CN211081810U - Two-way drive belt rope shared electric energy storage pumping unit - Google Patents

Abstract

The utility model relates to a two-way drive belt-rope sharing type electric energy storage pumping unit, comprising a base (7) on which an electrical control system (1), a motor drive assembly (2) and a guide are fixedly mounted. A wheel bracket (6); a signal is transmitted between the electrical control system (1) and the motor drive assembly (2) through an armored cable, and the forward and reverse rotation of the motor drive assembly (2) is controlled by the electrical control system (1); The motor drive assembly (2) is provided with a double-purpose winding drum (3) with a rope, and a traction rope (4) is wound on the double-purpose winding drum (3); the guide wheel bracket ( 6) There is a double-purpose guide wheel (5) with a rope on it, and the traction rope (4) is guided through the double-purpose guide wheel (5) with a rope and is connected to the sucker rod (8). It is a new type of direct drive pumping unit without mechanical balance weight, light weight, long stroke and low stroke.

Description

Two-way drive belt rope shared electric energy storage pumping unit

technical field

The utility model relates to a two-way drive belt-rope shared electric energy storage pumping unit, which belongs to the technical field of oil extraction in onshore oil fields.

Background technique

The reciprocating deep well pumping units currently used in the oil field mainly have two forms: beam type and tower type. No matter which type of pumping unit is used above, there are currently many problems, such as excessive size and energy consumption. High, short stroke, many strokes. With the further development and demand of oilfield development, especially the large-scale development of low-permeability and difficult-to-recover oil storage, new requirements are put forward for the working parameters of pumping units. Conventional beam pumping units cannot achieve ultra-low stroke times. Require. The tower-type pumping unit also has many difficulties in terms of equipment operation, maintenance, installation and transportation because its driving device is installed on the top of the tower. Especially for the requirements of long stroke and low stroke, the current beam pumping unit can no longer meet the actual needs of the oil field. , will choose different traction devices, such as steel ropes or steel belts, the replacement process of the two is quite troublesome, and it is necessary to stop the machine to replace the corresponding guiding components, or change its working mode, which is time-consuming and labor-intensive.

SUMMARY OF THE INVENTION

The purpose of the utility model is to overcome the above shortcomings, and to provide a two-way driving belt rope shared electric energy storage device with compact structure, convenient switching between traction steel ropes or steel belts, low energy consumption, light weight, long stroke and low stroke times. oil pump.

The purpose of this utility model is achieved in this way:

A two-way drive belt-rope sharing type electric energy storage pumping unit, comprising a base on which an electrical control system, a motor drive assembly and a guide wheel bracket are fixedly mounted; the electric control system and the motor drive assembly pass through an armored A cable is installed to transmit signals, and the forward and reverse rotation of the motor drive assembly is controlled by an electrical control system; the motor drive assembly is equipped with a dual-purpose winding drum with a rope, and a traction rope is wound on the dual-purpose winding drum with a belt and rope. The guide wheel bracket is provided with a dual-purpose guide wheel with a rope, and the traction rope is guided by the dual-purpose guide wheel with a rope and is connected with the sucker rod;

The utility model is a two-way drive belt-rope shared electric energy storage pumping unit. The motor drive component can directly use a permanent magnet composite motor that can be directly driven, or is composed of a motor and a reducer. The drive shaft of the motor is connected to The reducer is connected with each other; the output shaft of the above-mentioned permanent magnet composite motor or reducer is fixedly connected with the double-purpose winding drum with rope;

The utility model relates to a two-way driving belt rope shared electric energy storage pumping unit, and the traction rope can be a steel wire rope or a steel belt;

The utility model relates to a two-way drive belt rope shared electric energy storage pumping unit. The cylinder body of the belt rope dual-purpose winding drum is a smooth surface, and a lateral steel rope fixing position and a radial steel belt are arranged on the cylinder body. fixed hole;

The utility model relates to a two-way drive belt rope shared electric energy storage pumping unit. The surface of the wheel body of the belt rope dual-purpose guide pulley is a smooth surface, and the middle of the wheel body is provided with an annular rope groove arranged along the radial direction;

The utility model relates to a two-way drive belt-rope shared electric energy storage pumping unit. The motor is provided with a braking brake, and the braking brake locks the motor when the pumping unit stops operating.

Compared with the prior art, the beneficial effects of the present utility model are:

The utility model uses the traction rope instead of the polished rod to drive the sucker rod to complete the pumping action, and adjusts the lateral reciprocating motion of the traction rope to the vertical up-and-down reciprocating motion through the guide wheel, which effectively solves the problem that the traditional pumping unit has short strokes and frequent strokes. There are many problems; by making grooves on the smooth surface of the guide wheel, the grooves are used to guide the steel rope, and the smooth surface is used to pull the steel belt; there are lateral steel rope fixing positions and radial steel belt fixing holes on the drum. The groove makes the steel rope and steel belt do not need to stop to replace the corresponding guiding components during the exchange process, or change its working mode, which is convenient and quick, and improves the production efficiency; the use of permanent magnet motor and electrical control system is used to implement the utilization and conversion of electric energy, The mechanical balancing device is cancelled, reducing energy consumption.

Description of drawings

Fig. 1 is a structural schematic diagram of a bidirectional driving belt-rope shared electric energy storage pumping unit of the present invention.

FIG. 2 is a schematic structural diagram of a dual-purpose guide pulley with a rope of a bidirectional drive belt-rope shared type electric energy storage pumping unit of the present invention.

in:

Electrical control system 1, motor drive assembly 2, dual-purpose winding drum 3, traction rope 4, dual-purpose guide wheel 5, guide wheel bracket 6, base 7, sucker rod 8, brake 9.

Detailed ways

Referring to Figures 1 to 2, the utility model relates to a two-way drive belt-rope sharing type electric energy storage pumping unit, comprising a base 7 on which an electrical control system 1, a motor drive assembly 2 and a guide wheel are fixedly installed Bracket 6; signals are transmitted between the electrical control system 1 and the motor drive assembly 2 through armored cables, and the forward and reverse rotation of the motor drive assembly 2 is controlled by the electrical control system 1; the motor drive assembly 2 is installed with a belt The dual-purpose winding drum 3, on which a traction rope 4 is wound; the guide wheel bracket 6 is provided with a dual-purpose guiding wheel 5 with a rope, and the traction rope 4 passes through the dual-purpose rope with a rope. The guide wheel 5 guides the rear rope head to connect with the sucker rod 8;

Further, the motor drive assembly 2 includes a motor and a speed reducer, and the drive shaft of the motor is connected with the speed reducer; the output shaft of the speed reducer is fixedly connected to the dual-purpose winding drum 3 with a rope;

Preferably, the motor is a permanent magnet composite motor, and the permanent magnet composite motor drives the belt rope dual-purpose winding drum 3 to deliver and wind the traction rope 4;

Preferably, the traction rope 4 can be a steel wire rope or a steel belt;

Further, the surface of the cylinder body of the double-purpose winding drum 3 is a smooth surface, and the cylinder body is provided with a lateral steel rope fixing position and a radial steel belt fixing hole groove, which is convenient for the replacement of the steel belt and the steel rope. ;

Further, the surface of the wheel body of the double-purpose guide pulley 5 with rope is a smooth surface, and the middle of the wheel body is provided with an annular rope groove arranged along its radial direction, which is convenient for the replacement of the steel belt and the steel rope;

Further, the motor is provided with a braking brake 9, and the braking brake 9 locks the motor when the pumping unit stops operating, preventing misoperation and starting the pumping unit from causing injury to personnel;

The working principle of this device:

The permanent magnet composite motor is controlled by the electrical control system 1 to realize forward and reverse rotation. The double-purpose winding drum 3 with the belt and rope sends and winds the traction rope 4, and is guided by the double-purpose guide wheel 5 and the guide wheel bracket 6. , to realize the up and down reciprocating motion of the wire rope, so as to realize the oil pumping work of the oil well. When the motor runs counterclockwise, the traction rope is wound, and the motor does work to drive the downhole pump to lift the oil. When the motor runs clockwise, the heavy object drives the motor to do work, generate electricity and store energy, and use it in the next lift. So as to complete a reciprocating motion and the utilization and conversion of energy.

In addition: it should be noted that the above-mentioned specific embodiment is only an optimized solution of this patent, and any changes or improvements made by those skilled in the art according to the above-mentioned concept are all within the protection scope of this patent.

Claims (1)

1. A two-way drive belt rope shared type electric energy storage pumping unit, characterized in that: comprising a base (7), on which an electrical control system (1), a motor drive assembly (2) are fixedly installed and a guide wheel bracket (6); signals are transmitted between the electrical control system (1) and the motor drive assembly (2) through armored cables, and the electric control system (1) controls the forward and reverse of the motor drive assembly (2) The motor drive assembly (2) is provided with a double-purpose winding drum (3) with a rope, and a traction rope (4) is wound on the double-purpose winding drum (3) with a rope; the guide wheel The bracket (6) is provided with a dual-purpose guide wheel (5) with a rope, and the traction rope (4) is guided by the dual-purpose guide wheel (5) with a rope to be connected to the sucker rod (8). The cylindrical body of the winding drum (3) is a smooth surface, and the cylindrical body is provided with a lateral steel rope fixing position and a radial steel belt fixing hole groove; On the smooth surface, the middle of the wheel body is provided with an annular rope groove arranged along its radial direction.

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