CN217491998U - Water jet drill bit for dredging pipeline - Google Patents
Water jet drill bit for dredging pipeline Download PDFInfo
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- CN217491998U CN217491998U CN202220988793.2U CN202220988793U CN217491998U CN 217491998 U CN217491998 U CN 217491998U CN 202220988793 U CN202220988793 U CN 202220988793U CN 217491998 U CN217491998 U CN 217491998U
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- drill bit
- power base
- bushing
- seat
- water jet
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Abstract
The utility model provides a water jet drill bit for pipeline desilting, including drill bit body, drill bit seat, neck bush and power base, the power base lower extreme is equipped with a water inlet of connecting high-pressure water source, the neck bush lower extreme rotationally set up in the power base, the neck bush with the water inlet intercommunication, the drill bit seat axle is fixed cup joint in the neck bush upper end, drill bit fixed connection in on the drill bit seat, be equipped with a plurality of rotatory spouts that are used for providing rotary driving power to the drill bit seat on the drill bit seat, rotatory spout all with bush upper end intercommunication. The utility model has the advantages that: the rotary nozzle on the power base of the water jet drill head sprays high-pressure water to wash the pipe wall, and the rotary nozzle sprays high-pressure water to drive the drill body to rotate, so that the capability of the water jet drill head in crushing dirt in a pipeline can be improved, the requirement on the water pressure of a high-pressure water source is lowered, and the energy consumption is reduced.
Description
Technical Field
The utility model relates to a pipeline desilting device technical field especially relates to a water jet drill bit for pipeline desilting.
Background
The length of the tap water pipeline in the city of China is 86.5 kilometers, and the diameter of the pipeline is between 100 and 1000 mm. The phenomena of dirt adhesion, local rusting, corrosion and the like can occur after the pipeline is used for a certain period, which not only can pollute the transported tap water, but also can seriously shorten the service life of the pipeline due to corrosion, possibly cause property loss and safety accidents, and therefore, the pipeline is necessary to be periodically desilted. Common pipeline cleaning technologies include manual cleaning, chemical cleaning, mechanical cleaning, PIG cleaning, steam cleaning, high-pressure water jet and the like.
The high-pressure water jet cleaning is to spray high-pressure water (more than or equal to 20MPa) through a nozzle with a small aperture to generate high-speed water jet to impact the inner wall of a pipeline to realize the purposes of cutting, crushing, cleaning and removing, and the cleaning capacity of the high-pressure water jet cleaning device to the pipeline is related to the water pressure of the high-pressure water used by the high-pressure water jet cleaning device, so that the high-cleaning-capacity high-pressure water jet cleaning device consumes higher energy, and when the water pressure used by the high-pressure water jet cleaning device is insufficient, the cleaning capacity of the high-pressure water jet cleaning device is limited, and dirt and other attachments with high adhesive strength cannot be cleaned.
SUMMERY OF THE UTILITY MODEL
In view of this, for improving the cleaning power of high pressure water jet belt cleaning device to the high strength attachment, reduce high pressure water jet belt cleaning device energy consumption, the utility model provides a water jet drill bit for pipeline desilting, including drill bit, drill bit seat, neck bush and power base.
The lower end of the power base is provided with a water inlet connected with a high-pressure water source.
The lower end of the inner bushing is rotatably arranged in the power base, and the inner bushing is communicated with the water inlet.
The drill bit seat shaft is fixedly sleeved at the upper end of the inner lining sleeve.
The drill bit is fixedly connected to the drill bit seat, a plurality of rotating nozzles used for providing rotating driving force for the drill bit seat are arranged on the drill bit seat, and the rotating nozzles are communicated with the upper end of the lining.
Furthermore, a plurality of advancing nozzles are further arranged on the power base.
Furthermore, each advancing nozzle is internally provided with an advancing nozzle, and the advancing nozzle is axially provided with a jet hole.
Furthermore, an outer bushing is fixed in the power base, and the inner bushing is rotatably arranged in the outer bushing.
Furthermore, a rotating bearing is arranged between the inner wall of the outer bushing and the outer wall of the inner bushing, and the rotating bearing is rotatably connected with the outer bushing and the inner bushing.
Furthermore, the drill bit is of a conical structure, and a plurality of circles of crushing teeth arranged in a stepped manner are arranged on the drill bit.
The utility model relates to a water jet drill bit for pipeline desilting's beneficial effect does: the power base of the water jet drill bit is provided with a drill bit seat, the drill bit seat is provided with a drill bit body, the drill bit seat is rotatably arranged on the power base through an inner bushing, the power base is connected with a high-pressure water source, the power base is also provided with a rotary nozzle, high-pressure water sprayed by the rotary nozzle can wash the pipe wall, and the high-pressure water sprayed by the rotary nozzle can drive the drill bit body to rotate, so that the capability of the water jet drill bit for crushing the dirt in the pipeline can be improved, the requirement of the water jet drill bit on the water pressure of the high-pressure water source is reduced, and the energy consumption is reduced.
Drawings
Fig. 1 is a sectional view showing the overall structure of a water jet drill for dredging a pipe according to an embodiment of the present invention.
FIG. 2 is a top view of the bit body 1 of FIG. 1.
Fig. 3 is a top view of the bit seat 2 of fig. 1.
Figure 4 is a cross-sectional view of the power base 4 of figure 1.
In the above figures: 1-bit body, 11-crushing teeth, 2-bit seat, 21-connecting hole, 3-outer bushing, 4-power base, 41-water inlet, 42-advancing nozzle, 5-advancing nozzle, 6-bearing retainer ring, 7-rotating bearing, 8-inner bushing and 9-rotating nozzle.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, the present invention provides a water jet drill bit for dredging a pipeline, which comprises a bit body 1, a drill bit seat 2, an inner bushing 8 and a power base 4.
The lower end of the power base 4 is provided with a water inlet 41, the water inlet 41 penetrates through the whole power base 4, the water inlet 41 is used for being connected with a high-pressure water source, a plurality of advancing nozzles are further arranged below the power base 4, the axes of the advancing nozzles are slightly inclined relative to the power base 4, and all the advancing nozzles are communicated with the water inlet 41.
The inner side of the power base 4 is fixedly provided with an outer bushing 4, the outer bushing 4 is a circular tube, the outer wall of the outer bushing 4 is fixedly connected to the upper side of the power base 4, the outer bushing 4 and the water inlet 41 are coaxially arranged, the inner bushing 8 is also of a circular tube structure, the outer diameter of the inner bushing 8 is smaller than the inner diameter of the outer bushing 4, the inner bushing 8 is rotatably arranged in the outer bushing 4 through two rotating bearings 7, a bearing retainer ring 6 is arranged between the two rotating bearings 7, and the bearing retainer ring 6 is used for positioning the two rotating bearings 7 and preventing the two rotating bearings 7 from axially sliding.
The drill bit seat 2 is fixedly connected with the upper end of the outer bushing 4, specifically, the drill bit seat 2 is axially provided with a connecting hole 21, a connecting internal thread is arranged in the connecting hole 21, a connecting external thread is arranged at the upper end of the outer bushing 4, the upper end of the outer bushing 4 is connected onto the outer bushing 4 in a threaded connection mode, the drill bit seat 2 can rotate relative to the power base 4, and the side wall of the drill bit seat 2 is provided with a plurality of inclined rotary nozzles 9.
The drill bit body 1 is connected above the drill bit seat 2, the drill bit body 1 is in a conical structure, the lower end of the drill bit body 1 is connected to the drill bit seat 2 in a threaded connection mode, a rotary spraying cavity is formed between the drill bit seat 2 and the drill bit body 1, and the rotary spraying cavity is simultaneously communicated with the inner lining 8 and all the rotary nozzles 9.
Further, each advancing nozzle 42 is provided with an advancing nozzle 5 therein, each advancing nozzle 5 is provided with an injection hole in the axial direction, and the advancing nozzle 5 is connected to the advancing nozzle 42 by a screw thread.
Furthermore, a plurality of circles of crushing teeth 11 arranged in a ladder shape are arranged on the drill body 1.
The utility model provides a theory of operation that is used for water jet drill bit of pipeline desilting does: when the water jet drilling head works, the water jet drilling head is positioned in the pipeline, and a water inlet 41 of the water jet drilling head is connected with a high-pressure water source through a water inlet pipe; the high-pressure water source outputs high-pressure water, after the high-pressure water enters the water jet drill bit, part of the high-pressure water is sprayed out from the forward nozzle 5, and the water sprayed out from the forward nozzle 5 generates reaction thrust on the power base 4 to drive the power base 4 to move forwards in the pipeline; meanwhile, the other part of high-pressure water enters the rotary spraying cavity through the inner bushing 3 and is sprayed out of the rotary nozzles 9, the reaction force of the part of high-pressure water pushes the drill bit seat 2 to rotate relative to the power base 4, so that the drill bit body 1 is driven to rotate, the drill bit body 1 crushes attachments on the inner wall of the pipeline in the rotating process, and the high-pressure water sprayed out of the rotary nozzles 9 can clean the crushed attachments, so that the pipeline dredging effect is achieved.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A water jet drill bit for pipeline desilting which characterized in that: comprises a drill body, a drill seat, an inner bushing and a power base,
the lower end of the power base is provided with a water inlet for connecting a high-pressure water source,
the lower end of the inner bushing is rotatably arranged in the power base, the inner bushing is communicated with the water inlet,
the drill bit seat is fixedly sleeved at the upper end of the lining sleeve,
the drill bit body is fixedly connected to the drill bit seat, a plurality of rotating nozzles used for providing rotating driving force for the drill bit seat are arranged on the drill bit seat, and the rotating nozzles are communicated with the upper end of the bushing.
2. A waterjet drill bit for pipe dredging as claimed in claim 1, characterized in that: the power base is also provided with a plurality of advancing nozzles.
3. A waterjet drill bit for pipe dredging as claimed in claim 2, characterized in that: each advancing nozzle is internally provided with an advancing nozzle, and the advancing nozzle is axially provided with an injection hole.
4. A waterjet drill bit for pipe dredging as claimed in claim 1, characterized in that: an outer bushing is fixed in the power base, and the inner bushing is rotatably arranged in the outer bushing.
5. A waterjet drill bit for pipe dredging according to claim 4, wherein: and a rotating bearing is arranged between the inner wall of the outer bushing and the outer wall of the inner bushing, and the rotating bearing is rotatably connected with the outer bushing and the inner bushing.
6. A waterjet drill bit for pipe dredging as claimed in claim 1, wherein: the drill bit is of a conical structure, and a plurality of circles of crushing teeth which are arranged in a step shape are arranged on the drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220988793.2U CN217491998U (en) | 2022-04-26 | 2022-04-26 | Water jet drill bit for dredging pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220988793.2U CN217491998U (en) | 2022-04-26 | 2022-04-26 | Water jet drill bit for dredging pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217491998U true CN217491998U (en) | 2022-09-27 |
Family
ID=83351030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220988793.2U Active CN217491998U (en) | 2022-04-26 | 2022-04-26 | Water jet drill bit for dredging pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217491998U (en) |
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2022
- 2022-04-26 CN CN202220988793.2U patent/CN217491998U/en active Active
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