CN214838006U - Soft braking device of wind driven generator - Google Patents
Soft braking device of wind driven generator Download PDFInfo
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- CN214838006U CN214838006U CN202023091791.3U CN202023091791U CN214838006U CN 214838006 U CN214838006 U CN 214838006U CN 202023091791 U CN202023091791 U CN 202023091791U CN 214838006 U CN214838006 U CN 214838006U
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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
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Abstract
The utility model discloses a aerogenerator's soft arresting gear, including the device shell, a connecting axle for the blade of electricity generation and installation blade, the connecting axle rotates through sealed bearing with the device shell link and is connected, the fixed cover of connecting axle inboard end is equipped with the friction ball, the device casing inner chamber activity is provided with the friction hoop of butt joint friction ball, and the device casing internal fixation is provided with the hydraulic push rod that the friction hoop was connected to the power end, the fixed cover in the outside of connecting axle is equipped with first clutch blocks, second clutch blocks, device shell inner chamber longitudinal symmetry is provided with the mounting panel, and the mounting panel butt joint face is provided with first brake blocks respectively, the second brake blocks. The utility model discloses overall structure sets up simply, and its whole adoption is in proper order the braking mode that steps up carries out the flow scheme of gradual deceleration braking more reasonable, has reached the effect of soft braking among the practical process promptly to still avoid emergency braking and the structural wear who produces, its practical effect is better, is worth having the market now and uses widely.
Description
Technical Field
The utility model relates to a wind power generation field specifically is a aerogenerator's soft arresting gear.
Background
With the popularization and deepening of the sustainable development concept in recent years in China, China pays very attention to the development of the new energy field. In the development of new energy field in China, solar panels and wind energy are the main development direction of new energy. The utility model discloses a soft braking device of aerogenerator, at present, chinese patent with application number CN201921822549.3 discloses a soft braking device of aerogenerator, including the base, the top fixedly connected with stand of base, the top fixedly connected with device shell of stand, fixedly connected with generator on the inner wall of device shell, fixedly connected with axis of rotation on the output shaft of generator, the one end of axis of rotation runs through the inner wall of device shell and outwards extends, a plurality of flabellums of one end fixedly connected with that the axis of rotation extends, two electric putter that fixedly connected with symmetry set up in the device shell, electric putter's one end fixedly connected with brake block, the inner wall of brake block and device shell is through a plurality of damping bumper shock absorber fixed connection.
However, the existing soft braking device of the wind driven generator still has the following technical defects: the braking effect on the wind driven generator is poor, and when the rotating speed of the fan blades is too high under the influence of wind force, the existing braking device is difficult to effectively brake the fan blades to achieve the state of slowly reducing the rotating speed. Therefore, in order to satisfy the above-mentioned user demand, the utility model designs a aerogenerator's soft arresting gear solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a aerogenerator's soft arresting gear solves the current arresting gear that proposes in the above-mentioned background art as far as possible and is difficult to effectively make the flabellum brake the problem that reaches slow underspin state.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a aerogenerator's soft arresting gear, includes the device shell, is used for the blade of electricity generation and installs the connecting axle of blade, and the connecting axle rotates through sealed bearing with the device shell link and is connected, and the connecting axle outside end carries out fixed mounting to the blade through the mount pad, the fixed cover of connecting axle inboard side is equipped with the friction ball, the activity of device shell inner chamber is provided with the friction hoop of butt joint friction ball, and the device shell internal fixation is provided with the hydraulic push rod that the friction hoop was connected to the power end, the fixed cover in the outside of connecting axle is equipped with first clutch blocks, second clutch blocks, device shell inner chamber longitudinal symmetry is provided with the mounting panel, and the mounting panel butt joint face is provided with first brake blocks, second brake blocks respectively.
Preferably, the device shell inner chamber rotates and is provided with screw rod, slide bar, and the mounting panel that longitudinal symmetry set up is run through in the equal activity of screw rod, slide bar, the screw rod outer wall is provided with opposite direction's screw thread, and the screw rod respectively with upper and lower two sets of mounting panel threaded connection through outside opposite direction's screw thread, the fixed motor that is provided with power end fixed connection screw rod in the device shell outside.
Preferably, first brake pad and first clutch blocks butt joint cooperation, first brake pad medial extremity is provided with the rubber clamp that the first clutch blocks surface of butt joint, and the rubber clamp passes through telescopic link and first brake pads fixed connection, the telescopic link adopts spring telescopic link structure.
Preferably, the butt joint surface of the friction ball and the friction hoop and the butt joint surface of the rubber hoop and the first friction block are made of rubber materials.
Preferably, the second brake block is in butt fit with the second friction block, and the butt surfaces of the second brake block and the second friction block are made of ceramic materials.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses based on current aerogenerator structural design and improve, install two sets of clutch blocks and friction ball respectively in the outside and the medial extremity of blade installation pivoted connecting axle, brake block and the friction hoop of cooperation clutch block and friction ball outside butt joint brake in proper order and realize carrying out the braking of slowing down to the connecting axle of blade installation, specifically the clutch block through the rubber material that steps up in proper order, brake block elastic contact carries out the initial speed reduction, and the friction ball of rubber material, the further speed reduction of friction hoop contact advancing, utilize the clutch block of ceramic material at last, brake block degree of depth contact friction carries out degree of depth and slows down the braking of accomplishing the connecting axle to wind-force blade. To sum up, the utility model discloses overall structure sets up simply, and its whole adoption is in proper order the braking mode that steps up carries out the flow scheme of gradual deceleration braking more reasonable, has reached the effect of soft braking among the practical process promptly to still avoid emergency braking and the structural wear that produces, its practical effect is better, is worth having the market now and uses widely.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description 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 these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the mounting plate structure of FIG. 1 according to the present invention;
fig. 3 is a schematic side view of the first brake block structure of fig. 1 according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-device shell, 101-screw rod, 102-sliding rod, 103-motor, 2-blade, 3-connecting shaft, 4-sealing bearing, 5-mounting seat, 6-friction ball, 7-friction hoop, 8-hydraulic push rod, 9-first friction block, 10-second friction block, 11-mounting plate, 12-first brake block, 1201-telescopic rod, 1202-rubber hoop and 13-second brake block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a soft braking device of a wind power generator includes a device housing 1, a blade 2 for generating power and a connecting shaft 3 for mounting the blade 2, the connecting shaft 3 is rotatably connected with the connecting end of the device housing 1 through a sealing bearing 4, the outer end of the connecting shaft 3 fixedly mounts the blade 2 through a mounting seat 5, a friction ball 6 is fixedly sleeved at the inner end of the connecting shaft 3, a friction hoop 7 for abutting against the friction ball 6 is movably disposed in the inner cavity of the device housing 1, a hydraulic push rod 8 with a power end connected with the friction hoop 7 is fixedly disposed in the device housing 1, a first friction block 9 and a second friction block 10 are fixedly sleeved at the outer end of the connecting shaft 3, mounting plates 11 are symmetrically disposed at the upper and lower sides of the inner cavity of the device housing 1, and the abutting surfaces of the mounting plates 11 are respectively provided with a first brake block 12 and a second brake block 13.
Furthermore, a screw 101 and a slide rod 102 are rotatably arranged in the inner cavity of the device shell 1, the screw 101 and the slide rod 102 both movably penetrate through the mounting plates 11 which are symmetrically arranged up and down, threads with opposite directions are arranged on the outer wall of the screw 101, the screw 101 is respectively in threaded connection with the upper and lower mounting plates 11 through the threads with opposite outer sides, and a motor 103 with a power end fixedly connected with the screw 101 is fixedly arranged on the outer side of the device shell 1. The motor 103 starts the screw 101 at the power end to rotate, and the threads on the outer side of the screw 101 in opposite directions respectively drive the two sets of mounting plates 11 to move towards each other along the sliding rod 102.
Furthermore, the first brake block 12 is in butt fit with the first friction block 9, a rubber band 1202 abutting against the surface of the first friction block 9 is arranged at the inner side end of the first brake block 12, the rubber band 1202 is fixedly connected with the first brake block 12 through a telescopic rod 1201, the telescopic rod 1201 is of a spring telescopic rod structure, and the abutting surface of the friction ball 6 and the friction band 7 and the abutting surface of the rubber band 1202 and the first friction block 9 are both made of rubber materials. The rubber hoop 1202 on the inner side of the first brake block 12 on the inner side surface of the mounting plate 11 touches the surface of the first friction block 9 under the elastic acting force of the telescopic rod 1201 of the spring, and due to the instability of the telescopic rod 1201 of the spring structure, only a slow braking effect is achieved when braking is carried out in the moving process of the mounting plate 11
Furthermore, the second brake block 13 is in butt fit with the second friction block 10, and the butt surfaces of the second brake block 13 and the second friction block 10 are made of ceramic materials. The ceramic friction surface on the inner side surface of the second brake block 13 on the inner side surface of the mounting plate 11 is in butt joint with the surface of the second friction block 10 for tightening braking until the connecting shaft 3 is completely stopped.
The specific application of the embodiment is as follows:
the utility model discloses during the use, divide three steps to carry out braking in proper order to current generator connecting axle 3 altogether. Firstly, the motor 103 starts the screw 101 at the power end to rotate, and the opposite threads on the outer side of the screw 101 drive the two sets of mounting plates 11 to move towards each other along the sliding rod 102. During the movement, the rubber clamp 1202 on the inner side of the first brake block 12 on the inner side surface of the mounting plate 11 touches the surface of the first friction block 9 under the elastic force of the telescopic rod 1201 of the spring, and because of the instability of the telescopic rod 1201 of the spring structure, only a slow braking effect is achieved when braking is performed during the movement of the mounting plate 11. At this time, the friction hoop 7 at the power end driven by the hydraulic push rod 8 is in butt joint with the friction ball 6 at the inner side end of the connecting shaft 3 for further braking, and the friction ball 6 made of rubber is gradually extruded along with the pushing of the hydraulic push rod 8, so that the speed reduction effect is obvious at this time. After the speed of the connecting shaft 3 is obviously reduced, the mounting plate 11 continues to move under the driving of the motor 103, and the ceramic friction surface on the inner side surface of the second brake block 13 on the inner side surface of the mounting plate 11 is in butt joint with the surface of the second friction block 10 to perform tightening braking until the connecting shaft 3 completely stops, thereby completing the whole set of braking process.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a aerogenerator's soft arresting gear, includes device shell (1), is used for blade (2) of electricity generation and connecting axle (3) of installation blade (2), and connecting axle (3) are connected through sealed bearing (4) rotation with device shell (1) link, and connecting axle (3) outside end carries out fixed mounting, its characterized in that through mount pad (5) to blade (2): the fixed cover in connecting axle (3) inboard end is equipped with friction ball (6), device shell (1) inner chamber activity is provided with friction hoop (7) of butt joint friction ball (6), and device shell (1) internal fixation is provided with hydraulic push rod (8) that the power end connects friction hoop (7), the fixed cover in the outside of connecting axle (3) is equipped with first clutch blocks (9), second clutch blocks (10), device shell (1) inner chamber longitudinal symmetry is provided with mounting panel (11), and mounting panel (11) butt joint face is provided with first brake blocks (12), second brake blocks (13) respectively.
2. The soft brake device of a wind power generator according to claim 1, wherein: the device shell (1) inner chamber rotates and is provided with screw rod (101), slide bar (102), and mounting panel (11) that longitudinal symmetry set up is run through in the equal activity of screw rod (101), slide bar (102), screw rod (101) outer wall is provided with opposite direction's screw thread, and screw rod (101) through outside opposite direction's screw thread respectively with upper and lower two sets of mounting panel (11) threaded connection, motor (103) that the fixed connection screw rod (101) of power end was provided with in the device shell (1) outside.
3. The soft brake device of a wind power generator according to claim 1, wherein: the first brake block (12) is in butt joint fit with the first friction block (9), a rubber hoop (1202) which is in butt joint with the surface of the first friction block (9) is arranged at the inner side end of the first brake block (12), the rubber hoop (1202) is fixedly connected with the first brake block (12) through a telescopic rod (1201), and the telescopic rod (1201) is of a spring telescopic rod structure.
4. A soft brake device of a wind power generator according to claim 3, wherein: the butt joint surface of the friction ball (6) and the friction hoop (7) and the butt joint surface of the rubber hoop (1202) and the first friction block (9) are made of rubber materials.
5. The soft brake device of a wind power generator according to claim 1, wherein: the second brake block (13) is in butt joint fit with the second friction block (10), and the butt joint surfaces of the second brake block (13) and the second friction block (10) are made of ceramic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023091791.3U CN214838006U (en) | 2020-12-21 | 2020-12-21 | Soft braking device of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023091791.3U CN214838006U (en) | 2020-12-21 | 2020-12-21 | Soft braking device of wind driven generator |
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| Publication Number | Publication Date |
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| CN214838006U true CN214838006U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023091791.3U Active CN214838006U (en) | 2020-12-21 | 2020-12-21 | Soft braking device of wind driven generator |
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| CN (1) | CN214838006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876700A (en) * | 2022-06-13 | 2022-08-09 | 大唐雅安电力开发有限公司 | Water turbine maintenance sealing method and device based on air sealing |
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2020
- 2020-12-21 CN CN202023091791.3U patent/CN214838006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876700A (en) * | 2022-06-13 | 2022-08-09 | 大唐雅安电力开发有限公司 | Water turbine maintenance sealing method and device based on air sealing |
| CN114876700B (en) * | 2022-06-13 | 2024-02-13 | 大唐雅安电力开发有限公司 | Water turbine maintenance sealing method based on air sealing |
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