CN109973040A - Rotary digging drill bit fishing device and construction method - Google Patents
Rotary digging drill bit fishing device and construction method Download PDFInfo
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- CN109973040A CN109973040A CN201910355361.0A CN201910355361A CN109973040A CN 109973040 A CN109973040 A CN 109973040A CN 201910355361 A CN201910355361 A CN 201910355361A CN 109973040 A CN109973040 A CN 109973040A
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- drill bit
- rotary digging
- strut
- drilling rod
- rotary
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000005553 drilling Methods 0.000 claims abstract description 99
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 44
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 44
- 241001330002 Bambuseae Species 0.000 claims abstract description 44
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 44
- 239000011425 bamboo Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 241000196324 Embryophyta Species 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 230000011218 segmentation Effects 0.000 claims description 8
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 4
- 239000004927 clay Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of rotary digging drill bit fishing device and construction method, it includes pectination rotary head, and flat bamboo formula of cutting is bored and anchor formula drill bit；In the pectination rotary head, first high pressure water service pipe lower end is connect with rotary head cylinder, rotary head cylinder inboard wall or outer wall are equipped with rotary head iron nail or elastic wire along radial distribution, and the first high pressure water service pipe top is connect with drilling rod, and the side wall of rotary head cylinder or/and bottom are equipped with apopore.When construction, pectination rotary head removes the boring mud on rotary digging drill bit, the flat attachment cut in bamboo formula drill bit removal rotary digging drill bit；Rotary digging drill bit is risen by anchor formula drill bit.The present invention clears up the boring mud in wellhole in early period by pectination rotary head and flat bamboo formula drill bit of cutting, and keeps the access in wellhole unobstructed, greatly improves the success rate for salvaging rotary digging drill bit.Anchor formula drill bit overcome the small problem in gap between rotary digging drill bit and wellhole inner wall in the prior art using the structure of inner support, greatly improve the success rate of salvaging.
Description
Technical field
The present invention relates to field of bridge construction, especially a kind of rotary digging drill bit fishing device and construction method.
Background technique
Bored pile foundation has a wide range of applications during bridge construction now, especially in some cross a river roads
The bridge construction mode of cast-in-situ bored pile pilum is generally with Pile Foundations Design under conditions of the soft base Geological Environmental Factors of city, due to
Pile foundation is the foundation in the construction of bridge, and pile foundation, which must squeeze into supporting course, can provide stable bearing capacity.
Pile-base supporting layer is embedded depth compared with depth and the stable hard rock stratum of geological condition.Using bored pile construction
When, due to consuming excessively for drilling rod, the brittle fracture of drilling rod is caused to cause to be easy to happen Drill Crack in drilling process and fall into
Accident among stake holes.It needs to take a series of drilling rod salvage measure, just can guarantee that cast-in-situ bored pile continues to construct.It is boring
Among bar is salvaged, main using manually salvaging is lauched, usual underwater environment is more severe, and lower water depth is deeper, and underwater mud
Specific gravity is excessive, and hole is there are collapse hole risk, and the underwater visual field is fuzzy, and bottom time is longer, and is lauched and once can not usually reach
To the purpose for salvaging drilling rod, it need to repeatedly be lauched, cause great security risk to staff is lauched.If drilling rod is heavy because drilling
Slag is blocked up, in the case where causing the drilled cinder ladle of drill bit to be wrapped up in, is manually usually unable to reach the effect for successfully salvaging drilling rod.
Chinese patent literature CN101382049A describes a kind of Refloatation method of rotary drilling rig drilling bucket sluice gate, by using
The scheme of similar wire basket is salvaged；But for rotary digging drill bit, the structure of wire basket is difficult to be set on rotary digging drill bit.
Chinese patent literature CN101382049A describes a kind of drilling tool fishing device, is grabbed using a kind of structure of similar hydraulic grab
Drilling tool is played, but the gap between rotary digging drill bit and wellhole (9) inner wall is smaller, grab bucket is difficult to operate, and in wellhole
(9) also difficulty is higher for underground hydraulic pressure supply, needs additionally to configure hydraulic system.Chinese patent literature CN204492730U is recorded
A kind of rotary drilling rig and its drilling bucket fishing device, catch on rotary digging drill bit by using the structure of barb, but the program
Positioning it is more difficult, and be only capable of the drilling bucket for specific model, and be also easy to fall off during raising.Therefore one is needed
Kind can greatly improve the device and overall plan of rotary digging drill bit fishing success ratio.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of rotary digging drill bit fishing device and construction method, Neng Gou great
Width improves the success rate that rotary digging drill bit is salvaged, and reduces difficulty of construction, reduces personnel safety risk.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of rotary digging drill bit fishing device, it
Including pectination rotary head；
In the pectination rotary head, the first high pressure water service pipe lower end is connect with rotary head cylinder, and rotary head cylinder inboard wall or outer wall are equipped with
Along the rotary head iron nail or elastic wire of radial distribution, the first high pressure water service pipe top is connect with drilling rod, the side wall of rotary head cylinder
Or/and bottom is equipped with apopore.
It further include flat cutting bamboo formula drill bit in preferred scheme；
It is described it is flat cut in bamboo formula drill bit, cut bamboo chip and be fixedly connected with the second high pressure water service pipe, the shape for cutting bamboo chip is sheet
Structure, the bottom end for cutting bamboo chip are jagged；
Second high pressure water service pipe top is connect with drilling rod.
In preferred scheme, the bottom end for cutting bamboo chip is curve or oblique line, cuts bamboo chip and leans on the side of proximal head to extension
It stretches to form stage.
It further include anchor formula drill bit, the structure of anchor formula drill bit in preferred scheme are as follows: tube body is equipped at least two along axial direction
Perforation outer wall strut slot, each strut slot circumferentially, piston slider, the lower end of strut and tube end is equipped in tube body
Head is hinged, and the upper end of push rod and piston slider are hinged, and the middle part of lower end and strut is hinged, and the top of tube body is used to connect with drilling rod
It connects.
In preferred scheme, the top of strut slot is equipped with the limit stage of limit strut；
Strut and the hinged position of pipe end are equipped with spring, so that strut is rotated upwards in income to strut slot.
In preferred scheme, the strut and push rod are the structure of lower ends bent, push rod and strut articulated connection
End is fork configuration.
In preferred scheme, the swing angle of the strut is greater than 90 °；
Strut is flared to the internal diameter that maximum external diameter of a circle is greater than rotary digging drill bit.
In preferred scheme, for the wirerope of winding plant around connecting after guide wheel with drilling rod, guide wheel is mounted on drill rod rack
Top, drilling-rod external wall are connect with mill drilling machine.
A kind of construction method using above-mentioned rotary digging drill bit fishing device, comprising the following steps:
S1, rigging up and drilling rod, drilling rod lower end are fixedly connected with pectination rotary head, and drilling rod top is connect with slush pump, by elevator
Drilling rod and drill bit segmentation after wellhole corresponding height, are opened slush pump and utilize the first high pressure water service pipe circulation flushing by device,
Mill drilling machine drives drilling rod to rotate integrally, and removes the boring mud on rotary digging drill bit, and decompression drilling and lifting are bored during the rinsing process
Bar is whole；
S2, it drilling rod and drill bit has been segmented has risen to outside well, drilling rod lower end, which is changed to, flat cuts bamboo formula drill bit, drilling rod top and mud
Drilling rod and drill bit are segmented after wellhole corresponding height by winding plant, it is logical using the second high pressure to open slush pump by pump connection
Water pipe circulation flushing, mill drilling machine drive drilling rod to rotate integrally, and cut the attachment in bamboo chip removal rotary digging drill bit, clear up rotary digging
Attachment is reduced on the surface of drill bit；
S3, rotary digging drill bit is risen outside well；
Realize that rotary digging drill bit salvages construction by above step.
In preferred scheme, in step S3, acting rotary digging drill bit method includes that barb tool rises, and reinforcing bar cage body rises
Out, it has manually bound out or anchor formula drill bit rises；
The anchor formula drill bit rises in scheme, and drilling rod lower end is changed to anchor formula drill bit, and drilling rod top is connect with slush pump, by
Drilling rod and drill bit are segmented the rotary digging drill bit inner cavity in wellhole by winding plant, and the depth of rotary digging drill bit is by comb before
Shape rotary head or it is flat cut the detection of bamboo formula drill bit and obtain, or leant out by sounding bob；
After in place, start slush pump, piston slider moves downward under the action of high-pressure slurry, and push rod opens strut, strut
It is supported on rotary digging drill bit inner wall, and is clamped, slush pump pressure maintaining, winding plant is promoted drilling rod and drill bit segmentation together with rotary digging
Drill bit rises；
If in place, not starting slush pump, piston slider is moved downward, and strut can turn over support Interval, reversed by valve transfer
Cyclic suction mud makes strut reply initial position, finds rotary digging drill bit inner cavity again；Or when strut can not reply initially
Position, raising drilling rod is whole, replys strut to initial position, drilling rod and drill bit segmentation are found churning driven in wellhole again
Drill bit inner cavity.
A kind of rotary digging drill bit fishing device provided by the invention and construction method have by using above scheme
It is below the utility model has the advantages that
1, the present invention clears up the boring mud in wellhole in early period by pectination rotary head and flat bamboo formula drill bit of cutting, and makes in wellhole
Access it is unobstructed, greatly improve salvage rotary digging drill bit success rate.
2, the pectination rotary head in the present invention can easily clear up rubble and clay boring mud, protect the borehole wall and rotary digging drill bit
Cleaning is held, adhesion is avoided.
3, the flat bamboo formula drill bit of cutting in the present invention especially makes churning driven particularly suitable for the inner cavity of cleaning rotary digging drill bit
Drill bit inner cavity hooking position keeps cleaning, avoids skidding in subsequent work progress.
4, the anchor formula drill bit in the present invention overcomes rotary digging drill bit and wellhole in the prior art using the structure of inner support
The small problem in gap between inner wall, and cleverly using Pressure Slurry as hydraulic oil, drive the strut of anchor formula drill bit to open, branch
Support greatly improves the success rate of salvaging in the inner cavity of rotary digging drill bit.
5, it method of the invention, it is possible to which the probability for being manually lowered into wellhole operation is greatly decreased, also avoids salvaging
Occur collapsing in journey hole, reaming and shrinkage cavity the problem of, improve the success rate of salvaging.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the overall structure diagram of apparatus of the present invention.
Fig. 2 is schematic diagram of the rotary digging drill bit in wellhole in the present invention.
Fig. 3 is the structural schematic diagram of pectination rotary head in the present invention.
Fig. 4 is the flat structural schematic diagram for cutting bamboo formula drill bit in the present invention.
Fig. 5 is lowered into structural schematic diagram when rotary digging drill bit inner cavity for anchor formula drill bit in the present invention.
Fig. 6 is supported on structural schematic diagram when rotary digging drill bit inner cavity for anchor formula drill bit in the present invention.
Fig. 7 there is no structural schematic diagram when support for anchor formula drill bit in the present invention.
Fig. 8 is the schematic view of the front view of strut and push rod link position in the present invention.
In figure: drill rod rack 1, inner ring tripod 101, annulus 102, support triangle frame 103, drilling rod 2, mill drilling machine 3 are high
Pressure pipe 4, anchor formula drill bit 5, tube body 51, piston slider 52 limit stage 53, strut 54, push rod 55, strut slot 56, pectination turn
First 6, rotary head cylinder 61, rotary head iron nail 62, the first high pressure water service pipe 63 is flat to cut bamboo formula drill bit 7, cuts bamboo chip 71, the second high pressure
Water service pipe 72, rotary digging drill bit 8, wellhole 9, guide wheel 10, winding plant 11.
Specific embodiment
Embodiment 1:
In Fig. 3, a kind of rotary digging drill bit fishing device, it includes pectination rotary head 6；
In the pectination rotary head 6,63 lower end of the first high pressure water service pipe is connect with rotary head cylinder 61,61 inner wall of rotary head cylinder or outer
Wall is equipped with rotary head iron nail 62 or elastic wire along radial distribution, and 63 top of the first high pressure water service pipe is connect with drilling rod 2, rotary head
The side wall of cylinder 61 or/and bottom are equipped with apopore.Thus structure, pectination rotary head 6 are used for boring mud and the rotation cleared up in wellhole 9
The boring mud and clay on 8 surface of drill bit are dug, opens up reliable channel for the salvaging of rotary digging drill bit 8.And can correct collapse hole and
Shrinkage cavity defect.The rotary head iron nail 62 or elastic wire of setting break up boring mud, and wellhole 9 is delivered under the washing away of high-pressure slurry
Circulation.Elastic wire is used to scrub the clay of 9 inner wall of rotary digging drill bit 8 or wellhole.
It preferred scheme such as Fig. 1, further include bamboo flat cutting bamboo formula drill bit 7 in 4；
It is described it is flat cut in bamboo formula drill bit 7, cut bamboo chip 71 and be fixedly connected with the second high pressure water service pipe 72, specifically cut bamboo chip 71
It is fixed with the second high pressure water service pipe 72 by more steel wire lashings, the shape for cutting bamboo chip 71 is laminated structure, cuts the bottom of bamboo chip 71
Portion end is jagged；
Second high pressure water service pipe, 72 top is connect with drilling rod 2.The bamboo flat bamboo formula drill bit 7 of cutting being arranged is mainly used for cleaning rotation
Dig the inner cavity of drill bit, the working face of the subsequent construction of exposure.
In preferred scheme, the bottom end for cutting bamboo chip 71 is curve or oblique line, cut bamboo chip 71 by the side of proximal head to
Stage is extended to form outside.Bamboo chip 71 is cut as drill bit using bamboo, 1 is that materials are easy.2 be that will not damage wellhole 9 and rotary digging
Drill bit 8.
It further include anchor formula drill bit 5, the structure of anchor formula drill bit 5 in preferred scheme such as Fig. 5 ~ 8 are as follows: tube body 51 is equipped with extremely
The few two strut slots 56 along axial perforation outer wall, each strut slot 56 circumferentially, are equipped with piston slider in tube body 51
52, the lower end and 51 end of tube body of strut 54 are hinged, and the upper end of push rod 55 and piston slider 52 are hinged, in lower end and strut 54
Portion is hinged, and the top of tube body 51 with drilling rod 2 for connecting.Thus structure, piston slider 52 and 51 inner cavity of tube body constitute a class
Like the mechanism of hydraulic device, for opening strut 54 by high-pressure slurry, and it is supported on the inner cavity of rotary digging drill bit 8, and by
The structures such as the boss, such as reinforcing rib of 8 inner cavity of rotary digging drill bit are caught on, consequently facilitating reliably fixing rotary digging drill bit
8.Compared with other schemes, anchor formula drill bit 5 is easier to position, not high for the required precision of positioning, it is only necessary to extend into rotary digging
The inner cavity of drill bit 8 can reliably fix rotary digging drill bit 8, and success rate is very high.Further preferred strut slot 56 is 3
~ 4, corresponding strut 54 and push rod 55 are also 3 ~ 4, circumferentially uniformly distributed.
In preferred scheme such as Fig. 5 ~ 7, the top of strut slot 56 is equipped with the limit stage 53 of limit strut 54；Thus it ties
Structure, for accommodating strut 54, the position remained retracted.
Strut 54 and the hinged position in 51 end of tube body are equipped with spring, so that rotation income arrives strut slot 56 to strut 54 upwards
It is interior.Thus structure, convenient for retracting strut 54 automatically after support failure.It is also convenient for making strut when transferring anchor formula drill bit 5
54 keep the state retracted.
In preferred scheme, the strut 54 and push rod 55 are the structure of lower ends bent, and push rod 55 and strut 54 are cut with scissors
The end connect in succession is fork configuration.
