WO2017045270A1 - 一种无皮带式游梁抽油机 - Google Patents

一种无皮带式游梁抽油机 Download PDF

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Publication number
WO2017045270A1
WO2017045270A1 PCT/CN2015/095556 CN2015095556W WO2017045270A1 WO 2017045270 A1 WO2017045270 A1 WO 2017045270A1 CN 2015095556 W CN2015095556 W CN 2015095556W WO 2017045270 A1 WO2017045270 A1 WO 2017045270A1
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gear
gearbox
output shaft
transmission gear
speed
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PCT/CN2015/095556
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English (en)
French (fr)
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卞忠君
李召
李兴俭
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胜利油田龙玺石油工程服务有限责任公司
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Publication of WO2017045270A1 publication Critical patent/WO2017045270A1/zh

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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

Definitions

  • the utility model relates to a petroleum oil pumping device, in particular to a beltless beam pumping unit.
  • the oilfield is currently facing the current situation of low oil price and high cost, and the oilfield enters the middle and late stage of water injection development.
  • the depth and difficulty of development are increasing.
  • the oil supply capacity of the oilfield is obviously insufficient.
  • various oilfields have adopted various technical measures for oil production equipment, mechanical oil production equipment still dominates.
  • the number of mechanical oil production wells in China currently accounts for more than 90% of the total number of oil wells, of which oil pumping oil wells account for about 80%, and oil production accounts for more than 75% of total production.
  • the pumping unit adjusts the replacement of the belt and the pulley, as well as the motor or the use of a relatively high investment frequency conversion cabinet, which greatly increases the production cost.
  • the utility model provides a beltless beam pumping unit.
  • a beltless beam pumping unit comprising a base, a bracket, a beam, a connecting rod, a connecting rod shaft, a crank, an output shaft, a gearbox, a motor, and a base of the base
  • the side is a bracket, the other side is equipped with a gearbox; the bracket is fixed with a ladder, the upper part of the bracket is connected with the beam, the beam is provided with a balance beam at one end, and the other end is connected with the sucker rod; the lower part of the balance beam is fixed
  • the slot beam is connected to the connecting rod through the slot beam shaft, the connecting rod is connected to the output shaft through the connecting rod shaft, the crank is connected; the output shaft is fixed on one side of the gearbox, the gearbox is gear transmission, and the upper side of the gearbox is
  • the shift handle and the brake handle are respectively provided, the other side of the gearbox is a motor, the inner side of the motor is connected with a coupling, the coupling is connected with the
  • the motor coupling is meshed with the first-stage reduction transmission gear, the first-stage reduction transmission gear meshes with the 2-stage reduction transmission gear, the 2-stage reduction transmission gear meshes with the 3-stage reduction transmission gear, and the 3-stage reduction transmission gear passes the shift handle.
  • the first-stage shifting gear is connected, the brake lever is mounted on the 3-stage reduction transmission gear; the 3-stage reduction transmission gear is meshed with the 3-speed gear, the 3-speed gear is coaxial with the 4-speed gear, the 5-speed gear, and the 5-speed gear
  • the two-stage variable-speed gear meshes with the first-order variable-speed gear, the first-stage shifting gear meshes with the output shaft gear, the output shaft gear is coaxial with the elastic coupling and the output shaft, and the shifting handle is connected with the shifting gear.
  • the utility model has the beneficial effects that the motor power is reduced by 50% compared with the original motor power; the pure mechanical speed control is durable and reliable, and the maintenance and repair cost is reduced by 60%; the probability of frequent motor stolen is greatly reduced.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a schematic view showing the structure of the gearbox of the present invention.
  • 1 gearbox
  • 2 shifting handle
  • 3 brake handle
  • 4 motor
  • 5 coupling
  • 6 base
  • 7 connecting rod shaft
  • 8 bracket
  • 9 beam
  • 10 beam Balance block
  • 11 is groove beam
  • 12 is groove beam shaft
  • 13 is connecting rod
  • 14 crank
  • 15 is output shaft
  • 16 is 1 grade reduction transmission gear
  • 17 is 2 grade reduction transmission gear
  • 18 is 3 grade reduction transmission Gear
  • 19 is a 3rd gear
  • 20 is a 4th gear
  • 21 is an output shaft gear
  • 22 is an elastic coupling
  • 23 is a 1st gear
  • 24 is the output shaft
  • 25 is a 5th gear
  • 26 2-speed gear.
  • a beltless beam pumping unit comprises a base, a bracket, a beam, a connecting rod, a connecting rod shaft, a crank, an output shaft, a gearbox and a motor, wherein one side of the base is a bracket and the other side is mounted There is a gearbox; a ladder is fixed on the bracket, the upper part of the bracket is connected with the beam, the beam is provided with a balance beam at one end, and the other end is connected with the sucker rod; the lower part of the balance beam is fixed with a groove beam, and the groove beam passes through the groove
  • the beam shaft is connected with the connecting rod, the connecting rod is connected with the output shaft through the connecting rod shaft, the crank; the output shaft is fixed on one side of the gearbox, the gearbox is geared, and the upper part of the gearbox is respectively equipped with a shifting handle and a brake
  • the handle, the other side of the gearbox is a motor, the inner side of the motor is connected with a coupling, the coupling is connected with the gearbox body, and
  • the motor coupling is meshed with the first-stage reduction transmission gear, the first-stage reduction transmission gear meshes with the 2-stage reduction transmission gear, the 2-stage reduction transmission gear meshes with the 3-stage reduction transmission gear, and the 3-stage reduction transmission gear passes the shift handle.
  • the first-stage shifting gear is connected, the brake lever is mounted on the 3-stage reduction transmission gear; the 3-stage reduction transmission gear is meshed with the 3-speed gear, the 3-speed gear is coaxial with the 4-speed gear, the 5-speed gear, and the 5-speed gear
  • the two-stage variable-speed gear meshes with the first-order variable-speed gear, the first-stage shifting gear meshes with the output shaft gear, the output shaft gear is coaxial with the elastic coupling and the output shaft, and the shifting handle is connected with the shifting gear.
  • the reduction drive gear is connected to the first-stage shifting gear through the shifting handle to realize the output shaft speed of 0.5 times/min.
  • the two-stage shifting gear is connected to realize the output shaft speed of 1 time/min, and the three-stage shifting gear is connected to realize the output shaft speed of 1.5 times/ Min, connect the 4-speed gear, realize the output shaft speed 2 times / min, connect the 5-speed gear, and realize the output shaft speed 3 times / min.
  • the high-speed rotary motion of the direct-coupled motor is transmitted to the input shaft of the reduction gearbox, and the output shaft is driven by the intermediate shaft, and the output shaft drives the crank to perform a low-speed rotary motion.
  • the crank is pulled by the connecting rod through the beam and the rear arm swings.
  • the hoe is swayed up and down along with the raft, and the rafter drives the piston to reciprocate up and down, so that the oil can be pumped out of the wellbore.
  • the setting of the handle brake is that the brake can be directly braked by the simple action of the wrench handle without the need to power off, which saves time and labor.
  • the gearbox has 5 shifting gears with 2 handle controls, the left handle has three low, high and middle gears, and the right handle has two high and low gears. Switch to the desired speed by shifting the handle.
  • Gears with equal pitches mesh with each other, and the pressure angle a is increased during the design process.
  • the tooth thickness of the gears and the radius of curvature of the tooth profile at the joints also increase, which improves the bending strength and contact strength of the gear transmission.
  • the motor and the reducer are directly connected together, mainly through the transition flange and the motor output shaft directly with a first-stage pinion. This connection is not only convenient, compact, and beautiful, which mainly improves the power and reduces the noise.
  • the gearbox needs to transmit the torque of the motor, so the gearbox should be connected to the motor output shaft.
  • the flexible coupling connection eliminates the different axial degrees between the motor output shaft and the input shaft of the reducer, so that the two shafts transmit torque. Very good for shock absorption. Eliminating the complexity of conventional pumping units reduces costs.

