CN212406608U - Winding type oil pumping polished rod double-well oil pumping machine - Google Patents

Abstract

The utility model provides a long stroke, the frequency is low, the impact is little, and the switching-over is balanced, can prolong the life's of oil-well pump wound form oil pumping polished rod twin-well beam-pumping unit, includes pumping well, counter weight well, pumping unit power supply and oil pumping drive mechanism, oil pumping drive mechanism includes the frame, receive and releases speed reducer, main shaft, oil pumping polished rod receive and release disc, sucker rod, counter weight receive and release disc and be used for connecting the counter weight traction band of counter weight, and its special character lies in: the sucker rod is the winding oil pumping polished rod of lamination formula, the counter weight traction area is the same with the sucker rod structure, sucker rod and counter weight traction area pile up respectively and twine on the sucker rod receive and releases the disc and the counter weight receive and releases the disc, the degree of depth of counter weight well is 1/2 of the pumping well degree of depth, and the counter weight receives and releases the diameter of disc for the oil pumping polished rod receives and releases 1/2 of disc diameter, the frame is the coaster, oil pumping unit power supply and oil pumping drive mechanism all install on the coaster.

Description

Winding type oil pumping polished rod double-well oil pumping machine

Technical Field

The utility model belongs to oil recovery engineering mechanism especially relates to a wound form oil pumping polished rod twin-well beam-pumping unit.

Background

The oil pumping machine is a machine for exploiting oil, and is commonly called a head knocking machine. The pumping unit is the most main lifting equipment in the rod pumping system. The pumping rod of the traditional pumping unit is of a single-rod structure, the maximum stroke is 8m, the stroke is short, the frequency is high, the impact is large, the load of the upper stroke and the lower stroke is unbalanced, and the service life of the oil well pump is short.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an above-mentioned problem that prior art exists is solved, a stroke is long, the frequency is low, the impact is little, the switching-over is balanced, can prolong the life of oil-well pump's lamination formula can twine the two-well beam-pumping unit of oil-pumping polished rod.

The technical solution of the utility model is that: the utility model provides a wound form oil pumping polished rod twin-well beam-pumping unit, includes pumping well, counter weight well, pumping unit power supply and oil pumping drive mechanism, oil pumping drive mechanism includes the frame, receive and releases speed reducer, main shaft, oil pumping polished rod receive and release disc, sucker rod, counter weight receive and release disc and be used for connecting the counter weight traction band of counter weight, its special character lies in: the sucker rod is the winding oil pumping polished rod of lamination formula, the counter weight traction area is the same with the sucker rod structure, sucker rod and counter weight traction area pile up respectively and twine on the sucker rod receive and releases the disc and the counter weight receive and releases the disc, the degree of depth of counter weight well is 1/2 of the pumping well degree of depth, and the counter weight receives and releases the diameter of disc for the oil pumping polished rod receives and releases 1/2 of disc diameter, the frame is the coaster, oil pumping unit power supply and oil pumping drive mechanism all install on the coaster.

Further, this wound form oil pumping polished rod twin-well beam-pumping unit still includes the concrete foundation, sets firmly the track steel on the concrete foundation, the channel-section steel slide on the track steel, coaster bottom both sides are equipped with and remove the steel wheel and install rack and pinion transmission in the middle of the bottom and vice, at concrete foundation surface mounting mobile motor and worm gear speed reducer, the removal steel wheel of coaster sets up on the channel-section steel slide, worm gear speed reducer by the mobile motor drive and with the vice 22 cooperations of rack and pinion transmission, realize the translation of coaster.

Furthermore, set up the winding polished rod locating wheel of lamination formula at the coaster front end, remove through the coaster and make and can twine the polished rod back-and-forth movement of the laminated formula that can twine the polished rod locating wheel of lamination formula, lamination formula can twine the polished rod locating wheel and can also finely tune, is convenient for adjust well.