In preferred scheme, the swing angle of the strut 54 is greater than 90 °；Thus structure, after making support fail,
Perhaps other problems are encountered during raising enables anchor formula drill bit 5 to disengage with rotary digging drill bit 8 or other barriers.
To be constructed after adjusting again.
In preferred scheme, strut 54 is flared to the internal diameter that maximum external diameter of a circle is greater than rotary digging drill bit 8.It needs
Illustrate, the effect of high-pressure slurry, mainly opens strut 54, fixed effect is mainly the support come between self-supporting rod 54
Power.When 54 end of strut touches the bulge-structure of 8 inner cavity of rotary digging drill bit, 54 end of strut is subject to downward force, becomes to making
Strut 54 continues to open, and since strut 54 is flared to the internal diameter that maximum external diameter of a circle is greater than rotary digging drill bit 8, thus
The opening angle of strut 54 is limited, rotary digging drill bit 8 is reliably fixed by realization.
As shown in figure 1, guide wheel 10 is mounted on 1 top of drill rod rack to preferred scheme, and the wirerope of winding plant 11, which bypasses, leads
It is connect after wheel 10 with drilling rod 2,2 outer wall of drilling rod is connect with mill drilling machine 3.Drill rod rack 1 is using inner ring tripod 101 and support three
The structure that corner bracket 103 connects, the structure of fixed annulus 102 except inner ring tripod 101, to provide reliable support.Wherein
Winding plant 11 provides the lifting driving of drilling rod 2 and each drill bit, and mill drilling machine 3 provides drilling rod 2 and the rotation of each drill bit is driven
Dynamic, guide wheel 10 is then for for being oriented to.It is additionally provided with slush pump, for providing Pressure Slurry.And mud circulating treating system, such as
Mud circulation canal, sedimentation basin, mud pit and filter device.
Embodiment 2:
A kind of construction method using above-mentioned rotary digging drill bit fishing device, comprising the following steps:
S1, installation include the drilling machine complete machine structure of drill rod rack 1, winding plant 11 and mill drilling machine 3, and drilling rod 2 is slidably mounted to
In guide wheel 10, drilling rod 2 uses standard segment 5m, the hollow drill of diameter 12cm.2 lower end of drilling rod and pectination rotary head 6 pass through screw thread
It is fixedly connected, 2 top of drilling rod is connect with slush pump, by winding plant 11 by drilling rod and drill bit segmentation down toward 9 corresponding height of wellhole
Afterwards, it opens slush pump and utilizes 63 circulation flushing of the first high pressure water service pipe, mill drilling machine 3 drives drilling rod to rotate integrally, and removes rotary digging
In 8 upper well 9 of drill bit and the boring mud and sticky mud on 8 surface of rotary digging drill bit, bored convenient for subsequent raising churning driven
First 8 construction, decompression drilling and lifting drilling rod are whole during the rinsing process；
S2, drilling rod and drill bit have been segmented risen to outside well, 2 lower end of drilling rod be changed to it is flat cut bamboo formula drill bit 7,2 top of drilling rod with
Drilling rod and drill bit are segmented after 9 corresponding height of wellhole by winding plant 11, open slush pump and utilize second by slush pump connection
72 circulation flushing of high pressure water service pipe, mill drilling machine 3 drive drilling rod to rotate integrally, and cut attached in the removal rotary digging drill bit 8 of bamboo chip 71
Object, clear up rotary digging drill bit 8 surface of internal cavity, reduce attachment, also can reduce the adhesive force of drill bit and mud；
S3, rotary digging drill bit 8 is risen out outside well；
In preferred scheme, in step S3, acting 8 method of rotary digging drill bit includes using tool in the prior art, such as fall
Hook tool rises, and reinforcing bar cage body tool rises, and has manually bound out or anchor formula drill bit 5 of the invention rises out；
The anchor formula drill bit 5 plays out scheme and 2 lower end of drilling rod is changed to anchor formula drill bit 5 as shown in Fig. 5 ~ 8 with reference to Fig. 1,
2 top of drilling rod is connect with slush pump, and drilling rod and drill bit are segmented in the rotary digging drill bit 8 in wellhole 9 by winding plant 11
