CN217458743U - Crawling ladder guiding lifting platform for wind power tower tube - Google Patents

Abstract

The utility model discloses a wind power tower is cat ladder direction lift platform for section of thick bamboo belongs to a tower section of thick bamboo and overhauls and maintain technical field. The ladder stand guiding lifting platform for the wind power tower comprises a main frame, wherein the main frame comprises a front vertical plate and a rear vertical plate, the front vertical plate and the rear vertical plate are fixedly connected through a top middle frame and a bottom middle frame, a top frame is connected above the front vertical plate and the rear vertical plate, and a bottom frame is connected below the front vertical plate and the rear vertical plate; the main frame is connected with a fixing plate, and the fixing plate is fixedly connected with a lifting machine and a safety lock. The utility model greatly improves the working efficiency and provides a safe and comfortable working environment for personnel; different with the wire rope direction, this lift platform utilizes the cat ladder as the direction of going up and down, has improved the stability of operation, when meetting emergency moreover, maintainer can directly stride the cat ladder from the emergency exits at the top, withdraws safely through the cat ladder, safe and reliable.

Description

Crawling ladder guiding lifting platform for wind power tower cylinder

Technical Field

The utility model relates to a wind power tower is cat ladder direction lift platform for section of thick bamboo belongs to a tower section of thick bamboo and overhauls and maintain technical field.

Background

Wind power generation refers to converting kinetic energy of wind into electric energy, the wind energy is a clean and pollution-free renewable energy source, and the wind energy has huge energy content, so that the wind power generation is increasingly paid attention from all countries in the world, and a wind power tower barrel is a tower pole of the wind power generation and mainly plays a supporting role in a wind power generator set.

Need maintenance personal to climb in a tower section of thick bamboo among the current wind power tower section of thick bamboo maintenance mode, maintenance personal need hand-carry instrument and material, such working method efficiency is very low, has increaseed maintenance personal injured risk simultaneously again, has the potential safety hazard. Therefore, in the maintenance of the wind power tower, a special lifting platform for the wind power tower needs to be designed to replace the traditional manual climbing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a ladder stand guiding lifting platform for a wind power tower cylinder, which greatly improves the working efficiency and provides a safe and comfortable working environment for personnel; different from the guiding of a steel wire rope, the lifting platform utilizes the ladder stand as the lifting guiding, so that the running stability is improved, and in case of emergency, maintenance personnel can directly span the ladder stand from the escape door at the top and safely evacuate through the ladder stand; the lifting platform is a revolutionary product in the field of maintenance of the tower barrel.

The ladder stand guiding lifting platform for the wind power tower comprises a main frame, wherein the main frame comprises a front vertical plate and a rear vertical plate, the front vertical plate and the rear vertical plate are fixedly connected through a top middle frame and a bottom middle frame, a top frame is connected above the front vertical plate and the rear vertical plate, and a bottom frame is connected below the front vertical plate and the rear vertical plate; the main frame is connected with a fixing plate, and the fixing plate is fixedly connected with a lifting machine and a safety lock.

The utility model discloses an among the embodiment, the below of safety lock is provided with out rope mouth baffle and leading rope sheave mount, be equipped with leading the rope sheave in the leading rope sheave mount, safety wire rope is worn to be equipped with by the safety lock, work wire rope is worn to be equipped with by the lifting machine, safety wire rope and work wire rope pass safety lock and lifting machine back respectively, the warp leading the rope sheave and deriving.

The utility model discloses an in the embodiment, main frame outer joint has back upper seal board, back lower seal board, first right board, second right board, first left board and second left board, back upper seal board with fixed plate fixed connection, be connected with the strengthening rib between first left board and the second left board, the upper end and the equal fixedly connected with of lower extreme of main frame connect the angle bar, connect the angle bar with all connect through the reinforcing plate between first right board, second right board, first left board and the second left board.

