CN101216376A - Four-column type rail vehicle bogie rigidity detection system - Google Patents

Four-column type rail vehicle bogie rigidity detection system Download PDF

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Publication number
CN101216376A
CN101216376A CNA2008100502619A CN200810050261A CN101216376A CN 101216376 A CN101216376 A CN 101216376A CN A2008100502619 A CNA2008100502619 A CN A2008100502619A CN 200810050261 A CN200810050261 A CN 200810050261A CN 101216376 A CN101216376 A CN 101216376A
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China
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bogie
control
hydraulic
detection
vehicle
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CNA2008100502619A
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Chinese (zh)
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CN101216376B (en
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苏建
刘玉梅
孙磊
苏丽俐
徐观
单红梅
陈熔
张力斌
潘洪达
戴建国
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吉林大学
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Abstract

A rigidity detection system of four-column bogie of railway vehicles relates to railway vehicle performance detection equipment, which is designed for detecting the key kinetic parameters of bogie of railway vehicles under various motion states. The system comprises a mechanical system, a hydraulic system, a test system and a control system, wherein the mechanical system includes a gantry system (A) in frame structure composed of a crossbeam (1) and a vertical pillar (2), a five-degree-of-freedom force application system (F) composed of a simulated vehicle load pressure plate (5), a simulated vehicle load pressure column (4) and a simulated vehicle gravity center height adjusting mechanism (3), and a wheel pair positioning and clamping system (B) for clamping and positioning a rotation frame; the hydraulic system (E) includes a cylinder with vertical, longitudinal and transverse effects on the rotation frame; the test system includes a three-dimensional force detection system (G) and a rotation frame displacement detection system (C); and the control system is mainly composed of a hydraulic control system, an electric control system and a computer system.

Description

Four-column type rail vehicle bogie rigidity detection system
Technical field
The present invention relates to the rail vehicle performance detection apparatus, particularly relate to a kind of four-column type rail vehicle bogie rigidity detection system.
Background technology
1, offshore company's bogie checkout facility situation
Europe mainly contains two large-scale bogie production bases, and one is the GRAZ company of Siemens, and another is the Ke Lusuo company of ALSTOM.Bogie production base and the car body production in Europe is in different places, thus carrying out how not considering car body when the bogie parameters detects, but simulate car body at bogie top mounting platform.
European Company is in novel steering frame development process, the suspension parameter of bogie is calculated and optimize according to circuit spectrum, but this only is a Theoretical Calculation, after the bogie assembling is finished, one be, two be, reverse and whether the integral hanging parameter reaches designing requirement, must obtain by parameter test board, and carry out suitable correction.
2, domestic parameter of bogie testing table situation
No matter domesticly set up timing at novel steering, be locomotive, lorry or passenger car bogie, dynamicly chooses, the test of shaking of rolling of calculating and car load all finishes in Southwest Jiaotong University, and Southwest Jiaotong University also has the parameter detecting facility.
Domestic each railway manufacturing company did not all have the parameter detection equipment of bogie in the past, but development along with rolling stock, passenger train is introduced 200km/h and 300km/h technology, railway freight-car develops to heavy duty, and the parameter detection equipment of bogie is more and more important, Zhuzhou Electric Locomotive Plant, Qingdao four directions company all plans to set up bogie univers parameter checkout equipment.
Therefore, develop rational in infrastructure, method of testing effective railroad vehicle bogie rigidity test macro simple to operate, whether detect the bogie spring rate with this qualified, guaranteeing security, stationarity and the dynamic performance of vehicle operating, has been an extremely urgent task.
Summary of the invention
The objective of the invention is to provides a kind of four-column type rail vehicle bogie rigidity detection system in order to satisfy the detection needs to the major impetus mathematic(al) parameter under the various motion states of rail vehicle truck.This testing table has been by having adopted more reasonably force application system project organization, one after can satisfying the bogie assembling and finishing be, two be whole vertically, laterally, reverse, anti-crawling and the testing requirements of multi-form rigidity such as inclination; Its hydraulic control mode adopts servo force control; Three-dimensional force sensor is applied in this test macro to realize three-dimensional force measurement; The sequencing of test procedure, robotization make the detection of the damping characteristic of bogie rigidity under friction speed, various amplitude, different frequency more convenient.
The present invention ground above-mentioned purpose is achieved in that accompanying drawings is as follows:
A kind of four-column type rail vehicle bogie rigidity detection system, it is made up of mechanical system, hydraulic system, test macro, control system, mechanical system wherein comprises: be assembled into the gantry system A of framed structure by crossbeam 1 and column 2 by clamp device, the five degree of freedom force application system F that forms by simulation vehicle body load pressure plate 5, simulation vehicle body load pressure post 4 and simulation vehicle body height of C.G. adjusting mechanism 3 and to the wheel of the clamping and positioning of bogie to locating clip clamping system B; Hydraulic system E comprises bogie oil cylinder and Hydraulic Station vertical, vertical, laterally effect; Test macro comprises three-dimensional force detection system G and the main bogie displacement detection system C to be made up of grating displacement transducer 19 that mainly is made up of three-dimensional strength measurement sensor 13; Control system mainly is made up of hydraulic control system, electric control system and computer system.
This bogie rigidity test macro has solved because factors such as manufacturing process make bogie not reach the problem that design performance requires after manufacturing.Once just reach requirement by the dynamic performance of the adjusted bogie of parameter testing in the dynamic test process, shortened the product development construction cycle greatly, a large amount of test periods and funds have been saved, this Development of Test System success, to play an important role in the upgrade and replacement process of quickening China railways lorry product, application prospect is very wide.Have certain social benefit and economic benefit, help the development of society.
Description of drawings
Fig. 1 rail vehicle truck structural representation;
Fig. 2 four-column type rail vehicle bogie rigidity detection system outside drawing;
Fig. 3 four-column type rail vehicle bogie rigidity detection system front elevation;
Fig. 4 gantry system synoptic diagram;
Fig. 5 crossbeam reinforcement support assemblies figure;
Fig. 6 column reinforcement support assemblies figure;
Fig. 7 crossbeam clamping plate wiring layout;
Fig. 8 oil cylinder crossbeam bearing wiring layout;
Fig. 9 five degree of freedom force application system wiring layout;
Figure 10 five degree of freedom application of force ram system front elevation;
Figure 11 vehicle body vertical load pressure column and vehicle body load lower platen wiring layout;
Figure 12 five degree of freedom force application system lateral stiffness test synoptic diagram;
Figure 13 five degree of freedom force application system longitudinal rigidity test synoptic diagram;
Figure 14 five degree of freedom force application system gyro rigidity test synoptic diagram;
Figure 15 five degree of freedom force application system body roll test force synoptic diagram;
Figure 16 three-dimensional strength measurement sensor synoptic diagram;
Figure 17 three-dimensional strength measurement sensor and interface disc connection diagram;
Figure 18 three-dimensional force sensor interface disc cut-open view;
Figure 19 three-dimensional force detection system synoptic diagram;
Figure 20 bogie air spring and three-dimensional force sensor interface disc connection diagram;
Figure 21 bogie and three-dimensional force detection system connection diagram;
Figure 22 displacement detection system synoptic diagram;
Figure 23 displacement detection system partial schematic diagram;
Figure 24 wheel is to locating clip clamping system synoptic diagram;
Figure 25 hydraulic control system;
Figure 26 electric control system and computer system.
Among the figure: A-gantry system B-wheel is that air spring III-framework IV-wheel is a spring to V-one to locating clip clamping system C-vehicle frame displacement detection system D-bogie E-hydraulic system F-five degree of freedom force application system G-three-dimensional force detection system I-axle box II-two
1-crossbeam 2-column 3-simulation vehicle body height of C.G. adjusting mechanism 4-simulation load pressure column 5-simulation vehicle body load pressure plate 6-vertically acts on oil cylinder 7-and vertically acts on oil cylinder 8-top board 9-lower platen 10,11-and laterally act on oil cylinder 12-interface disc 13-three-dimensional force sensor 14-power transmission coupling seat 15-sensor installing plate 16-and measure plate 17-magnetic force gauge stand 18-grating chi erecting frame 19-vehicle frame grating displacement transducer 20-wheel rim and clamp embedding mouth 21-oil cylinder
Embodiment
The embodiment that provides below in conjunction with accompanying drawing is described in further detail patent structure of the present invention.
Consult Fig. 2,3,25,26, patent of the present invention relates to a kind of four-column type rail vehicle bogie rigidity detection system, and it mainly is made up of mechanical system, hydraulic system, test macro, control system etc.Wherein mechanical system mainly comprises: gantry system A is made up of nine crossbeams 1, four columns 2 and clamp device (consulting Fig. 5,6,7).Described five degree of freedom force application system F is made up of simulation vehicle body load pressure plate 5, simulation vehicle body load pressure post 4, analogsimulation vehicle body height of C.G. adjusting mechanism 3.The described wheel to the clamping and positioning function of locating clip clamping system B realization to bogie; Described hydraulic system E by six vertical effect oil cylinders 7, two vertically effect oil cylinder 6 and two laterally effect oil cylinders 10 form.Can load the bogie vertical direction by six vertical effect oil cylinders 7, realize simulation body quality.By the effect of two vertical oil cylinders 6, can realize simulation to longitudinal direction of car and twisting motion.By the effect of horizontal effect oil cylinder 10, can apply horizontal force and side force to bogie; Test macro mainly comprises three-dimensional force detection system G, bogie displacement detection system C.Described three-dimensional force detection system G comprises three-dimensional strength measurement sensor 13, interface disc 12, power transmission coupling seat 14 and sensor installing plate 15, and wherein interface disc 12 is used for the connection of three-dimensional force sensor 13 and bogie air spring.Described bogie displacement detection system C comprises grating displacement transducer 19, measures plate 16, magnetic force gauge stand 17 and erecting frame 18, and wherein grating displacement transducer 19 is fixed on the erecting frame 18; Control system is mainly consulted Figure 25, electric control system and computer system by hydraulic control system and is consulted Figure 26 and form.Described hydraulic control system adopts force servo control, is made up of control elements such as fixed displacement pump, servo-valve, servoamplifiers.Described electric control system and computer system are by power, displacement and Boolean value output sensor, and controller, transmitter, A/D, D/A capture card, I/O card, industrial control computer and analysis process system are formed.
Consult Fig. 4,5,6,7, described gantry system A is made up of crossbeam 1 and column 2.Column 2 among the said gantry system A adopts four, is fixed on the basis, and crossbeam 1 adopts 9, connect by clamp device and column 2, its arrangement form is a framed structure, and column 2 and crossbeam 1 adopt steel plate to be welded into the box-structure of sealing, and are welded with reinforcement.
Consult Fig. 8,9,10,11, described five degree of freedom force application system F is made up of simulation vehicle body load pressure plate 5, simulation vehicle body load pressure post 4, simulation vehicle body height of C.G. adjusting mechanism 3.Simulation vehicle body load pressure post 4 is fixed on the simulation vehicle body load lower platen 9 in shown in the said five degree of freedom force application system F, top board 8 is enclosed within on the simulation load pressure column 4 and by four vertical effect oil cylinders 7 and is suspended on the portal frame, when vertically acting on oil cylinder 7 synchronization telescopes for four, top board 8 drive lower platens 9 prolong vertical direction and move, and bogie is applied vertical load.Control bogie oil cylinder one end and top board 8 horizontal, lengthwise movement is hinged, and the other end is clamped on the portal frame crossbeam 1 by cylinder support (consulting Fig. 8).Four oil cylinders that control simulation vehicle body load pressure plate 5 moves up and down, an end and pressure plare 5 are hinged, and the other end is clamped on the portal frame by cylinder support (consulting Fig. 8), moves up and down the loading of realization to the vertical direction of bogie by pressure plare 5.Two vertical effect oil cylinders 7 that connect simulation vehicle body load pressure post 4 and pressure plare 5 are done the time spent, can realize the bogie vertical loading is simulated body quality.Two laterally act on oil cylinder 10, and one of them acts on the simulation vehicle body load pressure post 4, is used for simulating the suffered in motion side force of bogie, thereby realizes the test under the body roll state.Another and top board 8 connect, and when oil cylinder was flexible, top board 8 drive lower platens 9 prolonged horizontal direction and move, and bogie is applied transverse force.Two vertically effect oil cylinder 6 one ends and top board 8 are hinged, the other end is clamped on the portal frame crossbeam 1 by vertical oil cylinder support graph 8, when two vertically acted on oil cylinder 6 synchronization telescopes, top board 8 drive lower platens 9 prolonged longitudinal direction and move, and bogie is applied longitudinal force.When two vertical effect oil cylinders 6 were relatively oppositely flexible, top board 8 drove lower platens 9 and realizes swinging, and bogie is applied torsional moment, thereby realizes the test of vehicle body gyro rigidity.
Consult Figure 16,17,18,19,20,21, described three-dimensional force detection system G comprises three-dimensional strength measurement sensor 13, interface disc 12, power transmission coupling seat 14 and sensor installing plate 15.Sensor adopts resistance-strain type three-dimensional force sensor 13 among the three-dimensional force detection system G, and its elastomer portion adopts consults structure shown in Figure 16.On elastic body, post resistance strain gage, can detect power Fx, Fy, the Fz of X, Y, three directions of Z simultaneously.When the five degree of freedom force application system applies acting force to bogie, the elastic body of sensor produces distortion, the strainometer resistance that sticks on the elastic body changes thereupon, elastomer portion adopts special structural design, for example when bogie is applied the directions X acting force, main deformation takes place in the elastomer portion at foil gauge place, so the resistance strain gage resistance on the corresponding elastic body that prolongs the directions X extension changes; Same when bogie is applied Y, Z directive effect power, main deformation takes place in the elastomer portion at foil gauge place, and the resistance strain gage resistance of promptly prolonging on the elastic body of Y, the extension of Z direction changes.Convert the variation of strainometer resistance the voltage output of variation to by electric bridge, carry out signal condition by amplifying circuit, the machine interface circuit carries out the A/D conversion and delivers to computing machine as calculated.
Wherein three-dimensional force sensor 13 1 ends are fixed by bolts on the interface disc 12, the other end by sensor installing plate 15 link to each other with simulation vehicle body load lower platen 9 consult shown in Figure 10.Like this, when simulation vehicle body load lower platen 9 moved downward certain position, the air spring of bogie can link together by interface disc 12 and simulation vehicle body load lower platen 9 and consult shown in Figure 20,21.So the air spring of bogie can be realized in the plane vertically with lower platen 9, laterally, reverse and flip-flop movement the size of exerting oneself by three-dimensional force sensor 13 calibratings.
Consult Fig. 2,22,23, described bogie displacement detection system C comprises vehicle frame grating displacement transducer 19, measures plate 16, magnetic force gauge stand 17 and grating chi erecting frame 18.Wherein magnetic force gauge stand 17 is adsorbed on the bogie, plays the effect of measuring basis, and grating displacement transducer 19 is fixed on the grating chi erecting frame 18.Carry out bogie rigidity when detecting, can by this vehicle frame displacement detection system examine and determine out bogie vertically, laterally and the displacement on the vertical direction.Cooperate the three-dimensional force detection system just can detect the bogie spring rate, comprise that one is that spring, two is that spring is vertical, vertical, lateral stiffness, and the rigidity under revolution of bogie system and the rolling condition.
Consult Figure 24, the described wheel is made up of wheel rim clamping embedding mouth 20, oil cylinder 21 locating clip clamping system B.Wheel clamps embedding mouth 20 to wheel rim among the locating clip clamping system B and is hinged on the channel-section steel, and wherein an end and oil cylinder 21 are hinged, opens and clamping by oil cylinder 21 control embedding mouths 20, thereby realizes the location that wheel is right.
Described hydraulic system adopts the control of the electro-hydraulic servo application of force, and its system's hydraulic principle is consulted shown in Figure 25, and the oil sources of system is the motor combination pump, and its working pressure and off-load are set and control by electromagnetic relief valve, and pressure is shown by tensimeter.The actuator of system is a hydraulic cylinder, and by the control of electrohydraulic servo valve, the piston of hydraulic cylinder is direction motion and the motion of drive bogie on request, and applies the power that sets.Be provided with the fine filter that band pollutes indication before the servo-valve, system also is provided with liquid level gauge, temperature regulator, oil suction and auxiliary elements such as return filter, accumulator.This hydraulic system and Control System of Microcomputer are carried out close-loop feedback control to experiment table.
According to designing requirement, adopting the single pole hydraulic cylinder is that asymmetrical cylinder loads bogie, adopts three-dimensional force sensor 13 to detect feedback, thereby constitutes the closed loop electricity hydraulic control system of a servo-valve control hydraulic cylinder.Stress when bogie need come the analog orbit vehicle movement by the stressed spectrum of a definite form is to be provided by valve control hydraulic cylinder to the input that turns to booster.Therefore, being actually the stressed spectrum of exporting a definite form by valve control hydraulic cylinder comes bogie is loaded.The power command signal that computing machine sends is sent in the coil of servo-valve after amplifier amplifies, and servo-valve output and the proportional differential pressure action of electric signal form and the proportional acting force of electric signal on the piston of hydraulic cylinder.Force transducer detects actual force and converts electric signal and instruction signal after feedback amplifier amplifies to and compares, if actual force is less than set-point, two electric current differences are non-vanishing, then the pressure reduction of servo-valve output increases, the acting force of rising piston when actual force equals set-point till.
Consult Figure 25, described hydraulic control system adopts pressure servo control, and the oil sources of system is the motor combination pump, and its working pressure and off-load are set and control by electromagnetic relief valve, and pressure is shown by tensimeter.The actuator of system is a hydraulic cylinder, and by the control of electrohydraulic servo valve, the piston of hydraulic cylinder is direction motion and the motion of drive bogie on request, and applies the power that sets.Be provided with the fine filter that band pollutes indication before the servo-valve, system also is provided with liquid level gauge, temperature regulator, oil suction and auxiliary elements such as return filter, accumulator.This hydraulic system and Control System of Microcomputer are carried out close-loop feedback control to experiment table
Consult Figure 26, described electric control system and computer system are by power, displacement and Boolean value output sensor, and controller, transmitter, A/D, D/A capture card, I/0 card and industrial control computer and analysis process system are formed.Whole courses of work of railroad vehicle bogie rigidity test macro are controlled by the industrial control computer unified management.Comprise direction, speed control, automatic data collection and finish data processing automatically to cylinder action.
Main control computer in the electric control system is an industrial control computer, by data collecting card experimental system is carried out observing and controlling, the testing table action command is sent by microcomputer, enter the servo-valve amplifier by the D/A interface and carry out the signal amplification, output current signal, make hydraulic cylinder piston direction and the loading of moving of the power of setting on request, hydraulic cylinder drives the bogie motion simultaneously, and respectively by three-dimensional force sensor and grating displacement transducer ergometry and displacement, detected displacement signal, force signal enters respectively among the A/D of data collecting card by suitably conditioning; The bogie family curve that computing machine obtains requiring by data processing.Because system's employing force feedback control, so force signal is converted into the adjustment instruction and sends to servoamplifier by suitably handling.

Claims (9)

1. four-column type rail vehicle bogie rigidity detection system, it is characterized in that forming by mechanical system, hydraulic system, test macro, control system, mechanical system wherein comprises: be assembled into the gantry system (A) of framed structure by crossbeam (1) and column (2) by clamp device, by simulation vehicle body load pressure plate (5), simulation vehicle body load pressure post (4) and simulate five degree of freedom force application system (F) that vehicle body height of C.G. adjusting mechanism (3) forms and to the wheel of the clamping and positioning of bogie to locating clip clamping system (B); Hydraulic system (E) comprises bogie oil cylinder and Hydraulic Station vertical, vertical, laterally effect; Test macro comprises mainly the three-dimensional force detection system (G) be made up of three-dimensional strength measurement sensor (13) and the main bogie displacement detection system (C) to be made up of grating displacement transducer (19); Control system mainly is made up of hydraulic control system, electric control system and computer system.
2. four-column type rail vehicle bogie rigidity detection system according to claim 1, it is characterized in that the column (2) in the said gantry system (A) adopts four, be fixed on the basis, crossbeam (1) adopts 9, connect by clamp device and column (2), its arrangement form is a framed structure, and column (2) and crossbeam (1) adopt steel plate to be welded into the box-structure of sealing, and are welded with reinforcement.
3. four-column type rail vehicle bogie rigidity detection system according to claim 1, it is characterized in that the simulation vehicle body load pressure post (4) in the said five degree of freedom force application system (F) is fixed on the simulation vehicle body load lower platen (9), top board (8) is enclosed within simulation load pressure column (4) and goes up and be suspended on the portal frame by four vertical effect oil cylinders (7), also is provided with two vertical effect oil cylinders that are hinged on the top board (8) on the simulation vehicle body load pressure post (4).Be clamped on the portal frame crossbeam (1) two laterally effect oil cylinders (10,11) by oil cylinder crossbeam bearing, be connected with simulation vehicle body load pressure post (4) with top board (8) respectively, two vertically effect oil cylinder (6) one ends and top board (8) are hinged, the other end is clamped on the portal frame crossbeam (1) by oil cylinder crossbeam bearing, and simulation vehicle body height of C.G. adjusting mechanism (3) is housed on the simulation vehicle body load pressure post (4).
4. four-column type rail vehicle bogie rigidity detection system according to claim 1, it is characterized in that the three-dimensional force sensor (13) in the said three-dimensional force detection system (G) adopts resistance-strain type, post on its elastic body and can detect X simultaneously, Y, the power Fx of three directions of Z, Fy, the Fz resistance strain gage, three-dimensional force sensor (13) one ends are fixed on the interface disc (12), the other end links to each other with simulation vehicle body load lower platen (9) by sensor installing plate (15), simulation vehicle body load lower platen (9) is when moving downward certain position, and simulation vehicle body load lower platen (9) links together by the air spring of interface disc (12) with bogie.
5. four-column type rail vehicle bogie rigidity detection system according to claim 4, it is characterized in that the variation of the resistance strain gage resistance on the said elastic body converts the voltage output of variation to by electric bridge, carry out signal condition by amplifying circuit, the machine interface circuit carries out A/D conversion and delivers to computing machine as calculated.
6. four-column type rail vehicle bogie rigidity detection system according to claim 1, it is characterized in that said hydraulic control system comprises control elements such as fixed displacement pump, servo-valve, servoamplifier, adopt the control of the electro-hydraulic servo application of force, the oil sources of system is the motor combination pump, and its working pressure and off-load are set and control by electromagnetic relief valve; Pressure is shown that by tensimeter the actuator of system is a hydraulic cylinder, and by the control of electrohydraulic servo valve, the piston of hydraulic cylinder is direction motion and the motion of drive bogie on request, and applies the power that sets; Be provided with the fine filter that band pollutes indication before the servo-valve, system also is provided with the auxiliary element that comprises liquid level gauge, temperature regulator, oil suction and return filter, accumulator; This hydraulic system and Control System of Microcomputer are carried out close-loop feedback control to experiment table.
7. four-column type rail vehicle bogie rigidity detection system according to claim 1, it is characterized in that said bogie displacement detection system (C) comprises vehicle frame grating displacement transducer (19), measures plate (16), magnetic force gauge stand (17) and grating chi erecting frame (18), wherein magnetic force gauge stand (17) is adsorbed on the bogie, and grating displacement transducer (19) is fixed on the grating chi erecting frame (18).
8. four-column type rail vehicle bogie rigidity detection system according to claim 1, it is characterized in that said the wheel is hinged on the channel-section steel wheel rim clamping embedding mouth (20) in the locating clip clamping system (B), wherein an end and oil cylinder (21) are hinged, and wheel rim clamps embedding mouth (20) wheel is controlled by oil cylinder implementing to open with clamping.
9. four-column type rail vehicle bogie rigidity detection system according to claim 1, it is characterized in that said electric control system and computer system comprise power, displacement and Boolean value output sensor, controller, transmitter, A/D, the D/A capture card, the I/O card, industrial control computer and analysis process system, main control computer is an industrial control computer, by data collecting card experimental system is carried out observing and controlling, the testing table action command is sent by microcomputer, enter the servo-valve amplifier by the D/A interface and carry out the signal amplification, output current signal, make hydraulic cylinder piston direction and the loading of moving of the power of setting on request, hydraulic cylinder drives the bogie motion simultaneously, and respectively by three-dimensional force sensor and grating displacement transducer ergometry and displacement, detected displacement signal, force signal enters respectively among the A/D of data collecting card by conditioning; The bogie family curve that computing machine obtains requiring by data processing; System adopts force feedback to control, and force signal is handled by suitable, is converted into to adjust to instruct to send to servoamplifier.
CN2008100502619A 2008-01-16 2008-01-16 Four-column type rail vehicle bogie rigidity detection system CN101216376B (en)

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