CN203688248U - Testing apparatus possessing oil pipe placing chamber and electric steering wheel assembly - Google Patents
Testing apparatus possessing oil pipe placing chamber and electric steering wheel assembly Download PDFInfo
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- CN203688248U CN203688248U CN201320850675.6U CN201320850675U CN203688248U CN 203688248 U CN203688248 U CN 203688248U CN 201320850675 U CN201320850675 U CN 201320850675U CN 203688248 U CN203688248 U CN 203688248U
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Abstract
The utility model relates to a testing apparatus possessing an oil pipe placing chamber and an electric steering wheel assembly, comprising a testing stand and a bracing frame arranged under the testing stand and used for supporting the testing stand. The testing stand possesses a steering gear installation part, a turning oil cylinder installation part, two oil pipe through holes I, two oil pipe through holes II, a steering wheel assembly, a rocking arm assembly simulation mechanism and a load assembly simulation mechanism. A shoe plate is arranged between the testing stand and the bracing frame; the bracing frame is composed of four vertical support beams; the tops of the four support beams are respectively in fixed connection with four corners under the shoe plate. The rocking arm assembly simulation mechanism comprises a rocking arm, a ball pin and a turning oil cylinder possessing two piston rods, wherein one end of the rocking arm is in connection with a steering gear through a spline, and the other end is in connection with any piston rod of the turning oil cylinder through the ball pin; two piston rods of the turning oil cylinder are respectively in connection with left and right wheel simulation steel plates. The testing apparatus has a simple structure and strong versatility; for hydraulic power assisted steering gears in different models, only the steering gear installation part needs to be changed, the operation being simple.
Description
Technical field
The utility model relates to auto parts and components proving installation, specifically refers to have the proving installation of oil pipe placed cavity and electric steering wheel 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: the proving installation with oil pipe placed cavity and electric steering wheel assembly, comprise the testing table of strip and be positioned at below testing table and for supporting the bracing frame of testing table, on described testing table, there are the steering gear fabricated section of stationary deflector assembly, steering cylinder fabricated section, two oil pipe through hole I and two oil pipe through hole II of fixing Rocker arm assembly simulation mechanism, also comprise the electric steering wheel assembly, Rocker arm assembly simulation mechanism and the load assembly simulation mechanism that are arranged on testing table;
Support frame as described above is by four brace summer I that vertically arrange, brace summer II, brace summer III and brace summer IV form, between described testing table and bracing frame, be provided with back up pad, described back up pad is parallel to testing table setting, left side in back up pad is provided with right baffle-plate, the right side of back up pad is provided with right baffle plate, described right baffle-plate, right baffle plate is all located between back up pad and testing table, the two ends up and down of right baffle-plate are fixedly connected with testing table with back up pad respectively, the two ends up and down of right baffle plate are fixedly connected with testing table with back up pad respectively, right baffle-plate, right baffle plate, testing table and back up pad have formed the oil pipe placed cavity of a both-side opening, brace summer I, brace summer II, the top of brace summer III and brace summer IV is fixedly connected on respectively four jiaos of back up pad below,
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 frame type fixture, on described frame type 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;
Described Rocker arm assembly simulation mechanism 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 simulation mechanism 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 the first left piston bar, one end and left wheel simulation steel plate that described the first 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 the first right piston rod, one end and right simulated wheel steel plate that described the first right piston rod stretches out right hydraulic jack cylinder barrel are rotatably connected; Also comprise oil pump, described oil pump has oil pump oil-in and oil pump oil-out, 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, 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 cylinder barrels.
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 a kind of test unit that returns positive aptitude tests that is specifically designed to hydraulic power steering gear, 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, highly versatile.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 proving installation of oil pipe placed cavity and electric steering wheel assembly.
Fig. 2 is the structural representation of Rocker arm assembly simulation mechanism in automotive steering.
Fig. 3 is the structural representation of load assembly simulation mechanism.
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 proving installation of oil pipe placed cavity and electric steering wheel assembly, comprise the testing table 20 of strip and be positioned at below testing table and for supporting the bracing frame of testing table, on testing table, there are the steering gear fabricated section of stationary deflector assembly, steering cylinder fabricated section, two oil pipe through hole I 201 and two oil pipe through hole II 202 of fixing Rocker arm assembly simulation mechanism, also comprise the electric steering wheel assembly, Rocker arm assembly simulation mechanism and the load assembly simulation mechanism that are arranged on testing table; The aperture of oil pipe through hole I 201 and oil pipe through hole II 202 is preferably 32.8mm, is so both beneficial to oil pipe and passes, and is beneficial to again oil pipe being fixed in this oil pipe through hole tightly.
Bracing frame is made up of four brace summer I 21, brace summer II 22, brace summer III 23 and brace summer IV 24 that vertically arrange, between testing table 20 and bracing frame, be provided with back up pad 29, back up pad 29 is parallel to testing table setting, be provided with right baffle-plate 290 in the left side of back up pad 29, the right side of back up pad 29 is provided with right baffle plate 291, right baffle-plate 290, right baffle plate 291 is all located between back up pad 29 and testing table 20, the two ends up and down of right baffle-plate 290 are fixedly connected with the downside of testing table 20 with the upper side of back up pad 29 respectively, the two ends up and down of right baffle plate 291 respectively with upper side be fixedly connected with the downside of testing table 20, right baffle-plate 290, right baffle plate 291, testing table 20 and back up pad 29 have formed the oil pipe placed cavity of a both-side opening, 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 back up pad 29 belows.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 and 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, after being provided with between brace summer III 23 and brace summer IV 24 buttress brace 26, 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.
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 frame type fixture, on frame type fixture, there is the first through hole 155 running through up and down, frame type 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 electric 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 electric 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.
Rocker arm assembly simulation mechanism 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 simulation mechanism 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 assembly simulation mechanism 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 the first left piston bar 51, one end of the first left piston bar 51 is positioned at left hydraulic jack cylinder barrel 53, the other end stretches out that left hydraulic jack cylinder barrel 53, the first left piston bars 51 stretch out one end of left hydraulic jack cylinder barrel 53 and left wheel simulation steel plate 1 is 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 the first right piston rod 52, one end of the first right piston rod 52 is positioned at right hydraulic jack cylinder barrel 54, the other end stretches out one end and the right simulated wheel steel plate 2 that the right piston rod 52 of right hydraulic jack cylinder barrel 54, the first stretches out right hydraulic jack cylinder barrel 54 and is rotatably connected.
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).
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, steering cylinder cylinder barrel is connected in U-shaped anchor ear 44, in order better steering cylinder cylinder barrel to be fixed, multiple U-shaped anchor ears 44 can be set, be generally 3 ~ 4.
Use this proving installation with oil pipe placed cavity and electric steering wheel assembly to carry out returning when positive aptitude tests of hydraulic power steering gear, by steering gear fabricated section, steering assembly is arranged on testing table, the steering cylinder with two piston rods is arranged on testing table, left hydraulic jack and right hydraulic jack are installed on testing table again, wherein the bottom of left hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel is arranged on testing table rotationally, on left hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel, all there is oil-in and oil-out, in test process, need to oil pump left in hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel pump oil simulate the steering force that left and right front-wheel loads, the oil-out of oil pump is communicated with the oil-in on left hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel respectively by the first oil pipe, the oil-in of oil pump is communicated with by oil-out on the left hydraulic jack cylinder barrel of the second oil pipe and right hydraulic jack cylinder barrel, for the first oil pipe easy to use and the second oil pipe are generally Y-pipe, a bifurcated of the first oil pipe is communicated with the oil-out of oil pump, two other bifurcated is communicated with the oil-in on left hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel respectively through an oil pipe through hole I, an oil pipe through hole II on testing table respectively, a bifurcated of the second oil pipe is communicated with the oil-in of oil pump, and two other bifurcated is communicated with the oil-out on left hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel respectively through another oil pipe through hole I, another oil pipe through hole II on testing table respectively, 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 provided with spline and is connected with one end of Rocker arm assembly simulation mechanism, by Rocker arm assembly simulation mechanism, the rotating torque being written into is passed to arbitrary piston rod of the steering cylinder with two piston rods, one, two piston rods of steering cylinder are stretched, a contracting, thereby realizing simulation left and right front-wheel left wheel simulation steel plate and right simulated wheel steel plate rotates, load on the positive power size of returning of steering gear by regulating oil pump to pump into how much adjusting left wheels simulation steel plates of oil mass in left hydraulic jack cylinder barrel and right hydraulic jack cylinder barrel and right simulated wheel steel plate, left and right front-wheel when the actual driving of simulating vehicle loads on the Hui Zhengli of steering gear.
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 (5)
1. there is the proving installation of oil pipe placed cavity and electric steering wheel assembly, it is characterized in that: comprise the testing table (20) of strip and be positioned at below testing table and for supporting the bracing frame of testing table, on described testing table, there are the steering gear fabricated section of stationary deflector assembly, steering cylinder fabricated section, two oil pipe through hole I (201) and two oil pipe through hole II (202) of fixing Rocker arm assembly simulation mechanism, also comprise the electric steering wheel assembly, Rocker arm assembly simulation mechanism and the load assembly simulation mechanism that are arranged on testing table;
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, between described testing table (20) and bracing frame, be provided with back up pad (29), described back up pad (29) is parallel to testing table setting, be provided with right baffle-plate (290) in the left side of back up pad (29), the right side of back up pad (29) is provided with right baffle plate (291), described right baffle-plate (290), right baffle plate (291) is all located between back up pad (29) and testing table (20), the two ends up and down of right baffle-plate (290) are fixedly connected with testing table (20) with back up pad (29) respectively, the two ends up and down of right baffle plate (291) are fixedly connected with testing table (20) with back up pad (29) respectively, right baffle-plate (290), right baffle plate (291), testing table (20) and back up pad (29) have formed the oil pipe placed cavity of a both-side opening, 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 back up pad (29) below,
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 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 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;
Described Rocker arm assembly simulation mechanism 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 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 simulation mechanism 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 the first left piston bar (51), one end and left wheel simulation steel plate (1) that described the first 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 the first right piston rod (52), one end and right simulated wheel steel plate (2) that described the first right piston rod (52) stretches out right hydraulic jack cylinder barrel (54) are rotatably connected;
Also comprise oil pump (3), described oil pump (3) has oil pump oil-in and oil pump oil-out, 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 proving installation with oil pipe placed cavity and electric steering wheel 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 proving installation with oil pipe placed cavity and electric steering wheel assembly according to claim 1, it is characterized in that: 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 cylinder barrels.
4. the proving installation with oil pipe placed cavity and electric steering wheel 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.
5. the proving installation with oil pipe placed cavity and electric steering wheel assembly according to 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320850675.6U CN203688248U (en) | 2013-12-20 | 2013-12-20 | Testing apparatus possessing oil pipe placing chamber and electric steering wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320850675.6U CN203688248U (en) | 2013-12-20 | 2013-12-20 | Testing apparatus possessing oil pipe placing chamber and electric steering wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203688248U true CN203688248U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320850675.6U Expired - Fee Related CN203688248U (en) | 2013-12-20 | 2013-12-20 | Testing apparatus possessing oil pipe placing chamber and electric steering wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203688248U (en) |
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2013
- 2013-12-20 CN CN201320850675.6U patent/CN203688248U/en not_active Expired - Fee Related
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| 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: 20140702 Termination date: 20151220 |
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| EXPY | Termination of patent right or utility model |