CN213928645U - Wind power maintenance guide rail platform - Google Patents
Wind power maintenance guide rail platform Download PDFInfo
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- CN213928645U CN213928645U CN202023335159.9U CN202023335159U CN213928645U CN 213928645 U CN213928645 U CN 213928645U CN 202023335159 U CN202023335159 U CN 202023335159U CN 213928645 U CN213928645 U CN 213928645U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to a wind-powered electricity generation maintenance guide rail platform, including the hanging flower basket device, install the fixing device on the hanging flower basket device, hang the rail set, the counter weight device, install the electronic rail climbing ware on hanging the rail set and install the double hanging seat device on electronic rail climbing ware, the hanging flower basket device goes up and down along a tower section of thick bamboo, and on fixing wind power equipment through fixing device, through the equilibrium of counter weight device improve equipment, in operation, through the closed of the hydro-cylinder control suspension track that opens and shuts of operation, and utilize track closed locking device to be integrative with two suspension rail lockings, the electronic rail climbing ware on the suspension track drives double hanging seat and translates on the suspension track, overhaul all around the blade, and can realize reciprocating along the blade under the drive of double hanging seat lifting machine, carry out the blade maintenance in upper and lower direction, the device is steady, safety, and lie in the body of the tower, The parts contacted with the blades are provided with wall wheels or guide wheels, so that the tower body and the blades are protected.
Description
Technical Field
The utility model relates to a maintenance platform, especially wind-powered electricity generation maintenance guide rail platform.
Background
The fan blade is one of the key parts of the wind turbine, the performance of the fan blade directly affects the performance of the whole system, the blade works at high altitude and is very harsh in environment, various media in the air almost erode the blade every moment, the wind, the rain, the snow and the sand can be damaged at any time, and the hidden danger can be developed into accidents every day
According to statistics, the accident multi-occurrence period of the wind power plant is mostly in the full wind power generation period, the accident generated by the blades accounts for one third of the accident, the power plant must stop generating power when the blades are in the accident, and then the power plant starts to carry out emergency repair, and the blades must be replaced seriously, which leads to high maintenance cost and brings great economic loss to the wind power plant. Therefore, daily maintenance and repair of the blade must be increased to ensure the service life of the blade. However, the wind tower is 65 meters high at the lowest and has high height, and the blades are far away from the tower body and are arranged obliquely relative to the tower body, so that the maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a high, conveniently maintain the blade, and can not cause the wind-powered electricity generation maintenance guide rail platform of damage to the blade, concrete technical scheme is:
wind-powered electricity generation maintenance guide rail platform, including the hanging flower basket device, still include: the double-person hanging chair device, the hanging rail device, the fixing device and the counterweight device; the hanging rail device is installed on top of the basket device, the hanging rail device comprising: the double-person hanging chair comprises two hanging rails, a rail opening and closing device, an opening and closing oil cylinder, a rail closing and locking device and an electric rail climbing device, wherein the opening and closing oil cylinder is linked with the rail opening and closing device, the rail opening and closing device is connected with the two hanging rails and used for driving the two hanging rails to open and close, the two hanging rails are close to the periphery of a fan blade, one ends of the two hanging rails, which are far away from the opening and closing oil cylinder, are provided with the rail closing and locking device and used for locking the two hanging rails into a whole, the electric rail climbing device is installed on the two hanging rails, a liftable double-person hanging chair device is arranged below the electric rail climbing device, and the electric rail climbing device is used for driving the double-person hanging chair device to translate along the hanging rails; the fixing device is arranged on the hanging basket device and used for fixing the hanging basket device on the wind power equipment; and counterweight devices for maintaining balance are arranged on two sides of the bottom of the hanging basket device.
Further, the rail opening and closing device includes: the support arm with the piston linkage of the hydro-cylinder that opens and shuts, with the linking arm and the actuating arm of the other end hub connection of support arm, with the fixed arm of the other end hub connection of linking arm, the actuating arm is connected in the orbital medial surface that hangs, the flexible support arm that promotes of the piston of the hydro-cylinder that opens and shuts moves along the flexible direction of piston, the support arm drives linking arm and actuating arm and carries out the rotation of axes for the actuating arm promotes to hang orbital opening and shutting.
Furthermore, a sliding support surface is arranged below the track opening and closing device and is positioned at the bottom of the hanging track.
Further, the double-person hanging chair device is arranged up and down, a double-person hanging chair device hoister is arranged on the back face of the double-person hanging chair device, an anti-rotation steel wire rope is connected between the double-person hanging chair device hoister and the electric rail climbing device, the double-person hanging chair device hoister is used for driving the hanging chair to move up and down along the fan blade, and wall leaning wheels are arranged on two sides of the double-person hanging chair device and roll up and down along the blade.
Further, the fixing device comprises a steel wire rope tensioning and locking device and/or a blade root clamping device; the steel wire rope tensioning and locking device is arranged on the periphery of the fan tower body and connected with the hanging basket device, and the steel wire rope tensioning and locking device is used for locking the hanging basket device on the side face of the fan tower body; the blade root clamping device is arranged on one side of the blade root, is arranged on the hanging basket device and is used for pressing the hanging basket device fixed at the blade root.
Further, the wire rope tightens locking device and is provided with two sets that distribute from top to bottom, every set the wire rope tightens locking device include: the device comprises a reset spring, two swing rods, a tensioning steel wire rope and a tightener, wherein one ends of the two swing rods are connected through the tensioning steel wire rope, the other ends of the two swing rods are respectively connected with the reset spring, the reset spring is installed on two side faces of the hanging basket device and used for achieving resetting of the swing rods, and the tensioning steel wire rope is connected with the tightener.
Further, the outer part of the tensioning steel wire rope is wound with a protective sleeve.
Furthermore, the swing rod is provided with a radian device, and one end of the swing rod, which is connected with the steel wire rope, is provided with a guide wheel which slides along the tower body of the fan.
Further, the blade root clamping device comprises a circular arc-shaped clamping plate, a rubber plate arranged on the clamping plate, driven pressure rods, driving pressure rods, compression nuts, compression screws and compression hand wheels, wherein one ends of the driven pressure rods are hinged with the clamping plate and are symmetrically positioned at two ends of the clamping plate, two ends of the driving pressure rods are hinged with the other ends of the driven pressure rods and the hanging basket device respectively and are symmetrically arranged, the compression nuts are hinged on the driving pressure rods, the compression screws are in threaded connection with the compression nuts, and the compression hand wheels are fixed on the compression screws.
Further, the counterweight device includes: the hanging basket device comprises a counterweight arm and counterweight blocks, wherein the counterweight arm adopts a folding device, the counterweight arm is installed on two sides of the bottom of the hanging basket device and located on different sides of the tower body, guide wheels are arranged on the side faces, close to the tower body, of the counterweight arm, the counterweight blocks are installed on the counterweight arm, and the counterweight blocks are located at one ends, far away from the hanging basket device, of the counterweight arm.
Further, install the lifting machine on the hanging flower basket device, be connected with between the hanging point at lifting machine and fan tower body top and promote wire rope, lifting machine rolling promotes wire rope and is used for driving the hanging flower basket device and goes up and down, the back of hanging flower basket device is provided with by the wall wheel.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a wind-powered electricity generation maintenance guide rail platform utilizes the lift to drive hanging flower basket device and goes up and down, and on fixing wind power equipment through fixing device, simultaneously through the equilibrium of counter weight device improve equipment, in operation, open and shut hydro-cylinder control through the operation and hang orbital closure, and utilize track closed locking device to be integrative with two track lockings that hang, the electronic rail climbing ware that hangs on the track drives double hanging chair translation on hanging the track, overhaul all around the blade, and can realize reciprocating along the blade under the drive of double hanging chair lifting machine, the ascending blade of direction is overhauld from top to bottom, this patent device is steady, safety, and lie in the body of the tower, install on the part of blade contact and lean on wall wheel or guide pulley, the body of the tower has been protected, the blade.
