CN109869294A - A kind of super high power Five-cylinder piston pump - Google Patents

A kind of super high power Five-cylinder piston pump Download PDF

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Publication number
CN109869294A
CN109869294A CN201910319527.3A CN201910319527A CN109869294A CN 109869294 A CN109869294 A CN 109869294A CN 201910319527 A CN201910319527 A CN 201910319527A CN 109869294 A CN109869294 A CN 109869294A
Authority
CN
China
Prior art keywords
crosshead
crankcase
reduction gearbox
cabinet
space
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910319527.3A
Other languages
Chinese (zh)
Inventor
崔海萍
刘红
王继鑫
崔文平
魏小淞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Original Assignee
Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yantai Jereh Petroleum Equipment and Technologies Co Ltd filed Critical Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Priority to CN201910319527.3A priority Critical patent/CN109869294A/en
Publication of CN109869294A publication Critical patent/CN109869294A/en
Priority to US16/834,419 priority patent/US20200332788A1/en
Priority to US16/874,811 priority patent/US20210301807A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • F04B1/0536—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders with two or more serially arranged radial piston-cylinder units
    • F04B1/0538—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders with two or more serially arranged radial piston-cylinder units located side-by-side
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0439—Supporting or guiding means for the pistons
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/006—Crankshafts
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/144—Adaptation of piston-rods
    • F04B53/146—Piston-rod guiding arrangements
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/144—Adaptation of piston-rods
    • F04B53/147—Mounting or detaching of piston rod
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a kind of super high power Five-cylinder piston pumps, including power end assembly, fluid end assembly and reduction gearbox assembly, power end assembly is designed using segmentation structure, including crankcase, crosshead cabinet and space-stop rack, one end of crosshead cabinet is connect with crankcase, the other end of crosshead cabinet is connect with space-stop rack, fluid end assembly is located at space-stop rack one end, pass through screw bolt passes space-stop rack, crosshead cabinet is connect with crankcase, reduction gearbox assembly is connect with crankcase, the intracorporal crankshaft of crankcase is forged using steel alloy, including six axle journals and five crank throws, a crank throw is set between two neighboring axle journal, the rotation center of crank throw and crankshaft distance is 110 to 160mm.The utility model has the advantages that a kind of super high power Five-cylinder piston pump, its rated input power is 5000hp, dimension plunger pump can not be matched to solve the problems, such as that electricity drives heavy-duty motor in pressure break, while also solving the contradiction that oil gas field well site condition is limited, more than fracturing unit matching.

Description

A kind of super high power Five-cylinder piston pump
Technical field
The present invention relates to the fields of oil gas drilling-production equipment, and in particular to a kind of super high power Five-cylinder piston pump.
Background technique
As oil gas field super-pressure, ultradeep well, horizontal well are continually developed, working condition is also more and more severe, it is desirable that High pressure, huge discharge operation, therefore the requirement to plunger pump is also higher and higher, separate unit fracturing unit can export high pressure, big Discharge capacity, this requires that plunger pump can high-power, high pressure output；Especially in unconventional oil and gas operation --- shale gas is made Industry, working condition is severe, needs long-time, huge discharge, high pressure operation, and the operation frequency is more frequent, therefore to pressure break Equipment requirement is higher and higher, and plunger pump is the core component in fracturing unit, therefore the requirement to plunger pump is also increasingly It is high；Emerging electricity drives fracturing work in recent years, using motor driven, motor can choose it is very high-power, such as: rated power can be with Reach 3000KW, 4000kw, 5000kw, 6000kw etc., but plunger pump is there are no so big specification, it is common currently on the market Fracturing pump mainly has 2800HP Five-cylinder piston pump, 3000HP three-cylinder plunger pump, 3300HP Five-cylinder piston pump, tri- cylinder plug of 4000HP Pump；2800HP Five-cylinder piston pump is mainly disposed on 2500 type fracturing unit trucks, and current 2500 type fracturing unit truck is most normal in fracturing work With, make more fracturing units；The disadvantage is that stand-alone device discharge capacity is low under high pressure operation；Ten are needed in shale gas operation Operation while several fracturing unit truck operations simultaneously are just able to satisfy the requirement, so more trolleys of total displacement in operation technique, can occupy Very big well site area, the contradiction being limited with oil gas field well site condition are especially prominent；4000HP three-cylinder plunger pump is disposed on On 3100HP fracturing unit truck, but 4000HP plunger pump is that three cylinder pump its discharge capacity ratio five cylinder pump of 2800HP are much lower, in identical plunger gauge Its discharge capacity is the 82.54% of five cylinder pump of 2800HP under lattice, identical spurt；If by 2800HP plunger pump and 4000HP plunger pump It is configured to electricity to drive on fracturing unit, can not embody the advantage that electricity drives pressure break, be equivalent to low load with strong power, therefore it is a to be badly in need of exploitation Powerful plunger pump drives fracturing unit to match emerging electricity.
Summary of the invention
The purpose of the present invention overcomes the deficiencies of the prior art and provide a kind of super high power Five-cylinder piston pump, specified input Power is 5000hp, can not match dimension plunger pump to solve the problems, such as that electricity drives heavy-duty motor in pressure break, while also solving Oil gas field well site condition of having determined is limited, the more contradiction of fracturing unit matching.
The purpose of the present invention is what is reached by following technical measures: a kind of super high power Five-cylinder piston pump, including power Assembly, fluid end assembly and reduction gearbox assembly are held, the power end assembly is designed using segmentation structure, including crankcase, One end of crosshead cabinet and space-stop rack, the crosshead cabinet is bolted with crankcase, the crosshead cabinet The other end be bolted with space-stop rack, fluid end assembly is located at space-stop rack one end, by screw bolt passes space-stop rack, Crosshead cabinet is connect with crankcase, and reduction gearbox assembly is connect by bolt with crankcase, the intracorporal song of crankcase Axis is forged using steel alloy, including six axle journals and five crank throws, sets a crank throw, the song between two neighboring axle journal Turning with the rotation center of crankshaft distance is 110 to 160mm.
Further, the input angle of the reduction gearbox assembly can be adjusted according to input requirements.
Further, the reduction gearbox assembly includes planetary reduction box and parallel stage reduction gearbox；The parallel stage reduction gearbox It is Helical gear Transmission with planetary stage reduction gearbox；The planetary reduction box includes a sun gear, four planetary gears and one Gear ring, for four planetary gear sets at planetary gear mechanism, sun gear is located at planetary gear mechanism center, planetary gear and adjacent Sun gear, gear ring be in normal meshing state；The parallel stage reduction gearbox includes pinion gear and gear wheel, pinion gear and input End is connected, and gear wheel and planetary reduction box sun gear are coaxial, and transmission ratio is 6.5:1-15:1.
Further, the space-stop rack is equipped with domes support column.
Further, it is equipped with crosshead mechanism in the crosshead cabinet, is equipped in crankcase and crosshead cabinet Link mechanism, link mechanism one end are connect with crankshaft, and the link mechanism other end is connect with crosshead mechanism, and link mechanism includes connecting Bowl cover, connecting rod bearing shell and gonnecting rod body, connecting rod cap are bolted with gonnecting rod body, and connecting rod bearing shell is located at connecting rod cap and gonnecting rod body connects It connects in the cylindrical space to be formed, connecting rod bearing shell two sides are turnup structure, and broadside structure width-diameter ratio is big.
Compared with prior art, the beneficial effects of the present invention are:
1, a kind of its braking power of super high power Five-cylinder piston pump is 5000hp, and peak power output is up to 4500hp, phase When the summation pumped in 2 2500, high-power, huge discharge design is applicable to various complex job operating conditions, and can reduce live work Equipment needed for industry saves field operation place, reduces equipment cost.
2, sectional design keeps power end assembly compact overall structure, processing and manufacturing more easy, and the assembly of whole pump is with after Phase maintenance is also more convenient；By selecting high-strength steel sheet and the design of reasonable structure to guarantee that the strength and stiffness of each cabinet are wanted It asks, if space-stop rack support column is designed as domes, improves support strength, meet power end assembly in high load strength and rigidity Lower requirement, while segmentation structure design facilitates the assembly and maintenance in later period, while also reducing processing cost, reduces The weight of crankcase.
3, it is designed using the design of 10in long stroke and five cylinder structures, have following design advantage: the design of 10in long stroke can It realizes the job requirements of huge discharge, while reducing the jig frequency of pump, improve the service life of each components；It is designed using five cylinder structures Plunger pump output displacement is increased, while compared with three cylinder pump, five cylinder pump operations are steadily without friction, it is possible to reduce the vibration of whole pump It is dynamic, prolong the service life.
4, reduction gearbox assembly is used cooperatively using planetary stage reduction gearbox and parallel stage reduction gearbox, conducive to big transmission is obtained Than transmission ratio can achieve 6.5:1-15:1, and large speed ratio can reduce input torque, improves the service life of reduction gearbox, is full Sufficient turbogenerator driving and motor-driven matching provide effective guarantee；Big reduction ratio can reduce rushing for plunger pump It is secondary, the fatigue life cycle of each rotating parts is reduced, the service life of each components can be extended；The input of reduction gearbox simultaneously Angle can be adjusted according to input requirements, be can satisfy multi-angle adjustment, adapted to a variety of installation requirements.
5, the size of crankshaft crank increases, and guarantees that plunger pump can export higher pressure.
6, connecting rod bearing shell two sides are turnup structure, and turnup structure width-diameter ratio is big, can be realized higher bearing capacity, and Good positioning effect.
It elaborates with reference to the accompanying drawings and detailed description to the present invention.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is power end assembly structure schematic diagram of the present invention.
Fig. 3 is reduction gearbox assembly schematic diagram of the present invention.
Fig. 4 is cross-sectional view of the present invention.
Fig. 5 is the attachment structure schematic diagram of link mechanism of the present invention and crosshead mechanism.
Fig. 6 is crankshaft structure schematic diagram of the present invention.
Fig. 7 is connecting rod bearing shell structural schematic diagram of the present invention.
Fig. 8 is parallel stage gearbox structure schematic diagram of the present invention.
Fig. 9 is planetary reduction box structural schematic diagram of the present invention.
Wherein, 1 power end assembly, 2 fluid end assemblies, 3 reduction gearbox assembly, 4 crankcases, 5 crosshead cabinets, 6 intervals Frame, 7 crankshafts, 8 axle journals, 9 crank throws, 10 cylindrical roller axis, 11 clack boxes, 12 plungers, 13 bearing blocks, 14 front end-plates, 15 cover boards, 16 Leg, 17 sliding rails, 18 support columns, 19 connecting rod caps, 20 connecting rod bearing shells, 21 gonnecting rod bodies, 22 crossheads, 23 crosshead glands, 24 crosses Head attachment screw, 25 cross guide plates, 26 guide plate bolts, 27 pull rods, 28 clips, 29 planetary reduction box, 30 parallel stage reduction gearboxes, 31 turnup structures, 32 gear wheels, 33 pinion gears, 34 planetary gears, 35 gear rings, 36 sun gears.
Specific embodiment
Embodiment, as shown in Figure 1 to 9, a kind of super high power Five-cylinder piston pump, including power end assembly 1, fluid end assembly 2 and reduction gearbox assembly 3, the power end assembly 1 is designed using segmentation structure, and sectional design keeps power end assembly 1 whole It is compact-sized, processing and manufacturing it is more easy, the assembly and later maintenance of whole pump are also more convenient, while also reducing and being processed into This.Power end assembly 1 includes crankcase 4, crosshead cabinet 5 and space-stop rack 6, one end of the crosshead cabinet 5 and crankshaft Cabinet 4 is connected by hexagon-headed bolt, and the other end and the space-stop rack 6 of the crosshead cabinet 5 are bolted, and fluid end is total It is located at 6 one end of space-stop rack at 2, is connect by screw bolt passes space-stop rack 6, crosshead cabinet 5 with crankcase 4, reduction gearbox Assembly 3 is connect by bolt with crankcase 4, and the crankshaft 7 in the crankcase 4 is forged using steel alloy, including six A axle journal 8 and five crank throws 9, a crank throw 9 is set between two neighboring axle journal 8, i.e. five cylinder structures design is set using five cylinder structures Meter increases plunger pump output displacement, while compared with three cylinder pump, five cylinder pump operations are steadily without friction, it is possible to reduce the vibration of whole pump It is dynamic, prolong the service life；The rotation center distance of the crank throw 9 and crankshaft 7 is 110 to 160mm, guarantees that plunger pump can export Higher pressure, as long stroke provide technical support, stroke can reach 10in, it can be achieved that huge discharge job requirements, together When reduce pump jig frequency, improve the service life of each components.
Fluid end assembly 2 includes clack box 11 and plunger 12, and plunger 12 is located in clack box 11, and crankcase 4 is welded using steel plate It connects, will mainly be welded together, welded after the combination such as six bearing blocks 13 and front end-plate 14, cover board 15, supporting leg 16 Bearing block 13 and front end-plate 14 finish at rear.Crosshead cabinet 5 is welded using steel plate, crosshead cabinet Arc-shaped sliding rail 17 is fixed on 5, arc-shaped sliding rail 17 is forged using steel alloy；There is domes branch on space-stop rack 6 Dagger 18 improves support strength；There are through-hole on crosshead cabinet 5 and space-stop rack 6, fluid end clack box 11 is successively worn by bolt Super-interval frame 6, crosshead cabinet 5 are connect with crankcase 4.Cylindrical roller axis 10,10 outer ring of cylindrical roller axis are installed on axle journal 8 It is mounted on bearing block 13.
It is equipped with crosshead mechanism in the crosshead cabinet 5, connecting rod machine is equipped in crankcase 4 and crosshead cabinet 5 Structure, link mechanism one end are connect with crankshaft 7, and the link mechanism other end is connect with crosshead mechanism, and link mechanism includes connecting rod cap 19, connecting rod bearing shell 20 and gonnecting rod body 21, connecting rod cap 19 are bolted with gonnecting rod body 21, and connecting rod bearing shell 20 is located at connecting rod cap 19 It being connect with gonnecting rod body 21 in the cylindrical space formed, 20 two sides of connecting rod bearing shell are turnup structure 31, and broadside structure width-diameter ratio is big, It can be realized higher bearing capacity, and good positioning effect.Crosshead mechanism includes crosshead 22, crosshead gland 23, ten Prefix attachment screw 24, cross guide plate 25, guide plate bolt 26, gonnecting rod body 21, connecting rod cap 19, crosshead 22 and crosshead gland 23 are forged using steel alloy, and link mechanism one end is connect with crank throw 9, and the other end passes through crosshead gland 23 and crosshead 22 Connection；Cross guide plate 25 is fixed in crosshead 22 by guide plate bolt 26, cross guide plate 25 be it is arc-shaped, there is oil on surface Slot；Crosshead 22 is connect by pull rod 27 and clip 28 with the plunger 12 of fluid end assembly 2, further, crosshead 22 and drawing It is connected by screw between bar 27.
The reduction gearbox assembly output end is connect with crankshaft 7, and reduction gearbox assembly includes that planetary reduction box 29 and parallel stage subtract Fast case 30, the parallel stage reduction gearbox 30 and planetary stage reduction gearbox 29 are Helical gear Transmission, and the planetary reduction box 29 includes One sun gear, 36, four planetary gears 34 and a gear ring 35, four planetary gears 34 form planetary gear mechanism, the sun Wheel 36 is located at planetary gear mechanism center, and planetary gear 34 and adjacent sun gear 36, gear ring 35 are in normal meshing state；Institute Stating parallel stage reduction gearbox 30 includes gear wheel 32 and pinion gear 33, and pinion gear 33 is connected with input terminal, and gear wheel 32 subtracts with planet Fast 29 sun gear 36 of case is coaxial；Input terminal input speed passes to gear wheel 32 through pinion gear 33 and realizes primary speed-down, by big Gear 32 passes to sun gear 36, and sun gear 36 is transmitted to planetary gear 34 and realizes double reduction, so that large transmission ratio is obtained, Transmission ratio can achieve 6.5:1-15:1；Planetary stage reduction gearbox 29 is transmitted simultaneously using four equally distributed planetary gears 34 Movement and power, the radial component that four planetary gears 34 on business transfer reaction force between the centrifugal intertia force and flank profil that generate are mutual Balance is offset, and is reduced main shaft stress, is realized high-power transmitting.Large speed ratio can reduce input torque, improve making for reduction gearbox With the service life, effective guarantee is provided to meet turbogenerator driving and motor-driven matching；Big reduction ratio can reduce The jig frequency of plunger pump reduces the fatigue life cycle of each rotating parts, can extend the service life of each components；Subtract simultaneously The input angle of fast box assembly can be adjusted according to input requirements, can satisfy multi-angle adjustment, and adapting to a variety of installations needs It asks.
Reduction gearbox assembly 3 is rotated with dynamic crankshaft 7, and crankshaft 7 rotates in the bearing that bearing block 13 supports, and crankshaft 7, which drives, to be connected The body of rod 21, gonnecting rod body 21 is by driving crosshead 22, arc-shaped sliding rail 17 inside reciprocal fortune of the crosshead 22 in crosshead cabinet 5 Dynamic, crosshead 22 drives plunger 12 reciprocating in 11 inside of clack box of fluid end assembly 2 by pull rod 27, carries out liquid Sucking and discharge work.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention It is defined by the appending claims and its equivalent thereof.

Claims (5)

1. a kind of super high power Five-cylinder piston pump, including power end assembly, fluid end assembly and reduction gearbox assembly, feature exist In: the power end assembly is designed using segmentation structure, including crankcase, crosshead cabinet and space-stop rack, the cross One end of head case body is bolted with crankcase, and the other end and space-stop rack of the crosshead cabinet are connected by bolt It connecing, fluid end assembly is located at space-stop rack one end, it is connect by screw bolt passes space-stop rack, crosshead cabinet with crankcase, Reduction gearbox assembly is connect by bolt with crankcase, and the intracorporal crankshaft of crankcase is forged using steel alloy, including Six axle journals and five crank throws, set a crank throw between two neighboring axle journal, and the rotation center distance of the crank throw and crankshaft is 110 to 160mm.
2. super high power Five-cylinder piston pump according to claim 1, it is characterised in that: the input angle of the reduction gearbox assembly Degree can be adjusted according to input requirements.
3. super high power Five-cylinder piston pump according to claim 1, it is characterised in that: the reduction gearbox assembly includes planet Reduction gearbox and parallel stage reduction gearbox；The parallel stage reduction gearbox and planetary stage reduction gearbox are Helical gear Transmission；The planet subtracts Fast case includes a sun gear, four planetary gears and a gear ring, and four planetary gear sets are at planetary gear mechanism, the sun Wheel is located at planetary gear mechanism center, and planetary gear and adjacent sun gear, gear ring are in normal meshing state；The parallel stage Reduction gearbox includes pinion gear and gear wheel, and pinion gear is connected with input terminal, and gear wheel and planetary reduction box sun gear are coaxial, is passed Dynamic ratio is 6.5:1-15:1.
4. super high power Five-cylinder piston pump according to claim 1, it is characterised in that: the space-stop rack is equipped with arch knot Structure support column.
5. super high power Five-cylinder piston pump according to claim 1, it is characterised in that: be equipped with ten in the crosshead cabinet Prefix mechanism is equipped with link mechanism in crankcase and crosshead cabinet, and link mechanism one end is connect with crankshaft, link mechanism The other end is connect with crosshead mechanism, and link mechanism includes connecting rod cap, connecting rod bearing shell and gonnecting rod body, and connecting rod cap passes through with gonnecting rod body It is bolted, connecting rod bearing shell is located at connecting rod cap and connect in the cylindrical space to be formed with gonnecting rod body, and connecting rod bearing shell two sides are flange Structure, broadside structure width-diameter ratio are big.
CN201910319527.3A 2019-04-19 2019-04-19 A kind of super high power Five-cylinder piston pump Pending CN109869294A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201910319527.3A CN109869294A (en) 2019-04-19 2019-04-19 A kind of super high power Five-cylinder piston pump
US16/834,419 US20200332788A1 (en) 2019-04-19 2020-03-30 Super-power five-cylinder plunger pump
US16/874,811 US20210301807A1 (en) 2019-04-19 2020-05-15 High-power five cylinder plunger pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910319527.3A CN109869294A (en) 2019-04-19 2019-04-19 A kind of super high power Five-cylinder piston pump

Publications (1)

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CN109869294A true CN109869294A (en) 2019-06-11

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CN110486249A (en) * 2019-09-20 2019-11-22 烟台杰瑞石油装备技术有限公司 A kind of Five-cylinder piston pump
CN110485984A (en) * 2019-09-20 2019-11-22 烟台杰瑞石油装备技术有限公司 A kind of turbine fracturing unit that semi-mounted is vehicle-mounted
CN110617318A (en) * 2019-10-29 2019-12-27 烟台杰瑞石油装备技术有限公司 Five-cylinder plunger pump with integral power end structure
US10895202B1 (en) 2019-09-13 2021-01-19 Bj Energy Solutions, Llc Direct drive unit removal system and associated methods
US10907459B1 (en) 2019-09-13 2021-02-02 Bj Energy Solutions, Llc Methods and systems for operating a fleet of pumps
WO2021042380A1 (en) * 2019-09-06 2021-03-11 烟台杰瑞石油装备技术有限公司 Speed reduction box for turbine fracturing
US10954770B1 (en) 2020-06-09 2021-03-23 Bj Energy Solutions, Llc Systems and methods for exchanging fracturing components of a hydraulic fracturing unit
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