CN212927762U

CN212927762U - Flashboard replacing device for blowout preventer

Info

Publication number: CN212927762U
Application number: CN202021823259.3U
Authority: CN
Inventors: 周奕兵
Original assignee: Tianjin Dongfang Ouyi Petroleum Equipment Manufacturing Co ltd
Current assignee: Tianjin Dongfang Ouyi Petroleum Equipment Manufacturing Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-09
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to a preventer technical field, and a preventer is with flashboard change device is disclosed, which comprises a housin, side door and flashboard, the side door passes through the lateral wall zonulae occludens of bolt and casing, the flashboard is located inside the casing, and the right side is provided with the piston rod, the right side of side door is provided with the hydro-cylinder, the other end of piston rod communicates inside the hydro-cylinder, both sides are all fixed two fixed plates that are equipped with the symmetry about and at both ends around the casing, two fixed plates all rotate through first rotating bearing and are connected with the lead screw, the pole wall of lead screw is provided with pushing mechanism, the top of side door is passed through the fixed push pedal that is equipped with of connecting plate, both ends are all fixed in both sides around and around the bottom. The utility model discloses can need not separate the casing quick with the preventer of side door through the manual work to take out the change to the flashboard.

Description

Flashboard replacing device for blowout preventer

Technical Field

The utility model relates to a blowout preventer technical field especially relates to a device is changed to flashboard for blowout preventer.

Background

The blowout preventer is used for closing a wellhead in the operation processes of oil testing, well workover, well completion and the like to prevent blowout accidents, integrates the full sealing function and the half sealing function into a whole, has the characteristics of simple structure, easy operation, high pressure resistance and the like, and is a well mouth safety sealing device for preventing blowout commonly used in oil fields.

The current ram-type preventer owing to often need open and shut the slip when using for the ram can produce wearing and tearing, so need regularly change the ram, open the ram-type preventer side door when traditional ram is changed, and shift out the side door through the manual work, take out the ram afterwards and change, nevertheless the side door has certain weight, and the manual work removes comparatively loaded down with trivial details and slow, makes the ram change efficiency low excessively.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior art when preventer changes the flashboard, the manual work shifts out comparatively loaded down with trivial details problem to the side door, and the flashboard changes device for preventer that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a device is changed to flashboard for blowout preventer, includes casing, side door and flashboard, the side door passes through the lateral wall zonulae occludens of bolt and casing, the flashboard is located inside the casing, and the right side is provided with the piston rod, the right side of side door is provided with the hydro-cylinder, the other end of piston rod communicates inside the hydro-cylinder, both ends are all fixed two fixed plates that are equipped with the symmetry about and in both sides around the casing, two the fixed plate all rotates through first rotation bearing and is connected with the lead screw, the pole wall of lead screw is provided with pushing mechanism, the top of side door is equipped with the push pedal through the connecting plate is fixed, both ends are all fixed the diaphragm that is equipped with in both ends and both sides around just about the bottom of.

Preferably, the pushing mechanism comprises a sliding block and two ejector rods which are symmetrically arranged, the sliding block is in threaded connection with the rod wall of the screw rod and is in contact connection with the shell, the two ejector rods are fixedly connected with the side wall of the sliding block, and the other end of the ejector rod penetrates through the fixing plate and is fixedly connected with the push plate.

Preferably, first drive mechanism includes first bevel gear, second bevel gear and montant, the montant rotates through second rolling bearing with the diaphragm to be connected, first bevel gear cup joints with the pole wall fixed of lead screw, second bevel gear and the pole wall top fixed connection of montant, first bevel gear and second bevel gear meshing, two the diaphragm is all passed and outside is extended to the bottom of montant.

Preferably, the second transmission mechanism comprises two symmetrically arranged belt pulleys, the two belt pulleys are fixedly sleeved with the lower ends of the rod walls of the two vertical rods respectively, and the two belt pulleys are connected through belt transmission.

Preferably, the bottom of the vertical rod at the front side is fixedly provided with a rotating block.

Preferably, the rod wall of the screw rod is coated with lubricating oil.

Compared with the prior art, the utility model provides a device is changed to flashboard for blowout preventer possesses following beneficial effect:

1. this flashboard replacement device for blowout preventer through pushing mechanism, lead screw, push pedal and the fixed plate that is equipped with, can promote the side door and carry out quick and convenient separation with the preventer shell when changing the flashboard.

2. This flashboard replacement device for blowout preventer through first drive mechanism and the second drive mechanism that is equipped with, drives pushing mechanism through the rotation of turning block and stably carries out work, carries out quick replacement to the flashboard.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can not need to separate the casing quick with the preventer of side door through the manual work to can be fast convenient take out the flashboard and change.

Drawings

Fig. 1 is a schematic structural view of a ram replacing device for a blowout preventer according to the present invention;

FIG. 2 is a schematic side view of the structure of FIG. 1;

fig. 3 is a schematic top view of the structure of fig. 1.

In the figure: the device comprises a shell 1, a side door 2, a gate plate 3, a piston rod 4, an oil cylinder 5, a fixing plate 6, a lead screw 7, a connecting plate 8, a push plate 9, a transverse plate 10, a slide block 11, a mandril 12, a first bevel gear 13, a second bevel gear 14, a vertical rod 15, a belt pulley 16, a belt 17 and a rotating block 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, a ram replacing apparatus for a blowout preventer includes a housing 1, a side door 2, and a ram 3, the side door 2 is tightly connected to a sidewall of the housing 1 by bolts, the ram 3 is located inside the housing 1, and the right side is provided with piston rod 4, the right side of side door 2 is provided with hydro-cylinder 5, the other end of piston rod 4 communicates to inside hydro-cylinder 5, both ends are all fixed two fixed plates 6 that are equipped with the symmetry around both sides and about casing 1, two fixed plates 6 all are connected with lead screw 7 through first rotating bearing rotation, it carries out horizontal support to lead screw 7 to set up fixed plate 6, the pole wall of lead screw 7 is provided with pushing mechanism, the top of side door 2 is through the fixed push pedal 9 that is equipped with of connecting plate 8, both ends are all fixed diaphragm 10 that is equipped with around and around both ends about the bottom of casing 1, the upper end of two diaphragm 10 all is provided with first drive mechanism and.

The pushing mechanism comprises a sliding block 11 and two ejector rods 12 symmetrically arranged, the sliding block 11 is in threaded connection with the rod wall of the lead screw 7 and is in contact connection with the shell 1, the two ejector rods 12 are fixedly connected with the side wall of the sliding block 11, the other end of the ejector rods passes through the fixing plate 6 and is fixedly connected with the push plate 9, and the ejector rods 12 can push the side door 2 through the push plate 9.

The first transmission mechanism comprises a first bevel gear 13, a second bevel gear 14 and a vertical rod 15, the vertical rod 15 is rotatably connected with the transverse plate 10 through a second rotating bearing, the first bevel gear 13 is fixedly sleeved with the rod wall of the screw rod 7, the second bevel gear 14 is fixedly connected with the top of the rod wall of the vertical rod 15, the first bevel gear 13 is meshed with the second bevel gear 14, and the bottoms of the two vertical rods 15 penetrate through the transverse plate 10 and extend to the outside.

The second transmission mechanism comprises two belt pulleys 16 which are symmetrically arranged, the two belt pulleys 16 are fixedly sleeved with the lower ends of the rod walls of the two vertical rods 15 respectively, the two belt pulleys 16 are in transmission connection through a belt 17, a rotating block 18 is fixedly arranged at the bottom of the front vertical rod 15, the rotating block 18 is arranged to facilitate rotation of the vertical rod 15, and lubricating oil is coated on the rod wall of the lead screw 7.

In the utility model, when the flashboard 3 in the blowout preventer needs to be replaced after being used for a certain time, the flashboard 3 is firstly pulled to be in a full-open state through the oil cylinder 5 and the piston rod 4, and the bolts connected between the side door 2 and the shell 1 are all dismantled, then the rotating block 18 is rotated to enable the vertical rod 15 to rotate, the vertical rod 15 drives the second bevel gear 14 at the top of the vertical rod to be meshed with the first bevel gear 13 while rotating, simultaneously, the two vertical rods 15 rotate simultaneously through the transmission of the belt pulley 16 and the belt 17, so that the two lead screws 7 rotate simultaneously under the driving of the two first bevel gears 13, the sliding block 11 slides transversely along the lead screws 7 and the shell 1, the sliding block 11 pushes the ejector rod 12 while moving, thereby the other end of the ejector rod 12 starts to generate pushing force on the push plate 9, so that the two push plates 9 drive the, and the side door 2 is separated from the casing 1 so that the shutter 3 is moved out of the inside of the casing 1, and then the shutter 3 can be taken out and replaced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a flashboard replacement device for blowout preventer, includes casing (1), side door (2) and flashboard (3), its characterized in that, side door (2) are through the lateral wall zonulae occludens of bolt and casing (1), flashboard (3) are located inside casing (1), and the right side is provided with piston rod (4), the right side of side door (2) is provided with hydro-cylinder (5), the other end of piston rod (4) communicates to inside hydro-cylinder (5), both sides and the left and right sides of casing (1) all are fixed and are equipped with two fixed plates (6) of symmetry, two fixed plate (6) all are connected with lead screw (7) through first rolling bearing rotation, the rod wall of lead screw (7) is provided with pushing mechanism, the top of side door (2) is through fixed push pedal (9) that are equipped with in connecting plate (8), both ends and the front and back both sides all are fixed and are equipped with diaphragm (10) around, and the upper ends of the two transverse plates (10) are provided with a first transmission mechanism and a second transmission mechanism.

2. The ram replacing device for the blowout preventer according to claim 1, wherein the pushing mechanism comprises a sliding block (11) and two symmetrically arranged ejector rods (12), the sliding block (11) is in threaded connection with the rod wall of the screw rod (7) and is in contact connection with the shell (1), the two ejector rods (12) are fixedly connected with the side wall of the sliding block (11), and the other end of the two ejector rods penetrates through the fixing plate (6) and is fixedly connected with the push plate (9).

3. The ram replacing device for the blowout preventer according to claim 1, wherein the first transmission mechanism comprises a first bevel gear (13), a second bevel gear (14) and a vertical rod (15), the vertical rod (15) is rotatably connected with the transverse plate (10) through a second rotating bearing, the first bevel gear (13) is fixedly sleeved with the rod wall of the screw rod (7), the second bevel gear (14) is fixedly connected with the top of the rod wall of the vertical rod (15), the first bevel gear (13) is engaged with the second bevel gear (14), and the bottoms of the two vertical rods (15) penetrate through the transverse plate (10) and extend to the outside.

4. The ram replacing device for the blowout preventer according to claim 1, wherein the second transmission mechanism comprises two symmetrically arranged belt pulleys (16), the two belt pulleys (16) are fixedly sleeved with the lower ends of the rod walls of the two vertical rods (15), and the two belt pulleys (16) are in transmission connection through a belt (17).

5. The ram changing device for the blowout preventer according to claim 3, wherein a rotating block (18) is fixedly provided at the bottom of the vertical rod (15) on the front side.

6. The ram replacing device for a blowout preventer according to claim 1, wherein a rod wall of the screw rod (7) is coated with a lubricating oil.