CN101368880B - Dynamic braking simulation apparatus for vehicle braking clearance automatic regulation arm test bench - Google Patents
Dynamic braking simulation apparatus for vehicle braking clearance automatic regulation arm test bench Download PDFInfo
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Abstract
The invention provides a dynamic braking simulation device for an automobile brake-clearance automatic adjustment arm test bed, belonging to the technical field of machinery and solving the problems of unreal simulation effect, low security performance and small application scope in the prior art. The dynamic braking simulation device for the automobile brake-clearance automatic adjustment arm test bed comprises a bracket; a rotating shaft is rotatably connected with the bracket; the rotating shaft is provided with a wheel hub component which can be synchronously rotated with the rotating shaft; one end of the wheel hub component is provided with a drive mechanism which is connected with the rotating shaft to drive the wheel hub component to rotate, while the other end of the wheel hub component is provided with an adjustment arm; a braking shaft is arranged between the wheel hub component and the adjustment arm; one end of the braking shaft can be connected with the wheel hub component, while the other end is connected with the adjustment arm; and the wheel hub component can realize braking when the adjustment arm drives the braking shaft to rotate. The invention can simulate the automobile in a room to test the performance of the adjustment arm in different situations, with true simulation effect and high security performance.
Description
Technical field
The invention belongs to field of mechanical technique, relate to the dynamic brake analogue means of a kind of vehicle braking clearance automatic regulation arm test bench, particularly a kind of vehicle braking clearance automatic regulation arm test bench.
Background technology
Arm for adjusting automobile brake clearance automatically is that China begins at the main safety product of the automobile of Chinese development in the later stage nineties in last century, uses at China's braking car recent years greatly to be developed.For example, Chinese patent literature discloses a kind of arm for adjusting automobile brake clearance automatically [application number: 200710055529.3; Publication number CN101173701A], it comprises a housing, and worm gear and worm shaft are housed in the housing, an end of worm shaft is provided with big spring, spring base and adjustment blind nut, on the other end diameter of axle of described worm shaft the flute profile overrunning clutch is housed; Described flute profile mono-directional overrun clutch comprises: sleeve, passive cross helical gear, clutch coupling moving plate, clutch coupling stator, spring collar and spring; The passive cross helical gear of flute profile overrunning clutch is meshed with the active cross helical gear of gap control device; The control arm assembly coaxial with worm gear is housed in worm wheel aperture, and the sun gear in the control arm assembly is meshed with the planetary gear of gap control device.
At present, adjust problems such as meeting appearance " toning ", " heating ", " irregular wear ", " losing " in the arm use automatically from conditioning function.Phenomenon for " toning ", be because brake drum expansion under the high temperature, dwindle after the cooling, make that the gap dwindles between brake drum and shoe brake, cause " toning " phenomenon, promptly " toning " appear at mainly that the new car initial stage uses or test high temperature running in stage, and appear at the frequent occasion of braking such as mountain area.Arm for adjusting automobile brake clearance automatically can't carry out performance test at existing the problems referred to above before dispatching from the factory, can only wait and adjust arm and load onto behind the automobile, also can only put into effect regulation at relevant in test government such as " toning " problem and put teeth in again by testing together by car load.Obviously, adjust more dangerous that arm does not carry out becoming when performance test makes complete vehicle test before dispatching from the factory, as defective also will the replacing occur and adjust arm complete vehicle test again again, make the particularly complexity that whole test becomes; Also have complete vehicle test can't carry out to adjusting the performance test of arm in each rugged surroundings.Adjust arm at present and belong to series of products, circulation has thousands of kinds in the world, and the shape of the different spline of model is also different, can't carry out the car load test to this product again but produce the producer that adjusts arm.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed the dynamic brake analogue means of the vehicle braking clearance automatic regulation arm test bench that a kind of simulate effect is true, security performance is high at existing technology.
Purpose of the present invention can realize by following technical proposal: a kind of dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench, it is characterized in that, this device comprises support, on support, be provided with the rotating shaft that is rotationally connected with it, in rotating shaft, be provided with the hub unit that can rotate synchronously with rotating shaft, one end of hub unit is provided with the driving mechanism that is used for the rotation of drive hub assembly that links with rotating shaft, the other end is provided with the adjustment arm, between hub unit and adjustment arm, be provided with brake axle, one end of brake axle can link with hub unit, the other end links with adjusting arm, and can make hub unit realize braking when adjusting when arm drives the brake axle rotation.
Hub unit is equal to the brake assemblies of automobile, driving mechanism drives rotating shaft and is equal to automobile low speed and runs at high speed, rotating shaft driven wheel hub assembly rotates, do the time spent and adjust the brake axle that arm links and to rotate when adjustment arm to be tested is subjected to external force, adjust arm this moment and can realize braking hub unit.
In the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench of the above, described driving mechanism comprises drive motor, flywheel and clutch coupling, the motor shaft of described drive motor links by clutch coupling and rotating shaft and can drive rotating shaft and rotates, and the motor shaft of described flywheel and drive motor links and can rotate synchronously along with motor shaft.Clutch coupling can make the motor shaft of drive motor no longer drive rotating shaft to rotate when hub unit is braked, i.e. the drive motor separated attitude that dallies, thus prevent that drive motor from burning.Flywheel has the effect that can produce inertial force, thereby has realized that simulated automotive has the actual conditions of inertial force, makes it the more true to nature of whole dynamic brake analogue means simulation.
In the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench of the above, described motor shaft links to each other with a transmission shaft by driving-belt, and an end of transmission shaft links to each other with clutch coupling, and the other end links to each other with flywheel.Transmission shaft is connected by driving-belt with drive motor, and the length of driving-belt can be regulated, thereby makes the bigger of spatial dimension change that drive motor is installed make that also installation is more convenient and flexible.
In the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench of the above, described hub unit comprises a wheel hub that is connected with rotating shaft, in wheel hub, be provided with shoe brake and cam, described cam is located at the sidepiece of shoe brake, and cam is fixed on above-mentioned brake axle end.
Hub unit comprises wheel hub, shoe brake and camshaft, and camshaft and brake axle are connected and are provided with in the wheel hub, and shoe brake is arranged between wheel hub inwall and the cam.When the adjustment arm was subjected to external force, brake axle drove camshaft and rotates, and cam leans shoe brake makes shoe brake press the wheel hub inwall until braking.When shoe brake presses the wheel hub braking, brake-shoe sector-meeting wearing and tearing, as the wear extent that repeats to brake shoe brake can increase, and makes it shoe brake and wheel hub inwall spacing and becomes big, can adjust worm gear and worm screw automatically and makes shoe brake and wheel hub inwall return to original spacing thereby adjust arm this moment.Under the rugged surroundings of simulation, when repeating or during frequent braking, adjust arm and the spacing between shoe brake and the wheel hub inwall can be remained in the value of setting all the time, thereby it is qualified to illustrate that this adjusts arm performance test, what deny is defective.
In the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench of the above, described adjustment arm and an output shaft link, output shaft is connected by shaft coupling and brake axle, is provided with the torsion torque sensor that is used to measure brake axle torsion on shaft coupling.Torsion torque sensor is arranged on the shaft coupling between output shaft and the brake axle, and the torsion of the brake axle that it is measured is that whether qualified evaluation adjust one of arm standard.
In the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench of the above, be fixed with sensor one on the described shaft coupling, be fixed with the sensor two that the sensor one departs from mutually on the described support, sensor one links to each other with warning device with sensor two, and when the brake axle rotational angle reaches setting value, above-mentioned sensor one is opposed with the sensor two-phase, and produces the control signal that can make warning device work.When initial, sensor one is the net thickness of shoe brake with the distance that sensor two departs from, wearing and tearing appear in the brake-shoe sector-meeting when repeating to brake, sensor one is relative with sensor two when the shoe brake net thickness has worn and torn, this moment, warning device sent alerting signal, tell people to need the shoe brake that in time more renews, otherwise the fixedly screw wearing and tearing wheel hub of shoe brake can occur, even security incident can occur.
In the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench of the above, described shoe brake is provided with and is used to measure wheel hub and the shoe brake gap sensor of spacing between the two.Gap sensor detect wheel hub and shoe brake between the two spacing be that whether qualified comparatively directly data of arm are adjusted in evaluation.
In the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench of the above, described drive motor is a double-speed motor.Double-speed motor realizes that the test board simulated automotive has the actual conditions of friction speed, makes it the more true to nature of whole dynamic brake analogue means simulation.
Compared with prior art, the present invention has advantage:
1, this vehicle braking clearance automatic regulation arm test bench provide a kind of can the lab simulation automobile under different situations to adjusting the instrument that the arm performance is tested.
2, the dynamic brake analogue means of this vehicle braking clearance automatic regulation arm test bench adopts and at the driving mechanism place flywheel simulated automotive to be set and to have the actual conditions of inertia, thereby makes the more true to nature of whole dynamic brake analogue means simulation.
3, the dynamic brake analogue means of this vehicle braking clearance automatic regulation arm test bench adopts the rotation of double-speed motor drive hub, and simulated automotive has the actual conditions of friction speed, makes it the more true to nature of whole dynamic brake analogue means simulation.
4, the dynamic brake analogue means of this vehicle braking clearance automatic regulation arm test bench is connected by clutch coupling with transmission shaft in rotating shaft, clutch coupling can make drive motor no longer drive the rotating shaft rotation when wheel hub is braked, be drive motor idle running, thereby prevent that drive motor from burning, improved the security of whole test board.
Description of drawings
Fig. 1 is the stereographic map of this vehicle braking clearance automatic regulation arm test bench.
Fig. 2 is the front view of this vehicle braking clearance automatic regulation arm test bench.
Fig. 3 is the another kind of stereographic map of this vehicle braking clearance automatic regulation arm test bench.
Fig. 4 is the perspective view of the dynamic brake analogue means of this vehicle braking clearance automatic regulation arm test bench.
Fig. 5 is the another kind of structural perspective of the dynamic brake analogue means of this vehicle braking clearance automatic regulation arm test bench.
Fig. 6 is the wheel hub inner structure stereographic map of the dynamic brake analogue means of this vehicle braking clearance automatic regulation arm test bench.
Fig. 7 is the part-structure stereographic map of the dynamic brake analogue means of this vehicle braking clearance automatic regulation arm test bench.
Among the figure, 1, simulation box 2, frame; 3, adjust arm installation apparatus; 4, dynamic brake analogue means; 5, control panel; 6, adjust arm; 7, support; 8, rotating shaft; 9, brake axle 10, drive motor; 11, motor shaft; 12, driving-belt; 13, transmission shaft; 14, power wheel; 15, bearing; 16, flywheel; 17, clutch coupling; 18, wheel hub; 19, shoe brake 20, central shaft 21, gap sensor; 22, cam; 23, output shaft; 24, shaft coupling 25, torsion torque sensor; 26, sensor one; 27, sensor
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As Fig. 1, Fig. 2 and shown in Figure 3, vehicle braking clearance automatic regulation arm test bench is to be used for simulated automotive under friction speed and each rugged surroundings arm for adjusting automobile brake clearance automatically 6 to be carried out performance test.Test board comprises frame 2, is provided with to adjust arm installation apparatus 3, dynamic brake analogue means 4, simulation box 1, control panel 5 on frame 2.Adjust arm installation apparatus 3 and be the driving mechanism that promotes to adjust arm 6 housings when being used to install and fix adjustment arm 6 to be tested and simulated automotive brake; Dynamic brake analogue means 4 is to be used for simulated automotive to brake under friction speed; Make the various simulation rugged surroundings of generation at simulation box 1, adjust arm 6 and be arranged in the simulation box 1; Control panel 5 is the environment of direct or indirect control simulation box 1 and the data that demonstration obtains being correlated with.Test board is to carry out comparing to determine whether the adjustment arm of being tested 6 is qualified with the standard of discussing and deciding after the analyzing and processing according to the related data that obtains.
As Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7, dynamic brake analogue means 4 comprises support 7, rotating shaft 8, hub unit and driving mechanism.
Specifically, dynamic brake analogue means 4 comprises support 7, on support 7, be provided with the rotating shaft 8 that is rotationally connected with it, in rotating shaft 8, be provided with the hub units that can rotate synchronously with rotating shaft 8, one end of hub unit is provided with the driving mechanism that is used for the rotation of drive hub assembly that links with rotating shaft 8, and the other end is provided with adjusts arm 6.Between hub unit and adjustment arm 6, be provided with brake axle 9, one end of brake axle 9 can link with hub unit, the other end with link with an output shaft 23, output shaft 23 is connected by shaft coupling 24 and brake axle 9, be provided with the torsion torque sensor 25 that is used to measure brake axle 9 torsion on shaft coupling 24, the torsion of the brake axle 9 that torsion torque sensor 25 is measured is that whether qualified evaluation adjust one of arm 6 standard.
Driving mechanism comprises drive motor 10, flywheel 16 and clutch coupling 17, described drive motor 10 is arranged on support 7 belows and is fixed on the frame 2, the motor shaft 11 of drive motor 10 links by driving-belt 12 and a transmission shaft 13 that is arranged on the support 7, for rotation more is stabilized in power wheel 14 is set on the transmission shaft 13, driving-belt 12 is set on motor shaft 11 and the power wheel 14.One end of transmission shaft 13 links to each other with clutch coupling 17, and the other end links to each other with flywheel 16, and transmission shaft 13 is equipped with support 7 places of linking and can makes transmission shaft 13 rotate bearing 15 more flexibly.Described flywheel 16 is along with drive motor 10 rotates synchronously, and the flywheel 16 of rotation has the effect that can produce inertial force, thereby has realized that simulated automotive has the actual conditions of inertial force, makes it the more true to nature of whole dynamic brake analogue means 4 simulations.Described clutch coupling 17 links together rotating shaft 8 and transmission shaft 13, clutch coupling 17 can make drive motor 10 no longer drive rotating shaft 8 rotations when hub unit is braked, be drive motor 10 idle running, thereby prevent that drive motor 10 from burning, and improved the security of whole test board.Described drive motor 10 is a double-speed motor, and double-speed motor realizes that the test board simulated automotive has the actual conditions of friction speed, makes it the more true to nature of whole dynamic brake analogue means 4 simulations.
Hub unit comprises wheel hub 18, shoe brake 19 and cam 22, and wheel hub 18 is connected with rotating shaft 8, is provided with central shaft 20 and makes it wheel hub 18 and rotate more steadily in wheel hub 18, and central shaft 20 is fixed on the support 7; Cam 22 is fixed together to integral structure with brake axle 9 and is provided with in the wheel hub 18, and shoe brake 19 is arranged between wheel hub 18 inwalls and the cam 22.Be provided with on shoe brake 19 and be used to measure wheel hub 18 and shoe brake 19 gap sensor 21 of spacing between the two, gap sensor 21 detected data are that whether qualified comparatively directly data of arm 6 are adjusted in evaluation.When adjustment arm 6 was subjected to external force, brake axle 9 drove cams 22 and rotates, and cam 22 leans shoe brake 19 makes shoe brake 19 press wheel hub 18 inwalls until braking.When shoe brake 19 presses wheel hub 18 brakings, shoe brake 19 can wear and tear, as the wear extent that repeats to brake shoe brake 19 can increase, make it shoe brake 19 and wheel hub 18 inwall spacings and become big, arm 6 can be adjusted turbine automatically and worm screw makes shoe brake 19 and wheel hub 18 inwalls return to original spacing thereby adjust this moment.Under the rugged surroundings of simulation, when repeating or during frequent braking, adjust arm 6 and the spacing between shoe brake 19 and wheel hub 18 inwalls can be remained in the value of setting all the time, thereby it is qualified to illustrate that this adjusts arm 6 performance tests, what deny is defective.
On shaft coupling 24, be fixed with sensor 1, be fixed with the sensor 2 27 that the sensor 1 departs from mutually on the described support 7, sensor 1 links to each other with warning device with sensor 2 27, and when brake axle 9 rotational angles reach setting value, above-mentioned sensor 1 is mutually opposed with sensor 2 27, and produces the control signal that can make warning device work.When initial, sensor 1 is the net thickness of shoe brake 19 with the distance that sensor 2 27 departs from, wearing and tearing can appear in shoe brake 19 when repeating to brake, sensor 1 is relative with sensor 27 when shoe brake 19 net thickness have worn and torn, this moment, warning device sent alerting signal, tell people to need the shoe brake 19 that in time more renews, otherwise the fixedly screw wearing and tearing wheel hub 18 of shoe brake 19 can occur, even security incident can occur.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used simulation box 1 morely; Frame 2; Adjust arm installation apparatus 3; Dynamic brake analogue means 4; Control panel 5; Adjust arm 6; Support 7; Rotating shaft 8; Brake axle 9; Drive motor 10; Motor shaft 11; Driving-belt 12; Transmission shaft 13; Power wheel 14; Bearing 15; Flywheel 16; Clutch coupling 17; Wheel hub 18; Shoe brake 19; Central shaft 20; Gap sensor 21; Cam 22; Output shaft 23; Shaft coupling 24; Torsion torque sensor 25; Sensor 1; Sensor 2 27 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (7)
1. the dynamic brake analogue means of a vehicle braking clearance automatic regulation arm test bench, it is characterized in that, this device comprises support (7), on support (7), be provided with the rotating shaft (8) that is rotationally connected with it, in rotating shaft (8), be provided with the hub unit that can rotate synchronously with rotating shaft (8), one end of hub unit is provided with the driving mechanism that is used for the rotation of drive hub assembly that links with rotating shaft (8), the other end is provided with adjusts arm (6), between hub unit and adjustment arm (6), be provided with brake axle (9), one end of brake axle (9) can link with hub unit, the other end links with adjusting arm (6), and can make hub unit realize braking when adjusting when arm (6) drives brake axle (9) rotation; Described hub unit comprises a wheel hub (18) that is connected with rotating shaft (8), in wheel hub (18), be provided with shoe brake (19) and cam (22), described cam (22) is located at the sidepiece of shoe brake (19), and cam (22) is fixed on above-mentioned brake axle (9) end.
2. the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench according to claim 1, it is characterized in that, described driving mechanism comprises drive motor (10), flywheel (16) and clutch coupling (17), the motor shaft (11) of described drive motor (10) links by clutch coupling (17) and rotating shaft (8) and can drive rotating shaft (8) and rotates, and the motor shaft (11) of described flywheel (16) and drive motor (10) links and can rotate synchronously along with motor shaft (11).
3. the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench according to claim 2, it is characterized in that, described motor shaft (11) links to each other with a transmission shaft (13) by driving-belt (12), one end of transmission shaft (13) links to each other with clutch coupling (17), and the other end links to each other with flywheel (16).
4. according to the dynamic brake analogue means of claim 1 or 2 or 3 described vehicle braking clearance automatic regulation arm test bench, it is characterized in that, described adjustment arm (6) links with an output shaft (23), output shaft (23) is connected by shaft coupling (24) and brake axle (9), is provided with the torsion torque sensor (25) that is used to measure brake axle (9) torsion on shaft coupling (24).
5. the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench according to claim 4, it is characterized in that, be fixed with sensor one (26) on the described shaft coupling (24), be fixed with the sensor two (27) that departs from mutually with the sensor one (26) on the described support (7), sensor one (26) and sensor two (27) link to each other with warning device, and when brake axle (9) when rotational angle reaches setting value, above-mentioned sensor one (26) is mutually opposed with sensor two (27), and produces the control signal that can make warning device work.
6. the dynamic brake analogue means of vehicle braking clearance automatic regulation arm test bench according to claim 4, it is characterized in that described shoe brake (19) is provided with and is used to measure wheel hub (18) and shoe brake (19) gap sensor of spacing (21) between the two.
7. according to the dynamic brake analogue means of claim 2 or 3 described vehicle braking clearance automatic regulation arm test bench, it is characterized in that described drive motor (10) is a double-speed motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101214021A CN101368880B (en) | 2008-09-27 | 2008-09-27 | Dynamic braking simulation apparatus for vehicle braking clearance automatic regulation arm test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101214021A CN101368880B (en) | 2008-09-27 | 2008-09-27 | Dynamic braking simulation apparatus for vehicle braking clearance automatic regulation arm test bench |
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| Publication Number | Publication Date |
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| CN101368880A CN101368880A (en) | 2009-02-18 |
| CN101368880B true CN101368880B (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101214021A Expired - Fee Related CN101368880B (en) | 2008-09-27 | 2008-09-27 | Dynamic braking simulation apparatus for vehicle braking clearance automatic regulation arm test bench |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267503B (en) * | 2013-04-24 | 2015-11-18 | 中国航空工业集团公司北京长城航空测控技术研究所 | The dynamic calibration testing table of engine blade tip clearance survey sensor |
| CN104457661B (en) * | 2014-04-01 | 2017-02-15 | 太原重工股份有限公司 | Detecting device capable of adjusting transmission gap and transmission gap adjusting mechanism |
| ES2806507T3 (en) * | 2014-04-03 | 2021-02-17 | Yigal Livne | Smart coupling |
| CN104849161A (en) * | 2015-04-29 | 2015-08-19 | 西安顺通机电应用技术研究所 | Automatic inertial flywheel disengaging-engaging mechanism for testbed |
| CN107402121B (en) * | 2017-05-25 | 2023-07-18 | 浙江万安科技股份有限公司 | Automatic durable testing arrangement of adjustment arm |
| CN108458865A (en) * | 2018-04-10 | 2018-08-28 | 靖江市恒大汽车部件制造有限公司 | Self-regulated arm performance test stand |
| CN109030027A (en) * | 2018-08-30 | 2018-12-18 | 靖江市恒大汽车部件制造有限公司 | Homophony mechanism test bench |
| CN110060560B (en) * | 2019-04-26 | 2021-09-14 | 重庆科创职业学院 | Automobile brake system teaching simulation equipment |
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2008
- 2008-09-27 CN CN2008101214021A patent/CN101368880B/en not_active Expired - Fee Related
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Assignee: Zhejiang Austrian Machinery Manufacturing Co., Ltd. Assignor: Huang Meihua Contract record no.: 2012330000390 Denomination of invention: Dynamic braking simulation apparatus for vehicle braking clearance automatic regulation arm test bench Granted publication date: 20100922 License type: Exclusive License Open date: 20090218 Record date: 20120618 |
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Effective date of registration: 20180409 Address after: 317600 Yuhuan city of Zhejiang Auto Motorcycle Industrial Park Patentee after: Zhejiang Olympic machinery Limited by Share Ltd Address before: 317600 Zhejiang Yuhuan County Yuhuan automobile and motorcycle industrial zone Zhejiang Austrian Machinery Manufacturing Co., Ltd. Patentee before: Huang Meihua |
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Assignee: Zhejiang Austrian Machinery Manufacturing Co., Ltd. Assignor: Huang Meihua Contract record no.: 2012330000390 Date of cancellation: 20200318 |
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Granted publication date: 20100922 Termination date: 20200927 |