CN209510291U - A kind of pumping unit - Google Patents
A kind of pumping unit Download PDFInfo
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- CN209510291U CN209510291U CN201822037748.5U CN201822037748U CN209510291U CN 209510291 U CN209510291 U CN 209510291U CN 201822037748 U CN201822037748 U CN 201822037748U CN 209510291 U CN209510291 U CN 209510291U
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- pumping unit
- hydraulic cylinder
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- bracket
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Abstract
The utility model relates to technical field of oil extraction equipment, more particularly, to a kind of pumping unit, and in particular to a kind of simple and direct energy-saving type hydaulic oil pump.The hydraulic cylinder of the pumping unit is arranged on the bracket downward in cylinder rod, the cylinder rod of the hydraulic cylinder is connected to cross-arm, the upper end of the cross-arm is used for connecting steel wire ropes, the wirerope is connected around the pulley blocks of the cradle top with the ballast box, and the lower end of the cross-arm is for connecting hair plait, polished rod eye, rod string and oil pump plunger piston；The hydraulic control system is by controlling the hydraulic cylinder to realize the continuous pumping operation for controlling the pumping unit.The pumping unit has the advantages that simple structure, energy conservation, stroke and jig frequency are easy to adjust.
Description
Technical field
The utility model relates to technical field of oil extraction equipment, more particularly, to a kind of pumping unit, and in particular to a kind of simple and direct
Energy-saving type hydaulic oil pump.
Background technique
Pumping unit is a kind of main mechanical of oilfield exploitation.Rod pumping system is mainly adopting for oil extraction in oil field application
Oil system, system are mainly made of pumping unit, sucker rod, oil well pump, oil pipe etc..Currently, the oil pumping machine that oil extraction in oil field uses
There are many class, can be divided into beam pumping unit and without beam pumping unit.Wherein, beam pumping unit is by crank, joining beam, trip
The linear reciprocating motion that the rotary motion of motor is transformed into sucker rod and oil pump plunger piston is realized oil pumping by beam, horse head.Wherein,
The rotary motion of motor is transformed into linear reciprocating motion by transmission mechanism, reversing mechanism and drives pumping by no beam pumping unit
Oil pump oil pumping.Blue elephant has the modes such as mechanical mechanism commutation, motor forward/backward rotation commutation, hydraulic system commutation.
But existing pumping unit has the disadvantage that
1), motor of beam-pumping unit installed power is big, load variation is big, low efficiency；Structure size is big, occupied area
Greatly；Realize that long stroke difficulty is big；Stroke adjusts inconvenient；Driving belt, rope service-life are short；Noise is big.
2), structure is complicated without beam pumping unit for mechanical commutation；It is short to be driven tape lifetime；Noise is big.
3), motor commutation is high without beam pumping unit cost.
4), without beam pumping unit, structure is complicated for hydraulic commutation；Low efficiency.
The information disclosed in the background technology section is intended only to deepen the understanding to the general background technology of the application, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of pumping units, to solve the technical problems existing in the prior art.
To achieve the goals above, the utility model uses following technical scheme:
The utility model provides a kind of pumping unit comprising:
Bracket；
Hydraulic cylinder, the hydraulic cylinder are arranged on the bracket downward in cylinder rod, and the cylinder rod of the hydraulic cylinder is connected to cross
Load, the upper end of the cross-arm are used for connecting steel wire ropes, pulley blocks and the counterweight of the wirerope around the cradle top
Case is connected, and the lower end of the cross-arm is for connecting hair plait, polished rod eye, rod string and oil pump plunger piston；
Hydraulic control system, the hydraulic control system realize the control pumping unit by controlling the hydraulic cylinder
Continuous pumping operation.
As a kind of further technical solution, bracket structure is provided on the bracket；The hydraulic cylinder is set to institute
It states in bracket structure, and the cylinder rod of the hydraulic cylinder is set downward.
As a kind of further technical solution, righting cartridge structure is provided on the bracket；The hydraulic cylinder clamps
In on the righting cartridge structure, so that the hydraulic cylinder is kept fixed state.
As a kind of further technical solution, the cross-arm has four groups of lifting lugs, and three groups of lifting lugs therein are set to institute
The top of cross-arm is stated, one group of lifting lug is set to the lower part of the cross-arm.
As a kind of further technical solution, one group of the centre of three groups of lifting lugs on the cross-arm top and the hydraulic cylinder
Cylinder rod connection, be in addition separately connected the wirerope for symmetrical two groups；One group of lifting lug of the cross-arm lower part by idler wheel with
The hair plait connection.
