CN208486859U - A kind of anti-extension protective device of preventer - Google Patents
A kind of anti-extension protective device of preventer Download PDFInfo
- Publication number
- CN208486859U CN208486859U CN201821139523.4U CN201821139523U CN208486859U CN 208486859 U CN208486859 U CN 208486859U CN 201821139523 U CN201821139523 U CN 201821139523U CN 208486859 U CN208486859 U CN 208486859U
- Authority
- CN
- China
- Prior art keywords
- preventer
- plate
- side wall
- bottom end
- protective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses a kind of anti-extension protective devices of preventer, protective plate including being located at preventer top, the top of the preventer is equipped with upper flange, assistant connecting pipe there are two being all provided on the both ends side wall of preventer, the positioning plate that section is U-shaped is welded on the two sides side wall of the protective plate, the bottom end side wall of positioning plate extends to the bottom end of upper flange, equally distributed fixation hole there are two being opened on the protective plate, movable span is provided on the bottom end side wall of positioning plate, vertically disposed fixed pin is slidably connected in movable span, the through-hole that one end of fixed pin passes through on upper flange is plugged on protective plate in fixation hole, spring is socketed on fixed pin, the both ends of spring are connected on fixed pin and positioning plate, vertically disposed connecting plate is connected on the two sides side wall of the protective plate.The utility model can be conveniently fixed on preventer, and the port of the assistant connecting pipe of the upper flange and preventer both ends to preventer is protected.
Description
Technical field
The utility model relates to protection mechanism technical field more particularly to a kind of anti-extension protective devices of preventer.
Background technique
Preventer is common security seal wellhead assembly in a kind of oilfield downhole operation.At present underground work scene rise,
When lower oil pipe, by well control requirement, need to connect preventer on production tree tubing head, for preventing blowout.
Preventer is only used alone when in use in the prior art, does not set up protective device.
In the process of implementing the utility model, the existing technology has at least the following problems for designer's discovery:
Since the flange external diameter of preventer is greater than case width, when oil pipe is sling in lower oil pipe operation from slideway, if oily
Pipe front box cupling hangs up ring flange bottom plane, then rear portion tilts, and easily causes personal injury；Rise, lower oil pipe operation when, suspension
The elevator of tubing string inevitably repeatedly impacts preventer upper flange plate end face, easy damaged preventer steel ring slot, so that
Steel ring not can enter or blow-by when robbing dress Blowout prevention wellhead on preventer, easily causes security risk, increases staff labor intensity, drop
Low speed of application, thus it is proposed that a kind of anti-extension protective device of preventer.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the anti-extension of a kind of preventer proposed
Protective device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of anti-extension protective device of preventer, the protective plate including being located at preventer top, the top of the preventer is set
There is upper flange, be all provided on the both ends side wall of preventer there are two assistant connecting pipe, is welded on the two sides side wall of the protective plate
Having section is the positioning plate of U-shaped, and the bottom end side wall of positioning plate extends to the bottom end of upper flange, opens that there are two on the protective plate
The fixation hole of even distribution is provided with movable span on the bottom end side wall of positioning plate, vertically disposed fixation is slidably connected in movable span
Pin, the through-hole that one end of fixed pin passes through on upper flange are plugged on protective plate in fixation hole, and spring, bullet are socketed on fixed pin
The both ends of spring are connected on fixed pin and positioning plate, are connected with vertically disposed connection on the two sides side wall of the protective plate
Plate, the bottom end of connecting plate are connected with horizontally disposed fixed plate, and horizontally disposed sliding slot is provided on the bottom end side wall of fixed plate, sliding
It is rotatably connected to threaded rod in slot, the sliding block being slidably connected in sliding slot, the bottom end connection of sliding block are threaded on threaded rod
In the protection box for being slidably connected at fixed plate bottom end, protection box is equipped with opening close to the side side wall of assistant connecting pipe.
Preferably, the bottom end two sides that the top two sides of the protection box are equipped with limited block fixed plate are provided with limiting slot,
Limited block is slidably connected in limiting slot.
Preferably, far from being opened on the side side wall of opening there are two connecting hole, connecting hole internal screw thread connects the protection box
It is connected to sealing-plug.
Preferably, the cross section of the protective plate is circle, and the middle position of protective plate is provided with identical as upper flange internal diameter
Through-hole.
Preferably, the fixation hole on the protective plate is identical as the movable axially bored line on positioning plate, internal diameter is identical.
Preferably, the connecting plate is located at the two sides of positioning plate.
