CN214989850U

CN214989850U - Special lifting device in fan tower cylinder

Info

Publication number: CN214989850U
Application number: CN202120049578.1U
Authority: CN
Inventors: 王东; 刘孝宝; 陈磊
Original assignee: Three Gorges New Energy Baicheng Wind Power Development Co ltd
Current assignee: Three Gorges New Energy Baicheng Wind Power Development Co ltd
Priority date: 2021-01-09
Filing date: 2021-01-09
Publication date: 2021-12-03
Anticipated expiration: 2031-01-09

Abstract

The utility model provides a special hoisting tool in a fan tower cylinder, which comprises an overhauling crawling ladder fixed on the inner side wall of the fan tower cylinder, crawling ladder cross rods are equidistantly arranged on the overhauling crawling ladder, and a triangular support frame structure is arranged on the crawling ladder cross rod in a detachable installation mode; the triangular support frame structure comprises a main support rod, the top end of the main support rod is connected with the crawling ladder cross rod in a clamping mode through a top clamping structure, an inclined support rod is fixed at the bottom end of the main support rod, and the bottom end of the inclined support rod is connected with the crawling ladder cross rod in a clamping mode through a bottom clamping structure; and a fixed pulley mechanism is arranged on the side wall of the triangular support frame structure, and a traction steel wire rope for hoisting is wound on the fixed pulley mechanism. This lifting device can be used for the vertical hoisting of the inside supplementary maintenance frock of fan tower section of thick bamboo, especially is used for the hoist and mount of heavy multiplexer utensil such as hydraulic power unit, and the fine operation process is born to the manual work of replacing.

Description

Special lifting device in fan tower cylinder

Technical Field

The utility model relates to a fan overhauls the device field, especially relates to a special lifting device in fan tower section of thick bamboo.

Background

The Sanxia New energy Baicheng wind power development Limited company (hereinafter referred to as Baicheng company) maintains itself always after the quality guarantee period of the unit in 7 months of 2009 and one year (750 kW). The large-scale maintenance of fan is 2 times, and small-size patrols and examines 24 times each year, and wherein large-scale maintenance working strength is high, and the maintenance project is numerous. Especially, the bolt fastening work of the unit is the heaviest, the bolt fastening work occupies 3 hours when a single unit is overhauled for 4 hours at each time, wherein in the bolt fastening work process, a hydraulic fastening device needs to be used for fastening, and the hydraulic fastening device needs a matched mobile hydraulic station to provide hydraulic energy for the hydraulic fastening device, so that in the overhaul process, heavy tools such as the hydraulic station and the like need to be transported to corresponding overhaul positions to overhaul. In the specific maintenance operation process, the influence on the working time is mainly vertical hoisting of heavy tools such as hydraulic stations, and the heavy tools such as the hydraulic stations are carried by manpower every time, so that the danger is high, the efficiency is low, and the influence on the maintenance operation is great.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides a special lifting device in fan tower section of thick bamboo, and this lifting device can be used for the vertical hoisting of the inside supplementary maintenance frock of fan tower section of thick bamboo, especially is used for the hoist and mount of heavy multiplexer utensil such as hydraulic power unit, and the operation process is born to fine replacement traditional manual work, great improvement the maintenance efficiency of fan tower section of thick bamboo, improved the security of operation.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a special hoisting tool in a fan tower cylinder comprises an overhauling crawling ladder fixed on the inner side wall of the fan tower cylinder, crawling ladder cross rods are arranged on the overhauling crawling ladder at equal intervals, and a triangular support frame structure is mounted on each crawling ladder cross rod in a detachable mounting mode;

the triangular support frame structure comprises a main support rod, the top end of the main support rod is connected with the crawling ladder cross rod in a clamping mode through a top clamping structure, an inclined support rod is fixed at the bottom end of the main support rod, and the bottom end of the inclined support rod is connected with the crawling ladder cross rod in a clamping mode through a bottom clamping structure;

and a fixed pulley mechanism is arranged on the side wall of the triangular support frame structure, and a traction steel wire rope for hoisting is wound on the fixed pulley mechanism.

The top clamping structure comprises a first limiting column and a second limiting column which are fixed on the lower side wall of the top of the main supporting rod, the distance between the first limiting column and the second limiting column is equal to the width of the ladder stand cross rod, and the main supporting rod is fixed on the ladder stand cross rod.

The bottom clamping structure comprises a third limiting column and a fourth limiting column which are fixed at the bottom end of the diagonal brace, the distance between the third limiting column and the fourth limiting column is equal to the width of the ladder stand cross rod, and the bottom end of the diagonal brace is fixed on the ladder stand cross rod.

The fixed pulley mechanism comprises a wheel shaft fixing block fixed at the connecting part of the main support rod and the inclined support rod, a wheel shaft is fixedly installed on the side wall of the wheel shaft fixing block, a fixed pulley is installed on the wheel shaft through a bearing support, and the fixed pulley is matched with the traction steel wire rope.

And a limiting cross rod is fixedly arranged on the side wall of the main supporting rod and above the fixed pulley.

When the lifting device is used, one end of the traction steel wire rope is connected with the electric hoist, and the other end of the traction steel wire rope is connected with a lifting ring of a hydraulic station to be lifted through a buckle structure.

The buckle structure comprises a U-shaped hoop, the U-shaped hoop is clamped and fixed on the locking plate through a locking nut, and the U-shaped hoop is matched with the locking plate to lock the end of the traction steel wire rope.

The utility model discloses there is following beneficial effect:

1. the utility model discloses a white city company's staff has borrowed engineering scaffold frame theory of operation, according to on-the-spot actual conditions, has made this special lifting device, through white city company's special lifting device's application, has improved work efficiency, very big reduction the potential safety hazard, alleviateed staff's intensity of labour.

2. White city company independently research and development the utility model discloses special lifting device not only golden fan group can use, and other any wind turbine type are as long as all can make the special lifting device that accords with oneself finely tune. The method has the advantages that the method is used by multiple project companies in northeast branch companies, the effect is good, and potential safety hazards are avoided. The special tool is not only limited to be used during maintenance, but also can be used when the special tool is used for eliminating the shortage of work or processing the fan fault at ordinary times, such as severe weather of strong wind, strong fog or ice rain, and the like, and can not be used for hoisting heavy tools outside the tower, and the special tool is safe and efficient.

3. The top of the main supporting rod can be fixedly connected with the cross rod of the ladder stand through the top clamping structure, and accordingly the top of the triangular supporting frame structure is fixed.

4. The bottom clamping structure can fixedly connect the inclined support rod with the cross rod of the ladder stand, so that the bottom of the triangular support frame structure is fixed.

5. The fixed pulley mechanism can be used for transition guiding of the traction steel wire rope, so that smooth sliding of the traction steel wire rope is guaranteed, and the smoothness of hoisting of the traction steel wire rope is guaranteed.

6. The limiting cross rod can be used for limiting the traction steel wire rope, so that the risk of falling of the traction steel wire rope is avoided.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a three-dimensional view of the present invention.

Fig. 2 is the three-dimensional diagram of the triangular support frame structure of the present invention.

In the figure: the device comprises a fan tower barrel 1, an overhauling ladder 2, a ladder cross rod 3, a main support rod 4, a limiting cross rod 5, a fixed pulley 6, a wheel shaft 7, a wheel shaft fixing block 8, an inclined support rod 9, a locking plate 10, a U-shaped clamp 11, a locking nut 12, a lifting ring 13, a hydraulic station 14, a fourth limiting column 15, a third limiting column 16, a traction steel wire rope 17, a second limiting column 18 and a first limiting column 19.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1-2, the special hoisting tool in the fan tower cylinder comprises an overhaul ladder stand 2 fixed on the inner side wall of a fan tower cylinder 1, ladder stand cross rods 3 are arranged on the overhaul ladder stand 2 at equal intervals, and a triangular support frame structure is mounted on the ladder stand cross rods 3 in a detachable mounting mode; the triangular support frame structure comprises a main support rod 4, the top end of the main support rod 4 is connected with the ladder stand cross rod 3 in a clamping mode through a top clamping structure, an inclined support rod 9 is fixed at the bottom end of the main support rod 4, and the bottom end of the inclined support rod 9 is connected with the ladder stand cross rod 3 in a clamping mode through a bottom clamping structure; and a fixed pulley mechanism is arranged on the side wall of the triangular support frame structure, and a traction steel wire rope 17 for hoisting is wound on the fixed pulley mechanism. Through adopting the utility model discloses a lifting device can be used for fan tower section of thick bamboo maintenance in-process, and the hoist and mount of heavy maintenance instrument play to rise the use, and it adopts triangle-shaped bearing structure, and the fixed stay that can stabilize during the use is on overhauing cat ladder 2, and then the cooperation pulls wire rope 17 and realizes the hoist and mount of heavy maintenance equipment at last, has improved maintenance equipment's hoist and mount efficiency, has reduced operation personnel's intensity of labour, simultaneously also great reinforcing operation personnel's security.

Further, the top clamping structure comprises a first limiting column 19 and a second limiting column 18 which are fixed on the lower side wall of the top of the main support rod 4, the distance between the first limiting column 19 and the second limiting column 18 is equal to the width of the ladder climbing cross rod 3, and the main support rod 4 is fixed on the ladder climbing cross rod 3. The top of the main support rod 4 can be fixedly connected with the ladder stand cross rod 3 through the top clamping structure, and then the top of the triangular support frame structure is fixed.

Further, the bottom clamping structure comprises a third limiting column 16 and a fourth limiting column 15 which are fixed at the bottom end of the inclined stay bar 9, the distance between the third limiting column 16 and the fourth limiting column 15 is equal to the width of the ladder cross bar 3, and the bottom end of the inclined stay bar 9 is fixed on the ladder cross bar 3. The inclined supporting rod 9 and the ladder stand cross rod 3 can be fixedly connected through the bottom clamping structure, and then the bottom of the triangular support frame structure is fixed.

Further, the fixed pulley mechanism comprises a wheel axle fixing block 8 fixed at the connecting part of the main support rod 4 and the inclined support rod 9, a wheel axle 7 is fixedly installed on the side wall of the wheel axle fixing block 8, a fixed pulley 6 is installed on the wheel axle 7 through a bearing support, and the fixed pulley 6 is matched with a traction steel wire rope 17. The fixed pulley mechanism can be used for transition guiding of the traction steel wire rope 17, so that smooth sliding of the traction steel wire rope is guaranteed, and the smoothness of hoisting of the traction steel wire rope is guaranteed.

Furthermore, a limiting cross rod 5 is fixedly arranged on the side wall of the main supporting rod 4 and above the fixed pulley 6. The limiting cross rod 5 can be used for limiting the traction steel wire rope, so that the falling danger of the traction steel wire rope is prevented.

Further, when the lifting device is used, one end of the traction steel wire rope 17 is connected with the electric hoist, and the other end of the traction steel wire rope is connected with a lifting ring 13 of a hydraulic station 14 to be lifted through a buckle structure. Through foretell installation arrangement mode, it adopts the electric mode to realize hoist and mount and pulls, and then has reduced operation personnel's intensity of labour, has guaranteed normal traction process. Meanwhile, the traction efficiency is improved.

Further, buckle structure includes U type clamp 11, U type clamp 11 clamps through lock nut 12 and fixes on locking plate 10, U type clamp 11 and locking plate 10 cooperate and lock haulage wire rope 17's end. The clamping structure can be used for effectively fixing the end of the traction steel wire rope 17, and then the end of the traction steel wire rope is fixedly connected with the lifting ring 13 of the hydraulic station 14. Meanwhile, the disassembly of the two is convenient.

Furthermore, the tool of the utility model adopts a 5mm high-strength steel pipe as a whole, the weight is about 3kg, and the tool is flexible to use and convenient to carry; the special tool is 50cm in length, the inclined bracket is 40cm, and the special tool is fixed on the ladder stand in a triangular shape and is very stable; in order to reduce the potential safety hazard, the tool is additionally provided with matched anti-falling equipment, such as an anti-falling device, a mechanical static rope capable of bearing 22KN, a manual descent control device and the like.

The utility model discloses a working process and principle do:

firstly, fixedly installing a top clamping structure and a bottom clamping structure of the triangular support frame structure on a ladder stand cross rod 3 with a proper height; then, one end of a traction steel wire rope of the electric hoist is wound around a fixed pulley 6 of a fixed pulley mechanism, and the end of the traction steel wire rope is fixedly connected with a lifting ring 13 of a hydraulic station 14 through a buckle structure; and finally, starting the electric hoist, drawing the steel wire rope 17 through the electric hoist, and driving the hydraulic station 14 at the other end of the electric hoist to hoist and lift through the steel wire rope 17.

Claims

1. A special lifting device in a fan tower cylinder is characterized in that: the maintenance ladder stand comprises a maintenance ladder stand (2) fixed on the inner side wall of a fan tower cylinder (1), ladder stand cross rods (3) are arranged on the maintenance ladder stand (2) at equal intervals, and a triangular support frame structure is mounted on each ladder stand cross rod (3) in a detachable mounting mode;

the triangular support frame structure comprises a main support rod (4), the top end of the main support rod (4) is connected with a ladder stand cross rod (3) in a clamping mode through a top clamping structure, an inclined support rod (9) is fixed at the bottom end of the main support rod (4), and the bottom end of the inclined support rod (9) is connected with the ladder stand cross rod (3) in a clamping mode through a bottom clamping structure;

and a fixed pulley mechanism is arranged on the side wall of the triangular support frame structure, and a traction steel wire rope (17) for hoisting is wound on the fixed pulley mechanism.

2. The special hoisting tool in wind turbine tower drum as claimed in claim 1, wherein: the top clamping structure comprises a first limiting column (19) and a second limiting column (18) which are fixed on the lower side wall of the top of the main support rod (4), the distance between the first limiting column (19) and the second limiting column (18) is equal to the width of the ladder climbing cross rod (3), and the main support rod (4) is fixed on the ladder climbing cross rod (3).

3. The special hoisting tool in wind turbine tower drum as claimed in claim 1, wherein: the bottom clamping structure comprises a third limiting column (16) and a fourth limiting column (15) which are fixed at the bottom end of the inclined stay bar (9), the distance between the third limiting column (16) and the fourth limiting column (15) is equal to the width of the ladder stand cross bar (3), and the bottom end of the inclined stay bar (9) is fixed on the ladder stand cross bar (3).

4. The special hoisting tool in wind turbine tower drum as claimed in claim 1, wherein: the fixed pulley mechanism comprises a wheel shaft fixing block (8) fixed at the connecting part of a main support rod (4) and an inclined support rod (9), a wheel shaft (7) is fixedly installed on the side wall of the wheel shaft fixing block (8), a fixed pulley (6) is installed on the wheel shaft (7) through a bearing support, and the fixed pulley (6) is matched with a traction steel wire rope (17).

5. The special hoisting tool in wind turbine tower drum as claimed in claim 4, wherein: and a limiting cross rod (5) is fixedly arranged on the side wall of the main supporting rod (4) and above the fixed pulley (6).

6. The special hoisting tool in wind turbine tower drum as claimed in claim 1, wherein: when the lifting device is used, one end of the traction steel wire rope (17) is connected with the electric hoist, and the other end of the traction steel wire rope is connected with a lifting ring (13) of a hydraulic station (14) to be lifted through a buckle structure.

7. The special hoisting tool in wind turbine tower drum as claimed in claim 6, wherein: the buckle structure comprises a U-shaped clamp (11), the U-shaped clamp (11) is clamped and fixed on a locking plate (10) through a locking nut (12), and the U-shaped clamp (11) and the locking plate (10) are matched with each other to lock the end of a traction steel wire rope (17).