CN214145433U - Novel slips trip spear - Google Patents
Novel slips trip spear Download PDFInfo
- Publication number
- CN214145433U CN214145433U CN202022232505.4U CN202022232505U CN214145433U CN 214145433 U CN214145433 U CN 214145433U CN 202022232505 U CN202022232505 U CN 202022232505U CN 214145433 U CN214145433 U CN 214145433U
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- spear
- lance
- fishing
- milling
- fishing spear
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Abstract
The utility model discloses a novel slip fishing spear, which comprises a fishing spear body, wherein the fishing spear body comprises a top rod sleeve and a spear rod, a torsion spring is fixedly connected between the ejector rod sleeve and the lance, one end of the lance far away from the ejector rod sleeve is provided with a milling rod head, the surface of the milling rod head is provided with milling teeth at equal intervals in a ring shape, the surface of the spear is symmetrically provided with two groups of dovetail grooves, slips are arranged in the dovetail groove in a sliding mode and are of a low alloy steel block structure, a trapezoidal groove is formed in one side, close to the milling head, of the dovetail groove, a locking block is fixedly arranged in the trapezoidal groove through screws, the fishing spear can be milled before entering the inner hole of the fish, the obstacle is cleared, so that the slip of the fishing spear smoothly slides into the inner diameter of the fish and carries out fishing operation, so that the slip of the fishing spear smoothly slides into the inner diameter of the fish and carries out fishing operation, and the fishing success rate is improved.
Description
Technical Field
The utility model relates to an oil field is fishing tool technical field for well workover, concretely relates to novel slips trip spear.
Background
In the well repairing process, the well repairing operation is hindered from being normally constructed by the conditions that a downhole tool is broken or tripped off, part of a pipe column is blocked and the like, and a drilling tool falling into the well is also called as 'fish falling' by industrial personnel. In the fishing fish process, when the fish is too heavy or the back-off is not opened, the existing fishing spear cannot release the fish or is difficult to release the fish, so that new blockage is caused, and the trouble which is difficult to solve is caused for well repairing operation.
Often because of the fish surface is irregular in the use in the past, or the hole adheres to reasons such as silt, burr, and lead to inside ordinary fishing spear can not get into the fish smoothly, salvage the operation, consequently, need a novel slips fishing spear urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel slips trip spear, fixedly connected with torsional spring between fishing spear body upper portion and the joint, the cooperation is dragged for spear body lower part and is milled the structure in addition, can make fishing spear get into earlier mill it before the fish hole, clears away the obstacle for fishing spear slips smoothly slides in the fish internal diameter and salvage the operation, and it is high to improve and salvage the success rate, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel slips trip spear, includes the trip spear body, the trip spear body includes ejector pin cover and lance, fixedly connected with torsional spring between ejector pin cover and the lance, the lance is kept away from ejector pin cover one end and is provided with the milling pole head, milling pole head surface annular equidistance has been seted up and has been milled the tooth.
Two sets of dovetail grooves are symmetrically formed in the surface of the spear rod, slips are slidably mounted in the dovetail grooves and are of a low alloy steel block structure, a trapezoidal groove is formed in one side, close to the milling head, of the dovetail groove, and a locking block is fixedly mounted in the trapezoidal groove through screws.
The ejector rod sleeve is characterized in that fixing blocks are fixedly connected to two sides of the inner wall of the ejector rod sleeve, first through holes are formed in the fixing blocks, and the first through holes and the torsion springs are arranged in a matched mode.
The top of the ejector rod sleeve is provided with an internal thread, and the internal thread is matched with the connecting position of the drilling tool.
The cross section of the locking block is approximately in an isosceles trapezoid structure, and the upper surfaces of the two groups of locking blocks are arc-shaped and equal to the diameters of the upper surfaces of the locking blocks and the excircle of the lance.
The locking block is internally provided with a second through hole, and the screw penetrates through the second through hole and is installed in the lance in a threaded manner.
To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:
the utility model discloses in, fixedly connected with torsional spring between fishing spear body upper portion and joint, the cooperation is fished spear body lower part and is milled the structure in addition, can make fishing spear get into earlier and mill it before the fish hole, clears away the obstacle for the fishing spear slips slides in the fish internal diameter smoothly and salvages the operation, and the success rate height is salvaged in the improvement.
Drawings
Fig. 1 is a schematic cross-sectional view of a main view spear of a slip fishing spear of the present invention;
fig. 2 is a schematic view of a sectional structure of a main-view ejector rod sleeve of the slip fishing spear of the present invention;
fig. 3 is the enlarged schematic structural diagram of part a in fig. 1 of the novel slip fishing spear of the present invention.
In the figure: 1. a fishing spear body; 101. a jack rod sleeve; 102. a lance; 103. a torsion spring; 104. Grinding and milling a rod head; 105. grinding and milling teeth; 2. a dovetail groove; 3. slips; 4. a trapezoidal groove; 5. A locking block; 6. a fixed block; 7. a first through hole; 8. an internal thread; 9. a screw; 10. a second via.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation of the specification.
