CN102996653A - Axial force compensation type bearing preloading device - Google Patents
Axial force compensation type bearing preloading device Download PDFInfo
- Publication number
- CN102996653A CN102996653A CN 201110269202 CN201110269202A CN102996653A CN 102996653 A CN102996653 A CN 102996653A CN 201110269202 CN201110269202 CN 201110269202 CN 201110269202 A CN201110269202 A CN 201110269202A CN 102996653 A CN102996653 A CN 102996653A
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- Prior art keywords
- bearing
- axial force
- cap
- transmission shaft
- bowl
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 5
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The invention discloses an axial force compensation type bearing preloading device. A transmission shaft is fixedly arranged in the bore of a bearing pedestal through a bearing, boss shoulders are fixedly arranged in the bores of the bearing pedestal, the boss shoulders contact with the outer ring of the bearing pedestal, bowl-shaped springs are arranged in spaces formed by the boss shoulders, a bearing cap and the bearing pedestal, the bearing cap is fixed on the bearing pedestal through fixed bolts and is screwed into the screwed hole at the end surface of the bearing cap through locknuts and lock-screws, and screws compress the bowl-shaped springs through the lock-screws. The axial force compensation type bearing preloading device which converts the heating extension amount of the transmission shaft into the compression amounts of the bowl-shaped springs has a compensation effect, and overcomes a defect that the whole device cannot normally run because of the bearing deadlocking and burnout easily caused by the unchanged preloading in the structure of a present bearing preloading device.
Description
Technical field
The present invention relates to a kind of bearing pre-tightening device, refer in particular to the compensation bearing pre-tightening device of axial force, belong to the Structure of Mechanical Parts technical field.
Background technique
Rolling bearing in the process of assembling, for make bearing movable steadily, reduce rotatable parts vibration, improve the life-span of running gear and the running accuracy that improves moving element, generally all to carry out pretension to the axial force of bearing.At present, the method of preloaded bearing generally is with bolt bearing cap to be fixed on above the bearing support, between bearing cap and bearing support, increase or reduce pad, the boss shoulder that makes bearing cap is strengthened the outer ring of bearing or inner ring impacting force or is weakened, the bearing pre-tightening device of this structure, after in case bearing installs, its axial pre tightening force is changeless, but machinery is in the process of running, because insufficient lubrication, component wear, overburdening, misoperation, and some other unusual reason, the capital makes moving element produce certain heat, if the heat that transmission shaft is accepted is excessive, transmission shaft is expanded excessively, elongation, still, because the two ends of transmission shaft are subjected to the constraint of bearing, as a result, just might be with bearing stuck even burn bearing, cause whole equipment to run well.
Summary of the invention
The invention provides the compensation bearing pre-tightening device of a kind of axial force, overcome in the structure of existing bearing pre-tightening device, because pretightening force is fixing inconvenience, easily cause the defective that bearing is stuck even burn, make whole equipment to run well.
The present invention realizes that the technological scheme that above-mentioned purpose adopts is: this invention comprises bearing cap, locking nut, screw, bowl type spring, the boss shoulder, bearing, transmission shaft, the bearing cap fixing bolt, bearing support, transmission shaft is fixedly installed in the endoporus of bearing support by bearing, and the boss shoulder is fixedly installed in the endoporus of bearing support, described boss shoulder contacts with the bearing support outer ring, described boss shoulder, be provided with a bowl type spring in the space that bearing cap and bearing support form, be fixed in above the bearing support by fixing bolt with bearing cap, be screwed in the tapped hole of bearing cap end face by the locked screw of locking nut, screw compresses bowl type spring by lock screw.
Beneficial effect of the present invention: the present invention is owing to being converted into decrement to bowl type spring with the elongation that is heated of transmission shaft, so play compensating action, overcome in the structure of existing bearing pre-tightening device, because pretightening force is fixing inconvenience, easily causes the defective that bearing is stuck even burn, make whole equipment to run well.
Description of drawings
Accompanying drawing 1 is the specific embodiment of the invention 1 schematic diagram.
Shown in the figure: 1, bearing cap; 2, locking nut; 3, screw; 4, bowl type spring; 5, boss shoulder; 6, bearing; 7, transmission shaft; 8, bearing cap fixing bolt; 9, bearing support.
Embodiment
In the drawings, this invention comprises bearing cap 1, locking nut 2, screw 3, bowl type spring 4, boss shoulder 5, bearing 6, transmission shaft 7, bearing cap fixing bolt 8, bearing support 9, transmission shaft 7 is fixedly installed in the endoporus of bearing support 9 by bearing 6, and boss shoulder 5 is fixedly installed in the endoporus of bearing support 9, described boss shoulder 5 contacts with bearing support 9 outer rings, described boss shoulder 5, be provided with a bowl type spring 4 in the space that bearing cap 1 and bearing support 9 form, be fixed in above the bearing support 9 by fixing bolt 8 with bearing cap 1, be screwed in the tapped hole of bearing cap 1 end face by locking nut 2 locked screws 3, screw 3 compresses by 2 pairs of bowl types of lock screw spring 4.The present invention is owing to being converted into decrement to bowl type spring 4 with the elongation that is heated of transmission shaft 7, so play compensating action, overcome in the structure of existing bearing pre-tightening device, because pretightening force is fixing inconvenience, easily causes the defective that bearing is stuck even burn, make whole equipment to run well.
Claims (1)
1. the compensation bearing pre-tightening device of axial force, this invention comprises bearing cap (1), locking nut (2), screw (3), bowl type spring (4), boss shoulder (5), bearing (6), transmission shaft (7), fixing bolt (8), bearing support (9), it is characterized in that: transmission shaft (7) is fixedly installed in the endoporus of bearing support (9) by bearing (6), and boss shoulder (5) is fixedly installed in the endoporus of bearing support (9), described boss shoulder (5) contacts with bearing support (9) outer ring, described boss shoulder (5), be provided with a bowl type spring (4) in the space that bearing cap (1) and bearing support (9) form, be fixed in above the bearing support (9) by fixing bolt (8) with bearing cap (1), be screwed into by the locked screw of locking nut (2) (3) in the tapped hole of bearing cap (1) end face, screw (3) compresses bowl type spring (4) by lock screw (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110269202 CN102996653A (en) | 2011-09-13 | 2011-09-13 | Axial force compensation type bearing preloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110269202 CN102996653A (en) | 2011-09-13 | 2011-09-13 | Axial force compensation type bearing preloading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102996653A true CN102996653A (en) | 2013-03-27 |
Family
ID=47925623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110269202 Pending CN102996653A (en) | 2011-09-13 | 2011-09-13 | Axial force compensation type bearing preloading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102996653A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108471A (en) * | 2015-09-23 | 2015-12-02 | 中国重型机械研究院股份公司 | Adjustable pretightening and fixing device |
| CN109306996A (en) * | 2017-07-26 | 2019-02-05 | 杨洁薇 | brake lock nut |
| CN110319122A (en) * | 2018-03-28 | 2019-10-11 | 襄阳汽车轴承股份有限公司 | The dedicated coupling mechanism force of constant velocity cardan joint assembly can adjust separate type Full connected bearing spider |
| CN112096834A (en) * | 2020-09-29 | 2020-12-18 | 珠海格力电器股份有限公司 | Bearing pre-tightening structure, speed reducer and industrial robot |
| CN112360891A (en) * | 2020-11-05 | 2021-02-12 | 杭州正强传动股份有限公司 | Universal joint fork for transmission shaft |
| CN114542609A (en) * | 2022-02-15 | 2022-05-27 | 大连理工大学 | An automatic control device for space bearing pretightening force |
| US20240418253A1 (en) * | 2021-10-27 | 2024-12-19 | Valeo Embrayages | Method for manufacturing a transmission device comprising a rotary part rotatably guided inside a casing |
-
2011
- 2011-09-13 CN CN 201110269202 patent/CN102996653A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108471A (en) * | 2015-09-23 | 2015-12-02 | 中国重型机械研究院股份公司 | Adjustable pretightening and fixing device |
| CN109306996A (en) * | 2017-07-26 | 2019-02-05 | 杨洁薇 | brake lock nut |
| CN110319122A (en) * | 2018-03-28 | 2019-10-11 | 襄阳汽车轴承股份有限公司 | The dedicated coupling mechanism force of constant velocity cardan joint assembly can adjust separate type Full connected bearing spider |
| CN112096834A (en) * | 2020-09-29 | 2020-12-18 | 珠海格力电器股份有限公司 | Bearing pre-tightening structure, speed reducer and industrial robot |
| CN112360891A (en) * | 2020-11-05 | 2021-02-12 | 杭州正强传动股份有限公司 | Universal joint fork for transmission shaft |
| US20240418253A1 (en) * | 2021-10-27 | 2024-12-19 | Valeo Embrayages | Method for manufacturing a transmission device comprising a rotary part rotatably guided inside a casing |
| CN114542609A (en) * | 2022-02-15 | 2022-05-27 | 大连理工大学 | An automatic control device for space bearing pretightening force |
| CN114542609B (en) * | 2022-02-15 | 2023-02-03 | 大连理工大学 | An automatic control device for space bearing pretightening force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130327 |