CN210387667U

CN210387667U - Special clamping and boring device for drill collar

Info

Publication number: CN210387667U
Application number: CN201921448959.6U
Authority: CN
Inventors: 郭浩
Original assignee: Jiangyou Haoming Industry Co Ltd
Current assignee: Jiangyou Haoming Industry Co Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-04-24
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a special clamping and boring device for a drill collar, which comprises a bottom plate, wherein a clamping mechanism is arranged at the middle position of the bottom plate, and boring mechanisms are arranged at the two ends of the bottom plate; the clamping mechanism is used for clamping operation of the drill collar; the boring mechanism is used for boring the drill collar; the clamping mechanism comprises a lower clamping assembly, an upper clamping assembly is arranged on one side of the lower clamping assembly, and a locking assembly is arranged on the other side of the lower clamping assembly; the lower clamp assembly and the upper clamp assembly mutually complete the clamping operation of the drill collar; the locking assembly is used for locking the state of the upper clamp assembly, so that the lower clamp assembly and the upper clamp assembly are matched to finish the clamping operation of the drill collar. The utility model discloses conveniently realize the centre gripping of various sizes drill collar, conveniently realize the bore hole operation of drill collar, can avoid rocking that the major axis rotates the in-process to produce effectively, improve drill collar bore hole effect, bore hole efficiency when improving drill collar bore hole has stronger practicality.

Description

Special clamping and boring device for drill collar

Technical Field

The utility model relates to a drill collar processing equipment technical field that is correlated with especially relates to a special centre gripping bore hole device of drill collar.

Background

The drill collar is located at the lowest part of the drill string and is the main component of the lower drilling assembly. The drill rod is mainly characterized in that the wall thickness is large, generally 38-53mm, equivalent to 4-6 times of the wall thickness of the drill rod, and the drill rod has large gravity and rigidity. In order to facilitate the tripping operation, a hanging slot and a slip slot can be processed on the outer surface of the internal thread of the drill collar.

The function of the drill collar is as follows: applying weight on bit to the drill bit; ensuring the necessary strength under the compression condition; the vibration, the swing, the jumping and the like of the drill bit are reduced, so that the drill bit works stably; and controlling the well deviation.

Drill collars are generally classified into 3 types: spiral drill collar, non-magnetic drill collar, integral drill collar.

The whole drill collar is a smooth thick-wall circular pipe, connecting threads are machined at two ends of the circular pipe, and the spiral drill collar is provided with 3 right-handed spiral grooves on the outer cylindrical surface of the circular drill collar so as to reduce the contact area with the well wall, effectively prevent differential pressure drill jamming and facilitate tripping operation, and a hanging clamp groove and a slip groove can be machined on the outer surface of the internal thread of the drill collar.

The inner hole of the drill collar needs to be bored after casting is completed, so that the precision of the inner hole of the drill collar is improved, in the existing ground, a constant clamping device is adopted to clamp the drill collar with a constant size in the drill collar boring process, therefore, a plurality of clamping devices are needed in the drill collar boring process, the cost investment of enterprises is increased undoubtedly, the existing clamping device is inconvenient to clamp the drill collar, meanwhile, the clamping process is complex, the drill collar boring time is prolonged, the drill collar boring efficiency is reduced, meanwhile, in the existing ground, the drill collar boring operation is realized through a multi-section type boring method, although the boring operation of the drill collar is completed, the multi-section type boring mode needs to carry out positioning and clamping operation of the drill collar for multiple times, the risk that the clamping precision is uncertain is increased, and the drill collar boring efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special centre gripping bore hole device of drill collar to solve the not enough of above-mentioned prior art, conveniently realize the centre gripping of various sizes drill collar, conveniently realize the bore hole operation of drill collar, can avoid rocking that the major axis rotates the in-process to produce effectively, improve drill collar bore hole effect, bore hole efficiency when improving drill collar bore hole has stronger practicality.

In order to realize the purpose of the utility model, the following technologies are adopted:

a clamping and boring device special for a drill collar comprises a bottom plate, wherein a clamping mechanism is arranged in the middle of the bottom plate, and boring mechanisms are arranged at two ends of the bottom plate;

the clamping mechanism is used for clamping operation of the drill collar;

the boring mechanism is used for boring the drill collar;

the clamping mechanism comprises a lower clamping assembly, an upper clamping assembly is arranged on one side of the lower clamping assembly, and a locking assembly is arranged on the other side of the lower clamping assembly;

the lower clamp assembly and the upper clamp assembly mutually complete the clamping operation of the drill collar;

the locking assembly is used for locking the state of the upper clamp assembly, so that the lower clamp assembly and the upper clamp assembly are matched to finish the clamping operation of the drill collar;

the boring mechanism comprises a feeding assembly and a boring assembly assembled on the feeding assembly;

the feeding assembly is used for feeding operation of the boring assembly during boring of the drill collar.

Furthermore, the lower clamp assembly comprises two rows of support plates, the lower ends of the support plates are fixedly mounted at the middle position of the bottom plate, lower clamps are fixedly mounted at the upper ends of the support plates, and abdicating grooves are formed in the upper ends of the lower clamps in an equally-spaced array mode.

Furthermore, the lower clamping piece is of a V-shaped structure, and a rubber pad is arranged on the inner wall of the lower clamping piece.

Further, go up the clamp subassembly and include that the lower extreme installation is fixed in the first hydro-cylinder of bottom plate intermediate position one side, first hydro-cylinder upper end installation is fixed with the lifter plate, the lifter plate outer wall takes shape in pairs has a plurality of pairs of limiting plate, every is every all to be equipped with the baffle between the limiting plate, baffle lower extreme installation is fixed in the bottom plate, the lifter plate upper end is that the installation is fixed with a plurality of pairs of rotation seats equally spaced array ground, every is every to all being equipped with the folder between the rotation seat, it all takes shape the flange to go up the folder other end and extend the ground horizontally, it is all just to the groove.

Furthermore, the upper clamping piece is of an inverted V-shaped structure, and a rubber pad is arranged on the inner wall of the upper clamping piece.

Furthermore, the locking assembly comprises a second cylinder, the lower end of the second cylinder is fixedly arranged on the other side of the bottom plate, a mounting plate is fixedly arranged at the upper end of the second cylinder, limiting pieces are fixedly arranged on the mounting plate in an equally-spaced array mode, the limiting pieces penetrate through locking plates, round rods are fixedly arranged on the outer walls of the locking plates, limiting plates penetrate through the outer side ends of the round rods, the lower ends of the limiting plates are fixedly arranged on the mounting plate, springs are arranged between the limiting plates and the locking plates, and the springs penetrate through the round rods;

the number of the locking plates is equal to that of the upper clamping pieces, and the locking plates correspond to the upper clamping pieces in position one to one;

when the locking plate is clamped on the convex plate, the locking assembly locks the state of the upper clamp assembly.

Furthermore, the feeding assembly comprises a pair of fixed seats fixed at two ends of the bottom plate, the fixed seats are fixedly provided with support plates in an upward extending mode, two side walls of each support plate are provided with side convex pieces in an outward extending mode, the upper ends of the support plates are provided with upward extending pieces in an upward extending mode, screw rods are assembled between the upward extending pieces, guide rods are fixedly arranged between the side convex pieces, and a driving unit is arranged on the outer wall of one support plate and used for driving the rotation of the screw rods.

Furthermore, the boring assembly comprises a moving plate, the middle position of the moving plate is of a disc-shaped structure, an upper convex plate is formed at the upper end of the moving plate in an upward extending mode, two side walls of the moving plate are both formed with an epitaxial plate in an outward extending mode, the upper convex plate is screwed on the screw rod, the epitaxial plate penetrates through the guide rod, a boring motor is fixedly installed on the outer wall of the moving plate, an output shaft of the boring motor is connected with a rotating shaft, a boring cutter is assembled at the other end of the rotating shaft, and a rotation limiting part is;

the upper end of the support plate is provided with a through hole penetrating through the wall, and the boring motor penetrates through the through hole.

Furthermore, the rotation limiting part comprises an arc plate which is fixed on the inner wall of the moving plate in a circumferential array mode, bearings are fixedly installed on the arc plate in an equally spaced array mode, the rotating shaft is sleeved with the bearings, an angle supporting plate is fixedly installed on the outer wall of the installing and rotating end of the arc plate, and the other end of the angle supporting plate is fixedly installed on the moving plate.

Further, drive unit includes the motor fixed plate, and the motor fixed plate installation is fixed with the motor, and the motor output shaft is equipped with the drive wheel, and the drive wheel is around having the belt a plurality of, and the belt other end is equipped with from the driving wheel, assembles in the one end of screw rod from the driving wheel.

