Drill bit fishing tool of vertical shaft drilling machine

Abstract

The utility model discloses a shaft drilling machine drill bit fishing tool, and particularly relates to the technical field of fishing tools, the shaft drilling machine drill bit fishing tool comprises a vehicle body, a fishing head is arranged on the top surface of the vehicle body, a first threaded rod is movably installed on one side of the interior of the fishing head, and a first sliding rod is fixedly installed on the other side of the interior of the fishing head; and the outer surface of the first threaded rod is in threaded connection with two driving blocks. According to the fishing tool for the drill bit of the vertical shaft drilling machine, in actual work, the air cylinder pushes the movable block to ascend, the two driving arms can drive the two fishing claws to get close to each other so as to clamp and fix the drill bit of the drilling machine, the first threaded rod rotates, the two driving blocks can ascend and descend in the opposite directions, and therefore the drill bit of the vertical shaft drilling machine can be fished. The four movable rods can push the two protective covers to move so that the protective covers can be unfolded or contracted, and therefore the rising drill bit of the drilling machine can be protected conveniently, and the situation that the drill bit of the drilling machine falls off secondarily due to the fact that the drill bit of the drilling machine is hit by falling stones in the vertical shaft is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of fishing tools, in particular to a fishing tool for a vertical shaft drilling rig drill bit. Background Art

[0002] A vertical shaft is a well-shaped pipe with an upright wall. It is actually a collapsed funnel, which is square, long or irregularly circular in plane contour. When constructing a vertical shaft, a drilling rig is required. During the construction process, the drill bit of the drilling rig may break or separate. At this time, a salvage tool is needed to salvage the broken or separated drill bit.

[0003] After searching, for example, the utility model with application number 201921396780.0 discloses an opening and closing drill bit salvage device, including a hollow connector, a shell and a clamp connected in sequence, and a rotating frame, a nut and a screw are provided in the shell. One end of the rotating frame extends out from the upper end through hole of the shell and is fixedly connected to the bottom of the hollow connector, and the other end is clamped in the interior of the shell and rotatably connected to the inner side wall of the shell. In the process of salvaging the drill bit in the vertical shaft, the stones falling in the vertical shaft are easy to hit the drill bit, and then the drill bit is easy to fall for the second time during the rising process of the drill bit. The utility model is not convenient for protecting the rising drill bit of the drilling rig. Therefore, in order to solve the above defects, the inventor proposes a vertical shaft drilling rig drill bit salvage tool. Utility Model Content

[0004] Therefore, the main purpose of the utility model is to provide a vertical shaft drilling rig drill bit fishing tool, which can effectively solve the problem that it is inconvenient to protect the rising drilling rig drill bit in the prior art.

[0005] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:

[0006] A vertical shaft drilling rig drill bit salvage tool, comprising a vehicle body, a salvage head is arranged on the top surface of the vehicle body, a first threaded rod is movably mounted on one side of the interior of the salvage head, and a first sliding rod is fixedly mounted on the other side of the interior of the salvage head, two driving blocks are threadedly connected to the outer surface of the first threaded rod, and the two driving blocks are movably connected to the first sliding rod, both sides of the two driving blocks are movably connected to movable rods, and the sides of the four movable rods away from the driving blocks are respectively movably connected to two protective covers, a motor is arranged inside the salvage head, and the output end of the motor is fixedly connected to the first threaded rod;

[0007] Salvage claws for salvaging the drill bit of the shaft drilling rig are movably mounted on both sides of the outer surface of the salvage head, a cylinder is fixedly mounted on the inner bottom surface of the salvage head, and a movable block is fixedly mounted on the output end of the cylinder, driving arms are movably connected to the two sides of the movable block, and the two driving arms are movably connected to the two salvage claws respectively, and a strong magnet is fixedly mounted on the outer bottom surface of the salvage head.

[0008] Preferably, a winding roller is movably installed on one side of the top surface of the vehicle body, and a steel wire rope is wound on the outer surface of the winding roller. A fixing frame is fixedly installed on one side of the top surface of the vehicle body, and a movable wheel is movably installed inside the fixing frame. The end of the steel wire rope away from the winding tube is fixedly connected to the salvaging head.

[0009] Preferably, the outer surface of the first threaded rod is provided with two opposite threads.

[0010] Preferably, a slide groove is provided on one side of the outer surface of the protective cover, a guide rod is fixedly installed inside the slide groove, a lifting block is movably connected to the outer surface of the guide rod, and an extension cover is fixedly installed on one side of the lifting block, an electric push rod is fixedly installed on the bottom surface of the protective cover, and a connecting plate is fixedly installed on the output end of the electric push rod, and the connecting plate is fixedly connected to the extension cover.

[0011] Preferably, a drive box is fixedly installed on both sides of the vehicle body, two second threaded rods are movably installed on one side of the interior of the drive box, and a second sliding rod is fixedly installed on the other side of the interior of the drive box, a synchronization rod is fixedly connected between the two second threaded rods, the outer surfaces of the two second threaded rods are threadedly connected to two mounting blocks, and the four mounting blocks are movably connected to the second sliding rod, the bottom surfaces of the four mounting blocks are movably connected to lifting rods, and the four lifting rods are movably connected to two driving wheels on one side away from the mounting blocks.

[0012] Preferably, a driving motor is fixedly mounted on one side of the outer surface of the driving box, and an output end of the driving motor is fixedly connected to one of the second threaded rods.

[0013] The utility model embodiment has the following advantages:

[0014] The utility model discloses a vertical shaft drilling rig drill bit salvaging tool. By setting a salvaging head, in actual work, a cylinder pushes a movable block to rise, and two driving arms can bring two salvaging claws close to each other to clamp and fix the drilling rig drill bit. When a first threaded rod rotates, the two driving blocks can be lifted and lowered in opposite directions. Four movable rods can push two protective covers to move, so that the protective covers can be expanded or contracted, thereby facilitating the protection of the rising drilling rig drill bit, so as to effectively prevent the rocks dropped in the vertical shaft from hitting the drilling rig drill bit and causing the drilling rig drill bit to fall again. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] The structures, proportions, sizes, etc. disclosed in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the restrictive conditions for the implementation of the utility model. Therefore, they have no substantive technical significance. Any modification of the structure, change in the proportion relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the utility model without affecting the effects and purposes that can be achieved by the utility model.

[0017] Figure 1 It is the overall structure diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the fishing head of the utility model;

[0019] Figure 3 This is a schematic diagram of the protective cover structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the salvage claw of the utility model;

[0021] Figure 5 It is a schematic cross-sectional structural diagram of the drive box of the utility model.

[0022] In the figure: 1, vehicle body; 2, fixing frame; 3, driving box; 4, winding roller; 5, movable wheel; 6, wire rope; 7, fishing head; 701, first threaded rod; 702, first sliding rod; 703, driving block; 704, movable rod; 705, protective cover; 7051, slide groove; 7052, lifting block; 7053, extension cover; 7054, electric push rod; 7055, connecting plate; 7056, guide rod; 706, fishing claw; 707, cylinder; 708, movable block; 709, driving arm; 710, strong magnet; 301, second threaded rod; 302, synchronous rod; 303, second sliding rod; 304, mounting block; 305, lifting rod; 306, driving wheel; 307, driving motor. DETAILED DESCRIPTION

[0023] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] The utility model discloses a vertical shaft drilling rig drill bit fishing tool, such as Figure 1-5 As shown, it includes a vehicle body 1, a salvaging head 7 is provided on the top surface of the vehicle body 1, a first threaded rod 701 is movably installed on one side of the interior of the salvaging head 7, and a first sliding rod 702 is fixedly installed on the other side of the interior of the salvaging head 7, two driving blocks 703 are threadedly connected to the outer surface of the first threaded rod 701, and the two driving blocks 703 are movably connected to the first sliding rod 702, and the outer surface of the first threaded rod 701 is provided with two opposite threads, and when the first threaded rod 701 rotates, the two driving blocks 703 can move in opposite directions.

