CN209954557U - Pipe tongs for oil field - Google Patents

Abstract

The utility model relates to a pipe wrench for oil field, which comprises a wrench body, a wrench handle, an end head and a movable wrench head, the forceps body and the end head are integrally formed, a cavity is arranged in the forceps body and the end head, a telescopic rod is inserted in the cavity, two gears are arranged in the end head through a rotating shaft, two long racks are arranged at one end of the telescopic rod and are respectively meshed with the two gears, the movable binding clip is welded on the gear, the inner side of the movable binding clip is provided with an adjustable tooth mouth, the long bolt is arranged on the movable tong head, the utility model is convenient to rotate through the tong handle, the movable binding clip is driven by the telescopic rod to clamp rapidly, the operation mode is simpler and labor-saving, the tooth mouth can be adjusted, can be adjusted according to the diameter of the oil pipe, so that the tooth mouth and the oil pipe are kept to have a larger contact surface, and the phenomenon of slipping during rotation is reduced.

Description

Pipe tongs for oil field

Technical Field

The utility model relates to a petrochemical technical field, concretely relates to breakout tongs is used in oil field.

Background

The petrochemical pipe wrench generally comprises a wrench handle body, a wrench sleeve and a fixed jaw with teeth, wherein the movable wrench body is sleeved in the wrench sleeve, the head of the movable wrench body is provided with a movable jaw matched with the fixed jaw with the teeth, then the tail of the movable wrench body is provided with self-locking threads, the handle body of the existing pipe wrench is mostly of an integrated structure, the angle of the movable wrench jaw and the angle of the fixed jaw can not be changed as required, and the pipe wrench is very laborious in installation of pipe joints at different positions.

For example, patent application number CN201720362734.3 a multi-functional breakout tongs for oil field well site operation, including handle, adjustable jaw and adjusting nut, the one end of handle is provided with fixed jaw, and the adjustable jaw cartridge is fixed at fixed jaw place one end and through adjusting nut, fixed jaw department be connected with a safety rope, the one end fixed connection of safety rope is in fixed jaw department, the other end is hung on adjustable jaw, fixed jaw's side be provided with locking bolt, can fix adjustable jaw on fixed jaw through screwing up locking bolt, the end of handle be provided with and be used for skid-proof sawtooth structure. And an auxiliary handle is arranged on the side surface of the fixed jaw and hinged on the fixed jaw.

The contact surface between breakout tongs and the pipeline is too few, takes place to skid easily, appears threatening the accident of personal safety even, is not convenient for carry out quick adjustment according to different pipe diameters. Based on this, the utility model designs an oil field is with breakout tongs to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model has the main purpose of overcoming at least one defect in the prior art and providing a pipe wrench for oil field to solve the problem that the angle between the pipe wrench and the fixed jaw can not be changed according to the requirement, which causes great effort in installing pipe joints at different positions; the contact surface between breakout tongs and the pipeline is too few, takes place to skid easily, appears threatening the accident of personal safety even, is not convenient for carry out quick adjustment's problem according to different pipe diameters.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

according to the utility model discloses an aspect provides an oil field is with breakout tongs, including pincers body, pincers handle, end and activity binding clip, pincers body and end integrated into one piece, be equipped with the cavity in pincers body and the end, the telescopic link has been pegged graft in the cavity, install two gears through the pivot in the end, two long racks are installed to the one end of telescopic link, two long racks mesh with two gears respectively, the welding of activity binding clip is on the gear, adjustable tooth mouth is installed to the inboard of activity binding clip, install the stay bolt on the activity binding clip, the end and the tooth mouth swing joint of stay bolt, the other end of telescopic link is provided with the screw thread, install the thread bush in the pincers handle, the telescopic link is pegged graft and is carried out the spiro union transmission in the thread bush.

Preferably, the tail end of the clamp body is provided with a clamping end, and the clamping end is clamped at the end part of the inner cavity of the clamp handle.

Preferably, the tooth mouth is welded with a guide pillar, the inner side wall of the movable tong head is provided with a blind hole, and the guide pillar is inserted in the blind hole.

Preferably, the outer side wall of the movable tong head is provided with a slotted hole, and the end of the long bolt is inserted in the slotted hole.

Preferably, the clamp handle is sleeved with an anti-slip sleeve.

Preferably, four groups of tooth mouths are symmetrically arranged on the inner side of the movable forceps head.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be convenient for rotate through the pincers handle, drive movable binding clip through the telescopic link fast and carry out the centre gripping, the operation mode is simple laborsaving more, and the tooth mouth can be adjusted, can adjust according to oil pipe's diameter size, keeps tooth mouth and oil pipe to have great contact surface, reduces the phenomenon that takes place to skid when rotatory.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of an internal structure of a pipe wrench for an oil field according to the present invention;

fig. 2 is a schematic structural view of the front view of the present invention;

fig. 3 is an enlarged schematic view of part a of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-clamp body, 2-movable clamp head, 3-antiskid sleeve, 4-clamp handle, 5-end, 6-gear, 7-cavity, 8-telescopic rod, 9-long rack, 10-thread, 11-thread sleeve, 12-tooth mouth, 13-long bolt, 14-guide post, 15-blind hole and 16-slotted hole.

Detailed Description

In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific situation.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a breakout tongs for oil field, including pincers body 1, pincers 4, end 5 and activity binding clip 2, pincers body 1 and 5 integrated into one piece in the end, be equipped with cavity 7 in pincers body 1 and the end 5, the grafting has telescopic link 8 in cavity 7, install two gears 6 through the pivot in the end 5, two long rack 9 are installed to the one end of telescopic link 8, two long rack 9 mesh with two gears 6 respectively, activity binding clip 2 welds on gear 6, adjustable tooth mouth 12 is installed to activity binding clip 2's inboard, install stay bolt 13 on the activity binding clip 2, stay bolt 13's end and tooth mouth 12 swing joint, the other end of telescopic link 8 is provided with screw thread 10, install thread bush 11 in pincers 4, 8 pegs graft and carry out the spiro union transmission in thread bush 11 of telescopic link.

Wherein, the tail end of the clamp body 1 is provided with a clamping end which is clamped at the end part of the inner cavity of the clamp handle 4; a guide post 14 is welded on the tooth mouth 12, a blind hole 15 is formed in the inner side wall of the movable tong head 2, and the guide post 14 is inserted in the blind hole 15; the outer side wall of the movable tong head 2 is provided with a slotted hole 16, and the end of the long bolt 13 is inserted in the slotted hole 16; the anti-slip sleeve 3 is sleeved on the forceps handle 4, so that the friction force is increased, and the slipping is avoided; four groups of tooth openings 12 are symmetrically arranged on the inner side of the movable binding clip 2 to increase the stress surface.

One specific application of this embodiment is: the distance between the tooth mouth 12 and the movable tong head 2 is adjusted according to the diameter of an oil pipe, the rotary long bolt 13 is adjusted in advance through a screwdriver and other tools, so that the long bolt 13 rotates on the movable tong head 2, the tooth mouth 12 is pushed to move back and forth in the rotating process of the long bolt 13, and the guide pillar 14 on the tooth mouth 12 is inserted into the blind hole 15 on the inner side of the movable tong head 2, so that the tooth mouth 12 moves more stably; the pliers handle 4 is rotated, so that the thread sleeve 11 and the thread 10 are in thread transmission, under the rotation limiting effect of the long rack 9, the telescopic rod 8 slides to one side, the long rack 9 moves, the gear 6 correspondingly engages and rotates, and the movable pliers head 2 is clamped.

It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth herein. The present invention is capable of other embodiments and of being practiced and carried out in a variety of ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined herein extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. The embodiments described herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.

Claims (6)

1. The utility model provides a breakout tongs for oil field, includes pincers body, pincers handle, end and activity binding clip, its characterized in that, pincers body and end integrated into one piece, be equipped with the cavity in pincers body and the end, the telescopic link has been pegged graft in the cavity, install two gears through the pivot in the end, two long racks are installed to the one end of telescopic link, two long racks mesh with two gears respectively, activity binding clip welds on the gear, adjustable tooth mouth is installed to the inboard of activity binding clip, install the stay bolt on the activity binding clip, the end and the tooth mouth swing joint of stay bolt, the other end of telescopic link is provided with the screw thread, install the thread bush in the pincers handle, the telescopic link is pegged graft and is carried out the spiro union transmission in the thread bush.

2. The oilfield pipe wrench as claimed in claim 1, wherein the end of the wrench body is provided with a clamping end, and the clamping end is clamped at the end of the inner cavity of the wrench handle.

3. The oilfield pipe wrench as claimed in claim 1, wherein the jaw is welded with a guide post, the inner side wall of the movable wrench head is provided with a blind hole, and the guide post is inserted into the blind hole.

4. The oilfield pipe wrench as defined in claim 1, wherein the outer side wall of the movable wrench head is provided with a slot, and the end of the long bolt is inserted into the slot.

5. The oilfield tong of claim 1, wherein the tong handle is sleeved with an anti-slip sleeve.

6. The oilfield breakout tongs of claim 1, wherein four sets of teeth are symmetrically disposed on the inside of the movable tong head.

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