CN103670321B - Manual operation flashboard type sucker rod blowout preventer - Google Patents
Manual operation flashboard type sucker rod blowout preventer Download PDFInfo
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- CN103670321B CN103670321B CN201310698600.5A CN201310698600A CN103670321B CN 103670321 B CN103670321 B CN 103670321B CN 201310698600 A CN201310698600 A CN 201310698600A CN 103670321 B CN103670321 B CN 103670321B
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- blowout preventer
- sucker rod
- outer end
- bearing support
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Abstract
The invention provides a kind of manual operation flashboard type sucker rod blowout preventer, comprise the blowout preventer for sucker rod body with axially extending bore, symmetrical two radial aperture are provided with in the middle part of blowout preventer for sucker rod body, flashboard assembly is installed in each radial aperture, each radial aperture outer end is provided with main lid, each master is covered with radial direction through hole, radial direction through hole is provided with stuffing-box in the outer end portion near main lid, the outer end of main lid is provided with gland and bearing support, each master covers the screw rod be provided with through gland and main lid, screw rod has the polished rod section be fixedly connected with flashboard assembly with radial direction through hole through stuffing-box, to the thread segment that the outer end of bearing support extends, bearing support is provided with the valve stem nut be connected with screw flight, valve stem nut is installed in rotation on bearing support by bearing, the valve stem nut partial fixing exceeding bearing support outer end that stretches out is connected with handwheel.Compact conformation of the present invention, installation and maintenance are conveniently, operational torque is little, sealing effectiveness is better.
Description
Technical field
The present invention relates to a kind of preventer, especially relate to a kind of manual operation flashboard type sucker rod blowout preventer.
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 joint, 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 fluid 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 uses at the oil pumping unit matching boring oil-recovery operations use.
The mode that flashboard type blowout preventer for sucker rod opens and closes generally has manual actuation, fluid-operated piston driving etc.Drive unit generally comprises and is connected the main cap assemblies sealed, the valve rod driving ram movement and driver with body and forms.Manual operation flashboard type sucker rod blowout preventer structure is in the market extensive, and moment is large, should not keep in repair and safeguard after using.Therefore, need a kind of compact conformation, moment is little, good sealing effect, the manual operation flashboard type sucker rod blowout preventer 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 a kind of manual operation flashboard type sucker rod blowout preventer, this kind of preventer compact conformation, the convenience of dismounting and maintenance under depressurization phase, has the advantages that guidance quality is good, good sealing effect, moment are little.
In order to achieve the above object, by the following technical solutions:
A kind of manual operation flashboard type sucker rod blowout preventer, comprise the blowout preventer for sucker rod body with axially extending bore, symmetrical two radial aperture are provided with in the middle part of described blowout preventer for sucker rod body, flashboard assembly is installed in each radial aperture, each radial aperture outer end is provided with main lid, it is characterized in that: each described master is covered with radial direction through hole, described radial direction through hole is provided with in the outer end portion near described main lid the stuffing-box being filled with airtight and watertight padding, the outer end of described main lid is provided with gland and bearing support, each described master covers the screw rod be provided with through described gland and described main lid, described screw rod has the polished rod section be fixedly connected with described flashboard assembly with described radial direction through hole through described stuffing-box, to the thread segment that the outer end of described bearing support extends, described bearing support is provided with the valve stem nut be 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 exceeding 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, U-shaped airtight and watertight padding is provided with in described stuffing-box.
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 the greasing hole being also provided with and 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, described greasing hole is provided with grease pouring valve.
Adopt U-shaped airtight and watertight padding to seal screw rod, sealing effectiveness is better, and reduces moment.Main covering is provided with greasing hole, when the pressure release of flashboard type blowout preventer for sucker rod, by using grease gun, 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 led to the motion of flashboard assembly and prevents flashboard assembly from rotating.
Preferably, described bearing sleeve is located at the outer end of described main lid and in being enclosed in by described gland, described valve stem nut activity, through the outer end of described bearing support, is tightly connected between the outer end of described valve stem nut and described bearing support.
Preferably, described flashboard assembly comprises gate panel body, is arranged on the front sealing of described gate panel body front end and is arranged on the top sealing on described gate panel body top, and described gate panel body is the cylindrical of radially center line setting.
More preferably, described front seal eccentric is arranged in the horizontal mounting groove of described gate panel body, and before described, 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 front sealing alignment pin of rear end of described front caulking gum.Particularly, before described, sealing is arranged on the front center of described gate panel body position on the upper side.
More preferably, the sealing of described top is arranged in the arc mounting groove on the outer circumference surface top of described gate panel body, and the sealing of described top comprises top caulking gum and is arranged on the top sealing alignment pin of caulking gum lower end, described top.
The design of above-mentioned flashboard assembly, realizes sealing when two gate panel body are closed and hugged sucker rod, the middle and upper part being sealed in gate panel body that they realize.Because pressure from bottom upwards, gate panel body has certain floating, if when the whole circle of design gate panel body is close, the sealing of gate panel body bottom was easily lost efficacy.And the design of flashboard assembly of the present invention just avoids this problem.
Due to adopt technique scheme, deepwater underwater brake valve hydraulic driver of the present invention has the following advantages: manual operation flashboard type sucker rod blowout preventer of the present invention is easily processed, maintenance cost is low, readily removable under, easy-maintaining, maintenance cost are low, compact conformation, operational torque are little, good sealing effect, guidance quality are good.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of manual operation flashboard type sucker rod blowout preventer 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, valve stem nut; 22, gate panel 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.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is described in detail.
Refer to Fig. 1 to Fig. 4, a kind of manual operation flashboard type sucker rod blowout preventer, comprise the blowout preventer for sucker rod body 1 with axially extending bore, symmetrical two radial aperture are provided with in the middle part of blowout preventer for sucker rod body 1, 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 is sealed 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 being 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 be fixedly connected with flashboard assembly 2 with described radial direction through hole through described stuffing-box, the thread segment extended 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 the T-slot of rear end and the T-shaped portion of screw rod 14 front end being arranged on flashboard assembly with one heart.Thread segment due to screw rod 14 is in the outside of main lid 4, and screw thread does not affect transmission performance and moment by flow-induced corrosion.
Bearing support 17 is provided with the valve stem nut 20 be threaded with screw rod 14, and valve stem nut 20 is installed in rotation on bearing support 17 by bearing 18 and bearing 19, and valve stem nut 20 partial fixing exceeding bearing support outer end 17 that stretches out is connected with handwheel 10.The thread segment of described screw rod 14 extends outwardly through and exceeds handwheel 10, and the outer end of handwheel 10 is fixed with dust cover 10, and dust cover 12 is enclosed within the part that screw rod 14 exceeds handwheel 10.
Wherein, the arc tips of U-shaped airtight and watertight padding 15 is towards the radial outside of described stuffing-box.Main lid 4 is also provided with the greasing hole be 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, described greasing hole is provided with grease pouring valve 7.Adopt U-shaped airtight and watertight padding to seal screw rod, sealing effectiveness is better, and reduces moment.When the pressure release of flashboard type blowout preventer for sucker rod, by using grease gun, 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 that flashboard assembly 2 is passed in the activity that radially extends internally of the other end on main lid 4.The effect of guide peg 13 is led to the motion of flashboard assembly 2 and prevents flashboard assembly 2 from rotating.
Bearing support 17 is threaded connection the outer end that is set in main lid 4 and in being enclosed in by gland 16, bearing support 17 is fixed on main covering by finger screw 8.Valve stem nut 20 activity, through the outer end of bearing support 17, is tightly connected by O RunddichtringO between the outer end of valve stem nut 20 and described bearing support 14.There is in bearing support 17 installing space installing bearing 18 and 19, bearing support 17 is also provided with the lubricating cup 9 be connected with described installing space.Owing to being provided with bearing 18 and bearing 19, manual operation is more laborsaving.Hand rotation handwheel 10 drives valve stem nut 20, thus drives screw rod 14 radially to move by the threaded function between valve stem nut 20 and screw rod 14, and screw rod 14 drives again flashboard assembly 2 radially to move, and realizes unlatching or the closedown of two flashboard assemblies 2.
Refer to Fig. 2, flashboard assembly 2 comprises gate panel body 22, is arranged on the front sealing 23 of gate panel body 22 front end and is arranged on the top sealing 24 on gate panel body 22 top, gate panel body 22 is the cylindrical of radially center line setting, columniform gate panel body is conducive to processing, reduce costs, easy to maintenance.Front sealing 23 bias is arranged in the horizontal mounting groove of gate panel body 22, and front sealing 23 is arranged on the front center of gate panel body 22 position on the upper side.Refer to Fig. 3, front sealing 23 comprises front caulking gum 23-1, be separately positioned on the backing plate 23-2 of front caulking gum 23-1 upper and lower end face and be arranged on the front sealing alignment pin 23-4 of rear end of front caulking gum 23-1, and front sealing alignment pin 23-4 inserts in the dowel hole in the horizontal mounting groove of gate panel body 22.Refer to Fig. 4, top sealing 24 is arc gate-shaped, top sealing 24 comprises top caulking gum 24-1 and is arranged on the top sealing alignment pin 24-2 of caulking gum 24-1 lower end, top, and top sealing alignment pin 24-2 inserts in the dowel hole in the arc mounting groove on the outer circumference surface top of gate panel body 22.Front sealing 23 and top sealing 24 realize sealing when two gate panel body 22 are closed and hugged sucker rod, the middle and upper part being sealed in gate panel body 22 that they realize, and sealing effectiveness is better.
Manual operation flashboard type sucker rod blowout preventer compact conformation of the present invention, good sealing effect, simple to operate, under the high pressure operating mode of 3000psi can be operated in, longer service life.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. a manual operation flashboard type sucker rod blowout preventer, comprise the blowout preventer for sucker rod body with axially extending bore, symmetrical two radial aperture are provided with in the middle part of described blowout preventer for sucker rod body, flashboard assembly is installed in each radial aperture, each radial aperture outer end is provided with main lid, it is characterized in that: each described master is covered with radial direction through hole, described radial direction through hole is provided with in the outer end portion near described main lid the stuffing-box being filled with airtight and watertight padding, the outer end of described main lid is provided with gland and bearing support, each described master covers the screw rod be provided with through described gland and described main lid, described screw rod has the polished rod section be fixedly connected with described flashboard assembly with described radial direction through hole through described stuffing-box, to the thread segment that the outer end of described bearing support extends, described bearing support is provided with the valve stem nut be 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 exceeding described bearing support outer end that stretches out is connected with handwheel.
2. a kind of manual operation flashboard type sucker rod blowout preventer 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. a kind of manual operation flashboard type sucker rod blowout preventer according to claim 1, is characterized in that: described airtight and watertight padding is U-shaped airtight and watertight padding.
4. a kind of manual operation flashboard type sucker rod blowout preventer 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 manual operation flashboard type sucker rod blowout preventer according to claim 4, is characterized in that: described master covers the greasing hole being also provided with and 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. a kind of manual operation flashboard type sucker rod blowout preventer 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 and radially extend internally activity through the guide peg of described flashboard assembly.
7. a kind of manual operation flashboard type sucker rod blowout preventer according to claim 1, it is characterized in that: described bearing sleeve be located at described main lid outer end and in described gland is enclosed in, described valve stem nut activity, through the outer end of described bearing support, is tightly connected between the outer end of described valve stem nut and described bearing support.
8. a kind of manual operation flashboard type sucker rod blowout preventer according to claim 1, it is characterized in that: described flashboard assembly comprises gate panel body, is arranged on the front sealing of described gate panel body front end and is arranged on the top sealing on described gate panel body top, and described gate panel body is the cylindrical of radially center line setting.
9. a kind of manual operation flashboard type sucker rod blowout preventer according to claim 8, it is characterized in that: described front seal eccentric is arranged in the horizontal mounting groove of described gate panel body front end, before described, 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 front sealing alignment pin of rear end of described front caulking gum.
10. a kind of manual operation flashboard type sucker rod blowout preventer according to claim 8, it is characterized in that: the sealing of described top is arranged in the arc mounting groove on the outer circumference surface top of described gate panel body, the sealing of described top comprises top caulking gum and is arranged on the top sealing alignment pin of 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 |
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| Publication Number | Publication Date |
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| CN103670321A CN103670321A (en) | 2014-03-26 |
| CN103670321B true CN103670321B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310698600.5A Active CN103670321B (en) | 2013-12-18 | 2013-12-18 | Manual operation flashboard type sucker rod blowout preventer |
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Families Citing this family (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 |
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 |
| 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 |
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| CN103670321A (en) | 2014-03-26 |
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