CN110331938B - Roller bit drill rod - Google Patents
Roller bit drill rod Download PDFInfo
- Publication number
- CN110331938B CN110331938B CN201910352983.8A CN201910352983A CN110331938B CN 110331938 B CN110331938 B CN 110331938B CN 201910352983 A CN201910352983 A CN 201910352983A CN 110331938 B CN110331938 B CN 110331938B
- Authority
- CN
- China
- Prior art keywords
- opening
- closing
- drill rod
- movable seat
- outer side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000005065 mining Methods 0.000 abstract description 14
- 239000003245 coal Substances 0.000 description 10
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
-
- 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
-
- 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
- E21B17/042—Threaded
- E21B17/043—Threaded with locking means
Landscapes
- 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 roller bit drill rod, which comprises a drill rod body, a ring sleeve, a roller bit and an opening and closing adjusting mechanism, wherein the ring sleeve is sleeved on the drill rod body; the ring sleeve is arranged at the upper end of the drill rod body; the opening and closing adjusting mechanism comprises a connecting block, a driving rod, an opening and closing driving column, a moving seat and a guide limiting plate; the invention changes the fixed connection structure of the traditional roller bit and the drill rod body, the invention is additionally provided with the opening and closing adjusting mechanism, the opening and closing driving column is driven by the driving rod to longitudinally extend and retract, and then the opening and closing driving column drives the plurality of moving seats to horizontally and radially move along the opening and closing driving column, so that the distance between the roller bits at the upper ends of the plurality of moving seats is changed, the mining area is changed, and the invention has flexible use and high mining efficiency.
Description
Technical Field
The invention relates to a roller bit.
Background
The mining industry is an important basic industry related to the national economic life and energy safety, particularly the coal industry, although in recent years, China has been adjusting energy structures and reducing the proportion of coal in energy consumption. However, the proportion of coal in the primary energy structure is still kept above 60%, and the coal will not swing as the main energy of China in a long period in the future. Due to the complex and variable coal mine geological conditions in China and the low overall technical level of coal production, the mining technology and equipment level are far behind other advanced coal producing countries except the complex coal mine geological conditions in China, the mining difficulty and the large difference between the coal mining mechanization degree and the advanced coal producing countries. The existing mining machinery generally adopts a roller cone drill rod for mining, but the roller cone drill bit of the existing roller cone drill rod is fixed at the upper end of a drill body, the mining area of the roller cone drill bit cannot be changed according to actual requirements, and the roller cone drill bit is inflexible and convenient to use.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: a roller cone drill pipe with adjustable mining area is provided.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a roller bit comprises a bit body, a ring sleeve, a roller bit and an opening and closing adjusting mechanism; the ring sleeve is arranged at the upper end of the drill rod body; the opening and closing adjusting mechanism comprises a connecting block, a driving rod, an opening and closing driving column, a moving seat and a guide limiting plate; the connecting block is arranged in the ring sleeve; the driving rod is rotatably and telescopically arranged in the middle of the connecting block; the upper end of the driving rod is rotatably clamped in the middle of the lower end of the opening and closing driving column; the periphery of the opening and closing driving column is slidably clamped with a plurality of moving seats; the opening and closing driving column drives the plurality of moving seats to horizontally and synchronously move when vertically moving; the upper ends of the movable seats are respectively provided with a roller bit; the outer side of the movable seat is provided with a guide groove; one end of the guide limiting plate is connected in the guide groove on the outer side of the movable seat in a penetrating mode, and the other end of the guide limiting plate is fixed on the inner wall of the ring sleeve.
Furthermore, the opening and closing driving column is of a conical structure with a large upper part and a small lower part; the inner side of the movable seat is provided with an abutting inclined plane; the movable seat is abutted against the outer side surface of the opening and closing driving column through an abutting inclined surface; a plurality of clamping chutes are uniformly arranged around the opening and closing driving column; the inner side of the movable seat is abutted with the inclined plane and is provided with sliding clamping teeth; the movable seat is connected in a clamping chute of the opening and closing driving column in a sliding clamping manner through sliding clamping teeth.
Furthermore, an opening and closing material discharging channel is arranged in the middle of the opening and closing driving column; a driving discharge channel is arranged in the axial direction of the driving rod; the opening and closing discharge channel is communicated with the driving discharge channel; the upper end of the driving rod is provided with a rotary clamping ring gear; the periphery of the middle of the opening and closing discharge channel is provided with a rotary clamping ring groove; the driving rod is rotationally clamped on the rotary clamping ring groove through the rotary clamping ring tooth at the upper end; the guide limit plate is provided with an auxiliary discharge port; and a plurality of bottom discharge ports are uniformly formed around the connecting block.
Furthermore, one side of the bottom of the ring sleeve is provided with an opening-closing plate; the bottom of the ring sleeve is provided with a discharge inclined plate; one end of the discharging inclined plate is provided with a discharging opening.
Furthermore, the upper end of an opening and closing discharge channel on the opening and closing driving column is provided with a conical feeding port; the conical feeding port is in a conical structure with a large upper part and a small lower part.
Furthermore, the opening and closing adjusting mechanism also comprises a T-shaped locking screw rod; a locking thread groove is arranged on the outer side of the movable seat; t-shaped through connecting grooves are formed in the periphery of the ring sleeve; the penetrating grooves on the periphery of the ring sleeve correspond to the locking thread grooves on the outer side of the movable seat; one end of the T-shaped locking screw rod penetrates through the T-shaped penetrating groove of the ring sleeve and then is in threaded connection with the locking thread groove of the movable seat; the outer side of the T-shaped locking screw rod is abutted in the T-shaped through groove.
Furthermore, a thread groove is arranged in the middle of the connecting block; external threads are arranged on the outer side of the periphery of the driving rod; the driving rod is connected to the thread groove of the connecting block in a rotating and telescopic mode through external threads on the outer side.
Furthermore, the opening and closing adjusting mechanism also comprises a stable elastic body; the stable elastomer is arranged in a guide groove on the outer side of the movable seat; the stable elastic body is elastically compressed and pressed at one end of the guide limiting plate.
Further, the guide way and the direction limiting plate of removal seat outside all be the rectangle structure.
The invention has the advantages of
The invention changes the fixed connection structure of the traditional roller bit and the drill rod body, the invention is additionally provided with the opening and closing adjusting mechanism, the opening and closing driving column is driven by the driving rod to longitudinally extend and retract, and then the opening and closing driving column drives the plurality of moving seats to horizontally and radially move along the opening and closing driving column, so that the distance between the roller bits at the upper ends of the plurality of moving seats is changed, the mining area is changed, and the invention has flexible use and high mining efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged schematic view of the driving rod, the opening/closing driving column, the movable base and the roller bit of the present invention.
FIG. 3 is an enlarged schematic view of the movable base of the present invention.
Fig. 4 is an enlarged schematic structural view of the opening/closing driving column of the present invention.
FIG. 5 is a top cross-sectional view of the opening and closing drive column 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 5, a roller bit comprises a bit body 1, a ring sleeve 2, a roller bit 3 and an opening and closing adjusting mechanism 4. The ring sleeve 2 is arranged at the upper end of the drill rod body 1; the opening and closing adjusting mechanism 4 comprises a connecting block 42, a driving rod 41, an opening and closing driving column 43, a moving seat 44 and a guide limiting plate 45. The connecting block 42 is arranged inside the ring sleeve 2; the driving rod 41 is rotatably and telescopically arranged in the middle of the connecting block 42; the upper end of the driving rod 41 is rotatably clamped in the middle of the lower end of the opening and closing driving column 43; the periphery of the opening and closing driving column 43 is in sliding clamping connection with a plurality of moving seats 44; the opening and closing driving column 43 drives the plurality of moving seats 44 to move horizontally and synchronously when moving vertically; the upper ends of the movable seats 44 are respectively provided with a roller bit 3; a guide groove 442 is arranged on the outer side of the movable seat 44; one end of the guiding limit plate 45 is connected in the guiding groove 442 outside the moving seat 44 in a penetrating manner, and the other end is fixed on the inner wall of the ring sleeve 2.
