CN114439404A - Drill bit fisher of rotary drilling rig - Google Patents

Drill bit fisher of rotary drilling rig Download PDF

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Publication number
CN114439404A
CN114439404A CN202210076566.7A CN202210076566A CN114439404A CN 114439404 A CN114439404 A CN 114439404A CN 202210076566 A CN202210076566 A CN 202210076566A CN 114439404 A CN114439404 A CN 114439404A
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CN
China
Prior art keywords
sliding
fixedly connected
drill bit
groove
rotary drilling
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Granted
Application number
CN202210076566.7A
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Chinese (zh)
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CN114439404B (en
Inventor
刘士运
周光志
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Chongqing Yunman Mechanical Equipment Co ltd
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Chongqing Yunman Mechanical Equipment Co ltd
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Priority to CN202210076566.7A priority Critical patent/CN114439404B/en
Publication of CN114439404A publication Critical patent/CN114439404A/en
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Publication of CN114439404B publication Critical patent/CN114439404B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00Fishing for or freeing objects in boreholes or wells
    • E21B31/12Grappling tools, e.g. tongs or grabs
    • E21B31/18Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

The invention relates to the technical field of fishers, in particular to a drill bit fisher of a rotary drilling rig, which comprises a protective cylinder, wherein the upper end of the protective cylinder is fixedly connected with a square-head hinge rod, the outer wall of the protective cylinder is fixedly connected with a plurality of reinforcing ribs, the lower end of the protective cylinder is provided with a plurality of round holes, two of the round holes are provided with soil compacting components, the inner wall of the protective cylinder is fixedly connected with a limiting ferrule, each convex plate is connected to a second chute in a sliding manner, the side wall of each convex plate is also fixedly connected with a clamping block, the clamping block is clamped on a hollow groove in a matching manner, the hollow groove is formed in a support block, the support block is fixed on the limiting ferrule, and the front end of a sliding block is also connected with a barbed steel plate component. Make equipment can laminate and dig the chucking behind the drill bit soon, improve the success rate of salvaging by a wide margin.

Description

Drill bit fisher of rotary drilling rig
Technical Field
The invention relates to the technical field of fishers, in particular to a drill bit fisher of a rotary drilling rig.
Background
Dig soon and bore the construction equipment who is pore-forming operation among the suitable building foundation engineering, it extensively is used for municipal construction, highway bridge, foundation construction engineering such as high-rise building, will dig soon usually and bore and install and punch on the drilling rod telescopic boom, it is great because of rotatory dynamics to dig soon after punching to bore, thereby the screw thread at top can produce the rotation when work and appear becoming flexible the bottom that drops to the pore, for this reason need dig soon and bore and salvage, current salvage because of the inside aperture of soil is less and the degree of depth is great, for this reason the workman can't drag for the operation down, thereby adopt the mode of digging the utensil to salvage.
Current salvage the mode that adopts anchor clamps usually to fix digging the drill bit soon, then will dig the drill bit soon through the flexible arm of drilling rod and salvage out, nevertheless can appear less because of the aperture at the in-process of salvaging, cause anchor clamps can't move about in the inside of soil pit, thereby be difficult to the problem of chucking, thereby salvage the success rate not high, need oscilaltion many times to carry out the chucking, lead to salvaging the operation difficulty and consuming time for a long time, and current drill bit fixed knot constructs singlely, can appear because of digging the quality of drill bit soon great at the in-process of salvaging, cause the potential safety hazard that drops easily.
Disclosure of Invention
Technical problem to be solved
The drill bit fisher comprises a drill bit, a drill rod telescopic arm, a clamp, a fishing rod and a fishing rod, wherein the drill bit is fixed in a rotary drilling manner by adopting the clamp in the prior art, and then the rotary drilling manner is salvaged out through the drill rod telescopic arm.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that:
the drill bit fisher of the rotary drilling rig comprises a protective cylinder, the upper end of the protective cylinder is fixedly connected with a square-head hinge rod, the outer wall of the protective cylinder is fixedly connected with a plurality of reinforcing ribs, the lower end of the protective cylinder is provided with a plurality of round holes, soil compacting components are arranged on two of the round holes, the inner wall of the protective cylinder is fixedly connected with a limiting ferrule, the inner wall of the limiting ferrule is provided with a second chute, two opposite second chutes are provided with sliding sleeve components in a sliding manner, each sliding sleeve component comprises a sliding block, two ends of the sliding block are fixedly connected with convex plates, each convex plate is connected onto the second chute in a sliding manner, the side wall of each convex plate is also fixedly connected with a clamping block, the clamping blocks are clamped on empty grooves in a matching manner, the empty grooves are arranged on supporting blocks, the supporting blocks are also provided with clamping grooves, the clamping grooves are arranged at the front ends of the empty grooves, the supporting blocks are fixed on the limiting ferrule, the front end of the sliding block is also connected with a barb steel plate component.
Preferably, a fourth sliding groove is further formed in the limiting collar and is used for being movably connected to the sliding block, a first sliding groove is formed in the lower side of the fourth sliding groove, and a third sliding groove is formed in the upper end of the fourth sliding groove.
Preferably, the third sliding groove is in fit sliding connection with the upper positioning rod, and the fourth sliding groove is in fit sliding connection with the lower limiting block.
Preferably, the upper positioning rods are symmetrically arranged on the sliding block, the upper positioning rods are symmetrically arranged with the vertical central line of the upper side of the sliding block, sleeves are fixedly connected to the front ends of the sliding blocks, and the front end of each sleeve is slidably connected with a sliding sleeve.
Preferably, the lower end of the sliding sleeve is fixedly connected with a lower limiting block, a plurality of first springs are fixedly connected between the sliding sleeve and the sleeve, and the front end of the sliding sleeve is fixedly connected with a barbed steel plate.
As preferred, the activity groove has been seted up to the upper end both sides of going up the locating lever, every the activity groove all rotates and is connected with the commentaries on classics piece, every the torsional spring is installed with the inner wall in activity groove to the commentaries on classics piece, every change piece sliding connection at last constant head tank, it sets up in third spout upper end to go up the constant head tank.
Preferably, the fourth sliding chute is further fixedly connected with an arc-shaped guide plate.
Preferably, the soil compacting assembly comprises a support, the support is fixedly connected to the lower end of the pile casing, the inner walls of the two opposite supports are rotatably connected with rotating shafts, each rotating shaft is fixedly connected with a rotating column, each rotating column is fixedly connected with a vertical plate on the outer wall, and shovel plates are fixedly connected to two sides of the upper end of each vertical plate.
Preferably, the barb steel plate component comprises a barb steel plate, and the barb steel plate is provided with a drill clamping groove.
Preferably, the lower end of the barbed steel plate is provided with a pressing groove, the pressing groove is connected with an inclined plate in a sliding mode, a second spring is installed between the inclined plate and the pressing groove, and the barbed steel plate is provided with friction grains.
Compared with the prior art, the invention has the following beneficial effects:
the distance between the two barb steel plates is adjusted, and then the width of a rotary drilling bit is fitted, when the lower end drill bit clamping grooves of the two barb steel plates are contacted with the rotary drilling bit, the lower end drill bit clamping grooves are arranged through a first spring and reset, then downward movement equipment is carried out, two sliding blocks slide through pressure, so that the upper positioning rod at the upper end is moved, the upper positioning rod is contacted with a third sliding groove and an upper positioning groove, through the arrangement of a torsional spring, the upper positioning rod extends into the upper positioning groove through the rotation of a rotating block when passing through the third sliding groove, and resets after being arranged on the upper positioning groove, the sliding blocks rotate along a fourth sliding groove so as to drive a clamping block to be contacted with a hollow groove to implement clamping, the height of a fisher is controlled through a drill rod telescopic arm, then the fisher is rotated to be embedded with the drill bit, and the drill bit is fixed after the embedded drill bit, the fishing tool is lifted by the drill rod to smoothly fish the drill bit out of the hole, so that the equipment can effectively solve the problem of fishing without manual drilling, the problem that the gap between the drill bit and the inner wall of the well hole is small in the prior art is solved conveniently and quickly, the equipment can be attached to the drill bit and then clamped, and the success rate of fishing is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a drill bit fisher of a rotary drilling rig according to the invention;
FIG. 2 is a schematic diagram of the internal structure of a protective cylinder of the drill bit fisher of the rotary drilling rig of the invention;
FIG. 3 is a schematic structural diagram of a limiting ferrule of the drill bit fisher of the rotary drilling rig of the invention;
FIG. 4 is an enlarged schematic structural view of the drill bit fisher of the rotary drilling rig in FIG. 3 at the position A;
FIG. 5 is a schematic structural diagram of a sliding sleeve assembly of the drill bit fisher of the rotary drilling rig of the invention;
FIG. 6 is a schematic structural diagram of a rotary block of the rotary drilling rig drill bit fisher of the invention;
FIG. 7 is a schematic structural diagram of an upper positioning groove of the drill bit fisher of the rotary drilling rig of the invention;
FIG. 8 is a schematic structural view of a third chute of the drill bit fisher of the rotary drilling rig of the invention;
FIG. 9 is a schematic structural diagram of a soil compacting assembly of the drill bit fisher of the rotary drilling rig of the invention;
FIG. 10 is a schematic structural view of a pressure groove of the drill bit fisher of the rotary drilling rig of the invention;
FIG. 11 is an enlarged schematic structural view of the drill bit fisher of the rotary drilling rig of the invention at B in FIG. 10.
In the figure: 1. a square head hinge rod; 2. protecting the cylinder; 3. a circular hole; 4. a barbed steel plate component; 401. a barbed steel plate; 402. a drill bit clamping groove; 403. pressing a groove; 404. a sloping plate; 405. a second spring; 5. a soil compacting assembly; 501. turning the column; 502. a vertical plate; 503. a shovel plate; 504. a rotating shaft; 505. a support; 6. reinforcing ribs; 7. a sliding sleeve assembly; 701. a slider; 702. an upper positioning rod; 703. a sleeve; 704. a sliding sleeve; 705. a lower limiting block; 706. a convex plate; 707. a first spring; 708. a torsion spring; 709. rotating the block; 710. a movable groove; 711. a clamping block; 8. a limiting ferrule; 801. supporting a block; 802. an arc-shaped guide plate; 803. a first chute; 804. a second chute; 805. an upper positioning groove; 806. a third chute; 807. a card slot; 808. an empty groove; 809. and a fourth chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 to 11, the drill bit fisher of the rotary drilling rig comprises a protective cylinder 2, a square-head hinge rod 1 is fixedly connected to the upper end of the protective cylinder 2, a plurality of reinforcing ribs 6 are fixedly connected to the outer wall of the protective cylinder 2, a plurality of round holes 3 are formed in the lower end of the protective cylinder 2, soil compacting assemblies 5 are mounted on the two round holes 3, a limiting ferrule 8 is fixedly connected to the inner wall of the protective cylinder 2, a second sliding groove 804 is formed in the inner wall of the limiting ferrule 8, sliding sleeve assemblies 7 are slidably mounted on the two opposite second sliding grooves 804, each sliding sleeve assembly 7 comprises a sliding block 701, protruding plates 706 are fixedly connected to the two ends of each sliding block 701, each protruding plate 706 is slidably connected to the second sliding groove 804, a clamping block 711 is fixedly connected to the side wall of each protruding plate 706, the clamping blocks 711 are fittingly clamped to a hollow groove 808, the hollow grooves 808 are formed in the supporting blocks 801, clamping grooves 807 are formed in the front ends of the hollow grooves 808, the support block 801 is fixed on the limiting ferrule 8, and the front end of the sliding block 701 is also connected with a barbed steel plate component 4.
In this embodiment, a fourth sliding groove 809 is further formed in the limiting ferrule 8, the fourth sliding groove 809 is used for being movably connected to the sliding block 701, a first sliding groove 803 is formed in the lower side of the fourth sliding groove 809, a third sliding groove 806 is formed in the upper end of the fourth sliding groove 809, the device is fixed on the drill rod telescopic arm through the square-head hinge rod 1, then the two barb steel plates 401 at the lower end of the device are attached to the rotary drilling bit through the drill rod telescopic arm, the device is driven to move downwards, the distance between the two barb steel plates 401 is adjusted through the arrangement of the sliding sleeve 704 and the first spring 707 during movement, the width of the rotary drilling bit is further fitted, and the lower end drill clamping grooves 402 of the two barb steel plates 401 are in contact with the rotary drilling bit
In this embodiment, the third sliding slot 806 is connected to the upper positioning rod 702 in a sliding manner, the fourth sliding slot 809 is connected to the lower limiting block 705 in a sliding manner, the upper positioning rod 702 is set by the first spring 707 and reset, and then the device is moved downwards, so that the two sliding blocks 701 slide by pressure, the upper positioning rod 702 at the upper end is moved, the upper positioning rod 702 is contacted with the third sliding slot 806 and the upper positioning slot 805, the upper positioning rod 702 is set by the torsion spring 708, so that the upper positioning rod 702 extends into the upper positioning slot 805 by the rotation of the rotating block 709 when passing through the third sliding slot 806, and is reset after being arranged in the upper positioning slot 805, the sliding block 701 is rotated along the fourth sliding slot 809 by the rotating device, and the clamping block 711 is driven to contact with the empty slot 808 to implement clamping.
In this embodiment, it sets up on slider 701 to go up the locating lever 702 to be the symmetry, it sets up with the vertical center line symmetry of the upside of slider 701 to go up the locating lever 702, slider 701's front end fixedly connected with sleeve 703, the front end sliding connection of every sleeve 703 has sliding sleeve 704, height through the flexible arm control fisher of drilling rod, then rotatory fisher is with the gomphosis drill bit, fix the drill bit behind the gomphosis drill bit, it salvages the hole smoothly with the drill bit to carry the fisher with the card dead drill bit rethread drilling rod, this equipment can effectively solve no artifical lower hole fishing operation, and convenient and fast has overcome among the prior art and has dug the problem that the clearance is little between drill bit and the wellhole inner wall soon, make equipment laminate and carry out the chucking behind the rotary drilling drill bit, the success rate of salvaging is improved by a wide margin.
In this embodiment, a lower limiting block 705 is fixedly connected to the lower end of a sliding sleeve 704, a plurality of first springs 707 are fixedly connected between the sliding sleeve 704 and a sleeve 703, a barbed steel plate 401 is fixedly connected to the front end of the sliding sleeve 704, when the sliding sleeve 704 and the first springs 707 move, the distance between the two barbed steel plates 401 is adjusted to fit the width of the rotary drilling bit, when the lower drill neck 402 of the two barbed steel plates 401 contacts the rotary drilling bit, the lower drill neck is reset through the first springs 707, then the downward movement device is performed, two sliding blocks 701 slide through pressure, the upper positioning rod 702 extends into an upper positioning groove 805 through rotation of a rotating block 709 when passing through a third sliding chute 806, then a fisher is rotated to embed the drill bit, the drill bit is fixed after embedding of the drill bit, the drill bit is blocked and then the drill bit is smoothly fished out through a drill bit lifting fisher, the equipment can effectively solve the problem of no manual hole descending fishing operation, and the problem of small clearance between the rotary drilling bit and the inner wall of the well hole in the prior art is overcome conveniently and quickly, so that the equipment can be clamped after the rotary drilling bit is attached, and the fishing success rate is greatly improved.
In this embodiment, the two sides of the upper end of the upper positioning rod 702 are provided with movable slots 710, each movable slot 710 is rotatably connected with a rotating block 709, the inner walls of each rotating block 709 and the movable slot 710 are provided with a torsion spring 708, each rotating block 709 is slidably connected with an upper positioning groove 805, and the upper positioning groove 805 is arranged at the upper end of the third sliding groove 806.
In this embodiment, the fourth chute 809 is further fixedly connected with an arc-shaped guide plate 802.
In this embodiment, the soil compacting assembly 5 includes a bracket 505, the bracket 505 is fixedly connected to the lower end of the casing 2, the inner walls of two opposite brackets 505 are rotatably connected with a rotating shaft 504, each rotating shaft 504 is fixedly connected with a rotating column 501, the outer wall of each rotating column 501 is fixedly connected with a vertical plate 502, and both sides of the upper end of each vertical plate 502 are fixedly connected with a shovel plate 503.
In this embodiment, the barbed steel plate component 4 includes a barbed steel plate 401, and the barbed steel plate 401 is opened with a drill catching groove 402.
In this embodiment, a pressing groove 403 is formed in a lower end of the barbed steel plate 401, an inclined plate 404 is slidably connected to the pressing groove 403, a second spring 405 is installed between the inclined plate 404 and the pressing groove 403, and friction grains are arranged on the barbed steel plate 401.
The working principle of the drill bit fisher of the rotary drilling rig is as follows: the equipment is fixed on a drill rod telescopic arm through a square head hinged rod 1, then two barb steel plates 401 at the lower end of the equipment are tightly attached to a rotary drilling bit through the drill rod telescopic arm, then the equipment is driven to move downwards, the distance between the two barb steel plates 401 is adjusted through the arrangement of a sliding sleeve 704 and a first spring 707 during moving, then the width of the rotary drilling bit is attached, when lower end drill bit clamping grooves 402 of the two barb steel plates 401 are contacted with the rotary drilling bit, the barb steel plates are arranged through the first spring 707 for resetting, then the equipment is moved downwards, two sliding blocks 701 are slid through pressure, so that an upper positioning rod 702 at the upper end is moved, the upper positioning rod 702 is contacted with a third sliding groove 806 and an upper positioning groove 805, through the arrangement of a torsion spring 708, the upper positioning rod 702 is extended into the upper positioning groove 805 through the rotation of a rotating block 709 when passing through the third sliding groove 806, reset after settling last constant head tank 805, at rotating equipment, make slider 701 rotate along fourth spout 809, thereby drive chucking piece 711 contact dead slot 808 and implement the chucking, height through the flexible arm control fisher of drilling rod, then rotatory fisher is with the gomphosis drill bit, fix the drill bit behind the gomphosis drill bit, carry and pull the fisher smoothly with the card dead drill bit rethread drilling rod and salvage the hole with the drill bit, this equipment can effectively solve no artifical lower hole fishing operation, and convenient and fast has overcome among the prior art and has dug the little problem in clearance between drilling bit and the borehole inner wall soon, make equipment can laminate and dig the chucking behind the drill bit soon, the success rate of salvaging is improved by a wide margin.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. Dig rig drill bit fisher soon, including protecting a section of thick bamboo (2), its characterized in that: the upper end of the protective cylinder (2) is fixedly connected with a square-head hinge rod (1), the outer wall of the protective cylinder (2) is fixedly connected with a plurality of reinforcing ribs (6), the lower end of the protective cylinder (2) is provided with a plurality of round holes (3), two round holes (3) are provided with soil compacting assemblies (5), the inner wall of the protective cylinder (2) is fixedly connected with a limiting ferrule (8), the inner wall of the limiting ferrule (8) is provided with a second chute (804), two opposite second chutes (804) are provided with sliding sleeve assemblies (7) in a sliding manner, each sliding sleeve assembly (7) comprises a sliding block (701), two ends of each sliding block (701) are fixedly connected with convex plates (706), each convex plate (706) is connected to the second chute (804) in a sliding manner, the side wall of each convex plate (706) is also fixedly connected with a clamping block (711) which is matched with a hollow groove (808), the hollow groove (808) is formed in the supporting block (801), the clamping groove (807) is further formed in the supporting block (801), the clamping groove (807) is formed in the front end of the hollow groove (808), the supporting block (801) is fixed on the limiting ferrule (8), and the front end of the sliding block (701) is further connected with the barb steel plate assembly (4).
2. The rotary drilling rig drill bit fisher according to claim 1, wherein: a fourth sliding groove (809) is further formed in the limiting ferrule (8), the fourth sliding groove (809) is used for being movably connected to the sliding block (701), a first sliding groove (803) is formed in the lower side of the fourth sliding groove (809), and a third sliding groove (806) is formed in the upper end of the fourth sliding groove (809).
3. The rotary drilling rig drill bit fisher according to claim 2, wherein: the third sliding groove (806) is connected with the upper positioning rod (702) in a matched and sliding mode, and the fourth sliding groove (809) is connected with the lower limiting block (705) in a matched and sliding mode.
4. The rotary drilling rig drill bit fisher according to claim 3, wherein: the upper positioning rod (702) is symmetrically arranged on the sliding block (701), the upper positioning rod (702) is symmetrically arranged by the vertical central line of the upper side of the sliding block (701), the front end of the sliding block (701) is fixedly connected with a sleeve (703), and the front end of each sleeve (703) is slidably connected with a sliding sleeve (704).
5. The rotary drilling rig drill bit fisher according to claim 4, wherein: the lower end of the sliding sleeve (704) is fixedly connected with a lower limiting block (705), a plurality of first springs (707) are fixedly connected between the sliding sleeve (704) and the sleeve (703), and the front end of the sliding sleeve (704) is fixedly connected with a barb steel plate (401).
6. The rotary drilling rig drill bit fisher according to claim 5, wherein: go up the upper end both sides of locating lever (702) and seted up movable groove (710), every activity groove (710) all rotates and is connected with commentaries on classics piece (709), every torsional spring (708) are installed with the inner wall in activity groove (710) to commentaries on classics piece (709) sliding connection is at last constant head tank (805), go up constant head tank (805) and set up in third spout (806) upper end.
7. The rotary drilling rig drill bit fisher according to claim 1, wherein: the fourth sliding chute (809) is also fixedly connected with an arc-shaped guide plate (802).
8. The rotary drilling rig drill bit fisher according to claim 1, wherein: the soil compacting assembly (5) comprises a support (505), the support (505) is fixedly connected to the lower end of the pile casing (2), the support (505) is opposite to the lower end of the pile casing, the inner wall of the support (505) is rotatably connected with a rotating shaft (504), each rotating shaft (504) is fixedly connected with a rotating column (501), each rotating column (501) is fixedly connected with a vertical plate (502) and each shovel plate (503) are fixedly connected to two sides of the upper end of the vertical plate (502).
9. The rotary drilling rig drill bit fisher according to claim 1, wherein: the barb steel plate component (4) comprises a barb steel plate (401), and a drill clamping groove (402) is formed in the barb steel plate (401).
10. The rotary drilling rig drill bit fisher according to claim 9, wherein: the lower extreme of barb steel sheet (401) has seted up indent (403), sliding connection has swash plate (404) on indent (403), install second spring (405) between swash plate (404) and indent (403), be provided with friction line on barb steel sheet (401).
CN202210076566.7A 2022-01-24 2022-01-24 Drill bit fisher of rotary drilling rig Active CN114439404B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115788343A (en) * 2023-02-07 2023-03-14 胜利油田万和石油工程技术有限责任公司 Drill bit fishing device

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588165A (en) * 1968-03-19 1971-06-28 Oemv Ag Fishing device for deep wells
US3807785A (en) * 1972-12-15 1974-04-30 Natt J Mc Setting and fishing tool
SU580306A1 (en) * 1975-12-11 1977-11-15 Специальное Конструкторское Бюро Научно-Производственного Объединения "Геотехника" Fishing tool for tubular objects
CN87208555U (en) * 1987-05-26 1988-05-18 李保秋 Finger-protective gear type fisher
US4877085A (en) * 1988-12-27 1989-10-31 Pullig Jr Joe G Manually operated spear apparatus
RU2016187C1 (en) * 1991-06-10 1994-07-15 Куртов Вениамин Дмитриевич Catcher for a flexible member
RU2310060C1 (en) * 2006-05-23 2007-11-10 Николай Митрофанович Панин Borehole fishing device
FR2987646A1 (en) * 2012-03-02 2013-09-06 Technidrill Locking and/or unlocking device for head of coring bit in drilling well, has spring interposed between anchoring point that includes pin slidably mounted inside compression part and another anchor point that includes proximal end of device
CN108222877A (en) * 2018-01-29 2018-06-29 上海广大基础工程有限公司 A kind of drilling rod fishing device
CN109057737A (en) * 2018-10-31 2018-12-21 长江大学 A kind of down-hole fishing device that can be operated repeatedly
CN109973040A (en) * 2019-04-29 2019-07-05 中交第二航务工程局有限公司 Rotary digging drill bit fishing device and construction method
CN110485962A (en) * 2019-09-04 2019-11-22 江苏省交通工程集团有限公司 A kind of drum type brake bit-fishing unit and construction method
CN210685908U (en) * 2019-08-29 2020-06-05 南宁市红宝机械有限责任公司 Rotary drilling bit fisher
CN111236221A (en) * 2020-01-20 2020-06-05 中利建设集团有限公司 Construction process of rotary digging pile
CN212803127U (en) * 2020-08-12 2021-03-26 湖南中耀交通工程有限公司 Light drill bit fisher for pile foundation punching engineering
CN113047800A (en) * 2021-03-31 2021-06-29 成都欣皓地基基础工程有限责任公司 Rotary digging drill bit fisher
CN214118128U (en) * 2020-12-07 2021-09-03 广西欧钻机械设备有限公司 Square head seat fishing tool

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588165A (en) * 1968-03-19 1971-06-28 Oemv Ag Fishing device for deep wells
US3807785A (en) * 1972-12-15 1974-04-30 Natt J Mc Setting and fishing tool
SU580306A1 (en) * 1975-12-11 1977-11-15 Специальное Конструкторское Бюро Научно-Производственного Объединения "Геотехника" Fishing tool for tubular objects
CN87208555U (en) * 1987-05-26 1988-05-18 李保秋 Finger-protective gear type fisher
US4877085A (en) * 1988-12-27 1989-10-31 Pullig Jr Joe G Manually operated spear apparatus
RU2016187C1 (en) * 1991-06-10 1994-07-15 Куртов Вениамин Дмитриевич Catcher for a flexible member
RU2310060C1 (en) * 2006-05-23 2007-11-10 Николай Митрофанович Панин Borehole fishing device
FR2987646A1 (en) * 2012-03-02 2013-09-06 Technidrill Locking and/or unlocking device for head of coring bit in drilling well, has spring interposed between anchoring point that includes pin slidably mounted inside compression part and another anchor point that includes proximal end of device
CN108222877A (en) * 2018-01-29 2018-06-29 上海广大基础工程有限公司 A kind of drilling rod fishing device
CN109057737A (en) * 2018-10-31 2018-12-21 长江大学 A kind of down-hole fishing device that can be operated repeatedly
CN109973040A (en) * 2019-04-29 2019-07-05 中交第二航务工程局有限公司 Rotary digging drill bit fishing device and construction method
CN210685908U (en) * 2019-08-29 2020-06-05 南宁市红宝机械有限责任公司 Rotary drilling bit fisher
CN110485962A (en) * 2019-09-04 2019-11-22 江苏省交通工程集团有限公司 A kind of drum type brake bit-fishing unit and construction method
CN111236221A (en) * 2020-01-20 2020-06-05 中利建设集团有限公司 Construction process of rotary digging pile
CN212803127U (en) * 2020-08-12 2021-03-26 湖南中耀交通工程有限公司 Light drill bit fisher for pile foundation punching engineering
CN214118128U (en) * 2020-12-07 2021-09-03 广西欧钻机械设备有限公司 Square head seat fishing tool
CN113047800A (en) * 2021-03-31 2021-06-29 成都欣皓地基基础工程有限责任公司 Rotary digging drill bit fisher

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
兰方鑫等: "旋挖钻机施工时孔内事故的处理", 《探矿工程(岩土钻掘工程)》 *
潘小叶: "卡夹式打捞钻头及打捞工艺", 《煤矿安全》 *
马明城: "矿用卡夹式打捞钻头及打捞工艺流程的分析", 《机械管理开发》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115788343A (en) * 2023-02-07 2023-03-14 胜利油田万和石油工程技术有限责任公司 Drill bit fishing device

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