CN102080517A

CN102080517A - One machine multi-well pumping unit

Info

Publication number: CN102080517A
Application number: CN201010621298XA
Authority: CN
Inventors: 金成群; 金辉光
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-30
Filing date: 2010-12-30
Publication date: 2011-06-01

Abstract

The invention discloses a one machine multi-well pumping unit, which comprises a head sheave, a mounting bracket, a guide wheel, a guide wheel frame, a driving wheel, a driving wheel frame, a driving rope, pumping rods, oil rod drawing ropes, counter weights, counter weight drawing ropes, a sensor, an energy-saving counter weight, a power device and an electric control cabinet, and is characterized in that: the head sheave is arranged on the top part of the mounting bracket; the guide wheel is arranged on the guide wheel frame; the driving wheel is arranged on the driving wheel frame; the driving rope is wound on the driving wheel; the two ends of the driving rope are connected to the front and rear sides of the circumference of the head sheave respectively; the pumping rods of all wells are also connected to the front and rear sides of the circumference of the head sheave through rope suspenders and the oil rod drawing ropes respectively after passing through the guide wheel; the counter weight drawing rope hanging counter weights are also connected to the front and rear sides of the circumference of the head sheave respectively; and the energy-saving counter weights are fixed in the circumference of the head sheave at positions corresponding to the corresponding pumping rods. In the invention, one machine drives two wells A and B, and if the well depth of the well B or pump diameter is large, the high balance precision on two sides can be kept by adding more corresponding counter weight in a counter weight box B. When the B well is repaired, normal pumping in the well A can be performed as well as corresponding counter weights are fully filled in a counter weight box A after the guide wheel B and the oil rod B on the well B are removed.

Description

One machine multiple well pumping unit

Technical field

The present invention relates to a kind of extracting device of oil, especially relate to an a kind of machine multiple well pumping unit.

Background technology

At present, both at home and abroad twin-well oil-pumping machine in development and application, all exist a machine twin-well transmission mechanism poor reliability, operation telephone-moving step down difficulty, can not realize a well workover treatment and problem that another well is normally pumped and produced and also can't realize the twin-well balance adjustment simultaneously.

Summary of the invention

The purpose of this invention is to provide an a kind of machine multiple well pumping unit, not only balance quality height, and certain a bite well well workover, other well also can normally recover the oil.

To achieve these goals, the invention provides an a kind of machine multiple well pumping unit, comprise head sheave, bearing support, directive wheel, the guiding wheel carrier, driving wheel, drive wheel carrier, drive rope, sucker rod, the beam hanger pull rope, counterweight, the counterweight pull rope, sensor, the energy-conservation counterweight of using, power set, electrical control cubicles, it is characterized in that: head sheave is installed at the bearing support top, directive wheel is installed on the guiding wheel carrier, driving wheel is installed in and drives on the wheel carrier, driving rope is wrapped on the driving wheel, the two ends that drive rope be connected respectively to head sheave wheel week before, on the back both sides, the sucker rod of each well all by polished rod eye and beam hanger pull rope respectively through directive wheel also be connected to head sheave wheel week before, on the back both sides, two counterweight pull ropes having hung counterweight also be connected respectively to head sheave wheel week before, on the back both sides, energy-conservation fixing in head sheave wheel week corresponding to corresponding sucker rod position with counterweight.

Head sheave in each working cycles its anglec of rotation less than 200 °.

When a circulation head sheave was changeed 180 °, the A sucker rod is at pithead position, and was energy-conservation with the horizontal level of counterweight on the head sheave right side; When finishing a stroke, energy-conservation with counterweight horizontal level on the left of head sheave.

Described power set comprise motor, minor sprocket, hinge wheel, chain, on the wherein said motor output shaft minor sprocket are installed, and on the described live axle hinge wheel are installed, and described chain connects minor sprocket and hinge wheel.

Motor all links to each other with electrical control cubicles with sensor and brake, and electrical control cubicles is to use the electronic romote-controller Long-distance Control, so the operation of this equipment is very safe.

The present invention is with a machine band A, two mouthfuls of wells of B, when power set drive the driving wheel rotation, drive rope and just drive the head sheave rotation, A well oil pumping when if the head sheave direction of rotation is clockwise, the sucker rod of B well and the weight of oil column are worked as counterweight, B well oil pumping when opposite head sheave is rotated by counter clockwise direction, the sucker rod of A well weighs and oil column weight is worked as counterweight.If the well depth of B well or pump footpath are big, then add corresponding balancing weight in the B ballast box and also can keep higher balance quality with regard to both sides.

If when the B well is carried out well workover, the B directive wheel on the aboveground limit of B and B beam hanger pull rope are taken away the back corresponding balancing weight of filling in the A ballast box, then the A well can also normal oil pumping.

In last example, see two mouthfuls of well oil pumping of a machine band, with symmetrical manner one machine four-hole well, Liu Koujing, 8 mouthfuls of wells are equally pumped equally.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the left view of Fig. 1.

The specific embodiment

With reference to Fig. 1, Fig. 2, the present invention includes A well 1, drive wheel carrier 2, brake 3, minor sprocket 4, motor 5, chain 6, driving wheel 7, hinge wheel 8, A sucker rod 9, A polished rod eye 10, the A wheel carrier 11 that leads, B ballast box 12, B counterweight pull rope 13, A directive wheel 14, drive rope 15, A beam hanger pull rope 16, head sheave 17, bearing support 18, B beam hanger pull rope 19, A counterweight pull rope 20, A ballast box 21, B directive wheel 22, sensor 23, energy-conservation with counterweight 24, the B wheel carrier 25 that leads, B polished rod eye 26, B sucker rod 27, electrical control cubicles 28, B well 29, head sheave 17 is installed at the top of bearing support 18, A directive wheel 14 is installed on the A guiding wheel carrier 11, B directive wheel 22 is installed on the B guiding wheel carrier 25, driving wheel 7 is installed in and drives on the wheel carrier 2, driving rope 15 is wrapped on the driving wheel 7, power set comprise motor 5, minor sprocket 4, chain 6, hinge wheel 8, minor sprocket 4 is installed on motor 5 output shafts, hinge wheel 8 is installed on the driving wheel 7, and chain 6 connects minor sprocket 4 and hinge wheel 8.

Motor 5 links to each other with electrical control cubicles 28 with sensor 23, brake 3, and electrical control cubicles is to use the electronic romote-controller Long-distance Control, so the operation of this equipment is very safe.

The A sucker rod 9 of A well 1 links to each other with A beam hanger pull rope 16 by A polished rod eye 10, the B sucker rod 27 of B well 29 links to each other with B beam hanger pull rope 19 by B polished rod eye 26, A beam hanger pull rope 16 and B beam hanger pull rope 19 again respectively with head sheave 17 take turns the week before, back both sides link to each other, A ballast box 21 is connected to head sheave 17 by A counterweight pull rope 20 and takes turns all extension B ballast box 12 1 sides that go up, and B ballast box 12 is connected to head sheave 17 by B counterweight pull rope 13 and takes turns and go up to hang A ballast box 21 1 sides week, the two ends of the driving rope 15 that twines on the driving wheel 7 are also taken turns the both sides in week with head sheave 17 respectively and are linked to each other, therefore when rotating, motor drives minor sprocket 4 and chain 6 and hinge wheel 8 rotations, thereby driving driving wheel 7 rotates, then drive driving rope 15 and make head sheave 17 rotations, like this along with head sheave 17 A beam hanger pull rope 16 and B beam hanger pull rope 19 with on the sucker rod separately, the following reciprocating motion, realize oil pumping, when the direction of rotation of head sheave 17 is the oil pumping of A well when being clockwise, and the sucker rod of B well weight heavy and oil column is to work as counterweight, B well oil pumping when the direction of rotation of opposite head sheave 17 is counterclockwise, and the sucker rod of A well weight heavy and oil column is worked as counterweight.

When if the B well is also bigger than A well depth and pump footpath, then just still keeps higher balance more, thereby reach purpose of energy saving toward the B ballast box balancing weight of answering weight of pretending 12 li.

If when the B well is carried out well workover, after the B directive wheel 22 on the aboveground limit of B and B beam hanger pull rope 19 taken away, fill corresponding balancing weight for 21 li at the A ballast box, then the A well can normally be pumped.

Two mouthfuls of well oil pumping of the present invention one machine band A, B also can both drive by a machine four-hole well, Liu Koujing, Ba Koujing with symmetrical manner equally.

According to the corresponding position of sucker rod position institute the energy-conservation counterweight 24 of using has been installed in the wheel week of head sheave 17, when for example a circulation head sheave was changeed 180 °, the A sucker rod arrived well head, and is energy-conservation with the horizontal level of counterweight on the head sheave right side; When finishing a stroke, energy-conservation with counterweight arrival head sheave left side horizontal level.Energy-conservation with counterweight 24 its locus differences, moment of torsion difference to 17 generations of head sheave, utilize this principle to regulate its energy-conservation weight with counterweight, just can obtain not have preferably the effect that power consumption starts and brakes, its energy-saving effect is remarkable, and head sheave 17 anglec of rotation in each working cycles is not more than 200 ° for well for this reason.

Claims

1. machine multiple well pumping unit, comprise head sheave, bearing support, directive wheel, the guiding wheel carrier, driving wheel, drive wheel carrier, drive rope, sucker rod, the beam hanger pull rope, counterweight, the counterweight pull rope, sensor, the energy-conservation counterweight of using, power set, electrical control cubicles, it is characterized in that: head sheave is installed at the bearing support top, directive wheel is installed on the guiding wheel carrier, driving wheel is installed in and drives on the wheel carrier, driving rope is wrapped on the driving wheel, the two ends that drive rope be connected respectively to head sheave wheel week before, on the back both sides, the sucker rod of each well all by polished rod eye and beam hanger pull rope respectively through directive wheel also be connected to head sheave wheel week before, on the back both sides, two counterweight pull ropes having hung counterweight also be connected respectively to head sheave wheel week before, on the back both sides, energy-conservation fixing in head sheave wheel week corresponding to corresponding sucker rod position with counterweight.

2. a machine multiple well pumping unit according to claim 1 is characterized in that: head sheave in each working cycles its anglec of rotation less than 200 °.

3. a machine multiple well pumping unit according to claim 2 is characterized in that: when a circulation head sheave was changeed 180 °, the A sucker rod is at pithead position, and was energy-conservation with the horizontal level of counterweight on the head sheave right side; When finishing a stroke, energy-conservation with counterweight horizontal level on the left of head sheave.