CN114439404B - Drill bit fisher of rotary drilling rig - Google Patents
Drill bit fisher of rotary drilling rig Download PDFInfo
- Publication number
- CN114439404B CN114439404B CN202210076566.7A CN202210076566A CN114439404B CN 114439404 B CN114439404 B CN 114439404B CN 202210076566 A CN202210076566 A CN 202210076566A CN 114439404 B CN114439404 B CN 114439404B
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- sliding
- fixedly connected
- drill bit
- groove
- block
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
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 onto a second sliding chute in a sliding mode, the side wall of each convex plate is also fixedly connected with a clamping block, the clamping block can be clamped on a hollow groove in a matched mode, the hollow groove is formed in a support block, the support block is fixed on the limiting ferrule, and the front end of the sliding block is also connected with a barbed steel plate component.
Description
Technical Field
The invention relates to the technical field of fishers, in particular to a drill bit fisher of a rotary drilling rig.
Background
The rotary drilling rig is widely applied to foundation construction projects such as municipal construction, highway bridges and high-rise buildings, and is generally installed on a drill rod telescopic arm to drill soil, the rotary drilling rig is large in rotating force after drilling, threads at the top can rotate during working, so that the threads are loosened and fall to the bottom of a soil pit, the rotary drilling rig needs to be salvaged, the conventional salvage is small in inner aperture of soil and large in depth, and workers cannot perform the downward salvage operation, so that the salvage is performed in a digging tool mode.
The current mode of salvaging usually adopting anchor clamps is fixed 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 in the in-process of salvaging because of the aperture is less, 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 the oscilaltion of a lot of to carry out the chucking, lead to salvaging the operation difficulty and time consuming long, 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, wherein a square-head hinge rod is fixedly connected to the upper end of the protective cylinder, a plurality of reinforcing ribs are fixedly connected to the outer wall of the protective cylinder, a plurality of round holes are formed in the lower end of the protective cylinder, soil compacting assemblies are mounted on two of the round holes, a limiting ferrule is fixedly connected to the inner wall of the protective cylinder, a second chute is formed in the inner wall of the limiting ferrule, sliding sleeve assemblies are slidably mounted on two opposite second chutes, each sliding sleeve assembly comprises a sliding block, protruding plates are fixedly connected to two ends of each sliding block, each protruding plate is slidably connected to the corresponding second chute, a clamping block is fixedly connected to the side wall of each protruding plate and can be matched and clamped on a hollow groove, the hollow groove is formed in a supporting block, a clamping groove is formed in the front end of the hollow groove, the supporting block is fixed to the limiting ferrule, and the front end of the sliding block is further connected with a barb steel plate assembly;
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, the outer wall of each rotating column is fixedly connected with a vertical plate, and both sides of the upper end of each vertical plate are fixedly connected with shovel plates;
the barb steel plate component comprises a barb steel plate, and the barb steel plate is provided with a drill bit clamping groove;
the lower extreme of barb steel sheet has seted up the indent, sliding connection has the swash plate on the indent, install the second spring between swash plate and the indent, be provided with friction line on the barb steel sheet.
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 chute can be matched and slidably connected with the upper positioning rod, and the fourth sliding chute can be matched and slidably connected with the lower limiting block;
the upper positioning rods are symmetrically arranged on the sliding block and symmetrically arranged with the vertical central line of the upper side of the sliding block, sleeves are fixedly connected with the front ends of the sliding blocks, and the front end of each sleeve is slidably connected with a sliding sleeve;
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 barb 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 the commentaries on classics piece can sliding connection at last constant head tank, go up the constant head tank and offer in the third spout upper end.
Preferably, the fourth chute is further fixedly connected with an arc-shaped guide plate.
Compared with the prior art, the invention has the following beneficial effects:
make the interval between two barb steel sheets adjust, and then the laminating is dug the width of drill bit soon, the lower extreme drill bit draw-in groove of two barb steel sheets contacts when digging the drill bit soon, set up through first spring, reset, then move equipment downwards, make two sliders slide through pressure, thereby make the upper end go up the locating lever and remove, it contacts third spout and last constant head tank to go up the locating lever, setting through the torsional spring, thereby make the upper locating lever stretch into supreme constant head tank through the rotation of turning block when passing the third spout, reset after settling the last constant head tank, rotate equipment again, make the slider rotate along the fourth spout, thereby it implements the chucking to drive chucking piece contact the dead slot, through the height of flexible arm control fisher of drilling rod, then rotatory fisher with gomphosis drill bit, fix the drill bit behind the gomphosis drill bit, carry out the drill bit salvage hole smoothly with the drill bit of blocking drill bit rethread drill rod pull, this equipment can effectively solve the work of salvaging without manual work down, and conveniently and swiftly overcome the problem of digging a little clearance between drill bit and the inner wall soon among the prior art, make equipment can improve the laminating by a wide margin.
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 rotary drilling rig bit fisher of the invention;
FIG. 4 is an enlarged schematic structural view of the drill bit fisher of the rotary drilling rig of the invention at the position A in FIG. 3;
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 view 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 diagram 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, an upper end fixedly connected with square-head hinge rod 1 of the protective cylinder 2, a plurality of reinforcing ribs 6 fixedly connected with 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, and soil compacting assemblies 5 are installed on the two round holes 3, a limiting ring 8 is fixedly connected with the inner wall of the protective cylinder 2, a second sliding groove 804 is formed in the inner wall of the limiting ring 8, sliding sleeve assemblies 7 are slidably installed 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 two ends of the 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 block 711 can be clamped to an empty groove 808 in a matched manner, the empty groove 808 is formed in the supporting block 801, a clamping groove 807 is formed in the supporting block 801, the clamping groove 807 is arranged at the front end of the empty groove 808, the supporting block 801 is fixed to the limiting ring 8, and a barbed steel plate assembly 4 is further connected to the front end of the sliding block 701.
In this embodiment, a fourth sliding groove 809 has been further formed in the limiting collar 8, the fourth sliding groove 809 is used for being movably connected to the sliding block 701, a first sliding groove 803 has been formed in the lower side of the fourth sliding groove 809, a third sliding groove 806 has been 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 two barbed 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 barbed 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 barbed steel plates 401 are in contact with the rotary drilling bit.
In this embodiment, the third sliding slot 806 can cooperate sliding connection with the upper positioning rod 702, the fourth sliding slot 809 can cooperate sliding connection with the lower limiting block 705, set up through the first spring 707, reset, then move the device downwards, slide through two sliders 701 under pressure, thereby make the upper positioning rod 702 of the upper end move, contact with the third sliding slot 806 and the upper positioning slot 805 at the upper positioning rod 702, set up through the torsion spring 708, thereby make the upper positioning rod 702 stretch into the upper positioning slot 805 through the rotation of the rotating block 709 when passing through the third sliding slot 806, reset after settling the upper positioning slot 805, rotate the device again, make the slider 701 rotate along the fourth sliding slot 809, thereby drive the chucking block 711 to contact with the empty slot 808 to implement chucking.
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, 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, the front end of the sliding sleeve 704 is fixedly connected with the barbed steel plates 401, the barbed steel plates are arranged through the sliding sleeve 704 and the first springs 707 when moving, the distance between the two barbed steel plates 401 is adjusted, the width of a rotary drilling bit is further fitted, the lower end bit clamping grooves 402 of the two barbed steel plates 401 are in contact with the rotary drilling bit, the barbed steel plates are arranged through the first springs 707 and reset, then the device is moved downwards, the two sliding blocks 701 slide through pressure, the upper positioning rod 702 extends into the upper positioning groove through the rotation of the rotating block 709 when passing through the third sliding groove 806, then the fishing tool is rotated to be engaged with the engaged bit, the drill bit is fixed after the engaged with the drill bit, the fishing tool is smoothly fished out through the drill bit lifting tool by the drill rod, the fishing tool without manual lower hole fishing operation can be effectively solved, the problem that the gap between the rotary drilling tool and the inner wall of the drill bit is small in the prior art can be conveniently and quickly overcome, the problem that the gap between the rotary drilling tool and the drilling tool is tight, the drilling tool can be clamped by a large margin, the device, and the success rate of the fishing hole can be greatly improved.
In this embodiment, the two sides of the upper end of the upper positioning rod 702 are provided with movable grooves 710, each movable groove 710 is rotatably connected with a rotating block 709, the inner walls of each rotating block 709 and the movable groove 710 are provided with a torsion spring 708, each rotating block 709 can be slidably connected with an upper positioning groove 805, and the upper positioning groove 805 is arranged at the upper end of the third sliding chute 806.
In this embodiment, the arc-shaped guide plate 802 is further fixedly connected to the fourth sliding chute 809.
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 at the 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 provided 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, and through the arrangement of a torsion spring 708, thereby make the upper positioning pole 702 stretch into supreme constant head tank 805 through the rotation of turning block 709 when passing third spout 806, reset after settling last constant head tank 805, equipment rotates again, make slider 701 rotate along fourth spout 809, thereby drive chucking piece 711 and contact dead slot 808 and implement the chucking, the 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 out the fisher with the drilling rod with the card dead drill bit rethread and salvage the drill bit smoothly and go out the hole, 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 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 broad features of the present invention and 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 (5)
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 can be matched with a clamping groove (808), the clamping groove (808) is arranged on the clamping groove (801), the barb block (801) is also provided with a barb block (807), the clamping groove (807) is arranged on the front end of the steel plate (701), and the clamping groove (701) is connected with a steel plate (701);
the soil compacting assembly (5) comprises supports (505), the supports (505) are fixedly connected to the lower end of the pile casing (2), the inner walls of the two opposite supports (505) are rotatably connected with rotating shafts (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 shovel plates (503);
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);
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).
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) can be matched and slidably connected with the upper positioning rod (702), and the fourth sliding groove (809) can be matched and slidably connected with the lower limiting block (705);
the upper positioning rods (702) are symmetrically arranged on the sliding block (701), the upper positioning rods (702) are symmetrically arranged by the vertical central line of the upper side of the sliding block (701), sleeves (703) are fixedly connected to the front end of the sliding block (701), and the front end of each sleeve (703) is slidably connected with a sliding sleeve (704);
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).
4. The rotary drilling rig drill bit fisher according to claim 3, wherein: go up the upper end both sides of locating lever (702) and seted up activity groove (710), every activity groove (710) all rotates and is connected with commentaries on classics piece (709), every torsion spring (708) are installed with the inner wall in activity groove (710) to commentaries on classics piece (709), every commentaries on classics piece (709) can sliding connection at last constant head tank (805), go up constant head tank (805) and set up in third spout (806) upper end.
5. The rotary drilling rig drill bit fisher according to claim 2, wherein: the fourth sliding chute (809) is also fixedly connected with an arc-shaped guide plate (802).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076566.7A CN114439404B (en) | 2022-01-24 | 2022-01-24 | Drill bit fisher of rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076566.7A CN114439404B (en) | 2022-01-24 | 2022-01-24 | Drill bit fisher of rotary drilling rig |
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| CN114439404A CN114439404A (en) | 2022-05-06 |
| CN114439404B true CN114439404B (en) | 2023-01-24 |
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| CN202210076566.7A Active CN114439404B (en) | 2022-01-24 | 2022-01-24 | Drill bit fisher of rotary drilling rig |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115788343B (en) * | 2023-02-07 | 2023-04-25 | 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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| 卡夹式打捞钻头及打捞工艺;潘小叶;《煤矿安全》;20200320(第03期);全文 * |
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