CN103792098A - Comprehensive performance test rig of vehicle electric power steering system - Google Patents
Comprehensive performance test rig of vehicle electric power steering system Download PDFInfo
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- CN103792098A CN103792098A CN201310684948.9A CN201310684948A CN103792098A CN 103792098 A CN103792098 A CN 103792098A CN 201310684948 A CN201310684948 A CN 201310684948A CN 103792098 A CN103792098 A CN 103792098A
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Abstract
The invention provides a comprehensive performance test rig of a vehicle electric power steering system. The comprehensive performance test rig includes a rack part, an electric control part and a computer control system; and the rack part comprises a base, a rotary table, a fixture clamp plate, a C-EPS fixture clamp, an input terminal driver, a C-EPS output terminal loading device, a P / R-EPS output terminal loading device, a fixture clamp bench, and an adverse impact part. The comprehensive performance test rig of the invention can comprehensively test three types of electric power steering systems, wherein the three types include a C-EPS, a P-EPS and an R-EPS. Compared with a conventional electric power steering test rig, the control system has good real-time performance, can provide the real-time vehicle dynamics simulation environment, and can provide the comprehensive high-precision multiple performance tests of three types of the EPS.
Description
Technical field
The invention belongs to automobile chassis performance test apparatus technical field, be specifically related to a kind of automobile electric power-assisted steering testing table.
Background technology
Electric power steering (Electric Power Steering, be called for short EPS) technology is the new technology in motor turning field nearly ten years, has obtained abroad significant progress, and EPS is also the domestic study hotspot that turns to industry at present.EPS is as the safety member of automobile, and its performance direct relation the safe reliability of running car, manipulation portability and the sensitivity of human pilot.It is automobile electric booster steering system assembling, factory inspection and the important step of overhauling that the performance of the each parts to this system is carried out full test.How under the environment in laboratory, carrying out the test of EPS system performance and the evaluation of EPS control strategy, is the problem that researcher need to consider emphatically.Reasonably load mode, simulated environment and real-time controlling of sampling true to nature are the key issues that EPS system performance testing device need to solve.
At present, domestic existing enterprise, institution of higher learning have developed EPS performance testing device, Granted publication number is the utility model patent of CN201594043U, " performance testing platform of electric power steering system " providing, knuckle section comprises firm banking, on firm banking, be provided with the steering gear fixing by steering rack, the two ends of steering rack are connected with spring-damper, one end of steering gear and steering axle is connected, the other end of steering axle is connected with steering wheel, the middle part of steering axle is fixed on the two ends of firm banking by fixed support, between steering wheel and steering gear, be disposed with rotary angle transmitter, reducing gear, torque sensor and universal joint, control section comprises electronic control unit, the input end of electronic control unit respectively and accumulator, torque sensor, rotary angle transmitter and analog signal generator are connected, the output terminal of electronic control unit respectively and reducing gear, oscillograph is connected, analog signal generator is also connected with oscillograph.But domestic EPS system performance testing device can only be tested for the EPS system of single type, be mostly pipe column type electric servo steering system (being called for short C-EPS), along with electric power steering develops rapidly, pinion type electric boosting steering system (being called for short P-EPS) and rack-and-pinion electric boosting steering system (being called for short R-EPS) also need to carry out a large amount of performance tests.
Summary of the invention
The object of this invention is to provide that a kind of to carry out the automobile electric booster steering system of full test to the performance of the electric power-assisted steering apparatus of C-EPS, P-EPS, R-EPS three types comprehensive performance test bed.
Technical scheme of the present invention is:
Automobile electric booster steering system is comprehensive performance test bed, comprise stand part, electric control system and computer control system part, it is characterized in that, stand part comprises base, panoramic table, described panoramic table can move, revolvable being assemblied on base, luffing angle, highly equal adjustable frock clamp plates are housed on panoramic table, described frock clamp plate is provided with the C-EPS frock clamp that length can be flexible, and described C-EPS frock clamp is moving up and down to be assemblied on frock clamp plate; On frock clamp plate, be fixed with input end driver, described input end driver comprises successively the driving servomotor, the first planet-gear speed reducer, the first torque-corner sensor and the bellows coupling that connect, with the connecting pipe of universal joint, described connecting pipe can be connected with the tested model machine of C-EPS, the tested model machine of P-EPS, the tested model machine of R-EPS; C-EPS output terminal charger, P/R-EPS output terminal charger are distributed in the both sides of panoramic table and are fixed on base; C-EPS output terminal charger is rotation loader, comprise the second loading servomotor, the second planet-gear speed reducer, the second torque-corner sensor and the first spring coupling, the second spring coupling that connect successively, described C-EPS output terminal charger angle is assemblied on base adjustablely; P/R-EPS output terminal charger is linear loader, comprises the first loading servomotor, electric servo cylinder and the pull pressure sensor, the drag link that connect successively, and described drag link can be connected with the tested model machine of P-EPS, the tested model machine of R-EPS; On base, P/R-EPS output terminal charger one side is provided with frock clamp platform; Reverse impact part comprises asynchronous machine, pendulum, impact block, C-EPS stationary installation and P/R-EPS stationary installation, asynchronous machine is fixed on base by support, pendulum is connected with the rotating shaft of asynchronous machine by plumbing arm, impact block is enclosed within on the input shaft of C-EPS test prototype, and C-EPS stationary installation and P/R-EPS stationary installation are separately fixed on base; Computer control system part comprises industrial computer, multiple analog input card and two displays that are connected with industrial computer, analog input card and motion control card insert in the PCI slot of industrial computer, analog input card is used for gathering the digital signal through signal regulating panel output, and motion control card is used for exporting the control signal of servo-driver and the speed of a motor vehicle of simulation and engine speed; Electric control system is included as described testing table provides the power supply of electric energy, signal regulating panel, servo-driver, current sensor; Described current sensor is used for measuring total Absorption Current and the current of electric of C-EPS, P-EPS or the tested model machine ECU of R-EPS; Described signal regulating panel is connected with the first torque-corner sensor, the second torque-corner sensor, pull pressure sensor, current sensor, analog input card, motion control card respectively, for the speed of a motor vehicle and the engine speed digital signal converting analogue signals that torque/corner, pressure and current signal are carried out deliver to analog input card and motion control card is exported after signal condition and mould/number conversion; Described second loads servomotor, first loads servomotor and is connected with motion control card, and being used for the control signal exported according to motion control card provides loaded load for C-EPS, P-EPS or the tested model machine of R-EPS.
Preferably, the comprehensive performance test bed manual input device that also comprises of described automobile electric booster steering system, manual input device comprises bearing, car steering tube column, steering wheel, bearing is put in ground, car steering tube column is fixed on bearing, steering wheel is connected with the input end of steering column, and the output terminal of described steering column passes through to be connected with the first spring coupling of C-EPS output terminal charger with the connecting pipe of universal joint, or is connected with the input shaft of the tested model machine of P/R-EPS.
Preferably, described panoramic table comprises supporting plate, the first universal stage, column, described the first universal stage comprises base plate, flap, the first turbine and worm mechanism and the 5th handwheel that can regulate panoramic table to rotate around vertical pivot, described base plate is connected by the first slide rail of horizontally set with supporting plate, supporting plate is connected by the second slide rail longitudinally arranging with base, column is fixed on flap, on the base plate of universal stage, be provided with horizontal nut, be fixed on supporting plate by bearing with the transverse screw of horizontal nut assembling, and be connected with the 6th handwheel, on the supporting plate of universal stage, be provided with longitudinal nut, be fixed on base by bearing with the longitudinal screw of longitudinal nut assembling, and be connected with the 7th handwheel.
Preferably, described frock clamp plate is connected with column by the second universal stage, frock clamp plate is fixed on the flap of the second universal stage, the base plate of the second universal stage is connected with column by the 3rd slide rail, universal stage is provided with the second turbine and worm mechanism and the 4th handwheel of the luffing angle of adjusting tool jig plate, on frock clamp plate, be fixed with vertical nut, on vertical nut, be equipped with vertical screw rod, vertical screw rod is connected with the output shaft of the lifting motor at panoramic table top and fixes by bearing and column.
Preferably, described C-EPS frock clamp comprises orbit of guide rail, is assemblied in the fixed block on orbit of guide rail, and described fixed block is connected with the tested model machine of C-EPS by bolt.
Preferably, on described frock clamp plate, be provided with the 4th slide rail, C-EPS frock clamp is connected with frock clamp plate by the 4th slide rail, is fixed with nut on frock clamp, on nut, be equipped with screw rod, described screw rod is fixed on frock clamp plate by bearing and is connected with the second handwheel.
Preferably, the tested model machine of described connecting pipe and C-EPS, the tested model machine of P-EPS, the tested model machine of R-EPS and manual input device all pass through spline joint.
Preferably, C-EPS output terminal charger loads assembly adjusting mechanism by C-EPS and is fixed on base, described C-EPS loads assembly adjusting mechanism and comprises support, be located at the 3rd universal stage on support, regulate the 3rd turbine and worm mechanism and first handwheel of the 3rd universal stage luffing angle, can regulate the 4th turbine and worm mechanism and the 3rd handwheel that in the 3rd universal stage surface level, in 360 °, rotate.
Preferably, being connected of the tooth bar of described drag link and the tested model machine of P-EPS or the tested model machine of R-EPS.
Of the present invention comprehensive performance test bed, can carry out full test to the performance of the electric power-assisted steering apparatus of C-EPS, P-EPS, R-EPS three types.C-EPS, P-EPS, R-EPS shared input driver.Panoramic table is positioned at base center, input end driver is fixed on frock clamp plate, C-EPS output terminal charger, P/R-EPS output terminal charger are distributed in the both sides of panoramic table, the tested model machine of C-EPS is fixed on C-EPS frock clamp, and the tested model machine of P-EPS or the tested model machine of R-EPS are positioned on frock clamp platform.Can make a service test to the tested model machine of C-EPS, the tested model machine of P-EPS, the tested model machine of R-EPS respectively by the position that rotates back to turntable, adjustment panoramic table.
Comprehensive performance test bed pilot project of the present invention comprises: quiescent current, forward rotation moment, backwards rotation moment, function test, Absorption Current, current of electric, torque sensor characteristic, input and output force characteristic, maximum efficiency, the speed of a motor vehicle and current characteristics, hand test etc.
Compared with existing electric power-assisted steering test stand, control system real-time is good, and real-time vehicle dynamics simulation environment can be provided, and the comprehensive high-precision multinomial performance test of three class form EPS can be provided.
Accompanying drawing explanation
Fig. 1 is comprehensive performance test bed structure composition schematic diagram of the present invention.
Fig. 2 is panoramic table front view of the present invention.
Fig. 3 is panoramic table vertical view of the present invention.
Fig. 4 is C-EPS output terminal charger front view of the present invention.
Fig. 5 is reverse impact device front view of the present invention.
Fig. 6 is P/R-EPS output terminal charger of the present invention and detected sample owner view.
Fig. 7 is manual input device connection diagram of the present invention.
Fig. 8 is the structured flowchart of described computer control system part.
In figure:
1-lifting motor, 2-panoramic table, 3-bellows coupling, 4-the first torque-corner sensor, 5-the first planet-gear speed reducer, 6-drives servomotor, 7-frock clamp platform, 8-the 7th handwheel, 9-the first handwheel, 10-the 4th handwheel, 11-electric servo cylinder, 12-P/R-EPS charger fixed station, 13-pendulum, 14-asynchronous machine, 15-first loads servomotor, 16-C-EPS frock clamp, 17-the second handwheel, 18-frock clamp plate, 19-C-EPS impulse test stationary installation, 20-P/R-EPS impulse test stationary installation, 21-the 5th handwheel, 22-the 6th handwheel, 23-the 3rd handwheel, 24-C-EPS loads assembly adjusting mechanism, 25-the second planet-gear speed reducer, 26-second loads servomotor, 27-the second torque-corner sensor, 28-the first spring coupling, 29-the second spring coupling, 30-pull pressure sensor, the tested model machine of 32-P-EPS or R-EPS, 33-drag link, 34-manual input device.
Embodiment
For clearer explanation technical scheme of the present invention, below in conjunction with accompanying drawing, specific embodiments of the invention are further described, but the present invention is not limited to these embodiment.
Automobile electric booster steering system of the present invention is comprehensive performance test bed, comprises stand part, electric control system and computer control system part.
Stand part comprises base, panoramic table, frock clamp plate 18, C-EPS frock clamp 16, input end driver, C-EPS output terminal charger, P/R-EPS output terminal charger, frock clamp platform 7, reverse impact part.
As shown in Figure 1, Figure 2, Figure 3 shows, described panoramic table is positioned at base center, can move, revolvable being assemblied on base frock clamp plate 18 luffing angles, highly equal adjustable being contained on panoramic table 2.Described frock clamp plate 18 is provided with the C-EPS frock clamp 16 that length can be flexible, and described C-EPS frock clamp 16 is moving up and down to be assemblied on frock clamp plate 18.
Particularly, described panoramic table comprises supporting plate, the first universal stage, column.The first turbine and worm mechanism and the 5th handwheel 21 that described the first universal stage comprises base plate, flap, can regulate panoramic table to rotate around vertical pivot, regulate the 5th handwheel 21 can make panoramic table 2 rotate around vertical pivot.Described base plate is connected by the first slide rail of horizontally set with supporting plate, supporting plate is connected by the second slide rail longitudinally arranging with base, column is fixed on flap, on the base plate of universal stage, be provided with horizontal nut, be fixed on supporting plate and with the 6th handwheel 22 and be connected by bearing with the transverse screw of horizontal nut assembling, on the supporting plate of universal stage, be provided with longitudinal nut, be fixed on base and with the 7th handwheel 8 and be connected by bearing with the longitudinal screw of longitudinal nut assembling; Regulate the 6th handwheel 22 can make panoramic table laterally move linearly, regulate the 7th handwheel 8 can make panoramic table longitudinally move linearly; Be panoramic table laterally, vertically move by bolt and nut mechanism and regulate and realize.
Described frock clamp plate 18 is connected with column by the second universal stage, frock clamp plate 18 is fixed on the flap of the second universal stage, the base plate of the second universal stage is connected with column by the 3rd slide rail, universal stage is provided with the second turbine and worm mechanism and the 4th handwheel 10 of the luffing angle of adjusting tool jig plate 18, on frock clamp plate 18, be fixed with vertical nut, on vertical nut, be equipped with vertical screw rod, vertical screw rod is connected with the output shaft of the lifting motor at panoramic table top and fixes by bearing and column.By regulating the 4th handwheel 10, the second turbine and worm mechanism to adjust the luffing angle of frock clamp plate 18 on the second universal stage, the height of the bolt and nut mechanism adjusting tool jig plate 18 forming by lifting motor 1, by vertical nut, vertical screw rod.
Described C-EPS frock clamp 16 is used for fixing tested model machine, comprises orbit of guide rail, is assemblied in the fixed block on orbit of guide rail, and the tested model machine of C-EPS and described fixed block are bolted.On described frock clamp plate 18, be provided with the 4th slide rail, C-EPS frock clamp 16 is connected with frock clamp plate 18 by the 4th slide rail, and C-EPS frock clamp 16 can be slided in the first slide rail; On frock clamp 16, be fixed with nut, be equipped with screw rod on nut, described screw rod is fixed on frock clamp plate by bearing and is connected with the second handwheel 17.Fixed block can slide in orbit of guide rail, moves in orbit of guide rail by adjusting fixed block, realizes the adjustment of C-EPS frock clamp 16 length, regulates the position of the tested model machine of C-EPS; Regulate the second handwheel 17, the bolt and nut mechanism, the 4th slide rail that consist of nut and screw rod are realized the adjustment of the vertical position of C-EPS frock clamp 16, thereby conveniently make the tested model machine of C-EPS be connected with rotation loader, the input end driver of output terminal.
The tested model machine of C-EPS, the tested model machine of P-EPS, three kinds of tested model machines of the tested model machine of R-EPS share a set of input end driver.Described input end driver is fixed on frock clamp plate 18, described input end driver comprises successively the driving servomotor 6, the first planet-gear speed reducer 5, the first torque-corner sensor 4 and the bellows coupling 3 that connect, connecting pipe with universal joint, described connecting pipe can be connected with the tested model machine of C-EPS, the tested model machine of P-EPS, the tested model machine of R-EPS, and for example the tested model machine of described connecting pipe and C-EPS, the tested model machine of P-EPS, the tested model machine of R-EPS and manual input device all pass through spline joint.C-EPS output terminal charger, P/R-EPS output terminal charger are distributed in the both sides of panoramic table and are fixed on base.
As shown in Figure 4, C-EPS output terminal charger is rotation loader, comprise the second loading servomotor 26, the second planet-gear speed reducer 25, the second torque-corner sensor 27 and the first spring coupling 28, the second spring coupling 29 that connect successively, described C-EPS output terminal charger angle is assemblied on base adjustablely.Concrete, C-EPS output terminal charger loads assembly adjusting mechanism 24 by C-EPS and is fixed on base, and the angle that described C-EPS loading assembly adjusting mechanism 24 is realized C-EPS output terminal charger is adjustable.Described C-EPS loads assembly adjusting mechanism 24 and comprises support, be located at the 3rd universal stage on support, regulate the 3rd turbine and worm mechanism and first handwheel 9 of the 3rd universal stage luffing angle, can regulate the 4th turbine and worm mechanism and the 3rd handwheel 23 that in the 3rd universal stage surface level, in 360 °, rotate.Regulate the 3rd handwheel 23 can make C-EPS load assembly adjusting mechanism 24 and realize 360 ° of rotations around vertical, regulate the first handwheel 9 can change C-EPS to load the luffing angle of assembly adjusting mechanism 24.
As shown in Figure 6, P/R-EPS output terminal charger is linear loader, be fixed on P/R-EPS charger fixed station 12, comprise the first loading servomotor 15, electric servo cylinder 11 and the pull pressure sensor 30, the drag link 33 that connect successively, described drag link 33 can be connected with the tested model machine of P-EPS, the tested model machine of R-EPS, and drag link 33 is connected with the tooth bar of the tested model machine of P-EPS or the tested model machine of R-EPS.On base, P/R-EPS output terminal charger one side is provided with frock clamp platform 7, for placing the tested model machine of P-EPS or the tested model machine of R-EPS.
As shown in Figure 5, reverse impact part comprises asynchronous machine 14, pendulum 13, impact block, C-EPS stationary installation 19 and P/R-EPS stationary installation 20, asynchronous machine 14 is fixed on base by support, pendulum is connected with the rotating shaft of asynchronous machine 14 by plumbing arm, impact block is enclosed within on the input shaft of C-EPS test prototype, and C-EPS stationary installation 19 and P/R-EPS stationary installation 20 are separately fixed on base.
As shown in Figure 7, the comprehensive performance test bed manual input device 34 that also comprises of described automobile electric booster steering system, manual input device comprises bearing, car steering tube column, steering wheel, bearing is put in ground, car steering tube column is fixed on bearing, steering wheel is connected with the input end of steering column, the output terminal of described steering column passes through to be connected with the connecting pipe of universal joint and the first spring coupling 28 of C-EPS output terminal charger, or is connected with the input shaft of the tested model machine of P/R-EPS.
As shown in Figure 8, described computer control system part comprises industrial computer, multiple analog input card and two displays that are connected with industrial computer, analog input card and motion control card insert in the PCI slot of industrial computer, analog input card is used for gathering the digital signal through signal regulating panel output, and motion control card is used for exporting the control signal of servo-driver and the speed of a motor vehicle of simulation and engine speed.Electric control system is included as described testing table provides the power supply of electric energy, signal regulating panel, servo-driver, current sensor; Described current sensor is used for measuring total Absorption Current and the current of electric of C-EPS, P-EPS or the tested model machine ECU of R-EPS; Described signal regulating panel is connected with the first torque-corner sensor 4, the second torque-corner sensor 27, pull pressure sensor (30), current sensor, analog input card, motion control card respectively, for the speed of a motor vehicle and the engine speed digital signal converting analogue signals that torque/corner, pressure and current signal are carried out deliver to analog input card and motion control card is exported after signal condition and mould/number conversion; Described the second loading servomotor 26, the first loading servomotor 15 are connected with motion control card, are used for driving second to load servomotor 26 or the first loading servomotor 15 according to the control signal of motion control card output.Particularly, power supply comprises 24V Switching Power Supply, 12V Switching Power Supply, 12V linear power supply, 5V Switching Power Supply, 24V Switching Power Supply is powered to servo-driver, 12V Switching Power Supply is given the ECU power supply of tested model machine, 12V linear power supply is powered to current sensor, and 5V switch sensor powers to the first torque-corner sensor 4, the second torque-corner sensor 27, pull pressure sensor 30.In process of the test, projects curve and real time data show respectively on two displays, and can evaluate and automatically work out test report according to given index.
The pilot project of testing table comprises: quiescent current, forward rotation moment, backwards rotation moment, function test, Absorption Current, current of electric, torque sensor characteristic, input and output force characteristic, maximum efficiency, the speed of a motor vehicle and current characteristics, hand test etc.
Further illustrate described testing table below by three test implementation examples.
The functional test of embodiment 1:C-EPS
First adjusting respectively the 7th handwheel 8, the 5th handwheel 21, the 6th handwheel 22 makes panoramic table 2 be placed in testing position, then tested C-EPS model machine is fixed on C-EPS frock clamp 16, input end driver adopts free-sliding spline to be connected with the tested model machine of C-EPS, and the tested model machine of C-EPS output terminal charger and C-EPS adopts double Hooke's joint to be slidably connected.Regulate the 3rd handwheel 23 to make C-EPS load assembly adjusting mechanism 24 around vertical rotation, regulate the first handwheel 9 to change the luffing angle of adjusting mechanism, control hand wheel 10 changes the luffing angle of frock clamp plate 18, regulate the second handwheel 17 to change the vertical height of C-EPS frock clamp 16, to guarantee that the tested model machine of C-EPS, input end driver, output terminal rotation loader are in straight line.
After installing, operation industrial computer, open C-EPS performance test software, selection function test, the load signal changing with the speed of a motor vehicle that now second of C-EPS output terminal charger the loading servomotor 26 can provide according to motion control card loads, the driving servomotor 6 of input end driver provides drive simulating person's bearing circle input torque, carry out respectively the test of 360 ° of steering wheel forwards and 360 ° of negative senses, on the first display, can automatically record the graph of relation between power torque and steering wheel angle simultaneously, second display shows the first torque-corner sensor 4 in real time, the voltage of the second torque-corner sensor 27, the EPS electric current of the tested model machine of C-EPS, the data such as drive motor electric current.
The functional test of embodiment 2:P-EPS
P/R-EPS output terminal charger is used in the functional test of P-EPS or R-EPS, is linear loader.First P-EPS or the tested model machine 32 of R-EPS are installed on frock clamp platform 7, regulate the 5th handwheel 21 panoramic table 2 to be placed in to the direction of frock clamp platform 7.Input end driver adopts free-sliding spline to be connected with P-EPS or the tested model machine 32 of R-EPS.P/R-EPS output terminal charger loads P-EPS or the tested model machine 32 of R-EPS by drag link 33.
After installing, operation industrial computer, open P/R-EPS performance test software, selection function test, the load signal changing with the speed of a motor vehicle that now first of P/R-EPS output terminal charger the loading servomotor 15 can provide according to motion control card loads, the driving servomotor 6 of input end driver provides drive simulating person's bearing circle input torque, carry out respectively the test of 360 ° of steering wheel forwards and 360 ° of negative senses, on the first display, can automatically record the graph of relation between power torque and steering wheel angle simultaneously, second display shows the first torque-corner sensor 4 in real time, the voltage of the second torque-corner sensor 27, the EPS electric current of the tested model machine 32 of P-EPS or R-EPS, the data such as drive motor electric current.
Embodiment 3: driver's power steering feel test
Adjust the 3rd handwheel 23 and make C-EPS load assembly adjusting mechanism 24 to rotate, so that C-EPS output terminal charger is towards manual input device 34, and manual input device 34 is connected with C-EPS output terminal charger by free-sliding spline.
After installing, operation industrial computer, opens C-EPS performance test software, selects the test of driver's power steering feel, and now pilot control steering wheel can be experienced the power-assisted feel of steering gear to be measured.The first display shows torque sensor voltage, the time dependent curve of drive motor electric current simultaneously.
Described embodiment is preferred embodiment of the present invention; but invention is not limited to above-mentioned embodiment; in the situation that not deviating from flesh and blood of the present invention, any apparent improvement, replacement or modification that those skilled in the art can make all belong to protection scope of the present invention.
Claims (9)
1. automobile electric booster steering system is comprehensive performance test bed, comprise stand part, electric control system and computer control system part, it is characterized in that, stand part comprises base, panoramic table, described panoramic table can move, revolvable being assemblied on base, luffing angle, highly equal adjustable frock clamp plates (18) are housed on panoramic table (2), described frock clamp plate (18) is provided with the C-EPS frock clamp (16) that length can be flexible, and described C-EPS frock clamp (16) is moving up and down to be assemblied on frock clamp plate (18); Frock clamp plate is fixed with input end driver on (18), described input end driver comprises successively the driving servomotor (6), the first planet-gear speed reducer (5), the first torque-corner sensor (4) and the bellows coupling (3) that connect, with the connecting pipe of universal joint, described connecting pipe can be connected with the tested model machine of C-EPS, the tested model machine of P-EPS, the tested model machine of R-EPS; C-EPS output terminal charger, P/R-EPS output terminal charger are distributed in the both sides of panoramic table and are fixed on base; C-EPS output terminal charger is rotation loader, comprise the second loading servomotor (26), the second planet-gear speed reducer (25), the second torque-corner sensor (27) and the first spring coupling (28), the second spring coupling (29) that connect successively, described C-EPS output terminal charger angle is assemblied on base adjustablely; P/R-EPS output terminal charger is linear loader, comprise the first loading servomotor (15), electric servo cylinder (11) and the pull pressure sensor (30), the drag link (33) that connect successively, described drag link (33) can be connected with the tested model machine of P-EPS, the tested model machine of R-EPS; On base, P/R-EPS output terminal charger one side is provided with frock clamp platform (7); Reverse impact part comprises asynchronous machine (14), pendulum, impact block, C-EPS stationary installation (19) and P/R-EPS stationary installation (20), asynchronous machine (14) is fixed on base by support, pendulum is connected with the rotating shaft of asynchronous machine (14) by plumbing arm, impact block is enclosed within on the input shaft of C-EPS test prototype, and C-EPS stationary installation (19) and P/R-EPS stationary installation (20) are separately fixed on base; Computer control system part comprises industrial computer, multiple analog input card and two displays that are connected with industrial computer, analog input card and motion control card insert in the PCI slot of industrial computer, analog input card is used for gathering the digital signal through signal regulating panel output, and motion control card is used for exporting the control signal of servo-driver and the speed of a motor vehicle of simulation and engine speed; Electric control system is included as described testing table provides the power supply of electric energy, signal regulating panel, servo-driver, current sensor; Described current sensor is used for measuring total Absorption Current and the current of electric of C-EPS, P-EPS or the tested model machine ECU of R-EPS; Described signal regulating panel is connected with the first torque-corner sensor (4), the second torque-corner sensor (27), pull pressure sensor (30), current sensor, analog input card, motion control card respectively, for the speed of a motor vehicle and the engine speed digital signal converting analogue signals that torque/corner, pressure and current signal are carried out deliver to analog input card and motion control card is exported after signal condition and mould/number conversion; Described second loads servomotor (26), first loads servomotor (15) and is connected with motion control card, and being used for the control signal exported according to motion control card provides loaded load for C-EPS, P-EPS or the tested model machine of R-EPS.
2. according to claim 1 comprehensive performance test bed, it is characterized in that, the comprehensive performance test bed manual input device (34) that also comprises of described automobile electric booster steering system, manual input device comprises bearing, car steering tube column, steering wheel, bearing is put in ground, car steering tube column is fixed on bearing, steering wheel is connected with the input end of steering column, the output terminal of described steering column is by being connected with the connecting pipe of universal joint and first spring coupling (28) of C-EPS output terminal charger, or be connected with the input shaft of the tested model machine of P/R-EPS.
3. according to claim 1 comprehensive performance test bed, it is characterized in that, described panoramic table comprises supporting plate, the first universal stage, column, described the first universal stage comprises base plate, flap, the first turbine and worm mechanism and the 5th handwheel (21) that can regulate panoramic table to rotate around vertical pivot, described base plate is connected by the first slide rail of horizontally set with supporting plate, supporting plate is connected by the second slide rail longitudinally arranging with base, column is fixed on flap, on the base plate of universal stage, be provided with horizontal nut, be fixed on supporting plate by bearing with the transverse screw of horizontal nut assembling, and be connected with the 6th handwheel (22), on the supporting plate of universal stage, be provided with longitudinal nut, be fixed on base by bearing with the longitudinal screw of longitudinal nut assembling, and be connected with the 7th handwheel (8).
4. according to claim 1 comprehensive performance test bed, it is characterized in that, described frock clamp plate (18) is connected with column by the second universal stage, frock clamp plate (18) is fixed on the flap of the second universal stage, the base plate of the second universal stage is connected with column by the 3rd slide rail, universal stage is provided with the second turbine and worm mechanism and the 4th handwheel (10) of the luffing angle of adjusting tool jig plate (18), frock clamp plate is fixed with vertical nut on (18), on vertical nut, be equipped with vertical screw rod, vertical screw rod is connected with the output shaft of the lifting motor at panoramic table top, and fix by bearing and column.
5. according to claim 1 comprehensive performance test bed, it is characterized in that, described C-EPS frock clamp (16) comprises orbit of guide rail, is assemblied in the fixed block on orbit of guide rail, and described fixed block is connected with the tested model machine of C-EPS by bolt.
6. according to claim 1 comprehensive performance test bed, it is characterized in that, on described frock clamp plate (18), be provided with the 4th slide rail, C-EPS frock clamp (16) is connected with frock clamp plate (18) by the 4th slide rail, frock clamp is fixed with nut on (16), on nut, be equipped with screw rod, described screw rod is fixed on frock clamp plate by bearing and is connected with the second handwheel (17).
7. according to claim 1 comprehensive performance test bed, it is characterized in that, the tested model machine of described connecting pipe and C-EPS, the tested model machine of P-EPS, the tested model machine of R-EPS and manual input device all pass through spline joint.
8. according to claim 1 comprehensive performance test bed, it is characterized in that, C-EPS output terminal charger loads assembly adjusting mechanism (24) by C-EPS and is fixed on base, described C-EPS loads assembly adjusting mechanism (24) and comprises support, be located at the 3rd universal stage on support, regulate the 3rd turbine and worm mechanism and first handwheel (9) of the 3rd universal stage luffing angle, can regulate the 4th turbine and worm mechanism and the 3rd handwheel (23) that in the 3rd universal stage surface level, in 360 °, rotate.
9. according to claim 1 comprehensive performance test bed, it is characterized in that being connected of the tooth bar of described drag link (33) and the tested model machine of P-EPS or the tested model machine of R-EPS.
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Effective date of registration: 20160825 Address after: 201814, No. 289, 100 Road, Anting Town, Shanghai, Jiading District Patentee after: Tianhe Automotive Technology (Shanghai) Co., Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: Jiangsu University |
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Address after: 201814, No. 289, 100 Road, Anting Town, Shanghai, Jiading District Patentee after: Zeifu Automotive Technology (Shanghai) Co., Ltd. Address before: 201814, No. 289, 100 Road, Anting Town, Shanghai, Jiading District Patentee before: Tianhe Automotive Technology (Shanghai) Co., Ltd. |