CN201250636Y - Rapid connecting side door type gate-tube preventer - Google Patents
Rapid connecting side door type gate-tube preventer Download PDFInfo
- Publication number
- CN201250636Y CN201250636Y CNU2008201095615U CN200820109561U CN201250636Y CN 201250636 Y CN201250636 Y CN 201250636Y CN U2008201095615 U CNU2008201095615 U CN U2008201095615U CN 200820109561 U CN200820109561 U CN 200820109561U CN 201250636 Y CN201250636 Y CN 201250636Y
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- Prior art keywords
- side door
- housing
- preventer
- groove
- lock dog
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Abstract
The utility model provides a rapid connecting side door type gate-tube preventer applied to petroleum drilling and well repairing construction. The rapid connecting side door type gate-tube preventer is characterized in that a slot is formed on a preventer housing gate-tube cavity and a side door. The side door is opposite to the slot after arranged in the preventer housing. A housing locking block and a side door blocking block are arranged inside the slot. The opposite surface of the housing locking block and the side door locking block is embedded and matched with a tooth-shaped surface. A locking mechanism mainly comprises a locking bolt, a transverse top rod, a hard wearing nut and a vertical top rod. A T-shaped hole is formed on the side door, and the opening end of the transverse hole is provided with the fastening bolt. The transverse top rod is arranged inside a transverse hole. A vertical top rod is respectively arranged inside the vertical hole. The front end of the locking bolt is connected with a circumferential groove at the top end of the transverse top rod, and the sloped surface at the front end of the transverse hole contacts with the sloped surface at the end part of the vertical top rod. Locking hydraulic assemblies are fixed at the two sides of the side door. The utility model has the advantages that the hydraulic pressure structure can quickly connect the housing and the side door, and the side door is opened and the gate-tube of the preventer can be replaced more quickly by utilizing the hydraulic pressure.
Description
Technical field
The utility model relates to the preventer that oil drilling, well workover are used, and particularly a kind of ram preventer is a kind of quick connection side door formula ram preventer.
Background technology
At present, in drilling well or well workover, need to use preventer control well head.Usually need be in the construction operation at the drilling rod of different-diameter, the flashboard in the different apertures of tubing selection, so preventer is equipped with the flashboard of multiple aperture specification.Change flashboard in construction, usual method is: at first dismantle side door of blowout preventer; Take out former flashboard; According to the drilling rod in different apertures, the replacing flashboard that oil pipe is selected corresponding size; Installed and fixed side door of blowout preventer at last.
Conventional preventer is changed flashboard need dismantle the side door bolt, and finishing needs to tighten the side door bolt after changing flashboard.The labour intensity of changing ram block is big, and the replacing time is long, influences the whole construction progress.
Also having a kind of method is to be equipped with variable bore ram for preventer.Variable bore ram can satisfy the seal request of different-diameter drilling rod, oil pipe.But the design of variable bore ram, manufacturing cost are very high, increase the construction operation cost.
The utility model content
The purpose of this utility model is: a kind of quick connection side door formula ram preventer is provided, does not use the side door bolt arrangement, adopt hydraulic structure can connect housing and side door fast, utilize hydraulic pressure opening side door and the quick flashboard of changing preventer.
The technical solution adopted in the utility model is: the utility model connects side door formula ram preventer fast, mainly is made up of preventer housing, side door, housing lock dog, side door lock dog, backing plate and retaining mechanism.Fluted respectively on plane and lower plane on the preventer housing flashboard chamber.Plane and lower plane have groove respectively on side door.After side door was packed the preventer housing into, the groove in preventer housing flashboard chamber was relative with the groove of side door.In the groove of preventer housing, be fixed with bar shaped housing lock dog.Bar shaped side door lock dog is arranged in the groove of side door.Backing plate is arranged at the bottom of side door lock dog.Housing lock dog and side door lock dog opposite face are respectively toothed surface.The toothed surface of housing lock dog is inlayed with side door lock dog toothed surface and is cooperated.
Retaining mechanism mainly is made up of tight fixed bolt, transverse crown bar, wear-resisting nut and perpendicular push rod.Cross-drilled hole and vertical core are arranged on side door, and cross-drilled hole and vertical core are the T font, and cross-drilled hole is communicated with vertical core.The openend of cross-drilled hole is on the end face of side door.The opening part of the cross-drilled hole tight fixed bolt that has been threaded.Tight fixed bolt can adopt wear-resisting nut to be connected the opening part of cross-drilled hole, and described wear-resisting nut outer wall has screw thread, and endoporus has screw thread.Transverse crown bar is arranged in cross-drilled hole, and the end of transverse crown bar is inclined-plane or taper seat.The vertical core two ends are in the groove of the groove in preventer housing flashboard chamber and side door.A perpendicular push rod is arranged respectively in described vertical core.The tight fixed bolt front end has T-slot to be connected with transverse crown bar top circumferential groove, rotates tight fixed bolt, can drive transverse crown bar and move forward, and the inclined-plane of transverse crown bar front end contacts with the inclined-plane or the taper seat of perpendicular push rod end.Be fixed with locking fluid cylinder assembly in the both sides of side door,, promote locking fluid cylinder assembly piston rod and drive that the side door lock dog is upper and lower to be moved and with the engagement of housing lock dog or throw off by opening oil circuit to the locking fluid cylinder and closing oil circuit and inject high-pressure and hydraulic oil.
Number of teeth amount on the toothed surface on housing lock dog and the side door lock dog is 3-6, is arranged in parallel, and the tooth on the toothed surface is 0 °～45 °, and vertical tooth top plane, a limit is arranged.
Described groove and groove are rectangle, and the width of groove and groove is between 60～100 millimeters, and width is between 60～100 millimeters.
Stationary housing lock dog in the groove of described preventer housing, the fixed form of employing is with soket head cap screw the housing lock dog to be fixed in the groove of preventer housing 1.
The course of work of locking side door: consult Fig. 1 when closing oil circuit injection hydraulic oil to the locking fluid cylinder, piston rod drives side door lock dog 3 and moves outward, with the engagement of housing lock dog 2 profiles of tooth, after side door lock dog 3 moves to extreme position, insert backing plate 6 respectively from slit, side door lock dog 3 both sides.Consult Fig. 3.Tighten tight fixed bolt 102 again, driving transverse crown bar 103 moves forward, lean on the moving perpendicular push rod 105 of trying hard to recommend of the vertical direction of wedge shape inclined-plane generation to move outward, hold out against backing plate 6 simultaneously, backing plate 6 compresses the housing lock dog 2 and the side door lock dog 3 of engagement, prevents that the housing lock dog 2 and the side door lock dog 3 that mesh from rotating when being subjected to external force, getting loose.
The course of work of release side door: consult Fig. 3.Tight fixed bolt 102 is loosened in rotation, drives transverse crown bar 103 and outwards moves, and throws off with perpendicular push rod 105 to contact, and extracts the backing plate 6 of free state out.Consult Fig. 5.Then, open oil circuit to the locking fluid cylinder and inject hydraulic oil, piston rod wherein drives side door lock dog 3 and moves to inside, and throws off with housing lock dog 2 profiles of tooth, after side door lock dog 3 moves to extreme position, and can the release side door.
Hydraulic pressure opening or close side door adopts my ZL02232891.2 of house journal " a kind of drilling well ram preventer ".Energy pushswitch side door is changed flashboard rapidly.
The beneficial effects of the utility model: the utility model connects side door formula ram preventer fast, adopts hydraulic structure can connect housing and side door fast, utilizes hydraulic pressure opening side door and the quick flashboard of changing preventer.
Description of drawings
Fig. 1 connects side door formula ram preventer structural profile schematic diagram fast.What the left-half of Fig. 1 was represented is the side door locking state; What the right half part of Fig. 1 was represented is the side door released state.
Fig. 2 is the schematic cross section of housing lock dog 2 and side door lock dog 3.
Fig. 3 is the locking mechanism structure generalized section.
Fig. 4 is the axle side schematic diagram of tight fixed bolt 102, transverse crown bar 103 and hold-down nut 104.
Fig. 5 connects side door formula ram preventer exploded sketch fast.
Among the figure, 1-preventer housing, 2-housing lock dog, 3-side door lock dog, the 4-side door, 5-locking fluid cylinder assembly, the 6-backing plate, the 102-tight fixed bolt, the 103-transverse crown bar, the 104-hold-down nut, 105-erects push rod, 201-groove, 202-groove.
The specific embodiment
Embodiment 1:
Consult Fig. 1.The utility model connects side door formula ram preventer fast, mainly is made up of preventer housing 1, side door 4, housing lock dog 2, side door lock dog 3, backing plate 6 and retaining mechanism.On plane and the lower plane groove 201 is being arranged respectively on the preventer housing 1 flashboard chamber.Plane and lower plane have a groove 202 respectively on side door 4.Groove 201 and groove 202 are rectangle, and the width of groove 201 and groove 202 is 80 millimeters, and width is 80 millimeters.After side door 4 was packed preventer housing 1 into, the groove 201 in preventer housing 1 flashboard chamber was relative with the groove 202 of side door 4.In the groove 201 of preventer housing 1, be fixed with bar shaped housing lock dog 2.Use hexagon socket countersunk flat cap head screw, housing lock dog 2 is fixed in the groove 201 of preventer housing 1.Bar shaped side door lock dog 3 is arranged in the groove 202 of side door 4.Backing plate 6 is arranged at the bottom of side door lock dog 3.
Consult Fig. 2.Housing lock dog 2 and side door lock dog 3 opposite faces are respectively toothed surface.The toothed surface of housing lock dog 2 is inlayed with side door lock dog 3 toothed surface and is cooperated.Number of teeth amount on the toothed surface is 3, is arranged in parallel, on one side the tooth on the toothed surface is 45 °, vertical tooth top plane, a limit is arranged.
Consult Fig. 3.Retaining mechanism mainly is made up of tight fixed bolt 102, transverse crown bar 103, wear-resisting nut 104 and perpendicular push rod 105.A cross-drilled hole and a vertical core are arranged on side door 4, and cross-drilled hole and vertical core are the T font, and cross-drilled hole intersects and is communicated with vertical core.The openend of cross-drilled hole is on the end face of side door 4.The opening part of the cross-drilled hole wear-resisting nut 104 that is threaded.Described wear-resisting nut 104 outer walls have screw thread, and endoporus has screw thread.Transverse crown bar 103 is arranged in cross-drilled hole, and the end of transverse crown bar 103 is the inclined-plane.The vertical core two ends are in the groove 202 of the groove 201 in preventer housing 1 flashboard chamber and side door 4.A perpendicular push rod 105 is arranged respectively in described vertical core.
Consult Fig. 4.Tight fixed bolt 102 front ends have T-slot to be connected with transverse crown bar 103 top circumferential grooves, rotate tight fixed bolt 102, can drive transverse crown bar 103 and move forward, and the inclined-plane of transverse crown bar 103 front ends contacts with the inclined-plane or the taper seat of perpendicular push rod 105 ends.
Consult Fig. 5.Be fixed with locking fluid cylinder assembly 5 in the both sides of side door 4,, promote locking fluid cylinder assembly 5 piston rods and drive that side door lock dog 3 is upper and lower to be moved and with 2 engagements of housing lock dog or throw off by opening oil circuit to the locking fluid cylinder and closing oil circuit and inject high-pressure and hydraulic oil.
Claims (5)
1, a kind of quick connection side door formula ram preventer, mainly by preventer housing (1), side door (4), housing lock dog (2), side door lock dog (3), backing plate (6) and retaining mechanism are formed, it is characterized in that: on the last plane in preventer housing (1) flashboard chamber and lower plane fluted (201) respectively, last plane and lower plane at side door (4) have groove (202) respectively, after side door (4) is packed preventer housing (1) into, the groove (201) in preventer housing (1) flashboard chamber is relative with the groove (202) of side door (4), in the groove (201) of preventer housing (1), be fixed with bar shaped housing lock dog (2), in the groove (202) of side door (4), bar shaped side door lock dog (3) is arranged, backing plate (6) is arranged at the bottom of side door lock dog (3), housing lock dog (2) and side door lock dog (3) opposite face are respectively toothed surface, and the toothed surface of housing lock dog (2) is inlayed with side door lock dog (3) toothed surface and cooperated;
Retaining mechanism is mainly by tight fixed bolt (102), transverse crown bar (103), wear-resisting nut (104) and perpendicular push rod (105) are formed, on side door (4), cross-drilled hole and vertical core are arranged, cross-drilled hole and vertical core are the T font, cross-drilled hole is communicated with vertical core, the openend of cross-drilled hole is on the end face of side door (4), the opening part of the cross-drilled hole tight fixed bolt (102) that has been threaded, transverse crown bar (103) is arranged in cross-drilled hole, the end of transverse crown bar (103) is inclined-plane or taper seat, the vertical core two ends are in the groove (202) of the groove (201) in preventer housing (1) flashboard chamber and side door (4), a perpendicular push rod (105) is arranged respectively in described vertical core, tight fixed bolt (102) front end has T-slot to be connected with transverse crown bar (103) top circumferential groove, rotate tight fixed bolt (102), can drive transverse crown bar (103) moves forward, the inclined-plane of transverse crown bar (103) front end contacts with the inclined-plane or the taper seat of perpendicular push rod (105) end, is fixed with locking fluid cylinder assembly (5) in the both sides of side door (4).
2, quick connection side door formula ram preventer according to claim 1, it is characterized in that: tight fixed bolt (102) adopts wear-resisting nut (104) to be connected the opening part of cross-drilled hole, described wear-resisting nut (104) outer wall has screw thread, and endoporus has screw thread, and tight fixed bolt (102) is connected in the wear-resisting nut (104).
3, quick connection side door formula ram preventer according to claim 1, it is characterized in that: the number of teeth amount on the toothed surface on housing lock dog (2) and the side door lock dog (3) is 3～6, be arranged in parallel, the tooth on the toothed surface is 0 °～45 °, and vertical tooth top plane, a limit is arranged.
4, quick connection side door formula ram preventer according to claim 1 is characterized in that: described groove (201) is a rectangle with groove (202), and the width of groove (201) and groove (202) is between 60～100 millimeters, and width is between 60～100 millimeters.
5, according to claim 1 or 2 or 3 or 4 described quick connection side door formula ram preventers, it is characterized in that: the interior stationary housing lock dog of groove (201) (2) of described preventer housing (1), the fixed form of employing are with soket head cap screw housing lock dog (2) to be fixed in the groove (201) of preventer housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201095615U CN201250636Y (en) | 2008-07-31 | 2008-07-31 | Rapid connecting side door type gate-tube preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201095615U CN201250636Y (en) | 2008-07-31 | 2008-07-31 | Rapid connecting side door type gate-tube preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250636Y true CN201250636Y (en) | 2009-06-03 |
Family
ID=40746310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201095615U Expired - Lifetime CN201250636Y (en) | 2008-07-31 | 2008-07-31 | Rapid connecting side door type gate-tube preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201250636Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013155200A2 (en) * | 2012-04-10 | 2013-10-17 | National Oilwell Varco, L.P. | Blowout preventer locking door assembly and method of using same |
| CN105014017A (en) * | 2015-07-14 | 2015-11-04 | 中国科学院金属研究所 | Complex structure ceramic core combination technology |
| CN107702909A (en) * | 2017-10-30 | 2018-02-16 | 天津市汇点机电设备开发有限公司 | Quick-locking device |
| CN114599855A (en) * | 2019-08-27 | 2022-06-07 | 贝克休斯油田运营有限责任公司 | Blowout preventer systems and methods |
-
2008
- 2008-07-31 CN CNU2008201095615U patent/CN201250636Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013155200A2 (en) * | 2012-04-10 | 2013-10-17 | National Oilwell Varco, L.P. | Blowout preventer locking door assembly and method of using same |
| WO2013155200A3 (en) * | 2012-04-10 | 2014-07-31 | National Oilwell Varco, L.P. | Blowout preventer locking door assembly and method of using same |
| CN104285030A (en) * | 2012-04-10 | 2015-01-14 | 国民油井华高公司 | Blowout preventer locking door assembly and method of using same |
| CN105014017A (en) * | 2015-07-14 | 2015-11-04 | 中国科学院金属研究所 | Complex structure ceramic core combination technology |
| CN105014017B (en) * | 2015-07-14 | 2018-07-10 | 中国科学院金属研究所 | A kind of labyrinth ceramic core group technology |
| CN107702909A (en) * | 2017-10-30 | 2018-02-16 | 天津市汇点机电设备开发有限公司 | Quick-locking device |
| CN114599855A (en) * | 2019-08-27 | 2022-06-07 | 贝克休斯油田运营有限责任公司 | Blowout preventer systems and methods |
| CN114599855B (en) * | 2019-08-27 | 2024-05-10 | 贝克休斯油田运营有限责任公司 | Blowout preventer system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |
|
| CX01 | Expiry of patent term |