CN109969225A - Brake shoe and wheel tread automatic capturing structure in track brake - Google Patents
Brake shoe and wheel tread automatic capturing structure in track brake Download PDFInfo
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- CN109969225A CN109969225A CN201910346436.9A CN201910346436A CN109969225A CN 109969225 A CN109969225 A CN 109969225A CN 201910346436 A CN201910346436 A CN 201910346436A CN 109969225 A CN109969225 A CN 109969225A
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- support
- brake
- mounting hole
- brake head
- head
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H15/00—Wear-compensating mechanisms, e.g. slack adjusters
- B61H15/0064—Wear-compensating mechanisms, e.g. slack adjusters mechanical and non-automatic
- B61H15/0071—Wear-compensating mechanisms, e.g. slack adjusters mechanical and non-automatic by means of linear adjustment
- B61H15/0085—Wear-compensating mechanisms, e.g. slack adjusters mechanical and non-automatic by means of linear adjustment with screw-thread and nut
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses the brake shoes and wheel tread automatic capturing structure in a kind of track brake, including support, brake head, adjustment mechanism, watt support sunpender and shaft, the side of the support is connect with the adjustment mechanism, the other side of the support is equipped with the first mounting hole and the second mounting hole, and first mounting hole and the second mounting hole are arranged between two inner sidewalls of the brake head；The inside of described watt of support sunpender is arranged in the brake head, and the shaft passes through the through-hole on described watt of support sunpender, the through-hole on the brake head and connects watt support sunpender, brake head with support with first mounting hole；The inner sidewall of the brake head is rubbing surface, is equipped with two pieces of friction blocks in second mounting hole, and two pieces of friction blocks are contacted with two inner sidewalls of the brake head respectively, and spring is equipped between two pieces of friction blocks, and the spring is in compressive state always.The present invention realizes the automatic capturing in gap between brake head and wheel tread.
Description
Technical field
The present invention relates to track brake technical fields, more particularly to the brake shoe and wheel tread in a kind of track brake
Automatic capturing structure.
Background technique
Track brake is to drive brake shoe to be bonded with wheel to realize wheel braking by adjusting mechanism urges brake head,
But in braking process, the gap between brake head and wheel tread will appear non-uniform situation, can not automatic capturing.
Summary of the invention
To solve problems of the prior art, the present invention provides the brake shoes and wheel pedal in a kind of track brake
Face automatic capturing structure, realizes the automatic capturing in gap between brake head and wheel tread.
To achieve the above object, the technical solution adopted by the present invention is that:
Brake shoe and wheel tread automatic capturing structure in a kind of track brake, including support, brake head, adjustment machine
Structure, watt support sunpender and shaft, the side of the support are connect with the adjustment mechanism, and the other side of the support is equipped with the first peace
Dress hole and the second mounting hole, first mounting hole and the second mounting hole are arranged between two inner sidewalls of the brake head；
The inside of described watt of support sunpender is arranged in the brake head, and the shaft passes through through-hole, the brake shoe on described watt of support sunpender
Through-hole in support connects watt support sunpender, brake head with support with first mounting hole；The inner sidewall of the brake head is to rub
Wiping face, is equipped with two pieces of friction blocks in second mounting hole, two pieces of friction blocks respectively with two inner sidewalls of the brake head
It contacts, spring is equipped between two pieces of friction blocks, the spring is in compressive state always.
It, will also with two groups of springs and friction block between support and brake head other than being connected with shaft in above structure
Support is connected with brake head.When making between brake head and support, the external force of relative rotation is less than friction block and brake shoe around the shaft
When the moment of friction formed between support, brake head keeps opposing stationary with support；When making between brake head and support phase around the shaft
When being greater than the moment of friction formed between friction block and brake head to the external force of rotation, relatively rotated between brake head and support.
Therefore, during braking, the automatic capturing in gap between brake head and wheel tread is realized.
Preferably, the spring is butterfly spring.
The pressure amount adjustment of disk spring is appropriate, and long service life is unlikely to deform and damages, and does not have to more in an overhaul time
It changes.
Preferably, first mounting hole, watt support sunpender on through-hole and brake head on through-hole in be equipped with axle sleeve.
It is respectively provided with axle sleeve in through-hole in through-hole in the first mounting hole, on watt support sunpender and on brake head, it can be with
Shaft and the first mounting hole, the abrasion watt between support sunpender and brake head are reduced, the service life of equipment is improved.
Preferably, the inner sidewall of the brake head is equipped with the reinforcing rib for being limited to the support.
The setting of reinforcing rib can prevent support from excessive rotary motion occurring with respect to brake head.
Preferably, second mounting hole is provided with even numbers, and even numbers second mounting hole is evenly arranged on described the
The two sides of one mounting hole.
It is symmetrical arranged the second mounting hole of even numbers in the two sides of the first mounting hole, it can be preferably to brake head and wheel pedal
Gap between face carries out automatic capturing.
The beneficial effects of the present invention are: between support and brake head other than being connected with shaft, also with two groups of springs and
Friction block connects support and brake head.When making between brake head and support, the external force of relative rotation is less than friction around the shaft
When the moment of friction formed between block and brake head, brake head keeps opposing stationary with support；When making between brake head and support
When the external force of relative rotation is greater than the moment of friction formed between friction block and brake head around the shaft, phase between brake head and support
To rotation.Realize the automatic capturing in gap between brake head and wheel tread during braking.
Detailed description of the invention
Fig. 1 is the solid of the brake shoe and wheel tread automatic capturing structure in track brake described in the embodiment of the present invention
Figure；
Fig. 2 is the section view of the brake shoe and wheel tread automatic capturing structure in track brake described in the embodiment of the present invention
Figure；
Fig. 3 is the structural schematic diagram of support described in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of adjustment mechanism described in the embodiment of the present invention.
Appended drawing reference:
1, support；2, brake head；3, watt support sunpender；4, shaft；5, the first mounting hole；6, the second mounting hole；7, dish-shaped bullet
Spring；8, friction block；9, axle sleeve；10, adjustment screw；11, gland；12, cavity；13, locating slot；14, spring.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1-Figure 3, the brake shoe in a kind of track brake and wheel tread automatic capturing structure, including support 1,
Brake head 2, adjustment mechanism, watt support sunpender 3 and shaft 4, the side of the support 1 are connect with the adjustment mechanism, the support 1
The other side be equipped with the first mounting hole 5, the two sides of the first mounting hole 5 are equipped with the second mounting hole 6, first mounting hole 5 and the
Two mounting holes 6 are arranged between two inner sidewalls of the brake head 2, and the inner sidewall of the brake head 2 is equipped with for institute
The reinforcing rib that support 1 is limited is stated, can prevent support 1 from excessive rotary motion occurs with respect to brake head 2；The brake head
2 are arranged in the inside of described watt of support sunpender 3, and the shaft 4 is on the described watt of through-hole held in the palm on sunpender 3, the brake head 2
Through-hole and first mounting hole 5 connect watt support sunpender 3, brake head 2 and a support 1, in the first mounting hole 5, watt support sunpender 3
On through-hole in and brake head 2 on through-hole in be respectively provided with axle sleeve 9, it is possible to reduce shaft 4 is hung with the first mounting hole 5, Wa Tuo
Abrasion between bar 3 and brake head 2 improves the service life of equipment；The inner sidewall of the brake head 2 is rubbing surface, described
Two pieces of friction blocks 8 are equipped in second mounting hole 6, two pieces of friction blocks 8 are contacted with two inner sidewalls of the brake head 2 respectively,
Butterfly spring 14 is equipped between two pieces of friction blocks 8, the butterfly spring 14 is in compressive state always, disk spring 7
The adjustment of pressure amount is appropriate, and long service life is unlikely to deform and damages, and replacement is not had in an overhaul time.
In above structure, between support 1 and brake head 2 other than being connected with shaft 4, also with two groups of springs 14 and friction
Block 8 connects support 1 and brake head 2.When make between brake head 2 and support 1 around the shaft the external force of 4 relative rotation be less than and rub
When the moment of friction formed between cleaning block 8 and brake head 2, brake head 2 keeps opposing stationary with support 1；When make brake head 2 and branch
When the external force of 4 relative rotation is greater than the moment of friction formed between friction block 8 and brake head 2 around the shaft between seat 1, brake head 2
It is relatively rotated between support 1.Therefore, during braking, the automatic of gap between brake head 2 and wheel tread is realized
Centering.
Embodiment 2
As shown in figure 4, the present embodiment is on the basis of embodiment 1, the adjustment mechanism includes adjustment screw 10, gland 11
With support 1, gland 11 is threadedly coupled with support 1, and cavity 12 is equipped between gland 11 and support 1；On the left side of gland 11
It is provided with through-hole, the internal diameter of through-hole is greater than the outer diameter of adjustment screw 10；The locating slot being rectangle is provided on the right side of support 1
13, the left end of adjustment screw 10 passes through through-hole and protrudes into locating slot 13, and the left end of adjustment screw 10 is determined equipped with what is be rectangle
Position block, locating piece and adjustment screw 10 are integrally formed；The axial direction of first mounting hole 5 or the second mounting hole 6 and adjustment screw 10
It is axially vertical；Axially vertical, and the locating slot 13 of the length direction of locating slot 13 and the first mounting hole 5 or the second mounting hole 6
Length is greater than the length of locating piece, and the width of locating slot 13 is adapted to the width of locating piece；It is arranged with washer in adjustment screw 10,
Spring 14 is equipped between washer and locating piece.
It is compressed between 10 head of adjustment screw and support 1 with spring 14, can both make 10 head of adjustment screw and branch in this way
Faying face between seat 1 is adjacent to, very close to each other, and adjustment screw 10 is made to play the role of positioning, support to support 1, guarantees brake shoe
Gap between wheel tread is uniform, and support 1 can be made to slide up and down with respect to adjustment screw 10, and support 1 is together with brake head
2, brake shoe is moved up and down with respect to adjustment screw 10, and the linear motion and support 1 for solving adjustment screw 10 are together with brake head 2, lock
Watt with brake shoe sunpender movement in a curve combination.
To the braking process of wheel are as follows: the power mechanism on brake pushes adjustment screw 10, makes adjustment screw 10 to the left
The head of linear motion, adjustment screw 10 pushes support 1 to move downward, and support 1 drives brake head 2, makes brake shoe and wheel tread
Braking is realized in fitting.In braking, support 1 carries out movement in a curve with brake shoe sunpender together with brake head 2, brake shoe, makes brake shoe and vehicle
Gap between wheel tread is uniform, at this point, support 1 is slided up and down with respect to adjustment screw 10, while doing compression disk spring 7 to the right
Movement, to cooperate the movement in a curve.
A specific embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (5)
1. a kind of brake shoe in track brake and wheel tread automatic capturing structure, including support, brake head, adjustment mechanism,
Watt support sunpender and shaft, which is characterized in that the side of the support is connect with the adjustment mechanism, and the other side of the support is set
There are the first mounting hole and the second mounting hole, first mounting hole and the second mounting hole are arranged at two insides of the brake head
Between wall；The inside of described watt of support sunpender is arranged in the brake head, and the shaft passes through described watt of through-hole held in the palm on sunpender, institute
The through-hole stated on brake head connects watt support sunpender, brake head with support with first mounting hole；The inside of the brake head
Wall is rubbing surface, is equipped with two pieces of friction blocks in second mounting hole, two pieces of friction blocks respectively with the brake head two
Inner sidewall contacts, and spring is equipped between two pieces of friction blocks, and the spring is in compressive state always.
2. brake shoe and wheel tread automatic capturing structure in track brake according to claim 1, which is characterized in that
The spring is butterfly spring.
3. brake shoe and wheel tread automatic capturing structure in track brake according to claim 1, which is characterized in that
Axle sleeve is equipped in the through-hole on through-hole and brake head on first mounting hole, watt support sunpender.
4. brake shoe and wheel tread automatic capturing structure in track brake according to claim 1, which is characterized in that
The inner sidewall of the brake head is equipped with the reinforcing rib for being limited to the support.
5. brake shoe and wheel tread automatic capturing structure in track brake according to claim 1, which is characterized in that
Second mounting hole is provided with even numbers, and even numbers second mounting hole is evenly arranged on the two sides of first mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346436.9A CN109969225A (en) | 2019-04-26 | 2019-04-26 | Brake shoe and wheel tread automatic capturing structure in track brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346436.9A CN109969225A (en) | 2019-04-26 | 2019-04-26 | Brake shoe and wheel tread automatic capturing structure in track brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109969225A true CN109969225A (en) | 2019-07-05 |
Family
ID=67086637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910346436.9A Pending CN109969225A (en) | 2019-04-26 | 2019-04-26 | Brake shoe and wheel tread automatic capturing structure in track brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109969225A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114394122A (en) * | 2022-01-20 | 2022-04-26 | 南京中车浦镇海泰制动设备有限公司 | Stable mechanism for relieving gap |
| CN114516347A (en) * | 2022-02-28 | 2022-05-20 | 赵程 | Near-rail speed reducer for rail transit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007203879A (en) * | 2006-02-01 | 2007-08-16 | Nabtesco Corp | Braking unit for railway rolling stock |
| JP2009190614A (en) * | 2008-02-15 | 2009-08-27 | Sankosha Co Ltd | Manual type wheel-braking element clearance adjustment unit |
| CN202378902U (en) * | 2011-10-31 | 2012-08-15 | 中国北车集团大连机车车辆有限公司 | Locomotive tread unit brake with self-location brake head |
| CN203228789U (en) * | 2013-05-07 | 2013-10-09 | 南车株洲电力机车有限公司 | Locomotive brake shoe |
| CN203410471U (en) * | 2013-08-14 | 2014-01-29 | 金鹰重型工程机械有限公司 | Foundation brake device |
| CN103693069A (en) * | 2013-12-30 | 2014-04-02 | 常州南车铁马科技实业有限公司 | Tread brake device |
| CN204956514U (en) * | 2015-09-21 | 2016-01-13 | 南车株洲电力机车有限公司 | Can prevent brake shoe brake head device of mill partially |
| CN209904772U (en) * | 2019-04-26 | 2020-01-07 | 四川江山轨道交通装备制造有限公司 | Automatic alignment structure for brake shoe and wheel tread in rail brake |
-
2019
- 2019-04-26 CN CN201910346436.9A patent/CN109969225A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007203879A (en) * | 2006-02-01 | 2007-08-16 | Nabtesco Corp | Braking unit for railway rolling stock |
| JP2009190614A (en) * | 2008-02-15 | 2009-08-27 | Sankosha Co Ltd | Manual type wheel-braking element clearance adjustment unit |
| CN202378902U (en) * | 2011-10-31 | 2012-08-15 | 中国北车集团大连机车车辆有限公司 | Locomotive tread unit brake with self-location brake head |
| CN203228789U (en) * | 2013-05-07 | 2013-10-09 | 南车株洲电力机车有限公司 | Locomotive brake shoe |
| CN203410471U (en) * | 2013-08-14 | 2014-01-29 | 金鹰重型工程机械有限公司 | Foundation brake device |
| CN103693069A (en) * | 2013-12-30 | 2014-04-02 | 常州南车铁马科技实业有限公司 | Tread brake device |
| CN204956514U (en) * | 2015-09-21 | 2016-01-13 | 南车株洲电力机车有限公司 | Can prevent brake shoe brake head device of mill partially |
| CN209904772U (en) * | 2019-04-26 | 2020-01-07 | 四川江山轨道交通装备制造有限公司 | Automatic alignment structure for brake shoe and wheel tread in rail brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114394122A (en) * | 2022-01-20 | 2022-04-26 | 南京中车浦镇海泰制动设备有限公司 | Stable mechanism for relieving gap |
| CN114516347A (en) * | 2022-02-28 | 2022-05-20 | 赵程 | Near-rail speed reducer for rail transit |
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