CN116214436A - Belt pulley disassembly and assembly tool - Google Patents

Belt pulley disassembly and assembly tool Download PDF

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Publication number
CN116214436A
CN116214436A CN202310309373.6A CN202310309373A CN116214436A CN 116214436 A CN116214436 A CN 116214436A CN 202310309373 A CN202310309373 A CN 202310309373A CN 116214436 A CN116214436 A CN 116214436A
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CN
China
Prior art keywords
screw rod
pulley
groove
screw
rod
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310309373.6A
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Chinese (zh)
Inventor
真金
陈秋丽
陈斌
单吉
杨杭行
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Changchun Automobile Industry Institute
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Changchun Automobile Industry Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changchun Automobile Industry Institute filed Critical Changchun Automobile Industry Institute
Priority to CN202310309373.6A priority Critical patent/CN116214436A/en
Publication of CN116214436A publication Critical patent/CN116214436A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/023Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/56Reuse, recycling or recovery technologies of vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Pulleys (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

The invention provides a belt pulley dismounting tool, which relates to the technical field of automobile tools and comprises a dismounting part and an installation part, wherein the dismounting part comprises an installation block, lifting rods, a threaded screw rod and a positioning cylinder, the lifting rods are provided with two groups, the two groups of lifting rods are movably inserted into two ends in the installation block, the threaded screw rod penetrates through the middle end of the installation block and is in threaded fit with the installation block, the upper end of the threaded screw rod is provided with a rotating part, the bottom of the positioning cylinder is provided with a positioning groove, and the lower end of the threaded screw rod is used for extruding the positioning cylinder; the mounting part is a pressing cylinder; when the pulley is disassembled, the positioning groove of the positioning cylinder is sleeved on the screw rod, the lower end of the positioning cylinder is in contact with the screw nut, the lifting rod is clamped into the side groove of the pulley and is clamped in a rotating manner, the lower end of the threaded screw rod is enabled to extrude the positioning cylinder through rotating the threaded screw rod, and the pulley can be disassembled from the screw nut without knocking and tilting in the whole process, so that damage is avoided.

Description

Belt pulley disassembly and assembly tool
Technical Field
The invention relates to the technical field of automobile tools, in particular to a belt pulley dismounting tool.
Background
The steering engine adopts the energy required by the automobile steering of the power steering system, under normal conditions, only a small part of the energy is the physical energy provided by a driver, and the majority of the energy is the hydraulic energy (or pneumatic energy) provided by an oil pump (or an air compressor) driven by an engine (or a motor) so as to convert part of the mechanical energy output by the engine (or the motor) into the pressure energy, and under the control of the driver, hydraulic or pneumatic acting forces in different directions are applied to a certain transmission piece in the steering transmission device or the steering gear so as to assist a series of parts with insufficient force applied by the driver, and the steering engine is generally called as the power steering gear;
in the use of a steering engine, a motor transmits kinetic energy to a belt pulley through the belt, a screw is driven to rotate through the rotation of the belt pulley, the screw rotates to enable an internal screw rod to move, when the steering engine has abnormal sound and other problems, the belt pulley is required to be disassembled, and then a locking gasket can be disassembled, so that the screw rod is disassembled from a sleeve to be maintained, the belt pulley is made of bakelite, when the belt pulley is disassembled, external force is not allowed to be applied to warp or beat, otherwise, the belt pulley is damaged and cracked, the screw rod is also used for disassembling the belt pulley in a writing mode, however, the screw rod screw belongs to a precise device and is easy to damage due to external force impact, and therefore, the invention provides a belt pulley disassembling tool for solving the problems in the prior art.
Disclosure of Invention
Aiming at the problems, the invention provides a belt pulley dismounting tool, which does not need to knock and tilt in the whole process of the belt pulley dismounting tool, so that the belt pulley, the nut and the screw rod are prevented from being damaged.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a belt pulley dismouting frock, includes dismantlement portion and installation department, dismantlement portion includes the installation piece, mentions pole, screw thread lead screw and positioning tube, mention the pole and be equipped with two sets of, and two sets of mention the pole activity is inserted and is established the inside both ends of installation piece, screw thread lead screw runs through the middle-end of installation piece, and screw thread lead screw and installation piece screw thread adaptation, screw thread lead screw upper end is equipped with rotation portion, the bottom of positioning tube is equipped with the constant head tank, the lower extreme of screw thread lead screw is used for extrudeing the positioning tube;
the installation department is for pressing the section of thick bamboo, the bottom of pressing the section of thick bamboo is equipped with the step, and the intermediate position department of step bottom is equipped with the guide way, one side of step is equipped with the breach.
The further improvement is that: the upper end of the lifting rod is provided with a knob, the knob is positioned at the upper end of the mounting block, and the caliber of the knob is larger than that of the lifting rod penetrating through the mounting block.
The further improvement is that: the middle position inside the installation block is provided with a nut groove pipe, and the threaded screw rod penetrates through the nut groove pipe and is in threaded fit.
The further improvement is that: the rotating part comprises a connecting block and a rotating rod, the connecting block is arranged at the upper end of the threaded screw rod, the rotating rods are arranged on two sides of the connecting block, and the rotating rod, the connecting block and the threaded screw rod are welded and fixed.
The further improvement is that: an inner groove is formed in the middle of the upper end of the inner part of the positioning cylinder, a rotary sleeve is arranged in the inner groove in a rotary mode, a fit block is arranged at the lower end of the threaded screw rod, and the fit block is matched with the rotary sleeve.
The further improvement is that: the disassembly part is used for disassembling the belt pulley from the screw nut, the installation part is used for installing the belt pulley on the screw nut, and the screw nut is installed on the screw rod.
The further improvement is that: the inside both sides of belt pulley all are equipped with the side groove, it is L type to mention the pole, and mention the pole and be used for inserting the side groove and block.
The further improvement is that: the inner side of the belt pulley is provided with a mounting groove which is matched with a screw nut, the outer aperture of the positioning cylinder is smaller than the inner aperture of the mounting groove, and the positioning groove is matched with the screw rod.
The further improvement is that: the top surface of the nut protrudes out of the top surface of the mounting groove, the height of the step is matched with the height of the nut protruding out of the top surface of the mounting groove, and the inner caliber of the step is larger than the outer caliber of the nut.
The further improvement is that: an outer convex channel is arranged on one side of the screw nut, the notch is used for avoiding the outer convex channel, and the guide groove is matched with the screw rod.
The beneficial effects of the invention are as follows:
1. when the pulley is disassembled, the positioning groove of the positioning cylinder is sleeved on the screw rod, the lower end of the positioning cylinder is in contact with the screw nut, the lifting rod is clamped into the side groove of the pulley, the pulley is clamped in a rotating mode, the lower end of the threaded screw rod is enabled to extrude the positioning cylinder through rotating the threaded screw rod, the pulley can be disassembled from the screw nut, the whole process does not need to knock and tilt, and the pulley, the screw nut and the screw rod are prevented from being damaged.
2. When the belt pulley is installed, the belt pulley is sleeved on the nut, the pressing cylinder is sleeved on the lead screw through the guide groove, the pressing cylinder is pressed downwards, the belt pulley can be pressed downwards due to the fact that the inner caliber of the step is larger than the outer caliber of the nut, the height of the top surface of the installation groove is lower than the height of the top surface of the nut to a specified distance by utilizing the height of the step, the installation is more accurate, the damage to the outer convex channel can be avoided through the notch, and the belt pulley is more perfect.
Drawings
FIG. 1 is a schematic view of a disassembly part of the present invention;
FIG. 2 is a schematic view of a positioning cartridge of the present invention;
FIG. 3 is a schematic view of a mounting portion of the present invention;
FIG. 4 is a schematic diagram of a pulley of the present invention;
fig. 5 is a schematic diagram of the pulley assembly of the present invention.
Wherein: 1. a mounting block; 2. lifting the rod; 3. a threaded screw rod; 4. a positioning cylinder; 5. a positioning groove; 6. a pressing cylinder; 7. a step; 8. a guide groove; 9. a notch; 10. a knob; 11. a nut grooved tube; 12. a connecting block; 13. a rotating rod; 14. an inner tank; 15. a rotary sleeve; 16. a fitting block; 17. a belt pulley; 18. a nut; 19. a screw rod; 20. a side groove; 21. a mounting groove; 22. an outer convex channel.
Detailed Description
The present invention will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
According to fig. 1, 2, 3, 4 and 5, this embodiment provides a belt pulley disassembly tool, which comprises a disassembly part and an installation part, wherein the disassembly part comprises an installation block 1, a lifting rod 2, a threaded screw rod 3 and a positioning cylinder 4, the lifting rod 2 is provided with two groups, the two groups of lifting rods 2 are movably inserted into two ends of the inside of the installation block 1, the threaded screw rod 3 penetrates through the middle end of the installation block 1, the threaded screw rod 3 is in threaded fit with the installation block 1, the upper end of the threaded screw rod 3 is provided with a rotation part, the bottom of the positioning cylinder 4 is provided with a positioning groove 5, and the lower end of the threaded screw rod 3 is used for extruding the positioning cylinder 4; when the pulley is used, the positioning groove 5 of the positioning cylinder 4 is sleeved on the screw rod 19, the lower end of the positioning cylinder 4 is in contact with the screw nut 18, the lifting rod 2 is clamped into the side groove 20 of the pulley 17 and is clamped in a rotating way, and the lower end of the threaded screw rod 3 extrudes the positioning cylinder 4 through rotating the threaded screw rod 3, so that the pulley 17 can be detached from the screw nut 18;
the installation department is for pressing a section of thick bamboo 6, the bottom of pressing a section of thick bamboo 6 is equipped with step 7, and the intermediate position department of step 7 bottom is equipped with guide way 8, one side of step 7 is equipped with breach 9. During installation, the belt pulley 17 is sleeved on the screw 18, the guide groove 8 is used for sleeving the pressing cylinder 6 on the screw 19, the pressing cylinder 6 is pressed downwards, the belt pulley 17 can be extruded downwards due to the fact that the inner caliber of the step 7 is larger than the outer caliber of the screw 18, the height of the step 7 is utilized, the height of the top surface of the installation groove 21 is lower than the height of the top surface of the screw 18 to a specified distance, the installation is more accurate, damage to the outer convex channel 22 can be avoided through the notch 9, and the installation is more perfect.
The upper end of the lifting rod 2 is provided with a knob 10, the knob 10 is positioned at the upper end of the mounting block 1, and the caliber of the knob 10 is larger than that of the lifting rod 2 penetrating through the mounting block 1. In use, the lifting lever 2 is snapped into the side groove 20 of the pulley 17 and the knob 10 is rotated such that the lifting lever 2 catches the side groove 20.
The middle position inside the installation block 1 is provided with a nut groove pipe 11, and the threaded screw rod 3 penetrates through the nut groove pipe 11 and is in threaded fit. The rotating part comprises a connecting block 12 and a rotating rod 13, the connecting block 12 is arranged at the upper end of the threaded screw rod 3, the rotating rods 13 are arranged on two sides of the connecting block 12, and the rotating rod 13, the connecting block 12 and the threaded screw rod 3 are welded and fixed. When the pulley is used, the positioning groove 5 of the positioning cylinder 4 is sleeved on the screw rod 19, the lower end of the positioning cylinder 4 is in contact with the screw nut 18, the lifting rod 2 is clamped into the side groove 20 of the pulley 17 and is clamped in a rotating manner, the threaded screw rod 3 is rotated by rotating the rotary rod 13, the threaded screw rod 3 moves downwards under the action of the screw of the nut groove pipe 11, and the lower end of the threaded screw rod 3 extrudes the positioning cylinder 4, so that the pulley 17 can be detached from the screw nut 18.
An inner groove 14 is arranged at the middle position of the upper end inside the positioning cylinder 4, a rotary sleeve 15 is arranged inside the inner groove 14 in a rotary mode, a fitting block 16 is arranged at the lower end of the threaded screw rod 3, and the fitting block 16 is matched with the rotary sleeve 15. When the belt pulley 17 is used, the positioning groove 5 of the positioning cylinder 4 is sleeved on the screw rod 19, the lower end of the positioning cylinder 4 is in contact with the screw nut 18, the lifting rod 2 is clamped into the side groove 20 of the belt pulley 17 and is clamped in a rotating manner, the lower end engagement block 16 of the screw thread screw rod 3 is clamped into the rotating sleeve 15 by rotating the screw thread screw rod 3, the rotating sleeve 15 rotates along with the screw thread screw rod 3, abrasion is avoided, the lower end of the screw thread screw rod 3 extrudes the positioning cylinder 4, and the belt pulley 17 can be detached from the screw nut 18.
The dismounting portion is used for dismounting the pulley 17 from the nut 18, the mounting portion is used for mounting the pulley 17 to the nut 18, and the nut 18 is mounted on the screw 19.
Example two
According to fig. 1, 2, 3, 4 and 5, this embodiment provides a belt pulley disassembly tool, which comprises a disassembly part and an installation part, wherein the disassembly part comprises an installation block 1, a lifting rod 2, a threaded screw rod 3 and a positioning cylinder 4, the lifting rod 2 is provided with two groups, the two groups of lifting rods 2 are movably inserted into two ends of the inside of the installation block 1, the threaded screw rod 3 penetrates through the middle end of the installation block 1, the threaded screw rod 3 is in threaded fit with the installation block 1, the upper end of the threaded screw rod 3 is provided with a rotation part, the bottom of the positioning cylinder 4 is provided with a positioning groove 5, and the lower end of the threaded screw rod 3 is used for extruding the positioning cylinder 4; when the pulley is used, the positioning groove 5 of the positioning cylinder 4 is sleeved on the screw rod 19, the lower end of the positioning cylinder 4 is in contact with the screw nut 18, the lifting rod 2 is clamped into the side groove 20 of the pulley 17 and is clamped in a rotating way, and the lower end of the threaded screw rod 3 extrudes the positioning cylinder 4 through rotating the threaded screw rod 3, so that the pulley 17 can be detached from the screw nut 18;
the installation department is for pressing a section of thick bamboo 6, the bottom of pressing a section of thick bamboo 6 is equipped with step 7, and the intermediate position department of step 7 bottom is equipped with guide way 8, one side of step 7 is equipped with breach 9. During installation, the belt pulley 17 is sleeved on the screw 18, the guide groove 8 is used for sleeving the pressing cylinder 6 on the screw 19, the pressing cylinder 6 is pressed downwards, the belt pulley 17 can be extruded downwards due to the fact that the inner caliber of the step 7 is larger than the outer caliber of the screw 18, the height of the step 7 is utilized, the height of the top surface of the installation groove 21 is lower than the height of the top surface of the screw 18 to a specified distance, the installation is more accurate, damage to the outer convex channel 22 can be avoided through the notch 9, and the installation is more perfect.
The dismounting portion is used for dismounting the pulley 17 from the nut 18, the mounting portion is used for mounting the pulley 17 to the nut 18, and the nut 18 is mounted on the screw 19. The two sides of the inside of the belt pulley 17 are provided with side grooves 20, the lifting rod 2 is L-shaped, and the lifting rod 2 is used for being inserted into the side grooves 20 and clamped. The inside of belt pulley 17 is equipped with mounting groove 21, and mounting groove 21 and screw 18 looks adaptation, the external orifice of positioning cylinder 4 is less than the internal orifice of mounting groove 21, constant head tank 5 and lead screw 19 looks adaptation. When dismantling, establish on lead screw 19 through the constant head tank 5 cover of positioning tube 4, positioning tube 4 lower extreme contact screw 18, through lifting lever 2 card go into the side groove 20 of belt pulley 17 to rotatory card is through rotatory screw rod 3, makes screw rod 3 lower extreme extrusion positioning tube 4, can dismantle belt pulley 17 from screw 18, and whole process need not to beat the perk, avoids damaging belt pulley 17, screw 18 and lead screw 19.
The top surface of the nut 18 protrudes out of the top surface of the mounting groove 21, and the height of the step 7 is matched with the height of the nut 18 protruding out of the top surface of the mounting groove 21. The inner diameter of the step 7 is larger than the outer diameter of the nut 18. An outer convex channel 22 is arranged on one side of the screw 18, the notch 9 is used for avoiding the outer convex channel 22, and the guide groove 8 is matched with the screw 19. During installation, the belt pulley 17 is sleeved on the nut 18, the guide groove 8 is used for sleeving the pressing cylinder 6 on the screw rod 19, the pressing cylinder 6 is pressed downwards, the belt pulley 17 can be extruded downwards due to the fact that the inner caliber of the step 7 is larger than the outer caliber of the nut 18, the height of the step 7 is utilized, the height of the top surface of the installation groove 21 is lower than the height of the top surface of the nut 18 to a specified distance, the installation is more accurate, damage to the outer convex channel 22 can be avoided through the notch 9, and the installation is more perfect.
When the belt pulley dismounting tool is dismounted, the positioning groove 5 through the positioning cylinder 4 is sleeved on the screw rod 19, the lower end of the positioning cylinder 4 is contacted with the screw nut 18, the lifting rod 2 is clamped into the side groove 20 of the belt pulley 17 and is clamped in a rotating manner, the lower end of the threaded screw rod 3 extrudes the positioning cylinder 4 through the rotating threaded screw rod 3, the belt pulley 17 can be dismounted from the screw nut 18, the whole process does not need to knock and tilt, and the belt pulley 17, the screw nut 18 and the screw rod 19 are prevented from being damaged. In the installation process, the belt pulley 17 is sleeved on the screw 18, the pressing cylinder 6 is sleeved on the lead screw 19 through the guide groove 8, the pressing cylinder 6 is pressed downwards, the belt pulley 17 can be pressed downwards due to the fact that the inner caliber of the step 7 is larger than the outer caliber of the screw 18, the height of the top surface of the installation groove 21 is lower than the height of the top surface of the screw 18 to a specified distance by utilizing the height of the step 7, the installation is more accurate, the damage to the outer convex channel 22 can be avoided through the notch 9, and the installation is more perfect.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a belt pulley dismouting frock, includes dismantlement portion and installation department, its characterized in that: the disassembly part comprises a mounting block (1), a lifting rod (2), a threaded screw rod (3) and a positioning cylinder (4), wherein the lifting rod (2) is provided with two groups, the two groups of lifting rods (2) are movably inserted into two ends of the inside of the mounting block (1), the threaded screw rod (3) penetrates through the middle end of the mounting block (1), the threaded screw rod (3) is in threaded fit with the mounting block (1), the upper end of the threaded screw rod (3) is provided with a rotating part, the bottom of the positioning cylinder (4) is provided with a positioning groove (5), and the lower end of the threaded screw rod (3) is used for extruding the positioning cylinder (4);
the installation department is for pressing a section of thick bamboo (6), the bottom of pressing a section of thick bamboo (6) is equipped with step (7), and the intermediate position department of step (7) bottom is equipped with guide way (8), one side of step (7) is equipped with breach (9).
2. The pulley disassembly and assembly tool according to claim 1, wherein: the upper end of the lifting rod (2) is provided with a knob (10), the knob (10) is positioned at the upper end of the mounting block (1), and the caliber of the knob (10) is larger than that of the lifting rod (2) penetrating through the mounting block (1).
3. The pulley disassembly and assembly tool according to claim 2, wherein: the middle position inside the installation block (1) is provided with a nut groove pipe (11), and the threaded screw rod (3) penetrates through the nut groove pipe (11) and is in threaded fit.
4. A pulley disassembly tool according to claim 3, wherein: the rotating part comprises a connecting block (12) and a rotating rod (13), the connecting block (12) is arranged at the upper end of the threaded screw rod (3), the rotating rods (13) are arranged on two sides of the connecting block (12), and the rotating rod (13), the connecting block (12) and the threaded screw rod (3) are welded and fixed.
5. The pulley disassembly and assembly tool according to claim 4, wherein: an inner groove (14) is formed in the middle position of the upper end inside the positioning cylinder (4), a rotary sleeve (15) is arranged in the inner groove (14) in a rotary mode, a fitting block (16) is arranged at the lower end of the threaded screw rod (3), and the fitting block (16) is matched with the rotary sleeve (15).
6. The pulley disassembly and assembly tool according to claim 1, wherein: the dismounting part is used for dismounting the belt pulley (17) from the screw nut (18), the mounting part is used for mounting the belt pulley (17) on the screw nut (18), and the screw nut (18) is mounted on the screw rod (19).
7. The pulley disassembly tool according to claim 6, wherein: the two sides of the inside of the belt pulley (17) are respectively provided with a side groove (20), the lifting rod (2) is L-shaped, and the lifting rod (2) is used for being inserted into the side grooves (20) and clamped.
8. The pulley disassembly tool according to claim 7, wherein: the inside of belt pulley (17) is equipped with mounting groove (21), and mounting groove (21) and screw (18) looks adaptation, the external orifice of positioning tube (4) is less than the internal orifice of mounting groove (21), constant head tank (5) and lead screw (19) looks adaptation.
9. The pulley disassembly tool according to claim 8, wherein: the top surface of screw (18) protrusion in the top surface of mounting groove (21), the height of step (7) with the height looks adaptation of screw (18) top surface protrusion in mounting groove (21) top surface, the inner diameter of step (7) is greater than the outer diameter of screw (18).
10. The pulley disassembly tool according to claim 9, wherein: an outer convex channel (22) is arranged on one side of the screw nut (18), the notch (9) is used for avoiding the outer convex channel (22), and the guide groove (8) is matched with the screw rod (19).
CN202310309373.6A 2023-03-27 2023-03-27 Belt pulley disassembly and assembly tool Pending CN116214436A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310309373.6A CN116214436A (en) 2023-03-27 2023-03-27 Belt pulley disassembly and assembly tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310309373.6A CN116214436A (en) 2023-03-27 2023-03-27 Belt pulley disassembly and assembly tool

Publications (1)

Publication Number Publication Date
CN116214436A true CN116214436A (en) 2023-06-06

Family

ID=86584474

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310309373.6A Pending CN116214436A (en) 2023-03-27 2023-03-27 Belt pulley disassembly and assembly tool

Country Status (1)

Country Link
CN (1) CN116214436A (en)

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