CN216272789U - Auxiliary lifting device for solar photovoltaic panel - Google Patents
Auxiliary lifting device for solar photovoltaic panel Download PDFInfo
- Publication number
- CN216272789U CN216272789U CN202122757558.2U CN202122757558U CN216272789U CN 216272789 U CN216272789 U CN 216272789U CN 202122757558 U CN202122757558 U CN 202122757558U CN 216272789 U CN216272789 U CN 216272789U
- Authority
- CN
- China
- Prior art keywords
- photovoltaic panel
- solar photovoltaic
- lifting device
- sets
- auxiliary lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses an auxiliary lifting device for a solar photovoltaic panel, and relates to the technical field of hoisting tools. According to the utility model, the photovoltaic panel is clamped and fixed through the clamp, then the height of the photovoltaic panel is adjusted once through the electric telescopic rod when the photovoltaic panel is lifted, then the photovoltaic panel rotates for 360 degrees without dead angles through the swing mechanism to realize horizontal position adjustment, and finally the flexible steel rope is driven by the winch to operate to perform secondary height adjustment, so that the lifting effect of the photovoltaic panel is achieved, the modular design is realized, the manufacturing, the transportation and the use can be facilitated, the capability of safe, stable and rapid lifting is realized, and the lifting and mounting efficiency of the photovoltaic panel is improved.
Description
Technical Field
The utility model relates to the technical field of hoisting tools, in particular to an auxiliary lifting device for a solar photovoltaic panel.
Background
The hoisting device is a main tool for hoisting equipment and materials on a construction site, and is popular among construction units because the hoisting device is convenient and efficient and can conveniently enter various fields.
The photovoltaic board installation in solar electric system construction process is mostly in the manual work as leading, because the photovoltaic board has certain weight, needs two to three people cooperation to install in the installation, and this process installation is consuming time, and is simultaneously inefficient, and the cost of labor is high and easily causes the loss of raw and other materials. And few of the existing hoisting devices are dedicated to lifting and mounting of the photovoltaic panel completely. The development special appliance has small use and application range and different technical requirements, and cannot be popularized on a large scale, and the modification or temporary manufacture has the defects of potential safety hazard, time and labor waste, long installation time, incapability of batch production and the like. Therefore, the auxiliary lifting device for the solar photovoltaic panel is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art, and provides an auxiliary lifting device for a solar photovoltaic panel, which realizes modular design, is convenient to manufacture, transport and use, has the capability of safely, stably and quickly lifting, and improves the lifting and mounting efficiency of the photovoltaic panel.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
the utility model provides a solar photovoltaic board auxiliary lifting device, is including supporting the base, the top of supporting the base is provided with electric telescopic handle, electric telescopic handle and support are provided with rotation mechanism between the base, electric telescopic handle's the flexible end of top power has the cantilever admittedly connected, be provided with on the cantilever and pull elevating system, the below right side of cantilever is provided with anchor clamps.
Preferably, the slewing mechanism comprises a driving motor, a main bevel gear, a supporting plate, a supporting shaft, a concave supporting ring, a convex supporting ring and a ring bevel gear, wherein the bottom end of the supporting shaft is fixedly connected with the supporting base, the top end of the supporting shaft is rotatably connected with the supporting plate, the ring bevel gear is fixedly connected to the outer wall of the supporting plate, the driving motor is installed on the supporting base, the main bevel gear is arranged at the power output end of the driving motor, the main bevel gear is meshed with the ring bevel gear, and the bottom of the electric telescopic rod is fixedly installed in the middle of the top of the supporting plate.
Based on the technical characteristics, the electric telescopic rod is convenient to drive to rotate through the slewing mechanism.
Preferably, the concave support ring is fixedly installed at the bottoms of the support plate and the ring bevel gear, the bottom of the convex support ring is fixedly connected with the support base, and the top of the convex support ring extends into an inner cavity of the concave support ring and is in sliding connection with the concave support ring.
Based on the technical characteristics, when the electric telescopic rod is driven to rotate, the concave supporting ring rotates on the convex supporting ring, and then the supporting plate is supported in an auxiliary mode through the convex supporting ring and the concave supporting ring.
Preferably, the traction lifting mechanism comprises an electric control box, a winch, a soft steel rope and four groups of fixed pulleys, a group of fixed pulleys is respectively arranged on the left side and the right side of the top of the cantilever, the electric control box is fixedly arranged on the supporting plate and is positioned beside the electric telescopic rod, the winch is positioned in the electric control box, one end of the soft steel rope sequentially bypasses the four groups of fixed pulleys from left to right to be connected with the clamp, and the other end of the soft steel rope movably extends into an inner cavity of the electric control box to be connected with the winding end of the winch.
Based on the technical characteristics, the winding and unwinding of the soft steel ropes guided by the four groups of fixed pulleys are facilitated through the work of the winch.
Preferably, the right end of the top of the cantilever is provided with a limiting through hole matched with the right fixed pulley.
Based on the technical characteristics, the soft steel rope is guided and limited when being lifted or descended on the right fixed pulley, so that the stability and the safety of the lifting or descending process are improved.
Preferably, anchor clamps include two sets of loading boards, two sets of cylinders, two sets of slats and two sets of holders, and are two sets of the left and right sides of cylinder difference fixed mounting between two sets of loading boards, two sets of slats correspond looks rigid coupling with the power flexible end of two sets of cylinders respectively, and are two sets of the equal rigid coupling in a lateral wall bottom that the slat is pressed close to each other has the holder.
Based on the technical characteristics, the solar photovoltaic panel is convenient to clamp and fix.
Preferably, the left end and the right end of the bearing plate are provided with guide grooves matched with the battens.
Based on above-mentioned technical characteristics, when two sets of slats of flexible drive of two sets of cylinders were kept away from or were close to each other, lead and spacing the slat on the loading board through the guide way, stability when improving the removal.
Preferably, the inner cavity walls of the two groups of clamping seats are provided with anti-slip teeth.
Based on the technical characteristics, when the solar photovoltaic panel is clamped and fixed, the frictional resistance between the clamping seat and the solar photovoltaic panel is improved, and the anti-skidding effect is achieved on the solar photovoltaic panel.
Preferably, the bottom of the supporting base is provided with a universal wheel with a brake.
Based on the technical characteristics, the whole device is convenient to move on the ground.
Compared with the prior art, the utility model has the following beneficial effects:
through anchor clamps, the fixed pulley, electric telescopic handle, rotation mechanism, hoist engine cooperation motion, it is fixed to carry out the centre gripping to the photovoltaic board earlier through anchor clamps, then when the photovoltaic board promoted, carry out height control once through electric telescopic handle, then carry out 360 no dead angles rotations through rotation mechanism, realize horizontal position adjustment, drive the operation of soft steel cable through the hoist engine at last and carry out secondary height control, thereby reach the effect that the photovoltaic board promoted, realize the modularized design, can conveniently make transportation and use, possess the ability that the safety and stability promoted fast, improve the photovoltaic board and promote the installation effectiveness.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
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 the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a use state of the present invention;
FIG. 2 is a schematic structural view of the traction lift mechanism of the present invention;
FIG. 3 is a schematic structural diagram of the slewing mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the clamp of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-supporting base, 101-universal wheel, 2-traction lifting mechanism, 201-electrical control box, 202-winch, 203-fixed pulley, 204-soft steel rope, 3-slewing mechanism, 301-driving motor, 302-main bevel gear, 303-supporting plate, 304-supporting shaft, 305-concave supporting ring, 306-convex supporting ring, 307-ring bevel gear, 4-electric telescopic rod, 5-cantilever, 501-limiting through hole, 6-clamp, 601-ribbon board, 602-clamping seat, 603-cylinder, 604-bearing board, 605-guide groove.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a solar photovoltaic board auxiliary lifting device, including supporting base 1, the bottom of supporting base 1 is provided with universal wheel 101 of area brake, be convenient for to the removal of whole device subaerial, the top of supporting base 1 is provided with electric telescopic handle 4, electric telescopic handle 4 is the highest extensible 4m, satisfy the construction requirement, be provided with rotation mechanism 3 between electric telescopic handle 4 and the support base 1, electric telescopic handle 4's top power flexible end rigid coupling has cantilever 5, cantilever 5 adopts 73 × 53 × 5mm rectangle side pipe, be provided with on the cantilever 5 and pull elevating system 2, the below right side of cantilever 5 is provided with anchor clamps 6 (refer to figure 1 in the description attached drawing).
The swing mechanism 3 comprises a driving motor 301, a main bevel gear 302, a supporting plate 303, a supporting shaft 304, a concave supporting ring 305, a convex supporting ring 306 and a ring bevel gear 307, the bottom end of the supporting shaft 304 is fixedly connected with the supporting base 1, the top end of the supporting shaft 304 is rotatably connected with the supporting plate 303, the ring bevel gear 307 is fixedly connected with the outer wall of the supporting plate 303, the driving motor 301 is installed on the supporting base 1, the main bevel gear 302 is arranged on the power output end of the driving motor 301, the main bevel gear 302 is meshed with the ring bevel gear 307, the bottom of the electric telescopic rod 4 is fixedly installed in the middle of the top of the supporting plate 303, the electric telescopic rod 4 is conveniently driven to rotate by the swing mechanism 3, the concave supporting ring 305 is fixedly installed at the bottoms of the supporting plate 303 and the ring bevel gear 307, the bottom of the convex supporting ring 306 is fixedly connected with the supporting base 1, the top of the convex supporting ring 306 extends into the inner cavity of the concave supporting ring 305 to be slidably connected with the concave supporting ring 305, when the electric telescopic rod 4 is driven to rotate, the concave supporting ring 305 rotates on the convex supporting ring 306, and the convex supporting ring 306 and the concave supporting ring 305 together support the supporting plate 303 in an auxiliary manner (refer to fig. 3 in the attached drawings of the specification).
The traction lifting mechanism 2 comprises an electric control box 201, a windlass 202, a soft steel rope 204 and four groups of fixed pulleys 203, in the aspect of safety, the windlass 202 is powered off and automatically braked, overload automatic parking in the air is realized, safety is ensured, various hidden dangers are rejected, the left side, the right side and the left side of the top of the cantilever 5 are respectively provided with one group of fixed pulleys 203, the electric control box 201 is fixedly arranged on a support plate 303, the electric control box 201 is positioned at the side of the electric telescopic rod 4, the windlass 202 is positioned in the electric control box 201, one end of the soft steel rope 204 sequentially bypasses the four groups of fixed pulleys 203 from left to right to be connected with a clamp 6, the other end of the soft steel rope 204 movably extends into an inner cavity of the electric control box 201 to be connected with a winding end of the windlass 202, the soft steel rope 204 guided by the four groups of fixed pulleys 203 is conveniently wound and unwound through the work of the windlass 202, the right end of the top of the cantilever 5 is provided with a limiting through hole 501 matched with the right fixed pulley 203, the soft steel rope 204 is guided and limited when being lifted or lowered on the right fixed pulley 203, so that the stability and the safety of the lifting or lowering process are improved (refer to fig. 2 in the attached drawing of the specification).
The clamp 6 comprises two groups of bearing plates 604, two groups of cylinders 603, two groups of slats 601 and two groups of clamping seats 602, wherein the two groups of cylinders 603 are respectively and fixedly arranged at the left side and the right side between the two groups of bearing plates 604, the two groups of slats 601 are respectively and fixedly connected with the power telescopic ends of the two groups of cylinders 603, the clamping seats 602 are fixedly connected at the bottom ends of the mutually close side walls of the two groups of slats 601 for clamping and fixing the solar photovoltaic panels, the left end and the right end of the bearing plates 604 are both provided with guide grooves 605 matched with the slats 601, when the two sets of cylinders 603 drive the two sets of slats 601 to move away from or close to each other, the slats 601 are guided and limited on the bearing plate 604 through the guide slots 605, so as to improve the stability during movement, the inner cavity walls of the two sets of clamping seats 602 are provided with anti-slip teeth, when the solar photovoltaic panel is clamped and fixed, the frictional resistance between the clamp seat 602 and the solar photovoltaic panel is improved, and the solar photovoltaic panel is prevented from slipping (see fig. 4 in the attached drawing of the specification).
The working principle is as follows:
the whole device moves on the ground through the universal wheel 101 with the brake, after the device moves to a working area, the two groups of clamping seats 602 are placed on two sides of the photovoltaic panel, the two groups of battens 601 are driven to be close to each other through contraction of the two groups of cylinders 603, the two groups of clamping seats 602 are further driven to be close to each other, clamping and fixing of the photovoltaic panel by the clamp 6 are achieved, and then the device is integrally simplified into three modules through a modular design to work for lifting the photovoltaic panel;
the first module works: the height of the clamped and fixed photovoltaic panel is adjusted once by extending the electric telescopic rod 4 upwards; the second module works: then, the driving motor 301 drives the main bevel gear 302 to rotate, and the main bevel gear 302 and the ring bevel gear 307 are in meshing transmission to drive the supporting plate 303 to rotate on the supporting shaft 304, so that 360-degree rotation without a dead angle is performed, and the horizontal position adjustment is realized; the third module works: at last, the winch 202 drives the soft steel rope 204 to operate, so that the soft steel rope is guided by the four groups of fixed pulleys 203 to move and be contracted, secondary height adjustment is carried out, the effect of lifting the photovoltaic panel is achieved, modular design is achieved, manufacturing, transportation and use can be facilitated, the capability of safety, stability and quick lifting is achieved, and the lifting and mounting efficiency of the photovoltaic panel is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 utility model. 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 utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model 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 utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a solar photovoltaic board auxiliary lifting device, includes support base (1), its characterized in that: the top of supporting base (1) is provided with electric telescopic handle (4), be provided with rotation mechanism (3) between electric telescopic handle (4) and the support base (1), the flexible end of top power of electric telescopic handle (4) has fixedly connected cantilever (5), be provided with on cantilever (5) and pull elevating system (2), the below right side of cantilever (5) is provided with anchor clamps (6).
2. The solar photovoltaic panel auxiliary lifting device of claim 1, wherein: rotation mechanism (3) include driving motor (301), main bevel gear (302), backup pad (303), back shaft (304), concave support ring (305), protruding support ring (306), ring bevel gear (307), the bottom of back shaft (304) with support base (1) looks rigid coupling, the top and backup pad (303) of back shaft (304) rotate and are connected, ring bevel gear (307) rigid coupling is at the outer wall of backup pad (303), driving motor (301) are installed on supporting base (1), main bevel gear (302) set up on driving motor (301)'s power take off, main bevel gear (302) meshes with ring bevel gear (307) mutually, the bottom fixed mounting of electric telescopic handle (4) is in the middle of the top of backup pad (303).
3. The solar photovoltaic panel auxiliary lifting device of claim 2, wherein: concave support ring (305) fixed mounting is in the bottom of backup pad (303) and ring bevel gear (307), the bottom and the support base (1) looks rigid coupling of protruding support ring (306), the inner chamber and the concave support ring (305) sliding connection of protruding support ring (306) top stretching into concave support ring (305).
4. The solar photovoltaic panel auxiliary lifting device of claim 1, wherein: traction elevating system (2) include electric control box (201), hoist engine (202), soft steel cable (204) and four groups of fixed pulley (203), the top left and right sides and the left and right sides both ends of cantilever (5) respectively set up a set of fixed pulley (203), electric control box (201) fixed mounting is on backup pad (303), and electric control box (201) are located the side of electric telescopic handle (4), hoist engine (202) are arranged in electric control box (201), the one end of soft steel cable (204) is walked around four groups of fixed pulley (203) from left to right in proper order and is connected with anchor clamps (6), the other end activity of soft steel cable (204) is stretched into the inner chamber of electric control box (201) and is connected with the coiling end of hoist engine (202).
5. The solar photovoltaic panel auxiliary lifting device of claim 1, wherein: the right end of the top of the cantilever (5) is provided with a right fixed pulley (501) matched with the right fixed pulley (203).
6. The solar photovoltaic panel auxiliary lifting device of claim 1, wherein: anchor clamps (6) are including two sets of loading boards (604), two sets of cylinders (603), two sets of laths (601) and two sets of holder (602), and are two sets of cylinder (603) left and right sides between two sets of loading boards (604) fixed mounting respectively, two sets of laths (601) correspond looks rigid coupling with the power flexible end of two sets of cylinders (603) respectively, and are two sets of the equal rigid coupling in a lateral wall bottom that laths (601) are pressed close to each other has holder (602).
7. The solar photovoltaic panel auxiliary lifting device of claim 6, wherein: the left end and the right end of the bearing plate (604) are both provided with guide grooves (605) matched with the battens (601).
8. The solar photovoltaic panel auxiliary lifting device of claim 6, wherein: and anti-skidding teeth are arranged on the inner cavity walls of the two groups of clamping seats (602).
9. The solar photovoltaic panel auxiliary lifting device of claim 1, wherein: the bottom of the supporting base (1) is provided with a universal wheel (101) with a brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122757558.2U CN216272789U (en) | 2021-11-11 | 2021-11-11 | Auxiliary lifting device for solar photovoltaic panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122757558.2U CN216272789U (en) | 2021-11-11 | 2021-11-11 | Auxiliary lifting device for solar photovoltaic panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216272789U true CN216272789U (en) | 2022-04-12 |
Family
ID=81008207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122757558.2U Active CN216272789U (en) | 2021-11-11 | 2021-11-11 | Auxiliary lifting device for solar photovoltaic panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216272789U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114890328A (en) * | 2022-05-12 | 2022-08-12 | 广西成电智能制造产业技术有限责任公司 | An electric lift hoist |
| CN115010008A (en) * | 2022-08-09 | 2022-09-06 | 山西省安装集团股份有限公司 | Hoisting device for boiler installation |
| CN116495612A (en) * | 2023-06-25 | 2023-07-28 | 山西省安装集团股份有限公司 | Hoisting device for laying concrete sewage pipes |
-
2021
- 2021-11-11 CN CN202122757558.2U patent/CN216272789U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114890328A (en) * | 2022-05-12 | 2022-08-12 | 广西成电智能制造产业技术有限责任公司 | An electric lift hoist |
| CN115010008A (en) * | 2022-08-09 | 2022-09-06 | 山西省安装集团股份有限公司 | Hoisting device for boiler installation |
| CN115010008B (en) * | 2022-08-09 | 2022-10-21 | 山西省安装集团股份有限公司 | Hoisting device for boiler installation |
| CN116495612A (en) * | 2023-06-25 | 2023-07-28 | 山西省安装集团股份有限公司 | Hoisting device for laying concrete sewage pipes |
| CN116495612B (en) * | 2023-06-25 | 2023-09-01 | 山西省安装集团股份有限公司 | Hoisting device for laying concrete sewage pipes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216272789U (en) | Auxiliary lifting device for solar photovoltaic panel | |
| CN213171204U (en) | Construction equipment hoisting device | |
| CN115811272A (en) | Splicing type photovoltaic panel convenient for adjusting supporting angle | |
| CN113735012B (en) | A installation device that is arranged in factory building construction high altitude structure | |
| CN115432614A (en) | A construction site intelligent lifting system | |
| CN213085243U (en) | Novel building electrical construction goes up and down device | |
| CN218620225U (en) | Electric rotary lifting insulating platform for operation on auxiliary rod | |
| CN218561044U (en) | A operation platform for installing template | |
| CN218289492U (en) | Clamping mechanism of prefabricated wallboard turning device | |
| CN215974582U (en) | Assembled building wallboard hoist device | |
| CN214875218U (en) | A pole-climbing robot with self-locking function | |
| CN221565610U (en) | Curtain construction hoist device that can multidirectional be adjusted | |
| CN217676491U (en) | High-efficient loop wheel machine is used to civil engineering | |
| CN210710381U (en) | Attached lifting scaffold for building | |
| CN216863453U (en) | Pile feeding winch convenient for lifting and hoisting prestressed pipe pile construction | |
| CN213569258U (en) | Assembled building hoisting accessory | |
| CN113044737A (en) | Building tower crane with wind power generation device | |
| CN221103306U (en) | Detection device for solar panel | |
| CN220149071U (en) | Building material lifting device | |
| CN201678398U (en) | High-rise indoor object-suspending device | |
| CN222273950U (en) | A lifting equipment | |
| CN221500472U (en) | Lifting device for building engineering | |
| CN219918208U (en) | Cable traction device | |
| CN216840526U (en) | Bearing frame for building construction | |
| CN221400779U (en) | Yaw brake mounting device of wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |