CN105043912A - Device for testing fabric wear resistance - Google Patents
Device for testing fabric wear resistance Download PDFInfo
- Publication number
- CN105043912A CN105043912A CN201510486168.2A CN201510486168A CN105043912A CN 105043912 A CN105043912 A CN 105043912A CN 201510486168 A CN201510486168 A CN 201510486168A CN 105043912 A CN105043912 A CN 105043912A
- Authority
- CN
- China
- Prior art keywords
- gas
- testing
- friction
- test
- fabric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 117
- 239000004744 fabric Substances 0.000 title claims abstract description 48
- 239000002783 friction material Substances 0.000 claims abstract description 14
- 239000003381 stabilizer Substances 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000008520 organization Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a device for testing fabric wear resistance. The device for testing fabric wear resistance comprises an air source mechanism, and an air supply mechanism, a testing mechanism and a power mechanism which are arranged in the same constant-temperature box, wherein the testing mechanism comprises a testing component and a friction component, and the end portion of the testing component is provided with an air hole; the air source mechanism is communicated with the air supply mechanism, the testing component is communicated with the air supply mechanism and the friction component is connected with the power mechanism; under the drive of the power mechanism, the testing component and the friction component move relatively such that mutual friction occurs between a to-be-tested fabric mounted on the testing component and a friction material mounted on the friction component. The device for testing fabric wear resistance not only can perform friction damage tests, but also can reflect the pore change of the tested fabric after friction, can guarantee the friction test to be performed at constant temperature, and thereby can realize the comprehensive and accurate judgment of the wear resistance of the fabric.
Description
Technical field
The present invention relates to a kind of device for testing fabric anti-wear performance, belongs to fabric performance technical field of measurement and test.
Background technology
Anti-wear performance is a very important index of fabric, in particular for the fabric of filling flexible goods, such as: down jackets, eiderdown quilt etc.The wearing quality of this kind of fabric has different requirements from the wearing quality of other textiles, that is: except the surplus ratio after friction test and weight-loss ratio, and the changes of voids more crucially produced after friction test.But, fabric easily occurs the place in space is exactly fabric fold place, the especially starting point of fold: wedge angle.
In prior art, usually adopt the modes such as plain grinding method, bent mill method to carry out friction test to fabric, these friction modes are all rubbed with the form in face and friction mechanism by fabric.Further, when friction test, first, the friction test weight of expecting or outward appearance is recorded above; Secondly, the record time of friction test or the number of times of friction test, and the weight of corresponding fabric or outward appearance after friction test; Then, the weight that the weight of friction test being expected above or outward appearance and friction test are expected below or outward appearance are compared; Finally, the anti-wear performance of fabric is passed judgment on according to the time of friction test or the number of times of friction test.
But the result of these friction tests can not reflect the changes of voids that fabric produces after carrying out friction test, therefore friction test of the prior art is not suitable for the anti-wear performance comprehensively passing judgment on fabric.Further, friction test of the prior art, does not consider the impact of temperature on friction test, thus affects the accuracy of test findings.Therefore, this area needs the device realizing passing judgment on fabric anti-wear performance comprehensively, exactly badly.
Summary of the invention
The problems referred to above existed for prior art and demand, the object of this invention is to provide a kind of device for testing fabric anti-wear performance, to realize the anti-wear performance passing judgment on fabric comprehensively, exactly.
For achieving the above object, the present invention adopts following technical scheme:
A kind of device for testing fabric anti-wear performance, comprise: source of the gas mechanism, and being arranged on pneumatic convey mechanism in same constant temperature oven, mechanism for testing and actuating unit, described mechanism for testing comprises test member and friction member, and the end opens of described test member has air hole; Described source of the gas mechanism is connected with described pneumatic convey mechanism, and described test member is connected with described pneumatic convey mechanism, and described friction member is connected with actuating unit; Under the driving of actuating unit, test member and friction member generation relative movement, thus make to be arranged between the fabric to be measured of test member end with the friction material be arranged on friction member phase mutual friction can occur.
As a kind of preferred version, described source of the gas organization establishes is in constant temperature oven.
As a kind of embodiment, described source of the gas mechanism comprises gas compressor, heat exchanger, refrigeration machine and heat pump, and described heat exchanger is arranged on the gas outlet place of gas compressor, and described heat exchanger is connected with refrigeration machine, heat pump respectively.
As a kind of embodiment, described pneumatic convey mechanism comprises air delivery tube, control damper, air-flow voltage stabilizer and gas meter, the air intake of described air delivery tube is connected with the gas outlet of source of the gas mechanism, described control damper and air-flow voltage stabilizer are arranged on the path of air delivery tube in a series arrangement, and the gas outlet of described air delivery tube is connected with the air intake of described gas meter; Air delivery tube between described air-flow voltage stabilizer and gas meter offers discharge orifice.
As a kind of preferred version, described control damper is solenoid valve, and described gas flow counts turbo flow meter or spinner-type flowmeter.
As a kind of embodiment, described mechanism for testing also comprises test connecting pipe and flexible gas piping; The air intake of described test connecting pipe is connected by the gas outlet of flexible gas piping with pneumatic convey mechanism, and described test member sealing is arranged on the gas outlet place of test connecting pipe.
As a kind of preferred version, be provided with barometer at the top of described test connecting pipe.
As a kind of preferred version, described test member and described test connecting pipe form detachable matching relationship, and the end of described test member is coniform or blade-like or cylindric.
As a kind of embodiment, described friction member is one group of eccentric wheel, and described friction material is coated on eccentric wheel outer circumferential side.
As a kind of preferred version, described friction material is antithesis friction material.
As a kind of embodiment, described actuating unit comprises the first motor, gear train, back and forth platform, fixing support rack and the second motor, described first motor is connected with described gear train, described gear train is connected with described mechanism for testing, described first motor and gear train are installed on reciprocal platform, and this reciprocal platform can be arranged on fixing support rack with moving horizontally; The second motor be arranged on fixing support rack drives reciprocal plateau levels to move.
As a kind of preferred version, described gear train comprises a pair tumbler gear, and a pair tumbler gear engages with the motor gear on the output shaft being fixed in the first motor respectively and arrange; And one of them tumbler gear is connected with mechanism for testing by outer shaft, another tumbler gear is wherein connected with mechanism for testing by the Inner axle being arranged on outer shaft inside.
Compared to prior art, Advantageous Effects of the present invention is:
Due to the device for testing fabric anti-wear performance provided by the invention, not only friction crash test can be carried out, also by the change of the gas flow in observation friction process, to reflect the hole change of test fabric after friction, and can ensure that friction test is carried out at a constant temperature; Therefore, the present invention can realize comprehensively, pass judgment on the anti-wear performance of fabric exactly, and reliability is strong, can be widely used in the test of the anti-wear performance of various fabric.
Accompanying drawing explanation
The structural representation of the device (not comprising constant temperature oven) for testing fabric anti-wear performance that Fig. 1 provides for embodiment;
The part-structure schematic diagram of the device for testing fabric anti-wear performance that Fig. 2 provides for embodiment;
Fig. 3 is the structural representation of the annexation embodying mechanism for testing and actuating unit in embodiment;
Fig. 4 is the structural representation of the annexation embodied between embodiment medium power mechanism and eccentric wheel.
Number in the figure is schematically as follows:
1, source of the gas mechanism; 11, gas compressor; 12, heat exchanger; 13, refrigeration machine; 14, heat pump; 2, pneumatic convey mechanism; 21, air delivery tube; 22, control damper; 23, air-flow voltage stabilizer; 24, discharge orifice; 25, gas meter; 3, mechanism for testing; 31, test member; 32, friction member; 321a/321b, eccentric wheel; 33, connecting pipe is tested; 34, flexible gas piping; 35, hoop is sealed; 36, barometer; 4, actuating unit; 41, the first motor; 411, motor gear; 42, gear train; 421a/421b, tumbler gear; 43, reciprocal platform; 44, fixing support rack; 45, the second motor; 46, outer shaft; 47, Inner axle; 5, constant temperature oven.
Embodiment
Below with reference to the drawings and specific embodiments, technical scheme of the present invention is clearly and completely described.
Embodiment
As shown in Figure 1: a kind of device for testing fabric anti-wear performance provided by the invention, comprise: source of the gas mechanism 1, pneumatic convey mechanism 2, mechanism for testing 3 and actuating unit 4, described mechanism for testing 3 comprises test member 31 and friction member 32, and the end opens of described test member 31 has air hole (not shown); Described source of the gas mechanism 1 is connected with described pneumatic convey mechanism 2, and described test member 31 is connected with described pneumatic convey mechanism 2, and described friction member 32 is connected with actuating unit 4; Under the driving of actuating unit 4, there is relative movement in test member 31 and friction member 32, can make to be arranged between the fabric to be measured of test member 31 end with the friction material be arranged on friction member 32 phase mutual friction occurs.
Described source of the gas mechanism 1 comprises gas compressor 11, heat exchanger 12, refrigeration machine 13 and heat pump 14, and described heat exchanger 12 is arranged on the gas outlet place of gas compressor 11; Described heat exchanger 12 is connected with refrigeration machine 13, heat pump 14 respectively, and described refrigeration machine 13 continues to provide stable cold air for heat exchanger 12, and described heat pump 14 continues to provide stable hot gas for heat exchanger 12.
As shown in Figure 2: described pneumatic convey mechanism 2, mechanism for testing 3 and actuating unit 4 are all arranged in same constant temperature oven 5.The shell of described constant temperature oven 5 is made by heat-insulation material.Maintenance about the temperature in constant temperature oven 5 all can realize according to prior art with adjustment, repeats no more herein.
Described source of the gas mechanism 1 can be arranged in constant temperature oven 5, also can be arranged on the outside of constant temperature oven 5; When described source of the gas mechanism 1 is arranged in constant temperature oven 5, the air intake of described source of the gas mechanism 1 directly draws the gas in constant temperature oven 5, and the gas outlet of described source of the gas mechanism 1 is connected with the air intake of described pneumatic convey mechanism 2; When source of the gas mechanism 1 is arranged on constant temperature oven 5 outside, constant temperature oven 5 needs offer the air admission hole and venthole that are connected with the gas outlet of source of the gas mechanism 1, this air admission hole is connected with the air intake of pneumatic convey mechanism 2.The object of this kind of design is just in order to the gas realizing source of the gas mechanism 1 can enter in constant temperature oven, and the gas in constant temperature oven can be got back in source of the gas mechanism 1, to ensure the constant of gas circulation in constant temperature oven and temperature.
Shown in composition graphs 1 and Fig. 2: described pneumatic convey mechanism 2 comprises bending-like air delivery tube 21, control damper 22, air-flow voltage stabilizer 23, discharge orifice 24 and gas meter 25, the air intake of described air delivery tube 21 is connected with the gas outlet of gas compressor 11, described control damper 22 is arranged on the air intake place of air delivery tube 21, described air-flow voltage stabilizer 23 is arranged in air delivery tube 21, described air delivery tube 21 offers discharge orifice 24 along gas flow direction in the front side of air-flow voltage stabilizer 23, the gas outlet of described air delivery tube 21 is connected with the air intake of described gas meter 25.Described control damper 22 can be solenoid valve; Described gas meter 25 can be turbo flow meter or spinner-type flowmeter.
Described mechanism for testing 3 also comprises test connecting pipe 33, flexible gas piping 34 and sealing hoop 35, the air intake of described test connecting pipe 33 is connected by the gas outlet of flexible gas piping 34 with described gas meter 25, described test member 31 is arranged on the gas outlet place of test connecting pipe 33 by the sealing of sealing hoop 35, described test member 31 forms detachable matching relationship with described test connecting pipe 33, the end of described test member 31 is coniform or blade-like or cylindric, thus realizes carrying out friction test with the friction mode in point or line or face.Barometer 36 is provided with, for the air pressure change in monitoring and test connecting pipe 33 at the top of described test connecting pipe 33.
Described friction member 32 is a pair eccentric wheel 321a, 321b, and antithesis friction material is coated on eccentric wheel 321a, 321b outer circumferential side respectively.
Shown in composition graphs 1, Fig. 3 and Fig. 4: described actuating unit 4 comprises the first motor 41, gear train 42, back and forth platform 43, fixing support rack 44 and the second motor 45, first motor 41 is connected with gear train 42, and described eccentric wheel 321a, 321b are arranged on the side of reciprocal platform 43 and are connected with gear train 42; Described first motor 41 and gear train 42 are installed on reciprocal platform 43, and this reciprocal platform 43 is arranged on fixing support rack movably; The second motor 45 be arranged on fixing support rack drives reciprocal platform 43 to move horizontally.Described first motor 41 and described second motor 45 are stepper motor.
Described gear train 42 is a pair tumbler gear 421a, 421b, a pair tumbler gear 421a, 421b engage with the motor gear 441 on the output shaft being fixed in the first motor 41 respectively and arrange, tumbler gear 421a is connected with eccentric wheel 321a by the outer shaft 46 being arranged with axle sleeve, and tumbler gear 421b is connected with eccentric wheel 321b by the Inner axle 47 being arranged on outer shaft 46 inside.Described eccentric wheel 321a, 321b are under the driving of the first motor 41, occur and the relative movement of described test member 31, thus make the fabric to be measured being arranged on test member 31 end carry out friction test with the antithesis friction material being coated on eccentric wheel 321a, 321b outer circumferential side.
Device described in the present embodiment is utilized to carry out the process of fabric anti-wear performance test as follows:
A) fabric to be measured is wrapped in the end of test member 31, by sealing hoop 35, test member 31 and fabric to be measured sealing is arranged on the gas outlet place of test connecting pipe 33; Adjustment test connecting pipe 33 end and the distance between eccentric wheel 321a, 321b;
B) open constant temperature oven 5, source of the gas mechanism 1 and control damper 22, the gas that source of the gas mechanism 1 output temperature is constant, gas enters pneumatic convey mechanism 2; Gas is after air-flow voltage stabilizer 23 voltage stabilizing, and a part of gas is expelled in constant temperature oven 5 from discharge orifice 24, and a part of gas is delivered in gas meter 25; Gas in gas meter 25 is delivered in test connecting pipe 33; Gas in described test connecting pipe 33 is delivered in test member 31, and gas is successively through air hole, the fabric to be measured of test member 31;
C) atmospheric pressure value under original state and gas flow values is recorded;
D) open the second motor 45, drive eccentric wheel 321a, 321b axially to move horizontally, antithesis friction material is contacted with fabric to be measured;
E) the first motor 41 is opened, driven by gear train 42 that eccentric wheel 321a is rotated counterclockwise, eccentric wheel 321b turns clockwise, realize fabric to be measured and antithesis friction material carries out friction test, that is: fabric to be measured and the upper antithesis friction material wrapped up of eccentric wheel 321a, 321b form the secondary that rubs, antithesis friction material drives fabric relatively to be measured to do Cartesian coordinates three-dimensional motion, with friction that is virtually reality like reality by eccentric wheel 321a, 321b;
F) change by observing the gas flow values in friction process or atmospheric pressure value occur, the hole change that fabric to be measured occurs through friction can be known, thus the anti-wear performance of reflection fabric, such as: if there is the sudden change of gas flow values, to illustrate that fabric to be measured occurs more greatly or comparatively concrete dynamic modulus through friction.
Finally be necessary to herein means out: the foregoing is only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (10)
1. one kind for testing the device of fabric anti-wear performance, it is characterized in that, comprise: source of the gas mechanism, and be arranged on pneumatic convey mechanism in same constant temperature oven, mechanism for testing and actuating unit, described mechanism for testing comprises test member and friction member, and the end opens of described test member has air hole; Described source of the gas mechanism is connected with described pneumatic convey mechanism, and described test member is connected with described pneumatic convey mechanism, and described friction member is connected with actuating unit; Under the driving of actuating unit, test member and friction member generation relative movement, thus make to be arranged between the fabric to be measured of test member end with the friction material be arranged on friction member phase mutual friction can occur.
2. device according to claim 1, is characterized in that: described source of the gas organization establishes is in constant temperature oven.
3. device according to claim 1 and 2, it is characterized in that: described source of the gas mechanism comprises gas compressor, heat exchanger, refrigeration machine and heat pump, described heat exchanger is arranged on the gas outlet place of gas compressor, and described heat exchanger is connected with refrigeration machine, heat pump respectively.
4. device according to claim 1, it is characterized in that: described pneumatic convey mechanism comprises air delivery tube, control damper, air-flow voltage stabilizer and gas meter, the air intake of described air delivery tube is connected with the gas outlet of source of the gas mechanism, described control damper and air-flow voltage stabilizer are arranged on the path of air delivery tube with series winding form, and the gas outlet of described air delivery tube is connected with the air intake of described gas meter; Air delivery tube between described air-flow voltage stabilizer and gas meter offers discharge orifice.
5. device according to claim 1, is characterized in that: described mechanism for testing also comprises test connecting pipe and flexible gas piping; The air intake of described test connecting pipe is connected by the gas outlet of flexible gas piping with pneumatic convey mechanism, and described test member sealing is arranged on the gas outlet place of test connecting pipe.
6. device according to claim 5, is characterized in that: be provided with barometer at the top of described test connecting pipe.
7. device according to claim 5, is characterized in that: described test connecting pipe and described test member form detachable matching relationship, and the end of described test member is coniform or blade-like or cylindric.
8. device according to claim 1, is characterized in that: described friction member is one group of eccentric wheel, and described friction material is coated on eccentric wheel outer circumferential side.
9. device according to claim 1, it is characterized in that: described actuating unit comprises the first motor, gear train, back and forth platform, fixing support rack and the second motor, described first motor is connected with described gear train, described gear train is connected with described mechanism for testing, described first motor and gear train are installed on reciprocal platform, and this reciprocal platform can be arranged on fixing support rack with moving horizontally; The second motor be arranged on fixing support rack drives reciprocal plateau levels to move.
10. device according to claim 9, is characterized in that: described gear train comprises a pair tumbler gear, and a pair tumbler gear engages with the motor gear on the output shaft being fixed in the first motor respectively and arrange; And one of them tumbler gear is connected with mechanism for testing by outer shaft, another tumbler gear is wherein connected with mechanism for testing by the Inner axle being arranged on outer shaft inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486168.2A CN105043912B (en) | 2015-08-10 | 2015-08-10 | A kind of device for being used to test fabric anti-wear performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486168.2A CN105043912B (en) | 2015-08-10 | 2015-08-10 | A kind of device for being used to test fabric anti-wear performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105043912A true CN105043912A (en) | 2015-11-11 |
| CN105043912B CN105043912B (en) | 2017-08-25 |
Family
ID=54450630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510486168.2A Expired - Fee Related CN105043912B (en) | 2015-08-10 | 2015-08-10 | A kind of device for being used to test fabric anti-wear performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105043912B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547887A (en) * | 2016-01-08 | 2016-05-04 | 广东硕源科技股份有限公司 | Mop wear resistance tester |
| CN109520877A (en) * | 2018-12-06 | 2019-03-26 | 龙培文 | A kind of clothing cloth wearability test equipment |
| CN117169038A (en) * | 2023-11-01 | 2023-12-05 | 恒劢安全防护用品（南通）有限公司 | Method and device for testing wear resistance of finger contact surface of protective glove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2285513B (en) * | 1991-05-23 | 1996-01-17 | Heal James H & Co Ltd | Improvements in or relating to the testing of fabrics |
| JPH08189885A (en) * | 1995-01-09 | 1996-07-23 | Toray Ind Inc | Cut-resistance testing device for protective material |
| CN103528946A (en) * | 2013-10-28 | 2014-01-22 | 天津工业大学 | Fabric friction coefficient measurement instrument |
| CN204255783U (en) * | 2014-12-19 | 2015-04-08 | 温州际高检测仪器有限公司 | Multi-functional wear-resisting balling-up tester |
| CN204831951U (en) * | 2015-08-10 | 2015-12-02 | 上海工程技术大学 | Surface fabric wear resistance testing arrangement |
-
2015
- 2015-08-10 CN CN201510486168.2A patent/CN105043912B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2285513B (en) * | 1991-05-23 | 1996-01-17 | Heal James H & Co Ltd | Improvements in or relating to the testing of fabrics |
| JPH08189885A (en) * | 1995-01-09 | 1996-07-23 | Toray Ind Inc | Cut-resistance testing device for protective material |
| CN103528946A (en) * | 2013-10-28 | 2014-01-22 | 天津工业大学 | Fabric friction coefficient measurement instrument |
| CN204255783U (en) * | 2014-12-19 | 2015-04-08 | 温州际高检测仪器有限公司 | Multi-functional wear-resisting balling-up tester |
| CN204831951U (en) * | 2015-08-10 | 2015-12-02 | 上海工程技术大学 | Surface fabric wear resistance testing arrangement |
Non-Patent Citations (2)
| Title |
|---|
| JIANXIA SU ET AL.: ""Improved Minimum Distance Discrimination Method Used in Image Analysis of Fabric Wear Resistance"", 《APPLIED MECHANICS AND MATERIALS》 * |
| 杨东茹 等: ""服用涂层面料折边耐磨性检测及评价方法"", 《科苑观察》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547887A (en) * | 2016-01-08 | 2016-05-04 | 广东硕源科技股份有限公司 | Mop wear resistance tester |
| CN109520877A (en) * | 2018-12-06 | 2019-03-26 | 龙培文 | A kind of clothing cloth wearability test equipment |
| CN117169038A (en) * | 2023-11-01 | 2023-12-05 | 恒劢安全防护用品（南通）有限公司 | Method and device for testing wear resistance of finger contact surface of protective glove |
| CN117169038B (en) * | 2023-11-01 | 2024-04-05 | 恒劢安全防护用品（南通）有限公司 | Method and device for testing wear resistance of finger contact surface of protective glove |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105043912B (en) | 2017-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204831951U (en) | Surface fabric wear resistance testing arrangement | |
| CN105043912A (en) | Device for testing fabric wear resistance | |
| CA2554206C (en) | Medium, method and system for proving a turbine meter | |
| CN104390803B (en) | Refrigerant supply device for refrigerator heat exchanger performance test system and test method | |
| CN107035676B (en) | The controllable cryogenic pump external characteristics experimental rig of medium phase transformation inducement and test method | |
| CN103890552A (en) | Piston prover apparatus, method and system | |
| CN108479865A (en) | It is a kind of can simulated high altitude climatic environment experimental rig | |
| CN107702768A (en) | A kind of pressure-air big flow field calibration device and method | |
| CN201666840U (en) | Sealing performance detector of sealing element | |
| CN101718636A (en) | Full-height fan flow rate-pressure rise test device and test method | |
| CN208024614U (en) | It is a kind of using helium as the closed cycle Compressor test platform of working medium | |
| US8342009B2 (en) | Method for determining steampath efficiency of a steam turbine section with internal leakage | |
| CN205388506U (en) | Circulating high -pressure gas flow rate standard facility | |
| CN106556430A (en) | A kind of gas Actual flow test system and method with self-calibration function | |
| CN207649857U (en) | A kind of full-automatic four stations air tightness detection machine | |
| CN109540420A (en) | A kind of PE ball valve detection device | |
| CN206208353U (en) | A kind of gas Actual flow test device with self-calibration function | |
| CN207600725U (en) | A kind of high temperature, high pressure, angle swinging test system | |
| Reed et al. | Development of a valved linear compressor for a satellite borne J–T cryocooler | |
| CN112414719A (en) | Self-circulation closed type turbine part test system | |
| CN106323851A (en) | Testing system for material erosion resistance | |
| CN106287203A (en) | A kind of novel double fluid gauge LNG filling machine | |
| CN207181012U (en) | A kind of performance testing device of electromagnetism heating power expansion valve | |
| KR101109249B1 (en) | Apparatus for Regulating Concentricity of Pipe and System having the Same | |
| CN206889237U (en) | The controllable cryogenic pump external characteristics experimental rig of medium phase transformation inducement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 |