CN214886887U

CN214886887U - Down-the-hole drill rod

Info

Publication number: CN214886887U
Application number: CN202120205834.1U
Authority: CN
Inventors: 王为东; 郝学锋; 房增河; 高超; 郭现伟; 胡瑞金
Original assignee: Shandong Yuanyuntong Mining Equipment Science And Technology Co ltd
Current assignee: Shandong Yuanyuntong Mining Equipment Science And Technology Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-26
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a down-the-hole drill rod, including down-the-hole drill rod body, first spout has all been seted up to down-the-hole drill rod body inner wall both sides, the inside sliding connection of first spout has first slider. The utility model discloses a pass through the screw thread ring with the screw-thread drill bit and stabilize with down-the-hole drilling rod body and be connected, can outwards spur the screw-thread drill bit, the first slider that makes the connecting rod both sides carries out the slide adjusting in the inside of first spout, the fixing clip pole carries out the lock with firm draw-in groove, elasticity through second reset spring makes adjusting buckle and fixed slot fix, strengthen the lock of fixing clip pole and firm draw-in groove, the second slider of inside firm pole both sides slides inside the second spout when the connecting rod is gliding, slide firm gliding effect to the slip of connecting rod, avoid the in-process of connecting rod increase use, inside takes place to rock the problem that leads to the drill bit to take place to damage, the threaded rod runs through the screw hole and carries out the rigidity of screw-thread drill bit.

Description

Down-the-hole drill rod

Technical Field

The utility model relates to a down-the-hole drilling rod technical field, concretely relates to down-the-hole drilling rod.

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 drilling rod on the existing market generally needs to meet different drilling requirements through changing the drilling rods with different lengths when in use, the step of changing the drilling rod is complicated, time and labor are wasted, the convenient degree is not high, rock dust and fine broken stone particles generated during drilling easily enter the inside of the drilling rod, and the abrasion of the drilling rod caused by the fact that the drill rod is easily accumulated inside the drilling rod.

Therefore, there is a need for a down-the-hole drill pipe that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a down-the-hole drill rod, through connecting the screw drill bit with the down-the-hole drill rod body firmly through the screw ring, can outwards pull the screw drill bit, make the first slider of connecting rod both sides slide adjusting in the inside of first spout, the fixing clip pole carries out the lock with firm draw-in groove, make adjusting buckle and fixing draw-in groove fix through the elasticity of second reset spring, thereby strengthen the lock of fixing clip pole and firm draw-in groove, the second slider of inside firm pole both sides slides in the inside second spout when the connecting rod slides, play the effect of firm slip to the slip of connecting rod, avoid the connecting rod in the process of using by extension, the problem that the drill bit takes place to damage is rocked to inside, use the threaded rod to run through the screw hole to carry out the position fixing of screw drill bit, the inside that sand soil can be placed to enter the down-the-hole drill rod body to first sealed pad and second sealing washer, to address the above-mentioned deficiencies in the art.

In order to achieve the above object, the present invention provides the following technical solutions: the down-the-hole drill rod comprises a down-the-hole drill rod body, wherein first sliding grooves are formed in two sides of the inner wall of the down-the-hole drill rod body, first sliding blocks are connected in a sliding mode inside the first sliding grooves, a connecting rod is fixedly connected between the two first sliding blocks, threaded holes penetrate through the interior of the down-the-hole drill rod body, the number of the threaded holes is two, the two threaded holes are symmetrically arranged around the central axis of the connecting rod, threaded rods are connected inside the threaded holes in a threaded mode, the connecting rod is fixedly connected with the down-the-hole drill rod body through the threaded rods, the connecting rod penetrates through the down-the-hole drill rod body and extends to one side of the outer wall, first sealing rings are fixedly connected to the outer wall of the connecting rod, threaded rings are fixedly connected to one side of the outer wall of the connecting rod, threaded drill bits are connected to the outer wall of the threaded rings in a threaded mode, and second sealing rings are arranged between the threaded drill bits and the down-the hole drill rod body, and the second sealing ring is fixedly connected with the down-the-hole drill rod body.

Preferably, the second sliding grooves are formed in two sides of the inner wall of the connecting rod, the second sliding blocks are connected inside the second sliding grooves in a sliding mode, the second sliding blocks are fixedly connected with the stabilizing rod, and the first reset spring is fixedly connected between one side of the outer wall of the stabilizing rod and the inner wall of the connecting rod.

Preferably, a movable groove penetrates through one side of the outer wall of the connecting rod, and the stabilizing rod penetrates through the movable groove and extends to one side of the outer wall.

Preferably, the down-the-hole drill rod body is internally provided with two stable clamping grooves, and the two stable clamping grooves are fixedly connected with the fixed clamping rods in a buckled mode and fixedly connected with the fixed clamping rods.

Preferably, a third sliding groove penetrates through the inside of the fixing clamping rod, two third sliding grooves are formed in the fixing clamping rod, and the two third sliding grooves are symmetrically arranged around the central axis of the fixing clamping rod.

Preferably, the inside sliding connection of third spout has the regulation buckle, fixedly connected with second reset spring between regulation buckle outer wall one side and the fixed card pole inner wall, the inside fixed slot that has run through of firm draw-in groove, fixed slot's quantity and regulation buckle phase-match, it is connected with the fixed slot lock to adjust the buckle.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the threaded drill bit is stably connected with the down-the-hole drill rod body through the threaded ring, when the drill bit is required to be used in different lengths, the threaded drill bit can be pulled outwards, the first sliding blocks on two sides of the connecting rod can be adjusted in a sliding mode inside the first sliding groove, the fixing clamping rod is buckled with the stabilizing clamping groove, the adjusting buckle is fixed with the fixing clamping groove through the elastic force of the second reset spring, and therefore buckling of the fixing clamping rod and the stabilizing clamping groove is strengthened, the second sliding blocks on two sides of the internal stabilizing rod can slide inside the second sliding groove while the connecting rod slides, the connecting rod can further slide stably, and the problem that the drill bit is damaged due to internal shaking in the process of prolonging the use of the connecting rod is solved;

2. after finishing adjusting through the connecting rod, use the threaded rod to run through the screw hole and carry out the rigidity of screw drill bit, at the in-process of adjusting, the inside that sand and soil got into the down-the-hole drilling rod body can be placed to first sealed pad and second sealing washer.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a view of the overall cross-section of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the explosive connection structure of the down-the-hole drill rod body and the thread drill bit of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

Description of reference numerals:

1. a down-the-hole drill rod body; 2. a first chute; 3. a first slider; 4. a connecting rod; 5. a first seal ring; 6. a threaded hole; 7. a threaded rod; 8. a threaded ring; 9. a second seal ring; 10. a thread drill bit; 11. a second chute; 12. a second slider; 13. a first return spring; 14. a stabilizing rod; 15. A clamping groove is stabilized; 16. fixing the clamping rod; 17. a third chute; 18. adjusting the buckle; 19. a second return spring; 20. and fixing the clamping groove.

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.

The utility model provides a down-the-hole drill rod as shown in figures 1-5, which comprises a down-the-hole drill rod body 1, wherein two sides of the inner wall of the down-the-hole drill rod body 1 are respectively provided with a first chute 2, the inside of the first chute 2 is connected with a first slide block 3 in a sliding way, a connecting rod 4 is fixedly connected between the two first slide blocks 3, a threaded hole 6 is penetrated through the inside of the down-the-hole drill rod body 1, the number of the threaded hole 6 is two, the two threaded holes 6 are symmetrically arranged about the central axis of the connecting rod 4, the inside of the threaded hole 6 is connected with a threaded rod 7 in a threaded way, the connecting rod 4 is fixedly connected with the down-the-hole drill rod body 1 through the threaded rod 4, the connecting rod 4 penetrates through the down-the-hole drill rod body 1 to extend to one side of the outer wall, the outer wall of the connecting rod 4 is fixedly connected with a first sealing ring 5, one side of the outer wall of the connecting rod 4 is fixedly connected with a threaded ring 8, the outer wall of the threaded ring 8 is in threaded connection with a threaded drill bit 10, a second sealing ring 9 is arranged between the threaded drill bit 10 and the down-the-hole drill rod body 1, and the second sealing ring 9 is fixedly connected with the down-the-hole drill rod body 1.

Further, in the above technical scheme, second chutes 11 have been all seted up to connecting rod 4 inner wall both sides, the inside sliding connection of second chute 11 has second slider 12, two fixedly connected with stabilizing rod 14 between second slider 12, fixedly connected with first reset spring 13 between stabilizing rod 14 outer wall one side and the connecting rod 4 inner wall, this structure effectively says that when connecting rod 4 is gliding, second slider 12 of inside stabilizing rod 14 both sides slides inside second chute 11, further plays the gliding effect of stabilizing to the slip of connecting rod 4.

Furthermore, in the above technical solution, a movable groove penetrates through one side of the outer wall of the connecting rod 4, and the stabilizing rod 14 penetrates through the movable groove and extends to one side of the outer wall.

Further, in the above technical scheme, the down-the-hole drill rod body 1 is internally provided with two stable clamping grooves 15, the two stable clamping grooves 15 are respectively and fixedly connected with the fixed clamping rod 16, and the two fixed clamping rods 16 are fixedly connected with the stable clamping rod 14, so that the structure effectively shows that the fixed clamping rods 16 are fastened with the stable clamping grooves 15.

Further, in the above technical solution, a third sliding groove 17 penetrates through the inside of the fixing clamping rod 16, two third sliding grooves 17 are provided, and the two third sliding grooves 17 are symmetrically arranged about the central axis of the fixing clamping rod 16.

Further, in the above technical solution, the inside of the third sliding groove 17 is slidably connected with an adjusting buckle 18, a second return spring 19 is fixedly connected between one side of the outer wall of the adjusting buckle 18 and the inner wall of the fixing clamp rod 16, a fixing clamp groove 20 penetrates through the inside of the fixing clamp groove 15, the number of the fixing clamp grooves 20 is matched with that of the adjusting buckle 18, the adjusting buckle 18 is connected with the fixing clamp groove 20 in a buckling manner, and the structure effectively illustrates that the adjusting buckle 18 is fixed with the fixing clamp groove 20 through the elastic force of the second return spring 19, so that the buckling of the fixing clamp rod 16 and the fixing clamp groove 15 is strengthened.

This practical theory of operation:

referring to the accompanying drawings 1-5, in use, the apparatus is used to connect a threaded drill bit 10 firmly to a down-the-hole drill rod body 1 via a threaded ring 8, and when different lengths of use are required, the thread drill 10 can be pulled outwards to lead the first sliding blocks 3 at both sides of the connecting rod 4 to carry out sliding adjustment in the first sliding chute 2, since the fixing clip rod 16 is fastened with the fixing clip groove 15, the adjusting clip 18 is fixed with the fixing clip groove 20 by the elastic force of the second return spring 19, thereby enhancing the fastening of the fixing clip rod 16 with the stabilizing clip groove 15, so that while the connecting rod 4 slides, the second sliding blocks 12 on two sides of the internal stabilizing rod 14 slide in the second sliding grooves 11, so that the effect of stabilizing and sliding the sliding of the connecting rod 4 is further achieved, and the problem that the drill bit is damaged due to internal shaking in the process of prolonging the use of the connecting rod 4 is avoided;

referring to the attached drawings 1-5 in the specification, when the device is used, after the connecting rod 4 is adjusted, the threaded rod 7 penetrates through the threaded hole 6 to fix the position of the threaded drill bit 10, and in the adjusting process, the first sealing gasket 5 and the second sealing gasket 9 can be used for placing sand and soil into the down-the-hole drill rod body 1.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Down-the-hole drill rod includes down-the-hole drill rod body (1), its characterized in that: the down-the-hole drill rod is characterized in that first sliding grooves (2) are formed in two sides of the inner wall of the down-the-hole drill rod body (1), first sliding blocks (3) are connected to the inside of each first sliding block (2) in a sliding mode, connecting rods (4) are fixedly connected between the two first sliding blocks (3), threaded holes (6) penetrate through the inside of the down-the-hole drill rod body (1), two threaded holes (6) are formed in the number, the two threaded holes (6) are symmetrically arranged about the central axis of each connecting rod (4), threaded rods (7) are connected to the inside of the threaded holes (6) in a threaded mode, the connecting rods (4) are fixedly connected with the down-the-hole drill rod body (1) through the threaded rods (4), the connecting rods (4) penetrate through the down-the drill rod body (1) and extend to one side of the outer wall, first sealing rings (5) are fixedly connected to the outer wall of the connecting rods (4), and threaded rings (8) are fixedly connected to one side of the outer wall of the connecting rods (4), the outer wall of the threaded ring (8) is in threaded connection with a threaded drill bit (10), a second sealing ring (9) is arranged between the threaded drill bit (10) and the down-the-hole drill rod body (1), and the second sealing ring (9) is fixedly connected with the down-the-hole drill rod body (1).

2. A down-the-hole drill pipe as defined in claim 1, wherein: second spout (11) have all been seted up to connecting rod (4) inner wall both sides, second spout (11) inside sliding connection has second slider (12), two fixedly connected with stabilizing rod (14) between second slider (12), first reset spring (13) of fixedly connected with between stabilizing rod (14) outer wall one side and connecting rod (4) inner wall.

3. A down-the-hole drill pipe as defined in claim 2, wherein: a movable groove penetrates through one side of the outer wall of the connecting rod (4), and the stabilizing rod (14) penetrates through the movable groove and extends to one side of the outer wall.

4. A down-the-hole drill pipe as defined in claim 1, wherein: firm draw-in groove (15) have been seted up to down-the-hole drill rod body (1) inside, the quantity of firm draw-in groove (15) is provided with two, two the inside equal lock of firm draw-in groove (15) is connected with fixing clip pole (16), two between fixing clip pole (16) with firm pole (14) fixed connection.

5. A down-the-hole drill pipe as claimed in claim 4, wherein: third sliding grooves (17) penetrate through the inside of the fixing clamping rod (16), two third sliding grooves (17) are formed in the number, and the two third sliding grooves (17) are symmetrically arranged around the central axis of the fixing clamping rod (16).

6. A down-the-hole drill rod as claimed in claim 5, wherein: third spout (17) inside sliding connection has regulation buckle (18), fixedly connected with second reset spring (19) between regulation buckle (18) outer wall one side and fixing clip pole (16) inner wall, fixing clip groove (20) have been run through to firm draw-in groove (15) inside, the quantity and the regulation buckle (18) phase-match of fixing clip groove (20), it is connected with fixing clip groove (20) lock to adjust buckle (18).