CN203629840U - Testing device - Google Patents
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- CN203629840U CN203629840U CN201320695735.1U CN201320695735U CN203629840U CN 203629840 U CN203629840 U CN 203629840U CN 201320695735 U CN201320695735 U CN 201320695735U CN 203629840 U CN203629840 U CN 203629840U
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- steel plate
- brace summer
- testing table
- brace
- vertical
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Abstract
The utility model relates to a testing device comprising a testing bench and a supporting frame which is under the testing bench and is used for supporting the testing bench. The testing bench is provided with an electric steering wheel assembly, a steering gear mounting piece which fixes a steering gear shell, a steering gear oil cylinder mounting piece, two oil pipe through holes I and two oil pipe through holes II. A supporting plate is arranged between the testing bench and the supporting frame. The supporting frame is formed by four vertically arranged supporting beams. The top ends of the four supporting beams are fixedly connected to four corners at the lower part of the supporting plate respectively. The electric steering wheel assembly comprises a vertically arranged vertical beam, an inverted L-shaped bracket formed by a cross beam fixed at the top end of the vertical beam, and a motor. The free end of the cross beam is provided with a frame type fixing member with a first through hole. The first through hole is internally provided with a screw rod which is in clearance fit with the first through hole. The bottom of the screw rod is provided with a sleeve rod, and the top of the screw rod is connected with a motor output shaft. The testing device has the advantages of simple structure and strong versatility, for different types of hydraulic power steering gears, only the replacement of a steering gear installation piece is needed, and the operation is simple.
Description
Technical field
The utility model relates to auto parts and components proving installation, specifically refers to a kind of proving installation.
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 the proving installation that positive aptitude tests provide that returns for hydraulic power steering gear.
For achieving the above object, the utility model adopts following technical scheme: a kind of proving installation, comprise test-bed and electric steering wheel assembly, 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, steering cylinder fabricated section, two oil pipe through hole I and two oil pipe through hole II of fixing steering cylinder assembly, described electric steering wheel assembly is arranged on 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;
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, 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 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;
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 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.
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, described left buttress brace 27 bottoms have left buttress brace flange, and the bottom of right buttress brace 28 has right buttress brace flange.
With respect to prior art, the utlity model has following advantage: the utility model provides a kind of proving installation, this proving installation has highly versatile, feature simple in structure; In test process, driven by motor bolt rotary is realized the input of rotating torque, and input torque size is better to be controlled and determines, is conducive to improve the accuracy of steering gear performance test data.
Accompanying drawing explanation
Fig. 1 is the structural representation of proving installation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1, a kind of proving installation, comprise test-bed and electric steering wheel assembly, 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, there is the steering gear fabricated section of stationary deflector housing and the steering cylinder fabricated section of fixing steering cylinder assembly, electric steering wheel assembly is arranged on testing table 20, steering cylinder assembly comprises steering cylinder, steering cylinder is the hydraulic jack of double-piston, two piston rods of the hydraulic jack of this double-piston respectively with a simulated automotive left side, left wheel simulation steel plate and the right simulated wheel steel plate of off-front wheel are rotatably connected, on testing table 20, also have two oil pipe through hole I 201 and two oil pipe through hole II 202, 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 by four brace summer I 21 that vertically arrange, brace summer II 22, brace summer III 23 and brace summer IV 24 form, for in the time that positive aptitude tests are returned in flowed friction steering gear, left hydraulic jack and right hydraulic jack also need to be installed on testing table, be convenient to place two oil inlet pipes of left hydraulic jack and right hydraulic jack and flowline, the oil inlet pipe of these two hydraulic cylinders can be connected with oil inlet pipe and the flowline of oil pump better with flowline, can 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 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 left buttress brace flange 270 and right buttress brace flange 280 contact area for increasing bracing frame and bottom surface or other supporting surfaces, improves the stability of bracing frame.
Steering gear fabricated section is 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 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.
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, makes the stability of 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 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.
Use this proving installation 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, by steering cylinder fabricated section, the steering cylinder in steering cylinder assembly 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, by Rocker arm assembly, the rotating torque being written into is passed to arbitrary piston rod of double-piston hydraulic oil cylinder, one, two piston rods of piston hydraulic pressure oil 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 (6)
1. a proving installation, it is characterized in that: comprise test-bed and electric steering wheel assembly, 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, steering cylinder fabricated section, two oil pipe through hole I (201) and two oil pipe through hole II (202) of fixing steering cylinder assembly, described electric steering wheel assembly is arranged on 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;
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, 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 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;
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 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.
2. proving installation as claimed in claim 1, 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).
3. proving installation 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.
4. proving installation 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).
5. proving installation 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 right buttress brace (28) and right buttress brace and be connected to the bottom of brace summer II and brace summer IV.
6. proving installation as claimed in claim 5, is characterized in that: described left buttress brace 27 bottoms have left buttress brace flange (270), and the bottom of right buttress brace 28 has right buttress brace flange (280).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320695735.1U CN203629840U (en) | 2013-11-06 | 2013-11-06 | Testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320695735.1U CN203629840U (en) | 2013-11-06 | 2013-11-06 | Testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629840U true CN203629840U (en) | 2014-06-04 |
Family
ID=50816306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320695735.1U Expired - Fee Related CN203629840U (en) | 2013-11-06 | 2013-11-06 | Testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203629840U (en) |
-
2013
- 2013-11-06 CN CN201320695735.1U patent/CN203629840U/en not_active Expired - Fee Related
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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: 20141106 |
|
| EXPY | Termination of patent right or utility model |