CN215369738U

CN215369738U - Rotatory guide shoe of big latus rectum

Info

Publication number: CN215369738U
Application number: CN202121662161.9U
Authority: CN
Inventors: 马国耀; 顾瀛; 赵爱杰
Original assignee: Jiangsu Huarisheng Oil And Gas Downhole Tools Co ltd
Current assignee: Jiangsu Huarisheng Oil And Gas Downhole Tools Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-31
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to the technical field of well cementation tools and discloses a large-diameter rotary guide shoe which comprises a connector, wherein one side of the connector is slidably connected with a power steering sleeve, one side of the power steering sleeve is slidably connected with a fixed sleeve, the inner wall of the fixed sleeve is slidably connected with a guide shoe head, one side of the inner wall of the fixed sleeve is fixedly provided with a base, one side of the guide shoe head is fixedly connected with a connecting column, and two sides of the outer wall of the connecting column are fixedly connected with connecting plates. Thereby causing damage to the rotary guide shoe after the rotary guide shoe is directly contacted with hard sundries.

Description

Rotatory guide shoe of big latus rectum

Technical Field

The utility model relates to the technical field of well cementation tools, in particular to a large-drift-diameter rotary guide shoe.

Background

The guide shoe is generally sleeved at the bottom opening of the casing, so that the bottom opening of the casing is prevented from being scratched, the casing is guided to enter the bottom of the well, the guide shoe is generally divided into a common casing guide shoe and an eccentric slide-hole guide shoe in the well cementation work, the common casing guide shoe has the effect that the casing is prevented from being blocked due to the fact that the casing is touched with sundries after being inserted, the eccentric guide shoe is mainly used for trimming the well wall through surface hard alloy of the guide shoe, but the eccentric guide shoe cannot rotate automatically, so that the function of the eccentric guide shoe is restrained.

Because install the rotation guide at the sheathed tube lower extreme, and because the guide head portion material of rotation guide is different, this makes the guide head in the in-process that leads to the sleeve pipe, and the rotation guide takes place to damage easily when touching stereoplasm debris, simultaneously because the installation of guide head is fixed, this makes when touching stereoplasm debris, its guide head blocks with debris easily to cause the sleeve pipe work to be obstructed, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large-diameter rotary guide shoe to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rotatory guide shoe of big latus rectum, includes the joint, one side sliding connection who connects has the power steering cover, one side sliding connection of power steering cover has fixed cover, the inner wall sliding connection of fixed cover has the guide shoe head, the fixed base that is equipped with in inner wall one side of fixed cover, the one side fixedly connected with spliced pole of guide shoe head, the equal fixedly connected with connecting plate in outer wall both sides of spliced pole, two first accommodation hole has all been seted up to one side of connecting plate, two the inner wall of first accommodation hole all alternates and is connected with the fixed column, two the one end of fixed column is the both sides side of fixed connection base respectively, the second accommodation hole has been seted up to one side center department of base, the inner wall fixedly connected with spring of second accommodation hole, one end of spring and one side fixed connection of spliced pole.

Preferably, the outer wall of the power steering sleeve is provided with a water flowing groove, and the outer wall of the power steering sleeve is fixedly provided with an alloy block.

Preferably, the inner wall fixedly connected with connecting axle of power steering cover, the outer wall cover of connecting axle is equipped with solid fixed ring.

Preferably, the outer wall of the fixing ring is fixedly connected with four rotating fan blades, every two rotating fan blades are corresponding in position, and one side of each rotating fan blade is fixedly connected with the inner wall of the power steering sleeve.

Preferably, the guide shoe head is made of wear-resistant metal.

Preferably, a side flow hole is formed at the top of each water flowing groove.

The utility model has the technical effects and advantages that:

1. this rotatory guide shoe of big latus rectum, through the installation spring, the connecting plate, the fixed column, a pedestal, first accommodation hole, the second accommodation hole makes rotatory guide shoe avoid taking place to damage after meetting stereoplasm debris, after leading the tip touching stereoplasm debris, it leads the tip to extrude the spring through driving the spliced pole, drive the connecting plate simultaneously and slide at the outer wall of spliced pole, make the tip reach flexible purpose, avoid fixed because of the position installation of leading the tip, thereby direct and stereoplasm debris contact after, cause rotatory guide shoe to take place to damage.

2. This rotatory guide shoe of big latus rectum can stretch out and draw back the characteristic through the guide shoe head for rotatory guide shoe is meetting debris back, and the anterior cambered surface of its guide shoe head is less with the area of debris contact, and then makes rotatory guide shoe break through debris more easily, improves the work efficiency of rotatory guide shoe.

Drawings

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

FIG. 2 is a schematic view of a guide shoe construction according to the present invention;

FIG. 3 is a schematic view of a connecting column according to the present invention;

fig. 4 is a schematic view of the structure of the rotary guide shoe of the present invention.

In the figure: 1. a joint; 2. a power steering sleeve; 3. fixing a sleeve; 4. guiding the shoe head; 5. a connecting plate; 6. a first accommodation hole; 7. fixing a column; 8. a base; 9. a second accommodation hole; 10. a spring; 11. alloy blocks; 12. a launder; 13. a connecting shaft; 14. a fixing ring; 15. rotating the fan blades; 16. connecting columns; 17. and a lateral flow hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution of a large-diameter rotary guide shoe:

according to the drawings 1-3, a large-drift-diameter rotary guide shoe comprises a joint 1, one side of the joint 1 is slidably connected with a power steering sleeve 2, one side of the power steering sleeve 2 is slidably connected with a fixed sleeve 3, the inner wall of the fixed sleeve 3 is slidably connected with a guide shoe head 4, a base 8 is fixedly arranged on one side of the inner wall of the fixed sleeve 3, one side of the guide shoe head 4 is fixedly connected with a connecting column 16, two outer wall sides of the connecting column 16 are fixedly connected with connecting plates 5, first accommodating holes 6 are formed in one sides of the two connecting plates 5, fixing columns 7 are penetratingly connected with the inner walls of the two first accommodating holes 6, one ends of the two fixing columns 7 are fixedly connected with two sides of the base 8 respectively, a second accommodating hole 9 is formed in the center of one side of the base 8, a spring 10 is fixedly connected with the inner wall of the second accommodating hole 9, and one end of the spring 10 is fixedly connected with one side of the connecting column 16.

According to the figures 1-4, the outer wall of the power steering sleeve 2 is provided with a water flowing groove 12, the outer wall of the power steering sleeve 2 is fixedly provided with an alloy block 11, the inner wall of the power steering sleeve 2 is fixedly connected with a connecting shaft 13, the outer wall of the connecting shaft 13 is sleeved with a fixing ring 14, the outer wall of the fixing ring 14 is fixedly connected with four rotating fan blades 15, the positions of every two rotating fan blades 15 correspond to each other, one side of each rotating fan blade 15 is fixedly connected with the inner wall of the power steering sleeve 2, the guide shoe head 4 is made of wear-resistant metal, the top of each water flowing groove 12 is provided with a lateral flow hole 17, and the alloy block 11 is arranged, so that the power steering sleeve 2 drives the alloy block 11 to rotate while rotating, and further cleans the well wall.

When the large-diameter rotary guide shoe is used, when a worker sleeves the connector 1 on the outer wall of the sleeve, the rotary guide shoe is placed into a wellhead, the rotary guide shoe guides the sleeve into a downhole port through the rotary guide shoe, water flows enter the lateral flow hole 17 and then drive the rotary fan blades 15 to rotate, so that the power steering sleeve 2 is driven to rotate, when the guide shoe head 4 touches sundries, the guide shoe head 4 drives the connecting column 16 to extrude the spring 10, the connecting column 16 moves and simultaneously drives the two connecting plates 5 to move in the same direction, the two connecting plates 5 respectively drive the inner walls of the two first accommodating holes 6 to slide on the outer wall of the fixed column 7 while moving, so that the connecting column 16 and the guide shoe head 4 approach one side of the base 8, the purpose that the guide shoe head 4 can stretch is achieved, and the position of the guide shoe head 4 is prevented from being fixed, the rotary guide shoe is obstructed after contacting hard sundries, so that the sleeve is unsmooth after being put in, and meanwhile, the rotary guide shoe is damaged after contacting the hard sundries under the influence of the work of the power rotary sleeve, so that the loss is caused.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The large-drift-diameter rotary guide shoe comprises a connector (1) and is characterized in that one side of the connector (1) is connected with a power steering sleeve (2) in a sliding mode, one side of the power steering sleeve (2) is connected with a fixing sleeve (3) in a sliding mode, the inner wall of the fixing sleeve (3) is connected with a guide shoe head (4) in a sliding mode, a base (8) is fixedly arranged on one side of the inner wall of the fixing sleeve (3), a connecting column (16) is fixedly connected to one side of the guide shoe head (4), connecting plates (5) are fixedly connected to two sides of the outer wall of the connecting column (16), first accommodating holes (6) are formed in one sides of the two connecting plates (5), fixing columns (7) are alternately inserted and connected to the inner wall of the two first accommodating holes (6), one ends of the two fixing columns (7) are fixedly connected to two sides of the base (8) respectively, and a second accommodating hole (9) is formed in the center of one side of the base (8), the inner wall of the second accommodating hole (9) is fixedly connected with a spring (10), and one end of the spring (10) is fixedly connected with one side of the connecting column (16).

2. The large-drift-diameter rotary guide shoe according to claim 1, wherein: a water flowing groove (12) is formed in the outer wall of the power steering sleeve (2), and an alloy block (11) is fixedly arranged on the outer wall of the power steering sleeve (2).

3. The large-drift-diameter rotary guide shoe according to claim 1, wherein: the inner wall fixedly connected with connecting axle (13) of power steering cover (2), the outer wall cover of connecting axle (13) is equipped with solid fixed ring (14).

4. The large-diameter rotary guide shoe according to claim 3, wherein: the outer wall fixedly connected with of solid fixed ring (14) rotates flabellum (15), every two the position of rotating flabellum (15) is corresponding, every one side of rotating flabellum (15) all with the inner wall fixed connection of power steering cover (2).

5. The large-drift-diameter rotary guide shoe according to claim 1, wherein: the guide shoe head (4) is made of wear-resistant metal.

6. The large-drift-diameter rotary guide shoe according to claim 2, wherein: and a side flow hole (17) is formed in the top of each water flowing groove (12).