CN111042758A - Switch lever connecting device and blowout preventer - Google Patents
Switch lever connecting device and blowout preventer Download PDFInfo
- Publication number
- CN111042758A CN111042758A CN201910996098.3A CN201910996098A CN111042758A CN 111042758 A CN111042758 A CN 111042758A CN 201910996098 A CN201910996098 A CN 201910996098A CN 111042758 A CN111042758 A CN 111042758A
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- China
- Prior art keywords
- locking
- switch lever
- blowout preventer
- switch
- unlocking
- 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.)
- Pending
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- 230000009471 action Effects 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 239000012071 phase Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention is suitable for the related technical field of blowout preventers, and provides a switch rod connecting device and a blowout preventer, and the switch rod connecting device is characterized by comprising: the locking device is matched with the locking position on the switch rod and used for locking the switch rod; and the driving device is used for driving the locking device to move so as to realize locking or unlocking of the switch rod. Through drive arrangement drive locking device and the locking position cooperation realization switch lever of setting on the switch lever fixed, at the dismantlement in-process, direct drive locking device remove can, the adhesion condition can not appear, consequently can not cause the damage to the switch lever.
Description
Technical Field
The invention belongs to the related technical field of blowout preventers, and particularly relates to a switch rod connecting device and a blowout preventer.
Background
The blowout preventer is important equipment for preventing blowout in the oil field exploration process, plays an important role in ensuring the production safety of the oil field and environmental pollution, and the operation of the ram blowout preventer is important in the drilling process.
The ram blowout preventer comprises a blowout preventer shell, a side door assembly and the like, the switch rod connecting device plays a role in connecting the blowout preventer shell and the side door assembly, and the ram blowout preventer is frequently required to be completely disassembled for periodic maintenance in use of the blowout preventer.
The existing switch rod connecting device is in a threaded connection type, and due to the limitation of field conditions, the threaded connection mode of the structure is easy to thread and glue when being detached, so that the switch rod is damaged, and the whole blowout preventer cannot be used.
Disclosure of Invention
The embodiment of the invention aims to provide a switch rod connecting device, and aims to solve the problem that due to the limitation of field conditions, a thread connecting mode of the structure is easy to thread and buckle when being disassembled, so that a switch rod is damaged, and the whole blowout preventer cannot be used.
The embodiment of the present invention is achieved as a switch lever connection device, including:
the locking device is matched with the locking position on the switch rod and used for locking the switch rod;
and the driving device is used for driving the locking device to move so as to realize locking or unlocking of the switch rod.
It is another object of an embodiment of the present invention to provide a blowout preventer, comprising:
a switch lever connection device;
a blowout preventer body, the switch lever connection device being mounted on a blowout preventer housing of the blowout preventer body.
According to the switch rod connecting device provided by the embodiment of the invention, the locking device is driven by the driving device to be matched with the locking position arranged on the switch rod so as to fix the switch rod, and the locking device is directly driven to move in the dismounting process, so that the adhesion condition is avoided, and the switch rod is not damaged.
Drawings
Fig. 1 is a sectional view showing a state in which a switch lever connecting device according to an embodiment of the present invention is connected to a switch lever;
fig. 2 is a front view of a fixing member in a switch lever connecting device according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a switch lever provided in accordance with an embodiment of the present invention;
in the drawings: 1. a fixing member; 2. an elastic member; 3. a plug; 4. an observation hole; 5. a limiting member; 6. a movable member; 7. a fixing member; 8. a blowout preventer housing; 9. a fastener; 10. a dust-proof member; 11. a switch lever.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 and 3, a switch lever connection device according to an embodiment of the present invention is characterized by comprising:
the locking device is matched with the locking position on the switch rod and used for locking the switch rod 11;
and the driving device is used for driving the locking device to move so as to realize locking or unlocking of the switch rod 11.
In this embodiment, the specific structure of the driving device is not specifically limited, but it is understood that the driving device mainly drives the locking device to move, so as to implement the control of locking and unlocking, and further, it is known that the driving device belongs to a linear motion driving device, and an electric telescopic rod, a hydraulic telescopic rod, and the like can be adopted.
In this embodiment, realize the fixed of switch lever through drive arrangement drive locking device and the cooperation of the locking position of setting on the switch lever, at the dismantlement in-process, direct drive locking device remove can, the adhesion condition can not appear, consequently can not cause the damage to the switch lever.
Referring to fig. 1, the locking device includes a locking member 5 and a movable member 6, an unlocking position is provided on the movable member 6, and the movable member 6 is driven by a driving device to move so that the unlocking position is opposite to or staggered from the locking member 5, thereby implementing locking or unlocking.
In this embodiment, can understand, retaining member 5 runs through the setting of moving part 6 and can follow moving part 6 and slide each other, moving part 6 is provided with the unblock position towards one side of switch lever 11, the embedding of unblock position is on moving part 6, when the unblock position on moving part 6 is in with the lock position on the switch lever 11 on the one side, for retaining member 5 provides the activity space, switch lever 11 reaches the unblock state, switch lever 11 conveniently pulls out under the effect of power, when unblock position staggers with the lock position, retaining member 5 card is gone into in the lock position, realize the fixed of switch lever 11, it is fixed firm.
In this embodiment, in order to realize the position of retaining member 5 and prescribe a limit to, retaining member 5 is the bar column structure, and its one end movable mounting who keeps away from switch lever 11 is in the hole of preventer shell 8, and the lower extreme of retaining member 5 is hemispherical structure to ensure at switch lever 11 pulling in-process, retaining member 5 can break away from the locking position under the effect of force, simple structure.
As another preferred embodiment of the present invention, referring to fig. 1 and 2, the locking device includes a locking member 5, a movable member 6 and a fixed member 7, the fixed member 7 is provided with a limiting hole for the locking member 5 to pass through, the movable member 6 is sleeved on the fixed member 7 and can slide along the fixed member 7, the movable member 6 is provided with an unlocking position, and the movable member 6 is driven by a driving device to move so that the unlocking position is opposite to or staggered from the locking member 5, thereby implementing locking or unlocking.
In this embodiment, retaining member 5 is accepted through the mounting 7 that sets up, reducible retaining member 5's occupation space, and need not to carry out the hole commentaries on classics of hole to the preventer shell in the course of working, convenient processing, the mounting 7 of setting plays the guide effect to moving part 6 for moving part 6 is 7 to the mounting to remove, and in specific operation process, moving part 6 takes place to remove under drive arrangement's effect, when the position of separating on moving part 6 with when the locking position is in the same face, retaining member 5 loses the extrusion force, exerts external force to switch lever 11 after, extrudes retaining member 5 and locks the position, thereby realizes switch lever 11's dismantlement.
In this embodiment, it should be noted that the locking member 5 is a spherical structure, the hole for placing the locking member 5 on the fixing member 7 has an opening diameter smaller than the inside diameter of the hole, and the opening diameter is smaller than the diameter of the locking member 5, so that the locking member 5 does not separate from the fixing member 7 after the switch lever 11 is pulled out; of course, in order to facilitate installation, in this embodiment, the opening of the fixing member 7 on the side facing the movable member for placing the locking member 5 may have the same diameter as that of the locking member 5, so as to facilitate the insertion of the locking member 5.
As an embodiment of the present invention, a pressure chamber is formed between an end surface of the extending portion of the fixed member 7 and an end surface of the movable member 6 facing the extending portion, and the pressure chamber is used for storing a liquid phase or a gas phase which generates pressure on the movable member 6 to move the movable member.
In this embodiment, be provided with the intercommunicating pore on the above-mentioned pressure chamber, the intercommunicating pore passes through pipe and fuel feeding equipment or supercharging equipment intercommunication, supplies oil or pressure boost to the pressure chamber in through fuel feeding equipment or supercharging equipment to produce the thrust to moving part 6, and then realize moving part 6's drive activity, realize moving part 6 and go up the unblock position and remove retaining member 5's position department, thereby realize the unblock, when needs locking, can make the inboard negative pressure that forms of pressure chamber, thereby realize locking, nevertheless because the problem of leakproofness, this application has still provided another kind of embodiment and has perfected this application.
As an embodiment of the invention, in order to facilitate the detachment of the fixing member 7, the fixing member 7 is caught on the blowout preventer housing 8 by a catch 9.
In this embodiment, the main clamping mode of the clamping member 9 corresponds to the clamping groove formed in the blowout preventer housing 8, and the clamping members 9 are provided in a plurality and abut against the fixing member 7 to realize fixing.
As another embodiment of the present invention, the locking device further includes an elastic component, and two ends of the elastic component are respectively connected to the inner wall of the embedded groove and the movable member 6, and are used for driving the movable member 6 to reset.
In this embodiment, elastic component connects moving part 6 and preventer shell 8, realizes the restoration of moving part 6, and in specific working process, moving part 6 receives the pressure boost influence that the pressure chamber gave for moving part 6 removes, extrudees elastic component simultaneously, makes the position of unblock and locking position coplanar, realizes the unblock, and when the pressure that the pressure chamber gave reduced, elastic component resets, thereby promotes moving part 6 and removes, realizes locking, and this state is lower to the leakproofness requirement of pressure chamber department, easily production.
In this embodiment, the elastic component includes elastic component 2, and elastic component 2 is preferred opposite vertex wave spring, and the one end of spring 2 passes through mounting 1 and is fixed with preventer shell 8, and the old fixed height of installation, in the specific implementation process, elastic component 2 cover is located the outside end of mounting 7.
As an embodiment of the present invention, the locking device is specifically a piston rod installed on the blowout preventer housing 8, the piston rod is movably installed in an installation hole provided on the blowout preventer housing 8, and the piston rod moves along the radial direction of the switch lever 11 under the action of the driving device to lock or unlock the switch lever 11.
In this embodiment, the piston rod penetrates through the side wall of the inner caulking groove in the blowout preventer housing 8 and is connected with the driving device, the driving device can adopt an electric telescopic rod, a cylinder, a hydraulic push rod and the like, the driving device is mainly used for driving the piston rod to move, and one end of the piston rod, which is far away from the driving device, is clamped with the locking position in a locking state, so that the switch rod 11 is fixed.
In the present embodiment, in order to ensure the firmness of the fixation of the switch lever 11, the piston rod is provided with a plurality of piston rods, thereby realizing the multi-directional fixation of the switch lever 11.
As an embodiment of the invention, the blowout preventer shell 8 is provided with an observation hole 4, the observation hole 4 is communicated with the inner side of the blowout preventer shell 8, and a plug is detachably arranged in the observation hole.
In this embodiment, observation hole 4 can adopt circular or square structure, and its inboard end cap 3 can adopt the rubber material to make, mainly plays the effect of shutoff, and the observation hole 4 that sets up can be used to observe 6 terminal and the 4 central parallel and levels in observation hole of moving part, no longer removes, and the moving part is in complete locking state.
As an embodiment of the present invention, a dust-proof member 10 for preventing dust from entering is installed at an opening of the blowout preventer housing 8, into which the switching lever 11 is inserted.
In this embodiment, the dust-proof member 10 is arranged in an annular structure, and the diameter of the inner ring of the dust-proof member is the same as the outer diameter of the switch rod 11 contacting with the dust-proof member, and certainly, in the actual operation process, for better improvement of dust prevention, a rubber sleeve can be installed at the inner ring of the dust-proof member 10, and the rubber sleeve can be arranged to be closely contacted with the switch rod 11.
An embodiment of the present invention provides a blowout preventer, including:
a switch lever connection device;
a blowout preventer body, the switch lever connection device being mounted on a blowout preventer housing 8 of the blowout preventer body.
In this embodiment, preventer in specific use, through drive arrangement drive locking device and the locking position cooperation realization switch lever of setting on the switch lever fixed, at the dismantlement in-process, direct drive locking device remove can, the adhesion condition can not appear, consequently can not cause the damage to the switch lever.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A switch lever connection device, characterized by comprising:
the locking device is matched with the locking position on the switch rod and used for locking the switch rod;
and the driving device is used for driving the locking device to move so as to realize locking or unlocking of the switch rod.
2. The switch lever connecting device according to claim 1, wherein the locking device includes a locking member and a moving member, the moving member is provided with an unlocking position, and the moving member is moved by the driving device so that the unlocking position is opposed to or staggered from the locking member, thereby performing locking or unlocking.
3. The switch lever connecting device according to claim 1, wherein the locking device comprises a locking member, a moving member and a fixing member, the fixing member is provided with a limiting hole for the penetration of the locking member, the moving member is sleeved on the fixing member and can slide along the fixing member, the moving member is provided with an unlocking position, and the moving member is driven by the driving device to move so that the unlocking position is opposite to or staggered with the locking member, thereby implementing locking or unlocking.
4. The switch lever connection device according to claim 3, wherein a pressure chamber for storing a liquid phase or a gas phase which presses the movable member to move is formed between an end surface of the extended portion of the fixed member and an end surface of the movable member facing the extended portion.
5. The switch lever connection device according to any one of claims 2 to 4, wherein the locking device further comprises an elastic member, and both ends of the elastic member are respectively connected with the inner wall of the embedded groove and the movable member for driving the movable member to return.
6. The switch lever connection device according to claim 1, wherein the locking device is a piston rod mounted on a housing of the blowout preventer, the piston rod is movably mounted in a mounting hole provided on the housing of the blowout preventer, and the piston rod moves in a radial direction of the switch lever under the action of the driving device to lock or unlock the switch lever.
7. A blowout preventer, characterized in that the blowout preventer comprises:
the switch lever connection device according to any one of claims 1 to 6;
a blowout preventer body, the switch lever connection device being mounted on a blowout preventer housing of the blowout preventer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996098.3A CN111042758A (en) | 2019-10-18 | 2019-10-18 | Switch lever connecting device and blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996098.3A CN111042758A (en) | 2019-10-18 | 2019-10-18 | Switch lever connecting device and blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111042758A true CN111042758A (en) | 2020-04-21 |
Family
ID=70232314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910996098.3A Pending CN111042758A (en) | 2019-10-18 | 2019-10-18 | Switch lever connecting device and blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111042758A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2611238A1 (en) * | 2005-06-06 | 2006-12-14 | Hydril Llc | Rod lock for ram blowout preventers |
| CN103253384A (en) * | 2013-04-17 | 2013-08-21 | 上海卫星工程研究所 | Low impact unlocking device based on shape memory alloy spring, and application method thereof |
| CN104879084A (en) * | 2015-04-30 | 2015-09-02 | 顾军锋 | Gate segment locking device of blowout preventer |
| CN204984335U (en) * | 2015-09-07 | 2016-01-20 | 宝鸡石油机械有限责任公司 | Roller type side door mechanism for ram -type preventer |
| CN105715781A (en) * | 2014-12-17 | 2016-06-29 | 腓特烈斯港齿轮工厂股份公司 | Hydraulic System For An Automatic Transmission |
| CN206987769U (en) * | 2017-05-27 | 2018-02-09 | 建湖厚锐压力控制设备有限公司 | A kind of flashboard locking device for preventer |
| US20190153802A1 (en) * | 2014-10-20 | 2019-05-23 | Worldwide Oilfield Machine, Inc. | Locking mechanism for subsea compact cutting device (ccd) |
-
2019
- 2019-10-18 CN CN201910996098.3A patent/CN111042758A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2611238A1 (en) * | 2005-06-06 | 2006-12-14 | Hydril Llc | Rod lock for ram blowout preventers |
| CN103253384A (en) * | 2013-04-17 | 2013-08-21 | 上海卫星工程研究所 | Low impact unlocking device based on shape memory alloy spring, and application method thereof |
| US20190153802A1 (en) * | 2014-10-20 | 2019-05-23 | Worldwide Oilfield Machine, Inc. | Locking mechanism for subsea compact cutting device (ccd) |
| CN105715781A (en) * | 2014-12-17 | 2016-06-29 | 腓特烈斯港齿轮工厂股份公司 | Hydraulic System For An Automatic Transmission |
| CN104879084A (en) * | 2015-04-30 | 2015-09-02 | 顾军锋 | Gate segment locking device of blowout preventer |
| CN204984335U (en) * | 2015-09-07 | 2016-01-20 | 宝鸡石油机械有限责任公司 | Roller type side door mechanism for ram -type preventer |
| CN206987769U (en) * | 2017-05-27 | 2018-02-09 | 建湖厚锐压力控制设备有限公司 | A kind of flashboard locking device for preventer |
Non-Patent Citations (1)
| Title |
|---|
| 刘清友: "闸板防喷器液压锁紧装置研究现状", 《石油矿场机械》 * |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |
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| RJ01 | Rejection of invention patent application after publication |