CN211230400U - Hydraulic oil pumping machine - Google Patents
Hydraulic oil pumping machine Download PDFInfo
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- CN211230400U CN211230400U CN201921830229.2U CN201921830229U CN211230400U CN 211230400 U CN211230400 U CN 211230400U CN 201921830229 U CN201921830229 U CN 201921830229U CN 211230400 U CN211230400 U CN 211230400U
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Abstract
The utility model discloses a hydraulic pumping unit, including pylon, pneumatic cylinder, hydraulic pressure station, switch board, production tree, the top and the below of pneumatic cylinder are equipped with upstroke running block and lower fixed pulley respectively, the top of upstroke running block is equipped with down stroke running block and last fixed pulley, down stroke wire rope's top is equipped with balanced direction wheelset, and balanced direction wheelset is connected with upstroke wire rope, upstroke wire rope's below is connected with oil pumping traction pulley, balanced direction wheelset includes the overhead traveling crane wheel, the overhead traveling crane wheel passes through the hair pigtail and connects in the rope hanger, the below of rope hanger is connected with the production tree. The utility model discloses broken beam-pumping unit and turned into rotary motion with the electric energy, recycled mechanical method and changed rotary motion into straight reciprocating motion's way, the transmission efficiency is high.
Description
Technical Field
The utility model relates to an oil development beam-pumping unit technical field specifically is a tower hydraulic pressure beam-pumping unit.
Background
At present, the mechanical oil extraction of the oil field mainly applies a beam pumping unit, which occupies the leading position of oil extraction production of the oil field, and is generally directly dragged by a combination of a common alternating current asynchronous motor, a gearbox and a cantilever connecting rod, so that the mechanical oil extraction of the oil field has the advantages of large weight, wide occupied area, unbalanced balance weight and power consumption of a sucker rod, low system efficiency and inconvenient maintenance.
Therefore, there is a need for an oil pumping unit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve the problem among the present background art, provide a hydraulic pumping unit, concrete technical scheme as follows:
the utility model provides a hydraulic pumping unit, includes pylon, pneumatic cylinder, hydraulic pressure station, switch board, production tree, the top and the below of pneumatic cylinder are equipped with upstroke running block and lower fixed pulley respectively, the top of upstroke running block is equipped with downstroke running block and last fixed pulley, downstroke wire rope's top is equipped with balanced direction wheelset, and balanced direction wheelset is connected with counter weight balance box and the last stroke wire rope who is connected with it, upstroke wire rope's below is connected with oil pumping traction pulley, balanced direction wheelset comprises three coaxial wire rope pulley, and two wire rope pulleys on both sides align with the overhead traveling crane wheel is with the rail, the hair pigtail passes through overhead traveling crane wheel and these two limit wire pulleys, and the rope hanger is equipped with to the lower extreme of hair pigtail. And a sucker rod in a Christmas tree oil well is connected below the rope hanger.
Further, the tower is L-shaped. The lower fixed pulley, the hydraulic cylinder, the upper stroke movable pulley block, the lower stroke movable pulley block, the upper fixed pulley and the lower stroke steel wire rope are all arranged in the vertical direction of the tower frame. The hydraulic station and the control cabinet are arranged below the tower in the horizontal direction.
And the unidirectional constant-pressure power fluid output by the hydraulic station is connected to the stroke reversing valve through a pipeline, and the hydraulic cylinder stroke position signal detected by the stroke reversing valve is used for reversing. The stroke reversing valve is a two-position four-way reversing valve, and output alternating power liquid is supplied to the hydraulic cylinder to enable the hydraulic cylinder to perform alternating reciprocating motion. The exhausted power liquid of the hydraulic cylinder is connected with an oil tank through a pipeline to form a closed loop with the hydraulic station. And the output power supply and the control signal of the control cabinet are connected to the hydraulic station to control the hydraulic station to work normally.
Furthermore, the hydraulic pumping unit is provided with three groups of steel wire ropes with different functions, namely a hair braid, an upper stroke steel wire rope and a lower stroke steel wire rope, and one ends of the three groups of steel wire ropes are connected with the balance box.
Furthermore, one end of the hair pigtail is connected with the sucker rod of the rope hanger, and is connected with the upper end of the balance box through the crown block pulley and the balance guide wheel, so that gravity balance is formed between the column sucker rod in the oil well and the balance box.
Furthermore, one end of the upper stroke steel wire rope is connected with the lower end of the balance box, and the other end of the upper stroke steel wire rope is fixedly connected to the base after passing through the oil pumping traction pulley, the left wheel of the upper stroke movable pulley block, the lower fixed pulley and the right wheel of the upper stroke movable pulley block.
Furthermore, one end of the lower steel wire rope is connected with the upper end of the parallel box, the other end of the lower steel wire rope penetrates through a middle pulley of the balance guide pulley block, downwards passes through one pulley of the downstroke movable pulley block, upwards passes through the fixed pulley, downwards passes through the other pulley of the downstroke movable pulley block, and finally upwards is fixedly connected with the top end of the tower.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model breaks the problem that the beam-pumping unit converts the electric energy into the rotary motion; and the method of converting the rotary motion into the linear reciprocating motion by a mechanical method is utilized, so that the transmission efficiency is improved. It is very suitable to analyze the hydraulic pumping unit as long stroke pumping unit from mechanism aspect, and the pumping rod can obtain quite long stroke as long as the length of the working hydraulic cylinder is correspondingly lengthened or the number of turns of the steel wire rope wound on the pulley is increased. The whole machine has low complexity, light weight, good balance effect, low cost and obvious energy-saving effect, and can randomly adjust stroke and frequency through the control cabinet, thereby meeting the use requirements of various oil wells.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-crown block wheel; 2-balancing a guide wheel set; 3-a hair braid; 4-a balancing box; 5-lower stroke steel wire rope; 6-upper stroke steel wire rope; 7-fixing a pulley; 8-a downstroke movable pulley block; 9-up stroke movable pulley block; 10-a hydraulic cylinder; 11-a rope hanger; 12-lower fixed pulley; 13-oil pumping traction pulley; 14-a christmas tree; 15-a hydraulic station; 16-a control cabinet; 17-a tower; 18-stroke reversing valve.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1: the hydraulic pumping unit shown in fig. 1 comprises a tower 17, a hydraulic cylinder 10, a hydraulic station 15, a control cabinet 16 and a Christmas tree 14, an upper stroke movable pulley block 9 and a lower fixed pulley 12 are respectively arranged above and below the hydraulic cylinder 10, a lower stroke movable pulley block 8 and an upper fixed pulley 7 are arranged above the upper stroke movable pulley block 9, a balance guide wheel set 2 is arranged above the lower stroke steel wire rope 5, the balance guide wheel set 2 is connected with a balance weight balancing box 4 and an upper stroke steel wire rope 6 connected with the balance weight balancing box, an oil pumping traction pulley 13 is connected below the upper stroke steel wire rope 6, the balance guide wheel set 2 consists of three coaxial steel wire rope pulleys, two steel wire rope pulleys on two sides are aligned with the crown block wheel 1 in the same rail, the hair plait 3 passes through the crown block pulley 1 and the two edge steel wire pulleys, and the lower end of the hair plait 3 is provided with a rope hanger 11. And a sucker rod in an oil well of a Christmas tree 14 is connected below the rope hanger 11.
In addition, the tower 17 is in an L shape, the lower fixed pulley 12, the hydraulic cylinder 10, the upper stroke movable pulley block 9, the lower stroke movable pulley block 8, the upper fixed pulley 7 and the lower stroke steel wire rope 5 are all arranged in the vertical direction of the tower 17, the hydraulic station 15 and the control cabinet 16 are arranged in the horizontal direction below the tower 17, the power hydraulic output of the hydraulic station 15 is connected to the hydraulic cylinder 10 through a pipeline to provide hydraulic power for the hydraulic cylinder 10, and the output power supply and the control signal of the control cabinet 16 are connected to the hydraulic station 15 to control the hydraulic station 15 to normally work. The upper stroke steel wire rope 6 is provided with a balance box 4, and the lower stroke steel wire rope 5 is parallel to the upper stroke steel wire rope 6.
The utility model discloses the theory of operation is: the hydraulic power is provided for the hydraulic cylinder 10 through the hydraulic station 15, so that the hydraulic cylinder 10 automatically reciprocates up and down under the control of the stroke reversing valve 18, the lower stroke sliding wheel set 8 and the upper stroke sliding wheel set 9 are driven to reciprocate, the distance between the hydraulic cylinder and the upper fixed pulley 7 and the lower fixed pulley 12 is changed, the lower stroke steel wire rope 5 and the upper stroke steel wire rope 6 wound on the lower stroke pulley set 8 and the upper stroke pulley set 9 are stretched and tensioned along with the reciprocating motion, the balance box 4 is driven to reciprocate up and down along with the reciprocating motion, the rope hanger 11 at the lower ends of the hair braid 3 and the hair braid 3 connected on the balance box 4 is connected with the sucker rod, and the sucker rod and the oil well pump in the oil production tree 14 oil well reciprocate up and down, and the purpose of pumping oil is achieved.
The utility model adopts hydraulic drive, when walking for one meter, the wire rope acting on the hair braid 3 needs to walk for 4 meters, because the hydraulic cylinder 10 has short stroke and slow linear velocity, the defects of the traditional hydraulic cylinder piston rod that the linear velocity is fast and the sealing is difficult are solved; due to the structural characteristics of the hydraulic cylinder 10, the down stroke time is faster than the up stroke time by more than 60%, the ineffective work time of the motor is reduced, and the effective oil pumping time of the oil well pump is prolonged.
The utility model discloses hydraulic pumping unit is very suitable as the model of long stroke beam-pumping unit, as long as correspondingly lengthen working cylinder 10's length or increase the number of turns that the wire rope coiled on the pulley, the sucker rod just can obtain fairly long stroke. The whole machine has simple structure, light weight, good balance effect, low cost and obvious energy-saving effect, and the stroke frequency can be adjusted at will through the control cabinet 16, thereby meeting the use requirements of various oil wells.
Having described the basic principles and essential features of the invention, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed, and which are defined by the appended claims and their equivalents.
Claims (6)
1. A hydraulic pumping unit is characterized by comprising a tower frame, a hydraulic cylinder, a hydraulic station, a control cabinet and a Christmas tree, wherein an upper stroke movable pulley block and a lower fixed pulley are arranged above and below the hydraulic cylinder respectively, a lower stroke movable pulley block and an upper fixed pulley are arranged above the upper stroke movable pulley block, three groups of steel wire ropes with different functions are arranged on the hydraulic pumping unit, namely a hair braid, an upper stroke steel wire rope and a lower stroke steel wire rope respectively, one ends of the three groups of steel wire ropes are connected with a balance box, a balance guide wheel group is arranged above the lower stroke steel wire rope, the balance guide wheel group is connected with a balance weight balance box and an upper stroke steel wire rope connected with the balance weight balance box, the lower part of the upper stroke steel wire rope is connected with an oil pumping traction pulley, the balance guide wheel group is composed of three coaxial steel wire rope pulleys, and two steel wire, the hair pigtail passes through overhead traveling crane wheel and these two limit steel wire pulleys, and the rope hanger is equipped with to the lower extreme of hair pigtail, the below of rope hanger is connected with the sucker rod in the production tree oil well.
2. The hydraulic pumping unit of claim 1, wherein the tower is "L" shaped, the lower fixed pulley, the hydraulic cylinder, the upper stroke pulley block, the lower stroke pulley block, the upper fixed pulley and the lower stroke steel wire rope are all arranged in a vertical direction of the tower, and the hydraulic station and the control cabinet are arranged in a horizontal direction below the tower.
3. The hydraulic pumping unit of claim 1, wherein the hydraulic station outputs a unidirectional constant pressure power fluid that is connected to the stroke reversing valve via a pipeline, the hydraulic cylinder stroke position signal detected by the stroke reversing valve is reversed, the stroke reversing valve is a two-position four-way reversing valve, the output alternating power fluid is supplied to the hydraulic cylinder to make the hydraulic cylinder reciprocate alternately, the exhausted power fluid of the hydraulic cylinder is connected to the oil tank via a pipeline to form a closed loop with the hydraulic station, and the output power supply and the control signal of the control cabinet are connected to the hydraulic station to control the hydraulic station to work normally.
4. The hydraulic pumping unit of claim 1, wherein one end of the hair braid is connected to the sucker rod of the rope hanger and connected to the upper end of the balance box through a crown block wheel and a balance guide wheel, so that the gravity balance is formed between the sucker rod column and the balance box in the oil well.
5. The hydraulic pumping unit of claim 1, wherein one end of the upper stroke steel wire rope is connected to the lower end of the balance box, and the other end of the upper stroke steel wire rope passes through the oil pumping traction pulley, the left wheel of the upper stroke pulley block, the lower fixed pulley and the right wheel of the upper stroke pulley block and is fixedly connected to the base.
6. The hydraulic pumping unit of claim 1, wherein one end of the down stroke wire rope is connected to the upper ends of the parallel boxes, and the other end of the down stroke wire rope passes through the middle pulley of the balance guide pulley block, passes downward through one of the pulleys of the down stroke movable pulley block, passes upward through the fixed pulley, passes downward through the other pulley of the down stroke movable pulley block, and is finally fixed and connected upward to the top end of the tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921830229.2U CN211230400U (en) | 2019-10-29 | 2019-10-29 | Hydraulic oil pumping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921830229.2U CN211230400U (en) | 2019-10-29 | 2019-10-29 | Hydraulic oil pumping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230400U true CN211230400U (en) | 2020-08-11 |
Family
ID=71930788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921830229.2U Active CN211230400U (en) | 2019-10-29 | 2019-10-29 | Hydraulic oil pumping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211230400U (en) |
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2019
- 2019-10-29 CN CN201921830229.2U patent/CN211230400U/en active Active
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