CN114165172B - Firm pressure formula is rescued and is used drilling rod and drill bit structure - Google Patents
Firm pressure formula is rescued and is used drilling rod and drill bit structure Download PDFInfo
- Publication number
- CN114165172B CN114165172B CN202111519424.5A CN202111519424A CN114165172B CN 114165172 B CN114165172 B CN 114165172B CN 202111519424 A CN202111519424 A CN 202111519424A CN 114165172 B CN114165172 B CN 114165172B
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- pressing
- driving
- rod
- floating
- stable
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- 238000005553 drilling Methods 0.000 title description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 239000011449 brick Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process 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
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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 pressed downwards through the stable elastic body, the pressing ring body is pressed downwards through the pressing column, the pressing ring body is pressed downwards to press the pressing stable block, and the upper end of the driving plate is pressed downwards through the pressing stable block, so that the driving plate cannot be driven by external force easily, 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, as mining is continuously advanced to a deep level, the trend of safety production accidents is weakened, but old kiln water permeation, water burst of a bottom plate, roof falling and the like still remain main disasters of mine production; when the disaster occurs, the disaster is very dangerous when the rapid rescue cannot be implemented underground; at present, the ground rapid drilling has become a new technology of mine rescue, a rescue channel is drilled through a rescue drill rod and a drill bit rapidly, and a rescue channel is drilled for mine rescue, so that the technology is proved to be a rapid and effective mode; the general lower extreme of current rescue drilling rod can install a drill bit, and the upper end of drill bit connects around the lower extreme of drilling rod soon through the external screw thread ring, so realizes connecting, but this kind of connection structure is unstable, and the drill bit can be rotatory not hard up at the 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 pressing type rescue drill rod and drill bit structure is stable in structure and rapid in assembly and disassembly.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a firm pressure formula is supported and is rescued and use drilling rod and drill bit structure, includes drilling rod, drill bit, pre-buried telescopic machanism, floating positioning mechanism, firm pressure mechanism that supports; the section of the drill rod is of an annular structure, and a driving assembly cavity is formed in the drill rod; the middle of the upper end of the drill bit is provided with an embedded telescopic mechanism; the embedded telescopic mechanism comprises a positioning column, a rotating screw rod, a floating pressing block, an embedded telescopic rod and a pressing elastomer; 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; the inner axis of the driving cavity is rotationally clamped and provided with a driving screw, the driving screw is screwed with the floating pressing block, and the driving screw rotationally drives the floating pressing block to slide up and down; the sliding cross-connection grooves are respectively connected with an embedded telescopic rod in a cross-connection mode, the inner ends of the embedded telescopic rods are abutted to the outer sides of the periphery of the floating pressing blocks, and the outer ends of the embedded telescopic rods extend to the outer sides of the floating pressing blocks; a plurality of pressing elastic bodies are uniformly arranged around the driving cavity, and the pressing elastic bodies press the embedded telescopic rods to the inner ends to move towards the axis of the inside of the driving cavity; the floating positioning mechanism comprises a floating ring body, an upper annular pressing folded edge, a lower annular pressing folded edge, a floating screw, a driving threaded cylinder and a driving plate; the floating ring body is vertically arranged in the middle of the periphery of the lower end of the drill rod in a floating manner; the periphery of the inner side of the lower end of the floating ring body is provided with a lower annular pressing folded edge; the periphery of the inner side of the lower end of the drill rod is provided with an annular pressing folded 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 folded edge and the lower annular pressing folded edge; two longitudinal grooves are respectively arranged on two sides of the interior of the drill rod; the upper ends of the longitudinal grooves are respectively communicated with a driving clamping groove; a driving thread cylinder is respectively arranged in the longitudinal grooves; the driving clamping grooves are respectively rotationally clamped with a driving plate; the upper ends of the driving thread barrels are respectively connected to the lower side of the driving plate; the inner part of the lower end of the driving thread cylinder is respectively screwed with a floating screw rod; the lower end of the floating screw rod is provided with a floating ring body together; the upper end of the driving clamping groove is provided with an annular pressing groove, and the upper ends of two sides of the annular pressing groove are respectively provided with pressing channels; the stable pressing mechanism comprises a pressing column, a stable elastic body, a pressing ring body and a pressing stable block; the propping ring body is arranged in the annular propping groove; two sides of the upper end of the pressing ring body are respectively provided with a pressing column; the upper end of the pressing column is inserted into the pressing channel; a stable elastic body is respectively arranged in the pressing channels; the lower end of the stable elastic body is propped against the upper end of the propping column; two sides of the lower end of the pressing ring body are respectively provided with a pressing stabilizing block; the lower end of the pressing stabilizing block is pressed against the upper end of the driving plate.
Further, two sides of the lower end of the drill rod are respectively provided with a longitudinal chute; longitudinal clamping rods are respectively arranged on two sides of the floating ring body; the upper ends of the longitudinal clamping rods are respectively and slidably clamped on the longitudinal sliding grooves.
Further, the 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 rotary screw rod is provided with a driving rod, and the lower end of the driving rod is rotationally clamped in the drill bit and extends downwards into the adjusting slot; 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 connected with the upper ends of the inside of the guide cylinder in a sliding manner.
Further, an elastic baffle is arranged at the upper side of the inner end of the embedded telescopic rod respectively; an abutting elastic body is arranged between the outer side of the elastic baffle plate and the inner wall of the driving cavity respectively, and the outer end of the abutting elastic body is fixed inside the inner wall of the driving cavity.
Further, a plurality of inserting positioning grooves are uniformly formed in the periphery of the upper end of the lower annular pressing folded edge; the lower sides of the outer ends of the embedded telescopic rods are respectively provided with an inserting positioning rod; the inserting locating rods at the lower side of the outer end of the embedded telescopic rod are respectively inserted into inserting locating grooves at the periphery of the upper end of the lower annular pressing folding edge.
Further, the upper end of the rotating screw is provided with a rotary clamping tooth; a rotary clamping groove is formed in the upper end of the driving cavity; the rotating screw rod is rotationally clamped in the rotary clamping groove through the rotary clamping teeth.
Further, the floating pressing block is in 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 threaded channel in the middle of the inner part.
The beneficial effects of the invention are as follows:
1. according to the invention, the stable pressing mechanism is arranged at the upper end of the driving plate, the pressing column is pressed downwards through the stable elastic body, the pressing ring body is pressed downwards through the pressing column, the pressing ring body is pressed downwards to press the pressing stable block, and the upper end of the driving plate is pressed downwards through the pressing stable block, so that the driving plate cannot be driven by external force easily, and the structural reliability is stronger.
2. According to the invention, the floating pressing block is driven to move downwards by rotating the screw rod, the embedded telescopic rod is further driven to move towards the inner end of the pressing elastic body to press the embedded telescopic rod towards the inner axis of the driving cavity, so that the embedded telescopic rod moves towards the inner part of the floating pressing block to be embedded, when the outer end of the embedded telescopic rod is inserted upwards from the lower end of the lower annular pressing folded edge, the embedded telescopic rod cannot be blocked by the lower annular pressing folded edge, then the positioning column and the embedded telescopic rod are assembled, are inserted upwards from the lower end of the lower annular pressing folded edge, then the floating pressing block is driven to move upwards by rotating the rotating screw rod, the embedded telescopic rod is pressed 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 pressing folded edge, then the floating ring body is driven to move upwards, and the lower annular pressing folded edge is driven to move upwards, so that the outer end of the embedded telescopic rod is clamped and installed between the upper annular pressing folded edge and the lower annular pressing folded edge, and the assembly is formed, and the stable clamping positioning structure is formed.
3. According to the invention, the two driving plates simultaneously rotate to drive the driving screw barrels to rotate, so that the two floating screws are driven to synchronously rotate, the floating ring body is driven to move up and down, the lower annular pressing folding edge is driven to move up and down, and the lower annular pressing folding edge is driven by the two driving plates simultaneously, so that the structure is more stable.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the floating positioning mechanism of the present invention.
Fig. 3 is a schematic view of the lower part structure of fig. 1 according to the present invention.
Fig. 4 is an enlarged schematic view of the telescopic mechanism of the present invention.
Fig. 5 is a schematic view of a partial enlarged structure of the upper end of fig. 4 according to the present invention.
Fig. 6 is a schematic view of a partial enlarged structure of one side of fig. 4 according to the present invention.
Fig. 7 is a schematic top view of the positioning post and the embedded telescopic rod of the present invention.
Fig. 8 is an enlarged schematic view of the stabilizing mechanism according to 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 stable pressing type rescue drill rod and drill bit structure 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 bit 4; a driving cavity 311 is arranged in the positioning column 31, and a plurality of sliding through grooves 312 are uniformly formed around the driving cavity 311; a driving screw rod 33 is rotatably clamped and mounted in the axis of the driving cavity 311, the driving screw rod 33 is screwed with a floating pressing block 34, and the driving screw rod 33 rotatably drives the floating pressing block 34 to slide up and down; the sliding through grooves 312 are respectively connected with an embedded telescopic rod 32 in a through way, the inner ends of the embedded telescopic rods 32 are abutted against the outer sides of the periphery of the floating pressing blocks 34, and the outer ends of the embedded telescopic rods 32 extend to the outer sides of the floating pressing blocks 34; a plurality of pressing elastic bodies 38 are uniformly arranged around the driving cavity 311, and the pressing elastic bodies 38 press the embedded telescopic rods 32 to move towards the inner axis of the driving cavity 311 towards the inner end; the floating positioning mechanism 2 comprises a floating ring body 21, an upper annular pressing edge 25, a lower annular pressing edge 26, a floating screw 22, a driving threaded cylinder 23 and a driving plate 24; the floating ring body 21 is vertically arranged in the middle of the periphery of the lower end of the drill rod 1 in a floating manner; the periphery of the inner side of the lower end of the floating ring body 21 is provided with a lower annular pressing folded edge 26; an annular pressing folded edge 25 is arranged on the periphery of the inner side of the lower end of the drill rod 1; 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 folded edge 25 and the lower annular pressing folded edge 26; two longitudinal grooves 11 are respectively arranged on two sides of the interior of the drill rod 1; the upper ends of the longitudinal grooves 11 are respectively communicated with a driving clamping groove 12; a driving thread cylinder 23 is respectively arranged in the longitudinal groove 11; a driving plate 24 is rotatably clamped in the driving clamping groove 12 respectively; the upper ends of the driving screw barrels 23 are respectively connected to the lower side of the driving plate 24; the lower end of the driving thread cylinder 23 is internally screwed with a floating screw rod 22 respectively; 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 pressing groove 19, and the upper ends of two sides of the annular pressing groove 19 are respectively provided with a pressing 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 stable block 54; the pressing ring body 51 is installed 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 pressing column 52 is inserted into the pressing 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 pressing and stabilizing block 54 presses against the upper end of the driving plate 24.
As shown in fig. 1 to 8, further, two sides of the lower end of the drill rod 1 are respectively provided with a longitudinal chute 14; longitudinal clamping rods 27 are respectively arranged on two sides of the floating ring body 21; the upper ends of the longitudinal clamping rods 27 are respectively and slidably clamped on the longitudinal sliding grooves 14. Further, the pre-buried 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 rotary screw 33 is provided with a driving rod 37, and the lower end of the driving rod 37 is rotationally clamped in the drill bit 4 and extends downwards into the adjusting slot 41; two guide cylinders 36 are respectively arranged at two sides of the bottom of the driving cavity 311; 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 slidably inserted into the upper ends of the inside of the guide cylinders 36. Further, an elastic baffle 322 is respectively disposed on the upper side of the inner end of the pre-buried telescopic rod 32; an abutting elastic body 38 is respectively installed between the outer side of the elastic baffle 322 and the inner wall of the driving cavity 311, and the outer end of the abutting 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 pressing flange 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 locating rods 321 at the lower side of the outer end of the embedded telescopic rod 32 are respectively inserted into the inserting locating grooves 261 at the periphery of the upper end of the lower annular pressing flange 26. Further, a rotary clamping tooth 331 is arranged at the upper end of the rotary screw 33; a rotary clamping groove 313 is formed in the upper end of the driving cavity 311; the rotating screw 33 is rotationally clamped in the rotary clamping groove 313 through the rotary clamping teeth 331. Further, the floating pressing block 34 has a conical structure with a smaller upper part and a larger lower part; a threaded passage 341 is arranged 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 an internal middle threaded passage 341.
According to the invention, the stable pressing mechanism 5 is arranged at the upper end of the driving plate 25, the pressing column 52 is pressed downwards through the stable elastic body 53, the pressing column 52 is pressed downwards to press the pressing ring body 51, and the pressing ring body 51 is pressed downwards to press the stable block 54, so that the upper end of the driving plate 24 is pressed downwards through the stable block 54, the driving plate 24 cannot be easily driven by external force, and the structural reliability is stronger.
According to the invention, the floating pressing block 34 is driven to move downwards by rotating the screw 33, the pressing elastic body 38 is further driven to move towards the inner axis of the driving cavity 311 to press the embedded telescopic rod 32 towards the inner axis of the driving cavity 311, so that the embedded telescopic rod 32 moves towards the inner part of the floating pressing block 34 to be embedded, when the outer end of the embedded telescopic rod 32 is inserted upwards from the lower end of the lower annular pressing edge 26, the embedded telescopic rod 32 is not blocked by the lower annular pressing edge 26, then the positioning column 31 and the embedded telescopic rod 32 are assembled and inserted upwards from the lower end of the lower annular pressing edge 26, then the floating pressing block 34 is driven to move upwards by rotating the rotating screw 33 to press the embedded telescopic rod 32 to move outwards, after the outer end of the embedded telescopic rod 32 moves outwards, the inserted positioning rods 321 at the lower end of the embedded telescopic rod 32 are inserted into the inserted positioning grooves 261 at the periphery of the upper end of the lower annular pressing edge 26 respectively, and then the floating ring 21 is driven to move upwards, so that 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.
According to the invention, the two driving plates 24 simultaneously rotate, so that the driving screw cylinders 23 are driven to rotate, the two floating screws 22 are driven to synchronously rotate, the floating ring body 21 is driven to move up and down, the lower annular pressing folded edge 26 is driven to move up and down, and the lower annular pressing folded edge 26 is driven by the two driving plates 24 simultaneously, so that the structure is more stable.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The stable propping type rescue drill rod and drill bit structure is characterized by comprising a drill rod, a drill bit, a pre-buried telescopic mechanism, a floating type positioning mechanism and a stable propping mechanism; the section of the drill rod is of an annular structure, and a driving assembly cavity is formed in the drill rod; the middle of the upper end of the drill bit is provided with an embedded telescopic mechanism; the embedded telescopic mechanism comprises a positioning column, a rotating screw rod, a floating pressing block, an embedded telescopic rod and a pressing elastomer; 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; the inner axis of the driving cavity is rotationally clamped and provided with a driving screw, the driving screw is screwed with the floating pressing block, and the driving screw rotationally drives the floating pressing block to slide up and down; the sliding cross-connection grooves are respectively connected with an embedded telescopic rod in a cross-connection mode, the inner ends of the embedded telescopic rods are abutted to the outer sides of the periphery of the floating pressing blocks, and the outer ends of the embedded telescopic rods extend to the outer sides of the floating pressing blocks; a plurality of pressing elastic bodies are uniformly arranged around the driving cavity, and the pressing elastic bodies press the embedded telescopic rods to the inner ends to move towards the axis of the inside of the driving cavity; the floating positioning mechanism comprises a floating ring body, an upper annular pressing folded edge, a lower annular pressing folded edge, a floating screw, a driving threaded cylinder and a driving plate; the floating ring body is vertically arranged in the middle of the periphery of the lower end of the drill rod in a floating manner; the periphery of the inner side of the lower end of the floating ring body is provided with a lower annular pressing folded edge; the periphery of the inner side of the lower end of the drill rod is provided with an annular pressing folded 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 folded edge and the lower annular pressing folded edge; two longitudinal grooves are respectively arranged on two sides of the interior of the drill rod; the upper ends of the longitudinal grooves are respectively communicated with a driving clamping groove; a driving thread cylinder is respectively arranged in the longitudinal grooves; the driving clamping grooves are respectively rotationally clamped with a driving plate; the upper ends of the driving thread barrels are respectively connected to the lower side of the driving plate; the inner part of the lower end of the driving thread cylinder is respectively screwed with a floating screw rod; the lower end of the floating screw rod is provided with a floating ring body together; the upper end of the driving clamping groove is provided with an annular pressing groove, and the upper ends of two sides of the annular pressing groove are respectively provided with pressing channels; the stable pressing mechanism comprises a pressing column, a stable elastic body, a pressing ring body and a pressing stable block; the propping ring body is arranged in the annular propping groove; two sides of the upper end of the pressing ring body are respectively provided with a pressing column; the upper end of the pressing column is inserted into the pressing channel; a stable elastic body is respectively arranged in the pressing channels; the lower end of the stable elastic body is propped against the upper end of the propping column; two sides of the lower end of the pressing ring body are respectively provided with a pressing stabilizing block; the lower end of the pressing stabilizing block is pressed against the upper end of the driving plate.
2. The stable pressing type rescue drill rod and drill bit structure according to claim 1, wherein two sides of the lower end of the drill rod are respectively provided with a longitudinal chute; longitudinal clamping rods are respectively arranged on two sides of the floating ring body; the upper ends of the longitudinal clamping rods are respectively and slidably clamped on the longitudinal sliding grooves.
3. The steady pressing type rescue drill rod and bit structure of claim 1, wherein the pre-buried telescopic mechanism further comprises a driving rod, a guide rod and a guide cylinder; an adjusting slot is formed in the middle of the drill bit; the lower end of the rotary screw rod is provided with a driving rod, and the lower end of the driving rod is rotationally clamped in the drill bit and extends downwards into the adjusting slot; 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 connected with the upper ends of the inside of the guide cylinder in a sliding manner.
4. The stable pressing type rescue drill rod and drill bit structure according to claim 1, wherein an elastic baffle is respectively arranged at the upper side of the inner end of the embedded telescopic rod; an abutting elastic body is arranged between the outer side of the elastic baffle plate and the inner wall of the driving cavity respectively, and the outer end of the abutting elastic body is fixed inside the inner wall of the driving cavity.
5. The stable pressing type rescue drill rod and drill bit structure according to claim 1, wherein a plurality of inserting positioning grooves are uniformly formed around the upper end of the lower annular pressing folded edge; the lower sides of the outer ends of the embedded telescopic rods are respectively provided with an inserting positioning rod; the inserting locating rods at the lower side of the outer end of the embedded telescopic rod are respectively inserted into inserting locating grooves at the periphery of the upper end of the lower annular pressing folding edge.
6. The stable pressing type rescue drill rod and bit structure according to 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 rotating screw rod is rotationally clamped in the rotary clamping groove through the rotary clamping teeth.
7. The steady pressing type rescue drill rod and bit structure of claim 1, wherein the floating pressing block has a conical structure with a smaller upper part and a larger 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 threaded 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 CN114165172A (en) | 2022-03-11 |
| CN114165172B true 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 |
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| 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 |
|---|---|
| CN114165172A (en) | 2022-03-11 |
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