CN114352245B - Pressurizing device for oil exploitation - Google Patents
Pressurizing device for oil exploitation Download PDFInfo
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- CN114352245B CN114352245B CN202210279270.5A CN202210279270A CN114352245B CN 114352245 B CN114352245 B CN 114352245B CN 202210279270 A CN202210279270 A CN 202210279270A CN 114352245 B CN114352245 B CN 114352245B
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Abstract
The invention discloses a pressurizing device for oil exploitation, which comprises a machine body, wherein the machine body is provided with a pressurizing channel, and the pressurizing channel comprises a first pressurizing pipeline and a second pressurizing pipeline; the machine body is provided with a linkage lifting mechanism and a driver, the linkage lifting mechanism comprises a first rotating rod which is driven by the driver to rotate and is rotationally connected with the machine body, a cam connected with the first rotating rod, a frame body which is driven by the cam to lift, a return spring connected between the frame body and the machine body, and an intermittent pressurizing system which is connected with the frame body and is used for intermittently pressurizing the first pressurizing pipeline and the second pressurizing pipeline; the machine body is provided with a guide groove, the frame body is connected in the guide groove in a sliding mode in the vertical direction, the reset spring is arranged in the guide groove, one end of the reset spring is connected to the bottom wall of the guide groove, and the other end of the reset spring is connected to the frame body. This application has the effect that promotes the stability of pressurization in-process mechanism operation.
Description
Technical Field
The application relates to the field of oil exploitation equipment, in particular to pressurizing equipment for oil exploitation.
Background
Oil extraction refers to the act of excavating and extracting oil in places where oil is stored, and during the process of extracting oil, oil gas flows into the well bottom from a reservoir stratum and rises to the well head from the well bottom. Oil promotes the development of industrial revolution, and the oil brings convenience to people to the development of the industrial revolution until now, however, the recovery rate of oil extraction is not high, and in order to improve the yield of the oil, water injection, gas injection and other methods are adopted to improve the recovery rate, so that a pressurizing device for oil extraction equipment is needed.
When oil exploitation is carried out, generally, pressurizing equipment is needed to inject gas or water into the exploited oil to increase internal pressure, but a general pressurizing structure is easy to shake in the reciprocating displacement process, so that the pressurizing structure is subjected to position deviation or looseness due to abrasion, the stability of structure operation is reduced, and the stability efficiency and the exploitation rate of oil exploitation are reduced.
Disclosure of Invention
In order to improve the stability of the mechanism operation in the pressurizing process, the application provides a pressurizing device for oil exploitation.
The application provides a pressurized equipment for oil recovery adopts following technical scheme:
a pressurization device for oil production, comprising a body provided with a pressurization channel comprising a first pressurization conduit and a second pressurization conduit; the machine body is provided with a linkage lifting mechanism and a driver, the linkage lifting mechanism comprises a first rotating rod which is driven by the driver to rotate and is rotationally connected with the machine body, a cam connected with the first rotating rod, a frame body which is driven by the cam to lift, a return spring connected between the frame body and the machine body, and an intermittent pressurizing system which is connected with the frame body and is used for intermittently pressurizing a first pressurizing pipeline and a second pressurizing pipeline; the machine body is provided with a guide groove, the frame body is connected in the guide groove in a sliding mode in the vertical direction, the reset spring is arranged in the guide groove, one end of the reset spring is connected to the top wall of the guide groove, and the other end of the reset spring is connected to the frame body.
Optionally, the intermittent pressurization system includes two pressurization sleeves respectively communicated with the first pressurization pipeline and the second pressurization pipeline, a first piston hermetically and slidably connected in the pressurization sleeves, a crankshaft rotatably connected to the frame body, and two movable rods respectively linked with two staggered cranks of the crankshaft, wherein the two movable rods are in one-to-one correspondence with the two first pistons and are hinged to the two first pistons; the driver drives the crankshaft to rotate; the first pressurizing pipeline and the second pressurizing pipeline are both provided with air inlet one-way valves which can only be conducted from outside to inside, and the joints of the first pressurizing pipeline and the second pressurizing pipeline and the oil exploitation cavity are both provided with pressurizing one-way valves which can only be conducted towards the direction of the oil exploitation cavity.
Optionally, intermittent type formula pressurization system still includes fixed connection in the mounting panel of support body, connect in the mounting panel and with the spacing frame of pressurization sleeve one-to-one, fixed connection in spacing frame bottom and sealed sliding connection in the second piston of pressurization sleeve, the second piston sets up in the top of first piston, the movable rod is worn to establish and sliding connection in the second piston, the movable rod articulates there is the drive rod, the drive rod is kept away from movable rod one end and is articulated in the crank department of bent axle, first piston is provided with the check valve that can only switch on downwards.
Optionally, the pressurizing channel further comprises a third pressurizing pipeline arranged between the first pressurizing pipeline and the second pressurizing pipeline, and sealing isolation layers are arranged between the first pressurizing pipeline and the third pressurizing pipeline; the linkage lifting mechanism further comprises an auxiliary pressurizing system for pressurizing the inside of the third pressurizing pipeline, the auxiliary pressurizing system comprises a pressurizing groove communicated with the third pressurizing pipeline, a third piston hermetically and slidably connected into the pressurizing groove, two parallel lifting plates for driving the third piston to lift, a sleeve rod fixedly arranged on the machine body and slidably connected with the lifting plates, a spring connecting seat elastically connected between the two lifting plates, a spring sleeved outside the sleeve rod and arranged between the machine body and the lifting plates positioned at the bottom, and a gear set for driving the lifting plates to lift, wherein the gear set is driven by the first rotating rod; and a pressurizing one-way valve which can only be communicated towards the direction of the oil exploitation cavity is also arranged at the joint of the third pressurizing pipeline and the oil exploitation cavity, and the third pressurizing pipeline is provided with a medium channel.
Optionally, be provided with linkage loading system between bent axle and the first bull stick, linkage loading system is including rotating to be connected in the organism and be vertically second bull stick, transmission with first bull stick and be first bevel gear group, transmission between first bull stick and second bull stick between second bull stick, transmission connect in second bevel gear group, fixed connection between support body and sliding connection in the bearing connecting seat of second bull stick between second bull stick and bent axle, the second bull stick passes through second bevel gear group and drives the bent axle rotation, bearing connecting seat drives second bevel gear group and follows second bull stick axial displacement.
Optionally, the number of the cams is two along the axial direction of the first rotating rod, the top of the frame body is provided with pinch rollers in one-to-one correspondence with the cams, and the pinch rollers are abutted to the outer wall of the cams.
Optionally, it is two sets of the edge at pressurization sleeve top is equipped with annular blotter, and annular blotter and mounting panel bottom laminating adaptation, and is two sets of spacing frame is column frame structure and cooperates with the grafting of pressurization sleeve.
Optionally, the gear set includes a first gear coaxially and fixedly connected to the first rotating rod, a transmission gear meshed with the first gear and rotatably connected to the machine body, and a second gear meshed with the transmission gear and rotatably connected to the machine body, and a connecting rod is arranged between the second gear and the lifting plate at the top.
Optionally, the inner ring of the bearing connecting seat is rotatably connected with a connecting sleeve, the connecting sleeve is slidably connected to the outer wall of the second rotating rod, the second rotating rod is provided with a through groove along the axial direction of the second rotating rod, the second bevel gear set comprises a transmission bevel gear coaxially and fixedly connected to the end part of the connecting sleeve and a linkage bevel gear coaxially and fixedly connected to the end part of the crankshaft, and the connecting sleeve is fixedly connected with a guide block slidably connected with the through groove.
Optionally, the machine body is provided with a control panel, the control panel is electrically connected with the driver, and one side of the third pressurizing pipeline is provided with a pressure release valve.
In summary, the present application includes at least one of the following beneficial technical effects:
one is as follows: through the structural matching of the pressurizing channels, three groups of pressurizing channels can be formed to be communicated with the oil exploitation channel, and under the action of the linkage lifting mechanism, the frame body can be intermittently lifted and displaced, so that two groups of limiting frames and the second piston are accurately guided and stably move in the corresponding pressurizing sleeve, the dislocation of the whole structure during operation is inhibited, and the operation stability of the structure is improved;
the second step is as follows: the first piston and the second piston are utilized to preliminarily pressurize the interior of the pressurizing sleeve by the second piston, and then the structure linkage of the linkage pressurizing mechanism is matched to force the crankshaft to simultaneously drive the two groups of movable rods and the first piston connected with the corresponding movable rods to do piston motion in different directions in the two pressurizing sleeves, so as to realize continuous pressurization of an oil exploitation channel and effectively promote the continuity and discontinuity of pressure enhancement in a cavity, and the structure coordination of an auxiliary pressurizing system is utilized, the motion of the third piston is independent of the first piston and the second piston, so that the third pressurizing pipeline can be pressurized by the piston motion of the third piston and a pressurizing groove, and the limit guide of the sleeve rod and the lifting plate and the elastic buffer of the spring connecting seat and the spring are matched, so that the operation safety and stability of the pressurizing mechanism are greatly ensured, a plurality of groups of pressurizing systems are promoted to work synchronously, and the pressurizing effect of the piston motion can be effectively ensured, the stability and the recovery rate of the internal pressure reinforcement of the petroleum are greatly improved;
and thirdly: the linkage pressurizing mechanism, the gear set and the cam structure are utilized to enable the pressurizing structure assembly to be driven independently through the driver, so that the multiple groups of pressurizing structures are driven synchronously through a single group of output energy to operate cooperatively, the energy consumption of the pressurizing equipment is greatly reduced, the use cost of oil exploitation is reduced, a pressurizing system which operates cooperatively can be uniformly released into the oil exploitation channel through the distribution of the pressurizing channel, and the structural pressurizing combination and the exploitation efficiency are improved.
Drawings
Fig. 1 is an external schematic view of the pressurization apparatus for oil production disclosed in the present embodiment.
Fig. 2 is a front sectional view of the pressurizing apparatus for oil production disclosed in the present embodiment.
Fig. 3 is a rear sectional view of the pressurizing apparatus for oil production disclosed in the present embodiment.
Fig. 4 is an enlarged view of a portion a of fig. 2.
Fig. 5 is an enlarged view of a portion B of fig. 2.
FIG. 6 is a schematic structural view of the present embodiment, which is mainly used for revealing the second bevel gear set.
Fig. 7 is a partial schematic view mainly showing the gear train according to the present embodiment.
Description of reference numerals: 1. a body; 2. a pressurizing channel; 21. a first pressurized conduit; 22. a second pressurized conduit; 23. a third pressurized conduit; 24. a communication port; 3. a batch pressurization system; 31. a pressurizing sleeve; 32. a first piston; 33. a movable rod; 34. a second piston; 35. a limiting frame; 36. mounting a plate; 37. a crankshaft; 38. driving the rod; 39. a one-way valve; 40. an annular cushion; 4. a belt drive mechanism; 5. a driver; 61. a frame body; 611. a pinch roller; 62. a first rotating lever; 63. a cam; 64. an auxiliary pressurization system; 641. a mounting frame; 642. a loop bar; 643. a connecting rod; 6431. an upper connecting rod; 6432. a lower connecting rod; 644. a lifting plate; 645. a spring connecting seat; 646. a spring; 647. a third piston; 648. a pressurizing tank; 649. a gear set; 6491. a first gear; 6492. a transmission gear; 6493. a second gear; 65. a linkage pressurization mechanism; 651. a first bevel gear set; 652. A second rotating rod; 654. a bearing connecting seat; 655. connecting sleeves; 656. a second bevel gear set; 6561. a drive bevel gear; 6562. linkage bevel gear; 66. a guide groove; 67. a return spring; 68. a through groove; 69. a guide block; 7. an air inlet check valve; 8. a pressure-increasing one-way valve; 10. a media channel.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses a pressurizing device for oil exploitation.
Referring to fig. 1, the pressurizing apparatus for oil exploitation includes a body 1, a pressurizing passage 2 provided at a position near the bottom of the body 1, a linkage elevating mechanism provided in the body 1 for pressurizing the pressurizing passage 2, and a driver 5 provided at the top of the body 1 for powering the linkage elevating mechanism.
Referring to fig. 2, the pressurizing passage 2 includes a first pressurizing pipe 21, a second pressurizing pipe 22, and a third pressurizing pipe 23, all of which are fixedly connected to the bottom of the machine body 1. The third pressurized duct 23 is arranged between the first pressurized duct 21 and the second pressurized duct 22. The bottom of the first pressurizing pipeline 21, the bottom of the second pressurizing pipeline 22 and the bottom of the third pressurizing pipeline 23 are all provided with a communication port 24 communicated with the oil exploitation cavity, and sealing isolation layers are arranged among the first pressurizing pipeline 21, the second pressurizing pipeline 22 and the third pressurizing pipeline 23.
The linkage lifting mechanism comprises a first rotating rod 62 which is driven by a driver 5 to rotate and is rotationally connected with the machine body 1, a cam 63 connected with the first rotating rod 62, a frame body 61 which is driven by the cam 63 to lift, a return spring 67 connected between the frame body 61 and the machine body 1, and an intermittent pressurizing system 3 which is connected with the frame body 61 and is used for intermittently pressurizing the first pressurizing pipeline 21 and the second pressurizing pipeline 22.
The first rotating rod 62 is axially horizontal, two ends of the first rotating rod 62 penetrate through two opposite side walls of the machine body 1 respectively, one end of the first rotating rod 62 and the output end of the driver 5 are driven through the belt driving mechanism 4, and therefore the first rotating rod 62 rotates.
The two cams 63 are eccentrically connected to the outer wall of the first rotating rod 62, and the two cams 63 are symmetrically arranged with respect to the center of the first rotating rod 62 in the length direction.
The frame body 61 is in a shape like a Chinese character 'men' and is slidably connected in the machine body 1 along the vertical direction, the frame body 61 is arranged below the cam 63, the upper surface of the frame body 61 is rotatably connected with press wheels 611 corresponding to the cam 63 one by one, the rotating axial direction of the press wheels 611 is parallel to the axial line of the cam 63, and the outer wall of the cam 63 abuts against the outer wall of the press wheels 611.
Referring to fig. 2 and 5, a guide groove 66 is formed in the machine body 1 at a position close to two ends of the first rotating rod 62, the guide groove 66 is vertically formed, a return spring 67 is installed in the guide groove 66, one end of the return spring 67 abuts against the top wall of the guide groove 66, the other end of the return spring abuts against the upper surface of the frame body 61, and two ends of the frame body 61 in the length direction are slidably connected in the guide groove 66 respectively so as to be guided by the guide groove 66 in a limiting manner.
Referring to fig. 2 and 4, the intermittent pressurizing system 3 includes two pressurizing sleeves 31 respectively communicating with the first pressurizing pipe 21 and the second pressurizing pipe 22, first pistons 32 hermetically and slidably connected in the pressurizing sleeves 31, a crankshaft 37 rotatably connected to the frame body 61, and two movable rods 33 respectively linked with two staggered crank throw positions of the crankshaft 37, and the two movable rods 33 are arranged in one-to-one correspondence with the two first pistons 32. The axis of rotation of the crankshaft 37 is horizontal, the crankshaft 37 has two alternating throws, and the connection between the centres of the two throws is 180 °.
Intermittent type formula pressurization system 3 still includes fixed connection in support body 61 bottom and be horizontally mounting panel 36, connect in mounting panel 36 bottom and with the spacing frame 35 of pressurization sleeve 31 one-to-one, fixed connection is in spacing frame 35 bottom and sealed sliding connection in the second piston 34 of pressurization sleeve 31, second piston 34 sets up in the top of first piston 32, movable rod 33 wears to establish and sealed sliding connection in second piston 34, the bottom fixed connection of movable rod 33 is in the top of first piston 32, the one end that first piston 32 was kept away from to movable rod 33 articulates there is drive rod 38, the one end that drive rod 38 kept away from movable rod 33 articulates in the crank department of bent axle 37.
In order to be able to exert a pressure effect, the first piston 32 is provided with a non-return valve 39 which can only be opened downwards, and an auxiliary pressure effect can be exerted when the second piston 34 moves downwards relative to the first piston 32.
