CN108999584A - A kind of compound fishing spear for coal mine down-hole drilling accident treatment - Google Patents
A kind of compound fishing spear for coal mine down-hole drilling accident treatment Download PDFInfo
- Publication number
- CN108999584A CN108999584A CN201811108890.2A CN201811108890A CN108999584A CN 108999584 A CN108999584 A CN 108999584A CN 201811108890 A CN201811108890 A CN 201811108890A CN 108999584 A CN108999584 A CN 108999584A
- Authority
- CN
- China
- Prior art keywords
- coal mine
- fishing spear
- female coupling
- screw thread
- hole drilling
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 150000001875 compounds Chemical class 0.000 title claims abstract description 29
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 230000008878 coupling Effects 0.000 claims abstract description 27
- 238000010168 coupling process Methods 0.000 claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 claims abstract description 27
- 210000002445 nipple Anatomy 0.000 claims abstract description 22
- 230000003447 ipsilateral effect Effects 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003818 cinder Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 102000012002 Aquaporin 4 Human genes 0.000 description 1
- 108010036280 Aquaporin 4 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007788 liquid Substances 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
-
- 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/16—Grappling tools, e.g. tongs or grabs combined with cutting or destroying means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Abstract
The invention discloses a kind of compound fishing spears for coal mine down-hole drilling accident treatment, belong to coal mine machinery technical field, the compound fishing spear is made of mutual sheathing and the die nipple being located by connecting, female coupling tap, the outwardly extending axial inwall processing in the junction of the self-positioning connection of female coupling tap has flared cone cell thread making screw thread, and the junction of the self-positioning connection of die nipple extends outwardly and the axial outer wall ipsilateral with flared cone cell thread making screw thread is machined with necking type cone cell thread making screw thread.The present invention by by existing salvaging male and female coning row it is ingenious be combined into one it is effective whole, has the advantages that delicate structure, easy to operate, manufacturing cost is low etc., it can be improved and salvage the probability that cone wedge extremely fixes the drilling tool that fractures, and installation cutting blade is set and gauge item enables fishing spear to handle to send brill and mention brill and be hampered situation, to improve the success rate of fishing.
Description
Technical field
The invention belongs to coal mine machinery technical fields, and in particular to a kind of for the compound of coal mine down-hole drilling accident treatment
Fishing spear.
Background technique
In coal mine down-hole drilling work progress, due to factors such as drilling tool sole mass, drilling track or wall stabilities
It influences, may cause drilling rod in hole and fracture, fracture accident for drilling rod, construction party is beaten using drilling rod feeding is salvaged under normal conditions
Fishing die nipple or box tap carry out salvaging processing to fracture drilling rod.Due to operation skill shortcoming, the factors such as drilling track is undesirable
It influences, in fact it could happen that the phenomenon that drilling rod fractures is salvaged, so that second accident is caused, after generation second accident, it will usually use
The box tap that corresponding stage is matched carries out second accident processing.
No matter an accident or second accident are handled, and existing fishing operation is primarily present three aspect problems: first is that being bored
Hole is collapsed influence, and fishing spear is usually obstructed during feeding accident section, send brill more difficult；Second is that even if fishing spear success
Send to accident section, but by structure limit often can not effective thread making, so that fishing spear is difficult to the stuck drilling tool to fracture, it is therefore desirable to no
The disconnected set that repeats mills so that fishing spear success thread making；Third is that the drilling tool if the stuck locking of fishing spear fractures, during proposing outside hole
It is mentioned in appearance and is easy to happen drilling tool when being hampered and falls off, reduce success rate.Therefore when existing fishing process technical treatment accident not
Only time-consuming and laborious and success rate is lower.
Summary of the invention
In view of this, it is an object of that present invention to provide a kind of compound fishing spear for coal mine down-hole drilling accident treatment,
By solving the problems, such as slacking off, mentioning that brill is hampered and thread making is difficult, to improve fishing success ratio, the fishing time is saved
And cost.
In order to achieve the above objectives, the present invention provides the following technical scheme that
The present invention provides a kind of compound fishing spear for coal mine down-hole drilling accident treatment, and the compound fishing spear is by phase
Die nipple, the female coupling tap composition for being mutually set with and being located by connecting, the outwardly extending axial inner wall in the junction of the self-positioning connection of female coupling tap
Be machined with flared cone cell thread making screw thread, the junction of the self-positioning connection of die nipple extend outwardly and with flared cone cell thread making
The ipsilateral axial outer wall of screw thread is machined with necking type cone cell thread making screw thread.
Further, described to be located by connecting as in welded connecting, threaded connection, spinner connection, riveting or pin shaft connection
One kind.
Further, the extended or retracted female coupling tap in one end that the die nipple is equipped with necking type cone cell thread making screw thread is equipped with flaring
One end of type cone cell thread making screw thread.
Further, the female coupling tap deviates from the outwardly protruding away from end setting of the junction being located by connecting and radially ring cloth
Multiple cutting blades.
Further, the die nipple is equipped with the water passage of connection female coupling tap inner cavity.
Further, multiple axial grooves of radial ring cloth are arranged in the female coupling tap on the junction one end outer wall being located by connecting,
Gauge item is provided in the axial groove.
The beneficial effects of the present invention are: structure of the invention is exquisite simple, by by ingenious group of coning row of existing salvaging male and female
It is effective whole to synthesize one, and manufacturing cost is low, can be improved salvaging cone wedge and extremely fix the probability for the drilling tool that fractures, and be arranged
Installation composite sheet and gauge item enable fishing spear to handle to send brill and mention brill and be hampered situation, to improve the success of fishing
Rate.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is that the compound fishing spear (die nipple is longer than female coupling tap) of the present invention is connected schematic diagram；
Fig. 2 is the axial sectional view of Fig. 1；
Fig. 3 is compound fishing spear (die nipple is shorter than female coupling tap) the integrated connection figure of the present invention；
Fig. 4 is the axial sectional view of Fig. 3；
Fig. 5 is the A-A cross-sectional view of Fig. 2 or Fig. 4.
Specific embodiment
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration,
What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；Reality in order to better illustrate the present invention
Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, should not be understood as the limitation to this patent, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1-5 is please referred to, the element numbers in attached drawing respectively indicate: 1- die nipple；2- female coupling tap；3- cutting blade；It is logical that 4- crosses water
Road；5- gauge item.
The present embodiment is basic as shown in attached drawing 1-2: this is used for the compound fishing spear of coal mine down-hole drilling accident treatment, by phase
Die nipple 1, the female coupling tap 2 for being mutually set with and being located by connecting form, and the outwardly extending axis in junction of the self-positioning connection of the female coupling tap 2 is inside
Wall is machined with flared cone cell thread making screw thread, the junction of the self-positioning connection of the die nipple 1 extend outwardly and with flared cone cell
The ipsilateral axial outer wall of thread making screw thread is machined with necking type cone cell thread making screw thread, described to be located by connecting to be welded to connect, and exists certainly
Mechanical connecting structure can also be used in different embodiments, such as: being threadedly coupled, in spinner connection, riveting or pin shaft connection
One kind.One end that die nipple 1 is equipped with necking type cone cell thread making screw thread stretches out female coupling tap 2 and is equipped with flared cone cell thread making screw thread
One end, one end retraction female coupling tap 2 that die nipple 1 is equipped with necking type cone cell thread making screw thread in various embodiments certainly, which is equipped with, to be expanded
One end of shape of the mouth as one speaks cone cell thread making screw thread, as shown in Figure 3,4.In this way, the flaring of necking type the cone cell thread making screw thread and female coupling tap of die nipple
Type cone cell thread making screw thread can form a cone space, so that the compound fishing spear front end cone space is larger, conveniently fracture
Drilling tool enters the cone space.Then when the drilling tool to fracture travels further into the cone space, the small knot of the outer imperial palace of cone space
The structure drilling tool that die nipple and female coupling tap while thread making enable the secured wedge of compound fishing spear to be extremely broken in addition.Using the above scheme, it salvages
Drilling rod send compound fishing spear to accident section, and compound fishing spear is stuck by the drilling tool to fracture locking, salvages drilling rod exit aperture thereafter
Fishing can be completed outside.
Female coupling tap 2 in the present embodiment deviates from the outwardly protruding away from end setting of the junction being located by connecting and radially ring
Multiple cutting blades 3 of cloth, the die nipple 1 are equipped with the water passage 4 of connection 2 inner cavity of female coupling tap, and the female coupling tap 2 is being located by connecting
Multiple axial grooves of radial ring cloth are set on the outer wall of junction one end, are provided with gauge item 5 in the axial groove, as shown in Figure 5.
In this way, if collapse hole or undergauge phenomenon occur for the drilling before accident section, rotation is salvaged drilling rod and is driven when being sent into compound fishing spear
Compound fishing spear rotation, the cutting blade 3 of compound fishing spear front end, which plays shear action, can effectively overcome caused by collapse hole or undergauge
It send brill to be hampered problem, compound fishing spear is made smoothly to reach accident section.Cutting blade 3 needs to be sent into inside drilling tool when playing cutting function
For flushing liquor to rinse cinder, landwaste and cooling drilling tool, partial flushing liquid stream, which washes away siltation by aquaporin-4 carrying, bores it in male and female
Between cone space cinder or landwaste so that the cone space keep clean state, guarantee die nipple and female coupling tap thread making function it is normal.
And when above mentioning compound fishing spear, if local collapse hole or slight undergauge occur in drilling, rotary rig, the compound guarantor for salvaging poppet surface
Diameter item 5 plays the function that the traditional method of indicating the pronunciation of a Chinese character is cut, and can effectively solve the difficulty for proposing and being hampered, it is ensured that compound fishing spear smoothly above mentions.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (6)
1. a kind of compound fishing spear for coal mine down-hole drilling accident treatment, which is characterized in that the compound fishing spear is by phase
Die nipple (1), female coupling tap (2) composition for being mutually set with and being located by connecting, the outwardly extending axis in junction of the self-positioning connection of female coupling tap
Inward wall is machined with flared cone cell thread making screw thread, and the junction of the self-positioning connection of die nipple extends outwardly and bores with flared
The ipsilateral axial outer wall of shape thread making screw thread is machined with necking type cone cell thread making screw thread.
2. the compound fishing spear according to claim 1 for coal mine down-hole drilling accident treatment, which is characterized in that described
It is located by connecting as one of welded connecting, threaded connection, spinner connection, riveting or pin shaft connection.
3. the compound fishing spear according to claim 1 for coal mine down-hole drilling accident treatment, which is characterized in that described
The extended or retracted female coupling tap in one end that die nipple is equipped with necking type cone cell thread making screw thread is equipped with the one of flared cone cell thread making screw thread
End.
4. the compound fishing spear according to claim 1 for coal mine down-hole drilling accident treatment, which is characterized in that described
Outwardly protruding and radially ring cloth multiple cutting blades (3) are arranged in the end that deviates from that female coupling tap deviates from the junction being located by connecting.
5. the compound fishing spear according to claim 1 for coal mine down-hole drilling accident treatment, which is characterized in that described
Die nipple is equipped with the water passage (4) of connection female coupling tap inner cavity.
6. the compound fishing spear according to claim 1 for coal mine down-hole drilling accident treatment, which is characterized in that described
Multiple axial grooves of radial ring cloth are arranged in female coupling tap on the junction one end outer wall being located by connecting, and are provided with guarantor in the axial groove
Diameter item (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108890.2A CN108999584A (en) | 2018-09-21 | 2018-09-21 | A kind of compound fishing spear for coal mine down-hole drilling accident treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108890.2A CN108999584A (en) | 2018-09-21 | 2018-09-21 | A kind of compound fishing spear for coal mine down-hole drilling accident treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108999584A true CN108999584A (en) | 2018-12-14 |
Family
ID=64592701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811108890.2A Pending CN108999584A (en) | 2018-09-21 | 2018-09-21 | A kind of compound fishing spear for coal mine down-hole drilling accident treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108999584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883153A (en) * | 2021-10-08 | 2022-01-04 | 河南航天精工制造有限公司 | Method for reducing locking torque of self-locking nut and self-locking nut assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2063164U (en) * | 1990-03-16 | 1990-10-03 | 四川石油管理局川东钻探公司 | Grinding and milling combined fishing device |
| US5222565A (en) * | 1992-04-14 | 1993-06-29 | Collinsworth Stephen M | Drill section of a drilling tool |
| CN2651424Y (en) * | 2003-08-29 | 2004-10-27 | 辽河石油勘探局工程技术研究院 | Reversible composite milling and fishing tool |
| CN201810247U (en) * | 2010-10-21 | 2011-04-27 | 中国石油集团西部钻探工程有限公司 | Milling pin tap |
| CN102966326A (en) * | 2012-11-16 | 2013-03-13 | 沈阳北方重矿机械有限公司 | Profiled salvage drill bit |
| CN202866719U (en) * | 2012-08-28 | 2013-04-10 | 中国石油天然气集团公司 | Fishing tool |
| CN204552674U (en) * | 2015-04-21 | 2015-08-12 | 黄平 | Downhole falling object catch sleeve |
| CN208686342U (en) * | 2018-09-21 | 2019-04-02 | 中煤科工集团重庆研究院有限公司 | A kind of compound fishing spear for coal mine down-hole drilling accident treatment |
-
2018
- 2018-09-21 CN CN201811108890.2A patent/CN108999584A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2063164U (en) * | 1990-03-16 | 1990-10-03 | 四川石油管理局川东钻探公司 | Grinding and milling combined fishing device |
| US5222565A (en) * | 1992-04-14 | 1993-06-29 | Collinsworth Stephen M | Drill section of a drilling tool |
| CN2651424Y (en) * | 2003-08-29 | 2004-10-27 | 辽河石油勘探局工程技术研究院 | Reversible composite milling and fishing tool |
| CN201810247U (en) * | 2010-10-21 | 2011-04-27 | 中国石油集团西部钻探工程有限公司 | Milling pin tap |
| CN202866719U (en) * | 2012-08-28 | 2013-04-10 | 中国石油天然气集团公司 | Fishing tool |
| CN102966326A (en) * | 2012-11-16 | 2013-03-13 | 沈阳北方重矿机械有限公司 | Profiled salvage drill bit |
| CN204552674U (en) * | 2015-04-21 | 2015-08-12 | 黄平 | Downhole falling object catch sleeve |
| CN208686342U (en) * | 2018-09-21 | 2019-04-02 | 中煤科工集团重庆研究院有限公司 | A kind of compound fishing spear for coal mine down-hole drilling accident treatment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883153A (en) * | 2021-10-08 | 2022-01-04 | 河南航天精工制造有限公司 | Method for reducing locking torque of self-locking nut and self-locking nut assembly |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181214 |