CN212003437U

CN212003437U - Wind generating set

Info

Publication number: CN212003437U
Application number: CN202020563471.4U
Authority: CN
Inventors: 魏周亮; 李新; 武萍
Original assignee: Northwest Electric Power Construction Gansu Engineering Co Ltd Of China Energy Construction Group
Current assignee: Northwest Electric Power Construction Gansu Engineering Co Ltd Of China Energy Construction Group
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-11-24
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a wind generating set, including a tower section of thick bamboo, cabin and impeller assembly, a tower section of thick bamboo is installed in the cabin lower extreme, and elevating system is installed to the head in cabin, and impeller assembly installs on elevating system. The utility model discloses simple structure can adjust the height of impeller assembly through elevating system to when taking place strong wind, can descend impeller assembly, enable blade and ground contact even, avoided impeller assembly's rotation, reduce the impeller epaxial wind wheel rupture of impeller assembly that causes because of strong wind, increase the security, and when wind-force is less, can upwards move impeller assembly, thereby can contact the great wind of eminence, increase the generating effect.

Description

Wind generating set

Technical Field

The utility model relates to a wind power generation technical field, concretely relates to wind generating set.

Background

Wind power generation refers to converting kinetic energy of wind into electric energy. Wind is an energy source without public nuisance, the wind power generation is very environment-friendly, and the generated electric energy is very huge, so more and more countries pay more attention to the wind power generation, which means that the kinetic energy of the wind is converted into the electric energy.

However, the impeller set of the existing wind power generator is fixed, the height of the impeller set cannot be adjusted, and the wind power generator generates power through wind power, and when the wind power generator is in the wind, resistance is generated, and the forces mentioned in mechanics act mutually. Therefore, the stronger the wind force, the greater the resistance, and when the force exceeds the range that the windmill can bear, the wind turbine set can be blown down.

Disclosure of Invention

The utility model aims to solve the technical problem that a wind generating set is provided to solve the problem of proposing in the above-mentioned background art.

The utility model discloses a realize through following technical scheme: a wind generating set comprises a tower, a cabin and an impeller group, wherein the tower is arranged at the lower end of the cabin, a lifting mechanism is arranged at the head of the cabin, the impeller group is arranged on the lifting mechanism, a limiting rod is vertically arranged on the outer wall surface of the tower facing the lifting mechanism, a limiting groove is vertically arranged on the left side surface of the limiting rod, a limiting block is movably arranged in the limiting groove, a first sealing bearing is embedded on the surface of the limiting block, the lifting mechanism comprises a jack, a first gear, a second gear, a third gear, a chain and a frame of an O-shaped structure, an annular groove is arranged on the inner wall surface of the frame along the inner wall surface, the chain is arranged in the annular groove, the first gear is arranged at the upper end of the frame, the third gear is arranged at the lower end of the frame, the second gear is arranged in the middle of the frame, and a part of the first gear, the wind wheel shaft on the impeller assembly passes through the second gear and is installed in the inner ring of the first sealing bearing, the wind wheel shaft and the second gear are welded and fixed, the first shaft rod is installed at the output end of the speed increasing box inside the engine room, one end of the first shaft rod extends to the outside and is installed in the first gear, the second shaft rod is installed in the inner hole of the third gear, the outer wall surface of the tower barrel is provided with a fixing block right opposite to the second shaft rod, the second sealing bearing is installed on the surface of the fixing block in an embedded mode, one end of the second shaft rod is installed in the inner ring of the second sealing bearing, and the limiting block is driven by the jack.

As the preferred technical scheme, install the ejector pin on the bottom surface of stopper, the ejector pin transversely sets up, and ejector pin one end passes the opening of spacing groove and extends to the external world, and the fixing base is installed to tower section of thick bamboo lower extreme, and the jack is installed between fixing base and ejector pin, and the jack is from locking-type jack.

As the preferred technical scheme, the cross sections of the limiting grooves and the limiting blocks are arranged in a dovetail structure, and the limiting blocks are matched with the limiting grooves.

As a preferred technical scheme, more than one connecting rod is arranged between the frame and the tower barrel.

The utility model has the advantages that: the utility model discloses simple structure can adjust the height of impeller assembly through elevating system to when taking place strong wind, can descend impeller assembly, enable blade and ground contact even, avoided impeller assembly's rotation, reduce the impeller epaxial wind wheel rupture of impeller assembly that causes because of strong wind, increase the security, and when wind-force is less, can upwards move impeller assembly, thereby can contact the great wind of eminence, increase the generating effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic structural diagram of the middle lifting mechanism of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and fig. 2, the utility model discloses a wind generating set, including a tower section of thick bamboo 1, cabin 2 and impeller assembly 3, tower section of thick bamboo 1 is installed in cabin 2 lower extreme, elevating system is installed to the head of cabin 2, impeller assembly 3 is installed on elevating system, a gag lever post 5 is installed perpendicularly on the outer wall of tower section of thick bamboo 1 towards elevating system, be equipped with spacing groove 6 perpendicularly on the left surface of gag lever post 5, movable mounting has stopper 7 in the spacing groove 6, embedded first sealed bearing that installs on the surface of stopper 7, elevating system includes jack 19, first gear 15, second gear 16, third gear 17, chain 18 and the frame 4 of "O" type structure, be equipped with the ring channel along the internal face on the internal face of frame 4, chain 18 sets up in the ring channel, first gear 15 sets up in the frame 4 upper end, third gear 17 sets up in the frame 4 lower extreme, the second gear 16 is arranged in the middle of the frame 4, a part of each of the first, second and

third gears

15, 16, 17 extends into the annular groove and is meshed with the chain 18, the wind wheel shaft 8 on the impeller assembly 3 passes through the second gear 16 and is installed in the inner ring of the first sealing bearing, the wind wheel shaft 8 and the second gear 16 are welded and fixed, the first shaft rod is installed at the output end of the speed increasing box in the nacelle 2, one end of the first shaft rod extends to the outside and is installed in the first gear 15, the second shaft rod 14 is installed in the inner hole of the third gear 17, the fixed block 12 is installed on the outer wall surface of the tower 1 opposite to the second shaft rod 14, the second sealing bearing is installed on the surface of the fixed block 12 in an embedded manner, one end of the second shaft rod 14 is installed in the inner ring of the second sealing bearing, and the limit block 7 is driven by the jack 19.

In this embodiment, install ejector pin 9 on the bottom surface of stopper 7, ejector pin 9 transversely sets up, and 9 one end of ejector pin passes the opening of spacing groove 6 and extends to the external world, and fixing base 13 is installed to tower section of thick bamboo 1 lower extreme, and jack 19 installs between fixing base 13 and ejector pin 9, and jack 19 is from locking-type jack.

In this embodiment, the transversal swallow-tailed structure setting of personally submitting of spacing groove 6 and stopper 7, phase-match between stopper 7 and the spacing groove 6 has avoided the stopper to shift out from the spacing groove, has increased the location effect.

In this embodiment, install more than one connecting rod between frame 4 and the tower section of thick bamboo 1, increase the fastness of being connected between frame and the tower section of thick bamboo, avoided rocking of frame.

Wherein, all scribble lubricating oil and anti-rust paint on chain, first, second and the third gear, avoided rustting, increased the smoothness nature of operation.

When externally sending out a wind, the piston rod with the jack retracts, the removal of piston rod has driven the ejector pin, the removal of ejector pin has driven the stopper, make the stopper reciprocate along the spacing groove, the removal of stopper has driven fan shaft and second gear, because the chain can rotate, consequently can not influence reciprocating of second gear, and the removal of second gear can drive the impeller group, until moving the impeller group to the lower extreme, because the wind-force of bottom is less than the eminence, thereby can effectual reduction wind too big and the damage that causes, and when wind-force was very big, can be direct move the impeller group to the bottom, the direct support of blade is subaerial, make the impeller group unable rotation, avoided the fan shaft to be blown by the wind and disconnected, the security has been increased.

When the wind power is small, the impeller group can be moved to the uppermost end, so that the high wind at a high position is relieved, and the power generation efficiency is improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A wind generating set is characterized in that: the lifting mechanism comprises a tower barrel (1), a cabin (2) and an impeller group (3), wherein the tower barrel (1) is installed at the lower end of the cabin (2), a lifting mechanism is installed at the head of the cabin (2), the impeller group (3) is installed on the lifting mechanism, a limiting rod (5) is vertically installed on the outer wall surface of the tower barrel (1) facing the lifting mechanism, a limiting groove (6) is vertically arranged on the left side surface of the limiting rod (5), a limiting block (7) is movably installed in the limiting groove (6), a first sealing bearing is installed on the surface of the limiting block (7) in an embedded mode, the lifting mechanism comprises a jack (19), a first gear (15), a second gear (16), a third gear (17), a chain (18) and a framework (4) of an O-shaped structure, an annular groove is formed in the inner wall surface of the framework (4) along the inner wall surface, the chain (18) is arranged in the annular groove, the, the third gear (17) is arranged at the lower end of the frame (4), the second gear (16) is arranged in the middle of the frame (4), a part of the first, second and third gears (15, 16, 17) extends into the annular groove and is meshed with the chain (18), a wind wheel shaft (8) on the impeller assembly (3) passes through the second gear (16) and is installed in an inner ring of a first sealing bearing, the wind wheel shaft (8) is welded and fixed with the second gear (16), a first shaft lever is installed at the output end of a speed increasing box in the cabin (2), one end of the first shaft lever extends to the outside and is installed in the first gear (15), a second shaft lever (14) is installed in an inner hole of the third gear (17), a fixing block (12) is installed at the position, right opposite to the second shaft lever (14), of the outer wall surface of the tower drum (1), and a second sealing bearing is installed on the surface of the fixing block (12) in an embedded mode, one end of the second shaft lever (14) is arranged in an inner ring of the second sealing bearing, and the limiting block (7) is driven by the jack (19).

2. A wind park according to claim 1, wherein: install ejector pin (9) on the bottom surface of stopper (7), ejector pin (9) transversely set up, and the opening that spacing groove (6) was passed to ejector pin (9) one end extends to the external world, and fixing base (13) are installed to tower section of thick bamboo (1) lower extreme, and jack (19) are installed between fixing base (13) and ejector pin (9), and jack (19) are from locking-type jack.

3. A wind park according to claim 1, wherein: the cross sections of the limiting groove (6) and the limiting block (7) are in a dovetail structure, and the limiting block (7) is matched with the limiting groove (6).

4. A wind park according to claim 1, wherein: more than one connecting rod is arranged between the frame (4) and the tower tube (1).