CN108425455B - Construction process node and construction method for reverse installation of refrigeration house plate suspended ceiling - Google Patents
Construction process node and construction method for reverse installation of refrigeration house plate suspended ceiling Download PDFInfo
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- CN108425455B CN108425455B CN201810177299.6A CN201810177299A CN108425455B CN 108425455 B CN108425455 B CN 108425455B CN 201810177299 A CN201810177299 A CN 201810177299A CN 108425455 B CN108425455 B CN 108425455B
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 94
- 238000010276 construction Methods 0.000 title claims description 41
- 238000000034 method Methods 0.000 title claims description 25
- 230000008569 process Effects 0.000 title claims description 22
- 238000009434 installation Methods 0.000 title claims description 21
- 238000007789 sealing Methods 0.000 claims abstract description 95
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000009413 insulation Methods 0.000 claims abstract description 37
- 210000002105 tongue Anatomy 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 238000010079 rubber tapping Methods 0.000 claims description 12
- 229920002635 polyurethane Polymers 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 239000011162 core material Substances 0.000 description 3
- 239000011490 mineral wool Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000004590 silicone sealant Substances 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
-
- 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
- E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
- E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
- E04B9/245—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto by means of screws, bolts or clamping strips held against the underside of the supporting construction
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refrigerator Housings (AREA)
Abstract
A ceiling of a refrigeration house plate is hung below a plurality of keels, each keel is fixed with the ceiling of the refrigeration house plate through a plurality of groups of hoisting assemblies which are uniformly arranged at intervals, and the keels are made of I-shaped steel; the refrigeration house plate ceiling is formed by splicing a plurality of rectangular refrigeration house plates, the long edges of the refrigeration house plates are grooves and tongues, the short edges of the refrigeration house plates are parallel and level surfaces, the long edges of adjacent refrigeration house plates are fixedly connected through the grooves and tongues, and a plugging component is arranged in a splicing seam between the short edges of the adjacent refrigeration house plates; the hoisting assembly comprises a n-shaped hoisting piece and a Z-shaped positioning plate; the plugging assembly comprises a seam sealing steel plate and a seam sealing hanger, wherein the seam sealing steel plate and the seam sealing hanger are plugged at openings at the upper end and the lower end of the splicing seam, and a heat insulation lifting hook is arranged in the splicing seam between the seam sealing steel plate and the seam sealing hanger. The invention has the characteristics of safety, applicability and the like, has good popularization and practical values, and can generate good economic benefits after wide popularization and application.
Description
Technical Field
The invention belongs to the field of ceiling construction of refrigeration house plates, and particularly relates to a reverse installation construction process node and a construction method for a refrigeration house plate ceiling.
Background
Under the general condition, during construction refrigeration house plate furred ceiling, need set up full hall operation scaffold frame or use mechanical lift operation platform at refrigeration house plate downside, generally use lift platform when indoor net height is great, but lift platform needs a comparatively level ground to go and berth. When the very big and indoor ground of indoor clean height can't provide the lift platform parking condition for the installation of refrigeration house plate furred ceiling, if adopt the mode construction of setting up full hall scaffold, will waste a large amount of resources, can cause the influence to other branch project constructions indoor simultaneously.
Disclosure of Invention
The invention aims to provide a construction process node and a construction method for reverse installation of a cold storage plate ceiling, which aim to solve the problems of high indoor clear height, complex ground modeling and unsuitability for installation of an indoor cold storage plate by using a mechanical operation platform, and further aim to solve the technical problems of the prior art that the construction of the cold storage plate ceiling needs to be completed by an operating frame and the workload is large. .
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a be used for construction process node of refrigeration house plate furred ceiling reverse installation which characterized in that: the refrigeration house plate suspended ceiling is hung below a plurality of keels, each keel is fixed with the refrigeration house plate suspended ceiling through a plurality of groups of hoisting assemblies which are uniformly arranged at intervals, and each keel is made of I-shaped steel; the refrigeration house plate ceiling is formed by splicing a plurality of rectangular refrigeration house plates, the long edges of the refrigeration house plates are grooves and tongues, the short edges of the refrigeration house plates are parallel and level surfaces, the long edges of the adjacent refrigeration house plates are fixedly connected through the grooves and tongues, and a plugging assembly is arranged in a splicing seam between the short edges of the adjacent refrigeration house plates;
the hoisting assembly comprises a n-shaped hoisting piece and a Z-shaped positioning plate, the n-shaped hoisting piece comprises a U-shaped clamping piece, a notch of the U-shaped clamping piece is downwards clamped on the keel, two vertical parts of the U-shaped clamping piece are respectively provided with a horizontal outward flange, and the flanges are fixed with the refrigeration house plate through heat-insulating large-head screws; the transverse part of the U-shaped clamping piece and the upper flange plate of the keel are fixed through a staggered self-tapping screw, the Z-shaped positioning plate is arranged between a web plate of the keel and the vertical part of the U-shaped clamping piece, the Z-shaped positioning plate comprises a middle connecting plate, fixing plates are arranged at two ends of the middle connecting plate and are vertically fixed with the middle connecting plate, and the two fixing plates are respectively fixed with the vertical part of the U-shaped clamping piece and the web plate of the keel through self-tapping screws;
the sealing assembly comprises a sealing steel plate and a sealing hanger, wherein the sealing steel plate and the sealing hanger are used for sealing openings at the upper end and the lower end of a splicing seam, a heat insulation lifting hook is arranged in the splicing seam between the sealing steel plate and the sealing hanger, the sealing hanger and the sealing steel plate are arranged along the length of the splicing seam, the sealing hanger is of an inverted T shape, sealing strip clamping grooves are formed in two sides of a flange towards one side of a cold storage plate, the sealing strip clamping grooves are arranged along the length of a sealing hanger flange plate, sealing strips are arranged between the sealing strip clamping grooves and the cold storage plate, a web plate of the sealing hanger is inserted into the splicing seam, holes are uniformly formed in the web plate of the sealing hanger at intervals, heat insulation lifting hooks are arranged on all openings, the lower ends of the heat insulation lifting hooks hook the holes, and the upper ends of the heat insulation lifting hooks are fixed by.
Further preferably, the flanging comprises a left flanging and a right flanging, the left flanging is longer than the right flanging, and a rib plate is arranged between the left flanging and the vertical part of the U-shaped clamping piece.
Furthermore, a base plate and a first gasket are arranged between the lifting hook nut and the seam sealing steel plate, and the base plate is arranged below the gasket.
Further, every all be equipped with the slotted hole on the turn-ups, thermal-insulated big head screw rod surface upwards scribbles thermal-insulated coating from the head nut, thermal-insulated coating length is less than freezer plate thickness, it is fixed with the turn-ups through two nuts after the slotted hole is passed to thermal-insulated big head screw rod upper end, two nuts be top layer nut and bottom nut respectively, the top layer nut is located the turn-ups top, and the bottom nut is located the turn-ups below.
Further, the heat insulation lifting hook comprises a heat insulation coating section and a thread section, the heat insulation coating section is formed by coating heat insulation materials on a lifting hook steel core, and the tail end of the heat insulation coating section is a 180-degree hook.
Furthermore, the splicing seams are filled with foamed polyurethane.
Furthermore, the transverse length of the flange plate on the left side of the web plate of the sealing hanger is smaller than that of the flange plate on the right side, and two sealing strip clamping grooves are formed in the flange plate on the right side.
In addition, the material of the seam sealing steel plate is the same as that of the refrigeration house plate, and the upper plate surface and the lower plate surface of the seam sealing steel plate are respectively paved with an insulating PVC film.
More preferably, the tongue-and-groove adjacent to the long edge of the refrigeration house plate is fixed by glass cement.
A construction method for a reverse construction process node of a suspended ceiling of a refrigeration house plate is characterized by comprising the following steps:
the method comprises the following steps: mounting a keel; determining the distance and the position of the keel according to the length of the refrigeration house plate and the fixed distance;
step two: processing the ground of the cold storage plate; drilling a hole in the short side of the cold storage plate, wherein the hole diameter is equal to the outer diameter of the heat-insulating big head screw, the heat-insulating big head screw penetrates through the hole, a bottom layer nut is screwed at the threaded end of the heat-insulating big head screw, a rubber gasket and a gasket II are sequentially arranged between the cold storage plate and the bottom layer nut, and a proper amount of glass cement is filled in a groove of a tongue-and-groove in the long side of the cold storage plate for tongue-and-groove;
step three: hoisting the cold storage plate; lifting the cold storage plate to the position below the keel by using a small winch arranged in the roof, riding the inverted V-shaped hanging piece on the keel, penetrating the threaded end of the heat-insulating big-head screw through the long round hole of the inverted V-shaped hanging piece, and then screwing a top-layer nut;
step four: fixing the cold storage plate; after the refrigeration house plate and the corresponding n-shaped hanging pieces are completely twisted, the positions of the n-shaped hanging pieces are adjusted to ensure that the rabbet of the long edge of the refrigeration house plate is tightly butted with the adjacent refrigeration house plate, the upper end of the n-shaped hanging piece is fixedly connected with the upper flange of the keel by adopting a staggered tail self-tapping screw, and the side surface of the n-shaped hanging piece is fixedly connected with the web plate of the keel by adopting a Z-shaped positioning plate;
step five: hoisting a sealing hanger; lifting the heat insulation lifting hook with the lower end hooked with the seam sealing hanger to the lower side of the refrigeration house plate by using a light winch, tensioning the seam sealing hanger upwards to ensure seamless contact between the sealing strip and the refrigeration house plate, and filling foamed polyurethane in a gap between the refrigeration house plates;
step six: sealing the splicing seams; after the foamed polyurethane is hardened, a seam sealing steel plate, a base plate and a gasket are sequentially installed and sleeved on the thread section of the heat insulation lifting hook, and then a lifting hook nut is screwed on, so that the construction of the reverse installation construction process node for the suspended ceiling of the refrigeration house plate is completed.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the invention provides a construction method for a scaffold free from being fully built under the working environment of indoor clear height, large ground gradient and complex ground topography by optimally designing the short-edge sealing node of a refrigeration house plate.
According to the invention, the refrigeration house plate is connected with the keel through the n-shaped hanging piece, so that the position fine adjustment of the refrigeration house plate can be ensured when the refrigeration house plate is hoisted in place, the grooves and the grooves in the long side direction can be tightly connected, the short sides of the refrigeration house plate are provided with the splicing seams of 20mm, the splicing seams are positioned on one side of the long flange of the n-shaped hanging piece, the splicing seams are used for the operation of the seam sealing hanging piece, the seam sealing operation of the conventional ceiling construction below the ceiling surface is avoided, namely, the scaffold is prevented from being erected or a lifting operation platform is prevented from being used, the rib plates of the n-shaped hanging piece are connected with the keel web plate through the Z-.
The invention has the characteristics of safety, applicability and the like, has good popularization and practical values, and can generate good economic benefits after wide popularization and application.
Drawings
FIG. 1 is a schematic structural view of a reverse installation construction process node for a refrigeration house plate ceiling of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic view of the construction of a heat insulation hook according to the present invention;
FIG. 4 is a schematic structural view of a n-shaped hanger according to the present invention;
FIG. 5 is a schematic perspective view of a n-shaped hanger according to the present invention;
FIG. 6 is a schematic view of a Z-shaped positioning plate according to the present invention;
FIG. 7 is a schematic perspective view of a Z-shaped positioning plate according to the present invention;
FIG. 8 is a schematic structural view of a heat-insulating thumb screw according to the present invention;
FIG. 9 is a schematic view of the construction of a seaming hanger according to the present invention.
Reference numerals: 1-a cold storage plate; 2-keel; 3-n-shaped hanging pieces; 31-U-shaped clamping pieces; 32-flanging the left side; 33-right side flanging; 34-a rib plate; 4-Z-shaped positioning plates; 41-a middle connection plate; 42-fixing plate; 5-self-tapping screw with wrong tail; 6-heat insulation big head screw; 7-splicing seams; 8-heat insulation lifting hook; 81-insulating coating section; 82-a threaded segment; 9-sealing the seam hanging piece; 10-sealing a seam steel plate; 11-hook nut; 12-a backing plate; 13-spacer one; 14-long round hole; 15-top layer nut; 16-bottom layer nut; 17-foamed polyurethane; 18-a sealing strip; 19-a rubber gasket; 20-a second gasket; 21-the weatherstrip capture slot.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
A is used for the ceiling inverse installation construction process node of the cold storage plate, as shown in fig. 1 and 2, the ceiling of the cold storage plate is hung and set up below several pieces of carinate 2, every said carinate 2 is fixed with ceiling of the cold storage plate through several groups of hoisting assemblies set up evenly at intervals, carinate 2 is made of I-steel; the refrigeration house plate ceiling is formed by assembling a plurality of rectangular refrigeration house plates 1, the long sides of the refrigeration house plates 1 are grooves and tongues, the short sides of the refrigeration house plates 1 are parallel and level surfaces, the long sides of the adjacent refrigeration house plates 1 are fixedly connected through the grooves and tongues, a plugging component is arranged in a splicing seam 7 between the short sides of the adjacent refrigeration house plates 1, and the grooves and tongues of the long sides of the adjacent refrigeration house plates 1 are fixedly connected through glass cement;
the hoisting assembly comprises a n-shaped hoisting piece 3 and a Z-shaped positioning plate 4, as shown in fig. 4 and 5, the n-shaped hoisting piece 3 comprises a U-shaped clamping piece 31 with a notch downwards clamped on the keel 2, two vertical parts of the U-shaped clamping piece 31 are respectively provided with a horizontal outward flange, the flanges are respectively fixed with the cold storage plate 1 through a heat insulation big head screw 6 shown in fig. 8 and comprise a left flange 32 and a right flange 33, the left flange 32 is longer than the right flange 33, and a rib plate 34 is arranged between the left flange 32 and the vertical part of the U-shaped clamping piece 31; the transverse part of the U-shaped clamping piece 31 is fixed with the upper flange plate of the keel 2 through a tail-staggering self-tapping screw 5; as shown in fig. 6 and 7, the Z-shaped positioning plate 4 is disposed between the web of the keel 2 and the vertical portion of the U-shaped fastener 31, the Z-shaped positioning plate 4 includes a middle connecting plate 41, fixing plates 42 are disposed at both ends of the middle connecting plate 41, the fixing plates 42 are vertically fixed to the middle connecting plate 41, and the two fixing plates 42 are respectively fixed to the vertical portion of the U-shaped fastener 31 and the web of the keel 2 through self-tapping screws;
the plugging component comprises a seam sealing steel plate 10 and a seam sealing hanger 9, wherein the seam sealing steel plate 10 and the seam sealing hanger 9 are plugged at openings at the upper end and the lower end of a splicing seam 7, foamed polyurethane 17 is filled in the splicing seam 7, a heat insulation lifting hook 8 shown in figure 3 is arranged in the splicing seam 7 between the seam sealing steel plate 10 and the seam sealing hanger 9, the seam sealing hanger 9 and the seam sealing steel plate 10 are both arranged along the whole length of the splicing seam 7, as shown in figure 9, the seam sealing hanger 9 is of an inverted T shape, sealing strip clamping grooves 21 are arranged on two sides of a flange facing to a cold storage plate 1, the sealing strip clamping grooves 21 are arranged along the whole length of a flange plate of the seam sealing hanger 9, a sealing strip 18 is arranged between the sealing strip clamping grooves 21 and the cold storage plate 1, a web plate of the seam sealing hanger 9 is inserted into the splicing seam 7, openings are uniformly arranged on the web plate of the seam sealing hanger 9 at intervals, a heat insulation lifting hook 8 is arranged on each opening, the lower end, the left flange plate transverse length of the sealing hanger 9 web plate is smaller than the right flange plate transverse length, two sealing strip clamping grooves 21 are formed in the right flange plate, the material of a sealing steel plate 10 is the same as that of the refrigeration house plate 1, and insulating PVC films are paved on the upper plate surface and the lower plate surface of the sealing steel plate 10.
A backing plate 12 and a first gasket 13 are arranged between a lifting hook nut 11 and a seam sealing steel plate 10, the backing plate 12 is arranged below the first gasket 13, each flanging is provided with a long round hole 14, the surface of a screw rod of a heat insulation big-end screw 6 is upwards coated with a heat insulation coating from a head nut, the length of the heat insulation coating is smaller than the thickness of a cold storage plate 1, the upper end of the screw rod of the heat insulation big-end screw 6 penetrates through the long round hole 14 and then is fixed with the flanging through two nuts, the two nuts are respectively a top nut 15 and a bottom nut 16, the top nut 15 is positioned above the flanging, the bottom nut 16 is positioned below the flanging, the heat insulation lifting hook 8 comprises a heat insulation coating section 81 and a thread section 82, the heat insulation coating section 81 is formed by coating heat insulation materials.
A construction method for a reverse construction process node of a suspended ceiling of a refrigeration house plate is characterized by comprising the following steps:
the method comprises the following steps: installing a keel 2; determining the distance and the position of the keels 2 according to the length and the fixed distance of the refrigeration house plate 1;
step two: processing the ground of the refrigeration house plate 1; drilling a short side of the refrigeration house plate 1, wherein the aperture is equal to the outer diameter of the heat-insulating big head screw 6, the heat-insulating big head screw 6 penetrates through the hole, a bottom layer nut 16 is screwed at the threaded end of the heat-insulating big head screw 6, a rubber gasket 19 and a gasket II 20 are sequentially padded between the refrigeration house plate 1 and the bottom layer nut 16, and a proper amount of glass cement is filled in a groove of a long side rabbet of the refrigeration house plate 1 for rabbet connection;
step three: hoisting the cold storage plate 1; a small winch arranged in a roof is adopted to lift the cold storage plate 1 to a position below the keel 2, meanwhile, the inverted V-shaped hanging piece 3 is arranged on the keel 2, the threaded end of the heat insulation big head screw 6 penetrates through the long round hole 14 of the inverted V-shaped hanging piece 3, and then a top layer nut is screwed;
step four: fixing the refrigeration plate 1; after the refrigeration house plate 1 and the corresponding n-shaped hanging pieces 3 are completely twisted, the positions of the n-shaped hanging pieces 3 are adjusted to ensure that the tongue-and-groove of the long edge of the refrigeration house plate 1 is tightly butted with the adjacent refrigeration house plate 1, the upper ends of the n-shaped hanging pieces 3 are fixedly connected with the upper flange of the keel 2 by the self-tapping screw 5 with staggered tail, and the side surfaces of the n-shaped hanging pieces 3 are fixedly connected with the web plate of the keel 2 by the self-tapping screw 5 with staggered tail by adopting a Z-shaped positioning plate;
step five: hoisting the sealing joint hoisting piece 9; lifting a heat insulation lifting hook 8 with a seam sealing hanger 9 hooked at the lower end to the lower side of the refrigeration house plate by using a light winch, tensioning the seam sealing hanger 9 upwards to ensure seamless contact between a sealing strip 18 and the refrigeration house plate 1, and then filling foamed polyurethane 17 in a gap between the refrigeration house plates;
step six: the splicing seam 7 is closed; after the foamed polyurethane 17 is hardened, a seam sealing steel plate 10, a base plate 12 and a first gasket 13 are sequentially installed and sleeved on the thread section 82 of the heat insulation lifting hook 8, and then a lifting hook nut 11 is screwed on, so that the construction of the reverse installation construction process node for the suspended ceiling of the refrigeration house plate is completed.
The materials used for the components related to the invention are as follows: the cold storage plate is a low wave aluminum-zinc plated profiled steel plate with the thickness of 0.6mm, the wave height is less than or equal to 1mm, and the surface aluminum-zinc plated quantity is 150g/m2The thickness of the surface PE coating is more than or equal to 20 mu m; the heat-insulating core material is made of rock wool and PIR (125 mmPIR +50mm rock wool), the whole thickness is 175mm, and the heat conductivity coefficient is 0.19 (W/m)2K), wherein the rock wool has a bulk weight of 120kg/m3Thermal conductivity 0.042 (W/m)2K), PIR plate bulk weight 43-45 kg/m3, thermal conductivity 0.020 (W/m)2·K）。
The n-shaped hanging piece is made of a steel plate and a stiffening plate, the thickness of the steel plate is 5mm, the width of the steel plate is 80mm, the size of the long round hole is 20mm multiplied by 40mm, and the upper hanging plate is provided with 2 phi 6 round holes.
The specification of the heat-insulating big head screw is M18, namely the diameter of the steel core is 18mm, the length of the screw rod is 260mm, the length of the screw thread is 50mm, the material grade is 4.8 grade, and the heat-insulating material is nylon; the bolt is provided with double nuts, double steel pads and 1EPDM pads.
The joint sealing hanger is made of an aluminum alloy section and is 6063-T5, the surface is sprayed with fluorocarbon, holes with the diameter of phi 10 are formed in a rib plate of the hanger, and the distance between the holes is 373.3 mm; the seam sealing steel plate is also made of an aluminum alloy section, is made of 6063-T5, and is coated with fluorocarbon on the surface.
Weather-proof silicone sealant is adopted at the long side rabbet of the refrigeration house plate, and the short side gap is filled with foamed polyurethane.
The hanging bar is made of phi 6 steel bars, the material is HPB300, and the surface is a nylon heat insulation coating.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a be used for construction process node of refrigeration house plate furred ceiling reverse installation which characterized in that: the refrigeration house plate suspended ceiling is arranged below the keels (2), each keel (2) is fixed with the refrigeration house plate suspended ceiling through a plurality of groups of hoisting assemblies which are uniformly arranged at intervals, and each keel (2) is made of I-shaped steel; the refrigeration house plate ceiling is formed by assembling a plurality of rectangular refrigeration house plates (1), the long edges of the refrigeration house plates (1) are tongue-and-groove openings, the short edges of the refrigeration house plates (1) are parallel and level surfaces, the long edges of the adjacent refrigeration house plates (1) are fixedly connected through the tongue-and-groove openings, and a plugging assembly is arranged in a splicing seam (7) between the short edges of the adjacent refrigeration house plates (1);
the hoisting assembly comprises a n-shaped hoisting piece (3) and a Z-shaped positioning plate (4), the n-shaped hoisting piece (3) comprises a U-shaped clamping piece (31) with a notch downwards clamped on the keel (2), two vertical parts of the U-shaped clamping piece (31) are respectively provided with a horizontal outward flange, and the flanges are fixed with the refrigeration house plate (1) through heat-insulating large-head screws (6); the transverse part of the U-shaped clamping piece (31) and the upper flange plate of the keel (2) are fixed through a tail-staggered self-tapping screw (5), the Z-shaped positioning plate (4) is arranged between a web plate of the keel (2) and the vertical part of the U-shaped clamping piece (31), the Z-shaped positioning plate (4) comprises a middle connecting plate (41), fixing plates (42) are arranged at two ends of the middle connecting plate (41), the fixing plates (42) are vertically fixed with the middle connecting plate (41), and the two fixing plates (42) are respectively fixed with the vertical part of the U-shaped clamping piece (31) and the web plate of the keel (2) through self-tapping screws;
the sealing assembly comprises a sealing seam steel plate (10) and a sealing seam hanging piece (9) which are sealed at openings at the upper end and the lower end of a splicing seam (7), wherein a heat insulation lifting hook (8) is arranged in the splicing seam (7) between the sealing seam steel plate (10) and the sealing seam hanging piece (9), the sealing seam hanging piece (9) and the sealing seam steel plate (10) are both arranged along the whole length of the splicing seam (7), the sealing seam hanging piece (9) is of an inverted T shape, sealing strip clamping grooves (21) are formed in two sides of a flange facing one side of a cold storage plate (1), the sealing strip clamping grooves (21) are arranged along the whole length of a flange plate of the sealing seam hanging piece (9), sealing strips (18) are arranged between the sealing strip clamping grooves (21) and the cold storage plate (1), a web plate of the sealing seam hanging piece (9) is inserted into the splicing seam (7), holes are uniformly arranged on the web plate of the sealing seam hanging piece (9) at intervals, and each opening is provided with the heat insulation, the lower end of the heat insulation lifting hook (8) hooks the opening, and the upper end of the heat insulation lifting hook penetrates through the seam sealing steel plate (10) and then is fixed by a lifting hook nut (11).
2. The process node for the reverse installation construction of the refrigeration house panel ceiling of claim 1, wherein: the flanging comprises a left flanging (32) and a right flanging (33), the left flanging (32) is longer than the right flanging (33), and a rib plate (34) is arranged between the left flanging (32) and the vertical part of the U-shaped clamping piece (31).
3. The process node for the reverse installation construction of the refrigeration house panel ceiling of claim 1, wherein: be equipped with backing plate (12) and gasket (13) between lifting hook nut (11) and joint sealing steel sheet (10), gasket (13) below is located in backing plate (12).
4. The process node for the reverse installation construction of the refrigeration house panel ceiling of claim 1, wherein: every all be equipped with slotted hole (14) on the turn-ups, thermal-insulated big end screw (6) screw rod surface upwards scribbles thermal-insulated coating from the head nut, thermal-insulated coating length slightly is less than refrigeration house board (1) thickness, it is fixed with the turn-ups through two nuts after slotted hole (14) is passed to thermal-insulated big end screw (6) screw rod upper end two the nut is top layer nut (15) and bottom nut (16) respectively, top layer nut (15) are located the turn-ups top, and bottom nut (16) are located the turn-ups below.
5. The process node for the reverse installation construction of the refrigeration house panel ceiling of claim 1, wherein: the heat insulation lifting hook (8) comprises a heat insulation coating section (81) and a threaded section (82), and the tail end of the heat insulation coating section (81) is a 180-degree hook.
6. The process node for the reverse installation construction of the refrigeration house panel ceiling of claim 1, wherein: and foamed polyurethane (17) is filled in the splicing seams (7).
7. The process node for the reverse installation construction of the refrigeration house panel ceiling of claim 1, wherein: the transverse length of the flange plate on the left side of the web plate of the sealing seam hanger (9) is smaller than that of the flange plate on the right side, and two sealing strip clamping grooves (21) are formed in the flange plate on the right side.
8. The process node for the reverse installation construction of the refrigeration house panel ceiling of claim 1, wherein: the material of the seam sealing steel plate (10) is the same as that of the cold storage plate (1), and insulating PVC films are paved on the upper plate surface and the lower plate surface of the seam sealing steel plate (10).
9. The process node for the reverse installation construction of the refrigeration house panel ceiling of claim 1, wherein: and the grooves and tongues of the long sides of the adjacent refrigerator boards (1) are connected and fixed through glass cement.
10. A construction method for a reverse-installed construction process node of a cold storage plate ceiling as claimed in any one of claims 1 ~ 9, comprising the steps of:
the method comprises the following steps: installing a keel (2); determining the distance and the position of the keel (2) according to the length and the fixed distance of the refrigeration house plate (1);
step two: machining the ground of the refrigeration house plate (1); drilling a short side of the cold storage plate (1), wherein the aperture is equal to the outer diameter of the heat-insulating big-end screw (6), the heat-insulating big-end screw (6) penetrates through the hole, a bottom-layer nut (16) is screwed at the threaded end of the heat-insulating big-end screw (6), a rubber gasket (19) and a gasket II (20) are sequentially padded between the cold storage plate (1) and the bottom-layer nut (16), and a proper amount of glass cement is filled in a groove of a long-side rabbet of the cold storage plate (1) for rabbet connection;
step three: hoisting the cold storage plate (1); a small winch arranged in a roof is adopted to lift the cold storage plate (1) below the keel (2), meanwhile, the inverted V-shaped hanging piece (3) is arranged on the keel (2), the threaded end of the heat-insulating big head screw (6) penetrates through the long round hole (14) of the inverted V-shaped hanging piece (3), and then a top-layer nut is screwed;
step four: the refrigeration house plate (1) is fixed; after the refrigeration house plate (1) and the corresponding n-shaped hanging pieces (3) are completely twisted, the positions of the n-shaped hanging pieces (3) are adjusted, the rabbet of the long edge of the refrigeration house plate (1) is tightly butted with the adjacent refrigeration house plate (1), the upper ends of the n-shaped hanging pieces (3) are fixedly connected with the upper flange of the keel (2) by the self-tapping screw (5), and the side surfaces of the n-shaped hanging pieces (3) and the web plate of the keel (2) are fixedly connected by the self-tapping screw (5) with the wrong tail by the Z-shaped positioning plate;
step five: hoisting a sealing joint hoisting piece (9); lifting a heat insulation lifting hook (8) with a seam sealing hanger (9) hooked at the lower end to the lower side of the refrigeration house plate by using a light winch, tensioning the seam sealing hanger (9) upwards to ensure seamless contact between a sealing strip (18) and the refrigeration house plate (1), and filling foamed polyurethane (17) in a gap between the refrigeration house plates;
step six: the splicing seam (7) is closed; after the foaming polyurethane (17) is hardened, a seam sealing steel plate (10), a base plate (12) and a first gasket (13) are sequentially installed and sleeved on a thread section (82) of the heat insulation lifting hook (8), and then a lifting hook nut (11) is screwed on, so that the construction of the reverse installation construction process node for the suspended ceiling of the refrigeration house plate is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810177299.6A CN108425455B (en) | 2018-03-05 | 2018-03-05 | Construction process node and construction method for reverse installation of refrigeration house plate suspended ceiling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810177299.6A CN108425455B (en) | 2018-03-05 | 2018-03-05 | Construction process node and construction method for reverse installation of refrigeration house plate suspended ceiling |
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| CN108425455B true CN108425455B (en) | 2019-12-27 |
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| CN111075090A (en) * | 2019-12-30 | 2020-04-28 | 浙江亚厦装饰股份有限公司 | Clamping groove type suspended ceiling base layer structure and installation method |
| CN113832881B (en) * | 2020-06-23 | 2022-11-29 | 西藏中驰集团股份有限公司 | Screen body and steel structure integrated mounting structure suitable for totally-enclosed sound barrier roof |
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| WO2010028928A1 (en) * | 2008-09-10 | 2010-03-18 | Arcelormittal Dudelange S.A. | Firestop screen suspended ceiling |
| CN201362902Y (en) * | 2009-01-19 | 2009-12-16 | 上海盈创装饰设计工程有限公司 | Glass fiber-reinforced plaster board ceiling connecting structure |
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