CN1760653A - Machine for testing braking performance of bicycle - Google Patents
Machine for testing braking performance of bicycle Download PDFInfo
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- CN1760653A CN1760653A CN 200410067119 CN200410067119A CN1760653A CN 1760653 A CN1760653 A CN 1760653A CN 200410067119 CN200410067119 CN 200410067119 CN 200410067119 A CN200410067119 A CN 200410067119A CN 1760653 A CN1760653 A CN 1760653A
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- bicycle
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- brake force
- force application
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Abstract
The testing machine includes mechanism for mounting and clipping bicycle to be fixed, mechanism for applying force on brake, device for measuring torque, cylinder for applying force, and electric control unit. The mechanism for applying force on brake is connected to brakes. Device for measuring torque includes a driving motor and friction roller, which is connected to the output shaft of the driving motor. The friction roller is under wheel of bicycle mounted and clipped on the mounting and clipping mechanism. Torsion sensor is installed on the shaft of the motor. Device for measuring torque is connected to piston rod of cylinder for applying force fixedly. Being connected to output end of revolution speed sensor and control wire of drive set of cylinder for applying force, the electric control unit keeps revolution speed at rated value of speed. Advantages are: automatic operation and accurate result tested.
Description
(1) technical field
The present invention relates to the checkout equipment of bicycle brake performance test.
(2) background technology
Braking ability is an important function pilot project in the cycle test.Existing standard GB 14746 " child's bicycle safety requirements " and GB3565 " bicycle safe requirement " stipulate braking ability and backpedalling brake rectilinearity respectively, the following test method of the general at present employing of the test of above-mentioned performance: adopt strap to be wrapped on the wheel, with the tangential direction pulling wheel of strap at wheel, one of tautness meter connects strap, the other end spurs dynamometer by hand by the testing staff, and the braking force on the brake provides by the form that increases counterweight.According to standard code, whenever apply a braking force, must measure three damping force and average again.And each brake must apply five different braking forces.So each brake test must be measured brake power and the brake application curve figure that 15 damping force could obtain a reality, and damping force of every measurement must get again around a strap, this experimentation is loaded down with trivial details, and the reading of tautness meter is also inaccurate, and tautness meter is difficult for keeping stable in the process of drawing.At last the workload for the data processing of test findings is also very big, as draw the backpedalling brake rectilinearity and try hard to, earlier five groups of data of corresponding backpedalling brake power and damping force are tried to achieve a trend line with linear equation with one unknown, and then ask two+-20% limit line according to minimum square law, calculated amount is big, number reason requested knowledge to the reviewer is higher, occurs unnecessary miscount in computation process easily.
(3) summary of the invention
The invention solves present manual operations, very complicated, data randomness is big, amount of calculation is big shortcoming, a kind of craft that need not is provided, adopt automation mechanized operation, the accurate testing machine of result.
For this reason, the present invention takes following technical scheme:
A kind of machine for testing braking performance of bicycle includes clamping mechanism, brake force application mechanism, torque-measuring apparatus, application of force cylinder and the controller for electric consumption of stationary bicycle; Described brake force application mechanism is connected with the brake of bicycle; Described torque-measuring apparatus includes friction roller, drive motor, described friction roller is connected with the drive motor output shaft, when described friction roller is positioned at the clamping mechanism stationary bicycle wheel correspondence position under, torsion torque sensor is installed in the rotating shaft of friction roller; The piston rod of described torque-measuring apparatus and application of force cylinder is affixed; The control line of the output terminal of described controller for electric consumption connection speed of a motor vehicle speed probe, the drive unit of application of force cylinder, prestore wheel rated speed numerical value in the described controller for electric consumption, when speed of a motor vehicle speed probe was exported numerical value greater than default value, controller for electric consumption was to drive unit output the subtracting force signal of application of force cylinder; When speed of a motor vehicle speed probe was exported numerical value greater than default value, controller for electric consumption added force signal to the drive unit output of application of force cylinder.
Described brake force application mechanism comprises front brake force application mechanism, back brake force application mechanism, described torque-measuring apparatus is 2, corresponding with front brake force application mechanism, back brake force application mechanism respectively, one of them torque-measuring apparatus is built in the casing, and another torque-measuring apparatus can be arranged in the described casing with moving horizontally.
Described drive motor is connected with sprocket wheel, and described friction roller is connected with described sprocket wheel.
Described back brake force application mechanism is a backpedalling brake application of force cylinder.
Described front brake, back brake force application mechanism are the rim brake force application apparatus.
Employing the present invention have the following advantages: 1, need not hand dipping, save the labour; 2, adopt automatically controlled automation equipment, easy to use, accurate; 3, simple in structure.
(4) description of drawings
Fig. 1 is a front schematic view of the present invention
Fig. 2 is a side schematic view of the present invention
(5) embodiment
Embodiment one: with reference to accompanying drawing, a kind of machine for testing braking performance of bicycle includes clamping mechanism, brake force application mechanism, torque-measuring apparatus, application of force cylinder 1 and the controller for electric consumption of stationary bicycle; Described brake force application mechanism is connected with the brake of bicycle; Described torque-measuring apparatus includes friction roller 2, drive motor 3, and described drive motor is connected with sprocket wheel 6, and described friction roller is connected with described sprocket wheel, and described sprocket wheel is connected with the drive motor output shaft.When described friction roller is positioned at the clamping mechanism stationary bicycle wheel 4 correspondence positions under, torsion torque sensor 5 is installed in the rotating shaft of friction roller; The piston rod of described torque-measuring apparatus and application of force cylinder is affixed; The control line of the output terminal of described controller for electric consumption connection speed of a motor vehicle speed probe, the drive unit of application of force cylinder, prestore wheel rated speed numerical value in the described controller for electric consumption, when speed of a motor vehicle speed probe was exported numerical value greater than default value, controller for electric consumption was to drive unit output the subtracting force signal of application of force cylinder; When speed of a motor vehicle speed probe was exported numerical value greater than default value, controller for electric consumption added force signal to the drive unit output of application of force cylinder.Described brake force application mechanism comprises front brake force application mechanism, back brake force application mechanism, described torque-measuring apparatus is 2, corresponding with front brake force application mechanism, back brake force application mechanism respectively, one of them torque-measuring apparatus is built in the casing, and another torque-measuring apparatus can be arranged in the described casing with moving horizontally.Described front brake force application mechanism is the rim brake force application apparatus, and the back brake force application mechanism can be that backpedalling brake application of force cylinder also can be made as the rim brake force application apparatus.
The principle of work of described testing machine is: tested vehicle is fixed on the clamping mechanism, start drive motor, pass through chain sprocket drive, the drive friction roller rotates, application of force cylinder contacts top on the friction roller by piston rod with the wheel of tested vehicle, drive tested wheel and rotate by the wheel rated speed numerical value ω that prestores in the controller for electric consumption, when confirming that tested wheel reaches at the uniform velocity ω, torsion torque sensor shows numerical value M
1, this numerical value is the frictional dissipation moment of the normal uniform rotation of wheel.When the brake force application mechanism application of force, controller for electric consumption adds force signal to the drive unit output of application of force cylinder, application of force cylinder continues to go up the top friction roller by piston rod, increase friction force by the friction factor that increases between friction roller and wheel, thereby drive wheel with bigger moment and overcome the moment uniform rotation again that rim brake produces, along with the rotating speed of tested wheel returns at the uniform velocity ω, moment of friction can be stabilized in a numerical value M stably
2, moment M=M
2-M
1Be measured value.Can calculate damping force F by moment M.
Claims (5)
1, a kind of machine for testing braking performance of bicycle is characterized in that: the clamping mechanism, brake force application mechanism, torque-measuring apparatus, application of force cylinder and the controller for electric consumption that include stationary bicycle;
Described brake force application mechanism is connected with the brake of bicycle;
Described torque-measuring apparatus includes friction roller, drive motor, described friction roller is connected with the drive motor output shaft, when described friction roller is positioned at the clamping mechanism stationary bicycle wheel correspondence position under, torsion torque sensor is installed in the rotating shaft of friction roller;
The piston rod of described torque-measuring apparatus and application of force cylinder is affixed;
The control line of the output terminal of described controller for electric consumption connection speed of a motor vehicle speed probe, the drive unit of application of force cylinder, prestore wheel rated speed numerical value in the described controller for electric consumption, when speed of a motor vehicle speed probe was exported numerical value greater than default value, controller for electric consumption was to drive unit output the subtracting force signal of application of force cylinder; When speed of a motor vehicle speed probe was exported numerical value greater than default value, controller for electric consumption added force signal to the drive unit output of application of force cylinder.
2, machine for testing braking performance of bicycle as claimed in claim 1, it is characterized in that: described brake force application mechanism comprises front brake force application mechanism, back brake force application mechanism, described torque-measuring apparatus is 2, corresponding with front brake force application mechanism, back brake force application mechanism respectively, one of them torque-measuring apparatus is built in the casing, and another torque-measuring apparatus can be arranged in the described casing with moving horizontally.
3, machine for testing braking performance of bicycle as claimed in claim 1 is characterized in that: described drive motor is connected with sprocket wheel, and described friction roller is connected with described sprocket wheel.
4, machine for testing braking performance of bicycle as claimed in claim 1 is characterized in that: described back brake force application mechanism is a backpedalling brake application of force cylinder.
