CN109372119A - A kind of assembled architecture prefabricated reinforced concrete convex bearing body - Google Patents
A kind of assembled architecture prefabricated reinforced concrete convex bearing body Download PDFInfo
- Publication number
- CN109372119A CN109372119A CN201811438107.9A CN201811438107A CN109372119A CN 109372119 A CN109372119 A CN 109372119A CN 201811438107 A CN201811438107 A CN 201811438107A CN 109372119 A CN109372119 A CN 109372119A
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- China
- Prior art keywords
- reinforced concrete
- girder
- prefabricated reinforced
- bearing body
- convex bearing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of assembled architecture prefabricated reinforced concrete convex bearing body, including girder, prefabricated reinforced concrete convex bearing body, rectangular post holes, girder assembly side and girder junction steel plate；The shape it is characterized in that the prefabricated reinforced concrete convex bearing body assumes diamond in shape；The girder combines together with diamond shaped prefabricated reinforced concrete convex bearing body；The water chestnut side bottom surface of the prefabricated reinforced concrete convex bearing body has L shape concrete raised；The L shape concrete projection thickness >=80mm；Be square post holes among the prefabricated reinforced concrete bearing body；The area of section of the interior empty area < column of the rectangular post holes；The water chestnut of the diamond shaped sets girder assembly side；The girder assembly side is reserved with main beam stress reinforcing bar connecting pin；There is girder junction steel plate in main beam stress reinforcing bar connecting pin；Girder reinforcing bar is indulged among the prefabricated reinforced concrete support in rectangular post holes and horizontal girder reinforcing bar intersects and no-reinforcing-bar node；The girder assembly side development length >=100mm.
Description
Technical field
The present invention relates to a kind of assembled architecture systems technologies, and in particular to a kind of assembled architecture prefabricated reinforced concrete is convex
Shape bearing body；The invention belongs to 201711478025.2 divisional applications.
Background technique
In order to adjust construction industry structure, construction quality is improved, Accelerating The Construction speed realizes energy conservation and environmental protection, reduces engineering
Cost, country's proposition widely popularize assembled architecture, specify specific implementation plan；And it requires in reinforced concrete frame knot
It is widely applied in structure, reinforced concrete frame shear wall structure, steel construction and steel-concrete combined structure system, specifies that China fills
With formula architectural structure system and application field；But large-span steel-reinforced concrete frame structure assembled architecture ground zero, and
Using common laminated floor slab and T plate superstructure technology, cause cost high, earth-free gas constrains assembled architecture industry
Development.
Such as a kind of ZL200410082381.9 " hollow floor slab with small dense ribs " of inventor, hollow filling body is embedded in cast-in-situ floor
Middle formation " T font " stress cross-section hollow layer, solves the problems, such as large span, large space, big load, is assembled architecture floor
It lays a good foundation.
Again in order to promote China's housing industrialization to develop, ZL201620408935.8 " the passive type building of inventor's application
Energy saving integrated system " expands to cast-in-place concrete hollow building roof assembled architecture field by creating transition, solves
Assembled arthitecutral structure globality poor, large span without bright beam, component super large, component industrialization, construction quality controllability, work efficiency and
The problems such as environmental protection；These inventions, although laying the foundation for China's Process of Housing Industrialization, it is pre- that there is also long strip types
Crackle, the bidirectional stress in gap when the one-way of assembled cavity plate member stress processed, two pieces of prefabricated assembled cavity plate splits
The problems such as connection space of cavity floor transverse direction reinforcing bar is restricted.
In order to capture the low difficulty of steel reinforced concrete assembling building structure assembly rate, inventor applies
Assembly rate, has been increased within 40% 70% or more, has passed through state by 201710951186.2 " a kind of assembled arthitecutral structures "
Family's grade test is checked and accepted, and safety of structure is strong and good economy performance, is carried out assembled architecture for government and has been played positive effect；But
Beam, column, floor node are all taken at cast-in-place state, although structure safety, need a large amount of temporary support supporting beam, column, building
Board member and there are many splices in Liang Yuliang, beam and column infall, reinforcing bar connection is loaded down with trivial details and cost is high.
At present, there are also many technical problems not to solve for the assembled architecture of reinforced concrete frame structure, causes to build
Cost is high, and popularization is obstructed；Therefore, inventor is again on the basis of existing background technique self, by verification experimental verification, by beam, column,
The cast-in-place concrete node region of floor, creative changes into ' prefabricated reinforced concrete bearing body ', enhancing shearing and resistance to flush shear force
Ability, by the column of rear pouring concrete and beam stress reinforcing bar node, be dispersed in column centre and prefabricated reinforced concrete bearing body except diamond shape
In the girder assembly side being arranged on the water chestnut of shape or triangle；Column steel bar stress passes through square column among prefabricated reinforced concrete support
Criss-cross beam stress reinforcing bar up extends in hole, realizes in beam, Column border node position no-reinforcing-bar connector, greatly reduces support
Rod piece and further speed up assembling speed, improve assembled quality, reduce project cost；Realize that strong column and weak beam pours on floor afterwards again
The assembled architecture overall structure new technology of edge of a wing overlapping layers；It is reinforced concrete frame structure and the assembly of frame core wall structure
Formula builds the important breakthrough of new technology system, has become the urgent need of assembled architecture technical field innovation.
Summary of the invention
It is an object of the invention to thoroughly solve the shearing of assembling frame Structure Beam-column node and resistance to flush shear force, reaches and mention
High building quality accelerates built speed, realizes that energy conservation and environmental protection, increase assembly rate, reduction cost and structure are safe and reliable；Play wound
The advantage of new assembled Building technology, the shortcomings that overcoming the prior art；Prefabricated reinforced concrete bearing body, the column of the factorial production
The prefabricated components such as frame, girder, cavity board member, stair, wallboard, after assembled in situ, then outside prefabricated reinforced concrete bearing body
In node, column frame, the connection spaces rear pouring concrete such as the top flange of building floor, realize that strong column and weak beam pours floor top flange overlapping afterwards again
The assembled architecture overall structure new technology of layer；Reduce a large amount of supporting rod and easy construction process；By available frame knot
Structure, frame core wall structure, steel construction assembled laminated floor slab and T plate superstructure technology, transition and upgrade are a kind of band pre-manufactured steel
The assembled architecture technology of muscle concrete bearing body；Reach the existing assembled arthitecutral structure technical system of optimization, overcomes existing structure
A series of defects existing for technology.
Technical scheme is as follows, a kind of assembled architecture prefabricated reinforced concrete convex bearing body, including girder, pre-
Reinforced concrete convex bearing body, rectangular post holes, girder assembly side and girder junction steel plate processed；It is characterized in that the prefabricated reinforced concrete is convex
Shape bearing body assumes diamond in shape shape；The girder combines together with diamond shaped prefabricated reinforced concrete convex bearing body；The prefabricated reinforced concrete
The water chestnut side bottom surface of convex bearing body has L shape concrete raised；The L shape concrete projection thickness >=80mm；It is described pre-
Be square post holes among reinforced concrete bearing body processed；The area of section of the interior empty area < column of the rectangular post holes；The diamond shaped
Water chestnut set girder assembly side；The girder assembly side is reserved with main beam stress reinforcing bar connecting pin；The main beam stress reinforcing bar connects
Connecing end has girder junction steel plate；Girder reinforcing bar is indulged in rectangular post holes among the prefabricated reinforced concrete support and horizontal girder reinforcing bar intersects
And no-reinforcing-bar node；The girder assembly side development length >=100mm.
Technical scheme is as follows, and the girder assembly side is reserved with vertical or lateral connection bolt hole.
Technical scheme is as follows, and the prefabricated reinforced concrete support indulges prefabricated reinforced concrete between girder and horizontal girder,
The prefabricated reinforced concrete support body thickness >=300mm.
Technical scheme is as follows, and the device for being connected to hollow girder is equipped in the rectangular post holes.
A kind of assembled architecture of the invention prefabricated reinforced concrete convex bearing body, is the base in Architectural Structure Design drawing
For the girder of horizontal structure and floor and support, the column of vertical structure and the geometric dimension of wallboard on plinth, building structure is decomposed
Design drawing carries out quantization Secondary Design to assembling form or BIM is handled, and drawing resolves into N number of column and beam and assembled cavity
Board member and wall body construction etc., factory are produced into the prefabricated member of the specifications and models by the paper organization of decomposition, by component
Engineering site assembly is transported to pour with after as assembled monolithic architecture.
A kind of assembled architecture prefabricated reinforced concrete convex bearing body of specific implementation will under the action of plane mould
Diamond shaped prefabricated reinforced concrete bearing body includes the water chestnut of girder assembly side, the rectangular post holes in support centre, water chestnut side, water chestnut, diamond shaped
If the girder among reinforced concrete between girder assembly side, Liang Yuliang, bolt hole, girder junction steel plate, support in rectangular post holes is handed over
Pitch reinforcing bar, the water chestnut side bottom surface of prefabricated reinforced concrete convex bearing body has L shape concrete protrusion, hanging ring to be placed in plane mould；
In order to mitigate weight and multifunctional application, hollow body, the vertical master of casting prefabricated reinforced concrete support can be placed in girder reinforcing bar keel
Prefabricated reinforced concrete between beam and horizontal girder, maintenance obtain assembled architecture prefabricated reinforced concrete bearing body；Prefabricated reinforced concrete bearing body
Thickness >=300mm；Girder reinforcing bar is indulged among prefabricated reinforced concrete support in rectangular post holes and horizontal girder reinforcing bar intersects and no-reinforcing-bar section
Point；Girder assembly side development length >=100mm；Girder assembly side is reserved with main beam stress reinforcing bar connecting pin；Girder assembly side is pre-
There are vertical or lateral connection bolts hole；Precast main beam both ends are in inclined-plane or inclined-plane of vertically slotting, and mainly solve to increase contact surface；
Girder both ends bottom surface is reserved with baltimore groove and works as using steel plate connector is assembled in baltimore groove, does not allow junction steel plate exposed；In advance
Girder both ends processed reserved steel bar is using mechanical connection or slip casting connection；The water chestnut side bottom surface of the prefabricated reinforced concrete support has L shape
Shape concrete protrusion, L shape concrete projection thickness >=80mm；The area of section of the interior empty area < column of rectangular post holes；It is prefabricated
Reinforced concrete support is primary structure member its surface area > 3m2；The device for being connected to hollow girder is installed in rectangular post holes.
Detailed description of the invention
Fig. 1 is frame structure plane embodiment figure of the present invention.
Fig. 2 is diamond shaped prefabricated reinforced concrete support plan view of the present invention.
Specific embodiment
The present invention is further described with reference to the accompanying drawing.
Fig. 1 is frame structure plane embodiment figure of the present invention, when the present invention is implemented；
First step: column frame 3, the diamond shaped prefabricated reinforced concrete of the Prefabricated Concrete of specifications and models needed for making frame structure 1 in factory
Bearing body 2 or triangle prefabricated reinforced concrete support body 21, precast main beam 4, precast stair, cavity floor 5 and column reinforcing bar 31；Diamond shaped
Prefabricated reinforced concrete bearing body 2 is comprising between girder assembly side 24, the rectangular post holes 22 in support centre, water chestnut side 23, water chestnut 25, Liang Yuliang
Reinforced concrete 26, bolt hole 27, girder junction steel plate 28, the girder cross wise reinforcement 29 among support in rectangular post holes 22；It again will be
Factory makes required specifications and models prefabricated concrete element transported batchwise to frame structure building engineering site；
Second step: column reinforcing bar 31 is bound on ground structure foundation columns position；It binds column reinforcing bar length and is greater than story height；It will
Prefabricated post frame 3 is sleeved on outside the column reinforcing bar 31 of binding, and correction prefabricated post frame 3 is set with to be poured in prefabricated post frame after location coordinate and mix
Solidifying soil concrete 33, builds up reinforced concrete combined column；
Third step: by the horizontal handling of prefabricated reinforced concrete bearing body 2, be square post holes among diamond shape prefabricated reinforced concrete bearing body 2
22 alignment reinforced concrete combined columns, and the exposed column reinforcing bar 31 of combined column is passed through, it is placed in the upper end concrete of combined column prefabricated post frame 3
On, four water chestnuts 25 of diamond shape prefabricated reinforced concrete bearing body 2 are propped up with vertical supporting bar, and girder assembly side 24 is aligned adjacent compound
The water chestnut of the prefabricated reinforced concrete bearing body 2 of column upper end；Diamond shape or three angle prefabricated reinforced concrete branch are disposed in adjacent combined column upper end
Pedestal 21；Girder assembly side between girder assembly side 24 and girder connecting pin 211 is temporarily overlapped with positioning square steel tube, is carried out
Correct simultaneously positioning support；Girder 4 is aligned to the girder assembly side of prefabricated reinforced concrete bearing body, connects contiguous prefabricated reinforced concrete support
The steel plate 28 of the girder assembly side girder bottom longitudinal notch of body, steel plate is solid by the screw rod in bolt hole 27, while passing through steel
Muscle connector 212, which is linked and packed, constitutes girder；
Four steps: installation precast stair；Cavity is disposed in the reinforced concrete frame that prefabricated reinforced concrete bearing body and girder are constituted
Floor member 5 connects cross rib beam steel 51 and adds longitudinal michinaga rib joist steel 52 in split slot between plate, is laid on floor thereafter
Flange plate reinforcing bar 53 and holder top reinforcing bar；It repeats binding and prolongs the column reinforcing bar 31 risen, length is equal to story height, by prefabricated post
Frame 3 is sleeved on outside the column reinforcing bar 31 of binding, after correction prefabricated post frame suit location coordinate, is poured concrete in prefabricated post frame
33, build up reinforced concrete combined column；Simultaneously by split slot 53, floor top flange slab between rectangular post holes 22, girder assembly side 24, plate
Muscle 52 and holder top reinforcing bar pour concrete；It repeats the above steps, simple and direct assembly is combined into a kind of reinforced concrete frame structure.It can also
First to assemble the reinforced concrete for reassembling cavity floor component 5 after N layers of frame and being poured afterwards.It is answered to mitigate self weight with multi-functional
With hollow body can be placed in girder reinforcing bar keel, pour concrete, maintenance obtains assembled architecture prefabricated reinforced concrete bearing body.
Fig. 2 is diamond shaped prefabricated reinforced concrete support plan view of the present invention, and diamond shaped prefabricated reinforced concrete bearing body 2 includes girder
Assembly side 24, rectangular post holes 22 among support, water chestnut side 23, water chestnut 25, reinforced concrete 26, bolt hole 27, girder connect between Liang Yuliang
Connect steel plate 28, the girder cross wise reinforcement 29 among support in rectangular post holes 22；Diamond shape flat-die is put on a vibration table, is pacified in mold
The girder framework of steel reinforcement that oneself has been banded either binds 29 skeleton of girder reinforcing bar in diamond shape flat-die, in vertical girder and horizontal girder
Between be arranged shearing resistance reinforcing bar after pour concrete 26, constitute diamond shaped prefabricated reinforced concrete support 2；When as dark air duct or mitigation self weight
When, it is bound in 29 skeleton of girder reinforcing bar in diamond shape flat-die and hollow mold is set, hollow mold can be extracted out after pour concrete, can also be permanent
Indwelling.23 bottom of the water chestnut side protrusion of diamond shaped prefabricated reinforced concrete support 2,23 bottom convex portion of water chestnut side are in assembly and empty
The mating of chamber floor member bumps, constitutes concealed beam support 2 or bright beam support 2.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by a person of ordinary skill in the art that still
Can be with modifications or equivalent substitutions are made to specific embodiments of the invention, and end is detached from any of spirit and scope of the invention
Modification or equivalent replacement, are intended to be within the scope of the claims of the invention.
Claims (4)
1. a kind of assembled architecture prefabricated reinforced concrete convex bearing body, including it is girder, prefabricated reinforced concrete convex bearing body, rectangular
Post holes, girder assembly side and girder junction steel plate；The shape it is characterized in that the prefabricated reinforced concrete convex bearing body assumes diamond in shape；The master
Beam combines together with diamond shaped prefabricated reinforced concrete convex bearing body；The water chestnut side bottom surface of the prefabricated reinforced concrete convex bearing body has
L shape concrete protrusion；The L shape concrete projection thickness >=80mm；It is square among the prefabricated reinforced concrete bearing body
Post holes；The area of section of the interior empty area < column of the rectangular post holes；The water chestnut of the diamond shaped sets girder assembly side；The master
Beam assembly side is reserved with main beam stress reinforcing bar connecting pin；There is girder junction steel plate in main beam stress reinforcing bar connecting pin；It is described pre-
Girder reinforcing bar is indulged among reinforced concrete support processed in rectangular post holes and horizontal girder reinforcing bar intersects and no-reinforcing-bar node；The girder assembly
Hold development length >=100mm.
2. a kind of assembled architecture prefabricated reinforced concrete convex bearing body as described in claim 1, it is characterised in that the master
Beam assembly side is reserved with vertical or lateral connection bolt hole.
3. a kind of assembled architecture prefabricated reinforced concrete convex bearing body as described in claim 1, it is characterised in that described pre-
Reinforced concrete support processed indulges prefabricated reinforced concrete between girder and horizontal girder, the prefabricated reinforced concrete support body thickness >=300mm.
4. a kind of assembled architecture prefabricated reinforced concrete convex bearing body as described in claim 1, it is characterised in that the side
The device for being connected to hollow girder is installed in shape post holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438107.9A CN109372119A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438107.9A CN109372119A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
| CN201711478025.2A CN108086474A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478025.2A Division CN108086474A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
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| Publication Number | Publication Date |
|---|---|
| CN109372119A true CN109372119A (en) | 2019-02-22 |
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Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811424009.XA Pending CN109372113A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
| CN201711478025.2A Pending CN108086474A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
| CN201811424014.0A Pending CN109372115A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
| CN201811424026.3A Pending CN109372116A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
| CN201811438107.9A Pending CN109372119A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
| CN201811424010.2A Pending CN109372114A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811424009.XA Pending CN109372113A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
| CN201711478025.2A Pending CN108086474A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
| CN201811424014.0A Pending CN109372115A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
| CN201811424026.3A Pending CN109372116A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811424010.2A Pending CN109372114A (en) | 2017-12-29 | 2017-12-29 | A kind of assembled architecture prefabricated reinforced concrete convex bearing body |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111497007B (en) * | 2020-05-06 | 2021-07-02 | 上海兰德公路工程咨询设计有限公司 | Prefabricated bridge steel bar positioning device and method |
| CN113389268A (en) * | 2021-06-29 | 2021-09-14 | 黑龙江松瑞科技有限公司 | Assembly type reinforced concrete frame disassembly-free formwork combined connecting system and construction method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3918222A (en) * | 1974-06-03 | 1975-11-11 | Bahram Bahramian | Prefabricated modular flooring and roofing system |
| US4333285A (en) * | 1977-01-20 | 1982-06-08 | Kajima Kensetsu Kabushiki Kaisha | Building structure |
| CN106381952A (en) * | 2016-10-21 | 2017-02-08 | 王海崴 | Assembling type overlapped cavity floor cover |
-
2017
- 2017-12-29 CN CN201811424009.XA patent/CN109372113A/en active Pending
- 2017-12-29 CN CN201711478025.2A patent/CN108086474A/en active Pending
- 2017-12-29 CN CN201811424014.0A patent/CN109372115A/en active Pending
- 2017-12-29 CN CN201811424026.3A patent/CN109372116A/en active Pending
- 2017-12-29 CN CN201811438107.9A patent/CN109372119A/en active Pending
- 2017-12-29 CN CN201811424010.2A patent/CN109372114A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3918222A (en) * | 1974-06-03 | 1975-11-11 | Bahram Bahramian | Prefabricated modular flooring and roofing system |
| US4333285A (en) * | 1977-01-20 | 1982-06-08 | Kajima Kensetsu Kabushiki Kaisha | Building structure |
| CN106381952A (en) * | 2016-10-21 | 2017-02-08 | 王海崴 | Assembling type overlapped cavity floor cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109372114A (en) | 2019-02-22 |
| CN108086474A (en) | 2018-05-29 |
| CN109372116A (en) | 2019-02-22 |
| CN109372113A (en) | 2019-02-22 |
| CN109372115A (en) | 2019-02-22 |
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Application publication date: 20190222 |
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