CN217421435U

CN217421435U - Vertical shaft transmission structure

Info

Publication number: CN217421435U
Application number: CN202121435686.9U
Authority: CN
Inventors: 刘霁虹; 罗铖; 高家雄; 钟映; 徐翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-09-13
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to a power generation facility technical field provides a vertical axis transmission structure, and wherein, the central authorities of wind wheel structure are located to vertical axis transmission structure, and vertical axis transmission structure includes: a support base; the motor is arranged on the supporting base and is connected with the supporting base; the transmission mechanism is arranged above the motor and connected with a motor rotating shaft of the motor, and the transmission mechanism is connected with the wind wheel structure; and the magnetic suspension bearing is arranged between the support base and the wind wheel structure and is connected with the support base and the wind wheel structure. Through the arrangement of the magnetic suspension bearing, the wind wheel structure can also rotate to generate electricity under the action of external micro-thrust (micro-wind force or micro-water force), so that the generating efficiency is improved, and low energy consumption and low cost are realized. By adopting the magnetic suspension bearing, no abrasion and no contact are realized, the resonance phenomenon of the vertical axis fan is further avoided, and the stability and the reliability of the power generation device are improved.

Description

Vertical shaft transmission structure

Technical Field

The utility model relates to a power generation facility technical field, more specifically say so, relate to a vertical axis transmission structure.

Background

The wind driven generator is used as a renewable clean energy source, is energy-saving and environment-friendly, is applied more and more, and is also the most main component of the future energy source.

The vertical axis wind driven generator in the prior art is easy to cause resonance and mechanical fatigue, and comprises a vertical axis transmission structure which has low rotating efficiency due to large friction in the rotating process, so that the generating efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical axis transmission structure to vertical axis transmission structure easily arouses wind energy conversion system resonance and tired problem among the solution prior art, and then solves the technical problem that transmission efficiency is low.

In order to achieve the above object, the utility model adopts the following technical scheme:

on the one hand, the utility model provides a vertical axis transmission structure locates the central authorities of wind wheel structure, vertical axis transmission structure includes:

a support base;

the motor is arranged on the supporting base and is connected with the supporting base;

the transmission mechanism is arranged above the motor and connected with a motor rotating shaft of the motor, and the transmission mechanism is connected with the wind wheel structure;

and the magnetic suspension bearing is arranged between the support base and the wind wheel structure and is connected with the support base and the wind wheel structure.

According to the above vertical shaft transmission structure, the magnetic suspension bearing comprises:

the stator is provided with a permanent magnet and is connected with the support base;

the rotor, be equipped with the permanent magnet on the rotor, the rotor is located the top of stator and with wind wheel structural connection, just the stator with repulse between the rotor and have first clearance, the rotor is in can be relative under the effect of wind wheel structure the stator rotates.

According to the vertical shaft transmission structure, the magnetic suspension bearing further comprises an auxiliary bearing, and the auxiliary bearing is arranged on the inner side wall of the stator;

the magnetic suspension bearing also comprises a bearing part, and the bearing part is arranged on the inner side wall of the rotor;

the auxiliary bearing and the bearing part are provided with a second gap, and the second gap is smaller than the first gap.

According to the vertical shaft transmission structure, the baffle is sleeved on the periphery of the magnetic suspension bearing.

According to the vertical shaft transmission structure, the wind wheel structure comprises a wind wheel component, the wind wheel component comprises a transverse support, and a through hole is formed in the middle of the transverse support;

the transmission mechanism comprises a planetary gear set, the planetary gear set is arranged in the through hole and connected with the wall of the through hole, and the rotating shaft of the motor is connected with the planetary gear set.

According to the above vertical shaft transmission structure, the planetary gear set comprises a gear ring, a sun gear and a pinion, the sun gear is arranged in the gear ring, at least one pinion is arranged on the periphery of the sun gear, the pinion is respectively meshed with the sun gear and the gear ring, and the end part of the motor rotating shaft is connected with the sun gear shaft.

According to the vertical shaft transmission structure, the minor planet gear is connected with the supporting base through the planet shaft.

According to the vertical shaft transmission structure, the vertical shaft transmission structure further comprises a brake mechanism, and the brake mechanism is used for controlling the motor to stop rotating.

According to the above-mentioned vertical axis transmission structure, the brake mechanism is an electric brake mechanism, and includes:

braking the motor;

the brake band is arranged around the outer part of the motor rotating shaft and connected with the brake motor.

According to the above-mentioned vertical axis transmission structure, the brake mechanism is a manual brake mechanism and includes at least two brake assemblies, each of the brake assemblies includes:

the brake clamp is used for holding the motor rotating shaft;

one end of the V-shaped lever part is connected with the brake clamp, and the other end of the V-shaped lever part is used for being connected with a brake handle;

and the elastic component is connected with the V-shaped lever piece.

The utility model provides a vertical axis transmission structure's beneficial effect lies in at least:

(1) the utility model provides a vertical axis transmission structure, through magnetic suspension bearing's setting for the wind wheel structure also can effectual rotation under the effect of outside micro-thrust (little wind-force or little water conservancy), thereby realizes that the motor also can rotatory power generation under the outside micro-thrust condition, and then has improved the generating efficiency, and has realized low energy consumption, low cost.

(2) The utility model provides a vertical axis transmission structure through setting up xarm support, magnetic suspension bearing, planetary gear, has strengthened the transmission of being connected with the wind wheel structure, has improved the tired problem of machinery of vertical axis wind energy conversion system, and then makes the wind wheel structure rotate more steady of in-process.

(3) The utility model provides a vertical axis transmission structure through adopting magnetic suspension bearing, has realized nos wearing and tearing, contactless, and then has avoided having used vertical axis aerogenerator to produce resonance phenomenon, and then has improved power generation facility's stability, reliability.

Drawings

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

Fig. 1 is a schematic structural diagram of a vertical axis transmission structure according to an embodiment of the present invention;

fig. 2 is a first schematic structural diagram of a power generation device to which the vertical shaft transmission structure of the embodiment of the present invention is applied;

fig. 3 is a schematic structural diagram of a braking mechanism according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless explicitly defined otherwise.

Referring to fig. 1, the present embodiment provides a vertical axis transmission structure 10 disposed at the center of a wind wheel structure 20, where the vertical axis transmission structure 10 includes: a support base 110; the motor 120 is arranged on the supporting base 110 and connected with the supporting base 110; the transmission mechanism 130 is arranged above the motor 120 and connected with the motor rotating shaft 121 of the motor 120, and the transmission mechanism 130 is connected with the wind wheel structure 20; the magnetic suspension bearing 140 is disposed at the periphery of the motor rotating shaft 121, and the magnetic suspension bearing 140 is disposed between the support base 110 and the wind wheel structure 20, and is connected to both the support base 110 and the wind wheel structure 20.

The working principle of the vertical shaft transmission structure 10 provided by the embodiment is as follows:

in the vertical axis transmission structure 10 provided in this embodiment, because the wind wheel structure 20 is connected to the transmission mechanism 130, and the transmission mechanism 130 is connected to the motor rotating shaft 121, under the action of an external thrust (wind power or hydraulic power), the wind wheel structure 20 is pushed by the external thrust to rotate, and the wind wheel structure 20 is linked to the motor rotating shaft 121 through the transmission mechanism 130 to rotate, so that the motor 120 realizes wind power generation; meanwhile, because the magnetic suspension bearing 140 is arranged between the supporting base 110 and the wind wheel structure 20, and the magnetic suspension bearing 140 has the characteristics of no abrasion, no lubrication, less heat generation, no power consumption and the like, the wind wheel structure 20 can effectively rotate under the action of external micro-thrust (micro-wind force or micro-water force) through the action of the magnetic suspension bearing 140, so that the motor 120 can also rotate to generate power under the condition of the external micro-thrust, and low energy consumption and low cost are realized.

The vertical shaft transmission structure 10 provided by the embodiment has at least the following beneficial effects:

(1) the vertical axis transmission structure 10 provided in this embodiment, through the arrangement of the magnetic suspension bearing 140, enables the wind wheel structure 20 to effectively rotate under the action of the external micro-thrust (micro-wind force or micro-water force), thereby realizing that the motor 120 can also rotate to generate electricity under the condition of the external micro-thrust, further improving the power generation efficiency, and realizing low energy consumption and low cost.

(2) According to the vertical shaft transmission structure 10 provided by the embodiment, the magnetic suspension bearing 140 is arranged, so that the connection position between the vertical shaft transmission structure 10 and the wind wheel structure 20 is increased, and the wind wheel structure 20 is more stable in the rotating process.

(3) The vertical axis transmission structure 10 provided in this embodiment realizes no wear and no contact by using the magnetic suspension bearing 140, thereby avoiding the resonance phenomenon of the power generation device 100 to which the vertical axis transmission structure 10 is applied, and further improving the stability and reliability of the power generation device 100.

In a preferred embodiment, with continued reference to fig. 1, the magnetic suspension bearing 140 includes: the stator 141 is annular, a permanent magnet is arranged on the stator 141, and the stator 141 is connected with the support base 110; the rotor 142 is annular, a permanent magnet is disposed on the rotor 142, the rotor 142 is disposed above the stator 141 and connected to the wind wheel structure 20, the stator 141 and the rotor 142 repel each other and have a first gap 143, and the rotor 142 can rotate relative to the stator 141 under the action of the wind wheel structure 20.

Under the action of external micro-thrust (micro-wind force or micro-water force), the wind wheel structure 20 is stressed, and the rotor 142 and the stator 141 repel each other under the action of a magnetic field and have the first gap 143, so that the wind wheel structure 20 can easily drive the rotor 142 to rotate relative to the stator 141, the rotor 142 and the stator 141 are always kept to have the first gap 143, the rotor 142 and the stator 141 are not in contact and have no friction, and the transmission mechanism 130 is further used for being linked with the motor rotating shaft 121 to rotate more efficiently, so that power generation is realized. The magnetic suspension bearing 140 provided by the embodiment has a simple structure and runs stably.

Optionally, the first gap 143 has a size ranging from 8mm to 12 mm. Optionally, the size of the first gap 143 is 10 mm. It should be understood that the size of the first gap 143 is not limited to the above case, and may be other cases, which are not limited herein.

In a preferred embodiment, with continued reference to fig. 1, the magnetic suspension bearing 140 further includes an auxiliary bearing 144, wherein the auxiliary bearing 144 is disposed on an inner sidewall of the stator 141; the magnetic suspension bearing 140 further includes a receiving portion 145, and the receiving portion 145 is disposed on an inner sidewall of the rotor 142; the auxiliary bearing 144 and the receiving portion 145 have a second gap 146, and the second gap 146 is smaller than the first gap 143.

Under normal conditions (without loss of field) of the magnetic suspension bearing 140, the rotor 142 rotates relative to the stator 141, and a first gap 143 is always maintained between the rotor 142 and the stator 141. When the rotor 142 and the stator 141 are in a magnetic loss state, the rotor 142 moves towards the stator 141 until the receiving part 145 arranged on the inner side of the rotor 142 is connected with the auxiliary bearing 144 arranged on the inner side wall of the stator 141, and because the second gap 146 between the auxiliary bearing 144 and the receiving part 145 is smaller than the first gap 143 when the rotor 142 and the stator 141 are not in a magnetic loss state, when the receiving part 145 is connected with the auxiliary bearing 144, a gap is also formed between the rotor 142 and the stator 141, so that the receiving part 145 and the auxiliary bearing 144 are conveniently matched, and the rotor 142 can be driven by the wind wheel structure 20 to rotate relative to the stator 141 under the action of wind or water force. It can be seen that the arrangement of the receiving portion 145 and the auxiliary bearing 144 improves the stability of the vertical axis transmission structure 10 as a whole, and the structure is simple, and meanwhile, the receiving portion 145 is also used for limiting the rotation track of the rotor 142.

Optionally, the second gap 146 has a size ranging from 4mm to 6 mm. Optionally, the second gap 146 has a dimension of 5 mm. It should be understood that the size of the second gap 146 is not limited to the above-mentioned case, and other cases are also possible, and is not limited herein.

In a preferred embodiment, with continued reference to fig. 1, the magnetic suspension bearing 140 is sleeved with a baffle 147 for blocking dust and preventing the dust from entering the magnetic suspension bearing 140.

In a preferred embodiment, with continued reference to fig. 1 and 2, the vertical axis transmission structure is configured to connect between the wind wheel structure 20 and the tower 30, the transmission mechanism 130 includes a planetary gear set 131, the planetary gear set 131 is disposed in the through hole and connected to the through hole wall, and the motor shaft 121 is connected to the planetary gear set 131.

Because the transmission mechanism 130 includes the planetary gear set 131, the planetary gear set 131 is connected and transmitted through being matched with the gear ring in the transverse support 211 of the wind wheel structure 20, and the planetary gear set 131 is also connected with the motor rotating shaft 121, so that under the action of external thrust (wind power or water power), the transverse support 211 is linked with the planetary gear set 131 to rotate, and the planetary gear set 131 is linked with the motor rotating shaft 121 to rotate, thereby realizing the work and power generation of the driving motor 120, and the structure is simple, and the transmission ratio of the motor 120 can be improved by adopting the planetary gear set 131, and further improving the power generation efficiency of the motor 120.

In a preferred embodiment, with continued reference to fig. 1, the planetary gear set 131 includes a ring gear 1311, a sun gear 1312, and a pinion planetary gear set 1313, the ring gear 1311 is provided with the sun gear 1312, the periphery of the sun gear 1312 is provided with at least one pinion planetary gear set 1313, the pinion planetary gear set 1313 is respectively meshed with the sun gear 1312 and the ring gear 1311, and the gear portion at the end of the motor rotation shaft 121 is meshed with the sun gear 1312.

In a preferred embodiment, with continued reference to FIG. 1, the pinion planetary gear set 1313 is connected to the support base 110 by a planet shaft 13131. Thereby making the entire planetary gear set 131 more stably coupled in the through-hole of the cross bracket 211.

Optionally, three sets of pinion gears 1313 are provided around the sun gear 1312, and three sets of pinion gears 1313 are uniformly disposed around the sun gear 1312. It should be understood that the number of the peripheral pinion planetary gear sets 1313 of the sun gear 1312 is not limited to three as described above, but may be other numbers, such as four, etc., without limitation.

In a preferred embodiment, with continued reference to fig. 1, the vertical axis transmission structure 10 further includes a braking mechanism 150, and the braking mechanism 150 is used for controlling the motor 120 to stop rotating.

In a preferred embodiment, with continued reference to fig. 1, the braking mechanism 150 may be an electric braking mechanism, including: a brake motor 151; and a brake band 152, the brake band 152 being disposed around the motor shaft 121, and the brake band 152 being connected to the brake motor 151. When the motor 120 needs to be controlled to stop rotating, the braking belt 152 is adjusted by controlling the braking motor 151, so that the braking belt 152 tightly embraces the motor rotating shaft 121, the motor 120 is prevented from continuing to rotate, the motor 120 is controlled to stop rotating, and the braking mechanism 150 is simple in structure and convenient to use.

In another preferred embodiment, referring to fig. 3, the braking mechanism 150 is a manual braking mechanism, and includes at least two braking components, each of the braking components includes: the brake clamp 153 is used for holding the motor rotating shaft 121; a V-shaped lever member 154, one end of the V-shaped lever member 154 is connected with the brake clamp 153, and the other end of the V-shaped lever member 154 is used for connecting the brake handle 31; and the elastic component 155, wherein the elastic component 155 is connected with the V-shaped lever member 154. Optionally, referring to fig. 2, the brake handle 131 is disposed on the tower 30, and is convenient for an operator to manually operate the brake handle through a maintenance window 33 disposed on the tower 30, and the brake handle 31 is connected to the V-shaped lever 154 through the steel wire 32. When the motor 120 needs to be controlled to stop rotating, an operator operates the brake handle 131, one end of the V-shaped lever member 154 connected with the brake handle 131 is pulled, and then one end of the V-shaped lever member 154 connected with the brake clamp 153 is also pulled, so that the brake clamp 153 is driven to move and hold the motor rotating shaft 121, at the moment, the elastic component 155 generates elastic deformation, and when the brake handle 31 is operated again, the elastic component 155 recovers the elastic deformation and drives the V-shaped lever member 154 and the brake clamp 153 to recover to the original position.

Optionally, the part of the brake caliper 153 for embracing the motor shaft 121 is in an inward concave arc shape, and a brake pad 156 is disposed at the inward concave arc position, so that the brake caliper 153 tightly embraces the motor shaft 121 to control the motor shaft 121 to stop rotating.

Optionally, as shown in fig. 1, the supporting base 110 includes: the support base plate 111 is connected with the tower 30, and the motor 120 is arranged on the support base plate 111 and connected with the support base plate 111; a support part 112, wherein the support part 112 is arranged on the support base plate 111 and connected with the support base plate 111, and the magnetic suspension bearing 140 is arranged on the support part 112 and connected with the support part 112; the supporting frame 113 is arranged on the supporting base plate 111 and connected with the supporting base plate 111, and the transmission mechanism 130 is connected with the supporting frame 113 through a planet shaft 13131. Optionally, the motor 120 is disposed in a cavity formed by the support frame 113 and the support base plate 111, and the motor shaft 121 penetrates through the support frame 113 and is connected to the transmission mechanism 130.

In a preferred embodiment, referring to fig. 2, the power generation device 100 further includes a tower drum 30 and a base 40, the tower drum 30 is disposed above the base 40 and connected to the base 40, the vertical axis transmission structure 10 is disposed at the top end of the tower drum 30 and connected to the tower drum 30, and the wind wheel structure 20 is disposed above the vertical axis transmission structure 10 and connected to the vertical axis transmission structure 10.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A vertical axis transmission structure is arranged in the center of a wind wheel structure, and is characterized by comprising:

a support base;

2. The vertical axis drive of claim 1, wherein the magnetic bearing comprises:

3. The vertical axis drive of claim 2, wherein the magnetic bearing further comprises an auxiliary bearing disposed on an inner sidewall of the stator;

4. The vertical axis drive of claim 1, wherein the magnetic suspension bearings are peripherally sleeved with baffles.

5. The vertical axis drive of claim 1, wherein the wind wheel structure comprises a wind wheel assembly, the wind wheel assembly comprises a transverse bracket, and a through hole is formed in the middle of the transverse bracket;

the transmission mechanism comprises a planetary gear set, the planetary gear set is arranged in the through hole and connected with the wall of the through hole, and the rotating shaft of the motor is connected with the planetary gear.

6. The vertical shaft transmission structure according to claim 5, wherein the planetary gear set includes a ring gear, a sun gear, and a pinion gear, the sun gear is provided in the ring gear, at least one of the pinion gears is provided on an outer periphery of the sun gear, the pinion gears are engaged with the sun gear and the ring gear, respectively, and an end of a rotating shaft of the motor is connected to the sun gear shaft.

7. A vertical axis drive arrangement as claimed in claim 6, wherein the asteroid gear is connected to the support base by a planet shaft.

8. The vertical axis drive of claim 1, further comprising a brake mechanism for controlling the motor to stop rotating.

9. The vertical axis drive of claim 8, wherein the brake mechanism is an electric brake mechanism and comprises:

braking the motor;

10. The vertical axis drive of claim 8, wherein the brake mechanism is a manual brake mechanism and comprises:

at least two brake assemblies, each said brake assembly comprising:

the brake clamp is used for holding the motor rotating shaft;

one end of the V-shaped lever member is connected with the brake clamp, and the other end of the V-shaped lever member is used for connecting a brake handle;

and the elastic component is connected with the V-shaped lever piece.