CN113072017A - Auxiliary device for underground pipeline detection and using method thereof - Google Patents
Auxiliary device for underground pipeline detection and using method thereof Download PDFInfo
- Publication number
- CN113072017A CN113072017A CN202110303781.1A CN202110303781A CN113072017A CN 113072017 A CN113072017 A CN 113072017A CN 202110303781 A CN202110303781 A CN 202110303781A CN 113072017 A CN113072017 A CN 113072017A
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- China
- Prior art keywords
- underground pipeline
- box
- bottom plate
- motor
- auxiliary device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
- B66F19/005—Lifting devices for manhole covers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses an auxiliary device for underground pipeline detection and a using method thereof, and the auxiliary device comprises a movable chassis device, wherein a box body device for containing tools is arranged on the chassis device, an electric control device for providing electric power and controlling is arranged at one side of the box body device, a hoisting device for hoisting a well lid is arranged below the electric control device, and a clamping device for fixing an underground pipeline detector is arranged at one side of the hoisting device. The electric lifting device is arranged, and the manhole cover is mechanically opened and closed for operation, so that time and labor are saved; through the arrangement of electric movement, the well cover is mechanically moved for operation, so that the labor intensity of workers is reduced; through the mechanical and electric control auxiliary arrangement, the speed of auxiliary operation is increased, and the underground pipeline detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of underground pipeline detection, in particular to an auxiliary device for underground pipeline detection and a using method thereof.
Background
The underground pipeline detector can quickly and accurately detect the position, the trend and the depth of underground tap water pipelines, metal pipelines, cables and the like and the position and the size of a damaged point of an anticorrosive coating of a steel pipeline under the condition of not damaging ground covering soil. The device is one of the necessary instruments for transforming, maintaining and generally surveying underground pipelines of tap water companies, gas companies, railway communication, industrial and mining and capital construction units.
However, in the prior art, underground pipeline detection requires manual work to open the well lid for operation, resulting in: 1. the electric hoisting is not arranged, the well cover can not be mechanically opened and closed for operation, and time and labor are wasted; 2. the electric movement is not arranged, the well cover cannot be mechanically moved for operation, and the labor intensity of workers is increased; 3. and mechanical and electric control auxiliary setting is not adopted, so that the auxiliary operation time is long, the speed is low, and the underground pipeline detection efficiency is reduced.
Disclosure of Invention
The present invention is directed to solving the above problems and providing an auxiliary device for underground pipeline exploration and a method for using the same.
The invention realizes the purpose through the following technical scheme:
an auxiliary device for underground pipeline detection comprises a movable chassis device, wherein a box body device for containing tools is arranged on the chassis device, an electric control device for providing electric power and controlling is arranged on one side of the box body device, a hoisting device for hoisting a well lid is arranged below the electric control device, and a clamping device for fixing an underground pipeline detection instrument is arranged on one side of the hoisting device; the chassis device comprises a bottom plate, four first motors are uniformly distributed at four corners of the bottom plate, rollers are mounted on the outer sides of the first motors, two through holes are symmetrically formed in the middle of the bottom plate, a plurality of anti-skidding convex lines are uniformly distributed at one end of the upper surface of the bottom plate, a fixing frame is arranged on one side of each anti-skidding convex line, and a push rod is mounted on the fixing frame; the box body device comprises a tool box, a box cover door is arranged on one side of the tool box, and a handle is arranged on the box cover door; the electric control device comprises a battery box, a storage battery is arranged in the battery box, two support plates are symmetrically arranged at the bottom of the battery box, a charging port is formed in one side of the battery box, a box cover plate is arranged at the top of the battery box, a control box is arranged on the box cover plate, a direction key and a lifting key are arranged at the top of the control box, and a limit edge is arranged at one side of the control box; hoisting accessory is including two second motors that the symmetry set up, the reel is installed to second motor one side, install the cable wire above the reel, bind below the cable wire and have played the lifting hook.
Preferably: the clamping device comprises a first support, and two locking nails are symmetrically arranged at the bottom of the first support.
According to the arrangement, the locking nail is screwed, and the underground pipeline detecting instrument is clamped in the middle of the first support.
Preferably: the clamping device comprises a second support, two limiting hooks are symmetrically arranged at the top of the second support, and two rubber bands are symmetrically arranged at the bottom of the second support.
According to the arrangement, the underground pipeline detecting instrument is fixedly clamped by hooking the limiting hook through the rubber band.
Preferably: the bottom plate and the fixing frame are made of Q235 steel materials, and the fixing frame and the bottom plate are welded together.
So set up, guaranteed the bottom plate with the intensity of mount, the welding has guaranteed the mount is firm reliable.
Preferably: the first motor is connected with the bottom plate through bolts, the second motor is connected with the supporting plate through bolts, and the battery box is respectively connected with the fixing frame and the tool box through bolts.
So set up, be convenient for the dismouting first motor the second motor with the battery box is maintained.
Preferably: the box cover door is connected with the tool box through a hinge, and the tool box is connected with the bottom plate through bolts.
According to the arrangement, the box cover door is convenient to open and close through the hinged connection, and the tool box is convenient to disassemble, assemble and replace through the bolted connection.
Preferably: the roller is connected with the first motor flat key, and the reel is connected with the second motor flat key.
So set up, guaranteed first motor drive the gyro wheel is rotatory, the second motor drive the reel is rotatory.
Preferably: the first support and the fixing frame are welded together, and the locking nail is in threaded connection with the first support.
So set up, the welding has guaranteed first support is firm, and threaded connection has guaranteed the auto-lock of check pin.
Preferably: the second support is riveted with the fixing frame, and the limiting hook and the rubber band are respectively connected with the second support through bolts.
So set up, the riveting has guaranteed the second support is firm reliable, bolted connection be convenient for the dismouting change spacing hook with the rubber band.
The invention also provides a using method of the auxiliary device for underground pipeline detection, which comprises the following steps:
a. firstly, opening the box cover door, taking out the underground pipeline detector from the tool box, and inserting the underground pipeline detector into the clamping device for fixing;
b. then the manhole cover stands on the bottom plate, the direction key is pressed, the storage battery supplies power to the first motor, and the first motor drives the roller to rotate to drive the bottom plate to move above the manhole cover;
c. then the lifting key is pressed, the storage battery supplies power to the second motor, and the second motor drives the reel to rotate to drive the steel cable to lift the well lid through the lifting hook;
d. and finally, the first motor drives the idler wheel to rotate so that the bottom plate drives the well lid to move away together, the underground pipeline detector is convenient to use for detection, and after the detection is finished, the well lid is reset through reverse operation.
Compared with the prior art, the invention has the following beneficial effects:
1. through the arrangement of the electric hoisting, the manhole cover is mechanically opened and closed for operation, so that time and labor are saved;
2. through the arrangement of electric movement, the well cover is mechanically moved for operation, so that the labor intensity of workers is reduced;
3. through the mechanical and electric control auxiliary arrangement, the speed of auxiliary operation is increased, and the underground pipeline detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an auxiliary apparatus for underground pipeline exploration according to the present invention;
FIG. 2 is a schematic view of a chassis assembly of an auxiliary apparatus for underground pipeline exploration according to the present invention;
FIG. 3 is a schematic view of a housing assembly of an auxiliary apparatus for underground pipeline exploration according to the present invention;
FIG. 4 is a top isometric view of an electrically controlled device of the present invention for use with an auxiliary device for underground line exploration;
FIG. 5 is a bottom isometric view of an electrical control device of an auxiliary device for underground line exploration according to the present invention;
FIG. 6 is a schematic view of a lifting device of the auxiliary device for underground pipeline exploration according to the present invention;
FIG. 7 is a schematic view of an example 1 clamping device of an auxiliary device for underground pipeline exploration according to the present invention;
FIG. 8 is a schematic view of a clamping device of embodiment 2 of an auxiliary device for underground pipeline exploration according to the present invention.
The reference numerals are explained below:
1. a chassis device; 101. a base plate; 102. a roller; 103. a first motor; 104. a through hole; 105. anti-skid wales; 106. a fixed mount; 107. a push rod; 2. a case device; 201. a tool box; 202. a box cover door; 203. a handle; 3. an electric control device; 301. a battery box; 302. a support plate; 303. a box cover plate; 304. a control box; 305. a limiting edge; 306. a storage battery; 307. a direction key; 308. a lifting key; 309. a charging port; 4. a hoisting device; 401. a second motor; 402. a reel; 403. a steel cord; 404. lifting a lifting hook; 5. a clamping device; 501. a first bracket; 502. locking nails; 503. a second bracket; 504. a limiting hook; 505. a rubber band.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1 to 7, an auxiliary device for underground pipeline detection comprises a chassis device 1 for movement, a box device 2 for holding tools is arranged on the chassis device 1, an electric control device 3 for providing power and controlling is arranged on one side of the box device 2, a hoisting device 4 for hoisting a well lid is arranged below the electric control device 3, and a clamping device 5 for fixing an underground pipeline detector is arranged on one side of the hoisting device 4; the chassis device 1 comprises a bottom plate 101, four first motors 103 are uniformly distributed at four corners of the bottom plate 101, rollers 102 are mounted on the outer sides of the first motors 103, two through holes 104 are symmetrically formed in the middle of the bottom plate 101, a plurality of anti-skid convex patterns 105 are uniformly distributed at one end of the upper surface of the bottom plate 101, a fixing frame 106 is arranged on one side of each anti-skid convex pattern 105, and a push rod 107 is mounted on the fixing frame 106; the box body device 2 comprises a tool box 201, a box cover door 202 is arranged on one side of the tool box 201, and a handle 203 is arranged on the box cover door 202; the electric control device 3 comprises a battery box 301, a storage battery 306 is installed in the battery box 301, two support plates 302 are symmetrically arranged at the bottom of the battery box 301, a charging port 309 is arranged at one side of the battery box 301, a box cover plate 303 is installed at the top of the battery box 301, a control box 304 is arranged on the box cover plate 303, a direction key 307 and a lifting key 308 are installed at the top of the control box 304, and a limit edge 305 is arranged at one side of the control box 304; the hoisting device 4 comprises two second motors 401 which are symmetrically arranged, a reel 402 is arranged on one side of each second motor 401, a steel cable 403 is arranged on each reel 402, and a lifting hook 404 is bound below each steel cable 403.
Preferably: the clamping device 5 comprises a first support 501, two locking nails 502 are symmetrically arranged at the bottom of the first support 501, the locking nails 502 are screwed tightly, and the underground pipeline detector is clamped in the middle of the first support 501; the bottom plate 101 and the fixing frame 106 are made of Q235 steel materials, and the fixing frame 106 and the bottom plate 101 are welded together, so that the strength of the bottom plate 101 and the fixing frame 106 is ensured, and the fixing frame 106 is ensured to be stable and reliable by welding; the first motor 103 is connected with the bottom plate 101 through bolts, the second motor 401 is connected with the supporting plate 302 through bolts, and the battery box 301 is respectively connected with the fixing frame 106 and the tool box 201 through bolts, so that the first motor 103, the second motor 401 and the battery box 301 can be conveniently dismounted and mounted for maintenance; the tool box 201 is connected with the tool box 201 through a hinge, the tool box 201 is connected with the bottom plate 101 through bolts, the hinge connection facilitates opening and closing of the tool box 201, and the bolts facilitate disassembly, assembly and replacement of the tool box 201; the roller 102 is in flat key connection with the first motor 103, and the reel 402 is in flat key connection with the second motor 401, so that the first motor 103 drives the roller 102 to rotate, and the second motor 401 drives the reel 402 to rotate; the first support 501 and the fixing frame 106 are welded together, the locking nail 502 is in threaded connection with the first support 501, the welding ensures that the first support 501 is firm, and the threaded connection ensures that the locking nail 502 is self-locked.
Example 2
As shown in fig. 8, embodiment 2 differs from embodiment 1 in that: the clamping device 5 comprises a second support 503, two limiting hooks 504 are symmetrically arranged at the top of the second support 503, two rubber bands 505 are symmetrically arranged at the bottom of the second support 503, and the limiting hooks 504 are hooked by the rubber bands 505 to fixedly clamp the underground pipeline detector; the second bracket 503 is riveted with the fixing frame 106, the limit hook 504 and the rubber band 505 are respectively connected with the second bracket 503 through bolts, the riveting ensures that the second bracket 503 is stable and reliable, and the bolt connection facilitates the disassembly, assembly and replacement of the limit hook 504 and the rubber band 505.
The invention also provides a using method of the auxiliary device for underground pipeline detection, which comprises the following steps:
a. firstly, opening a box cover door 202, taking out the underground pipeline detector from the tool box 201, and inserting the underground pipeline detector into the clamping device 5 for fixing;
b. then standing on the bottom plate 101, pressing a direction key 307, supplying power to the first motor 103 by the storage battery 306, and driving the roller 102 to rotate by the first motor 103 to drive the bottom plate 101 to move to the position above the well lid;
c. then, the lifting key 308 is pressed, the storage battery 306 supplies power to the second motor 401, the second motor 401 drives the reel 402 to rotate to drive the steel rope 403 to lift the well lid through the lifting hook 404;
d. and finally, the first motor 103 drives the roller 102 to rotate, so that the bottom plate 101 drives the well lid to move away together, the underground pipeline detector is convenient to use for detection, and after the detection is finished, the well lid is reset through reverse operation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. An auxiliary device for underground pipeline exploration is characterized in that: the underground pipeline inspection device comprises a movable chassis device (1), wherein a box body device (2) for containing tools is arranged on the chassis device (1), an electric control device (3) for providing electric power and controlling is arranged on one side of the box body device (2), a lifting device (4) for lifting a well lid is arranged below the electric control device (3), and a clamping device (5) for fixing an underground pipeline inspection instrument is arranged on one side of the lifting device (4);
the chassis device (1) comprises a bottom plate (101), four first motors (103) are uniformly distributed at four corners of the bottom plate (101), rollers (102) are mounted on the outer sides of the first motors (103), two through holes (104) are symmetrically formed in the middle of the bottom plate (101), a plurality of anti-skid convex patterns (105) are uniformly distributed at one end of the upper surface of the bottom plate (101), a fixing frame (106) is arranged on one side of each anti-skid convex pattern (105), and a push rod (107) is mounted on the fixing frame (106);
the box body device (2) comprises a tool box (201), a box cover door (202) is installed on one side of the tool box (201), and a handle (203) is arranged on the box cover door (202);
the electric control device (3) comprises a battery box (301), a storage battery (306) is installed in the battery box (301), two support plates (302) are symmetrically arranged at the bottom of the battery box (301), a charging port (309) is arranged on one side of the battery box (301), a box cover plate (303) is installed at the top of the battery box (301), a control box (304) is arranged on the box cover plate (303), a direction key (307) and a lifting key (308) are installed at the top of the control box (304), and a limit edge (305) is arranged on one side of the control box (304);
hoisting accessory (4) are including two second motors (401) that the symmetry set up, reel (402) are installed to second motor (401) one side, install cable wire (403) above reel (402), binding lifting hook (404) below cable wire (403).
2. The auxiliary device for underground pipeline exploration according to claim 1, wherein: the clamping device (5) comprises a first support (501), and two locking nails (502) are symmetrically arranged at the bottom of the first support (501).
3. The auxiliary device for underground pipeline exploration according to claim 1, wherein: the clamping device (5) comprises a second support (503), two limiting hooks (504) are symmetrically arranged at the top of the second support (503), and two rubber bands (505) are symmetrically arranged at the bottom of the second support (503).
4. The auxiliary device for underground pipeline exploration according to claim 1, wherein: the bottom plate (101) and the fixing frame (106) are made of Q235 steel materials, and the fixing frame (106) and the bottom plate (101) are welded together.
5. The auxiliary device for underground pipeline exploration according to claim 1, wherein: the first motor (103) is connected with the bottom plate (101) through bolts, the second motor (401) is connected with the supporting plate (302) through bolts, and the battery box (301) is connected with the fixing frame (106) and the tool box (201) through bolts respectively.
6. The auxiliary device for underground pipeline exploration according to claim 1, wherein: the box cover door (202) is hinged with the tool box (201), and the tool box (201) is connected with the bottom plate (101) through bolts.
7. The auxiliary device for underground pipeline exploration according to claim 1, wherein: the roller (102) is in flat key connection with the first motor (103), and the reel (402) is in flat key connection with the second motor (401).
8. An auxiliary device for underground pipeline exploration, according to claim 2, wherein: the first bracket (501) and the fixing frame (106) are welded together, and the locking nail (502) is in threaded connection with the first bracket (501).
9. An auxiliary device for underground pipeline exploration, according to claim 3, wherein: the second bracket (503) is riveted with the fixing frame (106), and the limiting hook (504) and the rubber band (505) are respectively connected with the second bracket (503) through bolts.
10. The use method of the auxiliary device for underground pipeline exploration according to any one of claims 1-9, characterized in that the specific use method comprises the following steps:
a. firstly, opening the box cover door (202), taking out the underground pipeline detecting instrument from the tool box (201), and inserting the underground pipeline detecting instrument into the clamping device (5) for fixing;
b. then the manhole cover stands on the bottom plate (101), the direction key (307) is pressed, the storage battery (306) supplies power to the first motor (103), and the first motor (103) drives the roller (102) to rotate to drive the bottom plate (101) to move above the manhole cover;
c. then the lifting key (308) is pressed, the storage battery (306) supplies power to the second motor (401), and the second motor (401) drives the reel (402) to rotate to drive the steel cable (403) to lift the well lid through the lifting hook (404);
d. and finally, the first motor (103) drives the roller (102) to rotate so that the bottom plate (101) drives the well lid to move away together, the underground pipeline detector is convenient to use for detection, and after the detection is finished, the well lid is reset through reverse operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303781.1A CN113072017B (en) | 2021-03-22 | 2021-03-22 | Auxiliary device for underground pipeline detection and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303781.1A CN113072017B (en) | 2021-03-22 | 2021-03-22 | Auxiliary device for underground pipeline detection and using method thereof |
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| Publication Number | Publication Date |
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| CN113072017A true CN113072017A (en) | 2021-07-06 |
| CN113072017B CN113072017B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110303781.1A Active CN113072017B (en) | 2021-03-22 | 2021-03-22 | Auxiliary device for underground pipeline detection and using method thereof |
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| CN209858757U (en) * | 2019-05-31 | 2019-12-27 | 广州铭子通电子科技有限公司 | Underground pipeline detecting instrument transmitting device |
| CN210012533U (en) * | 2019-05-28 | 2020-02-04 | 广东电网有限责任公司 | Cable well lid elevating gear |
| CN210261024U (en) * | 2019-06-04 | 2020-04-07 | 詹美新 | Underground pipeline clearance auxiliary device |
| CN211078411U (en) * | 2019-10-29 | 2020-07-24 | 张瑜 | Pipeline surveys auxiliary assembly |
| CN211169552U (en) * | 2019-12-09 | 2020-08-04 | 云启勘测设计有限公司 | Pipeline surveys auxiliary assembly |
| CN211224732U (en) * | 2019-12-13 | 2020-08-11 | 南县生辉纺织有限公司 | Weaving line section of thick bamboo storage device with dustproof function |
| CN112062003A (en) * | 2020-09-15 | 2020-12-11 | 孙国花 | Municipal administration public facilities is maintained and is covered device with inspection shaft lid |
| CN212341486U (en) * | 2020-07-29 | 2021-01-12 | 天津市地质研究和海洋地质中心 | Portable underground pipeline detection device |
| CN212637528U (en) * | 2020-06-11 | 2021-03-02 | 重庆弘力建设工程有限公司 | Hand-held of municipal pipeline surveys and uses car structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155588A (en) * | 2015-09-17 | 2015-12-16 | 国家电网公司 | Cable manhole cover hoisting device |
| CN106149760A (en) * | 2016-08-16 | 2016-11-23 | 国家电网公司 | Cable well cover opening device |
| CN109534206A (en) * | 2018-11-08 | 2019-03-29 | 芜湖市越泽机器人科技有限公司 | A kind of computer communication engineering construction well lid extraction element |
| CN109490984A (en) * | 2018-11-14 | 2019-03-19 | 华北水利水电大学 | A kind of removably underground pipelines detection device |
| CN210012533U (en) * | 2019-05-28 | 2020-02-04 | 广东电网有限责任公司 | Cable well lid elevating gear |
| CN209858757U (en) * | 2019-05-31 | 2019-12-27 | 广州铭子通电子科技有限公司 | Underground pipeline detecting instrument transmitting device |
| CN210261024U (en) * | 2019-06-04 | 2020-04-07 | 詹美新 | Underground pipeline clearance auxiliary device |
| CN211078411U (en) * | 2019-10-29 | 2020-07-24 | 张瑜 | Pipeline surveys auxiliary assembly |
| CN211169552U (en) * | 2019-12-09 | 2020-08-04 | 云启勘测设计有限公司 | Pipeline surveys auxiliary assembly |
| CN211224732U (en) * | 2019-12-13 | 2020-08-11 | 南县生辉纺织有限公司 | Weaving line section of thick bamboo storage device with dustproof function |
| CN212637528U (en) * | 2020-06-11 | 2021-03-02 | 重庆弘力建设工程有限公司 | Hand-held of municipal pipeline surveys and uses car structure |
| CN212341486U (en) * | 2020-07-29 | 2021-01-12 | 天津市地质研究和海洋地质中心 | Portable underground pipeline detection device |
| CN112062003A (en) * | 2020-09-15 | 2020-12-11 | 孙国花 | Municipal administration public facilities is maintained and is covered device with inspection shaft lid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113072017B (en) | 2023-04-07 |
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