Drilling tool capable of being braked

Abstract

The utility model discloses a braking drilling tool which comprises a drilling rod body, the bottom end of the drilling rod body is fixedly connected with a drilling rod nesting block, the drilling tool body is installed outside the drilling rod nesting block, a drill bit body is installed at the bottom end of the drilling tool body, and a limiting assembly is arranged between the drilling rod nesting block and the drilling tool body. The limiting assembly comprises a limiting block, the limiting block is arranged between the drill rod nesting block and the drilling tool body, and a first limiting groove is formed in the inner side of the drilling tool body. According to the drilling tool capable of being braked, the limiting block is installed between the drilling tool body and the drilling rod nesting block and embedded in the first limiting groove and the second limiting groove, the drilling tool body and the drilling rod nesting block can be fixedly connected through the limiting block, and the drilling rod body can provide power steering for the drilling tool body; by means of the structure, the problem that the drill bit and the drilling tool are stuck and not prone to disengagement is solved, and the problem that the drill bit and the drilling tool are prone to being stuck is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling tools, in particular to a brakeable drilling tool. Background Art

[0002] Drilling tools refer to tools used for drilling holes, etc., mainly including exploration drilling tools and metallurgical furnace drilling tools, etc. It is a general term for the entire drilling pipe column and its joints used in the borehole during drilling construction. The drilling tools are composed of an active drill pipe, a drill rod, a core tube, and a reamer and drill bit at the bottom. If necessary, a sedimentation tube or drill collar is added to the upper part of the core tube.

[0003] After searching, it is found that the bottom of the common drill rod is embedded in the drill tool body, and the bottom of the drill rod and the drill tool are mostly in a nested mode with active connection. Once the drill bit and drill tool get stuck during use, it is inconvenient for the drill rod to move out the drill tool body and the drill bit body.

[0004] A brakeable drilling tool is urgently needed to solve the technical defects proposed in the above technology. Utility Model Content

[0005] The utility model aims to provide a brakeable drill tool to solve the problem that the drill bit and drill tool are easy to get stuck in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a brakeable drilling tool, comprising a drill rod main body, a drill rod nesting block is fixedly connected to the bottom end of the drill rod main body, a drill tool main body is installed outside the drill rod nesting block, a drill bit main body is installed at the bottom end of the drill tool main body, and a limit position assembly is arranged between the drill rod nesting block and the drill tool main body;

[0007] The limiting assembly comprises a limiting block, which is arranged between the drill rod nesting block and the drilling tool body. The inner side of the drilling tool body is provided with a first limiting groove, and the outer side of the drill rod nesting block is provided with a second limiting groove.

[0008] Preferably, two ends of the limiting block are respectively embedded in the first limiting groove and the second limiting groove.

[0009] Preferably, the first limiting groove and the second limiting groove have the same size and shape.

[0010] Preferably, the drill rod nesting block is similar in shape to the drill tool body, and the drill rod nesting block is embedded inside the drill tool body.

[0011] Preferably, a connecting rod is fixedly connected to the top end of the limit block, and anti-slip grooves are arranged on the outside of the connecting rod.

[0012] Preferably, three groups of the limit blocks are provided, and the limit blocks are distributed in a ring shape outside the drill rod nesting block.

[0013] Preferably, a gap is provided between the drill rod nesting block and the drill tool body, and the limiting block is installed inside the gap.

[0014] Preferably, the drill rod body, the drill tool body and the drill bit body are on the same moment horizontal line.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the brakeable drill tool not only realizes the function of preventing the drill bit and drill tool from getting stuck, but also realizes the function of being easy to disassemble and maintain;

[0016] (1) By providing a drill tool body, a drill rod nesting block, a first limiting groove, a second limiting groove and a limiting block, during the process of connecting the drill tool body with the drill rod body, the drill rod nesting block will be embedded in the drill tool body, and the drill rod nesting block at the bottom of the drill rod body is movably connected to the drill tool body. Once the drill bit and drill tool are stuck during use, it is inconvenient for the drill rod body to move the drill tool body and the drill bit body out. The limiting blocks are installed between the drill tool body and the drill rod nesting block and are respectively embedded in the first limiting groove and the second limiting groove. The limiting blocks can make the drill tool body and the drill rod nesting block fixedly connected. The drill rod body can provide power steering to the drill tool body, forcibly driving the drill tool body to rotate and get out of the stuck state. This structure can prevent the drill bit and drill tool from getting stuck and being difficult to get out.

[0017] (2) By providing a drill rod body, a drill tool body, a drill rod nesting block, anti-slip grooves and a connecting rod, the drill rod nesting block can be embedded in the interior of the drill tool body to be nested and connected therewith. The limit block is installed between the drill rod nesting block and the drill tool body to achieve a fixed connection between the two. When it is necessary to clean and maintain the inside of the drill rod nesting block and the drill tool body, the limit block can be taken out from the inside of the drill rod nesting block and the drill tool body. When disassembling, it is necessary to hold the connecting rod and pull the limit block outward. After the limit block is moved out from the inside of the first limit groove and the second limit groove, the process of taking it out from the inside of the drill rod nesting block and the drill tool body can be realized. After taking it out, it is convenient to maintain and clean the inside of the drill rod nesting block and the drill tool body. The structural screening frame facilitates the function of quick disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the drilling tool of the utility model from top view;

[0020] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 4 It is a schematic diagram of the front view structure of the limit block of the utility model.

[0022] In the figure: 1. drill rod body; 2. drill tool body; 3. drill bit body; 4. drill rod nesting block; 5. first limiting groove; 6. second limiting groove; 7. limiting block; 8. anti-slip pattern; 9. connecting rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the 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 in 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.

[0024] Example 1: Please refer to Figure 1-4 A brakeable drilling tool comprises a drill rod body 1, a drill rod nesting block 4 is fixedly connected to the bottom end of the drill rod body 1, a drill tool body 2 is installed outside the drill rod nesting block 4, a drill bit body 3 is installed at the bottom end of the drill tool body 2, and a limit position component is arranged between the drill rod nesting block 4 and the drill tool body 2;

[0025] The limiting assembly includes a limiting block 7, which is arranged between the drill rod nesting block 4 and the drill tool body 2. The inner side of the drill tool body 2 is provided with a first limiting groove 5, and the outer side of the drill rod nesting block 4 is provided with a second limiting groove 6;

[0026] The two ends of the limit block 7 are respectively embedded in the first limit groove 5 and the second limit groove 6. The first limit groove 5 and the second limit groove 6 have the same size and shape. The limit blocks 7 are arranged in three groups. The limit blocks 7 are distributed in an annular shape outside the drill rod nesting block 4. A gap is arranged between the drill rod nesting block 4 and the drill tool body 2. The limit blocks 7 are installed inside the gap.

[0027] Specifically, Figure 1 and Figure 2 As shown, the drill rod nesting block 4 will be embedded in the inside of the drill tool body 2, and the drill rod nesting block 4 at the bottom of the drill rod body 1 is movably connected to the drill tool body 2. Once the drill bit and drill tool are stuck during use, it is inconvenient for the drill rod body 1 to move the drill tool body 2 and the drill bit body 3 out. A limit block 7 is installed between the drill tool body 2 and the drill rod nesting block 4 and is respectively embedded in the first limit groove 5 and the second limit groove 6. The limit block 7 can make the drill tool body 2 and the drill rod nesting block 4 fixedly connected. The drill rod body 1 can provide power steering to the drill tool body 2, and forcibly drive the drill tool body 2 to rotate and get out of the stuck state.

[0028] Embodiment 2: The drill rod nesting block 4 is similar in shape to the drill tool body 2, and the drill rod nesting block 4 is embedded in the inside of the drill tool body 2. The top of the limit block 7 is fixedly connected with a connecting rod 9, and the outside of the connecting rod 9 is provided with an anti-slip pattern 8. The drill rod body 1, the drill tool body 2 and the drill bit body 3 are on the same torque horizontal line;

[0029] Specifically, Figure 1 and Figure 3 As shown, the drill rod nesting block 4 can be embedded in the inside of the drill tool body 2 to be nested and connected therewith, and the limit block 7 is installed between the drill rod nesting block 4 and the drill tool body 2 to realize the fixed connection between the two. When the drill rod nesting block 4 and the drill tool body 2 need to be cleaned and maintained, the limit block 7 can be taken out from the drill rod nesting block 4 and the drill tool body 2. When disassembling, it is necessary to hold the connecting rod 9 and pull out the limit block 7. After the limit block 7 is moved out from the first limit groove 5 and the second limit groove 6, the process of taking it out from the drill rod nesting block 4 and the drill tool body 2 can be realized. After taking it out, it is convenient to maintain and clean the inside of the drill rod nesting block 4 and the drill tool body 2, and the anti-slip pattern 8 can improve the stability of holding the connecting rod 9, thereby improving the stability of disassembly.

[0030] Working principle: When the utility model is in use, the drill rod body 1, the drill tool body 2 and the drill bit body 3 need to be installed and connected on the drilling equipment for use. The drill rod nesting block 4 at the bottom of the drill rod body 1 is connected to the drill tool body 2, and the drill rod nesting block 4 will be embedded in the inside of the drill tool body 2. The drill rod nesting block 4 at the bottom of the drill rod body 1 is movably connected to the drill tool body 2. Once the drill bit and the drill tool get stuck during use, it is inconvenient for the drill rod body 1 to move the drill tool body 2 and the drill bit body 3 out. A limit block 7 is installed between the drill tool body 2 and the drill rod nesting block 4, which is respectively embedded in the first limit groove 5 and the second limit groove 6. The limit block 7 can make the drill tool body 2 and the drill rod nesting block 4 fixedly connected, and the drill rod body 1 can provide power steering to the drill tool body 2 , forcibly driving the drill tool body 2 to rotate and disengage from the stuck state, the drill rod nesting block 4 can be embedded in the inside of the drill tool body 2 to be nested and connected therewith, and the limit block 7 is installed between the drill rod nesting block 4 and the drill tool body 2 to realize the fixed connection between the two. When it is necessary to clean and maintain the inside of the drill rod nesting block 4 and the drill tool body 2, the limit block 7 can be taken out from the inside of the drill rod nesting block 4 and the drill tool body 2. When disassembling, it is necessary to hold the connecting rod 9 and pull out the limit block 7. After the limit block 7 is moved out from the first limit groove 5 and the second limit groove 6, the process of taking it out from the drill rod nesting block 4 and the drill tool body 2 can be realized. After taking it out, it is convenient to maintain and clean the inside of the drill rod nesting block 4 and the drill tool body 2. The structural screening frame has the function of facilitating quick disassembly and maintenance.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A brakeable drilling tool, comprising a drill rod body (1), characterized in that: The bottom end of the drill rod body (1) is fixedly connected to a drill rod nesting block (4), a drill tool body (2) is installed outside the drill rod nesting block (4), a drill bit body (3) is installed at the bottom end of the drill tool body (2), and a limit position assembly is provided between the drill rod nesting block (4) and the drill tool body (2); The limit assembly comprises a limit block (7), wherein the limit block (7) is arranged between the drill rod nesting block (4) and the drill tool body (2), a first limit groove (5) is arranged on the inner side of the drill tool body (2), and a second limit groove (6) is arranged on the outer side of the drill rod nesting block (4).

2. A brakeable drilling tool according to claim 1, characterized in that: The two ends of the limiting block (7) are respectively embedded in the first limiting groove (5) and the second limiting groove (6).

3. A brakeable drilling tool according to claim 1, characterized in that: The first limiting groove (5) and the second limiting groove (6) have the same size and shape.

4. A brakeable drilling tool according to claim 1, characterized in that: The drill rod nesting block (4) is similar in shape to the drill tool body (2), and the drill rod nesting block (4) is embedded inside the drill tool body (2).

5. The brakeable drilling tool according to claim 1, characterized in that: The top end of the limit block (7) is fixedly connected to a connecting rod (9), and the outside of the connecting rod (9) is provided with anti-slip grooves (8).

6. A brakeable drilling tool according to claim 1, characterized in that: The limit blocks (7) are provided in three groups, and the limit blocks (7) are distributed in a ring shape outside the drill rod nesting block (4).

7. A brakeable drilling tool according to claim 1, characterized in that: A gap is provided between the drill rod nesting block (4) and the drill tool body (2), and the limit block (7) is installed inside the gap.

8. The brakeable drilling tool according to claim 1, characterized in that: The drill rod body (1), the drilling tool body (2) and the drill bit body (3) are located on the same moment horizontal line.

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