CN114413014A - Sand control structure superhigh pressure fracturing valve - Google Patents
Sand control structure superhigh pressure fracturing valve Download PDFInfo
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- CN114413014A CN114413014A CN202210125295.XA CN202210125295A CN114413014A CN 114413014 A CN114413014 A CN 114413014A CN 202210125295 A CN202210125295 A CN 202210125295A CN 114413014 A CN114413014 A CN 114413014A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
- F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
- F16K3/085—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres the axis of supply passage and the axis of discharge passage being coaxial and parallel to the axis of rotation of the plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0207—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0242—Spindles and actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an ultrahigh-pressure fracturing valve with a sand prevention structure, and relates to the technical field of fracturing construction equipment. Go up the support housing and rotate with lead screw one end and be connected, the lead screw other end and carousel fixed connection, the both sides vertical rod of support frame respectively with I shape slide both sides sliding connection, establish slide motion adjustment mechanism on the both sides vertical rod of support frame, I shape slide one side bottom and first connecting plate one end fixed connection, the first connecting plate other end and first fixed block swing joint, establish the rack on the first connecting plate, establish the inner tube in the under bracing casing, the ring gear is established to the inner tube outer circumference, the entry end of inner tube and the exit end of feed liquor pipe communicate each other, inner tube and connecting cylinder communicate each other, the feed liquor pipe, the inner tube, be provided with the main shaft in the connecting cylinder, pressure release mechanism is established to the main shaft. According to the invention, the descending speed of the I-shaped sliding plate can be hindered by the sliding plate movement adjusting mechanism, and the pressure relief mechanism relieves the pressure of the fracturing fluid entering under high pressure, so that the abrasion and damage of the high-pressure fracturing fluid to internal parts of the valve are avoided.
Description
Technical Field
The invention belongs to the technical field of fracturing construction equipment, and particularly relates to an ultrahigh-pressure fracturing valve with a sand prevention structure.
Background
The fracturing construction equipment consists of ground equipment and a fracturing truck group, wherein a fracturing manifold is a ground tool for connecting a ground pipeline with a plurality of fracturing trucks and is used for collecting liquid pumped out by the fracturing trucks and injecting the liquid into a target layer of a fracturing well, and the fracturing manifold mainly consists of a main body, a control valve and a union. The control valve is usually a ball valve or a plug valve, and the pressure bearing capacity is 70 Mpa.
Produce the superhigh pressure operating mode easily at fracturing in-process, current fracturing valve often because of can not releasing the superhigh pressure safety, and the major defect has: the ultrahigh pressure fracturing fluid can increase the abrasion of internal parts of the valve when entering the fracturing fluid, and the long-term abrasion can obviously reduce the service life of the fracturing valve; on the other hand, damage to the internal structure of the valve can be directly caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the sand control structure ultrahigh-pressure fracturing valve with good pressure relief effect.
The technical scheme for solving the technical problems is as follows: the upper end of the lower supporting shell is provided with a supporting shell, the lower bottom plate of the upper supporting shell is rotatably connected with one end of a screw rod, the other end of the screw rod is fixedly connected with a rotary table positioned above the upper supporting shell, the inner side wall of the upper supporting shell is provided with a supporting frame, two side vertical rods of the supporting frame are respectively in sliding connection with two sides of an I-shaped sliding plate, the screw rod penetrates through an intermediate hole of the I-shaped sliding plate and is movably connected with the I-shaped sliding plate, a sliding plate movement adjusting mechanism positioned below the I-shaped sliding plate is arranged on the two side vertical rods of the supporting frame, the bottom of the I-shaped sliding plate is connected with the sliding plate movement adjusting mechanism through a first spring, the bottom of one side of the I-shaped sliding plate is fixedly connected with one end of a first connecting plate, the other end of the first connecting plate is movably connected with a first fixed block on the inner side wall of the lower supporting shell, and a rack is arranged on the first connecting plate.
An inner cylinder is arranged in the lower supporting shell, a gear ring which is in meshing transmission with the rack is arranged on the outer circumference of the inner cylinder, the inlet end of the inner cylinder is communicated with the outlet end of a liquid inlet pipe arranged on one side in the lower supporting shell, the outlet end of the inner cylinder is communicated with the inlet end of a connecting cylinder arranged on the other side in the lower supporting shell, the liquid inlet pipe and the inner cylinder, the inner cylinder is provided with a central hole communicated with the central hole of the disc, and the outlet end of the connecting cylinder is communicated with the inlet end of the liquid outlet pipe.
