CN2175838Y - Inertial energy-saving power unit - Google Patents

Abstract

The utility model belongs to the field of the mechanical technology of the production of petroleum oil, which is characterized in that a component is additionally arranged between an engine and an output belt pulley, the component has a flywheel and a centrifugal clutch, and the component can turn with the engine synchronously or with self differential action. In the time of one energy cycle of a working machine, if the effective resistance moment is unbalance, the utility model can automatically gorge and disgorge energy by utilizing inertia and balance output, and causes the power of the provided and selected engine does not need to be larger than peak load but a little larger than the average consumption power in the energy cycle period of the working machine, and thereby, energy saving is realized.

Description

Inertial energy-saving power unit

The utility model belongs to petroleum recovering machinery technical field.

On the used beam pumping unit in oil field, the available dynamic device is meant a parts integral body of being made up of electric control box, support, motor and output belt pulley etc.Yet the motor of existing power plant is finished a work capacity in cycle time, and the effective resistance moment of its required driving is unbalanced.Start and proper functioning in order to make it normal, the artificer often has to select motor for use by the maximum resistance square that occurs in the work cycle, consequently " low load with strong power ", the serious waste energy.With beam pumping unit CYJ10-3-53HB is example, and when per minute suction 6 times, suspending point loading 100kN, suction fluid column quality 5000kg, stroke 3m, by the theoretical power that only needs 14.7kw that calculates, in fact the supporting minimum motor of this machine but is 45kw.For addressing this problem, the one, adopt electronically controlled energy-saving electric case, the variation of pressing effective resistance moment is adjusted power supply voltage and phase place, in real time with energy saving; Another kind is to substitute with new architecture, is 87205435.7 invention as the patent No..The former, cause is an electronic equipment, not directly perceived, operator are required to have higher technical merit, and for overcoming the hump drag square in the pumping unit work, still also to select jumbo or special motor for use, its motor integrated operation efficient is still not high, and What is more, because the device element exquisiteness is valuable, often steal again and again, can't normally use for the lawless person.The latter, the special-shaped beam pumping unit that the patent No. 87205435.7 is described, though obtained obvious energy-saving effect, (with the CYJ10 type is example but the complete machine weightening finish is very big, new machine is 1.26 times of old machine weight, net gain 5t), and this patent can not directly simply transform the conventional beam-pumping unit that has now widely applied in the oil field, and having only the previous model integral replacing is that novel machine could be realized energy-conservation; In addition, in each energy circulation, still there is unbalanced resisting moment in this novel machine, and like this, it still is uneconomic implementing this patent on the overall situation.

Task of the present utility model provides a kind of energy saving device that is used for the oil field beam pumping unit, it is made up of some simple components of machine, can utilize the unbalanced power consumption of inertial energy-accumulating autobalance pumping unit in a work cycle, thereby can directly use the big motor or the little new pumping unit of design power consumption that replace old pumping unit than the motor of small capacity, realize energy-conservation.

For solving above-mentioned task, the solution that the utility model adopts is: between the motor and output belt pulley of the existing power plant of pumping unit, add parts, these parts are made up of flywheel, axle, bearing, centrifugal clutch and some location fastening piece, the flywheel that is bearing on the bearing by axle links with the output belt pulley, and links with motor again by centrifugal clutch.

The utility model is described in further detail below in conjunction with drawings and Examples:

Fig. 1 is first an embodiment's of the present utility model mechanism principle figure;

Fig. 2 is second an embodiment's of the present utility model mechanism principle figure;

Fig. 3 is the 3rd an embodiment's of the present utility model mechanism principle figure;

Fig. 4 is the 4th an embodiment's of the present utility model plan view;

Fig. 5 is the left view of A-A part section among Fig. 4.

In Fig. 1,2,3, by flywheel 1, axle 2, bearing 3, the parts that centrifugal clutch 4 is formed are installed on the support 6, and its right-hand member and motor 5 link, and left end and power-take-off pulley 7 link.

In Fig. 4, by flywheel 1(also is the output terminal shell of centrifugal clutch simultaneously), axle 2(also is the input end spider of centrifugal clutch simultaneously), bearing 3, and by them and centrifugal friction element--the parts that centrifugal clutch that steel ball 4 synthesizes is formed, its end and motor 5 link, the other end with output belt pulley 7 link, and as an integral installation on support 6.

In Fig. 5,2 ' of projection is blade on axle (spider) 2, and it is evenly distributed on the excircle of axle, and steel ball 4 is segmented in some cells equably along circumference.

The utility model is because centrifugal clutch has the characteristics of No Load Start, engine very easily starts, after engine reaches certain rotating speed, when the moment of friction of clutch equals the moment of resistance of load, flywheel also is activated, because the engine power of selecting is not less than the mean consumption power of oil pumper, through one period transit time, flywheel is namely along with engine reaches constant speed again. After oil pumper entered normal operation, when the motor driven merit surpassed the working resistance merit, this device just stored this unnecessary energy, made flywheel and engine trend synchronously, accelerated to rotate, and increased moving Energy. On the contrary, when the working resistance merit surpassed the driving merit, Speed of Reaction Wheels reduced (forming slippage with engine), was to drive merit with kinetic transformation, and superposeed with the engine output work, exported at belt pulley, made the driving moment multiplication, realized " owing with rich benefit ". Obviously, as long as the rated power of engine equals or be slightly larger than the mean consumption power of oil pumper, and the Quality Design of flywheel gets when enough big, and oil pumper will be worked down stably so.

The utlity model has following advantage: light and handy (for example, being used for the utility model of aforesaid CYJ10-3-53HB beam-pumping unit, its newly-increased mass deficiency 500kg) simple in structure, intuitive and reliable; Because it has been arranged, engine has the No Load Start characteristic again, makes startup become easy, control easily; To conventional beam-pumping unit, as long as change motor, and install the utility model additional, can reach the same power savings of Hetrotype travelling beam type oil extractor, amount of electricity saving will be not less than 15%, (the utility model model machine, through bench run, to the CYJY14-4.8-73HB oil pumper, fully loaded lower, with the motor of 17kw, still can start smoothly, normal operation, and former supporting motor is 55kw), and greatly improve the operating characteristic of oil pumper integral body; Also have, use no matter the utility model is to software feature or the motor of hardware features, when Speed of Reaction Wheels descends, output torque will automatically increase (for example go up the example, just can increase output torque more than 1 times), and motor is not had very impact, motor integrated operation effect still can keep higher level; But if directly with general common flywheel, to the motor of hardware features, will work this moment, even the damage motor. In addition, when live load overloaded, the utility model can also play the safeguard protection effect to engine.

Claims (2)

1, a kind of inertia energy-saving power device, it is made up of electric control box, support, motor and output belt pulley etc., it is characterized in that: between motor and output belt pulley, add parts, these parts are made up of flywheel, axle, bearing, centrifugal clutch and some location fastening piece, the flywheel that is bearing on the bearing by axle links with the output belt pulley, and links with motor again by centrifugal clutch.

2, inertia energy-saving power device according to claim 1, it is characterized in that: flywheel can be an individual part, it also can be in this device and axle, or and centrifugal clutch, or with other rotating component one such as belt pulleys, axle with extensional of enough rotary inertias, or centrifugal clutch, or belt pulley etc.

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