CN203629850U - Test device with steering gear rocker arm assembly installation structure - Google Patents
Test device with steering gear rocker arm assembly installation structure Download PDFInfo
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- CN203629850U CN203629850U CN201320698891.3U CN201320698891U CN203629850U CN 203629850 U CN203629850 U CN 203629850U CN 201320698891 U CN201320698891 U CN 201320698891U CN 203629850 U CN203629850 U CN 203629850U
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Abstract
The utility model relates to a test device with a steering gear rocker arm assembly installation structure. The device comprises an oil pump, a test bench, a supporting frame disposed below the test bench and used for supporting the test bench, and an electric steering wheel assembly and a load hydraulic cylinder assembly which are arranged on the test bench. The steering gear rocker arm assembly installation structure comprises a steering gear oil cylinder. 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 test bench is provided with a steering gear installation member and a steering oil cylinder installation member which is used for fixing a steering gear rocker arm assembly. 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 specifically used for testing the returning ability of a hydraulic power-assisted steering gear and is high in universality and simple in structure. The magnitude of rotation torque is controlled by a motor, and the measuring accuracy is high.
Description
Technical field
The utility model relates to auto parts and components proving installation, specifically refers to have the test unit that steering gear Rocker arm assembly structure is installed.
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: have the test unit that steering gear Rocker arm assembly structure is installed, comprise the load hydraulic cylinder assembly of front-wheel loading Hui Zhengli when test-bed, oil pump, electric steering wheel assembly and simulating vehicle travel; 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 stationary deflector Rocker arm assembly, described electric steering wheel assembly and load hydraulic cylinder assembly are arranged on testing table; Described steering gear Rocker arm assembly is 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 by four brace summer I, brace summer II, brace summer III and brace summer IV that vertically arrange, form, described brace summer I, brace summer II, brace summer III and brace summer IV, top be fixedly connected on respectively testing table, four jiaos;
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 cylinder tube in multiple stationary deflector Rocker arm assemblies;
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 bottom of described vertical beam is fixedly connected on testing table, the free end of described crossbeam has frame type fixture, on described frame type fixture, have the first through hole running through up and down, be provided with and the screw rod of its clearance fit in described the first through hole, 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;
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 gear housing is installed.
As optimization, the described first horizontal fixation steel plate and the first vertical the first stiffening plate that is also provided with right-angle triangle between steel plate of installing, two right-angle sides of described the first stiffening plate are fixedly connected on respectively the first horizontal fixation steel plate and the first vertical installation on the corresponding end of steel plate.
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.On the end that described crossbeam is connected with vertical beam top, be installed with balancing weight.
As optimization, buttress brace before being provided with between described brace summer I and brace summer II, after being provided with between brace summer III and brace summer IV buttress brace, between brace summer I and brace summer III, be provided with the bottom that left buttress brace and left buttress brace are connected to brace summer I and brace summer III, between brace summer II and brace summer IV, be provided with right buttress brace and right buttress brace and be connected to the bottom of brace summer II and brace summer IV.
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.
With respect to prior art, the utlity model has following advantage: the utility model provides has the test unit that steering gear Rocker arm assembly structure is installed, can be specifically designed to the test of returning positive ability of hydraulic power steering gear, this test unit has highly versatile, feature simple in structure, in the face of the hydraulic power steering gear of different model, only need to change steering gear fabricated section, simple to operate, in test process, driven by motor bolt rotary is realized the input of rotating torque, rotating torque size is better to be controlled and determines, be conducive to improve the accuracy of steering gear performance test data, in addition, can 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 that steering gear Rocker arm assembly structure is installed.
Fig. 2 is the structural representation of load hydraulic cylinder assembly.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1, there is the test unit that steering gear Rocker arm assembly structure is installed, comprise test-bed, oil pump, electronic side
While travelling to disc assembly and simulating vehicle, front-wheel loads the load hydraulic cylinder assembly of Hui Zhengli;
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,
On described testing table 20, there is steering gear fabricated section and the stationary deflector Rocker arm assembly (hydraulic jack that steering gear Rocker arm assembly is double-piston of stationary deflector housing, two piston rods of steering gear Rocker arm assembly are rotatably connected with left wheel simulation steel plate and the right simulated wheel steel plate of simulation car left and right front-wheel respectively) steering cylinder fabricated section, described electric steering wheel assembly and load hydraulic cylinder assembly are arranged on testing table; Described steering gear Rocker arm assembly is 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 the bottom that left buttress brace 27 and left buttress brace are connected to brace summer I and brace summer III, between brace summer II 22 and brace summer IV 24, be provided with the bottom that right buttress brace 28 and right buttress brace are connected to 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 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, in steering gear Rocker arm assembly, turn to cylinder tube to be connected in U-shaped anchor ear 44, in order to turn to cylinder tube to be fixed in steering gear Rocker arm assembly better, multiple U-shaped anchor ears 44 can be set, be generally 3 ~ 4.
