阅读说明：本技术 一种链传动式风力发电系统 (Chain transmission type wind power generation system ) 是由 张用 郭文超 毛世民 齐强 樊刘杨 于 2019-11-12 设计创作，主要内容包括：本发明公开了一种链传动式风力发电系统,包括主机架、链轮、传动链、叶片、减速器和发电机,若干个所述链轮两两配对,并通过横向的连杆连接,所述连杆安装在所述主机架上,所述传动链与所述链轮啮合连接,所述叶片固定在所述传动链上,所述减速器与所述发电机均安装在所述连杆上。本发明的有益效果是：链传动的加入让叶片围绕三角形架分布,便于叶片的安装和维护,链传动的加入让叶片围绕三角形架转动,叶片转动的同时又有了平动,平动的增加使风能在空间中得到更好的利用,提高风力利用效率。主机架呈三角形状,使前后叶片都能截取风能,可实现风能的二次利用,动力性能更加良好,风能的利用率更高。(The invention discloses a chain transmission type wind power generation system which comprises a main frame, chain wheels, a transmission chain, blades, a speed reducer and a generator, wherein the chain wheels are paired pairwise and connected through transverse connecting rods, the connecting rods are arranged on the main frame, the transmission chain is meshed with the chain wheels, the blades are fixed on the transmission chain, and the speed reducer and the generator are both arranged on the connecting rods. The invention has the beneficial effects that: the blades are distributed around the triangular frame due to the addition of the chain transmission, so that the blades are convenient to mount and maintain, the blades rotate around the triangular frame due to the addition of the chain transmission, the blades rotate and translate, the wind energy is better utilized in space due to the increase of the translation, and the wind utilization efficiency is improved. The main frame is triangular, so that the front blade and the rear blade can intercept wind energy, secondary utilization of the wind energy can be realized, the power performance is better, and the utilization rate of the wind energy is higher.)

1. A chain transmission type wind power generation system comprises a main frame (1), a chain wheel (2), a transmission chain (3), blades (4), a speed reducer (7) and a generator (not shown in the figure), and is characterized in that: a plurality of sprocket (2) two liang mate to connect through horizontal connecting rod (5), connecting rod (5) both ends all are equipped with bearing frame (6), just connecting rod (5) are installed through bearing frame (6) on main frame (1), install driving chain (3) on sprocket (2), and with sprocket (2) meshing connection, blade (4) are fixed on driving chain (3), reduction gear (7) with the generator is all installed on connecting rod (5), drive driving chain (3) through blade (4) and remove in the air current to drive sprocket (2) of being connected with driving chain (3) and rotate, drive the generator electricity generation.

2. A chain driven wind power system according to claim 1, wherein: the main outline of the main frame (1) is two vertical parallel triangular steel frames with mirror symmetry.

3. A chain driven wind power system according to claim 2, wherein: the three corners of the triangular main frame (1) are respectively provided with a pair of chain wheels (2), and the transmission chain (3) is hung on the chain wheels (2) and forms a triangular structure.

4. A chain driven wind power system according to claim 3, wherein: at least one pair of chain wheels (2) is further arranged below the main frame (1), and the transmission chain (3) is hung on the chain wheels (2) and forms a polygonal structure.

5. A chain driven wind power system according to claim 1, wherein: connecting plates (9) are installed at two ends of the blade (4), additional iron sheets are installed on the outer side of the transmission chain (3), mounting holes are formed in the center positions of the additional iron sheets, and two ends of each connecting plate (9) are connected with the mounting holes in the additional iron sheets through screws and are fixed through bolts.

6. A chain driven wind power system according to claim 1, wherein: the blades (4) are of wing-shaped structures, the blades (4) are made of glass fiber reinforced plastics or aluminum alloy, an angle A formed by an individual blade (4) and the wind direction is selected for installation, the value range of the angle A is 75-105 degrees, and the other blades (4) are installed in parallel with the blades (4) with determined angles every 6-8 chain links.

Technical Field

The invention relates to a power generation system, in particular to a chain transmission type wind power generation system

Background

At present, wind driven generators commonly used in various countries are two-blade or three-blade horizontal shaft lifting type wind turbines, and through decades of development and improvement, the wind energy utilization rate of the wind turbine is higher and higher, and the single-machine capacity is also higher and higher. However, such a wind turbine still has drawbacks, which are particularly shown in: the twisted blade is in a streamline airfoil shape, so that the manufacturing difficulty is large, the transportation of the blade and the replacement after the blade is damaged are laborious, the wind energy utilization rate is low because the wind energy passing through the swept area of the blade can only be intercepted by the running rotor of the wind turbine once, and the like.

Therefore, it is obvious that the above-mentioned existing wind power generator still has inconvenience and defects in structure and use, and further improvement is needed. How to create a novel wind driven generator with good economy, convenient maintenance and high wind energy utilization rate is necessary.

Disclosure of Invention

The present invention is directed to solving the above problems and providing a chain-driven wind turbine system.

The invention achieves the purpose through the following technical scheme, and the chain transmission type wind power generation system comprises a main frame, a chain wheel, a transmission chain, blades, a speed reducer and a generator, wherein the main frame is assembled through a plurality of support rods, the plurality of chain wheels are paired in pairs and connected through a transverse connecting rod, bearing seats are arranged at two ends of the connecting rod, the connecting rod is installed on the main frame through the bearing seats, the transmission chain is installed on the chain wheel and is meshed with the chain wheel, the blades are fixed on the transmission chain, the speed reducer and the generator are installed on the connecting rod, and the transmission chain is driven to move in air flow through the blades, so that the chain wheel connected with the transmission chain is driven to rotate, and the generator is driven to generate electricity.

As a technical optimization scheme of the invention, the main profile of the main frame is two vertically parallel triangular steel frames with mirror symmetry, and the stability of the frame structure is improved through the stability of the triangle.

As a technical optimization scheme of the invention, a pair of chain wheels is respectively arranged at three corners of the triangular main frame, the transmission chain is hung on the chain wheels to form a triangular structure, the transmission chain is stably arranged through three pairs of basic chain wheels, and the structure of the transmission chain is fixed by utilizing the stability of the triangle, so that the subsequent chain wheels can be conveniently arranged.

As a technical optimization scheme of the invention, at least one pair of chain wheels is further arranged below the main frame, and the transmission chain is hung on the chain wheels and forms a polygonal structure so as to adjust the angle when the transmission chain is meshed with the chain wheels and adapt to the change of the length of the transmission chain when the angle of the support is changed.

As a technical optimization scheme of the invention, connecting plates are arranged at two ends of each blade, an additional iron sheet is arranged outside the transmission chain, a mounting hole is formed in the center of the additional iron sheet, and two ends of each connecting plate are connected with the mounting holes in the additional iron sheets through screws and are fixed through bolts.

As a technical optimization scheme of the invention, the blades are of wing-shaped structures, the blades are made of glass fiber reinforced plastics or aluminum alloy, an angle A formed by an individual blade and the wind direction is selected for installation, the value range of the angle A is 75-105 degrees, the other blades are installed in parallel with the blades with determined angles every 6-8 chain links, the movement direction of the blades is subjected to the maximum force, and the stress direction and the movement direction of the blades are the same when the blades move upwards or downwards in the circulation process, so that the wind energy can be intercepted by the front and rear blades.

As a technical optimization scheme of the invention, a support can be installed below the main frame according to a specific placement environment, so that the overall height is increased, and higher wind power is obtained.

The invention has the beneficial effects that:

1. the addition of the chain transmission enables the blades to be distributed around the triangular frame, and the installation and maintenance of the blades are facilitated.

2. The blades rotate around the triangular frame due to the addition of the chain transmission, the blades rotate and simultaneously have translation, and the increase of the translation enables wind energy to be better utilized in space, so that the wind power utilization efficiency is improved.

3. The main frame is triangular, so that the front blade and the rear blade can intercept wind energy, secondary utilization of the wind energy can be realized, the power performance is better, the utilization rate of the wind energy is higher, and the problem of low wind energy utilization rate of the traditional horizontal axis wind turbine is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a top view of the overall structure of the present invention;

FIG. 4 is a side view of the overall structure of the present invention;

fig. 5 is a perspective view of the blade of the present invention.

FIG. 6 is a graph of the results of a blade stress analysis according to the present invention.

In the figure: 1. the device comprises a main frame, 2, a chain wheel, 3, a transmission chain, 4, blades, 5, a connecting rod, 6, a bearing seat, 7, a speed reducer, 8, a support rod, 9 and a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.