Three-way stacking fork

Abstract

The three-way stacking pallet fork comprises an accessory frame, a moving arm is movably arranged on the front side of the accessory frame through a side moving device, a pallet fork frame is rotationally arranged at the front end of the moving arm through a rotating device, an upper guide rail and a lower guide rail are arranged on the accessory frame, and an upper rack and a lower rack are arranged on the front side of the accessory frame. The lateral moving device comprises a moving hydraulic motor, a gear shaft, four pulleys and a supporting wheel, the gear shaft is provided with an upper auxiliary gear and a lower auxiliary gear which are meshed with the upper rack and the lower rack respectively, and the four pulleys are horizontally arranged on the upper side and the lower side of the tail end of the moving arm in a pairwise mode respectively and are in rolling connection with the upper guide rail and the lower guide rail respectively; the two supporting wheels are vertically arranged in the middle of the tail end of the movable arm and are in rolling connection with the position, close to the lower rack, of the accessory frame. The utility model has the advantages of simple structure, reasonable design, small volume, simple operation, large output torque and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of stacking forklift equipment, in particular to a three-way stacking fork. Background Art

[0002] Forklifts are industrial handling vehicles, which refer to various wheeled handling vehicles for loading, unloading, stacking and short-distance transportation of palletized goods. With the increase in land and labor costs, there are more and more dense shelves, and three-way stackers for narrow aisles have emerged. The forkhead is the core component of the three-way stacker, which includes side shifting and rotation. The existing three-way stacking forklift bridge is designed to be wide, resulting in a small safe distance between the vehicle body and the shelf, making it difficult to operate and highly dangerous. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and provides a three-way stacking fork which has a simple structure, reasonable design, small size, simple operation and large output torque.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a three-way stacking fork comprises a tool frame, a moving arm is arranged on the front side of the tool frame for movement through a lateral shifting device, and a fork frame is rotatably arranged on the front end of the moving arm through a rotating device, and an upper guide rail and a lower guide rail are arranged on the upper and lower ends of the tool frame, and an upper rack and a lower rack are arranged on the upper and lower sides of the front side of the tool frame, respectively, and the lateral shifting device comprises a mobile hydraulic motor, a gear shaft, a pulley, and a supporting wheel, and the gear shaft is arranged at the rear end of the moving arm and is perpendicular to the upper rack and the lower rack, and an upper auxiliary gear and a lower auxiliary gear are arranged on the gear shaft, which are respectively meshed with the upper rack and the lower rack, and there are four pulleys, and the four pulleys are respectively horizontally arranged in pairs at the upper and lower sides of the end of the moving arm and are respectively rollingly connected with the upper guide rail and the lower guide rail, and there are two supporting wheels, and the two supporting wheels are vertically arranged at the middle position of the end of the moving arm and are rollingly connected with the position of the tool frame near the lower rack.

[0005] Preferably, a hanger for mounting the accessory frame is provided on the rear side of the accessory frame.

[0006] Preferably, the movable hydraulic motor is arranged on the movable arm and a driving gear is provided at the output end, and a driven gear meshing with the driving gear is sleeved on the gear shaft.

[0007] Preferably, the attachment frame is provided with limit blocks on both sides of the upper guide rail.

[0008] Preferably, the rotating device comprises a steering hydraulic motor, which is vertically arranged at the front end of the movable arm, and the fork frame is connected to the output shafts at the upper and lower ends of the steering hydraulic motor.

[0009] The utility model arranges a hanger on the rear side of the attachment frame for easy installation, and the movable arm is slidably installed on the upper guide rail and the lower guide rail of the attachment frame through pulleys and supporting wheels, and upper auxiliary gears and lower auxiliary gears are arranged to mesh with the upper rack and the lower rack, and then the upper auxiliary gear and the lower auxiliary gear are actively rotated by the mobile hydraulic motor to drive the movable arm to slide on the attachment frame, and a fork frame is installed on the movable arm through the steering hydraulic motor, so as to facilitate the rotation of the fork frame and the movement of the movable arm; the utility model has the advantages of simple structure, reasonable design, small size, simple operation, large output torque, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model.

[0011] In the figure: 1. upper guide rail; 2. limit block; 3. attachment frame; 4. lower guide rail; 5. lower rack; 6. support wheel; 7. lower auxiliary gear; 8. gear shaft; 9. moving arm; 10. steering hydraulic motor; 11. fork frame; 12. moving hydraulic motor; 13. driving gear; 14. upper rack; 15. driven gear; 16. upper auxiliary gear; 17. pulley; 18. bracket. DETAILED DESCRIPTION

[0012] The technical solution of the utility model is further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0013] Example:

[0014] like Figure 1 A three-way stacking fork shown in the figure comprises an attachment frame 3, the rear side of which is provided with a bracket 18 for mounting the attachment frame 3; a movable arm 9 is movably provided on the front side of the attachment frame 3 via a side shift device, and a fork frame 11 is rotatably provided at the front end of the movable arm 9 via a rotating device.

[0015] The upper and lower ends of the attachment frame 3 are respectively provided with an upper guide rail 1 and a lower guide rail 4, and the upper and lower sides of the front side of the attachment frame 3 are respectively provided with an upper rack 14 and a lower rack 5. The side shift device includes a mobile hydraulic motor 12, a gear shaft 8, a pulley 17, and a support wheel 6. The gear shaft 8 is arranged at the rear end of the mobile arm 9 and is perpendicular to the upper rack 14 and the lower rack 5. The gear shaft 8 is provided with an upper auxiliary gear 16 and a lower auxiliary gear 7 that mesh with the upper rack 14 and the lower rack 5, respectively. There are four pulleys 17, and the four pulleys 17 are provided. The pulleys 17 are horizontally arranged in pairs at the upper and lower sides of the end of the moving arm 9 and are respectively rollingly connected to the upper guide rail 1 and the lower guide rail 4. There are two support wheels 6, and the two support wheels 6 are vertically arranged in the middle position of the end of the moving arm 9 and are rollingly connected to the attachment frame 3 near the lower rack 5. The mobile hydraulic motor 12 is arranged on the moving arm 9 and a driving gear 13 is provided at the output end. A driven gear 15 meshing with the driving gear 13 is sleeved on the gear shaft 8; the attachment frame 3 is provided with limit blocks 2 on both sides of the upper guide rail 1.

[0016] The rotating device comprises a steering hydraulic motor 10 , which is vertically arranged at the front end of the moving arm 9 , and the fork frame 11 is connected to the output shafts at the upper and lower ends of the steering hydraulic motor 10 .

[0017] The utility model is provided with a hanger 18 on the rear side of the attachment frame 3 for easy installation. The movable arm 9 is slidably installed on the upper guide rail 1 and the lower guide rail 4 of the attachment frame 3 through the pulley 17 and the support wheel 6, and an upper auxiliary gear 16 and a lower auxiliary gear 7 are provided to mesh with the upper rack 14 and the lower rack 5. The upper auxiliary gear 16 and the lower auxiliary gear 7 are actively rotated by the mobile hydraulic motor 12 to drive the movable arm 9 to slide on the attachment frame 3, and a fork frame 11 is installed on the movable arm 9 through the steering hydraulic motor 10, so as to facilitate the rotation of the fork frame 11 and the movement of the movable arm 9.

[0018] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. A three-way stacking fork, comprising an attachment frame (3), characterized in that: The front side of the attachment frame (3) is provided with a movable arm (9) which is movable by a side shifting device, and the front end of the movable arm (9) is provided with a fork frame (11) which is rotatably arranged by a rotating device. The upper and lower ends of the attachment frame (3) are provided with an upper guide rail (1) and a lower guide rail (4), respectively. The upper and lower sides of the front side of the attachment frame (3) are provided with an upper rack (14) and a lower rack (5), respectively. The side shifting device comprises a movable hydraulic motor (12), a gear shaft (8), a pulley (17), and a support wheel (6). The gear shaft (8) is arranged at the rear end of the movable arm (9) and is connected to the upper rack (14). and the lower rack (5) are arranged perpendicularly to each other. The gear shaft (8) is provided with an upper auxiliary gear (16) and a lower auxiliary gear (7) respectively meshing with the upper rack (14) and the lower rack (5). There are four pulleys (17). The four pulleys (17) are respectively arranged horizontally on the upper and lower sides of the end of the moving arm (9) in pairs and are respectively connected to the upper guide rail (1) and the lower guide rail (4) in a rolling manner. There are two support wheels (6). The two support wheels (6) are vertically arranged at the middle position of the end of the moving arm (9) and are connected to the attachment frame (3) near the lower rack (5) in a rolling manner.

2. The three-way stacking fork according to claim 1, characterized in that: A hanger (18) for mounting the accessory frame (3) is provided on the rear side of the accessory frame (3).

3. The three-way stacking fork according to claim 1, characterized in that: The movable hydraulic motor (12) is arranged on the movable arm (9) and has a driving gear (13) at its output end. The gear shaft (8) is sleeved with a driven gear (15) meshing with the driving gear (13).

4. The three-way stacking fork according to claim 1, characterized in that: The attachment frame (3) is provided with limit blocks (2) on both sides of the upper guide rail (1).

5. The three-way stacking fork according to claim 1, characterized in that: The rotating device comprises a steering hydraulic motor (10), the steering hydraulic motor (10) being vertically arranged at the front end of the movable arm (9), and the fork frame (11) being connected to the output shafts at the upper and lower ends of the steering hydraulic motor (10).

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