Intelligent energy-saving crank balance type beam-pumping unit

Abstract

The utility model relates to the technical field of oil pumping units, and discloses an intelligent energy-saving crank balance type beam-pumping unit which comprises an oil pumping mechanism and further comprises a balance weight mechanism and a driving mechanism, the top end of the oil pumping mechanism is movably connected with the bottom end of the balance weight mechanism, the top end of the driving mechanism is fixedly connected with the top end of the balance weight mechanism, and the balance weight mechanism is movably connected with the top end of the balance weight mechanism. The oil pumping mechanism comprises a bottom plate, a support frame, a mounting shaft, a cross beam and a horse head; the counterweight mechanism comprises a counterweight box; when the horse head moves downwards, the driving mechanism drives the weight box to move to the left side of the mounting shaft, the weight of the left side of the cross beam is increased, and the weight box exerts downward force on the portion, located on the left side of the mounting shaft, of the cross beam, and when the horse head moves upwards, the driving mechanism drives the weight box to move to the right side of the mounting shaft along the cross beam. The weight box exerts downward pressure on the right side of the cross beam, gravity is reasonably used to be matched with the driving device to drive the cross beam to rotate along the mounting shaft, loss of the driving device is reduced, energy is saved, and cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pumping unit technical field more particularly to a kind of intelligent energy-saving crank balance type beam pumping unit. BACKGROUND

[0002] Beam pumping unit is one of the main pumping units used in oil field, mainly by horse head-beam-connecting rod-crank mechanism, reduction gearbox, power equipment and auxiliary equipment four parts, when working, the rotation of motor is changed into the up-down movement of horse head through gearbox, crank connecting rod mechanism, horse head drives downhole beam pumping unit's plunger to move up and down through polished rod, pumping unit, so that continuously pumping out wellbore.

[0003] Prior art deficiencies: the existing pumping unit is powered by power equipment when in use, drives horse head to move up and down for pumping, but in actual use, horse head is heavy, to ensure normal operation of equipment, power equipment is large, but the power required when horse head moves up and down is different, so resource waste is easily caused in use. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides an intelligent energy-saving crank balance type beam pumping unit to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: an intelligent energy-saving crank balance type beam pumping unit, comprising pumping mechanism, further comprising: counterweight mechanism and driving mechanism, the top end of the pumping mechanism is movably connected with the bottom end of the counterweight mechanism, the top end of the driving mechanism is fixedly connected with the top end of the counterweight mechanism, the pumping mechanism comprises a bottom plate, the bottom plate is fixedly connected with a support frame, the top end of the support frame is fixedly connected with a mounting shaft, the side surface of the mounting shaft movably sleeves a cross beam, the side surface of the cross beam is fixedly connected with a horse head, the top end of the bottom plate is fixedly connected with a driving device, the output shaft of the driving device is movably connected with the bottom end of the cross beam, the counterweight mechanism comprises a counterweight box, the bottom end of the counterweight box is provided with a clamping groove, the side surface of the clamping groove is movably connected with the side surface of the cross beam, the bottom end of the counterweight box is fixedly connected with the top end of the driving mechanism, the side surface of the counterweight mechanism is fixedly connected with the inner wall of the side surface of the cross beam.

[0006] Further, the driving mechanism comprises a transmission shaft, the side surface of the transmission shaft movably sleeves the side surface of the cross beam, the side surface of the transmission shaft fixedly sleeves a transmission gear, the side surface of the cross beam movably connects an installation frame, the bottom end inner wall of the installation frame is fixedly connected with a lower gear strip, the top end inner wall of the installation frame is fixedly connected with an upper gear strip, the top end of the lower gear strip is meshed with the bottom end of the transmission gear, the top end of the installation frame is fixedly connected with the bottom end of the counterweight mechanism.

[0007] Furthermore, the counterweight box has an internal cavity, an automatic telescopic rod is fixedly connected to the top of the cavity, an installation plate is fixedly connected to the bottom of the automatic telescopic rod, a connecting column is fixedly connected to the bottom of the installation plate, and the bottom of the connecting column is fixedly connected to the top of the installation frame.

[0008] Furthermore, a drive motor is fixedly connected to the inner side wall of the crossbeam, a drive gear is fixedly connected to the output shaft of the drive motor, and a driven gear is fixedly sleeved on the side of the transmission shaft, with the side of the driven gear meshing with the side of the drive gear.

[0009] Furthermore, a roller is movably connected to the top of the slot via a pin, and the top of the roller is connected to the top of the crossbeam via a transmission connection.

[0010] Furthermore, the counterweight box is located in the middle of the mounting frame, and the center of the drive shaft and the center of the mounting shaft are on the same vertical line.

[0011] The technical effects and advantages of this utility model are as follows:

[0012] 1. In this utility model, when the donkey head moves downward, the drive mechanism moves the counterweight box to the left side of the mounting shaft, increasing the weight on the left side of the crossbeam. This causes the counterweight box to exert a downward force on the portion of the crossbeam located on the left side of the mounting shaft. When the donkey head moves upward, the drive mechanism moves the counterweight box along the crossbeam to the right side of the mounting shaft, causing the counterweight box to exert a downward pressure on the right side of the crossbeam. This efficient use of gravity in conjunction with the drive device to rotate the crossbeam along the mounting shaft reduces wear on the drive device, thus saving energy and reducing costs.

[0013] 2. This utility model uses an automatic telescopic rod to move the mounting plate up and down, which in turn causes the connecting column to move the mounting frame up and down. This allows the lower and upper gear racks to mesh with the transmission gears, thus achieving the reversal of the counterweight mechanism and ensuring the normal operation of the equipment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure at the crossbeam of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure at the transmission shaft of this utility model;

[0017] Figure 4 This is a schematic diagram of the counterweight mechanism of this utility model;

[0018] Figure 5 This is a cross-sectional structural diagram of the counterweight mechanism of this utility model.

[0019] 1, pumping mechanism; 101, bottom plate; 102, cross beam; 103, support frame; 104, horse head; 105, driving device; 106, mounting shaft; 2, counterweight mechanism; 201, counterweight box; 202, connecting column; 203, clamping groove; 204, roller; 205, cavity; 206, mounting plate; 207, automatic telescopic rod; 3, driving mechanism; 301, mounting frame; 302, lower gear bar; 303, transmission shaft; 304, transmission gear; 305, upper gear bar; 306, driving motor; 307, driven gear; 308, driving gear. DETAILED DESCRIPTION

[0020] The technical solutions in the utility model will be described clearly and completely in combination with the drawings in the utility model, and additionally, the forms of each structure described in the following embodiments are only examples, and the intelligent energy-saving type crank balance type beam pumping unit involved in the utility model is not limited to each structure described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Reference Figures 1 to 5The utility model provides a kind of intelligent energy-saving crank balance type beam pumping unit, including pumping mechanism 1, further include: counterweight mechanism 2 and driving mechanism 3, the top of pumping mechanism 1 is movably connected with the bottom of counterweight mechanism 2, the top of driving mechanism 3 is fixedly connected with the top of counterweight mechanism 2, pumping mechanism 1 includes bottom plate 101, bottom plate 101 is fixedly connected with support frame 103, the top of support frame 103 is fixedly connected with mounting shaft 106, the side of mounting shaft 106 movably sleeve joint has crossbeam 102, the side of crossbeam 102 is fixedly connected with mule head 104, the top of bottom plate 101 is fixedly connected with driving device 105, the output shaft of driving device 105 is movably connected with the bottom of crossbeam 102, counterweight mechanism 2 includes counterweight box 201, the bottom of counterweight box 201 is provided with clamping groove 203, the side of clamping groove 203 is movably connected with the side of crossbeam 102, the bottom of counterweight box 201 is fixedly connected with the top of driving mechanism 3, the side of counterweight mechanism 2 is fixedly connected with the side inner wall of crossbeam 102, when equipment operates, driving device 105 drives crossbeam 102 to rotate up and down along mounting shaft 106, to make mule head 104 move up and down, carry out pumping, during pumping, when mule head 104 moves down, driving mechanism 3 drives counterweight box 201 to move to the left side of mounting shaft 106, increase the weight of left side of crossbeam 102, so that counterweight box 201 exerts downward force on the left side portion of crossbeam 102 located at mounting shaft 106, when mule head 104 moves up, driving mechanism 3 drives counterweight box 201 to move to the right side of mounting shaft 106 along crossbeam 102, so that counterweight box 201 exerts a downward pressure on the right side of crossbeam 102, rationally use gravity to drive crossbeam 102 to rotate along mounting shaft 106 with driving device 105, reduce the loss of driving device 105.

[0022] Wherein, driving mechanism 3 includes transmission shaft 303, the side of transmission shaft 303 is movably connected with the side of crossbeam 102, the side of transmission shaft 303 is fixedly connected with transmission gear 304, the side of crossbeam 102 movably connects with mounting frame 301, the bottom inner wall of mounting frame 301 is fixedly connected with lower gear strip 302, the top inner wall of mounting frame 301 is fixedly connected with upper gear strip 305, the top of lower gear strip 302 and the bottom of transmission gear 304 are mutually engaged, the top of mounting frame 301 is fixedly connected with the bottom of counterweight mechanism 2, transmission shaft 303 drives transmission gear 304 to rotate, makes mounting frame 301 drive counterweight mechanism 2 to move to left side by transmission gear 304 and lower gear strip 302 mutually engaged, when needing counterweight box 201 to move to right side, lower gear strip 302 is separated from transmission gear 304 by the downward movement of mounting frame 301, upper gear strip 305 and transmission gear 304 are mutually engaged, so that mounting frame 301 drives counterweight box 201 to move to right side, realize that counterweight box 201 reciprocates along crossbeam 102.

[0023] The inside of the counterweight box 201 is provided with a cavity 205, the top end of the cavity 205 is fixedly connected with an automatic telescopic rod 207, the bottom end of the automatic telescopic rod 207 is fixedly connected with a mounting plate 206, the bottom end of the mounting plate 206 is fixedly connected with a connecting column 202, and the bottom end of the connecting column 202 is fixedly connected with the top end of the mounting frame 301.

[0024] The side surface of the cross beam 102 is fixedly connected with a driving motor 306, the output shaft of the driving motor 306 is fixedly connected with a driving gear 308, the side surface of a transmission shaft 303 is fixedly sleeved with a driven gear 307, the side surface of the driven gear 307 is meshed with the side surface of the driving gear 308, the driving motor 306 drives the driving gear 308 to rotate, and the driving gear 308 and the driven gear 307 are meshed to drive the transmission shaft 303 to rotate.

[0025] The top end of the clamping groove 203 is movably sleeved with a roller 204 through a pin, the top end of the roller 204 is in transmission connection with the top end of the cross beam 102, the roller 204 supports the cross beam 102, and the roller 204 rolls along the cross beam 102 when the counterweight box 201 moves, thereby reducing the friction between the cross beam 102 and the clamping groove 203 and reducing abrasion.

[0026] The counterweight box 201 is located at the middle position of the mounting frame 301, and the center of the transmission shaft 303 and the center of the mounting shaft 106 are located on the same vertical line.

[0027] The working principle of the utility model is as follows: when the equipment operates, the driving device 105 drives the cross beam 102 to rotate up and down along the mounting shaft 106, so that the donkey head 104 moves up and down to carry out oil pumping, during the oil pumping process, when the donkey head 104 moves downward, the automatic telescopic rod 207 drives the mounting plate 206 to move upward, the connecting column 202 drives the mounting frame 301 to move upward, the lower gear strip 302 is meshed with the roller 204, the driving motor 306 is started to drive the driving gear 308 to rotate, the driving gear 308 and the driven gear 307 are meshed to drive the transmission shaft 303 to rotate, the transmission gear 304 and the lower gear strip 302 are meshed to drive the mounting frame 301 to move the counterweight box 201 to the left side of the mounting shaft 106, the weight of the left side of the cross beam 102 is increased, the counterweight box 201 exerts a downward force on the part of the cross beam 102 located on the left side of the mounting shaft 106, when the donkey head 104 moves upward, the automatic telescopic rod 207 pushes the mounting plate 206 to move downward, so that the mounting frame 301 moves downward, the lower gear strip 302 is separated from the transmission gear 304, the transmission gear 304 and the upper gear strip 305 are meshed, the counterweight box 201 is driven to move along the cross beam 102 to the right side of the mounting shaft 106, the counterweight box 201 exerts a downward pressure on the right side of the cross beam 102, the gravity is reasonably used to drive the cross beam 102 to rotate along the mounting shaft 106 by the driving device 105, and the loss of the driving device 105 is reduced.

[0028] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A smart energy saving type of crank counterbalance type beam pumping unit comprising a pumping mechanism (1), characterized in that, Also include: Counterweight mechanism (2) and drive mechanism (3), the top end of the oil pumping mechanism (1) and the bottom end of the counterweight mechanism (2) are movably connected, the top end of the drive mechanism (3) and the top end of the counterweight mechanism (2) are fixedly connected, the oil pumping mechanism (1) comprises a bottom plate (101), the bottom plate (101) is fixedly connected with a support frame (103), the top end of the support frame (103) is fixedly connected with a mounting shaft (106), the side surface of the mounting shaft (106) movably sleeves a cross beam (102), the side surface of the cross beam (102) is fixedly connected with a horse head (104), the top end of the bottom plate (101) is fixedly connected with a drive device (105), the output shaft of the drive device (105) is movably connected with the bottom end of the cross beam (102), the counterweight mechanism (2) comprises a counterweight box (201), the bottom end of the counterweight box (201) is provided with a clamping groove (203), the side surface of the clamping groove (203) is movably connected with the side surface of the cross beam (102), the bottom end of the counterweight box (201) is fixedly connected with the top end of the drive mechanism (3), the side surface of the counterweight mechanism (2) is fixedly connected with the inner wall of the side surface of the cross beam (102).

2. The intelligent energy-saving walking beam pumping unit of claim 1, wherein: The drive mechanism (3) comprises a transmission shaft (303), the side surface of the transmission shaft (303) movably sleeves the side surface of the cross beam (102), the side surface of the transmission shaft (303) fixedly sleeves a transmission gear (304), the side surface of the cross beam (102) movably connects an installation frame (301), the bottom end inner wall of the installation frame (301) is fixedly connected with a lower gear bar (302), the top end inner wall of the installation frame (301) is fixedly connected with an upper gear bar (305), the top end of the lower gear bar (302) and the bottom end of the transmission gear (304) are mutually engaged, and the top end of the installation frame (301) is fixedly connected with the bottom end of the counterweight mechanism (2).

3. The intelligent energy-saving walking beam pumping unit of claim 1, wherein: The inside of the counterweight box (201) is provided with a cavity (205), the top end of the cavity (205) is fixedly connected with an automatic telescopic rod (207), the bottom end of the automatic telescopic rod (207) is fixedly connected with a mounting plate (206), the bottom end of the mounting plate (206) is fixedly connected with a connecting column (202), and the bottom end of the connecting column (202) is fixedly connected with the top end of the installation frame (301).

4. The intelligent energy-saving walking beam pumping unit of claim 2, wherein: The side inner wall of the cross beam (102) is fixedly connected with a driving motor (306), the output shaft of the driving motor (306) is fixedly connected with a driving gear (308), the side surface of the transmission shaft (303) fixedly sleeves a driven gear (307), and the side surface of the driven gear (307) and the side surface of the driving gear (308) are mutually engaged.

5. The intelligent energy-saving walking beam pumping unit of claim 1, wherein: The top end of the clamping groove (203) movably sleeves a roller (204) through a pin, and the top end of the roller (204) is in transmission connection with the top end of the cross beam (102).

6. The intelligent energy-saving walking beam pumping unit of claim 2, wherein: The counterweight box (201) is located at the middle position of the installation frame (301), and the center of the transmission shaft (303) and the center of the mounting shaft (106) are located on the same vertical line.

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