CN114608845A - EPS (electric Power storage) in-loop simulation test bench for intelligent driving of automobile - Google Patents
EPS (electric Power storage) in-loop simulation test bench for intelligent driving of automobile Download PDFInfo
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- CN114608845A CN114608845A CN202210220711.4A CN202210220711A CN114608845A CN 114608845 A CN114608845 A CN 114608845A CN 202210220711 A CN202210220711 A CN 202210220711A CN 114608845 A CN114608845 A CN 114608845A
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- steering
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- automobile
- simulation test
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- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000004088 simulation Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 12
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Steering Controls (AREA)
Abstract
The invention relates to the field of automobile steering system testing, in particular to an EPS (electric power steering) in-loop simulation test bench for automobile intelligent driving, which comprises an automobile steering unit, wherein the automobile steering unit comprises a steering gear and a steering pipe column; according to the invention, the steering gear is provided with the steering gear mounting clamp which can be adjusted in multiple directions, the steering column can be adjusted and mounted in X, Y, Z three directions through the steering column mounting clamp, and can also be adapted to the mounting of multiple steering columns, the steering column can be lifted up and down and moved in the longitudinal direction through the steering column mounting clamp, the assembly, disassembly, transportation and the like are simple and convenient, and the mounting, fixing and testing of multiple vehicle types can be realized.
Description
Technical Field
The invention relates to the field of automobile steering system testing, in particular to an EPS (electric power steering) in-loop simulation test bench for automobile intelligent driving.
Background
In the present day of continuous development of science and technology, automobiles are indispensable in people's lives from luxury at first to current trip standard fittings, and the automobiles have great sustainable development space although being popularized.
The automobile steering system is an important mechanism necessary for an automobile and is a mechanism for ensuring the running safety of the automobile, and the steering system must have standard and qualified stability before the automobile formally runs on the road.
The existing test technical method is that a steering system is installed on a vehicle firstly, then the vehicle is erected off the ground to test the steering system, the test mode is slow in vehicle assembly progress and time-consuming, the implementation cost is high, and therefore an EPS (electric power steering) in-loop simulation test bench for automobile intelligent driving is provided.
Disclosure of Invention
The invention aims to provide an EPS (electric power steering) in-loop simulation test bench for intelligent driving of an automobile, so as to solve the problems in the background technology.
In order to achieve the purpose, the EPS in-loop simulation test bench for automobile intelligent driving comprises an automobile steering unit, wherein the automobile steering unit comprises a steering gear and a steering column, and is arranged on the upper surface of a bench main body;
the rack main body comprises a steering gear mounting clamp and a steering column mounting clamp, the steering gear is mounted on the upper surface of the steering gear mounting clamp, a steering column is mounted on the upper surface of the steering column mounting clamp, an electric push rod is mounted at one end of the steering gear mounting clamp, a pressure sensor is mounted at the push rod of the electric push rod through a connecting flange, and one end of the pressure sensor is mounted at one end of the steering gear through a joint bearing.
Preferably: the steering gear box mounting fixture comprises a sliding table and mounting seats, the sliding table is fixedly connected to the upper surface of the rack main body, the upper surface of the sliding table is connected with the mounting seats in a sliding mode, and the steering gear box is mounted at the upper end of the mounting seats.
Preferably: the steering column mounting fixture comprises a bottom support, a mounting frame, a toothed bar, a movable bar platform and a mounting table, wherein the bottom support is fixedly connected to the upper surface of a rack main body, the upper surface of the bottom support is slidably connected with the mounting frame, the upper surface of the rack main body is rotatably connected with the toothed bar, one end of the toothed bar is meshed with the lower surface of the mounting frame, the movable bar platform is rotatably connected to the top of the mounting frame, the inner wall of the mounting frame is vertically slidably connected with the mounting table, one end of the movable bar platform is in threaded connection with the top of the mounting table, and the steering column is mounted at the lower end of the mounting table.
Preferably, the following components: a plurality of self-locking trundles are mounted on the lower surface of the rack main body.
Preferably: the inside threaded connection of mount pad has the fly leaf, the fly leaf includes the threaded rod of downside and the mounting panel at top, the mounting panel is located the upside of mount pad, the opening that is linked together with the fly leaf downside is seted up to the outer wall of mount pad.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the steering gear is provided with the steering gear mounting clamp with multi-direction adjustment, so that the steering gear can be adapted to the mounting and fixing of a plurality of steering gears, the steering column can be adjusted and mounted in X, Y, Z three directions through the steering column mounting clamp, and can also be adapted to the mounting of a plurality of steering columns, the steering column can be lifted up and down and moved in the longitudinal direction through the steering column mounting clamp, the assembling, disassembling, transporting and the like are simple and convenient, and the mounting, fixing and testing of a plurality of vehicle types can be realized.
Drawings
FIG. 1 is a schematic elevation view of an EPS in-loop simulation test bench for intelligent driving of an automobile.
In the figure: 11. a steering gear; 12. a steering column; 2. a rack main body; 21. self-locking casters; 3. installing a clamp on the steering gear box; 31. a sliding table; 32. a mounting seat; 4. a clamp is installed on the steering column; 41. a bottom bracket; 42. a mounting frame; 43. a rack bar; 44. a movable bar stage; 45. an installation table; 5. an electric push rod; 6. a pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, it is a preferred embodiment of the present invention, an EPS in-loop simulation test bench for intelligent driving of an automobile, including an automobile steering unit, where the automobile steering unit includes a steering gear 11 and a steering column 12, and the automobile steering unit is installed on the upper surface of a bench main body 2;
the rack main body 2 comprises a steering gear mounting clamp 3 and a steering column mounting clamp 4, a steering gear 11 is mounted on the upper surface of the steering gear mounting clamp 3, a steering column 12 is mounted on the upper surface of the steering column mounting clamp 4, an electric push rod 5 is mounted at one end of the steering gear mounting clamp 3, a pressure sensor 6 is mounted at the push rod of the electric push rod 5 through a connecting flange, and one end of the pressure sensor 6 is mounted at one end of the steering gear 11 through a joint bearing; the steering gear 11 is fixed through having multi-direction adjustable steering gear sectional fixture 3, but the installation of the many types of steering gear 11 of adaptation is fixed, and direction tubular column 12 also can X, Y, Z three directions through direction tubular column sectional fixture 4 and adjust the installation, the installation of also the many types of direction tubular column 12 of adaptation, and direction tubular column 12 passes through the removal of direction tubular column sectional fixture 4 but oscilaltion and longitudinal direction, and equipment, dismantlement, transportation etc. are all enough simple and convenient.
The steering gear mounting fixture 3 comprises a sliding table 31 and mounting seats 32, the sliding table 31 is fixedly connected to the upper surface of the rack main body 2, the upper surface of the sliding table 31 is connected with a plurality of mounting seats 32 in a sliding mode, and the steering gear 11 is mounted at the upper end of the mounting seats 32; the steering gear 11 installed on the installation seat 32 can adjust the relative positions between the installed steering gear 11 and the steering column installation clamp 4, the electric push rod 5, the pressure sensor 6 and the steering column 12 through the sliding of the installation seat 32 on the sliding table 31, so that the installation and the test of the steering gear 11 and the steering column 12 of different models are smoother.
The steering column mounting fixture 4 comprises a bottom support 41, a mounting frame 42, a rack bar 43, a movable rod platform 44 and a mounting platform 45, wherein the bottom support 41 is fixedly connected to the upper surface of the rack main body 2, the mounting frame 42 is slidably connected to the upper surface of the bottom support 41, the rack bar 43 is rotatably connected to the upper surface of the rack main body 2, one end of the rack bar 43 is meshed with the lower surface of the mounting frame 42, the movable rod platform 44 is rotatably connected to the top of the mounting frame 42, the mounting platform 45 is vertically and slidably connected to the inner wall of the mounting frame 42, one end of the movable rod platform 44 is in threaded connection with the top of the mounting platform 45, and the steering column 12 is mounted at the lower end of the mounting platform 45; the steering column 12 is installed under the installation platform 45, the installation rack 42 can move in the X-axis direction and the Y-axis direction on the upper side of the rack main body 2 through the pushing action of the rack bar 43 and the sliding on the bottom support 41, and the height of the installation platform 45 can be controlled through the rotation of the movable rod platform 44, so that the rack main body 2 can be better suitable for the installation of the steering column 12 and the steering column 11 with different models.
A plurality of self-locking casters 21 are mounted on the lower surface of the stand body 2; so that the transportation of the rack is more convenient.
A movable plate is connected to the inner portion of the mounting seat 32 through threads, the movable plate comprises a threaded rod on the lower side and a mounting plate on the top, the mounting plate is located on the upper side of the mounting seat 32, and an opening communicated with the lower side of the movable plate is formed in the outer wall of the mounting seat 32; the threaded rod is rotated at the opening, so that the mounting height of the steering gear 11 can be adjusted when the movable plate is mounted on the steering gear 11, and the mounting and testing of the steering gear 11 and the steering column 12 are smoother.
The maximum simulative load of the EPS load system is more than or equal to 30KN, the average load is not less than 12KN, the load loading control is stable, the fluctuation range of the steering input torque is less than 0.5Nm, and the volume is 2400mm in length, 1100mm in width and 1600mm in height.
In this embodiment, the steering gear 11 mounted on the mounting seat 32, through the sliding of the mounting seat 32 on the sliding table 31, the relative position between the steering gear 11 and the steering column mounting fixture 4, the electric push rod 5, the pressure sensor 6 and the steering column 12 after mounting can be adjusted, the steering column 12 is mounted under the mounting table 45, the mounting table 42 can move in the X and Y axis directions on the upper side of the table main body 2 through the pushing action of the rack bar 43 and the sliding on the bottom bracket 41, and the height of the mounting table 45 can be controlled through the rotation of the movable rod table 44, so that the mounting, fixing and testing of multiple vehicle types can be realized, including SUV, cross country, sedan running, performance car, and the like.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.
Claims (5)
1. The EPS (electric power storage) in-loop simulation test bench for intelligent driving of an automobile comprises an automobile steering unit, wherein the automobile steering unit comprises a steering engine (11) and a steering column (12), and is arranged on the upper surface of a bench body (2);
the method is characterized in that: rack main part (2) include direction machine sectional fixture (3) and direction tubular column sectional fixture (4), the last surface mounting of direction machine sectional fixture (3) has direction machine (11), the last surface mounting of direction tubular column sectional fixture (4) has direction tubular column (12), electric putter (5) are installed to the one end of direction machine sectional fixture (3), pressure sensor (6) are installed through flange in the push rod department of electric putter (5), the one end in direction machine (11) is installed through joint bearing in the one end of pressure sensor (6).
2. The EPS in-loop simulation test bench for intelligent driving of automobiles according to claim 1, characterized in that: direction machine sectional fixture (3) include slip table (31) and mount pad (32), slip table (31) fixed connection is at the upper surface of rack main part (2), the upper surface sliding connection of slip table (31) has a plurality of mount pads (32), the upper end at mount pad (32) is installed in direction machine (11).
3. The EPS in-loop simulation test bench for intelligent driving of automobiles according to claim 1, characterized in that: direction tubular column sectional fixture (4) include bottom support (41), mounting bracket (42), ratch (43), movable rod platform (44), mount table (45), bottom support (41) fixed connection is at the upper surface of rack main part (2), the last sliding surface of bottom support (41) is connected with mounting bracket (42), the last surface rotation of rack main part (2) is connected with ratch (43), the one end of ratch (43) and the lower surface engagement of mounting bracket (42), movable rod platform (44) rotate to be connected at the top of mounting bracket (42), the vertical sliding surface connection of inner wall of mounting bracket (42) has mount table (45), the one end threaded connection of movable rod platform (44) is at the top of mount table (45), direction tubular column (12) are installed to the lower extreme of mount table (45).
4. The EPS in-loop simulation test bench for intelligent driving of automobiles according to claim 1, characterized in that: the lower surface of the stand main body (2) is provided with a plurality of self-locking caster wheels (21).
5. The EPS in-loop simulation test bench for intelligent driving of automobiles according to claim 2, characterized in that: the inside threaded connection of mount pad (32) has the fly leaf, the fly leaf includes the threaded rod of downside and the mounting panel at top, the mounting panel is located the upside of mount pad (32), the opening that is linked together with the fly leaf downside is seted up to the outer wall of mount pad (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210220711.4A CN114608845A (en) | 2022-03-08 | 2022-03-08 | EPS (electric Power storage) in-loop simulation test bench for intelligent driving of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210220711.4A CN114608845A (en) | 2022-03-08 | 2022-03-08 | EPS (electric Power storage) in-loop simulation test bench for intelligent driving of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114608845A true CN114608845A (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210220711.4A Pending CN114608845A (en) | 2022-03-08 | 2022-03-08 | EPS (electric Power storage) in-loop simulation test bench for intelligent driving of automobile |
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| Country | Link |
|---|---|
| CN (1) | CN114608845A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293009A (en) * | 2013-06-04 | 2013-09-11 | 重庆大学 | Device and method for testing electronic power steering system of automobile |
| CN203745211U (en) * | 2014-02-12 | 2014-07-30 | 成都孔辉汽车科技有限公司 | Steering system test bench |
| CN105241677A (en) * | 2015-09-23 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Fixing apparatus for simulation test of electric power steering system (EPS) |
| CN205656017U (en) * | 2016-05-18 | 2016-10-19 | 广东和氏自动化技术股份有限公司 | Electronic steering column performance check out test set |
| CN110375999A (en) * | 2019-06-05 | 2019-10-25 | 天津英创汇智汽车技术有限公司 | A kind of equipment tested for vehicle and components steering behaviour |
| CN111060333A (en) * | 2020-01-02 | 2020-04-24 | 浙江工业大学 | Electric power steering system performance test equipment based on industrial transport vehicle |
| CN111175058A (en) * | 2020-02-14 | 2020-05-19 | 吉林大学 | Novel test bed for electric power steering system |
| CN210923100U (en) * | 2019-09-18 | 2020-07-03 | 北京长城华冠汽车科技股份有限公司 | Supporting device |
| CN213632694U (en) * | 2020-12-10 | 2021-07-06 | 南京东华智能转向***有限公司 | Steering simulation rack for detecting comprehensive performance of automobile EPS system |
-
2022
- 2022-03-08 CN CN202210220711.4A patent/CN114608845A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293009A (en) * | 2013-06-04 | 2013-09-11 | 重庆大学 | Device and method for testing electronic power steering system of automobile |
| CN203745211U (en) * | 2014-02-12 | 2014-07-30 | 成都孔辉汽车科技有限公司 | Steering system test bench |
| CN105241677A (en) * | 2015-09-23 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Fixing apparatus for simulation test of electric power steering system (EPS) |
| CN205656017U (en) * | 2016-05-18 | 2016-10-19 | 广东和氏自动化技术股份有限公司 | Electronic steering column performance check out test set |
| CN110375999A (en) * | 2019-06-05 | 2019-10-25 | 天津英创汇智汽车技术有限公司 | A kind of equipment tested for vehicle and components steering behaviour |
| CN210923100U (en) * | 2019-09-18 | 2020-07-03 | 北京长城华冠汽车科技股份有限公司 | Supporting device |
| CN111060333A (en) * | 2020-01-02 | 2020-04-24 | 浙江工业大学 | Electric power steering system performance test equipment based on industrial transport vehicle |
| CN111175058A (en) * | 2020-02-14 | 2020-05-19 | 吉林大学 | Novel test bed for electric power steering system |
| CN213632694U (en) * | 2020-12-10 | 2021-07-06 | 南京东华智能转向***有限公司 | Steering simulation rack for detecting comprehensive performance of automobile EPS system |
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