A forklift steering device

Abstract

The present invention discloses a forklift steering device, comprising a connecting plate, a steering assembly arranged at the top of the connecting plate, an auxiliary assembly arranged at the right side of the top of the connecting plate, and a wheel shifting assembly arranged at the bottom of the connecting plate, wherein the top of the auxiliary assembly is fixedly connected with a card box, the right side of the bottom of the inner cavity of the card box is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating rod, the surface of the rotating rod is sleeved with a circular gear, the back of the inner cavity of the card box is movably connected with a semicircular gear through a rotating shaft, and the right side of the semicircular gear is meshed with the circular gear. The present invention fixes the position of the steering assembly by setting a slider and a locking plate to avoid shaking, and then by setting a longitudinal plate and a card block, the wheel shifting assembly is dropped off, so that it is easy to replace the wheel shifting assembly, replacing the previous structure in which the steering assembly is not locked, greatly improving the stability of the steering assembly, and increasing the service life of the steering assembly.

Description

Technical Field

[0001] The invention relates to the technical field of forklifts, in particular to a forklift steering device. Background Art

[0002] A forklift is an industrial handling vehicle, which refers to various wheeled handling vehicles that are used for loading and unloading, stacking and short-distance transportation of palletized goods; turning means changing the direction of travel.

[0003] The forklift steering device is a component used by the forklift to change direction. However, the steering wheel of the existing forklift steering device can continue to rotate when it is idle and cannot be automatically locked, which greatly increases its safety hazards.

[0004] Therefore, it is necessary to redesign the forklift steering device to effectively prevent the phenomenon that it cannot be automatically locked. Summary of the invention

[0005] In order to solve the problems raised in the above background technology, the purpose of the present invention is to provide a forklift steering device, which has the advantage of being able to lock automatically and solves the problem of being unable to lock automatically.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a forklift steering device, comprising a connecting plate;

[0007] A steering assembly disposed on the top of the connecting plate;

[0008] An auxiliary component provided on the right side of the top of the connecting plate;

[0009] A shift wheel assembly arranged at the bottom of the connecting plate;

[0010] The top of the auxiliary component is fixedly connected with a card box, the right side of the bottom of the inner cavity of the card box is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating rod, the surface of the rotating rod is sleeved with a circular gear, the back side of the inner cavity of the card box is movably connected with a semicircular gear through a rotating shaft, the right side of the semicircular gear is meshed with the circular gear, the front side of the semicircular gear is fixedly connected with a cam, the left side of the cam surface is fixedly connected with a rotating pin, the surface of the rotating pin is sleeved with a transmission frame, the top of the transmission frame is fixedly connected with a slider, the top of the slider is slidably connected to the inner wall of the card box, the top of the slider is slidably connected to the inner wall of the card box, the left side of the transmission frame is fixedly connected with a locking plate, the left side of the locking plate penetrates into the interior of the steering assembly, and both sides of the top of the connecting plate are fixedly connected with structures for disassembling the wheel assembly. The structure for disassembling the shift wheel assembly comprises a fixing box that is fixedly connected to both sides of the top of the connecting plate, the left side of the top of the inner cavity of the fixing box is fixedly connected to a small motor, the output end of the small motor is fixedly connected to a screw, the bottom threaded connection of the screw surface is a screw block, the inner side of the screw block is fixedly connected to a wheel rod, the inner side of the wheel rod is slidably connected to a triangular block, the outer side of the triangular block is fixedly connected to a vertical plate, the top of the vertical plate is slidably connected to the inner wall of the fixing box, the bottom of the vertical plate is fixedly connected to a horizontal plate, the inner side of the bottom of the horizontal plate is fixedly connected to a longitudinal plate, the bottom of the longitudinal plate passes through the bottom of the connecting plate, the bottom of the inner side of the longitudinal plate is fixedly connected to a card block, the inner side of the card block passes through the interior of the shift wheel assembly, the outer side of the motor is fixedly connected to a connecting block, and the right side of the connecting block is fixedly connected to the inner wall of the card box.

[0011] As a preferred embodiment of the present invention, a slide groove is opened on the left side of the top of the card box, and the top of the slider is slidably connected to the inside of the slide groove. A vertical groove is opened on the top of the left side of the card box, and the vertical groove is used in conjunction with a locking plate. A slide rod is fixedly connected to the bottom of the transmission frame, and the bottom of the slide rod is slidably connected to the inner wall of the card box.

[0012] As a preferred embodiment of the present invention, a slide rail is opened on the left side of the bottom of the inner cavity of the card box, the bottom of the slide rod is slidably connected to the inside of the slide rail, the left side of the slide rod is fixedly connected to a buffer tube, and the left side of the buffer tube is fixedly connected to the inner wall of the card box.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The present invention fixes the position of the steering assembly by setting a slider and a tightening plate to avoid shaking, and then the wheel assembly is detached by setting a longitudinal plate and a clamping block, so that it is easy to replace the wheel assembly, replacing the previous structure that does not lock the steering assembly, greatly improving the stability of the steering assembly and increasing the service life of the steering assembly.

[0015] 2. The present invention can make the wheel moving assembly more convenient to disassemble and replace, and at the same time increase its disassembly efficiency through the arrangement of a fixing box, a small motor, a screw rod, a screw block, a wheel rod, a triangular block, a vertical plate, a horizontal plate, a longitudinal plate and a clamping block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention;

[0017] Figure 2 The structure of the present invention Figure 1 The structure diagram at A is enlarged;

[0018] Figure 3 It is a front cross-sectional view of the card box of the present invention;

[0019] Figure 4 It is a front cross-sectional view of the fixing box of the present invention;

[0020] Figure 5 The structure of the present invention Figure 4 The structure diagram at B is enlarged;

[0021] Figure 6 It is a three-dimensional diagram of the local structure of the present invention.

[0022] In the figure: 1. connecting plate; 2. steering assembly; 3. auxiliary assembly; 4. wheel shifting assembly; 5. card box; 6. motor; 7. rotating rod; 8. circular gear; 9. semicircular gear; 10. cam; 11. rotating pin; 12. transmission frame; 13. slider; 14. locking plate; 15. fixing box; 16. small motor; 17. screw rod; 18. screw block; 19. wheel rod; 20. triangular block; 21. vertical plate; 22. horizontal plate; 23. longitudinal plate; 24. card block; 25. connecting block; 26. slide groove; 27. vertical groove; 28. slide rod; 29. ​​slide rail; 30. buffer tube. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] like Figures 1 to 6 As shown, a forklift steering device provided by the present invention includes a connecting plate 1;

[0025] A steering assembly 2 disposed on the top of the connecting plate 1;

[0026] An auxiliary component 3 is arranged on the top right side of the connecting plate 1;

[0027] A shifting wheel assembly 4 is arranged at the bottom of the connecting plate 1;

[0028] The top of the auxiliary component 3 is fixedly connected with a card box 5, and the right side of the bottom of the inner cavity of the card box 5 is fixedly connected with a motor 6, and the output end of the motor 6 is fixedly connected with a rotating rod 7, and the surface of the rotating rod 7 is sleeved with a circular gear 8. The back of the inner cavity of the card box 5 is movably connected with a semicircular gear 9 through a rotating shaft, and the right side of the semicircular gear 9 is meshed with the circular gear 8. The front of the semicircular gear 9 is fixedly connected with a cam 10, and the left side of the surface of the cam 10 is fixedly connected with a rotating pin 11, and the surface of the rotating pin 11 is sleeved with a transmission frame 12, and the top of the transmission frame 12 is fixedly connected with a slider 13, and the top of the slider 13 is slidably connected to the inner wall of the card box 5, and the top of the slider 13 is slidably connected to the inner wall of the card box 5, and the left side of the locking plate 14 is fixedly connected to the left side of the transmission frame 12, and the left side of the locking plate 14 passes through the interior of the steering assembly 2, and both sides of the top of the connecting plate 1 are fixedly connected with a structure for disassembling the shift wheel assembly 4, which is used for the shift wheel assembly 4 The disassembly structure is a fixed box 15 fixedly connected to both sides of the top of the connecting plate 1, a small motor 16 is fixedly connected to the left side of the top of the inner cavity of the fixed box 15, a screw 17 is fixedly connected to the output end of the small motor 16, a screw block 18 is threadedly connected to the bottom of the surface of the screw 17, a wheel rod 19 is fixedly connected to the inner side of the screw block 18, a triangular block 20 is slidably connected to the inner side of the wheel rod 19, a vertical plate 21 is fixedly connected to the outer side of the triangular block 20, the top of the vertical plate 21 is slidably connected to the inner wall of the fixed box 15, a horizontal plate 22 is fixedly connected to the bottom of the vertical plate 21, a longitudinal plate 23 is fixedly connected to the inner side of the bottom of the horizontal plate 22, the bottom of the longitudinal plate 23 passes through the bottom of the connecting plate 1, a card block 24 is fixedly connected to the bottom of the inner side of the longitudinal plate 23, the inner side of the card block 24 passes through the inside of the wheel moving assembly 4, a connecting block 25 is fixedly connected to the outer side of the motor 6, and the right side of the connecting block 25 is fixedly connected to the inner wall of the card box 5.

