Forklift gearbox release fork

Abstract

The utility model discloses a forklift gearbox release fork, which belongs to the technical field of forklift gearboxes and comprises a fulcrum block, and an adjusting mechanism is arranged at the top of the fulcrum block. According to the utility model, the square socket at the end part of the arc-shaped fork body is inserted into the square slot at the end part of the butt joint, and the elastic force of the spring is utilized to drive the fixed pin to be inserted into the jack on the square socket, so that the butt joint and the arc-shaped fork body are connected, and in addition, the outer hexagonal threaded column is rotated to be mounted on the outer side of the outer threaded ring in a threaded manner; and meanwhile, thread mounting and dismounting can be completed by directly and manually rotating the outer hexagonal threaded column, and the outer hexagonal threaded column can be manually pulled to pull the fixing pin, so that the problems that the space in the gearbox is relatively small, and a wrench is inconvenient to extend into the gearbox for dismounting by using a bolt for mounting are solved; and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift gearboxes, and more specifically, to a forklift gearbox release fork. Background Art

[0002] The release fork is a component of the car's gearbox, connected to the shift handle and located at the lower end of the handle. It shifts the middle shift wheel to change the input / output speed ratio. The shift fork is mainly used for the clutch. The release fork is also required on the forklift to control the release bearing on the forklift gearbox for speed regulation.

[0003] After searching, the utility model patent with announcement number CN221097419U discloses a forklift gearbox release fork, including an arc-shaped fork body, a fork body part and a fork head part, the fork body part includes a connecting sleeve, a fulcrum block and a docking joint, the end of the connecting sleeve is provided with a slide groove, the fork head part is slidably connected to the inner wall of the slide groove, the surface of the connecting sleeve is provided with a first fixing bolt, the end of the arc-shaped fork body is provided with a docking socket, both sides of the docking joint are fixedly connected with internal plugs, and the internal plug and the docking socket fit together, and the surface of the arc-shaped fork body is provided with a second fixing bolt; by removing the first fixing bolt and the second fixing bolt, the arc-shaped fork body, the fork body part and the fork head part can be separated from each other, thereby providing convenience for the installation and disassembly of the entire gearbox release fork, and when one of the components is damaged, only one of the components needs to be replaced, thereby avoiding the need to replace the entire gearbox release fork, thereby effectively saving maintenance costs.

[0004] However, the aforementioned patent has the following drawbacks: the space for the curved fork body in the gearbox is small, and bolt installation makes it difficult to insert a wrench into the gearbox for disassembly and assembly. Furthermore, the connection between the movable rod and the connecting sleeve relies on threaded holes and bolts, and the threaded holes on the movable rod are fixed in position, making it difficult to ensure that the circular block and the mounting cap are aligned with the installed position after the movable rod and the connecting sleeve are connected. Therefore, we propose a forklift gearbox release fork. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the present utility model is to provide a forklift gearbox release fork.

[0006] In order to solve the above problems, the present invention adopts the following technical solutions:

[0007] A forklift gearbox release fork comprises a fulcrum block, an adjusting mechanism is provided on the top of the fulcrum block, a hydraulic actuator contact block is provided on the top of the adjusting mechanism, the bottom surface of the fulcrum block is fixedly connected to a connecting frame, the bottom end of the connecting frame is fixedly connected to a docking head, square slots are respectively provided at both ends of the docking head, the inner cavities of the two square slots are respectively sleeved with square sockets, the ends of the two square sockets extend to the outside of the docking head and are fixedly connected with an arc-shaped fork body, the inner side surfaces of the two ends of the arc-shaped fork bodies are provided with mounting grooves, the inner cavity of the mounting groove is provided with a first bearing, the inner side of the first bearing is fixedly sleeved with a release bearing pressing head, the end of the release bearing pressing head extends to the outside of the arc-shaped fork body, the top surface of the square socket is provided with a jack, and the top surface of the docking head is provided with two fixing mechanisms.

[0008] As a preferred solution of the present invention, the fixing mechanism includes an external threaded ring fixedly connected to the top surface of the docking joint and a spring fixedly connected to the top surface of the docking joint, the top of the spring is fixedly connected to a pulling seat, the top of the pulling seat is fixedly sleeved with a second bearing, the inner ring of the second bearing is fixedly sleeved with a sleeve column, the top of the sleeve column is fixedly connected with an external hexagonal threaded column, the bottom end of the inner cavity of the external hexagonal threaded column is threadedly sleeved to the outside of the external threaded ring, the bottom surface of the pulling seat is fixedly connected to a fixing pin, and the bottom end of the fixing pin is movably sleeved to the inner cavity of the jack.

[0009] As a preferred solution of the present invention, the adjusting mechanism includes an inner connecting column fixedly connected to the top surface of the fulcrum block, a screw hole is provided on the top surface of the inner connecting column, an outer sleeve is provided on the outer side of the inner connecting column, the top of the outer connecting sleeve is fixedly connected to an operating seat, the top surface of the operating seat is connected to the bottom surface of the hydraulic actuator contact block, a rotation groove is provided on the side of the operating seat, the inner cavity of the outer connecting sleeve is rotatably connected to a threaded rod, the bottom end of the threaded rod is threadedly sleeved to the inner cavity of the screw hole, and the top of the threaded rod extends to the inner cavity of the rotation groove and is fixedly connected to a rotating disk.

[0010] As a preferred solution of the present invention, an oil filling pipe is provided on the outside of the arc-shaped fork body, and an oil delivery channel is provided inside the arc-shaped fork body, one end of the oil delivery channel is connected to the inner cavity of the mounting groove, and the other end of the oil delivery channel is connected to the inner cavity of the oil filling pipe.

[0011] As a preferred solution of the present invention, the outer side surface of the square socket and the inner wall of the square slot are in contact with each other.

[0012] As a preferred solution of the present invention, the outer diameter of the fixing pin is equal to the inner diameter of the insertion hole.

[0013] As a preferred solution of the present invention, a support rod is rotatably connected to the fulcrum block, and both ends of the support rod are fixedly connected to mounting caps.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) In the present invention, the square socket at the end of the arc-shaped fork body is inserted into the square slot at the end of the butt joint, and the elastic force of the spring is used to drive the fixing pin to be inserted into the socket on the square socket, thereby realizing the connection between the butt joint and the arc-shaped fork body, and the external hexagonal threaded column is rotated so that its thread is installed on the outside of the external threaded ring, thereby protecting the spring, the pulling seat and other structures. At the same time, the external hexagonal threaded column can be directly manually rotated to complete the thread installation and disassembly, and the external hexagonal threaded column can be manually pulled to pull the fixing pin, thereby avoiding the problem that the space in the gearbox is small and it is inconvenient to insert a wrench into the gearbox for disassembly and assembly when using bolts for installation.

[0016] (2) In the present invention, the inner connecting column, the screw hole, the outer connecting sleeve, the operating seat, the threaded rod and the rotating disk are used in conjunction with each other. The rotating disk drives the threaded rod to rotate, and the threaded rod and the screw hole are used to drive the inner connecting column and the outer connecting sleeve to extend and retract with each other, thereby arbitrarily adjusting the height of the hydraulic actuator contact block, ensuring that the telescopic end of the hydraulic actuator can smoothly contact the hydraulic actuator contact block, and having good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is an exploded view of the overall structure of the utility model;

[0019] Figure 3 It is a cross-sectional schematic diagram of the butt joint of the utility model;

[0020] Figure 4 This is a schematic cross-sectional view of the arc-shaped fork body of the utility model;

[0021] Figure 5 This is a schematic cross-sectional view of the operating seat of the utility model;

[0022] Figure 6 This is a schematic cross-sectional view of the external connecting sleeve of the utility model;

[0023] Figure 7 For this utility model Figure 3 A is an enlarged schematic diagram.

[0024] Description of the numbers in the figure:

[0025] 1. Fulcrum block; 2. Adjustment mechanism; 3. Hydraulic actuator contact block; 4. Connecting frame; 5. Connector; 6. Square slot; 7. Square socket; 8. Arc fork body; 9. Mounting groove; 10. First bearing; 11. Release bearing pressing head; 12. Socket; 13. Fixing mechanism; 14. External threaded ring; 15. Spring; 16. Pull seat; 17. Second bearing; 18. Socket column; 19. External hexagonal threaded column; 20. Fixing pin; 21. Internal connecting column; 22. Screw hole; 23. External connecting sleeve; 24. Operating seat; 25. Rotating groove; 26. Threaded rod; 27. Rotating disk; 28. Support rod; 29. ​​Mounting cap; 30. Oil filling pipe; 31. Oil delivery channel. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0027] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0029] Example:

[0030] See also Figure 1-7A forklift gearbox release fork comprises a fulcrum block 1, an adjusting mechanism 2 is provided on the top of the fulcrum block 1, a hydraulic actuator contact block 3 is provided on the top of the adjusting mechanism 2, the bottom surface of the fulcrum block 1 is fixedly connected to a connecting frame 4, the bottom end of the connecting frame 4 is fixedly connected to a docking joint 5, square slots 6 are respectively provided at both ends of the docking joint 5, the inner cavities of the two square slots 6 are respectively sleeved with square sockets 7, the ends of the two square sockets 7 extend to the outside of the docking joint 5 and are fixedly connected with an arc-shaped fork body 8, the inner side surfaces of the ends of the two arc-shaped fork bodies 8 are provided with mounting grooves 9, the inner cavity of the mounting groove 9 is provided with a first bearing 10, the inner side of the first bearing 10 is fixedly sleeved with a release bearing pressing head 11, the end of the release bearing pressing head 11 extends to the outside of the arc-shaped fork body 8, a socket 12 is provided on the top surface of the square socket 7, and two fixing mechanisms 13 are provided on the top surface of the docking joint 5.

[0031] For details, please refer to Figures 1 to 7 The fixing mechanism 13 includes an external threaded ring 14 fixedly connected to the top surface of the docking joint 5 and a spring 15 fixedly connected to the top surface of the docking joint 5. The top of the spring 15 is fixedly connected to a pulling seat 16. The top of the pulling seat 16 is fixedly sleeved with a second bearing 17. The inner ring of the second bearing 17 is fixedly sleeved with a sleeve column 18. The top of the sleeve column 18 is fixedly connected to an external hexagonal threaded column 19. The bottom end of the inner cavity of the external hexagonal threaded column 19 is threadedly sleeved to the outside of the external threaded ring 14. The bottom surface of the pulling seat 16 is fixedly connected to a fixing pin 20. The bottom end of the fixing pin 20 is movably sleeved to the inner cavity of the socket 12.

[0032] For details, please refer to Figures 1 to 6 The adjusting mechanism 2 includes an inner connecting column 21 fixedly connected to the top surface of the fulcrum block 1, a screw hole 22 is provided on the top surface of the inner connecting column 21, an outer connecting sleeve 23 is provided on the outer side of the inner connecting column 21, and the top of the outer connecting sleeve 23 is fixedly connected to an operating seat 24, the top surface of the operating seat 24 is connected to the bottom surface of the hydraulic actuator contact block 3, and a rotation groove 25 is provided on the side of the operating seat 24. The inner cavity of the outer connecting sleeve 23 is rotatably connected to a threaded rod 26, and the bottom end of the threaded rod 26 is threadedly sleeved into the inner cavity of the screw hole 22. The top of the threaded rod 26 extends to the inner cavity of the rotation groove 25 and is fixedly connected to a rotating disk 27.

[0033] In this embodiment, the outer side surface of the inner connecting column 21 fits in with the inner wall of the outer connecting sleeve 23 , thereby ensuring the stability between the inner connecting column 21 and the outer connecting sleeve 23 .

[0034] For details, please refer to Figure 2 and Figure 4 An oil filling pipe 30 is provided on the outside of the arc-shaped fork body 8, and an oil delivery channel 31 is provided inside the arc-shaped fork body 8. One end of the oil delivery channel 31 is connected to the inner cavity of the mounting groove 9, and the other end of the oil delivery channel 31 is connected to the inner cavity of the oil filling pipe 30.

[0035] In this embodiment, the oil filling pipe 30 is connected to an external oil delivery pipe, so that the lubricating oil is introduced from the oil filling pipe 30 and the oil delivery channel 31 into the mounting groove 9 , thereby lubricating the first bearing 10 .

[0036] For details, please refer to Figure 3 and Figure 4 , the outer side surface of the square socket 7 and the inner wall of the square slot 6 are in contact with each other.

[0037] In this embodiment, the stability of the square socket 7 when inserted into the inner cavity of the square slot 6 is ensured.

[0038] For details, please refer to Figure 3 and Figure 4 , the outer diameter of the fixing pin 20 is equal to the inner diameter of the insertion hole 12.

[0039] In this embodiment, the stability and firmness of the fixing pin 20 when inserted into the inner cavity of the insertion hole 12 are ensured.

[0040] For details, please refer to Figure 3 A support rod 28 is rotatably connected to the fulcrum block 1, and both ends of the support rod 28 are fixedly connected to mounting caps 29.

[0041] In this embodiment, the mounting cap 29 is mounted in the forklift gearbox by means of bolts, and the release fork is supported by the mounting cap 29 and the support rod 28 .

[0042] Working principle: When in use, the mounting cap 29 is fixed by bolts, so that the support rod 28 can be fixed, thereby supporting the release fork, and the release bearing pressing head 11 is pressed against the end of the release bearing, and then the telescopic end of the hydraulic actuator is in conflict with the hydraulic actuator contact block 3, and the hydraulic actuator is used to push the hydraulic actuator contact block 3 to rotate, so that the arc fork body 8 and the release bearing pressing head 11 swing around the support rod 28, and then the release bearing pressing head 11 is used to press the end of the release bearing, thereby realizing the speed adjustment of the gearbox. In addition, when the arc fork body 8 needs to be replaced, the external hexagonal threaded column 19 is rotated to make its bottom end detach from the outside of the external threaded ring 14, and the fixation between the external threaded ring 14 and the external hexagonal threaded column 19 is released, and the external hexagonal threaded column 19 is pulled upwards with The movable sleeve connecting column 18, the second bearing 17, the pulling seat 16 and the fixing pin 20 move upward, so that the fixing pin 20 disengages from the socket 12 on the square socket 7, thereby releasing the fixation between the docking joint 5 and the square socket 7, and then the square socket 7 at the end of the arc-shaped fork body 8 that needs to be replaced is inserted into the square slot 6 at the end of the docking joint 5, and the square socket 7 is fixed again using the fixing pin 20, and then the rotating disk 27 is rotated to drive the threaded rod 26 to rotate, and the threaded cooperation between the threaded rod 26 and the screw hole 22 makes the inner connecting column 21 and the outer connecting sleeve 23 slide with each other, thereby adjusting the height of the hydraulic actuator contact block 3, so that the hydraulic actuator contact block 3 and the telescopic end of the hydraulic actuator are adapted to each other, ensuring the quality of the telescopic end of the hydraulic actuator pushing the hydraulic actuator contact block 3.

[0043] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and improved ideas of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A forklift gearbox release fork, comprising a fulcrum block (1), characterized in that: The top of the fulcrum block (1) is provided with an adjustment mechanism (2), the top of the adjustment mechanism (2) is provided with a hydraulic actuator contact block (3), the bottom surface of the fulcrum block (1) is fixedly connected with a connecting frame (4), the bottom end of the connecting frame (4) is fixedly connected with a docking joint (5), both ends of the docking joint (5) are respectively provided with square slots (6), the inner cavities of the two square slots (6) are respectively provided with square sockets (7), and the ends of the two square sockets (7) extend to the outer sides of the docking joint (5). The square socket (7) is fixedly connected to the arc-shaped fork body (8), the inner side surfaces of the two ends of the arc-shaped fork bodies (8) are provided with installation grooves (9), the inner cavity of the installation grooves (9) is provided with a first bearing (10), the inner side of the first bearing (10) is fixedly sleeved with a release bearing pressing head (11), the end of the release bearing pressing head (11) extends to the outside of the arc-shaped fork body (8), the top surface of the square socket (7) is provided with a plug hole (12), and the top surface of the docking head (5) is provided with two fixing mechanisms (13).

2. A forklift gearbox release fork according to claim 1, characterized in that: The fixing mechanism (13) comprises an external threaded ring (14) fixedly connected to the top surface of the docking joint (5) and a spring (15) fixedly connected to the top surface of the docking joint (5); the top of the spring (15) is fixedly connected to a pulling seat (16); the top of the pulling seat (16) is fixedly sleeved with a second bearing (17); the inner ring of the second bearing (17) is fixedly sleeved with a sleeve column (18); the top of the sleeve column (18) is fixedly connected to an external hexagonal threaded column (19); the bottom end of the inner cavity of the external hexagonal threaded column (19) is threadedly sleeved to the outside of the external threaded ring (14); the bottom surface of the pulling seat (16) is fixedly connected to a fixing pin (20); the bottom end of the fixing pin (20) is movably sleeved to the inner cavity of the jack (12).

3. The forklift gearbox release fork according to claim 1, characterized in that: The adjustment mechanism (2) comprises an inner connecting column (21) fixedly connected to the top surface of the fulcrum block (1), the top surface of the inner connecting column (21) is provided with a screw hole (22), the outer side of the inner connecting column (21) is sleeved with an outer connecting sleeve (23), the top end of the outer connecting sleeve (23) is fixedly connected to an operating seat (24), the top surface of the operating seat (24) is connected to the bottom surface of the hydraulic actuator contact block (3), the side of the operating seat (24) is provided with a rotation groove (25), the inner cavity of the outer connecting sleeve (23) is rotatably connected to a threaded rod (26), the bottom end of the threaded rod (26) is threadedly sleeved to the inner cavity of the screw hole (22), the top end of the threaded rod (26) extends to the inner cavity of the rotation groove (25) and is fixedly connected to a rotating disk (27).

4. The forklift gearbox release fork according to claim 1, characterized in that: An oil injection pipe (30) is arranged on the outside of the arc-shaped fork body (8), and an oil delivery channel (31) is arranged inside the arc-shaped fork body (8). One end of the oil delivery channel (31) is connected to the inner cavity of the mounting groove (9), and the other end of the oil delivery channel (31) is connected to the inner cavity of the oil injection pipe (30).

5. The forklift gearbox release fork according to claim 1, characterized in that: The outer side surface of the square socket (7) fits the inner wall of the square slot (6).

6. A forklift gearbox release fork according to claim 2, characterized in that: The outer diameter of the fixing pin (20) is equal to the inner diameter of the insertion hole (12).

7. The forklift gearbox release fork according to claim 1, characterized in that: A support rod (28) is rotatably connected to the fulcrum block (1), and mounting caps (29) are respectively fixedly connected to both ends of the support rod (28).

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