CN106932192A - A kind of maximum detection method from angle modulation of automotive adjusting arm - Google Patents
A kind of maximum detection method from angle modulation of automotive adjusting arm Download PDFInfo
- Publication number
- CN106932192A CN106932192A CN201710256262.8A CN201710256262A CN106932192A CN 106932192 A CN106932192 A CN 106932192A CN 201710256262 A CN201710256262 A CN 201710256262A CN 106932192 A CN106932192 A CN 106932192A
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- Prior art keywords
- arm
- worm gear
- angle modulation
- adjustment arm
- maximum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention discloses a kind of maximum detection method from angle modulation of automotive adjusting arm, based on a kind of automatic braking-gap regulation arm detection means, including mounting and adjusting arm, parameter setting and effectively judgement, the method is by adjusting the course of work of the arm in the case where excess clearance condition is whether there is in simulated automotive brake process, during skidding is simulated, collect every time the rotational angle size and excess gap length of the interior worm gear of adjustment arm, it is compared by the rotational angle size and excess gap length of interior worm gear, draw the extreme angles of the interior worm gear wheel of adjustment arm, can be simple, effectively adjustment arm is maximum from angle modulation.
Description
Technical field
The present invention relates to a kind of functional detection method of vehicle component, and in particular to a kind of automotive adjusting arm is maximum certainly
The detection method of angle modulation.
Background technology
In use, frequently braking can cause the continuous abrasion of braking member, brake drum and shoe brake to automobile
Between brake clearance increase, cause brake-pedal travel lengthen, braking retardation and brake force reduction etc. potential safety hazard.To ensure
The security of driving, maintain pedal travel stablizes the equilibrium that worked and each brake between relatively, need to be using adjustment arm to braking
Gap is adjusted.Key part of the arm as brake system of car is adjusted, is to ensure that automobile brake perfrmance is long-term good
Key factor, so needing to detect the adjustment arm for dispatching from the factory.The maximum of adjustment arm is from angle modulation as the important skill for adjusting arm
Art index, now provides a kind of maximum detection method from angle modulation for adjusting arm.
The content of the invention
It is an object of the invention to provide a kind of maximum detection method from angle modulation of automotive adjusting arm, the method can be simple
Effectively measure the maximum from angle modulation of adjustment arm.
For achieving the above object, the technical scheme is that：A kind of maximum detection from angle modulation of automotive adjusting arm
Method, comprises the following steps：
Step one, mounting and adjusting arm, automatic braking-gap regulation arm detection means is installed on by adjustment arm, makes the interior snail of adjustment arm
Bar is parallel to ground；
Step 2, parameter setting, set adjustment arm interior worm gear can gyration size, interior worm gear can gyration be automobile system
Dynamic gap adjustment arm detection means allows the angle of interior worm gear wheel；
Step 3, determine actual maximum from angle modulation, rotate adjustment arm, if interior worm gear wheel angle be equal to interior worm gear can gyration,
Repeat step two to step 3, until interior worm gear wheel angle less than interior worm gear can gyration, this detection terminate, and interior worm gear tires out
Meter rotational angle is the actual maximum from angle modulation of the adjustment arm.
Further, the interior worm gear can gyration less than adjustment arm standard maximum from angle modulation, stopped for simulated automotive
Due to the excess gap of abrasion generation during car.
Further, the actual maximum standard maximum from angle modulation more than or equal to adjustment arm of the adjustment arm is from angle modulation.
The beneficial effects of the invention are as follows：It is maximum from angle modulation it is an object of the invention to provide a kind of simple, effective automotive adjusting arm
Detection method, the method is led to by adjusting the course of work of the arm in the case where excess clearance condition is whether there is in simulated automotive brake process
Cross constantly to adjusting the comparing of rotational angle and the excess gap length of the interior worm gear of arm, draw the interior worm gear wheel of adjustment arm
Extreme angles, can simply and effectively adjust the maximum from angle modulation of arm.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is testing agency's structural representation of the embodiment of the present invention；
Fig. 3 is the side view of the testing agency of the embodiment of the present invention；
Fig. 4 is the front view of the testing agency of the embodiment of the present invention；
Fig. 5 is the structural representation of turbine in the embodiment of the present invention；
Fig. 6 is the side view of turbine in the embodiment of the present invention；
Fig. 7 is the interior installation diagram of turbine end cap in the embodiment of the present invention；
Fig. 8 is detection method flow chart.
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below in conjunction with accompanying drawing.
As shown in figs. 1-7, a kind of automatic braking-gap regulation arm detection means, including electric cabinet 1, electric cabinet bottom is provided with
Lockable roller 12, electric cabinet 1 is provided with testing agency 2, and the testing agency 2 includes being arranged on the bottom of the upper surface of electric cabinet 1
Plate 3, base plate 3 is provided with detection components 4, Power Component 5, adjusting part 6,
The detection components 4 include being arranged on the fixed pedestal 41 of the upper surface of base plate 3, and fixed pedestal 41 is through with and fixed pedestal
41 limit shafts 48 for rotating connection, the one end of limit shaft 48 is provided with and is connected splined shaft 43, splined shaft 43 with the coaxial transmission of limit shaft 48
It is externally provided with and adjustment arm is set with outside axial arranged spline, splined shaft 43, adjusts the interior worm gear and spline engagement of arm, splined shaft 43
End is provided with movable bearing support 42, and movable bearing support 42 is rotated with splined shaft 43 and is connected, and the other end of limit shaft 48 is provided with and limit shaft 48
The worm gear 45 being coaxially disposed, worm gear 45 and fixed pedestal 41 are rotated and be connecteds, and worm gear 45 is interior to be provided with and be coaxially disposed with limit shaft 48
The detection block 47 that can radially wobble along the axle center of worm gear 45, detection block 47 and the axle of limit shaft 48 are provided with fan groove 46, fan groove 46
To being fixedly connected；
The Power Component 5 includes being arranged on the slideway 51 of the upper surface of base plate 3, and slideway 51 is axial arranged along limit shaft 48, slideway
Air cylinder fixed plate 52 is slidably connected on 51, air cylinder fixed plate 52 is provided with cylinder 53 and is fixed for fixing the cylinder of cylinder 53
Hole 55, the end of cylinder 53 be provided with can cylinder push-rod 54, cylinder push-rod 54 cuts with scissors through cylinder fixing hole 55 and with adjustment arm 44 bearing pin
Connect, under the dynamic action of cylinder 53 and cylinder push-rod 54, adjustment arm 44 drives limit shaft 48 to do along the low-angle circle of its axis
Arc is moved, and after the release of cylinder 53, adjustment arm 44 is returned in the dynamic cylinder push-rod 54 of self-regulated function lower band and limit shaft 48
Initial position；
The adjusting part 6 includes the worm screw pedestal 61 being arranged on base plate 3, is rotatably connected on worm screw pedestal 61 and worm gear 45
The worm screw 62 of engagement, worm screw 62 is connected by shaft coupling 63 with decelerator 64, and the input of decelerator 64 is connected with motor 65；As schemed
Shown in 6, worm screw 62 is ordered about by motor 65 and drives worm gear 45 to rotate, adjust the counter clockwise direction of detection block 47 and the side wall of fan groove 46
Angular dimension（I.e. adjustment arm interior worm gear can gyration）, the angle be in simulating reality automobile brake sheet because abrasion is produced
Raw excess gap length, the counter clockwise direction of detection block 47 touches fan-shaped groove sidewall and is without excess gap, and detection block 47 is inverse
Clockwise and fan-shaped groove sidewall have gap to be and there is excess gap；
PLC control centres 11 are provided with the electric cabinet 1（Do not marked in figure）, PLC control centres 11 respectively with cylinder 53 and electricity
Machine 65 is electrically connected；
For the ease of adjusting the installation and dismounting of arm 44, the movable bearing support 42 is used with the base plate 3 and is slidably connected, and is slided
Direction is identical with slideway direction；
Diaphragm type limit switch 49 is additionally provided with the fan groove 46, it is counterclockwise that diaphragm type limit switch 49 is arranged on detection block 47
On any tangent plane in direction and the sidewall contact face of fan groove 46, when the counter clockwise direction of detection block 47 is with 46 sidewall contact of fan groove,
Diaphragm type limit switch 49 is normal open state, when the counter clockwise direction of detection block 47 is not with 46 sidewall contact of fan groove, diaphragm type limit
Bit switch 49 is off-state；
In order to ensure detection terminate rear each component can parking position accuracy, the end of worm gear 45 install be fixedly and coaxially connected with worm gear 45
Worm gear end cap 401, is provided with torsion spring 402 in worm gear end cap 401, the one end of torsion spring 402 is fixedly connected with worm gear end cap 401, another
End is fixedly connected with detection block 47；
To ensure the stability of structure, limit shaft 48 is externally provided with the support tube 403 being fixedly connected with fixed pedestal 41, support tube
403 are externally provided with retainer ring 404 and anchor ear 405, and anchor ear 405 is fixedly connected with support tube 403 and is circumscribed with and air cylinder fixed plate 52
The fix bar 406 being fixedly connected, retainer ring 404 is fixedly connected with adjustment arm 44, for horizontal fixed adjustment arm 44.
According to the adjustment operation principle of arm 44, after 54 return of cylinder push-rod, though adjustment arm 44 returns to initial position, return
During should due to adjustment arm 44 from conditioning function, the position of limit shaft 48 should be consistent with return front position, detection block 47 should counterclockwise
Direction rotates and contacts the side wall of fan groove 46.
The device can be used to detect the maximum of adjustment arm 44 from angle modulation, as shown in figure 8, comprising the following steps：
Step one, mounting and adjusting arm 44, by the interior worm gear set of adjustment arm 44 to be detected loaded on splined shaft 43, rotate splined shaft 43
Ensure that the interior worm screw of adjustment arm 44, parallel to ground, is connected, horizontal fixed adjustment arm 44 by retainer ring 404 with adjustment arm 44,
The connecting hole and cylinder push-rod 54 that arm 44 will be adjusted again use hinge；Translation movable bearing support 42, by movable bearing support 42 and spline
The front end of axle 43 is attached, then is fixed on base plate 3 with key screw movable bearing support 42；
Step 2, the action frequency of cylinder 53 is set by PLC control centres 11, then by the motor 65 of PLC control centres 11,
Motor 65 by decelerator 64, shaft coupling 63, worm screw 62 rotate worm gear 45, regulation adjustment arm 44 interior worm gear can gyration,
The interior worm gear can gyration it is maximum from angle modulation no more than adjustment arm 44；
Step 3, cylinder 53 are acted by the action frequency for setting, and treat that the action of cylinder 53 is finished, the return of cylinder push-rod 54
Afterwards, as shown in fig. 6, the on off operating mode of observation diaphragm type limit switch 49, if normal open state, repeat step two to step 3,
Until diaphragm type limit switch 49 goes off state, then judge that the adjustment arm 44 has failed from conditioning function, this time test knot
Beam, the accumulative anglec of rotation as adjustment arm 44 of the turbine 45 that PLC control centres 11 record it is maximum from angle modulation.
Described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the present invention.
Claims (3)
1. the maximum detection method from angle modulation of a kind of automotive adjusting arm, it is characterised in that comprise the following steps：
Step one, mounting and adjusting arm, automatic braking-gap regulation arm detection means is installed on by adjustment arm, makes the interior snail of adjustment arm
Bar is parallel to ground；
Step 2, parameter setting, set adjustment arm interior worm gear can gyration size, interior worm gear can gyration be automobile system
Dynamic gap adjustment arm detection means allows the angle of interior worm gear wheel；
Step 3, determine actual maximum from angle modulation, rotate adjustment arm, if interior worm gear wheel angle be equal to interior worm gear can gyration,
Repeat step two to step 3, until interior worm gear wheel angle less than interior worm gear can gyration, this detection terminate, and interior worm gear tires out
Meter rotational angle is the actual maximum from angle modulation of the adjustment arm.
2. the maximum detection method from angle modulation of a kind of automotive adjusting arm according to claim 1, it is characterised in that in described
Worm gear can gyration less than adjustment arm standard maximum from angle modulation, for what is produced due to abrasion in simulated automotive brake process
Excess gap.
3. a kind of maximum detection method from angle modulation of automotive adjusting arm according to claim 1, it is characterised in that the tune
The actual maximum standard maximum from angle modulation more than or equal to adjustment arm of whole arm is from angle modulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256262.8A CN106932192B (en) | 2017-04-19 | 2017-04-19 | A kind of detection method of automotive adjusting arm maximum from angle modulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256262.8A CN106932192B (en) | 2017-04-19 | 2017-04-19 | A kind of detection method of automotive adjusting arm maximum from angle modulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106932192A true CN106932192A (en) | 2017-07-07 |
| CN106932192B CN106932192B (en) | 2019-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710256262.8A Active CN106932192B (en) | 2017-04-19 | 2017-04-19 | A kind of detection method of automotive adjusting arm maximum from angle modulation |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216374A (en) * | 2007-12-27 | 2008-07-09 | 瑞立集团瑞安汽车零部件有限公司 | Automatic gap adjusting arm detection and adjusting apparatus |
| CN201273833Y (en) * | 2008-08-29 | 2009-07-15 | 重庆前卫仪表厂 | Installation construction for membrane type fuel gas meter error regulating mechanism |
| CN103115782A (en) * | 2013-01-29 | 2013-05-22 | 杭州沃镭科技有限公司 | Detection assembly line used for comprehensive performance testing of adjusting arm |
| CN103115781A (en) * | 2013-01-29 | 2013-05-22 | 中国计量学院 | Testing device for normal-temperature durability of automatic brake clearance adjusting arms of automobiles |
| CN103115600A (en) * | 2013-01-29 | 2013-05-22 | 中国计量学院 | Testing device for free clearances of automatic brake clearance adjusting arms of automobiles |
| KR20150045733A (en) * | 2013-10-21 | 2015-04-29 | 상신브레이크주식회사 | Device for testing automatic adjuster of brake system |
| CN205371405U (en) * | 2016-01-21 | 2016-07-06 | Bpw(梅州）车轴有限公司 | Detection apparatus for automatic adjustment arm |
-
2017
- 2017-04-19 CN CN201710256262.8A patent/CN106932192B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216374A (en) * | 2007-12-27 | 2008-07-09 | 瑞立集团瑞安汽车零部件有限公司 | Automatic gap adjusting arm detection and adjusting apparatus |
| CN201273833Y (en) * | 2008-08-29 | 2009-07-15 | 重庆前卫仪表厂 | Installation construction for membrane type fuel gas meter error regulating mechanism |
| CN103115782A (en) * | 2013-01-29 | 2013-05-22 | 杭州沃镭科技有限公司 | Detection assembly line used for comprehensive performance testing of adjusting arm |
| CN103115781A (en) * | 2013-01-29 | 2013-05-22 | 中国计量学院 | Testing device for normal-temperature durability of automatic brake clearance adjusting arms of automobiles |
| CN103115600A (en) * | 2013-01-29 | 2013-05-22 | 中国计量学院 | Testing device for free clearances of automatic brake clearance adjusting arms of automobiles |
| KR20150045733A (en) * | 2013-10-21 | 2015-04-29 | 상신브레이크주식회사 | Device for testing automatic adjuster of brake system |
| CN205371405U (en) * | 2016-01-21 | 2016-07-06 | Bpw(梅州）车轴有限公司 | Detection apparatus for automatic adjustment arm |
Non-Patent Citations (1)
| Title |
|---|
| 邱国锋: "汽车自动间隙调整臂性能测试台研制", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
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| CN106932192B (en) | 2019-04-09 |
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