CN107363780B - Extracting tool of roller installation bearing - Google Patents
Extracting tool of roller installation bearing Download PDFInfo
- Publication number
- CN107363780B CN107363780B CN201710803581.6A CN201710803581A CN107363780B CN 107363780 B CN107363780 B CN 107363780B CN 201710803581 A CN201710803581 A CN 201710803581A CN 107363780 B CN107363780 B CN 107363780B
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- shaped
- positioning block
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- 238000009434 installation Methods 0.000 title claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a dismounting tool for a bearing mounted on a roller shaft, which comprises two U-shaped side plates, wherein bolts are fixed on two support arms of each U-shaped side plate, the openings of the two U-shaped side plates are in consistent and parallel arrangement, the two U-shaped side plates are in mirror symmetry along a central plane parallel to the two U-shaped plates, the bolts on the two support arms of the two U-shaped side plates are positioned between the two U-shaped side plates in pairs and are coaxially opposite, each two bolts of the two U-shaped side plates, which are opposite in pairs and have the same horizontal height, are sleeved in a bidirectional adjusting nut sleeve together, and the dismounting tool for the bearing mounted on the roller shaft is convenient to use and free from the influence of the length of the end head of the roller shaft when the end head of the roller shaft is longer.
Description
Technical Field
The invention relates to the technical field of bearing equipment, in particular to a disassembling tool for a roller mounting bearing.
Background
The existing disassembling tool for mounting the bearing on the roller shaft is mostly as described in Chinese patent application publication numbers CN200951546Y and CN101879712A, and comprises a support plate, pull rods are fixed on two sides of the support plate, a lead screw with a shift lever is arranged in the center of the support plate, and a claw fixed by a screw is arranged at the end of each pull rod. When the device works, the inner side face of the bearing assembly is grabbed by the claw, the lead screw is rotated, after the end part of the lead screw props against the end face or the end face center hole of the roll shaft, the lead screw is continuously rotated, so that the pull rod on the support plate and the claw axially move relative to the lead screw under the condition that the lead screw propping against the end face of the roll shaft cannot axially move, and the bearing is taken out of the roll shaft assembly. The dismounting tool for the roller shaft mounting bearing has the following defects: 1) The pulling claw axially extends into one end of the roll shaft to grasp the inner side surface of the bearing assembly, the end of the roll shaft is required not to be too long, and under the condition that the end of the roll shaft is too long, the pulling rod is limited in length, so that the pulling claw cannot reach the position of the inner side surface of the bearing assembly easily, the pulling claw cannot be used, and the applicability is poor; 2) When the device works, the screw rod props against the end face or the end face central hole of the roll shaft, and force directly acts on the end face or the end face central hole of the roll shaft, so that the surface of the end face or the central hole at the end face of the roll shaft is easily damaged; 3) When the bearing assembly comprises a bearing and a bearing seat with end covers at two sides, the end head of the roller shaft is generally positioned in the bearing seat after the roller shaft is installed, and the end face or the end face central hole of the roller shaft can be contacted with the end part of the lead screw by pushing, before the bearing assembly is disassembled, the end cover at the outer side of the bearing seat is usually required to be disassembled, so that the disassembly operation is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to provide a disassembling tool for a roller shaft mounting bearing.
The technical scheme for achieving the purpose of the invention is that the dismounting tool for the bearing installed on the roller shaft comprises two U-shaped side plates, bolts are fixed on two support arms of each U-shaped side plate, the bolts on the two support arms of each U-shaped side plate are perpendicular to the respective U-shaped side plate, openings of the two U-shaped side plates face the same direction and are arranged in parallel, the two U-shaped side plates are in mirror symmetry along a central plane parallel to the two U-shaped plates, the bolts on the two support arms of the two U-shaped side plates are located between the two U-shaped side plates and are coaxially opposite to each other, each two groups of two bolts with the same horizontal height and opposite to each other are sleeved in a bidirectional adjusting nut sleeve together, two sections of threads with opposite rotating directions are arranged in the bidirectional adjusting nut sleeve, the two bolts with the same horizontal height on the two U-shaped side plates are matched with the two sections of threads of the corresponding bidirectional adjusting nut sleeves one by one, when the dismounting tool is in operation, the roller shaft to be dismounted on the bearing assembly is located inside the U-shaped space of the two U-shaped side plates, and the roller shaft bearing assembly on the two U-shaped side plates is located between the roller shaft.
Further, the disassembling tool for the roller mounting bearing further comprises a positioning block with a V-shaped opening, the positioning block is located in the middle of the bottom of the U-shaped side plate and located in the middle of the two U-shaped side plates, the V-shaped opening of the positioning block is consistent with the opening direction of the U-shaped side plate, more than two horizontal through holes are formed in the positioning block, every two opposite horizontal fixing shafts are fixed on the side walls of the two U-shaped side plates respectively, every two opposite horizontal fixing shafts correspond to the horizontal through holes in the positioning block in position, every two opposite horizontal fixing shafts are movably arranged in the horizontal through holes corresponding in position through the two ends of the horizontal through hole of the positioning block respectively, in operation, the two side walls of the V-shaped opening of the positioning block are tangent to the roller shaft, and two bolt connecting lines on the two arms of each U-shaped side plate pass through the shaft center of the roller shaft. The size of the V-shaped opening of the positioning block is set according to the size of the roller shaft, when two side walls of the V-shaped opening of the positioning block are tangent to the roller shaft, two bolt connecting lines on two support arms of each U-shaped side plate pass through the axis of the roller shaft, so that the roller shaft is clamped in the positioning block when the same-size roller shaft bearing assembly is disassembled at a later time, two side walls of the V-shaped opening are tangent to the roller shaft, the disassembling tool for the roller shaft mounting bearing can be positioned, two bolt connecting lines on two support arms of the U-shaped side plates pass through the axis of the roller shaft, and further when the two U-shaped side plates are in top contact with the inner side faces of the roller shaft roller and the bearing assembly, acting force is more balanced, the inner side faces of the roller shaft roller and the bearing assembly are prevented from being damaged due to one-side stress, and the bearing assembly is difficult to disassemble. After the roll shaft is positioned by the positioning block, the bidirectional adjusting nut sleeve is rotated, and the two U-shaped side plates and the horizontal fixing shaft on the two U-shaped side plates move along the horizontal through hole of the positioning block.
Furthermore, first magnetic blocks are embedded in two side walls of the V-shaped opening of the positioning block and are close to the tangent point of the corresponding side wall of the V-shaped opening of the positioning block, which is tangent to the roller shaft. The roller is steel product usually, is magnetism, through embedding first magnetic path on locating piece V-arrangement open-ended both sides wall to the during operation, the locating piece is adsorbable on the roller, avoids operating personnel because of losing one's hand, the extracting tool upset of roller installation bearing drops, and causes extracting tool to damage, personnel's incident even.
Furthermore, a graduated scale is arranged at one end of the bidirectional adjusting nut sleeve along the circumference of the bidirectional adjusting nut sleeve. Therefore, an operator can conveniently observe the rotating angles of the two bidirectional adjusting nut sleeves, and further, the acting force is consistent when the two support arms of each U-shaped side plate are pressed against the inner side surface of the roll shaft roller or the bearing assembly.
Furthermore, a second magnetic block is embedded on the outer side walls of the two support arms of each U-shaped side plate. So that when two arms of U-shaped curb plate pushed up and touched roller and bearing assembly medial surface, two U-shaped curb plates can adsorb respectively on roller and bearing assembly medial surface, avoid operating personnel because of losing one's hands, the extracting tool upset of roller installation bearing drops, and causes extracting tool to damage, personnel's incident even.
Furthermore, the second magnetic block is positioned on the corresponding support arm of the U-shaped side plate and corresponds to the position of the bolt. The bolt department of two support arms of U-shaped curb plate, the atress is the biggest, and corresponding position, under the effect of second magnetic path, the U-shaped curb plate adsorbs with roller or bearing assembly medial surface most firmly, and the reliability is higher.
Furthermore, a gasket is arranged between the roll shaft roller and the U-shaped side plate close to the roll shaft roller or between the inner side surface of the bearing assembly and the U-shaped side plate close to the bearing assembly. So that the bearing assembly can still be suitable when the sum of the strokes of the two bolts can not meet the requirement of ejecting the bearing assembly.
The invention relates to a dismounting tool for a roller shaft mounting bearing, which is characterized in that two U-shaped side plates are sleeved outside a roller shaft between a roller shaft roller and a bearing assembly when in work, then a bidirectional adjusting nut sleeve is rotated to enable two bolts in each bidirectional adjusting nut sleeve and two U-shaped side plates fixed with the two bolts to move reversely, the distance between the two U-shaped side plates is gradually increased due to the reverse movement, then the two U-shaped side plates respectively push against the inner side surfaces of the roller shaft roller and the bearing assembly until the bearing assembly is ejected out to be separated from the roller shaft, and the bearing assembly is dismounted from the roller shaft, and the dismounting tool for the roller shaft mounting bearing has the advantages that:
1) The U-shaped side plate is sleeved outside the roll shaft from the side part of the roll shaft, and then the bidirectional adjusting nut sleeve is rotated to enable the U-shaped side plate to be abutted against the inner side surface of the bearing assembly, so that the tool is different from the existing tool for disassembling the bearing for installing the roll shaft, and does not need to axially extend from the end head of the roll shaft to grasp the inner side surface of the bearing assembly, namely the tool for disassembling the bearing for installing the roll shaft is not influenced by the length of the end head of the roll shaft, can still be used under the condition of longer length of the end head of the roll shaft, has a large application range and is convenient to use;
2) When the roller bearing device works, the action surfaces of the two U-shaped side plates which are in top contact with the inner side surfaces of the roller shaft roller and the bearing assembly are large, the pressure intensity of the stressed positions of the roller shaft roller and the bearing assembly is small, and the bearing assembly, particularly the roller shaft roller, cannot be damaged;
3) When the bearing assembly works, the U-shaped side plate pushes against the roller shaft roller instead of the end face of the roller shaft, so that the bearing assembly comprises a bearing and a bearing seat with end covers on two sides, when the end of the roller shaft is positioned in the bearing seat, the end cover on the outer side of the bearing seat is not required to be detached, and the operation is convenient.
Drawings
FIG. 1 is a schematic front view of a disassembling tool for a roller mounting bearing according to the present invention;
FIG. 2 is a left side view of the dismounting tool for the roller mounting bearing of the present invention;
FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic structural view of a positioning block and two U-shaped side plates of the dismounting tool for mounting a bearing on a roller shaft according to the present invention;
FIG. 6 is a schematic structural diagram of a positioning block of the disassembling tool for the roller mounting bearing of the present invention;
FIG. 7 is a schematic structural view of the dismounting tool for mounting a bearing on a roller shaft provided with a gasket according to the present invention.
Detailed Description
As shown in fig. 1 to 4, a dismounting tool for a roller shaft mounting bearing comprises two U-shaped side plates 1, two arms 11 of each U-shaped side plate 1 are fixed with bolts 2, the bolts 2 on the two arms 11 of each U-shaped side plate 1 are perpendicular to the respective U-shaped side plate 1, the openings of the two U-shaped side plates 1 are oriented in the same direction and are arranged in parallel, the two U-shaped side plates 1 are mirror-symmetrical along a central plane parallel to the two U-shaped side plates 1, the bolts 2 on the two arms 11 of the two U-shaped side plates are located between the two U-shaped side plates 1, two bolts 2 at the same horizontal height and in two pairs between the two U-shaped side plates 1 are coaxially opposite, two bolts 2 at the same horizontal height and in two pairs between the two U-shaped side plates 1 are sleeved in a bidirectional adjusting nut sleeve 3, two threads in opposite rotation directions are arranged in the bidirectional adjusting nut sleeve 3, the two bolts 2 at the same horizontal height and the two threads of the corresponding bidirectional adjusting nut sleeve 3 are matched one by one, when the dismounting tool works, a roller shaft 201 to be dismounted from the upper bearing assembly 10 is located in the U-shaped space of the two U-shaped side plates 1, and the roller shaft 201 located between the roller 202 and the roller shaft 201 located between the roller 201.
As shown in fig. 3 and 5, the dismounting tool for the roller mounting bearing further includes a positioning block 4 having a V-shaped opening 41, the positioning block 4 is located in the middle of the bottom 12 of the U-shaped side plate 1, the positioning block 4 is located between the two U-shaped side plates 1, the V-shaped opening 41 of the positioning block 4 and the opening of the U-shaped side plate 1 face in the same direction, the positioning block 4 has more than two horizontal through holes 42, two pairs of opposite horizontal fixing shafts 12 are respectively fixed on the side walls of the two U-shaped side plates 1, each pair of opposite horizontal fixing shafts 12 corresponds to the horizontal through holes 42 on the positioning block 4, each pair of opposite horizontal fixing shafts 12 respectively movably penetrate through the horizontal through holes 42 corresponding to the positions from the two ends of the horizontal through hole 42 of the positioning block 4, during operation, two side walls of the V-shaped opening 41 of the positioning block 4 are tangent to the roller shaft 201, and a connection line of the two bolts 2 on the two support arms 11 of each U-shaped side plate passes through the axis 201. The size of the V-shaped opening 41 of the positioning block is set according to the size of the roller shaft 201, and when two side walls of the V-shaped opening 41 of the positioning block 4 are tangent to the roller shaft 201, two bolt 2 connecting lines on two support arms 11 of each U-shaped side plate pass through the axis of the roller shaft 201, so that when the bearing assembly 10 on the roller shaft 201 with the same size is disassembled at a later time, the roller shaft 201 is clamped in the positioning block 4, the two side walls of the V-shaped opening 41 are tangent to the roller shaft 201, the disassembling tool for installing the bearing of the roller shaft can be positioned, the two bolt 2 connecting lines on the two support arms 11 of the U-shaped side plates pass through the axis of the roller shaft 201, and further, when the two U-shaped side plates 1 are abutted to the inner side surfaces of the roller shaft roller 202 and the bearing assembly 10, acting forces are more balanced, the damage caused by the stress of the inner side surfaces of the roller shaft roller 202 and the bearing assembly 10 is avoided, and the bearing assembly 10 is difficult to disassemble. After the positioning block 4 positions the roller shaft 201, the bidirectional adjusting nut sleeve 3 is rotated, and the two U-shaped side plates 1 and the horizontal fixing shaft 12 thereon move along the horizontal through hole 42 of the positioning block 4.
As shown in fig. 6, the first magnetic blocks 43 are embedded on two side walls of the V-shaped opening 41 of the positioning block, and the first magnetic blocks 43 are close to a tangent point P where the corresponding side wall of the V-shaped opening 41 of the positioning block is tangent to the roller shaft 201. Roll 201 is steel product usually, is magnetism, through embedding first magnetic path 43 on the both sides wall at locating piece V-arrangement opening 41 to the during operation, locating piece 4 is adsorbable on roll 201, avoids operating personnel because of losing one's hand, the extracting tool commentaries on classics of roll installation bearing drops, and causes extracting tool to damage, personnel's incident even.
As shown in fig. 1, one end of the bidirectional adjusting nut sleeve 3 is provided with a graduated scale 31 along the circumference thereof. In this way, the operator can easily observe the rotation angle of the two-way adjusting nut sets 3, so as to ensure that the forces are the same when the two arms 11 of each U-shaped side plate 1 contact the inner side of the roll barrel 202 or the bearing assembly 10.
As shown in fig. 3 and 5, a second magnetic block 13 is embedded on the outer side wall of the two support arms 11 of each U-shaped side plate 1. So that two arms 11 of U-shaped curb plate 1 push up and touch roller 202 and bearing assembly 10 medial surface, two U-shaped curb plates 1 can adsorb respectively on roller 202 and bearing assembly 10 medial surface, avoid operating personnel because of losing one's hand, the extracting tool of roller installation bearing changes and drops, and causes extracting tool to damage, personnel's incident even.
As shown in fig. 3 and 5, the second magnetic block 13 is positioned on the corresponding arm 11 of the U-shaped side plate corresponding to the bolt 2. The bolt 2 of two support arms 11 of U-shaped curb plate department, the atress is the biggest, and corresponding position, under the effect of second magnetic path 13, the U-shaped curb plate adsorbs with roller 202 or the bearing assembly 10 medial surface most firmly, and the reliability is higher.
When the dismounting tool for the roller shaft mounting bearing works, the two U-shaped side plates 1 are sleeved outside the roller shaft 201 between the roller shaft roller 202 and the bearing assembly 10, then the two-way adjusting nut sleeves 3 are rotated to enable the two bolts 2 in each two-way adjusting nut sleeve 3 and the two U-shaped side plates 1 fixed with the two bolts 2 to move in opposite directions, the distance between the two U-shaped side plates 1 is gradually increased due to the opposite movement, then the two U-shaped side plates 1 respectively push against the inner side surfaces of the roller shaft roller 202 and the bearing assembly 10 until the bearing assembly 10 is ejected out to be separated from the roller shaft 201, and the bearing assembly 10 is dismounted from the roller shaft 201.
The dismounting tool for the roller shaft mounting bearing has the following advantages:
1) The U-shaped side plate 1 is sleeved outside the roll shaft 201 from the side part of the roll shaft 201, then the two-way adjusting nut sleeve 3 is rotated to enable the U-shaped side plate 1 to be abutted to the inner side surface of the bearing assembly 10, and the dismounting tool is different from the existing dismounting tool for mounting the bearing on the roll shaft, and does not need to axially extend into the end of the roll shaft 201 to grasp the inner side surface of the bearing assembly 10, namely the dismounting tool for mounting the bearing on the roll shaft is used, the dismounting operation is not influenced by the length of the end of the roll shaft 201, the dismounting tool can still be used under the condition that the length of the end of the roll shaft 201 is longer, the application range is large, and the use is convenient;
2) When the roller shaft roller bearing device works, the action surfaces of the two U-shaped side plates 1 which are in top contact with the inner side surfaces of the roller shaft roller 202 and the bearing assembly 10 are large, the pressure intensity of the stressed positions of the roller shaft roller 202 and the bearing assembly 10 is small, and the bearing assembly 10, particularly the roller shaft roller 202, cannot be damaged;
3) In operation, the U-shaped side plate 1 is pressed against the roller barrel 202 instead of the end face of the roller shaft 201, so that when the bearing assembly 10 comprises the bearing 101 and the bearing seat 102 with the end covers 103 at two sides, and the end of the roller shaft 201 is positioned in the bearing seat 102, the end cover 103 at the outer side of the bearing seat 102 does not need to be detached, and the operation is convenient.
According to the dismounting tool for the roller shaft mounting bearing, the roller shaft roller 202 and the U-shaped side plate 1 close to the roller shaft roller or the inner side surface of the bearing assembly 10 and the U-shaped side plate 1 close to the roller shaft roller can be further provided with the gasket 5, as shown in fig. 7, so that the dismounting tool can still be applied when the sum of the strokes of the two bolts 2 cannot meet the requirement of ejecting the bearing assembly 10.
According to the dismounting tool for the roller shaft mounting bearing, when the bolt 2 penetrates through the side wall of the U-shaped side plate 1, the bolt 2 is directly abutted against the inner side surfaces of the roller shaft roller 202 and the bearing assembly 10, and the second magnetic block 13 can be embedded in the bolt 2 under the structure.
In the dismounting tool for mounting the bearing on the roller shaft, the bearing assembly 10 can be a bearing assembly only comprising the bearing, and can also be a bearing assembly comprising the bearing 101 and a bearing seat 102 with two side end covers 103.
The dismounting tool for the roller shaft mounting bearing of the invention can still realize the aim of the invention because the two U-shaped side plates 1 are not strictly mirror-symmetrical along the central plane parallel to the two U-shaped plates 1, but have a certain slight dislocation, and the dismounting tool is also in the protection range of the dismounting tool for the roller shaft mounting bearing of the invention, and does not deviate from the protection range of the invention.
Claims (5)
1. The utility model provides a extracting tool of roller installation bearing which characterized in that: the two U-shaped side plates are fixed with bolts on two support arms, the bolts on the two support arms of each U-shaped side plate are perpendicular to the respective U-shaped side plate, the openings of the two U-shaped side plates face the same direction and are arranged in parallel, the two U-shaped side plates are in mirror symmetry along a central plane parallel to the two U-shaped side plates, the bolts on the two support arms of the two U-shaped side plates are positioned between the two U-shaped side plates in a pairwise coaxial opposite mode, two bolts of the same horizontal height, which are positioned in pairwise opposite mode, of each group between the two U-shaped side plates are sleeved in a bidirectional adjusting nut sleeve together, two sections of threads with opposite rotating directions are arranged in the bidirectional adjusting nut sleeve, the two bolts of the same horizontal height on the two U-shaped side plates are matched with the two sections of threads of the corresponding bidirectional adjusting nut sleeves one by one, in the working process, a roll shaft of which is required to be disassembled from a bearing assembly is positioned inside the U-shaped space of the two U-shaped side plates, and the two U-shaped side plates are positioned between a roll shaft and the bearing assembly on the roll shaft; the disassembling tool for the roller mounting bearing further comprises a positioning block with a V-shaped opening, the positioning block is located in the middle of the bottom of the U-shaped side plate and located between the two U-shaped side plates, the V-shaped opening of the positioning block and the opening of the U-shaped side plate face in the same direction, more than two horizontal through holes are formed in the positioning block, every two opposite horizontal fixing shafts are fixed on the side walls of the two U-shaped side plates respectively, every two opposite horizontal fixing shafts correspond to the horizontal through holes in the positioning block in position, every two opposite horizontal fixing shafts are movably arranged in the corresponding horizontal through holes in a penetrating mode from two ends of the horizontal through hole in the positioning block respectively, when the disassembling tool works, two side walls of the V-shaped opening of the positioning block are tangent to a roller shaft, and two bolt connecting lines on two arms of each U-shaped side plate pass through the axle center of the roller shaft; one end of the bidirectional adjusting nut sleeve is provided with a graduated scale along the circumference thereof.
2. The roller mounting bearing removal tool of claim 1, wherein: first magnetic blocks are embedded in two side walls of the V-shaped opening of the positioning block and are close to the tangent point of the corresponding side wall of the V-shaped opening of the positioning block and the roller shaft.
3. The roller mounting bearing removal tool of claim 1, wherein: and the outer side walls of the two support arms of each U-shaped side plate are embedded with second magnetic blocks.
4. The roller mount bearing removal tool of claim 3, wherein: the second magnetic block is positioned on the corresponding support arm of the U-shaped side plate and corresponds to the position of the bolt.
5. The roller mounting bearing removal tool of claim 1, wherein: and a gasket is arranged between the roll shaft roller and the U-shaped side plate close to the roll shaft roller or between the inner side surface of the bearing assembly and the U-shaped side plate close to the bearing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803581.6A CN107363780B (en) | 2017-09-08 | 2017-09-08 | Extracting tool of roller installation bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803581.6A CN107363780B (en) | 2017-09-08 | 2017-09-08 | Extracting tool of roller installation bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107363780A CN107363780A (en) | 2017-11-21 |
| CN107363780B true CN107363780B (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710803581.6A Active CN107363780B (en) | 2017-09-08 | 2017-09-08 | Extracting tool of roller installation bearing |
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| CN (1) | CN107363780B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732507B (en) * | 2019-01-14 | 2020-06-05 | 迅达（中国）电梯有限公司 | Method for replacing escalator drive spindle |
| CN114986728B (en) * | 2022-06-30 | 2024-06-14 | 青岛高测科技股份有限公司 | Automatic tensioning device for cutting roller of crystal silicon slicing machine, assembling method and slicing machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07201B2 (en) * | 1986-08-19 | 1995-01-11 | 新日本製鐵株式会社 | Rolling roll replacement method |
| CN103780030A (en) * | 2012-10-23 | 2014-05-07 | 江苏远东电机制造有限公司 | Rapid-insertion type motor rotor bearing disassembling tool |
| CN203125449U (en) * | 2013-04-03 | 2013-08-14 | 大唐巴彦淖尔风力发电有限责任公司 | Novel shaft pulling device with support seat |
| CN203192644U (en) * | 2013-04-27 | 2013-09-11 | 安徽省电力公司蚌埠供电公司 | Circuit Breaker Spring Replacement Tool |
| CN105215922A (en) * | 2014-06-19 | 2016-01-06 | 王攀峰 | Pull out wheel assistor |
| CN204135979U (en) * | 2014-09-09 | 2015-02-04 | 中船澄西船舶修造有限公司 | Oil motor rotor bearing disassembling fixture |
| CN204835318U (en) * | 2015-08-03 | 2015-12-02 | 国家电网公司 | A assembly and disassembly tools for circuit breaker mechanism energy -stored spring |
| CN204844019U (en) * | 2015-08-04 | 2015-12-09 | 昆山龙腾光电有限公司 | Work piece dismounting device |
| CN206455618U (en) * | 2017-02-23 | 2017-09-01 | 国网山西省电力公司晋城供电公司 | A kind of tool specially for attaching and detaching of the type breaker energy storage springs of VS1 12 |
| CN207155675U (en) * | 2017-09-08 | 2018-03-30 | 福建佶龙机械科技股份有限公司 | A kind of extracting tool of roll shaft installation bearing |
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- 2017-09-08 CN CN201710803581.6A patent/CN107363780B/en active Active
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| CN107363780A (en) | 2017-11-21 |
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