CN113404462B - Equipment for replacing wellhead valve of oil field assisted by petroleum exploitation - Google Patents
Equipment for replacing wellhead valve of oil field assisted by petroleum exploitation Download PDFInfo
- Publication number
- CN113404462B CN113404462B CN202110892984.9A CN202110892984A CN113404462B CN 113404462 B CN113404462 B CN 113404462B CN 202110892984 A CN202110892984 A CN 202110892984A CN 113404462 B CN113404462 B CN 113404462B
- Authority
- CN
- China
- Prior art keywords
- frame
- shaped
- slotting
- wedge
- special
- 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.)
- Active
Links
- 239000003208 petroleum Substances 0.000 title description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 238000005553 drilling Methods 0.000 claims abstract description 18
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 25
- 230000002457 bidirectional effect Effects 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000005086 pumping Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 7
- 239000003129 oil well Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the field of oil exploitation, in particular to equipment for assisting in replacing an oilfield wellhead valve in oil exploitation, which comprises a first base frame, a second base frame, a slotting connecting plate, an opening and closing mechanism, a drilling mechanism and the like; the other supporting equipment is provided with a first base frame, the other supporting equipment is provided with a second base frame, a slotted connecting plate is connected between the first base frame and the second base frame, an opening and closing mechanism is arranged on the slotted connecting plate, and the drilling mechanism is arranged on the opening and closing mechanism. Through rubber seal, rubber seal blocks up the oil wellhead to make the staff can change the valve for the oil wellhead at the oil pumping in-process, for follow-up change valve is convenient, reached can be effectively for the staff change the valve for the oil wellhead and provide convenient effect.
Description
Technical Field
The invention relates to the field of oil exploitation, in particular to equipment for assisting in replacing an oilfield wellhead valve in oil exploitation.
Background
The oil well is a hole drilled by a drilling method, after the oil well reaches an oil layer, a worker can drop into an oil layer sleeve, oil well cement is injected into an annular space between the sleeve and a well wall, so that the well wall is maintained, oil, gas and water layers are sealed, then the oil layer is shot by a perforating gun according to the development requirement of the oil field, a channel is formed, the oil pipe is dropped, and the oil is lifted to a wellhead from the bottom of the oil well by a proper induced flow method.
In the process of pumping oil upwards from an oil well, a wellhead valve is needed, but the wellhead valve needs to be replaced after long-time use, the prior art needs to manually close the valve to stop pumping work and then replace the valve, and the valve needs to be re-opened after replacement is completed to pump oil, but the wellhead valve cannot be replaced in pumping work in the prior art, so that pumping efficiency is greatly reduced.
Disclosure of Invention
Based on the above, it is necessary to provide an apparatus for assisting in replacing the wellhead valve of an oil field for oil exploitation, which is convenient for assisting other apparatuses in replacing the valve for the wellhead of the oil field in the oil pumping process, so as to solve the problem that the wellhead valve cannot be replaced in the oil pumping work, which is proposed in the prior art.
The technical scheme of the invention is as follows: the utility model provides an equipment that is used for oil exploitation to assist oil field well head valve to change, including base frame one, base frame two, the fluting connecting plate, mechanism that opens and shuts, drilling mechanism, shutoff mechanism, rotary mechanism and pushing down sealing mechanism, be equipped with base frame one on other supporting equipment, be equipped with base frame two on other supporting equipment, the joint has the fluting connecting plate between base frame one and the base frame two jointly, be equipped with the mechanism that opens and shuts on the fluting connecting plate, drilling mechanism locates on the mechanism that opens and shuts, shutoff mechanism locates on base frame two, rotary mechanism locates on the fluting connecting plate, pushing down sealing mechanism locates on the drilling mechanism.
In one embodiment, the opening and closing mechanism comprises a motor supporting block, a bidirectional motor, a special-shaped sliding rod, a first gear, a first rack, sliding teeth, a first reset spring, a slotted clamping ring, an arc-shaped slotted sliding block, a limiting plate, a second reset spring, a first torsion spring and a three-way pipe, wherein the motor supporting block is connected to the slotted connecting plate, the bidirectional motor is arranged on the motor supporting block, the two special-shaped sliding rods are connected to the slotted connecting plate in a sliding mode, the two special-shaped sliding rods are arranged in a staggered mode, the output shaft of the bidirectional motor below is connected with the first gear, the first rack is connected to the special-shaped sliding rod in a meshed mode, the first rack is connected to the first gear in a sliding mode, the first rack is symmetrically connected with the sliding teeth, the slotted clamping ring is connected to the special-shaped sliding rod, the limiting plate is connected to the arc-shaped slotted sliding block in a sliding mode, the second reset spring is connected between the arc-shaped slotted sliding block and the slotted clamping ring, the first torsion spring is symmetrically connected between the limiting plate and the arc-shaped slotted sliding block, and the three-way pipe is clamped between the slotted clamping ring and the limiting plate.
In one embodiment, the drilling mechanism comprises a reciprocating screw rod, a guide frame, a special-shaped sliding nut, a transmission disc, a connecting rod, a supporting rod, an octahedral shaft, a first rectangular slotted frame, a triangular sliding sleeve, a drill bit, a third reset spring and a supporting bottom plate, wherein the reciprocating screw rod is connected to an output shaft of the bidirectional motor above, the guide frame is rotatably connected to a motor supporting block, the guide frame is rotatably connected with the reciprocating screw rod, the special-shaped sliding nut is in threaded fit with the reciprocating screw rod, the special-shaped sliding nut is in sliding fit with the guide frame, the top end of the reciprocating screw rod is connected with the transmission disc, the supporting rod is connected to the guide frame, the octahedral shaft is rotatably connected with the octahedral shaft, the octahedral shaft top end is also connected with the transmission disc, the connecting rod is jointly rotatably connected to the two transmission discs, the drill bit is rotatably connected with the triangular sliding sleeve, the third reset spring is connected between the first rectangular slotted frame and the triangular sliding sleeve, and the supporting bottom plate is jointly connected between the first rectangular slotted frame and the second rectangular slotted frame.
In one embodiment, the plugging mechanism comprises a wedge-shaped plugging plate, a fourth reset spring, a Z-shaped wedge frame, a fifth reset spring, a slotting wedge frame, a sixth reset spring, a rotating shaft, a swinging wedge block, a second torsion spring, a rectangular slotting frame II, a triangular wedge frame, a seventh reset spring, a limiting wedge block and an eighth reset spring, wherein the wedge-shaped plugging plate is connected to the second pedestal frame in a sliding manner, the fourth reset spring is connected between the wedge-shaped plugging plate and the second pedestal frame, the Z-shaped wedge frame is connected with the second pedestal frame in a sliding manner, the fifth reset spring is connected between the Z-shaped wedge frame and the second pedestal frame, the sixth reset spring is connected between the second pedestal frame in a sliding manner, the rotating shaft is connected to the swinging wedge block, the second torsion spring is symmetrically connected between the swinging wedge block and the slotting wedge frame, the second rectangular slotting frame is connected to the second pedestal frame in a sliding manner, the rectangular slotting frame II is connected with the sliding manner, the rectangular slotting wedge frame is connected with the triangular wedge frame between the second pedestal frame and the third wedge frame in a sliding manner, and the triangular wedge frame is connected with the limiting wedge frame between the third wedge frame and the fourth reset spring.
In one embodiment, the rotating mechanism comprises an overrun clutch, a second gear, a third rectangular slotted frame, a second rack and a ninth reset spring, the overrun clutch is rotationally connected to the slotted connecting plate and is rotationally connected with the motor supporting block, the overrun clutch is fixedly connected with the supporting bottom plate, the second gear is connected to the overrun clutch, the third rectangular slotted frame is connected to the top of the slotted connecting plate, the second rack is slidably connected to the third rectangular slotted frame, the second rack is meshed with the second gear, the ninth reset spring is connected between the second rack and the third rectangular slotted frame, the second rack is in contact with the wedge-shaped plugging plate, and the second rack is in contact with the triangular wedge-shaped frame.
In one embodiment, the pressing sealing mechanism comprises a rectangular slotting frame IV, a special-shaped slotting frame, a special-shaped pressing rod, a special-shaped slotting rotating shaft seat, a tenth reset spring, an eleventh reset spring, a countersunk head shaft, a third gear, a third rack, a twelfth reset spring, a rotating disc, an extension rod, a slotting disk and a rubber sealing ring, wherein the rectangular slotting frame IV is symmetrically connected to the top of a supporting bottom plate, the special-shaped slotting frame IV is fixedly connected to the top of the rectangular slotting frame, the special-shaped slotting frame IV is fixedly connected with the rectangular slotting frame IV, the two rectangular slotting frames IV are connected with the special-shaped pressing rod in a sliding mode, the special-shaped slotting rotating shaft seat is connected with the special-shaped pressing rod in a sliding mode, the tenth reset spring is connected between the rectangular slotting frame IV and the special-shaped pressing rod, the special-shaped slotting rotating shaft seat is connected with the eleventh reset spring, the countersunk head shaft is rotatably connected with the countersunk head shaft, the special-shaped pressing rod bottom end is connected with the third gear, the third gear is meshed with the special-shaped slotting frame IV, the special-shaped pressing rod is symmetrically connected with the rotating disc, the extension rod is connected with the rotating disc in a sliding mode, and the extension rod is in a sliding mode is connected with the extension groove on the rotating disc.
The beneficial effects are that:
through wedge shutoff board, the wedge shutoff board can temporarily block up the opening at three-way pipe top, can prevent the liquid blowout in the well, is convenient for follow-up for the oil wellhead change valve, has reached the effect that can assist other equipment to change the valve for the oil wellhead.
Through rubber seal, rubber seal blocks up the oil wellhead to make the staff can change the valve for the oil wellhead at the oil pumping in-process, for follow-up change valve is convenient, reached can be effectively for the staff change the valve for the oil wellhead and provide convenient effect.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic view of a partial perspective structure of the present invention.
Fig. 4 is a schematic perspective view of a first part of the opening and closing mechanism of the present invention.
Fig. 5 is a schematic perspective view of a second part of the opening and closing mechanism of the present invention.
Fig. 6 is an enlarged perspective view of the present invention a.
Fig. 7 is a partially disassembled perspective view of the opening and closing mechanism of the present invention.
Fig. 8 is a schematic perspective view of a drilling mechanism according to the present invention.
Fig. 9 is a schematic drawing showing a split three-dimensional structure of the plugging mechanism of the present invention.
Fig. 10 is a schematic perspective view of a rotary mechanism according to the present invention.
Fig. 11 is a schematic view of a partial perspective structure of the pressing seal mechanism of the present invention.
Fig. 12 is a partially disassembled perspective view of the pressing seal mechanism of the present invention.
Marked in the figure as: 1-base frame I, 2-base frame II, 3-slotted connecting plate, 4-opening and closing mechanism, 41-motor supporting block, 42-bi-directional motor, 43-special-shaped sliding rod, 44-first gear, 45-rack I, 46-sliding tooth, 47-first reset spring, 48-slotted clamping ring, 49-arc slotted sliding block, 410-limiting plate, 411-second reset spring, 412-first torsion spring, 413-three-way pipe, 5-drilling mechanism, 51-reciprocating screw rod, 52-guide frame, 53-special-shaped sliding nut, 54-transmission disc, 55-connecting rod, 56-supporting rod, 57-octahedral shaft, 58-rectangular slotted frame I, 59-triangular sliding sleeve, 510-drill bit, 511-third reset spring, 512-supporting bottom plate, 6-blocking mechanism, 61-wedge blocking plate, 62-fourth return spring, 63-Z-shaped wedge rack, 64-fifth return spring, 65-slotted wedge rack, 66-sixth return spring, 67-rotating shaft, 68-swinging wedge block, 69-second torsion spring, 610-rectangular slotted rack II, 611-triangular wedge rack, 612-seventh return spring, 613-limiting wedge block, 614-eighth return spring, 7-rotating mechanism, 71-overrunning clutch, 72-second gear, 73-rectangular slotted rack III, 74-rack II, 75-ninth return spring, 8-down-pressing sealing mechanism, 81-rectangular slotted rack IV, 82-abnormal-shaped slotted rack, 83-special-shaped pressing rods, 84-special-shaped slotted rotating shaft seats, 85-tenth return springs, 86-eleventh return springs, 87-countersunk head shafts, 88-third gears, 89-third racks, 810-twelfth return springs, 811-rotating discs, 812-extension rods, 813-slotted discs and 814-rubber sealing rings.
Detailed Description
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the device for replacing the wellhead valve of the oil field assisted by petroleum exploitation is shown in the figures 1-12, and comprises a first base frame 1, a second base frame 2, a slotted connecting plate 3, an opening and closing mechanism 4, a drilling mechanism 5, a plugging mechanism 6, a rotating mechanism 7 and a pressing sealing mechanism 8, wherein the first base frame 1 is arranged on other supporting devices, the second base frame 2 is arranged on other supporting devices, the slotted connecting plate 3 is jointly connected between the first base frame 1 and the second base frame 2, the opening and closing mechanism 4 is arranged on the slotted connecting plate 3, the drilling mechanism 5 is arranged on the opening and closing mechanism 4, the plugging mechanism 6 is arranged on the second base frame 2, the plugging mechanism 6 is used for plugging an opening at the top of a three-way pipe 413, the rotating mechanism 7 is arranged on the slotted connecting plate 3, the pressing sealing mechanism 8 is arranged on the drilling mechanism 5, and the pressing sealing mechanism 8 is used for plugging a petroleum wellhead.
The opening and closing mechanism 4 comprises a motor supporting block 41, a bidirectional motor 42, a special-shaped sliding rod 43, a first gear 44, a first rack 45, sliding teeth 46, a first reset spring 47, a slotted clamping ring 48, an arc slotted sliding block 49, a limiting plate 410, a second reset spring 411, a first torsion spring 412 and a three-way pipe 413, wherein the motor supporting block 41 is connected to the slotted connecting plate 3, the bidirectional motor 42 is arranged on the motor supporting block 41, the bidirectional motor 42 is used for driving the first gear 44 and an upper device thereof to rotate, the slotted connecting plate 3 is connected with the two special-shaped sliding rods 43 in a sliding manner, the two special-shaped sliding rods 43 are arranged in a staggered manner, an output shaft of the bidirectional motor 42 is connected with the first gear 44, the first gear 44 is used for driving the first rack 45 and an upper device thereof to move, the first rack 45 is connected to the special-shaped sliding rod 43, the first rack 45 is meshed with the first gear 44, the sliding teeth 46 are connected to the first rack 45 in a sliding manner, the first reset spring 47 is symmetrically connected between the slotted clamping ring 48 and the sliding plate 46, the slotted clamping ring 48 is connected to the special-shaped sliding rod 43, the slotted clamping ring 48 is connected to the first clamp ring 49 is connected to the arc sliding plate 49, the first torsion spring is used for driving the third clamp 411 between the slotted limiting plate 410 and the arc sliding plate 410 to rotate, and the first reset spring 49 is connected to the arc sliding plate 410 is used for driving the arc limiting the slotted limiting plate 49 to rotate, and the first reset spring 49 is connected to the slotted limiting plate 410.
The drilling mechanism 5 comprises a reciprocating screw rod 51, a guide frame 52, a special-shaped sliding nut 53, a transmission disc 54, a connecting rod 55, a supporting rod 56, an octahedral shaft 57, a first rectangular slotted frame 58, a triangular sliding sleeve 59, a drill bit 510, a third reset spring 511 and a supporting bottom plate 512, wherein the reciprocating screw rod 51 is connected to an output shaft of the upper part of the bidirectional motor 42, the guide frame 52 is rotatably connected to the motor supporting block 41, the guide frame 52 is rotatably connected to the reciprocating screw rod 51, the reciprocating screw rod 51 is provided with the special-shaped sliding nut 53 through threaded fit, the special-shaped sliding nut 53 can reciprocate up and down through the fit of the reciprocating screw rod 51 and the special-shaped sliding nut 53, the special-shaped sliding nut 53 is in sliding fit with the guide frame 52, the transmission disc 54 is connected to the top end of the reciprocating screw rod 51, one transmission disc 54 drives the other transmission disc 54 through the connecting rod 55 and the upper device thereof, the supporting rod 56 is rotatably connected to the supporting rod 56, the transmission disc 54 is also connected to the top end of the octahedral shaft 57, the connecting rod 55 is rotatably connected to the two transmission discs 54, the drill bit 510 is sleeved to the octahedral shaft 57, the drill bit 510 is used for rotatably connecting the drilling head 510 to the wellhead petroleum, the rectangular slotted frame 59 is rotatably connected to the triangular slotted frame 59, the triangular slotted frame is connected to the third rectangular slotted frame 59, and the triangular slotted frame is connected to the third slotted frame 59 is rotatably connected to the triangular slotted frame 59.
The plugging mechanism 6 comprises a wedge-shaped plugging plate 61, a fourth reset spring 62, a Z-shaped wedge frame 63, a fifth reset spring 64, a slotted wedge frame 65, a sixth reset spring 66, a rotating shaft 67, a swinging wedge block 68, a second torsion spring 69, a rectangular slotted frame II 610, a triangular wedge frame 611, a seventh reset spring 612, a limiting wedge block 613 and an eighth reset spring 614, wherein the wedge-shaped plugging plate 61 is connected on the base frame II 2 in a sliding manner, the wedge-shaped plugging plate 61 is used for plugging an opening at the top of the three-way pipe 413, the fourth reset spring 62 is connected between the wedge-shaped plugging plate 61 and the base frame II 2, the fourth reset spring 62 is used for driving the wedge-shaped plugging plate 61 to reset, the Z-shaped wedge frame 63 is connected on the base frame II 2 in a sliding manner, the Z-shaped wedge frame 63 is used for pushing the wedge-shaped plugging plate 61 to move towards a direction close to the bidirectional motor 42, a fifth return spring 64 is connected between the Z-shaped wedge frame 63 and the second base frame 2, the fifth return spring 64 is used for driving the Z-shaped wedge frame 63 to return, the second base frame 2 is connected with a slotted wedge frame 65 in a sliding manner, the slotted wedge frame 65 is contacted with the Z-shaped wedge frame 63, a sixth return spring 66 is connected between the slotted wedge frame 65 and the second base frame 2, the sixth return spring 66 is used for driving the slotted wedge frame 65 to return, the slotted wedge frame 65 is connected with a rotating shaft 67 in a rotating manner, the rotating shaft 67 is connected with a swinging wedge block 68, the swinging wedge block 68 is used for extruding the Z-shaped wedge frame 63 to move downwards, the swinging wedge block 68 is contacted with the slotted wedge frame 65, a second torsion spring 69 is symmetrically connected between the swinging wedge block 68 and the slotted wedge frame 65, the second torsion spring 69 is used for driving the swinging wedge block 68 to return, the second base frame 2 is connected with a rectangular slotted frame two 610, the rectangular slotting frame II 610 is connected with a triangular wedge-shaped frame 611 in a sliding mode, a seventh reset spring 612 is connected between the triangular wedge-shaped frame 611 and the rectangular slotting frame II 610, the seventh reset spring 612 is used for driving the triangular wedge-shaped frame 611 to reset, the triangular wedge-shaped frame 611 is connected with a limiting wedge-shaped block 613 in a sliding mode, an eighth reset spring 614 is connected between the limiting wedge-shaped block 613 and the triangular wedge-shaped frame 611, and the eighth reset spring 614 is used for driving the limiting wedge-shaped block 613 to reset.
The rotating mechanism 7 comprises an overrunning clutch 71, a second gear 72, a third rectangular slotted frame 73, a second rack 74 and a ninth reset spring 75, wherein the overrunning clutch 71 is rotatably connected to the slotted connecting plate 3, the overrunning clutch 71 is rotatably connected with the motor supporting block 41, the overrunning clutch 71 is fixedly connected with the supporting bottom plate 512, the second gear 72 is connected to the overrunning clutch 71, the third rectangular slotted frame 73 is connected to the top of the slotted connecting plate 3, the second rack 74 is used for driving the second gear 72 and the device thereon to rotate 180 degrees, the second rack 74 is meshed with the second gear 72, the ninth reset spring 75 is connected between the second rack 74 and the third rectangular slotted frame 73, the ninth reset spring 75 is used for driving the second rack 74 to reset, the second rack 74 is in contact with the wedge-shaped sealing plate 61, and the second rack 74 is in contact with the triangular wedge-shaped frame 611.
The pressing sealing mechanism 8 comprises a rectangular slotting frame IV 81, a special-shaped slotting frame 82, a special-shaped pressing rod 83, a special-shaped slotting rotating shaft seat 84, a tenth reset spring 85, an eleventh reset spring 86, a countersunk head shaft 87, a third gear 88, a third rack 89, a twelfth reset spring 810, a rotating disk 811, an extension rod 812, a slotting disk 813 and a rubber sealing ring 814, wherein the top of a supporting bottom plate 512 is symmetrically connected with the rectangular slotting frame IV 81, the top of the rectangular slotting frame IV 81 is fixedly connected with the special-shaped slotting frame 82, the special-shaped slotting frame 82 is fixedly connected with the rectangular slotting frame IV 81, the two rectangular slotting frames IV 81 are connected with the special-shaped pressing rod 83 in a sliding manner, the special-shaped slotting rotating shaft seat 84 is connected on the special-shaped slotting frame 82, the special-shaped slotting rotating shaft seat 84 is used for pushing a triangular wedge-shaped frame 611 and an upper device thereof to move towards a direction far away from the base frame II 2, the special-shaped slotting rotating shaft seat 84 is connected with the special-shaped lower pressure rod 83 in a sliding way, a tenth reset spring 85 is connected between the rectangular slotting frame IV 81 and the special-shaped lower pressure rod 83, the tenth reset spring 85 is used for driving the special-shaped lower pressure rod 83 and an upper device thereof to reset, an eleventh reset spring 86 is connected between the special-shaped slotting rotating shaft seat 84 and the special-shaped slotting frame 82, the eleventh reset spring 86 is used for driving the special-shaped slotting rotating shaft seat 84 to reset, a countersunk shaft 87 is rotationally connected on the special-shaped slotting rotating shaft seat 84, a third gear 88 is connected on the countersunk shaft 87, a rack III 89 is connected at the bottom end of the special-shaped lower pressure rod 83, the rack III 89 is used for driving the third gear 88 and an upper device thereof to rotate, the rack III 89 is meshed with the third gear 88, a twelfth reset spring 810 is connected between the special-shaped lower pressure rod 83 and the special-shaped slotting rotating shaft seat 84 and the twelfth reset spring 810 is used for driving the special-shaped lower pressure rod 83 and the upper device thereof to reset upwards, the countersunk head shaft 87 is symmetrically connected with a rotating disc 811, arc-shaped sliding grooves are distributed on the rotating disc 811, extension rods 812 are distributed on the rotating disc 811 in a sliding mode, the extension rods 812 are in contact with the countersunk head shaft 87, a pair of slotting discs 813 are rotatably connected on the countersunk head shaft 87, the slotting discs 813 are in sliding fit with the extension rods 812, a rubber sealing ring 814 is connected to the special-shaped slotting rotating shaft seat 84 and used for plugging an oil wellhead, the rubber sealing ring 814 is sleeved with the slotting discs 813, and the rubber sealing ring 814 is in contact with the extension rods 812.
The equipment is placed beside a wellhead of a valve to be replaced, so that a petroleum wellhead of the valve to be replaced is positioned between three-way pipes 413, a manual control bidirectional motor 42 reverses, the bidirectional motor 42 drives a first gear 44 and an upper device thereof to reverse through an output shaft positioned below, the first gear 44 drives a rack 45 and the upper device thereof to move towards a direction close to each other, arc-shaped slotted sliding blocks 49 on the same side are mutually extruded, a second reset spring 411 is compressed, meanwhile, the three-way pipes 413 can extrude a limiting plate 410 to rotate, and a first torsion spring 412 is compressed accordingly, so that the two three-way pipes 413 are tightly attached.
When the bidirectional motor 42 is started, the output shaft above the bidirectional motor 42 drives the reciprocating screw rod 51 and the upper device thereof to rotate, the special-shaped sliding nut 53 reciprocates up and down through the cooperation of the reciprocating screw rod 51 and the special-shaped sliding nut 53, the special-shaped sliding nut 53 pushes the triangular sliding sleeve 59 and the upper device thereof to move down in the downward movement process of the special-shaped sliding nut 53, the third return spring 511 is compressed along with the triangular sliding sleeve 59, and meanwhile, one transmission disc 54 drives the other transmission disc 54 and the upper device thereof to rotate through the connecting rod 55, so that the drill bit 510 punches a petroleum wellhead, and when the special-shaped sliding nut 53 moves up, the triangular sliding sleeve 59 and the upper device thereof are reset under the reset action of the third return spring 511.
During the downward movement of the triangular sliding sleeve 59 and the upper device thereof, the triangular sliding sleeve 59 pushes the swinging wedge block 68 to rotate, the second torsion spring 69 is compressed along with the swinging wedge block 68, then the triangular sliding sleeve 59 moves to the lower part of the swinging wedge block 68, the swinging wedge block 68 is reset under the reset action of the second torsion spring 69, during the return of the triangular sliding sleeve 59 and the upper device thereof, the triangular sliding sleeve 59 pushes the swinging wedge block 68 to move in the direction away from the guide frame 52, the sixth reset spring 66 is compressed along with the swinging wedge block 68, the Z-shaped wedge frame 63 is extruded to move downwards, the fifth reset spring 64 is compressed along with the swinging wedge block 63, the Z-shaped wedge block 63 pushes the wedge-shaped sealing plate 61 to move towards the direction close to the bi-directional motor 42, the fourth reset spring 62 is compressed along with the swinging wedge block 61, the opening at the top of the three-way pipe 413 is blocked, thereby liquid in the petroleum wellhead is prevented from being sprayed out, during the return of the process, the eighth reset spring 614 pushes the limit wedge block 613 to move downwards, then the other side of the swinging wedge block 613 is compressed along with the return of the sliding sleeve, the reset plate 61 and the reset wedge block 613 is contacted with the reset wedge block 613 under the reset wedge block 61, and the reset wedge block 613 is reset by the reset wedge block 613, the reset wedge block 61 is pushed by the reset wedge block 613 and the reset by the reset wedge block 613 is prevented from contacting the reset wedge block 61 and the reset device is contacted with the reset wedge block 61 and the reset block 61 is contacted with the reset wedge block 613.
During the movement of the wedge-shaped plugging plate 61 in the direction approaching to the bi-directional motor 42, the wedge-shaped plugging plate 61 pushes the second rack 74 to move, the ninth reset spring 75 is compressed, the second rack 74 drives the second gear 72 and the upper device thereof to rotate reversely by 180 degrees, then the special-shaped sliding nut 53 moves downwards, the special-shaped sliding nut 53 pushes the special-shaped pressing rod 83 and the upper device thereof to move downwards because the elastic force of the twelfth reset spring 810 is larger than that of the tenth reset spring 85 and the eleventh reset spring 86, the tenth reset spring 85 and the eleventh reset spring 86 are compressed along with the special-shaped pressing rod, the special-shaped slotted rotating shaft seat 84 pushes the triangular wedge-shaped frame 611 and the upper device thereof to move away from the second base frame 2 during the process, the seventh reset spring 612 is compressed along with the seventh reset spring 612, the limit wedge 613 no longer limits the wedge-shaped plugging plate 61, the wedge-shaped plugging plate 61 is reset under the reset action of the fourth reset spring 62, then the triangular wedge 611 and the upper device thereof are reset under the reset action of the seventh reset spring 612, then the special-shaped slotted rotating shaft seat 84 is blocked by the special-shaped slotted frame 82, the special-shaped slotted rotating shaft seat 84 stops moving downwards, the special-shaped pressing rod 83 continues moving downwards, the twelfth reset spring 810 is compressed, the tenth reset spring 85 continues to be compressed, the rack three 89 drives the third gear 88 and the upper device thereof to rotate forwards, and the extension rod 812 can prop the rubber sealing ring 814 under the action of the rotating disc 811, so that the rubber sealing ring 814 plugs up the petroleum wellhead, and the valve is convenient to replace for the petroleum wellhead subsequently.
The bi-directional motor 42 is then manually controlled to stop operating and the valve is replaced for the petroleum wellhead using other equipment.
When the wedge-shaped plugging plate 61 is reset, the second rack 74 is reset under the reset action of the ninth reset spring 75, the second rack 74 drives the second gear 72 to rotate clockwise, and the supporting base plate 512 and devices thereon are not rotated under the action of the overrunning clutch 71.
Then the bi-directional motor 42 is manually controlled to start, the twelfth reset spring 810 drives the special-shaped lower pressure rod 83 and the upper device thereof to reset upwards, the extension rod 812 can reset under the action of the rotary disc 811, the tenth reset spring 85 drives the special-shaped lower pressure rod 83 and the upper device thereof to reset to the initial position, the special-shaped slotted rotary shaft seat 84 can reset under the reset action of the eleventh reset spring 86, then a worker can weld the three-way pipe 413 on the petroleum wellhead by using a welding tool, and then the worker seals the opening at the top of the three-way pipe 413.
Then, the bidirectional motor 42 is manually controlled to rotate forward, the bidirectional motor 42 drives the first gear 44 and the upper device thereof to rotate forward through the output shaft positioned below, the first gear 44 drives the first rack 45 and the upper device thereof to move and reset in the direction away from each other, the arc-shaped slotted sliding block 49 resets under the reset action of the second reset spring 411, the limiting plate 410 resets under the reset action of the first torsion spring 412, finally, the bidirectional motor 42 is manually controlled to stop operating, the equipment is manually evacuated, the supporting bottom plate 512 and the upper device thereof are manually adjusted to an initial state during the next use, and the valve can be secondarily assisted to replace the petroleum wellhead by repeating the operations.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. An equipment that is used for oil development to assist oil field well head valve to change, its characterized in that: the sealing device comprises a first base frame (1), a second base frame (2), a slotted connecting plate (3), an opening and closing mechanism (4), a drilling mechanism (5), a plugging mechanism (6), a rotating mechanism (7) and a pressing sealing mechanism (8), wherein the first base frame (1) is arranged on other supporting equipment, the second base frame (2) is arranged on other supporting equipment, the slotted connecting plate (3) is jointly connected between the first base frame (1) and the second base frame (2), the opening and closing mechanism (4) is arranged on the slotted connecting plate (3), the drilling mechanism (5) is arranged on the opening and closing mechanism (4), the plugging mechanism (6) is arranged on the second base frame (2), the rotating mechanism (7) is arranged on the slotted connecting plate (3), and the pressing sealing mechanism (8) is arranged on the drilling mechanism (5);
the opening and closing mechanism (4) comprises a motor supporting block (41), a bidirectional motor (42), a special-shaped sliding rod (43), a first gear (44), a first rack (45), sliding teeth (46), a first reset spring (47), a slotted clamping ring (48), an arc-shaped slotted sliding block (49), a limiting plate (410), a second reset spring (411), a first torsion spring (412) and a three-way pipe (413), wherein the motor supporting block (41) is connected to the slotted connecting plate (3), the bidirectional motor (42) is arranged on the motor supporting block (41), two special-shaped sliding rods (43) are connected to the slotted connecting plate (3) in a sliding manner, the first gear (44) is connected to an output shaft below the bidirectional motor (42), the first rack (45) is connected to the special-shaped sliding rod (43), the first rack (45) is meshed with the first gear (44), the sliding teeth (46) are connected to the first rack (45) in a sliding manner, the first reset spring (47) is symmetrically connected between the first rack (45) and the sliding teeth (46), the slotted clamping ring (48) is connected to the first arc-shaped sliding block (48) in a sliding manner, the limiting plate (410) is rotationally connected to the arc-shaped slotting sliding block (49), a second reset spring (411) is connected between the arc-shaped slotting sliding block (49) and the slotting clamping ring (48), a first torsion spring (412) is symmetrically connected between the limiting plate (410) and the arc-shaped slotting sliding block (49), and a three-way pipe (413) is clamped between the slotting clamping ring (48) and the limiting plate (410);
the drilling mechanism (5) comprises a reciprocating screw rod (51), a guide frame (52), a special-shaped sliding nut (53), a transmission disc (54), a connecting rod (55), a supporting rod (56), an octahedral shaft (57), a rectangular slotted frame I (58), a triangular sliding sleeve (59), a drill bit (510), a third reset spring (511) and a supporting bottom plate (512), wherein the reciprocating screw rod (51) is connected to an output shaft of a bidirectional motor (42) above, the guide frame (52) is rotatably connected to a motor supporting block (41), the guide frame (52) is rotatably connected with the reciprocating screw rod (51), the special-shaped sliding nut (53) is slidably matched with the guide frame (52) on the reciprocating screw rod (51), the transmission disc (54) is connected to the top end of the reciprocating screw rod (51), the supporting rod (56) is rotatably connected with the octahedral shaft (57), the transmission disc (54) is also connected to the top end of the octahedral shaft (57), the connecting rod (55) is rotatably connected to the two transmission discs (54) in a joint mode, the drill bit (510) is rotatably connected to the triangular sliding sleeve (59), a first rectangular slotted frame (58) is symmetrically and slidably connected to the triangular sliding sleeve (59), a third return spring (511) is connected between the first rectangular slotted frame (58) and the triangular sliding sleeve (59), and a supporting bottom plate (512) is commonly connected between the first two rectangular slotted frames (58); the plugging mechanism (6) comprises a wedge-shaped plugging plate (61), a fourth reset spring (62), a Z-shaped wedge frame (63), a fifth reset spring (64), a slotted wedge frame (65), a sixth reset spring (66), a rotating shaft (67), a swinging wedge block (68), a second torsion spring (69), a rectangular slotted frame II (610), a triangular wedge frame (611), a seventh reset spring (612), a limiting wedge block (613) and a eighth reset spring (614), wherein the wedge-shaped plugging plate (61) is connected with the base frame II (2) in a sliding manner, the fourth reset spring (62) is connected between the wedge-shaped plugging plate (61) and the base frame II (2), the Z-shaped wedge frame (63) is connected with the base frame II (2) in a sliding manner, the fifth reset spring (64) is connected between the Z-shaped wedge frame (63) and the base frame II (2), the slotted wedge frame (65) is contacted with the Z-shaped wedge frame (63), the slotted frame II (65) is connected with the sixth reset spring (67) and the rotating shaft (67) is connected with the rotating shaft (67), the swinging wedge block (68) is in contact with the slotting wedge frame (65), a second torsion spring (69) is symmetrically connected between the swinging wedge block (68) and the slotting wedge frame (65), a rectangular slotting frame II (610) is connected to the base frame II (2), a triangular wedge frame (611) is connected to the rectangular slotting frame II (610) in a sliding mode, a seventh reset spring (612) is connected between the triangular wedge frame (611) and the rectangular slotting frame II (610), a limit wedge block (613) is connected to the triangular wedge frame (611) in a sliding mode, and an eighth reset spring (614) is connected between the limit wedge block (613) and the triangular wedge frame (611);
the rotating mechanism (7) comprises an overrunning clutch (71), a second gear (72), a rectangular slotting frame III (73), a rack II (74) and a ninth reset spring (75), wherein the overrunning clutch (71) is rotationally connected to the slotting connecting plate (3), the overrunning clutch (71) is rotationally connected with the motor supporting block (41), the overrunning clutch (71) is fixedly connected with the supporting bottom plate (512), the overrunning clutch (71) is connected with the second gear (72), the top of the slotting connecting plate (3) is connected with the rectangular slotting frame III (73), the rectangular slotting frame III (73) is connected with a rack II (74) in a sliding manner, the rack II (74) is meshed with the second gear (72), the ninth reset spring (75) is connected between the rack II (74) and the rectangular slotting frame III (73), the rack II (74) is in contact with the wedge-shaped blocking plate (61), and the rack II (74) is in contact with the triangular wedge-shaped frame (611);
the pressing sealing mechanism (8) comprises a rectangular slotting frame IV (81), a special-shaped slotting frame (82), a special-shaped pressing rod (83), a special-shaped slotting rotating shaft seat (84), a tenth reset spring (85), an eleventh reset spring (86), a countersunk head shaft (87), a third gear (88), a third rack (89), a twelfth reset spring (810), a rotating disc (811), an extension rod (812), a slotting disk (813) and a rubber sealing ring (814), the top of the supporting bottom plate (512) is symmetrically connected with the rectangular slotting frame IV (81), the top of the rectangular slotting frame IV (81) is fixedly connected with the special-shaped slotting frame (82), the special-shaped slotting frame (82) is fixedly connected with the rectangular slotting frame IV (81), the joint sliding connection between the two rectangular slotting frames IV (81) is provided with the special-shaped pressing rod (83), the special-shaped slotting rotating shaft seat (84) is connected with the special-shaped slotting rotating shaft seat (83) in a sliding manner, the tenth reset spring (85) is connected between the rectangular slotting frame IV (81) and the special-shaped slotting frame IV (83), the special-shaped slotting rotating shaft seat (84) is connected with the special-shaped slotting rotating shaft seat (87), the novel special-shaped countersunk head comprises a countersunk head shaft (87), a third gear (88) is connected to the countersunk head shaft (87), a third rack (89) is connected to the bottom end of the special-shaped countersunk head shaft (83), the third rack (89) is meshed with the third gear (88), a twelfth reset spring (810) is connected between the special-shaped countersunk head shaft (83) and the special-shaped countersunk head shaft seat (84), a rotating disc (811) is symmetrically connected to the countersunk head shaft (87), arc-shaped sliding grooves are distributed on the rotating disc (811), an extension rod (812) is connected to the rotating disc (811) in a sliding mode, the extension rod (812) is in contact with the countersunk head shaft (87), a pair of slotting discs (813) are connected to the countersunk head shaft seat (84) in a sliding mode, a rubber sealing ring (814) is connected to the countersunk head shaft seat (84), and the rubber sealing ring (814) is sleeved with the slotting discs (813) in a contact mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892984.9A CN113404462B (en) | 2021-08-04 | 2021-08-04 | Equipment for replacing wellhead valve of oil field assisted by petroleum exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892984.9A CN113404462B (en) | 2021-08-04 | 2021-08-04 | Equipment for replacing wellhead valve of oil field assisted by petroleum exploitation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113404462A CN113404462A (en) | 2021-09-17 |
| CN113404462B true CN113404462B (en) | 2023-12-26 |
Family
ID=77688412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110892984.9A Active CN113404462B (en) | 2021-08-04 | 2021-08-04 | Equipment for replacing wellhead valve of oil field assisted by petroleum exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113404462B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460039A (en) * | 1982-11-04 | 1984-07-17 | W-K-M Wellhead Systems, Inc. | Wellhead valve removal and installation tool |
| CN201083309Y (en) * | 2007-10-17 | 2008-07-09 | 邯郸钢铁股份有限公司 | Plugging device for exchanging valve |
| CN108890576A (en) * | 2018-07-30 | 2018-11-27 | 江苏金石机械集团有限公司 | A kind of method of replacement high pressure valve with pressure |
| CN112696168A (en) * | 2021-01-16 | 2021-04-23 | 江苏庆海石油机械有限公司 | Integral horizontal oil production wellhead assembly |
| CN113153217A (en) * | 2021-05-24 | 2021-07-23 | 重庆新泰机械有限责任公司 | Remote control-based oil testing and oil and gas production wellhead device |
| CN113146523A (en) * | 2021-05-24 | 2021-07-23 | 重庆新泰机械有限责任公司 | Multifunctional oil testing and oil gas production wellhead device |
-
2021
- 2021-08-04 CN CN202110892984.9A patent/CN113404462B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460039A (en) * | 1982-11-04 | 1984-07-17 | W-K-M Wellhead Systems, Inc. | Wellhead valve removal and installation tool |
| CN201083309Y (en) * | 2007-10-17 | 2008-07-09 | 邯郸钢铁股份有限公司 | Plugging device for exchanging valve |
| CN108890576A (en) * | 2018-07-30 | 2018-11-27 | 江苏金石机械集团有限公司 | A kind of method of replacement high pressure valve with pressure |
| CN112696168A (en) * | 2021-01-16 | 2021-04-23 | 江苏庆海石油机械有限公司 | Integral horizontal oil production wellhead assembly |
| CN113153217A (en) * | 2021-05-24 | 2021-07-23 | 重庆新泰机械有限责任公司 | Remote control-based oil testing and oil and gas production wellhead device |
| CN113146523A (en) * | 2021-05-24 | 2021-07-23 | 重庆新泰机械有限责任公司 | Multifunctional oil testing and oil gas production wellhead device |
Non-Patent Citations (2)
| Title |
|---|
| 杨青松 ; 张耀刚 ; 吕江 ; 刘露 ; .阀门后盖带压钻孔更换主控阀门技术及其现场试验.天然气工业.2015,第35卷(第12期),第71-75页. * |
| 阀门后盖带压钻孔更换主控阀门技术及其现场试验;杨青松;张耀刚;吕江;刘露;;天然气工业(第12期) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113404462A (en) | 2021-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11466805B2 (en) | Intelligent plugging robot and method for long-distance pipeline rerouting, maintaining and repairing construction | |
| CN113187428B (en) | Oil field wellhead blowout preventer | |
| CN113404462B (en) | Equipment for replacing wellhead valve of oil field assisted by petroleum exploitation | |
| CN211342877U (en) | Pumping unit well pump down-hole blowout-preventing reversing valve | |
| CN104563922B (en) | A kind of drill pipe tong that need not change jaw | |
| CN201087724Y (en) | Multifunctional packer | |
| CN113464083B (en) | Blowout prevention device for oil field oil exploitation | |
| CN105089289A (en) | Low-pressure perfusion device of steel bar corrosion inhibitor | |
| CN215520816U (en) | Mechanical rotation seat sealing type leather cup packer | |
| CN108799051A (en) | A kind of high efficient, high pressure servo fluid pump and its application method | |
| CN209244553U (en) | A kind of hydraulic casing pipeline scraper | |
| CN105445011B (en) | A kind of packer test device | |
| CN212359726U (en) | Semi-submersible type platform gravel packing device | |
| CN208900305U (en) | A kind of high efficient, high pressure servo fluid pump | |
| CN204609834U (en) | A kind of ceramics plate type leak-resistance valve | |
| CN113236163A (en) | Mechanical rotation seat sealing type leather cup packer | |
| CN205228801U (en) | Packer test device | |
| CN117703303B (en) | Screw expansion type casing external packer | |
| CN109538162A (en) | A kind of tubing drain | |
| CN204983726U (en) | Reinforcing bar hinders low pressure irrigator of rust agent | |
| CN113027365A (en) | Drilling and grinding multi-time opening and closing circulating valve | |
| CN216240439U (en) | Casing drilling torque-bearing protector suitable for oil-gas field development | |
| CN215907806U (en) | Be used for gas field development borehole operation preventer | |
| CN217760923U (en) | Oil pipe head convenient to adjust | |
| CN103321601B (en) | A kind of method and its device of Operating Pressure well transformation sealed medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231128 Address after: 322007 301, Unit 1, Building 93, Jianshe Second Village, Beiyuan Street, Yiwu City, Jinhua City, Zhejiang Province Applicant after: Yiwu Aofei Creative Design Co.,Ltd. Address before: Room 702, Unit 2, 6th Floor, Building 1, No. 21 Linhe North Street, Shunyi District, Beijing, 100000 Applicant before: Liang Yaohui |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |