CN106932192B - A kind of detection method of automotive adjusting arm maximum from angle modulation - Google Patents
A kind of detection method of automotive adjusting arm maximum from angle modulation Download PDFInfo
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- CN106932192B CN106932192B CN201710256262.8A CN201710256262A CN106932192B CN 106932192 B CN106932192 B CN 106932192B CN 201710256262 A CN201710256262 A CN 201710256262A CN 106932192 B CN106932192 B CN 106932192B
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- worm gear
- arm
- angle modulation
- adjustment arm
- interior
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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
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention discloses a kind of automotive adjusting arm maximums from the detection method of angle modulation, based on a kind of automatic braking-gap regulation arm detection device, including mounting and adjusting arm, parameter setting and effectively judgement, this method is by adjustment arm in simulated automotive brake process whether there is or not the courses of work under excess clearance condition, during simulating brake, collect the rotational angle size and excess gap size of the interior worm gear of adjustment arm every time, it is compared by the rotational angle size of interior worm gear with excess gap size, obtain the extreme angles of the interior worm gear rotation of adjustment arm, it can be simple, effectively adjust the maximum from angle modulation of arm.
Description
Technical field
The present invention relates to a kind of functional detection methods of vehicle component, and in particular to a kind of automotive adjusting arm maximum from
The detection method of angle modulation.
Background technique
In use, frequent braking will lead to the continuous abrasion of braking member, brake drum and shoe brake to automobile
Between brake clearance increase, cause brake-pedal travel to lengthen, the security risks such as braking retardation and brake force reduce.To guarantee
The safety of driving maintains the equilibrium that works between the relatively stable and each brake of pedal travel, and adjustment arm need to be used to braking
Gap is adjusted.Key part of the arm as brake system of car is adjusted, is to guarantee that automobile brake perfrmance is good for a long time
Key factor, so needing to detect the adjustment arm of factory.Adjust the maximum important skill from angle modulation as adjustment arm of arm
Art index now provides a kind of maximum detection method from angle modulation of adjustment arm.
Summary of the invention
The object of the present invention is to provide a kind of automotive adjusting arm maximums from the detection method of angle modulation, which 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 automotive adjusting arm maximum is from the detection of angle modulation
Method, comprising the following steps:
Step 1: mounting and adjusting arm, is installed on automatic braking-gap regulation arm detection device for adjustment arm, makes to adjust arm
Interior worm screw is parallel to ground；
Step 2: parameter setting, the interior worm gear of setting adjustment arm can gyration size, interior worm gear can gyration be vapour
Vehicle brake clearance adjusts the angle that arm detection device allows interior worm gear to rotate；
Step 3: measuring practical maximum from angle modulation, rotation adjustment arm, if interior worm gear rotational angle can corner equal to interior worm gear
Degree repeats step 2 to step 3, until interior worm gear rotational angle be less than interior worm gear can gyration, which terminates, interior snail
Taking turns accumulative rotational angle is the practical maximum from angle modulation of the adjustment arm；
The automatic braking-gap regulation arm detection device includes detection components, and detection components include fixed pedestal, fixed
Pedestal is through with the limit shaft with fixed pedestal rotation connection, and limit shaft one end, which is equipped with, connect spline with limit shaft coaxial transmission
Axis, splined shaft are externally provided with the spline axially arranged, spline outer shaft sleeve adjusts the interior worm gear and spline engagement of arm equipped with adjustment arm,
Spline shaft end is equipped with movable bearing support, and movable bearing support and splined shaft are rotatablely connected, and the limit shaft other end is equipped with coaxial with limit shaft
The worm gear of setting, worm gear and fixed pedestal are rotatablely connected, and are equipped with the fan groove being coaxially disposed with limit shaft in worm gear, in fan groove
Equipped with can be connect along the detection block that worm gear axle center radially wobbles, detection block with limit shaft axial restraint；Pass through revolving wormgear
Detection block is adjusted counterclockwise with the angular dimension of fan-shaped groove sidewall, i.e., worm gear can gyration in adjustment arm.
Further, the interior worm gear can gyration be less than adjustment arm standard maximum from angle modulation, stop for simulated automotive
Due to the excess gap of abrasion generation during vehicle.
Further, the practical of the adjustment arm maximum is greater than or equal to the standard maximum of adjustment arm from angle modulation from angle modulation.
The beneficial effects of the present invention are: the object of the present invention is to provide a kind of simple, effective automotive adjusting arm maximum from
Angle modulation detection method, this method is by adjustment arm in simulated automotive brake process whether there is or not worked under excess clearance condition
Journey obtains the interior worm gear of adjustment arm through the rotational angle of the interior worm gear constantly to adjustment arm compared with excess gap size
The extreme angles of rotation can simply and effectively adjust the maximum from angle modulation of arm.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is testing agency's structural schematic diagram 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 schematic diagram 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
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
As shown in figs. 1-7, a kind of automatic braking-gap regulation arm detection device, including electric cabinet 1, electric cabinet bottom are equipped with
Lockable idler wheel 12, electric cabinet 1 are equipped with testing agency 2, and the testing agency 2 includes the bottom that 1 upper surface of electric cabinet is arranged in
Plate 3, bottom plate 3 are equipped with detection components 4, Power Component 5, adjust component 6,
The detection components 4 include the fixed pedestal 41 that 3 upper surface of bottom plate is arranged in, and fixed pedestal 41 is through with and fixes
The limit shaft 48 that pedestal 41 is rotatablely connected, 48 one end of limit shaft, which is equipped with, connect splined shaft 43, spline with 48 coaxial transmission of limit shaft
Axis 43 is externally provided with the spline axially arranged, is set with adjustment arm outside splined shaft 43, adjusts the interior worm gear and spline engagement of arm, spline
43 end of axis is equipped with movable bearing support 42, and movable bearing support 42 and splined shaft 43 are rotatablely connected, and 48 other end of limit shaft is equipped with and limit
The worm gear 45 that axis 48 is coaxially disposed, worm gear 45 and fixed pedestal 41 are rotatablely connected, and are equipped in worm gear 45 and are coaxially set with limit shaft 48
The fan groove 46 set, interior be equipped with of fan groove 46 can be along the detection block 47 that 45 axle center of worm gear radially wobbles, detection block 47 and limit shaft
The connection of 48 axial restraints；
The Power Component 5 includes the slideway 51 that 3 upper surface of bottom plate is arranged in, and slideway 51 is axially arranged along limit shaft 48,
Air cylinder fixed plate 52 is slidably connected on slideway 51, air cylinder fixed plate 52 is equipped with cylinder 53 and the cylinder for fixing cylinder 53
Fixation hole 55,53 end of cylinder be equipped with can cylinder push-rod 54, cylinder push-rod 54 pass through cylinder fixation hole 55 and with adjustment arm 44 sell
Axis is hinged, and under the effect of the power of cylinder 53 and cylinder push-rod 54, adjustment arm 44 drives limit shaft 48 to do along the small angle of its axis
Circular motion is spent, after cylinder 53 acts, adjustment arm 44 drives cylinder push-rod 54 and limit shaft 48 under self-regulated function
Return to initial position；
The component 6 that adjusts includes the worm screw pedestal 61 that is arranged on bottom plate 3, is rotatably connected on worm screw pedestal 61 and snail
The worm screw 62 of 45 engagement of wheel, worm screw 62 are connect by shaft coupling 63 with retarder 64, and 64 input terminal of retarder is connected with motor 65；
As shown in fig. 6, driving worm screw 62 that worm gear 45 is driven to rotate by motor 65,47 counter clockwise direction of detection block and fan groove 46 are adjusted
The angular dimension (i.e. the interior worm gear of adjustment arm can gyration) of side wall, the angle simulate in reality automotive brake pads due to mill
The excess gap size generated is damaged, it is without excess gap, detection block that 47 counter clockwise direction of detection block, which touches fan-shaped groove sidewall,
47 counter clockwise directions and fan-shaped groove sidewall have the gap as there are excess gaps；
Be equipped with PLC control centre 11 (not marking in figure) in the electric cabinet 1, PLC control centre 11 respectively with cylinder 53
It is electrically connected with motor 65；
For the ease of adjusting the installation and dismounting of arm 44, the movable bearing support 42 is used with the bottom plate 3 and is slidably connected, and
Glide direction is identical as slideway direction；
Diaphragm type limit switch 49 is additionally provided in the fan groove 46, the setting of diaphragm type limit switch 49 is inverse in detection block 47
On any section of clockwise and 46 side wall contact surface of fan groove, 47 counter clockwise direction of detection block is contacted with 46 side wall of fan groove
When, diaphragm type limit switch 49 is normal open state, when detection block 47 does not contact counterclockwise with 46 side wall of fan groove, diaphragm type
Limit switch 49 is off-state；
After in order to guarantee detection each component can parking position accuracy, installation and the coaxial fixation of worm gear 45 in 45 end of worm gear
The worm gear end cap 401 of connection, worm gear end cap 401 is interior to be equipped with torsional spring 402, and 402 one end of torsional spring is fixedly connected with worm gear end cap 401,
The other end is fixedly connected with detection block 47；
For the stability for guaranteeing structure, limit shaft 48 is externally provided with the support tube 403 being fixedly connected with fixed pedestal 41, supports
Pipe 403 is externally provided with fixed 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 fixed links 406 being fixedly connected, fixed ring 404 are fixedly connected with adjustment arm 44, adjust arm 44 for laterally fixed.
According to adjustment 44 working principle of arm, after 54 return of cylinder push-rod, though adjustment arm 44 returns to initial position, return
In the process should be since adjustment arm 44 to be from conditioning function, 48 position of limit shaft should be consistent with return front position, and detection block 47 should be counterclockwise
Direction rotates and contacts 46 side wall of fan groove.
The device can be used for detecting the maximum of adjustment arm 44 from angle modulation, as shown in Figure 8, comprising the following steps:
Step 1: mounting and adjusting arm 44 rotates spline by the interior worm gear set of adjustment arm 44 to be detected loaded on splined shaft 43
Axis 43 guarantees that the interior worm screw of adjustment arm 44 is parallel to ground, is connect by fixed ring 404 with adjustment arm 44, laterally fixed adjustment arm
44, then the connecting hole and cylinder push-rod 54 that adjust arm 44 is hinged with pin shaft；Movable bearing support 42 is translated, by movable bearing support 42 and flower
43 front end of key axis is attached, then is fixed on bottom plate 3 with key screw movable bearing support 42；
Step 2: 53 action frequency of cylinder is arranged by PLC control centre 11, then electricity is driven by PLC control centre 11
Machine 65, motor 65 rotate worm gear 45 by retarder 64, shaft coupling 63, worm screw 62, adjust turning for the interior worm gear of adjustment arm 44
Angle, the interior worm gear can gyration be no more than the maximum from angle modulation of adjustment arm 44；
Step 3: cylinder 53 is acted by the action frequency set, finished to the movement of cylinder 53, cylinder push-rod 54 returns
Behind position, as shown in fig. 6, the on off operating mode of observation diaphragm type limit switch 49 repeats step 2 to step if normal open state
Three, until diaphragm type limit switch 49 goes off state, then determine that the adjustment arm 44 is no longer valid from conditioning function, the secondary test
Terminate, the accumulative rotation angle for the turbine 45 that PLC control centre 11 records is the maximum from angle modulation of the adjustment arm 44.
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to the scope of the present invention.
Claims (3)
1. a kind of automotive adjusting arm maximum is from the detection method of angle modulation, which comprises the following steps:
Step 1: mounting and adjusting arm, is installed on automatic braking-gap regulation arm detection device for adjustment arm, makes the interior snail for adjusting arm
Bar is parallel to ground；
Step 2: parameter setting, the interior worm gear of setting adjustment arm can gyration size, interior worm gear can gyration be automobile system
The angle that dynamic gap adjustment arm detection device allows interior worm gear to rotate；
Step 3: measurement is practical maximum from angle modulation, rotation adjustment arm, if interior worm gear rotational angle be equal to interior worm gear can gyration,
Step 2 is repeated to step 3, until interior worm gear rotational angle be less than interior worm gear can gyration, which terminates, and interior worm gear is tired
Counting rotational angle is the practical maximum from angle modulation of the adjustment arm；
The automatic braking-gap regulation arm detection device includes detection components, and detection components include fixed pedestal, fixed pedestal
It is through with the limit shaft with fixed pedestal rotation connection, limit shaft one end, which is equipped with, connect splined shaft with limit shaft coaxial transmission, flower
Key axis is externally provided with the spline axially arranged, spline outer shaft sleeve adjusts the interior worm gear and spline engagement of arm, splined shaft equipped with adjustment arm
End is equipped with movable bearing support, movable bearing support and splined shaft are rotatablely connected, and the limit shaft other end is equipped with to be coaxially disposed with limit shaft
Worm gear, worm gear and fixed pedestal are rotatablely connected, and the fan groove being coaxially disposed with limit shaft are equipped in worm gear, being equipped in fan groove can
The detection block radially wobbled along worm gear axle center, detection block are connect with limit shaft axial restraint；It is by rotation of worm gear, i.e., adjustable
Detection block is counterclockwise with the angular dimension of fan-shaped groove sidewall, i.e., worm gear can gyration in adjustment arm.
2. a kind of automotive adjusting arm maximum according to claim 1 is from the detection method of angle modulation, which is characterized in that in described
Worm gear can gyration be less than the standard maximum of adjustment arm from angle modulation, for what is generated in simulated automotive brake process due to abrasion
Excess gap.
3. a kind of automotive adjusting arm maximum according to claim 1 is from the detection method of angle modulation, which is characterized in that the tune
The practical of whole arm maximum is greater than or equal to the standard maximum of adjustment arm from angle modulation 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 |
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| Publication Number | Publication Date |
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| CN106932192A CN106932192A (en) | 2017-07-07 |
| CN106932192B true CN106932192B (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN205371405U (en) * | 2016-01-21 | 2016-07-06 | Bpw(梅州）车轴有限公司 | Detection apparatus for automatic adjustment arm |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100592055C (en) * | 2007-12-27 | 2010-02-24 | 瑞立集团瑞安汽车零部件有限公司 | Automatic gap adjusting arm detection and adjusting apparatus |
| 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 |
| CN103115782B (en) * | 2013-01-29 | 2015-04-29 | 杭州沃镭科技有限公司 | Detection assembly line used for comprehensive performance testing of adjusting arm |
| CN103115600B (en) * | 2013-01-29 | 2016-02-17 | 中国计量学院 | A kind of arm for adjusting automobile brake clearance automatically free clearance proving installation |
| KR101525898B1 (en) * | 2013-10-21 | 2015-06-03 | 상신브레이크(주) | Device for testing automatic adjuster of brake system |
-
2017
- 2017-04-19 CN CN201710256262.8A patent/CN106932192B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN205371405U (en) * | 2016-01-21 | 2016-07-06 | Bpw(梅州）车轴有限公司 | Detection apparatus for automatic adjustment arm |
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| CN106932192A (en) | 2017-07-07 |
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