CN110607870B - Transverse ventilation window structure of factory building - Google Patents
Transverse ventilation window structure of factory building Download PDFInfo
- Publication number
- CN110607870B CN110607870B CN201910903879.3A CN201910903879A CN110607870B CN 110607870 B CN110607870 B CN 110607870B CN 201910903879 A CN201910903879 A CN 201910903879A CN 110607870 B CN110607870 B CN 110607870B
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- roof
- roof panel
- window structure
- ventilation window
- transverse ventilation
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- 238000009423 ventilation Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Classifications
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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
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/18—Special structures in or on roofs, e.g. dormer windows
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/032—Supports or connecting means for sky-lights of vaulted shape
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/0325—Sky-lights; Domes; Ventilating sky-lights provided with ventilating means
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
- E04D13/0358—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts moving, in their own plane, e.g. rolling or sliding, or moving in parallel planes with or without an additional movement, e.g. both pivoting and rolling or sliding
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention relates to the field of roof skylights, in particular to a transverse ventilation window structure of a factory building, which comprises a plurality of roof boards forming a roof, wherein the opposite two side ends of each roof board are respectively connected with two side walls, each roof board comprises a first roof board and a second roof board, the second roof boards and the first roof boards are distributed in a staggered manner along the length direction of the two side walls, the second roof boards are higher than the first roof boards, the end parts of the second roof boards and the nearest end part of the first roof board form a ventilation opening, and a rainproof louver is arranged at the ventilation opening. The invention improves the deformation bearing capacity of the lighting cover, reduces the roof load, reduces the manufacturing cost, improves the opening and closing efficiency of the skylight, and reduces the labor intensity of workers; the skylight frame is eliminated, and the roof boards are placed on the upper chord and the lower chord of the roof truss in a staggered manner, so that a skylight with ventilation openings is formed by utilizing the space with the height of the roof truss, and the problems of ventilation and lighting of a storeroom are comprehensively solved.
Description
Technical Field
The invention relates to the field of roof skylights, in particular to a transverse ventilation window structure of a factory building.
Background
A plane type skylight is installed on the roof of the prior gymnasium, library, restaurant, auditorium and workshop, and mainly comprises a bottom frame and window sashes. The window sash is of a plane type, the window frame is provided with the transparent material, the skylight can achieve the purposes of ventilation and lighting, but snow and water are easy to accumulate on the window sash, the hail impact resistance and the heat insulation performance are poor, and in addition, time and labor are wasted when the window sash is opened and closed manually.
The invention with the authorization notice number of CN2031022U discloses a ventilating and lighting skylight installed on a roof, which consists of a bottom frame, a lighting cover and an electric opening and closing mechanism, wherein the cover glass of the lighting cover is sharp-topped and double-layered, and the opening and closing of the skylight is manually operated.
The above-mentioned skylight has the disadvantages that: the light-collecting cover has too small deformation bearing capacity and is easy to dislocate, fall or extrude and crack; the lighting cover supporting system needs to be additionally arranged on the main structure, so that the roof load is increased, and the manufacturing cost is increased; the manual opening and closing of the skylight is low in efficiency and high in labor intensity.
Disclosure of Invention
The invention aims to provide a transverse ventilation window structure of a factory building, which deforms a roof into a lighting cover with the function of electrically opening and closing a skylight and has the advantages that: the capability of the lighting cover for bearing deformation is improved; a lighting cover is not required to be additionally arranged on the roof, so that the load of the roof is reduced, and the manufacturing cost is reduced; the skylight is opened and closed electrically, the opening and closing efficiency of the skylight is improved, and the labor intensity of workers is reduced.
The above object of the present invention is achieved by the following technical solutions: a transverse ventilation window structure of a factory building comprises a plurality of roof boards forming a roof, wherein two opposite side ends of the roof boards are respectively connected with two side walls, each roof board comprises a first roof board and a second roof board, the second roof boards and the first roof boards are distributed in a staggered mode along the length direction of the two side walls, the second roof boards are higher than the first roof boards, the end parts of the second roof boards and the end parts of the nearest first roof boards form ventilation openings in a surrounding mode, and rain-proof louvers are arranged at the ventilation openings; the rain-proof shutter is characterized in that a convex block is fixed on the inner side face of the rain-proof shutter, a vertical rotating shaft is fixed on the convex block, the top end of the rotating shaft is connected with a second roof panel through a bearing, the outer ring of the bearing is welded and fixed with the lower surface of the second roof panel, the inner ring of the bearing is coaxially fixed with the rotating shaft, the bottom end of the rotating shaft extends to the lower portion of the first roof panel, chain wheels are coaxially fixed at the bottom end of the rotating shaft, all the chain wheels are connected through chains, and a motor for driving the.
By adopting the technical scheme, the higher second roof panel and the lower first roof panel are connected end to end one by one to form the roof, the joint of the second roof panel and the first roof panel forms a ventilation opening, and the ventilation opening is provided with the electric rainproof shutter for preventing rain, shading sun and the like, namely, the roof is transformed into a lighting cover instead of the lighting cover additionally arranged on the common roof.
Because the roof has high structural strength, the capacity of the lighting shade modified from the roof to bear deformation is improved; because the roof is changed into the lighting shade instead of building a common roof and adding the lighting shade, the load of the roof is reduced and the manufacturing cost is reduced; because the rotation of the rainproof louver is driven by the motor, the efficiency of opening and closing the skylight is improved, and the labor intensity of workers is reduced.
The principle that the motor drives the skylight to open and close is as follows: the motor drives the chain to rotate, the chain drives all the chain wheels to rotate synchronously, and the chain wheels and the rotating shafts are coaxially fixed, so that all the rotating shafts rotate synchronously, and the rotating shafts are fixedly connected with the rainproof shutter and are rotatably connected with the second roof panel through the bearings, so that all the rainproof shutters are driven by the motor to rotate synchronously around the central axis of the rotating shafts, and the functions of electrically opening the skylight, electrically closing the skylight and electrically adjusting the rotation angle of the rainproof shutter (adjusting the sun-shading effect of the skylight) are achieved.
Preferably, the steel beam is penetrated and welded and fixed between the first roof panel and the second roof panel.
By adopting the technical scheme, the connection stability of the first roof panel and the second roof panel is enhanced, and the structural strength of a roof formed by the first roof panel and the second roof panel is improved.
Preferably, one end, close to the ventilation opening, of the first roof board is provided with an upward water baffle, two ends of the water baffle are respectively connected with walls on two sides, the water baffle is located in the coverage range of the second roof board, and the rainproof shutter is located above the water baffle.
By adopting the technical scheme, as the position of the first roof panel is lower than that of the second roof panel, rainwater falling on the first roof panel (including rainwater flowing from the second roof panel to the first roof panel) can flow into a workshop from the two ends of the first roof panel at the vent, so that equipment in the workshop is damaged, and the problem can be perfectly solved by additionally arranging the water baffle.
Preferably, the rainproof louver is positioned outside the water baffle.
By adopting the technical scheme, rainwater blocked by the rainproof shutter is sprayed onto the first roof board along the rainproof shutter, and the rainwater blocked by the rainproof shutter is prevented from being sprayed into a factory building along the rainproof shutter from the ventilation opening.
Preferably, the first roof panel is in an inverted V shape.
Through adopting above-mentioned technical scheme, can prevent that ponding from causing the roof load to increase on the first roof boarding.
Preferably, the second roof panel is arched.
Through adopting above-mentioned technical scheme, improved the structural strength on roof, enlarged factory building inner space.
Preferably, two rows of horizontal slots are formed in the tops of the walls on the two sides, and two ends of the first roof panel and two ends of the second roof panel are inserted into the two rows of slots respectively.
Through adopting above-mentioned technical scheme, two rows of slots have made things convenient for the assembly of first roof boarding and second roof boarding, have also improved the stability of being connected of roof and both sides wall, and the slot still has the function of being convenient for collect the rainwater in addition.
Preferably, the bottom surface of the slot is an inclined surface, and the position of the inclined surface is lower as the distance from the opening of the slot is larger.
Through adopting above-mentioned technical scheme, the inclined plane has improved the holding capacity of slot, and under the big condition of rainfall, the water that flows to in the slot of both sides by the roof is unlikely to spill over to the factory building in.
Preferably, the lowest part of the inclined plane is provided with a water leakage hole, and the water leakage hole is connected with a sewage discharge pipe.
Through adopting above-mentioned technical scheme, realized discharging the rainwater in the slot to municipal rainwater pipeline fast.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the capacity of the lighting cover for bearing deformation is improved, the roof load is reduced, the manufacturing cost is reduced, the opening and closing efficiency of the skylight is improved, and the labor intensity of workers is reduced;
2. the skylight frame is eliminated, and the roof boards are placed on the upper chord and the lower chord of the roof truss in a staggered manner, so that a skylight with ventilation openings is formed by utilizing the space with the height of the roof truss, and the problems of ventilation and lighting of a storeroom are comprehensively solved.
Drawings
FIG. 1 is a schematic overall structure diagram of a transverse ventilation window structure of a plant in an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 after the rain-proof shutter is hidden;
FIG. 4 is a top view of a transverse ventilation window structure of a plant in an embodiment;
FIG. 5 is a sectional view taken along line A-A of FIG. 4;
fig. 6 is an enlarged view of a portion B in fig. 5.
In the figure, 1, a roof; 2. a wall; 3. a first roof panel; 4. a second roof panel; 5. rain-proof shutter; 6. a vent; 7. a bump; 8. a rotating shaft; 9. a bearing; 10. a sprocket; 11. a chain; 12. a motor; 13. a steel beam; 14. a slot; 15. a bevel; 16. a water leakage hole; 17. a blow-off pipe; 18. a water baffle; 19. and (4) iron blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): fig. 1 shows a transverse ventilation window structure of a factory building, which comprises a plurality of first roof panels 3 and second roof panels 4 forming a roof 1, wherein the first roof panels 3 are in an inverted V shape protruding upwards, and the second roof panels 4 are in an arch shape protruding upwards. Two rows of slots 14 protruding out of the wall surface are fixed at the tops of the walls 2 on two sides of the roof 1, the slots 14 are horizontal, two ends of the second roof panel 4 are respectively inserted into the slots 14 at the upper parts of the walls 2 on the two sides, two ends of the first roof panel 3 are respectively inserted into the slots 14 at the lower parts of the walls 2 on the two sides, and the second roof panel 4 is higher than the first roof panel 3. Iron blocks 19 (see fig. 2) are welded and fixed to the bottom surfaces of the insertion grooves 14, and the iron blocks 19 can prevent the first roof panel 3 and the second roof panel 4 from moving along the length direction of the insertion grooves 14.
As shown in FIG. 2, the bottom surface of the slot 14 is an inclined surface 15, the position of the inclined surface 15 is lower as the distance from the opening of the slot 14 is larger, a water leakage hole 16 is arranged at the lowest part of the inclined surface 15, and a drain pipe 17 is connected to the water leakage hole 16. During rainfall, rainwater flows into the slots 14 along the first roof panel 3 and the second roof panel 4, rainwater in the slots 14 at the high position flows into the slots 14 at the low position through the water leakage holes 16, and rainwater in the slots 14 at the low position is discharged to the municipal rainwater pipeline through the sewage discharge pipe 17.
As shown in fig. 1, a plurality of first roof panels 3 and second roof panels 4 are staggered along the length direction of the walls 2 on both sides, that is, the first roof panels 3 are spaced from the second roof panels 4. The end of the second roof panel 4 and the end of the first roof panel 3 closest to the second roof panel enclose a ventilation opening 6 (see fig. 3), and a plurality of rainproof louvers 5 are arranged at the ventilation opening 6. The top ends of all the rainproof shutters 5 are matched with the lower surface shape of the second roof board 4 right above the rainproof shutters, and the rainproof shutters 5 are not blocked by the lower surface of the second roof board 4 when rotating.
With reference to fig. 5 and 6, a convex block 7 is fixed on the inner side of each rain-proof louver 5, a vertical rotating shaft 8 is fixed on the convex block 7, and the top end of the rotating shaft 8 is connected with the second roof panel 4 through a bearing 9. The outer ring of the bearing 9 is welded and fixed with the lower surface of the second roof panel 4, the inner ring of the bearing 9 is coaxially fixed with the rotating shaft 8, and the bottom end of the rotating shaft 8 extends to the lower side of the first roof panel 3. The bottom end of each rotating shaft 8 is coaxially fixed with a chain wheel 10. A motor 12 is fixed on the wall 2, a chain wheel 10 is also coaxially fixed on the rotating shaft of the motor 12, and all the chain wheels 10 are connected through a chain 11.
The principle that the motor 12 drives the skylight to open and close is as follows: the motor 12 drives the chain 11 to rotate, the chain 11 drives all the chain wheels 10 to synchronously rotate, and the chain wheels 10 and the rotating shafts 8 are coaxially fixed, so that all the rotating shafts 8 synchronously rotate, the rotating shafts 8 are fixedly connected with the rainproof shutter 5 and are rotationally connected with the second roof panel 4 through the bearings 9, all the rainproof shutters 5 are driven by the motor 12 to synchronously rotate around the central axis of the rotating shafts 8, and therefore the functions of electrically opening the skylight, electrically closing the skylight and electrically adjusting the rotation angle of the rainproof shutter 5 (adjusting the sun-shading effect of the skylight) are achieved.
As shown in fig. 3, an upward water baffle 18 is welded to an edge of one end of the first roof panel 3 close to the ventilation opening 6, and two ends of the water baffle 18 are respectively inserted into the slots 14 on the two side walls 2. Because the position of first roof boarding 3 is less than second roof boarding 4, the rainwater that falls on first roof boarding 3 (including the rainwater that flows to first roof boarding 3 from second roof boarding 4) can flow to the factory building in vent 6 from the both ends of first roof boarding 3, causes the damage of equipment in the factory building, and adds breakwater 18 and can perfectly solve this problem.
As shown in fig. 1, the water baffle 18 is located in the coverage area of the second roof boarding 4, the rain-proof shutter 5 is located above the water baffle 18, and the rain-proof shutter 5 is located outside the water baffle 18. By the design, rainwater blocked by the rainproof shutter 5 can be sprayed onto the first roof board 3 along the rainproof shutter 5, and the rainwater blocked by the rainproof shutter 5 is prevented from being sprayed into a factory building from the ventilation opening 6 along the rainproof shutter 5.
As shown in fig. 1, two steel beams 13 penetrate between the first roof panel 3 and the second roof panel 4, the two steel beams 13 are respectively welded and fixed to the walls 2 on two sides of the roof 1, the upper surface of the first roof panel 3 is welded to the steel beams 13, and the lower surface of the second roof panel 4 is welded to the steel beams 13. The steel beam 13 enhances the connection stability of the first roof panel 3 and the second roof panel 4, and improves the structural strength of the roof 1 composed of the first roof panel 3 and the second roof panel 4.
In summary, the following steps: the second roof boarding 4 higher and the first roof boarding 3 lower form a roof 1 by connecting end to end one by one, the joint of the second roof boarding 4 and the first roof boarding 3 encloses a vent 6, and an electric rainproof shutter 5 is arranged at the vent 6 for preventing rain, shading and the like, namely, the roof 1 is transformed into a lighting cover instead of the lighting cover additionally arranged on the common roof 1.
Because the roof 1 has high structural strength, the capacity of bearing deformation of the lighting shade formed by the roof 1 is improved; because the roof 1 is changed into the lighting shade instead of building a common roof 1 and then adding the lighting shade, the load of the roof 1 is reduced, and the manufacturing cost is reduced; the rotation of the rainproof louver 5 is driven by the motor 12, so that the efficiency of opening and closing the skylight is improved, and the labor intensity of workers is reduced.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a horizontal ventilation window structure of factory building, is including a plurality of roof boarding of constituteing roof (1), and the relative both sides end of roof boarding is connected its characterized in that with both sides wall (2) respectively: the roof panels comprise a first roof panel (3) and a second roof panel (4), the second roof panel (4) and the first roof panel (3) are distributed in a staggered mode along the length direction of walls (2) on two sides, the second roof panel (4) is higher than the first roof panel (3), a vent (6) is formed by the end portion of the second roof panel (4) and the end portion of the nearest first roof panel (3) in a surrounding mode, and rain-proof louvers (5) are arranged at the vent (6); be fixed with lug (7) on the medial surface of rain-proof tripe (5), be fixed with vertical pivot (8) on lug (7), the top of pivot (8) is passed through bearing (9) and is connected with second roof boarding (4), the outer lane of bearing (9) and the lower surface welded fastening of second roof boarding (4), the inner circle and the coaxial fixed of pivot (8) of bearing (9), the bottom of pivot (8) extends first roof boarding (3) below, the coaxial fixed sprocket (10) that have in bottom of pivot (8), all sprocket (10) are connected through chain (11), be fixed with motor (12) of drive chain (11) on wall (2).
2. The transverse ventilation window structure of the plant building of claim 1, wherein: and a steel beam (13) is penetrated and welded between the first roof panel (3) and the second roof panel (4).
3. The transverse ventilation window structure of the plant building of claim 1, wherein: one end of the first roof board (3) close to the ventilation opening (6) is provided with an upward water baffle (18), two ends of the water baffle (18) are respectively connected with the walls (2) on two sides, the water baffle (18) is located in the coverage range of the second roof board (4), and the rainproof shutter (5) is located above the water baffle (18).
4. The transverse ventilation window structure of the plant building of claim 3, wherein: the rainproof shutter (5) is positioned outside the water baffle (18).
5. The transverse ventilation window structure of the plant building of claim 1, wherein: the first roof panel (3) is in an inverted V shape.
6. The transverse ventilation window structure of the plant building of claim 1, wherein: the second roof panel (4) is arched.
7. The transverse ventilation window structure of the plant building of claim 1, wherein: two rows of horizontal slots (14) are formed in the tops of the walls (2) on the two sides, and two ends of the first roof panel (3) and the second roof panel (4) are respectively inserted into the two rows of slots (14).
8. The transverse ventilation window structure of the plant building of claim 7, wherein: the bottom surface of the slot (14) is an inclined surface (15), and the position of the inclined surface (15) is lower as the distance from the opening of the slot (14) is larger.
9. The transverse ventilation window structure of the plant building of claim 8, wherein: the lowest part of the inclined plane (15) is provided with a water leakage hole (16), and the water leakage hole (16) is connected with a sewage discharge pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910903879.3A CN110607870B (en) | 2019-09-24 | 2019-09-24 | Transverse ventilation window structure of factory building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910903879.3A CN110607870B (en) | 2019-09-24 | 2019-09-24 | Transverse ventilation window structure of factory building |
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| CN110607870A CN110607870A (en) | 2019-12-24 |
| CN110607870B true CN110607870B (en) | 2020-12-15 |
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| CN201910903879.3A Active CN110607870B (en) | 2019-09-24 | 2019-09-24 | Transverse ventilation window structure of factory building |
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| CN112031420B (en) * | 2020-09-03 | 2022-08-19 | 贵州汇通申发钢结构有限公司 | Steel structure assembly type building and assembly method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2747413B1 (en) * | 1996-04-12 | 1998-08-21 | Cronier Applic | SMOKE OUTLET FOR AN EXTENDED BENT VAULT |
| CN201933813U (en) * | 2011-01-30 | 2011-08-17 | 福建建瓯成茂农产品有限公司 | Workshop for processing and sterilizing bamboo shoots |
| CN204475700U (en) * | 2015-02-09 | 2015-07-15 | 苏州金鼎建筑装饰工程有限公司 | Roof top hung rectangular skylight |
| CN105421642B (en) * | 2015-12-23 | 2017-09-01 | 广东南海城乡建筑设计有限公司 | A kind of dislocation type ventilation and heat dormer roof |
| CN205840162U (en) * | 2016-04-25 | 2016-12-28 | 北京泰信邦计算机系统网络工程技术有限公司 | A kind of cold air duct automatic turning skylight |
| CN206091376U (en) * | 2016-07-25 | 2017-04-12 | 张小华 | Open area and road are with sun -proof snow multi -use architecture thing of taking shelter from rain |
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