CN203548649U - Brake pad of dovetail structure - Google Patents
Brake pad of dovetail structure Download PDFInfo
- Publication number
- CN203548649U CN203548649U CN201320623795.2U CN201320623795U CN203548649U CN 203548649 U CN203548649 U CN 203548649U CN 201320623795 U CN201320623795 U CN 201320623795U CN 203548649 U CN203548649 U CN 203548649U
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- CN
- China
- Prior art keywords
- brake lining
- dovetail
- brake pad
- described brake
- backboard
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- 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 - Lifetime
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- 239000002184 metal Substances 0.000 claims description 11
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a brake pad of a dovetail structure. The brake pad comprises a brake pad back plate, a brake pad dovetail part and a brake pad friction body; the brake pad dovetail part is fixedly integrated in the middle of the brake pad back plate through a rivet, and is pressed into the brake pad with the brake pad friction body; two limit slots are formed on the working face of the brake pad friction body; the two limit slots are arranged on both sides of the central shaft of the brake pad friction body, deflect for 4 degrees relative to the center and are arranged in a radial direction; a rectangular hollow structure is arranged in the middle of the brake pad back plate; a plurality of rivet holes for installing the brake pad dovetail part are respectively formed in both sides of the longer side of the hollow structure, and a boss is respectively arranged on the longer side of the hollow structure at each rivet hole; a plurality of connecting holes are respectively formed in both ends of the dovetail part of the brake pad back plate and the top of the middle; a plurality of connecting holes are formed in the middle part of the brake pad dovetail part; a plurality of rivet holes are respectively formed in both sides of all connecting holes in the brake pad dovetail part. The brake pad of the dovetail structure can be widely applied to the braking systems of various railway track vehicles.
Description
Technical field
The utility model relates to a kind of component of railroad track vehicle truck brake rigging device, particularly about a kind of dovetail structure brake pad.
Background technique
Railroad track vehicle adopts disc braking brake rigging conventionally in order to meet synthetical restraint performance, no matter reel or wheel disc of disc braking brake rigging, are all the frictions that utilize brake lining friction piece and brake disc, kinetic transformation is become to heat energy, thereby realize vehicle parking braking.
At present, for the ease of installation and the replacing of brake lining, most of brake pads all adopt brake lining dovetail structure to realize the installation of brake lining and brake clamp, wherein adopt the sheet metal pressure-type structure of easy-formation with the brake lining dovetail of the riveted joint of brake lining backboard or welding more, due to Vehicular vibration, meeting hammering clamp brake lining dovetail groove top, brake lining dovetail top, causes brake lining dovetail end to deform in actual applications, when needing more to renew brake lining after brake lining abrasion, the brake lining of abrasion is removed difficulty from clamp.Therefore, research and development avoid the brake pad of brake lining dovetail distortion in use very necessary.
Summary of the invention
For the problems referred to above, the purpose of this utility model be to provide a kind of safe and reliable, dismounting is convenient, can increase work efficiency, reduces and avoid the in use dovetail structure brake pad of vibration deformation of brake lining dovetail.
For achieving the above object, the utility model by the following technical solutions: a kind of dovetail structure brake pad, is characterized in that: it comprises and is installed with all-in-one-piece brake lining backboard, brake lining dovetail and brake lining friction piece; In described brake lining backboard neutral position, place is installed with described brake lining dovetail by rivet; Described brake lining backboard is pressed on the back side of described brake lining friction piece, at the working surface of described brake lining friction piece, is provided with two limit grooves, and described two limit grooves are arranged on described brake lining friction piece central shaft both sides, and 4 ° of radially settings of center deflection relatively; Place, described brake lining backboard neutral position is provided with rectangular hollow structure, in the both sides, long limit of described hollow structure, be respectively arranged with somely for the riveted holes of described brake lining dovetail is installed, be positioned at each described riveted holes and be in described hollow structure long side and be also provided with boss; The dovetail two ends and the center top thereof that are positioned at described brake lining backboard, be also respectively arranged with some attachment holes; Described brake lining dovetail middle part is provided with some attachment holes; On described brake lining dovetail, be positioned at the both sides of all described attachment holes, be respectively arranged with some riveted holes.
Described brake lining backboard is arc sole type structure, adopts steel material to make.
Described brake lining dovetail adopts ω type structure, adopts sheet metal die mould to form.
The bucking ladder structure that described brake lining dovetail adopts sheet metal die mould to form, be positioned at trapezoidal director's base side and be provided with groove, on described groove, be provided with some described attachment holes, be positioned at bucking ladder short brink and be provided with two fillets, on described fillet, be provided with some described riveted holes; Described brake lining backboard middle part is provided with groove, at the middle part of described groove, is provided with described hollow structure; The long limit bilateral symmetry of described hollow structure is provided with the riveted holes that described brake lining dovetail is installed, and also has additional the cantilever bar being connected with described brake lining dovetail upper groove at described hollow structure short brink.
Described brake lining backboard middle part is provided with groove, at the middle part of described groove, is provided with described hollow structure; In the long limit of described hollow structure bilateral symmetry, be provided with the riveted holes that described brake lining dovetail is installed, at the minor face of described hollow structure, be also provided with the cantilever bar being connected with described brake lining dovetail; The bucking ladder structure that described brake lining dovetail adopts sheet metal die mould to form is provided with some described attachment holes in trapezoidal director's base side; Be positioned at bucking ladder short brink and be provided with two fillets, on described fillet, be provided with some described riveted holes.
Described brake lining dovetail two ends are provided with cantilever bar, between the cantilever bar in the cantilever bar on described brake lining dovetail and described brake lining backboard, are fixedly connected with; Described brake lining backboard hollow structure two ends are provided with boss.
The utility model is owing to taking above technological scheme, and it has the following advantages: 1, the utility model is because brake lining backboard, brake lining dovetail all adopt enhancing structure, the problem of effectively having avoided brake lining to be in use out of shape.2, the utility model is pressed into one owing to adopting by brake lining backboard, brake lining dovetail and brake lining friction piece, and be provided with riveted holes on brake lining dovetail and brake lining backboard, by riveted holes, brake lining dovetail is installed on brake lining backboard to effective like this enhancing and the intensity of brake lining friction piece.3, brake lining dovetail of the present utility model, owing to adopting light sheet material, is easy to moulding, is conducive to reduce this brake lining manufacture cost.4, the utility model strengthens structure because brake lining backboard adopts, and has avoided the distortion in brake lining use, has solved the damage of Vehicular vibration to brake lining, is convenient to dismounting in practical application, can save the activity duration.The utility model can be widely used in different kinds of railways rail vehicle braking system.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model specific embodiment 1;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the rear view of Fig. 1;
Fig. 4 is the A-A sectional view of Fig. 1;
The brake lining back board structure schematic diagram of Fig. 5 the utility model specific embodiment 1;
Fig. 6 is the A-A sectional view of Fig. 5;
Fig. 7 is the brake lining dovetail structural representation of the utility model specific embodiment 1;
Fig. 8 is the A-A sectional view of Fig. 7;
Fig. 9 is the overall structure schematic diagram of the utility model specific embodiment 2;
Figure 10 is the A-A sectional view of Fig. 9;
Figure 11 is the B-B sectional view of Fig. 9;
Figure 12 is the brake lining dovetail structural representation of the utility model specific embodiment 2;
Figure 13 is the A-A sectional view of Figure 12;
Figure 14 is the brake lining back board structure schematic diagram of the utility model specific embodiment 3;
Figure 15 is the A-A sectional view of Figure 14;
Figure 16 is the overall structure schematic diagram of the utility model specific embodiment 3;
Figure 17 is the A-A sectional view of Figure 16;
Figure 18 is the B-B sectional view of Figure 16;
Figure 19 is brake lining dovetail 1 structural representation of the utility model specific embodiment 3;
Figure 20 is the A-A sectional view of Figure 19;
The brake lining back board structure schematic diagram of Figure 21 the utility model specific embodiment 3;
Figure 22 is the A-A sectional view of Figure 21;
Figure 23 is middle brake lining dovetail and the brake lining back board structure schematic diagram of the utility model specific embodiment 4, is the B-B sectional view of Figure 16;
Figure 24 is the brake lining dovetail structural representation of the utility model specific embodiment 4;
Figure 25 is the A-A sectional view of Figure 24;
The brake lining back board structure schematic diagram of Figure 26 the utility model specific embodiment 4;
Figure 27 is the A-A sectional view of Figure 26.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figures 1 to 3, the utility model comprises and is installed with all-in-one-piece brake lining backboard 1, brake lining dovetail 2 and brake lining friction piece 3.On brake lining backboard 1, brake lining backboard 1 place, neutral position is installed with brake lining dovetail 2 by rivet 4.Brake lining backboard 1 is pressed on the back side of brake lining friction piece 3, and the shape of brake lining friction piece 3 is identical with the shape of brake lining backboard 2, and brake lining friction piece 3 is slightly larger than brake lining backboard 2.At the working surface of brake lining friction piece 3, be provided with 5, two limit grooves 5 of two limit grooves and be arranged on brake lining friction piece 3 central shaft both sides, and 4 ° of radially settings of center deflection relatively, limit groove 5 plays the effect of limit of wear and grinding discharge.
In above-described embodiment, as shown in Fig. 4～6, brake lining backboard 1 is arc sole type structure, employing steel material is made, place, intermediate position is provided with rectangular hollow structure 11, in the both sides, long limit of hollow structure 11, be respectively arranged with somely for the riveted holes 12 of brake lining dovetail 2 is installed, be positioned at each riveted holes 12 and be in hollow structure 11 long sides and be also provided with the boss 13 that reinforcement is used, the quantity of boss 13 is corresponding setting with riveted holes 12.Be positioned at dovetail two ends and the center top thereof of brake lining backboard 1, be also respectively arranged with some attachment holes 14, by each attachment hole 14, brake lining backboard 1 is further installed on brake lining friction piece 3, strengthened the join strength between brake lining backboard 1 and brake lining friction piece 3.
In the various embodiments described above, as shown in Figure 7, Figure 8, in order to increase the join strength between brake lining friction piece 3 and brake lining dovetail 2, at brake lining dovetail 2 middle parts, be provided with some attachment holes 21.On brake lining dovetail 2, be positioned at the both sides of all attachment holes 21, be respectively arranged with some riveted holes 12, rivet 4 is installed in brake lining dovetail 2 on brake lining backboard 1 by each riveted holes 12.
Below by several specific embodiments, brake lining dovetail 2 of the present utility model and brake lining backboard 1 are described further.
Embodiment 1: in the present embodiment, brake lining dovetail 2 adopts " ω " type structure (as shown in Figure 8), adopts sheet metal die mould to form, and brake lining dovetail 2 both sides are installed on brake lining backboard 1 by rivet 4 and riveted holes 12.
Embodiment 2: as shown in Fig. 9～Figure 15, in this enforcement, the bucking ladder structure that brake lining dovetail 2 adopts sheet metal die mould to form, is positioned at trapezoidal director's base side and is provided with groove 22, on groove 22, be provided with some attachment holes 21, groove 22 can effectively be avoided brake lining dovetail 2 Leading Edge Deformations; Be positioned at bucking ladder short brink and be provided with two fillets 23, on fillet 23, be provided with some riveted holes 12.The arc sole type structure that brake lining backboard 1 still adopts steel material to be made, brake lining backboard 1 middle part is provided with groove 16(as shown in Figure 14, Figure 15), at the middle part of groove 16, be provided with rectangular hollow structure 11.In the long limit of hollow structure 11 bilateral symmetry, be provided with the riveted holes 12 that brake lining dovetail 2 is installed, at hollow structure 11 short brinks, also have additional the cantilever bar 15(that is connected with brake lining dovetail 2 upper grooves 22 as shown in figure 11).
Embodiment 3: as shown in Figure 16～Figure 22, in the present embodiment, and the arc sole type structure that brake lining backboard 1 still adopts sheet metal die mould to form, brake lining backboard 1 middle part is provided with groove 16, is provided with rectangular hollow structure 11 at the middle part of groove 16.In the long limit of hollow structure 11 bilateral symmetry, be provided with the riveted holes 12 that brake lining dovetail 2 is installed, at the minor face of hollow structure 11, be also provided with the cantilever bar 15 being connected with brake lining dovetail 2.The bucking ladder structure that brake lining dovetail 2 adopts sheet metal die mould to form is provided with some attachment holes 21 in trapezoidal director's base side, to increase the join strength between brake lining friction piece 3 and brake lining dovetail 2; Be positioned at bucking ladder short brink and be provided with two fillets 23, on fillet 23, be provided with some and brake lining backboard 1 and rivet the riveted holes 12 of use.
Embodiment 4: as shown in Figure 23～Figure 27, in the present embodiment, the structure of brake lining backboard 1, brake lining dovetail 2 is identical with the structure that in embodiment 3, brake lining backboard 1, brake lining dovetail 2 adopt, different is to be also provided with cantilever bar 24 at brake lining dovetail 2 two ends, can adopt riveted joint or welding to be fixed and be connected between the cantilever bar 15 in this cantilever bar 24 and brake lining backboard 1.At brake lining backboard 1 hollow structure 11 two ends, be also provided with boss 17, for being fixedly connected with the cantilever bar 24 at brake lining dovetail 2 two ends.
In sum, when mounted, its step is as follows for the utility model:
1) with some rivets 4, brake lining dovetail 2 and brake lining backboard 1 are riveted together, in above-described embodiment 2～4 before riveted joint by the cantilever bar 15(24 being separately positioned on brake lining dovetail 2 or brake lining backboard 1) adopt argon arc welding or riveted joint to fit together;
2) by being riveted on brake lining backboard 1 and the brake lining dovetail 2 of one, be compressed to one with brake lining friction piece 3.
3) after installation, along the dovetail groove in brake clamp from below to up, brake lining is inserted in, then by the stepping brake sheet devices that is arranged on clamp below, brake lining is fixed in clamp, by master cylinder, promoting clamp is afterwards that brake disc clamps to realize with brake lining and brakes.When after brake lining abrasion, the structure adopting due to the utility model has solved dovetail Leading Edge Deformation, is convenient to dismounting in practical application.
The various embodiments described above are only for illustrating the utility model; wherein the structure of each parts, Placement etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (6)
1. a dovetail structure brake pad, is characterized in that: it comprises and is installed with all-in-one-piece brake lining backboard, brake lining dovetail and brake lining friction piece; In described brake lining backboard neutral position, place is installed with described brake lining dovetail by rivet; Described brake lining backboard is pressed on the back side of described brake lining friction piece, at the working surface of described brake lining friction piece, is provided with two limit grooves, and described two limit grooves are arranged on described brake lining friction piece central shaft both sides, and 4 ° of radially settings of center deflection relatively;
Place, described brake lining backboard neutral position is provided with rectangular hollow structure, in the both sides, long limit of described hollow structure, be respectively arranged with somely for the riveted holes of described brake lining dovetail is installed, be positioned at each described riveted holes and be in described hollow structure long side and be also provided with boss; The dovetail two ends and the center top thereof that are positioned at described brake lining backboard, be also respectively arranged with some attachment holes; Described brake lining dovetail middle part is provided with some attachment holes; On described brake lining dovetail, be positioned at the both sides of all described attachment holes, be respectively arranged with some riveted holes.
2. dovetail structure brake pad as claimed in claim 1, is characterized in that: described brake lining backboard is arc sole type structure, adopts steel material to make.
3. dovetail structure brake pad as claimed in claim 1 or 2, is characterized in that: described brake lining dovetail adopts ω type structure, adopts sheet metal die mould to form.
4. dovetail structure brake pad as claimed in claim 1 or 2, it is characterized in that: the bucking ladder structure that described brake lining dovetail adopts sheet metal die mould to form, be positioned at trapezoidal director's base side and be provided with groove, on described groove, be provided with some described attachment holes, be positioned at bucking ladder short brink and be provided with two fillets, on described fillet, be provided with some described riveted holes; Described brake lining backboard middle part is provided with groove, at the middle part of described groove, is provided with described hollow structure; The long limit bilateral symmetry of described hollow structure is provided with the riveted holes that described brake lining dovetail is installed, and also has additional the cantilever bar being connected with described brake lining dovetail upper groove at described hollow structure short brink.
5. dovetail structure brake pad as claimed in claim 1 or 2, is characterized in that: described brake lining backboard middle part is provided with groove, at the middle part of described groove, is provided with described hollow structure; In the long limit of described hollow structure bilateral symmetry, be provided with the riveted holes that described brake lining dovetail is installed, at the minor face of described hollow structure, be also provided with the cantilever bar being connected with described brake lining dovetail; The bucking ladder structure that described brake lining dovetail adopts sheet metal die mould to form is provided with some described attachment holes in trapezoidal director's base side; Be positioned at bucking ladder short brink and be provided with two fillets, on described fillet, be provided with some described riveted holes.
6. dovetail structure brake pad as claimed in claim 5, is characterized in that: described brake lining dovetail two ends are provided with cantilever bar, between the cantilever bar in the cantilever bar on described brake lining dovetail and described brake lining backboard, is fixedly connected with; Described brake lining backboard hollow structure two ends are provided with boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623795.2U CN203548649U (en) | 2013-10-10 | 2013-10-10 | Brake pad of dovetail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623795.2U CN203548649U (en) | 2013-10-10 | 2013-10-10 | Brake pad of dovetail structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548649U true CN203548649U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623795.2U Expired - Lifetime CN203548649U (en) | 2013-10-10 | 2013-10-10 | Brake pad of dovetail structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486162A (en) * | 2013-10-10 | 2014-01-01 | 北京浦然轨道交通科技有限公司 | Dovetail structure braking pad |
| CN107906147A (en) * | 2017-09-22 | 2018-04-13 | 天宜上佳（天津）新材料有限公司 | A kind of brake pad and its production technology |
-
2013
- 2013-10-10 CN CN201320623795.2U patent/CN203548649U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486162A (en) * | 2013-10-10 | 2014-01-01 | 北京浦然轨道交通科技有限公司 | Dovetail structure braking pad |
| CN107906147A (en) * | 2017-09-22 | 2018-04-13 | 天宜上佳（天津）新材料有限公司 | A kind of brake pad and its production technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170221 Address after: 102299 Changping District science and Technology Park, Beijing Road No. 6, building No. 4, floor 1294, No. 37 Patentee after: BEIJING PURAN RAILWAY TRANSPORATION SCIENCE & TECHNOLOGY CO.,LTD. Patentee after: SHANDONG HEZE DETONG NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: 102211 Beijing city of Changping District Bai Shan Zhen Meng Lizu Village West Patentee before: BEIJING PURAN RAILWAY TRANSPORATION SCIENCE & TECHNOLOGY CO.,LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Dovetail structure braking pad Effective date of registration: 20180730 Granted publication date: 20140416 Pledgee: Heze rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG HEZE DETONG NEW MATERIAL TECHNOLOGY CO.,LTD.|BEIJING PURAN RAILWAY TRANSPORATION SCIENCE & TECHNOLOGY CO.,LTD.|Huang Qizhen Registration number: 2018990000623 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191219 Granted publication date: 20140416 Pledgee: Heze rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG HEZE DETONG NEW MATERIAL TECHNOLOGY CO.,LTD.|BEIJING PURAN RAILWAY TRANSPORATION SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2018990000623 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
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 Changping District science and Technology Park, Beijing Road No. 6, building No. 4, floor 1294, No. 37 Co-patentee before: SHANDONG HEZE DETONG NEW MATERIAL TECHNOLOGY Co.,Ltd. Patentee before: BEIJING PURAN RAILWAY TRANSPORATION SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |