CN103528829A - Passenger car ABS braking bench - Google Patents
Passenger car ABS braking bench Download PDFInfo
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- CN103528829A CN103528829A CN201310524092.9A CN201310524092A CN103528829A CN 103528829 A CN103528829 A CN 103528829A CN 201310524092 A CN201310524092 A CN 201310524092A CN 103528829 A CN103528829 A CN 103528829A
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- sandstone
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- water spray
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Abstract
The invention provides a passenger car ABS (anti-lock braking system) braking bench and belongs to the field of detection of car performance. The passenger car ABS braking bench is characterized in that a drum frame (4) can move in the direction of a rack-type sliding rail (5); wheels (19) drive a drum (2) through friction; a water sprayer (6) and a feeding mechanism (18) are installed on the drum frame (4); a sandstone recycling device (16) is installed at the lower end of the drum frame (4); a conveying device (17) is installed between the feeding mechanism (18) and the sandstone recycling device (16); the conveying device is driven by a motor; a driving belt is provided with strip-shaped rubber bulges. By adopting the passenger car ABS braking bench provided by the invention, the friction coefficient of a pavement can be simulated more vividly through a water spraying system and a sandstone system.
Description
Technical field
The present invention relates to a kind of passenger vehicle abs braking testing table, belong to vehicle performance test field.
Background technology
Along with the development of automobile industry, people are also more and more higher to the performance requirement of automobile, no longer only pursue dynamic property, the cross-country ability of automobile, and people are also more and more higher to the requirement of the comfortableness of automobile, security aspect.Automobile rapid locking of wheel meeting when braking that ABS anti-lock braking system is not installed, has a great impact the control stability of automobile, brings traffic accidents.And the automobile that ABS anti-lock braking system is housed can prevent that automobile from losing the situations such as steering capability, sideslip, guarantee driving safety when braking.Passenger vehicle is as large-scale manned means of transport, and ABS performance quality is most important, imperative to its ABS Performance Detection.Nowadays domesticly also lack a kind of dependable performance, abs braking monitor station that can fine simulated roadway situation.Current testing table is mainly that the radial pressure by changing between automobile and cylinder changes the drag friction power between cylinder and wheel.These all can not simulate more really passenger vehicle in when braking the situation that contacts with road surface, the present invention is in order to address this problem, propose simulating wheel and contacted the new method of situation with road surface, equipment is simple, fund input is few, can simulate more really the working condition of passenger vehicle ABS while braking under multiple road condition.
Summary of the invention
The present invention provides a kind of simple and effective abs braking testing table in order to simulate more really the contact environment on passenger vehicle when braking passenger vehicle and road surface.
1, a kind of passenger vehicle abs braking testing table, comprise the wheel (19) being arranged on passenger vehicle, cylinder (2), roller shelves (4), slide rail (5) with tooth bar, inertial flywheel group (3), humidity sensor (1), perforated water spray (6), processor (8), sprocket wheel (9), wheel speed sensors (10), the first torductor (11), the second torductor (14), drum rotation speed sensor (12), wheel load sensor (13), flowrate control valve (7), wheel position sensor (15), feed mechanism (18), sandstone retracting device (16), conveyer (17), it is characterized in that: roller shelves (4) can be moved along rack-and-pinion slide rail (5) direction, perforated water spray (6) and feed mechanism (18) are installed in roller shelves (4).Roller shelves (4) lower end is provided with sandstone retracting device (16), between feed mechanism (18) and sandstone retracting device (16), conveyer (17) is installed, conveyer (17) relies on motor to drive, by spraying water and adding sandstone simulated roadway friction factor more true to nature.
The present invention has advantages of compared with prior art:
1, can change the humidity of surface of contact between wheel and cylinder, obtain different humidity road surfaces and enter abs braking test;
2, can simulate the sand-gravel surface that passenger vehicle often passes through;
3, adopt simple device can complete improvement, capital consumption is few.
Accompanying drawing explanation
Fig. 1 is the layout schematic diagram of experiment table of the present invention;
Fig. 2 is the side view of a roller shelves of the present invention.
Embodiment
1, humidity sensor, 2, cylinder, 3, flywheel, 4, roller shelves, 5, rack-and-pinion slide rail, 6, perforated water spray, 7, flowrate control valve, 8, processor, 9, sprocket wheel, 10, wheel speed sensors, 11, the first torductor, 12, drum rotation speed sensor, 13, wheel load sensor, 14, the second torductor, 15, wheel position sensor, 16, sandstone gathering-device, 17, conveyer, 18, feed mechanism, 19, wheel.
Below in conjunction with accompanying drawing, the present invention will be further described
As shown in Figure 1 and Figure 2: passenger vehicle abs braking testing table of the present invention comprises: humidity sensor 1, cylinder 2, flywheel 3, roller shelves 4, rack-and-pinion slide rail 5, perforated water spray 6, flowrate control valve 7, processor 8, sprocket wheel 9, wheel speed sensors 10, wheel speed sensors, the first torductor 11, drum rotation speed sensor 12, wheel load sensor 13, the second torductor 14, wheel position sensor 15, sandstone gathering-device 16, conveyer 17, feed mechanism 18, wheel 19.
On each roller shelves and cylinder, be provided with moisture control system and sand-gravel surface simulation system.
Before vehicle reaches cylinder 2, in cylinder 2 surroundings, be covered with detachable steel plate, when vehicle sails on cylinder 2 precalculated position, steel plate can be removed.
When simulating vehicle is braked on different humidity road surface, adjusting is arranged on the position of the perforated water spray 6 in roller shelves, make it aim at the contact position of wheel 19 and cylinder 2, the place water spray that perforated water spray 8 can contact with cylinder 2 to tire 19, humidity sensor 1 on cylinder 2 by signal feedback to controller 8, thereby the flowrate control valve 7 that controller 8 is controlled on perforated water spray 6 after signal is processed again regulates the uninterrupted of water spray to obtain testing needed humidity value, perforated water spray is equipped with in the position that each wheel contacts with cylinder, like this can each wheel of simulating vehicle road conditions different from contact position, ground humidity.
During simulation sand-gravel surface, feed mechanism 18 can be sent into sandstone surface of contact place, in order to prevent falling the gap of sandstone between feed mechanism 18 and cylinder 2, adopt soft material to carry out seamless processing to feed mechanism 18 and cylinder 2, the sandstone that can block certain speed at the sandstone retracting device 16 that contacts opposite side splashes from surface of contact, can also carry out centralized collection to sandstone simultaneously, between sandstone gathering-device 16 bottoms and feed mechanism 18, be provided with conveyer 17, for being transported to feed mechanism 18 by sandstone retracting device 16, sandstone realizes recycling of sandstone, travelling belt relies on motor to drive, and travelling belt is provided with strip rubber projections, prevent sandstone from rolling and cannot be sent to feed mechanism 18.
Before test, passenger vehicle is reached to cylinder 2, according to the 16 pairs of wheels of wheel position sensor that are arranged in roller shelves 4, position, then with steel cable, automobile is fixed, by wheel load sensor 13, can record passenger vehicle axle load, by passenger vehicle ignition trigger, by wheel 19, drive cylinder 2 to rotate.
After reaching preset vehicle speed, kill engine and step on brake pedal and brake, by the wheel speed sensors 10 in roller shelves 4, can be recorded the rotating speed of each wheel of passenger vehicle, the peripheral speed of cylinder can be regarded vehicle body speed as, by the rolling radius of vehicle body speed and wheel, the slip rate that vehicle wheel rotational speed can record wheel.
By the drum rotation speed sensor 12 being arranged in roller shelves 4, can record each drum rotation speed, drum rotation speed sensor 12 can record cylinder retarded velocity and be equal to passenger vehicle braking deceleration, and cylinder rotation time is braking time.
The braking moment of the near front wheel and off-front wheel when the first moment measurement instrument 11 being connected with drum central axis can record respectively braking, by measured moment, divided by corresponding front tyre diameter, can obtain the damping force of corresponding front wheel brake, by the second moment measurement instrument 14, can be recorded respectively equally the braking moment of left rear wheel and off hind wheel, by measured moment, divided by rear tyre diameter corresponding to moment, can obtain the damping force of each rear wheel rotation detent.
While surveying Wheel resistance, only need allow passenger vehicle move on cylinder 2, then by detent in release conditions, variator is placed in to neutral, by torque meter, divided by radius roller, can record each Wheel resistance of passenger vehicle and total drag.
By brake pedal force sensor, can record the moment that starts to produce braking effect, the time that this moment to slip rate reaches setting is the brake coordination time.
Claims (4)
1. a passenger vehicle abs braking testing table, comprise: cylinder (2), roller shelves (4), slide rail (5) with tooth bar, inertial flywheel group (3), humidity sensor (1), perforated water spray (6), processor (8), sprocket wheel (9), wheel speed sensors (10), the first torductor (11), the second torductor (14), drum rotation speed sensor (12), wheel load sensor (13), flowrate control valve (7), wheel position sensor (15), feed mechanism (18), sandstone retracting device (16), conveyer (17), it is characterized in that: roller shelves (4) can be moved along rack-and-pinion slide rail (5) direction, perforated water spray (6) and feed mechanism (18) are installed in roller shelves (4), roller shelves (4) lower end is provided with sandstone retracting device (16), between feed mechanism (18) and sandstone retracting device (16), conveyer (17) is installed, conveyer (17) relies on motor to drive, by spraying water and adding sandstone simulated roadway friction factor more true to nature.
2. passenger vehicle abs braking testing table according to claim 1, is characterized in that: described conveyer (17) is driven by motor, posts strip rubber projections on described travelling belt.
3. utilize the passenger vehicle abs braking testing table described in claim 1 to carry out pavement humidity analogy method, adjusting is arranged on the position of the perforated water spray (6) in roller shelves, make it aim at the contact position of wheel (19) and cylinder (2), the place water spray that perforated water spray (8) can contact with cylinder (2) to tire (19), humidity sensor (1) on cylinder (2) by signal feedback to controller (8), thereby controller (8) is controlled the flowrate control valve (7) on perforated water spray (6) after signal is processed is again regulated the uninterrupted of water spray to obtain testing needed humidity value, perforated water spray is equipped with in the position that each wheel contacts with cylinder, like this can each wheel of simulating vehicle road conditions different from contact position, ground humidity.
4. utilize the passenger vehicle abs braking testing table described in claim 1 to carry out sand-gravel surface analogy method, feed mechanism (18) can be sent into sandstone surface of contact place, in order to prevent falling the gap of sandstone between feed mechanism (18) and cylinder (2), adopt soft material to carry out seamless processing to feed mechanism (18) and cylinder (2), the sandstone that can block certain speed at the sandstone retracting device (16) that contacts opposite side splashes from surface of contact, can also carry out centralized collection to sandstone simultaneously, between sandstone gathering-device (16) bottom and feed mechanism (18), be provided with conveyer (17), for being transported to feed mechanism (18) by sandstone retracting device (16), sandstone realizes recycling of sandstone, travelling belt relies on motor to drive, and travelling belt is provided with strip rubber projections, prevent sandstone from rolling and cannot be sent to feed mechanism (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310524092.9A CN103528829B (en) | 2013-10-30 | 2013-10-30 | A kind of passenger vehicle abs braking testing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310524092.9A CN103528829B (en) | 2013-10-30 | 2013-10-30 | A kind of passenger vehicle abs braking testing table |
Publications (2)
| Publication Number | Publication Date |
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| CN103528829A true CN103528829A (en) | 2014-01-22 |
| CN103528829B CN103528829B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310524092.9A Expired - Fee Related CN103528829B (en) | 2013-10-30 | 2013-10-30 | A kind of passenger vehicle abs braking testing table |
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| CN (1) | CN103528829B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841863A (en) * | 2016-03-21 | 2016-08-10 | 山东理工大学 | Four-wheel-drive automobile chassis dynamometer |
| CN107243926A (en) * | 2017-07-25 | 2017-10-13 | 苏州穿山甲机器人股份有限公司 | The friction measurement method of electrically-driven robot |
| CN108088685A (en) * | 2017-12-20 | 2018-05-29 | 重庆厚全科技发展有限公司 | Motorcycle automatic-piloting simulator |
| CN109000931A (en) * | 2018-05-28 | 2018-12-14 | 合肥航机械科技股份有限公司 | A kind of automobile brake testing bench |
| CN113984413A (en) * | 2021-12-07 | 2022-01-28 | 合肥市极点科技有限公司 | Portable kart detection line |
| CN113984413B (en) * | 2021-12-07 | 2024-06-21 | 合肥市极点科技有限公司 | Portable small-size car detection line |
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| CN102042894A (en) * | 2010-10-28 | 2011-05-04 | 中国农业大学 | ABS (antilock brake system)/ASR (acceleration slip regulation) comprehensive testing system for low friction vehicle |
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2013
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| EP1598185A1 (en) * | 2004-05-21 | 2005-11-23 | DeMaxz Deutschland GmbH | Device and process to print on wood or plastic substrate |
| CN1648631A (en) * | 2004-06-01 | 2005-08-03 | 北京理工大学 | Test table of automobile braking ABS based on brake inertia test |
| CN101183046A (en) * | 2007-11-16 | 2008-05-21 | 长安大学 | Indoor vehicle ABS test-bed with variable adhesion coefficient |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841863A (en) * | 2016-03-21 | 2016-08-10 | 山东理工大学 | Four-wheel-drive automobile chassis dynamometer |
| CN107243926A (en) * | 2017-07-25 | 2017-10-13 | 苏州穿山甲机器人股份有限公司 | The friction measurement method of electrically-driven robot |
| CN107243926B (en) * | 2017-07-25 | 2019-11-29 | 苏州穿山甲机器人股份有限公司 | The friction measurement method of electrically-driven robot |
| CN108088685A (en) * | 2017-12-20 | 2018-05-29 | 重庆厚全科技发展有限公司 | Motorcycle automatic-piloting simulator |
| CN108088685B (en) * | 2017-12-20 | 2019-10-11 | 重庆厚全科技发展有限公司 | Motorcycle automatic-piloting simulator |
| CN109000931A (en) * | 2018-05-28 | 2018-12-14 | 合肥航机械科技股份有限公司 | A kind of automobile brake testing bench |
| CN109000931B (en) * | 2018-05-28 | 2020-08-28 | 日照人和制动系统股份有限公司 | Automobile brake detection platform |
| CN113984413A (en) * | 2021-12-07 | 2022-01-28 | 合肥市极点科技有限公司 | Portable kart detection line |
| CN113984413B (en) * | 2021-12-07 | 2024-06-21 | 合肥市极点科技有限公司 | Portable small-size car detection line |
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| Publication number | Publication date |
|---|---|
| CN103528829B (en) | 2015-11-18 |
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