CN220336843U - Hollow sucker rod clamping device - Google Patents

Abstract

The utility model discloses a hollow sucker rod clamping device which comprises a first clamping piece, wherein a first clamping groove is formed in the inner wall of the first clamping piece, a second clamping piece is arranged outside the first clamping piece, the outer surface of the first clamping piece is contacted with the outer surface of the second clamping piece, a second clamping groove is formed in the inner wall of the second clamping piece, two first sealing gaskets are fixedly arranged on the inner wall of the first clamping piece, and two second sealing gaskets are fixedly arranged on the inner wall of the second clamping piece. The device can be used for clamping the convex parts at the two ends of the two hollow sucker rods together through the first clamping groove and the second clamping groove, and the protection and sealing of the hollow sucker rods can be realized through the second sealing gasket of the first sealing gasket of the inner wall of the first connecting piece and the second sealing gasket of the inner wall of the second connecting piece, so that the abrasion of the connecting part of the hollow sucker rods and the leakage of oil gas can be avoided in the using process, and the connecting mode of the device is more convenient and has higher stability.

Description

Hollow sucker rod clamping device

Technical Field

The utility model relates to the technical field of oil and gas exploitation, in particular to a clamping device for a hollow sucker rod.

Background

With the continuous development of oil fields, the types of oil reservoirs are more and more complex, correspondingly, lifting process systems applied to oil and gas exploitation are also gradually diversified, wherein some lifting process systems take hollow sucker rods as main extraction components, the lifting process systems with the hollow sucker rods can increase oil well process channels, steam, hot water, hot oil and the like can be injected into a shaft through the channels, cables and the like can be further introduced through the channels, thus meeting the oil and gas exploitation requirements, the existing lifting process systems with the hollow sucker rods generally further comprise an oil pumping unit, a rope hanger, a clamp and a solid rod, wherein the solid rod is connected to the hollow sucker rods, the clamp is clamped to the solid rod, the rope hanger is respectively connected with the clamp and the oil pumping unit, and the oil pumping unit drives the hollow sucker rods to operate through the rope hanger.

However, because the clamp is indirectly connected with the hollow sucker rod through the solid rod in the lifting process system, the connection mode is complex in operation, and because potential safety hazards exist in connection between the hollow sucker rod and the solid rod, the connection stability is poor.

Disclosure of Invention

The utility model aims to provide a clamping device for a hollow sucker rod, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a hollow sucker rod joint device, includes first joint spare, first draw-in groove has been seted up to the inner wall of first joint spare, the outside of first joint spare is equipped with the second joint spare, the surface of first joint spare contacts with the surface of second joint spare, the second draw-in groove has been seted up to the inner wall of second joint spare, the inner wall fixed mounting of first joint spare has two first sealed pads, the inner wall fixed mounting of second joint spare has two sealed pads of second.

In a further embodiment, the left side surface of the first clamping piece and the right side surface of the first clamping piece are fixedly provided with two first fixing blocks, and the outer surface of each first fixing block is provided with a first fixing hole.

In a further embodiment, the left side surface of the second clamping piece and the right side surface of the second clamping piece are fixedly provided with two second fixing blocks, and the outer surface of each second fixing block is provided with a second fixing hole.

In a further embodiment, a fastening bolt is disposed at the outer portion of each first fixing block, one end of each fastening bolt penetrates through the first fixing hole and the second fixing hole and extends to the outer portion of the second fixing block, and one end of each fastening bolt is in threaded connection with a drop-proof nut.

In a further embodiment, a product identifier is arranged outside the second clamping piece, and the outer surface of the product identifier is fixedly installed with the outer surface of the second clamping piece.

In a further embodiment, the two first gaskets and the two second gaskets are made of high-fluorine rubber.

Compared with the prior art, the utility model has the beneficial effects that:

the device is provided with the first clamping groove on the inner wall of the first connecting piece and the second clamping groove on the inner wall of the second connecting piece, so that the convex parts at the two ends of the two hollow sucker rods can be clamped together through the first clamping groove and the second clamping groove, the protection and sealing of the hollow sucker rods can be realized through the second sealing gasket of the first sealing gasket of the inner wall of the first connecting piece, abrasion of the connecting part of the hollow sucker rods and leakage of oil gas can be avoided in the using process, and the connecting mode of the device is more convenient and has higher stability.

Drawings

FIG. 1 is a schematic three-dimensional view of a hollow sucker rod clamping device.

FIG. 2 is a side view of a hollow sucker rod clamping device.

FIG. 3 is a side cross-sectional view of a first fixed block of the hollow sucker rod clamping device.

FIG. 4 is a side view of a hollow sucker rod clamping device.

In the figure: 1. a first clamping piece; 2. a second clamping groove; 3. a first fixed block; 4. a second clamping piece; 5. product identification; 6. a second fixed block; 7. a fastening bolt; 8. a second gasket; 9. a first gasket; 10. a drop-proof nut; 11. a first fixing hole; 12. a second fixing hole; 13. a first clamping groove.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, 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 can be understood by those of ordinary skill in the art in a specific case.

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.

Referring to fig. 1-4, in the utility model, a hollow sucker rod clamping device comprises a first clamping piece 1, wherein a first clamping groove 13 is formed in the inner wall of the first clamping piece 1, a second clamping piece 4 is arranged outside the first clamping piece 1, the outer surface of the first clamping piece 1 is contacted with the outer surface of the second clamping piece 4, a second clamping groove 2 is formed in the inner wall of the second clamping piece 4, two first sealing gaskets 9 are fixedly arranged on the inner wall of the first clamping piece 1, and two second sealing gaskets 8 are fixedly arranged on the inner wall of the second clamping piece 4.

The left side face of the first clamping piece 1 and the right side face of the first clamping piece 1 are fixedly provided with two first fixing blocks 3, the outer surface of each first fixing block 3 is provided with a first fixing hole 11, the two first fixing blocks 3 are fixedly installed on the left side face and the right side face of the first clamping piece 1 respectively, the outer surface of each first fixing block 3 is provided with a first fixing hole 11, the first clamping piece 1 and the second clamping piece 4 are conveniently and subsequently fastened and assembled together, the left side face of the second clamping piece 4 and the right side face of the second clamping piece 4 are fixedly provided with two second fixing blocks 6, the outer surface of each second fixing block 6 is provided with a second fixing hole 12, the two second fixing blocks 6 are fixedly installed on the left side face and the right side face of the second clamping piece 4 respectively, and the outer surface of each second fixing block 6 is provided with a second fixing hole 12, and the first clamping piece 1 and the second clamping piece 4 are conveniently and subsequently fastened and assembled together.

The outside of every first fixed block 3 all is equipped with fastening bolt 7, the one end of every fastening bolt 7 all runs through first fixed orifices 11 and second fixed orifices 12 and extends to the outside of second fixed block 6, the one end of every fastening bolt 7 all threaded connection has anticreep nut 10, run through first fixed orifices 11 and second fixed orifices 12 through fastening bolt 7, and with anticreep nut 10 threaded connection, make can make first joint 1 and second joint 4 closely assemble together, the outside of second joint 4 is equipped with product sign 5, the surface of product sign 5 and the surface fixed mounting of second joint 4, the basic information of the device has been printed to the surface of product sign 5, make things convenient for the staff to use the device, two first sealing pads 9 and two second sealing pads 8 that adopt high fluorine rubber material to make have better chemical resistance and resilience with the first sealing pad 9 and the second sealing pad 8 that the high fluorine rubber material.

The working principle of the utility model is as follows:

the first clamping piece 1 is attached to two ends of two hollow sucker rods, protrusions at two ends of the two hollow sucker rods are clamped with the inner wall of a first clamping groove 13 formed in the inner wall of the first clamping piece 1, then the inner wall of a second clamping groove 2 formed in the inner wall of the second clamping piece 4 is clamped, then the two first sealing gaskets 9 and the two second sealing gaskets 8 are tightly attached to the hollow sucker rods through four fastening bolts 7 and anti-falling nuts 10.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. A hollow sucker rod joint device which characterized in that: including first joint spare (1), first draw-in groove (13) have been seted up to the inner wall of first joint spare (1), the outside of first joint spare (1) is equipped with second joint spare (4), the surface of first joint spare (1) contacts with the surface of second joint spare (4), second draw-in groove (2) have been seted up to the inner wall of second joint spare (4), the inner wall fixed mounting of first joint spare (1) has two first sealed pads (9), the inner wall fixed mounting of second joint spare (4) has two sealed pads (8).

2. The hollow sucker rod clamping device according to claim 1, wherein: the left side face of the first clamping piece (1) and the right side face of the first clamping piece (1) are fixedly provided with two first fixing blocks (3), and the outer surface of each first fixing block (3) is provided with a first fixing hole (11).

3. The hollow sucker rod clamping device according to claim 1, wherein: two second fixing blocks (6) are fixedly arranged on the left side face of the second clamping piece (4) and the right side face of the second clamping piece (4), and second fixing holes (12) are formed in the outer surface of each second fixing block (6).

4. The hollow sucker rod clamping device according to claim 2, wherein: every the outside of first fixed block (3) all is equipped with fastening bolt (7), every fastening bolt (7) one end all runs through first fixed orifices (11) and second fixed orifices (12) and extends to the outside of second fixed block (6), every fastening bolt (7) one end all threaded connection has anticreep nut (10).

5. The hollow sucker rod clamping device according to claim 1, wherein: the outside of second joint spare (4) is equipped with product sign (5), the surface of product sign (5) and the surface fixed mounting of second joint spare (4).

6. The hollow sucker rod clamping device according to claim 1, wherein: the two first sealing gaskets (9) and the two second sealing gaskets (8) are made of high-fluorine rubber.