CN216381738U

CN216381738U - Suspended ceiling extension type multifunctional wind power generator cabin cover

Info

Publication number: CN216381738U
Application number: CN202122431688.7U
Authority: CN
Inventors: 连征; 王轩; 盖秀春
Original assignee: Eulikind Tianjin Technology Co Ltd
Current assignee: Eulikind Tianjin Technology Co Ltd
Priority date: 2021-10-10
Filing date: 2021-10-10
Publication date: 2022-04-26
Anticipated expiration: 2031-10-10

Abstract

The utility model aims to provide a ceiling extension type multifunctional wind turbine cabin cover, which is characterized in that: the device comprises an upper shell and a lower shell, wherein the upper shell is provided with a sliding platform mechanism, an operating platform lifting mechanism and a control cabinet, the sliding platform mechanism consists of two sliding rails and a sliding top cover, the operating platform lifting mechanism consists of a high-altitude platform, four guardrails and four lifting driving mechanisms, and each guardrail consists of a plurality of square tube telescopic stand columns and two enclosure plates; the whole lateral horizontal sliding of the sliding top cover can be realized, the lifting change of the position in the vertical height direction can be realized by the operating platform accommodated at the lower part of the sliding top cover, the height of the guardrail arranged at the edge of the operating platform can be adjusted, the operation platform is used for maintaining, maintaining and cleaning a tower barrel and a cabin of the wind driven generator, and meanwhile, large materials can be transported to the inside of the cabin, so that the safety of field maintenance, maintenance and cleaning personnel operating outside the cabin is improved.

Description

Suspended ceiling extension type multifunctional wind power generator cabin cover

Technical Field

The utility model relates to the technical field of wind power generator cabin covers, in particular to a suspended ceiling extension type multifunctional wind power generator cabin cover.

Background

Under the promotion of continuous perfection of wind power technology, the global wind power generation capacity is continuously increased, and in addition, the attention degree of governments to wind power generation is continuously improved, so that the global wind power installed capacity is remarkably improved. And each installed fan needs to be periodically maintained and cleaned, the maintenance and cleaning work includes not only the operation on the cabin and the interior of the tower drum, but also the operation on the exterior of the cabin, and when working on the exterior of the cabin, on-site workers basically lift the cabin by individuals to realize maintenance and repair operations, the operation has extremely high risk coefficient and poor safety, and is a very dangerous operation mode, and the safer operation mode adopts a tower drum climbing machine which is more complicated to install, complex to operate and higher in cost; in view of the above, a safe, convenient and efficient solution needs to be redesigned to provide a safe and reliable operation platform for field construction personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional wind driven generator cabin cover which adopts an extension type sliding platform structure design in a suspended ceiling, can realize lateral horizontal sliding of a sliding top cover, can realize position lifting change in the vertical height direction of an operating platform accommodated at the lower part of the sliding top cover, can perform height adjustment on a guardrail arranged at the edge position of the operating platform, is used for performing maintenance, maintenance and cleaning work on a tower barrel and a cabin of a wind driven generator, can also transport large materials to the interior of the cabin, improves the safety of field maintenance, maintenance and cleaning personnel operating outside the cabin, and is more convenient and faster to integrally accommodate, and firmer and more reliable to operate.

The technical scheme of the utility model is as follows: the utility model provides a multi-functional type wind turbine cabin cover of furred ceiling extension formula which characterized in that: the sliding device comprises an upper shell and a lower shell, wherein the lower shell is positioned at the lower part of the upper shell, the lower shell is fixedly connected with the upper shell, the upper shell is also provided with a sliding platform mechanism, an operating platform lifting mechanism and a control cabinet, the sliding platform mechanism is positioned at one side of the upper shell, the sliding platform mechanism is movably connected with the upper shell, the sliding platform mechanism consists of two sliding rails and a sliding top cover, the two sliding rails are horizontally and parallelly positioned at the lower part of the upper shell in a mirror image structure, the two sliding rails are both fixedly connected with the upper shell, any sliding rail consists of an outer sliding rail, an inner sliding rail and an electric control sliding rail driver, the outer sliding rail is positioned at the lower part of the upper shell, the outer sliding rail is fixedly connected with the upper shell, the inner sliding rail is positioned at the inner side of the outer sliding rail, the inner sliding rail is movably connected with the outer sliding rail, and the sliding top cover is positioned at the upper part of the inner sliding rail, the utility model discloses a sliding top cover, including sliding top cover, automatically controlled slide rail driver, sliding top cover, operation platform elevating system, control cabinet, slide rail driver, sliding top cover, interior slide rail are fixed connection, automatically controlled slide rail driver is located the one end of the outer slide rail of keeping away from the sliding top cover and the hookup location department of last casing, automatically controlled slide rail driver is fixed connection with outer slide rail, and automatically controlled slide rail driver utilizes the circuit and is connected with the switch board, still be equipped with the window lid on the sliding top cover, the window lid is located the upper portion of sliding top cover, the window lid is connected for dismantling with the sliding top cover, operation platform elevating system is located the lower part of sliding platform mechanism, operation platform elevating system is swing joint with the sliding platform mechanism, the switch board is located the inboard of casing down, the switch board is fixed connection with lower casing.

Furthermore, the electric control slide rail drivers are all servo motor driven tractors.

Further, the operating platform lifting mechanism consists of a high-altitude platform, four guardrails and four lifting driving mechanisms, the high-altitude platform is positioned at the lower part of the sliding top cover and is movably connected with the sliding top cover, the four guardrails are respectively positioned at four edge positions at the upper part of the high-altitude platform, the four guardrails are all fixedly connected with the high-altitude platform, any guardrail consists of a plurality of square tube telescopic stand columns and two surrounding baffles, the square tube telescopic stand columns are upper and lower sleeved aluminum alloy square tubes, the plurality of square tube telescopic stand columns are horizontally distributed at the edge positions at the upper part of the high-altitude platform in parallel at the same interval and are in a straight structure, the plurality of square tube telescopic stand columns are all fixedly connected with the high-altitude platform, the two surrounding baffles are horizontally and parallelly positioned at the upper and lower edge positions of the plurality of square tube telescopic stand columns respectively, two fenders all are fixed connection with a plurality of square pipe telescopic column, arbitrary still be equipped with the fixed pin on the square pipe telescopic column, the fixed pin is located the hookup location department of the upper and lower suit formula aluminum alloy side pipe of square pipe telescopic column, the fixed pin is detachable connections with square pipe telescopic column, four lifting drive mechanism evenly distributed are in the side of two interior slide rails, four lifting drive mechanism all are fixed connection with two interior slide rails.

And furthermore, any lifting driving mechanism consists of a lifting driver and a lifting rope, the lifting driver is positioned on the side surface of the inner slide rail and is fixedly connected with the inner slide rail, the lifting driver is connected with the control cabinet by a circuit, the lifting rope is positioned on the lower part of the lifting driver, one end of the lifting rope is fixedly connected with the lifting driver, the other end of the lifting rope is fixedly connected with the high-altitude platform, the lifting drivers are all servo motor driving devices, and the lifting rope is a steel wire rope or a chain.

And furthermore, the high-altitude platform is a glass steel plate with a reinforcing rib structure.

Still further, the fixed pin is the screw revolves to twist formula holding pin.

Still further, the enclosure baffle is made of glass fiber reinforced plastic.

The utility model has the beneficial effects that: this multi-functional type wind power generation cabin adopts extension formula sliding platform structural design at the furred ceiling, can realize the side direction horizontal slip of slip top cap, the operation platform of accomodating in slip top cap lower part can realize the lift change of position on the vertical height direction, the guardrail that is equipped with in operation platform border position department can carry out altitude mixture control, a tower section of thick bamboo and cabin for to wind power generation machine maintain, maintain and the clearance work, can also be to the inside transportation major part material in cabin simultaneously, the field maintenance has been improved, the security of maintenance and clear personnel operation outside the cabin, wholly accomodate convenient and fast more, the operation is more firm reliable.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic view of the present invention in an unfolded state.

Fig. 3 is a partially enlarged structural schematic view of the sliding top cover of the present invention in an unfolded state along the sliding rail.

Fig. 4 is a schematic side view of the slide rail according to the present invention in a closed state.

Fig. 5 is a schematic side view of the slide rail according to the present invention in an unfolded state.

Fig. 6 is a schematic structural view of the operating platform lifting mechanism of the present invention.

Fig. 7 is a schematic view of a partially enlarged structure of the square tube telescopic pillar according to the present invention.

Fig. 8 is a schematic view of the sliding platform mechanism of the present invention in a closed state.

Fig. 9 is a schematic view of the open state of the sliding platform mechanism according to the present invention.

Fig. 10 is a schematic view illustrating an opened state of the window cover according to the present invention.

Fig. 11 is a schematic view of the lowering state of the operating platform lifting mechanism of the present invention.

Fig. 12 is a schematic view of the expansion state of the square tube telescopic pillar according to the present invention.

Fig. 13 is a partially enlarged structural schematic view of the expansion state of the square tube telescopic pillar according to the present invention.

Wherein: 1. upper shell 2, lower shell 3 and sliding platform mechanism

4. Slide rail 5, slide top cover 6, outer slide rail

7. Inner slide rail 8, electric control slide rail driver 9 and operation platform lifting mechanism

10. High altitude platform 11, guardrail 12, square tube telescopic column

13. Fixing pin 14, enclosure plate 15 and lifting driving mechanism

16. Lifting driver 17, lifting rope 18 and control cabinet

19. Window cover

Detailed Description

The following provides a brief description of embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, a ceiling extended multi-functional wind turbine nacelle cover is characterized in that: the multifunctional sliding cabinet comprises an upper shell 1 and a lower shell 2, wherein the lower shell 2 is positioned at the lower part of the upper shell 1, the lower shell 2 is fixedly connected with the upper shell 1, the upper shell 1 is also provided with a sliding platform mechanism 3, an operating platform lifting mechanism 9 and a control cabinet 18, the sliding platform mechanism 3 is positioned at one side of the upper shell 1, the sliding platform mechanism 3 is movably connected with the upper shell 1, the sliding platform mechanism 3 consists of two sliding rails 4 and a sliding top cover 5, the two sliding rails 4 are horizontally and parallelly positioned at the lower part of the upper shell 1 in a mirror image structure, the two sliding rails 4 are fixedly connected with the upper shell 1, any sliding rail 4 consists of an outer sliding rail 6, an inner sliding rail 7 and an electric control sliding rail driver 8, the outer sliding rail 6 is positioned at the lower part of the upper shell 1, the outer sliding rail 6 is fixedly connected with the upper shell 1, the inner sliding rail 7 is positioned at the inner side of the outer sliding rail 6, the inner slide rail 7 and the outer slide rail 6 are movably connected, the slide top cover 5 is positioned on the upper portion of the inner slide rail 7, the slide top cover 5 and the inner slide rail 7 are fixedly connected, the electric control slide rail driver 8 is positioned at the connecting position of one end of the outer slide rail 6 far away from the slide top cover 5 and the upper shell 1, the electric control slide rail driver 8 and the outer slide rail 6 are fixedly connected, the electric control slide rail driver 8 is connected with the control cabinet 18 by a circuit, the slide top cover 5 is further provided with a window cover 19, the window cover 19 is positioned on the upper portion of the slide top cover 5, the window cover 19 is detachably connected with the slide top cover 5, the operation platform lifting mechanism 9 is positioned on the lower portion of the slide platform mechanism 3, the operation platform lifting mechanism 9 is movably connected with the slide platform mechanism 3, the control cabinet 18 is positioned on the inner side of the lower shell 2, and the control cabinet 18 is fixedly connected with the lower shell 2, operation platform elevating system 9 comprises high altitude platform 10, four guardrails 11 and four lifting drive mechanism 15, high altitude platform 10 is located the lower part of slip top cap 5, high altitude platform 10 is swing joint with slip top cap 5, four guardrails 11 are located four border position departments on high altitude platform 10 upper portion respectively, four guardrails 11 all are fixed connection with high altitude platform 10, arbitrary guardrail 11 comprises a plurality of square pipe flexible stand 12 and two fenders 14, square pipe flexible stand 12 is upper and lower suit formula aluminum alloy side pipe, the same distance in interval is the border position department on high altitude platform 10 upper portion between a plurality of square pipe flexible stand 12, a plurality of square pipe flexible stand 12 all are fixed connection with high altitude platform 10, two fenders 14 horizontal parallel are located the upper part of a plurality of square pipe flexible stand 12 respectively, The lower edge position, the two fenders 14 are fixedly connected with a plurality of square tube telescopic columns 12, any square tube telescopic column 12 is further provided with a fixing pin 13, the fixing pin 13 is positioned at the connecting position of an upper sleeved aluminum alloy square tube and a lower sleeved aluminum alloy square tube of the square tube telescopic column 12, the fixing pin 13 is detachably connected with the square tube telescopic column 12, the four lifting driving mechanisms 15 are uniformly distributed on the side surfaces of the two inner slide rails 7, the four lifting driving mechanisms 15 are fixedly connected with the two inner slide rails 7, any lifting driving mechanism 15 is composed of a lifting driver 16 and a lifting rope 17, the lifting driver 16 is positioned on the side surface of the inner slide rail 7, the lifting driver 16 is fixedly connected with the inner slide rails 7, the lifting driver 16 is connected with a control cabinet 18 by a circuit, and the lifting rope 17 is positioned on the lower part of the lifting driver 16, one end of the lifting rope 17 is fixedly connected with the lifting driver 16, and the other end of the lifting rope 17 is fixedly connected with the high-altitude platform 10. And the electric control slide rail drivers 8 are all servo motor driven tractors. The high-altitude platform 10 is a glass steel plate with a reinforcing rib structure. The fixing pins 13 are all screw-in fastening pins. The enclosure plates 14 are all made of glass steel materials. The lifting drivers 16 are all servo motor driving devices. The hoisting ropes 17 are all steel wire ropes or chains.

The working mode is as follows: this multi-functional type wind power generation cabin mainly includes casing 1 and casing 2 down, this go up casing 1 and casing 2 amalgamation equipment from top to bottom down, aerogenerator's cabin body structure has been constituted, still be equipped with sliding platform mechanism 3 on last casing 1, operation platform elevating system 9 and switch board 18, wherein, sliding platform mechanism 3 comprises two slide rails 4 and slip top cap 5, an expansion release and recovery amalgamation for operation platform elevating system 9, and operation platform elevating system 9 is then by aerial platform 10, four guardrails 11 and four lift actuating mechanism 15 are constituteed, a landing and the lift of user are transferred, so that maintain and the clearance operation to aerogenerator's a tower section of thick bamboo and blade, concrete operation steps are as follows:

step one, unfolding a sliding platform mechanism: firstly, after the wind driven generator is shut down and the main shaft is locked, an operator in the lower shell 2 controls two electric control slide rail drivers 8 at the end positions of two slide rails 4 to operate by using a control cabinet 18 on the premise of determining that no potential safety hazard exists outside the top, each slide rail 4 consists of an outer slide rail 6, an inner slide rail 7 and an electric control slide rail driver 8, wherein, the outer slide rail 6 is fixedly arranged at the lower part of the upper shell 1, the inner slide rail 7 is arranged at the inner side of the outer slide rail 6, and the sliding top cover 5 is arranged on the inner slide rail 7, the electric control slide rail drivers 8 adopt servo motors to drive the tractors, so that the operation is synchronous and consistent, the inner slide rails 7 corresponding to the two electric control slide rail drivers 8 are driven to extend outwards along the outer slide rails 6, this allows the sliding roof 5 to be opened laterally along the two rails 4 of the upper housing 1 in preparation for the smooth descent of the aerial platform 10.

Step two, the remote control operation platform descends a little distance: the inside operating personnel of lower casing 2 utilizes switch board 18 to control each lift actuating mechanism 15 on every interior slide rail 7, every lift actuating mechanism 15 comprises lift driver 16 and lifting rope 17, these lift driver 16 all adopt servo motor drive arrangement, when making the operation synchronous unanimous, let lifting rope 17's lift control more steady, every lifting rope 17 all adopts steel wire rope or chain, be used for accomodating operation platform elevating system 9 in the lower part of slip top cap 5 and hoist, through the control system among the switch board 18 with operation platform elevating system 9 along a vertical direction one section distance that descends, the optimum height interval of decline is 1.0 meter ~ 1.5 meters.

Step three, opening a window cover by constructors to enter an operation platform: this operation platform elevating system 9 comprises high altitude platform 10, four guardrails 11 and four lift actuating mechanism 15, treats that whole operation platform elevating system 9 descends a section distance and finishes the back, and constructor enters into the higher authority of slip top cap 5 from the inside of casing 2 down through the cat ladder, and then, constructor opens the window lid 19 on slip top cap 5 upper portion, enters into high altitude platform 10 from the higher authority of slip top cap 5.

Step four, adjusting the guardrail of the platform to the highest position: in order to ensure the operation safety of the operation platform lifting mechanism 9, the guardrails 11 on the high-altitude platform 10 need to be adjusted, four edge positions at the upper part of the high-altitude platform 10 are respectively provided with one guardrail 11, each guardrail 11 consists of a plurality of square tube telescopic upright columns 12 and two baffle plates 14, the square tube telescopic upright columns 12 are horizontally and parallelly distributed at the edge position at the upper part of the high-altitude platform 10 at the same interval in a straight structure, each square tube telescopic upright column 12 adopts an upper sleeving type aluminum alloy square tube and a lower sleeving type aluminum alloy square tube, the two baffle plates 14 are horizontally and parallelly arranged at the upper edge position and the lower edge position of the square tube telescopic upright columns 12 respectively and are used for shielding constructors, each square tube telescopic upright column 12 is also provided with a fixing pin 13, the fixing pin 13 is arranged at the connecting position of the upper sleeving type aluminum alloy square tube and the lower sleeving type aluminum alloy square tube of the square tube telescopic upright columns 12, every fixed pin 13 adopts the screw to revolve wrong formula holding pin, can carry out height adjustment to the flexible stand 12 of square pipe, when construction operation, improves guardrail 11 to the highest point to it is firm to utilize the quick locking of fixed pin 13, dies the flexible stand 12 lock of each square pipe of guardrail 11.

And step five, continuously descending the operation platform until the operation platform reaches the construction position: an operator in the lower shell 2 uses the control cabinet 18 to control the lifting driver 16 in each lifting driving mechanism 15 on each inner slide rail 7 to move downwards, and the lifting rope 17 in each lifting driver 16 is released, so that the whole operating platform lifting mechanism 9 vertically and stably descends to the construction position, because the lifting driver 16 adopts a servo motor driving device, the lifting stability of the high-altitude platform 10 is ensured, and can be stopped at any height, so that a constructor can perform maintenance and cleaning work on the tower and the blade of the wind driven generator at the current stop position in the high-altitude platform 10, the high altitude platform 10 adopts a glass steel material plate with a reinforcing rib structure, so that the support is firmer, and each enclosure baffle plate 14 is made of glass steel plates, so that the enclosure baffle plate is firm and reliable, and the whole operation platform lifting mechanism 9 is lighter and firmer.

Step six, lifting the operation platform and resetting the guardrail after finishing construction: after a constructor finishes maintenance and cleaning operation on a tower barrel and blades of the wind driven generator, an operator in the lower shell 2 controls a lifting driver 16 in each lifting driving mechanism 15 on each inner sliding rail 7 to move upwards by using a control cabinet 18, so that each lifting driver 16 withdraws each lifting rope 17, the whole operation platform lifting mechanism 9 is vertically lifted and reaches the position of one side of the lower shell 2, then, the operator unlocks a fixing pin 13 in each square tube telescopic upright post 12, and the guardrail 11 is restored and recovered from the highest height position.

Seventhly, withdrawing the constructor from the operation platform and plugging the window cover: the constructor withdraws from the high altitude platform 10 to the upper part of the sliding roof 5 by means of the ladder and blocks the sliding roof 5 by means of the window cover 19, and after the blocking of the window cover 19 is completed, the constructor withdraws from the upper part of the sliding roof 5 into the lower casing 2 by means of the ladder.

Step eight, recovering and resetting the operating platform: after the constructors are completely evacuated to the lower shell 2, the operators inside the lower shell 2 use the control cabinet 18 to control the lifting drivers 16 in the lifting driving mechanisms 15 on each inner slide rail 7 to continuously move upwards, so that the whole operation platform lifting mechanism 9 is accommodated at the lower part of the sliding top cover 5, and the recovery and the reset are completed.

Step nine, the sliding platform mechanism is closed and reset: an operator in the lower shell 2 controls the two electric control slide rail drivers 8 at the end positions of the two slide rails 4 to operate by using the control cabinet 18, and under the driving of the two electric control slide rail drivers 8, the inner slide rail 7 in each slide rail 4 is inwards recovered along the outer slide rail 6, so that the sliding top cover 5 and the upper shell 1 are reset and folded, and the whole set of operation is completed.

This multi-functional type wind power generation cabin adopts extension formula sliding platform structural design at the furred ceiling, can realize the side direction horizontal slip of slip top cap, the operation platform of accomodating in slip top cap lower part can realize the lift change of position on the vertical height direction, the guardrail that is equipped with in operation platform border position department can carry out altitude mixture control, a tower section of thick bamboo and cabin for to wind power generation machine maintain, maintain and the clearance work, can also be to the inside transportation major part material in cabin simultaneously, the field maintenance has been improved, the security of maintenance and clear personnel operation outside the cabin, wholly accomodate convenient and fast more, the operation is more firm reliable.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", "end", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a multi-functional type wind turbine cabin cover of furred ceiling extension formula which characterized in that: the sliding device comprises an upper shell and a lower shell, wherein the lower shell is positioned at the lower part of the upper shell, the lower shell is fixedly connected with the upper shell, the upper shell is also provided with a sliding platform mechanism, an operating platform lifting mechanism and a control cabinet, the sliding platform mechanism is positioned at one side of the upper shell, the sliding platform mechanism is movably connected with the upper shell, the sliding platform mechanism consists of two sliding rails and a sliding top cover, the two sliding rails are horizontally and parallelly positioned at the lower part of the upper shell in a mirror image structure, the two sliding rails are both fixedly connected with the upper shell, any sliding rail consists of an outer sliding rail, an inner sliding rail and an electric control sliding rail driver, the outer sliding rail is positioned at the lower part of the upper shell, the outer sliding rail is fixedly connected with the upper shell, the inner sliding rail is positioned at the inner side of the outer sliding rail, the inner sliding rail is movably connected with the outer sliding rail, and the sliding top cover is positioned at the upper part of the inner sliding rail, the utility model discloses a sliding top cover, including sliding top cover, automatically controlled slide rail driver, sliding top cover, operation platform elevating system, control cabinet, slide rail driver, sliding top cover, interior slide rail are fixed connection, automatically controlled slide rail driver is located the one end of the outer slide rail of keeping away from the sliding top cover and the hookup location department of last casing, automatically controlled slide rail driver is fixed connection with outer slide rail, and automatically controlled slide rail driver utilizes the circuit and is connected with the switch board, still be equipped with the window lid on the sliding top cover, the window lid is located the upper portion of sliding top cover, the window lid is connected for dismantling with the sliding top cover, operation platform elevating system is located the lower part of sliding platform mechanism, operation platform elevating system is swing joint with the sliding platform mechanism, the switch board is located the inboard of casing down, the switch board is fixed connection with lower casing.

2. The ceiling extension type multifunctional wind turbine nacelle cover of claim 1, wherein: and the electric control slide rail drivers are all servo motor driven tractors.

3. The ceiling extension type multifunctional wind turbine nacelle cover of claim 1, wherein: the operation platform lifting mechanism consists of a high-altitude platform, four guardrails and four lifting driving mechanisms, the high-altitude platform is positioned at the lower part of a sliding top cover and movably connected with the sliding top cover, the four guardrails are respectively positioned at four edge positions at the upper part of the high-altitude platform, the four guardrails are all fixedly connected with the high-altitude platform, any guardrail consists of a plurality of square tube telescopic stand columns and two surrounding baffles, the square tube telescopic stand columns are upper and lower sleeved aluminum alloy square tubes, the distance with the same interval between the plurality of square tube telescopic stand columns is in a straight-line structure horizontal parallel distribution at the edge positions at the upper part of the high-altitude platform, the plurality of square tube telescopic stand columns are all fixedly connected with the high-altitude platform, the two surrounding baffles are horizontally and parallelly positioned at the upper and lower edge positions of the plurality of square tube telescopic stand columns respectively, and the two surrounding baffles are all fixedly connected with the plurality of square tube telescopic stand columns, arbitrary still be equipped with the fixed pin on the flexible stand of square pipe, the fixed pin is located the hookup location department of the upper and lower suit formula aluminum alloy side pipe of the flexible stand of square pipe, the fixed pin is detachable connections with the flexible stand of square pipe, four lifting drive mechanism evenly distributed are in the side of two interior slide rails, four lifting drive mechanism all are fixed connection with two interior slide rails.

4. The ceiling extension type multifunctional wind turbine nacelle cover of claim 3, wherein: the lifting driving mechanism comprises a lifting driver and a lifting rope, the lifting driver is located on the side face of the inner sliding rail and fixedly connected with the inner sliding rail, the lifting driver is connected with the control cabinet through a circuit, the lifting rope is located on the lower portion of the lifting driver, one end of the lifting rope is fixedly connected with the lifting driver, the other end of the lifting rope is fixedly connected with the high-altitude platform, the lifting driver is a servo motor driving device, and the lifting rope is a steel wire rope or a chain.

5. The ceiling extension type multifunctional wind turbine nacelle cover of claim 3, wherein: the high-altitude platform is a glass steel plate with a reinforcing rib structure.

6. The ceiling extension type multifunctional wind turbine nacelle cover of claim 3, wherein: the fixing pins are all threaded screwing type fastening pins.

7. The ceiling extension type multifunctional wind turbine nacelle cover of claim 3, wherein: the enclosure baffle is made of glass steel.