Duplex pump dynamic regulation fan hydraulic lubrication combination device with high response speed

Abstract

The utility model discloses a duplex pump dynamic regulation fan hydraulic lubrication combined device with high response speed, which is characterized in that an oil tank is connected with two groups of duplex gear pumps, one pump of the duplex gear pumps is connected with a hydraulic oil supply system for hydraulic oil supply, and the other pump of the duplex gear pumps is connected with a lubrication oil supply system for lubrication oil supply; the hydraulic oil supply system comprises a filtering device connected with the duplex gear pump, and a pipeline behind the filtering device leads to the oil outlet; the lubricating oil supply system comprises a filtering device connected with the duplex gear pump, a cooling device is connected behind the filtering device, a pipeline behind the cooling device leads to an oil supply port, the cooler adopts a switching bypass, the bypass of the cooler is switched by utilizing a three-way ball valve, and oil directly enters a lubricating point without passing through the cooler by switching the three-way ball valve. Hydraulic pressure and lubrication are independently carried out through the single motor, the hydraulic pressure and the lubrication oil pump do not influence each other, the oil pressure needed when the blade angle is adjusted is set, and the working efficiency of the fan is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of duplex pump variable speed fan hydraulic lubricating device. BACKGROUND

[0002] The existing variable speed fan hydraulic lubricating device, hydraulic, lubrication cannot be carried out independently by a motor, hydraulic, lubricating oil pump has influence on each other, affects working performance and efficiency. The existing variable speed fan hydraulic lubricating device cannot set the oil pressure required when adjusting blade angle, affects fan working efficiency. SUMMARY

[0003] The utility model aims at providing a kind of duplex pump variable speed fan hydraulic lubricating combined device, which makes hydraulic, lubrication independent by single motor, hydraulic, lubricating oil pump does not influence each other, and sets the oil pressure required when adjusting blade angle, improves the response speed of fan working efficiency.

[0004] The technical solution of the utility model is as follows:

[0005] A kind of duplex pump variable speed fan hydraulic lubricating combined device of response speed, including oil tank, its characterized in that: oil tank is connected with two groups of duplex gear pump, one group is used, another group is standby, one pump in duplex gear pump is connected with hydraulic oil supply system and carries out hydraulic oil supply, another pump is connected with lubricating oil supply system and carries out lubricating oil supply, so that hydraulic oil and lubricating oil are independently supplied with oil;The hydraulic oil supply system includes the filter device connected with duplex gear pump, the filter device is composed of two parallel filters, the pipeline after filter device leads to oil outlet, and high-pressure ball valve is arranged on the pipeline after filter device;The lubricating oil supply system includes the filter device connected with duplex gear pump, the filter device is composed of two parallel filters, cooling device is connected after filter device, cooling device is composed of two parallel water coolers, the pipeline after cooling device leads to oil supply port;Threaded cartridge valve is arranged at the oil outlet of duplex gear pump, for setting the oil pressure required when adjusting blade angle.

[0006] The water cooler adopts 316L stainless steel brazed plate cooler.

[0007] The utility model adopts duplex gear pump oil supply, so that hydraulic oil and lubricating oil are independently supplied with oil, but only single motor is needed to realize the simultaneous work of lubricating oil pump and hydraulic oil pump, realize the angle adjustment of fan blade and the lubrication and cooling of bearing. Threaded cartridge valve is arranged at the oil outlet of duplex gear pump to adjust oil pressure, and the threaded cartridge valve is used to set the oil pressure required when adjusting blade angle. The characteristics are faster response speed, reduced energy loss of system, ensure the stable output of oil flow and pressure. Thus, precise control of oil pressure is realized, accurate adjustment of variable speed axial flow fan blade angle is achieved, precise regulation of air volume is realized, and the fan working efficiency is higher. Attached Figure Description

[0008] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0009] Figure 1 This is a structural schematic diagram of one embodiment of the present invention. Detailed Implementation

[0010] A fast-response dual-pump adjustable fan hydraulic lubrication combined device includes an oil tank 1, which is connected to two sets of dual-gear pumps 2, one for use and the other for standby. One pump of the dual-gear pumps is connected to the hydraulic oil supply system for hydraulic oil supply, and the other pump is connected to the lubrication oil supply system for lubrication oil supply, so that the hydraulic oil and lubricating oil are supplied independently. The hydraulic oil supply system includes a filter device 3 connected to the dual-gear pumps. The filter device consists of two parallel filters. The pipeline after the filter device leads to the oil outlet 4, and a high-pressure ball valve 5 is installed on the pipeline after the filter device. The lubrication oil supply system includes a filter device 6 connected to the dual-gear pumps. The filter device consists of two parallel filters. The filter device is connected to a cooling device. The cooling device consists of two parallel water coolers 7. The pipeline after the cooling device leads to the oil supply port 8. A threaded cartridge valve 9 is installed at the oil outlet of the dual-gear pumps to set the oil pressure required for blade angle adjustment.

[0011] The water cooler is a 316L stainless steel brazed plate cooler.

[0012] The system uses a double gear pump for oil supply. This double pump has low operating noise, good adaptability to impact loads, and a high power ratio, making it more energy-efficient and effective during operation. The system only requires a single electric motor, allowing the lubricating oil pump and hydraulic oil pump to work simultaneously, enabling the adjustment of the fan blade angle and the lubrication and cooling of the bearings.

[0013] A threaded cartridge valve is installed at the oil outlet of the double gear pump to regulate the oil pressure. This valve is used to set the oil pressure required for blade angle adjustment. Features include faster response speed, reduced system energy loss, and stable oil flow and pressure output. This enables precise control of the hydraulic pressure, allowing for accurate adjustment of the blade angle of the dynamically adjustable axial flow fan, achieving precise airflow regulation, and resulting in higher fan efficiency.

[0014] The cooling oil is cooled by a 316L stainless steel brazed plate cooler. The 316L stainless steel plates have higher corrosion resistance, making them more suitable for corrosive coastal environments. This also improves the cooling efficiency of the equipment. In addition, the plate cooler has high pressure resistance, a small size, and is easier to maintain. The cooler uses a brazing process to prevent plate leakage caused by excessive pressure, making its performance more reliable.

[0015] Application Scope

[0016] It is mainly used in the thermal power generation industry for adjusting the blade angle of dynamic axial flow fans and for lubrication and cooling of bearings.

Claims

1. A hydraulic lubrication combined device for a dual-pump-driven adjustable fan with fast response speed, comprising an oil tank, characterized in that: The oil tank is connected with two sets of double gear pumps, one set is used and the other set is standby, one pump in the double gear pump is connected with the hydraulic oil supply system to carry out hydraulic oil supply, and the other pump is connected with the lubricating oil supply system to carry out lubricating oil supply, so that the hydraulic oil and the lubricating oil are independently supplied; the hydraulic oil supply system comprises a filtering device connected with the double gear pump, the filtering device is composed of two parallel filters, a pipeline after the filtering device is connected with an oil outlet, and a high-pressure ball valve is arranged on the pipeline after the filtering device; the lubricating oil supply system comprises a filtering device connected with the double gear pump, the filtering device is composed of two parallel filters, a cooling device is connected after the filtering device, the cooling device is composed of two parallel water coolers, and a pipeline after the cooling device is connected with an oil supply port; a threaded plug-in valve is arranged at the oil outlet of the double gear pump, which is used for setting the oil pressure required for adjusting the blade angle.

2. The hydraulic lubrication combined device for the quick-response double-pump variable air volume fan according to claim 1, characterized in that: The water cooler adopts a 316L stainless steel brazed plate cooler.

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