As a kind of further technical solution, by pulley bracket setting, there are two pulleys at the top of the bracket.
As a kind of further technical solution, the hydraulic control system is continuous by setup program according to sensor signal
Control pumping unit commutation；
The hydraulic control system, the liquid are sent a signal to when sensor detects that the polished rod eye moves to lower dead center
The electric hydraulic pump and accumulator of pressure control system drive the piston driving of the hydraulic cylinder to the hydraulic oil supply cylinder simultaneously
Cylinder rod uplink, the cylinder rod drive cross-arm, hair plait, polished rod eye, rod string and oil pump plunger piston uplink；Meanwhile described matching
Loaded van pulls cross-arm, hair plait, polished rod eye, rod string and oil well pump by wirerope with the gravity force assisted hydraulic cylinder of ballast box
Plunger uplink；
The hydraulic control system, the liquid are sent a signal to when sensor detects that the polished rod eye moves to top dead centre
The electric hydraulic pump of pressure control system is only to accumulator fuel feeding, the hydraulic cylinder pressure relief oil return to fuel tank, the work of the hydraulic cylinder
Plug and cylinder rod pass through cross-arm, hair plait, polished rod eye downlink under the gravity of rod string and oil pump plunger piston；Meanwhile institute
Ballast box is stated through wirerope, cross-arm, hair plait, polished rod eye under rod string and oil pump plunger piston gravity, from minimum
Point, which rises, increases the extra energy storage potential energy of potential energy absorption pumping unit roofbolt downlink.
As a kind of further technical solution, the ballast box falling-rising and makes described with the lifting of the rod string
Rod string is in tension state always.
By adopting the above technical scheme, the utility model has the following beneficial effects:
Pumping unit provided by the utility model has simple structure, energy conservation, stroke and jig frequency tune by HYDRAULIC CONTROL SYSTEM
Save convenient advantage.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of pumping unit provided by the embodiment of the utility model；
Fig. 2 is the side view of pumping unit provided by the embodiment of the utility model；
Fig. 3 is the main view of cross-arm provided by the embodiment of the utility model；
Fig. 4 is the side view of cross-arm provided by the embodiment of the utility model；
Fig. 5 is the top view of cross-arm provided by the embodiment of the utility model；
Fig. 6 is the main view of bracket structure provided by the embodiment of the utility model；
Fig. 7 is the side view of bracket structure provided by the embodiment of the utility model；
Fig. 8 is the top view of bracket structure provided by the embodiment of the utility model；
Fig. 9 is the top view of righting cartridge structure provided by the embodiment of the utility model；
Figure 10 is the top view of righting cartridge structure provided by the embodiment of the utility model；
Figure 11 is the top view of righting cartridge structure provided by the embodiment of the utility model.
Icon: 1- hydraulic cylinder；2- bracket；3- hydraulic control system；4- ballast box；5- wirerope；6- pulley blocks；7- is horizontal
Load；8- maos of plaits；9- polished rod eye；10- bracket structure；11- righting cartridge structure.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on can understanding as the case may be
State the concrete meaning of term in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In conjunction with shown in Fig. 1 to Figure 11, the present embodiment provides a kind of pumping unit, bracket 2, hydraulic cylinder 1, hydraulic is specifically included that
Control system 3, cross-arm 7, wirerope 5, pulley blocks 6, ballast box 4, hair plait 8, polished rod eye 9 etc.；The hydraulic cylinder 1 is in cylinder rod court
Under be set on bracket 2, the cylinder rod of hydraulic cylinder 1 is connected to cross-arm 7, and the upper end of cross-arm 7 is used for connecting steel wire ropes 5, wirerope 5 around
The pulley blocks 6 for crossing 2 top of bracket are connected with ballast box 4, and the lower end of cross-arm 7 is for connecting hair plait 8, polished rod eye 9, rod string
And oil pump plunger piston；Hydraulic control system 3 realizes the continuous pumping operation of control pumping unit by control hydraulic cylinder 1.The pumping
Oil machine structure is simple, energy conservation, stroke and jig frequency it is easy to adjust.
It is as described below in order to more clearly describe the working principle of pumping unit:
Pumping unit whole system installs, at this point, the cylinder rod of hydraulic cylinder 1 extend out to minimum point, rod string is minimum
Point；Ballast box 4 is at the highest notch under rod string gravity.Start electric hydraulic pump, electric hydraulic pump is first to energy storage
Device fuel feeding simultaneously makes system reach rated pressure；Start pumping unit work, electric hydraulic pump and accumulator are simultaneously to 1 fuel feeding of hydraulic cylinder
1 piston driving cylinder rod uplink of hydraulic cylinder is driven, cylinder rod drives cross-arm 7, hair plait 8, polished rod eye 9, rod string and oil pumping pump plunger shaft
It goes beyond the Great Wall；Meanwhile ballast box 4 pulls cross-arm 7, hair plait 8, outstanding by wirerope 5 with the gravity force assisted hydraulic cylinder 1 of ballast box 4
Rope device 9, rod string and oil pump plunger piston uplink；Ballast box 4 is reduced to lowest order release potential energy acting by highest order.
Control system control pumping unit is sent a signal to when sensor perceives beam hanger for pumping machine 9 to top dead centre to change
To at this point, electric hydraulic pump is only to accumulator fuel feeding, 1 pressure release of hydraulic cylinder, the oil in hydraulic cylinder 1 returns to fuel tank, hydraulic cylinder 1
Piston and cylinder rod pass through cross-arm 7, hair plait 8, the downlink under the gravity of rod string and oil pump plunger piston of polished rod eye 9；Together
When, ballast box 4 passes through wirerope 5, cross-arm 7, hair plait 8, polished rod eye 9 under rod string and oil pump plunger piston gravity,
Rise from minimum point and increases the extra energy storage potential energy of potential energy absorption pumping unit roofbolt downlink.
Control system control pumping unit is sent a signal to when sensor perceives beam hanger for pumping machine 9 to lower dead center to change
To electric hydraulic pump and accumulator drive 1 piston driving cylinder rod uplink of hydraulic cylinder to 1 fuel feeding of hydraulic cylinder simultaneously, and cylinder rod drives horizontal
Load 7, hair plait 8, polished rod eye 9, rod string and oil pump plunger piston uplink；Meanwhile ballast box 4 passes through wirerope 5 with ballast box 4
Gravity force assisted hydraulic cylinder 1 pull cross-arm 7, hair plait 8, polished rod eye 9, rod string and oil pump plunger piston uplink；Ballast box 4 by
Highest order is reduced to lowest order release potential energy acting.
As it can be seen that hydraulic control system 3 is according to sensor signal, the commutation of continuous control pumping unit be can be realized by setup program
The continuous pumping operation of pumping unit.During pumping unit continuous work, electric hydraulic pump continuous work, load changes small；Electronic liquid
The output power of press pump can be adjusted according to pump load size；By the signal for changing pumping unit position signal sensor
The stop up and down of changeable pumping unit stroke size and stroke；By changing the liquid supply rate of hydraulic system and the weight of ballast box 4
Or the jig frequency of pumping unit is adjusted in the open degree of meter out valve.
Certainly, the concrete composition of hydraulic control system 3 is not limited to, it can flexible setting according to actual needs.Citing
Illustrate: hydraulic control system 3 includes: electric hydraulic pump, fuel tank, accumulator, control valve member, sensor, oil circuit, circuit, automatically controlled
Case and hydraulic station cabinet processed etc.；Electric control box can be connected by circuit with electric hydraulic pump, electric control box can also with control valve member,
The connection of the signals such as sensor, hydraulic station cabinet are connect by oil circuit with electric hydraulic pump.In addition, hydraulic control system 3 is mounted on
2 side suitable position of Framework of Pumping Unit controls pumping unit work.
In conjunction with shown in Fig. 6 to Fig. 8, in the present embodiment, it is preferred that be provided with bracket structure 10 on the bracket 2；Hydraulic cylinder 1
It is set in bracket structure 10, and the cylinder rod of hydraulic cylinder 1 is set downward.Specifically, the bracket structure 10 includes: bracket
Frame；The top of the bracket frame is provided with the installation position of hydraulic cylinder 1, and the main body of the installation position is round casing structure, in installation position
Side is provided with longitudinal opening slot, and the cylinder rod to guarantee hydraulic cylinder 1 is easy for installation.The bracket frame can be using similar tripod
Bearing structure, naturally it is also possible to be the bearing structure of other shapes.
In conjunction with shown in Fig. 9 to Figure 11, in the present embodiment, it is preferred that be provided with righting cartridge structure 11 on the bracket 2；Liquid
Cylinder pressure 1 is installed on righting cartridge structure 11, so that hydraulic cylinder 1 is kept fixed state.The righting cartridge structure 11 includes first
Connector and the second connector；First connector has the first arc-shaped clamping portion, and the second connector has arc-shaped
The second clamping portion；First clamping portion and the second clamping portion are mutually fastened to form the space of clamping hydraulic cylinder 1；Certainly, first
It can be detachably connected by fastener (bolt) between clamping portion and the second clamping portion.The radian of first clamping portion is less than
The radian of two clamping portions.
In conjunction with shown in Fig. 3 to Fig. 5, in the present embodiment, as a kind of further technical solution, cross-arm 7 has four groups and hangs
Ear, three groups of lifting lugs therein are set to the top of cross-arm 7, and one group of lifting lug is set to the lower part of cross-arm 7.Wherein, cross-arm 7 top
One group of the centre of three groups of lifting lugs is connect with the cylinder rod of hydraulic cylinder 1, in addition symmetrical two groups of difference connecting steel wire ropes 5；7 lower part of cross-arm
One group of lifting lug connect with hair plait 8 by idler wheel.
In the present embodiment, it is preferred that by the setting of pulley bracket 2, there are two pulleys at the top of the bracket 2, that is to say, that
Pulley blocks 6 include two pulleys, and corresponding wirerope 5 is also two.
In the present embodiment, ballast box 4 falling-rising and makes rod string be in tension state always with the lifting of rod string,
It in this way can be with effective protection rod string.
To sum up, which is had the advantages that by HYDRAULIC CONTROL SYSTEM
1), Pumping Unit is simple.
2), ballast box falling-rising realization energy conservation with the lifting of rod string.
3), hydraulic cylinder is single-action hydraulic cylinder, and rod string is in tension state always, roofbolt is protected not to be pressurized.
4), pumping unit hydraulic system controls, and stroke, jig frequency are easy to adjust.
5), hydraulic cylinder changing is convenient, fast.
6, ballast box is light, small, and pumping unit is hung oil pumping polish rod and is easy.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (7)
1. a kind of pumping unit characterized by comprising
Bracket；
Hydraulic cylinder, the hydraulic cylinder are arranged on the bracket downward in cylinder rod, and the cylinder rod of the hydraulic cylinder is connected to cross-arm, institute
The upper end of cross-arm is stated for connecting steel wire ropes, the wirerope is connected around the pulley blocks of the cradle top with ballast box, institute
The lower end of cross-arm is stated for connecting hair plait, polished rod eye, rod string and oil pump plunger piston；
Hydraulic control system, the hydraulic control system realize the continuous of the control pumping unit by controlling the hydraulic cylinder
Pumping operation.
2. pumping unit according to claim 1, which is characterized in that
Bracket structure is provided on the bracket；
The hydraulic cylinder is set in the bracket structure, and the cylinder rod of the hydraulic cylinder is arranged downward.
3. pumping unit according to claim 1, which is characterized in that
Righting cartridge structure is provided on the bracket；
The hydraulic cylinder is installed on the righting cartridge structure, so that the hydraulic cylinder is kept fixed state.
4. pumping unit according to claim 1, which is characterized in that
The cross-arm has four groups of lifting lugs, and three groups of lifting lugs therein are set to the top of the cross-arm, and one group of lifting lug is set to institute
State the lower part of cross-arm.
5. pumping unit according to claim 4, which is characterized in that
One group of the centre of three groups of lifting lugs on the cross-arm top is connect with the cylinder rod of the hydraulic cylinder, in addition symmetrical two groups of difference
Connect the wirerope；
One group of lifting lug of the cross-arm lower part is connect by idler wheel with the hair plait.
6. pumping unit according to claim 1, which is characterized in that the top of the bracket is provided with two by pulley bracket
A pulley.
7. pumping unit according to claim 1, which is characterized in that the ballast box is dropped with the lifting of the rod string
It rises and the rod string is made to be in tension state always.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822037748.5U CN209510291U (en) | 2018-12-06 | 2018-12-06 | A kind of pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822037748.5U CN209510291U (en) | 2018-12-06 | 2018-12-06 | A kind of pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209510291U true CN209510291U (en) | 2019-10-18 |
Family
ID=68194137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822037748.5U Active CN209510291U (en) | 2018-12-06 | 2018-12-06 | A kind of pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209510291U (en) |
-
2018
- 2018-12-06 CN CN201822037748.5U patent/CN209510291U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 257091, No. 221, South Road, an industrial park, Dongying Economic Development Zone, Shandong Patentee after: Shengli new big new materials Co., Ltd Address before: 257091, No. 221, South Road, an industrial park, Dongying Economic Development Zone, Shandong Patentee before: SHENGLI OILFIELD XINDA PIPES TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |