CN113358502A - Pressure high temperature fatigue performance detection testing machine in bellows compensator - Google Patents
Pressure high temperature fatigue performance detection testing machine in bellows compensator Download PDFInfo
- Publication number
- CN113358502A CN113358502A CN202110810845.7A CN202110810845A CN113358502A CN 113358502 A CN113358502 A CN 113358502A CN 202110810845 A CN202110810845 A CN 202110810845A CN 113358502 A CN113358502 A CN 113358502A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- push
- testing machine
- high temperature
- pressure high
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a testing machine for detecting the internal pressure high-temperature fatigue performance of a corrugated pipe compensator, which comprises an upper cover plate and a lower cover plate which are connected through a plurality of stand columns, wherein a fatigue testing device is arranged between the upper cover plate and the lower cover plate, and a temperature control device is arranged outside the fatigue testing device; the fatigue testing device comprises two fixed chucks which are oppositely arranged, the two fixed chucks are respectively connected with one ends of two tested corrugated pipes, the other ends of the two tested corrugated pipes are connected with a push plate of the push-pull device, and the two fixed chucks are fixedly connected through a connecting rod; the fixed chuck at the lower part is connected with the free end of the lower platform lifting fixing device; the push-pull device is matched with a main oil cylinder fixed on the upper cover plate; the pressure testing system is used for providing medium pressure to the interior of the tested corrugated pipe. The invention has simple structure, convenient installation and wide application range, and effectively solves the problem that no special equipment for carrying out corresponding high-temperature test exists in the prior art.
Description
Technical Field
The invention belongs to the technical field of detection devices, and particularly relates to a testing machine for detecting internal pressure high-temperature fatigue performance of a corrugated pipe compensator.
Background
According to the related requirements of the latest 'general technical conditions for metal corrugated pipe expansion joints', the corrugated pipe with the temperature within the material creep temperature range is designed, and when the fatigue test is carried out, the fatigue test is carried out on a special high-temperature fatigue test device. However, at present, no special internal pressure high temperature fatigue performance testing machine exists in China, and the testing can only be performed on original common equipment, so that the testing result is inaccurate, and the use and the design of the metal corrugated pipe are influenced. Therefore, it is necessary to design a testing machine for testing the internal pressure and high temperature fatigue performance of a bellows compensator to solve the above problems.
Disclosure of Invention
The invention aims to provide a testing machine for detecting the internal pressure high-temperature fatigue performance of a corrugated pipe compensator, which aims to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a pressure high temperature fatigue performance testing machine in bellows compensator which characterized in that: the device comprises an upper cover plate and a lower cover plate which are connected through a plurality of stand columns, wherein a fatigue testing device is arranged between the upper cover plate and the lower cover plate, and a temperature control device is arranged outside the fatigue testing device; the fatigue testing device comprises two fixed chucks which are oppositely arranged, the two fixed chucks are respectively connected with one ends of two tested corrugated pipes, the other ends of the two tested corrugated pipes are connected with a push plate of the push-pull device, and the two fixed chucks are fixedly connected through a connecting rod; the fixed chuck at the lower part is connected with the free end of the lower platform lifting fixing device; the push-pull device is matched with a main oil cylinder fixed on the upper cover plate;
the temperature control device comprises a heat preservation cover, and a heating device and a temperature sensor are arranged in the heat preservation cover; the pressure testing system is used for providing medium pressure to the interior of the tested corrugated pipe and communicated with the interior of the corrugated pipe.
Further: the heat preservation cover is of a two-petal structure and is connected in a matched mode through a lock catch, a support is arranged on each petal of heat preservation cover, and the supports are matched with the guide rails on the lower cover plate in a sliding connection mode.
Further: the fixed chuck is provided with radial T-shaped grooves, the T-shaped grooves are arranged in a shape like a Chinese character 'mi', clamping jaws are connected in the T-shaped grooves in a sliding mode, and the clamping jaws are driven by a servo motor with a lead screw.
Further: the hydraulic lifting platform is characterized by further comprising a pump station with a hydraulic valve, wherein the pump station is respectively communicated with the main oil cylinder and the lower platform lifting fixing device through oil pipes.
Further: a fan is also arranged in the heat-insulating cover.
Further: and a displacement sensor is arranged on the push-pull device.
The beneficial effects of the structure of the invention are: the invention has simple structure, convenient installation and wide application range.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Description of reference numerals:
the device comprises a main oil cylinder 1, a push-pull device 2, a corrugated pipe 3, a heating device 4, a heat-insulating cover 6, a temperature sensor 7, a lower platform lifting fixing device 8, an upper cover plate 9, an upright post 10, a pressure testing system 11, a lower cover plate 12, a fan 13, a support 14, a displacement sensor 15, a hydraulic valve 16, a pump station 17, a fixing chuck 18 and a guide rail 19.
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, but the following examples are only illustrative of the present invention and do not represent the scope of the present invention as defined by the claims.
Detailed Description
As shown in figure 1, the invention discloses a testing machine for detecting the internal pressure high-temperature fatigue performance of a corrugated pipe compensator, which is characterized in that: the device comprises an upper cover plate 9 and a lower cover plate 12 which are connected through a plurality of upright posts 10, wherein the lower cover plate is fixed on a rack or the ground, a fatigue testing device is arranged between the upper cover plate 9 and the lower cover plate 12, and a temperature control device is arranged outside the fatigue testing device; the fatigue testing device comprises two fixed chucks 18 which are oppositely arranged, the two fixed chucks 18 are respectively connected with one ends of two tested corrugated pipes 3, the other ends of the two tested corrugated pipes 3 are connected with a push plate of the push-pull device 2, the push plate is in a flange shape, the middle of the push plate is provided with a hole so as to be beneficial to the stable hydraulic pressure in the two corrugated pipes, and the two fixed chucks 18 are fixedly connected through a connecting rod; the fixed chuck 18 at the lower part is connected with the free end of the lower platform lifting fixing device 8, and the lower platform lifting fixing device 8 is fixed on the rack or the ground; the push-pull device 2 is matched with a main oil cylinder 1 fixed on an upper cover plate 9, and a push plate on the push-pull device is driven to move up and down through the extension and contraction of the main oil cylinder; the temperature control device is used for controlling the temperature of the fatigue testing device so as to realize performance detection under the high-temperature condition, and comprises a heat preservation cover 6, wherein a heating device 4 and a temperature sensor 7 are arranged in the heat preservation cover; the device also comprises a pressure test system 11 for providing medium pressure to the interior of the tested corrugated pipe, and the pressure test system is communicated with the interior of the corrugated pipe.
Preferably: the heat preservation cover 6 is of a two-piece structure and is connected in a matched mode through a lock catch, a support is arranged on each heat preservation cover 6, the supports are matched with guide rails on the lower cover plate in a sliding mode, and the supports are fixedly connected or hinged to the heat preservation cover.
Preferably: the fixed chuck 18 is provided with radial T-shaped grooves, the T-shaped grooves are arranged in a shape like a Chinese character 'mi', clamping jaws are connected in the T-shaped grooves in a sliding mode, and the clamping jaws are driven by a servo motor with a lead screw, so that the end portion of the corrugated pipe or the fatigue testing device is clamped.
Preferably: the device also comprises a pump station 17 with a hydraulic valve 16, wherein the pump station 17 is respectively communicated with the main oil cylinder 1 and the lower platform lifting fixing device 8 through oil pipes.
Preferably: a fan 13 is arranged in the heat-insulating cover 6, so that the temperature in the heat-insulating cover can be kept uniform and can be reduced when needed.
Preferably: a displacement sensor 15 is provided on the push-pull arrangement.
The working process of the structure of the invention is as follows: firstly, mounting a pressing blind plate at one end of two corrugated pipe test pieces, respectively mounting the other end of the two corrugated pipe test pieces at two sides of a push plate of a push-pull device 2 to enable the two corrugated pipes to form a closed structure with communicated inner parts, finally putting the whole on a lower platform lifting fixing device 8, clamping the whole by a chuck, then connecting the push-pull device 2 with a main oil cylinder 1, transmitting the power of the main oil cylinder 1 to the push plate by the push-pull device 2 to enable the push plate to lift and operate to drive the two corrugated pipes to alternatively compress or stretch, adjusting the fatigue reciprocating operation state of the corrugated pipes in no-load, moving a bracket 14 to the corrugated pipes after the state is adjusted, moving the bracket back and forth on a guide rail 19 (namely, inwards or outwards perpendicular to the paper surface in the drawing), closing a heat-insulation pressure-resistant shell 6 to form a sealing shape, starting a temperature control system, controlling the operation of a heater and a fan, and heating the interior of the heat-insulation pressure-resistant shell 6 to a required temperature, and starting the pressure testing system 11, passing gas or liquid in the corrugated pipe to the required testing pressure, and starting timing or counting fatigue times through a counter until the test is finished after the push plate runs, the temperature control system and the pressure testing system meet the requirements.
Claims (6)
1. The utility model provides a pressure high temperature fatigue performance testing machine in bellows compensator which characterized in that: the device comprises an upper cover plate (9) and a lower cover plate (12) which are connected through a plurality of upright posts (10), wherein a fatigue testing device is arranged between the upper cover plate (9) and the lower cover plate (12), and a temperature control device is arranged outside the fatigue testing device;
the fatigue testing device comprises two fixed chucks (18) which are oppositely arranged, the two fixed chucks (18) are respectively connected with one ends of two tested corrugated pipes (3), the other ends of the two tested corrugated pipes (3) are connected with a push plate of the push-pull device (2), and the two fixed chucks (18) are fixedly connected through a connecting rod;
the fixed chuck (18) at the lower part is connected with the free end of the lower platform lifting fixing device (8); the push-pull device (2) is matched with a main oil cylinder (1) fixed on an upper cover plate (9);
the temperature control device comprises a heat preservation cover (6), and a heating device (4) and a temperature sensor (7) are arranged in the heat preservation cover;
the device also comprises a pressure test system (11) for providing medium pressure to the interior of the tested corrugated pipe, and the pressure test system is communicated with the interior of the corrugated pipe.
2. The bellows compensator internal pressure high temperature fatigue performance detection testing machine of claim 1, characterized in that: the heat-insulating cover (6) is of a two-petal structure and is connected in a matched mode through a lock catch, a support is arranged on each petal of heat-insulating cover (6), and the supports are matched with a guide rail on the lower cover plate in a sliding connection mode.
3. The bellows compensator internal pressure high temperature fatigue performance detection testing machine of claim 1, characterized in that: the fixed chuck (18) is provided with radial T-shaped grooves, the T-shaped grooves are arranged in a shape like a Chinese character 'mi', clamping jaws are connected in the T-shaped grooves in a sliding mode, and the clamping jaws are driven by a servo motor with a lead screw.
4. The bellows compensator internal pressure high temperature fatigue performance detection testing machine of claim 1, characterized in that: the device is characterized by further comprising a pump station (17) with a hydraulic valve (16), wherein the pump station (17) is communicated with the main oil cylinder (1) and the lower platform lifting fixing device (8) through oil pipes.
5. The bellows compensator internal pressure high temperature fatigue performance detection testing machine of claim 1, characterized in that: a fan (13) is also arranged in the heat-preserving cover (6).
6. The bellows compensator internal pressure high temperature fatigue performance detection testing machine of claim 1, characterized in that: a displacement sensor (15) is arranged on the push-pull device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110810845.7A CN113358502A (en) | 2021-07-19 | 2021-07-19 | Pressure high temperature fatigue performance detection testing machine in bellows compensator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110810845.7A CN113358502A (en) | 2021-07-19 | 2021-07-19 | Pressure high temperature fatigue performance detection testing machine in bellows compensator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113358502A true CN113358502A (en) | 2021-09-07 |
Family
ID=77539719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110810845.7A Pending CN113358502A (en) | 2021-07-19 | 2021-07-19 | Pressure high temperature fatigue performance detection testing machine in bellows compensator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113358502A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113758817A (en) * | 2021-11-05 | 2021-12-07 | 沈阳晨光弗泰波纹管有限公司 | Bellows high-temperature pressurized combined displacement fatigue test device |
CN114674692A (en) * | 2022-03-25 | 2022-06-28 | 重庆交通大学 | Inhaul cable experiment machine |
CN117250101A (en) * | 2023-09-04 | 2023-12-19 | 沈阳仪表科学研究院有限公司 | High-temperature high-pressure fatigue test device and method for serial internal pressure corrugated pipe |
-
2021
- 2021-07-19 CN CN202110810845.7A patent/CN113358502A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113758817A (en) * | 2021-11-05 | 2021-12-07 | 沈阳晨光弗泰波纹管有限公司 | Bellows high-temperature pressurized combined displacement fatigue test device |
CN113758817B (en) * | 2021-11-05 | 2022-03-11 | 沈阳晨光弗泰波纹管有限公司 | Bellows high-temperature pressurized combined displacement fatigue test device |
CN114674692A (en) * | 2022-03-25 | 2022-06-28 | 重庆交通大学 | Inhaul cable experiment machine |
CN117250101A (en) * | 2023-09-04 | 2023-12-19 | 沈阳仪表科学研究院有限公司 | High-temperature high-pressure fatigue test device and method for serial internal pressure corrugated pipe |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113358502A (en) | Pressure high temperature fatigue performance detection testing machine in bellows compensator | |
CN105628382A (en) | Reactor coolant pump water lubrication radial bearing test device and test simulation method | |
CN102269675B (en) | Biaxial tensile testing device with thirdly directional stress provided by fluid pressure and application thereof | |
CN111397816A (en) | PE valve air tightness test device | |
CN215910275U (en) | Pressure high temperature fatigue performance detection testing machine in bellows compensator | |
CN104181053A (en) | Device and method for testing plate wrinkling performance under thickness-direction stress | |
CN207280891U (en) | High temperature and high pressure environment impact wear testing machine | |
CN214097006U (en) | Bellows high and low temperature fatigue test device | |
CN211784881U (en) | Corrugated metal hose swinging and bending experimental device | |
CN108240901B (en) | Fatigue life testing device and method for solar high-temperature vacuum heat collecting tube | |
CN103499440B (en) | The multifunctional testing of horizontal sleeve compensator loads detection machine | |
CN219413733U (en) | Heating power pipeline installing support | |
CN208736307U (en) | A kind of pipe diameter measuring device of Corrosionproof thermal pipe with anodic trip | |
CN215374497U (en) | Magnetic coupling performance testing device | |
CN220508357U (en) | Bypass valve pressure testing device | |
CN211527734U (en) | Air tightness detection device for disc type motor shell | |
CN113375876A (en) | Fuel cell bipolar plate air tightness testing device | |
CN113376038A (en) | GIL corrugated pipe compensator detection testing machine for high-voltage combined electrical equipment | |
CN113324756A (en) | Magnetic coupling performance testing device | |
CN208399272U (en) | A kind of system of full-automatic detection valve housing intensity | |
CN217237102U (en) | Pressure testing machine | |
CN205426509U (en) | Bellows expansion joint mechanical properties test device | |
CN216098456U (en) | Pipeline under pressure detects strutting arrangement | |
CN219890705U (en) | Liquid cooling plate thermal shock test bed | |
CN220170472U (en) | Leak detection device for heat exchanger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |