CN221256727U - Automatic side door opening device of blowout preventer - Google Patents

Abstract

The utility model relates to the technical field of blowout preventers, in particular to an automatic side door opening device of a blowout preventer. The technical proposal comprises: the stand, actuating mechanism is installed to the stand top, the output of reduction gear is connected with ball screw, ball screw's outer lane cover is equipped with the slide, the slide rail is installed to stand one side, install the slider on the slide rail, slide one side is provided with adjusts the mechanism of opening the door, it is including installing oil tank and the secondary cylinder in stand one side below to adjust the mechanism of opening the door. According to the utility model, the ball screw is driven by the driving mechanism to enable the sliding plate to move up and down in an adjusting manner, the drag hook is driven by the adjusting door opening mechanism to swing left and right through the arrangement of the swinging shaft, the swinging sleeve and the swinging plate, so that the requirements of opening the side doors at the left end and the right end of the blowout preventer can be met, meanwhile, the drag hook is driven by the guide sleeve to be in a vertical state through the arrangement of the up and down swinging oil cylinder, and the requirements of automatic door opening at different heights of the side doors of blowout preventers of different types can be met.

Description

Automatic side door opening device of blowout preventer

Technical Field

The utility model relates to the technical field of blowout preventers, in particular to an automatic side door opening device of a blowout preventer.

Background

Blowout preventers are indispensable equipment in well control, and relate to the safety of well drilling production. Often because drilling operation working condition is changed to be a shearing flashboard, a shearing and sealing integrated flashboard or a sealing flashboard with a certain aperture size, and maintenance needs, the side door needs to be conveniently opened for replacement. The blowout preventer in the prior art can only open the side door on one side when opening the side door, and the blowout preventer can be required to open the side doors on the left side and the right side according to the operation requirement sometimes, and the heights of the side doors of the blowout preventer with different models are different, so that the automatic side door opening device cannot be used for adapting to the blowout preventers with different models. For this reason, we propose an automatic side door opening device of blowout preventer.

Disclosure of utility model

The utility model aims to solve the problems in the background art and provides an automatic side door opening device of a blowout preventer.

The technical scheme of the utility model is as follows: the utility model provides an automatic side door opening device of preventer, includes the stand, actuating mechanism is installed to the stand top, actuating mechanism includes servo motor, servo motor's output is connected with the reduction gear, the output of reduction gear is connected with ball screw, ball screw's outer lane cover is equipped with the slide, the slide rail is installed to stand one side, install the slider on the slide rail, slide one side is provided with adjusts the mechanism of opening the door, it includes oil tank and the secondary cylinder of installing in stand one side below to adjust the mechanism of opening the door, the periphery of secondary cylinder is provided with the guide pin bushing, the guide pin bushing below is provided with one-level hydro-cylinder, guide pin bushing one end is provided with the drag hook, slide one side below is provided with the luffing motion hydro-cylinder.

Preferably, the column bottom is provided with the firm bottom plate, the installation end and the firm bottom plate of column correspond the installation, the column top is provided with the motor seat, the installation end and the motor seat of reduction gear correspond the installation, the bolster bearing housing is installed to the motor seat inner circle, be provided with the bearing housing in the column, ball screw's both ends correspond the installation with bearing housing and bolster bearing housing respectively, the installation end and the one end of ball screw of reduction gear correspond the installation.

Preferably, the sliding plate is provided with a threaded hole, the ball screw is correspondingly arranged with the threaded hole, the sliding block is correspondingly arranged with the sliding rail, and one side of the sliding plate is correspondingly arranged with one side of the sliding block.

Preferably, the installation end of the oil tank is correspondingly installed at the position above the stable bottom plate and at one side of the upright post, and the oil tank is connected with a conduction oil pipe among the secondary oil cylinder, the primary oil cylinder and the up-down swing oil cylinder.

Preferably, the mounting table is arranged on the sliding plate, the mounting side plate is arranged above the sliding plate, the swinging shaft is arranged between the mounting table and the mounting side plate, the outer ring of the swinging shaft is sleeved with the swinging sleeve, the swinging plate is arranged on one side of the outer ring of the swinging sleeve, and one side, far away from the swinging sleeve, of the swinging plate is correspondingly arranged at one end of the guide sleeve.

Preferably, the secondary oil cylinder is correspondingly arranged in the inner cavity of the guide sleeve, the output end of the primary oil cylinder is correspondingly arranged at the front end of the secondary oil cylinder, and the mounting end of the primary oil cylinder is correspondingly arranged at one end, close to the swinging plate, of the secondary oil cylinder.

Preferably, a drag hook seat is arranged between the drag hook and the guide sleeve, and the installation end of the drag hook is correspondingly installed with the drag hook seat.

Preferably, the installation end of the up-down swinging oil cylinder is correspondingly installed with one side of the sliding plate, a hinging seat is arranged below the upper-down swinging oil cylinder, and the output end of the up-down swinging oil cylinder is correspondingly installed with the hinging seat.

Compared with the prior art, the utility model has the following beneficial technical effects:

The utility model has simple integral structure and convenient operation, the ball screw is driven by the driving mechanism to enable the sliding plate to move up and down in an adjusting way, the swing shaft, the swing sleeve and the swing plate are arranged to enable the adjusting door opening mechanism to drive the draw hook to swing left and right, so that the requirements of opening the side doors at the left and right ends of the blowout preventer can be adapted, and meanwhile, the guide sleeve can drive the draw hook to be in a vertical state through the arrangement of the up and down swing oil cylinder, so that the guide sleeve is matched with the up and down movement, and further, the requirements of automatically opening the door at different heights of the side doors of blowout preventers of different types can be adapted.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side door structure of a blowout preventer.

Reference numerals: 1. a column; 2. a driving mechanism; 21. a servo motor; 22. a speed reducer; 3. a ball screw; 4. a slide plate; 5. a slide rail; 6. a slide block; 7. adjusting a door opening mechanism; 71. an oil tank; 72. a secondary oil cylinder; 73. guide sleeve; 74. a primary oil cylinder; 8. a drag hook 8; 9. an oil cylinder swings up and down; 10. stabilizing the bottom plate; 11. a motor base; 12. a lower bearing seat; 13. an upper bearing seat; 14. installing a side plate; 15. a swing shaft; 16. a swinging sleeve; 17. a swinging plate; 18. and a drag hook seat.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in fig. 1-2, the automatic side door opening device of the blowout preventer provided by the utility model comprises a stand column 1, wherein a driving mechanism 2 is arranged above the stand column 1, a stable bottom plate 10 is arranged below the stand column 1, the installation end of the stand column 1 is correspondingly arranged with the stable bottom plate 10, the lower part of the stand column 1 is fixedly connected with the stable bottom plate 10, and the stable bottom plate 10 can enable the stand column 1 to be more stable during installation;

The driving mechanism 2 comprises a servo motor 21, the output end of the servo motor 21 is connected with a speed reducer 22, a motor seat 11 is arranged above the upright post 1, the mounting end of the motor seat 11 is fixedly connected with the upright post 1, the mounting end of the speed reducer 22 is correspondingly mounted with the motor seat 11, the speed reducer 22 is fixedly connected with the motor seat 11, the output end of the speed reducer 22 is connected with a ball screw 3, an upper bearing seat 13 is mounted on the inner ring of the motor seat 11, a mounting groove is formed above the upright post 1, the periphery of the upper bearing seat 13 is fixedly connected with the inner wall of the mounting groove, a lower bearing seat 12 is arranged in the upright post 1, one side of the lower bearing seat 12 is fixedly connected with the upright post 1, two ends of the ball screw 3 are respectively correspondingly mounted with the lower bearing seat 12 and the upper bearing seat 13, two ends of the ball screw 3 are respectively rotatably connected with the lower bearing seat 12 and the upper bearing seat 13, the mounting end of the speed reducer 22 is correspondingly mounted with one end of the ball screw 3, the output end of the speed reducer 22 is fixedly connected with the ball screw 3, the outer ring of the ball screw 3 is sleeved with a sliding plate 4, a threaded hole is formed in the sliding plate 4, the ball screw 3 is correspondingly mounted with the threaded hole, the ball screw 4 is in the sliding plate 3, the threaded connection is in the threaded hole, the upper bearing seat 3 is fixedly connected with the ball screw 3, the ball screw 3 and the upper sliding plate 4 is driven by the side door 3 through the driving mechanism 2 to move by the upper sliding plate 4, and the type of the upper side door 4 can be driven by the side door 4, and the driving mechanism can be better, and the type of the driver can not be opened;

A slide rail 5 is arranged on one side of the upright 1, the installation end of the slide rail 5 is fixedly connected with the upright 1, a slide block 6 is arranged on the slide rail 5, the slide block 6 is correspondingly arranged with the slide rail 5, the slide block 6 is in sliding connection with the slide rail 5, one side of the slide plate 4 is correspondingly arranged with one side of the slide block 6, one side of the slide plate 4 is fixedly connected with the slide block 6, the slide rail 5 and the slide block 6 are arranged to enable the slide plate 4 to be more stable during movement, one side of the slide plate 4 is provided with an adjusting door opening mechanism 7, the adjusting door opening mechanism 7 comprises an oil tank 71 and a secondary oil cylinder 72 which are arranged below one side of the upright 1, the installation end of the oil tank 71 is correspondingly arranged above the stabilizing bottom plate 10 at the position of one side of the upright 1, the lower part of the oil tank 71 is fixedly connected with the stabilizing bottom plate 10, The periphery of the secondary oil cylinder 72 is provided with a guide sleeve 73, the secondary oil cylinder 72 is correspondingly arranged with the inner cavity of the guide sleeve 73, the secondary oil cylinder 72 is in sliding connection with the guide sleeve 73, the sliding plate 4 is provided with a mounting table, the mounting table is fixedly connected with the sliding plate 4, a mounting side plate 14 is arranged above the sliding plate 4, one side of the mounting side plate 14 is fixedly connected with the sliding plate 4, a swinging shaft 15 is arranged between the mounting table and the mounting side plate 14, two ends of the swinging shaft 15 are respectively correspondingly arranged with the mounting table and the mounting side plate 14, the swinging shaft 15 is respectively in rotary connection with the mounting table and the mounting side plate 14, the outer ring of the swinging shaft 15 is sleeved with a swinging sleeve 16, the inner wall of the swinging sleeve 16 is fixedly connected with the outer ring of the swinging shaft 15, A swinging plate 17 is arranged on one side of the outer ring of the swinging sleeve 16, one side of the swinging plate 17 is fixedly connected with the swinging sleeve 16, one side of the swinging plate 17, which is far away from the swinging sleeve 16, is correspondingly arranged at one end of a guide sleeve 73, a first rotating shaft is arranged between the guide sleeve 73 and the swinging plate 17, the guide sleeve 73 is rotationally connected with the swinging plate 17 through the rotating shaft, a primary oil cylinder 74 is arranged below the guide sleeve 73, the output end of the primary oil cylinder 74 is correspondingly arranged at the front end of a secondary oil cylinder 72, the output end of the primary oil cylinder 74 is rotationally connected with the secondary oil cylinder 72, the mounting end of the primary oil cylinder 74 is correspondingly arranged at one end of the secondary oil cylinder 72, which is close to the swinging plate 17, a connecting seat is arranged between the mounting end of the primary oil cylinder 74 and the mounting end of the secondary oil cylinder 72, The primary oil cylinder 74 and the secondary oil cylinder 72 are rotationally connected through a connecting seat, oil pipes are respectively connected between the oil tank 71 and the secondary oil cylinder 72, between the primary oil cylinder 74 and the up-down swinging oil cylinder 9, the oil pipes are respectively and fixedly connected with the oil tank 71, the secondary oil cylinder 72, the primary oil cylinder 74 and the up-down swinging oil cylinder 9, the drag hook 8 can swing left and right by adjusting the setting of the door opening mechanism 7, thereby meeting the requirement that the left and right ends of the blowout preventer need to be opened, simultaneously, the drag hook 8 can be adapted to blowout preventers with different heights for opening the side doors through the setting of the primary oil cylinder 74, the installation end of the up-down swinging oil cylinder 9 is correspondingly installed with one side of the sliding plate 4, The installation end of the up-down swinging oil cylinder 9 is rotationally connected with one side of the sliding plate 4, a hinging seat is arranged below 73, the output end of the up-down swinging oil cylinder 9 is correspondingly installed with the hinging seat, the output end of the up-down swinging oil cylinder 9 is rotationally connected with the hinging seat, the output end of the up-down swinging oil cylinder 9 is contracted to the shortest time, and the primary oil cylinder 74 and the secondary oil cylinder 72 synchronously swing downwards to finally reach a vertical state. When the output end of the up-down swinging oil cylinder 9 extends out to the maximum, the primary oil cylinder 74 and the secondary oil cylinder 72 are in a horizontal state, the position of the drag hook 8 moves along with the primary oil cylinder 74 and the secondary oil cylinder 72 in the horizontal direction, and simultaneously moves along with the sliding plate 4 in the up-down direction, so that the requirements of different heights of side doors of blowout preventers with different models can be met;

One end of the guide sleeve 73 is provided with a drag hook 8, a drag hook seat 18 is arranged between the drag hook 8 and the guide sleeve 73, one side of the drag hook seat 18 is fixedly connected with one end of the guide sleeve 73, the installation end of the drag hook 8 is correspondingly installed with the drag hook seat 18, the drag hook 8 is rotationally connected with the drag hook seat 18, and the drag hook 8 can hook a groove on a side door of the blowout preventer, so that the side door of the blowout preventer is opened.

In this embodiment, the upright 1 is vertically installed on the ground through the stable bottom plate 10, and the oil tank 71 is installed on the right side of the upright 1, for providing power to the primary oil cylinder 74 and the secondary oil cylinder 72. The ball screw 3 is vertically arranged on the inner side of the upright post 1, and the upper end and the lower end are respectively correspondingly arranged between the upper bearing seat 13 and the lower bearing seat 12. The sliding rail 5 is arranged on the left side of the upright post 1 and parallel to the ball screw 3. The upper end of the ball screw 3 is connected with a speed reducer 22, the horizontal connecting end of the speed reducer 22 is connected with the output shaft of a servo motor 21, and the mounting end of the speed reducer 22 is fixedly connected with a motor seat 11. The sliding block 6 on the sliding rail 5 is fixedly connected with the sliding plate 4, the sliding plate 4 is provided with a swinging shaft 15 for swinging left and right, the swinging shaft 15 penetrates through a swinging sleeve 16, the swinging sleeve 16 can flexibly swing left and right, the swinging sleeve 16 is connected with a swinging plate 17 in a matched manner, the swinging plate 17 is connected with the mounting end of a guide sleeve 73, and the guide sleeve 73 can swing up and down by taking the swinging plate 17 as a fulcrum. The secondary oil cylinder 72 is installed in the guide sleeve 73, and can move back and forth along with the output end of the primary oil cylinder 74, the primary oil cylinder 74 is located below the guide sleeve 73, the installation end of the primary oil cylinder 74 is fixed with the installation end of the guide sleeve 73, the front end of the primary oil cylinder 74 is fixed with the front end of the cylinder body of the secondary oil cylinder 72, when the output end of the primary oil cylinder 74 extends out, the cylinder body of the secondary oil cylinder 72 extends out of the guide sleeve 73, after the output end of the primary oil cylinder 74 extends out, the output end of the primary oil cylinder 72 extends out again, and when the primary oil cylinder 74 and the secondary oil cylinder 72 extend out completely, the maximum extending distance is reached. The output end of the secondary oil cylinder 72 is connected with the drag hook seat 18, the drag hook seat 18 is connected with the drag hook 8 through a shaft pin, and the drag hook 8 can swing left and right to meet the requirement that the left and right ends of the blowout preventer need to be opened with side doors. The installation end of the up-down swinging oil cylinder 9 is connected with the bottom of the sliding plate 4, when the output end of the up-down swinging oil cylinder 9 is contracted to the shortest, the primary oil cylinder 74 and the secondary oil cylinder 72 swing downwards at the same time, and the vertical state can be achieved. When the output end of the up-down swinging oil cylinder 9 stretches out to the maximum, the primary oil cylinder 74 and the secondary oil cylinder 72 can reach a horizontal state, the position of the drag hook 8 moves along with the primary oil cylinder 74 and the secondary oil cylinder 72 in the horizontal direction, and simultaneously moves along with the sliding plate 4 in the up-down direction so as to adapt to different height requirements of the blowout preventer, and the groove on the side door of the blowout preventer is hooked, and when the primary oil cylinder 74 or the secondary oil cylinder 72 contracts, the groove of the blowout preventer is pulled by the drag hook 8, so that the groove of the blowout preventer is pulled.

The above-described embodiment is only one preferred embodiment of the present utility model, and many alternative modifications and combinations of the above-described embodiments can be made by those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (8)

1. An automatic side door opening device of a blowout preventer, comprises a stand column (1), and is characterized in that: the driving mechanism (2) is installed to stand (1) top, actuating mechanism (2) are including servo motor (21), the output of servo motor (21) is connected with reduction gear (22), the output of reduction gear (22) is connected with ball screw (3), the outer lane cover of ball screw (3) is equipped with slide (4), slide rail (5) are installed to stand (1) one side, install slider (6) on slide rail (5), slide (4) one side is provided with adjusts mechanism (7) that opens the door, adjust the mechanism (7) that opens the door including installing oil tank (71) and second grade hydro-cylinder (72) in stand (1) one side below, the periphery of second grade hydro-cylinder (72) is provided with guide pin bushing (73), guide pin bushing (73) below is provided with one-level hydro-cylinder (74), guide pin bushing (73) one end is provided with drag hook (8), slide (4) one side below is provided with swing hydro-cylinder (9) from top to bottom.

2. The automatic side door opening device of the blowout preventer according to claim 1, wherein a stable bottom plate (10) is arranged below the upright post (1), the installation end of the upright post (1) is correspondingly installed with the stable bottom plate (10), a motor seat (11) is arranged above the upright post (1), the installation end of a speed reducer (22) is correspondingly installed with the motor seat (11), an upper bearing seat (13) is installed on the inner ring of the motor seat (11), a lower bearing seat (12) is arranged in the upright post (1), two ends of the ball screw (3) are respectively correspondingly installed with the lower bearing seat (12) and the upper bearing seat (13), and the installation end of the speed reducer (22) is correspondingly installed with one end of the ball screw (3).

3. The automatic side door opening device of the blowout preventer according to claim 2, wherein the threaded hole is formed in the sliding plate (4), the ball screw (3) is installed corresponding to the threaded hole, the sliding block (6) is installed corresponding to the sliding rail (5), and one side of the sliding plate (4) is installed corresponding to one side of the sliding block (6).

4. The automatic side door opening device of the blowout preventer according to claim 3, wherein the installation end of the oil tank (71) is correspondingly installed at the position above the stable bottom plate (10) on one side of the upright post (1), and the oil tank (71) is connected with a conduction oil pipe among the secondary oil cylinder (72), the primary oil cylinder (74) and the up-down swing oil cylinder (9).

5. The automatic side door opening device of the blowout preventer according to claim 4, wherein an installation table is arranged on the sliding plate (4), an installation side plate (14) is arranged above the sliding plate (4), a swinging shaft (15) is arranged between the installation table and the installation side plate (14), a swinging sleeve (16) is sleeved on an outer ring of the swinging shaft (15), a swinging plate (17) is arranged on one side of an outer ring of the swinging sleeve (16), and one side, far away from the swinging sleeve (16), of the swinging plate (17) is correspondingly arranged at one end of the guide sleeve (73).

6. The automatic side door opening device of the blowout preventer of claim 5, wherein the secondary oil cylinder (72) is correspondingly arranged with the inner cavity of the guide sleeve (73), the output end of the primary oil cylinder (74) is correspondingly arranged with the front end of the secondary oil cylinder (72), and the installation end of the primary oil cylinder (74) is correspondingly arranged with one end of the secondary oil cylinder (72) close to the swinging plate (17).

7. The automatic side door opening device of the blowout preventer according to claim 6, wherein a drag hook seat (18) is arranged between the drag hook (8) and the guide sleeve (73), and the installation end of the drag hook (8) is correspondingly installed with the drag hook seat (18).

8. The automatic side door opening device of the blowout preventer of claim 7, wherein the installation end of the up-and-down swinging oil cylinder (9) is correspondingly installed on one side of the sliding plate (4), a hinging seat is arranged below the sliding plate (73), and the output end of the up-and-down swinging oil cylinder (9) is correspondingly installed with the hinging seat.