CN110700080A - Anti-falling waterproof device for beam end of large-span bridge - Google Patents
Anti-falling waterproof device for beam end of large-span bridge Download PDFInfo
- Publication number
- CN110700080A CN110700080A CN201910983944.8A CN201910983944A CN110700080A CN 110700080 A CN110700080 A CN 110700080A CN 201910983944 A CN201910983944 A CN 201910983944A CN 110700080 A CN110700080 A CN 110700080A
- Authority
- CN
- China
- Prior art keywords
- water stop
- beam end
- accommodating space
- water
- waterproof device
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a falling-preventing type waterproof device for a beam end of a long-span bridge, which belongs to the technical field of bridge beam end waterproofing, wherein a supporting plate is arranged to form an accommodating space by being surrounded with the beam end on one side, one end of a water stop can extend into the accommodating space in a sliding way and is connected with a heavy object arranged in the accommodating space in a matching way, so that the water stop outside the accommodating space is always in a stretched straight state, the water stop is prevented from falling downwards under the action of self weight to form a sunken area which is easy to accumulate water and accumulate dust, and the service life of the whole waterproof device is effectively prolonged; meanwhile, the invention is also provided with a cover plate which is covered on the top of the accommodating space in a matching way, so as to avoid water accumulation and dust accumulation of the water stop in the accommodating space.
Description
Technical Field
The invention relates to the technical field of bridge beam end waterproof, in particular to an anti-falling type waterproof device for a large-span bridge beam end.
Background
With the continuous development of bridge structures, beam-end expansion devices are also gradually entering a standardized era. And in fishback formula telescoping device, the setting mode of beam-ends watertight fittings mainly sets up waterproof rubber skin in the pinion rack below to realize waterproof dirt-proof purpose. But because the rubber is the nature state of dangling, if do not reach the designing requirement during the installation, the rubber just can be under the dead weight effect, and the tenesmus forms the sunk area of ponding laying dust, influences watertight fittings life, and still can influence the setting of beam-ends department service aisle.
Disclosure of Invention
In summary, the technical problems solved by the present invention are: the utility model provides a beam-ends watertight fittings suitable for large-span bridge, it can effectively avoid the waterstop to appear the depressed area to improve watertight fittings's life
The scheme adopted by the invention for solving the technical problems is as follows:
the two ends of the water stop are fixedly connected with the beam ends on the two sides respectively, the support plate is fixed with the beam end on the left side and encloses an accommodating space with the top open, the support plate is positioned below the water stop, the top of the support plate forms a sliding part in sliding contact with the water stop, the water stop extends into the accommodating space, and a counterweight is hung on the part of the water stop extending into the accommodating space, so that the water stop between the sliding part and the beam end on the right side is in a stretched straight state, and the cover plate is arranged on the top of the accommodating space.
Further, the sliding contact surface between the sliding part and the water stop belt is an arc surface.
Further, the sliding part is cylindrical, and the outer peripheral surface of the sliding part is used for contacting with the water stop belt.
Furthermore, the left side beam-ends constitutes the bracket that is located the extension board bottom, bracket and extension board fixed connection.
Furthermore, the bracket and the support plate are welded.
Further, the cover plate is hinged with the left side beam end, so that the cover plate can selectively open or close the top of the accommodating space through the overturning of the cover plate relative to the left side beam end.
Further, the water stop between the sliding portion and the right side sill end is shaped to be inclined downward in the left-to-right direction.
Furthermore, the end part of the water stop is fixedly connected with the right side beam end through a water accumulation component, the water accumulation component comprises a water accumulation barrel which is in a barrel shape with an open top and is fixedly connected with the right side beam end, and a guide plate which is respectively fixedly connected with the water accumulation barrel and the end part of the water stop and can guide the accumulated water on the top surface of the water stop to enter the water accumulation barrel, and the top part of the water accumulation barrel is positioned below the water stop.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) according to the water stop device, the support plate is arranged to form an accommodating space by enclosing with the beam end on one side, one end of the water stop can extend into the accommodating space in a sliding manner and is connected with a heavy object arranged in the accommodating space in a matched manner, so that the water stop outside the accommodating space is always in a stretched straight state, the water stop is prevented from falling downwards under the action of self weight to form a sunken area which is easy to accumulate water and accumulate dust, and the service life of the whole water stop device is effectively prolonged; meanwhile, the invention is also provided with a cover plate which is covered on the top of the accommodating space in a matching way, so as to avoid water accumulation and dust accumulation of the water stop in the accommodating space.
(2) In the invention, the water stop belt between the sliding part and the right side beam end is in a downward inclined shape, and the end part of the water stop belt is provided with the water accumulation tube for collecting accumulated water in a matching way, so that the sewage and residue are concentrated.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
[ PROPERTIES FOR COMPLEMENTATION ]
1-beam end, 2-waterstop, 3-support plate, 4-counterweight, 5-cover plate, 6-bracket, 7-water accumulation tube and 8-guide plate.
Detailed Description
The invention provides a beam-end falling-prevention type waterproof device for a large-span bridge, which is described in detail below by combining an embodiment and the attached drawings.
Example 1
As shown in fig. 1, the anti-falling type waterproof device for the beam end of the long-span bridge provided in this embodiment 1 includes a water stop 2 and a support plate 3, which are disposed between the beam ends 1 on the left and right sides, two ends of the water stop 2 are respectively connected to the beam ends 1 on the two sides, the support plate 3 is fixed to the beam end 1 on the left side and encloses an accommodating space with an open top, the support plate 3 is located below the water stop 2, and a sliding portion in sliding contact with the water stop 2 is formed at the top of the support plate, the water stop 2 extends into the accommodating space, and a weight 4 is hung on a portion of the water stop 2 extending into the accommodating space, so that the water stop 2 between the sliding portion and the beam end 1 on the right side is in a stretched state, and further includes a cover plate 5 covering the top of the accommodating space.
The water stop 2 between the sliding part and the right side beam end 1 is a part of the whole waterproof device mainly playing a waterproof role, and due to the action of the counterweight 4 in the accommodating space, the water stop does not fall under the action of self weight and is always in a stretched straight state, so that the situation that the water stop 2 falls downwards to form a sunk area of accumulated water and dust is effectively avoided, and the service life of the whole waterproof device is prolonged. And because the weight 4 is hung on the water stop 2 in the accommodating space, the water stop 2 will fall, so that the embodiment 1 is correspondingly provided with the cover plate 5 covering the top of the accommodating space to seal the accommodating space.
In the preferred embodiment, in embodiment 1, the sliding contact surface between the sliding portion and the water stop 2 is a curved surface, so as to ensure the smoothness of sliding between the water stop 2 and the sliding portion and avoid the sliding portion from cutting the water stop 2. Specifically, in embodiment 1, the sliding portion has a cylindrical shape, and the outer peripheral surface thereof is used to contact the water stop 2.
In the preferred embodiment, in the embodiment 1, the left beam end 1 is formed with a bracket 6 at the bottom of the brace 3, and the bracket 6 is fixedly connected with the brace 3 to ensure stable support for the brace 3 and the counterweight 4. Specifically, the brackets 3 and the brackets 6 are welded.
As a preferred embodiment, in this embodiment 1, the cover plate 5 is hinged to the left side beam end 1, so that the cover plate 5 can selectively open or close the top of the accommodating space through its turning relative to the left side beam end 1, so as to facilitate the replacement of the counterweight 4 or the water stop 2 by the implementer, wherein the cover plate 5 may specifically be selected to open the top of the accommodating space through upward turning relative to the left side beam end 1, or open the top of the accommodating space through horizontal rotation relative to the left side beam end 1. To facilitate the operator to open the top of the storage space, in the embodiment 1, the cover plate 5 and the left side beam end 1 are hinged to each other through a rotation shaft with its axis extending horizontally, that is, the cover plate 5 can open the top of the storage space by turning it upward relative to the left side beam end 1.
As a preferred embodiment, in this embodiment 1, the waterstop 2 between the sliding portion and the right side beam end 1 is in a shape of being inclined downward from left to right, that is, the contact point between the sliding portion and the waterstop 2 is higher than the contact point between the waterstop 2 and the right side beam end 1, further, the end of the waterstop 2 is fixedly connected with the right side beam end 1 through a water accumulating member, the water accumulating member includes a water accumulating tube 7 in a cylindrical shape with an open top and fixedly connected with the right side beam end 1, and a deflector 8 respectively fixedly connected with the water accumulating tube 7 and the end of the waterstop 2 and capable of guiding the accumulated water on the top surface of the waterstop 2 into the water accumulating tube 7, and the top of the water accumulating tube 7 is located below the waterstop 2. The purpose of this arrangement is: let sewage and residue that fall on waterstop 2 can follow waterstop 2 and enter into to ponding section of thick bamboo 7 through guide plate 8 is automatic, realize the concentration to sewage residue, convenient subsequent emission.
Claims (8)
1. The utility model provides a be used for large-span bridge beam-ends to prevent weighing down formula watertight fittings which characterized in that: the water stop device comprises a water stop belt and a support plate, wherein the water stop belt and the support plate are arranged between left and right beam ends, two ends of the water stop belt are fixedly connected with the two beam ends respectively, the support plate is fixed with the left beam end and encloses an accommodating space with an open top, the support plate is positioned below the water stop belt, a sliding part in sliding contact with the water stop belt is formed at the top of the support plate, the water stop belt extends into the accommodating space, a counterweight is hung on a part of the water stop belt extending into the accommodating space, so that the water stop belt between the sliding part and the right beam end is in a stretched straight state, and a cover plate is arranged at the top of the accommodating space.
2. The anti-falling type waterproof device for the beam end of the large-span bridge, according to claim 1, is characterized in that: and the sliding contact surface between the sliding part and the water stop belt is a cambered surface.
3. The anti-falling type waterproof device for the beam end of the large-span bridge, as claimed in claim 2, is characterized in that: the sliding part is cylindrical, and the peripheral surface of the sliding part is used for being in contact with the water stop belt.
4. The anti-falling type waterproof device for the beam end of the large-span bridge, according to claim 1, is characterized in that: and the left beam end is provided with a bracket positioned at the bottom of the support plate, and the bracket is fixedly connected with the support plate.
5. The anti-falling type waterproof device for the beam end of the large-span bridge, as claimed in claim 4, is characterized in that: the bracket and the support plate are welded.
6. The anti-falling type waterproof device for the beam end of the large-span bridge, according to claim 1, is characterized in that: the cover plate is hinged with the left side beam end, so that the cover plate can selectively open or close the top of the accommodating space through the overturning of the cover plate relative to the left side beam end.
7. The anti-falling type waterproof device for the beam end of the large-span bridge, according to claim 1, is characterized in that: the water stop between the sliding portion and the right side sill end is shaped to be inclined downward in the left-to-right direction.
8. The anti-falling type waterproof device for the beam end of the large-span bridge, according to claim 7, is characterized in that: the end part of the water stop is fixedly connected with the right side beam end through a water accumulation component, the water accumulation component comprises a water accumulation barrel which is in a barrel shape with an open top and is fixedly connected with the right side beam end, and a guide plate which is respectively fixedly connected with the water accumulation barrel and the end part of the water stop and can guide accumulated water on the top surface of the water stop to enter the water accumulation barrel, and the top part of the water accumulation barrel is positioned below the water stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983944.8A CN110700080B (en) | 2019-10-16 | 2019-10-16 | Anti-falling waterproof device for beam end of large-span bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983944.8A CN110700080B (en) | 2019-10-16 | 2019-10-16 | Anti-falling waterproof device for beam end of large-span bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110700080A true CN110700080A (en) | 2020-01-17 |
| CN110700080B CN110700080B (en) | 2021-10-15 |
Family
ID=69199864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910983944.8A Active CN110700080B (en) | 2019-10-16 | 2019-10-16 | Anti-falling waterproof device for beam end of large-span bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110700080B (en) |
Citations (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH545382A (en) * | 1971-11-09 | 1973-12-15 | Stog Kg Ind & Rohrleitung | Waterproof cover for an expansion joint on a traffic structure |
| CH573524A5 (en) * | 1973-02-23 | 1976-03-15 | Honegger Heinz | Roadway expansion joint - with U section sealing strip in metal channels on concrete slab edges |
| EP0086277A1 (en) * | 1982-02-12 | 1983-08-24 | Kober AG | Joint covering |
| FR2694580A1 (en) * | 1992-08-06 | 1994-02-11 | Dani Alu | Waterproof expansion joint for paved surfaces like parking areas - comprises membrane strips laid horizontally between surfacing and slabs, with two bolt fixed angles and honeycomb expansion lining in between |
| CN2167150Y (en) * | 1993-09-10 | 1994-06-01 | 张振坤 | Portable lent for tourism |
| CN2813784Y (en) * | 2005-06-28 | 2006-09-06 | 厦门进雄企业有限公司 | Water-logging proof tent |
| CN2858879Y (en) * | 2005-11-02 | 2007-01-17 | 厦门进雄企业有限公司 | Improved water accumulation resistant tent |
| CN2895632Y (en) * | 2006-04-29 | 2007-05-02 | 王健 | Split tent |
| DE202010009204U1 (en) * | 2010-06-07 | 2010-09-16 | Cdk Zarmutek Gbr (Vertretungsberechtigter Gesellschafter: Herrnclaus F. Zarmutek, 57234 Wilnsdorf-Niederdielfen) | Road joint system |
| CN201762914U (en) * | 2010-07-13 | 2011-03-16 | 杭州双成遮阳制品有限公司 | Window type swing arm awning |
| CN203716616U (en) * | 2013-06-03 | 2014-07-16 | 宽达联合贸易有限公司 | Tent |
| CN204112214U (en) * | 2014-10-13 | 2015-01-21 | 合肥国本桥梁特种构件有限公司 | Bridge expanssion joint dredges water guider |
| CN205348939U (en) * | 2015-12-21 | 2016-06-29 | 刘琪 | Multi -functional tent |
| CN205604071U (en) * | 2016-05-16 | 2016-09-28 | 周宁 | Bridge expansion device |
| CN206874035U (en) * | 2017-05-31 | 2018-01-12 | 厦门大学嘉庚学院 | Portable contraction awning |
| CN207211937U (en) * | 2017-09-08 | 2018-04-10 | 东莞龙迈汽车用品制造有限公司 | A kind of arc top tent |
| CN207293705U (en) * | 2017-08-26 | 2018-05-01 | 盐城市昶桦户外用品股份有限公司 | A kind of tent cloth rate of tension regulating device |
| CN108093982A (en) * | 2017-12-28 | 2018-06-01 | 青岛联合智造科技有限公司 | A kind of uniaxial driving auto-controlled multi-layer insulation film lifting agricultural greenhouse |
| CN207484282U (en) * | 2017-11-21 | 2018-06-12 | 玛格巴（上海）桥梁构件有限公司 | A kind of comb teeth shape bridge extension joint of multi-directional deflection |
| CN207714647U (en) * | 2018-01-11 | 2018-08-10 | 深圳市恒盈建设集团有限公司 | A kind of awning |
| CN208009237U (en) * | 2018-03-20 | 2018-10-26 | 衡水双盛工程橡胶有限公司 | The low frictional resistance bridge extension joint of high intensity |
| CN108867356A (en) * | 2018-09-29 | 2018-11-23 | 合诚工程咨询集团股份有限公司 | Bridge expansion joint installation |
| CN108867337A (en) * | 2018-09-10 | 2018-11-23 | 天津森聚柯密封涂层材料有限公司 | A kind of waterproof construction and construction method of joint of bridge |
| CN208379940U (en) * | 2018-05-02 | 2019-01-15 | 杨建宾 | A kind of ceiling blind dust-extraction unit |
| CN109736190A (en) * | 2019-02-13 | 2019-05-10 | 安徽尚德科技有限公司 | A kind of big stroke list seam telescopic device of railroad bridge |
| CN109736189A (en) * | 2019-02-13 | 2019-05-10 | 安徽尚德科技有限公司 | A kind of medium stroke expansion gap device of railroad bridge |
| CN209163528U (en) * | 2018-10-30 | 2019-07-26 | 广东泽森建设有限公司 | A kind of municipal works rain shade |
| CN110259193A (en) * | 2019-05-29 | 2019-09-20 | 深圳市承构建筑咨询有限公司 | A kind of sunshade |
-
2019
- 2019-10-16 CN CN201910983944.8A patent/CN110700080B/en active Active
Patent Citations (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH545382A (en) * | 1971-11-09 | 1973-12-15 | Stog Kg Ind & Rohrleitung | Waterproof cover for an expansion joint on a traffic structure |
| CH573524A5 (en) * | 1973-02-23 | 1976-03-15 | Honegger Heinz | Roadway expansion joint - with U section sealing strip in metal channels on concrete slab edges |
| EP0086277A1 (en) * | 1982-02-12 | 1983-08-24 | Kober AG | Joint covering |
| FR2694580A1 (en) * | 1992-08-06 | 1994-02-11 | Dani Alu | Waterproof expansion joint for paved surfaces like parking areas - comprises membrane strips laid horizontally between surfacing and slabs, with two bolt fixed angles and honeycomb expansion lining in between |
| CN2167150Y (en) * | 1993-09-10 | 1994-06-01 | 张振坤 | Portable lent for tourism |
| CN2813784Y (en) * | 2005-06-28 | 2006-09-06 | 厦门进雄企业有限公司 | Water-logging proof tent |
| CN2858879Y (en) * | 2005-11-02 | 2007-01-17 | 厦门进雄企业有限公司 | Improved water accumulation resistant tent |
| CN2895632Y (en) * | 2006-04-29 | 2007-05-02 | 王健 | Split tent |
| DE202010009204U1 (en) * | 2010-06-07 | 2010-09-16 | Cdk Zarmutek Gbr (Vertretungsberechtigter Gesellschafter: Herrnclaus F. Zarmutek, 57234 Wilnsdorf-Niederdielfen) | Road joint system |
| CN201762914U (en) * | 2010-07-13 | 2011-03-16 | 杭州双成遮阳制品有限公司 | Window type swing arm awning |
| CN203716616U (en) * | 2013-06-03 | 2014-07-16 | 宽达联合贸易有限公司 | Tent |
| CN204112214U (en) * | 2014-10-13 | 2015-01-21 | 合肥国本桥梁特种构件有限公司 | Bridge expanssion joint dredges water guider |
| CN205348939U (en) * | 2015-12-21 | 2016-06-29 | 刘琪 | Multi -functional tent |
| CN205604071U (en) * | 2016-05-16 | 2016-09-28 | 周宁 | Bridge expansion device |
| CN206874035U (en) * | 2017-05-31 | 2018-01-12 | 厦门大学嘉庚学院 | Portable contraction awning |
| CN207293705U (en) * | 2017-08-26 | 2018-05-01 | 盐城市昶桦户外用品股份有限公司 | A kind of tent cloth rate of tension regulating device |
| CN207211937U (en) * | 2017-09-08 | 2018-04-10 | 东莞龙迈汽车用品制造有限公司 | A kind of arc top tent |
| CN207484282U (en) * | 2017-11-21 | 2018-06-12 | 玛格巴（上海）桥梁构件有限公司 | A kind of comb teeth shape bridge extension joint of multi-directional deflection |
| CN108093982A (en) * | 2017-12-28 | 2018-06-01 | 青岛联合智造科技有限公司 | A kind of uniaxial driving auto-controlled multi-layer insulation film lifting agricultural greenhouse |
| CN207714647U (en) * | 2018-01-11 | 2018-08-10 | 深圳市恒盈建设集团有限公司 | A kind of awning |
| CN208009237U (en) * | 2018-03-20 | 2018-10-26 | 衡水双盛工程橡胶有限公司 | The low frictional resistance bridge extension joint of high intensity |
| CN208379940U (en) * | 2018-05-02 | 2019-01-15 | 杨建宾 | A kind of ceiling blind dust-extraction unit |
| CN108867337A (en) * | 2018-09-10 | 2018-11-23 | 天津森聚柯密封涂层材料有限公司 | A kind of waterproof construction and construction method of joint of bridge |
| CN108867356A (en) * | 2018-09-29 | 2018-11-23 | 合诚工程咨询集团股份有限公司 | Bridge expansion joint installation |
| CN209163528U (en) * | 2018-10-30 | 2019-07-26 | 广东泽森建设有限公司 | A kind of municipal works rain shade |
| CN109736190A (en) * | 2019-02-13 | 2019-05-10 | 安徽尚德科技有限公司 | A kind of big stroke list seam telescopic device of railroad bridge |
| CN109736189A (en) * | 2019-02-13 | 2019-05-10 | 安徽尚德科技有限公司 | A kind of medium stroke expansion gap device of railroad bridge |
| CN110259193A (en) * | 2019-05-29 | 2019-09-20 | 深圳市承构建筑咨询有限公司 | A kind of sunshade |
Non-Patent Citations (1)
| Title |
|---|
| 胡毅等: "公路桥梁伸缩缝更换施工", 《科技创新与应用》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110700080B (en) | 2021-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206553869U (en) | Domatic section discharge structure | |
| CN110700080B (en) | Anti-falling waterproof device for beam end of large-span bridge | |
| CN209584824U (en) | A kind of shock-absorbing bridge support between bridge pier and bridge | |
| CN210288702U (en) | Building waterproof board structure | |
| CN204847454U (en) | Portable screw ship unloader of variable cross section frame of falling triangular supports | |
| CN211318427U (en) | Automatic detection device for paddy field water pollutants | |
| CN210948033U (en) | Fence for building construction safety management | |
| CN202084896U (en) | Moistureproof cover plate | |
| CN209415488U (en) | A kind of waste stack and imperial frame | |
| CN110588416A (en) | Easy-to-use electric pile that fills of environmental protection with car washing function | |
| CN217505709U (en) | Multifunctional portable heat transfer coefficient detection device | |
| CN206945252U (en) | A kind of door-plate testing jig | |
| CN207242609U (en) | A kind of municipal garbage case | |
| CN208218284U (en) | A kind of lifting device of construction artificial digging pile | |
| CN210832307U (en) | High stability air conditioner frame | |
| CN207275992U (en) | Elevator weight sensor fag end auxiliary beam structure | |
| CN210339058U (en) | Wall plate structure in container | |
| CN220853756U (en) | Tail material level sensing device | |
| CN212014031U (en) | White mouse feeding cage | |
| CN217132313U (en) | Gas effluent water sump point is examined cursory | |
| CN216973583U (en) | A rainwater ration collection device for in scenery gardens | |
| CN203382261U (en) | Unloading dust prevention device | |
| CN216226585U (en) | Make things convenient for bender pay-off mesa of dismouting maintenance | |
| CN220255038U (en) | Boat tractor with protection machanism | |
| CN213872528U (en) | Hail suppression solar street lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |