CN110486249A - 一种五缸柱塞泵 - Google Patents

一种五缸柱塞泵 Download PDF

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CN110486249A
CN110486249A CN201910893316.0A CN201910893316A CN110486249A CN 110486249 A CN110486249 A CN 110486249A CN 201910893316 A CN201910893316 A CN 201910893316A CN 110486249 A CN110486249 A CN 110486249A
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assembly
reduction gearbox
planetary
connect
crosshead
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崔海萍
王继鑫
崔文平
魏小淞
李朋
李海龙
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Yantai Jereh Petroleum Equipment and Technologies Co Ltd
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Yantai Jereh Petroleum Equipment and Technologies Co Ltd
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Priority to CN201910893316.0A priority Critical patent/CN110486249A/zh
Publication of CN110486249A publication Critical patent/CN110486249A/zh
Priority to US16/832,220 priority patent/US20210087943A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/08—Adaptations for driving, or combinations with, pumps
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E21B43/2607—Surface equipment specially adapted for fracturing operations
    • 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
    • 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
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • 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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/22—Cranks; Eccentrics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
    • F16C9/04—Connecting-rod bearings; Attachments thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
    • 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
    • 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
    • F04B9/042—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 cams

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Ocean & Marine Engineering (AREA)
  • Reciprocating Pumps (AREA)

Abstract

本发明公开了一种五缸柱塞泵，包括动力端总成、液力端总成和减速箱总成，所述动力端总成的一端与液力端总成连接，所述动力端总成的另一端与减速箱总成连接，所述减速箱总成包括行星减速箱和平行级减速箱，所述行星减速箱和平行级减速箱配合使用，其传动比为60：1—106:1。有益效果：其额定输入功率增大到5000‑7000hp，可达到10‑12in冲程，柱塞泵上的减速箱总成最高输入转速由现有的2100rpm增加到16000rpm，其减速箱总成可以直接与涡轮发动机相连，以解决涡轮压裂设备依靠两个减速箱减速，从而降低整车的重量及减少设备外形尺寸。

Description

一种五缸柱塞泵
技术领域
本发明涉及柱塞泵技术领域，具体涉及一种五缸柱塞泵。
背景技术
随着油气田超高压、超深井、水平井的不断开发，其作业工况也越来越恶劣，要求高压力、大排量作业，因此对柱塞泵的要求也越来越高，单台压裂设备可以输出高压力、大排量，这样就要求柱塞泵可以大功率、高压力输出；特别是在非常规油气作业——页岩气作业，其作业工况恶劣，需要长时间、大排量、高压力作业，而且作业频次越来越频繁，因此对压裂设备要求越来越高，而柱塞泵又是压裂设备中的核心部件，因此对柱塞泵的要求也越来越高；涡轮压裂设备，采用电机驱动采用涡轮发动机提供动力，其输入功率可以达到5600hp，其输入转速可以达到16000rpm，目前市场上的柱塞泵最大功率达到了7000hp，但最高输入转速都在2100rpm左右，一般涡轮压裂设备采用的结构是依靠涡轮发动机输出动力，涡轮发动机的输出端与高速重载减速箱相连，高速重载减速箱的作用主要是将涡轮发动机的高转速降低到2100rpm左右，同时增大输出扭矩，达到降速增扭的作用；高速重载减速箱的输出端与传动轴相连，传动轴另一端与柱塞泵上的减速箱相连；柱塞泵的减速箱主要作用是把输入转速有2100rpm降低到几百转；也是达到降速增扭的作用；这样整个涡轮压裂设备上就需要两个减速箱和一个传动轴；这样势必增加了整车的重量和整车的外形尺寸，影响了整车的布局；因此需要开发一款超高转速、超大功率的柱塞泵来匹配涡轮压裂设备。
发明内容
本发明的目的克服现有技术的不足，提供一种五缸柱塞泵，其额定输入功率增大到5000-7000hp，可达到10-12in冲程，柱塞泵上的减速箱总成最高输入转速由现有的2100rpm增加到16000rpm，满足了从涡轮发动机到柱塞泵之间的减速要求，即减速箱可以直接与涡轮发动机相连，以解决现有涡轮压裂设备依靠两个减速箱减速，从而降低整车的重量及减少设备外形尺寸。
本发明的目的是通过以下技术措施达到的：一种五缸柱塞泵，包括动力端总成、液力端总成和减速箱总成，所述动力端总成的一端与液力端总成连接，所述动力端总成的另一端与减速箱总成连接，所述减速箱总成包括行星减速箱和平行级减速箱，所述行星减速箱和平行级减速箱配合使用，其传动比为60：1—106:1。
进一步地，所述行星减速箱有2个，包括第一行星减速箱和第二行星减速箱，第一行星减速箱的一端与动力端总成连接，第一行星减速箱的另一端与平行级减速箱连接，平行级减速箱的另一端与第二行星减速箱连接。
进一步地，所述行星减速箱包括一个太阳轮、四个行星齿轮和一个齿轮圈，四个行星齿轮组成行星齿轮机构，太阳轮位于行星齿轮机构中心，行星齿轮和相邻的太阳轮、齿轮圈处于常啮合状态，所述平行级减速箱包括小齿轮和大齿轮，小齿轮与第一行星减速箱中的太阳轮同轴，大齿轮与第二行星减速箱的太阳轮同轴。
进一步地，所述动力端总成的另一端与减速箱总成通过花键或者柔性联轴器连接。
进一步地，所述减速箱总成的输入角度可以根据输入要求进行调整。
进一步地，所述动力端总成包括曲轴箱体、十字头箱体和间隔架，所述十字头箱体的一端与曲轴箱体连接，所述十字头箱体的另一端与间隔架连接，液力端总成设在间隔架一端，通过螺栓依次穿过间隔架、十字头箱体与曲轴箱体连接，减速箱总成通过螺栓与曲轴箱体连接，所述曲轴箱体内的曲轴采用合金钢锻造而成，包括六个轴颈和五个曲拐，相邻两个轴颈之间设一个曲拐，所述曲拐与曲轴的旋转中心距离为120至160mm。
进一步地，所述十字头箱体内设有十字头机构，在曲轴箱体与十字头箱体内设有连杆机构，连杆机构一端与曲轴连接，连杆机构另一端与十字头机构连接，连杆机构包括连杆盖、连杆轴瓦和连杆体，连杆盖与连杆体通过螺栓连接，连杆轴瓦位于连杆盖与连杆体连接形成的圆柱形空间内，连杆轴瓦两侧为翻边结构，宽边结构宽径比大。
与现有技术相比，本发明的有益效果是：通过改变减速箱总成的传动比，从而提升最高输入转速(达到16000rpm)，将现有涡轮发动机与泵之间通过2个减速箱和一个传动轴的连接方式，缩短到涡轮发动机可以直接与泵上的减速箱总成连接，还能满足其降速要求，使得整体压裂设备结构简化了，长度缩短了，运输方便了，投资成本降低了，维修方便了。通过优化曲拐与曲轴的旋转中心距离，提升了柱塞泵的最大功率，达到现在的5000-7000hp。连杆轴瓦两侧为翻边结构，翻边结构宽径比大，能够实现较高的承载能力，而且定位效果好。减速箱的输入角度可以根据输入要求进行调整，可以满足多角度调整，适应多种安装需求。
下面结合附图和具体实施方式对本发明作详细说明。
附图说明
图1是五缸柱塞泵的结构示意图。
图2是减速箱总成的结构示意图。
图3是动力端总成的结构示意图。
图4是五缸柱塞泵的剖视图。
图5是减速箱总成结构示意图中B-B和D-D方向的(行星减速箱)剖视图。
图6是减速箱总成结构示意图中C-C方向的(平行级减速箱)剖视图。
图7是连杆机构与十字头机构的连接结构示意图。
图8是曲轴结构示意图。
其中，1动力端总成，2液力端总成，3减速箱总成，4曲轴箱体，5十字头箱体，6间隔架，7曲轴，8轴颈，9曲拐，10圆柱滚子轴，11阀箱，12柱塞，13轴承座，14前端板，15盖板，16支腿，17滑轨，18拉杆螺钉，19连杆盖，20连杆轴瓦，21连杆体，22十字头，23十字头压盖，24十字头连接螺钉，25十字头导板，26导板螺栓，27拉杆，28卡箍，29第一行星减速箱，30平行级减速箱，31第二行星减速箱，32大齿轮，33小齿轮，34行星齿轮，35齿轮圈，36太阳轮。
