CN213540640U - Floating type hydraulic lubricating and cooling system for wind generating set - Google Patents

Abstract

The utility model discloses a floating type wind generating set hydraulic lubrication cooling system, which is integrally arranged on a yawing system of a wind generating set and can synchronously rotate along with the yawing system, the hydraulic lubrication cooling system is shared by a gear box and a generator of the wind generating set, and an oil tank of the hydraulic lubrication cooling system integrally comprises a lubricating oil tank part and a hydraulic oil tank part; the lubricating oil tank and the hydraulic oil tank are respectively divided into a plurality of small chambers by a plurality of partition plates so as to reduce the impact of oil on the tank body, an oil suction pipe extending into the bottom of each small chamber is respectively arranged in each small chamber, and a plurality of small holes are respectively formed in the upper side and the lower side of each partition plate. The utility model discloses effectively solved and floated formula wind generating set when rocking waiting work operating condition in the face of the slope, very easily caused fluid to reveal, the problem of sealed harmfully to and the difficult problem of maintaining of unit.

Description

Floating type hydraulic lubricating and cooling system for wind generating set

Technical Field

The utility model belongs to the technical field of the technique of renewable new forms of energy wind power generation fan group and specifically relates to indicate a showy formula wind generating set hydraulic pressure lubrication cooling system.

Background

The quantity of offshore wind power is huge, and the large-scale development of offshore wind power becomes one of important ways for realizing national energy structure adjustment and energy conservation and emission reduction targets. The wind resource of the deep water area is far higher than that of the shallow water area, the construction of the deep water fixed pile foundation is difficult, the cost is high, and the application research of the floating type fan is imperative. At present, the research field of the floating type fan is gradually started to enter in China.

Compared with a fixed fan, the floating fan has the following advantages and disadvantages:

the advantages are that: floating fans gradually show their advantage starting at water depths greater than 50 meters. The floating foundation can be built at a wharf, and a fan is installed to directly tow to a machine position, so that the offshore operation time is greatly shortened, and the influence of an offshore window period is extremely small. And the floating foundation can reduce offshore operation to the maximum extent, and completely avoid the problems of high offshore surveying cost, high underwater structure cost, high construction cost, insufficient resources of a pile driving ship and a hoisting ship and the like at present, further accelerate the construction speed of a wind field and improve the overall economy of offshore projects.

The disadvantages are as follows: the existing floating type fan is developed and designed based on a fixed foundation, but the unit operation limiting boundary condition of the traditional fixed fan is not suitable for deep and distant sea areas, the unit is under the mixed action of complex loads such as sea wind, surge, ocean current and mooring systems, the operation limiting working condition of the unit is more complex than that of the fixed fan, if the unit faces the working operation conditions such as larger inclined shaking and the like, the generating efficiency of the unit is easily influenced greatly, and therefore the floating type fan is required to have the adaptive capacity of larger inclination angle and acceleration, on the other hand, the floating type fan is far away from the coast, the unit is not easy to operate and maintain, the unit is required to be maintained less or even the unit is not required to be maintained, and therefore higher requirements are provided for the operation reliability of.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a float formula wind generating set hydraulic pressure lubrication cooling system, effectively solved because float formula wind generating set's unit operation restriction operating mode compare in fixed fan more complicated, when the unit rocks the operating condition such as in the face of the slope, very easily cause fluid to reveal, the problem of sealed harmfully to and the difficult problem of maintaining of unit.

In order to achieve the above object, the present invention provides a technical solution: a hydraulic lubrication cooling system of a floating wind generating set is integrally arranged on a yaw system of the wind generating set and can synchronously rotate along with the yaw system, the hydraulic lubrication cooling system is shared by a gear box and a generator of the wind generating set, an oil tank of the hydraulic lubrication cooling system integrally comprises a lubricating oil tank part and a hydraulic oil tank part, the lubricating oil tank provides forced injection lubrication for the gear box and the generator of the set through an oil pipeline, and the hydraulic oil tank is used for providing hydraulic oil for yaw braking and high-speed shaft braking of the set; the lubricating oil tank and the hydraulic oil tank are respectively divided into a plurality of small chambers through a plurality of partition plates, so that the impact of oil on the tank body is reduced, an oil suction pipe stretching into the bottom of each small chamber is respectively arranged in each small chamber, effective lubrication of a large-inclination-angle working condition unit is guaranteed, and a plurality of small holes are respectively formed in the upper side and the lower side of each partition plate, so that the circulation of the oil in the adjacent small chambers is guaranteed.

Further, the side of lubricating-oil tank is equipped with the oil return import, the oil return import is through oil return hose connection oil return pipe, just the both ends of oil return pipe have the difference in height to prevent the fluid refluence of the lubricating-oil tank of refluencing.

Furthermore, the yaw system is equipped with the altitude mixture control flange to be located the below of oil return hose, it is equipped with the difference in height to return oil pipe and return oil import, and then adjusts the difference in height of returning oil pipe and return oil import through the height of adjusting the altitude mixture control flange.

Further, the oil return pipe is a metal piece, and the oil return hose is a rubber piece.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

1. the utility model discloses a hydraulic lubrication cooling system can provide high-efficient lubrication and hydraulic braking force for the unit to reduce the maintenance operation of the key big part of unit driving chain (gear box, generator), reach non-maintaining design even.

2. Through adopting the utility model discloses a hydraulic lubrication cooling system can further widen the operation adaptation boundary condition of unit, through the mode that adopts the jet lubrication backward flow oil tank, effectively solves the unit and rocks and the sealed problem under the acceleration operating mode at great inclination, can not produce fluid and reveal, sealed risk such as bad, guarantees the reliable operation of unit, and the suitability is strong, and economic nature is good, provides the reference for follow-up darker more marine showy formula wind generating set adaptability promotion.

Drawings

Fig. 1 is a schematic diagram of a hydraulic lubrication cooling system of the present invention disposed on a machine set.

Fig. 2 is a schematic structural diagram of an oil tank of the hydraulic lubrication cooling system of the present invention.

Fig. 3 is a top view of the oil tank of the hydraulic lubrication cooling system of the present invention.

Fig. 4 is an internal structure view of the oil tank of the hydraulic lubrication cooling system of the present invention.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

As shown in fig. 1 to 4, the floating type hydraulic lubricating and cooling system of a wind generating set according to the present embodiment is integrally installed on a yaw system 10 of the wind generating set and can synchronously rotate with the yaw system 10, the hydraulic lubricating and cooling system is shared by a gear box 8 and a generator 9 of the wind generating set, an oil tank of the hydraulic lubricating and cooling system integrally includes two parts, namely a lubricating oil tank 1 part and a hydraulic oil tank 2 part, respectively, the lubricating oil tank 1 provides forced injection lubrication for the gear box 8 and the generator 9 of the set through an oil pipeline, and the hydraulic oil tank 2 is used for providing hydraulic oil for yaw braking and high-speed shaft braking of the set; the lubricating oil tank 1 and the hydraulic oil tank 2 are internally divided into a plurality of small chambers through a plurality of partition plates 4 respectively so as to reduce the impact of oil on the tank body, an oil suction pipe extending into the bottom of each small chamber is arranged in each small chamber respectively and used for ensuring the effective lubrication of a large-inclination-angle working condition unit, wherein an oil suction pipe 301 is arranged in the lubricating oil tank 1, an oil suction pipe 302 is arranged in the hydraulic oil tank 2, a plurality of small holes 401 for the circulation of oil are processed on the upper side and the lower side of each partition plate 4 respectively, the oil tanks are divided into a plurality of small chambers through the partition plates 4, so that the oil in the oil tanks can not violently shake and generate large impact when the unit operates at an inclination angle or acceleration, meanwhile, the oil in the oil tanks can moderately provide buffer damping for the unit, the natural frequency of the unit is moderately.

Wherein the side of lubricating-oil tank 1 is equipped with return oil import 101, return oil import 101 connects back oil pipe 6 (for stainless steel) through return oil hose 5 (for rubber material), the both ends that return oil pipe 6 has the difference in height that prevents the fluid backward flow, and will return pipe 6 also sets up the difference in height with return oil import 101, and concrete mode is: the height adjusting flange 7 is arranged on the yawing system 10, the height adjusting flange 7 is positioned below the oil return hose 5, and the height difference between the oil return pipe 6 and the oil return inlet 101 is adjusted by adjusting the height of the height adjusting flange 7, so that the backflow of the oil liquid flowing back to the lubricating oil tank 1 is prevented.

When the hydraulic lubrication cooling system provides forced injection lubrication for the gear box 8 and the generator 9, oil in the lubrication oil tank 1 sequentially passes through the oil suction pipe 3, the fine filtering device of the hydraulic lubrication cooling system and the oil pipeline to be sprayed to the gear box 8 and the corresponding lubrication point position of the generator 9 after being filtered by the pump station of the hydraulic lubrication cooling system, the cleanliness of the lubrication oil is guaranteed through the fine filtering device, meanwhile, the oil can be efficiently radiated, impurities in components can be effectively discharged, then the oil flows back to the lubrication oil tank 1 through the oil return pipe 6, the corresponding lubrication point can be reliably lubricated by adopting a forced injection lubrication backflow mode, and the operation environment of each component is guaranteed, so that the operation reliability of the whole machine is improved, the maintenance frequency of the unit is reduced, and the maintenance-free purpose of the unit is even achieved.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims (4)

1. The utility model provides a float lubricated cooling system of formula wind generating set hydraulic pressure which characterized in that: the hydraulic lubricating and cooling system is integrally arranged on a yaw system of the wind generating set and can synchronously rotate along with the yaw system, the hydraulic lubricating and cooling system is shared by a gear box and a generator of the wind generating set, an oil tank of the hydraulic lubricating and cooling system integrally comprises a lubricating oil tank part and a hydraulic oil tank part, the lubricating oil tank provides forced injection lubrication for the gear box and the generator of the set through oil pipelines, and the hydraulic oil tank is used for providing hydraulic oil for yaw braking and high-speed shaft braking of the set; the lubricating oil tank and the hydraulic oil tank are respectively divided into a plurality of small chambers through a plurality of partition plates, so that the impact of oil on the tank body is reduced, an oil suction pipe stretching into the bottom of each small chamber is respectively arranged in each small chamber, effective lubrication of a large-inclination-angle working condition unit is guaranteed, and a plurality of small holes are respectively formed in the upper side and the lower side of each partition plate, so that the circulation of the oil in the adjacent small chambers is guaranteed.

2. The floating wind turbine generator system hydraulic lubrication cooling system according to claim 1, wherein: the side of lubricating-oil tank is equipped with the oil return import, the oil return import is through oil return hose connection oil return pipe, just the both ends of oil return pipe have the difference in height to prevent the fluid refluence of the lubricating-oil tank of flowing back.

3. The floating wind turbine generator system hydraulic lubrication cooling system according to claim 2, wherein: the yaw system is provided with a height adjusting flange and is located below the oil return hose, the height difference between the oil return pipe and the oil return inlet is formed, and the height difference between the oil return pipe and the oil return inlet is adjusted by adjusting the height of the height adjusting flange.

4. The floating wind turbine generator system hydraulic lubrication cooling system according to claim 2, wherein: the oil return pipe is a metal piece, and the oil return hose is a rubber piece.

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