A counterweight device for forklift front axle machining and a taking-out method thereof

Abstract

The application relates to a counterweight device for forklift front axle machining and a taking-out method thereof, and relates to the technical field of counterweight devices.The counterweight device comprises a support frame, a circular ring outer side wall capable of abutting against one end of the support frame, a driving lead screw, a driving lead screw rotationally connected with the support frame, a driving end of the driving lead screw located on the side of the support frame far from the front axle, a moving piece, the moving piece being threadedly connected with the driving lead screw, a fixed clamp, the fixed clamp being connected with the support frame, the fixed clamp being located on the side of the support frame close to the front axle and capable of abutting against the circular ring inner side wall, a connecting rod, one end of the connecting rod being rotationally connected with the moving piece, the other end of the connecting rod being rotationally connected with the fixed clamp, when the connecting rod is in a horizontal state, the fixed clamp can be separated from the circular ring by inclining the connecting rod to any side. The application can solve the problem that when uneven stress exists among components of the counterweight block and the counterweight block cannot be separated from the wheel shaft, the counterweight block can only be disassembled and damaged as a whole, thereby causing waste of the counterweight block resources.

Description

Technical Field

[0001] This application relates to the technical field of counterweight devices, and in particular to a counterweight device for machining a forklift front axle and a method for removing it. Background Technology

[0002] Forklift front axle machining requires irregularly shaped axles, with the axle shape referenced... Figure 1 It includes two coaxial cylindrical shafts and a bowl-shaped support fixedly connected to the two shafts. One open end of the bowl-shaped support has an inwardly arranged ring. The forklift rotates relative to the milling cutter along the axle axis to perform machining, cutting the required shape and size onto the axle workpiece surface. Rotating the workpiece allows the milling cutter to cut along different positions on the workpiece surface, achieving comprehensive machining of the workpiece.

[0003] When machining the front axle of a forklift, it needs to rotate relative to the milling cutter and be machined to the corresponding dimensions step by step. However, during the rotation process, due to the irregular shape of the front axle wheel shaft and the uneven mass distribution around the axial direction, the centrifugal force generated during rotation is uneven, resulting in poor machining effect and causing great wear to the rotating device.

[0004] Typically, counterweights are added to the side of an irregularly shaped axle with fewer components for added weight. These counterweights are detachably connected to the axle, facilitating their removal and allowing the axle to be connected to other forklift components. However, uneven stress on the components of the counterweight can lead to wear and damage. Damaged counterweights may become unable to detach from the axle, requiring complete disassembly and resulting in wasted counterweight resources. Summary of the Invention

[0005] The purpose of this application is to provide a counterweight device for processing the front axle of a forklift and a method for removing it, in order to solve the problem in the related art where the counterweight is not subjected to uneven force among its components, and when wear and damage occur among the components of the counterweight, the counterweight cannot be separated from the wheel axle, resulting in the need to disassemble and damage the counterweight as a whole, thus wasting counterweight resources.

[0006] Firstly, the counterweight device for machining forklift front axles provided in this application adopts the following technical solution:

[0007] A counterweight device for machining a forklift front axle, comprising:

[0008] The outer wall of the ring can abut against one end of the support frame;

[0009] A drive screw is rotatably connected to the support frame, and the drive end of the drive screw is located on the side of the support frame away from the front axle;

[0010] A movable component, which is threadedly connected to the drive screw;

[0011] A fixing clip is connected to the support frame, and the fixing clip faces the side of the support frame closer to the front axle and can abut against the inner wall of the ring.

[0012] A connecting rod, one end of which is rotatably connected to the moving part and the other end of which is rotatably connected to the fixing clamp. When the connecting rod is in a horizontal state, tilting the connecting rod to either side can cause the fixing clamp to disengage from the ring.

[0013] By adopting the above technical solution, the two connecting rods tilt and rotate toward the direction of the fixed clamps. The two fixed clamps connected to the two connecting rods move away from each other under the drive of the connecting rods, so that the hook end face on the fixed clamp abuts against the inner wall of the ring. Through the abutment of the fixed clamp hook against the inner wall of the ring and the abutment of the support frame against the outer wall of the ring, the entire counterweight device is engaged with the front axle wheel axle.

[0014] After installing a counterweight on the front axle, the milling machine can reduce the uneven mass distribution of the front axle and the uneven centrifugal force generated during rotation, thus reducing the wear on the rotating device.

[0015] However, when it is necessary to remove the counterweight from the front axle, the counterweight may be worn or jammed, making it impossible to remove. In this case, rotate the drive screw counterclockwise. If the drive screw can rotate, it indicates that the linkage mechanism formed by the moving part, connecting rod, and fixed clamp is damaged or jammed. Rotating the drive screw counterclockwise causes the connecting rod to tilt and rotate, moving the fixed clamp away from the ring. This disengages the fixed clamp from the ring, allowing the entire counterweight to detach from the front axle.

[0016] If the drive screw cannot be rotated counterclockwise, it indicates that the linkage mechanism formed by the moving part, connecting rod, and fixed clamp is damaged. Release the locking structure between the fixed clamp and the support frame. The drive screw may or may not be damaged. If the drive screw is not damaged, the intact drive screw can be disengaged from the linkage mechanism and stored with the support frame for future use. If the drive screw is damaged, the entire counterweight device can be disassembled, removed from the front axle, and the entire counterweight device should no longer be used.

[0017] By addressing the damage to the counterweight device in different ways, we can resolve issues such as uneven force distribution among the components of the counterweight, wear and tear on the components, and the inability of the counterweight to detach from the axle, which necessitates disassembling the entire counterweight and resulting in waste of counterweight resources.

[0018] Optionally, the support frame includes a support ring, a main frame, and a bracket. The main frame is perpendicular to the bracket and welded together. The support ring is located on the side of the bracket away from the main frame and is perpendicular to the bracket. The support ring is welded to the bracket. The fixing clamp is hinged to the main frame, and the ring can abut against the side of the support ring away from the bracket.

[0019] By adopting the above technical solution, the main frame avoids direct fixed connection with the support ring through the action of a bracket. The distance between the support ring and the fixing clamp is just matched with the thickness of the ring, so that the fixing clamp with a certain length can abut against the inner wall of the ring.

[0020] Optionally, it also includes an abutment ring, wherein the support ring is provided with a retaining ring, the abutment ring is sleeved with the retaining ring, and the ring abuts against the support ring through the abutment ring.

[0021] By adopting the above technical solution, the abutment ring is set with different sizes, so that the front axle rings of different sizes can abut with the abutment ring of the corresponding size, preventing the ring from being unstable and wobbling when it abuts with the support ring through the abutment ring due to the different sizes.

[0022] Optionally, the drive screw includes a drive end, a threaded end, and a guide sleeve. The drive end is fixedly connected to the threaded end, the guide sleeve is rotatably connected to the main frame, and the drive end is fixedly connected to the guide sleeve.

[0023] By adopting the above technical solution, the guide sleeves located on the upper and lower sides of the main frame are fixedly connected to the drive screw, which guides the drive screw when it is inserted into the main frame and prevents the drive screw from shaking in the vertical direction.

[0024] Optionally, the fixing clamp includes a bending block and a moving block, the bending block and the moving block are fixedly connected, the moving block can be engaged with the main frame, the bending side of the bending block is set towards the outer periphery, and the end of the bending block can abut against the inner wall of the ring.

[0025] By adopting the above technical solution, the end of the bending block can be separated from or abutted against the inner wall of the ring, which can make the entire counterweight device separate from or engage with the front axle wheel axle.

[0026] Optionally, the moving part is a moving ring, the inner wall of the moving ring is provided with threads, and the moving ring is rotatably connected to the threaded end through the threads.

[0027] By adopting the above technical solution, the moving ring is rotatably connected to the threaded end through the thread provided on the inner wall, which enables the drive screw to drive the moving ring to move in the vertical direction.

[0028] Optionally, the connecting rod includes a first hinge block and a second hinge block, the first hinge block being located at one end close to the drive screw, the second hinge block being located at one end away from the drive screw, a third hinge block being provided on the moving ring, and a fourth hinge block being provided on the fixing clamp, the first hinge block being hinged to the third hinge block, and the second hinge block being hinged to the fourth hinge block.

[0029] By adopting the above technical solution, the connecting rod is hinged to the third hinge block on the moving ring through the first hinge block, so that when the moving ring moves, the two connecting rods can rotate symmetrically along the axis of the moving ring; the fixed clamp is hinged to the third hinge block through the fourth hinge block, so that the fixed clamp can swing symmetrically along the axis of the moving ring.

[0030] Optionally, a first through slot is provided on the main frame. The first through slot is vertically arranged, and the fixing clamp passes through the first through slot and is rotatably connected to the side wall of the first through slot.

[0031] By adopting the above technical solution, the fixing clip passes through the first through groove and is rotatably connected to the side wall of the first through groove, and the first through groove can provide clearance space for the swing of the fixing clip.

[0032] Optionally, the fixing clamp is provided with a locking block, and the main frame is provided with a second through groove and a third through groove. The second through groove and the third through groove are perpendicularly arranged and communicate with each other. The fixing clamp is slidably connected to the second through groove, and the locking block is slidably connected to the third through groove.

[0033] By adopting the above technical solution, the fixing clamp is slidably connected to the second through slot, and the locking block is slidably connected to the third through slot, so that the fixing clamp can move horizontally relative to the main frame within the main frame.

[0034] Secondly, the counterweight device for machining forklift front axles provided in this application adopts the following technical solution:

[0035] A counterweight device for machining a forklift front axle includes the following steps:

[0036] S1: The clockwise direction is the direction in which the driving screw drives the moving part to move closer to the driving end of the screw. When the fixed clamp abuts against the inner wall of the ring on the front axle wheel shaft, the driving screw cannot be rotated when the driving screw is rotated. At this time, the driving screw rotates counterclockwise. Assume that the thread below the middle end of the driving screw will not be damaged under normal circumstances.

[0037] S2: If the drive screw can rotate counterclockwise, it means that the moving part, connecting rod and fixed clamp can rotate relative to each other without damage. It means that the thread of the moving part near the drive end of the screw is damaged. At this time, the counterclockwise rotation of the drive screw can disengage the fixed clamp from the ring and the entire counterweight device can be removed from the front axle.

[0038] S3: If the drive screw cannot rotate counterclockwise, it indicates that the linkage mechanism formed by the moving part, connecting rod and fixed clamp is stuck and cannot rotate relative to each other, or the linkage mechanism is stuck and the drive screw is damaged. In this case, release the locking structure between the fixed clamp and the support frame. If the drive screw can rotate, it means that the drive screw is not damaged. Unscrew the drive screw from the moving part, and the support frame and drive screw are separated from the linkage mechanism. Then remove the damaged linkage mechanism from the cup-shaped support of the front axle. It is not necessary to separate the damaged part from the intact part afterward.

[0039] S4: If the drive screw cannot rotate after releasing the locking structure between the fixed clamp and the support frame, it indicates that both the linkage mechanism and the drive screw are damaged, and the entire counterweight device needs to be removed.

[0040] By adopting the above technical solution, the damage of the counterweight device can be handled according to different situations. This can solve the problem of uneven force distribution among the components of the counterweight, which leads to wear and damage among the components of the counterweight. In such cases, the counterweight cannot be separated from the wheel axle, resulting in the need to disassemble the entire counterweight and wasting counterweight resources.

[0041] In summary, this application includes at least one of the following beneficial technical effects:

[0042] 1. When removing the counterweight from the front axle, it may become worn or jammed, preventing removal. In this case, rotate the drive screw counterclockwise. If the screw rotates, it indicates that the linkage mechanism formed by the moving parts, connecting rod, and fixed clamp is damaged or jammed. Rotating the drive screw counterclockwise causes the connecting rod to tilt and rotate, moving the fixed clamp away from the ring. This disengages the fixed clamp from the ring, allowing the entire counterweight to detach from the front axle.

[0043] If the drive screw cannot be rotated counterclockwise, it indicates that the linkage mechanism formed by the moving part, connecting rod, and fixed clamp is damaged. Release the locking structure between the fixed clamp and the support frame. The drive screw may or may not be damaged. If the drive screw is not damaged, the intact drive screw can be disengaged from the linkage mechanism and stored with the support frame for future use. If the drive screw is damaged, the entire counterweight device can be disassembled, removed from the front axle, and the entire counterweight device should no longer be used.

[0044] By addressing the damage to the counterweight device in different ways, we can resolve issues such as uneven force distribution among the components of the counterweight, wear and tear on the components, and the inability of the counterweight to detach from the axle, which necessitates disassembling the entire counterweight and resulting in waste of counterweight resources.

[0045] 2. By fitting different sized abutment rings to different sized front axle wheel axles, the counterweight device can be adapted to front axle wheel axles of different sizes. Attached Figure Description

[0046] Figure 1 This is a schematic diagram of the front axle structure;

[0047] Figure 2 These are schematic diagrams of the counterweight device in Embodiments 1 and 3 of this application;

[0048] Figure 3 These are schematic diagrams of the structures of Embodiments 1 and 3 of this application;

[0049] Figure 4 These are cross-sectional schematic diagrams of Embodiments 1 and 3 of this application;

[0050] Figure 5 for Figure 4 A magnified view of part A in the middle;

[0051] Figure 6 These are schematic diagrams of embodiments 2 and 3 of this application.

[0052] In the picture:

[0053] 10. Support frame; 11. Support ring; 111. Snap ring; 12. Main frame; 121. First through slot; 122. Second through slot; 123. Third through slot; 13. Bracket;

[0054] 20. Drive screw; 21. Drive end; 22. Threaded end; 23. Guide sleeve; 231. First guide sleeve; 232. Second guide sleeve;

[0055] 30. Moving part; 31. Moving ring; 311. Thread; 312. Third hinge block;

[0056] 40. Fixing clamp; 41. Bending block; 42. Moving block; 43. Fourth hinge block; 44. Locking block;

[0057] 50. Connecting rod; 51. First hinge block; 52. Second hinge block;

[0058] 60. Abutment ring;

[0059] 70. Support components;

[0060] 80. Circular ring. Detailed Implementation

[0061] The following is in conjunction with the appendix Figure 1 -Appendix Figure 6 This application will be described in further detail below.

[0062] This application discloses a counterweight device for machining a forklift front axle and a method for removing it.

[0063] Example 1

[0064] In this embodiment, the counterweight device is installed in the front axle. The counterweight device and the front axle rotate around the axle axis, with the direction perpendicular to the axle axis as the vertical direction and the direction where the counterweight device is located as the top.

[0065] Reference Figure 1 , Figure 2 and Figure 3 A counterweight device for machining a forklift front axle includes a support frame 10, a drive screw 20, a moving part 30, a fixing clamp 40, a connecting rod 50, and an abutment ring 60. A ring 80 is located below the support frame 10, and its outer wall abuts against the bottom surface of the support frame 10. The drive screw 20 is located on the central axis of the support frame 10 and rotatably connects to it, with its driving end 21 located above the support frame 10. The moving part 30 is threadedly connected to a thread 311 on the drive screw 20 located below the support frame 10. The connecting rod 50 is located to the side of the moving part 30 and rotatably connects to it. A first through slot 121 is provided on the support frame 10. The fixing clip 40 is located below the support frame 10. The fixing clip 40 passes through the first through slot 121 and is engaged with the support frame 10. The fixing clip 40 is rotatably connected to the connecting rod 50. When the connecting rod 50 is rotated to a horizontal state, the hook end face on the fixing clip 40 can abut against the inner wall of the ring 80 on the front axle. When the connecting rod 50 is rotated to an inclined state, the hook end face on the fixing clip 40 can disengage from the inner wall of the ring 80 on the front axle.

[0066] The direction of the drive screw 20 to move the moving part 30 upward is clockwise.

[0067] Rotating the drive screw 20 clockwise causes the moving part 30 to move upward, tilting the two connecting rods 50 on both sides towards the moving part 30. The two fixed clamps 40, each connected to one of the connecting rods 50, move closer together under the influence of the connecting rods 50. The front axle bowl-shaped support 70 has its opening facing upward. Moving the entire counterweight device above the bowl-shaped support 70 and lowering it causes the support frame 10 to abut against the upper side of the ring 80. Rotating the drive screw 20 counterclockwise causes the moving part 30 to move downward, tilting the two connecting rods 50 towards the fixed clamps 40. The two fixed clamps 40, each connected to one of the connecting rods 50, move further away from each other under the influence of the connecting rods 50, causing the hook ends of the fixed clamps 40 to abut against the inner wall of the ring 80. Through the abutment of the hooks of the fixed clamps 40 against the inner wall of the ring 80 and the abutment of the support frame 10 against the outer wall of the ring 80, the entire counterweight device is engaged with the front axle.

[0068] After installing a counterweight on the front axle, the milling machine can reduce the uneven mass distribution of the front axle and the uneven centrifugal force generated during rotation, thus reducing the wear on the rotating device.

[0069] However, when it is necessary to remove the counterweight from the front axle, the counterweight may be worn or jammed, making it impossible to remove. In this case, if the drive screw 20 can be rotated counterclockwise, it indicates that the linkage mechanism formed by the moving part 30, the connecting rod 50, and the fixed clamp 40 is damaged or jammed. The counterclockwise rotation of the drive screw 20 causes the connecting rod 50 to tilt and rotate, which in turn causes the fixed clamp 40 to move away from the ring 80. As a result, the fixed clamp 40 disengages from the ring 80, and the entire counterweight can be disengaged from the front axle.

[0070] If the drive screw 20 cannot be rotated counterclockwise, it indicates that the linkage mechanism formed by the moving part 30, connecting rod 50, and fixed clamp 40 is damaged. Release the locking structure between the fixed clamp 40 and the support frame 10. The drive screw 20 may or may not be damaged. If the drive screw 20 is not damaged, the intact drive screw 20 can be disengaged from the linkage mechanism and stored with the support frame 10 for future use. If the drive screw 20 is damaged, the entire counterweight device can be disassembled, removed from the front axle, and the entire counterweight device should no longer be used.

[0071] By addressing the damage to the counterweight device in different ways, we can resolve issues such as uneven force distribution among the components of the counterweight, wear and tear on the components, and the inability of the counterweight to detach from the axle, which necessitates disassembling the entire counterweight and resulting in waste of counterweight resources.

[0072] Reference Figure 2 and Figure 4 The specific structure of the support frame 10 and its connection with the ring 80, the drive screw 20, and the fixing clamp 40 are as follows: The support frame 10 includes a support ring 11, a main frame 12, and a bracket 13. The main frame 12 is located above the bracket 13. The bracket 13 is perpendicular to the main frame 12 and welded together. There are two brackets 13, located at opposite ends of the main frame 12. The support ring 11 is located below the bracket 13, perpendicular to the bracket 13 and parallel to the main frame 12. The support ring 11 is welded to the two brackets 13. The ring 80 can abut against the bottom of the support ring 11. The drive screw 20 is located on the central axis of the main frame 12 and rotatably connected to the main frame 12. The fixing clamp 40 is located inside the annular inner wall of the support ring 11 and is hinged to the main frame 12.

[0073] The main frame 12 avoids direct fixed connection with the support ring 11 through the function of a bracket 13. Since the support ring 11 abuts against the outer wall of the ring 80 and the fixing clip 40 abuts against the inner wall of the ring 80, the distance between the support ring 11 and the fixing clip 40 is just adapted to the thickness of the ring 80, so that the fixing clip 40 with a certain length can abut against the inner wall of the ring 80.

[0074] Reference Figure 4 and Figure 5 The abutment ring 60 is located below the support ring 11. A retaining ring 111 is provided below the support ring 11. The diameter of the retaining ring 111 is smaller than that of the abutment ring 60. The retaining ring 111 can be sleeved with the abutment ring 60. The abutment ring 60 can be replaced with different diameters. The circular ring 80 is located below the abutment ring 60. The abutment ring 60 abuts with the support ring 11, and the circular ring 80 abuts with the abutment ring 60.

[0075] Since different front axles have different sizes of rings 80, the abutment rings 60 are set with different sizes so that the rings 80 of different sizes can abut with the abutment rings 60 of the corresponding sizes, preventing the rings 80 from abutting with the support rings 11 through the abutment rings 60 due to different sizes and causing unstable abutment and shaking.

[0076] Reference Figure 2 and Figure 3 The specific structure of the drive screw 20 and its connection with the main frame 12 are as follows: The drive screw 20 includes a drive end 21, a threaded end 22, and a guide sleeve 23. The drive end 21 is located above the main frame 12. The guide sleeve 23 includes a first guide sleeve 231 and a second guide sleeve 232. The first guide sleeve 231 is located between the drive end 21 and the main frame 12, and is fixedly connected to the drive end 21 and rotatably connected to the main frame 12. The threaded end 22 is located below the drive end 21, and is fixedly connected to the drive end 21. The second guide sleeve 232 is sleeved on the threaded end 22 and located below the main frame 12, and is fixedly connected to the threaded end 22 and rotatably connected to the main frame 12.

[0077] The drive screw 20 rotates, and the first guide sleeve 231, which is fixedly connected to the drive end 21, rotates relative to the main frame 12. The second guide sleeve 232, which is fixedly connected to the threaded end 22, rotates relative to the main frame 12. Since both the first guide sleeve 231 and the second guide sleeve 232 are fixedly connected to the drive screw 20, the guide sleeve 23 does not change its position in the vertical direction. The drive screw 20 rotates relative to the main frame 12 and is fixedly connected in the vertical direction, preventing the entire counterweight device from shaking in the vertical direction under the rotation of the front axle wheel shaft. This would cause the drive screw 20 to shake in the vertical direction, thereby affecting the contact between the fixed clamp 40 and the ring 80.

[0078] Reference Figure 2 andFigure 3 The specific structure of the fixing clamp 40 and its specific connection relationship with the main frame 12 and the ring 80 are as follows: The fixing clamp 40 includes a bending block 41 and a moving block 42. The moving block 42 is located above the bending block 41. The bending block 41 and the moving block 42 are fixedly connected. The moving block 42 is snapped into the main frame 12. The bending side of the bending block 41 is set towards the support ring 11. The bending block 41 can abut against the inner wall of the ring 80.

[0079] Two fixing clamps 40 are provided, and the fixing clamps 40 are located on the inner circumference of the support ring 11. The bending block 41 on the fixing clamp 40 is set towards the support ring 11. The connecting rod 50 rotates to drive the fixing clamp 40 to move. When the connecting rod 50 is in a horizontal state, the end face of the fixing clamp 40 can abut against the bottom of the inner wall of the ring 80. This allows the entire counterweight device to be engaged with the front axle wheel axle.

[0080] Reference Figure 2 and Figure 3 The movable component 30 is a movable ring 31, and the inner wall of the movable ring 31 is provided with a thread 311, which can be connected with the thread 311 of the threaded end 22. When the drive screw 20 rotates, the clockwise rotation of the drive screw 20 can drive the movable ring 31 to move upward, and the counterclockwise rotation of the drive screw 20 can drive the movable ring 31 to move downward.

[0081] Reference Figure 2 and Figure 3 A first through slot 121 is formed on the main frame 12. The first through slot 121 is vertically arranged. The fixing clamp 40 passes through the first through slot 121 and is rotatably connected to the side wall of the first through slot 121. The rotation of the connecting rod 50 can drive the fixing clamp 40, which is hinged to the connecting rod 50, to swing within the first through slot 121. The first through slot 121 can provide clearance for the swing of the fixing clamp 40.

[0082] Reference Figure 2 and Figure 3 The connecting rod 50 includes a first hinge block 51 and a second hinge block 52. The first hinge block 51 is located at one end close to the drive screw 20, and the second hinge block 52 is located at one end away from the drive screw 20. A third hinge block 312 is provided on the moving ring 31, and a fourth hinge block 43 is provided on the fixing clamp 40. The first hinge block 51 is hinged to the third hinge block 312, and the second hinge block 52 is hinged to the fourth hinge block 43.

[0083] Two connecting rods 50 are provided, and each connecting rod 50 is hinged to two third hinge blocks 312 on the moving ring 31 via two first hinge blocks 51. When the moving ring 31 moves, the two connecting rods 50 can rotate symmetrically along the axis of the moving ring 31. Two fourth hinge blocks 43 are provided on each of the two fixed clamps 40, which are hinged to the two third hinge blocks 312. When the two connecting rods 50 rotate symmetrically along the axis of the moving ring 31, the two fixed clamps 40 swing symmetrically along the axis of the moving ring 31.

[0084] The implementation principle of the counterweight device for processing the front axle of a forklift in this embodiment is as follows: the clockwise direction is the direction in which the lead screw 20 drives the moving part 30 to move upward.

[0085] Rotating the drive screw 20 clockwise causes the moving part 30 to move upward, tilting the two connecting rods 50 on both sides towards the moving part 30. The two fixed clamps 40, each connected to one of the connecting rods 50, swing towards each other under the influence of the connecting rods 50. The front axle bowl-shaped support 70 has its opening facing upward. Moving the entire counterweight device above the bowl-shaped support 70 and lowering it causes the support frame 10 to abut against the upper side of the ring 80. Rotating the drive screw 20 counterclockwise causes the moving part 30 to move downward, tilting the two connecting rods 50 towards the fixed clamps 40. The two fixed clamps 40, each connected to one of the connecting rods 50, swing away from each other under the influence of the connecting rods 50, causing the hook ends of the fixed clamps 40 to abut against the inner wall of the ring 80. Through the abutment of the hooks of the fixed clamps 40 against the inner wall of the ring 80 and the abutment of the support frame 10 against the outer wall of the ring 80, the entire counterweight device is engaged with the front axle.

[0086] After a counterweight is installed on the front axle, it is rotated for milling machining.

[0087] However, when it is necessary to remove the counterweight from the front axle, the counterweight may be worn or jammed, making it impossible to remove. In this case, if the drive screw 20 can be rotated counterclockwise, it indicates that the linkage mechanism formed by the moving part 30, the connecting rod 50, and the fixed clamp 40 is damaged or jammed. The counterclockwise rotation of the drive screw 20 causes the connecting rod 50 to tilt and rotate, causing the fixed clamp 40 to swing away from the ring 80. As a result, the fixed clamp 40 disengages from the ring 80, and the entire counterweight can be disengaged from the front axle.

[0088] If the drive screw 20 cannot be rotated counterclockwise, it indicates that the linkage mechanism formed by the moving part 30, connecting rod 50, and fixed clamp 40 is damaged. Release the locking structure between the fixed clamp 40 and the support frame 10. The drive screw 20 may or may not be damaged. If the drive screw 20 is not damaged, the intact drive screw 20 can be disengaged from the linkage mechanism and stored with the support frame 10 for future use. If the drive screw 20 is damaged, the entire counterweight device can be disassembled, removed from the front axle, and the entire counterweight device should no longer be used.

[0089] Example 2

[0090] In this embodiment, the counterweight device is installed in the front axle. The counterweight device and the front axle rotate around the axle axis, with the direction perpendicular to the axle axis as the vertical direction and the direction where the counterweight device is located as the top.

[0091] Reference Figure 6 A counterweight device for processing the front axle of a forklift is disclosed. The difference between this embodiment and Embodiment 1 is that the fixing clamp 40 is provided with a locking block 44, which is fixedly connected to the fixing clamp 40 and vertically arranged. The main frame 12 is provided with a second through groove 122 and a third through groove 123, which are vertically arranged and interconnected. The fixing clamp 40 is slidably connected to the second through groove 122, and the locking block 44 is slidably connected to the third through groove 123.

[0092] When the drive screw 20 moves the moving ring 31 vertically, the two connecting rods 50 can rotate symmetrically along the axis of the moving ring 31. When the connecting rod 50 rotates from horizontal to inclined, since the length of the connecting rod 50 remains unchanged, the distance between the fixed clamp 40 and the moving ring 31 shortens, and the fixed clamp 40 moves towards the drive screw 20 in the second through groove 122. At the same time, the locking block 44 slides in the third through groove 123, and the fixed clamp 40 disengages from the inner wall of the ring 80, allowing the entire counterweight device to be removed from the front axle. When the connecting rod 50 rotates from inclined to horizontal, since the length of the connecting rod 50 remains unchanged, the distance between the fixed clamp 40 and the moving ring 31 increases, and the fixed clamp 40 moves towards the circumference of the support ring 11 in the second through groove 122. At the same time, the locking block 44 slides in the third through groove 123. The fixing clamp 40 abuts against the inner wall of the ring 80, and the entire counterweight device can be engaged with the front axle wheel axle.

[0093] The implementation principle of the counterweight device for processing the front axle of a forklift in this embodiment is as follows: the clockwise direction is the direction in which the lead screw 20 drives the moving part 30 to move upward.

[0094] Rotating the drive screw 20 clockwise causes the moving part 30 to move upward, tilting the two connecting rods 50 on both sides towards the moving part 30. The two fixed clamps 40, each connected to one of the connecting rods 50, move closer together under the influence of the connecting rods 50. The front axle bowl-shaped support 70 has its opening facing upward. Moving the entire counterweight device above the bowl-shaped support 70 and lowering it causes the support frame 10 to abut against the upper side of the ring 80. Rotating the drive screw 20 counterclockwise causes the moving part 30 to move downward, tilting the two connecting rods 50 towards the fixed clamps 40. The two fixed clamps 40, each connected to one of the connecting rods 50, move further away from each other under the influence of the connecting rods 50, causing the hook ends of the fixed clamps 40 to abut against the inner wall of the ring 80. Through the abutment of the hooks of the fixed clamps 40 against the inner wall of the ring 80 and the abutment of the support frame 10 against the outer wall of the ring 80, the entire counterweight device is engaged with the front axle.

[0095] After a counterweight is installed on the front axle, it is rotated for milling machining.

[0096] However, when it is necessary to remove the counterweight from the front axle, the counterweight may be worn or jammed, making it impossible to remove. In this case, if the drive screw 20 can be rotated counterclockwise, it indicates that the linkage mechanism formed by the moving part 30, the connecting rod 50, and the fixed clamp 40 is damaged or jammed. The counterclockwise rotation of the drive screw 20 causes the connecting rod 50 to tilt and rotate, which in turn causes the fixed clamp 40 to move away from the ring 80. As a result, the fixed clamp 40 disengages from the ring 80, and the entire counterweight can be disengaged from the front axle.

[0097] If the drive screw 20 cannot be rotated counterclockwise, it indicates that the linkage mechanism formed by the moving part 30, connecting rod 50, and fixed clamp 40 is damaged. Release the locking structure between the fixed clamp 40 and the support frame 10. The drive screw 20 may or may not be damaged. If the drive screw 20 is not damaged, the intact drive screw 20 can be disengaged from the linkage mechanism and stored with the support frame 10 for future use. If the drive screw 20 is damaged, the entire counterweight device can be disassembled, removed from the front axle, and the entire counterweight device should no longer be used.

[0098] Example 3

[0099] Reference Figure 3 and Figure 5 A method for removing a counterweight device used in forklift front axle machining, the difference between this embodiment and Embodiment 1 is that...

[0100] Includes the following steps:

[0101] S1: The clockwise direction is the direction in which the drive screw 20 drives the moving part 30 to move closer to the drive end 21 of the screw. When the fixed clamp 40 abuts against the inner wall of the ring 80 on the front axle wheel shaft, the drive screw 20 cannot be rotated when rotated. At this time, the drive screw 20 is driven to rotate counterclockwise.

[0102] S2: If the drive screw 20 can rotate counterclockwise, it means that the moving part 30, the connecting rod 50 and the fixed clamp 40 can rotate relative to each other without damage. It means that the thread 311 of the moving part 30 near the screw drive end 21 is damaged. At this time, the counterclockwise rotation of the drive screw 20 can disengage the fixed clamp 40 from the ring 80, and the entire counterweight device can be removed from the front axle.

[0103] S3: If the drive screw 20 cannot rotate counterclockwise, it indicates that the linkage mechanism formed by the moving part 30, the connecting rod 50 and the fixed clamp 40 is stuck and cannot rotate relative to each other, or the linkage mechanism is stuck and the drive screw 20 is damaged. In this case, release the locking structure between the fixed clamp 40 and the support frame 10. If the drive screw 20 can rotate, it indicates that the drive screw 20 is not damaged. Unscrew the drive screw 20 from the moving part 30, and the support frame 10 and the drive screw 20 are separated from the linkage mechanism. Then remove the damaged linkage mechanism from the cup-shaped support 70 of the front axle. It is not necessary to separate the damaged part from the intact part afterward.

[0104] S4: If the drive screw 20 cannot rotate after the locking structure between the fixed clamp 40 and the support frame 10 is released, it means that the linkage mechanism and the drive screw 20 are damaged at the same time, and the entire counterweight device needs to be removed.

[0105] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A method for removing a counterweight device used in forklift front axle machining, comprising a counterweight device used in forklift front axle machining, characterized in that, The counterweight device for processing the forklift front axle includes: a support frame (10), the outer wall of a ring (80) being able to abut against one end of the support frame (10); a drive screw (20), the drive screw (20) being rotatably connected to the support frame (10), the drive end (21) of the drive screw (20) being located on the side of the support frame (10) away from the front axle; a moving part (30), the moving part (30) being threaded (311) to the drive screw (20); a fixing clamp (40), the fixing clamp (40) being connected to the support frame (10), the fixing clamp (40) being facing the side of the support frame (10) near the front axle and being able to abut against the inner wall of the ring (80); and a connecting rod (50). One end of the connecting rod (50) is rotatably connected to the moving part (30), and the other end is rotatably connected to the fixing clamp (40). When the connecting rod (50) is in a horizontal state, tilting the connecting rod (50) to either side will cause the fixing clamp (40) to disengage from the ring (80). The support frame (10) includes a support ring (11), a main frame (12), and a bracket (13). The main frame (12) and the bracket (13) are vertically arranged and welded together. The support ring (11) is located on the side of the bracket (13) away from the main frame (12) and is vertically arranged with the bracket (13). The support ring (11) is welded to the bracket (13). The fixing clamp (40) is connected to the main frame (12). The ring (80) is hinged and can abut against the side of the support ring (11) away from the bracket (13); the drive screw (20) includes a drive end (21), a threaded end (22) and a guide sleeve (23), the drive end (21) is fixedly connected to the threaded end (22), the guide sleeve (23) is rotatably connected to the main frame (12), and the drive end (21) is fixedly connected to the guide sleeve (23); the moving part (30) is a moving ring (31), the inner wall of the moving ring (31) is provided with a thread (311), and the moving ring (31) is rotatably connected to the threaded end (22) through the thread (311); the connecting rod (50) includes a first hinge block (51) and a second hinge block (22). A hinge block (52) is provided. The first hinge block (51) is located at one end close to the drive screw (20), and the second hinge block (52) is located at one end away from the drive screw (20). A third hinge block (312) is provided on the moving ring (31), and a fourth hinge block (43) is provided on the fixing clamp (40). The first hinge block (51) is hinged to the third hinge block (312), and the second hinge block (52) is hinged to the fourth hinge block (43). A first through slot (121) is opened on the main frame (12). The first through slot (121) is vertically arranged, and the fixing clamp (40) passes through the first through slot (121) and is rotatably connected to the side wall of the first through slot (121). The method for removing the counterweight device used in forklift front axle machining includes the following steps: S1: The clockwise direction is the direction in which the drive screw (20) drives the moving part (30) to move closer to the drive end (21) of the screw. When the fixed clamp (40) abuts against the inner wall of the ring (80) on the front axle, the drive screw (20) is rotated. The drive screw (20) cannot rotate. At this time, the drive screw (20) is rotated counterclockwise. Assume that the thread (311) below the middle end of the drive screw (20) will not be damaged under normal circumstances. S2: If the drive screw (20) can rotate counterclockwise, it means that the moving part (30), the connecting rod (50) and the fixed clamp (40) can rotate relative to each other without damage. It means that the thread (311) of the moving part (30) near the screw drive end (21) is damaged. At this time, the counterclockwise rotation of the drive screw (20) can make the fixed clamp (40) separate from the ring (80) and the entire counterweight device can be removed from the front axle. S3: If the drive screw (20) cannot rotate counterclockwise, it indicates that the linkage mechanism formed by the moving part (30), the connecting rod (50) and the fixed clamp (40) is stuck and cannot rotate relative to each other, or the linkage mechanism is stuck and the drive screw (20) is damaged. At this time, release the locking structure between the fixed clamp (40) and the support frame (10). If the drive screw (20) can rotate, it indicates that the drive screw (20) is not damaged. Unscrew the drive screw (20) from the moving part (30), and the support frame (10) and the drive screw (20) are separated from the linkage mechanism. Then remove the damaged linkage mechanism from the cup-shaped support (70) of the front axle. It is not necessary to separate the damaged part from the intact part afterward. S4: After releasing the locking structure between the fixed clamp (40) and the support frame (10), if the drive screw (20) cannot rotate, it means that the linkage mechanism and the drive screw (20) are damaged at the same time, and the entire counterweight device needs to be removed.

2. The method for removing the counterweight device for forklift front axle machining according to claim 1, characterized in that, The fixing clamp (40) is provided with a locking block (44), and the main frame (12) is provided with a second through groove (122) and a third through groove (123). The second through groove (122) and the third through groove (123) are arranged perpendicularly and communicate with each other. The fixing clamp (40) is slidably connected to the second through groove (122), and the locking block (44) is slidably connected to the third through groove (123).

3. The method for removing the counterweight device for forklift front axle machining according to claim 1, characterized in that, The counterweight device for processing the front axle of the forklift also includes an abutment ring (60), and a retaining ring (111) is provided on the support ring (11). The abutment ring (60) is sleeved with the retaining ring (111), and the ring (80) abuts against the support ring (11) through the abutment ring (60).

4. The method for removing the counterweight device for forklift front axle machining according to claim 1, characterized in that, The fixing clamp (40) includes a bending block (41) and a moving block (42). The bending block (41) is fixedly connected to the moving block (42). The moving block (42) can be engaged with the main frame (12). The bending side of the bending block (41) is set towards the outer periphery. The end of the bending block (41) can abut against the inner wall of the ring (80).

Images