CN211008968U

CN211008968U - Protective net used in tower barrel of wind generating set

Info

Publication number: CN211008968U
Application number: CN201921887741.0U
Authority: CN
Inventors: 高印宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-14
Anticipated expiration: 2029-11-05

Abstract

The utility model provides a protective net used in a tower cylinder of a wind generating set, which belongs to the field of safety protection equipment and is arranged in the tower cylinder with a platform, the protective net comprises a protective net body and a plurality of buffer components used for fixing the protective net body, and the plurality of buffer components are circumferentially distributed on flanges at the joint of two adjacent sections of the tower cylinder; the bottom of the buffer assembly is connected to the flange, and the bottom of the buffer assembly is fixed with the bottom of the flange through a support upright post; the buffer assembly is connected with the flange through the base; the bottom of the buffer assembly is connected with a base, a bolt penetrates through the flange, and the base is of a hollow structure so that the end part of the bolt, penetrating out of the flange, is embedded in a cavity of the base. The utility model discloses a bolster setting is on the flange of the adjacent two sections departments of a tower section of thick bamboo to further fixed through support post and flange, promptly the utility model discloses a buffering subassembly and flange joint need not punch on a tower section of thick bamboo inner wall, thereby have improved the intensity of a tower section of thick bamboo.

Description

Protective net used in tower barrel of wind generating set

Technical Field

The utility model belongs to the safety protection equipment field, concretely relates to wind generating set tower section of thick bamboo is interior to use protection network.

Background

The tower barrel of the wind generating set is a tower rod for wind power generation, and the tower barrel mainly plays a supporting role in the wind generating set and absorbs the vibration of the set. At present, most of wind generating set towers are generally 70-100m in height, the interior of the tower is generally divided into three sections, crawling ladders are arranged in the towers, and operating personnel enter a fan cabin for maintenance in a crawling ladder, climbing assisting devices, climbing-free devices or elevators and other modes. All there is the risk in above-mentioned mode, and the operation personnel take place to fall easily under the circumstances such as safety measure not in place to cause very big injury to staff's health.

For the personal safety of better protection operation personnel, prior art (CN206845403U) discloses a high buffering protection network that falls in wind generating set tower section of thick bamboo, comprises a tower section of thick bamboo, tower section of thick bamboo platform and protection network, and in the inner chamber of a tower section of thick bamboo platform level fixed mounting, the vertical pin is being fixed through the screw rod equipartition on tower section of thick bamboo platform top tower section of thick bamboo inner wall ring week, is being equipped with suit damping spring and casting die on the vertical pin in proper order, the frame fixed connection of casting die and protection network. This prior art's protection network adopts the metal material to constitute, with damping spring combined action all around in order to play the cushioning effect to the person, probably guarantee operation personnel's life safety.

However, the vertical pin and the pin cap in the prior art are connected with the inner wall of the tower barrel through the screw rods, holes are formed in the inner wall of the tower barrel, the tower barrel is required to bear all dynamic loads when the whole fan operates, and the strength of the tower barrel is reduced due to the holes.

SUMMERY OF THE UTILITY MODEL

Based on the above background problem, the utility model aims at providing an interior protection network that uses of wind generating set tower section of thick bamboo need not punch at a tower section of thick bamboo inner wall, has improved a tower section of thick bamboo intensity.

In order to achieve the above purpose, the utility model provides a technical scheme is:

a protective net used in a tower cylinder of a wind generating set is arranged in the tower cylinder with a platform and comprises a protective net body and a plurality of buffer assemblies used for fixing the protective net body, wherein the plurality of buffer assemblies are circumferentially distributed on flanges at the joint of two adjacent sections of the tower cylinder; the bottom of the buffer component is connected to the flange, and the bottom of the buffer component is fixed to the bottom of the flange through the support upright post.

Preferably, the vertical distance between the buffer assembly and the platform is 1-3 m.

In one embodiment, the cushioning component is connected to the flange by a base; the bottom of the buffer assembly is connected with a base, a bolt penetrates through the flange, and the base is of a hollow structure so that the end part of the bolt, penetrating out of the flange, is embedded in a cavity of the base.

The longitudinal section of the supporting upright post is of an L-shaped structure, the bottom of the supporting upright post is sleeved at the bottom of the bolt, and the top of the supporting upright post is fixed with the base through a fastener.

In one embodiment, the buffer assembly comprises: the bottom of the buffer spring is fixed with the bolt; the rubber sleeve is sleeved on the buffer spring, and a distance is reserved between the bottom end of the rubber sleeve and the top end of the base; and the hanging ring is connected with the top end of the buffer spring and used for fixing the protective net body.

Preferably, the buffer spring and the rubber sleeve are both in a conical structure.

Preferably, the buffer spring is a torsion compression type spring.

In one embodiment, the material of the protective net body is one of high-strength fiber, nylon, terylene, polypropylene fiber and polyethylene.

Preferably, the meshes of the protective net body are diamond-shaped or square-shaped.

Compared with the prior art, the utility model discloses following effect has:

1. the utility model discloses a bolster setting is on the flange of the adjacent two sections departments of a tower section of thick bamboo to further fixed through support post and flange, promptly the utility model discloses a buffering subassembly and flange joint need not punch on a tower section of thick bamboo inner wall, thereby have improved the intensity of a tower section of thick bamboo.

2. The utility model discloses a bolted connection on base will cushion subassembly and the flange, avoided punching on the flange or with the flange welding, further guaranteed tower section of thick bamboo intensity.

3. The utility model discloses a cover is established the rubber sleeve on buffer spring, directly touch the metal spring when can protecting the staff to drop on and cause the injury.

4. The utility model discloses a flexible materials such as high strength fiber, nylon, dacron, polypropylene fibre, polyethylene are chooseed for use to the material of protection network body, have avoided the metal mesh to cause the secondary injury to the operation personnel.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic structural view of a protective net used in a tower of a wind turbine generator system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a buffer assembly according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate the orientation or positional relationship based on the specific use state, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In order to solve the defect of reduced tower cylinder strength caused by holes in the prior art, the utility model provides a protective net used in a tower cylinder of a wind generating set, which is arranged in a tower cylinder 1 provided with a platform, as shown in figure 1, the protective net comprises a protective net body 2 and a plurality of buffer components for fixing the protective net body 2, and the plurality of buffer components are circumferentially distributed on a flange 3 at the joint of two adjacent sections of the tower cylinder 1; the bottom of the buffer component is connected to the flange 3, and the bottom of the buffer component is fixed with the bottom of the flange 3 through the support upright post 4. The utility model discloses a buffering subassembly and flange joint need not punch on 1 inner walls of a tower section of thick bamboo to the intensity of a tower section of thick bamboo 1 has been improved.

In this embodiment, as shown in fig. 1 and 2, the buffer assembly is connected to the flange 3 through a base 5, specifically, the base 5 is fixed to the flange 3, the flange 3 is upward provided with a bolt 301, the base 5 is a hollow structure so that the bolt 301 penetrates through the top end of the flange 3 and is embedded in the cavity of the base 5, and the bottom of the buffer assembly is connected to the bolt 301. The base 5 in this embodiment is made of metal, rubber or nylon, but is not limited thereto.

In this embodiment, as shown in fig. 2, the buffer assembly includes: the buffer spring comprises a buffer spring 6, a rubber sleeve 601 and a hanging ring 602, wherein the bottom of the buffer spring 6 is fixed with the bolt 301; the rubber sleeve 601 is sleeved on the buffer spring 6, the rubber sleeve 601 is connected with the buffer spring 6, and a distance is arranged between the bottom end of the rubber sleeve 601 and the top end of the base 5, namely a buffer distance is reserved; the hanging ring 602 is connected to the top end of the buffer spring 6, and is used for fixing the protection net body 2.

In this embodiment, the buffer spring 6 is a conical structure, that is, the diameter of the buffer spring is gradually reduced from bottom to top, and the buffer spring 6 is a torsion compression spring; in order to facilitate the rubber sleeve 601 to be sleeved, the rubber sleeve 601 in this embodiment is also of a conical structure. However, the structure of the buffer spring 6 and the rubber sleeve 601 is not limited to the conical shape, and may be a cylindrical structure.

It should be noted that the number of the buffer assemblies is more than one, and is about 30-40 for each layer, according to the inner diameter of the tower 1.

In order to further ensure the connection strength, as shown in fig. 1, in this embodiment, the base 5 is connected with the flange 3 through the support column 4, that is, the support column 4 in this embodiment is in one-to-one correspondence with the buffer assembly, specifically, the longitudinal section of the support column 4 is of a structure similar to L type, and includes a horizontal section and a vertical section, the horizontal section of the support column 4 is provided with a through hole to sleeve the horizontal section at the bottom of the bolt 301, the vertical section extends upwards to the position of the base 5 and is connected and fixed with the base 5 through a fastener 401, the fastener 401 in this embodiment is a fastening bolt and is provided with a plurality of fasteners, and the material of the support column 4 is a metal material, so as to meet the required strength requirement.

In order to avoid the wire mesh to cause secondary damage to the operating personnel, the material of the protection net body 2 in the embodiment is one of high-strength fiber, nylon, terylene, polypropylene fiber and polyethylene, namely, the protection net body is made of flexible material, the meshes of the protection net body 2 are rhombic or square, and the protection net body 2 is connected and fixed through the hooks equal to the hanging rings 602.

In practical use, the wind generating set consists of four large components, namely a tower 1, a cabin, a hub and blades, wherein the height of the tower 1 is at least 70m-100m, the tower 1 is connected by bolts from 3 to 4 sections, the upper part and the lower part of the tower 1 form the tower of the wind generating set through flanges 3, each section of the tower 1 is provided with a platform, in the embodiment, the vertical distance between the buffer component and the platform is 1-3m, the height between every two layers of the platforms is 20m-25m, and a group of ladder stands are arranged in the tower 1 and connected to the cabin from zero m, so that an operator can get on or off the tower 1. The protection network of adopting this embodiment not only can prevent that the operation personnel from dropping and hurting, reachs through the experiment: an object is allowed to fall freely at the height of 20m, and the maximum weight which can be borne by the protective net of the embodiment is 400kg, so that the protective net can completely meet the protection of some emergency situations in actual work.

It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A protective net used in a tower cylinder of a wind generating set is arranged in the tower cylinder provided with a platform and comprises a protective net body and a plurality of buffer components used for fixing the protective net body, and is characterized in that,

the plurality of buffer assemblies are circumferentially distributed on the flange at the joint of two adjacent sections of the tower drum;

the bottom of the buffer component is connected to the flange, and the bottom of the buffer component is fixed to the bottom of the flange through the support upright post.

2. The protective net used in the tower of the wind generating set according to claim 1, wherein the vertical distance between the buffer assembly and the platform is 1-3 m.

3. The protective net used in the tower of the wind generating set according to claim 1, wherein the buffer assembly is connected with the flange through a base;

the bottom of the buffer assembly is connected with a base, a bolt penetrates through the flange, and the base is of a hollow structure so that the end part of the bolt, penetrating out of the flange, is embedded in a cavity of the base.

4. The protective net used in the tower of the wind generating set according to claim 3, wherein the longitudinal section of the supporting upright post is of an L-shaped structure, the bottom of the supporting upright post is sleeved on the bottom of the bolt, and the top of the supporting upright post is fixed with the base through a fastener.

5. The protective net used in the tower of the wind generating set according to claim 3, wherein the buffer assembly comprises:

the bottom of the buffer spring is fixed with the bolt;

the rubber sleeve is sleeved on the buffer spring, and a distance is reserved between the bottom end of the rubber sleeve and the top end of the base;

and the hanging ring is connected with the top end of the buffer spring and used for fixing the protective net body.

6. The protective net used in the tower of the wind generating set according to claim 5, wherein the buffer spring and the rubber sleeve are both in a cone-shaped structure.

7. The protective net used in the tower of the wind generating set according to claim 6, wherein the buffer spring is a torsion compression type spring.

8. The protective net used in the tower cylinder of the wind generating set according to claim 1, wherein the material of the protective net body is one of high-strength fiber, nylon, terylene, polypropylene and polyethylene.

9. The protective net used in the tower of the wind generating set according to claim 8, wherein the meshes of the protective net body are diamond-shaped or square-shaped.