CN219472043U - Petroleum well oil extraction sucker rod lifter - Google Patents

Abstract

The utility model relates to the field of petroleum wells and discloses a petroleum well oil extraction sucker rod lifter which comprises a base plate, a support frame and a lifting assembly, wherein a clamping mechanism is fixedly arranged at the bottom of the lifting assembly and comprises a sleeve and a clamping assembly, and the clamping assembly comprises a clamping plate, a driving piece and a spring; the driving piece comprises a connecting rod, a threaded rod and a rotating handle, the driving piece is sleeved with a spring, one end of the spring is fixedly connected to the clamping plate, and the other end of the spring is fixedly arranged on the inner side wall of the sleeve. Under the effect of spring, the grip block has a pretightning force to the sucker rod, prevents that the sucker rod from droing, immediately, alright rotate whole driving piece through twist grip, under the drive of threaded rod, constantly be close to the grip block to the sucker rod to press from both sides the sucker rod tight fixedly, whole operation process is very convenient, improves staff's work efficiency.

Description

Petroleum well oil extraction sucker rod lifter

Technical Field

The utility model relates to the field of petroleum wells, in particular to a sucker rod lifter for petroleum well oil extraction.

Background

At present, wellhead-driven rotary oil extraction lifting equipment at home and abroad still adopts an automobile crane, a workover rig car lifts a sucker rod, and no other method can lift the sucker rod.

Patent application number CN216305879U discloses a sucker rod lifter for oil well production, which comprises a base plate; the top of the base plate is fixedly provided with a support frame, the middle of the top of the support frame is provided with a thread groove, four corners of the top of the support frame are respectively provided with a rod groove, a limit rod is inserted into each rod groove, the limit rods are fixed at the bottom of the fixed plate, the middle part of the surface of the top of the fixed plate is provided with a rotating motor, and a motor shaft of the rotating motor penetrates through the bottom of the fixed plate and is in transmission connection with a screw rod in the thread groove; the bottom of the screw rod is fixed on the rod sleeve; the bottom of pole cover has been seted up into the pole mouth, the bolt groove has all been seted up to the both sides of pole cover, and the internal connection of bolt groove has the butterfly bolt, the end of butterfly bolt is provided with anti-skidding gasket. In this technical scheme directly adopts two butterfly bolts to fix the sucker rod, owing to not set up pretension mechanism, consequently when fixed sucker rod, must be with the sucker rod steady post earlier in one hand, then rotatory butterfly bolt in one hand to fix the sucker rod, whole operation process is more loaded down with trivial details, has reduced work efficiency.

In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art.

Disclosure of Invention

The utility model mainly aims to provide a sucker rod lifter for petroleum well oil extraction, which solves the problems in the background technology.

In order to achieve the above object, the solution of the present utility model is:

the oil well oil extraction sucker rod lifter comprises a base plate, a supporting frame fixedly installed on the base plate and a lifting assembly installed on the supporting frame, wherein a clamping mechanism is fixedly installed at the bottom of the lifting assembly, the clamping mechanism comprises a sleeve and a clamping assembly movably installed on the side wall of the sleeve, and the clamping assembly comprises a clamping plate, a driving piece and a spring; the driving piece comprises a connecting rod, a threaded rod and a rotating handle, wherein the connecting rod is in sliding connection with the clamping plate, the threaded rod is in threaded connection with the side wall of the sleeve, the spring is sleeved on the driving piece, one end of the spring is fixedly connected to the clamping plate, and the other end of the spring is fixedly installed on the inner side wall of the sleeve.

Further, a connecting block connected with the connecting rod is formed on the outer side of the clamping plate; the connecting block is internally provided with a movable cavity for the connecting rod to slide.

Further, the clamping plate comprises a vertically arranged clamping section and a obliquely arranged guiding section; the inner side surface of the clamping section and the inner side surface of the guiding section are arc-shaped surfaces; the connecting block is located on the clamping section.

Further, the support frame comprises four support columns vertically arranged at the top of the substrate and support plates fixedly connected to the four support columns; guide holes are formed in the four support columns, and a thread bush is formed in the middle of the support plate.

Further, the lifting assembly comprises a motor, a screw rod and a bearing plate, one end of the screw rod is rotatably arranged on the bearing plate, the motor is fixedly arranged at the top of the bearing plate, and an output shaft of the motor is in transmission connection with the screw rod; the screw rod is in threaded fit with the threaded sleeve; four guide rods matched with the guide holes are formed at the bottom of the bearing plate.

Further, the sleeve is fixedly arranged at the top of the screw rod.

Further, a through groove is formed in the middle of the substrate.

After the structure is adopted, compared with the prior art, the oil extraction sucker rod lifter for the petroleum well is characterized in that the spring is fixedly arranged on the clamping plate and the inner side wall of the sleeve, the spring is sleeved on the driving piece, the clamping plate and the connecting rod are slidably arranged, when the sucker rod is required to be fixed, the sucker rod is inserted from the bottom of the sleeve, the clamping plate has a pretightening force on the sucker rod under the action of the spring to prevent the sucker rod from falling off, then the whole driving piece can be rotated through the rotary handle, and the clamping plate is continuously closed to the sucker rod under the driving of the threaded rod, so that the sucker rod is clamped and fixed, the whole operation process is very convenient, and the working efficiency of staff is improved.

Drawings

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

FIG. 2 is a schematic view of a clamping mechanism;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is a schematic view of a clamping plate;

fig. 5 is a schematic structural view of the driving member.

Legend description: base plate 1, through groove 11, support frame 2, support column 21, backup pad 22, thread bush 221, lifting unit 3, motor 31, lead screw 32, carrier plate 33, guide bar 34, fixture 4, sleeve 41, clamping unit 42, clamping plate 421, connecting block 4211, movable cavity 4212, clamping segment 4213, guide segment 4214, drive piece 422, connecting rod 4221, threaded rod 4222, rotary handle 4223, spring 423.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 5, the utility model relates to a lifter for oil extraction sucker rod of petroleum well, comprising a base plate 1, a supporting frame 2 fixedly installed on the base plate 1, and a lifting assembly 3 installed on the supporting frame 2, wherein a clamping mechanism 4 is fixedly installed at the bottom of the lifting assembly 3, the clamping mechanism 4 comprises a sleeve 41 and a clamping assembly 42 movably installed on the side wall of the sleeve 41, and the clamping assembly 42 comprises a clamping plate 421, a driving piece 422 and a spring 423; the driving member 422 includes a connecting rod 4221 slidably connected to the clamping plate 421, a threaded rod 4222 screwed to the side wall of the sleeve 41, and a rotary handle 4223, where the spring 423 is sleeved on the driving member 422, and one end of the spring 423 is fixedly connected to the clamping plate 421 and the other end is fixedly mounted on the inner side wall of the sleeve 41. In the present embodiment, the outside of the grip plate 421 is formed with a connection block 4211 connected to a connection rod 4221; the connection block 4211 has a movable chamber 4212 formed therein for sliding the connection rod 4221. The clamping plate 421 includes a vertically disposed clamping section 4213 and a obliquely disposed guide section 4214; the inner side surface of the clamping section 4213 and the inner side surface of the guiding section 4214 are arc-shaped surfaces; the connection block 4211 is located on the grip segment 4213. The clamping assemblies 42 have at least two groups, and the included angles between adjacent clamping assemblies 42 are equal.

In this embodiment, the support frame 2 includes four support columns 21 vertically disposed on the top of the base plate 1, and support plates 22 fixedly connected to the four support columns 21; guide holes are formed in the four support columns 21, and a threaded sleeve 221 is formed in the middle of the support plate 22. The lifting assembly 3 comprises a motor 31, a screw rod 32 and a bearing plate 33, one end of the screw rod 32 is rotatably arranged on the bearing plate 33, the motor 31 is fixedly arranged at the top of the bearing plate 33, and an output shaft of the motor 31 is in transmission connection with the screw rod 32; the screw rod 32 is in threaded fit with the threaded sleeve 221; four guide rods 34, which are respectively matched with the guide holes, are formed at the bottom of the bearing plate 33. The sleeve 41 is fixedly mounted on top of the screw 32. When the motor 31 is started, the motor 31 drives the screw rod 32 to rotate, and the screw rod 32 is in threaded fit with the threaded sleeve 221, so that the whole bearing plate 33 can move in the vertical direction under the action of the screw rod 32, and the sleeve 41 is fixed at the bottom of the screw rod 32, so that the whole clamping mechanism 4 can drive the sucker rod to perform rotary lifting motion.

In the present embodiment, a through groove 11 is also formed in the middle of the substrate 1.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The oil well oil extraction sucker rod lifter comprises a base plate, a supporting frame fixedly installed on the base plate and a lifting assembly installed on the supporting frame, wherein a clamping mechanism is fixedly installed at the bottom of the lifting assembly; the driving piece comprises a connecting rod, a threaded rod and a rotating handle, wherein the connecting rod is in sliding connection with the clamping plate, the threaded rod is in threaded connection with the side wall of the sleeve, the spring is sleeved on the driving piece, one end of the spring is fixedly connected to the clamping plate, and the other end of the spring is fixedly installed on the inner side wall of the sleeve.

2. The oil well pumping rod lifter according to claim 1, wherein a connection block connected to the connection rod is formed on an outer side of the clamping plate; the connecting block is internally provided with a movable cavity for the connecting rod to slide.

3. A petroleum well production sucker rod elevator according to claim 2, wherein the clamping plate comprises a vertically arranged clamping section and an obliquely arranged guiding section; the inner side surface of the clamping section and the inner side surface of the guiding section are arc-shaped surfaces; the connecting block is located on the clamping section.

4. The oil well pumping rod lifter according to claim 1, wherein the supporting frame comprises four supporting columns vertically arranged on the top of the base plate and supporting plates fixedly connected to the four supporting columns; guide holes are formed in the four support columns, and a thread bush is formed in the middle of the support plate.

5. The oil well pumping rod lifter according to claim 4, wherein the lifting assembly comprises a motor, a screw rod and a bearing plate, one end of the screw rod is rotatably installed on the bearing plate, the motor is fixedly installed on the top of the bearing plate, and an output shaft of the motor is in transmission connection with the screw rod; the screw rod is in threaded fit with the threaded sleeve; four guide rods matched with the guide holes are formed at the bottom of the bearing plate.

6. The sucker rod elevator for oil well production according to claim 5, wherein the sleeve is fixedly installed on top of the screw rod.

7. The sucker rod elevator for oil well production according to claim 6, wherein a through groove is further formed in the middle of the base plate.