CN102288404A - Temperature field and thermal elastic deformation test device for disc brake - Google Patents
Temperature field and thermal elastic deformation test device for disc brake Download PDFInfo
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- CN102288404A CN102288404A CN2011102298882A CN201110229888A CN102288404A CN 102288404 A CN102288404 A CN 102288404A CN 2011102298882 A CN2011102298882 A CN 2011102298882A CN 201110229888 A CN201110229888 A CN 201110229888A CN 102288404 A CN102288404 A CN 102288404A
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- mounting bracket
- disc
- thermopair
- brake
- displacement meter
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Abstract
The invention relates to a temperature field and thermal elastic deformation test device for a disc brake. The test device comprises a test system and a support system, wherein the test system comprises non-contact displacement meters, a non-contact displacement meter mounting bracket, thermocouples and a thermocouple mounting bracket; the non-contact displacement meters are symmetrically distributed at the two sides of a brake disc by means of the non-contact displacement meter mounting bracket and are uniformly distributed along the circumference direction of the brake disc except a position where a brake caliper is arranged, and a space is kept between the non-contact displacement meters and the brake disc; the thermocouples are symmetrically distributed at the two sides of the brake disc by means of the thermocouple mounting bracket and are uniformly distributed along the circumference direction of the brake disc except the position where the brake calliper is arranged, and the thermocouples keep in touch with the brake disc; and the non-contact displacement meter mounting bracket and the thermocouple mounting bracket are arranged on the support system. The test device is low in price, strong in practicability and high in accuracy during test and capable of realizing the aim of rapid testing on the disc brake temperature field and thermal elastic deformation.
Description
Technical field
The invention belongs to a kind of proving installation, be specifically related to a kind of disc brake temperature field and thermoelastic distortion proving installation.
Background technology
Disc brake have rapid heat dissipation, in light weight, simple structure, easy to adjust, brake efficiency stable and advantage such as Heat stability is good and being widely used on the vehicles such as car, lorry and heavy duty truck.Because the interaction of brake disc ventilation slot and the unequal architectural feature of inside and outside wall thickness and various friction and heat, exist complicated coupled relation between disc brake transient temperature, normal stress and the thermoelastic distortion, and the temperature field distribution character of disc brake and the measurement of thermoelastic distortion have significant values to researchs such as brake judder, squeal, brake wear and brake heat instability.At present, the equipment of infrared imaging instrument and so on can be measured the Temperature Distribution of a certain moment brake disc card, but response speed is slower, still can not satisfy the needs of brake disc card temperature distributing measuring in the braking overall process, and the equipment of Doppler's vialog and hot spot vialog and so on can accurately be measured the brake disc vibration characteristics, and then be converted into the card change in displacement, but it costs an arm and a leg, and does not possess the characteristics of widespread use.
Summary of the invention
The purpose of this invention is to provide a kind of disc brake cheap and response test fast temperature field and thermoelastic distortion proving installation, to realize test of braking overall process and quick response test to the surface temperature and the thermoelastic distortion of disc brake.
Technical scheme of the present invention is as follows:
A kind of disc brake temperature field and thermoelastic distortion proving installation, it comprises test macro and support system, described test macro comprises contactless displacement meter, contactless displacement meter mounting bracket, thermopair and thermopair mounting bracket; Described contactless displacement meter is symmetrically distributed in the both sides of brake disc by contactless displacement meter mounting bracket, and is evenly distributing along the brake disc circumferencial direction except that the position that caliper is installed, and keeps spacing with brake disc; Described thermopair is symmetrically distributed in the both sides of brake disc by the thermopair mounting bracket, and is evenly distributing along the brake disc circumferencial direction except that the position that caliper is installed, and keeps in touch with brake disc; Described contactless displacement meter mounting bracket and thermopair mounting bracket are installed on the support system.Adopt above simple sensor and supporting construction to carry out reasonable combination, can realize test of braking overall process and quick response test the surface temperature and the thermoelastic distortion of disc brake.
Further, described device also includes positioning system, and described positioning system comprises location fluted disc and positioning disc, the center pit clearance fit of positioning disc and brake disc, and the location fluted disc is connected by bolt with the positioning disc center pit; Described contactless displacement meter mounting bracket and thermopair mounting bracket cooperate with the tooth of location on the fluted disc respectively and position.This positioning system can be carried out more accurate localization to test macro, improves the accuracy of whole test system.Specifically at the trial, should remove locating device earlier, thereby alleviate proving installation weight and avoid the interference of locating device vibration proving installation.
Further, described contactless displacement meter mounting bracket and thermopair mounting bracket are fork head type, have a plurality ofly, and pitch respectively in the brake disc both sides, and jaw one end is fixed on the support system, and the other end cooperates with tooth on the fluted disc of location and positions.This supporting structure is simple, and is easy for installation.
In addition, two of jaw is symmetrically distributed with mounting hole on interdigital, installs and fixes contactless displacement meter or thermopair, and this mounting means is more firm, and is convenient.
The following mounting structure of concrete employing of thermopair can guarantee the contact of all the other brake disc cards better.The end that thermopair contacts with brake disc passes interdigital mounting hole; be equipped with the thermocouple protection headgear on it; thermocouple protection headgear one side is provided with compression spring; compression spring is pressed thermopair by thermopair mounting bracket cover plate compression and is touched on the brake disc card, described thermopair mounting bracket cover plate be fixed on interdigital on.
The contactless displacement meter is installed in the mounting hole on thermopair mounting bracket interdigital, and by nut lock, this installation form is simple, convenient.
Further, support system is made up of mounting bracket stationary installation and support, and an end of contactless displacement meter mounting bracket and thermopair mounting bracket is installed on the mounting bracket stationary installation, and the mounting bracket stationary installation is connected and fixed again and between the support.Mounting bracket stationary installation and support are separated, make things convenient for the manufacturing separately, and make things convenient for the installation of contactless displacement meter mounting bracket and thermopair mounting bracket.
And, preferably support is fixed on the mounting seat of separating with the detent mounting seat for fear of the vibrations of the stand of detent interference to proving installation.
Have said structure as seen, this proving installation has the following advantages:
1, can realize that the temperature field measures fast: utilize thermopair precision height, the fast characteristic of response speed, with certain radian be distributed in the circumference of brake disc on by the thermopair mounting bracket it, brake disc whenever rotates a circle, and can realize that the brake disc both sides are in the repeatedly measurement of the surface temperature of thermopair mounting bracket installed position; Simultaneously, the caliper both sides distribute also the thermopair mounting bracket, and the thermopair of installing on it can be measured the temperature of brake disc turnover friction area, and this is significant to disc brake heat-machine Coupling Research.
2, can realize that thermoelastic distortion measures fast: utilize contactless displacement meter precision height, the fast characteristic of response speed, with certain radian be distributed in the circumference of brake disc on by contactless displacement meter mounting bracket it, brake disc whenever rotates a circle, and can realize that the brake disc both sides are in the repeatedly measurement of the surface temperature of contactless displacement meter mounting bracket installed position.
3, can realize the accurate location of sensor: adopt simple and reasonable positioning system, guarantee the right alignment unanimity between brake disc, positioning disc and the location fluted disc three.To crossing accurate Calculation to the angle of width, height and the tooth of each tooth on the fluted disc of location and between cog, assurance thermopair mounting bracket and contactless displacement meter mounting bracket radially, the installation accuracy of axial and circumferential.
4, adopt simple and reasonable support system, test macro is carried out firmly reasonably supporting, and the vibrations of stand of avoiding detent have improved the precision of measuring to the interference of proving installation.
Description of drawings
Fig. 1 is the structural representation of this disc brake temperature field and thermoelastic distortion proving installation;
Fig. 2 is a caliper installation site synoptic diagram;
Fig. 3 A is the assembling synoptic diagram between brake disc, location fluted disc and the positioning disc;
Fig. 3 B is the structural representation of brake disc, location fluted disc and positioning disc;
Fig. 4 A is the structural representation of thermopair;
Fig. 4 B is the structural representation of thermopair mounting bracket;
Fig. 5 A is the scheme of installation of thermopair;
Fig. 5 B is the A-A cut-open view of Fig. 5 A;
Fig. 6 A is the structural representation of non-contact displacement meter;
Fig. 6 B is the structural representation of non-contact displacement meter mounting bracket;
Fig. 7 A is the scheme of installation of non-contact displacement meter;
Fig. 7 B is the B-B cut-open view of Fig. 7 A.
Embodiment
As depicted in figs. 1 and 2, this disc brake temperature field and thermoelastic distortion proving installation comprise test macro, support system and positioning system.
In conjunction with referring to Fig. 1 and Fig. 3 A and Fig. 3 B, positioning system comprises location fluted disc 1 and positioning disc 2, the center pit clearance fit of positioning disc 2 and brake disc 3, and location fluted disc 1 is connected by bolt with positioning disc 2 center pits.
In conjunction with referring to Fig. 1 and Fig. 4 A river Fig. 4 B, test macro comprises contactless displacement meter 4, contactless displacement meter mounting bracket 5, thermopair 6 and thermopair mounting bracket 7.
Referring to Fig. 6 A, Fig. 6 B and Fig. 7 A and Fig. 7 B, contactless displacement meter mounting bracket 5 is mounting brackets of a kind of fork head type, and number has 3, pitch both sides simultaneously at brake disc 3, jaw one end is by on the mounting bracket stationary installation 8 that is bolted to support system, and the other end positions with the tooth clamping of locating on the fluted disc 1.Two of this jaw is symmetrically distributed with mounting hole on interdigital, and contactless displacement meter 4 is installed in the mounting hole on contactless displacement meter mounting bracket 5 interdigital, and by nut lock.Contactless displacement meter 4 is symmetrically distributed in the both sides of brake disc 3 by contactless displacement meter mounting bracket 5, and is evenly distributing 3 pairs along the brake disc circumferencial direction except that the position that caliper 10 is installed, and keeps the spacing of 2.8mm constant with brake disc.
Referring to Fig. 4 A, Fig. 4 B and Fig. 5 A, Fig. 5 B, thermopair mounting bracket 7 also is a kind of mounting bracket of fork head type, and number has 6, pitch both sides simultaneously at brake disc 3, jaw one end is by on the mounting bracket stationary installation 8 that is bolted to support system, and the other end positions with the tooth clamping of locating on the fluted disc 1.Two of this jaw is symmetrically distributed with mounting hole on interdigital; the end that thermopair 6 contacts with brake disc 3 passes interdigital mounting hole; by screw fit thermocouple protection headgear 12 is arranged on it; thermocouple protection headgear 12 1 sides penetrate compression spring 13; compression spring 13 is by 14 compressions of the thermopair mounting bracket cover plate on interdigital; thereby be pressed in thermopair 6 on the brake disc card and keep in touch; during the thermopair wearing and tearing; pretightning force by compression spring 13 can guarantee that thermopair keeps suitable contact pressure with brake disc 3 surfaces constantly, does not need the installation site of manual shift thermopair.14 of thermopair mounting bracket cover plates are to be fastened on the interdigital outside by screw, plain cushion and spring shim.Thermopair 6 is symmetrically distributed in the both sides of brake disc by thermopair mounting bracket 7, and is evenly distributing 6 pairs along the brake disc circumferencial direction except that the position that caliper 10 is installed, and keeps in touch with brake disc.
Referring to Fig. 1, support system is made up of mounting bracket stationary installation 8 and support 9, mounting bracket stationary installation 8 is provided with threaded hole 11, one end of contactless displacement meter mounting bracket 5 and thermopair mounting bracket 7 is connected and fixed by bolt between mounting bracket stationary installation 8 and the support 9 by being threaded on the mounting bracket stationary installation 8.Support 9 is fixed on the mounting seat of separating with the detent mounting seat.
Claims (8)
1. disc brake temperature field and thermoelastic distortion proving installation, it comprises test macro and support system, its characteristics are:
Described test macro comprises contactless displacement meter (4), contactless displacement meter mounting bracket (5), thermopair (6) and thermopair mounting bracket (7); Described contactless displacement meter (4) is symmetrically distributed in the both sides of brake disc (3) by contactless displacement meter mounting bracket (5), and is evenly distributing along the brake disc circumferencial direction except that the position that caliper (10) is installed, and keeps at a distance with brake disc; Described thermopair (6) is symmetrically distributed in the both sides of brake disc by thermopair mounting bracket (7), and is evenly distributing along the brake disc circumferencial direction except that the position that caliper (10) is installed, and keeps in touch with brake disc;
Described contactless displacement meter mounting bracket (5) and thermopair mounting bracket (7) are installed on the support system.
2. disc brake according to claim 1 temperature field and thermoelastic distortion proving installation, it is characterized in that: described device also comprises positioning system, described positioning system comprises location fluted disc (1) and positioning disc (2), the center pit clearance fit of positioning disc (2) and brake disc (3), location fluted disc (1) is connected by bolt with positioning disc (2) center pit; Described contactless displacement meter mounting bracket (5) and thermopair mounting bracket (7) cooperate with tooth on location fluted disc (1) respectively and position.
3. disc brake according to claim 1 and 2 temperature field and thermoelastic distortion proving installation, it is characterized in that: described contactless displacement meter mounting bracket (5) and thermopair mounting bracket (7) are fork head type, have a plurality of, and pitch respectively in brake disc (3) both sides, jaw one end is fixed on the support system, and the other end cooperates with tooth on location fluted disc (1) and positions.
4. disc brake according to claim 3 temperature field and thermoelastic distortion proving installation is characterized in that: two of described jaw is symmetrically distributed with mounting hole on interdigital, installs and fixes contactless displacement meter (4) or thermopair (6).
5. disc brake according to claim 4 temperature field and thermoelastic distortion proving installation; it is characterized in that: described thermopair (6) passes interdigital mounting hole with the end that brake disc (3) contacts; be equipped with thermocouple protection headgear (12) on it; thermocouple protection headgear (12) one sides are provided with compression spring (13); compression spring (13) is pressed on the brake disc card by thermopair mounting bracket cover plate (14) the compression termination with thermopair (6), described thermopair mounting bracket cover plate (14) be fixed on interdigital on.
6. disc brake according to claim 4 temperature field and thermoelastic distortion proving installation, it is characterized in that: described contactless displacement meter (4) is installed in contactless displacement meter mounting bracket (5)) interdigital on mounting hole in, and by nut lock.
7. disc brake according to claim 1 and 2 temperature field and thermoelastic distortion proving installation, it is characterized in that: described support system is made up of mounting bracket stationary installation (8) and support (9), one end of contactless displacement meter mounting bracket (5) and thermopair mounting bracket (7) is installed on the mounting bracket stationary installation (8), and mounting bracket stationary installation (8) is connected and fixed again and between the support (9).
8. disc brake according to claim 7 temperature field and thermoelastic distortion proving installation is characterized in that: described support (9) is fixed on the mounting seat of separating with the detent mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110229888.2A CN102288404B (en) | 2011-08-11 | 2011-08-11 | Temperature field and thermal elastic deformation test device for disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110229888.2A CN102288404B (en) | 2011-08-11 | 2011-08-11 | Temperature field and thermal elastic deformation test device for disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102288404A true CN102288404A (en) | 2011-12-21 |
| CN102288404B CN102288404B (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110229888.2A Active CN102288404B (en) | 2011-08-11 | 2011-08-11 | Temperature field and thermal elastic deformation test device for disc brake |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261130A (en) * | 2019-05-30 | 2019-09-20 | 同济大学 | A kind of automotive disc brake deformation recognition method |
| CN113916551A (en) * | 2021-10-12 | 2022-01-11 | 中国汽车工程研究院股份有限公司 | Method for measuring thermal deformation of brake disc and processing data |
| WO2023133128A1 (en) * | 2022-01-06 | 2023-07-13 | Hydro-Aire Aerospace Corporation | Aircraft braking indicators |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183260A (en) * | 1999-12-24 | 2001-07-06 | Meidensha Corp | Test system for vehicle brake |
| CN201837529U (en) * | 2010-10-11 | 2011-05-18 | 山东交通学院 | Combination property test-bed for disc brake |
| CN201834649U (en) * | 2010-09-30 | 2011-05-18 | 北京工业大学 | State monitoring device for disc brake of mining hoist |
-
2011
- 2011-08-11 CN CN201110229888.2A patent/CN102288404B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183260A (en) * | 1999-12-24 | 2001-07-06 | Meidensha Corp | Test system for vehicle brake |
| CN201834649U (en) * | 2010-09-30 | 2011-05-18 | 北京工业大学 | State monitoring device for disc brake of mining hoist |
| CN201837529U (en) * | 2010-10-11 | 2011-05-18 | 山东交通学院 | Combination property test-bed for disc brake |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261130A (en) * | 2019-05-30 | 2019-09-20 | 同济大学 | A kind of automotive disc brake deformation recognition method |
| CN113916551A (en) * | 2021-10-12 | 2022-01-11 | 中国汽车工程研究院股份有限公司 | Method for measuring thermal deformation of brake disc and processing data |
| CN113916551B (en) * | 2021-10-12 | 2024-05-07 | 中国汽车工程研究院股份有限公司 | Method for measuring thermal deformation of brake disc and data processing method |
| WO2023133128A1 (en) * | 2022-01-06 | 2023-07-13 | Hydro-Aire Aerospace Corporation | Aircraft braking indicators |
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| Publication number | Publication date |
|---|---|
| CN102288404B (en) | 2013-05-08 |
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Effective date of registration: 20221103 Address after: 311200 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang Qianchao Co.,Ltd. Address before: 510000 2414-2416 of the main building 371, five mountain road, Tianhe District, Guangzhou, Guangdong. Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20221103 Address after: 510000 2414-2416 of the main building 371, five mountain road, Tianhe District, Guangzhou, Guangdong. Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee before: Chongqing Changan Automobile Co.,Ltd. |
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