WO2010111943A1 - 一种冷库吊顶结构及其施工方法 - Google Patents

一种冷库吊顶结构及其施工方法 Download PDF

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Publication number
WO2010111943A1
WO2010111943A1 PCT/CN2010/071424 CN2010071424W WO2010111943A1 WO 2010111943 A1 WO2010111943 A1 WO 2010111943A1 CN 2010071424 W CN2010071424 W CN 2010071424W WO 2010111943 A1 WO2010111943 A1 WO 2010111943A1
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WO
WIPO (PCT)
Prior art keywords
cold storage
steel plate
main body
frame
grid
Prior art date
Application number
PCT/CN2010/071424
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English (en)
French (fr)
Inventor
王宏
Original Assignee
广州拜尔冷链聚氨酯科技有限公司
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Application filed by 广州拜尔冷链聚氨酯科技有限公司 filed Critical 广州拜尔冷链聚氨酯科技有限公司
Priority to US13/262,631 priority Critical patent/US8720146B2/en
Publication of WO2010111943A1 publication Critical patent/WO2010111943A1/zh

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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
    • E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/14—Supports for linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • 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
    • E04B9/008—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with means for connecting partition walls or panels to the ceilings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/085—Breaking strips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/90—Passive houses; Double facade technology
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the invention relates to a structure of a cold storage ceiling and a construction method of a suspended ceiling structure.
  • the cold storage ceiling generally adopts the cold storage board splicing ceiling or the civil construction ceiling, and the cold storage board splicing the ceiling, although the on-site construction is faster, but due to the between the reservoir boards The cold phenomenon at the joints is serious. Therefore, the insulation effect is poor, especially suitable for use in large cold storages with huge roof area.
  • civil structures it is necessary to build columns under the civil ceiling to ensure the solidity of the civil ceiling. Safety, in this way, although the insulation effect is good, the column occupies the space of the cold storage, so that the storage capacity is reduced.
  • the first object of the present invention is to provide a cold storage ceiling structure
  • the second object is to provide a construction method of a cold storage ceiling structure, which can improve the heat preservation effect of the cold storage, save energy, and increase the storage of the cold storage by using the structure of the present invention.
  • the capacity can increase the service life of the cold storage, and the construction method of the present invention can improve the construction efficiency.
  • the cold storage ceiling structure of the present invention comprises a ceiling net frame, the ceiling net frame comprises a main body net frame, a hanging beam connecting the main body net frame and the cold storage top; and the main net frame is laid.
  • the ceiling net frame comprises a main body net frame, a hanging beam connecting the main body net frame and the cold storage top; and the main net frame is laid.
  • the cold-breaking bridge component comprises an insulation rod, an upper connecting rod connecting the main body grid and the insulating rod, and the connecting color steel plate and the insulation. good Lower connecting rod.
  • the heat insulating strip is disposed between the main body grid and the upper color steel plate, a cold insulation including a heat insulating rod which largely plays a role of cooling is disposed between the upper color steel plate and the lower color steel plate.
  • the bridge component sprays the polyurethane insulation layer layer by layer in the space between the upper color steel plate and the lower color steel plate to form a seamless insulation layer.
  • the cold storage ceiling has good insulation effect and good energy saving effect;
  • the structure is connected with the ceiling of the cold storage by the ceiling grid, and the main grid is wrapped in the polyurethane insulation layer between the upper color steel plate and the lower color steel plate, so that the structure of the cold storage ceiling is compact, firm and high in strength, and no support is needed in the cold storage.
  • the column can achieve the strength requirement, thus increasing the storage capacity of the cold storage; due to the use of the suspended grid structure, the seamless polyurethane insulation layer can be prevented from cracking due to stress concentration, therefore, the use of the cold storage ceiling structure Long life; Because the upper and lower surfaces of the cold storage ceiling are made of color steel plates, the cold storage ceiling structure is beautiful, safe and fireproof. In line with food hygiene standards.
  • the ceiling grid further comprises an auxiliary grid
  • the subsidiary grid is a gold-shaped grid
  • the tip of the gold-shaped grid is connected with the hanging beam
  • the big end of the gold-shaped grid is opposite to the main grid. connection.
  • the lower end of the lower connecting rod is connected with a connecting steel strip, and the connecting steel strip is provided with a plated fitting, and the lower color steel plate is mounted on the plated fitting. This facilitates the installation of the lower color steel plate.
  • the upper connecting rod is an upper screw
  • the lower connecting rod is a lower screw
  • the insulating rod is a high impact PP insulating rod
  • the upper end of the high impact PP insulating rod is embedded with The upper metal sleeve with internal thread
  • the lower end of the high impact PP insulating rod is embedded with a lower metal sleeve with internal thread
  • the upper screw is connected to the high impact PP insulating rod through the upper metal sleeve
  • the lower screw passes
  • the lower metal kit is connected to a high impact PP insulating rod.
  • the connecting rod is set as a screw, which has a wide application range and high connection strength.
  • the upper metal sleeve with internal thread is arranged in the upper end of the high-impact PP insulating rod to ensure the upper screw and high impact PP.
  • the connection strength of the insulating rod is good.
  • the lower metal part with internal thread is arranged in the lower end of the high impact PP insulating rod to ensure the connection strength of the lower screw and the high impact PP insulating rod.
  • the main body grid is a "well” shaped grid
  • the "well” shaped grid comprises a main beam and a secondary beam
  • the main beam is a C-shaped steel
  • the secondary beam is an angle iron.
  • the secondary beam is fixed to the main beam.
  • the heat insulating strip is a polyurethane foam mat. This material has a good heat insulation effect.
  • a construction method of a cold storage ceiling structure has the following steps:
  • the first layer is sprayed to a thickness of 10 to 15 mm
  • the second layer is sprayed to a thickness of 15 to 25 mm
  • the third layer is sprayed to a thickness of 25 to 35 mm.
  • the thickness of each layer after the layer is 25 ⁇ 35mm until the polyurethane insulation layer is sprayed;
  • a gold-shaped grid is connected between the hanging beam and the main body frame, and the tip end of the gold-shaped grid is connected with the hanging beam, and the big end of the gold-shaped grid is connected with the main body frame. This will increase the strength of the ceiling grid.
  • the main body grid is a "well” shaped grid, and the "well” shaped grid is manufactured by: welding two or more main beams laterally parallel to the hanging beam, and then two or more The secondary beam is longitudinally welded to the main beam.
  • This manufacturing method is simple and efficient.
  • the upper connecting rod is an upper screw
  • the lower connecting rod is a lower screw
  • the insulating rod is a high-impact PP insulating rod; Welding on the main body frame, the connecting steel strip is welded to the lower end of the lower screw, and then, the high impact is
  • the PP insulating rod is threadedly connected to the upper screw, and then the lower screw is connected to the high impact PP insulating rod by screwing. Since the connection between the upper screw and the main body frame is welded, the connection between the connecting steel strip and the lower screw is welded, and the welding temperature is high, and the above-mentioned cold-breaking bridge component treatment method can ensure that the high-impact PP insulating rod is not burnt. Bad. DRAWINGS
  • FIG. 1 is a schematic view of a cold storage ceiling structure of a first embodiment
  • FIG. 2 is a schematic structural view of a ceiling grid of the first embodiment
  • Figure 3 is a cross-sectional view showing the structure of the cold storage ceiling of the first embodiment
  • FIG. 4 is a schematic view of a cold storage ceiling structure of a second embodiment
  • Figure 5 is a schematic structural view of a ceiling grid of the second embodiment
  • Figure 6 is a cross-sectional view showing the structure of the cold storage ceiling of the second embodiment
  • Figure 7 is a schematic view of the structure of the broken bridge. detailed description
  • the cold storage ceiling structure shown in FIG. 1 and FIG. 3 includes a ceiling net frame.
  • the ceiling net frame includes a main body net frame 101 and a lifting beam 102.
  • the main body net frame 101 includes a main beam 103 and a second.
  • the beam 104, the main body frame 101 is a "well"-shaped structure, the main beam 103 is placed horizontally or vertically, the secondary beam 104 is placed longitudinally or laterally, and the main beam is made of C-shaped steel, which can enhance the ceiling net.
  • the strength of the frame, the secondary beam 104 is made of angle steel, which can save material.
  • the angle steel is welded under the C-shaped steel, and the lifting beam 102 is welded on the main beam 103; two or more polyurethanes are placed on the upper surface of the main beam 104.
  • Foam pad 2 a layer of upper color steel plate 3 is laid on the polyurethane foam pad 2;
  • a lower color steel plate 4 is arranged below the main beam 103, and an upper color plate 3 and a lower color plate 4 are disposed between a space gap;
  • a cold-breaking bridge member 5 is disposed between the main body frame 101 and the lower color steel plate 4, and the structure of the cold-breaking bridge member 5 is as shown in FIG.
  • the upper end portion of the impact resistant PP insulating rod 501 is embedded with an upper metal sleeve (not shown) having an internal thread, and a lower metal fitting (not shown) having an internal thread is embedded in the lower end portion of the high impact PP insulating rod 501.
  • the upper part of the upper screw is connected to the main beam 103, and the lower metal part is connected with the lower screw 503; as shown in Fig. 7, the lower screw is connected to the end of the high impact PP insulating rod 501.
  • a connecting steel strip 6 is connected to the connecting steel strip 6 with a plated fitting 8 attached thereto, and the plated fitting 8 is L-shaped, and a threaded hole is drilled in one end portion of the plated fitting 8 away from the lower screw 503; 4 is fixed to the plated fitting 8 by screws; a polyurethane insulation layer 7 is sprayed in the space between the upper color steel plate 3 and the lower color steel plate 4.
  • the construction steps of the cold storage ceiling structure of this structure are:
  • C-shaped steel is the main beam 103 welded laterally or longitudinally on the lifting beam 102, between the main beam 103 The distance is set according to the size of the roof of the cold storage, and then the secondary beam 104, which is an angle iron, is welded longitudinally or laterally on the main beam 103, and the distance between the secondary beams 104 is set according to the size of the area of the cold storage top;
  • the length of the beam 102 is determined according to the shape of the cold storage top; the main body frame 101 is manufactured in a shape similar to that of the cold storage top or made flat.
  • the above color steel plate 3 is sprayed with a layer-by-layer spray polyurethane.
  • the first layer is sprayed to a thickness of 10 to 15 mm
  • the second layer is sprayed to a thickness of 15 to 25 mm
  • the third layer is sprayed to a thickness of 25 to 25 mm.
  • the thickness of each layer after the third layer is 25 ⁇ 35mm until the polyurethane insulation layer is sprayed;
  • the cold storage ceiling structure of this structure since the polyurethane between the upper color steel plate and the lower color steel plate is sprayed, a seamless insulation layer is formed, and a heat insulation strip is arranged between the upper color steel plate and the main body frame.
  • a cold bridge component is arranged between the main grid and the lower color steel plate, so that the cold volume in the cold storage is not easily transmitted outward, and therefore, the heat preservation effect is good; because the ceiling grid structure is adopted, and the main grid is on the upper Between the color steel plate and the lower color steel plate, it is wrapped in the polyurethane insulation layer at the same time, so that the polyurethane insulation layer does not crack due to stress concentration, therefore, the service life of the cold storage ceiling structure is long; due to the upper surface of the cold storage ceiling structure and The lower surface is made of color steel plate.
  • the cold storage ceiling structure is beautiful, safe and fireproof, and meets the requirements of food hygiene standards.
  • the civil construction suspended ceiling needs to be completed after the construction of the vertical column, thereby improving the construction efficiency; since the polyurethane insulation layer adopts a layer-by-layer spraying process, Polyurethane is a seamless insulation layer, therefore, the insulation effect is good; because the column in the library is not provided with a column supporting the cold storage ceiling, and the shape of the cold storage ceiling can be manufactured according to the shape of the cold storage top, therefore, the storage capacity is large;
  • the bridge component since the connection between the upper screw and the main body frame is welded, the connection between the connecting steel strip and the lower screw is welded, and the welding temperature is high, and the above-mentioned cold-breaking bridge component treatment method can ensure high impact PP insulation. The stick is not burnt out.
  • the cold storage ceiling structure shown in FIG. 4 and FIG. 6 includes a ceiling net frame.
  • the ceiling net frame includes a main body net frame 101, a hanging beam 102, and a subsidiary frame 105 of a gold-shaped structure.
  • the grid 101 includes a main beam 103 and a secondary beam 104.
  • the main grid 101 is a "well"-shaped structure.
  • the main beam 103 is welded to the lifting beam 102 in a lateral or longitudinal direction, and the secondary beam 104 is placed in a longitudinal or lateral direction.
  • the main beam is made of C-shaped steel, which can enhance the strength of the ceiling grid.
  • the secondary beam 104 is made of angle steel, which can save material.
  • the angle steel is welded under the C-shaped steel, and the gold-shaped grid 105 is The tip end 1051 is welded to the lifting beam 102, and the large end 1052 is welded to the main body frame 101.
  • the strength of the ceiling net frame can be increased by using the diagonally-drawn gold mesh frame 105; a layer of polyurethane is placed on the upper surface of the main body net frame 101.
  • Foam pad 2 a layer of upper color steel plate 3 is laid on the polyurethane foam pad 2; a lower color steel plate 4 is arranged below the main beam 103, and a space gap is provided between the upper color steel plate 3 and the lower color steel plate 4;
  • a cold bridge member 5 is disposed between the beam 103 and the lower color steel plate 4 Described
  • the structure of the cold bridge member 5 is as shown in FIG. 7, and includes a high-impact PP insulating rod 501 in which an upper metal portion (not shown) having an internal thread is embedded in the upper end portion of the high-impact PP insulating rod 501.
  • the lower end of the punching PP insulating rod 501 is embedded with a lower metal sleeve (not shown) with an internal thread, and the upper metal sleeve is connected with an upper screw 502, and the other end of the upper screw is connected to the main beam 103, and the lower metal sleeve is connected
  • a threaded hole is drilled in one end portion of the plated fitting 8 away from the lower screw 503; the lower color steel plate 4 is fixed to the plated fitting 8 by screws; the space between the upper color steel plate 3 and the lower color steel plate 4
  • the polyurethane insulation layer 7 is sprayed inside.
  • the construction steps of the cold storage ceiling structure of this structure are:
  • C-shaped steel is the main beam 103 welded laterally or longitudinally on the lifting beam 102, between the main beam 103 The distance is set according to the size of the roof of the cold storage, and then the secondary beam 104, which is an angle iron, is welded longitudinally or laterally under the main beam 103, and the distance between the secondary beams 104 is set according to the size of the roof of the cold storage;
  • the length of the beam 102 is determined according to the shape of the roof of the cold storage;
  • the gold-shaped grid 105 is welded to the hanging beam 102 and the main body frame 101;
  • the main body frame 101 is manufactured in a shape similar to that of the cold storage top or made flat.
  • the above color steel plate 3 is sprayed with a layer-by-layer spray polyurethane.
  • the first layer is sprayed to a thickness of 10 to 15 mm
  • the second layer is sprayed to a thickness of 15 to 25 mm
  • the third layer is sprayed to a thickness of 25 to 25 mm.
