CN206448790U - A kind of spherical glue core of the annular preventer with metal insert - Google Patents
A kind of spherical glue core of the annular preventer with metal insert Download PDFInfo
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- CN206448790U CN206448790U CN201621474834.7U CN201621474834U CN206448790U CN 206448790 U CN206448790 U CN 206448790U CN 201621474834 U CN201621474834 U CN 201621474834U CN 206448790 U CN206448790 U CN 206448790U
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- rubber part
- rubber
- annular
- glue core
- brace
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Abstract
The utility model discloses a kind of spherical glue core of annular preventer with metal insert, include the body of rubber part of annular, the middle part of the body of rubber part is provided with groove；The body of rubber part is uniformly provided with 12 brace rods along its circumferencial direction；The brace rod vulcanizes into a single integrated structure with body of rubber part；Wherein, the brace rod is bent to the center of circle direction of body of rubber part, and one end of the brace rod is bulb, and bulb is embedded in body of rubber part, and the direction volume that the brace rod extends to free end is gradually reduced；The outline of 12 brace rods surrounds with the outline of body of rubber part and forms spherical；The free end of 12 brace rods forms the clasping structure coordinated with drilling rod of annular；Also include auxiliary tightening structure, the auxiliary tightening structure is arranged on the inside of body of rubber part.Spherical glue core of the present utility model, its good seal performance.
Description
Technical field
The utility model is related to spherical blow-out preventer technical field, more particularly to a kind of annular preventer with metal derby is spherical
Glue core.
Background technology
Annular preventer（English：Annular Blowout Preventer）It is generally equipped with the large-scale of ram blowout preventer
Gate, can form a sealed annular space between tubing string and pit shaft during running, in the case of not having tubing string in well,
Shut-in well can be individually completed, its main function is：
(1) when there is tubing string in well, tubing string and the annular space of well head formation can be closed with a kind of glue core；
(2) can shunt in a well mouth full during empty well；
(3) during brill milling, grinding set, well logging and salvaging trouble of lost tool in hole is carried out, if when occurring overflow, blowout, can seal
The space that kelly bar, cable, the instrument and well head of steel wire rope and process accident are formed；
(4) in the case where decompression pressure regulator valve or small-sized accumulator coordinate, 18 ° can by force be risen without thin button butt welding casing adapter
Lower operation；
(5) when meeting serious overflow or blowout, for coordinating ram preventer and choke manifold to realize soft closing.
Rubber core of lubricator is the part of most critical in preventer, can be divided into by glue core shape by preventer：(1) annular rubber core
Preventer；(2) conical rubber core preventer；(3) assembly adhesive core preventer.
Hydraulic oil enters the closing chamber of oil cylinder during closing well, promotes piston stroking upward, and glue core is also up, in the restriction effect of top cover
Under, glue core can only concentric contraction, extruded rubber seals well head.Hydraulic oil enters the unlatching chamber of oil cylinder when driving a well, and promotes under piston
OK, piston is eliminated to the extruding force of glue core, and glue core restores to the original state in the presence of its own resilient, well is opened.
China has introduced annular preventer glue core since the middle of last century from foreign countries, but price is extremely expensive, and hands over
The goods cycle is long, has a strong impact on drilling well production work, sometimes has to a large amount of in advance in order to avoid influence drilling well production work
Purchase, so as to cause because of lengthy warehousing so that the failure of glue core, easily triggers drilling failure.Given birth to later by domestic relevant enterprise development
Production, has many years so far, but domestic annular preventer glue core quality fails to meet the demand of drilling well production always, and annular is anti-
Spray apparatus glue core is the core parts of shut-in well, and its performance is directly connected to the performance of annular preventer, domestic annular preventer glue
The problem of there is life-span deficiency in core, for a long time during sealing property, cold snap-back, the experiment of envelope zero, fatigue test and pressure-bearing make a trip
Since be always China's well-control equipment a short slab.
Current annular preventer glue core is also in competitively exploitation, and as the consumable accessory in well-control equipment, glue core is drilling well
The important leverage of safe construction, once occurring seal failure, will cause serious drilling failure.So, to improve annular blowout prevention
The quality of device glue core, develops high-performance ring shaped rubber core of lubricator and has great significance, that is to say, that its sealing of existing glue core
Performance is still not ideal enough, and the problems demand is solved.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provide a kind of annular with metal derby and prevent
The spherical glue core of spray apparatus.
To achieve the above object, the utility model provides a kind of spherical glue core of the annular preventer with metal derby, including：
The body of rubber part of annular, the middle part of the body of rubber part is provided with groove；
The body of rubber part is uniformly provided with 12 brace rods along its circumferencial direction；The brace rod and body of rubber part sulphur
It is melted into integrative-structure；
Wherein, the brace rod is bent to the center of circle direction of body of rubber part, and one end of the brace rod is bulb, swollen
Big portion is embedded in body of rubber part, and the direction volume that the brace rod extends to free end is gradually reduced；12 brace rods
The outline of outline and body of rubber part surrounds and forms spherical；The free end of 12 brace rods formed annular and drilling rod
The clasping structure of cooperation；
Also include auxiliary tightening structure, the auxiliary tightening structure is arranged on the inside of body of rubber part.
It is preferred that, the endosexine of the body of rubber part is additionally provided with wearing layer.
It is preferred that, the auxiliary tightening structure includes spheroid, and the spheroid includes heat-insulated successively from outside to inside
Sealant, electric heating layer, low-melting-point metal particle-filled layers, the electric heating layer also include positive terminal and the positive terminal
The negative terminal being oppositely arranged, when body of rubber part is under pressure, positive terminal, negative terminal are in close contact, and electric heating layer, which is powered, to be added
Heat, the outer surface of the spheroid is additionally provided with two symmetrical fixed columns.
It is pointed out that the fixed column is cylindrical, it is embedded into body of rubber part, plays fixed spheroid
Effect.The positive terminal, negative terminal are in horizontally disposed.The spherical glue core, refers to, from glue core on the whole from, its outline
It is in spherical shape.
The beneficial effects of the utility model are：Spherical glue core of the present utility model, its good seal performance passes through body of rubber
Part carries out tight seal drilling rod, is held tightly by brace rod on drilling rod, strengthens sealing reliability.In addition, by setting auxiliary to receive
Locking structure, auxiliary tightening device is triggered when body of rubber part is by elevated pressures, during triggering, electric heater unit heating low melting point
Metallic particles packed layer, low-melting-point metal particle-filled layers melt after heated, the low-melting-point metal formation flowable state after thawing,
So as to strengthening the compliance of body of rubber part, make body of rubber part more soft, to adapt to spherical glue core on drilling rod repeatedly
Expansion, the working condition shunk.The sealed insulation layer plays certain thermal resistance effect, it is to avoid rubber aging at high temperature, but
It is that sealed insulation layer can still distribute certain heat, to heat rubber main component, makes that under underground low temperature itself can be improved
Heat insulation effect, so as to lift its service life.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the utility model one；
Fig. 2 is the schematic diagram of Fig. 1 other direction；
Fig. 3 is the structural representation of another embodiment of the utility model, and Fig. 3 is the further expansion to Fig. 1.
Reference：
Body of rubber part 10；Brace rod 20；Aid in tightening structure 30；Sealed insulation layer 301；Electric heating layer 302；Low melting point
Metallic particles packed layer 303；Positive terminal 304；Negative terminal 305；Fixed column 306；Fixture 40；Groove 50.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Referring to figs. 1 to Fig. 3, the utility model provides a kind of spherical glue core of the annular preventer with metal derby, including：Annular
Body of rubber part 10, the middle part of the body of rubber part 10 is provided with groove 50；The body of rubber part 10 is along its circumferencial direction
It is uniformly provided with 12 brace rods 20；The brace rod 20 vulcanizes into a single integrated structure with body of rubber part 10；Wherein, the brace rod
20 bend to the center of circle direction of body of rubber part 10, and one end of the brace rod 20 is bulb, and bulb is embedded in rubber master
In body part 10, the direction volume that the brace rod 20 extends to free end is gradually reduced；The outline of 12 brace rods 20 and rubber
The outline of glue main component 10 surrounds and forms spherical；The free end of 12 brace rods 20 formed annular with drilling rod coordinate
Clasping structure；Also include auxiliary tightening structure 30, the auxiliary tightening structure 30 is arranged on the inside of body of rubber part 10.Its
In, the brace rod 20 is metalwork, is made of metal material, specifically corrosion resistant metal or with corrosion-resistant top layer
Metalwork.
The utility model can be used on annular preventer.
One embodiment of the present utility model, the endosexine of the body of rubber part 10 is additionally provided with wearing layer.
One embodiment of the present utility model, the auxiliary tightening structure 30 includes spheroid, and the spheroid is by outer
Include sealed insulation layer 301, electric heating layer 302, low-melting-point metal particle-filled layers 303, the electric heating layer successively to interior
302 also include positive terminal 304, the negative terminal 305 being oppositely arranged with the positive terminal 304, when body of rubber part 10 is pressed
During power, positive terminal 304, negative terminal 305 are in close contact, the electrified regulation of electric heating layer 302, and the outer surface of the spheroid is additionally provided with
Two symmetrical fixed columns 306.
It is pointed out that the fixed column 306 is cylindrical, it is embedded into body of rubber part 10, plays fixation ellipse
The effect of spheroid.The positive terminal 304, negative terminal 305 are in horizontally disposed.The spherical glue core, refers to, is seen on the whole from glue core
Examine, its outline is in spherical shape.The auxiliary tightening structure 30 can set one or several, when setting several, number
Individual auxiliary tightening structure 30 is symmetric around the center of circle of body of rubber part 10.2 body of rubber parts 10 are such as set, then two
The center of circle of body of rubber part 10 1 is symmetrical centre, symmetrical.In order to strengthen the knot between brace rod 20 and body of rubber part 10
Firmness is closed, brace rod 20 is connected with body of rubber part 10 by fixture 40, is such as bolted.
The beneficial effects of the utility model are：Spherical glue core of the present utility model, its good seal performance passes through body of rubber
Part 10 carries out tight seal drilling rod, is held tightly by brace rod 20 on drilling rod, strengthens sealing reliability.In addition, auxiliary by setting
Tightening structure 30 is helped, auxiliary tightening device is triggered when body of rubber part 10 is by elevated pressures, and during triggering, electric heater unit adds
Hot low-melting-point metal particle-filled layers 303, low-melting-point metal particle-filled layers 303 melt after heated, the low melting point after thawing
Metal formation flowable state, so as to strengthen the compliance of body of rubber part 10, makes body of rubber part 10 more soft, spherical to adapt to
Expansion of the glue core on drilling rod repeatedly, the working condition shunk.The sealed insulation layer 301 plays certain thermal resistance effect, keeps away
Exempt from rubber aging at high temperature, still, sealed insulation layer 301 can still distribute certain heat, to heat rubber main component
10, make that the heat insulation effect of itself can be improved under underground low temperature, so as to lift its service life.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and
Modification.
Claims (3)
1. a kind of spherical glue core of the annular preventer with metal insert, it is characterised in that including：
The body of rubber part of annular, the middle part of the body of rubber part is provided with groove；
The body of rubber part is uniformly provided with 12 brace rods along its circumferencial direction；The brace rod is sulfided into body of rubber part
Integrative-structure；
Wherein, the brace rod is bent to the center of circle direction of body of rubber part, and one end of the brace rod is bulb, bulb
It is embedded in body of rubber part, the direction volume that the brace rod extends to free end is gradually reduced；The foreign steamer of 12 brace rods
The wide outline with body of rubber part surrounds and forms spherical；The free end of 12 brace rods forms coordinating with drilling rod for annular
Clasping structure；
Also include auxiliary tightening structure, the auxiliary tightening structure is arranged on the inside of body of rubber part.
2. the spherical glue core of the annular preventer with metal insert according to claim 1, it is characterised in that the rubber master
The endosexine of body part is additionally provided with wearing layer.
3. the spherical glue core of the annular preventer with metal insert according to claim 1, it is characterised in that the auxiliary is received
Locking structure includes spheroid, and the spheroid includes sealed insulation layer, electric heating layer, low-melting-point metal successively from outside to inside
Particle-filled layers, the electric heating layer also includes positive terminal, the negative terminal being oppositely arranged with the positive terminal, works as body of rubber
When part is under pressure, positive terminal, negative terminal are in close contact, electric heating layer electrified regulation；The outer surface of the spheroid is additionally provided with
Two symmetrical fixed columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621474834.7U CN206448790U (en) | 2016-12-30 | 2016-12-30 | A kind of spherical glue core of the annular preventer with metal insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621474834.7U CN206448790U (en) | 2016-12-30 | 2016-12-30 | A kind of spherical glue core of the annular preventer with metal insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206448790U true CN206448790U (en) | 2017-08-29 |
Family
ID=59673655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621474834.7U Expired - Fee Related CN206448790U (en) | 2016-12-30 | 2016-12-30 | A kind of spherical glue core of the annular preventer with metal insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206448790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396241A (en) * | 2022-03-28 | 2022-04-26 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
-
2016
- 2016-12-30 CN CN201621474834.7U patent/CN206448790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396241A (en) * | 2022-03-28 | 2022-04-26 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
| CN114396241B (en) * | 2022-03-28 | 2022-06-10 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
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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: 20170829 Termination date: 20181230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |