CN115549384A

CN115549384A - Power generation shaft

Info

Publication number: CN115549384A
Application number: CN202210298933.8A
Authority: CN
Inventors: 陈施宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-12-30

Abstract

The invention discloses a power generation shaft, which comprises a shaft sleeve, a shaft sleeve and a power generation shaft, wherein the shaft sleeve is a hollow cylindrical barrel; two end covers respectively fixedly arranged at two ends of the shaft sleeve; a central shaft disposed at a central position within the shaft sleeve; two ends of the central shaft are respectively provided with a central shaft sleeve; the two end covers are respectively provided with a bearing, and the two central shaft sleeves respectively penetrate through the centers of the corresponding bearings and extend into the corresponding end covers; a rotor set fixedly arranged on the inner wall of the shaft sleeve and rotating along with the rotation of the shaft sleeve; a stator set fixedly disposed on the central shaft and disposed within the rotor set, the rotor set moving relative to the stator set. The invention can effectively realize the power generation function of the rotating shaft.

Description

Power generation shaft

Technical Field

The invention relates to the technical field of power generation equipment, in particular to a power generation shaft.

Background

With the increasing energy consumption and the increasing demand for environmental protection, the development of renewable new energy is more and more emphasized, wherein wind power generation and water turbine power generation are one of the fastest-developing new energy, and the design of a wind power generator set and a water turbine generator set becomes a vital technology in the new energy power generation industry. The transmission chain is used as a core system of a wind generating set or a water turbine generating set, and the operation characteristics and cost of the transmission chain directly determine the performance of the generating set. The main shaft is an important part of a transmission chain of the generator set; the existing main shaft generally only plays a role in supporting a wind wheel or a water wheel and transmitting power and does not have a power generation function. Therefore, in view of the defects of the above solutions in actual manufacturing and implementation and use, the present invention provides a power generation shaft, which is modified and improved, is based on the spirit and concept of the solution, is assisted by professional knowledge and experience, and is created after many times of ingenuity and experiments, so as to solve the above problems.

Disclosure of Invention

It is an object of the present invention to provide a power generation shaft so as to solve the above problems.

The power generation shaft can be realized through the following technical scheme:

the invention relates to a power generation shaft, which comprises a shaft sleeve, a shaft sleeve and a power generation shaft, wherein the shaft sleeve is a hollow cylindrical barrel; two end covers respectively fixedly arranged at two ends of the shaft sleeve; a central shaft disposed at a central position within the shaft sleeve; two ends of the central shaft are respectively provided with a central shaft sleeve; the two end covers are respectively provided with a bearing, and the two central shaft sleeves respectively penetrate through the centers of the corresponding bearings and extend into the corresponding end covers; a rotor set fixedly arranged on the inner wall of the shaft sleeve and rotating along with the rotation of the shaft sleeve; and the stator group is fixedly arranged on the central shaft and is arranged in the rotor group, and the rotor group moves relative to the stator group.

In one embodiment, a plurality of mounting positions are arranged on the shaft sleeve, and the energy picking mechanism is detachably mounted on the corresponding mounting positions.

In one embodiment, the energy pick-up mechanism is a wind turbine blade or a water turbine blade.

In one embodiment, the end cap includes an end cap body and a sleeve, the end cap body is tightly connected with one end of the corresponding shaft sleeve through a buckle structure or a screw structure, the sleeve is a hollow cavity, one end of the sleeve is arranged on the side edge of the end cap body, and the other end of the sleeve is sealed.

In one embodiment, the end cap body and the sleeve are integrally formed or assembled.

In one embodiment, a sealing ring is further disposed between the end cap and the shaft sleeve.

In one embodiment, a plurality of through grooves are formed in the central shaft, and output leads on the stator groups are led out of the shaft sleeve through the corresponding through grooves respectively.

In one embodiment, the rotor set comprises a plurality of hollow cylindrical rotors, and the rotors are uniformly and fixedly arranged on the inner part of the bearing cylinder and rotate along with the rotation of the bearing cylinder; a gap is provided between two of the rotors adjacent to each other.

In one embodiment, the stator group comprises a plurality of stators, the plurality of stators are uniformly and fixedly arranged on the central shaft, and the plurality of stators are respectively arranged in the corresponding rotors; a gap is formed between the two adjacent stators, and the plurality of wire passing sleeves are respectively arranged in the gap between the two stators.

In one embodiment, a plurality of partition plates are respectively disposed in the gap between the two rotors and in the gap between the corresponding two stators.

Compared with the prior art, the power generation shaft has the beneficial effects that:

according to the power generation shaft, the shaft sleeve is tightly connected into a whole through the two end covers, so that the two end covers and the shaft sleeve form a sealed space, and the power generation shaft has a dustproof and waterproof function; the rotor set is fixedly arranged on the inner wall of the shaft sleeve, a cavity is arranged in the rotor set, the central shaft is arranged in the rotor set, the stator set is fixedly arranged on the central shaft, and the shaft sleeve rotates corresponding to the central shaft under the action of the bearing, so that the rotor set is driven to rotate relative to the stator set, the stator set generates voltage, and the function of axial power generation is realized; a plurality of through grooves are formed in the outer surface of the central shaft, output leads on the stator groups respectively pass through corresponding wire passing sleeves, and then are led out of the shaft sleeve from the corresponding through grooves to be connected to terminals on the power supply line concentration board; simultaneously, a plurality of installation positions are arranged on the shaft sleeve, so that the energy picking structure can be detachably connected to the shaft sleeve, the energy picking structure can be adjusted at will when being conveniently applied, and meanwhile, the utilization rate of energy is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic view of a power generation shaft according to the present invention;

FIG. 2 is a schematic cross-sectional view of a power shaft of the present invention shown in FIG. 1;

FIG. 3 is an exploded view of the power shaft of FIG. 1 in accordance with the present invention;

fig. 4 is an exploded view of the other side of the power generation shaft of the present invention shown in fig. 3.

The following are marked in the figure: 11, a shaft sleeve; 111, a mounting location; 12, end covers; 121, an end cap body; 122, a sleeve; 13, a central axis; 131, a through groove; 14, a central shaft sleeve; 15, a bearing; 16, a rotor set; 17, stator groups; 18, a wire casing; 19, a separator.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the present invention, unless otherwise expressly stated or limited, the first feature may be directly contacting the second feature or may be directly contacting the first or second feature with the second feature therebetween. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature being below, beneath or beneath a second feature includes the first feature being directly below and obliquely below the second feature or simply indicating that the first feature is at a lesser level than the second feature.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, a power generation shaft of the present invention mainly includes a shaft sleeve 11, an end cover 12, a central shaft 13, a central shaft sleeve 14, a bearing 15, a rotor set 16, and a stator set 17; the shaft sleeve 11 is a hollow cylinder; the two end covers 12 are fixedly arranged at two ends of the shaft sleeve 11; the central shaft 13 is arranged at the center of the shaft sleeve 11; two ends of the central shaft 13 are respectively provided with a central shaft sleeve 14; bearings 15 are respectively arranged in the two end covers 12, the two central shaft sleeves 14 respectively penetrate through the centers of the corresponding bearings 15 and extend into the corresponding end covers 12, and the two end covers 12 can respectively rotate around the central shaft sleeves 14 under the action of the corresponding bearings 15; the rotor set 16 is fixedly arranged on the inner wall of the shaft sleeve 11 and rotates along with the rotation of the shaft sleeve 11; the stator assembly 17 is fixedly disposed on the central shaft 13 and disposed within the rotor assembly 16, the rotor assembly 16 rotates around the stator assembly 17, and the rotor assembly 16 moves relative to the stator assembly 17 to generate a voltage.

Referring to fig. 1 and 4, in the present embodiment, a plurality of mounting locations 111 are disposed on the shaft sleeve 11, and the energy pickup mechanism is detachably mounted on the corresponding mounting locations 111, specifically, the energy pickup mechanism is a wind turbine blade or a water turbine blade.

Referring to fig. 1 to 4, in the present embodiment, the end cap 12 includes an end cap main body 121 and a sleeve 122, the end cap main body 121 is tightly connected to one end of the corresponding shaft sleeve through a fastening structure or a screw structure, the sleeve 122 is a hollow cavity, one end of the sleeve is disposed at a side of the end cap main body 121, and the other end of the sleeve 122 is sealed. In this embodiment, the end cap body 121 and the sleeve 122 are integrally formed, and in other embodiments, the end cap body 121 and the sleeve 122 may also be assembled. The end cover 12 and the shaft sleeve 11 form a closed space, so that the dustproof and waterproof function is achieved; in some embodiments, for better waterproof and dustproof effects, a sealing ring is further disposed between the end cover 12 and the shaft sleeve 11, and preferably, the sealing ring is made of silica gel.

Referring to fig. 3 and 4, in the present embodiment, a plurality of through slots 131 are disposed on the central shaft 13, and output leads on the stator groups 17 are respectively led out from the shaft sleeve 11 through the corresponding through slots 131. In this embodiment, the material of the central shaft sleeve 14 is metal, and specifically, the material of the central shaft sleeve 14 is stainless steel.

Referring to fig. 2-4, in the present embodiment, the rotor set 16 includes a plurality of hollow cylindrical rotors uniformly and fixedly disposed on the inside of the bearing barrel 11, and the rotors rotate along with the rotation of the bearing barrel 11; a gap is provided between two of the rotors adjacent to each other. In this embodiment, the stator group 17 includes a plurality of stators uniformly and fixedly disposed on the central shaft 14, the number and the positions of the stators are matched with the number and the positions of the rotors, the plurality of stators are respectively disposed in the corresponding rotors, and the plurality of rotors respectively rotate around the corresponding stators, so that the stators generate voltages; a gap is arranged between two adjacent stators, a plurality of wire-passing sleeves 18 are respectively arranged in the gap between the two stators, and output leads on the stator groups 17 respectively enter the corresponding through grooves 131 through the corresponding wire-passing sleeves 18, so that voltage generated by rotation of the rotor groups 16 corresponding to the stator groups 17 is transmitted out. In the present embodiment, a plurality of partition plates 19 are respectively disposed in the gap between two of the rotors and in the gap between two of the corresponding stators, and function to position and position the rotors and the corresponding stators, and simultaneously partition two of the adjacent stators and two of the rotors. In this embodiment, the rotor is by silicon steel sheet stamping forming, and embedded permanent magnetism section bar, outward appearance cast aluminium is sealed.

It should be noted that, in the power generation shaft of the present invention, the rotor set 16 is embedded into the inner wall of the shaft sleeve 11, the end covers 12 at two ends completely isolate and seal the shaft sleeve 11, a cavity is arranged in the rotor set 16, the end covers 12 at two sides are provided with the central shaft 13, the central portions of the two end covers 12 are respectively provided with the corresponding central shaft sleeve 14 and the corresponding bearing 15, so that the shaft sleeve 11 can rotate around the central shaft 13, meanwhile, the outer surface of the central shaft 13 is provided with a plurality of through grooves 131, the stator sets 17 are uniformly distributed on the whole central shaft 13, the output leads on the stator sets 17 respectively pass through the corresponding wire passing sleeves 18, and then are led out of the shaft sleeve 11 from the corresponding through grooves 131, when the shaft sleeve 11 rotates corresponding to the central shaft 13, the rotor set 16 is driven to rotate relative to the stator sets 17, so that the stator sets 17 generate voltage, and the voltage is transmitted through the output leads; meanwhile, the shaft sleeve 11 is provided with a plurality of mounting positions 111, so that the energy picking structure can be detachably connected to the shaft sleeve 11 and can be adjusted at will when the energy picking structure is used conveniently.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The power generation shaft is characterized by comprising a shaft sleeve which is a hollow cylindrical barrel; two end covers respectively fixedly arranged at two ends of the shaft sleeve; a central shaft disposed at a central position within the shaft sleeve; two ends of the central shaft are respectively provided with a central shaft sleeve; the two end covers are respectively provided with a bearing, and the two central shaft sleeves respectively penetrate through the centers of the corresponding bearings and extend into the corresponding end covers; a rotor set fixedly arranged on the inner wall of the shaft sleeve and rotating along with the rotation of the shaft sleeve; and the stator group is fixedly arranged on the central shaft and is arranged in the rotor group, and the rotor group moves relative to the stator group.

2. The power generation shaft according to claim 1, wherein a plurality of mounting positions are arranged on the shaft sleeve, and the energy pick-up mechanism is detachably mounted on the corresponding mounting positions.

3. The power generation shaft of claim 2, wherein the energy pick-up mechanism is a wind or water wheel blade.

4. The power generation shaft according to claim 1, wherein the end cap comprises an end cap body and a sleeve, and the end cap body is tightly connected with one end of the corresponding shaft sleeve through a buckling structure or a screw structure; the sleeve is a hollow cavity, one end of the sleeve is arranged on the side edge of the end cover main body, and the other end of the sleeve is sealed.

5. The power generating shaft of claim 4, wherein the end cap body and the sleeve are integrally formed or assembled.

6. The power generation shaft of claim 4, further comprising a seal ring disposed between the end cap and the shaft sleeve.

7. The power generation shaft according to claim 1, wherein a plurality of through slots are provided on the central shaft, and the output leads of the stator groups are respectively led out from the shaft sleeve through the corresponding through slots.

8. The power generation shaft of claim 1, wherein the rotor assembly includes a plurality of hollow cylindrical rotors uniformly fixedly disposed on an interior of the bearing cartridge for rotation therewith; a gap is provided between two of the rotors adjacent to each other.

9. A power generating shaft as defined in claim 8, wherein said stator group includes a plurality of stators uniformly and fixedly disposed on said central shaft, said plurality of stators being disposed in corresponding ones of said rotors, respectively; a gap is arranged between the two adjacent stators, and the plurality of wire passing sleeves are respectively arranged in the gap between the two stators.

10. A power generating shaft as defined in claim 9, wherein a plurality of spacers are respectively provided in the gap between two of said rotors and in the gap between the corresponding two of said stators.