CN219161821U - Measuring device for compression resistance of plastic-coated steel pipe - Google Patents

Measuring device for compression resistance of plastic-coated steel pipe Download PDF

Info

Publication number
CN219161821U
CN219161821U CN202223454956.8U CN202223454956U CN219161821U CN 219161821 U CN219161821 U CN 219161821U CN 202223454956 U CN202223454956 U CN 202223454956U CN 219161821 U CN219161821 U CN 219161821U
Authority
CN
China
Prior art keywords
fixedly connected
coated steel
steel pipe
plastic
electric telescopic
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.)
Active
Application number
CN202223454956.8U
Other languages
Chinese (zh)
Inventor
孟国梁
赵瑞峰
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.)
Tianjin Jiajie Pipe Industry Co ltd
Original Assignee
Tianjin Jiajie Pipe Industry 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 Tianjin Jiajie Pipe Industry Co ltd filed Critical Tianjin Jiajie Pipe Industry Co ltd
Priority to CN202223454956.8U priority Critical patent/CN219161821U/en
Application granted granted Critical
Publication of CN219161821U publication Critical patent/CN219161821U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The utility model relates to the field of plastic-coated steel pipe compression resistance detection, and discloses a device for measuring the compression resistance of a plastic-coated steel pipe. According to the utility model, the device is accurate in measuring the compression resistance value of the plastic-coated steel tube, high in automation degree and convenient to operate, the phenomenon that fragments of the plastic-coated steel tube splash in the measuring process is avoided, and meanwhile, the safety performance of the device is effectively improved through the protection of the detection box.

Description

Measuring device for compression resistance of plastic-coated steel pipe
Technical Field
The utility model relates to the field of plastic-coated steel pipe compression resistance detection, in particular to a device for measuring the compression resistance of a plastic-coated steel pipe.
Background
The plastic-coated steel tube is provided with a plastic-coated tube, a steel-plastic composite tube and a plastic-coated composite steel tube, the plastic-coated steel tube has excellent corrosion resistance and smaller friction resistance, and before the plastic-coated steel tube is sold and used, a plurality of plastic-coated steel tubes are generally required to be drawn in batches for measuring the compressive property, so that the plastic-coated steel tube is safer and more stable in use, and meanwhile, in the process of detecting the compressive property of the plastic-coated steel tube, a compressive property measuring device is generally required, and staff can conveniently detect and know the compressive property value of the plastic-coated steel tube through the compressive property measuring device, so that the plastic-coated steel tube is better satisfied with the use of people.
However, when the traditional plastic-coated steel pipe compression resistance measuring device is used for fixing the plastic-coated steel pipe, the plastic-coated steel pipe is manually fixed by a worker, so that time and labor are wasted, meanwhile, the traditional plastic-coated steel pipe compression resistance measuring device is used for extruding the plastic-coated steel pipe to measure the compression resistance value of the plastic-coated steel pipe by using external force, and therefore in the extrusion measuring process, the splashing situation can occur when the fragments of the plastic-coated steel pipe are splashed, the splashed fragments of the plastic-coated steel pipe are easy to damage the worker, meanwhile, the splashed fragments are inconvenient for the worker to clean, and therefore, the technical improvement is urgently needed.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a device for measuring the compression resistance of a plastic coated steel pipe, which has the advantages of accurate measurement of the compression resistance value of the plastic coated steel pipe, high degree of automation, convenient operation, avoidance of the phenomenon that fragments of the plastic coated steel pipe splash in the measurement process, and effective improvement of the safety performance of the device through the protection of a detection box.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a plastic-coated steel pipe compressive property's survey device, includes the bottom plate, the middle part fixedly connected with main box body of bottom plate upper surface, the middle part fixedly connected with servo motor of main box body rear end, servo motor's output runs through main box body to the inside fixedly connected with threaded rod of main box body, the shaft cover of threaded rod is equipped with the thread bush, the upper end of thread bush runs through main box body to the outside fixedly connected with connecting seat of main box body, the outer wall of connecting seat front end is fixedly connected with first sealed pad and backup pad respectively;
the middle part of the front end of the upper surface of the supporting plate is fixedly connected with a first mounting plate, the middle part of the rear end of the first mounting plate is provided with a first electric telescopic rod, the output end of the first electric telescopic rod is fixedly connected with a first sealing cover, the middle part of the rear end of the upper surface of the first mounting plate is fixedly connected with a second mounting plate, the middle part of the front end of the second mounting plate is provided with a second electric telescopic rod, and the output end of the second electric telescopic rod is fixedly connected with a second sealing cover;
the device comprises a first sealing cover, a first pressure sensor, a second sealing cover, a connecting pipe, a placing groove, a high-pressure suction pump, a first positioning plate, a third mounting plate and a third electric telescopic rod, wherein the first pressure sensor is fixedly connected to the center of one end, far away from a supporting plate, of the first sealing cover;
the front end of the upper surface of the main box body is fixedly connected with a detection box, the front end of the inner top surface of the detection box is fixedly connected with a second pressure sensor, the middle part of the rear end of the detection box is provided with a through hole, and the outer wall of the first sealing gasket is tightly attached to the through hole;
through above-mentioned technical scheme, can make first sealed cowling seal the centre gripping to the front end of fixed completion plastic-coated steel pipe through starting first electric telescopic handle, can make the second sealed cowling seal the centre gripping to the rear end of fixed completion plastic-coated steel pipe through starting the second electric telescopic handle to start first electric telescopic handle and second electric telescopic handle simultaneously can accomplish the effect of simultaneously sealed fixed to plastic-coated steel pipe both ends, thereby ensured the plastic-coated steel pipe and be difficult for appearing the phenomenon of gas leakage at the in-process of detection, guaranteed the precision that plastic-coated steel pipe compressive resistance detected greatly.
Further, the first electric telescopic rod is fixedly connected with the first mounting plate through bolts;
through above-mentioned technical scheme, through bolt fixed connection, the staff of can being convenient for to the installation and the dismantlement work of first electric telescopic handle.
Further, the second electric telescopic rod is fixedly connected with the second mounting plate through bolts;
through above-mentioned technical scheme, through bolt fixed connection, the staff of can being convenient for to the installation of second electric telescopic handle and dismantlement work.
Further, the second sealing gaskets are fixedly connected to one ends, far away from the supporting plate, of the inner parts of the first sealing cover and the second sealing cover;
through the technical scheme, the sealing performance of the first sealing cover and the second sealing cover can be greatly improved through the second sealing gasket.
Further, the front end of the connecting pipe is connected with the air suction head in a penetrating way.
Further, an observation window is arranged in the middle of one side of the detection box;
through above-mentioned technical scheme, can be convenient for the staff observe the plastic-coated steel pipe in the survey process through the observation window.
Further, the inner wall of the front end of the detection box is fixedly connected with a limiting plate, the middle part of the front end of the support plate is provided with a limiting groove, and the limiting plate is in sliding connection in the limiting groove;
through above-mentioned technical scheme, through limiting plate at the inside slip of spacing groove, can improve the stability in the backup pad transmission process.
Further, a control panel is arranged at the front end of the outer wall of one side of the main box body.
The utility model has the following beneficial effects:
1. compared with the prior device, the device for measuring the compression resistance of the plastic coated steel pipe can facilitate the preliminary positioning of a worker on the plastic coated steel pipe by placing the plastic coated steel pipe to be detected at the upper end of the first positioning plate, and then the second positioning plate can hold the plastic coated steel pipe by starting the third electric telescopic rod, so that the stability of the plastic coated steel pipe in the transmission process is ensured, the phenomenon that the plastic coated steel pipe falls off is not easy to occur, and the stable operation for monitoring the compression resistance of the plastic coated steel pipe is ensured.
2. Compared with the prior device, the device provided by the utility model has the advantages that the first sealing cover can seal and clamp the front end of the fixed plastic-coated steel pipe by starting the first electric telescopic rod, and the second sealing cover can seal and clamp the rear end of the fixed plastic-coated steel pipe by starting the second electric telescopic rod, so that the effect of sealing and fixing the two ends of the plastic-coated steel pipe can be achieved by simultaneously starting the first electric telescopic rod and the second electric telescopic rod, the phenomenon that the plastic-coated steel pipe is difficult to leak in the detection process is ensured, and the accuracy of the detection of the plastic-coated steel pipe in compression resistance is greatly ensured.
3. Compared with the existing device, the device for measuring the compression resistance of the plastic-coated steel pipe provided by the utility model has the advantages that the compression resistance value of the plastic-coated steel pipe is accurate, the degree of automation is high, the operation is convenient, the phenomenon that fragments of the plastic-coated steel pipe splash is avoided in the measuring process, and meanwhile, the safety performance of the device is effectively improved through the protection of the detection box.
Drawings
FIG. 1 is a front sectional view of a device for measuring the compressive resistance of a plastic coated steel tube according to the present utility model;
FIG. 2 is a front view of a device for measuring the compression resistance of a plastic-coated steel tube according to the present utility model;
FIG. 3 is a top view of a support plate of a device for measuring the compressive resistance of a plastic coated steel tube according to the present utility model;
FIG. 4 is an isometric view of a first seal cover, a second seal gasket and a first pressure sensor of a device for measuring the compressive resistance of a plastic coated steel tube according to the present utility model;
fig. 5 is an enlarged view at a in fig. 1.
1. A bottom plate; 2. a main case; 3. a servo motor; 4. a threaded rod; 5. a thread sleeve; 6. a connecting seat; 7. a first gasket; 8. a support plate; 9. a first mounting plate; 10. a first electric telescopic rod; 11. a first seal cap; 12. a second mounting plate; 13. a second electric telescopic rod; 14. a second seal cap; 15. a first pressure sensor; 16. a second gasket; 17. an air suction head; 18. a connecting pipe; 19. a placement groove; 20. a high pressure getter pump; 21. a limit groove; 22. a detection box; 23. a limiting plate; 24. a second pressure sensor; 25. a through hole; 26. an observation window; 27. a control panel; 28. a third mounting plate; 29. a third electric telescopic rod; 30. a first positioning plate; 31. and a second positioning plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a plastic-coated steel pipe compressive property's survey device, including bottom plate 1, the middle part fixedly connected with main box body 2 of bottom plate 1 upper surface, the middle part fixedly connected with servo motor 3 of main box body 2 rear end, servo motor 3's output runs through main box body 2 to the inside fixedly connected with threaded rod 4 of main box body 2, the pole body cover of threaded rod 4 is equipped with thread bush 5, the outside fixedly connected with connecting seat 6 of main box body 2 is run through to the upper end of thread bush 5, the outer wall of connecting seat 6 front end is fixedly connected with first sealed pad 7 and backup pad 8 respectively;
the middle part of the front end of the upper surface of the supporting plate 8 is fixedly connected with a first mounting plate 9, the middle part of the rear end of the first mounting plate 9 is provided with a first electric telescopic rod 10, the output end of the first electric telescopic rod 10 is fixedly connected with a first sealing cover 11, the middle part of the rear end of the upper surface of the first mounting plate 9 is fixedly connected with a second mounting plate 12, the middle part of the front end of the second mounting plate 12 is provided with a second electric telescopic rod 13, and the output end of the second electric telescopic rod 13 is fixedly connected with a second sealing cover 14;
the center of one end, far away from the support plate 8, of the inside of the first sealed cover 11 is fixedly connected with a first pressure sensor 15, the center of one end, far away from the support plate 8, of the inside of the second sealed cover 14 is fixedly connected with an air suction head 17, a connecting pipe 18 is arranged in the inside of the second sealed cover 14, the rear end of the connecting pipe 18 penetrates through the second sealed cover 14 to extend to the outside of the second sealed cover 14, a placing groove 19 is formed in the middle of the upper surface of the connecting seat 6, the bottom surface of the placing groove 19 is fixedly connected with a high-pressure air suction pump 20, an air suction port of the high-pressure air suction pump 20 penetrates through the connecting seat 6 through a pipeline and is fixedly connected with the connecting pipe 18, the middle of the upper surface of the support plate 8 is fixedly connected with a first positioning plate 30, two sides of the upper surface of the first positioning plate 30 are fixedly connected with a plurality of third mounting plates 28, the center of the third mounting plates 28, which are close to one end of the first positioning plate 30, a third electric telescopic rod 29 is fixedly connected with a second positioning plate 31;
the front end of the upper surface of the main box body 2 is fixedly connected with a detection box 22, the front end of the inner top surface of the detection box 22 is fixedly connected with a second pressure sensor 24, the middle part of the rear end of the detection box 22 is provided with a through hole 25, and the outer wall of the first sealing gasket 7 is tightly attached to the through hole 25;
the front end of the fixed plastic-coated steel tube is sealed and clamped by the first sealing cover 11 through starting the first electric telescopic rod 10, the rear end of the fixed plastic-coated steel tube is sealed and clamped by the second sealing cover 14 through starting the second electric telescopic rod 13, and accordingly the effect of sealing and fixing two ends of the plastic-coated steel tube can be achieved by simultaneously starting the first electric telescopic rod 10 and the second electric telescopic rod 13, the phenomenon that air leakage is difficult to occur in the detection process of the plastic-coated steel tube is guaranteed, and the accuracy of the detection of the compression resistance of the plastic-coated steel tube is greatly guaranteed.
The first electric telescopic rod 10 passes through bolt fixed connection with first mounting panel 9, through bolt fixed connection, can be convenient for the staff to the installation and dismantlement work of first electric telescopic rod 10, second electric telescopic rod 13 passes through bolt fixed connection with second mounting panel 12, through bolt fixed connection, can be convenient for the staff to the installation and dismantlement work of second electric telescopic rod 13, the equal fixedly connected with second sealed pad 16 of one end that backup pad 8 was kept away from to first sealed cowling 11 and second sealed cowling 14 inside, can improve the sealing performance of first sealed cowling 11 and second sealed cowling 14 greatly through the sealed pad 16 of second, the front end and the suction head 17 through connection of connecting pipe 18, the middle part of detection box 22 one side is provided with observation window 26, can be convenient for the staff to observe the plastic-coated steel pipe of survey in-process through observation window 26, the inner wall fixedly connected with limiting plate 23 of detection box 22 front end, limiting groove 21 has been seted up at the middle part of backup pad 8 front end, limiting plate 23 is at limiting groove 21's inside sliding connection, can improve the stability control panel one side of the main part 27 in the backup pad 8 transmission box body through limiting groove 21.
Working principle: the device for measuring the compression resistance of the plastic coated steel pipe can facilitate the preliminary positioning of a worker on the plastic coated steel pipe by placing the plastic coated steel pipe to be detected at the upper end of the first positioning plate 30, and then the second positioning plate 31 can be used for holding the plastic coated steel pipe by starting the third electric telescopic rod 29, so that the stability of the plastic coated steel pipe in the transmission process is ensured, meanwhile, the first sealing cover 11 can be used for sealing and clamping the front end of the fixed plastic coated steel pipe by starting the first electric telescopic rod 10, the second sealing cover 14 can be used for sealing and clamping the rear end of the fixed plastic coated steel pipe by starting the second electric telescopic rod 13, so that the effect of sealing and fixing the two ends of the plastic coated steel pipe can be finished at the same time by starting the first electric telescopic rod 10 and the second electric telescopic rod 13 at the same time, and the phenomenon that air leakage of the plastic coated steel pipe is difficult to occur in the detection process is ensured, simultaneously, the threaded rod 4 can be rotated by starting the servo motor 3, the threaded sleeve 5 and the connecting seat 6 drive the plastic coated steel pipe which is sealed and fixed to completely enter the detection box 22, meanwhile, under the action of the first sealing gasket 7, the sealing performance of the detection box 22 can be effectively improved, the suction head 17 can start to suck air in the sealed plastic coated steel pipe by starting the high-pressure suction pump 20, so that the inside of the steel pipe is in a negative pressure state, in the continuous suction process, the plastic coated steel pipe can be subjected to a small-amplitude collapse phenomenon due to the influence of the negative pressure, meanwhile, the shape of the plastic coated steel pipe can be conveniently detected in real time by workers through the observation window 26, when the compression resistance critical value of the plastic coated steel pipe is exceeded, the outer wall of the plastic coated steel pipe can be cracked, and the air pressure in the detection box 22 can be greatly reduced, at this time, the specific value of the compression resistance of the plastic coated steel tube can be obtained by observing and recording the maximum value of the first pressure sensor 15 and the value change of the second pressure sensor 24 in real time, so that the function of measuring the compression resistance of the plastic coated steel tube is achieved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a plastic-coated steel pipe compressive property's survey device, includes bottom plate (1), its characterized in that: the middle part fixedly connected with main box body (2) of bottom plate (1) upper surface, the middle part fixedly connected with servo motor (3) of main box body (2) rear end, the output of servo motor (3) runs through main box body (2) to the inside fixedly connected with threaded rod (4) of main box body (2), the pole body cover of threaded rod (4) is equipped with thread bush (5), the outside fixedly connected with connecting seat (6) of main box body (2) is run through to the upper end of thread bush (5), the outer wall of connecting seat (6) front end is fixedly connected with first sealed pad (7) and backup pad (8) respectively;
the middle part fixedly connected with first mounting panel (9) of backup pad (8) upper surface front end, the middle part of first mounting panel (9) rear end is provided with first electric telescopic handle (10), the output fixedly connected with first sealed cowling (11) of first electric telescopic handle (10), the middle part fixedly connected with second mounting panel (12) of first mounting panel (9) upper surface rear end, the middle part of second mounting panel (12) front end is provided with second electric telescopic handle (13), the output fixedly connected with second sealed cowling (14) of second electric telescopic handle (13);
the electric control device is characterized in that a first pressure sensor (15) is fixedly connected to the center of one end, far away from a supporting plate (8), of the first sealing cover (11), a suction head (17) is fixedly connected to the center of one end, far away from the supporting plate (8), of the second sealing cover (14), a connecting pipe (18) is arranged in the second sealing cover (14), the rear end of the connecting pipe (18) penetrates through the second sealing cover (14) to extend to the outer part of the second sealing cover (14), a placing groove (19) is formed in the middle of the upper surface of the connecting seat (6), a high-pressure suction pump (20) is fixedly connected to the bottom surface of the placing groove (19), a suction port of the high-pressure suction pump (20) penetrates through the connecting seat (6) through a pipeline and is fixedly connected with the connecting pipe (18), a first positioning plate (30) is fixedly connected to the middle of the upper surface of the supporting plate (8), a plurality of third mounting plates (28) are fixedly connected to two sides of the upper surface of the first positioning plate (30), a plurality of electric control rods (29) are fixedly connected to the middle of the electric control rods (29), and the electric control rods (29) are fixedly connected to the middle of the electric control rods (31) at the middle of the first positioning plate (30);
the front end fixedly connected with detects box (22) of main box body (2) upper surface, the front end fixedly connected with second pressure sensor (24) of the inside top surface of detection box (22), through-hole (25) have been seted up at the middle part of detection box (22) rear end, the outer wall and the through-hole (25) of first sealed pad (7) closely laminate.
2. The device for measuring the compressive resistance of a plastic coated steel pipe according to claim 1, wherein: the first electric telescopic rod (10) is fixedly connected with the first mounting plate (9) through bolts.
3. The device for measuring the compressive resistance of a plastic coated steel pipe according to claim 1, wherein: the second electric telescopic rod (13) is fixedly connected with the second mounting plate (12) through bolts.
4. The device for measuring the compressive resistance of a plastic coated steel pipe according to claim 1, wherein: and one ends, far away from the supporting plate (8), of the inner parts of the first sealing cover (11) and the second sealing cover (14) are fixedly connected with a second sealing gasket (16).
5. The device for measuring the compressive resistance of a plastic coated steel pipe according to claim 1, wherein: the front end of the connecting pipe (18) is connected with the air suction head (17) in a penetrating way.
6. The device for measuring the compressive resistance of a plastic coated steel pipe according to claim 1, wherein: an observation window (26) is arranged in the middle of one side of the detection box (22).
7. The device for measuring the compressive resistance of a plastic coated steel pipe according to claim 1, wherein: the inner wall fixedly connected with limiting plate (23) of detection box (22) front end, limiting groove (21) has been seted up at the middle part of backup pad (8) front end, limiting plate (23) are at the inside sliding connection of limiting groove (21).
8. The device for measuring the compressive resistance of a plastic coated steel pipe according to claim 1, wherein: the front end of the outer wall of one side of the main box body (2) is provided with a control panel (27).
CN202223454956.8U 2022-12-23 2022-12-23 Measuring device for compression resistance of plastic-coated steel pipe Active CN219161821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223454956.8U CN219161821U (en) 2022-12-23 2022-12-23 Measuring device for compression resistance of plastic-coated steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223454956.8U CN219161821U (en) 2022-12-23 2022-12-23 Measuring device for compression resistance of plastic-coated steel pipe

Publications (1)

Publication Number Publication Date
CN219161821U true CN219161821U (en) 2023-06-09

Family

ID=86613374

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223454956.8U Active CN219161821U (en) 2022-12-23 2022-12-23 Measuring device for compression resistance of plastic-coated steel pipe

Country Status (1)

Country Link
CN (1) CN219161821U (en)

Similar Documents

Publication Publication Date Title
CN209910925U (en) Leakproofness detection device is used in cross production
CN110873629B (en) Pipeline external pressure detection device
CN219161821U (en) Measuring device for compression resistance of plastic-coated steel pipe
CN210953047U (en) Long meter clamping device
CN210293614U (en) Wall static pressure measuring device for thin-wall structure
CN216695460U (en) Oil mass sensor gas tightness detection device
CN211783142U (en) Combined machining checking fixture for selected pin
CN208289799U (en) A kind of outer surface aperture pipe lining device
CN212693171U (en) Air tightness detection device
CN210005188U (en) Leakage detection device for nonlinear thin-wall hard pipeline
CN211291895U (en) Automatic detection device for air tightness of automobile pipe fitting
CN213239746U (en) Metal pipeline pressure-bearing testing machine
CN218674098U (en) Novel thread switching leak hunting connects
CN106989872B (en) Black plastic leakage detection device of filter
CN218180226U (en) Sealing performance testing device for self-locking blanking plug
CN214747617U (en) Novel detection device
CN219348042U (en) Internal pressure testing device for battery
CN217928310U (en) Temperature control probe sheath assembly and oil pipeline
CN113108058B (en) Sealing device for improving insulating property of annular force transducer
CN210689931U (en) Quick connector for pressure gauge
CN213580795U (en) Digital ultrasonic flaw detector convenient to position
CN218297866U (en) Pipeline pressure testing device for fire fighting equipment engineering construction
CN218956022U (en) Vacuum box with sealed helium filling plug structure
CN213779377U (en) A just, tear joint open for manometer examination
CN219220917U (en) Automatic hydraulic cylinder production line of robot

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant