CN101307685A - Long stroke hydraulic pumping unit - Google Patents
Long stroke hydraulic pumping unit Download PDFInfo
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- CN101307685A CN101307685A CNA2008100537980A CN200810053798A CN101307685A CN 101307685 A CN101307685 A CN 101307685A CN A2008100537980 A CNA2008100537980 A CN A2008100537980A CN 200810053798 A CN200810053798 A CN 200810053798A CN 101307685 A CN101307685 A CN 101307685A
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Abstract
The invention discloses a long-stroke hydraulic pumping unit, comprising a frame, a sucker rod and a weight box which is provided with a counterweight, and also comprises an oil box, a liquid inlet and a hydraulic pump connected with the oil box, wherein, an outlet of the hydraulic pump is connected with an inlet of a hydraulic reversing valve; two outlets of the reversing valve are connected with a first hydraulic cylinder and a second hydraulic cylinder which are vertically arranged on the frame through pipelines respectively; a piston rod of the first hydraulic cylinder and a piston rod of the second hydraulic cylinder are connected with a first doffer bobbin winder and a second doffer bobbin winder which are arranged on the frame through a first carrying belt respectively, a first swift bobbin winder and a second swift bobbin winder which are provided with a second carrying belt respectively are coaxially arranged on the frame respectively with the first doffer bobbin winder and the second doffer bobbin winder; and the rocker rod and the weight box are connected with the second carrying belt respectively. With the adoption of the long-stroke hydraulic pumping unit, standardized and module production, low manufacturing cost and safer operation can be realized; moreover, the moving distance of the sucker rod is longer than the moving distance of the piston rod, thereby realizing long-stroke operation of the pumping unit, and reducing energy consumption.
Description
Technical field
The present invention relates to a kind of oil exploration equipment, relate in particular to a kind of long stroke hydraulic pumping unit.
Background technology
At present, the oil pumper that the oil field is used is divided into two big classes: beam pumping unit and no beam pumping unit, the beam type primary structure is: by frame, be contained in the trip fine strain of millet of the band horse head on the frame, be contained in the balance slide block on the oily beam, the connecting rod that connects walking beam and crank, the belt of connecting crank and reduction box, the carrying rope that connects sucker rod and horse head is formed oil pumper jointly, its major defect is the manufacturing cost height, stroke is short during operation, counterbalance effect is poor, efficient is low, power consumption is high, maintenance time is long, the expense height, install, operation, keep in repair dangerous, easily hurt sb.'s feelings, each oil field all has the oil pumper incident of hurting sb.'s feelings to take place; No beam pumping unit structure is: by the lift heavy band of frame, connection sucker rod and ballast box, the belt that connects chain, connection reducer and the motor of ballast box and reducer is formed oil pumper jointly, its manufacturing cost is more taller than beam pumping unit, and running cost, maintenance cost are also high; In China, oil pumper fail standardization, modularization production, manufacturer's different product difference is changed the part maintenance to oil pumper and is brought difficulty.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, can carry out standardization, modularization production, low cost of manufacture, install, operation, maintenance safety, stroke length during operation, production fluid amount height, efficient height, energy-conservation long stroke hydraulic pumping unit.
Long stroke hydraulic pumping unit of the present invention, it comprises frame, sucker rod, the ballast box of counterweight is housed in it, it also comprises fuel tank, the hydraulic pump that inlet links to each other with described fuel tank, an inlet of a described hydraulic pressure delivery side of pump and a hydraulicdirectional control valve links to each other, two outlets of described reversal valve are respectively by pipeline and vertically be installed in first on the described frame, two hydraulic cylinders link to each other, described reversal valve also is provided with the bleed off pipe of a controlled pressure, described bleed off pipe links to each other with described fuel tank by the oil return pipeline, described first, two cylinder lower are connected by the topping up pipeline that stop valve is housed on it, the piston rod of described hydraulic cylinder respectively by the first lift heavy band be installed in first on the described frame respectively, two doffer reels link to each other, that the second lift heavy band is housed on it and its diameter is greater than described first, first of two doffer reel diameters, two swift reels are respectively with described first, two doffer reels are coaxial to be installed on the described frame described sucker rod, ballast box is connected on the described second lift heavy band.
Long stroke hydraulic pumping unit of the present invention, it comprises frame, sucker rod, the ballast box of counterweight is housed in it, it also comprises fuel tank, the hydraulic pump that inlet links to each other with described fuel tank, an inlet of a described hydraulic pressure delivery side of pump and a hydraulicdirectional control valve links to each other, two outlets of described reversal valve are respectively by pipeline and horizontal first of the double piston-rod hydraulic cylinder on the described frame that is installed in, two hydraulic cylinders link to each other, described reversal valve also is provided with the bleed off pipe of a controlled pressure, described bleed off pipe links to each other with described fuel tank by the oil return pipeline, the piston rod of described hydraulic cylinder respectively by the first lift heavy band be installed in first on the described frame respectively, two doffer reels link to each other, the second lift heavy band and its diameter are housed greater than described first on it respectively, first of two doffer reel diameters, two swift reels are respectively with described first, two doffer reels are coaxial to be installed on the described frame, described first, be equipped with first on the frame of the outer upside of two swift reels, two head sheaves, the described second lift heavy band are respectively by described first, two head sheaves and described sucker rod, ballast box links to each other.
Adopt device of the present invention to have the following advantages:
Because what select for use when making all is standard component, can realize standardization, modularization production; Since simple in structure, low cost of manufacture; Owing to cancelled walking beam, slide block, crank, make installations, move safer; Because gantry base is reserved a hole, in case the ballast box landing directly falls into the hole, can not pound on the support, has guaranteed the safety of support; Because the coaxial cylinder reel that installs large and small different-diameter makes the sucker rod move distance be longer than the move distance of piston rod, realize the operation of oil pumper long stroke; Because the counterweight in the ballast box, use be balancing weight, can increase and can subtract so that reach system balancing, when this kind connected mode can realize the sucker rod uplink and downlink, the hydraulic pump uniform motion cut down the consumption of energy.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of long stroke hydraulic pumping unit of the present invention;
Fig. 2 is the structural representation of second kind of embodiment of long stroke hydraulic pumping unit of the present invention;
Fig. 3 is the structural representation of the third embodiment of long stroke hydraulic pumping unit of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done to describe in detail.
In first kind of embodiment of the present invention as shown in Figure 1, long stroke hydraulic pumping unit of the present invention, it comprises frame 10, the sucker rod 7 of oil recovery usefulness in oil well 6, the ballast box 9 of counterweight 8 is housed in it, it also comprises fuel tank 3, the hydraulic pump 1 that inlet links to each other with described fuel tank 3,2 one inlets of the outlet of described hydraulic pump 1 and a hydraulicdirectional control valve link to each other, two outlets of described reversal valve 2 are respectively by pipeline and vertically be installed in first on the described frame, two hydraulic cylinder 5-1,5-2 links to each other, described reversal valve 2 also is provided with the bleed off pipe of a controlled pressure, described bleed off pipe links to each other with described fuel tank 3 by the oil return pipeline, described first, two hydraulic cylinder 5-1, the 5-2 bottom is connected oil-filled to be used in the oil cylinder initial state by the topping up pipeline 15 that stop valve 16 is housed on it, the piston rod of described hydraulic cylinder respectively by the first lift heavy band 4 be installed in first on the described frame 10 respectively, two doffer reel 11-1,11-2 links to each other, that the second lift heavy band 12 is housed on it and its diameter is greater than described first, two doffer reel 11-1, first of 11-2 diameter, two swift reel 13-1,13-2 is respectively with described first, two doffer reel 11-1,11-2 is coaxial to be installed on the described frame 10 described sucker rod 7, ballast box 9 is connected on the described second lift heavy band 12.It also comprises first and second head sheave 14-1, the 14-2 on the frame that is installed in described first and second swift reel 13-1, the 13-2 outside in second kind of embodiment of the present invention as shown in Figure 2, and the described second lift heavy band 12 links to each other with described sucker rod 7, ballast box 9 by described first and second head sheave 14-1,14-2 respectively.
In the third embodiment of the present invention as shown in Figure 3, it comprises frame 10, the sucker rod 7 of oil recovery usefulness in oil well 6, the ballast box 9 of counterweight 8 is housed in it, it also comprises fuel tank 3, the hydraulic pump 1 that inlet links to each other with described fuel tank 3,2 one inlets of the outlet of described hydraulic pump 1 and a hydraulicdirectional control valve link to each other, two outlets of described reversal valve 2 are respectively by pipeline and horizontal first of the double piston-rod hydraulic cylinder on the described frame that is installed in, two hydraulic cylinder 5-1,5-2 links to each other, described reversal valve 2 also is provided with the bleed off pipe of a controlled pressure, described bleed off pipe links to each other with described fuel tank 3 by the oil return pipeline, the piston rod of described hydraulic cylinder respectively by the first lift heavy band 4 be installed in first on the described frame 10 respectively, two doffer reel 11-1,11-2 links to each other, the second lift heavy band 12 and its diameter are housed greater than described first on it respectively, two doffer reel 11-1, first of 11-2 diameter, two swift reel 13-1,13-2 is respectively with described first, two doffer reel 11-1,11-2 is coaxial to be installed on the described frame 10, described first, two swift reel 13-1, be separately installed with first on the frame 10 of the outer upside of 13-2, two head sheave 14-1,14-2, the described second lift heavy band 12 are respectively by described first, two head sheave 14-1,14-2 and described sucker rod 7, ballast box 9 links to each other.
Operating principle of the present invention is:
Open the electric control gear starter motor of this long stroke hydraulic pumping unit, motor-driven hydraulic pumps 1 delivery hydraulic pressure power, power fluid drives a piston rod and moves upward, another piston rod moves downward, when piston arrives is spacing, the hydraulicdirectional control valve commutation, piston rod commutation operation, because piston rod is connected with the first lift heavy band 4, the first lift heavy band links to each other with the doffer reel, swift reel and the coaxial installation of described doffer reel, lift heavy band on the swift reel is connected with ballast box with sucker rod respectively, so sucker rod is realized too, following reciprocating motion oil pumping operation.
Piston rod power in the fluid power system, be that driving liquid by motor-driven hydraulic pump drive provides, because system pipeline is connected to hydraulicdirectional control valve, motor moves continuously, needn't do rotating, the just upper and lower reciprocal operation of energy left and right sides piston rod, through the upper and lower reciprocal operation of lift heavy band pulling sucker rod, realize energy-conservation automatic control, also can not impact, also economize on electricity more electrical network.Owing to substituted reducer and crank with hydraulic cylinder, transmission progression is reduced, in the power transmission process, there is not the work done of angle power, just do not have the component work done, thereby improved transmission efficiency.
Claims (5)
1. long stroke hydraulic pumping unit, it comprises frame, sucker rod, the ballast box of counterweight is housed in it, it is characterized in that: it also comprises fuel tank, the hydraulic pump that inlet links to each other with described fuel tank, an inlet of a described hydraulic pressure delivery side of pump and a hydraulicdirectional control valve links to each other, two outlets of described reversal valve are respectively by pipeline and vertically be installed in first on the described frame, two hydraulic cylinders link to each other, described reversal valve also is provided with the bleed off pipe of a controlled pressure, described bleed off pipe links to each other with described fuel tank by the oil return pipeline, described first, two cylinder lower are connected by the topping up pipeline that stop valve is housed on it, the piston rod of described hydraulic cylinder respectively by the first lift heavy band be installed in first on the described frame respectively, two doffer reels link to each other, that the second lift heavy band is housed on it and its diameter is greater than described first, first of two doffer reel diameters, two swift reels are respectively with described first, two doffer reels are coaxial to be installed on the described frame described sucker rod, ballast box is connected on the described second lift heavy band.
2. long stroke hydraulic pumping unit according to claim 1, it is characterized in that: it comprises first and second head sheave that is installed on the outer side frame of described first and second swift reel, and the described second lift heavy band links to each other with described sucker rod, ballast box by described first and second head sheave respectively.
3. according to long stroke hydraulic pumping unit according to claim 1, it is characterized in that: on described gantry base, have and land the hole with corresponding section, described ballast box position.
4. long stroke hydraulic pumping unit, it comprises frame, sucker rod, the ballast box of counterweight is housed in it, it is characterized in that: it also comprises fuel tank, the hydraulic pump that inlet links to each other with described fuel tank, an inlet of a described hydraulic pressure delivery side of pump and a hydraulicdirectional control valve links to each other, two outlets of described reversal valve are respectively by pipeline and horizontal first of the double piston-rod hydraulic cylinder on the described frame that is installed in, two hydraulic cylinders link to each other, described reversal valve also is provided with the bleed off pipe of a controlled pressure, described bleed off pipe links to each other with described fuel tank by the oil return pipeline, the piston rod of described hydraulic cylinder respectively by the first lift heavy band be installed in first on the described frame respectively, two doffer reels link to each other, be equipped with respectively on it second lift heavy band and its diameter greater than described first, first of two doffer reel diameters, two swift reels are respectively with described first, two doffer reels are coaxial to be installed on the described frame, described first, be equipped with first on the frame of the outer upside of two swift reels, two head sheaves, the described second lift heavy band are respectively by described first, two head sheaves and described sucker rod, ballast box links to each other.
5. according to long stroke hydraulic pumping unit according to claim 4, it is characterized in that: on described gantry base, have and land the hole with corresponding section, described ballast box position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100537980A CN101307685A (en) | 2008-07-09 | 2008-07-09 | Long stroke hydraulic pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100537980A CN101307685A (en) | 2008-07-09 | 2008-07-09 | Long stroke hydraulic pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN101307685A true CN101307685A (en) | 2008-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100537980A Pending CN101307685A (en) | 2008-07-09 | 2008-07-09 | Long stroke hydraulic pumping unit |
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| CN (1) | CN101307685A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108847A (en) * | 2011-01-17 | 2011-06-29 | 濮阳市威克瑞石油机械制造有限公司 | Dual well balance type hydraulic pumping unit and working method thereof |
| CN102235159A (en) * | 2010-04-28 | 2011-11-09 | 陈万仁 | Hydraulic energy-saving multi-well pumping unit |
| CN104641071A (en) * | 2012-03-13 | 2015-05-20 | 瑟瑞恩派特石油代理服务有限公司 | Hydraulic mechanical pumping unit with rocking effect |
| CN104989686A (en) * | 2015-07-08 | 2015-10-21 | 合肥工业大学 | Hydraulic unit achieving mutual potential energy utilization in pairing manner and driving manner thereof |
-
2008
- 2008-07-09 CN CNA2008100537980A patent/CN101307685A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235159A (en) * | 2010-04-28 | 2011-11-09 | 陈万仁 | Hydraulic energy-saving multi-well pumping unit |
| CN102108847A (en) * | 2011-01-17 | 2011-06-29 | 濮阳市威克瑞石油机械制造有限公司 | Dual well balance type hydraulic pumping unit and working method thereof |
| CN104641071A (en) * | 2012-03-13 | 2015-05-20 | 瑟瑞恩派特石油代理服务有限公司 | Hydraulic mechanical pumping unit with rocking effect |
| CN104989686A (en) * | 2015-07-08 | 2015-10-21 | 合肥工业大学 | Hydraulic unit achieving mutual potential energy utilization in pairing manner and driving manner thereof |
| CN106321535A (en) * | 2015-07-08 | 2017-01-11 | 合肥工业大学 | Hydraulic unit for mutually using potential energy in pairwise mode |
| CN106321535B (en) * | 2015-07-08 | 2017-11-07 | 合肥工业大学 | The hydraulic pressure unit that potential energy is mutually utilized is realized to form with group |
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Open date: 20081119 |