CN204302008U - A kind of axle assembly braking break-in experiment table - Google Patents
A kind of axle assembly braking break-in experiment table Download PDFInfo
- Publication number
- CN204302008U CN204302008U CN201420767767.2U CN201420767767U CN204302008U CN 204302008 U CN204302008 U CN 204302008U CN 201420767767 U CN201420767767 U CN 201420767767U CN 204302008 U CN204302008 U CN 204302008U
- Authority
- CN
- China
- Prior art keywords
- axle assembly
- experiment table
- wheel
- break
- follower rollers
- 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
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a kind of axle assembly braking break-in experiment table, comprises experiment table, kinematic train, hydraulic system, pneumatic system and the electrical system for monitoring in real time each system; The operation compared with test of setting out on a journey of the utility model and tradition is easier, fixing more firm convenience compared with anti-force rolling brake testing platform simultaneously, only axle assembly need be fixed, wheel is there will not be to jump out the situation of experiment table, brake simultaneously and can detect brake drum intuitively after break-in and friction disc gap changes and damping force changes, work efficiency is higher, and testing result is more accurate.
Description
Technical field
The utility model relates to test experience platform, is specifically related to a kind of experiment table for improving drum brake braking running-in characteristic in axle assembly.
Background technology
In automobile automobile safety performance, braking ability is as the leading indicator detected, in GB21861 standard, have clear and definite requirement and detection method.The quality of automobile brake perfrmance is main relevant to automotive brake usefulness, and the larger then brake efficiency of contact area of brake bush and brake drum is higher.The automobile newly dispatched from the factory or maintain and replace axle assembly automobile, except will adjusting the mutual gap of detent inner attrition piece and brake drum, also pressure break-in must be carried out, to increase its contact area, improve contact condition, play axle assembly braking ability to greatest extent.
At present, the axle assembly braking break-in of automobile is by set out on a journey or car load carries out in frame, break-in of setting out on a journey affects larger by the factor such as road, weather, and travel tens kilometers or kilometer up to a hundred, spend a large amount of oil plants, time and manpower, and the size of break-in power, running-in effect all cannot can only carry out by fixing quantity by rule of thumb; Frame break-in improves one of the most most economical means of automobile brake perfrmance, usual employing anti-force type drum braking experiment table carries out break-in detection to car load, equipment volume is comparatively large, and operation inconvenience, cannot carry out Monitoring and Controlling for the break-in of brake drum and friction disc intuitively.
Utility model content
For current Problems existing and actual conditions, the purpose of this utility model is to provide a kind of axle assembly to brake break-in experiment table; The surface of contact of car load to brake drum and friction disc can be simulated by means of only axle assembly by this experiment table and carry out break-in, braking ability is detected simultaneously, without the need to carrying out detection operation to car load, whole experiment table takes up room less, operating process is more convenient, improves the efficiency of running-in effect and braking forces measuring.
For solving the problem, the utility model by the following technical solutions:
A kind of axle assembly braking break-in experiment table, comprises experiment table, kinematic train, hydraulic system, pneumatic system and the electrical system for monitoring in real time each system;
Described kinematic train is made up of symmetrically arranged two gear trains, gear train described arbitrarily comprises motor, flywheel, drive roll and follower rollers, described motor is connected with frequency converter, the final drive shaft be arranged on bearing seat is provided with between motor and flywheel, one end of described final drive shaft is connected by clutch coupling with between motor output shaft, the other end of final drive shaft is connected by gear drive with between flywheel, and described final drive shaft is provided with driving wheel; Described drive roll and follower rollers to be disposed in parallel on experiment table and head and the tail alignment, drive roll and follower rollers are coaxially installed with the first engaged wheel and the second engaged wheel in the same direction respectively, are in transmission connection between described driving wheel and first, second engaged wheel by link gear;
Described hydraulic system comprises: be arranged on the hydraulic elevator platform between described two gear trains on experiment table, is arranged on the mount pad of hydraulic elevator platform surface for fixing axle assembly, and for driving the hydraulic power unit of hydraulic elevator platform;
Described pneumatic system comprises the air compressor machine of band pneumatic valve, and the air compressor machine of described band pneumatic valve is connected by pipeline with axle assembly brake chamber.
Further, also comprise cooling system, described cooling system is made up of the water tank be connected successively, the band water pump of operation valve and cooling tube, and the nozzle of described cooling tube is right against axle assembly brake drum position.
Further, described hydraulic elevator platform surface is provided with guide rail, described guide rail is connected with two slide blocks; Described mount pad is made up of two spring blocks, and described two spring blocks are separately fixed on two slide blocks.
Further, described drive roll and follower rollers are surface band dental roller, and be also provided with a ganoid back-up roller between drive roll and follower rollers, described drive roll, follower rollers and back-up roller form inverted triangle structure jointly.
Further, the outside of described drive roll and follower rollers is arranged with two slide bars, and described two slide bars are connected with wheel protection cover; Flywheel protective cover is arranged with outside described flywheel.
Further, described link gear comprises the power wheel be coaxially connected with the first engaged wheel, and described driving wheel is connected by belt gear with between power wheel, and described first engaged wheel is connected by belt gear with between the second engaged wheel.
The beneficial effects of the utility model are: the utility model is according to the braking principle of anti-force rolling brake testing platform, design the brand-new experiment table structure for axle assembly, only need carry out braking break-in to the axle assembly be fixed on experiment table, operate without the need to car load, driving conditions is rotated by driven by motor cylinder, drum having motor car wheel rotates, simultaneously by a part of kinetic energy storage in flywheel, hydraulic elevator platform drives axle assembly to press down simulation axle assembly load, in braking procedure, motor and clutch separation, the inertia band motor car wheel of flywheel is relied on to continue to rotate, now axle assembly brake chamber passes into pressurized air and makes drum brake carry out braking break-in, when decelerating to below setting value, clutch coupling is again connected with motor and carries out driving conditions, so can constantly repeat to brake the period of adjustment.It is easier that operation is compared in more traditional test of setting out on a journey, fixing more firm convenience compared with anti-force rolling brake testing platform simultaneously, only axle assembly need be fixed, wheel is there will not be to jump out the situation of experiment table, brake simultaneously and can detect brake drum intuitively after break-in and friction disc gap changes and damping force changes, work efficiency is higher, and testing result is more accurate.
Accompanying drawing explanation
Be described in further detail with regard to embodiment of the present utility model below in conjunction with accompanying drawing, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that the utility model coordinates with axle assembly.
Embodiment
With reference to a kind of axle assembly braking break-in experiment table shown in accompanying drawing 1-2, comprise experiment table 1, kinematic train, hydraulic system, pneumatic system and the electrical system for monitoring in real time each system.
Kinematic train is made up of symmetrically arranged two gear trains, any one gear train all comprises motor 3, flywheel 8, drive roll 18 and follower rollers 20, motor 3 is connected with frequency converter 2, the final drive shaft be arranged on bearing seat 6 is set between motor 3 and flywheel 8, one end of final drive shaft is connected by clutch coupling 4 with the output shaft of motor 3, the other end of final drive shaft is provided with driving gear 11, the transmission shaft of flywheel 8 is fixed on bearing seat 7, end part of driving shaft is provided with follower gear 10, and driving gear 11 and follower gear 10 engage each other; Driving wheel 5 is installed in the middle part of final drive shaft; Drive roll 18 and follower rollers 20 to be disposed in parallel on experiment table 1 and head and the tail alignment, drive roll 18 and follower rollers 20 are all coaxially installed with the first engaged wheel 15 and the second engaged wheel 17 in side, the power wheel 12 that transmission shaft 14 one end of first engaged wheel 15 also coaxially connects, be in transmission connection by belt 13 between driving wheel 5 and power wheel 12, be in transmission connection by belt 16 between the first engaged wheel 15 and the second engaged wheel 17.
Hydraulic system comprises: be arranged on the hydraulic elevator platform 29 between two gear trains on experiment table 1, hydraulic elevator platform 29 comprises two hydraulic stems 31 and hydraulic cylinder 30, hydraulic elevator platform surface is provided with guide rail 21, and the two ends, left and right of guide rail 21 are connected with two slide blocks 22 respectively; Two slide blocks 22 are respectively equipped with a spring block 23, axle assembly 35 is fixed on spring block 23 by set bolt 32, can carry out the adjustment of slide block 22 to coordinate installation, have certain versatility according to different axle assemblies 35.Whole hydraulic elevator platform 29 is driven by hydraulic power unit 26 can drive axle assembly 35 oscilaltion, can simulate the load-carrying transport condition of car load, make there is enough adhesion between wheel 36 and cylinder simultaneously.
Pneumatic system comprises the air compressor machine 25 of band pneumatic valve, and air compressor machine 25 is connected by pipeline with the brake chamber of axle assembly 35, provides pressurized air, the frequency opened by control pneumatic valve and duration, comes the frequency and the braking duration of adjustable brake.
Electrical system is integrated in switch board 28, and is connected with above-mentioned each system respectively, primarily of compositions such as computing machine, counter and pressure transducers, for monitoring the rotating speed of wheel, and braking pressure, and the downforce load of vehicle bridge, and record braking number of times.
Further, also comprise cooling system 27, cooling system 27 is made up of the water tank be connected successively, the band water pump (with reference to existing design of Cooling System, not drawing in figure) of operation valve and cooling tube 34, and the nozzle of described cooling tube 34 is right against the brake drum position of axle assembly 35.Cooling tube 35 can universal adjustment, by operation valve water volume adjustable size, to adapt under different operating mode for the brake drum of axle assembly 35 provides cooling; And bad working environments and long descending can be simulated when braking continuously, under brake drum high-temperature condition, continuous water spray forces the actual travel road conditions of cooling.
Further, drive roll 18 and follower rollers 20 are surface band dental roller, a ganoid back-up roller 19 is also provided with between drive roll 18 and follower rollers 20, described drive roll 18, follower rollers 20 form inverted triangle structure jointly with back-up roller 19, can be firm support wheel 36, ensures adhesion.
Further, the outside of drive roll 18 and follower rollers 20 is arranged with on two slide bars, 24, two slide bars 24 and is socketed with wheel protection cover 33; Flywheel protective cover 9 is arranged with at the outer of flywheel 8; In order to guarantee handling safety, reduce the noise diffuse pollution of braking period of adjustment simultaneously.
Principle of work of the present utility model is as follows:
One, drive a vehicle the stage
Time initial, clutch coupling and motor are in released state, after two, left and right motor is opened simultaneously, reach after setting speed until motor, connect two clutch couplinges in left and right, driven by motor left and right gear train is started running; After motor speed is stable, fall hydraulic cylinder, wheel is contacted with follower rollers and back-up roller with drive roll, and wheel rotates with the gear train on both sides, regulates the electronically controlled proportional valve of hydraulic power unit simultaneously, makes axle weight reach setting value.Treat that whole kinematic train and wheel all reach setting speed, by switch board regulating and controlling to automatic mode, enter the braking cycle stage.
Two, the braking cycle stage
After entering the braking cycle stage, now left and right throw-out-of clutch, makes motor and gear train depart from, and now gear train relies on the inertia of flywheel to be rotated further.Then control pneumatic valve by switch board to open, brake chamber to axle assembly passes into the pressurized air of presetting air pressure, drive the drum brake of axle assembly to produce damping force, the frequency opened by control air valve and duration, come the adjustable brake frequency and braking duration.Wheel slows down after drum brake braking, forms reacting force, the rotation and the kinetic energy resistance overcoming large flywheel reduces speed now to cylinder.The friction force of cylinder to wheel tyre that now large flywheel drives overcomes the moment of friction of drum brake, maintain wheel to continue to rotate, the friction disc in drum brake and the abundant break-in of brake drum, time below decelerates to setting value, stop continuing to pass into pressurized air, braking stops.