The technical scheme has the advantages that:

1. and the clamping mechanism is used for clamping the drill collar. The clamping mechanism mainly comprises a lower clamping assembly, an upper clamping assembly and a locking assembly, wherein the upper clamping assembly and the locking assembly are assemblies capable of moving up and down, the lower clamping assembly is a fixing assembly, the upper clamping assembly and the locking assembly simultaneously move downwards to clamp a drill collar on the lower clamping assembly, the upper clamping assembly and the lower clamping assembly are both in a V-shaped structure in order to expand the clamping range of the drill collar, corresponding abdicating grooves are formed in the lower clamping assembly in order to expand the movement range of the upper clamping assembly, in the clamping process of the drill collar, the locking mechanism can complete the locking of one end of the upper clamping assembly when a locking plate on the locking mechanism is clamped on the convex plate, and after the locking is completed, a first oil cylinder and a second air cylinder are simultaneously started to pull the upper clamping assembly downwards until the drill collar is clamped between the upper clamping assembly and the lower clamping assembly;

2. the boring mechanism is used for boring operation of the drill collar. The boring mechanism consists of a feeding assembly for boring feeding and a boring assembly for boring, wherein a screw rod and a guide rod are arranged in a triangular shape in the feeding assembly, so that a drill collar is conveniently placed on the lower clamp assembly, and simultaneously, the screw rod is a power source for movement of the moving plate, and the guide rod guides the movement direction of the moving plate;

3. the utility model discloses conveniently realize the centre gripping of various sizes drill collar, conveniently realize the bore hole operation of drill collar, can avoid rocking that the major axis rotates the in-process to produce effectively, improve drill collar bore hole effect, bore hole efficiency when improving drill collar bore hole has stronger practicality.

Drawings

Fig. 1 shows a first three-dimensional structure of the present invention.

Fig. 2 shows a second three-dimensional structure of the present invention.

Fig. 3 shows a third perspective view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

As shown in FIGS. 1-3, a clamping boring device special for a drill collar comprises a base plate 1, a clamping mechanism is arranged at the middle position of the base plate 1, boring mechanisms are arranged at two ends of the base plate 1, the clamping mechanism 3 is used for clamping the drill collar 4, the boring mechanism 2 is used for boring the drill collar 4,

the clamping mechanism 3 comprises a lower clamp assembly 30, an upper clamp assembly 32 is arranged on one side of the lower clamp assembly 30, a locking assembly 31 is arranged on the other side of the lower clamp assembly 30, the lower clamp assembly 30 and the upper clamp assembly 32 mutually complete clamping operation of the drill collar 4, the locking assembly 31 is used for locking the upper clamp assembly 32 in a state, so that the lower clamp assembly 30 and the upper clamp assembly 32 are matched to complete clamping operation of the drill collar 4, the boring mechanism 2 comprises a feeding assembly and a boring assembly assembled on the feeding assembly, and the feeding assembly is used for feeding operation of the boring assembly during boring of the drill collar 4.

The lower clamping assembly 30 comprises two rows of supporting plates 300 with lower ends fixed at the middle position of the bottom plate 1, lower clamping pieces 301 are fixed at the upper ends of the supporting plates 300, and abdicating grooves 302 are formed at the upper ends of the lower clamping pieces 301 in an equally spaced array. The lower clip 301 is of a V-shaped structure, and a rubber pad is arranged on the inner wall.

Go up clamp assembly 32 and include that the lower extreme installation is fixed in the first hydro-cylinder 320 of bottom plate 1 intermediate position one side, the installation of first hydro-cylinder 320 upper end is fixed with lifter plate 321, the outer wall of lifter plate 321 forms a plurality of pairs of limiting plate 322 in pairs, all be equipped with baffle 323 between every pair of limiting plate 322, the installation of baffle 323 lower extreme is fixed in bottom plate 1, the upper end of lifter plate 321 is the installation of equidistant array and is fixed with a plurality of pairs of seat 324 of rotating, every is all equipped with folder 325 between rotating seat 324, the other end of folder 325 all forms protruding board 326 with level extension, it is all just to the groove of stepping down 302 to go up folder 325. The upper clamp 325 is an inverted V-shaped structure with a rubber pad on the inner wall.

The locking assembly 31 comprises a second cylinder 310 with a lower end fixed on the other side of the bottom plate 1, a mounting plate 311 is fixed on the upper end of the second cylinder 310, a limiting member 312 is fixed on the mounting plate 311 in an equally spaced array, a locking plate 313 penetrates through the limiting members 312, round rods 314 are fixed on the outer wall of the locking plate 313, limiting plates 315 penetrate through the outer ends of the round rods 314, the lower end of each limiting plate 315 is fixed on the mounting plate 311, springs 316 are arranged between the limiting plates 315 and the locking plates 313, the springs 316 penetrate through the round rods 314, the locking plates 313 and the upper clamping members 325 are equal in number and are in one-to-one correspondence in position, and when the locking plates 313 are clamped on the convex plates 326, the locking assembly 31 locks the state of the upper clamping assembly 32.

The feeding assembly comprises a pair of fixed seats 20 fixed at two ends of the bottom plate 1, the fixed seats 20 are respectively fixed with a support plate 21 in an upward extending manner, side protruding pieces 210 are respectively formed on two side walls of the support plate 21 in an outward extending manner, an upward extending piece 211 is formed at the upper end of the support plate 21 in an upward extending manner, a screw 22 is assembled between the upward extending pieces 211, guide rods 23 are respectively fixed between the side protruding pieces 210 in an installing manner, and a driving unit 25 is arranged on the outer wall of one support plate 21 and used for driving the screw 22 to rotate.

The boring assembly comprises a moving plate 26, the middle position of the moving plate 26 is of a disc-shaped structure, an upper convex plate 261 is formed at the upper end of the moving plate 26 in an upward extending mode, outer extending plates 262 are formed on two side walls of the moving plate 26 in an outward extending mode, the upper convex plate 261 is screwed on the screw 22, the outer extending plates 262 penetrate through the guide rod 23, a boring motor 27 is fixedly installed on the outer wall of the moving plate 26, an output shaft of the boring motor 27 is connected with a rotating shaft 28, a boring cutter 280 is assembled at the other end of the rotating shaft 28, and a rotation limiting part 29; the upper end of the support plate 21 is formed with a through hole through the wall, and the boring motor 27 is inserted into the through hole. The rotation limiting member 29 includes arc plates 290 fixed on the inner wall of the moving plate 26 in a circumferential array, the arc plates 290 are fixed with bearings 292 in an equally spaced array, the bearings 292 are sleeved on the rotating shaft 28, the outer walls of the installation and rotation ends of the arc plates 290 are fixed with angle supporting plates 291, and the other ends of the angle supporting plates 291 are fixed on the moving plate 26. The driving unit 25 comprises a motor fixing plate 24, a motor 250 is fixedly mounted on the motor fixing plate 24, an output shaft of the motor 250 is provided with a driving wheel 251, the driving wheel 251 is wound with a plurality of belts 252, the other end of each belt 252 is provided with a driven wheel 253, and the driven wheel 253 is assembled at one end of the screw rod 22.

The specific implementation mode is as follows:

1. starting the motor 250, the screw 22 rotates under the driving of the motor 250, and the rotation of the screw 22 drives the backward movement of the moving plate 26;

2. the first cylinder 320 and the second cylinder 310 are started to lift the supporting plate 300 and the lifting plate 321 to the same height;

3. rotating each upper clamp 325 to place the drill collar on the lower clamp 301;

4. rotating each upper clip member 325 such that the flange 326 end of the upper clip member 325 is positioned above the locking plate 313;

5. pulling out each locking plate 313, and when the convex plate 326 is positioned below the locking plate 313, loosening the locking plate 313 to enable the locking plate 313 to carry out limit locking on the upper end of the convex plate 326;

6. the motor 250 and the boring motor 27 are started, so that the boring cutter 280 is fed forward in the rotation process, and the inner wall of the drill collar 4 is bored until the boring is finished.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A clamping boring device special for a drill collar is characterized by comprising a bottom plate (1), wherein a clamping mechanism is arranged in the middle of the bottom plate (1), and boring mechanisms are arranged at two ends of the bottom plate (1);

the clamping mechanism (3) is used for clamping the drill collar;

the boring mechanism (2) is used for boring operation of the drill collar;

the clamping mechanism (3) comprises a lower clamping component (30), an upper clamping component (32) is arranged on one side of the lower clamping component (30), and a locking component (31) is arranged on the other side of the lower clamping component (30);

the lower clamp assembly (30) and the upper clamp assembly (32) mutually complete the clamping operation of the drill collar;

the locking assembly (31) is used for locking the state of the upper clamp assembly (32) so that the lower clamp assembly (30) and the upper clamp assembly (32) are matched to complete the clamping operation of the drill collar;

the boring mechanism (2) comprises a feeding component and a boring component assembled on the feeding component;

2. The special clamping and boring device for the drill collar as claimed in claim 1, wherein the lower clamp assembly (30) comprises two rows of support plates (300) with lower ends fixed at the middle position of the bottom plate (1), the lower clamps (301) are fixed at the upper ends of the support plates (300), and the upper ends of the lower clamps (301) are formed with the abdicating grooves (302) in an equally spaced array.

3. The clamping boring device special for drill collars as claimed in claim 2, characterized in that the lower clamp (301) is V-shaped and the inner wall is provided with a rubber pad.

4. The special clamping boring device for the drill collar as claimed in claim 3, wherein the upper clamp assembly (32) comprises a first oil cylinder (320) with a lower end fixed on one side of the middle position of the bottom plate (1), a lifting plate (321) is fixed on the upper end of the first oil cylinder (320), a plurality of pairs of limiting plates (322) are formed on the outer wall of the lifting plate (321) in pairs, a guide plate (323) is arranged between each pair of limiting plates (322), the lower end of the guide plate (323) is fixed on the bottom plate (1), a plurality of pairs of rotating seats (324) are fixed on the upper end of the lifting plate (321) in an equally spaced array, an upper clamp (325) is arranged between each pair of rotating seats (324), a convex plate (326) is formed at the other end of the upper clamp (325) in a horizontally extending manner, and the upper clamp (325) faces the yielding groove (302).

5. The clamping and boring device special for drill collars as claimed in claim 4, wherein the upper clamp (325) is of an inverted V-shaped structure, and a rubber pad is arranged on the inner wall.

6. The special clamping boring device for the drill collar as claimed in claim 5, wherein the locking assembly (31) comprises a second cylinder (310) with a lower end fixed to the other side of the base plate (1), a mounting plate (311) is fixed to the upper end of the second cylinder (310), limiting members (312) are fixed to the mounting plate (311) in an equally spaced array, locking plates (313) penetrate through the limiting members (312), round rods (314) are fixed to the outer walls of the locking plates (313), limiting plates (315) penetrate through the outer ends of the round rods (314), the lower ends of the limiting plates (315) are fixed to the mounting plate (311), springs (316) are arranged between the limiting plates (315) and the locking plates (313), and the springs (316) penetrate through the round rods (314);

the number of the locking plates (313) is equal to that of the upper clamping pieces (325), and the positions of the locking plates correspond to those of the upper clamping pieces one by one;

when the locking plate (313) is clamped on the convex plate (326), the locking assembly (31) locks the state of the upper clamp assembly (32).

7. The special clamping and boring device for the drill collar as claimed in claim 1, wherein the feeding assembly comprises a pair of fixed seats (20) fixed at two ends of the base plate (1), the fixed seats (20) are respectively fixed with a support plate (21) in an upward extending manner, two side walls of each support plate (21) are respectively formed with a side convex part (210) in an outward extending manner, the upper ends of the support plates (21) are respectively formed with an upward extending part (211) in an upward extending manner, a screw rod (22) is arranged between the upward extending parts (211), a guide rod (23) is arranged between the side convex parts (210), and a driving unit (25) is arranged on the outer wall of one support plate (21) and used for driving the rotation of the screw rod (22).

8. The clamping and boring device special for the drill collar as claimed in claim 7, wherein the boring assembly comprises a moving plate (26), the middle position of the moving plate (26) is in a disc-shaped structure, an upper protruding plate (261) is formed at the upper end of the moving plate (26) in an upward extending manner, outer extending plates (262) are formed on both side walls of the moving plate (26) in an outward extending manner, the upper protruding plate (261) is screwed on the screw rod (22), the outer extending plates (262) penetrate through the guide rod (23), a boring motor (27) is installed and fixed on the outer wall of the moving plate (26), an output shaft of the boring motor (27) is connected with a rotating shaft (28), a boring cutter (280) is assembled at the other end of the rotating shaft (28), and a rotation limiting member (29);

the upper end of the support plate (21) is provided with a through hole penetrating through the wall, and a boring motor (27) penetrates through the through hole.

9. The special clamping and boring device for the drill collar as claimed in claim 8, wherein the rotation limiting member (29) comprises arc plates (290) which are circumferentially arranged and fixed on the inner wall of the moving plate (26), the arc plates (290) are provided with bearings (292) in an equally spaced array, the bearings (292) are sleeved on the rotating shaft (28), the outer walls of the installation and rotation ends of the arc plates (290) are provided with angle supporting plates (291), and the other ends of the angle supporting plates (291) are provided and fixed on the moving plate (26).

10. The special clamping and boring device for the drill collar as claimed in claim 7, wherein the driving unit (25) comprises a motor fixing plate (24), a motor (250) is fixedly mounted on the motor fixing plate (24), a driving wheel (251) is assembled on an output shaft of the motor (250), a plurality of belts (252) are wound around the driving wheel (251), a driven wheel (253) is arranged at the other end of the belt (252), and the driven wheel (253) is assembled at one end of the screw rod (22).