CN202547953U - Slip rate detecting instrument for roller opposite-force type automobile brake test bench - Google Patents
Slip rate detecting instrument for roller opposite-force type automobile brake test bench Download PDFInfo
- Publication number
- CN202547953U CN202547953U CN2012202191870U CN201220219187U CN202547953U CN 202547953 U CN202547953 U CN 202547953U CN 2012202191870 U CN2012202191870 U CN 2012202191870U CN 201220219187 U CN201220219187 U CN 201220219187U CN 202547953 U CN202547953 U CN 202547953U
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- China
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- slip rate
- detecting instrument
- automobile brake
- rate detecting
- speed
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Abstract
The utility model discloses a slip rate detecting instrument for a roller opposite-force type automobile brake test bench. The slip rate detecting instrument comprises a base, a regulating frame and a support, wherein the regulating frame is fixedly arranged on the base, one end of the support is arranged on the regulating frame, a speed regulating motor is fixedly arranged at the other end of the support, a rolling wheel equipped with an overrunning clutch is arranged on a rotating shaft of the speed regulating motor, an encoder for measuring the rotational speed of the rolling wheel is arranged on the rolling wheel, the rotational speed of the speed regulating motor is automatically controlled by a speed regulator on a singlechip, and pulse signals output by rotation of the encoder can be directly uploaded to a computer through the singlechip. The slip rate detecting instrument has the following technical effects: as the slip rate detecting instrument has smaller volume and light weight, the slip rate detecting instrument is convenient to carry and can perform slip rate detection on the automobile brake test bench used in a detection station; and additionally, the slip rate detecting instrument can communicate with the computer through the singlechip, the test result can be intuitively reflected by a curve, the operation is simple and the detection is accurate.
Description
Technical field
The utility model relates to a kind of detector of automotive inspection equipment, relates in particular to a kind of instrument that tire in the drum reaction type automobile brake check-out console testing process is examined and determine the precise control property of the slip rate of cylinder.
Background technology
According to automobile theory, automobile detects on brake platform when touching on the brake, and the swift linear velocity is constant; Doughnut slowly slows down until locking, and in braking procedure, the cylinder linear velocity is constant; The tire external circe speed slowly slows down, and when detecting cylinder and tire generation slippage, slip rate reaches about 20%; At this moment, detected maximum braking force.Slip rate control is to be leaned against on the wheel and rotated simultaneously by the 3rd cylinder cylinder that promptly tests the speed, and when wheel decelerates, the cylinder linear velocity that tests the speed is slack-off.Slip rate is exactly a kind of method that control is shut down in the automobile brake testing process, and the accuracy of control directly influences testing result.If slip rate is too small when promptly not detecting maximum braking force, the brake platform cylinder stops, detects and takes turns maximum braking force less than this; When if slip rate is excessive, take turns maximum braking force though detect this, can produce wearing and tearing surface of tyre or large stretch of stripping tire.Prior art can't be made accurate measurement to the control of slip rate, thereby needs a kind of detector that can calibrate the control accuracy of slip rate.
Summary of the invention
The utility model technical matters to be solved is exactly the deficiency that overcomes prior art, and a kind of instrument that can detect the slip rate of the automobile brake check-out console in the normal use simple to operate, easy to carry is provided.
The technical scheme that the utility model adopted is: drum reaction type automobile brake check-out console slip rate detector; Comprise base, adjusting bracket and support; Adjusting bracket is installed on the base, and an end of support is contained on the adjusting bracket, and the other end of support is installed with buncher; The roller of band overrunning clutch is housed in the rotating shaft of buncher; The scrambler of measuring the roller rotating speed is housed on the roller, and the rotating speed of buncher is controlled by the speed regulator on the single-chip microcomputer automatically, and the pulse signal that scrambler rotates output directly is uploaded to computing machine through single-chip microcomputer.
The utility model beneficial technical effects is: because the utility model volume is less, in light weight; Thereby be easy to carry; Automobile brake check-out console in using measuring station carries out the slip rate calibrating, and in addition, the utility model is through single-chip microcomputer and compunication; Test result is reflected with curve intuitively, simple to operate, detect accurately.
Description of drawings
Fig. 1: be the structural representation (removing scrambler) of the utility model;
Fig. 2: be the vertical view of Fig. 1;
Fig. 3: be the principle of work block diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Shown in Fig. 1-3, drum reaction type automobile brake check-out console slip rate detector comprises base 1, adjusting bracket 2 and support 3; Adjusting bracket 2 is installed on the base 1; One end of support 3 is contained on the adjusting bracket 2, and the other end of support 3 is installed with buncher 4, and the roller 6 of band overrunning clutch 5 is housed in the rotating shaft of buncher 4; The scrambler 7 of measuring the roller rotating speed is housed on the roller 6; The rotating speed of buncher 4 is controlled by the speed regulator on the single-chip microcomputer 8 automatically, and the pulse signal that scrambler 7 rotates output directly is uploaded to computing machine through single-chip microcomputer 8, by the computing machine real-time curve that draws.Described roller 6 is pressed on the cylinder 9 that tests the speed of automobile brake check-out console, and described base 1 is a magnet steel seat, and base 1 is installed on the frame 10 of automobile brake check-out console.
Overrunning clutch 5 also is unilateral bearing; The effect of overrunning clutch 5 is when simulation tire 11 leans against swift 12 with the motor of the startup automobile brake check-out console that tests the speed between the cylinder 9; Driving the cylinder 9 that tests the speed through simulation tire 11 rotates; When the cylinder 9 that tests the speed drove roller 6 rotations, buncher 4 kept not changeing, and when buncher 4 starts, can drive roller 6 and rotate.
Principle of work: during test; Earlier put one between the cylinder 9 and simulate tire 11 with testing the speed at the swift 12 of automobile brake check-out console; Start the motor of automobile brake check-out console, swift 12 drives simulation tire 11 and rotates, and simulation tire 11 drives the cylinder 9 that tests the speed and rotates; The cylinder 9 that tests the speed drives roller 6 and rotates, and measures the linear velocity of swift 12 through scrambler 7.After obtaining the linear velocity of swift 12, and the linear velocity value of record swift 12.Remove simulation tire 11 then; The linear velocity that drives the cylinder 9 that tests the speed with buncher 4 is consistent with the linear velocity furnishing of swift 12; Drive cylinder 9 slow decelerations of testing the speed by the roller on the buncher 46 and reach the slip rate auto stop until the automobile brake check-out console; Shutdown moment calibrating instrument sends signal immediately and gives computing machine and calculate the result, just can measure slip rate accurately through the velocity contrast of test result.
Claims (2)
1. drum reaction type automobile brake check-out console slip rate detector; It is characterized in that: comprise base, adjusting bracket and support; Adjusting bracket is installed on the base, and an end of support is contained on the adjusting bracket, and the other end of support is installed with buncher; The roller of band overrunning clutch is housed in the rotating shaft of buncher; The scrambler of measuring the roller rotating speed is housed on the roller, and the rotating speed of buncher is controlled by the speed regulator on the single-chip microcomputer automatically, and the pulse signal that scrambler rotates output directly is uploaded to computing machine through single-chip microcomputer.
2. drum reaction type automobile brake check-out console slip rate detector according to claim 1; It is characterized in that: described roller is pressed on the cylinder that tests the speed of automobile brake check-out console; Described base is a magnet steel seat, and base is installed on the frame of automobile brake check-out console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202191870U CN202547953U (en) | 2012-05-07 | 2012-05-07 | Slip rate detecting instrument for roller opposite-force type automobile brake test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202191870U CN202547953U (en) | 2012-05-07 | 2012-05-07 | Slip rate detecting instrument for roller opposite-force type automobile brake test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547953U true CN202547953U (en) | 2012-11-21 |
Family
ID=47168571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202191870U Expired - Lifetime CN202547953U (en) | 2012-05-07 | 2012-05-07 | Slip rate detecting instrument for roller opposite-force type automobile brake test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202547953U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471649A (en) * | 2013-08-20 | 2013-12-25 | 内蒙古自治区计量测试研究院 | Contact speed and distance measuring apparatus |
| CN105203314A (en) * | 2015-10-10 | 2015-12-30 | 东北农业大学 | Device for measuring slip rate of walking ground wheels of combined seed and fertilizer drill |
| CN107894318A (en) * | 2017-12-11 | 2018-04-10 | 吉林大学 | A kind of automatic adjustable independent wheel wind tunnel test stand and its control method |
| CN113532871A (en) * | 2020-04-13 | 2021-10-22 | 广东省特种设备检测研究院东莞检测院 | System and method for inspecting and measuring safety performance of off-highway vehicle |
-
2012
- 2012-05-07 CN CN2012202191870U patent/CN202547953U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471649A (en) * | 2013-08-20 | 2013-12-25 | 内蒙古自治区计量测试研究院 | Contact speed and distance measuring apparatus |
| CN105203314A (en) * | 2015-10-10 | 2015-12-30 | 东北农业大学 | Device for measuring slip rate of walking ground wheels of combined seed and fertilizer drill |
| CN107894318A (en) * | 2017-12-11 | 2018-04-10 | 吉林大学 | A kind of automatic adjustable independent wheel wind tunnel test stand and its control method |
| CN113532871A (en) * | 2020-04-13 | 2021-10-22 | 广东省特种设备检测研究院东莞检测院 | System and method for inspecting and measuring safety performance of off-highway vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |