CN104089783A - Device for testing wedge-shaped braking expander assembly - Google Patents
Device for testing wedge-shaped braking expander assembly Download PDFInfo
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- CN104089783A CN104089783A CN201410302330.6A CN201410302330A CN104089783A CN 104089783 A CN104089783 A CN 104089783A CN 201410302330 A CN201410302330 A CN 201410302330A CN 104089783 A CN104089783 A CN 104089783A
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Abstract
The invention discloses a device for testing a wedge-shaped braking expander assembly. The device for testing the wedge-shaped braking expander assembly comprises a machine base, a positioning mechanism, a loading mechanism and testing mechanisms, wherein the machine base comprises a testing base plate, a left vertical plate and a right vertical plate are fixedly and symmetrically arranged on the left portion and the right portion of the surface of the upper end of the testing base plate, a round hole is formed in the center of the machine base, the positioning mechanism comprises a boss type positioning base, a limiting connecting rod base, a limiting connecting rod, a compression rod, a compression cushion block, a compression cylinder connector and a compression cylinder, the loading mechanism comprises a loading cylinder installation plate, a loading cylinder connecting plate, a loading cylinder connecting rod, a loading rod, a loading cylinder head, an S-shaped force sensor and a loading cylinder, the testing mechanisms comprise the left testing mechanism and the right testing mechanism, the left testing mechanism and the right testing mechanisms are symmetrically arranged on the left side and the right side of the boss type positioning base, and the tested wedge-shaped braking expander assembly is clamped between the left testing mechanism and the right testing mechanism. The device for testing the wedge-shaped braking expander assembly has the advantages that the braking force transmissibility and the self adjustment function of the wedge-shaped braking expander assembly can be tested more efficiently, and the testing precision is high.
Description
Technical field
The present invention relates to the detection field of automobile brake expander assembly, especially a kind of proving installation of wedge shape braking expander assembly.
Background technology
Automobile brake expander serviceability is directly connected to traffic safety, and major traffic accidents are often relevant with brake system fault, so automobile brake perfrmance is the important leverage of traffic safety.Wedge shape braking expander is the important component part of automobile key-operated brake, and the structure of key-operated brake can obtain and understand from a kind of key-operated brake of the disclosure of the invention of Chinese Patent Application No. CN201120470116.3; The main parts size of key-operated brake comprises back-plate, be arranged symmetrically in two-way expander on back-plate, be positioned at two-way expander one end and support end is provided with retainer spring, on the brake-shoe of left and right, by rivet, there is friction disc, the external arc of the support end of left and right brake-shoe coordinates with the interior circular arc on back-plate respectively, brake-shoe can only the boss on base plate in circular arc rotate, can not left and right vibration; The structure of key-operated brake assembly can obtain and understand from a kind of key-operated brake assembly of the disclosure of the invention of Chinese Patent Application No. CN201120470116.3; Key-operated brake assembly, as the topworks of brake system of car, is the key factor of braking comfortableness and security, and wedge shape braking expander serviceability is to evaluate the important indicator of automobile brake perfrmance.
Wedge shape braking expander refers in the key-operated brake course of work, transmission damping force promotion brake-shoe opens to be braked, and after end of braking the automatic gap width between adjustable brake hoof and back-plate, make it to keep accurate brake clearance, eliminate the dawdle functional entity of phenomenon of brake-shoe.So can wedge shape braking expander normal delivery damping force also realize braking comfortableness and the security that is directly connected to vehicle from conditioning function.Owing to lacking at present suitable wedge shape braking expander proving installation and method, exist the transmission of test damping force than and from testing efficiency and the lower deficiency of measuring accuracy of conditioning function, therefore, design a kind of wedge shape braking expander assembly function test method and device that damping force transmission ratio and self-regulated functional efficiency and precision are higher of testing, become problem demanding prompt solution.
The deficiency existing for prior art, proposes the present invention.
Summary of the invention
The test wedge shape braking expander damping force transmission ratio and self-regulated functional test efficiency and the lower deficiency of measuring accuracy that for overcoming above-mentioned prior art, exist, the invention provides a kind of wedge shape braking expander function proving installation that wedge shape braking expander damping force transmission ratio and self-regulated functional test efficiency and measuring accuracy are higher of testing.
Technical scheme provided by the invention is: a kind of wedge shape braking expander assembly proving installation, comprise support, detent mechanism, load maintainer, mechanism for testing, support comprises a test base plate, symmetrical left riser and the right riser of being fixedly installed of test base plate upper end face; Support central authorities are provided with circular hole; The outside of left riser and right riser is fixed with respectively and the reinforcement gusset of testing base plate upper end face and being connected.Detent mechanism comprises boss type positioning seat, spacing connecting rod base, spacing connecting rod, compressor arm, compression cushion block, hold-down cylinder joint, clamping cylinder, boss type positioning seat is fixed on the central authorities of test base plate, and matches with the central circular hole of test base plate, spacing connecting rod base is fixed on the test base plate upper surface at boss type positioning seat rear, limiting cylinder is by being fixed on the test base plate lower surface at spacing connecting rod base rear, and the test base plate of limiting cylinder cylinder installation site has through hole, compressor arm is articulated with hold-down cylinder joint, and spacing connecting rod two ends are hinged with spacing connecting rod base and compressor arm stage casing respectively, and the other end of compressor arm is provided with compression cushion block, load maintainer comprises and loads cylinder mounting plate, adds carrier gas cylinder web joint, adds carrier gas cylinder connecting link, load bar, loading cylinder head, S type power sensor, adds carrier gas cylinder, adding carrier gas cylinder is fixed on loading cylinder mounting plate, load cylinder mounting plate and be fixed on test base plate lower surface by adding carrier gas cylinder connecting link, add carrier gas cylinder web joint and have four through holes, loading cylinder mounting plate slides up and down along adding carrier gas cylinder connecting link, add carrier gas cylinder web joint central authorities upper surface and connect load bar, add carrier gas cylinder web joint lower surface and be connected with S type power sensor by loading cylinder head, the S type power sensor other end is connected with cylinder push-rod, mechanism for testing comprises left mechanism for testing and the right mechanism for testing being symmetrical set with respect to boss type positioning seat, wherein, left mechanism for testing comprises the left rail plate that is fixedly installed on test base plate upper end face, left rail plate is provided with the left sliding floor that can move left and right slip, left pressure transducer web joint is connected with left sliding floor by sensor gusset, left power installation of sensors is on left pressure transducer web joint, left power sensor is connected with left slide head, the other end of left slide head is connected with the left spring with spring housing, the other end of left spring props up left riser, the another side of left pressure transducer web joint is equipped with left measuring head, left dislocation contact is fixed on left sliding floor side, left dislocation sensor holder is connected to the left test base plate upper surface of left rail plate rear side, left dislocation installation of sensors is on left dislocation sensor holder, measuring junction is connected with left dislocation contact, right mechanism for testing comprises the right rail plate that is fixedly installed on test base plate upper end face, right rail plate is provided with the right sliding floor that can move left and right slip, right pressure transducer web joint is connected with right sliding floor by sensor gusset, right power installation of sensors is on right pressure transducer web joint, right power sensor is connected with right slide head, the other end of right slide head is connected with the right spring with spring housing, the other end of right spring props up right riser, the another side of right pressure transducer web joint is equipped with right measuring head, right displacement contact is fixed on right sliding floor side, right displacement transducer seat is connected to the right test base plate upper surface of right rail plate rear side, right displacement transducer is arranged on right displacement transducer seat, measuring junction is connected with right displacement contact, tested wedge shape braking expander is clamped between left measuring head and right measuring head.
The invention has the beneficial effects as follows:
Wedge shape braking expander assembly proving installation test braking expander assembly damping force transmission ratio of the present invention and self-regulated functional test efficiency and measuring accuracy are higher.Detent mechanism is fixing brakes expander assembly quick and precisely, safety simple to operate.Mechanism for testing is simple and practical, have left dislocation sensor and right displacement transducer can be two-way detection braking expander assembly from conditioning function, displacement transducer can accurately obtain shift value; There is left power sensor and right power sensor and can accurately measure the power that braking expander assembly transmits.Load maintainer precision simple in structure is high, and S type power sensor can accurately be measured the size of institute's loading force.The power that the power recording by mechanism for testing and load maintainer record can calculate the damping force transmission of braking expander assembly and compare.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the present invention and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention, wherein:
Fig. 1 is full view of the present invention;
Fig. 2 is front elevation of the present invention;
Fig. 3 is left view of the present invention;
Fig. 4 is vertical view of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of wedge shape braking expander assembly proving installation of the present invention, comprise support, detent mechanism, load maintainer, mechanism for testing, wherein, support comprises a test base plate 14, symmetrical left riser 12 and the right riser 13 of being fixedly installed of test base plate 14 upper end faces; Support central authorities are provided with circular hole; The outside of left riser 12 and right riser 13 is fixed with respectively and the reinforcement gusset of testing base plate 14 upper end faces and being connected.
Detent mechanism comprises boss type positioning seat 15, spacing connecting rod base 251, spacing connecting rod 25, compressor arm 23, compresses cushion block 24, hold-down cylinder joint 22, clamping cylinder 21, boss type positioning seat 15 is fixed on the central authorities of test base plate 14, and matches with the central circular hole of test base plate 14, spacing connecting rod base 251 is fixed on test base plate 14 upper surfaces at boss type positioning seat 15 rears, limiting cylinder 21 is by being fixed on test base plate 14 lower surfaces at spacing connecting rod base 251 rears, and the test base plate 14 of limiting cylinder 21 cylinder installation sites has through hole, compressor arm 23 is articulated with hold-down cylinder joint 22, and spacing connecting rod 25 two ends are hinged with spacing connecting rod base 251 and compressor arm 23 stage casings respectively, and the other end of compressor arm 23 is provided with and compresses cushion block 24, load maintainer comprises and loads cylinder mounting plate 19, adds carrier gas cylinder web joint 16, adds carrier gas cylinder connecting link 18, load bar (not shown), loads cylinder head, S type power sensor 17, adds carrier gas cylinder 20, adding carrier gas cylinder 20 is fixed on loading cylinder mounting plate 19, load cylinder mounting plate 19 and be fixed on test base plate 14 lower surfaces by adding carrier gas cylinder connecting link 18, add carrier gas cylinder web joint 19 and have four through holes, loading cylinder mounting plate 19 slides up and down along adding carrier gas cylinder connecting link 18, add the central upper surface of carrier gas cylinder web joint 16 and connect load bar (not shown), add carrier gas cylinder web joint 16 lower surfaces and be connected with S type power sensor 17 by loading cylinder head, S type power sensor 17 other ends are connected with the push rod of cylinder 20, mechanism for testing comprises left mechanism for testing and the right mechanism for testing being symmetrical set with respect to boss type positioning seat 15, wherein, left mechanism for testing comprises the left rail plate 32 that is fixedly installed on test base plate 14 upper end faces, left rail plate 32 is provided with the left sliding floor 34 that can move left and right slip, left pressure transducer web joint 4 is connected with left sliding floor 34 by sensor gusset 401, left power sensor 6 is arranged on left pressure transducer web joint 4, left power sensor 6 is connected with left slide head 8, the other end of left slide head 8 is connected with the left spring 10 with spring housing, the other end of left spring 10 props up left riser 12, the another side of left pressure transducer web joint 4 is equipped with left measuring head 2, left dislocation contact 30 is fixed on left sliding floor 34 sides, left dislocation sensor holder 26 is connected to left test base plate 34 upper surfaces of left rail plate 32 rear sides, left dislocation sensor 28 is arranged on left dislocation sensor holder 26, measuring junction is connected with left dislocation contact 30, right mechanism for testing comprises the right rail plate 33 that is fixedly installed on test base plate 14 upper end faces, right rail plate 33 is provided with the right sliding floor 35 that can move left and right slip, right pressure transducer web joint 5 is connected with right sliding floor 35 by sensor gusset 401, right power sensor 7 is arranged on right pressure transducer web joint 5, right power sensor 7 is connected with right slide head 9, the other end of right slide head 9 is connected with the right spring 11 with spring housing, the other end of right spring 11 props up right riser 13, the another side of right pressure transducer web joint 5 is equipped with right measuring head 3, right displacement contact 31 is fixed on right sliding floor 35 sides, right displacement transducer seat 27 is connected to right test base plate 35 upper surfaces of right rail plate 33 rear sides, right displacement transducer 29 is arranged on right displacement transducer seat 27, measuring junction is connected with right displacement contact 31, tested wedge shape braking expander is clamped between left measuring head 2 and right measuring head 3.
The test process of wedge shape braking expander assembly proving installation of the present invention is described below:
Wedge shape braking expander assembly proving installation is controlled by controller;
(1) wedge shape braking expander assembly 1 is arranged on boss shape positioning seat 15, tested wedge shape braking expander damping force input end is connected with load maintainer load bar (not shown), the left measuring head 8 at mechanism for testing two ends is connected with tested wedge shape braking two of 1 left and right of expander screw rod with right measuring head 9, and clamping cylinder 21 drives the compressor arm 23 of detent mechanism that tested wedge shape braking expander assembly 1 is fixed;
(2) transmission of wedge shape braking expander assembly damping force is than detecting, start test load maintainer, the action of execution simulating brake, add carrier gas cylinder 20 by S type power sensor 17, load cylinder head and upwards promote to add carrier gas cylinder web joint 16, adding carrier gas cylinder web joint 16 moves up along adding carrier gas cylinder connecting link 18, and give tested wedge shape braking expander assembly loading simulation damping force through load bar (not shown), S type power sensor 17 records Input Forces, wedge shape braking expander 1 two ends screw rod produces braking distance, and in screw rod two ends generation power output, the power output value at force sensor measuring two ends in mechanism for testing, and calculate the ratio of Input Forces and power output, if in 1/8 ± 10% scope, the 1 damping force transmission of wedge shape braking expander assembly is more qualified than detecting, otherwise defective,
(3) wedge shape braking expander assembly self-regulated functional test, start test load maintainer, the action of execution simulating brake, add carrier gas cylinder 20 by S type power sensor 17, load cylinder head and upwards promote to add carrier gas cylinder web joint 16, adding carrier gas cylinder web joint 16 moves up along adding carrier gas cylinder connecting link 18, and give tested wedge shape braking expander assembly loading simulation damping force through load bar (not shown), wedge shape braking expander 1 two ends screw rod produces braking distance, displacement transducer records braking distance, controller controlled loading cylinder is with the beat of 1 time/4S, carry out braking maneuver totally 15 times, 15 braking distances of displacement transducer record, controller is drawn the curve of 15 braking distances, if curve has obvious decline trend, wedge shape braking expander assembly self-regulated functional test is qualified, otherwise defective,
(4) if the transmission of wedge shape braking expander assembly damping force is all more qualified than detection and wedge shape braking expander assembly self-regulated functional test results, it is qualified that controller is judged as product, otherwise be substandard product.
The explanation of above example is just for helping to understand core concept of the present invention; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (2)
1. a proving installation for wedge shape braking expander assembly, is characterized in that, comprises support, detent mechanism, load maintainer, mechanism for testing, wherein,
Support comprises a test base plate, symmetrical left riser and the right riser of being fixedly installed of test base plate upper end face; Support central authorities are provided with circular hole;
Detent mechanism comprises boss type positioning seat, spacing connecting rod base, spacing connecting rod, compressor arm, compression cushion block, hold-down cylinder joint, clamping cylinder;
Boss type positioning seat is fixed on the central authorities of test base plate, and matches with the central circular hole of test base plate; Spacing connecting rod base is fixed on the test base plate upper surface at boss type positioning seat rear; Limiting cylinder is by being fixed on the test base plate lower surface at spacing connecting rod base rear, and the test base plate of limiting cylinder cylinder installation site has through hole; Compressor arm is articulated with hold-down cylinder joint, and spacing connecting rod two ends are hinged with spacing connecting rod base and compressor arm stage casing respectively, and the other end of compressor arm is provided with compression cushion block;
Load maintainer comprises and loads cylinder mounting plate, adds carrier gas cylinder web joint, adds carrier gas cylinder connecting link, load bar, loading cylinder head, S type power sensor, adds carrier gas cylinder;
Adding carrier gas cylinder is fixed on loading cylinder mounting plate, load cylinder mounting plate and be fixed on test base plate lower surface by adding carrier gas cylinder connecting link, add carrier gas cylinder web joint and have four through holes, loading cylinder mounting plate slides up and down along adding carrier gas cylinder connecting link, add carrier gas cylinder web joint central authorities upper surface and connect load bar, add carrier gas cylinder web joint lower surface and be connected with S type power sensor by loading cylinder head, the S type power sensor other end is connected with cylinder push-rod;
Mechanism for testing comprises left mechanism for testing and the right mechanism for testing being symmetrical set with respect to boss type positioning seat, wherein,
Left mechanism for testing comprises the left rail plate that is fixedly installed on test base plate upper end face, left rail plate is provided with the left sliding floor that can move left and right slip, left pressure transducer web joint is connected with left sliding floor by sensor gusset, left power installation of sensors is on left pressure transducer web joint, left power sensor is connected with left slide head, the other end of left slide head is connected with the left spring with spring housing, the other end of left spring props up left riser, the another side of left pressure transducer web joint is equipped with left measuring head, left dislocation contact is fixed on left sliding floor side, left dislocation sensor holder is connected to the left test base plate upper surface of left rail plate rear side, left dislocation installation of sensors is on left dislocation sensor holder, measuring junction is connected with left dislocation contact,
Right mechanism for testing comprises the right rail plate that is fixedly installed on test base plate upper end face, right rail plate is provided with the right sliding floor that can move left and right slip, right pressure transducer web joint is connected with right sliding floor by sensor gusset, right power installation of sensors is on right pressure transducer web joint, right power sensor is connected with right slide head, the other end of right slide head is connected with the right spring with spring housing, the other end of right spring props up right riser, the another side of right pressure transducer web joint is equipped with right measuring head, right displacement contact is fixed on right sliding floor side, right displacement transducer seat is connected to the right test base plate upper surface of right rail plate rear side, right displacement transducer is arranged on right displacement transducer seat, measuring junction is connected with right displacement contact,
Tested wedge shape braking expander is clamped between left measuring head and right measuring head.
2. the proving installation of a kind of wedge shape braking expander assembly according to claim 1, is characterized in that, the outside of left riser and right riser is fixed with respectively and the reinforcement gusset of testing base plate upper end face and being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302330.6A CN104089783B (en) | 2014-06-27 | 2014-06-27 | A kind of test device of wedge shape braking dilator assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302330.6A CN104089783B (en) | 2014-06-27 | 2014-06-27 | A kind of test device of wedge shape braking dilator assembly |
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| CN104089783A true CN104089783A (en) | 2014-10-08 |
| CN104089783B CN104089783B (en) | 2016-08-24 |
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| CN201410302330.6A Active CN104089783B (en) | 2014-06-27 | 2014-06-27 | A kind of test device of wedge shape braking dilator assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107560876A (en) * | 2017-10-26 | 2018-01-09 | 苏州联正测试技术服务有限公司 | A kind of detection means and its detection method of automobile expander |
| CN107621326A (en) * | 2017-10-26 | 2018-01-23 | 苏州联正测试技术服务有限公司 | A kind of test device and its method of testing of automobile expander ejection power |
| CN108896300A (en) * | 2018-06-01 | 2018-11-27 | 苏州中全智造自动化科技有限公司 | A kind of online experimental rig of disc-brake |
| CN109794875A (en) * | 2019-04-04 | 2019-05-24 | 广州川也汽车装备有限公司 | A kind of vehicle glass guide-rail module testing fixture |
| CN108896300B (en) * | 2018-06-01 | 2023-11-21 | 苏州中全智造自动化科技有限公司 | Online test device for disc brake |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108896300B (en) * | 2018-06-01 | 2023-11-21 | 苏州中全智造自动化科技有限公司 | Online test device for disc brake |
| CN109794875A (en) * | 2019-04-04 | 2019-05-24 | 广州川也汽车装备有限公司 | A kind of vehicle glass guide-rail module testing fixture |
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