Further, the pressure relief mechanism is: a fixed cylinder connected with one side of the disc is arranged on the main shaft, pressure relief holes are uniformly processed on the circumferential side wall of the fixed cylinder, a rotary cylinder is arranged on the circumferential side wall of the fixed cylinder, a third spring is arranged on the outer circumference of the fixed cylinder, one end of the third spring is fixedly connected with one end of the rotary cylinder, the other end of the third spring is fixedly connected with one side of the disc, baffles matched with the pressure relief holes are uniformly arranged on the circumferential side wall of the rotary cylinder, second convex blocks movably connected with second sliding grooves uniformly processed in the circumferential direction of one end of the rotary cylinder are uniformly arranged on the outer circumference of the fixed cylinder, a rotary circular plate close to one end of the fixed cylinder is rotatably connected on the main shaft, first through holes are uniformly processed in the circumferential direction on the rotary circular plate, second through holes are uniformly processed at one end of the fixed cylinder, the first through holes are communicated with the second through holes, and second fixed blocks fixedly connected with the inner side wall of the inner cylinder are uniformly arranged in the circumferential direction of the rotary circular plate, every second fixed block is provided with the third connecting axle with the first spout sliding connection of the even processing of rotary drum other end circumferencial direction, the third connecting axle through with first spout sliding connection's slider and elastic connecting rod one end fixed connection, the elastic connecting rod other end and set casing swing joint are provided with the fourth spring that is located the set casing on the elastic connecting rod.
Further, the support frame is: a second horizontal plate is arranged at the bottom end of the upper supporting shell, two ends of the second horizontal plate are respectively and fixedly connected with one end of the first vertical plate and one end of the second vertical plate, the other end of the first vertical plate is fixedly connected with one end of the fourth vertical plate through the first horizontal plate, the other end of the fourth vertical plate is fixedly connected with the inner side wall of the lower supporting shell, the other end of the second vertical plate is fixedly connected with one end of the third vertical plate through the third horizontal plate, the other end of the third vertical plate is fixedly connected with the inner side wall of the lower supporting shell, the bottom of the upper top cover of the upper supporting shell is respectively and fixedly connected with the first horizontal plate and the third horizontal plate, the first vertical plate, the second vertical plate and the third vertical plate, the fourth vertical plate is respectively connected with the I-shaped sliding plate in a sliding way, and the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate are provided with sliding plate movement adjusting mechanisms connected with the I-shaped sliding plate.
Further, the I-shaped slide plate is: the two ends of the second connecting plate are respectively provided with a fourth horizontal plate and a fifth horizontal plate, vertical chutes are respectively processed on the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate, the two ends of the fourth horizontal plate of the I-shaped sliding plate are respectively connected with the vertical chutes of the first vertical plate and the second vertical plate in a sliding manner, the two ends of the fifth horizontal plate of the I-shaped sliding plate are respectively connected with the vertical chutes of the third vertical plate and the fourth vertical plate in a sliding manner, the bottoms of the fourth horizontal plate and the fifth horizontal plate of the I-shaped sliding plate are respectively connected with the sliding plate movement adjusting mechanism through a first spring, and the two ends of the sliding plate movement adjusting mechanism are respectively connected with the grooves of the first vertical plate and the second vertical plate in a matching manner.
Further, the slide plate movement adjusting mechanism is as follows: the bottom of the I-shaped sliding plate is fixedly connected with a third connecting plate through a first spring, first connecting shafts are arranged at two ends of the third connecting plate respectively and are movably connected with first lugs, the first lugs are connected with grooves in a first vertical plate in a matched mode, a second connecting shaft on one side of each first lug is sleeved with a sleeve arranged on the inner side of a groove in the third connecting plate, second springs are arranged on the sleeve and the second connecting shaft, one end of each second spring is fixedly connected with the inner side of the groove of the third connecting plate, and the other end of each second spring is fixedly connected with one side of the first lug.
According to the invention, fracturing fluid flows into the inner cylinder through the liquid inlet pipe at high pressure, the sliding plate movement adjusting mechanism can block the descending speed of the I-shaped sliding plate, the pressure release mechanism is controlled in the inner cylinder to slowly release the pressure of the high-pressure fracturing fluid, the fracturing fluid flows out of the inner cylinder, the pressure release mechanism releases the pressure of the fracturing fluid entering at high pressure, the fracturing fluid in the inner cylinder flows into the liquid outlet pipe through the connecting cylinder, and the fracturing fluid in the liquid outlet pipe flows out of the decompressed fracturing fluid, so that the abrasion and damage of the high-pressure fracturing fluid to internal parts of the valve are avoided. The invention has the advantage of good sealing effect.
Drawings
Fig. 1 is a schematic structural diagram of one embodiment of the ultrahigh-pressure fracturing valve of the sand control structure of the invention.
Fig. 2 is a schematic structural view of fig. 1 with the upper support housing 3 and the lower support housing 4 removed.
Fig. 3 is a schematic view of the structure of fig. 2 from another angle.
Fig. 4 is a schematic structural view of the inner cylinder 11 in fig. 2.
Fig. 5 is a schematic view of the structure of fig. 4 from another angle.
Fig. 6 is a schematic structural diagram of the support frame 7 in fig. 2.
Fig. 7 is a schematic structural view of the i-shaped sliding plate 8 in fig. 2.
Fig. 8 is a schematic structural view of the slide motion adjustment mechanism 10 in fig. 2.
Fig. 9 is a schematic view of the structure of fig. 8 with the second spring 1004 removed.
Fig. 10 is a schematic view of the pressure relief mechanism 16 of fig. 4.
Fig. 11 is a schematic view of the structure of fig. 10 with the third spring 1603 removed and the fixed cylinder 1604 fixed at another angle.
Fig. 12 is a schematic structural view of the rotary drum 1602 in fig. 10.
Fig. 13 is a schematic structural view of the fixed cylinder 1604 in fig. 10.
Reference numerals: 1. a turntable; 2. a screw rod; 3. an upper support housing; 4. a lower support housing; 5. a liquid outlet pipe; 6. a liquid inlet pipe; 7. a support frame; 701. a first horizontal plate; 702. a first vertical plate; 703. a second vertical plate; 704. a second horizontal plate; 705. a third vertical plate; 706. a third horizontal plate; 707. a fourth vertical plate; 8. an I-shaped slide plate; 801. a fourth horizontal plate; 802. a second connecting plate; 803. a fifth horizontal plate; 9. a first spring; 10. a slide motion adjustment mechanism; 1001. a third connecting plate; 1002. a first connecting shaft; 1003. a first bump; 1004. a second spring; 1005. a sleeve; 1006. a second connecting shaft; 11. an inner barrel; 12. a ring gear; 13. a rack; 14. a first connecting plate; 15. a first fixed block; 16. a pressure relief mechanism; 1601. a second fixed block; 1602. a rotating drum; 1603. a third spring; 1604. a fixed cylinder; 1605. rotating the circular plate; 1606. a third connecting shaft; 1607. a slider; 1608. an elastic connecting rod; 1609. a stationary case; 16010. a baffle plate; 16011. a second bump; a. a first through hole; b. a first chute; c. a second chute; d. a second through hole; e. a pressure relief vent; 17. a main shaft; 18. a connecting cylinder; 19. a first support bar; 20. fixing the rod; 21. a disc; 22. a second support bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 5, the sand control structure ultrahigh pressure fracturing valve of the embodiment is formed by coupling a turntable 1, a screw rod 2, an upper support housing 3, a lower support housing 4, a liquid outlet pipe 5, a liquid inlet pipe 6, a support frame 7, an i-shaped sliding plate 8, a first spring 9, a sliding plate movement adjusting mechanism 10, an inner cylinder 11, a gear ring 12, a rack 13, a first connecting plate 14, a first fixing block 15, a pressure relief mechanism 16, a main shaft 17, a connecting cylinder 18, a first support rod 19, a fixing rod 20, a disc 21 and a second support rod 22.
An upper supporting shell 3 is installed at the upper end of a lower supporting shell 4, a lower bottom plate of the upper supporting shell 3 is rotatably connected with one end of a screw rod 2, the other end of the screw rod 2 is fixedly connected with a rotary table 1, the rotary table 1 is located above the upper supporting shell 3, a supporting frame 7 is installed on the inner side wall of the upper supporting shell 3, vertical rods on two sides of the supporting frame 7 are respectively in sliding connection with two sides of an I-shaped sliding plate 8, the screw rod 2 penetrates through a middle hole of the I-shaped sliding plate 8 and is movably connected with the I-shaped sliding plate 8, sliding plate movement adjusting mechanisms 10 are installed on the vertical rods on two sides of the supporting frame 7, the sliding plate movement adjusting mechanisms 10 are located below the I-shaped sliding plate 8, the bottom of the I-shaped sliding plate 8 is connected with the sliding plate movement adjusting mechanisms 10 through first springs 9, the sliding plate movement adjusting mechanisms 10 are used for blocking the descending speed of the I-shaped sliding plate 8, and a pressure release control mechanism 16 in an inner barrel 11 slowly releases pressure to high-pressure fracturing fluid. The bottom of one side of the I-shaped sliding plate 8 is fixedly connected with one end of a first connecting plate 14, a first fixing block 15 is fixedly mounted on the inner side wall of the lower supporting shell 4, the other end of the first connecting plate 14 is movably connected with a groove of the first fixing block 15, and a rack 13 is mounted on the first connecting plate 14.
An inner cylinder 11 is fixedly arranged in a lower support shell 4, a gear ring 12 is arranged on the outer circumference of the inner cylinder 11, the gear ring 12 is in meshing transmission with a rack 13, a liquid inlet pipe 6 is arranged on one side in the lower support shell 4, the inlet end of the inner cylinder 11 is communicated with the outlet end of the liquid inlet pipe 6, a connecting cylinder 18 is arranged on the other side in the lower support shell 4, the outlet end of the inner cylinder 11 is communicated with the inlet end of the connecting cylinder 18, a main shaft 17 is arranged in the liquid inlet pipe 6, the inner cylinder 11 and the connecting cylinder 18, one end of the main shaft 17 is fixedly connected with the inner circumferential side wall of the liquid inlet pipe 6 through a second support rod 22, the other end of the main shaft 17 is fixedly connected with the inner circumferential side wall of the connecting cylinder 18 through a first support rod 19, a disc 21 is arranged on the outer circumference of the main shaft 17 in the inner cylinder 11, the disc 21 is fixedly connected with the inner circumferential side wall of the inner cylinder 11, fixing rods 20 are uniformly arranged on the circumferential direction of the disc 21, and are fixedly connected with the outer circumference of the main shaft 17, pressure relief mechanism 16 is installed to main shaft 17 that is located inner tube 11, pressure relief mechanism 16 is used for superhigh pressure fracturing fluid admission valve, the damage that causes the part in the valve, high pressure fracturing fluid flows out and gets into in the inner tube 11, pressure relief mechanism 16 carries out the pressure release to the fracturing fluid that high pressure got into after, fracturing fluid in the inner tube 11 flows into drain pipe 5 through connecting cylinder 18, fracturing fluid after the fracturing fluid outflow pressure release in the drain pipe 5, pressure relief mechanism 16 communicates each other with the centre bore on the disc 21, the exit end of connecting cylinder 18 communicates each other with the entrance point of drain pipe 5.
As shown in fig. 6, the supporting frame 7 is formed by coupling a first horizontal plate 701, a first vertical plate 702, a second vertical plate 703, a second horizontal plate 704, a third vertical plate 705, a third horizontal plate 706, and a fourth vertical plate 707, and the supporting frame 7 is: install second horizontal plate 704 at last support housing 3 bottom, second horizontal plate 704 both ends respectively with first vertical plate 702 one end, second vertical plate 703 one end fixed connection, the first vertical plate 702 other end passes through first horizontal plate 701 and fourth vertical plate 707 one end fixed connection, the fourth vertical plate 707 other end and lower support housing 4 inside wall fixed connection, second vertical plate 703 other end passes through third horizontal plate 706 and third vertical plate 705 one end fixed connection, the third vertical plate 705 other end and lower support housing 4 inside wall fixed connection, go up support housing 3 and go up top cover bottom respectively with first horizontal plate 701 and third horizontal plate 706 fixed connection. The first vertical plate 702, the second vertical plate 703, the third vertical plate 705 and the fourth vertical plate 707 are perpendicular to the second horizontal plate 704, the first horizontal plate 701 and the third horizontal plate 706, respectively.
As shown in fig. 7, the i-shaped sliding plate 8 is formed by coupling a fourth horizontal plate 801, a second connecting plate 802, and a fifth horizontal plate 803, and the i-shaped sliding plate 8 is: the two ends of the second connecting plate 802 are respectively provided with a fourth horizontal plate 801 and a fifth horizontal plate 803, the first vertical plate 702, the second vertical plate 703, the third vertical plate 705 and the fourth vertical plate 707 are respectively provided with a vertical sliding chute, the two ends of the fourth horizontal plate 801 of the i-shaped sliding plate 8 are respectively connected with the vertical sliding chutes of the first vertical plate 702 and the second vertical plate 703 in a sliding manner, and the two ends of the fifth horizontal plate 803 of the i-shaped sliding plate 8 are respectively connected with the vertical sliding chutes of the third vertical plate 705 and the fourth vertical plate 707 in a sliding manner.
As shown in fig. 8 and 9, the slide motion adjustment mechanism 10 is formed by coupling a third connecting plate 1001, a first connecting shaft 1002, a first projection 1003, a second spring 1004, a sleeve 1005, and a second connecting shaft 1006, and the slide motion adjustment mechanism 10 is: the bottom of the I-shaped sliding plate 8 is fixedly connected with a third connecting plate 1001 through a first spring 9, two ends of the third connecting plate 1001 are respectively provided with a first connecting shaft 1002, the first connecting shaft 1002 is movably connected with a first bump 1003, the first bump 1003 is matched and connected with a groove on a first vertical plate 702, the inner side of the groove of the third connecting plate 1001 is provided with a sleeve 1005, one side of the first bump 1003 is fixedly provided with a second connecting shaft 1006, the second connecting shaft 1006 is sleeved with the sleeve 1005, the sleeve 1005 and the second connecting shaft 1006 are provided with a second spring 1004, one end of the second spring 1004 is fixedly connected with the inner side of the groove of the third connecting plate 1001, and the other end of the second spring 1004 is fixedly connected with one side of the first bump 1003.
As shown in fig. 10 to 13, the pressure relief mechanism 16 is formed by coupling a second fixed block 1601, a rotary drum 1602, a third spring 1603, a fixed drum 1604, a rotary circular plate 1605, a third connecting shaft 1606, a slider 1607, an elastic connecting rod 1608, a fixed casing 1609, a baffle 16010, a second protrusion 16011, a first through hole a, a first sliding groove b, a second sliding groove c, a second through hole d, and a pressure relief hole e, and the pressure relief mechanism 16 is: the main shaft 17 is provided with a fixed cylinder 1604, the fixed cylinder 1604 is fixedly connected with one side of the disc 21, a pressure relief hole e is uniformly processed on the circumferential side wall of the fixed cylinder 1604, a rotary drum 1602 is sleeved on the circumferential side wall of the fixed cylinder 1604, a third spring 1603 is installed on the outer circumference of the fixed cylinder 1604, one end of the third spring 1603 is fixedly connected with one end of the rotary drum 1602, the other end of the third spring 1603 is fixedly connected with one side of the disc 21, a baffle 16010 is uniformly installed on the circumferential side wall of the rotary drum 1602, the baffle 16010 is matched with the pressure relief hole e, the baffle 16010 is moved to shield the pressure relief hole e or separate from the pressure relief hole e, a second bump 16011 is uniformly installed on the outer circumference of the fixed cylinder 1604, a second chute c is uniformly processed in the circumferential direction of one end of the rotary drum 1602, the second bump 16011 is movably connected with the second chute c, a rotary circular plate 1605 close to one end of the fixed cylinder 1604 is rotatably connected with the main shaft 17, a first through hole a is uniformly processed in the circumferential direction on the rotary circular plate 1605, fixed cylinder 1604 one end evenly processed has second through-hole d, first through-hole a communicates with each other with second through-hole d, the circumferencial direction that rotates plectane 1605 evenly installs second fixed block 1601, second fixed block 1601 and inner tube 11 circumference inside wall fixed connection, third connecting axle 1606 is installed to every second fixed block 1601, the first spout b of the evenly processed of the circumferencial direction of the other end of rotary drum 1602, third connecting axle 1606 and first spout b sliding connection, third connecting axle 1606 is through the slider 1607 with first spout b sliding connection and elastic connecting rod 1608 one end fixed connection, the elastic connecting rod 1608 other end and fixed shell 1609 swing joint, install the fourth spring that is located the fixed shell 1609 on the elastic connecting rod 1608.
The working principle of the embodiment is as follows:
(1) during oil exploitation, high-pressure fracturing fluid is input into ground exploitation equipment through pipeline high pressure, install the super high pressure fracturing valve on the pipeline, high-pressure fracturing fluid flows into inner tube 11 through 6 high pressures of feed liquor pipe in, high-pressure fracturing fluid in the inner tube 11 flows into fixed cylinder 1604 through first through-hole a on the rotation plectane 1605 and the second through-hole d on the fixed cylinder 1604, the baffle 16010 of circumferencial direction equipartition blocks the pressure release hole e on the fixed cylinder 1604 on the rotary drum 1602, fracturing fluid flows into in the inner tube 11 through the fixed cylinder 1604.
(2) And (3) pressure relief process: manually rotating the rotating disc 1, the rotating disc 1 drives the screw rod 2 to rotate, the screw rod 2 drives two ends of a fourth horizontal plate 801 of the i-shaped sliding plate 8 to vertically move in vertical chutes of a first vertical plate 702 and a second vertical plate 703 of the supporting frame 7 respectively through the second connecting plate 802, the screw rod 2 drives two ends of a fifth horizontal plate 803 of the i-shaped sliding plate 8 to vertically move in vertical chutes of a third vertical plate 705 and a fourth vertical plate 707 of the supporting frame 7 respectively through the second connecting plate 802, the i-shaped sliding plate 8 drives the first connecting plate 14 to slowly descend under the action of the first spring 9 and the sliding plate movement adjusting mechanism 10 during the pressing-down process of the i-shaped sliding plate 8, when the pressure is large, the first bumps 1003 at two sides of the third connecting plate 1001 are separated from grooves of the first vertical plate 702 and the second vertical plate 703 respectively, the first bumps 1003 slide on the first connecting shaft 1002, the second spring 1004 is compressed, the second connecting shaft 1006 is sleeved in the sleeve 1005.
In the process of slowly descending the first connecting plate 14, the rack 13 on the first connecting plate 14 drives the inner cylinder 11 to rotate through the gear ring 12, the inner cylinder 11 drives the rotating circular plate 1605 to rotate on the spindle 17 through the second fixing block 1601, the second fixing block 1601 drives the sliding block 1607 to slide in the first sliding groove b of the rotating cylinder 1602 through the third connecting shaft 1606, when the sliding block 1607 slides in the fixed casing 1609 through the elastic connecting rod 1608 when the sliding block slides to the end in the groove of the first sliding groove b, so as to drive the rotating cylinder 1602 to rotate around the outer circumference of the fixed cylinder 1604, the baffle 16010 on the rotating cylinder 1602 is separated from the pressure relief hole e of the fixed cylinder 1604, the fracturing fluid in the fixed cylinder 1604 flows out from the pressure relief hole e, the fracturing fluid enters the inner cylinder 11, after the high-pressure entering fracturing fluid is relieved, the fracturing fluid in the inner cylinder 11 reenters the first through hole a on the rotating circular plate 1605 and the second through hole d on the fixed cylinder 1604 to flow into the fixed cylinder 1604, repeating the above processes, and continuously releasing the pressure of the high-pressure fracturing fluid entering the inner cylinder 11.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (5)
1. The utility model provides a sand control structure superhigh pressure fracturing valve which characterized in that: an upper support shell (3) is arranged at the upper end of a lower support shell (4), a lower bottom plate of the upper support shell (3) is rotatably connected with one end of a screw rod (2), the other end of the screw rod (2) is fixedly connected with a turntable (1) positioned above the upper support shell (3), a support frame (7) is arranged on the inner side wall of the upper support shell (3), vertical rods at two sides of the support frame (7) are respectively in sliding connection with two sides of an I-shaped sliding plate (8), the screw rod (2) penetrates through a middle hole of the I-shaped sliding plate (8) and is movably connected with the I-shaped sliding plate (8), sliding plate movement adjusting mechanisms (10) positioned below the I-shaped sliding plate (8) are arranged on the vertical rods at two sides of the support frame (7), the bottom of the I-shaped sliding plate (8) is connected with the sliding plate movement adjusting mechanisms (10) through a first spring (9), the bottom of one side of the I-shaped sliding plate (8) is fixedly connected with one end of a first connecting plate (14), the other end of the first connecting plate (14) is movably connected with a first fixed block (15) on the inner side wall of the lower supporting shell (4), and a rack (13) is arranged on the first connecting plate (14);
an inner cylinder (11) is arranged in the lower support shell (4), a gear ring (12) which is in meshing transmission with the rack (13) is arranged on the outer circumference of the inner cylinder (11), the inlet end of the inner cylinder (11) is communicated with the outlet end of a liquid inlet pipe (6) arranged at one side in the lower support shell (4), the outlet end of the inner cylinder (11) is communicated with the inlet end of a connecting cylinder (18) arranged at the other side in the lower support shell (4), a main shaft (17) is arranged in the liquid inlet pipe (6), the inner cylinder (11) and the connecting cylinder (18), one end of the main shaft (17) is fixedly connected with the inner circumferential side wall of the liquid inlet pipe (6) through a second support rod (22), the other end of the main shaft (17) is fixedly connected with the inner circumferential side wall of the connecting cylinder (18) through a first support rod (19), a disc (21) which is fixedly connected with the inner circumferential side wall of the inner cylinder (11) is arranged on the outer circumference of the main shaft (17) in the inner cylinder (11), the fixing rods (20) uniformly arranged in the circumferential direction of the disc (21) are fixedly connected with the outer circumference of the main shaft (17), the main shaft (17) positioned in the inner cylinder (11) is provided with a pressure relief mechanism (16) mutually communicated with the central hole of the disc (21), and the outlet end of the connecting cylinder (18) is mutually communicated with the inlet end of the liquid outlet pipe (5).
2. The sand control structure ultra-high pressure fracturing valve of claim 1, wherein the pressure relief mechanism (16) is: a fixed cylinder (1604) connected with one side of the disc (21) is arranged on the main shaft (17), pressure relief holes (e) are uniformly processed on the circumferential side wall of the fixed cylinder (1604), a rotary cylinder (1602) is arranged on the outer circumferential side wall of the fixed cylinder (1604), a third spring (1603) is arranged on the outer circumference of the fixed cylinder (1604), one end of the third spring (1603) is fixedly connected with one end of the rotary cylinder (1602), the other end of the third spring is fixedly connected with one side of the disc (21), a baffle (16010) matched with the pressure relief holes (e) is uniformly arranged on the circumferential side wall of the rotary cylinder (1602), a second bump (16011) movably connected with a second chute (c) uniformly processed in the circumferential direction at one end of the rotary cylinder (1602) is uniformly arranged on the outer circumference of the fixed cylinder (1604), a rotating circular plate (1605) close to one end of the fixed cylinder (1604) is rotatably connected with the main shaft (17), first through holes (a) are uniformly processed in the circumferential direction on the rotating circular plate (1605), fixed cylinder (1604) one end uniform processing has second through-hole (d), first through-hole (a) and second through-hole (d) communicate each other, the circumferencial direction of rotation plectane (1605) evenly is provided with second fixed block (1601) with inner tube (11) circumference inside wall fixed connection, every second fixed block (1601) are provided with first spout (b) sliding connection's of the even processing of rotary drum (1602) other end circumferencial direction third connecting axle (1606), third connecting axle (1606) through with first spout (b) sliding connection's slider (1607) and elastic connecting rod (1608) one end fixed connection, the elastic connecting rod (1608) other end and set casing (1609) swing joint, be provided with the fourth spring that is located set casing (1609) on elastic connecting rod (1608).
3. The sand control structure ultra-high pressure fracturing valve of claim 1, wherein the support frame (7) is: a second horizontal plate (704) is arranged at the bottom end of the upper supporting shell (3), two ends of the second horizontal plate (704) are respectively fixedly connected with one end of a first vertical plate (702) and one end of a second vertical plate (703), the other end of the first vertical plate (702) is fixedly connected with one end of a fourth vertical plate (707) through a first horizontal plate (701), the other end of the fourth vertical plate (707) is fixedly connected with the inner side wall of the lower supporting shell (4), the other end of the second vertical plate (703) is fixedly connected with one end of a third vertical plate (705) through a third horizontal plate (706), the other end of the third vertical plate (705) is fixedly connected with the inner side wall of the lower supporting shell (4), the bottom of an upper top cover of the upper supporting shell (3) is respectively fixedly connected with the first horizontal plate (701) and the third horizontal plate (706), the first vertical plate (702), the second vertical plate (703), the third vertical plate (705), The fourth vertical plate (707) is respectively connected with the I-shaped sliding plate (8) in a sliding manner, and the first vertical plate (702), the second vertical plate (703), the third vertical plate (705) and the fourth vertical plate (707) are provided with sliding plate movement adjusting mechanisms (10) connected with the I-shaped sliding plate (8).
4. The sand control structure ultra-high pressure fracturing valve according to claim 1 or 3, wherein the I-shaped sliding plate (8) is: a fourth horizontal plate (801) and a fifth horizontal plate (803) are respectively arranged at two ends of the second connecting plate (802), vertical sliding grooves are respectively processed on the first vertical plate (702), the second vertical plate (703), the third vertical plate (705) and the fourth vertical plate (707), two ends of the fourth horizontal plate (801) of the I-shaped sliding plate (8) are respectively connected with the first vertical plate (702), the second vertical plate (703) is in sliding connection with the vertical sliding groove, two ends of a fifth horizontal plate (803) of the I-shaped sliding plate (8) are in sliding connection with the vertical sliding grooves of the third vertical plate (705) and the fourth vertical plate (707) respectively, bottoms of a fourth horizontal plate (801) and the fifth horizontal plate (803) of the I-shaped sliding plate (8) are connected with a sliding plate movement adjusting mechanism (10) through first springs (9) respectively, and two ends of the sliding plate movement adjusting mechanism (10) are in matching connection with grooves of the first vertical plate (702) and the second vertical plate (703) respectively.
5. The sand control structure ultra-high pressure fracturing valve according to claim 1 or 3, wherein the sliding plate movement adjusting mechanism (10) is: the bottom of the I-shaped sliding plate (8) is fixedly connected with a third connecting plate (1001) through a first spring (9), two ends of the third connecting plate (1001) are respectively provided with a first connecting shaft (1002), the first connecting shaft (1002) is movably connected with a first bump (1003), the first bump (1003) is in groove fit connection with a first vertical plate (702), a second connecting shaft (1006) on one side of the first bump (1003) is sleeved with a sleeve (1005) arranged on the inner side of a groove of the third connecting plate (1001), the sleeve (1005) and the second connecting shaft (1006) are provided with a second spring (1004), one end of the second spring (1004) is fixedly connected with the inner side of the groove of the third connecting plate (1001), and the other end of the second spring is fixedly connected with one side of the first bump (1003).
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| CN202210125295.XA CN114413014B (en) | 2022-02-10 | 2022-02-10 | Sand control structure superhigh pressure fracturing valve |
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| CN202210125295.XA CN114413014B (en) | 2022-02-10 | 2022-02-10 | Sand control structure superhigh pressure fracturing valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733418A (en) * | 2023-08-11 | 2023-09-12 | 山东中力高压阀门股份有限公司 | Ultra-high pressure fracturing valve with sand prevention structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3822793A1 (en) * | 1988-07-06 | 1990-01-11 | Festo Kg | Valve |
| CN109307083A (en) * | 2018-09-26 | 2019-02-05 | 河北博路天宝石油设备制造有限公司 | A kind of oil equipment multi-functional valve |
| JP2019039478A (en) * | 2017-08-24 | 2019-03-14 | 長瀬フィルター株式会社 | Flow channel changeover valve |
| CN210397763U (en) * | 2019-04-11 | 2020-04-24 | 大庆丹枫石油技术开发有限公司 | Hydraulic flat valve for oil exploitation |
| CN111946847A (en) * | 2020-09-02 | 2020-11-17 | 烟台金泰美林科技股份有限公司 | Full lining ceramic wheel valve |
| CN112096939A (en) * | 2020-10-14 | 2020-12-18 | 西安石油大学 | Two-stage safety valve with real-time pressure monitoring function for fracturing pipeline |
-
2022
- 2022-02-10 CN CN202210125295.XA patent/CN114413014B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3822793A1 (en) * | 1988-07-06 | 1990-01-11 | Festo Kg | Valve |
| JP2019039478A (en) * | 2017-08-24 | 2019-03-14 | 長瀬フィルター株式会社 | Flow channel changeover valve |
| CN109307083A (en) * | 2018-09-26 | 2019-02-05 | 河北博路天宝石油设备制造有限公司 | A kind of oil equipment multi-functional valve |
| CN210397763U (en) * | 2019-04-11 | 2020-04-24 | 大庆丹枫石油技术开发有限公司 | Hydraulic flat valve for oil exploitation |
| CN111946847A (en) * | 2020-09-02 | 2020-11-17 | 烟台金泰美林科技股份有限公司 | Full lining ceramic wheel valve |
| CN112096939A (en) * | 2020-10-14 | 2020-12-18 | 西安石油大学 | Two-stage safety valve with real-time pressure monitoring function for fracturing pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 孙晓迎: "高性能压裂井口设备技术和产业化研究", 《科技创新与应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733418A (en) * | 2023-08-11 | 2023-09-12 | 山东中力高压阀门股份有限公司 | Ultra-high pressure fracturing valve with sand prevention structure |
| CN116733418B (en) * | 2023-08-11 | 2023-11-03 | 山东中力高压阀门股份有限公司 | Ultra-high pressure fracturing valve with sand prevention structure |
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| CN114413014B (en) | 2023-02-03 |
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