CN206485348U - A kind of eccentric abrasion prevention composite brake shoe - Google Patents
A kind of eccentric abrasion prevention composite brake shoe Download PDFInfo
- Publication number
- CN206485348U CN206485348U CN201720081372.0U CN201720081372U CN206485348U CN 206485348 U CN206485348 U CN 206485348U CN 201720081372 U CN201720081372 U CN 201720081372U CN 206485348 U CN206485348 U CN 206485348U
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- Prior art keywords
- watt
- abrasion prevention
- brake shoe
- eccentric abrasion
- main part
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Abstract
The utility model provides a kind of eccentric abrasion prevention composite brake shoe, including watt back of the body, watt nose, block and brake pad, brake pad is fixed on watt on the medial surface of the back of the body, with for the main part with wheel tread extrusion friction, and for being set in wheel rim part to prevent the eccentric abrasion prevention part of main part eccentric wear；Eccentric abrasion prevention is formed in part with being suitable to the groove that wheel rim is inserted, and distance of the groove floor apart from wheel rim part is more than main part apart from the distance between wheel tread.When being braked using brake shoe of the present utility model, due to groove floor apart from wheel rim summit portion distance be more than main part apart from the distance between wheel tread, thus the rate of wear of even main part is very fast, also be not in that wheel rim contacts groove floor first, so that driving brake shoe to swing, and then cause eccentric abrasion prevention part to be collided with wheel rim, the problem of causing distortion cracking etc., brake shoe of the present utility model is hardly damaged, and service life is long, has saved cost.
Description
Technical field
The utility model is related to locomotive brake technical field, and in particular to a kind of eccentric abrasion prevention composite brake shoe.
Background technology
Brake shoe is the important component of railway locomotive braking, is mainly made up of a watt nose, watt back of the body and brake pad, brake shoe passes through a watt nose
It is fixed in watt support being connected with locomotive.In braking, air damper produces thrust, promotes a watt support movement, brake shoe is fitted
On wheel tread, so as to brake railway locomotive by the frictional force of brake pad and wheel tread.
According to the difference of material, brake shoe can be divided into cast iron brake shoe, composite brake shoe and powder metallurgy brake block.Powder metallurgy brake block
Be using metal dust as matrix, add friction and lubriation material, be made of PM technique, due to it is wear-resistant, lead
Hot property is excellent, the advantages of hot-cracking resistance is good, and has obtained extensive utilization.
Chinese patent literature CN201287728Y discloses a kind of bias-wearing proof brake shoe for rolling stock, including rectangle brake shoe
Block, has also received a wheel holding edge inverted U brake shoe block on rectangle brake shoe block, rectangle brake shoe piece and wheel holding edge inverted U brake shoe block by
Excessively circle connection.Bias-wearing proof brake shoe in the patent document, although the purpose of eccentric abrasion prevention can be realized, but but there is following skill
Art defect：In locomotive brake, a watt support is exerted a force by rectangle brake shoe to wheel, the extruding between rectangle brake shoe block and wheel tread
Power is big, and the extruding force between wheel holding edge inverted U brake shoe block medial surface and wheel rim is small, the rectangle brake shoe block position rate of wear
It hurry up, the bottom abrasion speed of wheel holding edge inverted U brake shoe block medial surface is slow, when use a period of time, rectangle brake shoe block and wheel pedal
When the distance between face is more than the distance between wheel holding edge inverted U medial surface bottom and wheel tread, locomotive system is at this moment controlled again
When dynamic, before wheel tread contact rectangle brake shoe, wheel rim position can contact the bottom of wheel holding edge inverted U medial surface first
Portion, and drive brake shoe to swing, cause wheel holding edge inverted U position to be collided with wheel rim, cause distortion to be ftractureed, thus easily
Damage, service life is short.
Thus, how a kind of durable eccentric abrasion prevention composite brake shoe is set, is still unsolved technology in the prior art
Problem.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome eccentric abrasion prevention composite brake shoe of the prior art to make
After a period of time, the technological deficiency that easily distortion is ftractureed, so as to provide a kind of durable eccentric abrasion prevention composite brake shoe.
Therefore, the utility model provides a kind of eccentric abrasion prevention composite brake shoe, including：
Watt the back of the body；
On watt nose, the lateral surface for being arranged on the described watt of back of the body, for being fixedly connected with the Wa Tuo on locomotive；
On block, the lateral surface for being arranged on the described watt of back of the body；
Also include brake pad, the brake pad is fixed on the medial surface of the described watt of back of the body, with for being squeezed with wheel tread
The main part of friction is pressed, and for being set in wheel rim part to prevent the eccentric abrasion prevention part of the main part eccentric wear；
The eccentric abrasion prevention is formed in part with being suitable to the groove that the wheel rim is inserted, and the groove floor is apart from the vehicle wheel
The distance of edge point is more than the main part apart from the distance between described wheel tread.
As a kind of preferred scheme, when the main part is contacted with the wheel tread, the groove floor is apart from institute
The distance between state at the top of wheel rim is 0.2-1 times of the body portion thickness.
As a kind of preferred scheme, the groove is inverted U or inverted trapezoidal.
As a kind of preferred scheme, described watt of knapsack includes be fixedly connected with the main part the first watt back of the body, and with institute
State second watt of back of the body that eccentric abrasion prevention part is fixedly connected.
As a kind of preferred scheme, second watt of back is provided with the barb extended towards the eccentric abrasion prevention part, is used for
Strengthen the connection between the eccentric abrasion prevention part and second watt of back of the body.
As a kind of preferred scheme, described watt of nose through the described watt of back of the body and the part inside the brake pad, outside
Block piece is arranged with wall, for preventing the part from extracting out.
As a kind of preferred scheme, the cross section of the block piece is inverted trapezoidal, long bottom surface and the medial surface of the described watt of back of the body
Connection is contacted, middle part is provided with watt back of the body described in being used for described watt of nose and the part inside the brake pad is fixed and connected
The mounting hole connect.
As a kind of preferred scheme, the marking line for identifying the degree of wear is additionally provided with the main part.
As a kind of preferred scheme, it is additionally provided with the middle part of the main part for radiating and ash discharge extends transversely through groove.
The eccentric abrasion prevention composite brake shoe that the utility model is provided, with advantages below：
1. eccentric abrasion prevention composite brake shoe of the present utility model, brake pad includes being used for the main part with wheel tread extrusion friction
Point, and for being set in wheel rim part to prevent the eccentric abrasion prevention part of main part eccentric wear, eccentric abrasion prevention is formed with part
The groove inserted suitable for wheel rim, and distance of the groove floor apart from wheel rim part is more than main part apart from wheel
The distance between tread；When controlling locomotive brake, extrusion friction is braked between main part and wheel tread, and wheel rim enters
Enter to inside grooves, the two side of groove is located at the both sides of wheel rim, prevents brake pad from producing relative to wheel tread respectively
Skew, the whole of main part can be prevented eccentric wear with wheel tread extrusion friction, due to groove floor distance
The distance of wheel rim summit portion is more than main part apart from the distance between wheel tread, thus during braking, even leads
The rate of wear of body portion is very fast, is also not in that wheel rim contacts groove floor first, so that drive brake shoe to swing,
And then causing eccentric abrasion prevention part to be collided with wheel rim, the problem of causing distortion cracking etc. occurs, and brake shoe of the present utility model is not
Fragile, service life is long, has saved cost.As a kind of preferred scheme, groove floor can be designed at the top of wheel rim
The distance between be 0.2-1 times of body portion thickness.
2. eccentric abrasion prevention composite brake shoe of the present utility model, second watt of back is provided with the barb extended towards eccentric abrasion prevention part,
Barb stretches into eccentric abrasion prevention partial interior, can strengthen the bond strength between eccentric abrasion prevention part and second watt of back of the body, prevent eccentric abrasion prevention
Part chip off-falling.
3. eccentric abrasion prevention composite brake shoe of the present utility model, watt nose through watt back of the body and the part inside brake pad, outside
Wall is provided with block piece, for preventing the part from extracting out, this design, can strengthen the bonding strength between watt nose and watt back of the body,
Watt nose is difficult to be separated with a watt back of the body.
4. eccentric abrasion prevention composite brake shoe of the present utility model, the cross section of block piece is inverted trapezoidal, and long bottom surface and watt back of the body
Medial surface contact connection, this make it that block piece and watt contact area of back of the body medial surface are big, when there is external force to be applied on watt nose, resistance
Block piece is smaller for watt force of back of the body medial surface unit area, the not easy-to-draw evil idea watt back of the body；In addition, this setup, is also helped
The making of brake pad is synthesized, is not in the problem of position synthesis brake pad compacting is unreal.
5. the sign for identifying the degree of wear is additionally provided with eccentric abrasion prevention composite brake shoe of the present utility model, main part
Line, so as to remind maintenance worker to change brake shoe in time, it is to avoid changed not in time caused by people's collimation error.
Passed through 6. being additionally provided with the middle part of eccentric abrasion prevention composite brake shoe of the present utility model, main part for the transverse direction radiated with ash discharge
Wears groove, extend transversely through groove can not only will synthesize brake pad braking when produce fine-powder discharge, moreover it is possible to by brake pad with
The heat discharge produced between wheel tread by friction, is conducive to improving braking effect, it is to avoid synthesis brake pad is because of high temperature
Decompose.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in prior art or the utility model embodiment, below to existing
There is the accompanying drawing used in technology or embodiment description to be briefly described, it should be apparent that, for the common skill in this area
For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of eccentric abrasion prevention composite brake shoe in the utility model embodiment.
Fig. 2 is Fig. 1 top view.
Fig. 3 is Fig. 1 A-A direction views.
Fig. 4 is Fig. 1 B-B direction view.
Reference：1st, watt back of the body；11st, first watt of back of the body；12nd, second watt of back of the body；13rd, barb；2nd, watt nose；3rd, block；4th, rub
Block；40th, groove；41st, main part；42nd, eccentric abrasion prevention part；43rd, marking line；5th, block piece；51st, mounting hole；6th, extend transversely through
Groove.
Embodiment
The technical solution of the utility model is described with reference to Figure of description, it is clear that following embodiments are not
It is the whole embodiment of the utility model.Based on the embodiment described by the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of other creative works, belong to protection domain of the present utility model.
It should be noted that in description of the present utility model, term " first ", " second " are only used for describing purpose, and
It is not intended that indicating or implying relative importance.In addition, involved in the utility model different embodiments disclosed below
As long as and technical characteristic do not constitute each other conflict can just be combined with each other.
Embodiment
The present embodiment provides a kind of eccentric abrasion prevention composite brake shoe, as Figure 1-4, including：Watt the back of the body 1；Watt nose 2, is arranged on institute
State on watt lateral surface of the back of the body 1, for being fixedly connected with the Wa Tuo on locomotive；Block 3, is arranged on the outer of described watt of back of the body 1
On side；Also include brake pad 4, the brake pad 4 is fixed on the medial surface of the described watt of back of the body 1, with being used for and wheel tread
The main part 41 of extrusion friction, and for being set in wheel rim part to prevent the eccentric abrasion prevention of the eccentric wear of main part 41
Part 42；The eccentric abrasion prevention part 42 is formed with the groove 40 inserted suitable for the wheel rim, and the bottom surface of the groove 40
Distance apart from the wheel rim part is more than the main part 41 apart from the distance between described wheel tread.
The eccentric abrasion prevention composite brake shoe of the present embodiment, when controlling locomotive brake, is squeezed between main part 41 and wheel tread
Friction catch is pressed, wheel rim is entered inside groove 40, the two side of groove 40 is located at the both sides of wheel rim respectively, prevents
Brake pad 4 produces the skew relative to wheel tread, make the whole of main part 41 can with wheel tread extrusion friction from
And prevent eccentric wear, due to the bottom surface of groove 40 apart from wheel rim summit portion distance be more than main part 41 apart from wheel tread
The distance between, thus during braking, the even rate of wear of main part 41 is very fast, is also not in that wheel rim connects first
The bottom surface of groove 40 is touched, so that driving brake shoe to swing, and then causes eccentric abrasion prevention part 42 to be collided with wheel rim, causes distortion
The problem of cracking etc., occurs, and the brake shoe of the present embodiment is hardly damaged, and service life is long, has saved cost.It is used as a kind of preferred side
Case, can design 0.2-1 times that the bottom surface of groove 40 is body portion thickness apart from the distance between wheel rim top.
In the present embodiment, the groove 40 is inverted U, and as change design scheme, the shape of groove 40 can also be down
It is trapezoidal.
The described watt of back of the body 1 includes be fixedly connected with the main part 41 the first watt back of the body 11, and with the eccentric abrasion prevention part
42 second watt of back of the body 12 being fixedly connected.Second watt of back of the body 12 is provided with the barb 13 extended towards the eccentric abrasion prevention part 42,
For strengthening the connection between the eccentric abrasion prevention part 42 and second watt of back of the body 12.Barb 13 is stretched into eccentric abrasion prevention part 42
Portion, can strengthen the bond strength between eccentric abrasion prevention part 42 and second watt of back of the body 12, prevent the chip off-falling of eccentric abrasion prevention part 42.
Described watt of nose 2 through the described watt of back of the body 1 is arranged with stop on the part inside the brake pad 4, outer wall
Part 5, for preventing the part from extracting out.This design, can strengthen the bonding strength between watt nose 2 and watt back of the body 1, and watt nose 2 is difficult
Separated with a watt back of the body 1.
The cross section of the block piece 5 is inverted trapezoidal, and long bottom surface contacts connection with the medial surface of the described watt of back of the body 1, and middle part is set
There is the mounting hole being fixedly connected for watt back of the body 1 described in described watt of nose 2 and the part inside the brake pad 4
51.Long bottom surface contacts the mode of connection with watt 1 medial surface of the back of the body so that block piece 5 and watt contact area of 1 medial surface of the back of the body are big, when
When having the external force to be applied on watt nose 2, block piece 5 is smaller for watt force of 1 medial surface unit area of the back of the body, the not easy-to-draw evil idea watt back of the body 1；
In addition, this setup, also helps the making of synthesis brake pad, be not in that position synthesis brake pad compacting is unreal
Problem.
The marking line 43 for identifying the degree of wear is additionally provided with the main part 41, maintenance worker can be reminded timely
Change brake shoe, it is to avoid changed not in time caused by people's collimation error.
The middle part of the main part 41 is additionally provided with for radiating and ash discharge extends transversely through groove 6, extends transversely through groove 6 not only
Can will synthesize brake pad braking when produce fine-powder discharge, moreover it is possible to by between brake pad 4 and wheel tread because friction
And the heat discharge produced, be conducive to improving braking effect, it is to avoid synthesis brake pad is decomposed because of high temperature.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in protection domain of the present utility model.
Claims (9)
1. a kind of eccentric abrasion prevention composite brake shoe, including：
Watt the back of the body (1)；
On watt nose (2), the lateral surface for being arranged on the described watt of back of the body (1), for being fixedly connected with the Wa Tuo on locomotive；
On block (3), the lateral surface for being arranged on the described watt of back of the body (1)；
It is characterized in that：Also include brake pad (4), the brake pad (4) is fixed on the medial surface of the described watt of back of the body (1), had
For the main part (41) with wheel tread extrusion friction, and for being set in wheel rim part to prevent the main part
Divide the eccentric abrasion prevention part (42) of (41) eccentric wear；The eccentric abrasion prevention part (42) is formed with the groove inserted suitable for the wheel rim
(40), and the groove (40) bottom surface apart from the wheel rim part distance be more than the main part (41) apart from institute
State the distance between wheel tread.
2. eccentric abrasion prevention composite brake shoe according to claim 1, it is characterised in that：The main part (41) and the wheel
When tread is contacted, groove (40) bottom surface is thick for the main part (41) apart from the distance between wheel rim top
0.2-1 times of degree.
3. eccentric abrasion prevention composite brake shoe according to claim 1 or 2, it is characterised in that：The groove (40) is inverted U or fallen
It is trapezoidal.
4. eccentric abrasion prevention composite brake shoe according to claim 3, it is characterised in that：The described watt of back of the body (1) includes and the main body
First watt of back of the body (11) that partly (41) are fixedly connected, and second watt of back of the body (12) being fixedly connected with the eccentric abrasion prevention part (42).
5. eccentric abrasion prevention composite brake shoe according to claim 4, it is characterised in that：It is described second watt the back of the body (12) be provided with towards
The barb (13) of eccentric abrasion prevention part (42) extension, for strengthening the eccentric abrasion prevention part (42) and the described second watt back of the body (12)
Between connection.
6. eccentric abrasion prevention composite brake shoe according to claim 1 or 2, it is characterised in that：Described watt of nose (2) through described watt
Carry on the back (1) and be arranged with block piece (5) on the internal part of the brake pad (4), outer wall, for preventing the part from extracting out.
7. eccentric abrasion prevention composite brake shoe according to claim 6, it is characterised in that：The cross section of the block piece (5) is
Trapezoidal, long bottom surface contact connection with the medial surface of the described watt of back of the body (1), middle part be provided be used for described in the passing through of described watt of nose (2)
Watt back of the body (1) and the mounting hole (51) being fixedly connected positioned at the internal part of the brake pad (4).
8. eccentric abrasion prevention composite brake shoe according to claim 1, it is characterised in that：Use is additionally provided with the main part (41)
In the marking line (43) of the mark degree of wear.
9. eccentric abrasion prevention composite brake shoe according to claim 1, it is characterised in that：The middle part of the main part (41) is also set
Have for radiating and ash discharge extends transversely through groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081372.0U CN206485348U (en) | 2017-01-22 | 2017-01-22 | A kind of eccentric abrasion prevention composite brake shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081372.0U CN206485348U (en) | 2017-01-22 | 2017-01-22 | A kind of eccentric abrasion prevention composite brake shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206485348U true CN206485348U (en) | 2017-09-12 |
Family
ID=59765775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720081372.0U Expired - Fee Related CN206485348U (en) | 2017-01-22 | 2017-01-22 | A kind of eccentric abrasion prevention composite brake shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206485348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998019A (en) * | 2020-09-27 | 2020-11-27 | 唐荣富 | Tread brake device convenient to wearing and tearing discernment |
| CN113906234A (en) * | 2019-06-11 | 2022-01-07 | Rfpc控股公司 | Friction device with a coupling insert |
-
2017
- 2017-01-22 CN CN201720081372.0U patent/CN206485348U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906234A (en) * | 2019-06-11 | 2022-01-07 | Rfpc控股公司 | Friction device with a coupling insert |
| CN113906234B (en) * | 2019-06-11 | 2023-11-14 | Rfpc控股公司 | Friction device with coupling insert |
| CN111998019A (en) * | 2020-09-27 | 2020-11-27 | 唐荣富 | Tread brake device convenient to wearing and tearing discernment |
| CN111998019B (en) * | 2020-09-27 | 2021-12-31 | 东营信义制动系统有限公司 | Tread brake device convenient to wearing and tearing discernment |
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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: 20170912 Termination date: 20210122 |