CN212309777U - Crusher for sucker rod centralizer - Google Patents

Abstract

An object of the utility model is to provide a sucker rod centralizer breaker belongs to the oil machinery field. The hydraulic clamp comprises a rack, wherein a hydraulic cylinder, a first hydraulic holding clamp and a second hydraulic holding clamp are sequentially arranged at the top of the longitudinal center of the rack; a guide rail is arranged on the longitudinal inner side of the rack, and the first hydraulic holding clamp is driven by the hydraulic cylinder to move horizontally along the guide rail in the longitudinal direction; the second hydraulic holding clamp is fixedly arranged on the rack; the vertical inboard of first hydraulic pressure holding clamp is equipped with the sword piece mounting groove, and broken cutter piece demountable installation is in the cutter mounting groove. The broken cutter piece carries out longitudinal movement along the sucker rod under the drive of pneumatic cylinder, and then realizes the automatic excision breakage to the centralizer, the utility model discloses simple structure, crushing effect is good, and work efficiency is high, has reduced workman's intensity of labour.

Description

Crusher for sucker rod centralizer

Technical Field

The utility model relates to a petroleum machinery technical field, in particular to carry out broken device to sucker rod centralizer.

Background

In the oil extraction process of the oil field, the sucker rod reciprocates up and down in the oil pipe, and the sucker rod and the inner wall of the oil pipe are easy to generate mechanical friction, so that the phenomenon of breaking and falling off of the sucker rod is caused. Therefore, people install the centralizer of nylon material on the sucker rod, and it has characteristics such as pliability is strong, antifriction, corrosion-resistant, through centralizer and oil pipe inner wall contact, has prevented to produce the phenomenon of mechanical friction easily between sucker rod and the oil pipe inner wall.

Because the sucker rod centralizer is long-term in the oil well work, inevitably can appear wearing and tearing, after wearing and tearing reach certain degree, need dismantle the processing with the centralizer from the sucker rod. The traditional construction process needs manual external force to break, no special equipment, time and labor waste and low working efficiency.

Disclosure of Invention

An object of the utility model is to provide a sucker rod centralizer breaker, broken cutter piece carries out longitudinal movement along the sucker rod under the drive of pneumatic cylinder, and then realizes that the automatic excision to the centralizer is broken, and work efficiency is high, has solved traditional centralizer and has dismantled and must rely on artifical external force to break away, wastes time and energy, the technical problem that work efficiency is low.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the sucker rod centralizer crusher comprises a rack, wherein a hydraulic cylinder, a first hydraulic holding clamp and a second hydraulic holding clamp are sequentially arranged at the top of the longitudinal center of the rack; a guide rail is arranged on the longitudinal inner side of the rack, and the first hydraulic holding clamp is installed on the guide rail through a first holding clamp base and is driven by a hydraulic cylinder to move longitudinally and horizontally along the guide rail; the second hydraulic holding clamp is arranged on the rack through a second holding clamp base;

a cutter block mounting groove is formed in the longitudinal inner side of the first hydraulic holding clamp, and the breaking cutter block is detachably mounted in the cutter mounting groove;

the longitudinal inner side of the breaking cutter block is provided with an arc-shaped groove which penetrates through the breaking cutter block and is matched with the outer diameter of the sucker rod, and the front end of the breaking cutter block is provided with a conical cutting edge.

As an improvement of the utility model, the leading wheel that is used for supporting the sucker rod and embraces pincers with leading-in first hydraulic pressure of sucker rod and second hydraulic pressure armful pincers is installed at the both ends of frame, and the leading wheel distributes and puts at the vertical central point of frame.

As an improvement of the utility model, the frame is of a frame structure, and the bottoms of the four legs of the frame are all connected with the stabilizing block.

As an improvement of the utility model, the top of the frame is also provided with a first motor and a second motor; the first motor and the first hydraulic holding clamp are coaxially distributed, and the first hydraulic holding clamp is driven by the first motor to clamp and separate the sucker rod; the second motor and the second hydraulic pressure embrace clamp are coaxially distributed, and the second hydraulic pressure embrace clamp realizes the centre gripping and breaks away from the sucker rod under the drive of second motor.

The utility model has the advantages that: the utility model drives the first holding clamp base to move horizontally along the guide rail, and the first hydraulic holding clamp is arranged on the first holding clamp base, so that the breaking cutter block is always attached to the sucker rod and moves longitudinally along the sucker rod, and the automatic cutting of the centralizer on the sucker rod is realized; the arc-shaped groove which penetrates through the breaking cutter block and is matched with the outer diameter of the sucker rod is arranged on the longitudinal inner side of the breaking cutter block, so that the mechanical damage of the breaking cutter block to the rod body of the sucker rod is reduced, the sucker rod can adapt to sucker rods with various specifications and sizes, and the adaptability is high; the front end of the breaking and cutting knife block is provided with a conical knife edge, so that the cutting effect is greatly improved; the utility model discloses simple structure, crushing effect is good, and work efficiency is high, has reduced workman's intensity of labour.

Guide wheels for supporting the sucker rod and guiding the sucker rod into the first hydraulic holding clamp and the second hydraulic holding clamp are mounted at two ends of the rack, and the guide wheels are distributed at the longitudinal center of the rack; through with leading wheel fixed mounting in the frame, make leading wheel and first hydraulic pressure embrace the stable in structure reliable between pincers and the second hydraulic pressure armful pincers, can accurately conveniently be with leading-in hydraulic pressure armful pincers of sucker rod, convenient operation.

The rack is of a frame structure, and the bottoms of four legs of the rack are connected with stabilizing blocks; through setting up the stabilizing block, increased the ground area of contact of breaker, can make the breaker adapt to uneven ground, further strengthened overall stability.

The hydraulic holding clamp is driven by the motor, so that the sucker rod can be conveniently clamped and separated, and the hydraulic holding clamp is simple in structure and convenient to operate.

Drawings

FIG. 1 is a schematic view of the overall structure of the sucker rod centralizer crusher of the present invention;

fig. 2 is a schematic top view of fig. 1.

In the figure: 1. a frame; 11. a stabilizing block; 12. longitudinally supporting; 13. a cross brace; 14. a reinforcing plate; 2. a guide wheel; 3. a hydraulic cylinder; 31. a piston rod; 4. a guide rail; 5. a first hydraulic holding clamp; 6. breaking and cutting the cutter; 7. a second hydraulic holding clamp; 8. a first motor; 9. a second motor.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

As shown in fig. 1 and 2, the crusher for the sucker rod centralizer comprises a frame 1, wherein the frame 1 is of a frame structure made of rectangular steel and other sectional materials, the sectional materials are convenient to manufacture, the lightweight design is realized, the bottom of four legs of the frame 1 is connected with stabilizing blocks 11 for enhancing the stability of the crusher on the ground, the stabilizing blocks 11 can be rectangular blocks, circular blocks or triangular blocks and the like, and the rectangular blocks in the embodiment are preferably adopted. Along the vertical central top position of frame 1 set gradually left leading wheel 2, pneumatic cylinder 3, first hydraulic pressure embrace pincers 5, second hydraulic pressure embrace pincers 7 and right leading wheel 2, left leading wheel 2 is installed on the stull of frame top left end, and right leading wheel 2 is installed on the stull of frame top right-hand member, and leading-in first hydraulic pressure embrace pincers 5 and the second hydraulic pressure embrace pincers 7 of leading-in sucker rod are used for supporting the sucker rod to leading-in of leading-in sucker rod for leading-in guide wheel 2. The guide rails 4 which are oppositely arranged are arranged on the longitudinal inner sides of the front and rear longitudinal supports 12 at the top of the frame 1, and the guide rails 4 are fixedly connected to the longitudinal supports 12, if welding connection is adopted, the utility model does not limit the concrete structure of the guide rails 4 and the connection mode between the guide rails 4 and the longitudinal supports 12; the first hydraulic holding clamp 5 is mounted on a guide rail 4 on the inner side of the frame 1 through a first holding clamp base and can move longitudinally along the guide rail 4 under the driving of a hydraulic cylinder 3, a rodless end of the hydraulic cylinder 3 is mounted on the inner side of the left cross brace 13, the top of a piston rod 31 of the hydraulic cylinder 3 is hinged with the first holding clamp base, and the piston rod 31 is connected to the first holding clamp base in a conventional pin shaft and lug seat mode; the second hydraulic holding clamp 7 is arranged on the frame 1 through a second holding clamp base; the vertical support 12 at the top of the rack is further provided with a first motor 8 and a second motor 9, the first motor 8 and the second motor 9 are coaxially distributed, the first hydraulic pressure holding clamp 5 is coaxially distributed with the first hydraulic pressure holding clamp 5, the first hydraulic pressure holding clamp 5 is driven by the first motor 8 to clamp and separate the sucker rod, and the second hydraulic pressure holding clamp 7 is driven by the second motor 9 to clamp and separate the sucker rod.

A cutter block mounting groove is formed in the longitudinal inner side of the first hydraulic holding clamp 5, and the breaking cutter block 6 is detachably mounted in the cutter mounting groove and is preferably fixed by bolts; the longitudinal inner side of the breaking cutter block 6 is provided with an arc-shaped groove which penetrates through the breaking cutter block 6 and is matched with the outer diameter of the sucker rod, and the front end of the breaking cutter block 6 is provided with a conical blade. By designing the arc-shaped groove, the mechanical damage of the breaking cutter block to the rod body of the sucker rod is reduced, the sucker rod can adapt to sucker rods with various specifications and sizes, and the adaptability is high; the front end of the breaking cutter block is provided with a conical blade, so that the cutting effect is greatly improved.

The first hydraulic holding clamp 5 and the second hydraulic holding clamp 7 are both synchronous centering clamping mechanisms, and the centers of clamping parts of the synchronous centering clamping mechanisms are concentrically distributed. In order to enhance the structural stability of the crusher, a reinforcing plate 14 is designed between the longitudinal support 12 and the transverse support 13 at the top of the frame 1, so that the structure is firm, safe and reliable.

The utility model discloses a theory of operation does: firstly, a sucker rod is guided into a first hydraulic holding clamp 5 and a second hydraulic holding clamp 7 by a guide wheel 2, when a centralizer is positioned at the middle position of the first hydraulic holding clamp 5 and the second hydraulic holding clamp 7, a first motor 8 and a second motor 9 are operated, so that the breaking cutter blocks 6 symmetrically arranged on the first hydraulic holding clamp 5 clamp the sucker rod, and simultaneously, the clamping part of the second hydraulic holding clamp 7 clamps the sucker rod; then the hydraulic cylinder 3 is operated, so that the piston rod 31 pushes the first hydraulic holding clamp 5 to move towards the second hydraulic holding clamp 7, and then the cutting knife block 6 is used for cutting off the centralizer, namely the centralizer is split and broken, and the sucker rod falls off. In the process, the sucker rod can be led in from the guide wheel 2 at the left end/right end and led out from the guide wheel 2 at the right end/left end, so that the sucker rod is simple in structure, time-saving and labor-saving.

This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (3)

1. Sucker rod centralizer breaker, including frame (1), its characterized in that: a hydraulic cylinder (3), a first hydraulic holding clamp (5) and a second hydraulic holding clamp (7) are sequentially arranged along the top of the longitudinal center of the rack (1); a guide rail (4) is arranged on the longitudinal inner side of the rack (1), and a first hydraulic holding clamp (5) is installed on the guide rail (4) through a first holding clamp base and is driven by a hydraulic cylinder (3) to move longitudinally and horizontally along the guide rail (4); the second hydraulic holding clamp (7) is arranged on the frame (1) through a second holding clamp base;

a cutter block mounting groove is formed in the longitudinal inner side of the first hydraulic holding clamp (5), and the breaking cutter block (6) is detachably mounted in the cutter mounting groove;

an arc-shaped groove which penetrates through the breaking cutter block (6) and is matched with the outer diameter of the sucker rod is arranged on the longitudinal inner side of the breaking cutter block (6), and a conical blade is arranged at the front end of the breaking cutter block (6);

the two ends of the rack (1) are provided with guide wheels (2) which are used for supporting the sucker rod and guiding the sucker rod into a first hydraulic holding clamp (5) and a second hydraulic holding clamp (7), and the guide wheels (2) are distributed at the longitudinal center of the rack (1).

2. The sucker rod centralizer crusher of claim 1, wherein: the frame (1) is of a frame structure, and the bottoms of four legs of the frame (1) are connected with stabilizing blocks (11).

3. The sucker rod centralizer crusher of claim 1 or 2, wherein: the top of the frame (1) is also provided with a first motor (8) and a second motor (9);

the first motor (8) and the first hydraulic holding clamp (5) are coaxially distributed, and the first hydraulic holding clamp (5) is driven by the first motor (8) to clamp and separate the sucker rod;

the second motor (9) and the second hydraulic holding clamp (7) are coaxially distributed, and the second hydraulic holding clamp (7) is driven by the second motor (9) to clamp and separate the sucker rod.

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