WO2014067036A1 - 井架式长冲程液压抽油机 - Google Patents

井架式长冲程液压抽油机 Download PDF

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Publication number
WO2014067036A1
WO2014067036A1 PCT/CN2012/001598 CN2012001598W WO2014067036A1 WO 2014067036 A1 WO2014067036 A1 WO 2014067036A1 CN 2012001598 W CN2012001598 W CN 2012001598W WO 2014067036 A1 WO2014067036 A1 WO 2014067036A1
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WO
WIPO (PCT)
Prior art keywords
cylinder
oil
hydraulic
pumping unit
derrick
Prior art date
Application number
PCT/CN2012/001598
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English (en)
French (fr)
Inventor
项中新
周国峰
Original Assignee
南通新中国际贸易有限公司
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 南通新中国际贸易有限公司 filed Critical 南通新中国际贸易有限公司
Priority to US14/651,383 priority Critical patent/US9903361B2/en
Publication of WO2014067036A1 publication Critical patent/WO2014067036A1/zh

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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
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
    • F04B47/026—Pull rods, full rod component parts
    • 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
    • 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
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/20—Other positive-displacement pumps
    • F04B19/22—Other positive-displacement pumps of reciprocating-piston type

Definitions

  • the present invention relates to a pumping oil, and more particularly to a derrick type long stroke hydraulic pumping unit.
  • the pumping unit is a kind of machine for extracting oil. It is commonly known as the “head machine”, which makes the oil out of the well by means of pressure.
  • oil fields generally use the “three pumping” (pumping pump, sucker rod, pumping unit) for oil production.
  • the existing derrick type long-stroke hydraulic pumping unit adopts a tilting ladder shape for the frame of the hydraulic pumping unit, which wastes materials on the one hand, and is not fast on the other hand, and is inconvenient to repair and cannot meet the use requirements.
  • the hydraulic control system of the existing hydraulic pumping unit is complicated, and the maintenance and technical requirements are high, which cannot meet the production and energy saving requirements of the user unit.
  • the existing oil pumping cylinder structure has the defects of complicated structure, low work efficiency and poor sealing performance, and after long-term use, the cylinder casing is easily worn, which affects the working efficiency and service life.
  • the hydraulic pumping unit is repairing, it is necessary to drop the counterweight blue or cylinder to the ground or the end. When the maintenance is over, return the counterweight blue or cylinder to the original position and hang the load.
  • the weight of the counterweight blue or the cylinder is very heavy, which brings great difficulty to return to the in-situ work. Therefore, an improved technology is urgently needed to solve the series of problems existing in the prior art.
  • the object of the present invention is to provide a derrick type long stroke hydraulic pumping unit with reasonable structure, long service life, high work efficiency and resource saving.
  • the technical solution adopted by the present invention is:
  • a derrick long-stroke hydraulic pumping unit including a frame, a counterweight blue, a sucker rod side cylinder, a counterweight blue side cylinder, a hydraulic station, and a sirloin assembly for fixing the wire rope
  • the top of the frame is provided with six sets of fixed a pulley and a guardrail, wherein the sucker rod side cylinder and the bottom of the counterweight blue side cylinder are respectively provided with a movable pulley, and the weight blue is provided with a wire rope fixing mechanism, and the weight blue is respectively passed through the wire rope on the fixed pulley and the movable pulley; Burdock component connection,
  • the cylinder side cylinder and the weight side cylinder each include a cylinder assembly, each of the cylinder assemblies includes a cylinder barrel, one end of the cylinder is provided with a cylinder head, and the other end of the cylinder is provided with a cylinder cap assembly
  • the cylinder casing is provided with a cylinder casing
  • the cylinder casing is a double-layer cylinder casing
  • the cylinder cylinder is internally provided with a piston and a piston rod
  • the piston rod is provided with a plurality of annular oil grooves
  • the cap assembly includes a cylinder cap body, and an upper portion of the cylinder cap body is provided with a pressure sleeve mechanism, and the pressure sleeve mechanism is fixedly connected to the cylinder cap body through a fixing member
  • the cylinder cap body includes an inner cylinder body and an outer cylinder body.
  • the two ends of the inner cylinder and the outer cylinder are connected by a ring plate, and the inner cylinder body is provided with an oil discharge port, the pressure sleeve mechanism comprises a pressure sleeve, and a dust jacket is embedded in the pressure sleeve.
