CN215979230U

CN215979230U - Prevent cladding rod of type of scraping

Info

Publication number: CN215979230U
Application number: CN202121119215.7U
Authority: CN
Inventors: 赵涛涛; 王汝滨; 李建; 刘文浩
Original assignee: Binzhou Huawen Machinery Co ltd
Current assignee: Binzhou Huawen Machinery Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-03-08
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a scratch-proof cladding rod, wherein an upper spiral ring is spirally wound at the upper position outside the rod body of the cladding rod, a lower spiral ring is spirally wound at the lower position outside the rod body of the cladding rod, the outer side surfaces of the upper spiral ring and the lower spiral ring are both provided with smooth chamfers, and the spiral directions of the upper spiral ring and the lower spiral ring are the same, the utility model uniformly arranges the upper spiral ring and the lower spiral ring outside the rod body of the cladding rod, replaces the cladding rod body to be contacted with the wall of an oil well through the upper spiral ring and the lower spiral ring, prevents the cladding rod body from scraping and wearing, simultaneously enables the cladding rod body to slide more smoothly in the process of going down the well through the spiral design of the upper spiral ring and the lower spiral ring, so that the cladding rod body can better work down the well, and can provide a supporting function on two sides of the cladding rod body through a connecting seat, a flow guide lug and the smooth lug, so that the rod body of the cladding rod is more stable when going into the well.

Description

Prevent cladding rod of type of scraping

Technical Field

The utility model relates to the technical field of cladding rods, in particular to a scratch-resistant cladding rod.

Background

At present, most of oil field production wells adopt rod oil extraction, the mineralization and the content of corrosive media in well fluid are increased along with the increasing of the proportion of water injection wells, inclined wells, directional wells, horizontal wells and the like, the rod body of a traditional sucker rod is made of metal materials, and the surface of the traditional sucker rod is lack of a necessary protective layer, so that the surface of the sucker rod is easy to scrape, the sucker rod is easy to rub with an oil pipe in the continuous reciprocating movement process to cause eccentric wear, and the eccentric wear, scraping and corrosion damage of the sucker rod are more serious especially in the oil extraction operation of the inclined wells and the horizontal wells;

the existing coating sucker rod generally increases the scratch-resistant and wear-resistant performance of the sucker rod in the actual working process by adding the protective layer on the outer side of the rod body, but the service life of the protective layer is limited, and the protective layer is inconvenient to replace when being seriously worn, in addition, the scratch-resistant and wear-resistant performance of the rod body is improved through the protective layer, and when the protective layer cannot bear scratch and friction, the protective layer is damaged, and the rod body can be directly damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a scratch-resistant type cladding rod, which can effectively solve the problems that the scratch-resistant wear resistance of the existing cladding sucker rod in the prior art is improved by adding a protective layer on the outer side of the rod body generally in the actual working process, but the service life of the protective layer is limited, the protective layer is inconvenient to replace when being seriously worn, in addition, the scratch-resistant wear resistance of the rod body is improved by the protective layer, and the protective layer is damaged when being incapable of bearing scratch and friction, and the rod body is directly damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: a scratch-resistant cladding rod comprises a cladding rod body, wherein an upper spiral ring is spirally wound at a position above the outer side of the cladding rod body, a lower spiral ring is spirally wound at a position below the outer side of the cladding rod body, the outer side surfaces of the upper spiral ring and the lower spiral ring are both smooth and chamfered, the spiral directions of the upper spiral ring and the lower spiral ring are the same, two ends of the cladding rod body are respectively fixedly connected with a connecting seat for splicing connection, flow guide lugs are uniformly welded at equal intervals in the circumferential direction of the edge part of the outer side of the connecting seat, and the middle part of the outer surface of each flow guide lug is provided with a smooth lug;

the connecting seat end fixedly connected with connecting rod, connecting rod outside screw thread has connect the connecting hoop seat soon, the connecting seat tip is located the inseparable lug of fixedly connected with joint of connecting rod outside position department, the inboard limit portion of connecting hoop seat all has seted up with the inseparable lug department of joint and has agreed upon the joint groove, and the inboard limit portion of connecting hoop seat is connected with the extrusion rubber backing ring with the junction embedding at the inseparable lug top of joint.

Preferably, the middle part of the outer surface of the diversion bump is provided with a tight embedding groove, and the smooth bump is tightly embedded in the tight embedding groove.

Preferably, after the connecting rod is in threaded connection with the connecting hoop seat, the clamping tight convex block is tightly embedded in the fit clamping groove, and an arc-shaped surface is arranged on the inner side of the fit clamping groove and close to the clamping tight convex block.

Preferably, the inboard limit portion of coupling hoop seat is connected with the extrusion rubber backing ring with the junction embedding at the inseparable lug top of joint, and extrusion rubber backing ring is fixed to bond in agreeing with joint inslot lateral wall, and when the connecting rod was connected with the coupling hoop seat, extrusion rubber backing ring and the inseparable lug top in close contact with of joint.

Preferably, a protective sleeve is sleeved at a position between the upper spiral ring and the lower spiral ring on the outer side of the rod body of the cladding rod, wear-resistant convex rings are uniformly arranged on the surface of the outer side of the protective sleeve, a color development layer is connected to the edge part on the inner side of the protective sleeve, and a protective layer is adhered to the position, located on the edge part on the outer surface of the rod body of the cladding rod, of the inner side of the color development layer.

Preferably, the wear-resistant convex ring is made of wear-resistant rubber, the color development layer is a rubber layer with red color, and the protection layer is an anti-corrosion layer.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. through evenly setting up the helicoidal and lower helicoidal in the cladding pole body of rod outside, replace the cladding pole body of rod and the contact of the oil well wall of a well through last helicoidal and lower helicoidal with this, prevent the cladding pole body of rod itself and produce scraping and wearing and tearing with this, simultaneously through the spiral design of last helicoidal and lower helicoidal, make the cladding pole body of rod can gliding more smooth and easy in the in-process of going down the well, and then improve the smoothness degree of the cladding pole body of rod in the in-process of going down the well, so that its better work of going down the well, and through the connecting seat, water conservancy diversion lug and smooth lug can provide the effect of support in the both sides of the cladding pole body of rod, make the cladding pole body of rod more stable when going down the well, water conservancy diversion lug and smooth lug and the contact of the wall of a well simultaneously, and then further improve the abrasionproof and the resistant ability of the cladding pole body of rod.

2. Through the inseparable lug of joint, agree with joint groove and extrusion rubber backing ring can make to possess higher connection compactness when making up the concatenation between connecting rod and the connection hoop seat, cooperate the threaded connection between connecting rod and the connection hoop seat simultaneously for connecting rod and connection hoop seat are not only more convenient when connecting, have further promoted the fastness and the leakproofness of connection between them.

3. Can provide the one deck protection in the cladding pole body of rod outside through lag, wear-resisting bulge loop, color development layer and protective layer, reduce the wearing and tearing that the lag received simultaneously through wear-resisting bulge loop, conveniently receive timely warning suggestion after wearing and tearing through color development layer simultaneously to this makes things convenient for the staff to know the impaired condition of the cladding pole body of rod fast, aggravates to cause the damage to the cladding pole body of rod in case the degree of wear.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the clamping tight bump of the present invention;

FIG. 3 is a schematic structural diagram of a color-developing layer according to the present invention;

reference numbers in the figures: 1. wrapping the rod body of the rod; 2. an upper spiral ring; 3. a lower spiral ring; 4. a connecting seat; 5. a flow guide projection; 6. a smooth bump; 7. a connecting rod; 8. a connecting hoop seat; 9. clamping the tight bump; 10. the clamping groove is engaged; 11. extruding the rubber backing ring; 12. a protective sleeve; 13. a wear-resistant convex ring; 14. a color development layer; 15. and a protective layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in figures 1-3, the utility model provides a technical scheme, a scratch-resistant cladding rod, which comprises a cladding rod body 1, an upper spiral ring 2 is spirally wound at the upper position outside the cladding rod body 1, a lower spiral ring 3 is spirally wound at the lower position outside the cladding rod body 1, the outer side surfaces of the upper spiral ring 2 and the lower spiral ring 3 are both arranged in a smooth chamfer way, the spiral directions of the upper spiral ring 2 and the lower spiral ring 3 are the same, two ends of the cladding rod body 1 are fixedly connected with connecting seats 4 for splicing connection respectively, flow guide lugs 5 are uniformly welded on the outer side edge portions of the connecting seats 4 in the circumferential direction at equal intervals, smooth lugs 6 are arranged in the middle of the outer surfaces of the flow guide lugs 5, tight embedding grooves are formed in the middle of the outer surfaces of the flow guide lugs 5, the smooth lugs 6 are tightly embedded in the tight embedding grooves, the abrasion of the middle portions of the flow guide lugs 5 during sliding is conveniently reduced, and the sliding speed of the cladding rod body 1 during falling is improved;

the end part of the connecting seat 4 is fixedly connected with a connecting rod 7, the outer side of the connecting rod 7 is in threaded connection with a connecting hoop seat 8, the end part of the connecting seat 4 is positioned at the outer side of the connecting rod 7 and is fixedly connected with a clamping tight lug 9, the corresponding part of the inner side edge part of the connecting hoop seat 8 and the clamping tight lug 9 is provided with a fit clamping groove 10, after the connecting rod 7 is in threaded connection with the connecting hoop seat 8, the clamping tight lug 9 is tightly embedded in the fit clamping groove 10, the inner side of the fit clamping groove 10 is provided with an arc surface near the clamping tight lug 9, so that the clamping connection between the connecting rod 7 and the connecting hoop seat 8 is convenient, the tightness after the connection between the connecting rod 7 and the connecting hoop seat 8 is ensured, the connection part of the inner side edge part of the connecting hoop seat 8 and the top part of the clamping tight lug 9 is embedded and connected with an extrusion rubber backing ring 11, the connection part of the inner side edge part of the connecting hoop seat 8 and the top part of the clamping tight lug 9 is embedded and connected with the extrusion rubber backing ring 11, extrusion rubber backing ring 11 is fixed to be bonded in agreeing with joint groove 10 inside wall, and when connecting rod 7 is connected with connecting hoop seat 8, extrusion rubber backing ring 11 and the inseparable lug of joint 9 tops in close contact with make and possess higher connection fastening nature and leakproofness after connecting between hoop seat 8 and the connecting rod 7.

The position department has cup jointed lag 12 between the spiral ring 2 and the lower spiral ring 3 on the cladding pole body of rod 1 outside is located, lag 12 outside surface evenly is provided with wear-resisting bulge loop 13, lag 12 inboard limit portion is connected with color development layer 14, the adhesion of color development layer 14 inboard position in cladding pole body of rod 1 surface limit portion department has protective layer 15, wear-resisting bulge loop 13 is wear-resisting rubber, make wear-resisting bulge loop 13 possess higher wear-resisting effect, color development layer 14 sets up to red rubber layer for the colour, make color development layer 14 have more striking suggestion, protective layer 15 is the anticorrosion layer, the anticorrosion layer is polyethylene, make protective layer 15 play better protection to the cladding pole body of rod 1.

The working principle and the using process of the utility model are as follows: in the practical application process of the cladding rod body 1, when the cladding rod body 1 needs to be connected with connecting pipe fittings such as a coupling and the like, firstly, the cladding rod body 1 is connected with a connecting hoop seat 8 needing to be connected through a connecting seat 4 and a connecting rod 7 at the end part of the cladding rod body 1, in the connection process, the connecting rod 7 is continuously screwed into the connecting hoop seat 8 through the threaded connection between the connecting rod 7 and the connecting hoop seat 8, and when a clamping tight lug 9 at the end part of the connecting seat 4 is abutted to a conjunction clamping groove 10, the clamping tight lug 9 can gradually enter the conjunction clamping groove 10 through extrusion through the continuous screwing of the connecting rod 7, so that the clamping tight lug 9 is tightly engaged with the conjunction clamping groove 10, further, the connecting rod 7 and the connecting hoop seat 8 have higher connection tightness after connection, and simultaneously, after the connecting rod 7 is connected with the connecting hoop seat 8, the sealing performance between the connecting rod 7 and the connecting hoop seat 8 after connection can be further improved by extruding the rubber backing ring 11;

when the cladding rod body 1 goes down a well, the cladding rod body 1 is replaced by the upper spiral ring 2 and the lower spiral ring 3 which are spirally arranged on the outer side of the cladding rod body 1 to be in contact with the well wall, so that the abrasion of the cladding rod body 1 is reduced, meanwhile, the friction between the outer side of the cladding rod body 1 and the well wall can be reduced through the spiral arrangement of the upper spiral ring 2 and the lower spiral ring 3, so that the cladding rod body 1 goes down the well more smoothly, meanwhile, the abrasion resistance and the scratch resistance of the cladding rod body 1 can be further improved by combining the flow guide lug 5 and the smooth lug 6 which are arranged on the outer side of the cladding rod body 1, and the cladding rod body 1 can stably go down the well;

moreover, the protective sleeve 12 and the wear-resistant convex ring 13 outside the cladding rod body 1 can also effectively protect the cladding rod body 1, and when the protective sleeve 12 is worn, the color development layer 14 on the inner side of the protective sleeve can be exposed to red, so that a worker can be reminded of paying attention to the protective sleeve conveniently, and meanwhile, the worker can know the damaged condition of the cladding rod body 1 quickly, so that the cladding rod body 1 is prevented from being worn and aggravated, and the cladding rod body 1 is damaged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cladding pole of type of preventing scraping, includes the cladding pole body of rod (1), its characterized in that: an upper spiral ring (2) is spirally wound at a position above the outer side of the cladding rod body (1), a lower spiral ring (3) is spirally wound at a position below the outer side of the cladding rod body (1), the outer side surfaces of the upper spiral ring (2) and the lower spiral ring (3) are both smooth and chamfered, the upper spiral ring (2) and the lower spiral ring (3) have the same spiral direction, two ends of the cladding rod body (1) are respectively fixedly connected with a connecting seat (4) for splicing connection, diversion lugs (5) are welded at the outer side edge part of the connecting seat (4) in the circumferential direction at uniform and equal intervals, and smooth lugs (6) are arranged in the middle of the outer surface of the diversion lugs (5);

connecting seat (4) tip fixedly connected with connecting rod (7), connecting rod (7) outside screw thread has connect hoop seat (8) soon, connecting seat (4) tip is located the inseparable lug of fixedly connected with joint (9) of connecting rod (7) outside position department, the inboard limit portion of connecting hoop seat (8) corresponds department with the inseparable lug of joint (9) and has all seted up agreeing with joint groove (10), and the inboard limit portion of connecting hoop seat (8) is connected with extrusion rubber backing ring (11) with the junction embedding at the inseparable lug of joint (9) top.

2. A coating rod of the scratch-resistant type according to claim 1, wherein: the middle part of the outer surface of the diversion convex block (5) is provided with a tight embedding groove, and the smooth convex block (6) is tightly embedded in the tight embedding groove.

3. A coating rod of the scratch-resistant type according to claim 1, wherein: after the connecting rod (7) is in threaded connection with the connecting hoop seat (8), the clamping tight convex block (9) is tightly embedded in the conjunction clamping groove (10), and an arc-shaped surface is arranged at the position, close to the clamping tight convex block (9), of the inner side of the conjunction clamping groove (10).

4. A coating rod of the scratch-resistant type according to claim 1, wherein: the junction embedding at the inboard limit portion of connecting hoop seat (8) and the inseparable lug of joint (9) top is connected with extrusion rubber backing ring (11), and extrusion rubber backing ring (11) are fixed to be bonded in agreeing with joint groove (10) inside wall, and when connecting rod (7) is connected with connecting hoop seat (8), extrusion rubber backing ring (11) and the inseparable contact in joint lug (9) top.

5. A coating rod of the scratch-resistant type according to claim 1, wherein: the coating rod body (1) outside is located spiral ring (2) and lower spiral ring (3) between the position department cup joints lag (12) down, lag (12) outside surface evenly is provided with wear-resisting bulge loop (13), lag (12) inboard limit portion is connected with color development layer (14), and color development layer (14) inboard is located the adhesion of coating rod body (1) surface limit portion position department has protective layer (15).

6. A coating rod of scratch-resistant type according to claim 5, characterized in that: the wear-resistant convex ring (13) is made of wear-resistant rubber, the color development layer (14) is a rubber layer with red color, and the protection layer (15) is an anti-corrosion layer.