CN114165172A - Firm formula of supporting is rescued and is used drilling rod and drill bit structure - Google Patents
Firm formula of supporting is rescued and is used drilling rod and drill bit structure Download PDFInfo
- Publication number
- CN114165172A CN114165172A CN202111519424.5A CN202111519424A CN114165172A CN 114165172 A CN114165172 A CN 114165172A CN 202111519424 A CN202111519424 A CN 202111519424A CN 114165172 A CN114165172 A CN 114165172A
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- Prior art keywords
- abutting
- driving
- rod
- floating
- pressing
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- 238000005553 drilling Methods 0.000 title description 6
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 15
- 239000011449 brick Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (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 discloses a stable pressing type rescue drill rod and drill bit structure, which comprises a stable pressing mechanism; according to the invention, the stable pressing mechanism is arranged at the upper end of the driving plate, the pressing column is downwards extruded through the stable elastic body, the pressing ring body is downwards extruded through the pressing column, and the pressing ring body is downwards extruded through the pressing stabilizing block, so that the upper end of the driving plate is downwards extruded through the pressing stabilizing block, the driving plate is not easily driven by external force, and the structural reliability is stronger.
Description
Technical Field
The invention relates to a stable pressing type drill rod and drill bit structure for rescue.
Background
In recent years, with the development of mining in depth, although the trend of safety production accidents is weakened, the water permeation of old kilns, water burst of bottom plates, roof fall and the like are still main disasters of mining; after an accident disaster occurs, the underground emergency rescue cannot be implemented quickly, so that the emergency rescue is very dangerous; at present, rapid ground drilling is a new technology for mine emergency rescue, a channel is rapidly drilled through a rescue drill rod and a drill bit, a rescue channel is opened for mine emergency rescue, and the fact proves that the technology is a rapid and effective mode; a drill bit can be installed to the general lower extreme of current rescue drilling rod, and the upper end of drill bit is passed through the external screw thread ring and is connect around the lower extreme of drilling rod, so realize connecting, but connection structure of this kind is unstable, and the drill bit can be in the rotatory not hard up of lower extreme of drilling rod, and structural stability is not high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the stable abutting type rescue drill rod and drill bit structure is stable in structure and rapid to assemble and disassemble.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a drill rod and drill bit structure for firm abutting type rescue comprises a drill rod, a drill bit, a pre-embedded telescopic mechanism, a floating type positioning mechanism and a firm abutting mechanism; the section of the drill rod is of an annular structure, and a driving assembly cavity is formed in the drill rod; an embedded telescopic mechanism is arranged in the middle of the upper end of the drill bit; the embedded telescopic mechanism comprises a positioning column, a rotating screw rod, a floating pressing block, an embedded telescopic rod and a pressing elastic body; the positioning column is arranged at the upper end of the drill bit; a driving cavity is formed in the positioning column, and a plurality of sliding through grooves are uniformly formed in the periphery of the driving cavity; a driving screw is rotatably clamped and mounted in the axis inside the driving cavity, a floating pressing block is screwed on the driving screw in a threaded manner, and the driving screw rotates to drive the floating pressing block to slide up and down; the sliding penetration grooves are respectively penetrated and connected with an embedded telescopic rod, the inner end of the embedded telescopic rod abuts against the outer side of the periphery of the floating pressing block, and the outer end of the embedded telescopic rod extends to the outer side of the floating pressing block; a plurality of abutting elastic bodies are uniformly arranged on the periphery of the driving cavity, and the abutting elastic bodies abut against the embedded telescopic rod towards the inner end and move towards the axis inside the driving cavity; the floating type positioning mechanism comprises a floating ring body, an upper annular abutting edge, a lower annular abutting edge, a floating screw, a driving threaded cylinder and a driving plate; the floating ring body is vertically and floatingly arranged in the middle of the periphery of the lower end of the drill rod; a lower annular abutting edge is arranged on the periphery of the inner side of the lower end of the floating ring body; the periphery of the inner side of the lower end of the drill rod is provided with an upper annular abutting edge; the rotating screw rod rotates to drive the floating pressing block to move upwards and press the embedded telescopic rod to move outwards, and the outer end of the embedded telescopic rod is clamped and installed between the upper annular pressing edge and the lower annular pressing edge; two longitudinal slots are respectively arranged on two sides of the interior of the drill rod; the upper ends of the longitudinal slots are respectively communicated with a driving clamping groove; a driving thread cylinder is respectively arranged in the longitudinal open groove; a driving plate is rotationally clamped in the driving clamping grooves respectively; the upper end of the driving threaded cylinder is connected to the lower side of the driving plate respectively; the inner part of the lower end of the driving threaded cylinder is respectively screwed with a floating screw rod in a threaded manner; the lower ends of the floating screw rods are jointly provided with a floating ring body; the upper end of the driving clamping groove is provided with an annular abutting groove, and abutting channels are respectively arranged at the upper ends of two sides of the annular abutting groove; the stable abutting mechanism comprises an abutting column, a stable elastic body, an abutting ring body and an abutting stabilizing block; the pressing ring body is arranged in the annular pressing groove; two sides of the upper end of the abutting ring body are respectively provided with an abutting column; the upper end of the abutting column is inserted into the abutting channel; a stable elastic body is respectively arranged in the abutting channels; the lower end of the stable elastic body is pressed against the upper end of the pressing column; two sides of the lower end of the abutting ring body are respectively provided with an abutting stabilizing block; the lower end of the abutting and pressure stabilizing block abuts against the upper end of the driving plate.
Furthermore, longitudinal sliding grooves are respectively formed in two sides of the lower end of the drill rod; longitudinal clamping and connecting rods are respectively arranged on two sides of the floating ring body; the upper ends of the longitudinal clamping and connecting rods are respectively clamped and connected to the longitudinal sliding grooves in a sliding mode.
Further, the embedded telescopic mechanism also comprises a driving rod, a guide rod and a guide cylinder; an adjusting slot is formed in the middle of the brick; the lower end of the rotating screw rod is provided with a driving rod, and the lower end of the driving rod is rotatably clamped in the drill bit and extends downwards into the adjusting groove; two sides of the bottom of the driving cavity are respectively provided with a guide cylinder; two sides of the lower end of the floating pressing block are respectively provided with a guide rod; the lower ends of the guide rods are respectively inserted into the upper ends of the inner parts of the guide cylinders in a sliding mode.
Furthermore, the upper sides of the inner ends of the embedded telescopic rods are respectively provided with an elastic baffle; and a pressing elastic body is respectively arranged between the outer side of the elastic baffle and the inner wall of the driving cavity, and the outer end of the pressing elastic body is fixed in the inner wall of the driving cavity.
Furthermore, a plurality of inserting positioning grooves are uniformly formed in the periphery of the upper end of the lower annular abutting edge; inserting positioning rods are respectively arranged at the lower sides of the outer ends of the embedded telescopic rods; and the inserting positioning rods at the lower side of the outer end of the embedded telescopic rod are respectively inserted into the inserting positioning grooves at the periphery of the upper end of the lower annular abutting edge.
Furthermore, the upper end of the rotating screw rod is provided with a rotary clamping tooth; a rotary clamping groove is formed in the upper end of the driving cavity; the rotary screw rod is rotatably clamped in the rotary clamping groove through the rotary clamping tooth.
Further, the floating pressing block is of a conical structure with a small upper part and a large lower part; a threaded channel is arranged in the middle of the inside of the floating pressing block; the floating pressing block is screwed on the rotating screw rod through a thread channel in the middle of the inner part.
The invention has the following beneficial effects:
1. according to the invention, the stable pressing mechanism is arranged at the upper end of the driving plate, the pressing column is downwards extruded through the stable elastic body, the pressing ring body is downwards extruded through the pressing column, and the pressing ring body is downwards extruded through the pressing stabilizing block, so that the upper end of the driving plate is downwards extruded through the pressing stabilizing block, the driving plate is not easily driven by external force, and the structural reliability is stronger.
2. The invention preferably drives the floating abutting block to move downwards through the rotation of the rotating screw rod, further drives the embedded telescopic rod to move towards the inner axle center of the driving cavity through the abutting elastic body to abut against the inner end of the embedded telescopic rod to move towards the inner part of the floating abutting block for embedding, thus when the outer end of the embedded telescopic rod is inserted upwards from the lower end of the lower annular abutting edge, the embedded telescopic rod can not be blocked by the lower annular abutting edge, then the assembly is started, the positioning column and the embedded telescopic rod are inserted upwards from the lower end of the lower annular abutting edge, then the floating abutting block is driven to move upwards through the rotation of the rotating screw rod and abuts against the embedded telescopic rod to move outwards, after the outer end of the embedded telescopic rod moves outwards, the inserting positioning rods at the lower side of the outer end of the embedded telescopic rod are respectively inserted into the inserting positioning grooves at the periphery of the upper end of the lower annular abutting edge, and then the floating annular body is driven upwards, and the lower annular abutting edge is driven to move upwards, so that the outer end of the embedded telescopic rod is clamped and installed between the upper annular abutting edge and the lower annular abutting edge, the assembly is formed, and the stable clamping and positioning structure is formed.
3. According to the invention, the two driving plates rotate simultaneously, so that the driving threaded barrel is driven to rotate, the two floating screws are driven to synchronously rotate, the floating ring body is driven to move up and down, the lower annular pressing edge is driven by the two driving plates simultaneously, and the structure is more stable.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the floating positioning mechanism of the present invention.
FIG. 3 is a bottom view of FIG. 1.
Fig. 4 is an enlarged schematic structural view of the embedded telescopic mechanism of the present invention.
Fig. 5 is a partially enlarged view illustrating the upper end of fig. 4 according to the present invention.
FIG. 6 is a partial enlarged view of the side of FIG. 4 according to the present invention.
Fig. 7 is a schematic top view of the positioning post and the pre-embedded telescopic rod according to the present invention.
Fig. 8 is an enlarged schematic structural view of the stable pressing mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, a drill rod and drill bit structure for a stable pressing type rescue comprises a drill rod 1, a drill bit 4, an embedded telescopic mechanism 3, a floating type positioning mechanism 2 and a stable pressing mechanism 5; the section of the drill rod 1 is of an annular structure, and a driving assembly cavity 11 is formed in the drill rod 1; the middle of the upper end of the drill bit 4 is provided with an embedded telescopic mechanism 3; the embedded telescopic mechanism 3 comprises a positioning column 31, a rotating screw 33, a floating pressing block 34, an embedded telescopic rod 32 and a pressing elastic body 38; the positioning column 31 is arranged at the upper end of the drill 4; a driving cavity 311 is formed in the positioning column 31, and a plurality of sliding through grooves 312 are uniformly formed around the driving cavity 311; a driving screw 33 is rotatably clamped and mounted at the axis inside the driving cavity 311, the floating pressing block 34 is screwed on the upper thread of the driving screw 33, and the driving screw 33 rotates to drive the floating pressing block 34 to slide up and down; the sliding penetration grooves 312 are respectively penetrated and connected with an embedded telescopic rod 32, the inner end of the embedded telescopic rod 32 abuts against the outer side of the periphery of the floating pressing block 34, and the outer end of the embedded telescopic rod 32 extends to the outer side of the floating pressing block 34; a plurality of abutting elastic bodies 38 are uniformly arranged around the driving cavity 311, and the abutting elastic bodies 38 abut against the embedded telescopic rod 32 towards the inner end and move towards the axis inside the driving cavity 311; the floating type positioning mechanism 2 comprises a floating ring body 21, an upper annular pressing flange 25, a lower annular pressing flange 26, a floating screw 22, a driving threaded cylinder 23 and a driving plate 24; the floating ring body 21 is vertically and floatingly arranged in the middle of the periphery of the lower end of the drill rod 1; a lower annular pressing folding edge 26 is arranged on the periphery of the inner side of the lower end of the floating ring body 21; the periphery of the inner side of the lower end of the drill rod 1 is provided with an annular abutting edge 25; the rotating screw 33 rotates to drive the floating pressing block 34 to move upwards and press the embedded telescopic rod 32 to move outwards, and the outer end of the embedded telescopic rod 32 is clamped and installed between the upper annular pressing edge 25 and the lower annular pressing edge 26; two longitudinal slots 11 are respectively arranged on two sides of the interior of the drill rod 1; the upper ends of the longitudinal slots 11 are respectively communicated with a driving clamping groove 12; a driving thread cylinder 23 is respectively arranged in the longitudinal open slot 11; a driving plate 24 is rotationally clamped in the driving clamping groove 12; the upper ends of the driving threaded cylinders 23 are respectively connected to the lower sides of the driving plates 24; the lower ends of the driving threaded cylinders 23 are internally and respectively screwed with a floating screw 22 in a threaded manner; the lower ends of the floating screws 22 are jointly provided with a floating ring body 21; the upper end of the driving clamping groove 12 is provided with an annular abutting groove 19, and the upper ends of two sides of the annular abutting groove 19 are respectively provided with an abutting channel 18; the stable pressing mechanism 5 comprises a pressing column 52, a stable elastic body 53, a pressing ring body 51 and a pressing stabilizing block 54; the pressing ring body 51 is arranged in the annular pressing groove 19; two sides of the upper end of the pressing ring body 51 are respectively provided with a pressing column 52; the upper end of the abutting column 52 is inserted into the abutting channel 18; a stable elastic body 53 is respectively arranged in the pressing channel 18; the lower end of the stable elastic body 53 is pressed against the upper end of the pressing column 52; two sides of the lower end of the pressing ring body 51 are respectively provided with a pressing stabilizing block 54; the lower end of the abutting and stabilizing block 54 abuts against the upper end of the driving plate 24.
As shown in fig. 1 to 8, further, longitudinal sliding grooves 14 are respectively arranged on two sides of the lower end of the drill rod 1; the two sides of the floating ring body 21 are respectively provided with a longitudinal clamping rod 27; the upper ends of the longitudinal clamping rods 27 are respectively clamped on the longitudinal sliding chutes 14 in a sliding manner. Further, the embedded telescopic mechanism 3 further comprises a driving rod 37, a guide rod 35 and a guide cylinder 36; an adjusting slot 41 is formed in the middle of the brick 4; the lower end of the rotating screw rod 33 is provided with a driving rod 37, and the lower end of the driving rod 37 is rotatably clamped in the drill bit 4 and extends downwards into the adjusting slot 41; two sides of the bottom of the driving cavity 311 are respectively provided with a guide cylinder 36; two sides of the lower end of the floating pressing block 34 are respectively provided with a guide rod 35; the lower ends of the guide rods 35 are respectively inserted into the upper ends of the inner parts of the guide cylinders 36 in a sliding manner. Further, an elastic baffle 322 is respectively arranged on the upper sides of the inner ends of the embedded telescopic rods 32; a pressing elastic body 38 is respectively arranged between the outer side of the elastic baffle 322 and the inner wall of the driving cavity 311, and the outer end of the pressing elastic body 38 is fixed inside the inner wall of the driving cavity 311. Further, a plurality of inserting positioning grooves 261 are uniformly formed around the upper end of the lower annular abutting edge 26; the lower sides of the outer ends of the embedded telescopic rods 32 are respectively provided with an inserting positioning rod 321; the inserting positioning rods 321 at the lower side of the outer end of the embedded telescopic rod 32 are respectively inserted into the inserting positioning grooves 261 around the upper end of the lower annular abutting-against folding edge 26. Further, the upper end of the rotating screw 33 is provided with a rotating clamping tooth 331; a rotary clamping groove 313 is formed in the upper end of the driving cavity 311; the rotating screw 33 is rotatably engaged with the rotary engaging groove 313 by the rotary engaging tooth 331. Further, the floating pressing block 34 is of a tapered structure with a small top and a big bottom; a threaded passage 341 is formed in the middle of the inside of the floating pressing block 34; the floating pressing block 34 is screwed on the rotating screw 33 through a thread passage 341 in the middle of the inside.
The upper end of the driving plate 25 is provided with the stable abutting mechanism 5, the abutting column 52 is downwards extruded through the stable elastic body 53, the abutting column 52 downwards extrudes the abutting ring body 51, the abutting ring body 51 downwards extrudes the abutting stabilizing block 54, and the upper end of the driving plate 24 is downwards extruded through the abutting stabilizing block 54, so that the driving plate 24 is not easily driven by external force, and the structural reliability is higher.
According to the invention, firstly, the floating abutting block 34 is driven to move downwards by rotating the screw 33, and then the embedded telescopic rod 32 is abutted to the inner end by the abutting elastic body 38 to move towards the inner axis of the driving cavity 311, so that the embedded telescopic rod 32 moves towards the inner part of the floating abutting block 34 for embedding, therefore, when the outer end of the embedded telescopic rod 32 is inserted upwards from the lower end of the lower annular abutting edge 26, the lower annular abutting edge 26 cannot block the outer end, then the assembly is started, the positioning column 31 and the embedded telescopic rod 32 are inserted upwards from the lower end of the lower annular abutting edge 26, then the floating abutting block 34 is driven to move upwards by rotating the screw 33, the embedded telescopic rod 32 is abutted to move outwards, after the outer end of the embedded telescopic rod 32 moves outwards, the inserting positioning rods 321 at the outer end of the embedded telescopic rod 32 are respectively inserted into the inserting positioning grooves 261 around the upper end of the lower annular abutting edge 26, then the floating ring body 21 is driven to move upwards, and the lower annular abutting edge 26 is driven to move upwards, so that the outer end of the embedded telescopic rod 32 is clamped and installed between the upper annular abutting edge 25 and the lower annular abutting edge 26, the assembly is formed, and the stable clamping and positioning structure is formed.
According to the invention, the two driving plates 24 rotate simultaneously, so that the driving threaded barrel 23 is driven to rotate, the two floating screws 22 are driven to rotate synchronously, the floating ring body 21 is driven to move up and down, the lower annular pressing flange 26 is driven by the two driving plates 24 simultaneously, and the structure is more stable.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A drill rod and drill bit structure for firm abutting type rescue is characterized by comprising a drill rod, a drill bit, a pre-embedded telescopic mechanism, a floating type positioning mechanism and a firm abutting mechanism; the section of the drill rod is of an annular structure, and a driving assembly cavity is formed in the drill rod; an embedded telescopic mechanism is arranged in the middle of the upper end of the drill bit; the embedded telescopic mechanism comprises a positioning column, a rotating screw rod, a floating pressing block, an embedded telescopic rod and a pressing elastic body; the positioning column is arranged at the upper end of the drill bit; a driving cavity is formed in the positioning column, and a plurality of sliding through grooves are uniformly formed in the periphery of the driving cavity; a driving screw is rotatably clamped and mounted in the axis inside the driving cavity, a floating pressing block is screwed on the driving screw in a threaded manner, and the driving screw rotates to drive the floating pressing block to slide up and down; the sliding penetration grooves are respectively penetrated and connected with an embedded telescopic rod, the inner end of the embedded telescopic rod abuts against the outer side of the periphery of the floating pressing block, and the outer end of the embedded telescopic rod extends to the outer side of the floating pressing block; a plurality of abutting elastic bodies are uniformly arranged on the periphery of the driving cavity, and the abutting elastic bodies abut against the embedded telescopic rod towards the inner end and move towards the axis inside the driving cavity; the floating type positioning mechanism comprises a floating ring body, an upper annular abutting edge, a lower annular abutting edge, a floating screw, a driving threaded cylinder and a driving plate; the floating ring body is vertically and floatingly arranged in the middle of the periphery of the lower end of the drill rod; a lower annular abutting edge is arranged on the periphery of the inner side of the lower end of the floating ring body; the periphery of the inner side of the lower end of the drill rod is provided with an upper annular abutting edge; the rotating screw rod rotates to drive the floating pressing block to move upwards and press the embedded telescopic rod to move outwards, and the outer end of the embedded telescopic rod is clamped and installed between the upper annular pressing edge and the lower annular pressing edge; two longitudinal slots are respectively arranged on two sides of the interior of the drill rod; the upper ends of the longitudinal slots are respectively communicated with a driving clamping groove; a driving thread cylinder is respectively arranged in the longitudinal open groove; a driving plate is rotationally clamped in the driving clamping grooves respectively; the upper end of the driving threaded cylinder is connected to the lower side of the driving plate respectively; the inner part of the lower end of the driving threaded cylinder is respectively screwed with a floating screw rod in a threaded manner; the lower ends of the floating screw rods are jointly provided with a floating ring body; the upper end of the driving clamping groove is provided with an annular abutting groove, and abutting channels are respectively arranged at the upper ends of two sides of the annular abutting groove; the stable abutting mechanism comprises an abutting column, a stable elastic body, an abutting ring body and an abutting stabilizing block; the pressing ring body is arranged in the annular pressing groove; two sides of the upper end of the abutting ring body are respectively provided with an abutting column; the upper end of the abutting column is inserted into the abutting channel; a stable elastic body is respectively arranged in the abutting channels; the lower end of the stable elastic body is pressed against the upper end of the pressing column; two sides of the lower end of the abutting ring body are respectively provided with an abutting stabilizing block; the lower end of the abutting and pressure stabilizing block abuts against the upper end of the driving plate.
2. The steady pressing type rescue drill rod and drill bit structure as claimed in claim 1, wherein both sides of the lower end of the drill rod are respectively provided with a longitudinal sliding groove; longitudinal clamping and connecting rods are respectively arranged on two sides of the floating ring body; the upper ends of the longitudinal clamping and connecting rods are respectively clamped and connected to the longitudinal sliding grooves in a sliding mode.
3. The steady pressing type rescue drill rod and drill bit structure as claimed in claim 1, wherein the pre-embedded telescopic mechanism further comprises a driving rod, a guide rod and a guide cylinder; an adjusting slot is formed in the middle of the brick; the lower end of the rotating screw rod is provided with a driving rod, and the lower end of the driving rod is rotatably clamped in the drill bit and extends downwards into the adjusting groove; two sides of the bottom of the driving cavity are respectively provided with a guide cylinder; two sides of the lower end of the floating pressing block are respectively provided with a guide rod; the lower ends of the guide rods are respectively inserted into the upper ends of the inner parts of the guide cylinders in a sliding mode.
4. The steady pressing type rescue drill rod and drill bit structure as claimed in claim 1, wherein the upper sides of the inner ends of the embedded telescopic rods are respectively provided with an elastic baffle; and a pressing elastic body is respectively arranged between the outer side of the elastic baffle and the inner wall of the driving cavity, and the outer end of the pressing elastic body is fixed in the inner wall of the driving cavity.
5. The stable pressing type rescue drill rod and drill bit structure as claimed in claim 1, wherein a plurality of inserting positioning grooves are uniformly formed around the upper end of the lower annular pressing flange; inserting positioning rods are respectively arranged at the lower sides of the outer ends of the embedded telescopic rods; and the inserting positioning rods at the lower side of the outer end of the embedded telescopic rod are respectively inserted into the inserting positioning grooves at the periphery of the upper end of the lower annular abutting edge.
6. A stable pressing type rescue drill rod and drill bit structure as claimed in claim 1, wherein the upper end of the rotating screw rod is provided with a rotary clamping tooth; a rotary clamping groove is formed in the upper end of the driving cavity; the rotary screw rod is rotatably clamped in the rotary clamping groove through the rotary clamping tooth.
7. A drill rod and bit structure for firm withstand-pressure rescue according to claim 1, wherein the floating withstand-pressure block is of a tapered structure with a small top and a large bottom; a threaded channel is arranged in the middle of the inside of the floating pressing block; the floating pressing block is screwed on the rotating screw rod through a thread channel in the middle of the inner part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111519424.5A CN114165172B (en) | 2021-12-14 | 2021-12-14 | Firm pressure formula is rescued and is used drilling rod and drill bit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111519424.5A CN114165172B (en) | 2021-12-14 | 2021-12-14 | Firm pressure formula is rescued and is used drilling rod and drill bit structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114165172A true CN114165172A (en) | 2022-03-11 |
| CN114165172B CN114165172B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111519424.5A Active CN114165172B (en) | 2021-12-14 | 2021-12-14 | Firm pressure formula is rescued and is used drilling rod and drill bit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114165172B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804666A (en) * | 2016-03-11 | 2016-07-27 | 柳超 | Over-well pressure applying deep well drilling mechanism based on automatic reinforced drill bit |
| CN109236196A (en) * | 2018-11-06 | 2019-01-18 | 江苏和信石油机械有限公司 | One kind compressing formula ocean threaded drillpipe |
| CN110778274A (en) * | 2019-11-28 | 2020-02-11 | 陕西延长石油（集团）有限责任公司 | Drill bit for petroleum geological exploration and installation method |
| CN211474037U (en) * | 2019-07-05 | 2020-09-11 | 徐科 | Exploration drilling rod device convenient to use oil geology |
| CN113323602A (en) * | 2021-06-30 | 2021-08-31 | 江苏力克石油机械有限公司 | Support and press firm formula sucker rod centralizer |
| CN215057133U (en) * | 2021-06-09 | 2021-12-07 | 范撑旗 | Expanding bit for salvaging drilling tool |
-
2021
- 2021-12-14 CN CN202111519424.5A patent/CN114165172B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804666A (en) * | 2016-03-11 | 2016-07-27 | 柳超 | Over-well pressure applying deep well drilling mechanism based on automatic reinforced drill bit |
| CN109236196A (en) * | 2018-11-06 | 2019-01-18 | 江苏和信石油机械有限公司 | One kind compressing formula ocean threaded drillpipe |
| CN211474037U (en) * | 2019-07-05 | 2020-09-11 | 徐科 | Exploration drilling rod device convenient to use oil geology |
| CN110778274A (en) * | 2019-11-28 | 2020-02-11 | 陕西延长石油（集团）有限责任公司 | Drill bit for petroleum geological exploration and installation method |
| CN215057133U (en) * | 2021-06-09 | 2021-12-07 | 范撑旗 | Expanding bit for salvaging drilling tool |
| CN113323602A (en) * | 2021-06-30 | 2021-08-31 | 江苏力克石油机械有限公司 | Support and press firm formula sucker rod centralizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114165172B (en) | 2023-07-25 |
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