CN205002949U - General shock absorber moves static test platform - Google Patents
General shock absorber moves static test platform Download PDFInfo
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- CN205002949U CN205002949U CN201520600730.5U CN201520600730U CN205002949U CN 205002949 U CN205002949 U CN 205002949U CN 201520600730 U CN201520600730 U CN 201520600730U CN 205002949 U CN205002949 U CN 205002949U
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Abstract
The utility model provides a general shock absorber moves static test platform relates to a vibration experiment test equipment, its includes mechanical system and test system, the test system includes vibration exciter, signal generator, power amplifier, force transducer, photoelectricity displacement sensor, acceleration sensor, capture card and treater, mechanical system includes base, adjusting screw, rotation axis, L template, vibration exciter base, six roots of sensation stand, lower base, T profile shaft and inertia pendulum rod. The beneficial effects of the utility model are that: the mechanical system simple structure of this test bench, the dependable performance combines the test system, and the shock absorber can independently be accomplished to this test bench vertical, horizontally moves, static capability test, realization multi freedom testing capabilities, the commonality is strong, extensive applicability.
Description
Technical field
The utility model relates to a kind of vibration experiment testing apparatus, is specifically related to a kind of testing table of dynamic, the static properties test for various vibration damper or vibration isolator.
Background technology
Along with the development of the modernization of industry, vehicle arrangement, process equipment or ship equipment has all had higher requirement to vibration & noise, vibration damper or vibration isolator are the critical elements of Noise and Vibration Control, and the quality of its vibration isolating effect weighs the principal element of vibration isolator performance.So the performance test link of vibration isolator seems particularly important.Existing vibration damper test platform mostly is Special testing device, is mainly made for a certain class vibration damper, only can complete the performance test under the single degree of freedom, not have versatility.Therefore, a kind of general reliably damper test stand is developed imperative.
Summary of the invention
The performance test under the single degree of freedom of a certain class vibroshock can only be completed to solve existing vibroshock test platform and lack the technical matters of versatility, the utility model provides a kind of general multi-functional vibroshock the static and dynamic experiment platform, can test various types of vibration isolator or the static state of shock absorber component, dynamic multiple performance parameter.
The technical scheme that the utility model technical solution problem is taked is as follows:
A kind of general vibration damper the static and dynamic experiment platform, comprise mechanical system and test macro, described test macro comprises vibrator, signal generator, power amplifier, force snesor, photoelectric displacement sensor, acceleration transducer, capture card and processor; Signal generator, power amplifier are connected with vibrator respectively, and vibrator, force snesor, photoelectric displacement sensor, acceleration transducer are connected with capture card respectively, and capture card is connected with processor; Described mechanical system comprises upper bed-plate, adjusting screw(rod), turning axle, L-type plate, vibrator base, six roots of sensation column, lower bottom base, T-shaped axle and inertia fork, upper bed-plate is fixed on column top, column bottom is fixed on lower bottom base, and upper bed-plate, six roots of sensation column, lower bottom base form a rectangular parallelepiped framework jointly; Described adjusting screw(rod) lower end is connected to above one end of inertia fork, and adjusting screw(rod) upper end is connected on the side bar of upper bed-plate; One end of L-type plate is fixed on below one end of inertia fork, is positioned at same one end of inertia fork with adjusting screw(rod); The transverse axis two ends of described T-shaped axle are connected to by solid bearing on two columns of above-mentioned rectangular parallelepiped framework side, and the vertical axes of T-shaped axle is connected to the other end of inertia fork by bearing; Described vibrator base is fixed on lower bottom base, and turning axle is fixed on vibrator base, and vibrator is connected with vibrator base by turning axle; Described force snesor is arranged on the intermediate transverse girder of lower bottom base and intermediate column or is arranged on the intermediate transverse girder of upper bed-plate, on the intermediate transverse girder that photoelectric displacement sensor is arranged on lower bottom base or be arranged on the intermediate transverse girder of upper bed-plate, acceleration transducer is arranged on the inside of inertia fork.
Inertia fork can complete and swing up and down motion together with T-shaped axle, simultaneously also can around the vertical axes horizontal hunting of T-shaped axle.The weight of inertia fork can be regulated by weight mass block, to adapt to the vibration damper of different load.Vibrator can realize 90 degree and rotates and contact with L-type plate, to realize the exciting to inertia fork different directions.
Vibration damper exemplar is divided into compression test exemplar and tension test exemplar two type, and when being compression test exemplar, the transmitting terminal of photoelectric displacement sensor is arranged on the centre position of upper bed-plate intermediate transverse girder, and receiving end is arranged on the upper surface in inertia fork centre position; When being tension test exemplar, the transmitting terminal of photoelectric displacement sensor is arranged on the centre position of lower bottom base intermediate transverse girder, and receiving end is arranged on the lower surface in inertia fork centre position.
During test, vibration damper exemplar is arranged on the centre of middle two columns, and compression test exemplar can be arranged on the lower bottom base intermediate transverse girder below inertia fork, and tension test exemplar can be arranged on the upper bed-plate intermediate transverse girder above inertia fork.When tension test exemplar is undersized can not be arranged between the intermediate transverse girder of upper bed-plate and inertia fork time, need increase crossbeam for subsequent use to substitute upper bed-plate crossbeam, for supporting tension test exemplar.Crossbeam two ends for subsequent use are fixed by screws on middle two root posts, can complete and move up and down, to adapt to the height of different stretch test exemplar; The centre position of crossbeam for subsequent use is provided with a through hole, for the utilizing emitted light by photoelectric sensor, is not blocked when ensureing photoelectric sensor work.
Above-mentioned force snesor is pulling force sensor or pressure transducer, when vibration damper exemplar is compression test exemplar, force snesor is two pressure transducers, one is arranged between lower bottom base intermediate transverse girder and compression test exemplar, another is arranged on intermediate column, with inertia fork be centrally located at same level.When vibration damper exemplar is tension test exemplar, force snesor is pulling force sensor, and it is arranged between upper bed-plate intermediate transverse girder and tension test exemplar, or be arranged on crossbeam for subsequent use and and tension test exemplar between.
The beneficial effects of the utility model are: the mechanical system structure of this testing table is simple, and dependable performance, in conjunction with test macro, vertical, the horizontal dynamic and static performance test of this testing table energy complete independently vibration damper, realize multiple degrees of freedom test function, highly versatile, applicability is wide.
Accompanying drawing explanation
Fig. 1 is the mechanical system structure schematic diagram of the utility model general vibration damper the static and dynamic experiment platform.
Fig. 2 is the test principle figure of the utility model general vibration damper the static and dynamic experiment platform when carrying out envelope test.
Fig. 3 is the test principle figure of the utility model general vibration damper the static and dynamic experiment platform when carrying out dynamic test.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
As shown in Figure 1, general vibration damper the static and dynamic experiment platform of the present utility model comprises mechanical system and test macro, described test macro comprises vibrator 5, signal generator, power amplifier, force snesor (such as, adopt the LCM300 sensor of U.S. Futek), photoelectric displacement sensor 1 (such as, adopt the IL-300 sensor of Keyemce (China) company limited), acceleration transducer, capture card (such as, the NIPXI-4462 capture card of employing America NI company) and processor; Signal generator, power amplifier are connected with vibrator 5 respectively, and vibrator 5, force snesor, photoelectric displacement sensor 1, acceleration transducer are connected with capture card respectively, and capture card is connected with processor; Signal generator provides a working signal for vibrator 5, the working signal that power amplifier drives vibrator 5 to send according to signal generator carries out work, force snesor, photoelectric displacement sensor 1 and acceleration transducer send the information gathered separately to capture card, capture card sends information to processor, obtains the data required for testing by processor after being processed.
Above-mentioned mechanical system comprises upper bed-plate 2, adjusting screw(rod) 3, turning axle 4, L-type plate 6, vibrator base 7, six roots of sensation column 8, lower bottom base 9, T-shaped axle 10 and inertia fork 11, upper bed-plate 2 is fixed on column 8 top, column 8 bottom is fixed on lower bottom base 9, and upper bed-plate 2, six roots of sensation column 8, lower bottom base 9 form a rectangular parallelepiped framework jointly; Described adjusting screw(rod) 3 lower end is connected to above one end of inertia fork 11, and adjusting screw(rod) 3 upper end is connected on the side bar of upper bed-plate 2; One end of L-type plate 6 is fixed on below one end of inertia fork 11, is positioned at same one end of inertia fork 11 with adjusting screw(rod) 3; The transverse axis two ends of described T-shaped axle 10 are connected to by solid bearing 13 on two columns 8 of above-mentioned rectangular parallelepiped framework side, and the vertical axes of T-shaped axle 10 is connected to the other end of inertia fork 11 by bearing 14; Described vibrator base 7 is fixed on lower bottom base 9, and turning axle 4 is fixed on vibrator base 7, and vibrator 5 is connected with vibrator base 7 by turning axle 4; Described force snesor is arranged on the intermediate transverse girder of lower bottom base 9 and intermediate column 8 or is arranged on the intermediate transverse girder of upper bed-plate 2, on the intermediate transverse girder that the transmitting terminal of photoelectric displacement sensor 1 is arranged on lower bottom base 9 or be arranged on the intermediate transverse girder of upper bed-plate 2, the receiving end of photoelectric displacement sensor 1 is arranged on the centre position of inertia fork 11; Acceleration transducer is arranged on the inside of inertia fork 11.
Shown in composition graphs 2 and Fig. 3, when adopting general vibration damper the static and dynamic experiment platform of the present utility model to carry out envelope test, first vibrator 5 and crossbeam for subsequent use 15 are disassembled, adjustment adjusting screw(rod) 3 makes inertia fork 11 to level, shock absorbers compression test exemplar is arranged on the intermediate transverse girder of the lower bottom base 9 below inertia fork 11, pressure transducer 12 is placed between the intermediate transverse girder of compression test exemplar and lower bottom base 9, make it drive inertia fork 11 by adjustment adjusting screw(rod) 3 and apply static pressure load to compression test exemplar, test compression can test the vertical static force of exemplar and the relation of distortion, and then obtain the Static stiffness of compression test exemplar.
When adopting general vibration damper the static and dynamic experiment platform of the present utility model to carry out dynamic free vibration testing experiment, first balance under regulating weight mass block to make vibration damper exemplar be in rated load, remove the connection of adjusting screw(rod) 3 and vibrator 5 and inertia fork 11, to inertia fork 11 1 initial displacements, allow it freely swing, vibration damper exemplar vertical and the response curve of horizontal direction under initial excitation can be recorded by photoelectric displacement sensor 1 and acceleration transducer, and then obtain bidirectional damper and the natural frequency of vibration damper exemplar.
When adopting general vibration damper the static and dynamic experiment platform of the present utility model to carry out dynamic forced vibration testing experiment, first the balance under regulating weight mass block to make vibration damper exemplar be in rated load, and adjusting screw(rod) 3 is disassembled, then vibrator 5 is started, the vertical vibration frequency spectrum of vibration damper exemplar can be tested, vibrator 5 90-degree rotation is made by turning axle 4, allow exciting force act in the horizontal direction front of motor of inertia fork 11 (namely with) of L shaped plate 6, the transverse vibration frequency spectrum of vibration damper exemplar can be tested.
Claims (3)
1. a general vibration damper the static and dynamic experiment platform, comprise mechanical system and test macro, described test macro comprises vibrator (5), signal generator, power amplifier, force snesor, photoelectric displacement sensor (1), acceleration transducer, capture card and processor; Signal generator, power amplifier are connected with vibrator (5) respectively, and vibrator (5), force snesor, photoelectric displacement sensor (1), acceleration transducer are connected with capture card respectively, and capture card is connected with processor; It is characterized in that: described mechanical system comprises upper bed-plate (2), adjusting screw(rod) (3), turning axle (4), L-type plate (6), vibrator base (7), six roots of sensation column (8), lower bottom base (9), T-shaped axle (10) and inertia fork (11), upper bed-plate (2) is fixed on column (8) top, column (8) bottom is fixed on lower bottom base (9), and upper bed-plate (2), six roots of sensation column (8), lower bottom base (9) form a rectangular parallelepiped framework jointly; Described adjusting screw(rod) (3) lower end is connected to above one end of inertia fork (11), and adjusting screw(rod) (3) upper end is connected on the side bar of upper bed-plate (2); One end of L-type plate (6) is fixed on below one end of inertia fork (11), is positioned at same one end of inertia fork (11) with adjusting screw(rod) (3); The transverse axis two ends of described T-shaped axle (10) are connected on two columns (8) of above-mentioned rectangular parallelepiped framework side by solid bearing (13), and the vertical axes of T-shaped axle (10) is connected to the other end of inertia fork (11) by bearing (14); Inertia fork (11) can complete and swing up and down motion together with T-shaped axle (10), simultaneously also can around the vertical axes horizontal hunting of T-shaped axle (10); Described vibrator base (7) is fixed on lower bottom base (9), turning axle (4) is fixed on vibrator base (7), and vibrator (5) is connected with vibrator base (7) by turning axle (4); Described force snesor be arranged on the intermediate transverse girder of lower bottom base (9) and intermediate column (8) upper or be arranged on the intermediate transverse girder of upper bed-plate (2), on the intermediate transverse girder that the transmitting terminal of photoelectric displacement sensor (1) is arranged on lower bottom base (9) or be arranged on the intermediate transverse girder of upper bed-plate (2), the receiving end of photoelectric displacement sensor (1) is arranged on the centre position of inertia fork (11); Acceleration transducer is arranged on the inside of inertia fork (11).
2. a kind of general vibration damper the static and dynamic experiment platform as claimed in claim 1, it is characterized in that, this testing table also comprises a crossbeam for subsequent use (15), its two ends are fixed by screws on middle two columns (8), and the centre position of crossbeam for subsequent use (15) is provided with a through hole.
3. a kind of general vibration damper the static and dynamic experiment platform as claimed in claim 1, it is characterized in that, described force snesor is pulling force sensor or pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520600730.5U CN205002949U (en) | 2015-08-11 | 2015-08-11 | General shock absorber moves static test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520600730.5U CN205002949U (en) | 2015-08-11 | 2015-08-11 | General shock absorber moves static test platform |
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| Publication Number | Publication Date |
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| CN205002949U true CN205002949U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520600730.5U Expired - Fee Related CN205002949U (en) | 2015-08-11 | 2015-08-11 | General shock absorber moves static test platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132516A (en) * | 2019-05-20 | 2019-08-16 | 中国舰船研究设计中心 | Impedance test device and test method under a kind of vibration isolator stress state |
-
2015
- 2015-08-11 CN CN201520600730.5U patent/CN205002949U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132516A (en) * | 2019-05-20 | 2019-08-16 | 中国舰船研究设计中心 | Impedance test device and test method under a kind of vibration isolator stress state |
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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: 20160127 Termination date: 20170811 |