  • the thickness of each layer after the third layer is 25 ⁇ 35mm until the polyurethane insulation layer is sprayed;
  • the cold storage ceiling structure of this structure since the polyurethane between the upper color steel plate and the lower color steel plate is sprayed, a seamless insulation layer is formed, and a heat insulation strip is arranged between the upper color steel plate and the main body frame.
  • a cold bridge component is arranged between the main grid and the lower color steel plate, so that the cold volume in the cold storage is not easily transmitted outward, and therefore, the heat preservation effect is good; because the ceiling grid structure is adopted, and the main grid is on the upper Between the color steel plate and the lower color steel plate, it is wrapped in the polyurethane insulation layer at the same time, so that the polyurethane insulation layer does not crack due to stress concentration, therefore, the service life of the cold storage ceiling structure is long; due to the upper surface of the cold storage ceiling structure and The lower surface is made of color steel plate.
  • the cold storage ceiling structure is beautiful, safe and fireproof, and meets the requirements of food hygiene standards.
  • the civil construction suspended ceiling needs to be completed after the construction of the vertical column, thereby improving the construction efficiency; since the polyurethane insulation layer adopts a layer-by-layer spraying process, Polyurethane is a seamless insulation layer, therefore, the insulation effect is good; because the column in the library is not provided with a column supporting the cold storage ceiling, and the shape of the cold storage ceiling can be manufactured according to the shape of the cold storage top, therefore, the storage capacity is large;
  • the bridge component since the connection between the upper screw and the main body frame is welded, the connection between the connecting steel strip and the lower screw is welded, and the welding temperature is high, and the above-mentioned cold-breaking bridge component treatment method can ensure high impact PP insulation. The stick is not burnt out.

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Description

一种冷库吊顶结构及其施工方法
技术领域
本发明涉及一种冷库吊顶的结构和吊顶结构的施工方法。
背景技术
在我国的南方地区及北方地区的炎热季节， 由于要延长食品的保存期， 必须创造低温环境来达到目的， 因此， 也促进了冷冻行业的快速发展和对技 术的更新。 在冷冻行业中， 为了进行大批量冷冻产品的储存、 运输和加工， 如进行蔬菜、 水果、 肉类及其他冷冻产品的加工、 储存和运输等， 必须建立 冷库。 随着我国经济的迅猛发展， 冷库在国民生产中的使用已经越来越多。 冷库中的吊顶结构是冷库保温效果好与坏的重要部分， 目前， 冷库吊顶一般 采用冷库板拼接吊顶或者土建的吊顶， 采用冷库板拼接吊顶， 虽然现场施工 较快， 但由于库板之间的接缝处跑冷现象较严重， 因此， 保温效果差， 尤其 不适合应用在库顶面积巨大的大型冷库中； 采用土建结构， 则需要在土建吊 顶下面建筑立柱， 以保证土建吊顶的牢固性和安全性， 这样， 虽然保温效果 好， 但立柱占用了冷库的空间， 使得库容量减小。
发明内容
本发明的第一目的是为了提供一种冷库吊顶结构， 第二目的是为了提供 一种冷库吊顶结构的施工方法，利用本发明的结构，能提高冷库的保温效果， 节能， 增大冷库的库容量， 提高冷库的使用寿命， 利用本发明的施工方法， 能提高施工的效率。
为达到上述的第一目的， 本发明中的冷库吊顶结构包括吊顶网架， 所述 的吊顶网架包括主体网架、 连接主体网架和冷库顶的吊梁； 所述的主体网架 上铺设有上彩钢板， 在上彩钢板和主体网架之间设有隔热条； 所述的主体网 架下方设有下彩钢板； 下彩钢板和主体网架之间设有断冷桥部件； 上彩钢板 和下彩钢板之间设有空间， 空间内喷涂有聚氨酯保温层； 所述的断冷桥部件 包括绝热棒、 连接主体网架和绝缘棒的上连接杆及连接下彩钢板和绝缘棒的 下连接杆。
采用这种结构， 由于在主体网架和上彩钢板之间设置了隔热条， 在上彩 钢板和下彩钢板之间设置了很大程度上起到断冷作用的包括绝热棒的断冷 桥部件， 同时， 在上彩钢板和下彩钢板之间的空间内逐层喷涂了聚氨酯保温 层以形成无接缝的保温层， 因此， 冷库吊顶的保温效果好， 节能效果好； 由 于冷库吊顶结构采用吊顶网架与冷库顶连接， 且主体网架被包裹在上彩钢板 和下彩钢板之间的聚氨酯保温层内， 这样冷库吊顶的结构紧凑、 牢固、 强度 高， 在冷库内不需要支撑柱即可达到强度的使用要求， 因此， 增大了冷库的 库容量； 由于采用了吊顶网架结构， 可避免无接缝的聚氨酯保温层因为应力 集中而产生裂纹， 因此， 冷库吊顶结构的使用寿命长； 由于冷库吊顶的上表 面和下表面采用彩钢板， 因此， 冷库吊顶结构美观， 安全、 防火， 符合食品 卫生标准的要求。
作为改进， 所述的吊顶网架还包括附属网架， 所述的附属网架为金子形 网架，金子形网架的尖端与吊梁连接，金子形网架的大端与主体网架相连接。 采用这种结构， 能增强吊顶网架的强度。
作为改进， 所述的下连接杆下端连接有连接钢带， 连接钢带上设有镀辞 配件， 所述的下彩钢板安装在镀辞配件上。 这样便于下彩钢板的安装。
作为本发明的具体化， 所述的上连接杆为上螺杆， 下连接杆为下螺杆， 所述的绝热棒为高抗沖 PP绝缘棒，所述的高抗沖 PP绝缘棒上端部内镶嵌有 带有内螺纹的上金属套件， 高抗沖 PP绝缘棒下端部内镶嵌有带有内螺纹的 下金属套件， 所述的上螺杆通过上金属套件与高抗沖 PP绝缘棒相连接， 下 螺杆通过下金属套件与高抗沖 PP绝缘棒相连接。 将连接杆设为螺杆， 这种 结构筒单， 适用范围广， 且连接强度高； 在高抗沖 PP绝缘棒上端部内设置 带有内螺纹的上金属套件， 能保证上螺杆和高抗沖 PP绝缘棒的连接强度好， 在高抗沖 PP绝缘棒下端部内设置带有内螺纹的下金属套件， 能保证下螺杆 和高抗沖 PP绝缘棒的连接强度好。
作为本发明的具体化， 所述的主体网架为 "井" 字形网架， "井" 字形 网架包括主梁和次梁， 所述的主梁为 C型钢， 次梁为角铁， 所述的次梁与主 梁固定在一起。 采用 "井" 字形网架， 结构筒单， 制造方便， 主梁采用 C型 钢， 这样能增大主体网架的强度； 将次梁采用角铁， 这样能节约耗材。
作为本发明的具体化， 所述的隔热条为聚氨酯泡沫垫块。 这种材料的隔 热效果好。
为达到上述的第二目的， 一种冷库吊顶结构的施工方法， 其步骤如下：
( 1 )确定吊顶网架的吊点位置， 制造主体网架， 将主体网架与吊梁连 接；
( 2 )在主体网架上放置用聚氨酯泡沫垫块做成的隔热条；
( 3 )在隔热条上表面铺设上彩钢板作为聚氨酯的喷涂基面；
( 4 )处理断冷桥部件： 将上连接杆与主体网架连接， 将连接钢带与下 连接杆的一端连接， 然后， 将绝热棒的一端与上连接杆连接， 下连接杆远离 连接钢带的一端与绝热棒连接；
( 5 )在上彩钢板下表面上逐层喷涂聚氨酯， 第一层的喷涂厚度为 10 ~ 15mm, 第二层的喷涂厚度为 15 ~ 25mm, 第三层的喷涂厚度为 25 ~ 35mm, 第三层之后的每层喷涂厚度为 25 ~ 35mm直到聚氨酯保温层喷完为止；
( 6 ) 清除连接钢带上的聚氨酯泡沫， 将镀辞配件与连接钢带连接， 然 后， 在已经喷好的聚氨酯层上补喷聚氨酯；
( 7 )将下彩钢板安装在镀辞配件上。
采用上述施工方法， 由于施工过程能在连续的施工期完成， 而土建吊顶 则需要在间断的施工期完成， 因此， 能提高施工的效率； 由于聚氨酯保温层 采用逐层喷涂的工艺， 这样， 聚氨酯为一无接缝的保温层， 因此， 保温效果 好。
作为改进， 在所述的吊梁和主体网架之间连接金子形网架， 将金子形网 架的尖端与吊梁连接， 将金子形网架的大端与主体网架连接。 这样能增大吊 顶网架的强度。
作为改进， 所述主体网架为 "井" 字形网架， 所述 "井" 字形网架的制 造方法为： 将两根以上的主梁横向的平行焊接在吊梁上， 然后将两根以上的 次梁纵向的焊接在主梁上。 这种制造方法筒单， 效率高。 作为本发明的具体化， 所述的断冷桥部件处理工作中， 所述的上连接杆 为上螺杆， 下连接杆为下螺杆， 绝热棒为高抗沖 PP绝缘棒； 所述的上螺杆 焊接在主体网架上， 所述的连接钢带与下螺杆的下端焊接， 然后， 将高抗沖
PP 绝缘棒通过螺纹与上螺杆连接， 接着， 将下螺杆通过螺纹连接与高抗沖 PP绝缘棒连接。 由于上螺杆和主体网架之间的连接为焊接，连接钢带与下螺 杆的连接为焊接， 焊接的温度高， 采用上述的断冷桥部件处理方法能保证高 抗沖 PP绝缘棒不被烧坏。 附图说明
图 1为第一实施方式冷库吊顶结构的示意图；
图 2为第一实施方式吊顶网架结构示意图；
图 3为第一实施方式冷库吊顶结构剖视图；
图 4为第二实施方式冷库吊顶结构的示意图；
图 5为第二实施方式吊顶网架结构示意图；
图 6为第二实施方式冷库吊顶结构剖视图；
图 7为断冷桥结构示意图。 具体实施方式
下面结合具体实施方式和附图对本发明做具体的说明
第一实施方式
如图 1和图 3所示的冷库吊顶结构， 包括吊顶网架， 所述的吊顶网架如 图 2所示， 包括主体网架 101及吊梁 102, 主体网架 101包括主梁 103和次 梁 104, 主体网架 101为 "井" 字形结构， 所述的主梁 103为横向或纵向放 置， 次梁 104为纵向或横向放置， 所述的主梁采用 C型钢制造， 这样可以增 强吊顶网架的强度， 次梁 104采用角钢制造， 这样能节约材料， 所述的角钢 焊接在 C型钢下面， 吊梁 102焊接在主梁 103上； 在主梁 104上表面上放置 有两个以上的聚氨酯泡沫垫块 2, 在聚氨酯泡沫垫块 2上铺设有一层上彩钢 板 3; 在主梁 103下方设有下彩钢板 4, 上彩钢板 3和下彩钢板 4之间设有 空间间隙； 在主体网架 101和下彩钢板 4之间设有断冷桥部件 5 , 所述的断 冷桥部件 5的结构如图 7所示， 包括高抗沖 PP绝缘棒 501 , 在高抗沖 PP绝 缘棒 501的上端部内镶嵌有带内螺纹的上金属套件（未示出） , 在高抗沖 PP 绝缘棒 501下端部内镶嵌有带内螺纹的下金属套件（未示出） ， 上金属套件 上连接有上螺杆 502, 上螺杆的另一端连接在主梁 103上， 下金属套件上连 接有下螺杆 503; 如图 7, 所述下螺杆远离高抗沖 PP绝缘棒 501的一端连接 有连接钢带 6, 连接钢带 6上连接有镀辞配件 8, 镀辞配件 8为 L形， 在镀 辞配件 8远离下螺杆 503的一端部上钻有螺纹孔； 所述的下彩钢板 4通过螺 釘固定在镀辞配件 8上； 在上彩钢板 3和下彩钢板 4之间的空间内喷涂有聚 氨酯保温层 7。
这种结构的冷库吊顶结构的施工步骤为：
I、 确定吊顶网架的吊点位置， 制造 "井" 字形主体网架 101 , 其方法 为： 将为 C型钢是主梁 103横向或纵向平行焊接在吊梁 102上， 主梁 103之 间的距离根据冷库顶的面积大小来设置， 然后将为角铁的次梁 104纵向或横 向的焊接在主梁 103上， 同样次梁 104之间的距离根据冷库顶的面积大小来 设置； 所述吊梁 102是长短根据冷库顶的形状来确定； 所述的主体网架 101 制造成与冷库顶相似的形状或制造成平面。
II、 在主梁 103上设置两个以上的用聚氨酯泡沫垫块做成的隔热条 2;
III、 在隔热层 2上表面铺设上彩钢板 3作为聚氨酯的喷涂基面；
IV、 制造断冷桥部件 5, 其步骤为： 将上螺杆 502焊接在主体网架 101 上， 将连接钢带 6与下螺杆 503的下端焊接， 然后， 将高抗沖 PP绝缘棒 501 通过螺纹与上螺杆 502连接， 接着， 将下螺杆 503通过螺纹与高抗沖 PP绝 缘棒 501连接；
V、 以上彩钢板 3为喷涂基面逐层喷涂聚氨酯， 在喷涂聚氨酯时， 第一 层的喷涂厚度为 10 ~ 15mm, 第二层的喷涂厚度为 15 ~ 25mm, 第三层的喷 涂厚度为 25 ~ 35mm, 第三层之后的每层喷涂厚度为 25 ~ 35mm直到聚氨酯 保温层喷完为止；
VI、 去除连接钢带 6下端的聚氨酯材料， 将镀辞配件 8采用螺釘连接在 连接钢带 6上； VII、 将下彩钢板 4通过螺釘安装在镀辞配件 8上。
采用这种结构的冷库吊顶结构， 由于上彩钢板和下彩钢板之间的聚氨酯 采用喷涂工艺， 形成了无接缝的保温层， 且在上彩钢板和主体网架之间设置 了隔热条， 在主体网架和下彩钢板之间设置了断冷桥部件， 这样， 冷库中的 冷量不易向外传递， 因此， 保温效果好； 由于采用了吊顶网架结构， 且主体 网架处在上彩钢板和下彩钢板之间， 同时被包裹在聚氨酯保温层内， 这样， 聚氨酯保温层不会因为应力集中而发生裂纹， 因此， 冷库吊顶结构的使用寿 命长； 由于冷库吊顶结构的上表面和下表面采用了彩钢板， 因此， 冷库吊顶 结构美观， 安全、 防火， 符合食品卫生标准的要求。 采用上述施工方法， 由 于施工过程能在连续的施工期完成， 而土建吊顶则需要在建筑好立柱后才能 完成， 因此， 能提高施工的效率； 由于聚氨酯保温层采用逐层喷涂的工艺， 这样， 聚氨酯为一无接缝的保温层， 因此， 保温效果好； 由于库体内未设置 支撑冷库吊顶的立柱， 且冷库吊顶的形状能按照冷库顶的形状制造， 因此， 库容量大；在处理断冷桥部件时，由于上螺杆和主体网架之间的连接为焊接， 连接钢带与下螺杆的连接为焊接， 焊接的温度高， 采用上述的断冷桥部件处 理方法能保证高抗沖 PP绝缘棒不被烧坏。
第二实施方式
如图 4和图 6所示的冷库吊顶结构， 包括吊顶网架， 所述的吊顶网架如 图 5所示， 包括主体网架 101、 吊梁 102及金子形结构的附属网架 105 , 主 体网架 101包括主梁 103和次梁 104, 主体网架 101为 "井" 字形结构， 所 述的主梁 103为横向或纵向的焊接在吊梁 102上， 次梁 104为纵向或横向放 置， 所述的主梁采用 C型钢制造， 这样可以增强吊顶网架的强度， 次梁 104 采用角钢制造， 这样能节约材料， 所述的角钢焊接在 C型钢的下面， 所述金 子形网架 105的尖端 1051焊接在吊梁 102上，大端 1052焊接在主体网架 101 上， 采用斜拉式金子形网架 105能增大吊顶网架的强度； 在主体网架 101上 表面上放置有一层聚氨酯泡沫垫块 2, 在聚氨酯泡沫垫块 2上铺设有一层上 彩钢板 3; 在主梁 103下方设有下彩钢板 4, 上彩钢板 3和下彩钢板 4之间 设有空间间隙； 在主梁 103和下彩钢板 4之间设有断冷桥部件 5 , 所述的断 冷桥部件 5的结构如图 7所示， 包括高抗沖 PP绝缘棒 501 , 在高抗沖 PP绝 缘棒 501的上端部内镶嵌有带内螺纹的上金属套件（未示出） , 在高抗沖 PP 绝缘棒 501下端部内镶嵌有带内螺纹的下金属套件（未示出） ， 上金属套件 上连接有上螺杆 502, 上螺杆的另一端连接在主梁 103上， 下金属套件上连 接有下螺杆 503; 如图 7, 所述下螺杆远离高抗沖 PP绝缘棒 501的一端连接 有连接钢带 6, 连接钢带 6上连接有镀辞配件 8, 所述镀辞配件 8为 L形， 在镀辞配件 8远离下螺杆 503的一端部上钻有螺纹孔； 所述的下彩钢板 4通 过螺釘固定在镀辞配件 8上； 在上彩钢板 3和下彩钢板 4之间的空间内喷涂 有聚氨酯保温层 7。
这种结构的冷库吊顶结构的施工步骤为：
I、 确定吊顶网架的吊点位置， 制造 "井" 字形主体网架 101 , 其方法 为： 将为 C型钢是主梁 103横向或纵向平行焊接在吊梁 102上， 主梁 103之 间的距离根据冷库顶的面积大小来设置， 然后将为角铁的次梁 104纵向或横 向的焊接在主梁 103下面， 同样次梁 104之间的距离根据冷库顶的面积大小 来设置； 所述吊梁 102是长短根据冷库顶的形状来确定； 将金子形网架 105 焊接在吊梁 102和主体网架 101上； 所述的主体网架 101制造成与冷库顶相 似的形状或制造成平面。
II、 在主梁 103上设置两个以上的用聚氨酯泡沫垫块做成的隔热条 2;
III、 在隔热条 2上表面铺设上彩钢板 3作为聚氨酯的喷涂基面；
IV、 制造断冷桥部件 5, 其步骤为： 将上螺杆 502焊接在主体网架 101 上， 将连接钢带 6与下螺杆 503的下端焊接， 然后， 将高抗沖 PP绝缘棒 501 通过螺纹与上螺杆 502连接， 接着， 将下螺杆 503通过螺纹与高抗沖 PP绝 缘棒 501连接；
V、 以上彩钢板 3为喷涂基面逐层喷涂聚氨酯， 在喷涂聚氨酯时， 第一 层的喷涂厚度为 10 ~ 15mm, 第二层的喷涂厚度为 15 ~ 25mm, 第三层的喷 涂厚度为 25 ~ 35mm, 第三层之后的每层喷涂厚度为 25 ~ 35mm直到聚氨酯 保温层喷完为止；
VI、 去除连接钢带 6下端的聚氨酯材料， 将镀辞配件 8采用螺釘连接在 连接钢带 6上； VII、 将下彩钢板 4通过螺釘安装在镀辞配件 8上。
采用这种结构的冷库吊顶结构， 由于上彩钢板和下彩钢板之间的聚氨酯 采用喷涂工艺， 形成了无接缝的保温层， 且在上彩钢板和主体网架之间设置 了隔热条， 在主体网架和下彩钢板之间设置了断冷桥部件， 这样， 冷库中的 冷量不易向外传递， 因此， 保温效果好； 由于采用了吊顶网架结构， 且主体 网架处在上彩钢板和下彩钢板之间， 同时被包裹在聚氨酯保温层内， 这样， 聚氨酯保温层不会因为应力集中而发生裂纹， 因此， 冷库吊顶结构的使用寿 命长； 由于冷库吊顶结构的上表面和下表面采用了彩钢板， 因此， 冷库吊顶 结构美观， 安全、 防火， 符合食品卫生标准的要求。 采用上述施工方法， 由 于施工过程能在连续的施工期完成， 而土建吊顶则需要在建筑好立柱后才能 完成， 因此， 能提高施工的效率； 由于聚氨酯保温层采用逐层喷涂的工艺， 这样， 聚氨酯为一无接缝的保温层， 因此， 保温效果好； 由于库体内未设置 支撑冷库吊顶的立柱， 且冷库吊顶的形状能按照冷库顶的形状制造， 因此， 库容量大；在处理断冷桥部件时，由于上螺杆和主体网架之间的连接为焊接， 连接钢带与下螺杆的连接为焊接， 焊接的温度高， 采用上述的断冷桥部件处 理方法能保证高抗沖 PP绝缘棒不被烧坏。

Claims

权 利 要 求 书
1、 一种冷库吊顶结构， 包括吊顶网架， 所述的吊顶网架包括主体网 架、 连接主体网架和冷库顶的吊梁； 其特征在于： 所述的主体网架上铺设有 上彩钢板， 在上彩钢板和主体网架之间设有隔热条； 所述的主体网架下方设 有下彩钢板； 下彩钢板和主体网架之间设有断冷桥部件； 上彩钢板和下彩钢 板之间设有空间， 空间内喷涂有聚氨酯保温层； 所述的断冷桥部件包括绝热 棒、 连接主体网架和绝热棒的上连接杆及连接下彩钢板和绝热棒的下连接 杆。
2、 根据权利要求 1所述的冷库吊顶结构， 其特征在于： 所述的吊顶 网架还包括附属网架， 所述的附属网架为金子形网架， 金子形网架的尖端与 吊梁连接， 金子形网架的大端与主体网架相连接。
3、 根据权利要求 1所述的冷库吊顶结构， 其特征在于： 所述的下连 接杆下端连接有连接钢带， 连接钢带上设有镀辞配件， 所述的下彩钢板安装 在镀辞配件上。
4、 根据权利要求 3所述的冷库吊顶结构， 其特征在于： 所述的上连 接杆为上螺杆， 下连接杆为下螺杆， 所述的绝热棒为高抗沖 PP绝缘棒， 所 述的高抗沖 PP绝缘棒上端部内镶嵌有带有内螺纹的上金属套件， 高抗沖 PP 绝缘棒下端部内镶嵌有带有内螺纹的下金属套件， 所述的上螺杆通过上金属 套件与高抗沖 PP绝缘棒相连接，下螺杆通过下金属套件与高抗沖 PP绝缘棒 相连接。
5、 根据权利要求 1所述的冷库吊顶结构， 其特征在于： 所述的主体 网架为 "井" 字形网架， "井" 字形网架包括主梁和次梁， 所述的主梁为 C 型钢， 次梁为角铁， 所述的次梁与主梁固定在一起。
6、 根据权利要求 1所述的冷库吊顶结构， 其特征在于： 所述的隔热 条为聚氨酯泡沫垫块。
7、 一种冷库吊顶结构的施工方法， 其特征在于： 步骤如下：
( 1 )确定吊顶网架的吊点位置， 制造主体网架， 将主体网架与吊梁连 接；
( 2 )在主体网架上放置用聚氨酯泡沫垫块做成的隔热条；
( 3 )在隔热条上表面铺设上彩钢板作为聚氨酯的喷涂基面；
( 4 )处理断冷桥部件， 将上连接杆与主体网架连接， 将连接钢带与下 连接杆的一端连接， 然后， 将绝热棒的一端与上连接杆连接， 下连接杆远离 连接钢带的一端与绝热棒连接；
( 5 )在上彩钢板下表面上逐层喷涂聚氨酯， 第一层的喷涂厚度为 10 ~ 15mm, 第二层的喷涂厚度为 15 ~ 25mm, 第三层的喷涂厚度为 25 ~ 35mm, 第三层之后的每层喷涂厚度为 25 ~ 35mm直到聚氨酯保温层喷完为止；
( 6 ) 清除连接钢带上的聚氨酯泡沫， 将镀辞配件与连接钢带连接， 然 后， 在已经喷好的聚氨酯层上补喷聚氨酯；
( 7 )将下彩钢板安装在镀辞配件上。
8、 根据权利要求 7所述的冷库吊顶结构的施工方法， 其特征在于： 在所述的吊梁和主体网架之间连接金子形网架， 将金子形网架的尖端与吊梁 连接， 将金子形网架的大端与主体网架连接。
9、 根据权利要求 8所述的冷库吊顶结构的施工方法， 其特征在于： 所述主体网架为 "井" 字形网架， 所述 "井" 字形网架的制造方法为： 将两 根以上的主梁横向的平行焊接在吊梁上， 然后将两根以上的次梁纵向的焊接 在主梁上。
10、 根据权利要求 7所述的冷库吊顶结构的施工方法， 其特征在于： 所述的断冷桥部件处理工作中， 所述的上连接杆为上螺杆， 下连接杆为下螺 杆， 绝热棒为高抗沖 PP绝缘棒； 所述的上螺杆焊接在主体网架上， 所述的 连接钢带与下螺杆的下端焊接， 然后， 将高抗沖 PP绝缘棒通过螺纹与上螺 杆连接， 接着， 将下螺杆通过螺纹连接与高抗沖 PP绝缘棒连接。
PCT/CN2010/071424 2009-04-03 2010-03-30 一种冷库吊顶结构及其施工方法 WO2010111943A1 (zh)

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