CN204200155U - Self-locking type pneumatic motor ram preventer - Google Patents
Self-locking type pneumatic motor ram preventer Download PDFInfo
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- CN204200155U CN204200155U CN201420617403.6U CN201420617403U CN204200155U CN 204200155 U CN204200155 U CN 204200155U CN 201420617403 U CN201420617403 U CN 201420617403U CN 204200155 U CN204200155 U CN 204200155U
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- flashboard
- self
- type pneumatic
- locking type
- pneumatic motor
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Abstract
The utility model discloses a kind of self-locking type pneumatic motor ram preventer, comprise blowout preventer body, flashboard and mechanical retractable device, in cylinder sleeve, coupling is set with flashboard axis, is connected with locking screw at flashboard axis internal thread; Flashboard the tip of the axis is connected with flashboard; The rotating shaft of air motor is connected with lock shaft lead screw transmission.The utility model preventer power source is source of the gas, directly can use implement self source of the gas, utilizes wedge shaped support block to improve ram seal, and high-strength abrasion-proof glue core is equipped with in flashboard side can improve its application life.Efficient energy-saving, operating maintenance are convenient, structure is easily understood, is generally suitable for, and volume is little, set up less, easily processing and manufacturing.
Description
Technical field
The utility model relates to oil (gas) field well drilling blowout prevention device technical field, particularly relates to a kind of self-locking type pneumatic motor ram preventer.
Background technology
Preventer is for cutting out well head in the operation process such as formation testing (gas), well workover, completion, preventing gas blowout accident from occurring, and being integrated entirely sealing and partly seal two kinds of functions, is the security seal wellhead assembly preventing blowout that oil field is commonly used.Existing ram preventer, has manually and two large classes of surging.But at the construction field (site), there is inconvenience in manual and hydraulic blowout preventer sometimes, and the speed that manual preventer carries out switch is slow, requires great effort time-consuming, and hydraulic blowout preventer needs to be equipped with hydraulic system, increases cost.Also there is the problem that can not lock in hydraulic blow out preventer, when insufficient pressure or hydraulic system fault, early causes preventer malfunctioning, impact safe handling.
Summary of the invention
The purpose of this utility model is for existing ram preventer Problems existing and deficiency, provides the preventer that a kind of efficient energy-saving, operating maintenance are convenient, structure is easily understood, applicability is strong.
The technical solution of the utility model is: a kind of self-locking type pneumatic motor ram preventer, comprise blowout preventer body, flashboard and controllable extensible device, blowout preventer body includes jet channel and flashboard slideway, flashboard is installed in flashboard slideway, described controllable extensible device is mechanical retractable device, is fixed on the external port of flashboard slideway; Described mechanical retractable device comprises cylinder sleeve, and in cylinder sleeve, coupling is set with flashboard axis, is connected with locking screw at flashboard axis internal thread; Described flashboard the tip of the axis is connected with flashboard; One end of described cylinder sleeve is fixed on blowout preventer body by Connection Block, or be directly fixed on blowout preventer body, the cylinder sleeve other end is connected with air motor by fixed disk, or is directly connected with air motor, and the rotating shaft of air motor is connected with described lock shaft lead screw transmission; At flashboard axis end or be provided with the synchronization-moving spacing display pole with flashboard axis on flashboard, this spacing display pole is provided with spacing block set; Meanwhile, at outer wall of cylinder jachet or inwall, be provided with can with limit switch and outer limit switch in described spacing block set mating reaction; Two vent lines of described air motor install two-position two-way solenoid valve one and two-position two-way solenoid valve two respectively; The holding wire of described interior limit switch is connected with the control end of two-position two-way solenoid valve one, and the holding wire of outer limit switch is connected with the control end of two-position two-way solenoid valve two.
Described flashboard outer end is provided with annular dovetail groove, and flashboard axis end is provided with the annular step with dovetail groove Matching installation.The bottom surface of described flashboard passage is provided with wedge shaped support block, and wedge shaped support block in the inner part thickness is greater than thickness in the outer part.Described flashboard is fixed with high-strength abrasion-proof glue core away from wedge shaped support block side.
The other end of the rotating shaft of air motor is connected with manual control lever, and manual control lever end is provided with handwheel.Described lock shaft leading screw is provided with spacing disk, and cylinder sleeve one end is provided with stopper slot, spacing disk match is installed in stopper slot.
The end of described locking screw is set to protruding tetragonal body, and the rotating shaft of air motor arranges recessed four directions, and the recessed tetragonal body make-up of protruding cubic physical culture is connected.
Feature of the present utility model is: the utility model preventer power source is source of the gas, directly can use implement self source of the gas, well head drilling tool, oil pipe, wire rope and casing annulus sealing when can be applicable to oil (gas) field drillng operation, oil (gas) workover treatment, formation testing (gas) operation, fracturing work, logging operation, the direct closed casing of no operatton equipment and rise setting of casing time sleeve pipe and sleeve pipe between annular space seal, prevent well control accident.
Respectively there is an air motor preventer both sides, rotate forward (reversion) to air motor for pneumatic control motor, make locking screw rotate forward (reversion), and the flashboard inside (outward) promoting to be connected with flashboard axis is mobile, realizes half envelope, full envelope or locked coil wire rope.Utilize wedge shaped support block to improve ram seal, high-strength abrasion-proof glue core is equipped with in flashboard side can improve its application life.Efficient energy-saving, operating maintenance are convenient, structure is easily understood, is generally suitable for, and volume is little, set up less, easily processing and manufacturing.
Accompanying drawing explanation
Fig. 1 is self-locking type pneumatic motor ram preventer structural representation;
Fig. 2 is blowout preventer body structural representation in Fig. 1;
Fig. 3 is mechanical telescopic device structural representation in Fig. 1;
Fig. 4 is the side structure schematic diagram of Fig. 3 axle cylinder sleeve;
Fig. 5 is Pneumatic motor structure schematic diagram.
Number in the figure: 1 is blowout preventer body; 2 is mechanical telescopic device; 3 is air motor; 4 is manual control lever; 5 is jet channel; 6 is flashboard slideway; 7 is Connection Block centre bore; 8 is fixed screw; 9 is Connection Block; 10 is cylinder sleeve fixed screw holes; 11 is flashboard axis abrasive rubber joint ring; 12 is Connection Block O V-shaped ring; 13 is flashboard dovetail groove; 14 is flashboard; 15 is flashboard high-strength abrasion-proof glue core; 16 is wedge shaped support block; 17 is flashboard axis; 18 spacing display poles; 19 is locking screw; 20 is cylinder sleeve; 21 is fixed disk; 22 is convex square; 23 are limited circle of position dish; 24 is rubber seal ring; 25 is air motor fixed screw holes; 26 is fixed disk fixed screw; 27 is outer limit switch; 28 is interior limit switch; 29 is spacing block set; 30 is rubber seal ring; 31 is fixed screw; 32 is spacing display pole nut; 33 is spacing display pole screw thread; 34 is flashboard axis step; 35 is air motor shell; 36 is line shaft; 37 is power crown of roll four directions; 38 is steam vent; 39 is the recessed four directions of line shaft; 40 is air motor fixed screw; 41 is two-position two-way solenoid valve two; 42 is admission line two; 43 is admission line one; 44 is two-position two-way solenoid valve one; 45 is blade; 46 for shrinking gap.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As shown in Figure 1, self-locking type pneumatic motor ram preventer comprises blowout preventer body 1, two mechanical telescopic devices 2, two air motors 3 and two manual control levers 4.Two mechanical telescopic devices 2, in the both sides of blowout preventer body 1, are connected with the flashboard 14 of blowout preventer body 1 by flashboard axis 17, and flashboard axis 17 is connected with air motor 3 by locking screw 19, and air motor 3 is connected with manual control lever 4.
As shown in Figure 2, blowout preventer body 1 comprises jet channel 5, flashboard slideway 6, Connection Block 9, flashboard 14 and wedge shaped support block 16; Jet channel 5 and flashboard slideway 6 form cross, difference Matching installation left and right flashboard 14 in left and right flashboard slideway 6; Left and right flashboard 14 controls the cut out that left and right flashboard slideway 6 and jet channel form cross passage, blowout preventer body upper right side has installation cue mark for illustration of installation direction, the performance parameter etc. of this equipment is described with rivet fixed equipment nameplate.There is Connection Block 9 flashboard slideway 6 outside, left and right, fixed screw 8 is had around Connection Block, for being fixed on blowout preventer body, there is small one and large one circular ring path that flashboard axis 17 and spacing display pole 18 level can be made to move left and right hole 7 centered by large circle passage in the middle of Connection Block, small one and large one circular ring path is built with abrasive rubber joint ring 11, and there is Connection Block O V-shaped ring 12 Connection Block and blowout preventer body junction.Connection Block is connected with mechanical telescopic device 2 by fixed screw 31.Left and right flashboard 14 is equipped with high-strength abrasion-proof glue core 15, has flashboard dovetail groove 13 for mounting with the step 34 of flashboard axis 17.
As shown in Figure 3 and Figure 4, mechanical telescopic device comprises flashboard axis 17, spacing display pole 18, locking screw 19, cylinder sleeve 20, fixed disk 21, outer limit switch 27 and interior limit switch 28.Flashboard axis 17 left end has step 34, and inside is that hollow anti-silk internal thread can be connected with anti-silk external screw thread locking screw 19.Spacing display pole 18 left end has screw thread and hold-down nut 32 for being fixed on flashboard axis step 34, and right-hand member limited location projection 29 is for touching the outer limit switch 27 of manipulation and interior limit switch 28.Locking screw 19 right-hand member limited location disk 23 and convex square 22, convex square is connected for transmitting torque with line shaft 36 left end recessed cubic 39 of air motor 3.Cylinder sleeve 20 left end has fixing for mechanical telescopic device 2 and Connection Block 9 of fixed screw 31, and rubber seal ring 30, for the sealing between flashboard axis and cylinder sleeve, outside limit switches 2728, inner is cylindrical channel moving left and right for flashboard axis 17, inner right side has rubber seal ring 24, and for the sealing between locking screw and cylinder sleeve, there is fixing with air motor 3 of screw hole 25 on outside right side.Fixed disk 21 is connected with cylinder sleeve 20 by fixed screw 26 can the spacing integrated disc portions 23 of fixing and locking leading screw 19.Limit switch 27 controls the cut out of two-position two-way solenoid valve 1, and limit switch 28 controls the cut out of two-position two-way solenoid valve 2 44.
As shown in Figure 5, air motor comprises housing 35, line shaft 36.Housing 35 has steam vent 38, fixed screw 40 is fixed with air motor 3 by the screw hole 25 of cylinder sleeve 20, two-position two-way solenoid valve 1 is housed above external right be connected with gas pipeline 42 and be connected with gas pipeline 43 with two-position two-way solenoid valve 2 44, the two all can pass into enclosure interior.Line shaft 26 is in the inside of housing, left part has recessed cubic 39 can be connected for transmitting torque with the convex square 22 of locking screw 19 right part, it is cylinder in the middle part of line shaft, there is blade 45 in cylinder and shrink gap 46, source of the gas from gas pipeline by two-position two-way solenoid valve enter in air motor housing promote blade drive line shaft rotate, source of the gas is discharged from steam vent, and right part is that convex square 37 is connected with the recessed Tetragonal of manual control lever 4.
During closing well, two-position two-way solenoid valve 1 is in closed condition source of the gas cannot be passed through, open two-position two-way solenoid valve 2 44 source of the gas to enter air motor inside from gas pipeline 43 and promote blade 45 and line shaft 36 is rotated clockwise drive locking screw 19 rotating in same direction to promote flashboard axis 17 and flashboard 14 to left movement, while the flashboard in left and right flashboard slideway 6 merges closing well, the spacing block set 29 of spacing display pole touches limit switch 28 makes two-position two-way solenoid valve 2 44 close cut-out source of the gas, reaches closing well and the object of locking.When driving a well, two-position two-way solenoid valve 2 44 is in closed condition source of the gas cannot be passed through, open two-position two-way solenoid valve 1 source of the gas to enter air motor inside from gas pipeline 42 and promote blade 45 and line shaft 36 is rotated counterclockwise drive locking screw 19 rotating in same direction to pull flashboard axis 17 and flashboard 14 to move right, when the flashboard in left and right flashboard slideway 6 is recovered in blowout preventer body, the spacing block set 29 of spacing display pole touches limit switch 27 makes two-position two-way solenoid valve 1 close cut-out source of the gas, reaches the object driven a well.
