CN205027526U - Brake block shear strength testing machine - Google Patents
Brake block shear strength testing machine Download PDFInfo
- Publication number
- CN205027526U CN205027526U CN201520807605.1U CN201520807605U CN205027526U CN 205027526 U CN205027526 U CN 205027526U CN 201520807605 U CN201520807605 U CN 201520807605U CN 205027526 U CN205027526 U CN 205027526U
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- China
- Prior art keywords
- frame
- brake block
- guide pillar
- testing machine
- fixed
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- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a brake block shear strength testing machine, which comprises a frame, the frame is bilayer structure, and attending of frame is connected through the guide pillar between the lower floor, is fixed with servo motor in the lower floor of frame, and servo motor's output shaft has the screw rod through the coupling joint, is connected with complex lower slide seat with it on the screw rod, and lower slide seat's upper end is connected with the upper saddle through pressure sensor, lower slide seat and upper saddle homoenergetic are followed the guide pillar and are reciprocated, are equipped with the scissors head on the upper saddle, the brake block of fixing on the frame upper strata can be cuted to the scissors head. The utility model discloses a security performance for detecting adhesive strength between facing and the steel backing among the automobile brake shoe for producer provides group of group, improves manufacturing process, improves the stopper.
Description
Technical field
The utility model brake block performance test field, is specifically related to a kind of brake block shear intensity testing machine.
Background technology
Brake system is one of most important system of automobile, is for making the car deceleration of running at high speed or parking and designing.If this system cisco unity malfunction, the driver on car and passenger will be subject to the injury of traffic accident, and its safety of life and property can not get effective guarantee.
Detent is divided into drum brake and disc brake, and drum brake is the automotive brake of earliest form.Because the radiating effect of disc brake is better, improving constantly in recent years along with the speed of a motor vehicle, adopt the automobile of disc brake increasing, especially intermediate car, generally all have employed disc brake.
Disc brake main parts size has brake disc, wheel cylinder, caliper, oil pipe etc.Alloy steel for braking discs manufacture is also fixed on wheel, with vehicle wheel rotation.The base plate that wheel cylinder is fixed on detent maintains static.Two brake blocks on caliper are contained in the both sides of brake disc respectively.The hydraulic action that the piston of wheel cylinder transports by oil pipe, promote brake block and press to brake disc generation friction catch, it just looks like the plate vised with pliers in rotation that action is got up, and forces it to stop the same.
When the high temperature of brake block more than 300 degree, the shear resistance of liner and steel backing is very low, and the cohesive strength of liner and steel backing is a very important index.When in vehicle travel process once there is flake phenomenon, brake system non-functional will be caused, cause serious consequence.How to detect the shear resistance of brake block, improve its shear resistance just seem particularly important to improve brake flat manufacturing technique.
Utility model content
The purpose of this utility model is to provide a kind of brake block shear intensity testing machine, to overcome the defect that above-mentioned prior art exists, the utility model to be used for detecting in automobile brake sheet bonding strength between liner and steel backing, for production firm provides side group, improve manufacturing process, improve the security performance of detent.
For achieving the above object, the utility model adopts following technical scheme:
A kind of brake block shear intensity testing machine, comprise frame, described frame is double-decker, connected by guide pillar between the levels of frame, the lower floor of frame is fixed with servomotor, the output shaft of servomotor is connected with screw rod by shaft coupling, screw rod is connected with the lower slider coordinated with it, the upper end of lower slider is connected with upper saddle by pressure transducer, described lower slider and upper saddle all can move up and down along guide pillar, upper saddle is provided with scissors bit, and described scissors bit can shear the brake block being fixed on frame upper strata.
Further, some adjustment cushion blocks for adjusting level are provided with bottom frame.
Further, lower slider is connected with guide pillar by the first linear bearing; Upper saddle is connected with guide pillar by the second linear bearing.
Further, be provided with inside the upper strata of frame and can accelerate according to the position control servomotor of upper saddle and slow down and the combined switch of main story and reversion.
Further, guide pillar has two, and guide pillar is fixed between the levels of frame by the nut being arranged on two ends.
Further, the top of the upper layer of frame is fixed with fixture, and the both sides of fixture are fixed with pressing plate by screw, and brake block is fixed on fixture by pressing plate.
Compared with prior art, the utility model has following useful technique effect:
The utility model in use, servomotor drives lower slider to move along on guide pillar by screw rod, pressure transducer heads on upper saddle and moves up together along guide pillar, the scissors bit that upper saddle upper end is fixed withstands the liner on brake block, now servomotor continues to load, until cut off the liner on brake block, the moment of cutting off, the data of automatic record pressure transducer, the shear resistance of brake block can be obtained, the utility model to be used for detecting in automobile brake sheet bonding strength between liner and steel backing, for production firm provides side group, improve manufacturing process, improve the security performance of detent.
Further, equipment can be adjusted level by adjustment cushion block quickly and easily that arrange bottom frame.
Further, by arranging the first linear bearing and the second linear bearing makes lower slider and upper saddle all move linearly up and down along guide pillar, ensure shear direction.
Further, be provided with inside the upper strata of frame and can accelerate according to the position control servomotor of upper saddle and slow down and the combined switch of main story and reversion, when upper saddle arrives I position on combined switch, servomotor becomes feeding at a slow speed from fast feed, until scissors bit withstands the liner on brake block.Now servomotor continues to load, until cut off the liner on brake block, behind II position that upper saddle arrives on combined switch, servomotor reverses, and drives scissors bit to return initial position, simple to operate.
Accompanying drawing explanation
Fig. 1 is one-piece construction figure of the present utility model;
Fig. 2 is combined switch position partial enlarged drawing;
Fig. 3 is brake block mounting structure figure;
Fig. 4 is the partial enlarged drawing that Fig. 3 sees from left to right.
Wherein, 1, frame; 2, servomotor; 3, shaft coupling; 4, lower slider; 5, combined switch; 6, guide pillar; 7, nut; 8, scissors bit; 9, brake block; 10, upper saddle; 11, the second linear bearing; 12, pressure transducer; 13, the first linear bearing; 14, screw rod; 15, cushion block is adjusted; 16, screw; 17, pressing plate; 18, fixture.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
See Fig. 1 to Fig. 4, a kind of brake block shear intensity testing machine, comprise frame 1, some adjustment cushion blocks 15 for adjusting level are provided with bottom frame 1, described frame 1 is double-decker, connected by two guide pillars 6 between the levels of frame 1, guide pillar 6 is fixed between the levels of frame 1 by the nut 7 being arranged on two ends, the lower floor of frame 1 is fixed with servomotor 2, the output shaft of servomotor 2 is connected with screw rod 14 by shaft coupling 3, screw rod 14 is connected with the lower slider 4 coordinated with it, the upper end of lower slider 4 is connected with upper saddle 10 by pressure transducer 12, lower slider 4 is connected with guide pillar by the first linear bearing 13, upper saddle 10 is connected with guide pillar by the second linear bearing 11, described lower slider 4 and upper saddle 10 all can move up and down along guide pillar 6, upper saddle 10 is provided with scissors bit 8, described scissors bit 8 can shear the brake block 9 being fixed on frame upper strata, the top of the upper layer of frame 1 is fixed with fixture 18, the both sides of fixture 18 are fixed with pressing plate 17 by screw 16, brake block 9 is fixed on fixture 18 by pressing plate 17, is provided with and can accelerates according to the position control servomotor 2 of upper saddle 10 and slow down and the combined switch 5 of main story and reversion inside the upper strata of frame 1.
Below operating process of the present utility model is described in detail:
The utility model comprises frame 1 and is arranged on the adjustment cushion block 15 bottom frame 1, and servomotor 2 is fixed on frame 1 inner lower, and drives screw rod 14 to rotate by shaft coupling 3.Be processed with through hole internal thread in lower slider 4, can screw with screw rod 14.Guide pillar 6 is fixed in frame 1 by nut 7, and lower slider 4 both sides endoporus is equipped with the first linear bearing 13, can move up and down along guide pillar 6, and lower slider 4 upper end is provided with pressure transducer 12.When servomotor 2 works, move lower slider 4 by screw rod 14 and lower slider 4 internal thread rotation crossed belt to move along on guide pillar 6, head on upper saddle 10 by pressure transducer 12 to move up together along guide pillar 6, the second linear bearing 11 is also installed between upper saddle 10 and guide pillar 6.Upper saddle 10 upper end is fixed with scissors bit 8.Frame 1 top is provided with fixture 18, brake block 9 is fixed on fixture 18 by screw 16 and pressing plate 17, when upper saddle 10 arrives I position on combined switch 5, servomotor 2 becomes feeding at a slow speed from fast feed, until scissors bit 8 withstands the liner on brake block 9.Now servomotor 2 continues to load, until cut off the liner on brake block 9, arrive II position on combined switch 5 until upper saddle 10 after, servomotor 2 reverses, drive scissors bit 8 to return initial position, the position of combined switch 5 can adjust according to the difference of brake block sample.
When shearing, brake block 9 is fixed on fixture 18 by pressing plate 17 and screw 16, and brake block 9 backplane card on the step of fixture 18, and ensures higher than bench height.The radian of scissors bit 8 front end should be identical with radian outside brake block 9 liner, and keep the distance with brake block 9 backboard 1mm.The moment of cutting off, computing machine records the data of pressure transducer 12 automatically.
If need the shear resistance measuring drum-type brake pad, corresponding scissors bit changed by a needs and fixture is just passable.If desired on brake block liner, apply certain normal pressure, a cylinder and auxiliary component can be increased on basis of the present utility model.
Claims (6)
1. a brake block shear intensity testing machine, it is characterized in that, comprise frame (1), described frame (1) is double-decker, connected by guide pillar (6) between the levels of frame (1), the lower floor of frame (1) is fixed with servomotor (2), the output shaft of servomotor (2) is connected with screw rod (14) by shaft coupling (3), screw rod (14) is connected with the lower slider (4) coordinated with it, the upper end of lower slider (4) is connected with upper saddle (10) by pressure transducer (12), described lower slider (4) and upper saddle (10) all can move up and down along guide pillar (6), upper saddle (10) is provided with scissors bit (8), described scissors bit (8) can shear the brake block (9) being fixed on frame upper strata.
2. a kind of brake block shear intensity testing machine according to claim 1, is characterized in that, frame (1) bottom is provided with some adjustment cushion blocks (15) for adjusting level.
3. a kind of brake block shear intensity testing machine according to claim 1, is characterized in that, lower slider (4) is connected with guide pillar by the first linear bearing (13); Upper saddle (10) is connected with guide pillar by the second linear bearing (11).
4. a kind of brake block shear intensity testing machine according to claim 1, it is characterized in that, be provided with inside the upper strata of frame (1) and can accelerate according to the position control servomotor (2) of upper saddle (10) and slow down and the combined switch (5) of main story and reversion.
5. a kind of brake block shear intensity testing machine according to claim 1, it is characterized in that, guide pillar (6) has two, and guide pillar (6) is fixed between the levels of frame (1) by the nut (7) being arranged on two ends.
6. a kind of brake block shear intensity testing machine according to claim 1, it is characterized in that, the top of the upper layer of frame (1) is fixed with fixture (18), the both sides of fixture (18) are fixed with pressing plate (17) by screw (16), and brake block (9) is fixed on fixture (18) by pressing plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807605.1U CN205027526U (en) | 2015-10-16 | 2015-10-16 | Brake block shear strength testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807605.1U CN205027526U (en) | 2015-10-16 | 2015-10-16 | Brake block shear strength testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205027526U true CN205027526U (en) | 2016-02-10 |
Family
ID=55260049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520807605.1U Expired - Fee Related CN205027526U (en) | 2015-10-16 | 2015-10-16 | Brake block shear strength testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205027526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521020A (en) * | 2017-08-24 | 2017-12-29 | 宁波天伟汽车部件有限公司 | A kind of manufacture of automobile brake sheet and test technology |
-
2015
- 2015-10-16 CN CN201520807605.1U patent/CN205027526U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521020A (en) * | 2017-08-24 | 2017-12-29 | 宁波天伟汽车部件有限公司 | A kind of manufacture of automobile brake sheet and test technology |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20161016 |