Telescopic fishing device for oil well

Abstract

The utility model belongs to the technical field of oil well exploitation, and particularly relates to a telescopic fishing device for an oil well, which comprises an elastic net, a telescopic net rack and a driving component, the elastic net is mounted on a support rod of the telescopic net rack, the support rod is rotatably connected in a mounting groove formed in a base, and the upper end of the support rod penetrates through the base and a driving disc of the driving component. An arc-shaped groove matched with the supporting rod is formed in the driving disc, a gear motor fixedly connected to the driving disc is fixedly connected to the base through a fixing frame, and a connecting frame is fixedly connected to the fixing frame. The telescopic net body is used as a device for salvaging objects, during salvaging, the supporting rod drives the elastic net to be smoothly opened and closed, the net body is opened in an oil well, moves along with a downhole tool and covers the objects to be salvaged, then the net body is closed to hold the objects to be salvaged, and the objects to be salvaged are salvaged. The device is simple in structure, convenient to operate, convenient to use, high in fishing speed and high in efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of oil well exploitation, in particular to a telescopic fishing device for an oil well. Background Art

[0002] With the rapid development of oil companies and the improvement of various aspects of technology in recent years, my country has become a major oil exporter, which has brought considerable driving force to my country's national economy and a role model for major industries in terms of economic and social benefits. However, as oil companies shoulder more and more responsibilities, problems and drawbacks have also emerged in technology. One of them is oil and water well salvage, which has increasingly shown some drawbacks and outdated technology that can no longer keep up with the development speed of oil companies. Oil and water well salvage seems to be a simple and easy thing, but in actual operation, it is not as simple as imagined. As the types of oil wells increase and the types of debris are different, the difficulty of salvage is also increasing. At present, it relies on operational salvage, which is costly, time-consuming, and has a long cycle, and seriously affects oil salvage production. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the shortcomings of the prior art, the utility model provides a retractable salvaging device for oil wells, which solves the problem that salvaging by operation is high in cost, time-consuming, has a long cycle and seriously affects the oil recovery production.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A telescopic salvage device for an oil well comprises an elastic net, a telescopic grid frame and a driving assembly, wherein the elastic net is mounted on a support rod of the telescopic grid frame, the support rod is rotatably connected to a mounting groove provided on a base, and the upper end of the support rod passes through the base and a driving disk of the driving assembly, an arc groove matching the support rod is provided on the driving disk, and a reduction motor fixedly connected to the driving disk is fixedly connected to the base via a fixing frame, and a connecting frame is fixedly connected to the fixing frame.

[0008] Furthermore, the pin shaft seat integrally arranged on the support rod is rotatably connected to the connecting ear at the mounting groove position on the base through the pin shaft, fixing rings are arranged at equal intervals on the support rod, a through hole for inserting an elastic rope is provided on the ball head integrally arranged at the lower end of the support rod, a connecting sleeve is arranged at the middle position of the base, and a connecting seat is integrally arranged at the edge position of the base, and the connecting seat is fixedly connected to the lower end of the fixing frame by bolts.

[0009] Furthermore, a through-type rotating shaft is integrally provided at the middle part of the driving disk, a reinforcing rib is fixedly connected between the rotating shaft and the upper surface of the driving disk, and the lower end of the rotating shaft is inserted into the connecting sleeve at the middle part of the base, the rotating shaft is rotatably connected to the connecting sleeve through a bearing, and the upper end of the rotating shaft is fixedly connected to the output shaft of the reduction motor, the motor seat of the reduction motor is fixedly connected to the fixing frame by bolts, and the protective cover fixedly connected to the fixing frame is arranged on the outside of the reduction motor.

[0010] Furthermore, a connector is integrally provided on the connecting frame arranged on the upper part of the fixing frame.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the utility model provides a retractable fishing device for oil wells, which has the following beneficial effects:

[0013] The utility model utilizes a retractable net as a device for salvaging objects. During salvaging, the support rod drives the elastic net to open and close smoothly, the net is opened in the oil well and moves along with the downhole tool, and is covered on the object to be salvaged. Then the net is closed to hold the object to be salvaged, and moves along with the downhole tool to complete the salvage operation. The utility model has a simple structure, convenient operation, easy use, fast salvage speed and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is an enlarged view of the structure of the telescopic grid in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the driving component in the utility model.

