CN115076459A - Pipeline laying device for building distributed water pumping power storage station by using abandoned mine - Google Patents
Pipeline laying device for building distributed water pumping power storage station by using abandoned mine Download PDFInfo
- Publication number
- CN115076459A CN115076459A CN202210774085.3A CN202210774085A CN115076459A CN 115076459 A CN115076459 A CN 115076459A CN 202210774085 A CN202210774085 A CN 202210774085A CN 115076459 A CN115076459 A CN 115076459A
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- Prior art keywords
- fixedly connected
- arc
- installation
- steel frame
- pipelines
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/06—Accessories therefor, e.g. anchors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/105—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing one member carrying a substantially radial tightening element
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- 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
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to the technical field of reconstruction of abandoned mines, in particular to a pipeline laying device for building a distributed pumping power storage station by utilizing abandoned mines, which comprises an installation sleeve frame and two pipelines, wherein the bottoms of the two ends of the installation sleeve frame are fixedly connected with arc-shaped supporting pieces for supporting the pipelines, the top of the installation sleeve frame is fixedly connected with an installation steel frame, the bottom of the inner wall of the installation steel frame is provided with a movable groove, an arc-shaped pressing plate for pressing the pipelines onto the arc-shaped supporting pieces is arranged above the pipelines, the installation steel frame and the installation sleeve frame are fixed through fixing bolts, so that the two arc-shaped supporting pieces are fixed to one side of a wall surface along with the installation sleeve frame, the two pipelines can be pressed onto the two arc-shaped supporting pieces through arranging the two detachable arc-shaped pressing plates, and the two pipelines are laid at the same height of one side of the wall surface, the utilization rate of the space is improved, and more pipelines can be arranged in the limited space.
Description
Technical Field
The invention relates to the technical field of modification of abandoned mines, in particular to a pipeline laying device for building a distributed water pumping and power storage station by utilizing abandoned mines.
Background
The abandoned mine can be transformed into a pumped storage power station, and the pumped storage power station constructed by utilizing the abandoned mine is mainly used for transforming and expanding the existing facilities of abandoned mine holes, and reservoir buildings, factory buildings, pressure pipelines, tail water systems and other pivot buildings are constructed underground.
When the pumped storage power station is constructed by abandoned mines, a large number of pipelines need to be laid to connect all levels of facilities of the pumped storage power station.
In the prior art, when the pipelines of the pumped storage power station constructed by abandoned mines are laid, the pipelines are usually directly fixed on the wall surface inside the mine by clamping pieces or hoops and the like, but the pipeline laying mode can only lay one pipeline at the same height of the wall surface, the utilization rate of the internal space of the mine is not high, and more pipelines are inconvenient to lay inside the mine.
Disclosure of Invention
The invention aims to provide a pipeline layout device for building a distributed water pumping and power storage station by using a waste mine, so as to solve the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an utilize abandonment mine to build distributing type pump-storage power station's pipeline and lay device, includes installation cover frame and two pipelines, the equal fixedly connected with in bottom at installation cover frame both ends is used for holding up the arc of pipeline holds in the palm the piece, the top fixedly connected with installation steelframe of installation cover frame, movable groove has been seted up to the bottom of installation steelframe inner wall, the top of pipeline is provided with be used for with the pipeline compresses tightly arc clamp plate on the arc holds in the palm the piece, the top fixedly connected with fixed axle of arc clamp plate, the top of fixed axle is passed movable groove, the fixed axle is located chucking hole has been seted up to the top in movable groove, one side of installation steelframe is provided with and is used for passing chucking pore pair the fixed axle carries out the chucking mechanism of fixing a position.
Preferably, the clamping mechanism comprises a through rod, and one end of the through rod sequentially penetrates through the mounting steel frame and the clamping hole.
Preferably, one end of the penetrating rod is fixedly connected with a control pull ring outside the installation steel frame, and one end of the penetrating rod, far away from the control pull ring, is fixedly connected with a positioning sleeve plate.
Preferably, one side of installation steelframe is fixed even there is fixed sleeve, the bottom fixedly connected with regulating spring of fixed sleeve inner wall, regulating spring's top fixedly connected with connecting axle, the horizontal board of top fixedly connected with of connecting axle, two location picture pegs of the bottom fixedly connected with of horizontal board, the bottom of location picture peg is passed location lagging.
Preferably, one side of the inner wall of the installation steel frame is provided with a fixing bolt, and the fixing bolt is used for fixing the installation steel frame to the wall surface.
Preferably, both sides of the mounting steel frame are fixedly connected with auxiliary rods, one end of each auxiliary rod is fixedly connected with an auxiliary plate, and one side of each auxiliary plate is provided with an auxiliary screw hole.
The invention has the beneficial effects that:
fixing the installation steelframe and the installation cover frame through fixing bolt for two arc support pieces are along with the installation cover frame is fixed to one side of wall, and through setting up two arc clamp plates that can the dismouting, can compress tightly two pipelines on two arc support pieces, lay two pipelines on the same height of wall one side, promote the utilization ratio to the space, can lay more pipelines in limited space.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the bottom portion of the mounting bracket of FIG. 1;
FIG. 3 is a schematic view of a rear view of the mounting bracket of FIG. 1;
FIG. 4 is a schematic top view of the mounting bracket of FIG. 1;
FIG. 5 is a schematic view of the coupling relationship between the clamping mechanism and the fixed shaft shown in FIG. 4;
fig. 6 is a schematic view of the structure of the fixing sleeve portion shown in fig. 3.
The reference numbers in the figures are as follows:
1. the installation sleeve frame, 2, the pipeline, 3, the arc holds in the palm the piece, 4, the installation steelframe, 5, the activity groove, 6, the arc clamp plate, 7, the fixed axle, 8, the chucking hole, 9, the chucking mechanism, 91, the penetrating rod, 92, the control pull ring, 93, the location lagging, 10, the fixed sleeving, 11, adjusting spring, 12, the connecting axle, 13, horizontal board, 14, the location picture peg, 15, fixing bolt, 16, the auxiliary rod, 17, the accessory plate, 18, supplementary screw.
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.
A pipeline layout device for building a distributed water pumping and power storage station by using a waste mine comprises a mounting sleeve frame 1 and two pipelines 2, the bottoms of the two ends of the mounting sleeve frame 1 are fixedly connected with arc-shaped supporting pieces 3 for supporting the pipeline 2, the top of the mounting sleeve frame 1 is fixedly connected with a mounting steel frame 4, the bottom of the inner wall of the mounting steel frame 4 is provided with a movable groove 5, an arc-shaped pressing plate 6 used for pressing the pipeline 2 onto the arc-shaped supporting piece 3 is arranged above the pipeline 2, the top of the arc-shaped pressing plate 6 is fixedly connected with a fixed shaft 7, the top of the fixed shaft 7 penetrates through the movable groove 5, the fixed shaft 7 is located a clamping hole 8 is formed above the movable groove 5, and a clamping mechanism 9 used for penetrating through the clamping hole 8 to position the fixed shaft 7 is arranged on one side of the mounting steel frame 4.
Installation set frame 1, arc hold in the palm piece 3 and installation steelframe 4 all adopt the steel preparation, and intensity is high, and is good to 1 bearing capacity of pipeline 2, and the surface adopts rust-resistant treatment for use difficult rust under the dark humid environment in the abandonment mine, two arcs hold in the palm 3 contactless, have the space that enough pipeline 2 passes through between, make pipeline 2 can pass through between two arcs hold in the palm between the piece 3.
The clamping mechanism 9 comprises a through rod 91, and one end of the through rod 91 sequentially penetrates through the mounting steel frame 4 and the clamping hole 8.
As shown in fig. 1 to 4, the through rod 91 of the clamping mechanism 9 passes through the mounting steel frame 4 and the fixing shaft 7, and as shown in fig. 5, the fixing shaft 7 is provided with a clamping hole 8, so that the through rod 91 can pass through the fixing shaft 7 from the clamping hole 8.
One end of the through rod 91 is fixedly connected with a control pull ring 92 outside the installation steel frame 4, and one end of the through rod 91 far away from the control pull ring 92 is fixedly connected with a positioning sleeve plate 93.
The positioning sleeve plate 93 is provided with an opening, so that the positioning insertion plate 14 can conveniently penetrate through the positioning sleeve plate 93.
One side fixed connection of installation steelframe 4 has fixed sleeve 10, the bottom fixedly connected with adjusting spring 11 of fixed sleeve 10 inner wall, adjusting spring 11's top fixedly connected with connecting axle 12, the horizontal board 13 of top fixedly connected with of connecting axle 12, two location picture peg 14 of the bottom fixedly connected with of horizontal board 13, the bottom of location picture peg 14 is passed location lagging 93.
One side of the inner wall of the installation steel frame 4 is provided with a fixing bolt 15, and the fixing bolt 15 is used for fixing the installation steel frame 4 to the wall surface.
As shown in fig. 1, the mounting steel frame 4 can be fixed to the wall surface inside the abandoned mine by the fixing bolt 15 matching with the screwed pipe pressed into the wall surface, so that the mounting steel frame 4 and the mounting sleeve frame 1 are fixed.
The two sides of the mounting steel frame 4 are fixedly connected with auxiliary rods 16, one end of each auxiliary rod 16 is fixedly connected with an auxiliary plate 17, and one side of each auxiliary plate 17 is provided with an auxiliary screw hole 18.
As shown in fig. 1, when the mounting steel frame 4 is fixed to the wall surface by the fixing bolt 15, other screws may be used to pass through the auxiliary screw holes 18 to fix the auxiliary plate 17 to the wall surface, so as to provide auxiliary support for the mounting steel frame 4 from both sides, and improve the bearing capacity of the mounting steel frame 4.
The working principle of the pipeline layout device for building the distributed water pumping and power storage station by using the abandoned mine provided by the invention is as follows:
when the pipeline 2 needs to be taken down, the transverse plate 13 can be manually pulled upwards, so that the transverse plate 13 drives the positioning insertion plate 14 to move upwards, the positioning insertion plate 14 is separated from the positioning sleeve plate 93, at the moment, the control pull ring 92 can be pulled towards the direction far away from the mounting steel frame 4, the control pull ring 92 drives the penetrating rod 91 and the positioning sleeve plate 93 to separate from the mounting steel frame 4 and the fixing shaft 7, at the moment, the fixing shaft 7 and the arc-shaped pressing plate 6 can be horizontally moved, the arc-shaped pressing plate 6 is moved to the position between the two arc-shaped supporting pieces 3, at the moment, the arc-shaped pressing plate 6 can be pulled downwards to drive the fixing shaft 7 to move downwards, the top of the fixing shaft 7 is separated from the movable groove 5, the arc-shaped pressing plate 6 is taken down, at the moment, the pipeline 2 can be lifted upwards, and the pipeline 2 is taken down from between the two arc-shaped supporting pieces 3;
when a pipeline needs to be laid, the pipeline 2 can be moved up from the space between the two arc-shaped supporting pieces 3, then the pipeline 2 is moved onto the arc-shaped supporting pieces 3, the pipeline 2 is supported by the arc-shaped supporting pieces 3, at this time, the arc-shaped pressing plate 6 and the fixing shaft 7 can be moved up from the space between the two arc-shaped supporting pieces 3, so that the top of the fixing shaft 7 passes through the movable groove 5, then the arc-shaped pressing plate 6 is horizontally moved, the arc-shaped pressing plate 6 is attached to the pipeline 2, the pipeline 2 is tightly pressed on the arc-shaped supporting pieces 3, then one end of the penetrating rod 91 close to the positioning sleeve plate 93 passes through the installation steel frame 4 and the fixing shaft 7, then the transverse plate 13 is loosened, the adjusting spring 11 is contracted to drive the connecting shaft 12 and the transverse plate 13 to move downwards, the transverse plate 13 drives the positioning insertion plate 14 to move downwards, so that the positioning insertion plate 14 passes through the positioning sleeve plate 93, the clamping mechanism 9 is positioned, and the clamping mechanism 9 cannot be separated from the installation steel frame 4, and the penetrating rod 91 penetrates through the fixed shaft 7 to position the fixed shaft 7 and the arc-shaped pressing plate 6, so that the pipeline 2 can be better pressed onto the arc-shaped supporting piece 3 by the arc-shaped pressing plate 6.
Compared with the prior art, the pipeline layout device for building the distributed water pumping and power storage station by using the abandoned mine has the following beneficial effects:
fixing the installation steelframe 4 and the installation set frame 1 through fixing bolt 15 for two arc support 3 are along with the installation set frame 1 is fixed to one side of wall, and through setting up two arc clamp plates 6 that can the dismouting, can compress tightly two pipelines 2 on two arc support 3, lay two pipelines 2 on the same height of wall one side, promote the utilization ratio to the space, can lay more pipelines 2 in limited space.
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 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 (6)
1. The pipeline laying device for building the distributed pumped storage power station by using the abandoned mine comprises an installation sleeve frame (1) and two pipelines (2), and is characterized in that the bottoms of the two ends of the installation sleeve frame (1) are fixedly connected with arc-shaped supporting pieces (3) used for supporting the pipelines (2), the top of the installation sleeve frame (1) is fixedly connected with an installation steel frame (4), the bottom of the inner wall of the installation steel frame (4) is provided with a movable groove (5), an arc-shaped pressing plate (6) used for pressing the pipelines (2) onto the arc-shaped supporting pieces (3) is arranged above the pipelines (2), the top of the arc-shaped pressing plate (6) is fixedly connected with a fixed shaft (7), the top of the fixed shaft (7) penetrates through the movable groove (5), and a clamping hole (8) is formed above the movable groove (5) by the fixed shaft (7), one side of the mounting steel frame (4) is provided with a clamping mechanism (9) which is used for penetrating through the clamping hole (8) to position the fixed shaft (7).
2. The piping installation apparatus for constructing a distributed pumped storage power plant using abandoned mines as set forth in claim 1, wherein the clamping mechanism (9) comprises a through rod (91), and one end of the through rod (91) passes through the mounting steel frame (4) and the clamping hole (8) in sequence.
3. The piping installation apparatus for constructing a distributed pumped storage power plant using abandoned mine shafts as claimed in claim 2, wherein a control pull ring (92) is fixedly connected to one end of the through rod (91) and located outside the installation steel frame (4), and a positioning sleeve plate (93) is fixedly connected to one end of the through rod (91) far away from the control pull ring (92).
4. The pipeline laying device for building the distributed pumped storage power station by using the abandoned mine shaft as claimed in claim 3, wherein a fixed sleeve (10) is fixedly connected to one side of the installation steel frame (4), an adjusting spring (11) is fixedly connected to the bottom of the inner wall of the fixed sleeve (10), a connecting shaft (12) is fixedly connected to the top of the adjusting spring (11), a transverse plate (13) is fixedly connected to the top of the connecting shaft (12), two positioning insertion plates (14) are fixedly connected to the bottom of the transverse plate (13), and the bottom of the positioning insertion plate (14) penetrates through the positioning sleeve plate (93).
5. The piping installation apparatus for constructing a distributed pumped storage power plant using abandoned mines as set forth in claim 1, wherein the fixing bolts (15) are provided on one side of the inner wall of the mounting steel frame (4), and the fixing bolts (15) are used to fix the mounting steel frame (4) to the wall surface.
6. The piping arrangement device for building a distributed pumped storage power plant by using abandoned mines as claimed in claim 5, wherein auxiliary rods (16) are fixedly connected to both sides of the installation steel frame (4), an auxiliary plate (17) is fixedly connected to one end of each auxiliary rod (16), and auxiliary screw holes (18) are formed in one side of each auxiliary plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210774085.3A CN115076459A (en) | 2022-07-01 | 2022-07-01 | Pipeline laying device for building distributed water pumping power storage station by using abandoned mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210774085.3A CN115076459A (en) | 2022-07-01 | 2022-07-01 | Pipeline laying device for building distributed water pumping power storage station by using abandoned mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115076459A true CN115076459A (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210774085.3A Pending CN115076459A (en) | 2022-07-01 | 2022-07-01 | Pipeline laying device for building distributed water pumping power storage station by using abandoned mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115076459A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3936198A1 (en) * | 1988-11-02 | 1990-05-17 | Raimund Hoellein Carolinenhuet | Suspended hanger brackets for fixing service pipes to bridges - have facilities for each horizontal and vertical adjustment to suit alignment |
| CN209909315U (en) * | 2019-03-19 | 2020-01-07 | 福建美益同济住宅工业有限公司 | Piping lane support is used in municipal administration pipeline installation |
| CN210920331U (en) * | 2019-08-12 | 2020-07-03 | 杭州天悦电子电气有限公司 | Concatenation formula pipeline gallows |
| CN211039935U (en) * | 2019-11-18 | 2020-07-17 | 浙江品道机电科技有限公司 | Anti-seismic connecting support assembly |
| CN211683140U (en) * | 2019-12-25 | 2020-10-16 | 青岛永冠保温建材有限公司 | Polyphenyl board foaming machine with adjustable |
| CN212986272U (en) * | 2020-08-01 | 2021-04-16 | 新乡市诚德能源科技装备有限公司 | Composite set for pipeline under pressure |
| CN213236342U (en) * | 2020-08-31 | 2021-05-18 | 天津耀德环保科技有限公司 | Connecting device for connecting adjacent pipes |
| WO2021227485A1 (en) * | 2020-05-14 | 2021-11-18 | 太仓凯盟精密模具有限公司 | High-pressure pipe hanging frame for coal chemical industry |
| CN215981216U (en) * | 2021-08-03 | 2022-03-08 | 中国建筑第五工程局有限公司 | Screw suspender comprehensive support for building machinery electrical engineering |
-
2022
- 2022-07-01 CN CN202210774085.3A patent/CN115076459A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3936198A1 (en) * | 1988-11-02 | 1990-05-17 | Raimund Hoellein Carolinenhuet | Suspended hanger brackets for fixing service pipes to bridges - have facilities for each horizontal and vertical adjustment to suit alignment |
| CN209909315U (en) * | 2019-03-19 | 2020-01-07 | 福建美益同济住宅工业有限公司 | Piping lane support is used in municipal administration pipeline installation |
| CN210920331U (en) * | 2019-08-12 | 2020-07-03 | 杭州天悦电子电气有限公司 | Concatenation formula pipeline gallows |
| CN211039935U (en) * | 2019-11-18 | 2020-07-17 | 浙江品道机电科技有限公司 | Anti-seismic connecting support assembly |
| CN211683140U (en) * | 2019-12-25 | 2020-10-16 | 青岛永冠保温建材有限公司 | Polyphenyl board foaming machine with adjustable |
| WO2021227485A1 (en) * | 2020-05-14 | 2021-11-18 | 太仓凯盟精密模具有限公司 | High-pressure pipe hanging frame for coal chemical industry |
| CN212986272U (en) * | 2020-08-01 | 2021-04-16 | 新乡市诚德能源科技装备有限公司 | Composite set for pipeline under pressure |
| CN213236342U (en) * | 2020-08-31 | 2021-05-18 | 天津耀德环保科技有限公司 | Connecting device for connecting adjacent pipes |
| CN215981216U (en) * | 2021-08-03 | 2022-03-08 | 中国建筑第五工程局有限公司 | Screw suspender comprehensive support for building machinery electrical engineering |
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