CN109555504B - Beam-pumping unit walking beam slides two counter weight devices - Google Patents
Beam-pumping unit walking beam slides two counter weight devices Download PDFInfo
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- CN109555504B CN109555504B CN201910075831.8A CN201910075831A CN109555504B CN 109555504 B CN109555504 B CN 109555504B CN 201910075831 A CN201910075831 A CN 201910075831A CN 109555504 B CN109555504 B CN 109555504B
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- fixedly connected
- pulley
- walking beam
- hook
- rod
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
- E21B43/127—Adaptations of walking-beam pump systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/14—Counterbalancing
Abstract
The invention discloses a beam-pumping unit walking beam sliding double-counterweight device, which comprises a bottom plate, wherein the right side of the top of the bottom plate is fixedly connected with a support, the support comprises a lower support frame, the top of the lower support frame is fixedly connected with an upper support frame, the top of the lower support frame is fixedly connected with a first connecting piece, the top of the upper support frame is fixedly connected with a second connecting piece, the second connecting piece is movably connected with a pull rod through a rotating shaft, one end of the pull rod, which is far away from the second connecting piece, is movably connected with a third connecting piece through a rotating shaft, the first connecting piece is movably connected with a walking beam through a rotating shaft, the right end of the walking beam is integrally provided with a horse head, the left side and the right side of the upper end of the walking beam are respectively fixedly connected with a first vertical plate and a second vertical plate, a slide bar is fixedly connected between the first vertical plate and the second vertical plate, and the left side and the right side of the vertical face of the walking beam are respectively symmetrically and fixedly connected with connecting blocks. The invention has reasonable structure, good energy-saving effect and low manufacturing cost, and is suitable for popularization and application.
Description
Technical Field
The invention relates to the field of petroleum extraction machinery, in particular to a beam-pumping unit walking beam sliding double-counterweight device.
Background
The conventional beam pumping unit is used for oil extraction in oil field development, the balance structure adopts a crank and balance weight balance mode, the structure is simple and durable, but the oil layer at the bottom of a thick oil block is complex, the diversity of oil displacement modes determines that the load at a wellhead is continuously changed, the unadjustable balance mode can meet the unbalance of the load and balance part in the oil extraction process, and the unaware is not easy to perceive, the burden of a motor is increased in an intangible way, so that the energy consumption is greatly increased, and the equipment such as the motor, a belt, a power distribution system and the like is extremely fragile. Even when manual adjustment is needed, the crane, gas welding and the like are matched, potential safety hazards are easy to occur, the phenomenon that a balance weight slides off during installation such as gap operation occurs, and the situations such as casualties, turning and pumping occur. The device can not be regulated at night in rainy days to ensure that the equipment can only stop the well, thereby causing certain economic loss. Forced start-up can also cause equipment damage. Therefore, the unadjustability of the existing balance mode also becomes a great disadvantage, the oilfield pays attention to energy conservation gradually, an auxiliary scheme of the sliding double-counterweight device on the walking beam is developed through the attack, a new scheme is provided for oil extraction energy conservation, and the sliding double-counterweight device of the walking beam of the oil pumping unit is provided for solving the problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the beam sliding double-counterweight device of the pumping unit, which has the advantages of improving the energy-saving effect of the pumping unit, reducing the burden of a motor, improving the safety coefficient, prolonging the service life of equipment and the like, and solves the problems that the burden of the motor in the prior equipment is large, thereby greatly increasing the energy consumption and the equipment such as the motor, a belt, a power distribution system and the like is extremely easy to damage.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the beam-pumping unit walking beam sliding double-counterweight device comprises a bottom plate, a support is fixedly connected to the right side of the top of the bottom plate, the support comprises a lower support frame, an upper support frame is fixedly connected to the top of the lower support frame, a first connecting piece is fixedly connected to the top of the lower support frame, a second connecting piece is fixedly connected to the top of the upper support frame, a pull rod is movably connected to the second connecting piece through a rotating shaft, one end of the pull rod, which is far away from the second connecting piece, is movably connected with a third connecting piece through the rotating shaft, the first connecting piece is movably connected with a walking beam through the rotating shaft, the right end of the walking beam is integrally provided with a horsehead, a first vertical plate and a second vertical plate are fixedly connected to the left side and the right side of the upper end of the walking beam respectively, a slide bar II is fixedly connected between the first vertical plate and the second vertical plate, connecting blocks are symmetrically and fixedly connected to the left and right sides of the front and rear vertical surfaces of the walking beam respectively, a first slide bar is fixedly connected between two connecting blocks on vertical faces on the front side and the rear side of the walking beam, a first round slide rail is symmetrically and fixedly connected on the front side and the rear side of the right side of the top end of the walking beam, a tail end weight box is movably connected to the left end of the walking beam, generators are fixedly connected to the front side and the rear side of the inside of the tail end weight box respectively, power generation pulleys are fixedly connected between power input ends of the two generators, grooves matched with the slide bars are formed in the surfaces of the power generation pulleys, open grooves matched with the walking beam are formed in the bottom end of the tail end weight box, pulleys are movably connected to the front side and the rear side of the open grooves through rotating shafts respectively, grooves matched with the first slide bar are formed in the surfaces of the pulleys, a movable rod assembly is fixedly connected to the right side of the tail end weight box and comprises pull blocks, the left end of the pull block is movably hinged with the tail end weight box through a connecting piece, the right end of the pull block is fixedly connected with a pull plate, the front end and the rear end of a right vertical surface of the pull plate are respectively fixedly connected with a support rod, the top right ends of the two support rods are respectively fixedly connected with a collision block through two support round rods, the two collision blocks are staggered, one end of the support rod, which is far away from the pull plate, is fixedly connected with a pushing block, the front side and the rear side of the bottom of the pushing block are respectively movably connected with a pulley II, the right end of the movable rod assembly is movably connected with a movable box body, the upper end of the movable box body is provided with a through groove, the inner bottom end of the movable box body is symmetrically and fixedly connected with a round slide rail II positioned at the two sides of the through groove, the front and the rear sides of the bottom end of the movable box body are symmetrically and movably connected with two pulleys III, the right vertical surface of the movable box body is symmetrically and fixedly connected with two fixing blocks, the pushing block is movably arranged in the movable box body, the length dimension of the pushing block is larger than the width dimension of the through groove, the two pulleys are respectively and movably arranged on the two circular sliding rails II, the right side of the top of the walking beam is fixedly connected with a hook assembly, the hook assembly comprises two connecting frames, the bottom ends of the two connecting frames are respectively and fixedly connected with the front side and the rear side of the top of the walking beam, the top of the connecting frame on the left side of the hook assembly is fixedly connected with a first L-shaped connecting rod, the two connecting frames are respectively and fixedly connected with a first transverse plate and a second transverse plate, one side of the first transverse plate is movably connected with a first hook through a rotating shaft, one side of the second transverse plate is movably connected with a movable plate through a rotating shaft, the lower end of the movable plate is movably connected with a first connecting rod through a rotating shaft, the first end of the connecting rod far away from the movable plate is movably connected with a second hook through a rotating shaft, the second hook is movably connected with a fixed rod through the rotating shaft, the left end of the fixed rod is fixedly connected with a second L-shaped connecting rod, the right end of the fixed rod is fixedly connected with a third L-shaped connecting rod, a second tension spring is fixedly connected between the third L-shaped connecting rod and the second hook, the bottom end of the second L-shaped connecting rod is fixedly connected with a walking beam, a fixed block at the right end of the movable box body is movably hinged with a front end weight box through a connecting piece, the top end of the front end weight box is provided with a hook groove matched with the first hook and the second hook, the bottom end of the front end weight box is provided with an open groove matched with the walking beam, the front side and the rear side of the top of the open groove are respectively and symmetrically movably connected with a pulley IV through the rotating shaft, the four surfaces of the pulley are provided with grooves matched with a round sliding rail I, the front side and the rear side of the opening groove at the bottom end of the front end weight box are respectively and symmetrically and movably connected with a pulley five through a rotating shaft, the surface of the pulley five is provided with a groove matched with a slide bar one, the left side of the top end of the bottom plate is fixedly connected with a base one, the top end of the base one is fixedly connected with a motor, the power output shaft of the motor is fixedly connected with a belt pulley one, the top end of the bottom plate is positioned between the base one and a bracket and is fixedly connected with a base two, the top end of the base two is fixedly connected with a reduction gearbox, the power input shaft of the reduction gearbox is fixedly connected with a belt pulley two, the belt pulley one is connected with the belt pulley two through a belt, the power output shaft of the reduction gearbox is fixedly connected with a connecting rod one, one end of the connecting rod one end far away from the reduction gearbox is movably connected with a connecting rod two through the rotating shaft, one end of the second connecting rod, which is far away from the first connecting rod, is movably hinged to the bottom end of the walking beam through a connecting piece.
Preferably, the second sliding rod penetrates through the tail end weight box, the second sliding rod is movably overlapped with the power generation pulley, a through hole with the size larger than that of the second sliding rod and the power generation pulley is formed in the tail end weight box in a penetrating mode, and the first pulley is movably overlapped with the first sliding rod.
Preferably, the second pulley is provided with a groove matched with the second circular sliding rail, and the second pulley is movably overlapped with the second circular sliding rail.
Preferably, the third pulley is provided with a groove matched with the first circular sliding rail, and the third pulley is movably overlapped with the first circular sliding rail.
Preferably, the pulley IV is movably overlapped with the circular sliding rail I, and the pulley V is movably overlapped with the sliding rod I.
Preferably, the second slide bar and the first connecting bar penetrate through the front-end weight box respectively, and through holes with the size larger than that of the second slide bar and the first connecting bar are formed in the front-end weight box respectively.
Preferably, a reinforcing support block is fixedly connected between the inner side of one middle part of the sliding rod and the vertical face of the walking beam.
Preferably, the bottom ends of the vertical plate at the left side of the first hook and the movable plate are respectively and movably connected with rollers, the vertical central axis of the first tension spring and the vertical central axis of the vertical plate at the left side of the first hook are on the same straight line, and the vertical central axis of the second tension spring and the vertical central axis of the vertical plate at the right side of the second hook are on the same straight line.
(III) beneficial effects
Compared with the prior art, the invention provides the beam-pumping unit sliding double-counterweight device, which has the following beneficial effects:
according to the invention, the tail end weight box and the front end weight box are arranged to regulate the momentum balance of oil extraction of the oil pumping unit by the displacement synchronous with the up and down of the oil pumping unit, so that the energy saving effect of the oil pumping unit is improved, the burden of a motor is reduced, the safety coefficient is improved, the service life of equipment is prolonged, and the generator is arranged in the tail end weight box to fully utilize the kinetic energy.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of a walking beam of the present invention;
FIG. 3 is a schematic view of the left end portion of the walking beam of the present invention;
FIG. 4 is a schematic view of a part of the middle part of the walking beam of the present invention;
FIG. 5 is a schematic view of the right end portion of the walking beam of the present invention;
FIG. 6 is a schematic view of the structure of the walking beam of the present invention;
FIG. 7 is a top view of the walking beam structure of the present invention;
FIG. 8 is a schematic view of the tail weight box of the present invention;
FIG. 9 is a right side view of the tail end weigh bin structure of the present invention;
FIG. 10 is a schematic view of a movable bar assembly according to the present invention;
FIG. 11 is a top view of the movable bar assembly of the present invention;
FIG. 12 is a schematic view of the structure of the movable case of the present invention;
FIG. 13 is a top view of the movable case structure of the present invention;
FIG. 14 is a side cross-sectional view of the structure of the movable housing of the present invention;
FIG. 15 is a schematic view of a hook assembly of the present invention;
FIG. 16 is a top view of the hook assembly of the present invention;
FIG. 17 is a schematic view of a connecting frame structure according to the present invention;
FIG. 18 is a schematic view of the front end weight box structure of the present invention;
FIG. 19 is a left side view of the front end weigh bin structure of the present invention;
FIG. 20 is a schematic view of a stent structure according to the present invention;
FIG. 21 is a side view of a bracket of the present invention;
FIG. 22 is a diagram showing the motion state of the present invention;
FIG. 23 is a diagram of the motion state II of the present invention;
FIG. 24 is a diagram III illustrating the motion state of the present invention;
fig. 25 is a motion state diagram iv of the present invention.
In the figure: 1-bottom plate, 2-bracket, 201-lower support, 202-upper support, 203-first connector, 204-second connector, 3-pull rod, 4-third connector, 5-walking beam, 501-horsehead, 502-first riser, 503-first slide bar, 504-second riser, 505-second slide bar, 506-connecting block, 507-first circular slide rail, 508-reinforcing support block, 6-tail weight box, 601-generator, 602-power generation pulley, 603-first pulley, 7-movable rod assembly, 701-pull block, 702-pull plate, 703-support rod, 704-support round rod, 705-strike block, 706-push block, 707-second pulley, 8-movable box, 801-through slot 802-round sliding rail II, 803-pulley III, 804-fixed block, 9-hook assembly, 901-connecting frame, 902-first L-shaped connecting rod, 903-cross plate I, 904-cross plate II, 905-first hook, 906-first tension spring, 907-movable plate, 908-connecting rod I, 909-second hook, 910-fixed rod, 911-second L-shaped connecting rod, 912-third L-shaped connecting rod, 913-second tension spring, 914-roller, 10-front end weight box, 1001-hook groove, 1002-pulley IV, 1003-pulley V, 11-base I, 12-motor, 1201-pulley I, 13-base II, 14-reduction box, 1401-pulley II, 15-connecting rod I, 16-second connecting rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-25, a beam-pumping unit walking beam sliding double-counterweight device comprises a bottom plate 1, wherein a support 2 is fixedly connected to the right side of the top of the bottom plate 1, the support 2 comprises a lower support frame 201, an upper support frame 202 is fixedly connected to the top of the lower support frame 201, a first connecting piece 203 is fixedly connected to the top of the lower support frame 201, a second connecting piece 204 is fixedly connected to the top of the upper support frame 202, a pull rod 3 is movably connected to the second connecting piece 204 through a rotating shaft, a third connecting piece 4 is movably connected to one end of the pull rod 3 far away from the second connecting piece 204 through the rotating shaft, a walking beam 5 is movably connected to the first connecting piece 203 through the rotating shaft, a horsehead 501 is integrally arranged at the right end of the walking beam 5, a first vertical plate 502 and a second vertical plate 504 are fixedly connected to the left side and the right side of the upper end of the walking beam 5 respectively, a second sliding rod 505 is fixedly connected between the first vertical plate 502 and the second vertical plate 504, the left and right ends of the front and back side vertical surfaces of the walking beam 5 are respectively and symmetrically and fixedly connected with a connecting block 506, a slide bar I503 is respectively and fixedly connected between the two connecting blocks 506 on the front and back side vertical surfaces of the walking beam 5, a round slide rail I507 is respectively and fixedly connected with the right side of the top end of the walking beam 5, the left end of the walking beam 5 is movably connected with a tail end weight box 6, the front and back sides of the inside of the tail end weight box 6 are respectively and fixedly connected with a generator 601, a power generation pulley 602 is fixedly connected between the power input ends of the two generators 601, grooves matched with the slide bar II 505 are formed on the surfaces of the power generation pulley 602, the power generation pulley 602 is mutually matched with the slide bar II 505, when the power generation pulley 602 rotates, power can be input into the generator 601, the generator 601 is a low-speed generator, the power input by the power generation pulley 602 can be changed into electric energy, for use, the bottom end of the tail weight box 6 is provided with an open slot matched with the walking beam 5, the front side and the rear side of the bottom of the tail weight box 6 positioned at the open slot are respectively and movably connected with a pulley I603 through a rotating shaft, the surface of the pulley I603 is provided with a groove matched with a slide bar I503, the right side of the tail weight box 6 is fixedly connected with a movable rod assembly 7, the movable rod assembly 7 comprises a pull block 701, the left end of the pull block 701 is movably hinged with the tail weight box 6 through a connecting piece, the right end of the pull block 701 is fixedly connected with a pull plate 702, the front end and the rear end of the right side vertical surface of the pull plate 702 are respectively and fixedly connected with a supporting rod 703, the right ends of the tops of the two supporting rods 703 are respectively and fixedly connected with a collision block 705 through two supporting round rods 704, the two collision blocks 705 are arranged in a staggered manner so as to be convenient for pushing a roller 914 at the arranged position, the support bar 703 is fixedly connected with a pushing block 706 at one end far away from the pull plate 702, two pulleys two 707 are respectively and movably connected at the front side and the rear side of the bottom of the pushing block 706, the right end of the movable bar assembly 7 is movably connected with a movable box body 8, a through groove 801 is formed at the upper end of the movable box body 8, two circular slide rails two 802 positioned at two sides of the through groove 801 are symmetrically and fixedly connected at the inner bottom end of the movable box body 8, two pulleys three 803 are symmetrically and movably connected at the front side and the rear side of the bottom end of the movable box body 8, two fixing blocks 804 are symmetrically and fixedly connected on the right side elevation of the movable box body 8, the pushing block 706 is movably arranged inside the movable box body 8, the length dimension of the pushing block 706 is larger than the width dimension of the through groove 801, the pushing block 706 can move inside the movable box body 8, and can push or pull the movable box body 8 from the inside the movable box body 8 to move on the walking beam 5, the two pulleys two 707 are respectively and movably arranged on the two circular slide rails two 802, a pushing block 706 can flexibly move in a movable box 8, a hook assembly 9 is fixedly connected to the right side of the top of the walking beam 5, the hook assembly 9 comprises two connecting frames 901, the bottom ends of the two connecting frames 901 are respectively and fixedly connected to the front side and the rear side of the top of the walking beam 5, a first L-shaped connecting rod 902 is fixedly connected to the top of the connecting frame 901 on the left side of the hook assembly 9, a diaphragm one 903 and a diaphragm two 904 are respectively and fixedly connected between the two connecting frames 901, a first hook 905 is movably connected to one side of the diaphragm one 903 through a rotating shaft, a first tension spring 906 is fixedly connected between the first L-shaped connecting rod 902 and the first hook 905, a movable plate 907 is movably connected to one side of the diaphragm two 904 through a rotating shaft, the lower end of the movable plate 907 is movably connected with a first connecting rod 908 through a rotating shaft, one end of the first connecting rod 908 far away from the movable plate 907 is movably connected with a second hook 909 through a rotating shaft, the second hook 909 is movably connected with a fixed rod 910 through a rotating shaft, the left end of the fixed rod 910 is fixedly connected with a second L-shaped connecting rod 911, the right end of the fixed rod 910 is fixedly connected with a third L-shaped connecting rod 912, a second tension spring 913 is fixedly connected between the third L-shaped connecting rod 912 and the second hook 909, the bottom end of the second L-shaped connecting rod 911 is fixedly connected with a walking beam 5, a fixed block 804 at the right end of the movable box 8 is movably hinged with a front end weight box 10 through a connecting piece, the top end of the front end weight box 10 is provided with a hook groove 1001 matched with the first hook 905 and the second hook 909, the bottom end of the front end weight box 10 is provided with an opening groove matched with the walking beam 5, the front side and the rear side of the top of the open slot are respectively and symmetrically movably connected with a pulley IV 1002 through a rotating shaft, a groove matched with a circular sliding rail I507 is formed in the surface of the pulley IV 1002, a pulley V1003 is respectively and symmetrically movably connected to the front side and the rear side vertical face of the open slot at the bottom end of the front end weight box 10 through the rotating shaft, a groove matched with a slide rod I503 is formed in the surface of the pulley V1003, a base I11 is fixedly connected to the left side of the top end of the bottom plate 1, a motor 12 is fixedly connected to the top end of the base I11, a belt pulley I1201 is fixedly connected to a power output shaft of the motor 12, a base II 13 is fixedly connected to a reduction box 14 between the base I11 and a bracket 2, a belt pulley II 1401 is fixedly connected to the power input shaft of the reduction box 14 through a belt, a connecting rod I15 is fixedly connected to the power output shaft of the reduction box 14, a connecting rod I15 is movably connected to one end of the connecting rod I15, which is far away from the reduction box 14, a connecting rod II 16 is movably connected to one end of the connecting rod II is hinged to one end of the connecting rod II 5, which is far away from the bottom end of the connecting rod II 15 through a connecting rod II.
The second slide bar 505 penetrates through the tail end weight box 6, the second slide bar 505 is movably lapped with the power generation pulley 602, the second slide bar 505 is convenient to drive the power generation pulley 602 to rotate through friction force, a through hole with the size larger than that of the second slide bar 505 and the power generation pulley 602 is formed in the tail end weight box 6, the tail end weight box 6 is convenient to move, the power generation pulley 602 is convenient to rotate at the same time, the first pulley 603 is movably lapped with the first slide bar 503, and the first pulley 603 is convenient to rotate.
The second pulley 707 is provided with a groove matched with the second circular slide rail 802, and the second pulley 707 is movably overlapped with the second circular slide rail 802, so that the pushing block 706 can flexibly move in the movable box 8.
The third pulley 803 is provided with a groove matched with the first circular slide rail 507, and the third pulley 803 is movably overlapped with the first circular slide rail 507, so that the movable box 8 can flexibly move on the walking beam 5.
The fourth pulley 1002 is movably lapped with the first circular slide rail 507, the fifth pulley 1003 is movably lapped with the first slide rail 503, and the front end weight box 10 can flexibly move on the walking beam 5.
The second slide bar 505 and the first connecting bar 908 respectively penetrate through the front end weight box 10, and through holes with a size larger than that of the second slide bar 505 and the first connecting bar 908 are respectively formed in the front end weight box 10, so that the front end weight box 10 is not blocked by the second slide bar 505 and the first connecting bar 908 when moving on the walking beam 5.
A reinforcing support block 508 is fixedly connected between the inner side of the middle part of the first slide rod 503 and the vertical surface of the walking beam 5, and the reinforcing support block 508 can well support the first slide rod 503.
The bottom of the riser on the left side of the first couple 905 and the bottom of the movable plate 907 are respectively movably connected with a roller 914, the roller 914 is convenient to smoothly contact with the collision block 705, the vertical central axis of the first tension spring 906 and the vertical central axis of the riser on the left side of the first couple 905 are on the same straight line, the vertical central axis of the second tension spring 913 and the vertical central axis of the riser on the right side of the second couple 909 are on the same straight line, the first tension spring 906 and the second tension spring 913 can vertically pull the riser on the left side of the first couple 905 and the riser on the right side of the second couple 909 to the upper side, and the first couple 905 and the second couple 909 can reset after rotating conveniently.
The principle and the advantages of the invention are that: the utility model provides a beam-pumping unit walking beam slides two counter weights device, in the whole equipment operation process, motor 12 passes through the belt and drives the belt pulley second on the reducing gear box and rotate, belt pulley second is with power input shaft input to reducing gear box 14, reducing gear box 14 is with power output shaft output thereof, the power output shaft of reducing gear box 14 drives connecting rod one 15 clockwise rotation, connecting rod one 15 drives connecting rod two 16 motion, connecting rod two 16 drives walking beam 5 and makes reciprocating swing on the pivot of connecting piece one 203 department, the main function of whole equipment in actual use is that is connected with the sucker rod in the oil well through horse head 501 department, when walking beam 5 reciprocating swing, drive the sucker rod through horse head 501 and pump up and down in the oil well, realize pumping work (this is the basic technology of current oil field pumping work, under the circumstances that does not influence this patent structure clearly complete, not described in detail), when the horsehead 501 is at the bottom dead center (fig. 22), the tail weight box 6 is at the leftmost end of the walking beam 5, the front weight box 10 is hooked by the first hook 905 to the hook groove 1001, when the horsehead 501 moves upward from below, the pull rod 3 pulls the tail weight box 6 rightward, the tail weight box 6 moves rightward on the walking beam 5 and pushes the movable bar assembly 7 to move rightward, the push block 706 moves rightward in the movable box 8 until the bump block 705 on the rear support bar 703 on the movable bar assembly 7 hits the roller 914 at the bottom end of the first hook 905, the first hook 905 is tilted to release the front weight box 10, after the front weight box 10 is unhooked, the push block 706 moves rightward a small distance, the right side wall of the push block 706 contacts the movable box 8 and pushes the right side inner wall of the movable box 8, the front weight box 10 is pushed by the movable box body 8 to slide towards the horsehead 501 at the front end of the walking beam 5 (fig. 23), the upper right end of the front weight box 10 moves towards the second hook 909, the upper right end of the front weight box 10 is contacted with the second hook 909, the contact part of the second hook 909 and the front weight box 10 is arc-shaped, after the arc-shaped part of the second hook 909 contacts the front weight box 10, the second hook 909 springs up, after the front weight box 10 continues to move forwards, the second hook 909 enters the hook groove 1001, and the second hook 909 is reset under the action of the second tension spring 913 and is hung on the inner wall of the hook groove 1001, and at the moment, the horsehead 501 is at the top dead center (fig. 24), and the two collision blocks 705 are also positioned on the right sides of the first hook 905 and the movable plate 907; when the horse head 501 moves downwards from top to bottom, the pull rod 3 drives the tail end weight box 6 to move leftwards on the walking beam 5, the tail end weight box 6 pulls the movable rod assembly 7 to move leftwards, the pushing block 706 on the movable rod assembly 7 moves leftwards in the movable box 8 until the collision block 705 on the front side supporting rod 703 on the movable rod assembly 7 hits the roller 914 at the bottom end of the movable plate 907, the movable plate 907 rotates leftwards on the transverse plate 904 around the rotating shaft, meanwhile, the second hook 909 is pulled to rotate on the fixed rod 910 through the first connecting rod 908, the hook at the left end of the second hook 909 is lifted, the second hook 909 is unhooked from the hook groove 1001, the front end weight box 10 is released, after the front end weight box 10 is unhooked, the left side wall of the pushing block 706 contacts with the left side inner wall of the movable box 8 after a small distance of leftward movement, and pulls the left side inner wall of the movable box 8, the front weight box 10 is pulled by the movable box 8 to slide towards the left end of the walking beam 5 (fig. 25), the left upper end of the front weight box 10 moves towards the first hook 905, the left upper end of the front weight box 10 contacts with the first hook 905, the contact part of the right end of the first hook 905 with the front weight box 10 is arc-shaped, after the arc-shaped part of the first hook 905 contacts with the front weight box 10, the first hook 905 bounces, after the front weight box 10 continues to move leftwards, the first hook 905 enters into the hook groove 1001, under the action of the first tension spring 906, the first hook 905 is reset and is hung on the inner wall of the hook groove 1001, at this time, the horsehead 501 at the front end of the walking beam 5 is at the bottom dead center (fig. 22), under the driving of the power of the motor 12, the first connecting rod 15 drives the second connecting rod 16 to move, the second connecting rod 16 drives the walking beam 5 to reciprocate on the rotating shaft at the first connecting piece 203, the tail weight box 6 and the front weight box 10 reciprocate on the walking beam 5 to do left-right sliding movement.
To sum up, the simple and safe structure is used, the power consumption is not increased, the effect of reasonably balancing weights and reducing energy consumption in the whole process of ascending and descending of the pumping unit is completed, the horsehead 501 is at the bottom dead center and needs to move upwards, the walking beam 5 swings and commutates at the moment, the load at the front horsehead 501 is increased, the tail weight box 6 is at the left tail end of the most walking beam 5, the front weight box 10 is stopped at the first hook 905 far away from the horsehead 501, the tail weight horsehead 501 is light, and the motor 12 has an energy-saving effect when the horsehead 501 is in the ascending; along with the upward movement of the horsehead 501, the horsehead 501 becomes lighter, at this moment, the tail end weight box 6 moves to the right side of the walking beam 5, under the pushing of the movable rod assembly 7 and the movable box body 8, the front end weight box 10 slowly moves to the horsehead 501, the balance weight effect of the horsehead 501 is achieved, when the horsehead 501 is positioned at the top dead center, the horsehead 501 is lightest, meanwhile, the walking beam 5 swings and commutates, the tail end weight box 6 is positioned in the middle of the walking beam 5, the movable rod assembly 7 and the movable box body 8 push the front end weight box 10 to the front end horsehead 501 of the walking beam 5, at this moment, the lightest horsehead 501 can be balanced, when the horsehead 501 is in downward movement, the motor 12 achieves the energy-saving effect, so reciprocating, the loss of equipment such as a motor 12, a belt, a power distribution system and the like of the pumping unit can be greatly reduced, the impact on a power grid is relieved, the distribution box is stable in operation, the torque force of the reduction box 14 of the pumping unit, the torque force of the electric 12 machine is reduced, the load of a crank pin and a tail shaft is prolonged, the mechanical yield and the safety coefficient are improved, the energy-saving effect is achieved, the tail end weight box 10 is arranged in the tail end weight box 6, the power generator is arranged in the power generator is low, the power generator is matched with the tail end weight box 6, the power generator is well 602, and the power generation effect is achieved, and the power generation efficiency is reasonable is achieved, and the power generation efficiency is achieved, and the advantages is reasonable, and the use of a reasonable and is convenient by using a power-saving structure.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a beam-pumping unit walking beam slides double counter weight device, includes bottom plate (1), its characterized in that: the utility model discloses a connecting device for a floor, which comprises a bottom plate (1), a support (2) is fixedly connected with on the top right side of bottom plate (1), support (2) includes lower carriage (201), the top fixedly connected with upper bracket (202) of lower carriage (201), the top fixedly connected with connecting piece one (203) of lower carriage (201), the top fixedly connected with connecting piece two (204) of upper bracket (202), connecting piece two (204) are through pivot swing joint there being pull rod (3), one end that connecting piece two (204) were kept away from to pull rod (3) is through pivot swing joint there being connecting piece three (4), connecting piece one (203) are through pivot swing joint there being walking beam (5), the right-hand member of walking beam (5) is integrative to be equipped with horsehead (501), the upper end left and right sides of walking beam (5) are fixedly connected with riser one (502) and riser two (504) respectively, fixedly connected with two (505) between riser two (504) between the top fixedly connected with slide bar two (506) of walking beam (5) front and back side respectively, the two ends of walking beam (5) are symmetrical (506) are two front and back connecting piece (506) are connected with round connecting piece (506) front and back connecting piece (507) respectively, the left end of the walking beam (5) is movably connected with a tail end weight box (6), the front side and the rear side of the inside of the tail end weight box (6) are respectively fixedly connected with a generator (601), a power generation pulley (602) is fixedly connected between the power input ends of the two generators (601), grooves matched with slide bars II (505) are formed in the surfaces of the power generation pulleys (602), an opening groove matched with the walking beam (5) is formed in the bottom end of the tail end weight box (6), a pulley I (603) is movably connected to the front side and the rear side of the opening groove through a rotating shaft respectively, grooves matched with the slide bars I (503) are formed in the surfaces of the pulley I (603), a movable rod assembly (7) is fixedly connected to the right side of the tail end weight box (6), the movable rod assembly (7) comprises a pull block (701), the left end of the pull block (701) is movably hinged with the tail end weight box (6) through a connecting piece, right end fixing plates of the pull block (701) are fixedly connected with right end fixing plates (702), the two ends of the two end fixing plates (703) are respectively staggered, the two ends of the two end fixing plates (703) are respectively fixedly connected with two support rods (703), one end fixedly connected with pushing block (706) of arm-tie (702) is kept away from to bracing piece (703), both sides are swing joint respectively around the bottom of pushing block (706) have pulley two (707), the right-hand member swing joint of movable rod assembly (7) has movable box (8), logical groove (801) have been seted up to the upper end of movable box (8), the inside bottom symmetry fixedly connected with of movable box (8) is located circular slide rail two (802) of logical groove (801) both sides, symmetrical swing joint has two pulley three (803) around the bottom left side of movable box (8), symmetrical fixedly connected with two fixed blocks (804) on the right side facade of movable box (8), pushing block (706) activity sets up inside movable box (8) to the length size of pushing block (706) is greater than the width size of logical groove (801), two pulley two (707) are the activity sets up respectively on two circular slide rail two (802), the top fixedly connected with two slide rail two (901) of walking beam (5) are connected with one side of hanging hook (9), two top (901) are connected with one side of hanging hook (901) respectively, two top (901) are connected with one side (9) of hanging hook (9) respectively, two side (901) are connected with one side (9) respectively, a first transverse plate (903) and a second transverse plate (904) are respectively and fixedly connected between the two connecting frames (901), a first hook (905) is movably connected to one side of the first transverse plate (903) through a rotating shaft, a first tension spring (906) is fixedly connected between the first L-shaped connecting rod (902) and the first hook (905), a movable plate (907) is movably connected to one side of the second transverse plate (904) through a rotating shaft, a first connecting rod (908) is movably connected to the lower end of the movable plate (907) through a rotating shaft, a second hook (909) is movably connected to one end of the first connecting rod (908) far away from the movable plate (907) through a rotating shaft, a fixed rod (910) is movably connected to the second hook (909) through a rotating shaft, a second L-shaped connecting rod (911) is fixedly connected to the left end of the fixed rod (910), a second tension spring (912) is fixedly connected to the right end of the fixed rod (910), a second tension spring (907) is fixedly connected between the third L-shaped connecting rod (912) and the second hook (909), a weight box (913) is fixedly connected to the bottom end of the second L-shaped connecting rod (912) through a movable box (8), the front end weight box (10) is provided with a hook groove (1001) matched with a first hook (905) and a second hook (909), the bottom end of the front end weight box (10) is provided with an opening groove matched with a walking beam (5), the front side and the rear side of the top of the opening groove are respectively and symmetrically movably connected with a pulley IV (1002) through a rotating shaft, the surface of the pulley IV (1002) is provided with a groove matched with a circular slide rail I (507), the front side and the rear side elevation of the opening groove at the bottom end of the front end weight box (10) are respectively and symmetrically movably connected with a pulley V (1003) through a rotating shaft, the surface of the pulley V (1003) is provided with a groove matched with a slide bar I (503), the left side of the top end of the bottom plate (1) is fixedly connected with a base I (11), the top end of the base I (11) is fixedly connected with a motor (12), the power output shaft of the motor (12) is fixedly connected with a pulley IV (1201), the top end of the bottom plate (1) is positioned between the base I (11) and the support (2), the top end of the base (13) is fixedly connected with a speed reduction pulley II (13) through a speed reduction box (13), the top end of the speed reduction box (13) is fixedly connected with the pulley II (14), a first connecting rod (15) is fixedly connected to the power output shaft of the reduction gearbox (14), one end, far away from the reduction gearbox (14), of the first connecting rod (15) is movably connected with a second connecting rod (16) through a rotating shaft, and one end, far away from the first connecting rod (15), of the second connecting rod (16) is movably hinged to the bottom end of the walking beam (5) through a connecting piece;
the second sliding rod (505) and the first connecting rod (908) respectively penetrate through the front-end weight box (10), and through holes with the size larger than that of the second sliding rod (505) and the first connecting rod (908) are respectively formed in the front-end weight box (10);
a reinforcing supporting block (508) is fixedly connected between the inner side of the middle part of the first sliding rod (503) and the vertical surface of the walking beam (5);
the bottom of the vertical plate on the left side of the first hook (905) and the bottom of the movable plate (907) are respectively and movably connected with a roller (914), the vertical central axis of the first tension spring (906) and the vertical central axis of the vertical plate on the left side of the first hook (905) are on the same straight line, and the vertical central axis of the second tension spring (913) and the vertical central axis of the vertical plate on the right side of the second hook (909) are on the same straight line.
2. The beam-pumping unit slide double-counterweight device according to claim 1, wherein: the second sliding rod (505) penetrates through the tail end weight box (6), the second sliding rod (505) is movably overlapped with the power generation pulley (602), a through hole with the size larger than that of the second sliding rod (505) and the power generation pulley (602) is formed in the tail end weight box (6), and the first pulley (603) is movably overlapped with the first sliding rod (503).
3. The beam-pumping unit slide double-counterweight device according to claim 1, wherein: and the pulley II (707) is provided with a groove matched with the circular sliding rail II (802), and the pulley II (707) is movably overlapped with the circular sliding rail II (802).
4. The beam-pumping unit slide double-counterweight device according to claim 1, wherein: the third pulley (803) is provided with a groove matched with the first circular slide rail (507), and the third pulley (803) is movably overlapped with the first circular slide rail (507).
5. The beam-pumping unit slide double-counterweight device according to claim 1, wherein: the fourth pulley (1002) is movably connected with the first circular sliding rail (507), and the fifth pulley (1003) is movably connected with the first sliding rail (503).
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| CN201910075831.8A CN109555504B (en) | 2019-01-25 | 2019-01-25 | Beam-pumping unit walking beam slides two counter weight devices |
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