CN110847339A - Directional dredging device for drainage pipeline - Google Patents
Directional dredging device for drainage pipeline Download PDFInfo
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- CN110847339A CN110847339A CN201911174897.9A CN201911174897A CN110847339A CN 110847339 A CN110847339 A CN 110847339A CN 201911174897 A CN201911174897 A CN 201911174897A CN 110847339 A CN110847339 A CN 110847339A
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- rod
- directional
- drainage pipeline
- drill
- dredging device
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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
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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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a directional dredging device for a drainage pipeline, and belongs to the technical field of pipeline dredging devices. The directional dredging device comprises a drill rod, and one end of the drill rod is connected with the directional drilling machine in a sliding mode. The drilling rod includes connecting rod, front end pole and rear end pole, and the inside of connecting rod is provided with the cavity that runs through the connecting rod, fixed connection and intercommunication between the adjacent connecting rod, the inside cavity open end of front end pole and rear end pole and adjacent connecting rod fixed connection to the inside cavity of front end pole and rear end pole and the inside cavity intercommunication of connecting rod. A drill bit is fixed on the outer surface of the front end head rod, a water outlet hole which is inclined towards the drill bit is formed in one end, close to the drill bit, of the front end head rod, and the water outlet hole is communicated with the water cavity. The inner cavity of the rear end rod is communicated with the high-pressure pump through a connecting pipe. The directional dredging device for the drainage pipeline with the structure can solve the problems of high dredging cost and low efficiency of the large-diameter drainage pipeline.
Description
Technical Field
The invention belongs to the technical field of pipeline dredging devices, and particularly relates to a directional dredging device for a large-diameter drainage pipeline.
Background
The urban drainage pipeline system is an indispensable important municipal infrastructure of modern cities, and is also a backbone project for urban water pollution control, urban water drainage, waterlogging drainage and flood control. The drainage pipeline system is responsible for collecting and conveying domestic sewage, industrial wastewater and atmospheric precipitation generated in urban production and life, and timely and reliably discharges the collected domestic sewage, industrial wastewater and atmospheric precipitation, so that the urban area is protected from the sewage and the wastewater, and the road surface water accumulation during rainstorm is avoided, thereby providing a safe and comfortable production and living environment for people. In addition, the urban drainage pipeline system also enables the material circulation and the energy flow of the urban ecological system to be normally carried out, thereby maintaining the ecological balance and ensuring the sustainable development of the city. However, as economies develop and urban dimensions continue to expand, the deficiencies and problems of urban drainage pipe systems continue to emerge. If the pipeline silts up and blocks up the drainage that leads to is not smooth, not only influence resident's daily life, can disturb the normal rhythm of whole city moreover in serious time, make city production life unable normal clear.
The problem of drainage pipe fouling is mostly caused by the deposition of silt and suspended solids in the pipe system. After sewage in the drainage pipeline flows into the drainage main pipe with small gradient from the drainage branch pipe with large gradient, the flow rate is reduced, and silt and suspended solids carried in the sewage are easily deposited in the main pipe with small gradient and large pipe diameter, so that the drainage pipeline is silted.
However, at present, the main municipal drainage pipeline dredging methods at home and abroad comprise a high-pressure water jet dredging method, a winch mechanical dredging method, a water flushing dredging method, a dredging machine dredging method, a dredging ball, a storage-blocking flushing door and the like. The methods are designed for dredging of small-pipe-diameter drainage pipes, the dredging efficiency of large-scale drainage pipes is not high, and when some technologies are applied to large-pipe-diameter drainage pipes, the limitations of overhigh operation cost, insufficient dredging capacity, secondary pollution, incapability of adapting to complex terrain conditions and the like exist.
Therefore, the prior art needs manual work for going into a well or other means for working, has a problem of low efficiency, and needs to research a directional dredging device for a drainage pipeline.
Disclosure of Invention
The invention aims to provide a directional dredging device for a drainage pipeline, which solves the problems of high dredging cost and low efficiency of a large-diameter drainage pipeline.
In order to achieve the aim, the invention provides a directional dredging device for a drainage pipeline, which comprises a drill rod, wherein one end of the drill rod is connected with a directional drilling machine in a sliding manner, and a drill bit is fixed at the other end of the drill rod; the drill rod comprises a plurality of connecting rods positioned in the middle, a front end rod and a rear end rod, cavities penetrating the connecting rods are arranged in the connecting rods, adjacent connecting rods are fixedly connected and communicated, cavities with blind hole structures are arranged in the front end rod and the rear end rod, the open ends of the cavities in the front end rod and the rear end rod are fixedly connected with the adjacent connecting rods, the cavities in the front end rod and the rear end rod are communicated with the cavities in the connecting rods to form a water cavity for containing high-pressure water, a drill bit is fixed on the outer surface of the front end rod, a water outlet hole inclined towards the drill bit is formed in one end, close to the drill bit, of the front end rod, and the water outlet hole is communicated with the water cavity; the inner cavity of the rear end rod is communicated with the high-pressure pump through a connecting pipe; the drill rod is positioned on the central axis of the drainage pipeline.
Furthermore, 2-3 rows of water outlet holes are formed in the front end rod, and the distance between every two rows of water outlet holes is 10-20 cm; each row comprises 3-4 water outlet holes, and the water outlet holes of each row are uniformly distributed along the cross section of the front end rod.
Furthermore, the distance between the first water outlet hole on the front end head rod and the drill bit is 10-20 cm.
Furthermore, the included angle between the water drainage hole and the central axis of the front end rod is 110-150 degrees.
Furthermore, the length of the connecting rod, the front end rod and the rear end rod is not more than the inner diameter of the drainage pipeline.
Further, the directional drilling rig is located in the manhole upstream of the blocked drainline segment.
Further, an image sensor is arranged on the drill rod.
Furthermore, a positioning and guiding mechanism is arranged at the front end of the drill rod.
The invention has the beneficial effects that:
(1) the dredging device comprises a drill rod, wherein high-pressure water is filled in the drill rod and is jetted out through a water outlet at the top of the drill rod, so that the dredging device is simple in structure and can clean sundries which are heavy in weight, large in volume and high in adhesion in the municipal drainage pipeline.
(2) The drill rod and the drill bit rotate at high speed under the action of the horizontal directional drilling machine to drive water flow disturbance in the pipeline, so that sludge deposition is avoided, and the dredging effect is improved.
(3) The dredging device is completed by a machine, so that labor force is saved, and dredging efficiency is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a directional dredging device for a drainage pipeline of the present invention.
Reference numerals
1. A directional drilling machine; 2. an inspection well; 3. a drill stem; 4. a water discharge pipeline; 5. a drill bit; 6. a drain hole; 7. a front end bar; 8. a connecting rod; 9. a rear end bar; 10. a connecting pipe; 11. a high pressure pump; 12. a water chamber.
Detailed Description
Examples
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
FIG. 1 is a schematic structural diagram of an embodiment of a directional dredging device for a drainage pipeline of the present invention. The utility model provides a directional desilting device of drainage pipe, includes drilling rod 3, and the one end of drilling rod 3 passes through slide mechanism sliding connection with miniature horizontal directional rig 1, and slide mechanism is the same with the structure on the current rig. A drill bit 5 is fixed at the other end of the drill rod 3. The horizontal directional drilling machine 1 rotates to drive the drill rod 3 and the drill bit 5 to rotate synchronously, the drill rod 3 and the drill bit 5 rotate to enable water in the drainage pipeline 4 to be stirred violently, the cleaned sludge deposition can be effectively avoided, and the dredging effect is improved.
The drill rod 3 comprises a plurality of connecting rods 8 in the middle, a front end rod 7 and a rear end rod 9. Through detachable construction connection between the connecting rod 8, for example adopt threaded connection, make things convenient for carrying and the transportation of drilling rod 3 to can adjust the length of drilling rod 3 through the quantity of adjustment connecting rod 8. The inside of connecting rod 8 is provided with the cavity that holds high pressure water, and the inside cavity of adjacent connecting rod 8 is linked together. The cavity of blind hole structure is provided with in front end pole 7 and the inside cavity open end of rear end pole 9, and the fixed connection can be dismantled through the screw thread to the inside cavity open end of front end pole 7 and rear end pole 9 and adjacent connecting rod 8. The cavities in the front end rod 7 and the rear end rod 9 are communicated with the cavity in the connecting rod 8 to form a water cavity 12 for containing high-pressure water. The drill bit 5 is detachably fixed on the outer surface of the front end head rod 7 through a screw, and the drill bit 5 is a solid drill bit 5. One end of the front end rod 7 close to the drill bit 5 is provided with a water outlet inclined towards the drill bit 5, and the water outlet is communicated with the water cavity 12. The water outlet holes are arranged in 2-3 rows, and the distance between every two rows of water outlet holes is 10-20 cm. Each row comprises 3-4 water outlet holes, and the water outlet holes of each row are uniformly distributed along the cross section of the front end rod 7. The distance between the first water discharge hole on the front end rod 7 and the drill bit 5 is 10-20cm, and the included angle between the water discharge hole 6 and the central axis of the front end rod 7 is 110-150 degrees.
The inner cavity of the rear end rod 9 is communicated with a high-pressure pump 11 through a connecting pipe 10, the high-pressure pump 11 is positioned above the inspection well 2, and a water inlet of the high-pressure pump 11 is communicated with a water outlet of the waterwheel. The water in the waterwheel is pressurized by the high-pressure pump 11, enters the water cavity 12 inside the drill rod 3 through the connecting pipe 10, and then is ejected out through the water outlet at the end of the drill rod 3 to clean sludge in the drainage pipeline 4. The sludge in the drainage pipeline 4 is soft sludge, and the requirements on the strength and the rigidity of the drill rod 3 are low, so that the connecting rod 8, the front end rod 7 and the rear end rod 9 which form the drill rod 3 are made of light materials, the pipe wall of the connecting rod 8 is not too thick, and the drill rod 3 is prevented from inclining downwards under the action of gravity. The front end of the drill rod 3 is provided with a positioning and guiding mechanism which is a probe used on the existing drill rod 3, so that the drill rod 3 and the drill bit 5 are ensured to be positioned on the central axis of the drainage pipeline 4, and the drainage pipeline 4 is prevented from being damaged by the drill bit 5.
The length of connecting rod 8, the end pole 7 in the front and the end pole 9 in the rear are not more than the inner diameter of the drainage pipeline 4, so that the drill rod 3 is convenient to disassemble. For the convenience of mass production in this embodiment, the length of the connecting rod 8, the front end rod 7 and the rear end rod 9 is 500 mm. During dredging, the directional drilling machine 1 must be placed in the inspection well 2 at the upstream of the blocked drainage pipeline 4, so that washed sludge can be drained away with water in time, and secondary blockage is avoided.
According to the needs, can also install image sensor on the drilling rod 3, image sensor transmits the condition in the pipeline to the display device on ground to the clearance condition of the inside silt of understanding pipeline that can understand.
The operation process of the drainage pipeline directional dredging device provided by the invention comprises the following steps: firstly, a miniature horizontal directional drilling machine is arranged in an inspection well at the upper stream of a blocked pipeline, a drill bit is arranged at the front end of a drill rod, then the drilling machine is started, the drill rod is drilled into sludge in a drainage pipeline, and after the drill bit penetrates through the sludge, the drilling is stopped; the high-pressure water pump is arranged above the inspection well and communicated with the water cavity inside the drilling machine through the connecting pipe, the waterwheel is connected with a water inlet of the high-pressure pump, and water enters the high-pressure pump, is pressurized by the high-pressure pump, enters the drill rod and is ejected through the inclined water outlet hole in the drill rod. And then, starting the drilling machine to drive the drill rod to rotate, and retreating the drill rod while rotating, wherein the high-pressure water flow ejected from the water outlet hole drives the sludge in the pipeline to be disturbed, so that the sludge is taken out of the pipeline. And repeating the drilling and the withdrawal processes until the sludge in the pipeline is removed completely.
Therefore, the directional dredging device for the drainage pipeline with the structure can solve the problems of high dredging cost and low efficiency of the large-diameter drainage pipeline.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a directional dredging device of drainage pipe which characterized in that: the directional drilling machine comprises a drill rod, wherein one end of the drill rod is connected with the directional drilling machine in a sliding mode, and a drill bit is fixed at the other end of the drill rod; the drill rod comprises a plurality of connecting rods positioned in the middle, a front end rod and a rear end rod, cavities penetrating the connecting rods are arranged in the connecting rods, adjacent connecting rods are fixedly connected and communicated, cavities with blind hole structures are arranged in the front end rod and the rear end rod, the open ends of the cavities in the front end rod and the rear end rod are fixedly connected with the adjacent connecting rods, the cavities in the front end rod and the rear end rod are communicated with the cavities in the connecting rods to form a water cavity for containing high-pressure water, a drill bit is fixed on the outer surface of the front end rod, a water outlet hole inclined towards the drill bit is formed in one end, close to the drill bit, of the front end rod, and the water outlet hole is communicated with the water cavity; the inner cavity of the rear end rod is communicated with the high-pressure pump through a connecting pipe; the drill rod is positioned on the central axis of the drainage pipeline.
2. The directional dredging device for drainage pipeline of claim 1, wherein: 2-3 rows of water outlet holes are formed in the front end rod, and the distance between every two rows of water outlet holes is 10-20 cm; each row comprises 3-4 water outlet holes, and the water outlet holes of each row are uniformly distributed along the cross section of the front end rod.
3. A directional dredging device for drainage pipelines according to claim 2, characterized in that: the distance between the first water outlet hole on the front end head rod and the drill bit is 10-20 cm.
4. The directional dredging device for drainage pipeline of claim 1, wherein: the included angle between the drainage hole and the central axis of the front end rod is 110-150 degrees.
5. The directional dredging device for drainage pipeline of claim 1, wherein: the length of the connecting rod, the front end rod and the rear end rod is not more than the inner diameter of the drainage pipeline.
6. The directional dredging device for drainage pipeline of claim 1, wherein: the directional drilling rig is located in the manhole upstream of the blocked drainage pipe section.
7. The directional dredging device for drainage pipeline of claim 1, wherein: an image sensor is arranged on the drill rod.
8. The directional dredging device for drainage pipeline of claim 1, wherein: and the front end of the drill rod is provided with a positioning and guiding mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174897.9A CN110847339A (en) | 2019-11-26 | 2019-11-26 | Directional dredging device for drainage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174897.9A CN110847339A (en) | 2019-11-26 | 2019-11-26 | Directional dredging device for drainage pipeline |
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| Publication Number | Publication Date |
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| CN110847339A true CN110847339A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911174897.9A Pending CN110847339A (en) | 2019-11-26 | 2019-11-26 | Directional dredging device for drainage pipeline |
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| CN (1) | CN110847339A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277918A (en) * | 2022-01-05 | 2022-04-05 | 中国地质大学（武汉） | Drainage pipeline dredging device adopting horizontal directional drill |
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| EP3326727A2 (en) * | 2016-11-29 | 2018-05-30 | RITEC Rohrinspektionstechnik GmbH | Device for the inspection and cleaning of a conduit or pipe section |
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| KR101913373B1 (en) * | 2018-07-10 | 2019-01-14 | (주)크린텍 | Scale removing device of pipe line and pipe washing method using the same |
| CN109235630A (en) * | 2018-09-18 | 2019-01-18 | 闫丽娟 | A kind of pipeline sludge flusher for hydraulic engineering pipe dredging |
| CN208763169U (en) * | 2018-09-06 | 2019-04-19 | 厦门骏特市政工程有限公司 | A kind of Accrete clearing device for subsoil drain |
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2019
- 2019-11-26 CN CN201911174897.9A patent/CN110847339A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3326727A2 (en) * | 2016-11-29 | 2018-05-30 | RITEC Rohrinspektionstechnik GmbH | Device for the inspection and cleaning of a conduit or pipe section |
| CN108560696A (en) * | 2018-05-04 | 2018-09-21 | 北京城市排水集团有限责任公司 | A kind of source of sewage sewer dredging comprehensive operation vehicle and its application method |
| CN208346799U (en) * | 2018-06-06 | 2019-01-08 | 深圳市勘察测绘院有限公司 | A kind of slope drainage pipe dredging device |
| KR101913373B1 (en) * | 2018-07-10 | 2019-01-14 | (주)크린텍 | Scale removing device of pipe line and pipe washing method using the same |
| CN208763169U (en) * | 2018-09-06 | 2019-04-19 | 厦门骏特市政工程有限公司 | A kind of Accrete clearing device for subsoil drain |
| CN109235630A (en) * | 2018-09-18 | 2019-01-18 | 闫丽娟 | A kind of pipeline sludge flusher for hydraulic engineering pipe dredging |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277918A (en) * | 2022-01-05 | 2022-04-05 | 中国地质大学（武汉） | Drainage pipeline dredging device adopting horizontal directional drill |
| CN114277918B (en) * | 2022-01-05 | 2022-12-13 | 中国地质大学（武汉） | Drainage pipeline dredging device adopting horizontal directional drill |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200416 Address after: 300450 No.285 Zhonghuan West Road, free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant after: CHINA RAILWAY 18TH BUREAU GROUP Co.,Ltd. Applicant after: CHINA RAILWAY 18TH BUREAU GROUP CONSTRUCTION AND INSTALLATION ENGINEERING Co.,Ltd. Applicant after: CHINA UNIVERSITY OF GEOSCIENCES (WUHAN CITY) Address before: 300450 No.285 Zhonghuan West Road, free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant before: CHINA RAILWAY 18TH BUREAU GROUP CONSTRUCTION AND INSTALLATION ENGINEERING Co.,Ltd. Applicant before: CHINA RAILWAY 18TH BUREAU GROUP Co.,Ltd. Applicant before: CHINA UNIVERSITY OF GEOSCIENCES (WUHAN CITY) |
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Application publication date: 20200228 |
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