CN203629856U - Steering system simulation system with electric steering wheel assembly - Google Patents

Steering system simulation system with electric steering wheel assembly Download PDF

Info

Publication number
CN203629856U
CN203629856U CN201320703417.5U CN201320703417U CN203629856U CN 203629856 U CN203629856 U CN 203629856U CN 201320703417 U CN201320703417 U CN 201320703417U CN 203629856 U CN203629856 U CN 203629856U
Authority
CN
China
Prior art keywords
cylinder barrel
oil
steering
hydraulic jack
communicated
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
Application number
CN201320703417.5U
Other languages
Chinese (zh)
Inventor
纪业
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING JIGONG AUTOMOBILE POWER STEERING Co Ltd
Original Assignee
CHONGQING JIGONG AUTOMOBILE POWER STEERING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHONGQING JIGONG AUTOMOBILE POWER STEERING Co Ltd filed Critical CHONGQING JIGONG AUTOMOBILE POWER STEERING Co Ltd
Priority to CN201320703417.5U priority Critical patent/CN203629856U/en
Application granted granted Critical
Publication of CN203629856U publication Critical patent/CN203629856U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Actuator (AREA)

Abstract

The utility model provides a steering system simulation system with an electric steering wheel assembly. The system comprises a rocker arm assembly, a load assembly, an electric steering wheel assembly, a left vehicle wheel simulation steel plate and a right vehicle wheel simulation steel plate. The rocker arm assembly includes a rocker arm, a ball pin, and a steering oil cylinder with two piston rods, wherein one end of the rocker arm is connected with a steering gear through a spline, the other end of the rocker arm is connected with either piston rod of the steering oil cylinder through the ball pin, and the two piston rods of the steering oil cylinder are respectively connected with the left and right vehicle wheel simulation steel plates. The load assembly includes left and right hydraulic oil cylinders and an oil pump. Pistons of the left and right hydraulic oil cylinders are respectively and rotatably connected with the left and right vehicle wheel simulation steel plates. The oil pump has an oil pump oil inlet which is communicated with oil outlets of the left and right hydraulic oil cylinders through a first oil pipe, and the oil pump further has an oil pump oil outlet which is communicated with oil inlets of the left and right hydraulic oil cylinders through a second oil pipe. The system of the utility model is simple in structure, easy in operation, low in test cost, short in test period, high in repeatability, and safe and reliable.

Description

There is the steering system simulation system of electric steering wheel assembly
Technical field
The utility model relates to auto parts and components proving installation, specifically refers to have the steering system simulation system of electric steering wheel assembly.
Background technology
Steering system is the critical component of vehicle, in steering system, steering assembly is very important parts, it is one of the most basic performance of steering assembly that steering assembly returns positive ability, and steering system returns positive ability test and mainly adopts actual road test, proving ground test and shop experiment.The wherein required cycle length of actual road test and proving ground test, poor repeatability, dangerous high, and shop experiment is because having the advantages such as the cycle is short, reproducible, safe and reliable, returns and in positive aptitude tests, has strong demand and broad prospect of application at steering system.In order to return positive aptitude tests at the indoor steering system that carries out better, need to effectively simulate its building block, the utility model is just based on this proposition.
Utility model content
The problems referred to above that exist for prior art, the purpose of this utility model is to provide the steering system simulation system with electric steering wheel assembly for the positive aptitude tests of returning of hydraulic power steering gear.
For achieving the above object, the utility model adopts following technical scheme: have the steering system simulation of electric steering wheel assembly
System, comprises Rocker arm assembly, load assembly, electric steering wheel assembly, left wheel simulation steel plate and right simulated wheel steel plate;
Described Rocker arm assembly comprises rocking arm, steering cylinder and ball pin; Described steering cylinder has steering cylinder cylinder barrel and is positioned at left piston bar and the right piston rod of steering cylinder cylinder barrel, left piston bar and right piston rod are respectively left piston bar external part and right piston rod external part from the one end of stretching out in steering cylinder cylinder barrel, left piston bar external part and left wheel simulation steel plate are rotatably connected, and right piston rod stretches out with right simulated wheel steel plate and is rotatably connected; The bulb of described ball pin is arranged on left piston bar external part or right piston rod external part rotationally, between the club of ball pin and rocking arm, be provided with drive link, one end of described drive link is fixedly connected with the club of ball pin, the other end of drive link and one end of rocking arm are rotatably connected; the other end of rocking arm has spline, and rocking arm has one end of spline and the splined end of steering gear is connected;
Described load assembly comprises left hydraulic jack and right hydraulic jack; Described left hydraulic jack has left hydraulic jack cylinder barrel,
The bottom of described left hydraulic jack cylinder barrel has left cylinder barrel oil-in and left cylinder barrel oil-out, in left hydraulic jack cylinder barrel, is provided with left piston bar, and one end and left wheel simulation steel plate that described left piston bar stretches out left hydraulic jack cylinder barrel are rotatably connected; Right hydraulic jack has right hydraulic jack cylinder barrel, the bottom of described right hydraulic jack cylinder barrel has right cylinder barrel oil-in and right cylinder barrel oil-out, in right hydraulic jack cylinder barrel, be provided with right piston rod, one end and right simulated wheel steel plate that described right piston rod stretches out right hydraulic jack cylinder barrel are rotatably connected; Described oil pump has oil pump oil-in and oil pump oil-out, and described oil pump oil-out is communicated with left cylinder barrel oil-in and right cylinder barrel oil-in by the first oil pipe, and oil pump oil-in is communicated with left cylinder barrel oil-out and right cylinder barrel oil-out by the second oil pipe;
Described electric steering wheel assembly comprises support, described support comprises the vertical beam of vertical setting and is fixed on the crossbeam on vertical beam top, described vertical beam and crossbeam form inverted L-shaped structure, the free end of described crossbeam has shaped as frame fixture, on described shaped as frame fixture, there is the first through hole running through up and down, in described the first through hole, be provided with and the screw rod of its clearance fit, the bottom of screw rod is connected with the loop bar that can rotate take screw rod center line as axle; The top of described frame type fixture is provided with motor, and the output shaft of described motor is connected with the top of screw rod and is circumferentially fixing, drives screw rod to rotate along its center line.
As optimization, also comprise the first three-pronged connector and the second three-pronged connector, described the first oil pipe is made up of oil pump outlet line, left cylinder barrel oil inlet pipe and right cylinder barrel oil inlet pipe, and described the second oil pipe is made up of pump inlet pipe, left cylinder barrel flowline and right cylinder barrel flowline; A bifurcated of described the first three-pronged connector is communicated with one end of oil pump outlet line, two other bifurcated is communicated with one end of left cylinder barrel oil inlet pipe and one end of right cylinder barrel oil inlet pipe respectively, the other end of described oil pump outlet line is communicated with oil pump oil-out, and the other end of the other end of described left cylinder barrel oil inlet pipe and right cylinder barrel oil inlet pipe is communicated with left cylinder barrel oil-in and right cylinder barrel oil-in respectively; A bifurcated of described the second three-pronged connector is communicated with one end of pump inlet pipe, two other bifurcated is communicated with one end of left cylinder barrel flowline and one end of right cylinder barrel flowline respectively, the other end of described pump inlet pipe is communicated with oil pump oil-in, and the other end of the other end of described left cylinder barrel flowline and right cylinder barrel flowline is communicated with left cylinder barrel oil-out and right cylinder barrel oil-out respectively.
As optimization, also comprise the stop means swinging for standing screw, described stop means comprises the nut coordinating with screw rod and is fixedly connected on the gag lever post on nut side; Described frame type fixture has the second through hole on vertical side, described gag lever post through the second through hole and with the second through hole wringing fit.
With respect to prior art, the utlity model has following advantage: the utility model provides the steering system simulation system with electric steering wheel assembly, each building block in automotive steering has been carried out equivalent simulation by this scheme, by the detection to this simulation system, can realize the effect of roadway experiment or testing field experiment, test period is short, the advantage that repeatability is high, safe and reliable, in addition, this simulation system is simple in structure, simple to operate, and testing cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of Rocker arm assembly.
Fig. 2 is the structural representation of Rocker arm assembly.
Fig. 3 is the structural representation of electric steering wheel assembly.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1, Fig. 2 and Fig. 3, there is the steering system simulation system of electric steering wheel assembly, comprise Rocker arm assembly, load
Assembly, electric steering wheel assembly, left wheel simulation steel plate 1 and right simulated wheel steel plate 2;
Rocker arm assembly comprises rocking arm 70, steering cylinder and ball pin; Described steering cylinder has steering cylinder cylinder barrel 75 and is positioned at left piston bar 73 and the right piston rod 72 of steering cylinder cylinder barrel 75, left piston bar 73 and right piston rod 72 are respectively left piston bar external part and right piston rod external part from the one end of stretching out in steering cylinder cylinder barrel 75, left piston bar external part and left wheel simulation steel plate 1 are rotatably connected, and right piston rod stretches out with right simulated wheel steel plate 2 and is rotatably connected; The bulb 720 of described ball pin is arranged on left piston bar external part or right piston rod external part rotationally, between the club 721 of ball pin and rocking arm 70, be provided with drive link 723, one end of described drive link 723 is fixedly connected with the club of ball pin 721, one end of the other end of drive link 723 and rocking arm 70 is rotatably connected; the other end of rocking arm 70 has spline, and one end that rocking arm 70 has spline is connected with the splined end of steering gear 80.
Rocker arm assembly can also comprise left connecting link 71 and right connecting link 74, one end of described left connecting link 71 is rotatably connected by the left rotary shaft and the left wheel simulation steel plate 1 that are vertically arranged on left wheel simulation steel plate 1, the other end of left connecting link 71 is fixedly connected with left piston bar external part, one end of described right connecting link 74 is rotatably connected by the right spindle and the right simulated wheel steel plate 2 that are vertically arranged on right simulated wheel steel plate 2, and the other end of right connecting link 74 is fixedly connected with right piston rod external part.
Load hydraulic cylinder assembly comprises left hydraulic jack and right hydraulic jack, described left hydraulic jack has left hydraulic jack cylinder barrel 53, the bottom of described left hydraulic jack cylinder barrel 53 has left cylinder barrel oil-in and left cylinder barrel oil-out, in left hydraulic jack cylinder barrel 53, be provided with left piston bar 51, one end of left piston bar 51 is positioned at left hydraulic jack cylinder barrel 53, the other end stretches out left hydraulic jack cylinder barrel 53, and one end and left wheel simulation steel plate 1 that left piston bar 51 stretches out left hydraulic jack cylinder barrel 53 are rotatably connected; Right hydraulic jack has right hydraulic jack cylinder barrel 54, and the bottom of described right hydraulic jack cylinder barrel 54 has right cylinder barrel oil-in and right cylinder barrel oil-out; In right hydraulic jack cylinder barrel 54, be provided with right piston rod 52, one end of right piston rod 52 is positioned at right hydraulic jack cylinder barrel 54, the other end stretches out right hydraulic jack cylinder barrel 54, and one end and right simulated wheel steel plate 2 that right piston rod 52 stretches out right hydraulic jack cylinder barrel 54 are rotatably connected.
