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General beam type secondary regulation hydraulic energy saving system of secondary regulation

A beam pumping unit and secondary adjustment technology, which is applied to liquid variable capacity machinery, mechanical equipment, machines/engines, etc., can solve the problems of poor energy saving effect and short motor life.

Inactive Publication Date: 2007-12-05
山东严格产业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of poor energy-saving effect and short service life of the motor, the present invention proposes a secondary adjustment hydraulic energy-saving system for conventional beam pumping units

Method used

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  • General beam type secondary regulation hydraulic energy saving system of secondary regulation

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specific Embodiment approach 1

[0009] Specific Embodiment 1: This embodiment is described in conjunction with Fig. 1. This embodiment consists of an electric motor 1, a hydraulic pump / motor 2, a hydraulic accumulator assembly 4, a hydraulic accumulator 5, a hydraulic oil tank 7, and a conventional oil beam pumping unit It consists of an actuator 8, an oil supply pump 9, an electro-hydraulic control valve assembly 13, a controller 11 and a sensor 12; the second oil delivery port B of the hydraulic oil tank 7 is connected to the oil inlet of the oil supply pump 9, and the oil supply pump 9 is connected through a mechanical structure On the hydraulic pump / motor 2, the oil supply pump 9 is coaxial with the hydraulic pump / motor 2, the internal oil circuit is connected, the transmission shaft of the hydraulic pump / motor 2 is fixedly connected with the output shaft of the motor 1, the first output shaft of the hydraulic pump / motor The oil port is connected to one oil delivery port of the hydraulic accumulator assem...

specific Embodiment approach 2

[0010] Specific embodiment two: This embodiment is described in conjunction with Fig. 1. The difference between this embodiment and specific embodiment one is that a filter 6 is added, and the filter 6 is arranged on the oil inlet of the oil supply pump 9 and the second output port of the hydraulic oil tank 7. Between the oil port B, it can filter the oil. Other compositions and connection methods are the same as those in Embodiment 1.

specific Embodiment approach 3

[0011] Specific embodiment three: This embodiment is described in conjunction with FIG. 1. The difference between this embodiment and specific embodiment one is that the hydraulic accumulator assembly 4 is composed of a first stop valve 4-1, a second stop valve 4-2, and a one-way valve. 4-3 and safety valve 4-5; the oil delivery port of the hydraulic accumulator 5 is connected to an oil delivery port of the first shut-off valve 4-1, an oil delivery port of the second shut-off valve 4-2, and a one-way valve The oil outlet of 4-3 and the oil inlet of safety valve 4-5, the other oil delivery port of the first shut-off valve 4-1 is connected to the oil delivery port of hydraulic pump / motor 2, and the oil delivery port of the second shut-off valve 4-2 Another oil delivery port, the oil inlet of the one-way valve 4-3 and the oil outlet of the safety valve 4-5 are connected to the fourth oil delivery port D of the hydraulic oil tank 7 . The function of the first cut-off valve 4-1 is ...

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Abstract

Twice regulation hydraulic energy saving system of conventional beam pumping unit relates to energy saving system of beam pumping unit. It can solve the problem of bad energy saving effect on beam pumping unit and short life of motor. Second port of hydraulic oil box connects to oil inlet port of pump. Supply oil pump connects to hydraulic pump and motor. Axis of hydraulic pump / motor, supply oil pump and motor are fixed connected. Oil transfer pump of hydraulic pump and motor connects with oil transfer pump of hydraulic accumulator by the parts of accumulator. Oil out port of hydraulic pump and motor connects to the first port of hydraulic oil box. Bias plate of hydraulic pump and motor connects to the transmission bar of electric hydraulic control valve parts. Oil out port of oil supply pump connects the third port of hydraulic oil box. Axis of motor and sensor are fixed on actuator. Output end of actuator connects to input end of controller. Output end of controller connects to input end of electric hydraulic control valve parts. The invention has simple structure, low cost, less power consumption of motor working and longer service life.

Description

technical field [0001] The invention relates to an energy-saving system of a beam pumping unit. Background technique [0002] Since its birth, the conventional beam pumping unit has gone through a hundred years and experienced the test of various working conditions and production practices in oil fields in various regions, and is still widely used at home and abroad. The conventional beam pumping unit has been occupying a dominant position in ground equipment for oil production with rods due to its obvious advantages such as simple structure, durability, easy operation, and low maintenance cost. [0003] However, due to the limitation of its structure and principle, the conventional beam pumping unit cannot solve the shortcoming of high energy consumption of the "big horse-drawn trolley", and cannot fully recover and reuse the gravitational potential energy when heavy objects such as sucker rods fall . This is because although conventional beam pumping units are designed a...

Claims

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Application Information

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IPC IPC(8): F04B47/02F04B49/22E21B43/00
Inventor 姜继海谷峰
Owner 山东严格产业发展有限公司
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