[0029] As a technical optimization scheme of the present invention, by setting the fixing box 15, the small motor 16, the screw 17, the screw block 18, the wheel rod 19, the triangular block 20, the vertical plate 21, the horizontal plate 22, the longitudinal plate 23 and the clamping block 24, the wheel moving assembly 4 can be more conveniently disassembled and replaced, and the disassembly efficiency is increased. By setting the connecting block 25, the motor 6 can operate more stably and avoid the phenomenon of deviation.

[0030] refer to Figure 3 A slide groove 26 is opened on the left side of the top of the card box 5, and the top of the slider 13 is slidably connected to the inside of the slide groove 26. A vertical groove 27 is opened on the top of the left side of the card box 5, and the vertical groove 27 is used in conjunction with the locking plate 14. A slide rod 28 is fixedly connected to the bottom of the transmission frame 12, and the bottom of the slide rod 28 is slidably connected to the inner wall of the card box 5.

[0031] As a technical optimization solution of the present invention, through the setting of the slide groove 26, the slider 13 can slide more smoothly inside the card box 5, reducing the friction between the two. Through the setting of the vertical groove 27, the locking plate 14 can move more smoothly to avoid jamming. Through the setting of the slide rod 28, the transmission frame 12 can move more stably to avoid shaking.

[0032] refer to Figure 3 A slide rail 29 is provided on the left side of the bottom of the inner cavity of the card box 5, the bottom of the slide rod 28 is slidably connected to the inside of the slide rail 29, the left side of the slide rod 28 is fixedly connected to a buffer tube 30, and the left side of the buffer tube 30 is fixedly connected to the inner wall of the card box 5.

[0033] As a technical optimization solution of the present invention, the setting of the slide rail 29 can make the slide rod 28 move more smoothly and increase its overall stability. The setting of the buffer tube 30 can make the slide rod 28 move more stably and have a buffering effect.

[0034] The working principle and use process of the present invention are as follows: first, when the user needs to lock the steering assembly 2, the output end of the motor 6 drives the rotating rod 7 to rotate, the rotating rod 7 drives the circular gear 8 to rotate, the circular gear 8 drives the semicircular gear 9 to rotate, the semicircular gear 9 drives the cam 10 to rotate, the cam 10 drives the rotating pin 11 to rotate, the rotating pin 11 drives the transmission frame 12 to move to the left, the transmission frame 12 drives the locking plate 14 to move to the left, so that the locking plate 14 penetrates into the interior of the steering assembly 2, so that the position of the steering assembly 2 can be fixed, so that it can be automatically The steering assembly 2 is dynamically locked, and then the small motor 16 is started when the wheel assembly 4 needs to be replaced. The output end of the small motor 16 drives the screw 17 to rotate, the screw 17 drives the screw block 18 to move upward, the screw block 18 drives the wheel rod 19 to move upward, the wheel rod 19 drives the triangular block 20 to move outward, the triangular block 20 drives the vertical plate 21 and the horizontal plate 22 to move outward, the horizontal plate 22 drives the longitudinal plate 23 and the block 24 to move outward, so that the block 24 is separated from the interior of the moving assembly 4, so as to achieve the effect of facilitating the disassembly and replacement of the wheel assembly 4.

[0035] In summary, the forklift steering device fixes the position of the steering assembly 2 by means of the slider 13 and the tightening plate 14 to avoid shaking, and then the wheel assembly 4 is detached by means of the longitudinal plate 23 and the clamping block 24 to facilitate replacement of the wheel assembly 4, thereby replacing the previous structure in which the steering assembly 2 is not locked, thereby greatly improving the stability of the steering assembly 2 and increasing the service life of the steering assembly 2.

[0036] 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.

[0037] 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 steering device, comprising a connecting plate (1); A steering assembly (2) arranged on the top of the connecting plate (1); An auxiliary component (3) arranged on the top right side of the connecting plate (1); A shifting wheel assembly (4) arranged at the bottom of the connecting plate (1); Features: The top of the auxiliary component (3) is fixedly connected to a card box (5), the right side of the bottom of the inner cavity of the card box (5) is fixedly connected to a motor (6), the output end of the motor (6) is fixedly connected to a rotating rod (7), the surface of the rotating rod (7) is sleeved with a circular gear (8), the back of the inner cavity of the card box (5) is movably connected to a semicircular gear (9) through a rotating shaft, the right side of the semicircular gear (9) is meshed with the circular gear (8), the front side of the semicircular gear (9) is fixedly connected to a cam (10), and the left side of the surface of the cam (10) is fixedly connected to a rotating pin (11), The surface of the rotating pin (11) is sleeved with a transmission frame (12), the top of the transmission frame (12) is fixedly connected with a slider (13), the top of the slider (13) is slidably connected to the inner wall of the card box (5), the top of the slider (13) is slidably connected to the inner wall of the card box (5), the left side of the transmission frame (12) is fixedly connected with a locking plate (14), the left side of the locking plate (14) penetrates into the interior of the steering assembly (2), and both sides of the top of the connecting plate (1) are fixedly connected with structures for disassembling the shifting wheel assembly (4) for disassembling the shifting wheel assembly (4). 4) The disassembly structure is a fixed box (15) fixedly connected to both sides of the top of the connecting plate (1), a small motor (16) is fixedly connected to the left side of the top of the inner cavity of the fixed box (15), a screw rod (17) is fixedly connected to the output end of the small motor (16), a screw block (18) is threadedly connected to the bottom of the surface of the screw rod (17), a wheel rod (19) is fixedly connected to the inner side of the screw block (18), a triangular block (20) is slidably connected to the inner side of the wheel rod (19), a vertical plate (21) is fixedly connected to the outer side of the triangular block (20), and the vertical plate The top of the vertical plate (21) is slidably connected to the inner wall of the fixed box (15); the bottom of the vertical plate (21) is fixedly connected to the horizontal plate (22); the inner side of the bottom of the horizontal plate (22) is fixedly connected to the longitudinal plate (23); the bottom of the longitudinal plate (23) passes through the bottom of the connecting plate (1); the bottom of the inner side of the longitudinal plate (23) is fixedly connected to a clamping block (24); the inner side of the clamping block (24) passes through the interior of the shifting wheel assembly (4); the outer side of the motor (6) is fixedly connected to a connecting block (25); the right side of the connecting block (25) is fixedly connected to the inner wall of the clamping box (5).

2. A forklift steering device according to claim 1, characterized in that: A slide groove (26) is provided on the left side of the top of the card box (5), and the top of the slider (13) is slidably connected to the inside of the slide groove (26). A vertical groove (27) is provided on the top of the left side of the card box (5), and the vertical groove (27) is used in conjunction with the locking plate (14). A slide rod (28) is fixedly connected to the bottom of the transmission frame (12), and the bottom of the slide rod (28) is slidably connected to the inner wall of the card box (5).

3. A forklift steering device according to claim 2, characterized in that: A slide rail (29) is provided on the left side of the bottom of the inner cavity of the card box (5); the bottom of the slide rod (28) is slidably connected to the inside of the slide rail (29); the left side of the slide rod (28) is fixedly connected to a buffer tube (30); and the left side of the buffer tube (30) is fixedly connected to the inner wall of the card box (5).

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