CN106950050B - Brake-pedal travel measuring device - Google Patents
Brake-pedal travel measuring device Download PDFInfo
- Publication number
- CN106950050B CN106950050B CN201710187370.4A CN201710187370A CN106950050B CN 106950050 B CN106950050 B CN 106950050B CN 201710187370 A CN201710187370 A CN 201710187370A CN 106950050 B CN106950050 B CN 106950050B
- Authority
- CN
- China
- Prior art keywords
- displacement meter
- fixing clamp
- brake
- pull rod
- goniometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The invention discloses a kind of brake-pedal travel measuring devices, comprising: displacement meter, the displacement meter include pull rod and casing；The head of the pull rod is fixed on brake pedal, and the tail portion of the pull rod is arranged in described sleeve pipe and can slide axially in described sleeve pipe；Goniometer, the goniometer are equipped with outer corner measurement mechanism and connecting column；One end of displacement meter fixing clamp, the displacement meter fixing clamp is connect with the outer corner measurement mechanism, and the other end of the displacement meter fixing clamp is clamped in described sleeve pipe；The adjustment mechanism being fixed in mounting seat, the adjustment mechanism are connect with the connecting column, for adjusting the position of the goniometer.In actual use, easily the present invention can be mounted on cabin floor, and by adjusting the position of mechanical flexibility setting displacement meter, and accurate brake-pedal travel is obtained by straight-line displacement and rotation angle.
Description
Technical field
The present invention relates to pedal performance test field more particularly to a kind of brake-pedal travel measuring devices.
Background technique
The braking system manipulation device one of most important and most frequent in vehicle drive as driver, always all by
Concern, therefore, is also increasingly taken seriously for brake pedal handling and quality analysis.
The key parameter of brake pedal handling test evaluation first is that pedal travel, measurement result not only need standard
Really reflection driver's use state, and to one of the main foundation that braking efficiency is demarcated.Traditional automobile brake pedal
Stroke measurment is to be realized by stay-supported type displacement sensor, but usually brake pedal is fixed by connecting rod and vehicle body, because
This, the actual motion track of brake pedal can be regarded as the circular motion using fixing end as the center of circle, i.e. pedal travel is one section
Camber line displacement, however stay-supported type displacement sensor can only measure linear distance, be unable to measure camber line, therefore, pass through stay-supported position
Displacement sensor can only approximate measure brake pedal stroke, there is deviation so as to cause measurement accuracy, and then influence to Brake Energy
The evaluation of power；In addition, driving, indoor location stay-supported type displacement sensor is complex, or even also needs pair due to vehicle difference
Vehicle is centainly dismantled or is destroyed, thus causes working efficiency low, is unable to satisfy test demand.
Summary of the invention
The object of the present invention is to provide a kind of brake-pedal travel measuring devices, can easily and accurately obtain vehicle system
Dynamic pedal travel data.
The technical solution adopted by the invention is as follows:
A kind of brake-pedal travel measuring device, comprising: displacement meter, the displacement meter include pull rod and casing；The drawing
The head of bar is fixed on brake pedal, and the tail portion of the pull rod is arranged in described sleeve pipe and can be in described sleeve pipe along axis
To sliding；Goniometer, the goniometer are equipped with outer corner measurement mechanism and connecting column；Displacement meter fixing clamp, the displacement meter are solid
One end of clamp is connect with the outer corner measurement mechanism, and the other end of the displacement meter fixing clamp is clamped in described sleeve pipe；When
When brake pedal moves, the displacement meter is rotated using retaining part as the center of circle and the displacement meter fixing clamp is driven to rotate, described
Outer corner measurement mechanism indicates the rotation angle of the displacement meter according to the rotation of the displacement meter fixing clamp；It is fixed on installation
Adjustment mechanism on pedestal, the adjustment mechanism are connect with the connecting column, for adjusting the position of the goniometer.
Preferably, the adjustment mechanism include: the first adjustment bar, the first fixing clamp, second adjustment bar, the second fixing clamp with
And fixing seat；The connecting column is connect by first fixing clamp with one end of the first adjustment bar, the first adjustment
The other end of bar is connect by second fixing clamp with the second adjustment bar, and the second adjustment bar is mounted on the fixation
On seat, the fixing seat is fixed in the mounting seat；Adjust position of first fixing clamp on the first adjustment bar
It sets and/or position of second fixing clamp on the second adjustment bar, the position of the goniometer can be adjusted.
Preferably, the pull rod is equipped with scale.
Preferably, the mounting seat is equipped with the magnet for being attracted with cabin floor.
Preferably, the head of the pull rod is connected to the medium position of the side of brake pedal.
Compared to traditional stay-supported type displacement sensor, the present invention measures the straight line of brake pedal by telescopic displacement
Shift length, and the rotation angle of brake pedal is measured by angle, so as to obtain accurate brake-pedal travel；?
By the way that magnet is arranged in mounting seat in a preferred embodiment of the invention, so that the device and cabin floor can be directly attracted admittedly
Fixed, on the other hand, the present invention is also provided with adjustment mechanism, convenient for the relative position of the present invention with brake pedal is adjusted flexibly, from
And handling that is convenient, fast and accurately testing vehicle brake pedal is enabled the invention to, without appointing to test vehicle
What is changed, and testing efficiency and accuracy is effectively promoted.
Detailed description of the invention
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step description, in which:
Fig. 1 is the structural schematic diagram of the embodiment of brake-pedal travel measuring device provided by the invention；
Fig. 2 is the schematic illustration for calculating brake-pedal travel.
Description of symbols:
1 displacement meter, 101 pull rod, 102 casing, 2 goniometer, 201 outer corner measurement mechanism
202 connecting column, 3 displacement meter fixing clamp, 4 the first adjustment bar, 5 second adjustment bar
6 first 9 mounting seat of fixing clamp 7 second fixing clamp, 8 fixing seat, 10 brake pedal
11 pedal dynamics meter E witness mark F fixing ends of the present invention
X1, X2: the position of brake pedal
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
The present invention provides a kind of embodiments of brake-pedal travel measuring device, as shown in Figure 1, comprising: displacement meter 1,
Goniometer 2, mounting seat 9 and the adjustment mechanism (not shown) being fixed in mounting seat 9.Wherein, displacement meter 1 mainly by
Pull rod 101 and casing 102 form, and the head of pull rod 101 is fixed on brake pedal 10, and fixed form can be conventional appoint
A kind of what mode, such as screw connection manner is used shown in figure, what needs to be explained here is that make subsequent calculating tend to be accurate,
It is contemplated that the head of pull rod 101 to be fixed on to the medium position of a side of brake pedal 10；Then, the tail of pull rod 101
Portion is then arranged in casing 102, and can in casing 102 sliding axially along pull rod 101, by above-mentioned set-up mode,
Substantial displacement meter 1 of the present invention can be understood as telescopic structure, i.e., when brake pedal 10 moves, pull rod
101 can be stretched, and effect is to measure the straight-line displacement of brake pedal 10, it may be considered that setting distance is carved on pull rod 101
Degree, increases the readability of displacement data；
It connects above, goniometer 2 is equipped with outer corner measurement mechanism 201 and connecting column 202；One end of displacement meter fixing clamp 3
It is connect with outer corner measurement mechanism 201, the other end is then clamped in described sleeve pipe 102；The present invention uses fixture method of clamping,
, can also be using fixing modes or non-removable fixed connection mode etc. such as interference fits in practical operation, the purpose is to make to cover
Pipe 102 and the positional relationship of displacement meter fixing clamp 3 are opposing stationary；Here it supplements a bit, for convenient for measurement, it may be considered that make to clamp
Position (i.e. the tie point of the two) is close to the tail portion of casing 102；And one end of displacement meter fixing clamp 3 and outer corner measurement mechanism 201
Connection type be also possible to multiplicity, for example, displacement meter fixing clamp 3 is plugged in the slot of outer corner measurement mechanism 201, the two
Linkage rotation；In another embodiment of the present invention, outer corner measurement mechanism 201 is transparent casing structure, displacement meter fixing clamp 3
It is plugged among the housing, can see the rotation status of displacement meter fixing clamp 3 through the housing；Or it is also conceivable to displacement
It counts fixing clamp 3 and outer corner measurement mechanism 201 is integral structure etc., but no matter which kind of connection relationship used, it is identical for acting on,
I.e. when brake pedal 10 moves, displacement meter 1 is rotated by the center of circle of clamped position, while displacement meter fixing clamp 3 being driven to rotate,
And outer corner measurement mechanism 201 can indicate or directly measure the rotation angle of displacement meter 1 according to the rotation of displacement meter fixing clamp 3,
It therefore, can be on outer corner measurement mechanism 201, goniometer 2 or displacement meter fixing clamp 3 according to above-mentioned various connection types
Corresponding angle index and cue mark are set, reads rotation angle to assist, it should be noted that, is measured here for guarantee
Accurately, the High-precision angle measuring device that goniometer 2 can be high using scale degree of differentiation；
Then, the adjustment mechanism being fixed in mounting seat 9 is connected with the connecting column 202 of goniometer 2, so that goniometer 2
It is relatively fixed with the position of mounting seat 9, that is, in using the present invention, the component for actually occurring movement only has: displacement meter 1
Pull rod 101 stretch out and the rotation of displacement meter 1 drives displacement meter fixing clamp 3 and (or) outer corner measurement mechanism 201 to rotate；And it adjusts
The effect of complete machine structure is before using the present invention, and setting adjusts the angle 2 (and displacement meters 1 connected to it) of meter and brake pedal
10 positional relationship.
Specifically, the adjustment mechanism can be structure shown in Fig. 1: the first adjustment bar 4, the first fixing clamp 6, second
Adjust bar 5, the second fixing clamp 7 and fixing seat 8；Wherein, 6 one end of the first fixing clamp is clamped in the connecting column 202 of goniometer 2
On, the other end is connect with one end of the first adjustment bar 4, and the first fixing clamp 6 can move on the first adjustment bar 4；And the
The other end of one adjustment bar 4 then passes through the second fixing clamp 7 and connect with second adjustment bar 5, and the second fixing clamp 7 can be second
It is moved on adjustment bar 5；It is to be herein pointed out fixture method of clamping is still used in the present embodiment, its advantage is that being convenient for
It assembles and adjustable convenient for rotating；Then, the both ends of the second adjustment bar 5 are separately mounted in fixing seat 8, and fixing seat 8 is then
It is to be fixed in mounting seat 9, then referring to FIG. 1, the first adjustment bar 4 and second adjustment bar 5 are in Relative vertical relationship；Pass through
Above-mentioned set-up mode changes the position angle etc. of two fixing clamps, so that it may about 2 flexible angle adjustment meter, left and right and it is preceding
Position afterwards.
About the connection type of the present invention and vehicle body, in another embodiment, magnetic is equipped in mounting seat 9
The present invention directly can firmly be fixed with cabin plate in test, reach and be easily installed disassembly, without destroying vehicle by iron
The present apparatus can be specifically fixed on the floor below the foot pad at driver by the purpose of interior structure.
Above-mentioned is the structure setting of the embodiment of the present invention, needs to particularly point out, in practical applications, for convenient for survey
Amount, calculating and the analysis of subsequent data etc., displacement meter 1 and goniometer 2 of the present invention may each be electrical equipment, such as position
Displacement sensor and angular transducer, the two are connect with electric signals such as analysis instruments, and the displacement of acquisition or rotating mould analog quantity are turned
Analysis instrument is sent to for digital signal to be handled；In addition, also showing pedal dynamics meter 11 in Fig. 1, it is mounted on system
On dynamic pedal 10, in this way, analysis instrument can obtain displacement signal and pedal force letter simultaneously when depression of brake pedal 10
Number, required data are tested convenient for obtaining the two integrated use.
Below in conjunction with shown in Fig. 2, the working principle of the invention is illustrated: being arranged according to above-mentioned component and described, incite somebody to action this
Invention is fixed in vehicle drive room, and the drawing of the pull rod 101 of displacement meter 1 in initial setting up, can also be made in implementation process
The displacement tangential in direction Yu brake pedal 10 is stretched, specifically, brake pedal 10 is in position X1, the stretching of pull rod 101
The displacement tangential that direction and brake pedal 10 will generate, at this point, measuring distance a (those skilled in the art by displacement meter
Member is it is understood that witness mark E of the present invention is the position clamped on casing 102 of displacement meter fixing clamp 3)；When
When brake pedal 10 moves to position X2, the extension of pull rod 102 of displacement meter 1 measures distance b, and at the same time, displacement meter 1 is to clamp
Position is center of circle rotation, and it is θ that goniometer 2, which measures rotation angle,；According to the cosine law, it can pedal position is obtained by calculation
The distance between X1 and position X2 c；As it is clear from fig. 2 that distance c is the round fortune illusory around its fixing end F of brake pedal 10
One section of chord length on dynamic rail mark, and the actual motion path of brake pedal 10 be with the chord length (the corresponding circular arc of distance c), by
Differential Principle is it is found that when (when distance c) is sufficiently small, chord length is approximately equal with arc length, therefore, can be acquired by integration method for chord length
Position X1 is to the arc length of position X2, the i.e. exact shift of brake pedal 10, in actual operation, high-precision angle can be selected
Meter, makes the counting accuracy of shift value more preferably；Certainly, above-mentioned all calculating process can also can be compiled algorithm by being accomplished manually
It is written as program, by calculation process such as subsequent analysis instruments, which is not limited by the present invention.
Finally it is pointed out that structure and working principle of the invention, not just for brake pedal, in measurement work
When making clutch pedal similar in principle and gas pedal, the present invention is still applicable in.
Structure, feature and effect of the invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to structure of the invention
Think made change or equivalent example modified to equivalent change, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (4)
1. a kind of brake-pedal travel measuring device characterized by comprising
Displacement meter, the displacement meter include pull rod and casing；The head of the pull rod is fixed on brake pedal, the pull rod
Tail portion is arranged in described sleeve pipe and can slide axially in described sleeve pipe, and the pull rod is equipped with scale；
Goniometer, the goniometer are equipped with outer corner measurement mechanism and connecting column；
One end of displacement meter fixing clamp, the displacement meter fixing clamp is connect with the outer corner measurement mechanism, and the displacement meter is fixed
The other end of folder is clamped in described sleeve pipe；When brake pedal movement, the displacement meter rotates simultaneously by the center of circle of retaining part
The displacement meter fixing clamp is driven to rotate, the outer corner measurement mechanism indicates institute according to the rotation of the displacement meter fixing clamp
State the rotation angle of displacement meter；
The adjustment mechanism being fixed in mounting seat, the adjustment mechanism are connect with the connecting column, for adjusting the angle
The position of meter.
2. brake-pedal travel measuring device according to claim 1, which is characterized in that the adjustment mechanism includes:
The first adjustment bar, the first fixing clamp, second adjustment bar, the second fixing clamp and fixing seat；
The connecting column is connect by first fixing clamp with one end of the first adjustment bar, the first adjustment bar it is another
One end is connect by second fixing clamp with the second adjustment bar, and the second adjustment bar is installed on the fixing seat,
The fixing seat is fixed in the mounting seat；
Position and/or second fixing clamp of first fixing clamp on the first adjustment bar is adjusted to adjust described second
Position on whole bar can adjust the position of the goniometer.
3. brake-pedal travel measuring device according to claim 1, which is characterized in that the mounting seat, which is equipped with, to be used
In the magnet being attracted with cabin floor.
4. described in any item brake-pedal travel measuring devices according to claim 1~3, which is characterized in that the pull rod
Head is connected to the medium position of the side of brake pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187370.4A CN106950050B (en) | 2017-03-24 | 2017-03-24 | Brake-pedal travel measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187370.4A CN106950050B (en) | 2017-03-24 | 2017-03-24 | Brake-pedal travel measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106950050A CN106950050A (en) | 2017-07-14 |
| CN106950050B true CN106950050B (en) | 2018-12-21 |
Family
ID=59473766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710187370.4A Expired - Fee Related CN106950050B (en) | 2017-03-24 | 2017-03-24 | Brake-pedal travel measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106950050B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727033A (en) * | 2017-10-27 | 2018-02-23 | 燕山大学 | A kind of automobile pedal travel test device and method |
| CN109520456A (en) * | 2018-03-16 | 2019-03-26 | 陕西飞机工业（集团）有限公司 | A kind of measuring device of operating mechanism |
| CN108955602A (en) * | 2018-07-27 | 2018-12-07 | 中国汽车技术研究中心有限公司 | A kind of clamping device of adjustable pedal displacement sensor for pull rope |
| CN109115148B (en) * | 2018-09-27 | 2023-05-16 | 长春一东离合器股份有限公司 | Automobile pedal travel testing device |
| CN111016856A (en) * | 2019-11-15 | 2020-04-17 | 中国北方车辆研究所 | Rapid fixing device for pedal stroke sensor of wheeled vehicle |
| CN113029077A (en) * | 2019-12-25 | 2021-06-25 | 北京宝沃汽车股份有限公司 | Pedal travel testing method and system |
| CN111473757A (en) * | 2020-04-10 | 2020-07-31 | 一汽奔腾轿车有限公司 | Pedal travel data compensation method in braking test |
| CN111562115B (en) * | 2020-05-28 | 2021-06-08 | 安徽江淮汽车集团股份有限公司 | Clutch pedal operability measuring device |
| CN111721253B (en) * | 2020-06-28 | 2021-10-01 | 安徽江淮汽车集团股份有限公司 | Stroke detection device and method for clutch pedal |
| CN112345338B (en) * | 2020-09-22 | 2024-08-20 | 航天科工防御技术研究试验中心 | Displacement meter installation assembly |
| CN113335240A (en) * | 2021-04-20 | 2021-09-03 | 北京汽车集团越野车有限公司 | Tool for adjusting stay wire displacement sensor |
| CN113639686B (en) * | 2021-08-10 | 2022-11-01 | 安徽江淮汽车集团股份有限公司 | Stroke measuring device |
| CN115218840A (en) * | 2022-05-30 | 2022-10-21 | 广州汽车集团股份有限公司 | Clutch pedal stroke curve measuring method and device |
| CN116147939B (en) * | 2023-04-20 | 2023-07-14 | 山东方力汽车零部件有限公司 | Automobile pedal testing structure |
| CN116907403B (en) * | 2023-09-13 | 2024-03-01 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Continuous displacement measuring device for large-stroke sliding assembly of synchronous automatic clutch |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6126635U (en) * | 1984-07-24 | 1986-02-17 | 日産ディーゼル工業株式会社 | Vehicle accelerator pedal opening detection device |
| JP3129609B2 (en) * | 1994-08-26 | 2001-01-31 | 日野自動車株式会社 | Pedal depression stroke detection device |
| CN101545759B (en) * | 2009-04-24 | 2011-03-16 | 长安大学 | Vehicle brake pedal travel measuring method |
| CN102818547B (en) * | 2011-06-07 | 2014-11-12 | 上汽通用五菱汽车股份有限公司 | Tool for measuring travel of vehicular clutch pedal |
-
2017
- 2017-03-24 CN CN201710187370.4A patent/CN106950050B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106950050A (en) | 2017-07-14 |
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Granted publication date: 20181221 |