CN218440567U

CN218440567U - Lubricating oil filling system for speed reducer of wind generating set

Info

Publication number: CN218440567U
Application number: CN202222256853.4U
Authority: CN
Inventors: 李小东; 李志军; 何学臻
Original assignee: Beijing Ruike Hengneng Technology Co ltd
Current assignee: Beijing Ruike Hengneng Technology Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-02-03
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a wind generating set reduction gear lubricating oil filling system, including reduction gear, connection oil pipe, motor, oil pump, electropneumatic controller, motor, tee bend ball valve. The utility model solves the problems of complex operations of oil filling and waste oil discharging in the cleaning process of the reducer of the wind generating set by integrally connecting the reducer into the oil circulating system, and reduces the workload of personnel operation and maintenance; by improving the cleaning efficiency, the downtime of the wind generating set is reduced, and the generating capacity of the set is improved.

Description

Lubricating oil filling system for speed reducer of wind generating set

Technical Field

The utility model relates to a wind generating set reduction gear lubricating oil filling device.

Background

In the wind power industry, a speed reducer of a wind turbine generator can accumulate a large amount of metal abrasive dust after long-term operation. If the metal abrasive dust can not be cleaned in time, the gear of the speed reducer can be blocked and broken, so that the speed reducer is damaged, the normal operation of a system of the unit is seriously influenced, the loss of unit equipment and generated energy is caused, meanwhile, the increase of the metal abrasive dust in the speed reducer can cause more abrasion to parts of the speed reducer, and the service life of the speed reducer is shortened.

At present, the mode of carrying out oil sample detection every year, discharging waste oil to the speed reducer of an unqualified lubricating oil sample unit, flushing and replacing new oil is maintained. Because each speed reducer is used as a closed system, the work of discharging waste oil, cleaning and filling new oil needs to be carried out one by one, the work is time-consuming, and the labor cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a reduction gear lubricating oil filling system.

The utility model provides a wind generating set reduction gear lubricating oil filling system includes: reduction gear, connection oil pipe, motor, oil pump, electric controller, motor, tee bend ball valve, its characterized in that: the controller is connected with the motor, the motor is connected with the oil pump through the elastic coupling to form a power system, a first three-way ball valve is connected with an oil outlet of the oil pump, the port is an oil filling port B, the first three-way ball valve is connected with a fourth speed reducer, the oil outlet of the fourth speed reducer is connected with an oil inlet of a third speed reducer, the oil outlet of the third speed reducer is connected with an oil inlet of a second speed reducer, the oil outlet of the second speed reducer is connected with an oil inlet of the first speed reducer in series through connecting oil pipes, the oil outlet of the first speed reducer is connected with the second three-way ball valve, one end of the second three-way ball valve is connected with the oil inlet of the oil pump, the port is an oil discharging port A, and the oil discharging port is connected with an oil collecting container to form a complete oil circulating system.

Preferably, the motor and the oil pump are connected by using an elastic coupling.

Preferably, the three-way ball valve is made of a T-shaped three-way ball valve and is used for switching oil ways.

Preferably, the oil pump adopts from the oil suction pump, and self-priming pump is good from the suction, need not advance oil pipe and fill with fluid alright with circulation work.

Preferably, the controller is connected with the motor through a motor power line, and the controller controls the contactor of the motor power line to be switched on and off to start and stop the motor.

Compared with the prior art, the utility model provides a wind generating set reduction gear lubricating oil filling system has following beneficial effect.

1. The utility model discloses regard as a whole with all reduction gears, establish ties all reduction gear oil inlets and oil pipe for the oil drain port after, can accelerate outlying fluid circulation.

2. A set of motor and an oil pump are used, and a controller controls the motor to start, so that oil in the speed reducer is circulated, and the purposes of discharging the oil, filling new oil, cleaning the speed reducer and protecting a gear mechanism of the speed reducer are achieved.

