CN218624515U

CN218624515U - Automatic oil temperature compensation device for gearbox of wind turbine generator

Info

Publication number: CN218624515U
Application number: CN202223147948.9U
Authority: CN
Inventors: 王玉明; 易敏文; 张娜
Original assignee: Hunan Hongzhenming Engineering Consulting Co ltd
Current assignee: Hunan Hongzhenming Engineering Consulting Co ltd
Priority date: 2022-11-27
Filing date: 2022-11-27
Publication date: 2023-03-14
Anticipated expiration: 2032-11-27

Abstract

The utility model discloses a be used for wind turbine generator system gear box oil temperature automatic compensation device belongs to wind turbine generator system technical field, and the mode that aims at solving prior art and keep gear box lubricating oil temperature in suitable within range can lead to the fact the influence to the gear box leakproofness, need slot on the gear box, and long-time the use can lead to in the dust in the air gets into the gear box, can increase the fault rate. Including cooling box, heating panel, back flow and row's of taking out pipe, fixed mounting back flow and row's of taking out pipe on the cooling box, the one end that cooling box was kept away from to row's of taking out pipe and back flow all communicates the gear box, the last fixed surface of cooling box installs the heating panel, the both sides array distribution of heating panel has the multiunit ventilation opening, the ventilation opening is seted up and is fixed with the drainage plate of arc structure in the inside portion placed in the middle of cooling box upper surface cooling box, the one end fixed connection cooling incasement wall of drainage plate. The utility model discloses both guaranteed the quality that lubricating oil used, do not influence wind turbine generator system's job schedule again.

Description

Automatic oil temperature compensation device for gearbox of wind turbine generator

Technical Field

The utility model belongs to the technical field of the wind turbine generator system, concretely relates to be used for wind turbine generator system gear box oil temperature automatic compensation arrangement.

Background

The wind generating set generally refers to a wind generating set, which is a system for converting kinetic energy of wind into electric energy and comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; the wind power generator has the functions that blades are rotated by wind power to generate electricity, a generator head rotates and the like, a gear box in the wind power generator set is one of the most important and expensive components, the main function of the wind power generator set is to transmit power generated by a wind wheel under the action of the wind power to a generator to enable the generator to obtain a corresponding rotating speed, in order to ensure the normal work of the wind power generator set, a special heat dissipation system needs to be configured for the gear box of the wind power generator set to ensure the transmission efficiency of each gear in the gear, the conventional gear box can start the heat dissipation system to cool when the oil temperature is higher than an alarm temperature, but the heat dissipation system directly dissipates heat in the gear box and adopts a mode of exhausting heat or introducing cold air, but the mode can affect the sealing performance of the gear box, grooves need to be formed in the gear box, dust in the air can enter the gear box after long-time use, and the failure rate can be increased.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

An object of the utility model is to prior art not enough, the utility model is to provide a be used for wind turbine generator system gear box oil temperature automatic compensation device aims at solving prior art and keeps the mode of gear box lubricating oil temperature in suitable within range can lead to the fact the influence to the gear box leakproofness, need slot on the gear box, and long-time the use can lead to in the dust in the air gets into the gear box, can increase the fault rate.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a such be used for wind turbine generator system gear box oil temperature automatic compensation device, including cooling box, heating panel, back flow and take out the calandria, fixed mounting back flow and take out the calandria on the cooling box, the one end that cooling box was kept away from to calandria and back flow all communicates the gear box, cooling box's last fixed surface installs the heating panel, the both sides array distribution of heating panel has multiunit ventilation opening, ventilation opening sets up at cooling box upper surface cooling box's inside middle part is fixed with the drainage plate of arc structure, the one end fixed connection cooling incasement wall of drainage plate, the other end and cooling box's the inside interval distribution of opposite side, and the interval rotates installs the closing plate, the closing plate is rotatory with the interval between drainage plate and the cooling box inside wall closed, install drive closing plate pivoted driving motor on cooling box's the outer wall. The inside vertical many heat conduction posts that are equipped with of cooling box, many heat conduction post interval distribution, and one end fixed connection drainage plate, the other end passes the cooling box and stretches out and laminate with the heating panel, when the inside oil temperature of gear box is too high, through take-out pipe 3 with the inside lubricating oil suction cooling box 1 inside of gear box, lubricating oil gets into the top of drainage plate 8 along take-out pipe 3 this moment, because the setting of drainage plate 8, so lubricating oil can not get into back flow 2 immediately, but by the separation in cooling box 1's top, back flow 2 is opened in step this moment, the inside pumping of cooling box 1 inside original storage temperature low towards the inside of gear box, in other words, the inside lubricating oil of gear box remains rated capacity all the time, can not become and also can not become less, after lubricating oil pump drainage pipe 3 stops the pump drainage, and back flow 2 also stops carrying, the lubricating oil surplus volume of cooling box 1 inside drainage plate 8 top becomes more this moment, and the lubricating oil surplus volume below of lubricating oil surplus becomes less, separate into two independent cavitys with cooling box inside lubricating oil that will cool down, make the lubricating oil that need and cool down the inside compensation get into behind the cooling box separately, the low dust contact of lubricating oil that the lubricating oil contact probability influences the clean working schedule that has been used again, the clean working schedule of lubricating oil that the speed of the use of the wind-generating set again, the speed of the low speed of the use of the wind power generation is guaranteed, the speed of the wind power generation is high efficiency again, the low speed.

