CN216198653U - Horizontal shaft wind driven generator - Google Patents

Horizontal shaft wind driven generator Download PDF

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Publication number
CN216198653U
CN216198653U CN202122343398.7U CN202122343398U CN216198653U CN 216198653 U CN216198653 U CN 216198653U CN 202122343398 U CN202122343398 U CN 202122343398U CN 216198653 U CN216198653 U CN 216198653U
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China
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main shaft
wind
shaft
supporting platform
brake
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CN202122343398.7U
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Chinese (zh)
Inventor
鲍振博
赵锡润
武子雄
彭锦星
蒋开鸿
姚松齐
解光传
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Tianjin Agricultural University
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Tianjin Agricultural University
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

Abstract

The utility model relates to a horizontal shaft wind driven generator, which is characterized in that: a tower top plate is fixedly arranged at the top of the tower, and a bearing hole is formed in the center of the tower top plate; the lower end of the main shaft supporting platform is connected with a bearing arranged in a bearing hole through a vertical connecting shaft; a circle of supporting screws are connected to the upper end part of the tower top plate; the navigation adjusting mechanism is in driving fit with the main shaft supporting platform; the horizontal main shaft is supported above the main shaft supporting platform, and the front end part of the horizontal main shaft is coaxially and fixedly connected with the hub; the three radial shaft sleeves on the hub are internally inserted with fan blade connecting shafts which extend outwards and are limited by shaft stoppers; the outer ends of the three fan blade connecting shafts are respectively connected with a fan blade, and one fan blade connecting shaft corresponds to one group of variable-pitch mechanisms; the brake mechanism adopts an electromagnetic brake mechanism matched with the horizontal main shaft; the horizontal main shaft is connected with a generator through a multi-stage speed-up mechanism; two wind direction detectors and a wind speed detector are installed at the upper end of an outer control box of the wind turbine electric control system. The wind driven generator has the advantages of simplified structure, good support stability and braking function.

Description

Horizontal shaft wind driven generator
Technical Field
The utility model belongs to the technical field of wind driven generators, and particularly relates to a horizontal shaft wind driven generator.
Background
The wind driven generator is a device for converting wind energy into electric energy, and mainly comprises blades, a generator, mechanical parts and electrical parts. According to the difference of rotating shafts, wind driven generators are mainly divided into two types, namely horizontal shaft wind driven generators and vertical shaft wind driven generators, and the horizontal shaft wind driven generators in the current market occupy the mainstream position.
The angle of a blade of an existing horizontal shaft wind driven generator needs to be adjusted according to the change of the wind speed and the direction of the wind direction, so that the blade is required to be in running fit with one end of a hub of the wind driven generator in an inserting fit mode, the existing running fit mode is complex, and the assembly of the blade and the hub of the wind driven generator is troublesome. In addition, according to the direction change of the wind direction, the course of the whole fan needs to be adjusted, namely the angle of the horizontal shaft on the horizontal plane is adjusted. The existing navigation mode has complex structure assistance and needs to improve the stability; in addition, at present, a hydraulic brake system is generally adopted for a horizontal axis wind turbine, and when the wind speed is too high or under the condition that the power grid-connected condition is not met, the wind turbine is braked so as to avoid damage to the blades or waste of power generation caused by the too high rotating speed of the blades due to the too high wind speed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a horizontal shaft wind driven generator which is simplified in structure, stable in support and capable of having a braking function.
The above object of the present invention is achieved by the following technical solutions:
a horizontal axis wind turbine, characterized by: the wind power generation device comprises a tower, a main shaft supporting platform, a horizontal main shaft, a hub, three blades, a pitch control mechanism, a navigation mechanism, a multi-stage speed increasing mechanism, a generator, a brake mechanism, a wind direction detector, a wind speed detector and a wind turbine electric control system;
a tower top plate is coaxially and fixedly arranged at the top of the tower, and a bearing hole is formed in the center of the tower top plate; the lower end of the main shaft supporting platform is coaxially fixed with a vertical connecting shaft, and the lower end part of the vertical connecting shaft is connected with a bearing arranged in a bearing hole, so that the main shaft supporting platform and a tower frame top plate can be in rotatable fit along the Z-axis direction; supporting screws which are contacted with the lower end of the main shaft supporting platform are uniformly distributed and connected on the upper end part of the tower frame top plate at the periphery of the bearing hole; the navigation mechanism is arranged on the outer side of the tower frame top plate and is in driving fit with the main shaft supporting platform;
the horizontal main shaft is rotatably supported above the main shaft supporting platform along the axis of the horizontal main shaft through a plurality of shaft supporting seats, and the front end part of the horizontal main shaft is coaxially and fixedly connected with the hub; three radial shaft sleeves are uniformly welded on the hub along the circumferential direction, each radial shaft sleeve is arranged along the radial direction of the hub, a fan blade connecting shaft extending outwards is inserted in each radial shaft sleeve in a clearance fit manner, and a shaft stopper for axially limiting the fan blade connecting shaft is fixed at the outer end of each radial shaft sleeve; the outer ends of the three fan blade connecting shafts are respectively fixedly connected with the inner ends of the three blades through flanges; a group of variable-pitch mechanisms are correspondingly arranged outside each radial shaft sleeve and are in driving connection with corresponding fan blade connecting shafts;
the brake mechanism is arranged at the upper end of the main shaft supporting platform and adopts an electromagnetic brake mechanism; under the condition that the wind speed monitored by the wind speed detector is lower than the set wind speed of the system, a brake acting element of the brake mechanism is separated from the horizontal main shaft; under the condition that the wind speed monitored by the wind speed detector tends to or is higher than the set wind speed of the system, a brake action piece of the brake mechanism is in suction contact with the horizontal main shaft;
the horizontal main shaft is connected with a generator through a multi-stage speed-up mechanism, and the multi-stage speed-up mechanism and the generator are both arranged on a main shaft supporting platform; the wind turbine electric control system is arranged above the shaft support platform, and the upper end of an outer control box of the wind turbine electric control system is provided with two wind direction detectors and one wind speed detector; the wind turbine electric control system is used for controlling the working states of the navigation mechanism, the variable pitch mechanism and the brake mechanism according to the wind direction detector and the wind speed detector.
Further: each group of variable-pitch mechanisms comprises a variable-pitch driving motor, a variable-pitch driving gear and a variable-pitch driven gear; the variable pitch driving motor is fixedly arranged on the outer side wall of the corresponding radial shaft sleeve, the variable pitch driving gear is fixedly arranged at the output end of the variable pitch driving motor, the variable pitch driven gear is integrally arranged on the corresponding fan blade connecting shaft, and the variable pitch driven gear is meshed with the variable pitch driving gear.
Further: the navigation adjusting mechanisms are symmetrically arranged in two groups, and each group of navigation adjusting mechanisms comprises a navigation adjusting driving motor, a navigation adjusting driving gear and a navigation adjusting driven gear; the navigation adjusting driving motor is fixedly installed on the outer side wall of the tower top plate, the navigation adjusting driving gear is fixedly installed at the output end of the navigation adjusting driving motor, and the navigation adjusting driven gear is integrally arranged on the outer ring of the main shaft supporting platform.
Further: the brake mechanism comprises two brake acting pieces, an electromagnetic pressing block, a return spring and a brake fixing frame; the brake fixing frame is fixedly connected with the main shaft supporting platform, the electromagnetic pressing block is fixedly connected with the brake fixing frame, and two insertion holes which are arranged in parallel are formed in the front end of the electromagnetic pressing block; the two brake acting pieces are both electromagnetic blocks, and the front ends of the electromagnetic blocks are provided with semicircular grooves matched with the outer diameter of the horizontal main shaft; the rear ends of the two electromagnetic blocks are respectively inserted into the two insertion holes in a clearance fit mode, and two return springs are connected between the rear end of each electromagnetic block and the edge of the vertical plate of the brake fixing frame.
Further: the horizontal main shaft is formed by connecting two shaft sections through a flange, wherein the shaft section positioned at the front end is coaxially welded and connected with the hub.
Further: the multi-stage speed increasing mechanism adopts a gear engagement transmission type two-stage speed increasing structure.
The utility model has the advantages and positive effects that:
1. the utility model adopts the clearance fit mode of the shaft sleeve welded on the hub and the fan blade connecting shaft inserted in the shaft sleeve, realizes the rotating fit of the hub and the fan blade, simplifies the fit structure, can achieve longer fit size, and is beneficial to improving the stability of the rotating fit.
2. The utility model adopts a gear engagement mode driven by a motor to drive the fan blade connecting shaft to rotate, thereby realizing the variable pitch motion of the fan blade, and having simple driving structure and easy operation and control.
3. The main shaft supporting platform for supporting the horizontal shaft and the tower frame top plate are matched with the bearing through the vertical connecting shaft, so that the main shaft supporting platform is rotatably connected with the top of the tower frame, in addition, the auxiliary support for the main shaft supporting platform is realized through a circle of supporting screws arranged at the upper end of the tower frame top plate, and the stability of the main shaft supporting platform support is ensured.
4. The utility model adopts a gear engagement mode driven by two groups of motors to drive the main shaft supporting platform to rotate, thereby realizing the navigation adjustment movement of the wind driven generator, and the driving structure is simple and easy to control.
4. The utility model discloses the brake mechanism who adds, under the too high condition of wind speed, accessible electromagnetic actuation, the horizontal axis of suppression is rotatory, like this, can avoid because wheel hub rotation rate is too high, produces great centrifugal force and causes the harm to fan blade and wheel hub's connection position.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a partial cross-sectional view of the brake mechanism of the present invention.
Detailed Description
The structure of the present invention will be further described by way of examples with reference to the accompanying drawings. It is to be understood that this embodiment is illustrative and not restrictive.
Referring to fig. 1-4, a horizontal axis wind turbine is characterized in that: the wind power generation device comprises a tower 14, a main shaft supporting platform 6, a horizontal main shaft 5, a hub 4, three blades 1, a pitch control mechanism, a navigation mechanism, a multi-stage speed increasing mechanism, a generator 19, a brake mechanism, a wind direction detector 21, a wind speed detector 20 and a wind turbine electric control system 8.
The tower is a basic part of the wind driven generator, a cylinder structure with a mounting flange arranged at the bottom is adopted, a tower top plate 12 is coaxially and fixedly mounted at the top of the tower through screws, the tower top plate is of an annular plate structure, a bearing hole is formed in the center of the tower top plate, the bearing hole is a stepped hole with a large upper part and a small lower part, and a bearing 13 is mounted in a large-diameter hole in the upper part. The main shaft supporting platform is of a disc-shaped platform structure, a vertical connecting shaft 7 is coaxially fixed at the lower end of the main shaft supporting platform through a screw, the vertical connecting shaft is of a stepped shaft structure with a large upper part and a small lower part, and a small-diameter shaft section at the lower part is connected with a bearing arranged in a bearing hole, so that the main shaft supporting platform and a tower frame top plate can be rotatably matched along the Z-axis direction. Supporting screws 9 which are in contact with the lower end of the main shaft supporting platform are uniformly distributed on the upper end of the tower frame top plate around the periphery of the bearing hole and are fixed through locking nuts, and the supporting screws realize auxiliary supporting of the main shaft supporting platform, so that the stability of the main shaft supporting platform is guaranteed. The navigation mechanism is arranged on the outer side of the tower top plate and is in driving fit with the main shaft supporting platform. Namely, the main shaft supporting platform is driven to rotate by a certain angle through the navigation adjusting mechanism, so that the course adjustment of the wind driven generator is realized.
The horizontal main shaft is rotatably supported along its axis above the main shaft support platform by a plurality of shaft supports. The shaft support adopts the integrated configuration of bearing frame and bearing. The front end part of the horizontal main shaft is coaxially and fixedly connected with the hub so as to realize the transmission of the rotation of the hub to the horizontal main shaft. Three radial jacks are uniformly distributed on the hub along the circumferential direction, a radial shaft sleeve 3 is welded and fixed in each jack, a fan blade connecting shaft 2 which extends outwards is inserted in each radial shaft sleeve in a clearance fit mode, and a shaft stopper 26 which axially limits the fan blade connecting shaft is fixed at the outer end of each radial shaft sleeve through a screw. The outer ends of the three fan blade connecting shafts are respectively fixedly connected with the inner ends of the three blades through flanges. And a group of variable-pitch mechanisms are correspondingly arranged outside each radial shaft sleeve and are in driving connection with corresponding fan blade connecting shafts. Namely, the corresponding fan blades are driven to rotate for a certain angle through the variable pitch mechanism, so that variable pitch adjustment of the wind driven generator is realized.
The brake mechanism is used for braking the fan blade to drive the horizontal main shaft when the wind speed is too high so as to avoid damage to the fan blade caused by too large rotating centrifugal force. The brake mechanism is arranged at the upper end of the main shaft supporting platform and adopts an electromagnetic brake mechanism; under the condition that the wind speed monitored by the wind speed detector is lower than the set wind speed of the system, a brake acting element of the brake mechanism is separated from the horizontal main shaft; under the condition that the wind speed monitored by the wind speed detector tends to or is higher than the set wind speed of the system, a brake action piece of the brake mechanism is in suction contact with the horizontal main shaft;
the horizontal main shaft is connected with the generator through a multi-stage speed-up mechanism, and the multi-stage speed-up mechanism and the generator are both arranged on a main shaft supporting platform. The wind turbine electric control system is arranged above the shaft support platform, and the upper end of an outer control box of the wind turbine electric control system is provided with two wind direction detectors and a wind speed detector which are respectively used for monitoring the wind direction and the wind speed. The wind turbine electric control system is used for controlling the working states of the navigation mechanism, the variable pitch mechanism and the brake mechanism according to the wind direction detector and the wind speed detector.
In the above structure: each group of the variable-pitch mechanism comprises a variable-pitch driving motor 16, a variable-pitch driving gear 15 and a variable-pitch driven gear. The variable pitch driving motor is fixedly arranged on the outer side wall of the corresponding radial shaft sleeve, the variable pitch driving gear is fixedly arranged at the output end of the variable pitch driving motor, the variable pitch driven gear is integrally arranged on the corresponding fan blade connecting shaft, and the variable pitch driven gear is meshed with the variable pitch driving gear. The working principle of the variable pitch mechanism is as follows: the wind direction change is monitored in real time through 2 wind direction detectors, and a wind direction signal is transmitted to a wind turbine control system, the wind turbine control system controls the variable pitch motor to operate, the variable pitch motor drives the variable pitch driving gear to rotate, and the variable pitch driving gear drives the variable pitch driven gear to rotate. The variable-pitch driven gear is arranged on or connected to the fan blade connecting shaft, and drives the corresponding fan blade to rotate through the fan blade connecting shaft, so that the variable pitch of the fan blade is realized, and the fan blade is rotated to an angle which is optimally matched with the wind direction.
In the structure, the navigation mechanisms are symmetrically arranged in two groups, and each group of navigation mechanism comprises a navigation driving motor 11, a navigation driving gear 10 and a navigation driven gear. The navigation adjusting driving motor is fixedly installed on the outer side wall of the tower top plate, the navigation adjusting driving gear is fixedly installed at the output end of the navigation adjusting driving motor, and the navigation adjusting driven gear is integrally arranged on the outer ring of the main shaft supporting platform. The operating principle of the navigation mechanism is as follows: the change of the real-time supervision wind direction through 2 wind direction detectors gives wind energy system control system with wind direction signal transmission, and wind energy system control navigation motor rotates, and the navigation motor drives the rotation of navigation driving gear, and the rotation of navigation driving gear drive main shaft supporting platform realizes that the wind energy system navigates.
In the above structure, the brake mechanism includes two brake acting members 22, an electromagnetic pressing block 23, a return spring 24, and a brake fixing frame 25. The brake fixing frame is composed of a bottom and a vertical plate welded on the bottom, wherein the bottom plate is fixedly connected with the main shaft supporting platform. The electromagnetic press block is fixedly connected with the inner side of the vertical plate of the brake fixing frame, two insertion holes 23.1 which are arranged in parallel are formed in the front end of the electromagnetic press block, and the insertion holes are square stepped holes with large front parts and small rear parts. The two brake action pieces are both electromagnetic blocks, and the front ends of the electromagnetic blocks are provided with semicircular grooves 22.1 matched with the outer diameter of the horizontal main shaft. The rear ends of the two electromagnetic blocks are respectively inserted into the front end punching holes of the two insertion holes in a clearance fit mode. The rear end of each electromagnetic block is welded with a front hook, the front side of the edge of the vertical plate of the brake fixing frame is welded with a rear hook, and two reset springs are connected between the front hook and the rear hook. The working principle of the brake mechanism is as follows: the wind speed is monitored in real time through the wind speed detector, a wind speed signal is transmitted to the wind turbine control system, a wind speed threshold value is preset in the wind turbine control system, when the detected wind speed exceeds the preset wind speed threshold value, the two electromagnetic blocks are electrified, the two electromagnetic blocks move to the position attracted with the horizontal main shaft, and the braking of the rotary motion of the horizontal main shaft is realized. When the wind speed is reduced to be lower than a preset threshold value, the two electromagnetic blocks are powered off, and under the action of the tensile force of the return spring, the two electromagnetic blocks move outwards and fall off and contact with the horizontal main shaft, so that the braking on the horizontal main shaft is released, and the wind driven generator is restored to a normal tool state. In the braking process, pitch control needs to be carried out synchronously, so that the fan blades rotate to the position with the minimum wind resistance, and the damage to the fan blades is reduced to the maximum extent. In the above structure: the horizontal main shaft is preferably formed by connecting two shaft sections through a flange, wherein the shaft section positioned at the front end is inserted into a shaft hole arranged in the center of the rear end of the hub and is coaxially welded and connected with the hub. The horizontal main shaft structure and the connection mode of the horizontal main shaft structure and the hub have the advantages of reliable connection and convenience in installation.
In the above structure: the multistage speed increasing mechanism adopts a gear-meshing transmission type two-stage speed increasing structure, specifically comprises a horizontal main shaft, a first-stage transmission shaft 17 and a second-stage transmission shaft 18 which are horizontally arranged, a gear wheel on the horizontal main shaft is in meshing transmission with a pinion on the first-stage transmission shaft to realize first-stage speed increasing, a gear wheel on the first-stage transmission shaft is in meshing transmission with a pinion on the second-stage transmission shaft to realize second-stage speed increasing, and finally high-speed rotation of the second-stage transmission shaft is realized. The secondary transmission shaft is connected with a generator to realize the power generation function.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit of the utility model and the scope of the appended claims, and therefore the scope of the utility model is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims (6)

1. A horizontal axis wind turbine, characterized by: the wind power generation device comprises a tower, a main shaft supporting platform, a horizontal main shaft, a hub, three blades, a pitch control mechanism, a navigation mechanism, a multi-stage speed increasing mechanism, a generator, a brake mechanism, a wind direction detector, a wind speed detector and a wind turbine electric control system;
a tower top plate is coaxially and fixedly arranged at the top of the tower, and a bearing hole is formed in the center of the tower top plate; the lower end of the main shaft supporting platform is coaxially fixed with a vertical connecting shaft, and the lower end part of the vertical connecting shaft is connected with a bearing arranged in a bearing hole, so that the main shaft supporting platform and a tower frame top plate can be in rotatable fit along the Z-axis direction; supporting screws which are contacted with the lower end of the main shaft supporting platform are uniformly distributed and connected on the upper end part of the tower frame top plate at the periphery of the bearing hole; the navigation mechanism is arranged on the outer side of the tower frame top plate and is in driving fit with the main shaft supporting platform;
the horizontal main shaft is rotatably supported above the main shaft supporting platform along the axis of the horizontal main shaft through a plurality of shaft supporting seats, and the front end part of the horizontal main shaft is coaxially and fixedly connected with the hub; three radial shaft sleeves are uniformly welded on the hub along the circumferential direction, fan blade connecting shafts extending outwards are inserted in each radial shaft sleeve in a clearance fit manner, and shaft stoppers for axially limiting the fan blade connecting shafts are fixed at the outer ends of the radial shaft sleeves; the outer ends of the three fan blade connecting shafts are respectively fixedly connected with the inner ends of the three blades through flanges; a group of variable-pitch mechanisms are correspondingly arranged outside each radial shaft sleeve and are in driving connection with corresponding fan blade connecting shafts;
the brake mechanism is arranged at the upper end of the main shaft supporting platform and adopts an electromagnetic brake mechanism; under the condition that the wind speed monitored by the wind speed detector is lower than the set wind speed of the system, a brake acting element of the brake mechanism is separated from the horizontal main shaft; under the condition that the wind speed monitored by the wind speed detector tends to or is higher than the set wind speed of the system, a brake action piece of the brake mechanism is in suction contact with the horizontal main shaft;
the horizontal main shaft is connected with a generator through a multi-stage speed-up mechanism, and the multi-stage speed-up mechanism and the generator are both arranged on a main shaft supporting platform; the wind turbine electric control system is arranged above the shaft support platform, and the upper end of an outer control box of the wind turbine electric control system is provided with two wind direction detectors and one wind speed detector; the wind turbine electric control system is used for controlling the working states of the navigation mechanism, the variable pitch mechanism and the brake mechanism according to the wind direction detector and the wind speed detector.
2. The horizontal axis wind generator of claim 1, wherein: each group of variable-pitch mechanisms comprises a variable-pitch driving motor, a variable-pitch driving gear and a variable-pitch driven gear; the variable pitch driving motor is fixedly arranged on the outer side wall of the corresponding radial shaft sleeve, the variable pitch driving gear is fixedly arranged at the output end of the variable pitch driving motor, the variable pitch driven gear is integrally arranged on the corresponding fan blade connecting shaft, and the variable pitch driven gear is meshed with the variable pitch driving gear.
3. The horizontal axis wind generator of claim 1, wherein: the navigation adjusting mechanisms are symmetrically arranged in two groups, and each group of navigation adjusting mechanisms comprises a navigation adjusting driving motor, a navigation adjusting driving gear and a navigation adjusting driven gear; the navigation adjusting driving motor is fixedly installed on the outer side wall of the tower top plate, the navigation adjusting driving gear is fixedly installed at the output end of the navigation adjusting driving motor, and the navigation adjusting driven gear is integrally arranged on the outer ring of the main shaft supporting platform.
4. The horizontal axis wind generator of claim 1, wherein: the brake mechanism comprises two brake acting pieces, an electromagnetic pressing block, a return spring and a brake fixing frame; the brake fixing frame is fixedly connected with the main shaft supporting platform, the electromagnetic pressing block is fixedly connected with the brake fixing frame, and two insertion holes which are arranged in parallel are formed in the front end of the electromagnetic pressing block; the two brake acting pieces are both electromagnetic blocks, and the front ends of the electromagnetic blocks are provided with semicircular grooves matched with the outer diameter of the horizontal main shaft; the rear ends of the two electromagnetic blocks are respectively inserted into the two insertion holes in a clearance fit mode, and two return springs are connected between the rear end of each electromagnetic block and the edge of the vertical plate of the brake fixing frame.
5. The horizontal axis wind generator of claim 1, wherein: the horizontal main shaft is formed by connecting two shaft sections through a flange, wherein the shaft section positioned at the front end is coaxially welded and connected with the hub.
6. The horizontal axis wind generator of claim 1, wherein: the multi-stage speed increasing mechanism adopts a gear engagement transmission type two-stage speed increasing structure.
CN202122343398.7U 2021-09-27 2021-09-27 Horizontal shaft wind driven generator Active CN216198653U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122343398.7U CN216198653U (en) 2021-09-27 2021-09-27 Horizontal shaft wind driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122343398.7U CN216198653U (en) 2021-09-27 2021-09-27 Horizontal shaft wind driven generator

Publications (1)

Publication Number Publication Date
CN216198653U true CN216198653U (en) 2022-04-05

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ID=80925051

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122343398.7U Active CN216198653U (en) 2021-09-27 2021-09-27 Horizontal shaft wind driven generator

Country Status (1)

Country Link
CN (1) CN216198653U (en)

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