CN206682157U - double-row roller non-contact backstop - Google Patents
double-row roller non-contact backstop Download PDFInfo
- Publication number
- CN206682157U CN206682157U CN201720206173.8U CN201720206173U CN206682157U CN 206682157 U CN206682157 U CN 206682157U CN 201720206173 U CN201720206173 U CN 201720206173U CN 206682157 U CN206682157 U CN 206682157U
- Authority
- CN
- China
- Prior art keywords
- roller
- double
- inner ring
- outer ring
- retainer
- 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.)
- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
A kind of double-row roller Non-contact backstop is made up of the arm of force, bearing pin, side plate, outer ring, extension spring, retainer, bearing, roller, inner ring and baffle plate；The arm of force is connected with side plate by bearing pin, and side plate is connected with outer ring, and one end of extension spring is connected with inner ring, the other end of extension spring is connected with retainer, roller by retainer location and installation between outer ring and inner ring by the way that bearing is installed between inner ring and side plate, it is characterised in that：Set between described outer ring and inner ring and double-row roller is installed.Beneficial effect is：The contact area of roller and Internal and external cycle increases, and enhances roller bearing capacity, extends the roller life-span；Formation gap is more uniform between making inside and outside circle, ensures in check, and each roller both participates in work, and working effect is more stable；In the case where realizing same check torque, double-row roller holdback is than single roller check device weight reduction about 37%, and volume is reduced by about 34%, and cost reduces about 30%.
Description
Technical field
The utility model belongs to holdback technical field, more particularly to a kind of holdback contactless with double-row roller.
Background technology
The holdback that the country generally uses at present, mainly by outer ring, inner ring, retainer, check element (voussoir or rolling
Post), the part such as the arm of force formed.In wedge backstop operation process, voussoir and inside and outside circle band press contacts, rub, formed all the time
Larger running resistance, and contact can cause larger abrasion in the same area, permanent operating to the region, drop its check performance
It is low；When mechanical driving device rotates backward, voussoir direction changes, so as to reach check purpose.
In roller Non-contact backstop operation process, roller disengages with outer ring, is rolled with inner ring check plane without relative
And friction, therefore abrasion is had no to inner ring and outer ring；When mechanical driving device rotates backward, roller is by inner ring, outer ring
It is locked, reach good check effect, and the check position of roller is random, possesses the more long-life.But with check torque
Increase, the element such as ball, retainer inside holdback, its volume, weight, cost are all into non-linear growth so that such a inverse
Only the cost performance of device is greatly lowered, and popularization receives obstruction.
The content of the invention
The purpose of this utility model be in order to solve existing roller Non-contact backstop with the increase of check torque, it is interior
Portion's element variable is excessive, the problem of causing performance to decline, there is provided a kind of double-row roller Non-contact backstop, by double
Roller constructs, and roller construction weight bearing power is improved, so as to reduce the change of roller volume, weight.
To achieve these goals, used by the utility model technical scheme be using double-row roller be arranged on inner ring with
Between outer ring, by lengthening inner ring, outer ring loads double retainer and double-row roller, so as to improve check torque, reduces weight
Amount, reduce volume.
The utility model double-row roller Non-contact backstop is by the arm of force, bearing pin, side plate, outer ring, extension spring, retainer, axle
Hold, roller, inner ring and baffle plate composition；The arm of force is connected with side plate by bearing pin, and side plate is connected with outer ring, one end of extension spring with it is interior
Circle connection, the other end of extension spring is connected with retainer, roller by retainer location and installation between outer ring and inner ring by axle
Hold and be installed between inner ring and side plate, it is characterised in that：Set between described outer ring and inner ring and double-row roller is installed.
Double-row roller locating slot is offered on described retainer, each slotted eye is engaged with a roller respectively.
Check plane on described inner ring, it is arranged to the double construction being engaged with double-row roller.
Described double-row roller, adjacent two roller axial isolations.
The beneficial effects of the utility model are：The contact area of roller and Internal and external cycle increases, and enhances roller carrying energy
Power, extend the roller life-span；Formation gap is more uniform between making inside and outside circle, ensures that, in check, each roller both participates in work
Make, working effect is more stable；In the case where realizing same check torque, double-row roller holdback drops than single roller check device weight
Low about 37%, volume is reduced by about 34%, and cost reduces about 30%.
Brief description of the drawings
Accompanying drawing 1 is front view of the present utility model；
Accompanying drawing 2 is profile of the present utility model；
Accompanying drawing 3 is each parts enlarged drawing when the utility model operates；
Each parts enlarged drawing when accompanying drawing 4 is the utility model check.
In accompanying drawing：The arm of force 1, bearing pin 2, side plate 3, outer ring 4, extension spring 5, retainer 6, bearing 7, roller 8, inner ring 9, baffle plate
10。
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail；Any one skilled in the art in the technical scope that the utility model discloses,
Change or replacement can be readily occurred in, should all be covered within the scope of protection of the utility model.Therefore, protection of the present utility model
Scope should be based on the protection scope of the described claims.
The utility model is described in detail with specific implementation process below in conjunction with the accompanying drawings：
As shown in figure 1 and 2, the utility model double-row roller Non-contact backstop is by the arm of force 1, bearing pin 2, side plate 3, outer
Circle 4, extension spring 5, retainer 6, bearing 7, roller 8, inner ring 9 and baffle plate 10 form；The arm of force 1 and the side plate 3 in holdback main body are logical
Cross bearing pin 2 to couple, side plate 3 is connected with outer ring 4, and internal retainer 6 is installed in the space that outer ring 4 is formed with inner ring 9, protects
Hold and double-row roller locating slot is offered on frame 6, coordinate installation double-row roller 8, each slotted eye is engaged with a roller 8 respectively.
Inner ring 9 is arranged on the shaft extension of transmission device, and multiple check planes are uniformly distributed on inner ring 9, are arranged to and double-row roller phase
The double construction coordinated.Roller 8 is in contact with inner ring 9, is arranged in the dead slot of outer ring 4 and the check interplanar of inner ring 9 and passes through
Retainer 6 is by the uniform location of double-row roller 8, the strict radial direction for limiting roller 8 and axial activity space, to coordinate outer ring 4 inverse
Reach the check effect consolidated rapidly when only.Retainer 6 is provided with baffle plate 10, and baffle plate 10 limits the axial location of retainer 6 so that
Retainer 6 can operate in the same direction with outer ring 4 and inner ring 9；Extension spring 5 provides pulling force and causes retainer 6 to drive roller 8 to return to raw bits
Put.Bearing 7 is installed, bearing 7 ensures to form uniform gap between inner ring, outer ring, reduces operating resistance between inner ring 9 and side plate 3
Power so that check is better.
As shown in Figure 3, when holdback runs well, inner ring 9 rotates, and baffle plate 10 drives retainer 6 simultaneously same with roller 8
To operating, cause roller 8 and 4 contactless operating of outer ring because the cavity of the particular design of retainer 6 acts on, put down with the check of inner ring 9
Face have contact and without relative motion, it is ensured that with inner ring and outer ring without abrasion
As shown in Figure 4, when holdback check, power transmission shaft drives the antiport of inner ring 9, the check plane pressure of inner ring 9
Compel roller 8 and cause maximum positive voltage power to the transmission moment of torsion of outer ring 4, retainer 6 ensures that the position of multiple rollers is identical, by outer ring 4
Reactive torque causes roller not release, and maximum friction occurs in contact surface, reaches check effect.
Claims (2)
1. a kind of double-row roller Non-contact backstop, by the arm of force, bearing pin, side plate, outer ring, extension spring, retainer, bearing, roller,
Inner ring and baffle plate composition；The arm of force is connected with side plate by bearing pin, and side plate is connected with outer ring, and one end of extension spring is connected with inner ring,
The other end of extension spring is connected with retainer, and roller passes through the installation of, bearing by retainer location and installation between outer ring and inner ring
Between inner ring and side plate, it is characterised in that：Set between described outer ring and inner ring and double-row roller is installed；Described inner ring
On check plane, be arranged to the double construction being engaged with double-row roller；Described double-row roller, adjacent two roller axles
To isolation.
2. double-row roller Non-contact backstop as claimed in claim 1, it is characterised in that：Offered on described retainer
Double-row roller locating slot, each slotted eye are engaged with a roller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206173.8U CN206682157U (en) | 2017-03-06 | 2017-03-06 | double-row roller non-contact backstop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206173.8U CN206682157U (en) | 2017-03-06 | 2017-03-06 | double-row roller non-contact backstop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206682157U true CN206682157U (en) | 2017-11-28 |
Family
ID=60392117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720206173.8U Expired - Fee Related CN206682157U (en) | 2017-03-06 | 2017-03-06 | double-row roller non-contact backstop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206682157U (en) |
-
2017
- 2017-03-06 CN CN201720206173.8U patent/CN206682157U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20171128 Termination date: 20200306 |