Personnel and material lifting channel for medium-sized wind driven generator
By designing a lifting channel system for the tower, nacelle, winch, and lifeline rope in a medium-sized wind turbine, the problem of materials being difficult to access the nacelle during maintenance and repair of medium-sized wind turbines has been solved, achieving safe and efficient lifting of materials and personnel, and improving the safety and efficiency of maintenance and repair.
Patent Information
- Application Number
- CN202520610791.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-02
AI Technical Summary
During the maintenance and repair of medium-sized wind turbines, it is difficult to access materials into the nacelle. Existing technologies cannot effectively solve the problem of lifting personnel and materials, resulting in low safety and efficiency.
Design a lifting channel system that includes a tower, nacelle, winch, lifting components, lifeline ropes, and limiters. The winch is used to lift personnel and materials, and the lifeline ropes provide safety protection. The limiters ensure safety and stability.
It enables safe and efficient lifting of personnel and materials in medium-sized wind turbines, improves the safety and efficiency of maintenance and repair, and reduces operating costs.
Smart Images
Figure CN223722500U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wind driven generator technical field especially is a personnel and material lifting channel for medium-sized wind driven generator. BACKGROUND
[0002] Wind driven generator is the mechanical work that will convert wind energy, mechanical work drives rotor rotation, ultimately output ac power equipment. Wind driven generator is driven by wind to rotate the windmill blade, and then through the speed increaser to improve the speed of rotation, to promote the generator to generate electricity. According to the current wind driven generator technology, about every second three meters of breeze speed ( breeze degree), can start to generate electricity.
[0003] The prior art needs to be repaired and overhauled, mainly through the tower drum into the cabin, but the maintenance, overhaul material of medium-sized wind driven generator is relatively large, so it cannot enter the cabin from the tower drum. Therefore, a lifting channel needs to be designed to transport personnel and materials for maintenance and overhaul. UTILITY MODEL CONTENTS
[0004] Therefore, the technical problem to be solved by the utility model is to overcome the above-mentioned problems existing in the prior art.
[0005] To solve the above technical problems, the utility model provides a personnel and material lifting channel for medium-sized wind driven generator, comprising:
[0006] Tower drum;
[0007] Cabin connected at the top of the tower drum;The inside of the tail end of the cabin is provided with a first winch;The bottom of the cabin is provided with an openable maintenance door, a first through hole and a second through hole, and the steel wire rope of the first winch passes through a first through hole vertically downward;
[0008] Hoisting piece connected at the end of the steel wire rope;The hoisting piece is used for lifting personnel or material, and the personnel wears a safety belt;
[0009] Life line rope, parallel to the steel wire rope;One end of the life line rope is connected with the top end of the cabin, and the other end passes through a second through hole and is connected with the ground;
[0010] Wherein, the safety belt is connected with the life line rope.
[0011] In an embodiment of the utility model, the application further includes a mobile arrestor, and the safety belt is connected with the life line rope through the mobile arrestor.
[0012] In an embodiment of the utility model, the top end of the life line rope is connected with a second winch, and the second winch is connected with the cabin;The life line rope is in working condition, and the second winch is not provided with the life line rope.
[0013] In one embodiment of the utility model, the lower surface of the cabin is provided with a limiting part near the first through hole, which is used to limit the lifting stroke of the hoisting member.
[0014] In one embodiment of the utility model, the lower surface of the cabin is also provided with a limiting part near the second through hole, which is used to limit the lifting stroke of the bottom end of the lifeline rope.
[0015] In one embodiment of the utility model, the application further comprises a control part, which is electrically connected with the first hoist.
[0016] In one embodiment of the utility model, the application further comprises a remote control, which is connected with the control part.
[0017] In one embodiment of the utility model, when the hoisting member is used to hoist personnel, the lifeline rope passes through the hoisting member.
[0018] In one embodiment of the utility model, the maintenance door opens to the inside of the cabin.
[0019] In one embodiment of the utility model, the end of the steel wire rope is provided with a lifting hook, and the top of the hoisting member is provided with a lifting ring; the lifting hook is hung on the lifting ring and is locked with each other.
[0020] In one embodiment of the utility model, the bottom end of the lifeline rope is fixed on the ground through a ground anchor.
[0021] The above technical solution of the utility model has the following advantages compared with the prior art:
[0022] The personnel and material lifting channel for the medium-sized wind driven generator has the first hoist arranged on the cabin, so that the personnel and material are hoisted through the first hoist, and the equipment inside the cabin is convenient to maintain; and the application further has the lifeline rope arranged to protect the personnel and material when hoisted, and the safety performance is improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to make the content of the utility model more easily understood clearly, the utility model is further described in detail below according to the specific embodiments of the utility model and in combination with the drawings, wherein:
[0024] Figure 1 is a structural schematic view of a personnel and material lifting channel for a medium-sized wind driven generator in the preferred embodiment of the utility model;
[0025] Figure 2 is Figure 1 the enlarged view of A of the personnel and material lifting channel for the medium-sized wind driven generator of
[0026] Figure 3 is Figure 1 a top view of the inside of the nacelle in the personnel and material hoist passage of a medium-sized wind turbine generator;
[0027] Description of the drawings: 100, tower drum;
[0028] 200, nacelle; 210, first hoist; 211, steel wire rope; 220, maintenance door; 230, first through hole; 240, second through hole; 250, second hoist; 260, limiting component; 270, hinge; 280, lock;
[0029] 300, lifting piece; 310, safety belt;
[0030] 400, lifeline rope;
[0031] 500, ground anchor;
[0032] 600, hook;
[0033] 700, lifting ring;
[0034] 800, mobile arrestor. DETAILED DESCRIPTION
[0035] The utility model will be further described below in combination with the drawings and specific embodiments, so that those skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.
[0036] Referring to Figures 1-3 The embodiment of the utility model provides a personnel and material hoist passage for medium-sized wind turbine generator, comprising:
[0037] Tower drum 100;
[0038] Nacelle 200 is connected at the top of tower drum 100;The inside of the tail end of nacelle 200 is equipped with first hoist 210;The bottom of nacelle 200 is equipped with openable maintenance door 220, first through hole 230 and second through hole 240, and the steel wire rope 211 of first hoist 210 passes through a first through hole 230 vertically downward;
[0039] Lifting piece 300 is connected at the end of steel wire rope 211;Lifting piece 300 is used for hoisting personnel or material, and personnel wears safety belt 310;When hoisting personnel, then lifting piece 300 is a hanging basket;When hoisting material, then lifting piece 300 is hoisting rope, etc.
[0040] The lifeline rope 400 is arranged in parallel with the steel wire rope 211; one end of the lifeline rope 400 is connected with the top end of the cabin 200, and the other end is connected with the ground through a second through hole 240; the bottom end of the lifeline rope 400 is fixed on the ground through the ground anchor 500.
[0041] The safety belt is connected with the lifeline rope 400.
[0042] Specifically, the first winch 210 is arranged on the cabin, so that the personnel and the materials are hoisted by the first winch 210, and the personnel and the large materials are conveniently hoisted into the cabin; in addition, the lifeline rope 400 is arranged to protect the personnel and the materials when hoisted, and the safety performance is improved.
[0043] The structure of the application is simple, the safety performance is high, and the cost is low.
[0044] Further, the application further comprises a mobile arrestor 800, and the safety belt is connected with the lifeline rope 400 through the mobile arrestor 800. Specifically, the mobile arrestor 800 can protect the personnel or the materials when the personnel or the materials are hoisted, so as to improve the safety.
[0045] Further, the top end of the lifeline rope 400 is connected with a second winch 250, the second winch 250 is connected with the cabin 200; the lifeline rope 400 is in a working state, and the second winch 250 is not wound with the lifeline rope 400. Specifically, the second winch 250 arranged in the embodiment can wind the lifeline rope 400 when not working, so as to save space and improve the service life. In addition, the second winch 250 is not wound with the lifeline rope 400 in the working state, so that the safety can be ensured in the working state due to the fault and the abnormality.
[0046] Further, the lower surface of the nacelle 200 is provided with a limiting component 260 near the first through hole 230, for limiting the lifting stroke of the hoisting member 300. For example, the limiting component 260 can be a distance sensor. One end of the distance sensor is arranged on the top of the hoisting member 300, and the other end is arranged on the lower surface of the nacelle 200, so as to measure the distance between the top of the hoisting member 300 and the lower surface of the nacelle 200. When the distance measured by the distance sensor is less than a set distance, the first winch 210 stops working. For another example, the limiting component 260 is a hook limiter. The hook limiter has the following advantages: the hook limiter can limit the lifting height, when the hook is lifted to the upper limit position, the limiter stops the lifting mechanism from working, and automatically cuts off the power supply, so as to prevent the hook from continuing to rise and pulling off the steel wire rope, and causing a falling accident. The limiting component 260 can limit the lowering depth, that is, when the taking device is lowered to the lowest position, the limiter automatically cuts off the power supply and stops the mechanism, so as to ensure that there are enough winding turns of the steel wire rope on the drum, and increase the safety. The safety is improved, for the lifting mechanism for hoisting hot metals or flammable, explosive and other dangerous goods, two sets of upper limit position limiters are arranged, and the limiters have sequential actions, different structures and control different breaking devices, so as to improve the safety. Specifically, the embodiment can limit the lifting stroke of the hoisting member 300, and prevent the hoisting member 300 from colliding with the nacelle 200 when the hoisting member 300 is lifted.
[0047] Further, the lower surface of the nacelle 200 is provided with a limiting component 260 near the first through hole 230, for limiting the lifting stroke of the hoisting member 300. For example, the limiting component 260 can be a distance sensor. One end of the distance sensor is arranged on the top of the hoisting member 300, and the other end is arranged on the lower surface of the nacelle 200, so as to measure the distance between the top of the hoisting member 300 and the lower surface of the nacelle 200. When the distance measured by the distance sensor is less than a set distance, the first winch 210 stops working. For another example, the limiting component 260 is a hook limiter. The hook limiter has the following advantages: the hook limiter can limit the lifting height, when the hook is lifted to the upper limit position, the limiter stops the lifting mechanism from working, and automatically cuts off the power supply, so as to prevent the hook from continuing to rise and pulling off the steel wire rope, and causing a falling accident. The limiting component 260 can limit the lowering depth, that is, when the taking device is lowered to the lowest position, the limiter automatically cuts off the power supply and stops the mechanism, so as to ensure that there are enough winding turns of the steel wire rope on the drum, and increase the safety. The safety is improved, for the lifting mechanism for hoisting hot metals or flammable, explosive and other dangerous goods, two sets of upper limit position limiters are arranged, and the limiters have sequential actions, different structures and control different breaking devices, so as to improve the safety. Specifically, the embodiment can limit the lifting stroke of the hoisting member 300, and prevent the hoisting member 300 from colliding with the nacelle 200 when the hoisting member 300 is lifted.
[0048] Further, the application also includes a control part; the control part is electrically connected with the first winch 210, the second winch 250, the weight and the limiting component 260. Specifically, the embodiment can control the lifting of the hoisting member 300 through the control part. The control part can also control the winding and unwinding of the lifeline rope 400. In addition, the control part can also control the first winch 210 and the second winch 250 to make timely feedback according to the signals collected by the weight and the limiting component 260, so as to realize automatic control.
[0049] Further, the application also includes a remote control, and the remote control is connected with the control part. Specifically, the embodiment can be remotely controlled through the remote control, and the use is more convenient.
[0050] Further, the hoisting member 300 is used for hoisting personnel, and the lifeline rope 400 passes through the hoisting member 300. Specifically, the lifeline rope 400 of the embodiment can play a guiding role when passing through the hoisting member 300, thereby preventing the hoisting member 300 from swinging left and right during the lifting and lowering process, and ensuring the reliability and safety of operation.
[0051] Further, the maintenance door 220 is opened to the inside of the cabin 200. The maintenance door 220 is connected to the bottom of the cabin 200 through a hinge 270, and a lock 280 is arranged on the maintenance door 220, which realizes the locking of the maintenance door 220 and the cabin 200.
[0052] Further, the end of the steel wire rope 211 is provided with a hook 600, and the top of the hoisting member 300 is provided with a lifting ring 700; the hook 600 is hung on the lifting ring 700 and is locked with each other. Specifically, the embodiment can quickly realize the quick docking and disassembly of the steel wire rope 211 and the hoisting member 300, and the locking of the hook 600 and the lifting ring 700 can be realized through the lock 280 during the operation process, so as to avoid the separation of the hook 600 and the lifting ring 700 during the lifting of personnel and materials, thereby causing safety accidents. As can be seen, the structure of the present application is simple, the operation is quick, and the safety is high.
[0053] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.
Claims
1. A personnel and material hoist access for a mid-size wind turbine, characterized by: The utility model relates to a tower crane, comprising: a tower drum; a machine cabin connected to the top of the tower drum; the inside of the tail end of the machine cabin is provided with a first hoist; the bottom of the machine cabin is provided with an openable maintenance door, a first through hole and a second through hole, and the steel wire rope of the first hoist passes through the first through hole vertically downward; a hoisting piece connected to the end of the steel wire rope; the hoisting piece is used for hoisting personnel or materials, and the personnel wear safety belts; a lifeline rope arranged in parallel with the steel wire rope; one end of the lifeline rope is connected to the top end of the machine cabin, and the other end passes through the second through hole and is connected to the ground; wherein the safety belt is connected to the lifeline rope.
2. Personnel and material hoistway for medium-sized wind power generators according to claim 1, characterized in that: Further comprising a mobile arrestor, and the safety belt and the lifeline rope are connected through the mobile arrestor.
3. Personnel and material hoistway for medium-sized wind power generators according to claim 1, characterized in that: The top end of the lifeline rope is connected with a second hoist, and the second hoist is connected to the machine cabin; when the lifeline rope is in a working state, the second hoist is not provided with the lifeline rope.
4. Personnel and material hoistway for medium-sized wind power generators according to claim 1, characterized in that: The lower surface of the machine cabin is provided with a limiting component near the first through hole, which is used for limiting the lifting stroke of the hoisting piece.
5. Personnel and material hoistway for medium-sized wind power generators according to claim 1, characterized in that: The lower surface of the machine cabin is also provided with a limiting component near the second through hole, which is used for limiting the lifting stroke of the bottom end of the lifeline rope.
6. Personnel and material hoist access for mid-size wind power generators according to claim 1, characterized in that: Further comprising a control part; the control part is electrically connected to the first hoist.
7. Personnel and material hoist access for mid-size wind power generators according to claim 6, characterized in that: Further comprising a remote control, and the remote control is connected to the control part.
8. Personnel and material hoist access for mid-size wind power generators according to claim 6, characterized in that: In the case that the hoisting piece is used for hoisting personnel, the lifeline rope passes through the hoisting piece.
9. Personnel and material hoist access for mid-size wind power generators according to claim 1, characterized in that: The maintenance door opens to the inside of the machine cabin.
10. Personnel and material hoist access for mid-size wind power generators according to claim 1, characterized in that: The end of the steel wire rope is provided with a hook, and the top of the hoisting piece is provided with a lifting ring; the hook is hung on the lifting ring and is locked with each other.