CN111501955B

CN111501955B - Municipal drainage pipeline

Info

Publication number: CN111501955B
Application number: CN202010239387.1A
Authority: CN
Inventors: 楼巍; 张文娟; 梁克权; 胡余尚
Original assignee: Ningbo Construction Engineering Group Co ltd; Ningbo Liangjiang Investment Co ltd; Ningbo Chengzhan Construction Engineering Co ltd
Current assignee: Ningbo Construction Engineering Group Co ltd; Ningbo Liangjiang Investment Co ltd; Ningbo Chengzhan Construction Engineering Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-05-07
Anticipated expiration: 2040-03-30
Also published as: CN111501955A

Abstract

The invention discloses a municipal drainage pipeline, which solves the problem that municipal drainage pipeline dredging is inconvenient at the present stage. Its technical scheme main points are municipal drainage pipe, include two at least drainage wells and connect in adjacent pipeline unit between the drainage well, all still be equipped with in the pipeline unit and follow the length direction of pipeline unit slides scrape silt spare, scrape silt spare have with pipeline unit's inner wall clearance fit scrapes silt arc portion, the both sides of scraping silt spare all are connected with and extend to drainage well's stay cord, thereby the staff can make to scrape silt spare and slide in municipal drainage pipe through the stay cord and realize scraping the purpose that becomes silted up, and this kind of mode of scraping silt is simple convenient, compares in the traditional mode of scraping silt that adopts the pipeline dredging car, and the cost is lower, scrapes silt process portably, and does not need specific pipeline dredging car can accomplish municipal drainage pipe scrapes silt.

Description

Municipal drainage pipeline

Technical Field

The invention relates to the field of municipal drainage, in particular to a municipal drainage pipeline.

Background

The municipal drainage pipeline refers to rainwater and sewage pipelines under the municipal road, namely a commonly-known sewer pipeline. At present, municipal drainage pipelines in China are usually formed by splicing a plurality of pipeline units, and inspection wells are arranged at certain distances and used for detecting and cleaning the municipal drainage pipelines.

The Chinese invention patent application with application publication number CN 107989170A discloses a pipeline dredging and silt scraping process, wherein a spray head structure of a dredging vehicle is arranged on a high-pressure water pipe, the spray head structure is placed at the starting end of a pipeline, then the high-pressure water pipe is opened to enable high-pressure water to be injected into the spray head structure, the spray head structure is enabled to move from the starting section of the pipeline to the tail end of the pipeline, in the moving process of the spray head structure, the high-pressure water sprayed by the spray head structure can clean impurities on the inner wall of the pipeline, and the impurities are flushed to the starting end of the pipeline.

The above prior art solutions have the following drawbacks: the pipeline dredging and silt scraping process is based on the pipeline dredging vehicle, so that the pipeline dredging vehicle is required to be driven to a pipeline to be subjected to silt scraping when the pipeline is subjected to silt scraping at each time, and the situation that pipeline silt scraping cannot be carried out when the pipeline is not subjected to silt scraping is caused.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the municipal drainage pipeline convenient for dredging.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a municipal drainage pipe, includes two at least drainage wells and connects in adjacent pipeline unit between the drainage well, all be equipped with in the pipeline unit and follow the length direction of pipeline unit slides scrape silt piece, scrape silt piece have with the inner wall clearance fit of pipeline unit scrapes silt arc portion, the both sides of scraping silt piece all are connected with and extend to the stay cord of drainage well.

Through adopting above-mentioned technical scheme, when above-mentioned municipal drainage pipe is cleared up to needs, the staff can scrape the stay cord of silt piece both sides through the pulling for scrape the silt piece and slide along the length direction of pipe unit, scrape the in-process that the silt piece slided in pipe unit, scrape the silt arc portion of silt piece and scrape down the attachment on the pipe unit inner wall, and sweep this part of attachment into drainage well department, the staff clears up the rubbish in the drainage well again, municipal drainage pipe's the silt of scraping has been accomplished promptly. Compared with the traditional dredging mode adopting the pipeline dredging vehicle, the municipal drainage pipeline dredging method is low in cost, simple and convenient in dredging process, and can finish dredging of the municipal drainage pipeline without the need of the specific pipeline dredging vehicle.

The invention is further provided that the silt scraping piece is also provided with a silt scraping baffle connected with the inner ring of the silt scraping arc part, and the silt scraping piece is provided with a silt scraping notch opposite to the notch of the silt scraping arc part; the pipeline unit is also provided with an adjusting mechanism for driving the silt scraping piece to rotate, and the silt scraping piece is driven by the adjusting mechanism to have a water passing state and a silt scraping state; when the silt scraping piece is in a silt scraping state, the silt scraping notch is positioned at the top of the silt scraping piece; when the silt scraping piece is in a water-through state, the silt scraping notch is located at the bottom of the silt scraping piece.

By adopting the technical scheme, due to the arrangement of the sludge scraping notch, when the sludge scraping piece is in a water passing state, the municipal drainage pipeline can realize normal water passing; when the piece of scraping silt is in the state of scraping silt, because the top is difficult to long-pending silt in the municipal drainage pipe, so scrape silt breach and municipal drainage pipe's top just right, can not influence the effect of scraping silt of piece. The structure of the silt scraping piece is set, so that the silt scraping piece can be stored in the municipal drainage pipeline, and normal drainage of the municipal drainage pipeline cannot be influenced.

The invention is further provided that the sludge scraping piece is provided with an adjusting tooth socket in the circumferential direction of the outer ring side wall of the sludge scraping arc part; the pipeline unit is provided with a placing area for placing the silt scraping piece, and the side wall of the placing area of the pipeline unit is provided with an adjusting through hole penetrating through the pipeline unit; the adjusting mechanism comprises an adjusting gear which is matched with the adjusting tooth groove and can pass through the adjusting through hole, an adjusting motor which drives the adjusting gear to rotate, and a first driving mechanism which drives the adjusting gear to slide along the direction vertical to the axis of the pipeline unit; the adjusting gear is driven by the first driving mechanism and then can be inserted into the pipeline unit through the adjusting through hole part and matched with the adjusting tooth groove.

Through adopting above-mentioned technical scheme, adjust the structure and adopt adjusting gear, accommodate motor and a drive mechanism, through the cooperation of adjusting gear with the regulation tooth's socket, can adjust the rotation angle of scraping silt piece accurately for scrape silt piece not only can scrape the switching of silt state and water-carrying state, make moreover scrape the precision that silt piece switched the state higher.

The pipeline unit is further provided with a plug mechanism, wherein the plug mechanism comprises a sealing plug and a second driving mechanism for driving the sealing plug to slide in a direction vertical to the axis of the pipeline unit; the sealing plug can be inserted into the adjusting through hole in a sealing mode and abutted against the outer wall of the silt scraping piece after being driven by the second driving mechanism; the municipal drainage pipeline is also provided with a sliding platform and a third driving mechanism for driving the sliding platform to slide in a reciprocating manner along the direction parallel to the axis of the pipeline unit, and the adjusting mechanism and the plug mechanism are arranged on the sliding platform in parallel; the sliding platform is provided with a first station and a second station after being driven by the third driving mechanism; when the sliding platform is positioned at a first station, an adjusting gear of the adjusting mechanism is opposite to the adjusting through hole; when the sliding platform is located at the second station, the sealing plug of the plug mechanism is opposite to the adjusting through hole.

Through adopting above-mentioned technical scheme, when the platform that slides is in first station, adjustment mechanism's adjusting gear is relative with the regulation opening for adjustment mechanism can normally adjust the angle of scraping the silt piece, makes and scrapes the silt piece and can switch between the water state and the state of scraping the silt. When the platform that slides is in the second station, can will adjust the sealed lid of opening through sealed end cap and close, guarantee municipal drainage pipe's sealing performance, and when scraping silt piece and being located and placing when regional placing, the sealed end cap of end cap mechanism can compress tightly the silt piece on municipal drainage pipe's inner wall, helps the silt piece of scraping of fixed logical water state.

The municipal drainage pipeline is further provided with an auxiliary base for the sliding platform to be mounted in a sliding mode, and the auxiliary base is fixed on the pipeline unit.

By adopting the technical scheme, the auxiliary base is arranged, so that the adjusting mechanism, the plug mechanism and the pipeline unit can be conveniently positioned and installed, and the adjusting gear of the adjusting mechanism and the sealing plug of the plug mechanism can be accurately aligned to the adjusting opening.

The invention is further arranged in such a way that the inner walls of the pipeline units at the two sides of the placing area are provided with guide sliding rails, and the silt scraping part is provided with guide sliding chutes matched with the guide sliding rails.

Through adopting above-mentioned technical scheme, the settlement of direction slide rail can carry on spacingly to sliding of scraping the silt piece for scrape the silt piece can slide on municipal drainage pipe with scraping the silt state all the time.

The invention is further configured that the pipeline unit comprises a first pipe section, a second pipe section and a control section, the first pipe section and the second pipe section are both fixedly installed at two ends of the control section, and the placement area is arranged on the control section; a first support is integrally arranged at the bottom of the control section; the municipal drainage pipeline is also provided with a second support for supporting the first pipe section and the second pipe section, the second support is provided with a supporting arc surface for supporting the first pipe section or the second pipe section, the second support is provided with a positioning convex part on the supporting arc surface, and the first pipe section and the second pipe section are both provided with positioning grooves for the positioning convex part to be embedded in; the auxiliary base is fixed on the control section.

By adopting the technical scheme, the pipeline unit comprises the first pipeline section, the second pipeline section and the control section, and the first pipeline section and the second pipeline section are of conventional pipeline structures, while the control section area is of a non-standard pipeline structure, so that the length of a non-standard part can be shortened, and the production and construction of the non-standard part are facilitated.

The setting of first support can conveniently carry out circumference location to the control section in the control section for the circumference angle of the regulation opening in the control section is controllable, thereby makes things convenient for subsequent adjustment mechanism and end cap mechanism's installation and location. The second support can carry out circumference location to first pipeline section and second pipeline section through location convex part and positioning groove's cooperation for the direction slide rail in first pipeline section and the second pipeline section can align, and the homoenergetic cooperates with the direction spout of the piece that scrapes under the silt state.

The invention is further provided with a first caulking groove and a first magnet arranged in the first caulking groove are further arranged on the outer wall of the silt scraping piece, and the first magnet and the silt scraping notch are circumferentially spaced by 180 degrees; the inner wall of the top of the placing area of the pipeline unit is provided with a second embedded groove and a second magnet embedded in the second embedded groove; the inner wall of the bottom of the placing area of the pipeline unit is provided with a third caulking groove and a third magnet embedded in the third caulking groove; when the silt scraping piece is positioned in the placing area and is in a water passing state, the first magnet and the second magnet are mutually attracted; when the silt scraping piece is located the placing area and is in a silt scraping state, the first magnet and the third magnet attract each other.

Through adopting above-mentioned technical scheme, first magnetite can with second magnetite and third magnetite actuation respectively for scrape silt piece and be in on placing the position and lead to the water condition or scrape when silt state, be difficult for taking place circumference and deflect, thereby help scraping the cooperation of the guide slide rail on the guide chute on the silt piece and the municipal drainage pipe.

The invention is further provided that the outer wall of the silt scraping piece is also provided with a first blind hole, and a ball spring plunger is arranged in the first blind hole; when the silt scraping piece in the silt scraping state is positioned in the placing area, a plunger ball of the ball spring plunger extends into the second blind hole and triggers the contact switch; the pipeline unit is also provided with a display lamp connected with the contact switch; when the contact switch is triggered, the display lamp is turned on; otherwise, the display lamp is turned off.

Through adopting above-mentioned technical scheme, scrape the silt piece after the silt is accomplished and reset to when placing the region, bulb spring plunger's plunger bulb butt is on contact switch to make the display lamp light, the staff can light through the display lamp and learn to scrape the silt piece and reset and accomplish, adjusting part's adjusting gear can accurately cooperate with the regulation tooth's socket of scraping the silt piece when stretching into municipal drainage pipe this moment, reduced adjusting gear and scrape the silt piece when stretching into municipal drainage pipe in and take place to interfere and impaired probability.

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

1. a municipal drainage pipeline is provided with a sludge scraping piece, and workers can slide the sludge scraping piece in the municipal drainage pipeline through a pull rope so as to realize the purpose of scraping sludge, the sludge scraping mode is simple and convenient, compared with the traditional sludge scraping mode adopting a pipeline dredging vehicle, the municipal drainage pipeline has the advantages of lower cost and simple and convenient sludge scraping process, and the sludge scraping of the municipal drainage pipeline can be completed without a specific pipeline dredging vehicle;

2. the silt scraping piece is provided with a silt scraping notch, and can be switched between a water passing state and a silt scraping state through the adjusting mechanism, so that the silt scraping piece can be arranged in the municipal drainage pipeline, and the influence of the silt scraping piece in the water passing state on drainage of the municipal drainage pipeline is small;

3. will adjust the sealed lid of opening through sealed end cap and close, guarantee municipal drainage pipe's sealing performance, when scraping silt spare and being located and placing when regional, the sealed end cap of end cap mechanism can compress tightly on municipal drainage pipe's inner wall scraping silt spare, helps the silt piece of scraping of fixed water-passing condition.

Drawings

FIG. 1 is a schematic sectional view of a municipal drainage pipeline.

Fig. 2 is an exploded schematic view of the piping unit.

Fig. 3 is a schematic cross-sectional view of the mating of the first tube section, the second tube section and the control section.

Fig. 4 is a schematic cross-sectional view of a first pipe segment.

Fig. 5 is a schematic diagram of the control section, the auxiliary base, the adjusting mechanism and the plug mechanism.

Fig. 6 is a schematic structural view of the silt remover.

Fig. 7 is a schematic structural view of the adjustment mechanism.

FIG. 8 is a schematic structural diagram of the sludge scraping member in a water-passing state at the placement position of the control section.

Fig. 9 is a structural schematic diagram of a second viewing angle of the silt remover.

Fig. 10 is a cross-sectional structure diagram of the silt remover and the control section at the ball spring plunger.

Fig. 11 is an enlarged view at a in fig. 10.

In the figure: 1. a piping unit; 11. a first tube section; 111. a first plug end; 12. a second tube section; 121. a second socket; 13. a control section; 131. a first socket; 132. a second plug end; 133. a first support; 134. a placement area; 135. adjusting the through opening; 136. an auxiliary base; 137. a second magnet; 138. a third magnet; 139. a contact switch; 141. a first rubber ring; 142. a second rubber ring; 15. a second support; 151. supporting the arc surface; 152. a positioning projection; 16. a positioning groove; 17. a guide slide rail; 2. a drainage well; 3. a sludge scraping member; 31. a sludge scraping arc part; 311. a scraping part; 32. a sludge scraping baffle; 321. scraping a silt notch; 33. adjusting the tooth socket; 35. a rope loop; 36. pulling a rope; 37. a first magnet; 38. a guide chute; 39. a ball spring plunger; 391. a plunger housing; 392. a plunger spring; 393. a plunger ball head; 41. a sliding platform; 421. a third slide rail; 422. a third slider; 424. a third rotary lead screw; 425. a third lead screw motor; 5. an adjustment mechanism; 51. adjusting the shell; 52. an adjusting gear; 53. adjusting the motor; 54. a motor gear; 55. an auxiliary gear; 561. a first slide rail; 562. a first slider; 563. a first lead screw nut; 564. a first rotary lead screw; 565. a first lead screw motor; 6. a plug mechanism; 61. sealing the plug; 62. a plug base; 631. a second slide rail; 632. a second slider; 634. a second rotary lead screw; 635. a second lead screw motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the municipal drainage pipeline disclosed by the invention comprises at least two drainage wells 2 and a pipeline unit 1 connected between the two drainage wells 2. In this embodiment, the drainage well 2 is a well having a square horizontal cross section.

Referring to fig. 2, the pipe unit 1 includes a first pipe segment 11, a second pipe segment 12, and a control segment 13 disposed between the first pipe segment 11 and the second pipe segment 12. The first pipe section 11 and the second pipe section 12 are both hollow cylindrical pipe fittings, and the water discharging direction in the pipe unit 1 is flowing from the first pipe section 11 to the second pipe.

Referring to fig. 3, the first pipe section 11 and the control section 13 are connected by a waterproof splicing structure. The waterproof splicing structure comprises a first inserting connection end 111 arranged at the end part of the first pipe section 11, a first inserting connection seat 131 arranged at the end part of the control section 13 and used for inserting the first inserting connection end 111, and a first rubber ring 141 sleeved between the outer wall of the first inserting connection end 111 and the inner wall of the first inserting connection seat 131. After the first inserting connection end 111 of the first pipe section 11 is inserted into the first inserting connection seat 131 of the control section 13, the first inserting connection seat 131 of the control section 13 is filled with waterproof glue to realize the sealing connection between the first pipe section 11 and the control section 13.

The second pipe section 12 and the control section 13 are also connected by a waterproof splice structure. The waterproof splicing structure comprises a second inserting end 132 arranged at the end part of the control section 13, a second inserting seat 121 arranged at the end part of the second pipe section 12 and used for inserting the second inserting end 132, and a second rubber ring 142 sleeved between the outer wall of the second inserting end 132 and the inner wall of the second inserting seat 121. After the second inserting end 132 of the control section 13 is inserted into the second inserting seat 121 of the second pipe section 12, the second inserting seat 121 of the second pipe section 12 is filled with waterproof glue, so as to realize the sealing connection between the control section 13 and the second pipe section 12.

Referring to fig. 2, the municipal drainage pipe is provided with a first support 133 at the bottom of the control section 13. The first seat 133 is integrally provided with the control section 13.

Referring to fig. 2 and 4, the municipal drainage pipeline is further provided with a second support 15 supporting the first pipe section 11 and the second pipe section 12. The second seat 15 has a support arc 151 that supports the first pipe segment 11 or the second pipe segment 12. The second support 15 is provided with a positioning protrusion 152 on the support arc 151, and the first pipe segment 11 and the second pipe segment 12 each have a positioning groove 16 into which the positioning protrusion 152 is inserted. The second support 15 can position the first pipe segment 11 and the second pipe segment 12 in the circumferential direction by the cooperation of the positioning protrusion 152 and the positioning groove 16, and facilitates the positioning and installation of the first pipe segment 11 and the second pipe segment 12 on the control segment 13.

Referring to fig. 5, the control section 13 has a placing area 134, and the sludge scraping member 3 capable of sliding in the length direction of the pipe unit 1 is placed on the placing area 134. The silt remover 3 comprises a silt removing arc part 31 which is in clearance fit with the inner wall of the pipeline unit 1 and a silt removing baffle 32 which is connected with the inner ring of the silt removing arc part 31. Wherein, the width of scraping silt arc portion 31 is greater than the thickness of scraping silt baffle 32, and the both sides of scraping silt arc portion 31 all are equipped with the spatula portion 311 that will adhere to the silt of pipe unit 1 inner wall and shovel, and the thickness of spatula portion 311 reduces along the middle part direction of keeping away from scraping silt arc portion 31 gradually. In the present embodiment, the circumferential angle of the silt-scraping arc portion 31 is 270 °, and the silt-scraping baffle 32 has a silt-scraping notch 321 opposite to the notch of the silt-scraping arc portion 31.

Wherein, the outer ring side wall of the sludge scraping arc part 31 of the sludge scraping piece 3 is circumferentially and uniformly provided with adjusting tooth sockets 33.

Referring to fig. 1 and 6, in order to facilitate the sliding of the silt remover 3 on the pipe unit 1, the silt remover 3 is provided with rope rings 35 at the middle parts of the two sides of the silt remover 32, and a pull rope 36 is bound on the two rope rings 35, and one end of the pull rope 36 far away from the silt remover 3 is located in the drainage well 2. Wherein, the length of the pulling rope 36 is larger than that of the pipeline unit 1, so that the silt remover 3 can be conveniently pulled from one end of the pipeline unit 1 to the other end of the pipeline unit 1.

Referring to fig. 5 and 6, the control section 13 has a regulating opening 135 formed on a side wall thereof to penetrate the side wall of the control section 13. In this embodiment, the direction of the through opening of the adjusting through opening 135 is horizontal, and the adjusting through opening 135 is opposite to the adjusting tooth groove 33 of the silt remover 3 placed in the placing area 134.

The control section 13 is provided with an auxiliary base 136 at the side provided with the adjusting through 135. The auxiliary base 136 is welded and fixed on the first support 133, and the bottom surface of the first support 133 and the bottom surface of the auxiliary base 136 are located in the same horizontal plane, and the top surface of the auxiliary base 136 is also arranged horizontally.

The top of the auxiliary base 136 is slidably mounted with a sliding platform 41 and a third driving mechanism for driving the sliding platform 41 to slide. The sliding direction of the sliding platform 41 is parallel to the axis of the control section 13 and parallel to the length direction of the pipe unit 1. The third driving mechanism includes a third slide rail 421 disposed on the auxiliary base 136, a third slider 422 disposed on the bottom surface of the sliding platform 41 and engaged with the third slide rail 421, a third screw nut fixed on the bottom surface of the sliding platform 41, a third rotating screw 424 rotatably mounted on the auxiliary base 136, and a third screw motor 425 driving the third rotating screw 424. In the present embodiment, the third rotating lead screw 424 and the third slide rail 421 are both parallel to the axial direction of the control section 13.

The auxiliary base 136 has an adjustment mechanism 5 and a stopper mechanism 6 juxtaposed on its top surface in the axial direction of the control section 13.

Referring to fig. 5 and 7, the adjusting mechanism 5 includes an adjusting housing 51, an adjusting gear 52 capable of passing through the adjusting through hole 135 and rotatably mounted on the adjusting housing 51, an adjusting motor 53 for driving the adjusting gear 52 to rotate, and a first driving mechanism for driving the adjusting gear 52 to slide in a direction perpendicular to the axis of the control section 13. Wherein, the output shaft of the adjusting motor 53 is provided with a motor gear 54, and the motor gear 54 and the adjusting gear 52 are in transmission fit through a gear transmission pair. In this embodiment, the gear transmission pair includes two auxiliary gears 55 drivingly connected between the motor gear 54 and the adjustment gear 52.

The first driving mechanism includes a first slide rail 561 disposed on the top surface of the sliding platform 41, a first slider 562 disposed on the bottom surface of the adjusting housing 51 and engaged with the first slide rail 561, a first screw nut 563 fixed on the bottom surface of the adjusting housing 51, a first rotating screw 564 rotatably mounted on the sliding platform 41 and engaged with the first screw nut 563, and a first screw motor 565 driving the first rotating screw 564. In the present embodiment, the first rotation lead screw 564 and the first slide rail 561 are both parallel to the through-hole direction of the adjustment through-hole 135.

Referring to fig. 5, the plug mechanism 6 includes a sealing plug 61, a plug base 62 for mounting the sealing plug 61, and a second driving mechanism for driving the sealing plug 61 to slide perpendicularly to the axial direction of the pipe unit 1.

The second driving mechanism includes a second slide rail 631 disposed on the top surface of the sliding platform 41, a second slider 632 disposed on the bottom surface of the plug base 62 and engaged with the second slide rail 631, a second lead screw nut fixed on the bottom surface of the plug base 62, a second rotary lead screw 634 rotatably mounted on the top surface of the sliding platform 41 and engaged with the second lead screw nut, and a second lead screw motor 635 driving the second rotary lead screw 634. In the present embodiment, the second rotary screw 634 and the second slide rail 631 are both parallel to the direction of the opening of the adjustment opening 135.

Referring to fig. 5, the sliding platform 41 has a first station and a second station after being driven by the third driving mechanism.

When the sliding platform 41 is in the first station, the adjusting gear 52 of the adjusting mechanism 5 is opposite to the adjusting through hole 135, so that the adjusting gear 52 can be driven by the first driving mechanism to extend into the adjusting through hole 135, and the adjusting gear 52 is correspondingly matched with the adjusting toothed groove 33 of the silt scraping piece 3.

Referring to fig. 8, the silt remover 3 has a water-flowing state and a silt-removing state after being driven by the adjusting mechanism 5 (see fig. 5). When scraping silt piece 3 and being in logical water state, scrape the bottom that silt breach 321 was in scraping silt piece 3 of silt piece 3, drainage in the pipe unit 1 can realize the circulation through scraping silt breach 321 this moment, has reduced the influence of scraping silt piece 3 to municipal drainage pipe's drainage. When the scraping piece 3 is in the scraping state, the scraping notch 321 of the scraping piece 3 is positioned at the top of the scraping piece 3, and the inner top of the pipeline unit 1 is not easy to generate sludge accumulation, so that the inner top of the pipeline unit 1 is not required to be specially desilted during scraping, and the setting of the scraping notch 321 has less influence on the desilting effect of the scraping piece 3.

Referring to fig. 5, when the sliding platform 41 is at the second station, the sealing plug 61 of the plug mechanism 6 is opposite to the adjusting through hole 135, so that the sealing plug 61 can be inserted into the adjusting through hole 135 in a sealing manner and abuts against the outer wall of the silt scraping member 3, the sealing of the adjusting through hole 135 and the fixation of the silt scraping member 3 are realized, and the probability that the silt scraping member 3 is flushed out of the ectopic position by the drainage water in the placing area 134 by the pipeline unit 1 is reduced.

Referring to fig. 5 and 8, when the sliding platform 41 is switched between the first station and the second station, the placing area 134 of the silt remover 3 in the control section 13 cannot be limited by the adjusting mechanism 5 or the plugging mechanism 6, and the silt remover 3 is prone to circumferential deviation and axial deviation. In order to overcome the problems, the silt scraping part 3 is provided with a first embedded groove and a first magnet 37 arranged in the first embedded groove on the side wall of the outer ring, and the first magnet 37 and the silt scraping notch 321 are circumferentially spaced by 180 degrees. In this embodiment, the silt remover 3 is provided with two first caulking grooves and two first magnets 37, and the two first magnets 37 are arranged symmetrically with respect to the regulating tooth groove 33. The control section 13 is provided with a second caulking groove at the top of the placing area 134, and a second magnet 137 which can be mutually attracted with the first magnet 37 is embedded in the second caulking groove; the control section 13 is provided with a third caulking groove at the bottom of the placing area 134, and a third magnet 138 mutually attracted with the first magnet 37 is embedded in the third caulking groove. When the silt remover 3 is in a water passing state in the placing area 134, the first magnet 37 of the silt remover 3 and the second magnet 137 of the control section 13 attract each other; when the silt remover 3 is in a silt removing state in the placing area 134, the first magnet 37 of the silt remover 3 and the third magnet 138 of the control unit attract each other.

Referring to fig. 4 and 9, in order to avoid circumferential deflection of the silt remover 3 during sliding on the first pipe section 11 and the second pipe section 12, the first pipe section 11 and the second pipe section 12 are provided with guide sliding rails 17 on the inner walls thereof along the length direction thereof, and the silt remover 3 is provided with guide sliding grooves 38 matched with the guide sliding rails 17. In the present embodiment, the guide rails 17 of the first pipe segment 11 and the second pipe segment 12 are located on both sides of the placement area 134 and are located on the same straight line.

Referring to fig. 10 and 11, in the present embodiment, the silt remover 3 further defines a first blind hole on the outer wall thereof, and the ball spring plunger 39 is further disposed on the first blind hole. The ball spring plunger 39 includes a plunger housing 391, a plunger spring 392 mounted within the plunger housing 391, and a plunger ball 393, the plunger spring 392 causing the plunger ball 393 to always have a tendency to disengage in a direction away from the interior cavity of the plunger housing 391.

The inner wall of the placing area 134 of the control section 13 is further provided with a second blind hole, and a contact switch 139 is installed in the second blind hole. When the silt remover 3 in the silt removing state is in the setting area 134, the plunger ball 393 of the ball spring plunger 39 protrudes into the second blind hole and can trigger the contact switch 139.

The municipal drainage pipeline is also provided with a display lamp connected with the contact switch 139. When the contact switch 139 is triggered, the display lamp is turned on; otherwise, the display lamp is turned off. The staff can judge whether the piece 3 of scraping the silt is reset in the region 134 of placing with the state of scraping the silt through whether the pilot lamp is normally lighted.

With reference to fig. 1 to 11, the dredging steps of the municipal drainage pipeline are as follows:

1. when the municipal drainage pipeline is in a normal water flowing state, the silt scraper 3 is placed in the placing area 134 of the control section 13 in a water flowing state, the sealing plug 61 of the plug mechanism 6 is hermetically placed at the adjusting through hole 135, and the sealing plug 61 presses the silt scraper 3 on the inner wall of the control section 13;

2. the worker withdraws the sealing plug 61 of the plug mechanism 6 from the adjusting through hole 135 through the second driving mechanism, and moves the sliding platform 41 from the second station to the second station through the third driving mechanism, so that the adjusting gear 52 of the adjusting mechanism 5 is right opposite to the adjusting through hole 135, and then the adjusting gear 52 extends into the control section 13 through the adjusting through hole 135 through the first driving mechanism, so that the adjusting gear 52 is matched with the adjusting tooth groove 33 of the silt remover 3;

3. after the working personnel start the adjusting motor 53 to switch the silt remover 3 from the water-passing state to the desilting state, the adjusting gear 52 is withdrawn from the adjusting through hole 135 through the first driving mechanism;

4. the operator slides the silt scraping part 3 on the pipeline unit 1 through the pull ropes 36 on the two sides of the silt scraping part 3, so that the silt scraping part 3 cleans accumulated silt in the pipeline unit 1 into the drainage well 2;

5. the staff clears up the silt in the drainage well 2, and resets the silt remover 3 through the pull rope 36, in order to facilitate the resetting of the silt remover 3, the length can be marked on the pull rope 36, and at the moment, the display lamp is normally lighted up, which indicates that the silt remover 3 is normally reset in the placing area 134 in a desilting state;

6. the worker makes the adjusting gear 52 extend into the control section 13 through the adjusting through hole 135 by the first driving mechanism, makes the adjusting gear 52 and the adjusting tooth groove 33 cooperate, and switches the silt remover 3 from the dredging state to the water passing state by the adjusting motor 53;

7. the staff makes adjustment mechanism 5 reset through first actuating mechanism, makes slip platform 41 remove to the second station from first station through third actuating mechanism, makes sealed end cap 61 in the end cap mechanism 6 insert in adjusting the opening 135 through second actuating mechanism to compress tightly scraping silt piece 3 on the inner wall of control section 13.

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

Claims

1. The utility model provides a municipal drainage pipeline, includes two at least drainage wells (2) and connects in adjacent pipeline unit (1) between drainage well (2), its characterized in that, all still be equipped with in pipeline unit (1) can follow the length direction of pipeline unit (1) the piece (3) that scrapes silt that slides, scrape silt piece (3) have with the inner wall clearance fit of pipeline unit (1) scrape silt arc portion (31), the both sides of scraping silt piece (3) all are connected with stay cord (36) that extend to drainage well (2), scrape silt piece (3) still be equipped with connect in scrape silt baffle (32) of silt arc portion (31) inner ring, scrape silt baffle (32) have with scrape silt breach (321) that the breach of silt arc portion (31) is relative;

the pipeline unit (1) is also provided with an adjusting mechanism (5) for driving the silt scraping piece (3) to rotate, and the silt scraping piece (3) is driven by the adjusting mechanism (5) to have a water passing state and a silt scraping state; when the silt scraping piece (3) is in a silt scraping state, the silt scraping notch (321) is positioned at the top of the silt scraping piece (3); when scraping silt piece (3) and being in logical water state, scrape silt breach (321) and be located scrape the bottom of silt piece (3).

2. The municipal drainage pipeline according to claim 1, wherein the silt scraper (3) is provided with an adjusting tooth socket (33) circumferentially on the outer ring side wall of the silt scraper arc (31);

the pipeline unit (1) is provided with a placing area (134) for placing the silt scraping piece (3), and the side wall of the placing area (134) of the pipeline unit (1) is provided with an adjusting through hole (135) penetrating through the pipeline unit (1);

the adjusting mechanism (5) comprises an adjusting gear (52) which is matched with the adjusting tooth groove (33) and can pass through the adjusting through hole (135), an adjusting motor (53) which drives the adjusting gear (52) to rotate, and a first driving mechanism which drives the adjusting gear (52) to slide along the direction vertical to the axial line of the pipeline unit (1); the adjusting gear (52) is driven by the first driving mechanism and then can be partially inserted into the pipeline unit (1) through an adjusting through hole (135) and matched with the adjusting toothed groove (33).

3. The municipal drainage pipeline according to claim 2, wherein a plug mechanism (6) is further provided, and the plug mechanism (6) comprises a sealing plug (61) and a second driving mechanism for driving the sealing plug (61) to slide in a direction perpendicular to the axial direction of the pipeline unit (1); the sealing plug (61) can be inserted into the adjusting through hole (135) in a sealing manner and abuts against the outer wall of the silt scraping piece (3) after being driven by the second driving mechanism; the municipal drainage pipeline is also provided with a sliding platform (41) and a third driving mechanism for driving the sliding platform (41) to slide in a reciprocating manner along the direction parallel to the axis of the pipeline unit (1), and the adjusting mechanism (5) and the plug mechanism (6) are arranged on the sliding platform (41) in parallel; the sliding platform (41) is provided with a first station and a second station after being driven by the third driving mechanism; when the sliding platform (41) is in the first station, the adjusting gear (52) of the adjusting mechanism (5) is opposite to the adjusting through hole (135); when the sliding platform (41) is located at the second station, the sealing plug (61) of the plug mechanism (6) is opposite to the adjusting through hole (135).

4. The municipal drainage pipeline according to claim 3, further comprising an auxiliary base (136) for slidably mounting the sliding platform (41), wherein the auxiliary base (136) is fixed to the pipeline unit (1).

5. The municipal drainage pipeline according to claim 4, wherein the pipeline unit (1) is provided with guide rails (17) on the inner walls of the two sides of the placement area (134), and the sludge scraping member (3) is provided with guide chutes which are matched with the guide rails (17).

6. The municipal drainage pipeline according to claim 5, wherein the pipeline unit (1) comprises a first pipe section (11), a second pipe section (12) and a control section (13), wherein the first pipe section (11) and the second pipe section (12) are fixedly mounted at two ends of the control section (13), and the placement area (134) is arranged on the control section (13); a first support (133) is integrally arranged at the bottom of the control section (13); the municipal drainage pipeline is further provided with a second support (15) for supporting the first pipe section (11) and the second pipe section (12), the second support (15) is provided with a supporting arc surface (151) for supporting the first pipe section (11) or the second pipe section (12), the second support (15) is provided with a positioning convex part (152) on the supporting arc surface (151), and the first pipe section (11) and the second pipe section (12) are respectively provided with a positioning groove (16) for embedding the positioning convex part (152); the auxiliary base (136) is fixed on the control section (13).

7. The municipal drainage pipeline according to claim 3, wherein the outer wall of the sludge scraping member (3) is further provided with a first embedded groove and a first magnet (37) arranged in the first embedded groove, and the first magnet (37) and the sludge scraping notch (321) are circumferentially spaced by 180 degrees; the inner wall of the top of the placing area (134) of the pipeline unit (1) is provided with a second embedded groove and a second magnet (137) embedded in the second embedded groove; the inner wall of the bottom of the placing area (134) of the pipeline unit (1) is provided with a third embedded groove and a third magnet (138) embedded in the third embedded groove; when the silt scraping piece (3) is positioned in the placing area (134) and is in a water passing state, the first magnet (37) and the second magnet (137) are attracted with each other; when the silt scraping piece (3) is located a placing area (134) and is in a silt scraping state, the first magnet (37) and the third magnet (138) attract each other.

8. The municipal drainage pipeline according to claim 5, wherein the outer wall of the silt scraper (3) is further provided with a first blind hole, and a ball spring plunger (39) is mounted in the first blind hole; a second blind hole is formed in the inner wall of the placing area (134) of the pipeline unit (1), a contact switch (139) is installed in the second blind hole, and when the silt scraping piece (3) in the silt scraping state is located in the placing area (134), a plunger ball head (393) of the ball head spring plunger (39) extends into the second blind hole and triggers the contact switch (139); the pipeline unit (1) is also provided with a display lamp connected with the contact switch (139); when the contact switch (139) is triggered, the display lamp is turned on; otherwise, the display lamp is turned off.