CN107780327A - Road maintenance assembled dual control road prevention cover - Google Patents
Road maintenance assembled dual control road prevention cover Download PDFInfo
- Publication number
- CN107780327A CN107780327A CN201711283549.6A CN201711283549A CN107780327A CN 107780327 A CN107780327 A CN 107780327A CN 201711283549 A CN201711283549 A CN 201711283549A CN 107780327 A CN107780327 A CN 107780327A
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- China
- Prior art keywords
- shaped steel
- road
- column
- adpting flange
- steel column
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/03—Arrangements for curing paving; Devices for applying curing means; Devices for laying prefabricated underlay, e.g. sheets, membranes; Protecting paving under construction or while curing, e.g. use of tents
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention relates to a kind of road maintenance assembled dual control road prevention cover, including be symmetricly set on both sides of the road by multiple bases, the frame structure of column and the top cross-bar component composition being connected with column top, characterized by further comprising curtain canopy cover, it is arranged on base, the draw off gear for making curtain canopy cover open or collapse in column and top cross-bar, the present invention is set up at the edge of existing road, fabrication and installation simple and fast, it can locally set up and use and install, take up space few, vehicle normal operation is not influenceed, vehicle ride quality and environment under bad weather can be substantially improved.
Description
Technical field
The present invention relates to a kind of sky shade.A kind of more particularly to road maintenance assembled dual control road prevention cover.Automatically
Or the manual anti-aging antiultraviolet tarpaulin of folding and unfolding realizes the device of initiative preventability maintenance.
Background technology
With the fast development of social economy, the continuous progress of highway engineering construction cause is driven, but highway is built simultaneously
If there is also many problems, especially subgrade and pavement disease problem are very serious during.Road is artificial structure's thing, for a long time
Among natural environment, influenceed by unfavorable factors such as solar ultraviolet, wind and frost sleets, it may occur that the disease such as aging, erosion
Evil, its service life of serious curtailment；Ice and snow, rainwater on road can also have a strong impact on driving quality and safety.Due to highway
Influenceed for a long time by natural environments such as sleet, frost, UV sunlights, cause highway aging accelerate, subgrade and pavement deformation, under
The disease problems such as sunken, cracking, so as to highway be made to reach design life.These problems seriously constrain the durable of highway
Property, or even the safety of life and property of the people is also produced and had a strong impact on.Maintenance of the presently relevant department to highway is taken mostly
Go wrong the measure remedied again, and corresponding precautionary measures is made to road under unfavorable natural conditions, from right
Said in plan, very passively.
The content of the invention
It is an object of the invention to provide one kind can extend Road Service Life, improve the road maintenance of environment and condition
With assembled dual control road prevention cover.
The object of the present invention is achieved like this.
The present invention a kind of assembled dual control road prevention cover, including be symmetricly set on both sides of the road by multiple bases,
The frame structure of column and the top cross-bar component composition being connected with column top, it is characterised in that also including curtain canopy cover,
The draw off gear for making curtain canopy cover open or collapse in base, column and top cross-bar is arranged on,
Described base by concrete foundation and being arranged on set in concrete foundation be used to connecting column with bolt hole
Steel sole plate is formed；
Described column includes the bottom chassis being fixedly connected with steel sole plate, is arranged on mutually being interconnected by bolt on bottom chassis
The framework being made up of bottom shaped steel column, middle more piece shaped steel column and top shaped steel column connect；
Described bottom shaped steel column, middle more piece shaped steel column and top shaped steel column connects by top adpting flange, bottom
Acting flange, the shaped steel being arranged between top adpting flange and bottom adpting flange are formed, in described top adpting flange
Groove and bolt hole are symmetrically provided with the adpting flange of bottom；
Described bottom shaped steel column is fixedly connected by bolt with steel sole plate, is connected on the top of steel sole plate and bottom shaped steel column
Bearing diagonal is provided between acting flange corner, the side of shaped steel column, which is provided with, in bottom is used for the horizontal link for storing curtain canopy cover
Groove；
The top adpting flange of described top shaped steel column is fixedly connected by capital connector with transverse beam assembly；
The transverse beam assembly include be symmetricly set on horizontal bridge that the column of both sides of the road is connected, on horizontal bridge also
Have two grooves and be separately positioned on magnetite and the rubber termination of two groove ends.
Described draw off gear includes the motor being arranged on steel sole plate, the folding and unfolding transmission being arranged in stake pocket
Groove, curtain Peng Zhao travel mechanisms, transmission mechanism and the control system being slidably connected with folding and unfolding driving groove,
Described folding and unfolding driving groove two sliding rails being correspondingly arranged in U-type groove body, is arranged on slip rail by U-type groove body
Noise reduction rubber blanket on the inside of road and the cable pipe being arranged in U-type groove body are formed.
Described capital connector is by both ends adpting flange and the arc shaped steel institute group being connected as a single entity with both ends adpting flange
Into being also symmetrically provided with stake pocket and bolt hole, the both ends adpting flange of described capital connector on the adpting flange of both ends
One end is connected with the top adpting flange of top shaped steel column, the end flange connection of the other end and top cross-bar.
Described curtain canopy cover includes tarpaulin, be arranged at every block of tarpaulin connection side made of aluminum quoit wraps up
Tarpaulin is fixedly connected by circular edges hole, the circular edges hole of link ring through every block of tarpaulin with tarpaulin.
Hoist engine that described transmission mechanism includes being connected with motor, steel strand wires, it is arranged on horizontal bridge end
Draw steel strand wires fixed pulley and curtain Peng Zhao travel mechanisms.
Described curtain Peng Zhao travel mechanisms include the noise reduction rubber being slidably connected with two sliding rails in U-type groove body
Roller, the falcon axle being connected successively with noise reduction rubber roll, locating wheel, transverse support bar and the rubber being arranged on the outside of transverse support bar
Rubber-surfaced roll；
Described steel strand wires one end is connected with bottom rotating shaft, and bottom rotating shaft connects with hoist engine falcon, and the other end is around traction steel strand wires
Fixed pulley is fixedly connected with transverse support bar,
Described curtain canopy cover one end is fixed on base, and the other end is fixedly connected with the rubber rolling of cross-brace bar side.
The radius of described arc shaped steel is 13.30mm, and radian is 13.34 °.
Tarpaulin is made of antiultraviolet Anti-aging, high-strength degree terylene wire material.
Set on the bottom adpting flange of described bottom shaped steel column, middle more piece shaped steel column and top shaped steel column
There is reinforcement.
It is an advantage of the invention that：
1. the protective cover can substantially improve vehicle ride quality and environment under bad weather；
2. facility antiultraviolet, the rain and snow, it is a kind of initiative maintenance to highway, highway service life can be greatly prolonged, subtracted
Few maintenance costs, avoids the use of northern area deicer salts, protects environment；
3. folding and unfolding of the present invention ensure that the safety and efficiency of folding and unfolding using manually and automatically two kinds of control modes；
4. the protective cover is set up at the edge of existing road, fabrication and installation simple and fast, it can locally set up and use and install, account for
Space is few, does not influence vehicle normal operation；
5. the main material source used in protective cover is wide, pollution-free, can reuse, and cost is relatively low, protection effect is good,
Design philosophy is unique novel, very useful, meets green, energy-saving and emission-reduction theories.
Brief description of the drawings
Fig. 1 is the integral assembling structural representation of the present invention.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the schematic enlarged-scale view of shaped steel column.
Fig. 4 is Fig. 1 A portions enlarged drawing.
Fig. 5 is the structural representation that horizontal bridge is fixed.
Fig. 6 is Fig. 5 C direction views.
Fig. 7 is the enlarged diagram of folding and unfolding driving groove.
Fig. 8 is the structural representation of capital connector.
Fig. 9 is Fig. 1 B portions enlarged drawing.
Figure 10 is Fig. 9 left view.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Fig. 1-Figure 10, a kind of road maintenance of the invention assembled dual control road prevention cover, including symmetrically set
Put in both sides of the road by multiple bases 1, column 2 and the framework knot formed with the top cross-bar component 4 that the top of column 2 is connected
Structure, it is characterised in that also including curtain canopy cover 5, being arranged in base 1, column and top cross-bar makes curtain canopy cover open or collapse
Draw off gear,
As shown in figure 4, described base 1 connects column by being used for of being set in concrete foundation 1 of concrete foundation and being arranged on
Steel sole plate 1-1 with bolt hole is formed；
Described column 2 include it is multiple be inter-connected via a bolt joint by bottom shaped steel column, middle more piece shaped steel column and on
The framework of portion's shaped steel column composition；
As shown in figure 4, described bottom shaped steel column, middle more piece shaped steel column and top shaped steel column are by top connection method
Blue 2-3, bottom adpting flange 2-1, the shaped steel 2-2 institutes group being arranged between top adpting flange 2-3 and bottom adpting flange 2-1
Into being symmetrically provided with stake pocket 2-4 and bolt hole 2-5 on described top adpting flange 2-3 and bottom adpting flange 2-1；
The installation of bottom shaped steel column, middle more piece shaped steel column and top shaped steel column mainly uses flange and bolt with being connected, and applies
Work is convenient and swift.In order to improve the intensity of column, the present invention described bottom shaped steel column, middle more piece shaped steel column and on
The bottom adpting flange 2-1 of portion's shaped steel column is provided with reinforcement 2-6.
As shown in figure 3, described bottom shaped steel column is fixedly connected by bolt 2-7 with steel sole plate 1-1, in steel sole plate 1-
Bearing diagonal 6 is provided between 1 and tetra- jiaos of the top adpting flange 2-3 of bottom shaped steel column；In bottom, the side of shaped steel column is provided with
For storing the horizontal linked grooves 16 of curtain canopy cover；
The top adpting flange 2-3 of described top shaped steel column is fixedly connected by capital connector 3 with transverse cross beam assembly 4；
As shown in figure 5, transverse beam assembly 4 of the present invention includes the transverse direction being connected with being symmetricly set on the column 2 of both sides of the road
Bridge 4-1, also have two groove 4-2 on horizontal bridge and be separately positioned on the magnetite 4-3 of two groove 4-2 ends
With rubber termination 4-4.
Draw off gear of the present invention includes the motor being arranged on steel sole plate 1-1, is arranged on stake pocket 2-4
The curtain Peng Zhao travel mechanisms that are slidably connected with the folding and unfolding driving groove 8 in transverse beam assembly groove 4-2, with folding and unfolding driving groove 8, transmission
Mechanism and control system,
Described folding and unfolding driving groove 8 two sliding rail 8-2 being correspondingly arranged in U-type groove body 8-1, is set by U-type groove body 8-1
The cable pipe 8-3 for putting the noise reduction rubber blanket 8-4 on the inside of sliding rail 8-2 and being arranged in U-type groove body 8-1 is formed,
18 be cable in figure.
Described capital connector 3 is by both ends adpting flange 3-1 and the arc-shaped being connected as a single entity with both ends adpting flange 3-1
Steel 3-2 is formed, and groove 3-3 and bolt hole 3-4, described capital connector are also symmetrically provided with the adpting flange 3-1 of both ends
Both ends adpting flange 3-1 one end be connected by bolt with the top adpting flange 2-3 of top shaped steel column, the other end is with passing through
The end flange connection of bolt top cross-bar 4, described arc shaped steel 3-2 radius is 13.30mm, and radian is 13.34 °.This
The frame strength height of sample formation, bearing capacity, stability might as well.
Curtain canopy cover 5 of the present invention includes tarpaulin 5-1, be arranged on every piece of tarpaulin 5-1 connect at curtain edge fit by aluminium
Circular edges hole 5-2 made of quoit parcel processed, link ring 5-3 through every piece of tarpaulin 5-1 circular edges hole 5-2 will be covered with mat
Cloth is fixedly connected with tarpaulin.
Hoist engine 7 that described transmission mechanism includes being connected with motor, steel strand wires 9, it is arranged on horizontal bridge 4-1 ends
The traction steel strand wires fixed pulley 10 in portion and curtain Peng Zhao travel mechanisms,
Connect as shown in fig. 7, described curtain Peng Zhao travel mechanisms include sliding with two sliding rail 8-2 in U-type groove body 8-1
The noise reduction rubber roll 11 connect, the falcon axle 12 being connected successively with noise reduction rubber roll 11, locating wheel 13, transverse support bar 15 and sets
Put the rubber rolling 14 in the outside of transverse support bar 15；
Described one end of steel strand wires 9 is connected with bottom rotating shaft 17, and bottom rotating shaft 17 connects with the falcon of hoist engine 7, and the other end is around traction
Steel strand wires fixed pulley 10 is fixedly connected with transverse support bar 15,
The installation of each component of the present invention and be connected and mainly use flange and bolt, convenient and quick construction, can in-site installation, quantities
It is greatly reduced.Transmission mechanism be placed on position base solve motor work caused by rock, ensure framework monolithic stability.
Calculated through Midas's software, framework all meets mechanical requirements, frame strength, bearing capacity, stability in integral installation and arrangement
Also comply with mechanics check computation.
The tarpaulin 5-1 of the curtain canopy cover 5 of the present invention is made of antiultraviolet Anti-aging, high-strength degree terylene wire material.Set
The operation principle and electronic information control principle of motor, the operation principle by hoist engine will add with manual telescopic cover automatically
On by framed bent of the channel-section steel as column, it is electric or hand by hoist engine 7 drive steel strand wires 9 make tarpaulin located at both sides together with
Support tube be able to can move up and down with the groove of channel-section steel, lift tarpaulin to top by automatic or manual when needed, play
Protective action, allow tarpaulin to fall on both sides predetermined altitude when unwanted when, ensure the normal daylighting of road.
The operation principle of the present invention is as follows：
First start hoist engine 7, traction rubber rolling 14 from both sides of the road bottom along U-type groove body 8-1 in two sliding rail 8-2
Upward sliding；When transverse support bar 15 rises to certain position, there is very big surface tension in whole canopy cover, and being formed can holding force
Surface layer；Motor continuous firing, until the merging of top both direction, promote 4-4 contacts in rubber termination close, prevent rainwater from oozing
Leakage, while top magnetite 4-3 attracts each other, and can protect rubber termination 4-4 in horizontal bridge and close part, will not because of unbalance stress and
Relaxation.
Can effectively it be kept the sun off ultraviolet and wind and frost sleet using the present invention, so as to avoid unfavorable natural environment pair
The influence of road." umbrella " of this protective cover equivalent to highway.The assembled dual control road prevention cover of the installation present invention can
To efficiently solve highway problem of aging, highway service life is improved, improves environment, and highway subgrade road surface is opened
The problems such as splitting, sinking also functions to certain effect.
Such protector is there is no both at home and abroad at present, and the device has filled up the blank in terms of road preventive maintenance, makes
The economic benefit and social benefit of road are fully protected, and belong to innovation product.This patent design philosophy is unique, has actual
Application value.
Claims (10)
1. a kind of road maintenance assembled dual control road prevention cover, including be symmetricly set on both sides of the road by multiple bases,
The frame structure of column and the top cross-bar component composition being connected with column top, it is characterised in that also including curtain canopy cover,
The draw off gear for making curtain canopy cover open or collapse in base, column and top cross-bar is arranged on,
Described base is by concrete foundation and the steel with bolt hole for being used to connect column being arranged in concrete foundation
Bottom plate is formed；
Described column includes the bottom chassis being fixedly connected with steel sole plate, is arranged on mutually being interconnected by bolt on bottom chassis
The framework being made up of bottom shaped steel column, middle more piece shaped steel column and top shaped steel column connect；
Described bottom shaped steel column, middle more piece shaped steel column and top shaped steel column connects by top adpting flange, bottom
Acting flange, the shaped steel being arranged between top adpting flange and bottom adpting flange are formed, in described top adpting flange
Stake pocket and bolt hole are symmetrically provided with the adpting flange of bottom；
Described bottom shaped steel column is fixedly connected by bolt with steel sole plate, is connected on the top of steel sole plate and bottom shaped steel column
Bearing diagonal is provided between acting flange corner, the side of shaped steel column, which is provided with, in bottom is used for the horizontal link for storing curtain canopy cover
Groove；
The top adpting flange of described top shaped steel column is fixedly connected by capital connector with transverse beam assembly；
The transverse beam assembly include be symmetricly set on horizontal bridge that the column of both sides of the road is connected, on horizontal bridge also
Have two grooves and be separately positioned on magnetite and the rubber termination of two groove ends；
Described draw off gear includes being arranged on motor on steel sole plate, be arranged on folding and unfolding driving groove in stake pocket,
Curtain Peng Zhao travel mechanisms, transmission mechanism and the control system being slidably connected with folding and unfolding driving groove,
Described folding and unfolding driving groove two sliding rails being correspondingly arranged in U-type groove body, is arranged on slip rail by U-type groove body
Noise reduction rubber blanket on the inside of road and the cable pipe being arranged in U-type groove body are formed.
2. road maintenance according to claim 1 assembled dual control road prevention cover, it is characterised in that described capital
Connector is made up of both ends adpting flange and the arc shaped steel being connected as a single entity with both ends adpting flange, on the adpting flange of both ends
Also groove and bolt hole, both ends adpting flange one end of described capital connector and the top of top shaped steel column are symmetrically provided with
Adpting flange connects, and the end flange of the other end and top cross-bar connects.
3. road maintenance according to claim 1 assembled dual control road prevention cover, it is characterised in that described curtain
Canopy cover includes tarpaulin, the circular edges hole made of aluminum quoit wraps up being arranged at every piece of tarpaulin connection side, links ring
Tarpaulin is fixedly connected by the circular edges hole enclosed through every block of tarpaulin with tarpaulin.
4. road maintenance according to claim 1 assembled dual control road prevention cover, it is characterised in that described transmission
Mechanism include be connected with motor hoist engine, steel strand wires, the traction steel strand wires fixed pulley for being arranged on horizontal bridge end and
Curtain Peng Zhao travel mechanisms.
5. road maintenance according to claim 4 assembled dual control road prevention cover, it is characterised in that described curtain
Peng Zhao travel mechanisms include the noise reduction rubber roll that is slidably connected with two sliding rails in U-type groove body, successively with noise reduction rubber
Falcon axle, locating wheel, transverse support bar and the rubber rolling being arranged on the outside of transverse support bar of rubber-surfaced roll wheel connection.
6. road maintenance according to claim 1 assembled dual control road prevention cover, it is characterised in that described steel twists
Line one end is connected with bottom rotating shaft, and bottom rotating shaft connects with hoist engine falcon, and the other end is around traction steel strand wires fixed pulley with laterally propping up
Strut is fixedly connected.
7. road maintenance according to claim 1 assembled dual control road prevention cover, it is characterised in that described curtain
Canopy cover one end is fixed on base, and the other end is fixedly connected with the rubber rolling of cross-brace bar side.
8. road maintenance according to claim 2 assembled dual control road prevention cover, it is characterised in that described arc
The radius of shaped steel is 13.30mm, and radian is 13.34 °.
9. road maintenance according to claim 3 assembled dual control road prevention cover, it is characterised in that tarpaulin is using anti-
Ultraviolet Anti-aging, high-strength degree terylene wire material is made.
10. road maintenance according to claim 1 assembled dual control road prevention cover, it is characterised in that under described
The bottom adpting flange of portion's shaped steel column, middle more piece shaped steel column and top shaped steel column is provided with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711283549.6A CN107780327B (en) | 2017-12-07 | 2017-12-07 | Assembled double-control road protection cover for road maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711283549.6A CN107780327B (en) | 2017-12-07 | 2017-12-07 | Assembled double-control road protection cover for road maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107780327A true CN107780327A (en) | 2018-03-09 |
| CN107780327B CN107780327B (en) | 2023-01-10 |
Family
ID=61431113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711283549.6A Active CN107780327B (en) | 2017-12-07 | 2017-12-07 | Assembled double-control road protection cover for road maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107780327B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424510A (en) * | 2020-04-16 | 2020-07-17 | 四川永晖建筑工程有限公司 | Asphalt pavement construction device in rain and construction method thereof |
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| ES1046455U (en) * | 2000-06-27 | 2000-12-16 | Ruiz Manuel Alvarez | Protective structure for roads subject to weather. (Machine-translation by Google Translate, not legally binding) |
| CN2720013Y (en) * | 2004-07-13 | 2005-08-24 | 李正国 | Simple automobile hood or garage capable of assembling-disassembling and carrying about |
| CN101194577A (en) * | 2006-12-06 | 2008-06-11 | 张俊成 | Conjoined green house |
| CN201217843Y (en) * | 2008-07-04 | 2009-04-08 | 李剑威 | Magnetic suspension lifting movable house |
| NL2001107C2 (en) * | 2007-12-20 | 2009-06-23 | Stefan Middeldorp | Flexible cover i.e. tarpaulin for covering surface of e.g. substrate, for protection against weather, has heating unit to heat substrate to predetermined temperature, where heating unit includes network of electrical resistance wires |
| CN202124817U (en) * | 2011-06-08 | 2012-01-25 | 潘玲 | Awning for concrete road surface construction |
| CN202391147U (en) * | 2011-11-24 | 2012-08-22 | 天津二十冶建设有限公司 | Greenhouse for concrete construction in winter |
| CN105113795A (en) * | 2015-09-23 | 2015-12-02 | 黄河水利职业技术学院 | Unit-spliced-type protection shed preventing soil materials on construction site from losing |
| CN205455159U (en) * | 2016-01-08 | 2016-08-17 | 徐州苏羊羊业有限公司 | Automatic rainshelter opens and shuts |
| CN206205504U (en) * | 2016-11-28 | 2017-05-31 | 曾福英 | A kind of municipal administration bus platform |
| CN207672393U (en) * | 2017-12-07 | 2018-07-31 | 辽宁科技大学 | Road maintenance assembled dual control road prevention cover |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2116047U (en) * | 1992-02-20 | 1992-09-16 | 梁洪 | Portable folding movable shed |
| CN1138652A (en) * | 1994-11-14 | 1996-12-25 | 建筑专业公司 | Expansion joint cover |
| DE29507862U1 (en) * | 1995-05-12 | 1995-07-27 | Weckenmann Anlagentechnik GmbH, 72358 Dormettingen | Holding magnet for fixing formwork parts |
| ES1046455U (en) * | 2000-06-27 | 2000-12-16 | Ruiz Manuel Alvarez | Protective structure for roads subject to weather. (Machine-translation by Google Translate, not legally binding) |
| CN2720013Y (en) * | 2004-07-13 | 2005-08-24 | 李正国 | Simple automobile hood or garage capable of assembling-disassembling and carrying about |
| CN101194577A (en) * | 2006-12-06 | 2008-06-11 | 张俊成 | Conjoined green house |
| NL2001107C2 (en) * | 2007-12-20 | 2009-06-23 | Stefan Middeldorp | Flexible cover i.e. tarpaulin for covering surface of e.g. substrate, for protection against weather, has heating unit to heat substrate to predetermined temperature, where heating unit includes network of electrical resistance wires |
| CN201217843Y (en) * | 2008-07-04 | 2009-04-08 | 李剑威 | Magnetic suspension lifting movable house |
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| CN205455159U (en) * | 2016-01-08 | 2016-08-17 | 徐州苏羊羊业有限公司 | Automatic rainshelter opens and shuts |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424510A (en) * | 2020-04-16 | 2020-07-17 | 四川永晖建筑工程有限公司 | Asphalt pavement construction device in rain and construction method thereof |
| CN111424510B (en) * | 2020-04-16 | 2021-08-06 | 四川永晖建筑工程有限公司 | Asphalt pavement construction device in rain and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107780327B (en) | 2023-01-10 |
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