Furthermore, the laminated type windable polished sucker rod comprises a plurality of thin steel sheets with round holes at two ends, the thickness of the thin steel sheets is 0.2-0.3 mm, the width of the thin steel sheets is 50-75 mm, the length of the thin steel sheets is more than or equal to 50m, anticorrosive bonding materials are coated on two surfaces of the thin steel sheets and the thin steel sheets are neatly stacked together to form a high-strength thin steel laminated stack, two ends of the high-strength thin steel laminated stack are clamped between a laminated joint and a laminated pressing plate through fasteners penetrating through the round holes, the laminated joint and the laminated pressing plate are connected in a hanging mode, and one ends, far away from the high-strength thin steel laminated stack, of the two laminated joints are. The manufacturing process is simple, the cost is low, the strength is high, and the tensile force of the high-strength thin steel lamination stack is 8-20 tons.

Further, the number of the high-strength thin steel lamination groups is at least two, wherein the rotary male connector on one high-strength thin steel lamination group is connected with the rotary female connector on the other high-strength thin steel lamination group adjacent to the rotary male connector through threads.

Further, the rotary male joint is provided with an external thread, a shaft shoulder, a wrench opening and an inner hole from the far end of the high-strength thin steel lamination stack to the near end of the high-strength thin steel lamination stack, and the rotary female joint is provided with an internal thread, a wrench opening and an inner hole from the far end of the high-strength thin steel lamination stack to the near end of the high-strength thin steel lamination stack; a plurality of radial pin holes are uniformly distributed on the rotary male joint and the rotary female joint along the circumferential direction corresponding to the hole walls of the inner holes of the rotary male joint and the rotary female joint respectively; the laminated joint is far away from high strength thin steel lamination group one end and is the cylinder and insert respectively in the hole of the rotatory male joint that corresponds and the hole of the rotatory female joint that corresponds the laminated joint cylinder surface corresponds radial pinhole position sets up annular groove respectively correspond the interior interpolation of annular groove of radial pinhole is adorned the pin, realizes respectively through the pin that rotatory male joint is connected rather than the rotation of the laminated joint that corresponds, rotatory female joint and rather than the laminated joint that corresponds.

Furthermore, the lamination joint is provided with a lower mounting platform corresponding to the mounting position of the high-strength thin steel lamination group, one end of the lower mounting platform, which is close to the cylinder, is provided with a hanging boss, and a plurality of lower round holes which are in one-to-one correspondence with the round holes are processed on the lower mounting platform; the lamination clamp plate is provided with an installation upper platform corresponding to the lamination installation position, the installation upper platform is provided with upper round holes in one-to-one correspondence with the round holes, hanging lug bosses corresponding to the lamination joints of the lamination clamp plate are provided with hanging grooves, and the hanging lugs of the hanging grooves are hung and matched to bear tension, so that the tensile strength is increased.

Further, the fastener includes screw rod, bullet pad and nut, the screw rod inserts behind the lower round hole, round hole and the last round hole of one-to-one correspondence and passes through bullet pad and nut are in the same place lamination joint, high strength thin steel lamination group and lamination clamp plate fastening, the screw rod is headless screw rod and bottom welding in the round hole down.

Further, the round holes on the thin steel sheet are arranged on the surface of the thin steel sheet in a matrix manner.

Furthermore, the high-strength thin steel lamination stack is formed by stacking 8-15 thin steel laminations.

The utility model has the advantages that:

1. the sucker rod adopts a laminated type winding structure. The counter weight traction belt and the sucker rod structure are respectively wound on the corresponding sucker rod winding and unwinding disc and the counter weight winding and unwinding disc, so that the bending strength is increased, the fatigue life is prolonged, the size of the winding disc is reduced, the volume and the weight of equipment are reduced, particularly, the counter weight traction belt can be wound on the polished rod winding disc in a stacking manner, the sucker rod in the pit can be connected and replaced, the dynamic sealing is easily realized, the sleeve is not detached, the leakage is avoided, the working safety is high, the sealing performance is good, the bending fatigue is resisted, the service life is long, and the coiled sucker rod is convenient to transport.

2. The depth of the counterweight well is 1/2 of the depth of the pumping well, the diameter of the counterweight retractable disc is 1/2 of the diameter of the pumping retractable disc, the weight of the counterweight is set to be 2 times of the load of the pumping well, the load of the up-down stroke is balanced, and the construction cost and the equipment cost are reduced. The polished rod rolling disc and the balance weight retracting disc are coaxially arranged and synchronously rotate, so that the structure is compact; the diameter of the balance weight retracting disc is smaller than that of the polished rod winding disc, and the drilling depth of the balance weight well is reduced.

3. The rack adopts a pulley structure, so that the laminated double-well pumping unit capable of winding the pumping polished rod can move conveniently, labor and force are saved in operation, the operation intensity is reduced, the operation is convenient and safe, and the automatic control is easy to realize.

Drawings

FIG. 1 is a schematic structural view of a laminated type windable sucker rod of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

FIG. 5 is an enlarged view of section C of FIG. 1;

FIG. 6 is a schematic structural view of a rotary male connector;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a schematic view of the structure of a rotary female joint;

FIG. 9 is a top view of FIG. 8;

FIG. 10 is a schematic view of the construction of a laminated joint;

FIG. 11 is a top view of FIG. 10;

FIG. 12 is a schematic view of the construction of a laminated press plate;

FIG. 13 is a bottom view of FIG. 12;

fig. 14 is a schematic view of a laminated wrappable sucker rod connection.

Fig. 15 is a schematic structural view of the present invention;

FIG. 16 is a left side view of FIG. 15;

fig. 17 is a top view of fig. 15.

In the figure: 1. the rotary male joint, 2, the laminated joint, 3, the laminated pressing plate, 4, the fastener, 5, the high-strength thin steel laminated stack, 6, the rotary female joint, 7, the pin, 8, the laminated type windable sucker rod, 9, the sucker rod retracting disc, 10, the retracting motor, 11, the counterweight traction belt 12, the counterweight positioning wheel, 13, the counterweight positioning wheel bracket, 14, the counterweight well, 15, the concrete foundation, 16, the track steel, 17, the channel steel slideway, 18, the pulley, 19, the laminated type windable sucker rod positioning wheel, 20, the oil well, 21, the main shaft, 22, the first bearing seat, 23, the counterweight disc, 24, the connecting bolt, 25, the second bearing seat, 26, the retracting 27, the movable steel wheel, 28, the worm gear reducer, 29, the gear and rack transmission pair, 30, the movable motor, 101, the external thread, 102, the wrench opening, 103, the inner hole, 104. the bolt comprises a pin hole, 105, a shaft shoulder, 201, a cylinder, 202, an annular groove, 203, a hanging boss, 204, a mounting lower platform, 205, a lower round hole, 303, a hanging groove, 304, a mounting upper platform, 305, an upper round hole, 401, a screw, 402, an elastic pad, 403, a nut, 501, a thin steel sheet, 502, a round hole, 601, an internal thread, 602, a wrench opening, 603, an internal hole and 604, and the pin hole is formed in the bolt body.

Detailed Description

The invention is described in detail below with reference to the following figures and examples:

example 1

As shown in fig. 1, fig. 2, fig. 5 and fig. 7 and fig. 15, the utility model discloses a but coiling oil pumping polished rod of lamination formula, including the sheet steel 501 of round hole 502 is beaten at the both ends of thickness 0.25mm, width 65mm, length 60m, stack 12 sheets of sheet steel 501 neatly together, constitute the high strength sheet steel lamination group 5 that the pulling force is 15T, sheet steel 501 both sides coating anticorrosion bonding material (anticorrosion bonding material adopts epoxy), the both ends round hole 502 of high strength sheet steel lamination group 5 corresponds from top to bottom and through passing fastener 4 of lamination joint 2, round hole 502 and lamination clamp plate 3 will high strength sheet steel lamination group 5 centre gripping is between lamination joint 2 and lamination clamp plate 3, and two lamination joint 2 keep away from high strength sheet steel lamination group 5 one end and rotate respectively and connect rotatory male joint 1 and rotatory female joint 6.

The circular holes 502 are arranged on the surface of the thin steel sheet 501 in a matrix manner and are respectively distributed at equal intervals along the length direction and the width direction of the thin steel sheet 501. In this embodiment, the circular holes 502 are distributed along the length direction of the thin steel plate 501 according to 3 × 3.

As shown in fig. 2, 4, 6 and 7, the rotary male connector 1 is provided with an external thread 101, a shoulder 105, a wrench mouth 102 and an internal hole 103 from the far end of the high-strength thin steel lamination stack 5 to the near end of the high-strength thin steel lamination stack 5; as shown in fig. 8 and 9, the rotating female joint 6 is provided with internal threads 601, a wrench opening 602 and an inner hole 603 from the far end of the high-strength thin steel lamination stack 5 to the near end of the high-strength thin steel lamination stack 5; a plurality of radial pin holes 104 and 604 are respectively and uniformly distributed on the inner hole walls of the rotary male joint 1 and the rotary female joint 6 along the circumferential direction; as shown in fig. 1 and 10, the end of the lamination joint 2 away from the high-strength thin steel lamination stack 5 is a cylinder 201 and is inserted into the inner hole 103 of the corresponding rotary male joint 1 and the inner hole 603 of the corresponding rotary female joint 6, respectively, an annular groove 202 is formed in the surface of the cylinder 201 at a position corresponding to the radial pin hole 104 and a position corresponding to the radial pin hole 604, a pin 7 is inserted into the corresponding annular groove 202 in the pin holes 104 and 604, and the rotary male joint 1 and the lamination joint 2, and the rotary female joint 6 and the other lamination joint 2 are rotatably connected through the pin 7.

As shown in fig. 10 and 11, a mounting lower platform 204 is arranged at a position corresponding to a lamination mounting position of the lamination joint 2, a hanging boss 203 is arranged at one end of the mounting lower platform 204 close to the cylinder 201, and a plurality of lower round holes 205 corresponding to the round holes 502 in a one-to-one manner are processed on the mounting lower platform 204; as shown in fig. 12, 13 and 1, the lamination pressing plate 3 is provided with an upper mounting platform 304 corresponding to the mounting position of the high-strength thin steel lamination stack 5, the upper mounting platform 304 is provided with upper circular holes 305 corresponding to the circular holes 502 in a one-to-one manner, the lamination pressing plate 3 is provided with a hooking groove 303 corresponding to the hooking boss 203 of the lamination joint 2, and the hooking between the lamination joint 2 and the lamination pressing plate 3 is realized through the convex-concave matching of the hooking boss 203 and the hooking groove 303, so as to bear the tensile force and increase the tensile strength.

As shown in fig. 3 and 1, the fastening member 4 comprises a threaded rod 401, an elastic pad 402 and a nut 403, and the laminated joint 2, the high-strength thin steel laminated stack 5 and the laminated pressing plate 3 are fastened together by the elastic pad 402 and the nut 403 after the threaded rod 401 is inserted into the corresponding lower round hole 205, round hole 502 and upper round hole 305; the screw 401 is a headless screw and the bottom end is welded in the lower circular hole 205. The screw 40 and the nut 403 are respectively 10.8-grade screws and nuts.

Referring to fig. 14, the number of the high-strength thin steel lamination groups 5 is 10, wherein a rotary male connector 1 on one high-strength thin steel lamination group is connected with a rotary female connector 6 on another high-strength thin steel lamination group adjacent to the rotary male connector through threads, so that a laminated type windable polish sucker rod 8 meeting the requirements of downhole operation is formed.

As shown in fig. 15, 16 and 17, the utility model relates to a wound form polished rod pumping unit for twin-well, including pumping well 20, counter weight well 14, as the receiving and releasing motor 10 and the oil pumping drive mechanism of pumping unit power supply, the oil pumping drive mechanism includes the frame, with receiving and releasing motor 10 output shaft and equipped with electromagnetic brake receiving and releasing speed reducer 26, main shaft 21, be used for supporting main shaft 14 first bearing seat 22, second bearing seat 25 and set up the bearing in the bearing seat, install polished rod receiving and releasing disc 9 and counter weight receiving and releasing disc 23 on main shaft 21, respectively pile up the lamination formula of winding on polished rod receiving and releasing disc 9 and counter weight disc 23 and can twine polished rod pumping 8 and counter weight traction area 11, counter weight receiving and releasing disc 23 is connected with polished rod receiving and releasing disc 9 through connecting bolt 24, realizes coaxial rotation; the structure of the counterweight traction belt 11 is the same as that of the laminated windable oil pumping polished rod 8, the depth of the counterweight well 14 is 1/2 of the depth of the oil pumping well 20, the diameter of the counterweight retraction disc 23 is 1/2 of the diameter of the oil pumping polished rod retraction disc 9, the rack adopts a pulley 18, the retraction motor 10 and the oil pumping transmission mechanism are both installed on the pulley 18, and the weight of the counterweight is set to be 2 times of the load of the oil pumping well; the laminated oil pumping polished rod 8 capable of being wound is inserted into an oil pumping well 20 through an oil pumping polished rod positioning wheel 19 arranged on the frame.

The winding type polished pumping rod twin-well pumping unit further comprises a concrete foundation 15, one end of the concrete foundation 15 is opposite to a pumping well 20, the other end of the concrete foundation 15 is opposite to a balance weight well 14, a balance weight positioning wheel support 13 is arranged on the concrete foundation 15 corresponding to a balance weight position, a balance weight positioning wheel 12 is arranged on the balance weight positioning wheel support 13, a balance weight traction belt 11 is connected with a balance weight positioned in the balance weight well 14 through the balance weight positioning wheel 12, track steel 16 is fixedly arranged on the concrete foundation 15, a channel steel slideway 17 is welded on the track steel 16, moving steel wheels 27 with locking function (without adopting the moving steel wheels with locking function) are arranged on two sides of the bottom of the pulley 18, a gear rack transmission pair 29 is arranged in the middle of the bottom of the pulley 18, a moving motor 30 and a worm gear reducer 28 are arranged on the surface of the concrete foundation 15, the moving steel wheels 27 of the pulley 18 are arranged on the channel steel slideway 17, the worm reducer 28 is driven by the moving motor 30 and matched with, the translation of the pulley 18 is realized, and the stroke of the pulley 18 is controlled by a limiting device. When the pumping unit works, the movable steel wheel 27 is in a locking state or is detached when the movable steel wheel without the locking function is used for pumping oil.

Example 2

The thickness of the thin steel sheets 501 is 0.3mm, the width is 75mm, the length is 100m, and 15 thin steel sheets 501 are stacked together to form a high-strength thin steel lamination group 5 with the tensile force of 20T; the rest is the same as in example 1.

Example 3

The thickness of the thin steel sheets 501 is 0.2mm, the width of the thin steel sheets 501 is 50mm, the length of the thin steel sheets 501 is 50m, and 8 thin steel sheets 501 are stacked together to form a high-strength thin steel lamination group 5 with the tension of 8T; the rest is the same as in example 1.

The above description is only an example of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a wound form oil pumping polished rod twin-well beam-pumping unit, includes pumping well, counter weight well, pumping unit power supply and oil pumping drive mechanism, oil pumping drive mechanism includes the frame, receive and releases speed reducer, main shaft, oil pumping polished rod receive and release disc, sucker rod, counter weight receive and release disc and be used for connecting the counter weight of counter weight and pull the area, its characterized in that: the sucker rod is the winding oil pumping polished rod of lamination formula, the counter weight traction area is the same with the sucker rod structure, sucker rod and counter weight traction area pile up respectively and twine on the sucker rod receive and releases the disc and the counter weight receive and releases the disc, the degree of depth of counter weight well is 1/2 of the pumping well degree of depth, and the counter weight receives and releases the diameter of disc for the oil pumping polished rod receives and releases 1/2 of disc diameter, the frame is the coaster, oil pumping unit power supply and oil pumping drive mechanism all install on the coaster.

2. The coiled sucker rod twin well pumping unit of claim 1 wherein: this but two well beam-pumping units of lamination formula winding polished rod still includes the concrete foundation, sets firmly the track steel on the concrete foundation, welds the channel-section steel slide on the track steel, coaster bottom both sides are equipped with and remove the steel wheel and install rack and pinion transmission in the middle of the bottom vice, at concrete foundation surface mounting mobile motor and worm gear speed reducer, the removal steel wheel of coaster sets up on the channel-section steel slide, worm gear speed reducer by the mobile motor drive and with the translation of the vice 22 cooperations of rack and pinion transmission realizes the coaster.

3. The coiled sucker rod twin well pumping unit of claim 1 wherein: the front end of the pulley is provided with a laminated positioning wheel capable of winding the polished pumping rod.

4. The coiled sucker rod twin well pumping unit of claim 1 wherein: the laminated type oil pumping polished rod capable of being wound comprises a plurality of thin steel sheets with round holes at two ends, the thickness of the thin steel sheets is 0.2-0.3 mm, the width of the thin steel sheets is 50-75 mm, the length of the thin steel sheets is more than or equal to 50m, anticorrosive bonding materials are coated on two surfaces of the thin steel sheets and the thin steel sheets are neatly stacked together to form a high-strength thin steel lamination group, two ends of the high-strength thin steel lamination group are clamped between a lamination joint and a lamination pressing plate through fasteners penetrating through the round holes, the lamination joint is articulated with the lamination pressing plate, and one ends of the two lamination joints, far away from the high-strength thin steel lamination group.

5. The coiled sucker rod twin well pumping unit of claim 4 wherein: the number of the high-strength thin steel lamination groups is at least two, wherein a rotary male connector on one high-strength thin steel lamination group is connected with a rotary female connector on the other high-strength thin steel lamination group adjacent to the rotary male connector through threads.

6. The coiled sucker rod twin well pumping unit of claim 4 wherein: the rotary male joint is provided with an external thread, a shaft shoulder, a wrench mouth and an inner hole from the far end to the near end of the high-strength thin steel lamination stack, and the rotary female joint is provided with an internal thread, a wrench mouth and an inner hole from the far end to the near end of the high-strength thin steel lamination stack; a plurality of radial pin holes are uniformly distributed on the rotary male joint and the rotary female joint along the circumferential direction corresponding to the hole walls of the inner holes of the rotary male joint and the rotary female joint respectively; the laminated joint is far away from high strength thin steel lamination group one end and is the cylinder and insert respectively in the hole of the rotatory male joint that corresponds and the hole of the rotatory female joint that corresponds the laminated joint cylinder surface corresponds radial pinhole position sets up annular groove respectively correspond the interior interpolation of annular groove of radial pinhole is adorned the pin, realizes respectively through the pin that rotatory male joint is connected rather than the rotation of the laminated joint that corresponds, rotatory female joint and rather than the laminated joint that corresponds.

7. The coiled sucker rod twin well pumping unit of claim 4 wherein: the lamination joint is provided with a lower mounting platform corresponding to the mounting position of the high-strength thin steel lamination group, one end of the lower mounting platform, which is close to the cylinder, is provided with a hanging boss, and a plurality of lower round holes which are in one-to-one correspondence with the round holes are machined in the lower mounting platform; the lamination clamp plate is provided with an installation upper platform corresponding to the lamination installation position, the installation upper platform is provided with upper round holes in one-to-one correspondence with the round holes, hanging lug bosses corresponding to the lamination joints of the lamination clamp plate are provided with hanging grooves, and the hanging lugs of the hanging grooves are hung and matched to bear tension, so that the tensile strength is increased.

8. The coiled sucker rod twin well pumping unit of claim 4 wherein: the fastener includes screw rod, bullet pad and nut, the screw rod inserts behind lower round hole, the round hole of one-to-one and the last round hole through bullet pad and nut are in the same place lamination joint, high strength thin steel lamination group and lamination clamp plate fastening, the screw rod is headless screw rod and bottom welding in the round hole down.

9. The coiled sucker rod twin well pumping unit of claim 4 wherein: the round holes on the thin steel sheet are arranged on the surface of the thin steel sheet in a matrix manner.

10. The coiled sucker rod twin well pumping unit of claim 4 wherein: the high-strength thin steel lamination group is formed by stacking 8-15 thin steel laminations.

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