CN215332711U

CN215332711U - Wear-resisting oil drill pipe with long service life

Info

Publication number: CN215332711U
Application number: CN202121554346.8U
Authority: CN
Inventors: 吴杰
Original assignee: Individual
Current assignee: Jiangsu Puteng Oil And Gas Equipment Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-28
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a wear-resistant oil drill rod with long service life, which comprises a rod body, wherein the top end of the rod body is provided with an annular thread groove, the bottom of the rod body is fixedly provided with an annular thread block, the outer wall of the rod body is provided with a protective sleeve, two sides of the outer wall of the rod body are both provided with fixed grooves, and the top of each fixed groove is provided with a limit groove. This long service life's wear-resisting oil drill pipe, the utility model discloses a body of rod, sealed pad, the whorl piece, lag, the whorl groove, the spacing groove, first spring, the spout, the slide, the gag lever post, a supporting plate, the gyro wheel, protruding type piece, the second spring, the fixed block, spacing post, the draw-in groove, the cooperation of baffle and mounting groove is used, consequently when using this drilling rod, can have the interior striking body of rod of avoiding the oil well, the drilling rod of being convenient for plays down, the protection drilling rod avoids the direct wearing and tearing of the body of rod, wear-resisting effectual, drilling rod long service life.

Description

Wear-resisting oil drill pipe with long service life

Technical Field

The utility model relates to the technical field of petroleum drilling tools, in particular to a wear-resistant petroleum drill rod with long service life.

Background

The oil drilling rod is an indispensable important tool in oil drilling operation, because the oil drilling depth is generally deeper, a plurality of drilling rods are required to be connected to ensure normal drilling along with the increase of the drilling depth, the oil field drilling and workover operation gradually extends to deeper and more complex geology along with the increase of the oil exploitation strength, inclined wells, horizontal wells and measure wells are more and more, and the abrasion loss of a protective layer of the drilling rod is very large.

However, traditional wear-resisting oil drill pipe with long service life on the market at present, the protecting sleeve is directly fixed with the outer wall of the oil drill pipe, and cannot be detached.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wear-resistant oil drill pipe with long service life, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a wear-resistant oil drill rod with long service life comprises a rod body, wherein the top end of the rod body is provided with an annular thread groove, the bottom of the rod body is fixedly provided with an annular thread block, the outer wall of the rod body is provided with a protective sleeve, two sides of the outer wall of the rod body are respectively provided with a fixed groove, the top of each fixed groove is provided with a limiting groove, one side, far away from the protective sleeve, inside each fixed groove is provided with a sliding groove, a sliding plate is slidably mounted on each sliding groove, one side of the top of each sliding plate is fixedly provided with a limiting rod, the bottom of each sliding plate is fixedly provided with a first spring, the outer wall of each limiting rod is fixedly provided with a convex block, a supporting plate is fixedly mounted inside each fixed groove, a fixed block is fixedly penetrated and wiped above one side of the supporting plate, two sides of the inner wall of the protective sleeve are respectively provided with a clamping groove, and the fixed block is slidably provided with a limiting column through a sliding hole formed in one side of the fixed block, the fixed cover of having connect the baffle on the outer wall of spacing post, cup jointed the second spring on the outer wall of spacing post, spacing post is close to the one end of baffle and has seted up the mounting groove, the mounting groove rotates through its internally mounted's pivot and installs the gyro wheel.

As a further scheme of the utility model: and a sealing gasket is bonded at the bottom end of the rod body in the annular thread block.

As a still further scheme of the utility model: one end of the first spring, which is far away from the sliding plate, is fixedly connected with the bottom of the fixing groove.

As a still further scheme of the utility model: the second spring is positioned between the baffle and the fixed block.

As a still further scheme of the utility model: the inner wall of the annular thread block is provided with threads, the inner ring of the annular thread groove is provided with threads, and the annular thread groove is in threaded connection with the annular thread block.

As a still further scheme of the utility model: one side of the convex block, which is far away from the limiting rod, is arc-shaped.

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

the utility model uses the matching of the rod body, the sealing gasket, the annular thread block, the protective sleeve, the annular thread groove, the limiting groove, the first spring, the sliding groove, the sliding plate, the limiting rod, the supporting plate, the roller wheel, the convex block, the second spring, the fixing block, the limiting post, the clamping groove, the baffle plate and the mounting groove, therefore, when the drill rod is used, the rod body can be prevented from being impacted in an oil well, the drill rod can be protected, the direct abrasion of the rod body can be avoided, the wear-resisting effect is good, the service life of the drill rod is long, the limiting post is driven to move out from the inside of the clamping groove by the fixing block, the limiting post loses the limiting position of the clamping groove, the protective sleeve can be drawn out from the outer wall of the rod body, then the protective sleeve is replaced, thereby the effect of the protective sleeve and the rod body can be realized, meanwhile, only one section of the rod body needs to be disassembled aiming at the damaged position of the protective sleeve, the accurate replacement is realized, time and labor are saved, the replacement is convenient, and the use by people is convenient.

Drawings

FIG. 1 is a schematic structural view of a long-life wear-resistant oil drill pipe;

FIG. 2 is a top view of a long life wear resistant oil drill pipe;

FIG. 3 is an enlarged schematic view of a long life wear resistant oil drill pipe at A in FIG. 1;

FIG. 4 is an enlarged schematic view of a long life wear resistant oil drill pipe at B in FIG. 3;

FIG. 5 is a side view of a long life wear resistant oil drill pipe stop post.

In the figure: the device comprises a rod body 1, a sealing gasket 2, an annular thread block 3, a protective sleeve 4, an annular thread groove 5, a limiting groove 6, a first spring 7, a sliding groove 8, a sliding plate 9, a limiting rod 10, a supporting plate 11, a fixing groove 12, a roller 13, a convex block 14, a second spring 15, a fixing block 16, a limiting column 17, a clamping groove 18, a baffle 19 and a mounting groove 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the present invention, a wear-resistant oil drill pipe with a long service life includes a rod body 1, a ring-shaped thread groove 5 is formed at a top end of the rod body 1, a ring-shaped thread block 3 is fixedly installed at a bottom of the rod body 1, the ring-shaped thread block 3 is matched with the ring-shaped thread groove 5, a protective sleeve 4 is disposed on an outer wall of the rod body 1, fixing grooves 12 are formed on both sides of the outer wall of the rod body 1, a limiting groove 6 is formed at a top of the fixing groove 12, the limiting groove 6 is communicated with an inside of the ring-shaped thread groove 5, a sliding groove 8 is formed at a side of the inside of the fixing groove 12, which is far away from the protective sleeve 4, a sliding plate 9 is slidably installed on the sliding groove 8, a limiting rod 10 is fixedly installed at one side of a top of the sliding plate 9, the limiting rod 10 is slidably connected with the limiting groove 6, a first spring 7 is fixedly installed at a bottom of the sliding plate 9, a convex block 14 is fixedly installed on an outer wall of the limiting rod 10, a supporting plate 11 is fixedly arranged inside the fixing groove 12, a fixing block 16 is fixedly arranged above one side of the supporting plate 11 in a penetrating and wiping mode, clamping grooves 18 are formed in two sides of the inner wall of the protective sleeve 4, a limiting post 17 is slidably arranged on the fixing block 16 through a sliding hole formed in one side of the fixing block, the limiting post 17 is clamped with the clamping grooves 18, a baffle plate 19 is fixedly sleeved on the outer wall of the limiting post 17, a second spring 15 is sleeved on the outer wall of the limiting post 17, a mounting groove 20 is formed in one end, close to the baffle plate 19, of the limiting post 17, a roller 13 is rotatably arranged in the mounting groove 20 through a rotating shaft arranged in the mounting groove, the roller 13 is in rolling contact with the convex block 14, a sealing gasket 2 is bonded in the annular thread block 3 at the bottom end of the rod body 1, a first spring 7 end, far away from the sliding plate 9, is fixedly connected with the bottom of the fixing groove 12, the second spring 15 is arranged between the baffle plate 19 and the fixing block 16, threads are formed in the inner wall of the annular thread block 3, the inner ring of the annular thread groove 5 is provided with threads, the annular thread groove 5 is in threaded connection with the annular thread block 3, and one side, away from the limiting rod 10, of the convex block 14 is arc-shaped.

The working principle of the utility model is as follows:

when the device is used, the rod body 1 and the protective sleeve 4 are in an installation state in the drawing, the first spring 7 and the second spring 15 are in a compression state at the moment, when the rod body 1 and the protective sleeve 4 are to be installed, and the plurality of rod bodies 1 are connected, the protective sleeve 4 is sleeved on the outer wall of the rod body 1, the clamping groove 18 is aligned with the limiting post 17, then the annular thread block 3 at the bottom end of the other rod body 1 is rotated into the annular thread groove 5, in the rotating and entering process, the annular thread block 3 gives a downward force to the limiting rod 10, the limiting rod 10 slides downwards on the limiting groove 6, the sliding plate 9 is driven by the movement of the limiting rod 10 to slide on the sliding groove 8, the sliding plate 9 extrudes the first spring 7, meanwhile, the limiting rod 10 drives the convex block 14 to move downwards, and the convex block 14 passes through the radian of one side of the convex block 14 in the downward moving process, the roller 13 rolls on the convex block 14, and a relative force is applied to the roller 13, so that the roller 13 drives the limiting column 17 to move towards the inside of the clamping groove 18, the limiting column 17 can extrude the second spring 15 through the baffle 19 in the moving process, when the annular thread block 3 is completely screwed into the annular thread groove 5, the limiting column 17 can clamp the clamping groove 18, and the limiting column 17 cannot be separated from the inside of the clamping groove 18 under the limiting of the annular thread block 3 on the limiting rod 10, at the moment, the second spring 15 and the first spring 7 are in a compressed state, then the limiting column 17 limits the clamping groove 18, so that the protective sleeve 4 is limited, the protective sleeve 4 is firmly fixed on the outer wall of the rod body 1 and cannot move, and meanwhile, the connection among a plurality of rod bodies 1 is completed, therefore, when the drill rod is used, the rod body 1 can be prevented from being impacted in an oil well, the protection device is convenient for taking off a drill rod, protects the drill rod, avoids direct abrasion of the rod bodies 1, has good wear-resisting effect and long service life, and simultaneously, when the protection sleeve 4 on the outer wall of one of the rod bodies 1 of the drill rod is damaged and needs to be replaced, the rod body 1 at the top end of one of the rod bodies 1 only needs to be screwed out from the inside of the annular thread groove 5 through the annular thread block 3, so that the annular thread block 3 loses the limiting effect on the limiting rod 10, the sliding plate 9 is driven to slide upwards on the sliding groove 8 under the elastic action of the first spring 7, then the sliding plate 9 drives the limiting rod 10 to move upwards, the convex block 14 also wants to move upwards, at the moment, the convex block 14 does not have relative force on the roller 13, so that under the elastic action of the second spring 15, the fixing block 16 drives the limiting column 17 to move out from the inside of the clamping groove 18, the limiting column 17 loses the clamping groove 18 and can take out the protection sleeve 4 from the outer wall of the rod body 1, then change lag 4 to realize lag 4 with the dismantlement effect of the body of rod 1, simultaneously to the impaired position of lag 4, only need disassemble one of them section body of rod 1, realized accurate change, labour saving and time saving, it is convenient to change, the people's of being convenient for use.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a long service life's wear-resisting oil drill pipe, includes the body of rod (1), its characterized in that: the novel telescopic rod is characterized in that an annular thread groove (5) is formed in the top end of the rod body (1), an annular thread block (3) is fixedly mounted at the bottom of the rod body (1), a protective sleeve (4) is arranged on the outer wall of the rod body (1), fixing grooves (12) are formed in two sides of the outer wall of the rod body (1), a limiting groove (6) is formed in the top of the fixing groove (12), a sliding groove (8) is formed in one side, away from the protective sleeve (4), of the inside of the fixing groove (12), a sliding plate (9) is slidably mounted on the sliding groove (8), a limiting rod (10) is fixedly mounted on one side of the top of the sliding plate (9), a first spring (7) is fixedly mounted at the bottom of the sliding plate (9), a convex block (14) is fixedly mounted on the outer wall of the limiting rod (10), a supporting plate (11) is fixedly mounted in the inside of the fixing groove (12), a fixing block (16) is fixedly penetrated and mounted above one side of the supporting plate (11), draw-in groove (18) have all been seted up to the both sides of lag (4) inner wall, sliding hole slidable mounting that fixed block (16) was seted up through its one side has spacing post (17), fixed cover has connect baffle (19) on the outer wall of spacing post (17), second spring (15) have been cup jointed on the outer wall of spacing post (17), mounting groove (20) have been seted up to the one end that spacing post (17) are close to baffle (19), gyro wheel (13) are installed in pivot rotation through its inside installation in mounting groove (20).

2. A long-life wear-resistant oil drill pipe as claimed in claim 1, characterized in that: the bottom end of the rod body (1) is positioned inside the annular thread block (3) and is bonded with a sealing gasket (2).

3. A long-life wear-resistant oil drill pipe as claimed in claim 1, characterized in that: one end of the first spring (7) far away from the sliding plate (9) is fixedly connected with the bottom of the fixing groove (12).

4. A long-life wear-resistant oil drill pipe as claimed in claim 1, characterized in that: the second spring (15) is positioned between the baffle plate (19) and the fixed block (16).

5. A long-life wear-resistant oil drill pipe as claimed in claim 1, characterized in that: the inner wall of the annular thread block (3) is provided with threads, the inner ring of the annular thread groove (5) is provided with threads, and the annular thread groove (5) is in threaded connection with the annular thread block (3).

6. A long-life wear-resistant oil drill pipe as claimed in claim 1, characterized in that: one side of the convex block (14) far away from the limiting rod (10) is arc-shaped.