CN220434704U

CN220434704U - Portable rotary blowout preventer driving device

Info

Publication number: CN220434704U
Application number: CN202322106925.1U
Authority: CN
Inventors: 刘勇; 陈星颖; 徐军; 谢志军; 陈帅
Original assignee: Chengdu Tiansheng Drilling And Production Equipment Co ltd
Current assignee: Chengdu Tiansheng Drilling And Production Equipment Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-02-02
Anticipated expiration: 2033-08-07

Abstract

The utility model belongs to the technical field of rotary blowout preventers, and discloses a portable rotary blowout preventer driving device which comprises an upper outer cylinder, wherein an upper sealing cover is arranged on the upper outer cylinder, an upper rubber core is arranged in the upper outer cylinder, the upper rubber core is connected with the upper sealing cover, a regular hexagon limiting hole is formed in the upper sealing cover, a regular hexagon driving connecting block is arranged in the limiting hole, a connecting hole for connecting a drill rod is formed in the driving connecting block, the driving connecting block comprises a first connecting half block and a second connecting half block, and the first connecting half block is connected with the second connecting half block through a first bolt. According to the utility model, the driving connecting block can be quickly replaced when the drill rod is replaced on site, so that the non-production time is shortened.

Description

Portable rotary blowout preventer driving device

Technical Field

The utility model belongs to the technical field of rotary blowout preventers, and particularly relates to a portable rotary blowout preventer driving device.

Background

The traditional passive rotary blowout preventer mainly depends on friction between a drill rod and a rubber core, and a driving clamping groove arranged at the top end of an upper sealing cover joint is connected with corresponding driving arranged on the drill rod, such as the structure of the driving clamping groove adopted by the utility model patent with publication numbers of CN206448792U, CN212105821U and CN212177102U, but the structure has the problems of high processing difficulty, difficult replacement and the like. For another patent, the utility model disclosed in publication number CN116146137a, the rotation control head is driven to rotate by static friction between the drill rod and the rubber core, and the rotation is unstable by static friction and is easily converted into sliding friction.

Disclosure of Invention

The present utility model aims to solve the above technical problems at least to some extent. To this end, the present utility model aims to provide a portable rotary blowout preventer drive.

The technical scheme adopted by the utility model is as follows:

the utility model provides a portable rotatory preventer drive arrangement, including upper portion urceolus, install upper portion closing cap on the upper portion urceolus, be equipped with the upper portion in the upper portion urceolus and glue the core, upper portion glues the core and links to each other with the upper portion closing cap, is equipped with regular hexagon's spacing hole on the upper portion closing cap, installs regular hexagon's drive connecting block in the spacing hole, is equipped with the connecting hole that is used for linking to each other with the drilling rod in the drive connecting block, and the drive connecting block includes first connection half and second connection half, and first connection half and second connection half link to each other through first bolt.

Preferably, a plurality of through holes are uniformly distributed on the circumference of the lower part of the upper sealing cover, wire planting bolts are installed in the through holes, and the wire planting bolts are connected with the upper rubber core. An O-shaped sealing ring is arranged on the outer wall of the upper sealing cover and is in sealing contact with the inner wall of the upper outer cylinder.

Preferably, the upper cover is mounted on the upper outer cylinder by a second bolt. And a lifting screw is arranged on the upper end surface of the upper sealing cover. The lower end of the upper outer cylinder is connected with the central tube through an inner hexagonal cylindrical head bolt.

The beneficial effects of the utility model are as follows:

the portable rotary blowout preventer driving device provided by the utility model can use the corresponding driving connection blocks according to the types and the sizes of the drill rods used in actual use on site, the shapes and the sizes of the peripheral sides of the driving connection blocks are consistent, only the shapes and the sizes of the connection holes are different, and the driving connection blocks comprise two connection half blocks connected by bolts.

Drawings

FIG. 1 is a schematic diagram of the portable rotary blowout preventer drive of the present utility model.

FIG. 2 is a cross-sectional view of a portable rotary blowout preventer drive of the present utility model.

Fig. 3 is a top view of the upper closure of the present utility model.

FIG. 4 is a schematic diagram of a drive connection block in an embodiment.

Fig. 5 is a schematic view of the installation of the drive connection block of the present utility model.

Fig. 6 is a schematic diagram of a drive connection block in another embodiment.

In the figure: 1-an upper outer cylinder; 2-an upper cover; 3-upper rubber core; 4-limiting holes; 5-driving a connecting block; 51-first connection half; 52-a second connection half; 53-a first bolt; 6-connecting holes; 7-O-shaped sealing rings; 8-a second bolt; 9-eye screw.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for understanding as indicating or implying a relative importance.

The utility model will be further described with reference to the drawings and specific examples.

As shown in fig. 1 to 5, a portable rotary blowout preventer driving device according to the present embodiment includes an upper outer cylinder 1, an upper rubber core 3 is connected to an upper cover 2 by a wire-planting bolt, the upper cover 2 is connected to the upper outer cylinder 1 by a second bolt 8, and an O-ring 7,O type sealing ring 7 is provided on an outer wall of the upper cover 2 to be in sealing contact with an inner wall of the upper outer cylinder 1. The upper outer cylinder 1 is connected to the central tube by means of an inner hexagonal cylindrical head bolt and is sealed by means of a sealing ring.

The upper sealing cover 2 is provided with a regular hexagon limiting hole 4, a regular hexagon driving connecting block 5 is arranged in the limiting hole 4, the size of the limiting hole 4 is approximately the same as that of the driving connecting block 5, and a connecting hole 6 used for connecting with a drill rod is arranged in the driving connecting block 5. In this embodiment, the connection hole 6 is a regular hexagon, which is suitable for connection to a hexagonal drill rod.

The drive connection block 5 includes a first connection half 51 and a second connection half 52, the first connection half 51 and the second connection half 52 being connected by a first bolt 53. Specifically, the first connecting half block 51 is provided with a countersink of the head of the hexagon socket head cap screw, and the connecting end surface of the second connecting half block 52 is provided with a bolt hole.

Specifically, the first bolt adopts an inner hexagonal cylindrical head bolt, and the second bolt adopts an M20 hexagonal head bolt. The circumference of the lower part of the upper sealing cover 2 is uniformly distributed with 8 phi 22 through holes, wire planting bolts are arranged in the through holes, and the wire planting bolts are connected with the upper rubber core 3. Four M20 screw holes are uniformly distributed on the upper end face of the upper sealing cover 2, and the screw holes are provided with hanging ring screws 9.

In another embodiment, as shown in fig. 6, the connection hole 6 of the drive connection block 5 is square, which is adapted to be connected to a square drill rod.

The portable rotary blowout preventer driving device can replace different driving connecting blocks, such as a hexagonal drill rod driving connecting block, a square drill rod driving connecting block and the like, according to actual working conditions when in field use, and is specifically determined by the type of the drill rod and the size of the drill rod; the operation is changed conveniently, and the drive connecting block is convenient and portable, can shorten non-production time by a wide margin, improves work efficiency.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.

Claims

1. The utility model provides a portable rotatory preventer drive arrangement, includes upper portion urceolus (1), installs upper portion closing cap (2) on upper portion urceolus (1), is equipped with upper portion gum core (3) in upper portion urceolus (1), and upper portion gum core (3) link to each other with upper portion closing cap (2), its characterized in that: be equipped with regular hexagon's spacing hole (4) on upper portion closing cap (2), install regular hexagon's drive connecting block (5) in spacing hole (4), be equipped with in drive connecting block (5) be used for with drilling rod continuous connecting hole (6), drive connecting block (5) are including first connection half (51) and second connection half (52), first connection half (51) and second connection half (52) link to each other through first bolt (53).

2. The portable rotary blowout preventer drive of claim 1, wherein: the connecting holes (6) are regular hexagons or squares.

3. The portable rotary blowout preventer drive according to claim 1 or 2, wherein: the circumference of the lower part of the upper sealing cover (2) is uniformly provided with a plurality of through holes, wire planting bolts are arranged in the through holes, and the wire planting bolts are connected with the upper rubber core (3).

4. The portable rotary blowout preventer drive according to claim 1 or 2, wherein: an O-shaped sealing ring (7) is arranged on the outer wall of the upper sealing cover (2), and the O-shaped sealing ring (7) is in sealing contact with the inner wall of the upper outer cylinder (1).

5. The portable rotary blowout preventer drive according to claim 1 or 2, wherein: the upper sealing cover (2) is mounted on the upper outer cylinder (1) through a second bolt (8).

6. The portable rotary blowout preventer drive according to claim 1 or 2, wherein: and a lifting screw (9) is arranged on the upper end surface of the upper sealing cover (2).

7. The portable rotary blowout preventer drive according to claim 1 or 2, wherein: the lower end of the upper outer cylinder (1) is connected with the central tube through an inner hexagonal cylindrical head bolt.