CN211599404U - Steel wire rope joint for oil field drilling operation - Google Patents

Abstract

A steel wire rope joint for oil field drilling operation. Relates to the technical field of drilling operation. A rotatable universal joint is formed by arranging a lower shaft seat, a flange and an upper shaft seat, a positive and negative buckle bolt is arranged to connect a joint seat, and a locking sleeve locks a steel wire rope. The utility model discloses following beneficial effect has: but set up down freely rotate and can bear certain load between axle bed and the flange, set up the main tributary, the staff interlude is connected mutually, the structure of lower axle bed and last axle bed is connected respectively to main tributary and small axle, make and go up an axle bed and constitute a universal joint with lower axle bed, both can rotate around arbitrary angle and direction on the axis, can make wire rope draw and can not produce the phenomenon of hard bending, wearing and tearing at arbitrary angle and direction, through setting up the locking cap, locking sleeve and joint seat structure form a detachable wire rope and connect, and can change wire rope or adjust wire rope's length as required, adjustable wire rope's tautness simultaneously.

Description

Steel wire rope joint for oil field drilling operation

The technical field is as follows:

the utility model belongs to the technical field of the drilling operation technique and specifically relates to a wire rope connects for oil field drilling operation.

Background art:

when drilling operation is carried out, the drilling frame needs to be connected with the ground anchor through a plurality of steel wire ropes so as to stabilize the drilling frame, so that the drilling frame can resist transverse wind force caused by strong wind, the stability and safety of the drilling frame are ensured, the steel wire ropes used at present are all connected with the ground anchor and the drilling frame through steel wire rope hanging rings, the hanging rings can only be bent in one direction, the steel wire ropes are easy to wind and break, the joint part is hard to bend, the tensioning force of the steel wire ropes is influenced, meanwhile, the abrasion of the joint part is easy to cause, the service life is shortened, and potential safety hazards are.

The utility model has the following contents:

in order to solve the problem, the utility model provides a wire rope connects for oil field drilling operation.

The technical scheme of the utility model is that: a steel wire rope joint for oilfield drilling operation comprises a flange, wherein the upper surface of the flange is connected with a lower shaft seat through a thrust bearing, a lower shaft head at the lower part of the lower shaft seat is connected with a stepped hole in the flange through a shaft-used blocking ring, two lug seats are arranged at the upper part of the lower shaft seat and provided with through holes, the through holes are in clearance fit connection with a large shaft, two sides of the large shaft are connected with inner holes of the lug seats of the lower shaft seat through check rings for holes, the middle part of the large shaft is provided with a through hole in clearance fit connection with a small shaft, two sides of the small shaft are connected with an upper shaft seat, the small shaft is in clearance fit connection with the through holes of the two lug seats of the upper shaft seat, two ends of the small shaft are connected with the inner holes of the lug seats of the upper shaft seat through check rings for holes, the upper part of the upper shaft seat is provided;

the upper part of the joint seat is in threaded connection with a locking cap, an inner hole of the locking cap is a tapered hole which shrinks upwards, a locking sleeve is arranged in the tapered hole of the locking cap, and a tapered column at the upper part of the joint seat is arranged in the locking sleeve;

the locking sleeve is provided with a plurality of strip-shaped openings uniformly on the outer circumference.

The middle part of the positive and negative buckle bolt is provided with two parallel plane openings.

The outer circular surface of the locking cap extends to form a hexagonal head.

The end faces of the large shaft and the small shaft are provided with lubricating holes communicated with the matching surface of the shaft.

The locking cap is arranged at the lower part of the locking sleeve and is provided with a plurality of wire through holes along the circumferential direction.

The utility model discloses following beneficial effect has: but set up down freely rotate and can bear certain load between axle bed and the flange, set up the main tributary, the staff interlude is connected mutually, the structure of lower axle bed and last axle bed is connected respectively to main tributary and small axle, make and go up an axle bed and constitute a universal joint with lower axle bed, both can rotate around arbitrary angle and direction on the axis, can make wire rope draw and can not produce the phenomenon of hard bending, wearing and tearing at arbitrary angle and direction, through setting up the locking cap, locking sleeve and joint seat structure form a detachable wire rope and connect, and can change wire rope or adjust wire rope's length as required, adjustable wire rope's tautness simultaneously.

Description of the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of FIG. 1;

fig. 3 is a schematic structural diagram of the locking sleeve of the present invention.

In the figure, 1-flange, 2-thrust bearing, 3-lower shaft seat, 4-big shaft, 5-upper shaft seat, 6-positive and negative buckle bolt, 7-plane notch, 8-joint seat, 9-locking cap, 10-thread hole, 11-locking sleeve, 12-conical column, 13-lower shaft head, 14-small shaft, 15-hexagonal head, 16-elongated opening and 17-lubrication hole.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings:

referring to fig. 1 and 2-3, a steel wire rope joint for oilfield drilling operation comprises a flange 1, a lower shaft seat 3 is connected to the upper surface of the flange 1 through a thrust bearing 2, a lower shaft head 13 at the lower part of the lower shaft seat 3 is connected with a step hole in the flange 1 through a shaft-use gear, the lower shaft seat 3 and the flange 1 can rotate freely and bear certain load, two lug seats are arranged at the upper part of the lower shaft seat 2 and are provided with through holes in clearance fit connection with a large shaft 4, two sides of the large shaft 4 are connected with inner holes of the lug seats of the lower shaft seat 3 through hole-use retainer rings, a through hole is formed in the middle of the large shaft 4 and is in clearance fit connection with a small shaft 14, the small shaft 14 is connected with an upper shaft seat 5 at two sides in clearance fit connection, two ends of the small shaft 14 are connected with the inner holes of the two lug seats of the upper shaft seat 5 through hole-use retainer rings, the large shaft 4 and the small shaft 14, The large shaft 4 and the small shaft 14 are respectively connected with the lower shaft seat 3 and the upper shaft seat 5, so that the upper shaft seat 5 and the lower shaft seat 3 form a universal joint, and the upper shaft seat and the lower shaft seat can rotate around any angle and direction on the axis.

The upper part of the upper shaft seat 5 is provided with a threaded hole for connecting a positive and negative buckle bolt 6, the upper part of the positive and negative buckle bolt 6 is in threaded connection with a joint seat 8, the thread of the joint seat 8 is opposite to the thread turning direction of the upper shaft seat 5, and the steel wire rope can be used for adjusting the tension of the steel wire rope after being connected with the drilling rig and the ground anchor.

The upper part of the joint seat 8 is in threaded connection with a locking cap 9, an inner hole of the locking cap 9 is an upwards-contracted tapered hole, a locking sleeve 11 is arranged in the tapered hole of the locking cap 9, and a tapered column 12 at the upper part of the joint seat is arranged in the locking sleeve 11;

the locking sleeve 11 is characterized in that a plurality of elongated openings 16 are uniformly formed in the outer circumference of the locking sleeve 11.

The locking cap 9 is arranged at the lower part of the locking sleeve 11, and a plurality of wire through holes 10 are formed in the locking cap 9 along the circumferential direction.

During the use, separately wear each steel wire of wire rope one end between lock sleeve 11 and toper post 12, draw out after passing wire feed hole 10 again, screw in joint seat 8 with locking cap 9, under the effect of the interior taper hole of locking cap 9, rectangular shape opening 16 of lock sleeve 11 contracts, the steel wire is tightened up by the less and less clearance between lock sleeve 11 and toper post 12, wire feed hole 10 rotates under the drive of lock cap 9 simultaneously, the steel wire in wire feed hole 10 also rotates, each steel wire rotation winding of wire rope is on toper post 12 and is locked by toper post 12 and lock sleeve 11, accomplish wire rope's fixed work.

The middle part of the positive and negative buckle bolt 6 is provided with two parallel plane openings 7, and the tension of the steel wire rope can be adjusted by rotating a spanner.

The locking cap 8 is provided with a hexagonal head 15 extending from the outer circumferential surface thereof, and can be detached by using a common wrench.

The large shaft 4 and the small shaft 14 are provided with lubricating holes 17 on the end faces of the shafts to be communicated with the matching surfaces of the shafts, and lithium base grease is injected into the lubricating holes to lubricate each matching rotating surface, so that each rotating surface can rotate flexibly.

But free rotation just can bear certain load down between axle bed and the flange, set up the macroaxis, the staff alternates mutually and connects, the structure of axle bed and last axle bed is down connected respectively to macroaxis and staff, make and go up an universal joint of axle bed and lower axle bed constitution, both can rotate around arbitrary angle and direction on the axis, can make wire rope draw and can not produce the hard bending at arbitrary angle and direction, the phenomenon of wearing and tearing, through setting up the locking cap, locking cover and joint seat structure form a detachable wire rope and connect, and can change wire rope or adjustment wire rope's length as required, simultaneously adjustable wire rope's tautness.

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that a designated mechanism or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Claims (5)

1. The utility model provides an oil field is wire rope joint for drilling operation, includes flange (1), its characterized in that: the upper surface of the flange (1) is connected with a lower shaft seat (3) through a thrust bearing (2), a lower shaft head (13) at the lower part of the lower shaft seat (3) is connected with a step hole in the flange (1) through a shaft check ring, two lug seats are arranged at the upper part of the lower shaft seat (3), the two lug seats are provided with through holes which are in clearance fit connection with a big shaft (4), the two sides of the big shaft (4) are connected with inner holes of the lug seats of the lower shaft seat (3) through check rings for holes, the middle part of the big shaft (4) is provided with a through hole which is in clearance fit connection with a small shaft (14), the two sides of the small shaft (14) are connected with an upper shaft seat (5), the small shaft (14) is in clearance fit connection with the through holes of the two lug seats of the upper shaft seat (5), the upper part of the upper shaft seat (5) is provided with a threaded hole which is connected with a positive and negative buckle bolt (6), the upper part of the positive buckle bolt (6, the thread of the joint seat (8) and the thread of the upper shaft seat (5) have opposite rotating directions;

the upper part of the joint seat (8) is in threaded connection with a locking cap (9), an inner hole of the locking cap (9) is an upwards-contracted conical hole, a locking sleeve (11) is arranged in the conical hole of the locking cap (9), and a conical column (12) at the upper part of the joint seat is arranged in the locking sleeve (11);

the locking sleeve (11) is characterized in that a plurality of strip-shaped openings (16) are uniformly formed in the outer circumference of the locking sleeve (11).

2. The oilfield drilling operation wireline joint of claim 1, wherein: the middle part of the positive and negative buckle bolt (6) is provided with two parallel plane openings (7).

3. The oilfield drilling operation wireline joint of claim 1, wherein: the locking cap (9) is provided with a hexagonal head (15) extending from the outer circular surface.

4. The oilfield drilling operation wireline joint of claim 1, wherein: the large shaft (4) and the small shaft (14) are provided with lubricating holes (17) on the end faces of the shafts to be communicated with the matching surface of the shafts.

5. The oilfield drilling operation wireline joint of claim 1, wherein: the locking cap (9) is arranged at the lower part of the locking sleeve (11), and a plurality of wire through holes (10) are formed in the locking cap (9) along the circumferential direction.

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