CN117846121A - Municipal wastewater treatment pipe network anti-blocking maintenance device - Google Patents

Abstract

The utility model relates to the technical field of sewage pipe network maintenance, and discloses a municipal sewage treatment pipe network anti-blocking maintenance device, which comprises a main frame, a drilling mechanism arranged on one side of the main frame, and a plurality of groups of travelling mechanisms arranged on the main frame, wherein the travelling mechanisms are used for being attached to the inner wall of a sewage pipeline; the drilling mechanism comprises a drill bit detachably arranged on a main frame and a power piece used for driving the drill bit to rotate circumferentially, a plurality of cleaning plates are rotatably arranged on the main frame, one ends of the cleaning plates, which are close to the drilling mechanism, are hinged to the main frame, the other ends of the cleaning plates can rotate towards one side, which is close to or far away from the main frame, of the cleaning plates, and a driving assembly used for controlling each cleaning plate to rotate synchronously is arranged on the main frame. The application can utilize the drilling mechanism to strike the plug in the pipeline, and the cleaning plate brings the plug out of the pipeline, so that the effect of dredging efficiency is high.

Description

Municipal wastewater treatment pipe network anti-blocking maintenance device

Technical Field

The application relates to the technical field of sewage pipe network maintenance, in particular to a municipal sewage treatment pipe network anti-blocking maintenance device.

Background

Sewage pipe networks refer to pipe systems for collecting and transporting sewage, which are an important component of urban infrastructure, and have important significance for environmental protection and urban development.

Because the sewage pipe network is difficult to flow to a sewage plant and is intensively treated due to the condition that the pipeline is blocked when the sewage pipe network is used for conveying sewage, dredging and maintenance are required for the sewage pipeline.

However, the conventional pipeline dredging mode is generally manual, that is, a worker holds a rod-shaped tool to perform poking so as to remove the blockage in the sewage pipeline, and the defect of low working efficiency is common and needs to be improved.

Disclosure of Invention

In order to improve the mediation efficiency of pipeline, this application provides a municipal wastewater treatment pipe network anti-blocking maintenance device.

The application provides a municipal wastewater treatment pipe network prevents blockking up maintenance device adopts following technical scheme:

the utility model provides a municipal wastewater treatment pipe network prevents blockking up maintenance device, includes the body frame, sets up the drilling mechanism of body frame one side, sets up a plurality of running gear on the body frame, running gear is used for laminating with the inner wall of sewer line; the drilling mechanism comprises a drill bit detachably arranged on a main frame and a power piece used for driving the drill bit to rotate circumferentially, a plurality of cleaning plates are rotatably arranged on the main frame, one ends of the cleaning plates, which are close to the drilling mechanism, are hinged to the main frame, the other ends of the cleaning plates can rotate towards one side, which is close to or far away from the main frame, of the cleaning plates, and a driving assembly used for controlling each cleaning plate to rotate synchronously is arranged on the main frame.

Through adopting above-mentioned technical scheme, when the pipeline is blockked up, control the clearance board earlier and turn to with the main frame laminating, open the power piece again to make drilling mechanism stretch into the pipeline, with the plug in the impact pipeline of utilizing rotatory drill bit, thereby reach the purpose of mediation. After the drilling mechanism advances for a certain distance, the cleaning plate is controlled to rotate to one side far away from the main frame through the driving assembly, so that the cleaning plate is unfolded; and then the whole maintenance device is pulled towards the pipe orifice, and part of the blockage can be brought out by the cleaning plate in the process of moving towards the pipe orifice, so that the automatic cleaning of the blockage in the pipeline is realized. The dredging and cleaning mode does not need manual poking by workers, and has the advantages of low labor intensity and high dredging efficiency.

Optionally, the quantity of clearance board is two and is located the both sides of body frame respectively, drive assembly is including rotating the bidirectional screw that sets up on the body frame, be used for driving bidirectional screw circumference pivoted rotating member, respectively threaded connection on the different screw thread sections of bidirectional screw drive piece and articulated the gangbar that sets up between drive piece and adjacent clearance board, set up the through-hole that is used for supplying the gangbar to slip to wear to establish on the body frame.

Through adopting above-mentioned technical scheme, during the working of rotating member, two-way lead screw can rotate relative to the body frame for two drive blocks are synchronous to be opposite to or back to the motion, and then make two gangbars push-and-pull and rather than the clearance board that links to each other in step, in order to control two clearance boards synchronous rotation. So set up, not only need a set of rotating member just can drive two clearance boards and move, have the advantage of practicing thrift the energy consumption, can also improve the motion synchronism of each clearance board, save the clearance board and rotate the time spent in proper order to further improve the mediation efficiency of pipeline.

Optionally, the rotating member comprises a rotating motor, a driving bevel gear fixedly connected with an output shaft of the rotating motor, and a driven bevel gear meshed with one side of the driving bevel gear, wherein the driven bevel gear is coaxially fixed on the bidirectional screw rod.

Through adopting above-mentioned technical scheme, when the rotating electrical machines starts, the initiative taper gear can rotate along with the output shaft of rotating electrical machines to on transmitting torsion to driven bevel gear, make driven bevel gear drive two-way lead screw rotation, simple structure, transmission are effectual.

Optionally, the main frame comprises a positioning column and a plugging column detachably arranged at one side of the positioning column, and the drill bit is detachably connected at one side of the positioning column far away from the plugging column; the locating column is internally provided with a locating cavity for accommodating the rotating piece, a locating screw hole is formed in one side, facing the plugging column, of the locating cavity in a communicating mode, and a locating stud matched with the locating screw hole in a threaded mode is arranged on the plugging column.

Through adopting above-mentioned technical scheme, the shutoff post can shelter from the opening in location chamber to in the silt entering location chamber in the pipeline is favorable to guaranteeing the normal work of rotating member. When the rotating piece breaks down, the positioning stud can be screwed out from the positioning screw hole, so that the plugging column is separated from the positioning column, and the opening of the positioning cavity is opened, thereby facilitating overhaul and maintenance operations.

Optionally, offer on the reference column and be used for supplying each clearance board to rotate respectively the groove of stepping down that stretches into, sealing connection has waterproof cloth between the cell wall of the groove of stepping down and the clearance board, waterproof cloth cover is established in the outside of through-hole.

Through adopting above-mentioned technical scheme, the groove of stepping down can provide the space of stepping down of turning into the reference column for the clearance plate to reduce the occupation space of clearance plate when not using. The waterproof cloth can prevent sludge in the pipeline from entering the positioning cavity along the through holes so as to prevent the sludge from affecting the work of the rotating member.

Optionally, the body frame further includes many interconnect's spliced pole, the spliced pole is fixed with the connecting screw towards the lateral wall of shutoff post, has seted up first connecting screw far away from the lateral wall of shutoff post, the second connecting screw has been seted up to the lateral wall of locating screw far away from to the shutoff post, connecting screw can with first connecting screw or second connecting screw thread fit.

By adopting the technical scheme, when the spliced columns are assembled, the connecting stud on one spliced column is connected with the second connecting screw hole so as to connect the spliced column on the plugging column in a threaded manner; and then the connecting stud of the other splicing screw column is screwed into the first connecting screw hole of the last splicing column, so that the threaded connection of the two splicing columns can be realized. And the second step is repeated until the main frame reaches the required length, and operators can select and install splicing columns with different numbers according to requirements when in use so as to adapt to dredging pipelines with different lengths, so that the practicability is strong.

Optionally, the travelling mechanism comprises a sleeve sleeved on the outer side of the spliced pole, and a plurality of supporting legs connected to the sleeve, and a plurality of stop bolts are connected to the sleeve in a threaded manner; the landing leg comprises a fixed rod fixed on the sleeve, and a movable rod which is connected to one side of the fixed rod far away from the sleeve in a sliding manner, wherein a fastening bolt which can be abutted against the movable rod is connected to the fixed rod in a threaded manner, and a roller is connected to one side of the movable rod far away from the fixed rod.

Through adopting above-mentioned technical scheme, when installing running gear, establish the sleeve cover in the outside of spliced pole earlier, after the sleeve adjustment to required position, screw stop bolt for stop bolt supports tight spliced pole, can realize running gear's location. Then the length of the movable rod extending into the fixed rod is adjusted according to the inner diameter of the pipeline, and then the fastening bolt is screwed, so that the fastening bolt abuts against the movable rod, and the fixed rod and the movable rod can be relatively fixed. When the maintenance device moves along the pipeline, the roller can be attached to the inner wall of the pipeline so as to reduce friction resistance between the travelling mechanism and the pipeline.

Optionally, a rotating block is fixed on one side of the drill bit facing the positioning column, a sliding groove is formed in the side wall of the rotating block, far away from the central axis of the drill bit, a sliding block is slidably arranged in the sliding groove, a first spring is connected between the sliding block and the groove wall, far away from the opening of the sliding groove, the first spring has a trend of driving the sliding block to extend out of the sliding groove, and a guiding inclined plane is formed at one end, far away from the first spring, of the sliding block; the locating column is provided with a rotating ring groove for the rotating block to extend in, one side, far away from the central axis of the locating column, of the rotating ring groove is communicated with an anti-drop ring groove, the sliding block can extend into the anti-drop ring groove under the action of a first spring, and the outer wall of the locating column is provided with a push hole communicated with the anti-drop ring groove.

Through adopting above-mentioned technical scheme, when installing the drill bit, will rotate the piece earlier and remove to the rotatory annular, the direction inclined plane can be contacted with the reference column for the slider compresses first spring and gets into in the spout completely. After the sliding block moves to be aligned with the anti-falling ring groove, the first spring drives the sliding block to enter the anti-falling ring groove. At this time, the groove wall of one side of the anti-drop ring groove close to the drill bit can limit the sliding block from falling off, so that the drill bit is not easy to separate from the positioning column.

Optionally, set up the indent that communicates each other with the push away hole on the outer wall of reference column, it is provided with the briquetting to slide in the indent, one side of briquetting orientation anticreep annular is fixed with the ejector pad, the ejector pad slides and wears to establish in the push away hole, be provided with the second spring between the cell wall of briquetting and indent, the second spring has the trend of order about the ejector pad to shift out the anticreep annular.

Through adopting above-mentioned technical scheme, after the drill bit wearing and tearing, control slider moves to align with the ejector pad earlier, presses the briquetting to the one side that is close to the anticreep annular again for second spring compression deformation produces elasticity, and the ejector pad can move and push into the spout with the slider completely in with the ejector pad thereupon, so that demolish the drill bit from the reference column. After the pressing block is loosened, the elastic force generated by the second spring can drive the pressing block to automatically reset, so that the pushing block automatically moves out of the anti-drop ring groove, and the pushing block is prevented from affecting the installation of a subsequent drill bit.

Optionally, an indication block aligned with the sliding block is integrally formed on the outer wall of the drill bit.

Through adopting above-mentioned technical scheme, the instruction piece is located the outside of drill bit, has the effect of the slider position of the operating personnel of being convenient for confirm.

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

1. when the pipeline is dredged, the drill bit can impact the blockage in the pipeline, and the unfolded cleaning plate can push part of the blockage out of the pipeline, so that compared with the traditional manual poking mode, the pipeline dredging device has the effects of low labor intensity and high dredging efficiency;

2. when the driving assembly works, the two cleaning plates can synchronously rotate relative to the main frame, so that the time for sequentially rotating the cleaning plates is saved, and the dredging efficiency is further improved; the blocking column and the waterproof cloth can block sludge in the pipeline from entering the positioning cavity, so that the normal operation of the rotating piece can be guaranteed;

3. the drill bit is detachably connected to the positioning column, so that the drill bit can be independently removed after being worn; when the drill bit is removed, an operator only needs to press the pressing block, and the pushing block can be controlled to push the sliding block away from the anti-drop ring groove, so that the operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present application.

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application as it extends into a pipe.

Fig. 3 is an exploded schematic view of an embodiment of the present application.

Fig. 4 is an enlarged schematic view at a in fig. 2.

FIG. 5 is a schematic view of the configuration of the purge plate and drive assembly in an embodiment of the present application.

Fig. 6 is a schematic structural view of a walking mechanism in an embodiment of the present application.

Reference numerals illustrate:

1. a main frame; 11. positioning columns; 111. a positioning cavity; 112. positioning screw holes; 113. a receiving groove; 114. rotating the ring groove; 115. an anti-drop ring groove; 116. pressing a groove; 117. briquetting; 118. pushing holes; 119. a pushing block; 12. plugging the column; 121. positioning a stud; 122. the second connecting screw hole; 13. splicing columns; 131. a connecting stud; 132. a first connecting screw hole; 14. a second spring; 15. a relief groove; 16. a through hole; 2. a drilling mechanism; 21. a drill bit; 211. a power tank; 212. a rotating block; 213. a chute; 214. a slide block; 215. a first spring; 216. a guide slope; 217. an indication block; 22. a power member; 221. a power motor; 222. a power block; 3. a walking mechanism; 31. a sleeve; 311. a stop bolt; 32. a support leg; 321. a fixed rod; 322. a movable rod; 323. a fastening bolt; 33. a roller; 4. a cleaning plate; 5. a drive assembly; 51. a two-way screw rod; 52. a rotating member; 521. a rotating electric machine; 522. a drive bevel gear; 523. a driven bevel gear; 53. a driving block; 54. a linkage rod; 6. waterproof cloth.

Detailed Description

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

The embodiment of the application discloses a municipal wastewater treatment pipe network anti-blocking maintenance device.

Referring to fig. 1 and 2, the municipal sewage treatment pipe network anti-blocking maintenance device comprises a main frame 1, a drilling mechanism 2 arranged on one side of the main frame 1, and a plurality of groups of travelling mechanisms 3 arranged on the main frame 1, wherein the travelling mechanisms 3 are preferably two groups in the embodiment. When the maintenance device stretches into the pipeline, the travelling mechanism 3 is mutually attached to the inner wall of the sewage pipeline.

Referring to fig. 1, a main frame 1 includes a positioning column 11, a plugging column 12 detachably disposed at one side of the positioning column 11, and a plurality of mutually connected splicing columns 13, wherein the splicing columns 13 are located at one side of the plugging column 12 far away from the positioning column 11, the two structures of the two structures are schematically illustrated by the splicing columns 13, and two groups of travelling mechanisms 3 are respectively mounted on different splicing columns 13.

Referring to fig. 2 and 3, a positioning cavity 111 is formed in the positioning column 11, a positioning screw hole 112 is formed in the side, facing the plugging column 12, of the positioning cavity 111 in a communicating manner, a positioning stud 121 is fixed on the side, facing the positioning column 11, of the plugging column 12, and the positioning stud 121 can be matched with the positioning screw hole 112 so as to connect the plugging column 12 to the positioning column 11 in a threaded manner.

Referring to fig. 2 and 3, the connecting stud 131 is fixed on the side wall of the splicing column 13 facing the plugging column 12, the first connecting screw hole 132 is provided on the side wall far away from the plugging column 12, the second connecting screw hole 122 is provided on the side wall far away from the positioning stud 121 of the plugging column 12, and the connecting stud 131 can be in threaded fit with the first connecting screw hole 132 or the second connecting screw hole 122, so that the adjacent splicing columns 13, 13 and 12 can be connected in a threaded fit manner.

Referring to fig. 2 and 4, the drilling mechanism 2 includes a drill bit 21, and a power member 22 for driving the drill bit 21 to rotate circumferentially, and the drill bit 21 is detachably disposed on a side of the positioning column 11 remote from the plugging column 12. The power piece 22 comprises a power motor 221 and a power block 222 fixedly connected with an output shaft of the power motor 221, the side wall of the positioning column 11, facing the drill bit 21, is provided with a containing groove 113, and the power motor 221 is arranged in the containing groove 113. In order to control the rotational speed of the drill 21, the power motor 221 is preferably a speed-adjustable motor whose rotational speed is freely adjustable.

Referring to fig. 2, a power groove 211 is formed in the middle of the side wall of the drill bit 21 facing the positioning column 11, and the cross sections of the power block 222 and the power groove 211 are in non-circular shapes, so that the power block 222 can drive the drill bit 21 to rotate when the power motor 221 is started. In this embodiment, the cross sections of the power block 222 and the power groove 211 are preferably regular hexagons, and in other embodiments, the cross sections may be quadrilateral, pentagonal, heptagonal, or the like.

Referring to fig. 2 and 4, a rotating block 212 is fixed on one side of the drill bit 21 facing the positioning column 11, a sliding groove 213 is formed in the side wall of the rotating block 212, which is far away from the central axis of the drill bit 21, a sliding block 214 is slidably arranged in the sliding groove 213, a first spring 215 is connected between the sliding block 214 and the groove wall of the sliding groove 213, which is far away from the opening of the sliding groove, the expansion and contraction direction of the first spring 215 is parallel to the radial direction of the drill bit 21, and a guiding inclined surface 216 is arranged at one end of the sliding block 214, which is far away from the first spring 215. When the first spring 215 is in a natural state, the guiding inclined surface 216 is located at the outer side of the sliding groove 213, i.e. the first spring 215 has a tendency that the sliding block 214 protrudes out of the sliding groove 213.

Referring to fig. 2 and 4, a rotation ring groove 114 is formed in a side wall of the positioning column 11, which faces the drill bit 21, and an anti-drop ring groove 115 is formed in communication with a side of the rotation ring groove 114, which is far away from the central axis of the positioning column 11, wherein the rotation ring groove 114 can allow the rotation block 212 to extend into and rotate, and the anti-drop ring groove 115 can allow the sliding block 214 to extend into and rotate. The sliding block 214 can extend into the anti-falling ring groove 115 under the action of the first spring 215 so as to realize the connection between the drill bit 21 and the positioning column 11. To facilitate the operator's external observation of the position of the slide 214, an indicator block 217 is integrally formed on the outer wall of the drill bit 21, the indicator block 217 being aligned with the slide 214.

Referring to fig. 2 and 4, a pressing groove 116 is formed in the circumferential side wall of the positioning column 11, and a pressing block 117 is slidably provided in the pressing groove 116. A push hole 118 is formed between the pressing groove 116 and the anti-drop ring groove 115, the width of the push hole 118 is smaller than that of the pressing block 117, a push block 119 is arranged in the push hole 118 in a sliding mode, and the push block 119 is fixedly connected with the pressing block 117. A second spring 14 is connected between the pressing block 117 and the groove wall of the pressing groove 116, which is far away from the opening of the pressing groove, when the second spring 14 is in a natural state, the pressing block 117 pulls the pushing block 119 to the side far away from the anti-drop ring groove 115, so that the pushing block 119 moves out of the anti-drop ring groove 115. When the drill bit 21 is removed, the pushing block 119 can be controlled to push the sliding block 214 out of the anti-drop ring groove 115 only by pressing the pressing block 117 to the side close to the anti-drop ring groove 115, so that the drill bit 21 and the positioning column 11 can be conveniently detached.

Referring to fig. 2, two abdicating grooves 15 are provided on the circumferential side wall of the positioning column 11, a cleaning plate 4 is rotatably provided in each abdicating groove 15, one end of the cleaning plate 4 close to the drilling mechanism 2 is hinged on the positioning column 11, and the other end can rotate to a side close to or far from the positioning column 11.

Referring to fig. 2 and 5, a driving assembly 5 is arranged on a positioning column 11 and used for controlling each cleaning plate 4 to synchronously rotate, the driving assembly 5 comprises a bidirectional screw rod 51, a rotating piece 52 used for driving the bidirectional screw rod 51 to circumferentially rotate, driving blocks 53 respectively connected with different thread sections of the bidirectional screw rod 51 in a threaded mode, and a linkage rod 54 arranged between the driving blocks 53 and the adjacent cleaning plates 4 in a hinged mode, the rotating piece 52 is located in a positioning cavity 111, and the bidirectional screw rod 51 is rotatably arranged on two opposite side cavity walls of the positioning cavity 111. A through hole 16 is formed between the positioning cavity 111 and the relief groove 15 in a communicating manner, and the linkage rod 54 is slidably arranged in the through hole 16.

Referring to fig. 5, the rotary member 52 includes a rotary motor 521 disposed in the positioning chamber 111, a drive bevel gear 522 fixedly coupled to an output shaft of the rotary motor 521, and a driven bevel gear 523 engaged on one side of the drive bevel gear 522, the driven bevel gear 523 being fixedly coupled to the bi-directional screw 51. The rotary motor 521 is preferably a servo motor in which the output shaft can rotate in the forward and reverse directions. When the rotating motor 521 works, the driving bevel gear 522 synchronously rotates along with the output shaft of the rotating motor 521, so that the driven bevel gear 523 drives the bidirectional screw rod 51 to rotate, and further, the two driving blocks 53 move in opposite directions or back directions, and the linkage rod 54 synchronously pushes and pulls the cleaning plate 4 connected with the driving bevel gear 522, thereby controlling the cleaning plate 4 to synchronously rotate.

Referring to fig. 2 and 3, in order to ensure the working stability of the rotating member 52, a waterproof cloth 6 is connected between the groove wall of the yielding groove 15 and the cleaning plate 4 in a sealing manner, and the waterproof cloth 6 is made of a fabric capable of generating elastic deformation and is covered on the outer side of the through hole 16, so as to play a role in blocking sludge in the pipeline from entering the positioning cavity 111.

Referring to fig. 6, the travelling mechanism 3 includes a sleeve 31, a plurality of legs 32 connected to the sleeve 31, and the sleeve 31 is sleeved outside the spliced pole 13. The sleeve 31 is screwed with a plurality of stop bolts 311, the stop bolts 311 are equal to the number of the support legs 32 and are distributed alternately, and specifically, the number of the stop bolts 311 and the support legs 32 is preferably four. After the sleeve 31 is sleeved in place, the stop bolt 311 is screwed, and the head of the stop bolt 311 can press the sleeve 31 on the splicing column 13, so that the travelling mechanism 3 is positioned.

Referring to fig. 6, the leg 32 includes a fixed rod 321 fixed on the sleeve 31, and a movable rod 322 slidably connected to a side of the fixed rod 321 far from the sleeve 31, wherein a fastening bolt 323 is screwed on the fixed rod 321, and the fastening bolt 323 can tightly support the movable rod 322 to fix the fixed rod 321 and the movable rod 322 relatively. In order to reduce the friction resistance between the running mechanism 3 and the pipeline, a roller 33 is connected to one side of the movable rod 322 away from the fixed rod 321.

The implementation principle of the anti-blocking maintenance device for the municipal sewage treatment pipe network is as follows: when the pipeline is dredged, the driving assembly 5 controls the cleaning plates 4 to be shifted into the yielding groove 15, and then the power piece 22 is started, so that the drill bit 21 rotates relative to the positioning column 11, and the rotating drill bit 21 is used for impacting the blockage in the pipeline, so that the dredging purpose is achieved. After the drilling mechanism 2 is screwed into a certain distance, the cleaning plate 4 is controlled by the driving assembly 5 to rotate out of the yielding groove 15, so that the cleaning plate 4 is unfolded to the maximum extent, then the main frame 1 is pulled towards the pipe orifice of the pipeline, and part of the blockage can be brought out of the cleaning plate 4 in the process of moving towards the pipe orifice, so that the automatic cleaning of the blockage in the pipeline is realized, the labor intensity is low, and the dredging efficiency is high.

In practical application, to further reduce the labor intensity of workers, the spliced pole 13 may be connected to a tractor, so as to control the maintenance device to move into or out of the pipeline by using the tractor.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. Municipal wastewater treatment pipe network prevents blockking up maintenance device, its characterized in that: the sewage pipeline treatment device comprises a main frame (1), a drilling mechanism (2) arranged on one side of the main frame (1) and a plurality of groups of travelling mechanisms (3) arranged on the main frame (1), wherein the travelling mechanisms (3) are used for being attached to the inner wall of a sewage pipeline; drilling mechanism (2) including dismantling drill bit (21) that set up on body frame (1), be used for the drive drill bit (21) circumferential direction power piece (22), rotate on body frame (1) and be provided with a plurality of clearance boards (4), the one end that clearance board (4) are close with drilling mechanism (2) articulates on body frame (1), the other end can be to being close to or keep away from one side rotation of body frame (1), be provided with on body frame (1) and be used for controlling each clearance board (4) synchronous pivoted drive assembly (5).

2. The municipal sewage treatment pipe network anti-clogging maintenance device according to claim 1, wherein: the cleaning plates (4) are two in number and are respectively located on two sides of the main frame (1), the driving assembly (5) comprises a bidirectional screw rod (51) which is arranged on the main frame (1) in a rotating mode, a rotating piece (52) which is used for driving the bidirectional screw rod (51) to rotate circumferentially, driving blocks (53) which are respectively connected with different thread sections of the bidirectional screw rod (51) in a threaded mode, and a linkage rod (54) which is arranged between the driving blocks (53) and the adjacent cleaning plates (4) in a hinged mode, and through holes (16) which are used for the linkage rod (54) to slide and penetrate are formed in the main frame (1).

3. The municipal sewage treatment pipe network anti-clogging maintenance device according to claim 2, wherein: the rotary piece (52) comprises a rotary motor (521), a driving bevel gear (522) fixedly connected with an output shaft of the rotary motor (521) and a driven bevel gear (523) meshed with one side of the driving bevel gear (522), and the driven bevel gear (523) is coaxially fixed on the bidirectional screw rod (51).

4. The municipal sewage treatment pipe network anti-clogging maintenance device according to claim 3, wherein: the main frame (1) comprises a positioning column (11) and a plugging column (12) detachably arranged on one side of the positioning column (11), and the drill bit (21) is detachably connected to one side, far away from the plugging column (12), of the positioning column (11); the positioning column (11) is internally provided with a positioning cavity (111) for accommodating the rotating piece (52), one side of the positioning cavity (111) facing the plugging column (12) is communicated with a positioning screw hole (112), and the plugging column (12) is provided with a positioning stud (121) in threaded fit with the positioning screw hole (112).

5. The municipal sewage treatment pipe network anti-clogging maintenance device according to claim 4, wherein: offer on reference column (11) and be used for supplying each clearance board (4) to rotate respectively and stretch into groove (15) of stepping down, sealing connection has waterproof cloth (6) between cell wall and clearance board (4) of groove (15) of stepping down, waterproof cloth (6) cover is established in the outside of through-hole (16).

6. The municipal sewage treatment pipe network anti-clogging maintenance device according to claim 4, wherein: the main frame (1) further comprises a plurality of mutually connected spliced columns (13), connecting studs (131) are fixed on the side walls of the spliced columns (13) facing the plugging columns (12), first connecting screw holes (132) are formed in the side walls of the plugging columns (12) far away from the spliced columns, second connecting screw holes (122) are formed in the side walls of the plugging columns (12) far away from the positioning studs (121), and the connecting studs (131) can be in threaded fit with the first connecting screw holes (132) or the second connecting screw holes (122).

7. The municipal sewage treatment pipe network anti-clogging maintenance device according to claim 6, wherein: the travelling mechanism (3) comprises a sleeve (31) sleeved on the outer side of the splicing column (13), and a plurality of supporting legs (32) connected to the sleeve (31), wherein a plurality of stop bolts (311) are connected to the sleeve (31) in a threaded manner; the landing leg (32) is including fixing dead lever (321) on sleeve (31), sliding connection is kept away from movable rod (322) of sleeve (31) one side at dead lever (321), threaded connection has fastening bolt (323) that can support tightly in movable rod (322) on dead lever (321), one side that dead lever (322) kept away from dead lever (321) is connected with gyro wheel (33).

8. The municipal sewage treatment pipe network anti-clogging maintenance device according to claim 4, wherein: a rotating block (212) is fixed on one side of the drill bit (21) facing the positioning column (11), a sliding groove (213) is formed in the side wall of the rotating block (212) far away from the central axis of the drill bit (21), a sliding block (214) is slidably arranged in the sliding groove (213), a first spring (215) is connected between the sliding block (214) and the groove wall of the sliding groove (213) far away from the opening of the drill bit, the first spring (215) has a trend of driving the sliding block (214) to extend out of the sliding groove (213), and one end of the sliding block (214) far away from the first spring (215) is provided with a guide inclined surface (216); the locating column (11) is provided with a rotating ring groove (114) used for allowing a rotating block (212) to extend in, one side, far away from the central axis of the locating column (11), of the rotating ring groove (114) is communicated with an anti-drop ring groove (115), the sliding block (214) can extend into the anti-drop ring groove (115) under the action of a first spring (215), and the outer wall of the locating column (11) is provided with a push hole (118) communicated with the anti-drop ring groove (115).

9. The municipal sewage treatment pipe network anti-clogging maintenance device according to claim 8, wherein: set up on the outer wall of reference column (11) with push away hold (118) intercommunication indent (116) each other, slide in indent (116) and be provided with briquetting (117), one side of briquetting (117) towards anticreep annular (115) is fixed with ejector pad (119), ejector pad (119) slide and wear to establish in push away hole (118), be provided with second spring (14) between the cell wall of briquetting (117) and indent (116), second spring (14) have the trend of order about ejector pad (119) to shift out anticreep annular (115).

10. The municipal sewage treatment pipe network anti-clogging maintenance device according to claim 9, wherein: an indication block (217) aligned with the sliding block (214) is integrally formed on the outer wall of the drill bit (21).