CN111677942A - Waterproof drainage device of hydraulic engineering construction - Google Patents
Waterproof drainage device of hydraulic engineering construction Download PDFInfo
- Publication number
- CN111677942A CN111677942A CN202010720679.7A CN202010720679A CN111677942A CN 111677942 A CN111677942 A CN 111677942A CN 202010720679 A CN202010720679 A CN 202010720679A CN 111677942 A CN111677942 A CN 111677942A
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- pipe
- wall
- sleeve
- connecting plate
- hydraulic engineering
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims 1
- 230000008602 contraction Effects 0.000 claims 1
- 238000005580 one pot reaction Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Classifications
-
- 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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
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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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention belongs to the technical field of hydraulic engineering, and particularly relates to a waterproof drainage device for hydraulic engineering construction, which comprises a connecting pipe, wherein threaded pipes are welded at two ends of the connecting pipe, a sleeve is externally screwed on the threaded pipes, a connecting disc is sleeved on the outer side wall of the sleeve, limit rods which are arranged in an annular mode are welded on the connecting surface of the sleeve and the connecting disc, the limit rods are embedded in the connecting disc and are connected with the connecting disc in a sliding mode, and a bearing is welded on one side, located on the threaded pipe, of the inner wall of the sleeve; be connected through rotatory positioning bolt and gag lever post, accomplish spacing to the connection pad to be connected connection pad and wall through external bolt, the connection pad is through laminating with the wall, accomplishes the automation right to the connecting pipe, guarantees that the installation is firm, overlaps the connecting plate to outside on the flange, makes spacing pipe insert in the outside pipeline, goes into the mounting hole of outside flange through swivelling joint board with the registration arm card, makes things convenient for people to carry out the quick butt joint calibration.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to a waterproof drainage device for hydraulic engineering construction.
Background
The water conservancy project is a project built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting, is also called water project, water is a valuable resource essential for human production and life, but the natural state does not completely meet the requirements of human beings, and the water flow can be controlled only by building water conservancy projects to prevent flood disasters, and the water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production, in the process of water conservancy construction, waterproof drainage operation needs to be carried out through a water conveying pipeline, holes are formed in the wall surface when the pipeline is subjected to wall penetrating operation, in order to ensure that the air duct passes through, the diameter of the hole is generally larger than that of the air duct, so that after the air duct is inserted into the hole, people are difficult to right the dryer, and the installation is crooked easily to appear, and when connecting the pipeline, can't carry out length adjustment and quick calibration operation.
In order to solve the problem, the application provides a waterproof drainage device for hydraulic engineering construction.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a waterproof drainage device for hydraulic engineering construction, which has the characteristics of wall-through installation righting, length adjustment and quick calibration.
In order to achieve the purpose, the invention provides the following technical scheme: a waterproof drainage device for hydraulic engineering construction comprises a connecting pipe, wherein threaded pipes are welded at two ends of the connecting pipe, a sleeve is connected outside the threaded pipe in a threaded mode, a connecting disc is sleeved on the outer side wall of the sleeve, limit rods which are arranged in an annular mode are welded on the connecting surface of the sleeve and the connecting disc, the limit rods are embedded into the connecting disc, and is connected with the connecting disc in a sliding way, a bearing is welded on the inner wall of the sleeve pipe at one side of the threaded pipe, a fixed pipe is rotationally connected in the bearing, one end of the fixed pipe, which extends out of the sleeve, is sleeved with a connecting plate with an annular structure, one end of the bearing, which is far away from the connecting plate, penetrates through the bearing and extends into the sleeve, a mounting pipe with a hollow structure is welded at the axis of the inner wall of the connecting pipe, the installation pipe with fixed being equipped with a plurality of conveyer pipes between the pipe, just fixed connection between the conveyer pipe.
Preferably, the limiting rod is of a T-shaped structure, and the outer side wall of the limiting rod is attached to the inner wall of the connecting disc.
Preferably, one side of the limiting rod, which is far away from the sleeve, is provided with a transverse notch, and a positioning bolt is screwed in the notch of the limiting rod.
Preferably, the connection surface of the sleeve and the threaded pipe is provided with an annular concave notch, the notch of the sleeve is internally provided with threads, and the inner wall of the notch of the sleeve is in threaded engagement with the outer wall of the threaded pipe.
Preferably, the delivery pipes are in a continuous corrugated structure in a tail connection mode, and a hoop with an annular structure is arranged between the delivery pipes and fixedly connected with the hoop.
Preferably, the inner wall of the sleeve is attached to the outer side wall of the fixed pipe.
Preferably, the cross section of one side of the connecting plate, which is far away from the fixed pipe, is of a C-shaped structure, the inner wall of the connecting plate, which is positioned outside the fixed pipe, is provided with mounting holes which are arranged in an annular manner, the inner wall of the connecting plate, which is positioned outside the mounting holes of the connecting plate, is fixedly provided with a positioning pipe, the positioning pipe annularly wraps the mounting holes of the connecting plate, and one side of the positioning pipe, which is far away from the mounting holes of the connecting plate, is designed to be contracted inwards.
Preferably, the axis of the inner wall of the connecting plate is fixedly provided with a limiting tube, the limiting tube is communicated with the fixed tube, and one end of the limiting tube, which is far away from the fixed tube, is of a closing-up structure.
Preferably, the disc-structured base plate is bonded to the inner wall of the connecting plate, the inner wall of the positioning pipe is coated by the base plate, and one side of the positioning pipe, which is far away from the connecting plate, penetrates through the base plate.
The invention also provides a use method of the waterproof drainage device for hydraulic engineering construction, which comprises the following steps:
s1, adjusting the distance, grasping the connecting pipe, rotating the sleeve, separating the sleeve from the threaded pipe, pulling the fixed pipe to drive the conveying pipe to extend, and adjusting the distance between the connecting plates;
s2, mounting a wall surface, namely pushing a connecting disc, separating the connecting disc from the limiting rod, inserting the connecting pipe into a mounting hole of the wall surface, connecting the connecting disc with the limiting rod, pushing the connecting discs to approach each other until the connecting disc is attached to the wall surface, connecting the connecting disc with the limiting rod through a rotary positioning bolt to complete limiting of the connecting disc, and connecting the connecting disc with the wall surface through an external bolt;
s3, butting the pipelines, namely sleeving a connecting plate on an external flange, inserting a limiting pipe into the external pipeline, and clamping a positioning pipe into a mounting hole of the external flange through rotating the connecting plate to realize butting calibration;
and S4, connecting the pipeline, namely penetrating an external bolt through the positioning pipe, and fastening the external bolt to complete the connection of the connecting plate and the external flange.
Compared with the prior art, the invention has the beneficial effects that:
the connecting pipe is grasped, the sleeve pipe is rotated to separate the sleeve pipe from the threaded pipe, the fixed pipe is pulled to drive the conveying pipe to extend, the adjustment of the distance between the connecting plates is realized, therefore, people can adjust the length between the connecting plates according to the use requirements, the installation operation is convenient for people, the connecting pipe is inserted into the wall surface installation hole, the connecting disc is connected with the limiting rod, the connecting discs are pushed to approach each other until the connecting disc is attached to the wall surface, the connecting plate is connected with the limiting rod through the rotary positioning bolt to limit the connecting plate, the connecting plate is connected with the wall surface through the external bolt, the connecting plate is attached to the wall surface to automatically centralize the connecting pipe to ensure stable installation, the connecting plate is sleeved on the external flange to enable the limiting pipe to be inserted into an external pipeline, the positioning pipe is clamped into the mounting hole of the external flange through the rotary connecting plate, so that people can conveniently and quickly carry out butt joint calibration.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the connection disc and the bushing according to the present invention;
FIG. 3 is a schematic structural view of the fixing tube and the sleeve of the present invention;
FIG. 4 is a schematic structural view of a connection pipe and a threaded pipe according to the present invention;
FIG. 5 is a schematic structural view of the fixing tube and the connecting plate according to the present invention;
FIG. 6 is a schematic view of the structure of the recess of the connecting plate of the present invention;
FIG. 7 is a schematic structural view of the connection plate and the limiting tube of the present invention;
in the figure: 1. a connecting pipe; 2. a connecting disc; 3. a limiting rod; 4. a sleeve; 5. a fixed tube; 6. a connecting plate; 7. a bearing; 8. a ferrule; 9. installing a pipe; 10. positioning the bolt; 11. a threaded pipe; 12. a positioning tube; 13. a base plate; 14. a limiting pipe; 15. a delivery pipe.
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
As shown in fig. 1-7;
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the connection disc and the bushing according to the present invention;
FIG. 3 is a schematic structural view of the fixing tube and the sleeve of the present invention;
FIG. 4 is a schematic structural view of a connection pipe and a threaded pipe according to the present invention;
FIG. 5 is a schematic structural view of the fixing tube and the connecting plate according to the present invention;
FIG. 6 is a schematic view of the structure of the recess of the connecting plate of the present invention;
fig. 7 is a schematic structural view between the connecting plate and the limiting tube in the present invention.
A waterproof drainage device for hydraulic engineering construction comprises a connecting pipe 1, threaded pipes 11 are welded at two ends of the connecting pipe 1, a sleeve 4 is externally screwed on the threaded pipes 11, a connecting disc 2 is sleeved on the outer side wall of the sleeve 4, limit rods 3 which are arranged in an annular mode are welded on the connecting surface of the sleeve 4 and the connecting disc 2, the limit rods 3 are embedded in the connecting disc 2, and with connection pad 2 sliding connection, the welding of one side that the sleeve pipe 4 inner wall is located screwed pipe 11 has bearing 7, the rotation is connected with fixed pipe 5 in the bearing 7, the pot head that extends sleeve pipe 4 of fixed pipe 5 is equipped with annular structure's connecting plate 6, bearing 7 keeps away from connecting plate 6 one end and runs through bearing 7 and extend to in the sleeve pipe 4, the welding of axle center department of 1 inner wall of connecting pipe has hollow structure's installation pipe 9, fixed a plurality of conveyer pipes 15 that are equipped with between installation pipe 9 and the fixed pipe 5, and fixed connection between the conveyer pipe 15.
In this embodiment: gripping connecting pipe 1, and swivel sleeve 4, with sleeve 4 and 11 separation of screwed pipe, the fixed pipe of pulling 5 drives the extension of conveyer pipe 15, the realization is to the regulation of interval between connecting plate 6, thereby people adjust the length between connecting plate 6 according to the user demand, make things convenient for people to install the operation, promote connection pad 2, separate connection pad 2 and gag lever post 3, and insert connecting pipe 1 in the wall installation hole, be connected connection pad 2 and gag lever post 3, and promote connection pad 2 to be close to each other until connection pad 2 and wall laminating, be connected with gag lever post 3 through rotatory positioning bolt 10, accomplish spacing to connection pad 2, and be connected connection pad 2 and wall through external bolt, connection pad 2 is through laminating with the wall, accomplish the automatic righting to connecting pipe 1, guarantee that the installation is firm.
As shown in fig. 2;
FIG. 2 is a schematic structural diagram of the connection disc and the bushing according to the present invention.
In an optional embodiment, the limiting rod 3 is of a T-shaped structure, and the outer side wall of the limiting rod 3 is attached to the inner wall of the connecting disc 2.
In an alternative embodiment, a transverse notch is formed in one side of the limiting rod 3 away from the sleeve 4, and a positioning bolt 10 is screwed in the notch of the limiting rod 3.
In this embodiment: the limiting rod 3 with the T-shaped structure can limit the connecting disc 2 in movement, the stability of the connecting disc 2 in movement is guaranteed, the positioning bolt 10 is connected with the notch of the limiting rod 3 through the rotary positioning bolt 10, and people can conveniently limit and fix the connecting disc 2.
As shown in fig. 1, 3 and 4;
FIG. 1 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the fixing tube and the sleeve of the present invention;
fig. 4 is a schematic structural view of the connection pipe 1 and the threaded pipe 11 according to the present invention.
In an alternative embodiment, the connection surface of the sleeve 4 and the threaded pipe 11 is provided with an annular concave notch, the notch of the sleeve 4 is internally provided with threads, and the inner wall of the notch of the sleeve 4 is in threaded engagement with the outer wall of the threaded pipe 11.
In an alternative embodiment, the delivery tubes 15 are connected end to form a continuous corrugated structure, and the annular cuff 8 is disposed between the delivery tubes 15 and fixedly connected to the cuff 8.
In an alternative embodiment, the inner wall of the sleeve 4 abuts the outer side wall of the stationary tube 5.
In this embodiment: grabbing connecting pipe 1 to rotating sleeve 4, separating sleeve 4 and screwed pipe 11, the fixed pipe of pulling 5 drives conveyer pipe 15 extension, realizes the regulation to interval between connecting plate 6, thereby people adjust the length between connecting plate 6 according to the user demand, makes things convenient for people to install the operation.
As shown in fig. 5-7;
FIG. 5 is a schematic structural view of the fixing tube and the connecting plate according to the present invention;
FIG. 6 is a schematic view of the structure of the recess of the connecting plate of the present invention;
fig. 7 is a schematic structural view between the connecting plate 6 and the limiting tube 14 in the present invention.
In an alternative embodiment, the cross section of one side of the connecting plate 6, which is far away from the fixing tube 5, is a C-shaped structure, mounting holes arranged in a ring shape are formed in the positions, which are located outside the fixing tube 5, of the inner wall of the connecting plate 6, a positioning tube 12 is fixedly arranged outside the mounting holes, which are located outside the connecting plate 6, of the inner wall of the connecting plate 6, the positioning tube 12 wraps the mounting holes of the connecting plate 6 in a ring shape, and one side of the positioning tube 12, which is far away from the mounting holes of the.
In an alternative embodiment, a limiting tube 14 is fixedly arranged at the axis of the inner wall of the connecting plate 6, the limiting tube 14 is communicated with the fixed tube 5, and one end of the limiting tube 14, which is far away from the fixed tube 5, is of a closing structure.
In an alternative embodiment, a disc-shaped pad 13 is adhered to the inner wall of the connecting plate 6, the pad 13 covers the inner wall of the positioning tube 12, and the side of the positioning tube 12 far away from the connecting plate 6 penetrates through the pad 13.
In this embodiment: with connecting plate 6 cover to on external flange, make spacing pipe 14 insert external pipeline in, go into the mounting hole of external flange through swivel connection board 6 with the 12 card of registration arm, realize the butt joint calibration, through running through registration arm 12 with external bolt, accomplish being connected connecting plate 6 and external flange through the external bolt of fastening, make things convenient for people to carry out the piping erection.
A use method of a waterproof drainage device for hydraulic engineering construction comprises the following steps:
s1, adjusting the distance, grasping the connecting pipe 1, rotating the sleeve 4, separating the sleeve 4 from the threaded pipe 11, pulling the fixed pipe 5 to drive the conveying pipe 15 to extend, and adjusting the distance between the connecting plates 6;
s2, mounting a wall surface, namely pushing the connecting disc 2, separating the connecting disc 2 from the limiting rod 3, inserting the connecting pipe 1 into a wall surface mounting hole, connecting the connecting disc 2 with the limiting rod 3, pushing the connecting discs 2 to approach each other until the connecting discs 2 are attached to the wall surface, connecting the connecting discs 2 with the limiting rod 3 through the rotary positioning bolts 10 to complete limiting of the connecting discs 2, and connecting the connecting discs 2 with the wall surface through external bolts;
s3, butting the pipelines, namely sleeving the connecting plate 6 on the external flange, inserting the limiting pipe 14 into the external pipeline, and clamping the positioning pipe 12 into the mounting hole of the external flange by rotating the connecting plate 6 to realize butting calibration;
and S4, connecting the pipeline, namely, penetrating an external bolt through the positioning pipe 12, and fastening the external bolt to complete the connection of the connecting plate 6 and the external flange.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a waterproof drainage device of hydraulic engineering construction, includes connecting pipe (1), its characterized in that: the welding of the both ends of connecting pipe (1) has screwed pipe (11), screwed pipe (11) has sleeve pipe (4) outward, sleeve pipe (4) lateral wall cover is equipped with connection pad (2), sleeve pipe (4) with the connecting face welding of connection pad (2) has gag lever post (3) of annular arrangement, gag lever post (3) embedding in connection pad (2), and with connection pad (2) sliding connection, sleeve pipe (4) inner wall is located one side welding of screwed pipe (11) has bearing (7), bearing (7) internal rotation is connected with fixed pipe (5), the one pot head that extends of fixed pipe (5) the sleeve pipe (4) is equipped with annular structure's connecting plate (6), bearing (7) are kept away from the one end of connecting plate (6) is run through bearing (7) and extend to in sleeve pipe (4), the welding of axle center department of connecting pipe (1) inner wall has hollow structure's installation pipe (9), installation pipe (9) with fixed being equipped with a plurality of conveyer pipes (15) between fixed pipe (5), just fixed connection between conveyer pipe (15).
2. The hydraulic engineering construction waterproof and drainage device of claim 1, wherein: the limiting rod (3) is of a T structure, and the outer side wall of the limiting rod (3) is attached to the inner wall of the connecting disc (2).
3. The hydraulic engineering construction waterproof and drainage device of claim 1, wherein: one side of the limiting rod (3) far away from the sleeve (4) is provided with a transverse notch, and a positioning bolt (10) is screwed in the notch of the limiting rod (3).
4. The hydraulic engineering construction waterproof and drainage device of claim 1, wherein: the sleeve (4) with the annular indent notch has been seted up to the connection face of screwed pipe (11), just screw thread has in the notch of sleeve (4), the notch inner wall of sleeve (4) with the outer wall thread engagement of screwed pipe (11).
5. The hydraulic engineering construction waterproof and drainage device of claim 1, wherein: the conveying pipes (15) are connected in a tail-ending manner to form a continuous corrugated structure, and a hoop (8) with an annular structure is arranged between the conveying pipes (15) and is fixedly connected with the hoop (8).
6. The hydraulic engineering construction waterproof and drainage device of claim 1, wherein: the inner wall of the sleeve (4) is attached to the outer side wall of the fixed pipe (5).
7. The hydraulic engineering construction waterproof and drainage device of claim 1, wherein: keep away from connecting plate (6) one side cross-section of fixed pipe (5) is C shape structure, connecting plate (6) inner wall is located the mounting hole that the annular was arranged is seted up to fixed pipe (5) outer position department, connecting plate (6) inner wall is located the mounting hole external fixation of connecting plate (6) is equipped with registration arm (12), registration arm (12) are the annular will the mounting hole cladding of connecting plate (6), just registration arm (12) are kept away from one side of connecting plate (6) mounting hole is the inward contraction design.
8. The hydraulic engineering construction waterproof and drainage device of claim 7, wherein: the axle center department of connecting plate (6) inner wall is fixed to be equipped with spacing pipe (14), spacing pipe (14) with fixed pipe (5) intercommunication, just spacing pipe (14) are kept away from the one end of fixed pipe (5) is binding off the structure.
9. The hydraulic engineering construction waterproof and drainage device of claim 7, wherein: the inner wall of the connecting plate (6) is bonded with a base plate (13) with a wafer structure, the inner wall of the positioning tube (12) is coated by the base plate (13), and one side, far away from the connecting plate (6), of the positioning tube (12) penetrates through the base plate (13).
10. A method of using the waterproof and drainage device for hydraulic engineering construction according to any one of claims 1 to 9, comprising the steps of:
s1, adjusting the distance, grasping the connecting pipe (1), rotating the sleeve (4), separating the sleeve (4) from the threaded pipe (11), pulling the fixed pipe (5) to drive the conveying pipe (15) to extend, and adjusting the distance between the connecting plates (6);
s2, installing a wall surface, namely pushing the connecting disc (2), separating the connecting disc (2) from the limiting rod (3), inserting the connecting pipe (1) into the wall surface installation hole, connecting the connecting disc (2) with the limiting rod (3), pushing the connecting discs (2) to approach each other until the connecting disc (2) is attached to the wall surface, connecting the connecting disc (2) with the limiting rod (3) through the rotary positioning bolt (10), completing the limiting of the connecting disc (2), and connecting the connecting disc (2) with the wall surface through the external bolt;
s3, butting pipelines, namely sleeving a connecting plate (6) on an external flange, inserting a limiting pipe (14) into the external pipeline, and clamping a positioning pipe (12) into a mounting hole of the external flange by rotating the connecting plate (6) to realize butting calibration;
and S4, connecting the pipeline, namely, penetrating an external bolt through the positioning pipe (12), and fastening the external bolt to complete the connection of the connecting plate (6) and the external flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720679.7A CN111677942B (en) | 2020-07-24 | 2020-07-24 | Waterproof drainage device for hydraulic engineering construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720679.7A CN111677942B (en) | 2020-07-24 | 2020-07-24 | Waterproof drainage device for hydraulic engineering construction |
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| CN111677942A true CN111677942A (en) | 2020-09-18 |
| CN111677942B CN111677942B (en) | 2024-05-17 |
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| EP0246219A1 (en) * | 1986-05-15 | 1987-11-19 | "Poloplast" Kunststoffwerk der Knoch, Kern & Co., OHG | Throughpass for a pipe |
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| CN211063272U (en) * | 2019-12-27 | 2020-07-21 | 宜兴华源电工设备有限公司 | Anticorrosive type wall bushing |
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| Publication number | Publication date |
|---|---|
| CN111677942B (en) | 2024-05-17 |
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