CN104913919A - Rubber isolator dynamic and static performance testing device - Google Patents
Rubber isolator dynamic and static performance testing device Download PDFInfo
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- CN104913919A CN104913919A CN201510332996.0A CN201510332996A CN104913919A CN 104913919 A CN104913919 A CN 104913919A CN 201510332996 A CN201510332996 A CN 201510332996A CN 104913919 A CN104913919 A CN 104913919A
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Abstract
The invention relates to a testing device, and particularly relates to a rubber isolator dynamic and static performance testing device. the lower end of a spiral elevator is connected with a cross beam, the upper end of a clamp is fixed on the cross beam, the lower end of the clamp is arranged on a base, a force sensor is arranged on the clamp, upper displacement and lower displacement of the cross beam are monitored by a cross beam displacement sensor, the base is arranged on a guiding shaft via a guiding bearing, upper displacement and lower displacement of the base are monitored via a base displacement sensor, the lower surface of the base is contacted with an outer profile of a cam shaft, and the cam shaft drives the base to move vertically. According to the rubber isolator dynamic and static performance testing device, static performance of the rubber isolator at a different mounting angle and different static load can be measured, dynamic performance parameters of the rubber isolator in an actual movement simulation condition can also be measured, and reference is provided for structural design and secondary optimization development of the rubber isolator.
Description
Technical field
The present invention relates to a kind of testing apparatus, be specially rubber shock absorber dynamic and static state performance proving installation.
Background technology
The application of rubber shock absorber very extensive, as automobile, aircraft etc., its main effect is that the dynamic and static state performance parameter of vibration isolator plays a very important role in the design process of damping noise abatement thus in order to carry out vibration isolation to excitation vibration.Existing shaking table, according to the difference of principle and structure, can generally be divided into mechanical type, electrodynamic type, fluid pressure type; The shaking table being produced required vibration by motor drive machinery mechanism is mechanical shaker; By fixed magnetic field be arranged in magnetic field and power-actuated shaking table that the interaction being connected with the moving coil of exchange current produces becomes electric vibration table; The shaking table being undertaken driving by fluid pressure generation vibration force is called hydraulic vibration gen.
Existing checkout equipment can only be independent to rubber shock absorber dynamically or static properties test, in the test of vibration isolator and the process of optimal design, make cost price higher, and vibration isolator moving situation in actual applications can not be simulated, the performance parameter of rubber shock absorber time as different in state parameters such as prefabricating load, established angle, amplitude, frequencies.
Summary of the invention
For above-mentioned technical matters, the invention provides a kind of rubber shock absorber dynamic and static state performance proving installation, static state or dynamic property can be measured simultaneously, and the performance parameter of rubber shock absorber under various skimulated motion state can be measured.
Concrete technical scheme is:
Rubber shock absorber dynamic and static state performance proving installation, comprise spiral lift, crossbeam, fixture, base, camshaft and pedestal, described spiral lift lower end connecting cross beam, fixture is used for fixing rubber shock absorber, fixture upper end is fixed on crossbeam, and fixture lower end is arranged on base; Fixture is provided with force snesor; Crossbeam two ends are arranged on column by sliding bearing, and the upper and lower displacement of crossbeam is by crosshead displacement Sensor monitoring; Spiral lift is connected with stepper motor by shaft coupling, and stepper motor is by driver control; Capture card is connected with force snesor, crosshead displacement sensor; Base is arranged on the axis of guide by guide bearing, and the upper and lower displacement of base is monitored by base displacement transducer; Base lower surface contacts with the outline of camshaft, and camshaft actuated base moves up and down; Camshaft is connected with threephase asynchronous machine by Timing Belt, and threephase asynchronous machine is by Frequency Converter Control.
Rubber shock absorber dynamic and static state performance proving installation provided by the invention, the static properties of rubber shock absorber under different setting angle, different static load can be measured, but also the dynamic performance parameter of rubber shock absorber under simulation actual motion situation can be measured, for the structural design of rubber shock absorber and double optimization exploitation provide reference.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Accompanying drawings the specific embodiment of the present invention, as shown in Figure 1, rubber shock absorber dynamic and static state performance proving installation, comprise spiral lift 3, crossbeam 5, fixture 6, base 9, camshaft 8 and pedestal 14, described spiral lift 3 lower end connecting cross beam 5, fixture 6 is for fixing rubber shock absorber 7, and fixture 6 upper end is fixed on crossbeam 5, and fixture 6 lower end is arranged on base 9; Fixture 6 is provided with force snesor 17; Crossbeam 5 two ends are arranged on column by sliding bearing 4, and the upper and lower displacement of crossbeam 5 is monitored by crosshead displacement sensor 18; Spiral lift 3 is connected with stepper motor 1 by shaft coupling 2, and stepper motor 1 is controlled by driver 15; Capture card 20 is connected with force snesor 17, crosshead displacement sensor 18; Base 9 is arranged on the axis of guide 10 by guide bearing 11, and the upper and lower displacement of base 9 is monitored by base displacement transducer 19; Base 9 lower surface contacts with the outline of camshaft 8, and camshaft 8 drives base 9 to move up and down; Camshaft 8 is connected with threephase asynchronous machine 12 by Timing Belt 13, and threephase asynchronous machine 12 is controlled by frequency converter 16.
Specific works process is, the frequency of the pulse signal of driver 15 and umber of pulse control rotating speed and the angular displacement of stepper motor 1, stepper motor 1 drives spiral lift 3 by shaft coupling 2, and spiral lift 3 applies static load by the rubber shock absorber 7 in crossbeam 5 pairs of fixtures 6.The speed that namely the work feed speed of spiral lift 3 apply static load is 0.0001m/s, the impact tested static properties with the dynamic characteristic eliminating rubber shock absorber 7 as much as possible; Fixture 6 is the fixture of angle adjustable, the setting angle of adjustment rubber shock absorber 7, and setting range is 0 ~ 90 °; The umber of pulse of the measurement feed-back controllable drive 15 of force snesor 17.
Frequency converter 16 controls threephase asynchronous machine 12, utilizes Timing Belt 13 by the power transimission of motor on camshaft 8, and camshaft 8 applies a dynamic excitation vibration by base 9 pairs of rubber shock absorbers 7.The frequency of frequency converter 16 output current can control the output speed of threephase asynchronous machine 12, combine with the number of camshaft 8 projection and then control the Forced Frequency that vibrates, the scope that generally arranges is 0-80Hz, change the amplitude that protruding height realizes changing excitation, capture card 20 gathers rubber shock absorber 7 various data under different setting angle, different prefabricating load, different excited vibration amplitude and frequency, the axis recorded by base displacement transducer 19, force snesor 17 and radial dynamic performance parameter.
Claims (1)
1. rubber shock absorber dynamic and static state performance proving installation, it is characterized in that: comprise spiral lift (3), crossbeam (5), fixture (6), base (9), camshaft (8) and pedestal (14), described spiral lift (3) lower end connecting cross beam (5), fixture (6) is for fixing rubber shock absorber (7), fixture (6) upper end is fixed on crossbeam (5), and fixture (6) lower end is arranged on base (9); Fixture (6) is provided with force snesor (17);
Crossbeam (5) two ends are arranged on column by sliding bearing (4), and the upper and lower displacement of crossbeam (5) is monitored by crosshead displacement sensor (18); Spiral lift (3) is connected with stepper motor (1) by shaft coupling (2), and stepper motor (1) is controlled by driver (15); Capture card (20) is connected with force snesor (17), crosshead displacement sensor (18);
Base (9) is arranged on the axis of guide (10) by guide bearing (11), and the upper and lower displacement of base (9) is by base displacement transducer (19) monitoring; Base (9) lower surface contacts with the outline of camshaft (8), and camshaft (8) drives base (9) to move up and down; Camshaft (8) is connected with threephase asynchronous machine (12) by Timing Belt (13), and threephase asynchronous machine (12) is controlled by frequency converter (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332996.0A CN104913919B (en) | 2015-06-16 | 2015-06-16 | Rubber shock absorber dynamic and static state performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332996.0A CN104913919B (en) | 2015-06-16 | 2015-06-16 | Rubber shock absorber dynamic and static state performance test device |
Publications (2)
| Publication Number | Publication Date |
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| CN104913919A true CN104913919A (en) | 2015-09-16 |
| CN104913919B CN104913919B (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510332996.0A Expired - Fee Related CN104913919B (en) | 2015-06-16 | 2015-06-16 | Rubber shock absorber dynamic and static state performance test device |
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| CN (1) | CN104913919B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203311A (en) * | 2015-09-23 | 2015-12-30 | 上海大学 | Roller optimization static experiment testing method |
| CN105223013A (en) * | 2015-11-02 | 2016-01-06 | 西华大学 | A kind of suspension matching system is test bed |
| CN105987819A (en) * | 2016-05-30 | 2016-10-05 | 西华大学 | Shock absorber static friction force test device and shock absorber static friction force test method |
| CN112229613A (en) * | 2020-10-05 | 2021-01-15 | 中电天奥有限公司 | Vibration isolator mechanical parameter testing device |
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| CN101403656A (en) * | 2007-12-19 | 2009-04-08 | 奇瑞汽车股份有限公司 | Double-moving endurance experiment apparatus of vibration damper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105203311A (en) * | 2015-09-23 | 2015-12-30 | 上海大学 | Roller optimization static experiment testing method |
| CN105203311B (en) * | 2015-09-23 | 2018-03-06 | 上海大学 | A kind of roller optimizes statics experimental test procedures |
| CN105223013A (en) * | 2015-11-02 | 2016-01-06 | 西华大学 | A kind of suspension matching system is test bed |
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| CN105987819A (en) * | 2016-05-30 | 2016-10-05 | 西华大学 | Shock absorber static friction force test device and shock absorber static friction force test method |
| CN112229613A (en) * | 2020-10-05 | 2021-01-15 | 中电天奥有限公司 | Vibration isolator mechanical parameter testing device |
| CN112229613B (en) * | 2020-10-05 | 2023-12-12 | 中电天奥有限公司 | Mechanical parameter testing device for vibration isolator |
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| Publication number | Publication date |
|---|---|
| CN104913919B (en) | 2018-09-07 |
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Granted publication date: 20180907 Termination date: 20200616 |