CN102777333A - Truss type wind turbine structure - Google Patents

Abstract

The invention relates to a truss type wind generating set structure, which comprises a steel pipe pile (1) extending into a bearing layer below a seabed, an insertion section (2) partially inserted into the upper end of the steel pipe pile (1), a jacket pile leg (3) welded at the upper end of the insertion section (2), a support steel pipe (4) welded between the jacket pile legs (3), a tower platform (5) arranged on the jacket pile leg (3) and the support steel pipe (4), a diagonal brace (6) welded on the tower platform (5), wherein the diagonal brace (6) is connected with a tower barrel (7) arranged on the tower platform (5). The construction process is little influenced by weather and climate change, and the construction cost is greatly reduced.

Description

Truss type wind turbine structure

【Technical field】

The invention relates to a structure of a truss type wind power generating set.

【Background technique】

Wind power is the fastest growing new energy in the world. Offshore wind power represents the highest level of wind power technology today. It requires high reliability, easy installation, and easy maintenance of equipment. The market is huge and the risk is extremely high. Attention is setting off an investment boom. At present, more than 100 countries and regions have begun to develop wind power, and the main markets are concentrated in Europe, Asia and North America.

my country's offshore wind resource reserves are abundant, and the basic conditions for large-scale development have been met. According to the preliminary results of the China Meteorological Administration's detailed investigation of wind energy resources, it is measured that the installed capacity of wind power in my country's offshore areas within the water depth line of 5 meters to 25 meters and at a height of 50 meters above sea level is about 200 million kilowatts, and the installed capacity of wind power above 70 meters is about 500 million kilowatts. .

Due to the particularity of offshore construction, under the current technical conditions, the foundation of offshore wind turbines is usually constructed with concrete caps. Since offshore construction is easily affected by weather and climate changes, the construction volume is large, the cycle is long, and the cost is high, the staff hope that offshore Most of the construction work of the wind turbine foundation structure is completed in the factory or on the shore, so as to reduce the time for offshore construction operations as much as possible.

【Content of invention】

The present invention overcomes the deficiencies of the above-mentioned technologies, and provides a basic structure of wind power generators that can be processed and manufactured in land factories or on the seashore, and then transported to a designated location by ship for installation. The structure is welded by cylindrical steel structural members A space truss structure is used to support the wind power generation unit. The basic structure of the wind power generation unit reduces the workload of the staff at sea, shortens the working time at sea, and the construction process is less affected by weather and climate changes, which greatly reduces the construction cost.

To achieve the above object, the present invention adopts the following technical solutions:

The truss-type wind turbine structure includes steel pipe piles, an insertion section partially inserted into the upper end of the steel pipe pile, jacket legs welded to the upper end of the insertion section, and supporting steel pipes welded between the jacket legs , the tower platform arranged on the jacket legs and the supporting steel pipes, the diagonal bracing welded on the tower platform, the diagonal brace and the tower placed on the tower platform cylinder connected.

As mentioned above, the steel pipe pile, the insertion section, the jacket leg, the supporting steel pipe and the brace are cylindrical steel structures.

As mentioned above, there are 3 to 8 steel pipe piles.

As mentioned above, there are four steel pipe piles.

As mentioned above, the part where the insertion section is inserted into the steel pipe pile is bonded and fixed to the steel pipe pile by the grouting material.

The beneficial effects of the present invention are:

1. The basic structure of the offshore wind power generating set of the present invention is processed and manufactured in a land factory or at the seaside, which reduces the time for workers to work on the sea, shortens the construction period, and the working process is less affected by weather and climate changes;

2. In the present invention, the jacket legs and the supporting steel pipes form a truss structure, which is easy to install and disassemble, and uses less material to obtain greater rigidity, which makes the basic structure of the wind power generating set reasonable and saves costs. .

3. The bottom of the truss structure in the present invention is inserted into the four pre-drilled steel pipe piles with the insertion section, which reduces the weight of the structure, saves costs, and facilitates offshore construction and installation.

【Description of drawings】

Fig. 1 is a front view of the basic structure of the wind power generating set of the present invention.

Fig. 2 is a top view of the basic structure of the wind power generating set shown in Fig. 1 .

【Detailed ways】

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1 and 2, the structure of the truss-type wind power generation unit includes a steel pipe pile 1 that extends into the bearing layer below the seabed, and is partially inserted into the insertion section 2 at the upper end of the steel pipe pile 1, and is welded to the insertion section 2. The jacket legs 3 at the upper end of the section 2 are welded to the supporting steel pipes 4 between the jacket legs 3, and the tower platform 5 arranged on the jacket legs 3 and the supporting steel pipes 4 is welded The diagonal brace 6 on the tower platform 5, the jacket leg 3 and the supporting steel pipe 4 form a truss structure, the diagonal brace 6 and the tower tube placed on the tower platform 5 7, as an embodiment of the present invention, the brace 6 is connected to the tower tube 7 placed on the tower platform 5 by welding, so that the tower tube 7 is installed more firmly and resists the outside world. The interference ability is stronger, and a construction process of the present invention is as follows: first, the steel pipe pile 1, the insertion section 2, the jacket leg 3, the supporting steel pipe 4, and the tower platform 5 are first installed in a land factory or at the seaside. And the diagonal bracing 6 is processed and manufactured, and after the completion, it is transported to the designated location by ship and then installed. The construction process of the basic structure of the offshore wind power generating set reduces the time for the staff to work on the sea, shortens the construction period, and the work process is affected. The impact of weather and climate changes is small, and the truss structure formed by the jacket legs and the supporting steel pipes is convenient for installation and disassembly, and greater rigidity is obtained by using less materials.

As shown in Figure 1, in the present invention, the steel pipe pile 1, the insertion section 2, the jacket leg 3, the supporting steel pipe 4 and the diagonal brace 6 are cylindrical steel structures, The cylindrical steel structure is easy to obtain materials, uses less materials to obtain greater rigidity, is relatively light in weight, and is easy to install and disassemble.

As shown in Figure 1, in the present invention, the steel pipe piles 1 are 3 to 8 piles, preferably 4 piles, and the 4 piles are connected with the insertion section 2, the jacket leg 3, and the supporting steel pipe 4 Combined to form a tower platform 5, thereby forming an installation platform for the wind power generating set.

In the present invention, the part of the insertion section 2 inserted into the steel pipe pile 1 is bonded and fixed with the steel pipe pile 1 by grouting material, which is convenient for construction and adapts to the adjustment of on-site errors.

Claims (5)

1. The structure of the truss-type wind power generation unit is characterized in that: it includes a steel pipe pile (1), an insertion section (2) partially inserted into the upper end of the steel pipe pile (1), and an insertion section (2) welded to the upper end of the insertion section (2). The jacket legs (3), the supporting steel pipes (4) welded between the jacket legs (3), the steel pipes (4) arranged on the jacket legs (3) and the supporting steel pipes (4) The tower platform (5), the diagonal brace (6) welded on the tower platform (5), the diagonal brace (6) and the tower tube ( 7) Connected. 2. The truss-type wind turbine structure according to claim 1, characterized in that: the steel pipe pile (1), the insertion section (2), the jacket leg (3), the support The steel pipe (4) and the diagonal brace (6) are cylindrical steel structures. 3. The structure of the truss type wind power generating set according to claim 2, characterized in that: the steel pipe piles (1) are 3-8 piles. 4. The truss type wind turbine structure according to claim 3, characterized in that: the steel pipe piles (1) are four piles. 5. The truss-type wind turbine structure according to claim 3, characterized in that: the part of the insertion section (2) inserted into the steel pipe pile (1) passes through the grouting material and the steel pipe pile (1) ) bonded in place.

Images