Hydraulic petroleum pumping unit with secondary balance weight structure
A technology for balancing counterweights and pumping units, which is applied to mechanical equipment, mining fluids, boreholes/well components, etc. It can solve the problems of complex structure transmission, large amount of installation and maintenance, and large energy consumption, and achieve good safety performance. The effect of long service life and low energy consumption
Inactive Publication Date: 2010-04-07
张荣友
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Problems solved by technology
[0002] The traditional oil extraction beam pumping unit consists of a frame, a beam, a donkey head, a gearbox, an electric motor and a crank connecting rod mechanism, which contributes to oil extraction, but this traditional structure of the pumping unit has the following Disadvantages or deficiencies: ①Complicated structural transmission, vulnerable to damage, large amount of installation and maintenance; ②Large power consumption, low efficiency, and large energy consumption
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[0018] refer to Figure 1-Figure 3 , a secondary balance counterweight hydraulic oil pumping unit, including a base 15, a beam 3, a bracket 16, a connecting rod 9, a connecting rod counterweight 6, a hydraulic cylinder 14, a support bearing 13, an upper beam 5, and a connecting bearing 8 , upper connecting rod 7 and little donkey head 4. The tail of the beam 3 is connected with a small donkey head 4, which is connected with the upper beam 5, the upper connecting rod 7, the connecting rod 9 and the counterweight box 12 in sequence, and the connecting rod 9 is equipped with a cross beam 10, and the cross beam 10 A parameter adjustment beam 11 is installed between the counterweight box 12 and a hydraulic cylinder 14 is installed under the parameter adjustment beam 11 . The connecting rod 9 and the counterweight box 12 are integrated, and a support bearing 13 is installed on the junction of the connecting rod 9 and the counterweight box 12 . A counterweight 1 is installed at the...
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A hydraulic petroleum pumping unit with secondary balance weight structure comprises a base, a walking beam, a bracket, a connecting bar, a connecting bar weight, a hydraulic cylinder, a supporting bearing, an upper cross beam, a connecting bearing, an upper connecting bar and a small horsehead. The unit is characterized in that the tail of the walking beam is connected with the small horsehead and the small horsehead is connected with the upper cross beam, the upper connecting bar, the connecting bar and a weight box in order. A cross beam is installed on the connecting bar and a parameter-adjusting beam is installed between the cross beam and the weight box. The hydraulic cylinder is installed below the parameter-adjusting beam. The connecting bar and the weight box form a whole and the supporting bearing is installed at the turn-over point of the connecting bar and the weight box. A weight piece is installed in front of the walking beam. The unit is hydraulically driven, has the characteristics of low power, little wasted energy, few traditional components, little abrasion, long service life, good safety property, good capability of reducing power by over 1 / 3 and the like and can be widely applied to petroleum extraction process.
Description
1. Technical field [0001] The invention relates to an oil pumping unit for oil exploitation, in particular to a secondary balance counterweight hydraulic oil pumping unit. 2. Background technology [0002] The traditional oil extraction beam pumping unit consists of a frame, a beam, a donkey head, a gearbox, an electric motor and a crank connecting rod mechanism, which contributes to oil extraction, but this traditional structure of the pumping unit has the following Disadvantages or deficiencies: ①The structure and transmission are complex, easy to damage and easy to damage, and the amount of installation and maintenance is large; ②Large power consumption, low efficiency, and large energy consumption. 3. Contents of the invention [0003] The object of the present invention is to provide an improved secondary balance counterweight hydraulic oil pumping unit, which adopts a weighted and balanced structure at the front end of the beam and the end of the connecting rod, so a...
Claims
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IPC IPC(8): E21B43/00F16H47/02
Inventor 张荣友张燕洁
Owner 张荣友