CN211008504U

CN211008504U - Lock ring type pumping rod elevator

Info

Publication number: CN211008504U
Application number: CN201921720655.0U
Authority: CN
Inventors: 万云聪
Original assignee: Dongying Huachen Petroleum Equipment Co ltd
Current assignee: Dongying Huachen Petroleum Equipment Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-07-14
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a lock ring formula sucker rod elevator, including the bail, the bail shape is the U type, be equipped with the elevator main part in the bail, the round pin axle of being connected with the bail rotation is all welded to elevator main part both sides, elevator main part both sides all are equipped with the disc with bail welding, the disc rotates with the round pin axle and is connected, elevator main part internal rotation is connected with the catch body, catch body one side fixedly connected with and elevator main part sliding connection's bull stick, because T type groove has been seted up along its circumferencial direction on the disc, sliding connection second slider in the T type groove, set up spherical groove in the second slider, the ball is connected to the spherical groove internal rotation, therefore, when rotating the elevator main part, connecting rod and dead lever drive the second slider and slide, ensure constantly to fix the lock ring body, prevent that the catch from becoming invalid, the ball can rotate at spherical groove simultaneously, be convenient for tighten the connecting rod.

Description

Lock ring type pumping rod elevator

Technical Field

The utility model relates to a sucker rod elevator field especially relates to a locking ring formula sucker rod elevator.

Background

In the drilling engineering, an elevator is a tool for hoisting pipes such as drill pipes, oil pipes and casing pipes. It is hung in the hoisting rings at two sides of the hook of the hoisting system so as to carry out the operation of lifting or lowering a drilling tool, an oil pipe and a casing pipe in a well hole. The elevator has different specifications corresponding to the hung drill string.

This application improves under prior art, and among the prior art, current sucker rod elevator is tongue spring elevator, presses two back tongues, bolts the sucker rod through preceding tongue, prevents to deviate from, and the load is little, and the sucker rod drops easily, and the fixed failure that causes the catch when rotating of catch formula sucker rod elevator simultaneously leads to the catch to become invalid easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a locking ring type pumping rod elevator.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the lifting clamp comprises a lifting ring, wherein the lifting ring is U-shaped, a lifting clamp main body is arranged in the lifting ring, pin shafts rotatably connected with the lifting ring are welded on two sides of the lifting clamp main body, discs welded with the lifting ring are arranged on two sides of the lifting clamp main body, the discs are rotatably connected with the pin shafts, a locking ring body is rotatably connected in the lifting clamp main body, and a rotating rod slidably connected with the lifting clamp main body is fixedly connected to one side of the locking ring body.

As a further description of the above technical solution: the elevator is characterized in that one side of the lock ring body, which is far away from the rotating rod, is provided with a lock ring opening, the elevator body is provided with an elevator opening, the elevator opening and the lock ring opening are positioned on the same straight line in the initial state, and the sizes of the elevator opening and the lock ring opening are consistent.

As a further description of the above technical solution: an arc-shaped sliding groove is formed in the locking ring body, a first sliding block is connected in the arc-shaped sliding groove in a sliding mode, the first sliding block is welded with the rotating rod, springs are fixedly connected to two ends of the first sliding block, and the other ends of the springs are fixedly connected with the inner wall of the arc-shaped sliding groove.

As a further description of the above technical solution: the one end both sides that the bull stick stretches out the elevator main part all articulate there is the connecting rod, the one end welding that the bull stick was kept away from to the connecting rod has the short column, and the external screw thread has been seted up to the short column outer lane.

As a further description of the above technical solution: a T-shaped groove is formed in the disc in the circumferential direction, and a second sliding block is connected to the inner wall of the T-shaped groove in a sliding mode.

As a further description of the above technical solution: the ball-shaped groove is formed in the second sliding block, the inner wall of the ball-shaped groove is connected with a ball in a rotating mode, the ball extends out of the ball-shaped groove and is welded with a fixing rod, and an inner thread matched with an outer thread of the short column outer ring is formed in an inner ring of one end, far away from the ball, of the fixing rod.

The utility model discloses following beneficial effect has:

1. the utility model discloses before well using, install the sucker rod in the elevator main part, rotate the bull stick and then drive the catch body and rotate, drive first slider simultaneously and slide, the spring is out of shape, when the catch body rotated required position, rotate the connecting rod on the bull stick, later rotate the dead lever and make the connecting rod twist the dead lever, can accomplish the fixed catch body of fixing to the fixed of bull stick, prevent that the catch body from removing and leading to the catch inefficacy.

2. The utility model discloses in because set up T type groove along its circumferencial direction on the disc, sliding connection second slider in the T type groove sets up spherical groove in the second slider, the ball is connected to the spherical inslot rotation, consequently, when rotating the elevator main part, connecting rod and dead lever drive the second slider and slide, ensure to fix the catch body constantly, prevent that the catch from becoming invalid, the ball can rotate at spherical groove simultaneously, is convenient for screw up the connecting rod.

Drawings

Fig. 1 is a schematic structural view of a locking ring type sucker rod elevator provided by the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a front view of the disc of the ring-locking sucker rod elevator of the present invention.

Illustration of the drawings:

1-lifting ring, 2-pin shaft, 3-elevator main body, 4-locking ring body, 5-rotating rod, 6-first slide block, 7-connecting rod, 8-disc, 9-second slide block, 10-spherical groove, 11-ball and 12-fixing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a lock ring type sucker rod elevator, including the bail 1, the bail 1 shape is the U type, is equipped with elevator main part 3 in the bail 1, and the round pin axle 2 that is connected with the bail 1 rotation is all welded to elevator main part 3 both sides, and elevator main part 3 both sides all are equipped with the disc 8 with bail 1 welding, and disc 8 is connected with round pin axle 2 rotation, and the elevator main part 3 internal rotation is connected with the catch body 4, and catch body 4 one side fixedly connected with the bull stick 5 of elevator main part 3 sliding connection, realize the elevator catch;

referring to fig. 1, in the present application, a side of the locking ring body 4 away from the rotating rod 5 is provided with a locking ring opening, an elevator opening is provided on the elevator body, the elevator opening and the locking ring opening are positioned on the same straight line in an initial state, and the elevator opening and the locking ring opening are consistent in size, so that a sucker rod can be conveniently installed;

referring to fig. 1, in the application, an arc-shaped chute is formed in a lock ring body 4, a first sliding block 6 is connected in the arc-shaped chute in a sliding manner, the first sliding block 6 is welded with a rotating rod 5, two ends of the first sliding block 6 are fixedly connected with springs, and the other ends of the springs are fixedly connected with the inner wall of the arc-shaped chute, so that the lock ring body 4 can be conveniently rotated to lock a sucker rod;

referring to fig. 1-3, in the present application, a connecting rod 7 is hinged to both sides of one end of a rotating rod 5 extending out of an elevator main body 3, a short column is welded to one end of the connecting rod 7 away from the rotating rod 5, an external thread is formed on an outer ring of the short column, a T-shaped groove is formed in a circular disc 8 along the circumferential direction of the circular disc, a second slider 9 is connected to an inner wall of the T-shaped groove in a sliding manner, a spherical groove 10 is formed in the second slider 9, a ball 11 is connected to an inner wall of the spherical groove 10 in a rotating manner, a fixing rod 12 is welded to the ball 11 extending out of the spherical groove 10, an internal thread matched with the external thread of the outer ring of the short column is formed in an inner ring of one end of.

The working principle is as follows:

in the application, before the elevator is used, the sucker rod is installed in the elevator main body 3, the rotating rod 5 is rotated to further drive the lock ring body 4 to rotate, the first sliding block 6 is driven to slide, the spring deforms, when the lock ring body 4 rotates to a required position, the connecting rod 7 on the rotating rod 5 is rotated, then the fixing rod 12 is rotated to enable the connecting rod 7 to be screwed into the fixing rod 12, the lock ring body 4 can be fixed by fixing the rotating rod 5, and the lock ring is prevented from being invalid due to movement of the lock ring body 4;

in this application, because T type groove has been seted up along its circumferencial direction on the disc 8, sliding connection second slider 9 in the T type groove, spherical groove 10 has been seted up in the second slider 9, ball 11 is connected in the rotation of spherical groove 10, consequently, when rotating elevator main part 3, connecting rod 7 and dead lever 12 drive second slider 9 and slide, ensure to fix catch body 4 constantly, prevent that the catch from becoming invalid, ball 11 can rotate at spherical groove 10 simultaneously, be convenient for screw up connecting rod 7.

Finally, it should be noted that: 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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a lock ring formula sucker rod elevator, includes bail (1), its characterized in that: the elevator is characterized in that the lifting ring (1) is U-shaped, an elevator main body (3) is arranged in the lifting ring (1), pin shafts (2) rotatably connected with the lifting ring (1) are welded on two sides of the elevator main body (3), discs (8) welded with the lifting ring (1) are arranged on two sides of the elevator main body (3), the discs (8) are rotatably connected with the pin shafts (2), a locking ring body (4) is rotatably connected in the elevator main body (3), and a rotating rod (5) slidably connected with the elevator main body (3) is fixedly connected to one side of the locking ring body (4).

2. The lock ring type sucker rod elevator of claim 1, which is characterized in that: the elevator locking device is characterized in that a locking ring opening is formed in one side, away from the rotating rod (5), of the locking ring body (4), an elevator opening is formed in the elevator body, the elevator opening and the locking ring opening are located on the same straight line in the initial state, and the sizes of the elevator opening and the locking ring opening are the same.

3. The lock ring type sucker rod elevator of claim 1, which is characterized in that: an arc-shaped sliding groove is formed in the lock ring body (4), a first sliding block (6) is connected in the arc-shaped sliding groove in a sliding mode, the first sliding block (6) is welded with the rotating rod (5), springs are fixedly connected to two ends of the first sliding block (6), and the other ends of the springs are fixedly connected with the inner wall of the arc-shaped sliding groove.

4. The lock ring type sucker rod elevator of claim 1, which is characterized in that: the elevator is characterized in that connecting rods (7) are hinged to two sides of one end, extending out of the elevator main body (3), of the rotating rod (5), short columns are welded to one ends, far away from the rotating rod (5), of the connecting rods (7), and external threads are formed in outer rings of the short columns.

5. The lock ring type sucker rod elevator of claim 1, which is characterized in that: a T-shaped groove is formed in the disc (8) in the circumferential direction, and a second sliding block (9) is connected to the inner wall of the T-shaped groove in a sliding mode.

6. The lock ring type sucker rod elevator of claim 5, wherein: spherical groove (10) have been seted up on second slider (9), spherical groove (10) inner wall rotates and is connected with ball (11), ball (11) stretch out spherical groove (10) and weld and have dead lever (12), the internal thread of seting up with the external screw thread looks adaptation of short column outer lane is kept away from the one end inner circle of ball (11) in dead lever (12).