CN203629858U - Testing device with automobile rocking arm simulating assembly structure - Google Patents
Testing device with automobile rocking arm simulating assembly structure Download PDFInfo
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- CN203629858U CN203629858U CN201320722641.9U CN201320722641U CN203629858U CN 203629858 U CN203629858 U CN 203629858U CN 201320722641 U CN201320722641 U CN 201320722641U CN 203629858 U CN203629858 U CN 203629858U
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- steel plate
- rocking arm
- assembly structure
- brace summer
- steering gear
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Abstract
The utility model provides a testing device with an automobile rocking arm simulating assembly structure. The testing device comprises a testing stand and a bracing frame, wherein the bracing frame is positioned under the testing stand and used for supporting the testing stand. A steering gear installing member for fixing a steering gear shell and the automobile rocking arm simulating assembly structure are arranged on the testing stand. The bracing frame is composed of four vertical support beams, and the top ends of the four support beams are respectively fixedly connected with the four corners of the testing stand. The automobile rocking arm simulating assembly structure comprises a rocking arm, a ball pin and a steering oil cylinder with two piston rods, wherein one end of the rocking arm is connected with the steering gear via a spline, the other end of the rocking arm is connected with either piston rod of the steering oil cylinder via the ball pin, and the two piston rods of the steering oil cylinder are respectively connected with a left wheel simulating steel plate and a right wheel simulating steel plate. The testing device can be specially used for testing the returnability of a hydraulic power-assisted steering gear, is characterized by strong versatility and simple structure and operation, and can be applied to different types of hydraulic power-assisted steering gears by replacing the steering gear installing member.
Description
Technical field
The utility model relates to auto parts and components proving installation, specifically refers to have the test unit of simulated automotive Rocker arm assembly structure.
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, 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.
Time positive ability of hydraulic power steering gear is the very important performance of hydraulic power steering gear, its direct relation is installed the security performance of 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 of testing for time positive ability of hydraulic power steering gear specially.
For achieving the above object, the utility model adopts following technical scheme: the test unit with simulated automotive Rocker arm assembly structure, comprise the testing table of strip and be positioned at testing table below and for supporting the bracing frame of testing table, on described testing table, there is steering gear fabricated section and the simulated automotive Rocker arm assembly structure of stationary deflector housing; Support frame as described above is made up of four brace summer I, brace summer II, brace summer III and brace summer IV that vertically arrange, and the top of described brace summer I, brace summer II, brace summer III and brace summer IV is fixedly connected on respectively four jiaos of testing table;
Described simulated automotive Rocker arm assembly structure 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.
As optimization, also comprise left connecting link and right connecting link, one end of described left connecting link is rotatably connected by the left rotary shaft and the left wheel simulation steel plate that are vertically arranged on left wheel simulation steel plate, the other end of left connecting link is fixedly connected with left piston bar external part, one end of described right connecting link is rotatably connected by the right spindle and the right simulated wheel steel plate that are vertically arranged on right simulated wheel steel plate, and the other end of right connecting link is fixedly connected with right piston rod external part.
As optimization, steering gear fabricated section is horizontal fixation steel plate and the vertical L shaped structure that steel plate formation is installed, laterally fixation steel plate horizontally set and being installed on testing table, vertically installs steel plate and vertically arranges and on it, have multiple for the mounting hole of steering gear housing is installed.Described horizontal fixation steel plate and the stiffening plate that is also provided with right-angle triangle between steel plate is vertically installed, two right-angle sides of described stiffening plate are fixedly connected on respectively horizontal fixation steel plate and vertical installation on the corresponding end of steel plate.
With respect to prior art, the utlity model has following advantage: the utility model provides the test unit with simulated automotive Rocker arm assembly structure, 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.
Accompanying drawing explanation
Fig. 1 is the test unit structural representation with simulated automotive Rocker arm assembly structure.
Fig. 2 is the structural representation of simulated automotive Rocker arm assembly structure.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1 and 2, there is the test unit of simulated automotive Rocker arm assembly structure, comprise the testing table 20 of strip and be positioned at below testing table and for supporting the bracing frame of 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, 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, in order to make this test unit more stable, 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, on described testing table 20, there is the steering gear fabricated section of stationary deflector housing.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 test-beds of increase and bottom surface or other supporting surfaces, improves the stability of bracing frame.
Simulated automotive Rocker arm assembly structure comprises rocking arm 70, steering cylinder and ball pin; 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.
As optimization, 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.Arranging of left and right connecting link is mainly the Reasonable Arrangement needs for testing table.
Steering gear fabricated section can and vertically be installed the L shaped structure that steel plate 33 forms for horizontal fixation steel plate 32, the integral structure that laterally fixation steel plate 32 and vertical installation steel plate 33 obtain for one-step casting, laterally fixation steel plate 32 horizontally sets and being installed on testing table, laterally on fixation steel plate, there are multiple threaded holes, be generally four, be positioned at four jiaos of horizontal fixation steel plate, bolt is fixed on horizontal fixation steel plate on testing table through threaded hole, the vertical steel plate 33 of installing vertically arranges and on it, has multiple (being generally three) for the mounting hole 34 of steering gear housing is installed.This mounting hole is threaded hole, tests for the steering gear to a series of identical models, vertically installs on steel plate and 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, laterally the fixation steel plate 32 and stiffening plate 35 that is also provided with right-angle triangle between steel plate 33 is vertically installed, two right-angle sides of described stiffening plate 35 are fixedly connected on respectively horizontal fixation steel plate 32 and vertical install on the corresponding end of steel plate 33 (, in the time that a right-angle side of stiffening plate is fixedly connected on the horizontal left part of horizontal fixation steel plate, another right-angle side of stiffening plate is also fixedly connected on the horizontal left part of vertical installation steel plate).
While using this test unit with simulated automotive Rocker arm assembly structure to carry out steering gear to return positive power aptitude tests, by steering gear fabricated section, steering gear is arranged on testing table, again the steering cylinder in simulated automotive Rocker arm assembly is fixed on testing table, also need in addition to simulate the load device of left and right front-wheel loading Hui Zhengli, conventionally load device can adopt two hydraulic jacks in left and right, left, right two hydraulic jacks are arranged on testing table, the piston rod of left hydraulic jack is rotatably connected on left wheel simulation steel plate, right hydraulic jack piston rod be rotatably connected on right simulated wheel steel plate, an oil pump is set again left, pump oil in right two cylinder body of hydraulic oil cylinders, enter a left side by adjustment, what in right two cylinder body of hydraulic oil cylinders, how many adjustment of oil mass loaded returns positive power size, rocking arm has one end of spline and the splined end of steering gear is connected, particularly, one end that rocking arm has spline is connected with one end of steering gear output shaft, steering gear output shaft drives rocking arm to rotate, rocking arm by drive link and ball pin drive left piston bar and right piston rod flexible (reverse movement of left piston bar and right piston rod, when left piston bar by steering cylinder cylinder barrel when overhanging, right piston rod inside contracts to steering cylinder cylinder barrel), the flexible realization of left piston bar and right piston rod drives the rotation of left wheel simulation steel plate and right simulated wheel steel plate.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. there is the test unit of simulated automotive Rocker arm assembly structure, it is characterized in that: comprise the testing table (20) of strip and be 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 simulated automotive Rocker arm assembly structure of stationary deflector housing; 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), 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 simulated automotive Rocker arm assembly structure 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.
2. the test unit with simulated automotive Rocker arm assembly structure according to claim 1, it is characterized in that: 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), the other end of right connecting link (74) is fixedly connected with right piston rod external part.
3. the test unit with simulated automotive Rocker arm assembly structure as claimed in claim 1, it is characterized in that: described steering gear fabricated section is horizontal fixation steel plate (32) and the vertical L shaped structure that steel plate (33) formation is installed, laterally fixation steel plate (32) horizontally set and being installed on testing table, vertically installs steel plate (33) and vertically arranges and on it, have multiple for the mounting hole (34) of steering gear housing is installed.
4. the test unit with simulated automotive Rocker arm assembly structure as claimed in claim 3, it is characterized in that: described horizontal fixation steel plate (32) and the vertical stiffening plate (35) that is also provided with right-angle triangle between steel plate (33) of installing, two right-angle sides of described stiffening plate (35) are fixedly connected on respectively horizontal fixation steel plate (32) and vertical installation on the corresponding end of steel plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320722641.9U CN203629858U (en) | 2013-11-15 | 2013-11-15 | Testing device with automobile rocking arm simulating assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320722641.9U CN203629858U (en) | 2013-11-15 | 2013-11-15 | Testing device with automobile rocking arm simulating assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629858U true CN203629858U (en) | 2014-06-04 |
Family
ID=50816324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320722641.9U Expired - Fee Related CN203629858U (en) | 2013-11-15 | 2013-11-15 | Testing device with automobile rocking arm simulating assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203629858U (en) |
-
2013
- 2013-11-15 CN CN201320722641.9U patent/CN203629858U/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: 20141115 |
|
| EXPY | Termination of patent right or utility model |