CN207363648U - A kind of Pneumatic beam pumping unit - Google Patents
A kind of Pneumatic beam pumping unit Download PDFInfo
- Publication number
- CN207363648U CN207363648U CN201721359706.2U CN201721359706U CN207363648U CN 207363648 U CN207363648 U CN 207363648U CN 201721359706 U CN201721359706 U CN 201721359706U CN 207363648 U CN207363648 U CN 207363648U
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- CN
- China
- Prior art keywords
- walking beam
- ejector pin
- cylinder
- rack
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is a kind of Pneumatic beam pumping unit, including base, rack, horse head, walking beam, clump weight, rack is on base, for walking beam in rack, horse head, walking beam are connected with cylinder in walking beam two, walking beam respectively, cylinder piston rod termination is connected on the walking beam between clump weight and rack articulated shaft, and cylinder bottom is fixed on base；Directional control valve connecting gas transmission pipe line is passed through in the air inlet of cylinder, gas outlet, gas transmission line is connected with source of the gas, gas transmission line also separates a branch in addition to directional control valve is connected and is connected into ejector pin valve, and ejector pin valve connects directional control valve by pipeline, and limiting device is equipped with what ejector pin valve coordinated.The beneficial effects of the utility model are：Using pneumatic form, little power consumption, saves cost.
Description
Technical field
The present utility model is related to oil and gas exploitation field, and specifically one kind can be used for exploiting oil day
The Pneumatic beam pumping unit of right gas.
Background technology
Pumping unit generally use common beam type now, by motor, retarder, toggle, walking beam, horse head, height
Base forms.The traditional mode power consumption is big, and oil pumping is of high cost, although stablizing, energy saving still has much room for improvement.
Utility model content
The purpose of this utility model is to propose a kind of pneumatic beam type oil pumping saved energy consumption, improve oil recovery economic benefit
Machine.
The technical solution of the utility model is：A kind of Pneumatic beam pumping unit, including base, rack, horse head, walking beam,
Clump weight, rack is on base, and walking beam is in rack, and respectively at walking beam two, walking beam is connected with cylinder, cylinder for horse head, walking beam
Piston rod end is connected on the walking beam between clump weight and rack articulated shaft, and cylinder bottom is fixed on base；Cylinder into
Directional control valve connecting gas transmission pipe line is passed through in gas port, gas outlet, and gas transmission line is connected with source of the gas, and gas transmission line is except connection orientation control
A branch is also separated outside valve processed and is connected into ejector pin valve, ejector pin valve connects directional control valve by pipeline, is equipped with what ejector pin valve coordinated
Limiting device.
The beneficial effects of the utility model are：Using pneumatic form, little power consumption, saves cost.
Brief description of the drawings
Fig. 1 is Pneumatic beam pumping unit schematic diagram；
In figure：1st, horse head；2nd, walking beam；3rd, ejector pin valve；4th, limiting device；5th, directional control valve；6th, clump weight；7th, cylinder；
8th, gas transmission line；9th, rack；10th, base；11st, strut；12nd, element is stopped.
Embodiment
As shown in Figure 1, a kind of Pneumatic beam pumping unit, it includes：Cylinder 7 that walking beam 2 is connected with walking beam, valve dress
Put and its corresponding pipeline 8, horse head 1, rack 9, base 10, clump weight 6.Rack on base, walking beam in rack, horse head,
For walking beam respectively at walking beam two, walking beam is connected with cylinder, and cylinder piston rod termination is connected between clump weight and rack articulated shaft
Walking beam on, cylinder bottom is fixed on base；Directional control valve connecting gas transmission pipe line is passed through in the air inlet of cylinder, gas outlet,
Gas transmission line is connected with source of the gas, and gas transmission line also separates a branch in addition to directional control valve is connected and is connected into ejector pin valve, and ejector pin valve leads to
Pipeline connection directional control valve is crossed, limiting device is equipped with what ejector pin valve coordinated.Have on gas transmission line the casing head that matches with
And the valve of corresponding controlling switch.
Pneumatic actuator refers to be made of the limiting device of directional control valve 5 and control walking beam stroke range.Oriented control
Valve 5 passes through air inlet, the reciprocating motion of selection control 7 piston rod of cylinder of outlet.Limiting device limits the row needed for walking beam position
Journey scope, is mainly made of strut and stopping element.Stop element being bolted on strut.Ejector pin valve is equipped with can be past
Two valve components that can be moved and move downward upwards moved again.Strut is fixed on walking beam close to the place of ejector pin valve,
To facilitate stopping element being contacted with valve components that are upward, moving downward, to prevent valve components from moving out-of-bounds.Work as strut
When being moved up with walking beam, stopping element and ejector pin valve lower body element positioned at strut lower part touch conjunction, and ejector pin valve is moved to
Another valve port position, pressed gas enter directional control valve, then oriented control valve by conveyance conduit below thimble valve body
Top conveyance conduit enters cylinder top, promotes piston to move downward, walking beam moves upwards.When downwards similarly.Therefore, can pass through
Amplitude of oscillation positioning stops position of components to walking beam up and down, so that pumping unit has the upper limit and lower limit, and convenient adjustment.
Gas enters directional control valve 5 through gas pipeline, and steam-cylinder piston is controlled by 5 selector channel of directional control valve
Pump, so as to drive walking beam to pump.Directional control valve has two infusion pressure lines, a pressure line
The cylinder wall at steam-cylinder piston both ends is connected to, another pressure line is connected with the gas pipeline of ejector pin valve.Gas pipeline another way
Gas can enter ejector pin valve 3, coordinate limiting device to control the stroke model of walking beam 2 by pumping for ejector pin valve 3
Enclose.When walking beam 2 reaches the end of upward power stroke, piston is compressed to cylinder foot, when the rear end of walking beam 2 reaches it
During designed uppermost position, the power of a downward stroke is given.
The control of pumping unit length of stroke is set by a walking beam, ejector pin valve, directional control valve and limiting device
Put, which has the function that stroke is adjustable, prevent valve components movement out-of-bounds, mediate.
The balance of walking beam is by being realized in the horse head of the end of opposite side, and back balance is heavy and logical by conventional balanced
The cylinder that walking beam movement produces is crossed to drive and using by realizing in down stroke compressed-air-storing energy.Balance weight passes through pumping
Elevated height stores energy during the movement of oily cycle down stroke, and the energy of this storage is used in and helps piston and liquid
In the lifting of oil pumping movement upstroke, carry out influence of the balancing gravity to piston and liquid.
The utility model can utilize air compressor plant to provide source of the gas for a collection of same type oil pumping unit.
Claims (2)
1. a kind of Pneumatic beam pumping unit, including base（10）, rack（9）, horse head（1）, walking beam（2）, clump weight（6）, machine
Frame（9）In base（10）On, walking beam（2）In rack（9）On, horse head（1）, walking beam（2）Respectively in walking beam（2）Two, its feature
It is：Walking beam（2）It is connected with cylinder（7）, cylinder（7）Piston rod end is connected to clump weight（6）With rack（9）Between articulated shaft
Walking beam（2）On, cylinder（7）Bottom is fixed on base（10）On；Cylinder（7）Air inlet, gas outlet pass through directional control valve（5）
Connecting gas transmission pipe line（8）, gas transmission line（8）Connected with source of the gas, gas transmission line（8）Except connection directional control valve（5）Also separate outside
One branch is connected into ejector pin valve（3）, ejector pin valve（3）Directional control valve is connected by pipeline（5）, with ejector pin valve（3）What is coordinated is equipped with
Limiting device（4）.
2. a kind of Pneumatic beam pumping unit according to claim 1, it is characterized in that：The limiting device（4）Mainly by
Strut and stopping element being formed, and strut is close to ejector pin valve（3）Set, stop element in ejector pin valve（3）Upper and lower respectively sets one
It is a, limiting device（4）Stop element when moving up and down and touch ejector pin valve（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359706.2U CN207363648U (en) | 2017-10-20 | 2017-10-20 | A kind of Pneumatic beam pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721359706.2U CN207363648U (en) | 2017-10-20 | 2017-10-20 | A kind of Pneumatic beam pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207363648U true CN207363648U (en) | 2018-05-15 |
Family
ID=62419889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721359706.2U Active CN207363648U (en) | 2017-10-20 | 2017-10-20 | A kind of Pneumatic beam pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207363648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184622A (en) * | 2018-10-31 | 2019-01-11 | 广州榕创新能源科技有限公司 | A kind of beam pumping unit of petroleum drilling and mining plural equilibrium |
-
2017
- 2017-10-20 CN CN201721359706.2U patent/CN207363648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184622A (en) * | 2018-10-31 | 2019-01-11 | 广州榕创新能源科技有限公司 | A kind of beam pumping unit of petroleum drilling and mining plural equilibrium |
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