After braking stops, two, left and right clutch coupling connects with motor shaft again, and driven by motor gear train rotates, and after wheel reaches the rotating speed of setting again, again brakes.So can ensure that the circulation of whole braking period of adjustment is carried out.
In whole braking break-in is carried out, electrical system records braking number of times automatically, monitoring braking pressure and motor speed, and according to test needs, reed time controll cooling system adds water-cooled; Braking force value can be solved according to existing damping force data processing method for the axle assembly after break-in, and measure the brake clearance of brake drum and friction disc by clearance gauge; Judge whether that needs proceed to brake break-in by technician.
The above; be only the better embodiment of the utility model; but the utility model protection domain is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore the utility model protection domain is as the criterion with the protection domain of claims.
Claims (6)
1. an axle assembly braking break-in experiment table, is characterized in that: comprise experiment table, kinematic train, hydraulic system, pneumatic system and the electrical system for monitoring in real time each system;
Described kinematic train is made up of symmetrically arranged two gear trains, gear train described arbitrarily comprises motor, flywheel, drive roll and follower rollers, described motor is connected with frequency converter, the final drive shaft be arranged on bearing seat is provided with between motor and flywheel, one end of described final drive shaft is connected by clutch coupling with between motor output shaft, the other end of final drive shaft is connected by gear drive with between flywheel, and described final drive shaft is provided with driving wheel; Described drive roll and follower rollers to be disposed in parallel on experiment table and head and the tail alignment, drive roll and follower rollers are coaxially installed with the first engaged wheel and the second engaged wheel in the same direction respectively, are in transmission connection between described driving wheel and first, second engaged wheel by link gear;
Described hydraulic system comprises: be arranged on the hydraulic elevator platform between described two gear trains on experiment table, is arranged on the mount pad of hydraulic elevator platform surface for fixing axle assembly, and for driving the hydraulic power unit of hydraulic elevator platform;
Described pneumatic system comprises the air compressor machine of band pneumatic valve, and the air compressor machine of described band pneumatic valve is connected by pipeline with axle assembly brake chamber.
2. a kind of axle assembly braking break-in experiment table according to claim 1, it is characterized in that: also comprise cooling system, described cooling system is made up of the water tank be connected successively, the band water pump of operation valve and cooling tube, and the nozzle of described cooling tube is right against axle assembly brake drum position.
3. a kind of axle assembly braking break-in experiment table according to claim 1, is characterized in that: described hydraulic elevator platform surface is provided with guide rail, described guide rail is connected with two slide blocks; Described mount pad is made up of two spring blocks, and described two spring blocks are separately fixed on two slide blocks.
4. a kind of axle assembly braking break-in experiment table according to claim 1, it is characterized in that: described drive roll and follower rollers are surface band dental roller, also be provided with a ganoid back-up roller between drive roll and follower rollers, described drive roll, follower rollers and back-up roller form inverted triangle structure jointly.
5. a kind of axle assembly braking break-in experiment table according to claim 1, is characterized in that: the outside of described drive roll and follower rollers is arranged with two slide bars, described two slide bars is connected with wheel protection cover; Flywheel protective cover is arranged with outside described flywheel.
6. a kind of axle assembly braking break-in experiment table according to claim 1, it is characterized in that: described link gear comprises the power wheel be coaxially connected with the first engaged wheel, described driving wheel is connected by belt gear with between power wheel, and described first engaged wheel is connected by belt gear with between the second engaged wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767767.2U CN204302008U (en) | 2014-12-09 | 2014-12-09 | A kind of axle assembly braking break-in experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767767.2U CN204302008U (en) | 2014-12-09 | 2014-12-09 | A kind of axle assembly braking break-in experiment table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302008U true CN204302008U (en) | 2015-04-29 |
Family
ID=53107539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420767767.2U Expired - Fee Related CN204302008U (en) | 2014-12-09 | 2014-12-09 | A kind of axle assembly braking break-in experiment table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204302008U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910885A (en) * | 2016-04-26 | 2016-08-31 | 郭玉 | Performance detection device for axle |
| CN106289808A (en) * | 2016-10-13 | 2017-01-04 | 重庆大江工业有限责任公司 | A kind of automobile non-driven front axle fortune ride frame and fortune car test method |
| CN111964830A (en) * | 2020-07-29 | 2020-11-20 | 东风汽车集团有限公司 | Dynamic test method for brake dragging torque |
| CN114559906A (en) * | 2022-03-04 | 2022-05-31 | 安徽安凯汽车股份有限公司 | Auxiliary braking mechanism for unmanned bus |
-
2014
- 2014-12-09 CN CN201420767767.2U patent/CN204302008U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910885A (en) * | 2016-04-26 | 2016-08-31 | 郭玉 | Performance detection device for axle |
| CN106289808A (en) * | 2016-10-13 | 2017-01-04 | 重庆大江工业有限责任公司 | A kind of automobile non-driven front axle fortune ride frame and fortune car test method |
| CN106289808B (en) * | 2016-10-13 | 2019-01-01 | 重庆大江工业有限责任公司 | A kind of non-driven front axle fortune ride frame of automobile and fortune vehicle test method |
| CN111964830A (en) * | 2020-07-29 | 2020-11-20 | 东风汽车集团有限公司 | Dynamic test method for brake dragging torque |
| CN111964830B (en) * | 2020-07-29 | 2022-03-15 | 东风汽车集团有限公司 | Dynamic test method for brake dragging torque |
| CN114559906A (en) * | 2022-03-04 | 2022-05-31 | 安徽安凯汽车股份有限公司 | Auxiliary braking mechanism for unmanned bus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104406797A (en) | Brake running-in experiment table for vehicle axle assembly | |
| CN204302008U (en) | A kind of axle assembly braking break-in experiment table | |
| CN103134692B (en) | Simulation test board line frame for electric car power-driven system | |
| CN110907204A (en) | Rail vehicle wheel-rail relation test bed and test method | |
| CN103439112A (en) | Comprehensive performance test bed for high-speed railway bearing | |
| CN110146309A (en) | A kind of wheel track testing stand based on wheel-to-rail contact | |
| CN101865785B (en) | Wheel wear resistance combined test stand of rail vehicle | |
| CN100420931C (en) | Test table of automobile braking ABS based on brake inertia test | |
| CN204405328U (en) | Rail vehicle bearing fault simulation test unit | |
| CN106769120B (en) | Railway vehicle elastic wheel loading test bed | |
| CN201488878U (en) | Railway vehicle wheel-disk brake testing machine | |
| CN109459128A (en) | A kind of fuel tank of vehicle oil liquid whine noise test macro | |
| CN102072820B (en) | Boosting type low-sliding-ware automobile anti-lock braking system/ automatic slip regulation (ABS/ASR) comprehensive test system | |
| CN204944857U (en) | A kind of wheel track fault detect testing table | |
| CN112798299B (en) | Automobile emission and automobile comprehensive safety inspection method | |
| CN107082065B (en) | General test bed for comprehensive performance of railway vehicle braking system and test control method thereof | |
| CN206095620U (en) | Wheel pair loading running -in test platform | |
| CN203132756U (en) | Automobile brake rotary drum running-in and brake performance testing apparatus | |
| CN202547946U (en) | Electric vehicle power-driven system artificial testboard truss | |
| CN207617702U (en) | A kind of rail traffic vehicles hydraulic brake system | |
| CN202075075U (en) | Full-time four-wheel-drive or six-wheel-drive vehicle chassis dynamometer | |
| CN212621480U (en) | Comprehensive test bench for automobile brake performance | |
| CN202693307U (en) | Friction driving type bearing performance testing equipment | |
| CN115876481A (en) | System and method for detecting service braking performance of forklift | |
| CN104535308A (en) | Connector rolling simulation test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20191209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |