CN222627641U - Special tool for disassembling shaft hole dual-purpose bearing - Google Patents
Special tool for disassembling shaft hole dual-purpose bearing Download PDFInfo
- Publication number
- CN222627641U CN222627641U CN202421388492.1U CN202421388492U CN222627641U CN 222627641 U CN222627641 U CN 222627641U CN 202421388492 U CN202421388492 U CN 202421388492U CN 222627641 U CN222627641 U CN 222627641U
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- CN
- China
- Prior art keywords
- puller
- support
- rod
- hole
- tool
- Prior art date
- 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.)
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Links
- 210000000078 claw Anatomy 0.000 description 20
- 210000004907 gland Anatomy 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model relates to a special tool for disassembling a shaft hole dual-purpose bearing, and belongs to the field of hand tools. The tool support is provided with a tool support with three 120-degree angle uniform slotting, a jacking internal thread hole is formed in the middle of the tool support, a pin shaft hole is formed in the position of the three-side slotting of the tool support, the tool support is connected with a puller jaw through a pin shaft, a puller jaw is provided with a puller Ma Zhaogou at the head, a puller rod is arranged in the middle of the tool support and connected with the tool support through the jacking internal thread hole, a jackscrew rod handle hole is formed in the top of the puller rod, a handle is connected with the jackscrew rod through the jackscrew rod handle hole, a support frame is installed in the middle of the jackscrew rod, the support frame is connected with a support plate I, the support plate I and the support plate II are fixed through support plate adjusting holes on the support plate I and the support plate II, a conical adjusting sleeve corresponding to the bevel angle of the puller jaw is arranged in the middle of the puller jaw, and an adjusting nut is installed in the position of the jackscrew rod and the support frame round hole and drives the puller rod to move linearly.
Description
Technical Field
The utility model relates to the field of hand tools, in particular to a special tool for disassembling a shaft hole dual-purpose bearing.
Background
It is known that in the field of mechanical design, rolling bearings are a type of transmission device widely used in industrial and mechanical fields, the transmission mode of the rolling bearings reduces friction through rolling between an inner ring and an outer ring of rolling elements, and mechanical parts of equipment can run accurately and stably, but with the increase of service life and the use status quo in special environments, the phenomena of faults such as abrasion of rolling bodies of the bearings, increased influence precision of gaps, high temperature, noise abnormal sound, seizing and fatigue damage often occur, the rolling bearings must be overhauled and replaced, the traditional disassembly mode relies on a drawing horse or hammering mode and a cutting mode to disassemble the bearings for the shaft, and the bearings for the shaft are generally disassembled in a hammering mode or in a welding cutting mode, so that certain safety risks exist and the overhauling work efficiency is seriously influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a special tool for disassembling a shaft hole dual-purpose bearing, which eliminates potential safety hazards in the process of disassembling the shaft hole bearing and solves the problem of disassembling and overhauling the shaft hole bearing.
The technical scheme includes that the special tool for disassembling the shaft hole dual-purpose bearing is provided with a tool support with three 120-degree angle uniform slotting, a jacking inner threaded hole is formed in the middle of the tool support, a pin shaft hole is formed in the position of the three grooving of the tool support, the tool support is connected with a puller claw through a pin shaft, a puller Ma Zhaogou is arranged at the head of the puller claw, the special tool is characterized in that a puller rod is arranged in the middle of the tool support and connected with the tool support through the jacking inner threaded hole, a puller rod handle hole is formed in the top of the puller rod, a handle is connected with a puller rod through the puller rod handle hole, a support frame is installed in the middle of the puller rod, the support frame is connected with a support plate I, the support plate I and the support plate II are fixed through support plate adjusting holes in the support frame, a conical adjusting sleeve corresponding to the bevel angle of the puller claw is arranged in the middle of the puller claw, and an adjusting nut is arranged at the position of the puller rod and the support frame round hole, and the adjusting nut drives the puller rod to move linearly.
The utility model has the beneficial effects that the problem that the hole and the shaft bearing are in failure can be solved, the disassembly is completed easily and quickly by replacing the accessory of the tool, the potential safety hazard in the disassembly process is eliminated, and the overhaul working efficiency is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the utility model, and is also a schematic diagram of the operation of the process of disassembling the bearing for the hole.
FIG. 2 is a schematic view of the operation of the bearing removal process for a shaft according to the present utility model.
In the drawing, a tool support is 1, a tightly-propped internal threaded hole is 2, a pin shaft hole is 3, a pin shaft is 4, a pulling claw is 5, a pulling lug is 6, a pulling lug is Ma Zhaogou, a screw jacking rod is 8, a screw jacking rod handle hole is 9, a handle is 10, a supporting frame is 11, a supporting frame round hole is 12, a supporting frame fixing retainer ring is 13, a supporting plate I is 14, a supporting plate II is 15, a supporting plate adjusting hole is 16, a conical adjusting sleeve is 17, an adjusting nut is 18, a bearing gland is 19, a gland fixing hole is 20, a bearing is 21, and a mounting shaft is arranged.
Detailed Description
In fig. 1, the utility model is provided with a tool support 1 with three 120-degree angle uniform slotting, the middle of the tool support 1 is provided with a jack screw internally threaded hole 2, the three slotting positions of the tool support 1 are provided with pin holes 3, the tool support 1 is connected with a puller claw 5 by utilizing a pin shaft 4, the head of the puller claw 5 is provided with a puller Ma Zhaogou 6 which is convenient for the disassembly of the inner ring and the outer ring of a fixed bearing, the middle of the tool support 1 is provided with a jack screw 7, the jack screw is connected with the tool support 1 by the jack screw internally threaded hole 2, the top of the jack screw 7 is provided with a jack screw handle hole 8, a handle 9 is connected with the jack screw 7 by the jack screw handle hole 8, a support frame 10 is arranged in the middle of the jack screw 7, the support frame 10 adopts a support frame round hole 11 and two-side cylindrical structure design, two-side cylindrical ends are provided with support frame fixing check rings 12, the support frame 10 is connected with the support plate I13, the support plate I13 and the support plate II14 are fixed by utilizing different hole positions to adjust the height through the support plate adjusting holes 15, a conical adjusting sleeve 16 corresponding to the oblique angle of the puller claw 5 is arranged in the middle of the puller claw 5, the position of the puller Ma Zhaogou is realized by adjusting the matching position of the conical adjusting sleeve 16 and the oblique angle of the puller claw 5, an adjusting nut 17 is added at the position of the jackscrew rod 7 and the round hole 11 of the support frame, the jackscrew rod 7 is driven to perform linear motion by screwing the adjusting nut 17, the reverse motion of the puller and the support frame is realized, so that a bearing 20 in the bearing gland 18 is disassembled, and a gland fixing hole 19 on the bearing gland 18 is connected with equipment, so that the disassembling process of the bearing for hole forming is completed. The three claws of the three-claw puller adopt oblique angle design, a conical adjusting sleeve is additionally arranged among the three claws, and the locking of the puller Ma Zhaogou and the bearing inner ring is realized by adjusting the position of the conical sleeve to be matched with the oblique angle of the three claws, so that the convenient disassembly of bearings with different inner diameters is realized, the potential safety hazard in the disassembly process is eliminated, and the overhaul working efficiency is improved.
As shown in fig. 2, the shaft bearing is disassembled by reversing the direction of the puller claw, disassembling the supporting frame 10 from the supporting plate assembly, only reserving the tool support 1, the propping internal threaded hole 2, the pin shaft hole 3, the pin shaft 4, the puller claw 5, the puller Ma Zhaogou, the jackscrew rod 7, the jackscrew rod handle hole 8 and the handle 9, placing the puller Ma Zhaogou below the outer ring of the bearing 20, propping the tip of the puller rod 7 at the shaft end of the mounting shaft 21, and completing the whole shaft bearing disassembling process under the action of the reaction force of screwing the puller rod 7 and the puller claw 5.
After the utility model is put into practice, the screw in the gland fixing hole 19 on the bearing gland 18 is removed, the bearing gland 18 is separated from the equipment, a special tool is taken out, an adjusting nut 17 and a support frame 10 are installed between the jacking screw rod 7 by utilizing a support frame round hole 11, a puller claw 5 and the jacking screw rod 7 are connected with a tool rack 1 by utilizing a pin shaft 4 and a jacking internal thread 2, a conical adjusting sleeve 16 is installed at the bottom of the jacking screw rod 7, a support plate I13 is respectively installed at two ends of the support frame 10, limit fixing is carried out by utilizing a support frame fixing retainer ring 12, the support plate I13 and a support plate II14 are adjusted and fixed by utilizing a support plate adjusting hole 15 according to the position height of a bearing 20 in the bearing gland 18, the puller claw 5 is penetrated into the bearing 20, the conical adjusting sleeve 16 locks a puller Ma Zhaogou and the inner ring of the bearing 20, the puller claw 7 and the support frame 10 are clockwise rotated by utilizing a spanner, the puller screw rod 7 drives the tool rack 1 and the puller claw 5 to integrally move upwards under the reaction force of the support frame 10 and the support plate assembly, and the bearing 20 is separated from the bearing gland 18, and the disassembly process is completed. The potential safety hazards such as cutting hammering and the like for bearing disassembly are thoroughly eliminated, the intrinsic safety of standardized operation of bearing disassembly operation is truly realized, and the overhaul working efficiency is improved.
Claims (1)
1. A special tool for disassembling a shaft hole dual-purpose bearing is provided with a tool support with three 120-degree angles which are uniformly grooved, a jacking internal thread hole is formed in the middle of the tool support, a pin shaft hole is formed in the grooved position of the three sides of the tool support, the tool support is connected with a puller jaw through a pin shaft, and a puller Ma Zhaogou is arranged at the head of the puller jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421388492.1U CN222627641U (en) | 2024-06-18 | 2024-06-18 | Special tool for disassembling shaft hole dual-purpose bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421388492.1U CN222627641U (en) | 2024-06-18 | 2024-06-18 | Special tool for disassembling shaft hole dual-purpose bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222627641U true CN222627641U (en) | 2025-03-18 |
Family
ID=94962581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421388492.1U Active CN222627641U (en) | 2024-06-18 | 2024-06-18 | Special tool for disassembling shaft hole dual-purpose bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222627641U (en) |
-
2024
- 2024-06-18 CN CN202421388492.1U patent/CN222627641U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |