CN203185268U - Gear shaft bearing inner ring dismounting tool - Google Patents
Gear shaft bearing inner ring dismounting tool Download PDFInfo
- Publication number
- CN203185268U CN203185268U CN 201320144949 CN201320144949U CN203185268U CN 203185268 U CN203185268 U CN 203185268U CN 201320144949 CN201320144949 CN 201320144949 CN 201320144949 U CN201320144949 U CN 201320144949U CN 203185268 U CN203185268 U CN 203185268U
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- CN
- China
- Prior art keywords
- tube
- gear shaft
- bearing inner
- dismounting
- gear
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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.)
- Expired - Fee Related
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- 239000011324 bead Substances 0.000 claims description 13
- 238000005267 amalgamation Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
A gear shaft bearing inner ring dismounting tool comprises a dismounting ring, a lifting-up barrel and a supporting barrel. The dismounting ring is formed by splicing three fan-shaped blocks provided with inner teeth, the inner teeth are matched with tooth grooves of a gear shaft to be dismounted, the fan-shaped blocks are spliced outside the gear shaft, the inner teeth of the fan-shaped blocks are inserted into corresponding tooth grooves of the gear shaft in a clearance fit mode, and the tip diameter of the dismounting ring is smaller than the outer diameter of a bearing inner ring. The lower end of the dismounting ring is inserted into the lifting-up barrel, and the lifting-up barrel is placed on the supporting barrel. The inner teeth of the dismounting ring limit the bearing inner ring but do not limit a gear, and dismounting is performed in a mode that the bearing inner ring and the gear are separated through pressure of an oil press, so that the gear shaft bearing inner ring dismounting tool is convenient and quick. The gear shaft bearing inner ring dismounting tool does not damage a bearing in the dismounting process, is safe and wide in application range and is especially suitable for dismounting operation of the gear shaft bearing inner ring with no gap or a small gap between the gear end face and the end face of the bearing inner ring.
Description
Technical field
The utility model relates to gear shaft bearing inner race extracting tool.
Background technology
Bearing is the critical component of rolling stock gear drive.The quality of bearing quality directly has influence on the key performance such as transmission stability, noise level, life-span of gear drive.The driving gear of rolling stock gear drive is gear shaft, modal structure is respectively to be provided with a cover taper roll bearing in the both sides of gear shaft gear position, this taper roll bearing inner ring and outer ring are separable, bearing outer ring and bearing block interference fit, inner ring and gear shaft interference fit.Repair in the especially scheduled overhaul operation at gear drive, all parts (comprising bearing) of driving gear shaft all need be dismantled and overhauled and change, this just needs a kind of conveniently extracting tool.Now generally adopt the mode of shaft shoulder formula hydraulic pressure dismounting, but this method need leave appropriate gap between gear face and bearing inner race end face, dismantle frock like this and can insert this gap, the displacement of back restriction bearing inner race is with its dismounting thereby hydraulic press is exerted pressure.This mode must be at shaft shoulder of gear two sides design, limited the width of gear contact-making surface, especially under the less situation in gear-box space, may influence the bearing strength of gear, and the assembly unit of this dismounting frock needs to tighten with bolt after good fixing, so the extracting tool assembling is more loaded down with trivial details, waste time and energy, therefore need a kind of bearing inner race of gear shaft preferably extracting tool, both otherwise influence the design of gear interface width, guaranteed under the prerequisite of not damaging bearing, to carry out quickly and easily the field-strip of bearing inner race again.
The utility model content
The purpose of this utility model is to propose a kind of gear shaft bearing inner race extracting tool, can quickly and easily the gear shaft bearing inner race be dismantled.
For achieving the above object, the utility model is taked following technical scheme:
Gear shaft bearing inner race extracting tool of the present utility model, comprise the dismounting circle, hold up tube and support tube: the dismounting circle is combined into by 3 secter pats with internal tooth, the teeth groove coupling of internal tooth and gear shaft to be torn open, the secter pat amalgamation is in the gear outside of gear shaft, the internal tooth of each secter pat inserts in the corresponding teeth groove of gear shaft and be matched in clearance, and the tip diameter that dismounting is enclosed is less than the external diameter of bearing inner race; The lower end of dismounting circle is inserted and is held up in the tube, holds up tube and is placed on the support tube.
The lower surface of each secter pat is provided with raised line along interior circular arc limit, thereby the lower surface at the dismounting circle that is combined into by each secter pat forms bulge loop, the upper surface of picking-up tube is provided with the annular groove around self tube accent, and the bulge loop insertion of dismounting circle holds up in the annular groove of tube.
The described lower surface that holds up tube is provided with the annular bead around self tube accent, and the annular bead that holds up tube is inserted in the tube chamber of support tube.
Be provided with below support tube and increase tube, support tube is placed on to be increased on the tube.
The lower surface of described support tube is provided with the annular bead around self tube accent, and the upper surface of increasing tube is provided with the annular groove around self tube accent, and the annular bead of support tube is inserted in the annular groove of increasing tube.
The utlity model has following good effect: the internal tooth of dismounting circle of the present utility model is spacing but not spacing to gear to bearing inner race, and the mode that bearing inner race is separated by hydraulic press pressure with gear is dismantled again, so convenient, fast.The utility model does not have requirement to the gap between gear face and the bearing inner race end face, make things convenient for the design of gear interface width, do not damage bearing safety in the unloading process, so this device is applied widely, be particularly useful for the less tooth axle bearing inner ring field-strip in no gap or gap between gear face and the bearing inner race end face.
Description of drawings
Fig. 1 is the view of the utility model embodiment 1.
Fig. 2 is the complete section figure of Fig. 1.
Fig. 3 is the view of the utility model embodiment 2.
Fig. 4 is the complete section figure of Fig. 3.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the view of dismounting circle.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the view that holds up tube.
Fig. 9 is the view of support tube.
Figure 10 is the view of increasing tube.
The specific embodiment
See Fig. 1, Fig. 2, Fig. 5 to Fig. 9, present embodiment comprises dismounting circle 1, holds up tube 2 and support tube 3.The dismounting circle is that the secter pat 1-1 of 3 120 ° of central angles is combined into, and each secter pat 1-1 has at least one internal tooth, and the internal tooth 1-2 of secter pat 1-1 mates with the teeth groove of gear shaft 5 to be torn open.1 amalgamation of dismounting circle is in the gear outside of gear shaft 5, and the internal tooth 1-2 of each secter pat 1-1 inserts in the corresponding teeth groove of gear shaft and is matched in clearance, namely at the bottom of the tooth top of internal tooth 1-2 and gear, the tooth, the flank of tooth all leaves suitable gap.Dismantle the tip diameter d of circle 1 less than the D outer diameter of bearing inner race 6, the lower surface that reaches bearing inner race 6 can be supported in the upper surface of dismounting circle internal tooth 1-2, and gear shaft 5 can move along dismounting circle 1.
The lower surface of each secter pat 1-1 is provided with raised line along interior circular arc limit, thereby the lower surface at the dismounting circle 1 that is combined into by each secter pat 1-1 forms bulge loop 1a, the upper surface of picking-up tube 2 is provided with the annular groove 2a around the tube accent, the bulge loop 1a of dismounting circle 1 inserts among the annular groove 2a that holds up tube 2, the groove bottom of the annular groove 2a of tube 2 is supported and held up in the lower surface of the annular bead 1a of dismounting circle 1, makes to hold up tube 2 and link together with support tube 3.Hold up tube 2 and utilize annular groove 2a that dismounting circle 1 is wrapped, thereby prevent that dismounting circle 1 from falling apart.The outer wall that holds up tube 2 is provided with a pair of handle 2-1, convenient carrying.
The described lower surface that holds up tube is provided with the annular bead 2b around self tube accent, and the annular bead 2b that holds up tube 2 inserts in the tube chamber of support tube 3, holds up tube and links together with support tube 3.A pair of handle 3-1 is fixedly arranged on the outer wall of support tube 3.
See Fig. 3, Fig. 4 and Figure 10, below support tube 3, be provided with and increase tube 4, the lower surface of described support tube 3 is provided with the protruding circle of the shape 3a around self tube chamber collar extension, increase tube 4 upper surface and be provided with annular groove 4a around self tube accent, the annular bead 3a of support tube 3 inserts among the annular groove 4a that increases tube 4, the groove bottom of the annular groove 4a of tube 4 is supported and increased in the lower surface of the annular bead 3a of support tube 3, makes support tube 3 and increase tube 4 to link together.Increase on tube 4 the outer wall and fix a pair of handle 4-1.
The utility model is spacing but not spacing to gear shaft 5 to bearing inner race 6 by dismounting circle internal tooth, by hydraulic press pressure bearing inner race 6 is separated with gear shaft 5, in unloading process, individual separating distance need be arranged, when the bearing at dismounting middle part, separating distance is less, see Fig. 1 and Fig. 2 so on hydraulic press platform 8, only place a support tube 3(), and during the bearing on disengage gear axle axle head (seeing Fig. 3 and Fig. 4), because separating distance is bigger, increase tube 4 so need below support tube 3, place one.
When bearing inner race 6 field-strips of carrying out gear shaft 5, earlier the secter pat 1-1 of dismounting circle 1 is trapped among the outside of gear shaft gear, the internal tooth of secter pat 1-1 is inserted the corresponding outer between cog of gear, notice that the internal tooth of secter pat 1-1 and the gear of gear shaft can not contact, the internal tooth upper surface of secter pat 1-1 and bearing inner race 6 lower surfaces are close to.Be enclosed within on the bulge loop of dismantling circle 1 holding up tube 2 ends with groove, secter pat 1-1 is combined into dismounting circle 1.Lift and hold up tube 2, wait to tear open gear shaft 5 and bearing 6 along with lifting, be placed on the support tube 3 holding up tube 2, the space that has between the axle head of gear shaft 5 lower ends and the hydraulic press platform 8 is as the separating distance of gear shaft and bearing inner race, adjust support tube 3 positions, make gear shaft center line and hydraulic press pressure head central lines, can cushion block 7 be set at the axle head of gear shaft upper end, cushion block 7 is used for adjusting the distance between gear shaft and the hydraulic press pressure head.The downward pressure pad piece 7 of hydraulic press, along with constantly moving down of pressure head, gear shaft 5 slowly moves down, because dismounting circle 1 and picking-up tube are fixed together, be subjected to the support of support tube jointly, support tube is irremovable, so bearing inner race is subjected to dismantling stopping and can not moving of circle 1, bearing inner race 6 relative displacement just takes place up to bearing inner race is disassembled with gear shaft 5 like this.
