CN210712796U - Self-elevating drilling platform - Google Patents

Abstract

The utility model belongs to the oil development field, concretely relates to from lift-type drilling platform, including drilling platform, install the lift stake in the drilling platform, drilling platform's upper end has the connection stake lid through threaded connection, the upper end fixedly connected with support frame of connection stake lid, the upper end fixedly connected with motor of support frame, the adapter sleeve is installed to the lower extreme of the pivot of motor, the square cover of lower extreme fixedly connected with of adapter sleeve, sliding connection has square post in the square cover, the lower extreme fixedly connected with threaded rod of square post, the threaded rod passes through threaded connection with the connection stake lid, the lower extreme fixedly connected with slip cylinder of threaded rod. This scheme adopts motor drive's auger, and the auger is installed in the bottom of lift stake, can make auger screw in seabed, and the design of cooperation stabilizer bar for it is more stable to go up and down stake and seabed to be connected, and the auger extracts the convenience moreover, is difficult for causing the phenomenon that is difficult to extract.

Description

Self-elevating drilling platform

Technical Field

The utility model belongs to the oil development field, concretely relates to from lift-type drilling platform.

Background

The self-elevating drilling platform is provided with a pile leg capable of freely elevating, the pile leg extends to the seabed during operation, stands on the seabed, and supports a hull by using the pile leg, and the bottom of the hull type drilling platform is away from the sea surface for a certain distance.

However, when the traditional lifting pile is inserted into the seabed and runs into a subsurface flow, the lifting pile is not stable enough, and can be shifted as required, and when drilling in other areas, the lifting pile still has the problem of inconvenient pulling-out, so that the lifting equipment is easy to damage, and the drilling platform is influenced. Accordingly, there is a need for improvements in the art.

Disclosure of Invention

An object of the utility model is to provide a from lift-type drilling platform, when having solved the lift stake on the drilling platform and seabed contact, it is stable inadequately to connect, when needing to remove moreover, is difficult for the problem of extracting.

In order to achieve the above object, the utility model provides a self-elevating drilling platform, which comprises a drilling platform, a lifting pile is arranged in the drilling platform, the upper end of the drilling platform is connected with a connecting pile cover through threads, the upper end of the connecting pile cover is fixedly connected with a supporting frame, the upper end of the supporting frame is fixedly connected with a motor, the lower end of the rotating shaft of the motor is provided with a connecting sleeve, the lower end of the connecting sleeve is fixedly connected with a square sleeve, a square column is connected in the square sleeve in a sliding way, the lower end of the square column is fixedly connected with a threaded rod, the threaded rod is connected with the connecting pile cover through threads, the lower end of the threaded rod is fixedly connected with a sliding cylinder, the lower end of the sliding cylinder is fixedly connected with an auger which is connected with the inner wall of the lifting pile in a sliding way, the bottom fixedly connected with stabilizer bar of lift stake, the stabilizer bar is the annular array and arranges in the outside of lift stake.

The principle of the utility model lies in: when the lifting pile is used, when the lifting pile descends, the stabilizer bar at the bottom of the lifting pile is inserted into a seabed, then the forward rotation switch of the motor is started, the rotating shaft of the motor drives the connecting sleeve to rotate, the connecting sleeve drives the square sleeve to rotate, the square sleeve drives the square column to rotate, the square column drives the threaded rod to rotate, the threaded rod and the connecting pile cover perform threaded motion to generate relative displacement, so that the threaded rod moves downwards, the threaded rod drives the square column to move downwards, the square column drives the limit nail to move downwards along the limit groove, and the threaded rod drives the sliding cylinder to rotate and move downwards at the same time, the sliding cylinder drives the packing auger to rotate and move downwards, so that the packing auger is screwed into the seabed, the lifting pile is more stable, the anti-undercurrent performance is better, and when the pile foundation needs to be pulled out, the reversing switch of the motor is started firstly, so that the packing auger is reversed and then screwed out from the seabed, the pulling-out is convenient, and the phenomenon of difficult pulling-out is not easy to cause.

The beneficial effects of the utility model reside in that: this scheme adopts motor drive's auger, and the auger is installed in the bottom of lift stake, can make auger screw in seabed, and the design of cooperation stabilizer bar for it is more stable to go up and down stake and seabed to be connected, and the auger extracts the convenience moreover, is difficult for causing the phenomenon that is difficult to extract.

Furthermore, a bolt is connected in the connecting sleeve in a sliding mode and is connected with the rotating shaft through threads. The connecting sleeve and the rotating shaft are fixedly installed through the bolt, so that the rotating shaft can drive the connecting sleeve to rotate.

Furthermore, a limiting groove is formed in the right side of the square sleeve, a limiting nail is connected in the limiting groove in a sliding mode, and the limiting nail is connected with the square column through threads. Through the cooperation of spacing groove and spacing nail, can be so that square post can not take place the slippage with square cover.

Further, a square groove is formed in the square sleeve, and a square column is connected in the square groove in a sliding mode. Through the cooperation of square groove and square post, can be so that square post can slide in square cover, provide the slip space for square post.

Further, the inner wall sliding connection of slip cylinder and lift stake, slip cylinder and auger formula structure as an organic whole. Through the design of auger, the seabed can be gone into to the auger, fixes the stake of going up and down for the stake of going up and down is more stable.

Drawings

FIG. 1 is a schematic illustration of a jack-up rig according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the portion A of the jack-up rig of the embodiment of the present invention;

FIG. 3 is an enlarged view of the portion B of FIG. 1 of the self-elevating drilling platform according to the embodiment of the present invention;

FIG. 4 is a bottom view of the lift pile of FIG. 1 of a jack-up rig in accordance with an embodiment of the present invention;

fig. 5 is a right side view of the square sleeve of fig. 2 of a jack-up rig according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the drilling platform comprises a drilling platform 1, a lifting pile 2, a connecting pile cover 4, a support frame 5, a motor 6, a rotating shaft 7, a connecting sleeve 8, a bolt 9, a square sleeve 10, a limiting groove 11, a square groove 12, a square column 13, a limiting nail 14, a threaded rod 15, a sliding cylinder 16, an auger 17 and a stabilizer bar 18.

As shown in fig. 1, this embodiment provides a jack-up drilling platform, including drilling platform 1, installation lift stake 2 in the drilling platform 1 can realize raising and lowering functions, and the quantity of lift stake 2 is generally three, constitutes supporting platform, belongs to prior art, and threaded connection pile cover 4 is passed through to the upper end of lift stake 2, through threaded connection threaded rod 15 in the connection pile cover 4, and threaded motion can take place for connection pile cover 4 and threaded rod 15, produces relative displacement.

As shown in fig. 1 and 2, a support frame 5 is welded to the upper end of a connecting pile cover 4, a motor 6 is fixedly mounted on the upper end of the support frame 5, the motor 6 is a waterproof motor capable of rotating forward and backward, the motor 6 is provided with a control switch, the control switch is a switch capable of rotating forward and backward, a switch capable of rotating forward and backward and a stop switch are arranged for controlling the motor 6, a connecting sleeve 8 is mounted on the outer side of a rotating shaft 7 of the motor 6, a bolt 9 is slidably mounted in the connecting sleeve 8, the bolt 9 is in threaded connection with the rotating shaft 7, and the connecting sleeve 8 and the rotating shaft.

As shown in fig. 2, fig. 3, fig. 5, the square cover 10 of lower extreme welding of adapter sleeve 8, square groove 12 has been seted up in the square cover 10, square inslot 12 sliding connection square post 13, square groove 12 provides the removal space for square post 13, spacing groove 11 is seted up on the right side of square cover 10, sliding connection stop pin 14 in spacing groove 11, stop pin 14 passes through threaded connection with square post 13, cooperation through stop pin 14 and spacing groove 11, can be so that square post 13 can not take place the slippage with square cover 10.

As shown in fig. 2 and 4, a threaded rod 15 is welded at the lower end of the square sleeve 10, a sliding cylinder 16 is welded at the lower end of the threaded rod 15, an auger 17 is welded at the lower end of the sliding cylinder 16, the auger 17 is designed to be screwed into the seabed during descending and rotation, stabilizer bars 18 are welded on the outer side of the bottom of the lifting pile 2, the number of the stabilizer bars 18 is four, and the stabilizer bars are arranged on the outer side of the lifting pile 2 in an annular array.

The utility model discloses the concrete implementation process as follows: when the lifting pile is used, when the lifting pile 2 descends, the stabilizer bar 18 at the bottom of the lifting pile is inserted into a seabed, then a forward rotation switch of the motor 6 is started, the rotating shaft 7 of the motor 6 drives the connecting sleeve 8 to rotate, the connecting sleeve 8 drives the square sleeve 10 to rotate, the square sleeve 10 drives the square column 13 to rotate, the square column 13 drives the threaded rod 15 to rotate, the threaded rod 15 and the connecting pile cover 4 generate threaded motion to generate relative displacement, so that the threaded rod 15 moves downwards, the threaded rod 15 drives the square column 13 to move downwards, the square column 13 drives the limit nail 14 to move downwards along the limit groove 11, the threaded rod 15 drives the sliding cylinder 16 to rotate and move downwards, the sliding cylinder 16 drives the auger 17 to rotate and move downwards, so that the auger 17 is screwed into the seabed, the lifting pile 2 is more stable, the dark current resistance performance is better, and when the pile foundation needs to be pulled out, a, the auger 17 is rotated reversely and then is screwed out from the seabed, so that the pulling-out is convenient and the phenomenon of difficult pulling-out is not easy to cause.

The scheme adopts the packing auger 17 driven by the motor 6, the packing auger 17 is arranged at the bottom of the lifting pile 2, the packing auger 17 can be screwed into the seabed, and the design of the stabilizer bar 18 is matched, so that the lifting pile 2 is more stably connected with the seabed, the packing auger 17 is convenient to extract, and the phenomenon of difficult extraction is not easily caused.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (5)

1. A jack-up rig comprising a rig, characterized in that: install the lift stake in the drilling platform, there is the connection stake lid drilling platform's upper end through threaded connection, the upper end fixedly connected with support frame of connection stake lid, the upper end fixedly connected with motor of support frame, the adapter sleeve is installed to the lower extreme of the pivot of motor, the square cover of lower extreme fixedly connected with of adapter sleeve, sliding connection has square post in the square cover, the lower extreme fixedly connected with threaded rod of square post, the threaded rod passes through threaded connection with the connection stake lid, the lower extreme fixedly connected with slip cylinder of threaded rod, slip cylindrical lower extreme fixedly connected with auger, the inner wall sliding connection of auger and lift stake, the bottom fixedly connected with stabilizer bar of lift stake, the stabilizer bar is annular array in the outside of lift stake and arranges.

2. The jack-up rig according to claim 1, wherein: the connecting sleeve is internally and slidably connected with a bolt, and the bolt is connected with the rotating shaft through threads.

3. The jack-up rig according to claim 1, wherein: the right side of the square sleeve is provided with a limiting groove, a limiting nail is connected in the limiting groove in a sliding mode, and the limiting nail is connected with the square column through threads.

4. The jack-up rig according to claim 1, wherein: a square groove is formed in the square sleeve, and a square column is connected in the square groove in a sliding mode.

5. The jack-up rig according to claim 1, wherein: the sliding cylinder is connected with the inner wall of the lifting pile in a sliding mode, and the sliding cylinder and the packing auger are of an integrated structure.

Images