CN207423548U - Wheel radial direction fatigue test strain detection testing device - Google Patents
Wheel radial direction fatigue test strain detection testing device Download PDFInfo
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- CN207423548U CN207423548U CN201721262449.0U CN201721262449U CN207423548U CN 207423548 U CN207423548 U CN 207423548U CN 201721262449 U CN201721262449 U CN 201721262449U CN 207423548 U CN207423548 U CN 207423548U
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- wheel
- fatigue test
- rotor
- radial direction
- testing device
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Abstract
The utility model provides a kind of wheel radial direction fatigue test strain detection testing device, is related to wheel test detecting equipment technical field, and including several foil gauges, conducting slip ring and test equipment, the foil gauge correspondence is attached on the spoke of wheel to be measured；The conducting slip ring includes the stator and rotor that are electrical connected, the lead of the foil gauge is connected with rotor, the stator is connected by conducting wire with test equipment, and the conducting slip ring is arranged on lateral wheel to be measured, and the mounting surface of the wheel to be measured is connected with the shaft of radial fatigue test machine.The utility model changes the transmission mode of strain signal, and the strain signal of foil gauge acquisition is transmitted to stator by the rotor of conducting slip ring on swivel wheel, and test equipment is recycled to be recorded and analyzed, and realizes the function of on-line monitoring swivel wheel strain.
Description
Technical field
The utility model belongs to wheel test detecting equipment technical field, is to be related to a kind of wheel radially more specifically
Fatigue test strain detection testing device.
Background technology
Radial direction fatigue test is to evaluate one of three big experiments of automotive wheel performance.It is produced by wheel during detecting experiment
Raw strain, the weak location determined with finite element analysis are compared, and can effectively be determined the accuracy of sunykatuib analysis, are
Improve product structure design, enhancing research and development ability provides strong basis.
Common strain testing instrument is to connect the collection terminal of strain signal by signal wire with receiving terminal, you can realizing should
Become detection.Signal wire is directly connected to wheel by strain testing of the wheel under remains stationary state using above-mentioned strain detector
With strain testing can be realized.Since this strain testing instrument is in test carriage wheel radial repeated strain, reception signal terminal is
Remains stationary.And wheel is in rotation status in testing, if using this strain testing instrument, wheel rotation will be so that letter
Number line is wound mutually, and can not continue to detect.Therefore, it is general to have line testing device that realize answering for acquisition swivel wheel
Become.
Utility model content
The purpose of this utility model is to provide a kind of wheel radial direction fatigue test strain detection testing device, to solve existing skill
The technical issues of wheel radial direction repeated strain under rotation status can not be detected present in art.
To achieve the above object, the technical solution adopted in the utility model is：There is provided a kind of wheel radial direction fatigue test should
Become test device, including several foil gauges, conducting slip ring and test equipment, the foil gauge correspondence is attached to the wheel of wheel to be measured
On spoke；The conducting slip ring includes the stator and rotor that are electrical connected, and the lead of the foil gauge is connected with rotor, the stator
Be connected by conducting wire with test equipment, the conducting slip ring is arranged on lateral wheel to be measured, the mounting surface of the wheel to be measured with
The shaft of radial fatigue test machine is connected.
Preferably, the wheel to be measured is fixedly linked by the shaft of terminal pad and radial fatigue test machine, the conduction
The rotor of slip ring is connected by lengthening screw rod with terminal pad, and the lengthening screw rod is set through rotor and wheel center hole to be measured,
The lengthening screw rod end is threadedly coupled with terminal pad center screw.
Preferably, the conducting slip ring is equipped with rotor retaining ring close to wheel one end to be measured, and the lead of the foil gauge is in
Two strands are connected through via on rotor retaining ring with rotor.
Preferably, the rotor retaining ring surrounding is radially provided with jackscrew, and rotor retaining ring is fixed on lengthening by jackscrew
On screw rod.
Preferably, the terminal pad is connected by the shaft of bolt and radial fatigue test machine.
Preferably, the stator outer end is equipped with counterweight.
Preferably, the foil gauge is resistance strain plate.
Preferably, the test equipment includes strain testing instrument and computer, using strain testing instrument to wheel to be detected
Radial direction dynamic strain be detected, analyzed by computer and export the test data of strain testing instrument.
The advantageous effect of wheel radial direction fatigue test strain detection testing device provided by the utility model is：With the prior art
It compares, the utility model wheel radial direction fatigue test strain detection testing device changes the transmission mode of strain signal, swivel wheel
The strain signal of upper foil gauge acquisition is transmitted to stator by the rotor of conducting slip ring, is recorded and analyzed using test equipment,
Realize the function of on-line monitoring swivel wheel strain.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram for the wheel radial direction fatigue test strain detection testing device that the utility model embodiment provides；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the B direction views of wheel to be detected in Fig. 1；
Wherein, each reference numeral in figure：
1- foil gauges, 2- conducting slip rings, 3- test equipments, 4- wheels to be detected, 5- spokes, 6- stators, 7- leads, 8- are led
Line, 9- shafts, 10- terminal pads, 11- lengthen screw rod, 12- rotor retaining rings, 13- jackscrews, 14- counterweights.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and advantageous effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, are further elaborated the utility model.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
Also referring to Fig. 1-Fig. 3, now to wheel radial direction fatigue test strain detection testing device provided by the utility model into
Row explanation.The wheel radial direction fatigue test strain detection testing device, including several foil gauges 1, conducting slip ring 2 and test equipment
3, the correspondence of foil gauge 1 is attached on the spoke 5 of wheel 4 to be measured；The conducting slip ring 2 includes the stator 6 being electrical connected and turns
Son, the lead 7 of the foil gauge 1 are connected with rotor, and the stator 6 is connected by conducting wire 8 with test equipment 3, described conductive sliding
Ring 2 is arranged on 4 outside of wheel to be measured, and the mounting surface of the wheel 4 to be measured is connected with the shaft 9 of radial fatigue test machine.Pass through
Conducting slip ring changes the transmission mode of strain signal, and the strain signal of foil gauge acquisition passes through conducting slip ring on swivel wheel
Rotor is transmitted to stator, and wire transmission to test equipment is recycled to be recorded and analyzed, and realizing on-line monitoring swivel wheel should
The function of change.
As a kind of specific embodiment provided by the utility model, the wheel 4 to be measured passes through terminal pad 10 and radial direction
The shaft 9 of fatigue tester is fixedly linked, and the rotor of the conducting slip ring 2 is connected by lengthening screw rod 11 with terminal pad 10, institute
It states and lengthens screw rod 11 through rotor and the setting of 4 centre bore of wheel to be measured, it is described to lengthen 11 end of screw rod and 10 center spiral shell of terminal pad
Hole is threadedly coupled.Conducting slip ring is fixed by screw rod is lengthened, realizes the synchronous rotary of rotor and wheel, while ensure that conduction
The mounting stability of slip ring.
Referring to Fig. 2, in order to avoid the lead being connected with foil gauge is differentiated unclear, two strands can be divided by institute is leaded, institute
It states conducting slip ring 2 and is equipped with rotor retaining ring 12 close to 4 one end of wheel to be measured, the lead 7 of the foil gauge 1 passes through rotor in two strands
Via is connected with rotor in retainer ring 12.Wherein, 12 surrounding of rotor retaining ring is radially provided with jackscrew 13, and jackscrew is four；
Rotor retaining ring 12 is fixed on by jackscrew 13 and is lengthened on screw rod 11, realizes being relatively fixed for lead and rotor.
In order to facilitate dismounting, the terminal pad 10 is connected by the shaft 9 of bolt and radial fatigue test machine.
Referring to Fig. 1,2, as a kind of specific embodiment provided by the utility model, 6 outer end of stator, which is connected with, matches somebody with somebody
Weigh 14.Stator is located in fixed position using counterweight, avoids rotating with rotor rotation, causes what is be connected with test equipment
Conducting wire is wound.
Wherein, the foil gauge 1 is resistance strain plate.The test equipment 3 includes strain testing instrument and computer, profit
The radial direction dynamic strain of wheel to be detected is detected with strain testing instrument, is analyzed by computer and exports strain testing instrument
Test data.
In conclusion wheel radial direction fatigue test strain detection testing device provided by the utility model is compared with prior art,
Have the advantages that it is simple in structure, easy to operate, can realize swivel wheel during radial direction fatigue test dynamic strain
Line detects, and improves the accuracy of detection and work efficiency of wheel strain, and the structure design to improve wheel provides effective foundation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. wheel radial direction fatigue test strain detection testing device, it is characterised in that：Including several foil gauges, conducting slip ring and test
Equipment, the foil gauge correspondence are attached on the spoke of wheel to be measured；The conducting slip ring includes the stator and rotor that are electrical connected,
The lead of the foil gauge is connected with rotor, and the stator is connected by conducting wire with test equipment, and the conducting slip ring is arranged on
Lateral wheel to be measured, the mounting surface of the wheel to be measured are connected with the shaft of radial fatigue test machine.
2. wheel radial direction fatigue test strain detection testing device as described in claim 1, it is characterised in that：The wheel to be measured leads to
The shaft for crossing terminal pad and radial fatigue test machine is fixedly linked, and the rotor of the conducting slip ring is by lengthening screw rod and terminal pad
It is connected, the lengthening screw rod is set through rotor and wheel center hole to be measured, and the lengthening screw rod end is with being connected disk center's spiral shell
Hole is threadedly coupled.
3. wheel radial direction fatigue test strain detection testing device as claimed in claim 2, it is characterised in that：The conducting slip ring leans on
Nearly wheel one end to be measured is equipped with rotor retaining ring, and the lead of the foil gauge is connected through via on rotor retaining ring with rotor.
4. wheel radial direction fatigue test strain detection testing device as claimed in claim 3, it is characterised in that：The rotor retaining ring
Surrounding is radially provided with jackscrew, is fixed on rotor retaining ring by jackscrew and lengthens on screw rod.
5. wheel radial direction fatigue test strain detection testing device as claimed in claim 2, it is characterised in that：The terminal pad passes through
The shaft of bolt and radial fatigue test machine connects.
6. such as claim 1-5 any one of them wheel radial direction fatigue test strain detection testing devices, it is characterised in that：It is described fixed
Sub- lower section is connected with counterweight.
7. wheel radial direction fatigue test strain detection testing device as described in claim 1, it is characterised in that：The foil gauge is electricity
Resistive foil gauge.
8. wheel radial direction fatigue test strain detection testing device as described in claim 1, it is characterised in that：The test equipment bag
Include strain testing instrument and computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721262449.0U CN207423548U (en) | 2017-09-28 | 2017-09-28 | Wheel radial direction fatigue test strain detection testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721262449.0U CN207423548U (en) | 2017-09-28 | 2017-09-28 | Wheel radial direction fatigue test strain detection testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423548U true CN207423548U (en) | 2018-05-29 |
Family
ID=62314239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721262449.0U Active CN207423548U (en) | 2017-09-28 | 2017-09-28 | Wheel radial direction fatigue test strain detection testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207423548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987482A (en) * | 2019-12-20 | 2020-04-10 | 浙江金固股份有限公司 | Wheel fatigue life testing method |
| CN113281067A (en) * | 2021-05-28 | 2021-08-20 | 华南农业大学 | Paddy field wheel six-axis force testing device |
-
2017
- 2017-09-28 CN CN201721262449.0U patent/CN207423548U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987482A (en) * | 2019-12-20 | 2020-04-10 | 浙江金固股份有限公司 | Wheel fatigue life testing method |
| CN110987482B (en) * | 2019-12-20 | 2022-01-21 | 浙江金固股份有限公司 | Wheel fatigue life testing method |
| CN113281067A (en) * | 2021-05-28 | 2021-08-20 | 华南农业大学 | Paddy field wheel six-axis force testing device |
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