CN210243113U - Leak detection equipment for municipal drainage pipe - Google Patents
Leak detection equipment for municipal drainage pipe Download PDFInfo
- Publication number
- CN210243113U CN210243113U CN201921216956.XU CN201921216956U CN210243113U CN 210243113 U CN210243113 U CN 210243113U CN 201921216956 U CN201921216956 U CN 201921216956U CN 210243113 U CN210243113 U CN 210243113U
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- pipe
- barrel
- gasbag
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Abstract
The utility model discloses a leak hunting equipment of municipal administration drain pipe, including barrel, walking wheel, gasbag, camera, light, defeated tuber pipe one and defeated tuber pipe two, its characterized in that: the utility model discloses a portable lighting device, including barrel, gasbag, camera, light, lamp stand, barrel both ends all be provided with the loading board, be provided with the fixed plate on the barrel, the walking wheel place in the fixed slot, the gasbag set up on the edge of fixed plate, the camera install on the barrel, the light setting on the lamp stand, defeated tuber pipe first pass the loading board after stretch into in the barrel, defeated tuber pipe second pass the loading board after be connected with the fixed plate. The utility model discloses be provided with the pull ring on the loading board, be connected pull ring and outside traction equipment, can provide power for moving of leak hunting equipment, make leak hunting equipment be convenient for remove in the municipal drain pipe, the operation of hunting leak is carried out to the municipal pipeline of each department to the leak hunting equipment of being convenient for, has improved the leak hunting efficiency of municipal drain pipe, has reduced operating personnel's intensity of labour.
Description
Technical Field
The utility model relates to a municipal administration drain pipe technical field specifically is a leak hunting equipment of municipal administration drain pipe.
Background
The drain pipe of municipal drainage pipe network is the important pipeline that discharges production sewage, domestic sewage, in order to prolong municipal drainage pipe's life, needs regularly to carry out the leak hunting processing to municipal drainage pipe, and current drainage pipe leak hunting device has work efficiency low, leak hunting device in the problem that the testing process leakproofness is not good, the testing result precision is low.
Disclosure of Invention
The utility model aims at overcoming the problem that work efficiency is low, leak hunting device is not good, the testing result precision is low at the testing process leakproofness that current municipal drain pipe leak hunting equipment exists, providing a structural design is reasonable, work efficiency is high, leak hunting device is at the testing process leakproofness good, the municipal drain pipe's that the testing result precision is high leak hunting equipment.
The utility model provides a technical scheme that technical problem taken does:
the utility model provides a leak hunting equipment of municipal administration drain pipe, includes barrel, walking wheel, gasbag, camera, light, defeated tuber pipe one and defeated tuber pipe two, its characterized in that: the leakage detection device is characterized in that the two ends of the barrel are provided with bearing plates, the barrel is provided with a fixing plate, the outer wall of the barrel is provided with a lamp holder and an exhaust pipe, the edge of each bearing plate is provided with a fixing groove, the barrel and the bearing plates are connected through welding, the connection strength between the barrel and the bearing plates is improved, the structural strength of the leakage detection device is enhanced, the stability of the leakage detection device in the working process is improved, the travelling wheels are placed in the fixing grooves, the travelling wheels are provided with connecting shafts and connected with the bearing plates, pull rings on the bearing plates are connected with external traction devices, power can be provided for the movement and transportation of the leakage detection device, the leakage detection device moves back and forth in the municipal drainage pipe through the travelling wheels, the friction between the detection device and the municipal drainage pipe is reduced through the travelling wheels, the movement, the gasbag setting on the edge of fixed plate, the camera install on the barrel, the light setting on the lamp stand, can provide the illumination for the work of camera through the light, can carry out comprehensive shooting to municipal drainage pipe inner wall through the camera, improve municipal drainage pipe's detection efficiency and detection quality, in order to improve the leakproofness between loading board and the barrel, the work of camera, light can adopt portable power source to provide, defeated tuber pipe first stretch into in the barrel after passing the loading board, defeated tuber pipe second pass the loading board after be connected with the fixed plate.
Preferably, pressure gauges are arranged on the first air delivery pipe and the second air delivery pipe, air flow is blown into an inner cavity of the two-way fixing plate through the air delivery pipes, the air flow enters the air bag to expand the air bag, so that the air bag is tightly attached to the inner wall of the municipal drainage pipe, the pressure gauge on the second air delivery pipe can record the pressure value of the air bag which is completely expanded, so that the air bag is fully attached to the inner wall of the municipal drainage pipe, after the air bag is fully expanded, the air flow is blown into the cylinder through the air delivery pipes, the air flow in the cylinder flows into the municipal drainage pipe between the air bag and the air bag through the exhaust pipe, the pressure gauge on the first air delivery pipe rises, the first air delivery pipe stops inputting the air flow after the pressure gauge on the first air delivery pipe is raised for a period of time, if the pressure gauge value on the first air delivery pipe tends to be stable, the section of, the leak detection of the municipal drainage pipe is facilitated, the working efficiency is improved, and the labor intensity of operators is reduced.
Preferably, the loading board on be provided with the pull ring, be connected pull ring and outside traction equipment, can provide power for moving of leak hunting equipment, make the leak hunting equipment be convenient for remove in the municipal drain pipe, the operation of hunting leak is carried out to the municipal pipeline of each department to the leak hunting equipment of being convenient for, improved the leak hunting efficiency of municipal drain pipe, reduced operating personnel's intensity of labour.
Preferably, the fixed plate in be provided with the inner chamber, and with inner chamber and gasbag, defeated tuber pipe two is connected, the air current is gone into to the inner chamber of fixed plate to the defeated tuber pipe in the drum, the air current struts the gasbag in getting into the gasbag, make gasbag and municipal drainage pipe inner wall tightly laminate, can carry out leak hunting processing to the municipal drainage pipe between gasbag and the gasbag, through glue zonulae occludens between inner chamber and the gasbag, avoid having the gap between fixed plate and the gasbag, make the air current in the fixed plate inner chamber fully flow into the gasbag in, avoid the air current in the inner chamber to flow from the gap between fixed plate and the gasbag, influence the precision of leak hunting result.
Preferably, fixed plate and fixed plate between be connected through the connecting pipe to be connected the connecting pipe both ends respectively with the inner chamber, the air current is blown into in the inner chamber of defeated tuber pipe two to a fixed plate, the air current in the inner chamber flows into the inner chamber on another fixed plate through the connecting pipe, make the air current strut the gasbag on the fixed plate, be convenient for two gasbags that strut by the air current tightly laminate on the inner wall of municipal drainage pipe, improve the leakproofness between municipal drainage pipe inner wall and the gasbag, and then improve the leak hunting efficiency between the municipal drainage pipe between gasbag and the precision of leak hunting result.
Has the advantages that: the utility model discloses all be provided with the manometer on defeated tuber pipe one, defeated tuber pipe two, through blowing air current in the inner chamber of defeated tuber pipe two-way fixed plate, the air current gets into and struts the gasbag in the gasbag, make gasbag and municipal drainage pipe inner wall closely laminate, can record the pressure value that the gasbag was propped open completely through the manometer on defeated tuber pipe two, make gasbag fully laminate with municipal drainage pipe inner wall, after the gasbag was fully propped open, through defeated tuber pipe one-side in the barrel air current that blows, the air current in the barrel flows into the municipal drainage pipe between gasbag and the gasbag through the exhaust pipe, manometer on defeated tuber pipe one rises, defeated tuber pipe one stops the air current after rising a period of time, if trend to steady, the no leak source of this section municipal drainage pipe is said, if the manometer value on defeated tuber pipe one descends gradually, then explain this section municipal drainage pipe has the leak source, the leak detection of the municipal drainage pipe is facilitated, the working efficiency is improved, and the labor intensity of operators is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the bearing plate and the traveling wheels.
Fig. 3 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the airbag and the fixing plate.
Fig. 4 is a schematic diagram of another embodiment of the present invention.
In the figure: 1. the air bag type air conditioner comprises a barrel, a traveling wheel 2, an air bag 3, a camera 4, a lighting lamp 5, an air conveying pipe 6, an air conveying pipe I, an air conveying pipe 7, an air conveying pipe II, a bearing plate 8, a fixing plate 9, a lamp holder 10, an exhaust pipe 11, a pull ring 12, a fixing groove 13, a connecting shaft 14, an inner cavity 15, a connecting pipe 16, a pressure gauge 17, a connecting plate 18 and a sealing strip 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The first embodiment is as follows:
as shown in the attached figures 1-3, the leakage detection equipment for the municipal drainage pipe comprises a cylinder body 1, a travelling wheel 2, an air bag 3, a camera 4, a lighting lamp 5, a first air conveying pipe 6 and a second air conveying pipe 7, and is characterized in that: the leakage detection device is characterized in that the two ends of the cylinder body 1 are respectively provided with a bearing plate 8, the cylinder body 1 is provided with a fixing plate 9, the outer wall of the cylinder body 1 is provided with a lamp holder 10 and an exhaust pipe 11, the edge of the bearing plate 8 is provided with a fixing groove 13, the cylinder body 1 and the bearing plate 8 are connected by welding, the connection strength between the cylinder body 1 and the bearing plate 8 is improved, the structural strength of the leakage detection device is enhanced, the stability of the leakage detection device in the working process is improved, the walking wheel 2 is placed in the fixing groove 13, the walking wheel 2 is provided with a connecting shaft 14, the connecting shaft 14 is connected with the bearing plate 8, a pull ring 12 on the bearing plate 8 is connected with an external traction device, power can be provided for the movement and transportation of the leakage detection device, the leakage detection device moves back and forth in the municipal drainage pipe, removal convenient to leak hunting equipment has improved the leak hunting efficiency of municipal drainage pipe, gasbag 3 set up on the edge of fixed plate 9, camera 4 install on barrel 1, light 5 set up on lamp stand 10, can provide illumination for camera 4's work through light 5, can make a video recording to municipal drainage pipe inner wall comprehensively through camera 4, improve municipal drainage pipe's detection efficiency and detection quality, in order to improve the leakproofness between loading board 8 and barrel 1, camera 4, light 5's work can adopt portable power source to provide, defeated tuber pipe 6 stretch into in the barrel 1 after passing loading board 8, defeated tuber pipe two 7 be connected with fixed plate 9 after passing loading board 8.
Preferably, pressure gauges 17 are arranged on the first air delivery pipe 6 and the second air delivery pipe 7, air flow is blown into an inner cavity 15 of the fixing plate 9 through the second air delivery pipe 7, the air flow enters the air bag 3 to prop the air bag 3 open, so that the air bag 3 is tightly attached to the inner wall of the municipal drainage pipe, the pressure gauge 17 on the second air delivery pipe 7 can record the pressure value of the air bag 3 which is completely propped open, so that the air bag 3 is fully attached to the inner wall of the municipal drainage pipe, after the air bag 3 is fully propped open, the air flow is blown into the barrel 1 through the first air delivery pipe 6, the air flow in the barrel 1 flows into the municipal drainage pipe between the air bag 3 and the air bag 3 through the exhaust pipe 11, the pressure gauge 17 on the first air delivery pipe 6 rises, the first air delivery pipe 6 stops inputting the air flow after the air flow rises for a period of time, if the pressure gauge 17 on the first air delivery pipe 6 tends to be stable, the municipal, it has the leak source then to explain this section municipal administration drain pipe, and the leak hunting of the municipal administration drain pipe of being convenient for has improved work efficiency, has reduced operating personnel's intensity of labour.
Preferably, loading board 8 on be provided with pull ring 12, be connected pull ring 12 and outside traction equipment, can provide power for moving of leak hunting equipment, make the leak hunting equipment be convenient for remove in the municipal drain pipe, the municipal pipeline of leak hunting equipment to each department of being convenient for carries out the leak hunting operation, has improved the leak hunting efficiency of municipal drain pipe, has reduced operating personnel's intensity of labour.
Preferably, fixed plate 9 in be provided with inner chamber 15, and with inner chamber 15 and gasbag 3, defeated tuber pipe two 7 are connected, the air current is gone into to the inner chamber 15 of fixed plate 9 through defeated tuber pipe two 7 drum into, the air current props out gasbag 3 in getting into gasbag 3, make gasbag 3 and municipal drainage pipe inner wall tightly laminate, can carry out the leak hunting processing to the municipal drainage pipe between gasbag 3 and the gasbag 3, through glue zonulae occludens between inner chamber 15 and the gasbag 3, avoid having the gap between fixed plate 9 and the gasbag 3, make the air current in the inner chamber 15 of fixed plate 9 fully flow in the gasbag 3, avoid the air current in the inner chamber 15 to flow out from the gap between fixed plate 9 and the gasbag 3, influence the precision of leak hunting result.
Preferably, the fixing plates 9 are connected with the fixing plates 9 through connecting pipes 16, two ends of each connecting pipe 16 are respectively connected with the inner cavity 15, the air delivery pipe II 7 blows air into the inner cavity 15 on one fixing plate 9, the air in the inner cavity 15 flows into the inner cavity 15 on the other fixing plate 9 through the connecting pipe 16, so that the air flow props up the air bags 3 on the fixing plates 9, the two air bags 3 propped up by the air flow are tightly attached to the inner wall of the municipal drainage pipe, the sealing performance between the inner wall of the municipal drainage pipe and the air bags 3 is improved, and the leakage detection efficiency between the air bags 3 and the municipal drainage pipe between the air bags 3 and the accuracy of the leakage detection result are improved.
Example two:
as shown in the attached figure 4, the leakage detection equipment for the municipal drainage pipe comprises a barrel 1, a travelling wheel 2, an air bag 3, a camera 4, a lighting lamp 5, a first air conveying pipe 6 and a second air conveying pipe 7, and is characterized in that: the leakage detection device is characterized in that the two ends of the cylinder body 1 are respectively provided with a bearing plate 8, the cylinder body 1 is provided with a fixing plate 9, the outer wall of the cylinder body 1 is provided with a lamp holder 10 and an exhaust pipe 11, the edge of the bearing plate 8 is provided with a fixing groove 13, the cylinder body 1 and the bearing plate 8 are connected by welding, the connection strength between the cylinder body 1 and the bearing plate 8 is improved, the structural strength of the leakage detection device is enhanced, the stability of the leakage detection device in the working process is improved, the walking wheel 2 is placed in the fixing groove 13, the walking wheel 2 is provided with a connecting shaft 14, the connecting shaft 14 is connected with the bearing plate 8, a pull ring 12 on the bearing plate 8 is connected with an external traction device, power can be provided for the movement and transportation of the leakage detection device, the leakage detection device moves back and forth in the municipal drainage pipe, removal convenient to leak hunting equipment has improved the leak hunting efficiency of municipal drainage pipe, gasbag 3 set up on the edge of fixed plate 9, camera 4 install on barrel 1, light 5 set up on lamp stand 10, can provide illumination for camera 4's work through light 5, can make a video recording to municipal drainage pipe inner wall comprehensively through camera 4, improve municipal drainage pipe's detection efficiency and detection quality, in order to improve the leakproofness between loading board 8 and barrel 1, camera 4, light 5's work can adopt portable power source to provide, defeated tuber pipe 6 stretch into in the barrel 1 after passing loading board 8, defeated tuber pipe two 7 be connected with fixed plate 9 after passing loading board 8.
Preferably, pressure gauges 17 are arranged on the first air delivery pipe 6 and the second air delivery pipe 7, air flow is blown into an inner cavity 15 of the fixing plate 9 through the second air delivery pipe 7, the air flow enters the air bag 3 to prop the air bag 3 open, so that the air bag 3 is tightly attached to the inner wall of the municipal drainage pipe, the pressure gauge 17 on the second air delivery pipe 7 can record the pressure value of the air bag 3 which is completely propped open, so that the air bag 3 is fully attached to the inner wall of the municipal drainage pipe, after the air bag 3 is fully propped open, the air flow is blown into the barrel 1 through the first air delivery pipe 6, the air flow in the barrel 1 flows into the municipal drainage pipe between the air bag 3 and the air bag 3 through the exhaust pipe 11, the pressure gauge 17 on the first air delivery pipe 6 rises, the first air delivery pipe 6 stops inputting the air flow after the air flow rises for a period of time, if the pressure gauge 17 on the first air delivery pipe 6 tends to be stable, the municipal, it has the leak source then to explain this section municipal administration drain pipe, and the leak hunting of the municipal administration drain pipe of being convenient for has improved work efficiency, has reduced operating personnel's intensity of labour.
Preferably, loading board 8 on be provided with pull ring 12, be connected pull ring 12 and outside traction equipment, can provide power for moving of leak hunting equipment, make the leak hunting equipment be convenient for remove in the municipal drain pipe, the municipal pipeline of leak hunting equipment to each department of being convenient for carries out the leak hunting operation, has improved the leak hunting efficiency of municipal drain pipe, has reduced operating personnel's intensity of labour.
Preferably, fixed plate 9 in be provided with inner chamber 15, and with inner chamber 15 and gasbag 3, defeated tuber pipe two 7 are connected, the air current is gone into to the inner chamber 15 of fixed plate 9 through defeated tuber pipe two 7 drum into, the air current props out gasbag 3 in getting into gasbag 3, make gasbag 3 and municipal drainage pipe inner wall tightly laminate, can carry out the leak hunting processing to the municipal drainage pipe between gasbag 3 and the gasbag 3, through glue zonulae occludens between inner chamber 15 and the gasbag 3, avoid having the gap between fixed plate 9 and the gasbag 3, make the air current in the inner chamber 15 of fixed plate 9 fully flow in the gasbag 3, avoid the air current in the inner chamber 15 to flow out from the gap between fixed plate 9 and the gasbag 3, influence the precision of leak hunting result.
Preferably, the fixing plates 9 are connected with the fixing plates 9 through connecting pipes 16, two ends of each connecting pipe 16 are respectively connected with the inner cavity 15, the air delivery pipe II 7 blows air into the inner cavity 15 on one fixing plate 9, the air in the inner cavity 15 flows into the inner cavity 15 on the other fixing plate 9 through the connecting pipe 16, so that the air flow props up the air bags 3 on the fixing plates 9, the two air bags 3 propped up by the air flow are tightly attached to the inner wall of the municipal drainage pipe, the sealing performance between the inner wall of the municipal drainage pipe and the air bags 3 is improved, and the leakage detection efficiency between the air bags 3 and the municipal drainage pipe between the air bags 3 and the accuracy of the leakage detection result are improved.
Preferably, loading board 8 on be provided with connecting plate 18, be convenient for the staff through connecting plate 18 and rotate the leak hunting device, make light 5, camera 4 on the barrel 1 throw light on, shoot municipal administration pipeline inner wall different positions, the leak hunting device of being convenient for carries out comprehensive leak hunting to the municipal administration drain pipe and handles, has improved the leak hunting efficiency of municipal administration drain pipe and the precision of leak hunting result.
Preferably, 3 surface on be provided with sealing strip 19 of gasbag to set up sealing strip 19 as polymer rubber material, gasbag 3 and municipal drainage pipe inner wall after being strutted by the air current closely laminate, sealing strip 19 has further improved the leakproofness between gasbag 3 and the municipal drainage pipe, avoids exhaust pipe 11 combustion gas to flow out from between municipal drainage pipe and the gasbag 3, has further improved the precision of leak hunting result.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (5)
1. The utility model provides a leak hunting equipment of municipal administration drain pipe, includes barrel, walking wheel, gasbag, camera, light, defeated tuber pipe one and defeated tuber pipe two, its characterized in that: the barrel both ends all be provided with the loading board, be provided with the fixed plate on the barrel, be provided with lamp stand, exhaust pipe on the barrel outer wall to edge at the loading board is provided with the fixed slot, the walking wheel place in the fixed slot, be provided with the connecting axle on the walking wheel to be connected the connecting axle with the loading board, the gasbag setting on the edge of fixed plate, the camera install on the barrel, the light setting on the lamp stand, defeated tuber pipe first pass in the barrel after the loading board, defeated tuber pipe second pass and be connected with the fixed plate behind the loading board.
2. Leak detection apparatus for municipal drain according to claim 1, characterised in that: and pressure gauges are arranged on the first air delivery pipe and the second air delivery pipe.
3. Leak detection apparatus for municipal drain according to claim 1, characterised in that: the bearing plate is provided with a pull ring.
4. Leak detection apparatus for municipal drain according to claim 1, characterised in that: an inner cavity is arranged in the fixing plate and is connected with the air bag and the air delivery pipe II.
5. Leak detection apparatus for municipal drain according to claim 1 or 4, characterized in that: the fixing plate is connected with the fixing plate through a connecting pipe, and two ends of the connecting pipe are respectively connected with the inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921216956.XU CN210243113U (en) | 2019-07-31 | 2019-07-31 | Leak detection equipment for municipal drainage pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921216956.XU CN210243113U (en) | 2019-07-31 | 2019-07-31 | Leak detection equipment for municipal drainage pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243113U true CN210243113U (en) | 2020-04-03 |
Family
ID=69993437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921216956.XU Expired - Fee Related CN210243113U (en) | 2019-07-31 | 2019-07-31 | Leak detection equipment for municipal drainage pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210243113U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295347A (en) * | 2021-06-03 | 2021-08-24 | 中建二局土木工程集团有限公司 | Municipal administration road water supply and drainage pipeline antiseep detection device |
| CN113775941A (en) * | 2021-08-28 | 2021-12-10 | 周攀 | Municipal administration drain pipe leak hunting is with rail mounted intelligence inspection device |
| CN114060648A (en) * | 2021-10-28 | 2022-02-18 | 中泸有限公司 | Municipal administration sewage pipeline overhauls equipment fast |
| CN114321561A (en) * | 2022-01-16 | 2022-04-12 | 江苏省特种设备安全监督检验研究院 | Intelligent traction device for pipeline detection |
| CN116928605A (en) * | 2023-09-13 | 2023-10-24 | 鑫瑞特检测技术(无锡)有限公司 | Underground pipeline leakage detection device |
-
2019
- 2019-07-31 CN CN201921216956.XU patent/CN210243113U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295347A (en) * | 2021-06-03 | 2021-08-24 | 中建二局土木工程集团有限公司 | Municipal administration road water supply and drainage pipeline antiseep detection device |
| CN113295347B (en) * | 2021-06-03 | 2022-02-15 | 中建二局土木工程集团有限公司 | Municipal administration road water supply and drainage pipeline antiseep detection device |
| CN113775941A (en) * | 2021-08-28 | 2021-12-10 | 周攀 | Municipal administration drain pipe leak hunting is with rail mounted intelligence inspection device |
| CN114060648A (en) * | 2021-10-28 | 2022-02-18 | 中泸有限公司 | Municipal administration sewage pipeline overhauls equipment fast |
| CN114321561A (en) * | 2022-01-16 | 2022-04-12 | 江苏省特种设备安全监督检验研究院 | Intelligent traction device for pipeline detection |
| CN116928605A (en) * | 2023-09-13 | 2023-10-24 | 鑫瑞特检测技术(无锡)有限公司 | Underground pipeline leakage detection device |
| CN116928605B (en) * | 2023-09-13 | 2023-11-17 | 鑫瑞特检测技术(无锡)有限公司 | Underground pipeline leakage detection device |
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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: 20200409 Address after: 330000 office building 2, building a, Wangjiang Jingcheng, No. 23, Wuzhou Avenue, Zhanggong District, Nanchang City, Jiangxi Province Patentee after: Hengzhou Construction Group Co.,Ltd. Address before: 511431 Daxin Commercial Plaza, 105 National Road, Panyu District Luopu street, Guangzhou, Guangdong 623, 624, 625 Patentee before: GUANGZHOU YITAN UNDERGROUND PIPELINE INSPECTION TECHNOLOGY SERVICE 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: 20200403 |