CN208686342U - 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
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- CN208686342U CN208686342U CN201821551242.XU CN201821551242U CN208686342U CN 208686342 U CN208686342 U CN 208686342U CN 201821551242 U CN201821551242 U CN 201821551242U CN 208686342 U CN208686342 U CN 208686342U
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- coal mine
- fishing spear
- female coupling
- screw thread
- hole drilling
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Abstract
The utility model 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 utility model 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 utility model belongs to coal mine machinery technical field, and in particular to a kind of for coal mine down-hole drilling accident treatment
Compound 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.
Utility model content
In view of this, the utility model aim is to provide a kind of compound salvaging for coal mine down-hole drilling accident treatment
Cone, by solving the problems, such as slacking off, mentioning that brill is hampered and thread making is difficult, to improve fishing success ratio, saving fishing
Time and cost.
Following technical solution that in order to achieve the above object, the utility model provides:
The utility model provides a kind of compound fishing spear for coal mine down-hole drilling accident treatment, the compound fishing spear
It is made of mutual sheathing and the die nipple being located by connecting, female coupling tap, the outwardly extending axial direction in junction of the self-positioning connection of female coupling tap
Inwall processing has a flared cone cell thread making screw thread, the junction of the self-positioning connection of die nipple 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.
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 utility model are: the utility model delicate structure is simple, by by existing salvaging male and female coning
Row is ingenious to be combined into an effective entirety, and manufacturing cost is low, can be improved salvaging cone wedge and extremely fixes the general of the drilling tool that fractures
Rate, and installation composite sheet is set and gauge item enables fishing spear to handle to send brill and mention brill and be hampered situation, make to improve salvaging
The success rate of industry.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is achieved and obtained.
Detailed description of the invention
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be preferably described in detail, in which:
Fig. 1 is that the compound fishing spear of the utility model (die nipple is longer than female coupling tap) is connected schematic diagram；
Fig. 2 is the axial sectional view of Fig. 1；
Fig. 3 is the compound fishing spear of the utility model (die nipple is shorter than female coupling tap) integrated connection figure；
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 utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, 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 utility model embodiment；It is practical at this
In novel description, it is to be understood that if having the instructions such as term " on ", "lower", "left", "right", "front", "rear" orientation or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
The terms describing the positional relationship in the drawings are only for illustration for this, should not be understood as the limitation to this patent, for ability
For the those of ordinary skill in domain, 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 above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the scope of the claims of the utility model.
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 |
|---|---|---|---|
| CN201821551242.XU CN208686342U (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 |
|---|---|---|---|
| CN201821551242.XU CN208686342U (en) | 2018-09-21 | 2018-09-21 | A kind of compound fishing spear for coal mine down-hole drilling accident treatment |
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| Publication Number | Publication Date |
|---|---|
| CN208686342U true CN208686342U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821551242.XU Active CN208686342U (en) | 2018-09-21 | 2018-09-21 | A kind of compound fishing spear for coal mine down-hole drilling accident treatment |
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| CN (1) | CN208686342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999584A (en) * | 2018-09-21 | 2018-12-14 | 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 CN201821551242.XU patent/CN208686342U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999584A (en) * | 2018-09-21 | 2018-12-14 | 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 |
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