CN217602648U - Mining electromagnetic wave wireless measurement while drilling device probe tube - Google Patents

The utility model provides a mining electromagnetic wave wireless measurement-while-drilling device probe tube, which comprises a hanging short section, a transmitting measuring short section and a battery short section, wherein the right end of the hanging short section is connected with the transmitting measuring short section through a thread, and the right end of the transmitting measuring short section is connected with the battery short section through a thread; the utility model discloses an it is long, the quality is heavy, the operation is inconvenient to have solved among the prior art electromagnetic wave wireless along with boring measuring device exploring tube size, the connection link is many, the junction structure is complicated, intensity is low, fragile scheduling problem, through combining emission nipple joint and insulating nipple joint with prior art into a nipple joint, has reached that the size is short, the quality is light, the connection link is few, structure scientific and reasonable, convenient and practical, and the utility model discloses the installation is maintained simply, and good reliability realizes the directional drilling of efficient.

Technical Field

The utility model relates to an electromagnetic wave is wireless along with boring the measurement technical field, especially relates to a mining electromagnetic wave is wireless along with boring measuring device probe.

Background

Along with the continuous improvement of the technical level of industrial science and technology in China, the use amount and the exploitation amount of various mineral resources are increased day by day, in the process of exploiting partial mineral resources, like a crawler-type full-hydraulic directional drilling machine is usually adopted underground a coal mine, and a measurement while drilling system is equipped to realize directional drilling for exploitation, wherein the measurement while drilling system is divided into a wired measurement while drilling system and a wireless measurement while drilling system, and the wireless measurement while drilling system is divided into a mud pulse wireless measurement while drilling system and an electromagnetic wave wireless measurement while drilling system;

the working principle of the electromagnetic wave wireless measurement while drilling system in the prior art is as follows: the electromagnetic wave wireless measurement while drilling device probe installed at the bottom of a hole measures parameters such as an inclination angle, an azimuth angle and a tool facing angle, an insulating short section separates and insulates a front drilling tool and a rear drilling tool to form a dipole transmitting antenna, hole bottom data is transmitted to an explosion-proof computer of the hole opening in a low-frequency electromagnetic wave mode, measured data, track curves and other information are displayed in real time after demodulation, a basis is provided for a drilling engineer to adjust the direction of the drilling tools, directional drilling is realized, and effective drilling is provided for gas extraction, water exploration and drainage and the like;

among the prior art, visit the pipe that uses in the wireless measurement while drilling device of electromagnetic wave generally comprises hanging nipple joint, transmission nipple joint, battery nipple joint and measurement nipple joint, has following problem in the use: the size of the assembled suspension short section, the transmitting short section, the battery short section and the measuring short section is longer, generally more than 3 meters, and the operation is inconvenient in a coal mine with a narrow moving space, and the quality is heavy, so that the inconvenient operability is brought; in addition, the connection links among the four short sections are more, and the range of damage caused by external factors is larger, so that the problem of high failure probability is solved; finally, the probe tube in the prior art generally adopts plug-in aviation plug and aviation socket to realize the connection, and the junction needs to be made into a complex rotating sleeve structure, resulting in low strength and easy damage of the junction.

Disclosure of Invention

According to the technical problem, the utility model provides a mining electromagnetic wave wireless measurement while drilling device probe tube, which comprises a hanging short section, a transmitting measurement short section and a battery short section, wherein the right end of the hanging short section is connected with the transmitting measurement short section through threads, and the right end of the transmitting measurement short section is connected with the battery short section through threads;

the suspension short section comprises a female joint, an insulation seat, a lead nut, a suspension joint and a triaxial aviation socket, wherein an inner hole is formed in the insulation seat, the female joint penetrates through the inner hole from the left side of the insulation seat and extends to the right side of the insulation seat, the lead nut is connected with the right side of the insulation seat through threads, and the female joint and the side wall of the inner hole of the insulation seat are sealed through a rubber ring; the right end of the insulating seat is connected with a suspension joint through threads and sealed through a rubber ring; the right end of the suspension joint is connected with a triaxial aviation socket through threads; the three coaxial aviation sockets are electrically connected with the lead nuts through leads;

the transmitting and measuring short section comprises a triaxial aviation plug, a measuring rear connector, a circuit board framework, a transmitting plate, a measuring plate, a magnetic flux door plate, an outer protection barrel, three groups of magnetic flux gates, a measuring front connector, a centralizer I and an aviation connecting socket, wherein the outer side wall of the right end of the suspension connector is connected with the measuring rear connector through a threaded outer sleeve and is sealed through a rubber ring; the inside of the post-measurement connector is connected with a triaxial aviation plug through threads; the three coaxial aviation sockets and the three coaxial aviation plugs are electrically connected in a plug-in mode; the outer side wall of the measured connector is connected with an outer protection barrel through threads and sealed through a rubber ring; the outer protection cylinder is arranged on the right side of the joint after measurement; a circuit board framework is arranged inside the outer protection barrel; the circuit board framework is hermetically arranged inside the outer protection barrel through a rubber ring; the transmitting plate, the measuring plate and the magnetic flux door plate are arranged in the circuit board framework through bolts; the number of the transmitting plates is two; the two transmitting plates are arranged on the upper sides of the measuring plate and the magnetic flux door plate; the magnetic flux door plate is arranged on the right side of the measuring plate; the inside of the circuit board framework is provided with a fluxgate through a bolt; the number of the groups of the fluxgates is three; the three groups of fluxgates are all arranged on the right sides of the emission plate, the measurement plate and the fluxgate plate; the right end of the outer protection cylinder is provided with a measuring front joint through a bolt and is sealed through a rubber ring; the outer side wall of the measuring front joint is provided with a centralizer I through a bolt, and the right end of the measuring front joint is connected with an aviation connecting socket through threads; the three coaxial aviation plugs are electrically connected with the transmitting plate through conducting wires, the aviation connecting socket is electrically connected with the transmitting plate and the measuring plate through conducting wires respectively, the measuring plate is electrically connected with the fluxgate through conducting wires, and the fluxgate is electrically connected with the fluxgate through conducting wires;

the battery short section comprises an aviation connecting plug, a spring cable, a battery rear joint, a protective plate, a battery pack, a battery outer barrel, a battery front joint and a centralizer II, wherein the right end of the measurement front joint is connected with the battery rear joint through threads and sealed through a rubber ring; an aviation connecting plug is arranged inside the rear battery connector; the outer side wall of the battery rear joint is provided with a protective plate through a screw; the protection plate and the aviation connecting plug are connected with a spring cable; the right side of the battery rear joint is connected with a battery outer barrel through threads and sealed through a rubber ring; the protective plate is arranged inside the battery outer barrel; a battery pack is arranged in the battery outer barrel; the right side of the battery outer barrel is connected with a battery front connector through threads and sealed through a rubber ring; the outer side wall of the battery front joint is connected with a second centralizer through a bolt; the battery pack is electrically connected with the protection board through a lead;

preferably, the outer side wall of the transmitting plate is sequentially provided with a transmitting module, a transmitting MCU and a first power supply module from left to right, and the transmitting module, the transmitting MCU and the first power supply module are electrically connected through the transmitting plate;

preferably, a three-axis acceleration sensor, a measurement MCU and a power module II are mounted on the outer side wall of the measurement plate, and the three-axis acceleration sensor, the measurement MCU and the power module II are electrically connected through the measurement plate;

preferably, the capacity of the battery pack is X ampere-hour, and X is more than 4; the power supply voltage of the battery pack is Y V, and Y is more than 12;

preferably, the battery pack adopts a nickel-hydrogen battery pack or a lithium battery pack;

preferably, the first centralizer and the second centralizer are of the same size and structure; the first centralizer and the second centralizer are made of nitrile rubber and fluororubber materials;

preferably, the suspension joint, the circuit board framework, the outer protection barrel, the measurement front joint, the measurement rear joint, the battery front joint, the battery outer barrel, the measurement rear joint and the measurement front joint are all made of copper alloy or stainless steel nonmagnetic metal materials;

preferably, annular water passing grooves are formed in the suspension joint, and the number of the annular water passing grooves is two; the two annular holes pass through the water tank and are mutually symmetrical by taking the circle center of the section of the suspension joint as the center;

preferably, a key groove is formed in the outer side wall of the suspension joint; the groove type of the key groove is U-shaped.

The beneficial effects of the utility model are that:

the utility model discloses a hang nipple joint, transmission measurement nipple joint, battery nipple joint, improve on prior art, merge prior art's transmission nipple joint and measurement nipple joint into a nipple joint, under the condition that possesses measurement and transmission function simultaneously, reached the purpose of shortening overall dimension, the utility model discloses when using, only need to hang nipple joint and upper drill rod through keyway and fixed key carry out fixed connection can; in the utility model, the transmitting MCU control transmitting module realizes the function of wireless electromagnetic wave transmission of the measured data of the measuring short section, and the power supply module I introduces power supply from the battery pack in the battery short section and provides proper power supply for the transmitting module, the transmitting MCU and other parts of the transmitting plate; meanwhile, a power supply module is used for introducing a power supply from a battery pack in the battery nipple and providing a proper power supply for the measuring plate, the magnetic flux door plate and the three sets of flux gates, and the measuring MCU is used for controlling the triaxial acceleration sensor, the magnetic flux door plate and the three sets of flux gates so as to realize the measurement of the inclination angle, the azimuth angle and the tool face angle; electromagnetic waves formed by measuring results finally form a dipole transmitting antenna through the insulating short sections, hole bottom data are transmitted to an explosion-proof computer of a hole opening in a low-frequency electromagnetic wave mode, and workers can conveniently adjust the data, and the utility model reduces the combination of four short sections in the prior art into three short sections; compared with the prior art, the size is greatly shortened, the length is shortened to 2.2 meters, the connecting structure is compact and reasonable, and the overall mass is reduced, so that the utility model is more convenient to operate and install in a narrow roadway, and in addition, four groups of short sections are combined and reduced into three groups of short sections, and simultaneously, connecting links are reduced; reduced failure rate;

it is additionally worth noting, the utility model provides a hang and adopt three coaxial aviation socket and aviation plug electric connection between nipple joint and the emission measurement nipple joint, adopt aviation socket and the aviation plug electric connection who takes spring cable between emission measurement nipple joint and the battery nipple joint, through possessing flexible spring cable, realize aviation connection socket and aviation connection plug and rotate the connection by oneself, replace prior art's connecting sleeve structure, make the junction not have the rotating sleeve structure, the effectual intensity that has reached is high, not fragile advantage.

Drawings

Fig. 1 is the overall visual structure diagram of the present invention.

Fig. 2 is the utility model discloses hang the inner structure schematic diagram of nipple joint.

Fig. 3 is the utility model discloses the schematic diagram of two parts about the nipple joint is measured in the transmission.

Fig. 4 is the utility model discloses battery nipple joint inner structure schematic diagram.

Fig. 5 is a schematic view of the visual structure of the suspension joint of the present invention.

As shown in the figure: 1-hanging pup joint, 2-transmitting measuring pup joint, 3-battery pup joint, 4-female joint, 5-insulating seat, 6-lead nut, 7-hanging joint, 71-annular hole water passing groove, 72-key groove, 8-three coaxial aviation socket, 9-three coaxial aviation plug, 10-measuring rear joint, 11-circuit board framework, 12-outer protective cylinder, 13-three-axis acceleration sensor, 14-transmitting module, 15-measuring MCU, 16-transmitting plate, 17-measuring plate, 18-power module I, 19-transmitting MCU, 20-magnetic flux door plate, 21-power module II, 22-magnetic flux door, 23-measuring front joint, 24-centralizer I, 25-aviation connecting socket, 26-aviation connecting plug, 27-spring cable, 28-battery rear joint, 29-protective plate, 30-battery outer cylinder, 31-battery pack, 32-battery front joint and 33-centralizer II.

Detailed Description

in an alternative embodiment, centralizer two 24 and centralizer two 33 are the same size and configuration; the first centralizer 24 and the second centralizer 33 are made of nitrile rubber and fluororubber;

The operation principle is as follows:

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical staff of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only explains in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not depart from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the within range of the utility model. The scope of the invention is defined by the appended claims and equivalents thereof.