CN216556424U - Extracting device for residual oil in gear box of wind driven generator - Google Patents
Extracting device for residual oil in gear box of wind driven generator Download PDFInfo
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- CN216556424U CN216556424U CN202123214537.2U CN202123214537U CN216556424U CN 216556424 U CN216556424 U CN 216556424U CN 202123214537 U CN202123214537 U CN 202123214537U CN 216556424 U CN216556424 U CN 216556424U
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Abstract
The utility model discloses a residual oil extraction device in a gear box of a wind driven generator, which comprises a pre-vacuum oil tank, an oil extraction pipe and a switch valve. An oil suction port is arranged at the lower part of the pre-vacuum oil tank; the oil pumping pipe is a direction-adjustable pipe and comprises a fixed pipe, a steering mechanism and an outer sheath; the front end of the fixed pipe is connected with the rear end of the steering pipe through a joint; the steering mechanism comprises a steering gear, a steering handle, two racks and two steering steel wires; the steering gear is arranged at the rear part of the fixed pipe; the steering handle is arranged on a rotating shaft of the steering gear; the two racks are meshed with the steering gear; one end of each steering steel wire is connected with one end of each rack, and the other ends of the steering steel wires are symmetrically fixed on the outer wall of the head of the steering pipe; the rear end of the oil pumping pipe is connected with an oil suction port of the pre-vacuum oil tank; the head of the oil pumping pipe extends into the gear box from an oil discharge port of the gear box; the switch valve is arranged on an oil suction port of the pre-vacuum oil tank. The utility model does not need a power source, has simple structure and light weight and is convenient for hoisting.
Description
Technical Field
The utility model relates to a device for extracting residual oil in a gear box of a wind driven generator.
Background
The heavy-load speed change gear box of the wind driven generator is a key center for the operation of the wind driven generator, and in order to maintain the good operation and the normal service life of the wind driven generator, the good lubrication of the gear box becomes one of the keys in the operation and maintenance of a fan. The lubricating oil in the gear box of the wind driven generator needs to be replaced regularly, namely the waste oil is extracted regularly, and the new oil is added after the gear box is washed.
The oil discharge port of the gear box of the existing wind driven generator is not generally arranged at the lowest point of the gear box, so that the residual oil lower than the oil discharge port of the gear box is difficult to be pumped out by the common oil pumping equipment arranged at the bottom of the wind driven generator tower, the residual oil at the bottom of the gear box cannot be pumped out completely at every time, the cleanliness of the new oil can not be guaranteed after the new oil is injected, and the service life of the gear is influenced. In addition, the fan cabin positioned at the top of the fan tower cylinder is not provided with a power supply, and the space is narrow, so that other equipment cannot be added.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the residual oil extraction device in the gear box of the wind driven generator, which does not need a power source, has a simple structure and light weight, is convenient to lift to the cabin of the fan and effectively solves the problem that the residual oil in the gear box is difficult to extract.
The purpose of the utility model is realized as follows: a device for extracting residual oil in a gear box of a wind driven generator comprises a pre-vacuum oil tank, an oil extraction pipe and a switch valve; wherein the content of the first and second substances,
the top of the pre-vacuum oil tank is provided with an air suction port, and the lower part of the pre-vacuum oil tank is provided with an oil suction port;
the oil pumping pipe is a direction-adjustable pipe and comprises a section of fixed pipe, a section of steering pipe, a steering mechanism and an outer sheath; the front end of the fixed pipe is connected with the rear end of the steering pipe through a joint; the steering mechanism comprises a steering gear, a steering handle, two racks and two steering steel wires; the steering gear is arranged at the rear part of the fixed pipe through a rotating shaft; the steering handle is arranged on a rotating shaft of the steering gear; the two racks are correspondingly arranged on two sides of the steering gear one by one and are meshed with the steering gear; one ends of the two steering steel wires are connected with one ends of the two racks in a one-to-one correspondence manner, and the other ends of the two steering steel wires are fixed on the outer wall of the head part of the steering pipe in a one-to-one correspondence manner and in a symmetrical manner; the outer sheath is sleeved outside the fixing pipe, the joint, the steering pipe and the steering mechanism; the rear end of the oil pumping pipe is connected with an oil suction port of the pre-vacuum oil tank, and the head of the oil pumping pipe extends into the gear box from an oil discharge port of the gear box;
the switch valve is arranged on an oil suction port of the pre-vacuum oil tank.
In the above device for extracting residual oil in the gear box of the wind driven generator, the top of the pre-vacuum oil tank is further provided with a vacuum degree gauge, and the extraction opening is provided with an extraction valve.
The utility model discloses a residual oil extraction device in a gear box of a wind driven generator, which has the following characteristics: the oil pumping device has the advantages that any power source is not needed, the pre-vacuum oil tank connected with the direction-adjustable oil pumping pipe is vacuumized in advance, after the waste oil in the gear box is normally pumped, the head of the oil pumping pipe is inserted into the gear box through an oil discharge port of the gear box, the front end of the oil pumping pipe extends into residual oil of which the liquid level is lower than the oil discharge port through a steering mechanism on the oil pumping pipe, a switch valve is opened, the residual oil is pumped out by utilizing the negative pressure in the pre-vacuum oil tank, and the problem that the residual oil in the gear box is difficult to pump is effectively solved. The device has simple structure and light weight, and is convenient to lift to the cabin of the fan.
Drawings
FIG. 1 is a schematic view of the configuration of the residual oil extraction device in the gearbox of a wind turbine according to the present invention;
FIG. 2 is a schematic structural diagram of an oil pumping pipe in the residual oil pumping device in the gear box of the wind driven generator according to the utility model;
FIG. 3 is a schematic view of the installation of the residual oil extraction device in the gear box of the wind turbine generator of the present invention.
Detailed Description
The utility model will be further explained with reference to the drawings.
Referring to fig. 1 to 3, the device for extracting residual oil in a gearbox of a wind driven generator according to the present invention includes a pre-vacuum oil tank 1, an oil pumping pipe 2 and a switch valve 3; wherein the content of the first and second substances,
the top of the pre-vacuum oil tank 1 is provided with an air extraction opening and a vacuum degree gauge 11, the air extraction opening is provided with an air extraction valve 12, and the lower part of the pre-vacuum oil tank 1 is provided with an oil suction opening;
the oil pumping pipe 2 is a direction-adjustable pipe and comprises a section of fixed pipe 21, a section of steering pipe 23, a steering mechanism and an outer sheath 20; the front end of the fixed tube 21 is connected with the rear end of the steering tube 23 through a joint 22; the steering mechanism comprises a steering gear 24, a steering handle 25, two racks 26 and two steering wires 27; the steering gear 24 is installed at the rear part of the fixed pipe 21 through a rotating shaft; a steering handle 25 is mounted on the rotating shaft of the steering gear 24; the two racks 26 are correspondingly arranged on two sides of the steering gear 24 one by one and are meshed with the steering gear 24; the rear ends of the two steering steel wires 27 are correspondingly connected with the front ends of the two racks 26 one by one, and the front ends of the two steering steel wires 27 are correspondingly and symmetrically fixed on the outer wall of the head part of the steering pipe 23 one by one; the outer sheath 20 is sleeved outside the fixing tube 21, the joint 22, the steering tube 23 and the steering mechanism; the rear end of the oil pumping pipe 2 is connected with an oil suction port of the pre-vacuum oil tank 1; the head of the oil pumping pipe 2 extends into the gear box 4 from an oil discharge port of the gear box 4;
the on-off valve 3 is installed on the oil suction port of the pre-vacuum oil tank 1.
The utility model relates to a device for extracting residual oil in a gear box of a wind driven generator, which is characterized in that a switch valve 3 is firstly closed at the bottom of a tower drum of a fan, an air extraction valve 12 on an air extraction opening at the top of a pre-vacuum oil tank 1 is opened, a vacuum pump is connected, the pre-vacuum oil tank 1 is vacuumized through the vacuum pump, the vacuum pump is stopped after a vacuum degree gauge 11 shows that the vacuum degree in the pre-vacuum oil tank 1 is greater than a set value, the air extraction valve 12 is closed at the same time, the vacuum pump is taken down, the device is hung in the fan cabin, after the conventional waste oil extraction operation is finished, the head of an oil extraction pipe 2 of the device is inserted into the gear box 4 from an oil discharge opening of the gear box 4, a steering handle 25 in a rotating mechanism on the oil extraction pipe 2 is rotated, a steering gear 24 drives a rack 26 to move backwards, another rack 26 moves forwards, and correspondingly drives a steering steel wire 27 to be tightened one by one, the other steering steel wire 27 is loosened, the front end of a steering pipe 23 of the oil pumping pipe 2 turns downwards to extend into the residual oil at the bottom in the gear box 4, then the switch valve 3 is opened, and the residual oil in the gear box 4 is sucked into the pre-vacuum oil tank 1 by utilizing the vacuum in the pre-vacuum oil tank 1; after the oil absorption is stopped, closing the switch valve 3 to complete the residual oil absorption work; and finally, after the device is provided with a lower fan engine room, the air exhaust valve 12 is opened, the oil exhaust pipe 2 is detached, and the switch valve 3 is connected with an oil exhaust pump to exhaust waste oil in the pre-vacuum oil tank 1.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (2)
1. A device for extracting residual oil in a gear box of a wind driven generator comprises a pre-vacuum oil tank, an oil extraction pipe and a switch valve; it is characterized in that the preparation method is characterized in that,
the top of the pre-vacuum oil tank is provided with an air suction port, and the lower part of the pre-vacuum oil tank is provided with an oil suction port;
the oil pumping pipe is a direction-adjustable pipe and comprises a section of fixed pipe, a section of steering pipe, a steering mechanism and an outer sheath; the front end of the fixed pipe is connected with the rear end of the steering pipe through a joint; the steering mechanism comprises a steering gear, a steering handle, two racks and two steering steel wires; the steering gear is arranged at the rear part of the fixed pipe through a rotating shaft; the steering handle is arranged on a rotating shaft of the steering gear; the two racks are correspondingly arranged on two sides of the steering gear one by one and are meshed with the steering gear; one ends of the two steering steel wires are connected with one ends of the two racks in a one-to-one correspondence manner, and the other ends of the two steering steel wires are fixed on the outer wall of the head part of the steering pipe in a one-to-one correspondence manner and in a symmetrical manner; the outer sheath is sleeved outside the fixing pipe, the joint, the steering pipe and the steering mechanism; the rear end of the oil pumping pipe is connected with an oil suction port of the pre-vacuum oil tank, and the head of the oil pumping pipe extends into the gear box from an oil discharge port of the gear box;
the switch valve is arranged on an oil suction port of the pre-vacuum oil tank.
2. The device for extracting the residual oil in the gearbox of the wind driven generator as claimed in claim 1, wherein a vacuum degree gauge is further arranged at the top of the pre-vacuum oil tank, and an extraction valve is arranged on the extraction opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123214537.2U CN216556424U (en) | 2021-12-20 | 2021-12-20 | Extracting device for residual oil in gear box of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123214537.2U CN216556424U (en) | 2021-12-20 | 2021-12-20 | Extracting device for residual oil in gear box of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216556424U true CN216556424U (en) | 2022-05-17 |
Family
ID=81545826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123214537.2U Active CN216556424U (en) | 2021-12-20 | 2021-12-20 | Extracting device for residual oil in gear box of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216556424U (en) |
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2021
- 2021-12-20 CN CN202123214537.2U patent/CN216556424U/en active Active
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