CN210370523U

CN210370523U - Multifunctional drill rod capable of being used for air reverse circulation and rope coring

Info

Publication number: CN210370523U
Application number: CN201920876100.9U
Authority: CN
Inventors: 蔡纪雄; 彭莉; 赵俊彩; 阮立成
Original assignee: Zhongdizhuang Wuxi Drilling Tools Co Ltd
Current assignee: Zhongdizhuang Wuxi Drilling Tools Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-04-21
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a can be used for multi-functional drilling rod of air reverse circulation and rope coring, it includes drilling rod and inner tube, the one end of drilling rod is the thread connection end, and the other end is the thread connection end, its characterized in that, the both ends of inner tube through first joint and second connect install in the drilling rod, first joint and second connect with all be provided with the spacing subassembly of step between the inner wall of drilling rod, fix through circlip between first joint and the drilling rod. The multifunctional drill rod capable of being used for air reverse circulation and rope coring can be used for air reverse circulation and rope coring. In design, the drill rod has enough strength, can meet the requirements of high torque and high impact force of air reverse circulation, and can also meet the requirement of high rotating speed of rope coring.

Description

Multifunctional drill rod capable of being used for air reverse circulation and rope coring

Technical Field

The utility model relates to a drilling rod especially relates to a can be used to air reverse circulation and multi-functional drilling rod of rope coring.

Background

Under the existing construction scheme, after the drill rod used for the air reverse circulation process passes through the surface layer for 200-300 meters, the process is limited, the drilling cannot be continued, the drill rod is pulled out, and is replaced by a rope coring drill rod, and the construction is continued by the rope coring process. The main defect of the scheme is that two drill rods cannot be used mutually, the universality is poor, and troubles are brought to a construction party.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can be used for the multi-functional drilling rod of air reverse circulation and rope coring to there is the poor problem of commonality in the ordinary drilling rod among the solution prior art.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a can be used for multi-functional drilling rod of air reverse circulation and rope coring, its includes drilling rod and inner tube, the one end of drilling rod is the thread connection end, and the other end is the thread connection end, wherein, the both ends of inner tube through first joint and second connect install in the drilling rod, first joint and second connect with all be provided with the spacing subassembly of step between the inner wall of drilling rod, fix through circlip between first joint and the drilling rod.

Particularly, one end of the first joint is provided with a first inner pipe connecting seat, a connecting hole matched with the outer diameter of the end part of the inner pipe is formed in the first inner pipe connecting seat, and one end of the inner pipe is inserted into the first inner pipe connecting seat.

Particularly, a second inner tube connecting seat is arranged at one end of the second connector, a sealing ring is arranged in an inner hole at the other end of the second connector, a connecting hole matched with the outer diameter of the end part of the inner tube is formed in the second inner tube connecting seat, and the other end of the inner tube is inserted into the second inner tube connecting seat.

Particularly, the inner hole of the first joint comprises a connecting hole and a through hole which are communicated, and the aperture of the connecting hole is larger than that of the through hole.

Particularly, the inner hole of the second joint comprises a connecting hole, a middle hole and an outer connecting hole which are communicated, the sealing ring is arranged in the outer connecting hole, the aperture of the outer connecting hole is larger than that of the connecting hole, and the aperture of the connecting hole is larger than that of the middle hole.

The beneficial effects of the utility model are that, compare with prior art the multi-functional drilling rod that can be used for air reverse circulation and rope coring both can be used for the air reverse circulation, also can be used for the rope coring. In design, the drill rod has enough strength, can meet the requirements of high torque and high impact force of air reverse circulation, and can also meet the requirement of high rotating speed of rope coring. The drill rod adopts the design of being flat outside on the external diameter, can guarantee the unobstructed hole bottom of getting rid of the rock dust that two kinds of technologies produced, on the hole of drill rod, first joint and second joint, adopts special design, changes some sizes, has both guaranteed to ventilate smoothly when the air reverse circulation, also can guarantee the smooth salvage of drilling tool inner tube assembly when the rope is cored.