3. The three-way valve additionally arranged enables oil filling and oil discharging of the system to be more efficient, and the system is easier to maintain.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Reference numbers in the figures: 1. the oil pump type oil pump comprises a first speed reducer, a second speed reducer, a third speed reducer, a fourth speed reducer, a first connecting oil pipe, a second connecting oil pipe, a third connecting oil pipe, a fourth connecting oil pipe, a fifth connecting oil pipe, a first three-way ball valve, a motor controller, a sixth connecting oil pipe, a motor 14, an oil pump, a seventh connecting oil pipe, a second three-way ball valve, a 17 oil outlet, an 18 oil inlet, a 19 elastic coupling, an oil outlet and an oil filling port.

Detailed Description

In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the lubricating oil filling system for the speed reducer comprises a connecting oil pipe, a motor 13, an oil pump 14, an electric controller 11, a second three-way ball valve 16 and a first three-way ball valve 10. The oil outlet of each speed reducer is connected with the oil inlet of the next speed reducer through an oil pipe, the whole speed reducer is in a series connection mode, the first three-way ball valve 10 and the second three-way ball valve 16 are connected to the oil inlet and the oil outlet of an oil pump through a sixth connecting oil pipe 12 and a seventh connecting oil pipe 15 respectively, the oil inlet of the first speed reducer 1 and the oil outlet of the fourth speed reducer 4 are connected with the second three-way ball valve 16 and the three-way ball valve 10 through a first connecting oil pipe 5 and a fifth connecting oil pipe 9 respectively, and an oil circulation system is formed.

The utility model provides a theory of operation as follows: switching the second three-way ball valve 16 to open the oil outlet A, closing the three-way valve connected with the oil inlet of the first speed reducer 1, starting the motor through the controller 11, driving the oil pump to rotate through the coupler 19, discharging unqualified oil in the speed reducer to a waste oil collecting container through the oil outlet B, and stopping the motor through the controller 11 after the oil is discharged.

And switching a second three-way ball valve 16 to close the oil outlet and communicate the oil pump 14 with the oil inlet of the speed reducer 1. And switching the first three-way ball valve 10, enabling the oil injection port B to be communicated at the moment, connecting the oil passage from the fourth speed reducer 4 to the first three-way ball valve 10 to be closed, starting the motor 13, injecting oil, closing the oil injection port B after the oil level is injected to a specified position, and circularly cleaning the speed reducer. After the cleaning is finished, the second three-way ball valve 16 is switched to be communicated with the oil outlet A, and oil is discharged into the oil collecting container. And finally, closing an oil outlet of the three-way ball valve 16, switching the first three-way ball valve 10, communicating the oil filling port B to fill new oil into the speed reducer, switching the first three-way ball valve 10 after the oil is added to a specified position, and closing the oil filling port B to finish the whole lubricating oil filling process.

It should be noted that the above-mentioned embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims

1. The utility model provides a wind generating set reduction gear lubricating oil filling system, includes the reduction gear, connects oil pipe, motor, oil pump, electric controller, motor, tee bend ball valve, its characterized in that: the controller is connected with the motor, and the motor passes through elastic coupling and oil pump connection, constitutes driving system, and what be connected with the oil pump oil-out is first tee bend ball valve, and this port is the oiling mouth, what first tee bend ball valve was connected is the fourth reduction gear, the oil-out and the third reduction gear oil inlet of fourth reduction gear the oil-out and the second reduction gear oil inlet of third reduction gear the oil-out and the oil inlet of first reduction gear are established ties with connecting oil pipe in proper order, first reduction gear oil-out is connected with second tee bend ball valve, second tee bend ball valve one end is connected with the oil pump oil inlet, and this port is the oil drain port, and the oil drain port is connected with fluid collecting container, constitutes a complete fluid circulation system.

2. The retarder lubricating oil filling system of claim 1, wherein the electric motor and the oil pump are connected using an elastomeric coupling.

3. The reducer lubricating oil filling system according to claim 1, wherein the three-way ball valve is made of a T-shaped three-way ball valve and is used for switching an oil path.

4. The speed reducer lubricating oil filling system according to claim 1, wherein the oil pump is a self-suction oil pump which has good self-suction performance, and can work circularly without filling an oil inlet pipe with oil.

5. The system of claim 1, wherein the controller is connected to the motor via a power line of the motor, and wherein the controller is configured to start and stop the motor by controlling a contactor of the power line to open and close.