CN103091094A - Brake cylinder automatic digital display test stand - Google Patents
Brake cylinder automatic digital display test stand Download PDFInfo
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- CN103091094A CN103091094A CN2013100103268A CN201310010326A CN103091094A CN 103091094 A CN103091094 A CN 103091094A CN 2013100103268 A CN2013100103268 A CN 2013100103268A CN 201310010326 A CN201310010326 A CN 201310010326A CN 103091094 A CN103091094 A CN 103091094A
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- wheel hub
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- digital display
- brake cylinder
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Abstract
The invention relates to a testing device, namely a brake cylinder automatic digital display test stand. The brake cylinder automatic digital display test stand comprises a testing platform with a digital display screen. A left hub and a right hub clamping the brake cylinder are designed simulating a practical working state of the brake cylinder on a wedge type brake assembly. The left hub and the right hub are arranged on the testing platform. The inner side of the left hub and the inner side of the right hub are respectively connected with a working cylinder. An adjusting block is movably connected with the middle inner side of the left hub and the middle inner side of the right hub. A pressure cylinder is arranged above between the left hub and the right hub. A return tension spring is connected between the left hub and the right hub. Due to the fact that a pneumatic clamping device is adopted, the problem that time wasting and labor wasting caused by clamping depending on labor power pushing and pulling of the prior brake cylinder testing platform is solved. Working efficiency of testing work and precision and accuracy of testing data are improved. The testing data are collected automatically through a grating scale and a sensor, and are directly digital displayed on a display screen of the testing platform, thus the precision and accuracy of the testing data are guaranteed.
Description
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Technical field
The present invention relates to a kind of test unit, is for the Special experimental apparatus of measuring automobile brake wheel cylinder feed compensation function, i.e. wheel cylinder automatic digital display testing table.
Background technology
In the prior art, in the process of daily Vehicle Driving Cycle, a commonly used action is exactly to brake, and need to use the detent in the brake system of automobile.We are wedge brake the most commonly.The rotating element of wedge brake is brake drum, retaining element is brake-shoe, and during braking, to inner rotary, the friction disc of outside surface presses against on the inner cylinder face of brake drum brake-shoe under the effect of actuation gear wheel cylinder, drum is produced friction brake torque, realize brake.If wheel cylinder does not reach the performance that needs, in use may cause can't the wearing and tearing of auto-compensation wheel hub the gap, make braking brake malfunctioning, thus after the wheel cylinder output, the front detection of need to dispatching from the factory, testing table is ideal equipment.
Summary of the invention
The objective of the invention is provides a kind of actual working state of wheel cylinder on the wedge brake assembly that imitate for above-mentioned deficiency, has simple in structurely, and detection efficiency is high, detects effective wheel cylinder automatic digital display testing table.
Technical solution of the present invention is: a kind of wheel cylinder automatic digital display testing table comprises the test platform with digital display screen.Have on the test platform table top imitate wheel cylinder on the wedge brake assembly actual working state and be designed with the left wheel hub of clamping wheel cylinder, right wheel hub (or claiming brake-shoe), left wheel hub, right wheel hub inboard is connected with working cylinder respectively; Left wheel hub, inboard, right wheel hub middle part are connected with adjustment block; There is pressure cylinder top between left wheel hub, right wheel hub; Be connected with returning pull-spring between left wheel hub, right wheel hub.Be connected with respectively the grating scale of acquisition test data outside left wheel hub, right wheel hub.
Left wheel hub, right wheel hub one end and fixed leg are movably hinged; Left wheel hub, the right wheel hub other end touch with yoke respectively and connect, and there is roller the yoke end.Working cylinder is connected with yoke.
Advantage of the present invention is: 1, adopted air clamper, avoided wheel cylinder to rely on man-driven to carry out the problem that wastes time and energy that clamping causes at testing table, task performance is greatly improved.2, due at clamping device two ends respectively by filling a cylinder, changing gas circuit by solenoid valve makes the test piece can be by automated exchanged cutter, locking, and can carry out one-sided fixing, improve the work efficiency of experiment work and degree of accuracy and the accuracy of test figure.3, by employing grating scale, the automatic acquisition test data of sensor, and directly digital display on the display screen of testing table, makes the degree of accuracy of test figure and accuracy be guaranteed.4, because wheel cylinder automatic digital display testing table is that foundation and the actual working state of imitation wheel cylinder product on the wedge brake assembly are researched and developed, the trystate of wheel cylinder product on wheel cylinder automatic digital display testing table is substantially identical with the actual working state on the wedge brake assembly, the wheel cylinder of stand the test under this trystate, the requirement when its performance satisfies real work.Have simple in structure, precision is high, the characteristics of good reproducibility, processing ease.
Below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
Description of drawings
Fig. 1 is structure diagram of the present invention.
Fig. 2 is clamp device arrangement sketch of the present invention.
Embodiment
Referring to Fig. 1,2, parts title of the present invention is as follows: digital display screen 1(commercially available prod), test platform 2, wheel cylinder 3(is by testpieces), left wheel hub 4, right wheel hub 5(or title actuation arm, clamp arm or brake-shoe), cylinder removed in working cylinder 6(or title, promote left wheel hub 4, right wheel hub 5 outwards moves), grating scale 7, adjustment block 8, pressure cylinder 9, returning pull-spring 10, fixed leg 11, yoke 12(is rotatable), roller 13, roller 14, knock-pin 15, air compressor machine 16, fixed support 17, air chamber 18.Also have to rise on test platform 2 side elevations, descend, experiment is opened, test stop, unclamp, the switches such as clamping, power supply are opened, power supply pass.
Referring to Fig. 1, a kind of wheel cylinder automatic digital display testing table comprises the test platform 2 with digital display screen 1.Have on test platform 2 table tops imitate wheel cylinder 3 on the wedge brake assembly actual working state and be designed with the clamp device of clamping wheel cylinder 3.Stand the clamp device top fixed support 17, pressure cylinder 9 is arranged on fixed support 17, pressure cylinder 9 is pushed down wheel cylinder 3 and the ejecting mechanism (knock-pin 15) on work top fixing, and ejecting mechanism is connected with work air chamber 18, work air chamber 18 is connected (air compressor machine 16) with source of the gas.Be furnished with the grating scale 7 that gathers the racking test data on test platform 2 table tops.
Referring to Fig. 2, clamp device comprises left wheel hub 4, right wheel hub 5, working cylinder 6.Left wheel hub 4, right wheel hub 5 are arranged on test platform 2, and wheel cylinder 3 is clipped between left wheel hub 4, right wheel hub 5.Left wheel hub 4, right wheel hub 5 inboards are connected with working cylinder 6 respectively; Left wheel hub 4, right wheel hub 5 inboards, middle part are connected with adjustment block 8; There is pressure cylinder 9 top between left wheel hub 4, right wheel hub 5; Be connected with returning pull-spring 10 between left wheel hub 4, right wheel hub 5.Realize that test wheel cylinder 3 can be by automated exchanged cutter, locking, and can carry out one-sided fixing.Working cylinder 6 is two, is connected with left wheel hub 4, right wheel hub 5 respectively, can act on simultaneously, also can act on respectively.
Above-mentioned pneumatic structure also can adopt hydraulic means, is not subjected to pneumatic restriction.
Please use according to the following steps during test:
1, turn on the power switch, adjust the distance of the ejecting mechanism on wheel cylinder 3, pressure cylinder 9 and work top by the rising on panel, decline switch, until suitable rear fixing.
2, by unclamping on panel, clamping switch, working cylinder 6 is opened, left wheel hub 4, right wheel hub 5 are moved outward, can put into detected wheel cylinder 3, the adjustment block 8 at wheel cylinder 3 two ends is connected with bindiny mechanism on grating scale 7, close, under returning pull-spring 10 effects, left wheel hub 4, right wheel hub 5 returns, pressure cylinder 9 follow-up, clamps, has pushed down wheel cylinder 3 up and down at the left and right.
3, with the panel counter O reset, default experiment number is opened experiment switch on panel, and knock-pin 15 work are automatically recorded and show data.
4, after the end experiment, by the trip switch on panel, working cylinder 6 is opened, the rising on guidance panel, decline switch are taken down wheel cylinder 3.
Wheel cylinder automatic digital display testing table principle of work:
1, the wheel cylinder 3 that installs is placed on locking on test platform 2.
2, open gas-filled switching tube, compression brake voussoir assembly, the adjustment plunger at visual examination wheel cylinder 3 two ends should be able to steadily stretch out, fluent phenomenon.Close gas-filled switching tube, discharge the voussoir assembly, the adjustment plunger at visual examination wheel cylinder 3 two ends is return, fluent phenomenon steadily.
3, wheel cylinder 3 left sides are locked separately (locking left side yoke 12), with X-axis, the Y-axis numerical value zero clearing (X-axis, Y-axis numerical value are left and right displacement numerical value) of display screen, open gas-filled switching tube, compression brake voussoir assembly, close gas-filled switching tube, releasing brake voussoir assembly repeats above-mentioned action 20 times, the upper test figure of reading displayed screen, satisfy drawing requirement as the data that show, be considered as product qualified, otherwise, need test products is done over again.
4, wheel cylinder 3 right sides are locked separately (locking right side yoke 12), with X-axis, the zero clearing of Y-axis numerical value of display screen, open gas-filled switching tube, compression brake voussoir assembly, close gas-filled switching tube, releasing brake voussoir assembly repeats above-mentioned action 20 times, the upper test figure of reading displayed screen, satisfy drawing requirement as the data that show, be considered as product qualified, otherwise, need test products is done over again.
5, the wheel cylinder with stand the test unloads from test-bed.
Claims (2)
1. wheel cylinder automatic digital display testing table, the test platform (2) that comprises band digital display screen (1), it is characterized in that having on test platform (2) table top imitation wheel cylinder (3) on the wedge brake assembly actual working state and be designed with the left wheel hub (4) of clamping wheel cylinder (3), right wheel hub (5), left wheel hub (4), right wheel hub (5) inboard is connected with working cylinder (6) respectively; Left wheel hub (4), inboard, right wheel hub (5) middle part are connected with adjustment block (8); There is pressure cylinder (9) top between left wheel hub (4), right wheel hub (5); Be connected with returning pull-spring (10) between left wheel hub (4), right wheel hub (5); Be connected with respectively the grating scale (7) of acquisition test data outside left wheel hub (4), right wheel hub (5).
2. according to wheel cylinder automatic digital display testing table claimed in claim 1, it is characterized in that left wheel hub (4), right wheel hub (5) one ends and fixed leg (11) are movably hinged; Left wheel hub (4), right wheel hub (5) other end touch with yoke (12) respectively and connect, and there is roller (13,14) yoke (12) end; Working cylinder (6) is connected with yoke (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100103268A CN103091094A (en) | 2013-01-11 | 2013-01-11 | Brake cylinder automatic digital display test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100103268A CN103091094A (en) | 2013-01-11 | 2013-01-11 | Brake cylinder automatic digital display test stand |
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| Publication Number | Publication Date |
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| CN103091094A true CN103091094A (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100103268A Pending CN103091094A (en) | 2013-01-11 | 2013-01-11 | Brake cylinder automatic digital display test stand |
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| Country | Link |
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| CN (1) | CN103091094A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592110A (en) * | 2013-10-12 | 2014-02-19 | 万向钱潮股份有限公司 | Novel PV (pressure and volume) test detection device and novel PV test detection method |
| CN105134840A (en) * | 2015-06-23 | 2015-12-09 | 海宁六合汽配有限公司 | Brake calipers with brake clearance bidirectionally adjusted and testing device of brake calipers |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484173A (en) * | 1977-12-19 | 1979-07-04 | Nissan Motor Co Ltd | Tester for drum braking auto adjuster |
| CN2171910Y (en) * | 1993-07-30 | 1994-07-13 | 沈阳市重工电器设备厂 | Pedal main command controller |
| US6000261A (en) * | 1997-12-15 | 1999-12-14 | Johnston; Scott E. | Method and apparatus for portable spiral pipe manufacturing |
| US6021869A (en) * | 1997-09-22 | 2000-02-08 | Ice Cargo Equipment Aktiengesellschaft | Lift truck |
| CN2881206Y (en) * | 2006-02-28 | 2007-03-21 | 韩志业 | Wedge type brake for automobile |
| JP2011149763A (en) * | 2010-01-20 | 2011-08-04 | Toyota Motor Corp | Pressing force measurement apparatus |
| CN102589897A (en) * | 2012-02-16 | 2012-07-18 | 吉林大学 | Development experimental platform for detecting and controlling automobile tire pressure ABS (Anti Lock Brake System)/ASR (Acceleration Slip Regulation) key part |
-
2013
- 2013-01-11 CN CN2013100103268A patent/CN103091094A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484173A (en) * | 1977-12-19 | 1979-07-04 | Nissan Motor Co Ltd | Tester for drum braking auto adjuster |
| CN2171910Y (en) * | 1993-07-30 | 1994-07-13 | 沈阳市重工电器设备厂 | Pedal main command controller |
| US6021869A (en) * | 1997-09-22 | 2000-02-08 | Ice Cargo Equipment Aktiengesellschaft | Lift truck |
| US6000261A (en) * | 1997-12-15 | 1999-12-14 | Johnston; Scott E. | Method and apparatus for portable spiral pipe manufacturing |
| CN2881206Y (en) * | 2006-02-28 | 2007-03-21 | 韩志业 | Wedge type brake for automobile |
| JP2011149763A (en) * | 2010-01-20 | 2011-08-04 | Toyota Motor Corp | Pressing force measurement apparatus |
| CN102589897A (en) * | 2012-02-16 | 2012-07-18 | 吉林大学 | Development experimental platform for detecting and controlling automobile tire pressure ABS (Anti Lock Brake System)/ASR (Acceleration Slip Regulation) key part |
Non-Patent Citations (1)
| Title |
|---|
| 聂家谊: "汽车鼓式制动器轮缸检测系统研究", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592110A (en) * | 2013-10-12 | 2014-02-19 | 万向钱潮股份有限公司 | Novel PV (pressure and volume) test detection device and novel PV test detection method |
| CN105134840A (en) * | 2015-06-23 | 2015-12-09 | 海宁六合汽配有限公司 | Brake calipers with brake clearance bidirectionally adjusted and testing device of brake calipers |
| CN105134840B (en) * | 2015-06-23 | 2017-06-16 | 海宁六合汽配有限公司 | The caliper and its test device of a kind of bidirectional regulating braking clearance |
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Application publication date: 20130508 |