CN110541516B - Construction method for grid ceiling decoration at bottom of high-altitude cantilever frame - Google Patents
Construction method for grid ceiling decoration at bottom of high-altitude cantilever frame Download PDFInfo
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- CN110541516B CN110541516B CN201910835837.0A CN201910835837A CN110541516B CN 110541516 B CN110541516 B CN 110541516B CN 201910835837 A CN201910835837 A CN 201910835837A CN 110541516 B CN110541516 B CN 110541516B
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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Abstract
According to the construction method for decorating the grid suspended ceiling at the bottom of the high-altitude cantilever frame, the traditional grid suspended ceiling is arranged at the bottom of an outdoor cantilever scaffold, the grid is made of plastic PVC materials in a general way, the materials are well formed, and the grid suspended ceiling can be repeatedly recycled; the method that the sealing baffle plate adopts galvanized sheet to wrap up the template is convenient to clean in order to improve the surface smoothness of the sealing template, has certain durability to realize turnover reutilization, and sets up on the scaffold and places the draw-in groove in addition, makes the sealing template and the building roof become 15 degrees contained angles, further improves baffle turnover rate and encorbelments bottom rubbish cleaning efficiency, makes things convenient for the quick installation of sealing template simultaneously. The grid square tube adopts two-way adjustable quick detach mounting to be connected with the I-steel, and simple to operate in earlier stage not only has also improved the maneuverability that later stage high altitude was dismantled greatly, has reduced because of unsettled operation risk.
Description
Technical Field
The invention relates to the field of construction of overhanging scaffolds, in particular to a construction method for grid ceiling decoration at the bottom of an overhead overhanging scaffold.
Background
In building construction, the construction process of the external wall fastener type steel pipe scaffold is commonly used in building construction. Due to different requirements of each construction project, in order to meet the requirements of sales or other outer facade display, the frame body at the lower part of the cantilever frame is usually dismantled in advance, and the surface decoration of the lower outer wall is finished in advance by construction.
For the show effect needs of whole facade, general project can be in the I-steel bottom of encorbelmenting increase iron sheet and decorate the furred ceiling mode of parcel to set up the bed board of intercepting water system, upper portion setting level mode and the seal coat on concrete layer encorbelmenting the shaped steel bottom.
Conventional iron sheet furred ceiling scheme, owing to demolish the back, the iron sheet warp, and the unable repeated turnover utilization of retrieving, the iron sheet is softer simultaneously, and installation rear surface can present unevenness's wave shape, and whole impression can receive the influence.
The closed layer on the upper part of the cantilever steel section generally adopts the modes of horizontally laying a template and pouring concrete. On the one hand, the cost is high, and meanwhile, the cleaning of the garbage on the surface of the sealing layer in the construction process is not facilitated.
Disclosure of Invention
Aiming at the problem that the appearance of the cantilever frame is poor in the prior art, the invention provides the construction method for decorating the grid ceiling at the bottom of the high-altitude cantilever frame.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a construction method for grid ceiling decoration at the bottom of a high-altitude cantilever frame is characterized by comprising the following steps:
s001, assembling a grid square tube, wherein the grid square tube comprises a horizontal square tube for decorating the bottom surface of the cantilever frame and a vertical square tube for decorating the outer vertical surface of the cantilever frame, and the front end of the horizontal square tube is connected with the lower end of the vertical square tube;
s002, sleeving more than two connecting clamping rings for fixing the grid square tube on the grid square tube, wherein each connecting clamping ring comprises a U-shaped clamping ring and an angle steel clamping plate, the angle steel clamping plates are arranged at openings of the U-shaped clamping rings and are connected with two end parts of the U-shaped clamping rings, threads are arranged on the end parts of the U-shaped clamping rings and are respectively sleeved with a limiting nut, the angle steel clamping plates are fixed on the U-shaped clamping rings through the limiting nuts, and the grid square tube is installed in the U-shaped clamping rings;
s003, fixing keel angle steel which is matched with and used for fixing the grid square tube on the I-shaped steel, wherein the keel angle steel comprises a first keel angle steel for fixing the horizontal square tube and a second keel angle steel for fixing the vertical square tube, the keel angle steel is provided with a right-angle bracket, the right-angle bracket comprises two angle steels which are mutually and vertically connected, and the number of the right-angle brackets corresponds to the number of the I-shaped steel; a first right-angle bracket is arranged on the first keel angle steel, the first right-angle bracket is vertically arranged on the first keel angle steel, and the first right-angle bracket is buckled on the I-shaped steel, so that the first keel angle steel is fixed below the I-shaped steel; a second right-angle bracket is arranged on the second keel angle steel, one end of the second right-angle bracket is vertically connected with the second keel angle steel, and the other end of the second right-angle bracket is welded and fixed on the free end of the I-shaped steel, so that the second keel angle steel is fixed in front of the free end of the I-shaped steel;
s004, installing the grid square tube, buckling an angle steel clamping plate of the connecting clamping ring on the keel angle steel, and screwing down the limiting nut, so that the keel angle steel is abutted against the grid square tube, and the grid square tube is fixed on the I-steel.