Chamber, the depth of rotary digging drill bit 8 by before pectination rotary head 6 or it is flat cut the detection of bamboo formula drill bit 7 and obtain, or visited by sounding bob
Out；
After reaching position intracavitary in rotary digging drill bit 8, start slush pump, piston slider 52 is downward under the action of high-pressure slurry
Movement, push rod 55 opens strut 54, and strut 54 is supported on 8 inner wall of rotary digging drill bit, and by intracavitary convex in rotary digging drill bit 8
The structures clampings such as structure, such as reinforcing rib, stiffening ring, slush pump pressure maintaining are played, winding plant 11 is promoted, and drilling rod and drill bit are segmented
It rises out together with rotary digging drill bit 8 to except wellhole 9；
If in place, not starting slush pump, piston slider 52 is moved downward, and strut 54 can turn over support Interval, Support herein
Between be the rotation section for referring to the strut 54 for supporting 8 inner cavity of rotary digging drill bit, the rotation section of strut 54 is necessarily smaller than
90 °, that is, it is less than the angle vertical with tube body 51 of strut 54.By valve transfer recycled back pumping slurries, reply strut 54
Initial position finds 8 inner cavity of rotary digging drill bit again；Or when strut 54 can not reply initial position, raising drilling rod is whole, returns
Drilling rod and drill bit segmentation are found 8 inner cavity of rotary digging drill bit again to initial position by multiple strut 54 in wellhole 9.
Realize that rotary digging drill bit salvages construction by above step.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in technical characteristic in the absence of conflict, can mutual any combination.Guarantor of the invention
The technical solution that range should be recorded with claim is protected, being equal for technical characteristic replaces in the technical solution recorded including claim
Changing scheme is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of rotary digging drill bit fishing device, it is characterized in that: it includes pectination rotary head (6)；
In the pectination rotary head (6), the first high pressure water service pipe (63) lower end is connect with rotary head cylinder (61), rotary head cylinder (61)
Inner wall or outer wall are equipped with rotary head iron nail (62) or elastic wire along radial distribution, the first high pressure water service pipe (63) top and brill
Bar (2) connection, the side wall of rotary head cylinder (61) or/and bottom are equipped with apopore.
2. a kind of rotary digging drill bit fishing device according to claim 1, it is characterized in that: further including flat cutting bamboo formula drill bit
(7)；It is described it is flat cut in bamboo formula drill bit (7), cut bamboo chip (71) and be fixedly connected with the second high pressure water service pipe (72), cut bamboo chip
(71) shape is laminated structure, and the bottom end for cutting bamboo chip (71) is jagged；Second high pressure water service pipe (72) top and drilling rod (2)
Connection.
3. a kind of rotary digging drill bit fishing device according to claim 2, it is characterized in that: cutting the bottom end of bamboo chip (71)
For curve or oblique line, bamboo chip (71) are cut by the side of proximal head and extend outward to form stage.
4. described in any item a kind of rotary digging drill bit fishing devices according to claim 1 ~ 3, it is characterized in that: further including that anchor formula is bored
Head (5), the structure of anchor formula drill bit (5) are as follows: tube body (51) is equipped at least two strut slots (56) along axial perforation outer wall,
Each strut slot (56) circumferentially, is equipped with piston slider (52) in tube body (51), the lower end and tube body (51) of strut (54)
End is hinged, and hingedly, the middle part of lower end and strut (54) is hinged, tube body (51) for the upper end and piston slider (52) of push rod (55)
Top with drilling rod (2) for connecting.
5. a kind of rotary digging drill bit fishing device according to claim 4, it is characterized in that: the top of strut slot (56) is equipped with
Limit the limit stage (53) of strut (54)；
Strut (54) and the hinged position in tube body (51) end are equipped with spring, so that rotation income arrives strut slot to strut (54) upwards
(56) in.
6. a kind of rotary digging drill bit fishing device according to claim 5, it is characterized in that: the strut (54) and push rod
(55) be lower ends bent structure, push rod (55) and strut (54) articulated connection end be fork configuration.
7. a kind of rotary digging drill bit fishing device according to claim 6, it is characterized in that: the swing of the strut (54)
Angle is greater than 90 °；
Strut (54) is flared to the internal diameter that maximum external diameter of a circle is greater than rotary digging drill bit (8).
8. according to claim 1 ~ 3,5 ~ 7 described in any item a kind of rotary digging drill bit fishing devices, it is characterized in that: winding plant
(11) wirerope is connect with drilling rod (2) afterwards around guide wheel (10), and guide wheel (10) is mounted on drill rod rack (1) top, drilling rod (2)
Outer wall is connect with mill drilling machine (3).
9. a kind of construction method using rotary digging drill bit fishing device described in claim 2 ~ 8, it is characterized in that including following
Step: S1, rigging up and drilling rod (2), drilling rod (2) lower end are fixedly connected with pectination rotary head (6), drilling rod (2) top and mud
Drilling rod and drill bit are segmented after wellhole (9) corresponding height by winding plant (11), open slush pump and utilize first by pump connection
High pressure water service pipe (63) circulation flushing, mill drilling machine (3) drive drilling rod to rotate integrally, the boring mud in removal rotary digging drill bit (8),
Decompression drilling and lifting drilling rod are whole during the rinsing process；S2, it drilling rod and drill bit has been segmented has risen to outside well, drilling rod (2) lower end
Be changed to it is flat cut bamboo formula drill bit (7), drilling rod (2) top is connect with slush pump, by winding plant (11) by drilling rod and drill bit point
Section opens slush pump and utilizes second high pressure water service pipe (72) circulation flushing, mill drilling machine (3) after wellhole (9) corresponding height
It drives drilling rod to rotate integrally, cuts the attachment in bamboo chip (71) removal rotary digging drill bit (8), clear up the table of rotary digging drill bit (8)
Attachment is reduced in face；S3, rotary digging drill bit (8) are risen outside well；Realize that rotary digging drill bit salvages construction by above step.
10. a kind of construction method using rotary digging drill bit fishing device according to claim 9, it is characterized in that: step
In S3, acting rotary digging drill bit (8) method includes that barb tool rises, and reinforcing bar cage body rises, and has manually bound out or anchor formula is bored
Head (5) rises；The anchor formula drill bit (5) rises in scheme, drilling rod (2) lower end is changed to anchor formula drill bit (5), drilling rod (2)
Top is connect with slush pump, by winding plant (11) that the rotary digging drill bit (8) of drilling rod and drill bit segmentation in wellhole (9) is interior
Chamber, the depth of rotary digging drill bit (8) by before pectination rotary head (6) or it is flat cut bamboo formula drill bit (7) detection and obtain, or by surveying
Deep hammer is leant out；After in place, start slush pump, piston slider (52) moves downward under the action of high-pressure slurry, and push rod (55) will
Strut (54) opens, and strut (54) is supported on rotary digging drill bit (8) inner wall, and is clamped, slush pump pressure maintaining, winding plant (11)
It is promoted and rises together with rotary digging drill bit (8) by drilling rod and drill bit segmentation；If not in place, start slush pump, piston slider (52) to
Lower movement, strut (54) can turn over support Interval, by valve transfer recycled back pumping slurries, reply strut (54) initial
Rotary digging drill bit (8) inner cavity is found in position again；Or when strut (54) can not reply initial position, raising drilling rod is whole, returns
Drilling rod and drill bit segmentation are found rotary digging drill bit (8) inner cavity again to initial position by multiple strut (54) in wellhole (9).
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| CN109973040B CN109973040B (en) | 2021-08-13 |
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| CN111827914A (en) * | 2020-06-11 | 2020-10-27 | 中铁大桥局集团第五工程有限公司 | Combined fishing tool and fishing method for drill bit of inclined percussion drill in deepwater karst environment |
| CN111877300A (en) * | 2020-08-13 | 2020-11-03 | 中国建筑第八工程局有限公司 | Device is dragged for to stake hole rock specimen |
| CN111946288A (en) * | 2020-09-09 | 2020-11-17 | 中国石油天然气集团有限公司 | Drilling type male cone |
| CN112065272A (en) * | 2020-07-29 | 2020-12-11 | 无锡华夏中矿机电科技有限公司 | Modular anchor rod unit of tunneling, anchoring and protecting all-in-one machine |
| CN112973256A (en) * | 2021-04-25 | 2021-06-18 | 王海涛 | Ecological soil sewage treatment plant |
| CN113006726A (en) * | 2021-02-26 | 2021-06-22 | 中国一冶集团有限公司 | Adjustable lifting device for rapidly grabbing and dragging reinforcement cage in slurry hole |
| CN113389495A (en) * | 2021-07-28 | 2021-09-14 | 潍坊盛德石油机械制造有限公司 | PDC diamond bit capable of being salvaged while drilling |
| CN113775311A (en) * | 2021-09-23 | 2021-12-10 | 北京三一智造科技有限公司 | Fishing device and operation machine |
| CN114439404A (en) * | 2022-01-24 | 2022-05-06 | 重庆运满机械设备有限公司 | Drill bit fisher of rotary drilling rig |
| CN114687673A (en) * | 2022-03-04 | 2022-07-01 | 国网四川省电力公司经济技术研究院 | Drill bit of rotary drilling rig |
| CN116816284A (en) * | 2023-08-30 | 2023-09-29 | 陕西炬烽建筑劳务有限公司 | Highway construction operation digs soon and bores device |
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| CN111877300B (en) * | 2020-08-13 | 2021-08-10 | 中国建筑第八工程局有限公司 | Device is dragged for to stake hole rock specimen |
| CN111946288A (en) * | 2020-09-09 | 2020-11-17 | 中国石油天然气集团有限公司 | Drilling type male cone |
| CN113006726A (en) * | 2021-02-26 | 2021-06-22 | 中国一冶集团有限公司 | Adjustable lifting device for rapidly grabbing and dragging reinforcement cage in slurry hole |
| CN112973256B (en) * | 2021-04-25 | 2022-09-27 | 吉林省拓维环保集团股份有限公司 | Ecological soil sewage treatment plant |
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| CN113389495B (en) * | 2021-07-28 | 2022-04-22 | 潍坊盛德石油机械制造有限公司 | PDC diamond bit capable of being salvaged while drilling |
| CN113389495A (en) * | 2021-07-28 | 2021-09-14 | 潍坊盛德石油机械制造有限公司 | PDC diamond bit capable of being salvaged while drilling |
| CN113775311A (en) * | 2021-09-23 | 2021-12-10 | 北京三一智造科技有限公司 | Fishing device and operation machine |
| CN113775311B (en) * | 2021-09-23 | 2023-09-26 | 北京三一智造科技有限公司 | Fishing device and working machine |
| CN114439404A (en) * | 2022-01-24 | 2022-05-06 | 重庆运满机械设备有限公司 | Drill bit fisher of rotary drilling rig |
| CN114439404B (en) * | 2022-01-24 | 2023-01-24 | 重庆运满机械设备有限公司 | Drill bit fisher of rotary drilling rig |
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| CN116816284A (en) * | 2023-08-30 | 2023-09-29 | 陕西炬烽建筑劳务有限公司 | Highway construction operation digs soon and bores device |
| CN116816284B (en) * | 2023-08-30 | 2023-11-17 | 陕西炬烽建筑劳务有限公司 | Highway construction operation digs soon and bores device |
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Effective date of registration: 20220208 Address after: 430048 No. 11 Jinyinhu Road, Dongxihu District, Wuhan City, Hubei Province Patentee after: CCCC SECOND HARBOR ENGINEERING Co.,Ltd. Patentee after: CCCC Wuhan harbor engineering design and Research Institute Co., Ltd Address before: No.11, Dongxihu Road, Jinyinhu District, Wuhan City, Hubei Province Patentee before: CCCC SECOND HARBOR ENGINEERING Co.,Ltd. |