Adjustable drill rod centralizer assembly tool

Abstract

The utility model relates to the technical field of drilling operation auxiliary devices, and particularly discloses an adjustable drilling rod centralizer assembly tool which comprises a main body, a drilling rod centralizer, a drilling rod centralizer and an adjusting device. The multiple sets of clamping assemblies are arranged in the main body in the axial direction of the drill rod, and the clamping assemblies can slide in the radial direction of the drill rod; the driving ring is rotatably arranged in the main body; the plurality of driving parts are fixedly arranged on the inner wall surface of the driving ring corresponding to each group of clamping assemblies; the driving inclined planes are arranged on the driving parts, and the clamping assemblies are in sliding contact with the driving inclined planes; the driving assembly is used for driving the driving ring to rotate; according to the clamping device, the multiple clamping assemblies synchronously abut against the outer wall face of the drill rod, the stress uniformity of the drill rod can be improved, the risk that the drill rod is jacked obliquely is reduced, the distance between the clamping assemblies can be adjusted, the clamping requirements of drill rods with different diameters can be met, and the application range of the clamping device is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drilling operation auxiliary device especially relates to adjustable drill rod centralizer assembly tool. BACKGROUND

[0002] In the drilling operation, need to use the drill pipe to drill, the diameter of the drill pipe is less than the diameter of the cone installed at its front end, make the drill pipe and the drill hole wall exist gap, and the drill pipe is in unstable state, therefore, in order to guarantee the stability of the drill pipe in the drilling operation, in order to facilitate the control to the drill pipe, generally installs the righting device at the end of the drill pipe.

[0003] For example, in the Chinese patent with the application number CN202323242578.1, a kind of petroleum drilling righting device is disclosed, including fixed disc, through hole is set at the center position of fixed disc, limiting mechanism is arranged at the top of fixed disc, limiting mechanism includes vertical plate. By hand wheel, screw rod can adjust limiting plate, limiting plate drives rolling mechanism to approach each other, and the both sides of drill pipe are extruded and limited, ball is in contact with the surface of drill pipe, will not affect the rotation and lifting of drill pipe, it is convenient to limit and righting by rolling mechanism to different diameter drill pipe, and not limited by the diameter of drill hole, low in use cost, it is convenient to use;Mounting seat is screwed in the inside of installation groove, can be replaced after ball is damaged, limiting plate can be limited by limiting groove and limiting rod, improve the stability during the movement of limiting plate.

[0004] However, in the above technical scheme, manual rotation hand wheel is needed, screw rod is screwed and rotated in the inside of vertical plate, and drives limiting plate to move in the inside of through hole, limiting plate approaches each other while driving rolling mechanism to approach each other, rolling mechanism is in contact with the both sides of drill pipe through ball, it is convenient to extrude and limit the both sides of drill pipe.

[0005] In the above technical scheme, hand wheel on the both sides of drill pipe cannot be rotated synchronously, cannot guarantee that the ball on both sides can move synchronously along the radial direction of drill pipe, the ball on both sides of drill pipe cannot clamp drill pipe synchronously, there is the risk of drilling pipe top oblique. UTILITY MODEL CONTENTS

[0006] In view of the above problems, the utility model provides a kind of adjustable drill pipe centralizer assembly tool, its purpose is to improve the uniformity of drill pipe clamping stress.

[0007] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0008] The adjustable drill rod centralizer assembly tooling device comprises a main body, a plurality of clamping assemblies, a driving ring, a plurality of driving components, a driving slope and a driving assembly.

[0009] Further, the clamping assembly comprises a mounting plate and a universal ball, the body of the universal ball is fixedly arranged on the mounting plate, and the ball of the universal ball is used for abutting against the drill rod.

[0010] Further, the clamping assembly further comprises a limiting block arranged at one end of the second rod away from the mounting plate, and a spring sleeved on the second rod, one end of the spring abutting against the limiting block, and the other end of the spring abutting against the main body.

[0011] Further, the tooling device further comprises a roller rollably arranged at one end of the first rod away from the mounting plate, and the roller and the driving slope are rollably contacted.

[0012] Further, the main body comprises a first plate and a second plate arranged in parallel at a fixed height, a connecting cylinder in a cylindrical shape, one end of the connecting cylinder being fixedly connected with the first plate, and the other end of the connecting cylinder being fixedly connected with the second plate, and a mounting platform arranged on the second plate, and the driving ring is rotatably arranged on the mounting platform through a rotary bearing.

[0013] Further, the driving assembly comprises a driving motor fixedly arranged in the main body, a driving gear and a driven gear in meshing arrangement, the driving gear being arranged on the output shaft of the driving motor, and the driven gear being arranged on the driving ring.

[0014] The drill rod centralizer assembly tooling device has the advantages that the plurality of clamping assemblies distributed along the circumference of the drill rod can be synchronously moved along the radial direction of the drill rod, the plurality of clamping assemblies can be synchronously abutted against the outer wall surface of the drill rod, the uniformity of the stress of the drill rod can be improved, and the risk of the drill rod being tilted can be reduced.

[0015] In the utility model, the driving component can push the clamping assembly by different distances by controlling the rotating angle of the driving ring, the distance between the clamping assemblies can be adjusted, the clamping requirement of the drill pipe with different diameters is met, and the application range of the utility model is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The mounting structure inside the body provided for the embodiment of the application is shown in the schematic diagram.

[0017] Figure 2 The mounting structure top view of the connecting cylinder and the clamping assembly provided for the embodiment of the application.

[0018] Wherein, 11, first plate piece;12, second plate piece;13, connecting cylinder;14, mounting platform;2, driving ring;21, driving component;22, driving slope;31, mounting plate;32, universal ball;33, first rod piece;34, second rod piece;35, limit block;36, spring;37, roller;41, driving motor;42, driving gear;43, driven gear. DETAILED DESCRIPTION

[0019] In order to better understand the above technical solutions, the above technical solutions will be described in detail in the following with reference to the drawings and specific embodiments of the specification.

[0020] Referring to Figure 1 And Figure 2 The embodiment of the application discloses a kind of adjustable drill pipe centralizer assembly tool, including: main body, passageway for drill pipe is vertically set in main body;Several groups of clamping assemblies are set in the axial direction of drill pipe in main body, and clamping assembly can slide along the radial direction of drill pipe;Driving ring 2, rotatably arranged in main body;Several driving components 21 are fixedly arranged on the inner wall surface of driving ring 2 corresponding to each group of clamping assemblies;Driving slope 22 is arranged on each driving component 21, and clamping assembly and driving slope 22 are slidably contacted;Driving assembly is used to drive driving ring 2 to rotate, to drive several driving slopes 22 synchronous extrusion several groups of clamping assemblies to do linear motion along the radial direction of drill pipe close to drill pipe.

[0021] In the utility model, driving ring 2 is driven to rotate by driving assembly, can drive several driving components 21 synchronous movement, to drive several driving slopes 22 synchronous extrusion push several groups of clamping assemblies to move along the radial direction of drill pipe, until clamping assembly is in contact with the outer wall surface of drill pipe, and the centralizing operation of drill pipe is completed.

[0022] By using the utility model, can drive along the drill pipe circumference distribution several groups of clamping assembly synchronous along the radial direction of drill pipe movement, can several groups of clamping assembly synchronous abuts the outer wall of drill pipe, can promote the drill pipe stress evenness, reduce the risk of drill pipe top oblique.

[0023] In the utility model, by controlling the rotation angle of driving ring 2, driving part 21 can move the clamping assembly by different distances, the distance between the clamping assemblies can be adjusted to meet the clamping needs of drill pipes of different diameters, and the application range of the utility model is improved.

[0024] It can be understood that the main body can be installed on the drilling machine by bolt connection, and can be installed on the ground by expansion bolts.

[0025] Specifically, the clamping assembly comprises: a mounting plate 31 and a universal ball 32, the body of the universal ball 32 is fixedly arranged on the mounting plate 31, and the ball of the universal ball 32 is used to abut against the drill pipe; a first rod 33 is slidably arranged in the main body in parallel to the radial direction of the drill pipe, one end of the first rod 33 slidably abuts against the driving inclined surface 22, and the other end of the first rod 33 is fixedly connected with the mounting plate 31; and a second rod 34 is slidably arranged in the main body in parallel to the radial direction of the drill pipe, one end of the second rod 34 is fixedly connected with the mounting plate 31.

[0026] Specifically, the clamping assembly further comprises: a limiting block 35 arranged at one end of the second rod 34 away from the mounting plate 31; and a spring 36 sleeved on the second rod 34, one end of the spring 36 abuts against the limiting block 35, and the other end of the spring 36 abuts against the main body.

[0027] In use, the driving ring 2 is positively rotated, that is, the driving part 21 is driven to rotate, so as to drive the driving inclined surface 22 to push the first rod 33 to slide in the main body, and synchronously, the second rod 34 also slides in the main body, and the limiting block 35 also drives the spring 36 to be extruded in the sliding process of the second rod 34; in this way, the mounting plate 31 is driven to move close to the drill pipe, until the ball of the universal ball 32 abuts against the outer wall of the drill pipe, and the clamping and righting operation of the drill pipe is completed.

[0028] It is worth mentioning that the driving ring 2 is reversely rotated, the spring 36 has a tendency to restore deformation, the spring 36 pushes the limiting block 35 to slide, so as to drive the second rod 34 and the mounting plate 31 to slide towards the direction away from the drill pipe, and the reset operation of the first rod 33 is completed.

[0029] In the embodiment, the drill pipe is abutted by the universal ball 32, the drill pipe can be freely rotated and lifted, the normal operation of the drill pipe is ensured, and the righting of the drill pipe is also ensured.

[0030] Preferably, one second rod 34 is arranged on each of the upper side and the lower side of the first rod 33.

[0031] Preferably, the tool further comprises a roller 37 rollably mounted on the end of the first rod 33 away from the mounting plate 31, the roller 37 and the driving slope 22 being in rollable contact to rollably connect the first rod 33 and the driving slope 22 and reduce abrasion.

[0032] Preferably, the main body comprises the first plate 11 and the second plate 12 fixed at a distance apart and arranged in parallel, a connecting cylinder 13 in the shape of a cylinder, one end of the connecting cylinder 13 being fixedly connected to the first plate 11 and the other end of the connecting cylinder 13 being fixedly connected to the second plate 12, and a mounting platform 14 arranged on the second plate 12, the driving ring 2 being rotatably arranged on the mounting platform 14 through a rotary bearing.

[0033] In the embodiment, the first rod 33 and the second rod 34 are both slidably mounted on the connecting cylinder 13, and a passageway for the drill rod to pass through is formed through the first plate 11, the second plate 12 and the connecting cylinder 13.

[0034] Preferably, the driving assembly comprises a driving motor 41 fixedly arranged in the main body, a driving gear 42 and a driven gear 43 arranged in engagement, the driving gear 42 being arranged on the output shaft of the driving motor 41 and the driven gear 43 being arranged on the driving ring 2.

[0035] Specifically, the output shaft of the driving motor 41 is rotated forward and reversely to drive the driving ring 2 to rotate forward and reversely.

[0036] Those skilled in the art should understand that, although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to cover all changes and modifications falling within the scope of the present application. Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application, they are intended to be included in the present application.

Claims

1. An adjustable drill pipe centralizer assembly tool, characterized by, The utility model relates to a drilling rod clamping device, including: a main body, a passageway for a drill rod to pass through is vertically arranged in the main body; a plurality of clamping assemblies arranged in the main body along the axial direction of the drill rod, and the clamping assemblies can slide along the radial direction of the drill rod; a driving ring (2) rotatably arranged in the main body; a plurality of driving components (21) fixedly arranged on the inner wall surface of the driving ring (2) corresponding to each clamping assembly; a driving slope (22) arranged on each driving component (21), and the clamping assembly is in slidable contact with the driving slope (22); a driving assembly for driving the driving ring (2) to rotate, thereby synchronously pressing the plurality of driving slopes (22) to make the plurality of clamping assemblies move linearly along the radial direction of the drill rod.

2. The adjustable drill pipe centralizer assembly tool of claim 1, wherein, The clamping assembly includes: a mounting plate (31) and a universal ball (32), the body of the universal ball (32) is fixedly arranged on the mounting plate (31), and the rolling ball of the universal ball (32) is used for abutting against the drill rod; a first rod (33) slidably arranged in the main body parallel to the radial direction of the drill rod, one end of the first rod (33) slidably abuts against the driving slope (22), and the other end of the first rod (33) is fixedly connected with the mounting plate (31); a second rod (34) slidably arranged in the main body parallel to the radial direction of the drill rod, one end of the second rod (34) is fixedly connected with the mounting plate (31).

3. The adjustable drill pipe centralizer assembly tool of claim 2, wherein, The clamping assembly further includes: a limiting block (35) arranged at the end of the second rod (34) away from the mounting plate (31); a spring (36) sleeved on the second rod (34), one end of the spring (36) abuts against the limiting block (35), and the other end of the spring (36) abuts against the main body.

4. The adjustable drill pipe centralizer assembly tool of claim 2, wherein, Further including: a roller (37) rollably mounted at the end of the first rod (33) away from the mounting plate (31), and the roller (37) and the driving slope (22) are in rollable contact.

5. The adjustable drill pipe centralizer assembly tool of claim 1, wherein, The main body includes: a first plate (11) and a second plate (12) arranged in parallel at a fixed interval and a fixed height; a connecting cylinder (13) in the shape of a cylinder, one end of the connecting cylinder (13) is fixedly connected with the first plate (11), and the other end of the connecting cylinder (13) is fixedly connected with the second plate (12); an installation platform (14) arranged on the second plate (12), and the driving ring (2) is rotatably arranged on the installation platform (14) through a rotary table bearing.

6. The adjustable drill pipe centralizer assembly tool of claim 1, wherein, The driving assembly includes: a driving motor (41) fixedly arranged in the main body; a driving gear (42) and a driven gear (43) in meshing installation, the driving gear (42) is arranged on the output shaft of the driving motor (41), and the driven gear (43) is arranged on the driving ring (2).

Images