The technical scheme adopted by the invention for solving the technical problem further comprises the following steps:
the anti-slip gasket is arranged at the position, abutted against the keel angle steel, of the grid square tube, the thickness of the anti-slip gasket is 1-3mm, and the anti-slip gasket is a rubber sheet or a double-faced adhesive tape.
A closed template is arranged above the I-shaped steel, and a galvanized iron sheet is arranged on the upper surface of the closed template.
The cantilever frame is provided with a placing clamping groove for placing the closed template, so that the closed template inclines to one side of the wall body, an included angle c is formed between the upper surface of the closed template and the horizontal plane, and the included angle c is not less than 15 degrees and not more than 30 degrees.
Be equipped with overhanging type stagnant water board and rubber gasket on the wall between I-steel and the closed form board, rubber gasket sets up at the wall and between the overhanging type stagnant water board, the overhanging type stagnant water board is "L" font, the minor face of overhanging type stagnant water board is fixed on the wall body, the outside of minor face is equipped with the angle steel of bearing down the top and makes the inboard rubber gasket of minor face and minor face laminate with the wall.
And a water retaining ridge is arranged on the floor slab below the closed template, the water retaining ridge is built by adopting lime-sand bricks, and the height of the water retaining ridge is more than or equal to 50 mm.
The I-steel, the lower surface of the closed template and the supporting mechanism arranged on the lower surface are sprayed with paint of the same color.
The bottom of the I-shaped steel is provided with a hollow rubber rod, and the hollow rubber rod is arranged at the part of the I-shaped steel arranged in the wall body and has a distance of 290-310mm from the outer wall surface.
The distance between the keel angle steels arranged on the same plane is less than 1000 mm.
The upper end of the vertical square tube is also provided with a short square tube which is parallel to the horizontal square tube, and the length of the vertical square tube is greater than the sum of the heights of the first right-angle support and the second right-angle support.
The invention has the beneficial effects that: according to the construction method for decorating the grid suspended ceiling at the bottom of the high-altitude cantilever frame, the traditional grid suspended ceiling is arranged at the bottom of an outdoor cantilever scaffold, the grid is made of plastic PVC materials in a general way, the materials are well formed, and the grid suspended ceiling can be repeatedly recycled; the method that the sealing baffle plate adopts galvanized sheet to wrap up the template is convenient to clean in order to improve the surface smoothness of the sealing template, has certain durability to realize turnover reutilization, and sets up on the scaffold and places the draw-in groove in addition, makes the sealing template and the building roof become 15 degrees contained angles, further improves baffle turnover rate and encorbelments bottom rubbish cleaning efficiency, makes things convenient for the quick installation of sealing template simultaneously. The grid square tube adopts two-way adjustable quick detach mounting to be connected with the I-steel, and simple to operate in earlier stage not only has also improved the maneuverability that later stage high altitude was dismantled greatly, has reduced because of unsettled operation risk.
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a grille ceiling used in a grille ceiling decoration construction method at the bottom of an overhead suspension tower according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic structural diagram of a lower fixed grid square tube according to an embodiment;
FIG. 5 is a schematic structural diagram of a grille square tube in an embodiment of a grille ceiling decoration construction method for the bottom of a high-altitude cantilever frame, according to the invention;
FIG. 6 is a schematic structural view of a second embodiment of a grille ceiling used in the construction method of grille ceiling decoration at the bottom of an overhead suspension tower according to the present invention;
FIG. 7 is a top view of a schematic grid ceiling installation according to an embodiment of the method of constructing a grid ceiling trim for the bottom of an overhead suspension of the present invention;
in the figure, 1, grid square tube, 11, horizontal square tube, 12, vertical square tube, 13, short square tube, 2, connecting snap ring, 21, U-shaped snap ring, 22, angle steel snap plate, 23, limit nut, 3, keel angle steel, 31, first keel angle steel, 311, first right angle bracket, 32, second keel angle steel, 321, second right angle bracket, 4, closed template, 5, overhanging type water stop plate, 51, rubber gasket, 52, capping angle steel, 6, water retaining bank, 1000, I-steel.
Detailed Description
The present embodiment is a preferred embodiment of the present invention, and other principles and basic structures that are the same as or similar to the present embodiment are within the scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the grid ceiling constructed by the grid ceiling decoration construction method for the bottom of the high-altitude cantilever frame is shown in reference to fig. 1-5 and 7, an overhanging outer scaffold where the grid ceiling is located and I-steel 1000 are arranged on one shear wall, the overhanging outer scaffold and the I-steel 1000 are erected according to the existing general method for erecting the shear wall cantilever frame, one end of the I-steel 1000 is fixed on a floor in the shear wall, the free end of the I-steel 1000 extends to the outside of the wall of the shear wall, and the outer scaffold is erected on the I-steel 1000 outside the wall. The grid square tube 1 is arranged below the I-steel 1000, the grid square tube 1 is formed by assembling common square tubes, the structure is shown in figure 5, and the grid square tube comprises a horizontal square tube 11 for decorating the bottom surface of a cantilever frame, a vertical square tube 12 for decorating the outer vertical surface of the cantilever frame and a short square tube 13, and all the parts are connected through inner connecting joints. The front end of horizontal square tube 11 is connected with the lower extreme of vertical square tube 12, and short square tube 13 sets up in the upper end of vertical square tube 12, and short square tube 13 is parallel with horizontal square tube 11 and extends to the direction at wall place, can avoid the discarded object that produces in the construction to fall into vertical square tube 12, can also cooperate the safety net on the fixed cantilever frame. The length of the horizontal square tube 11 is specifically set according to the specific width of the cantilever before installation, and the length is enough to completely shield the bottom surface of the cantilever; the length of the vertical square tube 12 is greater than the sum of the heights of the first right-angle bracket 311 and the second right-angle bracket 321.
The horizontal square tube 11 and the vertical square tube 12 of the grid square tube 1 are respectively sleeved with a connecting clamp ring 2 for fixing the grid square tube 1, the connecting clamp ring 2 comprises a U-shaped clamp ring 21 and an angle steel clamping plate 22, and the width of the U-shaped clamp ring 21 is matched with that of the grid square tube 1, so that the grid square tube 1 can be installed in the U-shaped clamp ring 21; the angle steel clamping plate 22 is an angle steel with the length larger than the width of the U-shaped clamping ring 21, is arranged at an opening of the U-shaped clamping ring 21 and is connected with two end parts of the U-shaped clamping ring 21; in order to fix the angle steel clamping plate 22 on the U-shaped snap ring 21, the end portion of the U-shaped snap ring 21 is provided with threads and respectively sleeved with a limiting nut 23, and the angle steel clamping plate 22 is fixed on the U-shaped snap ring 21 by the limiting nut 23. Before installing grid square tube 1, will connect snap ring 2 suit to grid square tube 1 on, make grid square tube 1 in U type snap ring 21, the cover is equipped with connection snap ring 2 respectively on horizontal square tube 11 and the vertical square tube 12, especially should be equipped with connection snap ring 2 more than two on the horizontal square tube 11, the quantity and the position of connection snap ring 2 on the grid square tube 1 should correspond with the quantity and the position of fossil fragments angle steel 3 on the I-steel 1000, in this embodiment, be equipped with two on the horizontal square tube 11 and connect snap ring 2, be equipped with one on the vertical square tube 12 and connect snap ring 2, quantity and the position of setting all correspond with fossil fragments angle steel 3.
The keel angle steel 3 of the fixed grid square tube 1 of the snap ring 2 is connected in a matching mode comprises a first keel angle steel 31 of the fixed horizontal square tube 11 and a second keel angle steel 32 of the fixed vertical square tube 12, right-angle supports are respectively arranged on the keel angle steel 3, and the keel angle steel 3 is fixed to the I-shaped steel 1000. In this embodiment, the right-angle bracket is composed of two mutually perpendicular angle steels welded together, and then is perpendicularly welded to the keel angle steel 3. Referring to fig. 1, a first keel angle 31 is arranged below an i-beam 1000, and a second keel angle 32 is arranged in front of a free end of the i-beam 1000 so that a vertical square tube 12 of a grid square tube 1 can be fixed on an outer vertical surface of a cantilever. In order to fix the first keel angle 31, more than two first right-angle brackets 311 are arranged on the first keel angle 31, the specific number corresponds to the number of the i-beams 1000, the lengths of the angle steels forming the first right-angle brackets 311 are respectively set according to the height and the width of the i-beams 1000, and the first right-angle brackets 311 are buckled on the i-beams 1000, so that the first keel angle 31 is fixed below the i-beams 1000. Set up on second keel angle 32 be second right angle support 321, the one end and the perpendicular connection of second keel angle 32 of second right angle support 321, other end welded fastening is on the free end of I-steel 1000 for second keel angle 32 is fixed to the place ahead of I-steel 1000 free end.
When installing grid square tube 1, on will connecting the angle steel cardboard 22 lock of snap ring 2 to fossil fragments angle steel 3, screw up stop nut 23, the inside grid square tube 1 of installing is upwards strained to U type snap ring 21 for the lower level and the 1 butt of grid square tube of fossil fragments angle steel 3, grid square tube 1 is fixed to on the I-steel 1000. Referring to fig. 7, a plurality of grid square tubes 1 are parallelly installed on keel angle steel 3, and the specific number is determined according to the length of the keel angle steel 3 and the distance between the grid square tubes 1, so that a grid ceiling is formed.
In the construction, in order to avoid the waste that produces in the construction from dropping, the bottom of cantilever frame generally needs to be sealed, and in this embodiment, in order to seal the cantilever frame, closed form 4 has been set up on I-steel 1000. The closed template 4 is a general closed template, and comprises a template body with a sealing effect, and a batten back edge and a steel pipe main edge which are arranged on the lower surface of the template body and used for supporting the template body. In this embodiment, in order to make things convenient for later stage rubbish clearance to improve the turnover rate of closing 4 templates, add one deck galvanized iron on the upper surface of closing 4 template bodies of template, galvanized iron surface is more smooth than general wooden template body, has higher intensity moreover, and difficult rust corrosion can promote the efficiency of rubbish clearance, reduces 4 in use of closing template and is corroded or the possibility of damaging moreover. In order to avoid the fine waste and water generated in the construction from sliding downwards along the wall body, the closed formwork 4 in the embodiment is arranged close to the wall body of the shear wall, and the lap joint of the galvanized iron sheet and the joint of the closed formwork 4 and the wall body are sealed by weather-resistant glue.
For the installation of convenient closed form 4, can set up the draw-in groove of placing of laying closed form 4 on the cantilever frame, for the landing in convenient upper strata construction rubbish floor, improve the efficiency of rubbish clearance simultaneously, place the draw-in groove and make closed form 4 to wall body one side slope, make closed form 4 and horizontal plane form an contained angle c, contained angle c satisfies 15 degrees and is less than or equal to 30, contained angle c is 15 in this embodiment.
In addition, because a large amount of waste water can be generated in the upper layer construction process, if the generated waste water flows downwards along the wall body, the appearance can be influenced, and part of decorated outer vertical surfaces can be polluted, so that a water retaining mechanism of the outer vertical surfaces needs to be arranged, and the waste water on the upper layer is prevented from flowing downwards. The overhanging frame in this embodiment is arranged on the shear wall, and the wall body is not provided with an opening for waste water to be collected inside, so that the water interception mechanism directly intercepts and discharges water, and the adopted water interception mechanism is an overhanging type water stop plate 5. In order to facilitate installation and removal, the overhanging type water stop plate 5 is arranged on the wall surface between the I-shaped steel 1000 and the closed template 4, the water stop device is made of metal materials, generally sheet metal materials such as iron sheets and the like which are common in construction places can be adopted, the overhanging type water stop plate 5 is in an L shape, the short side of the L shape is fixed on an outer wall body by an explosive bolt, and meanwhile, a rubber gasket 51 is arranged between the overhanging type water stop plate 5 and the wall body, so that flowing water on the wall body can flow onto the overhanging type water stop plate 5. In order to attach the overhanging type water stop plate 5 to the wall body, a top pressing angle steel 52 is further arranged on the outer side of the short side, during installation, a right-angle opening of the top pressing angle steel 52 faces upwards, one side of the top pressing angle steel 52 and the short side of the overhanging type water stop plate 5 are fixed on the wall surface together, and the short side of the overhanging type water stop plate 5 and a rubber gasket 51 on the inner side of the short side are tightly attached to the wall surface.
Because the overhanging type water stop plate 5 is arranged on the wall surface between the I-beam 1000 and the closed template 4, the I-beam 1000 is positioned below the overhanging type water stop plate 5, and the hole for installing the I-beam 1000 is formed in the wall body, so that the lower outer wall is polluted by the wastewater generated in the construction process of the floor where the I-beam 1000 is positioned, the hollow rubber rod for placing the wastewater to flow out is arranged at the bottom of the I-beam 1000, the hollow rubber rod is arranged at the part of the I-beam 1000 positioned in the wall body, the distance between the hollow rubber rod and the outer wall surface is generally adjusted between 290mm and 310mm according to the thickness of the wall body, and the distance between the hollow rubber rod and the outer wall surface in the embodiment is 300 mm.
Because grid square tube 1 is fixed on I-steel 1000 with the mode of approximate hanging in midair through fossil fragments angle steel 3 and connection snap ring 2, if the distance is too big between the fossil fragments angle steel 2 on same horizontal plane or the facade, grid square tube 1 fixed effect is not good, it is flagging easily, influence the impression, it can drop more probably, become the potential safety hazard, therefore, the distance between the fossil fragments angle steel 3 on the same plane should be less than 1000mm, in this embodiment, because the width of cantilever frame is not big, fossil fragments angle steel 3 on the horizontal direction is equipped with two, the distance between two fossil fragments angle steel 3 is 1000 mm.
In order to further improve the appearance of the bottom of the cantilever frame, in this embodiment, the lower surfaces of the i-steel 1000 and the closed template 4 and the supporting mechanism arranged on the lower surfaces adopt paint of the same color for color spraying treatment, and black paint spraying is adopted in this embodiment.
The specific construction steps of the construction method for the grille ceiling decoration at the bottom of the high-altitude suspension frame in the embodiment are as follows:
s001, erecting an I-steel 1000 and an outer scaffold of the cantilever frame;
s002, installing a closed template 4 above the I-steel 1000;
s003, carrying out color spraying treatment on the lower surface of the closed template 4, a supporting mechanism comprising a wood back ridge and a steel pipe main ridge on the lower surface, I-shaped steel 1000 and the like by using black paint;
s004, assembling the grid square tube 1 by using a common square tube;
s005, sleeving the connecting clamp ring 2 for fixing the grid square tube 1 on the grid square tube 1;
s006, fixing keel angle steel 3 matched with the fixed grid square tube 1 on an I-shaped steel 1000 of the cantilever frame;
s007, mounting the grid square tube 1 sleeved with the connecting snap ring 2 on keel angle steel 3;
and S008, installing the overhanging type water stop plate 5.
The second embodiment of the grid suspended ceiling constructed by the grid suspended ceiling decoration construction method for the bottom of the high-altitude cantilever frame is shown in fig. 6 and 7, the cantilever frame of the second embodiment is arranged on a wall body provided with side beams, and the i-beam 1000 outside the wall body is longer, so that three first keel angle steels 31 are arranged on the i-beam 1000 of the second embodiment shown in fig. 6. In this embodiment, the wall has an opening to allow the closed form 4 to be arranged on the floor inside the wall to the side of the wall that inclines, the water interception mechanism in this embodiment is a water blocking ridge 6, and the water blocking ridge is arranged on the floor below the closed form 4 to support one end of the closed form 4, and is built by using common sand-lime bricks in construction sites, and the height of the water blocking ridge is 50mm, and the water blocking ridge 6 can be heightened according to the water volume in specific implementation.
According to the construction method for decorating the grid suspended ceiling at the bottom of the high-altitude cantilever frame, the traditional grid suspended ceiling is arranged at the bottom of an outdoor cantilever scaffold, the grid is made of plastic PVC materials in a general way, the materials are well formed, and the grid suspended ceiling can be repeatedly recycled; the method that the sealing baffle plate adopts galvanized sheet to wrap up the template is convenient to clean in order to improve the surface smoothness of the sealing template, has certain durability to realize turnover reutilization, and sets up on the scaffold and places the draw-in groove in addition, makes the sealing template and the building roof become 15 degrees contained angles, further improves baffle turnover rate and encorbelments bottom rubbish cleaning efficiency, makes things convenient for the quick installation of sealing template simultaneously. The grid square tube adopts two-way adjustable quick detach mounting to be connected with the I-steel, and simple to operate in earlier stage not only has also improved the maneuverability that later stage high altitude was dismantled greatly, has reduced because of unsettled operation risk.
Claims (10)
1. A construction method for grid ceiling decoration at the bottom of a high-altitude cantilever frame is characterized by comprising the following steps:
s001, assembling a grid square tube (1), wherein the grid square tube (1) comprises a horizontal square tube (11) for decorating the bottom surface of the cantilever frame and a vertical square tube (12) for decorating the outer vertical surface of the cantilever frame, and the front end of the horizontal square tube (11) is connected with the lower end of the vertical square tube (12);
s002, sleeving a connecting clamping ring (2) for fixing the grid square tube (1) on the grid square tube (1), wherein the number of the connecting clamping ring (2) is more than two, the connecting clamping ring (2) comprises a U-shaped clamping ring (21) and an angle steel clamping plate (22), the angle steel clamping plate (22) is arranged at an opening of the U-shaped clamping ring (21) and connected with two end parts of the U-shaped clamping ring (21), threads are arranged on the end parts of the U-shaped clamping ring (21) and respectively sleeved with a limiting nut (23), the angle steel clamping plate (22) is fixed on the U-shaped clamping ring (21) by the limiting nut (23), and the grid square tube (1) is installed in the U-shaped clamping ring (21);
s003, keel angle steel (3) which is matched and fixed with the grid square tube (1) is fixed on I-shaped steel (1000) of a cantilever frame, the keel angle steel (3) comprises first keel angle steel (31) which is used for fixing the horizontal square tube (11) and second keel angle steel (32) which is used for fixing the vertical square tube (12), a right-angle support is arranged on the keel angle steel (3), the right-angle support comprises two pieces of angle steel which are vertically connected with each other, and the number of the right-angle supports corresponds to that of the I-shaped steel (1000); a first right angle bracket (311) is arranged on the first keel angle steel (31), the first right angle bracket (311) is vertically arranged on the first keel angle steel (31), and the first right angle bracket (311) is buckled on the I-shaped steel (1000) so that the first keel angle steel (31) is fixed below the I-shaped steel (1000); a second right-angle bracket (321) is arranged on the second keel angle steel (32), one end of the second right-angle bracket (321) is vertically connected with the second keel angle steel (32), and the other end of the second right-angle bracket is welded and fixed on the free end of the I-shaped steel (1000), so that the second keel angle steel (32) is fixed in front of the free end of the I-shaped steel (1000);
s004, the installation grid square tube (1), will the angle steel cardboard (22) lock of connecting snap ring (2) arrives on fossil fragments angle steel (3), screw up stop nut (23), make fossil fragments angle steel (3) with grid square tube (1) butt, grid square tube (1) is fixed to on I-steel (1000).
2. The construction method for the grid ceiling decoration of the bottom of the high-altitude cantilever frame according to claim 1, wherein a closed template (4) is arranged above the I-shaped steel (1000), and a galvanized iron sheet is arranged on the upper surface of the closed template (4).
3. The construction method for the grid ceiling decoration of the bottom of the high-altitude cantilever frame according to claim 2, wherein the cantilever frame is provided with a placing slot for placing the closed formwork (4), so that the closed formwork (4) is inclined towards one side of the wall body, an included angle c is formed between the upper surface of the closed formwork (4) and the horizontal plane, and the included angle c is more than or equal to 15 degrees and less than or equal to 30 degrees.
4. The grid ceiling decoration construction method for the bottom of the high-altitude cantilever frame according to claim 2, wherein an overhanging type water stop plate (5) and a rubber gasket (51) are arranged on a wall surface between the I-shaped steel (1000) and the closed template (4), the rubber gasket (51) is arranged between the wall surface and the overhanging type water stop plate (5), the overhanging type water stop plate (5) is L-shaped, the short edge of the overhanging type water stop plate (5) is fixed on the wall body, and a jacking angle steel (52) is arranged on the outer side of the short edge to enable the rubber gasket (51) on the inner side of the short edge and the short edge to be attached to the wall surface.
5. The construction method for decorating the grid suspended ceiling at the bottom of the high-altitude cantilever frame according to claim 2, wherein a water retaining bank (6) is arranged on a floor slab below the closed formwork (4), the water retaining bank (6) is built by adopting lime-sand bricks, and the height of the water retaining bank (6) is more than or equal to 50 mm.
6. The construction method for decorating the grid suspended ceiling at the bottom of the high-altitude suspension bracket according to claim 2, wherein the I-shaped steel (1000), the lower surface of the closed formwork (4) and the supporting mechanism arranged on the lower surface are sprayed with paint of the same color.
7. The construction method for the grille suspended ceiling decoration of the bottom of the high altitude suspension bracket as set forth in claim 1, wherein the hollow rubber rod is arranged at the bottom of the I-shaped steel (1000), and the hollow rubber rod is arranged at the part of the I-shaped steel (1000) arranged in the wall body and has a distance of 290mm and 310mm from the outer wall surface.
8. The method for constructing a grille ceiling decoration for the bottom of a high altitude suspension frame according to claim 1, wherein the interval between the keel angles (3) disposed on the same plane is less than 1000 mm.
9. The grid ceiling decoration construction method for the bottom of the high-altitude suspension bracket according to claim 1, wherein a short square tube (13) is further arranged at the upper end of the vertical square tube (12), the short square tube (13) is parallel to the horizontal square tube (11), and the length of the vertical square tube (12) is greater than the sum of the heights of the first right-angle bracket (311) and the second right-angle bracket (321).
10. The construction method for decorating the grid suspended ceiling at the bottom of the high-altitude cantilever frame according to claim 1, wherein an anti-slip gasket is arranged at the position where the grid square tube (1) is abutted to the keel angle steel (3), the thickness of the anti-slip gasket is 1-3mm, and the anti-slip gasket is a rubber sheet or a double-sided adhesive tape.
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| CN201910835837.0A CN110541516B (en) | 2019-09-05 | 2019-09-05 | Construction method for grid ceiling decoration at bottom of high-altitude cantilever frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6715729B2 (en) * | 2000-02-18 | 2004-04-06 | Symons Corporation | Overhanging form system and method of using the same |
| CN103276886B (en) * | 2013-06-25 | 2015-06-10 | 北京金港建设股份有限公司 | Overhanging frame at position of high-rise building sloping roof outer eave window and construction method thereof |
| CN203654692U (en) * | 2014-01-03 | 2014-06-18 | 中建八局第一建设有限公司 | Overhanging type mobile scaffold |
| CN205314556U (en) * | 2015-11-27 | 2016-06-15 | 中国一冶集团有限公司 | Slidingtype building protection board |
| CN205955244U (en) * | 2016-06-21 | 2017-02-15 | 中国建筑第二工程局有限公司 | Outer facade show protection canopy of model room |
| CN206000145U (en) * | 2016-07-21 | 2017-03-08 | 云南工程建设总承包公司 | A kind of overhanging scaffold ground shield device |
| CN206722368U (en) * | 2017-02-14 | 2017-12-08 | 中天建设集团有限公司 | One kind is used to protect frame system outside the working regularization of assembled architecture |
| CN206815793U (en) * | 2017-05-05 | 2017-12-29 | 绍兴明煌建材科技有限公司 | A kind of builder's jack |
| CN206800964U (en) * | 2017-06-12 | 2017-12-26 | 湖南省第六工程有限公司 | A kind of builder's jack bottom plate closes protector |
| CN206987345U (en) * | 2017-07-20 | 2018-02-09 | 中建电力建设有限公司 | A kind of scaffold connecting structure for aluminum alloy mould plate construction |
| CN207277661U (en) * | 2017-09-20 | 2018-04-27 | 天津市东泽天润建筑有限公司 | A kind of side leads to ceiling structure |
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