As shown in fig. 1 to 5, in order to facilitate the horizontal driving of the plurality of movable seats 44 by the opening and closing driving column 43, it is further preferable that the opening and closing driving column 43 has a conical structure with a large top and a small bottom; the inner side of the moving seat 44 is provided with an abutting inclined surface 444; the moving seat 44 is abutted on the outer side surface of the opening and closing driving column 43 through an abutting inclined surface 444; a plurality of clamping chutes 431 are uniformly arranged around the opening and closing driving column 43; the inner side of the moving seat 44 is provided with a sliding clamping tooth 441 on the abutting inclined plane 444; the movable seat 44 is slidably engaged in the engaging inclined groove 431 of the opening/closing driving post 43 through a sliding engaging tooth 441. Further preferably, in order to discharge the mined dust, an open-close discharge channel 433 is arranged in the middle of the open-close driving column 43; a driving discharge channel 411 is arranged in the axial direction of the driving rod 41; the opening and closing discharge channel 433 is communicated with the driving discharge channel 411; the upper end of the driving rod 41 is provided with a rotary clamping ring gear 412; a rotary clamping ring groove 434 is arranged around the middle of the opening and closing discharge channel 433; the driving rod 41 is rotatably clamped on the rotary clamping ring groove 434 through the rotary clamping ring tooth 412 at the upper end; the guide limit plate 45 is provided with an auxiliary discharge port 451; a plurality of bottom discharge openings 421 are uniformly arranged around the connecting block 42. More preferably, an opening-closing plate 21 is arranged on one side of the bottom of the ring sleeve 2; the bottom of the ring sleeve 2 is provided with a discharge sloping plate 23; one end of the discharging inclined plate 23 is provided with a discharging opening 22. Preferably, a tapered feeding port 432 is arranged at the upper end of the opening and closing discharge channel 433 on the opening and closing driving column 43; the tapered inlet 432 is a tapered structure with a large top and a small bottom.
As shown in fig. 1 to 5, in order to facilitate the locking of the movable seat 44, it is further preferable that the opening and closing adjustment mechanism 4 further includes a T-shaped locking screw 46; a locking thread groove 443 is arranged on the outer side of the moving seat 44; t-shaped cross-connecting grooves 24 are formed in the periphery of the ring sleeve 2; the penetrating and connecting grooves 24 on the periphery of the ring sleeve 2 correspond to the locking thread grooves 443 on the outer side of the movable seat 44; one end of the T-shaped locking screw 46 passes through the T-shaped penetrating groove 24 of the ring sleeve 2 and then is in threaded connection with the locking thread groove 443 of the movable seat 44; the outside of the T-shaped locking screw 46 abuts within the T-shaped cross-over slot 24. Further preferably, a thread groove is arranged in the middle of the connecting block 42; external threads are arranged on the outer side of the periphery of the driving rod 41; the driving rod 41 is connected to the thread groove of the connecting block 42 in a screwing and telescopic manner through external threads on the outer side. Further preferably, the opening and closing adjusting mechanism 4 further comprises a stable elastic body 47; the stable elastic body 47 is installed in the guide groove 442 outside the movable seat 44; the stable elastic body 47 is elastically compressed and pressed against one end of the guide limit plate 45. More preferably, the guide groove 442 and the guide limit plate 45 on the outer side of the movable seat 44 are both rectangular.
The invention changes the fixed connection structure of the traditional roller bit 3 and the drill rod body, the invention is additionally provided with the opening and closing adjusting mechanism 4, the opening and closing driving column 43 is driven by the driving rod 41 to longitudinally extend and retract, and then the opening and closing driving column 43 drives the plurality of movable seats 44 to horizontally and radially move along the opening and closing driving column 43, so that the distance between the roller bits 3 at the upper ends of the plurality of movable seats 43 is changed, the mining area is changed, and the invention has flexible use and high mining efficiency.
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 (8)
1. A roller bit drill rod is characterized by comprising a drill rod body, a ring sleeve, a roller bit and an opening and closing adjusting mechanism; the ring sleeve is arranged at the upper end of the drill rod body; the opening and closing adjusting mechanism comprises a connecting block, a driving rod, an opening and closing driving column, a moving seat and a guide limiting plate; the connecting block is arranged in the ring sleeve; the driving rod is rotatably and telescopically arranged in the middle of the connecting block; the upper end of the driving rod is rotatably clamped in the middle of the lower end of the opening and closing driving column; the periphery of the opening and closing driving column is slidably clamped with a plurality of moving seats; the opening and closing driving column drives the plurality of moving seats to horizontally and synchronously move when vertically moving; the upper ends of the movable seats are respectively provided with a roller bit; the outer side of the movable seat is provided with a guide groove; one end of the guide limit plate is connected in the guide groove on the outer side of the movable seat in a penetrating manner, and the other end of the guide limit plate is fixed on the inner wall of the ring sleeve; an opening and closing material discharging channel is arranged in the middle of the opening and closing driving column; a driving discharge channel is arranged in the axial direction of the driving rod; the opening and closing discharge channel is communicated with the driving discharge channel; the upper end of the driving rod is provided with a rotary clamping ring gear; the periphery of the middle of the opening and closing discharge channel is provided with a rotary clamping ring groove; the driving rod is rotationally clamped on the rotary clamping ring groove through the rotary clamping ring tooth at the upper end; the guide limit plate is provided with an auxiliary discharge port; and a plurality of bottom discharge ports are uniformly formed around the connecting block.
2. The roller cone drill rod as claimed in claim 1, wherein the open-close driving column is in a conical structure with a large upper part and a small lower part; the inner side of the movable seat is provided with an abutting inclined plane; the movable seat is abutted against the outer side surface of the opening and closing driving column through an abutting inclined surface; a plurality of clamping chutes are uniformly arranged around the opening and closing driving column; the inner side of the movable seat is abutted with the inclined plane and is provided with sliding clamping teeth; the movable seat is connected in a clamping chute of the opening and closing driving column in a sliding clamping manner through sliding clamping teeth.
3. The roller bit drill rod as claimed in claim 1, wherein an opening plate is provided on one side of the bottom of the collar; the bottom of the ring sleeve is provided with a discharge inclined plate; one end of the discharging inclined plate is provided with a discharging opening.
4. The roller drill rod as claimed in claim 1, wherein a tapered feeding port is arranged at the upper end of the opening and closing discharge channel on the opening and closing driving column; the conical feeding port is in a conical structure with a large upper part and a small lower part.
5. The roller cone drill rod of claim 1, wherein the opening and closing adjustment mechanism further comprises a T-shaped locking screw; a locking thread groove is arranged on the outer side of the movable seat; t-shaped through connecting grooves are formed in the periphery of the ring sleeve; the penetrating grooves on the periphery of the ring sleeve correspond to the locking thread grooves on the outer side of the movable seat; one end of the T-shaped locking screw rod penetrates through the T-shaped penetrating groove of the ring sleeve and then is in threaded connection with the locking thread groove of the movable seat; the outer side of the T-shaped locking screw rod is abutted in the T-shaped through groove.
6. The roller bit drill rod as claimed in claim 1, wherein a thread groove is formed in the middle of the connecting block; external threads are arranged on the outer side of the periphery of the driving rod; the driving rod is connected to the thread groove of the connecting block in a rotating and telescopic mode through external threads on the outer side.
7. The roller cone drill rod of claim 1, wherein the opening and closing adjustment mechanism further comprises a stabilizing elastomer; the stable elastomer is arranged in a guide groove on the outer side of the movable seat; the stable elastic body is elastically compressed and pressed at one end of the guide limiting plate.
8. The roller bit drill rod as claimed in claim 1, wherein the guide groove and the guide limit plate on the outer side of the movable seat are both rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352983.8A CN110331938B (en) | 2019-04-29 | 2019-04-29 | Roller bit drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352983.8A CN110331938B (en) | 2019-04-29 | 2019-04-29 | Roller bit drill rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110331938A CN110331938A (en) | 2019-10-15 |
| CN110331938B true CN110331938B (en) | 2020-12-01 |
Family
ID=68139774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910352983.8A Active CN110331938B (en) | 2019-04-29 | 2019-04-29 | Roller bit drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110331938B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188973A (en) * | 2023-10-07 | 2023-12-08 | 内蒙古西蒙悦达能源有限公司 | Efficient open pit coal mine down-the-hole punching device and method |
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2019
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| Publication number | Publication date |
|---|---|
| CN110331938A (en) | 2019-10-15 |
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