CN214096621U - Test bed tool for endurance test of electric power steering gear - Google Patents
Test bed tool for endurance test of electric power steering gear Download PDFInfo
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- CN214096621U CN214096621U CN202022770102.5U CN202022770102U CN214096621U CN 214096621 U CN214096621 U CN 214096621U CN 202022770102 U CN202022770102 U CN 202022770102U CN 214096621 U CN214096621 U CN 214096621U
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- 238000012360 testing method Methods 0.000 title claims abstract description 112
- 238000004088 simulation Methods 0.000 claims abstract description 29
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000004519 grease Substances 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 21
- 230000006978 adaptation Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a test bench frock for electric power steering ware endurance test's test bench frock includes: a work table; the motor support mounting assembly is arranged on the workbench; a steering force simulation motor; a steering gear housing support; a diverter body; connecting rod slider guiding mechanism assembly establishes on the workstation and includes: a bi-directional pull pressure sensor; a guide rail; the sliding block is connected with the guide rail in a sliding manner and is connected with the bidirectional pulling pressure sensor; the connecting rod is connected with the sliding block; the load electric cylinder assembly is arranged on the workbench and is connected with the connecting rod; and the rear support of the load electric cylinder assembly is arranged on the workbench and the load electric cylinder assembly is supported on the rear support of the load electric cylinder assembly. According to the utility model discloses a test bench frock for electric power assisted steering ware endurance test, compact structure, it is comparatively convenient to install, can satisfy the endurance test to various electric power assisted steering ware.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a test bench frock for electric power steering ware endurance test is related to.
Background
In the related technology, in the whole vehicle development process, the durability and reliability of the system parts can be effectively checked by aiming at the durability bench test of the system and the parts, and the development period is shortened.
However, the conventional steering gear endurance test bed is large in size and inconvenient to install. And in the whole car development process, utility model people find that prior art has following problem at least: a normal test bed is built, a large amount of material resources and financial resources of a company are consumed, the development period is long, and the influence on the development progress is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a test bench frock for electric power assisted steering ware endurance test, test bench frock compact structure, small, be convenient for the installation, with low costs, the cycle is short.
According to the utility model discloses a test bench frock for electric power steering ware endurance test, include: the upper surface of the workbench is provided with a T-shaped groove; the motor support mounting assembly is arranged on the workbench; the steering force simulation motor is arranged on the motor support mounting assembly and is used for simulating steering force; the steering gear shell support is arranged on the workbench; a steering gear body provided on the steering gear housing mount, the steering gear body having a rack shaft; connecting rod slider guiding mechanism assembly, connecting rod slider guiding mechanism assembly establishes on the workstation and include: the bidirectional pulling pressure sensor is connected with the rack shaft; a guide rail; the sliding block is connected with the guide rail in a sliding mode and is connected with the bidirectional pulling pressure sensor; the connecting rod is connected with the sliding block; the load electric cylinder assembly is arranged on the workbench and is connected with the connecting rod; the rear support of the load electric cylinder assembly is arranged on the workbench, and the load electric cylinder assembly is supported on the rear support of the load electric cylinder assembly.
According to the utility model discloses a test bench frock for electronic power assisted steering ware endurance test, the load adopts the one-way load loading, installs on the workstation, and the afterbody of the electronic jar assembly of load is fixed with electronic jar assembly rear support of load. The unidirectional analog load is simpler to install, and provides corresponding steering resistance according to signals of the pull pressure sensor. In addition, the problem of the straightness deviation between the load force and the steering gear rack shaft caused by the axial concentricity deviation during installation can be reduced by arranging the connecting rod slide block guide mechanism assembly. According to the utility model discloses a test bench frock for electric power assisted steering ware endurance test, compact structure, the volume is less, and it is comparatively convenient to install, can satisfy the endurance test to various electric power assisted steering ware.
In addition, according to the utility model discloses a test bench frock for electric power steering gear endurance test still has following additional technical characterstic:
according to the utility model discloses a some embodiments, the connecting rod has the connecting rod hole, connecting rod hole perpendicular to table surface installation, be equipped with the connecting pin in the connecting rod hole, the slider with the perpendicular to table surface when the connecting pin is installed, all be equipped with the location boss from top to bottom at the slider, the guide rail is installed on the workstation, perpendicular to table surface direction at the installation by positioning groove with the cooperation of location boss to axial when restricting the slider operation rotates.
Furthermore, a grease lubricating layer is arranged between the sliding block and the guide rail so as to reduce the running friction resistance.
According to some embodiments of the utility model, the motor supports the installation component and includes: the steering motor support is arranged on the workbench; the steering motor support is detachably arranged on the steering motor support.
Still further, the steering motor mount includes: the base plate is connected with the workbench, and a plurality of mounting positions are formed on the vertical plate so as to adjust the mounting positions of the steering force simulation motors according to different types of steering gears.
Further, the steering motor bracket includes: the steering force simulation motor is suitable for being supported by the supporting part, and the connecting part is connected with the vertical plate; the connecting part is provided with a mounting hole, and a fastener is suitable for penetrating through the mounting hole and the mounting position so as to connect the steering motor support with the steering motor support.
According to some embodiments of the invention, the steering gear housing support comprises a first steering gear housing support and a second steering gear housing support, the distance between the first steering gear housing support and the second steering gear housing support being adjustable.
According to some embodiments of the utility model, the bottom of workstation is equipped with the universal wheel.
According to some embodiments of the utility model, the bottom of workstation is equipped with the rubber pad.
According to some embodiments of the utility model, adopt the universal joint to connect between steering force simulation motor and the steering column.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an isometric test layout of a test bed fixture for an electric power steering gear endurance test according to an embodiment of the present invention;
FIG. 2 is a front layout view of the test bed tooling for an electric power steering endurance test in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a top layout view of the test bed tooling for an electric power steering endurance test of FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a side layout view of the test rig fixture for endurance testing of an electric power steering according to an embodiment of the present invention in FIG. 1;
fig. 5 is a schematic diagram of a link-slider guide mechanism assembly in the test bed tool for the endurance test of the electric power steering according to the embodiment of the present invention in fig. 1.
Reference numerals:
a test bed tool 1000 for an endurance test of an electric power steering,
the length of the table 100, the T-slot 111,
motor support mounting assembly 200, steering motor mount 210, base plate 211, mounting portion 2111, riser 212, steering motor bracket 220,
the steering force is simulated by the motor 300,
a steering housing mount 400, a first steering housing mount 410, a second steering housing mount 420,
the steering gear body 500 is provided with a steering gear body,
a link-slider guide assembly 600, a bi-directional tension-pressure sensor 610, a guide rail 620, a slider 630, a link 640,
the electric cylinder assembly 700 is loaded and,
the rear support 800 of the electric cylinder assembly is loaded.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the related art, the current electric power-assisted steering system is widely applied, and has higher integration and more compact structure compared with the traditional steering system. Therefore, the durability test bench special for the electric power-assisted steering gear is designed, the structure is compact, the size is small, the installation is convenient and fast, and the durability test of various electric power-assisted steering gears can be met.
The utility model is suitable for an automobile parts endurance test field especially relates to a steering gear endurance test rack. The present invention is described mainly by taking the steering gear as an example of an electric power steering gear, however, this is not to be understood as a limitation of the present invention.
A test bed tool 1000 for an electric power steering endurance test according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
According to the utility model discloses a test bench frock 1000 for electric power assisted steering ware endurance test, include: the hydraulic steering mechanism comprises a workbench 100, a motor support mounting component 200, a steering force simulation motor 300, a steering gear shell support 400, a steering gear body 500, a connecting rod slide block guide mechanism assembly 600, a load electric cylinder assembly 700 and a load electric cylinder assembly rear support 800.
Specifically, a T-shaped groove 111 is disposed on the upper surface of the table 100; thus, by arranging the T-shaped groove 111 on the upper surface of the table, the T-shaped groove 111 may include a plurality of grooves, and the T-shaped groove 111 facilitates mounting of other components on the table 100.
The motor support mounting assembly 200 is disposed on the work table 100; the steering force simulation motor 300 is provided on the motor support mounting assembly 200, and the steering force simulation motor 300 may be used to simulate a steering force. Thus, the motor support mounting assembly 200 is conveniently mounted on the table 100 through the T-shaped groove 111, and the steering force simulation motor 300 for simulating the steering force is conveniently mounted through the motor support mounting assembly 200.
According to the utility model discloses a test bench frock 1000 for electric power steering ware endurance test has arranged T type groove 111 through the upper surface at workstation 100, from this for the motor supports installation component 200 and can installs in a flexible way, thereby is favorable to guaranteeing the commonality of adaptation different model motorcycle type a steering system frock and the high efficiency of assembly, and then can verify the reliability of many money steering gear systems fast.
The steering gear housing holder 400 is provided on the table 100, the steering gear body 500 is provided on the steering gear housing holder 400, and the steering gear body 510 has a rack shaft. For example, the steering gear housing holder 400 is mounted on the table 100 via the T-shaped groove 111, and the steering gear body 500 is supported by the steering gear housing holder 400.
Referring to fig. 5 in conjunction with fig. 1, the link-slide guide assembly 600 is disposed on the worktable 100, thereby facilitating the installation of the link-slide guide assembly 600 on the worktable 100 through the T-shaped groove 111.
And the link-slide guide assembly 600 may include: a bi-directional pull pressure sensor 610, a guide rail 620, a slider 630, and a link 640. Specifically, the bidirectional tension and pressure sensor 610 is connected to the rack shaft; the sliding block 630 is slidably connected with the guide rail 620, and the sliding block 630 is connected with the bidirectional pull pressure sensor 610; the link 640 is connected to the slider 630. Here, the connection form of the slider 630 and the connecting rod 640 is similar to a piston connecting rod structure in an engine.
For example, in some embodiments of the present invention, the bi-directional pull pressure sensor 610 and the rack shaft may be connected by a threaded connection; the slider 630 and the bi-directional pull pressure sensor 610 may be connected by a threaded connection. The load electric cylinder assembly 700 is provided on the work table 100, and the load electric cylinder assembly 700 is connected to the connecting rod 640. In some embodiments of the present invention, the loaded electric cylinder assembly 700 and the connecting rod 640 may be connected by a screw connection. The rear support 800 of the load electric cylinder assembly is arranged on the workbench 100, and the 7700 of the load electric cylinder assembly is supported on the rear support 800 of the load electric cylinder assembly.
For example, referring to fig. 2 and 5, in some embodiments of the present invention, one end (e.g., the left end) of the bi-directional pull pressure sensor 610 may be connected to the rack shaft; the sliding block 630 is slidably connected to the guide rail 620, and one end (e.g., left end) of the sliding block 630 is connected to the other end (e.g., right end) of the bi-directional pull and pressure sensor 610; the link 640 is connected to the other end (e.g., the right end) of the slider 630; the load electric cylinder assembly 700 is disposed on the working platform 100, and one end (for example, the left end) of the load electric cylinder assembly 100 is connected to the connecting rod 640; the rear support 800 of the load electric cylinder assembly is disposed on the working platform 100, and the other end (for example, the right end) of the load electric cylinder assembly 700 is supported on the rear support 800 of the load electric cylinder assembly.
According to the utility model discloses a test bench frock 1000 for electronic power assisted steering ware endurance test, the load adopts the one-way load loading, installs on workstation 100, and the electronic jar assembly after-poppet 800 of the electronic jar assembly 700's of afterbody with the load is fixed. The unidirectional analog load is simpler to install, and provides corresponding steering resistance according to signals of the pull pressure sensor. Further, by providing the link slider guide mechanism assembly 600, the problem of the deviation in the straightness between the steering rack shaft and the load force due to the deviation in the axial concentricity at the time of mounting can be reduced. According to the utility model discloses a test bench frock 1000 for electric power assisted steering ware endurance test, compact structure, the volume is less, and it is comparatively convenient to install, can satisfy the endurance test to various electric power assisted steering ware.
According to the utility model discloses a some embodiments, connecting rod 640 has the connecting rod hole, connecting rod hole perpendicular to table surface installs, be equipped with the connecting pin in the connecting rod hole, slider 630 with connecting rod 640's connecting pin perpendicular to table surface when the installation, slider 630 all is equipped with the location boss from top to bottom, guide rail 620 installs on the workstation 100, by the location boss cooperation of positioning groove with slider 630 in the perpendicular to table surface direction of installation to axial when restriction slider 630 moves rotates.
Further, the surfaces of the sliding block 630 and the guide rail 620 are smooth, and a grease lubricating layer is arranged between the sliding block 630 and the guide rail 620 to reduce the running friction resistance. For example, the present invention can reduce the frictional resistance during operation by making the surfaces of the sliding block 630 and the guide rail 620 smooth and using grease lubrication.
Referring to fig. 5, the link-slider guide assembly 600 includes a bidirectional pull/pressure sensor 610, a guide rail 620, a slider 630, and a link 640, wherein one side of the bidirectional pull/pressure sensor 610 is screw-coupled to the rack shaft, and the other side of the bidirectional pull/pressure sensor 610 is screw-coupled to the slider 630. The connection form of the sliding block 630 and the connecting rod 640 is similar to a piston connecting rod structure in an engine, the connecting pin of the sliding block 630 and the connecting rod 640 is perpendicular to a working table when being installed, the connecting rod hole is perpendicular to the working table when being installed, and the upper part and the lower part of the sliding block 630 are provided with positioning bosses. The guide rail 640 is installed on the T-slot workbench, and is matched with the positioning boss of the slider by a positioning groove in the direction perpendicular to the table top, so as to ensure that the slider 630 limits the axial rotation of the slider during operation. The sliding block 630 and the guide rail 640 are smooth in surface and lubricated by grease, so that the running friction resistance is reduced. The other side of the connecting rod is in threaded connection with an output shaft of the load electric cylinder assembly.
According to the utility model discloses a test bench frock 1000 for electric power assisted steering ware endurance test, overall structure is simple, small in size, the installation and use of being convenient for.
According to some embodiments of the present invention, referring to fig. 1 and 2, the motor support mounting assembly 200 includes: a steering motor mount 210 and a steering motor bracket 220.
Specifically, the steering motor mount 210 is provided on the table 100; the steering motor support 220 is detachably disposed on the steering motor support 210.
According to the utility model discloses a test bench frock 1000 for electric power steering ware endurance test, through the upper surface at workstation 100 arranged T type groove 111, from this for the motor supports installation component 200 (including turning to motor support 210 and turning to motor support 220) and can install in a flexible way, thereby is favorable to guaranteeing the commonality of adaptation different model motorcycle type a steering system frock and the high efficiency of assembly, and then can verify the reliability of many money steering ware systems fast.
Further, in conjunction with fig. 1 and 2, the steering motor support 210 includes: the base plate 211 is connected to the table 100, and a plurality of mounting positions 2121 are formed on the vertical plate 212 to adjust the mounting positions of the steering force simulation motors according to different types of steering gears. Therefore, the mounting positions of the steering force simulation motors can be adjusted according to different types of steering gears by forming the mounting positions 2121 on the vertical plate 212, and the universality of the test bench tool 1000 is improved.
Further, the steering motor bracket 220 includes: a support part 221 and a connection part 222, specifically, the steering force simulation motor 300 is adapted to be supported by the support part 221, and the connection part 222 is connected to the vertical plate 212.
Wherein, the connecting portion 222 is formed with a mounting hole 2221, and a fastener (e.g., a fastening bolt, etc.) is adapted to pass through the mounting hole 2221 and the mounting position 2121 so as to connect the steering motor bracket 220 with the steering motor support 210. In some embodiments of the present invention, the mounting holes 2221 may be bolt holes, and the steering force simulation motor 300 may be passed through by the steering motor support 220 and then mounted on the steering motor support 210 after being fixed by the bolt holes.
For example, referring to fig. 3 and 4, the steering motor mount 210 may include two, the steering motor mount 210 on the left side may be a first steering motor mount, and the steering motor mount 210 on the right side may be a second steering motor mount, and the first steering motor mount and the second steering motor mount are spaced apart from each other. The bottoms of the first steering motor support and the second steering motor support can be fixed on the workbench 100 through the T-shaped groove 111 on the workbench 100.
The connection portion 222 may include two, a first connection portion located at the left side and corresponding to the first steering motor support, and a second connection portion located at the right side and corresponding to the second steering motor support.
In some embodiments of the present invention, a plurality of mounting positions 2121 are formed on the vertical plate 212 of the steering motor support, and the mounting positions 2121 may be hollow gaps equidistantly distributed above the vertical plate 212, so as to ensure that the steering motor support can be fixed on the steering motor support 210 through fasteners, such as bolts, at various angles when installing different types of steering gears.
According to some embodiments of the present disclosure, the steering gear housing mount 400 may include a first steering gear housing mount 410 and a second steering gear housing mount 420, the distance between the first steering gear housing mount 410 and the second steering gear housing mount 420 being adjustable.
For example, the bottom of the steering housing support 400 may be fixed to the table 100 by a T-groove 111, the steering housing support 400 may include a first steering housing support 410 and a second steering housing support 420, and a distance between the first steering housing support 410 and the second steering housing support 420 may be adjustable. Thus, the spacing between the first steering gear housing mount 410 and the second steering gear housing mount 420 can be adjusted for different models of steering gears.
According to some embodiments of the present invention, the bottom of the working table 100 is provided with universal wheels. Therefore, the universal wheels are arranged at the bottom of the workbench 100, so that the test bed tool 1000 can be moved conveniently.
According to some embodiments of the present invention, the bottom of the working table 100 is provided with a rubber pad. Therefore, the rubber pad is arranged at the bottom of the working table 100, so that the test bench tool 1000 is prevented from sliding, and the stability of the test bench tool 1000 is guaranteed.
Referring to fig. 1, according to the utility model discloses a test bench frock 1000 for electric power steering gear endurance test, including T type groove workstation, the bottom of workstation 100 can increase the rubber pad or change for the universal wheel, and it is convenient to remove, and the practicality is high, and workstation surface cloth has T type groove, makes things convenient for each frock piece installation.
According to some embodiments of the present invention, the steering force simulation motor 300 and the steering column are connected by a universal joint.
Specific embodiments of a test bed tool 1000 for an endurance test of an electric power steering according to the present invention will be described below with reference to the accompanying drawings.
According to the utility model discloses a test bench frock 1000 for electric power assisted steering ware endurance test, include: the hydraulic steering mechanism comprises a workbench 100, a motor support mounting component 200, a steering force simulation motor 300, a steering gear shell support 400, a steering gear body 500, a connecting rod slide block guide mechanism assembly 600, a load electric cylinder assembly 700 and a load electric cylinder assembly rear support 800.
Specifically, a T-shaped groove 111 is disposed on the upper surface of the table 100; thus, by arranging the T-shaped groove 111 on the upper surface of the table, the T-shaped groove 111 may include a plurality of grooves, and the T-shaped groove 111 facilitates mounting of other components on the table 100.
The motor support mounting assembly 200 is disposed on the work table 100; the steering force simulation motor 300 is provided on the motor support mounting assembly 200, and the steering force simulation motor 300 may be used to simulate a steering force. Thus, the motor support mounting assembly 200 is conveniently mounted on the table 100 through the T-shaped groove 111, and the steering force simulation motor 300 for simulating the steering force is conveniently mounted through the motor support mounting assembly 200.
According to the utility model discloses a test bench frock 1000 for electric power steering ware endurance test has arranged T type groove 111 through the upper surface at workstation 100, from this for the motor supports installation component 200 and can installs in a flexible way, thereby is favorable to guaranteeing the commonality of adaptation different model motorcycle type a steering system frock and the high efficiency of assembly, and then can verify the reliability of many money steering gear systems fast.
The steering gear housing holder 400 is provided on the table 100, the steering gear body 500 is provided on the steering gear housing holder 400, and the steering gear body 510 has a rack shaft. For example, the steering gear housing holder 400 is mounted on the table 100 via the T-shaped groove 111, and the steering gear body 500 is supported by the steering gear housing holder 400.
Referring to fig. 5 in conjunction with fig. 1, the link-slide guide assembly 600 is disposed on the worktable 100, thereby facilitating the installation of the link-slide guide assembly 600 on the worktable 100 through the T-shaped groove 111.
And the link-slide guide assembly 600 may include: a bi-directional pull pressure sensor 610, a guide rail 620, a slider 630, and a link 640. Specifically, the bidirectional tension and pressure sensor 610 is connected to the rack shaft; the sliding block 630 is slidably connected with the guide rail 620, and the sliding block 630 is connected with the bidirectional pull pressure sensor 610; the link 640 is connected to the slider 630. Here, the connection form of the slider 630 and the connecting rod 640 is similar to a piston connecting rod structure in an engine.
For example, in some embodiments of the present invention, the bi-directional pull pressure sensor 610 and the rack shaft may be connected by a threaded connection; the slider 630 and the bi-directional pull pressure sensor 610 may be connected by a threaded connection. The load electric cylinder assembly 700 is provided on the work table 100, and the load electric cylinder assembly 700 is connected to the connecting rod 640. In some embodiments of the present invention, the loaded electric cylinder assembly 700 and the connecting rod 640 may be connected by a screw connection. The rear support 800 of the load electric cylinder assembly is arranged on the workbench 100, and the 7700 of the load electric cylinder assembly is supported on the rear support 800 of the load electric cylinder assembly.
For example, referring to fig. 2 and 5, in some embodiments of the present invention, one end (e.g., the left end) of the bi-directional pull pressure sensor 610 may be connected to the rack shaft; the sliding block 630 is slidably connected to the guide rail 620, and one end (e.g., left end) of the sliding block 630 is connected to the other end (e.g., right end) of the bi-directional pull and pressure sensor 610; the link 640 is connected to the other end (e.g., the right end) of the slider 630; the load electric cylinder assembly 700 is disposed on the working platform 100, and one end (for example, the left end) of the load electric cylinder assembly 100 is connected to the connecting rod 640; the rear support 800 of the load electric cylinder assembly is disposed on the working platform 100, and the other end (for example, the right end) of the load electric cylinder assembly 700 is supported on the rear support 800 of the load electric cylinder assembly.
According to the utility model discloses a test bench frock 1000 for electronic power assisted steering ware endurance test, the load adopts the one-way load loading, installs on workstation 100, and the electronic jar assembly after-poppet 800 of the electronic jar assembly 700's of afterbody with the load is fixed. The unidirectional analog load is simpler to install, and provides corresponding steering resistance according to signals of the pull pressure sensor. Further, by providing the link slider guide mechanism assembly 600, the problem of the deviation in the straightness between the steering rack shaft and the load force due to the deviation in the axial concentricity at the time of mounting can be reduced. According to the utility model discloses a test bench frock 1000 for electric power assisted steering ware endurance test, compact structure, the volume is less, and it is comparatively convenient to install, can satisfy the endurance test to various electric power assisted steering ware.
According to the utility model discloses a some embodiments, connecting rod 640 has the connecting rod hole, connecting rod hole perpendicular to table surface installs, be equipped with the connecting pin in the connecting rod hole, slider 630 with connecting rod 640's connecting pin perpendicular to table surface when the installation, slider 630 all is equipped with the location boss from top to bottom, guide rail 620 installs on the workstation 100, the perpendicular to mesa direction of installation is by the location boss cooperation of positioning groove with slider 630 to axial rotation when restricting slider 630 operation.
Further, the surfaces of the sliding block 630 and the guide rail 620 are smooth, and a grease lubricating layer is arranged between the sliding block 630 and the guide rail 620 to reduce the running friction resistance. For example, the present invention can reduce the frictional resistance during operation by making the surfaces of the sliding block 630 and the guide rail 620 smooth and using grease lubrication.
Referring to fig. 5, the link-slider guide assembly 600 includes a bidirectional pull/pressure sensor 610, a guide rail 620, a slider 630, and a link 640, wherein one side of the bidirectional pull/pressure sensor 610 is screw-coupled to the rack shaft, and the other side of the bidirectional pull/pressure sensor 610 is screw-coupled to the slider 630. The connection form of the sliding block 630 and the connecting rod 640 is similar to a piston connecting rod structure in an engine, the connecting pin of the sliding block 630 and the connecting rod 640 is perpendicular to a working table when being installed, the connecting rod hole is perpendicular to the working table when being installed, and the upper part and the lower part of the sliding block 630 are provided with positioning bosses. The guide rail 640 is installed on the T-slot workbench, and is matched with the positioning boss of the slider by a positioning groove in the direction perpendicular to the table top, so as to ensure that the slider 630 limits the axial rotation of the slider during operation. The sliding block 630 and the guide rail 640 are smooth in surface and lubricated by grease, so that the running friction resistance is reduced. The other side of the connecting rod is in threaded connection with an output shaft of the load electric cylinder assembly.
According to the utility model discloses a test bench frock 1000 for electric power assisted steering ware endurance test, overall structure is simple, small in size, the installation and use of being convenient for.
According to some embodiments of the present invention, referring to fig. 1 and 2, the motor support mounting assembly 200 includes: a steering motor mount 210 and a steering motor bracket 220.
Specifically, the steering motor mount 210 is provided on the table 100; the steering motor support 220 is detachably disposed on the steering motor support 210.
According to the utility model discloses a test bench frock 1000 for electric power steering ware endurance test, through the upper surface at workstation 100 arranged T type groove 111, from this for the motor supports installation component 200 (including turning to motor support 210 and turning to motor support 220) and can install in a flexible way, thereby is favorable to guaranteeing the commonality of adaptation different model motorcycle type a steering system frock and the high efficiency of assembly, and then can verify the reliability of many money steering ware systems fast.
Further, in conjunction with fig. 1 and 2, the steering motor support 210 includes: the base plate 211 is connected to the table 100, and a plurality of mounting positions 2121 are formed on the vertical plate 212 to adjust the mounting positions of the steering force simulation motors according to different types of steering gears. Therefore, the mounting positions of the steering force simulation motors can be adjusted according to different types of steering gears by forming the mounting positions 2121 on the vertical plate 212, and the universality of the test bench tool 1000 is improved.
Further, the steering motor bracket 220 includes: a support part 221 and a connection part 222, specifically, the steering force simulation motor 300 is adapted to be supported by the support part 221, and the connection part 222 is connected to the vertical plate 212.
Wherein, the connecting portion 222 is formed with a mounting hole 2221, and a fastener (e.g., a fastening bolt, etc.) is adapted to pass through the mounting hole 2221 and the mounting position 2121 so as to connect the steering motor bracket 220 with the steering motor support 210. In some embodiments of the present invention, the mounting holes 2221 may be bolt holes, and the steering force simulation motor 300 may be passed through by the steering motor support 220 and then mounted on the steering motor support 210 after being fixed by the bolt holes.
For example, referring to fig. 3 and 4, the steering motor mount 210 may include two, the steering motor mount 210 on the left side may be a first steering motor mount, and the steering motor mount 210 on the right side may be a second steering motor mount, and the first steering motor mount and the second steering motor mount are spaced apart from each other. The bottoms of the first steering motor support and the second steering motor support can be fixed on the workbench 100 through the T-shaped groove 111 on the workbench 100.
The connection portion 222 may include two, a first connection portion located at the left side and corresponding to the first steering motor support, and a second connection portion located at the right side and corresponding to the second steering motor support.
In some embodiments of the present invention, a plurality of mounting positions 2121 are formed on the vertical plate 212 of the steering motor support, and the mounting positions 2121 may be hollow gaps equidistantly distributed above the vertical plate 212, so as to ensure that the steering motor support can be fixed on the steering motor support 210 through fasteners, such as bolts, at various angles when installing different types of steering gears.
According to some embodiments of the present disclosure, the steering gear housing mount 400 may include a first steering gear housing mount 410 and a second steering gear housing mount 420, the distance between the first steering gear housing mount 410 and the second steering gear housing mount 420 being adjustable.
For example, the bottom of the steering housing support 400 may be fixed to the table 100 by a T-groove 111, the steering housing support 400 may include a first steering housing support 410 and a second steering housing support 420, and a distance between the first steering housing support 410 and the second steering housing support 420 may be adjustable. Thus, the spacing between the first steering gear housing mount 410 and the second steering gear housing mount 420 can be adjusted for different models of steering gears.
According to some embodiments of the present invention, the bottom of the working table 100 is provided with universal wheels. Therefore, the universal wheels are arranged at the bottom of the workbench 100, so that the test bed tool 1000 can be moved conveniently.
According to some embodiments of the present invention, the bottom of the working table 100 is provided with a rubber pad. Therefore, the rubber pad is arranged at the bottom of the working table 100, so that the test bench tool 1000 is prevented from sliding, and the stability of the test bench tool 1000 is guaranteed.
Referring to fig. 1, according to the utility model discloses a test bench frock 1000 for electric power steering gear endurance test, including T type groove workstation, the bottom of workstation 100 can increase the rubber pad or change for the universal wheel, and it is convenient to remove, and the practicality is high, and workstation surface cloth has T type groove, makes things convenient for each frock piece installation.
According to some embodiments of the present invention, the steering force simulation motor 300 and the steering column are connected by a universal joint.
The test bed tool 1000 for the endurance test of the electric power steering gear according to the embodiment of the invention comprises a T-shaped groove workbench 100; the steering motor support 210 is arranged on the T-shaped groove workbench; the steering motor support 220, the steering motor support 220 is mounted on the steering motor support 210; a steering force simulation motor 300, the steering force simulation motor 300 being mounted on the steering motor bracket 210; the steering gear shell support 400 is arranged on the T-shaped groove workbench, and the steering gear shell support 400 is arranged on the T-shaped groove workbench; the connecting rod sliding block guide mechanism assembly 600 is arranged on the T-shaped groove workbench, and the connecting rod sliding block guide mechanism assembly 600 is arranged on the T-shaped groove workbench; the bidirectional tension and pressure sensor 610, the bidirectional tension and pressure sensor 610 is installed on the connecting rod sliding block guide mechanism assembly 600; the load electric cylinder assembly 700, the load electric cylinder assembly 700 is arranged on the T-shaped groove workbench; the rear support 800 of the load electric cylinder assembly is arranged on the T-shaped groove workbench, and the rear support 800 of the load electric cylinder assembly is arranged on the T-shaped groove workbench. The bottom of the T-shaped groove workbench can be additionally provided with universal wheels.
According to the utility model discloses a test bench frock 1000 for electric power assisted steering ware endurance test turns to motor support 220 and turns to motor support 210 and can install in a flexible way. The universality of the tool suitable for different models of vehicle types and the high efficiency of assembly are ensured, and the reliability of a plurality of steering gear systems can be rapidly verified. The link slider guide assembly 600 can reduce the problem of misalignment between the load force and the steering gear rack shaft caused by misalignment of the axial concentricity during installation.
Other configurations and operations of the test bed tool 1000 for the endurance test of the electric power steering according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a test bench frock for electric power steering ware endurance test which characterized in that includes:
the upper surface of the workbench is provided with a T-shaped groove;
the motor support mounting assembly is arranged on the workbench;
the steering force simulation motor is arranged on the motor support mounting assembly and is used for simulating steering force;
the steering gear shell support is arranged on the workbench;
a steering gear body provided on the steering gear housing mount, the steering gear body having a rack shaft;
connecting rod slider guiding mechanism assembly, connecting rod slider guiding mechanism assembly establishes on the workstation and include:
the bidirectional pulling pressure sensor is connected with the rack shaft;
a guide rail;
the sliding block is connected with the guide rail in a sliding mode and is connected with the bidirectional pulling pressure sensor;
the connecting rod is connected with the sliding block;
the load electric cylinder assembly is arranged on the workbench and is connected with the connecting rod;
the rear support of the load electric cylinder assembly is arranged on the workbench, and the load electric cylinder assembly is supported on the rear support of the load electric cylinder assembly.
2. The test bench tool for the endurance test of the electric power steering according to claim 1, wherein the connecting rod has a connecting rod hole, the connecting rod hole is installed perpendicular to the working table, a connecting pin is arranged in the connecting rod hole, the sliding block and the connecting pin are perpendicular to the working table when being installed, the sliding block is provided with positioning bosses at the upper part and the lower part, the guide rail is installed on the working table, and the positioning bosses are matched with the positioning grooves in the direction perpendicular to the working table when being installed so as to limit the axial rotation of the sliding block when in operation.
3. The test bed tool for the endurance test of the electric power steering according to claim 2, wherein a grease lubrication layer is provided between the slider and the guide rail to reduce running friction resistance.
4. The test bed fixture for an electric power steering endurance test of claim 1, wherein said motor support mounting assembly comprises:
the steering motor support is arranged on the workbench;
the steering motor support is detachably arranged on the steering motor support.
5. The test bed tool for the endurance test of the electric power steering according to claim 4, wherein the steering motor support includes: the base plate is connected with the workbench, and a plurality of mounting positions are formed on the vertical plate so as to adjust the mounting positions of the steering force simulation motors according to different types of steering gears.
6. The test bed fixture for the endurance test of the electric power steering according to claim 5, wherein the steering motor bracket includes:
the steering force simulation motor is suitable for being supported by the supporting part, and the connecting part is connected with the vertical plate;
the connecting part is provided with a mounting hole, and a fastener is suitable for penetrating through the mounting hole and the mounting position so as to connect the steering motor support with the steering motor support.
7. The test rig tool for the endurance test of the electric power steering according to claim 1, wherein the steering gear housing mount includes a first steering gear housing mount and a second steering gear housing mount, a distance between the first steering gear housing mount and the second steering gear housing mount being adjustable.
8. The test bed tool for the durability test of the electric power steering according to claim 1, wherein universal wheels are arranged at the bottom of the workbench.
9. The test bed tool for the endurance test of the electric power steering according to claim 1, wherein a rubber pad is disposed at a bottom of the working table.
10. The test bench tool for the endurance test of the electric power steering according to claim 1, wherein the steering force simulation motor and the steering column are connected by a universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022770102.5U CN214096621U (en) | 2020-11-24 | 2020-11-24 | Test bed tool for endurance test of electric power steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022770102.5U CN214096621U (en) | 2020-11-24 | 2020-11-24 | Test bed tool for endurance test of electric power steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214096621U true CN214096621U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022770102.5U Active CN214096621U (en) | 2020-11-24 | 2020-11-24 | Test bed tool for endurance test of electric power steering gear |
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| CN (1) | CN214096621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021123875A1 (en) | 2021-09-15 | 2023-03-30 | Bayerische Motoren Werke Aktiengesellschaft | Arrangement for a steering gear test stand and steering gear test stand |
-
2020
- 2020-11-24 CN CN202022770102.5U patent/CN214096621U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021123875A1 (en) | 2021-09-15 | 2023-03-30 | Bayerische Motoren Werke Aktiengesellschaft | Arrangement for a steering gear test stand and steering gear test stand |
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