CN116677066A - Pipeline dredging method for trenchless large underground pipe network - Google Patents
Pipeline dredging method for trenchless large underground pipe network Download PDFInfo
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- CN116677066A CN116677066A CN202310604096.1A CN202310604096A CN116677066A CN 116677066 A CN116677066 A CN 116677066A CN 202310604096 A CN202310604096 A CN 202310604096A CN 116677066 A CN116677066 A CN 116677066A
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- Prior art keywords
- sludge
- pipeline
- extrusion device
- extrusion
- spiral
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000010802 sludge Substances 0.000 claims abstract description 121
- 238000001125 extrusion Methods 0.000 claims abstract description 119
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000013049 sediment Substances 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000005381 potential energy Methods 0.000 claims abstract description 10
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 2
- 230000001427 coherent effect Effects 0.000 claims 1
- 238000011084 recovery Methods 0.000 description 10
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/14—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
Abstract
The application discloses a pipeline dredging method for a trenchless large-scale underground pipe network, which relates to the technical field of trenchless underground pipeline dredging, wherein in the spiral peristaltic process of sludge in a spiral extrusion device, the inner diameter of the spiral extrusion device is gradually reduced from a feed inlet end to a discharge outlet end, and water in the sludge is gradually extruded when the sludge is extruded to move forwards; the discharge port end of the screw extrusion device inclines towards the feed port end, water flows out from the feed port through the inclined potential energy of the inner wall of the screw extrusion device, dehydrated sediment is guided out from the discharge port, and sludge-water separation post-treatment is directly completed in the dredging process.
Description
Technical Field
The application relates to the technical field of dredging of non-excavation underground pipelines, in particular to a dredging method for a non-excavation large-scale underground pipe network pipeline.
Background
The large pipeline is characterized in that the diameter of the pipeline reaches more than 1 meter, the pipeline is commonly used for urban underground main pipelines, river channels and channels, and once the pipeline is deposited, the main stream method is manual dredging, and the manual dredging has the danger of threatening life safety. In the prior art, a robot or a dredging vehicle is used for solving the dredging of a large pipeline, for example:
CN210597580U discloses a pipeline dredging robot with a wringing cage, it discloses a collecting mechanism including a cover body connected to the cylinder body along the axis direction of the cylinder body, a discharging pipe extending to the cylinder body through the upper end face of the cover body and a rotating shaft connected to the cover body in a rotating way, the cover body is box-shaped and has an opening facing away from one end of the cylinder body, the rotating shaft passes through the center of the cover body along the length direction of the cover body, the rotating shaft is fixedly connected with a spiral encircling wringing sheet along the circumference side thereof, the wringing sheet is divided into a wringing sheet I and a wringing sheet II symmetrically arranged along the gravity center of the rotating shaft, one side of the cover body is provided with a hydraulic motor III for driving the rotating shaft, sludge is squeezed to the middle of the wringing sheet I and the wringing sheet II, two side baffles limit, and the sludge can only be squeezed into the discharging pipe, and the pump works to extract the sludge into a waste hopper. It is obvious that CN210597580U solves how to collect sludge in the pipeline, which also requires to convey the sludge to the ground for further post-treatment process in combination with a mud-water separation vehicle.
CN216475269U discloses a high-efficient desilting device for hydraulic riverway engineering, it discloses during the use, insert the suction pipe in the silt, the suction pump pumps silt into the processing box from the suction pipe through the inlet pipe with silt, first filter screen filters the silt, filter the moisture in the silt, the second motor drives the cam and rotates, the cam drives the vibrating plate anticlockwise rotation, when the cam continues to rotate and the vibrating plate breaks away from, the pressure spring drives the vibrating plate clockwise rotation, and then make the vibrating plate vibrate, avoid silt to deposit on the vibrating plate, improve dehydration efficiency, the silt after the dehydration gets into in the sleeve from the silt mouth, the motor drives the axis of rotation and rotates, the axis of rotation drives helical blade and rotates, helical blade drives silt upward movement, the second filter screen passes through the ascending extrusion force of silt and further dehydrates the silt, the dehydration is discharged from the bin outlet, and then reduce the volume of silt, the transportation of being convenient for. CN216475269U adopts the first filter screen to filter the moisture in the silt, and then upwards extrudes the second filter screen through the cooperation of helical blade to further filter the moisture in the silt again, CN216475269U is equivalent to mud-water separation post-treatment device, and it can't go into the well to directly operate in the pipeline.
The existing dredging method cannot achieve the purpose of simultaneously completing sludge-water separation post-treatment in the dredging process, sludge is required to be conveyed to the ground, sludge-water separation post-treatment is carried out by a sludge-water separation vehicle, dredging and sludge-water separation are carried out, and one is carried out in a pipeline, and the other is carried out in the ground.
Disclosure of Invention
The application aims to provide a dredging method for a pipeline of a trenchless large-scale underground pipe network, which aims to avoid the defects of the prior art. In the application, in the spiral peristaltic process of the sludge in the spiral extrusion device, the inner diameter of the spiral extrusion device gradually reduces from the feed inlet end to the discharge outlet end, and the water in the sludge is gradually extruded when the sludge is extruded to advance; the discharge port end of the screw extrusion device inclines towards the feed port end, water flows out from the feed port through the inclined potential energy of the inner wall of the screw extrusion device, dehydrated sediment is guided out from the discharge port, and sludge-water separation post-treatment is directly completed in the dredging process.
The above object of the present application is achieved by the following technical means:
the application discloses a dredging method for a pipeline of a trenchless large-scale underground pipe network,
the dredging vehicle enters a siltation pipeline from a maintenance well;
the cutter suction device 5 scoops up the sludge in the pipeline in the front process of the dredging vehicle and cutter-sucks and extrudes the sludge into the screw extrusion device 4;
the sludge enters from a feed inlet 441 of the screw extrusion device 4 and is led out from a discharge outlet 442, the inner diameter of the screw extrusion device gradually reduces from the feed inlet end to the discharge outlet end in the process of spiral peristaltic movement of the sludge in the screw extrusion device 4, and the water in the sludge is gradually extruded when the sludge is extruded and moves forward;
the discharge port end of the screw extrusion device 4 inclines towards the feed port end, water flows out from the feed port 441 through the inclined potential energy of the inner wall of the screw extrusion device 4, dehydrated sediment is guided out from the discharge port 442, and mud-water separation post-treatment is directly completed in the dredging process.
Further, the cutter suction device 5 is integrally connected with the screw extrusion device 4, the cutter suction device 5 comprises a mud shovel 51, a shovel plate 52 is arranged at the bottom of the mud shovel 51, and two cutter suction impellers 53 are symmetrically arranged on the left and right sides of the front side of the shovel plate 52;
the cutter suction device 5 includes a continuous action of scooping up the sludge, cutter sucking the sludge, and pressing the sludge toward the feed port 441, wherein,
and (3) scooping up the sludge: the double hydraulic rods are extended to control the cutter suction device 5 to enable the mud shoveling plate 52 to be attached to the inner wall in the pipeline, and the dredging vehicle scoops up mud in the forward process;
and sucking sludge in a twisting way: after the sludge is scooped up, the two cutter suction impellers 53 are twisted inwardly in opposite directions to each other to push the sludge toward the feed inlet 441;
extruding the sludge: the cutter suction impeller 53 presses the sludge into the feed inlet 441 during the cutter suction of the sludge, passes through the pressed sludge into the screw press, and provides the screw press with the ability to press the sludge.
Still further, the sludge is scooped up, twisted and sucked by the twisting and sucking device 5, and pushed to the fan blade rotating head 43 by extrusion;
the sludge flows into the extrusion pipe 44 from the blade gap between the feed port 441 and the blade rotor 43;
in the process that the sludge forms a peristaltic channel 423 spiral peristaltic by combining the rotating shaft 421 and the spiral blades 422 with the inner wall of the extrusion pipeline 44 and taking the rotating shaft 421 as an axis, as the inner diameters of the extrusion pipeline 44 and the spiral blades 422 are gradually reduced from the feed inlet 441 to the discharge outlet 442, the water in the sludge is gradually extruded in the process that the peristaltic extrusion of the peristaltic channel 423 advances, and as the spiral extrusion device is obliquely arranged and the spiral blade roller 42 is not completely contacted with the inner wall of the extrusion pipeline 44, the extruded water flows out from the feed inlet along the oblique potential energy of the inner wall of the extrusion pipeline 44;
in the process that the sludge advances through the peristaltic extrusion of the peristaltic channel 423, the sediment in the sludge is gradually dehydrated or gradually hardened and then discharged through the discharge hole.
Further, the screw extrusion device 4 is composed of a hydraulic motor 41, a screw blade roller 42, a blade rotating head 43 and an extrusion pipeline 44;
the spiral vane roller 42 is arranged in the extrusion pipeline 44 but is not in full contact with the inner wall of the extrusion pipeline 44;
the spiral vane roller 42 is composed of a rotary shaft 421 and a spiral vane 422 spirally wound on the rotary shaft 421, wherein the rotary shaft 421 and the spiral vane 422 are combined with the inner wall of the extrusion pipe 44 to form a peristaltic channel 423 spiraling around the rotary shaft 421 as the axis;
the hydraulic motor 41 is provided with an output shaft 411, and the rotating shaft 421 is connected with the output shaft 411 to drive the spiral fan blade roller 42 to rotate;
one end of the extrusion pipeline 44 is provided with a feed inlet 441, and the other end is provided with a discharge outlet 442;
the fan blade rotating head 43 is connected with the other end of the spiral fan blade roller 42 and extends out of the feeding hole 441;
the inner diameters of the extrusion pipe 44 and the screw blade 422 are gradually reduced from the feed port 441 to the discharge port 442.
Preferably, the blade rotating head 43 includes a rotating head 431 and a plurality of blades disposed at regular angles to the rotating head 431, and the rotating blade rotating head 43 uniformly guides the sludge into the peristaltic path 423 to prevent the peristaltic path 423 from being blocked.
Preferably, one end of the double hydraulic rod 3 is hinged to the front side of the frame 1, and the other end of the double hydraulic rod is movably connected to two sides of the screw extrusion device 4 to control the lifting of the screw extrusion device 4 and drive the lifting of the cutter suction device 5;
the double hydraulic rods retract, the spiral extrusion device is controlled to lift, so that the cutter suction device is lifted off the ground, the front resistance of the dredging vehicle can be reduced, and the sludge is fully cutter-sucked after being scooped up and extruded into the spiral extrusion device to directly dredge the sludge, and the residual sludge is terminated.
Preferably, the dredging vehicle comprises a vehicle frame 1, a rear vehicle frame 11 arranged at the rear of the vehicle frame 1, a moving device 2 arranged below the vehicle frame 1, a double hydraulic rod 3 with one end hinged to the vehicle frame 1, a twisting and sucking device 5 integrally connected with a screw extrusion device 4, a hydraulic control box 6 arranged on the vehicle frame 1, and a screw extrusion device 4 with the rear end supported by the rear vehicle frame 11, the middle part supported by the vehicle frame 1, the front end controlled by the double hydraulic rod 3, and the inner diameter inclined from a discharge hole to a feed hole and gradually reduced from the front end;
the hydraulic control box 6 is used for hydraulically controlling the moving device 2 to move, the double hydraulic rods 3 to shrink, the screw extrusion device 4 to operate and the cutter suction device 5 to twist;
the driving mode of the moving device 2 at least comprises one of four-wheel hydraulic driving or double-track hydraulic driving.
Preferably, the wringing impeller 53 includes an impeller motor 531, an output wheel 532 connected to the impeller motor 531, and a plurality of blades disposed on the output wheel 532 in a regular incline.
Preferably, the fan blade is an arch fan blade 7, and one surface of the arch fan blade 7 is a ground breaking surface 71.
Preferably, the rear frame 11 is provided with a frame groove 111, and the frame groove 111 supports the rear end of the screw extrusion device 4;
the discharge port 442 is connected with a suction pipe for conveying dehydrated sediment to the ground;
the hydraulic control box 6 is connected with a ground moving hydraulic power station, and the ground moving hydraulic power station provides a hydraulic power source for the dredging vehicle.
The beneficial effects produced by adopting the technical scheme are that:
in the application, the sludge enters from the feed inlet 441 of the screw extrusion device 4 and is led out from the discharge outlet 442, the inner diameter of the screw extrusion device gradually reduces from the feed inlet end to the discharge outlet end in the process of spiral peristaltic movement of the sludge in the screw extrusion device 4, and the water in the sludge is gradually extruded when the sludge is extruded and moves forwards; the discharge port end of the screw extrusion device 4 inclines towards the feed port end, water flows out from the feed port 441 through the inclined potential energy of the inner wall of the screw extrusion device 4, dehydrated sediment is guided out from the discharge port 442, and mud-water separation post-treatment is directly completed in the dredging process.
Specifically, the sludge flows into the extrusion pipe 44 from the blade gap between the feed port 441 and the blade rotor 43; in the process that the sludge forms a peristaltic channel 423 spiral peristaltic by combining the rotating shaft 421 and the spiral blades 422 with the inner wall of the extrusion pipeline 44 and taking the rotating shaft 421 as an axis, as the inner diameters of the extrusion pipeline 44 and the spiral blades 422 are gradually reduced from the feed inlet 441 to the discharge outlet 442, the water in the sludge is gradually extruded in the process that the peristaltic extrusion of the peristaltic channel 423 advances, and as the spiral extrusion device is obliquely arranged and the spiral blade roller 42 is not completely contacted with the inner wall of the extrusion pipeline 44, the extruded water flows out from the feed inlet along the oblique potential energy of the inner wall of the extrusion pipeline 44; in the process that the sludge advances through the peristaltic extrusion of the peristaltic channel 423, the sediment in the sludge is gradually dehydrated or gradually hardened and then discharged through the discharge hole.
The cutter suction device 5 includes a continuous action of scooping up the sludge, cutter sucking the sludge, and pressing the sludge toward the feed port 441, wherein the scooping up of the sludge is performed: the double hydraulic rods are extended to control the cutter suction device 5 to enable the mud shoveling plate 52 to be attached to the inner wall in the pipeline, and the dredging vehicle scoops up mud in the forward process; and sucking sludge in a twisting way: after the sludge is scooped up, the two cutter suction impellers 53 are twisted inwardly in opposite directions to each other to push the sludge toward the feed inlet 441; extruding the sludge: the cutter suction impeller 53 presses the sludge into the feed inlet 441 during the cutter suction of the sludge, passes through the pressed sludge into the screw press, and provides the screw press with the ability to press the sludge.
The fan blade rotor 43 of (1) uniformly directs the sludge into the peristaltic path 423 to prevent clogging of the peristaltic path 423.
The double hydraulic rods retract, the spiral extrusion device is controlled to lift, so that the cutter suction device is lifted off the ground, the front resistance of the dredging vehicle can be reduced, and the sludge is fully cutter-sucked after being scooped up and extruded into the spiral extrusion device to directly dredge the sludge, and the residual sludge is terminated.
The suction pipe is used for conveying the dehydrated sediment to the ground; the suction pipe sucks the dehydrated sediment out of the sediment recovery truck 82 on the ground through a large suction force, or a sediment recovery tank 83 is arranged between the suction pipe and the discharge hole, and the suction pipe sucks the sediment of the sediment recovery tank out of the sediment recovery truck 82 on the ground;
according to the application, the hydraulic control box 6 is connected with the ground moving hydraulic power station 91, the hydraulic power is adopted to control the moving device to move, the double hydraulic rods shrink, the screw extrusion device operates and the wringing and sucking device wrings, compared with other power sources, the hydraulic power station can be arranged on the ground, after the dredging vehicle goes into a well, the hydraulic power station connected with the ground provides a power source for the dredging vehicle, and the dredging vehicle enters a pipeline to carry out dredging operation.
Drawings
FIG. 1 is a schematic illustration of a dredging scenario;
FIG. 2 is a schematic front cross-sectional view of the dredging vehicle;
FIG. 3 is a schematic view of a dredging vehicle screw extrusion device in a top cut-away;
FIG. 4 is a schematic top view of the dredging vehicle;
FIG. 5 is a schematic left view of the dredging vehicle;
FIG. 6 is a schematic front view of the dredging vehicle.
Wherein, the frame 1; a rear frame 11; a rack groove 111; a mobile device 2; a double hydraulic lever 3;
screw extrusion device 4: a hydraulic motor 41; an output shaft 411; a spiral vane roller 42; a rotation shaft 421; a helical blade 422; peristaltic channel 423; a fan blade rotor 43; a swivel 431; squeeze the tubing 44; a feed port 441; a discharge port 442;
a cutter suction device 5; a mud shovel 51; a shovel plate 52; a cutter suction impeller 53; an impeller motor 531; an output wheel 532;
an arch fan blade 7 of the hydraulic control box 6; a ground surface 71; a suction pipe 81; a silt recovery vehicle 82; a sediment recovery tank 83; a ground moving hydraulic power station 91;92; a power supply and signal line 93; a camera 94.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Example 1. As shown in figures 1-6 a method for dredging a pipeline of a trenchless large underground pipe network,
the dredging vehicle enters a siltation pipeline from a maintenance well;
the cutter suction device 5 scoops up the sludge in the pipeline in the front process of the dredging vehicle and cutter-sucks and extrudes the sludge into the screw extrusion device 4;
the sludge enters from a feed inlet 441 of the screw extrusion device 4 and is led out from a discharge outlet 442, the inner diameter of the screw extrusion device gradually reduces from the feed inlet end to the discharge outlet end in the process of spiral peristaltic movement of the sludge in the screw extrusion device 4, and the water in the sludge is gradually extruded when the sludge is extruded and moves forward;
the discharge port end of the screw extrusion device 4 inclines towards the feed port end, water flows out from the feed port 441 through the inclined potential energy of the inner wall of the screw extrusion device 4, dehydrated sediment is guided out from the discharge port 442, and mud-water separation post-treatment is directly completed in the dredging process.
Embodiment 2. Other technical features of the present embodiment are the same as those of embodiment 1, except that, as shown in fig. 2-5, the wringing device 5 is integrally connected with the screw extrusion device 4, the wringing device 5 includes a mud shovel 51, a mud shovel 52 is provided at the bottom of the mud shovel 51, and two wringing impellers 53 are symmetrically provided on the front side of the mud shovel 52;
the cutter suction device 5 includes a continuous action of scooping up the sludge, cutter sucking the sludge, and pressing the sludge toward the feed port 441, wherein,
and (3) scooping up the sludge: the double hydraulic rods are extended to control the cutter suction device 5 to enable the mud shoveling plate 52 to be attached to the inner wall in the pipeline, and the dredging vehicle scoops up mud in the forward process;
and sucking sludge in a twisting way: after the sludge is scooped up, the two cutter suction impellers 53 are twisted inwardly in opposite directions to each other to push the sludge toward the feed inlet 441;
extruding the sludge: the cutter suction impeller 53 presses the sludge into the feed inlet 441 during the cutter suction of the sludge, passes through the pressed sludge into the screw press, and provides the screw press with the ability to press the sludge.
Embodiment 3. Other technical features of this embodiment are the same as those of embodiment 2, except that as shown in fig. 2-5, sludge is scooped up, twisted and pushed by the twisting and sucking device 5 to the fan blade rotating head 43;
the sludge flows into the extrusion pipe 44 from the blade gap between the feed port 441 and the blade rotor 43;
in the process that the sludge forms a peristaltic channel 423 spiral peristaltic by combining the rotating shaft 421 and the spiral blades 422 with the inner wall of the extrusion pipeline 44 and taking the rotating shaft 421 as an axis, as the inner diameters of the extrusion pipeline 44 and the spiral blades 422 are gradually reduced from the feed inlet 441 to the discharge outlet 442, the water in the sludge is gradually extruded in the process that the peristaltic extrusion of the peristaltic channel 423 advances, and as the spiral extrusion device is obliquely arranged and the spiral blade roller 42 is not completely contacted with the inner wall of the extrusion pipeline 44, the extruded water flows out from the feed inlet along the oblique potential energy of the inner wall of the extrusion pipeline 44;
in the process that the sludge advances through the peristaltic extrusion of the peristaltic channel 423, the sediment in the sludge is gradually dehydrated or gradually hardened and then discharged through the discharge hole.
Embodiment 4. Other technical features of the present embodiment are the same as those of embodiment 3, except that, as shown in fig. 2 to 5, the screw extrusion device 4 is composed of a hydraulic motor 41, a screw blade roller 42, a blade rotor 43 and an extrusion pipe 44;
the spiral vane roller 42 is arranged in the extrusion pipeline 44 but is not in full contact with the inner wall of the extrusion pipeline 44;
the spiral vane roller 42 is composed of a rotary shaft 421 and a spiral vane 422 spirally wound on the rotary shaft 421, wherein the rotary shaft 421 and the spiral vane 422 are combined with the inner wall of the extrusion pipe 44 to form a peristaltic channel 423 spiraling around the rotary shaft 421 as the axis;
the hydraulic motor 41 is provided with an output shaft 411, and the rotating shaft 421 is connected with the output shaft 411 to drive the spiral fan blade roller 42 to rotate;
one end of the extrusion pipeline 44 is provided with a feed inlet 441, and the other end is provided with a discharge outlet 442;
the fan blade rotating head 43 is connected with the other end of the spiral fan blade roller 42 and extends out of the feeding hole 441;
the inner diameters of the extrusion pipe 44 and the screw blade 422 are gradually reduced from the feed port 441 to the discharge port 442.
Embodiment 5. Other technical features of this embodiment are the same as those of embodiment 3, except that as shown in fig. 2-5, the fan blade rotating head 43 includes a rotating head 431 and a plurality of fan blades disposed on the rotating head 431 in a regular inclined manner, and the rotating fan blade rotating head 43 in operation uniformly guides the sludge into the peristaltic path 423 to prevent the peristaltic path 423 from being blocked.
Embodiment 6. Other technical features of this embodiment are the same as those of embodiment 2, except that, as shown in fig. 2-5, one end of the dual hydraulic rod 3 is hinged to the front side of the frame 1, and the other end is movably connected to two sides of the screw extrusion device 4 to control the lifting of the screw extrusion device 4 and drive the lifting of the cutter suction device 5;
the double hydraulic rods retract, the spiral extrusion device is controlled to lift, so that the cutter suction device is lifted off the ground, the front resistance of the dredging vehicle can be reduced, and the sludge is fully cutter-sucked after being scooped up and extruded into the spiral extrusion device to directly dredge the sludge, and the residual sludge is terminated.
The other technical features of the present embodiment are the same as those of embodiment 1, and as shown in fig. 2-6, the dredging vehicle comprises a frame 1, a rear frame 11 arranged at the rear of the frame 1, a moving device 2 arranged under the frame 1, a double hydraulic rod 3 with one end hinged to the frame 1, a twisting and sucking device 5 integrally connected with the screw extruding device 4, a hydraulic control box 6 arranged on the frame 1, and a screw extruding device 4 with the rear end supported by the rear frame 11, the middle part supported by the frame 1, the front end controlled by the double hydraulic rod 3, the inner diameter inclined from a discharge hole to a feed hole and gradually reduced from the front end;
the hydraulic control box 6 is used for hydraulically controlling the moving device 2 to move, the double hydraulic rods 3 to shrink, the screw extrusion device 4 to operate and the cutter suction device 5 to twist;
the driving mode of the moving device 2 at least comprises one of four-wheel hydraulic driving or double-track hydraulic driving.
Embodiment 8. Other technical features of this embodiment are the same as those of embodiment 2, except that, as shown in fig. 2-5, the wringing impeller 53 includes an impeller motor 531, an output wheel 532 connected to the impeller motor 531, and a plurality of blades disposed on the output wheel 532 in a regular incline.
Embodiment 9. Other technical features of this embodiment are the same as those of embodiment 5 or 8, except that as shown in fig. 5, the fan blades are arched fan blades 7, one surface of each arched fan blade 7 is a ground breaking surface 71, and the ground breaking surface 71 is beneficial to stirring sludge, so that the stirring resistance is reduced.
Embodiment 10. Other technical features of the present embodiment are the same as those of embodiment 7 except that, as shown in fig. 1, the rear frame 11 is provided with a frame groove 111, and the frame groove 111 supports the rear end of the screw extrusion device 4;
the discharge port 442 is connected with a suction pipe 81 for conveying dehydrated sediment to the ground; the suction pipe sucks the dehydrated sediment out of the sediment recovery truck 82 on the ground through a large suction force, or a sediment recovery tank 83 is arranged between the suction pipe and the discharge hole, and the suction pipe sucks the sediment of the sediment recovery tank out of the sediment recovery truck 82 on the ground;
the hydraulic control box 6 is connected with a ground moving hydraulic power station 91, and the ground moving hydraulic power station 91 provides a hydraulic power source for the dredging vehicle. The hydraulic control box 6 is connected to the ground moving hydraulic power station 91 through an oil pipe 92, a power supply and a signal line 93.
In embodiment 11, on the basis of embodiment 10, as shown in fig. 1, more than one camera 94 may be disposed on the dredging vehicle, where the camera 94 is connected with the hydraulic control box 6 to upload video data to the ground mobile hydraulic power station for visual control of the dredging vehicle.
Claims (10)
1. A non-excavation large-scale underground pipe network pipeline dredging method is characterized in that,
the dredging vehicle enters a siltation pipeline from a maintenance well;
the cutter suction device (5) scoops up the sludge in the pipeline in the front process of the dredging vehicle and cutter-sucks and extrudes the sludge into the screw extrusion device (4);
the sludge enters from a feed inlet (441) of the screw extrusion device (4) and is led out from a discharge outlet (442), the inner diameter of the screw extrusion device is gradually reduced from the feed inlet end to the discharge outlet end in the screw peristaltic process of the sludge in the screw extrusion device (4), and the water in the sludge is gradually extruded when the sludge is extruded and moves forwards;
the discharge port end of the screw extrusion device (4) inclines towards the feed port end, water flows out from the feed port (441) through the inclined potential energy of the inner wall of the screw extrusion device (4), dehydrated sediment is guided out from the discharge port (442), and sludge-water separation post-treatment is directly completed in the dredging process.
2. The dredging method as recited in claim 1, wherein the wringing device (5) is integrally connected with the screw extrusion device (4), the wringing device (5) comprises a mud shovel (51), a mud shovel (52) is arranged at the bottom of the mud shovel (51), and two wringing impellers (53) are symmetrically arranged on the front side of the mud shovel (52) in a left-right symmetry manner;
the wringing device (5) comprises a coherent action of scooping up the sludge, wringing the sludge and pressing the sludge towards the feed opening (441), wherein,
and (3) scooping up the sludge: the double hydraulic rods are extended to control the cutter suction device (5) to enable the mud shoveling plate (52) to be attached to the inner wall in the pipeline, and the dredging vehicle scoops up mud in the forward process;
and sucking sludge in a twisting way: after the sludge is scooped up, the two wringing impellers (53) are twisted inwards in opposite directions to push the sludge to the feed inlet (441);
extruding the sludge: the cutter suction impeller (53) is used for extruding sludge into the feed inlet (441) through the blades in the process of cutter suction of the sludge, and the sludge is extruded into the screw extrusion device through the extrusion of the sludge, and the capability of the screw extrusion device for extruding the sludge is provided.
3. A dredging method as claimed in claim 2, characterized in that the sludge is scooped up, twisted and pushed by the twisted suction device (5) towards the blade rotor (43);
the sludge flows into the extrusion pipeline (44) from a blade gap between the feed inlet (441) and the blade rotating head (43);
in the spiral peristaltic process that a peristaltic channel (423) which takes a rotating shaft (421) as an axis is formed by combining the rotating shaft (421) with the inner wall of an extrusion pipeline (44) by the sludge and the helical blades (422), the inner diameters of the extrusion pipeline (44) and the helical blades (422) are gradually reduced from a feed inlet (441) to a discharge outlet (442), and water in the sludge is gradually extruded in the spiral peristaltic extrusion advancing process of the peristaltic channel (423), and the helical extrusion device is obliquely arranged and the helical blade roller (42) is not completely contacted with the inner wall of the extrusion pipeline (44), so that the extruded water flows out from the feed inlet along the inclined potential energy of the inner wall of the extrusion pipeline (44);
in the process of the peristaltic extrusion of the peristaltic channel (423), the sediment in the sediment is gradually dehydrated or gradually hardened and then discharged through the discharge hole.
4. A dredging method as claimed in claim 3, characterized in that the screw extrusion device (4) consists of a hydraulic motor (41), a screw blade roller (42), a blade rotor (43) and an extrusion pipe (44);
the spiral vane roller (42) is arranged in the extrusion pipeline (44) but is not in complete contact with the inner wall of the extrusion pipeline (44);
the spiral vane roller (42) is composed of a rotating shaft (421) and spiral vanes (422) spirally wound on the rotating shaft (421), wherein the rotating shaft (421) and the spiral vanes (422) are combined with the inner wall of the extrusion pipeline (44) to form a peristaltic channel (423) which spirals around the rotating shaft (421) as the axis;
the hydraulic motor (41) is provided with an output shaft (411), and the rotating shaft (421) is connected with the output shaft (411) to drive the spiral fan blade roller (42) to rotate;
one end of the extrusion pipeline (44) is provided with a feed inlet (441), and the other end is provided with a discharge outlet (442);
the fan blade rotating head (43) is connected with the other end of the spiral fan blade roller (42) and extends out of the feeding hole (441);
the inner diameters of the extrusion pipeline (44) and the helical blades (422) gradually decrease from the feed inlet (441) to the discharge outlet (442).
5. A dredging method as claimed in claim 3, wherein the blade rotor (43) comprises a rotor (431) and a plurality of blades arranged at regular angles to the rotor (431), and the running blade rotor (43) guides the sludge evenly into the peristaltic channel (423) to prevent the peristaltic channel (423) from being blocked.
6. The dredging method as recited in claim 2, wherein one end of the dual hydraulic rod (3) is hinged to the front side of the frame (1), and the other end is movably connected to two sides of the screw extrusion device (4) to control the lifting of the screw extrusion device (4) and drive the lifting of the cutter suction device (5);
the double hydraulic rods retract, the spiral extrusion device is controlled to lift, so that the cutter suction device is lifted off the ground, the front resistance of the dredging vehicle can be reduced, and the sludge is fully cutter-sucked after being scooped up and extruded into the spiral extrusion device to directly dredge the sludge, and the residual sludge is terminated.
7. The dredging method as claimed in claim 1, wherein the dredging vehicle comprises a vehicle frame (1) and a rear frame (11) arranged at the rear of the vehicle frame (1), a moving device (2) arranged under the vehicle frame (1), a double hydraulic rod (3) with one end hinged to the vehicle frame (1), a winch suction device (5) integrally connected with the screw extrusion device (4), a hydraulic control box (6) arranged on the vehicle frame (1) and a screw extrusion device (4) with the rear end supported by the rear frame (11), the middle part supported by the vehicle frame (1), the front end controlled by the double hydraulic rod (3) and the inner diameter inclined from a discharge hole to a feed hole and gradually reduced from the front end;
the hydraulic control box (6) is used for hydraulically controlling the moving device (2) to move, the double hydraulic rods (3) to shrink, the spiral extrusion device (4) to operate and the wringing and sucking device (5) to wring;
the driving mode of the moving device (2) at least comprises one of four-wheel hydraulic driving or double-track hydraulic driving.
8. The dredging method as recited in claim 2, wherein the wringing impeller (53) comprises an impeller motor (531), an output wheel (532) connected to the impeller motor (531), and a plurality of blades disposed at regular angles to the output wheel (532).
9. A dredging method as claimed in claim 5 or 8, characterized in that the blades are arched blades (7), one side of the arched blades (7) being a ground breaking surface (71).
10. A dredging method as claimed in claim 7, wherein the rear frame (11) is provided with a frame groove (111), the frame groove (111) supporting the rear end of the screw extrusion device (4);
the discharge port (442) is connected with a suction pipe which is used for conveying dehydrated sediment to the ground;
the hydraulic control box (6) is connected with a ground moving hydraulic power station, and the ground moving hydraulic power station provides a hydraulic power source for the dredging vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310604096.1A CN116677066A (en) | 2023-05-26 | 2023-05-26 | Pipeline dredging method for trenchless large underground pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310604096.1A CN116677066A (en) | 2023-05-26 | 2023-05-26 | Pipeline dredging method for trenchless large underground pipe network |
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| Publication Number | Publication Date |
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| CN116677066A true CN116677066A (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310604096.1A Pending CN116677066A (en) | 2023-05-26 | 2023-05-26 | Pipeline dredging method for trenchless large underground pipe network |
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| CN (1) | CN116677066A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100936089B1 (en) * | 2009-02-02 | 2010-01-12 | 김원태 | Sludge disposal method and apparatus for seperating sludge and water from underwater-sediment |
| CN105173767A (en) * | 2015-11-01 | 2015-12-23 | 钟鹏程 | Hydraulic slag remover shovel plate device with star wheel loading structure |
| CN212078057U (en) * | 2020-04-26 | 2020-12-04 | 陈超 | Sediment removal device is used in hydraulic engineering construction |
| CN112302084A (en) * | 2020-11-04 | 2021-02-02 | 青田合页环保科技有限公司 | Underwater sludge cleaning equipment |
| CN213805792U (en) * | 2020-10-09 | 2021-07-27 | 宁夏大学新华学院 | Novel pipeline dredging robot |
| CN115680051A (en) * | 2022-10-21 | 2023-02-03 | 中国核电工程有限公司 | Underwater cleaning device for water pumping port of nuclear power station |
-
2023
- 2023-05-26 CN CN202310604096.1A patent/CN116677066A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100936089B1 (en) * | 2009-02-02 | 2010-01-12 | 김원태 | Sludge disposal method and apparatus for seperating sludge and water from underwater-sediment |
| CN105173767A (en) * | 2015-11-01 | 2015-12-23 | 钟鹏程 | Hydraulic slag remover shovel plate device with star wheel loading structure |
| CN212078057U (en) * | 2020-04-26 | 2020-12-04 | 陈超 | Sediment removal device is used in hydraulic engineering construction |
| CN213805792U (en) * | 2020-10-09 | 2021-07-27 | 宁夏大学新华学院 | Novel pipeline dredging robot |
| CN112302084A (en) * | 2020-11-04 | 2021-02-02 | 青田合页环保科技有限公司 | Underwater sludge cleaning equipment |
| CN115680051A (en) * | 2022-10-21 | 2023-02-03 | 中国核电工程有限公司 | Underwater cleaning device for water pumping port of nuclear power station |
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