CN201811853U - Single-wheel flat plate-type suspension parameter detecting device - Google Patents
Single-wheel flat plate-type suspension parameter detecting device Download PDFInfo
- Publication number
- CN201811853U CN201811853U CN2009200488664U CN200920048866U CN201811853U CN 201811853 U CN201811853 U CN 201811853U CN 2009200488664 U CN2009200488664 U CN 2009200488664U CN 200920048866 U CN200920048866 U CN 200920048866U CN 201811853 U CN201811853 U CN 201811853U
- Authority
- CN
- China
- Prior art keywords
- casing
- cover plate
- bolt
- nut
- wheel
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to an automotive suspension parameter detecting device, in particular to a single-wheel flat plate-type suspension parameter detecting device which is used for detecting the efficiency, the damping ratio, the left-right wheel suspension efficiency difference and the natural frequency of an automotive suspension. The utility model structurally comprises a detection bench with two force sensors, a charge amplifier, an A/D converter, a control computer and a direct current power source. The utility model is characterized in that steel balls are arranged between the force sensors and the cover board of the detection bench and can rotate freely, so as to eliminate the horizontal component force. The utility model has the characteristics of no noise during operation, low overall manufacturing cost, small size and light weight, is easy to operate, and is very convenient to move.
Description
Technical field
What the flat suspension parameter detector of the utility model single-wheel related to is a kind of automotive suspension parameter detection device.
Background technology
Present stage, the mandatory standard GB 18565-2001 of China " the commerial vehicle combination property requires and the method for inspection " classifies suspension parameter as the measurement project, testing result can reflect the riding comfort and the ride performance of automobile, and is especially for the dilly of running at high speed, all the more so.The principle of work that detects the method institute foundation of automotive suspension parameter has two classes, frequency sweep exciting and plan pulse excitation.The former utilizes accumulated energy flywheel reduction of speed frequency sweep, detects the vibration signal of monitor station in the frequency sweep exciting process, equals suspension-wheel system natural frequency place at the flywheel rotating speed, monitor station-wheel-suspension three resonance.The latter is intended the finite bandwidth character of pulse excitation in frequency domain, in suspension-wheel system, detects the vibration response signal of this system in the plan pulse excitation process with the incentive action of enough macro-energy.The detection that the pulse excitation principle realizes the automotive suspension parameter is intended in the utility model utilization.
Summary of the invention
The purpose of this utility model provides the flat suspension parameter detector of a kind of single-wheel, when employing comes from the pressing of intending the pulse excitation principle, can measure suspension parameters such as automotive suspension efficient, suspension damping ratio, L-R wheel suspension efficient difference and suspension natural frequency easily.
The flat suspension parameter detector of the utility model single-wheel is to adopt following scheme to realize: comprise monitor station, charge amplifier, A/D converter, control computer, direct supply that force transducer is housed; Monitor station is made up of casing, upslope, downslope three parts, and the inclined-plane of upslope and downslope and the angle of horizontal direction are less than 45 degree, and the single wheel of convenient detected vehicle reaches and sail down monitor station reposefully; Cover plate is installed on the monitor station, and cover plate bears from the horizontal component of the single wheel of detected vehicle and vertical stress component; Be that fixed hinge connects between the cover plate on the monitor station and the casing of monitor station, cover plate can freely overturn; Open cover plate and promptly can be observed two force transducers that are installed under it, convenient installation and inspection force transducer; Adopt steel ball self-alignment supporting way to keep both to contact between the cover plate of force transducer and monitor station, steel ball can freely rotate, thereby prevents to be delivered on the force transducer from the horizontal component of detected vehicle; On the left and right sidewall of monitor station handle is installed, operating personnel utilize this handle position of mobile monitor station independently; The A/D converter that is adopted has two passages, and the A/D conversion accuracy is 8, and the A/D sample frequency is 50 hertz; The ultra-weak electronic signal that force sensor measuring obtains through the amplification of charge amplifier and the sampling of A/D converter, transfers to control computer; TT﹠C software has been installed on the control computer, be responsible for the obtaining of parameter setting, force sensor measuring data, each suspension parameter of A/D converter calculating, detect the generation of form.
The course of work of the flat suspension parameter detector of the utility model single-wheel is as follows: (1) is slowly reached vehicle to be detected and is come to a complete stop behind the monitor station flame-outly, manually pushes the car body excitation based on intending the pulse excitation principle, adopting; When (2) pushing car body, the monitor station cover plate is delivered to steel ball with suspension-wheel system vibration force of experiencing, is delivered to two force transducers then; (3) force transducer is transformed to charge signal to detected suspension-wheel system vibration force, is transformed to analog voltage signal by charge amplifier, is changed to digital signal by A/D converter, finally transfers to control computer; (4) in control computer, the parameter that collects is analyzed, can be calculated suspension efficient, suspension damping ratio, the suspension natural frequency of tested vehicle by measurement and control program; (5) according to the method described above, obtain the suspension efficient of the revolver and the right wheel of tested vehicle respectively, it is poor to obtain L-R wheel suspension efficient according to relevant formula calculating.
The principal feature of the flat suspension parameter detector of the utility model single-wheel has:
1, adopt steel ball self-alignment supporting way to keep both to contact between the cover plate of force transducer and monitor station, steel ball can freely rotate, can ensure that two force transducers only are subjected to the vibration force of vertical direction, prevent to be delivered on the force transducer, thereby guaranteed the detection accuracy and the serviceable life of force transducer from the horizontal component of detected vehicle.
2, the monitor station cover plate is responsible for transmitting the effect of suspension-wheel system response signal to force transducer, does not participate in vibration, so the physical construction requirement of strength can reduce greatly.
3, adopt the A/D converter of low gear, it is very cheap that price of complete machine just can be done.
4, compare with automotive suspension parameter detecting instrument, almost do not have noise during the utility model work, help workman's operation based on the frequency sweep excitation principle.
5, on the left and right sidewall of monitor station handle is installed, operating personnel utilize this handle position of mobile monitor station independently, and the monitor station volume is little in light weight, mobile very convenient.
In sum, the utlity model has that simple to operate, work the time does not have that noise, complete machine are cheap, volume little in light weight, move characteristics very easily.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is that the flat suspension parameter detector of single-wheel totally constitutes synoptic diagram, annexation and signal transitive relation between main detection of expression platform, charge amplifier, A/D converter, control computer, the direct supply.
Fig. 2 is the front view of the monitor station of the flat suspension parameter detector of single-wheel, position and the interconnected relationships of parts on front view such as the upslope of main detection of expression platform, downslope, casing.Comprise downslope 1, casing 3, cover plate 7, upslope 9, cover plate pulling eye 15, handle 5,12, bolt 2,8,10,14, screw 4,6,11,13.
Fig. 3 is the cross section view of Fig. 2 along the A-A symmetrical center line, replenishes position and the interconnected relationship in monitor station inside such as the parts of expressing upslope, downslope, casing.Comprise crossbeam 20, force transducer combination 21, cable trough 24, bolt 25, angle bar 16,27, nut 17,26,18,23, double- screw bolt 19,22.
Fig. 4 is the upward view of Fig. 2, position and the interconnected relationships of parts on upward view such as the upslope of additional expression monitor station, downslope, casing. Comprise sensor combinations 28,21, nut 29,31,32,35,39,42, cable trough 33, angle bar 30,38, sleeve 34,36,40,41, bolt 37.
Fig. 5 is the cut-open view of force transducer combination 21, mainly expresses the mutual alignment and the annexation of steel ball seat 21-1, steel ball 21-2, force transducer 21-3 and crossbeam 20.
Embodiment
With reference to accompanying drawing 1～5, the embodiment of the flat suspension parameter detector of the utility model single-wheel comprises monitor station, charge amplifier, A/D converter, control computer, the direct supply that force transducer is housed.
The monitor station of the flat suspension parameter detector of single-wheel has symmetrical structure, is made up of upslope 9, casing 3, downslope 1 three parts.Upslope 9 is connected with casing 3 by bolt 8, nut 26, angle bar 27 in a side; Upslope 9 is connected with casing 3 by bolt 10, nut 39, angle bar 38 at opposite side.Downslope 1 is connected with casing 3 by bolt 14, nut 29, angle bar 30 in a side; Downslope 9 is connected with casing 3 by bolt 2, nut 17, angle bar 16 at opposite side.Angle bar and casing weld together, and have through hole on the angle bar, and the bolt that plays fixation passes from this through hole.The inclined-plane of upslope 9 and downslope 1 and the angle of horizontal direction are all less than 45 degree, thereby the single wheel of convenient detected vehicle reaches and sail down monitor station reposefully.Casing 3 both sides have cable trough 24 and cable trough 33, and the cable of favourable connection force transducer and charge amplifier passes, convenient wiring.
Handle 5 is installed in casing 3 one sides of monitor station by screw 6 and 4, and handle 12 is installed in the opposite side of casing 3 by screw 11 and 13.Operating personnel utilize handle 5 and 12 position of mobile monitor station independently.
One end of cover plate 7 is connected with casing 3 by two fixed hinge structures; Fixed hinge structure is made of the sleeve 34 that is welded on sleeve 36 on the cover plate 7, bolt 37, nut 35, be welded on the casing 3; Another fixed hinge structure is made of the sleeve 41 that is welded on sleeve 40 on the cover plate 7, bolt 25, nut 42, be welded on the casing 3.The other end of cover plate 7 is supported in the force transducer combination 21,28.Cover plate 7 bears from the horizontal component of the single wheel of detected vehicle and vertical stress component.Because be that fixed hinge connects, cover plate 7 can freely overturn, open cover plate 7 and promptly can be observed two force transducer combinations 21 and 28 that are installed under it, convenient installation and inspection force transducer.
With reference to accompanying drawing 1～5, at first automobile to be detected is slowly reached by upslope 9 and come to a complete stop behind the monitor station flame-outly, the wheel of automobile one side is positioned on the cover plate 7; Manually push the car body excitation then, force transducer is transformed to charge signal to detected suspension-wheel system vibration force, is transformed to analog voltage signal by charge amplifier, is changed to digital signal by A/D converter, finally transfers to control computer; In control computer, the parameter that collects is analyzed, can be calculated suspension efficient, suspension damping ratio, the suspension natural frequency of tested vehicle by measurement and control program; According to the method described above, obtain the suspension efficient of the revolver and the right wheel of tested vehicle respectively, it is poor to obtain L-R wheel suspension efficient according to relevant formula calculating.
Claims (3)
1. flat suspension parameter detector of novel single-wheel, it comprises monitor station, charge amplifier, A/D converter, control computer, the direct supply that force transducer is housed, and the monitor station of the flat suspension parameter detector of single-wheel is made up of upslope (9), casing (3), downslope (1) three parts; Upslope (9) is connected with casing (3) by bolt (8), nut (26), angle bar (27) in a side; Upslope (9) is connected with casing (3) by bolt (10), nut (39), angle bar (38) at opposite side; Downslope (1) is connected with casing (3) by bolt (14), nut (29), angle bar (30) in a side; Downslope (1) is connected with casing (3) by bolt (2), nut (17), angle bar (16) at opposite side; Angle bar and casing weld together, and have through hole on the angle bar, and the bolt that plays fixation passes from this through hole; Casing (3) both sides have cable trough (24) and cable trough (33); Handle (5) is installed in casing (3) one sides of monitor station by screw (6,4), and handle (12) is installed in the opposite side of casing (3) by screw (11,13); One end of cover plate (7) is connected with casing (3) by two fixed hinge structures; Fixed hinge structure by be welded on sleeve (36), bolt (37), the nut (35) on the cover plate (7), the sleeve (34) that is welded on the casing (3) constitutes; Another fixed hinge structure is made of the sleeve (41) that is welded on sleeve (40), bolt (25), nut (42) on the cover plate (7), be welded on the casing (3); The other end of cover plate (7) is supported in the force transducer combination (21,28); Cover plate (7) bears horizontal component and the vertical stress component from the single wheel of detected vehicle; Because be that fixed hinge connects, cover plate (7) can freely overturn, open cover plate (7) and promptly can be observed two the force transducer combinations (21,28) that are installed under it; Force transducer combination (21,28) adopts engage thread to be fixed on the crossbeam (20); One end of crossbeam (20) is installed on the casing (3) by nut (23,18) and the double-screw bolt (19,22) that is welded on the casing (3), and the other end of crossbeam (20) is installed on the casing (3) by nut (31,32) and the double-screw bolt that is welded on the casing (3); Contact by steel ball seat (21-1) and steel ball (21-2) between the cover plate (7) of force transducer (21-3) and monitor station, in the steel ball seat (21-1) lubricating oil is arranged, steel ball (21-2) can freely roll therein.
2. the flat suspension parameter detector of single-wheel according to claim 1, the angle that it is characterized in that the inclined-plane of the upslope (9) of monitor station and downslope (1) and horizontal direction is all less than 45 degree.
3. the flat suspension parameter detector of single-wheel according to claim 1 is characterized in that the A/D converter that is adopted has two passages, and the A/D conversion accuracy is 8, and the A/D sample frequency is 50 hertz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200488664U CN201811853U (en) | 2009-10-30 | 2009-10-30 | Single-wheel flat plate-type suspension parameter detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200488664U CN201811853U (en) | 2009-10-30 | 2009-10-30 | Single-wheel flat plate-type suspension parameter detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201811853U true CN201811853U (en) | 2011-04-27 |
Family
ID=43894793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200488664U Expired - Fee Related CN201811853U (en) | 2009-10-30 | 2009-10-30 | Single-wheel flat plate-type suspension parameter detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201811853U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502124A (en) * | 2014-12-15 | 2015-04-08 | 安徽合力股份有限公司 | Device for forklift frame endurance test |
| CN109203898A (en) * | 2017-07-06 | 2019-01-15 | 罗伯特·博世有限公司 | The exercise data processing module and system of suspension related elements |
| CN109900423A (en) * | 2017-12-08 | 2019-06-18 | 凯迈(洛阳)机电有限公司 | A kind of torque sensor calibration calibrating installation and its reinforcing component |
-
2009
- 2009-10-30 CN CN2009200488664U patent/CN201811853U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502124A (en) * | 2014-12-15 | 2015-04-08 | 安徽合力股份有限公司 | Device for forklift frame endurance test |
| CN104502124B (en) * | 2014-12-15 | 2017-09-26 | 安徽合力股份有限公司 | Device for forklift frame endurancing |
| CN109203898A (en) * | 2017-07-06 | 2019-01-15 | 罗伯特·博世有限公司 | The exercise data processing module and system of suspension related elements |
| CN109900423A (en) * | 2017-12-08 | 2019-06-18 | 凯迈(洛阳)机电有限公司 | A kind of torque sensor calibration calibrating installation and its reinforcing component |
| CN109900423B (en) * | 2017-12-08 | 2021-09-03 | 凯迈(洛阳)机电有限公司 | Calibrating device for torque sensor calibration and force application assembly thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201161592Y (en) | Rail smooth degree detecting vehicle | |
| CN104359691B (en) | Rail truck power Wheel set detecting assay device | |
| CN201740613U (en) | Integral sensor of agricultural machinery torque and traction telemetering system | |
| CN2869109Y (en) | Portable drop hammer benkelman beams deflectometer | |
| CN202033137U (en) | Force sensor for automotive body suspension bracket | |
| CN201811853U (en) | Single-wheel flat plate-type suspension parameter detecting device | |
| CN202442831U (en) | Wheel bearing pulling-out force testing device | |
| CN201824806U (en) | Warning system for loosening of automobile wheels | |
| CN201897530U (en) | Detection table of automobile suspension device | |
| CN1619269A (en) | Railroad rail stress testing method | |
| CN105606378A (en) | Test bed for braking performance of automobile/train | |
| CN203053421U (en) | Bearing bush wall thickness automation measurement apparatus | |
| CN102879134A (en) | Wireless detection device for train wheel-rail contact force | |
| CN105910824A (en) | System for evaluating reliability of bogie rolling bearing based on offline state vibration characteristics | |
| CN206161222U (en) | Rack internal resistance measuring device based on counter -force type cylinder brake test bench | |
| CN201072357Y (en) | Axes measuring dynamic automatic electric light track weighbridge | |
| CN202209989U (en) | Double-wheel counter-weight adjustable type tyre road noise detecting trailer | |
| CN202463673U (en) | Load self-measuring system for cargo vehicles | |
| CN110220594B (en) | Mobile platform and vibration detection system based on distributed synchronous acquisition | |
| CN206450540U (en) | One kind automation reisilometer calibrating installation | |
| CN202024848U (en) | Simple on-line detection instrument for belt tension of engine | |
| CN205178557U (en) | Electronic cycle racing debug system | |
| CN208937223U (en) | A kind of transmission sliding tooth wheel flywheel moment self-operated measuring unit | |
| CN201051126Y (en) | Portable silicon steel inter-layer resistance testing device | |
| CN203299007U (en) | Calibration tool for car suspension system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20131030 |