Described 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 bottom of described vertical beam 11 is fixedly connected on testing table, the base of vertical beam 11 has flange, on flange, have multiple (being generally 4 ~ 6) threaded hole for fixing vertical beam 11, multiple threaded holes are uniformly distributed along vertical beam for 11 1 weeks; The free end of crossbeam 11 has frame type fixture, on frame type fixture, there is the first through hole 155 running through up and down, frame type fixture is made up of upper steel plate 151, lower steel plate 152, left plate 153, right steel plate 154 4 block plates, 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 and the screw rod 141 of 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.
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.
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 first mounting hole 34 of steering gear housing is installed.This first 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 the first stiffening plate 35 that is also provided with right-angle triangle between steel plate 33 of installing, two right-angle sides of described the first 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 the first stiffening plate is fixedly connected on the horizontal left part of the first horizontal fixation steel plate, another right-angle side of the first stiffening plate is also fixedly connected on first vertically on the horizontal left part of installation steel plate).
Use this have test unit that steering gear Rocker arm assembly structure is installed carry out hydraulic power steering gear return positive aptitude tests time, by steering gear fabricated section, steering assembly is arranged on testing table, by steering cylinder fabricated section, the hydraulic jack of the double-piston in steering gear Rocker arm assembly 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, and two piston rods of double-piston hydraulic oil cylinder are rotatably connected with left wheel simulation steel plate and the right simulated wheel steel plate of simulation left and right front-wheel respectively, on testing table, arrange again rotating torque of steering gear is reached to the left wheel simulation steel plate of simulation left and right front-wheel and the Rocker arm assembly of right simulated wheel steel plate, driven by motor bolt rotary, screw rod drives loop bar to rotate, thereby loop bar drives valve core rotation to be written into 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 (7)
1. there is the test unit that steering gear Rocker arm assembly structure is installed, it is characterized in that: the load hydraulic cylinder assembly that comprises front-wheel loading Hui Zhengli when test-bed, oil pump, electric steering wheel assembly and simulating vehicle travel;
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 stationary deflector Rocker arm assembly, described electric steering wheel assembly and load hydraulic cylinder assembly are arranged on testing table; Described steering gear Rocker arm assembly is 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 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 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) that turns to cylinder tube in multiple stationary deflector Rocker arm assemblies;
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 bottom of described vertical beam is fixedly connected on testing table, the free end of described crossbeam (12) has frame type fixture, on described frame type fixture, there is the first through hole (155) running through up and down, in described the first through hole (155), be provided with the screw rod (141) with 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,
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 installation steering gear Rocker arm assembly structure as claimed in 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 gear housing is installed.
3. the test unit with installation steering gear Rocker arm assembly structure as claimed in claim 2, it is characterized in that: the described first horizontal fixation steel plate (32) and the first vertical the first stiffening plate (35) that is also provided with right-angle triangle between steel plate (33) of installing, two right-angle sides of described the first stiffening plate (35) are fixedly connected on respectively the first horizontal fixation steel plate (32) and the first vertical installation on the corresponding end of steel plate (33).
4. the test unit with installation steering gear Rocker arm assembly structure 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.
5. the test unit with installation steering gear Rocker arm assembly structure as claimed in claim 1, is characterized in that: on the end that described crossbeam (12) is connected with vertical beam (11) top, be installed with balancing weight (13).
6. the test unit with installation steering gear Rocker arm assembly structure as claimed in claim 1, it is characterized in that: between described brace summer I (21) and brace summer II (22), be provided with front buttress brace (25), between brace summer III (23) and brace summer IV (24), be provided with rear buttress brace (26), between brace summer I (21) and brace summer III (23), be provided with the bottom that left buttress brace (27) and left buttress brace are connected to brace summer I and brace summer III, between brace summer II (22) and brace summer IV (24), be provided with the bottom that right buttress brace (28) and right buttress brace are connected to brace summer II and brace summer IV.
7. the test unit with installation steering gear Rocker arm assembly structure 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698891.3U CN203629850U (en) | 2013-11-07 | 2013-11-07 | Test device with steering gear rocker arm assembly installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698891.3U CN203629850U (en) | 2013-11-07 | 2013-11-07 | Test device with steering gear rocker arm assembly installation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629850U true CN203629850U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320698891.3U Expired - Fee Related CN203629850U (en) | 2013-11-07 | 2013-11-07 | Test device with steering gear rocker arm assembly installation structure |
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| Country | Link |
|---|---|
| CN (1) | CN203629850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575211A (en) * | 2016-01-20 | 2016-05-11 | 合肥同智机电控制技术有限公司 | Steering wheel feedback apparatus |
-
2013
- 2013-11-07 CN CN201320698891.3U patent/CN203629850U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575211A (en) * | 2016-01-20 | 2016-05-11 | 合肥同智机电控制技术有限公司 | Steering wheel feedback apparatus |
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