CN203640667U - Manual flashboard type sucker-rod blowout preventer - Google Patents
Manual flashboard type sucker-rod blowout preventer Download PDFInfo
- Publication number
- CN203640667U CN203640667U CN201320837471.9U CN201320837471U CN203640667U CN 203640667 U CN203640667 U CN 203640667U CN 201320837471 U CN201320837471 U CN 201320837471U CN 203640667 U CN203640667 U CN 203640667U
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- China
- Prior art keywords
- blowout preventer
- outer end
- sucker rod
- flashboard
- board
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Abstract
The utility model provides a manual flashboard type sucker-rod blowout preventer. The sucker-rod blowout preventer comprises a sucker-rod blowout preventer body with an axial through hole. Two left and right symmetrical radial openings are formed in the middle of the sucker-rod blowout preventer. A flashboard assembly is mounted in each radial opening, a main cover is mounted at the outer end of each radial opening, a radial through hole is formed in each main cover, and stuffing boxes are arranged on the outer end portions of the radial through holes close to the main covers. Stuffing glands and bearing blocks are arranged at the outer ends of the main covers, a screw penetrating the stuffing gland and the main cover is arranged on each main cover, and each screw comprises a polish rod section penetrating the stuffing boxes and the radial through holes to be fixedly connected with the flashboard assembly and a thread section which extends to the outer end of the bearing block. Valve-stem nuts in threaded connection with the screws are arranged on the bearing blocks and are mounted on the bearing blocks through bearings in a rotatable mode, and hand wheels are fixedly connected with the portions of the valve-stem nuts, which extend outwards to exceed the outer ends of the bearing blocks. The sucker-rod blowout preventer is compact in structure, convenient to mount and maintain, small in operation torque and good in seal effect.
Description
Technical field
The utility model relates to a kind of preventer, especially relates 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 actuation, 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 purpose of this utility model 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: 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 that is 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 being provided with through described gland and described main lid, 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, in the time of 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, described flashboard assembly comprises flashboard body, be arranged on the front sealing of described flashboard body front end and be arranged on the top sealing on described flashboard body top, and 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, and 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 front sealing alignment pin of the rear end of described front caulking gum.Particularly, the front center position on the upper side that described front sealing is arranged on described flashboard body.
More preferably, the sealing of described top is arranged in the arc mounting groove on outer circumference surface top of described flashboard 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, 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 from bottom upwards, 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 this problem has just been avoided in the design of flashboard assembly of the present utility model.
Owing to adopting technique scheme, deep water of the present utility model 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 utility model 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.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the board-like blowout preventer for sucker rod of the utility model manual brake.
Fig. 2 is the perspective view of flashboard assembly in the utility model.
Fig. 3 is the perspective view of the front sealing of flashboard assembly in the utility model.
Fig. 4 is the perspective view of the top sealing of flashboard assembly in the utility model.
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.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is preferred embodiment 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 the T-shaped groove of rear end and the T-shaped portion of screw rod 14 front ends that are arranged on one heart 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.
Bearing support 17 is provided with the valve stem nut 21 being threaded with screw rod 14, and valve stem nut 21 is installed in rotation on bearing support 17 by bearing 18 and bearing 19, and valve stem nut 21 partial fixing that exceeds bearing support outer end 17 that stretches out is connected with handwheel 10.The thread segment of described screw rod 14 stretches out 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.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.In the time of 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 is 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, flashboard assembly 2 comprises flashboard body 22, is arranged on the front sealing 23 of flashboard body 22 front ends and is arranged on the top sealing 24 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 is arranged on the front center position on the upper side of flashboard body 22.Refer to Fig. 3, 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 front sealing alignment pin 23-4 of 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 sealing 24 and comprise top caulking gum 24-1 and be arranged on the top sealing alignment pin 24-2 of 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 utility model, 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 utility model and feature; its object is to allow person skilled in the art can understand content of the present utility model and implement according to this; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
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: 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 that is 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 being provided with through described gland and described main lid, 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. the board-like blowout preventer for sucker rod of a kind of manual brake according to claim 4, 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 and radially extend internally activity through the guide peg of described flashboard assembly.
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: described flashboard assembly comprises flashboard body, be arranged on the front sealing of described flashboard body front end and be arranged on the top sealing on described flashboard body top, and 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, 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 front sealing alignment pin of 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: the sealing of described top is arranged in the arc mounting groove on outer circumference surface top of described flashboard 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 |
|---|---|---|---|
| CN201320837471.9U CN203640667U (en) | 2013-12-18 | 2013-12-18 | Manual flashboard type sucker-rod blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837471.9U CN203640667U (en) | 2013-12-18 | 2013-12-18 | Manual flashboard type sucker-rod blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640667U true CN203640667U (en) | 2014-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320837471.9U Withdrawn - After Issue CN203640667U (en) | 2013-12-18 | 2013-12-18 | Manual flashboard type sucker-rod blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203640667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670321A (en) * | 2013-12-18 | 2014-03-26 | 纽威石油设备（苏州）有限公司 | Manual operation flashboard type sucker rod blowout preventer |
-
2013
- 2013-12-18 CN CN201320837471.9U patent/CN203640667U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670321A (en) * | 2013-12-18 | 2014-03-26 | 纽威石油设备（苏州）有限公司 | Manual operation flashboard type sucker rod blowout preventer |
| CN103670321B (en) * | 2013-12-18 | 2015-12-23 | 纽威石油设备（苏州）有限公司 | Manual operation flashboard type sucker rod blowout preventer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |