Forklift pallet fork adjusting device

Abstract

The utility model discloses a forklift pallet fork adjusting device which comprises a connecting frame, moving blocks are arranged on the two sides of the connecting frame in a sliding mode, pallet forks are arranged on the side walls of the two moving blocks, connecting rings are fixedly installed on the inner walls of the two sides of the two moving blocks, and limiting mechanisms are arranged in the connecting rings. Connecting columns are slidably connected to the two side walls of the pallet fork, one ends of the two connecting columns are arranged in the connecting ring, and an adjusting mechanism is arranged in the connecting frame. When the pallet fork is moved and used for transferring heavy objects, the pallet fork can move in the radial direction with the ball screw under the action of the heavy objects, and when the pallet fork moves in the radial direction, due to the fact that the outer diameter of the connecting column is smaller than the inner diameter of the connecting ring, when the connecting column slightly moves in the radial direction, the side wall of the connecting column does not make contact with the connecting ring, and the connecting column does not make contact with the connecting ring. Therefore, the radial force caused by the pallet fork cannot completely act on the moving block.

Description

Technical Field

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

[0002] Forklift forks are the core components of forklift operations, and they play a vital role in the daily operation of forklifts. With the development of the logistics industry, the design and technology of forklift forks are also constantly improving to meet various complex and delicate handling needs.

[0003] The basic function of forks is to load, unload, move and position goods, which makes them an indispensable logistics tool in warehouses, factories, logistics centers and other places. They not only need to have sufficient strength and durability to cope with vibration, impact and load under various working conditions, but also need to ensure the surface finish to ensure the smooth movement and clean maintenance of goods. In addition, anti-rust and anti-corrosion treatment is also an indispensable part of fork design to ensure its safety and stability in long-term use.

[0004] As forklift technology continues to advance, fork design is also constantly innovating. For example, modern forklift forks may use more advanced materials, such as high-strength alloy steel, to improve their load-bearing capacity and durability. At the same time, some forks are also equipped with intelligent sensors and control systems to achieve more precise cargo handling and positioning.

[0005] In order to facilitate the use of the fork, the existing forklift fork adjustment device adjusts the fork through the adjustment device. Most of the existing adjustment devices are divided into two types. One is to drive the fork to move and adjust the fork by connecting the ball screw to the fork thread, and the other is directly connected to the side wall of the fork through a horizontal cylinder, and the fork is driven to move by the cylinder output end. However, when the fork is transporting heavy objects, the pressure of the objects will generate radial pressure on the ball screw or the cylinder output end, which will cause the adjustment device to be quickly damaged after long-term use. Utility Model Content

[0006] The object of the present invention is to provide a forklift fork adjusting device to solve the above-mentioned deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a forklift fork adjustment device, including a connecting frame, moving blocks are slidably arranged on both sides of the connecting frame, forks are arranged on the side walls of the two moving blocks, connecting rings are fixedly installed on the inner walls of both sides of the two moving blocks, a limiting mechanism is arranged inside the connecting ring, connecting columns are slidably connected to the two side walls of the fork, one end of the two connecting columns is arranged inside the connecting ring, an adjustment mechanism is arranged inside the connecting frame, and the fork is connected to the adjustment mechanism through the connecting frame.

[0008] As a further description of the above technical solution: the limiting mechanism includes two positioning rings, the two positioning rings are both arranged inside the connecting ring, and multiple first mounting grooves are opened on the side walls of the two positioning rings close to each other, and first springs are fixedly installed inside the multiple first mounting grooves, and clamps are arranged at both ends of the two positioning rings, and multiple second mounting grooves are opened on the side walls of the two clamps, and second springs are fixedly installed inside the multiple second mounting grooves, and the two clamps are adapted to the two positioning rings.

[0009] As a further description of the above technical solution: a first motor is fixedly installed inside the fork, the first motor is a dual-output motor, both output ends of the first motor are fixedly connected with adjusting screws, the threads of the two adjusting screws are opposite, and the two connecting columns are respectively threadedly connected to the two adjusting screws.

[0010] As a further description of the above technical solution: a guide groove is provided on the side wall of the positioning ring close to the connecting column, and the radius of the guide groove is greater than the outer diameter of the connecting column.

[0011] As a further description of the above technical solution: the adjusting mechanism includes two ball screws, the two ball screws are rotatably connected inside the connecting frame, the two ball screws are respectively threadedly connected to the two moving blocks, and second motors are fixedly installed inside the two side walls of the connecting frame, and the output ends of the two second motors are respectively fixedly connected to one end of the two ball screws.

[0012] As a further description of the above technical solution: both ends of the connecting frame are fixedly connected with support rods, and both ends of the side walls of the two forks are fixedly installed with sliders, and the sliders are slidably connected to the support rods.

[0013] The utility model provides a forklift fork adjustment device, which has the following beneficial effects: through the cooperation between the positioning ring, the connecting ring and the connecting column, the radial force of the fork transporting heavy objects cannot directly act on the ball screw, the ball screw is protected, and the ball screw is prevented from being damaged and causing a decrease in service life.

[0014] 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.

[0015] 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

[0016] Figure 1This is a schematic diagram of the overall structure of a forklift fork adjustment device proposed by the utility model;

[0017] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of part of the structure of the utility model;

[0018] Figure 3 A schematic diagram of a three-dimensional structure of the utility model from another viewing angle;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the adjustment mechanism of the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional explosion structure of the connecting ring of the utility model.

[0021] Legend:

[0022] 1. Connecting frame; 2. Moving block; 3. Fork; 4. Connecting ring; 5. Connecting column; 6. Adjusting screw; 7. First motor; 8. Clamp; 9. Positioning ring; 10. First mounting groove; 11. First spring; 12. Second mounting groove; 13. Second spring; 14. Guide groove; 15. Ball screw; 16. Second motor; 17. Support rod; 18. Slider. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1 , a forklift fork adjustment device, comprising a connecting frame 1, moving blocks 2 are slidably arranged on both sides of the connecting frame 1, forks 3 are arranged on the side walls of the two moving blocks 2, connecting rings 4 are fixedly installed on the inner walls of both sides of the two moving blocks 2, a limiting mechanism is arranged inside the connecting ring 4, connecting columns 5 are slidably connected to the two side walls of the fork 3, one end of the two connecting columns 5 are arranged inside the connecting ring 4, an adjustment mechanism is arranged inside the connecting frame 1, and the fork 3 is connected to the adjustment mechanism through the connecting frame 1; when the fork 3 is moved, the fork 3 is moved and adjusted by the adjustment mechanism, when the fork 3 is used to transport heavy objects, the fork 3 will move radially with the ball screw 15 under the action of the heavy objects, when the fork 3 moves radially, since the outer diameter of the connecting column 5 is smaller than the inner diameter of the connecting ring 4, when the connecting column 5 moves slightly radially, the side wall of the connecting column 5 does not contact the connecting ring 4, so that the radial force caused by the fork 3 cannot be completely applied to the moving block 2.

[0025] As a preferred technical solution of this embodiment, the limiting mechanism includes two positioning rings 9, the two positioning rings 9 are both arranged inside the connecting ring 4, and multiple first installation grooves 10 are opened on the side walls of the two positioning rings 9 close to each other, and first springs 11 are fixedly installed inside the multiple first installation grooves 10, and clamps 8 are arranged at both ends of the two positioning rings 9, and multiple second installation grooves 12 are opened on the side walls of the two clamps 8, and second springs 13 are fixedly installed inside the multiple second installation grooves 12, and the two clamps 8 and the two positioning rings 9 are adapted to each other; after the connecting column 5 enters the interior of the connecting ring 4, it enters the interior of the positioning ring 9, and the side walls of the two positioning rings 9 are squeezed and contacted with the inner wall of the connecting ring 4, and multiple first springs 11 support the two positioning rings 9, and multiple second springs 13 support the clamp 8, so that the positioning ring 9 is always in the center of the connecting ring 4, and the radial movement of the fork 3 is buffered and limited by the radial movement of the positioning ring 9 inside the connecting ring 4.

[0026] As a preferred technical solution of this embodiment, a first motor 7 is fixedly installed inside the fork 3, and the first motor 7 is a dual-output motor. Adjustment screws 6 are fixedly connected to the two output ends of the first motor 7. The threads of the two adjustment screws 6 are opposite, and the two connecting columns 5 are threadedly connected to the two adjustment screws 6 respectively; by turning on the first motor 7, the two adjustment screws 6 are driven to rotate, and the two connecting columns 5 are driven to enter the connecting ring 4 or exit the connecting ring 4.

[0027] As a preferred technical solution of this embodiment, a guide groove 14 is opened on the side wall of the positioning ring 9 close to the connecting column 5, and the radius of the guide groove 14 is larger than the outer diameter of the connecting column 5; the connecting column 5 is guided by the guide groove 14 to facilitate the connecting column 5 to enter the interior of the positioning ring 9.

[0028] As a preferred technical solution of this embodiment, the adjustment mechanism includes two ball screws 15, which are rotatably connected to the inside of the connecting frame 1, and the two ball screws 15 are respectively threadedly connected to the two moving blocks 2. A second motor 16 is fixedly installed inside the two side walls of the connecting frame 1, and the output ends of the two second motors 16 are respectively fixedly connected to one end of the two ball screws 15; when it is necessary to move the fork 3, by turning on the second motor 16, the output end of the second motor 16 drives the ball screw 15 to rotate, so that the moving block 2 threadedly connected to the ball screw 15 moves inside the connecting frame 1.

[0029] As a preferred technical solution of this embodiment, support rods 17 are fixedly connected to both ends of the connecting frame 1, and sliders 18 are fixedly installed on both ends of the side walls of the two forks 3, and the sliders 18 are slidably connected to the support rods 17; the top and bottom ends of the forks 3 are supported by the two support rods 17, so that when the forks 3 transport heavy objects, the support rods 17 are subjected to greater pressure, thereby protecting the ball screw 15.

[0030] 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.

[0031] 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 (3) adjustment device, comprising a connecting frame (1), characterized in that: Moving blocks (2) are slidably arranged on both sides of the connecting frame (1), and forks (3) are arranged on the side walls of the two moving blocks (2). Connecting rings (4) are fixedly installed on the inner walls of both sides of the two moving blocks (2), and a limiting mechanism is arranged inside the connecting ring (4). Connecting columns (5) are slidably connected on the two side walls of the forks (3), and one end of the two connecting columns (5) is arranged inside the connecting ring (4). An adjustment mechanism is arranged inside the connecting frame (1), and the forks (3) are connected to the adjustment mechanism through the connecting frame (1).

2. A forklift fork (3) adjustment device according to claim 1, characterized in that: The limiting mechanism comprises two positioning rings (9), the two positioning rings (9) are both arranged inside the connecting ring (4), a plurality of first mounting grooves (10) are respectively provided on the side walls of the two positioning rings (9) close to each other, a first spring (11) is respectively fixedly installed inside the plurality of first mounting grooves (10), a clamp (8) is respectively provided at both ends of the two positioning rings (9), a plurality of second mounting grooves (12) are respectively provided on the side walls of the two clamps (8), a second spring (13) is respectively fixedly installed inside the plurality of second mounting grooves (12), and the two clamps (8) and the two positioning rings (9) are adapted to each other.

3. A forklift fork (3) adjustment device according to claim 2, characterized in that: A first motor (7) is fixedly installed inside the fork (3), and the first motor (7) is a double-output motor. Adjustment screws (6) are fixedly connected to the two output ends of the first motor (7), and the threads of the two adjustment screws (6) are opposite to each other. The two connecting columns (5) are respectively threadedly connected to the two adjustment screws (6).

4. A forklift fork (3) adjustment device according to claim 2, characterized in that: A guide groove (14) is provided on the side wall of the positioning ring (9) close to the connecting column (5), and the radius of the guide groove (14) is greater than the outer diameter of the connecting column (5).

5. A forklift fork (3) adjustment device according to claim 4, characterized in that: The adjustment mechanism comprises two ball screws (15), the two ball screws (15) are rotatably connected inside the connecting frame (1), the two ball screws (15) are respectively threadedly connected to the two moving blocks (2), and second motors (16) are fixedly installed inside the two side walls of the connecting frame (1), and the output ends of the two second motors (16) are respectively fixedly connected to one end of the two ball screws (15).

6. A forklift fork (3) adjustment device according to claim 4, characterized in that: Both ends of the connecting frame (1) are fixedly connected to support rods (17), and both ends of the side walls of the two forks (3) are fixedly installed with sliders (18), and the sliders (18) are slidably connected to the support rods (17).

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