CN103758507B - A signal transmission structure and method of a drill pipe - Google Patents

Abstract

The invention discloses a signal transmission structure of a drill rod, which comprises a triangular drill rod, a sealed signal wire groove and a sealed signal wire; the sealing signal wire is fixedly arranged in the triangular drill rod through a sealing signal wire slot; the sealed signal line transmits signals to equipment located outside the borehole. The structure provided by the invention has no influence on the drilling progress, and is simple and convenient to use integrally and accurate and rapid in data transmission. Can be suitable for all punching processes adopting the three-edged drill rod and has wide market application prospect.

Description

A signal transmission structure and method of a drill pipe

technical field

The invention relates to the field of coal mine equipment, in particular to a data transmission structure and method of a triangular drill pipe used in coal mines.

Background technique

With the development of comprehensive mechanized coal mining technology in coal mines in my country, the requirements for mine safety production on construction equipment and technologies such as underground exploration holes, water discharge holes, and gas drainage holes are also continuously increasing. At the same time, it is necessary to be able to accurately measure the drilling trajectory and transmit the data measured at the drill bit end to the orifice equipment, which has always been an urgent problem to be solved in coal mines. Therefore, it is necessary to provide a data transmission method for triangular drill pipe.

Contents of the invention

In view of this, one of the purposes of the present invention is to provide a signal transmission structure of drill pipes, which solves the technical problem of transmitting the data of the track measurement data of the drill bit end to the hole equipment in the existing coal mine underground, and is suitable for triangular drill pipes, The second object of the present invention is to provide a method for signal transmission using the aforementioned signal transmission structure.

One of the objectives of the present invention is achieved through the following technical solutions. The signal transmission structure of the drill pipe includes a triangular drill pipe, a sealed signal line groove and a sealed signal line; the sealed signal line is fixedly arranged on the sealed signal line groove Inside the triangular drill pipe; the sealed signal wire transmits the signal to the equipment located outside the borehole.

Further, the triangular drill pipe includes a male joint, a female joint and a triangular steel pipe; the male joint is welded to one end of the triangular steel pipe, and the female joint is welded to the other end of the triangular steel pipe; the male joint is welded to the female The joints fit together.

Further, the sealed signal line includes a copper core, a protective core tube, a conductive elastic piece and a sealing insulation pad; the conductive elastic piece is arranged at both ends of the sealed signal line for connecting another sealed signal line; the conductive elastic piece and The steel core is connected; the steel core is arranged inside the protective core tube, and the length is the same as the sealed signal line groove in the triangular drill pipe; the sealing and insulating pad prevents the conductive shrapnel from contacting the drill pipe; the sealing and insulating pad makes the sealing signal Seal with trunking.

Furthermore, the conductive shrapnel is an arc-shaped conductive shrapnel, and the arc-shaped conductive shrapnel takes a triangular steel pipe as the center of a circle, and its central angle is 20-45 degrees.

The second object of the present invention is achieved through the following technical solutions, a method for signal transmission using a signal transmission structure of a drill pipe, comprising the following steps:

S1: Fix the sealed signal line in the sealed signal line groove of the triangular drill pipe;

S2: Connect several triangular drill pipes through male and female joints, and the signal lines in the triangular drill pipes are connected through the arc-shaped conductive shrapnel at both ends;

S3: transmit the signal to the orifice device through the sealed signal line;

S4: Receive and process data through the port device.

The advantages of the present invention are:

The triangular drill pipe signal transmission structure provided by the present invention adopts a detachable sealed signal line, and a sealed signal line groove is designed in the triangular drill pipe to fix the sealed signal line, and then the signal line is passed through the arc-shaped conductive shrapnel and pressed tightly. Conductively connected together, the data communication signal line is transmitted to the drill hole equipment, and the drill hole equipment processes the data, etc. The structure has no influence on the drilling progress, and the overall use is simple, convenient, fast and accurate. It can adapt to all drilling techniques using triangular drill pipes, and has broad market application prospects.

The sealed signal lines used are made of military-grade waterproof plastic seals, and the sealed signal lines are connected by arc-shaped conductive shrapnel, which are tightly pressed and conductively connected, with high reliability, long service life, and easy disassembly and assembly. It can also be combined arbitrarily according to the drilling depth, as long as it matches the length of the triangular drill pipe.

Description of drawings

In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is a schematic view of the drill rod structure of the present invention;

Fig. 2 is a schematic view of the end face of the present invention;

Among them, 1. Triangular steel pipe; 2. Male connector; 3. Female connector; 4. Sealed signal trunking; 5. Sealed insulating gasket; 6. Arc-shaped conductive shrapnel; 7. Copper core;

detailed description

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be understood that the preferred embodiments are only for illustrating the present invention, rather than limiting the protection scope of the present invention.

As shown in Figure 1, the signal transmission structure of the drill rod includes a triangular drill rod, a sealed signal line groove 4 and a sealed signal line; the sealed signal line is fixed in the triangular steel rod through the sealed signal line groove 4; The above-mentioned sealed signal line transmits the signal to the equipment located outside the borehole.

The triangular drill pipe includes a male joint 2, a female joint 3 and a triangular steel pipe 1; the male joint is welded to one end of the triangular steel pipe, and the female joint is welded to the other end of the triangular steel pipe; the male joint is welded to the other end of the triangular steel pipe; Female connectors fit together

As shown in Figure 2, the sealed signal line includes a copper core 7, a protective core tube 8, a conductive shrapnel and a sealing insulation pad 5; the conductive shrapnel is arranged at both ends of the sealed signal line for connecting another sealed signal wire; the conductive shrapnel is connected to the steel core; the steel core is arranged inside the protective core tube, and the length is the same as that of the sealed signal line groove in the triangular drill pipe; the sealing insulation pad prevents the conductive shrapnel from contacting the drill pipe; The above-mentioned sealing insulating gasket makes the sealing letter and the wire groove seal.

The conductive shrapnel is an arc-shaped conductive shrapnel 6, which mainly solves the problem that after the drill pipe is connected, the direction of the triangular edges is kept within the angle deviation so that the sealing signal line can still be connected. The arc-shaped conductive shrapnel takes the triangular steel pipe as the center of a circle, and its central angle is 20-45 degrees, preferably 30 degrees.

Based on the above signal transmission structure, the present invention also provides a method for signal transmission using the signal transmission structure of the drill pipe, comprising the following steps:

S1: Fix the sealed signal line in the sealed signal line groove of the triangular drill pipe;

S2: Connect several triangular drill pipes through male and female joints, and the signal lines in the triangular drill pipes are connected through the arc-shaped conductive shrapnel at both ends;

S3: transmit the signal to the orifice device through the sealed signal line;

S4: Receive and process data through the port device.

The signal transmission method provided by the present invention is just to connect two adjacent signal lines through the arc-shaped conductive shrapnel, which is simple to operate and convenient to use, and the signal transmission suffers little interference and high transmission efficiency.

The triangular drill pipe signal transmission structure provided by the present invention adopts a detachable sealed signal line, and a sealed signal line groove is designed in the triangular drill pipe to fix the sealed signal line, and several sections of the sealed signal line can be connected in series to form one The signal line suitable for the actual situation requires several signal lines to be connected together through arc-shaped conductive shrapnel and tightly pressed to transmit the data communication signal line to the drilling device, and the drilling device processes the data, etc. The structure has no influence on the drilling progress, and the overall use is simple, convenient, fast and accurate. It can adapt to all drilling techniques using triangular drill pipes, and has broad market application prospects.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (3)

1. The signal transmission structure of the drill pipe is characterized in that: it comprises a triangular drill pipe, a sealed signal line groove and a sealed signal line; the sealed signal line is fixedly arranged in the triangular drill pipe through the sealed signal line groove; the sealed Signal lines transmit signals to equipment located outside the borehole; The sealed signal line includes a copper core, a protective core tube, a conductive elastic piece and a sealing insulation pad; the conductive elastic piece is arranged at both ends of the sealed signal line for connecting another sealed signal line; the conductive elastic piece and the copper core connection; the copper core is arranged inside the protective core tube, and the length is the same as that of the sealed signal line groove in the triangular drill pipe; the sealing and insulating pad keeps the conductive shrapnel from contacting the drill pipe; the sealing and insulating pad makes the sealed signal line and the The wire slot is sealed; the conductive shrapnel is an arc-shaped conductive shrapnel; the arc-shaped conductive shrapnel takes a triangular steel pipe as the center of a circle, and its central angle is 20-45 degrees. 2. The signal transmission structure of the drill pipe according to claim 1, characterized in that: the triangular drill pipe comprises a male joint, a female joint and a triangular steel pipe; the male joint is welded to one end of the triangular steel pipe, and the The female joint is welded to the other end of the triangular steel pipe; the male joint and the female joint cooperate with each other. 3. The method for signal transmission using the signal transmission structure according to claim 2, characterized in that: comprising the following steps: S1: Fix the sealed signal line in the sealed signal line groove of the triangular drill pipe; S2: Connect several triangular drill pipes through male and female joints, and the signal lines in the triangular drill pipes are connected through the arc-shaped conductive shrapnel at both ends; S3: transmit the signal to the orifice device through the sealed signal line; S4: Receive and process data through the port device.