CN208137841U - A kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structure - Google Patents
A kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structure Download PDFInfo
- Publication number
- CN208137841U CN208137841U CN201820505557.4U CN201820505557U CN208137841U CN 208137841 U CN208137841 U CN 208137841U CN 201820505557 U CN201820505557 U CN 201820505557U CN 208137841 U CN208137841 U CN 208137841U
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- drilling
- mud box
- collection mud
- rotary
- sediment
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Abstract
The utility model relates to technical field of buildings more particularly to a kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structures, including：Drilling rod, rotary digging motor, retarder；The rotary digging motor is fixed at the bottom of drilling rod；The lower part of rotary digging motor is arranged in the drill bit, and drill bit is connected with rotary digging motor by retarder；The top of rotary digging motor is arranged in the collection mud box, and collection mud box is connected with drilling rod by bearing；The top of the collection mud box is provided with bellows, and collection mud box is connected with slush pump by bellows；The bottom of the collection mud box is provided with dreg-drawing pipe, and dreg-drawing pipe is connected with collection mud box；One end of the slush pump is provided with dredging tube, and dredging tube is connected with slush pump by clip mode.Improvement on through the above structure has and is easily installed debugging, deslagging effect height, the good advantage of reacting cycle effect, thus the problem of effective solution existing apparatus and deficiency.
Description
Technical field
The utility model relates to technical field of buildings more particularly to a kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling knots
Structure.
Background technique
When reverse circulation drilling refers to rotary drilling rig work, rotating disk drives the bit cutting of drill rod end to be crushed ground in hole,
Flushing liquor inflow hole bottom in the annular gap between drilling rod and hole wall, cooling drill bit and carrying are cut the ground boring mud to get off,
Ground is returned to by drilling rod inner cavity, at the same time, interior formed of return aperture recycles flushing liquor again, and boring mud is brought to drilling rod in this process
Top flows to mud-settling pit, recycled after mud purification.
When carrying out bore operation, since the environment of operation field is complicated and changeable, the installation and debugging of drilling device are more not
Just, furthermore the deslagging efficiency of drilling rod is lower, once the inner cavity of drilling rod blocks, deslagging operation can be made to cannot proceed normally, no
It is able to satisfy the demand of people.
Utility model content
The purpose of this utility model is to provide a kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structures, on solving
The installation and debugging for stating the drilling device proposed in background technique are more inconvenient, the lower problem and shortage of deslagging efficiency.
The purpose of this utility model and effect are reached by technical solution in detail below：
A kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structure, including：Drilling rod, rotary digging motor, retarder, drill bit,
Collection mud box, bearing, dreg-drawing pipe, bellows, slush pump, dredging tube, sedimentation basin, overflow launder, mud pit, circulating slot, fill orifice,
Gas port, slag guiding trough；The rotary digging motor is fixed at the bottom of drilling rod；The lower part of rotary digging motor is arranged in the drill bit,
And drill bit is connected with rotary digging motor by retarder；The top of rotary digging motor, and collection mud box and brill is arranged in the collection mud box
Bar is connected by bearing；The top of the collection mud box is provided with bellows, and collection mud box and slush pump pass through bellows
It is connected；The bottom of the collection mud box is provided with dreg-drawing pipe, and dreg-drawing pipe is connected with collection mud box；One end of the slush pump is set
It is equipped with dredging tube, and dredging tube is connected with slush pump by clip mode；The lower part of the dredging tube outlet is provided with precipitating
Pond, and sedimentation basin is connected with mud pit by overflow launder；The side of mud pit, and mud pit and filling is arranged in the fill orifice
Orifice is connected by circulating slot；The end of the drill bit offers gas port；Slag guiding trough is provided in the middle part of the drill bit, and
Slag guiding trough is connected with gas port.
As advanced optimizing for the technical program, a kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling of the utility model
There are four the through-holes of annular array distribution for the bottom setting of collection mud box described in structure, and the through-hole is connected with dreg-drawing pipe, institute
It states through-hole and dreg-drawing pipe corresponds.
As advanced optimizing for the technical program, a kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling of the utility model
The resemblance of collection mud box described in structure is cylindrical, and the junction of running through of collection mud box and drilling rod is provided with bearing.
As advanced optimizing for the technical program, a kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling of the utility model
Gas port described in structure is at least provided with six, and gas port circular array formula is distributed, and gas port and slag guiding trough correspond.
As advanced optimizing for the technical program, a kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling of the utility model
The top of sedimentation basin described in structure is provided with grid strainer.
As advanced optimizing for the technical program, a kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling of the utility model
The trapezoidal shape of the section of sedimentation basin and mud pit described in structure.
Due to the application of the above technical scheme, the utility model has following advantages compared with prior art：
1, the utility model by the setting of the bottom of collection mud box there are four the through-hole of annular array distribution, and the through-hole with
Dreg-drawing pipe is connected, and the through-hole is arranged correspondingly with dreg-drawing pipe, improves deslagging efficiency.
2, the utility model is cylindrical by the resemblance of collection mud box, and collection mud box and drilling rod are set through junction
It is equipped with the setting of bearing, rotate collection mud box can on drilling rod, convenient for the installation and debugging of bellows and slush pump.
3, the utility model passes through gas port at least provided with six, and gas port circular array formula is distributed, gas port
It is arranged correspondingly with slag guiding trough, guarantees the unobstructed of gas circuit, improves reacting cycle effect.
4, the utility model through the above structure on improvement, have and be easily installed debugging, deslagging effect is high, and reacting cycle is imitated
Fruit good advantage, thus the problem of effective solution existing apparatus and deficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is enlarged structure schematic diagram at the A of the utility model；
Fig. 3 is enlarged structure schematic diagram at the B of the utility model.
In figure：Drilling rod 1, rotary digging motor 2, retarder 3, drill bit 4, collection mud box 5, bearing 6, dreg-drawing pipe 7, bellows 8, mud
Stock pump 9, dredging tube 10, sedimentation basin 11, overflow launder 12, mud pit 13, circulating slot 14, fill orifice 15, gas port 401, slag guiding trough
402。
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structure technology
Scheme：
A kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structure, including：Drilling rod 1, retarder 3, bores rotary digging motor 2
First 4, collection mud box 5, bearing 6, dreg-drawing pipe 7, bellows 8, slush pump 9, dredging tube 10, sedimentation basin 11, overflow launder 12, mud pit
13, circulating slot 14, fill orifice 15, gas port 401, slag guiding trough 402；Rotary digging motor 2 is fixed at the bottom of drilling rod 1；Drill bit 4
The lower part of rotary digging motor 2 is set, and drill bit 4 is connected with rotary digging motor 2 by retarder 3；The setting of collection mud box 5 is in rotary digging electricity
The top of machine 2, and collection mud box 5 is connected with drilling rod 1 by bearing 6；The top of collection mud box 5 is provided with bellows 8, and collects mud
Case 5 is connected with slush pump 9 by bellows 8；The bottom of collection mud box 5 is provided with dreg-drawing pipe 7, and dreg-drawing pipe 7 and collection mud box 5
It is connected；One end of slush pump 9 is provided with dredging tube 10, and dredging tube 10 is connected with slush pump 9 by clip mode；Defeated mud
The lower part that pipe 10 exports is provided with sedimentation basin 11, and sedimentation basin 11 is connected with mud pit 13 by overflow launder 12；Fill orifice 15
The side of mud pit 13 is set, and mud pit 13 is connected with fill orifice 15 by circulating slot 14；The end of drill bit 4 offers
Gas port 401；The middle part of drill bit 4 is provided with slag guiding trough 402, and slag guiding trough 402 is connected with gas port 401.
Specifically, there are four the through-holes of annular array distribution for the bottom setting of collection mud box 5, and through-hole is connected with dreg-drawing pipe 7
Logical, through-hole and dreg-drawing pipe 7 correspond, and the body refuse in fill orifice 15 enters in collection mud box 5 from four dreg-drawing pipes 7 simultaneously, mention
High deslagging efficiency, can work normally a dreg-drawing pipe 7 blocks, guarantee the reliable progress of deslagging work.
Specifically, the resemblance of collection mud box 5 is cylindrical, and the junction of running through of collection mud box 5 and drilling rod 1 is provided with axis
6 are held, when being attached using bellows 8 to slush pump 9 and collection mud box 5, bellows 8 can be made to protect by rotating collection mud box 5
It holds unimpeded, is easily installed debugging.
Specifically, gas port 401 is at least provided with six, and 401 circular array formula of gas port is distributed, gas port 401
It is corresponded with slag guiding trough 402, when slush pump 9 works, 7 inner cavity of dreg-drawing pipe forms negative pressure, the work of fluid column and atmospheric pressure in hole
Under, sediment enters 7 inner cavity of dreg-drawing pipe along slag guiding trough 402 from gas port 401, drains into ground using collection mud box 5 and pipeline
In sedimentation basin 11.
Specifically, the top of sedimentation basin 11 is provided with grid strainer, the bulky grain sludge filtration in mud can be gone out, be reduced
The possibility that pipeline blocks.
Specifically, the trapezoidal shape of section of sedimentation basin 11 and mud pit 13, makes the biggish mud of density be deposited on sedimentation basin
11 with the bottom of mud pit 13.
Specifically used method and effect：
Before carrying out bore operation, the mud prepared is injected in sedimentation basin 11 and mud pit 13, then by slush pump 9
It is installed to suitable position, slush pump 9 and collection mud box 5 are attached using bellows 8 later, passes through rotation collection mud box at this time
5 keep unimpeded the bellows 8 between collection mud box 5 and slush pump 9, and when carrying out bore operation, rotary digging motor 2 passes through retarder
3 drive drill bit 4 to rotate, the 4 rotary cutting soil body of drill bit drilling, at this time annular gap of the mud between drilling rod 1 and fill orifice 15
It flows into, when slush pump 9 works, 7 inner cavity of dreg-drawing pipe forms negative pressure, the fluid column and under the action of atmospheric pressure in hole, and sediment is from air guide
Hole 401 enters 7 inner cavity of dreg-drawing pipe along slag guiding trough 402, drains into the sedimentation basin 11 on ground using collection mud box 5 and pipeline, at this time
Grid strainer on sedimentation basin 11 can go out the bulky grain sludge filtration in mud, reduce the possibility that pipeline blocks, density
Biggish mud is deposited on the bottom of sedimentation basin 11 Yu mud pit 13, and the mud of medium density flows into fill orifice 15 from circulating slot 14
It is interior, realize the reacting cycle cleaning of drilling sediment.
In summary：A kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structure, the bottom for passing through collection mud box is arranged
There are four the through-holes of annular array distribution, and the through-hole is connected with dreg-drawing pipe, and the through-hole and dreg-drawing pipe are one-to-one
Setting, improves deslagging efficiency；It is cylindrical by the resemblance of collection mud box, and collection mud box and drilling rod are set through junction
It is equipped with the setting of bearing, rotate collection mud box can on drilling rod, convenient for the installation and debugging of bellows and slush pump；Pass through air guide
Hole is at least provided with six, and gas port circular array formula is distributed, and gas port is arranged correspondingly with slag guiding trough, guarantees gas
Unobstructed, the raising reacting cycle effect on road；Improvement on through the above structure has and is easily installed debugging, and deslagging effect is high, counter to follow
Ring effect good advantage, thus the problem of effective solution existing apparatus and deficiency.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
- The sediment borehole cleaning reverse circulation drilling structure 1. a kind of rotary drilling rig drills, including：Drilling rod (1), rotary digging motor (2), retarder (3), drill bit (4), collection mud box (5), bearing (6), dreg-drawing pipe (7), bellows (8), slush pump (9), dredging tube (10), precipitating Pond (11), overflow launder (12), mud pit (13), circulating slot (14), fill orifice (15), gas port (401), slag guiding trough (402)；Its It is characterized in that：The rotary digging motor (2) is fixed at the bottom of drilling rod (1)；The drill bit (4) is arranged in rotary digging motor (2) Lower part, and drill bit (4) and rotary digging motor (2) are connected by retarder (3)；The collection mud box (5) is arranged in rotary digging motor (2) top, and collection mud box (5) is connected with drilling rod (1) by bearing (6)；The top of the collection mud box (5) is provided with flexible Hose (8), and collection mud box (5) is connected with slush pump (9) by bellows (8)；The bottom of the collection mud box (5) is provided with Dreg-drawing pipe (7), and dreg-drawing pipe (7) is connected with collection mud box (5)；One end of the slush pump (9) is provided with dredging tube (10), and Dredging tube (10) is connected with slush pump (9) by clip mode；The lower part of dredging tube (10) outlet is provided with sedimentation basin (11), and sedimentation basin (11) is connected with mud pit (13) by overflow launder (12)；The fill orifice (15) is arranged in mud pit (13) side, and mud pit (13) is connected with fill orifice (15) by circulating slot (14)；The end of the drill bit (4) opens up There are gas port (401)；It is provided with slag guiding trough (402) in the middle part of the drill bit (4), and slag guiding trough (402) and gas port (401) phase Connection.
- The sediment borehole cleaning reverse circulation drilling structure 2. a kind of rotary drilling rig according to claim 1 drills, it is characterised in that：It is described There are four the through-holes of annular array distribution for the bottom setting of collection mud box (5), and the through-hole is connected with dreg-drawing pipe (7), described Through-hole and dreg-drawing pipe (7) correspond.
- The sediment borehole cleaning reverse circulation drilling structure 3. a kind of rotary drilling rig according to claim 1 drills, it is characterised in that：It is described The resemblance of collection mud box (5) is cylindrical, and the junction of running through of collection mud box (5) and drilling rod (1) is provided with bearing (6).
- The sediment borehole cleaning reverse circulation drilling structure 4. a kind of rotary drilling rig according to claim 1 drills, it is characterised in that：It is described Gas port (401) is at least provided with six, and gas port (401) circular array formula is distributed, gas port (401) and slag guiding trough (402) it corresponds.
- The sediment borehole cleaning reverse circulation drilling structure 5. a kind of rotary drilling rig according to claim 1 drills, it is characterised in that：It is described The top of sedimentation basin (11) is provided with grid strainer.
- The sediment borehole cleaning reverse circulation drilling structure 6. a kind of rotary drilling rig according to claim 1 drills, it is characterised in that：It is described The trapezoidal shape of section of sedimentation basin (11) and mud pit (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820505557.4U CN208137841U (en) | 2018-04-11 | 2018-04-11 | A kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820505557.4U CN208137841U (en) | 2018-04-11 | 2018-04-11 | A kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208137841U true CN208137841U (en) | 2018-11-23 |
Family
ID=64292539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820505557.4U Expired - Fee Related CN208137841U (en) | 2018-04-11 | 2018-04-11 | A kind of rotary drilling rig drilling sediment borehole cleaning reverse circulation drilling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208137841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197305A (en) * | 2020-01-06 | 2020-05-26 | 湖北省路桥集团有限公司 | Construction method of ultra-long large-diameter cast-in-situ bored pile |
| CN117145410A (en) * | 2023-11-01 | 2023-12-01 | 湖南路桥建设集团有限责任公司 | Reverse circulation bored pile construction device and construction method |
-
2018
- 2018-04-11 CN CN201820505557.4U patent/CN208137841U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197305A (en) * | 2020-01-06 | 2020-05-26 | 湖北省路桥集团有限公司 | Construction method of ultra-long large-diameter cast-in-situ bored pile |
| CN111197305B (en) * | 2020-01-06 | 2021-10-22 | 湖北省路桥集团有限公司 | Construction method of ultra-long large-diameter cast-in-situ bored pile |
| CN117145410A (en) * | 2023-11-01 | 2023-12-01 | 湖南路桥建设集团有限责任公司 | Reverse circulation bored pile construction device and construction method |
| CN117145410B (en) * | 2023-11-01 | 2024-02-09 | 湖南路桥建设集团有限责任公司 | Reverse circulation bored pile construction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20200411 |