Oil pump 3 has oil pump oil-in and oil pump oil-out, and described oil pump oil-out is communicated with left cylinder barrel oil-in and right cylinder barrel oil-in by the first oil pipe, and oil pump oil-in is communicated with left cylinder barrel oil-out and right cylinder barrel oil-out by the second oil pipe.Described the first oil pipe is made up of oil pump outlet line, left cylinder barrel oil inlet pipe 57 and right cylinder barrel oil inlet pipe 56, and described the second oil pipe is made up of pump inlet pipe, left cylinder barrel flowline 59 and right cylinder barrel flowline 58; Also be provided with the first three-pronged connector and the second three-pronged connector; A bifurcated of the first three-pronged connector is communicated with one end of oil pump outlet line, two other bifurcated is communicated with one end of left cylinder barrel oil inlet pipe 57 and one end of right cylinder barrel oil inlet pipe 56 respectively, the other end of described oil pump outlet line is communicated with oil pump oil-out, and the other end of the other end of described left cylinder barrel oil inlet pipe 57 and right cylinder barrel oil inlet pipe 56 is communicated with left cylinder barrel oil-in and right cylinder barrel oil-in respectively; A bifurcated of the second three-pronged connector is communicated with one end of pump inlet pipe, two other bifurcated is communicated with one end of left cylinder barrel flowline 59 and one end of right cylinder barrel flowline 58 respectively, the other end of described pump inlet pipe is communicated with oil pump oil-in, and the other end of the other end of described left cylinder barrel flowline 59 and right cylinder barrel flowline 58 is communicated with left cylinder barrel oil-out and right cylinder barrel oil-out respectively.
The intensity being connected with left cylinder barrel oil-out in order to improve left cylinder barrel flowline 59, the intensity that left cylinder barrel oil inlet pipe 57 is connected with left cylinder barrel oil-in, the intensity that right cylinder barrel flowline 58 is connected with right cylinder barrel oil-out, the intensity that right cylinder barrel oil inlet pipe 56 is connected with right cylinder barrel oil-in, left cylinder barrel oil-out is fixedly connected with left cylinder barrel fuel discharge port 511, left cylinder barrel oil-in is fixedly connected with left cylinder barrel fuel inlet neck 510, right cylinder barrel oil-out is fixedly connected with right cylinder barrel fuel discharge port 521, and right cylinder barrel oil-in is fixedly connected with right cylinder barrel fuel inlet neck 520.
Electric steering wheel assembly comprises support and motor 14, support comprises the vertical beam 11 of vertical setting and is fixed on the crossbeam 12 on vertical beam 11 tops, vertical beam 11 and crossbeam 12 form inverted L-shaped structure, the free end of crossbeam 11 has shaped as frame fixture, on shaped as frame fixture, there is the first through hole 155 running through up and down, shaped as frame fixture is by upper steel plate 151, lower steel plate 152, left plate 153, right steel plate 154 4 block plates form, upper steel plate and lower steel plate horizontally set and be parallel to each other, left plate and right steel plate vertically arrange and are parallel to each other, the first through hole 155 runs through upper steel plate and lower steel plate, in the first through hole 155, be provided with the screw rod 141 with the first through hole 155 clearance fit, the bottom of screw rod 141 is connected with the loop bar 16 that can rotate take screw rod 141 center lines as axle, the top of frame type fixture is provided with motor 14, it is the top that motor 14 is positioned at upper steel plate, the output shaft of described motor 14 is connected with the top of screw rod 141 and is circumferentially fixing, drive screw rod 141 to rotate along its center line, motor 14 can be bolted to connection at upper steel plate top, in order to reach equilibrium activity, make the stability of device of simulated automotive steering wheel assembly better, on the end being connected with vertical beam 11 tops at crossbeam 12, be installed with balancing weight 13, the quality of the quality of this balancing weight 13 and motor 14 is suitable.When motor 14 drives screw rod 141 to rotate, screw rod 141 easily produces and swings in the first through hole 155, so, the device of simulated automotive steering wheel assembly can also comprise a stop means swinging for standing screw 141, and this stop means comprises the nut 142 coordinating with screw rod 141 and is fixedly connected on the gag lever post 143 on nut side; On the vertical side of frame type fixture, on left plate or right steel plate, there is the second through hole, gag lever post through the second through hole and with the second through hole wringing fit, thereby limited the swing in the first through hole 155 when screw rod 141 rotates take its center line as axle.
Use this steering system simulation system with electric steering wheel assembly to carry out steering system while returning positive aptitude tests, can be by steering assembly, left hydraulic jack cylinder barrel, right hydraulic jack cylinder barrel and double-piston hydraulic cylinder tube are fixed on experiment table, wherein the bottom of left hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel is rotatable on testing table, again the vertical beam of electric steering wheel is fixed on testing table, machine operation, the output shaft of motor drives bolt rotary, screw rod drives loop bar to rotate along the center line of screw rod, loop bar drives the connecting link that is connected its axial restraint with it to rotate, connecting link drives the valve core rotation of steering gear, thereby the rotating torque of motor input is written into steering assembly, valve core rotation drives rack piston to move up and down, rack piston takes output shaft rotation to, one end of output shaft is provided with spline and is connected with one end that rocking arm has spline, thereby output shaft drives rocking arm to rotate, rotating force is passed to drive link by rocking arm, by ball pin, rotating force is passed to left piston bar and right piston rod by drive link again, make left piston bar and the right piston rod (reverse movement of left piston bar and right piston rod of stretching, when left piston bar by cylinder barrel when overhanging, right piston rod inside contracts to cylinder barrel), thereby realize the rotation of left wheel simulation steel plate and right simulated wheel steel plate.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims (3)

1. the steering system simulation system with electric steering wheel assembly, is characterized in that: comprise Rocker arm assembly, load assembly, electric steering wheel assembly, left wheel simulation steel plate (1) and right simulated wheel steel plate (2);
Described Rocker arm assembly comprises rocking arm (70), steering cylinder and ball pin; Described steering cylinder has steering cylinder cylinder barrel (75) and is positioned at left piston bar (73) and the right piston rod (72) of steering cylinder cylinder barrel (75), left piston bar (73) and right piston rod (72) are respectively left piston bar external part and right piston rod external part from the one end of stretching out in steering cylinder cylinder barrel (75), left piston bar external part and left wheel simulation steel plate (1) are rotatably connected, and right piston rod stretches out with right simulated wheel steel plate (2) and is rotatably connected; The bulb (720) of described ball pin is arranged on left piston bar external part or right piston rod external part rotationally, between the club (721) of ball pin and rocking arm (70), be provided with drive link (723), one end of described drive link (723) is fixedly connected with the club (721) of ball pin, one end of the other end of drive link (723) and rocking arm (70) is rotatably connected; the other end of rocking arm (70) has spline, and rocking arm (70) has one end of spline and the splined end of steering gear is connected;
Described load assembly comprises left hydraulic jack and right hydraulic jack; Described left hydraulic jack has left hydraulic jack cylinder barrel (53), the bottom of described left hydraulic jack cylinder barrel (53) has left cylinder barrel oil-in and left cylinder barrel oil-out, in left hydraulic jack cylinder barrel (53), be provided with left piston bar (51), one end and left wheel simulation steel plate (1) that described left piston bar (51) stretches out left hydraulic jack cylinder barrel (53) are rotatably connected; Right hydraulic jack has right hydraulic jack cylinder barrel (54), the bottom of described right hydraulic jack cylinder barrel (54) has right cylinder barrel oil-in and right cylinder barrel oil-out, in right hydraulic jack cylinder barrel, be provided with right piston rod (52), one end and right simulated wheel steel plate (2) that described right piston rod (52) stretches out right hydraulic jack cylinder barrel (54) are rotatably connected;
Described oil pump (3) has oil pump oil-in and oil pump oil-out, and described oil pump oil-out is communicated with left cylinder barrel oil-in and right cylinder barrel oil-in by the first oil pipe, and oil pump oil-in is communicated with left cylinder barrel oil-out and right cylinder barrel oil-out by the second oil pipe;
Described electric steering wheel assembly comprises support, described support comprises the vertical beam (11) of vertical setting and is fixed on the crossbeam (12) on vertical beam (11) top, described vertical beam (11) and crossbeam (12) form inverted L-shaped structure, the free end of described crossbeam (12) has shaped as frame fixture, on described shaped as frame fixture, there is the first through hole (155) running through up and down, in described the first through hole (155), be provided with and the screw rod (141) of its clearance fit, the bottom of screw rod (141) is connected with the loop bar (16) that can rotate take screw rod (141) center line as axle; The top of described frame type fixture is provided with motor (14), and the output shaft of described motor (14) is connected with the top of screw rod (141) and is circumferentially fixing, drives screw rod (141) to rotate along its center line.
2. the steering system simulation system with electric steering wheel assembly as claimed in claim 1, is characterized in that: also comprise the first three-pronged connector (61) and the second three-pronged connector (62); Described the first oil pipe is made up of oil pump outlet line, left cylinder barrel oil inlet pipe (57) and right cylinder barrel oil inlet pipe (56), and described the second oil pipe is made up of pump inlet pipe, left cylinder barrel flowline (59) and right cylinder barrel flowline (58);
A bifurcated of described the first three-pronged connector (61) is communicated with one end of oil pump outlet line, two other bifurcated is communicated with one end of left cylinder barrel oil inlet pipe (57) and one end of right cylinder barrel oil inlet pipe (56) respectively, the other end of described oil pump outlet line is communicated with oil pump oil-out, and the other end of the other end of described left cylinder barrel oil inlet pipe (57) and right cylinder barrel oil inlet pipe (56) is communicated with left cylinder barrel oil-in and right cylinder barrel oil-in respectively;
A bifurcated of described the second three-pronged connector (62) is communicated with one end of pump inlet pipe, two other bifurcated is communicated with one end of left cylinder barrel flowline (59) and one end of right cylinder barrel flowline (58) respectively, the other end of described pump inlet pipe is communicated with oil pump oil-in, and the other end of the other end of described left cylinder barrel flowline (59) and right cylinder barrel flowline (58) is communicated with left cylinder barrel oil-out and right cylinder barrel oil-out respectively.
3. the steering system simulation system with electric steering wheel assembly as claimed in claim 1, it is characterized in that: also comprise the stop means swinging for standing screw (141), described stop means comprises the nut (142) coordinating with screw rod (141) and is fixedly connected on the gag lever post (143) on nut (142) side; Described frame type fixture has the second through hole on vertical side, described gag lever post (143) through the second through hole and with the second through hole wringing fit.
CN201320703417.5U 2013-11-08 2013-11-08 Steering system simulation system with electric steering wheel assembly Expired - Fee Related CN203629856U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320703417.5U CN203629856U (en) 2013-11-08 2013-11-08 Steering system simulation system with electric steering wheel assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320703417.5U CN203629856U (en) 2013-11-08 2013-11-08 Steering system simulation system with electric steering wheel assembly

Publications (1)

Publication Number Publication Date
CN203629856U true CN203629856U (en) 2014-06-04

Family

ID=50816322

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320703417.5U Expired - Fee Related CN203629856U (en) 2013-11-08 2013-11-08 Steering system simulation system with electric steering wheel assembly

Country Status (1)

Country Link
CN (1) CN203629856U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110082105A (en) * 2019-05-27 2019-08-02 儒拉玛特自动化技术(苏州)有限公司 A kind of rack-and-pinion assisted steering system noise test equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110082105A (en) * 2019-05-27 2019-08-02 儒拉玛特自动化技术(苏州)有限公司 A kind of rack-and-pinion assisted steering system noise test equipment
CN110082105B (en) * 2019-05-27 2023-12-01 儒拉玛特自动化技术(苏州)有限公司 Noise testing equipment for rack power-assisted steering device

Similar Documents

Publication Publication Date Title
CN103674575A (en) Testing device provided with steering wheel assembly and load assembly
CN203629856U (en) Steering system simulation system with electric steering wheel assembly
CN200941083Y (en) Test bench for autocar steering gear
CN203532413U (en) Testing device with testing table provided with load hydraulic cylinder assembly
CN203745210U (en) Testing device with oil pipe placing chamber
CN203534821U (en) Testing system used for driving running-in of steering system automatically
CN203688246U (en) Testing device provided with steering wheel assembly and load assembly
CN203629850U (en) Test device with steering gear rocker arm assembly installation structure
CN203688230U (en) Automobile steering system simulating system
CN203688244U (en) Apparatus equipped with rocker arm assembly simulating structure and used for testing aligning force of steering gear
CN203604294U (en) Parallel movement mechanism of hydraulic drill boom
CN203688248U (en) Testing apparatus possessing oil pipe placing chamber and electric steering wheel assembly
CN203688242U (en) Test apparatus having electric steering wheel assembly and rocker arm assembly simulation mechanism
CN203629833U (en) Test device with structure for simulating front wheel loading returning force during vehicle driving
CN204479316U (en) A kind of Multifunction rotating vane type hydraulic sterring engine testing table
CN203629855U (en) Test device with returning force loading mechanism on test bench
CN203629857U (en) Steering gear test mechanism
CN203629852U (en) Test device with rocker arm assembly installation structure on test bench
CN203688247U (en) Testing device provided with rocker arm assembly simulating mechanism and load assembly simulating mechanism
CN203534839U (en) Test device used for electric power steering gear returnability test
CN203629841U (en) Device for steering gear returnability testing
CN203688245U (en) Test stand equipped with steering wheel assembly and rocker arm assembly simulating structure
CN203629840U (en) Testing device
CN203629842U (en) Testing device with electric steering assembly
CN103674576A (en) Testing device provided with rocker arm assembly simulating mechanism and load assembly simulating mechanism

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: 20140604

Termination date: 20141108

EXPY Termination of patent right or utility model