CN113680124B

CN113680124B - Water conservancy pipeline

Info

Publication number: CN113680124B
Application number: CN202110974071.1A
Authority: CN
Inventors: 黄其彪; 江仁施; 方金辉; 林蓉; 魏秉杰
Original assignee: Singapore Fujian Water Conservancy And Hydropower Engineering Co ltd
Current assignee: Singapore Fujian Water Conservancy And Hydropower Engineering Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-07-12
Anticipated expiration: 2041-08-24
Also published as: CN113680124A

Abstract

The application discloses a water conservancy pipeline, which relates to the technical field of water conservancy engineering and comprises a pipe body, wherein one end of the pipe body is a water inlet end, the other end of the pipe body is a water outlet end, a filter plate is arranged in the pipe body, the outer wall of the pipe body is coaxially and rotatably provided with a rotating ring, a positioning piece for positioning the rotating ring is arranged on the pipe body, a yielding port is formed in the upper side wall of the pipe body, a blanking port is formed in the lower side wall of the pipe body, an installation cylinder capable of being communicated with the yielding port is arranged on the outer wall of the rotating ring, a collection cylinder capable of being communicated with the blanking port is arranged on the rotating ring, and when the installation cylinder is coincident with the yielding port, the collection cylinder is coincident with the yielding port; the collecting cylinder can be dismantled and be provided with the closing cap, the installation section of thick bamboo can be dismantled near one side of inlet tube and be connected with and tear the board open. The garbage cleaning device has the effect of cleaning garbage in the pipe body under the condition of not stopping water.

Description

Water conservancy pipeline

Technical Field

The application relates to the technical field of hydraulic engineering, in particular to a water conservancy pipeline.

Background

At present, surface water or underground water and the like are generally required to be allocated in hydraulic engineering, and the water is guided to a required place through a water conservancy pipeline and the like, so that the requirement on water resources is met.

The current chinese utility patent document with publication number CN204589926U discloses a water conservancy pipeline, including the pipeline body, the one end of pipeline body is the inlet opening, and the other end has the apopore, and this internal first filter screen that still installs of pipeline is arranged in intercepting the rubbish in the water, still is provided with the clearance chamber in the bottom of first filter screen on the lateral wall of pipeline body to can dismantle and be provided with sealed lid, rubbish in the pipeline body is piled up in the clearance chamber, will seal the lid and open when needing to clear up and can clear up.

In view of the above related technologies, the inventor thinks that the above solution needs to be performed only by shutting off the water source when the garbage in the pipeline needs to be cleaned, which is likely to affect the water consumption at the downstream position of the pipeline.

Disclosure of Invention

In order not to need to close the water source and can clear up the rubbish in the pipeline, this application provides a water conservancy pipeline.

The application provides a water conservancy pipeline adopts following technical scheme:

a water conservancy pipeline comprises a pipe body, wherein one end of the pipe body is a water inlet end, the other end of the pipe body is a water outlet end, a filter plate is arranged in the pipe body, a rotating ring is coaxially arranged on the outer wall of the pipe body in a rotating mode, a positioning piece used for positioning the rotating ring is arranged on the pipe body, a position-giving opening is formed in the upper side wall of the pipe body, a blanking opening is formed in the lower side wall of the pipe body, an installation cylinder capable of being communicated with the position-giving opening is arranged on the outer wall of the rotating ring, a collection cylinder capable of being communicated with the blanking opening is arranged on the rotating ring, and when the installation cylinder and the position-giving opening are coincident, the collection cylinder and the blanking opening are coincident; the collecting cylinder is detachably provided with a sealing cover, and one side of the mounting cylinder, which is close to the water inlet pipe, is detachably connected with a detaching plate;

a sliding cylinder is connected in the mounting cylinder in an up-and-down sliding manner, the sliding cylinder comprises a horizontal plate and vertical plates connected to two ends of the horizontal plate, the lower ends of the vertical plates are hinged with arc plates, the arc openings of the two arc plates are oppositely arranged, the upper surface of the horizontal plate is provided with a plurality of vertical rods, the upper ends of the vertical rods are connected to the same abutting plate, the inner wall of the mounting cylinder is provided with a step edge, and when the lower surface of the abutting plate abuts against the upper surface of the step edge, the arc plates are both positioned in the pipe body; the lower extreme of arc all articulates there is the connecting plate, two the one end that the connecting plate is close to is articulated together each other, threaded connection has the screw rod on the horizontal plate, the butt board is worn to establish by the upper end of screw rod, the lower extreme of screw rod extends between two arcs, the lower extreme of screw rod rotates and is connected with the turning block, be provided with two branches on the turning block, the one end that the turning block was kept away from to branch articulates respectively on adjacent connecting plate, works as when the screw rod is to the direction screw motion of body inner chamber, the connecting plate can drive the arc and support tightly on the inner wall of body, set up the drive on the outer wall of screw rod and support the tight piece that supports on the ladder edge, two enclose between arc and two connecting plates and synthesize the chamber that holds that is used for intercepting rubbish, just be provided with the interception net between arc and the connecting plate.

By adopting the technical scheme, when in use, the arc-shaped plates and the connecting plate are positioned in the inner cavity of the pipe body, the screw rod can drive one side of the two arc-shaped plates which is deviated from the inner wall of the pipe body to abut against the inner wall of the pipe body after moving downwards, at the moment, the accommodating cavity can intercept some floating garbage in water in the pipe body, so that the garbage with larger buoyancy is intercepted by the intercepting net, some heavier garbage in water can be deposited at a blanking port and accumulated in the collecting cylinder, when the collected garbage needs to be cleaned, the screw rod is rotated to enable the screw rod to move upwards, the connecting part of the connecting plate moves upwards to drive the arc-shaped plates to rotate relatively, when the arc-shaped plates are positioned on the sliding path of the sliding cylinder, the sliding cylinder slides upwards to enable the arc-shaped plates to be separated from the pipe body, the positioning effect on the rotating ring is relieved, then the rotating ring is rotated to enable the mounting cylinder and the abdicating port to be staggered, the collecting cylinder and the blanking opening are staggered, so that the garbage in the mounting cylinder and the collecting cylinder can be cleaned without closing an upstream water source, and the inner wall of the rotating ring can cover the position opening and the blanking opening, so that the garbage is not easy to leak when cleaned.

Optionally, the abutting piece comprises an abutting block in threaded connection with the side wall of the upper end of the screw rod, and the abutting block can abut against the upper surface of the abutting plate.

Through adopting above-mentioned technical scheme, rotate the screw rod and make the arc support tightly on the inner wall of body, then rotate the tight piece that supports for the butt plate supports tightly on the ladder is followed, thereby fixes a position the arc.

Optionally, two convex rings are coaxially arranged on the outer wall of the pipe body, a sliding groove is formed in one side, opposite to the convex rings, of the convex rings, and two ends of the rotating ring are slidably connected into the sliding groove.

Through adopting above-mentioned technical scheme, the rotating ring rotates to be connected in the sliding tray to make the rotating ring can prolong the circumferential direction rotation of body.

Optionally, the positioning element includes a positioning bolt in threaded connection with the surface of the convex ring, and the positioning screw can be abutted against the surface of the rotating ring.

Through adopting above-mentioned technical scheme, positioning bolt supports tightly in the rotating ring, can fix a position the rotating ring through positioning bolt promptly, and the location is convenient.

Optionally, a butt edge is arranged on the inner wall of the mounting cylinder, when the screw moves upwards, the arc-shaped plates can be driven to rotate towards the space between the two arc-shaped plates, and when the arc-shaped plates are all located on the extending path of the sliding cylinder, the sliding cylinder slides upwards to drive the connecting plate and the arc-shaped plates to move upwards together, the butt edge is of a structure matched with the arc-shaped plates and the connecting plate, so that the arc-shaped plates and the connecting plate can be tightly abutted to the butt edge, the butt edge is provided with a magnet, and the connecting plate is made of a material capable of being adsorbed to the magnet.

Through adopting above-mentioned technical scheme, when needing to clear up, rotate the screw rod and make arc and connecting plate be close to each other and accomodate, then upwards slide the sliding barrel, can be with the rubbish upward movement together that the drive was accomodate, then arc and connecting plate can the butt on the butt edge for arc and connecting plate can cover in the installation section of thick bamboo inner chamber, then loosen positioning bolt soon, can be with the rotation swivel, make the installation section of thick bamboo stagger with the mouth of stepping down mutually.

Optionally, a plurality of screws are connected to the detaching plate and the sealing cover in a threaded manner.

Through adopting above-mentioned technical scheme, tear board and closing cap and pass through the screw and can dismantle the connection, easy to assemble and dismantlement.

Optionally, the lower surface of tearing open one side of board towards the installation section of thick bamboo and butt joint board all is provided with the sealing washer.

Through adopting above-mentioned technical scheme, improve and tear the leakproofness of board installation after on the installation section of thick bamboo open.

Optionally, be provided with the hollow seat in inside on the body inner wall, sliding connection has the apron in the hollow seat, the apron rotates along the circumferential direction of body, still be provided with the spring that is used for driving the apron roll-off in the hollow seat for the apron can cover the blanking mouth, threaded connection has the locating lever on the closing cap, the upper end of locating lever can be pegged graft in the lower surface of apron.

Through adopting above-mentioned technical scheme, at ordinary times, the locating lever is pegged graft and is made the chimney and the blanking mouth coincidence in the shroud then rotate the chimney, can compress the shroud in hollow seat under the effect of locating lever this moment, when needing to clear up, breaks away from the locating lever from the shroud out, then can make the shroud lid fit the blanking mouth under the spring action of spring, can fall into in the blanking mouth with silt etc. influence the rotation of rotating ring.

In summary, the present application includes at least one of the following benefits:

1. the rotating ring is rotated to drive the collecting barrel and the mounting barrel to rotate, the mounting barrel and the abdicating opening are staggered, and the collecting barrel and the blanking opening are staggered, so that garbage can be cleaned without stopping water;

2. when carrying out rubbish clearance, the apron can cover in the blanking mouth, reduces the rubbish in this in-process water and piles up in the blanking mouth, reduces it and causes the influence to the rotation of rotating ring.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an exploded view of an embodiment of the present application;

FIG. 3 is an exploded view of the mounting cartridge of the embodiment of the subject application;

FIG. 4 is an exploded view of the sliding barrel and the mounting barrel in the embodiment of the present application;

FIG. 5 is a schematic view of the connection plate abutting against the abutting edge;

figure 6 is an exploded schematic view of the cover.

Description of the reference numerals: 1. a tube body; 101. a water inlet end; 102. a water outlet end; 2. a filter plate; 3. a rotating ring; 4. a positioning member; 5. a let position port; 6. a blanking port; 7. mounting the cylinder; 8. a collection canister; 9. sealing the cover; 10. disassembling the plate; 11. a sliding cylinder; 111. a horizontal plate; 112. a vertical plate; 12. erecting a rod; 13. a butt joint plate; 14. a step edge; 15. an arc-shaped plate; 16. a connecting plate; 17. a screw; 18. rotating the block; 19. a strut; 20. an abutting piece; 201. a propping block; 21. an intercepting net; 22. a convex ring; 23. a sliding groove; 24. an abutting edge; 25. a screw; 26. a hollow seat; 27. a cover plate; 28. a spring; 29. positioning a rod; 30. and (4) a bump.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses water conservancy pipeline. Referring to fig. 1, the water conservancy pipeline includes into water end 101, and the other end is for going out water end 102, still installs filter 2 in the body 1, and filter 2 can be used for intercepting the rubbish in the water.

Referring to fig. 1 and 2, a rotating ring 3 is rotatably connected to the outer wall of the tube body 1, and the rotating ring 3 and the tube body 1 are coaxially disposed. Seted up on the upside outer wall of body 1 and let a mouthful 5, seted up blanking mouth 6 on the lower lateral wall of body 1, blanking mouth 6 is located the below of letting a mouthful 5, and blanking mouth 6 and let a mouthful 5 upstream position department that all is located filter 2. Install installation section of thick bamboo 7 and surge drum 8 on the outer wall of swivel ring 3, installation section of thick bamboo 7 and surge drum 8 are inside hollow structure, and correspond the position of installation section of thick bamboo 7 and surge drum 8 on the swivel ring 3 and all seted up the opening to make installation section of thick bamboo 7 can with let a mouthful 5 coincide mutually, the opening of surge drum 8 can coincide with blanking mouth 6 mutually, and when installation section of thick bamboo 7 with let a mouthful 5 coincide, surge drum 8 and blanking mouth 6 coincide mutually.

Referring to fig. 2, coaxial two bulge loops 22 of being fixed with on the outer wall of body 1, sliding tray 23 has all been seted up to the one side that bulge loop 22 is relative, and sliding tray 23 extends along bulge loop 22's circumferential direction, and the both sides of swivel becket 3 are located sliding tray 23 respectively to make swivel becket 3 can form swivelling joint in sliding tray 23, and then realize swivel becket 3 and rotate and connect on the outer wall of body 1. Further, still be provided with on body 1 and be used for carrying out the setting element 4 that fixes a position to swivel becket 3, setting element 4 includes the positioning bolt of threaded connection on the 3 outer walls of swivel becket, and positioning bolt's tip can extend in sliding tray 23 and support tightly on the lateral wall of swivel becket 3 to can fix a position swivel becket 3 through positioning bolt. Heavier rubbish or debris etc. in the water can deposit to pile up in the surge drum 8 through blanking mouth 6, the lower extreme of surge drum 8 can be dismantled and be connected with closing cap 9, threaded connection has a plurality of screws 25 on the closing cap 9, closing cap 9 passes through screw 25 demountable installation, when needing to clear up the debris in the surge drum 8, remove positioning bolt to the tight effect of supporting of swivel ring 3, then rotate swivel ring 3, make surge drum 8 and blanking mouth 6 stagger each other, thereby can clear up surge drum 8.

Referring to fig. 3 and 4, the mounting cylinder 7 includes a detachable plate 10, a plurality of screws 25 are also screwed on the detachable plate 10, and the detachable plate 10 is detachably connected to the mounting cylinder 7 through the screws 25. Still have a sliding barrel 11 from top to bottom sliding connection in the installation section of thick bamboo 7, sliding barrel 11 is including horizontal plate 111 to and be fixed in the vertical board 112 of horizontal plate 111 both ends lower surface, and when sliding barrel 11 slided from top to bottom in installation section of thick bamboo 7, vertical board 112 can butt on the inner wall of installation section of thick bamboo 7, and two vertical boards 112 are located the both sides of rivers direction. Vertical rods 12 are further fixed at four corners of the upper surface of the horizontal plate 111, abutting plates 13 are fixed at the upper ends of the vertical rods 12, and the vertical rods 12 are fixed on the lower surface of the same abutting plate 13. The inner wall of the mounting tube 7 is provided with a step edge 14, and the abutting plate 13 can abut against the step edge 14.

Referring to fig. 3 and 4, the lower ends of the two vertical plates 112 are hinged to the arc plates 15 through pins and the like, the arcs of the two arc plates 15 are arranged oppositely, one ends, far away from the connected vertical plates 112, of the arc plates 15 are hinged to the connecting plate 16, and the ends, far away from the arc plates 15, of the connecting plate 16 are hinged to each other. The horizontal plate 111 is further connected with a screw 17 in a threaded manner, one end of the screw 17 extends into the cavity of the sliding cylinder 11, and the upper end of the screw 17 penetrates through the abutting plate 13 and is provided with a part extending out of the upper surface of the abutting plate 13. The lower extreme of screw rod 17 rotates and is connected with turning block 18, and it has two branches 19 to articulate on turning block 18, and two branches 19 and connecting plate 16 one-to-one and the one end that turning block 18 was kept away from to branch 19 articulate on connecting plate 16, when screw rod 17 rotary motion, can drive connecting plate 16 motion to drive arc 15 motion. When screw 17 moves down, can drive the lateral wall of arc 15 and support tightly on the inner wall of body 1 to when butt plate 13 supports tightly on 14 lateral walls of ladder, arc 15 supports tightly on body 1 inner wall. Further, still be provided with drive abutting plate 13 on screw 17's the outer wall and support the piece 20 that supports tightly on ladder edge 14, support tight piece 20 and include the piece 201 that supports tightly of threaded connection on screw 17 lateral wall, support tight piece 201 and can support tightly in the upper surface of abutting plate 13, when the arc 15 butt on 1 inner wall of body, and abutting plate 13 supports tightly on ladder edge 14, rotate again and support tight piece 201 and make and support tight piece 201 and support tightly in the surface of abutting plate 13 to fix a position abutting plate 13.

Referring to fig. 1 and 3, when the abutting plate 13 abuts against the step edge 14, the arc-shaped plates 15 and the connecting plate 16 are both located in the pipe body 1, a containing cavity for intercepting garbage is enclosed between the two arc-shaped plates 15 and the connecting plate 16, an intercepting net 21 is further installed between the arc-shaped plates 15 and the connecting plate 16, the upper end of the intercepting net 21 is connected to the lower surface of the horizontal plate 111, some floating garbage in the water body can flow into the space between the arc-shaped plates 15 and the connecting plate 16 and is intercepted by the intercepting net 21, and when the garbage is required to be cleaned, the whole sliding cylinder 11 is taken out, so that the garbage can be cleaned away.

Referring to fig. 4 and 5, an abutting edge 24 is provided on the inner wall of the lower end of the mounting cylinder 7, the screw 17 is rotated to move the screw 17 upward, the arc 15 and the connecting plate 16 can be driven to rotate toward the space between the arc 15, and when the arc 15 is completely located on the sliding path of the sliding cylinder 11, the size of the opening on the abdicating opening 5 and the rotating ring 3 is the size allowing the arc 15 and the connecting plate 16 to pass through, the sliding cylinder 11 can be slid upward to drive the arc 15 and the connecting plate 16 to move upward, after the arc 15 and the connecting plate 16 slide upward, the arc 15 and the connecting plate 16 can abut against the abutting edge 24, the abutting edge 24 is a structure matched with the arc 15 and the connecting plate 16 after rotating, so that the connecting plate 16 and the arc 15 can be closely attached to the abutting edge 24, and when the arc 15 and the connecting plate 16 abut against the abutting edge 24, both the arc 15 and the web 16 are completely detached from the tubular body 1 so as not to interfere with the rotation of the rotating ring 3. Therefore, when garbage is cleaned, when the sliding barrel 11 is slid upwards to enable the arc-shaped plate 15 and the connecting plate 16 to be abutted against the abutting edge 24, the possibility that water in the pipe body 1 flows out from the abdicating opening 5 can be reduced. Further, in order to make the arc plate 15 and the connecting plate 16 stably abut against the abutting edge 24, a magnet (not shown in the figure) is mounted on a side wall of the abutting edge 24, and the connecting plate 16 and the arc plate 15 are made of a material capable of attracting the magnet.

Referring to fig. 3 and 4, after the sliding cylinder 11 slides upwards and is positioned on the abutting edge 24 through the magnet adsorption, the rotating ring 3 is rotated, so that the inner wall of the rotating ring 3 can cover the allowance opening 5 and the blanking opening 6, the detaching plate 10 is detached, and then the garbage in the sliding cylinder 11 can be cleaned. In order to improve the sealing performance when the mounting cylinder 7 is mounted, the side of the detaching plate 10 facing the mounting cylinder 7 and the lower surface of the abutting plate 13 are provided with sealing rings in an adhering manner.

Referring to fig. 2 and 6, further, an inner hollow seat 26 is fixed on the inner wall of the tube body 1, a cover plate 27 is slidably connected in the hollow seat 26, the cover plate 27 rotates along the circumferential direction of the tube body 1, and when the cover plate 27 slides out of the hollow seat 26, the cover plate 27 can cover the blanking opening 6. A spring 28 is also mounted in the hollow seat 26 for driving the cover plate 27 to slide out of the hollow seat 26, the spring 28 being in a natural state when the cover plate 27 covers the blanking opening 6. The lower surface of the cover plate 27 is also fixed with a downwardly extending projection 30, and the projection 30 can slide in the blanking opening 6. The sealing cover 9 is connected with a positioning rod 29 in a threaded manner, the upper end of the positioning rod 29 can be connected with the lug 30 in a threaded manner, and when the positioning rod 29 is connected with the lug 30 in a threaded manner and the collecting cylinder 8 is positioned below the blanking opening 6, the covering plate 27 is positioned in the hollow seat 26 and the spring 28 is in a compressed state. When rubbish needs to be cleaned, the connection relation between the positioning rod 29 and the lug 30 is removed, the covering plate 27 can slide out under the elastic action of the spring 28 and cover the blanking opening 6, and therefore rubbish in a water body is not prone to falling into the blanking opening 6 in the rubbish cleaning process.

The implementation principle of a water conservancy pipeline of the embodiment of the application is as follows: when the garbage blocking device is used, the arc-shaped plate 15 and the connecting plate 16 are located in the pipe body 1, under the driving action of the screw 17, the arc-shaped plate 15 can abut against the inner wall of the pipe body 1, so that the sliding cylinder 11 cannot slide upwards, and the space formed by the arc-shaped plate 15, the connecting plate 16 and the blocking net 21 can block floating garbage in a water body. The heavier rubbish debris in the water can be piled up in the collecting cylinder 8 through the blanking port 6.

When the garbage needs to be cleaned, the positioning effect of the positioning bolt on the rotating ring 3 is released, so that the rotating ring 3 can rotate, the connection relation between the positioning rod 29 and the covering plate 27 is released, and the covering plate 27 can cover the blanking port 6 under the action of the elastic force of the spring 28; then rotate screw rod 17 for relative rotation of arc 15 and connecting plate 16, then the sliding cylinder 11 that upwards slides, drive arc 15 and connecting plate 16 upward movement, make arc 15 and connecting plate 16 laminate on butt edge 24, arc 15 and connecting plate 16 can reduce the water in the body 1 from the possibility of letting a mouthful 5 outflow, then rotate swivel ring 3, make and let a mouthful 5 and an installation section of thick bamboo 7 dislocation, dismantle down tear down board 10 and can clear up. When the reset is needed, the rotating ring 3 is rotated to enable the positioning rod 29 to be screwed on the covering plate 27, and then the rotating ring 3 is rotated again to drive the covering plate 27 to slide into the hollow seat 26, so that the blanking opening 6 is opened again.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a water conservancy pipeline, includes body (1), body (1) one end is intake end (101), and the other end is for going out water end (102), be provided with filter (2), its characterized in that in body (1): the outer wall of the pipe body (1) is coaxially and rotatably provided with a rotating ring (3), a positioning piece (4) used for positioning the rotating ring (3) is arranged on the pipe body (1), a yielding port (5) is formed in the upper side wall of the pipe body (1), a blanking port (6) is formed in the lower side wall of the pipe body (1), an installation cylinder (7) capable of being communicated with the yielding port (5) is arranged on the outer wall of the rotating ring (3), a collection cylinder (8) capable of being communicated with the blanking port (6) is arranged on the rotating ring (3), and when the installation cylinder (7) is coincident with the yielding port (5), the collection cylinder (8) is coincident with the blanking port (6); the collecting cylinder (8) is detachably provided with a sealing cover (9), and one side of the mounting cylinder (7) close to the water inlet pipe is detachably connected with a dismounting plate (10);

the mounting tube (7) is internally and vertically connected with a sliding tube (11) in a sliding manner, the sliding tube (11) comprises a horizontal plate (111) and vertical plates (112) connected to two ends of the horizontal plate (111), the lower ends of the vertical plates (112) are hinged with arc-shaped plates (15), the arc openings of the two arc-shaped plates (15) are oppositely arranged, a plurality of vertical rods (12) are arranged on the upper surface of the horizontal plate (111), the upper ends of the vertical rods (12) are connected to the same abutting plate (13), a step edge (14) is arranged on the inner wall of the mounting tube (7), and when the lower surface of the abutting plate (13) abuts against the upper surface of the step edge (14), the arc-shaped plates (15) are located in the tube body (1); the lower end of each arc-shaped plate (15) is hinged with a connecting plate (16), two ends of the connecting plates (16) close to each other are hinged together, a screw rod (17) is connected to the horizontal plate (111) in a threaded manner, the upper end of the screw rod (17) penetrates through the abutting plate (13), the lower end of the screw rod (17) extends between the two arc-shaped plates (15), the lower end of the screw rod (17) is rotatably connected with a rotating block (18), two supporting rods (19) are arranged on the rotating block (18), one ends, far away from the rotating block (18), of the supporting rods (19) are respectively hinged to the adjacent connecting plates (16), when the screw rod (17) moves towards the inner cavity of the pipe body (1) in a threaded manner, the connecting plates (16) can drive the arc-shaped plates (15) to abut against the inner wall of the pipe body (1), and abutting pieces (20) which drive the abutting plates (13) to abut against the ladder edges (14) are arranged on the outer wall of the screw rod (17), two enclose between arc (15) and two connecting plates (16) and become the chamber that holds that is used for intercepting rubbish, just be provided with between arc (15) and connecting plate (16) and intercept net (21).

2. A water conservancy pipeline according to claim 1, wherein: the abutting piece (20) comprises an abutting block (201) in threaded connection with the side wall of the upper end of the screw rod (17), and the abutting block (201) can abut against the upper surface of the abutting plate (13).

3. A water conservancy pipeline according to claim 2, wherein: the outer wall of the pipe body (1) is coaxially provided with two convex rings (22), one side, opposite to the convex rings (22), of each convex ring is provided with a sliding groove (23), and two ends of each rotating ring (3) are connected into the sliding grooves (23) in a sliding mode.

4. A water conservancy pipeline according to claim 3, wherein: the positioning piece (4) comprises a positioning bolt in threaded connection with the surface of the convex ring (22), and the positioning screw (17) can abut against the surface of the rotating ring (3).

5. A water conservancy pipeline according to claim 3, wherein: be provided with butt along (24) on the inner wall of installation section of thick bamboo (7), work as during screw rod (17) upward movement, can drive arc (15) and rotate to the space between two arcs (15), and work as when arc (15) all are located the extension route of sliding tube (11), sliding tube (11) upwards slides and drives connecting plate (16) and arc (15) upward movement together, the butt is along (24) for with arc (15), connecting plate (16) matched with structure for arc (15) and connecting plate (16) can support tightly on butt is along (24), the butt is provided with magnet on (24), connecting plate (16) are for can adsorbing the material in magnet.

6. A water conservancy pipeline according to claim 5, wherein: a plurality of screws (25) are connected to the disassembling plate (10) and the sealing cover (9) in a threaded manner.

7. A water conservancy pipeline according to claim 6, wherein: the lower surfaces of one side of the disassembling plate (10) facing the mounting cylinder (7) and the abutting plate (13) are provided with sealing rings.

8. A water conservancy pipeline according to claim 7, wherein: be provided with inside hollow seat (26) on body (1) inner wall, sliding connection has apron (27) in hollow seat (26), the circumferential direction rotation of body (1) is followed in apron (27), still be provided with spring (28) that are used for driving apron (27) roll-off in hollow seat (26) for apron (27) can be covered in blanking mouth (6), threaded connection has locating lever (29) on closing cap (9), the upper end of locating lever (29) can be pegged graft in the lower surface of apron (27).