Municipal pipeline dredging equipment

Abstract

The utility model relates to municipal pipeline dredging equipment. Comprising a supporting shell which is of a hollow tubular structure, a supporting rib mechanism is arranged in the supporting shell, and the center of the supporting rib mechanism is provided with a connecting base and a plurality of supporting ribs arranged relative to the connecting base in an annular array mode; the front-end stirring mechanism comprises a rotating shaft, and the rotating shaft is rotationally connected to the connecting seats; a rotating coupler is arranged at the tail end of the rotating shaft, a connecting block is coaxially fixed to the front end of the rotating shaft, and a plurality of stirring protrusions are arranged on the connecting block in an annular array mode; the dirt suction groove comprises a guide shell of a gradually-shrinking structure, the flaring end of the guide shell is located in the axial middle of the inner wall of the supporting shell and makes sealing contact with the inner wall of the supporting shell, and a dirt discharging guide pipe is connected to the necking end of the guide shell and eccentrically arranged relative to the guide shell; the front end of the water spraying pipe is connected to the front end of the opening, corresponding to the guiding shell, of the inner wall of the supporting shell, and the spraying axis of the water spraying pipe faces the front end of the supporting shell.

Description

Technical Field

[0001] The utility model relates to municipal pipeline dredging equipment, belonging to the field of municipal equipment. Background Art

[0002] At present, there are two ways to dredge municipal pipelines: one is to flush the sludge in the pipe with a high-pressure water jet pipe and then suck out the diluted sludge through a suction pipe; the other is to stir the pipe with a spiral agitator and remove the sludge through the spiral blades. The first solution consumes a lot of water, and for viscous sludge, it takes a long time to flush the sludge before it can be separated and sucked out, which is inefficient. The second solution can only be used for straight pipes and has low adaptability. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the technical problems in the prior art and provide a municipal pipeline dredging device.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A municipal pipeline dredging device; comprising:

[0006] The support shell is a hollow tubular structure, at least two groups of support rib mechanisms are arranged inside the support shell, and a connecting seat and a plurality of support ribs arranged in a circular array relative to the connecting seat are arranged at the center of the support rib mechanism;

[0007] The front end stirring mechanism comprises a rotating shaft, which passes through and is rotatably connected to each connecting seat in sequence; a rotating coupling is arranged at the end of the rotating shaft, and the rotating coupling is used to connect to the flexible shaft; a connecting block is coaxially fixed at the front end of the rotating shaft, and a plurality of stirring protrusions are arranged in a ring array on the connecting block;

[0008] The sewage suction trough comprises a guide shell with a tapered structure, the expanded end of the guide shell is located in the axial middle of the inner wall of the support shell, the expanded end of the guide shell is in sealing contact with the inner wall of the support shell, a sewage discharge conduit is connected to the contracted end of the guide shell, and the sewage discharge conduit is eccentrically arranged relative to the guide shell; the sewage discharge conduit is connected to the sewage suction pipe;

[0009] A water spray pipe, the front end of which is connected to the inner wall of the support shell corresponding to the front end position of the opening of the guide shell, the spray axis of the water spray pipe is toward the front end of the support shell, and the end of the water spray pipe is connected to the water inlet pipe.

[0010] As a further improvement of the present invention, the support rib is a plate-like structure parallel to the axis of the support shell, and the support rib, the connecting seat and the support shell are an integrated structure.

[0011] As a further improvement of the present utility model, the supporting shell comprises a feed part and a drain part, the connection position of the feed part and the drain part is located at the middle position of the axis of the supporting shell, wherein the diameter of the feed part is larger than the diameter of the drain part, the drain part is eccentrically arranged relative to the feed part, the feed part and the drain part are connected by a tapered part, the front end of the guide shell is fixed to the front end inner wall of the drain part; the connecting seat of the drain part is eccentrically arranged to the axis of the drain part; and a water spray pipe is integrally embedded at the end of the feed part.

[0012] As a further improvement of the utility model, a pushing seat is integrally connected to the rear end of the support shell, and a universal coupling is fixedly connected to the pushing seat. The universal coupling is used to connect the pushing mechanism, and the support shell moves in the pipeline under the push of the pushing mechanism.

[0013] As a further improvement of the utility model, a stirring paddle is fixedly connected to the position of the rotating shaft corresponding to the front end of the guide shell, and when the stirring paddle rotates, the sludge is squeezed into the guide shell.

[0014] As a further improvement of the utility model, the stirring protrusion includes a peripheral stirring portion arranged on the side wall of the connecting block and in contact with the inner wall of the pipe, and the stirring protrusion also includes a front end stirring portion arranged at the front end of the connecting block for contacting the sludge in the center of the pipe, and the peripheral stirring portion and the front end stirring portion both include a stirring steel wire with a U-shaped bending structure.

[0015] As a further improvement of the utility model, a support ring is provided at the end of the support shell, a plurality of support rods are inserted in a ring array on the support ring, and support protrusions bent toward the inner wall of the pipe are provided on both axial ends of the support rods.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model uses a set of dredging equipment with a stirring mechanism and a water spray pipe to stir the sludge in the pipeline and spray mixed water during the stirring. The mixed water and sludge are mixed by stirring, thereby reducing the viscosity of the sludge and achieving cleaning. At the same time, a set of sewage suction trough structure connected to the sewage suction pipe can quickly suck out the sludge; the entire mixed water and sludge stirring structure is in a supporting shell, which is more efficient and consumes less mixed water.

[0018] 2. The support rib strength of the flat plate structure is better than that of the rod structure, and it can ensure lower sludge flow resistance.

[0019] 3. The support shell is arranged eccentrically, so that the water inlet pipe can be arranged eccentrically to the suction tank, which can prevent the mixed water sprayed from the water inlet pipe from being sucked out of the suction tank too quickly, affecting the mixing efficiency.

[0020] 4. The universal coupling allows the structure to be pushed and moved by a push rod or a pipeline robot and other structures, with a higher degree of freedom.

[0021] 5. The stirring paddle can assist the sewage suction pipe and squeeze the sludge into the sewage suction tank through mechanical force, which reduces the negative pressure requirement of the sewage suction pipe and improves the sludge demisting efficiency.

[0022] 6. The stirring wire is arranged in sections to improve the stirring efficiency.

[0023] 7. The support rod structure can ensure that the support shell floats elastically in the center of the pipeline, reducing the friction between the support shell and the inside of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0026] In the figure: 1. feeding part; 2. tapering part; 3. drainage part; 4. supporting ribs; 5. connecting seat; 6. rotating shaft; 7. guide shell; 8. clamping ring; 9. drainage duct; 10. water spray pipe; 11. supporting ring; 12. supporting rod; 13. supporting protrusion; 14. sealing baffle; 15. stirring paddle; 16. sealing boss; 17. connecting block; 18. stirring wire; 19. front end stirring part; 20. peripheral stirring part; 21. pushing seat; 22. universal coupling; 23. rotating coupling. DETAILED DESCRIPTION

[0027] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0028] like Figure 1 As shown, the utility model is a municipal pipeline dredging device; comprising:

[0029] The support shell is a hollow tubular structure, comprising a feed portion 1 and a drain portion 3, wherein the connection position of the feed portion 1 and the drain portion 3 is located in the middle of the axis of the support shell, wherein the diameter of the feed portion 1 is larger than the diameter of the drain portion 3, the drain portion 3 is eccentrically arranged relative to the feed portion 1, the feed portion 1 and the drain portion 3 are connected via a tapered portion 2, and the front end of the guide shell 7 is fixed to the front end inner wall of the drain portion 3; two groups of support rib 4 mechanisms are arranged inside the support shell, which are respectively arranged on the inner walls of the feed portion 1 and the drain portion 3, and a connecting seat 5 and a plurality of support ribs 4 arranged in a circular array relative to the connecting seat 5 are arranged in the center of the support rib 4 mechanism, wherein the support rib 4 is a plate-like structure parallel to the axis of the support shell, and the support rib 4, the connecting seat 5 and the support shell are an integrated structure;

[0030] The front-end stirring mechanism comprises a rotating shaft 6, which passes through and is rotatably connected to each connecting seat 5 in sequence; a rotating coupling 23 is arranged at the end of the rotating shaft 6, and the rotating coupling 23 is used to connect to the flexible shaft; a connecting block 17 is coaxially fixed at the front end of the rotating shaft 6, and a plurality of stirring protrusions are arranged in a ring array on the connecting block 17, and the stirring protrusions include a peripheral stirring portion 20 arranged on the side wall of the connecting block 17 and contacting the inner wall of the pipeline, and the stirring wire 18 also includes a front-end stirring portion 19 arranged at the front end of the connecting block 17 for contacting the sludge in the center of the pipeline, and the peripheral stirring portion 20 and the front-end stirring portion 19 both include a stirring wire 18 with a U-shaped bending structure; a stirring paddle 15 is fixedly connected to the position of the rotating shaft 6 corresponding to the front end of the guide shell 7, and when the stirring paddle 15 rotates, the sludge is squeezed into the guide shell 7;

[0031] The sewage suction trough comprises a guide shell 7 with a tapered structure, the flared end of the guide shell 7 is located in the axial middle of the inner wall of the support shell, the flared end of the guide shell 7 is in sealing contact with the inner wall of the support shell through a clamping ring 8 with a step structure, the outer ring of the clamping ring 8 is provided with a clamping groove, the flared end of the guide shell 7 is embedded in the clamping groove, a sewage discharge conduit 9 is connected to the contracted end of the guide shell 7, and the sewage discharge conduit 9 is eccentrically arranged relative to the guide shell 7; the sewage discharge conduit 9 is connected to the sewage suction pipe, and a sealing boss 16 is integrally provided in the axial middle of the guide shell 7, the rotating shaft 6 is in rotational sealing contact with the sealing boss 16, and the rotating shaft 6 passes through the guide shell 7 at the position of the sealing boss 16 and is in rotational contact with the guide shell 7;

[0032] A water spray pipe 10, the front end of which is connected to the end of the feed part 1 of the support shell corresponding to the drop end surface of the sewage discharge part 3, and the end of the water spray pipe 10 is connected to the water inlet pipe.

[0033] Among them, a pushing seat 21 is integrally connected to the rear end of the support shell, and a universal coupling 22 is fixedly connected to the pushing seat 21. The universal coupling 22 is used to connect the pushing mechanism, and the support shell moves in the pipeline under the push of the pushing mechanism.

[0034] A support ring 11 is provided at the end of the support shell, and a plurality of support rods 12 are inserted in a circular array on the support ring 11. Both axial ends of the support rods 12 are provided with support protrusions 13 bent toward the inner wall of the pipe.

[0035] A sealing baffle 14 is fixed at the end of the sewage discharge part 3 of the support shell, and the connecting seat 5 , the universal coupling 22 , and the sewage discharge conduit 9 all pass through the sealing baffle 14 and are sealed and fixed thereto.

[0036] When in use, a driving shaft is connected to the universal coupling 22, and the driving shaft can be a spring or a straight rod mechanism, and the movement of the support shell is achieved by the driving of the driving shaft; the support shell is embedded in the pipeline through the support rod 12, and then the spring soft shaft is connected to the rotating coupling 23 to drive the rotating shaft 6 to rotate. When the rotating shaft 6 rotates, the stirring wire 18 of the front end stirring part 19 is preferentially used to stir the sludge in the pipeline. At the same time, the water spray pipe 10 is driven by the high-pressure water of the water inlet pipe to pass through the gap between the stirring paddle 15 and the inner wall of the support shell and impact toward the front of the support shell. The impact process cooperates with the stirring of the front end stirring part 19 to soften the sludge and Under the squeezing of the front end during the movement process, the sludge is swallowed into the support shell. After that, the sludge on the pipe wall is stirred by the stirring wire 18 of the outer stirring part 20 and is also swallowed into the support shell. After that, it is driven by the rotation of the stirring paddle 15 to enter the guide shell 7 with negative pressure. Subsequently, the soft sludge mixed with the mixed water is sucked out by the negative pressure of the mist exhaust duct to achieve the cleaning and dredging of the sludge in the pipe. Moreover, the stirring protrusions of the wire structure can reduce the damage to the inner wall of the pipe made of concrete and plastic materials. This structure can also be connected to the pipeline robot through a universal coupling 22 to improve the degree of automation and freedom of movement.

[0037] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A municipal pipeline dredging device; characterized in that: include: include: A support shell, the support shell is a hollow tubular structure, at least two groups of support rib (4) mechanisms are arranged inside the support shell, and a connection seat (5) and a plurality of support ribs (4) arranged in a circular array relative to the connection seat (5) are arranged at the center of the support rib (4); The front end stirring mechanism comprises a rotating shaft (6), the rotating shaft (6) sequentially passing through and rotatably connected to each connecting seat (5); a rotating coupling (23) is provided at the end of the rotating shaft (6), the rotating coupling (23) is used to connect to the flexible shaft, a connecting block (17) is coaxially fixed at the front end of the rotating shaft (6), and a plurality of stirring protrusions are arranged in an annular array on the connecting block (17); The sewage suction trough comprises a guide shell (7) with a tapered structure, the expanded end of the guide shell (7) is located in the axial middle of the inner wall of the support shell, the expanded end of the guide shell (7) is in sealing contact with the inner wall of the support shell, a sewage discharge conduit (9) is connected to the contracted end of the guide shell (7), the sewage discharge conduit (9) is eccentrically arranged relative to the guide shell (7), and the sewage discharge conduit (9) is connected to the sewage suction pipe; A water spray pipe (10), the front end of the water spray pipe (10) is connected to the inner wall of the support shell corresponding to the front end position of the opening of the guide shell (7), the spray axis of the water spray pipe (10) faces the front end of the support shell, and the end of the water spray pipe (10) is connected to the water inlet pipe.

2. A municipal pipeline dredging device as claimed in claim 1, characterized in that: The support rib (4) is a plate-like structure parallel to the axis of the support shell, and the support rib (4), the connecting seat (5) and the support shell are an integral structure.

3. A municipal pipeline dredging device as claimed in claim 1, characterized in that: The support shell comprises a feed portion (1) and a drain portion (3), wherein the connection position of the feed portion (1) and the drain portion (3) is located at the middle position of the axis of the support shell, wherein the diameter of the feed portion (1) is larger than the diameter of the drain portion (3), the drain portion (3) is arranged eccentrically relative to the feed portion (1), the feed portion (1) and the drain portion (3) are connected via a tapered portion (2), the front end of the guide shell (7) is fixed to the front end inner wall of the drain portion (3); the connection seat (5) of the drain portion (3) is arranged eccentrically to the axis of the drain portion (3); and a water spray pipe (10) is integrally embedded at the end of the feed portion (1).

4. A municipal pipeline dredging device as claimed in claim 1, characterized in that: A pushing seat (21) is integrally connected to the rear end of the support shell, and a universal coupling (22) is fixedly connected to the pushing seat (21). The universal coupling (22) is used to connect to a pushing mechanism, and the support shell moves in the pipeline under the push of the pushing mechanism.

5. A municipal pipeline dredging device as claimed in claim 1, characterized in that: A stirring paddle (15) is fixedly connected to the rotating shaft (6) at a position corresponding to the front end of the guide shell (7); when the stirring paddle (15) rotates, the sludge is squeezed into the guide shell (7).

6. A municipal pipeline dredging device as claimed in claim 1, characterized in that: The stirring protrusion comprises a peripheral stirring portion (20) arranged on the side wall of the connection block (17) and in contact with the inner wall of the pipeline, and the stirring protrusion also comprises a front stirring portion (19) arranged at the front end of the connection block (17) and used for contacting the sludge in the center of the pipeline, and the peripheral stirring portion (20) and the front stirring portion (19) both comprise a stirring steel wire (18) with a U-shaped bending structure.

7. A municipal pipeline dredging device as claimed in claim 1, characterized in that: A support ring (11) is provided at the end of the support shell, a plurality of support rods (12) are plugged into the support ring (11) in a circular array, and support protrusions (13) bent toward the inner wall of the pipe are provided at both axial ends of the support rods (12).

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