Built-in box-type transformer substation upward-moving cabin cover

Through the design of a built-in box-type upward-moving cabin cover, hydraulic and motor drives are used to lift and move the cabin cover horizontally, forming an aerial work platform, which solves the problem that the existing cabin cover is difficult to repair and improves the efficiency and safety of emergency repairs.

CN120759721AActive Publication Date: 2025-10-10JIANGSU CHANGYOU ENVIRONMENTAL PROTECTION TECH CO LTD

Patent Information

Application Number
CN202511225114.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-29
Publication Date
2025-10-10
Estimated Expiration
2045-08-29

AI Technical Summary

Technical Problem

Existing nacelle covers are difficult to maintain at high altitudes, especially when equipment fails, and are difficult to disassemble and replace. The high temperature environment also increases the difficulty of emergency repairs, resulting in high maintenance costs and safety risks.

Method used

A built-in box-type upward-moving cabin cover is designed, which includes an upward-moving cabin cover mechanism, an outdoor hoisting mechanism and an energy supply and propulsion mechanism. Through hydraulic components and motor drive, the cabin cover can be lifted, moved horizontally and hovered to form an aerial work platform, providing safe conditions for emergency repairs.

Benefits of technology

It improves the speed and safety of emergency repairs to equipment in the wind turbine cabin, reduces the difficulty and cost of high-altitude operations, enhances the lighting and oxygen supply inside the cabin, and ensures efficient maintenance operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of wind driven generator cabin covers, in particular to a built-in box transformer substation upward moving cabin cover which comprises a hood assembly, an upward moving cabin cover mechanism arranged on the hood assembly and an outdoor hoisting mechanism arranged on the upward moving cabin cover mechanism. The combined ladder mechanism is arranged in the hood assembly; and the energy supply propelling mechanism is arranged between the hood assembly and the upward moving hatch cover mechanism. A traditional closed type cabin cover is arranged to be the cabin body of the upward moving split structure and the upward moving cabin cover mechanism, when instruments or equipment in the cabin cover breaks down and needs to be integrally replaced, the upward moving cabin cover mechanism is lifted upwards, a port in the top of the cabin body is exposed in the external environment till the top end of the cabin body extends outwards to the maximum, and then the cabin cover is replaced. Instruments or equipment needing to be replaced are directly sent in and out from a port in the top of the cabin body in cooperation with an airborne device, and therefore the first-aid repair speed of workers can be increased in the power-off period of the wind driven generator.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wind turbine nacelle cover, in particular to an internal box transformer up-moving nacelle cover. BACKGROUND

[0002] The nacelle cover is an important component of the wind turbine generator set, which is a protective structure of the wind turbine generator set, so that the wind turbine generator set can work normally in severe weather environment, and various instruments and equipment inside the nacelle cover are protected.

[0003] The existing nacelle cover has dozens of components, so the nacelle cover needs to be pre-assembled on the ground to form a whole and then hoisted to the top of the wind turbine. This nacelle cover has strong sealing performance, but also has certain disadvantages. Once the internal instruments or equipment of the nacelle cover fail and need to be replaced as a whole, and the normal operation of the internal elevator cannot be realized by relying on the internal energy of the wind turbine, the instruments or equipment inside the nacelle cover are difficult to disassemble, which not only increases the cost of maintenance, but also increases the difficulty of repair. In addition, the nacelle cover is in a high-altitude state, and the difficulty of repair work by workers inside the nacelle cover will further increase when the external environment temperature continuously rises.

[0004] In view of this, an internal box transformer up-moving nacelle cover is designed to solve the above problems. SUMMARY

[0005] The present application aims to solve one of the technical problems in the prior art or related art.

[0006] To this end, the technical solution adopted by the present application is as follows: An internal box transformer up-moving nacelle cover, comprising a nacelle cover assembly, an up-moving cover mechanism arranged on the nacelle cover assembly, an outdoor hoisting mechanism arranged on the up-moving cover mechanism, a combined ladder mechanism arranged in the nacelle cover assembly, and an energy supply propulsion mechanism arranged between the nacelle cover assembly and the up-moving cover mechanism; the nacelle cover assembly comprises a nacelle main body and two cover plates arranged at both ends of the nacelle main body, and a recess is formed in the inner wall of the cover plate; the up-moving cover mechanism comprises two side wing cover plates arranged at the top of the two cover plates and a top cover plate arranged between the two side wing cover plates, and a fixed block is arranged on the inner wall of the side wing cover plate; the energy supply propulsion mechanism comprises a sliding rail arranged in the recess, a suspension bracket movably arranged in the sliding rail, two groups of hydraulic components arranged at the top of the inner cavity of the nacelle main body, a clamp arranged in the two groups of hydraulic components, a hydraulic sub-rod in the clamp movably arranged in the suspension bracket, an inclined rail arranged at the bottom end of the suspension bracket, a supporting plate movably arranged in the inclined rail, and a horizontal moving fixed block fixedly arranged on the inner wall of the side wing cover plate; the horizontal moving fixed block is movably arranged outside the fixed block.

[0007] The outdoor hoisting mechanism can be further configured to comprise a base installed inside the side wing cover plate, a first base movably installed in the base, a bolt arranged in the first base, a second base movably installed in the first base, a truss installed at the top end of the second base, and a winding disc movably installed at the outer end of the truss. The hoisting cable is wound on the winding disc. The outdoor hoisting mechanism is used to provide a support platform for workers to be suspended outside the cabin.

[0008] The energy supply and propulsion mechanism can be further configured to comprise four limiting clamps installed on the inner wall of the protective outer plate, two limiting clamps forming a set, and the limiting clamps in the set being used to protect the lifting of the support plate. The energy supply and propulsion mechanism further comprises a machine box installed in the hole in the support plate, a motor installed in the machine box, and a gear installed on the transmission shaft of the motor. The top of the horizontal moving fixed block is provided with a rack, and the gear is adapted to engage with the rack, and the horizontal moving fixed block after horizontal movement is used to provide side moving energy for the upward cabin cover mechanism to ensure that the upward cabin cover mechanism forms a hovering platform after side movement.

[0009] The machine cover assembly can be further configured to comprise two protective outer plates, and the two protective outer plates are respectively installed at the top of the two cabin cover plates. The protective outer plate is adapted to penetrate into the slot on the outside of the side wing cover plate.

[0010] The upward cabin cover mechanism can be further configured to comprise two first limiting wheels. One side of the bottom of the side wing cover plate is provided with a rectangular slot, and the two first limiting wheels are installed on the two inner walls of the rectangular slot.

[0011] The combined ladder mechanism can be further configured to comprise a fixed ladder fixedly installed in the machine cabin body, vertical grooves are formed in the vertical columns at both ends of the fixed ladder, compression springs are arranged in the vertical grooves, two second limiting wheels are fixedly installed at the top of the fixed ladder, two third limiting wheels are installed at the bottom of the fixed ladder, a sliding block is movably installed in the vertical groove, a movable ladder is fixedly installed outside the sliding block, and two fourth limiting wheels are installed at the top of the movable ladder. The fourth limiting wheel and the first limiting wheel are connected by a cable, and the cable passes through the second limiting wheel and the third limiting wheel in sequence.

[0012] The upward cabin cover mechanism can be further configured to comprise a protective frame installed at the top of the two side wing cover plates. The protective frame is welded by four column legs and a plurality of cross frames.

[0013] In a preferred example, the bottom of the horizontal moving fixed block is provided with a slide, and the slide head at the top of the supporting plate is adapted to penetrate into the slide at the bottom of the horizontal moving fixed block. The inside of the horizontal moving fixed block is provided with a rectangular horizontal groove.

[0014] In a preferred example, the energy supply propulsion mechanism further comprises two springs, and the two springs are arranged inside the two slide rails, respectively. One end of the spring is pressed against the inner wall of the groove, and the other end of the spring is pressed against the end head at the bottom of the suspension.

[0015] In a preferred example, a plurality of evenly distributed studs are arranged in the end plates at both ends of the top cover plate, the studs are adapted to penetrate into the outside of the side wing cover plate, and nuts are arranged on the studs to press the side wing cover plate. A bearing column is fixedly installed at the top of the top cover plate to provide effective support for the truss.

