CN113049673A - Signal transmitter for detecting, tracking and positioning in pipeline - Google Patents
Signal transmitter for detecting, tracking and positioning in pipeline Download PDFInfo
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- CN113049673A CN113049673A CN202011465731.5A CN202011465731A CN113049673A CN 113049673 A CN113049673 A CN 113049673A CN 202011465731 A CN202011465731 A CN 202011465731A CN 113049673 A CN113049673 A CN 113049673A
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- signal transmitter
- protective cover
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- detecting
- pipeline
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- 230000001681 protective effect Effects 0.000 claims abstract description 39
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 239000010865 sewage Substances 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A signal transmitter for detecting, tracking and positioning in a pipeline relates to the field of gasoline pipeline maintenance and comprises a signal transmitter main body and a protective cover, wherein the signal transmitter main body is arranged in the protective cover and also comprises an installation assembly and a buffer assembly; the two groups of mounting assemblies are respectively arranged on the left side and the right side of the protective cover; the buffer assembly is arranged at the top end of the protective cover. By arranging the mounting assembly, the invention has the advantages that on one hand, the mounting and dismounting operations are convenient, the daily maintenance and overhaul of the signal transmitter main body are convenient, on the other hand, the proper mounting point and mounting angle are convenient to select according to the size and the shape of the pipeline, and the use is flexible; set up buffering subassembly, elasticity water conservancy diversion top carries out the water conservancy diversion to the sewage in the pipeline, and it is attached to reduce sewage, cooperates first elastic component simultaneously, cushions the exogenic action, protection signal transmitter main part.
Description
Technical Field
The invention relates to the field of gasoline pipeline maintenance, in particular to a signal transmitter for detecting, tracking and positioning in a pipeline.
Background
In the process of cleaning pipes or detecting corrosion deformation of petroleum and natural gas pipelines at home and abroad, a signal transmitter carried by a pipe cleaner or a detector runs in the pipelines and constantly and regularly sends out low-frequency electromagnetic signals, the signals pass through the pipe wall and a covering soil layer and are transmitted out, the transmitted electromagnetic signals are received by a receiver probe, and the receiver sends out signal indication after processing. Through the signal transmission between the transmitter and the receiver, the running state of the pipeline cleaner in the pipeline can be timely mastered, and when the pipeline cleaner is blocked, the position of the pipeline cleaner in the pipeline can be accurately determined. Signal transmitter is the indispensable equipment of intelligent pipeline clearance and detection, and it is troublesome to install, dismantle between current signal transmitter and the pig, leads to the inconvenience of routine maintenance, and signal transmitter's installation is rigid in addition, can not be according to pipeline size, shape, selects suitable mounted position, and it is big to cause the limitation of use, and signal transmitter is inside along with the pig synchronous motion at the pipeline in addition, receives the exogenic action easily, causes the damage, influences the transmission of signal.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a signal transmitter for detecting, tracking and positioning in a pipeline. By arranging the mounting assembly, the invention has the advantages that on one hand, the mounting and dismounting operations are convenient, the daily maintenance and overhaul of the signal transmitter main body are convenient, on the other hand, the proper mounting point and mounting angle are convenient to select according to the size and the shape of the pipeline, and the use is flexible; set up buffering subassembly, elasticity water conservancy diversion top carries out the water conservancy diversion to the sewage in the pipeline, and it is attached to reduce sewage, cooperates first elastic component simultaneously, cushions the exogenic action, protection signal transmitter main part.
(II) technical scheme
In order to solve the problems, the invention provides a signal transmitter for detecting, tracking and positioning in a pipeline, which comprises a signal transmitter main body, a protective cover, a mounting assembly and a buffer assembly, wherein the signal transmitter main body is arranged in the protective cover; the two groups of mounting assemblies are respectively arranged on the left side and the right side of the protective cover; the buffer assembly is arranged at the top end of the protective cover; the mounting assembly comprises a limiting sleeve, a telescopic frame, a telescopic sleeve, a clamping piece and a clamping rod; the limiting sleeve is arranged on the outer wall of the protective cover in a sliding and rotating mode, and a sleeve opening faces downwards; the telescopic frame is provided with a vertical section and a horizontal section; the upper ends of the vertical sections are provided with clamping holes in parallel and extend into the limiting sleeve; the limiting sleeve is provided with a through hole; the clamping rod fixed by the telescopic frame is matched with the communicated clamping hole and the through hole; the horizontal section is rotatably arranged on one side of the lower end of the vertical section, and an external thread is arranged on the horizontal section; the telescopic sleeve is provided with internal threads, one end of the telescopic sleeve is in threaded connection with one end of the horizontal section, which is far away from the vertical section, and the other end of the telescopic sleeve is connected with the clamping piece; the buffer assembly comprises an elastic flow guide top and a first elastic piece; the elastic flow guide top is arc-shaped, and the convex surface of the elastic flow guide top is upwards arranged at the top end of the protective cover; the first elastic piece is arranged between the elastic flow guide top and the protective cover.
Preferably, the protective cover is provided with a sliding chute with an outward opening; the mounting assembly further comprises a sliding block and a first guide rod; the first guide rod is arranged inside the sliding groove; the sliding block is connected with the first guide rod in a sliding manner; one side of the limiting sleeve close to the protective cover is rotatably connected with the sliding block.
Preferably, a second elastic piece is arranged inside the sliding groove; the second elastic piece is positioned at the upper end and the lower end of the sliding block and is sleeved on the periphery of the first guide rod.
Preferably, the mounting assembly further comprises a handle and a second elastic member; one end of the clamping rod extending into the through hole extends to the outside of the protective cover and is connected with the handle; the second elastic piece is sleeved on the periphery of the clamping rod, one end of the second elastic piece is connected with the handle, and the other end of the second elastic piece is connected with the hole wall of the through hole.
Preferably, the mounting assembly further comprises a rotating shaft and a knob; the knob is rotatably arranged on the telescopic frame; the knob is connected to the one end of pivot, and the other end stretches into the expansion bracket, and is connected with the one end of horizontal segment.
Preferably, the clamping member is a suction cup.
Preferably, the telescopic frame is of an L-shaped structure.
Preferably, a second guide rod is arranged above the horizontal section in parallel; one end of the second guide rod is connected with the telescopic frame, and the other end of the second guide rod extends into the telescopic sleeve and is connected with the telescopic sleeve in a sliding mode.
Preferably, a cushion pad is provided on a contact end of the protective cover with the signal transmitter main body.
The technical scheme of the invention has the following beneficial technical effects:
by arranging the mounting assembly, on one hand, the mounting and dismounting operation is convenient, the daily maintenance and overhaul of the signal transmitter main body are convenient, on the other hand, the proper mounting point and mounting angle are convenient to select according to the size and the shape of the pipeline, and the use is flexible;
the buffer assembly and the elastic flow guide top are arranged to guide sewage in the pipeline, so that sewage adhesion is reduced, and the buffer assembly is matched with the first elastic piece to buffer the action of external force to protect the signal transmitter main body;
the sliding block is matched with the limiting sleeve, so that the mounting angle adjusting range of the signal transmitter main body is enlarged, the mounting flexibility is further increased, and meanwhile, when an external force acts, the second elastic piece resists the signal transmitter main body, and the external force action is further buffered;
the handle is matched with the second elastic piece, so that the clamping rod is prevented from being separated from the limiting sleeve, the position of the telescopic frame can be conveniently adjusted at any time, and the use convenience of the device is improved.
Drawings
Fig. 1 is a schematic structural diagram of a signal transmitter for detecting, tracking and positioning in a pipeline according to the present invention.
Fig. 2 is a sectional view of a mounting assembly in a signal transmitter for detecting tracking location in a pipeline according to the present invention.
Fig. 3 is a cross-sectional view at a of a signal transmitter for detecting tracking location in a pipeline according to the present invention.
The attached drawings are marked as follows: 1. a signal transmitter main body; 2. a protective cover; 3. mounting the component; 4. a buffer assembly; 5. a limiting sleeve; 6. a telescopic frame; 7. a horizontal segment; 8. a rotating shaft; 9. a telescopic sleeve; 10. a clamping member; 11. a second guide bar; 12. a clamping hole; 13. a clamping rod; 14. a handle; 15. a second elastic member; 16. a through hole; 17. a knob; 18. a slider; 19. a first guide bar; 20. a chute; 21. a cushion pad; 22. a first elastic member; 23. an elastic flow guide top.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1
As shown in fig. 1-2, the signal transmitter for detecting, tracking and positioning in a pipeline according to the present invention includes a signal transmitter main body 1, a protective cover 2, wherein the signal transmitter main body 1 is disposed in the protective cover 2, and further includes a mounting assembly 3 and a buffer assembly 4; the two groups of mounting assemblies 3 are arranged, and the two groups of mounting assemblies 3 are respectively arranged on the left side and the right side of the protective cover 2; the buffer assembly 4 is arranged at the top end of the protective cover 2; the mounting assembly 3 comprises a limiting sleeve 5, an expansion bracket 6, an expansion sleeve 9, a clamping piece 10 and a clamping rod 13; the limiting sleeve 5 is arranged on the outer wall of the protective cover 2 in a sliding and rotating mode, and the sleeve opening faces downwards; the telescopic frame 6 is provided with a vertical section and a horizontal section 7; the upper ends of the vertical sections are provided with clamping holes 12 in parallel and extend into the limiting sleeve 5; the limiting sleeve 5 is provided with a through hole 16; a clamping rod 13 fixed on the telescopic frame 6 is matched with the communicated clamping hole 12 and the through hole 16; the horizontal section 7 is rotatably arranged on one side of the lower end of the vertical section, and an external thread is arranged on the horizontal section 7; the telescopic sleeve 9 is provided with internal threads, one end of the telescopic sleeve is in threaded connection with one end of the horizontal section 7 far away from the vertical section, and the other end of the telescopic sleeve is connected with the clamping piece 10; the buffering assembly 4 comprises an elastic flow guide top 23 and a first elastic piece 22; the elastic flow guide top 23 is arc-shaped, and the convex surface of the elastic flow guide top is upwards arranged at the top end of the protective cover 2; the first elastic member 22 is disposed between the elastic deflector ceiling 23 and the protective cover 2.
In an alternative embodiment, the mounting assembly 3 further comprises a spindle 8 and a knob 17; the knob 17 is rotatably arranged on the telescopic frame 6; one end of the rotating shaft 8 is connected with a knob 17, and the other end of the rotating shaft extends into the telescopic frame 6 and is connected with one end of the horizontal section 7.
In an alternative embodiment, the clamp 10 is a suction cup.
In an alternative embodiment, the telescopic frame 6 is of L-shaped configuration.
In an alternative embodiment, a second guide rod 11 is arranged above the horizontal section 7 in parallel; one end of the second guide rod 11 is connected with the telescopic frame 6, and the other end thereof extends into the telescopic sleeve 9 and is connected with the telescopic sleeve in a sliding way.
In an alternative embodiment, a cushion 21 is provided on the contact end of the protective cover 2 with the signal transmitter body 1.
Before the operation of a pipe cleaner, the signal transmitter main body 1 is placed in the protective cover 2, then the clamping rod 13 is pulled out, the telescopic frame 6 is made to move, the telescopic frame 6 is moved until the height of the clamping piece 10 is proper, then the clamping rod 13 is matched with the clamping hole 12 and the through hole 16, the height of the clamping piece 10 is fixed, then the horizontal section 7 is rotated, the clamping piece 10 is made to horizontally move and close to the outer wall of the pipe cleaner until the clamping piece is clamped and fixed outside the pipe cleaner, when the signal transmitter main body 1 needs to be taken down for maintenance and overhaul, the clamping piece 10 is loosened, on one hand, the installation and disassembly operation are convenient, the daily maintenance and overhaul of the signal transmitter main body 1 are convenient, on the other hand, the proper installation point and installation angle are convenient to select according to the size and the shape of a; in addition, the elastic flow guide top 23 in the buffering assembly 4 guides the flow of sewage in the pipeline, reduces the adhesion of sewage, and simultaneously, the elastic flow guide top is matched with the first elastic piece 22 to buffer the action of external force and protect the signal transmitter main body 1.
Example 2
On the basis of the embodiment, a sliding groove 20 with an outward opening is arranged on a protective cover 2; the mounting assembly 3 further comprises a slider 18 and a first guide bar 19; the first guide rod 19 is arranged inside the chute 20; the slide block 18 is connected with a first guide rod 19 in a sliding way; the side of the stop collar 5 close to the protective cover 2 is rotatably connected with a slide block 18.
In an alternative embodiment, a second elastic member is provided inside the chute 20; the second elastic element is located at the upper and lower ends of the sliding block 18 and is sleeved on the periphery of the first guide rod 19.
The sliding block 18 is matched with the limiting sleeve 5, so that the mounting angle adjusting range of the signal transmitter main body 1 is enlarged, the mounting flexibility is further increased, and meanwhile, when external force acts, the second elastic piece resists the external force, and the external force action is further buffered.
Example 3
On the basis of the above embodiment, the mounting assembly 3 further comprises a handle 14 and a second elastic member 15; one end of the clamping rod 13 extending into the through hole 16 extends to the outside of the protective cover 2 and is connected with the handle 14; the second elastic element 15 is sleeved on the periphery of the clamping rod 13, and one end of the second elastic element is connected with the handle 14, and the other end of the second elastic element is connected with the hole wall of the through hole 16.
The handle 14 is matched with the second elastic piece 15, so that the clamping rod 13 is prevented from being separated from the limiting sleeve 5, the position of the telescopic frame 6 is convenient to adjust at any time, and the use convenience of the device is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. A signal transmitter for detecting, tracking and positioning in a pipeline comprises a signal transmitter main body (1) and a protective cover (2), wherein the signal transmitter main body (1) is arranged in the protective cover (2), and is characterized by further comprising a mounting assembly (3) and a buffer assembly (4); the two groups of mounting assemblies (3) are arranged, and the two groups of mounting assemblies (3) are respectively arranged on the left side and the right side of the protective cover (2); the buffer component (4) is arranged at the top end of the protective cover (2);
the mounting assembly (3) comprises a limiting sleeve (5), an expansion bracket (6), an expansion sleeve (9), a clamping piece (10) and a clamping rod (13); the limiting sleeve (5) is arranged on the outer wall of the protective cover (2) in a sliding and rotating way, and the sleeve opening is downward; the telescopic frame (6) is provided with a vertical section and a horizontal section (7); the upper ends of the vertical sections are provided with clamping holes (12) in parallel and extend into the limiting sleeve (5); a through hole (16) is arranged on the limiting sleeve (5); a clamping rod (13) fixed by the telescopic frame (6) is matched with the communicated clamping hole (12) and the through hole (16); the horizontal section (7) is rotatably arranged on one side of the lower end of the vertical section, and an external thread is arranged on the horizontal section (7); the telescopic sleeve (9) is provided with internal threads, one end of the telescopic sleeve is in threaded connection with one end of the horizontal section (7) far away from the vertical section, and the other end of the telescopic sleeve is connected with the clamping piece (10);
the buffer component (4) comprises an elastic flow guide top (23) and a first elastic piece (22); the elastic flow guide top (23) is arc-shaped, and the convex surface of the elastic flow guide top is upwards arranged at the top end of the protective cover (2); the first elastic element (22) is arranged between the elastic flow guiding top (23) and the protective cover (2).
2. The signal transmitter for detecting, tracking and positioning in a pipeline according to claim 1, wherein the protective cover (2) is provided with a chute (20) with an outward opening; the mounting assembly (3) further comprises a slide block (18) and a first guide rod (19); the first guide rod (19) is arranged inside the sliding chute (20); the sliding block (18) is connected with a first guide rod (19) in a sliding manner; one side of the limiting sleeve (5) close to the protective cover (2) is rotatably connected with a sliding block (18).
3. The signal transmitter for detecting, tracking and positioning in a pipeline according to claim 2, wherein a second elastic member is arranged inside the chute (20); the second elastic piece is positioned at the upper end and the lower end of the sliding block (18) and sleeved on the periphery of the first guide rod (19).
4. The transmitter for detecting tracking locations in pipes according to claim 1, characterized in that the mounting assembly (3) further comprises a handle (14) and a second elastic member (15); one end of the clamping rod (13) extending into the through hole (16) extends to the outside of the protective cover (2) and is connected with the handle (14); the second elastic piece (15) is sleeved on the periphery of the clamping rod (13), one end of the second elastic piece is connected with the handle (14), and the other end of the second elastic piece is connected with the hole wall of the through hole (16).
5. The transmitter for detecting tracking and positioning signals inside a pipeline according to claim 1, characterized in that the mounting assembly (3) further comprises a rotating shaft (8) and a knob (17); the knob (17) is rotatably arranged on the telescopic frame (6); one end of the rotating shaft (8) is connected with the knob (17), and the other end of the rotating shaft extends into the telescopic frame (6) and is connected with one end of the horizontal section (7).
6. The transmitter for detecting tracking and positioning signals inside a pipe according to claim 1, wherein the clamping member (10) is a suction cup.
7. The signal transmitter for detecting, tracking and positioning in a pipeline according to claim 1, wherein the telescopic frame (6) is of an L-shaped structure.
8. The signal transmitter for detecting, tracking and positioning in the pipeline according to claim 1, wherein a second guide rod (11) is arranged above the horizontal section (7) in parallel; one end of the second guide rod (11) is connected with the telescopic frame (6), and the other end of the second guide rod extends into the telescopic sleeve (9) and is connected with the telescopic sleeve in a sliding manner.
9. The in-pipe detection tracking and positioning signal transmitter of claim 1, wherein a cushion pad (21) is provided on the contact end of the protective cover (2) and the signal transmitter body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465731.5A CN113049673A (en) | 2020-12-14 | 2020-12-14 | Signal transmitter for detecting, tracking and positioning in pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465731.5A CN113049673A (en) | 2020-12-14 | 2020-12-14 | Signal transmitter for detecting, tracking and positioning in pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113049673A true CN113049673A (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011465731.5A Pending CN113049673A (en) | 2020-12-14 | 2020-12-14 | Signal transmitter for detecting, tracking and positioning in pipeline |
Country Status (1)
| Country | Link |
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| CN (1) | CN113049673A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202018515U (en) * | 2011-03-10 | 2011-10-26 | 中国石油天然气集团公司 | Novel pipeline-cleaner tracking and positioning instrument |
| CN203578315U (en) * | 2013-10-29 | 2014-05-07 | 中国海洋石油总公司 | Spraying desilting pipeline cleaner |
| CN205166433U (en) * | 2015-12-14 | 2016-04-20 | 新乡职业技术学院 | Digit control machine tool auxiliary machinery anchor clamps |
| CN206338558U (en) * | 2017-01-05 | 2017-07-18 | 江西工程学院 | Electrical communication signals launch bracket fixing device |
| CN108828175A (en) * | 2018-08-01 | 2018-11-16 | 芜湖绿琼农业科技有限公司 | A kind of sewage detection equipment |
| CN208555376U (en) * | 2018-04-25 | 2019-03-01 | 天津惠博普管道技术有限公司 | A kind of positioning and tracking device for pipe cleaner |
| CN209311230U (en) * | 2018-12-19 | 2019-08-27 | 北京科技大学 | A kind of active and passive real-time sonic test approved sample device of rock failure mechanism of rock process |
| CN210328269U (en) * | 2019-07-05 | 2020-04-14 | 辽宁瑞华实业集团智能装备有限公司 | Waterproof window and signal transmitting device |
| CN210894319U (en) * | 2019-08-27 | 2020-06-30 | 天津市北方勘察设计院有限公司 | Automatic water quality testing appearance of early warning |
| CN210920971U (en) * | 2019-10-11 | 2020-07-03 | 贺飞 | Corrosion detection device in oil and gas pipeline |
| CN111473838A (en) * | 2020-05-13 | 2020-07-31 | 北京市万智生科技有限公司 | Floating water level meter for measuring water storage level of closed or semi-closed water pool |
| CN211740946U (en) * | 2020-03-04 | 2020-10-23 | 中车长春轨道客车股份有限公司 | Track traffic automobile body welded structure fatigue test anchor clamps |
| CN211760039U (en) * | 2019-12-30 | 2020-10-27 | 大冶市吉兴机械有限公司 | Plane milling machine with side presss from both sides function |
-
2020
- 2020-12-14 CN CN202011465731.5A patent/CN113049673A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202018515U (en) * | 2011-03-10 | 2011-10-26 | 中国石油天然气集团公司 | Novel pipeline-cleaner tracking and positioning instrument |
| CN203578315U (en) * | 2013-10-29 | 2014-05-07 | 中国海洋石油总公司 | Spraying desilting pipeline cleaner |
| CN205166433U (en) * | 2015-12-14 | 2016-04-20 | 新乡职业技术学院 | Digit control machine tool auxiliary machinery anchor clamps |
| CN206338558U (en) * | 2017-01-05 | 2017-07-18 | 江西工程学院 | Electrical communication signals launch bracket fixing device |
| CN208555376U (en) * | 2018-04-25 | 2019-03-01 | 天津惠博普管道技术有限公司 | A kind of positioning and tracking device for pipe cleaner |
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| CN209311230U (en) * | 2018-12-19 | 2019-08-27 | 北京科技大学 | A kind of active and passive real-time sonic test approved sample device of rock failure mechanism of rock process |
| CN210328269U (en) * | 2019-07-05 | 2020-04-14 | 辽宁瑞华实业集团智能装备有限公司 | Waterproof window and signal transmitting device |
| CN210894319U (en) * | 2019-08-27 | 2020-06-30 | 天津市北方勘察设计院有限公司 | Automatic water quality testing appearance of early warning |
| CN210920971U (en) * | 2019-10-11 | 2020-07-03 | 贺飞 | Corrosion detection device in oil and gas pipeline |
| CN211760039U (en) * | 2019-12-30 | 2020-10-27 | 大冶市吉兴机械有限公司 | Plane milling machine with side presss from both sides function |
| CN211740946U (en) * | 2020-03-04 | 2020-10-23 | 中车长春轨道客车股份有限公司 | Track traffic automobile body welded structure fatigue test anchor clamps |
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