CN112196156A - Unit curtain wall plate anti-drop hanging joint and construction method thereof - Google Patents
Unit curtain wall plate anti-drop hanging joint and construction method thereof Download PDFInfo
- Publication number
- CN112196156A CN112196156A CN202010981088.5A CN202010981088A CN112196156A CN 112196156 A CN112196156 A CN 112196156A CN 202010981088 A CN202010981088 A CN 202010981088A CN 112196156 A CN112196156 A CN 112196156A
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- Prior art keywords
- hanging
- bolt
- curtain wall
- shaped
- unit
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/885—Curtain walls comprising a supporting structure for flush mounted glazing panels
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- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Abstract
A unit curtain wall plate anti-drop hanging node and a construction method thereof comprise a ground platform fixed with a floor slab through a T-shaped bolt assembly, a hanging bolt stabilizing assembly arranged on the bottom surface of an overhanging end of the ground platform, a hanging bolt vertically penetrating through the ground platform and the hanging bolt stabilizing assembly, at least two T-shaped hanging pieces fixed between the overhanging end of the ground platform and two groups of hanging bolt stabilizing assemblies, and a curtain wall unit vertical keel fixed between the two T-shaped hanging pieces through an assembling bolt; the hanging bolt stabilizing component comprises a hanging bolt stabilizing block, wherein the upper part of the hanging bolt stabilizing block is fixedly clamped in a clamping groove formed in the bottom surface of the platform, and a hanging piece supporting strip and a nut are sequentially fixed on the hanging bolt and below the hanging bolt stabilizing block. The anti-drop hanging node of the unit curtain wall plate breaks through the method of the existing curtain wall hanging mode on the premise of increasing the hanging quantity, simplifies the processing and field installation process, increases the operability of field adjustment, and increases the stability of the unit curtain wall plate after being hoisted.
Description
Technical Field
The invention relates to the field of building construction, and particularly belongs to an anti-falling hanging joint for a unit curtain wall plate and a construction method of the anti-falling hanging joint.
Background
The building curtain wall technology at present develops at a rapid pace, and super high-rise glass curtain walls in cities are more and more, wherein super high-rise building adopts the way of unitized curtain wall to be nearly 100%, consequently also more and more harsh to the condition that novel curtain wall will satisfy: 1) the material has various physical and mechanical properties; 2) the whole curtain wall system is required to meet the requirements of high-rise or super high-rise buildings on wind load; 3) in the construction process and the installation process, the safety of schemes of adjusting all-directional errors, preventing plates from falling off, improving the verticality of hanging bolts and the like is met; 5) the construction efficiency is improved in the construction, and the engineering quality is ensured.
Although the requirement of normal hanging amount is met in the prior art, the hanging amount is small (about 25 mm), and in the actual construction process, due to various errors and difficult construction operation and large structural deviation, the phenomenon of over-theoretical adjustment amount is caused, so that even unit plates fall under the unconventional weather condition, and the adverse effect is brought to the curtain wall industry, and therefore, curtain wall designers face huge challenges.
Disclosure of Invention
The invention aims to provide an anti-drop hanging node of a unit curtain wall plate and a construction method thereof, aiming at solving the technical problem of high difficulty in on-site adjustment of curtain wall units in the prior art; and solves the problem that the engineering quality is not easy to control in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a unit curtain plate anticreep articulates node which characterized in that: the curtain wall unit vertical keel comprises a ground platform fixed with a floor slab through a T-shaped bolt assembly, a hanging bolt stabilizing assembly arranged on the bottom surface of an overhanging end of the ground platform, a hanging bolt vertically penetrating through the ground platform and the hanging bolt stabilizing assembly, at least two T-shaped hanging pieces fixed between the overhanging end of the ground platform and two groups of hanging bolt stabilizing assemblies, and a curtain wall unit vertical keel fixed between the two T-shaped hanging pieces through an assembling bolt; the hanging bolt stabilizing assembly comprises a hanging bolt stabilizing block, wherein the upper portion of the hanging bolt stabilizing block is fixedly clamped in a clamping groove formed in the bottom surface of the platform, hanging support strips and nuts are sequentially fixed on the hanging bolt and below the hanging bolt stabilizing block, a T-shaped hanging transverse portion and a partial vertical portion vertically penetrate through the T-shaped clamping groove formed in the platform, and the bottom surface of the T-shaped hanging transverse portion is abutted to the hanging support strips.
Further preferably, the bottom surface of the pendant supporting strip is provided with a nut clamping groove for limiting a nut, and the top surface of the pendant supporting strip is provided with a clamping table for limiting the pendant supporting strip.
Furthermore, the bottom surface of the nut clamping groove and the supporting strip plates on the two sides are respectively bent inwards to form a nut anti-falling space.
Furthermore, the position of the T-shaped hanger, which is abutted to the hanger supporting strip, is a rectangular opening, and the top surface of the hanger supporting strip is abutted to the top surface of the rectangular opening.
Furthermore, the hanging bolt stabilizing assembly comprises two hanging bolt stabilizing blocks respectively positioned at two sides of the two T-shaped hanging pieces and a hanging piece supporting strip positioned below the two hanging bolt stabilizing blocks.
Further, T type bolt assembly buries the T type bolt on piece and the fixed slot type buries the piece including the slot type of burying underground in the floor, the slot type buries the piece and includes top surface open-ended slot pole and fixes the pole that buries in the slot pole bottom surface, T type bolt horizontal part card is in the slot pole, erect the portion and pass the upper strip through-hole of ground platform sign indicating number and pass through backing plate and nut fixed, will ground platform sign indicating number is fixed with the floor.
Further, the bottom surface of the base plate is meshed and connected with the top surface of the ground platform.
In addition, the bottom surfaces of the baffles at two sides of the opening on the top surface of the groove rod are all outwards inclined downwards to form a T-shaped bolt transverse part clamping space with the side wall, the transverse parts at two sides of the T-shaped bolt are all outwards inclined upwards to form a hook-shaped structure, and the hook-shaped structure and the T-shaped bolt transverse part clamping space are clamped.
More preferably, the adjacent T-shaped clamping grooves are arranged in an included angle or in parallel.
A construction method for an anti-drop hanging joint of a unit curtain wall plate is characterized by comprising the following steps:
a construction method of an anti-drop hanging joint of a unit curtain wall plate comprises the following steps:
step one, installing a platform code: the construction personnel are positioned on the floor slab to fix the platform yard on the floor slab through the T-shaped bolt;
step two, installing a hanging bolt stabilizing assembly: inserting the hanging bolt stabilizing block into the clamping groove, inserting the nut into the nut clamping groove of the pendant supporting strip, and vertically penetrating the hanging bolt through the platform and the pendant supporting strip and connecting the hanging bolt with the nut in a threaded manner;
step three, installing a T-shaped hanging piece and a curtain wall unit vertical keel: unit plate erects fossil fragments and T type pendant fixed connection through the equipment bolt, afterwards, it is fixed with T type pendant with the curtain unit erector of whole unit plate, T type pendant is vertical to pass T type draw-in groove, the rectangle of T type pendant lower part is opened the corner butt on the pendant holds in the palm the strip, design according to the curtain molding, horizontal position through strip through-hole adjustment unit plate T type pendant, articulate bolt adjustment pendant holding in the palm the strip through the knob and articulate stable piece interval of bolt, then adjust the vertical position of two T type pendants about the unit plate, until the position that accords with the design requirement, to this point, unit curtain plate anticreep articulates the node construction and accomplishes.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the anti-drop hanging node of the unit curtain wall plate breaks through the method of the existing curtain wall hanging mode on the premise of increasing the hanging quantity, simplifies the processing and field installation process, increases the operability of field adjustment, and increases the stability of the unit curtain wall plate after being hoisted; in addition, the matching error of a factory processing machine thread sleeve hole is avoided, the safety of field adjustment construction is enhanced, the unit curtain wall plate is prevented from falling in a burst state, the engineering quality is easy to control, and the safety degree of the curtain wall is improved.
The invention reasonably increases the absorption of field adjustable errors while satisfying the field normal hoisting, effectively increases the flatness of the unit curtain wall plate and avoids the risk of falling of the unit curtain wall plate; the process is simplified, the field processing and mounting procedures can be reduced, and the engineering quality is easy to control; in high-rise buildings, the high-altitude staying time of workers can be shortened, the safety is improved, the high-altitude staying device has good popularization and practical values, and good economic benefits can be generated after wide popularization and application.
Drawings
FIG. 1 is a schematic perspective view of an anti-drop hanging joint for a unit curtain wall plate according to the present invention;
FIG. 2 is a sectional view of an anti-drop hanging joint of a unit curtain wall plate according to the present invention;
fig. 3 is a top view of the anti-drop hanging node of the unit curtain wall plate according to the invention.
Reference numerals: 1-a floor slab; 2-a ground code; 3-hanging a bolt stabilizing block; 4-hanging bolts; 5-T-shaped hanging pieces; 6-assembling the bolt; 7-curtain wall unit vertical keel; 8-a clamping groove; 9-a nut; a 10-T-shaped card slot; 11-nut slot; 12-a clamping table; 13-rectangular corner opening; 14-grooved bars; 15-burying a rod; 16-strip-shaped through holes; 17-a backing plate; 18-T bolt; 19-hanging support strip.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
An anti-drop hanging node for a unit curtain wall plate is made of an aluminum alloy material and comprises a ground platform 2 fixed with a floor slab 1 through a T-shaped bolt assembly, a hanging bolt stabilizing assembly arranged on the bottom surface of an overhanging end of the ground platform 2, a hanging bolt 4 vertically penetrating through the ground platform 2 and the hanging bolt stabilizing assembly, at least two T-shaped pendants 5 fixed between the overhanging end of the ground platform 2 and two groups of hanging bolt stabilizing assemblies, and a curtain wall unit vertical keel 7 fixed between the two T-shaped pendants 5 through an assembling bolt 6, as shown in figures 1-3; the hanging bolt stabilizing component comprises a hanging bolt stabilizing block 3, wherein the upper part of the hanging bolt stabilizing block is fixedly clamped in a clamping groove 8 formed in the bottom surface of the platform yard 2, a hanging piece supporting strip 19 and a nut 9 are sequentially fixed on a hanging bolt 4 and below the hanging bolt stabilizing block 3, a T-shaped clamping groove 10 formed in the platform yard 2 is vertically penetrated by the transverse part and the partial vertical part of the T-shaped hanging piece 5, and the bottom surface of the T-shaped hanging piece is abutted to the hanging piece supporting strip 19.
In this embodiment: the bottom surface of the hanging supporting strip 19 is provided with a nut clamping groove 11 for limiting a nut 9, the top surface of the hanging supporting strip 19 is provided with a clamping table 12 for limiting the hanging supporting strip 19, the bottom surface of the nut clamping groove 11 and supporting strip plates on two sides are respectively bent inwards to form a nut anti-falling space, the nut 9 is embedded in the nut clamping groove 11 and is installed on the hanging supporting strip 19, a constructor can construct in a safe area on a floor slab, the height of the hanging bolt 4 can be adjusted on site, the risk of high-altitude operation is avoided, the hanging bolt 4 and the nut 9 are standard components according to the specification, the thread matching safety degree is high, the matching risk of threading under the supporting condition is avoided, the clamping table 12 is arranged on the hanging supporting strip 19 and is matched with the T-shaped hanging piece 5, the torsion of the plate in the using process is prevented, and; through reasonable calculation, the length of the lengthened hanging bolt has hanging amount not less than 65mm after the error of the absorption structure is 25mm, and the risk of falling during normal use is avoided.
In this embodiment: the position of T type pendant 5 and pendant support strip 19 butt is rectangle opening angle 13, the top surface of pendant support strip 19 and the top surface butt of rectangle opening angle, it includes two blocks that are located two T type pendants 5 both sides respectively to articulate bolt stabilizing block 3 and is located a pendant support strip 19 of two blocks that articulate bolt stabilizing block 3 below, articulate bolt stabilizing block 3 and carry out construction control to the straightness that hangs down of articulating bolt 4, avoid only leaning on the wall thickness adjustment of 2 section bars of ground platform sign indicating number to articulate bolt 4, the defect of the straightness that hangs down of unable better control articulation bolt 4, do benefit to the roughness of control curtain installation face.
In this embodiment: the T-shaped bolt assembly comprises a groove type embedded part embedded in the floor slab 1 and a T-shaped bolt 18 fixed on the groove type embedded part, the groove type embedded part comprises a groove rod 14 with an opening on the top surface and an embedded rod 15 fixed on the bottom surface of the groove rod 14, the transverse part of the T-shaped bolt is clamped in the groove rod 14, the vertical part of the T-shaped bolt penetrates through a strip-shaped through hole 16 on the ground platform 2 and is fixed through a backing plate 17 and a nut, the ground platform 2 is fixed with the floor slab 1, the width of the groove rod 14 is larger than the width of the ground platform 2, at least two embedded rods 15 are fixed on the bottom surface of the groove rod 14, hammers are fixed on the bottom surface of the groove rod 15, the bottom surfaces of baffle plates on two sides of the opening on the top surface of the groove rod 14 are inclined from outside to inside and downwards to form a T-shaped bolt transverse part, the hook-shaped structure and the joint are in the T-shaped bolt transverse part joint space, namely, two sides of the transverse part of the T-shaped bolt 18 are hooked and connected with the top plates at two sides of the groove rod 14.
In this embodiment: the bottom surface of the backing plate 17 is meshed with the top surface of the platform 2, namely, the bottom surface of the backing plate 17 and the top surface of the platform 2 are both provided with mutually meshed thread belts.
In this embodiment: the adjacent T-shaped slots 10 are arranged in an included angle or in parallel, fig. 3 is a diagram showing that the adjacent T-shaped slots 10 are arranged in an included angle, and the included angle is arranged to match with the integral shape of the curtain wall.
A construction method of an anti-drop hanging joint of a unit curtain wall plate comprises the following steps:
step one, installing a platform code 2: the construction personnel are positioned on the floor slab 1 to fix the floor platform code 2 on the floor slab 1 through the T-shaped bolts 18;
step two, installing a hanging bolt stabilizing assembly: inserting the hanging bolt stabilizing block 3 into the clamping groove 8, inserting the nut 9 into the nut clamping groove 11 of the pendant supporting strip 19, vertically penetrating the hanging bolt 4 through the ground platform 2 and the pendant supporting strip 19, and connecting the hanging bolt with the nut 9 in a threaded manner;
step three, installing a T-shaped hanging piece 5 and a curtain wall unit vertical keel 7: through equipment bolt 6 with unit plate piece vertical keel 7 and 5 fixed connection of T type pendant, later, the T type pendant 5 that will have curtain unit vertical keel 7 vertically passes T type draw-in groove 10, the rectangle of T type pendant 5 is opened the corner 13 butt on pendant holding strip 19, design according to the curtain molding, adjust the horizontal position of unit plate piece T type pendant 5 through strip through-hole 16, articulate bolt 4 through the knob and adjust pendant holding strip 19 and articulate 3 intervals of bolt steady piece, then adjust the vertical position of two T type pendants 5 about the unit plate piece, until the position that accords with the design requirement, to this point, unit curtain plate piece anticreep articulates the node construction and accomplishes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a unit curtain plate anticreep articulates node which characterized in that: the floor comprises a ground platform (2) fixed with a floor slab (1) through a T-shaped bolt assembly, a hanging bolt stabilizing assembly arranged on the bottom surface of the overhanging end of the ground platform (2), a hanging bolt (4) vertically penetrating through the ground platform (2) and the hanging bolt stabilizing assembly, at least two T-shaped hanging pieces (5) fixed between the overhanging end of the ground platform (2) and two groups of hanging bolt stabilizing assemblies, and a curtain wall unit vertical keel (7) fixed between the two T-shaped hanging pieces (5) through an assembling bolt (6); the hanging bolt stabilizing assembly comprises a hanging bolt stabilizing block (3) which is fixedly clamped at the upper part in a clamping groove (8) formed in the bottom surface of the platform (2), hanging support strips (19) and nuts (9) are sequentially fixed below the hanging bolt stabilizing block (3) on the hanging bolt (4), T-shaped hanging pieces (5) are vertically penetrated through T-shaped clamping grooves (10) formed in the platform (2) at the transverse part and the vertical part, and the bottom surfaces are abutted against the hanging support strips (19).
2. The anti-drop hanging joint of the unit curtain wall plate as claimed in claim 1, wherein: the bottom surface of the pendant supporting strip (19) is provided with a nut clamping groove (11) for limiting a nut (9), and the top surface of the pendant supporting strip is provided with a clamping table (12) for adjusting the flatness of the pendant supporting strip (19).
3. The anti-drop hanging joint of the unit curtain wall plate as claimed in claim 2, wherein: the bottom surface and the two side holding strip plates of the nut clamping groove (11) are respectively bent inwards to form a nut anti-falling space.
4. The anti-drop hanging joint of the unit curtain wall plate as claimed in claim 1, wherein: the T-shaped hanger (5) is abutted to the hanger supporting strip (19) through a rectangular opening (13), and the top surface of the hanger supporting strip (19) is abutted to the top surface of the rectangular opening.
5. The anti-drop hanging joint of the unit curtain wall plate as claimed in claim 1, wherein: the hanging bolt stabilizing assembly comprises two hanging bolt stabilizing blocks (3) which are respectively positioned at two sides of the two T-shaped hanging pieces (5) and a hanging piece supporting strip (19) which is positioned below the two hanging bolt stabilizing blocks (3).
6. The anti-drop hanging joint of the unit curtain wall plate as claimed in claim 1, wherein: t type bolt assembly buries the piece and T type bolt (18) on the piece is buried to fixed slot type including the slot type of burying underground in floor (1), the piece is buried including top surface open-ended groove pole (14) and fixing burying pole (15) in groove pole (14) bottom surface to the slot type, T type bolt horizontal part card is in groove pole (14), erect the portion and pass ground platform sign indicating number (2) upper strip through-hole (16) and fix through backing plate (17) and nut, will ground platform sign indicating number (2) are fixed with floor (1).
7. The anti-drop hanging joint of the unit curtain wall plate as claimed in claim 6, wherein: the bottom surface of the backing plate (17) is meshed and connected with the top surface of the platform (2)
The anti-drop hanging joint of the unit curtain wall plate as claimed in claim 6, wherein: the T-shaped bolt transverse part clamping space is defined by baffle bottom surfaces on two sides of an opening on the top surface of the groove rod (14) from outside to inside and downward inclined and side walls, hook-shaped structures are formed by the transverse parts on two sides of the T-shaped bolt (18) from inside to outside and upward inclined, and the hook-shaped structures and the clamping are arranged in the T-shaped bolt transverse part clamping space.
8. The anti-drop hanging joint of the unit curtain wall plate as claimed in claim 1, wherein: the adjacent T-shaped clamping grooves (10) are arranged in an included angle or in parallel.
9. The construction method of an anti-drop hanging joint of a unit curtain wall plate as claimed in any one of claims 1 to 9, comprising the steps of:
step one, installing a ground platform code (2): the construction personnel are positioned on the floor slab (1) to fix the floor platform (2) on the floor slab (1) through T-shaped bolts (18);
step two, installing a hanging bolt stabilizing assembly: inserting the hanging bolt stabilizing block (3) into the clamping groove (8), inserting the nut (9) into a nut clamping groove (11) of the pendant supporting strip (19), vertically penetrating the hanging bolt (4) through the ground platform (2) and the pendant supporting strip (19), and connecting the hanging bolt (4) with the nut (9) in a threaded manner;
step three, installing a T-shaped hanging piece (5) and a curtain wall unit vertical keel (7): through equipment bolt (6) with unit plate vertical keel (7) and T type pendant (5) fixed connection, later, T type pendant (5) that will have curtain unit vertical keel (7) vertically pass T type draw-in groove (10), the rectangle of T type pendant (5) is opened angle (13) butt on pendant holding strip (19), design according to the curtain molding, adjust the horizontal position of unit plate T type pendant (5) through strip through-hole (16), adjust holding strip (19) and articulate stable piece of bolt (3) interval through knob articulate bolt (4) pendant, then adjust the vertical position of two T type pendants (5) about the unit plate, until the position that accords with the design requirement, this moment, unit curtain plate anticreep articulates the node construction and accomplishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981088.5A CN112196156A (en) | 2020-09-17 | 2020-09-17 | Unit curtain wall plate anti-drop hanging joint and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981088.5A CN112196156A (en) | 2020-09-17 | 2020-09-17 | Unit curtain wall plate anti-drop hanging joint and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112196156A true CN112196156A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010981088.5A Pending CN112196156A (en) | 2020-09-17 | 2020-09-17 | Unit curtain wall plate anti-drop hanging joint and construction method thereof |
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| Country | Link |
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| CN (1) | CN112196156A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585572A (en) * | 2021-08-26 | 2021-11-02 | 潮峰钢构集团有限公司 | Supporting system for fixing curtain wall keel by using wall-penetrating anchor rod and supporting method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1764450A1 (en) * | 2005-09-19 | 2007-03-21 | Alumafel, S.A. | Covering for facades |
| CN202577670U (en) * | 2012-03-07 | 2012-12-05 | 沈阳远大铝业工程有限公司 | Support plate type three-dimensional regulation hooking device for unit curtain wall |
| CN203373885U (en) * | 2013-07-22 | 2014-01-01 | 中国建筑股份有限公司 | Element curtain wall hanging part structure |
| CN211286184U (en) * | 2019-11-05 | 2020-08-18 | 广州江河幕墙系统工程有限公司 | Anti-jumping unit body flat-buried hanging system |
-
2020
- 2020-09-17 CN CN202010981088.5A patent/CN112196156A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1764450A1 (en) * | 2005-09-19 | 2007-03-21 | Alumafel, S.A. | Covering for facades |
| CN202577670U (en) * | 2012-03-07 | 2012-12-05 | 沈阳远大铝业工程有限公司 | Support plate type three-dimensional regulation hooking device for unit curtain wall |
| CN203373885U (en) * | 2013-07-22 | 2014-01-01 | 中国建筑股份有限公司 | Element curtain wall hanging part structure |
| CN211286184U (en) * | 2019-11-05 | 2020-08-18 | 广州江河幕墙系统工程有限公司 | Anti-jumping unit body flat-buried hanging system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585572A (en) * | 2021-08-26 | 2021-11-02 | 潮峰钢构集团有限公司 | Supporting system for fixing curtain wall keel by using wall-penetrating anchor rod and supporting method thereof |
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Application publication date: 20210108 |