CN115492214A

CN115492214A - Municipal drainage pipeline convenient for cleaning impurities at pipeline opening

Info

Publication number: CN115492214A
Application number: CN202211175332.4A
Authority: CN
Inventors: 陆明良; 陈丽霞; 陆婷
Original assignee: Jiangyin Chengyunda Construction Engineering Co ltd
Current assignee: Jiangyin Chengyunda Construction Engineering Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-12-20
Anticipated expiration: 2042-09-26
Also published as: CN115492214B

Abstract

The application relates to the field of municipal drainage pipelines, and discloses a municipal drainage pipeline convenient for cleaning impurities at a pipeline opening, which comprises a vertically arranged drainage pipeline body, wherein a grate plate is arranged at the pipeline opening of the drainage pipeline body, a cleaning bin is arranged at one side of the pipeline opening of the drainage pipeline body, one side of the cleaning bin, which is close to the interior of the drainage pipeline body, is communicated with the interior of the drainage pipeline body, an automatic cleaning device is arranged in the cleaning bin, the top of the cleaning bin is hinged with a sealing cover plate, and one side of the grate plate, which is far away from the cleaning bin, is hinged with the side wall of the drainage pipeline body; the automatic cleaning device comprises a collecting basket, a driving rod and a driving assembly, wherein the collecting basket is arranged inside the cleaning bin in a sliding mode, the driving rod is used for connecting the collecting basket and the grate plate, the driving assembly is used for driving the collecting basket to slide, the collecting basket slides along the horizontal direction, one end of the driving rod is hinged to one side, close to the collecting basket, of the grate plate, and the other end of the driving rod is hinged to the collecting basket. This application has the effect that promotes municipal drainage pipe's drainage efficiency in the rainy day.

Description

Municipal drainage pipeline convenient for cleaning impurities at pipeline opening

Technical Field

The utility model relates to a municipal drainage pipe field especially relates to a conveniently clear up municipal drainage pipe of pipeline opening impurity.

Background

Municipal drainage pipes refer to rainwater and sewage pipelines under municipal roads, namely commonly called 'sewer pipelines', and are generally called municipal drainage pipes in engineering.

Municipal drainage pipelines are generally used for filtering impurities by installing grates at pipeline openings. In rainy days, leaves, branches and some garbage flow to the grate at the municipal drainage pipeline opening along with water flow, rainwater flows into the drainage pipeline through the grate, impurities are left above the grate, partial meshes of the grate are blocked, and the drainage efficiency of a sewer is affected. At present, the garbage on the grate is generally treated by sanitation personnel, and the normal drainage of a drainage pipeline is ensured.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: the artifical impurity to the grate of sanitation personnel in the rainy day clears up, and not only comparatively troublesome, sanitation personnel rainy day trip also can have the potential safety hazard, and sanitation personnel clearance in turn also need spend the certain time in addition, also delays to some extent on the ageing, finally leads to municipal drainage pipe's drainage efficiency not good.

Disclosure of Invention

In order to promote municipal drainage pipe's drainage efficiency at the rainy day, this application provides a conveniently clear up municipal drainage pipe of pipeline mouth impurity.

The application provides a pair of conveniently clear up municipal drainage pipe way mouth impurity adopts following technical scheme:

a municipal drainage pipeline convenient for cleaning impurities at a pipeline opening comprises a drainage pipeline body which is vertically arranged, wherein a grate plate is arranged at the pipeline opening of the drainage pipeline body, a cleaning bin is arranged on one side of the pipeline opening of the drainage pipeline body, one side, close to the interior of the drainage pipeline body, of the cleaning bin is communicated with the interior of the drainage pipeline body, an automatic cleaning device is arranged in the cleaning bin, a sealing cover plate is hinged to the top of the cleaning bin, and one side, away from the cleaning bin, of the grate plate is hinged to the side wall of the drainage pipeline body;

the automatic cleaning device comprises a collecting basket, a driving rod and a driving assembly, wherein the collecting basket is arranged in the cleaning bin in a sliding mode, the driving rod is connected with the collecting basket and drives the collecting basket to slide, the collecting basket slides along the horizontal direction, one end of the driving rod is hinged with one side, close to the collecting basket, of the grate plate, the other end of the driving rod is hinged with the collecting basket, when the driving assembly drives the collecting basket to slide towards the direction close to the grate plate, the grate plate rotates around a hinge joint of the grate plate and the drainage pipeline body, and one side, close to the collecting basket, of the grate plate is located above the collecting basket and inclines downwards.

By adopting the technical scheme, when impurities on the road surface in heavy rain are accumulated on the grate plate along with flowing rainwater, the driving assembly is utilized to drive the collecting basket to slide towards the direction close to the grate plate, in the movement process of the collecting basket, the driving rod drives the grate plate to rotate, one side of the grate plate close to the collecting basket is inclined downwards, the rapidly flowing water flow carries the impurities to flow into the collecting basket, the collecting basket is utilized to intercept and filter the impurities, then the rainwater flows into the drainage pipeline body, so that the impurities on the surface of the grate plate are removed under the impact of the water flow in heavy rain, a part of rainwater directly flows into the drainage pipeline body through the grate plate, the drainage channel of the rainwater is finally increased, and the drainage efficiency of the grate plate in heavy rain is improved. When the impurities on the surface of the grate plate are cleaned up, the collecting basket is reset under the driving of the driving assembly, and meanwhile, the grate plate is reset.

In addition, after the impurities on the grate plate enter the collecting basket, the impurities are conveniently subjected to centralized treatment, so that manpower and material resources are saved, and the energy-saving and environment-friendly effects are achieved.

Optionally, two opposite inner walls of the cleaning bin are provided with a bearing, a gap is left between the bearing and the bottom of the cleaning bin, the collecting basket is placed on the bearing, the driving assembly comprises a driving motor arranged at the bottom of the cleaning bin, a screw rod connected to a motor shaft of the driving motor, and a nut block in threaded connection with the screw rod, and the nut block is connected with the bottom of the collecting basket.

Through adopting above-mentioned technical scheme, driving motor during operation drives the lead screw and rotates, makes the nut piece slide along lead screw length direction to it slides to drive collection basket.

Optionally, a connecting sleeve is arranged at the bottom of the collecting basket, the nut block is matched with the connecting sleeve in an inserted manner, a hinged block is arranged at the top of the collecting basket, a connecting bolt is connected to the hinged block through threads, and the connecting bolt penetrates through the other end of the driving rod in a rotating manner.

Through adopting above-mentioned technical scheme, with nut piece and the cooperation of pegging graft of adapter sleeve, collect basket during operation and press down on the nut piece at self action of gravity to wear to establish the actuating lever with connecting bolt rotation, when needing to handle the impurity of collecting basket inside, open sealed apron, directly unscrew connecting bolt, alright directly take out and collect the basket, thereby realize conveniently collecting the effect of impurity.

Optionally, an auxiliary cleaning device is arranged on the grate plate, the auxiliary cleaning device comprises a cleaning frame arranged on the grate plate in a sliding mode, a screw rod connected to the cleaning frame in a rotating mode, a cleaning head connected to the screw rod in a threaded mode and a cleaning motor driving the screw rod to rotate in a reciprocating mode, the sliding direction of the cleaning frame is parallel to the sliding direction of the collecting basket, the cleaning head abuts against the bottom wall of the top of the cleaning frame, and a plurality of bristles abutting against the grate plate are arranged on the cleaning head.

Through adopting above-mentioned technical scheme, when clearing up the grid plate surface, the clearance frame slides on the grid plate, and at the gliding in-process of clearance frame, clearance motor drive screw reciprocating rotation makes the clearance head along screw axial swing back and forth, plays the effect of cleaning to the surface of grid plate to make things convenient for the impurity on grid plate surface to follow rivers and break away from the grid plate surface, promotes the clearance effect to impurity.

Optionally, follow on the grate the slip direction of clearance frame is provided with the spout, spout parallel arrangement has two, clearance frame bottom is provided with two otic placodes, the otic placode slides and wears to establish the spout, two be provided with the pivot between the otic placode, one of them be provided with drive pivot pivoted sliding motor on the otic placode, coaxial cover is equipped with the gear in the pivot, the grate bottom is provided with the rack, the gear with rack toothing.

Through adopting above-mentioned technical scheme, thereby when the motor during operation that slides, thereby drive gear revolve and realize the slip of clearance frame, utilize the cooperation of spout and otic placode simultaneously, lead and spacing to the slip of clearance frame.

Optionally, the bristles on the cleaning head are distributed in a fan shape.

By adopting the technical scheme, the brush hairs on the cleaning heads are distributed in a fan shape, so that the part of the brush hairs on the two adjacent cleaning heads are overlapped together, the comprehensive coverage on the surface of the grate is realized, and the possibility of generating a cleaning blind area is reduced.

Optionally, clearance storehouse bottom is provided with the linkage filter screen, the linkage filter screen is close to one side of nut piece with nut piece fixed connection, collect the basket roll-off during the clearance storehouse, the linkage filter screen is kept away from one side of nut piece extends the clearance storehouse.

Through adopting above-mentioned technical scheme, when collecting the basket and sliding out the clearance storehouse, linkage filter screen follows and collects basket synchronous working, filters the rainwater that flows down in grate plate and collection basket space, promotes the effect of collecting impurity.

Optionally, one side that linkage filter screen kept away from the nut piece upwards buckles.

Through adopting above-mentioned technical scheme, the one side that keeps away from the nut piece with the linkage filter screen is upwards buckled, makes the inside impurity of linkage filter screen be difficult for getting into inside the drainage pipe body from the one side that the nut piece was kept away from to the linkage filter screen.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when impurities on the road surface in heavy rain are accumulated on the grate plate along with flowing rainwater, the driving assembly is utilized to drive the collecting basket to slide towards the direction close to the grate plate, in the movement process of the collecting basket, the driving rod drives the grate plate to rotate, one side of the grate plate close to the collecting basket is inclined downwards, at the moment, the quickly flowing water flow carries the impurities to flow into the collecting basket, the collecting basket is utilized to intercept and filter the impurities, then the rainwater flows into the drainage pipeline body, so that the impurities on the surface of the grate plate are removed under the impact of the water flow in heavy rain, a part of water directly flows into the drainage pipeline body through the grate plate, the drainage channel of the rainwater is finally increased, and the drainage efficiency of the grate plate in heavy rain is improved. When impurities on the surface of the grate plate are cleaned up, the collecting basket is reset under the driving of the driving assembly, and meanwhile, the grate plate is reset; in addition, after the impurities on the grate plate enter the collecting basket, the impurities can be conveniently centralized, so that manpower and material resources are saved, and the energy-saving and environment-friendly effects are achieved;

2. the nut block is in inserting fit with the connecting sleeve, the collecting basket is pressed on the nut block under the action of self gravity when working, the connecting bolt is rotated to penetrate through the driving rod, when impurities in the collecting basket need to be treated, the sealing cover plate is opened, the connecting bolt is directly screwed down, and the collecting basket can be directly taken out, so that the effect of conveniently collecting the impurities is achieved;

3. when the surface of the grate plate is cleaned, the cleaning frame slides on the grate plate, and in the sliding process of the cleaning frame, the cleaning motor drives the screw to rotate in a reciprocating mode, so that the cleaning head swings back and forth along the axial direction of the screw, the cleaning effect on the surface of the grate plate is achieved, impurities on the surface of the grate plate can conveniently break away from the surface of the grate plate along with water flow, and the cleaning effect on the impurities is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic diagram of a structure of an automatic cleaning apparatus in an embodiment of the present application.

Fig. 3 is a schematic view showing a connection structure of the driving rod and the collecting basket in the embodiment of the present application.

Fig. 4 is a schematic diagram of a structure of an auxiliary cleaning device embodied in an embodiment of the present application.

Description of reference numerals:

1. a drainage pipeline body; 2. a grate plate; 21. a chute; 22. an ear plate; 23. a rack; 3. cleaning a bin; 31. a support member; 32. sealing the cover plate; 4. an automatic cleaning device; 41. a collection basket; 411. a connecting sleeve; 412. a hinged block; 42. a drive rod; 421. a connecting bolt; 43. a drive assembly; 431. a drive motor; 432. a screw rod; 433. a nut block; 5. an auxiliary cleaning device; 51. cleaning the rack; 52. a screw; 53. cleaning the head; 54. cleaning the motor; 55. a rotating shaft; 56. a slip motor; 57. a gear; 6. and (4) linking the filter screens.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses municipal drainage pipe of convenient clearance pipeline opening impurity. Referring to fig. 1 and 2, a municipal drainage pipe who conveniently clears up pipe orifice impurity includes drainage pipe body 1, drainage pipe body 1 is vertical to be set up, pipeline opening at drainage pipe body 1 is provided with grid plate 2, one side of drainage pipe body 1 pipeline opening is provided with clearance storehouse 3, the inside automatic cleaning device 4 that is provided with of clearance storehouse 3, one side that clearance storehouse 3 was kept away from to grid plate 2 is articulated with drainage pipe body 1's lateral wall, one side that grid plate 2 is close to clearance storehouse 3 is connected with automatic cleaning device 4, be provided with supplementary cleaning device 5 on the grid plate 2. In heavy rain weather, the automatic cleaning device 4 and the auxiliary cleaning device 5 are matched to clean impurities on the surface of the grate plate 2, so that the drainage efficiency of the grate plate 2 in heavy rain weather is improved.

Referring to fig. 1 and 2, the cleaning bin 3 is fixedly connected with the drainage pipeline body 1, one side of the cleaning bin 3 close to the inside of the drainage pipeline body 1 is communicated with the inside of the drainage pipeline body 1, and a sealing cover plate 32 is hinged to the top of the cleaning bin 3. The automatic cleaning device 4 comprises a collecting basket 41, a driving rod 42 and a driving component 43, wherein the two opposite inner walls in the cleaning bin 3 are fixedly provided with a bearing piece 31, the bearing piece 31 is a horizontal bearing strip, and a gap is reserved between the bearing piece 31 and the bottom of the cleaning bin 3. The collecting basket 41 is placed on the supporting member 31, and a connecting sleeve 411 is fixedly connected to the bottom of the collecting basket 41.

Referring to fig. 2 and 3, one end of the driving rod 42 is hinged to the bottom of one side of the grate plate 2 close to the collecting basket 41, one side of the top of the collecting basket 41 close to the grate plate 2 is inclined downwards, two hinge blocks 412 are fixedly arranged at the top of one side of the collecting basket 41 close to the grate plate 2, the two hinge blocks 412 are arranged in parallel, the other end of the driving rod 42 is positioned between the two hinge blocks 412, a connecting bolt 421 is connected to the hinge blocks 412 in a threaded manner, and the connecting bolt 421 is rotatably inserted through the other end of the driving rod 42.

Referring to fig. 2, the driving assembly 43 includes a driving motor 431, a screw rod 432 and a nut block 433, the driving motor 431 is fixedly disposed at the bottom of the cleaning bin 3, the screw rod 432 is rotatably disposed at the bottom of the cleaning bin 3, a motor shaft of the driving motor 431 is fixedly connected with one end of the screw rod 432 in a coaxial manner, the screw rod 432 penetrates through the nut block 433 and is in threaded connection with the nut block 433, and the nut block 433 is in insertion fit with the connecting sleeve 411.

Referring to fig. 2, when the water flow in heavy rainy days flows to the grate plate 2 with impurities, the driving motor 431 drives the screw rod 432 to rotate, so that the nut block 433 slides along the length direction of the screw rod 432, thereby realizing the sliding of the collecting basket 41, and in the sliding process of the collecting basket 41, the driving rod 42 drives the grate plate 2 to rotate, so that one side of the grate plate 2 close to the collecting basket 41 is declined, and at this time, the water flow flowing fast flows into the collecting basket 41 with the impurities. Utilize the bigger collection basket 41 of filter area to intercept impurity filtering, then flow into drainage pipe body 1 through filterable rainwater to make the impurity on grate plate 2 surface clear away under the impact of rivers, finally increased the drainage channel of rainwater, promoted the drainage efficiency of grate plate 2 in heavy rain weather.

Referring to fig. 2, in order to reduce impurity and get into the inside possibility of drainage pipe body 1 from grate plate 2 and collection basket 41 space, be provided with linkage filter screen 6 at 3 bottom levels in clearance storehouse, one side and nut piece 433 fixed connection that linkage filter screen 6 is close to nut piece 433, one side that nut piece 433 was kept away from to linkage filter screen 6 flushes with collection basket 41, and one side bending upward that nut piece 433 was kept away from to linkage filter screen 6 forms the turn-ups. When the collection basket 41 slides out of the cleaning bin 3, the linkage filter screen 6 and the collection basket 41 move synchronously, so that the linkage filter screen 6 filters water flow left in a gap between the grate plate 2 and the collection basket 41.

Referring to fig. 2 and 4, the auxiliary cleaning device 5 comprises a cleaning frame 51, a screw 52, a cleaning head 53 and a cleaning motor 54, wherein the cleaning frame 51 is slidably arranged on the grate plate 2, two parallel sliding grooves 21 are formed in the grate plate 2 along the length direction of the grate plate, two lug plates 22 are fixedly arranged at the bottom of the cleaning frame 51, the lug plates 22 slidably penetrate through the sliding grooves 21, a rotating shaft 55 is arranged at the bottom of the grate plate 2, and the rotating shaft 55 is rotatably arranged between the two lug plates 22. A sliding motor 56 is fixedly arranged on one of the ear plates 22, a motor shaft of the sliding motor 56 is coaxially and fixedly connected with one end of a rotating shaft 55, a gear 57 is coaxially and fixedly sleeved on the rotating shaft 55, a rack 23 is arranged at the bottom of the grate plate 2, and the gear 57 is meshed with the rack 23. When the sliding motor 56 works, the gear 57 is driven to rotate, and the sliding of the cleaning frame 51 is realized through the matching of the gear 57 and the rack 23.

Referring to fig. 4, the screw rod 52 is rotatably connected to the cleaning frame 51, the screw rod 52 penetrates through the cleaning head 53 and the cleaning head 53 is in threaded connection, the cleaning head 53 is provided with a plurality of cleaning heads along the length direction of the screw rod 52, the cleaning motor 54 is fixedly connected to the cleaning frame 51, and a motor shaft of the cleaning motor 54 is coaxially and fixedly connected with one end of the screw rod 52. The cleaning head 53 is abutted against the bottom wall of the top of the cleaning frame 51, a plurality of bristles abutted against the grate plate 2 are arranged on the cleaning head 53, and the bristles on the cleaning head 53 are distributed in a fan shape. In the sliding process of the cleaning frame 51, the cleaning motor 54 drives the screw rod 52 to rotate in a reciprocating manner, so that the cleaning head 53 moves back and forth on the screw rod 52, the bristles wash impurities on the surface of the grate plate 2, and the impurities are cleaned more thoroughly.

The utility model provides a conveniently clear up municipal drainage pipe's of pipeline mouth impurity implementation principle does: when water flow carrying impurities flows onto the grate plate 2 in heavy rain, the driving motor 431 is started, the screw rod 432 rotates to drive the nut block 433 to slide along the length direction of the screw rod 432, so that the collection basket 41 slides, the driving rod 42 drives the grate plate 2 to rotate in the movement process of the collection basket 41, and one side of the grate plate 2 close to the collection basket 41 is inclined downwards and is positioned above the collection basket 41. The now fast flowing water stream carries the impurities into the interior of the collection basket 41. Utilize the bigger collection basket 41 of filter area to intercept impurity filtering, then flow into drainage pipe body 1 through filterable rainwater to make the impurity on grate plate 2 surface clear away under the impact of rivers, finally increased the drainage channel of rainwater, promoted the drainage efficiency of grate plate 2 in heavy rain weather.

Meanwhile, the sliding motor 56 works synchronously, the sliding of the cleaning frame 51 is realized through the matching of the gear 57 and the rack 23, and in the sliding process of the cleaning frame 51, the cleaning motor 54 is utilized to drive the screw rod 52 to rotate in a reciprocating manner, so that the cleaning head 53 moves back and forth on the screw rod 52, the bristles wash impurities on the surface of the grate plate 2, and the impurities on the surface of the grate plate 2 are thoroughly cleaned.

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: equivalent changes in 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 conveniently clear up municipal drainage pipe of pipeline opening impurity, drainage pipe body (1) including vertical setting, its characterized in that: a grate plate (2) is arranged at the pipeline opening of the drainage pipeline body (1), a cleaning bin (3) is arranged on one side of the pipeline opening of the drainage pipeline body (1), one side, close to the interior of the drainage pipeline body (1), of the cleaning bin (3) is communicated with the interior of the drainage pipeline body (1), an automatic cleaning device (4) is arranged in the cleaning bin (3), a sealing cover plate (32) is hinged to the top of the cleaning bin (3), and one side, away from the cleaning bin (3), of the grate plate (2) is hinged to the side wall of the drainage pipeline body (1);

the automatic cleaning device (4) comprises a collecting basket (41) arranged inside the cleaning bin (3) in a sliding mode, a driving rod (42) for connecting the collecting basket (41) with the grate plate (2) and a driving assembly (43) for driving the collecting basket (41) to slide, wherein the collecting basket (41) slides along the horizontal direction, one end of the driving rod (42) is hinged to one side, close to the collecting basket (41), of the grate plate (2), the other end of the driving rod (42) is hinged to the collecting basket (41), when the driving assembly (43) drives the collecting basket (41) to slide in the direction close to the grate plate (2), the grate plate (2) rotates around a hinge point of the grate plate and the drainage pipeline body (1), and one side, close to the collecting basket (41), of the grate plate (2) is located above the collecting basket (41) and inclines downwards.

2. The municipal drainage pipeline facilitating impurity removal at a pipeline opening according to claim 1, wherein: all be provided with bearing piece (31) on two relative inner walls in clearance storehouse (3), bearing piece (31) with clearance is left to clearance storehouse (3) bottom, collect basket (41) and place on bearing piece (31), drive assembly (43) are including setting up driving motor (431), lead screw (432) and threaded connection at lead screw (432) upper nut piece (433) of connection on driving motor (431) motor shaft of clearance storehouse (3) bottom, nut piece (433) with collect basket (41) bottom and connect.

3. The municipal drainage pipeline facilitating impurity removal at a pipeline opening according to claim 2, wherein: collect basket (41) bottom and be provided with adapter sleeve (411), nut piece (433) with adapter sleeve (411) cooperation of pegging graft, the top of collecting basket (41) is provided with articulated piece (412), threaded connection connecting bolt (421) are gone up in articulated piece (412), connecting bolt (421) rotate and wear to establish the other end of actuating lever (42).

4. The municipal drainage pipeline facilitating impurity removal at a pipeline opening according to claim 1, wherein: be provided with supplementary cleaning device (5) on grate plate (2), supplementary cleaning device (5) are including sliding the setting and are in clearance frame (51) on grate plate (2), rotate screw rod (52) of connecting on clearance frame (51), threaded connection clearance head (53) and driving screw (52) reciprocating rotation's clearance motor (54) on screw rod (52), the slip direction of clearance frame (51) with the slip direction of collecting basket (41) is parallel, clearance head (53) with the diapire at clearance frame (51) top is contradicted, set up on clearance head (53) a plurality of with the brush hair that grate plate (2) contradicted.

5. The municipal drainage pipeline facilitating impurity cleaning of a pipeline opening according to claim 4, wherein: follow on grate plate (2) the slip direction of clearance frame (51) is provided with spout (21), spout (21) parallel arrangement has two, clearance frame (51) bottom is provided with two otic placodes (22), otic placode (22) slide and wear to establish spout (21), two be provided with pivot (55) between otic placode (22), one of them be provided with drive pivot (55) pivoted sliding motor (56) on otic placode (22), coaxial cover is equipped with gear (57) on pivot (55), grate plate (2) bottom is provided with rack (23), gear (57) with rack (23) meshing.

6. The municipal drainage pipeline facilitating impurity cleaning of a pipeline opening according to claim 4, wherein: the bristles on the cleaning head (53) are distributed in a fan shape.

7. The municipal drainage pipeline facilitating impurity cleaning of a pipeline opening as claimed in claim 2, wherein: clearance storehouse (3) bottom is provided with linkage filter screen (6), linkage filter screen (6) are close to one side of nut piece (433) with nut piece (433) fixed connection, collection basket (41) roll-off during clearance storehouse (3), linkage filter screen (6) are kept away from one side of nut piece (433) is extended clearance storehouse (3).

8. The municipal drainage pipeline facilitating impurity removal from a pipeline opening according to claim 7, wherein: linkage filter screen (6) are kept away from one side of nut piece (433) is buckled upwards.