CN216240523U

CN216240523U - Fishing device for fallen objects in oil well

Info

Publication number: CN216240523U
Application number: CN202123152395.1U
Authority: CN
Inventors: 李娜; 陈鹏; 杨博; 罗丹; 张�杰; 高腾飞; 肖鹏; 贺洋
Original assignee: Yandan Oilfield Co ltd Zhidan Oil Production Plant
Current assignee: Yandan Oilfield Co ltd Zhidan Oil Production Plant
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-08
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses an oil well falling object fishing device, which comprises an inner pipe with an opening at the bottom, wherein the top of the inner pipe is fixedly connected with a connecting ring, the outer side of the inner pipe is sleeved with an outer pipe in a sliding manner, the bottoms of four sides of the outer pipe are fixedly connected with two hook rods, the left side of the outer pipe is fixedly connected with a transparent cover and a network camera, and the network camera is positioned in the transparent cover; the inner tube is internally provided with a sliding sleeve which is provided with a movable seat, and the bottom of the movable seat is fixedly connected with an electromagnet. According to the utility model, through the arrangement of the network camera, the person can visually watch the underground conveniently, the arrangement of the hook rod is matched to provide convenience for the person to fish up rope-type objects, the small metal pieces falling into the well can be conveniently fished in a magnetic suction mode, the bottom can be conveniently and rapidly shielded and blocked after fishing, the phenomenon that the small metal pieces fall downwards again when moving upwards can be avoided, the fishing stability is improved, and the use requirement is met.

Description

Fishing device for fallen objects in oil well

Technical Field

The utility model relates to the technical field of fishing equipment, in particular to a fishing device for fallen objects in an oil well.

Background

The method for treating the fallen objects during the maintenance and overhaul of the oil well generally adopts different fishing and collecting devices according to different fallen objects, the condition that some small metal objects fall into the well can occur in the overhaul operation process of the oil well, and the small granular metals (such as metal clips, screws, pins and the like) with small volume are generally sucked and fished by a magnetic fisher, and the principle is that the small iron objects are fished by the magnetic suction force of a magnet.

The existing fishing device for the fallen objects in the well has the defect that the bottom is not convenient to shield and block after fishing, the phenomenon that the small metal pieces are shaken again and fall into the oil well due to factors such as vibration or collision with the well wall easily occurs when the fishing device moves upwards, the fishing stability is low, the use requirement cannot be met, and the fishing device for the fallen objects in the well of the oil well is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a fishing device for falling objects in an oil well.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the fishing device for the falling objects in the oil well comprises an inner pipe with an opening at the bottom, wherein the top of the inner pipe is fixedly connected with a connecting ring, an outer pipe is sleeved outside the inner pipe in a sliding manner, two hook rods are fixedly connected to the bottoms of four sides of the outer pipe, a transparent cover and a network camera are fixedly connected to the left side of the outer pipe, and the network camera is positioned in the transparent cover;

the inner tube is internally and slidably sleeved with a moving seat, the bottom of the moving seat is fixedly connected with an electromagnet, the inner wall of the top of the inner tube is fixedly connected with a multi-stage electric telescopic rod, the extending end of the multi-stage electric telescopic rod is fixedly connected with the top of the moving seat, the inner walls of the two sides of the inner tube are respectively provided with a rectangular hole with an opening at the bottom, an incomplete gear is rotatably connected between the inner wall of the front side and the inner wall of the rear side of the rectangular hole, the bottom of the incomplete gear is fixedly connected with a baffle, the two baffles are matched, the inner walls of the two sides of the outer tube are respectively embedded with a rotary driving component, the rotary driving components are rotatably arranged between the inner wall of the front side and the inner wall of the rear side of the corresponding rectangular hole, the bottom of the rotary driving component is meshed with the top of the corresponding incomplete gear, the inner walls of the two sides of the inner tube are respectively provided with a rectangular through hole, and the inner walls of the two sides of the outer tube are respectively and fixedly connected with a moving block, one side of each of the two moving blocks, which is close to each other, penetrates through the corresponding rectangular through hole and extends into the inner pipe, the moving blocks are located above the moving seat and are matched with the moving seat, an elastic guide assembly is fixedly connected between the top inner wall and the bottom inner wall of the rectangular through hole, and the moving blocks are slidably sleeved on the corresponding elastic guide assemblies.

Preferably, the rotary driving assembly comprises a rack, the two racks are respectively embedded on the inner walls of the two sides of the outer tube, the bottom of the rack is fixedly connected with an anti-falling block, one side of the two racks, which is close to each other, is engaged with a first gear, the first gear is rotatably installed between the inner wall of the front side and the inner wall of the rear side of the corresponding rectangular hole, and the bottom of the first gear is engaged with the top of the corresponding incomplete gear.

Preferably, the elastic guide assembly comprises a guide rod fixedly connected between the top inner wall and the bottom inner wall of the corresponding rectangular through hole, a spring is movably sleeved on the guide rod, the moving block is slidably sleeved on the corresponding guide rod, and the top end and the bottom end of the spring are respectively fixedly connected with the top inner wall of the corresponding rectangular through hole and the top of the moving block.

Preferably, fixedly connected with battery on the left side inner wall of inner tube, network camera, multistage electric telescopic handle and electro-magnet all with battery electric connection, the bottom of battery is fixed and electric connection has first wireless remote control switch and second wireless remote control switch, first wireless remote control switch and electro-magnet electric connection, second wireless remote control switch and multistage electric telescopic handle electric connection, first wireless remote control switch and second wireless remote control switch all match and are provided with outside remote controller.

Preferably, a signal transmitter is arranged in the network camera and is provided with a mobile phone APP installed on the mobile phone in a matching manner, and data collected by the network camera is transmitted to the mobile phone APP through the signal transmitter.

Preferably, bearings are fixedly connected to the inner wall of the front side and the inner wall of the rear side of the rectangular hole, pin shafts are fixedly connected to the front side and the rear side of the incomplete gear, and inner rings of the bearings are fixedly sleeved with the outer sides of the corresponding pin shafts.

Preferably, the inner walls of the two sides of the outer pipe are respectively provided with an embedded groove with the bottom arranged as an opening, and the inner wall of the embedded groove is fixedly connected with the outer side of the corresponding rack.

Preferably, the top of the moving block is provided with a guide hole in sliding connection with the outer side of the corresponding guide rod.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the network camera, the person can visually watch the underground conveniently, the arrangement of the hook rod is matched to provide convenience for the person to fish up rope-type objects, the small metal pieces falling into the well can be conveniently fished in a magnetic suction mode, the bottom can be conveniently and rapidly shielded and blocked after fishing, the phenomenon that the small metal pieces fall downwards again when moving upwards can be avoided, the fishing stability is improved, and the use requirement is met.

Drawings

Fig. 1 is a schematic structural diagram of a device for salvaging the falling objects in the oil well, which is provided by the utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. an inner tube; 2. a movable seat; 3. an electromagnet; 4. a storage battery; 5. a multi-stage electric telescopic rod; 6. an outer tube; 7. a hook rod; 8. a rectangular hole; 9. a first gear; 10. an incomplete gear; 11. a rack; 12. a baffle plate; 13. a guide bar; 14. a moving block; 15. a spring; 16. a rectangular perforation; 17. a transparent cover; 18. a network camera.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, the fishing device for the junk in the oil well comprises an inner tube 1 with an opening at the bottom, wherein the top of the inner tube 1 is fixedly connected with a connecting ring, an outer tube 6 is slidably sleeved outside the inner tube 1, two hook rods 7 are fixedly connected to the bottoms of four sides of the outer tube 6, a transparent cover 17 and a network camera 18 are fixedly connected to the left side of the outer tube 6, and the network camera 18 is positioned in the transparent cover 17;

the inner tube 1 is internally provided with a sliding sleeve which is provided with a moving seat 2, the bottom of the moving seat 2 is fixedly connected with an electromagnet 3, the inner wall of the top of the inner tube 1 is fixedly connected with a multi-stage electric telescopic rod 5, the extending end of the multi-stage electric telescopic rod 5 is fixedly connected with the top of the moving seat 2, the inner walls of two sides of the inner tube 1 are respectively provided with a rectangular hole 8 with an opening at the bottom, an incomplete gear 10 is rotatably connected between the inner wall of the front side and the inner wall of the rear side of the rectangular hole 8, the bottom of the incomplete gear 10 is fixedly connected with a baffle 12, the two baffles 12 are matched, the inner walls of two sides of the outer tube 6 are respectively embedded with a rotary driving component, the rotary driving components are rotatably arranged between the inner wall of the front side and the inner wall of the rear side of the corresponding rectangular hole 8, the bottom of the rotary driving components is meshed with the top of the corresponding incomplete gear 10, the inner walls of two sides of the inner tube 1 are respectively provided with a rectangular perforation 16, the inner walls of two sides of the outer tube 6 are respectively fixedly connected with a moving block 14, one side, close to each other, of each of the two moving blocks 14 penetrates through the corresponding rectangular through hole 16 and extends into the inner tube 1, the moving blocks 14 are located above the moving seat 2 and are matched with the moving seat 2, an elastic guide assembly is fixedly connected between the top inner wall and the bottom inner wall of each rectangular through hole 16, and the moving blocks 14 are slidably sleeved on the corresponding elastic guide assemblies;

the rotary driving component comprises a rack 11, the two racks 11 are respectively embedded on the inner walls of the two sides of the outer pipe 6, the bottom of the rack 11 is fixedly connected with an anti-falling block, one side, close to each other, of each of the two racks 11 is engaged with a first gear 9, the first gear 9 is rotatably installed between the inner wall of the front side and the inner wall of the rear side of the corresponding rectangular hole 8, and the bottom of the first gear 9 is engaged with the top of the corresponding incomplete gear 10;

the elastic guide assembly comprises guide rods 13 fixedly connected between the top inner walls and the bottom inner walls of corresponding rectangular through holes 16, springs 15 are movably sleeved on the guide rods 13, moving blocks 14 are slidably sleeved on the corresponding guide rods 13, and the top ends and the bottom ends of the springs 15 are respectively fixedly connected with the top inner walls of the corresponding rectangular through holes 16 and the top portions of the moving blocks 14.

In the utility model, a storage battery 4 is fixedly connected on the inner wall of the left side of an inner pipe 1, a network camera 18, a multi-stage electric telescopic rod 5 and an electromagnet 3 are all electrically connected with the storage battery 4, the bottom of the storage battery 4 is fixedly and electrically connected with a first wireless remote control switch and a second wireless remote control switch, the first wireless remote control switch is electrically connected with the electromagnet 3, the second wireless remote control switch is electrically connected with the multi-stage electric telescopic rod 5, the first wireless remote control switch and the second wireless remote control switch are both provided with external remote controllers in a matching way, a signal transmitter is arranged in the network camera 18 and is provided with a mobile phone APP installed on a mobile phone in a matching way, data collected by the network camera 18 is transmitted to the mobile phone APP through the signal transmitter, bearings are fixedly connected on the inner wall of the front side and the inner wall of the rear side of a rectangular hole 8, and pin shafts are fixedly connected on the front side and the rear side of an incomplete gear 10, the inner ring of the bearing is fixedly sleeved with the outer side of the corresponding pin shaft, the inner walls of two sides of the outer pipe 6 are respectively provided with an embedded groove with the bottom arranged as an opening, the inner wall of each embedded groove is fixedly connected with the outer side of the corresponding rack 11, and the top of the moving block 14 is provided with a guide hole in sliding connection with the outer side of the corresponding guide rod 13.

The working principle is as follows: when the fishing device is used, one end of an external rope for lowering is fixed on the connecting ring, the inner pipe 1 is lowered into an oil well through the rope, the underground condition is monitored by the network camera 18, the acquired information is transmitted to the mobile phone APP by the network camera 18 through the signal transmitter, personnel can check the underground condition through the mobile phone, if the objects such as the steel wire rope are fished, the personnel can watch the position of the steel wire rope through the network camera 18, then the inner pipe 1 is moved to drive the hook rod 7 to hook the steel wire rope through the outer pipe 6, and then the fishing device can be moved up to hook the steel wire rope, so that the personnel can watch the underground visually, and convenience is provided for fishing the objects such as the rope;

when a small metal piece in a well needs to be salvaged, a person uses an external remote controller to control a first wireless remote control switch to start an electromagnet 3, the electromagnet 3 generates magnetic force to adsorb the small metal piece falling in the well, the external remote controller is used to control a second wireless remote control switch to control a multistage electric telescopic rod 5 to be started reversely, so that the multistage electric telescopic rod drives a moving seat 2 to slide upwards in an inner pipe 1, the moving seat 2 drives the electromagnet 3 to move upwards, the electromagnet 3 drives the adsorbed small metal piece to move upwards into the inner pipe 1, when the moving seat 2 moves upwards to extrude two movable blocks 14, the two extruded movable blocks 14 respectively slide upwards on corresponding guide rods 13 at the moment and compress two springs 15, the two movable blocks 14 drive an outer pipe 6 to slide upwards on the inner pipe 1, the outer pipe 6 drives two racks 11 to move upwards, and the two racks 11 drive two first gears 9 to rotate relatively, the two first gears 9 drive the two incomplete gears 10 to rotate oppositely, the two incomplete gears 10 drive the two baffle plates 12 to rotate towards the directions close to each other, at the moment, the two baffle plates 12 rotate to be horizontal, and a shielding part is formed below the electromagnet 3 after moving upwards, so that the purpose of quickly shielding and plugging the bottom after fishing is realized, the phenomenon that small metal parts fall downwards again when moving upwards can be avoided by a bottom plugging mode, and the fishing stability is improved;

after the metal small part is moved out, the multistage electric telescopic rod 5 is started reversely to drive the moving seat 2 to move back downwards, extrusion force on the moving block 14 is released, the elastic force of the spring 15 in a compression state drives the outer pipe 6 to move back downwards through the corresponding moving block 14, the outer pipe 6 drives the two racks 11 to move back downwards, the two racks 11 drive the two first gears 9 to rotate oppositely, the two first gears 9 drive the two baffle plates 12 to rotate towards the direction far away from each other through the two incomplete gears 10, the shielding at the bottom is relieved, the electromagnet 3 is turned off at the moment, the metal small part which is salvaged at the moment can fall downwards, and the salvage is completed.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The device for fishing the falling objects in the oil well comprises an inner pipe (1) with an opening at the bottom, wherein the top of the inner pipe (1) is fixedly connected with a connecting ring, and is characterized in that an outer pipe (6) is slidably sleeved outside the inner pipe (1), two hook rods (7) are fixedly connected to the bottoms of four sides of the outer pipe (6), a transparent cover (17) and a network camera (18) are fixedly connected to the left side of the outer pipe (6), and the network camera (18) is positioned in the transparent cover (17);

the inner tube (1) is internally provided with a sliding sleeve, a moving seat (2) is sleeved in the sliding sleeve, the bottom of the moving seat (2) is fixedly connected with an electromagnet (3), the inner wall of the top of the inner tube (1) is fixedly connected with a multi-stage electric telescopic rod (5), the extending end of the multi-stage electric telescopic rod (5) is fixedly connected with the top of the moving seat (2), the inner walls of two sides of the inner tube (1) are respectively provided with a rectangular hole (8) the bottom of which is arranged as an opening, an incomplete gear (10) is rotatably connected between the inner wall of the front side and the inner wall of the rear side of the rectangular hole (8), the bottom of the incomplete gear (10) is fixedly connected with a baffle (12), the two baffles (12) are matched with each other, the inner walls of two sides of the outer tube (6) are respectively embedded with a rotary driving component which is rotatably installed between the inner wall of the front side and the inner wall of the corresponding rectangular hole (8), the bottom of the rotary driving component is meshed with the top of the corresponding incomplete gear (10), rectangle perforation (16) have all been seted up on the both sides inner wall of inner tube (1), equal fixedly connected with movable block (14) on the both sides inner wall of outer tube (6), one side that two movable blocks (14) are close to each other runs through corresponding rectangle perforation (16) respectively and extends to in inner tube (1), movable block (14) are located the top of removing seat (2) and cooperate with removing seat (2), fixedly connected with elasticity guide assembly between the top inner wall of rectangle perforation (16) and the bottom inner wall, movable block (14) slip cap is established on the elasticity guide assembly that corresponds.

2. The device for fishing the falling objects in the oil well according to claim 1, wherein the rotary driving assembly comprises a rack (11), the two racks (11) are respectively embedded on the inner walls of the two sides of the outer pipe (6), the bottom of each rack (11) is fixedly connected with an anti-falling block, one side of each rack (11) close to each other is engaged with a first gear (9), the first gear (9) is rotatably installed between the inner wall of the front side and the inner wall of the rear side of the corresponding rectangular hole (8), and the bottom of each first gear (9) is engaged with the top of the corresponding incomplete gear (10).

3. The fishing device for the junk in the oil well is characterized in that the elastic guide assembly comprises a guide rod (13) fixedly connected between the top inner wall and the bottom inner wall of the corresponding rectangular through hole (16), a spring (15) is movably sleeved on the guide rod (13), a moving block (14) is slidably sleeved on the corresponding guide rod (13), and the top end and the bottom end of the spring (15) are respectively and fixedly connected with the top inner wall of the corresponding rectangular through hole (16) and the top of the moving block (14).

4. The device for salvaging the junk in the oil well according to the claim 1, characterized in that the inner wall of the left side of the inner pipe (1) is fixedly connected with a storage battery (4), the network camera (18), the multi-stage electric telescopic rod (5) and the electromagnet (3) are all electrically connected with the storage battery (4), the bottom of the storage battery (4) is fixedly and electrically connected with a first wireless remote control switch and a second wireless remote control switch, the first wireless remote control switch is electrically connected with the electromagnet (3), the second wireless remote control switch is electrically connected with the multi-stage electric telescopic rod (5), and the first wireless remote control switch and the second wireless remote control switch are both provided with an external remote controller in a matching manner.

5. The fishing device for the falling objects in the oil well is characterized in that a signal transmitter is arranged in the network camera (18), the signal transmitter is provided with a mobile phone APP installed on a mobile phone in a matching mode, and data collected by the network camera (18) are transmitted to the mobile phone APP through the signal transmitter.

6. The fishing device for the junk in the oil well is characterized in that bearings are fixedly connected to the front inner wall and the rear inner wall of the rectangular hole (8), pin shafts are fixedly connected to the front side and the rear side of the incomplete gear (10), and inner rings of the bearings are fixedly sleeved with the outer sides of the corresponding pin shafts.

7. The fishing device for the junk in the oil well is characterized in that the inner walls of the two sides of the outer pipe (6) are respectively provided with an embedded groove with an opening at the bottom, and the inner walls of the embedded grooves are fixedly connected with the outer sides of the corresponding racks (11).

8. The fishing device for the junk in the oil well is characterized in that the top of the moving block (14) is provided with a guide hole which is in sliding connection with the outer side of the corresponding guide rod (13).