If air motor or source of the gas lost efficacy, manual control lever 4 can be used to carry out switch well.
Claims (8)
1. a self-locking type pneumatic motor ram preventer, comprise blowout preventer body, flashboard and controllable extensible device, blowout preventer body includes jet channel and flashboard slideway, flashboard is installed in flashboard slideway, it is characterized in that, described controllable extensible device is mechanical retractable device, is fixed on the external port of flashboard slideway; Described mechanical retractable device comprises cylinder sleeve, and in cylinder sleeve, coupling is set with flashboard axis, is connected with locking screw at flashboard axis internal thread; One end of described cylinder sleeve is arranged on blowout preventer body by Connection Block, and the other end is by being provided with air motor; Described flashboard the tip of the axis is connected with flashboard, and the rotating shaft of described air motor is connected with lock shaft lead screw transmission.
2. self-locking type pneumatic motor ram preventer according to claim 1, is characterized in that: at flashboard axis end or be provided with the synchronization-moving spacing display pole with flashboard axis on flashboard, and this spacing display pole is provided with spacing block set; Meanwhile, at outer wall of cylinder jachet or inwall, be provided with can with limit switch and outer limit switch in described spacing block set mating reaction; Two vent lines of described air motor install two-position two-way solenoid valve one and two-position two-way solenoid valve two respectively; The holding wire of described interior limit switch is connected with the control end of two-position two-way solenoid valve one, and the holding wire of outer limit switch is connected with the control end of two-position two-way solenoid valve two.
3. self-locking type pneumatic motor ram preventer according to claim 1, is characterized in that: described flashboard outer end is provided with annular dovetail groove, and flashboard axis end is provided with the annular step with dovetail groove Matching installation.
4. self-locking type pneumatic motor ram preventer according to claim 1, it is characterized in that: the bottom surface of described flashboard passage is provided with wedge shaped support block, wedge shaped support block in the inner part thickness is greater than thickness in the outer part.
5. self-locking type pneumatic motor ram preventer according to claim 4, is characterized in that: on described flashboard, be fixed with high-strength abrasion-proof glue core away from wedge shaped support block side.
6. self-locking type pneumatic motor ram preventer according to claim 1, it is characterized in that: the other end of the rotating shaft of air motor is connected with manual control lever, manual control lever end is provided with handwheel.
7. self-locking type pneumatic motor ram preventer according to claim 1, is characterized in that: described lock shaft leading screw is provided with spacing disk, and cylinder sleeve one end is provided with stopper slot, spacing disk match is installed in stopper slot.
8. self-locking type pneumatic motor ram preventer according to claim 1, is characterized in that: the end of described locking screw is set to protruding tetragonal body, and the rotating shaft of air motor arranges recessed four directions, and the recessed tetragonal body make-up of protruding cubic physical culture is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617403.6U CN204200155U (en) | 2014-10-24 | 2014-10-24 | Self-locking type pneumatic motor ram preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617403.6U CN204200155U (en) | 2014-10-24 | 2014-10-24 | Self-locking type pneumatic motor ram preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200155U true CN204200155U (en) | 2015-03-11 |
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ID=52658123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420617403.6U Expired - Fee Related CN204200155U (en) | 2014-10-24 | 2014-10-24 | Self-locking type pneumatic motor ram preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877459A (en) * | 2018-06-20 | 2018-11-23 | 中国石油集团渤海钻探工程有限公司 | A kind of oil drilling well-control blowout prevention device group teaching simulating device |
-
2014
- 2014-10-24 CN CN201420617403.6U patent/CN204200155U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877459A (en) * | 2018-06-20 | 2018-11-23 | 中国石油集团渤海钻探工程有限公司 | A kind of oil drilling well-control blowout prevention device group teaching simulating device |
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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: 20150311 Termination date: 20191024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |