod is inserted into the inside of each of the four sockets, a roof rack is fixedly installed between the top of the four plug rods, a clamping hole is formed at the lower end of each of the four plug rods, a hand wheel is arranged on one side of the support frame, a clamping rod is arranged on one side of each of the four sockets, a transmission assembly is arranged at the output end of the hand wheel, the transmission assembly is in transmission connection with the four clamping rods, and when the hand wheel rotates, power is output to the four clamping rods through the transmission assembly, so that the four clamping rods are moved and inserted into the clamping holes in the four plug rods for limiting installation.

[0005] Preferably, the transmission assembly comprises a shaft, the shaft is fixedly installed on one side of the hand wheel, a shaft sleeve is rotatably installed on the surface of the shaft, the top of the shaft sleeve is fixedly connected with the support frame through a support arm, a worm is fixedly installed at one end of the shaft, a positioning frame is rotatably installed at one end of the worm, the upper end of the positioning frame is fixedly connected with the support frame, and a worm wheel is meshed and connected to the lower part of the worm.

[0006] Preferably, the middle part of the worm gear is fixedly installed with a rotating rod, the surface of the rotating rod is rotatably installed with four rotating sleeves, the upper parts of the rotating sleeves are fixedly connected with the support frame, the two ends of the rotating rod are fixedly installed with driving bevel gears, the surfaces of the two driving bevel gears are meshingly connected with driven bevel gears, the sides of the two driven bevel gears are fixedly installed with rotating shafts, the surfaces of the two rotating shafts are rotatably installed with bearings, and the upper parts of the bearings are fixedly connected with the support frame.

[0007] Preferably, one end of each of the rotating shafts is fixedly installed with a threaded rod, one end of each of the two threaded rods is rotatably installed with an axle seat, the top parts of the two axle seats are fixedly connected with the support frame, the surfaces of the two threaded rods are threadedly connected with threaded sleeves, the sides of the two threaded sleeves away from each other are fixedly installed with connecting frames, the sides of the two connecting frames close to each other are fixedly installed with sliding blocks, the two ends of the support frame are provided with sliding grooves, the two sliding blocks are slidingly installed in the two sliding grooves, the top parts of the two connecting frames are fixedly installed with connecting rods, and the two ends of the two connecting rods are fixedly connected with the four clamping rods.

[0008] Compared with the prior art, the utility model has the advantages that: when using, the operator inserts the four insertion rods on the top frame into the four sockets, then rotates the hand wheel, the hand wheel drives the shaft rod to rotate in the shaft sleeve when rotating, the shaft rod drives the worm gear to rotate along the positioning frame when rotating, the worm gear drives the rotating rod to rotate in the four rotating sleeves through the worm wheel when rotating, the rotating rod drives the two driven bevel gears to rotate through the two driving bevel gears when rotating, the two driven bevel gears drive the two rotating shafts to rotate in the two bearings when rotating, and the two rotating shafts drive the two threaded rods to rotate along the two axle seats when rotating.

[0009] The two threaded rods drive the connecting frames to move through the threaded sleeves when rotating, the two connecting frames drive the sliding blocks to slide in the sliding grooves when moving, the stability of the two threaded sleeves when moving is improved, the two connecting frames drive the four clamping rods to be inserted into the four clamping holes in the four insertion rods through the two connecting rods when moving, the fork truck top frame supporting structure is very convenient to install, the labor of the operator is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0011] In the drawings:

[0012] Figure 1 The utility model fork truck top frame supporting structure structure schematic Figure One ;

[0013] Figure 2This is a schematic diagram of the forklift overhead guard support structure of this utility model. Figure Two ;

[0014] Figure 3 This is a schematic diagram of the transmission component structure of this utility model. Figure One ;

[0015] Figure 4 This is a schematic diagram of the transmission component structure of this utility model. Figure Two ;

[0016] Figure 5 This utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0017] In the diagram: 1. Support frame; 2. Socket; 3. Insert rod; 4. Top frame; 5. Locking hole; 6. Handwheel; 7. Locking rod; 8. Shaft; 9. Bushing; 10. Support arm; 11. Worm gear; 12. Positioning frame; 13. Worm wheel; 14. Rotating rod; 15. Rotating sleeve; 16. Driving bevel gear; 17. Driven bevel gear; 18. Rotating shaft; 19. Bearing; 20. Threaded rod; 21. Threaded sleeve; 22. Connecting frame; 23. Shaft seat; 24. Slider; 25. Slide groove; 26. Connecting rod. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0019] Depend on Figures 1 to 5 The present invention includes a support frame 1, with sockets 2 fixedly installed at the four corners of the top of the support frame 1. Insert rods 3 are inserted into the interior of each of the four sockets 2. A top bracket 4 is fixedly installed between the tops of the four insert rods 3. A locking hole 5 is provided at the lower end of each of the four insert rods 3. A handwheel 6 is provided on one side of the support frame 1, and a locking rod 7 is provided on one side of each of the four sockets 2. A transmission assembly is provided at the output end of the handwheel 6, and the transmission assembly is connected to the four locking rods 7. When the handwheel 6 rotates, it outputs power to the four locking rods 7 through the transmission assembly, causing the four locking rods 7 to move and insert into the locking holes 5 on the four insert rods 3 for limited installation.

[0020] In use, the operator inserts the four rods 3 on the top frame 4 into the four sockets 2, and then rotates the handwheel 6. When the handwheel 6 rotates, it drives the four locking rods 7 to be inserted into the four locking holes 5 on the four rods 3 through the transmission component for limit installation. This makes the installation of the forklift top guard very convenient, reduces the workload of the operator, and improves work efficiency.

[0021] The transmission assembly comprises a shaft rod 8 fixedly installed on one side of the hand wheel 6, a shaft sleeve 9 rotatably installed on the surface of the shaft rod 8, the top of the shaft sleeve 9 fixedly connected with the supporting frame 1 through a supporting arm 10, a worm 11 fixedly installed on one end of the shaft rod 8, a positioning frame 12 rotatably installed on one end of the worm 11, the upper end of the positioning frame 12 fixedly connected with the supporting frame 1, and a worm gear 13 meshingly connected with the lower part of the worm 11.

[0022] When the hand wheel 6 rotates, the shaft rod 8 rotates in the inside of the shaft sleeve 9, the shaft rod 8 drives the worm 11 to rotate along the positioning frame 12, and the worm 11 drives the worm gear 13 to rotate.

[0023] The middle part of the worm gear 13 is fixedly installed with a rotating rod 14, the surface of the rotating rod 14 is rotatably installed with four rotating sleeves 15, the upper part of the rotating sleeves 15 is fixedly connected with the supporting frame 1, both ends of the rotating rod 14 are fixedly installed with driving bevel gears 16, one side of the surface of the two driving bevel gears 16 is meshingly connected with driven bevel gears 17, one side of the two driven bevel gears 17 is fixedly installed with rotating shafts 18, the surface of the two rotating shafts 18 is rotatably installed with bearings 19, and the upper part of the bearings 19 is fixedly connected with the supporting frame 1.

[0024] When the worm gear 13 rotates, the rotating rod 14 rotates in the inside of the four rotating sleeves 15, the rotating rod 14 drives the two driven bevel gears 17 to rotate through the two driving bevel gears 16, and the two driven bevel gears 17 drive the two rotating shafts 18 to rotate in the inside of the two bearings 19.

[0025] One end of the rotating shaft 18 is fixedly installed with a threaded rod 20, one end of the two threaded rods 20 is rotatably installed with an axle seat 23, the top of the two axle seats 23 is fixedly connected with the supporting frame 1, the surface of the two threaded rods 20 is threadedly connected with threaded sleeves 21, one side of the two threaded sleeves 21 away from each other is fixedly installed with a connecting frame 22, one side of the two connecting frames 22 close to each other is fixedly installed with a sliding block 24, both ends of the supporting frame 1 are provided with sliding grooves 25, the two sliding blocks 24 are slidingly installed in the inside of the two sliding grooves 25, the top of the two connecting frames 22 is fixedly installed with connecting rods 26, and both ends of the two connecting rods 26 are respectively fixedly connected with the four clamping rods 7.

[0026] When the two rotating shafts 18 rotate, the two threaded rods 20 rotate along the two axle seats 23, the two threaded rods 20 drive the connecting frames 22 to move through the threaded sleeves 21, the two connecting frames 22 drive the sliding blocks 24 to slide in the inside of the sliding grooves 25 when moving, the stability of the two threaded sleeves 21 when moving is increased, and the four clamping rods 7 are driven by the two connecting rods 26 to be inserted into the four clamping holes 5 on the four inserting rods 3 for limiting installation when the two connecting frames 22 move.

Claims

1. A fork-lift truck superstructure support structure comprising a support frame (1) characterised in that: The top four corners of the support frame (1) are fixedly installed with sockets (2), the interiors of the four sockets (2) are inserted with plug rods (3), the top portions of the four plug rods (3) are fixedly installed with a top frame (4), the lower ends of the four plug rods (3) are provided with clamping holes (5), one side of the support frame (1) is provided with a hand wheel (6), one side of the four sockets (2) is provided with clamping rods (7), the output end of the hand wheel (6) is provided with a transmission assembly, the transmission assembly is in transmission connection with the four clamping rods (7), when the hand wheel (6) rotates, power is output to the four clamping rods (7) through the transmission assembly, so that the four clamping rods (7) are inserted into the clamping holes (5) on the four plug rods (3) to be limitedly installed.

2. A fork lift truck superstructure support structure according to claim 1 wherein: The transmission assembly comprises a shaft rod (8), the shaft rod (8) is fixedly installed on one side of the hand wheel (6), the surface of the shaft rod (8) is rotatably installed with a shaft sleeve (9), the top portion of the shaft sleeve (9) is fixedly connected with the support frame (1) through a support arm (10), one end of the shaft rod (8) is fixedly installed with a worm (11), one end of the worm (11) is rotatably installed with a positioning frame (12), the upper end of the positioning frame (12) is fixedly connected with the support frame (1), the lower portion of the worm (11) is in meshing connection with a worm wheel (13).

3. A fork lift truck superstructure support structure according to claim 2, characterised in that: The middle portion of the worm wheel (13) is fixedly installed with a rotating rod (14), the surface of the rotating rod (14) is rotatably installed with four rotating sleeves (15), the upper portions of the rotating sleeves (15) are fixedly connected with the support frame (1), the two ends of the rotating rod (14) are fixedly installed with driving bevel gears (16), one side of the surfaces of the two driving bevel gears (16) is in meshing connection with driven bevel gears (17), one side of the two driven bevel gears (17) is fixedly installed with rotating shafts (18), the surfaces of the two rotating shafts (18) are rotatably installed with bearings (19), the upper portions of the bearings (19) are fixedly connected with the support frame (1).

4. A fork lift truck superstructure support structure according to claim 3, characterised in that: One end of the rotating shaft (18) is fixedly installed with a threaded rod (20), one end of the two threaded rods (20) is rotatably installed with an axle seat (23), the top portions of the two axle seats (23) are fixedly connected with the support frame (1), the surfaces of the two threaded rods (20) are threadedly connected with threaded sleeves (21), one side of the two threaded sleeves (21) away from each other is fixedly installed with a connecting frame (22), one side of the two connecting frames (22) close to each other is fixedly installed with a sliding block (24), the two ends of the support frame (1) are provided with sliding grooves (25), the two sliding blocks (24) are slidingly installed in the interiors of the two sliding grooves (25), the top portions of the two connecting frames (22) are fixedly installed with connecting rods (26), the two ends of the two connecting rods (26) are fixedly connected with the four clamping rods (7).

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