CN214384144U

CN214384144U - Gravity transfer driven beam type energy-saving oil pumping machine

Info

Publication number: CN214384144U
Application number: CN202120285018.6U
Authority: CN
Inventors: 张维玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-12
Anticipated expiration: 2031-02-01

Abstract

The utility model relates to a gravity shifts driven beam-type energy-conserving beam-pumping unit. The beam-pumping unit mainly solves the problems of high failure rate, inconvenient installation and maintenance, large energy loss and energy conservation of the existing beam-pumping unit. The method is characterized in that: a gravity transfer device (13) is fixed behind a central bearing seat (11) at the upper part of the walking beam (6), and a rotatable gravity block is connected to the gravity transfer device (13). The gravity transfer driven beam-pumping unit can greatly improve the transmission efficiency, improve the energy utilization rate, greatly save energy, and has convenient installation and low failure rate.

Description

Gravity transfer driven beam type energy-saving oil pumping machine

Technical Field

The utility model relates to an oil field, a gravity shifts driven beam-type energy-conserving beam-pumping unit specifically says so.

Background

At present, a four-bar linkage driven beam pumping unit widely used in oil fields is characterized in that a motor is used for primary speed reduction through a triangle belt transmission mechanism, and then secondary speed reduction is carried out through a gear reducer, the four-bar linkage transmission mechanism is driven to drive a horse head to swing up and down, and then the horse head drives an oil well pump to reciprocate up and down through a lifting rope and a sucker rod, so that oil is pumped. The oil pumping unit has the following advantages in practical use: 1. the phenomenon that the belt slips and rotates in rainy and snowy days and the V-belt is often loosened exists in V-belt transmission; 2. the reducer has high power and often has the phenomena of oil leakage, gear damage, shaft string damage, bearing damage and the like; 3. the crank pin device falls off to cause the phenomenon of turning over the machine; 4. the installation and maintenance are inconvenient and the labor intensity is high; 5. the mechanical energy is not fully utilized, and the energy loss is large. Therefore, the failure rate is high, the outage rate is high, and the production time rate is low; the installation and maintenance are inconvenient, the labor intensity is high, and the maintenance cost is high; the mechanical energy is not fully utilized, the energy loss is large, and the energy is not saved.

Disclosure of Invention

In order to overcome current beam-pumping unit fault rate height, installation maintenance inconvenient, energy loss is big, not energy-conserving not enough, the utility model provides a transmission efficiency can be increased substantially to this gravity transfer driven beam-pumping unit that saves energy of gravity transfer driven beam-pumping unit, improves energy utilization, and energy-conservation, and simple to operate, and the fault rate is low.

The technical scheme of the utility model is that: the utility model provides a gravity shifts energy-conserving beam-pumping unit of driven walking beam formula, includes the support, connects the walking beam through central bearing seat on the support, the rear of walking beam upper portion central bearing seat is fixed with gravity transfer device, the last rotatable gravity piece that is connected with of gravity transfer device.

The gravity block comprises a gravity block A and a gravity block B, and the gravity block A and the gravity block B have the same weight, the same rotating speed and the opposite rotating direction.

The bottom of the walking beam is connected with an annular brake disc, the brake disc takes the shaft of the central bearing seat as the circle center, and the support is fixed with a braking device which is positioned on two sides of the brake disc.

The brake disc is evenly provided with a plurality of brake holes, the support is connected with a safety pin, and the safety pin corresponds to the brake holes in the brake disc.

The lower parts of the front side and the rear side of the walking beam are respectively connected with a front limiter and a rear limiter.

And a balance weight is fixed above the tail part of the walking beam.

The utility model discloses following beneficial effect has: by adopting the scheme, the pumping unit is a four-bar linkage-free transmission chain pumping unit, and the pumping unit is driven by the back and forth movement of the gravity block to realize the up-and-down reciprocating motion of the horse head, so that the problems caused by the four-bar linkage transmission chain are avoided, the transmission efficiency is greatly improved, and the failure rate is reduced; because the gravity transfer is adopted, the resistance-variable gravity is the power gravity, and the energy utilization rate is greatly improved; because the variable resistance gravity is the power gravity, the speed reducers on the gravity transfer device are two double-output-shaft speed reducers which are coaxial and synchronously and reversely rotate, so that the gravity of the downward moving gravity block drives the upward moving gravity block, and the upward and downward movement of the gravity block does not need other additional power except for overcoming the inertia force, thereby greatly improving the energy utilization rate. The intelligent gravity transfer device can be controlled to adjust the transfer speed and position of gravity at any time according to the requirements of the underground working condition on the real-time required gravity condition and the suspension point motion rule of the horse head, and point-to-point force and speed supply according to the requirements of the underground working condition is realized, so that the intelligent gravity transfer device has the advantage of low power loss and further greatly improves the energy utilization rate; the pumping unit is not only suitable for conventional stroke and stroke frequency, but also suitable for long stroke and low stroke frequency; this beam-pumping unit has remain original base, support and walking beam, consequently can also reform transform on former beam-pumping unit to it is convenient to reform transform.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

figure 3 is a schematic view of the horse head at bottom dead center.

In the figure, 1-a rope hanger, 2-a pressure sensor, 3-a lifting rope, 4-a horse head, 5-a front limiter, 6-a walking beam, 7-a brake disc, 8-a bracket, 9-an encoder, 10-a safety pin, 11-a central bearing seat, 12-a brake device, 13-a gravity transfer device, 14-a gravity block A, 15-a balance weight, 16-a rear limiter, 17-a base, 18-an intelligent controller and 19-a gravity block B.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 3, the gravity transfer driven beam-pumping unit comprises a support 8, wherein the support 8 is fixed on a base 17, the support 8 is connected with a beam 6 through a central bearing seat 11, the beam 6 can rotate around a rotating shaft on the central bearing seat 11, and an encoder 9 is arranged on a middle shaft of the central bearing seat 11. The front end of the walking beam 6 is fixedly provided with a horse head 4, the lower end of the lifting rope 3 bypasses the horse head 4 and is connected with a rope hanger 1, and a pressure sensor 2 is arranged between the lifting rope 3 and the rope hanger 1. The rear of walking beam 6 upper portion central bearing seat 11 is fixed with gravity transfer device 13, gravity transfer device 13 includes motor and gravity piece, the gravity piece includes gravity piece A14 and gravity piece B19, and gravity piece A14 and gravity piece B19 are connected on the output shaft of gravity transfer device 13 through the connecting rod respectively, and by motor drive, two gravity piece weights are the same, all rotate around the reduction gear output shaft axis of gravity transfer device 13, and the rotational speed is the same, the direction of rotation is opposite.

The bottom of the walking beam 6 is connected with a circular brake disc 7, the brake disc 7 takes the shaft of the central bearing seat 11 as the center of a circle, and a plurality of brake holes are uniformly distributed on the brake disc 7. And a braking device 12 is fixed on the support 8, the braking device 12 is positioned on two sides of the brake disc 7, a control rod of the braking device 12 is positioned on a base 17, the braking device 12 can be started by pulling the control rod, and the brake disc 7 is clamped to realize the braking of the pumping unit. And after the pumping unit is braked, the safety pin 10 is inserted into the brake hole at the corresponding position of the safety pin frame, so that the walking beam is kept still. The lower parts of the front side and the rear side of the walking beam 6 are respectively connected with a front limiter 5 and a rear limiter 16, and the lower ends of the front limiter and the rear limiter are fixed on a base 17. When the horse head 4 reaches the top dead center, the front limiter 5 limits the horse head; when the horse head 4 reaches the bottom dead center, the horse head is limited by the rear limiter 16.

The pumping unit also comprises an intelligent controller 18, and the pressure sensor 2, the encoder 9 and the encoder on the driving motor of the gravity transfer device 13 are all controlled by the intelligent controller 18. The encoder 9 is an encoder of type E1040BT manufactured by vinpocetine photoelectric technology ltd, and the intelligent controller 18 is a controller of type SM20-30DC-ORC/30 manufactured by inyok, inc.

After the pumping unit is started to operate, the pressure sensor 2, the encoder 9 and the encoder on the driving motor of the gravity transfer device 13 send a condition signal of the pumping unit to the intelligent controller 18 at any time, and the intelligent controller 18 synchronously controls the operation states of the two gravity blocks in the gravity transfer device 13 according to the received condition signal. The gravity block A14 and the gravity block B19 synchronously run in reverse directions, namely, one gravity block rotates clockwise and the other gravity block rotates anticlockwise, when the two gravity blocks run forwards, the moment of the rear part of the walking beam to the axis of the central bearing seat 11 is reduced, the moment of the front part of the walking beam to the axis of the central bearing seat 11 is increased, the horse head moves downwards under the action of the difference of the front and rear gravity moments, and the intelligent controller 18 controls the moving speed and the position of the gravity block in the movable gravity transfer device 13 according to the gravity condition required by the horse head to move downwards in real time. When the horse head reaches the lower dead point (as shown in figure 3), the encoder 9 sends a signal to the intelligent controller 18, the intelligent controller 18 controls the gravity transfer device 13 to enable the two gravity blocks to synchronously and reversely run backwards, the moment of the front part of the walking beam to the axis of the central bearing seat 11 is reduced, the moment of the rear part of the walking beam to the axis of the central bearing seat 11 is increased, under the action of the difference of the front and rear gravity moments, the horse head 4 moves upwards, and when the horse head 4 reaches the upper dead point (as shown in figure 1), the horse head 4 drives the oil well pump to complete one-time pumping of oil. The continuous up-and-down swinging of the horse head is realized in a circulating way, so that the oil well pump is driven to continuously reciprocate, and the continuous pumping of oil is realized.

Claims

1. The utility model provides a gravity shifts energy-conserving beam-pumping unit of driven walking beam formula, includes support (8), connects walking beam (6) through central bearing seat (11) on support (8), its characterized in that: a gravity transfer device (13) is fixed behind a central bearing seat (11) at the upper part of the walking beam (6), and a rotatable gravity block is connected to the gravity transfer device (13).

2. The gravity transfer driven beam-pumping unit of claim 1, characterized in that: the gravity block comprises a gravity block A (14) and a gravity block B (19), and the gravity block A and the gravity block B have the same weight, the same rotating speed and the opposite rotating direction.

3. The gravity transfer driven beam-pumping unit of claim 2, characterized in that: the brake device is characterized in that the bottom of the walking beam (6) is connected with an annular brake disc (7), the brake disc (7) uses the shaft of the central bearing seat (11) as the center of a circle, a brake device (12) is fixed on the support (8), and the brake device (12) is located on two sides of the brake disc (7).

4. The gravity transfer driven beam-pumping unit of claim 3, characterized in that: a plurality of braking holes are uniformly distributed in the braking disc (7), the support (8) is connected with a safety pin (10), and the safety pin (10) corresponds to the braking holes in the braking disc (7).

5. The gravity transfer driven beam-pumping unit of claim 4, characterized in that: the lower parts of the front side and the rear side of the walking beam (6) are respectively connected with a front limiter (5) and a rear limiter (16).

6. The gravity transfer driven beam-pumping unit of claim 5, characterized in that: and a balance weight (15) is fixed above the tail part of the walking beam (6).