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CN209085907U - Bellows life test tooling - Google Patents

Bellows life test tooling Download PDF

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Publication number
CN209085907U
CN209085907U CN201821702021.8U CN201821702021U CN209085907U CN 209085907 U CN209085907 U CN 209085907U CN 201821702021 U CN201821702021 U CN 201821702021U CN 209085907 U CN209085907 U CN 209085907U
Authority
CN
China
Prior art keywords
bellows
life test
test tooling
pedestal
elastic element
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.)
Expired - Fee Related
Application number
CN201821702021.8U
Other languages
Chinese (zh)
Inventor
王祎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zishi Energy Co ltd
Original Assignee
Dongtai Hi Tech Equipment Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongtai Hi Tech Equipment Technology Co Ltd filed Critical Dongtai Hi Tech Equipment Technology Co Ltd
Priority to CN201821702021.8U priority Critical patent/CN209085907U/en
Application granted granted Critical
Publication of CN209085907U publication Critical patent/CN209085907U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of bellows life test toolings comprising pedestal, driving mechanism press mechanism, elastic element and pressure-detecting device;Wherein, the pressure chamber being connected to bellows is provided on pedestal;Driving mechanism is set on the base;Press the driving compress bellows that mechanism passes through driving mechanism;The both ends of elastic element respectively with pedestal and press mechanism and connect, for stretching bellows;The test side of pressure-detecting device is connected to pressure chamber.Bellows life test tooling provided by the utility model, realize the simulation to bellows compression and drawing work state, pass through the detection to the pressure in pressure cavity being connected to bellows simultaneously, the quick determination to the bellows out-of-service time is realized, to realize the accurate test to bellows service life.

Description

Bellows life test tooling
Technical field
The utility model relates to a kind of test fixture more particularly to a kind of bellows life test toolings.
Background technique
Metal bellows is the shell with the cylinder-shaped thin wall wrinkle of multiple transverse waves, has certain elasticity, A certain range of displacement can be generated under pressure, axial force, cross force or Moment, be can be used as sealing off part, can also be used Make compensating element, main failure mode are as follows: rupture, breakage.
There are many producer of current market production metal bellows, and service life is different, and often manufacturer provides Service life is inferred to, though what is had have passed through experiment test, however measurement condition differs greatly with actual condition, with it Actual service life differs greatly.Therefore, it is very necessary to study a kind of tooling for capableing of the accurate measuring bellow service life.
Utility model content
The purpose of the utility model is to provide a kind of bellows life test tooling, to solve above-mentioned in the prior art ask Topic realizes the accurate measurement to ripple tube lifetime.
The utility model provides a kind of bellows life test tooling, wherein includes:
Pedestal is provided with the pressure chamber being connected to bellows on the pedestal;
Driving mechanism, setting is on the base;
Mechanism is pressed, it is described to press the driving compression bellows of the mechanism by the driving mechanism;
Elastic element, the both ends of the elastic element are connect with the pedestal and the mechanism that presses respectively, for making State bellows stretching;
Pressure-detecting device, the test side of the pressure-detecting device are connected to the pressure chamber.
Bellows life test tooling as described above, wherein preferably, the driving mechanism includes motor and convex Wheel, on the base, the cam is connect with the driving end of the motor, and the cam and institute for the motor fixed setting It states and presses mechanism contacts.
Bellows life test tooling as described above, wherein further include mounting plate preferably, the mounting plate is solid On the base, the motor is fixed on the mounting plate for fixed setting.
Bellows life test tooling as described above, wherein vertical there are two preferably, on the pedestal being symmetrical arranged Column plate, the mechanism that presses are slidably arranged between two pillar panels.
Bellows life test tooling as described above, wherein preferably, the mechanism that presses includes briquetting and guiding Stud, is provided with slide opening on the pillar panel, one end of the guiding screw pole pass through after the slide opening with the briquetting is fixed connects It connects, the guiding screw pole is slidably connected with the slide opening;
The side face contact of the cam and the briquetting, the another side of the briquetting and the end of the bellows connect Touching.
Bellows life test tooling as described above, wherein it further include guide post preferably, the guide post One end sliding is threaded through in the pressure chamber, and the other end of the guide post is contacted with the end of the bellows.
Bellows life test tooling as described above, wherein preferably, the guide post includes guide section and support Section, the guide section are slidably connected with the pressure chamber, and the supporting section is arranged in the bellows;
The elastic element is set on the supporting section, and one end of the elastic element is fixed at the support Duan Shang, the other end fixed setting of the elastic element is on the base.
Bellows life test tooling as described above, wherein preferably, the first ventilation is provided on the guide section Hole is provided with the second venthole on the supporting section, and first venthole is connected to second venthole, and described second is logical Stomata is connected to the inner cavity of the bellows.
Bellows life test tooling as described above, wherein it further include tabletting preferably, it is remote on the bellows It is fixed in the tabletting from described one end for pressing mechanism;
Mounting groove is provided on the pedestal, the tabletting fixation is fastened in the mounting groove.
Bellows life test tooling as described above, wherein further include gasket, the tabletting passes through preferably The gasket and mounting groove sealing cooperate.
Bellows life test tooling provided by the utility model is realized to bellows compression and drawing work state Simulation is realized quick to the bellows out-of-service time while by the detection to the pressure in pressure cavity being connected to bellows It determines, to realize the accurate test to bellows service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of bellows life test tooling provided by the embodiment of the utility model;
Fig. 2 is the side view of bellows life test tooling provided by the embodiment of the utility model.
Description of symbols:
100- pedestal 110- pillar panel 120- slide opening
130- pressure chamber 140- air inlet 150- mounting plate
200- presses mechanism 210- briquetting 220- guiding screw pole
300- motor 310- cam 400- guide post
410- guide section 420- supporting section 500- elastic element
600- bellows 610- end 700- tabletting
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model Limitation.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of bellows life test tooling comprising bottom Seat 100, presses mechanism 200, elastic element 500 and pressure-detecting device at driving mechanism;Wherein, it is provided on pedestal 100 and wave The pressure chamber 130 that line pipe 600 is connected to;Driving mechanism is arranged on pedestal 100;Press driving of the mechanism 200 by driving mechanism Compress bellows 600;The both ends of elastic element 500 respectively with pedestal 100 and press mechanism 200 and connect, for making bellows 600 It stretches;The test side of pressure-detecting device is connected to pressure chamber 130.
Bellows life test tooling provided by the embodiment of the utility model during the work time, can first pass through extraneous gas Pressure equipment carries out pressurising to pressure chamber 130 or vacuumizes, and pressure chamber 130 is closed, and may then pass through driving mechanism driving 200 compress bellows 600 of mechanism are pressed, then make to press the reset of mechanism 200 by elastic element 500, to keep bellows 600 extensive Complex deformation repeats operation the reciprocating compression for realizing bellows 600 and stretching, meanwhile, pressure-detecting device real-time monitoring The variation of pressure in pressure chamber 130, the pressure if the failure modes such as rupture, breakage occurs in bellows 600, in pressure chamber 130 Power will appear biggish fluctuation, and this fluctuation is embodied on pressure-detecting device, so that it is determined that from test is started to pressure The duration passed through when larger fluctuation occurs, namely the service life of bellows 600 has been determined.
Wherein, it is provided with air inlet 140 on the side wall of pressure chamber 130, external valve can be set on air inlet 140, After completing pressurising in pressure chamber 130 or vacuumizing, the closing of pressure chamber 130 can be realized by closing external valve.
Specifically, as shown in Figure 1, driving mechanism includes motor 300 and cam 310, motor 300 is fixed at pedestal On 100, cam 310 is connect with the driving end of motor 300, and cam 310 is contacted with mechanism 200 is pressed.In specific work process In, when, apart from the farther away face of its center of rotation and when pressing mechanism 200 and contacting, pressure power machine structure 200 being made to compress on cam 310 Bellows 600;And when, apart from the closer face of its center of rotation and when pressing mechanism 200 and contacting, pressing mechanism 200 on cam 310 It can be by the spring return of elastic element 500 to initial position, to make bellows 600 restore deformation, to wait next time Compression.The cooperation for passing through cam 310 and elastic element 500 as a result, realizes the reciprocal stretching and compression of bellows 600, real Show the simulation to bellows 600 under real work state, ensure that the accuracy to 600 life test of bellows.Wherein, Motor 300 can be decelerating motor, and in the course of work, revolving speed of the decelerating motor within the unit time is constant, it can drive Moving cam 310 is rotated with constant rotational speed, to guarantee that bellows 600 carries out tension and compression with stable frequency, is guaranteed in pressure chamber 130 The stabilization of pressure.
As depicted in figs. 1 and 2, which further includes mounting plate 150, and mounting plate 150 is fixed at pedestal 100 On, motor 300 is fixed on mounting plate 150.The support strength to motor 300 can be promoted by the way that mounting plate 150 is arranged, Guarantee its job stability.
As shown in Figure 1, being symmetrical arranged on pedestal 100, there are two pillar panels 110, press mechanism 200 and are slidably arranged in two Between pillar panel 110.It is possible thereby to be supported by two pillar panels 110 to mechanism 200 is pressed, while being convenient for being pressure power machine Suitable compression space is reserved between structure 200 and pedestal 100.
Specifically, as shown in Figure 1, pressing mechanism 200 includes briquetting 210 and guiding screw pole 220, it is arranged on pillar panel 110 It is fixedly connected after thering is slide opening 120, one end of guiding screw pole 220 to pass through slide opening 120 with briquetting 210, guiding screw pole 220 and slide opening 120 are slidably connected;The side face contact of cam 310 and briquetting 210, the another side of briquetting 210 and the end of bellows 600 610 contacts.Wherein, lubriation material can be coated in slide opening 120, in order to which guiding screw pole 220 slides in slide opening 120.
Further, in order to provide guiding when compressing or stretching to bellows 600, bellows 600 is avoided to compress or stretching It glances off in the process and influences measuring accuracy, which further includes guide post 400, and one end sliding of guide post 400 is worn It is located in pressure chamber 130, the other end of guide post 400 is contacted with the end 610 of bellows 600.
Specifically, guide post 400 may include guide section 410 and supporting section 420, and guide section 410 and pressure chamber 130 slide Connection, and guide section 410 and pressure chamber 130 can be clearance fit;Supporting section 420 is arranged in bellows 600, supporting section 420 top is abutted with the end 610 of bellows 600;Elastic element 500 is set on supporting section 420, and elastic element 500 One end be fixed on supporting section 420, the other end of elastic element 500 is fixed on pedestal 100.Wherein, elastic Element 500 can be spring.
Further, for the ease of the to carrying out pressurising or vacuumizing in pressure chamber 130, can be set on guide section 410 The second venthole has can be set on supporting section 420 in one venthole, and the first venthole is connected to the second venthole, the second ventilation Hole is connected to the inner cavity of bellows 600.Wherein, the axis of the first venthole is overlapped with the axis of guide section 410, the second venthole Axis it is vertical with the axis of the first venthole, pressurising quickly is carried out to the inner cavity of bellows 600 or is vacuumized to realize.
As shown in Figure 1, guaranteeing that bellows 600 is being surveyed to guarantee fixation reliability of the bellows 600 on pedestal 100 Stabilization during examination, the test fixture can also include tabletting 700, consolidate on bellows 600 far from the one end for pressing mechanism 200 It is fixed to be arranged in tabletting 700;Mounting groove is provided on pedestal 100, the fixation of tabletting 700 is fastened in mounting groove.
Due to needing to detect to the pressure in pressure chamber 130, in order to avoid what is cooperated in tabletting 700 and pedestal 100 Position generates gap and pressure release occurs, which can also include gasket, and tabletting 700 is close by gasket and mounting groove Envelope cooperation.Wherein, which can be phenyl tetrafluoride pad.
Bellows life test tooling provided by the embodiment of the utility model is realized to bellows compression and drawing work The simulation of state, while by the detection to the pressure in pressure cavity being connected to bellows, it realizes to the bellows out-of-service time Quick determination, to realize the accurate test to bellows service life.
The structure, features, and effects of the present invention is described in detail based on the embodiments shown in the drawings, with Upper described is only the preferred embodiment of the utility model, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to Change or equivalent example modified to equivalent change made by conception according to the utility model, still without departing from specification and figure When showing covered spirit, it should be within the protection scope of the present utility model.

Claims (10)

1. a kind of bellows life test tooling characterized by comprising
Pedestal is provided with the pressure chamber being connected to bellows on the pedestal;
Driving mechanism, setting is on the base;
Mechanism is pressed, it is described to press the driving compression bellows of the mechanism by the driving mechanism;
Elastic element, the both ends of the elastic element are connect with the pedestal and the mechanism that presses respectively, for making the wave Line Guan Lashen;
Pressure-detecting device, the test side of the pressure-detecting device are connected to the pressure chamber.
2. bellows life test tooling according to claim 1, which is characterized in that the driving mechanism include motor and Cam, on the base, the cam is connect with the driving end of the motor for motor fixed setting, and the cam and It is described to press mechanism contacts.
3. bellows life test tooling according to claim 2, which is characterized in that it further include mounting plate, the installation Plate is fixedly installed on the base, and the motor is fixed on the mounting plate.
4. bellows life test tooling according to claim 3, which is characterized in that be symmetrically arranged with two on the pedestal A pillar panel, the mechanism that presses are slidably arranged between two pillar panels.
5. bellows life test tooling according to claim 4, which is characterized in that it is described press mechanism include briquetting and Guiding screw pole, is provided with slide opening on the pillar panel, and one end of the guiding screw pole passes through solid with the briquetting after the slide opening Fixed connection, the guiding screw pole are slidably connected with the slide opening;
The side face contact of the cam and the briquetting, the another side of the briquetting are contacted with the end of the bellows.
6. bellows life test tooling according to claim 5, which is characterized in that it further include guide post, the guiding One end sliding of column is threaded through in the pressure chamber, and the other end of the guide post is contacted with the end of the bellows.
7. bellows life test tooling according to claim 6, which is characterized in that the guide post include guide section and Supporting section, the guide section are slidably connected with the pressure chamber, and the supporting section is arranged in the bellows;
The elastic element is set on the supporting section, and one end of the elastic element is fixed at the supporting section On, the other end fixed setting of the elastic element is on the base.
8. bellows life test tooling according to claim 7, which is characterized in that be provided with first on the guide section Venthole is provided with the second venthole on the supporting section, and first venthole is connected to second venthole, and described Two ventholes are connected to the inner cavity of the bellows.
9. bellows life test tooling according to claim 1, which is characterized in that it further include tabletting, the bellows It is upper to be fixed in the tabletting far from described one end for pressing mechanism;
Mounting groove is provided on the pedestal, the tabletting fixation is fastened in the mounting groove.
10. bellows life test tooling according to claim 9, which is characterized in that it further include gasket, the tabletting Cooperated by the gasket and mounting groove sealing.
CN201821702021.8U 2018-10-19 2018-10-19 Bellows life test tooling Expired - Fee Related CN209085907U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821702021.8U CN209085907U (en) 2018-10-19 2018-10-19 Bellows life test tooling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821702021.8U CN209085907U (en) 2018-10-19 2018-10-19 Bellows life test tooling

Publications (1)

Publication Number Publication Date
CN209085907U true CN209085907U (en) 2019-07-09

Family

ID=67120038

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821702021.8U Expired - Fee Related CN209085907U (en) 2018-10-19 2018-10-19 Bellows life test tooling

Country Status (1)

Country Link
CN (1) CN209085907U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111855174A (en) * 2020-07-10 2020-10-30 四川九天真空科技股份有限公司 Valve bellows life-span test frock
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
CN114323615A (en) * 2021-12-24 2022-04-12 上海阀门厂股份有限公司 Spring stabiliser relief valve bellows life-span appraisal test frock
CN116718365A (en) * 2023-07-10 2023-09-08 般德阀门科技有限公司 Flexible joint testing machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111855174A (en) * 2020-07-10 2020-10-30 四川九天真空科技股份有限公司 Valve bellows life-span test frock
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
CN114323615A (en) * 2021-12-24 2022-04-12 上海阀门厂股份有限公司 Spring stabiliser relief valve bellows life-span appraisal test frock
CN114323615B (en) * 2021-12-24 2024-04-23 上海阀门厂股份有限公司 Test fixture for service life identification of bellows of safety valve of spring type voltage stabilizer
CN116718365A (en) * 2023-07-10 2023-09-08 般德阀门科技有限公司 Flexible joint testing machine
CN116718365B (en) * 2023-07-10 2024-02-09 般德阀门科技有限公司 Flexible joint testing machine

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210201

Address after: Unit 611, unit 3, 6 / F, building 1, yard 30, Yuzhi East Road, Changping District, Beijing 102208

Patentee after: Zishi Energy Co.,Ltd.

Address before: Room a129-1, No. 10, Zhongxing Road, science and Technology Park, Changping District, Beijing

Patentee before: DONGTAI HI-TECH EQUIPMENT TECHNOLOGY Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190709