CN112323731B

CN112323731B - Clean environmental protection is with porous damming structure with adjustable lower mouth of a river

Info

Publication number: CN112323731B
Application number: CN202011234425.0A
Authority: CN
Inventors: 陈晓平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2022-10-21
Anticipated expiration: 2040-11-07
Also published as: CN112323731A

Abstract

The invention discloses a sewer port adjustable porous intercepting structure for cleaning and environmental protection, which comprises a sewer pipeline component and an intercepting component, wherein a sliding groove is processed on the outer surface of a clamping mechanism, the sliding groove is matched with a sliding block, a plurality of groups of large baffles are arranged on the outer surface of a fine filtering plate and are matched with a circulation port, a small baffle is arranged on the outer surface of the fine filtering plate and is arranged at one end close to a water outlet pipe, when intercepting is needed, the sliding block is positioned at the leftmost end of the sliding groove initially, an operator rotates a rotary table at an angle of 45 degrees leftwards, a rotary shaft can drive the sliding block to be positioned at the middle position of the sliding groove, at the moment, the small baffle on the outer surface of a conical piece is positioned at a circulation port, so that the area of the circulation port is reduced, the size of water flow is adjusted, the rotary shaft can drive the sliding block at the rightmost end of the sliding groove by rotating for 45 degrees continuously, at the moment, the large baffle on the outer surface of the conical piece is positioned at the circulation port, the large baffle can completely block the circulation port, and the circulation port, so that the intercepting work can be realized, and the intercepting work can be completed.

Description

Clean environmental protection is with porous damming structure with adjustable lower mouth of a river

Technical Field

The invention relates to the technical field of closure equipment, in particular to a sewage port adjustable type porous closure structure for cleaning and environmental protection.

Background

Closure, also known as plugging, refers to the plugging of a gap left when a river is narrowed to a certain extent during the construction of a cofferdam. The closure mode includes flat closure, vertical closure and mixed closure, during construction diversion, the original river bed water flow is cut off, finally the river water is guided to the drainage structure to drain, and the construction of the main building is carried out in the river bed, namely closure. Interception is part of the work of building transverse cofferdams in riverbeds.

Need install the shutoff structure usually in the mouth of a river down, but current closure equipment can only be with the whole shutoff that carries out of water pipe, unable regulation flow size, and general closure equipment is blockked up by solid residue easily, and it is comparatively troublesome to clear up, and the result of use is not good.

To the above problem, improve current device, provided a porous damming structure with adjustable lower mouth of a river for clean environmental protection.

Disclosure of Invention

The invention aims to provide a sewage outlet adjustable porous interception structure for cleaning and environmental protection, a sliding groove is processed on the outer surface of a clamping mechanism, the sliding groove is matched with a sliding block, a plurality of groups of large baffles are arranged and are arranged on the outer surface of a fine filtering plate and are matched with a circulation port, a small baffle is arranged on the outer surface of the fine filtering plate and is arranged at one end close to a water outlet pipe, when interception is needed, the sliding block is arranged at the leftmost end of the sliding groove initially, an operator rotates a rotary table 45 degrees leftwards, the rotary shaft can drive the sliding block to be arranged at the middle position of the sliding groove, at the moment, the small baffle on the outer surface of a conical piece is arranged at the position of the circulation port, the area of the circulation port is reduced, the water flow is adjusted, the operator continues to rotate 45 degrees leftwards, the rotary shaft can drive the sliding block to be arranged at the rightmost end of the sliding groove, at the moment, the large baffle on the outer surface of the conical piece is arranged at the position of the circulation port, the large baffle can completely block the circulation port, interception can realize interception, namely, interception work is completed, and the problem in the background technology is solved.

In order to achieve the purpose, the invention provides the following technical scheme: a porous interception structure with adjustable clean environmental protection sewer mouth comprises a sewer pipeline component and an interception component, wherein one end of the interception component is arranged inside the sewer pipeline component, the sewer pipeline component comprises a water inlet pipe, an interception shell, a water outlet pipe and a dust collection box, one end of the interception shell is connected with the water inlet pipe, the other end of the interception shell is connected with the water outlet pipe, and the dust collection box is arranged at the lower end of the interception shell;

the intercepting component comprises a rotary disc, a rotary shaft, a clamping mechanism, a protective sleeve, an intercepting piece and an intercepting mechanism, the rotary shaft is fixedly arranged at the lower end of the rotary disc, the rotary shaft penetrates through the clamping mechanism, the protective sleeve, the intercepting piece and the intercepting mechanism and is movably connected with the dust collecting box, the protective sleeve is arranged on the outer surface of the clamping mechanism and is fixedly arranged on the outer surface of the intercepting shell, the intercepting piece is arranged inside the intercepting shell, and the intercepting mechanism is arranged inside the intercepting piece;

the closure piece comprises a circulation pipe and a circulation port, the circulation pipe penetrates through the interior of the closure piece and is provided with a plurality of groups of components which are all conical structures, and the circulation port is arranged on the inner wall of the closure piece;

the interception mechanism comprises a conical piece, a coarse filtering plate and a fine filtering plate, the conical piece is arranged inside the interception piece, the coarse filtering plate and the fine filtering plate are both fixedly arranged on the outer surface of the conical piece, the coarse filtering plate is arranged at one end of the water inlet pipe, and the fine filtering plate is arranged at one end of the water outlet pipe;

the fine filter plate comprises a large baffle and a plurality of groups of small baffles, the large baffles are arranged on the outer surface of the fine filter plate and are matched with the circulation port, and the small baffles are arranged on the outer surface of the fine filter plate and are arranged at one end close to the water outlet pipe;

the conical piece comprises a bump, a slag discharge port and a through hole, the bump is fixedly arranged in the conical piece, the slag discharge port is arranged at the bottom end of the conical piece and is arranged on two sides of the bump, and the through hole is arranged on the outer surface of the slag discharge port and is in penetrating connection with the dust collection box;

the dust collecting box comprises a base and a dredging mechanism, the base is fixedly arranged in the dust collecting box and is in through connection with the rotating shaft, and the dredging mechanism is fixedly arranged in the dust collecting box and is arranged at the lower end of the through hole;

dredge mechanism includes motor, threaded rod, mounting panel, sliding sleeve, thimble and stopper, and motor fixed mounting is in the inside of dust collection box, and the threaded rod is connected with the output of motor, and the internally mounted of mounting panel has the sliding sleeve, and the sliding sleeve screw thread runs through the surface at the threaded rod, and thimble fixed mounting is in the upper end of mounting panel, and with the through-hole phase-match, stopper fixed mounting is in the upper end of mounting panel, and sets up the both ends at the thimble.

Furthermore, the slider is installed to the inner wall of lag.

Furthermore, the outer surface of the clamping mechanism is provided with a sliding groove, and the sliding groove is matched with the sliding block.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention provides a sewage outlet adjustable porous intercepting structure for cleaning and environmental protection, wherein an intercepting piece is arranged inside an intercepting shell, a circulating pipe penetrates through the intercepting piece, a plurality of groups of components which are of conical structures are arranged, a circulating port is arranged on the inner wall of the intercepting piece, an intercepting mechanism is arranged inside the intercepting piece, a coarse filtering plate and a fine filtering plate are fixedly arranged on the outer surface of the conical piece, the coarse filtering plate is arranged at one end of a water inlet pipe, the fine filtering plate is arranged at one end of a water outlet pipe, and running water sequentially passes through the circulating port, the coarse filtering plate, the fine filtering plate, the circulating pipe and the water outlet pipe.

2. The invention provides a sewage outlet adjustable porous cut-off structure for cleaning and environmental protection, which is characterized in that a convex block is fixedly arranged in a conical piece, a slag discharge port is arranged at the bottom end of the conical piece and is arranged at two sides of the convex block, the convex block can prevent solid residues from being accumulated at the bottom end of the conical piece, a through hole is arranged on the outer surface of the slag discharge port and is in through connection with a dust collection box, the solid residues are discharged into the dust collection box along the through hole, a motor is fixedly arranged in the dust collection box, a threaded rod is connected with the output end of the motor, a sliding sleeve is arranged in a mounting plate, the motor drives the threaded rod to rotate, a sliding sleeve thread penetrates through the outer surface of the threaded rod, so that the sliding sleeve can be driven to upwards slide along the threaded rod, an ejector pin is fixedly arranged at the upper end of the mounting plate and is matched with the through hole, the ejector pin penetrates through the through hole, then the motor is driven to reversely rotate, the ejector pin can be far away from the through hole, so that the ejector pin can be repeatedly driven to move up and down, the through hole can be dredged, the blockage can be prevented, and the through hole is convenient to clean.

3. The invention provides a clean and environment-friendly drainage port adjustable porous interception structure, wherein a sliding groove is processed on the outer surface of a clamping mechanism and is matched with a sliding block, a plurality of groups of large baffles are arranged and are arranged on the outer surface of a fine filtering plate and are matched with a circulation port, a small baffle is arranged on the outer surface of the fine filtering plate and is arranged at one end close to a water outlet pipe, when interception is needed, the sliding block is positioned at the leftmost end of the sliding groove initially, an operator rotates a rotary table at 45 degrees leftwards, the rotary shaft can drive the sliding block to be positioned at the middle position of the sliding groove, at the moment, the small baffle on the outer surface of a conical piece is positioned at a circulation port, the area of the circulation port is reduced, the water flow is adjusted, the operator continues to rotate 45 degrees leftwards, the rotary shaft can drive the sliding block to be positioned at the rightmost end of the sliding groove, at the moment, the large baffle on the outer surface of the conical piece is positioned at the circulation port, the large baffle can completely block the circulation port, and interception can be realized, and interception work can be finished.

Drawings

FIG. 1 is a schematic view of the overall structure of an adjustable multi-hole shutoff structure of a sewage port for cleaning and environmental protection according to the present invention;

FIG. 2 is a partial sectional view of an adjustable multi-hole shutoff structure of a sewage port for cleaning and environmental protection according to the present invention;

FIG. 3 is a sectional view of an initial state of the adjustable multi-hole shutoff structure of the sewage port for cleaning and environmental protection of the present invention;

FIG. 4 is a schematic structural view of a shutoff mechanism of the adjustable multi-hole shutoff structure of the sewage draining port for cleaning and environmental protection of the present invention;

FIG. 5 is a view showing a rotation state of a turntable of the adjustable multi-hole shutoff structure of the sewage port for cleaning and environmental protection according to the present invention;

FIG. 6 is a view of the working state of the turntable of the adjustable multi-hole shutoff structure of the sewage port for cleaning and environmental protection of the present invention;

FIG. 7 is an enlarged view of the portion A of the adjustable multi-hole flow-stopping structure of the sewage port for cleaning and environmental protection in FIG. 5;

fig. 8 is a structural schematic diagram of a dredging mechanism of the sewage outlet adjustable porous closure structure for cleaning and environmental protection.

In the figure: 1. a sewer line component; 11. a water inlet pipe; 12. a closure housing; 13. a water outlet pipe; 14. a dust collecting box; 141. a base; 142. a dredging mechanism; 1421. a motor; 1422. a threaded rod; 1423. mounting a plate; 1424. a sliding sleeve; 1425. a thimble; 1426. a limiting block; 2. a shut-off assembly; 21. a turntable; 22. a rotating shaft; 23. a clamping mechanism; 231. a chute; 24. a protective sleeve; 241. a slider; 25. a closure member; 251. a flow-through tube; 252. a flow port; 26. a shut-off mechanism; 261. a conical member; 2611. a bump; 2612. a slag discharge port; 2613. a through hole; 262. a coarse filter plate; 263. a fine filter plate; 2631. a large baffle plate; 2632. a small baffle.

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 one

Referring to fig. 1, 2 and 3, a sewage outlet adjustable porous cut-off structure for cleaning and environmental protection comprises a sewage pipeline assembly 1 and a cut-off assembly 2, wherein one end of the cut-off assembly 2 is arranged inside the sewage pipeline assembly 1, the sewage pipeline assembly 1 comprises a water inlet pipe 11, a cut-off shell 12, a water outlet pipe 13 and a dust collection box 14, one end of the cut-off shell 12 is connected with the water inlet pipe 11, the other end of the cut-off shell is connected with the water outlet pipe 13, and the dust collection box 14 is arranged at the lower end of the cut-off shell 12; subassembly 2 dams includes carousel 21, pivot 22, block mechanism 23, lag 24, the piece 25 and the mechanism 26 that dams, the lower extreme fixed mounting of carousel 21 has pivot 22, pivot 22 runs through block mechanism 23, lag 24, the piece 25 and the mechanism 26 and the dust collecting box 14 swing joint that dams, lag 24 sets up the surface at block mechanism 23, and fixed mounting is at the surface of the shell 12 that dams, the piece 25 that dams sets up in the inside of the shell 12 that dams, the mechanism 26 that dams sets up in the inside of the piece 25 that dams.

Referring to fig. 3, 4, 5 and 7, the closure member 25 includes a circulation tube 251 and a circulation port 252, the circulation tube 251 penetrates through the interior of the closure member 25, and a plurality of sets of members each having a conical structure are provided, the circulation port 252 is provided on an inner wall of the closure member 25, the closure mechanism 26 includes a conical member 261, a coarse filter plate 262 and a fine filter plate 263, the conical member 261 is provided inside the closure member 25, the coarse filter plate 262 and the fine filter plate 263 are both fixedly mounted on an outer surface of the conical member 261, the coarse filter plate 262 is provided at one end of the inlet pipe 11, the fine filter plate 263 is provided at one end of the outlet pipe 13, the conical member 261 includes a projection 2611, a residue discharge port 2612 and a through hole 2613, the projection 2611 is fixedly mounted inside the conical member 261, the residue discharge port 2612 is provided at a bottom end of the conical member 261 and is provided at both sides of the projection 2611, the through hole 2613 is provided on an outer surface of the residue discharge port 2612 and is connected with the through hole 14, the filter plate 2612 sequentially passes through the circulation port 252, the coarse filter plate, the fine filter plate 251 and the residue discharge port 263 slides along the inner wall of the filter plate, and is convenient for filtering the residue discharge port 26114.

Referring to fig. 6 and 8, the dust collecting box 14 includes a base 141 and a dredging mechanism 142, the base 141 is fixedly installed inside the dust collecting box 14 and is connected to the rotating shaft 22, the dredging mechanism 142 is fixedly installed inside the dust collecting box 14 and is disposed at a lower end of the through hole 2613, the dredging mechanism 142 includes a motor 1421, a threaded rod 1422, a mounting plate 1423, a sliding sleeve 1424, an ejector pin 1425 and a limiting block 1426, the motor 1421 is fixedly installed inside the dust collecting box 14, the threaded rod 1422 is connected to an output end of the motor 1421, the internally mounted of mounting panel 1423 has the sliding sleeve 1424, motor 1421 drives the threaded rod 1422 and rotates, sliding sleeve 1424 screw thread runs through the surface of threaded rod 1422, can drive sliding sleeve 1424 upwards along threaded rod 1422 and slide, thimble 1425 fixed mounting is in the upper end of mounting panel 1423, and with through-hole 2613 phase-match, make thimble 1425 pass through-hole 2613, order about the motor 1421 reversal again, thimble 1425 can keep away from through-hole 2613, drive thimble 1425 repeatedly and carry out the up-and-down motion, can dredge work through-hole 2613, prevent to block up, be convenient for clear up.

Referring to fig. 3, 4 and 5, a sliding block 241 is installed on the inner wall of the protecting cover 24, a sliding groove 231 is formed on the outer surface of the engaging mechanism 23, the sliding groove 231 is matched with the sliding block 241, the fine filter plate 263 includes a large baffle 2631 and a small baffle 2632, the large baffle 2631 is provided with a plurality of groups and is arranged on the outer surface of the fine filter plate 263 and is matched with the flow opening 252, the small baffle 2632 is arranged on the outer surface of the fine filter plate 263 and is arranged at one end close to the water outlet pipe 13, initially, the sliding block 241 is arranged at the leftmost end of the sliding groove 231, an operator rotates the rotating disc 21 at an angle of 45 degrees leftwards, the rotating shaft 22 can drive the sliding block 241 to be located at the middle position of the sliding groove 231, and at this time, the small baffle 2632 on the outer surface of the conical piece 261 is located at the position of the flow opening 252, so that the area of the flow opening 252 is reduced, and the size of the water flow is adjusted.

Example two

Referring to fig. 3, 4, 5 and 7, the cut-off member 25 includes a circulation tube 251 and a circulation port 252, the circulation tube 251 penetrates through the inside of the cut-off member 25, and a plurality of sets of members each having a conical structure are provided, the circulation port 252 is provided on the inner wall of the cut-off member 25, the cut-off mechanism 26 includes a conical member 261, a coarse filter plate 262 and a fine filter plate 263, the conical member 261 is provided inside the cut-off member 25, the coarse filter plate 262 and the fine filter plate 263 are fixedly mounted on the outer surface of the conical member 261, the coarse filter plate 262 is provided at one end of the inlet pipe 11, the fine filter plate 263 is provided at one end of the outlet pipe 13, the conical member 261 includes a projection 2611, a residue discharge port 2612 and a through hole 2613, the projection 1 is fixedly mounted inside the conical member 261, the residue discharge port 2612 is provided at the bottom end of the conical member 261, and is provided at both sides of the projection 2611, the through hole 2613 is provided at the outer surface of the residue discharge port 2612 and is connected with the through hole 2613, the circulation tube 252, the fine filter plate 251 and 13, when the fine filter plate slides along the inner wall of the conical filter plate 261, the residue discharge port 2612, the residue discharge port is conveniently filtered by the dust collecting box 14, and the dust collecting box, the residue discharge port 26114.

Referring to fig. 6 and 8, the dust collecting box 14 includes a base 141 and a dredging mechanism 142, the base 141 is fixedly installed inside the dust collecting box 14 and is connected to the rotating shaft 22 in a penetrating manner, the dredging mechanism 142 is fixedly installed inside the dust collecting box 14 and is disposed at the lower end of the through hole 2613, the dredging mechanism 142 includes a motor 1421, a threaded rod 1422, a mounting plate 1423, a sliding sleeve 1424, a thimble 1425 and a limiting block 1426, the motor 1421 is fixedly installed inside the dust collecting box 14, the threaded rod 1422 is connected to an output end of the motor 1421, the internally mounted of mounting panel 1423 has sliding sleeve 1424, motor 1421 drives the threaded rod 1422 and rotates, sliding sleeve 1424 screw thread runs through the surface at threaded rod 1422, can drive sliding sleeve 1424 upwards slide along threaded rod 1422, thimble 1425 fixed mounting is in the upper end of mounting panel 1423, and with through-hole 2613 phase-match, make thimble 1425 pass through-hole 2613, order about again motor 1421 reversal, thimble 1425 can keep away from through-hole 2613, drive thimble 1425 repeatedly and carry out the up-and-down motion, can carry out the mediation work to through-hole 2613, prevent to block up, be convenient for clear up.

Referring to fig. 3-6, the fine filter plate 263 includes a large baffle 2631 and a small baffle 2632, the large baffle 2631 is provided with a plurality of groups, and all are disposed on the outer surface of the fine filter plate 263 and matched with the circulation port 252, the small baffle 2632 is disposed on the outer surface of the fine filter plate 263 and disposed at one end close to the water outlet pipe 13, initially, the sliding block 241 is disposed at the leftmost end of the sliding slot 231, the operator moves 90 degrees to the left, the rotating shaft 22 can drive the sliding block 241 to be disposed at the rightmost end of the sliding slot 231, at this time, the large baffle 2631 on the outer surface of the conical piece 261 is disposed at the circulation port 252, and the large baffle 2631 can completely block the circulation port 252, so as to achieve the flow cut-off, that is, the flow-off operation is completed.

In conclusion: the invention provides a sewage outlet adjustable porous cut-off structure for cleaning and environmental protection, a cut-off piece 25 is arranged in a cut-off shell 12, a circulating pipe 251 penetrates through the interior of the cut-off piece 25 and is provided with a plurality of groups of components which are all in a conical structure, a circulating port 252 is arranged on the inner wall of the cut-off piece 25, a cut-off mechanism 26 is arranged in the cut-off piece 25, a coarse filter plate 262 and a fine filter plate 263 are fixedly arranged on the outer surface of a conical piece 261, the coarse filter plate 262 is arranged at one end of a water inlet pipe 11, the fine filter plate 263 is arranged at one end of a water outlet pipe 13, flowing water passes through the circulating port 252, the coarse filter plate 262, the fine filter plate 263, the circulating pipe 251 and the water outlet pipe 13 in sequence, when passing through the fine filter plate 263, solid residues are blocked by the fine filter plate 263 and slide down to a residue discharge port 2612 along the inner wall of the conical piece 261, so as to play a role of filtering on the flowing water, a convex block 2611 is fixedly arranged in the interior of the conical piece 261, the slag discharge port 2612 is arranged at the bottom end of the conical member 261 and arranged at two sides of the projection 2611, the projection 2611 can prevent solid residues from being gathered at the bottom end of the conical member 261, the through hole 2613 is arranged on the outer surface of the slag discharge port 2612 and is in through connection with the dust collecting box 14, the solid residues are discharged into the dust collecting box 14 along the through hole 2613, the motor 1421 is fixedly arranged in the dust collecting box 14, the threaded rod 1422 is connected with the output end of the motor 1421, the mounting plate 1423 is internally provided with the sliding sleeve 1424, the motor 1421 drives the threaded rod 1422 to rotate, the sliding sleeve 1424 is threaded and penetrates through the outer surface of the threaded rod 1422, the sliding sleeve 1424 can be driven to slide upwards along the threaded rod 1422, the thimble 1425 is fixedly arranged at the upper end of the mounting plate 1423 and is matched with the through hole 2613, the thimble 1425 is driven to rotate backwards, the thimble 1425 can be far away from the through hole 2613, and repeatedly drive the thimble 1425 to move upwards and downwards, can dredge work to through-hole 2613, prevent to block up, be convenient for clear up, the surface processing of block mechanism 23 has spout 231, and spout 231 and slider 241 phase-match, big baffle 2631 is provided with the multiunit, and all set up the surface at fine filter plate 263, and with circulation mouth 252 phase-match, little baffle 2632 sets up the surface at fine filter plate 263, and set up the one end near outlet pipe 13, when needs are dammed, in the beginning, slider 241 is located the leftmost end of spout 231, operating personnel 45 degrees rotation carousel 21 left, pivot 22 can drive the intermediate position that slider 241 is located spout 231, the little baffle 2632 of toper piece surface 261 is located the position of circulation mouth 252 this moment, make the area of circulation mouth 252 diminish, thereby adjust the size of discharge, operating personnel continues to rotate 45 degrees left, pivot 22 can drive the position that slider 241 is located the rightmost end of spout 231, the big baffle 2631 of toper piece 261 surface is located the position of circulation mouth this moment, big baffle 2631 can plug up the circulation mouth 252 completely, can realize damming up promptly, the work of accomplishing.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a porous structure that dams with adjustable mouth of a river under clean environmental protection is with, includes sewer pipe assembly (1) and dams subassembly (2), the one end setting of subassembly (2) that dams is in the inside of sewer pipe assembly (1), its characterized in that: the sewer pipeline component (1) comprises a water inlet pipe (11), a closure shell (12), a water outlet pipe (13) and a dust collection box (14), one end of the closure shell (12) is connected with the water inlet pipe (11), the other end of the closure shell is connected with the water outlet pipe (13), and the dust collection box (14) is arranged at the lower end of the closure shell (12);

subassembly (2) dams includes carousel (21), pivot (22), block mechanism (23), lag (24), the piece (25) and the mechanism (26) that dams, the lower extreme fixed mounting of carousel (21) has pivot (22), block mechanism (23) are run through in pivot (22), lag (24), the piece (25) and the mechanism (26) and dust collection box (14) swing joint that dams, lag (24) set up the surface at block mechanism (23), and fixed mounting is at the surface of the shell (12) that dams, the piece (25) that dams sets up in the inside of the shell (12) that dams, the mechanism (26) that dams sets up in the inside of the piece (25) that dams;

the cut-off piece (25) comprises a circulation pipe (251) and a circulation port (252), the circulation pipe (251) penetrates through the inside of the cut-off piece (25), a plurality of groups of components which are all of conical structures are arranged, and the circulation port (252) is arranged on the inner wall of the cut-off piece (25);

the interception mechanism (26) comprises a conical piece (261), a coarse filtration plate (262) and a fine filtration plate (263), the conical piece (261) is arranged inside the interception piece (25), the coarse filtration plate (262) and the fine filtration plate (263) are both fixedly arranged on the outer surface of the conical piece (261), the coarse filtration plate (262) is arranged at one end of the water inlet pipe (11), and the fine filtration plate (263) is arranged at one end of the water outlet pipe (13);

the fine filter plate (263) comprises a large baffle (2631) and a small baffle (2632), the large baffle (2631) is provided with a plurality of groups, the groups of baffles are arranged on the outer surface of the fine filter plate (263) and are matched with the circulation port (252), and the small baffle (2632) is arranged on the outer surface of the fine filter plate (263) and is arranged at one end close to the water outlet pipe (13);

the conical piece (261) comprises a bump (2611), a slag discharge port (2612) and through holes (2613), the bump (2611) is fixedly installed inside the conical piece (261), the slag discharge port (2612) is arranged at the bottom end of the conical piece (261) and is arranged on two sides of the bump (2611), and the through holes (2613) are arranged on the outer surface of the slag discharge port (2612) and are connected with the dust collection box (14) in a penetrating mode;

the dust collection box (14) comprises a base (141) and a dredging mechanism (142), the base (141) is fixedly arranged in the dust collection box (14) and is connected with the rotating shaft (22) in a penetrating way, and the dredging mechanism (142) is fixedly arranged in the dust collection box (14) and is arranged at the lower end of the through hole (2613);

dredge mechanism (142) includes motor (1421), threaded rod (1422), mounting panel (1423), sliding sleeve (1424), thimble (1425) and stopper (1426), motor (1421) fixed mounting is in the inside of dust collection box (14), threaded rod (1422) is connected with the output of motor (1421), the internally mounted of mounting panel (1423) has sliding sleeve (1424), sliding sleeve (1424) screw thread runs through the surface at threaded rod (1422), thimble (1425) fixed mounting is in the upper end of mounting panel (1423), and with through-hole (2613) phase-match, stopper (1426) fixed mounting is in the upper end of mounting panel (1423), and set up the both ends at thimble (1425).

2. The adjustable porous shutoff structure of the sewage draining port for cleaning and environmental protection of claim 1, characterized in that: the inner wall of the protective sleeve (24) is provided with a slide block (241).

3. The adjustable multi-hole closure structure of the sewage draining port for cleaning and environmental protection as claimed in claim 2, wherein: a sliding groove (231) is processed on the outer surface of the clamping mechanism (23), and the sliding groove (231) is matched with the sliding block (241).