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CN101892816A - 曲柄无游梁抽油机 - Google Patents

曲柄无游梁抽油机 Download PDF

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Publication number
CN101892816A
CN101892816A CN2010102261671A CN201010226167A CN101892816A CN 101892816 A CN101892816 A CN 101892816A CN 2010102261671 A CN2010102261671 A CN 2010102261671A CN 201010226167 A CN201010226167 A CN 201010226167A CN 101892816 A CN101892816 A CN 101892816A
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Prior art keywords
crank
transmission shaft
support
power transmission
oil
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CN2010102261671A
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Inventor
王民轩
徐建礼
程正全
魏斌
张中慧
刘丙生
高广启
罗燕
朱泽军
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Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co
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Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co
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Priority to CN2010102261671A priority Critical patent/CN101892816A/zh
Publication of CN101892816A publication Critical patent/CN101892816A/zh
Priority to US13/171,495 priority patent/US8746093B2/en
Pending legal-status Critical Current

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    • 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
    • E21B43/12—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18176—Crank, pitman, lever, and slide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18176—Crank, pitman, lever, and slide
    • Y10T74/18182—Pump jack type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/1892—Lever and slide
    • Y10T74/18968—Flexible connections

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • General Details Of Gearings (AREA)

Abstract

一种曲柄无游梁抽油机，机架下端安装在机座上，机架上端由支撑拉杆支撑，支撑拉杆上端与机架铰链式连接，支撑拉杆下端与机座铰链式连接，支架安装在机座上，传动轴安装在支架上，曲柄安装在传动轴上，支架、曲柄两件对称安装，曲柄随传动轴同步旋转，皮带轮由销轴安装在曲柄端部，皮带一端绕过天车轮与抽油光杆连接，皮带另一端绕在皮带轮上，传动轴由动力源带动旋转时，曲柄同步旋转，使皮带轮绕传动轴旋转，皮带与抽油光杆连接端上下往复运动带动抽油杆实现抽油，本发明无游梁，结构简单，传动轴上可以串接多台抽油机，能满足多井多抽油机联动安装抽油的要求，达到提高机械效率的目的，因此，本发明具有显著的经济效益。

Description

曲柄无游梁抽油机
技术领域
本发明属于油田抽油用的地面设备，是一种抽油机，特别是一种曲柄无游梁抽油机。
背景技术
目前使用的抽油机大多数为游梁式抽油机，这种抽油机机构多，结构复杂，制造成本高，机械效率低，经济性差；油田使用的还有一种R0TAFLEX类型的立式抽油机，这种抽油机移位不方便，油井修井作业时需要动用设备对其移动后才能作业，这种抽油机也不能满足多井多抽油机联动式安装的要求。
发明内容
本发明的目的是设计一种曲柄无游梁抽油机，克服现有技术的不足，使其结构简单，修井作业方便，能满足多井多抽油机联动安装的要求。
本发明的目的是这样实现的：有皮带、机座，还有天车轮、机架、支撑拉杆、皮带轮、销轴、曲柄、传动轴、支架，机架下端安装在机座上，机架上端由支撑拉杆支撑，支撑拉杆上端与机架铰链式连接，支撑拉杆下端与机座铰链式连接，支架安装在机座上，传动轴安装在支架上，曲柄安装在传动轴上，支架、曲柄两件对称平行安装，曲柄随传动轴同步旋转，皮带轮由销轴安装在曲柄端部，皮带一端绕过天车轮与抽油光杆连接，皮带另一端绕在皮带轮上。
两台以上的抽油机串联安装，每台抽油机的天车轮、机架、支撑拉杆、皮带、皮带轮、销轴、曲柄、传动轴、支架、机座相同，传动轴的一端与动力源连接，传动轴的另一端与第一台抽油机的一件曲柄连接，第一台抽油机的另一件曲柄与第二件传动轴一端连接，第二件传动轴另一端与第二台抽油机的一件曲柄连接，第三件传动轴的一端与第二台抽油机的另一件曲柄连接，每台抽油机的曲柄错位安装，每台抽油机的曲柄之间的错位角度相同。
皮带另一端绕过皮带轮后固定在机座上。
支撑拉杆上安装长度调节器。
机架下端与机座铰链式连接。
本发明的有益效果是：传动轴由动力源带动旋转时，曲柄同步旋转，使皮带轮绕传动轴旋转，皮带与抽油光杆连接端上下往复运动带动抽油杆实现抽油，本发明无游梁，结构简单，传动轴上可以串接多台抽油机，能满足多井多抽油机联动安装抽油的要求，达到提高机械效率，减少能耗的目的，因此，本发明具有显著的经济效益。
附图说明
附图1是本发明的示意图。
附图2是本发明中两台抽油机串联安装时皮带轮、销轴、曲柄、传动轴、支架安装图。
具体实施方式
下面结合附图1、2对本发明的实施例进行说明。
本发明的实施例由天车轮1、机架2、支撑拉杆3、皮带4、长度调节器5、皮带轮6、销轴7、曲柄8、传动轴9、支架10、机座11组成，机架2下端安装在机座11上，机架2上端由支撑拉杆3支撑，支撑拉杆3上端与机架2铰链式连接，支撑拉杆3下端与机座11铰链式连接，支架10安装在机座11上，传动轴9安装在支架10上，曲柄8安装在传动轴9上，支架10、曲柄8两件对称平行安装，曲柄8随传动轴9同步旋转，皮带轮6由销轴7安装在曲柄8端部，皮带4一端绕过天车轮1与抽油光杆连接，皮带4另一端绕过皮带轮6后固定在机座11上。支撑拉杆3上安装长度调节器5，通过调节长度调节器5，使机架2后仰，机架2全部处于作业机的游动滑车活动范围之外，油井可以进行修井作业，不需要动用设备对其进行移动，修井作业方便。机架2下端与机座11铰链式连接，调节长度调节器5使机架2后仰时，机架2绕下端与机座11铰链连接处旋转。
本发明可以单机使用，也可以多井多抽油机联动使用，特别适用于丛式井组抽油，如果本发明是以多井多抽油机联动使用，传动轴9由多件组成，每台抽油机的天车轮1、机架2、支撑拉杆3、皮带4、皮带轮6、销轴7、曲柄8、传动轴9、支架10、机座11相同，第一件传动轴9的一端与动力源连接，传动轴9的另一端与第一台抽油机的一件曲柄8连接，第一台抽油机的另一件曲柄8与第二件传动轴9A一端连接，第二件传动轴9A另一端与第二台抽油机的一件曲柄8连接，第三件传动轴9B的一端与第二台抽油机的另一件曲柄8连接，第三件传动轴9B的另一端与第三台抽油机的一件曲柄8连接，依次类推实现多井多抽油机联动。每台抽油机的曲柄8错位安装，每台抽油机的曲柄8之间的错位成圆周均布，如图2所示的两台抽油机的曲柄8的错位角度为180°，可以互相平衡上下行的交变载荷，提高油井机械效率。如果是三台抽油机串联安装，则错位角为120°
动力源减速箱上的输出轴与传动轴9为一体。
当本发明单机使用载荷交变较大时，曲柄8另一端可加平衡块实现平衡。如果多机串联使用时，其中一台抽油机工作的井作业时，这台抽油机的曲柄8也要加平衡块实现平衡。

Claims (5)

1.一种曲柄无游梁抽油机，有皮带(4)、机座(11)，其特征是：还有天车轮(1)、机架(2)、支撑拉杆(3)、皮带轮(6)、销轴(7)、曲柄(8)、传动轴(9)、支架(10)，机架(2)下端安装在机座(11)上，机架(2)上端由支撑拉杆(3)支撑，支撑拉杆(3)上端与机架(2)铰链式连接，支撑拉杆(3)下端与机座(11)铰链式连接，支架(10)安装在机座(11)上，传动轴(9)安装在支架(10)上，曲柄(8)安装在传动轴(9)上，支架(10)、曲柄(8)两件对称平行安装，曲柄(8)随传动轴(9)同步旋转，皮带轮(6)由销轴(7)安装在曲柄(8)端部，皮带(4)一端绕过天车轮(1)与抽油光杆连接，皮带(4)另一端绕在皮带轮(6)上。
2.根据权利要求1所述的曲柄无游梁抽油机，其特征是：两台以上的抽油机串联安装，每台抽油机的天车轮(1)、机架(2)、支撑拉杆(3)、皮带(4)、皮带轮(6)、销轴(7)、曲柄(8)、传动轴(9)、支架(10)、机座(11)相同，传动轴(9)的一端与动力源连接，传动轴(9)的另一端与第一台抽油机的一件曲柄(8)连接，第一台抽油机的另一件曲柄(8)与第二件传动轴(9A)一端连接，第二件传动轴(9A)另一端与第二台抽油机的一件曲柄(8)连接，第三件传动轴(9B)的一端与第二台抽油机的另一件曲柄(8)连接，每台抽油机的曲柄(8)错位安装。
3.根据权利要求1所述的曲柄无游梁抽油机，其特征是：皮带(4)另一端绕过皮带轮(6)后固定在机座(11)上。
4.根据权利要求1所述的曲柄无游梁抽油机，其特征是：支撑拉杆(3)上安装长度调节器(5)。
5.根据权利要求1所述的曲柄无游梁抽油机，其特征是：机架(2)下端与机座(11)铰链式连接。
CN2010102261671A 2010-06-29 2010-06-29 曲柄无游梁抽油机 Pending CN101892816A (zh)

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CN2010102261671A CN101892816A (zh) 2010-06-29 2010-06-29 曲柄无游梁抽油机
US13/171,495 US8746093B2 (en) 2010-06-29 2011-06-29 Oil pumping unit

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CN102364043A (zh) * 2011-11-07 2012-02-29 中国石油化工股份有限公司 变径天车轮无游梁抽油机
CN104251128A (zh) * 2013-06-26 2014-12-31 中国石油化工股份有限公司 一种用于抽油机的让位装置及让位方法

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CN104251128A (zh) * 2013-06-26 2014-12-31 中国石油化工股份有限公司 一种用于抽油机的让位装置及让位方法

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