CN218934364U

CN218934364U - Rotary drilling bit fishing tool

Info

Publication number: CN218934364U
Application number: CN202223187939.2U
Authority: CN
Inventors: 商卫东; 张西坤; 夏文超; 张雅卓; 程虎; 贾保健; 刘诚
Original assignee: Zhongji Construction And Exploration Group Hainan Co ltd
Current assignee: Zhongji Construction And Exploration Group Hainan Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-28
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a rotary drilling bit fishing tool, and relates to the technical field of rotary drilling rigs. The device comprises a torque transmission square head and a pressure transmission square head needing to be salvaged, and is characterized in that: the lower end of the torque transmission square head is connected with a connecting cylinder; at least two bow plates are fixedly connected to the inner side of the lower end of the connecting cylinder, and the bow plates are uniformly distributed along the ring shape of the connecting cylinder; the bow plate is a leaf spring; the lower ends of the inner sides of the bow-shaped plates are fixedly connected with triangular barbs; the diameter of the connecting cylinder is smaller than that of the pressure transmitting square head. The beneficial effects of the utility model are as follows: when in use, the pressure transmitting square head is convenient to salvage, and the cost is low and the efficiency is high.

Description

Rotary drilling bit fishing tool

Technical Field

The utility model relates to the technical field of rotary drilling rigs, in particular to a rotary drilling bit fishing tool _。

Background

A rotary drilling rig is often used for drilling in construction. While a lot of large-block filled stones and boulders in the fully weathered layer are encountered in construction, when the rotary drilling rig drills into the rock, the drilling rig has large pressurizing force and very severe bit bounce, so that the upper and lower wear and cracking of the torque transmission square head of the drilling rig are serious, the bit pin shaft is often broken and falls off, so that the drill bit falls into the hole, the pressure transmitting square head needs to be salvaged to ensure the construction smoothness, the pressure transmitting square head is inconvenient to salvage, and the salvaging cost is high, so that a rotary drilling bit salvaging tool is needed to be provided to solve the problems.

Disclosure of Invention

The utility model aims to solve the technical problems and provides a rotary drilling bit fishing tool aiming at the technical defects. When in use, the pressure transmitting square head is convenient to salvage, and the cost is low and the efficiency is high.

The technical scheme adopted by the utility model is as follows: the utility model provides a dig drill bit fishing tool soon, including the transmission of torque square head and need salvage transmit the pressure square head, its characterized in that: the lower end of the torque transmission square head is connected with a connecting cylinder; at least two bow plates are fixedly connected to the inner side of the lower end of the connecting cylinder, and the bow plates are uniformly distributed along the ring shape of the connecting cylinder; the bow plate is a leaf spring; the lower ends of the inner sides of the bow-shaped plates are fixedly connected with triangular barbs; the diameter of the connecting cylinder is smaller than that of the pressure transmitting square head.

Further optimize this technical scheme, a rotary drill bit fishing tool's connecting cylinder is old section of thick bamboo brill, and the diameter of connecting cylinder is less than the drill bit diameter.

According to the technical scheme, the inner wall of the connecting cylinder of the rotary drilling bit fishing tool is fixedly connected with two bow plates, and the two bow plates are symmetrical along the ring shape; the length of the two bow plates is 800mm-1000mm; the bow board is a shock-absorbing bow board of a rear axle of the automobile.

Further optimizing the technical scheme, the upper end face of the triangular barb of the rotary drilling bit fishing tool is parallel to the horizontal plane; the thickness of the triangular barb is 16mm.

Further optimizing this technical scheme, the up end of the triangle barb of a rotary drill bit fishing tool is the serrated face.

Further optimize this technical scheme, a rotary drill bit fishing tool's pass all through welded fastening between turn round square head, connecting cylinder, bow board, the triangle barb.

According to the technical scheme, the two bow plates of the rotary drilling bit fishing tool are fixedly connected with the mounting sleeve; the two installation sleeves are arranged on the same horizontal plane; the front end of the mounting sleeve at the left end is rotationally connected with a connecting block through a rotating shaft; the front end of the mounting sleeve at the right end is rotationally connected with an adjusting block through a rotating shaft; the adjusting block is connected with a threaded rod in a threaded manner; the left end of the threaded rod is fixedly connected with a connecting column; the right end of the connecting block is fixedly connected with a clamping column; the left end of the connecting column is provided with a clamping groove which is in running fit with the clamping column; the diameter of the threaded rod is larger than that of the connecting column; the right end of the threaded rod is fixedly connected with a control handle.

Further optimize this technical scheme, a dig drill bit fishing tool's threaded rod right-hand member fixed connection complex rotation motor soon.

Compared with the traditional fishing tool, the utility model has the beneficial effects that:

1. the diameter of the torque transmission square head is smaller than that of the pressure transmission square head to be salvaged by matching the torque transmission square head and the connecting cylinder, so that the device is convenient to place in a hole; the diameter of the connecting cylinder is 80mm-100mm smaller than that of the square head to be salvaged and pressure transmitted, so that the connecting cylinder is convenient to put into a hole, can be used for positioning and salvaging, and is more convenient to use;

2. the connecting cylinder, the bow plate and the triangular barbs are matched, after the triangular barbs touch the pressure transmission square head, the triangular barbs are opened, after the triangular barbs pass through the large head position on the upper part of the pressure transmission square head, the barbs are contracted by the elasticity of the bow plate to hook the pressure transmission square head, and the fishing work can be completed after the triangular barbs ascend, so that the fishing operation is convenient;

3. the old barrel drill is adopted, so that the cost can be reduced, the efficiency can be improved, and the strength requirement can be met; the upper end surface of the triangular barb is a serrated surface, so that the triangular barb is convenient and better to hook and fix the pressure transmitting square head;

4. triangle barb, bow board, threaded rod, spliced pole, regulating block, card post, draw-in groove, control handle, rotating electrical machines's cooperation struts connecting block and regulating block, and convenient supplementary better salvages the use.

Drawings

FIG. 1 is a plan view of the present utility model;

FIG. 2 is a schematic view of the structure of the mounting sleeve of the present utility model;

FIG. 3 is a schematic view of the structure of the threaded rod of the present utility model with the threaded rod removed;

in the figure, 1, a torque transmission square head; 2. a pressure transmitting square head; 3. a connecting cylinder; 4. a bow plate; 5. triangular barbs; 6. serrated surfaces; 7. a mounting sleeve; 8. a connecting block; 9. an adjusting block; 10. a threaded rod; 11. a connecting column; 12. a clamping column; 13. a clamping groove; 14. a control handle.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

1-3, a rotary drill bit fishing tool, including transmission square head 1 and the transmission of need salvage press square head 2, its characterized in that: the lower end of the torque transmission square head 1 is connected with a connecting cylinder 3; at least two bow plates 4 are fixedly connected to the inner side of the lower end of the connecting cylinder 3, and the bow plates 4 are uniformly distributed along the ring shape of the connecting cylinder 3; the bow plate 4 is a leaf spring; the lower ends of the inner sides of the bow-shaped plates 4 are fixedly connected with triangular barbs 5; the diameter of the connecting cylinder 3 is smaller than that of the pressure transmission square head 2; the connecting cylinder 3 is an old cylinder drill, and the diameter of the connecting cylinder 3 is smaller than the diameter of the drill bit; the inner wall of the connecting cylinder 3 is fixedly connected with two bow plates 4, and the two bow plates 4 are symmetrical along the ring shape; the length of the two bow plates 4 is 800mm-1000mm; the bow plate 4 is a shock absorption bow plate 4 of a rear axle of the automobile; the upper end surface of the triangular barb 5 is parallel to the horizontal plane; the thickness of the triangular barb 5 is 16mm; the upper end surfaces of the triangular barbs 5 are saw tooth surfaces 6; the torque transmission square head 1, the connecting cylinder 3, the bow plate 4 and the triangular barb 5 are all fixed by welding; the two bow plates 4 are fixedly connected with a mounting sleeve 7; the two mounting sleeves 7 are on the same horizontal plane; the front end of the mounting sleeve 7 at the left end is rotationally connected with a connecting block 8 through a rotating shaft; the front end of the mounting sleeve 7 at the right end is rotationally connected with an adjusting block 9 through a rotating shaft; the adjusting block 9 is connected with a threaded rod 10 in a threaded manner; the left end of the threaded rod 10 is fixedly connected with a connecting column 11; the right end of the connecting block 8 is fixedly connected with a clamping column 12; the left end of the connecting column 11 is provided with a clamping groove 13 which is in rotary fit with the clamping column 12; the diameter of the threaded rod 10 is larger than the diameter of the connecting post 11; the right end of the threaded rod 10 is fixedly connected with a control handle 14; the right end of the threaded rod 10 is fixedly connected with a matched rotating motor.

The connecting cylinder 3 is an old cylinder drill, and the diameter of the connecting cylinder 3 is 80mm-100mm smaller than the diameter of the square head 2 needing salvaging and pressure transmission; the torque transmission square head 2 of the rotary drilling bit falls off and is salvaged; the torque transmission square head 1 is a torque transmission square head 1 of a fishing tool;

the device is connected with the salvaging equipment through the torque transmission square head 1, and then the device is moved into a hole of the pressure transmission square head 2 to be salvaged, and the diameter of the connecting cylinder 3 is smaller than the diameter of the pressure transmission square head 2 to be salvaged, so that the diameter of the hole is smaller than the diameter of the hole to be salvaged, and the device is convenient to place in the hole; the diameter of the connecting cylinder 3 is 80mm-100mm smaller than that of the square head 2 needing to be salvaged and pressure transmitted, and the diameter of the connecting cylinder 3 is not too small, so that the connecting cylinder 3 is conveniently placed into a hole, positioning and salvaging can be performed, and the use is more convenient;

the connecting cylinder 3 drives the bow plate 4 and the triangular barb 5 to move downwards, when the triangular barb 5 contacts with the pressure transmitting square head 2 to be salvaged, the triangular barb 5 is good in rigidity and elastic according to the characteristics of the bow plate 4, after the triangular barb 5 touches the pressure transmitting square head 2, the triangular barb 5 is opened by the elasticity of the bow plate 4, the device continues to move downwards, after the device passes through the big head position on the upper part of the pressure transmitting square head 2, the barb is contracted by the elasticity of the bow plate 4 to hook the pressure transmitting square head 2, and then the salvaging work can be completed by lifting the device;

the bow board 4 is a shock-absorbing bow board 4 of the rear axle of the automobile, and has low cost, good rigidity and elasticity; the connecting cylinder 3 is an old cylinder drill, the old cylinder drill can reduce cost and improve efficiency, the old cylinder drill can directly adopt a plurality of existing parts, namely a cylinder body part, an upper cover part, a torque transmission square head part and a reinforcing rib plate part, the parts are the main bodies of salvaging tools, the processing is very labor-consuming, and the strength requirements of the tools for salvaging the torque transmission square head 2 are very high, so that the existing old cylinder can meet the strength requirements; the upper end surface of the triangular barb 5 is provided with a serrated surface 6, so that the pressure transmitting square head 2 can be conveniently and better hooked and fixed;

after the salvaging is finished, sometimes the triangular barb 5 and the bow daughter board 4 clamp the pressure transmitting square head 2 too tightly and inconvenient to take down, at the moment, the threaded rod 10 and the connecting column 11 can be connected to the adjusting block 9 in a threaded manner, then the connecting column 11 is matched with the clamping column 12 on the connecting block 8 when the adjusting block 9 is rotated, the connecting column 11 is connected with the clamping column 12 and the connecting block 8 through the clamping groove 13, then the threaded rod 10 is rotated through the control handle 14 or the rotating motor, the threaded rod 10 is rotated to move to prop up the connecting block 8 and the adjusting block 9, and then the salvaged pressure transmitting square head 2 is taken down, so that the salvaging can be conveniently assisted and better; the normal salvaging use of the threaded rod 10 and the connecting column 11 can not be influenced when the threaded rod is taken down; the mounting sleeve 7, the connecting block 8 and the adjusting block 9 do not protrude out of the connecting cylinder 3, and normal salvage use of the connecting cylinder is not affected;

the rotary motor is arranged to rotate the threaded rod 10 by electric drive, so that the use is more labor-saving.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. The utility model provides a dig drill bit fishing tool soon, includes transmission and turns round square head (1) and needs the transmission that salvages to press square head (2), its characterized in that: the lower end of the torque transmission square head (1) is fixedly connected with a connecting cylinder (3); at least two bow plates (4) are fixedly connected to the inner side of the lower end of the connecting cylinder (3), and the bow plates (4) are uniformly distributed along the ring shape of the connecting cylinder (3); the bow plate (4) is a leaf spring; the lower ends of the inner sides of the bow-shaped plates (4) are fixedly connected with triangular barbs (5); the diameter of the connecting cylinder (3) is smaller than that of the pressure transmitting square head (2).

2. The rotary drill bit fishing tool as defined in claim 1, wherein: the connecting cylinder (3) is an old cylinder drill, and the diameter of the connecting cylinder (3) is smaller than the diameter of the drill bit.

3. The rotary drill bit fishing tool as defined in claim 1, wherein: the inner wall of the connecting cylinder (3) is fixedly connected with two bow plates (4), and the two bow plates (4) are symmetrical along the ring shape; the length of the two bow plates (4) is 800mm-1000mm; the bow board (4) is a shock-absorbing bow board (4) of a rear axle of the automobile.

4. The rotary drill bit fishing tool as defined in claim 1, wherein: the upper end surface of the triangular barb (5) is parallel to the horizontal plane; the thickness of the triangular barb (5) is 16mm.

5. The rotary drill bit fishing tool as defined in claim 1, wherein: the upper end surfaces of the triangular barbs (5) are saw tooth surfaces (6).

6. The rotary drill bit fishing tool as defined in claim 1, wherein: the torque transmission square head (1), the connecting cylinder (3), the bow plate (4) and the triangular barb (5) are all fixed through welding.

7. A rotary drill bit fishing tool as defined in claim 3, wherein: the two bow plates (4) are fixedly connected with a mounting sleeve (7); the two mounting sleeves (7) are positioned on the same horizontal plane; the front end of the mounting sleeve (7) at the left end is rotationally connected with a connecting block (8) through a rotating shaft; the front end of the mounting sleeve (7) at the right end is rotationally connected with an adjusting block (9) through a rotating shaft; the adjusting block (9) is connected with a threaded rod (10) in a threaded manner; the left end of the threaded rod (10) is fixedly connected with a connecting column (11); the right end of the connecting block (8) is connected with a clamping column (12); a clamping groove (13) which is in rotary fit with the clamping column (12) is formed at the left end of the connecting column (11); the diameter of the threaded rod (10) is larger than that of the connecting column (11); the right end of the threaded rod (10) is fixedly connected with a control handle (14).

8. The rotary drill bit fishing tool as defined in claim 7, wherein: the right end of the threaded rod (10) is fixedly connected with a matched rotating motor.