CN211598614U

CN211598614U - Environment-friendly energy-saving oil pumping unit

Info

Publication number: CN211598614U
Application number: CN202020034542.1U
Authority: CN
Inventors: 王丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-09-29
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses an environment-friendly and energy-saving oil pumping unit, which comprises a base and a walking beam, wherein the upper part of the base is provided with a walking beam bearing seat, the walking beam is hinged with the base through the walking beam bearing seat, two ends of the walking beam are provided with horse heads, the lower part of the horse head at one end is provided with a balance weight, the lower part of the horse head at the other end is provided with an oil pumping rod, a hydraulic cylinder is arranged between the walking beam bearing seat and the horse head connected with the balance weight, the upper part of the hydraulic cylinder is hinged with the walking beam; the oil tank is connected with the filter and the oil pump through a hydraulic oil pipe, the hydraulic oil pipe is connected with an inlet of the hydraulic control two-position four-way valve, an outlet of the hydraulic control two-position four-way valve is respectively connected with the upper part and the lower part of the hydraulic cylinder, and a liquid level one-way valve is arranged on the hydraulic oil pipe between the hydraulic control two-position four-way valve and the hydraulic cylinder. The novel structure is simple, the manufacture is easy, the environment protection and energy saving are realized, the service life is long, the installation and the maintenance are convenient, the cost is low, the weight is small, the energy consumption is low, the investment is small, the period is short, the profit is high, and the market is wide.

Description

Environment-friendly energy-saving oil pumping unit

Technical Field

The utility model relates to a beam-pumping unit technical field especially relates to an environmental protection and energy saving beam-pumping unit.

Background

In recent decades, all countries in the world aim to change a heavy old oil pumping machine, but a novel oil pumping machine capable of replacing the old oil pumping machine cannot be designed up to now. The old oil pumping machine generally adopts a beam pumping machine form, which is a deformed four-bar mechanism, the whole machine structure is similar to a balance, one end is used for pumping load, the other end is used for balancing weight, and for the support, if the torque formed by the pumping load and the balancing load is equal or consistent in change, the oil pumping machine can continuously work with little power. The motor drives the belt pulley, the belt pulley drives the reduction box to run, and the crank connecting rod, the beam, the walking beam, the bracket and the horse head drive the pumping rod to reciprocate up and down by using the lever principle, so as to complete underground pumping.

However, in the process of the up-down stroke of the sucker rod, the torque generated on the rotating shaft of the crank is asymmetric, the torque variation amplitude on the crank shaft is very large, the fluctuation of the power of the motor is large directly, the load rate of the motor in most of time is very low, a large amount of mechanical energy is wasted by heat loss, and meanwhile, the old sucker has the defects of heavy volume, complex manufacturing process, long period, high manufacturing cost, high failure rate, high maintenance difficulty, high energy consumption, large starting impact, high running power consumption, poor balancing effect and the like.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above shortcoming of prior art, the utility model provides an environmental protection and energy saving beam-pumping unit, for no reduction gear double balance beam-pumping unit, principle simple structure, it is easy to make, environmental protection and energy saving long service life, the installation maintenance of being convenient for, with low costs, light in weight, the energy consumption is low, the small investment, the cycle is short, the profit is high, the market is vast.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an environment-friendly and energy-saving oil pumping unit comprises a base and a walking beam, wherein a walking beam bearing seat is arranged at the upper part of the base, the walking beam is hinged with the base through the walking beam bearing seat, horse heads are arranged at two ends of the walking beam, a balance weight is arranged at the lower part of the horse head at one end, a sucker rod is arranged at the lower part of the horse head at the other end, a hydraulic cylinder is arranged between the walking beam bearing seat and the horse head connected with the balance weight, the upper part of the hydraulic cylinder is hinged with the walking beam, and the; the oil pump is characterized by further comprising an oil tank, the oil tank is connected with a hydraulic oil pipe and an oil pump, a filter is arranged between the oil tank and the oil pump, the oil pump is connected with a motor, the hydraulic oil pipe is connected with an inlet of the hydraulic control two-position four-way valve, an outlet of the hydraulic control two-position four-way valve is connected with the upper portion and the lower portion of the hydraulic cylinder through the hydraulic oil pipe respectively, and a liquid level one-way valve is arranged on the hydraulic.

Furthermore, an overflow valve is arranged between the hydraulic oil pipe and the oil pump and is connected with the oil tank through an overflow pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a during operation, motor area oil pump work makes pneumatic cylinder up-and-down reciprocating motion, drives walking beam, horse head messenger sucker rod up-and-down reciprocating motion, takes crude oil out from the pit, and hydraulic machinery spare part is whole all to be ripe technique, does not change the installation and the well workover mode of former beam-pumping unit, and mechanical manufacturing process is simpler, and the cycle is short, and the cost is low, and the trouble is few, easy maintenance, and the energy consumption is low.

In a word, this application patent beam-pumping unit is no reduction gear double balance beam-pumping unit, principle simple structure, and it is easy to make, environmental protection and energy saving long service life, the installation maintenance of being convenient for, and is with low costs, the third of old beam-pumping unit during weight, economize on electricity half, and the energy consumption is low, and the small investment, the cycle is short, and the profit is high, and market is wide, and this beam-pumping unit can replace old formula beam-pumping unit, has domestic international market.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following will be described in detail with reference to the technical solutions in the embodiments of the present invention:

referring to fig. 1, the environment-friendly and energy-saving oil pumping unit comprises a base 1 and a walking beam 2, wherein a walking beam bearing seat 3 is arranged at the upper part of the base 1, the walking beam 2 is hinged with the base 1 through the walking beam bearing seat 3, horse heads 4 are arranged at two ends of the walking beam 2, a counterweight 5 is arranged at the lower part of the horse head 4 at one end, a sucker rod 6 is arranged at the lower part of the horse head 4 at the other end, a hydraulic cylinder 7 is arranged between the walking beam bearing seat 3 and the horse head 4 connected with the counterweight 5, the upper part of the hydraulic cylinder 7 is hinged with the walking beam 2, and the lower; the hydraulic oil pipe system is characterized by further comprising an oil tank 8, the oil tank 8 is connected with a hydraulic oil pipe 9 and an oil pump 10, a filter 11 is arranged between the oil tank 8 and the oil pump 10, the oil pump 10 is connected with a motor 12, an overflow valve 13 is arranged between the hydraulic oil pipe 9 and the oil pump 10, the overflow valve 13 is connected with the oil tank 8 through an overflow pipeline 14, when the pressure in the hydraulic oil pipe 9 is too high, the overflow valve 13 is opened, hydraulic oil flows back into the oil tank 8 through the overflow pipeline 14, and the balance of the whole hydraulic system is maintained; the hydraulic oil pipe 9 is connected with an inlet of a hydraulic control two-position four-way valve 15, an outlet of the hydraulic control two-position four-way valve 15 is respectively connected with the upper part and the lower part of the hydraulic cylinder 7 through the hydraulic oil pipe 9, and a liquid level one-way valve 16 is arranged on the hydraulic oil pipe 9 between the hydraulic control two-position four-way valve 15 and the hydraulic cylinder 7.

The utility model discloses a theory of operation:

when the utility model is used, the motor 12 drives the oil pump 10 to work, the oil pump 10 pumps hydraulic oil out of the oil tank 8 through the filter 11 through the hydraulic oil pipe 9, the hydraulic oil is sent to the inlet of the hydraulic two-position four-way valve 15, then the hydraulic oil is conveyed into the hydraulic cylinder 7 through the hydraulic oil pipe 9, when the hydraulic oil pressure at the lower part of the hydraulic cylinder 7 is increased, the hydraulic rod is pushed to move upwards, when the pressure is increased to a certain degree, namely the hydraulic rod pushes the walking beam 2 to the upper maximum upper limit, the hydraulic oil pipe pressure connected at the upper part of the hydraulic cylinder 7 is small, the hydraulic oil pipe pressure connected at the lower part of the hydraulic cylinder is large, the hydraulic two-position four-way valve 15 is added, the liquid level one-way valve 16 acts, the hydraulic oil pipe 9 connected at the lower part of the hydraulic cylinder 7 is large because of the pressure, the liquid level one, meanwhile, the hydraulic oil pipe 9 connected to the upper portion of the hydraulic cylinder 7 is small in pressure, the liquid level check valve 16 is opened, hydraulic oil is input to the upper portion of the hydraulic cylinder 7, and accordingly hydraulic oil on the upper portion of the hydraulic cylinder 7 is increased, pressure on the lower portion of the hydraulic cylinder 7 is reduced, the hydraulic rod moves downwards finally, the walking beam 2 is driven to move downwards, the hydraulic cylinder 7 can reciprocate up and down by repeating the process, the walking beam 2 and the horsehead 4 are driven to reciprocate the sucker rod 6 up and down, and crude oil is finally pumped out from the underground.

The foregoing is directed to embodiments of the present application and it is understood that various modifications and enhancements may be made by those skilled in the art without departing from the principles of the application and are intended to be included within the scope of the application.

Claims

1. The utility model provides an environmental protection and energy saving beam-pumping unit, includes the base, the walking beam, base upper portion is equipped with the walking beam bearing frame, the walking beam passes through the walking beam bearing frame and articulates with the base, the walking beam both ends are equipped with the horse head, and wherein the horse head lower part of one end is equipped with the counter weight, and the horse head lower part of the other end is equipped with sucker rod, its characterized in that: a hydraulic cylinder is arranged between the beam bearing seat and the horse head connected with the balance weight, the upper part of the hydraulic cylinder is hinged with the beam, and the lower part of the hydraulic cylinder is hinged with the base; the oil pump is characterized by further comprising an oil tank, the oil tank is connected with a hydraulic oil pipe and an oil pump, a filter is arranged between the oil tank and the oil pump, the oil pump is connected with a motor, the hydraulic oil pipe is connected with an inlet of the hydraulic control two-position four-way valve, an outlet of the hydraulic control two-position four-way valve is connected with the upper portion and the lower portion of the hydraulic cylinder through the hydraulic oil pipe respectively, and a liquid level one-way valve is arranged on the hydraulic.

2. The environment-friendly energy-saving oil pumping unit according to claim 1, characterized in that: and an overflow valve is arranged between the hydraulic oil pipe and the oil pump and is connected with the oil tank through an overflow pipeline.