[0025] Both sides of the two driving blocks 703 are movably connected with movable rods 704, and the four movable rods 704 are movably connected to two protective covers 705 on the side away from the driving blocks 703. When the two driving blocks 703 approach each other, the four movable rods 704 can push the two protective covers 705 away from each other. When the two driving blocks 703 move away from each other, the four movable rods 704 can drive the two protective covers 705 to move closer to each other. A motor is provided inside the salvage head 7, and the output end of the motor is fixedly connected to the first threaded rod 701.

[0026] Salvage claws 706 for salvaging the drill bit of the shaft drilling rig are movably installed on both sides of the outer surface of the salvage head 7, a cylinder 707 is fixedly installed on the inner bottom surface of the salvage head 7, and a movable block 708 is fixedly installed on the output end of the cylinder 707, and driving arms 709 are movably connected to both sides of the movable block 708, and the two driving arms 709 are movably connected to the two salvage claws 706 respectively. When the cylinder 707 pushes the movable block 708 to descend, the two driving arms 709 can push the two salvage claws 706 away from each other, and when the cylinder 707 drives the movable block 708 to rise, the two driving arms 709 can drive the two salvage claws 706 to move closer to each other, so as to clamp and fix the drilling rig drill bit, and a strong magnet 710 is fixedly installed on the outer bottom surface of the salvage head 7, and the strong magnet 710 can adsorb the drilling rig drill bit.

[0027] A winding roller 4 is movably installed on one side of the top surface of the vehicle body 1, and a wire rope 6 is wound on the outer surface of the winding roller 4. A fixing frame 2 is fixedly installed on one side of the top surface of the vehicle body 1, and a movable wheel 5 is movably installed inside the fixing frame 2. The end of the wire rope 6 away from the winding tube is fixedly connected to the salvaging head 7. The winding roller 4 rotates to make the wire rope 6 wind around the outer surface of the winding roller 4, and the wire rope 6 can drive the salvaging head 7 to rise to salvage the drill bit of the drilling rig.

[0028] A slide groove 7051 is provided on one side of the outer surface of the protective cover 705, a guide rod 7056 is fixedly installed inside the slide groove 7051, a lifting block 7052 is movably connected to the outer surface of the guide rod 7056, and an extension cover 7053 is fixedly installed on one side of the lifting block 7052. The lifting block 7052 can be lifted and lowered along the guide rod 7056, thereby driving the extension cover 7053 to be lifted and lowered.

[0029] An electric push rod 7054 is fixedly installed on the bottom surface of the protective cover 705, and a connecting plate 7055 is fixedly installed on the output end of the electric push rod 7054. The connecting plate 7055 is fixedly connected to the extension cover 7053. The electric push rod 7054 pushes the connecting plate 7055 to move up and down, which can drive the extension cover 7053 to move up and down.

[0030] A driving box 3 is fixedly installed on both sides of the vehicle body 1, two second threaded rods 301 are movably installed on one side of the interior of the driving box 3, and a second sliding rod is fixedly installed on the other side of the interior of the driving box 3, and a synchronization rod 302 is fixedly connected between the two second threaded rods 301. When one of the second threaded rods 301 rotates, it can drive the other second threaded rod 301 to rotate, and the outer surface of the second threaded rod 301 is provided with two sections of opposite threads, a driving motor 307 is fixedly installed on one side of the outer surface of the driving box 3, and the output end of the driving motor 307 is fixedly connected to one of the second threaded rods 301.

[0031] The outer surfaces of the two second threaded rods 301 are threadedly connected to two mounting blocks 304, and the four mounting blocks 304 are movably connected to the second sliding rod, the bottom surfaces of the four mounting blocks 304 are movably connected to lifting rods 305, and the sides of the four lifting rods 305 away from the mounting blocks 304 are respectively movably connected to two driving wheels 306. When the second threaded rods 301 rotate, the mounting blocks 304 can be moved in opposite directions, and then the lifting rods 305 can drive the driving wheels 306 to rise and fall, so that the user can push the device to move.

[0032] The working principle of the utility model is as follows: the cylinder 707 pushes the movable block 708 to rise, and the two driving arms 709 can bring the two fishing claws 706 closer to each other to clamp and fix the drill bit of the drilling rig, and the strong magnet 710 can adsorb the drill bit of the drilling rig, and then the winding roller 4 rotates to make the wire rope 6 wind around the outer surface of the winding roller 4, and the wire rope 6 can drive the fishing head 7 to rise. At this time, the first threaded rod 701 rotates, so that the two driving blocks 703 can be lifted and lowered in opposite directions, and the four movable rods 704 can push the two protective covers 705 to move, so that the protective covers 705 can be expanded or contracted, so as to protect the rising drill bit of the drilling rig.

[0033] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made based on the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. A vertical shaft drilling rig drill bit fishing tool, comprising a vehicle body (1), characterized in that: A salvaging head (7) is provided on the top surface of the vehicle body (1), a first threaded rod (701) is movably mounted on one side of the interior of the salvaging head (7), and a first sliding rod (702) is fixedly mounted on the other side of the interior of the salvaging head (7), two driving blocks (703) are threadedly connected to the outer surface of the first threaded rod (701), and the two driving blocks (703) are movably connected to the first sliding rod (702), both sides of the two driving blocks (703) are movably connected to movable rods (704), and the sides of the four movable rods (704) away from the driving blocks (703) are respectively movably connected to two protective covers (705), and a motor is provided inside the salvaging head (7), and the output end of the motor is fixedly connected to the first threaded rod (701); Salvage claws (706) for salvaging a drill bit of a vertical shaft drilling rig are movably mounted on both sides of the outer surface of the salvage head (7), a cylinder (707) is fixedly mounted on the inner bottom surface of the salvage head (7), and a movable block (708) is fixedly mounted on the output end of the cylinder (707), driving arms (709) are movably connected to both sides of the movable block (708), and the two driving arms (709) are movably connected to the two salvage claws (706) respectively, and a strong magnet (710) is fixedly mounted on the outer bottom surface of the salvage head (7).

2. A vertical shaft drilling rig drill bit fishing tool according to claim 1, characterized in that: A winding roller (4) is movably mounted on one side of the top surface of the vehicle body (1), and a steel wire rope (6) is wound around the outer surface of the winding roller (4). A fixing frame (2) is fixedly mounted on one side of the top surface of the vehicle body (1), and a movable wheel (5) is movably mounted inside the fixing frame (2). One end of the steel wire rope (6) away from the winding tube is fixedly connected to a salvaging head (7).

3. A vertical shaft drilling rig drill bit fishing tool according to claim 1, characterized in that: The outer surface of the first threaded rod (701) is provided with two opposite threads.

4. A vertical shaft drilling rig drill bit fishing tool according to claim 1, characterized in that: A slide groove (7051) is provided on one side of the outer surface of the protective cover (705), a guide rod (7056) is fixedly installed inside the slide groove (7051), a lifting block (7052) is movably connected to the outer surface of the guide rod (7056), and an extension cover (7053) is fixedly installed on one side of the lifting block (7052), an electric push rod (7054) is fixedly installed on the bottom surface of the protective cover (705), and a connecting plate (7055) is fixedly installed on the output end of the electric push rod (7054), and the connecting plate (7055) is fixedly connected to the extension cover (7053).

5. A vertical shaft drilling rig drill bit fishing tool according to claim 1, characterized in that: A drive box (3) is fixedly installed on both sides of the vehicle body (1), two second threaded rods (301) are movably installed on one side of the interior of the drive box (3), and a second sliding rod is fixedly installed on the other side of the interior of the drive box (3), a synchronization rod (302) is fixedly connected between the two second threaded rods (301), the outer surfaces of the two second threaded rods (301) are threadedly connected to two mounting blocks (304), and the four mounting blocks (304) are movably connected to the second sliding rod, the bottom surfaces of the four mounting blocks (304) are movably connected to lifting rods (305), and the sides of the four lifting rods (305) away from the mounting blocks (304) are respectively movably connected to two driving wheels (306).

6. A vertical shaft drilling rig drill bit fishing tool according to claim 5, characterized in that: A driving motor (307) is fixedly mounted on one side of the outer surface of the driving box (3), and an output end of the driving motor (307) is fixedly connected to one of the second threaded rods (301).

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