CN108625810B - External cutting tool for drilling tool - Google Patents
External cutting tool for drilling tool Download PDFInfo
- Publication number
- CN108625810B CN108625810B CN201810618749.0A CN201810618749A CN108625810B CN 108625810 B CN108625810 B CN 108625810B CN 201810618749 A CN201810618749 A CN 201810618749A CN 108625810 B CN108625810 B CN 108625810B
- Authority
- CN
- China
- Prior art keywords
- cutting knife
- sleeve
- top force
- cutting tool
- positioning
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 26
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Knives (AREA)
- Drilling Tools (AREA)
Abstract
The invention discloses an external cutting tool for a drilling tool, which comprises a sleeve, a positioning cutting tool and a movable cutting tool, wherein a threaded structure is arranged in the upper part of the sleeve, a mounting groove is formed in the lower part of the sleeve, the positioning cutting tool is arranged in the lower part of the inner part of the mounting groove, a positioning sleeve is fixed on the side surface of the positioning cutting tool, the positioning cutting tool and the positioning sleeve are fixed in the mounting groove through positioning pins, the upper end of the positioning cutting tool is connected with the upper end of the movable cutting tool through a shaft pin, a second top force column is arranged at the lower end of the movable cutting tool, a spring is arranged at the upper end of the second top force column, and a first top force column is arranged at the upper end of the spring. This rig is with external sleeve pipe cutter, this external cutting tool passes through the screw thread and links to each other with the rig, and the rig can drive whole cutter rotation, and then carries out cutting work to the drilling rod, adopts location cutting knife cooperation to remove the cutting knife setting simultaneously, like little scissors, when cutting the drilling rod, the cutter is not fragile.
Description
Technical Field
The invention relates to the technical field of underground exploration, in particular to an external cutting tool for a drilling tool.
Background
The underground drill rod needs to be cut off during an underground accident, but the existing underground drill rod has no special cutting equipment, is inconvenient to use, and is urgently needed to develop a drilling tool outer diameter cutting requirement under special environments.
Disclosure of Invention
The invention aims to provide an external cutting tool for a drilling tool, which solves the problem that the prior cutting equipment without a special technology is inconvenient to use in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an external cutting tool for drilling tool, includes sleeve pipe, location cutting knife and removal cutting knife, the inside helicitic texture that is provided with in sleeve pipe top, and the mounting groove has been seted up to the sleeve pipe below, the location cutting knife is installed to the inside below of mounting groove, and location cutting knife side is fixed with the spacer sleeve, location cutting knife and spacer sleeve pass through the locating pin to be fixed inside the mounting groove, and location cutting knife upper end links together with removal cutting knife upper end through the pivot, removal cutting knife lower extreme is installed and is removed the pin pole, and removes the pin pole and install inside removing the pinhole, the second top power post is installed to removal cutting knife lower extreme, and the spring is installed to second top power post upper end to the spring upper end is provided with first top power post.
Preferably, the sleeve is of a hollow cylindrical structure formed by high-speed steel materials, three groups of mounting grooves are uniformly formed in the side face below the sleeve, and meanwhile, the cutting knife and the movable cutting knife are mounted and positioned in the mounting grooves.
Preferably, a thread structure arranged in the upper end of the sleeve is connected with the drilling machine.
Preferably, the first top force post is installed inside the casing pipe wall, and installs between first top force post and the second top force post and be located inside the casing pipe wall at first top force post, and the second top force post that the spring below set up simultaneously is not connected with the terminal contact of removal cutting knife to first top force post and second top force post are together fixed with the spring.
Preferably, the movable pin rod is arranged in the movable pin hole and can slide up and down, and the length of the movable pin rod moving on the movable pin hole is smaller than that of the second jacking column.
Preferably, the positioning cutting knife and the moving cutting knife are made of powder high-speed steel materials, and the positioning cutting knife and the moving cutting knife are of L-shaped structures.
Preferably, a limiting strip fixed on the sleeve is arranged in the middle of the mounting groove, the upper ends of the positioning cutting knife and the moving cutting knife which are arranged in the limiting strip are hinged together through shaft pins, and the knife tips of the positioning cutting knife and the moving cutting knife are arranged in the sleeve.
Compared with the prior art, the invention has the beneficial effects that: this external use cutting tool for drilling tool, the structure sets up rationally, and this external use cutting tool passes through the screw thread and links to each other with the rig, and the rig can drive whole cutter rotation, and then carries out cutting work to the drilling rod, adopts location cutting knife cooperation to remove the cutting knife setting simultaneously, like little scissors, and the cutter is not fragile when cutting the drilling rod.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
Fig. 3 is a schematic view of a partial installation of the structure of the present invention.
In the figure: 1. the device comprises a sleeve, 2, a first jacking column, 3, a spring, 4, a second jacking column, 5, a movable pin rod, 6, a limit bar, 7, a positioning pin, 8, a positioning sleeve, 9, a positioning cutter, 10, a movable cutter, 11, a movable pin hole, 12, a mounting groove, 13, a thread structure, 14 and a shaft pin.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an external cutting tool for drilling tool, including sleeve pipe 1, location cutting knife 9 and removal cutting knife 10, sleeve pipe 1 top inside is provided with thread structure 13, and sleeve pipe 1 below has seted up mounting groove 12, sleeve pipe 1 is the cavity cylindrical structure that high-speed steel constitutes, and sleeve pipe 1 below side evenly has seted up three group's mounting groove 12, simultaneously the inside all installs with location cutting knife 9 and removal cutting knife 10 of mounting groove 12, the mounting groove 12 middle part is provided with the spacing 6 of fixing on sleeve pipe 1, and location cutting knife 9 and the removal cutting knife 10 upper end that the inside setting of spacing 6 is in the same place through pivot 14, simultaneously location cutting knife 9 and removal cutting knife 10's knife tip is in sleeve pipe 1 inside, location cutting knife 9 and removal cutting knife 10 are the high-speed steel constitution of powder, and location cutting knife 9 and removal cutting knife 10 are L type structure, the thread structure 13 arranged in the upper end of the sleeve 1 is connected with a drilling machine, the positioning cutter 9 is arranged below the inner part of the mounting groove 12, the side surface of the positioning cutter 9 is fixedly provided with the positioning sleeve 8, the positioning cutter 9 and the positioning sleeve 8 are fixed in the mounting groove 12 through the positioning pin 7, the upper end of the positioning cutter 9 is connected with the upper end of the movable cutter 10 through the shaft pin 14, the lower end of the movable cutter 10 is provided with the movable pin 5, the movable pin 5 is arranged in the movable pin hole 11 and can slide up and down, the length of the movable pin 5 moving on the movable pin hole 11 is smaller than the length of the second top force column 4, the lower end of the movable cutter 10 is provided with the second top force column 4, the upper end of the second top force column 4 is provided with the spring 3, the upper end of the spring 3 is provided with the first top force column 2, the first top force column 2 is arranged in the inner wall of the sleeve 1, and install between first top force post 2 and second top force post 4 and be located inside sleeve pipe 1 pipe wall at first top force post 2, second top force post 4 that the spring 3 below set up simultaneously is not connected with the terminal contact of removal cutting knife 10 to first top force post 2 and second top force post 4 are together fixed with spring 3.
Working principle: when the external cutting tool for the drilling tool is used, the sleeve 1 is connected with the drilling machine through the threaded structure 13, the drilling machine can drive the whole tool to rotate, the locating sleeve 8 and the locating cutting knife 9 which are arranged in the sleeve 1 are fixedly arranged in the mounting groove 12 through the locating pin 7, the locating cutting knife 9 is hinged with the movable cutting knife 10 through the shaft pin 14, the locating cutting knife 9 and the movable cutting knife 10 form a small scissor structure, the movable cutting knife 10 is arranged on the movable pin hole 11 through the movable pin 5, the movable pin 5 can be pushed to slide on the movable pin hole 11 by the corresponding second top force column 4 and the spring 3, the tool nose at the front end of the movable cutting knife 10 is contacted with a drill rod in the sleeve 1, the spring 3 has a buffering effect, and the tool is not easy to damage when the drill rod is cut, namely the whole working process of the external sleeve tool for the drilling tool.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an external cutting tool for drilling tool, includes sleeve pipe (1), location cutting knife (9) and removes cutting knife (10), its characterized in that: the utility model discloses a cutting knife, including sleeve pipe (1), sleeve pipe (1) top inside is provided with screw structure (13), and sleeve pipe (1) below has seted up mounting groove (12), location cutting knife (9) are installed to mounting groove (12) inside below, and location cutting knife (9) side is fixed with spacer sleeve (8), location cutting knife (9) and spacer sleeve (8) are fixed in mounting groove (12) inside through locating pin (7), and location cutting knife (9) upper end links together with removal cutting knife (10) upper end through pivot (14), removal pin (5) are installed to removal cutting knife (10) lower extreme, and removal pin (5) are installed in removal pinhole (11) inside, second top force post (4) are installed to removal cutting knife (10) lower extreme, and spring (3) upper end are installed to second top force post (4), and spring (3) upper end are provided with first top force post (2), mounting groove (12) middle part is provided with spacing (6) fixed on sleeve pipe (1), and location cutting knife (6) and removal cutting knife (10) are all articulated at location cutting knife (9) inside (10) through pivot (14) and removal cutting knife (1) simultaneously, the positioning cutter (9) and the moving cutter (10) are of L-shaped structures.
2. The external cutting tool for drilling tools according to claim 1, wherein: the sleeve (1) is of a hollow cylindrical structure formed by high-speed steel materials, three groups of mounting grooves (12) are uniformly formed in the lateral surface of the lower side of the sleeve (1), and meanwhile, a positioning cutting knife (9) and a movable cutting knife (10) are arranged in the mounting grooves (12).
3. The external cutting tool for drilling tools according to claim 1, wherein: a thread structure (13) arranged in the upper end of the sleeve (1) is connected with a drilling machine.
4. The external cutting tool for drilling tools according to claim 1, wherein: the first top force post (2) is installed inside the pipe wall of the sleeve (1), the spring (3) installed between the first top force post (2) and the second top force post (4) and the first top force post (2) are both located inside the pipe wall of the sleeve (1), meanwhile, the second top force post (4) arranged below the spring (3) is not connected with the tail end of the movable cutting knife (10) in a contact mode, and the first top force post (2) and the second top force post (4) are fixed with the spring (3).
5. The external cutting tool for drilling tools according to claim 1, wherein: the movable pin rod (5) is arranged in the movable pin hole (11) and can slide up and down, and the length of the movable pin rod (5) moving on the movable pin hole (11) is smaller than that of the second top force column (4).
6. The external cutting tool for drilling tools according to claim 1, wherein: the positioning cutter (9) and the moving cutter (10) are made of powder high-speed steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810618749.0A CN108625810B (en) | 2018-06-15 | 2018-06-15 | External cutting tool for drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810618749.0A CN108625810B (en) | 2018-06-15 | 2018-06-15 | External cutting tool for drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108625810A CN108625810A (en) | 2018-10-09 |
| CN108625810B true CN108625810B (en) | 2024-04-30 |
Family
ID=63691739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810618749.0A Active CN108625810B (en) | 2018-06-15 | 2018-06-15 | External cutting tool for drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108625810B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362460A (en) * | 2013-07-24 | 2013-10-23 | 武汉海王机电工程技术公司 | Dislocated support-type centering guide for cased well logger |
| CN203905848U (en) * | 2014-06-25 | 2014-10-29 | 中国石油大学(北京) | Downhole self-adaptive elastic centralizer |
| CN204386533U (en) * | 2015-01-14 | 2015-06-10 | 中国石油大学(华东) | A kind of down-hole cutter sweep |
| CN205387708U (en) * | 2016-03-18 | 2016-07-20 | 宁波鸿晨建设有限公司 | Clear stake device of disposable rotary -cut formula of a complete set of pipe |
| CN107218007A (en) * | 2017-08-02 | 2017-09-29 | 西南石油大学 | Rack pinion realizes the reducing hydraulic cutter of continuous cutting different-diameter sleeve pipe |
| CN207436980U (en) * | 2017-12-01 | 2018-06-01 | 四川康克石油科技有限公司 | A kind of box cupling tubing string cutting and fishing integrated tool |
| CN208416478U (en) * | 2018-06-15 | 2019-01-22 | 焦作市恒利水文地质工程有限责任公司 | A kind of drilling tool external application cutting tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8881817B2 (en) * | 2009-08-18 | 2014-11-11 | Smith International, Inc. | Cutting tool |
| US20150315865A1 (en) * | 2014-05-01 | 2015-11-05 | Richard Bohler | Slim Hole Pipe Cutting Apparatus |
-
2018
- 2018-06-15 CN CN201810618749.0A patent/CN108625810B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362460A (en) * | 2013-07-24 | 2013-10-23 | 武汉海王机电工程技术公司 | Dislocated support-type centering guide for cased well logger |
| CN203905848U (en) * | 2014-06-25 | 2014-10-29 | 中国石油大学(北京) | Downhole self-adaptive elastic centralizer |
| CN204386533U (en) * | 2015-01-14 | 2015-06-10 | 中国石油大学(华东) | A kind of down-hole cutter sweep |
| CN205387708U (en) * | 2016-03-18 | 2016-07-20 | 宁波鸿晨建设有限公司 | Clear stake device of disposable rotary -cut formula of a complete set of pipe |
| CN107218007A (en) * | 2017-08-02 | 2017-09-29 | 西南石油大学 | Rack pinion realizes the reducing hydraulic cutter of continuous cutting different-diameter sleeve pipe |
| CN207436980U (en) * | 2017-12-01 | 2018-06-01 | 四川康克石油科技有限公司 | A kind of box cupling tubing string cutting and fishing integrated tool |
| CN208416478U (en) * | 2018-06-15 | 2019-01-22 | 焦作市恒利水文地质工程有限责任公司 | A kind of drilling tool external application cutting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108625810A (en) | 2018-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210254331U (en) | Quick change device that rocking arm bore cutter was used | |
| CN204413224U (en) | Can the angle steel drill positioner of mold exchange | |
| CN208416478U (en) | A kind of drilling tool external application cutting tool | |
| CN110656949B (en) | Profiling tunneling system and method for model test tunnel excavation of any shape | |
| CN108092199B (en) | Cable sheath cutting tool | |
| CN108625810B (en) | External cutting tool for drilling tool | |
| CN111390057B (en) | Method for bending metal fixing strip of nose bridge of medical planar mask | |
| CN210412596U (en) | Knife rest for numerical control machine tool | |
| CN210334481U (en) | Novel high-speed steel shrinkage shank twist drill | |
| CN216881492U (en) | Equipment is decided to construction steel bar | |
| CN211939227U (en) | Clamping type tungsten steel milling cutter | |
| CN211162092U (en) | Spliced drill bit convenient to disassemble and assemble | |
| CN212945824U (en) | Pinhole annular processing tool suitable for online processing | |
| CN212945734U (en) | Boiler pipeline cutting device | |
| CN114425631A (en) | Split type adjustable twist drill and machining method thereof | |
| CN217753245U (en) | Special fixture for marking integral cubic boron nitride cutter | |
| CN221087462U (en) | Reamer fixing device convenient to dismantle | |
| CN221809391U (en) | Blade clamp of plastic pipe precision cutting equipment | |
| CN215845902U (en) | Double-edge PCD drill bit | |
| CN219833599U (en) | Simple wire stripper | |
| CN217070912U (en) | Air duct circular cutting device | |
| CN220144810U (en) | Punching device | |
| CN210877654U (en) | High-stability positioning and drilling device for rotating shaft production | |
| CN212526091U (en) | Precision cutter for machining precision round hole | |
| CN220576310U (en) | Rock blasting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |