CN-118650568-B - Rust removal and prevention device for drill rod

CN118650568BCN 118650568 BCN118650568 BCN 118650568BCN-118650568-B

Abstract

The invention discloses a rust removing and preventing device for drill rods, which relates to the technical field of rust removing and preventing of drill rods and comprises a frame, wherein a supporting cylinder and a connecting cylinder are fixed at the top of the frame, a rotating cylinder is rotatably connected between the supporting cylinder and the connecting cylinder, bearing mechanisms are respectively arranged in the supporting cylinder and the connecting cylinder, each bearing mechanism comprises a plurality of electric driving rollers, an adjusting component used for adjusting the distance between the plurality of electric driving rollers is arranged on the side surface of the supporting cylinder, each adjusting component comprises an adjusting cylinder rotatably arranged on the side surface of the supporting cylinder, the adjusting cylinders rotate to drive the guide frame to synchronously follow the movement, the guide frame moves, the connecting rod slides in the guide frame, and the connecting rod moves to drive the plurality of electric driving rollers to be close to or far away from each other through the guide rod, so that the distance between the plurality of electric driving rollers is adjusted, the drill rods with different specifications are suitable for the drill rods, and the application range is improved.

Inventors

SUN CHANGQING
FU TANGQIANG
Nie Fengchuan
HU QIANG
WANG JIE
XU RUIQING
TANG WEI
HU GEBIAO
LIU YUAN
GAN JIBIN
GONG WENKAI
HE JUNNA
LIU JINBIAO
Mi zhe

Assignees

国网江西省电力有限公司建设分公司
国网江西省电力有限公司
国家电网有限公司

Dates

Publication Date: 20260505
Application Date: 20240730

Claims (6)

1. The rust removing and preventing device for the drill rod is characterized by comprising a frame (1), wherein a supporting cylinder (2) and a connecting cylinder (4) are fixed at the top of the frame (1), a rotating cylinder (3) is rotatably connected between the supporting cylinder (2) and the connecting cylinder (4), bearing mechanisms (5) are arranged inside the supporting cylinder (2) and the connecting cylinder (4), each bearing mechanism (5) comprises a plurality of electric driving rollers (502), and an adjusting component for adjusting the distance between the plurality of electric driving rollers (502) is arranged on the side surface of the supporting cylinder (2); The rust removing device is characterized in that a rust removing mechanism (6) is arranged inside the rotating cylinder (3), the rust removing mechanism (6) comprises a sand storage box (601) and a plurality of annular sand pipes (602), the sand storage box (601) is provided with a feeding cover and a plurality of sand spraying pumps (611), a plurality of groups of sand spraying components are arranged inside the rotating cylinder (3), and the sand storage box (601) is connected with the plurality of groups of sand spraying components through the annular sand pipes (602); The top of the frame (1) is provided with a driving mechanism (7) for driving the rotary cylinder (3) to rotate for omnibearing rust removal; An anti-rust mechanism (8) for anti-rust of the drill rod is arranged in the connecting cylinder (4); The sand blasting assembly comprises a plurality of mounting frames (606), the position of each mounting frame (606) of the connecting cylinder (4) is fixedly provided with a double-pass pipe (609), sand inlets of the double-pass pipes (609) are communicated with the annular pipe, two sand blasting pipes (607) are mounted on the mounting frames (606), sand blasting directions of the two sand blasting pipes (607) are arranged in tandem, a feeding port of each sand blasting pipe (607) is respectively connected with two sand outlet pipes of the double-pass pipes (609), the side face of each mounting frame (606) is fixedly provided with a rotating block (605), rotating sleeves (604) are rotationally arranged on the rotating blocks (605), two ends of each rotating sleeve (604) are fixedly provided with mounting plates (603) and connected with the rotating blocks (605) and the mounting plates (603) through torsion springs, and the mounting plates (603) are fixed on the inner walls of the connecting cylinders (4); and one ends of the mounting frames (606) close to each other are respectively fixed with a contact roller (608), and two sand outlet pipes of the two-way pipe (609) are respectively provided with a control valve.
2. The rust removing and preventing device for drill pipes according to claim 1, wherein the adjusting assembly comprises an adjusting cylinder (503) rotatably arranged on the side surface of a supporting cylinder (2), a plurality of guide frames (504) are arranged on the outer surface of the adjusting cylinder (503), a plurality of guide rods (501) corresponding to the electric driving rollers (502) are slidably arranged on the supporting cylinder (2) and the connecting cylinder (4), the guide rods (501) are connected with the electric driving rollers (502) through elastic telescopic members, two guide rods (501) corresponding to the supporting cylinder (2) and the connecting cylinder (4) are fixedly connected through a connecting rod (505), and the connecting rod (505) is slidably arranged inside the corresponding guide frames (504).
3. The rust removing and preventing device for drill pipes according to claim 2, wherein a worm wheel (506) is fixed on the outer portion of the adjusting cylinder (503), a worm (507) meshed with the worm wheel (506) is rotatably arranged on the surface of the frame (1), and a rotating plate is fixed at the end portion of the worm (507).
4. The rust removing and preventing device for drill pipes according to claim 1, wherein the driving mechanism (7) comprises a motor (704) fixed on the surface of the frame (1), and a rotating rod (702) rotatably arranged on the surface of the frame (1), the rotating rod (702) is fixedly connected with an output shaft of the motor (704), a driving gear (703) is fixed on the outer surface of the rotating rod (702), and a driven gear (701) meshed with the driving gear (703) is fixed on the outer surface of the rotating cylinder (3).
5. The rust removing and preventing device for drill pipes according to claim 4, wherein the rust preventing mechanism (8) comprises an annular liquid pipe (804) fixed on the inner wall of the connecting cylinder (4), a liquid storage tank (801) is fixed on the surface of the frame (1), a liquid adding port is formed in the liquid storage tank (801), a liquid suction pump (803) is fixed on the top of the liquid storage tank (801), a liquid inlet pipe of the liquid suction pump (803) penetrates through the surface of the liquid storage tank (801) and extends below the liquid level in the liquid storage tank (801), a liquid outlet pipe of the liquid suction pump (803) penetrates through the surface of the connecting pipe and is communicated with the annular liquid pipe (804), a stirring rod (802) is arranged in the liquid storage tank (801) in a rotating mode, and the end portion of the stirring rod (802) is fixedly connected with the rotating rod (702).
6. The rust removing and preventing device for drill pipes according to claim 1, wherein at least one partition plate (610) is installed inside the sand storage box (601), the partition plate (610) divides the interior of the sand storage box (601) into a plurality of sand storage spaces, and feed inlets of a plurality of annular sand pipes (602) are sequentially communicated with the plurality of sand storage spaces.

Description

Rust removal and prevention device for drill rod Technical Field The invention relates to the technical field related to rust removal and rust prevention technologies of drill pipes, in particular to a rust removal and rust prevention device for drill pipes. 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 drill pipe can be used for multiple times in the exploitation and refining process of oil gas. The drill pipes are divided into three types, namely, kelly, drill pipe and weighted drill pipe. In the long-time use process of the drill rod, a dirt layer and a rust layer can be formed on the surface, the surface of the drill rod needs to be subjected to rust removal periodically in order to prolong the service life of the drill rod, oil coating and other maintenance works are carried out on the surface of the drill rod, common drill rod rust removal and prevention equipment is inconvenient to move the drill rod in the rust removal process of the drill rod, and the rust removal process can only be carried out on independent parts. Disclosure of Invention In order to solve the defects in the prior art, the invention provides a rust removing and preventing device for a drill rod. In order to solve the technical problems, the invention provides the following technical scheme: The invention relates to a rust removing and preventing device for a drill rod, which comprises a frame, wherein a supporting cylinder and a connecting cylinder are fixed at the top of the frame, a rotating cylinder is rotationally connected between the supporting cylinder and the connecting cylinder, bearing mechanisms are arranged in the supporting cylinder and the connecting cylinder, each bearing mechanism comprises a plurality of electric driving rollers, and an adjusting assembly for adjusting the distance between the plurality of electric driving rollers is arranged on the side surface of the supporting cylinder; the rotary cylinder is internally provided with a rust removing mechanism, the rust removing mechanism comprises a sand storage box and a plurality of annular sand pipes, the sand storage box is fixed outside the rotary cylinder, a feeding cover and a plurality of sand-blasting pumps are arranged on the sand storage box, the rotary cylinder is internally provided with a plurality of groups of sand-blasting assemblies, and the sand storage box is connected with the plurality of groups of sand-blasting assemblies through the annular sand pipes; the top of the frame is provided with a driving mechanism for driving the rotary cylinder to rotate to remove rust in all directions; And an antirust mechanism for antirust the drill rod is arranged in the connecting cylinder. As a preferable technical scheme of the invention, the adjusting assembly comprises an adjusting cylinder rotatably arranged on the side surface of a supporting cylinder, a plurality of guide frames are arranged on the outer surface of the adjusting cylinder, a plurality of guide rods corresponding to the electric driving roller are slidably arranged on the supporting cylinder and the connecting cylinder, the guide rods are connected with the electric driving roller through elastic telescopic pieces, the two corresponding guide rods on the supporting cylinder and the connecting cylinder are fixedly connected through a connecting rod, and the connecting rod is slidably arranged in the corresponding guide frames. As a preferable technical scheme of the invention, a worm wheel is fixed outside the adjusting cylinder, a worm meshed with the worm wheel is rotatably arranged on the surface of the frame, and a rotating plate is fixed at the end part of the worm. As a preferable technical scheme of the invention, the sand blasting assembly comprises a plurality of mounting frames, the positions of the connecting cylinders on each mounting frame are respectively provided with a double-pass pipe, sand inlets of the double-pass pipes are communicated with the annular pipes, two sand blasting pipes are arranged on the mounting frames, sand blasting directions of the two sand blasting pipes are arranged in tandem, feed inlets of the two sand blasting pipes are respectively connected with two sand outlet pipes of the double-pass pipes, rotating blocks are fixed on the side surfaces of the mounting frames, rotating sleeves are rotationally arranged on the rotating blocks, mounting plates are respectively fixed at two ends of each rotating sleeve, the rotating blocks are connected with the mounting plates through torsion springs,