CN206862651U - A kind of steering gear fatigue performance test apparatus - Google Patents
A kind of steering gear fatigue performance test apparatus Download PDFInfo
- Publication number
- CN206862651U CN206862651U CN201621270688.6U CN201621270688U CN206862651U CN 206862651 U CN206862651 U CN 206862651U CN 201621270688 U CN201621270688 U CN 201621270688U CN 206862651 U CN206862651 U CN 206862651U
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- CN
- China
- Prior art keywords
- screw mandrel
- steering gear
- mounting seat
- slot
- test piece
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
It the utility model is related to a kind of steering gear fatigue performance test apparatus, including test piece worktable, screw mandrel slide unit, screw mandrel, mounting seat, pressure axis, clamping device, traveling table；Multigroup horizontal T-slot and longitudinal T-slot are arranged at intervals in described test piece worktable, the both ends of test piece worktable longitudinal direction are respectively equipped with one group of screw mandrel slide unit；Described clamping device is assemblied in test piece worktable by horizontal T-slot and longitudinal T-slot, and steering gear test specimen is assemblied on clamping device；Described screw mandrel slide unit is provided with the slide rail of longitudinal direction, and described mounting seat is installed on slide rail, and described screw mandrel one end is fixedly mounted on screw mandrel slide unit, and the other end is connected with mounting seat, and drive installation seat does feed motion along slide rail；Described pressure axis is installed in mounting seat.The utility model is reasonable in design, can carry out testing fatigue to automobile steering device, simple in construction, effect is good.
Description
Technical field
It the utility model is related to a kind of auto parts machinery detection field, more particularly to a kind of steering gear fatigue performance test dress
Put.
Background technology
With the fast-developing of Chinese Auto Industry and the continuous aggravation competed in the industry, automobile production enterprise is faced with invariably
Meet that security, reliability, comfortableness that user increasingly improves require, while also to accomplish to save cost.Comfortableness, noise,
Vibration durability be weigh auto parts and components workmanship a global question, it to automobile consumer be experienced as it is most straight
See, and one of the emphasis paid close attention to the most of major vehicle manufacturing enterprise and parts enterprises and difficulties.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 is directly affected
To vehicle handling stability, security and the comfortableness of driver.During motor turning, the rigidity size of steering,
The gearratio of Dry Sliding Friction and Wear Characteristics and system is all an important factor for influenceing turning efficiency.The exploitation of steering gear at present is most
It is the design that steering gear parameter is carried out by database and experience.For the optimization design of steering gear, conventional experiment is tested
Card method is typically to use simulation calculation, and this is limited by the limitation of model accuracy, therefore often there is certain to go out with material object
Enter, and can not 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
Indices detect, for judging whether parts are qualified.However, directly carry out the serial parameter measurement again such as on automobile
It can be influenceed by factors such as place, engine vibration, ground frictions, Large-scale professional detection device floor space is big, detection efficiency
Low, input is high.
Utility model content
The content according to background technology, the purpose of this utility model are that solve carrying out testing time-effectiveness to automobile steering device
The problem of rate is not high, professional assay device structures are complicated, occupied ground area is big, there is provided a kind of simple in construction, dependable performance
Steering gear fatigue performance test apparatus.
The technical solution of the utility model 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
Axle, clamping device, traveling table；Multigroup horizontal T-slot and longitudinal T-slot, test specimen work are arranged at intervals in described test piece worktable
The both ends for making platform longitudinal direction are respectively equipped with one group of screw mandrel slide unit, mounting seat and pressure axle construction；Described clamping device passes through horizontal T
Type groove and longitudinal T-slot are assemblied in test piece worktable, and steering gear test specimen is assemblied on clamping device；Described screw mandrel slide unit
Both sides are provided with the slide rail of longitudinal direction, and described mounting seat is installed on slide rail, and described screw mandrel one end is fixedly mounted on screw mandrel slide unit
On, the other end is connected with mounting seat bottom, and drive installation seat does feed motion along slide rail；Described pressure axis is installed on installation
On seat.
Described steering gear fatigue performance test apparatus, when installing steering gear test specimen, pressure axis is total to steering gear test specimen
Axle.
Described mounting seat is vertically arranged on track, offers pressure shaft mounting hole, described pressure along longitudinal direction thereon
The front end of axle sets force sensor through pressure shaft mounting hole close to test piece worktable, the front end of pressure axis；Described pressure
Connected between the front end of axle and mounting seat by displacement transducer.
The screw mandrel slide unit upper screw rod at described test piece worktable both ends, mounting seat, pressure axis are with test piece worktable center line
On the basis of mutually in specular install.
Described clamping device includes toroidal frame base, ring holder and trip bolt, and described toroidal frame base leads to
Screw to be crossed to be fixed in the horizontal T-slot and longitudinal T-slot of traveling table, described annular brace is set up on toroidal frame base,
Interval is uniformly arranged more than three groups of radial screw hole on described ring holder, and described trip bolt is installed on screw hole
On, and can be along screw hole in ring holder radially precessional motion.
The present invention is connected by the head and test specimen of bilateral coaxial line, and the clamping structure for carrying out pressure application or torsion is set
Meter, can effectively mitigate steering gear test specimen because pressure, the unbalanced situation of bending power are born in unilateral clamping, more conform to vapour
Reality in car steering gear use, so as to more truly reflect steering gear fatigue characterisitic parameter.
Meanwhile fixture of the invention is fixed using ring screw fixture, is adapted to the steering column shaft of various different-diameters,
Its testing base is connected by fastening screw with crisscross T-slot traveling table, fixture can be adjusted on traveling table it is various not
Same position, by two groups of symmetrical movable testing fatigues for clamping mode and carrying out steering gear, pressed from both sides when both can guarantee that experiment loading
The stability of tool, and can facilitate adjustment position, 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, is easy to use, substantially increases the efficiency of test, can save design
Cost, at the same bilateral fixture can its more stable test specimen, make the security of testing stand more preferable.The design is simple in construction, cost is low
It is honest and clean, it is easily assembled, has a wide range of applications and promotion prospect.
Brief description of the drawings
Fig. 1 is general structure schematic diagram of the present utility model
Fig. 2 is the structural representation of the utility model clamping device
Fig. 3 is the structural representation of the utility model screw mandrel slide unit
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；
Slide rail -21, pressure shaft mounting hole -41, force snesor -51, displacement transducer -52, ring holder -64, trip bolt -65,
Toroidal frame base 66, radial screw hole 67.
Embodiment
The utility model is described in further detail 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
Power axle 5, 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 3, mounting seat 4, pressure axis 5, clamping device 6, traveling table 7；Multigroup horizontal T is arranged at intervals in described test piece worktable 1
Type groove and longitudinal T-slot, the both ends of the longitudinal direction of test piece worktable 1 are respectively equipped 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, steering gear test specimen dress
Assigned on clamping device 6；The both sides of described screw mandrel slide unit 2 are provided with the slide rail 21 of longitudinal direction, and described mounting seat 4 is installed on slide rail
On, described one end of screw mandrel 3 is fixedly mounted on screw mandrel slide unit 2, and the other end is connected with the bottom of mounting seat 4, the edge of drive installation seat 4
Slide rail and do 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 total to steering gear test specimen
Axle.
Described mounting seat 4 is vertically arranged on track, offers pressure shaft mounting hole 41, described pressure along longitudinal direction thereon
The front end of power axle 5 sets force sensor 51 through pressure shaft mounting hole 41 close to test piece worktable 1, the front end of pressure axis 5；
Connected between the front end of described pressure axis 5 and mounting seat 4 by displacement transducer 52.
The upper screw rod 3 of screw mandrel slide unit 2 at the described both ends of test piece worktable 1, mounting seat 4, pressure axis 5 are with test piece worktable 1
Mutually installed on the basis of center line in specular.
Described clamping device 6 includes toroidal frame base 66, ring holder 64 and trip bolt 65, described toroidal frame
Base 66 is fixed in the horizontal T-slot and longitudinal T-slot of traveling table 7 by screw, and described ring holder 64 is located at ring
On shape frame base 66, interval is uniformly arranged more than three groups of radial screw hole 67 on described ring holder 64, and described is tight
Gu screw 65 is installed on screw hole 67, and can be along screw hole 67 in the radially precessional motion of ring holder 64.
Before test, the installation test test specimen on clamping device 6, according to clamping corresponding to the selection of the steering column shaft of different-diameter
Device 6, rear trip bolt 65 is symmetrical arranged, further according to the length adjustment screw mandrel 3 of test block, the pressure axis 5 for making to install thereon leans on
Nearly test block, the head of both sides respectively against test specimen two ends and fasten, and apply pressure or twisting resistance to steering gear, carry out fatigue
Test, force snesor 51 and displacement transducer 52 carry out Real-time Monitoring Data, it is necessary to when doing the test of other angles, it is only necessary to pine
The screw of the base of fixed clamping device 6 is opened, relevant position is moved in T-slot and is fastened 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 multigroup horizontal T-slot of upper interval setting and longitudinal T-slot, test piece worktable（1）Longitudinal direction
Both ends are respectively equipped with one group of screw mandrel slide unit（2）, mounting seat（4）And pressure axis（5）Structure；Described clamping device（6）Pass through horizontal stroke
Test piece worktable is assemblied in 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 direction 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）Done 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）It is 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）It is perpendicular
Directly it is installed on track, offers pressure shaft mounting hole along longitudinal direction thereon（41）, described pressure axis（5）Front end pass through pressure
Shaft mounting hole（41）Close to test piece worktable（1）, pressure axis（5）Front end set force sensor（51）；Described pressure axis
（5）Front end and mounting seat（4）Between pass through displacement transducer（52）Connection.
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 both ends（2）Upper screw rod（3）, mounting seat（4）, pressure axis（5）With test piece worktable（1）On the basis of center line
Mutually installed in specular.
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）, ring holder（64）And trip bolt（65）, described toroidal frame base（66）Pass through screw
It is fixed on traveling table（7）Horizontal T-slot and longitudinal T-slot on, described ring holder（64）Located at toroidal frame base
（66）On, described ring holder（64）Upper interval is uniformly arranged more than three groups of radial screw hole（67）, described fastening
Screw（65）It is installed on screw hole（67）On, and can be along screw hole（67）In ring holder（64）Radially precessional motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270688.6U CN206862651U (en) | 2016-11-25 | 2016-11-25 | A kind of steering gear fatigue performance test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270688.6U CN206862651U (en) | 2016-11-25 | 2016-11-25 | A kind of steering gear fatigue performance test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206862651U true CN206862651U (en) | 2018-01-09 |
Family
ID=60814888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621270688.6U Expired - Fee Related CN206862651U (en) | 2016-11-25 | 2016-11-25 | A kind of steering gear fatigue performance test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206862651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441948A (en) * | 2016-11-25 | 2017-02-22 | 广西科技大学 | Fatigue property testing device of steering gear |
-
2016
- 2016-11-25 CN CN201621270688.6U patent/CN206862651U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441948A (en) * | 2016-11-25 | 2017-02-22 | 广西科技大学 | Fatigue property testing device of steering gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20211125 |