CN213684051U - Underground fishing device - Google Patents
Underground fishing device Download PDFInfo
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- CN213684051U CN213684051U CN202022578356.7U CN202022578356U CN213684051U CN 213684051 U CN213684051 U CN 213684051U CN 202022578356 U CN202022578356 U CN 202022578356U CN 213684051 U CN213684051 U CN 213684051U
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- claw
- fishing
- drive plate
- shell
- salvage
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Abstract
A downhole fishing device comprises a shell, wherein the bottom of the shell is uniformly provided with a plurality of grooves along the radial direction, and rotating shafts are arranged in the grooves; the fishing claw is arc-shaped, the top end of the fishing claw is rotationally connected with the rotating shaft, and the fishing claw can rotate on a vertical plane; the drive plate, the casing below of locating that can reciprocate, drive flange edge be equipped with a plurality ofly with salvage claw complex chute, the chute is by drive plate bottom surface edge to the slope of drive plate top surface, salvages the claw and slides and locate in the chute, and the claw bottom rebound is salvaged in the drive when drive plate rebound, salvages the radius grow of claw bottom place circle. The utility model discloses utilize drive plate rebound drive fishing claw rotatory in vertical plane, the radius grow of fishing claw bottom place circle colludes the junk in the pit, then mentions fishing device, accomplishes salvage work, device easy operation, and applicable salvage in the junk in the pit of different volumes, the practicality is strong.
Description
Technical Field
The utility model relates to a drilling equipment technical field is relevant with a fishing device in pit very much.
Background
Conventionally, before directional operation of a directional well is started, local parameters in the well need to be measured, a straight well section track is determined, and measured data comprise required well deviation, azimuth data and the like. After the orientation is finished, the deviation and azimuth data of the whole well section are required to be acquired to check the track data of the well hole, and because the measured data is more and the adopted instruments are complex, the underground falling object accident is easy to generate, and the normal operation of the well drilling construction is seriously influenced. Because the size, shape and material of the object that falls in the pit are different, need adopt different fishing tools, the commonality is poor. The existing fishing tools are mostly of fixed structures, have large volumes, are easy to generate blocking phenomena when falling in a well, are inconvenient to use and need to be improved.
SUMMERY OF THE UTILITY MODEL
The problem to relevant prior art exists, the utility model provides a fishing device in pit, the claw is salvaged in the drive plate rebound drive, and the radius grow of claw bottom place circle is salvaged in vertical plane rotation, colludes the junk in the pit, then mentions fishing device, accomplishes salvage work, device easy operation, and applicable salvage in the junk in the pit of different volumes, and the practicality is strong.
In order to achieve the above purpose, the utility model adopts the following technology:
a downhole fishing device, comprising:
the bottom of the shell is uniformly provided with a plurality of grooves along the radial direction, and rotating shafts are arranged in the grooves;
the fishing claw is arc-shaped, the top end of the fishing claw is rotationally connected with the rotating shaft, and the fishing claw can rotate on a vertical plane;
the drive plate, the casing below of locating that can reciprocate, drive flange edge be equipped with a plurality ofly with salvage claw complex chute, the chute is by drive plate bottom surface edge to the slope of drive plate top surface, salvages the claw and slides and locate in the chute, and the claw bottom rebound is salvaged in the drive when drive plate rebound, salvages the radius grow of claw bottom place circle.
Further, the center of the shell is provided with an air cylinder, the top of the air cylinder is provided with a mounting plate, the mounting plate is mounted at the top of the shell through screws, and the telescopic rod at the bottom of the air cylinder is connected with the driving plate.
Further, a sealing ring is arranged between the telescopic rod and the inner wall of the shell.
Furthermore, the outer wall of the top of the shell is in threaded connection with a cover body, the upper half part of the cover body is conical, and the top of the cover body is connected with a hanging ring.
Furthermore, the inner side of the bottom of the fishing claw is provided with an anti-slip groove.
Furthermore, a reinforcing block is arranged on the inner side of the upper half part of the fishing claw.
Furthermore, the bottom of the driving plate is connected with a conical well descending block which is of a hollow structure.
The utility model discloses beneficial effect:
1. when fishing device dropped to the well bottom, the claw was salvaged in the drive plate rebound drive, and the radius grow of salvaging claw bottom place circle has colluded the junk in the pit, then mentions fishing device, accomplishes salvage work, device easy operation, and applicable salvage in the junk in different volumes in the pit, and the practicality is strong.
2. During salvaging, the driving plate is moved downwards firstly, the radius of the circle where the bottom end of the salvaging claw is located is minimized, the size of a salvaging device is reduced, the device is prevented from being blocked by the inner wall structure of the well when falling down in the well, the bottom of the driving plate is connected with a conical well descending block, the device can be automatically deviated and avoided when contacting with a barrier, and smooth descending of the device is guaranteed.
3. Utilize the cylinder control drive plate to reciprocate, can carry out remote control, easy operation, the cylinder passes through mounting panel detachable to be installed in the casing top, and the dismantlement and the installation of the cylinder of being convenient for device maintenance and maintenance are equipped with the sealing washer between telescopic link and the shells inner wall, can prevent that impurity from getting into the cylinder inside and causing the corruption in the well, influence the transmission of telescopic link.
4. Through seting up the antiskid groove in fishing claw bottom inboard, can prevent to drop by the underground junk of salvaging, improve and salvage efficiency, it can prevent that the overweight of underground junk from leading to fishing claw bending deformation to set up the boss to salvage claw first inboard, improves the structural stability of device.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the shell structure of the present invention.
Fig. 3 is the schematic view of the cylinder structure of the present invention.
Fig. 4 is a schematic view of the fishing claw structure of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in figures 1-2, the underground fishing device comprises a shell 1, an arc-shaped fishing claw 2 and a driving plate 3 capable of moving up and down.
A plurality of grooves 101 are uniformly formed in the bottom of the shell 1 along the radial direction, a rotating shaft 102 is arranged in each groove 101, the outer wall of the top of the shell 1 is in threaded connection with a cover body 5, the upper half part of the cover body 5 is conical, and the top of the cover body 5 is connected with a hanging ring 501.
The top end of the salvaging claw 2 is rotatably connected with the rotating shaft 102, and the salvaging claw 2 can rotate on a vertical plane.
When salvaging, the driving plate 3 is moved downwards firstly, the radius of the circle where the bottom end of the salvaging claw 2 is located is minimized, the size of the salvaging device is reduced, the preventing device is blocked by the inner wall structure of the well when falling down in the well, the conical well descending block 302 is connected to the bottom of the driving plate 3, the salvaging claw 2 can be automatically deviated and avoided when contacting with the obstacle, the smooth descending of the salvaging device is ensured, when the salvaging device falls to the bottom of the well, the driving plate 3 moves upwards to drive the salvaging claw 2 to rotate on a vertical plane, the radius of the circle where the bottom end of the salvaging claw 2 is located is enlarged, the underground falling object is hooked up, the salvaging device is lifted, the salvaging work is completed, the device is simple in operation, the salvaging.
Further, as shown in fig. 3, a cylinder 4 is disposed in the center of the housing 1, a mounting plate 401 is disposed on the top of the cylinder 4, the mounting plate 401 is mounted on the top of the housing 1 through a screw 402, an expansion link 403 at the bottom of the cylinder 4 is connected to the driving plate 3, and a sealing ring 404 is disposed between the expansion link 403 and the inner wall of the housing 1.
Utilize cylinder 4 control drive plate 3 to reciprocate, can carry out remote control, easy operation, cylinder 4 passes through mounting panel 401 detachable and installs in casing 1 top, the dismantlement and the installation of the cylinder of being convenient for device maintenance and maintenance are equipped with sealing washer 404 between telescopic link 403 and the casing 1 inner wall, can prevent that impurity from getting into the inside corruption that causes of cylinder 4 in the well, influence the transmission of telescopic link 403.
Further, as shown in fig. 4, an anti-slip groove 201 is formed on the inner side of the bottom of the fishing claw 2, and a reinforcing block 202 is arranged on the inner side of the upper half of the fishing claw 2.
Through seting up anti-skidding groove 201 in salvaging claw 2 bottom inboard, can prevent to drop by the underground junk of salvaging, improve and salvage efficiency, salvage claw 2 first inboard and set up boss 202 and can prevent that the underground junk is overweight to lead to salvaging claw 2 bending deformation, improve the structural stability of device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A downhole fishing device, comprising:
the device comprises a shell (1), wherein the bottom of the shell (1) is uniformly provided with a plurality of grooves (101) along the radial direction, and rotating shafts (102) are arranged in the grooves (101);
the fishing claw (2) is arc-shaped, the top end of the fishing claw (2) is rotatably connected with the rotating shaft (102), and the fishing claw (2) can rotate on a vertical plane;
drive plate (3), can reciprocate locate casing (1) below, drive plate (3) edge be equipped with a plurality ofly with salvage claw (2) complex chute (301), chute (301) are by drive plate (3) bottom surface edge to drive plate (3) top surface slope, salvage claw (2) and slide and locate in chute (301), drive salvage claw (2) bottom rebound when drive plate (3) rebound, salvage the radius grow of claw (2) bottom place circle.
2. A downhole fishing device as claimed in claim 1, wherein: the center of the shell (1) is provided with a cylinder (4), the top of the cylinder (4) is provided with a mounting plate (401), the mounting plate (401) is mounted at the top of the shell (1) through a screw (402), and an expansion rod (403) at the bottom of the cylinder (4) is connected with the drive plate (3).
3. A downhole fishing device as claimed in claim 1, wherein: a sealing ring (404) is arranged between the telescopic rod (403) and the inner wall of the shell (1).
4. A downhole fishing device as claimed in claim 1, wherein: the outer wall of the top of the shell (1) is in threaded connection with a cover body (5), the upper half part of the cover body (5) is conical, and the top of the cover body (5) is connected with a hanging ring (501).
5. A downhole fishing device as claimed in claim 1, wherein: an anti-slip groove (201) is arranged on the inner side of the bottom of the fishing claw (2).
6. A downhole fishing device as claimed in claim 1, wherein: the inner side of the upper half part of the salvaging claw (2) is provided with a reinforcing block (202).
7. A downhole fishing device as claimed in claim 1, wherein: the bottom of the driving plate (3) is connected with a conical well descending block (302), and the well descending block (302) is of a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022578356.7U CN213684051U (en) | 2020-11-10 | 2020-11-10 | Underground fishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022578356.7U CN213684051U (en) | 2020-11-10 | 2020-11-10 | Underground fishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684051U true CN213684051U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022578356.7U Active CN213684051U (en) | 2020-11-10 | 2020-11-10 | Underground fishing device |
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| CN (1) | CN213684051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809968A (en) * | 2022-05-05 | 2022-07-29 | 海安发达石油仪器科技有限公司 | Underground fishing device for oil well |
-
2020
- 2020-11-10 CN CN202022578356.7U patent/CN213684051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809968A (en) * | 2022-05-05 | 2022-07-29 | 海安发达石油仪器科技有限公司 | Underground fishing device for oil well |
| CN114809968B (en) * | 2022-05-05 | 2024-04-12 | 任立新 | Underground fishing device for oil well |
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