An Oval Gear Flowmeter Auxiliary Starting System
A technology of oval gear and starting system, which is applied in volume measurement, liquid/fluid solid measurement, measuring devices, etc., and can solve problems such as not enough to drive the flowmeter rotor to work stably
Active Publication Date: 2021-09-10
WUHAN UNIV OF TECH
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- Application Information
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Problems solved by technology
[0005] In view of this, it is necessary to provide an oval gear flowmeter auxiliary starting system to solve the technical problem that the flow rate of the working medium alone is not enough to promote the stable operation of the flowmeter rotor
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[0025] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and together with the embodiments of the present invention are used to explain the principle of the present invention and are not intended to limit the scope of the present invention.
[0026] An embodiment of the present invention provides an auxiliary starting system for an oval gear flowmeter, which includes a rotational speed measuring instrument, an oval gear flowmeter, a controller, and a fuel injection pump device. The oval gear flowmeter includes a driving gear and a driven gear, and the rotational speed The measuring instrument, the controller and the fuel injection pump device are connected in sequence. The rotational speed measuring instrument is used to obtain the real-time rotational speed value of the driving gear, and send an instruction to adjust the current of...
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The invention relates to an oval gear flowmeter auxiliary starting system, which includes a rotational speed measuring instrument, an oval gear flowmeter, a controller and a fuel injection pump device, the oval gear flowmeter includes a driving gear and a driven gear, and the rotational speed measuring instrument , the controller and the fuel injection pump device are connected in sequence, and the rotational speed measuring instrument is used to obtain the real-time rotational speed value of the driving gear, and send an instruction to the controller to adjust the current of the fuel injection pump device according to the real-time rotational speed value, and the controller according to the Describe the command for adjusting the current of the fuel injection pump device, adjust the current in the fuel injection pump device, and then adjust the flow rate of lubricating oil injected from the fuel injection pump device, and the lubricating oil flows to each tooth slot of the driving gear and the driven gear. The auxiliary start-up system of the oval gear flowmeter in the present invention enables the rotor of the flowmeter to have sufficient thrust to drive the flowmeter rotor to work stably under the action of the flow rate of the working medium.
Description
technical field [0001] The invention relates to the technical field of gear flowmeters, in particular to an auxiliary starting system for oval gear flowmeters. Background technique [0002] Gear flowmeter is a kind of positive displacement flowmeter, which is used for precise continuous or intermittent measurement of liquid flow or instantaneous flow in pipelines. It is especially suitable for flow measurement of heavy oil, polyvinyl alcohol, resin and other media with high viscosity. [0003] As far as the current situation is concerned, most of the existing oval gear oval gear flowmeters have the problem of difficulty in resuming work. When the oval gear oval gear flowmeter stops working for a period of time and restarts, it will usually be blocked by residues due to impurities in the fuel. , Bearing wear or other reasons lead to the inability to quickly form an oil film on the contact surface of the gear, resulting in large frictional resistance, which makes it difficult ...
Claims
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IPC IPC(8): G01F11/28G01F11/00G01F15/00
CPCG01F11/006G01F11/28G01F15/005G01F15/008
Inventor 尹奇志赵世博乔磊范爱龙
Owner WUHAN UNIV OF TECH