CN116465654A - Durability test device for automobile hydraulic power-assisted steering device - Google Patents
Durability test device for automobile hydraulic power-assisted steering device Download PDFInfo
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- CN116465654A CN116465654A CN202310214861.9A CN202310214861A CN116465654A CN 116465654 A CN116465654 A CN 116465654A CN 202310214861 A CN202310214861 A CN 202310214861A CN 116465654 A CN116465654 A CN 116465654A
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- 238000012360 testing method Methods 0.000 title claims abstract description 107
- 238000009434 installation Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 238000000429 assembly Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
- G01L5/221—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers to steering wheels, e.g. for power assisted steering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a durability test device of an automobile hydraulic power-assisted steering device, which comprises a test bed and a steering device assembly, wherein a first placing groove is formed in the surface of the test bed, a mounting plate is fixed in the first placing groove, the bottom of the steering device is fixed between the test bed and the mounting plate, the steering device assembly comprises steering legs and a mounting shaft, a data display screen is arranged on the surface of the test bed, the data display screen is electrically connected with a stress test plate, the actual quality condition of the power-assisted steering device can be intuitively reflected through the test of the power-assisted device, the problem that the power-assisted device is assembled on an automobile is effectively avoided, the driving safety is improved, and the problem that the conventional automobile production only measures some physical parameters of all parts in the power-assisted steering device independently and does not uniformly test the whole power-assisted steering device assembly combined together is solved.
Description
Technical Field
The invention relates to the field of steering gear tests, in particular to a durability test device for an automobile hydraulic power-assisted steering gear.
Background
The existing automobile is generally provided with a power-assisted steering device so as to facilitate driving of a driver, and the power-assisted steering device is divided into an electric power-assisted steering device and a hydraulic power-assisted steering device. The structure of the hydraulic power-assisted steering device mainly comprises a steering column and a pull rod connected with the steering column, wherein the steering device is assembled on a transmission shaft below an automobile steering wheel, and when the steering wheel is rotated, the steering column in the steering device rotates to drive the pull rod to be linked. Because the hydraulic power steering gear is provided with a plurality of mutually linked action parts, certain requirements are imposed on the durability of the parts in the hydraulic power steering gear.
The existing automobile manufacturers only measure some physical parameters of each part in the power-assisted steering device independently, and do not uniformly test the whole power-assisted steering device assembly which is combined together, so that the overall quality of the power-assisted steering device is not easy to master, batch quality problems can be generated, hidden danger is brought to safe driving of automobiles, and influence is brought to reputation of the automobile manufacturers.
Therefore, it is necessary to provide a new durability test apparatus for an automotive hydraulic power steering gear to solve the above-mentioned technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a durability test device for an automobile hydraulic power-assisted steering device, which solves the problem that the existing automobile manufacturers only measure some physical parameters of all parts in the power-assisted steering device independently and do not uniformly test the whole power-assisted steering device assembly which is combined together.
The durability test device for the automobile hydraulic power-assisted steering gear comprises a test bed and a steering gear assembly, wherein a first placing groove is formed in the surface of the test bed, a mounting plate is fixed in the first placing groove, and the bottom of the steering gear is fixed between the test bed and the mounting plate;
the steering device assembly comprises steering legs and a mounting shaft, wherein a shaft fixing assembly and an adjusting assembly are mounted at the bottom of the mounting shaft, stress test plates are arranged at two sides of the steering legs at intervals, and the bottom of the stress test plate is fixed on the test bed;
the surface of the test bed is provided with a data display screen, and the data display screen is electrically connected with the stress test board.
In a preferred embodiment, the mounting plate is provided with a plurality of sets of threaded holes.
In a preferred embodiment, the adjusting assembly comprises two lifting threaded rods and a double-head threaded rod, a second placing groove is formed in one side of the test bench, the second placing groove is located right below the first placing groove, the lifting threaded rod is located right below the mounting shaft, the bottom of the lifting threaded rod penetrates through the groove wall of the first placing groove and extends into the second placing groove, and a first bevel gear is mounted at the bottom of the lifting threaded rod;
an adjusting shaft is arranged in the second placing groove, one end of the adjusting shaft is rotatably connected with the inner wall of the second placing groove through a bearing, the other end of the adjusting shaft penetrates through the test bed and is connected with a rocker, a second bevel gear is arranged on the adjusting shaft at intervals, and the second bevel gear is meshed with the first bevel gear and the second bevel gear;
two lifting threaded rods are arranged above the adjusting seats, the tops of the lifting threaded rods are inserted through the adjusting seats, two mounting blocks are fixed above the adjusting seats at intervals, an adjusting threaded rod is arranged between the two mounting blocks, one end of the adjusting threaded rod is rotatably connected with one of the surfaces of the mounting blocks through a bearing, the other end of the adjusting threaded rod penetrates through the other one of the mounting blocks, and the shaft fixing assembly is mounted on the adjusting threaded rod.
In a preferred embodiment, the lifting threaded rod is rotatably connected with the groove wall of the first placing groove through a bearing, and the lifting threaded rod is connected with the adjusting seat through threads.
In a preferred embodiment, the shaft fixing assembly comprises a moving block, the moving block is arranged on the adjusting threaded rod in a threaded mode, one side of the moving block is connected with a placing plate, the surface of the test bed is provided with a sliding groove, and the bottom of the placing plate is in sliding connection with the sliding groove;
a support ring is arranged above the moving block, the moving block is connected with the support ring through welding rods, a rotating plate is arranged inside the support ring, the rotating plate is rotationally connected with the inner wall of the support ring through a bearing, a rotating shaft is fixed at the bottom of the rotating plate, the bottom of the rotating shaft is rotationally connected with the moving block through a bearing, and a vortex-shaped track is fixed at the top of the rotating plate;
the support ring is provided with a limiting groove in the circumferential direction, a centering fastening rod is arranged in the limiting groove, two sides of the centering fastening rod are in sliding connection with the wall of the limiting groove, a plurality of groups of driving blocks are fixed at intervals at the bottom of the centering fastening rod, and the bottoms of the driving blocks are positioned in the vortex-shaped track.
In a preferred embodiment, an arc-shaped fixing plate is fixed at one end of the centering fastening rod, which is centered.
In a preferred embodiment, a driving cylinder is installed above the placement plate, a rack is installed at the output end of the driving cylinder, a gear is installed on the rotating shaft, and the gear and the rack are meshed with each other.
In a preferred embodiment, the steering assembly further comprises an automobile steering shaft, a connecting sleeve is sleeved outside the automobile steering shaft, a test steering wheel is connected to the connecting sleeve through a connecting rod, a positioning threaded column is circumferentially arranged on one side of the test steering wheel, and a threaded end of the positioning threaded column penetrates through the test steering wheel and extends into the connecting sleeve.
In a preferred embodiment, the positioning threaded column is connected with the test steering wheel and the connecting sleeve through threads, a plurality of friction lines are formed on the surface of one end of the positioning threaded column, which is positioned inside the connecting sleeve, and an installation handle is fixed at the other end of the positioning threaded column.
In a preferred embodiment, a comparison oil pump is installed above the test bed, and an oil inlet and an oil outlet of the comparison oil pump are connected with an oil supply port and an oil outlet in the steering gear assembly and used for comparing parameters of the oil pump in the steering gear assembly.
The beneficial effects of the invention are as follows:
1. the durability test device for the hydraulic power-assisted steering device of the automobile can effectively simulate the actual working condition of the power-assisted steering device, can intuitively reflect the actual quality condition of the power-assisted steering device through the test of the power-assisted steering device, effectively avoids the problem that the power-assisted steering device is assembled on the automobile, improves the driving safety, is not easy to cause the batch problem of the power-assisted steering device, and has simple structure and convenient use.
2. When the device is used, the steering gear assembly base can be fixed on the mounting plate and the test bed through bolts, a plurality of groups of threaded holes can be suitable for main body parts of steering gear assemblies with different sizes, the application range is increased, when the steering gear assembly main body part is mounted, the adjusting shaft can be driven to rotate through the rotating rocker, when the adjusting seat and two mounting blocks on the adjusting seat are adjusted to corresponding positions, the automobile steering shaft on the steering gear assembly enters the supporting ring, the driving cylinder is opened at the moment, and finally the centering fastening rod is moved, so that the device is suitable for steering gear assemblies with different models;
3. when the automobile steering shaft on the steering gear assembly is subjected to torque test, a worker can sleeve the connecting sleeve on the automobile steering shaft, one end, provided with friction lines, of the positioning threaded column is close to the automobile steering shaft by rotating the positioning threaded column, the test steering wheel is finally installed on the automobile steering shaft, and at the moment, the worker can also hold the torque of the automobile steering shaft by holding the torque test gun while rotating the test steering wheel by using the tool, so that the accuracy of test data is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a durability test device for an automobile hydraulic power steering gear;
FIG. 2 is an enlarged schematic view of the structure A shown in FIG. 1;
FIG. 3 is a schematic view of a support ring according to the present invention;
FIG. 4 is a front view of the overall structure of the durability test device for the automobile hydraulic power steering gear;
FIG. 5 is a top view showing the overall structure of the durability test device for the automobile hydraulic power steering gear;
fig. 6 is an enlarged schematic view of the structure B shown in fig. 5;
FIG. 7 is a schematic diagram of a test steering wheel according to the present invention;
fig. 8 is a schematic structural view of a positioning threaded column provided by the invention.
Reference numerals in the drawings: 1. a test bed; 2. a diverter assembly; 3. a first placement groove; 4. a mounting plate; 5. a threaded hole; 6. a steering leg; 7. a mounting shaft; 8. a stress test plate; 9. a data display screen; 10. lifting the threaded rod; 11. comparing the oil pumps; 12. a second placement groove; 13. a first bevel gear; 14. an adjusting shaft; 15. a rocker; 16. a second bevel gear; 17. an adjusting seat; 18. a mounting block; 19. adjusting a threaded rod; 20. a moving block; 21. placing a plate; 22. a chute; 23. a support ring; 24. welding rod; 25. a rotating plate; 26. a vortex-like orbit; 27. a limit groove; 28. centering fastening rod; 29. a driving block; 30. an arc-shaped fixing plate; 31. a driving cylinder; 32. a rotating shaft; 33. a rack; 34. a gear; 35. an automobile steering shaft; 36. a connecting sleeve; 37. testing a steering wheel; 38. positioning a threaded column; 39. a handle is installed.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, fig. 1 is a schematic diagram of an overall structure of a durability test device for an automotive hydraulic power steering gear according to the present invention; FIG. 2 is an enlarged schematic view of the structure A shown in FIG. 1; FIG. 3 is a schematic view of a support ring according to the present invention; FIG. 4 is a front view of the overall structure of the durability test device for the automobile hydraulic power steering gear; FIG. 5 is a top view showing the overall structure of the durability test device for the automobile hydraulic power steering gear; fig. 6 is an enlarged schematic view of the structure B shown in fig. 5; FIG. 7 is a schematic diagram of a test steering wheel according to the present invention; fig. 8 is a schematic structural view of a positioning threaded column provided by the invention.
The specific embodiment of the invention is shown in figures 1-8, the test bed comprises a test bed 1 and a steering gear assembly 2, a first placing groove 3 is formed in the surface of the test bed 1, a mounting plate 4 is fixed in the first placing groove 3, the bottom of the steering gear 1 is fixed between the test bed 1 and the mounting plate 4, the steering gear assembly 2 comprises steering legs 6 and a mounting shaft 7, a shaft fixing component and an adjusting component are mounted at the bottom of the mounting shaft 7, stress test plates 8 are arranged at intervals on two sides of the steering legs 6, the bottom of the stress test plates 8 are fixed on the test bed 1, a data display screen 9 is mounted on the surface of the test bed 1, the data display screen 9 is electrically connected with the stress test plates 8, a plurality of groups of threaded holes 5 are formed in the mounting plate 4, the plurality of groups of threaded holes 5 can be suitable for main body parts of steering gear assemblies 2 with different sizes, and the base of the steering gear assembly 2 is fixed on the mounting plate 4 and the test bed 1 through bolts in actual use.
