CN100494950C - Simulating test table for disc type brake - Google Patents
Simulating test table for disc type brake Download PDFInfo
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- CN100494950C CN100494950C CNB2006101248813A CN200610124881A CN100494950C CN 100494950 C CN100494950 C CN 100494950C CN B2006101248813 A CNB2006101248813 A CN B2006101248813A CN 200610124881 A CN200610124881 A CN 200610124881A CN 100494950 C CN100494950 C CN 100494950C
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- main shaft
- flywheel
- disc
- motor
- friction
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Abstract
The simulating test table for disc type clutch includes a bench, a motor, one main shaft the motor drives, one friction disc fixture on one end of the main shaft, two friction plates and one cylinder. The main shaft is set through bearing seats on the bench; the friction plates set separately on two sides of the friction disc includes one fixed onto the bench and the other driven with the cylinder; and the main shaft is provided with one flywheel. Before test, the friction disc to be tested is fixed in the fixture. After the main shaft is driven with the motor, the flywheel accumulates energy like a running vehicle and the operation state of the disc type brake is simulated. The present invention has simple structure and accurate simulation result.
Description
Technical field
The present invention relates to the brake performance testing apparatus, particularly the disc brake performance test apparatus.
Background technology
Detent is an important component part of automobile, motorcycle, is vital safety feature, the important leverage that it is up-to-standard, function admirable is travel safety.Along with the development of society and the increase day by day of vehicle density, the superior braking ability of vehicle has caused the extensive concern of traffic control department and manufacturer, and traveling security is had higher requirement.
Evaluation index when carrying out braking ability test on road is a braking distance, be to control executor by the driver, by driver (between executor and detent, playing the parts combination of connection effect), finish braking procedure with the rightabout acting force of vehicle movement by the rubbing action on tire and ground by the detent generation.Therefore, the numerical value of ground damping force depends on the effect of two friction pairs, one is the friction force between detent inside brake lining pad and brake drum, and another is the adhesion between tire and ground, and wherein the motion state of adhesion and tire construction and pavement behavior, wheel is relevant.
At present, the test of brake performance mainly is to carry out on real vehicle, inefficiency, cost height; Therefore, a kind of experiment table that can test brake performance in the laboratory of market in urgent need.
Summary of the invention
Technical matters to be solved by this invention is: a kind of simulating test table for disc type clutch is provided, but this testing table disc for imitating disc like brake and disc for imitating disc like brake working condition, the disc brake performance is tested, for examination, evaluation, design disc brake provide foundation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
Simulating test table for disc type clutch, it comprises stand, motor, by motor-driven main shaft, be arranged on frictional disk anchor clamps, two friction discs, cylinder on main shaft one end;
Motor, cylinder are fixedly installed on the stand; Main shaft is arranged on the stand by bearing seat;
Two friction discs are separately positioned on the frictional disk both sides, and wherein a friction disc is fixedly installed on the stand, and another friction disc is by air cylinder driven;
Main shaft is provided with flywheel;
Be provided with the friction-disc electromagnetic clutch between motor and the main shaft.
In the such scheme, main shaft is arranged on the stand by two bearing seats; Flywheel is arranged between two bearing seats.
In the such scheme, the quantity of flywheel is more than two.
In the such scheme, be equipped with clutch coupling between each flywheel and the main shaft.
In the such scheme, the clutch coupling between flywheel and the main shaft is a slipping toothed electromagnetic clutch.
When testing table of the present invention is worked, earlier tested frictional disk is fixed on the anchor clamps, the frictional disk after installing is between two friction discs, and testing table can be started working.
The advantage of testing table of the present invention is:
When 1, the motor-driven main shaft rotated, the flywheel savings on the main shaft had energy, the energy when this has just obtained similar in appearance to vehicle ', and with the disc for imitating disc like brake working condition, structure is very simple.
2, testing table can imitate actual detent accurately with frictional disk, friction disc, cylinder disc for imitating disc like brake, the precision height, and use, dismounting, debugging are conveniently.
3, flywheel is arranged between two bearing seats, working stability.
4, the quantity of flywheel is more than two, can increase the energy of flywheel savings.
5, be equipped with clutch coupling between each flywheel and the main shaft, the energy of scalable flywheel savings realizes simulating the situation of different inertia.
6, be provided with clutch coupling between motor and the main shaft, can make the performance that motor does not cut off the power supply and makes the electromagnetic clutch disconnection test detent in the test performance process, thus the protection motor; Can also simulate the braking procedure under the various rotating speeds.
7, the clutch coupling between flywheel and the main shaft is slipping toothed electromagnetic clutch, and is simple in structure, allows the high-frequency combination.
8, simple in structure, volume is little, and cost is low, and is in light weight, carries convenient transportation, and the teaching aid that also can be used as on-the-spot teaching uses.
Description of drawings
Fig. 1 is the structural representation of testing table embodiment of the present invention
Fig. 2 is the structure cut-open view of motor and main shaft junction
Fig. 3 is the structure cut-open view of flywheel and clutch coupling
Fig. 4 is the structure cut-open view of frictional disk anchor clamps and friction disc
Fig. 5 is a testing table embodiment control system block diagram of the present invention
Fig. 6 is a cylinder control system block diagram
Embodiment
Simulating test table for disc type clutch embodiment of the present invention as shown in Figure 1, is arranged on frictional disk anchor clamps 4, two friction discs 5, cylinder 6 on main shaft 3 one ends at the main shaft 3 that it comprises stand 1, motor 2, driven by motor 2.
As shown in Figure 2, be provided with friction-disc electromagnetic clutch 11 between motor 2 moment of torsion output terminals and the main shaft 3.
Be equipped with clutch coupling 9 between each flywheel 8 and the main shaft 3, as shown in Figure 3, the clutch coupling 9 between flywheel 8 and the main shaft 3 is a slipping toothed electromagnetic clutch.
As shown in Figure 4, two friction discs 5 are separately positioned on frictional disk 10 both sides, and wherein a friction disc 5 is fixedly installed on the stand 1, and another friction disc 5 is driven by cylinder 6.
The motor 2 of the embodiment of the invention is selected for use the single-phase US of Taiwan Dong Li company to exchange continuous variable speed and is paid motor, the US540-002 type, and parameter is as follows:
Output power: 40w; Adjustable speed scope: 90～1700r/min; Rated current: 0.50A; Number of magnetic poles P:4;
Consumption of electric power: 90w; Start electric capacity: 2.5 μ F.
4 flywheels symmetric arrangement on main shaft 3 of the embodiment of the invention can reduce the computing ballance correction of flywheel in operation process like this.Wherein: one is adopted H=25mm, R=42.5mm, equivalent moment of inertia is 0.001kgm
2, weight is 1.005kg; Two are adopted H=25mm, R=47.8mm, equivalent moment of inertia is 0.002kgm
2, weight 1.239kg; Also having employing H=25mm, R=60mm, an equivalent moment of inertia is 0.004kgm
2, weight 2.062kg.
Realizing the coupling of simulated inertia, need be the relation design of geometric series with the equivalent inertia of each flywheel.When the simulated inertia size is calculated, should consider rotation system inertia, firm by motor shaft, shaft coupling, fast pulley, the movable wheel of rotation system inertia is firm, the combination of the inertia of jack clutch, main shaft and piece fixture, and its value is 0.002kgm
2
As shown in Figure 6, the cylinder control system of the embodiment of the invention obtains the size and the speed of the damping force that needs by regulating force value in the gas-holder and flow valve flow, and tensimeter shows the pressure size under the on-position, keeps this braking effect then.In the electrical control pneumatic circuit, cylinder 6 is to be controlled by microswitch, and direction valve adopts solenoid valve.Two-position three way solenoid directional control valve, throttling valve, surplus valve, tensimeter, compressed air source unit and checking cylinder are formed the braking driving system loop.Two-position three way solenoid directional control valve, throttling valve, surplus valve, checking cylinder are selected micro element for use; Source of the gas adopts miniature gas-holder, and selecting manometric range ability for use is 0-0.2MPA.
The bi-directional electromagnetic reversal valve is connected YAO earlier in braking procedure, and the checking cylinder action begins braking to the a1 position, then till tested small-sized detent stops operating with tested detent braking.After YAO is disconnected, checking cylinder is return under spring force.Checking cylinder is set back, and braking procedure finishes.Advantage is: simple in structure, cost is low, use is easy to maintenance.
The moulding of the embodiment of the invention can realize the globality of testing table, and has favorable damping, security and external styling.Wherein, main shaft 3 is carried out the simulation and the conversion of braking energy actual value, can be by computer monitoring.Piece fixture 4 should connect with main shaft by original installation form, by speed probe 12 measure analog machine rotating speeds.Charger is by micro-processor controlled servo-drive system, can accurately simulate the brake operating force in the actual driving.
As shown in Figure 5, the control system of the embodiment of the invention adopts computer control.Total data collection, processing and control are finished by computing machine.Hardware system includes 3 interfaces.Be A/D, D/A, I/O.A/D adopts 12 16 channel converters, is less than 20 μ s switching time, and sample frequency is 40kHz, can reach the high-speed sampling purpose.The defeated people's scope of analog quantity be 0V ~+5V and 4 signal input channels.D/A is a computing machine output simulating signal, uses 3 output channels, is used for cylinder 6, clutch coupling 9, the clutch coupling 11 of control brake device.I/O is used for and compunication for parallel defeated people's delivery outlet.
The embodiment of the invention can be braked control and measure detent initial velocity, brake cabin interval, braking number of times, and can realize on-line automatic acquisition process of multi channel signals and printing reports etc. by computing machine.
The control system principle of work of the embodiment of the invention is:
Send signal by computing machine and begin,, send instruction to single-chip microcomputer by the I/O interface; At first make single-chip microcomputer send instruction by D/A converter, clutch coupling 9 and motor are disconnected: single-chip microcomputer sends 3 road signals then: promptly one is by the timer record time; The 2nd, the tach signal with speed probe records by the A/D conversion, becomes digital signal and delivers in the single-chip microcomputer; The 3rd, single-chip microcomputer sends instruction by D/A converter, controls two-way electric control reversing valve and makes the braking driving system action, with its braking.The electromagnetic clutch that connects with flywheel also links together with D/A converter, so that single-chip microcomputer sends the analog case that the instruction control flywheel is realized different inertia.
The advantage of the embodiment of the invention is:
(1) volume is little, is about 800mm, wide 100mm, and high 200mm carries convenient transportation, and is in light weight, is no more than 20kg;
(2) measured data can be easily and computer interactive;
(3) analog machine can imitate the working method of actual brake tester, precision height accurately;
(4) clutch coupling and solenoid valve can easily be by Single-chip Controlling, and the response time is short;
(5) be to actual brake tester miniaturization, modeled reproduction, can impart knowledge to students easily in the teaching at the scene, detect for the laboratory provides all simulations.
The quantity of the flywheel 8 on the simulating test table for disc type clutch of the present invention also can be two, three, five ... Deng.
Claims (5)
1, simulating test table for disc type clutch is characterized in that: the main shaft (3) that it comprises stand (1), motor (2), driven by motor (2), be arranged on frictional disk anchor clamps (4), two friction discs (5), cylinder (6) on main shaft (3) one ends;
Motor (2), cylinder (6) are fixedly installed on the stand (1); Main shaft (3) is arranged on the stand (1) by bearing seat (7);
Two friction discs (5) are separately positioned on frictional disk (10) both sides, and wherein a friction disc (5) is fixedly installed on the stand (1), and another friction disc (5) is driven by cylinder (6);
Main shaft (3) is provided with flywheel (8);
Be provided with friction-disc electromagnetic clutch (11) between motor (2) and the main shaft (3).
2, testing table as claimed in claim 1 is characterized in that: main shaft (3) is arranged on the stand (1) by two bearing seats (7); Flywheel (8) is arranged between two bearing seats (7).
3, testing table as claimed in claim 1 is characterized in that: the quantity of flywheel (8) is more than two.
4, testing table as claimed in claim 3 is characterized in that: be equipped with clutch coupling (9) between each flywheel (8) and the main shaft (3).
5, testing table as claimed in claim 4 is characterized in that: the clutch coupling (9) between flywheel (8) and the main shaft (3) is a slipping toothed electromagnetic clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101248813A CN100494950C (en) | 2006-10-27 | 2006-10-27 | Simulating test table for disc type brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101248813A CN100494950C (en) | 2006-10-27 | 2006-10-27 | Simulating test table for disc type brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1945255A CN1945255A (en) | 2007-04-11 |
| CN100494950C true CN100494950C (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101248813A Expired - Fee Related CN100494950C (en) | 2006-10-27 | 2006-10-27 | Simulating test table for disc type brake |
Country Status (1)
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| CN (1) | CN100494950C (en) |
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| CN101430248B (en) * | 2008-12-17 | 2010-06-09 | 安徽巨一自动化装备有限公司 | Parking tensile force simulating device of vehicle |
| CN102323067B (en) * | 2011-08-15 | 2013-04-17 | 天津大学内燃机研究所 | System for testing temperature resistance of motorcycle brake |
| CN102749205A (en) * | 2012-06-28 | 2012-10-24 | 中国矿业大学 | Simulation braking bench for automobile disc brake |
| CN102818700A (en) * | 2012-08-20 | 2012-12-12 | 焦作制动器股份有限公司 | High-speed shaft brake inertia test table |
| US10691088B2 (en) | 2015-03-20 | 2020-06-23 | The Boeing Company | Programmable actuator simulation card |
| CN104990713B (en) | 2015-07-28 | 2017-05-17 | 江苏科技大学 | Automobile brake assembly fatigue test stand |
| CN105403397A (en) * | 2015-12-18 | 2016-03-16 | 海安县申菱电器制造有限公司 | Electromagnetic brake detection apparatus capable of simulating multiple loads |
| CN105652203A (en) * | 2015-12-29 | 2016-06-08 | 安徽威能电机有限公司 | High-rotation speed and large-torque brake motor test bench |
| CN105716983B (en) * | 2016-04-28 | 2018-05-15 | 吉林大学 | A kind of electrical analogue friction plate inertia subscale test platform of multi- scenarios method |
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| CN106525604A (en) * | 2016-10-20 | 2017-03-22 | 浙江工业大学 | Inertia disc mutual impinging type destructive test method and device for rotary shaft |
| CN106768587B (en) * | 2017-03-09 | 2022-05-13 | 江苏省特种设备安全监督检验研究院 | Device and method for testing static braking force of low-speed shaft brake energy efficiency test |
| CN107340048A (en) * | 2017-06-24 | 2017-11-10 | 中国矿业大学 | A kind of disk brake frictional noise analogue means and test system |
| CN109540555A (en) * | 2017-09-22 | 2019-03-29 | 中车唐山机车车辆有限公司 | A kind of micro- rail vehicle brake device testing stand and pilot system |
| CN108918313B (en) * | 2018-07-10 | 2020-09-22 | 普洛泰科莱生产线制造(佛山)有限公司 | Detection device for durability of automobile brake disc |
| CN109883674B (en) * | 2019-03-13 | 2021-06-25 | 中国矿业大学 | Testing method of braking simulation testing device for disc brake of kilometer deep well elevator |
| CN109799101A (en) * | 2019-03-15 | 2019-05-24 | 西南交通大学 | A kind of train braking property test platform for simulating complicated extreme environment operating condition |
| CN109799100B (en) * | 2019-03-15 | 2021-03-19 | 西南交通大学 | Modularized comprehensive brake performance test bench |
| CN110060560B (en) * | 2019-04-26 | 2021-09-14 | 重庆科创职业学院 | Automobile brake system teaching simulation equipment |
| CN110426214B (en) * | 2019-07-15 | 2021-07-16 | 浙江理工大学 | Brake force test board for automobile brake assembly |
| CN110954428A (en) * | 2019-12-21 | 2020-04-03 | 广州市番鸿汽车检测有限公司 | Automobile tire wear resistance test device and using method thereof |
| CN111521936A (en) * | 2020-04-08 | 2020-08-11 | 广东博智林机器人有限公司 | Inertia test platform and inertia test method for motor |
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Patent Citations (1)
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|---|---|---|---|---|
| US4468986A (en) * | 1981-04-02 | 1984-09-04 | Foret Systems, Inc. | Adjustable intermittent incremental advance system |
Non-Patent Citations (2)
| Title |
|---|
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| Publication number | Publication date |
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| CN1945255A (en) | 2007-04-11 |
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Granted publication date: 20090603 Termination date: 20111027 |