CN112145092B

CN112145092B - Converter

Info

Publication number: CN112145092B
Application number: CN202010999562.7A
Authority: CN
Inventors: 李欢; 王帅; 王兆义; 徐斌; 张松林; 李亮
Original assignee: Shandong Yuanyuntong Mining Equipment Science And Technology Co ltd
Current assignee: Shandong Yuanyuntong Mining Equipment Science And Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2024-07-23
Anticipated expiration: 2040-09-22
Also published as: CN112145092A

Abstract

The invention relates to the technical field of drill rod connectors of drill bits, in particular to a converter which comprises a converter body, wherein the converter body comprises a drill rod connecting part and a drill rod connecting part, the drill rod connecting part is arranged above the drill rod connecting part, the drill rod connecting part comprises an outer sleeve, an inner supporting tube and a supporting layer arranged on the inner supporting tube, the inner wall of the outer sleeve is provided with internal threads connected with the drill rod, the supporting layer comprises a supporting ring and a pore canal arranged on the supporting ring and the supporting layer, the supporting ring and the pore canal are respectively provided with a plurality of supporting rings, the drill rod connecting part comprises a connecting rod and reinforcing ribs arranged on the outer wall of the connecting rod, and the inner wall of the connecting rod is provided with internal threads connected with the drill bit. The device sets up outside sleeve pipe and inside stay tube on drilling rod connecting portion to set up the holding ring on the outer wall of inside stay tube, wear-resisting elastic material can play certain extrusion effect to the drilling rod, reinforcing drilling rod connection's fastness.

Description

Converter

Technical Field

The invention relates to the technical field of drill bit and drill rod connectors, in particular to a converter.

Background

The drill rod is a steel pipe with threads at the tail part and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of the drilling well. The purpose of the drill pipe is to carry drilling mud to the drill bit and to raise, lower or rotate the bottom hole assembly with the drill bit. The drill pipe must be able to withstand significant internal and external pressure, twisting, bending and vibration. The usual components of a drill string are: the drill bit, the drill collar, the drill rod, the stabilizer, the special joint and the kelly, wherein the special joint is a transducer for connecting the drill bit and the drill rod. When the drill rod drills rock, the rock stratum is firm, so that the drill bit and the drill rod bear huge torque, and the joint of the converter is easy to leak water, damage and even break.

Disclosure of Invention

In order to solve the problem of converter connection of the drill rod of the drill bit, the invention provides a converter.

The technical scheme adopted for solving the technical problems is as follows: the converter comprises a converter body, the converter body include drilling rod connecting portion and drill bit connecting portion, drilling rod connecting portion set up in the drill bit connecting portion top, drilling rod connecting portion include outside sleeve pipe, inside stay tube and set up the supporting layer on inside stay tube, outside sleeve pipe inner wall on be equipped with the internal thread of being connected with the drilling rod, the supporting layer include the holding ring and set up the pore on holding ring and supporting layer, holding ring and pore all be equipped with a plurality of, drill bit connecting portion include the connecting rod and set up the strengthening rib on the connecting rod outer wall, connecting rod inner wall on be equipped with the internal thread that links to each other with the drill bit, drilling rod connecting portion's center with drill bit connecting portion center be equipped with and run through the chamber.

As optimization, the support ring is an elastic wear-resistant material ring, the support rings are uniformly arranged on the outer wall of the inner support tube, and one side of the support ring is fixedly connected with the outer wall of the inner support tube.

As optimization, a plurality of pore channels are divided into a plurality of layers, one end of each layer of pore channel is arranged at the joint of each supporting ring and the outer wall of the internal supporting tube, the other end of the pore channel is arranged on the inner wall of the internal supporting tube, the pore channel is a spiral pore channel, and a plurality of pore channels of each layer of pore channel are arranged in parallel.

As optimization, the bottom of the drill rod connecting part and the top of the drill bit connecting part are in sealing connection through a fixing ring, the drill rod connecting part is cylindrical, the connecting rod is triangular prism with a chamfer, and a sealing ring is arranged at the bottom of the connecting rod.

Preferably, a sealing gasket is arranged at the bottom between the outer sleeve and the inner supporting tube.

As optimization, the sealing ring is made of rubber and PVC.

As optimization, strengthening rib one end link firmly with the retainer plate, the strengthening rib other end set up in the bottom of connecting rod.

The whole beneficial effect of this scheme is: the converter is used for tightly connecting the drill bit and the drill rod respectively by arranging a drill rod connecting part and a drill bit connecting part on the converter body; an outer sleeve and an inner support tube are arranged on the connecting part of the drill rod, and a support ring is arranged on the outer wall of the inner support tube, so that the wear-resistant elastic material can play a certain role in extruding the drill rod, and the firmness of the connection of the drill rod is enhanced; the spiral pore canal is arranged on the support ring and the internal support pipe, so that liquid in the pipe can flow between the pore canal and the penetrating cavity, and the liquid in the drill rod of the drill bit can be effectively decompressed; the reinforcing ribs are arranged on the drill bit connecting device, so that the firmness of the whole converter can be effectively improved, and the stress tolerance of the converter can be greatly improved.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a schematic diagram from the front view to the bottom.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic view of the structure of the connecting part of the drill rod of the present invention.

FIG. 5 is a schematic view of the structure of FIG. 2 taken along line A-A.

The drilling rod comprises a drilling rod connecting part 1, a drilling bit connecting part 2, a drilling bit connecting part 3, an outer sleeve, a drilling rod 4, an inner supporting tube 5, a supporting layer 6, an inner thread 7, a supporting ring 8, a pore canal 9, a connecting rod 10, reinforcing ribs 11, a penetrating cavity 12, a fixing ring 13, a sealing ring 14 and a sealing pad.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

As shown in fig. 1, the converter comprises a converter body, the converter body includes drilling rod connecting portion 1 and drill bit connecting portion 2, drilling rod connecting portion 1 set up in drill bit connecting portion 2 top, drilling rod connecting portion 1 include outside sleeve pipe 3, inside stay tube 4 and set up the supporting layer 5 on inside stay tube 4, outside sleeve pipe 3 inner wall on be equipped with the internal thread 6 of being connected with the drilling rod, supporting layer 5 include holding ring 7 and set up the pore canal 8 on holding ring 7 and supporting layer 5, holding ring 7 and pore canal 8 all be equipped with a plurality of, drill bit connecting portion 2 include connecting rod 9 and set up the strengthening rib 10 on the connecting rod 9 outer wall, connecting rod 9 inner wall on be equipped with the internal thread 6 that links to each other with the drill bit, drilling rod connecting portion 1's center with drill bit connecting portion 2 center be equipped with run through chamber 11. The screw thread of drilling rod bottom and the internal thread 6 threaded connection of outside sleeve pipe 3 in drilling rod connecting portion 1, the distance between supporting layer 5 and the outside sleeve pipe 3 is slightly less than the thickness of drilling rod bottom, outside sleeve pipe 3 and inside supporting layer can play high fastening effect to the drilling rod.

The supporting rings 7 are elastic wear-resistant material rings, the supporting rings 7 are uniformly arranged on the outer wall of the inner supporting tube 4, and one side of each supporting ring 7 is fixedly connected with the outer wall of the inner supporting tube 4.

The multiple layers of pore channels 8 are divided into multiple layers, one end of each layer of pore channel 8 is arranged at the joint of each supporting ring 7 and the outer wall of the internal supporting tube 4, the other end of each layer of pore channel 8 is arranged on the inner wall of the internal supporting tube 4, the pore channels 8 are spiral pore channels, and the multiple pore channels 8 of each layer of pore channels 8 are arranged in parallel. The multilayer pore canal arranged on the internal supporting tube 4 can decompress the inside of the drill rod when the pressure in the drill rod is increased, so that the liquid in the drill rod can rotate upwards through the pore canal, and the liquid in the drill rod can be circulated in a small range, so that the drill rod is prevented from bursting due to the fact that the pressure in the drill rod is too high.

The bottom of the drill rod connecting part 1 and the top of the drill bit connecting part 2 are in sealing connection through a fixed ring 12, the drill rod connecting part 1 is cylindrical, the connecting rod 9 is triangular prism-shaped with a chamfer angle, and a sealing ring 13 is arranged at the bottom of the connecting rod 9.

A sealing gasket 14 is arranged at the bottom between the outer sleeve 3 and the inner support tube 4.

The sealing ring 13 is made of rubber and PVC.

One end of the reinforcing rib 10 is fixedly connected with the fixing ring 12, and the other end of the reinforcing rib 10 is arranged at the bottom of the connecting rod 9.

The using method comprises the following steps: when the device is specifically used, the drill rod is connected with the converter body through the drill rod connecting part 1 in a threaded manner, the drill rod is extruded through the inner supporting layer 4, the drill rod can be simultaneously held, the drill bit is connected through the drill bit connecting part 2 at the bottom, and liquid flows from the penetrating cavity 11 inside the converter body. During drilling, if the pressure inside the drill rod is too high, the liquid in the through cavity 11 can circulate upwards from the support ring 7 and the pore canal 8 on the inner support tube 4, and the liquid in the converter body is subjected to a small distance change.

The foregoing embodiments are merely examples of the present invention, and the scope of the present invention includes, but is not limited to, the product forms and styles of the foregoing embodiments, any suitable changes or modifications made by those skilled in the art, which correspond to the transducers of the present invention, shall fall within the scope of the present invention.

Claims

1. The converter, its characterized in that: the converter comprises a converter body, wherein the converter body comprises a drill rod connecting part and a drill bit connecting part, the drill rod connecting part is arranged above the drill bit connecting part, the drill rod connecting part comprises an outer sleeve, an inner supporting tube and a supporting layer arranged on the inner supporting tube, the inner wall of the outer sleeve is provided with internal threads connected with a drill rod, the supporting layer comprises a supporting ring and a pore canal arranged on the supporting ring and the supporting layer, the supporting ring and the pore canal are respectively provided with a plurality of supporting rings, the drill bit connecting part comprises a connecting rod and a reinforcing rib arranged on the outer wall of the connecting rod, the inner wall of the connecting rod is provided with internal threads connected with a drill bit, and the center of the drill rod connecting part and the center of the drill bit connecting part are provided with penetrating cavities;

the support rings are elastic wear-resistant material rings, the support rings are uniformly arranged on the outer wall of the inner support tube, and one side of each support ring is fixedly connected with the outer wall of the inner support tube;

The multiple layers of pore channels are arranged in a plurality of layers, one end of each layer of pore channel is arranged at the joint of each supporting ring and the outer wall of the internal supporting tube, the other end of each pore channel is arranged on the inner wall of the internal supporting tube, the pore channels are spiral pore channels, and the pore channels of each layer of pore channels are arranged in parallel.

2. The converter according to claim 1, characterized in that: the bottom of the drill rod connecting part is in sealing connection with the top of the drill bit connecting part through a fixing ring, the drill rod connecting part is cylindrical, the connecting rod is triangular prism with a chamfer, and a sealing ring is arranged at the bottom of the connecting rod.

3. The converter according to claim 1, characterized in that: and a sealing gasket is arranged at the bottom between the outer sleeve and the inner supporting tube.

4. The converter according to claim 2, characterized in that: the sealing ring is made of rubber and PVC.

5. The converter according to claim 1, characterized in that: one end of the reinforcing rib is fixedly connected with the fixing ring, and the other end of the reinforcing rib is arranged at the bottom of the connecting rod.