阅读说明：本技术 一种燃油机供油液压自动切换装置 (Oil supply hydraulic automatic switching device of fuel engine ) 是由 周毕华 于 2019-08-09 设计创作，主要内容包括：本发明公开了一种燃油机供油液压自动切换装置,该装置通过液压差实现燃油切换,包括储油桶、恒压供油组件及常压供油组件,所述恒压供油组件包括供油泵、进油管、导油管、压力调节阀、回流管、第一单向阀及排油管,所述常压供油组件包括第二单向阀、进液管和排液管。(The invention discloses a hydraulic automatic switching device for oil supply of an oil-burning machine, which realizes oil-burning switching through hydraulic pressure difference and comprises an oil storage barrel, a constant-pressure oil supply assembly and a normal-pressure oil supply assembly, wherein the constant-pressure oil supply assembly comprises an oil supply pump, an oil inlet pipe, an oil guide pipe, a pressure regulating valve, a return pipe, a first one-way valve and an oil discharge pipe, and the normal-pressure oil supply assembly comprises a second one-way valve, a liquid inlet pipe and a liquid discharge pipe.)

1. The hydraulic automatic switching device for oil supply of the oil-fired machine is characterized in that the device realizes oil-fired switching through hydraulic pressure difference.

2. The hydraulic automatic switching device for oil supply of the oil engine according to claim 1, comprising an oil storage barrel (1), a constant pressure oil supply assembly (2) and a normal pressure oil supply assembly (3).

3. The hydraulic automatic switching device for oil supply of an oil engine according to claim 2, wherein the constant pressure oil supply unit (2) comprises an oil supply pump (4), an oil inlet pipe (5), an oil guide pipe (6), a pressure regulating valve (7), a return pipe (8), a first check valve (9) and an oil discharge pipe (10), and the constant pressure oil supply unit (3) comprises a second check valve (11), an oil inlet pipe (12) and a liquid discharge pipe (13).

4. The oil supply hydraulic automatic switching device of the oil-fired machine according to claim 3, wherein the liquid outlet end of the oil storage barrel (1) is communicated with the liquid inlet end of the oil supply pump (4) through an oil inlet pipe (5), the liquid outlet end of the oil supply pump (4) is communicated with the liquid inlet end of the first check valve (9) through an oil guide pipe (6), the liquid outlet end of the first check valve (9) is externally connected with an oil discharge pipe (10), the liquid inlet end of the oil guide pipe (6) is provided with a pressure regulating valve (7), the liquid outlet end of the pressure regulating valve (7) is communicated with the liquid outlet end of the oil inlet pipe (5) through a return pipe (8), the liquid inlet end of the second check valve (11) is externally connected with an oil inlet pipe (12), the liquid outlet end is externally connected with a liquid discharge pipe (13), and the liquid outlet end of the liquid discharge pipe (13) is communicated with.

5. The hydraulic automatic switching device for oil supply of the oil-fired machine according to claim 4, wherein a drain outlet is formed at the inlet end of the oil inlet pipe (5), a drain valve (14) is arranged at the drain outlet, a first manual valve (15) is arranged at the outlet end of the oil inlet pipe (5), a second manual valve (16) is arranged at the outlet end of the oil guide pipe (6), a third manual valve (17) is arranged at the outlet end of the oil inlet pipe (12), a pressure gauge (18) is arranged outside the oil discharge pipe (10), and a liquid level detector (19) and a plastic pipe liquid level meter (20) are arranged on the outer side wall of the oil storage barrel (1).

Technical Field

The invention relates to the field of oil supply of oil-fired machines, in particular to an automatic oil supply switching device of an oil-fired machine.

Background

The diesel engine is driven by diesel oil, so that the economic cost is high, and the environment is seriously polluted due to more generated waste gas. Worldwide energy shortage is a well known fact and is further exacerbated as a corollary to the progressive reduction in non-renewable and storage quantities of oil. The emulsified diesel oil is a new fuel oil, can not only relieve the shortage of diesel oil in China, but also bring high economic benefit, and has great significance for energy conservation, environmental protection and economic significance when being used. When the diesel engine is used, only single oil supply can be usually adopted, when an oil way is damaged, the use of the diesel engine is influenced, the continuous full-automatic water diesel oil emulsifying machine (patent number: CN 03220321.7) in the prior art can realize the switching supply of emulsified diesel oil and diesel oil, the normal operation of the diesel engine can be ensured while the energy is saved and the environment is protected, but the emulsifying machine adopts a manual valve to realize the switching of the fuel oil, the intelligent degree is low, the operation of equipment is often required to be manually participated in, if the electromagnetic valve is adopted to realize the switching of the fuel oil, the use of the electromagnetic valve is easily influenced by the operation condition of equipment circuits, when the operation of the equipment circuits fails, the switching and the leading-out of the fuel oil are caused to be problematic, the leading-out of the emulsified diesel oil is realized by adopting a self-flowing mode, the leading-out of the emulsified diesel oil with variable quantity can possibly influence the, the existence of the emulsion not only causes the waste of resources and the interference to the subsequent emulsification process, but also causes the corrosion and the damage to the emulsifying machine.

Disclosure of Invention

In order to solve the problems, the invention discloses a hydraulic automatic switching device for oil supply of an oil-burning machine, which can realize the switching of fuel oil (emulsified diesel oil and diesel oil), the normal operation of the diesel engine can be ensured while the energy is saved and the environment is protected, the hydraulic fuel oil switching is realized, the switching between the diesel oil and the emulsified diesel oil is realized through hydraulic pressure difference, the intelligent degree is improved, the manual participation amount is reduced, meanwhile, the inconvenience of fuel oil switching and guiding caused by the operation fault of the equipment circuit is avoided, the constant-pressure fuel supply is realized, the influence on the normal operation of the subsequent parts caused by the non-quantitative guiding of the emulsified diesel oil is avoided, the emulsion in the equipment can be manually discharged after the equipment is used, the method can reduce resource waste, ensure the follow-up emulsification process, avoid the corrosion and damage of the emulsion to the equipment due to long-time detention, and prolong the service life of the equipment.

In order to achieve the above purpose, the invention provides the following technical scheme: a hydraulic automatic switching device for oil supply of an oil burning machine realizes fuel oil switching through hydraulic pressure difference.

The improved oil tank comprises an oil storage barrel, a constant-pressure oil supply assembly and a constant-pressure oil supply assembly.

As an improvement of the invention, the constant-pressure oil supply assembly comprises an oil supply pump, an oil inlet pipe, an oil guide pipe, a pressure regulating valve, a return pipe, a first one-way valve and an oil discharge pipe, and the normal-pressure oil supply assembly comprises a second one-way valve, a liquid inlet pipe and a liquid discharge pipe. The feed liquor pipe is used for diesel oil leading-in, and the fluid-discharge tube is used for diesel oil to derive, and it is leading-in that the oil pipe is used for emulsified diesel oil to advance, and the oil extraction pipe is used for emulsified diesel oil to derive.

as an improvement of the invention, the liquid outlet end of the oil storage barrel is communicated with the liquid inlet end of the oil supply pump through an oil inlet pipe, the liquid outlet end of the oil supply pump is communicated with the liquid inlet end of the first one-way valve through an oil guide pipe, the liquid outlet end of the first one-way valve is externally connected with an oil discharge pipe, the liquid inlet end of the oil guide pipe is provided with a pressure regulating valve, the liquid outlet end of the pressure regulating valve is communicated with the liquid outlet end of the oil inlet pipe through a return pipe, the liquid inlet end of the second one-way valve is externally connected with the liquid inlet pipe, the liquid outlet end of the second one-way valve is externally connected.

As an improvement of the invention, a drain outlet is formed at the liquid inlet end of the oil inlet pipe, a drain valve is arranged at the drain outlet, a first manual valve is arranged at the liquid outlet end of the oil inlet pipe, a second manual valve is arranged at the liquid outlet end of the oil guide pipe, a third manual valve is arranged at the liquid outlet end of the liquid inlet pipe, a pressure gauge is arranged outside the oil discharge pipe, and a liquid level detector and a plastic pipe liquid level meter are arranged on the outer side wall of the oil storage barrel. In the manometer test probe stretched into the oil extraction pipe, the level detector realized the inside liquid level condition accurate detection of oil storage bucket, and the inside liquid level condition visual observation of oil storage bucket is convenient for to the plastic tubing level gauge, and the oil storage bucket is used for emulsified diesel to deposit.

Compared with the prior art, the invention has the following advantages: the device is provided with a constant-pressure oil supply component and a normal-pressure oil supply component which are combined to realize the switching of fuel oil (emulsified diesel oil and diesel oil), can ensure the normal operation of a diesel engine while saving energy and protecting environment, realize the hydraulic fuel oil switching, realize the switching of the diesel oil and the emulsified diesel oil through the hydraulic pressure difference at the liquid inlet and the liquid outlet of a first check valve and a second check valve, not only improve the intelligent degree and reduce the manual participation amount, but also avoid the inconvenience of fuel oil switching and derivation due to the operation failure of equipment circuits, the arrangement of the first manual valve, the second manual valve and the third manual valve plays an auxiliary guarantee role in fuel oil switching, the arranged pressure regulating valve and the return pipe realize the constant-pressure oil supply, avoid the influence on the normal operation of subsequent parts due to the non-quantitative derivation of the emulsified diesel oil, and the arranged blowoff valve can realize the manual discharge of the emulsified liquid, the method can reduce resource waste, ensure the follow-up emulsification process, avoid the corrosion and damage of the emulsion to the equipment due to long-time detention, and prolong the service life of the equipment.

Drawings

FIG. 1 is a piping diagram of an automatic oil supply switching device for an oil engine according to the present invention;

FIG. 2 is a schematic diagram of an oil feeding structure of the oil supply pump;

FIG. 3 is a schematic view of an oil guiding structure of the oil supply pump;

List of reference numerals: 1. an oil storage barrel; 2. a constant pressure oil supply assembly; 3. a normal pressure oil supply assembly; 4. an oil supply pump; 5. an oil inlet pipe; 6. an oil guide pipe; 7. a pressure regulating valve; 8. a return pipe; 9. a first check valve; 10. an oil discharge pipe; 11. a second one-way valve; 12. a liquid inlet pipe; 13. a liquid discharge pipe; 14. a blowoff valve; 15. a first manual valve; 16. a second manual valve; 17. a third manual valve; 18. a pressure gauge; 19. a liquid level detector; 20. plastic tube level gauge.

Detailed Description