具体实施方式
如图1至8所示，一种五缸柱塞泵，包括动力端总成1、液力端总成2和减速箱总成3，所述动力端总成1的一端与液力端总成2连接，所述动力端总成1的另一端与减速箱总成3连接，所述减速箱总成3包括行星减速箱29和平行级减速箱30，所述行星减速箱29和平行级减速箱30配合使用，其传动比为60：1—106:1。通过改变减速箱总成3的传动比，从而提升最高输入转速(达到16000rpm)，将现有涡轮发动机与泵之间通过2个减速箱和一个传动轴的连接方式，缩短到涡轮发动机可以直接与泵上的减速箱总成3连接，还能满足其降速要求，使得整体压裂设备结构简化了，长度缩短了，运输方便了，投资成本降低了，维修方便了。
所述行星减速箱有2个，行星减速箱包括第一行星减速箱29和第二行星减速箱31，第一行星减速箱29的一端与动力端总成的曲轴7连接，第一行星减速箱29的另一端与平行级减速箱30连接，平行级减速箱30的另一端与第二行星减速箱31连接，第二行星减速箱31的另一端与涡轮发动机的传动轴连接。工作中，经涡轮发动机传动轴传递出的动能，由第二行星减速箱31实现初次减速，由平行级减速箱30实现第二次减速，最后由第一行星减速箱29实现第三次减速。
所述行星减速箱包括一个太阳轮36、四个行星齿轮34和一个齿轮圈35，四个行星齿轮34组成行星齿轮机构，太阳轮36位于行星齿轮机构中心，行星齿轮34和相邻的太阳轮36、齿轮圈35处于常啮合状态，行星级减速箱采用四个均匀分布的行星齿轮34同时传递运动和动力，四个行星轮34因公转而产生的离心惯性力与齿廓间反作用力的径向分力相互平衡抵消，使主轴受力减小，实现大功率传递。所述平行级减速箱30包括小齿轮33和大齿轮32，小齿轮33与第一行星减速箱29中的太阳轮36同轴，大齿轮32与第二行星减速箱31的太阳轮36同轴。在平行级减速箱30内部经小齿轮33传递给大齿轮32可以实现减速。
所述动力端总成1的另一端与减速箱总成3通过花键或者柔性联轴器连接。
所述动力端总成1采用分段式结构设计，分段式设计使动力端总成1整体结构紧凑、加工制造更为容易，整泵的装配和后期维护也更为方便，同时也降低了加工成本。所述动力端总成1包括曲轴箱体4、十字头箱体5和间隔架6，所述十字头箱体5的一端与曲轴箱体4连接，所述十字头箱体5的另一端与间隔架6连接，液力端总成2设在间隔架6一端，通过螺栓依次穿过间隔架6、十字头箱体5与曲轴箱体4连接，减速箱总成3通过螺栓与曲轴箱体4连接，所述曲轴箱体4内的曲轴7采用合金钢锻造而成，包括六个轴颈8和五个曲拐9，相邻两个轴颈8之间设一个曲拐9，即五缸结构设计，采用五缸结构设计增加了柱塞泵输出排量，同时与三缸泵相比，五缸泵作业平稳无振动，可以减少整泵的振动，延长使用寿命；所述曲拐9与曲轴7的旋转中心距离为120至160mm。通过进一步研究曲拐9与曲轴7的旋转中心距离，提升了柱塞泵的最大功率，达到现在的5000-7000hp，保证柱塞泵可以输出更高的压力，即为长冲程提供技术支持，其冲程可达到10-12in。可实现大排量的作业需求，同时降低泵的冲次，提高各零部件的使用寿命。
液力端总成2包括阀箱11和柱塞12，柱塞12设在阀箱11内，曲轴箱体4采用钢板焊接而成，主要是将六个轴承座13和前端板14、盖板15、支腿16等组合后焊接到一起，焊接完成后对轴承座13及前端板14进行精加工而成。十字头箱体5采用钢板焊接而成，十字头箱体5上固定有圆弧形滑轨17，圆弧形滑轨17采用合金钢锻造而成；间隔架6上具有拱形结构支撑柱，提高支撑强度；十字头箱体5及间隔架6上留有通孔，液力端阀箱11通过螺栓依次穿过间隔架6、十字头箱体5与曲轴箱体4连接。轴颈8上安装圆柱滚子轴10，圆柱滚子轴10外圈安装在轴承座13上。
所述十字头箱体5内设有十字头机构，在曲轴箱体4与十字头箱体5内设有连杆机构，连杆机构一端与曲轴7连接，连杆机构另一端与十字头机构连接，连杆机构包括连杆盖19、连杆轴瓦20和连杆体21，连杆盖19与连杆体21通过螺栓连接，连杆轴瓦20位于连杆盖19与连杆体21连接形成的圆柱形空间内，连杆轴瓦20两侧为翻边结构，宽边结构宽径比大，能够实现较高的承载能力，而且定位效果好。十字头机构包括十字头22、十字头压盖23、十字头连接螺钉24、十字头导板25、导板螺栓26，十字头22和十字头压盖23采用合金钢锻造而成，连杆机构一端与曲拐9连接，另一端通过十字头压盖23、十字头连接螺钉24与十字头22连接；十字头导板25通过导板螺栓26固定于十字头22上，十字头导板25为圆弧形，表面有油槽；十字头22通过拉杆27和卡箍28与液力端总成2的柱塞12连接，进一步的，十字头22与拉杆27之间通过拉杆螺钉18连接。
所述减速箱总成3的输入角度可以根据输入要求进行调整。可以满足多角度调整，适应多种安装需求。
减速箱总成3带动曲轴7转动，曲轴7在轴承座13支撑的轴承内转动，曲轴7带动连杆体21，连杆体21通过带动十字头22，十字头22在十字头箱体5的圆弧形滑轨17内部往复运动，十字头22通过拉杆27带动柱塞12在液力端总成2的阀箱11内部作往复运动，进行液体的吸入与排出工作。
本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (7)