Furthermore, the heat dissipation plate is provided with heat dissipation fins, and the heat dissipation plate is provided with through holes for the heat conduction columns to penetrate through. Owing to the arrangement of the heat-conducting column, the heat dissipation rate of the lubricating oil can be effectively improved.

Furthermore, a telescopic cylinder is fixedly mounted on the outer wall of one side, away from the return pipe, of the cooling box, and a telescopic end of the telescopic cylinder penetrates into the connecting piece fixedly connected inside the cooling box. The driving plate has the power of reciprocating movement due to the arrangement of the telescopic cylinder.

Furthermore, threaded mounting has the connecting block on the connecting piece, the connecting block is kept away from the one end fixedly connected with drive plate of connecting piece. Benefit from the setting and the connecting piece cooperation of connecting block for telescopic cylinder can connect the drive plate and carry out power transmission.

Furthermore, the driving plate is horizontally arranged inside the cooling box, a plurality of moving rods are fixed to the bottom end face of the driving plate, the radian of the parallel and level drainage plates of the moving rods are arranged in a staggered mode, a groove is formed in the driving plate, and the heat conduction column is located on the inner side of the groove. Thanks to the arrangement of the mobile bar, the volatilization of heat is accelerated by stirring in cooperation with the ventilation opening.

Furthermore, a guide groove is horizontally formed in the upper surface of the driving plate, and a guide block is slidably mounted inside the guide groove. Due to the matching of the guide blocks and the guide grooves, the driving plate is provided with a support point for stable transverse movement.

Furthermore, the guide block is of an inverted T-shaped structure, and one end, far away from the guide groove, of the guide block is fixedly connected with the inner wall of the top end of the cooling box.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a cooperation of drainage plate and closing plate, become two independent cavitys with cooling incasement portion separation, make need cool down and the lubricating oil of pump drainage and the inside lubricating oil of cooling back compensation entering gear box separately save, reduce the probability of lubricating oil and dust contact, promote the cleanliness factor that lubricating oil used, the quality that lubricating oil used has both been guaranteed, do not influence wind turbine generator system's job schedule again, and the setting of cooperation drive plate, increase the mobility of lubricating oil on the one hand, make it and heat conduction post increase contact range, on the other hand passes through to mix the ventilative mouthful of acceleration heat of volatilizing, the cooling effect of cooling incasement portion lubricating oil with higher speed, thereby reduce the time that lubricating oil exposes in the air, therefore, the clothes hanger is strong in practicability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a side view of the internal structure of the cooling box;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a partial perspective view of the driving plate.

The labels in the figures are: 1. a cooling box; 2. a return pipe; 3. a tube drawing and discharging tube; 4. a heat-conducting column; 5. a heat dissipation plate; 6. a ventilation opening; 7. a drive motor; 8. a drainage plate; 9. a drive plate; 10. a telescopic cylinder; 11. a closing plate; 12. a guide block; 13. a guide groove; 14. a travel bar; 15. a connecting member; 16. connecting blocks; 17. and (5) slotting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

This embodiment is a be used for wind turbine generator system gear box oil temperature automatic compensation device, its schematic structure is shown in fig. 1, including cooling box 1, heating panel 5, back flow 2 and row's of taking out pipe 3, fixed mounting back flow 2 and row's of taking out pipe 3 on cooling box 1, the one end that cooling box 1 was kept away from with back flow 2 in row's of taking out pipe 3 all communicates the gear box, cooling box 1's last fixed surface installs heating panel 5, the both sides array distribution of heating panel 5 has multiunit ventilation opening 6, ventilation opening 6 sets up at cooling box 1 upper surface.

Referring to fig. 2, the inside of cooling box 1 is fixed with the drainage plate 8 of arc structure in the middle part of living, 1 inner wall of one end fixed connection cooling box of drainage plate 8, the other end and the inside interval distribution of the opposite side of cooling box 1, and interval department rotates and installs closing plate 11, closing plate 11 is rotatory with the interval closure between drainage plate 8 and the cooling box 1 inside wall, install drive closing plate 11 pivoted driving motor 7 on cooling box 1's the outer wall, driving motor 7 drives closing plate 11 and rotates, and then lubricating oil flows towards cooling box 1's inside below along the radian of drainage plate 8, cooling box 1's inside is vertical to be equipped with many heat conduction posts 4, many heat conduction posts 4 interval distribution, and one end fixed connection drainage plate 8, the other end passes cooling box 1 and stretches out and laminates with heating panel 5. The heat dissipation plate 5 is provided with heat dissipation fins, the heat dissipation plate 5 is provided with through holes for the heat conduction columns 4 to pass through, the outer wall of one side of the cooling box 1, which is far away from the return pipe 2, is fixedly provided with a telescopic cylinder 10, and the telescopic end of the telescopic cylinder 10 penetrates into the connecting piece 15 fixedly connected inside the cooling box 1. The telescopic cylinder 10 is started to drive the driving plate 9 to move in a reciprocating manner, and the moving rod 14 at the bottom stirs lubricating oil during the movement of the driving plate 9.

Referring to fig. 3, a connecting block 16 is installed on the connecting member 15 in a threaded manner, and a driving plate 9 is fixedly connected to one end of the connecting block 16 far away from the connecting member 15. Drive plate 9 level sets up in the inside of cooling box 1, and drive plate 9's bottom face is fixed with many carriage release levers 14, and the radian of many 14 parallel and level drain plates of carriage release levers 8 is the dislocation set, and guide way 13 has been seted up to drive plate 9's upper surface still level, and the inside slidable mounting of guide way 13 has guide block 12. The guide block 12 is of an inverted T-shaped structure, and one end far away from the guide groove 13 is fixedly connected with the inner wall of the top end of the cooling box 1. The drive plate 9 is supported during movement by a sliding fit of the guide block 12 with the guide slot 13.

In addition, referring to fig. 4, the driving plate 9 has a slot 17 therein, and the heat conduction post 4 is located inside the slot 17. The driving plate 9 is displaced from the heat-conducting columns 4 during the movement.

The working principle is as follows: when the cooling box is used, firstly, the cooling box 1 is installed in a wind turbine generator, the cooling box is communicated with a gear box through a return pipe 2 and a pumping and exhausting pipe 3, when the oil temperature in the gear box is too high, lubricating oil in the gear box is pumped into the cooling box 1 through the pumping and exhausting pipe 3, the lubricating oil enters the upper part of a drainage plate 8 along the pumping and exhausting pipe 3 at the moment, due to the arrangement of the drainage plate 8, the lubricating oil cannot immediately enter the return pipe 2 but is separated above the cooling box 1, the return pipe 2 is synchronously opened at the moment, the lubricating oil with low storage temperature in the cooling box 1 is pumped and sent towards the inside of the gear box, in other words, the lubricating oil in the gear box always keeps rated capacity and cannot be increased or reduced, after one end of the pumping and exhausting of the lubricating oil, the pumping and exhausting pipe 3 stops pumping and the return pipe 2 stops conveying, at the moment, the residual quantity of the lubricating oil above the drainage plate 8 in the cooling box 1 is increased, the residual quantity of the lubricating oil below the drainage plate 8 is reduced, the lubricating oil is located above the drainage plate 8 after one end of the pumping and exhausting of the lubricating oil is led to the heat dissipation plate 5, the heat dissipation fin on the heat dissipation plate 5 to volatilize, the heat dissipation plate 4, the heat dissipation fin on the heat of a heat dissipation plate 4 is volatilized, the heat dissipation plate 4, the heat conduction column can be further driven by a heat conduction rod, the heat conduction rod to be further driven by a heat conduction rod to be stirred, and to be driven by a heat conduction rod, the heat dissipation motor in the heat conduction rod 7, and further driven by a heat dissipation motor in the heat conduction rod in the reciprocating motion of a heat conduction rod in the cooling cylinder 7, and a heat dissipation cylinder in the cooling cylinder in the process, and a heat dissipation cylinder 7, the cooling cylinder in the process of a reciprocating motion accelerating and stirring range of a heat dissipation cylinder 7, and stirring cylinder 7, and further stirring cylinder, the heat dissipation cylinder 7, the heat conduction rod in the process of the heat conduction rod in the heat conduction rod, the heat dissipation cylinder 7, and then lubricating oil flows towards the inside below of cooling case 1 along the radian of drainage plate 8, as shown in fig. 2, when lubricating oil completely flowed in cooling case 1 below, driving motor 7 drives closing plate 11 antiport, continue to become two independent cavitys with the cooperation of drainage plate 8 with cooling case 1 internal partitioning, the lubricating oil that has cooled down this moment is close to back flow 2, when carrying out the pump drainage to the inside lubricating oil of gear box once more, can use, and adopt the mode of changing the cavity to save lubricating oil, reduce the probability that lubricating oil and dust contacted, promote the cleanliness factor that lubricating oil used.

All the technical features in the embodiment can be freely combined according to actual needs.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The automatic oil temperature compensation device for the gearbox of the wind turbine generator comprises a cooling box (1), a heat dissipation plate (5), a return pipe (2) and a pumping pipe (3), and is characterized in that the return pipe (2) and the pumping pipe (3) are fixedly installed on the cooling box (1), the ends, far away from the cooling box (1), of the pumping pipe (3) and the return pipe (2) are communicated with the gearbox, the heat dissipation plate (5) is fixedly installed on the upper surface of the cooling box (1), a plurality of groups of ventilation openings (6) are distributed on two sides of the heat dissipation plate (5) in an array mode, and the ventilation openings (6) are formed in the upper surface of the cooling box (1);

a drainage plate (8) with an arc-shaped structure is fixed in the middle of the interior of the cooling box (1), one end of the drainage plate (8) is fixedly connected with the inner wall of the cooling box (1), the other end of the drainage plate and the interior of the other side of the cooling box (1) are distributed at intervals, a sealing plate (11) is rotatably installed at the interval, the sealing plate (11) rotates to close the interval between the drainage plate (8) and the inner side wall of the cooling box (1), and a driving motor (7) for driving the sealing plate (11) to rotate is installed on the outer wall of the cooling box (1);

the inside of cooling box (1) is vertical to be equipped with many heat conduction post (4), many heat conduction post (4) interval distribution, and one end fixed connection drainage plate (8), the other end passes cooling box (1) and stretches out and laminate with heating panel (5).

2. The automatic oil temperature compensation device for the gearbox of the wind turbine generator system as claimed in claim 1, wherein the heat dissipation plate (5) is provided with heat dissipation fins, and the heat dissipation plate (5) is provided with through holes for the heat conduction columns (4) to pass through.

3. The automatic oil temperature compensation device for the wind turbine generator gearbox is characterized in that a telescopic cylinder (10) is fixedly mounted on the outer wall of one side, away from the return pipe (2), of the cooling box (1), and a connecting piece (15) is fixedly connected to the telescopic end of the telescopic cylinder (10) penetrating into the cooling box (1).

4. The automatic oil temperature compensation device for the gearbox of the wind turbine generator system as claimed in claim 3, wherein a connecting block (16) is installed on the connecting piece (15) in a threaded mode, and a driving plate (9) is fixedly connected to one end, far away from the connecting piece (15), of the connecting block (16).

5. The automatic oil temperature compensating device for the wind turbine gearbox is characterized in that the driving plate (9) is horizontally arranged inside the cooling box (1), a plurality of moving rods (14) are fixed to the bottom end face of the driving plate (9), the radian of the plurality of moving rods (14) flush with the drainage plate (8) is staggered, a slot (17) is formed in the driving plate (9), and the heat conducting columns (4) are located on the inner side of the slot (17).

6. The automatic oil temperature compensating device for the gearbox of the wind turbine generator system as claimed in claim 5, wherein a guide groove (13) is further horizontally formed in the upper surface of the driving plate (9), and a guide block (12) is slidably mounted inside the guide groove (13).

7. The automatic oil temperature compensation device for the gearbox of the wind turbine generator according to claim 6, wherein the guide block (12) is of an inverted T-shaped structure, and one end, far away from the guide groove (13), of the guide block is fixedly connected with the inner wall of the top end of the cooling box (1).