CN205876220U - It embraces and to hold up hand of rightting of elevator function to possess push -and -pull - Google Patents

Abstract

The utility model provides an it embraces and to hold up hand of rightting of elevator function to possess push -and -pull for the complicated wayward problem of the elevator motion condition among the solution prior art. This it embraces and to hold up hand of rightting of elevator function to possess push -and -pull includes vertical fixed plate, the number of vertical fixed plate is two and symmetrical the setting in the rear of rightting hand claw, horizontal push rod, horizontal push rod perpendicular to the reciprocal linear motion of fore -and -aft direction can be followed to vertical fixed plate, the backswing arm, the number of backswing arm is two and symmetry and sets up on rightting the installation flat board that hand claw located, the backswing arm can along with the installation is dull and stereotyped at the horizontal plane internal rotation for embrace the elevator. Should right the function that the hand not only possesses the elevator of extrapolating, possess the elevator that goes the release redraw function of returning again moreover, have fine practicality.

Description

Possess push-and-pull and embrace the aligning holding up elevator function

Technical field

This utility model relates to oil equipment technical field, particularly relates to a kind of simple in construction, easy to use possessing pushes away Draw and embrace the aligning holding up elevator function.

Background technology

In petroleum well workover automated system, well head does not has operative employee, the switch start-stop action or residing of all workover tools Position is all completed by instrument oneself or completes by other aids.In trip-out operation, by outside descending elevator Pendulum removes neck to walk around string collar, or the elevator swung everywhere due to wind-force time descending, suspension ring is embraced and make it stable all Automatically helped down by miscellaneous equipment to complete.

In the trip-out work of workover treatment, first coaster plays suspension ring and elevator moves vertically, from top to bottom when elevator connects During string collar on nearly well head elevator have to horizontal hunting, (diameter of box cupling is more than tubular column main body to walk around box cupling with this 15mm～20mm), then tubing string time descending, just can be made to complete within entering elevator to capture.Certainly, box cupling walked around by elevator, is capturing pipe Elevator self gravitation backswing again (recovering original straight path) have to be relied on, if when the tubing string going out well is not clean just during post Be not easy to smoothly enter elevator, it addition, when run into blow weather time from sky freedom of the air glide elevator when close to well head Can swing everywhere, the center making elevator is too big with the position deviation of wellhead column, and being accomplished by one in this case can extrapolate Elevator, the equipment that the elevator pushed out can be pulled back again again.

Utility model content

The utility model proposes and a kind of possess push-and-pull and embrace the aligning holding up elevator function, solve elevator fortune in prior art The emotionally complicated uppity problem of condition.

The technical solution of the utility model is achieved in that possessing push-and-pull embraces the aligning holding up elevator function, including:

Vertically fixed plate, the number of described vertical fixed plate is two and is symmetricly set in the rear of aligning paw；

Horizontal push, described horizontal push is perpendicular to described vertical fixed plate can linear reciprocating motion along the longitudinal direction；

Backswing arm, the number of described backswing arm is two and is symmetrically arranged on the installation flat board residing for aligning paw On, described backswing arm can carry out open and close movement along with described installation flat board in horizontal plane, is used for embracing or decontroling suspension ring.

As the improvement to technique scheme, the end of two described backswing arms is all cased with roller, described roller External screw thread is had on outer surface.

As the further improvement to technique scheme, also include cylinder, described cylinder and described vertical fixed plate one One is corresponding, and the piston of described cylinder passes described vertical fixed plate；

Described horizontal push is fixed on the pistons end of two cylinders and is promoted by described cylinder.

As one preferred embodiment, described backswing arm is L-shaped.

After have employed technique scheme, the beneficial effects of the utility model are: when aloft swinging during elevator is descending, Horizontal push is released along anterior-posterior horizontal direction so that it is lean against and rub therewith on above elevator two suspension ring and tend to stopping and reaching To stable state；When elevator by horizontal push stably after, aligning paw is in open mode, when horizontal push reclaim After, suspension ring enter backswing arm with elevator backswing, now close aligning paw, backswing arm consequently also close up embrace hanging On ring.Therefore, occur left and right significantly to wave during horizontal push is trip-out when suspension ring and elevator run into strong wind or other factors Time play a role, the aperture of backswing arm cannot use in the case of capturing much smaller than the range of activity of suspension ring, if wind Power is less, do not have to hang trip-out under the operating mode touched, and the track of elevator is stable, and now backswing arm just can complete push-and-pull suspension ring Action, horizontal push just can be at armed state of having a rest, and this aligning not only possesses the function of extrapolation elevator, and possesses and will push away The function that the elevator gone out pulls back the most again.

By at the sheathed roller in the end of backswing arm, on the outer surface of roller, offer external screw thread simultaneously and enable to There is bigger frictional force when embracing suspension ring and between suspension ring, thus help roller and suspension ring not to slide and synchronous hunting, suspension ring Can protract under two, left and right roller drives the most recoverable, and can move up and down along with the rotation of roller, complete with this The detouring of elevator, return.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only It is embodiments more of the present utility model, for those of ordinary skill in the art, before not paying creative work Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of a kind of embodiment of this utility model；

In figure: the vertical fixed plate of 1-；2-aligning paw；3-horizontal push；4-backswing arm；5-installs flat board；6-rolls Wheel；7-cylinder.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The every other embodiment obtained, broadly falls into the scope of this utility model protection.

Embodiment:

As it is shown in figure 1, possess push-and-pull for this utility model to embrace a kind of embodiment of the aligning holding up elevator function, this enforcement Example includes two vertical fixed plates 1, and the vertical fixed plate of the two 1 is symmetricly set in the rear of aligning paw 2, aligning paw 2 are arranged on installation flat board 5, and during work, aligning paw 2 can carry out closing up or breakdown action along with installing flat board 5, and these are Common knowledge in the art, does not repeats them here.

Two cylinders 7, the two cylinder 7 and vertical fixed plate 1 one_to_one corresponding it is provided with, often at the rear of vertical fixed plate 1 The piston of individual cylinder 7 both passes through the vertical fixed plate 1 of correspondence, is additionally provided with a horizontal push 3 in the front of vertical fixed plate 1, This horizontal push 3 is perpendicular to vertical fixed plate 1, and horizontal push 3 is directly anchored on the pistons end of two cylinders 7 and by Cylinder 7 drives linear reciprocating motion along the longitudinal direction.

Being separately installed with backswing arm 4 on the installation flat board 5 residing for aligning paw 2, the two backswing arm 4 is in L Type is also symmetrical arranged, and each backswing arm 4 all can carry out open and close movement along with corresponding installation flat board 5 in horizontal plane, uses In embracing or decontroling suspension ring.

All it is arranged with roller 6 in the end of each backswing arm 4, and has external screw thread on the outer surface of roller 6.

When aloft swinging during elevator is descending, cylinder 7 is utilized horizontal push 3 to be released along the longitudinal direction so that it is to lean against Rub therewith on two suspension ring above elevator and tend to stopping reaching stable state；When elevator is stablized it by horizontal push 3 After, aligning paw 2 is in open mode, and after horizontal push 3 reclaims, suspension ring enter backswing arm 4 with elevator backswing, Now closing aligning paw 2, backswing arm 4 consequently also closes up to be embraced on suspension ring, now, outside roller 6 outer surface is offered Screw thread enables to there is bigger frictional force when embracing suspension ring and between suspension ring, thus helps roller 6 not slide with suspension ring And synchronous hunting, suspension ring can protract the most recoverable under two, left and right roller 6 drives, and can be along with the rotation of roller 6 Move up and down, complete the detouring of elevator, return with this.Therefore, horizontal push 3 be pull out of hole in when suspension ring and elevator run into strong wind or Other factors and occur left and right to play a role when significantly waving, the aperture of backswing arm 4 much smaller than suspension ring range of activity and Cannot use in the case of capturing, if wind-force is less, do not have to hang trip-out under the operating mode touched, the track of elevator is stable, Now backswing arm 4 just can complete the action of push-and-pull suspension ring, and horizontal push 3 just can be at armed state of having a rest, and this aligning is not Only possess the function of extrapolation elevator, and possess the function pulled back the most again by the elevator pushed out, there is good practicality Property.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model Protection domain within.

Claims (4)

1. possess push-and-pull and embrace the aligning holding up elevator function, it is characterised in that including:

Vertically fixed plate, the number of described vertical fixed plate is two and is symmetricly set in the rear of aligning paw；

Horizontal push, described horizontal push is perpendicular to described vertical fixed plate can linear reciprocating motion along the longitudinal direction；

Backswing arm, the number of described backswing arm is two and is symmetrically arranged on the installation flat board residing for aligning paw, Described backswing arm can carry out open and close movement along with described installation flat board in horizontal plane, is used for embracing or decontroling suspension ring.

Possess push-and-pull the most as claimed in claim 1 and embrace the aligning holding up elevator function, it is characterised in that: two described backswing handss The end of arm is all cased with roller, and the outer surface of described roller has external screw thread.

Possess push-and-pull the most as claimed in claim 2 and embrace the aligning holding up elevator function, it is characterised in that: also include cylinder, institute Stating cylinder and described vertical fixed plate one_to_one corresponding, the piston of described cylinder passes described vertical fixed plate；

Described horizontal push is fixed on the pistons end of two cylinders and is promoted by described cylinder.

Possess push-and-pull the most as claimed in claim 3 and embrace the aligning holding up elevator function, it is characterised in that: described backswing arm in L-type.