CN203285957U - Super-quiet fixed shaft supporting device - Google Patents
Super-quiet fixed shaft supporting device Download PDFInfo
- Publication number
- CN203285957U CN203285957U CN2012207483199U CN201220748319U CN203285957U CN 203285957 U CN203285957 U CN 203285957U CN 2012207483199 U CN2012207483199 U CN 2012207483199U CN 201220748319 U CN201220748319 U CN 201220748319U CN 203285957 U CN203285957 U CN 203285957U
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- Prior art keywords
- bearing
- input shaft
- support
- gear
- indeterminate
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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 - Lifetime
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- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 4
- 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
- 238000001514 detection method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
Provided is a super-quiet fixed shaft supporting device, comprising a bearing pedestal, an input shaft, a first bearing, a second bearing and an end cover. The bearing pedestal is a circular seat with a through hole being disposed in the middle, and is disposed on a casing of a speed reducer. A tooth part at one end of an input shaft is provided with a gear, and the other end is provided with a shaft coupling. An outer ring of the first bearing is fixed to one side of the through hole of the bearing pedestal, adjacent to the gear, and an inner ring supports one end of the input shaft having the gear. An outer ring of the second bearing is fixed to one side of the through hole of the bearing pedestal, adjacent to the shaft coupling, and an inner ring supports one end of the input shaft having the shaft coupling. The end cover is fixed to the end face of the bearing pedestal, adjacent to one side of the gear. The super-quiet fixed shaft supporting device is advantageous in that the super-quiet fixed shaft supporting device can be used in occasions where installation error can be allowed; the structure is simple, producing is convenient, and connecting pieces are all standard members, facilitating installation and detection; the running of the speed reducer can be more balanced, and after a long-term work, bearing wearing is little and axial movement can be reduced.
Description
Technical field
The utility model relates to a kind of indeterminate axle support device, particularly the device of a kind of speed reducer for escalator and moving sideway inside.
Background technique
In the situation that axial force is arranged, the input shaft shaft supporting structure of speed reducer is common is designed to the back-to-back installation of a pair of conical bearing.This design can be eliminated the impact of axial force on axle, is applicable to the occasion that distance between bearings is little, torque load is large.But after long-term the use, this design has exposed the shortcomings such as bearing is easy to wear, axial float is large.Especially when being applied to staircase speed reducer, require noise and vibration very little while due to staircase, moving, and this design is in input end, rotating speed is high, after using certain hour, the situation that the shortcoming that it is easy to wear, play is large just can cause speed reducer noise and vibration all to increase, and this obviously can't meet the usage requirement of staircase speed reducer.
Summary of the invention
The utility model easily causes for the present long-term use of axle supporting installation device the problem that bearing is easy to wear, axial float is large, noise is large, has proposed a kind of not easy to wear, noise is little, axial float is little indeterminate axle support device.
Indeterminate axle support device described in the utility model, it is characterized in that: comprise bearing support, input shaft, clutch shaft bearing, the second bearing and end cap, described bearing support is the middle circular seat that through hole is set, and described bearing support is arranged on the casing of described speed reducer; Gear is installed by the tooth section of one end of described input shaft, the other end is installed coupling; The outer ring of described clutch shaft bearing is fixed on a side of the nearly gear of through hole of described bearing support, the end that the described input shaft of inner ring support is installed gear; The outer ring of described the second bearing is fixed on a side of the nearly coupling of through hole of described bearing support, the end that the described input shaft of inner ring support is installed coupling; Described end cap is fixed on the end face of a side of nearly gear of bearing support.
One side of the nearly gear of through hole of described bearing support is installed a pair of clutch shaft bearing of arranging face-to-face.
The end face of described bearing support is threaded hole, described end cap by housing screw along on the described bearing support of being axially fixed in of input shaft.
Inner ring and the described input shaft of the inner ring of described clutch shaft bearing and described input shaft, described the second bearing are interference fit.
Described clutch shaft bearing is conical bearing.
Described input shaft is cylindrical structural.
Described clutch shaft bearing, described the second bearing are standard piece.
In the speed reducer running, input shaft rotates with coupling, and the impact of axial force on input shaft eliminated in the inner ring run-in synchronism of clutch shaft bearing, the second bearing when supporting input shaft; The static determinacy part that the second bearing supports as indeterminate axle, be installed on input shaft and connect the coupling end, can effectively reduce the impact of coupling to axle system, statically indeterminate structure also can change the stressed effect of bearing simultaneously, significantly alleviate the wearing and tearing of clutch shaft bearing, the second bearing, guarantee that bearing can use for a long time.
The beneficial effects of the utility model are: 1) input shaft is with clutch shaft bearing, easily install than existing back-to-back mounting type when the second bearing inner race is interference fit; 2) compare back-to-back mounting type, can allow the occasion of certain alignment error, when especially needing to adjust flank of tooth contact; 3) simple in structure, easily manufactured, link is standard piece, is easy to install and detect; 4) can make the speed reducer balance more that turns round, after long-term work, bearing wear is little, and axial float is little.
Description of drawings
Fig. 1 is that (1 ' represents bearing support to traditional back-to-back mounting structure figure of a pair of conical bearing; 2 ' represents conical bearing; 3 ' represents input shaft).
Fig. 2 is structural drawing of the present utility model.
Embodiment
Further illustrate the utility model below in conjunction with accompanying drawing
With reference to accompanying drawing:
Indeterminate axle support device described in the utility model, comprise bearing support 1, input shaft 2, clutch shaft bearing 3, the second bearing 4 and end cap 5, described bearing support 1 is the middle circular seat that through hole 11 is set, and described bearing support 1 is arranged on the casing of described speed reducer; Gear is installed by the tooth section 21 of one end of described input shaft 2, the other end is installed coupling; The outer ring of described clutch shaft bearing 3 is fixed on an end of the described input shaft 2 installation gears of a side, inner ring support of the through hole 11 nearly gears of described bearing support 1; The outer ring of described the second bearing 4 is fixed on an end of the described input shaft 2 installation coupling of a side, inner ring support of the through hole 11 nearly coupling of described bearing support 1; Described end cap 5 is fixed on the end face of a side of nearly gear of bearing support 1.
One side of the through hole 11 nearly gears of described bearing support 1 is installed a pair of clutch shaft bearing of arranging face-to-face 3.
The end face of described bearing support 1 is threaded hole, described end cap 5 by housing screw 51 along on the described bearing support 1 of being axially fixed in of input shaft 2.
Inner ring and the described input shaft 2 of the inner ring of described clutch shaft bearing 3 and described input shaft 2, described the second bearing 4 are interference fit.
Described clutch shaft bearing 3 is conical bearing.
Described input shaft 2 is cylindrical structural.
Described clutch shaft bearing 3, described the second bearing 4 are standard piece.
In the speed reducer running, input shaft 2 rotates with coupling, and the impact of axial force on input shaft eliminated in the inner ring run-in synchronism of clutch shaft bearing 3, the second bearing 4 when supporting input shaft 2; The static determinacy part that the second bearing 4 supports as indeterminate axle, be installed on input shaft 2 and connect the coupling end, can effectively reduce the impact of coupling to axle system, statically indeterminate structure also can change the stressed effect of bearing simultaneously, significantly alleviate the wearing and tearing of clutch shaft bearing 3, the second bearing 4, guarantee that bearing can use for a long time.
The described content of this specification embodiment is only enumerating the way of realization of model utility design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to the utility model in those skilled in the art.
Claims (7)
1. indeterminate axle support device is characterized in that: comprise bearing support, input shaft, clutch shaft bearing, the second bearing and end cap, described bearing support is the middle circular seat that through hole is set, and described bearing support is arranged on the casing of speed reducer; Gear is installed by the tooth section of one end of described input shaft, the other end is installed coupling; The outer ring of described clutch shaft bearing is fixed on a side of the nearly gear of through hole of described bearing support, the end that the described input shaft of inner ring support is installed gear; The outer ring of described the second bearing is fixed on a side of the nearly coupling of through hole of described bearing support, the end that the described input shaft of inner ring support is installed coupling; Described end cap is fixed on the end face of a side of nearly gear of bearing support.
2. indeterminate axle support device as claimed in claim 1, is characterized in that: an a pair of clutch shaft bearing of arranging face-to-face of side installation of the nearly gear of through hole of described bearing support.
3. indeterminate axle support device as claimed in claim 2, it is characterized in that: the end face of described bearing support is threaded hole, described end cap by housing screw along on the described bearing support of being axially fixed in of input shaft.
4. indeterminate axle support device as claimed in claim 2, it is characterized in that: inner ring and the described input shaft of the inner ring of described clutch shaft bearing and described input shaft, described the second bearing are interference fit.
5. indeterminate axle support device as claimed in claim 4, it is characterized in that: described clutch shaft bearing is conical bearing.
6. indeterminate axle support device as claimed in claim 4, it is characterized in that: described input shaft is cylindrical structural.
7. indeterminate axle support device as claimed in claim 5, it is characterized in that: described clutch shaft bearing, described the second bearing are standard piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207483199U CN203285957U (en) | 2012-12-29 | 2012-12-29 | Super-quiet fixed shaft supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207483199U CN203285957U (en) | 2012-12-29 | 2012-12-29 | Super-quiet fixed shaft supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285957U true CN203285957U (en) | 2013-11-13 |
Family
ID=49542319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207483199U Expired - Lifetime CN203285957U (en) | 2012-12-29 | 2012-12-29 | Super-quiet fixed shaft supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285957U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315111A (en) * | 2014-10-17 | 2015-01-28 | 株洲高精传动技术有限公司 | Gear transmission shaft device |
| CN105327648A (en) * | 2014-08-12 | 2016-02-17 | 沃德(天津)传动有限公司 | Stirring equipment, stirring speed reducer and output shaft components thereof |
| CN110174119A (en) * | 2019-04-01 | 2019-08-27 | 苏州东菱振动试验仪器有限公司 | A kind of turntable of built-in evaporator |
-
2012
- 2012-12-29 CN CN2012207483199U patent/CN203285957U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327648A (en) * | 2014-08-12 | 2016-02-17 | 沃德(天津)传动有限公司 | Stirring equipment, stirring speed reducer and output shaft components thereof |
| CN104315111A (en) * | 2014-10-17 | 2015-01-28 | 株洲高精传动技术有限公司 | Gear transmission shaft device |
| CN110174119A (en) * | 2019-04-01 | 2019-08-27 | 苏州东菱振动试验仪器有限公司 | A kind of turntable of built-in evaporator |
| CN110174119B (en) * | 2019-04-01 | 2025-04-04 | 苏州东菱振动试验仪器有限公司 | A turntable with built-in evaporator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |