CN206279651U - Assembled cast-in-place concrete external heat insulating wall steel skeleton template system and connector - Google Patents

Abstract

The utility model provides an assembled cast-in-place concrete external thermal insulation wall steel skeleton formwork system and connectors, including thermal insulation layer, thin plastering protective layer, connecting bolts, trusses, horizontal steel bars, door and window frames and other building parts. Each thermal insulation module (board) is combined into an thermal insulation layer through tongue-and-groove insertion, and is fixed on one side of the rigid truss through connectors. The connecting parts include bolts, nuts, gaskets and positioning discs, the positioning discs are sleeved on the bolts, and the front ends of the screws or bolts have threads connected to one side of the truss. The utility model can assemble the building parts on the ground and hoist them as a whole. The truss can also replace a part of the steel bar of the load-bearing wall; Vertical steel connection. Then the non-removable cement board is fixed on the truss through screws or bolts to form a system, and the concrete of the load-bearing wall is poured in the cavity of the system, so that the system and the concrete of the load-bearing wall are integrated to form an external thermal insulation concrete composite wall . The utility model can make the construction process of the energy-saving building external thermal insulation composite wall simple and convenient, and has strong ease of construction, can greatly improve the overall construction speed and labor efficiency of the energy-saving building, reduce construction safety risks, effectively improve construction precision, and ensure project quality. Provide technical support for construction industrialization.

Description

Prefabricated cast-in-place concrete external insulation wall steel skeleton formwork system and connectors

technical field

The utility model relates to building materials, in particular to a complete set of technology for building energy-saving buildings by combining thermal insulation materials, wall structures and construction techniques.

Background technique

Insulation modules (boards) have been widely used in the insulation of building walls. The usual way of use is to paste the insulation modules (boards) on the outer surface of the wall that has been constructed to form an insulation layer, or to use insulation modules (boards) ) to form a formwork, and then pour concrete, so that the thermal insulation module (board) and concrete are integrated to form an external thermal insulation wall. However, the thermal insulation modules (boards) have to be spliced on site, and the on-site construction material loss is large, and the ease of construction is poor, resulting in low overall construction speed of energy-saving buildings, long construction period, and high construction costs.

During the 13th Five-Year Plan period, the country vigorously promotes prefabricated buildings, but there are very few prefabricated component production bases that supply prefabricated buildings. Compared with developed countries, the technical strength and level are still in the initial stage, and they are far from being able to fully enter the construction market. demand.

Contents of the invention

The purpose of the utility model is to provide an assembled cast-in-place concrete external thermal insulation wall steel skeleton formwork system which is easy to use and is beneficial to improving the construction progress and quality of energy-saving buildings. The purpose of this utility model is also to provide an assembled cast-in-place concrete external thermal insulation wall steel skeleton formwork system (hereinafter referred to as the system) and special connectors. It will play a supporting role in realizing the industrialization of construction, the assembly of construction sites, and the optimization of the structure of the construction industry.

The utility model includes a thermal insulation layer and a thin plastering protective surface layer, as well as a truss and connectors, and each thermal insulation module (board) is fixed on one side of the truss through the connectors.

The utility model can also include:

1. The truss is composed of two parallel angle steels and strip steel connected to the two parallel angle steels.

2. The connecting piece includes a bolt and a positioning plate. The bolt is fixed on one side of the truss after passing through the thermal insulation module (plate), and the positioning plate is pressed against the outer side of the thermal insulation module (plate).

3. The insulation layer is composed of a plurality of insulation modules (boards) that are tongue-and-groove inserted and assembled.

4. The thin plastering protective surface layer is laid horizontally on the outside of the insulation layer, and then a decorative surface layer is added.

5. Bind horizontal steel bars on the other side of the truss, and fix the cement board or support formwork with screws or bolts, and set lifting rings on the truss.

6. Fix the doors and windows on the truss of the system by bolts.

7. Through 1-6, form a system.

The special connector of the utility model includes a bolt and a positioning plate, the front end of the bolt has a thread connected with the truss, and the thread part of the bolt is anchored in the concrete wall.

The thermal insulation module (board) of the utility model is fixed on one side of the truss through a connector, and multiple thermal insulation modules (boards) are inserted and assembled with each other to form a thermal insulation layer, and the thermal insulation layer is connected with the truss to form an external thermal insulation wall template. The system can be assembled on the ground and hoisted as a whole. The trusses in it can also replace the steel bars of the load-bearing wall. After the concrete pouring of the load-bearing wall is completed, the system is integrated with the concrete to form a concrete composite wall with an external insulation layer.

The utility model can make the construction procedure of the external thermal insulation wall body of the energy-saving building simple and convenient, and can greatly improve the overall construction speed. At the same time, the thermal insulation module (board) is fixed on one side of the rigid truss in advance, and the truss plays a good role in supporting and protecting the thermal insulation module (board). The outer side of the thermal insulation module (board) is protected with a thin protective surface layer of plaster on the ground, and the finishing layer is pasted and brushed, so that the thermal insulation layer and the decorative layer are constructed on the ground at one time, and the door and window frames are fixed to the truss on the ground with screws or bolts In terms of efficiency, it is more conducive to reducing the difficulty of construction, increasing the speed of construction, and ensuring the overall construction quality of energy-saving buildings. Set sealant grooves around the thin plastering protective layer and the finishing layer. After the construction of the load-bearing concrete wall is completed, fill the sealant grooves with sealant, which can improve the aesthetic effect of the outer wall and waterproof.

Description of drawings

Figure 1 is a schematic diagram of the rear facade structure of the system composed of multi-pin angle steel trusses (when no demolition-free cement board or formwork is installed).

Figure 2 is a schematic diagram of the facade structure of the system composed of multi-product angle steel trusses.

Fig. 3 is a schematic horizontal cross-sectional view of the system composed of multi-product angle steel trusses.

Figure 4 is a vertical section view of the system composed of multi-product angle steel trusses.

Figure 5 is a schematic diagram of the steel skeleton structure of the system composed of multi-product angle steel trusses connected through horizontal steel bars.

Fig. 6 is a schematic diagram of a truss structure composed of angle steel and strip steel.

Figure 7 is a partially enlarged schematic diagram of a system composed of multi-product angle steel trusses.

Fig. 8 is a schematic diagram of the structure of the connectors of the system.

Figure 9 is a schematic diagram of the rear facade structure of the system combined with multi-porous C-shaped steel trusses (when no demolition-free cement board or formwork is installed).

Figure 10 is a schematic diagram of the front structure of the system composed of multi-hole porous C-shaped steel trusses.

Figure 11 is a horizontal cross-sectional view of the system composed of Duopin porous C-shaped steel trusses.

Figure 12 is a vertical cross-sectional view of the system composed of Duopin porous C-shaped steel trusses.

Figure 13 is a schematic diagram of the system steel skeleton structure composed of multi-hole porous C-shaped steel trusses through horizontal steel bars.

Fig. 14 is a schematic diagram of the structure of a porous C-shaped steel truss.

Figure 15 is a partially enlarged schematic diagram of the system composed of Duopin porous C-shaped steel trusses. .

detailed description

Below example the utility model is described in more detail.

With reference to Figures 1 to 8, the first embodiment of the present utility model includes a thermal insulation layer 1, which is composed of thermal insulation modules (boards) tongue-and-groove inserted and assembled, and each thermal insulation module (board) is fixed by a connector 2 On the angle steel truss 4 side. A thin plastering protection layer 3 is arranged outside the insulation layer, and a sealant groove 17 is arranged on the edge of the protection layer. There are cutouts 18 overlapping each other on the sides of the thermal insulation module (board). The other side of the angle steel truss is fixedly installed with screws or bolts 20 without removing the cement board or support formwork 21 to form the cavity of the concrete load-bearing wall. The angle steel truss described in the utility model is composed of two parallel angle steels 6, 7 and a strip steel 8 connected between the two parallel angle steels. The steel skeleton described in the utility model is formed by connecting and combining multi-product angle steel trusses and horizontal steel bars 9.

With reference to Fig. 8 ~ Fig. 15, the second embodiment of the present utility model includes a thermal insulation layer 1, said thermal insulation layer is composed of thermal insulation modules (boards) tongue-and-groove inserted and assembled, and each thermal insulation module (board) is fixed by connector 2 On one side of the porous C-shaped steel truss 4. A thin plastering protection layer 3 is arranged outside the insulation layer, and a sealant groove 17 is arranged on the edge of the protection layer. There are cutouts 18 overlapping each other on the sides of the thermal insulation module (board). The other side of the porous C-shaped steel truss is fixedly installed with screws or bolts 20 without removing the cement board or support formwork 21 to form a cavity in the concrete load-bearing wall. The porous C-shaped steel truss 4 described in the utility model is made of C-shaped steel. The steel skeleton described in the utility model is formed by connecting and combining multi-product porous C-shaped steel trusses and horizontal steel bars 9.

With reference to Figure 8, the connector of the present invention includes a connecting bolt rod 12, a nut 15, a gasket 16, and a positioning plate 13. The front end of the connecting bolt has a thread 14 connected and fixed to the truss, and the bolt passes through the heat preservation module ( plate) and the truss, fix the thermal insulation module (plate) on one side of the truss, and press the inner side of the positioning plate to the outer side of the thermal insulation module (plate).

Referring to Fig. 2 and Fig. 10, the two implementations of the utility model are provided with hoisting rings on the truss.

With reference to Figure 3 and Figure 11, the third embodiment of the present utility model is based on the first or second embodiment, on the other side of the truss through fixing nails or bolts 20 to install non-detachable cement board or support formwork 21. The thread at the front end of the fixing nail or bolt 20 is anchored in the concrete wall; when the formwork is used for support, the thread at the front end of the bolt faces outwards to fix the formwork and facilitate the removal of the formwork.

With reference to Fig. 1 and Fig. 9, the utility model can pre-install the door and window frame 19 on the steel frame on the ground as required.

Claims (5)

1. a kind of assembled cast-in-place concrete external heat insulating wall steel skeleton template system, mainly by thin-coat plaster overcoat, heat-insulation layer, Connector, truss, horizontal reinforcement, exempt to tear open cement plate or template composition, it is characterized in that：The heat-insulation layer is looked forward to by heat preservation module or plate Mouth inlaying grafting assembly composition, heat-insulation layer is fixed on steel skeleton side, thin-coat plaster overcoat is laid on the outside of heat-insulation layer by connector Protective layer is formed with stickup or brushing finish coat, sealed adhesive slot is set at protective layer edge.

2. assembled cast-in-place concrete external heat insulating wall steel skeleton template system according to claim 1, it is characterized in that：Steel Skeleton is connected by horizontal reinforcement by many product truss and constituted.

3. assembled cast-in-place concrete external heat insulating wall steel skeleton template system according to claim 1, it is characterized in that：Purlin Frame is the truss of angle steel for being made up of porous C shaped steel or being made up of two parallel angle steel and connect band steel, and is set on truss There is hoisting ring.

4. assembled cast-in-place concrete external heat insulating wall steel skeleton template system according to claim 1, it is characterized in that：Even Fitting includes that tap bolt and positioning disk, tap bolt are fixed on truss side after passing through heat-insulation layer, tap bolt Screw thread is anchored in concrete walls body, and positioning disk is overlayed in the outside of heat-insulation layer.

5. the assembled cast-in-place concrete external heat insulating wall steel skeleton template system according to claim 1 ~ 4 any one, It is characterized in that：Penetrate truss and fix in the opposite side screw of steel skeleton and exempt to tear cement plate open or be bolted support template.