CN206723309U - A kind of automatic alleviation device for parking brake - Google Patents
A kind of automatic alleviation device for parking brake Download PDFInfo
- Publication number
- CN206723309U CN206723309U CN201720478499.6U CN201720478499U CN206723309U CN 206723309 U CN206723309 U CN 206723309U CN 201720478499 U CN201720478499 U CN 201720478499U CN 206723309 U CN206723309 U CN 206723309U
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- China
- Prior art keywords
- bearing
- detent pin
- wedge
- alleviation
- parking brake
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Abstract
A kind of automatic alleviation device for parking brake, including shield, soket head cap screw, alleviate bearing, the shield is affixed integral by soket head cap screw with alleviating bearing, wedge is placed with the inside for alleviating bearing, being passed through in the shoulder hole for alleviating bearing has detent pin, the detent pin cooperates together with wedge, be fitted with catch on the side outer wall for alleviating bearing, the catch is passed through after through hole by soket head cap screw be screwed in a side end face of wedge together with.The utility model can make operator, and manually the control-rod on operator link and remote handle rotates the position of catch, catch can promote wedge to move back and forth, wedge can integrally do reciprocal telescopic movement with detent pin, detent pin makes the ratchet disc spins release plunger in Parking brake cylinder, stopped operating immediately when piston reaches the bottom of energy storage cylinder body, the big spring in Parking brake cylinder reaches maximum compression and arrestment mechanism can be braked again.
Description
Technical field
It the utility model is related to a kind of automatic alleviation device for parking brake.
Background technology
Unpowered or uncharged vehicle will be maintained at parking spot when carrying out maintenance operation, so locomotive or railcar
Need to control on parking spot using parking brake, but current parking brake is by spring stop checking cylinder
To control brake shoe to carry out locking wheel, but exist in the spring stop checking cylinder of unpowered or uncharged vehicle without air pressure
In the case of, brake shoe can be made to occur loosening and cause brake locomotive or railcar is moved back and forth on guide rail, when being in
Rollback occurs on gradient position, this will can cause irremediable loss.
The content of the invention
The utility model is in view of the shortcomings of the prior art, there is provided it is a kind of solve the above problems be used for parking brake
It is automatic to alleviate device.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
A kind of automatic alleviation device for parking brake, including shield, holding screw, soket head cap screw, alleviation branch
Seat, bearing dowel, are provided with four positioning holes on the bottom of the shield, and four are provided with corresponding on the bottom for alleviating bearing
Individual fixing hole, the shield is affixed integral by soket head cap screw with alleviating bearing, is placed in the inside for alleviating bearing
There is wedge, a shoulder hole is provided with the bottom plane for alleviating bearing, being passed through in the shoulder hole for alleviating bearing has
Detent pin, the detent pin are cooperated together with wedge, and through hole is provided with a side for alleviating bearing, described
Alleviate and be fitted with catch on the side outer wall of bearing, fixing hole is provided with the bottom of the catch, the catch passes through interior hexagonal
Screw pass through through hole after be screwed in a side end face of wedge together with.
Surface groove is provided with corresponding on two sides of the wedge, two are placed with the surface groove of the wedge
Deep groove ball bearing, two deep groove ball bearings are supported and fixed on together by bearing dowel.
Release spring has been filled between one side end face of the wedge and a side inner walls for alleviating bearing.
Detent pin back-moving spring is plugged with the shoulder hole for alleviating bearing, the middle part of the detent pin is formed with one
Clamping ring is enclosed, one end of detent pin is provided with neck；The other end is provided with clamping plane, the detent pin back-moving spring and detent pin
Clamping ring is pressed together, and the neck end of the detent pin is against on bearing dowel, and is fixedly connected on by holding screw
Together.
Coordinate on the outside of the clamping ring of the detent pin and be socketed with guide sleeve, guide sleeve is tucked into the shoulder hole for alleviating bearing
It is interior.
U-shaped groove is provided with the middle part and top of the catch.
Beneficial effect：Compared with prior art, it has the advantages that the utility model：
The automatic alleviation device that the utility model is used for parking brake is for braking unpowered or uncharged locomotive
Iron vehicle is maintained at parking spot, and manually the control-rod on operator link and remote handle rotates the position of catch to operator
Put, catch can promote wedge to move back and forth, and wedge can make the deep-groove ball axle being placed on surface groove during movement
Hold and move up and down, while bearing dowel can integrally do reciprocal telescopic movement with detent pin, such detent pin can make parking
The piston in ratchet disc spins release Parking brake cylinder in checking cylinder, stops immediately when piston reaches the bottom of energy storage cylinder body
Rotate, the big spring in Parking brake cylinder reaches maximum compression and arrestment mechanism can be braked again.
Brief description of the drawings
Fig. 1 is the decomposition chart of the automatic alleviation device for parking brake.
Fig. 2 is the overall structure figure of the automatic alleviation device for parking brake.
Embodiment
Refering to Fig. 1~2, a kind of automatic alleviation device for parking brake, including shield 1, holding screw 2, wedge shape
Block 3, deep groove ball bearing 4, soket head cap screw 5, alleviate bearing 6, release spring 7, bearing dowel 8, detent pin back-moving spring 9,
Detent pin 10, guide sleeve 11, catch 12, four positioning holes are provided with the bottom of shield 1, alleviated corresponding on the bottom of bearing 6
Four fixing holes are provided with, shield 1 is affixed integral by soket head cap screw 5 with alleviating bearing 6, alleviates and is put in the inside of bearing 6
It is equipped with wedge 3, is provided with surface groove corresponding on two sides of wedge 3, two depths are placed with the surface groove of wedge 3
Ditch ball bearing 4, two deep groove ball bearings 4 are supported and fixed on together by bearing dowel 8, in the bottom plane for alleviating bearing 6
A shoulder hole is provided with, alleviates and detent pin back-moving spring 9 is plugged with the shoulder hole of bearing 6, alleviates and is passed through in the shoulder hole of bearing 6
There is detent pin 10, formed with a circle clamping ring, one end of detent pin 10 is provided with neck for the middle part of detent pin 10；The other end is opened
There is clamping plane, detent pin back-moving spring 9 and the clamping ring of detent pin 10 press together, on the clamping ring outside of detent pin 10
Cooperation is socketed with guide sleeve 11, and guide sleeve 11 is tucked into the shoulder hole for alleviating bearing 6, and the neck end of detent pin 10 is against bearing
On steady pin 8, and it is fixed together by holding screw 2, detent pin back-moving spring 9 can allow detent pin 10 to control effective
Stroke in, detent pin 10 move back and forth for a long time successor be positively retained at as defined in size range, alleviate one of bearing 6
Through hole is provided with side, alleviates and is fitted with catch 12 on the side outer wall of bearing 6, be provided with the middle part and top of catch 12
U-shaped groove, is provided with fixing hole on the bottom of catch 12, and catch 12 passes through after through hole one with wedge 3 by soket head cap screw 5
Side end face is spun together, and release spring has been filled between a side end face of wedge 3 and a side inner walls for alleviating bearing 6
7, release spring 7 can enable wedge 3 follow catch 12 to rotate and move back and forth.
Automatic device of alleviating is mounted on stop device, and automatic device of alleviating supports the use with Parking brake cylinder
Parking spot is maintained to brake unpowered or uncharged locomotive railcar, the automatic detent pin 10 for alleviating device, which is inserted into, stops
Ratchet set in car checking cylinder（It is not shown）Interior, the clamping plane of detent pin 10 coordinates with the pawl disk in Parking brake cylinder afterwards
It is connected together, in the presence of in Parking brake cylinder without air pressure, is releasably stopped by alleviating device operating automatically
Car brake portion, the specific course of work are, due to the unpowered or uncharged non-normal operation of locomotive subway, so stopping brake
Cylinder can have no compressed gas, operator now can manually the control-rod on operator link and remote handle with
About 250 N power rotates the position of catch 12, and catch 12 can promote wedge 3 to move back and forth, wedge 3 is in mobile mistake
The deep groove ball bearing 4 that Cheng Zhonghui makes to be placed on surface groove moves up and down, while bearing dowel 8 can be overall with detent pin 10
Reciprocal telescopic movement is done, such detent pin 10 can make the ratchet disc spins in Parking brake cylinder discharge the work in Parking brake cylinder
Plug, stopped operating immediately when piston reaches the bottom of energy storage cylinder body, the big spring in Parking brake cylinder reaches maximum compression
And arrestment mechanism can be braked again.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New spirit and scope are defined.On the premise of the utility model design conception is not departed from, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, the scope of protection of the utility model, this reality all should be dropped into
With new claimed technology contents, all record in detail in the claims.
Claims (6)
1. a kind of automatic alleviation device for parking brake, including shield（1）, holding screw（2）, soket head cap screw（5）、
Alleviate bearing（6）, bearing dowel（8）, the shield（1）Bottom on be provided with four positioning holes, the alleviation bearing（6）'s
Four fixing holes, the shield are provided with corresponding on bottom（1）With alleviating bearing（6）Pass through soket head cap screw（5）It is affixed into one
Body, it is characterised in that the alleviation bearing（6）Inside in be placed with wedge（3）, the alleviation bearing（6）Bottom put down
A shoulder hole, the alleviation bearing are provided with face（6）Shoulder hole in through there is detent pin（10）, the detent pin（10）With
Wedge（3）Cooperate together, the alleviation bearing（6）A side on be provided with through hole, the alleviation bearing（6）'s
Catch is fitted with the outer wall of side（12）, the catch（12）Bottom on be provided with fixing hole, the catch（12）Pass through interior six
Angle screw（5）After through through hole with wedge（3）A side end face be screwed in together.
2. the automatic alleviation device according to claim 1 for parking brake, it is characterised in that the wedge
（3）Two sides on corresponding to be provided with surface groove, the wedge（3）Surface groove on be placed with two deep groove ball bearings
（4）, two deep groove ball bearings（4）Pass through bearing dowel（8）It is supported and fixed on together.
3. the automatic alleviation device according to claim 1 for parking brake, it is characterised in that the wedge
（3）A side end face with alleviate bearing（6）A side inner walls between filled in release spring（7）.
4. the automatic alleviation device according to claim 1 for parking brake, it is characterised in that the alleviation bearing
（6）Shoulder hole in be plugged with detent pin back-moving spring（9）, the detent pin（10）Middle part formed with one circle clamping ring,
Detent pin（10）One end be provided with neck；The other end is provided with clamping plane, the detent pin back-moving spring（9）With detent pin（10）
Clamping ring press together, the detent pin（10）Neck end be against bearing dowel（8）On, and pass through holding screw
（2）It is fixed together.
5. the automatic alleviation device according to claim 4 for parking brake, it is characterised in that the detent pin
（10）Clamping ring on the outside of on coordinate be socketed with guide sleeve（11）, guide sleeve（11）It is tucked into alleviation bearing（6）Shoulder hole in.
6. the automatic alleviation device according to claim 1 for parking brake, it is characterised in that the catch（12）
Middle part and top on be provided with U-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720478499.6U CN206723309U (en) | 2017-05-03 | 2017-05-03 | A kind of automatic alleviation device for parking brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720478499.6U CN206723309U (en) | 2017-05-03 | 2017-05-03 | A kind of automatic alleviation device for parking brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206723309U true CN206723309U (en) | 2017-12-08 |
Family
ID=60507945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720478499.6U Active CN206723309U (en) | 2017-05-03 | 2017-05-03 | A kind of automatic alleviation device for parking brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206723309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374385A (en) * | 2019-07-24 | 2019-10-25 | 张宏光 | Stop barrier system |
-
2017
- 2017-05-03 CN CN201720478499.6U patent/CN206723309U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374385A (en) * | 2019-07-24 | 2019-10-25 | 张宏光 | Stop barrier system |
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| GR01 | Patent grant |