CN212706549U

CN212706549U - Top cover dismounting device of annular blowout preventer

Info

Publication number: CN212706549U
Application number: CN202021617154.2U
Authority: CN
Inventors: 蔡博文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-03-16
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses an annular preventer unloads top cap device relates to and unloads top cap device field, is connected by a large amount of bolt-up to current annular preventer top cap, dismantles very inconvenient and low efficiency problem, now proposes following scheme, and it includes the bottom plate, the equal fixed mounting in left and right both sides of bottom plate up end has first hydraulic stem, connecting rod fixedly connected with layer board is passed through to the upper end of first hydraulic stem, the center of layer board is rotated and is provided with the rotary drum, the lower extreme fixedly connected with disc of the lower terminal surface fixedly connected with montant of rotary drum and montant, the lateral surface fixed mounting of rotary drum upper end is equipped with ring gear, fixed mounting has first motor in the equal fixedly connected with support frame in the left and right both sides of layer board up end and the support frame, the output fixed mounting of first motor has first gear. The device has the characteristics of convenient disassembly operation and great improvement on efficiency.

Description

Top cover dismounting device of annular blowout preventer

Technical Field

The utility model relates to a unload the top cap device field, especially relate to an annular preventer unloads top cap device.

Background

Annular blowout preventers, which are usually large gates equipped with ram-type blowout preventers, operate to form a sealed annular space between a pipe string and a wellbore, and can also perform well shut-in independently without a pipe string in a well, but are not used for several times and do not allow long-term shut-in use.

The annular blowout preventer consists of a body, a top cover, an oil cylinder, a piston and a sealing rubber core. The top cover and the body of the annular blowout preventer adopt two connection modes of bolts or large rectangular threads, and the body and the top cover of the domestic annular blowout preventer both adopt bolt connection modes; the annular blowout preventer body and the top cover are connected in a large rectangular thread mode, but the top cover of the annular blowout preventer generally needs to be detached when the annular blowout preventer is maintained at present, and because the top cover of the domestic blowout preventer is generally fixedly connected by a large number of bolts when passing through, the detachment is time-consuming, the bolts need to be unscrewed one by one, the efficiency is extremely low, and therefore the top cover detaching device of the annular blowout preventer is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides an annular preventer unloads top cap device has solved current annular preventer top cap and has been connected by a large amount of bolt-up, dismantles very inconvenient and low efficient problem.

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

a top cover unloading device of an annular blowout preventer comprises a bottom plate, wherein first hydraulic rods are fixedly arranged on the left side and the right side of the upper end face of the bottom plate, a supporting plate is fixedly connected to the upper end of each first hydraulic rod through a connecting rod, a rotary drum is arranged at the center of the supporting plate in a rotating mode, a vertical rod is fixedly connected to the lower end face of the rotary drum, a disc is fixedly connected to the lower end of the vertical rod, a ring gear is fixedly sleeved on the outer side face of the upper end of the rotary drum, a supporting frame is fixedly connected to the left side and the right side of the upper end face of the supporting plate, a first motor is fixedly arranged in the supporting frame, a first gear is fixedly arranged at the output end of the first motor, a supporting frame is fixedly connected to the center of the upper end face of the disc, a second hydraulic rod is fixedly arranged in the supporting frame, sliding connection has the slide bar in the slide rail, every all rotate between slide bar and the push pedal and be connected with the bull stick, fixed mounting has electric spanner on the lower extreme fixedly connected with mounting panel of slide bar and the mounting panel.

Preferably, the output ends of the upper sides of the first hydraulic rods on the left side and the right side are fixedly connected to the left side and the right side of the supporting plate through connecting rods, the rotary drum is rotatably connected in the supporting plate through a bearing, and the upper end face and the lower end face of the rotary drum extend to the upper side and the lower side of the supporting plate.

Preferably, the outer side surface of the extension end of the rotating drum on the upper side of the supporting plate is fixedly sleeved with a ring gear.

Preferably, the upper ends of the first motors on the left side and the right side are fixedly mounted on the upper inner wall of the support frame on one side of each motor, and the output end of the support frame on the lower side of each motor is fixedly connected with the ring gear in a meshed mode.

Preferably, a sliding groove is formed right below each sliding rail, and the front end and the rear end of each sliding rod are connected in the sliding rails in an interactive mode.

Preferably, the lower extreme of slide bar passes through connecting plate fixedly connected with mounting panel and the lower extreme of connecting plate and passes the spout and extend the downside at the disc, connecting plate sliding connection is in the spout.

Compared with the prior art, the beneficial effects of the utility model are that:

through the bottom plate, first hydraulic stem, the layer board, the rotary drum, the montant, the disc, ring gear, first hydraulic stem, the push pedal, a slide rail, the spout, the slide bar, the bull stick, the mounting panel, make this device can be through placing the up end at the bottom plate earlier with annular preventer, then drive the layer board and the removal about the last device through first hydraulic stem, then promote the bull stick through the second hydraulic stem and rotate and then drive the removal that each slide bar kept away from or gathered together mutually, make the position of regulation mounting panel that can be convenient, make it be located annular preventer top cap bolt directly over, then drive about first hydraulic stem, and first motor drives the rotation of rotary drum and disc, can be gradually unscrew all bolts, such operation can once unscrew a plurality ofly.

Make this device have can conveniently dismantle the operation, simultaneously great improvement efficiency's characteristics.

Drawings

Fig. 1 is a sectional view showing the structure of a top cover removing device of an annular blowout preventer according to the present invention.

Fig. 2 is a cross-sectional view of a top view structure of the annular blowout preventer top unloader apparatus of the present invention.

Fig. 3 is a top view of the annular blowout preventer top-discharging device according to the present invention.

Reference numbers in the figures: the device comprises a base plate 1, a first hydraulic rod 2, a supporting plate 3, a rotating drum 4, a vertical rod 5, a circular disc 6, a ring gear 7, a first gear 8, a second hydraulic rod 9, a push plate 10, a sliding rail 11, a sliding chute 12, a sliding rod 13, a rotating rod 14, a mounting plate 15 and an electric wrench 16.

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.

Referring to fig. 1-3, a top cap removing device of an annular blowout preventer comprises a base plate 1, wherein a first hydraulic rod 2 is fixedly arranged on each of the left side and the right side of the upper end surface of the base plate 1, the upper end of the first hydraulic rod 2 is fixedly connected with a support plate 3 through a connecting rod, a rotary drum 4 is arranged at the center of the support plate 3 in a rotating manner, a vertical rod 5 is fixedly connected to the lower end surface of the rotary drum 4, and a disc 6 is fixedly connected to the lower end of the vertical rod 5, the top cap removing device is characterized in that an annular gear 7 is fixedly sleeved on the outer side surface of the upper end of the rotary drum 4, a support frame is fixedly connected to each of the left side and the right side of the upper end surface of the support plate 3, a first motor is fixedly arranged in the support frame, a first gear 8 is fixedly arranged at the output end of the first motor, a support frame, the disc 6 is provided with sliding grooves 12 in an array mode, sliding rods 13 are connected in the sliding rails 11 in a sliding mode, a rotating rod 14 is connected between each sliding rod 13 and the push plate 10 in a rotating mode, the lower end of each sliding rod 13 is fixedly connected with an installation plate 15, and an electric wrench 16 is fixedly installed on the installation plate 15.

In this embodiment, the output ends of the upper sides of the first hydraulic rods 2 on the left side and the right side are fixedly connected to the left side and the right side of the supporting plate 3 through connecting rods, the rotary drum 4 is rotatably connected to the supporting plate 3 through bearings, and the upper end surface and the lower end surface of the rotary drum 4 extend to the upper side and the lower side of the supporting plate 3.

In the present embodiment, the drum 4 is fixedly fitted with a ring gear 7 on the outer surface of the upper extension end of the pallet 3.

In the present embodiment, the upper ends of the first motors on the left and right sides are both fixedly mounted on the upper inner wall of the support frame on one side and the first gear 8 fixedly connected to the output end on the lower side is meshed with the ring gear 7.

In this embodiment, a sliding groove 12 is formed right below each sliding rail 11, and the front and rear ends of the sliding rod 13 are connected to the inside of the sliding rail 11 in an interactive manner.

In this embodiment, the lower end of the sliding rod 13 is fixedly connected with the mounting plate 15 through the connecting plate, the lower end of the connecting plate penetrates through the sliding groove 12 and extends to the lower side surface of the disc 6, the connecting plate is slidably connected in the sliding groove 12, the electric wrench 16 can be flexibly mounted in the mounting plate 15, and the electric wrench 16 can clamp and lift the top cover on one side of the disc 6 in the radial direction under the condition that the sliding rod 13 is driven by the second hydraulic rod 9 to be close to each other.

The working principle is as follows: when the annular blowout preventer is used, the annular blowout preventer is placed on the upper end face of the bottom plate 1, the supporting plate 3 and the upper device of the supporting plate are driven to move up and down through the first hydraulic rod 2, the electric wrench 16 is driven to move to the upper part of the annular blowout preventer top cover bolt, the supporting plate 10 is driven to move up and down in the supporting frame through the second hydraulic rod 9, the rotating rod 14 rotationally connected with the side face of the pushing plate 10 is driven to rotate, the sliding rods 13 are driven to move away from or gather together, the position of the mounting plate 15 on the lower side of the sliding groove 12 formed in the radial direction of the disc 6 can be conveniently adjusted to be positioned right above the annular blowout preventer top cover bolt, the electric wrench 16 is driven to move down by the first hydraulic rod 2 to unscrew the bolt, the electric wrench 16 is driven to move up through the first hydraulic rod 2, and the first motor drives the rotating cylinder 4 and, all bolts can be unscrewed gradually and sequentially, and the operation can be unscrewed more than once.

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 top cover unloading device of the annular blowout preventer comprises a bottom plate (1), wherein first hydraulic rods (2) are fixedly mounted on the left side and the right side of the upper end face of the bottom plate (1), a supporting plate (3) is fixedly connected to the upper end of each first hydraulic rod (2) through a connecting rod, a rotary drum (4) is rotatably arranged at the center of the supporting plate (3), a vertical rod (5) is fixedly connected to the lower end face of the rotary drum (4), a disc (6) is fixedly connected to the lower end face of the vertical rod (5), a ring gear (7) is fixedly sleeved on the outer side face of the upper end of the rotary drum (4), a support frame is fixedly connected to the left side and the right side of the upper end face of the supporting plate (3), a first motor is fixedly mounted in the support frame, a first gear (8) is fixedly mounted at the output end of the first motor, a support frame is fixedly connected to the center of the upper end, lower extreme fixedly connected with push pedal (10) of second hydraulic stem (9), disc (6) up end array is provided with slide rail (11), spout (12) have been seted up to array on disc (6), sliding connection has slide bar (13) in slide rail (11), every all rotate between slide bar (13) and push pedal (10) and be connected with bull stick (14), fixed mounting has electric spanner (16) on the lower extreme fixedly connected with mounting panel (15) of slide bar (13) and mounting panel (15).

2. The annular blowout preventer top discharging device according to claim 1, wherein the output ends of the upper sides of the first hydraulic rods (2) on the left side and the right side are fixedly connected to the left side and the right side of the supporting plate (3) through connecting rods, the rotating drum (4) is rotatably connected in the supporting plate (3) through bearings, and the upper end surface and the lower end surface of the rotating drum (4) extend on the upper side and the lower side of the supporting plate (3).

3. The annular blowout preventer top unloading device according to claim 1, wherein the outer side surface of the extension end of the rotary drum (4) on the upper side of the supporting plate (3) is fixedly sleeved with a ring gear (7).

4. The annular blowout preventer top discharging device according to claim 1, wherein the upper ends of the first motors on the left and right sides are fixedly mounted on the upper inner wall of the support frame on one side and the output end of the lower side of the support frame is fixedly connected with a first gear (8) which is meshed with the ring gear (7).

5. The annular blowout preventer top cap dismounting device according to claim 1, wherein a sliding groove (12) is formed right below each sliding rail (11), and the front end and the rear end of the sliding rod (13) are connected in the sliding rail (11) in an interactive manner.

6. An annular blowout preventer top discharge apparatus according to claim 1, wherein the lower end of the slide rod (13) is fixedly connected with a mounting plate (15) via a connecting plate and the lower end of the connecting plate extends through the chute (12) at the lower side of the disc (6), the connecting plate being slidably connected within the chute (12).