[0016] By adopting the above technical scheme, the present application has the following beneficial effects: 1. The present application sets the traditional closed cabin cover as an upward moving cabin body and an upward moving cover mechanism, when the instruments or equipment inside the cabin cover fail and need to be replaced, the upward moving cover mechanism is lifted upward, the port at the top of the cabin body is exposed to the outside environment, until the top end of the cabin body is extended to the maximum, and the instrument or equipment to be replaced is directly sent in and out from the port at the top of the cabin body through the air landing device, thereby improving the repair speed of the workers during the power-off period of the wind turbine.

[0017] 2. The present application sets an energy supply propulsion mechanism between the two cover plates and the upward moving cover mechanism, after the top cover plate is lifted upward, the running motor is used to reverse the gear, and finally the horizontal moving fixed block pushes the upward moving cover mechanism to move horizontally, and finally the upward moving cover mechanism after horizontal movement is located directly above the cabin body, at this time, an effective hovering platform can be formed directly above the cabin body, thereby facilitating the safe placement of the high-altitude hoisting device and the instrument.

[0018] 3. The present application sets an outdoor hoisting mechanism on the upward moving cover mechanism, when there is a fault outside the cabin body and manual work is needed outside the cabin, the first base is adjusted to move horizontally outward along the base, and finally the winding disc can be moved to the outside of the cabin body, and the winding disc can be unwound according to the area of the worker's suspended work, thereby providing a high-altitude suspension platform for the worker to improve the safety of the worker's work. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Schematic diagram for use of the present application; Figure 2 Exploded schematic diagram of the present application; Figure 3 Schematic diagram of the present application Figure 4 Exploded schematic diagram of the present application Figure 5 Schematic diagram of the present application Figure 6 Schematic diagram of the present application Figure 5 Enlarged schematic diagram of A in the present application; Figure 7 Exploded schematic diagram of the present application Figure 8 Schematic diagram of the present application Figure 7 Partial exploded schematic diagram of the present application; Figure 9 Schematic diagram of the present application Figure 10 Schematic diagram of the present application Figure 9 Partial exploded schematic diagram of the present application; Figure 11 Schematic diagram of the present application Figure 9 Enlarged schematic diagram of B in the present application.

[0020] Reference signs: 100, canopy assembly; 110, cabin body; 120, hatch plate; 130, protective outer plate; 140, groove; 200, upward-moving hatch mechanism; 210, side wing cover plate; 220, top cover plate; 230, protective frame; 240, fixed block; 250, first limiting wheel; 260, load-bearing upright column; 300, outdoor hoisting mechanism; 310, base; 320, first base; 330, bolt; 340, second base; 350, truss; 360, winding disc; 400, combined ladder mechanism; 410, fixed ladder; 420, vertical groove; 430, second limiting wheel; 440, third limiting wheel; 450, movable ladder; 460, sliding block; 470, fourth limiting wheel; 480, inhaul cable; 490, compression spring; 500, energy-supplying propulsion mechanism; 510, clamp; 520, hydraulic component; 530, sliding rail; 540, spring; 550, suspension; 560, inclined rail; 570, support plate; 5701, limiting clamp; 580, transverse fixed block; 590, machine box; 5901, motor; 5902, gear. DETAILED DESCRIPTION

[0021] In order to make the objects, technical solutions and advantages of the present application clearer, further detailed description will be made to the present application with reference to the specific embodiments and the accompanying drawings. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] It is to be understood that the above description is only exemplary and is not intended to limit the scope of the present application.

[0023] Some embodiments of the present application provide an inner box transformer upper moving machine cabin cover.

[0024] Embodiment 1: In combination Figures 1 to 10 As shown in the drawings, the present application provides an inner box transformer upper moving machine cabin cover, which comprises a machine cover assembly 100, an upper moving cabin cover mechanism 200 arranged on the machine cover assembly 100, an outdoor hoisting mechanism 300 arranged on the upper moving cabin cover mechanism 200, a combined ladder mechanism 400 arranged in the machine cover assembly 100, and an energy supply propulsion mechanism 500 arranged between the machine cover assembly 100 and the upper moving cabin cover mechanism 200. After the upper moving cabin cover mechanism 200 is lifted and moved horizontally, it provides a hovering platform for the machine cover assembly 100. The combined ladder mechanism 400 is used to provide an effective climbing carrier for the transfer of workers to the hovering platform. The outdoor hoisting mechanism 300 is used to provide an outdoor suspension support platform for workers. The energy supply propulsion mechanism 500 is used to provide stable support and extension kinetic energy for the lifting and side movement of the upper moving cabin cover mechanism 200.

[0025] The machine cover assembly 100 comprises a machine cabin body 110 and two protective outer plates 130, and two cabin cover plates 120 are installed at both ends of the machine cabin body 110. The inner wall of the cabin cover plate 120 is provided with a recess 140, and the two protective outer plates 130 are respectively installed on the top of the two cabin cover plates 120. The protective outer plate 130 is adapted to penetrate into the slot on the outside of the wing cover plate 210. The upper moving cabin cover mechanism 200 comprises two first limiting wheels 250, two wing cover plates 210 arranged on the top of the two cabin cover plates 120, and a top cover plate 220 installed between the two wing cover plates 210. The inner wall of the wing cover plate 210 is provided with a fixed block 240. One side of the bottom of the wing cover plate 210 is provided with a rectangular slot, and the two first limiting wheels 250 are installed on the inner walls of the rectangular slot. A protective frame 230 is installed on the top of the two wing cover plates 210. The protective frame 230 is welded by four column legs and a plurality of cross frames. A plurality of studs are evenly arranged in the end plate at both ends of the top cover plate 220, and the studs are adapted to penetrate to the outside of the wing cover plate 210. A nut is arranged on the stud to press the wing cover plate 210. A bearing column 260 is fixedly installed on the top of the top cover plate 220. The energy supply propulsion mechanism 500 comprises a slide rail 530 mounted in the groove 140, a suspension 550 movably mounted in the slide rail 530, two sets of hydraulic components 520 mounted at the top of the inner cavity of the cabin body 110, a clamp 510 mounted in the two sets of hydraulic components 520, a hydraulic sub-rod in the clamp 510 mounted in the suspension 550, an inclined rail 560 mounted at the bottom end of the suspension 550, a supporting plate 570 movably mounted in the inclined rail 560, and a horizontal movement fixing block 580 fixedly mounted on the inner wall of the wing cover plate 210; the inclined rail 560 serves as a guide, and the left end thereof is fixedly connected with the suspension 550, and the right end thereof is suspended and not connected with other structures.

[0026] The bottom of the horizontal movement fixing block 580 is provided with a slide, and the slide head at the top of the supporting plate 570 is adapted to penetrate into the slide at the bottom of the horizontal movement fixing block 580; A rectangular transverse groove is formed in the inner portion of the horizontal movement fixing block 580; A limiting clamp 5701 is mounted on the inner wall of the protective outer plate 130, and the number of the limiting clamps 5701 is four, two limiting clamps 5701 form a set, and one set of limiting clamps 5701 is used to protect the lifting of the supporting plate 570, a machine box 590 is mounted in the inner hole of the supporting plate 570, a motor 5901 is mounted in the machine box 590, and a gear 5902 is mounted on the transmission shaft in the motor 5901, wherein the rod segment at the bottom of the supporting plate 570 is inserted into the slide in the inclined rail, after the horizontal movement of the inclined rail 560, the supporting plate 570 at the bottom is subjected to pressurization by the slide, and finally the rod segment at the bottom of the supporting plate 570 will rise along the slide, at this time the supporting plate 570 will also be lifted; A rack is arranged at the top of the horizontal movement fixing block 580, and the gear 5902 is adapted to engage with the rack, and the horizontal movement fixing block 580 after the horizontal movement is used to provide side movement energy for the upward cabin cover mechanism 200, so as to ensure that the upward cabin cover mechanism 200 forms a hovering platform after the side movement; Two springs 540 are arranged in the inner portions of the two slide rails 530 respectively; One end of the spring 540 is pressed against the inner wall of the groove 140, and the other end of the spring 540 is pressed against the end head at the bottom of the suspension 550.

[0027] When the instruments in the inner portion of the cabin body 110 fail, in order to realize the overall repair and replacement of the instruments in the inner portion of the cabin body 110 at high altitude, the standby energy and the system control hydraulic component 520 are operated, the suspension 550 supported by the two slide rails 530 will be pressed and horizontally moved after the hydraulic sub-rod in the hydraulic component 520 expands outward, at the same time, the two inclined rails 560 mounted at the two ends of the suspension 550 will exert extrusion force on the two supporting plates 570, and finally the two supporting plates 570 will push the two horizontal movement fixing blocks 580 and the upward cabin cover mechanism 200 to rise as a whole; When the whole upper moving hatch mechanism 200 is lifted, the motor 5901 can be operated. When the gear 5902 is reversely driven by the motor 5901, the gear 5902 will engage the transmission horizontal moving fixed block 580 to move horizontally. Finally, the upper moving hatch mechanism 200 after being lifted can be horizontally pushed from the side. At this time, the top end of the cabin main body 110 can be exposed to the maximum extent. The hovering platform formed by the lateral movement of the upper moving hatch mechanism 200 can provide a support platform for the high-altitude hoisting device, and also can provide a temporary support platform for the instrument after reloading. During this process, the inner cavity of the cabin main body 110 will be illuminated by the external environment light, and the oxygen content in the inner cavity of the cabin main body 110 will also increase to ensure the safety of the workers in the inner cavity of the cabin main body 110 during the repair work.

[0028] Embodiment 2: In combination Figures 3 to 7 As shown in the embodiment 1, on the basis of the embodiment 1, the outdoor hoisting mechanism 300 comprises a base 310 installed inside the side wing cover plate 210, a first base 320 movably installed in the base 310, a bolt 330 arranged in the first base 320, a second base 340 movably installed in the first base 320, a truss 350 installed at the top end of the second base 340, and a winding disc 360 movably installed at the outer end of the truss 350, and the bearing column 260 is used to provide effective support for the truss 350. The hoisting cable is wound on the winding disc 360. The outdoor hoisting mechanism 300 is used to provide a support platform for workers to be suspended outside the cabin.

[0029] Specifically, when the outer region of the cabin main body 110 needs to be maintained and repaired, the first base 320 is adjusted to move horizontally along the top of the base 310. At this time, the second base 340 and the truss 350 after being adjusted in height can move outward. The winding disc 360 arranged at the outer end of the truss 350 can release the hoisting cable outward. The released hoisting cable can provide an outdoor suspension support for the workers, thereby protecting the workers during the work outside the cabin.

[0030] Embodiment 3: In combination Figures 2 to 7 As shown in the embodiment 1, on the basis of the embodiment 1, the combined ladder mechanism 400 comprises a fixed ladder 410 fixedly installed in the cabin main body 110, vertical grooves 420 formed in the columns at both ends of the fixed ladder 410, compression springs 490 arranged in the vertical grooves 420, two second limit wheels 430 fixedly installed at the top of the fixed ladder 410, two third limit wheels 440 installed at the bottom of the fixed ladder 410, a sliding block 460 movably installed in the vertical groove 420, a movable ladder 450 fixedly installed outside the sliding block 460, and two fourth limit wheels 470 installed at the top of the movable ladder 450. The fourth limiting wheel 470 and the first limiting wheel 250 are connected with a cable 480, and the cable 480 passes through the second limiting wheel 430 and the third limiting wheel 440 in sequence.

[0031] Specifically, in the initial state, the top end of the fixed ladder 410 and the top end of the movable ladder 450 are attached to the rectangular groove at the bottom of the side wing cover plate 210, when the side wing cover plate 210 is pushed upward and transversely moved along the side direction, the cable 480 connected to the first limiting wheel 250 will be pulled under the pressure of the second limiting wheel 430 and the third limiting wheel 440 to pull the fourth limiting wheel 470 and the movable ladder 450 to quickly descend, and finally the movable ladder 450 after being stretched downward cooperates with the fixed ladder 410 to form a long ladder structure, when the top port of the cabin body 110 is completely exposed, the movable ladder 450 and the fixed ladder 410 of the long ladder structure can be conveniently climbed by workers; With the reset of the upper moving cabin cover mechanism 200, the two compressed springs 490 will quickly lift the movable ladder 450 upward.

[0032] The working principle and use process of the application: after the wind turbine is installed, the cabin cover is usually in a high altitude state, and once the wind turbine fails; Therefore, when the wind turbine fails and needs to be repaired in time, by setting an independent energy supply and control system inside the cabin body 110 to control the operation of the hydraulic part 520, when the hydraulic sub-rod in the clamp 510 extends outward, the suspension 550 installed at the outer end of the hydraulic sub-rod is pressed to move along the two slide rails 530, and the two inclined rails 560 fixed at both ends of the suspension 550 also move, and the bottom end of the support plate 570 is pressurized and guided by the guide in the inclined rail 560, and finally the two support plates 570 will uniformly rise under the limiting of the two sets of limiting clamps 5701, at this time, the transverse fixed block 580 fixed at the top end of the support plate 570 will also be lifted upward; With the continuous upward movement of the two transverse fixed blocks 580, the two fixed blocks 240 movably installed in the two transverse fixed blocks 580 will be subjected to an upward thrust, and the combined two side wing cover plates 210 and the top cover plate 220 will be lifted upward from the top end of the cabin body 110, and finally the two side wing cover plates 210 and the top cover plate 220 will be unfolded with a large enough gap at the top end of the cabin body 110, and the inner cavity of the cabin body 110 will be exposed to the outside environment, and the ambient light will also be irradiated into the cabin body 110, thereby providing lighting for the rescue of the workers, in addition, the inner cavity of the cabin body 110 is directly connected with the outside environment, and the oxygen content in the inner cavity will also be increased, thereby providing sufficient safety protection for the workers working at high altitude; Meanwhile, as the top cover plate 220 continues to lift up, the motor 5901 controlled by the standby system reverses the gear 5902, and the horizontal moving fixed block 580 will move horizontally along the outside of the fixed block 240, thereby expanding the gap of the top end port of the cabin body 110, at the same time, the inhaul cable 480 connected to the first limiting wheel 250 will be pulled, and the other end of the inhaul cable 480 will pull the fourth limiting wheel 470 down, and finally the movable ladder 450 will be lowered and form a long ladder structure with the fixed ladder 410, so as to facilitate the staff to climb up along the long ladder; When the staff climbs to the top of the cabin body 110, they can stand on the top of the top cover plate 220, and the guard frame 230 will provide safety protection for the workers, the height of the second base 340 is controlled by the tension bolt 330, then the first base 320 is slid horizontally along the base 310, and finally the winding disc 360 arranged at the outer end of the second base 340 can lower the sling, so as to facilitate the workers to provide suspension support for the work of the surrounding parts of the cabin cover; At the same time, the top end of the cabin body 110 is in an exposed state, which also facilitates the direct channel of the air landing parts, thereby improving the speed and efficiency of the repair of the internal elements of the cabin body 110.

[0033] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A built-in box-type upward-moving nacelle cover, comprising a cover assembly (100), characterized in that: It also includes an upward-moving hatch cover mechanism (200) provided on the hood assembly (100), an outdoor hoisting mechanism (300) provided on the upward-moving hatch cover mechanism (200), a combined ladder mechanism (400) provided in the hood assembly (100), and an energy supply and propulsion mechanism (500) provided between the hood assembly (100) and the upward-moving hatch cover mechanism (200); The hood assembly (100) comprises a cabin body (110) and two hatch covers (120) mounted at both ends of the cabin body (110), and the inner walls of the hatch covers (120) are provided with grooves (140); The energy supply propulsion mechanism (500) includes a slide rail (530) installed in the groove (140), a suspension (550) movably installed in the slide rail (530), two groups of hydraulic components (520) installed on the top of the inner cavity of the cabin body (110), a clamp (510) installed in the two groups of hydraulic components (520), and the hydraulic sub-rod in the clamp (510) is installed in the suspension (550), an inclined rail (560) installed at the bottom end of the suspension (550), a support plate (570) movably installed inside the inclined rail (560), and a transverse fixed block (580) fixedly installed on the inner wall of the side wing cover plate (210); The transverse fixed block (580) is movably mounted outside the fixed block (240).

2. The built-in box-type upward-moving nacelle cover according to claim 1 is characterized in that: The upward-moving hatch cover mechanism (200) comprises two side wing cover plates (210) arranged on top of the two hatch cover plates (120) and a top cover plate (220) installed between the two side wing cover plates (210), and a fixing block (240) is installed on the inner wall of the side wing cover plates (210); It also includes two first limiting wheels (250), a rectangular slot is opened on one side of the bottom of the side wing cover plate (210), and the two first limiting wheels (250) are installed on two inner walls of the rectangular slot.

3. The built-in box-type upward-moving nacelle cover according to claim 2 is characterized in that: The outdoor hoisting mechanism (300) includes a base (310) installed inside the side wing cover (210), a first base (320) movably installed inside the base (310), a bolt (330) arranged inside the first base (320), a second base (340) movably installed inside the first base (320), a truss (350) installed at the top end of the second base (340), and a reel (360) movably installed at the outer end of the truss (350); A sling is wound around the reel (360); The outdoor hoisting mechanism (300) is used to provide a support platform for workers to suspend outside the cabin.

4. The built-in box-type upward-moving nacelle cover according to claim 2 is characterized in that: The energy supply propulsion mechanism (500) further comprises a limiting clip (5701) mounted on the inner wall of the protective outer plate (130), wherein the number of the limiting clips (5701) is four, two limiting clips (5701) form a group, and a group of limiting clips (5701) is used to provide protection for the lifting and lowering of the support plate (570); The energy supply propulsion mechanism (500) further includes a chassis (590) mounted in a hole inside the support plate (570), a motor (5901) mounted inside the chassis (590), and a gear (5902) mounted on a transmission shaft inside the motor (5901); A rack is provided on the top of the transverse moving fixed block (580), and the gear (5902) is adapted to be engaged with the rack. The transverse moving fixed block (580) after transverse movement is used to provide lateral movement energy for the upward moving hatch cover mechanism (200), so as to ensure that the upward moving hatch cover mechanism (200) forms a hovering platform after lateral movement.

5. The built-in box-type upward-moving nacelle cover according to claim 2 is characterized in that: A plurality of studs are evenly distributed in the end plates at both ends of the top cover plate (220), and the studs are adapted to penetrate the outside of the side cover plates (210), and nuts for pressing the side cover plates (210) are provided on the studs; A bearing column (260) is fixedly mounted on the top of the top cover plate (220) to provide effective support for the truss (350).

6. The built-in box-type upward-moving nacelle cover according to claim 1 is characterized in that: The hood assembly (100) further includes two protective outer panels (130), and the two protective outer panels (130) are respectively mounted on top of the two hatch covers (120); The protective outer plate (130) is adapted to penetrate into a slot on the outside of the wing cover plate (210).

7. The built-in box-type upward-moving nacelle cover according to claim 1 is characterized in that: The combined ladder mechanism (400) includes a fixed ladder (410) fixedly mounted in the cabin body (110), vertical slots (420) are provided in the columns at both ends of the fixed ladder (410), a compression spring (490) is arranged inside the vertical slots (420), two second limiting wheels (430) fixedly mounted on the top of the fixed ladder (410), two third limiting wheels (440) mounted on the bottom of the fixed ladder (410), a slider (460) movably mounted in the vertical slots (420), a movable ladder (450) fixedly mounted outside the slider (460), and two fourth limiting wheels (470) mounted on the top of the movable ladder (450); A cable (480) is connected between the fourth limiting wheel (470) and the first limiting wheel (250), and the cable (480) passes through the second limiting wheel (430) and the third limiting wheel (440) in sequence.

8. The built-in box-type upward-moving nacelle cover according to claim 1 is characterized in that: The upward-moving hatch cover mechanism (200) further includes a guard frame (230) mounted on top of the two side wing cover plates (210); The guard frame (230) is formed by welding four column legs and a plurality of cross frames.

9. The built-in box-type upward-moving nacelle cover according to claim 1 is characterized in that: A slideway is provided at the bottom of the transverse moving fixed block (580), and the slider at the top of the support plate (570) is adapted to penetrate into the slideway at the bottom of the transverse moving fixed block (580); A rectangular transverse groove is provided inside the transverse fixed block (580).

10. The upward-moving nacelle cover of a built-in box-type transformer according to claim 1, characterized in that: The energy supply propulsion mechanism (500) further includes two springs (540), and the two springs (540) are respectively arranged inside the two slide rails (530); One end of the spring (540) is pressed against the inner wall of the groove (140), and the other end of the spring (540) is pressed against the end head at the bottom of the suspension (550).

Citation Information

Patent Citations

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