Drawings

Fig. 1 is a schematic structural diagram of a multifunctional drill rod capable of being used for air reverse circulation and rope coring according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a multifunctional drill rod capable of being used for air reverse circulation and wireline coring according to an embodiment of the present invention.

In this embodiment, the utility model relates to a multi-functional drilling rod that can be used for air reverse circulation and rope coring includes drilling rod 1 and inner tube 2, and the main effect of drilling rod 1 is for transmitting power when creeping into, carries high-pressure gas when air reverse circulation, carries mud when the rope is cored, and the main effect of inner tube 2 is used for the air reverse circulation, carries the rock dust to ground, and drilling rod 1 adopts outer flat design on the external diameter.

The one end of drilling rod 1 is external thread connection end 3, and the other end is female connection end 4, and the both ends of inner tube 2 are installed in drilling rod 1 through first joint 5 and second joint 6, first joint 5 and second joint 6 with all be provided with step spacing subassembly 7 between the inner wall of drilling rod 1, fix through circlip 8 between first joint 5 and the drilling rod 1.

First joint 5's one end sets up first inner tube connecting seat 9, is provided with the connecting hole that 2 tip external diameters in cooperation inner tube set up on first inner tube connecting seat 9, and first inner tube connecting seat 9 setting is inserted to the one end of inner tube 2, and first joint 5's hole is greater than including connecting hole 10 and the through-hole 11 that are linked together, the aperture of connecting hole 10 the aperture of through-hole 11, the one end that the second connects 6 sets up second inner tube connecting seat 12, and the second connects the hole of 6 including connecting hole 10, well hole 13 and the outer hole 14 that are linked together, and sealing washer 15 sets up in outer hole 14, and the aperture that outer hole 14 is greater than connecting hole 10, and the aperture of connecting hole 10 is greater than the aperture of well hole 13, and the other end of inner tube 2 inserts.

The working process is as follows: when the device is used for air reverse circulation, the inner pipe 2 is inserted into the drill rod 1, the direction is noticed, and the elastic retainer ring 8 is placed in the fixed groove, so that the drill rod and the inner pipe are integrated; during coring of the rope, the circlip 8 is first removed, and the inner tube 2 is then withdrawn and available for drilling.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a can be used for multi-functional drilling rod of air reverse circulation and rope coring, its includes drilling rod and inner tube, the one end of drilling rod is the thread connection end, and the other end is the thread connection end, its characterized in that, the both ends of inner tube through first joint and second connect install in the drilling rod, first joint and second connect with all be provided with the spacing subassembly of step between the inner wall of drilling rod, fix through circlip between first joint and the drilling rod.

2. The multifunctional drill rod capable of being used for air reverse circulation and rope coring as claimed in claim 1, wherein a first inner pipe connecting seat is provided at one end of the first joint, a connecting hole is provided on the first inner pipe connecting seat and is matched with the outer diameter of the end of the inner pipe, and one end of the inner pipe is inserted into the first inner pipe connecting seat.

3. The multifunctional drill rod capable of being used for air reverse circulation and rope coring as claimed in claim 2, wherein a second inner tube connecting seat is arranged at one end of the second joint, a sealing ring is arranged in an inner hole at the other end of the second joint, a connecting hole matched with the outer diameter of the end of the inner tube is arranged on the second inner tube connecting seat, and the other end of the inner tube is inserted into the second inner tube connecting seat.

4. The multifunctional drill rod capable of being used for air reverse circulation and rope coring as claimed in claim 2, wherein the inner hole of the first joint comprises a connecting hole and a through hole which are communicated with each other, and the aperture of the connecting hole is larger than that of the through hole.

5. The multifunctional drill rod capable of being used for air reverse circulation and rope coring as claimed in claim 3, wherein the inner hole of the second joint comprises a connecting hole, a middle hole and an outer connecting hole which are communicated, the sealing ring is arranged in the outer connecting hole, the aperture of the outer connecting hole is larger than that of the connecting hole, and the aperture of the connecting hole is larger than that of the middle hole.