CN114486102A - Underwater detection device for pipe leakage and detection method thereof - Google Patents

Underwater detection device for pipe leakage and detection method thereof Download PDF

Info

Publication number
CN114486102A
CN114486102A CN202210149224.3A CN202210149224A CN114486102A CN 114486102 A CN114486102 A CN 114486102A CN 202210149224 A CN202210149224 A CN 202210149224A CN 114486102 A CN114486102 A CN 114486102A
Authority
CN
China
Prior art keywords
pipe
plate
supporting block
plugging
vertical fixing
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
Application number
CN202210149224.3A
Other languages
Chinese (zh)
Inventor
张望成
李强
孙清洁
鲁蓉蓉
曾宪山
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.)
Hunan Xiangtou Goldsky New Materials Co ltd
Original Assignee
Hunan Xiangtou Goldsky New Materials 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 Hunan Xiangtou Goldsky New Materials Co ltd filed Critical Hunan Xiangtou Goldsky New Materials Co ltd
Priority to CN202210149224.3A priority Critical patent/CN114486102A/en
Publication of CN114486102A publication Critical patent/CN114486102A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
    • G01M3/08Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention relates to an underwater detection device for pipe leakage and a detection method thereof, wherein the detection device comprises a rack, a rotating shaft is arranged on the rack, the outer surfaces of two ends of the rotating shaft positioned in the rack are respectively and fixedly connected with a turnover plate I and a turnover plate II, the turnover plates I and II form a turnover frame through a plurality of connecting rods, wherein water tanks are respectively arranged below the plurality of connecting rods, two ends of each water tank are movably connected with the corresponding connecting rod through bearings, and lifting assemblies are respectively arranged on one surfaces of the plurality of connecting rods, which face the water tanks; according to the detection method, the leakage of the pipe can be rapidly detected by the aid of the structures such as the rack, the rotating shaft, the turnover frame, the water tank and the lifting assembly and by the aid of the detection method, the collision between pipe feeding and detection is avoided by means of continuous rotation of the turnover frame, the detection efficiency of the pipe is improved, and the limitation of the whole-process efficiency of pipe production is eliminated.