Claims (5)
1. gear shaft bearing inner race extracting tool, it is characterized in that, comprise dismounting circle (1), hold up tube (2) and support tube (3): dismounting circle (1) is combined into by 3 secter pats (1-1) with internal tooth (1-2), the teeth groove coupling of internal tooth (1-2) and gear shaft (5) to be torn open, secter pat (1-1) amalgamation is in the gear outside of gear shaft (5), the internal tooth (1-2) of each secter pat (1-1) inserts in the corresponding teeth groove of gear shaft (5) and be matched in clearance, and dismounting is enclosed the tip diameter (d) of (1) less than the external diameter (D) of bearing inner race (6); The lower end (1-1) of dismounting circle (1) is inserted and is held up in the tube (2), holds up tube (2) and is placed on the support tube (3).
2. gear shaft bearing inner race extracting tool according to claim 1, it is characterized in that: the lower surface of each secter pat (1-1) is provided with raised line along interior circular arc limit, thereby the lower surface at the dismounting circle (1) that is combined into by each secter pat (1-1) forms bulge loop (1a), the upper surface of picking-up tube (2) is provided with the annular groove (2a) around self tube accent, and bulge loop (1a) insertion of dismounting circle (1) holds up in the annular groove (2a) of tube (2).
3. gear shaft bearing inner race extracting tool according to claim 1 and 2, it is characterized in that: the described lower surface that holds up tube (2) is provided with the annular bead (2b) around self tube accent, and the annular bead (2b) that holds up tube (2) is inserted in the tube chamber of support tube (3).
4. gear shaft bearing inner race extracting tool according to claim 3 is characterized in that: be provided with in the below of support tube (3) and increase tube (4), support tube (3) is placed on to be increased on the tube (4).
5. gear shaft bearing inner race extracting tool according to claim 4, it is characterized in that: the lower surface of described support tube (3) is provided with the annular bead (3a) around self tube accent, the upper surface of increasing tube (4) is provided with the annular groove (4a) around self tube accent, and the annular bead (3a) of support tube (3) is inserted in the annular groove (4a) of increasing tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144949 CN203185268U (en) | 2013-03-27 | 2013-03-27 | Gear shaft bearing inner ring dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144949 CN203185268U (en) | 2013-03-27 | 2013-03-27 | Gear shaft bearing inner ring dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203185268U true CN203185268U (en) | 2013-09-11 |
Family
ID=49102159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320144949 Expired - Fee Related CN203185268U (en) | 2013-03-27 | 2013-03-27 | Gear shaft bearing inner ring dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203185268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458675A (en) * | 2016-01-25 | 2016-04-06 | 成都南车电机有限公司 | Traction motor bearing taking-out device and method |
| CN113001469A (en) * | 2021-03-15 | 2021-06-22 | 明阳智慧能源集团股份公司 | Assembly method for flexible output gear shaft of wind power yaw speed reducer |
-
2013
- 2013-03-27 CN CN 201320144949 patent/CN203185268U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458675A (en) * | 2016-01-25 | 2016-04-06 | 成都南车电机有限公司 | Traction motor bearing taking-out device and method |
| CN113001469A (en) * | 2021-03-15 | 2021-06-22 | 明阳智慧能源集团股份公司 | Assembly method for flexible output gear shaft of wind power yaw speed reducer |
| CN113001469B (en) * | 2021-03-15 | 2022-03-22 | 明阳智慧能源集团股份公司 | Assembly method for flexible output gear shaft of wind power yaw speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model |
Correction item: First patent right Correct: Changzhou Ruiyang Transmission Technology Co., Ltd. False: Changzhou RuiYang Transmission Technology Co., Ltd. Number: 37 Page: The title page Volume: 29 |
|
| CU03 | Publication of corrected utility model |
Correction item: First patent right Correct: Changzhou Ruiyang Transmission Technology Co., Ltd. False: Changzhou RuiYang Transmission Technology Co., Ltd. Number: 37 Volume: 29 |
|
| ERR | Gazette correction | ||
| RECT | Rectification | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: The new North Xue 213125 town in Jiangsu province Changzhou City Shun Road No. 19 Co-patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee after: CHANGZHOU RUIYANG TRANSMISSION TECHNOLOGY Co.,Ltd. Address before: 213000 Jiangsu province Suzhou City New District Xue Shun Road No. 19 Co-patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. Patentee before: CHANGZHOU RUIYANG TRANSMISSION TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20210327 |