CN106246209B - A kind of tunnel inner lining concrete insulated curing constructing device and its construction method - Google Patents
A kind of tunnel inner lining concrete insulated curing constructing device and its construction method Download PDFInfo
- Publication number
- CN106246209B CN106246209B CN201610669452.8A CN201610669452A CN106246209B CN 106246209 B CN106246209 B CN 106246209B CN 201610669452 A CN201610669452 A CN 201610669452A CN 106246209 B CN106246209 B CN 106246209B
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- hot oil
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
Abstract
A kind of tunnel inner lining concrete insulated curing constructing device, it is characterized in that, including the first chassis, the second chassis and the 3rd chassis that are sequentially connected with or the first chassis and the second chassis or the second chassis and the 3rd chassis or the first chassis and the 3rd chassis, the template by they sup-port is equipped with three chassis.The beneficial effects of the invention are as follows：Secondary lining is incubated first by three construction trolleys, internal-external temperature difference is reduced, heat and moisture preserving secondly is carried out to concrete, prevents concrete frost heave, is the slow desuperheat of concrete finally by cooling layer, avoids temperature difference quality problems caused greatly before and after construction.The present invention has the advantages of construction quality stabilization and low cost, has wide market prospects.
Description
The application is：On 01 31st, 2015, Application No.：It is 201510049192.X entitled：A kind of tunnel
The divisional application of road inner lining concrete insulated curing constructing device and its construction method.
Technical field
The present invention relates to a kind of constructing tunnel device, more particularly to it is a kind of tunnel inner lining concrete insulated curing construction dress
Put.
Background technology
Concrete- liner chassis is the special equipment that must be used in constructing tunnel process secondary lining, for tunnel inner wall
Concrete- liner is constructed.Concrete- liner chassis is the nonstandard product that secondary lining is indispensable during constructing tunnel, mainly there is simple lining
Platform building cart, all-hydraulic automatically walk lining trolley and netted lining trolley.Full-hydraulic lining trolley can be divided into again side and roof arch formula,
Whole-circle needle beam type, bed die needle beam type, wholecircle traveling type etc..In Hydraulic Tunnel and bridge construction also generally use lifting sliding formwork,
Jack sliding formwork and overmolded etc..
Winter construction for tunnel, because day and night temperature is bigger, there are 10 several years in the temperature on daytime, and it is low at night
In less than 5 degree, particularly with the north, winter duration is longer, and engineering can not wait, and day and night temperature conference is to secondary lining
Bring huge construction quality hidden danger, it may appear that thermal cracking.Research shows, when temperature is less than a certain limit value, hydrated cementitious
Reaction can not be carried out, and concrete strength stops development, and this temperature is generally -10 DEG C or so.In fact, it is less than 0 in temperature
In the case of DEG C, oneself freezes through beginning for moisture in concrete, and this will cause the frost damage of concrete.
Thermal cracking is that substantial amounts of heat is produced in cement hydration process, and temperature ladder is formed between inside concrete and surface
Spend and produce stress, when temperature stress exceed concrete inside and outside restraining force when, thermal cracking will be produced.Fracture width winter
Wider, summer is narrower.The generation of thermal cracking is relevant with the thickness of secondary lining concrete and kind, the dosage of cement.
At present, the prevention of right thermal cracking is mostly to place radiator in the tunnel of construction, tunnel internal temperature is increased.
But be all to seal tunnel to prevent cool exterior air from entering, understand oxygen more and more so in radiator heating process
It is few, it is very unfavorable to the health of workmen, as number of patent application 201310165307.2 discloses a kind of " double -coil output
The antifreeze method of concreting in cold-weather heat supply, including raw material cabin, floor heating heat supply pipeline, boiler room, circulating pump, blower fan and airduct,
It is characterized in that：Raw material cabin is provided with close to the side of tunnel side wall in tunnel, opposite side is provided with blower fan, and blower fan is connected with airduct,
Raw material cabin includes cement bin, has examined rubble feed bin, examined sand feed bin, rubble feed bin to be checked and sand feed bin to be checked, in tunnel
Boiler room is provided with hole, boiler room side is provided with door curtain, is provided with boiler in boiler room, water tank is located at the side of raw material cabin, pot
Stove is connected with floor heating heat supply main and floor heating backwater main respectively, and one end of floor heating heat supply main is connected with boiler, floor heating
The other end of heat supply main is connected with water tank, and one end of floor heating backwater main is connected with water tank, floor heating backwater main it is another
One end is connected with boiler, and water tank is provided with cistern water supply pipe, and cistern water supply pipe one end is connected with water tank, and cistern water supply pipe is another
One end is connected with floor heating heat supply main, is set by the floor heating heat supply main, floor heating backwater main and cistern water supply pipe of raw material cabin
Put in underground；In cement bin, rubble feed bin examined, examined below sand feed bin, rubble feed bin to be checked and sand feed bin to be checked
A floor heating heating tube is equipped with respectively, and described floor heating heating tube one end is connected with floor heating heat supply main, floor heating heating tube
The other end be connected with floor heating backwater main, be provided with circulating pump, circulating pump and pot on the floor heating backwater main in boiler room
Floor heating backwater main between stove is provided with by-passing valve ".The method is employed, therefore, seeks a kind of new concrete heat-insulating
Method, the appearance of thermal cracking is reduced, improve the maintenance to later concrete of constructing, improve the quality of the engineering of construction, be mesh
Preceding urgent problem.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of tunnel inner lining concrete insulation is supported
Constructing device is protected, the present invention is heated to lining concrete first with the first chassis, reduced by rational structure design
Inside concrete and the outside temperature difference, avoid the generation of thermal cracking.Secondly, insulation and moisturizing device pair using the second chassis
The concrete of lining cutting carries out heat and moisture preserving, prevents concrete from frost heave occur.To realize the purpose of the present invention, the skill that the present invention uses
Art scheme is：
A kind of tunnel inner lining concrete insulated curing constructing device, it is characterised in that including be sequentially connected with the first chassis,
Second chassis and the 3rd chassis or the first chassis and the second chassis or the second chassis and the 3rd chassis or the first chassis and the 3rd
Car, the template by they sup-port is equipped with three chassis；
First chassis is installed above the first hot oil pump, and first hot oil pump is connected with outlet line and oil inlet pipe
Road, the template surface of the first chassis are provided with heat transfer layer；Hot oil pipeline is laid in heat transfer layer, its oil circuit entrance point and outlet line
Connection, the oil circuit port of export connect with in-line；
Second chassis is installed above the second hot oil pump, and second hot oil pump is connected with the second outlet line and
Two in-lines, the template surface of the second chassis are provided with heat-insulation layer；Oil supply pipe is laid in heat-insulation layer, its oil circuit entrance point with
Second outlet line connects, and the oil circuit port of export connects with the second in-line；
Water supply control cabinet is also equipped with above second chassis, moisturizing layer is located on heat-insulation layer, its internal uniform installation
There is drip irrigation zone, the drip irrigation zone connects with water supply control cabinet；
3rd chassis is installed above a refrigeration machine, and the refrigeration machine is connected with outlet pipe and air inlet pipeline, and the 3rd
The template surface of chassis is provided with cooling layer；Cold duct is laid in cooling layer, and its pipeline inlet end connects with outlet pipe, pipe
Road exhaust end connects with air inlet pipeline；
Preferentially, first hot oil pump and the second hot oil pump are corresponding is connected with electric heating conduction oil furnace.Electrical heating is led
Hot oil furnace controls for PLC.
Preferentially, the template both ends of first chassis, the second chassis and the 3rd chassis are equipped with thermal insulation layer.It is described heat-insulated
Layer is foam insulation layer.
The beneficial effects of the invention are as follows：Lining concrete is heated first with the first chassis, reduced in concrete
Portion and the outside temperature difference, avoid the generation of thermal cracking.Secondly, lining cutting is mixed using the insulation and moisturizing device of the second chassis
Solidifying soil carries out heat and moisture preserving, prevents concrete from frost heave occur.The present invention has the advantages of construction quality stabilization and low cost, has
Wide market prospects.
Brief description of the drawings
The present invention is further described in more detail with reference to the accompanying drawings, preferable specific embodiment party is shown in the drawings
Formula.
Fig. 1 is the structural representation of inner lining concrete insulated curing constructing device in tunnel of the present invention；
Fig. 2 is that Fig. 1 further disassembles schematic diagram；
Fig. 3 is the structural representation of the first chassis of the invention；
Fig. 4 is the structural representation of the second chassis of the invention；
Fig. 5 is the structural representation of the 3rd chassis of the invention.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
As illustrated, a kind of tunnel inner lining concrete insulated curing constructing device, including the first chassis being sequentially connected with
100th, the second chassis 200 and the 3rd chassis 300, in addition, what the first chassis 100, the second chassis 200 and the 3rd chassis 300 used
The connected mode of activity dismounting, its respective function are also different.Accordingly it is also possible to three kinds of chassis are carried out according to the demand of construction
Combination of two uses, such as the first chassis 100 and the second chassis 200 or the second chassis 200 and the 3rd chassis 300 or the first chassis
100 and the 3rd chassis 300.Meanwhile construction operation also can be individually carried out, it is equipped with three chassis and is supported by support bar 101
Template.The template both ends of first chassis 100, the second chassis 200 and the 3rd chassis 300 are equipped with thermal insulation layer, the thermal insulation layer
For foam insulation layer.
Please emphasis refer to Fig. 3, the first chassis 100 is installed above the first hot oil pump 103, first hot oil pump 103, even
Outlet line 102 and in-line 107 are connected to, the template surface of the first chassis 100 is provided with heat transfer layer 104；The cloth of hot oil pipeline 105
It is located in heat transfer layer 104, its oil circuit entrance point connects with outlet line 102, and the oil circuit port of export connects with in-line 107.The
One hot oil pump 103 is connected with PLC control electric heating conduction oil furnaces.In construction, the operation principle of the first chassis 100 is so
, electric heating conduction oil furnace is heated to conduction oil, and the first hot oil pump 103 is led to the conduction oil of heat by outlet line 102
The oil circuit entrance point for crossing hot oil pipeline 105 is sent into pipeline, and conduction oil flows in the hot oil pipeline 105 of heat transfer layer 104, heat transfer
Layer 104 uses existing Heat Conduction Material, can also use the relatively good aluminium sheet of heat dispersion, will not be repeated here.Hot oil pipeline
Conduction oil in 105 constantly carries out conveying heat to heat transfer layer 104, heat transfer layer 104 is generated heat, and is close to lining cutting surface and is passed
Heat, internal-external temperature difference is reduced, avoids the appearance of thermal cracking.Conduction oil enters in-line 107 eventually through the oil circuit port of export
Into in the first hot oil pump 103, then it is admitted in electric heating conduction oil furnace and reheats again, forms the circulatory system.
Please emphasis refer to Fig. 4, the second chassis 200 is installed above the second hot oil pump 204, and second hot oil pump 204 connects
The second outlet line 201 and the second in-line 205 are connected to, the template surface of the second chassis 200 is provided with heat-insulation layer, oil supply pipe
It is laid in heat-insulation layer, its oil circuit entrance point connects with the second outlet line 201, the oil circuit port of export and the second in-line 205
Connection；
Heat-insulation layer is using heat dispersion relatively good aluminium sheet or copper coin.Second hot oil pump 204 is corresponding to be connected with PLC control electricity
Heat heat-conducting oil furnace.The operation principle of the heat-insulation system is identical with the operation principle of the first chassis 100, will not be repeated here.
In addition, the second chassis 200 is also equipped with water supply control cabinet 207 above, moisturizing layer 202 is located on heat-insulation layer, in it
Portion is uniformly provided with drip irrigation zone 203, and the drip irrigation zone 203 connects with water supply control cabinet 207.Moisturizing layer 202 uses concrete section
Water moisturizing and curing membrane, while the heat-insulation system work of the chassis, the drip irrigation zone 203 in moisturizing layer 202 constantly passes through water supply
Control cabinet 207, which supplies water, discharges small water droplet, because heat-insulation layer radiating has certain temperature, small water droplet can be heated to generation steam and consolidated
It is scheduled on above moisturizing layer 202, moisturizing layer 202 is contacted with concrete again, and quickly concrete surface can be supplied water, and makes to mix
Solidifying soil keeps humidity constant state, effectively prevents frost heave, suppresses microcrack, reaches the maintenance purpose to concrete.
Please emphasis refer to Fig. 5, the 3rd chassis 300 is installed above refrigeration machine 301, and the refrigeration machine 301 is connected with outlet
Pipeline 303 and air inlet pipeline 302, the template surface of the 3rd chassis 300 are provided with cooling layer 304；Cold duct 305 is laid in cooling
In layer 304, its pipeline inlet end connects with outlet pipe 303, and pipeline exhaust end connects with air inlet pipeline 302.
In construction, the operation principle of the 3rd chassis 300 is such, and refrigeration machine 301 is by outlet pipe 303 to cold
The transporting cold-air of feed channel 305, the temperature of cold air reduce in stepped, and cold air flowing in cold duct 305 sends cold to
Cool layer 304, and cooling layer 304 is made of metal material, such as aluminium, steel, copper material, and cooling layer 304 passes through cold duct 305
Cold stepped cooling is carried out to concrete, lining concrete is slowly entered normal temperature, be prevented from excessive temperature differentials, produce temperature
Spend crack.
The present apparatus construct when, lining concrete is heated first with the first chassis 100, reduce inside concrete and
The outside temperature difference, avoids the generation of thermal cracking.Secondly, lining cutting is mixed using the insulation and moisturizing device of the second chassis 200
Solidifying soil carries out heat and moisture preserving, prevents concrete from frost heave occur.Finally, concrete is entered by the cooling system of the 3rd chassis 300
The steps cooling of row, makes concrete reach the normal temperature state in winter, prevents the generation of thermal cracking, improve construction effect.
Claims (1)
1. a kind of tunnel inner lining concrete insulated curing constructing device, it is characterised in that including the first chassis being sequentially connected with
(100), the second chassis (200) and the 3rd chassis (300), the template supported by support bar (101) is equipped with three chassis；
First chassis (100) is installed above the first hot oil pump (103), and first hot oil pump (103) is connected with outlet line
(102) and in-line (107), the template surface of the first chassis (100) are provided with heat transfer layer (104)；Hot oil pipeline (105) is laid
In heat transfer layer (104), its oil circuit entrance point connects with outlet line (102), and the oil circuit port of export connects with in-line (107)
It is logical；
Second chassis (200) is installed above the second hot oil pump (204), and second hot oil pump (204) is connected with second
Outlet line (201) and the second in-line (205), the template surface of the second chassis (200) are provided with heat-insulation layer；Oil supply pipe cloth
It is located in heat-insulation layer, its oil circuit entrance point connects with the second outlet line (201), the oil circuit port of export and the second in-line
(205) connect；
Second chassis (200) is also equipped with water supply control cabinet (207) above, and moisturizing layer (202) is located on heat-insulation layer, in it
Portion is uniformly provided with drip irrigation zone (203), and the drip irrigation zone (203) connects with water supply control cabinet (207)；
3rd chassis (300) is installed above refrigeration machine (301), and the refrigeration machine (301) is connected with outlet pipe (303)
With air inlet pipeline (302), the template surface of the 3rd chassis (300) is provided with cooling layer (304)；Cold duct (305) is laid in drop
In warm layer (304), its pipeline inlet end connects with outlet pipe (303), and pipeline exhaust end connects with air inlet pipeline (302)；Institute
State that the first hot oil pump (103) and the second hot oil pump (204) are corresponding to be connected with electric heating conduction oil furnace；The electric-heating heat-conductive oil
Stove controls for PLC；
Its construction method is as follows：
When the present apparatus is constructed, lining concrete is heated first with the first chassis (100), reduces inside concrete and outer
The temperature difference in portion, avoid the generation of thermal cracking；Electric heating conduction oil furnace heats to conduction oil, and the first hot oil pump (103) is logical
Cross outlet line (102) to be sent into the conduction oil of heat in pipeline by the oil circuit entrance point of hot oil pipeline (105), conduction oil is passing
Flowed in the hot oil pipeline (105) of thermosphere (104), heat transfer layer (104) uses existing Heat Conduction Material；In hot oil pipeline (105)
Conduction oil conveying heat constantly is carried out to heat transfer layer (104), make heat transfer layer (104) generate heat, be close to lining cutting surface and passed
Heat, internal-external temperature difference is reduced, avoids the appearance of thermal cracking；Conduction oil enters in-line eventually through the oil circuit port of export
(107) enter in the first hot oil pump (103), be then admitted in electric heating conduction oil furnace and reheat again, form the circulatory system；
Secondly, heat and moisture preserving is carried out to the concrete of lining cutting using the insulation and moisturizing device of the second chassis (200), prevents concrete from going out
Existing frost heave；
Drip irrigation zone (203) in moisturizing layer is constantly supplied water by water supply control cabinet (207) discharges small water droplet, because heat-insulation layer radiates
Have certain temperature, small water droplet can be heated and produce steam and be fixed on moisturizing layer (202) above, moisturizing layer (202) and with it is mixed
Solidifying soil contact, can quickly supply water to concrete surface, concrete is kept humidity constant state, effectively prevent frost heave, suppress
Microcrack, reach the maintenance purpose to concrete；
Finally, steps cooling is carried out to concrete by the cooling system of the 3rd chassis (300), concrete is reached winter
Normal temperature state, prevent the generation of thermal cracking；
Refrigeration machine (301) is dropped by outlet pipe (303) to cold duct (305) transporting cold-air, the temperature of cold air in stepped
Low, cold air flowing in cold duct (305) sends cold to cooling layer (304), and cooling layer (304) passes through cold duct
(305) cold carries out stepped cooling to concrete, lining concrete is slowly entered normal temperature, is prevented from excessive temperature differentials,
Produce thermal cracking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669452.8A CN106246209B (en) | 2015-01-31 | 2015-01-31 | A kind of tunnel inner lining concrete insulated curing constructing device and its construction method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049192.XA CN104712345B (en) | 2015-01-31 | 2015-01-31 | Tunnel lining concrete heat preserving and maintaining construction device and construction method thereof |
| CN201610669452.8A CN106246209B (en) | 2015-01-31 | 2015-01-31 | A kind of tunnel inner lining concrete insulated curing constructing device and its construction method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510049192.XA Division CN104712345B (en) | 2015-01-31 | 2015-01-31 | Tunnel lining concrete heat preserving and maintaining construction device and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246209A CN106246209A (en) | 2016-12-21 |
| CN106246209B true CN106246209B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610669452.8A Expired - Fee Related CN106246209B (en) | 2015-01-31 | 2015-01-31 | A kind of tunnel inner lining concrete insulated curing constructing device and its construction method |
| CN201510049192.XA Expired - Fee Related CN104712345B (en) | 2015-01-31 | 2015-01-31 | Tunnel lining concrete heat preserving and maintaining construction device and construction method thereof |
| CN201610669451.3A Active CN106285726B (en) | 2015-01-31 | 2015-01-31 | A kind of tunnel inner lining concrete insulated curing constructing device and its construction method |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510049192.XA Expired - Fee Related CN104712345B (en) | 2015-01-31 | 2015-01-31 | Tunnel lining concrete heat preserving and maintaining construction device and construction method thereof |
| CN201610669451.3A Active CN106285726B (en) | 2015-01-31 | 2015-01-31 | A kind of tunnel inner lining concrete insulated curing constructing device and its construction method |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963698B (en) * | 2015-06-25 | 2016-06-01 | 山东大学 | For the constructional method of the heat and moisture preserving health preserving equipment of tunnel lining concrete |
| CN104989430A (en) * | 2015-07-22 | 2015-10-21 | 顾达容 | Tunnel lining concrete curing device and construction method thereof |
| CN106050274A (en) * | 2016-05-31 | 2016-10-26 | 中国科学院武汉岩土力学研究所 | Anti-frost heaving structure of hard rock tunnel in cold region and construction method of anti-frost heaving structure |
| CN107387124A (en) * | 2017-08-23 | 2017-11-24 | 中国铁路经济规划研究院 | Tunnel lining concrete maintenance construction technique |
| CN107435546B (en) * | 2017-08-23 | 2023-07-25 | 中国铁路经济规划研究院有限公司 | Tunnel lining intelligent maintenance trolley |
| CN107829755A (en) * | 2017-11-28 | 2018-03-23 | 中铁隧道集团处有限公司 | Prevent the device and construction method of lining trolley capping tunnel-liner |
| CN110985059B (en) * | 2019-12-28 | 2021-12-10 | 杨雪 | Supporting structure for spraying concrete on smooth surface of deep coal mine roadway |
| CN113339007B (en) * | 2021-06-16 | 2022-04-12 | 无锡市市政设施建设工程有限公司 | Subway tunnel lining construction method and construction device |
| CN113719144A (en) * | 2021-07-13 | 2021-11-30 | 中铁十九局集团有限公司 | Method for construction and maintenance of beam body in winter |
| CN113752371B (en) * | 2021-09-10 | 2022-12-09 | 青岛天地彩涂料有限公司 | Be used for new material board pressurization to evaporate pressure curing means |
| CN114478063B (en) * | 2022-02-28 | 2023-02-07 | 河北工业大学 | Gradient temperature electric stimulation curing method for concrete in cold region in winter |
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- 2015-01-31 CN CN201510049192.XA patent/CN104712345B/en not_active Expired - Fee Related
- 2015-01-31 CN CN201610669451.3A patent/CN106285726B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106285726B (en) | 2018-05-25 |
| CN106285726A (en) | 2017-01-04 |
| CN104712345A (en) | 2015-06-17 |
| CN106246209A (en) | 2016-12-21 |
| CN104712345B (en) | 2017-02-22 |
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