Description

Underwater detection device for pipe leakage and detection method thereof
Technical Field
The invention relates to the technical field of pipe detection, in particular to an underwater pipe leakage detection device and a detection method thereof.
Background
The leaked pipes are in service, so that serious influence is brought to the use of equipment, the machine needs to be stopped for maintenance, and the serious waste of manpower and material resources is caused. Pipe leak detection is therefore an important process in the production of pipes. At present, the leakage detection modes of the pipe are divided into two modes, one mode is that the pipe is immersed in water after compressed air is introduced into the pipe, and the leakage condition of the pipe is observed; and the other method is to introduce compressed air into the pipe, and compare the air pressure difference before and after pressure maintaining to judge whether the pipe leaks. Compared with an air pressure difference detection mode, the underwater air tightness detection mode can more visually observe whether the pipe leaks or not, and can directly confirm a leakage point, so that the method is widely applied to leakage detection of the pipe. But the equipment structure of the current underwater leakage detection is simple, and the detection efficiency is not high.
Disclosure of Invention
The invention aims to solve the technical problem of providing an underwater detection device for pipe leakage and a detection method thereof.
In order to solve the technical problem, the invention adopts the following technical scheme on one hand:
the utility model provides a detection device under water of tubular product leakage, includes the frame, set up the pivot in the frame, be located in the frame the both ends surface difference fixedly connected with returning face plate I and returning face plate II of pivot, returning face plate I with returning face plate II constitutes the roll-over stand through plural root connecting rod, wherein, the plural root the below of connecting rod all is equipped with the basin, the both ends of basin all through the bearing with connecting rod swing joint, and the plural root the connecting rod orientation the one side of basin all is equipped with lifting unit.
In one embodiment, the lifting assembly comprises a lifting cylinder I and a lifting cylinder II which are arranged at two ends of a connecting rod and face towards the water tank, the output ends of the lifting cylinder I and the lifting cylinder II are respectively connected with a vertical fixing plate I and a vertical fixing plate II, the upper end of the vertical fixing plate I is fixedly connected with the upper end of the vertical fixing plate II through a connecting plate, and the lower end of the vertical fixing plate I is fixedly connected with the lower end of the vertical fixing plate II through a blanking plate.
In one embodiment, the blanking plate is provided with a pipe supporting block I; one surface of the connecting plate, facing the blanking plate, is provided with a clamping cylinder corresponding to the pipe supporting block I, the output end of the clamping cylinder is fixedly provided with a pipe supporting block II matched with the pipe supporting block I, and the pipe supporting block I and the pipe supporting block II form a clamp.
In one embodiment, be equipped with on vertical fixing plate I towards the shutoff subassembly I of II directions of vertical fixing plate, be equipped with on vertical fixing plate II towards the shutoff subassembly II of I directions of vertical fixing plate.
In one embodiment, the plugging component I and the plugging component II both comprise plugging cylinders, plugging heads are fixedly arranged on output shafts of the plugging cylinders, and vent holes are formed in the plugging heads.
In one embodiment, a perforation hole is formed in one end of the rack, a universal rotary joint is arranged on the perforation hole, one end of the universal rotary joint is connected with a compressed air source through an air pipe, and the other end of the universal rotary joint is respectively communicated with the lifting cylinder I, the lifting cylinder II, the clamping cylinder, the plugging cylinder and the vent hole through the air pipe.
In one embodiment, a plurality of cameras are further arranged on one surface, facing the blanking plate, of the connecting plate, and the cameras are all connected with a display.
In one embodiment, a supporting seat is arranged at one end of the rack far away from the perforation hole, a servo motor is arranged on the supporting seat, the servo motor is connected with a speed reducer, and the speed reducer is connected with the rotating shaft.
In one embodiment, a robot is provided on one side of the rack.
In order to solve the technical problem, the invention adopts the following technical scheme in another aspect:
an underwater detection method for pipe leakage comprises the following steps:
step one; injecting water into the water tank, and then starting a servo motor to operate to drive the roll-over stand to rotate circularly; in the rotating process of the turnover frame, a lifting cylinder I and a lifting cylinder II in the lifting assembly contract to enable a connecting plate and a blanking plate to ascend, and meanwhile, a clamping cylinder on one surface, facing the blanking plate, of the connecting plate contracts to enable a pipe supporting block II to be far away from the pipe supporting block I;
step two; when the lifting assembly rotates to one side of the manipulator, a pipe to be detected is placed on the pipe supporting block I through the manipulator, then the clamping cylinder stretches out, the pipe supporting block II is matched with the pipe supporting block I to clamp the pipe to be detected, then the plugging cylinders on the vertical fixing plate I and the vertical fixing plate II stretch out, and the plugging heads on the output shafts of the plugging cylinders plug two ends of the pipe to be detected; thus, the pipe to be detected is continuously placed into the lifting assembly for internal part detection through the manipulator;
step three; when the pipe to be detected is clamped and plugged, compressed air is introduced into the pipe to be detected through the air pipe and the vent hole; then the lifting cylinder I and the lifting cylinder II extend out, so that the connecting plate and the blanking plate descend into the water tank, because compressed air is in the pipe, a real-time picture of the pipe is displayed through a display by a camera device, and whether continuous bubbles emerge from the water or not is observed through the display, if so, the pipe leaks and is an unqualified product; otherwise, the product is qualified;
step four; after the pipe is detected, when the lifting assembly returns to one side of the manipulator, the lifting cylinder I and the lifting cylinder II contract, the connecting plate and the blanking plate ascend, the plugging cylinders on the vertical fixing plate I and the vertical fixing plate II contract, so that the plugging heads on the output shafts of the plugging cylinders are far away from the pipe, meanwhile, the pipe unloads compressed air in the pipe, and then the connecting plate contracts towards the clamping cylinder on one side of the blanking plate, so that the pipe supporting block II is far away from the pipe supporting block I; and finally, the manipulator unloads the detected pipe.
The invention has the following beneficial effects:
according to the underwater detection device and the detection method for pipe leakage, the quick detection of pipe leakage can be realized through the structures of the rack, the rotating shaft, the roll-over stand, the water tank, the lifting assembly and the like and the matching detection method, meanwhile, the collision of pipe feeding and detection is avoided through the continuous rotation of the roll-over stand, the detection efficiency of the pipe is improved, and the limitation of the whole flow efficiency of pipe production is eliminated.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the vertical cross-section elevation structure of fig. 1 of the present invention.
FIG. 3 is a schematic diagram of the vertical cross-sectional side view of FIG. 1 of the present invention.
In the figure: 5. bearing, 10, frame, 11, supporting seat, 12, servo motor, 13, speed reducer, 15, the pivot, 16, the perforation hole, 20, returning face plate I, 21, the connecting rod, 30, returning face plate II, 31, the basin, 41, lift cylinder I, 42, lift cylinder II, 43, vertical fixed plate I, 44, vertical fixed plate II, 45, the connecting plate, 46, blanking plate, 47, tubular product supporting shoe I, 48, the clamp cylinder, 49, tubular product supporting shoe II, 51, shutoff cylinder, 52, the shutoff head.
Detailed description of the preferred embodiments
In the present application, the power supply to all the electric components such as the image pickup device may be performed by non-contact power supply. Namely, the following patent numbers are adopted: 201720970336.X, thereby avoiding the limitation of the wire to the rotation of the roll-over stand.
The invention is further explained with reference to the drawings and the embodiments.
Example one
As shown in fig. 1-3, the present embodiment includes a frame 10, the frame 10 being a U-shaped frame; further, a rotating shaft 15 is arranged on the frame 10, and specifically, the rotating shaft 15 is located in the U-shaped frame 10;
the outer surfaces of two ends of a rotating shaft 15 positioned in the rack 10 are respectively and fixedly connected with a turnover plate I20 and a turnover plate II 30, and the turnover plate I20 and the turnover plate II 30 are positioned on the rotating shaft 15 in the rack 10; a cylindrical overturning frame is formed between the overturning plate I20 and the overturning plate II 30 through a plurality of connecting rods 21; in this embodiment, the I20 and II 30 turning plates are polygonal turning plates, so that the turning frame can be turned on the rotating shaft 15 through the operation of the servo motor 12.
The water tanks 31 are respectively arranged below the plurality of connecting rods 21, and two ends of each water tank 31 are movably connected with the connecting rods 21 through the bearings 5, so that the water tanks 31 can rotate around the connecting rods 21 and are always kept at vertical positions;
the plurality of connecting rods 21 are provided with lifting assemblies on one side facing the water tank 31, each lifting assembly comprises a lifting cylinder I41 and a lifting cylinder II 42 which are arranged at two ends of each connecting rod 21 and face the direction of the water tank 31, and the output ends of the lifting cylinders I41 and II 42 are respectively connected with a vertical fixing plate I43 and a vertical fixing plate II 44, so that the vertical fixing plates I43 and II 44 can be controlled to be lifted synchronously through the extension and retraction of the lifting cylinders I41 and II 42;
the upper end of the vertical fixing plate I43 is fixedly connected with the upper end of the vertical fixing plate II 42 through a connecting plate 45, and the lower end of the vertical fixing plate I43 is fixedly connected with the lower end of the vertical fixing plate II 44 through a blanking plate 46; wherein, the blanking plate 46 is provided with a pipe supporting block I47; a clamping cylinder 48 corresponding to the pipe supporting block I47 is arranged on one surface, facing the blanking plate 46, of the connecting plate 45, a pipe supporting block II 49 matched with the pipe supporting block I47 is fixedly arranged at the output end of the clamping cylinder 48, and the pipe supporting block I47 and the pipe supporting block II 49 form a clamping device; in the embodiment, the number of the pipe supporting blocks I47 is at least two, and the number of the clamping cylinders 48 and the number of the pipe supporting blocks II 49 are also at least two and correspond to the pipe supporting blocks I47;
a plugging assembly I facing to the direction of the vertical fixing plate II 42 is arranged on the vertical fixing plate I43, and a plugging assembly II facing to the direction of the vertical fixing plate I43 is arranged on the vertical fixing plate II 42; the plugging assembly I and the plugging assembly II both comprise plugging air cylinders 51, the output shafts of the plugging air cylinders 51 are fixedly provided with plugging heads 52, and the plugging heads 52 are provided with vent holes; specifically, the conveying end of the plugging cylinder 51 penetrates through the vertical fixing plate I43 or the vertical fixing plate II 42 and is connected with the plugging head 52;
perforation hole 16 has been seted up to the one end of frame 10, be provided with universal rotary joint on perforation hole 16, compressed air source is connected through the trachea to universal rotary joint's one end, the other end passes through the trachea and communicates with lift cylinder I41, lift cylinder II 42, die clamping cylinder 48 and air vent respectively, and from this, through universal rotary joint's setting for lift cylinder I41, lift cylinder II 42, die clamping cylinder 48 and air vent are at the pivoted in-process, can not form the phenomenon of knoing with universal rotary joint.
A plurality of camera devices are further arranged on one surface of the connecting plate 45 facing the blanking plate 46, and are connected with a display; therefore, the pipe in the water tank can be observed through the arrangement of the camera device and the display, and whether continuous bubbles emerge in the detection process or not can be detected.
A supporting seat 11 is arranged at one end, away from the pipe penetrating hole 16, of the rack 10, a servo motor 12 is arranged on the supporting seat 11, the servo motor 12 is connected with a speed reducer 13, and the speed reducer 13 is connected with the rotating shaft 15; thereby, the rotation shaft 15 can be rotated on the frame 10 by the operation of the servo motor 12.
In addition, a robot is provided at one side of the frame 10, and thus, the tube is taken and placed by the robot.
Example two
An underwater detection method for pipe leakage comprises the following steps:
step one; injecting water into the water tank 31, and then starting the servo motor 12 to operate to drive the roll-over stand to rotate circularly; in the rotating process of the turnover frame, the lifting cylinder I41 and the lifting cylinder II 42 in the lifting assembly contract to enable the connecting plate 45 and the blanking plate 46 to ascend, and meanwhile, the connecting plate 45 contracts towards the clamping cylinder 48 on one surface of the blanking plate 46 to enable the pipe supporting block II 49 to be far away from the pipe supporting block I47;
step two; when the lifting assembly rotates to one side of the manipulator, a pipe to be detected is placed on the pipe supporting block I47 through the manipulator, then the clamping cylinder 48 extends out, the pipe supporting block II 49 is matched with the pipe supporting block I47 to clamp the pipe to be detected, then the plugging cylinders 51 on the vertical fixing plate I43 and the vertical fixing plate II 42 extend out, and the plugging heads on the output shafts of the plugging cylinders 51 plug two ends of the pipe to be detected; thus, the pipe to be detected is continuously placed into the lifting assembly for internal part detection through the manipulator;
step three; when the pipe to be detected is clamped and plugged, compressed air is introduced into the pipe to be detected through the air pipe and the vent hole; then, the lifting cylinder I41 and the lifting cylinder II 42 extend out, so that the connecting plate 45 and the blanking plate 46 descend into the water tank 31, because compressed air exists in the pipe, a real-time picture of the pipe is displayed through a display by a camera device, and whether continuous bubbles emerge from the water or not is observed through the display, if so, the pipe leaks and is an unqualified product; otherwise, the product is qualified;
step four; after the pipe detection is finished, when the lifting assembly returns to one side of the manipulator, the lifting cylinder I41 and the lifting cylinder II 42 contract, the connecting plate 45 and the blanking plate 46 ascend, the plugging cylinders 51 on the vertical fixing plate I43 and the vertical fixing plate II 42 contract, the plugging heads on the output shafts of the plugging cylinders 51 are far away from the pipe, meanwhile, the pipe discharges compressed air in the pipe, and then the connecting plate 45 contracts towards the clamping cylinder 48 on one side of the blanking plate 46, so that the pipe supporting block II 49 is far away from the pipe supporting block I47; and finally, the manipulator unloads the detected pipe.
In addition, the invention can realize the matching of three times by adjusting the feeding time, the detection time and the rotating speed of the roll-over stand, thereby ensuring the accuracy of the detection result and improving the detection efficiency.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the technical solutions of the present invention have been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced equally; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An underwater detection device for pipe leakage is characterized in that: including frame (10), set up pivot (15) in frame (10), be located in frame (10) the both ends surface difference fixedly connected with returning face plate I (20) and returning face plate II (30) of pivot (15), returning face plate I (20) with returning face plate II (30) constitute the roll-over stand through complex root connecting rod (21), wherein, the complex root the below of connecting rod (21) all is equipped with basin (31), the both ends of basin (31) all through bearing (5) with connecting rod (21) swing joint, and the complex root connecting rod (21) orientation the one side of basin (31) all is equipped with lifting unit.
2. The subsea detection device of a pipe leak of claim 1, characterized in that: the lifting assembly comprises a connecting rod (21) and two ends facing a lifting cylinder I (41) and a lifting cylinder II (42) of the water tank (31), the lifting cylinder I (41) and the output end of the lifting cylinder II (42) are respectively connected with a vertical fixing plate I (43) and a vertical fixing plate II (44), the upper end of the vertical fixing plate I (43) is fixedly connected with the upper end of the vertical fixing plate II (44) through a connecting plate (45), and the lower end of the vertical fixing plate I (43) is fixedly connected with the lower end of the vertical fixing plate II (44) through a blanking plate (46).
3. The subsea detection device of a pipe leak of claim 2, characterized in that: the blanking plate (46) is provided with a pipe supporting block I (47); one surface of the connecting plate (45) facing the blanking plate (46) is provided with a clamping cylinder (48) corresponding to the pipe supporting block I (47), the output end of the clamping cylinder (48) is fixedly provided with a pipe supporting block II (49) matched with the pipe supporting block I (47), and the pipe supporting block I (47) and the pipe supporting block II (49) form a clamping device.
4. The subsea detection device of a pipe leak of claim 3, characterized in that: be equipped with on vertical fixed plate I (43) and move towards the shutoff subassembly I of II (42) directions of vertical fixed plate, be equipped with on vertical fixed plate II (42) and move towards the shutoff subassembly II of I (43) directions of vertical fixed plate.
5. The subsea detection device of a pipe leak of claim 4, characterized in that: the plugging assembly I and the plugging assembly II both comprise plugging cylinders (51), plugging heads (52) are fixedly arranged on output shafts of the plugging cylinders (51), and vent holes are formed in the plugging heads (52).
6. The subsea detection device of a pipe leak of claim 5, characterized in that: a perforation hole (16) is formed in one end of the rack (10), a universal rotary joint is arranged on the perforation hole (16), one end of the universal rotary joint is connected with a compressed air source through an air pipe, and the other end of the universal rotary joint is communicated with the lifting cylinder I (41), the lifting cylinder II (42), the clamping cylinder (48), the plugging cylinder (51) and the vent hole through the air pipe.
7. The subsea detection device of a pipe leak of claim 6, characterized in that: and one surface of the connecting plate (45) facing the blanking plate (46) is also provided with a plurality of camera devices, and the plurality of camera devices are all connected with a display.
8. The subsea detection device of a pipe leak of claim 7, characterized in that: one end, far away from the pipe penetrating hole (16), of the rack (10) is provided with a supporting seat (11), a servo motor (12) is arranged on the supporting seat (11), the servo motor (12) is connected with a speed reducer (13), and the speed reducer (13) is connected with the rotating shaft (15).
9. The subsea detection device of a pipe leak of claim 8, characterized in that: and a manipulator is arranged on one side of the rack (10).
10. The method for underwater detection of pipe leakage according to any of claims 1-9, characterized in that: the method comprises the following steps:
step one; injecting water into the water tank (31), and then starting the servo motor (12) to operate to drive the roll-over stand to rotate circularly; in the rotating process of the turnover frame, a lifting cylinder I (41) and a lifting cylinder II (42) in a lifting assembly contract to enable a connecting plate (45) and a blanking plate (46) to ascend, and meanwhile, the connecting plate (45) contracts towards a clamping cylinder (48) on one surface of the blanking plate (46) to enable a pipe supporting block II (49) to be far away from the pipe supporting block I (47);
step two; when the lifting assembly rotates to one side of the manipulator, a pipe to be detected is placed on the pipe supporting block I (47) through the manipulator, then the clamping cylinder (48) extends out, so that the pipe supporting block II (49) is matched with the pipe supporting block I (47) to clamp the pipe to be detected, then the plugging cylinders (51) on the vertical fixing plate I (43) and the vertical fixing plate II (42) extend out, and the plugging heads on the output shafts of the plugging cylinders (51) plug two ends of the pipe to be detected; thus, the pipe to be detected is continuously placed into the lifting assembly for internal part detection through the manipulator;
step three; when the pipe to be detected is clamped and plugged, compressed air is introduced into the pipe to be detected through the air pipe and the vent hole; then, the lifting cylinder I (41) and the lifting cylinder II (42) extend out, so that the connecting plate (45) and the blanking plate (46) descend into the water tank (31), compressed air is contained in the pipe, a real-time picture of the pipe is displayed through a display by a camera device, and whether continuous bubbles emerge from the water or not is observed through the display, if yes, the pipe leaks, and the pipe is an unqualified product; otherwise, the product is qualified;
step four; after the pipe detection is finished and the lifting assembly returns to one side of the manipulator, the lifting cylinder I (41) and the lifting cylinder II (42) contract, the connecting plate (45) and the blanking plate (46) ascend, the plugging cylinders (51) on the vertical fixing plate I (43) and the vertical fixing plate II (42) contract to enable the plugging heads on the output shafts of the plugging cylinders (51) to be far away from the pipe, meanwhile, the pipe discharges compressed air in the pipe, and then the connecting plate (45) contracts towards the clamping cylinder (48) on one side of the blanking plate (46) to enable the pipe supporting block II (49) to be far away from the pipe supporting block I (47); and finally, the manipulator unloads the detected pipe.
CN202210149224.3A 2022-02-18 2022-02-18 Underwater detection device for pipe leakage and detection method thereof Pending CN114486102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210149224.3A CN114486102A (en) 2022-02-18 2022-02-18 Underwater detection device for pipe leakage and detection method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210149224.3A CN114486102A (en) 2022-02-18 2022-02-18 Underwater detection device for pipe leakage and detection method thereof

Publications (1)

Publication Number Publication Date
CN114486102A true CN114486102A (en) 2022-05-13

Family

ID=81482924

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210149224.3A Pending CN114486102A (en) 2022-02-18 2022-02-18 Underwater detection device for pipe leakage and detection method thereof

Country Status (1)

Country Link
CN (1) CN114486102A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19950630A1 (en) * 1998-10-20 2000-11-16 Horst Sklarz Method and device for testing consistency in pipelines and raceway pipe work detects exact amounts of water loss and pressure loss in air pressure testing.
CN108195522A (en) * 2018-01-09 2018-06-22 昆山翰辉电子科技有限公司 For the detecting tool of air tightness of pipe fitting
CN108195529A (en) * 2017-12-24 2018-06-22 安徽工程大学 A kind of tank body device for detecting sealability and its detection method
CN109632199A (en) * 2019-01-30 2019-04-16 黄力波 A kind of tubing test equipment
CN208872474U (en) * 2018-11-09 2019-05-17 四川岷河管道建设工程有限公司 A kind of full-automatic pipe air tightness detection machine
DE102018006642A1 (en) * 2018-08-22 2020-02-27 Daimler Ag Leakage detection device
CN112014040A (en) * 2020-09-10 2020-12-01 浙江浩海管业有限公司 Equipment and method for air tightness leakage detection of pipe
CN112816146A (en) * 2021-01-26 2021-05-18 东莞市凯勒帝数控科技有限公司 Catheter processing is with leakproofness detection device that has flip structure
CN114029244A (en) * 2021-12-08 2022-02-11 淄博市特种设备检验研究院 Continuous detection device for manufacturing pressure pipeline element

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19950630A1 (en) * 1998-10-20 2000-11-16 Horst Sklarz Method and device for testing consistency in pipelines and raceway pipe work detects exact amounts of water loss and pressure loss in air pressure testing.
CN108195529A (en) * 2017-12-24 2018-06-22 安徽工程大学 A kind of tank body device for detecting sealability and its detection method
CN108195522A (en) * 2018-01-09 2018-06-22 昆山翰辉电子科技有限公司 For the detecting tool of air tightness of pipe fitting
DE102018006642A1 (en) * 2018-08-22 2020-02-27 Daimler Ag Leakage detection device
CN208872474U (en) * 2018-11-09 2019-05-17 四川岷河管道建设工程有限公司 A kind of full-automatic pipe air tightness detection machine
CN109632199A (en) * 2019-01-30 2019-04-16 黄力波 A kind of tubing test equipment
CN112014040A (en) * 2020-09-10 2020-12-01 浙江浩海管业有限公司 Equipment and method for air tightness leakage detection of pipe
CN112816146A (en) * 2021-01-26 2021-05-18 东莞市凯勒帝数控科技有限公司 Catheter processing is with leakproofness detection device that has flip structure
CN114029244A (en) * 2021-12-08 2022-02-11 淄博市特种设备检验研究院 Continuous detection device for manufacturing pressure pipeline element

Similar Documents

Publication Publication Date Title
CN201075050Y (en) Device for detecting airtightness of radiator
CN105327863A (en) Automatic air impermeability helium detector for square power batteries
WO2023097825A1 (en) Digital intelligent production line for jet pump
CN104444284A (en) Allow rollover machine and rollover machining method
CN114486102A (en) Underwater detection device for pipe leakage and detection method thereof
CN214749654U (en) Mortar impermeability instrument
CN102611263A (en) Pressure test device for base of explosion-proof electric machine
CN219015550U (en) Test bed for detecting air tightness of compressor cylinder body
CN215262872U (en) Full-automatic hydraulic pressure testing machine for pipes
CN221764783U (en) Die casting quality detection equipment
CN212221670U (en) Automatic unloader based on CG apron
CN210802799U (en) Sealing performance detection device for oil pump workpiece
CN211660842U (en) Electromagnetic expanding machine
CN114486120A (en) Full-automatic pipe leakage detection device and detection method thereof
CN113798821A (en) Fuel cell stack press-fitting, air tightness testing and screwing equipment
CN210367850U (en) Rare earth rapid extraction equipment for rare earth processing
CN219884187U (en) Main body device of vacuum machine
CN114486121A (en) Pipe leakage detection device and detection method thereof
CN220795082U (en) Pipeline defect detection device
CN221516585U (en) Frock of adjustable slender, thin wall stainless steel pipe welding parallelism
CN212150750U (en) Buzzing diaphragm visual positioning system
CN215394967U (en) Positioning pin disassembling system
CN213331817U (en) Testing device of large-pressure hydraulic cylinder
CN220665461U (en) Isolation pressure relief equipment for ionic membrane caustic soda electrolytic tank
CN213017236U (en) Quick fixture replacing device

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