  • the upper part of the dust jacket is provided with a dust jacket gland, and the oil scraping mechanism is arranged between the cylinder cap body and the pressure sleeve mechanism, and the oil scraping mechanism comprises a felt groove, a felt pad and an upper part of the felt groove.
  • a pressure plate the pressure plate is fixedly connected with the felt groove;
  • the hydraulic circuit of the hydraulic station is a hydraulic system including a power driving module and a oil circuit module.
  • the power driving module includes a fuel tank and a power mechanism I and a power mechanism II connected to the oil tank, and the fuel tank is provided with a liquid level gauge
  • the liquid level controller, the air filter and the temperature controller, the power mechanism I and the power mechanism II each include a plunger pump and an electric motor connected to the plunger pump through the coupling, and the oil of the plunger pump and the oil tank Between the mouth, the butterfly is wide, the column A check valve is arranged on the oil outlet of the plug pump, and the check valve is connected with the pressure gauge through the pressure measuring joint and the pressure measuring hose.
  • the oil circuit module includes the electro-hydraulic reversing valve I and the electro-hydraulic reversing valve II, electro-hydraulic exchange
  • the accumulator is connected to the valve I and the electro-hydraulic reversing valve II through a high-pressure ball valve, and an electromagnetic unloading valve is arranged between the electro-hydraulic reversing valve I and the power mechanism I, and an overflow is connected to the electro-hydraulic reversing valve valve.
  • the wire rope fixing mechanism is fixedly mounted on the beam of the weight blue, and comprises a rocking plate.
  • the rocking plate is provided with a rope blocking plate on both sides thereof, and the wire rope plate is fixedly connected to the rocking plate through the fixing member.
  • the frame comprises four vertically arranged columns, and the upper and lower ends of the column are provided with end cover plates, and the four columns are provided with a plurality of transverse supports from top to bottom in the same plane.
  • Two diagonal braces are arranged between the two cross braces, and the top of the top of the column is provided with a tripod.
  • the tripod is fixedly connected with the two sides of the top of the column by a hinge, and the cross bar is provided with a bolt.
  • the guide plate assembly comprising a guide body and a tightening wheel assembly, the tightening wheel assembly being mounted on the guide body by a tightening wheel mounting plate
  • the cross-rope structure comprising a cross arm, the cross The support is fixedly connected to the cross bracing of the frame, and the cross arm is mounted with a bolting wheel, and an adjusting member is disposed between the bolting wheel and the cross arm.
  • the fixing member is a bolt.
  • a sealing ring is arranged at a joint between the cylinder head and the cylinder casing.
  • a sealing gasket is arranged at a joint between the pressure sleeve mechanism and the cylinder cap body.
  • An air cooler is mounted on the fuel tank, and the air cooler is connected to the pressure gauge through a pressure measuring joint and a pressure measuring hose.
  • a damping throat is arranged between the plunger pump and the butterfly valve.
  • the adjustment member is a pin.
  • the guide plate body is provided with four tightening wheel assemblies arranged diagonally.
  • the derrick type long-stroke hydraulic pumping unit of the invention has the vertical column of the rack, which is beneficial to save production cost, and has a tripod on both sides of the top of the column, and the tripod and the top of the column are fixedly connected by hinges on both sides. Increased robustness for easy maintenance.
  • the hydraulic control system of the hydraulic station of the invention has high control sensitivity and high degree of automation, which is beneficial to saving resources and improving work efficiency.
  • the cylinder structure of the pumping unit of the invention adopts a double-layer cylinder shell design, which can prolong the service life of the cylinder shell and reduce resource consumption. There are a plurality of annular oil grooves on the piston rod, which can make the oil on the piston rod form a closed loop and realize recycling, which can save resources and improve work efficiency.
  • the rope crossarm is arranged on the cross bracing of the frame, the structure is simple, the resource consumption is low, and the use is convenient.
  • the weight blue or the cylinder can be kept not falling during the maintenance, and the weight blue or the cylinder stays in the position, so that the maintenance is over. After that, the work can be resumed quickly and the working time is saved.
  • the wire rope fixing mechanism is arranged on the beam of the weight blue to avoid the displacement of the wire rope caused by the long-term work of the weight blue steel wire rope, and the occurrence of a safety accident can be avoided.
  • the cylinder side oil cylinder and the counterweight side cylinder are not provided with the cylinder leakage oil recovery telescopic mechanism, which can effectively save resources.
  • the invention has the advantages of reasonable structure, long service life, high work efficiency and resource saving.
  • Figure 1 is a schematic view of the overall structure of the present invention.
  • Figure 2 is a front view of Figure 1.
  • Figure 3 is a schematic view of the structure of the rack.
  • Figure 4 is a schematic view of the structure of the guide plate.
  • Figure 5 is a schematic view of the cross-tie structure of the tether.
  • Figure 6 is a schematic view of the hydraulic cylinder of the pumping unit.
  • Figure 7 is a schematic view of the structure of the cylinder assembly.
  • Figure 8 is a schematic view showing the structure of the cylinder cap assembly.
  • Figure 9 is a schematic view showing the structure of the weight blue wire rope fixing mechanism.
  • Figure 10 is an enlarged view of Figure 9A.
  • Figure 11 is a schematic view showing the structure of the hydraulic system of the hydraulic station.
  • the derrick type long-stroke hydraulic pumping unit of the present invention comprises a frame 1, a counterweight blue 2, a sucker rod side cylinder 3, a counterweight blue side cylinder 4, a hydraulic station 5, and a fixed wire rope.
  • the burdock assembly 6, the top of the frame 1 is provided with six sets of fixed pulleys 7 and a guardrail 8, and the bottom of the sucker rod side cylinder 3 and the counterweight blue side cylinder 4 are provided with a movable pulley 9, and the weight blue 1 is provided with a wire rope.
  • the fixing mechanism 10, the weight blue 2 is connected to the fixed pulley 7, the movable pulley 9 and the burd assembly 6 by the steel wire rope, and the cylinder side cylinder 3 and the weight side cylinder 4 each include a cylinder assembly, and the cylinder assembly includes a cylinder 25, one end of the cylinder 25 is provided with a cylinder head 26, the other end of the cylinder 25 is provided with a cylinder head assembly 27, the cylinder 25 is provided with a cylinder casing 28, the cylinder casing 28 is a double cylinder casing, and the cylinder head 26 is The cylinder housing 28 is provided with a sealing ring 71.
  • the cylinder barrel 25 is internally provided with a piston 29 and a piston rod 30.
  • the piston rod 30 is provided with a plurality of annular oil grooves 31.
  • the cylinder head assembly 27 includes a cylinder cap body 32 and a cylinder cap body. The upper part of the 32 is provided with a pressure sleeve mechanism 73, and the pressure sleeve mechanism is fixedly connected to the cylinder cap body 32 through the fixing member 33, and the fixing member 33 is a bolt Compression means 32 connected to the cap body 73 of the cylinder 72 is provided with a gasket.
  • the cylinder cap body 32 includes an inner cylinder body 34 and an outer cylinder body 35. Both ends of the inner cylinder body 34 and the outer cylinder body 35 are connected by a ring plate 36.
  • the inner cylinder body 34 is provided with an oil discharge port 37, and the pressure sleeve mechanism includes
  • the pressure sleeve 38 has a dust jacket 39 embedded therein, and a dust jacket 39 is disposed on the upper portion of the dust jacket 39.
  • the oil scraping mechanism 74 is disposed between the cylinder cap body 32 and the pressure sleeve mechanism.
  • the mechanism 74 includes a felt groove 41, a felt pad 42 and a pressure plate 43 disposed on the upper portion of the felt groove 41.
  • the pressure plate 43 is fixedly connected to the felt groove 41.
  • the hydraulic circuit of the hydraulic station 5 is a hydraulic system including a power drive module 70 and an oil circuit.
  • the power drive module 70 includes a fuel tank 46 and a power mechanism I 60 and a power mechanism 1167 connected to the fuel tank 46.
  • the fuel tank 1 is provided with a liquid level gauge 47, a liquid level controller 63, an air cleaner 48, and temperature control.
  • the power unit I 60 and the power mechanism 1167 each include a plunger pump 50 and an electric motor 51 connected to the plunger pump 50 via a coupling 49.
  • a butterfly valve 65 is disposed between the plunger pump 50 and the oil outlet of the oil tank 46.
  • the oil outlet of the plunger pump 50 is provided with a check valve 55.
  • the check valve 55 is connected to the pressure gauge 53 through the pressure measuring joint 52 and the pressure measuring hose 68.
  • the oil circuit module 54 includes an electro-hydraulic reversing valve I 57 and The electro-hydraulic reversing valve 1159, the electro-hydraulic reversing valve I 57 and the electro-hydraulic reversing valve II 59 are connected to the accumulator 62 via the high-pressure ball valve 61, and the electro-hydraulic reversing valve 1 57 and the power mechanism 1 60 are disposed between The electromagnetic unloading valve 56 and the electrohydraulic reversing valve II 59 are connected to the relief valve 58.
  • An air cooler 64 is mounted on the oil tank 46, and the air cooler 64 is connected to the pressure gauge 53 via a pressure measuring joint 52 and a pressure measuring hose 68.
  • a damping throat 66 is provided between the plunger pump 50 and the butterfly valve 65.
  • the wire rope fixing mechanism 10 is fixedly mounted on the beam of the weight blue, and includes a rocking plate 44.
  • the rocking plate 44 is provided with a rope blocking plate 45 on both sides thereof, and the rope blocking plate 45 is fixedly connected with the rocking plate 44 through the fixing member.
  • the frame 1 includes four vertically disposed columns 11 , and the upper and lower ends of the column 11 are respectively provided with end cover plates 12 .
  • the four columns 11 are provided with a plurality of cross braces 13 from top to bottom in the same plane.
  • the top of the top of the column 11 is provided with a tripod 15 .
  • the tripod 15 is fixedly connected to the top of the column 11 by a hinge 16 , and the cross braces 13 are connected
  • a tie-crossing structure 17 and a guide assembly 18 are provided.
  • the guide assembly 18 includes a guide body 19 and a take-up wheel assembly 20, and the take-up wheel assembly 20 is mounted on the guide body 19 via a tightening wheel mounting plate 21, and the guide body 19 is provided Four tension wheel assemblies 20 arranged diagonally.
  • the tether cross-arm structure 17 includes a cross arm 22, and the cross arm 22 is fixedly connected to the cross braces 13 of the frame, and the cross arm 22
  • a bolting wheel 23 is mounted thereon, and an adjusting member 24 is disposed between the bolting wheel 23 and the cross arm 22, and the adjusting member 24 is a pin shaft.

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Abstract

一种井架式长冲程液压抽油机，包括机架（1）、配重篮（2）、抽油杆侧油缸（3）、配重篮侧油缸（4）、液压站（5）以及牛扼组件（6）。抽油杆侧油缸和配重篮侧油缸包括缸筒（25），缸筒的外部设有缸壳（28），缸壳为双层缸壳，所述缸筒内部设有活塞（29）和活塞杆（30），活塞杆上开有多条环形油沟（31），缸帽组件包括缸帽体（32），缸帽体的上部设有压套机构（73），缸帽体与压套机构之间设有刮油机构（74），所述压套机构包括压套（38），压套内部嵌设有防尘套（39），防尘套的上部设有防尘套压盖（40），刮油机构包括毡槽（41）、毡垫（42）以及设于毡槽上部的压板（43）。该抽油机结构合理、使用寿命久、工作效率高、节约资源。

Description

井架式长冲程液压抽油机
技术领域
本发明涉及一种抽机油， 尤其涉及一种井架式长冲程液压抽油 机。
背景技术
抽油机是开采石油的一种机器设备，俗称 "磕头机" ， 通过加压 的办法使石油出井。 目前， 油田普遍使用 "三抽" （抽油泵、 抽油杆、 抽油机)方式进行采油作业。 现有的井架式长冲程液压抽油机， 液压 抽油机的机架采用的是倾斜梯形状， 一方面浪费材料， 另一方面牢固 度也不高， 维修不方便， 不能满足使用需求。现有的液压抽油机的液 压控制系统复杂， 使用维护技术要求高， 不能满足使用单位的生产与 节能需求。 现有的抽油机油缸结构， 存在着结构复杂， 工作效率低， 密封性差等缺陷， 且长时间使用后， 缸壳容易磨损， 影响其工作效率 和使用寿命。 另外， 液压抽油机在维修时， 需要把配重蓝或油缸下落 至地面或到底，维修结束的时候再把配重蓝或者油缸恢复到原来的位 置， 挂上负荷。但是配重蓝或油缸的重量很重， 给恢复到原位工作带 来了很大的困难， 因此， 急需一种改进的技术来解决现有技术中 所存在的这一系列问题。
发明内容
本发明的目的是： 针对以上不足， 提供一种结构合理、 使用 寿命久、 工作效率高、 节约资源的井架式长冲程液压抽油机。 为实现上述目的， 本发明采用的技术方案是：
井架式长冲程液压抽油机， 包括机架、 配重蓝、抽油杆侧油缸、 配重蓝侧油缸、液压站以及固定钢丝绳的牛扼组件， 所述机架的顶部 设有六组定滑轮以及护栏，所述抽油杆侧油缸和配重蓝侧油缸的底部 均设有动滑轮， 所述配重蓝上设有钢丝绳固定机构， 所述配重蓝通过 钢丝绳分别于定滑轮、 动滑轮以及牛扼组件连接，
所述抽油缸侧油缸和配重侧油缸均包括缸筒组件， 所述缸筒组 件均包括缸筒， 所述缸筒的一端设有缸头， 所述缸筒的另一端设有缸 帽组件， 所述缸筒的外部设有缸壳， 所述缸壳为双层缸壳， 所述缸筒 内部设有活塞和活塞杆， 所述活塞杆上开有多条环形油沟， 所述缸帽 组件包括缸帽体， 所述缸帽体的上部设有压套机构， 所述压套机构通 过固定件与缸帽体固定连接， 所述缸帽体包括内筒体和外筒体， 所述 内筒体和外筒体的两端通过环板相连接， 所述内筒体上设有卸油口， 所述压套机构包括压套， 所述压套内部嵌设有防尘套， 所述防尘套的 上部设有防尘套压盖， 所述缸帽体与压套机构之间设有刮油机构，所 述刮油机构包括毡槽、毡垫以及设于毡槽上部的压板， 所述压板与毡 槽固定连接；
所述液压站的液压回路为一液压系统，其包括动力驱动模块和油 路模块，动力驱动模块包括油箱以及与油箱相连接的动力机构 I和动 力机构 II， 所述油箱上设有液位计、 液位控制器、 空气滤清器以及温 度控制器，动力机构 I和动力机构 II均包括柱塞泵以及通过联轴器与 柱塞泵连接的电动机， 所述柱塞泵与油箱的出油口之间设有蝶阔， 柱 塞泵的出油口上设有单向阀，单向阀通过测压接头和测压软管与压力 表连接， 油路模块包括电液换向阀 I和电液换向阀 II， 电液换向阀 I和电液换向阀 II均通过高压球阀连接有蓄能器，电液换向阀 I和动 力机构 I之间设有电磁卸荷阀， 电液换向阀 Π上连接有溢流阀。
所述钢丝绳固定机构， 固定安装于配重蓝的横梁上， 包括摇板， 所述摇板的两侧设有挡绳板， 所述挡绳板通过固定件与摇板固定连 接。
所述机架包括四根垂直设置的立柱，所述立柱的上、下端部均设 有端盖板，所述四根立柱之间从上至下依次设有多根横撑， 位于同一 平面的两根横撑之间设有交叉设置的两根斜撑，所述立柱的顶部两侧 设有三角架， 所述三角架与立柱顶部两侧通过铰链固定连接， 所述横 撑上设有栓绳横担结构和导板组件，所述导板组件包括导板体以及加 紧轮组件，所述加紧轮组件通过加紧轮安装板安装于导板体上， 所述 栓绳横担结构包括横担， 所述横担与机架的横撑固定连接， 所述横担 上安装有栓绳轮， 所述栓绳轮与横担之间设有调节件。
所述固定件为螺栓。
所述缸头与缸壳连接处设有密封圈。
所述压套机构与缸帽体连接处设有密封垫。
所述油箱上安装有风冷却器，风冷却器通过测压接头和测压软管 与压力表连接。
所述柱塞泵与蝶阀之间设有减震喉。
所述调节件为销轴。 所述导板体上设有成对角线排列的四个加紧轮组件。
本发明井架式长冲程液压抽油机， 设置机架的立柱为垂直直立 式， 有利于节约生产成本， 在立柱的顶部两侧设有三角架， 三角架与 立柱顶部两侧通过铰链固定连接， 牢固度增加， 便于维修。本发明液 压站的液压控制系统， 控制灵敏度高， 自动化程度高， 有利于节约资 源和提高工作效率。本发明抽油机油缸结构，缸壳采用双层缸壳设计， 可以延长缸壳的使用寿命， 降低资源消耗。在活塞杆上开有多条环形 油沟， 可以使活塞杆上的油形成闭合回路， 实现循环使用， 可以节约 资源， 提高工作效率。 在机架的横撑上设置栓绳横担， 结构简单， 资 源消耗低， 使用方便， 在维修时可以保持配重蓝或油缸不下落， 保持 配重蓝或油缸停留在原位， 使维修结束后能迅速恢复工作， 节省了工 作时间。在配重蓝的横梁上设置钢丝绳固定机构其可以避免配重蓝钢 丝绳长期工作造成的钢丝绳发生位移， 可以避免安全事故的发生。本 发明井架式长冲程液压抽油机，抽油缸侧油缸和配重侧油缸均不设置 油缸泄漏油回收伸缩机构， 可有效的节约资源。
本发明的优点是： 结构合理、 使用寿命久、 工作效率高、 节约 资源。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细叙述。 图 1为本发明整体结构示意图。
图 2为图 1主视图。
图 3为机架结构示意图。 图 4为导板结构示意图。
图 5为栓绳横担结构示意图。
图 6为抽油机液压油缸结构示意图。
图 7为缸筒组件结构示意图。
图 8为缸帽组件结构示意图。
图 9为配重蓝钢丝绳固定机构结构示意图。
图 10为图 9 A处放大图。
图 11为液压站液压系统结构示意图。
其中： 1、 机架， 2、 配重蓝， 3、 抽油杆侧油缸， 4、 配重蓝侧 油缸， 5、 液压站， 6、 牛扼组件， 7、 定滑轮， 8、 护栏， 9、 动滑轮， 10、 钢丝绳固定机构， 11、 立柱， 12、 端盖板， 13、 横撑， 14、 斜撑， 15、 三角架， 16、 铰链， 17、 栓绳横担结构， 18、 导板组件， 19、 导 板体， 20、 加紧轮组件， 21、 加紧轮安装板， 22、横担， 23、 栓绳轮， 24、 调节件， 25 缸筒， 26、 缸头， 27、 缸帽组件， 28、 缸壳， 29、 活塞， 30、 活塞杆， 31、 环形油沟， 32、 缸帽体， 33、 固定件， 34、 内筒体， 35、 外筒体， 36、 环板， 37、 卸油口， 38、 压套， 39、 防尘 套， 40、 防尘套压盖， 41、 毡槽， 42、 毡垫， 43、 压板， 44、 摇板， 45、挡绳板， 46、 油箱， 47、 液位计， 48、 空气滤清器， 49、 联轴器， 50、 柱塞泵， 51、 电动机， 52、 测压接头， 53、 压力表， 54、 油路模 块， 55、 单向阀， 56、 电磁卸荷阀， 57、 电液换向阀 I， 58， 溢流阀， 59、 电液换向阔 Π , 60、 动力机构 I， 61、 高压球阀， 62、 蓄能器， 63、 液位控制器， 64、 风冷却器， 65、 蝶阔， 66、 减震喉， 67、 动力 机构 II， 68、 测压软管， 69、 温度控制器， 70、 动力驱动模块， 71、 密封圈， 72、 密封垫， 73、 压套机构， 74、 刮油机构。
具体实施方式
如图 1至 11所示， 本发明井架式长冲程液压抽油机， 包括机 架 1、 配重蓝 2、 抽油杆侧油缸 3、 配重蓝侧油缸 4、 液压站 5以及固 定钢丝绳的牛扼组件 6，机架 1的顶部设有六组定滑轮 7以及护栏 8， 抽油杆侧油缸 3和配重蓝侧油缸 4的底部均设有动滑轮 9， 配重蓝 1 上设有钢丝绳固定机构 10， 配重蓝 2通过钢丝绳分别于定滑轮 7、动 滑轮 9以及牛扼组件 6连接，抽油缸侧油缸 3和配重侧油缸 4均包括 缸筒组件， 所述缸筒组件包括缸筒 25， 缸筒 25的一端设有缸头 26， 缸筒 25的另一端设有缸帽组件 27， 缸筒 25的外部设有缸壳 28， 缸 壳 28为双层缸壳， 缸头 26与缸壳 28连接处设有密封圈 71， 缸筒 25 内部设有活塞 29和活塞杆 30， 活塞杆 30上开有多条环形油沟 31， 缸帽组件 27包括缸帽体 32， 缸帽体 32的上部设有压套机构 73， 压 套机构通过固定件 33与缸帽体 32固定连接，所述固定件 33为螺栓， 压套机构 73与缸帽体 32连接处设有密封垫 72。 缸帽体 32包括内筒 体 34和外筒体 35， 内筒体 34和外筒体 35的两端通过环板 36相连 接， 内筒体 34上设有卸油口 37， 压套机构包括压套 38， 压套 38内 部嵌设有防尘套 39， 防尘套 39的上部设有防尘套压盖 40， 缸帽体 32与压套机构之间设有刮油机构 74， 刮油机构 74包括毡槽 41、 毡 垫 42以及设于毡槽 41上部的压板 43， 压板 43与毡槽 41固定连接； 液压站 5的液压回路为一液压系统， 其包括动力驱动模块 70和油路 模块 54， 动力驱动模块 70包括油箱 46以及与油箱 46相连接的动力 机构 I 60和动力机构 1167，油箱 1上设有液位计 47、液位控制器 63、 空气滤清器 48 以及温度控制器 69， 动力机构 I 60和动力机构 1167 均包括柱塞泵 50以及通过联轴器 49与柱塞泵 50连接的电动机 51， 柱塞泵 50与油箱 46的出油口之间设有蝶阀 65， 柱塞泵 50的出油口 上设有单向阀 55， 单向阀 55通过测压接头 52和测压软管 68与压力 表 53连接， 油路模块 54包括电液换向阀 I 57和电液换向阀 1159， 电液换向阀 I 57和电液换向阀 II 59均通过高压球阀 61连接有蓄能器 62， 电液换向阀 1 57和动力机构 1 60之间设有电磁卸荷阀 56， 电液 换向阀 II 59上连接有溢流阀 58。 油箱 46上安装有风冷却器 64， 风 冷却器 64通过测压接头 52和测压软管 68与压力表 53连接。柱塞泵 50与蝶阀 65之间设有减震喉 66。 所述钢丝绳固定机构 10， 固定安 装于配重蓝的横梁上， 包括摇板 44， 摇板 44的两侧设有挡绳板 45， 挡绳板 45通过固定件与摇板 44固定连接，所述机架 1包括四根垂直 设置的立柱 11， 立柱 11的上、下端部均设有端盖板 12, 四根立柱 11 之间从上至下依次设有多根橫撑 13， 位于同一平面的两根横撑 13之 间设有交叉设置的两根斜撑 14， 立柱 11的顶部两侧设有三角架 15， 三角架 15与立柱 11顶部两侧通过铰链 16固定连接，横撑 13上设有 栓绳横担结构 17和导板组件 18， 导板组件 18包括导板体 19以及加 紧轮组件 20， 加紧轮组件 20通过加紧轮安装板 21安装于导板体 19 上， 导板体 19上设有成对角线排列的四个加紧轮组件 20。 栓绳横担 结构 17包括横担 22， 横担 22与机架的横撑 13固定连接， 横担 22 上安装有栓绳轮 23, 栓绳轮 23与横担 22之间设有调节件 24， 所述 调节件 24为销轴。

Claims

权利要求书
1、 井架式长冲程液压抽油机， 包括机架、 配重蓝、 抽油杆侧油缸、 配重蓝侧油缸、液压站以及固定钢丝绳的牛扼组件， 所述机架的顶部 设有六组定滑轮以及护栏，所述抽油杆侧油缸和配重蓝侧油缸的底部 均设有动滑轮， 所述配重蓝上设有钢丝绳固定机构， 所述配重蓝通过 钢丝绳分别于定滑轮、 动滑轮以及牛扼组件连接， 其特征在于： 所述抽油缸侧油缸和配重侧油缸均包括缸筒组件， 所述缸筒组 件包括缸筒， 所述缸筒的一端设有缸头， 所述缸筒的另一端设有缸帽 组件， 所述缸筒的外部设有缸壳， 所述缸壳为双层缸壳， 所述缸筒内 部设有活塞和活塞杆， 所述活塞杆上开有多条环形油沟， 所述缸帽组 件包括缸帽体， 所述缸帽体的上部设有压套机构， 所述压套机构通过 固定件与缸帽体固定连接， 所述缸帽体包括内筒体和外筒体， 所述内 筒体和外筒体的两端通过环板相连接， 所述内筒体上设有卸油口，所 述压套机构包括压套， 所述压套内部嵌设有防尘套， 所述防尘套的上 部设有防尘套压盖， 所述缸帽体与压套机构之间设有刮油机构， 所述 刮油机构包括毡槽、毡垫以及设于毡槽上部的压板， 所述压板与毡槽 固定连接；
所述液压站的液压回路为一液压系统，其包括动力驱动模块和油 路模块，动力驱动模块包括油箱以及与油箱相连接的动力机构 I和动 力机构 II， 所述油箱上设有液位计、 液位控制器、 空气滤清器以及温 度控制器，动力机构 I和动力机构 II均包括柱塞泵以及通过联轴器与 柱塞泵连接的电动机， 所述柱塞泵与油箱的出油口之间设有蝶阀， 柱 塞泵的出油口上设有单向阀，单向阀通过测压接头和测压软管与压力 表连接， 油路模块包括电液换向阀 I和电液换向阀 II， 电液换向阀 I和电液换向阀 II均通过高压球阀连接有蓄能器，电液换向阀 I和动 力机构 I之间设有电磁卸荷阀， 电液换向阀 II上连接有溢流阀。
2、 根据权利要求 1所述的井架式长冲程液压抽油机， 所述钢丝绳固 定机构， 固定安装于配重蓝的横梁上， 其特征在于： 包括摇板， 所述 摇板的两侧设有挡绳板， 所述挡绳板通过固定件与摇板固定连接。
3、 根据权利要求 1所述的井架式长冲程液压抽油机， 其特征在于： 所述机架包括四根垂直设置的立柱， 所述立柱的上、下端部均设有端 盖板， 所述四根立柱之间从上至下依次设有多根横撑， 位于同一平面 的两根横撑之间设有交叉设置的两根斜撑，所述立柱的顶部两侧设有 三角架，所述三角架与立柱顶部两侧通过铰链固定连接， 所述横撑上 设有栓绳横担结构和导板组件，所述导板组件包括导板体以及加紧轮 组件， 所述加紧轮组件通过加紧轮安装板安装于导板体上， 所述栓绳 横担结构包括横担， 所述横担与机架的横撑固定连接， 所述横担上安 装有栓绳轮， 所述栓绳轮与横担之间设有调节件。
4、 根据权利要求 1或 2所述的井架式长冲程液压抽油机， 其特征在 于： 所述固定件为螺栓。
5、 根据权利要求 1所述的井架式长冲程液压抽油机， 其特征在于： 所述缸头与缸壳连接处设有密封圈。
6、 根据权利要求 1所述的井架式长冲程液压抽油机， 其特征在于： 所述压套机构与缸帽体连接处设有密封垫。
7、 根据权利要求 1所述的井架式长冲程液压抽油机， 其特征在于： 所述油箱上安装有风冷却器，风冷却器通过测压接头和测压软管与压 力表连接。
8、 根据权利要求 1所述的井架式长冲程液压抽油机， 其特征在于： 所述柱塞泵与蝶阀之间设有减震喉。
9、 根据权利要求 3所述的井架式长冲程液压抽油机， 其特征在于： 所述调节件为销轴。
10、 根据权利要求 3所述的井架式长冲程液压抽油机， 其特征在于： 所述导板体上设有成对角线排列的四个加紧轮组件。
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CN202900184U (zh) * 2012-10-30 2013-04-24 南通新中国际贸易有限公司 井架式长冲程液压抽油机

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CN110566139A (zh) * 2019-08-19 2019-12-13 青岛北海俊惠电子仪表有限公司 液压修井机
CN113982543A (zh) * 2021-09-29 2022-01-28 赵连臣 一种多管式液压采油泵

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