The utility model has the beneficial effects that pass through the setting of protective plate, positioning plate, fixation hole, spring and fixed pin, it can
It is conveniently fixed on preventer, and the upper flange of preventer is protected, its sealing surface is prevented to be scraped off；
It, can be to preventer both ends by the setting of protection box, connecting hole, sealing-plug, sliding block, threaded rod and fixed plate
The port of assistant connecting pipe is protected, and when need to use, is easy to open；
The present apparatus can be conveniently fixed on preventer, and the auxiliary of the upper flange and preventer both ends to preventer connects
It is protected the port of adapter tube.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of preventer it is anti-hang protective device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of preventer it is anti-hang protective device fragmentary bottom structural schematic diagram；
Fig. 3 be the utility model proposes a kind of preventer it is anti-hang protective device partial side structural schematic diagram.
In figure: 1 preventer, 2 assistant connecting pipes, 3 protection boxes, 4 connecting holes, 5 sealing-plugs, 6 sliding blocks, 7 threaded rods, 8 are fixed
Plate, 9 connecting plates, 10 upper flanges, 11 protective plates, 12 through-holes, 13 sliding slots, 14 limiting slots, 15 limited blocks, 16 positioning plates, 17 are fixed
Hole, 18 springs, 19 fixed pins.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, the anti-extension protective device of a kind of preventer, the protective plate 11 including being located at 1 top of preventer are described anti-
The top of spray apparatus 1 is equipped with upper flange 10, is all provided with that there are two assistant connecting pipe 2, the protective plates 11 on the both ends side wall of preventer 1
Two sides side wall on be welded with the positioning plate 16 that section is U-shaped, the bottom end side wall of positioning plate 16 extends to the bottom of upper flange 10
End is opened on the protective plate 11 there are two equally distributed fixation hole 17, is provided with movable span on the bottom end side wall of positioning plate 16, living
Vertically disposed fixed pin 19 is slidably connected in dynamic hole, through-hole of the one end of fixed pin 19 on upper flange 10 is plugged on anti-
On backplate 11 in fixation hole 17, spring 18 is socketed on fixed pin 19, the both ends of spring 18 are connected to fixed pin 19 and determine
On the plate 16 of position, vertically disposed connecting plate 9 is connected on the two sides side wall of the protective plate 11, the bottom end of connecting plate 9 is connected with
Horizontally disposed fixed plate 8 is provided with horizontally disposed sliding slot 13 on the bottom end side wall of fixed plate 8, is rotatably connected in sliding slot 13
Threaded rod 7, one end of threaded rod 7 are connected with rotational handle, the cunning being slidably connected in sliding slot 13 are threaded on threaded rod 7
Block 6, the bottom end of sliding block 6 are connected to the protection box 3 for being slidably connected at 8 bottom end of fixed plate, and protection box 3 is close to assistant connecting pipe 2
Side side wall is equipped with opening, and the bottom end two sides that the top two sides of protection box 3 are equipped with 15 fixed plate 8 of limited block are provided with limit
Slot 14, limited block 15 are slidably connected in limiting slot 14, and there are two connecting holes far from opening on the side side wall of opening for protection box 3
4,4 internal screw thread of connecting hole is connected with sealing-plug 5, and the cross section of protective plate 11 is circle, the middle position of protective plate 11 be provided with
The identical through-hole 12 of 10 internal diameter of upper flange, the fixation hole 17 on protective plate 11 and the movable axially bored line on positioning plate 16 are identical, interior
Diameter is identical, and connecting plate 9 is located at the two sides of positioning plate 16.
Embodiment: when in use, protective plate 11 being placed on the upper flange 10 on preventer 1, so that positioning plate 16
Bottom end side wall is located at the lower section of upper flange 10, pulls fixed pin 19, so that the top of fixed pin 19 passes through leading on upper flange 10
Hole is plugged in the fixation hole 17 on protective plate 11, is fixed, and the rotational handle at 7 both ends of threaded rod, threaded rod 7 and cunning are rotated
Block 6 is threadedly coupled, and band movable slider 6 slides in sliding slot 13, and limited block 15 is driven to slide in limiting slot 14, drives protection box 3
The port for covering on the assistant connecting pipe 2 at 1 both ends of preventer, protects it, when needing using port, extracts sealing-plug 5,
Facilitate and carry out pipeline connection, the present apparatus can be conveniently fixed on preventer 1, and upper flange and preventer 1 to preventer 1
It is protected the port of the assistant connecting pipe 2 at both ends.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of anti-extension protective device of preventer, the protective plate (11) including being located at preventer (1) top, which is characterized in that institute
The top for stating preventer (1) is equipped with upper flange (10), is all provided on the both ends side wall of preventer (1) there are two assistant connecting pipe (2),
The positioning plate (16) that section is U-shaped, the bottom end side wall of positioning plate (16) are welded on the two sides side wall of the protective plate (11)
The bottom end of upper flange (10) is extended to, is opened on the protective plate (11) there are two equally distributed fixation hole (17), positioning plate
(16) it is provided with movable span on bottom end side wall, is slidably connected in movable span vertically disposed fixed pin (19), fixed pin (19)
One end pass through the through-hole on upper flange (10) and be plugged on protective plate (11) in fixation hole (17), fixed pin is socketed on (19)
Spring (18), the both ends of spring (18) are connected on fixed pin (19) and positioning plate (16), and the two of the protective plate (11)
It being connected on the side wall of side vertically disposed connecting plate (9), the bottom end of connecting plate (9) is connected with horizontally disposed fixed plate (8), Gu
It is provided on the bottom end side wall of fixed board (8) horizontally disposed sliding slot (13), is rotatably connected to threaded rod (7), screw thread in sliding slot (13)
The sliding block (6) being slidably connected in sliding slot (13) is threaded on bar (7), the bottom end of sliding block (6), which is connected to, to be slidably connected at
The protection box (3) of fixed plate (8) bottom end, side side wall of the protection box (3) close to assistant connecting pipe (2) are equipped with opening.
2. the anti-extension protective device of a kind of preventer according to claim 1, which is characterized in that the top of the protection box (3)
The bottom end two sides that end two sides are equipped with limited block (15) fixed plate (8) are provided with limiting slot (14), and limited block (15) is slidably connected
In limiting slot (14).
3. the anti-extension protective device of a kind of preventer according to claim 1, which is characterized in that the protection box (3) is separate
It is opened on the side side wall of opening there are two connecting hole (4), connecting hole (4) internal screw thread is connected with sealing-plug (5).
4. the anti-extension protective device of a kind of preventer according to claim 1, which is characterized in that the cross of the protective plate (11)
Section is circle, and the middle position of protective plate (11) is provided with through-hole (12) identical with upper flange (10) internal diameter.
5. the anti-extension protective device of a kind of preventer according to claim 1, which is characterized in that on the protective plate (11)
Fixation hole (17) is identical as the movable axially bored line on positioning plate (16), internal diameter is identical.
6. the anti-extension protective device of a kind of preventer according to claim 1, which is characterized in that the connecting plate (9) is located at
The two sides of positioning plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139523.4U CN208486859U (en) | 2018-07-18 | 2018-07-18 | A kind of anti-extension protective device of preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139523.4U CN208486859U (en) | 2018-07-18 | 2018-07-18 | A kind of anti-extension protective device of preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208486859U true CN208486859U (en) | 2019-02-12 |
Family
ID=65247674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821139523.4U Expired - Fee Related CN208486859U (en) | 2018-07-18 | 2018-07-18 | A kind of anti-extension protective device of preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208486859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324520A (en) * | 2021-12-15 | 2022-11-11 | 江苏瑞亿石油机械有限公司 | Blowout preventer hanging prevention protection device and blowout preventer assembly |
-
2018
- 2018-07-18 CN CN201821139523.4U patent/CN208486859U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324520A (en) * | 2021-12-15 | 2022-11-11 | 江苏瑞亿石油机械有限公司 | Blowout preventer hanging prevention protection device and blowout preventer assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2610690A (en) | Mud box | |
| US4291762A (en) | Apparatus for rapidly attaching an inside blowout preventer sub to a drill pipe | |
| US7350586B2 (en) | Casing running tool and method of using same | |
| US7178612B2 (en) | Automated arm for positioning of drilling tools such as an iron roughneck | |
| US4274777A (en) | Subterranean well pipe guiding apparatus | |
| US4593773A (en) | Well drilling assembly | |
| CN109322628B (en) | Unmanned operation equipment for small workover wellhead | |
| US9903183B2 (en) | Method and apparatus for catching and retrieving objects in a well | |
| CA2363710A1 (en) | Spool for pressure containment used in rigless well completion, re-completion, servicing or workover | |
| BRPI0804410B1 (en) | FLUID DRILLING EQUIPMENT | |
| GB2396176A (en) | Subsea wellhead equipment | |
| CN208486859U (en) | A kind of anti-extension protective device of preventer | |
| US9027217B2 (en) | Blowout preventer head removal tools and methods | |
| CN104612612B (en) | Hanging and tensioning device, production tubular column and tensioning and tie-back method of coiled tubing | |
| US2213309A (en) | Blowout preventer | |
| CN207017955U (en) | A kind of Operating Pressure maintenance of underground device | |
| US9458702B1 (en) | Method and apparatus for catching and retrieving objects in a riser assembly | |
| CN202596641U (en) | Oil, water, gas well operation string anti-jacking device | |
| CN105298427B (en) | Mechanical wellhead hookup and blowing favourable turn adopt integrated apparatus | |
| RU205458U1 (en) | Emergency suspension device for drilling tools on wellhead equipment | |
| CN208578527U (en) | A kind of drilling rig for exploiting petroleum | |
| US20170074060A1 (en) | Pipe centering and washing apparatus | |
| CN206554813U (en) | Kill line with profit recovery structure | |
| CN207527119U (en) | It is a kind of to close valve tool for the manual of safety valve | |
| US1519136A (en) | Drill-rod packing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20190718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |