CN201043582Y - Brake-shoe assembly - Google Patents
Brake-shoe assembly Download PDFInfo
- Publication number
- CN201043582Y CN201043582Y CNU2007200789520U CN200720078952U CN201043582Y CN 201043582 Y CN201043582 Y CN 201043582Y CN U2007200789520 U CNU2007200789520 U CN U2007200789520U CN 200720078952 U CN200720078952 U CN 200720078952U CN 201043582 Y CN201043582 Y CN 201043582Y
- Authority
- CN
- China
- Prior art keywords
- mutton
- pork
- beef
- tendons
- roller
- Prior art date
- 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 - Fee Related
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Abstract
The utility model discloses a brake shoe assembly, which comprises a roller (1), a tendon (2), a lining plate (3) and a friction lining plate (4), wherein, the lining plate (3) is welded on the tendon (2), and the contact surfaces of the tendon (2) and the roller (1) are respectively provided with semi-circle surfaces, which form the surfaces of cylindrical holes, on which a bearing shaft (5) is mounted. The friction lining plate of the utility model is welded on the tendon, so, compared with the traditional brake shoe as a casting part, the fabrication cost is reduced. Because the contact surfaces of the tendon and the roller are respectively provided with the semi-circle surfaces as braking thrust surfaces, the transmission efficiency of braking thrust is high, and braking release is quick and thorough. Because the middle of the friction lining plate is thick and both ends of the friction lining plate are thin, the friction material can be effectively utilized.
Description
Technical field
The utility model relates to brake system of car, relates in particular to the brake shoe assembly in the automobile drum gas braking device.
Background technique
The brake shoe of traditional drum-type gas braking device is a cast member, its retrothrust face is a plane structure, and the rest pin axial plane is the cylindrical hole face, and there is following shortcoming in traditional braking hoof assembly: because of the retrothrust face is the plane, there is sluggishness in the braking return, even the appearance braking can not be removed phenomenon; Use wearing and tearing because of brake lining and do not wait, can not effectively utilize the friction facing material along friction circle cambered surface thickness; The casting brake shoe is heavier, and manufacture cost is higher.
The model utility content
Retrothrust transmission efficiency height when the purpose of this utility model has provided a kind of braking, braking is removed rapidly, effectively uses the friction facing material, compact structure, the brake shoe assembly of low cost of manufacture.
In order to achieve the above object, the utility model adopts following technological scheme: a kind of brake shoe assembly, comprise roller, the tendons of beef, mutton or pork, liner plate, friction facing, liner plate is welded on the tendons of beef, mutton or pork, the surface of contact of the tendons of beef, mutton or pork and roller is respectively arranged with the semicircle cambered surface, and the semicircle cambered surface of the tendons of beef, mutton or pork and roller constitutes cylindrical hole face mounting support axle.
Described friction facing adopts thick middle, two ends thin structure.
The described tendons of beef, mutton or pork are provided with two return spring hook holes.
Friction facing in the utility model is welded on the tendons of beef, mutton or pork, and traditional relatively brake shoe is a cast member, and manufacture cost reduces; The surface of contact of the tendons of beef, mutton or pork and roller is respectively arranged with the semicircle cambered surface, retrothrust transmission efficiency height, and braking is removed rapidly thoroughly; Friction facing adopts thick middle, two ends thin structure, can effectively utilize friction material.
Description of drawings
Fig. 1 is a plan view of the present utility model;
Fig. 2 is the worm's eye view of Fig. 1.
Embodiment
The structure of a kind of brake shoe assembly of the utility model as shown in Figure 1 and Figure 2.A kind of brake shoe assembly, mainly constitute by roller 1, the tendons of beef, mutton or pork 2, liner plate 3, friction facing 4, wherein friction facing 4 is riveted on the liner plate 3 of brake shoe, liner plate 3 is welded on the tendons of beef, mutton or pork 2, it (is to be respectively arranged with the semicircle cambered surface on the lower end surface of the tendons of beef, mutton or pork 2 and on the upper-end surface of roller 1 that the surface of contact of the tendons of beef, mutton or pork 2 and roller 1 is respectively arranged with the semicircle cambered surface, the semicircle cambered surface of the tendons of beef, mutton or pork 2 and roller 1 constitutes cylindrical hole face mounting support axle 5 (being that supporting axle 5 is installed in the cylindrical hole that the semicircle cambered surface of the tendons of beef, mutton or pork 2 and roller 1 constitutes), and roller 1 is installed on the tendons of beef, mutton or pork 2 of brake shoe.Friction facing 4 adopts thick middle, two ends thin structure, the design of staggering of the center of circle of the inside and outside circular arc of friction facing 4, and thickness does not wait, and can effectively utilize friction material.The tendons of beef, mutton or pork 2 are provided with two return spring hook hole a of 2 Φ 10mm, and this hole is used to install the return spring carrier arm, and thickness is 8mm.Roller 1 diameter in the model utility is Φ 40mm, and supporting axle 5 diameters at its two ends are Φ 20mm, and structure shape is through FEM mechanics analysis and optimal design.
Claims (3)
1. brake shoe assembly, comprise roller (1), the tendons of beef, mutton or pork (2), liner plate (3), friction facing (4), it is characterized in that: liner plate (3) is welded on the tendons of beef, mutton or pork (2), the surface of contact of the tendons of beef, mutton or pork (2) and roller (1) is respectively arranged with the semicircle cambered surface, and the semicircle cambered surface of the tendons of beef, mutton or pork (2) and roller (1) constitutes cylindrical hole face mounting support axle (5).
2. brake shoe assembly according to claim 1 is characterized in that: friction facing (4) adopts thick middle, two ends thin structure.
3. brake shoe assembly according to claim 1 is characterized in that: the tendons of beef, mutton or pork (2) are provided with two return spring hook holes (a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200789520U CN201043582Y (en) | 2007-04-02 | 2007-04-02 | Brake-shoe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200789520U CN201043582Y (en) | 2007-04-02 | 2007-04-02 | Brake-shoe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201043582Y true CN201043582Y (en) | 2008-04-02 |
Family
ID=39258476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200789520U Expired - Fee Related CN201043582Y (en) | 2007-04-02 | 2007-04-02 | Brake-shoe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201043582Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438786A (en) * | 2016-11-30 | 2017-02-22 | 北京天宜上佳新材料股份有限公司 | Drum brake lining and drum brake |
| CN107521489A (en) * | 2016-06-21 | 2017-12-29 | 香宾 | A kind of road accessory system automobile for improving driving safety |
| CN108425970A (en) * | 2018-03-22 | 2018-08-21 | 江苏三志制动器有限公司 | A kind of reinforced hot investment casting single shaft pin brake assembly |
-
2007
- 2007-04-02 CN CNU2007200789520U patent/CN201043582Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521489A (en) * | 2016-06-21 | 2017-12-29 | 香宾 | A kind of road accessory system automobile for improving driving safety |
| CN106438786A (en) * | 2016-11-30 | 2017-02-22 | 北京天宜上佳新材料股份有限公司 | Drum brake lining and drum brake |
| CN108425970A (en) * | 2018-03-22 | 2018-08-21 | 江苏三志制动器有限公司 | A kind of reinforced hot investment casting single shaft pin brake assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080402 |