CN219365970U - Sucker rod elevator convenient to assembly - Google Patents

Abstract

The utility model discloses a sucker rod elevator convenient to assemble, which belongs to the field of sucker rod elevators, and comprises an elevator body, wherein elastic collars for shafts are clamped at the left end and the right end of the elevator body, gaskets are arranged between the inner walls of the elevator body, the elevator body and the gaskets are fixedly connected through slotted countersunk head screws, two first placing grooves which are symmetrically distributed with each other are formed in the upper end of the elevator body, two second placing grooves which are symmetrically distributed with each other are formed in the lower end of an elastic cylindrical pin, the front tongue and the rear tongue can be fixed by the elastic cylindrical pin, then the spring is inserted into the elastic bush from the side face to be screwed, the assembly of workers is facilitated, the spring is screwed out from the side face firstly when the spring bush is taken out, and then the elastic cylindrical pin is removed, and the phenomenon that the workers are injured due to the fact that the elastic force of the spring is high when the elastic cylindrical pin is removed is avoided greatly.

Description

Sucker rod elevator convenient to assembly

Technical Field

The utility model relates to the field of sucker rod elevator equipment, in particular to a sucker rod elevator convenient to assemble.

Background

At present, in the middle and later stages of oil field operation, a large number of oil wells need to be overhauled. Because of the large number of sucker rod specifications, the workover team must be equipped with sucker rod elevator with various specifications to meet the requirements of workover.

The utility model provides a removable inside lining formula sucker rod elevator that chinese patent application number was 201320759823.3 published, its is although solved the change step of inside lining in the sucker rod elevator, but this sucker rod elevator is when tongue before the assembly, back tongue and spring, because the spring has elasticity, need assist the assembly with the help of specific instrument, assembly efficiency has been reduced, and be unfavorable for the workman to because the elasticity of spring is great when dismantling, probably cause the workman to be injured when getting rid of elasticity cylindric lock, for this reason, this scheme provides a sucker rod elevator convenient to assembly.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the sucker rod elevator convenient to assemble, which can realize that the front tongue and the rear tongue are fixed by the elastic cylindrical pin, and then the spring is inserted into the spring bushing from the side surface to be screwed down, so that the sucker rod elevator is convenient for workers to assemble, and is safer when the spring bushing is screwed out from the side surface to take out the spring and then remove the elastic cylindrical pin during disassembly, thereby greatly avoiding the phenomenon that the workers are possibly injured due to the larger elasticity of the spring during the removal of the elastic cylindrical pin.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a sucker rod elevator convenient to assembly, includes the elevator body, both ends all joint has the circlip for the axle about the elevator body, be equipped with the packing ring between the inner wall of the elevator body, through fluting countersunk head screw fixed connection between the elevator body and the packing ring, two first standing grooves of mutual symmetric distribution have been seted up to the upper end of the elevator body, two second standing grooves of mutual symmetric distribution have been seted up to the lower extreme of the elevator body, all rotate between the inner wall of first standing groove, second standing groove and be connected with elasticity cylindric lock, first standing groove is inside elasticity cylindric lock outer end fixedly connected with back tongue, second standing groove is inside elasticity cylindric lock lower extreme fixedly connected with front tongue, two the one end that front tongue kept away from each other all is equipped with compression spring, the through-hole has all been seted up at both ends about the elevator body, compression spring is located between the through-hole inner wall, threaded connection has the spring bush between the inner wall of through-hole.

Further, annular grooves are formed in the left end and the right end of the elevator body, and elastic clamping connection is formed between the annular grooves and the elastic check rings for the shafts.

Further, the outer end of the elevator body is sleeved with a lifting ring, and the clamping end of the lifting ring is positioned between the elastic retainer ring for the shaft and the inner wall of the elevator body.

Further, anti-skid grooves are formed in the inner walls of the left side and the right side of the lifting ring, and rubber sleeves are sleeved at the outer ends of the anti-skid grooves.

Furthermore, the compression spring is made of stainless steel materials, and antirust paint is coated on the surface of the compression spring.

3. Compared with the prior art, the utility model has the following beneficial effects:

this scheme is when using, can realize through placing preceding tongue, back tongue in the standing groove between the elevator body inner wall, and fix it through with the elasticity cylindric lock, make preceding tongue, back tongue can rotate through the elasticity cylindric lock between the elevator body inner wall, and afterwards insert compression spring from the side in the through-hole that the elevator body left and right sides both ends all offered, screw up with the spring bush, accomplish the workman's of being convenient for assembly compression spring's installation, and when dismantling, the staff accessible is screwed out the spring bush earlier from the side and is taken out compression spring, then also safer when getting rid of the elasticity cylindric lock again, avoided the workman to take place because of the great phenomenon that can cause the injury of the elasticity of spring when getting rid of the elasticity cylindric lock greatly.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall elevator of the present utility model when disengaged;

FIG. 3 is a schematic view of the elevator body of the present utility model in combination with a rear tongue and a front tongue;

FIG. 4 is a schematic view of an elevator body according to the present utility model;

fig. 5 is a schematic cross-sectional view of the present utility model in a top view.

The reference numerals in the figures illustrate:

the elastic retainer ring for the 1 shaft, the 2 elevator body, the 3 slotted countersunk head screw, the 4 washer, the 5 rear tongue, the 6 elastic cylindrical pin, the 7 compression spring, the 8 front tongue, the 9 lifting ring and the 10 spring bushing.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-5, a sucker rod elevator convenient to assemble comprises an elevator body 2, wherein elastic collars 1 for shafts are clamped at the left end and the right end of the elevator body 2, gaskets 4 are arranged between the inner walls of the elevator body 2, the elevator body 2 and the gaskets 4 are fixedly connected through slotted countersunk head screws 3, two first placing grooves which are symmetrically distributed with each other are formed in the upper end of the elevator body 2, two second placing grooves which are symmetrically distributed with each other are formed in the lower end of the elevator body 2, elastic cylindrical pins 6 are respectively and rotatably connected between the inner walls of the first placing grooves and the second placing grooves, front tongues 8 are fixedly connected at the outer ends of the elastic cylindrical pins 6 in the first placing grooves, compression springs 7 are respectively arranged at the lower ends of the elastic cylindrical pins 6 in the second placing grooves, through holes are respectively formed in the left end and the right end of the elevator body 2, the compression springs 7 are located between the inner walls of the through holes, and spring bushings 10 are in threaded connection between the inner walls of the through holes.

In order to avoid when the front tongue, the rear tongue and the spring are assembled originally, because the spring has elasticity, need assist the assembly with the help of specific instrument, the phenomenon that assembly efficiency is slow, be unfavorable for the workman to assemble moreover, and because the elasticity of spring is great when dismantling, can cause the injured phenomenon of workman to take place when getting rid of elasticity cylindric lock, this scheme can realize when using, place the front tongue 8, the rear tongue 5 in the standing groove between the inner wall of elevator body, and fix it through with elasticity cylindric lock 6, make front tongue 8, rear tongue 5 can rotate through elasticity cylindric lock 6 between the inner wall of elevator body 2, and afterwards follow the side again with compression spring 7 insert the through-hole that the elevator body left and right sides all offered, and screw up with spring bush 10, accomplish the installation of compression spring 7 and be convenient for the workman to assemble, and during dismantling, the staff can screw out compression spring 7 from the side earlier, then get rid of elasticity cylindric lock 6 again also safer when having avoided the workman to take place because of great elasticity of elasticity cylindric lock 6 when getting rid of elasticity cylindric lock 6.

Referring to fig. 3-5, the left and right ends of the elevator body 2 are both provided with annular grooves, and the annular grooves and the elastic collar 1 for the shaft form elastic clamping connection.

This scheme is when using, offer the annular groove through both ends about the elevator body 2 for carry out spacing in-process to bail 9 when placing axle circlip 1, during the centre gripping hole at axle circlip 1 both ends is held to the staff accessible nipper pliers, then carry out deformation stretching with axle circlip 1, make its internal diameter size increase, the cover is established to the annular groove inside, unclamp the nipper pliers afterwards, cause axle circlip 1 under the effect of elastic potential energy reply, the internal diameter resumes original size, then the block is inside the annular groove.

Referring to fig. 1-2, a lifting ring 9 is sleeved at the outer end of the elevator body 2, and the clamping end of the lifting ring 9 is positioned between the circlip 1 for the shaft and the inner wall of the elevator body 2.

This scheme is equipped with the bail 9 through the cover in the elevator body 2 both sides, can make the staff carry when taking or operating, through the gripping bail 9, daily operation of being convenient for that can be more, it is more convenient.

Referring to fig. 1-2, anti-slip grooves are formed in the inner walls of the left side and the right side of the lifting ring 9, and rubber sleeves are sleeved at the outer ends of the anti-slip grooves.

According to the scheme, the anti-skid grooves and the rubber sleeves are arranged on the two sides of the lifting ring 9, so that the friction force between the staff and the hands when the staff grasps the lifting ring 9 can be greatly enhanced, and the stability of the staff grasping is improved.

Referring to fig. 2, the compression spring 7 is made of stainless steel material, and the surface is coated with rust-proof paint.

According to the scheme, the compression spring 7 is made of stainless steel materials and is coated with antirust paint, so that the service life of the compression spring 7 in the daily use process can be greatly prolonged.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a sucker rod elevator convenient to assembly, includes elevator body (2), its characterized in that: the elevator body (2) is controlled both ends and is all clamped with circlip (1) for the axle, be equipped with packing ring (4) between the inner wall of elevator body (2), through fluting countersunk head screw (3) fixed connection between elevator body (2) and packing ring (4), two first standing grooves of mutual symmetric distribution have been seted up to the upper end of elevator body (2), two second standing grooves of mutual symmetric distribution have been seted up to the lower extreme of elevator body (2), all rotate between the inner wall of first standing groove, second standing groove and be connected with elastic cylindric lock (6), inside of first standing groove elastic cylindric lock (6) outer end fixedly connected with back tongue (5), inside of second standing groove elastic cylindric lock (6) lower extreme fixedly connected with front tongue (8), two the one end that front tongue (8) kept away from each other all is equipped with compression spring (7), the through-hole has all been seted up at both ends about elevator body (2), compression spring (7) are located between the inner wall, threaded connection has bush (10) between the through-hole.

2. The sucker rod elevator of claim 1 for easy assembly, wherein: annular grooves are formed in the left end and the right end of the elevator body (2), and elastic clamping connection is formed between the annular grooves and the elastic retainer rings (1) for the shafts.

3. The sucker rod elevator of claim 1 for easy assembly, wherein: the outer end of the elevator body (2) is sleeved with a lifting ring (9), and the clamping end of the lifting ring (9) is positioned between the elastic retainer ring (1) for the shaft and the inner wall of the elevator body (2).

4. A sucker rod elevator for easy assembly according to claim 3, wherein: anti-skid grooves are formed in the inner walls of the left side and the right side of the lifting ring (9), and rubber sleeves are sleeved at the outer ends of the anti-skid grooves.

5. The sucker rod elevator of claim 1 for easy assembly, wherein: the compression spring (7) is made of stainless steel materials, and antirust paint is coated on the surface of the compression spring.