Drill rod fishing screw tap tool

Abstract

The utility model relates to the technical field of geological drilling, and discloses a drill rod fishing screw tap tool which comprises a main body, the main body is a section of hollow cone, a cutting edge is fixedly connected to the head of the main body in the circumferential direction, a water through groove is formed in the middle of the main body, and connecting threads are fixedly connected to the inner wall of the bottom of the main body. According to the utility model, firstly, the connecting thread is quickly connected with the drill rod through the reducer union, the cutting edge can gradually adapt to the drill rods with different diameters and lengths, and then thread making and fishing are carried out on the drill rods, so that the drill rods and the threads with various models can be quickly connected, the thread making and fishing are directly carried out, the working efficiency is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of geological drilling, in particular to a drill rod fishing tap tool. Background Art

[0002] The drill rod salvage tap is an indispensable tool for coring in geological exploration. It is used to solve the problem of the drill rod falling into the hole when drilling into a mine (rock) hole. When the drill hole is skewed and collapsed, it is difficult to catch the drill rod that has fallen into the hole with a conventional salvage female cone. When the drill rod that has fallen into the hole cannot be taken out, the salvage tap can be used to salvage it. When salvaging, it is usually necessary to use an appropriate salvage tap for salvage.

[0003] However, in the current technology, it is difficult to install the drill rod fishing tap on drill rods of different diameters. The operation is too complicated, which increases the working time and operation complexity of the operator, affects work efficiency and increases labor costs. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a drill rod salvage tap tool, which aims to improve the problem that it is difficult to install the drill rod salvage tap on drill rods of different diameters, the operation is too cumbersome, and thus increases the working time and operation complexity of the operator, affects work efficiency and increases labor costs.

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

[0006] A drill rod fishing tap tool comprises a main body, which is a through-cone, a cutting edge is fixedly connected to the head of the main body in the circumferential direction, a water groove is opened in the middle of the main body, and a connecting thread is fixedly connected to the bottom inner wall of the main body.

[0007] Preferably, the main body includes a connecting thread, a water groove, and a cutting edge.

[0008] Preferably, the connecting thread is an internal thread at the bottom of the main body, and a reducing joint is provided on the inner wall of the connecting thread.

[0009] Preferably, a water groove passes through the axial position of the main body, and the connecting thread is located on the inner wall of the water groove.

[0010] Preferably, the cutting edge is a tapered thread with equal length evenly distributed in the circumferential direction of the main body head, and the outer wall of the cutting edge is provided with a salvage drill rod.

[0011] The utility model has the following beneficial effects:

[0012] 1. In the utility model, the connecting thread is firstly connected to the drill pipe quickly through the reducer, and the cutting edge can gradually adapt to drill pipes of different diameters and lengths, and then the thread is buckled and salvaged, so that the structure is simple, and various types of drill pipes can be quickly connected. The thread is directly buckled and salvaged, which improves work efficiency and reduces labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A stereoscopic diagram of a drill rod fishing tap tool proposed by the utility model;

[0014] Legend:

[0015] 1. Main body; 2. Connecting thread; 3. Water channel; 4. Cutting edge. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings of the specification of this utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Reference Figure 1 The utility model provides an embodiment: a drill rod fishing tap tool, comprising a main body 1, the main body 1 is a through-cone, a cutting edge 4 is fixedly connected to the head of the main body 1 in the circumferential direction, a water groove 3 is provided in the middle of the main body 1, and a connecting thread 2 is fixedly connected to the bottom inner wall of the main body 1; the main body 1 comprises a connecting thread 2, a water groove 3, and a cutting edge 4; the connecting thread 2 is an internal thread at the bottom of the main body 1, and a reducer is provided on the inner wall of the connecting thread 2; the main body 1 is penetrated by a water groove 3 in the axial position, and the connecting thread 2 is located on the inner wall of the water groove 3; the cutting edge 4 is a tapered thread of equal length evenly distributed in the circumferential direction of the head of the main body 1, and a fishing drill rod is provided on the outer wall of the cutting edge 4;

[0018] Specifically, the main body 1 has a fixed support function for the cutting edge 4, and the thread structure of the cutting edge 4 is a tapered thread. When in use, the taper can gradually adapt to drill rods of different diameters and lengths, so that the tool has a wider range of applications and does not need to be separately configured with special tools for each drill rod size. When the main body 1 is in use, coolant can be introduced through the water trough 3 to cool the working area, which helps to extend the life of the tool and avoid damage to the cutting edge 4 or deterioration of the workpiece surface due to overheating. By twisting the threads in the connecting thread 2, the tool can be tightly installed on the drill rod through the reducer to avoid movement or loosening during operation. At the same time, the connecting thread 2 works in coordination with the reducer, so that the salvage tap tool can be used on drill rods of various diameters to ensure smooth operation.

[0019] Working principle: First, the main body 1 of the drill pipe salvage tap is a cone, and the inner wall on the lower side is provided with a connecting thread 2, which can be quickly connected to the drill pipe through a reducer. The upper side of the other end of the main body 1 is provided with a cutting edge 4 for a tapered thread, which is hardened by surface carburizing and quenching. When rotating, the taper can gradually adapt to drill pipes of different diameters and lengths, and then make a buckle for it. Later, when salvaging, the tap is inserted into the fallen drill pipe, and then pressure is applied to rotate through the cutting edge 4 to make a buckle, so as to achieve the purpose of salvaging the drill pipe.

[0020] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drill rod fishing tap tool, comprising a main body (1), characterized in that: The main body (1) is a through-cone, a cutting edge (4) is fixedly connected to the head of the main body (1) in the circumferential direction, a water channel (3) is provided in the middle of the main body (1), and a connecting thread (2) is fixedly connected to the inner wall of the bottom of the main body (1).

2. A drill rod fishing tap tool according to claim 1, characterized in that: The main body (1) comprises a connecting thread (2), a water channel (3), and a cutting edge (4).

3. A drill rod fishing tap tool according to claim 2, characterized in that: The connecting thread (2) is an internal thread at the bottom of the main body (1), and a reducing joint is provided on the inner wall of the connecting thread (2).

4. A drill rod fishing tap tool according to claim 2, characterized in that: A water groove (3) passes through the main body (1) at an axial position, and the connecting thread (2) is located on the inner wall of the water groove (3).

5. A drill rod fishing tap tool according to claim 2, characterized in that: The cutting edge (4) is a tapered thread with equal length evenly distributed in the circumferential direction of the head of the main body (1), and a salvage drill rod is provided on the outer wall of the cutting edge (4).

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