[0017] In the figure: 1. elastic net; 2. telescopic net frame; 201. base; 2011. connecting seat; 202. support rod; 2021. pin seat; 2022. fixing ring; 2023. ball head; 203. mounting groove; 204. connecting ear; 3. driving assembly; 301. driving disk; 302. arc groove; 303. rotating shaft; 3031. reinforcing rib plate; 304. reduction motor; 3041. motor seat; 4. fixing frame; 401. protective cover; 5. connecting frame; 501. connecting head. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, an embodiment of the utility model proposes: a telescopic salvage device for oil wells, comprising an elastic net 1, a telescopic grid frame 2 and a driving assembly 3, the elastic net 1 is installed on the support rod 202 of the telescopic grid frame 2, and the support rod 202 is used as a bearing rod of the elastic net 1 to achieve stable installation of the elastic net 1. At the same time, the support rod 202 is used to drive the elastic net 1 to open and close smoothly during use. During salvage, the net mouth of the elastic net 1 is opened and moved to the salvage position in the oil well, and covered on the object to be salvaged, and then the support rod 202 is driven to rotate on the base 201 to close the elastic net 1, and the object to be salvaged is covered in the elastic net 1. Finally, the entire device is taken out of the oil well, and the object is salvaged together with it. The structure is simple, the operation is convenient, and it is easy to use. The support rod 202 is rotatably connected to the installation slot 203 opened on the base 201, which ensures that The support rod 202 is ensured to be stably installed on the base 201 and to rotate smoothly on the base 201 during operation, and the upper end of the support rod 202 passes through the base 201 and the driving disk 301 of the driving assembly 3, and the driving disk 301 is provided with an arc groove 302 that matches the support rod 202, so that the upper end of the support rod 202 can be pushed by the arc groove 302 during the rotation of the driving disk 301, so that the support rod 202 can rotate on the installation groove 203, and the expansion and closing operations of the elastic net 1 can be achieved, and the reduction motor 304 fixedly connected to the driving disk 301 is fixedly connected to the base 201 through the fixing frame 4, ensuring that the reduction motor 304 is stably installed and drives the driving disk 301 to rotate, and the fixing frame 4 is fixedly connected with the connecting frame 5 as a connecting component of the entire connecting frame 5, so that the entire device can be smoothly connected to the downhole tool.

[0021] like Figure 1 and Figure 2As shown, in some embodiments, the pin seat 2021 integrally provided on the support rod 202 is rotatably connected to the connecting ear 204 at the mounting groove 203 on the base 201 through the pin, and the support rod 202 is stably mounted on the base 201 by the cooperation between the two, and the support rod 202 is ensured to rotate smoothly on the base 201 during use. The support rod 202 is provided with fixed rings 2022 at equal intervals, which is convenient for fixing the rope system of the elastic net 1 to the fixed rings 2022, and the elastic net 1 is stably mounted on the support rod 202, ensuring a stable connection between the two. The ball head 2023 is provided with a through hole for inserting an elastic rope, which is convenient for fixing the elastic rope arranged on the lower mesh opening of the elastic net 1 to the support rod 202, and stably connecting the lower mesh opening to the lower end of the support rod 202, so as to ensure that the support rod 202 can smoothly drive the lower mesh opening of the elastic net 1 to open and close, and a connecting sleeve is provided at the middle part of the base 201, and a connecting seat 2011 is integrally provided at the edge of the base 201, and the connecting seat 2011 is fixedly connected to the lower end of the fixing frame 4 by bolts, so that the fixing frame 4 is stably connected to the base 201, thereby realizing a stable connection between the two.

[0022] like Figure 1 and Figure 3 As shown, in some embodiments, a through-type rotating shaft 303 is integrally provided at the middle part of the driving disk 301, and a reinforcing rib 3031 is fixedly connected between the rotating shaft 303 and the upper surface of the driving disk 301, so as to improve the connection strength between the two and ensure that the two are stably connected together, so that the rotating shaft 303 can drive the driving disk 301 to rotate later, and the lower end of the rotating shaft 303 is inserted into the connecting sleeve at the middle part of the base 201, and the rotating shaft 303 is rotatably connected to the connecting sleeve through a bearing, so as to stably install the driving disk 301 on the base 201 and ensure that the driving disk 301 rotates smoothly on the base 201 during use. The support rod 202 is then driven to rotate on the base 201, thereby opening and closing the elastic net 1 to ensure stable use, and the upper end of the rotating shaft 303 is fixedly connected to the output shaft of the reduction motor 304 to ensure that the reduction motor 304 drives the rotating shaft 303 to rotate. The motor seat 3041 of the reduction motor 304 is fixedly connected to the fixing frame 4 by bolts, which is convenient for stably installing the reduction motor 304 on the fixing frame 4 to achieve the purpose of stable installation. The protective cover 401 fixedly connected to the fixing frame 4 is arranged on the outside of the reduction motor 304, and the reduction motor 304 is protected by the protective cover 401 to ensure stable and smooth use.

[0023] like Figure 1As shown, in some embodiments, a connector 501 is integrally provided on the connecting frame 5 arranged on the upper part of the fixing frame 4. The connecting frame 5 serves as the mounting frame of the entire device, which facilitates the placement of the spherical segment on the upper part of the connector 501 into the slot of the downhole tool during use, thereby achieving a quick connection between the entire salvage device and the downhole tool, ensuring stable use, and completing the salvage operation. The downhole tool is an existing commercially available product.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A telescopic fishing device for oil wells, comprising an elastic net (1), a telescopic net frame (2) and a driving assembly (3), characterized in that: The elastic net (1) is mounted on a support rod (202) of a telescopic net frame (2); the support rod (202) is rotatably connected to a mounting groove (203) provided on a base (201); the upper end of the support rod (202) passes through the base (201) and a driving disk (301) of a driving assembly (3); an arc-shaped groove (302) matching the support rod (202) is provided on the driving disk (301); a reduction motor (304) fixedly connected to the driving disk (301) is fixedly connected to the base (201) via a fixing frame (4); and a connecting frame (5) is fixedly connected to the fixing frame (4).

2. The retractable fishing device for oil wells according to claim 1, characterized in that: The pin shaft seat (2021) integrally provided on the support rod (202) is rotatably connected to the connecting ear (204) at the mounting groove (203) on the base (201) via the pin shaft, and fixing rings (2022) are arranged at equal intervals on the support rod (202), and a through hole for inserting an elastic rope is provided on the ball head (2023) integrally provided at the lower end of the support rod (202), and a connecting sleeve is provided at the middle part of the base (201), and a connecting seat (2011) is integrally provided at the edge part of the base (201), and the connecting seat (2011) is fixedly connected to the lower end of the fixing frame (4) via bolts.

3. The retractable fishing device for oil wells according to claim 1, characterized in that: A through-type rotating shaft (303) is integrally provided at the middle portion of the driving disk (301); a reinforcing rib (3031) is fixedly connected between the rotating shaft (303) and the upper surface of the driving disk (301); the lower end of the rotating shaft (303) is inserted into a connecting sleeve at the middle portion of the base (201); the rotating shaft (303) is rotatably connected to the connecting sleeve via a bearing; the upper end of the rotating shaft (303) is fixedly connected to the output shaft of the reduction motor (304); the motor seat (3041) of the reduction motor (304) is fixedly connected to the fixing frame (4) via bolts; and a protective cover (401) fixedly connected to the fixing frame (4) is arranged outside the reduction motor (304).

4. The retractable fishing device for oil wells according to claim 1, characterized in that: A connecting head (501) is integrally provided on the connecting frame (5) arranged on the upper part of the fixing frame (4).

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