Abstract

一种无皮带式游梁抽油机，包括底座（6）、支架（8）、游梁（9）、连杆（13）、连杆轴（7）、曲柄（14）、输出轴（15）、变速箱（1）、电机（4），底座（6）的一侧为支架（8），另一侧安装有变速箱（1）；支架（8）上固定有人梯，支架（8）上部连接游梁（9），游梁（9）的一端设有游梁平衡块（10），另一端与抽油杆连接；游梁平衡块（10）的下部固定有槽梁（11），槽梁（11）通过槽梁轴（12）与连杆（13）连接，连杆（13）通过连杆轴（7）、曲柄（14）与输出轴（15）连接；输出轴（15）固定于变速箱（1）的一侧上，变速箱（1）为齿轮传动，变速箱（1）上部一侧分别装有换挡手柄（2）和刹车手柄（3），变速箱（1）的另一侧为电机（4），电机（4）的内侧连接有联轴器，联轴器与变速箱体连接，换挡手柄（2）可调速；变速箱（1）包括变速齿轮（23、26、19、20、25）、减速传动齿轮（16、17、18）、输出轴齿轮（21）、弹性联轴器（22）；变速齿轮为5级，减速速传动齿轮为3级。优点是电机功率比原电机功率减小50%，纯机械调速皮实耐用、可靠性强，大大降低了电机频繁被盗的概率。

Description

一种无皮带式游梁抽油机 技术领域
本实用新型涉及石油抽油装置，尤其涉及的是一种无皮带式游梁抽油机。
背景技术
油田目前面临低油价高成本现状，以及油田进入注水开发的中后期，开发深度和难度与日惧增。油田供液能力明显不足，虽然各油田对采油设备采取了多种技术措施，但机械采油设备仍占据主导地位。
据统计，我国目前机械采油井的数量占油井总数的90％以上，其中抽油机油井占80％左右，采油量占总产量的75％以上。
实践表明，油梁式抽油机尽管是使用制造经验较为成熟的机型，在低油价下，挖潜增效降低投资减少维修维护成本。抽油机调冲次更换皮带和皮带轮，以及电机或者使用投资比较高的变频柜，都大大增加了采油成本。
实用新型内容
为避免现有技术的不足，本实用新型提供一种无皮带式游梁抽油机。
本实用新型的技术方案是：一种无皮带式游梁抽油机，包括底座、支架、游梁、连杆、连杆轴、曲柄、输出轴、变速箱、电机，所述的底座的一侧为支架，另一侧安装有变速箱；支架上固定有人梯，支架上部连接游梁，游梁的一端设有游梁平衡块，另一端与抽油杆连接；游梁平衡块的下部固定有槽梁，槽梁通过槽梁轴与连杆连接，连杆通过连杆轴、曲柄与输出轴连接；输出轴固定于变速箱的一侧上，变速箱为齿轮传动，变速箱上部一侧分别装有换挡手柄和刹车手柄，变速箱的另一侧为电机，电机的内侧连接有联轴器，联轴器与变速箱体连接，变挡手柄可调速；所述的变速箱包括变速齿轮、减速传动齿轮、输出轴齿轮、弹性联轴器；所述的变速齿轮为5级，所述的减速速传动齿轮为3级。
所述的电机联轴器与1级减速传动齿轮啮合，1级减速传动齿轮与2级减速传动齿轮啮合，2级减速传动齿轮与3级减速传动齿轮啮合，3级减速传动齿轮通过变档手柄连接1级变速齿轮，刹车手柄安装于3级减速传动齿轮上；3级减速传动齿轮与3级变速齿轮啮合，3级变速齿轮与4级变速齿轮、5级变速齿轮同轴，5级变速齿轮分别与2级变带齿轮和1级变速齿轮啮合，1级变速齿轮与输出轴齿轮啮合，输出轴齿轮与弹性联轴器及输出轴同轴；变档手柄与变速齿轮连接。
本实用新型的有益效果是：电机功率比原电机功率减小50％；纯机械调速皮实耐用，可靠性强；维修维护成本降低60％；大大降低了电机频繁被盗的概率。
附图说明
图1为本实用新型的结构示意图。
图2为本实用新型变速箱的结构示意图。
其中1为变速箱，2为换挡手柄，3为刹车手柄，4为电机，5为联轴器，6为底座，7为连杆轴，8为支架，9为游梁，10为游梁平衡块，11为槽梁，12为槽梁轴，13为连杆，14为曲柄，15为输出轴，16为1级减速传动齿轮，17为2级减速传动齿轮，18为3级减速传动齿轮，19为3级变速齿轮，20为4级变速齿轮，21为输出轴齿轮，22为弹性联轴器，23为1级变速齿轮，24为输出轴，25为5级变速齿轮，26为2级变速齿轮。
具体实施方式
下面结合附图对本实用新型做进一步描述；
一种无皮带式游梁抽油机，包括底座、支架、游梁、连杆、连杆轴、曲柄、输出轴、变速箱、电机，所述的底座的一侧为支架，另一侧安装有变速箱；支架上固定有人梯，支架上部连接游梁，游梁的一端设有游梁平衡块，另一端与抽油杆连接；游梁平衡块的下部固定有槽梁，槽梁通过槽梁轴与连杆连接，连杆通过连杆轴、曲柄与输出轴连接；输出轴固定于变速箱的一侧上，变速箱为齿轮传动，变速箱上部一侧分别装有换挡手柄和刹车手柄，变速箱的另一侧为电机，电机的内侧连接有联轴器，联轴器与变速箱体连接，变挡手柄可调速；所述的变速箱包括变速齿轮、减速传动齿轮、输出轴齿轮、弹性联轴器；所述的变速齿轮为5级，所述的减速速传动齿轮为3级。
所述的电机联轴器与1级减速传动齿轮啮合，1级减速传动齿轮与2级减速传动齿轮啮合，2级减速传动齿轮与3级减速传动齿轮啮合，3级减速传动齿轮通过变档手柄连接1级变速齿轮，刹车手柄安装于3级减速传动齿轮上；3级减速传动齿轮与3级变速齿轮啮合，3级变速齿轮与4级变速齿轮、5级变速齿轮同轴，5级变速齿轮分别与2级变带齿轮和1级变速齿轮啮合，1级变速齿轮与输出轴齿轮啮合，输出轴齿轮与弹性联轴器及输出轴同轴；变档手柄与变速齿轮连接。
实施例
减速传动齿轮通过变档手柄连接1级变速齿轮，实现输出轴转速0.5次/min，连接2级变速齿轮，实现输出轴转速1次/min，连接3级变速齿轮，实现输出轴转速1.5次/min，连接4级变速齿轮，实现输出轴转速2次/min，连接5级变速齿轮，实现输出轴转速3次/min。
通过直联电机的高速旋转运动传递给减速箱的输入轴，经中间轴后带动输出轴，输出轴带动曲柄做低速旋转运动。
曲柄通过连杆经横梁拉着游粱后臂摆动。
驴头随同游粱一起上下摆动，游粱驴头便带动活塞做上下往复运动，这样就可以将油抽出井筒。
手柄刹车的设置就是在不需要断电的情况下，用手去扳手柄这样简单动作就可以直接刹车，即省时又省力。
减速箱设置5个变速挡位分别有2个手柄控制，左面的手柄设置了低、高、中三个挡，右面的手柄设置了高、低两个档位。通过换挡手柄来切换到所需要的速度。
齿距相等的齿轮相互啮合，在设计过程中增大了压力角a，齿轮的齿厚及节点处的齿廓曲率半径也随之增加，这样就提高了齿轮传动的弯曲强度及接触强度。
电机与减速机直接连接在一起，主要通过过渡法兰和电机输出轴直接带一级小齿轮的方式，这样的连接不仅方便，结构紧凑，美观主要是提高了功率，降低了噪音。
齿轮箱要传递电机的扭矩，所以齿轮箱要和电机输出轴连接，运用弹性联轴器连接消除了电机输出轴与减速机输入轴之间的不同轴度，使两根轴传递扭矩，还很好的起到了减震作用。省去了常规抽油机复杂装置从而降低了成本。

Claims (2)

  1. 一种无皮带式游梁抽油机，包括底座、支架、游梁、连杆、连杆轴、曲柄、输出轴、变速箱、电机，其特征在于：所述的底座的一侧为支架，另一侧安装有变速箱；支架上固定有人梯，支架上部连接游梁，游梁的一端设有游梁平衡块，另一端与抽油杆连接；游梁平衡块的下部固定有槽梁，槽梁通过槽梁轴与连杆连接，连杆通过连杆轴、曲柄与输出轴连接；输出轴固定于变速箱的一侧上，变速箱为齿轮传动，变速箱上部一侧分别装有换挡手柄和刹车手柄，变速箱的另一侧为电机，电机的内侧连接有联轴器，联轴器与变速箱体连接，变挡手柄可调速；所述的变速箱包括变速齿轮、减速传动齿轮、输出轴齿轮、弹性联轴器；所述的变速齿轮为5级，所述的减速速传动齿轮为3级。
  2. 根据权利要求1所述的一种无皮带式游梁抽油机，其特征在于：所述的电机联轴器与1级减速传动齿轮啮合，1级减速传动齿轮与2级减速传动齿轮啮合，2级减速传动齿轮与3级减速传动齿轮啮合，3级减速传动齿轮通过变档手柄连接1级变速齿轮，刹车手柄安装于3级减速传动齿轮上；3级减速传动齿轮与3级变速齿轮啮合，3级变速齿轮与4级变速齿轮、5级变速齿轮同轴，5级变速齿轮分别与2级变带齿轮和1级变速齿轮啮合，1级变速齿轮与输出轴齿轮啮合，输出轴齿轮与弹性联轴器及输出轴同轴；变档手柄与变速齿轮连接。
PCT/CN2015/095556 2015-09-19 2015-11-25 一种无皮带式游梁抽油机 WO2017045270A1 (zh)

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CN108039796A (zh) * 2018-02-02 2018-05-15 付竞 抽油机传动装置

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