CN104827274A - Side door opening apparatus of ram blowout preventer - Google Patents
Side door opening apparatus of ram blowout preventer Download PDFInfo
- Publication number
- CN104827274A CN104827274A CN201410048714.XA CN201410048714A CN104827274A CN 104827274 A CN104827274 A CN 104827274A CN 201410048714 A CN201410048714 A CN 201410048714A CN 104827274 A CN104827274 A CN 104827274A
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- China
- Prior art keywords
- side door
- unit
- ram preventer
- door opening
- motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The present invention discloses a side door opening apparatus of a ram blowout preventer. The side door opening apparatus comprises a movable guide bracket, a height adjusting unit, a side door opening unit and a power unit. The side door opening apparatus is characterized in that the movable guide bracket is provided with universal wheels, is capable of conveniently moving and adjusting the working position and is mutually fixed with the ram blowout preventer through an upper connection plate and a lower connection plate; the height adjusting unit is arranged at the top of the movable guide bracket; a motor is used for driving a roller and a steel wire rope to adjust the height of the side door opening unit; the side door opening unit is capable of moving up and down along a guide post of the movable guide bracket; a side door of the ram blowout preventer can be opened by the extending and retracting actions of a large hydraulic cylinder and a small hydraulic cylinder; and the power unit is used for supplying power to the large hydraulic cylinder, the small hydraulic cylinder and the motor. The side door opening apparatus is simple to operate and stable and reliable in running, and is capable of opening the side doors of various ram blowout preventers, reducing labor intensity and improving safety guarantee and working efficiency.
Description
Technical field
The present invention relates to ram preventer maintenance field, particularly relate to a kind of ram preventer opening device for side door.
Background technology
Ram preventer is the crucial well-control equipment realizing in drilling well and workover treatment controlling well head pressure; According to national standard, to in-service ram preventer, except carrying out except daily maintenance at the scene, also regularly to carry out maintenance overhaul, to guarantee ram preventer high and low pressure used sealing effectively, flexible operation, reliable, to stop the generation of blowout out of control malignant event, avoid casualties, environmental pollution, device damage and petroleum resources serious waste; In maintenance process, for guaranteeing effectively to check ram preventer inner each sealing surface, gate rubber core working face, flashboard body and changing sealing ring etc. everywhere, need side door to open.Due to ram preventer work under bad environment, drilling fluid, crude oil etc. is often had to be cemented on ram preventer shell, cause after unloading the connecting bolt between underside gate and ram blowout preventer body, together with side door is still tightly adhered with ram blowout preventer body, the mode that weight swings jarring is manually knocked or is hung in normal employing for this reason, not only labour intensity is large, also there is great potential safety hazard.
Summary of the invention
The object of this invention is to provide a kind of ram preventer opening device for side door, the deficiency of above-mentioned prior art can be overcome, open the side door of various ram preventer safely and smoothly.
The present invention is made up of removable guiding trestle, height adjusting unit, side door unlatching unit and power unit, it is characterized in that removable guiding trestle is provided with universal wheel, convenient mobile, adjustment operating position, and interfixed by upper and lower connecting plate and ram preventer; Height adjusting unit is positioned at the top of removable guiding trestle, regulates side door to open the height of unit by motor head roll and steel wire rope; Side door is opened unit and can be moved up and down along the lead of removable guiding trestle, the side door of ram preventer can be opened by the expanding-contracting action of large and small fluid cylinder; Power unit provides power to large and small fluid cylinder, motor.The side door of various ram preventer can be opened safely and smoothly by this device.
Removable guiding trestle is made up of universal wheel, base, lead, upper junction plate, lower connecting plate, guide runner and lock-screw.Upper and lower connecting plate is connected by alignment pin with the upper and lower adpting flange of ram preventer respectively, for the relative position of fixing movable supporting frame and ram preventer; Guide runner can reduce the frictional force of upper and lower connecting plate and lead, the convenient height regulating upper and lower connecting plate; Lock-screw is for locking the height of upper and lower connecting plate.
Height adjusting unit is made up of motor, cylinder, rolling stand, pulley and steel wire rope.Motor can head roll forward or reverse; Cylinder is divided into two grooves, and the steel wire rope of the left and right sides winding direction on cylinder is contrary, and the steel wire rope that can ensure both sides during drum rotating is simultaneously rolled-up or put down; The upper plate that unit is opened with side door in steel wire rope lower end is connected.
Side door opens unit by upper plate, lower plate, connecting rod, support bar, large fluid cylinder, small liquid jar, guide runner, clamping hand assembly with hold out against axle sleeve and form.Upper plate is connected together by connecting rod and nut with lower plate; Large fluid cylinder and small liquid jar all adopt gudgeon type of attachment, by upper plate and lower plate location; Guide runner can reduce the frictional force that side door opens unit and lead, conveniently regulates height; Clamping hand assembly is connected with large liquid cylinder piston bar, for clamping ram preventer side door outer end sleeve; Hold out against axle sleeve to be connected with small liquid jar piston rod, for holding out against ram preventer rear portion axle bed.
Power unit is made up of little universal wheel, small footprint, fuel tank, motor, hydraulic pump, valve group, oil filter, Pressure gauge, liquid level liquid thermometer, air filter and pipeline.Power unit is equipped with universal wheel, is movable to required operating position; Valve group adopts hand-operated direction valve, controls motor, small liquid jar and large fluid cylinder action respectively, flexible to operation.
Advantage of the present invention mainly contains following 3 points.
1) power unit and removable guiding trestle are all equipped with universal wheel, conveniently move to required operating position; Upper junction plate, lower connecting plate and side door are opened unit and all guide runner are housed, and conveniently regulate height.
2) the height adjustment of side door unlatching unit and the breakdown action of ram preventer side door all adopt hydraulic-driven, simple to operate, operate steadily reliable, greatly reduce labour intensity, improve safety guarantee.
3) side door unlatching unit is equipped with 2 small liquid jars and 2 large fluid cylinders, adopts symmetrical structure to arrange, can be opened by 2 side doors simultaneously, save the working time, improve operating efficiency.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present invention.
Fig. 2 opens the connection diagram before ram preventer side door.
Fig. 3 opens the top view after ram preventer side door.
1-universal wheel 2-base 3 in figure, 18-lock-screw 4-lower connecting plate 5, 34-locking nut 6, hand 7 is clamped under 33-, 35-clamps pull bar 8, 31-upper clamping hand 9, 30-cross contiguous block 10, 28-large liquid cylinder piston bar 11-lower plate 12, 16-large fluid cylinder 13-upper plate 14, the hinged hydraulic fitting 17 of 24-guide runner 15-, 23-steel wire rope 19-pulley 20-rolling stand 21-cylinder 22-motor 25-upper junction plate 26-connecting rod 27-nut 29-clamps hand bearing pin 32-small clevis pin with head 36, 39-holds out against axle sleeve 37, 40-small liquid jar piston rod 38, 41-small liquid jar 42-support bar 43-leads directly to hydraulic fitting 44-small footprint 45-little universal wheel 46-liquid level liquid thermometer 46-fuel tank 48-oil filter 49-pipeline 50-Pressure gauge 51-1# reversal valve 52-2# reversal valve 53-3# reversal valve 54-4# reversal valve 55-5# reversal valve 56-air filter 57-motor 58, 61-side door 59-alignment pin 60-ram blowout preventer body 62-connecting bolt.
Detailed description of the invention
For disclosing technical scheme of the present invention further, elaborated by example below in conjunction with Figure of description.
Before operation, this device is needed to be pushed into required operating position, unclamp lock-screw 3 and 18, regulate the height of upper junction plate 25 and lower connecting plate 4, by alignment pin 59 by relative fixing with the upper and lower flange of ram preventer to upper junction plate 25, lower connecting plate 4, with lock-screw 3,18, upper junction plate 25, lower connecting plate 4 are pinned; Starter motor 57, makes power unit start working; The ram preventer side door height opened as required, the handle of driven forward 3# reversal valve 53, makes motor 22 head roll 21 rotate forward, and to be opened on unit by side door carry to proper height by steel wire rope 17 and 23.
The handle of driven forward 2# reversal valve 52, makes the piston rod 40 of right side small liquid jar 41 stretch out, and presses close to axle bed on the right side of ram blowout preventer body 60 by holding out against axle sleeve 39; The handle of driven forward 4# reversal valve 54, makes the piston rod 37 of left side small liquid jar 38 stretch out, and presses close to axle bed on the left of ram blowout preventer body 60 by holding out against axle sleeve 36; The handle of driven forward 2# reversal valve 52 and the handle of 4# reversal valve 54, make to hold out against the axle bed that axle sleeve 39 and 36 holds out against ram blowout preventer body 60 both sides simultaneously simultaneously.The handle of driven forward 1# reversal valve 51, the piston rod 10 of the large fluid cylinder 12 in right side is made to extend out to correct position, unclamp locking nut 5, make clamping hand 8 and lower clamping hand 6 open and be enclosed within the outer end sleeve of side door 61, then rotational lock nut 5 makes clamping hand 8 and lower clamping hand 6 clamp the outer end sleeve of side door 61; The handle of driven forward 5# reversal valve 55, the piston rod 28 of the large fluid cylinder 16 in left side is made to extend out to correct position, unclamp locking nut 34, make clamping hand 31 and lower clamping hand 33 open and be enclosed within the outer end sleeve of side door 58, then rotational lock nut 34 makes clamping hand 31 and lower clamping hand 33 clamp the outer end sleeve of side door 58; Connecting bolt 62 on rotary unloading underside gate 61 and side door 58, pulls back the handle of 1# reversal valve 51 and the handle of 5# reversal valve 55 simultaneously, the piston rod 28 of the large fluid cylinder 16 of piston rod 10 and left side of the large fluid cylinder 12 in right side is retracted simultaneously, is pulled open by side door 61 and 58.Unclamp locking nut 5, make clamping hand 8 and lower clamping hand 6 open and take off from the outer end sleeve of side door 61, pull back the handle of 1# reversal valve 51, the piston rod 10 of the large fluid cylinder 12 in right side is retracted completely; Unclamp locking nut 34, make clamping hand 31 and lower clamping hand 33 open and take off from the outer end sleeve of side door 58, pull back the handle of 5# reversal valve 55, the piston rod 28 of the large fluid cylinder 16 in left side is retracted completely; Pull back the handle of 2# reversal valve 52 and the handle of 4# reversal valve 54 simultaneously, the right side piston rod 40 of small liquid jar 41 and the piston rod 37 of left side small liquid jar 38 are retracted completely, completes the unlatching work of a pair side door.
Driven forward or pull back the handle of 3# reversal valve 53, makes motor 22 head roll 21 forward or reverse, to be opened by side door and unit carries or transfers to proper height, aim at the lower a pair ram preventer side door needing to open by steel wire rope 17 and 23.Repeat the unlatching work that above process completes down a pair ram preventer side door.
After whole side doors of this ram preventer are all opened, upper junction plate 25, lower connecting plate 4 are taken off with the alignment pin 59 of the upper and lower Flange joint of ram preventer; Pull back the handle of 3# reversal valve 53, motor 22 head roll 21 is reversed, by steel wire rope 17 and 23, side door is opened unit and transfer to bottom, support bar 42 is contacted with base 2; Cut off the power supply of motor 57, power unit is quit work, finally this device is pushed into subsequent work position or Accreditation Waiting Area.
Claims (5)
1. a ram preventer opening device for side door, comprise removable guiding trestle, height adjusting unit, side door unlatching unit and power unit, it is characterized in that removable guiding trestle is provided with universal wheel, convenient mobile, adjustment operating position, and interfixed by upper and lower connecting plate and ram preventer; Height adjusting unit is positioned at the top of removable guiding trestle, regulates side door to open the height of unit by motor head roll and steel wire rope; Side door is opened unit and can be moved up and down along the lead of removable guiding trestle, the side door of ram preventer can be opened by the expanding-contracting action of large and small fluid cylinder; Power unit provides power to large and small fluid cylinder, motor; The side door of various ram preventer can be opened safely and smoothly by this device.
2. the ram preventer opening device for side door according to claims 1, is characterized in that removable guiding trestle is made up of universal wheel, base, lead, upper junction plate, lower connecting plate, guide runner and lock-screw; Upper and lower connecting plate is connected by alignment pin with the upper and lower adpting flange of ram preventer respectively, for the relative position of fixing movable supporting frame and ram preventer; Guide runner can reduce the frictional force of upper and lower connecting plate and lead, the convenient height regulating upper and lower connecting plate; Lock-screw is for locking the height of upper and lower connecting plate.
3. the ram preventer opening device for side door according to claims 1, is characterized in that height adjusting unit is made up of motor, cylinder, rolling stand, pulley and steel wire rope; Motor can head roll forward or reverse; Cylinder is divided into two grooves, and the steel wire rope of the left and right sides winding direction on cylinder is contrary, and the steel wire rope that can ensure both sides during drum rotating is simultaneously rolled-up or put down; The upper plate that unit is opened with side door in steel wire rope lower end is connected.
4. the ram preventer opening device for side door according to claims 1, is characterized in that side door opens unit by upper plate, lower plate, connecting rod, support bar, large fluid cylinder, small liquid jar, guide runner, clamping hand assembly with hold out against axle sleeve and form; Upper plate is connected together by connecting rod and nut with lower plate; Large fluid cylinder and small liquid jar all adopt gudgeon type of attachment, by upper plate and lower plate location; Guide runner can reduce the frictional force that side door opens unit and lead, conveniently regulates height; Clamping hand assembly is connected with large liquid cylinder piston bar, for clamping ram preventer side door outer end sleeve; Hold out against axle sleeve to be connected with small liquid jar piston rod, for holding out against ram preventer rear portion axle bed.
5. the ram preventer opening device for side door according to claims 1, is characterized in that power unit is made up of little universal wheel, small footprint, fuel tank, motor, hydraulic pump, valve group, oil filter, Pressure gauge, liquid level liquid thermometer, air filter and pipeline; Power unit is equipped with universal wheel, is movable to required operating position; Valve group adopts hand-operated direction valve, controls motor, small liquid jar and large fluid cylinder action respectively, flexible to operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048714.XA CN104827274A (en) | 2014-02-12 | 2014-02-12 | Side door opening apparatus of ram blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048714.XA CN104827274A (en) | 2014-02-12 | 2014-02-12 | Side door opening apparatus of ram blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104827274A true CN104827274A (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410048714.XA Pending CN104827274A (en) | 2014-02-12 | 2014-02-12 | Side door opening apparatus of ram blowout preventer |
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| CN (1) | CN104827274A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278092A (en) * | 2018-03-01 | 2018-07-13 | 中国矿业大学(北京) | Well mouth rotary commutation disengaging drill-in fluid and blowout prevention integral type oil drilling system |
| CN114599854A (en) * | 2019-08-27 | 2022-06-07 | 贝克休斯油田运营有限责任公司 | Blowout preventer systems and methods |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4825948A (en) * | 1987-03-16 | 1989-05-02 | Carnahan David A | Remotely variable multiple bore ram system and method |
| CN1385694A (en) * | 2001-05-14 | 2002-12-18 | 中国石油化工股份有限公司 | Scanning movement device for towre fault detection |
| CN201250639Y (en) * | 2008-07-31 | 2009-06-03 | 河北华北石油荣盛机械制造有限公司 | Flashboard rapid-changing type blowout preventer |
| CN201486507U (en) * | 2009-07-21 | 2010-05-26 | 河北华北石油荣盛机械制造有限公司 | Hydraulic side-door opening blowout preventer |
| CN102381495A (en) * | 2011-10-21 | 2012-03-21 | 浙江金洲管道科技股份有限公司 | Automatic blanking device for steel pipe |
| CN202318156U (en) * | 2011-11-15 | 2012-07-11 | 中国石油集团西部钻探工程有限公司 | Special hydraulic wrench for blowout preventer |
| CN202804586U (en) * | 2012-09-09 | 2013-03-20 | 中国石油化工股份有限公司 | Comprehensive inspection device for blowout preventer |
-
2014
- 2014-02-12 CN CN201410048714.XA patent/CN104827274A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4825948A (en) * | 1987-03-16 | 1989-05-02 | Carnahan David A | Remotely variable multiple bore ram system and method |
| CN1385694A (en) * | 2001-05-14 | 2002-12-18 | 中国石油化工股份有限公司 | Scanning movement device for towre fault detection |
| CN201250639Y (en) * | 2008-07-31 | 2009-06-03 | 河北华北石油荣盛机械制造有限公司 | Flashboard rapid-changing type blowout preventer |
| CN201486507U (en) * | 2009-07-21 | 2010-05-26 | 河北华北石油荣盛机械制造有限公司 | Hydraulic side-door opening blowout preventer |
| CN102381495A (en) * | 2011-10-21 | 2012-03-21 | 浙江金洲管道科技股份有限公司 | Automatic blanking device for steel pipe |
| CN202318156U (en) * | 2011-11-15 | 2012-07-11 | 中国石油集团西部钻探工程有限公司 | Special hydraulic wrench for blowout preventer |
| CN202804586U (en) * | 2012-09-09 | 2013-03-20 | 中国石油化工股份有限公司 | Comprehensive inspection device for blowout preventer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278092A (en) * | 2018-03-01 | 2018-07-13 | 中国矿业大学(北京) | Well mouth rotary commutation disengaging drill-in fluid and blowout prevention integral type oil drilling system |
| CN108278092B (en) * | 2018-03-01 | 2020-05-08 | 中国矿业大学(北京) | Well head rotary reversing drilling liquid inlet and outlet and blowout prevention integrated petroleum drilling system |
| CN114599854A (en) * | 2019-08-27 | 2022-06-07 | 贝克休斯油田运营有限责任公司 | Blowout preventer systems and methods |
| CN114599854B (en) * | 2019-08-27 | 2024-03-26 | 贝克休斯油田运营有限责任公司 | Blowout preventer system and method |
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| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160217 Address after: 266580 Qingdao Changjiang Road, Huangdao District, Shandong, No. 66 Applicant after: China Petroleum University (East China) Address before: 266580 Electromechanical General Factory, No. 66 West Changjiang Road, Qingdao economic and Technological Development Zone, Shandong Applicant before: Liu Zhendong |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150812 |
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| WD01 | Invention patent application deemed withdrawn after publication |