CN210738470U - Special drill bit for pipeline exploration - Google Patents

Special drill bit for pipeline exploration Download PDF

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Publication number
CN210738470U
CN210738470U CN201921442435.6U CN201921442435U CN210738470U CN 210738470 U CN210738470 U CN 210738470U CN 201921442435 U CN201921442435 U CN 201921442435U CN 210738470 U CN210738470 U CN 210738470U
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China
Prior art keywords
water
drilling
drill bit
rod
outlet pipe
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CN201921442435.6U
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Chinese (zh)
Inventor
王立晗
蔡子阳
康宜军
姚月亮
梁海江
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Jiangsu Provincial Institute Of Hydrogeology And Engineering Geology
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Jiangsu Provincial Institute Of Hydrogeology And Engineering Geology
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Abstract

The utility model discloses a special drill bit for pipeline exploration, which comprises a drilling rod, wherein the drilling rod is provided with a water through hole along the axis direction, one end of the drilling rod is coaxially connected with a drilling head, and the drilling head is provided with a water outlet mechanism; the water outlet mechanism comprises a water outlet pipe communicated with the limber hole, the water outlet pipe is connected to the center of one end, facing outwards, of the drilling head, the drilling head is in an umbrella shape, the drilling head is convex towards the position far away from the drilling rod, the drilling head is uniformly radiated towards the periphery from the top point at one side, facing outwards, to form a plurality of first water guide grooves, and the water outlet pipe is communicated with the first water guide grooves. The utility model discloses have the effect that can take out drilling with the earth that drills out.

Description

Special drill bit for pipeline exploration
Technical Field
The utility model belongs to the technical field of the technique of drill bit and specifically relates to a special drill bit of pipeline exploration is related to.
Background
A line refers to a conduit coupled to a pump, valve, or control system, etc., for conveying a liquid, gas, or powdered solid. Exploration work is one of the important methods of engineering geological exploration. Engineering geological exploration includes geophysical prospecting, drilling, excavation, etc. During exploration, it is often necessary to drill holes.
The prior Chinese patent with publication number CN1233921C discloses a drill rod, a joint and a series of disposable drill bits capable of placing exploration explosive underground, which comprises a drill bit, a joint and a spiral drill rod; the drill bit consists of a combined part and a working part which are connected, wherein the combined part is a step cylinder, and the center of the combined part is provided with a round hole with a bottom; the surface of the working part is provided with a drill blade, the joint is a hollow cylinder with an internal threaded hole at the upper part, a round hole at the lower part of the joint is matched with a small-step cylinder at the upper end of a stepped cylinder of the drill bit combining part, the excircle of the joint is fixedly connected with at least one helical blade, and at least one driving part on the joint and the corresponding part of the drill bit form synchronous rotating splicing; the outer circle of the hollow rod body of the spiral drill rod is provided with a helical blade, the upper end and the lower end of the rod body are provided with threads, and the joint part of the rod body is provided with a shackle rib. Although the drill rod, the joint and the series of disposable drill bits capable of placing the exploration explosive into the underground effectively solve the problem that the requirement of placing the exploration explosive from the middle of the spiral drill rod after drilling in the area where a well wall cannot be formed is met, the operation cost is reduced, the soil drilled out by the drill rod cannot be treated, so that a drilled hole cannot be placed into a pipeline, and the construction difficulty is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can take out the mud that drills out and drill hole, can put into the pipeline and carry out the special drill bit that surveys.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a drill bit special for pipeline exploration comprises a drilling rod, wherein a water through hole is formed in the drilling rod along the axis direction, one end of the drilling rod is coaxially connected with a drilling head, and a water outlet mechanism is arranged on the drilling head;
the water outlet mechanism comprises a water outlet pipe communicated with a water through hole, the water outlet pipe is connected to the center of one end, facing outwards, of the drilling head, the drilling head is in an umbrella shape, the drilling head is protruded towards the position far away from the drilling rod, the drilling head is uniformly radiated towards the periphery from the top point at one side, facing outwards, to form a plurality of first water guide grooves, the water outlet pipe is communicated with the first water guide grooves, and the water outlet pipe is further communicated with the first water guide grooves.
Through adopting above-mentioned technical scheme, the staff inserts the probing pole in the drilling, drive the probing pole and rotate, the probing head that the probing pole was gone is drilld, then the staff leads to water in to the limbers, water in the limbers flows out from the probing head top, because the probing head is drilld, the place ahead is the jam form, so water flows to the probing head whole body and flows into first guiding gutter, water flows and drives earth and mixes into mud, mud is kept away from the probing position along first guiding gutter and is flowed, thereby derive the drilling with mud, after the probing finishes, can place the pipeline in the drilling. The first water guide groove can also be communicated with water through the water outlet pipe.
The utility model discloses further set up to: the vertical direction of the first water chute is 12.
Through adopting above-mentioned technical scheme, more first guiding gutter leads to boring probe overall stability to appear descending easily, and too few first guiding gutter water of inside easily can not lead out, causes mud to pile up in the drilling.
The utility model discloses further set up to: the width of the first water chute is 3-5 mm, and the depth of the first water chute is 2-4 mm.
Through adopting above-mentioned technical scheme, through the first guiding gutter of broad, can let grit or tiny stone in the mud also discharge through first guiding gutter to through shallower degree of depth, be difficult for influencing the holistic intensity of boring head.
The utility model discloses further set up to: and a hole expanding rod is arranged between the drilling head and the drilling rod, a second water guide groove is formed in the surface of the hole expanding rod along the length direction of the hole expanding rod, and the second water guide groove is communicated with the first water guide groove.
Through adopting above-mentioned technical scheme, can enlarge the drilling through the reaming pole, let the pipeline better penetrate the drilling to through the second guiding gutter, the earth that produces when can enlarging the reaming pole takes out the drilling.
The utility model discloses further set up to: the width of the second water chute is 5-8 mm, and the depth of the second water chute is 3-5 mm.
Through adopting above-mentioned technical scheme, through the second guiding gutter of broad, can increase and derive mud volume for work efficiency reduces the mud and piles up the condition in the drilling.
The utility model discloses further set up to: the second water chute is inclined, and the inclination angle between the second water chute and the length direction of the reamer spindle is 30 degrees.
Through adopting above-mentioned technical scheme, through the second guiding gutter of slope, can make the second guiding gutter longer to better carry out the water guide effect, and rotating in the reaming pole use, through the second guiding gutter of slope, accord with the trajectory of motion of reaming pole more, the water guide of being convenient for.
The utility model discloses further set up to: the bottom of the first water guide groove and the bottom of the second water guide groove are provided with U-shaped lead-out bottom blocks, and concave surfaces of the U-shaped lead-out bottom blocks face the outer side.
Through adopting above-mentioned technical scheme, derive the bottom block through the U type and can reduce the gravel in the mud or tiny stone card in the right angle department between guiding gutter lateral wall and bottom surface, promote the smoothness nature of first guiding gutter and second guiding gutter water guide.
The utility model discloses further set up to: and a screw thread is circumferentially arranged at one end of the drilling rod, which is far away from the drilling probe.
Through adopting above-mentioned technical scheme, make things convenient for staff's installation and dismantlement to bore the probe rod through the screw thread, make things convenient for the staff to use, more labour saving and time saving.
To sum up, the beneficial effects of the utility model are that:
1. the water outlet mechanism is adopted, so that the effect of taking the soil generated by drilling out of the drilling hole is achieved;
2. the hole expanding rod and the second water guide groove are adopted, so that the effects of expanding the drilled hole and bringing the expanded soil out of the drilled hole are achieved;
3. the U-shaped guide-out bottom block is adopted, so that the effect that the sediment is clamped in the first water chute or the second water chute can be reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a schematic cross-sectional structure diagram of the present embodiment.
In the figure, 1, a drilling rod; 11. a water through hole; 12. threading; 2. drilling a probe; 3. a water outlet mechanism; 31. a water outlet pipe; 32. a first water chute; 4. a hole expanding rod; 41. a second water chute; 5. u-shaped lead-out bottom block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a special drill bit of pipeline exploration, including boring bar 1, 2 one ends of boring probe are screw thread 12, make things convenient for staff's installation boring probe 2, and the other end is boring probe 2, can drill. For better drilling, the drilling head 2 is umbrella-shaped, and the drilling head 2 protrudes far away from the drilling rod 1. The water outlet pipe 31 is also communicated with a first water chute 32.
Referring to fig. 1 and 2, a water outlet mechanism 3 is arranged on the drilling head 2, the water outlet mechanism 3 comprises a water outlet pipe 31, a water through hole 11 is formed in the drilling rod 1 along the axis direction, the water outlet pipe 31 is placed in the water through hole 11, the water outlet pipe 31 is connected to the center of one end, facing outwards, of the drilling head 2, water can flow out of the top of the drilling head 2 through the water outlet pipe 31, and the water mixes soil in the drilling hole into slurry to carry the slurry out of the drilling hole. 12 first water guide grooves 32 are uniformly radiated to the periphery at the top point of the outward side of the drilling head 2, the width of each first water guide groove 32 is 3-5 mm, the depth of each first water guide groove 32 is 2-4 mm, the first water guide grooves 32 are communicated with the water outlet pipe 31, the flow direction of slurry can be guided through the first water guide grooves 32, and the slurry can be better taken out of a drilled hole.
Referring to fig. 1, a reaming rod 4 is arranged between a drilling head 2 and a drilling rod 1, an inclined second water guiding groove 41 is formed in the surface of the reaming rod 4 along the length direction of the reaming rod 4, and an included angle between the inclined second water guiding groove 41 and the length direction of the reaming rod 4 is 30 °. Meanwhile, the second water chute 41 is communicated with the first water chute 32, the width of the second water chute 41 is 5-8 mm, the depth of the second water chute is 3-5 mm, and the amount of the slurry led out is increased by the thicker width.
Referring to fig. 2, first guiding gutter 32 and second guiding gutter 41 bottom are provided with the U type and derive bottom block 5 to the concave surface that the bottom block 5 was derived to the U type is towards the outside, becomes smooth curved surface with first guiding gutter 32 and second guiding gutter 41 bottom, reduces the grit in the mud or the right angle department of tiny stone card between guiding gutter lateral wall and bottom surface, lets better drilling everywhere of mud.
The implementation principle of the above embodiment is as follows: the staff drills through connecting drilling rod 1 on the output lever of drilling motor through screw thread 12, passes through to limbers 11 at the probing in-process, and water flows out from the 2 tops of drill point through outlet pipe 31, because drill point 2 the place ahead is driling, so water outwards flows out along the first guiding gutter 32 on 2 whole bodies of drill point, and the mud is formed with the earth mixture of drilling out to the outflow in-process, takes earth out of the drilling. And the hole enlarging rod 4 enlarges the drilled hole, and the taken-out soil is mixed with water again and led out of the drilled hole through the second water chute 41.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a special drill bit of pipeline exploration which characterized by: the water-discharging device comprises a drilling rod (1), wherein a water through hole (11) is formed in the drilling rod (1) along the axis direction, one end of the drilling rod (1) is coaxially connected with a drilling head (2), and a water discharging mechanism (3) is arranged on the drilling head (2);
go out outlet pipe (31) of water mechanism (3) including intercommunication limbers (11), outlet pipe (31) are connected in boring probe (2) one end center outwards, boring probe (2) are the umbrella type, boring probe (2) are protruding to keeping away from boring probe rod (1), boring probe (2) one side summit department outwards has a plurality of first guiding gutter (32) to uniform radiation all around, outlet pipe (31) communicate first guiding gutter (32), outlet pipe (31) still communicate first guiding gutter (32).
2. The drill bit as claimed in claim 1, wherein: the vertical direction of the first water chute (32) is 12.
3. The drill bit as claimed in claim 2, wherein: the width of the first water chute (32) is 3-5 mm, and the depth is 2-4 mm.
4. The drill bit as claimed in claim 3, wherein: the hole expanding device is characterized in that a hole expanding rod (4) is arranged between the drilling head (2) and the drilling rod (1), a second water guide groove (41) is formed in the surface of the hole expanding rod (4) along the length direction of the hole expanding rod (4), and the second water guide groove (41) is communicated with the first water guide groove (32).
5. The drill bit as claimed in claim 4, wherein: the width of the second water chute (41) is 5-8 mm, and the depth is 3-5 mm.
6. The drill bit as claimed in claim 5, wherein: the second water guide groove (41) is inclined, and the inclination angle between the second water guide groove (41) and the length direction of the hole expanding rod (4) is 30 degrees.
7. The drill bit as claimed in claim 6, wherein: the bottom of the first water chute (32) and the bottom of the second water chute (41) are provided with U-shaped lead-out bottom blocks (5), and the concave surfaces of the U-shaped lead-out bottom blocks (5) face to the outer side.
8. The drill bit as claimed in claim 1, wherein: and a screw thread (12) is circumferentially arranged at one end of the drilling rod (1) far away from the drilling probe (2).
CN201921442435.6U 2019-08-30 2019-08-30 Special drill bit for pipeline exploration Active CN210738470U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921442435.6U CN210738470U (en) 2019-08-30 2019-08-30 Special drill bit for pipeline exploration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921442435.6U CN210738470U (en) 2019-08-30 2019-08-30 Special drill bit for pipeline exploration

Publications (1)

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CN210738470U true CN210738470U (en) 2020-06-12

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CN201921442435.6U Active CN210738470U (en) 2019-08-30 2019-08-30 Special drill bit for pipeline exploration

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CN (1) CN210738470U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113216833A (en) * 2021-05-19 2021-08-06 新疆钢铁雅满苏矿业有限责任公司 Geological prospecting drilling device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113216833A (en) * 2021-05-19 2021-08-06 新疆钢铁雅满苏矿业有限责任公司 Geological prospecting drilling device

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