CN110700396A - Pipeline deposit crushing dredging and dredging device - Google Patents
Pipeline deposit crushing dredging and dredging device Download PDFInfo
- Publication number
- CN110700396A CN110700396A CN201910989489.2A CN201910989489A CN110700396A CN 110700396 A CN110700396 A CN 110700396A CN 201910989489 A CN201910989489 A CN 201910989489A CN 110700396 A CN110700396 A CN 110700396A
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- chain
- sludge
- pipeline
- dredging
- drainage pipeline
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/002—Cleaning sewer pipes by mechanical means
- E03F9/005—Apparatus for simultaneously pushing and rotating a cleaning device carried by the leading end of a cable or an assembly of rods
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/007—Devices providing a flushing surge
Abstract
The invention provides a pipeline sediment crushing dredging and dredging device, wherein chain type guide rails are arranged in an inspection well and a drainage pipeline, a crushing and washing unit is fixed on a suspension type support, the crushing and washing unit comprises a sludge crusher and a high-pressure washing gun which are controlled by a water and power supply unit to operate, the suspension type support is suspended on the chain type guide rails, the chain type guide rails move in the inspection well and the drainage pipeline, and sludge is crushed and washed out by the crushing and washing unit through a sludge pumping and collecting vehicle on the ground outside the inspection well. The invention fully utilizes the inner spaces of the inspection well and the drainage pipeline, realizes the transportation and the arrangement of the suspension type bracket in the drainage pipeline through the exquisite design of the chain type guide rail, and effectively crushes and removes the sludge in the drainage pipeline through the mutual matching of the sludge crusher, the high-pressure washing gun and the sludge pumping and collecting vehicle. Compared with the prior art, the invention has the outstanding characteristics of strong applicability, easy implementation, various functions, flexible operation, obvious effect and the like.
Description
Technical Field
The invention belongs to the technical field of municipal drainage, and particularly relates to a pipeline sediment crushing, dredging and dredging device.
Background
The drainage pipeline is an engineering facility for collecting and conveying urban domestic sewage, industrial wastewater and rainwater. In recent years, with the acceleration of the urbanization process of China, the number and scale of the construction of drainage pipelines are increased year by year. Such as: in the thirteen-five period, the offshore city has the matched drainage pipeline of about 100 km in the central urban area and the newly-built drainage pipeline of about 310 km in the suburban area on the basis of the drainage pipeline with the total built length of about 9530 km. Increasingly perfect drainage pipeline systems provide convenience for conveying various sewage and rainwater in cities and towns, however, along with the gradual bulkiness of the drainage pipeline systems, the problems of water pollution, secondary disasters and the like of drainage pipelines are gradually obvious.
Taking a split-flow rainwater pipeline as an example, under the background of repeated rain and sewage mixing, random drainage of car-washing gear sewage and large amount of initial rain water surface source pollution, the rainwater pipeline becomes a collection place of a plurality of sewages, and the sewages are drained into rivers and lakes when being released into rivers in rainy days, thereby causing huge impact on water environment. For a split-flow sewage pipeline, the content of suspended particles in the sewage conveyed by the split-flow sewage pipeline is high, and sludge is easy to precipitate in a form in a pipe section with a large pipe diameter and a slow flow speed, so that the pipeline is blocked. For the combined drainage pipeline, the flow velocity of sewage in the pipeline with larger pipe diameter is slower in dry days, and suspended particles in the sewage are easy to precipitate to form sludge; in rainy days, due to the fact that the water quantity is increased sharply, sludge in the pipeline is flushed out, and therefore the problems of black and odorous rivers and lakes are frequently caused.
At present, aiming at the situation that dredging of a drainage pipeline is only limited to the situation of small pipe diameter, methods such as a high-pressure washing gun, manual traction or push-pull and the like are generally adopted to clean particles and sludge in the drainage pipeline out of the pipeline or push the particles and sludge to the pipeline with larger pipe diameter. However, no effective desilting and deslagging technology exists for the drainage pipeline with a large pipe diameter.
In addition, when the high-pressure washing gun is used for washing the sludge in the drainage pipeline, the washing effect is weakened due to the existence of components with larger particle size and harder texture in the sludge, and the washed sludge damages the pumping equipment due to the existence of hard components. Therefore, if the sludge in the drainage pipeline can be damaged before dredging, the flushing efficiency of the high-pressure flushing gun can be effectively improved, and the damage of a suction pump in the sludge pumping and collecting vehicle can be effectively avoided.
Therefore, the market is in need of a novel dredging technology capable of breaking hard components in drainage pipeline sludge.
Disclosure of Invention
The invention aims to provide a pipeline sediment crushing dredging and dredging device, which can fully utilize the internal space of a drainage pipeline by implementing proper engineering transformation on the drainage pipeline and an inspection well, convey a sludge crusher and a high-pressure flushing gun to the inside of the drainage pipeline through the design of a chain type guide rail and a suspension type bracket, and timely clear flushed sludge on the ground outside a detection well through a sludge pumping and collecting vehicle, thereby realizing the dredging and dredging of the drainage pipeline.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the pipeline deposit crushing dredging and dredging device is characterized in that
Install chain formula guide rail in inspection shaft and drainage pipe, will break up the silt flushing unit and be fixed in the suspension type support, the garrulous silt flushing unit includes silt breaker and high pressure washing gun, and the suspension type support hangs in chain formula guide rail, follows the chain formula guide rail removes in inspection shaft and drainage pipe, and silt collection car is taken out in the ground setting outside the inspection shaft for the silt that the garrulous silt flushing unit of clearance was broken and was washed out.
Further, chain formula guide rail includes bearing frame, bearing frame installs drive sprocket, driven pulley and rather than the complex chain, drive sprocket and driven pulley's wheel face all is located the coplanar with drainage pipe's axis, the motor with drive sprocket links to each other for it is rotatory to drive sprocket, and the race is established to driven pulley, the race interlock of the sprocket of chain and drive sprocket, the outside of chain then with driven pulley's race block.
Furthermore, the bearing frame and the side wall of the inspection well are provided with fixing nodes, the fixing nodes are the connecting points of the bearing frame and the side wall of the inspection well, and the connecting mode is welding, bonding or expansion screw fixing; the bottom of the bearing frame is provided with a frame base, the frame base is arranged at the bottom of the inspection well, and the bottom surface of the frame base is matched with the bottom surface of the inspection well.
Further, the driving chain wheel is positioned at the top of the bearing frame, and the driven pulley is positioned at the bottom of the bearing frame; the pitch of the driving chain wheel is 10-15cm, and the tooth thickness is 7-9 cm; the width of a wheel groove of the driven pulley is 5-8 cm, and the depth of the wheel groove is 6-10 cm; the wheel surfaces of the driving chain wheel and the driven pulley and the axis of the drainage pipeline are located on the same plane.
Further, the suspension type support includes screen panel, telescopic link and the couple of being connected with the telescopic link, the couple passes the round pin axle of chain in the chain formula guide rail, thereby will the suspension type support with the chain links to each other, installation silt breaker and high pressure wash the rifle in the screen panel to make the high pressure wash the sewage flow direction the same in the spray direction of rifle and the drainage pipe, make the silt breaker be located simultaneously the low reaches that the rifle was washed to the high pressure.
Further, the sludge pumping and collecting vehicle comprises a sludge storage tank, a suction pump and a sludge pumping pipe, wherein the sludge pumping pipe is placed at the bottom of the inspection well at the downstream of the sludge crusher.
Furthermore, the number of the hooks is 2 or more, so that the axial displacement of the suspension type support in the drainage pipeline is limited.
Furthermore, the upper part of the hook is a hook-shaped object, the lower part of the hook is a connecting rod connected with the net cover, and the connecting rod needs to have a certain length so that the suspension type support can smoothly pass through a right-angle bend when moving along with the chain.
Further, the suspension type support is including the two side telescopic links that are located the both sides of screen panel, the elasticity telescopic link that two side telescopic link were terminal to have the universal wheel, flexible direction with drainage pipe's axis is perpendicular, is used for the restriction the lateral displacement of suspension type support in drainage pipe.
Further, the high pressure washing gun is built in with one or more nozzles that accelerate the water velocity by limiting the water flow area.
Further, the chain type guide rail is installed in one of the following two ways:
firstly, the bearing frame, the fixed nodes, the frame base, the driving chain wheel and the driven pulley are all arranged in an inspection well, so that the chain is in a double-strand U-shaped structure;
and secondly, a part of the bearing frame and the driving chain wheel are arranged above the inspection well, and the fixed node, the frame base and the driven pulley are arranged in the inspection well, so that the chain is in a single-strand mouth-shaped structure.
The invention fully utilizes the inner spaces of the inspection well and the drainage pipeline, realizes the transportation and the arrangement of the suspension type bracket in the drainage pipeline through the exquisite design of the chain type guide rail, and effectively crushes and removes the sludge in the drainage pipeline through the mutual matching of the sludge crusher, the high-pressure washing gun and the sludge pumping and collecting vehicle. Compared with the prior art, the invention has the outstanding characteristics of strong applicability, easy implementation, various functions, flexible operation, obvious effect and the like.
Compared with the prior art in the same field, the invention has the remarkable characteristics that:
1. high applicability
The system aims at the dredging problem of the drainage pipeline, and can adapt to drainage pipelines with different forms and pipe diameters through the reasonable layout of the chain type guide rail, the suspension type support, the sludge crusher, the high-pressure washing gun and the sludge pumping and collecting vehicle.
2. Is easy to implement
The existing space of the inspection well and the drainage pipeline is fully utilized to carry out simple transformation, the engineering measures are less, the investment scale is small, and the implementation and the popularization are easy.
3. The operation is flexible:
through the design of chain formula guide rail and suspension type support, can conveniently realize transporting silt breaker and high pressure washing gun from inspection shaft upper direction drainage pipe inside when the system starts to and transport it outside the inspection shaft when overhauing.
4. Multiple functions
Through the mutual cooperation of silt breaker, high pressure washing rifle and take out silt collection mud car, collect functions in an organic whole such as silt is broken, is stirred, is washed and is taken out to realize multi-functional, all-round drainage pipe desilting mediation.
5. The effect is obvious
The components with larger grain diameter and harder texture in the sludge of the drainage pipeline are firstly crushed, so that the flushing efficiency of the high-pressure flushing gun is effectively improved, and the damage to a suction pump in a sludge pumping and collecting vehicle is effectively avoided.
Drawings
Fig. 1 is a front view of the pipeline sediment crushing dredging and dredging device (the chain type guide rail is arranged according to a U-shaped structure).
Fig. 2 is a front view of the pipeline sediment crushing dredging and dredging device (the chain type guide rail is arranged according to a mouth-shaped structure).
Fig. 3 is a front view of the chain track of the system of the present invention (the chain track is mounted in a "U" configuration).
Fig. 4 is a front view of the chain track of the system of the present invention (the chain track is mounted in a "slotted" configuration).
Fig. 5 is a front view of a suspended support with a sludge breaker nested therein in the system of the present invention.
Fig. 6 is a side view of fig. 5.
Fig. 7 is a front view of a hanging bracket of the system of the present invention with a high pressure flush gun nested therein.
Fig. 8 is a side view of fig. 7.
The numbering in the figures means:
1-chain type guide rail, 11-supporting frame, 12-fixed node, 13-frame base, 14-driving chain wheel, 15-driven pulley, 16-chain, 17-motor;
2-a hanging type support, 21-a hook, 22-a telescopic rod, 23-a net cover and 24-a lateral telescopic rod;
3-a silt crushing and washing unit, 31-a silt crusher and 32-a high-pressure washing gun;
4-a water supply and power supply unit;
5-pumping sludge collecting vehicle;
6, inspection of the well;
7-sewage;
8-a drainage pipeline;
9-the ground.
Detailed Description
The invention is further described in detail with reference to the following specific examples and the accompanying drawings. The procedures, conditions, experimental methods and the like for carrying out the present invention are general knowledge and common general knowledge in the art except for the contents specifically mentioned below, and the present invention is not particularly limited.
As shown in figures 1 and 2, the pipeline sediment crushing dredging and dredging device is characterized in that
Install chain formula guide rail 1 in inspection shaft 6 and drainage pipe 8, will break up silt washing unit 3 and be fixed in suspension type support 2, break up silt washing unit 3 includes silt breaker 31 and high pressure washing gun 32, and suspension type support 2 hangs in chain formula guide rail 1, follows chain formula guide rail 1 removes in inspection shaft and drainage pipe, and the ground setting outside the inspection shaft is taken out silt collection vehicle 5 for the silt that the broken silt washing unit 3 of transport was broken and was washed out. The water supply and power supply unit 4 supplies power to the silt crushing and washing unit 3 and is used for controlling the silt crushing and washing unit 3 to work.
As shown in the figure, two suspension type supports 2 are arranged on the chain type guide rail 1, one suspension type support is provided with a sludge crusher 31, the other suspension type support is provided with a high-pressure washing gun 32, the spraying direction of the high-pressure washing gun 32 is the same as the sewage flow direction in the drainage pipeline, and meanwhile, the sludge crusher 31 is positioned at the downstream of the high-pressure washing gun 32. The sludge pumping and collecting vehicle 5 comprises a sludge storage tank, a suction pump and a sludge pumping pipe, wherein the sludge pumping pipe is arranged at the bottom of the inspection well at the downstream of the sludge crusher 31.
As shown in fig. 3 and 4, the chain type guide rail includes a supporting frame 11, the supporting frame 11 is provided with a driving sprocket 14, a driven pulley 15 and a chain 16 matched with the driving sprocket 14, the wheel faces of the driving sprocket 14 and the driven pulley 15 are both located on the same plane with the axis of the drainage pipeline 8, a motor 17 is connected with the driving sprocket 14 and used for driving the driving sprocket 14 to rotate so as to drive the chain 16 to move, the driven pulley 15 is provided with a wheel groove, the wheel groove of the chain 16 is engaged with the wheel tooth of the driving sprocket 14, and the outer side of the chain 16 is engaged with the wheel groove of the driven pulley 15. The supporting frame and the side wall of the inspection well are provided with fixed nodes 12, the fixed nodes 12 are the connection points of the supporting frame and the side wall of the inspection well, and the connection mode is welding, bonding or expansion screw fixation; the bottom of the bearing frame 11 is provided with a frame base 13, the frame base 13 is arranged at the bottom of the inspection well, and the bottom surface of the frame base 13 is matched with the bottom surface of the inspection well. The driving chain wheel 14 is positioned at the top of the supporting frame 11, and the driven pulley 15 is positioned at the bottom of the supporting frame 11; the pitch of the driving chain wheel 14 is 10-15cm, and the tooth thickness is 7-9 cm; the width of the wheel groove of the driven pulley 15 is 5-8 cm, and the depth of the wheel groove is 6-10 cm; the wheel surfaces of the driving chain wheel 14 and the driven pulley 15 are positioned on the same plane with the axis of the drainage pipeline 8.
The chain type guide rail has two mounting modes:
first, as shown in fig. 3, the supporting frame 11, the fixing node 12, the frame base 13, the driving sprocket 14, and the driven pulley 15 are all installed in the inspection shaft 6, so that the chain 16 has a double-strand U-shaped structure;
second, as shown in fig. 4, a part of the support frame and the driving sprocket are installed above the manhole 6, and the fixing nodes 12, the frame base 13, and the driven pulleys 15 are installed in the manhole, so that the chain 16 has a single-strand mouth structure.
As shown in fig. 5 and 6, the hanging bracket 2 includes a mesh cover 23, an expansion link 22 connected to the mesh cover 23, and a hook 21 connected to the expansion link 22, the hook 21 passes through a pin of a chain in the chain-type guide rail, so as to connect the hanging bracket to the chain, and a sludge crusher 31 is installed in the mesh cover. Two-side telescopic rods 22 are arranged on two sides of the mesh enclosure, the two-side telescopic rods 22 are elastic telescopic rods with universal wheels at the tail ends, and the telescopic directions are perpendicular to the axis of the drainage pipeline 8 and used for limiting the lateral displacement of the suspension type support 2 in the drainage pipeline 8. The number of the hooks is 2 or more, so as to limit the axial displacement of the suspension type support 2 in the drainage pipeline 8; the extension rod 22 has to be of a certain length so that the suspension bracket 2 can smoothly pass through a right-angled bend when moving along with the chain.
As shown in fig. 6 and 7, the suspension bracket 2 includes a mesh enclosure 23, an expansion link 22 connected to the mesh enclosure 23, and a hook 21 connected to the expansion link 22, the hook 21 passes through a pin of a chain in the chain-type guide rail, so as to connect the suspension bracket to the chain, and a high-pressure washing gun 32 is installed in the mesh enclosure. Two-side telescopic rods are arranged on two sides of the mesh enclosure, the two-side telescopic rods 22 are elastic telescopic rods with universal wheels at the tail ends, and the telescopic directions are perpendicular to the axis of the drainage pipeline 8 and used for limiting the lateral displacement of the suspension type support 2 in the drainage pipeline 8. The number of the hooks is 2 or more, so as to limit the axial displacement of the suspension type support 2 in the drainage pipeline 8; the extension rod 22 has to be of a certain length so that the suspension bracket 2 can smoothly pass through a right-angled bend when moving along with the chain.
The application method of the pipeline sediment crushing dredging and dredging device is characterized by comprising the following steps
Stage of installation
The method comprises the following steps: emptying the sewage 7 in the drainage pipeline 8 in advance so that an operator can conveniently enter an inspection well for operation;
step two: a chain type guide rail 1 is arranged in the inspection well, and the chain type guide rail 1 comprises a driving chain wheel, a driven pulley and a chain matched with the driving chain wheel and the driven pulley;
step three: fixing 2 suspension type supports on the chain, wherein each suspension type support comprises a mesh enclosure 23, an expansion rod 22 and a hook 21 connected with the expansion rod;
step four: the length of the telescopic rod 22 of the suspension bracket is adjusted according to the pipe diameter and the water level of the drainage pipeline, the suspension bracket 2 is fixed on the chain of the chain type guide rail 1, and meanwhile, the sludge crusher 31 and the high-pressure washing gun 32 are arranged in the mesh cover 23 of the suspension bracket 2, so that the spraying direction of the high-pressure washing gun 32 is the same as the flow direction of the sewage 7 in the drainage pipeline 8, and meanwhile, the sludge crusher 31 is positioned at the downstream of the high-pressure washing gun 32;
step five: the motor 17 drives the driving chain wheel 14 to rotate, and then the chain 15 is driven, so that the suspension type bracket 2 provided with the sludge crusher 32 and the high-pressure washing gun 31 is conveyed to the inside of the drainage pipeline 8;
step six: the sludge pumping and collecting vehicle 5 is positioned on the ground outside the inspection well 6;
step seven: the drainage pipeline 8 normally enters water;
and (3) an operation stage:
the method comprises the following steps: starting the water supply and power supply unit 4 to enable the sludge crusher 31 and the high-pressure washing gun 32 to start to operate;
step two: the sludge crusher 31 firstly damages components with larger particle size and harder texture in the sludge of the drainage pipeline 8 and stirs the sludge, then the high-pressure flushing gun 32 positioned at the upstream of the drainage pipeline 8 flushes the sludge damaged and stirred by the sludge crusher 31 into the inspection well 6 at the downstream, and simultaneously the sludge-collecting truck pumps the flushed sludge into the sludge-collecting tank in time through the sludge pumping pipe and the suction pump arranged at the bottom of the inspection well 6 at the downstream.
And (3) maintenance stage:
the method comprises the following steps: the driving chain wheel 14 is reversely rotated by the motor 17, so that a high-pressure washing gun 32 and a sludge crusher 31 which need to be overhauled are conveyed out to the top of the inspection well 6 along with the chain;
step two: the high-pressure washing gun 32 and the sludge crusher 31 are detached from the suspension type bracket 2, and are overhauled and cleaned;
step three: the high-pressure washing gun 32 and the sludge crusher 31 are fixed on the suspension bracket again, and the driving chain wheel 14 is rotated by the motor 17, so that the overhauled high-pressure washing gun 32 is conveyed into the drainage pipeline 6 along with the chain, and the water supply and power supply unit 4 is restarted.
In the operation stage, the chain 16 can be driven by the motor 17, so that the sludge crusher 31 and the high-pressure washing gun 32 can crush and wash the sludge while moving in the mobile inspection well 6.
The practical results according to the embodiment of the present example show that the pipe section can effectively remove the deposited sludge after the system is continuously operated for 4 hours, and the sludge removal rate reaches 83.6%.
The protection of the present invention is not limited to the above embodiments. Variations and advantages that may occur to those skilled in the art may be incorporated into the invention without departing from the spirit and scope of the inventive concept, and the scope of the appended claims is intended to be protected.
Claims (9)
1. The pipeline deposit crushing dredging and dredging device is characterized in that
Install chain formula guide rail in inspection shaft and drainage pipe, will break up the silt flushing unit and be fixed in the suspension type support, the garrulous silt flushing unit includes silt breaker and high pressure washing gun, and the suspension type support hangs in chain formula guide rail, follows the chain formula guide rail removes in inspection shaft and drainage pipe, and silt collection car is taken out in the ground setting outside the inspection shaft for the silt that the garrulous silt flushing unit of clearance was broken and was washed out.
2. A pipeline deposit crushing dredging and dredging device as claimed in claim 1, wherein the chain type guide rail comprises a supporting frame, the supporting frame is provided with a driving chain wheel, a driven pulley and a chain matched with the driving chain wheel, a motor is connected with the driving chain wheel and used for driving the driving chain wheel to rotate so as to drive the chain to move, the driven pulley is provided with a wheel groove, the chain groove of the chain is meshed with the wheel teeth of the driving chain wheel, and the outer side of the chain is clamped with the wheel groove of the driven pulley.
3. A pipeline sediment fragmentation, dredging and dredging device as claimed in claim 2, wherein the drive sprocket is located at the top of the bolster frame and the driven pulley is located at the bottom of the bolster frame; the pitch of the driving chain wheel is 10-15cm, and the tooth thickness is 7-9 cm; the width of a wheel groove of the driven pulley is 5-8 cm, and the depth of the wheel groove is 6-10 cm; the wheel surfaces of the driving chain wheel and the driven pulley and the axis of the drainage pipeline are located on the same plane.
4. A pipeline deposit crushing dredging and dredging device as claimed in claim 1, wherein the hanging bracket comprises a mesh enclosure, a telescopic rod and a hook connected with the telescopic rod, the hook passes through a pin shaft of a chain in the chain type guide rail so as to connect the hanging bracket with the chain, a sludge crusher and a high pressure washing gun are installed in the mesh enclosure, the spraying direction of the high pressure washing gun is the same as the sewage flow in the drainage pipeline, and the sludge crusher is positioned at the downstream of the high pressure washing gun.
5. A pipeline sediment breaking dredging and dredging device as claimed in claim 4, wherein the sludge pumping and collecting vehicle comprises a sludge storage tank, a suction pump and a sludge pumping pipe, and the sludge pumping pipe is placed at the bottom of the inspection well downstream of the sludge breaker.
6. A pipeline deposit breaking and dredging device as claimed in claim 4, wherein the number of hooks is 2 or more to limit the axial displacement of the hanging bracket in the drain pipeline.
7. A pipeline deposit breaking and dredging device as claimed in claim 4, wherein the upper part of the hook is a hook-shaped object, the lower part of the hook is a connecting rod connected with the net cover, and the connecting rod has a certain length so that the suspension type bracket can smoothly pass through a right-angled bend when moving along with the chain.
8. A pipeline deposit breaking and dredging device as claimed in claim 4, wherein the hanging bracket comprises two-sided telescopic rods on both sides of the mesh enclosure, the two-sided telescopic rods are elastic telescopic rods with universal wheels at the ends, the telescopic direction is perpendicular to the axis of the drainage pipeline, and the two-sided telescopic rods are used for limiting the lateral displacement of the hanging bracket in the drainage pipeline.
9. A pipeline sediment fragmentation, dredging and dredging device as claimed in claim 4, wherein the high pressure flushing gun incorporates one or more nozzles which accelerate the velocity of the water by restricting the flow area of the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989489.2A CN110700396A (en) | 2019-10-17 | 2019-10-17 | Pipeline deposit crushing dredging and dredging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989489.2A CN110700396A (en) | 2019-10-17 | 2019-10-17 | Pipeline deposit crushing dredging and dredging device |
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| CN110700396A true CN110700396A (en) | 2020-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705901A (en) * | 2020-07-09 | 2020-09-25 | 广东诚浩工程项目管理有限公司 | Sewer drainage structures for municipal works |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705901A (en) * | 2020-07-09 | 2020-09-25 | 广东诚浩工程项目管理有限公司 | Sewer drainage structures for municipal works |
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