CN214466743U - Pipeline structure convenient to online change - Google Patents
Pipeline structure convenient to online change Download PDFInfo
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- CN214466743U CN214466743U CN202120586009.0U CN202120586009U CN214466743U CN 214466743 U CN214466743 U CN 214466743U CN 202120586009 U CN202120586009 U CN 202120586009U CN 214466743 U CN214466743 U CN 214466743U
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Abstract
A pipeline structure convenient for on-line replacement comprises a pipe fitting and a cut-off device, wherein the pipe fitting consists of an inner pipe and an outer pipe, the inner pipe and the outer pipe are sleeved and form an annular cavity between the inner pipe and the outer pipe, and two ends of the cavity are sealed by plugging rings; the cut-off device is arranged between two adjacent sections of pipe fittings; the cut-off equipment adopts a hollow cylindrical structure body, the end faces of two ends of the cut-off equipment are provided with semicircular holes, two cut-off plates are arranged in the cut-off equipment, the two cut-off plates are fixedly connected through a rotating shaft, the rotating shaft is arranged on the central axis of the cut-off equipment, one end of the rotating shaft extends out of the cut-off equipment, and one end of the rotating shaft positioned outside the cut-off equipment is provided with a rotating wheel; and a drainage joint is arranged on the side wall of the cut-off device. By adopting the structure, the broken pipeline segments can be replaced and overhauled on the premise of ensuring the continuity of pipeline water delivery, the smooth operation of power generation production is ensured, and the problem of shutdown and production stoppage caused by pipeline replacement and overhaul is reduced.
Description
Technical Field
The utility model relates to a pipeline overhauls the field, and specific is a pipeline structure convenient to online change.
Background
At present, a pipeline is used as main equipment for liquid conveying, the utilization rate of the pipeline in a hydropower station is high, and due to the fact that only one layer of the conventional pipeline is arranged, when the pipeline is damaged and leaked, the pipeline needs to be damaged and repaired in time, and production interruption caused by pipeline replacement can cause great loss during full-load power generation of a unit in a flood season.
Disclosure of Invention
The utility model aims to solve the technical problem that a pipeline structure convenient to online change is provided, can change the maintenance to broken pipeline segment section under the prerequisite of guarantee pipeline water delivery continuity, guarantee going on smoothly of power generation production operation, reduce and overhaul the shutdown problem that leads to because of the pipeline is changed.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a pipeline structure convenient for on-line replacement comprises a pipe fitting and a cut-off device, wherein the pipe fitting consists of an inner pipe and an outer pipe, the inner pipe and the outer pipe are sleeved and form an annular cavity between the inner pipe and the outer pipe, and two ends of the cavity are sealed by plugging rings;
the cut-off device is arranged between two adjacent sections of pipe fittings;
the intercepting device adopts a hollow cylindrical structure body with the same inner diameter as that of the pipe fitting, the end faces of the two ends of the intercepting device are respectively provided with a first semicircular hole and a second semicircular hole, the first semicircular hole and the second semicircular hole are arranged on the two sides of the central line of the section of the intercepting device in a central symmetry manner, two intercepting plates are arranged in the intercepting device, the two intercepting plates are fan-shaped, the central angle is larger than 180 degrees and smaller than 270 degrees, the two intercepting plates are respectively attached to the inner walls of the end faces of the two ends of the intercepting device and are fixedly connected through a rotating shaft, the rotating shaft is arranged on the central axis of the intercepting device, one end of the rotating shaft extends out of the intercepting device, and one end of the rotating shaft positioned outside the intercepting device is provided with a rotating wheel;
the side wall of the cut-off equipment is provided with a drainage joint which is communicated with the inner cavity of the cut-off equipment.
In a preferred scheme, a window is arranged on the wall of the outer tube.
In the preferred scheme, the circle center of one end face of the cut-off device is provided with a shaft hole for the rotating shaft to pass through, and the circle center of the inner wall of the other end face of the cut-off device is provided with a groove for fixing one end of the rotating shaft.
In the preferred scheme, two annular grooves are arranged on the inner side wall of the cut-off device, the two annular grooves are respectively arranged close to the first semicircular hole and the second semicircular hole, and the outer edges of the two cut-off plates are respectively arranged in the two annular grooves.
In a preferred embodiment, the drainage connection is arranged on the side wall of the shut-off device between the two annular grooves.
In a preferable scheme, a valve is arranged on the drainage joint.
In the preferred scheme, the two ends of the cut-off device are provided with flange plates used for connecting pipe fittings, the flange plates in the same end direction with the rotating wheel are provided with lugs, the thickness of the lugs is the same as that of the rotating wheel, and the quantity of the lugs is the same as that of connecting bolts used for connecting the pipe fittings and the cut-off device.
In a preferred scheme, the rotating wheel is composed of an inner annular part and an outer annular part, the inner annular part and the outer annular part are connected through a plurality of connecting rods which are uniformly distributed, and the inner annular part is fixed on the rotating shaft.
The utility model provides a pipeline structure convenient to change on line has following beneficial effect:
(1) by adopting the double-layer pipe structure, when the key is damaged, the normal conveying of the pipe can be ensured in the external environment without leakage, and the shutdown and production halt are avoided;
(2) the cooperation cut-off equipment can carry out the online change of damaged pipe fitting and overhaul the processing, under the prerequisite of guaranteeing the normal clear of water delivery operation, can realize the change maintenance operation of damaged pipeline.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the sectional structure of the water pipe of the present invention.
Fig. 2 is the overall structure schematic diagram of the intercepting device of the present invention.
Fig. 3 is a schematic view of the external casing structure of the intercepting apparatus of the present invention.
Fig. 4 is a schematic view of the structure of the shutoff plate and the runner inside the shutoff device of the present invention.
In the figure: the drainage device comprises an inner pipe 1, an outer pipe 2, a cavity 3, a plugging ring 4, a window 5, a cut-off device 6, a first semicircular hole 7, a second semicircular hole 8, a shaft hole 9, a groove 10, a drainage joint 11, a valve 12, an annular groove 13, a flange plate 14, a lug 15, a cut-off plate 16, a rotating shaft 17, a rotating wheel 18, an inner annular part 181, an outer annular part 182, a connecting rod 183 and a drainage hose 19.
Detailed Description
Example 1:
as shown in fig. 1, a pipeline structure convenient for online replacement comprises a pipe fitting and a cut-off device 6, wherein the pipe fitting is composed of an inner pipe 1 and an outer pipe 2, the inner pipe 1 is sleeved with the outer pipe 2, an annular cavity 3 is formed between the inner pipe 1 and the outer pipe 2, and two ends of the cavity 3 are sealed by plugging rings 4;
the cut-off device 6 is arranged between two adjacent sections of pipe fittings;
in a preferable scheme, a window 5 is arranged on the pipe wall of the outer pipe 2.
Example 2:
as shown in fig. 2-4, on the basis of embodiment 1, the cut-off device 6 is a hollow cylindrical structure having an inner diameter the same as that of the pipe fitting, the end faces of both ends of the cut-off device 6 are respectively provided with a first semicircular hole 7 and a second semicircular hole 8, the first semicircular hole 7 and the second semicircular hole 8 are arranged on both sides of the center line of the cross section of the cut-off device 6 in a central symmetry manner, two cut-off plates 16 are arranged in the cut-off device 6, the two cut-off plates 16 are fan-shaped, the central angle of each cut-off plate 16 is greater than 180 ° and smaller than 270 °, the two cut-off plates 16 are respectively attached to the inner walls of the end faces of both ends of the cut-off device 6, the two cut-off plates 16 are fixedly connected through a rotating shaft 17, the rotating shaft 17 is arranged on the central axis of the cut-off device 6, one end of the rotating shaft 17 extends out of the cut-off device 6, and one end of the rotating shaft 17 positioned outside the cut-off device 6 is provided with a rotating wheel 18;
the side wall of the cut-off equipment 6 is provided with a drainage joint 11, and the drainage joint 11 is communicated with the inner cavity of the cut-off equipment 6.
In the preferred scheme, the center of a circle of an end face of one end of the cut-off device 6 is provided with a shaft hole 9 for the rotating shaft 17 to pass through, and the center of a circle of an inner wall of an end face of the other end of the cut-off device is provided with a groove 10 for fixing one end of the rotating shaft 17.
Example 3:
on the basis of the embodiment 2, two annular grooves 13 are formed in the inner side wall of the cut-off device 6, the two annular grooves 13 are respectively arranged close to the first semicircular hole 7 and the second semicircular hole 8, and the outer edges of the two cut-off plates 16 are respectively arranged in the two annular grooves 13.
In a preferred embodiment, the tapping connection 11 is arranged on the side wall of the shut-off device 6 between two annular grooves 13.
In a preferred scheme, a valve 12 is arranged on the drainage joint 11.
Example 4:
on the basis of embodiment 2, two ends of the cut-off device 6 are provided with flange plates 14 for connecting pipe fittings, the flange plates 14 on the same end direction with the rotating wheels 18 are provided with convex blocks 15, the thickness of the convex blocks 15 is the same as that of the rotating wheels 18, and the number of the convex blocks 15 is the same as that of connecting bolts for connecting the pipe fittings and the cut-off device 6.
In this example, the projection 15 is designed as a fan-shaped block structure, and the concave arc surface of the projection forms a joint with the runner 18.
Example 5:
on the basis of the example 1, the method comprises the following steps of,
in a preferred embodiment, the rotating wheel 18 is composed of an inner annular member 181 and an outer annular member 182, the inner annular member 181 and the outer annular member 182 are connected by a plurality of connecting rods 183 arranged uniformly, and the inner annular member 181 is fixed on the rotating shaft 17.
By adopting the structure, the water flow can pass through the gap between the inner annular part 181 and the outer annular part 182, and the water delivery work is smoothly completed.
Claims (8)
1. The utility model provides a pipeline structure convenient to online change which characterized in that: the pipe fitting comprises a pipe fitting and a cut-off device (6), wherein the pipe fitting consists of an inner pipe (1) and an outer pipe (2), the inner pipe (1) is sleeved with the outer pipe (2) and an annular cavity (3) is formed between the inner pipe (1) and the outer pipe (2), and the two ends of the cavity (3) are sealed by plugging rings (4);
the intercepting device (6) is arranged between two adjacent sections of pipe fittings;
the cut-off device (6) adopts a hollow cylindrical structure body with the same inner diameter as that of the pipe fitting, the end surfaces of the two ends of the cut-off device (6) are respectively provided with a first semicircular hole (7) and a second semicircular hole (8), the first semicircular hole (7) and the second semicircular hole (8) are arranged on two sides of the section center line of the cut-off device (6) in a central symmetry way, two intercepting plates (16) are arranged in the intercepting device (6), the two intercepting plates (16) are fan-shaped, the central angle is larger than 180 degrees and smaller than 270 degrees, the two intercepting plates (16) are respectively attached to the inner walls of the end faces of the two ends of the intercepting device (6) and are fixedly connected through a rotating shaft (17), the rotating shaft (17) is arranged on the central axis of the intercepting device (6), one end of the rotating shaft (17) extends out of the intercepting device (6), and one end of the rotating shaft (17) positioned outside the intercepting device (6) is provided with a rotating wheel (18);
the side wall of the cut-off equipment (6) is provided with a drainage joint (11), and the drainage joint (11) is communicated with the inner cavity of the cut-off equipment (6).
2. A piping structure for facilitating on-line replacement according to claim 1, wherein: and a window (5) is arranged on the wall of the outer tube (2).
3. A piping structure for facilitating on-line replacement according to claim 1, wherein: the cut-off equipment (6) wherein one end face centre of a circle department is equipped with shaft hole (9) that supplies pivot (17) to pass, another end face inner wall centre of a circle department is equipped with recess (10) that are used for fixed pivot (17) one end.
4. A piping structure for facilitating on-line replacement according to claim 1, wherein: the inner side wall of the cut-off device (6) is provided with two annular grooves (13), the two annular grooves (13) are respectively arranged close to the first semicircular hole (7) and the second semicircular hole (8), and the outer edges of the two cut-off plates (16) are respectively arranged in the two annular grooves (13).
5. A tubing arrangement for facilitating on-line replacement according to claim 4, wherein: the drainage joint (11) is arranged on the side wall of the cut-off device (6) between the two annular grooves (13).
6. A piping structure for facilitating on-line replacement according to claim 1, wherein: and a valve (12) is arranged on the drainage joint (11).
7. A piping structure for facilitating on-line replacement according to claim 1, wherein: intercepting equipment (6) both ends be equipped with flange plate (14) that are used for connecting the pipe fitting, be equipped with lug (15) with flange plate (14) on runner (18) the same end direction, the thickness of lug (15) is the same with runner (18) thickness, lug (15) quantity is the same with the connecting bolt quantity that is used for connecting pipe fitting and intercepting equipment (6).
8. A piping structure for facilitating on-line replacement according to claim 1, wherein: the rotating wheel (18) is composed of an inner annular part (181) and an outer annular part (182), the inner annular part (181) and the outer annular part (182) are connected through a plurality of connecting rods (183) which are uniformly distributed, and the inner annular part (181) is fixed on the rotating shaft (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120586009.0U CN214466743U (en) | 2021-03-23 | 2021-03-23 | Pipeline structure convenient to online change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120586009.0U CN214466743U (en) | 2021-03-23 | 2021-03-23 | Pipeline structure convenient to online change |
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| Publication Number | Publication Date |
|---|---|
| CN214466743U true CN214466743U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120586009.0U Active CN214466743U (en) | 2021-03-23 | 2021-03-23 | Pipeline structure convenient to online change |
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| CN (1) | CN214466743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963631A (en) * | 2021-03-23 | 2021-06-15 | 中国长江电力股份有限公司 | Pipeline structure convenient for online replacement and online replacement method |
-
2021
- 2021-03-23 CN CN202120586009.0U patent/CN214466743U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963631A (en) * | 2021-03-23 | 2021-06-15 | 中国长江电力股份有限公司 | Pipeline structure convenient for online replacement and online replacement method |
| CN112963631B (en) * | 2021-03-23 | 2022-04-19 | 中国长江电力股份有限公司 | Pipeline structure convenient for online replacement and online replacement method |
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