CN217872689U

CN217872689U - Traveling block hook for lifting and lowering oil pipe

Info

Publication number: CN217872689U
Application number: CN202222328504.9U
Authority: CN
Inventors: 金飞声; 衣龙刚; 陆祥
Original assignee: Gaoyou Haoxiang Petroleum Machinery Co ltd
Current assignee: Gaoyou Haoxiang Petroleum Machinery Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-22
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a trip car hook for having fallen oil pipe, the trip car part is including trip car guard shield and the assembly pulley of setting in its inside. The pulley block comprises a plurality of pulleys which are coaxially arranged on a pulley shaft and used for driving the traveling block hook to move up and down in a reciprocating manner. The upper end of the cylinder body is connected with the traveling block protective cover, a hook rod penetrates through the interior of the cylinder body and is rotatably connected with the cylinder body, the lower end of the hook rod is connected with a hook body, and the hook body can rotate around the axis of the cylinder body as a rotating shaft. The hook body is of a double-hook structure, and a through hole for hanging the hanging ring is formed in the lower end of the hook body. Compare in three hook type coupler bodies, the utility model discloses a double hook knot constitutes originally low, simple structure, and the appearance is pleasing to the eye, and convenient operation compares with conventional three configuration trip hook, and double hook type trip hook has shortened length, has alleviateed weight, is applicable to the oil pipe operation of having got up down.

Description

Traveling block hook for lifting and lowering oil pipe

Technical Field

The utility model belongs to the technical field of the oil-well rig, concretely relates to trip car hook for having descended oil pipe.

Background

The traveling block and the hook are important hoisting equipment for tripping drill rods, oil pipes, sucker rods and various drilling tools in drilling, production and workover operations, and have the main functions of: when drilling, the water tap and drilling tool are hung, and when the drilling tool is lifted, the hanging ring and elevator are hung to lift the drilling tool, so that other drilling operations and auxiliary operations are completed.

At present, a conventional three-hook type traveling block hook is generally used in well repair and oil pipe tripping in an oil field, the three-hook type traveling block hook is designed and used for hanging a water tap and other equipment in well drilling, and a hook body is provided with a connecting position of the water tap and a hanging ring, so that the traveling block hook is long in integral length, large in size and complex in structure in order to bear the load of a drilling tool.

The three-hook type traveling block hook is used for lifting and dropping the oil pipe, so that the use is heavy, the material and the cost are wasted, and the light traveling block hook is needed and is suitable for lifting and dropping the oil pipe.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a trip block hook for tripping oil pipe. The to-be-solved technical problem of the utility model is realized through following technical scheme:

the utility model provides a trip block hook for playing oil pipe down, include trip block part, barrel and coupler body.

The traveling block part comprises a traveling block shield and a pulley block arranged in the traveling block shield. The pulley block comprises a plurality of pulleys, and the plurality of pulleys are coaxially arranged on a pulley shaft and used for driving the traveling block hook to move up and down in a reciprocating manner.

The upper end of the cylinder is connected with the traveling block protective cover, a hook rod penetrates through the traveling block protective cover and is rotatably connected with the cylinder, the lower end of the hook rod is connected with the hook body, and the hook body can rotate around the axis of the cylinder as a rotating shaft.

The hook body is of a double-hook structure, and a through hole for hanging the hanging ring is formed in the lower end of the hook body.

In an embodiment of the present invention, the plurality of bearings in the pulley block are tapered thrust roller bearings, each of which is provided with a separate lubrication channel.

In an embodiment of the present invention, the hook rod includes a first connection portion, a second connection portion, and a third connection portion connected in sequence.

The upper end of the first connecting part is provided with a round head, and the round head is rotatably connected with the barrel.

The second connecting part is a disc-shaped boss, the disc-shaped boss is placed on the step on the inner side of the cylinder body, and the lower end of the third connecting part is provided with a pin hole.

The utility model discloses an embodiment, the barrel still includes, coaxial two sets of buffer spring who sets up, is used for the buffer when the carriage hook lifts by crane and unloads and lifts by crane the thing.

The first group of buffer springs are sleeved on the periphery of the first connecting portion of the hook rod, and the second group of buffer springs are sleeved on the periphery of the first group of buffer springs.

In an embodiment of the present invention, the traveling block hook for pulling up and dropping off the oil pipe further includes a positioning lock.

The positioning lock is perpendicular to the axis of the cylinder body, is arranged on the side wall of the cylinder body and is used for locking the rotation angle of the hook body.

In an embodiment of the present invention, a pin hole is disposed in the middle of the hook body, and the pin hole and the through hole are in the same direction.

In an embodiment of the present invention, the hook body is provided at an upper end thereof with a connection hole for connecting the hook rod, the connection hole is mutually penetrated through the pin hole of the hook body, and the connection hole is mutually perpendicular to the pin hole axis of the hook body.

In an embodiment of the present invention, the traveling block hook for pulling up and dropping off the oil pipe further includes a hook rod pin. The hook rod pin sequentially penetrates through the hook body and the pin hole of the hook rod.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a trip block hook for playing oil pipe down includes parts such as trip block guard shield, hooked pole, barrel and coupler body, and the one end of hooked pole is worn to establish in the barrel, and rotates with a hook section of thick bamboo and be connected, the other end and the coupler body fixed connection of hooked pole to make the hooked pole drive the coupler body and rotate, the spring mounting plays the cushioning effect in the barrel. Compared with a conventional three-configuration traveling block hook, the double-hook traveling block hook has the advantages that the length is shortened, the weight is reduced, and the double-hook traveling block hook is suitable for lifting and lowering oil pipes.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a traveling block hook for pulling and running an oil pipe according to an embodiment of the present invention.

An icon: 1-a travelling block shield; 2-a pulley block; 3, pulley shafts; 4-a buffer spring; 5-a cylinder body; 6-positioning the lock; 7-a hook rod; 8-a hook bar pin; 9-hook body.

Detailed Description

In order to further explain the technical means and effects of the present invention adopted to achieve the purpose of the present invention, the following figures and detailed embodiments are combined to describe in detail the hook of the traveling block for pulling down the oil pipe according to the present invention.

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. The technical means and effects of the present invention to achieve the predetermined objects can be more deeply and specifically understood through the description of the specific embodiments, however, the attached drawings are only for reference and description and are not intended to limit the technical solution of the present invention.

Example one

Referring to fig. 1, fig. 1 is a schematic structural view of a traveling block hook for lifting and lowering an oil pipe according to an embodiment of the present invention.

As shown in the figure, the traveling block hook for lifting and lowering oil pipes of the embodiment comprises a traveling block part, a cylinder body 5 and a hook body 9.

The traveling block part comprises a traveling block shield 1 and a pulley block 2 arranged in the traveling block shield. The pulley block 2 comprises a plurality of pulleys which are coaxially arranged on a pulley shaft 3 and used for driving the traveling block hook to move up and down in a reciprocating manner.

In a specific embodiment, the plurality of bearings in the pulley block 2 are tapered thrust roller bearings, each bearing being provided with a separate lubrication channel.

Preferably, the sheave rope grooves are hardened.

In the embodiment, the upper end of the cylinder 5 is connected with the traveling block cover 1, a hook rod 7 penetrates through the interior of the cylinder 5, the hook rod 7 is rotatably connected with the cylinder 5, the lower end of the hook rod 7 is connected with a hook body 9, and the hook body 9 can rotate around the axis of the cylinder 5 as a rotating shaft.

In the embodiment, the hook body 9 is a double hook structure, and the lower end thereof is provided with a through hole for hanging the hanging ring.

In the specific embodiment, the hook body 9 is used for hanging a lifting ring hoisting elevator by double hooks, and the through hole at the lower end of the hook body 9 is used for hanging a lifting ring for hoisting an oil pipe.

In a particular embodiment, the hooking rod 7 comprises a first connection portion, a second connection portion and a third connection portion connected in sequence.

Wherein, first connecting portion upper end is provided with the button head, and the button head rotates with barrel 5 to be connected.

In a specific embodiment, the second connecting part is a disc-shaped boss, and the disc-shaped boss is placed on the step on the inner side of the barrel 5; the lower end of the third connecting part is provided with a pin hole.

In the specific embodiment, the middle of the hook body 9 is provided with a pin hole, and the pin hole and the through hole are in the same direction.

In the specific embodiment, the upper end of the hook body 9 is provided with a connecting hole for connecting the hook rod 7, the connecting hole and the pin hole of the hook body 9 penetrate through each other, and the connecting hole and the pin hole axis of the hook body 9 are perpendicular to each other.

In the specific embodiment, the traveling block hook for lifting and lowering the oil pipe further comprises a hook rod pin 8, and the hook rod pin 8 sequentially penetrates through a pin hole of the hook body 9 and a pin hole of the hook rod 7.

In the specific embodiment, the cylinder 5 further comprises two groups of buffer springs 4 which are coaxially arranged and used for buffering when the hook of the traveling block lifts and unloads a lifted object.

Wherein, the first group of buffer springs is sleeved on the periphery of the first connecting part of the hook rod 7, and the second group of buffer springs is sleeved on the periphery of the first group of buffer springs.

In the specific embodiment, the two groups of buffer springs 4 are arranged in the cylinder body 5, so that impact and vibration can be conveniently relieved, the connection structure subjected to shearing force is protected during hoisting and releasing, and the damage to each component of the hook of the traveling block caused by impact among the components under the condition of larger stress is prevented.

Specifically, the spring stroke of the buffer spring 4 satisfies the stroke requirement of the operational buffer.

In a specific embodiment, the traveling block hook for pulling and running the oil pipe further comprises a positioning lock 6.

Wherein, the positioning lock 6 is arranged on the side wall of the barrel 5 perpendicular to the axis thereof and is used for locking the rotation angle of the hook body 9.

Specifically, the swivel angle of the hook 9 is locked at eight fixed angular positions by the positioning lock 6.

In a specific embodiment, the pulley block 2 realizes the up-and-down reciprocating movement of the hook block of the traveling block, the hook rod 7 is fixedly connected with the hook body 9, and the hook body 9 is driven to rotate along with the rotation of the hook rod 7 in the cylinder body 5; the buffer spring 4 realizes the small-stroke movement of the hook rod 7 in the cylinder 5 and buffers the whole hook of the traveling block; the cylinder 5 is provided with positioning holes in eight directions of the circumference of the side wall, and the hook body 9 is locked and fixed in any direction through the positioning lock 6.

The utility model discloses a trip car hook for having oil pipe down includes parts such as trip car guard shield, hooked pole, barrel and coupler body, and the one end of hooked pole is worn to establish in the barrel, and rotates with a hook section of thick bamboo to be connected, the other end and the coupler body fixed connection of hooked pole to make the hooked pole drive the coupler body and rotate, spring mounting plays the cushioning effect in the barrel. Compared with a conventional three-configuration traveling block hook, the double-hook traveling block hook has the advantages that the length is shortened, the weight is reduced, and the double-hook traveling block hook is suitable for lifting and lowering oil pipes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed. Without further limitation, an element defined by the phrases "comprising one of \8230;" does not exclude the presence of additional like elements in an article or device comprising the element. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The directions or positional relationships indicated by "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A traveling block hook for lifting and lowering an oil pipe is characterized by comprising a traveling block part, a cylinder body (5) and a hook body (9);

the travelling block part comprises a travelling block shield (1) and a pulley block (2) arranged in the travelling block shield; the pulley block (2) comprises a plurality of pulleys which are coaxially arranged on a pulley shaft (3) and used for driving the traveling block hook to move up and down in a reciprocating manner;

the upper end of the cylinder body (5) is connected with the traveling block protective cover (1), a hook rod (7) penetrates through the interior of the cylinder body (5), the hook rod (7) is rotatably connected with the cylinder body (5), the lower end of the hook rod (7) is connected with the hook body (9), and the hook body (9) can rotate around the axis of the cylinder body (5) serving as a rotating shaft;

the hook body (9) is of a double-hook structure, and a through hole for hanging the hanging ring is formed in the lower end of the hook body.

2. The traveling block hook for pulling and lowering oil pipe according to claim 1, characterized in that a plurality of bearings in the pulley block (2) are tapered thrust roller bearings, each of which is provided with a separate lubrication channel.

3. The travelling block hook for tripping oil pipe according to claim 1, characterized in that said hook rod (7) comprises a first connection part, a second connection part and a third connection part connected in sequence;

the upper end of the first connecting part is provided with a round head, and the round head is rotationally connected with the barrel body (5);

the second connecting part is a disc-shaped boss, and the disc-shaped boss is placed on the step on the inner side of the cylinder body (5);

the lower end of the third connecting part is provided with a pin hole.

4. The traveling block hook for lifting and unloading an oil pipe according to claim 1, wherein the cylinder (5) further comprises two sets of buffer springs (4) coaxially arranged for buffering when the traveling block hook lifts and unloads a hoisted object;

the first group of buffer springs are sleeved on the periphery of the first connecting portion of the hook rod (7), and the second group of buffer springs are sleeved on the periphery of the first group of buffer springs.

5. The traveling block hook for pulling up and down an oil pipe according to claim 1, further comprising a positioning lock (6);

the positioning lock (6) is perpendicular to the axis of the barrel (5) and arranged on the side wall of the barrel, and is used for locking the rotation angle of the hook body (9).

6. The traveling block hook for tripping oil pipe according to claim 3, characterized in that the middle of the hook body (9) is provided with a pin hole, and the pin hole is in the same direction as the through hole.

7. The traveling block hook for pulling up and dropping off an oil pipe according to claim 6, characterized in that the upper end of the hook body (9) is provided with a connecting hole for connecting the hook rod (7), the connecting hole is mutually penetrated through a pin hole of the hook body (9), and the connecting hole is mutually perpendicular to the pin hole axis of the hook body (9).

8. The travelling block hook for tripping oil pipe according to claim 7, characterized in that it further comprises a hook bar pin (8);

the hook rod pin (8) sequentially penetrates through the hook body (9) and the pin hole of the hook rod (7).