Drawings
FIG. 1 is a schematic view of the inner side of a blade root of a service platform when the present patent application is in operation;
FIG. 2 is a schematic view of the present patent application in an operating position, outside of a maintenance platform;
FIG. 3 is a schematic view of the apparatus of the present patent application;
FIG. 4 is a schematic view of yet another apparatus of the present patent application;
FIG. 5 is a schematic cross-sectional view of the suspension rail in a closed position;
FIG. 6 is a schematic cross-sectional view of the suspension rail in an open state;
FIG. 7 is a schematic cross-sectional view of the wire rope tension lock with the tensioned wire rope in a released condition;
FIG. 8 is a schematic cross-sectional view of the wire rope tension lock with the tensioned wire rope in a tensioned state;
FIG. 9 is a schematic cross-sectional view of a counterweight arrangement;
FIG. 10 is a schematic view of the blade root clamp compressed against the blade root;
FIG. 11 is a top view of the blade root clamp compressed against the blade root;
FIG. 12 is a top view of the root clamp releasing the blade root;
fig. 13 is a schematic view of the construction of the blade root fixture.
In the figure, 1, a tower body, 2, blades, 3, a hanging basket device, 301, a lifter, 302 and a steel wire rope,
4. a suspension rail device 401, a suspension rail 402, a rail opening and closing device 403, an opening and closing oil cylinder,
404. a track closing locking device 405, an electric rail climbing device 406, a double hanging chair 407, a double hanging chair lifter 408, an anti-rotation steel wire rope,
4021. a supporting arm 4022, a connecting arm 4023, a driving arm 4024 and a fixing arm,
5. a steel wire rope tensioning and locking device 501, a return spring 502, a swing rod 503, a tensioning steel wire rope 503,
504. a tightener 510, a clamping plate 511, a rubber plate 512, a driven pressure lever 513, a driving pressure lever 514, a compaction screw 515, a compaction hand wheel 516, a compaction nut,
6. a counterweight device 601, a counterweight arm 602, a counterweight block,
7. wall leaning wheel 8, sliding support surface 9, guide wheel 10 and safety rope.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 9, the present patent application includes: the lifting device is a main platform and is used for bearing the lifting of the whole equipment, safety and reliability are realized, a lifting machine and a main control electric box are installed on the hanging basket device, a lifting steel wire rope is connected between the lifting machine and a hanging point at the top of a fan tower body, the lifting machine winds the lifting steel wire rope to drive the hanging basket device to lift, 4 lifting steel wire ropes synchronously lift and move, the lifting state of the equipment is guaranteed to be stable, a wall leaning wheel is arranged on the back of the hanging basket device and slides along the fan tower body, and the tower body is protected; the hanging basket device is provided with a safety lock, the safety lock is matched with the safety rope and used for lifting protection, and when the hanging basket device is lifted in place, the hanging basket device is manually hung on a hook at the end part of the working steel wire rope; the hanging basket device descends to enable the weight of the hanging basket device to be completely transferred to the working steel wire rope, the safety steel wire rope and the lifting steel wire rope are slightly loosened, then the safety steel wire rope is manually tensioned, and the safety steel wire rope is guaranteed to play a protection role.
The fixing device comprises a steel wire rope tensioning and locking device and/or a blade root clamping device; the wire rope tensioning and locking device is arranged at the periphery of the fan tower body and is connected with the hanging basket device, and the wire rope tensioning and locking device is used for locking the hanging basket device on the side face of the fan tower body; the blade root clamping device is arranged on one side of the blade root, is installed on the hanging basket device and is used for pressing the hanging basket device fixed on the blade root.
As shown in fig. 3 to 6, a hanging rail device is installed at the top of the hanging basket device, the hanging rail device comprises two hanging rails, a rail opening and closing device, an opening and closing oil cylinder, a rail closing and locking device, an electric rail climbing device and a double hanging chair device, the opening and closing oil cylinder is linked with the rail opening and closing device, and the rail opening and closing device is connected with the two hanging rails and used for driving the opening and closing of the two hanging rails, further: the track switching device sets up two sets of symmetries, and every track switching device of group corresponds one respectively and drives a suspension rail, and every track switching device of group includes: the support arm is linked with the piston of the opening and closing oil cylinder, the connecting arm and the driving arm are connected with the other end of the support arm in a shaft mode, the fixing arm is connected with the other end of the connecting arm in a shaft mode, the driving arm is connected to the inner side face of the hanging rail, the piston of the opening and closing oil cylinder stretches and retracts to push the support arm to move along the stretching direction of the piston, the support arm drives the connecting arm and the driving arm to rotate in a shaft mode, the hanging rail is pushed to open and close through the driving arm, a sliding support face is arranged below the rail opening and closing device and located at the bottom of the hanging rail, the sliding support face is provided with a smooth face, and due to the fact that the sliding support face has small friction force with the bottom of the rail, the rail is opened and closed more smoothly; the two hanging rails are close to the periphery of the fan blade, one ends of the two hanging rails, which are far away from the hanging basket device, are provided with rail closing locking devices, when the hanging guide rails are in a closed state as shown in figure 5, the rail closing locking devices are pushed through electric push rods, so that the two hanging rails are locked into a whole, one ends of the hanging rails, which are far away from the tower body, are also provided with blade auxiliary supporting devices, the hanging rails and the blade auxiliary supporting devices prop against the blade, so that the two ends of the hanging rails are stressed, and the stress state is better; an electric rail climbing device is arranged on the suspension rail, a double hanging chair device is arranged below the electric rail climbing device, when the suspension rail is locked into a whole, the electric rail climbing device can horizontally climb along the hanging rail to drive the double-seat hanging chair device to move around the fan blade, the double-seat hanging chair device is arranged up and down, the back of the double-seat hanging chair device is provided with a double-seat hanging chair device lifter, one end of the anti-rotation steel wire rope is connected with the double-seat hanging chair device lifter, the other end of the anti-rotation steel wire rope is connected with the electric rail climbing device, the lift of the double-person hanging chair device drives the hanging chair to move up and down along the fan blade, the anti-rotation steel wire rope is adopted to lift synchronously to ensure the stable state of the double-person hanging chair device, the two sides of the double-person hanging chair device are provided with wall wheels, the extending distance can be adjusted, the wall wheels roll up and down along the blade to prevent the blade from being damaged, and an operator can manually adjust the included angle between the double-person hanging chair device and the blade through the double-person hanging chair device.
Fig. 7 and 8 show that the hanging flower basket device is connected with the steel wire rope tensioning locking device, the steel wire rope tensioning locking device is provided with two sets which are distributed from top to bottom, the steel wire rope tensioning locking device locks the hanging flower basket device on the periphery of the tower body of the fan, and the steel wire rope tensioning locking device comprises: the device comprises a reset spring, two swing rods with radian devices and a tensioning steel wire rope, wherein one ends of the two swing rods are connected through the tensioning steel wire rope, one end of each swing rod connected with the steel wire rope is provided with a guide wheel to protect a tower body, the other ends of the two swing rods are respectively connected with the reset spring, and the reset springs are arranged on two side surfaces of a hanging basket device to realize the reset of the swing rods; the outer part of the tensioning steel wire rope is wound with the protective sleeve to protect the tower body, the tensioning steel wire rope is connected with the tightener to achieve tightness of the tensioning steel wire rope, and when the hanging basket device reaches a specified position, workers on the hanging basket device use the tightener to tighten the steel wire rope to lock the equipment on the tower body.
As shown in fig. 9, counterweight devices are installed at both sides of the bottom of the basket device for keeping the balance of the equipment, and the counterweight devices include: the hanging basket device comprises a counterweight arm and a counterweight block, wherein the counterweight arm is a folding device and is convenient to transport and store, the counterweight arm is installed on two sides of the bottom of the hanging basket device and located on different sides of the tower body, a guide wheel is arranged on one side face, close to the tower body, of the counterweight arm to protect the tower body, the counterweight block is installed on the counterweight arm and located at one end, far away from the hanging basket device, of the counterweight arm.
As shown in fig. 10 to 13, the blade root clamping device includes an arc-shaped clamping plate, a rubber plate mounted on the clamping plate, driven pressure rods with one ends hinged to the clamping plate and symmetrically located at two ends of the clamping plate, driving pressure rods with two ends hinged to the other ends of the driven pressure rods and the basket device respectively and symmetrically located, a gland nut hinged to the driving pressure rods, a gland screw connected with the gland nut through threads, and a gland hand wheel fixed on the gland screw. The compression screw is rotated, the compression screw adjusts the included angle between the two driving pressure rods through the compression nut, so that the distance between the clamping plate and the blade is adjusted, the blade is compressed and loosened, when the blade is compressed, the hanging basket device is fixed, the stability and the safety are improved, and the hanging basket device can be lifted after the blade is loosened.
When the device is adopted for blade maintenance, firstly, a safe and reliable hanging point is arranged at the top of the tower body of the fan, one end of a steel wire rope penetrates into the hanging point, the other end of the steel wire rope penetrates into the equipment safety lock and the lifting machine, the safety rope is fixed, the safety rope is tied by an operator, protective measures are made, the steel wire rope is tied around the tower body to tighten the steel wire rope in the locking device, and the steel wire rope is in a loose state; a steel wire rope is fixed on a rope hanging plate of the electric rail climbing device, the other end of the steel wire rope penetrates into a double-person hanging chair device lifter of a double-person hanging chair device, when a hanging guide rail is in an open state, the hanging basket device is lifted to the horizontal height of a blade root by using the lifter, an operator in a hanging basket platform tightens the tightening steel wire rope through a tightener, controls an opening-closing oil cylinder to close the hanging guide rail, locks a rail closing locking device at the far end of the hanging guide rail, and enables 2 hanging guide rails to be locked into a whole; an operator can control the electric rail climbing device on the guide rail to move horizontally, maintenance construction can be carried out on the periphery of the blade at the current horizontal position, the operator in the double-person hanging chair device adjusts the wall leaning wheel, controls the double-person hanging chair device to descend along the blade, can carry out maintenance construction on the blade at the current position in the vertical direction, and can carry out construction operation on the whole maintenance surface of the blade by translation of the electric rail climbing device and lifting of the double-person hanging chair device; after construction is finished, the double-person hanging chair device is lifted to the top end, the electric rail climbing device is moved close to the hanging basket platform, the rail closing and locking device at the far end of the guide rail is opened firstly, the hanging guide rail is opened, the steel wire rope is loosened and tensioned finally, the equipment is lowered to the ground by the aid of the lifter, personnel leave the equipment, the steel wire rope is drawn out, and the equipment is dismantled.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.
Claims (10)
1. Wind-powered electricity generation maintenance guide rail platform, including the hanging flower basket device, its characterized in that: further comprising: the double-person hanging chair device, the hanging rail device, the fixing device and the counterweight device;
the hanging rail device is installed on top of the basket device, the hanging rail device comprising: the double-person hanging chair comprises two hanging rails, a rail opening and closing device, an opening and closing oil cylinder, a rail closing and locking device and an electric rail climbing device, wherein the opening and closing oil cylinder is linked with the rail opening and closing device, the rail opening and closing device is connected with the two hanging rails and used for driving the two hanging rails to open and close, the two hanging rails are close to the periphery of a fan blade, one ends of the two hanging rails, which are far away from the opening and closing oil cylinder, are provided with the rail closing and locking device and used for locking the two hanging rails into a whole, the electric rail climbing device is installed on the two hanging rails, a liftable double-person hanging chair device is arranged below the electric rail climbing device, and the electric rail climbing device is used for driving the double-person hanging chair device to translate along the hanging rails;
the fixing device is arranged on the hanging basket device and used for fixing the hanging basket device on the wind power equipment;
and counterweight devices for maintaining balance are arranged on two sides of the bottom of the hanging basket device.
2. The wind power maintenance guide rail platform of claim 1, wherein: the track opening and closing device includes: the support arm with the piston linkage of the hydro-cylinder that opens and shuts, with the linking arm and the actuating arm of the other end hub connection of support arm, with the fixed arm of the other end hub connection of linking arm, the actuating arm is connected in the orbital medial surface that hangs, the flexible support arm that promotes of the piston of the hydro-cylinder that opens and shuts moves along the flexible direction of piston, the support arm drives linking arm and actuating arm and carries out the rotation of axes for the actuating arm promotes to hang orbital opening and shutting.
3. The wind power maintenance guide rail platform of claim 2, wherein: and a sliding support surface is arranged below the track opening and closing device and is positioned at the bottom of the hanging track.
4. The wind power maintenance guide rail platform of claim 1, wherein: the double-person hanging chair device is arranged up and down, a double-person hanging chair device lifting machine is arranged on the back face of the double-person hanging chair device, an anti-rotation steel wire rope is connected between the double-person hanging chair device lifting machine and the electric rail climbing device, the double-person hanging chair device lifting machine is used for driving a hanging chair to move up and down along a fan blade, and wall leaning wheels are arranged on two sides of the double-person hanging chair device and roll up and down along the blade.
5. The wind power maintenance guide rail platform of claim 1, wherein: the fixing device comprises a steel wire rope tensioning and locking device and/or a blade root clamping device;
the steel wire rope tensioning and locking device is arranged on the periphery of the fan tower body, the steel wire rope tensioning and locking device is connected with the hanging basket device, and the steel wire rope tensioning and locking device is used for locking the hanging basket device on the side face of the fan tower body;
the blade root clamping device is arranged on one side of the blade root, is arranged on the hanging basket device and is used for pressing the hanging basket device fixed at the blade root.
6. The wind power maintenance guide rail platform of claim 5, wherein:
the wire rope tightens locking device and is provided with two sets that distribute from top to bottom, every set the wire rope tightens locking device include: the device comprises a reset spring, two swing rods, a tensioning steel wire rope and a tightener, wherein one ends of the two swing rods are connected through the tensioning steel wire rope, the other ends of the two swing rods are respectively connected with the reset spring, the reset spring is installed on two side faces of the hanging basket device and used for achieving resetting of the swing rods, and the tensioning steel wire rope is connected with the tightener.
7. The wind power maintenance guide rail platform of claim 6, wherein: the swing rod is provided with a radian device, and one end of the swing rod, which is connected with the steel wire rope, is provided with a guide wheel which slides along the tower body of the fan.
8. The wind power maintenance guide rail platform of claim 5, wherein:
the blade root clamping device comprises an arc-shaped clamping plate, a rubber plate arranged on the clamping plate, driven pressure rods, driving pressure rods, compression nuts, compression screws and compression hand wheels, wherein one ends of the driven pressure rods are hinged with the clamping plate and are symmetrically positioned at two ends of the clamping plate, two ends of the driving pressure rods are hinged with the other ends of the driven pressure rods and the hanging basket device respectively and are symmetrically arranged, the compression nuts are hinged on the driving pressure rods, the compression screws are in threaded connection with the compression nuts, and the compression hand wheels are fixed on the compression screws.
9. The wind power maintenance guide rail platform of claim 1, wherein: the counterweight device includes: the hanging basket device comprises a counterweight arm and counterweight blocks, wherein the counterweight arm adopts a folding device, the counterweight arm is installed on two sides of the bottom of the hanging basket device and located on different sides of the tower body, guide wheels are arranged on the side faces, close to the tower body, of the counterweight arm, the counterweight blocks are installed on the counterweight arm, and the counterweight blocks are located at one ends, far away from the hanging basket device, of the counterweight arm.
10. The wind power maintenance guide rail platform of claim 1, wherein: the lifting device is characterized in that a lifting machine is installed on the hanging basket device, a lifting steel wire rope is connected between the lifting machine and a hanging point at the top of the fan tower body, the lifting machine winds the lifting steel wire rope and is used for driving the hanging basket device to lift, and a wall leaning wheel is arranged on the back of the hanging basket device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023335159.9U CN213928645U (en) | 2020-12-31 | 2020-12-31 | Wind power maintenance guide rail platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023335159.9U CN213928645U (en) | 2020-12-31 | 2020-12-31 | Wind power maintenance guide rail platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213928645U true CN213928645U (en) | 2021-08-10 |
Family
ID=77157685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023335159.9U Active CN213928645U (en) | 2020-12-31 | 2020-12-31 | Wind power maintenance guide rail platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213928645U (en) |
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2020
- 2020-12-31 CN CN202023335159.9U patent/CN213928645U/en active Active
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