CN116427599A - Hyperboloid serrated building edge super high-rise curtain wall construction method - Google Patents
Hyperboloid serrated building edge super high-rise curtain wall construction method Download PDFInfo
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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
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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
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
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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
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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
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
Abstract
The utility model provides a hyperboloid zigzag building edge super high-rise curtain wall construction method, which belongs to the technical field of building construction and comprises the following steps: setting out and springing the ink line of the curved surface ring rail, and performing secondary rechecking by using a steel tape after setting out; transporting curtain wall plates to the site; installing curtain wall embedded parts on a building structure; utilizing curtain wall embedded parts to set up curved surface ring rails; predicting the installation floor position of a curtain wall plate; carrying out point location measurement paying-off on curtain wall plates; performing point location measurement paying-off and quality rechecking link reverse construction on curtain wall plates by using a BIM technology and a three-dimensional laser scanner; hoisting curtain wall plates on the hyperboloid ring rail; adjusting the horizontal, vertical and inclined angles of the curtain wall plates; the utility model can solve the falling risk of falling after falling and crushing of the glass curtain wall and improve the safety of the curtain wall.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a hyperboloid zigzag building edge super high-rise curtain wall construction method.
Background
The building is a generic name of building and structure, and is an artificial environment created by utilizing the mastered material technical means and applying a certain scientific rule and aesthetic rule in order to meet the social life needs. The outer building facade can be decorated, so that the outer building facade is more attractive and has good protection, and the hyperboloid sawtooth-shaped building is also often applied by designers in building design.
The building on hyperboloid cockscomb structure limit often needs to use a large amount of glass curtain wall, and current glass curtain wall is after carrying out the installation with the mounting fixed, and under permanent use, the phenomenon that comes unstuck takes place easily in glass curtain wall's junction, influences glass curtain wall's normal use easily, and glass curtain wall uses in the open air for a long time, when glass curtain wall receives illumination long-time irradiation, takes place to burst the breakage easily, has certain danger.
Disclosure of Invention
In view of the above, the utility model provides a hyperboloid serrated building edge super high-rise curtain wall construction method, which can effectively solve the falling risk of falling after falling and crushing of a glass curtain wall and improve the safety of the curtain wall.
The utility model is realized in the following way:
the utility model provides a hyperboloid serrated building edge super high-rise curtain wall construction method, which comprises the following steps:
s01: measuring by using measuring software, rechecking a curved surface circular rail drawing and the obtained measuring size by using a theodolite, lofting and springing ink lines of the curved surface circular rail, and rechecking for the second time by using a steel tape after lofting is finished;
s02: transporting curtain wall plates to the site;
s03: installing curtain wall embedded parts on a building structure;
s04: the curtain wall embedded part is utilized to set up the curved surface ring rail;
s05: predicting the installation floor position of the curtain wall plate;
s06: carrying out point location measurement paying-off on the curtain wall plates, wherein the point location measurement paying-off comprises the measurement paying-off of an axis and the derivation of the coordinate positioning of each curtain wall plate;
s07: performing point location measurement paying-off and quality rechecking link reverse construction on the curtain wall plate by using a BIM technology and a three-dimensional laser scanner, so as to ensure paying-off precision;
s08: hoisting the curtain wall plate on the hyperboloid annular rail, and tracking and positioning by using a level meter and a plumb meter to ensure the positioning accuracy of the curtain wall plate;
s09: adjusting the horizontal, vertical and inclined angles of the curtain wall plate;
s10: and (5) carrying out quality rechecking after construction is completed.
The hyperboloid serrated building edge super high-rise curtain wall construction method provided by the utility model has the technical effects that: the method can realize the construction of the super high-rise curtain wall influenced by construction environment and building flat and vertical surface modeling, and has the characteristics of high stability, less material consumption, high construction speed and the like; the curtain wall hoisting speed can be greatly improved; the original construction process is improved in the aspects of measuring paying-off, installing curtain wall plates, checking and adjusting, and the like, so that consumable materials and manual use are reduced, the cost is reduced, and the curtain wall installation accuracy is improved to the greatest extent; and the whole construction process of the curtain wall is simulated with high accuracy by using the BIM technology, and the construction process is combed, so that the installation quality is improved.
On the basis of the technical scheme, the hyperboloid serrated building edge super high-rise curtain wall construction method can be further improved as follows:
the curtain wall plate comprises a frame and a glass plate, wherein the glass plate is inlaid in the frame, a pressure sensor capable of measuring the pressure of the glass plate to the lower frame is arranged between the glass plate and the lower frame of the frame, a curtain wall protection device is arranged in the lower frame of the frame, the curtain wall protection device comprises a first connecting rod, a second connecting rod and a third connecting rod, one ends of the first connecting rod and the second connecting rod, which are adjacent, are rotationally connected through a first rotating shaft, the other ends of the first connecting rod and the second connecting rod are buckled and connected through a locking mechanism, a groove is formed in the side wall of the first connecting rod, a sliding screw is arranged in the groove, an electric slider is connected in a sliding mode, one end of the third connecting rod is rotationally connected to the sliding screw through a second rotating shaft, the other end of the third connecting rod is rotationally connected to the position of half of the rotating radius of the second connecting rod through the third rotating shaft, and the other end of the third connecting rod is half of the length of the first connecting rod when the third connecting rod is in length; each lower frame is internally provided with two curtain wall protection devices, the two curtain wall protection devices are oppositely arranged below the frames, flexible and foldable protection film cloth is connected between the second connecting rods of the two curtain wall protection devices, and the electric sliding blocks, the locking mechanisms and the pressure sensors are electrically connected with a control center.
Further, the locking mechanism comprises a lock hook, an anti-lock hook and an electrified sucker magnet, the lock hook is connected to the first connecting rod through a torsion spring, the electrified sucker magnet is arranged below the lock hook and on the first connecting rod, the electrified sucker magnet can attract the lock hook after being electrified, the anti-lock hook is arranged on the second connecting rod, the anti-lock hook can be buckled with the lock hook, and the electrified sucker magnet is electrically connected with the control center.
Further, a quick unfolding spring is connected between the electric sliding block and one end, close to the first rotating shaft, of the first connecting rod.
The beneficial effects of adopting above-mentioned improvement scheme are: through setting up latched device and quick expansion spring, the second connecting rod can lift up fast on first connecting rod, opens the protection film cloth fast, and the sudden fracture to last glass sheet can respond fast, avoids because the protection film cloth opens untimely circumstances that cause not receiving.
Further, after the second connecting rods of the two curtain wall protection devices are opened on the first connecting rod, the protection film cloth on the second connecting rod has an upward inclined angle.
Further, the third connecting rod is an electric telescopic rod, the third connecting rod is electrically connected with the control center, and the protective film cloth has elasticity.
The beneficial effects of adopting above-mentioned improvement scheme are: the opened protective film cloth has an upward inclined angle, so that the protective film cloth is more stable to hold and is not easy to slide.
The beneficial effects of adopting above-mentioned improvement scheme are: through setting up the third connecting rod and being electric telescopic handle, make the second connecting rod turn over a roll angle on first connecting rod and do not receive the restriction of third connecting rod own length, the contained angle of first connecting rod and second connecting rod can be the obtuse angle, increases the open area of protection membrane cloth, improves the Cheng Fangneng power of protection membrane cloth.
The curved surface annular rail in the S04 comprises a support arm and an annular rail, the support arm is attached to a building structure through a curtain wall embedded part, the annular rail is erected on the support arm, steel ropes are connected between the support arms through rail steel part lugs, the steel ropes are provided with electric hoists, the electric hoists are used for providing horizontal material conveying power, the length of the support arm is 4500mm, and the distance between the outermost end of the support arm and the outer edge of the building structure is 2000mm; the distance from the center line of the outermost track of the annular track to the outer edge line of the building framework is 1900mm, and the distance from the center line of the inner track of the annular track to the outer edge line of the building framework is 900mm.
The method comprises the following steps of S08, performing point location measurement paying-off and quality rechecking link reverse construction on curtain wall plates by using a BIM technology and a three-dimensional laser scanner, and guaranteeing paying-off precision, wherein the method specifically comprises the following steps:
the first step: placing a plate top base station code positioning line, wherein the base station code positioning line is divided into linear zigzag position positioning and external corner position positioning, the external corner position positioning is performed according to the dimensional relation between an internal control line and a unit body separation line and the base station code, two control points are tested at the position of each base station code, the front point and the rear point respectively take the base station code central line to draw a point spring line, the two point connecting line is prolonged to a building structure side line, and a perpendicular line is drawn at the front point by a square, so that the base station code positioning line is controlled;
and a second step of: positioning a steel connecting piece at the bottom of a floor slab, measuring a control line at the bottom of the floor slab onto a floor slab surface of the next floor, horizontally guiding the control line to the bottom of the floor slab by using a high-precision level meter to draw a point spring line for positioning, considering the upper and lower staggered floor characteristics of a curtain wall system, and placing a beam bottom connecting steel piece control positioning line at the top of the floor slab of the lower floor slab to ensure the installation precision of the connecting steel piece;
and a third step of: the floor top is provided with the base station code, and the external corner base station code is positioned and installed in a triangular closing mode by using three tape measures according to the positioning size of a plan view;
fourth step: and by utilizing a BIM technology and a three-dimensional laser scanner, reversely constructing in curtain wall measurement paying-off and quality rechecking links, providing three-dimensional point cloud data for scanning the surface of the floor slab, and utilizing laser ranging, recording the information of three-dimensional coordinates, reflectivity and textures of a large number of dense points on the floor slab, quickly reconstructing various drawing data such as a three-dimensional model and the like, thereby ensuring paying-off precision.
The curtain wall plate is hoisted on the hyperboloid annular rail in S09, and hanging points for installing the curtain wall plate accord with the following principles:
first point: the hanging strength of the hanging point can meet the force transmission requirement;
second point: the hanging points can be adjusted in three dimensions, one point is fixed relative to the main building structure after adjustment, and the other point can slide horizontally, so that the hanging points can be positioned accurately, and deformation caused by sliding the telescopic absorption structure and the temperature can be avoided;
third point: the adjustment amount of the hanging points is enough to be large, and the adjustment amount is not smaller than 20mm in each direction;
fourth point: the hooking depth of the hooking point is not less than 15mm;
fifth point: the hanging points can effectively absorb deformation during normal operation and generate no noise.
Further, when the curtain wall plate is installed, an airtight line and a watertight line are arranged between the curtain wall plate, an isobaric cavity is arranged between the airtight line and the watertight line, the isobaric cavity of at least three sides of the curtain wall plate is communicated, the curtain wall plate of the horizontal sliding framework is transversely sealed in a gluing mode, the airtight line and the watertight line are not collinear, the watertight line is provided with a drain hole, and a sponge is arranged in the drain hole to prevent rainwater from flowing backwards.
Compared with the prior art, the hyperboloid serrated building edge super high-rise curtain wall construction method provided by the utility model has the beneficial effects that: the method can realize the construction of the super high-rise curtain wall influenced by construction environment and building flat and vertical surface modeling, and has the characteristics of high stability, less material consumption, high construction speed and the like; the curtain wall hoisting speed can be greatly improved; the original construction process is improved in the aspects of measuring paying-off, installing curtain wall plates, checking and adjusting, and the like, so that consumable materials and manual use are reduced, the cost is reduced, and the curtain wall installation accuracy is improved to the greatest extent; the whole construction process of the curtain wall is simulated with high accuracy by using the BIM technology, and the construction process is combed, so that the installation quality is improved; through installing pressure sensor and curtain protection device on the curtain plate, when pressure sensor detects that pressure is less than the threshold value suddenly, it is cracked to demonstrate that glass panel, and curtain protection device is opened to the curtain plate of this curtain plate next of control center control, realizes accepting to the glass panel that falls to the breakage, avoids falling to cause loss of property even personal injury in the high altitude of glass panel that falls to the breakage, and unified control curtain protection device opens can also protect glass panel under hail weather.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for constructing a hyperboloid serrated building edge super high-rise curtain wall according to the present utility model;
FIG. 2 is a schematic view of curtain wall blocks in a hyperboloid zigzag building edge super high-rise curtain wall construction method provided by the utility model;
FIG. 3 is a schematic view of a first embodiment of a curtain wall protection device in a hyperboloid zigzag type building edge super high-rise curtain wall construction method according to the present utility model;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 3;
FIG. 6 is an electrical connection diagram of a first embodiment of a curtain wall protection device in a hyperboloid serrated edge super high-rise curtain wall construction method according to the present utility model;
FIG. 7 is a schematic view of a second embodiment of a curtain wall protection device in a hyperboloid zigzag type building edge super high-rise curtain wall construction method according to the present utility model;
FIG. 8 is a diagram showing electrical connections between a second embodiment of a curtain wall protection device in a method for constructing a hyperboloid serrated edge super high-rise curtain wall according to the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
01. a first link; 011. a sliding screw rod; 012. an electric slide block; 02. a second link; 03. a third link; 031. a second rotating shaft; 032. a third rotating shaft; 04. a first rotating shaft; 05. a protective film cloth; 061. a latch hook; 0612. a torsion spring; 062. an anti-lock hook; 063. electrifying a sucker magnet; 07. a control center; 08. rapidly expanding the spring; 09. a pressure sensor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
As shown in fig. 1, the first embodiment of the method for constructing the hyperboloid zigzag building edge super high-rise curtain wall provided by the utility model comprises the following steps:
s01: measuring by using measuring software, rechecking a curved surface circular rail drawing and the obtained measuring size by using a theodolite, lofting and springing ink lines of the curved surface circular rail, and rechecking for the second time by using a steel tape after lofting is finished;
s02: transporting curtain wall plates to the site;
s03: installing curtain wall embedded parts on a building structure;
s04: utilizing curtain wall embedded parts to set up curved surface ring rails;
s05: predicting the installation floor position of a curtain wall plate;
s06: carrying out point location measurement paying-off on curtain wall plates, wherein the point location measurement paying-off comprises the measurement paying-off of an axis and the derivation of the coordinate positioning of each curtain wall plate;
s07: performing point location measurement paying-off and quality rechecking link reverse construction on curtain wall plates by using a BIM technology and a three-dimensional laser scanner, so as to ensure paying-off precision;
s08: hoisting curtain wall plates on the hyperboloid annular rail, and tracking and positioning by using a level meter and a plumb meter to ensure the positioning accuracy of the curtain wall plates;
s09: adjusting the horizontal, vertical and inclined angles of the curtain wall plates;
s10: and (5) carrying out quality rechecking after construction is completed.
S10, adjusting the curtain wall plate after adjusting the horizontal, vertical and inclined angles of the curtain wall plate to meet the technical parameters of the curtain wall, comprising the following steps:
the space between the curtain wall embedded parts is less than or equal to 3.5m;
curtain wall slope ratio, 1:0.45;
flatness tolerance of + -15 mm after curtain wall plate splicing.
The utility model relates to a curtain wall embedded part of a combined plate type channel curtain wall, which is disclosed in a Chinese patent application publication No. CN207296102U (application No. CN 201721093410.0), and comprises an embedded plate, wherein the embedded plate is embedded in a building main body, the front surface of the embedded plate is level with the surface of the building main body, and slotted holes are formed in the embedded plate; the anchor rod is fixedly arranged on the back of the buried plate and is anchored in the building main body; the mounting structure is fixedly arranged on the back surface of the buried plate at a position corresponding to the slotted hole, a limiting groove communicated with the slotted hole is formed in the mounting structure, and a bulge is arranged at the top of the mounting structure corresponding to the limiting groove; and the bolt is provided with a bolt head, the bolt head is arranged in the limit groove of the mounting structure through the groove hole and is provided with a recess matched with the protrusion, and the bolt is locked in the mounting structure through the protrusion clamped in the recess. The utility model combines the advantages of the plate embedded part and the channel embedded part, thereby ensuring the structural stability and facilitating the construction. By adopting the novel embedded part design of the curtain wall embedded part, under the condition of ensuring the same material input quantity, the stress of the embedded part is increased, the stability of the curtain wall is improved, a certain error margin error is reserved for the installation of the curtain wall, the installation of unit plates is facilitated, and the free adjustment can be carried out in a certain vertical range so as to offset the vertical error of the plates caused by the processes of processing, measuring, paying-off, installation and the like.
The step S02 of transporting the curtain wall plate to the site specifically comprises the following steps: and uniformly numbering curtain wall plates according to the on-site installation sequence, and delivering according to the sequence so as to ensure that the on-site unit body is installed orderly. The floors below the 18 floors are directly hung by hyperboloid ring rails, and cantilever cranes at the floors above the 18 floors at the high floors are used for vertical transportation of curtain wall plates, so that the transportation efficiency is improved, and the construction safety is ensured; and the hyperboloid annular track is erected to hoist the unit plate, so that the installation efficiency can be improved, and the construction quality can be ensured. The tower crown adopts the roofing tower crane and the window cleaning machine to carry out vertical transportation, and tower crane structural strength is high, and the wind resistance is good, receives weather effect relatively less, can transport curtain wall materials such as panel, section bar to the roofing.
Because the edge of the outer floor slab is zigzag, the edge of the curtain wall is parallel to the outer edge of the zigzag floor slab and is also zigzag. Because the curtain plate body is manufactured to the installation process inevitably generates certain errors, the curtain wall modeling is unique, a slight deviation in the plane can cause that two unit bodies cannot be buckled and cannot be installed, the model of the vertical face of the tower body is complex, and the upper floor slab and the lower floor slab are staggered, so that the upper curtain wall and the lower curtain wall are staggered, if the deviation exists in the vertical direction, the upper unit body or the lower unit body can not be accurately installed, and then the horizontal, vertical and inclined angles of the curtain wall plate body are adjusted in S10.
The problem is solved, if the left-right gap is large, the curtain wall embedded part can be used for moving the curtain wall and the adapter part left and right in the channel of the curtain wall embedded part, and bolts are screwed when the positions are proper, so that the horizontal direction positions are controlled; and the curtain wall embedded part is connected with the curtain wall adaptor of the T-shaped bolt, the long groove is formed in the vertical direction, the front and back directions of the unit plate block are adjusted through the longitudinal long groove hole of the adaptor, the unit plate block is connected with the long groove by adopting a free hinged hook, and the plate block can be rotationally adjusted through the rotation of the hanging part and the hook on the unit plate block. In the installation process, the switching support can be continuously adjusted, so that the switching support of each layer is in the allowable range of installation deviation, and then the switching support is fixed, so that the flatness of the installed curtain wall plate can be ensured, and the overall stability of the curtain wall is ensured.
The double-ring rail is combined with the cantilever crane, and the curtain wall plate and the curtain wall embedded part are connected in a free degree adjustable mode, so that compared with the traditional installation process, the single curtain wall is installed for 1h, and the later stage checking of the single curtain wall saves 1 h; the single layer saves 200 hours of labor; save elevator and tower crane live time 0.5h, reduce steel: 0.5kg×100×4.9 cells/kg=245 cells. The method comprises the steps of carrying out a first treatment on the surface of the Labor cost is reduced: (100 h/person+200 h/person)/(8 h/day x 200 yuan/day = 0.75 ten thousand yuan; the elevator and tower crane lease fees are reduced: 0.5h×30d≡4 ten thousand yuan/month=3.75 ten thousand yuan.
BIM stands for building information model, is a digital tool set, and can make the building design, construction and management process more efficient, accurate and comprehensive. It is not just a piece of software or technology, but a complete process, which involves every aspect of the building project. Building information models are typically a three-dimensional design tool that can be used for planning, designing, constructing, and managing building and infrastructure projects. BIM is typically a three-dimensional environment-centric tool that can create accurate building models. It provides a more realistic and comprehensive view to designers, engineers and architects, while helping to integrate various building materials and components, thereby better meeting the needs of the building industry.
As shown in fig. 2-6, in the above technical solution, the curtain wall plate includes a frame and a glass plate, the glass plate is embedded in the frame, a pressure sensor 09 capable of measuring the pressure of the glass plate to the lower frame is placed between the glass plate and the lower frame of the frame, a curtain wall protection device is installed in the lower frame of the frame, the curtain wall protection device includes a first link 01, a second link 02 and a third link 03, one end of the first link 01 and one end of the second link 02 adjacent to each other are rotationally connected through a first rotating shaft 04, the other ends of the first link 01 and the second link 02 are buckled and connected through a locking mechanism, a groove is formed in the side wall of the first link 01, a sliding screw 011 is arranged in the groove, the sliding screw 011 is slidingly connected with an electric slider 012, one end of the third link 03 is rotationally connected to the sliding screw 011 through a second rotating shaft 031, the other end of the third link 03 is rotationally connected to a half of the rotating radius of the second link 02 through the third rotating shaft 032, and a half of the length of the first link 01 is used when the length of the third link 03 is; each lower frame is internally provided with two curtain wall protection devices, the two curtain wall protection devices are oppositely arranged under the frames, a flexible and foldable protection film cloth 05 is connected between the second connecting rods 02 of the two curtain wall protection devices, and the electric sliding block 012, the locking mechanism and the pressure sensor 09 are electrically connected with the control center 07.
Further, in the above technical scheme, the latch mechanism includes latch hook 061, anti-latch hook 062 and circular telegram sucking disc magnet 063, and latch hook 061 is connected through torsional spring 0612 on first connecting rod 01, circular telegram sucking disc magnet 063 sets up in the below of latch hook 061, on first connecting rod 01, can attract latch hook 061 after circular telegram sucking disc magnet 063 circular telegram, anti-latch hook 062 sets up on second connecting rod 02, and anti-latch hook 062 can be in the same place with latch hook 061 lock, circular telegram sucking disc magnet 063 and control center 07 electricity are connected.
Further, in the above technical solution, a quick-unfolding spring 08 is connected between the electric slider 012 and one end of the first link 01 close to the first rotation shaft 04.
When the device is used, a minimum pressure threshold value sensed by the pressure sensor 09 is set in the control center 07, the threshold value is smaller than the weight of a glass plate, the pressure sensor 09 on one curtain wall plate sends a pressure value to the control center 07, when the curtain wall plate suddenly breaks away from an inner plate and begins to fall, the pressure value sensed by the pressure sensor 09 is smaller than the minimum pressure threshold value, the control center 07 opens an electrified sucking disc magnet 063 of the next curtain wall plate of the curtain wall plate, the electrified sucking disc magnet 063 generates magnetism, the electrified sucking disc magnet 063 attracts a lock hook 061 downwards, the lock hook 061 downwards rotates against the elasticity of a torsion spring 0612, a counter-lock hook 062 is separated from the lock hook 061 to be fixed, and a second connecting rod 02 can rotate on a first connecting rod 01 around a first rotating shaft 04; the elastic force of the rapid expansion spring 08 is contracted to pull one end of the third connecting rod 03 to slide towards the first rotating shaft 04, the control center 07 simultaneously controls the electric sliding block 012 to rapidly slide on the sliding screw rod 011, the third connecting rod 03 supports the second connecting rod 02 to rotate around the first rotating shaft 04 on the first connecting rod 01, the second connecting rod 02 is opened on the first connecting rod 01, the second connecting rod 02 of the two curtain wall protection devices opens the protective film cloth 05 between the two curtain wall protection devices, and the opened protective film cloth 05 receives falling broken glass;
after the curtain wall protection device finishes the protection work (broken glass on the protection film cloth 05 is cleaned), the control center 07 sends a return signal to the electric sliding block 012, the electric sliding block 012 slides to one end, close to the lock hook 061, of the first connecting rod 01 along the sliding screw 011, the electric sliding block 012 pulls the quick unfolding spring 08 to stretch, the movement of the electric sliding block 012 drives the third connecting rod 03 to pull the second connecting rod 02 to close towards the first connecting rod 01 until the first connecting rod 01 and the second connecting rod 02 are overlapped, the counter-locking hook 062 is buckled with the lock hook 061, the first connecting rod 01 and the second connecting rod 02 are fixed together, and at the moment, the protection film cloth 05 between the second connecting rods 02 of the two curtain wall protection devices is folded and recovered.
Further, in the above technical solution, after the second links 02 of the two curtain wall protection devices are opened on the first links 01, the protection film cloth 05 on the second links 02 has an upward inclined angle.
The upper inclined angle is the included angle between the protective film cloth 05 and the curtain wall module, and the angle is 75-60 degrees.
As shown in fig. 7-8, in the second embodiment of the construction method of the hyperboloid zigzag building edge super high-rise curtain wall provided by the utility model, in the embodiment, the third connecting rod 03 is an electric telescopic rod, the third connecting rod 03 is electrically connected with the control center 07, and the protective film cloth 05 has elasticity.
In the technical scheme, the curved surface annular rail in S04 comprises support arms and annular rails, the support arms are attached to a building structure through curtain wall embedded parts, the annular rails are erected on the support arms, steel ropes are connected between the support arms through rail steel part lug plates, the steel ropes are provided with electric hoists, the electric hoists are used for providing horizontal material conveying power, the length of the support arms is 4500mm, and the outermost ends of the support arms are 2000mm away from the outer edge of the building structure; the distance from the center line of the outermost track of the annular track to the outer edge line of the building framework is 1900mm, and the distance from the center line of the inner track of the annular track to the outer edge line of the building framework is 900mm.
The support arm and the annular track are made of 18a I-steel made of Q235B material, a 3T chain type electric hoist is hung, and the maximum lifting capacity is 2T. The rear end of the support arm is connected with the curtain wall embedded part through an M16T-shaped bolt. More than 18 layers are constructed according to the total package construction progress and construction
The section network is arranged, the unit body is hung and provided with a surface-removed ring rail, and when the ring rail is installed, the groove type curtain wall embedded parts are embedded at corresponding floors according to the distance between the ring rail support arms.
In the above technical scheme, in S08, the point location measurement paying-off and quality rechecking link reverse construction is performed on the curtain wall plate by using the BIM technology and the three-dimensional laser scanner, so as to ensure paying-off precision, and the method specifically comprises the following steps:
the first step: placing a plate top base station positioning line, wherein the base station positioning line is divided into linear zigzag position positioning and external corner position two-side positioning, the external corner position two-side positioning is positioned according to the dimensional relationship between an internal control line and a cell separation line and the base station, two control points are tested at the position of each base station, the front point and the rear point respectively take the base station center line to draw a point spring line, the two point connecting line is prolonged to a building structure side line, and a perpendicular line is drawn at the front point by a right angle ruler, so that the base station positioning line is controlled;
and a second step of: positioning a steel connecting piece at the bottom of a floor slab, measuring a control line at the bottom of the floor slab onto a floor slab surface of the next floor, horizontally guiding the control line to the bottom of the floor slab by using a high-precision level meter to draw a point spring line for positioning, considering the upper and lower staggered floor characteristics of a curtain wall system, and placing a beam bottom connecting steel piece control positioning line at the top of the floor slab of the lower floor slab to ensure the installation precision of the connecting steel piece;
and a third step of: installing a base station code on the top of a floor slab, and positioning and installing the external corner base station code in a triangular closing mode by using three tape measures according to the positioning size of a plan view;
fourth step: and by utilizing a BIM technology and a three-dimensional laser scanner, reversely constructing in curtain wall measurement paying-off and quality rechecking links, providing three-dimensional point cloud data for scanning the surface of the floor slab, and utilizing laser ranging, recording the information of three-dimensional coordinates, reflectivity and textures of a large number of dense points on the floor slab, quickly reconstructing various drawing data such as a three-dimensional model and the like, thereby ensuring paying-off precision.
Wherein, in above-mentioned technical scheme, hoist and mount curtain plate on hyperboloid ring rail in S09, the hang point of curtain plate installation accords with following principle:
first point: the hanging strength of the hanging point can meet the force transmission requirement;
second point: the hanging points can be adjusted in three dimensions, one point is fixed relative to the main building structure after adjustment, and the other point can slide horizontally, so that the hanging points can be positioned accurately, and deformation caused by sliding the telescopic absorption structure and the temperature can be avoided;
third point: the adjustment amount of the hanging point is enough large and is not less than 20mm in each direction;
fourth point: the hanging depth of the hanging point is not less than 15mm;
fifth point: the hanging point can effectively absorb the deformation during normal operation and does not generate noise.
The unit curtain wall hanging point is the foundation of the force transmission of the curtain wall structure, and three design defects exist in the curtain wall hanging point generally: (1) The design of the hanging point strength is poor, and especially the bearing capacity of resisting negative wind pressure can not meet the requirement. Experiments show that some pendants are broken under negative wind pressure, and the bearing capacity can not meet the requirement. (2) All hanging points can slide, and the whole unit is not positioned transversely. (3) the hooking depth is insufficient, and the risk of groove outlet exists. It is therefore necessary to meet the above criteria to ensure the quality of the monster hanging point.
Further, in the above technical scheme, when the curtain wall plate is installed, an airtight line and a watertight line are arranged, an isobaric cavity is arranged between the airtight line and the watertight line, the curtain wall plate is at least provided with three isobaric cavities which are communicated, the curtain wall plate of the horizontal sliding framework is transversely sealed in a gluing mode, the airtight line and the watertight line are not collinear, the watertight line is provided with a drain hole, and a sponge plug is arranged in the drain hole to prevent rainwater from flowing backwards.
The design of airtight and watertight lines of curtain wall plates refers to the rain curtain principle, which is a theory proposed by AAMA aluminum association in the United states, mainly refers to a theory how to avoid infiltration caused by rainwater in the design process of building curtain walls, is a scientific method for eliminating seepage, and is a design principle which points out how infiltration of rainwater to the layer of curtain is prevented. "rain curtain" refers only to the portion of the skin or surface of a wall or wall element that is exposed to the outside weather. It follows that the application of the "rain curtain principle" is necessary to achieve a pressure balancing design, which in turn depends on this principle.
The pressure balance is achieved by deliberately leaving the opening open and allowing the cavity to communicate with the outdoor air to achieve the pressure balance. The effect is formed by a cavity left behind the outer wall, which must be communicated with the outside to achieve the above purpose, and gust fluctuation due to wind randomness must be balanced on both sides of the outer wall.
The rain curtain is an exposed surface of a building or a body surface part of a curtain wall, reasonable measures are taken to avoid the invasion of rainwater, and the isobaric design is a supplement to the rain curtain principle, so that the aim of preventing rainwater leakage is fulfilled through pressure balance.
The airtight line is the last line of defense, which if broken would cause leakage, and therefore if the airtight lines of the unit transverse and longitudinal profiles were not coplanar, permanent holes would be present, which would be a risk of water and air leakage.
The curtain wall plate is generally communicated with four isobaric cavities, at least three sides are communicated, and the sealing edge does not form the isobaric cavities, so that the following steps are realized: (1) the profile port will not seal. (2) The structure force transmission can be affected, no male material and no master batch are matched, so that the total section of the profile is reduced, and the force transmission can not be inserted.
The curtain wall plate adopts an arc inserting mode, so that the requirements of building facades can be met well, but the design is poor, and leakage can be possibly caused. The single adhesive tape is more common in grafting, but the sealing effect is slightly poor, and double adhesive tapes are adopted as much as possible.
Wherein, the electrified sucking disc magnet 063 can be a DS-ET3425 sucking disc type electromagnet manufactured by Dechen electromagnetic technology Co., dongguan, inc.; the control center 07 can select a model HGM6120N self-starting controller manufactured by Fuzhou Ying electronic technology Co., ltd; the electric slider 012 can select FUYU brand FSK30J model trapezoidal screw rod sliding table precise small micro stepping motor linear guide rail; the third connecting rod 03 can use MT-24V-24S-550N-50 electric cylinder electric push rod of Changzhou wave electric company; as the pressure sensor 09, a UNIGREAT-FSR-007 pressure sensor of Shenzhen Jiayu Shun technology Co., ltd can be used.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. The construction method of the hyperboloid serrated building edge super high-rise curtain wall is characterized by comprising the following steps of:
s01: measuring by using measuring software, rechecking a curved surface circular rail drawing and the obtained measuring size by using a theodolite, lofting and springing ink lines of the curved surface circular rail, and rechecking for the second time by using a steel tape after lofting is finished;
s02: transporting curtain wall plates to the site;
s03: installing curtain wall embedded parts on a building structure;
s04: the curtain wall embedded part is utilized to set up the curved surface ring rail;
s05: predicting the installation floor position of the curtain wall plate;
s06: carrying out point location measurement paying-off on the curtain wall plates, wherein the point location measurement paying-off comprises the measurement paying-off of an axis and the derivation of the coordinate positioning of each curtain wall plate;
s07: performing point location measurement paying-off and quality rechecking link reverse construction on the curtain wall plate by using a BIM technology and a three-dimensional laser scanner, so as to ensure paying-off precision;
s08: hoisting the curtain wall plate on the hyperboloid annular rail, and tracking and positioning by using a level meter and a plumb meter to ensure the positioning accuracy of the curtain wall plate;
s09: adjusting the horizontal, vertical and inclined angles of the curtain wall plate;
s10: and (5) carrying out quality rechecking after construction is completed.
2. The construction method of the hyperboloid serrated building edge super high-rise curtain wall according to claim 1, wherein the curtain wall plate comprises a frame and a glass plate, the glass plate is embedded in the frame, a pressure sensor (09) capable of measuring the pressure of the glass plate to the lower frame is arranged between the glass plate and the lower frame of the frame, a curtain wall protection device is arranged in the lower frame of the frame, the curtain wall protection device comprises a first connecting rod (01), a second connecting rod (02) and a third connecting rod (03), one end of the first connecting rod (01) and one end of the second connecting rod (02) adjacent to each other are in rotary connection through a first rotary shaft (04), the other ends of the first connecting rod (01) and the second connecting rod (02) are in buckling connection through a locking mechanism, a groove is formed in the side wall of the first connecting rod (01), a sliding screw (011) is arranged in the groove, the sliding screw (011) is in sliding connection with an electric sliding block (012), one end of the third connecting rod (03) is in rotary connection with a second rotary shaft (031), and when one end of the third connecting rod (03) is in rotary connection with the first half of the length (032) of the first connecting rod (03) through the rotary shaft (03) and the other end of the second connecting rod (03) is in rotary length of the first half of the first connecting rod (032); every have two in the lower frame curtain protection device, two curtain protection device is in the below opposite arrangement of frame, two be connected with flexible folding protection film cloth (05) between curtain protection device's second connecting rod (02), electronic slider (012) locking mechanism pressure sensor (09) are connected with control center (07) electricity.
3. The hyperboloid serrated building edge super high-rise curtain wall construction method according to claim 2, wherein the locking mechanism comprises a lock hook (061), a counter-lock hook (062) and an electrified sucking disc magnet (063), the lock hook (061) is connected to the first connecting rod (01) through a torsion spring (0612), the electrified sucking disc magnet (063) is arranged below the lock hook (061) and on the first connecting rod (01), the electrified sucking disc magnet (063) can attract the lock hook (061) after being electrified, the counter-lock hook (062) is arranged on the second connecting rod (02), the counter-lock hook (062) can be buckled with the lock hook (061), and the electrified sucking disc magnet (063) is electrically connected with the control center (07).
4. A hyperboloid zigzag building edge super high-rise curtain wall construction method according to claim 3, wherein a quick-unfolding spring (08) is connected between the electric slider (012) and one end of the first connecting rod (01) close to the first rotating shaft (04).
5. The method for constructing the hyperboloid serrated building edge super high-rise curtain wall according to claim 4, wherein after the second connecting rods (02) of the two curtain wall protection devices are opened on the first connecting rods (01), the protection film cloth (05) on the second connecting rods (02) has an upward inclined angle.
6. The hyperboloid serrated building edge super high-rise curtain wall construction method according to claim 4, wherein the third connecting rod (03) is an electric telescopic rod, the third connecting rod (03) is electrically connected with the control center (07), and the protective film cloth (05) has elasticity.
7. The construction method of the hyperboloid serrated building edge super high-rise curtain wall according to claim 1, wherein the curved surface ring rail in the step S04 comprises a support arm and a ring rail, the support arm is attached to a building structure through a curtain wall embedded part, the ring rail is erected on the support arm, steel ropes are connected between the support arms through rail steel part lugs, the steel ropes are provided with electric hoists, the electric hoists are used for providing horizontal material conveying power, the length of the support arm is 4500mm, and the outermost end of the support arm is 2000mm away from the outer edge of the building structure; the distance from the center line of the outermost track of the annular track to the outer edge line of the building framework is 1900mm, and the distance from the center line of the inner track of the annular track to the outer edge line of the building framework is 900mm.
8. The method for constructing the hyperboloid serrated building edge super high-rise curtain wall according to claim 1, wherein in the step S08, the point location measurement paying-off and quality rechecking link reverse construction are performed on the curtain wall plate by using a BIM technology and a three-dimensional laser scanner, so that paying-off precision is ensured, and the method specifically comprises the following steps:
the first step: placing a plate top base station code positioning line, wherein the base station code positioning line is divided into linear zigzag position positioning and external corner position positioning, the external corner position positioning is performed according to the dimensional relation between an internal control line and a unit body separation line and the base station code, two control points are tested at the position of each base station code, the front point and the rear point respectively take the base station code central line to draw a point spring line, the two point connecting line is prolonged to a building structure side line, and a perpendicular line is drawn at the front point by a square, so that the base station code positioning line is controlled;
and a second step of: positioning a steel connecting piece at the bottom of a floor slab, measuring a control line at the bottom of the floor slab onto a floor slab surface of the next floor, horizontally guiding the control line to the bottom of the floor slab by using a high-precision level meter to draw a point spring line for positioning, considering the upper and lower staggered floor characteristics of a curtain wall system, and placing a beam bottom connecting steel piece control positioning line at the top of the floor slab of the lower floor slab to ensure the installation precision of the connecting steel piece;
and a third step of: the floor top is provided with the base station code, and the external corner base station code is positioned and installed in a triangular closing mode by using three tape measures according to the positioning size of a plan view;
fourth step: and by utilizing a BIM technology and a three-dimensional laser scanner, reversely constructing in curtain wall measurement paying-off and quality rechecking links, providing three-dimensional point cloud data for scanning the surface of the floor slab, and utilizing laser ranging, recording the information of three-dimensional coordinates, reflectivity and textures of a large number of dense points on the floor slab, quickly reconstructing various drawing data such as a three-dimensional model and the like, thereby ensuring paying-off precision.
9. The construction method of the hyperboloid serrated building edge super high-rise curtain wall according to claim 1, wherein the curtain wall plate is hoisted on the hyperboloid ring rail in the step S09, and the hanging point of the curtain wall plate is installed according with the following principle:
first point: the hanging strength of the hanging point can meet the force transmission requirement;
second point: the hanging points can be adjusted in three dimensions, one point is fixed relative to the main building structure after adjustment, and the other point can slide horizontally, so that the hanging points can be positioned accurately, and deformation caused by sliding the telescopic absorption structure and the temperature can be avoided;
third point: the adjustment amount of the hanging points is enough to be large, and the adjustment amount is not smaller than 20mm in each direction;
fourth point: the hooking depth of the hooking point is not less than 15mm;
fifth point: the hanging points can effectively absorb deformation during normal operation and generate no noise.
10. The construction method of the hyperboloid serrated building edge super high-rise curtain wall according to claim 9, wherein an airtight line and a watertight line are arranged between curtain wall plates in the installation process, an isobaric cavity is arranged between the airtight line and the watertight line, the isobaric cavities of at least three sides of the curtain wall plates are communicated, the curtain wall plates of a horizontal sliding framework are transversely sealed in a gluing mode, the airtight line and the watertight line are not collinear, a drain hole is formed in the watertight line, and a sponge is arranged in the drain hole to prevent rainwater from flowing backwards.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117629767A (en) * | 2024-01-18 | 2024-03-01 | 南京迈豪幕墙工程有限公司 | Building curtain wall safety performance detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117629767A (en) * | 2024-01-18 | 2024-03-01 | 南京迈豪幕墙工程有限公司 | Building curtain wall safety performance detection system |
| CN117629767B (en) * | 2024-01-18 | 2024-04-12 | 南京迈豪幕墙工程有限公司 | Building curtain wall safety performance detection system |
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