CN107806224B - Glass installation assembly and method for outer wall additionally provided with elevator shaft - Google Patents
Glass installation assembly and method for outer wall additionally provided with elevator shaft Download PDFInfo
- Publication number
- CN107806224B CN107806224B CN201711261837.1A CN201711261837A CN107806224B CN 107806224 B CN107806224 B CN 107806224B CN 201711261837 A CN201711261837 A CN 201711261837A CN 107806224 B CN107806224 B CN 107806224B
- Authority
- CN
- China
- Prior art keywords
- glass
- plate
- limiting
- cross beam
- upright post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011521 glass Substances 0.000 title claims abstract description 83
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 10
- 229910000746 Structural steel Inorganic materials 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/005—Lift shafts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0266—Enlarging
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a glass mounting assembly for an elevator shaft additionally arranged on an outer wall, which comprises a spliced beam and an upright post; the upright post is provided with a first plate, two side plates of the first plate are respectively attached to two adjacent outer side walls of the upright post, and two horizontal ends of the first plate are bent to form a first limiting part; the beam is provided with a second plate, the second plate comprises a base plate, and two vertical ends of the base plate are bent to form a second limiting part; a limiting plate is arranged on the cross beam; the opposite first limiting parts on the adjacent upright posts are abutted against the glass at two sides, and the second limiting parts on the cross beam between the adjacent upright posts and the limiting plates on the cross beam are abutted against the glass at the other two sides. According to the invention, the second plate and the first plate are respectively coated on the cross beam and the upright post, and the concave L-shaped part of the second plate and the concave L-shaped part of the first plate are matched with the limiting plate to form the groove convenient for embedding the glass, so that the glass can be efficiently and stably installed, the integral installation efficiency of the elevator is greatly improved, and the influence on residents nearby the elevator is reduced.
Description
Technical Field
The invention relates to the field of elevator construction, in particular to a glass mounting assembly and a glass mounting method for an outer wall additionally provided with an elevator shaft.
Background
Along with the promotion of urban modern construction, many old buildings are removed and built again to form many modern buildings, however, many old buildings remain due to urban planning, environmental requirements and the like, many old buildings remain old people, old people which are not provided with elevators need to climb in consideration of the old people, and along with the improvement of the living standard of modern people and the development of the elevator industry, the residents of many old buildings can require the elevators to be additionally arranged on the outer walls of the old buildings by using mechanisms maintained by the old buildings, so that the demands of weak groups such as old people, children and the like in the old buildings are met.
However, due to the limitation of the building pattern, if the period of building the elevator on the outer wall is too long or the occupied area is too large, the daily life and the safe trip of the householder in the building can be seriously affected, so that it is necessary to design a glass installation assembly and a method for installing the elevator shaft on the outer wall.
Disclosure of Invention
The invention aims to solve the technical problems, and provides a glass installation assembly and a method for an external wall added elevator shaft, which can efficiently and stably complete the glass installation of the external wall added elevator shaft, thereby greatly improving the installation efficiency of the elevator.
The invention is realized by the following technical scheme:
a glass installation component for an elevator shaft additionally installed on an outer wall comprises a beam and an upright post which are spliced into a shaft frame; the upright post is provided with a first plate which is L-shaped, two side plates of the first plate are respectively attached to two adjacent outer side walls of the upright post, and the horizontal two ends of the first plate are bent towards the upright post to form a first limiting part; the beam is provided with a second plate, the second plate comprises a substrate which can be attached to the outer side wall of the beam, and two vertical ends of the substrate are bent towards the beam to form a second limiting part; a limiting plate is horizontally arranged on the cross beam along the length direction of the cross beam; the opposite first limiting parts on the adjacent upright posts are abutted against the glass at two sides, and the second limiting parts on the cross beam between the adjacent upright posts and the limiting plates on the cross beam are abutted against the glass at the other two sides.
Preferably, the first limiting part and the second limiting part comprise right-angle bent Z-shaped plates, the concave L-shaped part of the end part of the Z-shaped plate of the first limiting part is abutted on the corner of the glass, and the outer wall of the concave L-shaped part of the Z-shaped plate of the second limiting part is abutted on the edge of the glass.
Preferably, the limiting plate is a strip angle iron, one side sub-plate of the strip angle iron is fixed on the cross beam through a screw, and the other side sub-plate of the strip angle iron is abutted against the side wall of the glass.
Preferably, the concave L-shaped part of the first limiting part and the concave L-shaped part of the second limiting part at two sides and one side sub-plate of the strip angle iron abutting glass form a groove body which surrounds four sides of the glass and can support the glass.
Preferably, the stand is square steel pipe, the crossbeam main part is square steel pipe or channel-section steel, the both ends of crossbeam outwards bend and form the first connecting plate that can laminate the stand, and first connecting plate passes through the mode that the bolt worn to establish to be fixed on the stand.
Preferably, a plurality of kidney-shaped holes perpendicular to the length direction are sequentially formed in one side daughter board of the strip-shaped angle iron connecting beam along the length direction, and the kidney-shaped holes are used for adjusting the positions of the strip-shaped angle irons relative to glass.
Preferably, the two ends of the strip angle iron extend out to form a second connecting plate which can be attached to the side wall of the upright post, and the second connecting plate is fixed on the upright post in a penetrating manner through a screw.
The invention can also be realized by the following technical scheme:
the glass installing method for the elevator shaft is characterized in that the main bodies of the cross beams and the stand columns are square steel pipes, the cross beams and the stand columns are penetrated through by bolts to form a frame of the elevator shaft, the top of each layer of cross beam in the frame is provided with a groove body formed by surrounding an inward concave L-shaped part of a first limiting part at two sides, an inward concave L-shaped part of a second limiting part and a daughter board of a strip angle iron, the bottom of glass penetrates into the groove body, the glass completes the fixation of the bottom of the glass in the groove body, the cross beam of the groove body is additionally arranged above the glass, the upper end and the lower end of the glass can be completely fixed by the groove body, and the left end and the right end of the glass enter the inward concave L-shaped part of the first limiting part to complete the fixation.
The beneficial effects are that: compared with the prior art, the glass installation assembly and the method for the elevator shaft additionally installed on the outer wall are characterized in that the second plate and the first plate are respectively coated on the cross beam and the upright post, and the concave L-shaped part of the second plate and the concave L-shaped part of the first plate are matched with the limiting plate to form the groove convenient for embedding the glass, so that the glass can be efficiently and stably installed, the integral installation efficiency of the elevator is greatly improved, and the influence on residents nearby the elevator is reduced.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic view of a portion of a structure of a glass mounting assembly from a top view;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic top view of a first plate disposed on a post;
fig. 4 is a schematic left-view structure of the beam with the second plate.
Detailed Description
As shown in fig. 1 to 4, a glass mounting assembly for an elevator shaft additionally installed on an outer wall comprises a beam 1 and a column 2 spliced into a shaft frame; the upright post 2 is provided with a first plate 3, the first plate 3 is L-shaped, two side plates of the first plate are respectively attached to two adjacent outer side walls of the upright post 2, and the horizontal two ends of the first plate 3 are bent towards the upright post 2 to form a first limiting part; the beam 1 is provided with a second plate 4, the second plate 4 comprises a substrate which can be attached to the outer side wall of the beam 1, and two vertical ends of the substrate are bent towards the beam 1 to form a second limiting part; a limiting plate 5 is horizontally arranged on the cross beam 1 along the length direction; opposite first limiting parts on adjacent upright posts 2 are abutted against glass 6 at two sides, and second limiting parts on a cross beam 1 between the adjacent upright posts 2 and limiting plates 5 on the cross beam 1 are abutted against glass 6 at the other two sides.
The crossbeam 1 and the stand 2 splice into the vertical cuboid frame of a plurality of layers, and glass 6 installation component of this embodiment is used for installing glass 6 fast at the level four sides of cuboid frame.
The two side walls of the upright post 2 are respectively connected with a transverse beam 1 and a longitudinal beam 1, the first plate 3 is attached to the other two side walls, and the first plate 3 and the second plate 4 are preferably made of stainless steel materials; the second plate 4 is attached to the outer wall of the horizontal outermost side of the cross beam 1. The extending ends of the first limiting part and the second limiting part can be respectively fixed on the upright post 2 and the cross beam 1 through screws, the screws preferably penetrate into the upright post 2 and the cross beam 1, and the length of the threaded part in the screws is not more than the sum of the thicknesses of the side walls of the first limiting part and the upright post 2.
As shown in fig. 2-4, the first limiting portion and the second limiting portion each include a right-angle bent Z-shaped plate 7, a concave L-shaped portion 8 at an end of the Z-shaped plate 7 of the first limiting portion abuts against a corner of the glass 6, and an outer wall of the concave L-shaped portion 8 of the Z-shaped plate 7 of the second limiting portion abuts against an edge of the glass 6. The concave L-shaped part 8 of the first limiting part comprises two vertical plates which are perpendicular to each other, the two vertical plates are respectively attached to the side wall of the outer end of the glass 6 and the side wall adjacent to the side wall of the outer end, and the first limiting parts on the two sides can position three sides of the glass 6; the concave L-shaped part 8 of the second limiting part is matched with the first limiting part to be attached to the outer side wall of the glass 6, and the concave L-shaped part 8 also plays a role in supporting the glass 6.
As shown in fig. 1 and 2, the limiting plate 5 is a strip angle iron, one side sub-plate of the strip angle iron is fixed on the beam 1 through a screw, and the other side sub-plate of the strip angle iron abuts against the side wall of the glass 6. The strip angle iron is characterized in that glass 6 is fixed on one side opposite to the second limiting part.
The concave L-shaped part 8 of the first limiting part and the concave L-shaped part 8 of the second limiting part at two sides and a side sub-plate of the strip angle iron abutting glass 6 form a groove body which surrounds four sides of the glass 6 and can support the glass 6.
According to the glass installation assembly and the method for the elevator shaft additionally installed on the outer wall, the second plate 4 and the first plate 3 are respectively coated on the cross beam 1 and the upright post 2, the concave L-shaped part 8 of the second plate 4 and the first plate 3 is matched with the limiting plate 5 to form the groove convenient for embedding the glass 6, so that the glass 6 can be efficiently and stably installed, the integral installation efficiency of the elevator is greatly improved, and the influence on residents nearby the elevator is reduced.
As shown in fig. 1 and 2, the upright post 2 is preferably a square steel pipe, the main body of the cross beam 1 can be a square steel pipe or a channel steel, two ends of the cross beam 1 are bent outwards to form a first connecting plate 9 which can be attached to the upright post 2, and the first connecting plate 9 is fixed on the upright post 2 in a penetrating manner through bolts. The first connecting plate 9 is perpendicular to the main body of the cross beam 1.
As shown in fig. 2, a plurality of kidney-shaped holes 10 perpendicular to the length direction are sequentially arranged on one side sub-board of the strip-shaped angle iron connecting beam 1 along the length direction, and the kidney-shaped holes 10 are used for adjusting the positions of the strip-shaped angle irons relative to the glass 6. When the strip angle iron is assembled, the preset installation position of the strip angle iron can deviate due to the interaction of the mutual stress between the components, and the installation position of the strip angle iron needs to be adjusted through the kidney-shaped hole 10.
As shown in fig. 2, two ends of the strip angle iron extend out to form a second connecting plate 11 capable of being attached to the side wall of the upright post 2, and the second connecting plate 11 is fixed on the upright post 2 in a penetrating manner by screws. The provision of the second connection plate 11 enables the elongated angle iron to completely cover the side of the corresponding glass 6.
According to the glass installation method for the elevator shaft additionally installed on the outer wall, the main bodies of the cross beam 1 and the upright post 2 are square steel pipes, the cross beam 1 and the upright post 2 are arranged in a penetrating mode through bolts to form a frame of the elevator shaft, the top of each layer of cross beam 1 in the frame is provided with a groove body formed by surrounding an inward concave L-shaped part 8 of a first limiting part on two sides, an inward concave L-shaped part 8 of a second limiting part and a sub-plate of strip angle iron, the bottom of the glass 6 penetrates into the groove body, the bottom of the glass 6 is fixed in the groove body, the cross beam 1 of the groove body is additionally installed on the upper side of the glass 6, the upper end and the lower end of the glass 6 can be fixed through the groove body, and the left end and the right end of the glass 6 enter the inward concave L-shaped part 8 of the first limiting part to be fixed.
The above embodiments are not limited to the technical solution of the embodiments, and the embodiments may be combined with each other to form a new embodiment. The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present invention should be covered in the scope of the technical solution of the present invention.
