Novel safety lock catch of wind generating set

Abstract

The utility model relates to the field of safety lock catches, in particular to a novel safety lock catch of a wind generating set, which comprises a pulley, a lock block is rotatably arranged in the pulley, the tail end of the lock block is connected with two connecting pieces through a rotating component, the end parts of the two connecting pieces are connected with a U-shaped buckle through a buffer component, and a safety hook is buckled on the U-shaped buckle. The safety hook has the advantages that the safety hook is rotatably connected with the pulley, so that the function of using at any angle can be achieved, the elastic buffering function can be achieved between the safety hook and the pulley, and when clamping stagnation occurs in the process of maintaining and climbing up and down of a wind generating set, the safety hook and the pulley can be prevented from falling off. When dragging resistance is generated at the moment of clamping stagnation, the dragging resistance can be effectively buffered, the dragging resistance can be effectively prevented from acting on the body of a person instantly, therefore, enough response time is provided for the person, safety and wearing comfort are greatly improved, and the device is suitable for application and popularization.

Description

Technical Field

[0001] The utility model relates to the field of safety locks, in particular to a novel safety lock for a wind turbine generator set. Background Art

[0002] Safety lock is a kind of safety protection item used in wind turbines. When maintaining wind turbines, you must wear the safety lock when you need to climb up and down the ladder. The lock usually slides on the track, but in actual use, it is found that the currently used installation lock (such as Figure 1 (As shown in the figure) There may be a jam in the process of people climbing up and down. At the moment of jamming, a dragging resistance will be suddenly applied to the people, affecting the wearing comfort. In addition, the sudden dragging resistance applied to the body of the people in the process of climbing up and down also poses a great safety hazard.

[0003] Therefore, it is necessary to invent a novel wind turbine generator set safety lock. Utility Model Content

[0004] To this end, the utility model provides a new type of wind turbine safety lock to solve the problem that the currently used installation lock gets stuck when people climb up and down. The moment of sticking will suddenly apply dragging resistance to the person, affecting the wearing comfort. There is also a major safety hazard in the sudden application of dragging resistance to the person's body during the process of climbing up and down.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of wind turbine safety lock, including a pulley, a locking block is rotatably arranged inside the pulley, the tail end of the locking block is connected to two connecting plates through a rotating component, the ends of the two connecting plates are connected to a U-shaped buckle through a buffer component, and a safety hook is buckled on the U-shaped buckle.

[0006] Preferably, the rotating assembly includes a rivet, a first connecting hole is formed at one end of the two connecting pieces close to the locking block, a second connecting hole is formed at the rear end of the locking block, and the rivet passes through the two first connecting holes and the second connecting hole.

[0007] Preferably, the rotating assembly further comprises two first gaskets, the two first gaskets are located on the outside of the two connecting plates, the rivet passes through the two first gaskets, and the opposite ends of the two first gaskets are respectively fitted with the two connecting plates back to back.

[0008] Preferably, a second gasket is provided on the inner side of the two connecting plates, the rivet passes through the two second gaskets, the opposite ends of the two second gaskets are respectively fitted with the two side surfaces of the locking block, and the back-to-back ends of the two second gaskets are respectively fitted with the opposite surfaces of the two connecting plates.

[0009] Preferably, the buffer assembly includes an open groove, and the open groove is arranged at the opposite ends of the connecting plate and the U-shaped buckle. The opposite ends of the connecting plate and the U-shaped buckle are also fixed with blocking plates, and a limiting hole is arranged in the center of the blocking plate.

[0010] Preferably, a connecting rod passes through the two opposite limiting holes, and the surface of the connecting rod fits the wall of the limiting hole. Both ends of the connecting rod extend into two opposite opening grooves respectively, and limiting plates are fixed at both ends of the two connecting rods.

[0011] Preferably, a buffer spring is fixed on the surface of the limiting piece, one end of the buffer spring away from the limiting piece is fixed on the surface of the blocking piece, and the connecting rod passes through the buffer spring.

[0012] The beneficial effects of the utility model are as follows: through the coordinated use of the pulley, locking block, rotating component, connecting piece, buffer component, U-shaped buckle and safety hook, under the action of the rotating component, the connecting piece can be rotatably connected to the locking block, that is, the safety hook and the pulley can be rotatably connected, thereby realizing the function of use at any angle; under the action of the buffer component, when personnel perform maintenance on the wind turbine generator set and get stuck during the process of climbing up and down, and dragging resistance is generated at the moment of the stuck, the dragging resistance can be effectively buffered, effectively avoiding the dragging resistance from acting on the personnel instantaneously, thereby giving the personnel enough reaction time, greatly improving safety and comfort when wearing, and being suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of installing a lock in the prior art;

[0014] Figure 2 A structural stereogram provided for the utility model;

[0015] Figure 3 A partial structural sectional view provided by the utility model;

[0016] Figure 4 for Figure 3 A magnified view of the structure in Figure 2.

[0017] In the figure: 1. pulley; 2. locking block; 3. safety hook; 4. connecting plate; 5. U-shaped buckle; 6. rivet; 7. first connecting hole; 8. second connecting hole; 9. first gasket; 10. second gasket; 11. opening groove; 12. baffle; 13. limiting hole; 14. connecting rod; 15. limiting plate; 16. buffer spring. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] Please refer to the attached Figure 1-4 The utility model provides a new type of wind turbine safety lock, including a pulley 1, a locking block 2 is rotatably arranged inside the pulley 1, the pulley 1 and the locking block 2 are well-known technologies for those skilled in the art, and no further elaboration is given. The tail end of the locking block 2 is connected to two connecting pieces 4 through a rotating assembly, and the ends of the two connecting pieces 4 are connected to a U-shaped buckle 5 through a buffer assembly, and a safety hook 3 is buckled on the U-shaped buckle 5, which can be used to connect the high-altitude work safety belt on the person;

[0020] The rotating assembly includes a rivet 6, and the two connecting pieces 4 are each provided with a first connecting hole 7 at one end close to the locking block 2, and the rear end of the locking block 2 is provided with a second connecting hole 8. The rivet 6 passes through the two first connecting holes 7 and the second connecting hole 8, that is, under the action of the rivet 6, the two connecting pieces 4 and the locking block 2 can be rotatably connected, so that the safety hook 3 and the pulley 1 can be rotatably connected, so that the function of being used at any angle can be realized;

[0021] The rotating assembly also includes two first gaskets 9, which can play a wear-resistant role. The two first gaskets 9 are located on the outsides of the two connecting pieces 4. The rivet 6 passes through the two first gaskets 9. The opposite ends of the two first gaskets 9 are respectively fitted with the back-to-back surfaces of the two connecting pieces 4, that is, under the action of the first gaskets 9, the wear between the rivet 6 and the two connecting pieces 4 can be effectively prevented. The inner sides of the two connecting pieces 4 are provided with second gaskets 10, which can play a wear-resistant role. The rivet 6 passes through the two second gaskets 10. The opposite ends of the two second gaskets 10 are respectively fitted with the two side surfaces of the locking block 2, and the back-to-back ends of the two second gaskets 10 are respectively fitted with the opposite surfaces of the two connecting pieces 4, that is, under the action of the second gaskets 10, the wear between the two connecting pieces 4 and the locking block 2 can be effectively prevented;

[0022] The buffer assembly includes an open groove 11, which is arranged at the opposite ends of the connecting piece 4 and the U-shaped buckle 5. The opposite ends of the connecting piece 4 and the U-shaped buckle 5 are also fixed with a blocking piece 12. A limiting hole 13 is arranged in the center of the blocking piece 12. A connecting rod 14 runs through the two opposite limiting holes 13, and the surface of the connecting rod 14 fits with the hole wall of the limiting hole 13, that is, under the limiting action of the limiting hole 13 and the connecting rod 14, the connecting piece 4 and the U-shaped buckle 5 can move linearly, and the two ends of the connecting rod 14 extend into the two opposite open grooves 11 respectively, and the two ends of the two connecting rods 14 are fixed with limiting pieces 15, and the surface of the limiting piece 15 is fixed with a buffer spring 16, and the buffer spring 16 is away from the limiting piece One end of 15 is fixed on the surface of the baffle 12, and the connecting rod 14 passes through the buffer spring 16, that is, under the action of the buffer spring 16, the connecting piece 4 and the U-shaped buckle 5 can have an elastic buffering function, that is, the safety hook 3 and the pulley 1 can have an elastic buffering function. Specifically, when a person is stuck and a dragging resistance is generated at the moment of climbing up and down, the force can first cause a pulling between the connecting piece 4 and the U-shaped buckle 5, so that the corresponding buffer spring 16 is elastically deformed to generate a buffering elastic force, so that the dragging resistance can be effectively buffered, effectively avoiding the dragging resistance from acting on the person instantly, thereby giving the person enough reaction time and greatly improving the safety and comfort when wearing.

[0023] The use process of the utility model is as follows: when the staff needs to perform high-altitude operations during maintenance and inspection of the wind turbine generator set, they can first slide the safety lock buckle on the track (not shown in the figure), and then connect the high-altitude work safety belt on the body through the safety hook 3. When the staff is stuck in the process of climbing up and down, and drag resistance is generated at the moment of the stuck, the drag resistance can first cause a pull between the connecting piece 4 and the U-shaped buckle 5, so that the corresponding buffer spring 16 is compressed and elastically deformed to generate a buffer elastic force. Under the action of the buffer elastic force, the drag resistance can be effectively buffered, thereby effectively avoiding the instantaneous action of the drag resistance on the personnel, thereby giving the personnel enough reaction time, greatly improving the safety and comfort when wearing, and under the action of the rivet 6, the two connecting pieces 4 and the locking block 2 can be rotatably connected, so that the safety hook 3 and the pulley 1 can be rotatably connected, so that the function of using at any angle can be realized, and under the action of the first gasket 9 and the second gasket 10, wear between the rivet 6 and the two connecting pieces 4 and between the two connecting pieces 4 and the locking block 2 can be effectively prevented.

[0024] The above is only a preferred embodiment of the utility model. Any person skilled in the art can modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A novel wind turbine generator safety lock, comprising a pulley (1), a locking block (2) rotatably arranged inside the pulley (1), characterized in that: The rear end of the locking block (2) is connected to two connecting pieces (4) via a rotating assembly, the ends of the two connecting pieces (4) are connected to a U-shaped buckle (5) via a buffer assembly, and a safety hook (3) is buckled onto the U-shaped buckle (5).

2. A novel wind turbine generator set safety lock according to claim 1, characterized in that: The rotating assembly comprises a rivet (6), a first connecting hole (7) is provided at one end of the two connecting pieces (4) close to the locking block (2), a second connecting hole (8) is provided at the rear end of the locking block (2), and the rivet (6) passes through the two first connecting holes (7) and the second connecting hole (8).

3. A novel wind turbine generator set safety lock according to claim 2, characterized in that: The rotating assembly further comprises two first gaskets (9), the two first gaskets (9) being located outside the two connecting plates (4), the rivet (6) passing through the two first gaskets (9), and the opposite ends of the two first gaskets (9) respectively being in contact with the two connecting plates (4) back to back.

4. A novel wind turbine generator set safety lock according to claim 3, characterized in that: A second gasket (10) is provided on the inner side of the two connecting plates (4), the rivet (6) passes through the two second gaskets (10), the opposite ends of the two second gaskets (10) are respectively fitted with the two side surfaces of the locking block (2), and the back-to-back ends of the two second gaskets (10) are respectively fitted with the opposite surfaces of the two connecting plates (4).

5. A novel wind turbine generator set safety lock according to claim 1, characterized in that: The buffer assembly comprises an open groove (11), wherein the open groove (11) is provided at the opposite ends of the connecting piece (4) and the U-shaped buckle (5), and a blocking piece (12) is fixed to the opposite ends of the connecting piece (4) and the U-shaped buckle (5), and a limiting hole (13) is provided at the center of the blocking piece (12).

6. A novel wind turbine generator set safety lock according to claim 5, characterized in that: A connecting rod (14) passes through the two opposite limiting holes (13), and the surface of the connecting rod (14) fits the hole wall of the limiting hole (13). Both ends of the connecting rod (14) extend into two opposite opening grooves (11) respectively, and both ends of the two connecting rods (14) are fixed with limiting plates (15).

7. A novel wind turbine generator set safety lock according to claim 6, characterized in that: A buffer spring (16) is fixed on the surface of the limiting plate (15), one end of the buffer spring (16) away from the limiting plate (15) is fixed on the surface of the blocking plate (12), and the connecting rod (14) passes through the buffer spring (16).

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