CN212454287U

CN212454287U - Drilling rod structure for coal mine production

Info

Publication number: CN212454287U
Application number: CN202021369602.1U
Authority: CN
Inventors: 孙振敏
Original assignee: DATONG VOCATIONAL AND TECHNICAL COLLEGE OF COAL
Current assignee: DATONG VOCATIONAL AND TECHNICAL COLLEGE OF COAL
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-02-02
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a drilling rod structure for coal mine production belongs to the drilling rod technical field, including the drilling rod body, the one end of the drilling rod body is provided with fixed cassette, the other end of the drilling rod body is provided with fixed dop, be provided with the jack in the middle of the cassette pedestal, the inside pinhole that is provided with of cassette pedestal, evenly be provided with the draw-in groove around the cassette pedestal, the utility model discloses be equipped with fixed cassette at drilling rod body one end, the other end is provided with fixed dop, blocks the fixed dop of drilling rod one end into the fixed cassette of another drilling rod, and the inserted bar inserts in the jack, and the pin head blocks into the pin hole, and the fixture block blocks into the draw-in groove, and reset spring elasticity makes the pin head block firmly block into the pin hole, avoids the drilling rod; the utility model discloses an evenly be provided with the caulking groove on the surface of the drilling rod body of rod, and the inner wall of caulking groove is equipped with the rubber pad, makes things convenient for the whole root of drilling rod to lift the transfer, and it is portable to use.

Description

Drilling rod structure for coal mine production

Technical Field

The utility model belongs to the technical field of the drilling rod, concretely relates to drilling rod structure for coal mine production.

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 a drilled well. The purpose of the drill pipe is to carry drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole assembly. The drill pipe must be able to withstand large internal and external pressures, twists, bends and vibrations. In the process of oil and gas exploitation and extraction, the drill pipe can be used for multiple times. The drill rods are divided into a kelly, a drill rod and a weighted drill rod. The connection sequence is square drill rod (1), drill rod (n, determined by well depth), weighted drill rod (n, determined by drill tool combination design). The classification of the drill rods, the drill rod joints, the drill rod specifications, and the steel grade and strength of the drill rods are described in detail.

The prior art has the following problems: the traditional drill rod for coal mine production structurally has the problem of inconvenience in fixed mounting, the thread screwing is time-consuming and labor-consuming, the dismounting is inconvenient, and the whole drill rod is lifted up and transferred inconveniently, so that the use is troublesome.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a drilling rod structure for coal mine production has that the dismouting is portable, lifts up the convenient characteristics of transfer.

In order to achieve the above object, the utility model provides a following technical scheme: a drill rod structure for coal mine production comprises a drill rod body, wherein one end of the drill rod body is provided with a fixed clamping seat, the other end of the drill rod body is provided with a fixed clamping head, the fixed clamping seat comprises a clamping seat body, a clamping groove, a pin hole and a jack, the jack is arranged in the middle of the clamping seat body, the pin hole is arranged in the clamping seat body, and the clamping groove is uniformly arranged on the periphery of the clamping seat body;

the fixed chuck comprises a chuck base body, clamping blocks, spring pins and an inserting rod, wherein the inserting rod is arranged in the middle of the chuck base body, the spring pins are arranged at two ends of the inserting rod, and the clamping blocks are uniformly arranged on the periphery of the surface of the chuck base body.

Preferably, the spring pin comprises a pin head and a return spring, wherein the pin head is arranged in an inner slotted hole of the inserted bar, and the pin head is connected with the inserted bar through the return spring.

Preferably, the fixture block corresponds to the size of the clamping groove, the inserted link corresponds to the size of the insertion hole, and the pin hole corresponds to the size of the pin head.

Preferably, the pin head is slidably connected with the inserted rod, and the pin head does not extend out of the surface of the clamping seat body.

Preferably, the clamping seat body, the clamping head seat body and the drill rod body are of an integrated structure.

Preferably, the surface of the drill rod body is uniformly provided with caulking grooves, and the inner wall of each caulking groove is provided with a rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with a fixing clamping seat at one end of the drill rod body, and a fixing clamping head at the other end, wherein the fixing clamping head at one end of the drill rod is clamped into the fixing clamping seat of another drill rod, the inserted rod is inserted into the jack, the pin head is clamped into the pin hole, the clamping block is clamped into the clamping groove, and the pin head is firmly clamped into the pin hole by the elasticity of the reset spring, so that the drill rod is prevented from falling off, the drill rod is quickly fixed, and the disassembly and the assembly are;

2. the utility model discloses an evenly be provided with the caulking groove on the surface of the drilling rod body of rod, and the inner wall of caulking groove is equipped with the rubber pad, makes things convenient for the whole root of drilling rod to lift the transfer, and it is portable to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the fixing clip of the present invention;

fig. 3 is a cross-sectional view of the fixed chuck of the present invention;

fig. 4 is a sectional view of the fixing clip seat of the present invention;

in the figure: 1. a drill rod body; 2. fixing the card holder; 21. a card seat body; 22. a card slot; 23. a pin hole; 24. a jack; 3. caulking grooves; 4. fixing the chuck; 41. a chuck base; 42. a clamping block; 43. a spring pin; 431. a pin head; 432. a return spring; 44. and (4) inserting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a drill rod structure for coal mine production comprises a drill rod body 1, wherein one end of the drill rod body 1 is provided with a fixed clamping seat 2, the other end of the drill rod body 1 is provided with a fixed clamping head 4, the fixed clamping seat 2 comprises a clamping seat body 21, a clamping groove 22, a pin hole 23 and a jack 24, the jack 24 is arranged in the middle of the clamping seat body 21, the pin hole 23 is arranged in the clamping seat body 21, and the clamping grooves 22 are uniformly arranged on the periphery of the clamping seat body 21;

the fixed chuck 4 includes a chuck base 41, a locking block 42, a spring pin 43 and an insertion rod 44, wherein the insertion rod 44 is disposed in the middle of the chuck base 41, the spring pin 43 is disposed at two ends of the insertion rod 44, and the locking block 42 is uniformly disposed around the surface of the chuck base 41.

Specifically, the spring pin 43 comprises a pin head 431 and a return spring 432, wherein the pin head 431 is arranged in an inner slot of the plunger 44, the pin head 431 is connected with the plunger 44 through the return spring 432,

by adopting the technical scheme, the pin head 431 is firmly clamped into the pin hole 23 by the elastic force of the return spring 432, and the drill rod is prevented from falling off.

Specifically, the latch 42 corresponds to the size of the latch slot 22, the rod 44 corresponds to the size of the insertion hole 24, the pin hole 23 corresponds to the size of the pin head 431,

by adopting the technical scheme, the assembly of a plurality of drill rods is convenient and practical.

Specifically, the pin head 431 is slidably connected with the plug rod 44, the pin head 431 does not extend out of the surface of the cassette holder body 21,

through adopting above-mentioned technical scheme, conveniently carry out the block and fix.

Specifically, the clamping seat body 21, the clamping head seat body 41 and the drill rod body 1 are of an integrated structure,

through adopting above-mentioned technical scheme, improve structural stability.

Specifically, the surface of the drill rod body 1 is uniformly provided with caulking grooves 3, the inner wall of the caulking grooves 3 is provided with rubber pads,

through adopting above-mentioned technical scheme, conveniently lift up the transfer.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, the drilling rod that will treat the equipment moves to corresponding position, in the fixed cassette 2 of another drilling rod of fixed dop 4 card with drilling rod one end, inserted bar 44 inserts in jack 24, in the pinhole 23 is advanced in the card of round pin head 431, in the draw-in groove 22 is advanced in the card of fixture block 42, reset spring 432 elasticity makes round pin head 431 firmly block in advancing the pinhole 23, avoid the drilling rod to drop, realize the quick fixed of drilling rod, make things convenient for the dismouting, evenly be provided with caulking groove 3 on the surface of the drilling rod body of rod 1, and the inner wall of caulking groove 3 is equipped with the rubber pad, make things convenient for the whole root of drilling rod to lift up the transfer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drilling rod structure for coal mine production, includes the drilling rod body (1), its characterized in that: one end of the drill rod body (1) is provided with a fixed clamping seat (2), the other end of the drill rod body (1) is provided with a fixed clamping head (4), the fixed clamping seat (2) comprises a clamping seat body (21), a clamping groove (22), a pin hole (23) and a jack (24), wherein the jack (24) is arranged in the middle of the clamping seat body (21), the pin hole (23) is arranged in the clamping seat body (21), and the clamping grooves (22) are uniformly arranged on the periphery of the clamping seat body (21);

the fixed chuck (4) comprises a chuck base body (41), clamping blocks (42), spring pins (43) and inserting rods (44), wherein the inserting rods (44) are arranged in the middle of the chuck base body (41), the spring pins (43) are arranged at two ends of each inserting rod (44), and the clamping blocks (42) are uniformly arranged on the periphery of the surface of the chuck base body (41).

2. The drill rod structure for coal mine production according to claim 1, wherein: the spring pin (43) comprises a pin head (431) and a return spring (432), wherein the pin head (431) is arranged in an inner groove hole of the inserted rod (44), and the pin head (431) is connected with the inserted rod (44) through the return spring (432).

3. The drill rod structure for coal mine production according to claim 1, wherein: the clamping block (42) corresponds to the clamping groove (22) in size, the inserting rod (44) corresponds to the inserting hole (24) in size, and the pin hole (23) corresponds to the pin head (431) in size.

4. The drill rod structure for coal mine production according to claim 2, wherein: the pin head (431) is in sliding connection with the insert rod (44), and the pin head (431) does not extend out of the surface of the cassette holder body (21).

5. The drill rod structure for coal mine production according to claim 1, wherein: the clamping seat body (21), the clamping head seat body (41) and the drill rod body (1) are of an integrated structure.

6. The drill rod structure for coal mine production according to claim 1, wherein: the surface of the drill rod body (1) is uniformly provided with caulking grooves (3), and the inner wall of each caulking groove (3) is provided with a rubber pad.