CN201080794Y - Articulated type pumping rod lift hook - Google Patents

Abstract

The utility model relates to a movable-joint type sucker rod hook, which is composed of a lifting joint, a lifting hook rod, a movable pin shaft, a cross shaft, a rotary lifting beam, a fixing bolt screw-cap, a hook rotation rod, a hook body, a hook handle, a lock pin puller, a lock pin fixing pin shaft, a lock pin movable pin shaft, a hook opening, a hook lock pin, a lock pin reset spring and a lock pin positioning pin, the upper end of the lifting hook rod is integrated with the lifting joint, the lower end of the lifting hook is connected with the cross shaft by the movable pin shaft; the cross shaft is connected with the rotary lifting beam by the movable pin shaft, the lower end of the rotary lifting beam is connected with the hook rotation rod at the upper end of the hook body by the fixing bolt screw-cap; the hook handle is arranged at one side of the hook body, the lock pin puller is arranged horizontally in the hook body, the inner end of the lock pin puller is connected with the hook lock pin by the lock pin movable pin shaft, the positioning pin at the upper end of the hook lock pin is sleeved with the lock pin reset spring. The middle part of the sucker rod hook is made to form the cross shaft movable joint, so that the lower part of the hook can be rotated randomly, the utility model has convenient operation and can improve safety and work efficiency, thereby ensuring smooth operation of sucker rod.

Description

Articulated sucker rod hook

Technical field:

The utility model relates to a kind of special tool that pumpingh well underground work is used that is used for.

Background technology:

Sucker rod hook is the common tool that uses when playing lower sucker rod in the pumpingh well underground work process.At present, the on-the-spot sucker rod hook that uses adopts wire rope to hang, because service time is longer, fracture of wire often takes place, and is very dangerous; The suspension hook that has adopts tubing nipple as suspension, can not adjust the orientation but rise in the lower sucker rod process, makes that well head operating personnel operation is very inconvenient, and labor strength is bigger, and the production timeliness is lower.

The utility model content:

The purpose of this utility model is to provide a kind of easy to operate, reliable operation, can have improved the articulated sucker rod hook of safety of lower sucker rod rountrip and production actual effect.

The utility model is to realize like this.This kind suspension hook is made up of lifting sub, lifting suspension rod, active pin shaft, cross axle, rotation bale handle, set bolt nut, suspension hook swingle, suspension hook body, suspension hook handle, lock pin handle, lock pin fixed pin shaft, lock pin active pin shaft, suspension hook opening, suspension hook lock pin, lock pin return spring and lock pin alignment pin: promote the suspension rod upper end and fuse with lifting sub, the lower end is connected with cross axle by active pin shaft; Cross axle is connected with the rotation bale handle by active pin shaft, and rotation bale handle lower end is connected by the suspension hook swingle of set bolt nut with suspension hook body upper end; Suspension hook body one side is provided with the suspension hook handle, laterally be provided with the lock pin handle in the body, the lock pin end of shaking hands extends, fixedly lock shaft and body fix by lock pin at the middle part, the inner is connected with the suspension hook lock pin by the lock pin active pin shaft, be set with the lock pin return spring on the alignment pin of suspension hook lock pin upper end, suspension hook body one side of suspension hook lock pin below is provided with the suspension hook opening.When playing lower sucker rod, to promote suspension rod and be buckled in the pipe elevator, and utilize lifting sub to hang suspension hook, catch the suspension hook handle with hand, pulling lock pin handle, make the suspension hook lock pin up, open the suspension hook opening, the rod elevator bale handle is put into sucker rod hook, hand is decontroled, the suspension hook lock pin is resetted under the effect of lock pin return spring,, can carry out sucker rod and remove the suspension hook closure of openings.

The utility model is made the cross axle active joint at the pipe nipple middle part, can make the random rotary moveable in suspension hook bottom, and is not only easy to operate, and can improve safety and operating efficiency, guarantees carrying out smoothly of sucker rod rountrip.

Description of drawings:

Accompanying drawing is a general structure schematic diagram of the present utility model.

The specific embodiment:

As shown in the figure, the utility model is made up of lifting sub 1, lifting suspension rod 2, active pin shaft 3, cross axle 4, rotation bale handle 5, set bolt nut 6, suspension hook swingle 7, suspension hook handle 8, lock pin handle 9, lock pin fixed pin shaft 10, lock pin active pin shaft 11, suspension hook opening 12, suspension hook lock pin 13, lock pin return spring 14, lock pin alignment pin 15 and suspension hook body 16, its structure, assembled relation are as follows: promote suspension rod 2 upper ends and lifting sub 1 and make one, the lower end is connected with cross axle 4 by active pin shaft 3; Cross axle 4 is connected with rotation bale handle 5 by active pin shaft 3, and rotation bale handle 5 lower ends are connected by the suspension hook swingle 7 of set bolt nut 6 with suspension hook body 16 upper ends; Suspension hook body 16 1 sides are provided with suspension hook 8 hands, laterally be provided with lock pin handle 9 in the body, lock pin 9 one ends of shaking hands extend, fixedly lock shaft 10 and body fix by lock pin at the middle part, the inner is connected with suspension hook lock pin 13 by lock pin active pin shaft 11, be set with lock pin return spring 14 on the suspension hook lock pin 13 upper end alignment pins, suspension hook body 16 1 sides of suspension hook lock pin 13 belows are provided with suspension hook opening 12.Wherein, promote suspension rod 2 upper ends and lifting sub 1 and fuse, lower ending opening is down " Y " shape, and both sides are provided with relatively and penetrate active pin shaft 3 and use circular hole.Cross axle 4 shapes are to promote suspension rod 2 similar, and also for falling " Y " shape, top is provided with two and moves towards vertical active pin shaft 3 cross through hole that penetrates, lower openings, and the lower end is provided with suspension set bolt nut 6 and uses step.Suspension hook body 16 upper ends and suspension hook swingle 7 are made one, and a side is made closed suspension hook handle 8, and body 16 middle parts are provided with and lock pin handle 9 is set use transverse passageway, and this cavity one side is opened wide, and opposite side seals, and body 16 bottoms are the hook-shape body of a side band opening.

Claims (4)

1. articulated sucker rod hook, by lifting sub (1), promote suspension rod (2), active pin shaft (3), cross axle (4), rotation bale handle (5), set bolt nut (6), suspension hook swingle (7), suspension hook body (16), suspension hook handle (8), lock pin handle (9), lock pin fixed pin shaft (10), lock pin active pin shaft (11), suspension hook opening (12), suspension hook lock pin (13), lock pin return spring (14) and lock pin alignment pin (15) are formed, it is characterized in that: promote suspension rod (2) upper end and fuse with lifting sub (1), the lower end is connected with cross axle 4 by active pin shaft (11); Cross axle (4) is connected with rotation bale handle (5) by active pin shaft (11), and rotation bale handle (5) lower end is connected by the suspension hook swingle (7) of set bolt nut (6) with suspension hook body (16) upper end; Suspension hook body (16) one sides are provided with suspension hook handle (8), laterally be provided with lock pin handle (9) in the body, lock pin handle (9) one ends extend, fixedly lock shaft (10) and body fix by lock pin at the middle part, the inner is connected with suspension hook lock pin (13) by lock pin active pin shaft (11), be set with lock pin return spring (14) on the alignment pin of suspension hook lock pin (13) upper end, suspension hook body (16) one sides of suspension hook lock pin (13) below are provided with suspension hook opening (12).

2. according to the described articulated sucker rod hook of claim 1, its sign is: promote suspension rod (2) upper end and fuse with lifting sub (1), lower ending opening is down " Y " shape, and both sides are provided with relatively and penetrate active pin shaft (3) and use circular hole.

3. according to the described articulated sucker rod hook of claim 1, its sign is: cross axle (4) shape is similar to lifting suspension rod (2), also for falling " Y " shape, top is provided with two and moves towards the vertical active pin shaft (3) that penetrates and use cross through hole, lower openings, lower end are provided with suspension set bolt nut (6) and use step.

4. according to the described articulated sucker rod hook of claim 1, its sign is: one is made with suspension hook swingle (7) in suspension hook body (16) upper end, one side is made closed suspension hook handle (8), body (16) middle part is provided with and lock pin handle (9) is set uses transverse passageway, this cavity one side is opened wide, the opposite side sealing, body (16) bottom is the hook-shape body of a side band opening.