The utility model provides a as shown in fig. 1-3 a novel slips fishing spear, including fishing spear body 1, fishing spear body 1 includes ejector pin cover 101 and lance 102, lance 102 is the hollow tube setting, fixedly connected with torsional spring 103 between ejector pin cover 101 and the lance 102, lance 102 keeps away from ejector pin cover 101 one end and is provided with milling rod head 104, milling rod head 104 surface annular equidistance has seted up milling teeth 105, can make things convenient for the fish to introduce, also can clear up the fish inside to make things convenient for the fishing operation, through the surface high frequency treatment mode for milling teeth 105 has high hardness and intensity, can grind off smoothly and influence fishing operation barrier, makes fishing work go on smoothly.
The surfaces of the spears 102 are symmetrically provided with two groups of dovetail grooves 2, the dovetail grooves 2 are arranged, the cross sections of the dovetail grooves are dovetail-shaped, the upper openings of the dovetail grooves are small, the lower openings of the dovetail grooves are large, and the outer diameters of the two slips 3 are gradually increased when the slips slide along the dovetail grooves 2 from top to bottom; slips 3 are slidably mounted in the dovetail grooves 2, the slips 3 are arranged in a low alloy steel block structure, and the outer surface of the locking block 5 has high hardness and strength through surface heat treatment and can bite fish; the slips 3 are a part of a spear 102, the diameter of the outer surface of the spear is matched with the inner diameter of a fish, and a plurality of annular sawtooth-shaped fishing teeth are distributed and matched with the dovetail grooves 2 on the ejector rod sleeve 101.
The structure principle is as follows: fixedly connected with torsional spring 103 between the top bar cover 101 on salvaging spear body 1 upper portion and the joint of lance 102, the milling rod head 104 of cooperation lance 102 lower part, milling rod head 104 surface is provided with mills tooth 105, can make salvaging spear body 1 mill it before getting into the fish hole completely, clear away the obstacle, make slips 3 of salvaging spear body 1 slide smoothly into the fish internal diameter and salvage the operation, it is high to improve and salvage the success rate, wherein set up torsional spring 103, can receive external force at lance 102 after, natural rotation, it circles round to drive mills tooth 105, reinforcing milling effect and dynamics.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The utility model provides a novel slips trip spear, includes trip spear body (1), its characterized in that: the fishing spear body (1) comprises a top rod sleeve (101) and a lance (102), a torsion spring (103) is fixedly connected between the top rod sleeve (101) and the lance (102), one end, far away from the top rod sleeve (101), of the lance (102) is provided with a milling rod head (104), and milling teeth (105) are arranged on the surface of the milling rod head (104) in an annular and equidistant mode.
2. The novel slip fishing spear of claim 1, wherein: two sets of dovetail grooves (2) have been seted up to lance (102) surface symmetry, slidable mounting has slips (3) in dovetail groove (2), slips (3) are the setting of low alloy steel block structure, dovetail groove (2) are close to milling head (104) one side and have been seted up dovetail groove (4), there is locking piece (5) through screw (9) fixed mounting in dovetail groove (4).
3. The novel slip fishing spear of claim 1, wherein: ejector pin cover (101) inner wall both sides fixedly connected with fixed block (6), first through-hole (7) have all been seted up in fixed block (6), first through-hole (7) and torsional spring (103) match the setting.
4. The novel slip fishing spear of claim 1, wherein: the top of the ejector rod sleeve (101) is provided with an internal thread (8), and the internal thread (8) is matched with the connecting position of the drilling tool.
5. The novel slip fishing spear of claim 2, wherein: the cross section of the locking block (5) is approximately in an isosceles trapezoid structure, and the upper surfaces of the two groups of locking blocks (5) are arc-shaped and equal to the diameters of the upper surface of the locking block (5) and the excircle of the lance (102).
6. The novel slip fishing spear of claim 2, wherein: a second through hole (10) is formed in the locking block (5), and the screw (9) penetrates through the second through hole (10) and is installed in the lance (102) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022232505.4U CN214145433U (en) | 2020-10-09 | 2020-10-09 | Novel slips trip spear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022232505.4U CN214145433U (en) | 2020-10-09 | 2020-10-09 | Novel slips trip spear |
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| Publication Number | Publication Date |
|---|---|
| CN214145433U true CN214145433U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022232505.4U Active CN214145433U (en) | 2020-10-09 | 2020-10-09 | Novel slips trip spear |
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| CN (1) | CN214145433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961622A (en) * | 2022-06-20 | 2022-08-30 | 石兴安 | Fishing tool |
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2020
- 2020-10-09 CN CN202022232505.4U patent/CN214145433U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961622A (en) * | 2022-06-20 | 2022-08-30 | 石兴安 | Fishing tool |
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