1.一种五缸柱塞泵，其特征在于：包括动力端总成、液力端总成和减速箱总成，所述动力端总成的一端与液力端总成连接，所述动力端总成的另一端与减速箱总成连接，所述减速箱总成包括行星减速箱和平行级减速箱，所述行星减速箱和平行级减速箱配合使用，其传动比为60：1—106:1。
2.根据权利要求1所述的五缸柱塞泵，其特征在于：所述行星减速箱有2个，包括第一行星减速箱和第二行星减速箱，第一行星减速箱的一端与动力端总成连接，第一行星减速箱的另一端与平行级减速箱连接，平行级减速箱的另一端与第二行星减速箱连接。
3.根据权利要求2所述的五缸柱塞泵，其特征在于：所述行星减速箱包括一个太阳轮、四个行星齿轮和一个齿轮圈，四个行星齿轮组成行星齿轮机构，太阳轮位于行星齿轮机构中心，行星齿轮和相邻的太阳轮、齿轮圈处于常啮合状态，所述平行级减速箱包括小齿轮和大齿轮，小齿轮与第一行星减速箱中的太阳轮同轴，大齿轮与第二行星减速箱的太阳轮同轴。
4.根据权利要求1所述的五缸柱塞泵，其特征在于：所述减速箱总成的输入角度可以根据输入要求进行调整。
5.根据权利要求1所述的五缸柱塞泵，其特征在于：所述动力端总成的另一端与减速箱总成通过花键或者柔性联轴器连接。
6.根据权利要求1所述的五缸柱塞泵，其特征在于：所述动力端总成包括曲轴箱体、十字头箱体和间隔架，所述十字头箱体的一端与曲轴箱体连接，所述十字头箱体的另一端与间隔架连接，液力端总成设在间隔架一端，通过螺栓依次穿过间隔架、十字头箱体与曲轴箱体连接，减速箱总成通过螺栓与曲轴箱体连接，所述曲轴箱体内的曲轴采用合金钢锻造而成，包括六个轴颈和五个曲拐，相邻两个轴颈之间设一个曲拐，所述曲拐与曲轴的旋转中心距离为120至160mm。
7.根据权利要求6所述的五缸柱塞泵，其特征在于：所述十字头箱体内设有十字头机构，在曲轴箱体与十字头箱体内设有连杆机构，连杆机构一端与曲轴连接，连杆机构另一端与十字头机构连接，连杆机构包括连杆盖、连杆轴瓦和连杆体，连杆盖与连杆体通过螺栓连接，连杆轴瓦位于连杆盖与连杆体连接形成的圆柱形空间内，连杆轴瓦两侧为翻边结构，宽边结构宽径比大。
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