CN112112597B - Flashboard state display device of hydraulic locking mechanism of flashboard blowout preventer - Google Patents
Flashboard state display device of hydraulic locking mechanism of flashboard blowout preventer Download PDFInfo
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- CN112112597B CN112112597B CN202010929007.7A CN202010929007A CN112112597B CN 112112597 B CN112112597 B CN 112112597B CN 202010929007 A CN202010929007 A CN 202010929007A CN 112112597 B CN112112597 B CN 112112597B
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- baffle
- connecting rod
- cylinder cover
- flashboard
- locking mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 230000001174 ascending effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000008569 process Effects 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
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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)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Abstract
The invention relates to the technical field of oilfield development, in particular to a flashboard state display device of a hydraulic locking mechanism of a flashboard blowout preventer, which comprises a cylinder cover, a baffle, a piston plate, a push rod, a fixing plate, a display tube, a push spring, a display ball and a connecting device, wherein the left end of the cylinder cover is provided with the baffle, the cylinder cover and the baffle are detachably installed together through the connecting device, the middle part of the baffle is provided with a left-right through installation hole, the left side of the baffle corresponding to the outer side of the installation hole is fixedly provided with the display tube, the right end of the installation hole is provided with the push rod positioned in the cylinder cover, and the right end of the push rod is fixedly provided with the piston plate positioned on the inner side of the cylinder cover. The invention has reasonable and compact structure and convenient use, can realize the quick assembly and disassembly of the cylinder cover and the baffle plate by arranging the connecting device, is convenient to replace the sealing ring on the piston plate, can conveniently observe the closed or open state of the flashboard by arranging the display ball, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Description
Technical Field
The invention relates to the technical field of oilfield development, in particular to a flashboard state display device of a hydraulic locking mechanism of a flashboard blowout preventer.
Background
In the process of drilling or repairing petroleum and natural gas, in order to prevent blowout accidents, blowout preventers of well control devices need to be installed, and important components of the well control devices are the blowout preventers of the flashboard blowout preventers, wherein the flashboard blowout preventers are provided with flashboard locking devices, so that hydraulic pressure is prevented from being discharged after the flashboards are closed, and the flashboards are automatically opened when well pressure is sealed. Patent CN200520000277.0 ram preventer automatic locking device, there is the oil pressure disappearance and shows that the pole can't be retrieved fast and stably, easily causes the operation personnel to judge the mistake and cause serious consequence to there is the inconvenient problem of replacing of sealing washer that prevents the oil leak.
Disclosure of Invention
The invention provides a flashboard state display device of a hydraulic locking mechanism of a flashboard blowout preventer, overcomes the defects of the prior art, and can effectively solve the problems that a display rod cannot be quickly and stably retracted and a sealing ring cannot be conveniently replaced in the conventional automatic locking device of the flashboard blowout preventer.
The technical scheme of the invention is realized by the following measures: the utility model provides a ram preventer hydraulic locking mechanism flashboard state display device, which comprises a cylinder cover, the baffle, the piston plate, the catch bar, the fixed plate, the display tube, promote the spring, display ball and connecting device, the cylinder cover left end is equipped with the baffle, cylinder cover and baffle pass through connecting device detachable and install together, the baffle middle part is equipped with controls the mounting hole that link up, the baffle left side fixed mounting that corresponds the mounting hole outside position has the display tube, be equipped with the catch bar that the right-hand member is located the cylinder cover in the mounting hole, catch bar right-hand member fixed mounting has the piston plate that is located the cylinder cover inboard, the interval is equipped with at least one mounting ring groove about the piston plate outside, the mounting ring inslot all is equipped with the sealing washer, the catch bar left end is located the display tube, catch bar left end fixed mounting has the fixed plate, the catch bar outside cover that corresponds the position between fixed plate right side and the baffle left side is equipped with the promotion spring, promote spring left end and fixed mounting together on fixed plate right side, promote spring right side together, promote spring right-hand member and baffle left side fixed mounting together, fixed mounting has the display ball on fixed mounting on fixed plate left side, display ball left end and display tube left end are even.
The following are further optimization or/and improvement on the technical scheme of the invention:
the connecting device can comprise an upper L-shaped connecting rod, a lower L-shaped connecting rod, an upper clamping block, a lower clamping block, an upper connecting spring and a lower connecting spring, wherein a lower connecting hole with a downward opening is formed in the middle of the lower side of the baffle plate; baffle upside middle part is equipped with the ascending connecting hole of opening, goes up L type connecting rod left part lower extreme and is located the connecting hole, goes up between connecting hole downside and the last L type connecting rod lower extreme fixed mounting have a connecting spring, corresponds the cylinder cap upside that goes up L type connecting rod right-hand member position and is equipped with the ascending fixed slot of opening, is equipped with upper end and last L type connecting rod right-hand member downside fixed mounting in the fixed slot and goes up the fixture block together.
The connecting device further comprises an upper pull ring and a lower pull ring, the upper side of the upper L-shaped connecting rod is fixedly provided with the upper pull ring, and the lower side of the lower L-shaped connecting rod is fixedly provided with the lower pull ring.
The cylinder cover can further comprise limiting blocks, two limiting blocks are fixedly mounted on the right side of the baffle at intervals, and the outer sides of the limiting blocks are respectively contacted with corresponding positions on the inner side of the cylinder cover.
Two mounting ring grooves are arranged on the outer side of the piston plate at left and right intervals.
The invention has reasonable and compact structure and convenient use, can realize the quick assembly and disassembly of the cylinder cover and the baffle plate by arranging the connecting device, is convenient to replace the sealing ring on the piston plate, can be convenient to observe the closed or opened state of the flashboard by arranging the display ball, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Drawings
FIG. 1 is a schematic sectional view of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is the cylinder cap, 2 is the baffle, 3 is the piston board, 4 is the catch bar, 5 is the fixed plate, 6 is the display tube, 7 is the push spring, 8 is the display ball, 9 is last L type connecting rod, 10 is lower L type connecting rod, 11 is last fixture block, 12 is lower fixture block, 13 is last coupling spring, 14 is lower coupling spring, 15 is last pull ring, 16 is down pull ring, 17 is the stopper, 18 is the sealing washer.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
as shown in fig. 1, the flashboard state display device of the hydraulic locking mechanism of the flashboard blowout preventer comprises a cylinder cover 1, a baffle 2, a piston plate 3, a sealing ring 18, a push rod 4, a fixing plate 5, a display tube 6, a push spring 7, a display ball 8 and a connecting device, wherein the left end of the cylinder cover 1 is provided with the baffle 2, the cylinder cover 1 and the baffle 2 are detachably mounted together through the connecting device, a mounting hole penetrating from left to right is formed in the middle of the baffle 2, the display tube 6 is fixedly mounted on the left side of the baffle 2 corresponding to the outer side of the mounting hole, the right end of the push rod 4 is located in the cylinder cover 1, the push rod 4 is fixedly mounted with the piston plate 3 located on the inner side of the cylinder cover 1 at the right end of the push rod 4, at least one mounting ring groove is formed in the left side of the piston plate 3 at intervals, the sealing ring 18 is arranged in the mounting ring groove, the left end of the push rod 4 is located in the display tube 6, the left end of the push rod 4 is fixedly mounted with the fixing plate 5, the outer side of the push rod 4 is mounted with the fixing plate 5, the display ball 8 is mounted with the display ball at the left side of the display tube 6, the left side of the push spring 7, the left end of the push spring 7 and the display spring 5. The outer side of the display ball 8 may be coated with a material that is easy to observe, as desired. The cylinder cover 1 described in the invention is a cylinder cover in an automatic locking device of a ram blowout preventer of patent CN 200520000277.0. When the hydraulic locking device is used, the hydraulic locking mechanism is used for locking oil supply and filling the interior of the cylinder cover 1, the piston plate 3 is pushed to move leftwards, the sealing ring 18 blocks hydraulic oil to avoid leakage of the hydraulic oil, the piston plate 3 drives the pushing rod 4, the fixing plate 5 and the display ball 8 to move leftwards, meanwhile, the pushing spring 7 is stretched, and the display ball 8 is pushed out of the display tube 6, so that the flashboard is in a closed state; when the oil pressure disappears during unlocking, under the action of the restoring force of the pushing spring 7, the pushing spring 7 pulls the fixing plate 5, the display ball 8, the pushing rod 4 and the piston plate 3 to move rightwards, the display ball 8 moves rightwards to the inside of the display tube 6, and then the flashboard can be judged to be in an open state. The invention has reasonable and compact structure and convenient use, can realize the quick assembly and disassembly of the cylinder cover 1 and the baffle 2 by arranging the connecting device, is convenient to replace the sealing ring 18 on the piston plate 3, can conveniently observe the closed or open state of the flashboard by arranging the display ball 8, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
According to actual needs, the device for displaying the state of the ram of the hydraulic locking mechanism of the ram blowout preventer can be further optimized or/and improved:
as shown in fig. 1, the connecting device includes an upper L-shaped connecting rod 9, a lower L-shaped connecting rod 10, an upper fixture block 11, a lower fixture block 12, an upper connecting spring 13 and a lower connecting spring 14, a lower connecting hole with a downward opening is formed in the middle of the lower side of the baffle 2, the upper end of the left portion of the lower L-shaped connecting rod 10 is located in the lower connecting hole, the lower connecting spring 14 is fixedly installed between the upper side of the lower connecting hole and the upper end of the lower L-shaped connecting rod 10, a lower fixing groove with a downward opening is formed in the lower side of the cylinder cover 1 corresponding to the position of the right end of the lower L-shaped connecting rod 10, and the lower fixture block 12 with the lower end fixedly installed with the upper side of the right end of the lower L-shaped connecting rod 10 is arranged in the lower fixing groove; the middle part of the upper side of the baffle 2 is provided with an upward opening upper connecting hole, the lower end of the left part of the upper L-shaped connecting rod 9 is positioned in the upper connecting hole, an upper connecting spring 13 is fixedly arranged between the lower side of the upper connecting hole and the lower end of the upper L-shaped connecting rod 9, an upper fixing groove with an upward opening is arranged on the upper side of the cylinder cover 1 corresponding to the position of the right end of the upper L-shaped connecting rod 9, and an upper fixture block 11 with the upper end fixedly arranged on the lower side of the right end of the upper L-shaped connecting rod 9 is arranged in the upper fixing groove. When the sealing ring replacing device is used, the cylinder cover 1 and the baffle plate 2 are connected together through the connecting device and cannot relatively displace, when a sealing ring 18 on the piston plate 3 needs to be replaced, the upper L-shaped connecting rod 9 and the upper clamping block 11 are lifted upwards, the upper clamping block 11 is separated from the upper fixing groove, meanwhile, the lower L-shaped connecting rod 10 and the lower clamping block 12 are pulled downwards, the lower clamping block 12 is separated from the lower fixing groove, then the upper L-shaped connecting rod 9 and the lower L-shaped connecting rod 10 are moved leftwards, the piston plate 3 is moved leftwards to be separated from the cylinder cover 1 by clamping the fixing plate 5 through the baffle plate 2, the sealing ring 18 is replaced and then is replaced, the sealing ring replacing device has the characteristic of simplicity and convenience and quickness in disassembly, and the L-shaped connecting rod and the clamping block can clamp the cylinder cover 1 and the baffle plate 2 through the arrangement of the upper connecting spring 13 and the lower connecting spring 14 by means of restoring force.
As shown in fig. 1, the connecting device further includes an upper pull ring 15 and a lower pull ring 16, the upper side of the upper L-shaped connecting rod 9 is fixedly provided with the upper pull ring 15, and the lower side of the lower L-shaped connecting rod 10 is fixedly provided with the lower pull ring 16. When the connecting device is used, the connecting device can be pulled out conveniently by arranging the upper pull ring 15 and the lower pull ring 16, and the connecting device is simpler, more convenient and more labor-saving.
As shown in the attached drawing 1, the cylinder cover further comprises a limiting block 17, two limiting blocks 17 are fixedly mounted on the right side of the baffle 2 at the upper and lower intervals, and the outer sides of the limiting blocks 17 are respectively contacted with the corresponding positions on the inner side of the cylinder cover 1. When using, through setting up stopper 17, relative position is injectd when can be to the installation of baffle 2 and cylinder cap 1 on the one hand, makes it can aim at cylinder cap 1, and on the other hand, stopper 17 can hinder piston plate 3 and remove when right with baffle 2 left side contact, and suction is great when avoiding the face-to-face contact, and is unfavorable for the stable problem of pushing back its right fast of spring.
As shown in fig. 1, two mounting ring grooves are formed on the outer side of the piston plate 3 at left and right intervals. When the sealing ring is used, two mounting ring grooves are arranged, and the sealing rings 18 are arranged in the mounting ring grooves, so that sealing can be tighter.
The technical characteristics form the best embodiment of the invention, the best embodiment has stronger adaptability and best implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (5)
1. A flashboard state display device of a hydraulic locking mechanism of a flashboard blowout preventer is characterized by comprising a cylinder cover, a baffle, a piston plate, a push rod, a fixed plate, a display tube, a push spring, a display ball and a connecting device, wherein the left end of the cylinder cover is provided with the baffle; the connecting device comprises an upper L-shaped connecting rod, a lower L-shaped connecting rod, an upper clamping block, a lower clamping block, an upper connecting spring and a lower connecting spring, a lower connecting hole with a downward opening is formed in the middle of the lower side of the baffle, the upper end of the left part of the lower L-shaped connecting rod is located in the lower connecting hole, the lower connecting spring is fixedly installed between the upper side of the lower connecting hole and the upper end of the lower L-shaped connecting rod, a lower fixing groove with a downward opening is formed in the lower side of the cylinder cover corresponding to the right end of the lower L-shaped connecting rod, and a lower clamping block with a lower end fixedly installed with the upper side of the right end of the lower L-shaped connecting rod is arranged in the lower fixing groove; baffle upside middle part is equipped with the ascending connecting hole of opening, goes up L type connecting rod left part lower extreme and is located the connecting hole, goes up between connecting hole downside and the last L type connecting rod lower extreme fixed mounting have a connecting spring, corresponds the cylinder cap upside that goes up L type connecting rod right-hand member position and is equipped with the ascending fixed slot of opening, is equipped with upper end and last L type connecting rod right-hand member downside fixed mounting in the fixed slot and goes up the fixture block together.
2. The apparatus for displaying the status of the ram of the hydraulic locking mechanism of the ram blowout preventer according to claim 1, wherein the connecting means further comprises an upper pull ring and a lower pull ring, the upper pull ring is fixedly mounted on the upper side of the upper L-shaped link, and the lower pull ring is fixedly mounted on the lower side of the lower L-shaped link.
3. The device for displaying the state of the ram of the hydraulic locking mechanism of the ram blowout preventer according to claim 1 or 2, further comprising two limiting blocks, wherein the two limiting blocks are fixedly mounted on the right side of the baffle at intervals from top to bottom, and the outer sides of the limiting blocks are respectively in contact with corresponding positions on the inner side of the cylinder cover.
4. The ram state display device of the hydraulic locking mechanism of the ram blowout preventer according to claim 1 or 2, wherein two mounting ring grooves are formed on the outer side of the piston plate at a left-right interval.
5. The device for displaying the status of the ram of the hydraulic locking mechanism of the ram blowout preventer according to claim 3, wherein two mounting ring grooves are formed on the outer side of the piston plate at left and right intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010929007.7A CN112112597B (en) | 2020-09-07 | 2020-09-07 | Flashboard state display device of hydraulic locking mechanism of flashboard blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010929007.7A CN112112597B (en) | 2020-09-07 | 2020-09-07 | Flashboard state display device of hydraulic locking mechanism of flashboard blowout preventer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112112597A CN112112597A (en) | 2020-12-22 |
| CN112112597B true CN112112597B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010929007.7A Active CN112112597B (en) | 2020-09-07 | 2020-09-07 | Flashboard state display device of hydraulic locking mechanism of flashboard blowout preventer |
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| CN (1) | CN112112597B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1323082A (en) * | 1970-06-22 | 1973-07-11 | Automotive Prod Co Ltd | Telescopic adjustable hydraulic stays |
| CN2246706Y (en) * | 1994-05-06 | 1997-02-05 | 华北石油管理局第二机械厂 | Hydraulic automatic locking device for ram of blow-out preventer |
| GB0424401D0 (en) * | 2004-11-04 | 2004-12-08 | Bamford Antony S | HM blowout preventers |
| CN2799847Y (en) * | 2005-01-10 | 2006-07-26 | 河北华北石油荣盛机械制造有限公司 | Automatic locking device for ram preventer |
| US7195224B2 (en) * | 2005-02-01 | 2007-03-27 | Varco I/P, Inc. | Blowout preventer and locking mechanism |
| CN101328788A (en) * | 2008-07-18 | 2008-12-24 | 宝鸡石油机械有限责任公司 | Remote control type ram block hydraulic locking apparatus |
| CN104420845A (en) * | 2013-08-21 | 2015-03-18 | 江苏贵鑫石油装备有限公司 | Rotary diameter-variable blowout preventer for clamping oil tube |
| CN104847297A (en) * | 2015-04-30 | 2015-08-19 | 顾军锋 | Flashboard locking state display device of blowout preventer |
| CN108612499A (en) * | 2018-05-28 | 2018-10-02 | 阜宁县石油机械有限公司 | A kind of hydraulic blowout preventer combination unit |
| CN110345123B (en) * | 2019-07-05 | 2020-10-09 | 太原理工大学 | Follow-up type miniature linear hydraulic actuator and use method thereof |
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2020
- 2020-09-07 CN CN202010929007.7A patent/CN112112597B/en active Active
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