CN205138803U - Crank double -slider shock absorber shows merit machine - Google Patents
Crank double -slider shock absorber shows merit machine Download PDFInfo
- Publication number
- CN205138803U CN205138803U CN201521005061.3U CN201521005061U CN205138803U CN 205138803 U CN205138803 U CN 205138803U CN 201521005061 U CN201521005061 U CN 201521005061U CN 205138803 U CN205138803 U CN 205138803U
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- China
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- vibration damper
- crank
- shock absorber
- slider
- fixedly connected
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Abstract
The utility model discloses a crank double -slider shock absorber shows merit machine, include: anchor clamps on the shock absorber, its upper end is fixed, lower extreme and shock absorber test piece upper end fixed connection, compress tightly the mould, its and shock absorber test piece lower extreme fixed connection, slider -crank mechanism, its with compress tightly mould fixed connection, drive the shock absorber test piece and carry out simple harmonic motion, pickup assembly, its position and damping force that is arranged in measuring experimental shock absorber test piece. The utility model discloses an excitation system adopts the drive of crank double -slider, can realize accurate sinusoidal excitation, satisfies the test requirement to the shock absorber test piece. The utility model discloses distance about can adjusting between anchor clamps to the realization is tested different length shock absorber test pieces, has strengthened the commonality of this device. Have not unidimensional crank through the change, adjust simple harmonic motion's amplitude, realize that the experimental stroke of shock absorber is adjustable. Therefore, the utility model discloses has good commonality.
Description
Technical field
The utility model relates to a kind of vibration damper dynamometer machine, particularly a kind of vibration damper dynamometer machine adopting crank block.
Background technology
Vehicle shock absorber is the flexible link that automotive suspension is connected with wheel, plays a part to cushion vibration isolation, vibration when rebounding after being mainly used to suppress spring absorbing and the impact from road surface.Vibration damper is the rapid wear accessory in automobile use procedure, and vibration damper work quality, by the life-span of the stationarity He other parts that directly affect running car, therefore should make vibration damper often be in good working order.Vibration damper show that merit test is the important means of inspection vibration damper performance, model center building is the important indicator weighing vibration damper performance, and each vibration damper all needs through this test.Model center building refer to vibration damper reciprocating within the scope of predetermined stroke time, the damping force of generation and the relation curve of corresponding displacement.Therefore need to use the performance of vibration damper dynamometer machine to vibration damper to detect.
Traditional crank-linkage type vibration damper dynamometer machine is by variable-speed motor driving crank linkage assembly, the slider end of connecting rod is reciprocating in guide groove together with one end of vibration damper, when the length of connecting rod is far longer than the length of crank, slide block can only realize approximate simple harmonic motion.Therefore need to design a kind of crank double-slider vibration damper dynamometer machine, accurate sine excitation is realized to vibration damper.
Utility model content
The utility model has designed and developed a kind of crank double-slider vibration damper dynamometer machine, and object is for vibration damper applies a kind of harmonic model, to realize accurate sinusoidal excitation, and strengthens the universal performance of dynamometer machine.
The technical scheme that the utility model provides is:
A kind of crank double-slider vibration damper dynamometer machine, comprising:
Fixture on vibration damper, it is fixedly connected with vibration damper test specimen upper end;
Compress mold, it is fixedly connected with vibration damper test specimen lower end;
Sensor module, it is for measuring position and the damping force of vibration damper test specimen in test;
Crank, it moves in a circle under driving mechanism drives;
Transverse shifting slide block, it is arranged at the end of described crank;
Chute, described transverse shifting slide block can the interior transverse direction of described chute slide again;
Traveller, it is vertically arranged at described chute both sides, and described traveller coordinates with the pilot hole be fixedly installed, and described traveller is moved up and down, and described traveller is fixedly connected with described compression mold lower end.
Preferably, fixture is provided with universal joint to described vibration damper, to make vibration damper test specimen on the same line stressed.
Preferably, on described vibration damper, fixture and vibration damper test specimen are threaded connection.
Preferably, on described vibration damper, fixture upper end is fixedly connected with entablature, and described entablature is fixedly connected with hoist cylinder, can move up and down, to meet the vibration damper specimen test requirement of different length under described hoist cylinder drives.
Preferably, the adjustable length of described crank, to regulate the amplitude of simple harmonic motion.
Preferably, described sensor module comprises force snesor and displacement transducer, and described force snesor is arranged on entablature and vibration damper between fixture, and institute's displacement sensors is fixedly connected with chute.
The beneficial effects of the utility model are:
(1) the present invention adopts crank double-slider to drive, and can realize accurate sine excitation, and overcome in existing single crank slide block mechanism, when the length of connecting rod is far longer than the length of crank, slide block can only realize the defect of approximate simple harmonic motion.
(2) in the utility model, on vibration damper, fixture carries out up-down adjustment by the position moving up and down entablature, meets the testing requirements of the vibration damper test specimen of different length, all applicable to the vibration damper test specimen of various model, enhances the versatility of this device.
(3) adjustable length of crank in the utility model, by changing the crank with different size, regulate the amplitude of simple harmonic motion, the test trip realizing vibration damper is adjustable, meets the requirement of different tests intensity.
(4) the crank double-slider vibration damper dynamometer machine that provides of the utility model is simple to operate, by sensor real-time data collection in test process, and carries out data processing in real time, test findings visual pattern, automaticity is high, improves test efficiency, reduces the interference of human factor.
Accompanying drawing explanation
Fig. 1 is crank double-slider vibration damper dynamometer machine structural representation described in the utility model.
Fig. 2 is crank double-slider vibration damper dynamometer machine right view described in the utility model.
Fig. 3 is slider-crank mechanism structural representation described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
As shown in Figure 1, the utility model provides a kind of crank double-slider vibration damper dynamometer machine, comprise clamp assembly, comprise fixture 130 on entablature 110, force snesor 121, vibration damper, guide pillar 140, vibration damper test specimen 150, vibration damper compression mold 160, hoist cylinder 170, stretch oil cylinder 180, crank double-slider mechanism 190, displacement transducer 122.
Wherein, force snesor 121 one end is fixed on entablature 110, and the other end is fixedly connected with the top of fixture on vibration damper 130.On vibration damper, the lower end of fixture 130 is fixedly connected with the upper end of vibration damper test specimen 150, and fixture 130 is provided with ball pivot to described vibration damper, plays the effect of universal joint, thus makes the point-blank stressed of vibration damper test specimen 150.On vibration damper, fixture 130 is threaded by connecing soon with vibration damper test specimen 150.Compress the lower end that mold 160 is connected to described vibration damper test specimen 150.
Entablature 110 is connected with hoist cylinder 170, and described entablature 110 can move up and down along guide pillar 140.Regulated the position of entablature 110 by the lifting of hoist cylinder 170, thus meet the requirement carrying out with the vibration damper test specimen 150 of different length testing.Compress mold 160 also to adjust according to the length of auto shock absorber.Stretch oil cylinder 180 is arranged at the below of vibration damper test specimen 150, for being held out against by vibration damper test specimen 150.
Compress mold 160 lower end to be fixedly connected with crank double-slider mechanism 190, described crank double-slider mechanism 190 can drive described compression mold 160 to move up and down, thus be described vibration damper test specimen 150 imposed load, thus carry out vibration damper test specimen 150 show that merit is tested.
As shown in Figure 2 and Figure 3, wherein said crank double-slider mechanism 190 comprises traveller 191, chute 192, transverse shifting slide block 193, crank 194.Described crank 194 is by driving mechanism driven rotary.Described driving mechanism comprises reducing gear 195, belt connecting device 196 and bearing seat 197.
Drive motor carries out deceleration increasing through reducing gear 195 and turns round, and belt connecting device 196 coupling shaft bearing 197 also drives crank 194 to move in a circle.Slide block 193 is arranged at the end of described crank 194, and described slide block 193 can in the chute 192 of level transverse shifting, the two ends of chute 192 are provided with two travellers be arranged vertically 191, and described traveller 191 coordinates with pilot hole 198.Because pilot hole 198 is fixed, therefore when crank 194 moves in a circle be, make slide block 193 transverse shifting in the chute 192 of level, thus chute 192 is moved up and down with the traveller 191 of both sides, traveller 191 is fixedly connected with, so vibration damper test specimen 150 does simple harmonic oscillation under the drive of crank double-slider mechanism 190 with compression mold 160 again.Because slider-crank mechanism is when crank does uniform circular motion, the displacement of slide block is accurate simple harmonic motion, therefore by layout of the present utility model, vibration damper test specimen 150 can be made to realize accurate simple harmonic motion, meets the requirement of test.Simultaneously, the length of the crank of the crank double-slider mechanism 190 that the utility model provides can be regulated by crank length governor motion 199, thus the amplitude of simple harmonic motion can be regulated, the corresponding crank length of setting can be changed according to different testing requirementss, meet testing requirements.
Displacement transducer 122 is fixedly connected with the chute 192 in crank double-slider mechanism 190, to measure the displacement vertically of described chute 192.The damping force in process of the test suffered by vibration damper test specimen 150 is measured by force snesor 121.The variable quantity of damping force is converted into voltage signal by force snesor 121, and the variable quantity of displacement is all converted into voltage signal by displacement transducer 122.The voltage signal of damping force, after Signal-regulated kinase signal condition, passes to data collecting card jointly with displacement voltage signal.The data collected can obtain final test findings after treatment by analysis, to obtain the performance parameter of described vibration damper test specimen 150.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (6)
1. a crank double-slider vibration damper dynamometer machine, is characterized in that, comprising:
Fixture on vibration damper, it is fixedly connected with vibration damper test specimen upper end;
Compress mold, it is fixedly connected with vibration damper test specimen lower end;
Sensor module, it is for measuring position and the damping force of vibration damper test specimen in test;
Crank, it moves in a circle under driving mechanism drives;
Transverse shifting slide block, it is arranged at the end of described crank;
Chute, described transverse shifting slide block can the interior transverse direction of described chute slide again;
Traveller, it is vertically arranged at described chute both sides, and described traveller coordinates with the pilot hole be fixedly installed, and described traveller is moved up and down, and described traveller is fixedly connected with described compression mold lower end.
2. crank double-slider vibration damper dynamometer machine according to claim 1, is characterized in that, fixture is provided with universal joint to described vibration damper, to make vibration damper test specimen on the same line stressed.
3. crank double-slider vibration damper dynamometer machine according to claim 1, it is characterized in that, on described vibration damper, fixture and vibration damper test specimen are threaded connection.
4. crank double-slider vibration damper dynamometer machine according to claim 1, it is characterized in that, on described vibration damper, fixture upper end is fixedly connected with entablature, described entablature is fixedly connected with hoist cylinder, can move up and down, to meet the vibration damper specimen test requirement of different length under described hoist cylinder drives.
5. crank double-slider vibration damper dynamometer machine according to claim 1, is characterized in that, the adjustable length of described crank, to regulate the amplitude of simple harmonic motion.
6. crank double-slider vibration damper dynamometer machine according to claim 1, it is characterized in that, described sensor module comprises force snesor and displacement transducer, and described force snesor is arranged on entablature and vibration damper between fixture, and institute's displacement sensors is fixedly connected with chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521005061.3U CN205138803U (en) | 2015-12-04 | 2015-12-04 | Crank double -slider shock absorber shows merit machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521005061.3U CN205138803U (en) | 2015-12-04 | 2015-12-04 | Crank double -slider shock absorber shows merit machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205138803U true CN205138803U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521005061.3U Expired - Fee Related CN205138803U (en) | 2015-12-04 | 2015-12-04 | Crank double -slider shock absorber shows merit machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205138803U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716973A (en) * | 2016-04-14 | 2016-06-29 | 吉林大学 | Vibration test device and method of vibration-absorbing material |
| CN105865811A (en) * | 2016-04-14 | 2016-08-17 | 辽宁工业大学 | Automotive suspension vibration damper energy characteristic testing system and automotive suspension vibration damper energy characteristic metering method |
| CN107449597A (en) * | 2017-08-25 | 2017-12-08 | 杭州金士顿实业有限公司 | A kind of continuous testing agency of absorber damping force |
| CN107870095A (en) * | 2017-12-12 | 2018-04-03 | 辽宁工业大学 | Suspension shock-absorber performance comparision device and comparative approach |
| CN110261140A (en) * | 2019-07-19 | 2019-09-20 | 湖北万测试验设备有限公司 | A kind of bidifly vibration experimental rig |
| CN113865847A (en) * | 2021-09-26 | 2021-12-31 | 瑞安市捷诚自动化设备有限公司 | Servo electric cylinder shock absorber indicator |
-
2015
- 2015-12-04 CN CN201521005061.3U patent/CN205138803U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716973A (en) * | 2016-04-14 | 2016-06-29 | 吉林大学 | Vibration test device and method of vibration-absorbing material |
| CN105865811A (en) * | 2016-04-14 | 2016-08-17 | 辽宁工业大学 | Automotive suspension vibration damper energy characteristic testing system and automotive suspension vibration damper energy characteristic metering method |
| CN105865811B (en) * | 2016-04-14 | 2018-11-23 | 辽宁工业大学 | Shock absorber of automobile suspension energy response test macro and metering method |
| CN107449597A (en) * | 2017-08-25 | 2017-12-08 | 杭州金士顿实业有限公司 | A kind of continuous testing agency of absorber damping force |
| CN107870095A (en) * | 2017-12-12 | 2018-04-03 | 辽宁工业大学 | Suspension shock-absorber performance comparision device and comparative approach |
| CN110261140A (en) * | 2019-07-19 | 2019-09-20 | 湖北万测试验设备有限公司 | A kind of bidifly vibration experimental rig |
| CN110261140B (en) * | 2019-07-19 | 2024-01-30 | 湖北万测试验设备有限公司 | Double-excitation test device |
| CN113865847A (en) * | 2021-09-26 | 2021-12-31 | 瑞安市捷诚自动化设备有限公司 | Servo electric cylinder shock absorber indicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160406 Termination date: 20161204 |