CN112942847B - Construction method for mounting decorative plate outside old curtain wall by crossing bottom barrier - Google Patents

Construction method for mounting decorative plate outside old curtain wall by crossing bottom barrier Download PDF

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Publication number
CN112942847B
CN112942847B CN202110156621.9A CN202110156621A CN112942847B CN 112942847 B CN112942847 B CN 112942847B CN 202110156621 A CN202110156621 A CN 202110156621A CN 112942847 B CN112942847 B CN 112942847B
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China
Prior art keywords
steel frame
decorative
building
decorative steel
steelframe
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CN202110156621.9A
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CN112942847A (en
Inventor
刘文亚
罗卫军
黄树勋
李宝新
王涛
黄崇炯
苏逸荣
韦家浩
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Guangdong Centurystar Construction Group Co ltd
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Guangdong Centurystar Construction Group Co ltd
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Priority to CN202110156621.9A priority Critical patent/CN112942847B/en
Publication of CN112942847A publication Critical patent/CN112942847A/en
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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
    • E04G21/14—Conveying or assembling building elements
    • 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
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • E04G21/162—Handles to carry construction blocks
    • 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
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E04G3/32—Hoisting devices; Safety devices
    • E04G3/325—Safety devices for stabilising the mobile platform, e.g. to avoid it swinging in the wind
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Abstract

The application relates to a construction method for mounting a decorative plate outside an old curtain wall by crossing a bottom barrier, belonging to the field of decorative plate construction and comprising the following steps: s1, erecting a scaffold on the top of an old building; s2, erecting a hanging basket and an electric hoist on a main steel beam at the top of the old building; s3, checking and accepting the hanging basket: s4, assembling the decorative steel frames, and meanwhile, installing brackets at specified positions outside the curtain wall; s5, fixing a binding rope on the decorative steel frame, and simultaneously fixedly connecting the electric hoist with the decorative steel frame, wherein the electric hoist lifts the decorative steel frame upwards, meanwhile, a worker pulls the binding rope below the old building to pull the decorative steel frame in a direction away from the outer wall of the building, and the decorative steel frame is fixedly connected with the bracket; s6, checking and accepting the decorative steel frame and the decorative plate, dismantling the hanging basket, and dismantling the scaffold. This application has the hindrance of overcoming the old canopy of building outer wall, installs the effect of decorative board smoothly outside the old curtain of current building.

Description

Construction method for mounting decorative plate outside old curtain wall by crossing bottom barrier
Technical Field
The application relates to the field of decorative plate construction, in particular to a construction method for mounting a decorative plate outside an old curtain wall by crossing a bottom barrier.
Background
The prior decorative plate is an artificial plate, the panel of the decorative plate has various patterns, and the decorative plate has different shapes and is suitable for various fields and environmental requirements after being processed; the decorative plate has good performances of wear resistance, cold resistance, heat resistance, fire resistance and the like, is used for various places such as indoor or outdoor places and the like, and is used as environmental decoration or enterprise marks.
In order to highlight the enterprise culture and conduct enterprise propaganda, a decoration plate needs to be installed on the building outer wall, and the decoration plate is made into an enterprise sign shape and used for enterprise propaganda.
To the correlation technique among the above-mentioned, the inventor thinks that the existing building has installed outer wall structures such as canopy, and has existed other buildings around the existing building, and original tower crane has also been demolishd, can't build new tower crane, installs the decorative board outside the old curtain of existing building, has the inconvenient defect of installation.
Disclosure of Invention
In order to overcome the obstacles such as the old rainshed of the outer wall of the building when the decorative plate is installed outside the old curtain wall of the existing building, the application provides a construction method for spanning the bottom barrier and additionally installing the decorative plate outside the old curtain wall.
The application provides a stride across bottom barrier and install decorative board's construction method additional outside old curtain adopts following technical scheme:
a construction method for mounting a decorative plate outside an old curtain wall across a bottom barrier comprises the following steps:
s1, erecting a scaffold on the top of an old building;
s2, erecting a support on a main steel beam at the top of the old building, connecting a balance weight on the support, erecting the balance weight on a floor slab at the top of the building, and suspending and fixing the hanging basket and the support; erecting a fixing frame on a main body steel cross beam at the top of an old building, wherein one end of the fixing frame is cantilevered out of the outer wall of the building, and the cantilevered end of the fixing frame is provided with an electric hoist;
s3, checking and accepting the hanging basket;
s4, assembling the decorative steel frames, and meanwhile, installing brackets at specified positions outside the curtain wall;
s5, fixing a binding rope on the decorative steel frame, and simultaneously fixedly connecting the electric hoist with the decorative steel frame, wherein the electric hoist lifts the decorative steel frame upwards, meanwhile, a worker pulls the binding rope below the old building to pull the decorative steel frame in a direction away from the outer wall of the building, and the decorative steel frame is fixedly connected with the bracket;
s6, checking and accepting the decorative steel frame and the decorative plate, dismantling the hanging basket, and dismantling the scaffold.
Through adopting above-mentioned technical scheme, the scaffold frame take and provide the guarantee for personnel's safety, make the staff can rely on the scaffold frame to carry out safe fixation, the installation of the follow-up equipment of being convenient for. Decorate the steelframe and pass through electric block and hoist and mount the top from old building bottom, the workman drags through the constraint rope during this and decorates the steelframe bottom, make and decorate the steelframe and keep away from to the in-process that rises with the building outer wall, thereby avoid producing the collision with structures such as the canopy on building curtain and the building outer wall, decorate the steelframe and hoist bracket department, the workman will adorn formula steelframe and bracket fixed connection in the hanging flower basket, reach the hindrance of overcoming the old canopy of building outer wall, install the effect of decorative board smoothly outside current building old curtain.
Optionally, be provided with between electric block and the decoration steelframe and be connected the rope, connect rope one end and articulate with electric block, the other end with decorate steelframe fixed connection.
Through adopting above-mentioned technical scheme, the setting up of connecting the rope provides the tie point for electric block and the fixed of decorating the steelframe, replaces electric block and decorates steelframe lug connection, avoids electric block and decorates steelframe direct rigid contact, reduces the wearing and tearing of decorating the steelframe.
Optionally, the binding ropes are arranged in two numbers, and the fixing points of the adjacent binding ropes and the decorative steel frame and the suspension points of the electric hoist and the decorative steel frame are arranged in a triangular mode.
Through adopting above-mentioned technical scheme, adjacent constraint rope drags the decoration steelframe along the equidirectional respectively, makes the in-process of decorating the steelframe hoist and mount upwards keep the distance with building curtain, avoids colliding badly the building outer wall on the one hand, and on the other hand adopts two directions to drag the decoration steelframe, has promoted the stability of decorating steelframe hoist and mount in-process.
Optionally, curtain and curtain fossil fragments fixed connection are run through to bracket one end, and the bracket level sets up, and the bracket other end is along keeping away from the setting of encorbelmenting of curtain direction, and the bracket is provided with a plurality ofly, and adjacent bracket is complied with the old building outer wall molding, sets up along vertical direction interval.
Through adopting above-mentioned technical scheme, the setting up of bracket provides the stress point for decorating the fixed of steelframe, and the bracket installation is convenient, and is little to having the destruction degree of curtain, has fixed the fastness that has promoted after decorating the steelframe installation with curtain fossil fragments simultaneously, makes and decorates steelframe and curtain and become a whole.
Optionally, decorate fixed limiting plate that is provided with on the steelframe, the limiting plate sets up a plurality ofly, and the limiting plate sets up quantity the same with the bracket sets up quantity, and the limiting plate level sets up, limiting plate one end with decorate steelframe fixed connection, the spacing groove has been seted up to other end terminal surface, and the spacing groove is seted up along being close to decorate steelframe direction level, and the spacing groove is opened and is passed through the limiting plate bottom surface, and the bracket is located the spacing inslot, bracket outer wall and spacing inslot wall butt.
Through adopting above-mentioned technical scheme, seting up of spacing groove makes limiting plate and bracket form tentatively to inlay the card fixed, makes to decorate the steelframe and place the back on the bracket and can reach preliminary assigned position, follow-up decorate the fine setting of steelframe position again can, promoted the installation effectiveness, still guaranteed the stability after decorating the steelframe hoist and mount simultaneously.
Optionally, when the decorative steel frame is hoisted, a trailer is erected at the bottom of the decorative steel frame, the decorative steel frame is hoisted upwards and moves towards the position close to the building outer wall, and the trailer bears the decorative steel frame and moves towards the position close to the building outer wall.
By adopting the technical scheme, the trailer vehicle is always arranged to move along with the decorative steel frame in the process of lifting the decorative steel frame off the ground, so that one end of the installed steel frame, which is far away from the electric hoist, is not contacted with the bottom surface, the decorative steel frame is protected from being scraped by the ground, and the decorative steel frame is protected.
Optionally, after the decorative steel frame is transported to the construction site, a plurality of overhead plates are paved on the construction site, adjacent overhead plates are arranged at intervals, and the decorative steel frame is placed on the overhead plates.
By adopting the technical scheme, the arrangement of the overhead plate enables the decorative steel frame to have a distance with the bottom surface of the construction field after being conveyed to the construction field, avoids sundries or rough ground on the construction field and the decorative steel frame from being scraped by a scraper, is convenient to bind when subsequent hoisting equipment is bound on the decorative steel frame, and improves the construction efficiency.
Optionally, connect the rope and be provided with a plurality ofly, adjacent connection rope is kept away from and is decorated steelframe one end and all articulates with electric block, and the other end all is fixed with decorating the steelframe ligature, and the ligature fixed point is inequality.
Through adopting above-mentioned technical scheme, the setting of a plurality of connection ropes forms a plurality of ligature points on decorating the steelframe, and a plurality of fixed points hoist and mount decorating the steelframe, have promoted the stability when decorating the steelframe hoist and mount.
Optionally, a steel wire rope is arranged between one end, away from the building edge, of the support and the main steel beam at the top of the old building, one end of the steel wire rope is bound and fixed with the support, and the other end of the steel wire rope is fixedly connected with the main steel beam at the top of the old building.
By adopting the technical scheme, the arrangement of the steel wire rope is used as a secondary protection measure after the counterweight is unstable, and the stability of the support is improved.
Optionally, waterproof paint is coated outside the decorative steel frame.
Through adopting above-mentioned technical scheme, waterproof paint makes to decorate the steelframe and has waterproof function, deals with sleet weather, has prolonged the life who decorates the steelframe.
In summary, the present application includes at least one of the following beneficial technical effects:
1. workers pull the bottom of the decorative steel frame through the binding rope to keep a distance between the decorative steel frame and the building outer wall in the process of rising, so that collision between the decorative steel frame and structures such as a building curtain wall and a canopy on the building outer wall is avoided, the obstruction of an old canopy on the building outer wall is overcome, and the decorative plate is smoothly installed outside the existing building curtain wall;
2. the limiting groove is formed to enable the limiting plate and the bracket to be preliminarily clamped and fixed, so that the decorative steel frame can reach a preliminarily specified position after being placed on the bracket, and then fine adjustment of the position of the decorative steel frame is carried out, the mounting efficiency is improved, and meanwhile, the stability of the decorative steel frame after being hoisted is ensured;
3. the connection rope sets up to the fixed tie point that provides of electric block and decoration steelframe, avoids electric block and decoration steelframe direct rigid contact, reduces the wearing and tearing of decorating the steelframe.
Drawings
Fig. 1 is a schematic view of a construction state of an embodiment of the present application.
FIG. 2 is a schematic view showing a part of the structure of the stent.
FIG. 3 is a schematic view showing a part of the structure of the trailer.
Fig. 4 is a schematic diagram showing a part of the structure at the position of the limit plate.
Description of reference numerals: 1. a support; 11. a hanging basket; 2. a fixed mount; 21. an electric hoist; 3. decorating a steel frame; 31. a binding rope; 32. connecting ropes; 4. a bracket; 5. a limiting plate; 51. a limiting groove; 6. a trailer; 7. an overhead plate; 8. a steel cord.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a construction method for mounting a decorative plate outside an old curtain wall by crossing a bottom barrier.
A construction method for mounting a decorative plate on an old curtain wall by crossing a bottom barrier comprises the following steps:
s1, referring to FIG. 1, the prefabricated decorative steel frame 3 is conveyed to a construction site, the construction site is a finished building, structures such as a glass curtain wall and a rain shed are installed on an outer wall, and a tower crane is installed on the construction site again, so that the decorative steel frame 3 is conveyed to the construction site, an overhead plate 7 is laid on the construction site, and the decorative steel frame 3 is placed on the overhead plate 7. Erect the scaffold frame at the building top, the workman is as the standing point according to the scaffold frame, and the scaffold frame plays the guard action to the workman simultaneously, with 1 fixed mounting's of support roof top, support 1 promptly and main part steel crossbeam fixed connection who has the building top, for being convenient for see clearly support 1, this embodiment scaffold frame is not drawn.
S2, referring to fig. 1 and 2, one end of a support 1 extends out of the outline of a building, the other end of the support is still at the top of the building, a balance weight is fixedly connected to the support 1, the balance weight is fixedly connected to one end, located at the top of the building, of the support 1, a steel wire rope 8 is arranged on the support 1, one end of the steel wire rope 8 is fixedly connected with one end, located at the top of the building, of the support 1, the other end of the steel wire rope is fixedly bound with a main steel cross beam at the top of the building, and a hanging basket 11 is suspended and fixed to one overhanging end of the support 1. Support 1 is provided with a plurality ofly, and adjacent support 1 sets up along building top outer eaves interval at the building top. Wherein, 22 standard weights are used for a single bracket 1, and a phi 12 steel wire rope 8 is used for the steel wire rope 8.
S3, referring to FIG. 2, the hanging basket 11 is checked and accepted, the hanging basket 11 is debugged, the two sides of the hanging basket 11 are inclined by no more than 15cm, and the hanging basket 11 is tried in a no-load mode.
S4, referring to the figures 1 and 2, a fixed frame 2 is further fixed to the top of the building, the erection mode of the fixed frame 2 is the same as that of the support 1, and the difference is that an electric hoist 21 is hung at one overhanging end of the fixed frame 2, the electric hoist 21 is used for hanging and transporting the decorative steel frame 3, and the hanging basket 11 is used for bearing workers.
Referring to fig. 1 and 3, decorating steelframe 3 and being the dysmorphism form, and dispatching from the factory and adding 3 outer spraying of decorating steelframe and having waterproof paint, for the transportation of being convenient for, decorating steelframe 3 and adopting prefabricated pin-connected panel, decorating steelframe 3 earlier and wholly divide into two big plates, and steel frame 3 is decorated to single plate welds and assembles. A hole is formed in the curtain wall at the hanging position of the decorative steel frame 3, a bracket 4 is arranged on a keel of the curtain wall, the bracket 4 can be made of rectangular steel, the bracket 4 is horizontally arranged, one end of the bracket 4 is fixedly connected with the keel of the curtain wall, the other end of the bracket 4 is arranged in a hanging manner, and the bracket 4 is integrally and horizontally arranged; in decorating 3 pre-installation areas of steelframe, the bracket 4 is provided with a plurality ofly, and adjacent 4 intervals of bracket set up in order to correspond 3 models of decorating the steelframe.
Referring to fig. 1 and 4, a limiting plate 5 is arranged on the decorative steel frame 3, the limiting plate 5 is positioned on one side, close to the building curtain wall, of the decorative steel frame 3, the limiting plate 5 is arranged perpendicular to the decorative steel frame 3, one end of the limiting plate 5 is fixedly connected with the decorative steel frame 3, the other end of the limiting plate 5 is arranged in a cantilever mode in the direction far away from the decorative steel frame 3, and the limiting plate 5 is made of steel; the limiting groove 51 is formed in the end face, close to the building curtain wall, of the limiting plate 5, the limiting groove 51 is formed in the length direction of the limiting plate 5, and for convenience of description, when the limiting plate 5 is in a horizontal state, the limiting groove 51 penetrates through the bottom face of the limiting plate 5 at the same time. The quantity that limiting plate 5 set up corresponds with the quantity that bracket 4 set up, and after decorating the hoist and mount of steelframe 3 outside the building curtain, limiting plate 5 and bracket 4 correspond each other, and bracket 4 inlay card is in spacing groove 51, with bracket 4 and limiting plate 5 welded fastening.
S5, referring to fig. 1 and 4, a binding rope 31 and a connecting rope 32 are arranged on the decorative steel frame 3, the connecting rope 32 and the binding rope 31 are respectively provided with two, one end of the connecting rope 32 is bound and fixed with the decorative steel frame 3, the other end of the connecting rope is bound and fixed with the electric hoist 21, binding points of the two connecting ropes 32 and the decorative steel frame 3 are different, and the specific binding positions are obtained through mechanical calculation, so that the stability of the decorative steel frame 3 during hoisting is improved; one end of each connecting rope 32 far away from the decorative steel frame 3 is fixedly bound with the electric hoist 21. 31 one end of constraint rope is with decorating 3 ligatures of steelframe, the other end is handheld by the workman, two constraint ropes 31 and the ligature point of decorating steelframe 3, it distributes to be triangle-shaped state with electric block 21, the workman drags constraint rope 31, to decorating 3 to keeping away from building curtain direction stay cords of steelframe, thereby the distance between 3 and the building curtain of steelframe is decorated in the control, decorate 3 department of stacking of steelframe and placed trailer 6, when decorating 3 hoists of steelframe, it bears with trailer 6 to decorate 3 bottoms of steelframe, until decorating 3 complete break away from ground of steelframe, reach the hindrance of overcoming the old canopy of building outer wall, install the effect of decorative board outside the old curtain at current building smoothly.
S6, after the decorative steel frame 3 is installed, the position is inspected, accepted and fine-tuned, and a decorative plate is fixed on the subsequent decorative steel frame 3 and is used as enterprise representation and culture propaganda. And after the installation is finished, the hanging basket 11, the electric hoist 21 and the scaffold are orderly dismantled.
The implementation principle of the construction method for mounting the decorative plate outside the old curtain wall by crossing the bottom barrier in the embodiment of the application is as follows: it transports the building below of treating the installation to decorate steelframe 3, the workman assembles the welding to decorating steelframe 3, the welding is two big plates, all the other workers take the elevator to carry out the scaffold to the building roof simultaneously, electric block 21 and hanging flower basket 11's installation, the workman enters into in hanging flower basket 11, carry out the installation of bracket 4 at the assigned position, both sides promote the efficiency of construction simultaneously, decorate steelframe 3 and weld limiting plate 5 on being close to the lateral wall of building curtain simultaneously, tie binding rope 31 and connect rope 32 at decoration steelframe 3 upper plate, it is fixed with electric block 21 to connect rope 32 to keep away from 3 one end of decoration steelframe to articulate, binding rope 31 is kept away from 3 one end of decoration steelframe and is dragged by the workman, start electric block 21, it is close to being close to building curtain direction to decorate steelframe 3 when upwards rising, it bears with carriage 6 to decorate 3 bottom of steelframe this moment, until decoration steelframe 3 breaks away from ground completely, decorate steelframe 3 when upwards hanging, the decoration steelframe 3 is hanging flower basket 3, the workman pulls binding rope 31, it is to pull to hang up to fix the fixed decoration steel frame 3 and accomplish another decoration plate 5 of hanging flower basket outside the building curtain to take, it is fixed to take another decoration of building curtain to overcome the old building curtain effect of fixing, it is the old building curtain to decorate 3, it is located the old building curtain to hinder the old building curtain to install the same.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. A construction method for spanning a bottom barrier and additionally installing a decorative plate outside an old curtain wall is characterized in that: the method comprises the following steps:
s1, erecting a scaffold on the top of an old building;
s2, erecting a support (1) on a main steel beam at the top of an old building, connecting a balance weight on the support (1), erecting the balance weight on a floor slab at the top of the building, and suspending and fixing a hanging basket (11) and the support (1); erecting a fixing frame (2) on a main body steel beam at the top of an old building, wherein one end of the fixing frame (2) is cantilevered out of the outer wall of the building, and one cantilevered end of the fixing frame (2) is provided with an electric hoist (21);
s3, checking and accepting the hanging basket (11);
s4, assembling the decorative steel frames (3), and meanwhile, installing brackets (4) at specified positions outside the curtain wall;
s5, fixing a binding rope (31) on the decorative steel frame (3), and meanwhile, fixedly connecting an electric hoist (21) with the decorative steel frame (3), wherein when the electric hoist (21) lifts the decorative steel frame (3) upwards, a worker pulls the binding rope (31) below an old building to pull the decorative steel frame (3) in a direction away from the outer wall of the building, and the decorative steel frame (3) is fixedly connected with a bracket (4);
s6, checking and accepting the decorative steel frame (3) and the decorative plate, dismantling the hanging basket (11), and dismantling the scaffold;
in the step 2, a steel wire rope (8) is arranged between one end, far away from the edge of the building, of the support (1) and a main steel beam at the top of the old building, one end of the steel wire rope (8) is fixedly bound with the support (1), and the other end of the steel wire rope (8) is fixedly connected with the main steel beam at the top of the old building; in the step 4, one end of each bracket (4) penetrates through the curtain wall to be fixedly connected with a keel of the curtain wall, the brackets (4) are horizontally arranged, the other ends of the brackets (4) are arranged in a cantilever mode in the direction far away from the curtain wall, a plurality of brackets (4) are arranged, and adjacent brackets (4) conform to the shape of the outer wall of the old building and are arranged at intervals in the vertical direction; in step 5 decorate fixed limiting plate (5) that is provided with on steelframe (3), limiting plate (5) set up a plurality ofly, limiting plate (5) set up quantity the same with bracket (4) set up quantity, limiting plate (5) level sets up, limiting plate (5) one end with decorate steelframe (3) fixed connection, spacing groove (51) have been seted up to the other end terminal surface, spacing groove (51) are seted up along being close to decorating steelframe (3) direction level, and spacing groove (51) are opened and are passed through limiting plate (5) bottom surface, bracket (4) are located spacing groove (51), bracket (4) outer wall and spacing groove (51) inner wall butt.
2. The method of claim 1, wherein the method comprises the steps of: a connecting rope (32) is arranged between the electric hoist (21) and the decorative steel frame (3), one end of the connecting rope (32) is connected with the electric hoist (21) in a hanging mode, and the other end of the connecting rope is fixedly connected with the decorative steel frame (3).
3. The method of claim 2, wherein the method comprises the steps of: the binding ropes (31) are arranged in two numbers, and the fixing points of the adjacent binding ropes (31) and the decorative steel frame (3) and the suspension points of the electric hoist (21) and the decorative steel frame (3) are arranged in a triangular mode.
4. The method of claim 1, wherein the method comprises the steps of: when the decorative steel frame (3) is hoisted, the trailer (6) is erected at the bottom of the decorative steel frame (3), the decorative steel frame (3) is hoisted upwards and moves towards the outer wall of the building, and the trailer (6) bears the decorative steel frame (3) and moves towards the outer wall of the building.
5. The method of claim 2, wherein the method comprises the steps of: decorate steelframe (3) and transport construction place after, lay a plurality of built on stilts board (7) on construction place, adjacent built on stilts board (7) interval sets up, decorates steelframe (3) and places on built on stilts board (7).
6. The method of claim 2, wherein the method comprises the steps of: connect rope (32) and be provided with a plurality ofly, adjacent connection rope (32) are kept away from and are decorated steelframe (3) one end and all articulate with electric block (21), and the other end all is fixed with decoration steelframe (3) ligature, and the ligature fixed point is inequality.
7. The method of claim 1, wherein the method comprises the steps of: waterproof paint is coated outside the decorative steel frame (3).
CN202110156621.9A 2021-02-04 2021-02-04 Construction method for mounting decorative plate outside old curtain wall by crossing bottom barrier Active CN112942847B (en)

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CN107035037B (en) * 2017-06-15 2022-10-21 中冶建工集团有限公司 Tower top curtain wall frame and mounting method thereof
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