A pinion gear dismounting device based on a medium-large ball mill

Abstract

The application discloses a pinion dismounting device based on a medium-large ball mill and relates to the technical field of gear dismounting devices. The pinion dismounting device comprises a pinion, a guide assembly is arranged in a guide hole, a plug rod is fixed at the center shaft of the guide assembly, a moving block is arranged at the bottom end of the pinion, a clamping assembly is arranged on one side of a fixing frame, a knocking assembly is arranged on one side of a connecting seat, and clamps are symmetrically and slidingly connected to a moving frame. The pinion is moved by the moving block, and the fixed ring is taken as a reference. When the moving ring moves, the connecting plate drives the rotating plate to rotate, so that multiple positioning plates are synchronously and symmetrically close to the inner wall of the guide hole, the plug rod is always located at the center of the guide hole, the axial deviation is far higher than the manual positioning precision, after the plug rod passes through the guide hole, the pinion can only move along the axial direction, and when force is applied subsequently, the thrust is completely transmitted along the axial center line, so that unilateral jamming is fundamentally eliminated.

Description

Technical Field

[0001] This invention relates to the field of gear disassembly device technology, specifically a small gear disassembly device based on a medium-to-large ball mill. Background Technology

[0002] The pinion gear in medium and large ball mills is the core component of the transmission system. It meshes with the large gear ring to achieve the rotation of the cylinder. The working principle of the pinion gear disassembly device revolves around precise force application, safe disengagement, and stable transportation. It needs to combine mechanical force, hydraulic, pneumatic drive or thermal expansion and contraction assistance, and achieve disassembly through modular components. The core goal of disassembly is to achieve efficient and safe disassembly of heavy-duty components without damaging the shaft, gears, and bearings, laying the foundation for subsequent gear maintenance (such as tooth surface repair and bearing replacement).

[0003] Traditional pinion disassembly devices typically rely on workers' experience to confirm whether the pinion's clamp and guide hole are axially aligned. If the pinion is subjected to unbalanced force, it will exhibit a radial misalignment tendency. One end of the gear will disengage from the mating surface first, while the other end remains tightly attached to the journal, resulting in unilateral jamming. Furthermore, traditional pinion disassembly devices do not clamp the motor shaft. Without clamping constraints, the shaft may experience radial wobbling during the application of force, causing the force direction of the component to be disassembled to deviate from the axial direction. This further exacerbates the synchronous offset between the shaft and the component, creating a predicament where the more it is disassembled, the more jammed it becomes.

[0004] To address the aforementioned issues, there is an urgent need for innovative design based on the existing small gear disassembly device for medium and large ball mills. Summary of the Invention

[0005] The present invention addresses the problem of overly simplistic solutions in existing technologies by providing a significantly different solution. Specifically, the present invention aims to provide a small gear disassembly device based on a medium-to-large ball mill to solve the aforementioned problems mentioned in the background.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a pinion disassembly device based on a medium-to-large ball mill, comprising a pinion, a rotating shaft connected to the central shaft of the pinion, a guide hole at one end of the rotating shaft, a guide component inside the guide hole, an insert rod fixed at the central shaft of the guide component, and the guide component determining whether the insert rod is located at the central shaft of the rotating shaft, multiple positioning plates arranged at equal angles around the outside of the insert rod, a movable block at the bottom of the pinion, an electric push rod fixed to one side of the movable block, a fixing frame on one side of the movable block, a clamping component on one side of the fixing frame, the clamping component fixing the position of the rotating shaft, a connecting seat on one side of the fixing frame, a striking component on one side of the connecting seat, and the striking component loosening the connection between the pinion and the rotating shaft, a main body at the bottom of the pinion, a movable frame slidably connected to the top of the main body, a clamp symmetrically slidably connected to the movable frame, a nut rotatably connected to one end of the clamp, and a threaded rod threadedly connected to the central shaft of the movable frame.

[0007] Preferably, the guide assembly includes a fixing ring fixed to the outer wall of the insertion rod, multiple connecting plates fixed at equal angles on the outer wall of the fixing ring, a movable ring slidably connected to the outer wall of the insertion rod, a fixing rod fixed to the outer wall of the movable ring, multiple connecting plates fixed at equal angles on the outer wall of the movable ring, a rotating plate rotatably connected to the connecting plate via a connecting shaft, a fixing plate rotatably connected to one side of the rotating plate via a connecting shaft, a fixing seat fixed to one end of the insertion rod, and a threaded rod movably connected to the fixing seat.

[0008] Preferably, the top end of the fixing plate is fixedly connected to the positioning plate, and the bottom end of the fixing rod is fixedly connected to the top end of the moving block.

[0009] Preferably, the clamping assembly includes a lifting block slidably connected to the moving block, a support wheel rotatably connected to the top of the lifting block via a connecting shaft, rollers slidably connected to both sides of the lifting block, a rotating component rotatably connected to the rollers via a connecting shaft, a clamping wheel rotatably connected to one side of the rotating component via a connecting shaft, and the rotating component rotatably connected to the fixed frame via a connecting shaft.

[0010] Preferably, a connecting block is fixed to one side of the rotating component, and a spring is provided between the two connecting blocks.

[0011] Preferably, the contact surfaces of the lifting block and the moving block are both inclined surfaces, and the support wheel and the clamping wheel form a triangular clamping of the rotating shaft.

[0012] Preferably, the striking component includes a connecting frame fixed to one side of the moving block, a fixing column fixed to one side of the connecting frame, a connecting column sleeved on the fixing column, a turntable fixed to one end of the connecting column, a swinging component slidably connected to the top of the turntable, and a striking component fixed to the outer wall of the swinging component.

[0013] Preferably, the connecting column has a cavity that moves to cooperate with the fixed column, the outer wall of the fixed column is fixed with a limit block, and the inner wall of the connecting column has a threaded groove that cooperates with the limit block.

[0014] Preferably, the outer wall of the turntable has triangular protrusions at equal intervals, and the swinging member slides between the triangular protrusions on the turntable.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This invention uses a moving block to drive a fixed rod to move. With the fixed ring as a reference, the moving ring moves and drives the rotating plate to rotate through the connecting plate, so that multiple positioning plates move synchronously and symmetrically toward the inner wall of the guide hole. This ensures that the insertion rod is always located in the center of the guide hole, and the axial deviation is much higher than that of manual positioning. After the insertion rod passes through the guide hole, it directly limits the pinion to move only along the axial direction. When force is applied subsequently, the thrust is transmitted entirely along the axis centerline, fundamentally eliminating one-sided jamming. When the insertion rod and the guide hole are axially aligned, the thrust acts entirely along the axial direction. The gear inner hole and the journal only produce axial disengagement movement, without additional radial relative sliding. This can maximize the protection of the accuracy of the mating surface and avoid the scrapping or additional repair of parts due to disassembly operations.

[0017] 2. This invention uses a moving block to drive a lifting block upwards. The upward movement of the lifting block causes the support wheel to abut against the rotating shaft, limiting the radial runout of the shaft. The inclined surface of the lifting block drives the rollers and rotating parts, so that the clamping wheels on both sides simultaneously clamp the rotating shaft, completely fixing the spatial position of the shaft. Through the double-stage clamping of the lifting block and the clamping wheels, a rigid constraint is provided for the shaft. When the clamp pulls the pinion, the shaft is fixed in place by the clamping wheel. The disassembly force is completely converted into the relative displacement between the gear and the shaft, avoiding the waste of force and the movement of the shaft, and solving the dilemma of getting stuck more and more as you disassemble.

[0018] 3. When the fixed column moves the limiting block within the cavity, the threaded groove drives the connecting column to rotate, which in turn drives the turntable fixedly connected to it to rotate. The triangular protrusion of the turntable drives the swinging component to rotate periodically with small amplitude, making the striking force of the striking component on the rotating shaft controllable and the frequency interval stable. This avoids the uneven force of manual striking. The local impact force transmitted by the slight striking can cause the deformed parts of the mating surfaces to rebound slightly, breaking the rigid jamming state, while not damaging the precision mating surfaces of the shaft, thus reducing friction for subsequent formal disassembly. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the connection between the pinion and the clamp in this invention;

[0021] Figure 3 This is a structural schematic diagram showing the connection between the movable frame and the threaded rod of the present invention;

[0022] Figure 4 This is a schematic diagram showing the connection between the positioning plate and the rotating shaft of the present invention;

[0023] Figure 5 This is a three-dimensional structural diagram of the guiding component of the present invention;

[0024] Figure 6 This is a three-dimensional structural schematic diagram of the clamping component of the present invention;

[0025] Figure 7 This is a three-dimensional structural diagram of the striking component of the present invention;

[0026] Figure 8 This is a three-dimensional structural diagram of the striking component of the present invention from another perspective;

[0027] Figure 9 This is a structural schematic diagram showing the connection between the fixed column and the connecting column of the present invention.

[0028] In the diagram: 1. Small gear; 2. Main body; 3. Moving frame; 4. Insert rod; 501. Fixed ring; 502. Connecting plate; 503. Rotating plate; 504. Moving ring; 505. Fixed rod; 506. Fixed plate; 507. Fixed seat; 6. Positioning plate; 7. Rotating shaft; 8. Moving block; 901. Lifting block; 902. Support wheel; 903. Roller; 904. Rotating component; 905. Clamping wheel; 906. Connecting block; 907. Spring; 10. Fixed frame; 111. Connecting frame; 112. Fixed column; 113. Limiting block; 114. Connecting column; 115. Turntable; 116. Swinging component; 117. Striking component; 12. Connecting seat; 13. Clamp; 14. Threaded rod; 15. Nut. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Please see Figures 1 to 9This invention provides a technical solution: a pinion disassembly device based on a medium-to-large ball mill, comprising a pinion 1, a rotating shaft 7 connected to the central shaft of the pinion 1, and a guide hole at one end of the rotating shaft 7, a guide assembly inside the guide hole, an insert rod 4 fixed at the central shaft of the guide assembly, and the guide assembly determining whether the insert rod 4 is located at the central shaft of the rotating shaft 7, multiple positioning plates 6 arranged at equal angles around the outside of the insert rod 4, a movable block 8 at the bottom end of the pinion 1, an electric push rod fixed to one side of the movable block 8, and a [missing information - likely a device or component] on one side of the movable block 8. A fixed frame 10 is provided on one side, and a clamping component is provided on one side of the fixed frame 10 to fix the position of the rotating shaft 7. A connecting seat 12 is provided on one side of the fixed frame 10, and a striking component is provided on one side of the connecting seat 12 to loosen the connection between the pinion 1 and the rotating shaft 7. A main body 2 is provided at the bottom of the pinion 1, and a movable frame 3 is slidably connected to the top of the main body 2. A clamp 13 is symmetrically slidably connected to the movable frame 3. A nut 15 is rotatably connected to one end of the clamp 13, and a threaded rod 14 is threadedly connected to the central shaft of the movable frame 3.

[0031] In practice, the main body 2 is first placed at the bottom of the pinion 1, so that the insertion rod 4 is initially inserted into the guide hole of the rotating shaft 7. The guide component drives the movement of multiple positioning plates 6 that surround the insertion rod 4 at equal angles to ensure that the insertion rod 4 is accurately located at the central axis of the rotating shaft 7, so that the pinion 1 is limited to moving only along the axial direction. The electric push rod fixed to the moving block 8 is activated to push the moving block 8 to move. On the one hand, it drives the clamping component on one side of the fixed frame 10 to fix the position of the rotating shaft 7. On the other hand, it triggers the action of the knocking component on one side of the connecting seat 12, so that the connection between the pinion 1 and the rotating shaft 7 is loosened. Then, the moving frame 3 slides along the main body 2, clamps the pinion 1 with the clamp 13 and fixes the position of the clamp 13 with the nut 15. Finally, the threaded rod 14 at the central axis of the moving frame 3 is rotated to drive the moving frame 3 and the clamp 13 to move, thereby disengaging the pinion 1 from the rotating shaft 7 and completing the disassembly.

[0032] As a further embodiment of the present invention, the guide assembly includes a fixing ring 501 fixed to the outer wall of the insertion rod 4, a plurality of connecting plates 502 fixed at equal angles on the outer wall of the fixing ring 501, a movable ring 504 slidably connected to the outer wall of the insertion rod 4, a fixing rod 505 fixed to the outer wall of the movable ring 504, a plurality of connecting plates 502 fixed at equal angles on the outer wall of the movable ring 504, a rotating plate 503 rotatably connected to the connecting plate 502 via a connecting shaft, a fixing plate 506 rotatably connected to one side of the rotating plate 503 via a connecting shaft, and a fixing seat 507 fixed to one end of the insertion rod 4, the fixing seat 507 being movably connected to the threaded rod 14.

[0033] In specific implementation, the guide assembly takes the fixed ring 501 fixed to the outer wall of the insertion rod 4 as the reference. When the movable ring 504, which is slidably connected to the outer wall of the insertion rod 4, is driven to move through the fixed rod 505 fixed to its outer wall, the multiple connecting plates 502 fixed at equal angles on the outer wall of the movable ring 504 will synchronously drive the rotating plate 503, which is rotatably connected to it through the connecting shaft, to rotate. The rotating plate 503 then drives the fixed plate 506, which is rotatably connected to it, to move through the connecting shaft, thereby adjusting the position of the insertion rod 4 and ensuring that the insertion rod 4 is in the preset center position. At the same time, the fixed seat 507 fixed at one end of the insertion rod 4 can be movably connected to the threaded rod 14, providing a connection basis for subsequent disassembly and power transmission.

[0034] As a further embodiment of the present invention, the top end of the fixing plate 506 is fixedly connected to the positioning plate 6, and the bottom end of the fixing rod 505 is fixedly connected to the top end of the moving block 8.

[0035] In practice, when the moving block 8 moves, the fixed rod 505 fixedly connected to its top will move synchronously. The movement of the fixed rod 505 will drive the associated guide component to move, thereby causing the positioning plate 6 fixedly connected to the top of the fixed plate 506 to move accordingly. Through the displacement adjustment of the positioning plate 6, the position of the insertion rod 4 can be accurately positioned, ensuring that the insertion rod 4 and the guide hole of the rotating shaft 7 are axially aligned, laying the foundation for the stable disassembly of the pinion 1 in the future.

[0036] As a further embodiment of the present invention, the clamping assembly includes a lifting block 901 slidably connected to the moving block 8. The top of the lifting block 901 is rotatably connected to a support wheel 902 via a connecting shaft. Rollers 903 are slidably connected to both sides of the lifting block 901. A rotating member 904 is rotatably connected to the rollers 903 via a connecting shaft. A clamping wheel 905 is rotatably connected to one side of the rotating member 904 via a connecting shaft. The rotating member 904 is rotatably connected to the fixed frame 10 via a connecting shaft.

[0037] In practice, when the moving block 8 moves, it will drive the lifting block 901, which is slidably connected to it, to move synchronously. During the movement of the lifting block 901, the support wheel 902, which is rotatably connected to its top via the connecting shaft, will first contact the rotating shaft 7 and provide initial support. At the same time, the rollers 903 slidably connected to both sides of the lifting block 901 will push the rotating component 904, which is rotatably connected to it via the connecting shaft, as the lifting block 901 moves. This causes the rotating component 904 to rotate around the connecting shaft connected to the fixed frame 10. When the rotating component 904 rotates, it will drive the clamping wheel 905, which is rotatably connected to it via the connecting shaft, to move closer to and clamp the rotating shaft 7, thus achieving stable fixation of the rotating shaft 7 and providing reliable shaft constraint for the subsequent disassembly of the small gear 1.

[0038] As a further embodiment of the present invention, a connecting block 906 is fixed on one side of the rotating member 904, and a spring 907 is provided between the two connecting blocks 906.

[0039] In practice, when the clamping assembly clamps the rotating shaft 7, the rotating component 904 rotates around the connecting shaft connected to the fixed frame 10, causing the connecting block 906 fixed on one side to move synchronously. This stretches the spring 907 between the two connecting blocks 906 and stores elastic potential energy. When it is necessary to release the clamping of the rotating shaft 7, the spring 907 releases its elastic potential energy, pulling the two connecting blocks 906 closer to each other, which in turn causes the rotating component 904 to rotate in the opposite direction, causing the clamping wheel 905 to move away from the rotating shaft 7, thus resetting the clamping assembly for subsequent removal or adjustment of the rotating shaft 7.

[0040] As a further embodiment of the present invention, the contact surfaces of the lifting block 901 and the moving block 8 are both inclined surfaces, and the support wheel 902 and the clamping wheel 905 form a triangular clamping on the rotating shaft 7.

[0041] In specific implementation, when the moving block 8 moves, since the contact surfaces with the lifting block 901 are both inclined, the moving block 8 can push the lifting block 901 to move vertically through the guiding and squeezing action of the inclined surfaces. After the lifting block 901 moves upward, the support wheel 902 at its top first contacts the rotating shaft 7. At the same time, the inclined surface of the lifting block 901 drives the rollers 903 and rotating parts 904 on both sides to move, so that the clamping wheels 905 on both sides move closer to the rotating shaft 7. Finally, the support wheel 902 and the two clamping wheels 905 form a triangular clamping structure for the rotating shaft 7. Through the stable support characteristics of the triangular layout, the fixing effect on the rotating shaft 7 is further enhanced, and the radial shaking or axial movement of the rotating shaft 7 is avoided when the pinion 1 is disassembled.

[0042] As a further embodiment of the present invention, the striking component includes a connecting frame 111 fixed to one side of the movable block 8, a fixing post 112 fixed to one side of the connecting frame 111, a connecting post 114 outer sleeve of the fixing post 112, a turntable 115 fixed to one end of the connecting post 114, a swinging member 116 slidably connected to the top of the turntable 115, and a striking member 117 fixed to the outer wall of the swinging member 116.

[0043] In practice, when the moving block 8 moves, the connecting frame 111 fixed on one side moves synchronously. The connecting frame 111 drives the fixed column 112 fixed on one side to move inside the connecting column 114, thereby driving the turntable 115 fixed at one end of the connecting column 114 to rotate. When the turntable 115 rotates, it will drive the swinging member 116 slidably connected at its top to swing periodically in small amplitude. The swinging member 116 will drive the striking member 117 fixed on its outer wall to move synchronously. Through the intermittent striking of the relevant components by the striking member 117, the connection between the pinion 1 and the rotating shaft 7 is loosened, reducing the resistance for the subsequent disengagement of the pinion 1 and the rotating shaft 7.

[0044] As a further embodiment of the present invention, the connecting column 114 has a cavity that moves in conjunction with the fixed column 112, the outer wall of the fixed column 112 is fixed with a limiting block 113, and the inner wall of the connecting column 114 has a threaded groove that mates with the limiting block 113.

[0045] In practice, when the moving block 8 moves the connecting frame 111 and the fixed column 112, the fixed column 112 can move within the cavity opened in the connecting column 114. At the same time, the limiting block 113 fixed on the outer wall of the fixed column 112 will be embedded in the threaded groove on the inner wall of the connecting column 114. As the fixed column 112 moves, the limiting block 113 will slide along the threaded groove. With the help of the spiral guiding effect of the threaded groove, the linear motion of the fixed column 112 is converted into the rotational motion of the connecting column 114, which in turn drives the turntable 115 at one end of the connecting column 114 to rotate, providing a power basis for the subsequent actions of the swinging component 116 and the striking component 117.

[0046] As a further embodiment of the present invention, the outer wall of the turntable 115 is provided with triangular protrusions at equal intervals, and the swing member 116 slides between the triangular protrusions provided on the turntable 115.

[0047] In specific implementation, when the connecting column 114 drives the turntable 115 to rotate, because the outer wall of the turntable 115 is provided with triangular protrusions at equal intervals, and the swing member 116 slides between these triangular protrusions, the rotation of the turntable 115 will cause the triangular protrusions to periodically push or guide the swing member 116, thereby causing the swing member 116 to perform periodic small-amplitude reciprocating swings, thus providing stable swinging power for the striking member 117 fixed on the outer wall of the swing member 116, ensuring that the striking member 117 can intermittently strike the relevant components, and assisting the loosening of the connection between the pinion 1 and the rotating shaft 7.

[0048] Working principle: When using this small gear disassembly device based on a medium-to-large ball mill, the main body 2 is moved to the bottom of the small gear 1. At this time, the insert rod 4 is located inside the guide hole opened in the rotating shaft 7, and the clamping wheels 905 are located on both sides of the rotating shaft 7. The electric push rod is activated, which pushes the moving block 8 to move. When the moving block 8 moves, it drives the fixed rod 505 at its top to move. Since the fixed rod 505 and the moving ring 504 are fixedly connected, the fixed rod 505 synchronously drives the moving ring 504 to move. The fixed ring 501 is fixedly connected to the insert rod 4. When the moving ring 504 moves, it passes through its outer... The wall-fixed connecting plate 502 drives the rotating plate 503 to rotate. The rotation of the rotating plate 503 drives the fixed plate 506 to move, which in turn drives the positioning plate 6 to move towards the inner wall of the guide hole. The movement of the positioning plate 6 drives the connecting plate 502, which is rotatably connected to the fixed ring 501, to rotate. Thus, the multiple positioning plates 6 distributed at equal angles ensure that the insertion rod 4 is located at the center position of the guide hole. The insertion rod 4 passes through the guide hole, which limits the pinion 1 to move only along the axial direction. This ensures that the thrust is transmitted completely along the constraint direction of the guide hole, so that the pinion 1 always disengages at a uniform speed along the axis centerline, completely avoiding skew and jamming.

[0049] As the moving block 8 moves, it pushes the lifting block 901 upward through its inclined surface. The upward movement of the lifting block 901 causes the support wheel 902, which is rotatably connected to its top, to abut against the rotating shaft 7. As the lifting block 901 moves upward, since both sides of it are inclined, the roller 903 rotates through the inclined surface, which in turn causes the rotating component 904, which is rotatably connected to the roller 903, to rotate around the fixed frame 10. This causes the clamping wheel 905 to rotate and abut against the outer wall of the rotating shaft 7. When the rotating component 904 rotates, the connecting block 906, which is fixedly connected to one side, causes the spring 907 to stretch. When the lifting block 901 returns to its original position, the elastic potential energy released by the spring 907 causes the rotating component 904 to return to its original position. When disassembling the small gear 1 that mates with the motor shaft, an axial pulling force needs to be applied to the part to be disassembled to overcome the friction of the mating surface. Clamping the motor shaft is equivalent to providing a counterforce support point for the shaft. When the disassembly force is applied to the part to be disassembled, the shaft is fixed and the force energy is 100% converted into the relative axial displacement between the part and the shaft, ensuring efficient disassembly.

[0050] As the moving block 8 moves, it drives the connecting frame 111 fixedly connected to one side to move synchronously. When the connecting frame 111 moves, it drives the fixed column 112 fixed to one side to move in the cavity opened in the connecting column 114. Since the connecting column 114 has a threaded groove that cooperates with the limiting block 113, when the fixed column 112 drives the limiting block 113 to move in the cavity, the threaded groove drives the connecting column 114 to rotate, which in turn drives the turntable 115 fixedly connected to it to rotate. Since the outer wall of the turntable 115 has triangular protrusions at equal angles, when the turntable 115 rotates, the triangular protrusions drive the swing member 116 to rotate periodically in the connecting seat 12, which in turn drives the striking member 117 fixedly connected to the outer wall of the swing member 116 to strike the rotating shaft 7 intermittently. The precise and slight striking can transmit local impact force, causing the meshing metal deformation part to produce a slight rebound, relieving the initial meshing state, and changing the mating surface from a rigid jammed state to a slightly movable state, so that the component can be pushed out more easily in the future.

[0051] After the preliminary preparations are completed, the moving frame 3 is slid towards the pinion 1 through the slide groove, and the threaded rod 14 is inserted into the fixed seat 507 fixed at one end of the insert rod 4. The pinion 1 is clamped by manually sliding the clamp 13, and the position of the clamp 13 is fixed by the nut 15 after clamping. The motor is started, and the threaded rod 14 is rotated by the motor, which in turn moves the moving frame 3 and the clamp 13, thereby causing the pinion 1 to disengage from the rotating shaft 7.

[0052] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pinion dismounting device for medium and large size ball mills, comprising a pinion (1), characterized in that: The small gear (1) center shaft is connected with the rotating shaft (7), and the rotating shaft (7) is provided with a guide hole at one end, and the guide hole is provided with a guide assembly, and the guide assembly is fixed with a plug rod (4) at the center shaft, and the plug rod (4) is determined whether it is located at the center shaft of the rotating shaft (7) through the guide assembly, a plurality of positioning plates (6) are arranged at equal angles outside the plug rod (4), the small gear (1) bottom is provided with a moving block (8), one side of the moving block (8) is fixed with an electric push rod, and one side of the moving block (8) is provided with a fixed frame (10), one side of the fixed frame (10) is provided with a clamping assembly, and the position of the rotating shaft (7) is fixed through the clamping assembly, one side of the fixed frame (10) is provided with a connecting seat (12), one side of the connecting seat (12) is provided with a knocking assembly, and the connecting part of the small gear (1) and the rotating shaft (7) is loosened through the knocking assembly, the small gear (1) bottom is provided with a main body (2), the main body (2) top is limitedly and slidably connected with a moving frame (3), the moving frame (3) is symmetrically and slidably connected with a clamp (13), one end of the clamp (13) is rotatably connected with a nut (15), and the moving frame (3) center shaft is connected with a threaded rod (14) through threads; The guide assembly comprises a fixed ring (501) fixed on the outer wall of the plug rod (4), a plurality of connecting plates (502) are fixed at equal angles on the outer wall of the fixed ring (501), the outer wall of the plug rod (4) is slidably connected with a moving ring (504), the outer wall of the moving ring (504) is fixed with a fixed rod (505), a plurality of connecting plates (502) are fixed at equal angles on the outer wall of the moving ring (504), the connecting plate (502) is rotatably connected with a rotating plate (503) through a connecting shaft, one side of the rotating plate (503) is rotatably connected with a fixed plate (506) through a connecting shaft, one end of the plug rod (4) is fixed with a fixed seat (507), the fixed seat (507) is movably connected with the threaded rod (14), the top of the fixed plate (506) is fixedly connected with the positioning plate (6), and the bottom of the fixed rod (505) is fixedly connected with the top of the moving block (8); The knocking assembly comprises a connecting frame (111) fixed on one side of the moving block (8), the connecting frame (111) is fixed with a fixed column (112) on one side, the fixed column (112) is provided with a connecting column (114), the connecting column (114) is fixed with a rotating disc (115) at one end, the rotating disc (115) is slidably connected with a swing piece (116) at the top, the swing piece (116) is fixed with a knocking piece (117) on the outer wall, the connecting column (114) is provided with a cavity matched with the movable fixed column (112), the outer wall of the fixed column (112) is fixed with a limiting block (113), and the inner wall of the connecting column (114) is provided with a threaded groove matched with the limiting block (113).

2. The pinion gear dismounting device based on a medium-large ball mill according to claim 1, characterized in that: The clamping assembly comprises a lifting block (901) slidably connected with the moving block (8), the top end of the lifting block (901) is rotatably connected with a supporting wheel (902) through a connecting shaft, both sides of the lifting block (901) are slidably connected with a roller (903), the roller (903) is rotatably connected with a rotating piece (904) through a connecting shaft, one side of the rotating piece (904) is rotatably connected with a clamping wheel (905) through a connecting shaft, and the rotating piece (904) is rotatably connected with the fixing frame (10) through a connecting shaft.

3. A pinion gear removal device for a medium to large size ball mill according to claim 2, characterized in that: One side of the rotating piece (904) is fixedly connected with a connecting block (906), and springs (907) are arranged between the two connecting blocks (906).

4. A pinion gear removal device for a medium to large size ball mill according to claim 3, characterized in that: The contact surfaces of the lifting block (901) and the moving block (8) are all inclined surfaces, and the supporting wheel (902) and the clamping wheel (905) form a triangular clamping on the rotating shaft (7).

5. A pinion gear removal device for a medium to large size ball mill according to claim 1, characterized in that: Triangular protrusions are formed on the outer wall of the rotating disc (115) at equal intervals, and the swinging piece (116) slides between the triangular protrusions formed on the rotating disc (115).

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