CN203629851U - Test device with load hydraulic cylinder assembly - Google Patents
Test device with load hydraulic cylinder assembly Download PDFInfo
- Publication number
- CN203629851U CN203629851U CN201320698892.8U CN201320698892U CN203629851U CN 203629851 U CN203629851 U CN 203629851U CN 201320698892 U CN201320698892 U CN 201320698892U CN 203629851 U CN203629851 U CN 203629851U
- Authority
- CN
- China
- Prior art keywords
- oil
- cylinder barrel
- steel plate
- 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
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a test device with a load hydraulic cylinder assembly. The device comprises an oil pimp, a long strip-shaped test bench, a supporting frame disposed below the test bench and used for supporting the test bench, and a load hydraulic cylinder assembly used for simulating the vehicle front wheel returning force. The test bench is provided with a steering gear installation member and a steering oil cylinder installation member. The load hydraulic cylinder assembly is arranged on the test bench. The supporting frame is composed of four vertically-arranged supporting beams, and the top ends of the four supporting beams are respectively and fixedly connected to the four corners of the test bench. The load hydraulic cylinder assembly includes left and right hydraulic oil cylinders, oil inlets of left and right hydraulic oil cylinder tubes are communicated with an oil outlet of the oil pump through a first oil pipe, and oil outlets of the left and right hydraulic oil cylinder tubes are communicated with an oil inlet of the oil pump through a second oil pipe. The test bench frame is high in universality and simple in structure. For hydraulic power-assisted steering gears of different models, what only needs to do is replace the steering gear installation member, and the operation is simple. In addition, the actual driving condition of a vehicle can be simulated, and the accuracy of test results is high.
Description
Technical field
The utility model relates to auto parts and components proving installation, specifically refers to have the test unit of load hydraulic cylinder assembly.
Background technology
Hydraulic power steering gear, is arranged on automotive front near driver's one side.It can provide power-assisted and assist driver to complete the function turning in Vehicular turn.The power resources of hydraulic power steering gear are engines, driving automobile operation of oil pump when engine operation.In the time that hydraulic oil acts on the end face (pressure-bearing surface) of piston, rack piston is produced to thrust.Along with the rising thrust of oil pressure increases, when thrust increases to and makes deflecting roller overcome road resistance, promote deflecting roller and rotate, vehicle enters steering state.
The security performance that time positive ability direct relation of hydraulic power steering gear is installed this hydraulic power steering gear vehicle, therefore, arbitrary hydraulic power steering gear all should return positive aptitude tests before dispatching from the factory, and in the situation that time positive ability is up to standard, can dispatches from the factory and start selling.In prior art, be not also specifically designed to the test board that positive ability is tested that returns of hydraulic power steering gear to various models.
Utility model content
The problems referred to above that exist for prior art, the purpose of this utility model is to provide a kind of test unit for the positive aptitude tests of returning of hydraulic power steering gear.
For achieving the above object, the utility model adopts following technical scheme: there is the test unit of load hydraulic cylinder assembly,
Comprise the load hydraulic cylinder assembly of the front positive power of samsara of test-bed, oil pump and simulating vehicle;
Described test-bed comprises the testing table of strip and is positioned at below testing table and for supporting the bracing frame of testing table, on described testing table, have the steering gear fabricated section of stationary deflector housing and the steering cylinder fabricated section of fixing steering cylinder assembly, described load hydraulic cylinder assembly is arranged on testing table; Support frame as described above is made up of four brace summer I, brace summer II, brace summer III and brace summer IV that vertically arrange, and the top of described brace summer I, brace summer II, brace summer III and brace summer IV is fixedly connected on respectively four jiaos of testing table; Described steering cylinder assembly comprises steering cylinder, the hydraulic jack that described steering cylinder is double-piston, and two piston rods of the hydraulic jack of this double-piston are rotatably connected with left wheel simulation steel plate and the right simulated wheel steel plate of the left and right front-wheel of simulated automotive respectively;
Described steering cylinder fabricated section is the second horizontal fixation steel plate and the second vertical T shape structure that steel plate formation is installed, the second vertical installation steel plate vertically arranges and bottom is installed on testing table, the second horizontal fixation steel plate horizontally set and be installed in the second vertical top that steel plate is installed, the described second horizontal fixation steel plate top has the U-shaped anchor ear of multiple fixing steering cylinder assembly cylinder barrels;
Described load hydraulic cylinder 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, be provided with left piston bar, 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.
As optimization, described steering gear fabricated section is the first horizontal fixation steel plate and the first vertical L shaped structure that steel plate formation is installed, the described first horizontal fixation steel plate and the first vertical installation steel plate are the integral structure that one-step casting obtains, the first horizontal fixation steel plate horizontally set and being installed on testing table, the first vertical steel plate of installing vertically arranges and on it, has multiple for the first mounting hole of steering assembly is installed.
As optimization, the test unit with load hydraulic cylinder assembly also comprises 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.
With respect to prior art, the utlity model has following advantage: the utility model provides the test unit with load hydraulic cylinder assembly, this test unit highly versatile, in the face of the hydraulic power steering gear of different model, only need to change steering gear fabricated section and steering cylinder fabricated section, simple to operate; By regulate oil pump pump into oil mass in left hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel number regulate left wheel simulation steel plate and right simulated wheel steel plate to load on the positive power size of returning of steering gear, thereby left and right front-wheel when the actual driving of energy simulating vehicle loads on the Hui Zhengli of steering gear, improve the accuracy of test result.
Accompanying drawing explanation
Fig. 1 is the structural representation with the test unit of load hydraulic cylinder assembly.
Fig. 2 is the structural representation of the load hydraulic cylinder assembly of the positive power of samsara before simulating vehicle.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1, there is the test unit of load hydraulic cylinder assembly, comprise the load hydraulic cylinder assembly of the front positive power of samsara of test-bed, oil pump and simulating vehicle, described test-bed comprises the testing table 20 of strip and is positioned at testing table below and for supporting the bracing frame of testing table, described load hydraulic cylinder assembly is arranged on testing table, on described testing table 20, there is the steering gear fabricated section of stationary deflector housing and the steering cylinder fabricated section of fixing steering cylinder assembly, described steering cylinder assembly comprises steering cylinder, the hydraulic jack that described steering cylinder is double-piston, and two piston rods of the hydraulic jack of this double-piston are rotatably connected with left wheel simulation steel plate and the right simulated wheel steel plate of the left and right front-wheel of simulated automotive respectively, support frame as described above is by four brace summer I 21 that vertically arrange, brace summer II 22, brace summer III 23 and brace summer IV 24 form, described brace summer I 21, brace summer II 22, the top of brace summer III 23 and brace summer IV 24 is fixedly connected on respectively four jiaos of testing table 20, wherein brace summer I 21 and brace summer II 22 are positioned at the front side of testing table, described brace summer III 23 and brace summer IV 24 are positioned at the rear side of testing table, buttress brace 25 before being provided with between brace summer I 21 and brace summer II 22, buttress brace 26 after being provided with between brace summer III 23 and brace summer IV 24, between brace summer I 21 and brace summer III 23, be provided with left buttress brace 27, left buttress brace is connected to the bottom of brace summer I and brace summer III, between brace summer II 22 and brace summer IV 24, be provided with right buttress brace 28, right buttress brace is connected to the bottom of brace summer II and brace summer IV.The rigidity that further raising bracing frame is set and the stability of front buttress brace 25, rear buttress brace 26, left buttress brace 27 and right buttress brace 28, the bottom of left buttress brace 27 and right buttress brace 28 has respectively the contact area of left buttress brace flange 270 and right buttress brace flange 280 these bracing frames of increase and bottom surface or other supporting surfaces, improves the stability of bracing frame.
Steering cylinder fabricated section is the T shape structure that the second horizontal fixation steel plate 42 and the second vertical installation steel plate 43 form, the second vertical installation steel plate 43 vertically arranges and bottom is installed on testing table, the second horizontal fixation steel plate 42 horizontally sets and be installed in the second vertical top that steel plate 43 is installed, the described second horizontal fixation steel plate 42 tops have the U-shaped anchor ear 44 of multiple fixing steering cylinder assembly cylinder barrels.The second vertical bottom that steel plate 43 is installed has flange, on flange, have and multiple the second vertical steel plate 43 of installing is fixed on to the threaded hole on testing table, the cylinder barrel of steering cylinder assembly is connected in U-shaped anchor ear 44, in order better the cylinder barrel of steering cylinder assembly to be fixed, multiple U-shaped anchor ears 44 can be set, be generally 3 ~ 4.
Steering gear fabricated section can be the L shaped structure that the first horizontal fixation steel plate 32 and the first vertical installation steel plate 33 form, the integral structure that the first horizontal fixation steel plate 32 and the first vertical installation steel plate 33 obtain for one-step casting, the first horizontal fixation steel plate 32 horizontally sets and being installed on testing table, on the first horizontal fixation steel plate, there are multiple threaded holes, be generally four, be positioned at four jiaos of the first horizontal fixation steel plate, bolt is fixed on the first horizontal fixation steel plate on testing table through threaded hole, the first vertical steel plate 33 of installing vertically arranges and on it, has multiple (being generally three) for the mounting hole 34 of steering gear housing is installed.This mounting hole is threaded hole, and for the steering gear to a series of identical models is tested, the first vertical installation on steel plate is typically provided with the different multiple threaded holes of shape size, and these threaded holes are three multiple normally.In order to strengthen the rigidity of steering gear fabricated section, the first horizontal fixation steel plate 32 and the first vertical stiffening plate 35 that is also provided with right-angle triangle between steel plate 33 of installing, two right-angle sides of described stiffening plate 35 are fixedly connected on respectively the first horizontal fixation steel plate 32 and the first vertical install on the corresponding end of steel plate 33 (in the time that a right-angle side of stiffening plate is fixedly connected on the horizontal left part of the first horizontal fixation steel plate, another right-angle side of stiffening plate is also fixedly connected on first vertically on the horizontal left part of installation steel plate).
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 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 61 and the second three-pronged connector 62; A bifurcated of 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 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.
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.
When what use the utility model provided has the test-bed of the front positive power simulation mechanism of samsara of vehicle, by steering gear fabricated section, steering assembly is arranged on testing table, by steering cylinder fabricated section, the hydraulic jack of double-piston is arranged on testing table, then on testing table, the load hydraulic jack assembly being made up of left hydraulic jack and right hydraulic jack is installed, wherein the bottom of left hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel is arranged on testing table rotationally, at the end of steering gear spool closure dish, hand rotation bearing circle is inputted rotating torque to steering gear, valve core rotation drives rack piston to move up and down, rack piston drives output shaft rotation, one end of output shaft is connected with one end of Rocker arm assembly by spline, by Rocker arm assembly, the rotating torque being written into is reached to left wheel simulation steel plate and right simulated wheel steel plate, adjust the oil mass that oil pump pumps into left hydraulic jack and right hydraulic jack, realization is written into steering gear returns the adjustment of positive power size, thereby can realize flowed friction steering gear and return the test of positive ability.
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 test unit with load hydraulic cylinder assembly, is characterized in that: the load hydraulic cylinder assembly that comprises the front positive power of samsara of test-bed, oil pump and simulating vehicle;
Described test-bed comprises the testing table (20) of strip and is positioned at below testing table and for supporting the bracing frame of testing table, on described testing table (20), have the steering gear fabricated section of stationary deflector housing and the steering cylinder fabricated section of fixing steering cylinder assembly, described load hydraulic cylinder assembly is arranged on testing table; Support frame as described above is made up of four the brace summer I (21) that vertically arrange, brace summer II (22), brace summer III (23) and brace summer IV (24), and the top of described brace summer I (21), brace summer II (22), brace summer III (23) and brace summer IV (24) is fixedly connected on respectively four jiaos of testing table (20); Described steering cylinder assembly comprises steering cylinder, the hydraulic jack that described steering cylinder is double-piston, and two piston rods of the hydraulic jack of this double-piston are rotatably connected with left wheel simulation steel plate and the right simulated wheel steel plate of the left and right front-wheel of simulated automotive respectively;
Described steering cylinder fabricated section is the second horizontal fixation steel plate (42) and the second vertical T shape structure that steel plate (43) formation is installed, the second vertical installation steel plate (43) vertically arranges and bottom is installed on testing table, the second horizontal fixation steel plate (42) horizontally set and be installed in the second vertical top that steel plate (43) is installed, the described second horizontal fixation steel plate (42) top has the U-shaped anchor ear (44) of multiple fixing steering cylinder assembly cylinder barrels;
Described 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 described 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; Described 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 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.
2. the test unit with load hydraulic cylinder assembly according to claim 1, it is characterized in that: described steering gear fabricated section is the first horizontal fixation steel plate (32) and the first vertical L shaped structure that steel plate (33) formation is installed, the integral structure that the described first horizontal fixation steel plate (32) and the first vertical installation steel plate (33) obtain for one-step casting, the first horizontal fixation steel plate (32) horizontally set and being installed on testing table, the first vertical steel plate (33) of installing vertically arranges and on it, has multiple for first mounting hole (34) of steering assembly is installed.
3. the test unit with load hydraulic cylinder assembly according to 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698892.8U CN203629851U (en) | 2013-11-07 | 2013-11-07 | Test device with load hydraulic cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698892.8U CN203629851U (en) | 2013-11-07 | 2013-11-07 | Test device with load hydraulic cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629851U true CN203629851U (en) | 2014-06-04 |
Family
ID=50816317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320698892.8U Expired - Fee Related CN203629851U (en) | 2013-11-07 | 2013-11-07 | Test device with load hydraulic cylinder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203629851U (en) |
-
2013
- 2013-11-07 CN CN201320698892.8U patent/CN203629851U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203532413U (en) | Testing device with testing table provided with load hydraulic cylinder assembly | |
| CN103674575A (en) | Testing device provided with steering wheel assembly and load assembly | |
| CN203745210U (en) | Testing device with oil pipe placing chamber | |
| CN203629851U (en) | Test device with load hydraulic cylinder assembly | |
| CN203534821U (en) | Testing system used for driving running-in of steering system automatically | |
| CN203688244U (en) | Apparatus equipped with rocker arm assembly simulating structure and used for testing aligning force of steering gear | |
| CN203629850U (en) | Test device with steering gear rocker arm assembly installation structure | |
| CN203629854U (en) | Test bench frame with vehicle front wheel returning force simulating mechanism | |
| CN203629849U (en) | Test mechanism with structure for simulating returning forces of left and right front wheels | |
| CN203629857U (en) | Steering gear test mechanism | |
| CN203688246U (en) | Testing device provided with steering wheel assembly and load assembly | |
| CN203629843U (en) | Test device for testing performance of steering gear | |
| CN203688247U (en) | Testing device provided with rocker arm assembly simulating mechanism and load assembly simulating mechanism | |
| CN103674576A (en) | Testing device provided with rocker arm assembly simulating mechanism and load assembly simulating mechanism | |
| CN203629846U (en) | Test device with steering oil cylinder assembly structure | |
| CN203629833U (en) | Test device with structure for simulating front wheel loading returning force during vehicle driving | |
| CN203534839U (en) | Test device used for electric power steering gear returnability test | |
| CN203629797U (en) | Test mechanism with rocker arm assembly simulation mechanism on test bench | |
| CN203688243U (en) | Testing apparatus equipped with rocker arm assembly simulating structure in automobile steering system | |
| CN203629852U (en) | Test device with rocker arm assembly installation structure on test bench | |
| CN203629847U (en) | Test bench frame used for testing returning ability of hydraulic power-assisted steering gear | |
| CN203629855U (en) | Test device with returning force loading mechanism on test bench | |
| CN203629842U (en) | Testing device with electric steering assembly | |
| CN203629840U (en) | Testing device | |
| CN203629845U (en) | Test bench frame with steering gear assembly fixing structure |
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: 20141107 |
|
| EXPY | Termination of patent right or utility model |