CN103822778B - corrugated pipe service life tester - Google Patents
corrugated pipe service life tester Download PDFInfo
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- CN103822778B CN103822778B CN201410072117.0A CN201410072117A CN103822778B CN 103822778 B CN103822778 B CN 103822778B CN 201410072117 A CN201410072117 A CN 201410072117A CN 103822778 B CN103822778 B CN 103822778B
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Abstract
The present invention relates to corrugated pipe service life tester, including frame, pedestal, center-pole, several union joints, pressing plate, pressing mold, described pressing mold is located on pressing plate, described pedestal is provided with the first pore, described frame is provided with in the first pore the source of the gas assembly of ventilation, being fixedly connected with pressure controller on described source of the gas assembly, the frame above described pressing plate is provided with power set, and described power set are connected to circuit control system；Advantages of the present invention: inflated in the first pore by source of the gas assembly, make the bellows interior gassy being arranged on pedestal, power set control pressing mold to be made corrugated tube do compression on union joint to move through pressure controller and make a response to the air pressure change situation detecting gassiness bellows interior, feed back to circuit control system again to stop detection process, analog case is high with practical situation similarity, measurement data is accurate, and versatility is relatively strong, and detection efficiency is high。
Description
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 wave, the tubular elastomeric sensing element connected into along folding retractable direction with collapsible wrinkle sheet, the life-span of current tin bronze corrugated tube is with buncher driving cam and drives push rod up and down reciprocatingly shuttling movement to test, and its method is；Push rod stretching into bellows interior, is original state when push rod has just contacted with corrugated tube top and do not stressed, cam rotation drives push rod up and down motion critical distance for test stroke, and after such shuttling movement, every corrugated tube of inspection after a while has crack-free。The method complex operation, efficiency is low, and in test process, the moment does not 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 measure life-span number of times in Lifetest procedure, thus providing corrugated pipe service life tester。
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions: corrugated pipe service life tester, including frame, it is fixedly connected on the pedestal in frame, it is fixedly connected on the center-pole on pedestal, several are fixedly connected on pedestal for connecting the union joint of detected corrugated tube, described center-pole is fixedly connected with a block pressur plate, described pressing plate above each union joint is equipped with a pressing mold for making tested corrugated tube do compression motion on union joint, 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 the first pore communicated with every tested corrugated tube, described frame is provided with in the first pore the source of the gas assembly of ventilation, described source of the gas assembly is fixedly connected with the pressure controller for detecting corrugated tube service life, the connection pipeline that described source of the gas assembly and the first pore connect is provided with switching throttling valve, frame above described pressing plate is provided with and controls the power set that pressing mold moves up and down at pressing plate, described power set are connected to the circuit control system of driving power device work, described frame is provided with control power set travel switch of active strokes in frame, the gentle source component of described travel switch is all connected with circuit control system。
Preferably, described power set include cylinder, be fixedly connected on cylinder briquetting, the postive stop baffle being fixedly connected on cylinder to contact with travel switch, it is fixed on cylinder for controlling the electromagnetic valve of cylinder operation, described electromagnetic valve is connected with circuit control system, described source of the gas assembly is connected with circuit control system by electromagnetic valve, electromagnetic valve controls the supply of the gentle source component of cylinder operation, ensure that corrugated tube detects under normal pressure, cylinder operation is convenient, Practical Performance is good, it is simple to operation。
Preferably, described circuit control system is provided with the time relay for controlling electromagnetic valve work and for showing the enumerator of life value after the test of each tested corrugated tube, control electromagnetic valve work by the time relay and can effectively ensure being normally carried out of work, safe and reliable, by enumerator, tested corrugated tube is carried out data to show, being easy to testing staff observe, Practical Performance is good。
Preferably, described source of the gas assembly includes the valve block being fixedly connected in frame, the speed regulation throttle valve being connected with valve block, the air pressure regulator that is connected with speed regulation throttle valve, described air pressure regulator is connected with electromagnetic valve, described pressure controller is connected with valve block, by the pressure under air pressure adjusting adjustment valve regulation original state to suitable force value, ensure that the properly functioning of test, it is simple to read result of the test。
Preferably, described frame includes base plate, two fixing plates being fixedly connected on base plate upper pillar stand, being fixedly connected on two root posts, described cylinder is fixedly connected on the top of fixing plate, described fixing plate be provided be easy to cylinder piston rod wear activity movable span, 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 fixing plate, connect reliable, simple in construction, good practical effect。
Preferably, described postive stop baffle cross section 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, it is easy to contact with limit switch, good practical effect。
Preferably, each described union joint is equipped with a nut being fixedly connected on union joint by tested corrugated tube, it is simple to corrugated tube is fixedly connected on union joint, it is simple to corrugated tube detects, good practical effect, easy installation and removal。
In sum, advantages of the present invention: inflated in the first pore by source of the gas assembly, make the bellows interior gassy being arranged on pedestal, power set control pressing mold to be made corrugated tube do compression on union joint to move through pressure controller and make a response to the air pressure change situation detecting gassiness bellows interior, feeding back to circuit control system again to stop detection process, analog case is high with practical situation similarity, and measurement data is accurate, versatility is relatively strong, 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。
Detailed description of the invention
As shown in Figure 1, corrugated pipe service life tester, including frame 30, it is fixedly connected on the pedestal 6 in frame 30, it is fixedly connected on the center-pole 15 on pedestal 6, several are fixedly connected on pedestal 6 for connecting the union joint 20 of detected corrugated tube 18, described center-pole 15 is fixedly connected with a block pressur plate 17, described pressing plate 17 above each union joint 20 is equipped with a pressing mold 16 for making tested corrugated tube 18 do compression motion on union joint 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 the first pore 27 communicated with every tested corrugated tube 18, described frame 30 is provided with in the first pore 27 the source of the gas assembly of ventilation, described source of the gas assembly is fixedly connected with the pressure controller 23 for detecting corrugated tube 18 service life, the connection pipeline that described source of the gas assembly and the first pore 27 connect is provided with switching throttling valve 22, frame 30 above described pressing plate 17 is provided with and controls the power set that pressing mold 16 moves up and down at pressing plate 17, described power set are connected to the circuit control system 25 of driving power device work, described frame 30 is provided with the travel switch 13 controlling power set active strokes in frame 30, the described gentle source component of travel switch 13 is all connected with circuit control system 25, described power set include cylinder 11, it is fixedly connected on the briquetting 7 on cylinder 11, the postive stop baffle 14 being fixedly connected on cylinder 11 to contact with travel switch 13, it is fixed on cylinder for controlling the electromagnetic valve 10 of cylinder 11 work, described electromagnetic valve 10 is connected with circuit control system 25, described source of the gas assembly is connected with circuit control system 25 by electromagnetic valve 10, electromagnetic valve 10 controls cylinder 11 and works the supply of gentle source component, ensure that corrugated tube 18 detects under normal pressure, cylinder 11 work is convenient, Practical Performance is good, it is easy to operation, described circuit control system 25 is provided with the time relay 28 for controlling electromagnetic valve 10 work and for showing the enumerator 24 of life value after the test of each tested corrugated tube 18, control electromagnetic valve 10 work by the time relay 28 and can effectively ensure being normally carried out of work, safe and reliable, by enumerator 24, tested corrugated tube 18 is carried out data to show, it is easy to testing staff observe, Practical Performance is good, described source of the gas assembly includes the valve block 4 being fixedly connected in frame 30, the speed regulation throttle valve 2 being connected with valve block 4, the air pressure regulator 3 being connected with speed regulation throttle valve 2, described air pressure regulator 3 is connected with electromagnetic valve 10, described pressure controller 23 is connected with valve block 4, regulate valve 3 by air pressure adjusting and regulate pressure under original state to suitable force value, ensure that the properly functioning of test, it is easy to read result of the test, described frame 30 includes base plate 1, two are fixedly connected on base plate 1 upper pillar stand 5, it is fixedly connected on the fixing plate 9 on two root posts 5, described cylinder 11 is fixedly connected on the top of fixing plate 9, described fixing plate 9 be provided be easy to cylinder 11 piston rod wear activity 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 fixing plate 9, connect reliable, simple in construction, good practical effect, the described postive stop baffle 14 cross section 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, it is easy to contact with limit switch, good practical effect, each described union joint 20 is equipped with one tested corrugated tube 18 is fixedly connected on the nut on union joint 20, it is easy to corrugated tube 18 and is fixedly connected on union joint 20, it is easy to corrugated tube 18 detect, good practical effect, easy installation and removal。
Corrugated tube 18 is contained on union joint 20, fix with nut 19, open air pressure regulator 3 and regulate origin pressure to suitable force value, regulate pressure controller 23 and arrive suitable controlling value, open switching throttling valve 22 to maximum, start-up circuit controls system 25, the time relay 28 starts timing and controls electromagnetic valve 10, control cylinder 11 by electromagnetic valve 10 to run downwards, briquetting 7 is driven to follow descending, briquetting 7 goes downwards to pressing mold 16 upper end and drives pressing mold 16 1 to remove pressure, also drive corrugated tube 18 to be compressed action simultaneously, briquetting 7 is slack to pressing plate 17 place, after the time relay 28 timing time arrives, shed the control to electromagnetic valve 10, control cylinder 11 by electromagnetic valve 10 to run up, postive stop baffle 14 is driven to follow up, corrugated tube 18 resets, postive stop baffle 14 is up until stopping up when touching travel switch 13, after travel switch 13 Guan Bi, signal is delivered to circuit control system 25 simultaneously, circuit control system 25 starts again to control the time relay 28 and carries out the next action cycle, in the present invention, the test trip of corrugated tube 18 is the union joint 20 lower end distance to pressing mold 16, run, by pressing mold about 16, the test trip controlling corrugated tube 18 and carry out loop cycle, when breaking occurs in corrugated tube 18, pressure can leak, when the gas content that the gas adding to corrugated tube 18 in speed regulation throttle valve 2 leaks lower than the corrugated tube 18 broken, pressure within pressure controller 23 can lower than setting value, 23 signals of pressure controller are delivered in circuit control system 25, circuit control system 25 can stop the operation of the present invention according to feedback, the data of enumerator 24 display are exactly the accurate experimental lifetime number of times of this corrugated tube 18, close the switching throttling valve 22 that the corrugated tube 18 broken with this is connected, life test is proceeded to additionally having not occurred the corrugated tube 18 broken, until all corrugated tubes 18 break, namely the enumerator 24 data shown by after corrugated tube 18 breaks are the exact test life values of this batch of corrugated tube 18。
Inflated in the first pore by source of the gas assembly, make the bellows interior gassy being arranged on pedestal, power set control pressing mold to be made corrugated tube do compression on union joint to move through pressure controller and make a response to the air pressure change situation detecting gassiness bellows interior, feed back to circuit control system again to stop detection process, analog case is high with practical situation similarity, measurement data is accurate, and versatility is relatively strong, and detection efficiency is high。
Claims (3)
1. corrugated pipe service life tester, it is characterized in that: include frame (30), it is fixedly connected on the pedestal (6) in frame (30), it is fixedly connected on the center-pole (15) on pedestal (6), several are fixedly connected on the upper union joint (20) for connecting detected corrugated tube of pedestal (6), described center-pole (15) is fixedly connected with a block pressur plate (17), the described pressing plate (17) of each union joint (20) top is equipped with a pressing mold (16) for making tested corrugated tube do compression motion on union joint, 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 the first pore (27) communicated with every tested corrugated tube (18), described frame (30) is provided with the source of the gas assembly ventilated in the first pore (27), described source of the gas assembly is fixedly connected with the pressure controller (23) for detecting corrugated tube service life, the connection pipeline that described source of the gas assembly and the first pore (27) connect is provided with switching throttling valve (22), the frame (30) of described pressing plate (17) top is provided with and controls the power set that pressing mold (16) moves up and down at pressing plate (17), described power set are connected to the circuit control system (25) of driving power device work, described frame (30) is provided with the travel switch (13) controlling power set at the upper active strokes of frame (30), described travel switch (13) gentle source component is all connected with circuit control system (25), described power set include cylinder (11), it is fixedly connected on the briquetting (7) on cylinder (11), it is fixedly connected on the upper postive stop baffle (14) contacted with travel switch (13) of cylinder (11), it is fixed on cylinder (11) and is used for controlling the electromagnetic valve (10) that cylinder (11) works, described electromagnetic valve (10) is connected with circuit control system (25), described source of the gas assembly is connected with circuit control system (25) by electromagnetic valve (10), described circuit control system (25) is provided with for controlling the time relay (28) that electromagnetic valve (10) works and for showing the enumerator (24) of life value after the test of each tested corrugated tube, described source of the gas assembly includes the valve block (4) being fixedly connected in frame (30), the speed regulation throttle valve (2) being connected with valve block (4), the air pressure regulator (3) being connected with speed regulation throttle valve (2), described air pressure regulator (3) is connected with electromagnetic valve (10), described pressure controller (23) is connected with valve block (4), described frame (30) includes base plate (1), two are fixedly connected on base plate (1) upper pillar stand (5), it is fixedly connected on the fixing plate (9) on two root posts (5), described cylinder (11) is fixedly connected on the top of fixing plate (9), described fixing plate be provided be easy to cylinder piston rod wear activity 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 fixing plate (9)。
2. corrugated pipe service life tester according to claim 1, it is characterized in that: the described postive stop baffle (14) cross section 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。
3. corrugated pipe service life tester according to claim 1, it is characterised in that: each described union joint (20) is equipped with a nut (19) being fixedly connected on union joint by tested corrugated tube (18)。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410072117.0A CN103822778B (en) | 2014-02-28 | 2014-02-28 | corrugated pipe service life tester |
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| CN201410072117.0A CN103822778B (en) | 2014-02-28 | 2014-02-28 | corrugated pipe service life tester |
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| CN103822778B true CN103822778B (en) | 2016-06-22 |
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| 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 |
| CN111982485B (en) * | 2020-08-20 | 2023-01-24 | 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 |
| 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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| 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 |
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Address after: 322121, Jinhua, Zhejiang province Dongyang City, South Town Garden Village Garden Polytron Technologies Inc Jin Bo Applicant after: Garden Jinbo Science and Technology Co., Ltd. Address before: 322121, Jinhua City, Zhejiang province Dongyang City South Town Garden Village Zhejiang garden Electronic Technology Co., Ltd. Applicant before: ZHEJIANG GARDEN ELECTRONIC TECHNOLOGY CO., LTD. |
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