阅读说明：本技术 翻转伸缩并锁止机构 (Turnover telescopic locking mechanism ) 是由 高伟哲 武洪文 李俊峰 叶晓峰 杨永存 陈天明 于 2021-10-01 设计创作，主要内容包括：本发明公开了翻转伸缩并锁止机构,包括母杆,所述母杆下端面一端设有固定座,固定座内安装有母拖轮,所述母杆上端面一端开设有矩形口,所述母杆内滑动连接有子杆,所述子杆上端面设有子杆V牙锁,所述子杆远离矩形口的一端设有滚轮组件,用于与母拖轮配合使子杆在母杆内进行移动；本发明翻转伸缩并锁止机构可以对导轨装置在工作中进行锁止,翻转伸缩并锁止机构配备的子杆通过钻具重力补偿钢性导轨与游车大钩的垂直方向平行度误差,并且翻转机构中气缸的动力来源是车辆本身配备的气路系统所提供,通过气缸配备的气动阀控制无杆腔锁止和有杆腔解锁与伸缩。(The invention discloses a turnover, telescopic and locking mechanism which comprises a female rod, wherein a fixed seat is arranged at one end of the lower end surface of the female rod, a female tug is installed in the fixed seat, a rectangular opening is formed in one end of the upper end surface of the female rod, a sub rod is connected in the female rod in a sliding manner, a sub rod V-tooth lock is arranged at the upper end surface of the sub rod, and a roller wheel assembly is arranged at one end of the sub rod, which is far away from the rectangular opening, and is used for being matched with the female tug to enable the sub rod to move in the female rod; the turnover, telescopic and locking mechanism can lock a guide rail device in work, a sub-rod of the turnover, telescopic and locking mechanism compensates the parallelism error of the rigid guide rail and a traveling block hook in the vertical direction through the gravity of a drilling tool, the power source of an air cylinder in the turnover mechanism is provided by an air circuit system of a vehicle, and a pneumatic valve of the air cylinder controls the rodless cavity to be locked and the rod cavity to be unlocked and stretched.)

1. Upset is flexible and locking mechanical system, including female pole (1), terminal surface one end is equipped with fixing base (13) under female pole (1), installs female tow boat (4), its characterized in that in fixing base (13): a rectangular opening (8) is formed in one end of the upper end face of the female rod (1), a sub-rod (2) is connected in the female rod (1) in a sliding mode, a sub-rod V-tooth lock (12) is arranged on the upper end face of the sub-rod (2), and a roller assembly is arranged at one end, away from the rectangular opening (8), of the sub-rod (2) and used for being matched with the female tug (4) to enable the sub-rod (2) to move in the female rod (1);

rectangle mouth (8) and two equal fixedly connected with backup pads in limit (16) that female pole (1) side is parallel, rectangle mouth (8) and two equal fixedly connected with limiting plate (14) in limit of female pole (1) side vertically are equipped with the locking subassembly that is used for carrying out the locking to sub-pole (2) in rectangle mouth (8).

2. The mechanism is characterized in that the roller assembly comprises a mounting hole (17), the mounting hole (17) is formed in one end, far away from the rectangular opening (8), of the sub-rod (2), and the sub-tug (3) is rotatably connected in the mounting hole (17).

3. The turnover telescopic and locking mechanism is characterized in that the locking assembly comprises a V-shaped tooth locking block (5), a ball cap bolt (6) is installed at the middle position of the upper end face of the V-shaped tooth locking block (5), a locking block lifting plate (9) is fixedly connected to the positions of one ends of two sides of the upper end face of the V-shaped tooth locking block (5), the V-shaped tooth locking block (5) is slidably connected into a rectangular opening (8) and matched with a sub-rod V-shaped tooth lock (12) to lock a sub-rod (2), and a driving assembly used for driving the ball cap bolt (6) to move up and down is further installed on the female rod (1).

4. The mechanism of claim 3, characterized in that the driving assembly comprises a rotating shaft (15), the rotating shaft (15) is installed between the upper ends of the two supporting plates (16), a cam (7) which is used for being matched with the ball cap bolt (6) to press the V-shaped lock block (5) downwards is rotatably connected to the rotating shaft (15), a pin shaft (18) which is used for being matched with the lock block lifting plate (9) to lift the V-shaped lock block (5) is fixedly connected to the lower end of the cam (7), and a pushing assembly which is used for pushing the cam (7) to rotate is further arranged on the female rod (1).

5. The turnover, stretching and locking mechanism according to claim 4, wherein the pushing assembly comprises a cylinder (10), the cylinder (10) is arranged on the upper end face of the female rod (1) near the rectangular opening (8), the output end of the cylinder (10) is rotatably connected with a lever (11), and one end of the lever (11) far away from the cylinder (10) is fixedly connected with the cam (7).

6. A tilt-telescope and lock mechanism as claimed in claim 5, characterised in that the lever (11) is arc-shaped.

7. A tilt telescopic and lock mechanism according to claim 5, wherein said cylinder (10) is a single-acting cylinder.

8. A tilt telescopic and lock mechanism according to claim 1, characterized in that the surface of the female rod (1) is provided with a rust-proof coating.

9. A tilt-telescope and lock mechanism according to claim 1, characterised in that the end of the secondary bar (2) protruding from the primary bar (1) is provided with a connection hole.

Technical Field

The invention relates to the technical field of workover rigs, in particular to a turnover, telescopic and locking mechanism.

Background

Workover rigs or drift rigs are the most basic and dominant power sources in workover and downhole operations. The device is divided into two forms of crawler type and tire type according to the operation structure. The crawler-type workover rig is not generally provided with a derrick, has good power offside performance and is suitable for construction of low-lying muddy areas. The tire type workover rig is generally provided with a self-carrying derrick, has high traveling speed and high construction efficiency, and meets the requirement of quick removal.

In the well workover process, the conventional top drive device is fixed only by two steel wire ropes, so that the top drive device is seriously shaken in normal work, the torque is unstable, the steel wire ropes are easy to break in windy weather, and the operation is inconvenient.

Disclosure of Invention

The present invention is directed to a tilting, telescoping and locking mechanism to solve the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the overturning, stretching and locking mechanism comprises a female rod, wherein a fixed seat is arranged at one end of the lower end face of the female rod, a female tug is installed in the fixed seat, a rectangular opening is formed in one end of the upper end face of the female rod, a sub-rod is connected in the female rod in a sliding mode, a sub-rod V-tooth lock is arranged on the upper end face of the sub-rod, and a roller wheel assembly is arranged at one end, away from the rectangular opening, of the sub-rod and used for being matched with the female tug to enable the sub-rod to move in the female rod;

the utility model discloses a locking assembly, including female pole side limit, rectangle mouth and the equal fixedly connected with backup pad in two limits that the rectangle mouth is parallel with female pole side, the equal fixedly connected with limiting plate in two limits of rectangle mouth and female pole side vertically, be equipped with in the rectangle mouth and be used for carrying out the locking to son pole locking assembly.

As a further scheme of the invention: the roller assembly comprises a mounting hole, the mounting hole is formed in one end, far away from the rectangular opening, of the sub-rod, and a sub-tug is rotatably connected in the mounting hole.

As a still further scheme of the invention: the locking subassembly includes V tooth locking piece, ball cap bolt is installed to V tooth locking piece up end intermediate position, the equal fixedly connected with locking piece lifting plate in position of V tooth locking piece up end both sides one end, V tooth locking piece sliding connection be used for in the rectangle mouth with sub-pole V tooth lock cooperation to sub-pole locking, still install on the female pole and be used for driving the drive assembly that ball cap bolt reciprocated.

As a still further scheme of the invention: the drive assembly includes the pivot, the pivot is installed between two backup pad upper ends, rotate in the pivot and be connected with and be used for going on the cam that pushes down V tooth locking piece with the cooperation of ball cap bolt, cam lower extreme fixedly connected with is used for carrying out the round pin axle that promotes to V tooth locking piece with locking piece lifting plate cooperation, still be equipped with on the female pole and be used for promoting the cam and carry out pivoted promotion subassembly.

As a still further scheme of the invention: the pushing assembly comprises a cylinder, the cylinder is arranged at a position, close to the rectangular opening, of the upper end face of the female rod, the output end of the cylinder is rotatably connected with a lever, and one end, far away from the cylinder, of the lever is fixedly connected with the cam.

As a still further scheme of the invention: the lever is arc-shaped.

As a still further scheme of the invention: the cylinder adopts a single-acting cylinder.

As a still further scheme of the invention: and an antirust coating is arranged on the surface of the female rod.

As a still further scheme of the invention: and one end of the secondary rod extending out of the primary rod is provided with a connecting hole.

Compared with the prior art, the invention has the beneficial effects that:

the turnover, telescopic and locking mechanism can lock a guide rail assembly of the top drive device, ensures the stability of the top drive device during working, compensates the error of the parallelism of a rigid guide rail and a hook of a traveling block in the vertical direction by a sub-rod of the turnover, telescopic and locking mechanism through the gravity of a drilling tool, provides a power source for a cylinder in the turnover mechanism by a gas circuit system of the vehicle, and controls the locking of a rodless cavity and the unlocking and the stretching of a rod cavity through a pneumatic valve of the cylinder.

The turnover, telescopic and locking mechanism can be suitable for being matched with workover rigs and truck-mounted drilling rigs of different types, different types and different tonnages, and can provide power through a gas circuit system of the workover rig or the truck-mounted drilling rig.

Drawings

Fig. 1 is a schematic structural view of the flip-out, telescoping and locking mechanism.

Fig. 2 is a schematic structural view of a sub-rod in the turnover telescopic locking mechanism.

Fig. 3 is a schematic structural view of a lock block lifting plate in the turnover telescopic and locking mechanism.

Fig. 4 is a schematic structural view of a cam in the flip-over telescopic and locking mechanism.

FIG. 5 is a schematic view of the structure of the female rod of the flip-out, telescoping and locking mechanism.

Fig. 6 is a schematic structural view of a V-tooth lock block in the flip-telescopic and locking mechanism.

Wherein: 1. a female rod; 2. a sub-rod; 3. a sub-tug; 4. a female tug; 5. a V-tooth locking block; 6. a ball cap bolt; 7. a cam; 8. a rectangular opening; 9. a lock block lifting plate; 10. a cylinder; 11. a lever; 12. a sub-rod V-tooth lock; 13. a fixed seat; 14. a limiting plate; 15. a rotating shaft; 16. a support plate; 17. mounting holes; 18. and (7) a pin shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, in an embodiment of the present invention, the turnover, telescopic and locking mechanism includes a main rod 1, a fixing seat 13 is disposed at one end of a lower end surface of the main rod 1, a main towing wheel 4 is installed in the fixing seat 13, a rectangular opening 8 is disposed at one end of an upper end surface of the main rod 1, a sub rod 2 is slidably connected to the main rod 1, a sub rod V-tooth lock 12 is disposed at an upper end surface of the sub rod 2, and a roller assembly is disposed at one end of the sub rod 2 away from the rectangular opening 8 and used for cooperating with the main towing wheel 4 to move the sub rod 2 in the main rod 1; the surface of the female rod 1 is provided with an antirust coating; and a connecting hole is formed in one end of the sub rod 2 extending out of the main rod 1.

The sub-rod 2 equipped with the turnover telescopic locking mechanism compensates the error of the parallelism of the rigid guide rail and the hook of the traveling block in the vertical direction through the gravity of a drilling tool, the power source of the cylinder 10 in the turnover mechanism is provided by the gas circuit system equipped with the vehicle, and the pneumatic valve equipped with the cylinder 10 controls the locking of the rodless cavity and the unlocking and the stretching of the rod cavity.

The roller component comprises a mounting hole 17, the mounting hole 17 is formed in one end, far away from the rectangular opening 8, of the sub-rod 2, and the sub-tug 3 is connected in the mounting hole 17 in a rotating mode.

The female tug 4 arranged at the lower end of the female rod 1 can be matched with the sub tug 3 arranged on the sub rod 2, so that the sub rod 2 can better slide in the female rod 1.

Two sides of the rectangular opening 8 parallel to the side edge of the female rod 1 are fixedly connected with supporting plates 16, two sides of the rectangular opening 8 perpendicular to the side edge of the female rod 1 are fixedly connected with limiting plates 14, and a locking assembly for locking the sub-rod 2 is arranged in the rectangular opening 8; through the backup pad 16 and the limiting plate 14 that set up, can carry out effective spacing to V tooth locking piece 5, avoid V tooth locking piece 5 to break away from rectangle mouth 8 in work.

The locking subassembly includes V tooth locking piece 5, ball cap bolt 6 is installed to 5 up end intermediate positions of V tooth locking piece, the equal fixedly connected with locking piece lifting plate 9 in position of 5 up end both sides one end of V tooth locking piece, 5 sliding connection of V tooth locking piece are used for carrying out the locking with sub-pole V tooth 12 cooperation to sub-pole 2 in rectangle mouth 8, still install on female pole 1 and be used for driving ball cap bolt 6 and carry out the drive assembly who reciprocates.

The driving assembly comprises a rotating shaft 15, the rotating shaft 15 is installed between the upper ends of two supporting plates 16, a cam 7 used for being matched with a ball cap bolt 6 to press down a V-shaped locking block 5 is rotatably connected onto the rotating shaft 15, a pin shaft 18 used for being matched with a locking block lifting plate 9 to lift the V-shaped locking block 5 is fixedly connected to the lower end of the cam 7, and a pushing assembly used for pushing the cam 7 to rotate is further arranged on the female rod 1;

the radian of cam 7 adopts archimedes's line in this scheme, comes to exert pressure to ball cap bolt 6 through the motion of cam 7, and then makes V tooth locking piece 5 and sub-pole V tooth lock 12 cooperation realize the locking, promotes locking piece lifting plate 9 through round pin axle 18 on the cam 7, and then realizes the separation of V tooth locking piece 5 and sub-pole V tooth lock 12, removes the locking to sub-pole 2.

The pushing assembly comprises an air cylinder 10, the air cylinder 10 is arranged at the position, close to the rectangular opening 8, of the upper end face of the female rod 1, the output end of the air cylinder 10 is rotatably connected with a lever 11, and one end, far away from the air cylinder 10, of the lever 11 is fixedly connected with the cam 7; the lever 11 is arc-shaped; the cylinder 10 adopts the single-acting cylinder, when locking the sub-rod 2, the cylinder 10 discharges gas in a rodless cavity, a compression spring in a rod cavity pushes a piston rod to act, meanwhile, the output end of the cylinder 10 contracts to pull a lever 11 to move, the lever drives a cam 7 to rotate, an Archimedes wire on the cam 7 applies the movement force to a ball cap bolt 6 and a V tooth lock block 5, so that the V tooth lock block 5 moves downwards, and the V tooth lock block 5 applies the force to a sub-rod V tooth lock 12, thereby achieving the purpose of locking.

The working principle of the invention is as follows: when the working of the top drive device is finished, the gas in the rodless cavity of the cylinder 10 is injected, the output end of the cylinder 10 is ejected out, the lever 11 and the cam 7 are pushed, the cam 7 rotates, the Archimedes wire on the rotating shaft 15 rotates, the distance from the Archimedes wire on the cam 7 to the center of the cam 7 is reduced, and a pin shaft 18 matched with the cam 7 is connected with a lock block lifting plate 9, the locking block lifting plate 9 is lifted to drive the V-tooth locking block 5 to be separated from the sub-rod V-tooth lock 12, so that the unlocking purpose is achieved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and that the present invention may be practiced in other specific forms, and that the present specification together with its components set forth in the various embodiments may be suitably combined to form other embodiments, which will be apparent to those skilled in the art.