Forklift pallet fork rotating device

Abstract

The utility model discloses a forklift pallet fork rotating device which comprises a supporting frame, pallet forks are installed on the two sides of the supporting frame in a sliding mode, a supporting plate is arranged at the bottom of the supporting frame, a first motor is fixedly installed at the bottom of the supporting plate, and the output end of the first motor penetrates through the supporting plate to be fixedly connected with a connecting shaft. The top end of the connecting shaft penetrates through the supporting plate to be fixedly connected with the bottom of the supporting frame, a supporting frame is arranged on the outer side of the supporting plate, the supporting plate is slidably installed in the supporting frame, and a moving mechanism is arranged between the supporting frame and the supporting plate. When the pallet fork is used for rotating, the supporting plate is firstly driven by the moving mechanism to move forwards, the supporting frame and the pallet fork are driven to move forwards, when the distance between the supporting frame and the forklift body is a certain distance, the first motor is started, the output end of the first motor drives the connecting shaft to rotate, and therefore the supporting frame and the pallet fork are driven to rotate, and rotation of the pallet fork is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift forks, in particular to a forklift fork rotating device. Background Art

[0002] As a common cargo handling device, forklifts are widely used in all walks of life. They are mainly composed of a fork frame with a fork arm and a lifting mechanism that drives the fork frame to rise and fall. When in use, the fork arm is inserted into the bottom of the cargo, and the fork arm is driven up by the lifting mechanism to lift the cargo for handling. This efficient handling method has greatly improved the production efficiency of industries such as logistics and warehousing.

[0003] The background technology of a forklift fork rotation device covers the application scenarios of forklifts, the limitations of existing technologies, and the requirements and technical implementation of the rotation device. The emergence of this device not only solves some problems of traditional forklifts in the handling process, but also improves work efficiency and safety.

[0004] The existing forklift forks use the forks to move goods, but in certain specific scenarios, such as when moving goods in a narrow space, the narrow space is not enough for the forklift to have sufficient moving space, and the body of the forklift cannot be straightened so that the forklift can move the goods directly. In this case, the fork needs to be rotated so that the fork can face the front of the goods, and the goods can be moved. After the goods are moved out of the narrow space, the body of the forklift can be adjusted. However, the fork of the forklift is generally close to the forklift body, which is not convenient for a large angle rotation. Generally, the fork needs to be extended a certain distance before rotation. Utility Model Content

[0005] The object of the present invention is to provide a forklift fork rotating device to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a forklift fork rotation device, including a support frame, forks are slidably installed on both sides of the support frame, a support plate is provided at the bottom of the support frame, a first motor is fixedly installed at the bottom of the support plate, the output end of the first motor passes through the support plate and is fixedly connected with a connecting shaft, the top end of the connecting shaft passes through the support plate and is fixedly connected to the bottom of the support frame, a support frame is provided on the outer side of the support plate, the support plate is slidably installed inside the support frame, and a moving mechanism is provided between the support frame and the support plate.

[0007] As a further description of the above technical solution: the moving mechanism includes a second motor, which is fixedly mounted inside the side wall of the support frame, and the support frame is rotatably connected to a ball screw inside. The output end of the second motor passes through the side wall of the support frame and is fixedly connected to one end of the ball screw. A limit rod is fixedly mounted on the side of the support frame away from the ball screw, and sliders are slidably mounted on both sides of the inner wall of the support frame, one of the sliders is threadedly connected to the ball screw, and the other slider is slidably matched with the limit rod, and the two sliders are respectively fixedly mounted on both sides of the bottom of the support plate.

[0008] As a further description of the above technical solution: the top of the support plate is rotatably connected to a rotating plate, and locking rods are slidably installed on both sides of the top of the rotating plate. The two locking rods are slidably connected to the bottom of the support frame, and the bottom ends of the two locking rods pass through the bottom of the rotating plate and are fixedly connected to a toothed plate. A tooth groove is provided inside the support plate, and the toothed plate and the tooth groove are meshed with each other.

[0009] As a further description of the above technical solution: a third motor is fixedly installed on the bottom of the support plate, and adjusting screws are rotatably connected on both sides of the inside of the support plate. The top ends of the two adjusting screws are threadedly connected to top columns, and the two top columns are slidably installed inside the support plate. The top ends of the two top columns are slidably matched with the bottom of the gear disk, and the output end of the third motor passes through the bottom of the support plate and is fixedly connected to one of the adjusting screws.

[0010] As a further description of the above technical solution: gears are fixedly installed on the bottom ends of the two adjusting screws, and a gear ring is rotatably installed on the bottom of the support plate, and the gear ring is meshed with the two gears.

[0011] As a further description of the above technical solution: a sliding rod is fixedly installed on the top of the support frame, and the two forks are slidably matched with the sliding rod. Cylinders are fixedly installed on both sides of the support frame, and the output ends of the two cylinders are respectively fixedly connected to the side walls of the two forks.

[0012] The utility model provides a forklift fork rotating device. It has the following beneficial effects: when the fork is used for rotation, the support plate is first driven forward by the moving mechanism, and the support frame and the fork are driven forward. When the support frame is away from one end of the forklift body, the first motor is turned on, and the output end of the first motor drives the connecting shaft to rotate, thereby driving the support frame and the fork to rotate, and realizing the rotation of the fork.

[0013] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0014] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a forklift fork rotating device proposed by the utility model;

[0016] Figure 2 A schematic diagram of a three-dimensional structure of the utility model from another viewing angle;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the mobile mechanism of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional cross-sectional structure of the support plate of the utility model;

[0019] Figure 5 This is a schematic diagram of the main cross-sectional structure of the support plate of the utility model.

[0020] Legend:

[0021] 1. Support frame; 2. Fork; 3. Support plate; 4. First motor; 5. Connecting shaft; 6. Support frame; 7. Ball screw; 8. Slider; 9. Second motor; 10. Rotating plate; 11. Tooth plate; 12. Tooth groove; 13. Locking rod; 15. Push column; 16. Adjusting screw; 17. Gear; 18. Third motor; 19. Slider; 20. Cylinder. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-5, a forklift fork rotating device comprises a support frame 1, both sides of the support frame 1 are slidably mounted with forks 2, a support plate 3 is arranged at the bottom of the support frame 1, a first motor 4 is fixedly mounted at the bottom of the support plate 3, an output end of the first motor 4 passes through the support plate 3 and is fixedly connected with a connecting shaft 5, a top end of the connecting shaft 5 passes through the support plate 3 and is fixedly connected to the bottom of the support frame 1, a support frame 6 is arranged on the outside of the support plate 3, the support plate 3 is slidably mounted inside the support frame 6, a moving mechanism is arranged between the support frame 6 and the support plate 3; when the fork 2 is used to rotate, the support plate 3 is first driven forward by the moving mechanism, and the support frame 1 and the fork 2 are driven forward, and when the support frame 1 is away from one end of the forklift body, the first motor 4 is turned on, and the output end of the first motor 4 drives the connecting shaft 5 to rotate, thereby driving the support frame 1 and the fork 2 to rotate, thereby realizing the rotation of the fork 2.

[0024] As a preferred technical solution of this embodiment, the moving mechanism includes a second motor 9, which is fixedly mounted inside the side wall of the support frame 6, and the support frame 6 is rotatably connected to a ball screw 7 inside. The output end of the second motor 9 passes through the side wall of the support frame 6 and is fixedly connected to one end of the ball screw 7. A limit rod (not shown in the figure) is fixedly mounted on the side of the support frame 6 away from the ball screw 7. Slide blocks 8 are slidably mounted on both sides of the inner wall of the support frame 6, one of the slide blocks 8 is threadedly connected to the ball screw 7, and the other slide block 8 is slidably matched with the limit rod. The two slide blocks 8 are respectively fixedly mounted on both sides of the bottom of the support plate 3; when the support plate 3 is moved, the second motor 9 is turned on, and the output end of the second motor 9 drives the ball screw 7 to rotate, so that the two slide blocks 8 can move along the direction of the ball screw 7, driving the support plate 3 to move inside the support frame 6. The support frame 6 of this device is fixedly mounted on the forklift body. When the support plate 3 moves to the other end of the support frame 6, the support frame 1 and the fork 2 are away from the forklift, so that the fork 2 can rotate.

[0025] As a preferred technical solution of this embodiment, the top of the support plate 3 is rotatably connected with a rotating piece 10, and locking rods 13 are slidably installed on both sides of the top of the rotating piece 10. The two locking rods 13 are slidably connected to the bottom of the support frame 1, and the bottom ends of the two locking rods 13 pass through the bottom of the rotating piece 10 and are fixedly connected with a toothed disc 11. The interior of the support plate 3 is provided with a toothed groove 12, and the toothed disc 11 and the toothed groove 12 are meshed with each other; after the motor drives the support frame 1 and the fork 2 to rotate, the support frame 1 is kept fixed in rotation angle only by the single fixed point of the connecting shaft 5 and the first motor 4, which has low stability and may be damaged in the event of a sudden impact. Motor 4, therefore two locking rods 13 are provided to lock the support frame 1. When the support frame 1 needs to be locked, the toothed disc 11 and the two locking rods 13 are moved upward, so that the toothed disc 11 is engaged with the tooth groove 12, so that the two locking rods 13 are fixed together with the support plate 3, and the support frame 1 is locked in position. When the support frame 1 needs to be rotated, the toothed disc 11 is moved, so that the toothed disc 11 moves downward, the toothed disc 11 is disengaged from the tooth groove 12, and enters the internal cavity of the support plate 3, and can rotate freely. The locking rods 13 are always slidably connected to the inside of the support frame 1, so as to ensure that the support frame 1 can be locked at any time. By adding two locking rods 13 to lock the support frame 1, the stability of the device is increased.

[0026] As a preferred technical solution of this embodiment, a third motor 18 is fixedly installed at the bottom of the support plate 3, and adjusting screws 16 are rotatably connected on both sides of the inside of the support plate 3. The top ends of the two adjusting screws 16 are threadedly connected with top columns 15, and the two top columns 15 are slidably installed inside the support plate 3. The top ends of the two top columns 15 are slidably matched with the bottom of the toothed disk 11, and the output end of the third motor 18 passes through the bottom of the support plate 3 and is fixedly connected to one of the adjusting screws 16; by turning on the third motor 18, the output end of the third motor 18 drives the adjusting screw 16 to rotate, drives the top column 15 to rise and fall, and drives the toothed disk 11 and the locking rod 13 to rise and fall.

[0027] As the preferred technical solution of this embodiment, gears 17 are fixedly installed at the bottom ends of the two adjusting screws 16, and a gear ring (not shown in the figure) is rotatably installed at the bottom of the support plate 3, and the gear ring is meshed with the two gears 17; when the third motor 18 is started, it drives one of the adjusting screws 16 and the gear 17 to rotate, and drives the other adjusting screw 16 and the gear 17 to rotate through the gear ring transmission, driving the two top columns 15 to rise and fall. By setting the gear ring, the number of installed motors can be reduced.

[0028] As a preferred technical solution of this embodiment, a slide bar 19 is fixedly installed on the top of the support frame 1, and the two forks 2 are slidably matched with the slide bar 19. Cylinders 20 are fixedly installed on both sides of the inside of the support frame 1, and the output ends of the two cylinders 20 are respectively fixedly connected to the side walls of the two forks 2; during the use of the forks 2, the two forks 2 can be driven to move by the cylinders 20 to adjust the distance between the forks 2.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A forklift fork rotating device, comprising a support frame (1), characterized in that: Forks (2) are slidably mounted on both sides of the support frame (1); a support plate (3) is arranged at the bottom of the support frame (1); a first motor (4) is fixedly mounted at the bottom of the support plate (3); an output end of the first motor (4) passes through the support plate (3) and is fixedly connected to a connecting shaft (5); a top end of the connecting shaft (5) passes through the support plate (3) and is fixedly connected to the bottom of the support frame (1); a support frame (6) is arranged on the outside of the support plate (3); the support plate (3) is slidably mounted inside the support frame (6); and a moving mechanism is arranged between the support frame (6) and the support plate (3).

2. A forklift fork rotating device according to claim 1, characterized in that: The moving mechanism comprises a second motor (9), the second motor (9) is fixedly mounted inside the side wall of the support frame (6), the support frame (6) is rotatably connected to a ball screw (7), the output end of the second motor (9) passes through the side wall of the support frame (6) and is fixedly connected to one end of the ball screw (7), a limit rod is fixedly mounted on the side of the support frame (6) away from the ball screw (7), and sliders (8) are slidably mounted on both sides of the inner wall of the support frame (6), one of the sliders (8) is threadedly connected to the ball screw (7), and the other slider (8) is slidably matched with the limit rod, and the two sliders (8) are respectively fixedly mounted on both sides of the bottom of the support plate (3).

3. A forklift fork rotating device according to claim 2, characterized in that: The top of the support plate (3) is rotatably connected to a rotating piece (10), and locking rods (13) are slidably installed on both sides of the top of the rotating piece (10). The two locking rods (13) are slidably connected to the bottom of the support frame (1), and the bottom ends of the two locking rods (13) pass through the bottom of the rotating piece (10) and are fixedly connected to a toothed disc (11). A tooth groove (12) is arranged inside the support plate (3), and the toothed disc (11) and the tooth groove (12) are meshed with each other.

4. A forklift fork rotating device according to claim 3, characterized in that: A third motor (18) is fixedly mounted at the bottom of the support plate (3); adjusting screws (16) are rotatably connected to the two sides of the support plate (3); the top ends of the two adjusting screws (16) are threadedly connected to top posts (15); the two top posts (15) are slidably mounted inside the support plate (3); the top ends of the two top posts (15) are slidably matched with the bottom of the toothed disc (11); and the output end of the third motor (18) passes through the bottom of the support plate (3) and is fixedly connected to one of the adjusting screws (16).

5. The forklift fork rotating device according to claim 4, characterized in that: The bottom ends of the two adjusting screws (16) are fixedly mounted with gears (17), and the bottom of the support plate (3) is rotatably mounted with a gear ring, which meshes with the two gears (17); when the third motor (18) is started, it drives one of the adjusting screws (16) and the gear (17) to rotate, and drives the other adjusting screw (16) and the gear (17) to rotate through the gear ring transmission, thereby driving the two top columns (15) to move up and down.

6. The forklift fork rotating device according to claim 4, characterized in that: A slide bar (19) is fixedly mounted on the top of the support frame (1), and the two forks (2) are slidably matched with the slide bar (19). Cylinders (20) are fixedly mounted on both sides of the support frame (1), and the output ends of the two cylinders (20) are respectively fixedly connected to the side walls of the two forks (2).

Images