CN216341956U

CN216341956U - Ultralow-resistance ball sleeve centralizer

Info

Publication number: CN216341956U
Application number: CN202122474898.4U
Authority: CN
Inventors: 刘生龙
Original assignee: Dongguan Jinjie Precision Mould Fittings Co ltd
Current assignee: Dongguan Jinjie Precision Mould Fittings Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-04-19
Anticipated expiration: 2031-10-14

Abstract

The utility model relates to the technical field of casing centralizers, in particular to an ultra-low resistance ball casing centralizer, which comprises a centralizer body and a buckle device, wherein a plurality of groove blocks are uniformly welded on the surface of the centralizer body, a plurality of ball bodies are uniformly clamped on the inner walls of the groove blocks, the buckle device is arranged on the surface of each groove block, the buckle device comprises a limiting rod, the limiting rod is fixedly connected with the surface of each groove block, the surface of the limiting rod is slidably connected with a clamping plate, the clamping plate is of an L-shaped structure, the clamping plate is slidably connected with the inner walls of the groove blocks, one end, far away from the groove blocks, of the limiting rod is fixedly connected with a positioning block, a sliding block is slidably connected inside the clamping plate, the surface of the sliding block is fixedly connected with a positioning rod, and the surface of the limiting rod is provided with a positioning hole. The utility model solves the problem that the clearance between the ball and the groove block is small, so that the impurities such as silt between the ball and the groove block are inconvenient to clean.

Description

Ultralow-resistance ball sleeve centralizer

Technical Field

The utility model relates to the technical field of casing centralizers, in particular to an ultra-low resistance ball casing centralizer.

Background

The casing centralizer is a structure for centralizing a casing, and can be divided into a ball casing centralizer, a roller casing centralizer and the like according to the types, and the outer surface of the casing can move relative to the inner wall, so that the effect of centralizing the casing in a wellhead can be achieved conveniently.

After using ball sleeve pipe centralizer, can have impurity such as silt on groove block inner wall and the ball on the centralizer usually, need clean the inner wall of groove block this moment, now use the method of washing usually to impurity on centralizer groove block inner wall and the ball clean, because the space between ball and the groove block inner wall is less, increased the staff to the clear efficiency of groove block inner wall, further increased the staff to the clean efficiency of groove block inner wall and ball.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a gap between a ball and a groove block is small, so that impurities such as silt between the ball and the groove block are inconvenient to clean, and provides an ultra-low resistance ball sleeve centralizer.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an ultralow ball sleeve centralizer that hinders, includes centralizer body and buckle device, the even welding in surface of centralizer body has a plurality of groove piece, the even joint of inner wall of groove piece has a plurality of ball body, the surface of groove piece is equipped with buckle device, buckle device includes the gag lever post, the gag lever post is connected with the fixed surface of groove piece, the sliding surface of gag lever post is connected with the cardboard, the cardboard is "L" shape structure, the inner wall sliding connection of cardboard and groove piece, the one end fixedly connected with locating piece of groove piece is kept away from to the gag lever post. With the cardboard card at the inner wall of groove block, can accomplish the joint to the ball body.

Preferably, the inside sliding connection of cardboard has the slider, the fixed surface of slider is connected with the locating lever, the locating hole has been seted up on the surface of gag lever post, the size of locating hole and the size looks adaptation of locating lever. The positioning rod is inserted into the inner wall of the positioning hole, so that the clamping plate can be conveniently fixed after being moved.

Preferably, the surface of the clamping plate is fixedly connected with a connecting block, and one side, close to each other, of the connecting block and the positioning rod is fixedly connected with a second spring. The setting of second spring has the drive locating lever and removes to keeping away from the connecting block direction effect.

Preferably, the surface of the circular sheet is fixedly connected with two positioning blocks, and one side of each positioning block, which is close to the clamping plate, is fixedly connected with a first spring. The setting of first spring has the effect that the pulling cardboard removes to being close to the circular slice direction.

Preferably, the inner wall of groove piece is equipped with clearly scrapes the device, clearly scrape the device including scraping the piece, scrape the inner wall that the piece is located the groove piece, scrape two telescopic links of fixed surface of piece, two the output fixedly connected with backup pad of telescopic link. The telescopic link is flexible back and forth between backup pad and scraping piece to can reach the effect of restriction moving direction between the two.

Preferably, the driving rod is inserted into the internal thread of the supporting plate and is rotatably connected with the inside of the scraping block, and the rotating block is fixedly connected with one end, far away from the scraping block, of the driving rod. The driving rod is rotated to achieve the effect of driving the supporting plate and the scraping block to move relatively.

Preferably, the surface of the scraping block is provided with a plurality of tooth sockets, and the tooth sockets are uniformly arranged on the surface of the scraping block. The tooth grooves are arranged to facilitate the scraping of the corner positions of the inner walls of the groove blocks.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. in the utility model, by arranging the buckle device, when the silt impurities on the inner wall of the groove block and the ball body need to be cleaned, the positioning rod is pulled out from the inner wall of the positioning hole, the clamping plates are pulled out from the inner wall of the groove block under the action of the tensile force of the first spring on the positioning block, and the ball body can be taken out from the inner wall of the groove block by a worker, so that the inner wall of the groove block and the ball body can be conveniently cleaned, after the cleaning is finished, the ball body is clamped into the inner wall of the groove block, the two pressing blocks are pressed towards one side close to each other, when the positioning rod moves to the position corresponding to the positioning hole, the positioning rod is clamped into the inner wall of the positioning hole under the elastic force of the second spring on the connecting block, the fixing of the clamping plates after the movement of the positions of the clamping plates is further finished, the two clamping plates can clamp the ball, the normal use of the centralizer body is facilitated, by arranging the buckle device, the mode that utilizes the buckle is gone into the groove piece inner wall with the ball body card, has made things convenient for getting of ball body follow groove piece inner wall to put, has further made things convenient for the cleanness to groove piece inner wall and ball body, has reduced the frictional force between ball body and the inner wall, has reduced the resistance between centralizer body and the inner wall.

2. According to the cleaning device, when the wall corner position of the groove block needs to be cleaned, the ball body on the inner wall of the groove block is taken out, the scraping block and the support plate are sleeved into the inner wall of the groove block, the rotating block is rotated, the rotating block can drive the drive rod to rotate inside the scraping block, so that the effect of driving the support plate and the scraping block to move relatively can be achieved, the rotating block can be stopped from rotating until the support plate moves to the position supporting the inner wall of the groove block, the scraping block can slide on the inner wall of the groove block at the moment, the cleaning of the corner position of the inner wall of the groove block is facilitated, the effect of cleaning the wall corner position is improved due to the arrangement of the tooth grooves in the scraping block, and the cleaning effect of the inner wall of the groove block is improved due to the arrangement of the cleaning device.

Drawings

FIG. 1 is a schematic perspective view of an ultra-low resistance ball-in-tube centralizer according to the present invention;

FIG. 2 is a schematic structural diagram of a snap-fit device in an ultra-low resistance ball-in-tube centralizer according to the present invention;

FIG. 3 is a schematic view of the structure at A of FIG. 2 in an ultra-low resistance ball-in-tube centralizer in accordance with the present invention;

FIG. 4 is a schematic view of the structure at B of FIG. 2 in an ultra-low resistance ball-in-tube centralizer according to the present invention;

fig. 5 is a schematic structural diagram of a scraping device in an ultra-low resistance ball-in-tube centralizer according to the present invention.

Illustration of the drawings:

1. a centralizer body; 2. a groove block; 3. a buckle device; 301. clamping a plate; 302. a limiting rod; 303. a circular sheet; 304. positioning blocks; 305. a first spring; 306. positioning a rod; 307. connecting blocks; 308. a slider; 309. a second spring; 310. positioning holes; 4. a scraping device; 41. scraping the block; 42. a support plate; 43. a telescopic rod; 44. a drive rod; 45. rotating the block; 46. a tooth socket; 5. a ball body.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an ultralow ball sleeve centralizer that hinders, includes centralizer body 1 and buckle device 3, and the even welding in surface of centralizer body 1 has a plurality of groove piece 2, and the even joint of inner wall of groove piece 2 has a plurality of ball body 5, and the surface of groove piece 2 is equipped with buckle device 3, and the inner wall of groove piece 2 is equipped with clearly scrapes device 4.

The specific arrangement and function of the snap means 3 and the scraping means 4 will be described in detail below.

In this embodiment: buckle device 3 includes gag lever post 302, and gag lever post 302 is connected with the fixed surface of groove block 2, and the sliding surface of gag lever post 302 is connected with cardboard 301, and cardboard 301 is "L" shape structure, cardboard 301 and the inner wall sliding connection of groove block 2, and the one end fixedly connected with locating piece 304 of groove block 2 is kept away from to gag lever post 302. With cardboard 301 card at the inner wall of groove block 2, can accomplish the joint to ball body 5.

Specifically, the inside sliding connection of cardboard 301 has slider 308, and the fixed surface of slider 308 is connected with locating lever 306, and locating hole 310 has been seted up on the surface of gag lever post 302, and the size of locating hole 310 and the size looks adaptation of locating lever 306. The positioning rod 306 is inserted into the inner wall of the positioning hole 310, so that the clamping plate 301 can be fixed after being moved.

Specifically, a connecting block 307 is fixedly connected to the surface of the clamping plate 301, and a second spring 309 is fixedly connected to a side where the connecting block 307 and the positioning rod 306 are close to each other.

In this embodiment: the second spring 309 is provided to have an effect of driving the positioning rod 306 to move in a direction away from the connection block 307.

Specifically, two positioning blocks 304 are fixedly connected to the surface of the circular plate 303, and a first spring 305 is fixedly connected to the side where the positioning blocks 304 and the clamping plate 301 are close to each other. The provision of the first spring 305 has the effect of pulling the catch plate 301 towards the circular piece 303.

In this embodiment: the cleaning and scraping device 4 comprises a scraping block 41, the scraping block 41 is located on the inner wall of the groove block 2, two telescopic rods 43 are fixedly connected to the surface of the scraping block 41, and supporting plates 42 are fixedly connected to the output ends of the two telescopic rods 43. The telescopic rod 43 extends back and forth between the supporting plate 42 and the scraping block 41, so that the effect of limiting the moving direction between the two can be achieved.

Specifically, a driving rod 44 is inserted into an internal thread of the supporting plate 42, the driving rod 44 is rotatably connected with the inside of the scraping block 41, and a rotating block 45 is fixedly connected to one end of the driving rod 44 far away from the scraping block 41. The driving rod 44 is rotated to effect a relative movement between the supporting plate 42 and the scraping block 41.

Specifically, the surface of the scraping block 41 is provided with a plurality of tooth grooves 46, and the tooth grooves 46 are uniformly formed in the surface of the scraping block 41.

In this embodiment: the arrangement of the tooth grooves 46 facilitates the scraping of the corner positions of the inner wall of the groove block 2.

The working principle is as follows: when the silt impurities on the inner wall of the groove block 2 and the ball body 5 need to be cleaned, the positioning rod 306 is pulled out from the inner wall of the positioning hole 310, at the moment, the clamping plate 301 is pulled out from the inner wall of the groove block 2 under the action of the pulling force of the first spring 305 on the positioning block 304, at the moment, the ball body 5 can be taken out from the inner wall of the groove block 2 by a worker, so that the cleaning of the inner wall of the groove block 2 and the ball body 5 is facilitated, after the cleaning is finished, the ball body 5 is clamped into the inner wall of the groove block 2, the two pressing blocks are pressed towards the sides close to each other, when the positioning rod 306 moves to the position corresponding to the positioning hole 310, the positioning rod 306 is clamped into the inner wall of the positioning hole 310 under the elastic force of the second spring 309 on the connecting block 307, the fixing of the clamping plate 301 after the position moving is further completed, at the moment, the ball is clamped by the two clamping plates 301, the normal use of the centralizer body 1 is facilitated, when the position of the wall corner of the groove block 2 needs to be cleaned, after taking out the ball body 5 of 2 inner walls in groove block, scrape behind the inner wall of 41 and backup pad 42 cover income groove block 2, rotate commentaries on classics piece 45, commentaries on classics piece 45 can drive actuating lever 44 and rotate scraping the inside of 41, thereby can reach drive backup pad 42 and scrape the effect that takes place relative motion between the piece 41, when moving to the position of supporting at groove block 2 inner wall until backup pad 42, can stall commentaries on classics piece 45, can scrape piece 41 in the inner wall slip of groove block 2 this moment, thereby made things convenient for the clearance to 2 inner wall corner position mud pieces in groove block, scrape setting up of fluted groove 46 on 41 and improved the clear effect to wall angle position, scrape device 4 through setting up clearly, scrape the position of 2 inner wall corners in groove block, the clearance effect to 2 inner walls in groove block is improved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides an ultralow ball sleeve centralizer that hinders, includes centralizer body (1), circular sheet (303) and buckle device (3), its characterized in that: the surface of centralizer body (1) evenly welds has a plurality of groove piece (2), the even joint of inner wall of groove piece (2) has a plurality of ball body (5), the surface of groove piece (2) is equipped with buckle device (3), buckle device (3) include gag lever post (302), gag lever post (302) are connected with the fixed surface of groove piece (2), the sliding surface of gag lever post (302) is connected with cardboard (301), cardboard (301) are "L" shape structure, the inner wall sliding connection of cardboard (301) and groove piece (2), the one end fixedly connected with locating piece (304) of groove piece (2) are kept away from in gag lever post (302).

2. The ultra-low drag ball-in-tube centralizer of claim 1 wherein: the inside sliding connection of cardboard (301) has slider (308), the fixed surface of slider (308) is connected with locating lever (306), locating hole (310) have been seted up on the surface of gag lever post (302), the size of locating hole (310) and the size looks adaptation of locating lever (306).

3. The ultra-low drag ball-in-tube centralizer of claim 2 wherein: the surface of the clamping plate (301) is fixedly connected with a connecting block (307), and one side, close to each other, of the connecting block (307) and the positioning rod (306) is fixedly connected with a second spring (309).

4. The ultra-low drag ball-in-tube centralizer of claim 1 wherein: the surface of the circular sheet (303) is fixedly connected with two positioning blocks (304), and one sides of the positioning blocks (304) and the clamping plate (301) close to each other are fixedly connected with first springs (305).

5. The ultra-low drag ball-in-tube centralizer of claim 1 wherein: the inner wall of groove piece (2) is equipped with clearly scrapes device (4), it includes scraping piece (41) to clearly scrape device (4), scrape the inner wall that piece (41) are located groove piece (2), scrape two telescopic links (43), two of the fixed surface of piece (41) be connected with, two the output fixedly connected with backup pad (42) of telescopic link (43).

6. The ultra-low drag ball-in-tube centralizer of claim 5, wherein: the inside screw thread of backup pad (42) is inserted and is equipped with actuating lever (44), actuating lever (44) are connected with the inside rotation of scraping piece (41), one end fixedly connected with commentaries on classics piece (45) of scraping piece (41) are kept away from to actuating lever (44).

7. The ultra-low drag ball-in-tube centralizer of claim 5, wherein: a plurality of tooth sockets (46) are formed in the surface of the scraping block (41), and the tooth sockets (46) are uniformly formed in the surface of the scraping block (41).