CN103822778A - Corrugated pipe service life tester - Google Patents

Corrugated pipe service life tester Download PDF

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Publication number
CN103822778A
CN103822778A CN201410072117.0A CN201410072117A CN103822778A CN 103822778 A CN103822778 A CN 103822778A CN 201410072117 A CN201410072117 A CN 201410072117A CN 103822778 A CN103822778 A CN 103822778A
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China
Prior art keywords
fixedly connected
cylinder
corrugated pipe
service life
corrugated tube
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CN201410072117.0A
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CN103822778B (en
Inventor
单钻锋
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ZHEJIANG GARDEN ELECTRONIC TECHNOLOGY Co Ltd
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ZHEJIANG GARDEN ELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN201410072117.0A priority Critical patent/CN103822778B/en
Publication of CN103822778A publication Critical patent/CN103822778A/en
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Abstract

The invention relates to a corrugated pipe service life tester which comprises a machine frame, a base, a center rod, multiple connectors, a pressing plate and a pressing die. The pressing die is arranged on the pressing plate in a penetrating mode, the base is provided with a first air hole, the machine frame is provided with an air source assembly used for feeding air into the first air hole, the air gas assembly is fixedly connected with a pressure controller, a power device is arranged on the position, above the pressing plate, of the machine frame, and the power device is connected with a circuit control system. The corrugated pipe service life tester has the advantages that the air is fed into the first air hole through the air source assembly so that a corrugated pipe on the base is filled with the air, the power device controls the pressing die to compress on the connectors, the pressure controller detects air pressure changes of the gas in the corrugated pipe, reacts and feeds the changes to the circuit control system to stop the detection process, the similarity of simulation situations and actual situations is high, measured data are accurate, universality is high and detection efficiency is high.

Description

Corrugated pipe service life tester
Technical field
The present invention relates to corrugated pipe service life tester.
Background technology
Corrugated tube has the cylinder-shaped thin wall wrinkle housing of multiple transverse waves, the tubulose elastic sensing element connecting into along folding retractable direction with collapsible wrinkle sheet, the life-span of current tin bronze corrugated tube with buncher driving cam and drive push rod up and down reciprocatingly shuttling movement test, its method is; Push rod is stretched into bellows interior, and it is original state that push rod and corrugated tube top rigidly connect when touching and not stressing, and cam rotates and drives push rod to move up and down critical distance for test stroke, so after shuttling movement, often checks after a while that corrugated tube has crack-free.The method complex operation, efficiency is low, and in test process, does not have the moment to check bellows bursts situation, causes corrugated tube testing data of life-span not accurate enough.
Summary of the invention
The technical problem to be solved in the present invention is that existing corrugated tube can accurately not measured life-span number of times in life test process, thereby corrugated pipe service life tester is provided.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: corrugated pipe service life tester, comprise frame, be fixedly connected on the pedestal in frame, be fixedly connected on the center-pole on pedestal, several are fixedly connected on pedestal for connecting the connector of detected corrugated tube, on described center-pole, be fixedly connected with a block pressur plate, on the described pressing plate of each connector top, be equipped with one for making tested corrugated tube make the pressing mold of compression movement on connector, the top of described pressing mold is higher than the height of pressing plate, described pressing mold is located on pressing plate, described pedestal is provided with every velamen and surveys the first pore that corrugated tube communicates, described frame is provided with to the source of the gas assembly of ventilating in the first pore, on described source of the gas assembly, be fixedly connected with for detection of the corrugated tube pressure controller in serviceable life, the connecting tube that described source of the gas assembly is connected with the first pore is provided with switching throttling valve, the frame of described pressing plate top is provided with controls the propulsion system that pressing mold moves up and down at pressing plate, on described propulsion system, be connected with the circuit control system of driving power device work, described frame is provided with the travel switch of controlling propulsion system movable stroke in frame, the gentle source component of described travel switch is all connected with circuit control system.
Preferably, described propulsion system comprise cylinder, be fixedly connected on briquetting on cylinder, be fixedly connected on the postive stop baffle that contacts with travel switch on cylinder, be fixed on the solenoid valve for control cylinder work on cylinder, described solenoid valve is connected with circuit control system, described source of the gas assembly is connected with circuit control system by solenoid valve, the supply of the gentle source component of solenoid control cylinder operation, guarantee that corrugated tube detects under normal pressure, cylinder operation is convenient, Practical Performance is good, convenient operation.
Preferably, described circuit control system is provided with the time relay for controlling electromagnetic valve work and for showing the counter of life value after each tested corrugated tube test, can effectively guarantee normally carrying out of work by time relay control electromagnetic valve work, safe and reliable, by counter, tested corrugated tube is carried out to data demonstration, be convenient to testing staff and observe, Practical Performance is good.
Preferably, described source of the gas assembly comprises the valve piece being fixedly connected in frame, the speed regulation throttle valve being connected with valve piece, the air pressure regulator being connected with speed regulation throttle valve, described air pressure regulator is connected with solenoid valve, described pressure controller is connected with valve piece, regulate the pressure under original state to arrive suitable force value by air pressure adjusting variable valve, guarantee the normal operation of test, be convenient to read test findings.
Preferably, described frame comprises that base plate, two are fixedly connected on base plate upper pillar stand, are fixedly connected on the fixed head on two root posts, described cylinder is fixedly connected on the top of fixed head, described fixed head is provided with to be convenient to cylinder piston rod and to wear movable movable span, and described briquetting is fixedly connected on cylinder by nut, and described postive stop baffle is fixedly connected on the cylinder between briquetting and cylinder, described travel switch is fixedly connected on fixed head, connect reliably, simple in structure, good practical effect.
Preferably, the xsect of described postive stop baffle on cylinder is L shaped, and the horizontal part of described postive stop baffle is arranged on cylinder, the vertical portion of described postive stop baffle is connected with limit switch, and L shaped postive stop baffle is easy for installation, connects reliable, be convenient to contact with limit switch good practical effect.
Preferably, on each described connector, be equipped with one tested corrugated tube is fixedly connected on to the nut on connector, be convenient to corrugated tube and be fixedly connected on connector, be convenient to corrugated tube and detect, good practical effect, easy installation and removal.
In sum, advantage of the present invention: inflate in the first pore by source of the gas assembly, make to be arranged on the bellows interior gassy on pedestal, propulsion system control pressing mold makes corrugated tube on connector, do compression movement and makes a response by the air pressure change situation that pressure controller detects gassiness bellows interior, feed back to circuit control system again and stop testing process, analog case and practical situation similarity are high, and measurement data is accurate, versatility is stronger, and detection efficiency is high.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of line corrugated pipe service life tester of the present invention.
Embodiment
As shown in Figure 1, corrugated pipe service life tester, comprise frame 30, be fixedly connected on the pedestal 6 in frame 30, be fixedly connected on the center-pole 15 on pedestal 6, several are fixedly connected on pedestal 6 for connecting the connector 20 of detected corrugated tube 18, on described center-pole 15, be fixedly connected with a block pressur plate 17, on the described pressing plate 17 of each connector 20 tops, be equipped with one for making tested corrugated tube 18 make the pressing mold 16 of compression movement on connector 20, the top of described pressing mold 16 is higher than the height of pressing plate 17, described pressing mold 16 is located on pressing plate 17, described pedestal 6 is provided with every velamen and surveys the first pore 27 that corrugated tube 18 communicates, described frame 30 is provided with to the source of the gas assembly of the first pore 27 interior ventilations, on described source of the gas assembly, be fixedly connected with for detection of the corrugated tube pressure controller 23 in 18 serviceable lifes, described source of the gas assembly is provided with switching throttling valve 22 with the connecting tube that the first pore 27 is connected, the frame 30 of described pressing plate 17 tops is provided with controls the propulsion system that pressing mold 16 moves up and down at pressing plate 17, on described propulsion system, be connected with the circuit control system 25 of driving power device work, described frame 30 is provided with the travel switch 13 of controlling propulsion system movable stroke in frame 30, the gentle source component of described travel switch 13 is all connected with circuit control system 25, described propulsion system comprise cylinder 11, be fixedly connected on the briquetting 7 on cylinder 11, be fixedly connected on the postive stop baffle 14 contacting with travel switch 13 on cylinder 11, be fixed on the solenoid valve 10 of working for control cylinder 11 on cylinder, described solenoid valve 10 is connected with circuit control system 25, described source of the gas assembly is connected with circuit control system 25 by solenoid valve 10, the work supply of gentle source component of solenoid valve 10 control cylinders 11, guarantee that corrugated tube 18 detects under normal pressure, cylinder 11 work are convenient, Practical Performance is good, convenient operation, described circuit control system 25 is provided with for controlling the time relay 28 that solenoid valve 10 works and for showing the counter 24 of life value after each tested corrugated tube 18 tests, control solenoid valve 10 work by the time relay 28 and can effectively guarantee normally carrying out of work, safe and reliable, by counter 24, tested corrugated tube 18 is carried out to data demonstration, being convenient to testing staff observes, Practical Performance is good, described source of the gas assembly comprises the valve piece 4 being fixedly connected in frame 30, the speed regulation throttle valve 2 being connected with valve piece 4, the air pressure regulator 3 being connected with speed regulation throttle valve 2, described air pressure regulator 3 is connected with solenoid valve 10, described pressure controller 23 is connected with valve piece 4, regulate the pressure under original state to arrive suitable force value by air pressure adjusting variable valve 3, guarantee the normal operation of test, be convenient to read test findings, described frame 30 comprises base plate 1, two are fixedly connected on base plate 1 upper pillar stand 5, be fixedly connected on the fixed head 9 on two root posts 5, described cylinder 11 is fixedly connected on the top of fixed head 9, described fixed head 9 is provided with to be convenient to cylinder 11 piston rods and to wear movable movable span, described briquetting 7 is fixedly connected on cylinder 11 by nut 198, described postive stop baffle 14 is fixedly connected on the cylinder 11 between briquetting 7 and cylinder 11, described travel switch 13 is fixedly connected on fixed head 9, connect reliable, simple in structure, good practical effect, the xsect of described postive stop baffle 14 on cylinder 11 is L shaped, the horizontal part of described postive stop baffle 14 is arranged on cylinder 11, the vertical portion of described postive stop baffle 14 is connected with limit switch, L shaped postive stop baffle 14 is easy for installation, connect reliable, be convenient to contact with limit switch, good practical effect, on each described connector 20, be equipped with one tested corrugated tube 18 is fixedly connected on to the nut on connector 20, being convenient to corrugated tube 18 is fixedly connected on connector 20, being convenient to corrugated tube 18 detects, good practical effect, easy installation and removal.
Corrugated tube 18 is contained on connector 20, fix with nut 19, opening air pressure regulator 3 regulates origin pressure to suitable force value, regulate pressure controller 23 to suitable controlling value, open switching throttling valve 22 to maximum, start-up circuit control system 25, the time relay 28 starts timing and controls solenoid valve 10, move downwards by solenoid valve 10 control cylinders 11, drive briquetting 7 to follow descending, briquetting 7 goes downwards to pressing mold 16 upper ends and drives pressing mold 16 to press down together, also drive corrugated tube 18 to carry out compressed action simultaneously, briquetting 7 is slack to pressing plate 17 places, after the time relay 28 timing times arrive, shed the control to solenoid valve 10, upwards move by solenoid valve 10 control cylinders 11, drive postive stop baffle 14 to follow up, corrugated tube 18 resets, postive stop baffle 14 is up until stop while touching travel switch 13 up, the closed rear signal of travel switch 13 is delivered to circuit control system 25 simultaneously, circuit control system 25 starts again control time relay 28 and carries out the next one action cycle, in the present invention, the test trip of corrugated tube 18 is the lower end distance of connector 20 to pressing mold 16, move up and down by pressing mold 16 test trip of controlling corrugated tube 18 and carry out loop cycle, when breaking appears in corrugated tube 18, pressure can leak, in the time adding to the gas content that the gas of corrugated tube 18 leaks lower than the corrugated tube 18 breaking in speed regulation throttle valve 2, the pressure of pressure controller 23 inside can be lower than setting value, pressure controller 23 is delivered to signal in circuit control system 25, circuit control system 25 can stop operation of the present invention according to feedback, the data that counter 24 shows are exactly the accurate experiment life-span number of times of this corrugated tube 18, close the switching throttling valve 22 that the corrugated tube 18 that breaks with this is connected, the corrugated tube 18 also not breaking is in addition proceeded to durability test, until all corrugated tubes 18 break, counter 24 shown data after corrugated tube 18 breaks are the accurate test life values of this batch of corrugated tube 18.
Inflate in the first pore by source of the gas assembly, make to be arranged on the bellows interior gassy on pedestal, propulsion system control pressing mold makes corrugated tube on connector, do compression movement and makes a response by the air pressure change situation that pressure controller detects gassiness bellows interior, feed back to again circuit control system and stop testing process, analog case and practical situation similarity are high, measurement data is accurate, and versatility is stronger, and detection efficiency is high.

Claims (7)

1. corrugated pipe service life tester, it is characterized in that: comprise frame (30), be fixedly connected on the pedestal (6) in frame (30), be fixedly connected on the center-pole (15) on pedestal (6), it is upper for connecting the connector (20) of detected corrugated tube that several are fixedly connected on pedestal (6), on described center-pole (15), be fixedly connected with a block pressur plate (17), on the described pressing plate (17) of each connector (20) top, be equipped with one for making tested corrugated tube make the pressing mold (16) of compression movement on connector, the top of described pressing mold (16) is higher than the height of pressing plate (17), described pressing mold (16) is located on pressing plate (17), described pedestal (6) is provided with every velamen and surveys the first pore (27) that corrugated tube (18) communicates, described frame (30) is provided with to the source of the gas assembly of the interior ventilation of the first pore (27), on described source of the gas assembly, be fixedly connected with for detection of the corrugated tube pressure controller in serviceable life (23), the connecting tube that described source of the gas assembly is connected with the first pore (27) is provided with switching throttling valve (22), the frame (30) of described pressing plate (17) top is provided with controls the propulsion system that pressing mold (16) moves up and down at pressing plate (17), on described propulsion system, be connected with the circuit control system (25) of driving power device work, described frame (30) is provided with controls the travel switch (13) of propulsion system at the upper movable stroke of frame (30), the gentle source component of described travel switch (13) is all connected with circuit control system (25).
2. corrugated pipe service life tester according to claim 1, it is characterized in that: described propulsion system comprise cylinder (11), be fixedly connected on briquetting (7) on cylinder (11), be fixedly connected on the upper postive stop baffle (14) contact with travel switch (13) of cylinder (11), be fixed on the solenoid valve (10) of working for control cylinder (11) on cylinder (11), described solenoid valve (10) is connected with circuit control system (25), and described source of the gas assembly is connected with circuit control system (25) by solenoid valve (10).
3. corrugated pipe service life tester according to claim 2, is characterized in that: described circuit control system (25) is provided with the time relay (28) for controlling solenoid valve (10) work and for showing the counter (24) of life value after each tested corrugated tube test.
4. corrugated pipe service life tester according to claim 2, it is characterized in that: described source of the gas assembly comprises the valve piece (4) being fixedly connected in frame (30), the speed regulation throttle valve (2) being connected with valve piece (4), the air pressure regulator (3) being connected with speed regulation throttle valve (2), described air pressure regulator (3) is connected with solenoid valve (10), and described pressure controller (23) is connected with valve piece (4).
5. corrugated pipe service life tester according to claim 2, it is characterized in that: described frame (30) comprises base plate (1), two are fixedly connected on base plate (1) upper pillar stand (5), be fixedly connected on the fixed head (9) on two root posts (5), described cylinder (11) is fixedly connected on the top of fixed head (9), described fixed head is provided with to be convenient to cylinder piston rod and to wear movable movable span, described briquetting (7) is fixedly connected on cylinder (11) by nut (8), described postive stop baffle (14) is fixedly connected on the cylinder (11) between briquetting (7) and cylinder (11), described travel switch (13) is fixedly connected on fixed head (9).
6. corrugated pipe service life tester according to claim 5, it is characterized in that: the xsect of described postive stop baffle (14) on cylinder (11) is L shaped, the horizontal part of described postive stop baffle (14) is arranged on cylinder, and the vertical portion of described postive stop baffle (14) is connected with limit switch.
7. corrugated pipe service life tester according to claim 1, is characterized in that: on each described connector (20), be equipped with one tested corrugated tube (18) is fixedly connected on to the nut (19) on connector.
CN201410072117.0A 2014-02-28 2014-02-28 corrugated pipe service life tester Active CN103822778B (en)

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Application Number Priority Date Filing Date Title
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CN103822778B CN103822778B (en) 2016-06-22

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104122833A (en) * 2014-07-24 2014-10-29 俞云良 Automatic debugging device and method for dish-washing machine pressure switch
CN104359635A (en) * 2014-11-24 2015-02-18 中国航空动力机械研究所 Multifunctional all-working-condition metal elastic sealing ring testing device
CN108020404A (en) * 2017-11-07 2018-05-11 芜湖赛宝信息产业技术研究院有限公司 A kind of car light button durability test apparatus
CN110823439A (en) * 2019-11-22 2020-02-21 无锡市金都波纹管有限公司 Bellows vacuum helium-charging air sealing device
CN111982485A (en) * 2020-08-20 2020-11-24 上海海事大学 Testing system for flexible connection joint
CN113702154A (en) * 2021-08-16 2021-11-26 六安一六八航空航天精密器件有限公司 Bellows high pressure life test bench
CN114112237A (en) * 2021-11-18 2022-03-01 浙江宝森波纹管有限公司 Metal corrugated pipe load life testing device and implementation method thereof

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CN2704037Y (en) * 2004-06-09 2005-06-08 中国第一汽车集团公司 Corrugated pipe and expansion joint axial and radical detection test bed
CN2781347Y (en) * 2005-04-11 2006-05-17 周平钢 Spring fatigue testing machine
CN201083618Y (en) * 2007-10-12 2008-07-09 沈阳仪表科学研究院 Metal corrugated pipe swinging test device
CN201600295U (en) * 2009-11-27 2010-10-06 沈阳仪表科学研究院 Labor-saving fatigue testing device for metal bellows
CN201909738U (en) * 2010-12-15 2011-07-27 中国科学院金属研究所 Fatigue test device of large-scale bellows component
CN102564842A (en) * 2010-12-15 2012-07-11 中国科学院金属研究所 Fatigue test device and fatigue test method of large corrugated pipe member
CN203705162U (en) * 2014-02-28 2014-07-09 浙江花园电子科技有限公司 Bellows life testing machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2704037Y (en) * 2004-06-09 2005-06-08 中国第一汽车集团公司 Corrugated pipe and expansion joint axial and radical detection test bed
CN2781347Y (en) * 2005-04-11 2006-05-17 周平钢 Spring fatigue testing machine
CN201083618Y (en) * 2007-10-12 2008-07-09 沈阳仪表科学研究院 Metal corrugated pipe swinging test device
CN201600295U (en) * 2009-11-27 2010-10-06 沈阳仪表科学研究院 Labor-saving fatigue testing device for metal bellows
CN201909738U (en) * 2010-12-15 2011-07-27 中国科学院金属研究所 Fatigue test device of large-scale bellows component
CN102564842A (en) * 2010-12-15 2012-07-11 中国科学院金属研究所 Fatigue test device and fatigue test method of large corrugated pipe member
CN203705162U (en) * 2014-02-28 2014-07-09 浙江花园电子科技有限公司 Bellows life testing machine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104122833A (en) * 2014-07-24 2014-10-29 俞云良 Automatic debugging device and method for dish-washing machine pressure switch
CN104122833B (en) * 2014-07-24 2017-01-25 广东赛普电器制造有限公司 Automatic debugging device and method for dish-washing machine pressure switch
CN104359635A (en) * 2014-11-24 2015-02-18 中国航空动力机械研究所 Multifunctional all-working-condition metal elastic sealing ring testing device
CN108020404A (en) * 2017-11-07 2018-05-11 芜湖赛宝信息产业技术研究院有限公司 A kind of car light button durability test apparatus
CN110823439A (en) * 2019-11-22 2020-02-21 无锡市金都波纹管有限公司 Bellows vacuum helium-charging air sealing device
CN111982485A (en) * 2020-08-20 2020-11-24 上海海事大学 Testing system for flexible connection joint
CN113702154A (en) * 2021-08-16 2021-11-26 六安一六八航空航天精密器件有限公司 Bellows high pressure life test bench
CN114112237A (en) * 2021-11-18 2022-03-01 浙江宝森波纹管有限公司 Metal corrugated pipe load life testing device and implementation method thereof
CN114112237B (en) * 2021-11-18 2024-04-23 浙江宝森波纹管有限公司 Metal corrugated pipe load life testing device and implementation method thereof

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