CN114738053B - Shield tunnel construction is with closing on pipeline safety pressure detection device - Google Patents
Shield tunnel construction is with closing on pipeline safety pressure detection device Download PDFInfo
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- CN114738053B CN114738053B CN202210450754.1A CN202210450754A CN114738053B CN 114738053 B CN114738053 B CN 114738053B CN 202210450754 A CN202210450754 A CN 202210450754A CN 114738053 B CN114738053 B CN 114738053B
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Measuring Fluid Pressure (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a safety pressure detection device for a near pipeline for shield tunnel construction, which relates to the technical field of pipeline pressure detection, and comprises a base, wherein an annular assembly is rotatably arranged on the base, a fastening piece is rotatably arranged on one side of the annular assembly, an adjusting piece is slidably arranged on the other side of the annular assembly, detection pieces distributed in an array manner are tightly and fixedly arranged on the annular assembly, the annular assembly comprises a first arc-shaped block and a second arc-shaped block, the second arc-shaped block and the first arc-shaped block have the same structure, a groove distributed in an array manner is arranged on one side of the first arc-shaped block, arc-shaped holes penetrating through the first arc-shaped block are arranged in the groove, and a rotating groove is arranged in the groove. According to the detection device, the annular assembly is attached to the pipeline, so that the detection rod is convenient to contact with the pipeline for comprehensive detection, the detection rod moves in a reciprocating mode to perform impact detection on the pipeline, the pressure resistance of the pipeline is detected, the safety of the pipeline is confirmed, the structure is simple, the inner wall and the outer wall of the pipeline can be detected, the detection is convenient, and the use is simple.
Description
Technical Field
The invention relates to the technical field of pipeline pressure detection, in particular to a near pipeline safety pressure detection device for shield tunnel construction.
Background
The shield tunnel is a method for constructing a tunnel by using a shield machine, controlling an excavation face and surrounding rocks not to collapse and destabilize, tunneling the tunnel and discharging slag, assembling duct pieces in the machine to form a lining, implementing grouting after the wall, and not disturbing the surrounding rocks. The tunnel underground excavation construction method adopts a shield tunneling machine for excavation and takes reinforced concrete segments as lining supports. The main principle of shield construction is to complete construction as far as possible without disturbing surrounding rocks, thereby reducing the influence on ground buildings and buried objects in the foundation to the maximum extent.
When the existing shield tunnel construction process is adopted, pressure is applied to the inside and the outside of the parallel pipeline, external pressure of the pipeline can be influenced by shield tunnel construction, the pressure inside the pipeline can influence the use safety of the pipeline, the pipeline needs to be detected before construction or during construction, the safety detection of the parallel pipeline of the shield tunnel is tested, and the safety of the pipeline is improved.
Disclosure of Invention
The invention aims to provide a near pipeline safety pressure detection device for shield tunnel construction, which solves the problem of safety detection of a near pipeline in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a detection device for safe pressure of an adjacent pipeline for shield tunnel construction comprises a base and is characterized in that an annular assembly is rotatably arranged on the base, a fastening piece is rotatably arranged on one side of the annular assembly, an adjusting piece is slidably arranged on the other side of the annular assembly, and detection pieces distributed in an array mode are fixedly fastened on the annular assembly;
the annular assembly comprises a first arc-shaped block and a second arc-shaped block, the second arc-shaped block and the first arc-shaped block are the same in structure, one side of the first arc-shaped block is provided with grooves distributed in an array manner, arc-shaped holes penetrating through the first arc-shaped block are formed in the grooves, rotating grooves are formed in the grooves, and a gear ring is fixedly arranged on the first arc-shaped block;
a connecting rod rotatably connected with the connecting hole is arranged on one side of the first arc-shaped block, a rotating block is fixedly arranged at one end of the first arc-shaped block, a second threaded hole is formed in the rotating block, and the second threaded hole is rotatably connected with the shaft rod;
one side of the first arc-shaped block is provided with a sliding groove communicated with the arc-shaped hole, the other side of the first arc-shaped block is fixedly provided with a guide block, locking grooves distributed in an array mode are arranged in the sliding groove, and the guide block is provided with a first guide groove;
the fastening piece comprises an arc-shaped rod, limiting blocks distributed in an array mode are fastened and fixed on the arc-shaped rod, the limiting blocks are connected with arc-shaped holes in a sliding mode, an installation block is fastened and fixed on the arc-shaped rod, a placement groove is formed in the installation block, a moving plate is arranged in the placement groove in a sliding mode, a cylinder is fastened and fixed on the moving plate, and a first spring used for being connected with the moving plate is fixedly arranged in the placement groove;
the adjusting part comprises a guide arc rod, trapezoidal blocks distributed in an array mode are fixedly arranged on the guide arc rod, an open slot is formed in one side of each trapezoidal block, and a gear is rotatably arranged in the open slot in one trapezoidal block;
the detection piece comprises an installation rod, insertion rings are fixedly arranged at two ends of the installation rod, a limiting groove is arranged in the installation rod, a fixing frame is fixedly arranged on one side of the installation rod, a U-shaped frame is arranged on the fixing frame, a detection rod is slidably arranged at one end of the U-shaped frame, a driving block is fixedly arranged at one end of the detection rod, a pressure sensor is arranged at the other side of the detection rod, a straight groove is arranged on one side of the driving block, a swing rod is rotatably arranged in the U-shaped frame, and a shifting rod is fixedly arranged at one end of the swing rod;
the fixing frame is provided with a second guide groove, a lifting plate is arranged in the second guide groove in a sliding mode, the U-shaped frame is fixedly connected with the lifting plate, ejector rods are arranged at two ends of the lifting plate, and a second spring connected with the fixing frame is fixedly arranged on one side of the lifting plate.
Furthermore, the base comprises a bottom plate, a cross rod with adjustable height is fixedly fastened on the bottom plate, an adjusting rod is arranged on the cross rod, the adjusting rod is in threaded connection with the cross rod, and symmetrically distributed moving blocks are slidably arranged on the cross rod;
the movable block is rotatably connected with one end of the adjusting rod, a push rod is rotatably arranged on the movable block, a connecting hole is formed in one end of the push rod, a shaft rod is fixedly arranged at one end of the cross rod, and a first threaded hole is formed in one end of the cross rod.
Further, the cylinder is matched with the locking groove.
Furthermore, the guide arc rod is matched with the first guide groove, and the gear is matched with the gear ring.
Furthermore, the insert ring is rotatably connected with the rotating groove, the limiting groove is matched with the limiting block, the deflector rod is matched with the straight groove, and the ejector rod is matched with the inclined plane of the trapezoidal block.
The invention has the beneficial effects that:
1. according to the detection device, the annular assembly is attached to the pipeline, so that the detection rod is convenient to contact with the pipeline for comprehensive detection, the detection rod moves in a reciprocating manner to perform impact detection on the pipeline, the pressure resistance of the pipeline is detected, and the safety of the pipeline is confirmed;
2. the detection device has a simple structure, can detect the inner wall and the outer wall of the pipeline, and is convenient to detect and simple to use.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of the detecting device of the present invention;
FIG. 2 is a schematic view of the base structure of the present invention;
FIG. 3 is a schematic view of a first arcuate block configuration of the present invention;
FIG. 4 is a schematic view of a first arcuate block configuration of the present invention;
FIG. 5 is a schematic view of a fastener construction of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5A according to the present invention;
FIG. 7 is a schematic view of the structure of the adjusting member of the present invention;
FIG. 8 is a schematic view of the adjuster of the present invention;
FIG. 9 is a schematic view of the structure of the detecting member of the present invention;
fig. 10 is a schematic structural view of the detecting member of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The utility model provides a shield constructs tunnel construction with closing on pipeline safety pressure detection device, detection device includes base 1, as shown in figure 1, rotate on the base 1 and be equipped with first arc piece 2 and second arc piece 3, annular assembly is constituteed to first arc piece 2 and second arc piece 3, and one side of annular assembly is rotated and is equipped with fastener 4, and the annular assembly sets firmly the detection piece 6 that the array distributes, and fastener 4 is used for fixed detection piece 6.
As shown in fig. 2, the base 1 includes a bottom plate 11, a hydraulic rod 12 is fixedly arranged on the bottom plate 11, an output end of the hydraulic rod 12 is provided with a cross rod 13, an adjusting rod 14 is rotatably arranged on the cross rod 13, an external thread 15 is arranged on the cross rod 13, the adjusting rod 14 is matched with the external thread 15, a sliding groove 16 which is symmetrically distributed is arranged on the cross rod 13, a moving block 17 is arranged in the sliding groove 16, and the moving block 17 is rotatably connected with one end of the adjusting rod 14.
A push rod 18 is rotatably arranged on the moving block 17, a connecting hole 181 is formed in one end of the push rod 18, a shaft rod 19 is fixedly arranged at one end of the cross rod 13, the other end of the cross rod is fixedly connected with the output end of the hydraulic rod 12, a first threaded hole 191 is formed in one end of the cross rod 13, and the first threaded hole 191 is located in the center of the cross rod 13.
As shown in fig. 2 and 3, one side of the first arc-shaped block 2 is provided with a connecting rod 22, the connecting rod 22 is rotatably connected with the connecting hole 181, one end of the first arc-shaped block 2 is fixedly provided with a rotating block 21, the rotating block 21 is provided with a second threaded hole 211, the second threaded hole 211 is rotatably connected with the shaft rod 19, one side of the first arc-shaped block 2 is provided with a groove 23 distributed in an array manner, an arc-shaped hole 25 is arranged in the groove 23, the arc-shaped hole 25 penetrates through the first arc-shaped block 2, a rotating groove 24 is arranged in the groove 23, and the rotating groove 24 is used for installing the detecting part 6.
One side of first arc piece 2 is equipped with sliding tray 26, is equipped with array distribution's locking groove 27 in the sliding tray 26, and sliding tray 26 communicates with arc hole 25, and second arc piece 3 is the same with first arc piece 2 structure.
As shown in fig. 4 and 5, the fastening member 4 includes an arc rod 41, a limiting block 42 with array distribution is fastened on the arc rod 41, the limiting block 42 is connected with the arc hole 25 in a sliding manner, a mounting block 43 is fastened on the arc rod 41, a placement groove 44 is arranged on the mounting block 43, a moving plate 45 is slidably arranged in the placement groove 44, a cylinder 46 is fastened on the moving plate 45, the cylinder 46 is matched with the locking groove 27, a first spring 47 is fixedly arranged in the placement groove 44, the first spring 47 is fastened and connected with the moving plate 45, and the pushing cylinder 46 is attached to the locking groove 27.
As shown in fig. 8 and 9, the detecting element 6 includes a mounting rod 61, a limiting block 611 is fixedly disposed on the mounting rod 61, the limiting block 611 is attached to the groove 23, two ends of the mounting rod 61 are tightly fixed with an insert ring 612, the insert ring 612 is rotatably connected with the rotating groove 24, a limiting groove 613 is disposed in the mounting rod 61, the limiting groove 613 is matched with the limiting block 42, a fixing frame 62 is tightly disposed on one side of the mounting rod 61, a U-shaped frame 67 is disposed on the fixing frame 62, a detecting rod 68 is slidably disposed on one end of the U-shaped frame 67, a driving block 681 is tightly disposed on one end of the detecting rod 68, a pressure sensor is disposed on the other side of the detecting rod 681, which is not shown in the figure, and a straight groove 682 is disposed on one side of the driving block 681.
A swing rod 69 is rotatably arranged in the U-shaped frame 67, a second motor 60 is fixedly arranged on one side of the U-shaped frame 67, a deflector rod 691 is fixedly arranged at one end of the swing rod 69, the other end of the swing rod is fixedly connected with the output end of the second motor 60, and the deflector rod 691 is matched with the straight groove 682.
During the use, if need carry out pressure detection to shield tunnel's the pipeline outside that closes on, extension or shortening of 12 output ends of hydraulic stem, adjust the height of horizontal pole 13, place first arc piece 2 and second arc piece 3 near the pipeline around, make measuring bar 68 towards annular assembly axle center department, rotate regulation pole 14, make push rod 18 remove first arc piece 2 and second arc piece 3,U shape frame 67 and be close to shield tunnel's the pipeline that closes on, rotate pendulum rod 69, control measuring bar 68 reciprocating motion, carry out pressure detection to the pipeline outer wall, judge shield tunnel construction's distance and the external pressure to the pipeline, whether damage existing pipeline.
If need carry out pressure detection to shield tunnel's the pipeline inside that closes on, close the inside gas or the liquid of carrying of pipeline, the bolt passes second screw hole 211 and cooperates fixed first arc piece 2 and second arc piece 3 with first screw hole 191, place first arc piece 2 and second arc piece 3 in closing on the pipeline, rotate regulation pole 14, make push rod 18 remove first arc piece 2 and second arc piece 3, let U-shaped frame 67 be close to shield tunnel's the pipeline that closes on, rotate detection piece 6, make detection pole 68 towards the inner wall of pipeline, rotate pendulum rod 69, control detection pole 68 reciprocating motion, carry out pressure detection to the pipeline outer wall, judge the scope that the pipeline bore internal pressure, provide safety index when constructing shield tunnel.
Example 2
As shown in fig. 3, a guide block 28 is fastened to the other side of the first arc block 2, a first guide slot 281 is provided on the guide block 28, a gear ring 29 is fastened to the first arc block 2, and an adjusting member 5 is slidably provided on the guide block 28.
As shown in fig. 6 and 7, the adjusting member 5 includes a guiding arc rod 51, the guiding arc rod 51 is slidably connected to the first guiding slot 281, trapezoidal blocks 52 are fixedly fastened to the guiding arc rod 51, the trapezoidal blocks 52 are arranged in an array, an opening slot 53 is formed on one side of each trapezoidal block 52, a gear 54 is rotatably arranged in the opening slot 53 of one trapezoidal block 52, a first motor 55 is fixedly fastened to each trapezoidal block 52, an output end of the first motor 55 is fixedly connected to the gear 54, and the gear 54 is engaged with the gear ring 29.
As shown in fig. 8 and 9, a second guide groove 63 is formed in the fixing frame 62, a lifting plate 64 is slidably disposed in the second guide groove 63, a u-shaped frame 67 is fixedly connected with the lifting plate 64, push rods 66 are disposed at two ends of the lifting plate 64, a second spring 65 is fixedly disposed at one side of the lifting plate 64, one end of the second spring 65 is fixedly connected with the fixing frame 62, the second spring 65 supports the lifting plate 64, the push rods 66 are slidably connected with the inclined surfaces of the trapezoidal blocks 52, the trapezoidal blocks 52 are moved, and the positions of the lifting plate 64 are adjusted by moving the push rods 66.
During the use, through rotating first arc piece 2 and second arc piece 3 after, through gear 54 and the cooperation of ring gear 29, control direction arc pole 51 rotates, trapezoidal piece 52 adjusts the position of lifter plate 64, and the control detects the interval of pole 68 and pipeline inner wall, conveniently adjusts the detection dynamics.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, principal features, and advantages of the 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 given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.
Claims (5)
1. A detection device for safe pressure of a near pipeline for shield tunnel construction comprises a base (1) and is characterized in that an annular assembly is rotatably arranged on the base (1), a fastening piece (4) is rotatably arranged on one side of the annular assembly, an adjusting piece (5) is slidably arranged on the other side of the annular assembly, and detection pieces (6) distributed in an array are fixedly fastened on the annular assembly;
the annular assembly comprises a first arc-shaped block (2) and a second arc-shaped block (3), the second arc-shaped block (3) is the same as the first arc-shaped block (2) in structure, grooves (23) distributed in an array mode are formed in one side of the first arc-shaped block (2), arc-shaped holes (25) penetrating through the first arc-shaped block (2) are formed in the grooves (23), rotating grooves (24) are formed in the grooves (23), and a gear ring (29) is fixedly arranged on the first arc-shaped block (2);
a connecting rod (22) rotatably connected with the connecting hole (181) is arranged on one side of the first arc-shaped block (2), a rotating block (21) is fixedly arranged at one end of the first arc-shaped block (2), a second threaded hole (211) is formed in the rotating block (21), and the second threaded hole (211) is rotatably connected with the shaft lever (19);
one side of the first arc-shaped block (2) is provided with a sliding groove (26) communicated with the arc-shaped hole (25), the other side of the first arc-shaped block is fixedly provided with a guide block (28), locking grooves (27) distributed in an array manner are arranged in the sliding groove (26), and a first guide groove (281) is arranged on the guide block (28);
the fastening piece (4) comprises an arc-shaped rod (41), limiting blocks (42) distributed in an array mode are fixedly arranged on the arc-shaped rod (41) in a fastened mode, the limiting blocks (42) are connected with arc-shaped holes (25) in a sliding mode, a mounting block (43) is fixedly arranged on the arc-shaped rod (41) in a fastened mode, a placing groove (44) is formed in the mounting block (43), a moving plate (45) is arranged in the placing groove (44) in a sliding mode, a cylinder (46) is fixedly arranged on the moving plate (45) in a fastened mode, and a first spring (47) used for being connected with the moving plate (45) is fixedly arranged in the placing groove (44);
the adjusting part (5) comprises a guide arc rod (51), trapezoidal blocks (52) distributed in an array mode are fixedly arranged on the guide arc rod (51), an open slot (53) is formed in one side of each trapezoidal block (52), and a gear (54) is rotatably arranged in the open slot (53) in one trapezoidal block (52);
the detection device is characterized in that the detection piece (6) comprises a mounting rod (61), two ends of the mounting rod (61) are fixedly provided with inserting rings (612), a limiting groove (613) is arranged in the mounting rod (61), one side of the mounting rod (61) is fixedly provided with a fixing frame (62), the fixing frame (62) is provided with a U-shaped frame (67), one end of the U-shaped frame (67) is provided with a detection rod (68) in a sliding manner, one end of the detection rod (68) is fixedly provided with a driving block (681), the other side of the detection rod is provided with a pressure sensor, one side of the driving block (681) is provided with a straight groove (682), a swing rod (69) is rotatably arranged in the U-shaped frame (67), and one end of the swing rod (69) is fixedly provided with a shifting lever (691);
the lifting device is characterized in that a second guide groove (63) is formed in the fixing frame (62), a lifting plate (64) is arranged in the second guide groove (63) in a sliding mode, the U-shaped frame (67) is fixedly connected with the lifting plate (64), ejector rods (66) are arranged at two ends of the lifting plate (64), and a second spring (65) connected with the fixing frame (62) is fixedly arranged on one side of the lifting plate (64).
2. The safe pressure detection device for the adjacent pipeline for shield tunnel construction according to claim 1, wherein the base (1) comprises a bottom plate (11), a cross rod (13) with adjustable height is fixedly arranged on the bottom plate (11), an adjusting rod (14) is arranged on the cross rod (13), the adjusting rod (14) is in threaded connection with the cross rod (13), and symmetrically distributed moving blocks (17) are slidably arranged on the cross rod (13);
the movable block (17) is rotatably connected with one end of the adjusting rod (14), a push rod (18) is rotatably arranged on the movable block (17), a connecting hole (181) is formed in one end of the push rod (18), a shaft rod (19) is fixedly arranged at one end of the cross rod (13), and a first threaded hole (191) is formed in one end of the cross rod (13).
3. The adjacent pipeline safety pressure detecting device for shield tunnel construction according to claim 1, wherein the cylinder (46) is engaged with the locking groove (27).
4. The adjacent line safety pressure detecting device for shield tunnel construction according to claim 1, wherein the guide arc rod (51) is engaged with the first guide groove (281), and the gear (54) is engaged with the ring gear (29).
5. The adjacent pipeline safety pressure detection device for shield tunnel construction according to claim 1, wherein the insert ring (612) is rotatably connected with the rotating groove (24), the limiting groove (613) is matched with the limiting block (42), the deflector rod (691) is matched with the straight groove (682), and the ejector rod (66) is matched with the inclined surface of the trapezoidal block (52).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210450754.1A CN114738053B (en) | 2022-04-26 | 2022-04-26 | Shield tunnel construction is with closing on pipeline safety pressure detection device |
| JP2022600109U JP3241539U (en) | 2022-04-26 | 2022-06-14 | Safety pressure detection device for adjacent pipelines for shield tunnel construction |
| PCT/CN2022/098494 WO2022184189A2 (en) | 2022-04-26 | 2022-06-14 | Adjacent pipeline safety pressure-testing device for shield tunneling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210450754.1A CN114738053B (en) | 2022-04-26 | 2022-04-26 | Shield tunnel construction is with closing on pipeline safety pressure detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114738053A CN114738053A (en) | 2022-07-12 |
| CN114738053B true CN114738053B (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210450754.1A Active CN114738053B (en) | 2022-04-26 | 2022-04-26 | Shield tunnel construction is with closing on pipeline safety pressure detection device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3241539U (en) |
| CN (1) | CN114738053B (en) |
| WO (1) | WO2022184189A2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115196431B (en) * | 2022-09-19 | 2022-12-06 | 山东华武电工有限公司 | Film envelope detection device |
| CN116500198B (en) * | 2023-04-26 | 2024-06-04 | 西安特科检测研究所有限公司 | VOCs detection method and device |
| CN117930141B (en) * | 2024-03-25 | 2024-06-11 | 湖北高路公路工程监理咨询有限公司 | Tunnel defect detection device and method based on radar detection |
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2022
- 2022-04-26 CN CN202210450754.1A patent/CN114738053B/en active Active
- 2022-06-14 JP JP2022600109U patent/JP3241539U/en active Active
- 2022-06-14 WO PCT/CN2022/098494 patent/WO2022184189A2/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2655982C1 (en) * | 2017-07-13 | 2018-05-30 | Публичное акционерное общество "Газпром" | Equipment for detecting defects of pipelines |
| CN111458460A (en) * | 2020-04-20 | 2020-07-28 | 湖州锦鸿环保工程有限公司 | Touch control environment detection device |
| CN213118500U (en) * | 2020-08-05 | 2021-05-04 | 湖南楚地恒大检测有限公司 | Underground water pipe detects uses probe structure |
| CN114221265A (en) * | 2021-12-24 | 2022-03-22 | 刘彦奇 | Electric wire erecting mechanism for electrical engineering construction and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022184189A3 (en) | 2023-03-09 |
| JP3241539U (en) | 2023-04-11 |
| WO2022184189A2 (en) | 2022-09-09 |
| CN114738053A (en) | 2022-07-12 |
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