The utility model discloses an among the embodiment, the top of main frame is provided with the emergency exits, and the bottom of main frame is provided with down the emergency exits, the top of first right board, second right board, first left board and second left board is connected with the top limiting plate through the top sprag frame, the below of first right board, second right board, first left board and second left board is connected with the bottom limiting plate through the corner mound, the top limiting plate articulates there is the top emergency exits, the bottom limiting plate articulates there is the bottom emergency exits, all be equipped with the spring on top sprag frame and the corner mound.

In one embodiment of the present invention, a guide rail is disposed between the first left plate and the second left plate, the guide rail is slidably connected to a first sliding door and a second sliding door, and a front double-folding door is disposed between the first right plate and the second left plate; the upper left sealing plate is arranged above the first sliding door and the second sliding door, the lower left sealing plate is arranged below the first sliding door and the second sliding door, and the guide rail is fixedly connected with the lower left sealing plate.

In one embodiment of the utility model, the first right plate and the second left plate are fixedly connected with an upper ladder idler wheel component and a lower ladder idler wheel component, the upper ladder idler wheel component and the lower ladder idler wheel component comprise ladder fixing plates, one end of each ladder fixing plate close to the main frame is provided with two vertically-arranged guide wheels, one end of each ladder fixing plate far away from the main frame is provided with one guide wheel, the number of the upper ladder idler wheel components and the number of the lower ladder idler wheel components are two, and the two ladders are arranged between the two upper ladder idler wheel components and between the two lower ladder idler wheel components and are clamped between the two vertically-arranged guide wheels on one ladder fixing plate and the other guide wheel; the guide wheel is made of nylon materials, and a bearing is arranged in the guide wheel.

The utility model discloses an in one embodiment, back rope wheel fender frame and wire rope cable conductor guide pulley are installed in the outside of shrouding down to the back.

In one embodiment of the present invention, the safety lock is a centrifugal safety lock; a manual sliding device is arranged in the elevator; an electric cabinet is further arranged in the main frame.

The utility model discloses an among the embodiment, be provided with light and limit switch on the top center, also be provided with limit switch on the end center.

The utility model discloses an among the embodiment, all seted up a plurality of hole on first right board, second right board, first sliding door, second sliding door, first left board, preceding two folding doors, go up emergency exits, lower emergency exits, top emergency exits and the bottom emergency exits.

Advantageous effects

1. The utility model greatly improves the working efficiency and provides a safe and comfortable working environment for personnel; different from the steel wire rope guide, the lifting platform utilizes the ladder stand as the lifting guide, so that the running stability is improved, and in case of emergency, maintenance personnel can directly stride onto the ladder stand from the escape door at the top and safely evacuate through the ladder stand; the lifting platform is a revolutionary product in the field of maintenance of the tower barrel.

2. The utility model provides a wind power tower cylinder's maintenance problem, make work safety high-efficient, be different from wire rope direction formula's lift platform again, when a tower section of thick bamboo height was higher, this kind of lift platform moves more reliable and more stable from top to bottom. The lifting machine is used as a driving device, the safety lock is used as a falling prevention device, the national standard requirement and the international standard are met, and the lifting machine is an innovative application of a hanging basket product on a fan tower barrel lifting platform.

3. The utility model discloses utilize the main frame to bear load, the shrouding quality that the main frame is connected all around is lighter, guaranteeing to satisfy greatly reduced lift platform's cost of manufacture under the prerequisite that bears the safety load.

4. The utility model discloses be connected with the strengthening rib between first left board and the second left board, the strengthening rib can not only strengthen whole frame's intensity, can also regard the running-board.

5. The utility model realizes the setting of the top double escape doors through the upper escape door and the top escape door, realizes the setting of the bottom double escape doors through the lower escape door and the bottom escape door, and the top double escape doors and the bottom double escape doors are connected with the platform in a hinge mode, so that the double escape doors play a role of double protection when the operation personnel can conveniently open the escape doors; the top support frame is provided with a spring for buffering, and the corner pier is also provided with a spring for buffering.

6. The utility model discloses a connect the angle bar with all connect through the reinforcing plate between first right board, second right board, first left board and the second left board to bolt fastening further improves car intensity.

7. The utility model discloses first move the door and the second moves the door and can slide on the guide rail for first left board, move the effect that the door realized three opening doors through first left board, first door and the second that moves, increased the aperture of lift platform door, can make inside some large-scale materials enter into lift platform, leave first left board as the fixed gate simultaneously, guaranteed the security that lift platform opened the door.

8. The utility model discloses be provided with the cat ladder between two last cat ladder by the wheel part and between two lower cat ladder by the wheel part, the cat ladder blocks between two guide pulleys of vertical arrangement and another guide pulley on a cat ladder fixed plate, provides the direction for lift platform through the cat ladder that sets up, and different from wire rope direction formula lift platform, when a tower section of thick bamboo height is higher, the lift platform of this kind of cat ladder direction moves more stably and reliably from top to bottom; the distance between the guide wheels of the upper and lower ladder stand idler wheel components can be adjusted, the size and the installation position of the guide wheels can be adjusted according to different stress directions of the upper and lower ladder stand idler wheel components, and because the load borne by one end, close to the main frame, of the ladder stand fixing plate is larger than the load borne by one end, far away from the main frame, of the ladder stand fixing plate, two guide wheels are arranged at one end, close to the main frame, of the ladder stand fixing plate, and one guide wheel is arranged at one end, far away from the main frame, of the ladder stand fixing plate, so that different loads can be adapted, the lifting platform can work more stably, and the service life of the lifting platform is prolonged; the idler wheel parts of the upper and lower crawling ladder are made of nylon materials with large diameters, and bearings are arranged in the idler wheels, so that the lifting stability and safety of the platform are improved.

9. The utility model discloses the outside ann of shrouding changes down in the back has back rope guide wheel to keep off frame and wire rope cable conductor guide pulley, wire rope cable conductor guide pulley can effectively prevent wire rope and cable conductor and car collision.

10. The utility model discloses be provided with light and limit switch on the top center, also be provided with limit switch on the end center, limit switch plays spacing guard action at lift platform's the in-process that rises and descend, has improved lift platform's operation security.

11. The peripheral sealing plate of the main frame of the utility model is provided with a plurality of holes, which is convenient for workers to observe the external environment and can reduce the weight of the platform; meanwhile, the sealing plates are fixedly connected with each other through bolts, so that the overall strength of the lifting platform is enhanced.

12. The utility model discloses still be provided with the electric cabinet in the main frame, the electric cabinet is installed under the back on the shrouding, through electric cabinet control platform's lift, safe and reliable, degree of automation is high.

Drawings

Fig. 1 is a perspective view of the main frame of the present invention.

Fig. 2 is a perspective view of the rear upper sealing plate, the rear lower sealing plate, the elevator, the safety lock and other components of the present invention.

Fig. 3 is the utility model discloses wind power tower is a perspective view of cat ladder direction lift platform for tower.

Fig. 4 is a perspective view of another visual angle of the ladder stand guiding lifting platform for the wind power tower cylinder.

Wherein: 1. a front vertical plate; 2. a top frame; 3. a top middle frame; 4. a rear vertical plate; 5. a bottom frame; 6. a bottom middle frame; 7. connecting angle iron; 8. a fixing plate; 9. a hoist; 10. a safety lock; 11. a rope outlet baffle plate; 12. a rope guide wheel fixing frame; 13. a rope guide pulley; 14. a rear upper sealing plate; 15. a rear lower seal plate; 16. an escape door is arranged; 17. a top limiting plate; 18. a top escape door; 19. a top support frame; 20. a bottom limiting plate; 21. a bottom escape door; 22. a lower escape door; 23. corner piers; 24. a reinforcing plate; 25. a first right plate; 26. a second right plate; 27. a first left plate; 28. a second left plate; 29 a guide rail; 30. a first sliding door; 31. a second sliding door; 32. a left upper seal plate; 33. a left lower seal plate; 34. a front double folding door; 35. a rear rope guide wheel blocking frame; 36. a wire rope cable guide wheel; 37. the wheel leaning component of the climbing ladder; 38. a lower ladder stand idler wheel component; 39. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. 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.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

A ladder stand guiding lifting platform for a wind power tower cylinder comprises a main frame, as shown in figures 1-4, wherein the main frame comprises a front vertical plate 1 and a rear vertical plate 4, the front vertical plate 1 and the rear vertical plate 4 are fixedly connected through a top middle frame 3 and a bottom middle frame 6, a top frame 2 is connected above the front vertical plate 1 and the rear vertical plate 4, and a bottom frame 5 is connected below the front vertical plate 1 and the rear vertical plate 4; the main frame is connected with a fixing plate 8, and the fixing plate 8 is fixedly connected with a lifting machine 9 and a safety lock 10. The utility model discloses utilize the main frame to bear load, the shrouding quality that the main frame is connected all around is lighter, guaranteeing to satisfy greatly reduced lift platform's cost of manufacture under the prerequisite that bears the safety load.

As shown in fig. 2, a rope outlet baffle 11 and a rope guide wheel fixing frame 12 are arranged below the safety lock 10, a rope guide wheel 13 is arranged in the rope guide wheel fixing frame 12, a safety steel wire rope penetrates through the safety lock 10, a working steel wire rope penetrates through the hoisting machine 9, and the safety steel wire rope and the working steel wire rope pass through the safety lock 10 and the hoisting machine 9 respectively and then are led out through the rope guide wheel 13.

As shown in fig. 3 or 4, a rear upper sealing plate 14, a rear lower sealing plate 15, a first right plate 25, a second right plate 26, a first left plate 27 and a second left plate 28 are connected to the outside of the main frame, the rear upper sealing plate 14 is fixedly connected to the fixing plate 8, and a reinforcing rib 39 is connected between the first left plate 27 and the second left plate 28. The reinforcing ribs 39 not only reinforce the strength of the entire frame, but also serve as a foot board.

Further, the top of main frame is provided with emergency exit 16, and the bottom of main frame is provided with lower emergency exit 22, the top of first right board 25, second right board 26, first left board 27 and second left board 28 is connected with top limiting plate 17 through top support frame 19, the below of first right board 25, second right board 26, first left board 27 and second left board 28 is connected with bottom limiting plate 20 through corner mound 23, top limiting plate 17 articulates there is top emergency exit 18, bottom limiting plate 20 articulates there is bottom emergency exit 21. The double escape doors at the top are arranged through the upper escape door 16 and the top escape door 18, the double escape doors at the bottom are arranged through the lower escape door 22 and the bottom escape door 21, the double escape doors at the top and the bottom are connected with the platform in a hinge mode, and when the double escape doors are opened by operators, the double escape doors are arranged to play a role in double protection. Furthermore, the top support frame 19 is provided with a spring for buffering, and the corner pier 23 is also provided with a spring for buffering.

Further, the equal fixedly connected with of upper end and the lower extreme of main frame connects angle bar 7, connect angle bar 7 with all connect through reinforcing plate 24 between first right board 25, second right board 26, first left board 27 and the second left board 28 to bolt fastening further improves car intensity.

Further, a guide rail 29 is arranged between the first left plate 27 and the second left plate 28, a first sliding door 30 and a second sliding door 31 are slidably connected to the guide rail 29, and a front double-folding door 34 is arranged between the first right plate 25 and the second left plate 28; a left upper sealing plate 32 is arranged above the first sliding door 30 and the second sliding door 31, a left lower sealing plate 33 is arranged below the first sliding door 30 and the second sliding door 31, and the guide rail 29 is fixedly connected with the left lower sealing plate 33. The first sliding door 30 and the second sliding door 31 can slide on the guide rail 29 relative to the first left plate 27, the effect of opening three doors is achieved through the first left plate 27, the first sliding door 30 and the second sliding door 31, the opening degree of the lifting platform door is increased, some large materials can enter the lifting platform, meanwhile, the first left plate 27 is reserved as a fixed door, and the safety of opening the lifting platform door is guaranteed.

Furthermore, the first right plate 25 and the second left plate 28 are fixedly connected with an upper stair idler wheel part 37 and a lower stair idler wheel part 38, the upper ladder idler wheel part 37 and the lower ladder idler wheel part 38 comprise ladder fixing plates, one end of each ladder fixing plate, which is close to the main frame, is provided with two guide wheels which are vertically arranged, one end of each ladder fixing plate, which is far away from the main frame, is provided with one guide wheel, the number of the upper ladder idler wheel part 37 and the number of the lower ladder idler wheel parts 38 are two, ladders are arranged between the two upper ladder idler wheel parts 37 and between the two lower ladder idler wheel parts 38, the ladder stand is clamped between two guide wheels which are vertically arranged on one ladder stand fixing plate and the other guide wheel, the ladder stand is used for providing guidance for the lifting platform, which is different from a steel wire rope guiding type lifting platform, when the tower is high, the lifting platform guided by the ladder stand can move up and down more stably and reliably.

Optionally, the guide pulley interval of upper and lower cat ladder depended wheel part is adjustable, and the size and the mounted position of guide pulley can be adjusted according to upper and lower cat ladder depended wheel part atress direction difference, because the load that the one end that the cat ladder fixed plate is close to the main frame bore is greater than the load that the one end of keeping away from the main frame bore, consequently, set up two guide pulleys in the one end that the cat ladder fixed plate is close to the main frame, the one end of keeping away from the main frame at the cat ladder fixed plate sets up a guide pulley to adapt to different loads, make lift platform work more stable, prolonged its life.

Further, the outside of shrouding 15 is installed down in the back and is kept off the rope sheave and keep off frame 35 and wire rope cable conductor guide pulley 36, wire rope cable conductor guide pulley 36 can effectively prevent wire rope and cable conductor and car collision.

Further, the safety lock 10 is a centrifugal safety lock; a manual sliding device is arranged in the hoister 9; the main frame and the peripheral sealing plates are all made of steel structures, and the top limiting plate 14, the top escape door 18, the bottom limiting plate 20 and the bottom escape door 21 are all made of aluminum plates; be provided with light and limit switch on the top center 3, also be provided with limit switch on the end center 6, limit switch plays spacing guard action at the in-process that rises and descend of lift platform, has improved lift platform's operation security.

Further, a plurality of holes have been seted up on the shrouding all around of main frame, specifically, a plurality of hole has all been seted up on first right board 25, second right board 26, first sliding door 30, second sliding door 31, first left board 27, preceding two folding doors 34, last emergency exits 16, lower emergency exits 22, top emergency exits 18 and bottom emergency exits 21, not only makes things convenient for the staff to observe external environment, can reduce the weight of platform again. Meanwhile, the sealing plates are fixedly connected with each other through bolts, so that the overall strength of the lifting platform is enhanced.

Furthermore, the idler wheel parts of the upper and lower crawling ladder are guide wheels made of nylon materials with large diameters, and bearings are arranged in the guide wheels, so that the lifting stability and safety of the platform are improved.

Furthermore, an electric cabinet is further arranged in the main frame, the electric cabinet is mounted on the rear lower sealing plate 15, the lifting of the platform is controlled through the electric cabinet, and the electric cabinet is safe, reliable and high in automation degree.

The utility model discloses a theory of operation: the front vertical plate 1 and the rear vertical plate 4 are screwed and fixed through two connecting angle irons 7 by bolts, two formed frames are connected and fixed through a top middle frame 3 and a bottom middle frame 6, and two bottom frames 5 and a bottom frame 2 are screwed below and above the main frame by bolts in sequence.

The first right plate 25, the second right plate 26, the rear upper closing plate 14, the rear lower closing plate 15, the first left plate 27, the second left plate 28, and the guide rail 29 are respectively screwed to the main frame, and the three reinforcing ribs 39 are fitted to the first left plate 27 and the second left plate 28 and are fixed by screwing. The sliding door pulley is clamped into the guide rail 29, and the sliding door pulley is connected with the upper mounting hole and the lower mounting hole of the first sliding door 30 and the second sliding door 31 and is screwed down by adjusting a proper distance. The left upper seal plate 32 and the left lower seal plate 33 are screwed to the main frame and are fastened to the first left plate 27 and the second left plate 28 with bolts. The front double-folding door 34, the upper escape door 16, the top escape door 18, the lower escape door 22 and the bottom escape door 21 are respectively connected with the first right plate 25, the top middle frame 3, the top limiting plate 17, the bottom middle frame 6 and the bottom limiting plate 20 in a hinge mode, the top middle frame 3 and the bottom middle frame 6 are provided with limiting switches, and when the lifting platform rises or falls to a certain degree, the platform stops lifting. Upper escape door 16 and top escape door 18 can only be opened upward, and lower escape door 22 and bottom escape door 21 can only be opened downward. The top limiting plate 17 is connected with the main car through four top supporting frames 19 through bolts, springs are arranged on the top supporting frames 19 to achieve a buffering effect, the bottom limiting plate 20 is connected with the main car through four corner piers 23 through bolts, and the springs are arranged on the corner piers 23 to achieve the buffering effect. The connecting angle iron 7 is connected with the left and right side sealing plates by the reinforcing plate 24 and fixed by bolts, so that the strength of the car is improved. A rear guide pulley holder 35 is fitted to the rear upper cover plate 14 and the rear lower cover plate 15, and a wire rope cable guide pulley member 36 is fitted thereunder. Finally, the distance between the upper idler wheels of the upper stair idler wheel part 37 and the lower stair idler wheel part 38 is adjusted, and the upper stair idler wheel part 37 and the lower stair idler wheel part 38 are screwed on the installed car.

The lifter 9 and the safety lock 10 are arranged on the fixing plate 8 and fixedly connected with the two rear vertical plates 4 and the rear upper closing plate 14 by bolts. The safety lock 10 is provided with a rope outlet baffle 11, four rope guide wheels 13 with bearings are arranged on a rope guide wheel fixing frame 12, the rope guide wheel fixing frame 12 is arranged on a rear lower sealing plate 15 and is screwed by bolts, so that the working steel wire rope and the safety steel wire rope are led out from the rear side of the car.

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 may be made to the embodiments described in the foregoing embodiments, or some features may be replaced with other modifications, equivalents, improvements and the like without departing from the spirit and scope of the invention.

Claims (10)

1. The ladder stand guiding lifting platform for the wind power tower cylinder is characterized by comprising a main frame, wherein the main frame comprises a front vertical plate (1) and a rear vertical plate (4), the front vertical plate (1) and the rear vertical plate (4) are fixedly connected through a top middle frame (3) and a bottom middle frame (6), a top frame (2) is connected above the front vertical plate (1) and the rear vertical plate (4), and a bottom frame (5) is connected below the front vertical plate (1) and the rear vertical plate (4); the main frame is connected with a fixing plate (8), and the fixing plate (8) is fixedly connected with a lifting machine (9) and a safety lock (10).

2. The ladder stand guiding lifting platform for the wind power tower drum as claimed in claim 1, wherein a rope outlet baffle (11) and a rope guide wheel fixing frame (12) are arranged below the safety lock (10), a rope guide wheel (13) is arranged in the rope guide wheel fixing frame (12), a safety steel wire rope is arranged in the safety lock (10) in a penetrating mode, a working steel wire rope is arranged in the hoisting machine (9) in a penetrating mode, and the safety steel wire rope and the working steel wire rope are led out through the rope guide wheel (13) after respectively penetrating through the safety lock (10) and the hoisting machine (9).

3. The ladder stand guiding lifting platform for the wind power tower as claimed in claim 2, wherein a rear upper sealing plate (14), a rear lower sealing plate (15), a first right plate (25), a second right plate (26), a first left plate (27) and a second left plate (28) are connected to the outside of the main frame, the rear upper sealing plate (14) is fixedly connected with the fixing plate (8), a reinforcing rib (39) is connected between the first left plate (27) and the second left plate (28), the upper end and the lower end of the main frame are fixedly connected with a connecting angle iron (7), and the connecting angle iron (7) is connected with the first right plate (25), the second right plate (26), the first left plate (27) and the second left plate (28) through the reinforcing plate (24).

4. The ladder stand guiding lifting platform for the wind power tower as claimed in claim 3, wherein an upper escape door (16) is arranged at the top end of the main frame, a lower escape door (22) is arranged at the bottom end of the main frame, top limiting plates (17) are connected above the first right plate (25), the second right plate (26), the first left plate (27) and the second left plate (28) through top supporting frames (19), bottom limiting plates (20) are connected below the first right plate (25), the second right plate (26), the first left plate (27) and the second left plate (28) through corner piers (23), the top limiting plates (17) are hinged to top escape doors (18), the bottom limiting plates (20) are hinged to bottom escape doors (21), and springs are arranged on the top supporting frames (19) and the corner piers (23).

5. The ladder guiding lifting platform for the wind power tower as claimed in claim 4, wherein a guide rail (29) is arranged between the first left plate (27) and the second left plate (28), the guide rail (29) is slidably connected with a first sliding door (30) and a second sliding door (31), and a front double-folding door (34) is arranged between the first right plate (25) and the second left plate (28); the upper left sealing plate (32) is arranged above the first sliding door (30) and the second sliding door (31), the lower left sealing plate (33) is arranged below the first sliding door (30) and the second sliding door (31), and the guide rail (29) is fixedly connected with the lower left sealing plate (33).

6. A ladder stand guiding lifting platform for a wind power tower according to claim 5, characterized in that the first right plate (25) and the second left plate (28) are fixedly connected with an upper ladder leaning wheel component (37) and a lower ladder leaning wheel component (38), the upper ladder leaning wheel component (37) and the lower ladder leaning wheel component (38) comprise ladder stand fixing plates, one end of each ladder stand fixing plate close to the main frame is provided with two vertically arranged guide wheels, one end of each ladder stand fixing plate far away from the main frame is provided with one guide wheel, the number of the upper ladder leaning wheel component (37) and the number of the lower ladder leaning wheel component (38) are two, ladder stands are arranged between the two upper ladder leaning wheel components (37) and between the two lower ladder leaning wheel components (38), and the ladder stands are clamped between the two vertically arranged guide wheels on one ladder stand fixing plate and the other guide wheel; the guide wheel is made of nylon materials, and a bearing is arranged in the guide wheel.

7. The ladder stand guiding lifting platform for the wind power tower as claimed in claim 6, wherein a rear rope guide wheel blocking frame (35) and a steel wire cable guide wheel (36) are mounted on the outer side of the rear lower sealing plate (15).

8. A ladder climbing and guiding lifting platform for a wind tower according to claim 7, characterised in that the safety lock (10) is a centrifugal safety lock; a manual sliding device is arranged in the elevator (9); an electric cabinet is further arranged in the main frame.

9. The ladder stand guiding lifting platform for the wind power tower as claimed in claim 8, wherein an illuminating lamp and a limit switch are arranged on the top middle frame (3), and a limit switch is also arranged on the bottom middle frame (6).

10. The ladder stand guiding lifting platform for the wind power tower as claimed in claim 9, wherein a plurality of holes are formed in each of the first right plate (25), the second right plate (26), the first sliding door (30), the second sliding door (31), the first left plate (27), the front double-folding door (34), the upper escape door (16), the lower escape door (22), the top escape door (18) and the bottom escape door (21).

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