CN105856404B - A kind of two-sided spray equipment and method of high ferro precast bridge - Google Patents
A kind of two-sided spray equipment and method of high ferro precast bridge Download PDFInfo
- Publication number
- CN105856404B CN105856404B CN201610401397.4A CN201610401397A CN105856404B CN 105856404 B CN105856404 B CN 105856404B CN 201610401397 A CN201610401397 A CN 201610401397A CN 105856404 B CN105856404 B CN 105856404B
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- spray
- switch board
- tube
- walking mechanism
- bridge
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/247—Controlling the humidity during curing, setting or hardening
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Special Spraying Apparatus (AREA)
Abstract
This patent discloses a kind of two-sided spray equipments of high ferro precast bridge, including water tank, water pump, spray tube and walking mechanism, it is characterized in that, water pump connects water tank and spray tube, spray tube includes top surface spray group and bottom surface spray group, and top surface spray group is T-type, the gap of the VERTICAL TUBE of T-type across adjacent two beams flank, nozzle is arranged in the pipe anyhow of T-type, and top surface spray group to precast bridge top surface for carrying out moistening and lowering temperature；Bottom surface spray group to precast bridge bottom surface for carrying out moistening and lowering temperature.Simple structure and reasonable design, intelligence degree are high and using easy to operate, save artificial, and spray is efficient, and maintenance effect is good.
Description
Technical field
The present invention relates to a kind of curing systems, more particularly, to a kind of curing system of high ferro precast bridge.
Background technology
High ferro precast bridge is prefabricated to use C50 high performance concretes, after concreting, why can gradually condense hard
Change, is primarily due to the result of concrete hydrating effect.And hydration then needs temperature and humidity condition appropriate, therefore
In order to ensure that concrete has suitable curing condition, its intensity is made constantly to enhance, it is necessary to carry out spray maintenance to concrete.It is mixed
After solidifying soil cast, such as hot climate is air-dried, and carries out spray maintenance not in time, and moisture can evaporate too fast, shape in concrete
At dehydrating phenomena, the cement granules for having formed gelinite can be prevented from abundant aquation, stable crystallization cannot be converted into, lack foot
Enough cohesive forces, to sheet occur in concrete surface or powdery falls off.In addition, not yet having in concrete enough
When intensity, moisture it is premature evaporation also will produce larger contraction distortion, there is cup shake, influence concrete durability and
Globality.So the maintenance of initial stage is extremely important after concreting, should be conserved immediately after concrete final set.
Currently, the fixing device used in the curing means of high ferro precast bridge, nozzle is immovable, and sprinkling region is solid
It is fixed.It is more in order to cover all sprinkling region, the quantity that nozzle is arranged；Each nozzles spray region there must be cross-operation, right
The consumption of water is big, waste of resource；In the presence of sprinkling dead angle, spray maintenance effect is bad.Although can be solved using manual method maintenance
The problem of certainly spraying dead angle, but needs to climb up to climb down, the height of precast bridge is liftoff generally at 4-5 meters, extremely dangerous, time-consuming to take
Power, inefficient, cost greatly increases.
204450828 U application numbers 201520108524.2 of Chinese patent notification number disclose a kind of high ferro precast bridge
Curing system, as shown in Figure 1, including spray equipment in the case for being sprayed in the case to segment bridge, for segment bridge
The outer left side spray equipment of case that the outer left side of the case of beam sprays and the case external right side for the case external right side spray to segment bridge spray
Shower device, the outer left side spray equipment of the case and case external right side spray equipment are symmetrical arranged, the outer left side spray equipment of the case and
The structure of case external right side spray equipment it is identical and include walking mechanism, the outer spray tube of case and for the outer spray tube of driving box along
Spray tube drive device outside the case slided at the top of walking mechanism, the outer spray tube of the case is arranged at the top of walking mechanism, described
Multiple casees outer spray head is installed, the outer spray tube driving of the case is arranged in walking mechanism on the outer spray tube of case.Although solving
The problem of mobile spray, but water source is fixed, and is connected by the water source of hose and maintenance water, certainly will cannot be satisfied more over long distances
The maintenance of Duan Qiaoliang, operating distance are limited by the length of hose；The maintenance of the inner space of precast bridge and the maintenance of flank
Temperature and humidity requires different, and flank is thin to be opened wide exposed more completely, needs the secondary moistening and lowering temperature of multifrequency, and inner space then almost without
It needs to humidify, which but cannot be distinguished from treating；Moistening and lowering temperature maintenance can not be carried out to the upper surface of bridge, and upper surface directly connects
By insolation, it is especially desirable to conserve；The problems such as cumbersome, high failure rate that additionally there are structures, intelligence degree be low.
Invention content
It is an object of the invention to overcome above-mentioned deficiency in the prior art, a kind of two-sided spray of high ferro precast bridge is provided
Shower device, simple structure and reasonable design, intelligence degree are high and using easy to operate, save artificial, and spray is efficient, supports
It is good to protect effect.
To achieve the above object, the technical solution adopted by the present invention is：A kind of two-sided spray equipment of high ferro precast bridge,
Including water tank, water pump, spray tube and walking mechanism, which is characterized in that it includes top surface that water pump, which connects water tank and spray tube, spray tube,
Spray group and bottom surface spray group, top surface spray group are T-type, the gap of the VERTICAL TUBE of T-type across adjacent two beams flank, T-type
Pipe anyhow be arranged nozzle, top surface spray group for precast bridge top surface carry out moistening and lowering temperature；Bottom surface spray group is for pre-
Bridge bottom surface processed carries out moistening and lowering temperature, the bottom surface spray group following settings recorery parachute, and the recorery parachute setting passes back into water tank
Conduit, the bottom surface spray group is set as curved arch compatible with the shape of bridge flank bottom surface, and the curved arch is along institute
It is symmetrical to state VERTICAL TUBE, nozzle is set to curved arch spray tube, and the bottom surface spray group includes two pipe top nozzles and two sides
Nozzle, the spray tube are assembled using seperated segmented method, and each branch pipe connects into one using bend pipe, tieing or threeway
Solenoid valve is arranged in body, the spray tube, and the solenoid valve is connected with switch board, and the walking mechanism includes track and wheel, is moved
Power-driven system drives wheel orbital motion, power-driven system to be connected with switch board, the fixed induction point of track setting,
It is set to walking mechanism with the inductor of fixed induction point pairing, inductor senses that signal is transmitted to control by fixed induction point
Cabinet, the switch board connect remote controler, the work of remote control device switch board by remote signal.
A kind of working method of the two-sided spray equipment of high ferro precast bridge, which is characterized in that include the following steps：
Remote control device switch board, switch board control the work of power-driven system work or manually opened dynamical system
It switchs, power-driven system drives vehicle wheel rotation, walking mechanism to move ahead along track, while the step of warning lamp opens flicker；
Inductor odd-times in walking mechanism senses fixed induction point, and signal is transmitted to switch board, switch board control
Power-driven system drives the step of pump working；
Water pump drives water in water tank to be sprayed from nozzle by spray tube, and moistening and lowering temperature maintenance is carried out to bridge top and bottom
The step of；
The step of water part that nozzle sprays falls into recorery parachute, water tank is passed back by the conduit of recorery parachute；
Inductor even-times in walking mechanism senses fixed induction point, and signal is transmitted to switch board, switch board control
The step of power-driven system driving water pump is stopped；
Remote control device switch board, switch board control power-driven system is stopped or manually opened dynamical system
Operating switch, walking mechanism is parked in the track, while the step of warning lamp is closed；
Further include that remote controler turns off or on solenoid valve by remote signal, or is turned off manually or opens spray tube point
The step of valve in branch.
Compared with the prior art, the present invention has the following advantages：
1, the configuration of the present invention is simple, reasonable design and use are easy to operate, can be carried out to the top bottom upper and lower surface of bridge
Spray.
2, the present invention by walking mechanism makes spray tube be slided according to trapped orbit, with the mobile forming face of line, to maintenance
Area carries out comprehensive, uniformly spray maintenance, does not spray dead angle, water resource is greatly saved.
3, the present invention can control the sprinkling access of each branch of spray tube each group by solenoid valve or hand-operated valve according to demand, return
Remaining water can be recycled by closing one's umbrella, and keep the clean and tidy of working environment, water source is rationally utilized, prevent water resource waste.
4, present invention spray is efficient, and maintenance effect is good, and the present apparatus can be used cooperatively with temperature and humidity control system,
Realize fully-automatic sprinkling maintenance work.
Below by drawings and examples, the present invention is described in further detail.
Description of the drawings
Fig. 1 is the usage state diagram of the prior art.
Fig. 2 is the structural schematic diagram of the present invention.
Fig. 3 is side structure schematic view.
Fig. 4 is a kind of example structure schematic diagram of bottom surface spray group.
Fig. 5 mechanism process schematics in order to control.
Fig. 6 is another example structure schematic diagram of bottom surface spray group.
Fig. 7 is swivel nozzle structural schematic diagram.
Fig. 8 is remote controler schematic diagram.
Reference sign:
1-water tank；2-water pumps；3-spray tubes；4-walking mechanisms；5-nozzles；6-power-driven systems；7—
Recorery parachute；8-switch boards；9-remote controlers；10-warning lamps；11-arched tops；12-pedestals；13-cases；
31-top surface spray groups；32-bottom surface spray groups；33-threeways；34-solenoid valves；
311-VERTICAL TUBEs；312-manage anyhow；
321-322-side nozzles of pipe top nozzle；323-horizontal horizontal tubes；324-vertical vertical tubes；325-lateral tubes；
41-tracks；42-wheels；43-induction points；44-inductors；
51-interior central siphons；52-rotary sleeves；53-spouts；
71-conduits.
Specific implementation mode
As shown in Figure 1, a kind of two-sided spray equipment of high ferro precast bridge of the present invention, including water tank 1, water pump 2, spray tube
3 and walking mechanism 4, water pump 2 connects water tank 1 and spray tube 3, and spray tube 3 includes top surface spray group 31 and bottom surface spray group 32,31
Top surface spray group is T-type, and the setting of pipe anyhow 312 in the gap of the VERTICAL TUBE 311 of T-type across adjacent two beams flank, T-type is sprayed
Mouth 5, top surface spray group 31 are used to carry out moistening and lowering temperature to precast bridge top surface；Bottom surface spray group 32 is used for precast bridge bottom surface
Carry out moistening and lowering temperature, the movement of the mobile drive nozzle 5 of walking mechanism 4 relative to Bridge position, the water pump 2 and power drive
System 6 is connected, the 32 following settings recorery parachute 7 of bottom surface spray group, and the conduit 71 for passing back into water tank is arranged in the recorery parachute 7,
The bottom surface spray group 32 is set as curved arch compatible with the shape of bridge flank bottom surface, and the curved arch is along described vertical
Pipe 311 is symmetrical, and nozzle 5 is set to curved arch spray tube, and the bottom surface spray group 32 includes two pipe top nozzles 321 and two
Side nozzle 322, the spray tube 3 are assembled using seperated segmented method, and each branch pipe is connected using bend pipe, tieing or threeway 33
It is connected into one, solenoid valve 34 is arranged in the spray tube, and the solenoid valve 34 is connected with switch board 8, and the walking mechanism 4 includes rail
Road 41 and wheel 42, power-driven system 6 drive wheel 42 to be moved along track 41, and power-driven system 6 is connected with switch board 8,
The fixed induction point 43 of the setting of the track 41, the inductor 44 matched with fixed induction point 43 are set to walking mechanism, inductor
44 sense that signal is transmitted to switch board 8 by fixed induction point 43, and the switch board 8 connects remote controler 9, remote control by remote signal
9 remote control cabinet 8 of device works.
A kind of working method of the two-sided spray equipment of high ferro precast bridge, which is characterized in that include the following steps：
9 remote control cabinet 8 of remote controler, switch board 8 control the work of power-driven system 6 or manually opened dynamical system
Operating switch, power-driven system 6 drive wheel 42 rotate, walking mechanism 4 along track 41 move ahead, while warning lamp 10 open dodge
Bright step；
44 odd-times of inductor in walking mechanism senses fixed induction point 43, and signal is transmitted to switch board 8, switch board
The step of 8 control power-driven systems 6 drive water pump 2 to work；
Water pump 2 drives water in water tank 1 to be sprayed from nozzle 5 by spray tube 3, and moistening and lowering temperature is carried out to bridge top and bottom
The step of maintenance；
The step of water part that nozzle 5 sprays falls into recorery parachute 7, water tank is passed back by the conduit 71 of recorery parachute 7；
44 even-times of inductor in walking mechanism senses fixed induction point 43, and signal is transmitted to switch board 8, switch board
The step of 8 control power-driven systems 6 drive water pump 2 to be stopped；
9 remote control cabinet 8 of remote controler, the control power-driven system 6 of switch board 8 is stopped or manually opened power
The operating switch of system, walking mechanism 4 are parked in the track 41, while the step of warning lamp 10 is closed；
Further include that remote controler 9 turns off or on solenoid valve 34 by remote signal, or is turned off manually or opens spray tube
The step of valve in 3 branches.
The conduit 71 can overflow at the same time as the overflow pipe of water tank 1 when water level rise trunkful in water tank 1 from overflow pipe
Go out, operating personnel can judge water level from overflow pipe.
Multiple nozzles 5 are uniformly installed, the linear displacement sprayed because of walking mechanism to bridge two sides on the spray tube 3
Become face property spray, spray range does not stay dead angle extensively；
The nozzle 5 is atomization churning mouth, is made of interior central siphon 51, rotary sleeve 52, spout 53, interior central siphon 51 and rotary sleeve
There are radial non-contact seals gap between 52, water jet lateral thrust causes rotary sleeve 52 to rotate, i.e., water jet generates anti-
Impulse moment overcomes the moment of friction between rotary sleeve 52 and interior central siphon 51, driving rotary sleeve 52 to rotate, and rotary sleeve 52 is made to have rotation
The moment of momentum turned.
The switch board 8 and temperature sensor, humidity sensor Electricity Federation, when bridge environment temperature or humidity reach predetermined value
When, enabling signal is transmitted to switch board 8 by sensor, and switch board controls power-driven system 6 and starts to work, according to scheduled track
Stop after covering entire impulse stroke, realizes fully-automatic sprinkling maintenance work.
The walking mechanism setting warning lamp 10 and whistle, warning are taken care across the staff of track.
In order to lift by crane conveniently, the sectional portraitlandscape of precast bridge is placed in matrix arrangement, one section of bridge with separately
One section of bridge has one section of relatively wide distance in the longitudinal direction, as passageway, can pass through for operating personnel；One section of bridge with another section
Bridge has a relatively narrow gap in the horizontal, and to save occupied space, the flank of two sections of bridges is opposite in the horizontal in this way, phase
To flank between have a gap, which is the space worn in present apparatus VERTICAL TUBE, and walking mechanism, to moving ahead, is erected along orbital drive
Straight tube 311 also moves ahead in the gap therewith, will not meet with obstruction.
The device of this patent passes through among the flank of adjacent two bridge, two-sided moistening and lowering temperature maintenance, primary spray radiation
The part of each half of two bridges, when backhaul, spray the other half.
Fixed induction point 43 is set to the initial position that spray bridge is needed on track 41 and end position, terminates one section of bridge
Spray by the passageway passed through for operating personnel when, device keeps the state that does not spray of only moving ahead, and by passageway, reaches
When the position that another section of bridge need to spray, odd-times senses fixed induction point 43, starts again at spray.
The power-driven system 6 includes that generator connects distribution box, and distribution box connects speed reducer and water pump 2, speed reducer
Running wheel is connected by gear.In use, first 1）Generator is refueled and water tank adds water；2）Start generator powered；3）
Start speed reducer band moving gear rotation driving walking mechanism walking；4) power-driven system 6 starts water pump, opens Water supply switch valve,
Wet curing beam body；5）Maintenance terminates, and closes generator.
Inventor is square base by the preferred following parameter of many experiments, water tank lower part, and length, width and height are respectively 3m*
1.8m*1.1m, top are semicircular arc top 11, and half circular diameter, length, height are respectively 1.8 meters, 3m, 0.4m, half circular diameter
It is equal with the width that water tank lower part is rectangular, length and the rectangular equal length in water tank lower part.Cylindrical base 12 is arranged in arched top 11,
For installing fixed external spray tube, post diameters 20cm is highly 30cm.The height of VERTICAL TUBE 311 is 2.2m, is managed anyhow
312 length is 14.2m.Bottom surface spray group 32 includes horizontal horizontal tube 323 and two vertical vertical tubes 324, vertical vertical tube 324
Two pipe top nozzles 321 are installed in end, and horizontal horizontal tube 323 is 1.9m, and two vertical vertical tubes 324 are 0.55m, described vertical vertical
It is 0.89m that two lateral tubes 325, which are arranged, in pipe 324, and two side nozzles 322 are arranged in 325 end of lateral tube.It is arranged behind water tank 1 dynamic
Power-driven system 6 and switch board 8, power-driven system 6 and the rectangular case 13 of 8 peripheral hardware of switch board, 13 length and width high score of rectangular case
It Wei not 0.8m*1.8m*0.55cm.The case 13 is wholely set with water tank 1, and the wheel 42 of walking mechanism 4 is separately positioned on water
The bottom end of case 1 and case 13.
The configuration of the present invention is simple, reasonable design and use are easy to operate, can be sprayed to the top bottom upper and lower surface of bridge
Leaching；So that spray tube 3 is slided according to trapped orbit by walking mechanism 4, with the mobile forming face of line, to maintenance area carry out comprehensively,
Uniformly spray maintenance, does not spray dead angle, water resource is greatly saved；Solenoid valve or hand-operated valve control spray can be passed through according to demand
The sprinkling access of each branch of shower pipe each group, recorery parachute 7 can recycle remaining water, keep the clean and tidy of working environment, be rationally utilized
Water source prevents water resource waste；The present apparatus terminates spray when safeguarding, recorery parachute 7 can collect, and saves space, prevents from blocking behaviour
Work person's sight.The spray tube 3 is assembled using seperated segmented method, convenient for segmentation installation control mechanism, is conveniently adjusted
The length height of pipeline, assembling is simple, is easy to malfunction elimination, easy to maintenance.The bottom surface spray group 32 includes two pipe top nozzles
321 and two side nozzles 322, quantity is most smart, and radiation scope is wide, at low cost efficient.The present invention sprays efficient, maintenance effect
It is good.
The above is only presently preferred embodiments of the present invention, is not imposed any restrictions to the present invention, every according to the present invention
Technical spirit still falls within skill of the present invention to any simple modification, change and equivalent structure transformation made by above example
In the protection domain of art scheme.
Claims (1)
1. a kind of two-sided spray equipment of high ferro precast bridge, including water tank, water pump, spray tube and walking mechanism, feature exist
In water pump connects water tank and spray tube, and spray tube includes top surface spray group and bottom surface spray group, and top surface spray group is T-type, T-type
Gap of the VERTICAL TUBE across adjacent two beams flank, nozzle is arranged in the pipe anyhow of T-type, and top surface spray group is for prefabricated bridge
Top surface of the beam carries out moistening and lowering temperature；For bottom surface spray group for carrying out moistening and lowering temperature to precast bridge bottom surface, bottom surface spray group includes cross
Horizontal tube and two vertical vertical tubes, horizontal horizontal tube are 1.9m, and two vertical vertical tubes are 0.55m, under the bottom surface spray group
Recorery parachute is arranged in face, and the recorery parachute setting passes back into the conduit of water tank, and the bottom surface spray group is set as and bridge flank bottom
The compatible curved arch of shape in face, the curved arch is symmetrical along the VERTICAL TUBE, and nozzle is set to curved arch spray tube,
The bottom surface spray group includes two pipe top nozzles and two side nozzles, and the spray tube carries out group using seperated segmented method
Dress, each branch pipe are linked into an integrated entity using bend pipe, tieing or threeway, and solenoid valve, the solenoid valve and control is arranged in the spray tube
Cabinet is connected, and the walking mechanism includes track and wheel, and power-driven system drives wheel orbital motion, power-driven system
It is connected with switch board, the fixed induction point of track setting is set to walking mechanism with the inductor of fixed induction point pairing, feels
Device is answered to sense that signal is transmitted to switch board by fixed induction point, the switch board connects remote controler, remote controler by remote signal
Remote control cabinet works；The working method of the two-sided spray equipment of high ferro precast bridge, includes the following steps：
Remote control device switch board, switch board control power-driven system work or the work of manually opened dynamical system are opened
It closes, power-driven system drives vehicle wheel rotation, walking mechanism to move ahead along track, while the step of warning lamp opens flicker；
Inductor odd-times in walking mechanism senses fixed induction point, signal is transmitted to switch board, switch board controls power
Drive system drives the step of pump working；
Water pump drives water in water tank to be sprayed from nozzle by spray tube, and bridge top and bottom are carried out with the step of moistening and lowering temperature maintenance
Suddenly；
The step of water part that nozzle sprays falls into recorery parachute, water tank is passed back by the conduit of recorery parachute；
Inductor even-times in walking mechanism senses fixed induction point, signal is transmitted to switch board, switch board controls power
The step of drive system driving water pump is stopped；
Remote control device switch board, switch board control power-driven system is stopped or the work of manually opened dynamical system
It switchs, walking mechanism is parked in the track, while the step of warning lamp is closed；
Further include that remote controler turns off or on solenoid valve by remote signal, or is turned off manually or opens in spray tube branch
Valve the step of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401397.4A CN105856404B (en) | 2016-06-10 | 2016-06-10 | A kind of two-sided spray equipment and method of high ferro precast bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401397.4A CN105856404B (en) | 2016-06-10 | 2016-06-10 | A kind of two-sided spray equipment and method of high ferro precast bridge |
Publications (2)
| Publication Number | Publication Date |
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| CN105856404A CN105856404A (en) | 2016-08-17 |
| CN105856404B true CN105856404B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610401397.4A Expired - Fee Related CN105856404B (en) | 2016-06-10 | 2016-06-10 | A kind of two-sided spray equipment and method of high ferro precast bridge |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356967B (en) * | 2018-02-28 | 2019-09-06 | 贵州工程应用技术学院 | A kind of high-speed rail precast bridge multi-angle spray equipment |
| CN110228130B (en) * | 2019-06-27 | 2020-10-16 | 郑州铁路职业技术学院 | Prefabricated case roof beam of viaduct circulation curing means |
| CN112240865B (en) * | 2019-07-19 | 2024-01-23 | 上海沃尔沃汽车研发有限公司 | Corrosion test equipment and method for large system-level parts of vehicle |
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| CN202029230U (en) * | 2011-03-06 | 2011-11-09 | 中铁四局集团第五工程有限公司 | In-box automatic cycle spray device of a large scale box girder |
| CN202053362U (en) * | 2011-04-20 | 2011-11-30 | 四川川交路桥有限责任公司 | Automatic spraying system for maintaining T-shaped beam |
| CN202697417U (en) * | 2012-07-04 | 2013-01-30 | 中铁十一局集团桥梁有限公司 | Automatic maintenance device for outside of precast beam |
| CN203650677U (en) * | 2013-12-26 | 2014-06-18 | 中铁四局集团第五工程有限公司 | Bridge body maintenance spray device |
| CN203876026U (en) * | 2014-06-20 | 2014-10-15 | 中国水利水电第四工程局有限公司 | High speed railway precast box beam maintenance device |
| CN104260195A (en) * | 2014-10-20 | 2015-01-07 | 中铁十四局集团有限公司 | Box girder automatic maintaining system and application method thereof |
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- 2016-06-10 CN CN201610401397.4A patent/CN105856404B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202029230U (en) * | 2011-03-06 | 2011-11-09 | 中铁四局集团第五工程有限公司 | In-box automatic cycle spray device of a large scale box girder |
| CN202053362U (en) * | 2011-04-20 | 2011-11-30 | 四川川交路桥有限责任公司 | Automatic spraying system for maintaining T-shaped beam |
| CN202697417U (en) * | 2012-07-04 | 2013-01-30 | 中铁十一局集团桥梁有限公司 | Automatic maintenance device for outside of precast beam |
| CN203650677U (en) * | 2013-12-26 | 2014-06-18 | 中铁四局集团第五工程有限公司 | Bridge body maintenance spray device |
| CN203876026U (en) * | 2014-06-20 | 2014-10-15 | 中国水利水电第四工程局有限公司 | High speed railway precast box beam maintenance device |
| CN104260195A (en) * | 2014-10-20 | 2015-01-07 | 中铁十四局集团有限公司 | Box girder automatic maintaining system and application method thereof |
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| CN105856404A (en) | 2016-08-17 |
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