Integrated oil station high-speed gearbox and control method thereof

Abstract

The invention discloses an integrated oil station high-speed gear box device which comprises a gear box and an oil station, the oil station comprises an oil tank, a gear box shaft belt main gear pump device, a motor belt auxiliary gear pump device, an oil conveying pipe, a one-way valve, an oil cooler, a double-cylinder filter, a safety valve, an instrument and a control element, and the gear box is connected with the oil tank through the oil conveying pipe; during normal work, the gear box shaft driving main gear pump device continuously sucks oil liquid from the oil tank, after the sucked oil liquid is pressurized, the oil liquid is output and sent to all lubricating parts of a main machine through the one-way valve, the double-cylinder filter and the oil cooler, and the oil liquid lubricates and cools meshing parts in a gear box and then flows back into the oil tank for next circulation. The system has the advantages that the integrated design of the oil station and the gearbox is realized, the connection mode between the oil station and the gearbox is optimized, the overall working efficiency of the system is improved, and the technical problems of stable oil supply and oil temperature and oil pressure control in the circulating lubrication process of the gearbox are solved.

Description

Technical Field

[0001] The present invention relates to the field of power equipment manufacturing, and more particularly to an integrated oil station high-speed gearbox device for driving an industrial fan. Background Art

[0002] At present, the high-speed gearbox and its lubrication system used in industrial production in China mostly adopt a distributed design, that is, the lubricating oil required in the operation of the high-speed gearbox needs to be stored in a separate oil station, and the oil is pumped into the gearbox through an external oil pump during the operation of the equipment. In this way, the positions of the gearbox and the oil station are relatively dispersed. Due to the long oil pipeline during the oil pumping process, there are problems such as oil temperature rise and oil loss, which leads to reduced system lubrication and heat dissipation efficiency, and the use of an external oil pump increases the energy consumption of the system. Therefore, it is urgent to design an integrated oil station high-speed gearbox, which not only meets the requirements of improving system integration, reducing the length of the oil pipeline, and reducing the loss and oil temperature change during the oil pumping process, but also reduces the system energy consumption through the cooperation between the motor belt auxiliary gear pump and the gearbox shaft belt main gear pump, so that it can be widely used in various fields such as metallurgy, mining, hydropower, chemical industry, light textile, etc., thereby improving production efficiency and reducing costs. Summary of the invention

[0003] In view of this, in order to solve the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide an integrated oil station high-speed gearbox device, which can solve the technical problems of improving system integration, thereby improving system lubrication and heat dissipation efficiency and reducing energy consumption, and is widely used.

[0004] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the present invention is as follows: an integrated oil station high-speed gearbox device, including an oil tank, a heater, a gearbox shaft with a main gear pump device, a motor with an auxiliary gear pump device, an oil pipeline, a one-way valve, an oil cooler, a duplex filter, a safety valve, instruments and control elements. The gearbox is connected to the oil tank through an oil pipeline. During normal operation, the gearbox shaft with the main gear pump device continuously sucks oil from the oil tank, and after pressurizing the sucked oil, it is output to various lubrication parts of the main engine through a one-way valve, a duplex filter (one side is working and the other side is standby), and an oil cooler. The oil lubricates and cools the main engine and then proceeds to the next cycle.

[0005] Furthermore, the gear box (1) and the oil station (2) are of integrated design, and their main bodies are an integral structure.

[0006] Furthermore, the oil tank (201), the gear box shaft with the main gear pump device (202), the oil cooler (205), the duplex filter (207), and the gear box (1) are sequentially connected via an oil delivery pipe (203).

[0007] Furthermore, the safety valve (206) is used to monitor the pipeline oil pressure at the one-way valve (204). When the oil pressure is higher than a set value, the safety valve (206) opens, and part of the oil flows back into the oil tank through the safety valve (206).

[0008] Furthermore, the oil cooler (205) is a water-cooled cooler, which has the advantages of compact structure and high cooling efficiency.

[0009] Furthermore, the double-tube filter (207) is composed of two single-tube filters (which are used as backup for each other) and a manual switching valve. When one set of filter elements is working, the other set of filter elements is used as backup. When the pressure difference of the working filter element reaches a set value, the pressure difference controller is activated to send out an alarm signal, and the backup filter element is manually switched to work, and the original working filter element can be disassembled for cleaning.

[0010] Furthermore, the heater (209) is a rod-shaped structure and is connected to the oil tank (201) via a flange.

[0011] Furthermore, the electric control cabinet (215) is connected to the motor with an auxiliary gear pump device (208) and a heater (209) through internal cables.

[0012] Furthermore, the motor with auxiliary gear pump device (208) and heater (209) are started and stopped by an electric control cabinet (215).

[0013] Furthermore, the instrument box (216) is connected to the vibration sensor (210), the liquid level detector (211), the pressure transmitter (212), the differential pressure controller (213), and the temperature detector (214) through internal cables.

[0014] Furthermore, the oil station (2) monitors the oil pressure at the oil outlet of the oil tank (201) and the oil inlet of the gear box (1) online, and starts the gear box shaft belt main gear pump device (202) when the oil pressure at the oil outlet of the oil tank (201) and the oil pressure at the oil inlet of the gear box (1) is 0.2MPa, and shuts down the motor belt auxiliary gear pump device (208) when the oil pressure at the oil inlet of the gear box (1) is 0.2MPa.

[0015] Furthermore, the monitoring data of the vibration sensor (210), the liquid level detector (211), the pressure transmitter (212), the differential pressure controller (213), and the temperature detector (214) are displayed in real time by the instrument box (216).

[0016] Furthermore, a method for operating an integrated oil station high-speed gearbox comprises the following steps:

[0017] Oil pressurization: Before the equipment is started, the motor with the auxiliary gear pump device (208) is started first to pressurize the oil and provide power for establishing oil circulation.

[0018] Oil cooling and filtering: After the motor with auxiliary gear pump device (208) is started, the oil stored in the oil tank 201 flows through the oil pipe (203) and passes through the oil cooler (205), where the oil is cooled to ensure that the oil delivered to each lubrication point has a sufficient cooling effect; the cooled oil flows through the oil pipe (203) and passes through the double-tube filter (207) to filter out impurities in the oil and ensure the lubrication effect of the oil.

[0019] Switching between the main and auxiliary oil pumps: The motor with the auxiliary gear pump device (208) operates normally until the oil outlet pressure reaches 0.2MPa and the oil inlet pressure of the gear box (1) reaches 0.15MPa. The main motor of the gear box (1) is turned on. At this time, the gear box shaft with the main gear pump device (202) starts to work, and the oil system pressure gradually increases. When the oil inlet pressure of the gear box (1) reaches 0.2MPa, the motor with the auxiliary gear pump device (208) stops working.

[0020] Oil recovery: The oil stored in the oil tank (201) enters the gear box (1) to lubricate the system after being cooled and filtered, and then flows back to the oil tank (201) through the oil return port inside the gear box (1) for the next cycle.

[0021] Benefits:

[0022] The integrated oil station high-speed gearbox and control method thereof of the present invention can solve the technical problems of high-efficiency lubrication and heat dissipation of the high-speed gearbox and can effectively reduce the energy consumption of the system, and has a wide range of applications;

[0023] Compared with the existing high-speed gearbox, the present invention is integrated with the oil station. During the operation of the system, no external oil station is required. The circulation oil circuit can be established by relying on its own system design, thereby realizing lubrication and heat dissipation of the internal gear transmission system of the high-speed gearbox, and improving the lubrication and heat dissipation efficiency of the system. At the same time, the gearbox shaft is belted with a main gear pump to provide power for the oil circulation, reducing the energy consumption of the system, and achieving the beneficial effects of improving efficiency, saving energy and protecting the environment. The present invention can be widely used in various fields such as metallurgy, mining, hydropower, chemical industry, light industry and textile industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Patented product application system diagram

[0025] Figure 2 Schematic diagram of the high-speed gearbox device of the integrated oil station

[0026] Markings in the figure: 1, gear box, 2, oil station, 201, oil tank, 202, gear box shaft with main gear pump, 203, oil pipeline, 204, one-way valve, 205, oil cooler, 206, safety valve, 207, duplex filter, 208, motor with auxiliary gear pump. DETAILED DESCRIPTION

[0027] In order to better explain the present invention and facilitate understanding, the present invention is described below through specific implementation modes in conjunction with the accompanying drawings.

[0028] The following specific examples are given to further clearly, completely and in detail illustrate the technical solution of the present invention. This example is the best example based on the technical solution of the present invention, but the protection scope of the present invention is not limited to the following examples.

[0029] An integrated oil station high-speed gearbox, such as Figure 1 , Figure 2 As shown, the invention comprises a gear box (1) and an oil station (2), wherein the oil station (2) comprises an oil tank (201), a gear box shaft with a main gear pump device (202), an oil delivery pipe (203), a one-way valve (204), an oil cooler (205), a safety valve (206), a duplex filter (207), a motor with an auxiliary gear pump device (208), a heater (209), a vibration sensor (210), a liquid level detector (211), a pressure transmitter (212), a differential pressure controller (213), a temperature detector (214), an electric control cabinet (215), and an instrument box (216). The oil tank (201) is connected in sequence to the gearbox shaft with the main gear pump device (202), the oil cooler (205), the duplex filter (207) and the gearbox (1) through the oil delivery pipe (203) and the one-way valve (204) to form an oil delivery circuit. The vibration sensor (210), the liquid level detector (211), the pressure transmitter (212), the differential pressure controller (213) and the temperature detector (214) are used to monitor the operating status of the equipment in real time, and provide feedback display through the instruments in the instrument box (216).

[0030] Furthermore, the gearbox (1) and the oil station (2) are of integrated design, and their main bodies are an integral structure. The outer shell and internal structure of the gearbox (1) and the oil station (2) are deeply integrated, which improves the system integration, reduces the length of the oil pipeline, and improves the circulation efficiency of the lubricating oil.

[0031] Furthermore, the oil tank (201), the gearbox shaft with the main gear pump device (202), the oil cooler (205), the double-tube filter (207), and the gearbox (1) are sequentially connected through the oil delivery pipe (203). Figure 2 .

[0032] Furthermore, the safety valve (206) is used to monitor the pipeline oil pressure at the one-way valve (204). When the oil pressure is higher than a set value, the safety valve (206) opens, and part of the oil flows back into the oil tank through the safety valve (206), thereby reducing the pressure in the oil pipeline and avoiding equipment damage.

[0033] Furthermore, the oil cooler (205) is a water-cooled cooler, which has the advantages of compact structure and high cooling efficiency.

[0034] Furthermore, the double-tube filter (207) is composed of two single-tube filters (which are used as backup for each other) and a manual switching valve. When one set of filter elements is working, the other set of filter elements is used as backup. When the pressure difference of the working filter element reaches a set value, the pressure difference controller is activated to send out an alarm signal, and the backup filter element is manually switched to work, and the original working filter element can be disassembled for cleaning.

[0035] Furthermore, the heater (209) is a rod-shaped structure and is connected to the oil tank (201) via a flange.

[0036] Furthermore, the electric control cabinet (215) is connected to the motor with an auxiliary gear pump device (208) and a heater (209) through internal cables.

[0037] Furthermore, the motor with auxiliary gear pump device (208) and heater (209) are started and stopped by an electric control cabinet (215).

[0038] Furthermore, the instrument box (216) is connected to the vibration sensor (210), the liquid level detector (211), the pressure transmitter (212), the differential pressure controller (213), and the temperature detector (214) through internal cables.

[0039] Furthermore, the oil station (2) monitors the oil pressure at the oil outlet of the oil tank (201) and the oil inlet of the gear box (1) online, and starts the gear box shaft belt main gear pump device (202) when the oil pressure at the oil outlet of the oil tank (201) and the oil pressure at the oil inlet of the gear box (1) is 0.2MPa, and shuts down the motor belt auxiliary gear pump device (208) when the oil pressure at the oil inlet of the gear box (1) is 0.2MPa.

[0040] Furthermore, the monitoring data of the vibration sensor (210), the liquid level detector (211), the pressure transmitter (212), the differential pressure controller (213), and the temperature detector (214) are displayed in real time by the instrument box (216).

[0041] Furthermore, in order to improve system operation efficiency and reduce energy consumption, some application manufacturers may adopt the method of this embodiment in the production process, such as Figure 1 As shown, the unit configuration form can be set as:

[0042] Before the equipment is started, the motor with the auxiliary gear pump device (208) is started first to increase the oil pressure and provide power for establishing oil circulation.

[0043] After the motor belt auxiliary gear pump device (208) is started, the oil stored in the oil tank 201 flows through the oil pipe (203) and passes through the oil cooler (205), where the oil is cooled to ensure that the oil delivered to each lubrication point has a sufficient cooling effect; the cooled oil flows through the oil pipe (203) and passes through the double-tube filter (207) to filter out impurities in the oil and ensure the lubrication effect of the oil.

[0044] The motor with auxiliary gear pump device (208) operates normally until the oil outlet pressure reaches 0.2MPa and the gear box (1) oil inlet pressure reaches 0.15MPa. The gear box (1) main motor is turned on. At this time, the gear box shaft with main gear pump device (202) starts to work, and the oil system pressure gradually increases. When the gear box (1) oil inlet pressure reaches 0.2MPa, the motor with auxiliary gear pump device (208) stops working.

[0045] The oil stored in the oil tank (201) enters the gear box (1) to lubricate the system after being cooled and filtered, and then flows back to the oil tank (201) through the oil return port inside the gear box (1).

[0046] In summary, the integrated oil station high-speed gearbox designed by the present invention not only meets the requirements of improving system integration, reducing the length of the oil pipeline, and reducing the loss and oil temperature changes during oil pumping, but also reduces the system energy consumption through the cooperation between the motor belt auxiliary gear pump and the gear box shaft belt main gear pump, so that it can be widely used in various fields such as metallurgy, mining, hydropower, chemical industry, light industry, etc., thereby improving production efficiency and reducing costs, with stronger practicality and superiority and broad application prospects.

[0047] Those skilled in the art will readily appreciate other embodiments of the present invention after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art that are not disclosed by the present invention. The specification and examples are to be considered exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0048] It should be understood that the present invention is not limited to the exact construction that has been described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. Integrated oil station high-speed gearbox, characterized by: The invention comprises a gear box (1) and an oil station (2), wherein the oil station (2) comprises an oil tank (201), a gear box shaft with a main gear pump device (202), an oil delivery pipe (203), a one-way valve (204), an oil cooler (205), a safety valve (206), a duplex filter (207), a motor with an auxiliary gear pump device (208), a heater (209), a vibration sensor (210), a liquid level detector (211), a pressure transmitter (212), a differential pressure controller (213), a temperature detector (214), an electric control cabinet (215), and an instrument box (216). The oil tank (201) is connected in sequence to the gearbox shaft with the main gear pump device (202), the oil cooler (205), the duplex filter (207) and the gearbox (1) through the oil delivery pipe (203) and the one-way valve (204) to form an oil delivery circuit. The vibration sensor (210), the liquid level detector (211), the pressure transmitter (212), the differential pressure controller (213) and the temperature detector (214) are used to monitor the operating status of the equipment in real time, and provide feedback display through the instruments in the instrument box (216).

2. The integrated oil station high-speed gearbox according to claim 1, characterized in that: The gear box (1) and the oil station (2) are of integrated design, and their main bodies are an integral structure.

3. The integrated oil station high-speed gearbox according to claim 1, characterized in that: The oil tank (201), the gear box shaft with the main gear pump device (202), the oil cooler (205), the double-tube filter (207), and the gear box (1) are connected in sequence through an oil delivery pipe (203).

4. The integrated oil station high-speed gearbox according to claim 1, characterized in that: The safety valve (206) is used to monitor the pipeline oil pressure at the one-way valve (204). When the oil pressure is higher than a set value, the safety valve (206) opens, and part of the oil flows back into the oil tank through the safety valve (206).

5. The integrated oil station high-speed gearbox according to claim 1, characterized in that: The oil cooler (205) is a water-cooled cooler, which has the advantages of compact structure and high cooling efficiency.

6. The integrated oil station high-speed gearbox according to claim 1, characterized in that: The double-tube filter (207) is composed of two single-tube filters (which are used as backup for each other) and a manual switching valve. When one set of filter elements is working, the other set of filter elements is used as backup. When the pressure difference of the working filter element reaches a set value, the pressure difference controller is activated to send out an alarm signal, and the backup filter element is manually switched to work, and the original working filter element can be disassembled for cleaning.

7. The integrated oil station high-speed gearbox according to claim 1, characterized in that: The heater (209) is a rod-shaped structure and is connected to the oil tank (201) via a flange.

8. The integrated oil station high-speed gearbox according to claim 1, characterized in that: The electric control cabinet (215) is connected to the motor with an auxiliary gear pump device (208) and a heater (209) via internal cables.

9. The integrated oil station high-speed gearbox according to claim 8, characterized in that: The motor with auxiliary gear pump device (208) and the heater (209) are started and stopped by the electric control cabinet (215).

10. The integrated oil station high-speed gearbox according to claim 1, characterized in that: The instrument box (216) is connected to a vibration sensor (210), a liquid level detector (211), a pressure transmitter (212), a differential pressure controller (213), and a temperature detector (214) via internal cables.

11. The integrated oil station high-speed gearbox according to claim 9, characterized in that: The oil station (2) monitors the oil pressure of the oil tank (201) oil outlet and the gear box (1) oil inlet online. When the oil pressure of the oil tank (201) oil outlet is 0.2 MPa and the oil pressure of the gear box (1) oil inlet is 0.15 MPa, the gear box shaft belt main gear pump device (202) is started, and when the oil pressure of the gear box (1) oil inlet is 0.2 MPa, the motor belt auxiliary gear pump device (208) is shut down.

12. The integrated oil station high-speed gearbox according to claim 10 or 11, characterized in that: The monitoring data of the vibration sensor (210), the liquid level detector (211), the pressure transmitter (212), the differential pressure controller (213), and the temperature detector (214) are displayed in real time by the instrument box (216).

13. The integrated oil station high-speed gearbox according to claim 1, characterized in that: The following steps are involved: Oil pressurization: Before the equipment is started, the motor with the auxiliary gear pump device (208) is started first to pressurize the oil and provide power for establishing oil circulation. Oil cooling and filtering: After the motor with auxiliary gear pump device (208) is started, the oil stored in the oil tank 201 flows through the oil pipe (203) and passes through the oil cooler (205), where the oil is cooled to ensure that the oil delivered to each lubrication point has a sufficient cooling effect; the cooled oil flows through the oil pipe (203) and passes through the double-tube filter (207) to filter out impurities in the oil and ensure the lubrication effect of the oil. Switching between the main and auxiliary oil pumps: The motor with the auxiliary gear pump device (208) operates normally until the oil outlet pressure reaches 0.2MPa and the oil inlet pressure of the gear box (1) reaches 0.15MPa. The main motor of the gear box (1) is turned on. At this time, the gear box shaft with the main gear pump device (202) starts to work, and the oil system pressure gradually increases. When the oil inlet pressure of the gear box (1) reaches 0.2MPa, the motor with the auxiliary gear pump device (208) stops working. Oil recovery: The oil stored in the oil tank (201) enters the gear box (1) to lubricate the system after being cooled and filtered, and then flows back to the oil tank (201) through the oil return port inside the gear box (1) for the next cycle.

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