CN102758399A - Attached opening-closing protective cover of urban bridge - Google Patents
Attached opening-closing protective cover of urban bridge Download PDFInfo
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- CN102758399A CN102758399A CN2012102511021A CN201210251102A CN102758399A CN 102758399 A CN102758399 A CN 102758399A CN 2012102511021 A CN2012102511021 A CN 2012102511021A CN 201210251102 A CN201210251102 A CN 201210251102A CN 102758399 A CN102758399 A CN 102758399A
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Abstract
An attached opening-closing protective cover of an urban bridge is arranged on the pier of the urban bridge and an a bent cap at the top end of the pier, wherein two portal frames composed of portal uprights and a longitudinal tie beam are symmetrical about the medial axis of the urban bridge; a roller shaft is arranged at the top end of each portal frame for supporting and fixing a hauling cable; a longitudinal purline is connected to a semi-cambered vertical purline to form a lattice; a cambered PC corrugated board is fixed to the knots of the lattice as a roof, thereby forming a semi-cambered roof structure; one end of the roof structure is fixed to the longitudinal tie beam through a hoop arranged at the bottom of the vertical purline and rotates together with the longitudinal tie beam; the other end of the roof structure is connected to the hauling cable; and the hauling cable is connected to a hauling equipment system and controlled by the hauling equipment system to stretch and shrink so that the roof structure is opened and closed with the longitudinal tie beam as the axis; therefore, a plurality of functions such as rain and snow resisting, glare preventing, automatic snow removing, ventilating and the like, and active protection for the urban bridge is realized.
Description
Technical field
The invention belongs to the bridge technology field, be specifically related to a kind of attaching folding protective cover of Urban Bridge.
Background technology
At present; The fast development that city expressway system, urban elevated road system, urban track traffic and urban intersect is increasingly high to the grade separation traffic system degree of dependence that sealing, nothing suspend traffic, and makes no matter municipal bridge has still quantitatively all obtained unprecedented great development in scale.
For this type of Urban Bridge, sleety weather can affect greatly traffic safety and traffic order, mainly comprises following factor:
When (1) snowing, snowflake hinders driver's sight line; During heavy or torrential rain, rainwater can hinder driver's sight line equally;
(2) the access section of city intersection or elevated bridge is provided with bigger longitudinal gradient, because accumulated snow or rainwater make the adhesive power of vehicle tyre and bridge floor descend, is difficult to guarantee vehicle handling stability when making vehicle climbing or braking, is prone to bring out traffic accident;
(3) after sleety weather, especially for the northern city in winter, bridge floor freezes easily, can cause attachment coefficient sharply to reduce, and vehicle can produce sideslip and cause traffic accident and traffic jam;
(4) Urban Bridge can experience early, two traffic peak periods of evening, vehicle flowrate is huge in this period, very high density, if meet sleety weather, the probability that then produces serious traffic jam can doubly increase by progression.
In a word; Behind sleety weather; Not only because city intersection ring road or the wet and slippery easy initiation traffic accident of viaduct access place's bridge floor; Becoming influences bridge especially overhead road of city or the current fast principal element of grade separation bridge; And night the Facing Movement vehicle glare problem more aggravated this contradiction, make city intersection or elevated bridge become the port blocked of urban traffic system, these are kept the normal traffic capacity all for the modern city road, ensure that unimpeded and convenient traffic has brought big pressure.
In existing technical field, the method for tackling this problem all is passive and passive.Like some cities after sleety weather; In time broadcast sowing chemical substance such as a large amount of deicer salts and drop into great amount of manpower and material resources cleaning bridge floor icing to prevent road and bridge at bridge floor; In the sleet process, then be stymied by; The Urban Bridge traffic status worsens, and brings bigger pressure also for traffic police department and vehicle supervision department.
On the other hand, chemical substances such as these deicer salts have bigger corrosion function to wearing floor and waterproofing course, can produce the durability of bridge after for years to seriously influence very much.Simultaneously, consider the continuity of Urban Bridge traffic flow and the bimodality of peak period, the effect that this passive protection mode can play is extremely limited.
It is pedestal with the guardrail that the part Urban Bridge is also arranged, and the imitation tunnel cross-section is provided with permanent hangar tunnel on bridge floor, and this belongs to the initiatively category of protection.Though this technology part solution is considered rain, snow situation and is descended the traffic safety problem of bridge floor; But in the daily operation of Urban Bridge; A large amount of Vehicular exhausts and toxic and harmful can't dissipations and caused ventilation and the air quality and the problem of environmental pollution of bridge, also caused harm to a certain degree for the pedestrian simultaneously.In addition, in time remove covering accumulated snow later at sleet, not only require work high above the ground but also can't realize the machinery cleaning, these have caused bigger threat and have increased workload and work difficulty greatly also for environmental sanitation personnel's personal safety.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art; The object of the present invention is to provide a kind of attaching folding protective cover of Urban Bridge; Integrate functions such as snow defence, anti-skidding, anti-dazzle, and satisfy, guaranteed to realize effectively initiatively protection down in that weather forecast is auxiliary from snow removing, draining, ventilation function and pedestrian requirement to air ambient; Being to realize the unimpeded orderly basic assurance of urban traffic, also is to adapt to the needs of building modern green city traffic policy guiding.
In order to achieve the above object, the technical scheme of the present invention's employing is:
Urban Bridge attaching folding protective cover; Be arranged on the bent cap 6 on Urban Bridge bridge pier 5 and bridge pier 5 tops; Symmetry Urban Bridge axis is provided with the door type framework that two Pin are made up of door frame column 2-4 and vertical binder 2-5; The top of each door frame column 2-4 all is provided with roll shaft 2-6 and is used for supporting and fixed bearing pull rope 4-1; Vertically the vertical purlin 3-2 of purlin 3-1 and half arc connects and composes lattice; Fixedly the unrestrained plate of arc PC promptly constitutes half arc roof structure as roofing on the lattice node, and the cuff 3-5 that an end of roof structure is provided with through vertical purlin 3-2 bottom is fixed in vertical binder 2-5 and goes up and vertical binder 2-5 co-rotation, and the other end of roof structure and pull rope 4-1 get in touch; Pull rope 4-1 is connected to the pulling equipment system, and it stretches by the control of pulling equipment system, makes that roof structure is that open and closure in the axle center with vertical binder 2-5.
The bent cap 6 on bridge pier 5 and bridge pier 5 tops is provided with triangle-frame type structure; Said triangle-frame type structure is through triangle-frame anchor ear 1-6 is set on bridge pier 5; Triangle-frame anchor ear 1-6 goes up through two symmetrical triangular framework battered legs and supports the below, two ends that 1-4 is connected to triangle-frame horizon bar 1-1 respectively; The centre position of triangle-frame horizon bar 1-1 is close to through horizon bar reaming bolt 1-7 and bent cap 6 side elevations, and two door frame column 2-4 are arranged at respectively above the two ends of triangle-frame horizon bar 1-1.
Said triangle-frame anchor ear 1-6 is two parts, fills the span of a man's arms on bridge pier 5, closes up the back and is connected with bridge pier 5 through chemical anchor bolts, and the seam of triangle-frame anchor ear 1-6 is perpendicular to bent cap 6.
The bent cap 6 on bridge pier 5 and bridge pier 5 tops is provided with steel bent cap type structure; Said steel bent cap type structure is through steel bent cap anchor ear 1-8 is set on bridge pier 5; Steel bent cap panel 1-11 is set in bent cap 6 both sides; The bottom of steel bent cap panel 1-11 meets the horizontal supporting plate 1-10 of anchor ear, and the horizontal supporting plate 1-10 of anchor ear soffit connects steel bent cap anchor ear 1-8 through the anchor ear floor 1-9 that puts more energy into, and the anchor ear floor 1-9 that puts more energy into is arranged at steel bent cap anchor ear 1-8 side; Cylindrical center's radiation around bridge pier 5 is arranged, and two door frame column 2-4 are arranged at respectively above the two ends of steel bent cap panel 1-11.
Said steel bent cap anchor ear 1-8 is two parts, fills the span of a man's arms on bridge pier 5, closes up the back and is connected with bridge pier 5 through chemical anchor bolts, and the seam of steel bent cap anchor ear 1-8 is perpendicular to bent cap 6.
Said half arc roof structure top is coated with curtain 3-4; Control the position, one-sided arc top that curtain device 3-3 is arranged at half arc roof structure that furls of curtain 3-4; Can under the closed duty of roof system, fall curtain 3-3, open under the duty at roof system and pack up curtain 3-3.
Said pulling equipment system comprises local controller 4-3; Local controller 4-3 connects control device 4-4 and remote controllers 11 respectively; Remote controllers 11 connect solenoid-operated switch 1, solenoid-operated switch 2 15 and sleet sensor 10 respectively; Solenoid-operated switch 1 meets drive motors 4-5, and the drive motors 4-5 signal of receiving control device 4-4 simultaneously realizes the control to pull rope 4-1, and solenoid-operated switch 2 15 connects and furls curtain device 3-3.
In sum, Urban Bridge attaching folding protective cover of the present invention is made up of the substructure that is attached to existing bridge pier and the frame construction, lightweight arc roof system and pulling equipment system four major parts that are supported on the substructure platform jointly,
The substructure of described two kinds of forms can be selected for use respectively or makes up and select for use according to the concrete condition of Urban Bridge: for the bridge of or down the no vehicle pass-through requirement of bridge higher for under-clearance; First-selected triangle-frame type (A type) substructure; Because triangle-frame type (A type) when construction can with horizon bar with lift by crane simultaneously after two oblique battered leg support bars are connected in advance; Horizon bar is installed earlier; Subsequently two battered leg support bars are connected with anchor ear on being preset in bridge pier and can accomplish triangle-frame and install, the speed of setting up influences traffic soon and not.Simultaneously, triangle-frame type (A type) has the advantages that structure is light and handy, steel using amount is little and economy is high.When intricate the and multidirectional crisscross traffic demand of road is arranged under the low and bridge when the bridge headroom under multiple pipeline obstacle, the bridge; The battered leg of triangle-frame type (A type) supports the current gauge of invading vehicle under the bridge; When the bridge down train is constituted interference, need to adopt steel bent cap type (Type B) substructure form, this structure is attached to existing bridge construction; All noiseless to bridge floor driving and bridge down train, and can satisfy the requirement of supporting load and self stability.
Useful technique effect of the present invention is:
1, the present invention can be provided with on existing bridge construction, set up easy for installation, all noiseless to bridge floor driving and bridge down train, not only saved huge foundation base configuration, and practiced thrift space under rare day by day urban land resource and the bridge greatly.
2, under the closed duty of roof system, integrate active safeguard function such as rain and snow, anti-skidding, anti-dazzle and protect smooth function.The more important thing is; Under roof system unlatching duty, not only can satisfy ventilation, waste discharge gas, drain function and pedestrian requirement to air ambient; But also can effectively get rid of accumulated snow; Greatly reduce environmental sanitation personnel's working strength, reduced high-altitude snow removing risk, have high social.
3, use is easy to operate; Control mode is flexible, and intelligent degree is high, can be according to different periods and sleety weather situation; Through remote controllers or local controller the unlatching and the closed duty of protective cover are controlled respectively, can be carried out the manual intervention operation according to emergency case simultaneously.
Description of drawings
Fig. 1 is facade structures sketch map (the substructure type A: triangle-frame type substructure) of the closed duty of the present invention.
Fig. 2 is the side elevation structural representation of Fig. 1.
Fig. 3 is facade structures sketch map (the substructure type A: triangle-frame type substructure) that the present invention opens duty.
Fig. 4 is the side elevation structural representation of Fig. 3.
Fig. 5 is facade structures sketch map (the substructure type B: steel bent cap type substructure) of the closed duty of the present invention.
Fig. 6 is the side elevation structural representation of Fig. 5.
Fig. 7 is facade structures sketch map (the substructure type B: steel bent cap type substructure) that the present invention opens duty.
Fig. 8 is the side elevation structural representation of Fig. 7.
Fig. 9 is the control flow block diagram of tractor electric system.
The specific embodiment:
Through accompanying drawing technical scheme of the present invention is done further detailed description below, but the invention is not restricted to these embodiments.
For ease of statement, the present invention has illustrated a separate unit being provided with between two bridge piers, and complete protective cover can be assembled between the multispan bridge by single or a plurality of separate units.
Embodiment one
As depicted in figs. 1 and 2, Urban Bridge attaching folding protective cover substructure type A is a triangle-frame type substructure.The bottom triangle-frame is that triangle-frame anchor ear 1-6 is set on bridge pier 5; Triangle-frame horizon bar 1-1 is set on bent cap 6; The span centre position of bottom triangle-frame horizon bar 1-1 is reserved with horizon bar reaming bolt 1-7; Horizon bar reaming bolt 1-7 only guarantees that triangle-frame horizon bar 1-1 and bent cap 4 side elevations are close to and gets final product, and allows after the loading certain small changing of the relative positions displacement takes place.The below at triangle-frame horizon bar 1-1 two ends is respectively arranged with batten plate 1-2 under the horizon bar; Batten plate 1-2 connects battered leg support upper junction plate 1-3 under the horizon bar; Battered leg supports upper junction plate 1-3 and connects the upper end that bottom triangle-frame battered leg supports 1-4, and the lower end that bottom triangle-frame battered leg supports 1-4 is connected to bottom triangle-frame anchor ear 1-6 through battered leg support lower connecting plate 1-5, thereby forms the closure frame structure; Its middle and lower part triangle-frame anchor ear 1-6 is two parts; Fill the span of a man's arms on bridge pier 5, the anchor ear seam is perpendicular to bent cap 6, and bottom triangle-frame anchor ear 1-6 is arranged on the bridge pier 5 through chemical anchor bolts.
Superstructure door type framework is symmetrical in the bridge axis two Pin is set.Single Pin framework is provided with batten plate 2-1 on the horizon bar respectively above adjacent two pier triangle-frame horizon bar 1-1, batten plate 2-1 top connects door frame column 2-4 with batten plate bolt 2-2 on the horizon bar on the horizon bar, and batten plate bolt 2-2 adopts high-strength bolt on the horizon bar.Door frame column 2-4 is the rectangle steel box column, and the bottom of door frame column 2-4 is welded with the door frame column floor 2-3 that puts more energy into.Certain position place, door frame column 2-4 middle part is provided with vertical binder 2-5, the position is set will takes all factors into consideration girder 7 building heights with driving boundary 8 height and leave certain safe clearance and confirm.Vertically binder 2-5 is a high strength steel pipe; Dock after passing the hole that top door frame column 2-4 correspondence position reserves at two ends; Vertically binder 2-5 diameter of steel tube should be slightly less than the hole diameter of the hole of top door frame column 2-4 reservation; Can guarantee that vertical binder 2-5 freely rotates, its vertical cutting length is directly confirmed according to bridge span between adjacent two bridge piers.The top of door frame column 2-4 is symmetrical set roll shaft 2-6, and roll shaft 2-6 and door frame column 2-4 two sides, top are welded to connect, and the roll shaft section is smooth cambered surface, passes and support pull rope 4-1 on it.
The arc roof system is formed lattice by vertical purlin 3-2 and vertical purlin 3-1, and vertically purlin 3-2 is processed into half arc, and the bottom is provided with cuff 3-5 and is fixed on vertical binder 2-5, can with vertical binder 2-5 co-rotation.Vertically purlin 3-1 according to bridge stride the different customizable different sizes in footpath, on the lattice node fixedly the unrestrained plate of lightweight arc PC as roofing.One-sided arc top is provided with and can furls curtain device 3-3, can under the closed duty of roof system, fall curtain 3-4, and the dazzle that can effectively shield Facing Movement vehicle light at night is disturbed.
The workflow of pulling equipment system is as shown in Figure 9; Comprise local controller 4-3; Local controller 4-3 connects control device 4-4 and remote controllers 11 respectively; Remote controllers 11 connect solenoid-operated switch 1, solenoid-operated switch 2 15 and sleet sensor 10 respectively; Solenoid-operated switch 1 meets drive motors 4-5, and the drive motors 4-5 signal of receiving control device 4-4 simultaneously realizes the control to pull rope 4-1, and solenoid-operated switch 2 15 connects and furls curtain device 3-3; Wherein can also carry out radio communication through wireless communication module 1 between solenoid-operated switch 1 and the remote controllers 11, can also carry out radio communication through wireless communication module 2 14 between solenoid-operated switch 2 15 and the remote controllers 11.
Local controller 4-3, control device 4-4, drive motors 4-5 and driven wheel 4-6 are integrated into the traction electromechanical equipment system and are symmetricly set in horizon bar 1-1 both sides; Pull rope 4-1 one end is connected with driven wheel 4-6; The other end is connected with the lifting bolt 4-2 that is fixed in the roof system top.
When running into wet weather or snow weather; Can carry out Long-distance Control with wireless communication mode to solenoid-operated switch 1 by remote controllers 11; Driving driven wheel 4-6 through drive motors 4-5 rotates; Thereby make both sides pull rope 3-1 elongation, both sides half arc roof system is closed, forms closed protective cover.Simultaneously, the dazzle of shielding Facing Movement vehicle.
Also can detect sleet in real time and synchronously its detection signal is sent to local controller 4-3 by sleet sensor 10; Through control device 4-4 turning to of drive motors 4-5 adjusted; Rotate thereby drive driven wheel 4-6, realize both sides pull rope 3-1 elongation.
When considering Urban Bridge traffic festivals or holidays characteristics or meeting special circumstances, also can carry out manual intervention, the closed duty of control protective cover through hand control switch 9.
Accordingly, when bright and clear, with wireless communication mode solenoid-operated switch 2 15 is carried out Long-distance Control, realize that the curtain device 3-3 that furls that is arranged at roof system arc top packs up curtain through remote controllers 11 and wireless communication module 2 14 as if daytime.When sleety weather finishes, after through control device 4-4 turning to of drive motors 4-5 being adjusted once more, can drive driven wheel 4-6 and rotate, realize that both sides pull rope 3-1 shrinks, open thereby drive both sides half arc roof system.Like Fig. 3 and shown in Figure 4, after roof system opened, accumulated snow is landing removing voluntarily under action of gravity, guaranteed effectively to get rid of toxic gases such as various vehicle exhausts simultaneously, had ensured current environment.
Embodiment two
Like Fig. 5 ~ shown in Figure 8, Urban Bridge attaching folding protective cover substructure type B is a steel bent cap type substructure.Bottom steel bent cap is on the bent cap 6 on bridge pier 5 and bridge pier 5 tops; Steel bent cap anchor ear 1-8 is set on bridge pier 5, and steel bent cap anchor ear 1-8 is two parts, fills the span of a man's arms on bridge pier 5; The anchor ear seam is perpendicular to bent cap 6, and steel bent cap anchor ear 1-8 closes up the back and is connected with bridge pier 5 through chemical anchor bolts.Steel bent cap panel 1-11 is set in bent cap 6 both sides, and the two ends of steel bent cap panel 1-11 are provided with steel bent cap bulkhead 1-14, have the steel bent cap to connect batten plate 1-15 on the lower bevel.Steel bent cap reaming bolt 1-16 is reserved at steel bent cap panel 1-11 span centre position, and steel bent cap reaming bolt 1-16 only guarantees that steel bent cap panel 1-11 and bent cap 6 side elevations are close to and get final product, allows to load the certain small changing of the relative positions of generation afterwards.Be provided with horizontal supporting plate 1-12 under the steel bent cap in the bottom of steel bent cap panel 1-11; Be positioned under the steel bent cap horizontal supporting plate 1-12 top position on the bent cap 6 and be provided with the steel bent cap floor 1-13 that puts more energy into; Horizontal supporting plate 1-12 under steel bent cap stiffening rib 1-13 plate contact steel bent cap panel 1-11 and the steel bent cap is with the two quadrature arrangement.Horizontal supporting plate 1-12 is connected with the horizontal supporting plate 1-10 of anchor ear on steel bent cap anchor ear 1-8 top under the steel bent cap.Steel bent cap anchor ear 1-8 side is positioned at the horizontal supporting plate 1-10 of anchor ear lower position and is provided with the anchor ear floor 1-9 that puts more energy into, and the said anchor ear floor 1-9 that puts more energy into connects bottom steel bent cap anchor ear 1-8 and the horizontal supporting plate 1-10 of anchor ear, around cylindrical center's radiation layout of bridge pier 5.
Described superstructure door type frame construction, lightweight arc roof system and pulling equipment system are evenly identical with embodiment one.
Batten plate 1-2 under bottom triangle-frame horizon bar 1-1 of the present invention, the horizon bar, battered leg support upper junction plate 1-3, bottom triangle-frame battered leg support 1-4, battered leg support under lower connecting plate 1-5, steel bent cap panel 1-11, the steel bent cap horizontal supporting plate 1-12, steel bent cap put more energy into floor 1-13, steel bent cap bulkhead 1-14, steel bent cap connect batten plate 1-15, top door frame column put more energy into floor 2-3, top door frame column 2-4, vertically binder 2-5 all adopts high strength steel Q345 to make, and can guarantee the requirement of bearing capacity and structural stability.
Claims (7)
1. Urban Bridge attaching folding protective cover; Be arranged on the bent cap (6) on Urban Bridge bridge pier (5) and bridge pier (5) top; It is characterized in that; Symmetry Urban Bridge axis is provided with two Pin by door frame column (2-4) be connected in the door type framework that the vertical binder (2-5) on the door frame column (2-4) is formed; The top of each door frame column (2-4) all is provided with roll shaft (2-6) and is used for supporting and fixed bearing pull rope (4-1); Vertically purlin (3-1) connects and composes lattice with the vertical purlin (3-2) of half arc, and fixedly the unrestrained plate of arc PC promptly constitutes half arc roof structure as roofing on the lattice node, and the cuff (3-5) that an end of roof structure is provided with through vertical purlin (3-2) bottom is fixed in vertical binder (2-5) and goes up and vertical binder (2-5) co-rotation; The other end of roof structure and pull rope (4-1) contact; Pull rope (4-1) is connected to the pulling equipment system, and it stretches by the control of pulling equipment system, makes that roof structure is that open and closure in the axle center with vertical binder (2-5).
2. according to the said Urban Bridge attaching of claim 1 folding protective cover; It is characterized in that; The bent cap (6) on bridge pier (5) and bridge pier (5) top is provided with triangle-frame type structure; Said triangle-frame type structure is through triangle-frame anchor ear (1-6) is set on bridge pier (5); Triangle-frame anchor ear (1-6) is gone up through two symmetrical triangular framework battered legs and is supported the below, two ends that (1-4) is connected to triangle-frame horizon bar (1-1) respectively; The centre position of triangle-frame horizon bar (1-1) is close to through horizon bar reaming bolt (1-7) and bent cap (6) side elevation, and two door frame columns (2-4) are arranged at the top, two ends of triangle-frame horizon bar (1-1) respectively.
3. according to the said Urban Bridge attaching of claim 2 folding protective cover; It is characterized in that; Said triangle-frame anchor ear (1-6) is two parts; Fill the span of a man's arms on bridge pier (5), close up the back and be connected with bridge pier (5) through chemical anchor bolts, the seam of triangle-frame anchor ear (1-6) is perpendicular to bent cap (6).
4. according to the said Urban Bridge attaching of claim 1 folding protective cover; It is characterized in that; The bent cap (6) on bridge pier (5) and bridge pier (5) top is provided with steel bent cap type structure; Said steel bent cap type structure is through steel bent cap anchor ear (1-8) being set on bridge pier (5), in bent cap (6) both sides steel bent cap panel (1-11) being set, and the bottom of steel bent cap panel (1-11) connects the horizontal supporting plate of anchor ear (1-10); The horizontal supporting plate of anchor ear (1-10) soffit connects steel bent cap anchor ear (1-8) through the anchor ear floor (1-9) of putting more energy into; The anchor ear floor (1-9) of putting more energy into is arranged at steel bent cap anchor ear (1-8) side, arrange around cylindrical center's radiation of bridge pier (5), and two door frame columns (2-4) is arranged at the top, two ends of steel bent cap panel (1-11) respectively.
5. according to the said Urban Bridge attaching of claim 4 folding protective cover; It is characterized in that said steel bent cap anchor ear (1-8) is two parts, fill the span of a man's arms on bridge pier (5); Close up the back and be connected with bridge pier (5) through chemical anchor bolts, the seam of steel bent cap anchor ear (1-8) is perpendicular to bent cap (6).
6. according to the said Urban Bridge attaching of claim 1 folding protective cover; It is characterized in that; Said half arc roof structure top is coated with curtain (3-4), controls the position, one-sided arc top that curtain device (3-3) is arranged at half arc roof structure that furls of curtain (3-4).
7. according to the said Urban Bridge attaching of claim 6 folding protective cover; It is characterized in that; Said pulling equipment system comprises local controller (4-3); Local controller (4-3) connects control device (4-4) and remote controllers (11) respectively, and remote controllers (11) connect solenoid-operated switch one (13), solenoid-operated switch two (15) and sleet sensor (10) respectively, and solenoid-operated switch one (13) connects drive motors (4-5); Drive motors (4-5) signal of receiving control device (4-4) is simultaneously realized the control to pull rope (4-1), and solenoid-operated switch two (15) connects and furls curtain device (3-3).
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| CN103615271A (en) * | 2013-12-02 | 2014-03-05 | 中煤北京煤矿机械有限责任公司 | Protective device for stand column |
| CN105803958A (en) * | 2016-05-18 | 2016-07-27 | 无锡市翱宇特新科技发展有限公司 | Highway snow retaining device |
| CN106677052A (en) * | 2017-02-08 | 2017-05-17 | 王钰 | Closed bridge |
| CN106801385A (en) * | 2017-03-24 | 2017-06-06 | 史洋昊 | The system that a kind of empty iron prevents disaster caused by a windstorm |
| CN108035236A (en) * | 2018-01-11 | 2018-05-15 | 上海市城市建设设计研究总院（集团）有限公司 | Overhead bridge structure with open and close type ceiling |
| CN110295537A (en) * | 2019-07-02 | 2019-10-01 | 中冶南方工程技术有限公司 | A kind of bridge adds the base unit of sound barrier |
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| CN101644034A (en) * | 2009-08-24 | 2010-02-10 | 长安大学 | Snow shelter for connecting bridges between tunnels |
| CN101864740A (en) * | 2009-12-02 | 2010-10-20 | 中交公路规划设计院有限公司 | Movable windbreak for bridge |
| CN102277835A (en) * | 2011-05-10 | 2011-12-14 | 中铁九局集团有限公司 | Method for constructing single-column bent cap by adopting hoop and A-frame composite system |
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| CN103132446A (en) * | 2012-12-13 | 2013-06-05 | 刘世海 | Adjustable canopy type connecting bridge |
| CN103615271A (en) * | 2013-12-02 | 2014-03-05 | 中煤北京煤矿机械有限责任公司 | Protective device for stand column |
| CN103615271B (en) * | 2013-12-02 | 2016-05-04 | 中煤北京煤矿机械有限责任公司 | Protection device of column |
| CN105803958A (en) * | 2016-05-18 | 2016-07-27 | 无锡市翱宇特新科技发展有限公司 | Highway snow retaining device |
| CN106677052A (en) * | 2017-02-08 | 2017-05-17 | 王钰 | Closed bridge |
| CN106677052B (en) * | 2017-02-08 | 2019-04-12 | 王钰 | A kind of closed bridge |
| CN106801385A (en) * | 2017-03-24 | 2017-06-06 | 史洋昊 | The system that a kind of empty iron prevents disaster caused by a windstorm |
| CN108035236A (en) * | 2018-01-11 | 2018-05-15 | 上海市城市建设设计研究总院（集团）有限公司 | Overhead bridge structure with open and close type ceiling |
| CN110295537A (en) * | 2019-07-02 | 2019-10-01 | 中冶南方工程技术有限公司 | A kind of bridge adds the base unit of sound barrier |
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