High-strength and high-toughness central through cable drill rod

Abstract

The utility model discloses a high-strength and high-toughness central cable-passing drill rod which comprises a drill rod body and a cable. A fixing support, a first insulation connecting part, a second insulation connecting part and a third insulation connecting part are arranged at the two ends in the drill rod, the middle of the cable is sleeved with a supporting frame, and the supporting frame is in a spiral shape. The fixing supports arranged at the two ends of the drill rod and the insulation connecting part are convenient to disassemble and assemble, maintenance and replacement of a cable are facilitated, the multiple supporting frames are arranged in the middle of the drill rod, and the spiral supporting frames are made of non-metal materials, have toughness and flexibility, are light and can be conveniently arranged on the cable in a sleeving mode; and the supporting frame is fixed through friction generated between the outer edge and the inner wall of the drill rod, so that the supporting frame is very convenient to take out, and internal parts of the drill rod are very convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model belongs to the technical field of drill rods, in particular to a high-strength and high-toughness center-cable drill rod. Background Art

[0002] The cable drill rod is mainly composed of a drill rod body, a conducting device, an insulating device and a supporting device. It is mainly used in gas extraction drilling measurement and waterproof drilling measurement in coal mines. The internal components of the cable drill rod in the prior art are cumbersome to disassemble and assemble, which is very inconvenient for drill rod maintenance. In order to solve this problem, a high-strength and high-toughness center cable drill rod is provided. Utility Model Content

[0003] In view of this, the technical problem to be solved by the utility model is to provide a high-strength and high-toughness center-cable drill rod, which solves the problem of inconvenient disassembly and assembly of internal components of the drill rod in the prior art.

[0004] In order to solve the above technical problems, the utility model discloses a high-strength and high-toughness center-cable drill rod, comprising: a drill rod and a cable; one end of the drill rod is provided with an external threaded joint, and the other end is provided with an internal threaded joint; one end of the cable is provided with a male joint, and the other end is provided with a female joint; the two ends inside the drill rod are provided with a fixed bracket, an insulating connection part one, an insulating connection part two and an insulating connection part three, the outer surfaces of the male joint and the female joint are provided with threads, the fixed bracket is connected with the threads inside the drill rod, the male joint passes through the center hole of the fixed bracket, the insulating connection part one is threadedly connected to the front end of the male joint, the insulating connection part three is threadedly connected to the rear end of the male joint, the female joint passes through the center hole of the fixed bracket, the insulating connection part two is threadedly connected to the front end of the female joint, the insulating connection part three is threadedly connected to the rear end of the female joint, and a support frame is sleeved in the middle of the cable, and the support frame is spiral.

[0005] Furthermore, the above-mentioned fixing bracket is circular in shape, and its edge is provided with an extension portion extending to one side, the edge of the extension portion is provided with a folding portion folded outward, the outer surface of the extension portion is provided with a thread, and a plurality of through holes are provided around the center hole thereof.

[0006] Furthermore, at least two notches are provided on the edge of one end of the insulating connecting portion, and the two notches are arranged at an interval of 180°.

[0007] Furthermore, at least two notches are provided on the edge of one end of the insulating connecting portion 2, and the two notches are arranged at an interval of 180°.

[0008] Furthermore, at least two notches are provided on the edge of the insulating connecting portion 3, and the two notches are arranged 180° apart.

[0009] Furthermore, the support frame is made of a sheet body into a spiral shape, the outer edge of which abuts against the inner wall of the drill rod, and the inner edge abuts against the surface of the cable.

[0010] Compared with the prior art, the present application can obtain the following technical effects:

[0011] The utility model provides fixed brackets at both ends of the drill rod, the male connector or female connector of the cable passes through the fixed brackets, and the male connector or female connector is fixed to the fixed brackets through the insulating connecting part. The fixed brackets and the insulating connecting part are convenient to be disassembled and assembled, which is beneficial to the maintenance and replacement of the cable. A plurality of support brackets are provided in the middle of the drill rod. The spiral support brackets are made of non-metallic material, have toughness and elasticity, and are light and can be conveniently sleeved on the cable to support the cable and reduce its shaking amplitude. The support brackets are fixed by the friction generated by the outer edge and the inner wall of the drill rod, and it is also very convenient to take out the support brackets, thereby making it very convenient to disassemble and assemble the internal components of the drill rod.

[0012] Of course, any product implementing this application does not necessarily need to achieve all of the technical effects described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0014] Figure 1 It is a cross-sectional schematic diagram of a drill rod according to one embodiment of the utility model.

[0015] Figure ID

[0016] Drill rod 1, cable 2, male connector 3, female connector 4, fixing bracket 5, insulating connection part 1 6, insulating connection part 2 7, insulating connection part 3 8, thread 9, supporting frame 10, extension part 11, folding part 12, through hole 13, notch 14. DETAILED DESCRIPTION

[0017] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0018] Please refer to Figure 1 , Figure 1 It is a cross-sectional schematic diagram of a drill rod according to one embodiment of the utility model.

[0019] A high-strength and high-toughness center-cable drill pipe, comprising: a drill pipe 1 and a cable 2; one end of the drill pipe 1 is provided with an external threaded joint, and the other end is provided with an internal threaded joint; one end of the cable 2 is provided with a male connector 3, and the other end is provided with a female connector 4; the two ends inside the drill pipe 1 are provided with a fixed bracket 5, an insulating connection part 1 6, an insulating connection part 2 7 and an insulating connection part 3 8, the outer surfaces of the male connector 3 and the female connector 4 are provided with threads, the fixed bracket 5 is connected with the threads 9 inside the drill pipe 1, the male connector 3 passes through the center hole of the fixed bracket 5, the insulating connection part 1 6 is threadedly connected to the front end of the male connector 3, the insulating connection part 3 8 is threadedly connected to the rear end of the male connector 3, the female connector 4 passes through the center hole of the fixed bracket 5, the insulating connection part 2 7 is threadedly connected to the front end of the female connector 4, the insulating connection part 3 8 is threadedly connected to the rear end of the female connector 4, and a support frame 10 is sleeved in the middle of the cable 2, and the support frame 10 is spiral.

[0020] The fixing bracket 5 is circular in shape, and an extension portion 11 extending to one side is provided on its edge, a folding portion 12 folded outward is provided on the edge of the extension portion 11, a thread is provided on the outer surface of the extension portion 11, and a plurality of through holes 13 are provided around the center hole thereof; at least two notches 14 are provided on the edge of one end of the insulating connecting portion 1 6, and the two notches 14 are arranged 180° apart; at least two notches 14 are provided on the edge of one end of the insulating connecting portion 2 7, and the two notches 14 are arranged 180° apart; at least two notches 14 are provided on the edge of the insulating connecting portion 3 8, and the two notches 14 are arranged 180° apart, and the notches 14 facilitate the disassembly and assembly tools to drive them to rotate; the support frame 10 is made of a sheet body in a spiral shape, and its outer edge abuts against the inner wall of the drill rod 1, and the inner edge abuts against the surface of the cable.

[0021] Assembly process: first, screw the fixed bracket 5 into one end of the drill pipe 1, then screw the insulating connection part 3 8 onto the male connector 3 and the female connector 4 of the cable 2, then pass the male connector 3 of the cable 2 from one end of the drill pipe 1 to the center hole of the fixed bracket 5, screw the insulating connection part 1 6 with the front end of the male connector 3, and screw the insulating connection part 1 6 and the insulating connection part 3 8 to the fixed bracket 5 to fix and limit the male connector 3 at the same time, then insert the support frame 10 from the female connector 4 end of the cable 2 and insert the support frame 10 into the drill pipe 1, then screw the insulating connection part 3 8 onto the female connector 4, and pass the female connector 4 into the center hole of the fixed bracket 5, then screw the fixed bracket 5 into the other end of the drill pipe 1, finally screw the insulating connection part 2 7 to the front end of the female connector 4, and screw the insulating connection part 2 7 and the insulating connection part 3 8 to the fixed bracket 5 to fix and limit the female connector 4 at the same time, and the assembly of the center cable drill pipe is completed.

[0022] The utility model provides fixed brackets 5 at both ends of the drill rod 1, the male connector 3 or female connector 4 of the cable 2 passes through the fixed brackets 5, and the male connector 3 or female connector 4 is fixed to the fixed brackets 5 through the insulating connecting part. The fixed brackets 5 and the insulating connecting part are convenient to be disassembled and assembled, which is beneficial to the maintenance and replacement of the cable 2. A plurality of support frames 10 are provided in the middle of the drill rod 1. The spiral support frames 10 are made of non-metallic material, have toughness and elasticity, and are light and can be conveniently sleeved on the cable 2 to support the cable 2 and reduce its shaking amplitude. The support frames 10 are fixed by the friction generated by the outer edge and the inner wall of the drill rod 1, and it is also very convenient to take out the support frames 10, so that the internal components of the drill rod 1 are very convenient to be disassembled and assembled.

[0023] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A high-strength and high-toughness center-cable drill pipe, comprising: Drill rod and cable; one end of the drill rod is provided with an external thread joint, and the other end is provided with an internal thread joint; one end of the cable is provided with a male joint, and the other end is provided with a female joint; It is characterized in that the two ends of the drill rod are provided with a fixed bracket, an insulating connection part 1, an insulating connection part 2 and an insulating connection part 3, the outer surfaces of the male connector and the female connector are provided with threads, the fixed bracket is connected with the threads in the drill rod, the male connector passes through the center hole of the fixed bracket, the insulating connection part 1 is threadedly connected to the front end of the male connector, the insulating connection part 3 is threadedly connected to the rear end of the male connector, the female connector passes through the center hole of the fixed bracket, the insulating connection part 2 is threadedly connected to the front end of the female connector, the insulating connection part 3 is threadedly connected to the rear end of the female connector, and a support frame is sleeved in the middle of the cable, and the support frame is spiral.

2. The high-strength and high-toughness center-cable drill pipe according to claim 1, characterized in that: The fixing bracket is circular in shape, with an extension portion extending to one side at its edge, a folding portion folded outward at the edge of the extension portion, a thread provided on the outer surface of the extension portion, and a plurality of through holes provided around the central hole thereof.

3. The high-strength and high-toughness center-cable drill pipe according to claim 1, characterized in that: At least two notches are arranged on the edge of one end of the insulating connecting part, and the two notches are arranged at an interval of 180 degrees.

4. The high-strength and high-toughness center-cable drill pipe according to claim 1, characterized in that: At least two notches are arranged on the edge of one end of the second insulating connecting part, and the two notches are arranged at an interval of 180°.

5. The high-strength and high-toughness center-cable drill pipe according to claim 1, characterized in that: At least two notches are arranged on the edge of the insulating connecting portion 3, and the two notches are arranged 180 degrees apart.

6. The high-strength and high-toughness center-cable drill pipe according to claim 1, characterized in that: The support frame is made of a sheet body in a spiral shape, the outer edge of which abuts against the inner wall of the drill rod, and the inner edge abuts against the surface of the cable line.

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