CN203271663U - All-purpose blowout preventer without side door bolts - Google Patents

All-purpose blowout preventer without side door bolts Download PDF

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Publication number
CN203271663U
CN203271663U CN 201320256771 CN201320256771U CN203271663U CN 203271663 U CN203271663 U CN 203271663U CN 201320256771 CN201320256771 CN 201320256771 CN 201320256771 U CN201320256771 U CN 201320256771U CN 203271663 U CN203271663 U CN 203271663U
Authority
CN
China
Prior art keywords
side door
blowout preventer
spring
plate
side plate
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
Application number
CN 201320256771
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Chinese (zh)
Inventor
付兴旺
段伟克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bo Lu Tian Bao Hebei Oil Device Fabrication Co Ltd
Original Assignee
Bo Lu Tian Bao Hebei Oil Device Fabrication Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bo Lu Tian Bao Hebei Oil Device Fabrication Co Ltd filed Critical Bo Lu Tian Bao Hebei Oil Device Fabrication Co Ltd
Priority to CN 201320256771 priority Critical patent/CN203271663U/en
Application granted granted Critical
Publication of CN203271663U publication Critical patent/CN203271663U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

An all-purpose blowout preventer without side door bolts structurally comprises a blowout preventer shell body and a side door base, wherein a wedge disc assembly is arranged in the blowout preventer, and the side door base is connected with the shell body through a connecting assembly. The all-purpose blowout preventer without the side door bolts is characterized in that the connecting assembly structurally comprises a hollow side plate connected with the shell body and limiting plug pins arranged on the side face of the hollow side plate, limiting connecting holes are formed in the contact faces of the side door base and the hollow side plate, and the limiting plug pins are inserted into the limiting connecting holes and are locked and located through safe inserting pins. A groove is further formed in the side plate, a first spring and an ejecting block connected to the end of the first spring are fixedly arranged in the groove, a horseshoe-shaped locking block is further arranged at the end of the ejecting block, the side door base penetrates through a hollow cavity of the side plate, a limiting groove matched with the horseshoe-shaped locking block is arranged on the peripheral face of the side door base, and the horseshoe-shaped locking block is driven by the first spring to be inserted into the limiting groove to form an auxiliary locking structure. Due to the fact that the mode of connection without the side door bolts is adopted, a side door and the shell body can be connected quickly, the side door can be unlocked in a hydraulic mode, and therefore the all-purpose blowout preventer reduces the labor intensity of an operator for replacing a wedge disc and improves working efficiency.

Description

A kind of universal blowout preventer without the side door bolt
Technical field
The utility model belongs to the drilling technology field, relates to a kind of preventer, is a kind of rapid connecting side door type gate-tube preventer.
Background technology
At present, in conventional preventer operation or well workover, usually need to change the flashboard that is fit to different pore size for different drilling rods, oil pipe, or the flashboard that damages is changed.The side door base of conventional preventer is bolted on housing by side door, and this side door base-seat fixing structure is simple, opens side door replacing flashboard and need to dismantle the side door bolt, and labour intensity is large, and the replacing time is long, has affected operating efficiency.Change for conventional preventer the situation that flashboard is wasted time and energy, the preventer of a kind of Novel structure of design has realized that side door is connected with the quick of housing, alleviates the labour intensity that the operator changes flashboard, increases work efficiency.
Summary of the invention
The utility model has designed a kind of universal blowout preventer without the side door bolt in order to solve the problems of the technologies described above, and adopts to connect without side door bolt mode energy rapid connecting side door and housing and energy hydraulic pressure release side door, the preventer of quick-replaceable flashboard.
The technical solution adopted in the utility model is: a kind of universal blowout preventer without the side door bolt, structure comprises the preventer housing that is built-in with the flashboard assembly, and the side door base that is connected with housing by coupling assembling, key is: the structure of described coupling assembling comprises the hollow side plate that is connected with housing, the limit bolt that is arranged at hollow side plate side, be provided with spacing connecting hole on the contact surface of side door base and hollow side plate, limit bolt inserts in spacing connecting hole and by safe plug pin locking positioning.
The jacking block that also is provided with groove on described side plate, is fixed with the first spring and is connected with the first spring tip in groove, the termination of jacking block also is provided with ungulate lock dog, the side door base passes the cavity of side plate and be provided with the stopper slot that is complementary with ungulate lock dog on its peripheral surface, and ungulate lock dog inserts by the driving of the first spring and forms the auxiliary lock locking structure in stopper slot.
The beneficial effects of the utility model are: 1, realize that by coupling assembling housing is connected with the quick of side door, and time saving and energy saving; 2, adopt ungulate lock dog on the Driven by Hydraulic Cylinder side plate realized with the side door base fast, firmly be connected; 3, adopt locking trigger switch mechanism, in the time of can guaranteeing to throw off, ungulate lock dog is play not, make side door and flashboard assembly smoothly with the housing disengaging; 4, parts are built-in mostly, can reduce environmental attack.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 is the structural representation of Fig. 1 latus inframedium;
Fig. 4 is the view after ungulate lock dog release;
In accompanying drawing, the 1st, housing, the 2nd, flashboard assembly, the 3rd, side door base, 4 is first springs, the 5th, and jacking block, the 6th, side plate, the 7th, ungulate lock dog, the 8th, hanging wheel assembly, the 9th, push rod, the 10th, side door assembly, the 11st, support bar, 12 is second springs, the 13rd, and plate, the 14th, expansion link, the 15th, safe plug pin, the 16th, limit bolt, the 17th, spacing connection frid, the 18th, hydraulic cylinder, the 19th, piston rod, 20 is the 3rd springs, the 21st, and connecting rod, the 22nd, counterbore.
The specific embodiment
A kind of universal blowout preventer without the side door bolt, structure comprises the preventer housing 1 that is built-in with flashboard assembly 2, and the side door base 3 that is connected with housing 1 by coupling assembling, key is: the structure of described coupling assembling comprises the hollow side plate 6 that is connected with housing 1, the limit bolt 16 that is arranged at hollow side plate 6 sides, be provided with spacing connecting hole on the contact surface of side door base 3 and hollow side plate 3, limit bolt 16 inserts in spacing connecting holes and by safe plug pin 15 locking positionings.
The jacking block 5 that also is provided with groove on described side plate 6, is fixed with the first spring 4 and is connected with the first spring 4 terminations in groove floor, the termination of jacking block 5 also is provided with ungulate lock dog 7, side door base 3 passes the cavity of side plate 6 and be provided with the stopper slot that is complementary with ungulate lock dog 7 on its peripheral surface, and ungulate lock dog 7 inserts in stopper slot by the driving of the first spring 4 and forms locking mechanism.
In order to realize fast firm locking, the termination of described ungulate lock dog 7 has counterbore 22, the counterbore 22 that connecting rod 21 passes ungulate lock dog 7 with piston rod 19 be threaded, piston rod 19 has freedom of movement by the driving of hydraulic cylinder 18.
When connecting in order to guarantee to throw off, ungulate lock dog 7 is play not, also comprise locking trigger switch mechanism in locking mechanism, be included in the flexible passage that arranges on side plate 6 in the structure of this locking trigger switch mechanism, the second spring 12 that arranges in flexible passage, termination and housing 1 end face are fixed, the plate 13 that is connected with second spring 12 another terminations and be fixed in expansion link 14 on plate 13, also be provided with the plate through hole on jacking block 5, plate 13 drives expansion link 14 and passes plate through hole and spacing by the second spring 12.
For convenient lifting connects side door and housing, be provided with push rod 9 and suspension ring assembly 8 on side door base 3.
In order to guarantee sealing, the end of side door base 3 also is provided with annular seal groove, and the sealing ring that seals with housing 1, and sealing ring is fixed in annular seal groove.
In order to facilitate the staff to the judgement of locking action, cylinder bottom at hydraulic cylinder 18 also is provided with the 3rd spring 20, after side door base and housing disengagement, cutting off oil circuit, piston rod 19 drags connecting rod 21 and resets in the interior slip of counterbore 22 under the effect of the 3rd spring 20, avoided the damping force of hydraulic oil, realize ungulate lock dog 7 locking action fast and flexibles, and the staff can hear the sound of locking.
during concrete enforcement, preventer housing 1 is fixedly connected with by bolt with side plate 6, when side plate 6 is connected with side door base 3, at first the side door assembly 10 of hanging wheel assembly 8 will be housed together with flashboard assembly 2, side door base 3 lifts to support bar 11, with hand propelled push rod 9, when being pushed into the outer shroud end face of side door base 3 and expansion link 14 and joining, withstand expansion link 14 and continue and promote, until side door base 3 contacts with the end face of side plate 6, limit bolt 16 inserts in the spacing connecting hole that arranges on spacing connection frid 17, insert safe plug pin 15 locking positionings, meanwhile, expansion link 14 is retracted, the plate through hole that release plate 13 breaks away from jacking block 5, ungulate lock dog 7 is moved in the annular spacing groove of side door base 3 under the elastic force effect of the first spring 4, connect hydraulic oil pipeline, make piston rod 19 withstand ungulate lock dog 7, side door base 3 is fixed on housing 1 together with side door assembly 10.
when side plate 6 is thrown off with side door base 3, extract safe plug pin 15, switch hydraulic oil pipeline, piston rod 19 pulls connecting rod 21 in the interior slip of counterbore 22, the ungulate lock dog 7 of the rear drive that puts in place, ungulate lock dog 7 and the annular spacing groove of side door base 3 are thrown off, pull with hand push rod 9, make base 3 break away from housing 1 together with side door assembly 10, meanwhile under the elastic force effect of the second spring 12, plate 13 moves in plate through hole on jacking block 5, expansion link 14 stretches out side plate 6 end faces, ungulate lock dog 7 is fixing, cut off oil circuit, piston rod 19 drags connecting rod 21 and resets in the interior slip of counterbore 22 under the effect of the 3rd spring 20.

Claims (7)

1. universal blowout preventer without the side door bolt, structure comprises the preventer housing (1) that is built-in with flashboard assembly (2), reach the side door base (3) that is connected with housing (1) by coupling assembling, it is characterized in that: the structure of described coupling assembling comprises the hollow side plate (6) that is connected with housing (1), be arranged at the limit bolt (16) of hollow side plate (6) side, be provided with spacing connecting hole on the contact surface of side door base (3) and hollow side plate (3), limit bolt (16) inserts in spacing connecting hole, and by safe plug pin (15) locking positioning.
2. a kind of universal blowout preventer without the side door bolt according to claim 1, it is characterized in that: the jacking block (5) that described side plate also is provided with groove on (6), is fixed with the first spring (4) and is connected with the first spring tip in groove, the termination of jacking block (5) also is provided with ungulate lock dog (7), side door base (3) passes the cavity of side plate (6) and be provided with the stopper slot that is complementary with ungulate lock dog (7) on its peripheral surface, and ungulate lock dog (7) inserts by the driving of the first spring and forms the auxiliary lock locking structure in stopper slot.
3. a kind of universal blowout preventer without the side door bolt according to claim 2, it is characterized in that: the termination of described ungulate lock dog (7) has counterbore (22), the counterbore (22) that connecting rod (21) passes ungulate lock dog (7) is threaded with piston rod (19), and piston rod (19) has freedom of movement by the driving of hydraulic cylinder (18).
4. a kind of universal blowout preventer without the side door bolt according to claim 2, it is characterized in that: also comprise locking trigger switch mechanism in described auxiliary lock locking structure, be included in the upper flexible passage that arranges of side plate (6) in the structure of this locking trigger switch mechanism, arrange in flexible passage, the second spring (12) that termination and housing (1) end face is fixing, the plate (13) that is connected with the second spring (12) another termination, and be fixed in expansion link (14) on plate (13), jacking block also is provided with the plate through hole on (5), plate (13) drives expansion link (14) and passes the plate through hole, and spacing by the second spring (12).
5. a kind of universal blowout preventer without the side door bolt according to claim 1, is characterized in that: be provided with push rod (9) and suspension ring assembly (8) on described side door base (3).
6. a kind of universal blowout preventer without the side door bolt according to claim 1 is characterized in that: the end of described side door base (3) also is provided with annular seal groove, and the sealing ring that seals with housing (1), and sealing ring is fixed in annular seal groove.
7. a kind of universal blowout preventer without the side door bolt according to claim 3, it is characterized in that: the cylinder bottom of described hydraulic cylinder (18) also is provided with the 3rd spring (20).
CN 201320256771 2013-05-13 2013-05-13 All-purpose blowout preventer without side door bolts Expired - Fee Related CN203271663U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320256771 CN203271663U (en) 2013-05-13 2013-05-13 All-purpose blowout preventer without side door bolts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320256771 CN203271663U (en) 2013-05-13 2013-05-13 All-purpose blowout preventer without side door bolts

Publications (1)

Publication Number Publication Date
CN203271663U true CN203271663U (en) 2013-11-06

Family

ID=49502101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320256771 Expired - Fee Related CN203271663U (en) 2013-05-13 2013-05-13 All-purpose blowout preventer without side door bolts

Country Status (1)

Country Link
CN (1) CN203271663U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109394353A (en) * 2018-12-26 2019-03-01 常州赛乐医疗技术有限公司 A kind of gutta-percha filling instrument handle with integrated casing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109394353A (en) * 2018-12-26 2019-03-01 常州赛乐医疗技术有限公司 A kind of gutta-percha filling instrument handle with integrated casing
CN109394353B (en) * 2018-12-26 2024-03-12 常州赛乐医疗技术有限公司 Gutta-percha filling instrument handle with integrated shell

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131106

Termination date: 20160513

CF01 Termination of patent right due to non-payment of annual fee