CN202270272U - Emergent escape device for wind generation set - Google Patents

Abstract

The utility model relates to an emergency evacuation device used for a wind power generating set. The utility model wind turbine emergency escape device includes an escape bracket and escape equipment. The escape bracket includes a fixed plate, a rotating arm, an indexing pin, a suspension ring, a column and a movable cover. The fixed plate and the movable cover are respectively fixedly connected to the column and rotate There is a self-lubricating bushing between the inner sleeve at one end of the arm and the column, the rotating arm is provided with a locking groove, the indexing pin is set on the movable cover, and the indexing pin is screwed into the locking groove of the rotating arm to rotate The position of the arm is fixed, and the other end of the rotating arm is provided with a suspension ring. The escape equipment is connected with the escape bracket through the suspension ring. The escape equipment is commonly used escape equipment in the field, including a descender, safety belt and safety rope. The utility model can realize emergency escape of one or more people at the same time, and the device has the characteristics of safer and more convenient.

Description

Wind turbine emergency escape device

technical field

The utility model relates to an emergency evacuation device, in particular to an emergency evacuation device used on a wind power generating set.

Background technique

For wind turbine operators, especially high-altitude workers, it is inevitable that they will encounter dangerous strong winds and other emergencies, such as fire, smoke, excessive vibration of the cabin, etc. When the above emergencies occur , Whether the staff can escape safely and quickly is one of the criteria for the good design of the unit. The supporting design of the emergency escape system must meet the following conditions: 1. The escape route is safe and reliable; 2. The escape equipment is complete and easy to access, and the escape operation is simple and fast.

Under current circumstances, once the above-mentioned dangerous situation occurs, most of the staff in the cabin escape through the vertical ladder of the tower. The escape channel is relatively simple, and the escape speed is slow, and the safety is low; in addition, the vertical ladder is narrow, which is not conducive to multiple people escaping at the same time; in case of an emergency such as a fire, the possibility of safe escape is even lower.

Aiming at the defects of the current escape system design, the utility model proposes a new high-altitude emergency escape scheme. This solution can realize that one or more people can safely and quickly leave the cabin and get out of the dangerous area at the same time.

Utility model content

The technical problem to be solved by the utility model is to provide a safer and more convenient emergency escape device for wind turbines that can realize one or more people at the same time.

In order to achieve the above purpose, the utility model is an emergency escape device for a wind turbine, which includes an escape bracket and escape equipment. The escape bracket includes a fixed plate, a rotating arm, an indexing pin, a suspension ring, a column and a movable cover plate, and the fixed plate and the column are fixedly connected. , the movable cover and the column are fixedly connected, a self-lubricating bushing is provided between the inner sleeve at one end of the rotating arm and the column, the rotating arm is provided with a locking groove, the indexing pin is set on the movable cover, and the indexing pin is screwed through Insert the rotating arm into the locking groove of the rotating arm to fix the position of the rotating arm, and the other end of the rotating arm is provided with a suspension ring, and the escape device is connected to the escape bracket through the suspension ring.

In the emergency escape device of the wind turbine of the utility model, there are two fixing plates, and the fixing plate and the column are preferably welded and fixed.

In the emergency escape device for wind turbines of the utility model, preferably, the movable cover plate and the column are fixed by welding or bolts, and the movable cover plate provides structural support for the fixed rotating arm.

In the emergency escape device for wind turbines of the present utility model, preferably, the fixing plate is an "L"-shaped structure.

In the emergency escape device for wind turbines of the present utility model, preferably, the cross-section of the rotating arm is square or circular.

In the emergency escape device for wind turbines of the present utility model, preferably, the suspension ring has a "U" shape or a semicircular structure.

The emergency evacuation device for wind turbines of the utility model, wherein the evacuation equipment is the commonly used evacuation equipment in the field, including a descending device, a safety belt and a safety rope, which are available in the market.

A wind power generating set, the above-mentioned emergency escape device is arranged in the nacelle of the wind power generator.

The utility model discloses an emergency escape device for a wind power generating set, which is used for emergency escape at high altitudes, and is especially suitable for emergency escape in the engine room of the wind generating set.

In the emergency escape device for wind turbines of the utility model, the escape bracket is fixed inside the nacelle (near the emergency escape hole of the nacelle cover) by a fixing plate, providing a reliable position for fixing the escape safety rope for emergency escape at high altitude; the inner sleeve at one end of the rotating arm There is a self-lubricating bushing between the column and the column. The rotating arm can rotate around the column at any angle. The indexing pin has a spring locking device. The rotating arm is provided with a locking groove. The indexing pin is screwed into the lock of the rotating arm The position of the rotating arm is fixed in the tight groove, and the position of the locking groove in the rotating arm is set into two types according to the position of the rotating arm. It is to provide enough working space for the normal work of maintenance cranes and other components; in another emergency situation, the staff can quickly pull out the indexing pin that fixes the rotating arm, and rotate the rotating arm at a certain angle (the specific angle value needs to be adjusted). According to the specific model and specific size), that is, the locking groove is at another set position in the rotating arm, so that the rotating arm is located directly above the emergency escape hole, and the indexing pin is used to fix it, and then the escape can be The rope is fixed on the bracket, and the staff can quickly escape from the inside of the engine room through the emergency escape hole and escape from the dangerous area; the escape equipment can be a special emergency escape equipment for wind power plants, which generally consists of a slow descender, a safety belt, and a safety rope (i.e. A steel wire rope with a large hook) and other components can realize continuous high-altitude escape for one or more people, and the descending speed can be adjusted through the descending device to ensure safe escape. Therefore, the utility model can realize emergency escape of one or more people at the same time, and the device has the characteristics of safer and more convenient.

The emergency escape device of the present utility model will be further described below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a structural schematic diagram of the emergency escape device for a wind turbine of the present invention.

Explanation of reference signs: 1-fixed plate; 2-rotating arm; 3-indexing pin; 4-hanging ring; 5-escape device; 6-column; 7-movable cover plate.

Detailed ways

The above and other technical features and advantages of the present utility model will be described in more detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1, the utility model wind turbine emergency escape device includes an escape bracket and escape equipment, and the escape bracket includes a fixed plate 1, a rotating arm 2, an indexing pin 3, a suspension ring 4, a column 6 and a movable cover plate 7, The nacelle cover of the wind power generator is provided with an emergency escape hole (not shown in the figure) for emergency escape. The device of the utility model installs the escape bracket in the nacelle near the emergency escape hole through two fixing plates 1. The fixed plate 1 is welded and fixed with the column 6, and the movable cover plate 7 is welded and fixed with the column 6 or fixed with bolts. A self-lubricating bushing is installed between the inner sleeve at one end of the rotating arm 2 and the column 6, and the rotating arm 2 can rotate around the column 6 at any angle, which ensures the flexibility of the rotating arm 2 while reducing friction. The position of the arm 2 is fixed by the index pin 3, the index pin 3 is set on the movable cover plate 7, the movable cover plate 7 provides structural support for the fixed rotating arm 2, when the rotating arm 2 is turned to a predetermined position as required , screw the index pin 3 into the locking groove of the rotating arm 2 to lock the position of the rotating arm 2. The position of the rotating arm 2 is generally set to two types, that is, the position of the locking groove in the corresponding rotating arm 2 is also set to two types, one is a position away from the emergency escape hole, and the other is located at the front of the emergency escape hole. Above, when the fan is in normal use, the rotating arm 2 is far away from the emergency escape hole, so as to facilitate the normal work of other components such as maintenance cranes; when a dangerous situation occurs, turn the rotating arm 2 to the top of the emergency escape hole so Yu staff quickly escaped from the cabin and out of the danger zone. The other end of the rotating arm 2 is provided with a suspension ring 4, which is used to connect the escape equipment 5. Usually, a complete set of escape equipment needs to be equipped inside the cabin and placed in a position that is convenient for access. When an emergency occurs, the staff can Take out the escape equipment quickly, and fix the safety rope in the escape equipment on the rigging ring 4 through the large hook, then escape the cabin quickly through the emergency escape hole on the cabin cover, and reach the ground safely. The escape device 5 is generally composed of a descending device, a safety belt, a safety rope (that is, a steel wire rope with a large hook), etc., which can realize continuous high-altitude escape for one or more people, and the descending speed can be adjusted through the descending device to ensure safety. Escape, the escape equipment market is available.

In the above-mentioned embodiments of the present invention, the fixing plate 1 is in the shape of "L". In other embodiments, the fixing plate 1 can be in any shape convenient for fixing with objects in the cabin.

In the above embodiments of the present invention, the suspension ring 4 is in a "U" shape, and in other embodiments, the suspension ring 4 can be in a semicircle or any other shape.

In the above embodiments of the present utility model, the cross section of the rotating arm 2 is square, and in other embodiments, the rotating arm 2 can also be circular or any other shape.

The above-mentioned embodiments are only described to the preferred implementation of the utility model, and are not limited to the scope of the utility model. Various modifications and improvements made should fall within the scope of protection determined by the claims of the utility model.

Claims (8)

1. An emergency escape device for a wind turbine, comprising an escape bracket and escape equipment, characterized in that: the escape bracket includes a fixed plate (1), a rotating arm (2), an indexing pin (3), a suspension ring (4), a column ( 6) is fixedly connected with movable cover plate (7), fixed plate (1) and column (6), and movable cover plate (7) is fixedly connected with column (6), and the inner sleeve and column ( 6) There is a self-lubricating bushing between them, the rotating arm (2) is provided with a locking groove, the indexing pin (3) is set on the movable cover plate, and the indexing pin (3) is screwed into the rotating arm (2) The position of the rotating arm is fixed in the locking groove, and the other end of the rotating arm (2) is provided with a suspension ring (4), and the escape device (5) is connected with the escape bracket through the suspension ring (4). 2. The emergency escape device according to claim 1, characterized in that: there are two fixing plates (1), and the fixing plate (1) and the column (6) are welded and fixed. 3. The emergency escape device according to claim 1, characterized in that: the movable cover plate (7) and the column (6) are fixed by welding or bolts. 4. The emergency escape device according to claim 1, characterized in that: the fixing plate (1) is an "L"-shaped structure. 5. The emergency escape device according to claim 1, characterized in that: the cross section of the rotating arm (2) is square or circular. 6. The emergency escape device according to claim 1, characterized in that: the suspension ring (4) is a "U" shape or a semicircular structure. 7. The emergency escape device according to claim 1, characterized in that: the escape equipment (5) includes a descender, a safety belt and a safety rope. 8. A wind power generating set, characterized in that the emergency escape device according to any one of claims 1-7 is installed in the nacelle of the wind power generator.

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