5, machine for testing braking performance of bicycle as claimed in claim 1 is characterized in that: described front brake, back brake force application mechanism are the rim brake force application apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100671197A CN100416249C (en) | 2004-10-13 | 2004-10-13 | Machine for testing braking performance of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100671197A CN100416249C (en) | 2004-10-13 | 2004-10-13 | Machine for testing braking performance of bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1760653A true CN1760653A (en) | 2006-04-19 |
| CN100416249C CN100416249C (en) | 2008-09-03 |
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ID=36706804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100671197A Expired - Fee Related CN100416249C (en) | 2004-10-13 | 2004-10-13 | Machine for testing braking performance of bicycle |
Country Status (1)
| Country | Link |
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| CN (1) | CN100416249C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893498A (en) * | 2010-06-29 | 2010-11-24 | 浙江大学 | Motor-driven drum-type braking force test device |
| CN102368049A (en) * | 2011-09-29 | 2012-03-07 | 杭州电子科技大学 | Braking performance tester for bicycle disc brake |
| CN102680154A (en) * | 2012-05-28 | 2012-09-19 | 南通铁人运动用品有限公司 | Torsion test machine for exercise bikes |
| CN103674572A (en) * | 2012-09-03 | 2014-03-26 | 天津市自行车研究院 | Bicycle wheel clamping force tester |
| CN104075833A (en) * | 2013-03-27 | 2014-10-01 | 中华人民共和国昆山出入境检验检疫局 | Bicycle wheel clamping force shake-off testing machine |
| CN105004539A (en) * | 2015-08-31 | 2015-10-28 | 天津铭度科技有限公司 | Performance test platform of electric bicycle and portable electric motorcycle |
| CN105890912A (en) * | 2016-05-25 | 2016-08-24 | 天祥(天津)质量技术服务有限公司 | Bicycle braking force test system test platform |
| CN105954039A (en) * | 2015-12-31 | 2016-09-21 | 天祥(天津)质量技术服务有限公司 | Bicycle brake performance test system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941530B2 (en) * | 1979-02-07 | 1984-10-08 | 株式会社鳥山研究所 | bicycle brake tester |
| DE3701254A1 (en) * | 1987-01-17 | 1988-08-11 | Willi Schlegel | Brake test stand for motor vehicles |
| CN2153791Y (en) * | 1993-05-31 | 1994-01-19 | 上海市轻工业工程设计院 | Machine for testing bicycle brake |
| CN2387528Y (en) * | 1998-01-09 | 2000-07-12 | 何勇 | Portable brake performance detector for tractor-semi-trailer |
| JP3842147B2 (en) * | 2002-03-04 | 2006-11-08 | 本田技研工業株式会社 | Inspection device and inspection method for anti-lock brake system in motorcycle |
| CN2566256Y (en) * | 2002-08-08 | 2003-08-13 | 浙江大学 | Automatic detecting platform for electric bicycle |
| CN2738223Y (en) * | 2004-10-13 | 2005-11-02 | 中华人民共和国慈溪出入境检验检疫局 | Bicycle brake performance testing machine |
-
2004
- 2004-10-13 CN CNB2004100671197A patent/CN100416249C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893498A (en) * | 2010-06-29 | 2010-11-24 | 浙江大学 | Motor-driven drum-type braking force test device |
| CN102368049A (en) * | 2011-09-29 | 2012-03-07 | 杭州电子科技大学 | Braking performance tester for bicycle disc brake |
| CN102368049B (en) * | 2011-09-29 | 2013-09-18 | 杭州电子科技大学 | Braking performance tester for bicycle disc brake |
| CN102680154A (en) * | 2012-05-28 | 2012-09-19 | 南通铁人运动用品有限公司 | Torsion test machine for exercise bikes |
| CN103674572A (en) * | 2012-09-03 | 2014-03-26 | 天津市自行车研究院 | Bicycle wheel clamping force tester |
| CN104075833A (en) * | 2013-03-27 | 2014-10-01 | 中华人民共和国昆山出入境检验检疫局 | Bicycle wheel clamping force shake-off testing machine |
| CN104075833B (en) * | 2013-03-27 | 2016-03-30 | 中华人民共和国昆山出入境检验检疫局 | A kind of wheel holding force of bicycle shirks testing machine |
| CN105004539A (en) * | 2015-08-31 | 2015-10-28 | 天津铭度科技有限公司 | Performance test platform of electric bicycle and portable electric motorcycle |
| CN105004539B (en) * | 2015-08-31 | 2017-11-28 | 天津金米特科技股份有限公司 | The Testing Platform of electric bicycle and portable electric motor cycle |
| CN105954039A (en) * | 2015-12-31 | 2016-09-21 | 天祥(天津)质量技术服务有限公司 | Bicycle brake performance test system |
| CN105890912A (en) * | 2016-05-25 | 2016-08-24 | 天祥(天津)质量技术服务有限公司 | Bicycle braking force test system test platform |
| CN105890912B (en) * | 2016-05-25 | 2018-08-24 | 天祥(天津)质量技术服务有限公司 | A kind of bicycle brake force test system test platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100416249C (en) | 2008-09-03 |
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Granted publication date: 20080903 Termination date: 20131013 |