CN218150852U

CN218150852U - Fishing device for underground operation

Info

Publication number: CN218150852U
Application number: CN202222658134.5U
Authority: CN
Inventors: 豆文涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2022-12-27
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses an borehole operation fishing device, be block structure's salvage pipe including the top, the bottom right side of salvaging the pipe is inlayed and is equipped with the camera, shoots the picture condition in the pit through the camera, and the front side fixedly connected with light of camera throws light on to the pit through the light for the picture that the camera was shot is more clear, sets up the first through-hole that the bottom set up for the opening on the left side inner wall of salvaging the pipe. The utility model discloses a camera and light cooperate, make things convenient for personnel to know the audio-visual condition in the pit of seeing clearly to make things convenient for personnel to accurately salvage, improve salvage efficiency, and through multistage electric telescopic handle, rotary clamping mechanism and the setting that shelters from the mechanism, can carry out the centre gripping to the junk and accomodate after fixing, and shelter from to its bottom, can effectually avoid promoting the phenomenon that the in-process junk dropped once more, improve salvage stability.

Description

Fishing device for underground operation

Technical Field

The utility model relates to an equipment technical field is salvaged in the borehole operation, especially relates to an borehole operation fishing device.

Background

The underground operation is the technical means of guaranteeing normal production of an oil-water well in the process of oil field exploration and development, a method for processing falling objects in the underground operation is generally implemented by adopting a fishing spear for fishing, an oil pipe falling to the underground is fished through the fishing spear, an oil rod or a small falling object is fished, the falling object is hung and hooked through a hanging hook on the fishing spear, the existing method of fishing, hanging and hooking through the fishing spear is low in fishing stability, particularly the small falling object, the phenomenon that the falling object falls again due to shaking easily in the process of moving the fishing spear upwards is easy, and due to the fact that the underground is deep, fishing personnel cannot visually see the position of the falling object, the fishing efficiency is influenced, the using requirements cannot be met, and the conditions are integrated, so that the underground operation fishing device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fishing device for underground operation.

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

a fishing device for underground operation comprises a fishing pipe with a top end of a blocking structure, wherein a camera is embedded on the right side of the bottom end of the fishing pipe, the underground picture condition is shot through the camera, a lighting lamp is fixedly connected to the front side of the camera, the underground is illuminated through the lighting lamp, the picture shot by the camera is clearer, a first through hole with an opening at the bottom is formed in the inner wall of the left side of the fishing pipe, a shielding mechanism is rotatably installed between the inner wall of the front side and the inner wall of the rear side of the first through hole, the shielding mechanism is movably sleeved in the fishing pipe and used for shielding the bottom of the fishing pipe, a band-type brake motor with an output shaft fixedly connected with the front end of the shielding mechanism is fixedly connected to the front side of the fishing pipe and used for driving the shielding mechanism to rotate and fix, the locking principle of the band-type brake motor is the existing technology and is not elucidated here, the inner wall of the right side of the fishing pipe is fixedly connected with a first light-touch switch which is movably contacted with the top of the shielding mechanism, the first light-touch switch is electrically connected with a band-type brake motor, the fishing pipe is internally and slidably sleeved with a mounting box with an opening at the bottom, the inner wall of the top of the fishing pipe is embedded with a multi-stage electric telescopic rod of which the output shaft is fixedly connected with the top of the mounting box, the multi-stage electric telescopic rod is used for driving the mounting box to move up and down, a rotary clamping mechanism is rotatably arranged between the inner wall of the front side and the inner wall of the rear side of the mounting box and used for clamping falling objects, the bottoms of the two rotary clamping mechanisms extend to the lower part of the mounting box, the two rotary clamping mechanisms are fixedly sleeved with the same rotary driving mechanism which is used for synchronously driving the two rotary clamping mechanisms to rotate, and the two sides of the rotary driving mechanism are respectively and fixedly connected with the inner walls of the two sides of the mounting box, fixedly connected with output shaft and rotary driving mechanism fixed connection's a electric telescopic handle on the right side inner wall of mounting box, a electric telescopic handle is used for driving rotary driving mechanism and removes.

Preferably, shelter from the mechanism and include that the rotation of rotation installation is between first through-hole front side inner wall and rear side changes the roller, changes the right side fixedly connected with activity cover of roller and establish the shielding plate in salvaging the pipe, right side, front side and the rear side of shielding plate respectively with salvage right side inner wall, front side inner wall and the rear side inner wall movable contact of pipe, the top of shielding plate and the first touching end movable contact who dabs the switch bottom, the output shaft rear end of band-type brake motor and the front end fixed mounting who changes the roller.

Preferably, rotatory fixture installs the pivot between mounting box front side inner wall and rear side inner wall including rotating, and fixed cover is equipped with the ring in the pivot, and the L shape bull stick that the bottom fixedly connected with slope of ring set up, two L shape bull stick symmetries set up, and the bottom fixedly connected with splint of L shape bull stick, one side that two splint are close to each other all establish to the arc structure, carry out the centre gripping to the junk through two splint.

Preferably, the rotary driving mechanism comprises two gears, a gear fixing sleeve is arranged on a corresponding rotating shaft, racks are respectively meshed with the top of the gear positioned on the left side and the bottom of the gear positioned on the right side, the gears can be driven to rotate while the positions of the racks move in a meshed mode through the gears and the racks, the two racks are symmetrically arranged, a connecting rod is fixedly connected between one sides of the two racks close to each other, a guide rod is fixedly connected between the inner walls of the two sides of the mounting box, a first guide block is fixedly connected to the left end of the rack positioned on the left side, a second guide block is fixedly connected to the right end of the rack positioned on the right side, the first guide block and the second guide block are respectively sleeved on the guide rod in a sliding mode, a first guide block, the second guide block and the guide rod are matched, a guide effect is achieved on the racks, a moving block is fixedly connected to the top of the rack positioned on the left side, and a moving block is fixedly connected to the left end of an output shaft of the first electric telescopic rod.

Preferably, fixedly connected with second slightly touches the switch on salvaging the right side inner wall of pipe, the second slightly touch the bottom of switch for touch the end and with the top movable contact of mounting box, the second slightly touch switch and band-type brake motor and multistage electric telescopic handle electric connection, the second slightly touches the switch and is used for controlling multistage electric telescopic handle to close and control the band-type brake motor and open, can automatic control open through the second slightly touches the switch, improves automation mechanized operation.

Preferably, built-in signal transceiver module that has in the camera, signal transceiver module matches and is provided with cell-phone APP, and the camera can transmit the picture information of shooing for cell-phone APP through signal transceiver module, makes things convenient for the audio-visual condition in the pit of seeing clearly of personnel, fixedly connected with controller on the top inner wall of salvage pipe, controller and signal transceiver module electric connection, controller and multistage electric telescopic handle and band-type brake motor electric connection.

Preferably, the front side of the first electric telescopic rod is fixed and is electrically connected with a wireless remote control switch, the wireless remote control switch is matched with an external remote controller, the wireless remote control switch and the external remote controller are matched in a mode, the remote control effect can be realized, and the top end of the fishing pipe is fixedly connected with a U-shaped hanging rod.

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

1. through the matching of the camera and the illuminating lamp, the falling object condition in the well can be clearly shot and transmitted to the mobile phone APP, so that the personnel can clearly and visually see the condition in the well, and the personnel can conveniently and accurately salvage the falling object;

2. the rotary clamping mechanism, the rotary driving mechanism and the first electric telescopic rod are matched, so that falling objects can be stably clamped and fixed;

3. through the arrangement of the multi-stage electric telescopic rods, the clamped falling objects can be stored in the fishing pipe;

4. the bottom of the salvage pipe can be shielded through the matching of the shielding mechanism and the band-type brake motor, so that the bottom of a salvaged falling object is shielded, and the phenomenon that the falling object falls again in the lifting process can be effectively avoided through clamping, fixing, containing and shielding the bottom of the falling object;

the utility model discloses a camera and light cooperate, make things convenient for personnel to know the audio-visual condition in the pit of seeing clearly to make things convenient for personnel to accurately salvage, improve salvage efficiency, and through multistage electric telescopic handle, rotary clamping mechanism and the setting that shelters from the mechanism, can carry out the centre gripping to the junk and accomodate after fixing, and shelter from to its bottom, can effectually avoid promoting the phenomenon that the in-process junk dropped once more, improve salvage stability.

Drawings

Fig. 1 is a schematic perspective view of a fishing device for downhole operation according to the present invention;

FIG. 2 is a schematic sectional view of a downhole fishing device according to the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is the three-dimensional structure schematic diagram of the L-shaped rotating rod and the clamping plate connecting piece of the fishing device for underground operation provided by the utility model.

In the figure: 100. fishing the pipe; 1. a first through hole; 2. rotating the roller; 3. a shielding plate; 4. a band-type brake motor; 5. a camera; 6. an illuminating lamp; 7. a first tact switch; 8. a multi-stage electric telescopic rod; 9. mounting a box; 10. a second tact switch; 11. a guide rod; 12. a rotating shaft; 13. a gear; 14. a rack; 15. a moving block; 16. a first electric telescopic rod; 17. a second guide block; 18. an L-shaped rotating rod; 19. and (4) clamping the plate.

Detailed Description

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

Referring to fig. 1-4, a fishing device for downhole operation comprises a fishing pipe 100 with a top end of a plugging structure, wherein the top end of the fishing pipe 100 is fixedly connected with a U-shaped suspension rod which is connected with an external lifting rope through the U-shaped suspension rod to facilitate the lifting of the fishing pipe 100, the right side of the bottom end of the fishing pipe 100 is embedded with a camera 5, a signal transceiver module is embedded in the camera 5 and is provided with a mobile phone APP in a matching manner, a controller is fixedly connected to the inner wall of the top of the fishing pipe 100 and is electrically connected with the signal transceiver module, the camera 5 transmits the information of pictures shot underground to the mobile phone APP through the signal transceiver module, so that people can visually see the pictures under the well conveniently, an illuminating lamp 6 is fixedly connected to the front side of the camera 5, and the camera 5 is matched with the illuminating lamp 6 to clearly shoot the conditions under the well, the inner wall of the left side of the fishing pipe 100 is provided with a first through hole 1 with an opening at the bottom, a shielding mechanism is rotatably arranged between the inner wall of the front side and the inner wall of the rear side of the first through hole 1, the shielding mechanism is movably sleeved in the fishing pipe 100, the front side of the fishing pipe 100 is fixedly connected with a band-type brake motor 4 with an output shaft fixedly connected with the front end of the shielding mechanism, the shielding mechanism comprises a rotating roller 2 rotatably arranged between the inner wall of the front side and the rear side of the first through hole 1, wherein the inner wall of the front side and the inner wall of the rear side of the first through hole 1 are both fixedly connected with a first bearing, a pin shaft is fixedly sleeved in the inner ring of the first bearing, one ends of the two pin shafts close to each other are respectively fixedly connected with the front end and the rear end of the rotating roller 2, the pin shaft is matched with the first bearing to play the role of rotatably installing the rotating roller 2, the right side of the rotating roller 2 is fixedly connected with a shielding plate 3 movably sleeved in the fishing pipe 100, the right side, the front side and the rear side of the baffle plate 3 are respectively in movable contact with the right inner wall, the front inner wall and the rear inner wall of the fishing pipe 100, the bottom end of the fishing pipe 100 is shielded by the baffle plate 3, and the rear end of an output shaft of the band-type brake motor 4 is fixedly installed with the front end of a pin shaft positioned on the front side;

a first tact switch 7 which is movably contacted with the top of the shielding plate 3 is fixedly connected to the inner wall of the right side of the fishing tube 100, the first tact switch 7 is electrically connected with the band-type brake motor 4, a mounting box 9 with the bottom being provided with an opening is sleeved in the fishing tube 100 in a sliding manner, a multi-stage electric telescopic rod 8 with an output shaft fixedly connected with the top of the mounting box 9 is embedded on the inner wall of the top of the fishing tube 100, a controller is electrically connected with the multi-stage electric telescopic rod 8 and the band-type brake motor 4 and can control the multi-stage electric telescopic rod 8 and the band-type brake motor 4 to be opened in the forward direction when the falling object is monitored, a mounting hole for mounting the multi-stage electric telescopic rod 8 is formed in the inner wall of the top end of the fishing tube 100, rotary clamping mechanisms are rotatably mounted between the inner wall of the front side and the inner wall of the rear side of the mounting box 9, and the bottoms of the two rotary clamping mechanisms extend to the lower side of the mounting box 9, the rotary clamping mechanism comprises a rotating shaft 12 which is rotatably installed between the front side inner wall and the rear side inner wall of the installation box 9, wherein two second bearings are fixedly connected to the front side inner wall and the rear side inner wall of the installation box 9 respectively, the inner sides of the inner rings of the second bearings are fixedly connected with the outer sides of the corresponding rotating shafts 12, the second bearings have the effect of rotatably installing the rotating shafts 12, a circular ring is fixedly sleeved on the rotating shafts 12, the bottom of the circular ring is fixedly connected with L-shaped rotating rods 18 which are obliquely arranged, the two L-shaped rotating rods 18 are symmetrically arranged, clamping plates 19 are fixedly connected to the bottom ends of the L-shaped rotating rods 18, one sides, close to each other, of the two clamping plates 19 are respectively of an arc structure, anti-skid rubber is fixedly bonded to one side, close to each other, of the two clamping plates 19, the anti-skid rubber is arranged, the phenomenon of skidding in the clamping process can be effectively reduced, and the clamping stability is improved;

the two rotating shafts 12 are fixedly sleeved with the same rotary driving mechanism, two sides of the rotary driving mechanism are respectively and fixedly connected with the inner walls of two sides of the mounting box 9, the inner wall of the right side of the mounting box 9 is fixedly connected with a first electric telescopic rod 16 of which the output shaft is fixedly connected with the rotary driving mechanism, wherein the front side of the first electric telescopic rod 16 is fixed and electrically connected with a wireless remote control switch which is provided with an external remote controller in a matching way, the wireless remote control switch is matched with an external remote controller, so that the remote control effect can be realized, wherein the rotary driving mechanism comprises two gears 13, the gears 13 are fixedly sleeved on the corresponding rotating shafts 12, racks 14 are respectively meshed at the top of the gear 13 positioned at the left side and the bottom of the gear 13 positioned at the right side, the two racks 14 are symmetrically arranged, a connecting rod is fixedly connected between the mutually adjacent sides of the two racks 14, the connection between the two racks 14 is realized through the connecting rod, the guide rod 11 is fixedly connected between the inner walls of the two sides of the mounting box 9, the left end of the rack 14 positioned at the left side is fixedly connected with the first guide block, the right end of the rack 14 positioned at the right side is fixedly connected with the second guide block 17, the first guide block and the second guide block 17 are both sheathed on the guide rod 11 in a sliding way, the right side of the first guide block and the right side of the second guide block 17 are both provided with guide holes, the inner walls of the guide holes are in sliding connection with the outer side of the guide rod 11, the first guide block, the second guide block 17 and the guide rod 11 are matched to play a guide effect on the rack 14, the top of the rack 14 positioned on the left side is fixedly connected with a moving block 15 which is sleeved on the guide rod 11 in a sliding way, the right side of the moving block 15 is provided with a through hole which is in sliding connection with the outer side of the guide rod 11, and the right side of the moving block 15 is fixedly connected with the left end of an output shaft of the first electric telescopic rod 16;

salvage pipe 100's right side inner wall on fixedly connected with second light touch switch 10, the second light touch switch 10 the bottom for touch the end and with the top movable contact of mounting box 9, the second light touch switch 10 with band-type brake motor 4 and multistage electric telescopic handle 8 electric connection, lightly touch switch 10 control band-type brake motor 4 through the second and open and control multistage electric telescopic handle 8 and close, the utility model discloses a camera 5 and light 6 cooperate, make things convenient for the clear audio-visual condition in the pit of seeing clearly, thereby make things convenient for personnel to salvage accurately, improve and salvage efficiency, and through multistage electric telescopic handle 8, rotatory fixture and the setting that shelters from the mechanism, can carry out the centre gripping to the junk and accomodate after fixing, and shelter from its bottom, can effectually avoid promoting the phenomenon that the in-process junk dropped once more, improve and salvage stability.

The working principle is as follows: when the fishing pipe is used, an external lifting rope is tied to the U-shaped suspension rod, when the fishing pipe 100 is placed underground for fishing operation, the underground is illuminated through the illuminating lamp 6, meanwhile, the underground condition is shot through the camera 5, the underground condition can be clearly shot through the auxiliary illumination mode of the illuminating lamp 6, the shot picture is transmitted to the mobile phone APP through the signal receiving and transmitting module by the camera 5, personnel can visually see the underground condition through the mobile phone APP, when falling objects are shot by the camera 5, the signal receiving and transmitting module transmits information to the controller, the controller controls the forward opening of the band-type brake motor 4 and the multistage electric telescopic rod 8, the output shaft of the band-type brake motor 4 drives the shielding plate 3 to rotate downwards through the rotating roller 2 to remove shielding at the bottom of the fishing pipe 100, meanwhile, the output shaft of the multistage electric telescopic rod 8 drives the mounting box 9 to move downwards, and the mounting box 9 drives the two rotary clamping mechanisms to move downwards to move out of the fishing pipe 100;

when the rotary clamping mechanism moves to the position of a falling object, the wireless remote control switch is controlled by an external remote controller to control the first electric telescopic rod 16 to be started reversely, an output shaft of the first electric telescopic rod 16 drives the moving block 15 to slide rightwards on the guide rod 11, the moving block 15 drives the rack 14 on the left side to move rightwards, the rack 14 on the left side drives the rack 14 on the right side to move rightwards through the connecting rod, the rack 14 drives the corresponding gear 13 to rotate, the gear 13 drives the corresponding rotating shaft 12 to rotate, the two rotating shafts 12 drive the two L-shaped rotating rods 18 to rotate in the direction of separating from each other due to the symmetrical arrangement of the two racks 14, the two L-shaped rotating rods 18 drive the two clamping plates 19 to move in the direction of separating from each other, then the rotary clamping mechanism continues to move downwards, when the two clamping plates 19 on the rotary clamping mechanism move to the two sides of the falling object, the first electric telescopic rod 16 is started forwardly, similarly, the movement direction of the first electric telescopic rod 16 is opposite to the movement direction of the first electric telescopic rod 16 which is started reversely, so that the two clamping plates 19 are turned to be turned to the directions close to each other, the two clamping plates 19 are used for clamping the falling object while turning, after the falling object is observed to be clamped through the mobile phone APP, the multistage electric telescopic rod 8 is started reversely, similarly, the movement process of the multistage electric telescopic rod 8 is opposite to the movement process of the multistage electric telescopic rod 8 which is started forwardly, so that the falling object is clamped by the two rotary clamping mechanisms to move upwards into the fishing pipe 100, when the mounting box 9 moves upwards to be contacted with the bottom of the second light touch switch 10, the second light touch switch 10 is triggered to be started, the second light touch switch 10 controls the multistage electric telescopic rod 8 to be closed and controls the band-type brake motor 4 to be started reversely, so that the output shaft of the band-type brake motor 4 drives the shielding plate 3 to turn upwards through the rotating roller 2 to shield the bottom of the fishing pipe 100, when the top right side of the shielding plate 3 is contacted with the bottom of the first light touch switch 7, triggering the first tact switch 7 to be started, controlling the band-type brake motor 4 to be closed by the first tact switch 7, lifting the external lifting rope to move the fishing pipe 100 out of the well, wherein in the process of lifting the fishing pipe 100, the falling objects are clamped and fixed between the two clamping plates 19, the bottom of the fishing pipe 100 is shielded by the shielding plate 3, and the phenomenon that the falling objects fall off again can be effectively avoided by clamping and shielding the falling objects from the bottom, so that the fishing stability is improved;

when the salvage object needs to be moved out, the contracting brake motor 4 is started forward again, the shielding plate 3 is enabled to rotate downwards again to remove shielding of the salvage pipe 100, the first electric telescopic rod 16 is started forward immediately, the movement process of starting the first electric telescopic rod 16 reversely in the same way is opposite, the two clamping plates 19 are enabled to rotate towards the direction far away from each other to remove clamping of the salvage object, and the salvaged junk object can be moved out of the salvage pipe 100 at the moment.

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, 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.

Claims

1. A fishing device for underground operation comprises a fishing pipe (100) with a top end of a blocking structure, and is characterized in that a camera (5) is embedded on the right side of the bottom end of the fishing pipe (100), an illuminating lamp (6) is fixedly connected to the front side of the camera (5), a first through hole (1) with an opening at the bottom is formed in the inner wall of the left side of the fishing pipe (100), a shielding mechanism is rotatably installed between the inner wall of the front side and the inner wall of the rear side of the first through hole (1), the shielding mechanism is movably sleeved in the fishing pipe (100), a brake motor (4) fixedly connected with an output shaft and the front end of the shielding mechanism is fixedly connected to the front side of the fishing pipe (100), a first tact switch (7) movably contacted with the top of the shielding mechanism is fixedly connected to the inner wall of the right side of the fishing pipe (100), the first tact switch (7) is electrically connected with the brake motor (4), a mounting box (9) with an opening at the bottom is sleeved in the fishing pipe (100), two rotary clamping mechanisms are arranged on the inner wall of the top of the fishing pipe (100), two rotary clamping mechanisms and two rotary clamping mechanisms are respectively arranged on the inner wall of the front side and the inner wall of the rotary clamping mechanism, a first electric telescopic rod (16) fixedly connected with an output shaft and a rotary driving mechanism is fixedly connected to the inner wall of the right side of the mounting box (9).

2. The fishing device for underground operation according to claim 1, wherein the shielding mechanism comprises a rotating roller (2) rotatably installed between the front inner wall and the rear inner wall of the first through hole (1), a shielding plate (3) movably sleeved in the fishing pipe (100) is fixedly connected to the right side of the rotating roller (2), the right side, the front side and the rear side of the shielding plate (3) are respectively in movable contact with the right inner wall, the front inner wall and the rear inner wall of the fishing pipe (100), the top of the shielding plate (3) is in movable contact with a touch end at the bottom of the first tact switch (7), and the rear end of an output shaft of the brake motor (4) is fixedly installed with the front end of the rotating roller (2).

3. A fishing device for downhole operation according to claim 1, wherein the rotary clamping mechanism comprises a rotating shaft (12) rotatably mounted between the front inner wall and the rear inner wall of the mounting box (9), a ring is fixedly mounted on the rotating shaft (12), an L-shaped rotating rod (18) obliquely arranged is fixedly connected to the bottom of the ring, the two L-shaped rotating rods (18) are symmetrically arranged, a clamping plate (19) is fixedly connected to the bottom end of the L-shaped rotating rod (18), and one side of the two clamping plates (19) close to each other is provided with an arc-shaped structure.

4. A fishing device for underground operation according to claim 3, wherein the rotary driving mechanism comprises two gears (13), the gears (13) are fixedly sleeved on the corresponding rotating shafts (12), racks (14) are respectively engaged at the top of the left gear (13) and the bottom of the right gear (13), the two racks (14) are symmetrically arranged, a connecting rod is fixedly connected between the two adjacent sides of the two racks (14), a guide rod (11) is fixedly connected between the inner walls of the two sides of the mounting box (9), a first guide block is fixedly connected at the left end of the left rack (14), a second guide block (17) is fixedly connected at the right end of the right rack (14), the first guide block and the second guide block (17) are both slidably sleeved on the guide rod (11), a moving block (15) is fixedly connected at the top of the left rack (14) and slidably sleeved on the guide rod (11), and the right side of the moving block (15) is fixedly connected with the left end of the output shaft of the first electric telescopic rod (16).

5. The fishing device for downhole operation according to claim 1, wherein a second light-touch switch (10) is fixedly connected to the inner wall of the right side of the fishing pipe (100), the bottom of the second light-touch switch (10) is a touch end and is in movable contact with the top of the mounting box (9), and the second light-touch switch (10) is electrically connected with the band-type brake motor (4) and the multi-stage electric telescopic rod (8).

6. The fishing device for downhole operation according to claim 1, wherein a signal receiving and transmitting module is arranged in the camera (5), the signal receiving and transmitting module is provided with a mobile phone APP in a matching manner, a controller is fixedly connected to the inner wall of the top of the fishing pipe (100), the controller is electrically connected with the signal receiving and transmitting module, and the controller is electrically connected with the multi-stage electric telescopic rod (8) and the band-type brake motor (4).

7. The fishing device for downhole operation according to claim 1, wherein the front side of the first electric telescopic rod (16) is fixedly and electrically connected with a wireless remote control switch, the wireless remote control switch is provided with an external remote controller in a matching way, and the top end of the fishing pipe (100) is fixedly connected with a U-shaped suspension rod.