CN209294294U - A kind of floating type brake lining of lorry - Google Patents
A kind of floating type brake lining of lorry Download PDFInfo
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- CN209294294U CN209294294U CN201920348943.1U CN201920348943U CN209294294U CN 209294294 U CN209294294 U CN 209294294U CN 201920348943 U CN201920348943 U CN 201920348943U CN 209294294 U CN209294294 U CN 209294294U
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- metal backing
- pin
- friction piece
- triangle
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Abstract
The utility model discloses a kind of lorry floating type brake lining, including metal backing, several mounting holes are provided on metal backing；Floating unit, floating unit includes triangle friction piece, elastic cylindrical pin and positioning card, three vertex of triangle friction piece are provided with cylindrical hole, fixation hole corresponding with cylinder hole site is provided on metal backing, one end of elastic cylindrical pin is encased in cylindrical hole, the other end is withstood in fixation hole, triangle friction piece center is additionally provided with pin, the free end of pin is pierced by from mounting hole, and triangle friction piece is fixed on metal backing by positioning card, mechanical wear is alleviated while mitigating the thermic load of wheel tread, reduce maintenance cost and replacement labor intensity.
Description
Technical field
The utility model relates to locomotive brake technical fields, more particularly to a kind of floating type brake lining of lorry.
Background technique
Cargo transport is the important component of railway transportation, and the vehicle that carrying cargo is used on railway is referred to as railway
Lorry, in the past since the goods stock speed of service is lower, braking quality is little, of less demanding to braking ability, mainly uses
The friction materials such as cast iron brake shoe, composite brake shoe are braked, but in actual use, and that there are coefficient of frictions is low for cast iron brake shoe,
The problems such as weight is big, replaces large labor intensity, composite brake shoe is although light-weight, but is easy to appear damascene in use and asks
Topic seriously affects vehicle operation.
With the development of Railway Freight Transportation, high speed, heavy duty is increasingly becoming new developing direction, accordingly to freight car braking
Performance is put forward new requirements, and the original tread brake mode of railway freight-car has not adapted to the development side of lorry high-speed overload
To, therefore now one kind is needed to compare tread brake, high with braking efficiency, the thermic load of mitigation wheel tread is ground with mechanical significantly
Consumption, compact-sized, the brake pad for the advantages that vehicle braking is steady.
Utility model content
In order to solve the above-mentioned technical problem or one of, the utility model provides a kind of floating type brake lining of lorry, packet
It includes
Metal backing is provided with several mounting holes on the metal backing；
Floating unit, the floating unit include triangle friction piece, elastic cylindrical pin and positioning card, and the triangle rubs
Three vertex of rub body are provided with cylindrical hole, and fixation corresponding with the cylinder hole site is provided on the metal backing
Hole, one end of the elastic cylindrical pin are encased in the cylindrical hole, and the other end is withstood in the fixation hole, and the triangle rubs
Rub body center is additionally provided with pin, and the free end of the pin is pierced by from the mounting hole, and by the positioning card by institute
Triangle friction piece is stated to be fixed on the metal backing.
By being arranged floating unit on metal backing, and floating unit is triangle friction piece by elastic cylindrical pin from three
The structure being pressed on metal backing at the triangle of angular friction piece makes triangle friction by the metallic elastic of elastic cylindrical pin
After body is fixed on metal backing by pin and positioning card, buffering can be provided by elastic cylindrical pin when brake is squeezed
Power reduces the friction between triangle friction piece and metal backing, also mitigates while mitigating the thermic load of wheel tread
Mechanical wear between triangle friction piece and metal backing, reduce maintenance cost and replacement labor intensity, while be arranged with
The corresponding fixation hole of cylindrical hole keeps elastic cylindrical pin fixedly more firm between triangle friction piece and metal backing, makes
Floating installation is compactly installed on metal backing, makes lorry in brake, vehicle braking is more steady.
Further, three equal rounded corners of vertex of the triangle friction piece, three cylindrical holes are located at
The center point of three fillets.
By adopting the above technical scheme, by rounded corner equal at the triangle of triangle friction piece, on the one hand in brake, by
It is not easy to wear with respect to corner angle in fillet, the center point that three fillets are arranged in three cylindrical holes is on the other hand made into triangle friction
The structure of body is firmer, improves the safety coefficient of brake lining entirety.
Further, dish-shaped elastic slice, the dish bullet are provided between the triangle friction piece and the metal backing
Piece is provided centrally with through-hole, and the pin passes through the dish-shaped elastic slice by the through-hole of the dish-shaped elastic slice.
By adopting the above technical scheme, by using dish-shaped elastic slice, triangle can be made by the taper steel plate structure of dish-shaped elastic slice
Gap is generated between shape friction piece and metal backing, pressure and shearing force that elastic cylindrical pin is subject to is shared, makes floating unit
Structure is more stable, when dish-shaped elastic slice stress, certain deflection can be generated along axis, plays adjustment rubbing surface, makes to rub
The effect of body uniform stressed.
Further, metal backing ream counterbore at the mounting hole, the dish elastic slice are existed by the counterbore
It limits and fixes between the metal backing and the triangle friction piece.
Further, the metal backing is provided with dovetails far from the other side of floating unit, and the dovetails pass through
Rivet is fixed on the metal backing, and preformed hole corresponding with the position of mounting hole is provided in the dovetails, described
Preformed hole is for bearing positioning card.
Further, the end face cross section of the dovetails is W plate-type structure, and is constituted at the middle part of the dovetails
It rises as high as the banks.
Further, the triangle friction piece is mainly made of the friction bed of material, pin and skeleton, and the friction bed of material is set
It is placed on the skeleton, the fixing end of the pin is fixed between the skeleton and the friction bed of material.
Further, the positioning card is circlip, and the butterfly structure of card hole is had centered on the circlip, the circlip
Card hole diameter is identical as the diameter of the pin.
The utility model has the beneficial effects that:
(1) by being arranged floating unit on metal backing, and floating unit is triangle friction piece by elastic cylindrical pin
The structure being pressed on metal backing from the triangle of triangle friction piece makes triangle by the metallic elastic of elastic cylindrical pin
After friction piece is fixed on metal backing by pin and positioning card, it can be provided when brake is squeezed by elastic cylindrical pin
Cushion effect reduces the friction between triangle friction piece and metal backing, also subtracts while mitigating the thermic load of wheel tread
Light mechanical wear between triangle friction piece and metal backing, reduces maintenance cost and replacement labor intensity；
(2) fixation hole corresponding with cylindrical hole is set simultaneously, makes elastic cylindrical pin in triangle friction piece and metal backing
Between it is fixedly more firm, be compactly installed floating installation on metal backing, make lorry brake when, vehicle braking is more
Add steady.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the floating type brake lining of lorry described in the utility model；
Fig. 2 is a kind of side view of the floating type brake lining of lorry described in the utility model；
Fig. 3 is the structure chart of triangle friction piece described in the utility model；
Fig. 4 is a kind of rearview of the floating type brake lining of lorry described in the utility model.
In figure, 1, metal backing；2, floating unit；101, mounting hole；102, fixation hole；103, counterbore；104, dovetails；
201, triangle friction piece；202, elastic cylindrical pin；203, positioning card；204, dish-shaped elastic slice；2011, cylindrical hole；2012, it sells
Nail；2013, fillet；2014, rub the bed of material；2015, skeleton；1041, it rises as high as the banks；1042, preformed hole.
Specific embodiment
1-4 illustrates specific embodiment according to the present utility model with reference to the accompanying drawing.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the utility model is not limited to following
The limitation of disclosed specific embodiment.
The embodiments of the present invention provides the utility model and provides a kind of floating type brake lining of lorry, including
Metal backing 1 is provided with several mounting holes 101 on the metal backing 1；
Floating unit, the floating unit 2 include triangle friction piece 201, elastic cylindrical pin 202 and positioning card 203, institute
Three vertex for stating triangle friction piece 201 are provided with cylindrical hole 2011, are provided on the metal backing 1 and the cylinder
The corresponding fixation hole 102 in 2011 position of hole, one end of the elastic cylindrical pin 202 is encased in the cylindrical hole 2011, another
End is withstood in the fixation hole 102, and 201 center of triangle friction piece is additionally provided with pin 2012, the pin 2012
Free end is pierced by from the mounting hole 101, and the triangle friction piece 201 is fixed on institute by the positioning card 203
It states on metal backing 1.
Wherein, elastic cylindrical pin 202 is also known as spring catch, is a kind of hollow cylindrical body without a head, axially grooved, two cephalic pars
There is chamfering, for positioning, connection, the fixation etc. between part, need to have good elasticity and anti-shearing force.
By adopting the above technical scheme, by the way that floating unit 2 is arranged on metal backing 1, and floating unit 2 rubs for triangle
Elastic cylindrical pin 202 is pressed on the structure on metal backing 1 by rub body 201 from the triangle of triangle friction piece 201, by bullet
Property straight pin 202 metallic elastic so that triangle friction piece 201 is fixed on metal backing 1 by pin 2012 and positioning card 203
Afterwards, cushion effect can be provided by elastic cylindrical pin 202 when brake is squeezed, reduces triangle friction piece 201 and metal is carried on the back
Friction between plate 1 also mitigates triangle friction piece 201 and metal backing 1 while mitigating the thermic load of wheel tread
Between mechanical wear, reduce maintenance cost and replacement labor intensity, while corresponding with cylindrical hole 2011 fixation hole is set
102, keep elastic cylindrical pin 202 fixedly more firm between triangle friction piece 201 and metal backing 1, makes floating installation
It is compactly installed on metal backing 1, makes lorry in brake, vehicle braking is more steady.
On the basis of the embodiment above, the preferred embodiment of the utility model is, the triangle friction piece 201
The equal rounded corner 2013 of three vertex, three cylindrical holes 2011 are located at the center point of three fillets 2013.
By adopting the above technical scheme, it by rounded corner 2013 equal at the triangle of triangle friction piece 201, is on the one hand stopping
On the other hand Che Shi three cylindrical holes 2011 is arranged in three fillets 2013 since fillet 2013 is not easy to wear with respect to corner angle
The center point keep the structure of triangle friction piece 201 firmer, improve brake lining entirety safety coefficient.
Dish-shaped elastic slice 204, the dish elastic slice are provided between the triangle friction piece 201 and the metal backing 1
204 are provided centrally with through-hole, and the pin 2012 passes through the dish-shaped elastic slice 204 by the through-hole of the dish-shaped elastic slice 204.
By adopting the above technical scheme, by using dish-shaped elastic slice 204, the taper steel plate structure of dish-shaped elastic slice 204 can be passed through
Make to generate gap between triangle friction piece 201 and metal backing 1, share pressure and shearing force that elastic cylindrical pin 202 is subject to,
Keep the structure of floating unit 2 more stable, when dish-shaped 204 stress of elastic slice, certain deflection can be generated along axis, plays tune
Whole rubbing surface acts on triangle friction piece 201 uniformly by frictional force.
On the basis of above preferred embodiment, further, the metal backing 1 ream at the mounting hole 101 is heavy
Hole 103, the dish elastic slice 204 is by the counterbore 103 between the metal backing 1 and the triangle friction piece 201
Limit is fixed.
By the ream counterbore 103 at mounting hole 101, so that dish-shaped elastic slice 204 is limited on metal backing 1, prevent
It shifts.
On the basis of the embodiment above, the embodiments of the present invention are, the metal backing 1 is far from floating unit
The other side be provided with dovetails 104, the dovetails 104 are fixed on the metal backing 1 by rivet, and the dovetail
Preformed hole 1042 corresponding with 101 position of mounting hole is provided on block 104, the preformed hole 1042 is for bearing positioning card
203。
By the way that dovetails 104 are arranged, the connection structure in lorry brake is provided for brake lining, pacifies metal backing 1
In the brake of lorry.
On the basis of the above embodiments, further, the end face cross section of the dovetails 104 is W plate-type structure,
And it is constituted at the middle part of the dovetails 104 and rises as high as the banks 1041.
By using the dovetails 104 for the plank frame that end face cross section is W type, while in the middle part structure of dovetails 104
At rising as high as the banks 1041, keep the structure of dovetails 104 stronger, promotes the structural strength of brake lining entirety.
On the basis of the embodiment above, further, the triangle friction piece 201 is mainly by the friction bed of material
2014, pin 2012 and skeleton 2015 form, and the friction bed of material 2014 is set on the skeleton, and the pin 2012 is consolidated
Fixed end is fixed between the skeleton 2015 and the friction bed of material 2014.
On the basis of the embodiment above, the preferred embodiment of the utility model is that the positioning card 203 is circlip,
The butterfly structure of card hole is had centered on the circlip, the card hole diameter of the circlip is identical as the diameter of the pin 2012.
It is preferably circlip by positioning card 203 by using above-mentioned technical proposal, allows positioning card 203 more quickly
It is installed on pin 2012, triangle friction piece 201 is fixed.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of floating type brake lining of lorry characterized by comprising
Metal backing (1) is provided with several mounting holes (101) on the metal backing (1)；
Floating unit (2), the floating unit (2) include triangle friction piece (201), elastic cylindrical pin (202) and positioning card
(203), three vertex of the triangle friction piece (201) are provided with cylindrical hole (2011), are set on the metal backing (1)
It is equipped with fixation hole (102) corresponding with the cylindrical hole (2011) position, one end of the elastic cylindrical pin (202) is encased in institute
It states in cylindrical hole (2011), the other end is withstood in the fixation hole (102), and triangle friction piece (201) center is also set up
Have pin (2012), the free end of the pin (2012) is pierced by from the mounting hole (101), and passes through the positioning card
(203) the triangle friction piece (201) is fixed on the metal backing (1).
2. the floating type brake lining of lorry according to claim 1, it is characterised in that: the triangle friction piece (201)
Three equal rounded corners of vertex (2013), three cylindrical holes (2011) are located at the center of circle of three fillets (2013)
Place.
3. the floating type brake lining of lorry according to claim 1, it is characterised in that: the triangle friction piece (201) and
It is provided with dish-shaped elastic slice (204) between the metal backing (1), the dish elastic slice (204) is provided centrally with through-hole, described
Pin (2012) passes through the dish-shaped elastic slice (204) by the through-hole of the dish-shaped elastic slice (204).
4. the floating type brake lining of lorry according to claim 3, it is characterised in that: the metal backing (1) is in the peace
Fill hole (101) at ream counterbore (103), it is described dish elastic slice (204) by the counterbore (103) the metal backing (1) with
It limits and fixes between the triangle friction piece (201).
5. the floating type brake lining of lorry according to claim 1, it is characterised in that: the metal backing (1) is far from floating
The other side of unit (2) is provided with dovetails (104), and the dovetails (104) are fixed on the metal backing (1) by rivet
On, and preformed hole (1042) corresponding with the mounting hole (101) position, the preformed hole are provided in the dovetails (104)
(1042) for bearing positioning card (203).
6. the floating type brake lining of lorry according to claim 5, it is characterised in that: the end face of the dovetails (104) is horizontal
Section is W plate-type structure, and constitutes at the middle part of the dovetails (104) and rise as high as the banks (1041).
7. the floating type brake lining of lorry according to claim 1, it is characterised in that: the triangle friction piece (201) is main
It to be made of the friction bed of material (2014), pin (2012) and skeleton (2015), the friction bed of material (2014) is set to the bone
On frame (2015), the fixing end of the pin (2012) be fixed on the skeleton (2015) and the friction bed of material (2014) it
Between.
8. the floating type brake lining of lorry according to claim 1, it is characterised in that: the positioning card (203) is circlip, institute
The butterfly structure that card hole is had centered on circlip is stated, the card hole diameter of the circlip is identical as the diameter of the pin (2012).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348943.1U CN209294294U (en) | 2019-03-19 | 2019-03-19 | A kind of floating type brake lining of lorry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348943.1U CN209294294U (en) | 2019-03-19 | 2019-03-19 | A kind of floating type brake lining of lorry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209294294U true CN209294294U (en) | 2019-08-23 |
Family
ID=67643383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920348943.1U Active CN209294294U (en) | 2019-03-19 | 2019-03-19 | A kind of floating type brake lining of lorry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209294294U (en) |
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2019
- 2019-03-19 CN CN201920348943.1U patent/CN209294294U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102299 C104 2, 2nd floor, No. 16 Building, 37 Qianqian Road, Changping District Science and Technology Park, Beijing Patentee after: Beijing Pulan Rail Transit Technology Co.,Ltd. Address before: 102299 C104 2, 2nd floor, No. 16 Building, 37 Qianqian Road, Changping District Science and Technology Park, Beijing Patentee before: BEIJING PURAN RAILWAY TRANSPORATION SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200803 Address after: 102299 C104 2, 2nd floor, No. 16 Building, 37 Qianqian Road, Changping District Science and Technology Park, Beijing Co-patentee after: SHANDONG HEZE DETONG NEW MATERIAL TECHNOLOGY CO.,LTD. Patentee after: Beijing Pulan Rail Transit Technology Co.,Ltd. Address before: 102299 C104 2, 2nd floor, No. 16 Building, 37 Qianqian Road, Changping District Science and Technology Park, Beijing Patentee before: Beijing Pulan Rail Transit Technology Co.,Ltd. |