CN202661255U - Dynamic test device of hydraulic damper - Google Patents

Dynamic test device of hydraulic damper Download PDF

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Publication number
CN202661255U
CN202661255U CN 201220244221 CN201220244221U CN202661255U CN 202661255 U CN202661255 U CN 202661255U CN 201220244221 CN201220244221 CN 201220244221 CN 201220244221 U CN201220244221 U CN 201220244221U CN 202661255 U CN202661255 U CN 202661255U
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CN
China
Prior art keywords
test
hydraulic damper
bed
dynamic testing
testing equipment
Prior art date
Application number
CN 201220244221
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Chinese (zh)
Inventor
卢小青
卢格
张华�
王剑
王华报
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常州格林电力机械制造有限公司
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Priority to CN 201220244221 priority Critical patent/CN202661255U/en
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Publication of CN202661255U publication Critical patent/CN202661255U/en

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Abstract

The utility model belongs to the technical field of machinery and relates to a dynamic test device of a hydraulic damper, solving the technical problems of complex structure, inconvenience in use and operation, low test accuracy and the like of the traditional dynamic test device. The dynamic test device of the hydraulic damper comprises a test bed frame, wherein one end of the test bed frame is connected with a drive mechanism for driving an element to be tested to move horizontally, the other end of the test bed frame is connected with a force sensor capable of detecting the pressure of the element to be tested and converting the pressure into an output signal, the element to be tested is connected with two infrared displacement sensor capable of detecting the displacement of the element to be tested and converting the displacement into an output signal, and both the force sensor and the infrared displacement sensors can receive signals and are connected with a signal processing system used for data processing and control. The dynamic test device disclosed by the utility model has the advantages of reasonable design, simple structure, convenience in use and operation, high test precision, and capability of carrying out continuous tests to meet tension/compression test and speed requirements of the hydraulic damper.

Description

The hydraulic damper dynamic testing equipment
Technical field
The utility model belongs to mechanical equipment technical field, relates to testing equipment, especially relates to a kind of hydraulic damper dynamic testing equipment.
Background technology
Damper is the resistance that motion is provided, the device of depletion kinergety.In space flight, aviation, military project, firearms, automobile and other industries, use already various dampers and come the vibration damping energy dissipating.After nineteen seventies, people begin step by step these technology to be migrated in the Structural Engineerings such as building, bridge, railway, and its development is very rapid.Hydraulic damper is a kind of vibration control apparatus to the speed responsing sensitivity, and it mainly is applicable to the pipeline of nuclear power plant, thermal power plant, chemical plant, steel plant etc. and the anti-vibration of equipment, is usually used in controlling the fluid oscillation of impact and the piping vibration of earthquake excitation.Hydraulic damper needs to carry out installation test before coming into operation, its dynamic property is examined, and is qualified with the performance of guaranteeing product, can reach the machine after the assembling is carried out whole test run requirement.The defectives such as yet hydraulic damper dynamic testing equipment of the prior art often can not satisfy the testing requirements of various different size model dampers, has simultaneously complex structure, is difficult to operation, and test accuracy is poor.
The problem that exists in order to solve prior art, people have carried out long-term exploration, have proposed solution miscellaneous.For example, Chinese patent literature discloses a kind of hydraulic system of hydraulic damper test bench [application number: CN201110041869.7], comprise hydraulic damper test bench and hydraulic control system, hydraulic control system comprises the large level test oil cylinder that is located on the hydraulic damper test bench, little rank test oil cylinder, between large level test oil cylinder and little rank test oil cylinder, be provided with a centre frame on the hydraulic damper test bench, between centre frame and the large level test oil cylinder, can distinguish clamping large level hydraulic damper and little rank hydraulic damper between centre frame and the little rank test oil cylinder.
Such scheme has improved prior art to a certain extent, can satisfy the dynamic test requirement of two rank hydraulic dampers of size.Yet this scheme is complex structure not only, use operation inconvenience, and measuring accuracy is low, can not satisfy hydraulic damper tension and compression test and rate request, can not guarantee the hydraulic damper test bench continuous working simultaneously.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of reasonable in design, simple in structure, uses easy to operately, and measuring accuracy is high, can satisfy the hydraulic damper dynamic testing equipment that hydraulic damper tension and compression test and rate request carry out follow-on test.
For achieving the above object, the utility model has adopted following technical proposal: this hydraulic damper dynamic testing equipment, comprise test-bed, end at test-bed is connected with the driving mechanism that moves horizontally be used to ordering about element under test, the other end at test-bed is connected with the power sensor that can detect element under test pressure and convert output signal to, be connected with two infrared ray displacement transducers that can detect this element under test displacement and convert output signal on the described element under test, described power sensor and infrared ray displacement transducer all with can receive signal and carry out data and process and be connected with the signal processing system of being connected.
In above-mentioned hydraulic damper dynamic testing equipment, the described test-bed structure that takes the shape of the letter U, described driving mechanism and power sensor are located at respectively the opposed inboard of this test-bed.This structure is conducive to the fixing of element under test and detects.
As a kind of technical scheme of comparatively optimizing, in above-mentioned hydraulic damper dynamic testing equipment, described driving mechanism comprises hydraulic jack.The driving mechanism here can drive the version that needs are taked multiple various kinds according to reality.
In above-mentioned hydraulic damper dynamic testing equipment, described signal processing system comprise can the display parameter information display device.
Further, in above-mentioned hydraulic damper dynamic testing equipment, described display device is LCDs.
In above-mentioned hydraulic damper dynamic testing equipment, described power sensor is strain tubular type pressure transducer.
Compared with prior art, the advantage of this hydraulic damper dynamic testing equipment is: reasonable in design, simple in structure, use easy to operately, and measuring accuracy is high, can satisfy hydraulic damper tension and compression test and rate request and carry out follow-on test.
Description of drawings
Fig. 1 is the structural representation under the use state that provides of the utility model.
Among the figure, test-bed 1, driving mechanism 2, power sensor 3, infrared ray displacement transducer 4, signal processing system 5, display device 51, element under test 6.
Embodiment
As shown in Figure 1, this hydraulic damper dynamic testing equipment, comprise test-bed 1, end at test-bed 1 is connected with the driving mechanism 2 that moves horizontally be used to ordering about element under test 6, the other end at test-bed 1 is connected with the power sensor 3 that can detect element under test 6 pressure and convert output signal to, be connected with two infrared ray displacement transducers 4 that can detect these element under test 6 displacements and convert output signal on the element under test 6, power sensor 3 is connected with the infrared ray displacement transducer all and can be received signal and carry out data and process and be connected with the signal processing system 5 of being connected.
As a kind of technical scheme of comparatively optimizing, test-bed 1 in the present embodiment structure that takes the shape of the letter U, driving mechanism 2 and power sensor 3 are located at respectively this test-bed 1 opposed inboard, driving mechanism 2 comprises hydraulic jack, signal processing system 5 comprise can the display parameter information display device 51, this display device 51 adopts LCDs, and power sensor 3 is strain tubular type pressure transducer.The driving mechanism 2 here and the version of power sensor 3 can be selected according to actual needs, and similarly, display device 51 also can be taked the alternative form of multiple various kinds.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as test-bed 1, driving mechanism 2, power sensor 3, infrared ray displacement transducer 4, signal processing system 5, display device 51, element under test 6, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model, and they are construed to any additional restriction all is contrary with the utility model spirit.

Claims (6)

1. hydraulic damper dynamic testing equipment, comprise test-bed (1), end at test-bed (1) is connected with the driving mechanism (2) that moves horizontally be used to ordering about element under test (6), the other end at test-bed (1) is connected with the power sensor (3) that can detect element under test (6) pressure and convert output signal to, it is characterized in that, be connected with two infrared ray displacement transducers (4) that can detect (6) displacement of this element under test and convert output signal on the described element under test (6), described power sensor (3) is connected 4 with the infrared ray displacement transducer) all with can receive signal and carry out data and process and to be connected with the signal processing system of being connected (5).
2. hydraulic damper dynamic testing equipment according to claim 1, it is characterized in that, described test-bed (1) structure that takes the shape of the letter U, described driving mechanism (2) and power sensor (3) are located at respectively the opposed inboard of this test-bed (1).
3. hydraulic damper dynamic testing equipment according to claim 1 is characterized in that, described driving mechanism (2) comprises hydraulic jack.
4. according to claim 1 and 2 or 3 described hydraulic damper dynamic testing equipments, it is characterized in that, described signal processing system (5) comprise can the display parameter information display device (51).
5. hydraulic damper dynamic testing equipment according to claim 4 is characterized in that, described display device (51) is LCDs.
6. according to claim 1 and 2 or 3 described hydraulic damper dynamic testing equipments, it is characterized in that described power sensor (3) is strain tubular type pressure transducer.
CN 201220244221 2012-05-29 2012-05-29 Dynamic test device of hydraulic damper CN202661255U (en)

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Application Number Priority Date Filing Date Title
CN 201220244221 CN202661255U (en) 2012-05-29 2012-05-29 Dynamic test device of hydraulic damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220244221 CN202661255U (en) 2012-05-29 2012-05-29 Dynamic test device of hydraulic damper

Publications (1)

Publication Number Publication Date
CN202661255U true CN202661255U (en) 2013-01-09

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103217244A (en) * 2013-03-26 2013-07-24 山东科技大学 Shock absorber tension and pressure measuring instrument and detection method thereof
CN103471838A (en) * 2013-09-27 2013-12-25 中交公路长大桥建设国家工程研究中心有限公司 Device used for testing static and dynamic performance of damper
CN104236893A (en) * 2014-10-09 2014-12-24 河海大学常州校区 Performance parameter test system and performance parameter test method of hydraulic damper
CN104316314A (en) * 2014-11-18 2015-01-28 河海大学常州校区 Big sensor and small sensor switching structure with pin shafts arranged side by side
CN104316315A (en) * 2014-11-18 2015-01-28 河海大学常州校区 Big sensor and small sensor switching structure with crossed type pin shafts
CN104502080A (en) * 2014-12-16 2015-04-08 武汉航达航空科技发展有限公司 Performance testing platform for rotating hydraulic damper
CN104807621A (en) * 2015-04-20 2015-07-29 中国电力科学研究院 Damper performance detecting system for transformer substation and detecting method
CN105115716A (en) * 2015-09-16 2015-12-02 四川膨旭科技有限公司 Test structure for testing damping characteristics of magnetorheological damper
CN106017886A (en) * 2016-06-12 2016-10-12 河海大学常州校区 Rotary type sensor conversion structure
CN108088671A (en) * 2017-11-29 2018-05-29 中国直升机设计研究所 A kind of damper durability fatigue experimental device
CN108956176A (en) * 2018-08-10 2018-12-07 中国石油大学(华东) A kind of high-precision hydraulic damper and the dynamic and static test platform of actuator
CN110174248A (en) * 2019-01-29 2019-08-27 北京机电工程研究所 Big magnitude isolation damper damping capacity verification method and the test tool for it
CN110749429A (en) * 2019-10-28 2020-02-04 常州市科恒液压机械有限公司 Fixture for detecting horizontal performance of viscous damping cylinder

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103217244B (en) * 2013-03-26 2015-11-18 山东科技大学 Vibroshock pull or press force test instrument
CN103217244A (en) * 2013-03-26 2013-07-24 山东科技大学 Shock absorber tension and pressure measuring instrument and detection method thereof
CN103471838A (en) * 2013-09-27 2013-12-25 中交公路长大桥建设国家工程研究中心有限公司 Device used for testing static and dynamic performance of damper
CN103471838B (en) * 2013-09-27 2015-10-28 中交公路长大桥建设国家工程研究中心有限公司 A kind of device that the Static and dynamical behavior of damper is tested
CN104236893A (en) * 2014-10-09 2014-12-24 河海大学常州校区 Performance parameter test system and performance parameter test method of hydraulic damper
CN104316315A (en) * 2014-11-18 2015-01-28 河海大学常州校区 Big sensor and small sensor switching structure with crossed type pin shafts
CN104316314B (en) * 2014-11-18 2016-11-30 河海大学常州校区 Bearing pin side-by-side size sensor transformational structure
CN104316314A (en) * 2014-11-18 2015-01-28 河海大学常州校区 Big sensor and small sensor switching structure with pin shafts arranged side by side
CN104502080A (en) * 2014-12-16 2015-04-08 武汉航达航空科技发展有限公司 Performance testing platform for rotating hydraulic damper
CN104502080B (en) * 2014-12-16 2017-05-24 武汉航达航空科技发展有限公司 Performance testing platform for rotating hydraulic damper
CN104807621A (en) * 2015-04-20 2015-07-29 中国电力科学研究院 Damper performance detecting system for transformer substation and detecting method
CN105115716A (en) * 2015-09-16 2015-12-02 四川膨旭科技有限公司 Test structure for testing damping characteristics of magnetorheological damper
CN106017886A (en) * 2016-06-12 2016-10-12 河海大学常州校区 Rotary type sensor conversion structure
CN108088671A (en) * 2017-11-29 2018-05-29 中国直升机设计研究所 A kind of damper durability fatigue experimental device
CN108956176A (en) * 2018-08-10 2018-12-07 中国石油大学(华东) A kind of high-precision hydraulic damper and the dynamic and static test platform of actuator
CN110174248A (en) * 2019-01-29 2019-08-27 北京机电工程研究所 Big magnitude isolation damper damping capacity verification method and the test tool for it
CN110749429A (en) * 2019-10-28 2020-02-04 常州市科恒液压机械有限公司 Fixture for detecting horizontal performance of viscous damping cylinder

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