CN104154843A - Device for detecting thickness difference of brake disc and detection method - Google Patents
Device for detecting thickness difference of brake disc and detection method Download PDFInfo
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- CN104154843A CN104154843A CN201410426711.5A CN201410426711A CN104154843A CN 104154843 A CN104154843 A CN 104154843A CN 201410426711 A CN201410426711 A CN 201410426711A CN 104154843 A CN104154843 A CN 104154843A
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- brake disc
- clock gauge
- contact
- hole
- thickness difference
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Abstract
The invention provides a device for detecting the thickness difference of a brake disc. The device comprises a dial indicator, an installing support of the dial indicator, an elastic piece, a gauge support and a lifting pin. The installing support of the dial indicator is of a U shape which is opened laterally, through holes are formed in an upper arm and a lower arm of the installing support respectively, the side face of the through hole of the upper arm is communicated with a threaded hole, the portion, with an outer sleeve, of a contact of the dial indicator penetrates through the through hole, the dial indicator is fastened through a screw, and the contact of the dial indicator stretches into the U-shaped opening of the installing support of the dial indicator to serve as an upper contact of the device for detecting the thickness difference. The lifting pin is arranged in the through hole of the lower arm, and the upper end of the lifting pin serves as a lower contact. The installing support of the dial indicator is fixed to the gauge support through the elastic piece, and the gauge support is fixed to a platform. A convex brake disc containing tabletop is fixed to the platform and used for containing a detected brake disc. The device is used for detecting the thickness difference of the brake disc, accuracy can meet the project use requirement, and the device is low in manufacturing cost, small in size, capable of being carried, quick in detection and capable of being used for field detection.
Description
Technical field
The present invention relates to inspection technology field, auto brake system chassis.
Background technology
Thickness difference is the precision size forming after brake disc processing.This size is that vehicle produces the main cause of shake in the time of braking.
Mainly by two rows, totally six displacement sensors, sensor fixed support, brake disc holder, microprocessor and display screens form the current device for detection of thickness difference.When use, brake disc two detection faces are held in place between displacement sensor, adjustment makes sensor contact brake disc detection faces, after several weeks of rotation brake dish, processor is presented on display screen by the signal of processes sensor and by result thickness difference and jitter values, its advantage is that precision is high, and shortcoming is that cost is expensive, carries inconvenience.
Summary of the invention
The invention provides a kind of apparatus and method for detection of brake disc thickness difference, adopt simple mechanical detection means, use clock gauge that thickness difference is read, simple in structure, cost is low, detects fast.
Technical scheme of the present invention is as follows:
For detection of a device for brake disc thickness difference, it comprises clock gauge, clock gauge mounting bracket, elastic component, cubing support and ejector pin; Described clock gauge mounting bracket is the U-shaped to lateral opening, on its upper arm and underarm, there is respectively through hole, the through hole side of upper arm and a threaded hole connect, the contact band coat part of clock gauge is through this through hole, screw is screwed in threaded hole, and withstands on the outer of clock gauge and put, fastening clock gauge, clock gauge contact puts in the U-shaped mouth of clock gauge mounting bracket, as this checkout equipment upper contact; In the through hole of underarm, interference is pressed with ejector pin, and ejector pin upper end embeds ball or makes circular shape, and as the lower contact of this checkout equipment, upper and lower contact contacts brake disc workplace in the mode of a contact; One side of described clock gauge mounting bracket is used fastening bolt to be fixed on cubing support by elastic component, and cubing support is fixed on platform; On platform, be also fixed with brake disc placed mesa, for convex, be used for placing tested brake disc, the projection at center, brake disc placed mesa upper end for the through hole of brake disc through and to its location, the position of brake disc placed mesa and clock gauge mounting bracket can put in U-shaped mouth with the tested position of brake disc, and contacts as standard with upper and lower contact.
The method that adopts above device to detect: first tested brake disc is installed on brake disc placed mesa, make detected position put in the U-shaped mouth of clock gauge mounting bracket, by the elastic reaction of shell fragment, the lower workplace of lower contact and tested brake disc is kept in touch, by clock gauge zeroing, upper contact and lower contact form the original depth of brake disc; With then rotation brake dish of hand, brake disc keeps lower contact contact in rotation, and the variation of upper contact is the variation of disc thickness, reads clock gauge and rotates the peak value in two weeks at brake disc, obtains thickness difference.
Use this device for detection of brake disc thickness difference, precision can meet engineering and use, its low cost, and volume is relatively little, and portability detects fast, can be used for Site Detection, as the on-the site analysis of road test run jitter problem.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of clock gauge mounting bracket of the present invention.
Fig. 3 is the local connection diagram of clock gauge of the present invention mounting portion.
Fig. 4 is the sectional view of the upper arm mounting hole of clock gauge mounting bracket of the present invention.
In Fig. 1, the tested brake disc of 1-, 2-brake disc placed mesa, 3-clock gauge, 4-clock gauge mounting bracket, 41-upper arm, 42-underarm, 5-elastic component, 6-cubing support, 7-fastening bolt, 8-platform, 9-ejector pin, 10-lower contact, 11-upper contact, 12-overcoat, 13-through hole, 14-threaded hole, 15-screw.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing:
Referring to Fig. 1, elastic component (5), cubing support (6) and ejector pin (9) etc. that this device is mainly made up of clock gauge (3), clock gauge mounting bracket (4), upper and lower two shell fragments form.
Referring to Fig. 2, Fig. 3 and Fig. 4, clock gauge mounting bracket (4) is the U-shaped piece of an accumbency, has through hole (13) on its upper arm (41), and through hole side has threaded hole (14) to connect.Being arranged in through hole (13) of clock gauge (3), screw (15) is screwed in threaded hole (14), and withstands on the overcoat (12) of clock gauge, makes clock gauge fastening.Clock gauge contact puts in U-shaped mouth, as the upper contact (11) of the detected face of tested brake disc (1).Dial indicators rack underarm also has through hole on (42), and position is relative with upper contact.In the through hole that is fitted in clock gauge mounting bracket underarm (42) of rationed marketing (9) interference, ejector pin upper end can embed ball or make circular shape, as the lower contact (10) of this checkout equipment, can contact brake disc (1) workplace in the mode of a contact.The elastic component (5) that clock gauge mounting bracket (4) consists of two upper and lower parallel thin shell fragments, use fastening bolt (7) to be fixed on cubing support (6) upper, its main effect is to guarantee that lower contact (10) and brake disc (1) can keep in touch in checkout procedure.It is upper that one side of clock gauge mounting bracket (4) is used fastening bolt (7) to be fixed on cubing support (6) by elastic component (5), and cubing support (6) is fixed on platform (8).On platform, be also fixed with brake disc placed mesa (2), for convex, for placing detected brake disc (1), the projection at center, brake disc placed mesa upper end for the through hole of brake disc through and to its location, brake disc placed mesa (2) can put in U-shaped mouth with the position of clock gauge mounting bracket (4) with the tested position of brake disc (1), and contacts as standard with upper and lower contact.
Measuring method: first tested brake disc (1) is installed on brake disc placed mesa (2), make detected position put in the U-shaped mouth of clock gauge mounting bracket (4), by the elastic reaction of shell fragment (5), lower contact (10) and the lower workplace of measured piece brake disc (1) are kept in touch, upper contact point (11) and lower contact point (10) form the original depth of brake disc.Brake disc (1) is using the through hole on brake disc as location, and the placed mesa (2) that lies in convex is upper, and under brake disc (1) keeps in rotation, point contacts, and the variation of going up contact point is the variation of disc thickness.Thereby one to two week rear thickness difference of brake disc rotation can be read from clock gauge intuitively.
Claims (3)
1. for detection of a device for brake disc thickness difference, it is characterized in that, it comprises clock gauge (3), clock gauge mounting bracket (4), elastic component (5), cubing support (6) and ejector pin (9); Described clock gauge mounting bracket (4) is the U-shaped to lateral opening, on its upper arm (41) and underarm (42), there is respectively through hole (13), through hole (13) side of upper arm and a threaded hole (14) connect, the contact band overcoat of clock gauge is through through hole (13), screw (15) is screwed in threaded hole (14), and withstand on the overcoat (12) of clock gauge, fastening clock gauge, clock gauge contact puts in the U-shaped mouth of clock gauge mounting bracket (4), as this checkout equipment upper contact (11); In the through hole of underarm (42), interference is pressed with ejector pin (9), and ejector pin upper end embeds ball or makes circular shape, and as the lower contact (10) of this checkout equipment, upper and lower contact contacts brake disc (1) workplace in the mode of a contact; It is upper that one side of described clock gauge mounting bracket (4) is used fastening bolt (7) to be fixed on cubing support (6) by elastic component (5), and cubing support (6) is fixed on platform (8); On platform, be also fixed with brake disc placed mesa (2), for convex, for placing detected brake disc (1), the projection at center, brake disc placed mesa upper end for the through hole of brake disc through and to its location, brake disc placed mesa (2) can put in U-shaped mouth with the position of clock gauge mounting bracket (4) with the tested position of brake disc (1), and contacts as standard with upper and lower contact.
2. the device for detection of brake disc thickness difference according to claim 1, is characterized in that, described elastic component (5) adopts two upper and lower two parallel shell fragments.
3. the method for detection of brake disc thickness difference, it is characterized in that, described method adopts the device described in claim 1 or 2, process is as follows: tested brake disc (1) is installed on brake disc placed mesa (2), make detected position put in the U-shaped mouth of clock gauge mounting bracket (4), by the elastic reaction of shell fragment (5), lower contact (10) and the lower workplace of tested brake disc (1) are kept in touch, by clock gauge zeroing, upper contact (11) and lower contact (10) form the original depth of brake disc; With then rotation brake dish (1) of hand, brake disc (1) keeps lower contact contact in rotation, and the variation of upper contact is the variation of disc thickness, reads clock gauge and rotates the peak value in two weeks at brake disc, obtains thickness difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426711.5A CN104154843A (en) | 2014-08-27 | 2014-08-27 | Device for detecting thickness difference of brake disc and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426711.5A CN104154843A (en) | 2014-08-27 | 2014-08-27 | Device for detecting thickness difference of brake disc and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104154843A true CN104154843A (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410426711.5A Pending CN104154843A (en) | 2014-08-27 | 2014-08-27 | Device for detecting thickness difference of brake disc and detection method |
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| CN (1) | CN104154843A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403874A (en) * | 2015-07-29 | 2017-02-15 | 哈尔滨飞机工业集团有限责任公司 | Point contact type thickness measuring device |
| CN106813550A (en) * | 2017-04-11 | 2017-06-09 | 刘养青 | A kind of brake clutch piece production thickness efficient detection device |
| CN107356178A (en) * | 2017-06-13 | 2017-11-17 | 中国科学院力学研究所 | The caliberating device of hypersonic overflow liquid film cooling film thickness measuring probe |
| CN108627065A (en) * | 2018-07-18 | 2018-10-09 | 南京布雷尔汽车配件有限公司 | A kind of braking disc detector |
| CN109211597A (en) * | 2017-07-04 | 2019-01-15 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake disc panel surface change in displacement test fixture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5469629A (en) * | 1994-06-02 | 1995-11-28 | Central Tools, Inc. | Brake rotor thickness measurement gage |
| CN201016689Y (en) * | 2007-02-13 | 2008-02-06 | 贵州航天风华精密设备有限公司 | Wall-thickness measuring unit for irregular accurate parts |
| CN201983737U (en) * | 2011-01-25 | 2011-09-21 | 浙江福林国润汽车零部件有限公司 | Brake disc thickness difference detection tool |
| CN202869414U (en) * | 2012-10-30 | 2013-04-10 | 贵州航天红光机械制造有限公司 | Novel wall thickness detecting apparatus |
| CN203132451U (en) * | 2012-12-27 | 2013-08-14 | 郑州精益达汽车零部件有限公司 | Integrated detection tool used for simultaneously detecting jitter and thickness difference of two friction surfaces of brake disc |
-
2014
- 2014-08-27 CN CN201410426711.5A patent/CN104154843A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5469629A (en) * | 1994-06-02 | 1995-11-28 | Central Tools, Inc. | Brake rotor thickness measurement gage |
| CN201016689Y (en) * | 2007-02-13 | 2008-02-06 | 贵州航天风华精密设备有限公司 | Wall-thickness measuring unit for irregular accurate parts |
| CN201983737U (en) * | 2011-01-25 | 2011-09-21 | 浙江福林国润汽车零部件有限公司 | Brake disc thickness difference detection tool |
| CN202869414U (en) * | 2012-10-30 | 2013-04-10 | 贵州航天红光机械制造有限公司 | Novel wall thickness detecting apparatus |
| CN203132451U (en) * | 2012-12-27 | 2013-08-14 | 郑州精益达汽车零部件有限公司 | Integrated detection tool used for simultaneously detecting jitter and thickness difference of two friction surfaces of brake disc |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403874A (en) * | 2015-07-29 | 2017-02-15 | 哈尔滨飞机工业集团有限责任公司 | Point contact type thickness measuring device |
| CN106813550A (en) * | 2017-04-11 | 2017-06-09 | 刘养青 | A kind of brake clutch piece production thickness efficient detection device |
| CN107356178A (en) * | 2017-06-13 | 2017-11-17 | 中国科学院力学研究所 | The caliberating device of hypersonic overflow liquid film cooling film thickness measuring probe |
| CN107356178B (en) * | 2017-06-13 | 2019-10-29 | 中国科学院力学研究所 | The caliberating device of hypersonic overflow liquid film cooling film thickness measuring probe |
| CN109211597A (en) * | 2017-07-04 | 2019-01-15 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake disc panel surface change in displacement test fixture |
| CN109211597B (en) * | 2017-07-04 | 2024-03-29 | 中车戚墅堰机车车辆工艺研究所股份有限公司 | Brake disc surface displacement change test fixture |
| CN108627065A (en) * | 2018-07-18 | 2018-10-09 | 南京布雷尔汽车配件有限公司 | A kind of braking disc detector |
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Application publication date: 20141119 |