CN211449608U

CN211449608U - Oil changing device of yaw variable pitch speed reducer

Info

Publication number: CN211449608U
Application number: CN201922448262.5U
Authority: CN
Inventors: 杨磊; 熊礼; 赵宏波; 邱建国
Original assignee: Xinjiang Xinfeng Xinneng Environmental Protection Technology Co ltd
Current assignee: Xinjiang Xinfeng Xinneng Environmental Protection Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-08
Anticipated expiration: 2029-12-30

Abstract

The application relates to the technical field of wind power generation, and particularly discloses an oil changing device of a yaw variable pitch speed reducer, which comprises a rack, wherein a waste oil tank and a new oil tank are fixed on the rack; an oil suction pipe is fixed in the new oil tank; a filter funnel is hung at the opening of the waste oil tank; an oil well pump is fixed on the waste oil tank, an inlet end of the oil well pump is connected with an oil pumping pipe, an outlet end of the oil well pump is connected with an oil discharge pipe, and an outlet of the oil discharge pipe is positioned above the filter funnel; an oil inlet of the yaw variable pitch speed reducer is detachably connected with an oil suction pipe; and an oil discharge port of the yawing variable-pitch speed reducer is detachably connected with the oil pumping pipe. The purpose of this patent is to solve the problem of the easy air of mixing in the process of the lubricating oil of change yaw reduction gear.

Description

Oil changing device of yaw variable pitch speed reducer

Technical Field

The utility model relates to a wind power generation technical field, in particular to driftage becomes oar reduction gear and trades oil device.

Background

Wind energy is the fastest renewable green resource in global development at present, and along with the promotion of the strategy of sustainable development, the wind energy is more and more valued and is developed and utilized. Wind turbine generators are electrical devices that convert wind energy into electrical energy. A transmission device, such as a gear box, a yaw speed reducer, a pitch speed reducer and the like, is installed in a cabin or an impeller of the wind generating set. The components such as gears, shafts and bearings in the transmission need to be cooled and lubricated with lubricating oil. However, after a certain period of use, the viscosity of the lubricating oil decreases, the lubricating ability of the lubricating oil decreases, and therefore the lubricating oil needs to be replaced.

When the lubricating oil of the reducer with yaw variable pitch is replaced, the waste oil in the reducer is discharged and collected firstly, and then new lubricating oil is injected into the reducer, but in the mode, the lubricating oil in the reducer is easy to mix with air, bubbles and foams are generated, the bubbles can accelerate the oxidative deterioration speed of the lubricating oil, the heat dissipation is influenced, a complete lubricating oil film cannot be formed, and the abrasion is caused to equipment; the bubbles also cause local high temperatures in the high pressure system, causing the oil to deteriorate rapidly.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a technical problem provide driftage change oar reduction gear and trade oil device, solve the problem of sneaking into the air easily at the process of changing the lubricating oil of driftage reduction gear.

In order to solve the above problem, the utility model discloses the technical scheme who adopts is: the yaw variable pitch speed reducer oil change device comprises a rack, wherein a waste oil tank and a new oil tank are fixed on the rack; an oil suction pipe is fixed in the new oil tank; a filter funnel is hung at the opening of the waste oil tank; an oil well pump is fixed on the waste oil tank, an inlet end of the oil well pump is connected with an oil pumping pipe, an outlet end of the oil well pump is connected with an oil discharge pipe, and an outlet of the oil discharge pipe is positioned above the filter funnel; an oil inlet of the yaw variable pitch speed reducer is detachably connected with an oil suction pipe; and an oil discharge port of the yawing variable-pitch speed reducer is detachably connected with the oil pumping pipe.

The technical principle of the technical scheme is as follows: the oil inlet of the yaw variable-pitch speed reducer is well connected with the oil suction pipe, and after the oil discharge port of the yaw variable-pitch speed reducer is well connected with the oil suction pipe, the oil well pump is started, waste oil in the speed reducer is sucked out by the oil well pump, the oil well pump sucks new oil in a new oil tank, after the waste oil is completely pumped out, the oil well pump continues to suck the new oil to clean and replace the speed reducer, then the oil well pump continues to pump the new oil into the speed reducer, then the oil suction pump is stopped, and the oil inlet and the oil outlet of the speed reducer are. Because lubricating oil is always arranged in the yaw variable-pitch speed reducer, air is not easy to enter the yaw variable-pitch speed reducer.

The beneficial effect that this scheme produced is: compared with the traditional mode of replacing lubricating oil of the yaw variable propeller speed changer, the traditional mode is that waste oil in the speed reducer is discharged and collected firstly, and then new lubricating oil is injected into the speed reducer, so that air is easily mixed in the lubricating oil in the speed reducer, and the lubricating oil is easily deteriorated and the speed reducer is damaged; and in this application scheme, establish ties driftage change oar reduction gear and new oil tank in proper order through the oil-well pump, realize taking out waste oil, washing and pouring into new oil in proper order, because there is lubricating oil in the driftage change oar reduction gear all the time, so be difficult to get into the air in the driftage change oar reduction gear, waste oil is collected to the waste oil tank in, avoids the polluted environment and conveniently with waste oil recycle, easy operation, high efficiency.

Furthermore, the aperture size of the filter funnel is 0.02-0.2mm, impurities in the waste oil are filtered, and the waste oil is convenient to recycle.

Further, an oil inlet of the yaw variable pitch speed reducer is connected with an oil suction pipe through a quick connector; the oil discharge port of the yawing variable-pitch speed reducer is connected with the oil pumping pipe through the quick joint, so that the operation is convenient.

Further, a drain outlet is formed in the bottom of the waste oil tank, a drain pipe is connected to the drain outlet, and a first stop valve is arranged on the drain pipe.

The filtered waste oil is stood and precipitated in a waste oil tank, and the precipitate at the bottom layer can be used for preparing asphalt.

Further, the lower part of the waste oil tank is provided with an oil discharge port, the oil discharge port is connected with an oil discharge pipe, and a second stop valve is arranged on the oil discharge pipe. The oil drain port on the upper layer discharges and recycles the waste oil.

Furthermore, an impeller is sleeved outside the oil suction pipe in a sliding mode, the impeller is driven by an air cylinder and can slide up and down, and the air cylinder drives the impeller to move up and down to stir new lubricating oil, so that sedimentation and layering in the lubricating oil are avoided.

Drawings

Fig. 1 is an overall structure diagram of the embodiment of the present invention.

Fig. 2 is a schematic view of the impeller structure.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the oil change tank comprises an oil change tank 10, a partition plate 11, a waste oil tank 20, a drain pipe 21, a first stop valve 22, an oil discharge pipe 23, a second stop valve 24, an oil well pump 25, an oil pumping pipe 26, a first quick joint sub-body 27, an oil outlet pipe 28, a new oil tank 30, an air cylinder 31, an expansion shaft 32 of the air cylinder, an impeller 33, blades 331, an oil suction pipe 34, an upper oil suction pipe section 35, a second quick joint sub-body 36, a filtering funnel 40 and a limiting block 41.

The embodiment is basically as shown in the attached figures 1-2: the yaw variable pitch speed reducer oil change device comprises a rack and an oil change tank, wherein the oil change tank is fixed on the rack, the oil change tank is in a cuboid shape, a partition plate 11 arranged in the vertical direction is fixed in the middle of the oil change tank, and the partition plate 11 divides the inside of the oil change tank into a left waste oil tank 20 and a right waste oil tank 30 which are relatively independent; the waste oil tank 20 is used to collect waste oil and the fresh oil tank 30 is used to hold fresh oil.

As shown in fig. 1, an oil suction pipe 34 is fixed in the new oil tank 30, a lower end of the oil suction pipe 34 extends into the new oil tank 30 and is 1cm away from the bottom of the new oil tank 30, an upper end of the oil suction pipe 34 penetrates through the top of the new oil tank 30 and extends out of the new oil tank 30, the top of the new oil tank 30 is used as a boundary, the oil suction pipe 34 is divided into an upper oil suction pipe section 35 and a lower oil suction pipe section, the lower oil suction pipe section is a steel pipe and is fixed at the top of the new oil tank 30, the upper oil suction pipe section 35 is a steel wire hose, the top of the upper oil suction pipe section 35 is fixedly connected with a second quick coupling daughter 36, an oil inlet of the yaw pitch reducer is fixedly connected with a mother body of the second quick coupling, and the oil suction pipe 34 can be quickly.

As shown in fig. 1, an impeller 33 is slidably sleeved outside the oil suction pipe 34, a cylinder 31 is fixed at the top of the new oil tank 30, a telescopic shaft 32 of the cylinder is vertically arranged downwards, the telescopic shaft 32 of the cylinder vertically penetrates through the top of the new oil tank 30 downwards and is fixedly connected with the impeller 33, and the impeller 33 is driven by the cylinder 31 and can slide up and down. As shown in fig. 2, 6 impellers 33 are uniformly distributed on the circumference of the impeller 33, the included angle between each impeller 33 and the horizontal plane is 30 °, and the cylinder 31 drives the impellers 33 to move up and down to stir new lubricating oil, so that the sedimentation and stratification in the lubricating oil are avoided.

As shown in fig. 1, the upper end opening of the waste oil tank 20, the cross section of the waste oil tank 20 is square, the top of the waste oil tank 20 is hung with the filter funnel 40, the filter funnel 40 is made of a steel wire filter screen and is funnel-shaped, the aperture size of the filter funnel 40 is 0.1mm, the filter funnel 40 is used for filtering impurities in the waste oil, and the waste oil is convenient to recycle. The mouth of the filter funnel 40 is turned outwards to form a hanging edge, and the inner diameter of the hanging edge is equal to the side length of the cross section of the waste oil tank 20. The filter funnel 40 is hung at the opening of the waste fuel tank 20, and the filter funnel 40 is convenient to mount and dismount.

As shown in fig. 1, a rectangular parallelepiped stopper 41 is fixed below the right end of the edge of the filter funnel 40, and a rectangular parallelepiped groove that fits the stopper 41 is formed on the upper end surface of the right side wall of the waste oil tank 20. The stop 41 cooperates with the groove to prevent the filter funnel 40 from sliding relative to the waste bin.

As shown in fig. 1, an oil pump 25 is fixed on the waste oil tank 20, an inlet end of the oil pump 25 is connected with an oil pumping pipe 26, the oil pumping pipe 26 is a steel wire hose, an upper end of the oil pumping pipe 26 is fixedly connected with a sub-body of a first quick coupling, a discharging port of the yaw pitch-variable reducer is fixedly connected with a main body of the first quick coupling, and the oil pumping pipe 26 can be quickly connected and disconnected with the discharging port of the yaw pitch-variable reducer, so that the operation is convenient.

As shown in fig. 1, the outlet end of the oil pump 25 is fixedly connected with a 7-shaped oil discharge pipe 23, and the outlet of the oil discharge pipe 23 is positioned above the filter funnel 40; the waste oil pumped by the oil pump 25 flows into the waste oil tank 20 to be stored after being filtered by the filter funnel 40.

As shown in fig. 1, a drain outlet is formed at the bottom of the waste oil tank 20, a drain pipe 21 is connected to the drain outlet, and a first stop valve 22 is arranged on the drain pipe 21; the middle lower part of the waste oil tank 20 is provided with an oil discharge port which is positioned above the sewage draining port, the oil discharge port is connected with an oil discharge pipe 23, and the oil discharge pipe 23 is provided with a second stop valve 24. The filtered waste oil is settled in the waste oil tank 20, the waste oil is discharged and recycled by the oil discharge port on the upper layer, and the sediment on the bottom layer can be used for asphalt production.

The specific implementation process is as follows:

the method comprises the steps of starting an air cylinder 31, utilizing a telescopic shaft 32 of the air cylinder to stretch and drive an impeller 33 to stir new oil, then connecting an oil inlet of a yaw variable-pitch speed reducer with an oil suction pipe 34, connecting an oil discharge port of the yaw variable-pitch speed reducer with an oil pumping pipe 26, starting an oil well pump 25, pumping waste oil in the speed reducer out by the oil well pump 25, sucking the new oil in a new oil tank 30 by the oil well pump 25, after all the waste oil is pumped out, continuously sucking the new oil by the oil well pump 25 to clean and replace the speed reducer, continuously pumping the new oil into the speed reducer by the oil well pump 25, stopping the oil pumping pump 25, closing the oil inlet and the oil discharge port of the speed reducer, and stopping. Because lubricating oil is always arranged in the yaw variable-pitch speed reducer, air is not easy to enter the yaw variable-pitch speed reducer.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Driftage becomes oar reduction gear device of changing oil, its characterized in that: comprises a frame, wherein a waste oil tank and a new oil tank are fixed on the frame; an oil suction pipe is fixed in the new oil tank; a filter funnel is hung at the opening of the waste oil tank; an oil well pump is fixed on the waste oil tank, an inlet end of the oil well pump is connected with an oil pumping pipe, an outlet end of the oil well pump is connected with an oil discharge pipe, and an outlet of the oil discharge pipe is positioned above the filter funnel; an oil inlet of the yaw variable pitch speed reducer is detachably connected with an oil suction pipe; the oil discharge port of the yaw variable pitch speed reducer is detachably connected with the oil pumping pipe.

2. The yaw pitch reducer oil change device of claim 1, wherein: the aperture size of the filter funnel is 0.02-0.2 mm.

3. The yaw pitch reducer oil change device of claim 1, wherein: an oil inlet of the yaw variable pitch speed reducer is connected with an oil suction pipe through a quick connector; and an oil discharge port of the yaw variable pitch speed reducer is connected with an oil pumping pipe through a quick joint.

4. The yaw pitch reducer oil change device of claim 1, wherein: a drain outlet is formed in the bottom of the waste oil tank, a drain pipe is connected to the drain outlet, and a first stop valve is arranged on the drain pipe.

5. The yaw pitch reducer oil change device of claim 1, wherein: the lower part of the waste oil tank is provided with an oil discharge port, the oil discharge port is connected with an oil discharge pipe, and a second stop valve is arranged on the oil discharge pipe.

6. The yaw pitch reducer oil change device of claim 1, wherein: the oil suction pipe is externally sleeved with an impeller in a sliding manner, and the impeller is driven by the cylinder and can slide up and down.