Claims (8)
1. The glass installation component of the elevator shaft is additionally arranged on the outer wall, and is characterized by comprising a beam (1) and a column (2) which are spliced into a shaft frame; the upright post (2) is provided with a first plate (3), the first plate (3) is L-shaped, two side plates of the first plate are respectively attached to two adjacent outer side walls of the upright post (2), and the horizontal two ends of the first plate (3) are bent towards the upright post (2) to form a first limiting part; the beam (1) is provided with a second plate (4), the second plate (4) comprises a substrate which can be attached to the outer side wall of the beam (1), and two vertical ends of the substrate are bent towards the beam (1) to form a second limiting part; a limiting plate (5) is horizontally arranged on the cross beam (1) along the length direction of the cross beam; opposite first limiting parts on adjacent upright posts (2) are abutted against glass (6) at two sides, and second limiting parts on a cross beam (1) between the adjacent upright posts (2) and limiting plates (5) on the cross beam (1) are abutted against the glass (6) at the other two sides.
2. The glass mounting assembly of the elevator hoistway additionally installed on the outer wall according to claim 1, wherein the first limiting portion and the second limiting portion comprise right-angle bent Z-shaped plates (7), the concave L-shaped portion (8) of the end portion of each Z-shaped plate (7) of the first limiting portion is abutted to the corner of the glass (6), and the outer wall of each Z-shaped plate (7) of the second limiting portion is abutted to the edge of the glass (6).
3. The glass mounting assembly of the elevator shaft additionally installed on the outer wall according to claim 2, wherein the limiting plate (5) is a strip angle iron, one side sub-plate of the strip angle iron is fixed on the cross beam (1) through screws, and the other side sub-plate of the strip angle iron is abutted against the side wall of the glass (6).
4. A glass mounting assembly for an elevator hoistway installed on an outer wall according to claim 3, wherein the concave L-shaped portion (8) of the first limit portion and the concave L-shaped portion (8) of the second limit portion on both sides, and a side sub-plate of the strip angle iron abutting glass (6) form a groove body which surrounds four sides of the glass (6) and can support the glass (6).
5. The glass mounting assembly for the elevator shaft additionally installed on the outer wall according to claim 1, wherein the upright post (2) is a square steel pipe, the main body of the cross beam (1) is a square steel pipe or a channel steel, two ends of the cross beam (1) are outwards bent to form a first connecting plate (9) which can be attached to the upright post (2), and the first connecting plate (9) is fixed on the upright post (2) in a penetrating mode through bolts.
6. A glass installation component of an elevator shaft additionally installed on an outer wall according to claim 3, wherein a plurality of kidney-shaped holes (10) perpendicular to the length direction are sequentially formed in a side sub-plate of the long-strip angle iron connecting beam (1) along the length direction, and the kidney-shaped holes (10) are used for adjusting the positions of the long-strip angle iron relative to the glass (6).
7. A glass mounting assembly for an elevator shaft installed on an outer wall according to claim 3, wherein two ends of the strip angle iron extend out to form a second connecting plate (11) capable of being attached to the side wall of the upright post (2), and the second connecting plate (11) is fixed on the upright post (2) in a penetrating manner by screws.
8. The glass installation method for the elevator shaft additionally installed on the outer wall is characterized by being applied to the glass installation assembly for the elevator shaft additionally installed on the outer wall according to any one of claims 3 to 7, wherein the main bodies of the cross beam (1) and the upright post (2) are square steel pipes, the cross beam (1) and the upright post (2) are arranged to form a frame of the elevator shaft in a penetrating mode through bolts, the top of each layer of cross beam (1) in the frame is provided with a concave L-shaped part (8) of a first limiting part on two sides, a concave L-shaped part (8) of a second limiting part and a slot body formed by encircling a sub-board of strip angle iron, the bottom of the glass (6) is penetrated into the slot body, the glass (6) is fixed at the bottom of the slot body, the cross beam (1) of the slot body is additionally installed at the upper part of the glass (6), and the upper end and the lower end of the glass (6) can be fixed by the slot body, and the left end and the right end of the glass (6) can enter the concave L-shaped part (8) of the first limiting part to be fixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711261837.1A CN107806224B (en) | 2017-12-04 | 2017-12-04 | Glass installation assembly and method for outer wall additionally provided with elevator shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711261837.1A CN107806224B (en) | 2017-12-04 | 2017-12-04 | Glass installation assembly and method for outer wall additionally provided with elevator shaft |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107806224A CN107806224A (en) | 2018-03-16 |
CN107806224B true CN107806224B (en) | 2024-02-20 |
Family
ID=61588816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711261837.1A Active CN107806224B (en) | 2017-12-04 | 2017-12-04 | Glass installation assembly and method for outer wall additionally provided with elevator shaft |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107806224B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115676559B (en) * | 2022-12-13 | 2024-05-31 | 重庆迈高电梯有限公司 | Steel construction elevator well |
CN116122537B (en) * | 2023-01-17 | 2023-06-23 | 梅赛德斯电梯(苏州)有限公司 | Prefabricated assembled well of old building additional installation elevator |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1331234A (en) * | 1970-10-28 | 1973-09-26 | Curtis Steel Ltd | Panel frame construction |
JP2006138127A (en) * | 2004-11-12 | 2006-06-01 | Shimizu Corp | Structure of building |
JP2008121267A (en) * | 2006-11-10 | 2008-05-29 | Kokuyo Co Ltd | Partition device |
CN103174270A (en) * | 2013-03-13 | 2013-06-26 | 中天建设集团有限公司 | Mounting structure of alien-shaped metal rail |
CN203794404U (en) * | 2013-12-24 | 2014-08-27 | 杭州西奥电梯有限公司 | Lift shaft |
CN205240994U (en) * | 2015-12-21 | 2016-05-18 | 山东奔速电梯股份有限公司 | Steel well of home use elevator |
CN207672944U (en) * | 2017-12-04 | 2018-07-31 | 三洋电梯(珠海)有限公司 | A kind of exterior wall installs the glass mounting assembly of elevator shaft additional |
-
2017
- 2017-12-04 CN CN201711261837.1A patent/CN107806224B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1331234A (en) * | 1970-10-28 | 1973-09-26 | Curtis Steel Ltd | Panel frame construction |
JP2006138127A (en) * | 2004-11-12 | 2006-06-01 | Shimizu Corp | Structure of building |
JP2008121267A (en) * | 2006-11-10 | 2008-05-29 | Kokuyo Co Ltd | Partition device |
CN103174270A (en) * | 2013-03-13 | 2013-06-26 | 中天建设集团有限公司 | Mounting structure of alien-shaped metal rail |
CN203794404U (en) * | 2013-12-24 | 2014-08-27 | 杭州西奥电梯有限公司 | Lift shaft |
CN205240994U (en) * | 2015-12-21 | 2016-05-18 | 山东奔速电梯股份有限公司 | Steel well of home use elevator |
CN207672944U (en) * | 2017-12-04 | 2018-07-31 | 三洋电梯(珠海)有限公司 | A kind of exterior wall installs the glass mounting assembly of elevator shaft additional |
Also Published As
Publication number | Publication date |
---|---|
CN107806224A (en) | 2018-03-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3751864A (en) | Interstitial space frame system | |
CN107806224B (en) | Glass installation assembly and method for outer wall additionally provided with elevator shaft | |
US20210010256A1 (en) | Construction element, a module and a construction comprising such an element and method of assembly of such a construction | |
CN110612373A (en) | Prefabricated pre-decorated volume construction of buildings | |
CN207672944U (en) | A kind of exterior wall installs the glass mounting assembly of elevator shaft additional | |
JP2018178573A (en) | Staircase structure and method of manufacturing steel staircase | |
CN112459238A (en) | Integrated module wallboard, steel structure assembly type building and installation method thereof | |
CN215253788U (en) | Novel window type curtain wall beam column position closing-in system | |
CN208761927U (en) | A kind of compact home lift hoistway frame | |
US9637910B2 (en) | Modular interior partition for a structural frame building | |
CN210395626U (en) | Skeleton device for building with steel structure | |
KR102174955B1 (en) | Assembly type electric room | |
RU2667101C1 (en) | Wall element, wall section of such elements and method of its assembly | |
KR20200038594A (en) | Prefabricated electric room | |
JP2017020208A (en) | Unit type building structure | |
KR101980665B1 (en) | Modular unit for door installation | |
KR20090086794A (en) | Prefabricated wood structure and constructing method thereof | |
CN218619760U (en) | Elevator frame node and elevator frame comprising same | |
JP2018145724A (en) | Waterproof structure and waterproof construction method | |
JP7100378B2 (en) | Height-adjustable external seismic retrofitting device | |
CN216038056U (en) | Prefabricated formula elevator well convenient to transportation | |
CN212836243U (en) | Outer hanging prefabricated outer window containing auxiliary frame wallboard module, external wall panel and housing construction | |
US20230094441A1 (en) | Building system | |
CN215760003U (en) | Prefabricated post convenient to down-lead connection of lightning protection | |
JP2018053486A (en) | Elevator pit, method of constructing elevator pit, and building |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |