CN116677067A - Spiral extrusion dredging vehicle for trenchless large underground pipeline - Google Patents
Spiral extrusion dredging vehicle for trenchless large underground pipeline Download PDFInfo
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- CN116677067A CN116677067A CN202310604100.4A CN202310604100A CN116677067A CN 116677067 A CN116677067 A CN 116677067A CN 202310604100 A CN202310604100 A CN 202310604100A CN 116677067 A CN116677067 A CN 116677067A
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- sludge
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- dredging
- hydraulic
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- 238000001125 extrusion Methods 0.000 title claims abstract description 100
- 239000010802 sludge Substances 0.000 claims abstract description 89
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000013049 sediment Substances 0.000 claims description 22
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 24
- 238000011084 recovery Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000011499 joint compound Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004062 sedimentation 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The application discloses a spiral extrusion dredging vehicle for a trenchless large-sized underground pipeline, which relates to the technical field of trenchless underground pipeline dredging and comprises a vehicle frame 1, a rear 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 spiral 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, the front end inclined from the rear end to the front end and the inner diameter gradually reduced from the front end, a wringing device 5 integrally connected with the spiral extrusion device 4, and a hydraulic control box 6 arranged on the vehicle frame 1. According to the application, the sludge is scooped up by the wringing device, is wringed and extruded into the spiral extrusion device from the feed inlet, water in the sludge is gradually extruded in the spiral peristaltic extrusion process, the sludge is discharged through the discharge outlet after being dehydrated or hardened gradually, and the 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 spiral extrusion dredging vehicle for a non-excavation large-scale underground 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. The market tries to solve large-scale pipeline dredging with robots or dredging vehicles, such as:
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.
How to design a proper volume, it is especially important to directly finish the sludge-water separation post-treatment in the automatic dredging process to solve the problems in the prior art.
Disclosure of Invention
The application aims to avoid the defects of the prior art and provide a spiral extrusion dredging vehicle for a trenchless large-scale underground pipeline. Compared with other power sources, the hydraulic power station can be arranged on the ground, and after a 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; aiming at a large pipeline with serious siltation, the dredging vehicle can be controlled to reciprocate for dredging for a plurality of times, so that the siltation in the pipeline is thoroughly cleared; the sludge is scooped up by the wringing device, is wringed and extruded into the screw extrusion device from the feed inlet, the water in the sludge is gradually extruded in the screw peristaltic extrusion process, and the sludge is discharged through the discharge outlet after being dehydrated or hardened gradually to directly finish the sludge-water separation post-treatment.
The above object of the present application is achieved by the following technical means:
the application discloses a non-excavation large-scale underground pipeline screw extrusion dredging vehicle, which comprises a vehicle frame 1, a rear frame 11 arranged behind the vehicle frame 1, and further comprises:
mobile device 2 arranged under frame 1: the dredging device is used for enabling the dredging vehicle to walk in the pipeline;
a double hydraulic rod 3 with one end hinged to the frame 1;
a screw press device 4 which is supported by the vehicle rear frame 11 at the rear end, supported by the vehicle frame 1 at the middle part, controlled by the double hydraulic rods 3 at the front end, inclined from the rear end to the front end, and gradually reduced in inner diameter from the front end: the device is used for conveying sludge and separating mud and water, the mud, sand and water in the sludge enter from a feed inlet 441 of a screw extrusion device 4, and then the sludge is spirally peristaltic in the screw extrusion device 4 in the process of leading out from a discharge outlet 442, as the inner diameter of the screw extrusion device is gradually reduced from the front end, the water in the sludge is gradually extruded in the process of leading the sludge to go forward, the water flows out from the feed inlet 441 through the inclined potential energy of the inner wall of the screw extrusion device 4, the dehydrated sediment is led out from the discharge outlet 442, and the mud and water separation post-treatment is directly completed in the dredging process;
and a cutter suction device 5 integrally connected with the screw extrusion device 4: the spiral extrusion device 4 is used for scooping up and wringing and extruding the sludge in the pipeline;
hydraulic control box 6 provided on frame 1: the hydraulic control device is used for hydraulically controlling the moving device 2 to move, the double hydraulic rods 3 to retract, the screw extrusion device 4 to operate and the twisting and sucking device 5 to twist.
Preferably, the driving mode of the moving device 2 at least comprises one of four-wheel hydraulic driving or double-track hydraulic driving.
Preferably, one end of the dual hydraulic rod 3 is hinged to the front side of the frame 1, and the other end of the dual 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.
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 fan blade rotating head 43 comprises a rotating head 431 and a plurality of fan blades which are regularly and obliquely arranged on the rotating head 431.
Further, the wringing device 5 includes a mud shovel 51, a mud shovel 52 is provided at the bottom of the mud shovel 51, two wringing impellers 53 are symmetrically provided on the front side of the mud shovel 52, and the two wringing impellers 53 are twisted inwards in opposite directions.
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 press device 4.
Preferably, the discharge port 442 is connected to a suction pipe, and the suction pipe is used for conveying the 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:
compared with other power sources, the hydraulic power station can be arranged on the ground, and after the dredging vehicle goes into the well, the hydraulic power station connected with the ground provides the power source for the dredging vehicle, and the dredging vehicle enters a pipeline to carry out dredging operation.
Aiming at a large pipeline with serious siltation, the dredging vehicle can be controlled to reciprocate for dredging for a plurality of times, and the siltation in the pipeline is thoroughly cleared.
The double hydraulic rods adjust the cutter suction device to leave the ground, 1) the front resistance of the dredging vehicle is reduced; 2) Fully wringing and sucking the sludge after the sludge is scooped up, extruding the sludge into a screw extrusion device, and directly dredging the sludge; 3) Residual fouling ends.
The sludge is shoveled up by the wringing and sucking device, is twisted and sucked and extruded into the spiral extrusion device from the feed inlet, and the sludge is extruded to advance in the spiral peristaltic process because the inner diameter of the spiral extrusion device is gradually reduced from the front end, and simultaneously, the technical problem of sludge-water separation post-treatment is directly solved in the dredging process: 1) In the spiral peristaltic extrusion advancing process of the spiral extrusion device, water in the sludge is gradually extruded, and the rear end of the spiral extrusion device is inclined towards the front end, so that the extruded water flows out from the feed inlet; 2) And in the process that the sludge advances through spiral peristaltic extrusion of the spiral extrusion device, the sediment is discharged through a discharge hole after being dehydrated gradually or hardened gradually.
According to the application, 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, the sludge is fully cutter-sucked after being scooped up, and the sludge is extruded into the spiral extrusion device to be directly dredging and ending residual siltation.
The sludge is scooped up, twisted and sucked by the twisting and sucking device 5, extruded and pushed to the fan blade rotating head 43, the sludge flows into the extrusion pipeline 44 from a fan blade gap between the feed inlet 441 and the fan blade rotating head 43, the sludge forms a peristaltic channel 423 spiral peristaltic motion by taking the rotary shaft 421 as an axis by combining the rotary shaft 421 and the inner walls of the spiral blade 422 with the inner walls of the extrusion pipeline 44, the sludge is extruded and moves forward as the inner diameters of the extrusion pipeline 44 and the spiral blade 422 gradually shrink from the feed inlet 441 to the discharge outlet 442, water in the sludge is gradually extruded in the spiral peristaltic extrusion and moves forward of the peristaltic channel 423, and the rear end of the spiral extrusion device is inclined to the front end and the spiral fan blade roller 42 is not completely contacted with the inner wall of the extrusion pipeline 44, and the extruded water flows out from the feed inlet along the inner wall of the extrusion pipeline 44; in the process that the sludge moves forward through the peristaltic extrusion of the peristaltic channel 423, the sediment in the sludge is gradually dehydrated or gradually hardened after the sludge is dehydrated and then discharged through the discharge hole.
In the application, the running fan blade rotating head 43 is adopted to uniformly guide the sludge into the peristaltic channel 423 so as to prevent the peristaltic channel 423 from being blocked.
The wringer device 5 of the present application provides a combination of the actions of scooping up the sludge, wringing up the sludge, and squeezing the sludge toward the feed inlet. And (3) scooping up the sludge: the double hydraulic rods are extended to enable the mud shoveling plate 52 to be attached to the inner wall of the pipeline, and the dredging vehicle shovels up mud in the forward running 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 each other to push the sludge to the feed inlet; extruding the sludge: the wringing impeller 53 squeezes the sludge into the feed inlet during wringing of the sludge, passes through the squeeze sludge into the screw extruder, and provides the screw extruder with the ability to squeeze the sludge.
According to the application, 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.
According to the application, the discharge port 442 can be connected with a suction pipe, and the suction pipe is used for conveying dehydrated sediment to the ground; the suction pipe is used for sucking the dehydrated sediment out of the sediment recovery vehicle on the ground generally through a large suction force, or a sediment recovery tank is arranged between the suction pipe and the discharge hole, and the suction pipe is used for sucking the sediment of the sediment recovery tank out of the sediment recovery vehicle on the ground without auxiliary operation of a mud-water separation vehicle.
Drawings
FIG. 1 is a schematic diagram of a front sectional structure of a dredging vehicle according to an embodiment;
FIG. 2 is a schematic diagram of a screw extrusion device of a dredging vehicle in a top-down structure according to an embodiment;
FIG. 3 is a schematic top view of an embodiment of a dredging vehicle;
FIG. 4 is a schematic left view of the dredging vehicle according to the embodiment;
fig. 5 is a schematic front view of the dredging vehicle according to the embodiment.
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;
a hydraulic control box 6; arched fan blades 7; the ground surface 71.
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.
Embodiment 1, as shown in fig. 1-5, the application discloses a spiral extrusion dredging vehicle for a trenchless large underground pipeline, which comprises a vehicle frame 1, a rear vehicle frame 11 arranged behind the vehicle frame 1, and further comprises:
mobile device 2 arranged under frame 1: the dredging device is used for enabling the dredging vehicle to walk in the pipeline;
a double hydraulic rod 3 with one end hinged to the frame 1;
a screw press device 4 which is supported by the vehicle rear frame 11 at the rear end, supported by the vehicle frame 1 at the middle part, controlled by the double hydraulic rods 3 at the front end, inclined from the rear end to the front end, and gradually reduced in inner diameter from the front end: the device is used for conveying sludge and separating mud and water, the mud, sand and water in the sludge enter from a feed inlet 441 of a screw extrusion device 4, and then the sludge is spirally peristaltic in the screw extrusion device 4 in the process of leading out from a discharge outlet 442, as the inner diameter of the screw extrusion device is gradually reduced from the front end, the water in the sludge is gradually extruded in the process of leading the sludge to go forward, the water flows out from the feed inlet 441 through the inclined potential energy of the inner wall of the screw extrusion device 4, the dehydrated sediment is led out from the discharge outlet 442, and the mud and water separation post-treatment is directly completed in the dredging process;
and a cutter suction device 5 integrally connected with the screw extrusion device 4: the spiral extrusion device 4 is used for scooping up and wringing and extruding the sludge in the pipeline;
hydraulic control box 6 provided on frame 1: the hydraulic control device is used for hydraulically controlling the moving device 2 to move, the double hydraulic rods 3 to retract, the screw extrusion device 4 to operate and the twisting and sucking device 5 to twist.
Firstly, the hydraulic power is adopted to control the moving device to move, the double hydraulic rods are contracted, 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, and after the dredging vehicle goes into the well, the hydraulic power station connected with the ground provides the power source for the dredging vehicle, and the dredging vehicle enters the pipeline to carry out dredging operation.
Secondly, aiming at a large pipeline with serious sedimentation, the dredging vehicle can be controlled to reciprocate for dredging for a plurality of times, and the sedimentation in the pipeline is thoroughly cleared.
Furthermore, the double hydraulic rods adjust the cutter suction device to leave the ground, 1) the front resistance of the dredging vehicle is reduced; 2) Fully wringing and sucking the sludge after the sludge is scooped up, extruding the sludge into a screw extrusion device, and directly dredging the sludge; 3) Residual fouling ends.
Finally, the sludge is scooped up by the wringing device, is wringed and extruded to enter the spiral extrusion device from the feed inlet, and the sludge is extruded to advance as the inner diameter of the spiral extrusion device is gradually reduced from the front end in the spiral peristaltic process, so that the technical problem of sludge-water separation post-treatment is directly solved in the dredging process:
1) In the spiral peristaltic extrusion advancing process of the spiral extrusion device, water in the sludge is gradually extruded, and the rear end of the spiral extrusion device is inclined towards the front end, so that the extruded water flows out from the feed inlet;
2) And in the process that the sludge advances through spiral peristaltic extrusion of the spiral extrusion device, the sediment is discharged through a discharge hole after being dehydrated gradually or hardened gradually.
In embodiment 2, based on embodiment 1, as shown in fig. 1, the driving mode of the moving device 2 at least includes one of four-wheel hydraulic driving or double-track hydraulic driving, and the double-track hydraulic driving mode is recommended, so that the moving device is easy to pass through a pit or cross an obstacle, and is suitable for use in a flow scene of a large pipeline.
In embodiment 3, based on embodiment 1, as shown in fig. 1 and fig. 4, one end of the dual hydraulic rod 3 is hinged to the front side of the frame 1, and the other end of the dual hydraulic rod is movably connected to two sides of the screw extrusion device 4, so as to control the lifting of the screw extrusion device 4 and drive the lifting of the cutter suction device 5. For example, the double hydraulic rods retract, the spiral extrusion device is controlled to be lifted, so that the cutter suction device is lifted off the ground, the front resistance of the dredging vehicle can be reduced, the sludge is fully cutter-sucked after being scooped up, and the sludge is extruded into the spiral extrusion device to be directly dredging and residual siltation ending.
Embodiment 4, this embodiment is based on embodiment 1, as shown in fig. 1-5, 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 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.
The sludge is scooped up, twisted and sucked by the twisting and sucking device 5, extruded and pushed to the fan blade rotating head 43, the sludge flows into the extrusion pipeline 44 from a fan blade gap between the feed inlet 441 and the fan blade rotating head 43, the sludge forms a peristaltic channel 423 spiral peristaltic motion by taking the rotary shaft 421 as an axis by combining the rotary shaft 421 and the inner walls of the spiral blade 422 with the inner walls of the extrusion pipeline 44, the sludge is extruded and moves forward as the inner diameters of the extrusion pipeline 44 and the spiral blade 422 gradually shrink from the feed inlet 441 to the discharge outlet 442, water in the sludge is gradually extruded in the spiral peristaltic extrusion and moves forward of the peristaltic channel 423, and the rear end of the spiral extrusion device is inclined to the front end and the spiral fan blade roller 42 is not completely contacted with the inner wall of the extrusion pipeline 44, and the extruded water flows out from the feed inlet along 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.
In embodiment 5, the present embodiment is based on embodiment 4, as shown in fig. 1 and 4, the fan blade rotating head 43 includes a rotating head 431 and a plurality of fan blades regularly and obliquely arranged on the rotating head 431, and the rotating blade rotating head 43 is used for uniformly guiding sludge into the peristaltic channel 423 to prevent the peristaltic channel 423 from being blocked.
In embodiment 6, the present embodiment is based on embodiment 1, as shown in fig. 1 and 4, the wringing device 5 includes a mud shovel 51, a mud shovel 52 is disposed at the bottom of the mud shovel 51, two wringing impellers 53 are symmetrically disposed on the front side of the mud shovel 52, and the two wringing impellers 53 are twisted inwards in opposite directions.
The wringer device 5 of the present application provides a combination of the actions of scooping up the sludge, wringing up the sludge, and squeezing the sludge toward the feed inlet.
And (3) scooping up the sludge: the double hydraulic rods are extended to enable the mud shoveling plate 52 to be attached to the inner wall of the pipeline, and the dredging vehicle shovels up mud in the forward running 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 each other to push the sludge to the feed inlet;
extruding the sludge: the wringing impeller 53 squeezes the sludge into the feed inlet during wringing of the sludge, passes through the squeeze sludge into the screw extruder, and provides the screw extruder with the ability to squeeze the sludge.
In embodiment 7, the present embodiment is based on embodiment 6, as shown in fig. 4, the suction 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.
In embodiment 8, the present embodiment is based on embodiment 5 or 7, as shown in fig. 4, the fan blade is an arch fan blade 7, one surface of the arch fan blade 7 is a ground breaking surface 71, and the ground breaking surface 71 is beneficial to stirring sludge and reducing twisting resistance.
In example 9, this example is based on example 1, and as shown in fig. 1 and 5, the rear frame 11 is provided with a frame groove 111, and the frame groove 111 supports the rear end of the screw press device 4.
Embodiment 10, which is based on embodiment 4, the discharge port 442 is connected to a suction pipe (not shown in the figure) for conveying the dehydrated sediment to the ground; the suction pipe is generally used for sucking the dehydrated sediment out of the sediment recovery vehicle on the ground through a large suction force, or a sediment recovery tank (not shown in the figure) is arranged between the suction pipe and the discharge hole, and the suction pipe is used for sucking the sediment in the sediment recovery tank out of the sediment recovery vehicle (not shown in the figure).
The hydraulic control box 6 is connected with a ground moving hydraulic power station (not shown in the figure), and the ground moving hydraulic power station provides a hydraulic power source for the dredging vehicle. The hydraulic control box 6 is connected with a ground mobile hydraulic power station through an oil pipe (not shown in the figure), a power supply and a signal wire (not shown in the figure).
In embodiment 11, on the basis of embodiment 10, more than one camera (not shown in the figure) may be provided on the dredging vehicle, and the camera 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. The utility model provides a large-scale underground pipe screw extrusion desilting car of non-excavation, includes frame (1) and locates behind frame (1) car back frame (11), its characterized in that still includes:
and a moving device (2) arranged under the frame (1): the dredging device is used for enabling the dredging vehicle to walk in the pipeline;
a double hydraulic rod (3) with one end hinged to the frame (1);
a cutter suction device (5) integrally connected with the screw extrusion device (4): the device is used for scooping up and wringing up the sludge in the pipeline and extruding the sludge into a screw extrusion device (4);
and a hydraulic control box (6) arranged on the frame (1): the hydraulic control device 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 twisting and sucking device (5) to twist;
a screw extrusion 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 rods (3), the inner diameter inclined from the rear end to the front end and gradually reduced from the front end: the device is used for sludge conveying and mud-water separation.
2. Dredging vehicle as in claim 1, characterized in that the drive means of the mobile device (2) comprise at least one of four-wheel hydraulic drive or double track hydraulic drive.
3. The dredging vehicle as recited in claim 1, 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) together.
4. Dredging vehicle according to claim 1, 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. The dredging vehicle as recited in claim 4, wherein the blade rotor (43) comprises a rotor (431) and a plurality of blades disposed at regular angles to the rotor (431).
6. Dredging vehicle as in claim 1, characterized in that the wringing device (5) comprises a mud shovel (51), the bottom of the mud shovel (51) is provided with a shovel plate (52), two wringing impellers (53) are symmetrically arranged on the front side of the shovel plate (52) left and right, and the two wringing impellers (53) are twisted inwards in opposite directions.
7. The dredging vehicle as recited in claim 6, 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).
8. Dredging vehicle according to claim 5 or 7, characterized in, that the blades are arched blades (7), one side of the arched blades (7) being a ground breaking surface (71).
9. Dredging vehicle according to claim 1, characterized in that the rear frame (11) is provided with a frame groove (111), which frame groove (111) frames the rear end of the screw extrusion device (4).
10. The dredging vehicle as claimed in claim 4, wherein,
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 |
|---|---|---|---|
| CN202310604100.4A CN116677067A (en) | 2023-05-26 | 2023-05-26 | Spiral extrusion dredging vehicle for trenchless large underground pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310604100.4A CN116677067A (en) | 2023-05-26 | 2023-05-26 | Spiral extrusion dredging vehicle for trenchless large underground pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN116677067A true CN116677067A (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310604100.4A Pending CN116677067A (en) | 2023-05-26 | 2023-05-26 | Spiral extrusion dredging vehicle for trenchless large underground pipeline |
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| CN (1) | CN116677067A (en) |
Citations (6)
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|---|---|---|---|---|
| EP2746463A1 (en) * | 2012-12-18 | 2014-06-25 | Baggerwerken Decloedt en Zoon | Apparatus, dredging device and method for transporting material taken up in a liquid |
| CN104963371A (en) * | 2015-06-10 | 2015-10-07 | 河南工业大学 | Sludge removing device |
| CN109440851A (en) * | 2018-11-20 | 2019-03-08 | 大连德联科技有限公司 | A kind of soil twists the application method of suction unmanned vehicle |
| 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 |
| CN217679351U (en) * | 2022-06-20 | 2022-10-28 | 福建健水工程有限公司 | Hydraulic ecological engineering desilting device |
-
2023
- 2023-05-26 CN CN202310604100.4A patent/CN116677067A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2746463A1 (en) * | 2012-12-18 | 2014-06-25 | Baggerwerken Decloedt en Zoon | Apparatus, dredging device and method for transporting material taken up in a liquid |
| CN104963371A (en) * | 2015-06-10 | 2015-10-07 | 河南工业大学 | Sludge removing device |
| CN109440851A (en) * | 2018-11-20 | 2019-03-08 | 大连德联科技有限公司 | A kind of soil twists the application method of suction unmanned vehicle |
| 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 |
| CN217679351U (en) * | 2022-06-20 | 2022-10-28 | 福建健水工程有限公司 | Hydraulic ecological engineering desilting device |
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