The first pressurizing pipeline 21 and the second pressurizing pipeline 22 are both provided with air inlet one-way valves 7 which can only be conducted from outside to inside, air inlets of the air inlet one-way valves 7 are communicated with the outside, and when the first piston 32 moves upwards, the air inlet one-way valves 7 are used for air inlet from outside to inside; the joints of the first pressurizing pipeline 21 and the second pressurizing pipeline 22 and the oil production cavity are respectively provided with a pressurizing one-way valve 8 which can only be conducted towards the oil production cavity, so that when the first piston 32 moves downwards, gas in the first pressurizing pipeline 21 or the second pressurizing pipeline 22 can be pressurized to the oil production cavity.
The axis of pressurization sleeve 31 is vertical, and the edge at pressurization sleeve 31 top is equipped with annular blotter 40, and annular blotter 40 and the 36 bottom laminating adaptations of mounting panel, and two sets of spacing frames 35 are column frame structure and with the cooperation of pegging graft of pressurization sleeve 31. When the position where cam 63 and pressure roller 611 abut is rotated to the position where the radius of cam 63 is minimum, the bottom of second piston 34 is separated from pressing sleeve 31.
Referring to fig. 2 and 5, a linkage pressurizing mechanism 65 is disposed between the crankshaft 37 and the first rotating rod 62, and the linkage pressurizing mechanism 65 includes a second rotating rod 652 rotatably connected to the machine body 1 and perpendicular to the first rotating rod 62, a first bevel gear set 651 drivingly connected between the first rotating rod 62 and the second rotating rod 652, a second bevel gear set 656 drivingly connected between the second rotating rod 652 and the crankshaft 37, and a bearing connecting seat 654 fixedly connected to the frame body 61 and slidably connected to the second rotating rod 652.
Referring to fig. 6, the top of the second rotating rod 652 is rotatably connected to the machine body 1 through a bearing, and a through groove 68 axially disposed along the second rotating rod 652 is disposed near the bottom. The first bevel gear set 651 includes two bevel gears fixedly coupled to the ends of the first rotating shaft 62 and the outer wall of the second rotating shaft 652, respectively. One side of the frame body 61, which is far away from the belt transmission mechanism 4, is fixedly connected with two bearing connection seats 654 arranged up and down, the upper bearing connection seat 654 is connected to the second rotating rod 652 in a sliding manner, an inner ring of the lower bearing connection seat 654 is rotatably connected with a connection sleeve 655, the connection sleeve 655 and the lower bearing connection seat 654 are fixed along the axial direction of the second rotating rod 652, the connection sleeve 655 is fixedly connected with a guide block 69 slidably connected with the through groove 68, and the second rotating rod 652 can drive the connection sleeve 655 to rotate in the inner ring of the bearing connection seat 654 through the guide block 69. The second bevel gear set 656 includes a drive bevel gear 6561 coaxially fixedly connected to an end of the connecting sleeve 655, and a linkage bevel gear 6562 coaxially fixedly connected to an end of the crankshaft 37.
Referring to fig. 2 and 3, the linkage lifting mechanism further includes an auxiliary pressurizing system 64 for pressurizing the inside of the third pressurizing pipe 23, the auxiliary pressurizing system 64 includes a pressurizing groove 648 communicated with the third pressurizing pipe 23, a third piston 647 hermetically and slidably connected in the pressurizing groove 648, two parallel lifting plates 644 for driving the third piston 647 to lift, a sleeve rod 642 fixedly installed on the machine body 1 and slidably connected with the lifting plates 644, a spring connecting seat 645 elastically connected between the two lifting plates 644, a spring 646 sleeved outside the sleeve rod 642 and arranged between the machine body 1 and the lifting plates 644 at the bottom, and a gear set 649 for driving the lifting plates 644 to lift.
The communication port 24 of the third pressurizing pipeline 23 is also provided with a pressurizing one-way valve 8 which can only be conducted towards the direction of the oil production cavity, the third pressurizing pipeline 23 is provided with a medium channel 10, the medium channel 10 can be communicated with external air or liquid communicated with the outside, when the medium channel 10 is communicated with the external air, the medium channel 10 is also provided with a one-way valve which can only be conducted from outside to inside, when the medium channel 10 is communicated with the liquid outside, the pump body pumps the liquid inwards when the third piston 647 moves upwards, and therefore the third piston 647 pressurizes the medium. When the medium channel 10 is communicated with external air, the outlet of the pressurization one-way valve 8 can be communicated with the oil exploitation cavity communicated with the air inlet one-way valve 8, and when the medium channel 10 is communicated with external liquid, the outlet of the pressurization one-way valve 8 is independently communicated with the oil exploitation cavity. With reference to fig. 7, the pressurizing slot 648 is vertically disposed; the two lifting plates 644 are both horizontal and arranged up and down; the top of the machine body 1 is fixedly connected with an installation frame 641, two loop bars 642 are vertical, the top of the loop bars 642 is fixedly connected with the installation frame 641, and the bottom of the loop bars 642 is fixedly connected with the outer wall of the pressurizing groove 648; each lifting plate 644 is sleeved and slidably connected with the outer walls of the two sleeve rods 642; the springs 646 and the loop bars 642 are arranged in a one-to-one correspondence. The gear set 649 is driven by the first rotating rod 62, the gear set 649 comprises a first gear 6491 coaxially and fixedly connected to the first rotating rod 62, a transmission gear 6492 meshed with the first gear 6491 and rotatably connected to the machine body 1, and a second gear 6493 meshed with the transmission gear 6492 and rotatably connected to the machine body 1, a connecting rod 643 is arranged between the second gear 6493 and the lifting plate 644 at the top, the connecting rod 643 comprises an upper connecting rod 6431 with one end coaxially and fixedly connected to the center of the second gear 6493, and a lower connecting rod 6432 hinged to the end of the upper connecting rod 6431 far away from the second gear 6493, and one end of the lower connecting rod 6432 far away from the upper connecting rod 6431 is hinged to the top of the lifting plate 644 located above.
When the frame body 61 moves up and down, the crank shaft 37 can be driven by the linkage pressurizing mechanism 65 to synchronously move, so that the two groups of movable rods 33 and the first piston 32 can synchronously move up and down and intermittently pressurize along with the limiting frame 35 and the second piston 34, the piston motion amplitude and the internal pressure enhancement rate of the first piston 32 and the second piston 34 in the pressurizing sleeve 31 are further improved, and the matching performance and the pressurizing effect of the structure are improved.
The working principle is as follows: when the device is used, the first pressurizing pipeline 21, the second pressurizing pipeline 22 and the third pressurizing pipeline 23 in the pressurizing channel 2 are communicated with an oil exploitation cavity through the communication port 24, a communication system is distributed uniformly, gas is injected to the top of an oil layer through a gas injection pipeline, so that energy of the oil reservoir is continuously supplemented in the exploitation process, the oil reservoir is controlled to be started through the driver 5, the belt transmission mechanism 4 can be driven to drive the first rotating rod 62 to rotate, and the gear set 649, the first bevel gear set 651 and the two groups of cams 63 can be driven to synchronously rotate along with the rotation of the first rotating rod 62; when the gear set 649 rotates, the linkage 643 can be forced to be linked, and the two sets of lifting plates 644 can perform lifting and descending activities under the connection of the spring connection seat 645 and the traction of the loop bar 642, and during the process, the spring connection seat 645 between the two sets of lifting plates 644 and the spring 646 perform double elastic compression, so that the lifting plates 644 drive the third piston 647 to ascend and descend in the pressurizing groove 648 to perform piston movement more stably, and the pressure given by the piston movement of the third piston 647 enters the oil production passage from the communication of the pressurizing groove 648 and the third pressurizing pipeline 23, thereby primarily increasing the internal pressure in the oil production cavity; when the two sets of cams 63 rotate, they intermittently contact with the pressing wheel 611 above the frame body 61, forcing the whole frame body 61 to move up and down under the guidance of the guiding groove 66, during which the restoring spring 67 is driven to elastically extend and retract and restore, so that the frame body 61 drives the mounting plate 36 and the two sets of limiting frames 35 to move up and down in the pressurizing sleeve 31, at this time, the guiding movement of the limiting frames 35 and the pressurizing sleeve 31 is not only utilized to limit the structure, avoiding position dislocation, but also the intermittent displacement of the limiting frames 35 drives the second piston 34 to assist pressurization in the pressurizing sleeve 31, accelerating the increase of the pressure in the pressurizing sleeve 31, at the same time, the structure engagement of the first bevel gear set 651 is matched to force the second rotating rod 652 to rotate, then the second rotating rod 652 drives the connecting sleeve 655 and the second bevel gear set 656 to rotate under the limit of the bearing connecting seat 654, and then the crankshaft 37 can rotate through the structure engagement of the second bevel gear set 656, at this time, the two groups of movable rods 33 intermittently move under the opening above the limiting frame 35 along with the rotation of the crankshaft 37, so as to drive the first piston 32 to reciprocate in the pressurizing sleeve 31, namely, the auxiliary pressurization of the second piston 34 can be matched, the stability and the efficiency of the internal pressure enhancement of the pressurizing sleeve 31 by the first piston 32 can be effectively ensured, and the pressurizing sleeves 31 on the left side and the right side and the communication of the first pressurizing pipeline 21 and the second pressurizing pipeline 22 are matched, so that the continuous pressurization enhancement of the pressure in the oil exploitation cavity is realized, the discontinuity of the pressurizing structure is improved, and the exploitation rate of the oil is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A pressurization device for oil production, comprising a body (1), characterized in that: the machine body (1) is provided with a pressurizing channel (2), and the pressurizing channel (2) comprises a first pressurizing pipeline (21) and a second pressurizing pipeline (22);
the machine body (1) is provided with a linkage lifting mechanism and a driver (5), the linkage lifting mechanism comprises a first rotating rod (62) which is driven by the driver (5) to rotate and is connected to the machine body (1) in a rotating mode, a cam (63) connected to the first rotating rod (62), a frame body (61) driven by the cam (63) to lift, a return spring (67) connected between the frame body (61) and the machine body (1), and an intermittent pressurizing system (3) connected to the frame body (61) and used for intermittently pressurizing a first pressurizing pipeline (21) and a second pressurizing pipeline (22);
the frame body (1) is provided with a guide groove (66), the frame body (61) is connected in the guide groove (66) in a sliding mode along the vertical direction, the reset spring (67) is arranged in the guide groove (66), one end of the reset spring (67) is connected to the top wall of the guide groove (66), and the other end of the reset spring (67) is connected to the frame body (61);
the intermittent pressurizing system (3) comprises two pressurizing sleeves (31) which are respectively communicated with a first pressurizing pipeline (21) and a second pressurizing pipeline (22), first pistons (32) which are connected in the pressurizing sleeves (31) in a sealing and sliding mode, a crankshaft (37) which is connected to a frame body (61) in a rotating mode, and movable rods (33) which are respectively linked with two staggered crank throws of the crankshaft (37), wherein the two movable rods (33) are in one-to-one correspondence with the two first pistons (32) and are arranged in a hinged mode; the driver (5) drives the crankshaft (37) to rotate; the first pressurizing pipeline (21) and the second pressurizing pipeline (22) are both provided with air inlet one-way valves (7) which can only be conducted from outside to inside, and the connecting parts of the first pressurizing pipeline (21) and the second pressurizing pipeline (22) and the oil exploitation cavity are both provided with pressurizing one-way valves (8) which can only be conducted towards the direction of the oil exploitation cavity;
the intermittent pressurizing system (3) further comprises a mounting plate (36) fixedly connected to the frame body (61), a limiting frame (35) connected to the mounting plate (36) and in one-to-one correspondence with the pressurizing sleeve (31), and a second piston (34) fixedly connected to the bottom of the limiting frame (35) and in sealing sliding connection with the inside of the pressurizing sleeve (31), wherein the second piston (34) is arranged above the first piston (32), the movable rod (33) penetrates through and is in sliding connection with the second piston (34), the movable rod (33) is hinged with a driving rod (38), one end, far away from the movable rod (33), of the driving rod (38) is hinged to a crank throw of a crankshaft (37), and the first piston (32) is provided with a one-way valve (39) which can only be conducted downwards;
be provided with linkage loading mechanism (65) between bent axle (37) and first bull stick (62), linkage loading mechanism (65) are including rotating second bull stick (652) that connects in organism (1) and be perpendicular with first bull stick (62), first bevel gear group (651) that the transmission is connected between first bull stick (62) and second bull stick (652), second bevel gear group (656) that the transmission is connected between second bull stick (652) and bent axle (37), bearing connecting seat (654) fixedly connected in support body (61) and sliding connection in second bull stick (652), second bull stick (652) drive bent axle (37) through second bevel gear group (656) and rotate, bearing connecting seat (654) drive second bevel gear group (656) along second bull stick (652) axial displacement.
2. A pressurizing apparatus for oil production according to claim 1, characterized in that: the pressurizing channel (2) further comprises a third pressurizing pipeline (23) arranged between the first pressurizing pipeline (21) and the second pressurizing pipeline (22), and sealing isolation layers are arranged among the first pressurizing pipeline (21), the second pressurizing pipeline (22) and the third pressurizing pipeline (23);
the linkage lifting mechanism further comprises an auxiliary pressurizing system (64) used for pressurizing the interior of a third pressurizing pipeline (23), wherein the auxiliary pressurizing system (64) comprises a pressurizing groove (648) communicated with the third pressurizing pipeline (23), a third piston (647) hermetically and slidably connected into the pressurizing groove (648), two parallel lifting plates (644) driving the third piston (647) to lift, a sleeve rod (642) fixedly installed on the machine body (1) and slidably connected with the lifting plates (644), a spring connecting seat (645) elastically connected between the two lifting plates (644), a spring (646) sleeved outside the sleeve rod (642) and arranged between the machine body (1) and the lifting plates (644) positioned at the bottom, and a gear set (649) driving the lifting plates (644) to lift, and the gear set (649) is driven by a first rotating rod (62); and a pressurizing one-way valve (8) which can only be communicated towards the direction of the oil exploitation cavity is also arranged at the joint of the third pressurizing pipeline (23) and the oil exploitation cavity, and a medium channel (10) is arranged on the third pressurizing pipeline (23).
3. A pressurizing apparatus for oil production according to claim 1, characterized in that: the frame body (61) is provided with pinch rollers (611) corresponding to the cams (63) one by one at the top, and the pinch rollers (611) abut against the outer wall of the cams (63).
4. A pressurizing apparatus for oil production according to claim 1, characterized in that: two sets of the edge at pressurization sleeve (31) top is equipped with annular blotter (40), and annular blotter (40) and mounting panel (36) bottom laminating adaptation, and is two sets of spacing frame (35) are column frame structure and with pressurization sleeve (31) cooperation of pegging graft.
5. A pressurizing apparatus for oil production according to claim 2, characterized in that: the gear set (649) comprises a first gear (6491) coaxially and fixedly connected to the first rotating rod (62), a transmission gear (6492) meshed with the first gear (6491) and rotatably connected to the machine body (1), and a second gear (6493) meshed with the transmission gear (6492) and rotatably connected to the machine body (1), wherein a connecting rod (643) is arranged between the second gear (6493) and the lifting plate (644) above the second gear.
6. A pressurizing apparatus for oil production according to claim 1, characterized in that: the inner ring of the bearing connecting seat (654) is rotatably connected with a connecting sleeve (655), the connecting sleeve (655) is connected to the outer wall of the second rotating rod (652) in a sliding manner, the second rotating rod (652) is provided with a through groove (68) along the axial direction of the second rotating rod, the second bevel gear set (656) comprises a transmission bevel gear (6561) coaxially and fixedly connected to the end part of the connecting sleeve (655) and a linkage bevel gear (6562) coaxially and fixedly connected to the end part of the crankshaft (37), and the connecting sleeve (655) is fixedly connected with a guide block (69) which is connected with the through groove (68) in a sliding manner.
7. A pressurizing apparatus for oil production according to claim 2, characterized in that: the machine body (1) is provided with a control panel, the control panel is electrically connected with the driver (5), and one side of the third pressurizing pipeline (23) is provided with a pressure release valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210279270.5A CN114352245B (en) | 2022-03-22 | 2022-03-22 | Pressurizing device for oil exploitation |
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| CN202210279270.5A CN114352245B (en) | 2022-03-22 | 2022-03-22 | Pressurizing device for oil exploitation |
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| CN114352245B true CN114352245B (en) | 2022-06-03 |
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| CN114352245A (en) | 2022-04-15 |
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