Motion Analysis of Double Crank 2K-H Gear Train Large Swing Angle Reversing Device

Bingyi Li; Shimin Dong; Jiani Zhang; Yü Yang; Qin Li; Yong Wu; Yang Zhang

doi:10.16578/j.issn.1004.2539.2021.12.018

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Motion Analysis of Double Crank 2K-H Gear Train Large Swing Angle Reversing Device

Test·Analysis | 更新时间：2022-09-15

- Motion Analysis of Double Crank 2K-H Gear Train Large Swing Angle Reversing Device
- Journal of Mechanical Transmission Vol. 45, Issue 12, Pages: 112-116(2021)
- 作者机构：
  
  1.燕山大学机械工程学院，河北秦皇岛 066004
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.12.018
  CLC：
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李柄燚,董世民,张佳妮等.双曲柄2K-H轮系大摆角换向装置运动分析[J].机械传动,2021,45(12):112-116.

Li Bingyi,Dong Shimin,Zhang Jiani,et al.Motion Analysis of Double Crank 2K-H Gear Train Large Swing Angle Reversing Device[J].Journal of Mechanical Transmission,2021,45(12):112-116.
李柄燚,董世民,张佳妮等.双曲柄2K-H轮系大摆角换向装置运动分析[J].机械传动,2021,45(12):112-116. DOI： 10.16578/j.issn.1004.2539.2021.12.018.

Li Bingyi,Dong Shimin,Zhang Jiani,et al.Motion Analysis of Double Crank 2K-H Gear Train Large Swing Angle Reversing Device[J].Journal of Mechanical Transmission,2021,45(12):112-116. DOI： 10.16578/j.issn.1004.2539.2021.12.018.

摘要

针对游梁式抽油机冲程小、耗能大、运动性能差的缺陷，以及无游梁式抽油机普遍存在的可靠性不高、传动不平稳的问题，提出了一种通过机械特性实现纯机械无切换式换向的长冲程抽油机换向装置设计方案。通过逆平行四边形机构和齿轮并联输入2K-H行星轮系，在并联齿轮特定传动比下实现装置换向。新型换向装置避免了电机和链条换向的可靠性问题以及非圆齿轮换向的振动问题；相对于曲柄摇杆换向，在传动效率上有所提升。对换向装置进行了运动分析，并通过多参数运算仿真对比，分析了各参数对装置运动性能的影响。结果表明，新型换向装置的下冲程时间相比上冲程较短，有助于提高生产效率；可根据实际工作需求调节机构参数，以适应工况要求，在实际应用时有更高的设计兼容性；可实现高效可靠的换向工作，在塔架抽油机未来发展中有广泛的应用前景。

Abstract

Aiming at the shortcomings of current beam pumping units with small stroke，large energy consumption，and poor movement performance，as well as the general problem of low reliability and unstable transmission of beam less pumping units，a design scheme of the reversing device of a long stroke pumping unit which realizes the pure mechanical non-switching type reversing by mechanical characteristic is presented. The 2K-H planetary gear train is input in parallel through the anti-parallelogram mechanism and the gears，and the device commutation is realized under the specific transmission ratio of the parallel gears. The new type of commutator avoids the reliability problems of motor and chain commutator，as well as the vibration problems of non-circular gear commutator，and the transmission efficiency is improved compared with crank and rocker commutator. The movement analysis of the reversing device is carried out，and the multi-parameter calculation simulation is compared. The influence of each parameter on the movement performance of the device is analyzed. The results show that the downstroke time of the reversing device is shorter than that of the upstroke，which is helpful to improve the production efficiency. The mechanism parameters can be adjusted according to the actual work requirements to meet the requirements of working conditions，and have higher design compatibility in the actual application. The device can realize efficient and reliable reversing work，and has a wide range of application prospects in the future development of tower pumping units.

关键词

抽油机机械换向逆平行四边形机构行星齿轮并联传动

Keywords

Pumping unitMechanical commutationAnti-parallelogram mechanismPlanetary gearParallel transmission

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