CN203702069U - Blowout preventer for well drilling - Google Patents
Blowout preventer for well drilling Download PDFInfo
- Publication number
- CN203702069U CN203702069U CN201420095155.3U CN201420095155U CN203702069U CN 203702069 U CN203702069 U CN 203702069U CN 201420095155 U CN201420095155 U CN 201420095155U CN 203702069 U CN203702069 U CN 203702069U
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- China
- Prior art keywords
- piston
- hydraulic pump
- valve
- cylinder
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a blowout preventer for well drilling and in particular relates to the blowout preventer for well drilling. The blowout preventer for well drilling is characterized in that the outlet of a pressure reducing valve is communicated with a protective door, a gate plate is arranged at the outlet of the pressure releasing valve, the outer side of the protective door is communicated with a cylinder, a piston is arranged inside the cylinder, one end of the piston is connected with the gate plate through a connecting rod, the other end of the piston is connected with a piston rod, a reset spring is arranged between the protective door and the piston, the cylinder is connected with a hydraulic pump through an oil pipe, the oil pipe between the hydraulic pump and an oil tank is provided with an oil inlet valve, the oil pipe between the hydraulic pump and the cylinder is provided with an oil draining valve, and the oil pipe between the cylinder and the oil tank is provided with a stop valve; the blowout preventer for well drilling has the advantages that, by operating the hydraulic pump manually, the hydraulic oil is pumped into the cylinder and pushes the piston to drive the gate plate to move towards the pressure reducing valve, and thus a well is sealed, operation is simple, use is convenient, the well can be rapidly sealed, and time and labor are saved.
Description
Technical field
The utility model relates to a kind of well drilling blowout prevention device, particularly a kind of well drilling blowout prevention device.
Background technology
Reducing valve is to be required lower pressure by pressure decreased higher in blowout preventer hydraulic system, for the required different pressures of hydraulic system different branch, is beneficial to hydraulic system and normally uses.At present, traditional reducing valve is mainly the gentle hand reducing pressure valve of hand reducing pressure valve, and hand reducing pressure valve is merely able to by people's manual voltage regulation, and gas hand reducing pressure valve can manual voltage regulation and pneumatic one-way pressure-regulating.When Pneumatic unidirectional pressure regulation, initial force value need to be first set, according to the position that connects gas circuit, can only regulate initial pressure to raise or reduce, can not realize free pressure regulation, after reducing valve pressure release, need manual operation, the bothersome effort of seal operation, has strengthened master worker's labour intensity.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, and a kind of well drilling blowout prevention device is provided.
Its technical scheme is: comprise reducing valve, protective door, cylinder body, piston, flashboard, back-moving spring, piston rod, hydraulic pump, connecting rod, stop valve, draining valve, inlet valve, oil circuit, fuel tank, the outlet of reducing valve is communicated with protective door, described reducing valve exit is provided with flashboard, the outside of protective door is communicated with cylinder body, described cylinder interior is provided with piston, one end of piston connects flashboard by connecting rod, the other end of described piston connects piston rod, between described protective door and piston, be provided with back-moving spring, cylinder body is by oil circuit connecting fluid press pump, oil circuit between described hydraulic pump and fuel tank is provided with inlet valve, oil circuit between hydraulic pump and cylinder body is provided with draining valve, oil circuit between described cylinder body and fuel tank is provided with stop valve.
Described hydraulic pump comprises by hydraulic pump oil cylinder, hydraulic pump piston, pillar, lever plug four parts and forming, and hydraulic pump oil cylinder inside is provided with hydraulic pump piston, the external stability pillar of hydraulic pump oil cylinder, and the top of pillar connects hydraulic pump piston by lever plug.
The beneficial effects of the utility model are: by manual hydraulic pump, hydraulic oil is pressed into cylinder body, promotes piston driving flashboard and move to reducing valve, thereby realize shut-in well, simple to operate, easy to use, closing well is fast, time saving and energy saving.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model;
In upper figure: reducing valve 1, protective door 2, cylinder body 3, piston 4, flashboard 5, back-moving spring 6, piston rod 7, hydraulic pump 8, connecting rod 9, stop valve 10, draining valve 11, inlet valve 12, oil circuit 13, fuel tank 14;
Accompanying drawing 2 is structural representations of hydraulic pump;
In upper figure: hydraulic pump oil cylinder 8.1, hydraulic pump piston 8.2, pillar 8.3, lever plug 8.4.
Detailed description of the invention
1-2 by reference to the accompanying drawings, the utility model will be further described:
The utility model comprises reducing valve 1, protective door 2, cylinder body 3, piston 4, flashboard 5, back-moving spring 6, piston rod 7, hydraulic pump 8, connecting rod 9, stop valve 10, draining valve 11, inlet valve 12, oil circuit 13, fuel tank 14, the outlet of reducing valve 1 is communicated with protective door 2, described reducing valve 1 exit is provided with flashboard 5, the outside of protective door 2 is communicated with cylinder body 3, described cylinder body 3 inside are provided with piston 4, one end of piston 4 connects flashboard 5 by connecting rod 9, the other end of described piston 4 connects piston rod 7, between described protective door 2 and piston 4, be provided with back-moving spring 6, cylinder body 3 is by oil circuit 13 connecting fluid press pumps 8, oil circuit between described hydraulic pump 8 and fuel tank 14 is provided with inlet valve 12, oil circuit between hydraulic pump 8 and cylinder body 3 is provided with draining valve 11, oil circuit between described cylinder body 3 and fuel tank 14 is provided with stop valve 10.
Described hydraulic pump 8 comprises by hydraulic pump oil cylinder 8.1, hydraulic pump piston 8.2, pillar 8.3, lever plug 8.4 4 parts and forming, hydraulic pump oil cylinder 8.1 inside are provided with hydraulic pump piston 8.2, the external stability pillar 8.3 of hydraulic pump oil cylinder 8.1, the top of pillar 8.3 connects hydraulic pump piston 8.2 by lever plug 8.4.
By manual hydraulic pump, hydraulic oil is pressed into cylinder body, promotes piston driving flashboard and move to reducing valve, thereby realize shut-in well, in the time that reducing valve pressure is excessive, simple to operate, easy to use, closing well is fast, time saving and energy saving.
Claims (2)
1. a well drilling blowout prevention device, it is characterized in that: comprise reducing valve, protective door, cylinder body, piston, flashboard, back-moving spring, piston rod, hydraulic pump, connecting rod, stop valve, draining valve, inlet valve, oil circuit, fuel tank, the outlet of reducing valve is communicated with protective door, described reducing valve exit is provided with flashboard, the outside of protective door is communicated with cylinder body, described cylinder interior is provided with piston, one end of piston connects flashboard by connecting rod, the other end of described piston connects piston rod, between described protective door and piston, be provided with back-moving spring, cylinder body is by oil circuit connecting fluid press pump, oil circuit between described hydraulic pump and fuel tank is provided with inlet valve, oil circuit between hydraulic pump and cylinder body is provided with draining valve, oil circuit between described cylinder body and fuel tank is provided with stop valve.
2. well drilling blowout prevention device according to claim 1, it is characterized in that: described hydraulic pump comprises by hydraulic pump oil cylinder, hydraulic pump piston, pillar, lever plug four parts and forming, hydraulic pump oil cylinder inside is provided with hydraulic pump piston, the external stability pillar of hydraulic pump oil cylinder, the top of pillar connects hydraulic pump piston by lever plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095155.3U CN203702069U (en) | 2014-03-04 | 2014-03-04 | Blowout preventer for well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095155.3U CN203702069U (en) | 2014-03-04 | 2014-03-04 | Blowout preventer for well drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702069U true CN203702069U (en) | 2014-07-09 |
Family
ID=51052525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420095155.3U Expired - Fee Related CN203702069U (en) | 2014-03-04 | 2014-03-04 | Blowout preventer for well drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702069U (en) |
-
2014
- 2014-03-04 CN CN201420095155.3U patent/CN203702069U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150304 |
|
| EXPY | Termination of patent right or utility model |