CN106441948A - Fatigue property testing device of steering gear - Google Patents
Fatigue property testing device of steering gear Download PDFInfo
- Publication number
- CN106441948A CN106441948A CN201611048871.6A CN201611048871A CN106441948A CN 106441948 A CN106441948 A CN 106441948A CN 201611048871 A CN201611048871 A CN 201611048871A CN 106441948 A CN106441948 A CN 106441948A
- Authority
- CN
- China
- Prior art keywords
- steering gear
- test piece
- mounting seat
- longitudinal
- pressure axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
Abstract
The invention relates to a fatigue property testing device of a steering gear. The fatigue property testing device comprises a test piece worktable, screw rod sliding tables, screw rods, mounting bases, pressure shafts, a clamping device and a movable table, wherein a plurality of groups of transverse T-shaped grooves and longitudinal T-shaped grooves are formed in the test piece worktable at intervals; one group of screw rod sliding tables is arranged at each of two longitudinal ends of the test piece worktable; the clamping devices are assembled on the test piece worktable through the transverse T-shaped grooves and the longitudinal T-shaped grooves and a steering gear test piece is assembled on the clamping device; the screw rod sliding tables are provided with longitudinal sliding rails and the mounting bases are mounted on the sliding rails; one end of each screw rod is fixedly mounted on the screw rod sliding tables and the other end of each screw rod is connected with the corresponding mounting base so as to drive the mounting bases to do feeding movement along the sliding rails; the pressure shafts are mounted on the mounting bases. The fatigue property testing device of the steering gear is reasonable in structural design and can be used for carrying out a fatigue test on an automobile steering gear, and is simple in structure and good in effect.
Description
Technical field
The present invention relates to a kind of auto parts machinery detection field, more particularly, to a kind of steering gear fatigue performance test apparatus.
Background technology
Fast development with Chinese Auto Industry and the continuous aggravation competing in the industry, automobile production enterprise is faced with invariably
Meet the security of user's increasingly raising, reliability, comfortableness require, and also will accomplish cost-effective simultaneously.Comfortableness, noise,
Vibration durability be weigh auto parts and components workmanship a global question, it give automobile consumer be experienced as the most straight
See, be also one of emphasis and difficulties of Ge great car load manufacturing enterprise and parts enterprises concern the most.Meanwhile, efficiently,
Easily test method is even more an important content of automobile and parts quality research.
In automobile steering system, steering characterisitic parameter measurement is most critical and important link, and it directly affects
Comfortableness to vehicle handling stability, security and driver.During motor turning, the rigidity size of steering,
The gearratio of Dry Sliding Friction and Wear Characteristics and system is all the key factor of impact turning efficiency.The exploitation of steering gear at present is most
It is the design carrying out steering gear parameter by database and experience.For the optimization design of steering gear, conventional experiment is tested
Card method is typically with simulation calculation, and this is limited by the restriction of model accuracy, therefore often there is certain going out with material object
Enter, and cannot be verified well.Simultaneously in order to improve the precision of auto parts and components, still need to carry out after the completion of processing
Whether indices detect, qualified for judging parts.However, as directly carried out this serial parameter measurement again on automobile
Can be affected by factors such as place, engine vibration, ground frictions, Large-scale professional testing equipment floor space is big, detection efficiency
Low, put into high.
Content of the invention
Content according to background technology, present invention aim to address carrying out testing time-effectiveness rate not to automobile steering device
Problem high, that professional assay device structures are complicated, occupied ground area is big, provides that a kind of structure is simple, the steering of dependable performance
Device fatigue performance testing device.
Technical scheme is as follows：
A kind of steering gear fatigue performance test apparatus, including test piece worktable, screw mandrel slide unit, screw mandrel, mounting seat, pressure axis, folder
Hold device, traveling table；The multigroup horizontal T-slot of interval setting and longitudinal T-slot in described test piece worktable, test piece worktable is indulged
To be respectively arranged at two ends with one group of screw mandrel slide unit, mounting seat and pressure axle construction；Described clamping device by horizontal T-slot and
Longitudinal T-slot is assemblied in test piece worktable, and steering gear test specimen is assemblied on clamping device；The both sides of described screw mandrel slide unit set
There is longitudinal slide rail, described mounting seat is installed on slide rail, described screw mandrel one end is fixedly mounted on screw mandrel slide unit, another
End is connected with mounting seat bottom, and drive installation seat does feed motion along slide rail；Described pressure axis is installed in mounting seat.
Described steering gear fatigue performance test apparatus, when installing steering gear test specimen, pressure axis is with steering gear test specimen altogether
Axle.
Described mounting seat is vertically arranged on track, thereon along longitudinally offering pressure axis installing hole, described pressure
The front end of axle passes through pressure axis installing hole near test piece worktable, the front end setting force sensor of pressure axis；Described pressure
Connected by displacement transducer between the front end of axle and mounting seat.
The screw mandrel slide unit upper screw rod at described test piece worktable two ends, mounting seat, pressure axis are with test piece worktable center line
On the basis of be in mutually that specular is installed.
Described clamping device includes toroidal frame base, cannelure and trip bolt, and described toroidal frame base passes through spiral shell
Nail is fixed in the horizontal T-slot and longitudinal T-slot of traveling table, described cannelure on ring holder, described ring
On shape groove, interval is uniformly arranged more than three groups of radial screw hole, and described trip bolt is installed on screw hole, and can be along
Screw hole is in cannelure radially precessional motion.
The present invention passes through the head of bilateral coaxial line and test specimen connects, and carries out pressure applying or the clamping structure of torsion sets
Meter, can effectively mitigate steering gear test specimen and bear the situation of pressure, bending force unbalance due to monolateral clamping, more conform to vapour
Reality in car steering gear use is such that it is able to more truly reflect steering gear fatigue characterisitic parameter.
Meanwhile, the fixture of the present invention is fixed using ring screw fixture, is adapted to the steering column shaft of various different-diameters,
Its testing base is connected with crisscross T-slot traveling table by fastening screw, fixture can adjust on traveling table various not
Same position, by two groups symmetrical movable clamp the testing fatigue that mode carries out steering gear, folder when both can guarantee that experiment loads
The stability of tool, can facilitate adjustment position again, carry out the test on other directions, more traditional fatigue property test equipment, its
Precision and stability is more preferable.
The clamp structure of the present invention, convenient installation, it is easy to use, substantially increase the efficiency of test, design can be saved
Cost, simultaneously bilateral fixture can its test specimen more stable, make the security of testing stand more preferable.The design structure is simple, low cost
Honest and clean it is easy to assembling, have a wide range of applications and promotion prospect.
Brief description
Fig. 1 is the general structure schematic diagram of the present invention
Fig. 2 is the structural representation of clamping device of the present invention
Fig. 3 is the structural representation of screw mandrel slide unit of the present invention
Accompanying drawing identifies
Test piece worktable -1, screw mandrel slide unit -2, screw mandrel -3, mounting seat -4, pressure axis -5, clamping device -6, traveling table -7；Sliding
Rail -21, pressure axis installing hole -41, force snesor -51, displacement transducer -52, ring holder -64, trip bolt -65, ring
Shape frame base 66, radial screw hole 67.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
A kind of steering gear fatigue performance test apparatus, including test piece worktable 1, screw mandrel slide unit 2, screw mandrel 3, mounting seat 4, pressure axis
5th, clamping device 6, traveling table 7；A kind of steering gear fatigue performance test apparatus, including test piece worktable 1, screw mandrel slide unit 2, screw mandrel
3rd, mounting seat 4, pressure axis 5, clamping device 6, traveling table 7；The multigroup horizontal T-slot of interval setting in described test piece worktable 1
With longitudinal T-slot, test piece worktable 1 longitudinal direction be respectively arranged at two ends with one group of screw mandrel slide unit 2, mounting seat 4 and pressure axis 5 structure；
Described clamping device 6 is assemblied in test piece worktable 1 by horizontal T-slot and longitudinal T-slot, and steering gear test specimen is assemblied in folder
Hold on device 6；The both sides of described screw mandrel slide unit 2 are provided with longitudinal slide rail 21, and described mounting seat 4 is installed on slide rail, institute
Screw mandrel 3 one end stated is fixedly mounted on screw mandrel slide unit 2, and the other end is connected with mounting seat 4 bottom, and drive installation seat 4 is along cunning
Rail does feed motion；Described pressure axis 5 is installed in mounting seat 4.
Described steering gear fatigue performance test apparatus, when installing steering gear test specimen, pressure axis 5 is with steering gear test specimen altogether
Axle.
Described mounting seat 4 is vertically arranged on track, thereon along longitudinally offering pressure axis installing hole 41, described pressure
The front end of power axle 5 passes through pressure axis installing hole 41 near test piece worktable 1, the front end setting force sensor 51 of pressure axis 5；Institute
Connected by displacement transducer 52 between the front end of pressure axis 5 stated and mounting seat 4.
Screw mandrel slide unit 2 upper screw rod 3 at described test piece worktable 1 two ends, mounting seat 4, pressure axis 5 are with test piece worktable 1
It is in mutually that specular is installed on the basis of center line.
Described clamping device 6 includes toroidal frame base 66, cannelure 64 and trip bolt 65, described toroidal frame base
66 are fixed in the horizontal T-slot and longitudinal T-slot of traveling table 7 by screw, and described cannelure 64 is located at ring holder
On 64, on described cannelure 64, interval is uniformly arranged more than three groups of radial screw hole 67, and described trip bolt 65 is installed
On screw hole 67, and can be along screw hole 67 in cannelure 64 radially precessional motion.
Before test, test test specimen is installed on clamping device 6, the steering column shaft according to different-diameter selects corresponding clamping
Device 6, is symmetrical arranged rear trip bolt 65, and the length adjustment screw mandrel 3 further according to test block is so as to the pressure axis 5 of upper installation leans on
Nearly test block, the head of both sides respectively against test specimen two ends and fastens, and applies pressure or twisting resistance to steering gear, carries out fatigue
Test, force snesor 51 and displacement transducer 52 carry out Real-time Monitoring Data, need during the test doing other angles it is only necessary to pine
Open the screw of fixed clamp device 6 base, T-slot moves to relevant position and fastens and can carry out further work.
Claims (5)
1. a kind of steering gear fatigue performance test apparatus, including test piece worktable（1）, screw mandrel slide unit（2）, screw mandrel（3）, mounting seat
（4）, pressure axis（5）, clamping device（6）, traveling table（7）It is characterised in that：
Described test piece worktable（1）The upper multigroup horizontal T-slot of interval setting and longitudinal T-slot, test piece worktable（1）Longitudinal
It is respectively arranged at two ends with one group of screw mandrel slide unit（2）, mounting seat（4）And pressure axis（5）Structure；Described clamping device（6）By horizontal stroke
It is assemblied in test piece worktable to T-slot and longitudinal T-slot（1）On, steering gear test specimen is assemblied in clamping device（6）On；Described
Screw mandrel slide unit（2）Both sides be provided with longitudinal slide rail（21）, described mounting seat（4）It is installed on slide rail, described screw mandrel（3）
One end is fixedly mounted on screw mandrel slide unit（2）On, the other end and mounting seat（4）Bottom connects, drive installation seat（4）Do along slide rail
Feed motion；Described pressure axis（5）It is installed on mounting seat（4）On.
2. steering gear fatigue performance test apparatus according to claim 1 it is characterised in that：When steering gear test specimen is installed,
Pressure axis（5）Coaxial with steering gear test specimen.
3. steering gear fatigue performance test apparatus according to claim 1 it is characterised in that：Described mounting seat（4）Perpendicular
Directly it is installed on track, offer pressure axis installing hole along longitudinal thereon（41）, described pressure axis（5）Front end pass through pressure
Axle installing hole（41）Near test piece worktable（1）, pressure axis（5）Front end setting force sensor（51）；Described pressure axis
（5）Front end and mounting seat（4）Between pass through displacement transducer（52）Connect.
4. steering gear fatigue performance test apparatus according to claim 1 it is characterised in that：Described test piece worktable
（1）The screw mandrel slide unit at two ends（2）Upper screw rod（3）, mounting seat（4）, pressure axis（5）With test piece worktable（1）On the basis of center line
It is in mutually that specular is installed.
5. steering gear fatigue performance test apparatus according to claim 1 it is characterised in that：Described clamping device（6）
Including toroidal frame base（66）, cannelure（64）And trip bolt（65）, described toroidal frame base（66）Fixed by screw
In traveling table（7）Horizontal T-slot and longitudinal T-slot on, described cannelure（64）Located at ring holder（64）On, described
Cannelure（64）Upper interval is uniformly arranged more than three groups of radial screw hole（67）, described trip bolt（65）It is installed on spiral shell
Nail（67）On, and can be along screw hole（67）In cannelure（64）Radially precessional motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048871.6A CN106441948A (en) | 2016-11-25 | 2016-11-25 | Fatigue property testing device of steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048871.6A CN106441948A (en) | 2016-11-25 | 2016-11-25 | Fatigue property testing device of steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106441948A true CN106441948A (en) | 2017-02-22 |
Family
ID=58219674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611048871.6A Pending CN106441948A (en) | 2016-11-25 | 2016-11-25 | Fatigue property testing device of steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106441948A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314904A (en) * | 2017-08-04 | 2017-11-03 | 广西科技大学 | A kind of subframe fatigue test moment of flexure cancellation element |
Citations (9)
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|---|---|---|---|---|
| CN201016861Y (en) * | 2007-02-12 | 2008-02-06 | 南京汽车集团有限公司 | Diverter fatigue-testing machine |
| CN101975668A (en) * | 2010-08-30 | 2011-02-16 | 芜湖世特瑞转向系统有限公司 | Diverter fatigue test bench and operating method thereof |
| CN202149864U (en) * | 2011-06-24 | 2012-02-22 | 湖北唯思凌科装备制造有限公司 | Fatigue test bench of hydraulic power-assisted steering machine |
| CN202177519U (en) * | 2011-07-26 | 2012-03-28 | 帝斯贝思数字信号处理和控制工程有限公司 | Turning test stand used for testing turning controller |
| CN103364209A (en) * | 2013-08-02 | 2013-10-23 | 吉林省汽车零部件研发中心有限公司 | Testing device of electric power steering system |
| CN204373901U (en) * | 2015-01-13 | 2015-06-03 | 同济大学 | A kind of single Electric Motor Wheel axle load dynamic loading device |
| CN204788989U (en) * | 2015-07-24 | 2015-11-18 | 江苏罡阳转向系统有限公司 | Auto steering ware control valve experiment fixing device |
| CN205138806U (en) * | 2015-11-24 | 2016-04-06 | 荆州恒隆汽车技术(检测)中心 | Auto steering ware extreme position work endurance test platform |
| CN206862651U (en) * | 2016-11-25 | 2018-01-09 | 广西科技大学 | A kind of steering gear fatigue performance test apparatus |
-
2016
- 2016-11-25 CN CN201611048871.6A patent/CN106441948A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016861Y (en) * | 2007-02-12 | 2008-02-06 | 南京汽车集团有限公司 | Diverter fatigue-testing machine |
| CN101975668A (en) * | 2010-08-30 | 2011-02-16 | 芜湖世特瑞转向系统有限公司 | Diverter fatigue test bench and operating method thereof |
| CN202149864U (en) * | 2011-06-24 | 2012-02-22 | 湖北唯思凌科装备制造有限公司 | Fatigue test bench of hydraulic power-assisted steering machine |
| CN202177519U (en) * | 2011-07-26 | 2012-03-28 | 帝斯贝思数字信号处理和控制工程有限公司 | Turning test stand used for testing turning controller |
| CN103364209A (en) * | 2013-08-02 | 2013-10-23 | 吉林省汽车零部件研发中心有限公司 | Testing device of electric power steering system |
| CN204373901U (en) * | 2015-01-13 | 2015-06-03 | 同济大学 | A kind of single Electric Motor Wheel axle load dynamic loading device |
| CN204788989U (en) * | 2015-07-24 | 2015-11-18 | 江苏罡阳转向系统有限公司 | Auto steering ware control valve experiment fixing device |
| CN205138806U (en) * | 2015-11-24 | 2016-04-06 | 荆州恒隆汽车技术(检测)中心 | Auto steering ware extreme position work endurance test platform |
| CN206862651U (en) * | 2016-11-25 | 2018-01-09 | 广西科技大学 | A kind of steering gear fatigue performance test apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314904A (en) * | 2017-08-04 | 2017-11-03 | 广西科技大学 | A kind of subframe fatigue test moment of flexure cancellation element |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |