CN113123444A

CN113123444A - Dredging and sewage discharging vehicle and pipeline dredging and sewage discharging method

Info

Publication number: CN113123444A
Application number: CN202110420598.XA
Authority: CN
Inventors: 徐炜
Original assignee: Shanghai Xinli Ecological Environment Engineering Co ltd
Current assignee: Shanghai Xinli Ecological Environment Engineering Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-07-16
Anticipated expiration: 2041-04-19
Also published as: CN113123444B

Abstract

The application relates to a dredging and sewage discharging vehicle and a pipeline dredging and sewage discharging method, belonging to the field of dredging and sewage discharging vehicles, wherein the dredging and sewage discharging vehicle comprises a sludge tank and a feeding box fixed on one side of the sludge tank, and a hinged frame is fixed at the top of the feeding box; the top end of the hinge frame is hinged with two connecting plates, and the bottom of each connecting plate is fixedly provided with a cover plate for covering the feeding box; be provided with between apron and the feeding case and be used for carrying on spacing two sets of spacing subassemblies to the apron. The pipeline dredging and pollution discharging method includes opening the manhole cover, setting the high pressure water pipe inside the manhole, and regulating the column member in the dredging assembly to make the conic part point to the sewer pipe; injecting water into the high-pressure water pipe; dragging the high-pressure water pipe reversely; and (3) placing the sludge collecting pipe into the inspection well, and collecting the sludge in the inspection well into the sludge tank. This application has the effect of being convenient for clear up silt carriage inner wall.

Description

Dredging and sewage discharging vehicle and pipeline dredging and sewage discharging method

Technical Field

The application relates to the field of dredging and sewage draining vehicles, in particular to a dredging and sewage draining vehicle and a pipeline dredging and sewage draining method.

Background

At present, a winch is usually adopted for dredging and discharging sewage in urban sewer pipelines, and a specific operation method is that workers go down to the bottom of a sewage discharging shaft and use bamboo skins to dredge the pipelines.

In the related art, reference may be made to the chinese patent application with publication number CN104213631A, which discloses a push rod grab bucket dredging vehicle, comprising an automobile chassis and a self-discharging type sludge carriage, wherein the automobile chassis is provided with a cab, and further comprising a telescopic push rod dredging machine, the telescopic push rod dredging machine comprises a telescopic suspension arm and a multi-stage telescopic push rod, and the tail end of the multi-stage telescopic push rod is provided with a sludge grab bucket. The self-discharging type sludge compartment is used for storing sludge; usually, a sludge compartment is provided with a feeding pipe for sucking sludge and a discharging pipe for discharging the sludge.

With respect to the related art in the above, the inventors consider that: the silt carriage is owing to store silt, and silt can condense at the tank wall of silt carriage in the long-term use in-process, has closed silt carriage and is difficult for carrying out the defect of clearing up the silt that condenses.

Disclosure of Invention

In order to improve the problem that is not convenient for clear up silt carriage inner wall, this application provides a desilting blowdown car and pipeline desilting blowdown method.

The application provides a desilting blowdown car and pipeline desilting blowdown method adopts following technical scheme.

First aspect, the application provides a desilting blowdown car adopts following technical scheme:

a desilting blowdown car comprises a sludge tank and a feeding box fixed on the sludge tank, wherein a hinged frame is fixed at the top of the feeding box; the top end of the hinged frame is hinged with two connecting plates, and the bottom of each connecting plate is fixedly provided with a cover plate for covering the feeding box; and two groups of limiting assemblies used for limiting the cover plate are arranged between the cover plate and the feeding box.

Through adopting above-mentioned technical scheme, through setting up the apron, the apron of being convenient for is opened the back and is cleared up the silt in feeding case and the silt jar to improve the problem that silt condenses the amass on the tank wall.

Optionally, support frames are fixed to two sides of the outer peripheral surface of the feeding box respectively, an air cylinder is fixed to the top of each support frame, and the inner sides of the piston rods of the two air cylinders are hinged to the connecting plate respectively.

Through adopting above-mentioned technical scheme, the cylinder is through promoting opening and shutting of apron control apron to for the apron rotates provides power, reduce manual operation.

Optionally, an upper communicating pipe and a lower communicating pipe are fixed on the outer peripheral surface of the feeding box; go up communicating pipe bottom mounting and have the glass pipe, glass socle end and lower communicating pipe top fixed connection.

By adopting the technical scheme, the upper communicating pipe, the lower communicating pipe and the feeding box are communicated, so that the upper communicating pipe, the glass pipe and the lower communicating pipe form a communicating structure; meanwhile, the glass tube is of a transparent structure, and the liquid level state in the feeding box is evaluated by observing the liquid level of the glass tube.

Optionally, the limiting assembly comprises two limiting pieces fixed on the outer peripheral surface of the feeding box and two hinge pieces fixed on one side of the cover plate away from the feeding box; the opposite inner sides of the two hinged sheets are hinged with rotating pipes, and threaded shafts penetrate through the rotating pipes; an internal threaded pipe is rotatably arranged on one side of the rotating pipe, which is far away from the water tank, and is in threaded connection with the threaded shaft; the outer peripheral face that the threaded shaft kept away from internal thread pipe one end is fixed with two spacing axles relatively, spacing piece is close to water pitcher one side and offers the draw-in groove that is used for pegging graft with spacing axle.

Through adopting above-mentioned technical scheme, after rotating the internal thread pipe, the threaded shaft can move towards being close to spacing piece one side, finally makes spacing axle and draw-in groove block, realizes the fixed to the apron, reduces because the apron seals the condition that silt that insecure leads to spills over.

Optionally, a fixing frame is fixed on one side of the cover plate, which is far away from the sludge tank, and a connecting frame is hinged to one side of the fixing frame, which is far away from the sludge tank; two tripods are fixed on one side of the connecting frame, and wheel discs are rotatably arranged on the opposite inner sides of the two tripods; the periphery of the wheel disc is wound with a high-pressure water pipe; a water pump and a motor are fixed at the top of the triangular frame; the water outlet end of the water pump is communicated with the high-pressure water pipe; a first gear is fixed at the output end of the motor, a second gear is fixed on one side of the wheel disc close to the water pump, and the first gear is meshed with the second gear; the bottom end of the high-pressure water pipe is provided with a dredging component for dredging.

Through adopting above-mentioned technical scheme, the link provides the support for the rim plate, and the link sets up with the mount is articulated, shortens the distance between rim plate and the inspection shaft through rotating the link to be convenient for high pressure water pipe gets into in the inspection shaft.

Optionally, the dredging component comprises a connecting disc in threaded connection with the bottom end of the high-pressure water pipe and a cylindrical part in threaded connection with the outer peripheral surface of the connecting disc; a conical part is fixed at the bottom end of the cylindrical part; and a plurality of water outlets are uniformly distributed on the top surface of the connecting disc along the circumferential direction of the connecting disc.

By adopting the technical scheme, after water is injected into the high-pressure water pipe, water flow can be sprayed out from the water outlet hole; the water flow sprayed out at high speed can provide forward power for the cylindrical piece, so that the cylindrical piece can conveniently enter the sewer pipeline. Meanwhile, after the water flow is dragged to the cylindrical part close to one side of the inspection well, the water flow sprayed on the pipe wall can scour the pipe wall and flows to the inspection well along with the cylindrical part moving back, and therefore sludge in a sewer pipeline is convenient to treat.

Optionally, a bending mechanism for bending the high-pressure water pipe is arranged on the periphery of the high-pressure water pipe; the bending mechanism comprises two fixing rings fixed on the outer peripheral surface of the high-pressure water pipe and a plurality of connecting pieces arranged between the two fixing rings; two adjacent connecting pieces are hinged with each other, and the two connecting pieces positioned at the head and the tail are respectively and fixedly connected with the fixing ring; the bottom and the top of the connecting piece are respectively fixed with an articulated piece, and one side of the articulated piece away from the high-pressure water pipe is fixed with a limit strip; and a driving assembly for driving the limiting strips to rotate is arranged in the connecting piece.

Through adopting above-mentioned technical scheme, after the inspection shaft was lost into to the desilting subassembly, be not convenient for adjust the orientation of cylindricality piece. The connecting piece can rotate by rotating the limiting strip, and the high-pressure water pipe can be conveniently bent after the connecting piece rotates; so that the conical portion is directed toward the sewer line.

Optionally, the driving assembly includes a slider slidably connected to the connecting member along a length direction of the connecting member; a first sliding groove is formed in one side, away from the high-pressure water pipe, of the connecting piece, the connecting piece is connected with the sliding blocks in a sliding mode through the first sliding groove, connecting ropes are fixed to the top and the bottom of each sliding block respectively, and two adjacent sliding blocks are connected through the connecting ropes; the side wall of the first sliding groove is provided with a second sliding groove, and the connecting piece is connected with a sliding piece in a sliding manner along the width direction of the connecting piece through the second sliding groove; the opposite inner sides of the sliding block and the sliding piece are respectively provided with an inclined plane; a baffle is fixed at the top end of the sliding piece; the strip-shaped through hole has been seted up to the connecting piece bottom, the separation blade is worn to locate in the strip-shaped through hole, the separation blade passes through the strip-shaped through hole and slides along connecting piece width direction and is connected with the connecting piece.

Through adopting above-mentioned technical scheme, the slider rebound back can support through the inclined plane and press the sliding part to promote the sliding part to remove, the dog removes in-process and spacing butt along with the sliding part, and supports and presses spacing rotation.

Optionally, the top end and the bottom end of the sliding block are respectively fixed with a first spring, and the first springs are fixedly connected with the connecting piece through a first sliding groove.

Through adopting above-mentioned technical scheme, first spring provides elasticity for the slider, and the slider of being convenient for upwards pulls the back, and the first spring of accessible resets.

In a second aspect, the application provides a method for dredging and discharging sewage in a pipeline, which adopts the following technical scheme:

after the inspection well cover is opened, the high-pressure water pipe is placed in the inspection well, and the orientation of the cylindrical member in the dredging component is adjusted, so that the conical part points to the direction of the sewer pipe;

injecting water into the high-pressure water pipe, and moving the columnar piece into the lower water pipe under the action of the injection force of the high-pressure water flow;

the high-pressure water pipe is dragged reversely, the high-pressure water pipe drives the cylindrical member to move towards one side close to the inspection well, and in the moving process of the cylindrical member, the jetted water flow cleans sludge on the inner wall of the sewer pipe and pushes the sludge to move towards one side close to the inspection well;

after the feeding pipe is connected with the sludge collecting pipe, the sludge collecting pipe is placed into the inspection well, and the sludge in the inspection well is collected into the sludge tank to finish the sludge cleaning operation.

By adopting the technical scheme, the columnar piece is convenient to drive to move along the direction of the sewer pipe by spraying the high-pressure water flow to one side far away from the conical part, and meanwhile, in the process of pulling back the sewer pipe, the sludge gathered on the wall of the sewer pipe can be pulled into the inspection well in a mode that the high-pressure water flow brushes the wall of the sewer pipe, so that the sludge in the sewer pipe can be cleaned conveniently.

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

1. through the arrangement of the cover plate, the sludge in the feeding box and the sludge tank can be conveniently cleaned after the cover plate is opened, so that the problem that the sludge is condensed and accumulated on the box wall is solved;

2. the upper communicating pipe, the lower communicating pipe and the feeding box are communicated, so that the upper communicating pipe, the glass pipe and the lower communicating pipe form a communicating structure; meanwhile, the glass tube is of a transparent structure, and the liquid level state in the feeding box is evaluated by observing the liquid level of the glass tube;

3. the columnar piece is driven to move along the sewer pipe direction by spraying the high-pressure water flow to the side far away from the conical part, and meanwhile, in the process of pulling back the sewer pipe, the sludge gathered on the sewer pipe wall can be pulled into the inspection well by the mode that the high-pressure water flow brushes the sewer pipe wall, so that the sludge in the sewer pipe can be cleaned conveniently.

Drawings

FIG. 1 is a schematic structural diagram of a dredging and sewage draining vehicle according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a feeding box in an embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is a schematic structural diagram of a fixing frame according to an embodiment of the present application.

Fig. 5 is an enlarged schematic view at B in fig. 4.

Fig. 6 is a schematic structural diagram of a latch according to an embodiment of the present application.

Fig. 7 is an enlarged schematic view at C in fig. 4.

FIG. 8 is a schematic structural diagram of a bending mechanism according to an embodiment of the present application.

Fig. 9 is an enlarged schematic view at D in fig. 8.

Description of reference numerals: 1. a sludge tank; 11. a feeding box; 12. a feed pipe; 13. a discharge pipe; 14. an upper communicating pipe; 15. a lower communicating pipe; 16. a glass tube; 17. a second spring; 18. a bevel; 2. a water tank; 21. a high pressure water pipe; 22. a hinged frame; 23. a connecting plate; 24. a cover plate; 25. a support frame; 26. a cylinder; 3. a limiting component; 31. a limiting sheet; 32. a hinged sheet; 33. rotating the tube; 34. a threaded shaft; 35. an internally threaded tube; 36. a limiting shaft; 37. a card slot; 4. a fixed mount; 41. a connecting frame; 42. a tripod; 43. a wheel disc; 44. a water pump; 45. a motor; 46. a water inlet pipe; 47. a first gear; 48. a second gear; 5. a connecting arm; 51. a first limiting pipe; 52. a second limiting pipe; 53. a hinge; 54. inserting a rod; 6. a dredging component; 61. a connecting disc; 62. a cylindrical member; 63. a conical section; 64. a water outlet hole; 7. a bending mechanism; 71. a fixing ring; 72. a connecting member; 73. a first chute; 74. a slider; 75. a first spring; 76. connecting ropes; 77. a circular through hole; 78. a second chute; 79. a sliding member; 8. a baffle plate; 81. a strip-shaped through hole; 82. an articulation member; 83. and (5) a limiting strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses desilting blowdown car. Referring to fig. 1 and 2, the dredging and sewage discharging vehicle includes a sludge tank 1 and two water tanks 2 respectively fixed to both sides of the sludge tank 1. A circular feeding box 11 is fixed on one side of the sludge tank 1 far away from the vehicle head. A feeding pipe 12 and a discharging pipe 13 which are respectively communicated with the feeding box 11 are fixed on one side of the feeding box 11, which is far away from the sludge tank 1; sludge enters the feed tank 11 through the feed pipe 12 and exits the feed tank 11 through the discharge pipe 13. The top of the feeding box 11 is fixed with a hinged frame 22. The top end of the hinged frame 22 is hinged with two connecting plates 23, and the bottom of each connecting plate 23 is fixedly provided with a cover plate 24 for covering the feeding box 11; by turning the cover plate 24 upward, the feed box 11 can be opened, facilitating the cleaning of the interior of the feed box 11. Two sides of the outer peripheral surface of the feeding box 11 are respectively fixed with a support frame 25, the top of the support frame 25 is fixed with a cylinder 26, and the relative inner sides of the piston rods of the two cylinders 26 are respectively hinged with the connecting plate 23. An upper communicating pipe 14 and a lower communicating pipe 15 are fixed to the outer peripheral surface of the feed tank 11. The bottom end of the upper communicating pipe 14 is fixed with a glass pipe 16, and the bottom end of the glass pipe 16 is fixedly connected with the top end of the lower communicating pipe 15; the upper communicating pipe 14, the glass pipe 16 and the lower communicating pipe 15 form a communicating vessel with the feed tank 11, and the liquid level in the glass pipe 16 is equal to that in the feed tank 11, thereby facilitating observation of the sludge level in the feed tank 11 outside the feed tank 11.

Referring to fig. 2 and 3, two sets of limiting assemblies 3 for limiting the cover plate 24 are arranged between the cover plate 24 and the feeding box 11. The limiting component 3 comprises two limiting pieces 31 fixed on the outer peripheral surface of the feeding box 11 and two hinged pieces 32 fixed on one side of the cover plate 24 far away from the feeding box 11; the opposite inner sides of the two hinged sheets 32 are hinged with a rotating pipe 33, and a threaded shaft 34 penetrates through the rotating pipe 33; the rotating pipe 33 is rotatably provided with an internal threaded pipe 35 at the side far away from the water tank 2, and the internal threaded pipe 35 is in threaded connection with the threaded shaft 34. Two limiting shafts 36 are relatively fixed on the outer peripheral surface of one end, far away from the internal threaded pipe 35, of the threaded shaft 34, and a clamping groove 37 used for being spliced with the limiting shafts 36 is formed in one side, close to the water tank 2, of the limiting sheet 31. After the cover plate 24 and the feeding box 11 are covered, the threaded shaft 34 is driven to move towards one side close to the cover plate 24 by rotating the internal threaded pipe 35, so that the limiting shaft 36 is clamped with the clamping groove 37, the limiting effect of the limiting piece 31 on the threaded shaft 34 is achieved, and the possibility of separating the cover plate 24 from the feeding box 11 is reduced.

Referring to fig. 4 and 5, a fixing frame 4 is fixed on one side of the cover plate 24 far away from the sludge tank 1, and a connecting frame 41 is hinged on one side of the fixing frame 4 far away from the sludge tank 1. Two tripods 42 are fixed on one side of the connecting frame 41, and a wheel disc 43 is rotatably arranged on the opposite inner sides of the two tripods 42; the high-pressure water pipe 21 is wound on the outer peripheral surface of the wheel disc 43; the fixed frame 4 is hinged with the connecting frame 41, so that the wheel disc 43 can rotate conveniently, and the wheel disc 43 is close to the inspection well by rotating the connecting frame 41 after the desilting and sewage discharging vehicle stops. A water pump 44 and a motor 45 are fixed on the top of one tripod 42. A water inlet pipe 46 is fixed at the water inlet end of the water pump 44, one end of the water inlet pipe 46, which is far away from the water pump 44, is communicated with the water tank 2, and the water outlet end of the water pump 44 is communicated with the high-pressure water pipe 21; the high-pressure water pipe 21 penetrates through the inner circumferential surface of the disk 43 and is fixedly connected with the water pump 44. The output end of the motor 45 is fixed with a first gear 47, one side of the wheel disc 43 close to the water pump 44 is fixed with a second gear 48, and the first gear 47 is meshed with the second gear 48. The bottom end of the high-pressure water pipe 21 is provided with a dredging component 6 for dredging. The motor 45 is driven by the first gear 47 and the second gear 48 to provide power for the rotation of the wheel 43.

Referring to fig. 4 and 6, the connecting arm 5 is fixed to the connecting frame 41 on the side close to the wheel 43. A first limiting pipe 51 is fixed on one side of the connecting arm 5, which is far away from the connecting frame 41, and a second limiting pipe 52 is fixed on the side wall of the fixing frame 4. A hinge 53 is fixed on one side of the fixed frame 4 close to the wheel disc 43, and an insertion rod 54 for being inserted with the first limiting pipe 51 and the second limiting pipe 52 is fixed at the bottom end of the hinge 53.

Referring to fig. 4 and 7, the dredging assembly 6 includes a coupling plate 61 screw-coupled to a bottom end of the high pressure water pipe 21 and a cylindrical member 62 screw-coupled to an outer circumferential surface of the coupling plate 61; the bottom end of the cylindrical member 62 is fixed with a conical portion 63. A plurality of water outlet holes 64 are uniformly distributed on the top surface of the connecting disc 61 along the circumference of the connecting disc 61. The dredging component 6 is used for cleaning sludge in the sewer pipe, and is used for placing the cylindrical part 62 in the sewer pipe and adjusting the extending direction of the conical part 63 towards the sewer pipe; after the water pump 44 is started, the water pump 44 injects water into the cylindrical member 62 through the high-pressure water pipe 21, and the water is sprayed out of the water outlet holes 64 of the connecting disc 61, so that power is provided for the movement of the cylindrical member 62.

Referring to fig. 4 and 8, a bending mechanism 7 for bending the high-pressure water pipe 21 is provided around the high-pressure water pipe 21. The bending mechanism 7 includes two fixing rings 71 fixed to the outer peripheral surface of the high-pressure water pipe 21 and a plurality of connecting pieces 72 provided between the two fixing rings 71; two adjacent connecting pieces 72 are hinged with each other, and the two connecting pieces 72 at the head and the tail are respectively and fixedly connected with the fixed ring 71.

Referring to fig. 8 and 9, a first sliding groove 73 is formed in one side of the connecting member 72, which is away from the high-pressure water pipe 21, the connecting member 72 is connected with a sliding block 74 through the first sliding groove 73 in a sliding manner along the length direction of the connecting member 72, first springs 75 are respectively fixed at the top end and the bottom end of the sliding block 74, and the first springs 75 are fixedly connected with the connecting member 72 through the first sliding groove 73. The top and the bottom of the sliding block 74 are respectively fixed with a connecting rope 76, and two adjacent sliding blocks 74 are connected through the connecting rope 76. The top surface of the fixing ring 71 is provided with a circular through hole 77 for passing the connecting rope 76. The second sliding groove 78 is opened on the side wall of the first sliding groove 73, and the connecting member 72 is connected with a sliding member 79 in a sliding manner along the width direction of the connecting member 72 through the second sliding groove 78. A second spring 17 is fixed on one side of the sliding piece 79, which is far away from the lifting rope, and the second spring 17 is fixedly connected with the connecting piece 72 through a second sliding groove 78; the second spring 17 applies an elastic force to the slider 79 toward the side close to the slider 74. The opposite inner sides of the sliding block 74 and the sliding piece 79 are respectively provided with a bevel 18. After the sliding block 74 is lifted by the lifting rope, the sliding block 74 moves upwards; when the slide block 74 moves, the slide member 79 is pressed by the inclined surface 18, and the slide member 79 is pushed to move along the width direction of the connecting member 72.

Referring to fig. 8 and 9, a stopper 8 is fixed to the top end of the slide member 79. Bar through-hole 81 has been seted up to connecting piece 72 bottom, and in separation blade 8 wore to locate bar through-hole 81, separation blade 8 slided with connecting piece 72 along connecting piece 72 width direction through bar through-hole 81 and is connected. The bottom and the top of the connecting piece 72 are respectively fixed with a hinged piece 82, and one side of the hinged piece 82 away from the high-pressure water pipe 21 is fixed with a limit strip 83, and in the embodiment, the limit strip 83 is arranged along the axial direction of the water pipe. The sliding piece 79 can support and press the blocking piece 8 after moving, so that the blocking piece 8 is pushed to rotate, the blocking piece 8 drives the connecting piece 72 to rotate, and the connecting piece 72 drives the high-pressure water pipe 21 to rotate in the rotating process, so that the direction of the high-pressure water pipe 21 is adjusted.

The embodiment of the application also discloses a pipeline dredging and pollution discharging method. The pipeline dredging and sewage discharging method comprises the following steps:

s1, after the inspection well cover is opened, a motor 45 is started, the motor 45 drives a wheel disc 43 to rotate, and the high-pressure water pipe 21 is placed in the inspection well in the rotating process of the wheel disc 43.

S2, after the high-pressure water pipe 21 is completely separated from the wheel disc 43, the motor 45 is turned off, and the orientation of the column-shaped part 62 in the dredging assembly 6 is adjusted, so that the conical part 63 points to the direction of the sewer pipe.

S3, the water pump 44 is turned on, water is injected into the high-pressure water pipe 21 through the water pump 44, and the columnar piece 62 moves into the sewer pipe under the action of the spraying force of the high-pressure water flowing to the side close to the inspection well.

S4, starting the motor 45 to enable the motor 45 to rotate reversely, wherein the motor 45 drives the wheel disc 43 to wind the high-pressure water pipe 21, the high-pressure water pipe 21 drives the columnar member 62 to move towards one side close to the inspection well in the withdrawing process, and in the moving process of the columnar member 62, water flow sprayed from the water outlet hole 64 cleans sludge on the inner wall of the sewer pipe and pushes the sludge to move towards one side close to the inspection well.

And S5, connecting the sludge collecting pipe with the sludge pump, then connecting the sludge collecting pipe with the feeding pipe 12, placing the sludge collecting pipe into the inspection well, starting the sludge pump, collecting the sludge in the inspection well into the sludge tank 1 through the collecting pipe, and finishing sludge cleaning operation.

The implementation principle of the dredging and sewage discharging vehicle and the pipeline dredging and sewage discharging method in the embodiment of the application is as follows:

after the dredging component 6 is put into the inspection well, the direction of the cylindrical part 62 needs to be adjusted to enable the conical part 63 to face the direction of the sewer pipeline, so that the cylindrical part 62 is driven to advance along the direction of the sewer pipeline by the injected high-pressure water flow. The lifting rope is lifted upwards, and the sliding block 74 is driven by the lifting rope to move upwards; when the slide block 74 moves, the slide member 79 is pressed by the inclined surface 18, and the slide member 79 is pushed to move along the width direction of the connecting member 72. The sliding piece 79 can support and press the blocking piece 8 after moving, so that the blocking piece 8 is pushed to rotate, the blocking piece 8 drives the connecting piece 72 to rotate, and the connecting piece 72 drives the high-pressure water pipe 21 to rotate in the rotating process, so that the direction of the high-pressure water pipe 21 is adjusted.

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 desilting blowdown car, includes silt jar (1) and is fixed in feeding case (11) of silt jar (1) one side, its characterized in that: the top of the feeding box (11) is fixed with a hinged frame (22); the top end of the hinged frame (22) is hinged with two connecting plates (23), and the bottom of each connecting plate (23) is fixedly provided with a cover plate (24) for covering the feeding box (11); two groups of limiting assemblies (3) used for limiting the cover plate (24) are arranged between the cover plate (24) and the feeding box (11).

2. The desilting drain-away car of claim 1, characterized in that: the feeding box is characterized in that supporting frames (25) are respectively fixed to two sides of the outer peripheral surface of the feeding box (11), air cylinders (26) are fixed to the tops of the supporting frames (25), and the relative inner sides of piston rods of the two air cylinders (26) are hinged to the connecting plate (23).

3. The desilting drain-away car of claim 1, characterized in that: an upper communicating pipe (14) and a lower communicating pipe (15) are fixed on the outer peripheral surface of the feeding box (11); the bottom end of the upper communicating pipe (14) is fixed with a glass pipe (16), and the bottom end of the glass pipe (16) is fixedly connected with the top end of the lower communicating pipe (15).

4. The desilting drain-away car of claim 1, characterized in that: the limiting assembly (3) comprises two limiting pieces (31) fixed on the outer peripheral surface of the feeding box (11) and two hinged pieces (32) fixed on one side, far away from the feeding box (11), of the cover plate (24); the opposite inner sides of the two hinged sheets (32) are hinged with rotating pipes (33), and threaded shafts (34) penetrate through the rotating pipes (33); an internal threaded pipe (35) is rotatably mounted on one side, away from the water tank (2), of the rotating pipe (33), and the internal threaded pipe (35) is in threaded connection with a threaded shaft (34); the outer peripheral face that threaded shaft (34) kept away from internal thread pipe (35) one end is fixed with two spacing axles (36) relatively, draw-in groove (37) that are used for pegging graft with spacing axle (36) are seted up to spacing piece (31) near water pitcher (2) one side.

5. The desilting drain-away car of claim 1, characterized in that: a fixing frame (4) is fixed on one side of the cover plate (24) far away from the sludge tank (1), and a connecting frame (41) is hinged on one side of the fixing frame (4) far away from the sludge tank (1); two tripods (42) are fixed on one side of the connecting frame (41), and a wheel disc (43) is rotatably mounted on the opposite inner sides of the two tripods (42); the outer peripheral surface of the wheel disc (43) is wound with a high-pressure water pipe (21); a water pump (44) and a motor (45) are fixed at the top of the tripod (42); the water outlet end of the water pump (44) is communicated with the high-pressure water pipe (21); a first gear (47) is fixed at the output end of the motor (45), a second gear (48) is fixed on one side, close to the water pump (44), of the wheel disc (43), and the first gear (47) is meshed with the second gear (48); the bottom end of the high-pressure water pipe (21) is provided with a dredging component (6) for dredging.

6. The desilting blowdown car of claim 5, characterized in that: the dredging component (6) comprises a connecting disc (61) in threaded connection with the bottom end of the high-pressure water pipe (21) and a cylindrical part (62) in threaded connection with the outer peripheral surface of the connecting disc (61); a conical part (63) is fixed at the bottom end of the cylindrical part (62); and a plurality of water outlet holes (64) are uniformly distributed on the top surface of the connecting disc (61) along the circumferential direction of the connecting disc (61).

7. The desilting blowdown car of claim 5, characterized in that: a bending mechanism (7) for bending the high-pressure water pipe (21) is arranged on the periphery of the high-pressure water pipe (21); the bending mechanism (7) comprises two fixing rings (71) fixed on the outer peripheral surface of the high-pressure water pipe (21) and a plurality of connecting pieces (72) arranged between the two fixing rings (71); two adjacent connecting pieces (72) are hinged with each other; hinged pieces (82) are respectively fixed at the bottom and the top of the connecting piece (72), and a limiting strip (83) is fixed on one side, far away from the high-pressure water pipe (21), of each hinged piece (82); and a driving assembly for driving the limiting strip (83) to rotate is arranged in the connecting piece (72).

8. The desilting drain-away car of claim 7, characterized in that: the driving assembly comprises a sliding block (74) which is connected with the connecting piece (72) in a sliding mode along the length direction of the connecting piece (72); a first sliding groove (73) is formed in one side, away from the high-pressure water pipe (21), of the connecting piece (72), the connecting piece (72) is connected with the sliding block (74) in a sliding mode through the first sliding groove (73), connecting ropes (76) are fixed to the top and the bottom of the sliding block (74) respectively, and two adjacent sliding blocks (74) are connected through the connecting ropes (76); a second sliding groove (78) is formed in the side wall of the first sliding groove (73), and the connecting piece (72) is connected with a sliding piece (79) in a sliding mode along the width direction of the connecting piece (72) through the second sliding groove (78); the opposite inner sides of the sliding block (74) and the sliding piece (79) are respectively provided with an inclined plane (18); a baffle plate (8) is fixed at the top end of the sliding piece (79); bar through-hole (81) have been seted up to connecting piece (72) bottom, separation blade (8) wear to locate in bar through-hole (81), separation blade (8) slide along connecting piece (72) width direction through bar through-hole (81) and are connected with connecting piece (72).

9. The desilting drain-away car of claim 8, characterized in that: the top end and the bottom end of the sliding block (74) are respectively fixed with a first spring (75), and the first spring (75) is fixedly connected with the connecting piece (72) through a first sliding groove (73).

10. A method for dredging and discharging sewage in a pipeline as claimed in any one of claims 1 to 9, wherein: the method comprises the following steps:

after the inspection well cover is opened, the high-pressure water pipe (21) is placed in the inspection well, the orientation of the cylindrical member (62) in the dredging assembly (6) is adjusted, and the conical part (63) points to the direction of the sewer pipe;

injecting water into the high-pressure water pipe (21), and moving the cylindrical part (62) into the lower water pipe under the action of the injection of the high-pressure water flow;

the high-pressure water pipe (21) is dragged in a reverse direction, the high-pressure water pipe (21) drives the cylindrical member (62) to move towards one side close to the inspection well, and in the moving process of the cylindrical member (62), the jetted water flow cleans sludge on the inner wall of the sewer pipe and pushes the sludge to move towards one side close to the inspection well;

after the feeding pipe (12) is connected with the sludge collecting pipe, the sludge collecting pipe is placed in the inspection well, and the sludge in the inspection well is collected and enters the sludge tank (1) to finish the sludge cleaning operation.