CN217421107U - Blowout preventer locking device for continuous oil pipe - Google Patents
Blowout preventer locking device for continuous oil pipe Download PDFInfo
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- CN217421107U CN217421107U CN202221773203.0U CN202221773203U CN217421107U CN 217421107 U CN217421107 U CN 217421107U CN 202221773203 U CN202221773203 U CN 202221773203U CN 217421107 U CN217421107 U CN 217421107U
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- flashboard
- tailstock
- rod
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Abstract
The utility model discloses a locking device of a coiled tubing blowout preventer, which comprises a shell, a flashboard assembly and a hydraulic control assembly, wherein a flashboard piston rod which is sequentially connected with the flashboard assembly and a main piston which is positioned in a piston cavity are arranged in a flange; a locking assembly is arranged at one end of the flashboard piston rod close to the tailstock and connected to the tailstock; one of main piston is close to the cylinder cap is served and is equipped with the notch cuttype boss, has hung the switch display pole on the notch cuttype boss, and the switch display pole is T type pole, and the tip card of switch display pole is in the groove of notch cuttype boss, and the other end of switch display pole runs through in the suggestion subassembly of intussuseption behind cylinder cap and the tailstock in proper order. The utility model discloses a tailstock need not set up the observation window, has guaranteed the cleanness of preventer inner assembly to control through main piston drive switch display pole, make the switch display pole bump the travel switch who touches the warning light and show the position of switch display pole tip.
Description
Technical Field
The utility model relates to a coiled tubing preventer technical field especially relates to a coiled tubing preventer locking device.
Background
The coiled tubing blowout preventer is a key component of petroleum well control equipment, and is mainly used for controlling wellhead pressure in the processes of drilling, well workover, oil testing and the like, so that blowout accidents are effectively prevented, and safe construction is realized.
The coiled tubing blowout preventer sequentially comprises from top to bottom: the device comprises a full-sealing flashboard assembly, a shearing flashboard assembly, a slip flashboard assembly and a semi-sealing flashboard assembly. Different gate plate assemblies are selected to control according to different well conditions in the well.
The existing switch of the ram block of the blowout preventer judges the switch state of the ram block by observing the length of the rear end of a piston through a skylight formed on a tailstock of a locking device, but because the continuous oil pipe blowout preventer is mostly a four-ram blowout preventer and has higher height, particularly the switch of the upper ram block is difficult to observe, the continuous oil pipe blowout preventer needs to be close to the blowout preventer in a short distance during observation, and the personal safety of field operation personnel is not facilitated; and because the tailstock is provided with the skylight and dust and sand are easy to enter, the interior of the blowout preventer is polluted, and the service life of the blowout preventer is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coiled tubing preventer locking device solves foretell problem.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a locking device of coiled tubing preventer, including casing, flashboard assembly and hydraulic control assembly, the flashboard assembly sets up in the casing and be connected with the hydraulic control assembly, the hydraulic control assembly includes flange and two piston rods, flange and casing pass through bolt fixed connection, the one end of piston rod with the casing is connected, the other end through sealing sleeve for flange sliding connection to realize under the hydraulic control condition the separation or the combination of hydraulic control assembly and casing, be equipped with in the flange with the flashboard piston rod that the flashboard assembly connected gradually and the main piston that is located the piston intracavity, its characterized in that: a locking assembly is arranged at one end, close to the tailstock, of the flashboard piston rod, and the locking assembly is connected to the tailstock; the utility model discloses a prompt component, including main piston, tailstock, notch cuttype boss, switch display pole, notch cuttype boss, main piston is close to one of cylinder cap and serves and is equipped with the notch cuttype boss, it has switch display pole to hang on the notch cuttype boss, switch display pole is T type pole, the tip card of switch display pole is in the groove of notch cuttype boss, the other end of switch display pole runs through in proper order inject in the prompt component behind cylinder cap and the tailstock.
Furthermore, the locking assembly comprises a locking screw rod and a hand wheel, one end of the locking screw rod is connected with the hand wheel, and the other end of the locking screw rod is in threaded connection with the tailstock.
Furthermore, the prompt component comprises a fixing part and a plurality of prompt lamps arranged on the fixing part, the fixing part is close to one side of the switch display rod, a slot is formed in the one side of the switch display rod, a travel switch is arranged in the slot, and the travel switch controls the prompt lamps to be turned on and off.
Furthermore, the end of the cylinder cover is provided with a sealing assembly, and the sealing assembly is arranged on the switch display rod.
Furthermore, the sealing assembly comprises a pressing sleeve, two O-shaped sealing rings and four check rings, wherein the pressing sleeve, the two O-shaped sealing rings and the four check rings are sleeved on the switch display rod and seal the position, contacted with the end part of the cylinder cover, of the switch display rod.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses a tailstock need not set up the observation window, has guaranteed the cleanness of preventer inner assembly to control through main piston drive switch display pole, make the switch display pole bump the travel switch who touches the warning light and show the position of switch display pole tip.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a sectional view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a cross-sectional view of the seal assembly;
description of reference numerals: 1. a gate plate assembly; 2. a flange; 3. a piston rod; 4. a sealing sleeve; 5. a ram piston rod; 6. a piston cavity; 7. a primary piston; 8. a tailstock; 9. a cylinder cover; 10. a stepped boss; 11. a switch display lever; 12. locking the lead screw; 13. a hand wheel; 14. a fixing member; 15. a warning light; 16. a slot; 17. a travel switch; 18. pressing the sleeve; 19. an O-shaped sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a locking device of coiled tubing preventer, the utility model discloses install on coiled tubing preventer assembly, including casing, flashboard assembly 1 and hydraulic control assembly, flashboard assembly 1 sets up in the casing and be connected with the hydraulic control assembly, the hydraulic control assembly includes flange 2 and two piston rods 3, flange 2 and casing pass through bolt fixed connection, the one end of piston rod 3 with the casing is connected, the other end through sealing sleeve 4 for flange 2 sliding connection to realize under the hydraulic control condition the separation or the combination of hydraulic control assembly and casing, be equipped with in the flange 2 with flashboard piston rod 5 that flashboard assembly 1 connected gradually and main piston 7 that is located piston cavity 6.
One end of the flashboard piston rod 5 close to the tailstock 8 is provided with a locking assembly, the locking assembly is connected to the tailstock 8, the locking assembly comprises a locking screw rod 12 and a hand wheel 13, one end of the locking screw rod 12 is connected to the hand wheel 13, and the other end of the locking screw rod is in threaded connection with the tailstock 8.
One of main piston 7 near cylinder cap 9 serves and is equipped with notch cuttype boss 10, it shows pole 11 to hang the switch on the notch cuttype boss 10, switch shows pole 11 is T type pole, the tip card of switch shows pole 11 is in notch department of notch cuttype boss 10, the other end of switch shows pole 11 runs through in proper order inject the suggestion subassembly behind cylinder cap 9 and the tailstock 8 in.
The prompting assembly comprises a fixing piece 14 and a plurality of prompting lamps 15 arranged on the fixing frame 14, the fixing piece 14 is arranged on the tailstock 8, the fixing piece 14 is close to one side of the switch display rod 11, a slot 16 is formed in the slot 16, a travel switch 17 is arranged in the slot 16, the travel switch 17 controls the prompting lamps 15 to be switched on and switched off, the prompting lamps 15 and the travel switch 17 are powered by batteries, and the batteries are arranged in the fixing piece 14.
The tip of cylinder cap 9 is equipped with seal assembly, seal assembly sets up on the switch display pole 11, seal assembly is including pressing cover 18, two O type sealing washer 19 and four retaining rings, press cover 18, two O type sealing washers 19 and four retaining rings to overlap and establish on the switch display pole 11, and will on the switch display pole 11 with the position that the tip of cylinder cap 9 contacted is sealed.
The action process of the utility model is as follows:
when the main piston 7 moves leftwards in fig. 1, the switch display rod 11 is hung on the stepped boss 10, so that the switch display rod 11 moves along with the main piston, and after the end of the switch display rod 11 touches the travel switch 17, the travel switch 17 controls the corresponding prompting lamp 15 to light up, so as to indicate the positions of the flashboard piston rod 5 and the main piston 7, and thus indicate that the main piston is in an opening position at the moment;
when the main piston 7 moves rightwards in fig. 1, the switch display rod 11 moves along with the switch display rod 11 because the switch display rod 11 is hung on the stepped boss 10, and after the end of the switch display rod 11 is far away from the travel switch 17, the travel switch 17 controls the corresponding prompting lamp 15 to be turned off, so that the shutter piston rod 5 and the main piston 7 are in the closed position at the moment.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides a coiled tubing preventer locking device, includes casing, flashboard assembly (1) and hydraulic control assembly, flashboard assembly (1) sets up in the casing and be connected with hydraulic control assembly, hydraulic control assembly includes flange (2) and two piston rods (3), flange (2) and casing pass through bolt fixed connection, the one end of piston rod (3) with the casing is connected, the other end through sealed sleeve (4) for flange (2) sliding connection to realize under the hydraulic control condition the separation or the combination of hydraulic control assembly and casing, be equipped with in flange (2) with flashboard piston rod (5) that flashboard assembly (1) connected gradually and main piston (7) that are located piston chamber (6), its characterized in that: a locking assembly is arranged at one end, close to the tailstock (8), of the flashboard piston rod (5), and the locking assembly is connected to the tailstock (8); one of main piston (7) near cylinder cap (9) is served and is equipped with notch cuttype boss (10), it has switch display pole (11) to hang on notch cuttype boss (10), switch display pole (11) are T type pole, the tip card of switch display pole (11) is in the groove of notch cuttype boss (10), the other end of switch display pole (11) runs through in proper order inject in the suggestion subassembly behind cylinder cap (9) and tailstock (8).
2. The coiled tubing blowout preventer locking apparatus of claim 1, wherein: the locking assembly comprises a locking screw rod (12) and a hand wheel (13), one end of the locking screw rod (12) is connected with the hand wheel (13), and the other end of the locking screw rod is in threaded connection with the tailstock (8).
3. The coiled tubing blowout preventer locking device of claim 1, wherein: the prompting assembly comprises a fixing piece (14) and a plurality of prompting lamps (15) installed on the fixing piece (14), the fixing piece (14) is close to one side of the switch display rod (11), a slot (16) is formed in one side of the switch display rod, a travel switch (17) is arranged in the slot (16), and the travel switch (17) controls the prompting lamps (15) to be opened and closed.
4. The coiled tubing blowout preventer locking apparatus of claim 1, wherein: the end part of the cylinder cover (9) is provided with a sealing assembly, and the sealing assembly is arranged on the switch display rod (11).
5. The coiled tubing blowout preventer locking apparatus of claim 4, wherein: the sealing assembly comprises a pressing sleeve (18), two O-shaped sealing rings (19) and four check rings, wherein the pressing sleeve (18), the two O-shaped sealing rings (19) and the four check rings are sleeved on the switch display rod (11), and the switch display rod (11) is sealed at a position where the end part of the cylinder cover (9) is contacted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221773203.0U CN217421107U (en) | 2022-07-11 | 2022-07-11 | Blowout preventer locking device for continuous oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221773203.0U CN217421107U (en) | 2022-07-11 | 2022-07-11 | Blowout preventer locking device for continuous oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217421107U true CN217421107U (en) | 2022-09-13 |
Family
ID=83173868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221773203.0U Active CN217421107U (en) | 2022-07-11 | 2022-07-11 | Blowout preventer locking device for continuous oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217421107U (en) |
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2022
- 2022-07-11 CN CN202221773203.0U patent/CN217421107U/en active Active
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