CN203365152U - Performance testing device for self-energizing drum brake of automobile - Google Patents
Performance testing device for self-energizing drum brake of automobile Download PDFInfo
- Publication number
- CN203365152U CN203365152U CN 201320494090 CN201320494090U CN203365152U CN 203365152 U CN203365152 U CN 203365152U CN 201320494090 CN201320494090 CN 201320494090 CN 201320494090 U CN201320494090 U CN 201320494090U CN 203365152 U CN203365152 U CN 203365152U
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- brake
- testing device
- performance testing
- motor
- wheel hub
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Abstract
The utility model discloses a performance testing device for a self-energizing drum brake of an automobile. The performance testing device comprises a machine frame which is provided with a motor and a support. The support is provided with a brake and a wheel hub. The motor is connected with the wheel hub through a half axle. Compared with the prior art, the performance testing device is capable of testing comprehensive brake performances of different types of brake related products matching with different vehicle models. The motor is utilized as a power source in the performance testing device. Through matching the motor power and rotation speed with real-vehicle parameters such as automobile driving form, engine power, main reducer speed ratio and the like, a real vehicle braking condition can be completely simulated, so that operating requirements are met and the noise and discharging problems caused by utilizing an internal combustion engine as the power source are prevented; besides, under the premise that the brake working condition and the real vehicle are guaranteed to be consistent, compared with the real vehicle braking process, assemblies such as the internal combustion engine, a transmission shaft, a main reducer, a differential and the like are omitted in the performance testing device, so that the structure is compact.
Description
Technical field
The utility model relates to a kind of automobile self energizing effort drum brake experimental apparatus for capability.
Background technology
Brake drum, brake-shoe and friction disc thereof are the significant components of drum brake, different with loading characteristic according to the brake-shoe structure, drum brake can be divided into neck from shoe type, unidirectional double-collar and shoe type, two-way double-collar and shoe type, two dissimilar from shoe type, unidirectional self-boosting type and two-way self-boosting type etc.Produce house as brake drum, brake-shoe professional production, the product category of production is different different because of the coupling vehicle, often can't will after product loading, be tested one by one.
For this reason, urgent need can be tested variety classes detent Related product, as the matching performance with different automobile types such as brake drum and brake-shoe, just needs a kind of proving installation to complete this work.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of automobile self-boosting type drum brake performance testing device, the synthetical restraint performance during with test variety classes detent Related product and different automobile types coupling.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of automobile self-boosting type drum brake performance testing device, comprise frame, and frame is provided with motor and support, detent and wheel hub are installed on support, and motor is connected with wheel hub by semiaxis.
This proving installation also comprises multi-speed transmission, and the input shaft of multi-speed transmission is connected with described motor, and output shaft is connected with described semiaxis.
Described motor is the Y-series threephase asynchronous.
Described support comprises the hollow taper housing that horizontally disposed and described semiaxis is coaxial, the hollow taper housing is enclosed within the semiaxis outside, described detent and wheel hub are arranged on the outside of hollow taper housing, and the end flange of semiaxis is stretched out outside the hollow taper housing and is fixedly connected with wheel hub.
Described wheel hub is arranged on described hollow taper housing by bearing, described detent comprises back-plate, brake drum, supporting pin, actuates wheel cylinder, two brake-shoes, be located at two shoe brakes on brake-shoe and the push rod that is connected two brake-shoes, back-plate is enclosed within on the hollow taper housing, supporting pin and actuate wheel cylinder and be fixed on back-plate, brake drum is fixedly connected with wheel hub.
The outer end of described hollow taper housing is provided with the set nut to described brake drum axial location.
Described frame comprises the base platen, and the base platen is provided with motor pedestal for described motor is installed and for the variator pedestal of described multi-speed transmission is installed.
Described hollow taper housing is arranged on described base platen by vertical web joint.
The utility model adopts technique scheme, compared with prior art, synthetical restraint performance when this proving installation can be tested variety classes detent Related product and different automobile types coupling, this proving installation adopts motor as power source, by motor power (output), rotating speed and real vehicle parameter can be simulated to the real vehicle damped condition fully as couplings such as Automobile drive form, engine capacity, speed ratio of main reducers, both reached request for utilization, noise and emission problem in the time of can avoiding again usining internal combustion engine as power source; And under the prerequisite that the detent operating mode is consistent with real vehicle, with the real vehicle braking procedure, compare guaranteeing, this proving installation has omitted the assemblies such as internal combustion engine, transmission shaft, main reducing gear and differential mechanism, makes greatly compactness of structure.
The accompanying drawing explanation
The structural representation that Fig. 1 is proving installation of the present utility model;
Fig. 2 is the scheme of installations of member on back-plate such as brake-shoe and shoe plate.
Mark in above-mentioned figure is: 1A, motor; 1B, motor output shaft; 2, clutch coupling; 3A, transmission input shaft; 3B, multi-speed transmission; 3C, transmission output shaft; 3D, speed-changing lever; 4, shaft coupling; 5A, semiaxis; 5B, flange; 6A, motor pedestal; 6B, variator pedestal; 6C, base platen; 6D, right web joint; 6E, hollow taper housing; 7, back-plate; 8A, brake drum; 8B, wheel hub; 9, inboard bearing; 10, outboard bearing; 11, set nut; 12, screw; 13, the first brake-shoe; 14, front brake lining; 15, push rod; 16, rear brake shoe; 17, the second brake-shoe; 18, supporting pin; 19, actuate wheel cylinder.
Embodiment
Be illustrated in figure 1 a kind of automobile self-boosting type drum brake performance testing device of the present utility model, comprise frame, frame is provided with motor 1A and support, and detent and wheel hub 8B are installed on support, and motor 1A is connected with wheel hub 8B by semiaxis 5A.Motor 1A is as power source, wheel hub 8B is by holder suspension on frame, and in test process, motor 1A drives wheel hub 8B running, detent applies damping force to brake drum 8A, the synthetical restraint performance while testing variety classes detent Related product and different automobile types coupling.
Specifically, this proving installation also comprises multi-speed transmission 3B, transmission input shaft 3A is connected with motor output shaft 1B, and transmission output shaft 3C is fixedly connected with semiaxis 5A by shaft coupling 4, between transmission input shaft 3A and motor output shaft 1B, also is provided with clutch coupling 2.Have speed-changing lever 3D on multi-speed transmission 3B, motor 1A is Y-series threephase asynchronous 1A.
Frame comprises base platen 6C, and base platen 6C is provided with motor pedestal 6A for motor 1A is installed and for the variator pedestal 6B of multi-speed transmission 3B is installed.
Support comprises horizontally disposed hollow taper housing 6E and the vertical right web joint 6D that arrange coaxial with semiaxis 5A, and hollow taper housing 6E is arranged on base platen 6C by right web joint 6D.Hollow taper housing 6E is enclosed within the outside of semiaxis 5A, detent and wheel hub 8B are arranged on the outside of hollow taper housing 6E, the end flange 5B of semiaxis 5A stretches out outside hollow taper housing 6E and is fixedly connected with wheel hub 8B, the rim section of flange 5B has through hole, for screw 12, passes and connects semiaxis 5A and wheel hub 8B.Hollow taper housing 6E is when arranging, and bigger diameter end is towards multi-speed transmission 3B, and miner diameter end is towards the flange 5B of semiaxis 5A.
It is upper that wheel hub 8B is arranged on hollow taper housing 6E by bearing, and bearing has two, is respectively outboard bearing 10 and inboard bearing 9, and the inside and outside both sides of wheel hub 8B have counterbore, are respectively used to install inboard bearing 9 and outboard bearing 10.The outer face rim section of wheel hub 8B has threaded hole, for mounting screw 12.
The self-boosting type drum brake that detent is prior art, as depicted in figs. 1 and 2, detent comprises brake drum 8A, supporting pin 18 that the back-plate 7 of thin disc-shape, the inner cylinder face of take are working surface, actuates wheel cylinder 19, the first brake-shoe 13, the second brake-shoe 17, is located at front brake lining 14 on the first brake-shoe 13, is located at rear brake shoe 16 and the push rod 15 that is connected two brake-shoes on the second brake-shoe 17.Brake drum 8A is fixedly connected with wheel hub 8B, back-plate 7 is enclosed within hollow taper housing 6E and goes up and fix, supporting pin 18 and actuate wheel cylinder 19 and be fixed on back-plate 7, one end of push rod 15 and the lower end of the first brake-shoe 13 are hinged, the lower end of the other end and the second brake-shoe 17 is hinged, the upper end of the first brake-shoe 13 is hinged with the piston rod of actuating wheel cylinder 19, hinged between the upper end of the second brake-shoe 17 and fulcrum post, front brake lining 14 and rear brake shoe 16 are full of the space between back-plate 7 and brake drum 8A, but the inside surface of two brake-shoe outside surfaces and brake drum 8A must retain brake clearance.The miner diameter end of hollow taper housing 6E is provided with external thread, at the screw thread place of miner diameter end, is equipped with for brake drum 8A being carried out to the set nut 11 of axial location.
For making this proving installation distortional energy reach the maximal value of ground braking torque, rotating speed etc. reach maximum wheel speed, the power of motor 1A and rotating speed must with the real vehicle parameter matching.Motor 1A selects the Y-series threephase asynchronous, and its rotating speed and power and real vehicle parameter meet following relation:
n
e/i
final=n
d； （1）
Wherein, i
finalit is speed ratio of main reducer; n
eit is engine speed; n
dit is motor speed.
The power selection of motor 1A is determined by following principle: while simulating 4 * 2 type Braking its power be engine capacity half; Its power is engine capacity during 4 * 4 type Braking 1/4th in simulation; Multi-speed transmission 3B is identical with real vehicle.
The above is exemplarily described the utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (8)
1. an automobile self-boosting type drum brake performance testing device, it is characterized in that: comprise frame, frame is provided with motor and support, and detent and wheel hub are installed on support, and motor is connected with wheel hub by semiaxis.
2. automobile self-boosting type drum brake performance testing device according to claim 1, it is characterized in that: also comprise multi-speed transmission, the input shaft of multi-speed transmission is connected with described motor, and output shaft is connected with described semiaxis.
3. automobile self-boosting type drum brake performance testing device according to claim 1 and 2, it is characterized in that: described motor is the Y-series threephase asynchronous.
4. automobile self-boosting type drum brake performance testing device according to claim 3, it is characterized in that: described support comprises the hollow taper housing that horizontally disposed and described semiaxis is coaxial, the hollow taper housing is enclosed within the semiaxis outside, described detent and wheel hub are arranged on the outside of hollow taper housing, and the end flange of semiaxis is stretched out outside the hollow taper housing and is fixedly connected with wheel hub.
5. automobile self-boosting type drum brake performance testing device according to claim 4, it is characterized in that: described wheel hub is arranged on described hollow taper housing by bearing, described detent comprises back-plate, brake drum, supporting pin, actuates wheel cylinder, two brake-shoes, be located at two shoe brakes on brake-shoe and the push rod that is connected two brake-shoes, back-plate is enclosed within on the hollow taper housing, supporting pin and actuate wheel cylinder and be fixed on back-plate, brake drum is fixedly connected with wheel hub.
6. automobile self-boosting type drum brake performance testing device according to claim 5, it is characterized in that: the outer end of described hollow taper housing is provided with the set nut to described brake drum axial location.
7. automobile self-boosting type drum brake performance testing device according to claim 6, it is characterized in that: described frame comprises the base platen, and the base platen is provided with motor pedestal for described motor is installed and for the variator pedestal of described multi-speed transmission is installed.
8. automobile self-boosting type drum brake performance testing device according to claim 7, it is characterized in that: described hollow taper housing is arranged on described base platen by vertical web joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320494090 CN203365152U (en) | 2013-08-13 | 2013-08-13 | Performance testing device for self-energizing drum brake of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320494090 CN203365152U (en) | 2013-08-13 | 2013-08-13 | Performance testing device for self-energizing drum brake of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365152U true CN203365152U (en) | 2013-12-25 |
Family
ID=49812898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320494090 Expired - Fee Related CN203365152U (en) | 2013-08-13 | 2013-08-13 | Performance testing device for self-energizing drum brake of automobile |
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| Country | Link |
|---|---|
| CN (1) | CN203365152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299096A (en) * | 2015-12-05 | 2016-02-03 | 重庆元创汽车整线集成有限公司 | Self-boosting drum type brake |
| CN107884184A (en) * | 2017-11-09 | 2018-04-06 | 哈尔滨东安汽车发动机制造有限公司 | A kind of automatic transmission bands experimental provision |
-
2013
- 2013-08-13 CN CN 201320494090 patent/CN203365152U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299096A (en) * | 2015-12-05 | 2016-02-03 | 重庆元创汽车整线集成有限公司 | Self-boosting drum type brake |
| CN107884184A (en) * | 2017-11-09 | 2018-04-06 | 哈尔滨东安汽车发动机制造有限公司 | A kind of automatic transmission bands experimental provision |
| CN107884184B (en) * | 2017-11-09 | 2019-06-07 | 哈尔滨东安汽车发动机制造有限公司 | A kind of automatic transmission bands experimental provision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20140813 |
|
| EXPY | Termination of patent right or utility model |