And a comparison oil pump 40 is arranged above the test bed 1, and an oil inlet and an oil outlet of the comparison oil pump 40 are connected with an oil supply port and an oil outlet in the steering gear assembly 2 and are used for comparing parameters of the oil pump in the steering gear assembly 2.
The steering gear assembly 2 can be internally provided with a 24V power-assisted motor connected with a steering column in actual use, an internal oil pump for supplying oil to the steering gear assembly 2 and a resistance component connected with a pull rod in the steering gear assembly 2, oil pressure generated by the internal oil pump is supplied to the steering gear assembly 2 in use, so that the steering gear assembly 2 generates resistance action, the resistance component generates force opposite to the motion direction of the pull rod, the generated resistance is recorded to be compared with data on the stress test board 8, and the reliability of an experiment is improved.
When the resistance generated in the steering process is simulated, the power-assisted motor is connected with the steering column through a flexible shaft, the power of the oil pump is provided by the 220V oil pump motor, the oil pump is connected with the oil pump motor through the flexible shaft, the number of the steering components is two, the cylinders are connected in series on a gas path, the cylinders are provided with cylinder ejector rods, the cylinder ejector rods are connected with pull rods, the two pull rods are symmetrically arranged on two sides of the steering assembly 2, a protruding baffle plate is respectively arranged at the same position on the two pull rods, a travel switch which can be contacted with the baffle plate is arranged in the movement range of each baffle plate, and the position of the travel switch is ensured to be contacted with the travel switch when the pull rods move to the limit position, and the baffle plate is not contacted with the travel switch when the pull rods move to other positions.
The adjusting component comprises two lifting threaded rods 10 and a double-head threaded rod 11, a second placing groove 12 is formed in one side of the test bed 1, the second placing groove 12 is located under the first placing groove 12, the lifting threaded rod 10 is located under the mounting shaft 7, the bottom of the lifting threaded rod 10 penetrates through the wall of the first placing groove 3 and extends into the second placing groove 12, a first bevel gear 13 is mounted at the bottom of the lifting threaded rod 10, an adjusting shaft 14 is arranged in the second placing groove 12, one end of the adjusting shaft 14 is connected with the inner wall of the second placing groove 12 through bearing rotation, the other end of the adjusting shaft 14 penetrates through the test bed 1 and is connected with a rocker 15, a second bevel gear 16 is mounted on the adjusting shaft 14 at intervals, the second bevel gear 16 is meshed with the first bevel gear 13 and the second bevel gear 16, an adjusting seat 17 is arranged above the two lifting threaded rods 10, the lifting threaded rod 10 is connected with the wall of the first placing groove 3 through bearing rotation, and the lifting threaded rod 10 is connected with the adjusting seat 17 through threads. The top of the lifting threaded rod 10 is inserted into the adjusting seat 17, two mounting blocks 18 are fixed above the adjusting seat 17 at intervals, an adjusting threaded rod 19 is arranged between the two mounting blocks 18, one end of the adjusting threaded rod 19 is rotatably connected with the surface of one of the mounting blocks 18 through a bearing, the other end of the adjusting threaded rod 19 penetrates through the other mounting block 18, and the shaft fixing assembly is mounted on the adjusting threaded rod 19.
The shaft fixing assembly comprises a moving block 20, the moving block 20 is arranged on an adjusting threaded rod 19 in a threaded manner, one side of the moving block 20 is connected with a placing plate 21, a sliding groove 22 is formed in the surface of the test stand 1, and the bottom of the placing plate 21 is in sliding connection with the sliding groove 22;
a support ring 23 is arranged above the moving block 20, the moving block 20 is connected with the support ring 23 through welding rods 24, a rotating plate 25 is arranged inside the support ring 23, the rotating plate 25 is rotationally connected with the inner wall of the support ring 23 through a bearing, a rotating shaft 32 is fixed at the bottom of the rotating plate 25, the bottom of the rotating shaft 32 is rotationally connected with the moving block 20 through a bearing, and a vortex-shaped track 26 is fixed at the top of the rotating plate 25;
the support ring 23 is provided with the limit groove 27 in the circumferential direction, the limit groove 27 is internally provided with the centering fastening rod 28, both sides of the centering fastening rod 28 are in sliding connection with the wall of the limit groove 27, a plurality of groups of driving blocks 29 are fixed at intervals at the bottom of the centering fastening rod 28, the bottoms of the driving blocks 29 are positioned in the vortex-shaped track 26, an arc-shaped fixed plate 30 is fixed at one centering end of the centering fastening rod 28, a driving cylinder 31 is arranged above the placing plate 21, a rack 33 is arranged at the output end of the driving cylinder 31, a gear 34 is arranged on a rotating shaft 32, the gear 34 and the rack 33 are meshed with each other, when the adjusting seat 17 and two mounting blocks 18 on the adjusting seat are adjusted to corresponding positions, at the moment, an automobile steering shaft 35 on the steering gear assembly 2 enters the support ring 23, at the moment, the driving cylinder 31 is opened again, the output end of the driving cylinder 31 drives the rack 33 to move, at the moment, the gear 34 rotates to drive the rotating shaft 32, and when the rotating plate 25 rotates, as the track line distance of the vortex-shaped track 26 from the circle center is continuously changed, the distance of the vortex-shaped track 26 can drive the driving block 29 to move upwards, the steering shaft 29 moves towards the corresponding position of the corresponding fixing plate 28, and the steering gear assembly can be arranged at the same position as the corresponding position, and the steering gear assembly can not be matched with the curve-shaped track 2, and the steering gear assembly can move towards the corresponding position of the steering wheel assembly, and the steering wheel assembly 2.
The steering gear assembly 2 further comprises an automobile steering shaft 35, a connecting sleeve 36 is sleeved outside the automobile steering shaft 35, a test steering wheel 37 is connected to the outside of the connecting sleeve 36 through a connecting rod, a positioning threaded column 38 is circumferentially arranged on one side of the test steering wheel 37, a threaded end of the positioning threaded column 38 penetrates through the test steering wheel 37 and extends into the connecting sleeve 36, the positioning threaded column 38 is connected with the test steering wheel 37 and the connecting sleeve 36 through threads, a plurality of friction lines are formed in the surface of one end of the positioning threaded column 38, located in the connecting sleeve 36, of the connecting sleeve, and an installation handle 39 is fixed to the other end of the positioning threaded column 38.
Working principle: when the device is used, the base of the steering gear assembly 2 can be fixed on the mounting plate 4 and the test bench 1 through bolts, a plurality of groups of threaded holes 5 can be suitable for main body parts of steering gear assemblies 2 with different sizes, when the main body parts of the steering gear assembly 2 are installed, the adjusting shaft 14 can be driven to rotate through the rotating rocker 15, the two second bevel gears 16 on the adjusting shaft 14 can be driven to rotate when the adjusting shaft 14 rotates, and as the two second bevel gears 16 are respectively meshed with the two second bevel gears 13, the two lifting threaded rods 10 synchronously rotate, so that the adjusting seat 17 moves up and down, and the distance between the two mounting blocks 18 can be adjusted through rotating the double-head threaded rod 11;
when the adjusting seat 17 and the two mounting blocks 18 on the adjusting seat are adjusted to corresponding positions, at the moment, the automobile steering shaft 35 on the steering gear assembly 2 enters the supporting ring 23, at the moment, the driving cylinder 31 is opened again, the output end of the driving cylinder 31 drives the rack 33 to move, at the moment, the gear 34 rotates to drive the rotating shaft 32 to rotate, and when the rotating plate 25 rotates, the vortex-shaped track 26 drives the driving block 29 to move upwards because the distance between the track line of the vortex-shaped track 26 and the circle center is continuously changed, at the moment, a plurality of groups of centering fastening rods 28 are close to the circle center of the supporting ring 23, so that the arc-shaped fixing plate 30 fixes the mounting shaft 7, at the moment, the durability test can be carried out on the steering gear assembly 2, and the device can adapt to steering gear assemblies 2 of different types through the centering fastening rods 28 with movable positions;
when the torque test is carried out on the automobile steering shaft 35 on the steering gear assembly 2, a worker can sleeve the connecting sleeve 36 on the automobile steering shaft 35, then rotates the positioning threaded column 38 to enable one end of the positioning threaded column 38 with friction lines to approach the automobile steering shaft 35, finally installs the test steering wheel 37 on the automobile steering shaft 35, and can hold a torque test gun to test the torque of the automobile steering shaft 35 while using a tool to rotate the test steering wheel 37, and can test the steering force of the steering leg 6 on the stress test board 8, so that the performance change of the automobile power steering gear in long-time use can be obtained through the comparison of test data.
The circuits and control involved in the present invention are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The durability test device for the automobile hydraulic power-assisted steering gear comprises a test bench (1) and a steering gear assembly (2) and is characterized in that a first placing groove (3) is formed in the surface of the test bench (1), a mounting plate (4) is fixed in the first placing groove (3), and the bottom of the steering gear (1) is fixed between the test bench (1) and the mounting plate (4);
the steering device assembly (2) comprises steering legs (6) and a mounting shaft (7), wherein a shaft fixing assembly and an adjusting assembly are mounted at the bottom of the mounting shaft (7), stress test plates (8) are arranged at two sides of the steering legs (6) at intervals, and the bottom of the stress test plates (8) is fixed on the test bed (1);
the surface of the test bed (1) is provided with a data display screen (9), and the data display screen (9) is electrically connected with the stress test board (8).
2. The durability test device for the automobile hydraulic power steering gear according to claim 1, wherein a plurality of groups of threaded holes (5) are formed in the mounting plate (4).
3. The durability test device for the automobile hydraulic power steering gear according to claim 2, wherein the adjusting assembly comprises two lifting threaded rods (10) and a double-head threaded rod (11), a second placing groove (12) is formed in one side of the test bench (1), the second placing groove (12) is located right below the first placing groove (12), the lifting threaded rod (10) is located right below the mounting shaft (7), the bottom of the lifting threaded rod (10) penetrates through the wall of the first placing groove (3) and extends into the second placing groove (12), and a first bevel gear (13) is mounted at the bottom of the lifting threaded rod (10);
an adjusting shaft (14) is arranged in the second placing groove (12), one end of the adjusting shaft (14) is rotatably connected with the inner wall of the second placing groove (12) through a bearing, the other end of the adjusting shaft (14) penetrates through the test bed (1) and is connected with a rocker (15), a second bevel gear (16) is arranged on the adjusting shaft (14) at intervals, and the second bevel gear (16) is meshed with the first bevel gear (13) and the second bevel gear (16);
two lifting threaded rods (10) top is provided with regulation seat (17), lifting threaded rods (10) top is run through and is inserted regulation seat (17), regulation seat (17) top interval is fixed with two installation piece (18), two be provided with between installation piece (18) and adjust threaded rod (19), adjust threaded rod (19) one end and one of them installation piece (18) surface is passed through the bearing and is rotated and be connected, another one is run through to the other one of adjusting threaded rod (19) installation piece (18), axle fixed subassembly installs on adjusting threaded rod (19).
4. The durability test device for the automobile hydraulic power steering gear according to claim 3, wherein the lifting threaded rod (10) is rotatably connected with the wall of the first placing groove (3) through a bearing, and the lifting threaded rod (10) is connected with the adjusting seat (17) through threads.
5. The durability test device for the automobile hydraulic power steering gear according to claim 3, wherein the shaft fixing assembly comprises a moving block (20), the moving block (20) is arranged on the adjusting threaded rod (19) in a threaded mode, one side of the moving block (20) is connected with a placing plate (21), a sliding groove (22) is formed in the surface of the test stand (1), and the bottom of the placing plate (21) is in sliding connection with the sliding groove (22);
a support ring (23) is arranged above the moving block (20), the moving block (20) is connected with the support ring (23) through welding rods (24), a rotating plate (25) is arranged inside the support ring (23), the rotating plate (25) is rotatably connected with the inner wall of the support ring (23) through a bearing, a rotating shaft (32) is fixed at the bottom of the rotating plate (25), the bottom of the rotating shaft (32) is rotatably connected with the moving block (20) through a bearing, and a vortex-shaped track (26) is fixed at the top of the rotating plate (25);
the support ring (23) is provided with a limit groove (27) in the circumferential direction, a centering fastening rod (28) is arranged inside the limit groove (27), two sides of the centering fastening rod (28) are slidably connected with the wall of the limit groove (27), a plurality of groups of driving blocks (29) are fixed at intervals at the bottom of the centering fastening rod (28), and the bottoms of the driving blocks (29) are positioned inside the vortex-shaped track (26).
6. The durability test device for an automotive hydraulic power steering gear according to claim 5, characterized in that an arc-shaped fixing plate (30) is fixed to the centering end of the centering fastening rod (28).
7. The durability test device for the automobile hydraulic power steering gear according to claim 4, wherein a driving cylinder (31) is installed above the placement plate (21), a rack (33) is installed at the output end of the driving cylinder (31), a gear (34) is installed on the rotating shaft (32), and the gear (34) and the rack (33) are meshed with each other.
8. The automobile hydraulic power steering device durability test device according to claim 1, wherein the steering device assembly (2) further comprises an automobile steering shaft (35), a connecting sleeve (36) is sleeved outside the automobile steering shaft (35), a test steering wheel (37) is connected to the outside of the connecting sleeve (36) through a connecting rod, a positioning threaded column (38) is circumferentially arranged on one side of the test steering wheel (37), and a threaded end of the positioning threaded column (38) penetrates through the test steering wheel (37) and extends into the connecting sleeve (36).
9. The durability test device for the automobile hydraulic power steering gear according to claim 8, wherein the positioning threaded column (38) is connected with the test steering wheel (37) and the connecting sleeve (36) through threads, a plurality of friction lines are formed on the surface of one end of the positioning threaded column (38) positioned inside the connecting sleeve (36), and a mounting handle (39) is fixed at the other end of the positioning threaded column (38).
10. The durability test device for the automobile hydraulic power steering gear according to claim 1, wherein a comparison oil pump (40) is installed above the test stand (1), and an oil inlet and an oil outlet of the comparison oil pump (40) are connected with an oil supply port and an oil outlet in the steering gear assembly (2) and are used for comparing parameters of the oil pump in the steering gear assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310214861.9A CN116465654A (en) | 2023-03-08 | 2023-03-08 | Durability test device for automobile hydraulic power-assisted steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310214861.9A CN116465654A (en) | 2023-03-08 | 2023-03-08 | Durability test device for automobile hydraulic power-assisted steering device |
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| Publication Number | Publication Date |
|---|---|
| CN116465654A true CN116465654A (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310214861.9A Pending CN116465654A (en) | 2023-03-08 | 2023-03-08 | Durability test device for automobile hydraulic power-assisted steering device |
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| CN (1) | CN116465654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117782645A (en) * | 2024-02-28 | 2024-03-29 | 苏州澳佰特智能科技有限公司 | Performance test equipment of automobile electric power steering gear |
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2023
- 2023-03-08 CN CN202310214861.9A patent/CN116465654A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117782645A (en) * | 2024-02-28 | 2024-03-29 | 苏州澳佰特智能科技有限公司 | Performance test equipment of automobile electric power steering gear |
| CN117782645B (en) * | 2024-02-28 | 2024-05-17 | 苏州澳佰特智能科技有限公司 | Performance test equipment of automobile electric power steering gear |
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