CN213268299U

CN213268299U - Drainage pipeline large-pipe-diameter CCTV detects and desilting maintenance pull wire wears to draw ware

Info

Publication number: CN213268299U
Application number: CN202022110788.5U
Authority: CN
Inventors: 韩林
Original assignee: Anhui Haoyu Construction Engineering Co ltd
Current assignee: Anhui Haoyu Construction Engineering Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-25
Anticipated expiration: 2030-09-23

Abstract

The application relates to a drainage pipeline large-diameter CCTV detection and desilting maintenance pull wire threading device, which comprises a guide pipe, a pipe penetrating guide device, a pipe penetrating floater and a fishing hook, wherein the pipe penetrating guide device is provided with an inner cavity, one end of the pipe penetrating guide device is provided with an opening, one end of the pipe penetrating guide device, which is provided with the opening, is in threaded connection with a pipe penetrating cover, the pipe penetrating cover is provided with a first through hole, the inner peripheral surface of the first through hole is fixedly connected with a waterproof ring, one end of the guide pipe, which is close to the pipe penetrating guide device, is detachably connected with a metal pipe, and the metal pipe is in inserting fit with the pipe penetrating cover; a fixing mechanism for fixing the metal tube is arranged in the inner cavity. This application leads positive ware threaded connection through poling lid and poling earlier, pegs graft the tubular metal resonator in the first through-hole of poling lid again, interference fit between waterproof circle and the tubular metal resonator this moment has improved the leakproofness between tubular metal resonator and the poling lid, and fixed establishment can fix the tubular metal resonator in addition, reaches the purpose that the positive ware leakproofness was led to the reinforcing poling.

Description

Drainage pipeline large-pipe-diameter CCTV detects and desilting maintenance pull wire wears to draw ware

Technical Field

The application relates to the technical field of pipeline maintenance, in particular to a drainage pipeline large-pipe-diameter CCTV detection and dredging maintenance pull wire threading device.

Background

At present, the condition in the drainage pipe can be checked by adopting a pipeline endoscopic system (CCTV) detection facility, the danger caused by that an operator directly enters the pipeline is avoided, when the conditions that the water level in the drainage pipe is higher, sludge is thicker, obstacles are more and the like are met, a pull wire can firstly pass through the drainage pipe, and then the pull rope drives the CCTV detection facility to enter the drainage pipe, so that the detection purpose is achieved.

The related technology can refer to the Chinese utility model patent with the publication number of CN205839949U, which discloses a drainage pipeline large-diameter CCTV detection and desilting maintenance pull line threading device, comprising a pipe punching guide track, a conduit, a pipe threading guide device, a pipe threading floater, a pipe threading guide device, an adjusting rope and a fishing mechanism; in the pipeline was got into along the direction of leading positive track notch during the poling, salvaged the hook and be used for leading when just ware was gone into next well to the poling, salvage poling and leading ware and regulation rope, the poling is led the ware and is sleeved on first pipe and twine tightly firmly with the adhesive tape with waste thick wall plastic bottle, prevents that water from getting into to increase poling and leading ware weight in the bottle.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the plastic bottle sleeved on the guide pipe is tightly wound with the adhesive tape, and the adhesive tape is easy to fall off after encountering water, so that the tightness between the plastic bottle and the guide pipe is reduced, water flow possibly enters the plastic bottle, the weight of the through pipe guide device is increased, and the normal use of the through pipe guide device is influenced.

SUMMERY OF THE UTILITY MODEL

In order to strengthen the leakproofness of poling guide, the application provides a drainage pipe line major diameter CCTV detects and desilting maintenance pull wire wears to draw ware.

The application provides a pair of drainage pipeline big pipe diameter CCTV detects and desilting maintenance pull wire wears to draw ware adopts following technical scheme:

a drainage pipeline large-diameter CCTV detection and dredging maintenance traction line threading device comprises a guide pipe, a pipe penetration guider, a pipe penetration floater and a fishing hook, wherein the pipe penetration guider is provided with an inner cavity, one end of the pipe penetration guider is provided with an opening, one end of the pipe penetration guider provided with the opening is in threaded connection with a pipe penetration cover, the pipe penetration cover is provided with a first through hole, the inner peripheral surface of the first through hole is fixedly connected with a waterproof ring, one end of the guide pipe close to the pipe penetration guider is detachably connected with a metal pipe, and the metal pipe is in splicing fit with the pipe penetration cover; and a fixing mechanism for fixing the metal tube is arranged in the inner cavity.

By adopting the technical scheme, the through pipe guide is firstly connected with the through pipe guide through the through pipe cover in a threaded manner, and the through pipe guide is preliminarily sealed; the metal pipe is inserted into the first through hole of the pipe penetrating cover, and the waterproof ring is in interference fit with the metal pipe, so that a gap between the metal pipe and the inner wall of the first through hole can be sealed, and the sealing property between the metal pipe and the pipe penetrating cover is improved; in addition, the fixing mechanism can fix the metal pipe and reduce the possibility of the metal pipe moving continuously, thereby reducing the possibility of water flow entering the penetrating pipe guider and achieving the purpose of enhancing the sealing property of the penetrating pipe guider.

Preferably, the fixing mechanism comprises a fixing tube, a connecting ring and a plurality of elastic sheets, the fixing tube is fixedly connected to the inner wall of the inner cavity, the connecting ring is fixedly connected to the inner circumferential surface of the fixing tube, and the elastic sheets are uniformly distributed on the inner circumferential surface of the connecting ring along the circumferential direction of the connecting ring; and a pushing assembly for pushing the elastic sheet is arranged in the fixed pipe.

Through adopting above-mentioned technical scheme, the tubular metal resonator removes the in-process to the fixed intraductal, and the tubular metal resonator contacts and then promotes the flexure strip with the flexure strip, makes the flexure strip crooked to the direction of keeping away from wearing the tube cap, after the tubular metal resonator passes the fixed pipe, under the elastic force effect of flexure strip, makes flexure strip and tubular metal resonator support tightly to this removal of having restricted the tubular metal resonator has avoided the tubular metal resonator to keeping away from the problem that the fixed pipe place direction removed effectively, thereby plays the purpose of fixing the tubular metal resonator firmly.

Preferably, the pushing assembly comprises a pushing pipe, a transition pipe, a pushing ring and two pressing blocks, one end of the pushing pipe abuts against one side, close to the pipe penetrating cover, of the elastic sheet, one end of the transition pipe is fixedly connected to one end, far away from the elastic sheet, of the pushing pipe, the metal pipe sequentially penetrates through the first through hole, the transition pipe and the pushing pipe, the inner peripheral surface of the pushing ring is fixedly connected to the outer peripheral surface, far away from one end of the pushing pipe, of the transition pipe, one ends of the two pressing blocks are fixedly connected to one side, far away from the transition pipe, of the pushing ring, and the pushing pipe is connected to the inner peripheral surface of the connecting ring along the axial direction.

Through adopting above-mentioned technical scheme, drive the throw-out collar through pressing down two according to the briquetting and remove, the throw-out collar removes and drives the transition pipe and remove, and the transition pipe removes and drives the throw-out collar and remove, and the throw-out collar promotes the pipe and promotes the flexure strip and to keeping away from the direction bending of wearing the tube cap this moment, and the flexure strip is no longer contacted with the tubular metal resonator after the deformation to can remove the tubular metal resonator, reach the purpose convenient to detach and installation tubular metal resonator.

Preferably, the pushing pipe is trumpet-shaped, and the outer diameter of the pushing pipe is linearly increased from the end close to the transition pipe to the end far away from the transition pipe.

Through adopting above-mentioned technical scheme, through the shape that sets up the propulsion pipe, keep promoting the tip butt that the pipe end is close to the connecting pipe with the flexure strip to when promoting the propulsion pipe, make the flexure strip to keeping away from producing great deformation in the direction of wearing the tube cap, thereby reach the purpose of convenient to detach tubular metal resonator.

Preferably, the inner peripheral surface of the fixed pipe close to the end of the push ring is fixedly connected with a limit ring, and the transition pipe is connected to the inner peripheral surface of the limit ring in a sliding manner along the axial direction of the fixed pipe.

Through adopting above-mentioned technical scheme, through setting up the spacing ring, when the promotion pipe slides, can play spacing effect to the promotion pipe, prevent to promote the pipe roll-off from the fixed intraductal roll-off to can play and carry out spacing purpose to the promotion subassembly, therefore can reduce the possibility that the promotion subassembly takes place to lose.

Preferably, the pipe penetrating cover is provided with second through holes, the outer side face of the pipe penetrating cover corresponds to the two rubber blocks fixedly connected to the positions of the two second through holes, the two rubber blocks are provided with grooves, and the two pressing blocks are matched with the two grooves respectively.

Through adopting above-mentioned technical scheme, when the poling lid is connected on the poling is led and is just managed, through directly pressing the rubber block, the rubber block deformation back promotes the removal of pressing the piece to reach the purpose of convenient to detach tubular metal resonator when waterproof.

Preferably, the tubular metal resonator with be provided with coupling assembling between the pipe, coupling assembling includes fixed plate, connecting pipe and two bolts, fixed plate fixed connection in the pipe is close to the outer peripheral face of tubular metal resonator one end, connecting pipe fixed connection the tubular metal resonator is close to the one end of pipe, two the bolt runs through the fixed plate all with connecting pipe threaded connection.

Through adopting above-mentioned technical scheme, through setting up the mode that uses the bolt to be connected between fixed plate and the connecting pipe, be convenient for be connected tubular metal resonator and pipe, play the effect of being convenient for install and dismantle the pipe.

Preferably, a rubber pad is arranged between the fixing plate and the connecting pipe, and the bolt penetrates through the rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad has good sealing performance, can shutoff gap between fixed plate and the connecting pipe to play waterproof purpose between connecting pipe and the fixed plate.

To sum up, this application includes following at least one big pipe diameter CCTV of drain line and detects and desilting maintenance pull wire and wear to draw ware beneficial technological effect:

1. firstly, the tube penetrating guide is in threaded connection with a tube penetrating guide through a tube penetrating cover, and the tube penetrating guide is preliminarily sealed; the metal pipe is inserted into the first through hole of the pipe penetrating cover, and the waterproof ring is in interference fit with the metal pipe, so that a gap between the metal pipe and the inner wall of the first through hole can be sealed, and the sealing property between the metal pipe and the pipe penetrating cover is improved; in addition, the fixing mechanism can fix the metal pipe, so that the possibility of the metal pipe moving continuously is reduced, the possibility of water flow entering the penetrating pipe guider is reduced, and the purpose of enhancing the sealing property of the penetrating pipe guider is achieved;

2. when the metal pipe moves into the fixed pipe, the metal pipe contacts with the elastic sheet to push the elastic sheet to bend the elastic sheet in the direction away from the pipe penetrating cover, and after the metal pipe penetrates through the fixed pipe, the elastic sheet is tightly abutted against the metal pipe under the action of the elastic force of the elastic sheet, so that the movement of the metal pipe is limited, the problem that the metal pipe moves in the direction away from the fixed pipe is effectively solved, and the purpose of stably fixing the metal pipe is achieved;

3. the push ring is driven to move by pressing the two press blocks, the push ring moves to drive the transition pipe to move, the transition pipe moves to drive the push pipe to move, the push pipe pushes the elastic sheet to bend towards the direction far away from the pipe penetrating cover, and the elastic sheet does not contact with the metal pipe after deformation, so that the metal pipe can be moved, and the aims of facilitating disassembly and installing the metal pipe are fulfilled.

Drawings

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

FIG. 2 is a schematic view of a highlighted connection assembly in an embodiment of the present application;

FIG. 3 is a partial cross-sectional view of a lead through in an embodiment of the present application.

Description of reference numerals: 1. a conduit; 2. a pipe penetrating guider; 21. an inner cavity; 22. penetrating a pipe cover; 221. a first through hole; 2211. a waterproof ring; 222. a second through hole; 223. a rubber block; 2231. a groove; 3. a pipe-penetrating floater; 4. fishing the hook; 5. a metal tube; 6. a fixing mechanism; 61. a fixed tube; 62. a connecting ring; 63. an elastic sheet; 64. a pushing assembly; 641. pushing the pipe; 642. a transition duct; 643. a push ring; 644. a pressing block; 65. a limiting ring; 7. a connecting assembly; 71. a fixing plate; 72. a connecting pipe; 73. a bolt; 74. and (7) a rubber pad.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses big pipe diameter CCTV of drain line detects and desilting maintenance pull wire threading ware, as shown in figure 1, including pipe 1, the poling is led and is just managed 2, poling floater 3 and salvages hook 4, poling is led and just is managed 2 and is the tubular structure, and the poling is led the both ends pipe diameter of just ware 2 and is inequality, the less one end of poling 2 pipe diameters is led to the poling is connected with tubular metal resonator 5, tubular metal resonator 5 can dismantle with pipe 1 and be connected, through getting into sewer pipe after the bending with pipe 1, under the poling is led and is managed 2 and poling floater 3's supplementary do, move gradually to next well head from last well head.

As shown in fig. 2, a connection assembly 7 is disposed between the metal tube 5 and the conduit 1, the connection assembly 7 includes a fixing plate 71, a connection pipe 72 and two bolts 73, the fixing plate 71 is a circular ring-shaped plate, the conduit 1 penetrates through the fixing plate 7 and the fixing plate 71 and is fixedly connected to the conduit 1, the connection pipe 72 is fixedly connected to one end of the metal tube 5 close to the conduit 1, a circular ring-shaped rubber pad 74 is disposed between the fixing plate 71 and the connection pipe 72, an inner diameter of the fixing plate 71, an inner diameter of the rubber pad 74 and an outer diameter of the connection pipe 72 are the same, two threaded holes are disposed on an end surface of the connection pipe 72. Through setting up the mode that uses bolt 73 to be connected between fixed plate 71 and the connecting pipe 72, be convenient for be connected tubular metal resonator 5 and pipe 1, play the effect of being convenient for install and dismantle pipe 1, simultaneously because rubber pad 74 has good sealing performance, can shutoff gap between fixed plate 71 and the connecting pipe 72, play the waterproof purpose of connecting pipe 72 and fixed plate 71 junction.

As shown in fig. 3, an inner cavity 21 is formed in the penetrating pipe guider 2, an opening is formed in the end of the penetrating pipe guider 2 with a smaller pipe diameter, the end of the penetrating pipe guider 2 with the opening is connected with a penetrating pipe cover 22 through a thread, a first through hole 221 is formed in the penetrating pipe cover 22, the first through hole 221 is circular, a waterproof ring 2211 is fixedly connected to the penetrating pipe cover 22, the waterproof ring 2211 is located on the inner circumferential surface of the first through hole 221, and the metal pipe 5 is in plug-in fit with the penetrating pipe cover 22. The tube penetrating guide device 2 is connected with the tube penetrating guide device 2 through a tube penetrating cover 22 in a threaded mode, and the tube penetrating guide device 2 is sealed preliminarily; the metal tube 5 is inserted into the first through hole 221 of the tube penetrating cover 22, and the waterproof ring 2211 is in interference fit with the metal tube 5, so that a gap between the metal tube 5 and the inner wall of the first through hole 221 can be sealed, and the sealing performance between the metal tube 5 and the tube penetrating cover 22 is improved.

As shown in fig. 3, a fixing mechanism 6 for fixing the metal tube 5 is disposed in the inner cavity 21, the fixing mechanism 6 includes a fixing tube 61, a connecting ring 62 and a plurality of sets of elastic pieces 63, the fixing tube 61 is fixedly connected to the inner wall of the inner cavity 21, the connecting ring 62 is fixedly connected to the inner circumferential surface of the fixing tube 61, the plurality of elastic pieces 63 are uniformly distributed on the inner circumferential surface of the connecting ring 62 along the circumferential direction of the connecting ring 62, and the elastic pieces 63 are elastic steel pieces. In the process that the metal tube 5 moves into the fixed tube 61, the metal tube 5 contacts with the elastic sheet 63 to further push the elastic sheet 63, so that the elastic sheet 63 bends towards the direction far away from the tube penetrating cover 22, after the metal tube 5 passes through the fixed tube 61, under the elastic force action of the elastic sheet 63, the elastic sheet 63 is abutted against the metal tube 5, so that the movement of the metal tube 5 is limited, the problem that the metal tube 5 moves towards the direction far away from the fixed tube 61 is effectively avoided, and the purpose of stably fixing the metal tube 5 is achieved.

As shown in fig. 3, a pushing assembly 64 for pushing the elastic sheet 63 is installed in the fixed tube 61, the pushing assembly 64 includes a pushing tube 641, a transition tube 642, a pushing ring 643 and two pressing blocks 644, one end of the pushing tube 641 abuts against one side of the elastic sheet 63 close to the tube cover 22, the transition tube 642 is fixedly connected to one end of the pushing tube 641 close to the tube cover 22, one end of the transition tube 642 far from the pushing tube 641 is located outside the fixed tube 61, the pushing ring 643 is fixedly connected to the end of the transition tube 642, the pushing ring 643 is slidably connected in the inner cavity 21 along the axial direction of the fixed tube 61, the two pressing blocks 644 are fixedly connected to one side of the pushing ring 643 far from the pushing tube 643, the metal tube 5 passes through the first through hole 221, the pushing plate 643, the transition tube 641, the pushing tube 641 and the connecting ring 62 in sequence from the left side of the tube cover to the right side of the fixed tube 642; the second through hole 222 is formed in the tube penetrating cover 22, two rubber blocks 223 are fixedly connected to the outer side surface of the tube penetrating cover 22 at positions corresponding to the two second through holes 222, grooves 2231 are formed in the two rubber blocks 223, two pressing blocks 644 are respectively matched with the two grooves 2231, the pushing tube 641 is in a horn shape, the outer diameter of the pushing tube 641 is linearly increased from one end close to the transition tube 642 to one end far away from the transition tube 642, the end portion of the pushing tube 641 is always abutted to one end, close to the connecting tube 72, of the elastic sheet 63, the inner circumferential surface of the fixing tube 61, close to the end portion of the pushing ring 643, is fixedly connected with the limiting ring 65, and the transition tube 642 is axially slidably connected to the inner circumferential surface of the limiting ring 65 along the fixing tube. By directly pressing the two rubber blocks 223, the rubber blocks 223 deform and then push the pressing blocks 644 to move, the two pressing blocks 644 move and drive the push ring 643 to move, the push ring 643 moves and drives the transition pipe 642 to move, the transition pipe 642 moves and drives the push pipe 641 to move, and as the end part of the push pipe 641 is abutted to the end part of the elastic sheet 63 close to the connecting pipe 72, the elastic sheet 63 generates larger deformation in the direction far away from the pipe penetrating cover 22, at the moment, the push pipe 641 pushes the elastic sheet 63 to bend in the direction far away from the pipe penetrating cover 22, and the elastic sheet 63 does not contact with the metal pipe 5 after deforming, so that the aim of facilitating the disassembly of the metal pipe 5 is fulfilled while water is prevented; the end of the pushing tube 641 away from the tube penetrating cover 22 can be difficult to slide out of the fixing tube 61 by arranging the limiting ring 65, so that the purpose of limiting the pushing assembly 64 can be achieved, and the possibility of losing the pushing assembly 64 can be reduced.

The utility model provides an implementation principle that drainage pipe line major diameter CCTV detects and desilting maintenance pull wire wears to draw ware does: firstly through wearing tub lid 22 and the threaded connection of poling guider 2, peg graft tubular metal resonator 5 in the first through-hole 221 of wearing tub lid 22 again, interference fit between waterproof circle 2211 and tubular metal resonator 5 this moment, tubular metal resonator 5 continues the in-process that moves to fixed pipe 61, tubular metal resonator 5 promotes elastic sheet 63 earlier and moves, elastic sheet 63 is crooked to the direction of keeping away from wearing tub lid 22 this moment, after tubular metal resonator 5 passed fixed pipe 61, tubular metal resonator 5 is when keeping away from the removal of fixed pipe 61 direction removal again, elastic sheet 63 can produce deformation and tubular metal resonator 5 rather than contact produces the interaction force, under the effect of elastic force of elastic sheet 63 and between tubular metal resonator 5 more firm, reach the purpose of fixed tubular metal resonator 5, thereby reduce the possibility that rivers got into poling guider 2, reach the purpose of reinforcing poling guider 2 leakproofness.

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

Claims

1. The utility model provides a drainage pipe line big pipe diameter CCTV detects and desilting maintenance pull wire wears to draw ware, leads positive ware (2), poling floater (3) and salvages hook (4) including pipe (1), poling, its characterized in that: the pipe penetrating guide device (2) is provided with an inner cavity (21), one end of the pipe penetrating guide device (2) is provided with an opening, one end of the pipe penetrating guide device (2) provided with the opening is connected with a pipe penetrating cover (22) in a threaded manner, the pipe penetrating cover (22) is provided with a first through hole (221), the inner peripheral surface of the first through hole (221) is fixedly connected with a waterproof ring (2211), one end, close to the pipe penetrating guide device (2), of the guide pipe (1) is detachably connected with a metal pipe (5), and the metal pipe (5) is in inserting fit with the pipe penetrating cover (22); and a fixing mechanism (6) for fixing the metal pipe (5) is arranged in the inner cavity (21).

2. The drainage pipeline large-pipe-diameter CCTV detection and desilting maintenance pull wire threading device as claimed in claim 1, wherein: the fixing mechanism (6) comprises a fixing pipe (61), a connecting ring (62) and a plurality of elastic sheets (63), the fixing pipe (61) is fixedly connected to the inner wall of the inner cavity (21), the connecting ring (62) is fixedly connected to the inner circumferential surface of the fixing pipe (61), and the elastic sheets (63) are uniformly distributed on the inner circumferential surface of the connecting ring (62) along the circumferential direction of the connecting ring (62); and a pushing assembly (64) for pushing the elastic sheet (63) is arranged in the fixed tube (61).

3. The drainage pipeline large-pipe-diameter CCTV detection and desilting maintenance pull wire threading device as claimed in claim 2, wherein: the pushing assembly (64) comprises a pushing tube (641), a transition tube (642), a pushing ring (643) and two pressing blocks (644), one end of the pushing tube (641) is abutted to one side, close to the tube penetrating cover (22), of the elastic sheet (63), one end of the transition tube (642) is fixedly connected to one end, far away from the elastic sheet (63), of the pushing tube (641), the metal tube (5) is sequentially arranged in the first through hole (221), the transition tube (642) and the pushing tube (641) in a penetrating mode, the inner peripheral surface of the pushing ring (643) is fixedly connected to the outer peripheral surface of one end, far away from the pushing tube (641), of the transition tube (642), one ends of the two pressing blocks (644) are fixedly connected to one side, far away from the transition tube (642), of the pushing ring (643), and the pushing tube (641) is connected to the inner peripheral surface of the connecting ring (62) in a sliding mode along the axial.

4. The drainage pipeline large-pipe-diameter CCTV detection and desilting maintenance pull wire threading device as claimed in claim 3, wherein: the push tube (641) is flared, and the outside diameter of the push tube (641) increases linearly from an end near the transition tube (642) to an end away from the transition tube (642).

5. The CCTV for detecting large pipe diameter of drainage pipeline and dredging and maintaining traction line according to claim 4, wherein: the inner circumferential surface of the end part, close to the push ring (643), of the fixing pipe (61) is fixedly connected with a limiting ring (65), and the transition pipe (642) is connected to the inner circumferential surface of the limiting ring (65) in a sliding mode along the axial direction of the fixing pipe (61).

6. The drainage pipeline large-pipe-diameter CCTV detection and desilting maintenance pull wire threading device as claimed in claim 5, wherein: the pipe penetrating cover (22) is provided with a second through hole (222), the outer side face of the pipe penetrating cover (22) is fixedly connected with two rubber blocks (223) at positions corresponding to the two second through holes (222), the two rubber blocks (223) are provided with grooves (2231), and the two pressing blocks (644) are matched with the two grooves (2231) respectively.

7. The drainage pipeline large-pipe-diameter CCTV detection and desilting maintenance pull wire threading device as claimed in claim 1, wherein: tubular metal resonator (5) with be provided with coupling assembling (7) between pipe (1), coupling assembling (7) are including fixed plate (71), connecting pipe (72) and two bolt (73), fixed plate (71) fixed connection in pipe (1) is close to the outer peripheral face of tubular metal resonator (5) one end, connecting pipe (72) fixed connection tubular metal resonator (5) are close to the one end of pipe (1), two bolt (73) run through fixed plate (71) all with connecting pipe (72) threaded connection.

8. The drainage pipeline large-pipe-diameter CCTV detection and desilting maintenance pull wire threading device as claimed in claim 7, wherein: a rubber pad (74) is arranged between the fixing plate (71) and the connecting pipe (72), and the bolt (73) penetrates through the rubber pad (74).