CN103670321A - Manual operation flashboard type sucker rod blowout preventer - Google Patents
Manual operation flashboard type sucker rod blowout preventer Download PDFInfo
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- CN103670321A CN103670321A CN201310698600.5A CN201310698600A CN103670321A CN 103670321 A CN103670321 A CN 103670321A CN 201310698600 A CN201310698600 A CN 201310698600A CN 103670321 A CN103670321 A CN 103670321A
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- blowout preventer
- sucker rod
- outer end
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Abstract
The invention discloses a manual operation flashboard type sucker rod blowout preventer which comprises a sucker rod blowout preventer body with an axial through hole. Two eudipleural radial open holes are formed in the middle of the sucker rod blowout preventer body. A gate plate assembly is arranged in each radial open hole. A main cover is arranged at the outer end of each radial open hole and is provided with a radial through hole. Each radial through hole is provided with a stuffing box close to the outer end of the corresponding main cover. The outer end of each main cover is provided with a padding gland and a bearing seat. Each main cover is provided with a screw rod penetrating through the padding gland and the main cover. Each screw rod is provided with an unthreaded section penetrating through the padding box and the radial through hole and fixedly connected with the corresponding gate plate assembly, and a threaded section extending to the outer end of the corresponding bearing seat. Each bearing seat is provided with a valve rod nut connected with the corresponding screw rod through threads. Each valve rod nut is arranged on the corresponding bearing seat in a rotating mode through a bearing. The part, extending out of the outer end of the corresponding bearing seat, of each valve rod nut is fixedly connected with a hand wheel. The manual operation flashboard type sucker rod blowout preventer is compact in structure, convenient to install and maintain, small in operation torque, and better in sealing effect.
Description
Technical field
The present invention relates to a kind of preventer, especially relate to the board-like blowout preventer for sucker rod of a kind of manual brake.
Background technology
Flashboard type blowout preventer for sucker rod is the control assembly in fluid delivery system, has water conservancy diversion, regulates the functions such as sealing sucker rod size, sealing, shunting.The upper and lower two ends of flat gate valve are generally flange connection, two outlets are arranged at flashboard top, for producing mouth or having a test port.Flashboard type blowout preventer for sucker rod is used as controlling various fluids several centuries.In petroleum industry, flashboard type blowout preventer for sucker rod is used in the various positions of pipeline, and one of them special use occasion is to use at the oil pumping unit matching that bores oil-recovery operations use.
The mode that flashboard type blowout preventer for sucker rod opens and closes generally has manual drives, fluid-operated piston driving etc.Drive unit generally comprises the main cap assemblies that is connected sealing with body, the valve rod that drives ram movement and driver and forms.The board-like blowout preventer for sucker rod structure of manual brake is in the market extensive, and moment is large, after use, should not keep in repair and safeguard.Therefore, need a kind of compact conformation, moment is little, good sealing effect, the board-like blowout preventer for sucker rod of manual brake that guidance quality is good.
Summary of the invention
In order to overcome the defect of prior art, the object of this invention is to provide the board-like blowout preventer for sucker rod of a kind of manual brake, this kind of preventer compact conformation, the convenience of dismounting and maintenance under depressurization phase, has that guidance quality is good, a good sealing effect, feature that moment is little.
In order to achieve the above object, by the following technical solutions:
The board-like blowout preventer for sucker rod of a kind of manual brake, comprise the blowout preventer for sucker rod body with axially extending bore, described blowout preventer for sucker rod body middle part is provided with symmetrical two radial aperture, flashboard assembly is installed in each radial aperture, each radial aperture outer end is provided with main lid, it is characterized in that: the main radial direction through hole that is covered with described in each, described radial direction through hole is provided with in the outer end portion near described main lid the stuffing-box that is filled with airtight and watertight padding, the outer end of described main lid is provided with gland and bearing support, the main screw rod being provided with through described gland and described main lid that covers described in each, described screw rod has the polished rod section being fixedly connected with described flashboard assembly with described radial direction through hole through described stuffing-box, the thread segment extending to the outer end of described bearing support, described bearing support is provided with the valve stem nut being connected with described screw flight, described valve stem nut is installed in rotation on described bearing support by bearing, the described valve stem nut partial fixing that exceeds described bearing support outer end that stretches out is connected with handwheel.
Preferably, described screw flight section stretches out and exceeds described handwheel, and the outer end of described handwheel is fixed with dust cover, and described dust cover is enclosed within the part that described screw rod exceeds described handwheel.
Preferably, in described stuffing-box, be provided with U-shaped airtight and watertight padding.
More preferably, the arc tips of described U-shaped airtight and watertight padding is towards the radial outside of described stuffing-box.
Further, described master covers and is also provided with the greasing hole being communicated with described stuffing-box, and described greasing hole is located at the radially inner side of U-shaped airtight and watertight padding described in described stuffing-box.In one embodiment, on described greasing hole, grease pouring valve is installed.
Adopt U-shaped airtight and watertight padding to seal screw rod, sealing effectiveness is better, and has reduced moment.Main covering is provided with greasing hole, when the pressure release of flashboard type blowout preventer for sucker rod, and can be by using grease gun that filler is extruded.
Preferably, described master covers and is provided with one end and is fixed on described master and covers the other end and radially extend internally activity through the guide peg of described flashboard assembly.The effect of guide peg is that the motion of flashboard assembly is led and prevented that flashboard assembly from rotating.
Preferably, in described bearing sleeve is located at the outer end of described main lid and described gland is enclosed in, the movable outer end through described bearing support of described valve stem nut, is tightly connected between described valve stem nut and the outer end of described bearing support.
Preferably, the top sealing that described flashboard assembly comprises flashboard body, is arranged on the front sealing of described flashboard body front end and is arranged on described flashboard body top, described flashboard body is cylindrical that radially center line arranges.
More preferably, described front seal eccentric is arranged in the horizontal mounting groove of described flashboard body, the front sealing alignment pin that described front sealing comprises front caulking gum, is separately positioned on the backing plate of described front caulking gum upper and lower end face and is arranged on the rear end of described front caulking gum.Particularly, the front center that described front sealing is arranged on described flashboard body position on the upper side.
More preferably, described top seals in the arc mounting groove on the outer circumference surface top that is arranged on described flashboard body, the top sealing alignment pin that the sealing of described top comprises top caulking gum and is arranged on caulking gum lower end, described top.
The design of above-mentioned flashboard assembly, closes and realizes sealing, the middle and upper part that is sealed in flashboard body that their are realized while hugging sucker rod at two flashboard bodies.Because pressure makes progress from bottom, flashboard body has certain floating, if when the whole circle of design flashboard body is close, the sealing of flashboard body bottom was easily lost efficacy.And the design of flashboard assembly of the present invention has just been avoided this problem.
Owing to adopting technique scheme, deep water of the present invention under water gate valve hydraulic unit driver has the following advantages: the board-like blowout preventer for sucker rod of manual brake of the present invention is easily processed, maintenance cost is low, readily removable under, little, the good sealing effect of low, the compact conformation of easy-maintaining, maintenance cost, operational torque, guidance quality be good.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the board-like blowout preventer for sucker rod of manual brake of the present invention.
Fig. 2 is the perspective view of flashboard assembly in the present invention.
Fig. 3 is the perspective view of the front sealing of flashboard assembly in the present invention.
Fig. 4 is the perspective view of the top sealing of flashboard assembly in the present invention.
In accompanying drawing: 1, blowout preventer for sucker rod body; 2, flashboard assembly; 3, gasket seal; 4, main lid; 5, nut; 6, bolt; 7, grease pouring valve; 8, finger screw; 9, lubricating cup; 10, handwheel; 11, hand wheel nut; 12, dust cover; 13, guide peg; 14, screw rod; 15, U-shaped airtight and watertight padding; 16, gland; 17, bearing support; 18, bearing; 19, bearing; 20, O RunddichtringO; 21, valve stem nut; 22, flashboard body; 23, front sealing; Caulking gum before 23-1; 23-2, backing plate; 23-3, front sealing alignment pin; 24, top sealing; 24-1, top sealing alignment pin; 24-2, top caulking gum.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
Refer to Fig. 1 to Fig. 4, the board-like blowout preventer for sucker rod of a kind of manual brake, comprise the blowout preventer for sucker rod body 1 with axially extending bore, blowout preventer for sucker rod body 1 middle part is provided with symmetrical two radial aperture, flashboard assembly 2 is installed in each radial aperture, each radial aperture outer end is provided with main lid 4 by bolt 6 and nut 5, and main lid 4 seals by gasket seal 3 with radial aperture outer end.Each main lid 4 is provided with radial direction through hole, and described radial direction through hole is provided with in the outer end portion near main lid 4 stuffing-box that is filled with U-shaped airtight and watertight padding 15.The outer end of main lid 4 is provided with gland 16 and bearing support 17, each main lid 4 is provided with the screw rod 14 through gland 16 and main lid 4, and screw rod 14 has the polished rod section being fixedly connected with flashboard assembly 2 with described radial direction through hole through described stuffing-box, the thread segment extending to the outer end of bearing support 17.Screw rod 14 is coaxially connected with flashboard assembly 2, and the two is fixedly connected with by being arranged on one heart the T-shaped groove of rear end and the T-shaped portion of screw rod 14 front ends of flashboard assembly.Due to the thread segment of screw rod 14 outside in main lid 4, screw thread is not subject to flow-induced corrosion and affects transmission performance and moment.
Wherein, the arc tips of U-shaped airtight and watertight padding 15 is towards the radial outside of described stuffing-box.On main lid 4, be also provided with the greasing hole being communicated with described stuffing-box, described greasing hole is located at the radially inner side of U-shaped airtight and watertight padding 15 in described stuffing-box.In the present embodiment, on described greasing hole, grease pouring valve 7 is installed.Adopt U-shaped airtight and watertight padding to seal screw rod, sealing effectiveness is better, and has reduced moment.When the pressure release of flashboard type blowout preventer for sucker rod, can be by using grease gun that U-shaped airtight and watertight padding 15 is extruded.
Main lid 4 is provided with one end and is fixed on the guide peg 13 of activity through flashboard assembly 2 that radially extend internally of the other end on main lid 4.The effect of guide peg 13 is that the motion of flashboard assembly 2 is led and prevented that flashboard assembly 2 from rotating.
In bearing support 17 is threaded connection and is set in the outer end of main lid 4 and gland 16 is enclosed in, bearing support 17 is fixed on main covering by finger screw 8.The movable outer end through bearing support 17 of valve stem nut 21, is tightly connected by O RunddichtringO 20 between valve stem nut 21 and the outer end of described bearing support 14.In bearing support 17, there is the installing space that bearing 18 and 19 are installed, on bearing support 17, be also provided with the lubricating cup 9 being connected with described installing space.Due to bearing 18 and bearing 19 being installed, manual operation is more laborsaving.Hand rotation handwheel 10 drives valve stem nut 21, thereby drives screw rod 14 radially to move by the threaded function between valve stem nut 21 and screw rod 14, and screw rod 14 drives again flashboard assembly 2 radially to move, and realizes the unlatching of two flashboard assemblies 2 or closes.
Refer to Fig. 2, the top sealing 24 that flashboard assembly 2 comprises flashboard body 22, is arranged on the front sealing 23 of flashboard body 22 front ends and is arranged on flashboard body 22 tops, flashboard body 22 is cylindrical that radially center line arranges, columniform flashboard body is conducive to processing, reduce costs, easy to maintenance.Front sealing 23 bias are arranged in the horizontal mounting groove of flashboard body 22, and front sealing 23 position on the upper side of front center that is arranged on flashboard body 22.Refer to Fig. 3, the front sealing alignment pin 23-4 that front sealing 23 comprises front caulking gum 23-1, is separately positioned on the backing plate 23-2 of front caulking gum 23-1 upper and lower end face and is arranged on the rear end of front caulking gum 23-1, in the dowel hole in the horizontal mounting groove of front sealing alignment pin 23-4 insertion flashboard body 22.Refer to Fig. 4, top sealing 24 is arc arched door shape, push up the top sealing alignment pin 24-2 that sealing 24 comprises top caulking gum 24-1 and is arranged on caulking gum 24-1 lower end, top, in the dowel hole in the arc mounting groove on the outer circumference surface top of top sealing alignment pin 24-2 insertion flashboard body 22.Front sealing 23 and top sealing 24 are closed while hugging sucker rod and are realized sealing at two flashboard bodies 22, the middle and upper part that is sealed in flashboard body 22 that they realize, and sealing effectiveness is better.
The board-like blowout preventer for sucker rod compact conformation of manual brake of the present invention, good sealing effect, simple to operate, can be operated under the high pressure operating mode of 3000psi longer service life.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. the board-like blowout preventer for sucker rod of manual brake, comprise the blowout preventer for sucker rod body with axially extending bore, described blowout preventer for sucker rod body middle part is provided with symmetrical two radial aperture, flashboard assembly is installed in each radial aperture, each radial aperture outer end is provided with main lid, it is characterized in that: the main radial direction through hole that is covered with described in each, described radial direction through hole is provided with in the outer end portion near described main lid the stuffing-box that is filled with airtight and watertight padding, the outer end of described main lid is provided with gland and bearing support, the main screw rod being provided with through described gland and described main lid that covers described in each, described screw rod has the polished rod section being fixedly connected with described flashboard assembly with described radial direction through hole through described stuffing-box, the thread segment extending to the outer end of described bearing support, described bearing support is provided with the valve stem nut being connected with described screw flight, described valve stem nut is installed in rotation on described bearing support by bearing, the described valve stem nut partial fixing that exceeds described bearing support outer end that stretches out is connected with handwheel.
2. the board-like blowout preventer for sucker rod of a kind of manual brake according to claim 1, it is characterized in that: described screw flight section stretches out and exceeds described handwheel, the outer end of described handwheel is fixed with dust cover, and described dust cover is enclosed within the part that described screw rod exceeds described handwheel.
3. the board-like blowout preventer for sucker rod of a kind of manual brake according to claim 1, is characterized in that: described airtight and watertight padding is U-shaped airtight and watertight padding.
4. the board-like blowout preventer for sucker rod of a kind of manual brake according to claim 3, is characterized in that: the arc tips of described U-shaped airtight and watertight padding is towards the radial outside of described stuffing-box.
5. a kind of deep water according to claim 4 gate valve hydraulic unit driver under water, is characterized in that: described master covers and is also provided with the greasing hole being communicated with described stuffing-box, and described greasing hole is located at the radially inner side of U-shaped airtight and watertight padding described in described stuffing-box.
6. the board-like blowout preventer for sucker rod of a kind of manual brake according to claim 1, is characterized in that: described master covers and is provided with one end and is fixed on described master and covers the other end guide peg of activity through described flashboard assembly that radially extend internally.
7. the board-like blowout preventer for sucker rod of a kind of manual brake according to claim 1, it is characterized in that: in described bearing sleeve is located at the outer end of described main lid and described gland is enclosed in, the movable outer end through described bearing support of described valve stem nut, is tightly connected between described valve stem nut and the outer end of described bearing support.
8. the board-like blowout preventer for sucker rod of a kind of manual brake according to claim 1, it is characterized in that: the top sealing that described flashboard assembly comprises flashboard body, is arranged on the front sealing of described flashboard body front end and is arranged on described flashboard body top, described flashboard body is cylindrical that radially center line arranges.
9. the board-like blowout preventer for sucker rod of a kind of manual brake according to claim 8, it is characterized in that: described front seal eccentric is arranged in the horizontal mounting groove of described flashboard body front end the front sealing alignment pin that described front sealing comprises front caulking gum, is separately positioned on the backing plate of described front caulking gum upper and lower end face and is arranged on the rear end of described front caulking gum.
10. the board-like blowout preventer for sucker rod of a kind of manual brake according to claim 8, it is characterized in that: described top seals in the arc mounting groove on the outer circumference surface top that is arranged on described flashboard body the top sealing alignment pin that the sealing of described top comprises top caulking gum and is arranged on caulking gum lower end, described top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310698600.5A CN103670321B (en) | 2013-12-18 | 2013-12-18 | Manual operation flashboard type sucker rod blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310698600.5A CN103670321B (en) | 2013-12-18 | 2013-12-18 | Manual operation flashboard type sucker rod blowout preventer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103670321A true CN103670321A (en) | 2014-03-26 |
| CN103670321B CN103670321B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310698600.5A Active CN103670321B (en) | 2013-12-18 | 2013-12-18 | Manual operation flashboard type sucker rod blowout preventer |
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| CN (1) | CN103670321B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924942A (en) * | 2014-05-07 | 2014-07-16 | 苏州道森钻采设备股份有限公司 | Multifunctional manual ram preventer |
| CN105696971A (en) * | 2014-11-26 | 2016-06-22 | 中国石油天然气集团公司 | Blowout prevention four-way valve |
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|---|---|---|---|---|
| CN2487864Y (en) * | 2001-04-25 | 2002-04-24 | 兰州石油机械研究所 | Blow-out preventer driven by hydraulic action or hand |
| CN2869299Y (en) * | 2005-11-22 | 2007-02-14 | 盐城市大冈石油工具厂 | Multifunctional blow-out preventer |
| CN201560737U (en) * | 2009-12-18 | 2010-08-25 | 沈阳新蓝天科技实业有限公司 | Hydraulic and manual dual-purpose ram preventer |
| CN201568006U (en) * | 2009-12-16 | 2010-09-01 | 中国石油集团渤海钻探工程有限公司 | Dual valve body combined sucker rod blowout preventer |
| CN202882833U (en) * | 2012-10-25 | 2013-04-17 | 中国石油化工股份有限公司 | Manual operation single disc sucker rod blowout preventer used for complex bolt support structure |
| CN203640667U (en) * | 2013-12-18 | 2014-06-11 | 纽威石油设备（苏州）有限公司 | Manual flashboard type sucker-rod blowout preventer |
-
2013
- 2013-12-18 CN CN201310698600.5A patent/CN103670321B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487864Y (en) * | 2001-04-25 | 2002-04-24 | 兰州石油机械研究所 | Blow-out preventer driven by hydraulic action or hand |
| CN2869299Y (en) * | 2005-11-22 | 2007-02-14 | 盐城市大冈石油工具厂 | Multifunctional blow-out preventer |
| CN201568006U (en) * | 2009-12-16 | 2010-09-01 | 中国石油集团渤海钻探工程有限公司 | Dual valve body combined sucker rod blowout preventer |
| CN201560737U (en) * | 2009-12-18 | 2010-08-25 | 沈阳新蓝天科技实业有限公司 | Hydraulic and manual dual-purpose ram preventer |
| CN202882833U (en) * | 2012-10-25 | 2013-04-17 | 中国石油化工股份有限公司 | Manual operation single disc sucker rod blowout preventer used for complex bolt support structure |
| CN203640667U (en) * | 2013-12-18 | 2014-06-11 | 纽威石油设备（苏州）有限公司 | Manual flashboard type sucker-rod blowout preventer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924942A (en) * | 2014-05-07 | 2014-07-16 | 苏州道森钻采设备股份有限公司 | Multifunctional manual ram preventer |
| CN105696971A (en) * | 2014-11-26 | 2016-06-22 | 中国石油天然气集团公司 | Blowout prevention four-way valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103670321B (en) | 2015-12-23 |
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