CN216340497U - ALC roof boarding connected node structure - Google Patents

Abstract

The utility model discloses an ALC roof panel connecting node structure, which is used for solving the problems of easiness in cracking, hollowing and loosening of mortar, complex process, high cost and the like existing in the ALC roof of the L combined groove type at present. According to the scheme, the plate type of the ALC roof panel is selected, the hook bolt and the pressing plate node are optimized, the construction process and related steps are adjusted according to the structure of the connecting node, the fireproof performance is improved well, the pressing plate is directly pressed between two roof panels, the method is simple, direct and practical, and the phenomenon that the seam hollows and cracks under the external load effect of the roof panel is avoided.

Description

ALC roof boarding connected node structure

Technical Field

The utility model relates to the technical field of prefabricated building, in particular to an ALC roof panel connecting node structure.

Background

With the increasing national requirements on energy conservation and environmental protection of the building industry and the increasing rate of assembly prefabrication, a large number of industrial buildings, particularly building groups with higher fire protection requirements, adopt ALC (autoclaved lightweight aerated concrete) boards as partition walls, outer walls, roof boards and floor slabs of buildings. In order to better meet the use effect of customers and simultaneously comply with the scientific development requirements of the assembly type building era, original construction nodes of ALC roof panels and floor slabs need to be analyzed and researched, and the ALC roof panels and the floor slabs are successfully applied to the assembly type field through practice so as to obtain better effect.

When an original ALC roof boarding is an L-shaped combination trough roof boarding, in a traditional ALC roof boarding installation method, roof boarding seams shown in an ALC structural detail diagram (an L-shaped combination trough roof boarding 91 is shown in an attached drawing 1 and an attached drawing 2) are naturally closed, 1 reinforcing steel bar hook or reinforcing plate penetrating is welded at a board corner junction, for example, a reinforcing steel bar 92 with the length of 1 meter and the diameter of 8 (the two ends are 500mm long respectively) penetrates into a circle of the reinforcing steel bar hook 93, one end of the reinforcing steel bar hook 93 is welded on an angle steel 94, the schematic matching relation between the reinforcing steel bar 92, the reinforcing steel bar hook 93 and the angle steel 94 is shown in an attached drawing 4, an attached drawing 5 and an attached drawing 6, and then 1 is used: 3, filling the joint with cement mortar 95 to solidify the mortar on the steel bars to control the displacement of the roof panel caused by vibration; in the process of implementing the utility model, the inventor finds that the ALC roof boarding of the existing L-shaped combined trough roof has at least the following disadvantages when being installed:

1. the seal of the L-shaped combined slot roof is a straight seam, the fireproof performance is common, and the cement and mortar poured in the seam are easy to crack, hollowly and loose, so that the heat insulation performance and the fireproof performance of the ALC board are reduced;

2. more cement mortar is required to be used for joint filling, the process is complex and tedious, the labor cost is high, and the economical efficiency is not good enough.

In view of this, how to solve the problems that mortar is easy to crack, hollowing and loosen, the process is complex, the cost is high and the like existing in the ALC roof of the L-combined trough type at present becomes a subject to be researched and solved by the utility model.

Disclosure of Invention

The utility model provides an ALC roof panel connection node structure, and aims to solve the problems that mortar is easy to crack, hollowly and loosen, the process is complex, the cost is high and the like in an existing ALC roof of an L-shaped combined groove type.

In order to achieve the purpose, the utility model provides an ALC roof boarding connecting node structure, which is used for mounting and fixing ALC roof boarding between adjacent roof boarding, the bottom of the ALC roof boarding is fixedly mounted on a roof girder, and the ALC roof boarding connecting node structure is characterized in that:

the ALC roof panels are provided with a male groove and a female groove which are used for matching connection, splicing seams between two adjacent ALC roof panels are arranged on the upper surfaces of the adjacent ALC roof panels after splicing and assembling, the bottom surfaces of the splicing seams are positioned above the male groove, and a plurality of mounting grooves are formed in the splicing seams along the length direction of the splicing seams;

the connecting node structure comprises a pressure plate, a hook head bolt and an adhering part; wherein the content of the first and second substances,

the pressing plate is of a sheet structure and is arranged in the mounting groove of the splicing seam, the pressing plate is provided with a lower surface used for abutting against the bottom surface of the splicing seam and an upper surface used for being matched and connected with the hook bolt, and the center of the pressing plate is provided with a center hole for the hook bolt to pass through;

the hook bolt comprises a bolt body part and a hook head part, the bolt body part is a rod body, a thread acting part is arranged at the lower end of the rod body, the hook head part is arranged at the upper end of the rod body and is perpendicular to the rod body, the bolt body part penetrates through the pressing plate and then enters the joint between two adjacent ALC roof panels, and the hook head part abuts against the upper surface of the pressing plate;

the space except the pressure plate and the hook head bolt in the splicing seam is a seam filling space, and the seam filling space is filled with an adhesive part.

The utility model is explained below:

1. through the implementation of the technical scheme, the fire resistance is better improved by selecting the plate type of the ALC roof panel, optimizing the hook bolt and the pressing plate node and adjusting the construction process and related steps according to the structure of the connecting node, the pressing plate is directly pressed between two roof panels, the roof panel is simpler, more practical and avoids the phenomenon of crack hollowing and cracking of the slab joint under the action of external load.

2. In the technical scheme, the ALC roof panels are provided with long sides and short sides, and 1 mounting groove is formed in a splicing seam between the short sides of two adjacent ALC roof panels; the number of the pressing plates corresponds to the number of the mounting grooves one to one; through the arrangement, the structural strength of the ALC roof panel is high after the ALC roof panel is integrally installed, and the construction requirements and the use design requirements are met.

3. In the technical scheme, the mounting groove is a square groove, the pressing plate is a square plate, the pressing plate is made of a galvanized plate with the thickness of 4mm, and the galvanized plate is 100mm in length and 50mm in width; the strength is high enough, the manufacture is easy, and the use and the installation are convenient.

4. In the technical scheme, the length of the thread action part of the hook bolt is 40mm, the length of the hook part of the hook bolt is 40mm, and the overall length of the hook bolt is smaller than the thickness of the ALC roof plate; through above setting, can let the gib head bolt firmly must with ALC roof boarding and clamp plate fastening fit, the distance that passes ALC roof boarding thickness part is suitable, the length of screw thread effect portion is suitable, and the length that leans on the gib head part of clamp plate upper surface is also suitable, just matches with concatenation seam, the size specification of clamp plate.

5. In the utility model, the plate type of the ALC roof boarding with the structure is defined as a TU-shaped roof boarding, wherein the ALC roof boarding is provided with a male slot and a female slot which are used for matching and connecting, the upper surface of the ALC roof boarding after the adjacent ALC roof boarding is spliced and assembled is provided with a splicing seam which is positioned between the two adjacent ALC roof boarding, the bottom surface of the splicing seam is positioned above the male slot, and the splicing seam is provided with a mounting slot along the length direction.

6. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, coupled between two elements, or coupled in any other manner that does not materially affect the operation of the device, unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

7. In the present invention, the terms "center", "upper", "lower", "axial", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional arrangements shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

8. Furthermore, the terms "first", "second", etc. 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 at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Due to the application of the scheme, compared with the prior art, the utility model has the following advantages and effects:

1. the fireproof performance is that the joint of the L-shaped combined roof boarding has no middle TU turn, and the joint is a straight joint which has no fireproof performance as compared with the TU roof boarding;

2. construction is rapid, the L-shaped combined roof panel is complex and tedious in process, more cement mortar is needed for filling joints, and the TU-shaped roof panel joints are filled by adopting a pointing agent quickly;

3. the quality is good, the cement mortar joint filling is easy to crack and bulge, and the special jointing agent has high bonding strength and is not easy to crack;

4. the economy, L combination type roof boarding crack filling machinery and cost of labor are far higher than the cost of TU type roof boarding.

Drawings

FIG. 1 is a schematic view of an L-shaped combination trough roof panel in the prior art;

FIG. 2 is a schematic diagram of a roof reinforcement node in the prior art;

FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic diagram i showing a fitting relationship between a reinforcement bar 92, a reinforcement hook 93 and an angle iron 94 in the prior art;

fig. 5 is a schematic diagram of a second matching relationship among the steel bars 92, the steel bar hooks 93 and the angle iron 94 in the prior art;

fig. 6 is a schematic view illustrating welding of a rebar hook 93 and an angle iron 94 in the prior art;

FIG. 7 is a schematic structural diagram of an ALC roof boarding in an embodiment of the present invention;

FIG. 8 is an overall structure schematic diagram of an ALC roof boarding connection node structure according to an embodiment of the present invention;

FIG. 9 is a schematic sectional view taken along line B-B of FIG. 8;

FIG. 10 is a schematic structural view of a hook bolt in an ALC roof panel connection node structure according to an embodiment of the present invention;

FIG. 11 is a schematic top view of a pressing plate in an ALC roof panel connection node structure according to an embodiment of the present invention;

fig. 12 is a schematic side view of a pressing plate in an ALC roof panel connection node structure according to an embodiment of the utility model.

The drawings are shown in the following parts:

1. ALC roof boarding; 11. a male slot; 12. a mother tank; 101. splicing seams; 102. mounting grooves;

2. pressing a plate; 21. an upper surface; 22. a lower surface; 23. a central bore;

3. a hook bolt; 31. a plug body portion; 311. a screw action portion; 32. a hook head portion;

4. an adhesive portion;

8. a roof girder;

91. an L-shaped combined trough roof panel; 92 reinforcing steel bars; 93. a steel bar hook; 94. angle steel; 95. and (3) cement mortar.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below. The arrow in the attached figures 2, 3, 8 and 9 indicates the direction of the roof slope, and the roof girder 8 needs to be structurally found.

As shown in fig. 7 to 12, the ALC roof panel connection node structure provided by the embodiment of the present invention is used for mounting and fixing ALC roof panels 1 between adjacent ALC roof panels 1, and the bottom of ALC roof panels 1 is fixedly mounted on a roof girder 8, as shown in fig. 7, the ALC roof panels 1 have male grooves 11 and female grooves 12 for matching and connecting (the male grooves 11 are convex portions, the female grooves 12 are concave portions, and a plurality of ALC roof panels 1 are spliced together by matching of the male grooves 11 and the female grooves 12), after being spliced and assembled, the ALC roof panels 1 have splicing seams 101 between two adjacent ALC roof panels 1 on the upper surfaces 21, the bottom surfaces of the splicing seams 101 are located above the male grooves 11, and the splicing seams 101 are provided with mounting grooves 102 along the length direction thereof; the connecting node structure comprises a pressure plate 2, a hook bolt 3 and an adhering part 4; as shown in fig. 11 to 12, the pressing plate 2 is a sheet structure, the pressing plate 2 is disposed in the mounting groove 102 of the splicing seam 101, the pressing plate 2 has a lower surface 22 for abutting against the bottom surface of the splicing seam 101 and an upper surface 21 for being connected with the hook bolt 3 in a matching manner, and a central hole 23 for the hook bolt 3 to pass through is disposed in the center of the pressing plate 2; as shown in fig. 10, the hook bolt 3 includes a bolt portion 31 and a hook portion 32, the bolt portion 31 is a rod body, the lower end of the rod body is provided with a thread acting portion 311, the hook portion 32 is arranged at the upper end of the rod body, the hook portion 32 is arranged perpendicular to the rod body, the bolt portion 31 passes through the pressing plate 2 and enters the joint between two adjacent ALC roof panels 1, and the hook portion 32 abuts against the upper surface 21 of the pressing plate 2; the space of the splice seam 101 except for the pressure plate 2 and the hook bolt 3 is a joint filling space, and the joint part 4 is filled in the joint filling space.

In the embodiment of the utility model, the ALC roof panels 1 are provided with long sides and short sides, and a splicing seam 101 between the short sides of two adjacent ALC roof panels 1 is provided with 1 mounting groove 102; the number of the pressing plates 2 corresponds to the number of the mounting grooves 102 one by one; through the arrangement, the structural strength of the ALC roof panel 1 is high after the ALC roof panel is integrally installed, and the construction requirements and the use design requirements are met.

In the embodiment of the utility model, the mounting groove 102 is a square groove, the pressing plate 2 is a square plate, the pressing plate 2 is made of a galvanized plate with the thickness of 4mm, and the galvanized plate has the length of 100mm and the width of 50 mm; the strength is high enough, the manufacture is easy, and the use and the installation are convenient.

In the above embodiment, the length of the thread acting portion 311 of the hook bolt 3 is 40mm, the length of the hook part 32 of the hook bolt 3 is 40mm, and the overall length of the hook bolt 3 is smaller than the thickness of the ALC roof panel 1; through the arrangement, the hook bolt 3 can be firmly fastened and matched with the ALC roof board 1 and the pressing board 2, the distance of the thickness part of the ALC roof board 1 is proper, the length of the thread acting part 311 is proper, the length of the hook part 32 abutting against the upper surface 21 of the pressing board 2 is also proper, and the hook bolt is just matched with the size specification of the splicing seam 101 and the pressing board 2.

Through the implementation of the technical scheme, the fire resistance is better improved by selecting the plate type of the ALC roof panel 1, optimizing the joint of the hook bolt 3 and the pressing plate 2 and adjusting the construction process and related steps according to the structure of the connecting joint, the pressing plate 2 is directly pressed between two roof panels, the method is simple and practical, and the phenomenon that the roof panel cracks due to hollowing of the seam under the action of external load is avoided.

With respect to the above embodiments, possible variations of the present invention are described below:

1. in the above embodiment, the ALC roof panels 1 have long sides and short sides, 4 mounting grooves 102 are arranged at a joint seam 101 between the long sides of two adjacent ALC roof panels 1, and 2 mounting grooves 102 are arranged at a joint seam 101 between the short sides of two adjacent ALC roof panels 1; the number of the pressing plates 2 corresponds to the number of the mounting grooves 102, but the utility model is not limited thereto, and the number and the specification of the mounting grooves 102 are arranged and designed according to the actual construction design requirements.

2. In the above embodiment, the pressing plate 2 is made of a galvanized plate with a thickness of 4mm, the length of the galvanized plate is 100mm, and the width of the galvanized plate is 50mm, but the utility model is not limited thereto, and the number and the specification of the pressing plates 2 are arranged and designed according to the actual construction design requirements.

3. In the above embodiment, the length of the thread acting portion 311 of the hook bolt 3 is 40mm, the length of the hook part 32 of the hook bolt 3 is 40mm, and the overall length of the hook bolt 3 is smaller than the thickness of the ALC roof panel 1, but the utility model is not limited thereto, and the number and the specification of the hook bolts 3 are arranged and designed according to the actual construction design requirements.

4. In the above embodiment, the mounting groove 102 is a square groove, and the pressing plate 2 is a square plate, but the utility model is not limited thereto, and the mounting groove 102 and the pressing plate 2 may also be in other shapes such as a circle, an ellipse, a prism, a rectangle, and the like.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a ALC roof boarding connected node structure for the installation of ALC roof boarding (1) between adjacent is fixed, and the bottom fixed mounting of ALC roof boarding (1) is on roof girder (8), its characterized in that:

the ALC roof panels (1) are provided with a male groove (11) and a female groove (12) which are used for matching connection, splicing seams (101) between two adjacent ALC roof panels (1) are arranged on the upper surfaces (21) of the adjacent ALC roof panels (1) after splicing and assembling, the bottom surfaces of the splicing seams (101) are positioned above the male groove (11), and mounting grooves (102) are formed in the splicing seams (101) along the length direction of the splicing seams;

the connecting node structure comprises a pressure plate (2), a hook head bolt (3) and an adhesive part (4); wherein the content of the first and second substances,

the pressing plate (2) is of a sheet structure, the pressing plate (2) is arranged in a mounting groove (102) of the splicing seam (101), the pressing plate (2) is provided with a lower surface (22) used for abutting against the bottom surface of the splicing seam (101) and an upper surface (21) used for being matched and connected with the hook bolt (3), and a center hole (23) for the hook bolt (3) to penetrate through is formed in the center of the pressing plate (2);

the hook bolt (3) comprises a bolt body part (31) and a hook head part (32), the bolt body part (31) is a rod body, the lower end of the rod body is provided with a thread acting part (311), the hook head part (32) is arranged at the upper end of the rod body, the hook head part (32) and the rod body are vertically arranged, the bolt body part (31) penetrates through the pressing plate (2) and then enters the joint between two adjacent ALC roof panels (1), and the hook head part (32) abuts against the upper surface (21) of the pressing plate (2);

the joint seam (101) is a joint filling space at the space except the pressure plate (2) and the hook bolt (3), and the joint filling space is filled with an adhesive part (4).

2. The ALC roof boarding connected node structure of claim 1, characterized in that: the ALC roof panels (1) are provided with long sides and short sides, 4 mounting grooves (102) are arranged at the splicing seam (101) between the long sides of two adjacent ALC roof panels (1), and 2 mounting grooves (102) are arranged at the splicing seam (101) between the short sides of two adjacent ALC roof panels (1); the number of the pressing plates (2) corresponds to the number of the mounting grooves (102) one by one.

3. The ALC roof boarding connected node structure of claim 1, characterized in that: the mounting groove (102) is a square groove, and the pressing plate (2) is a square plate.

4. The ALC roof boarding connected node structure of claim 3, characterized in that: the pressing plate (2) is made of a galvanized plate with the thickness of 4mm, and the length of the galvanized plate is 100mm, and the width of the galvanized plate is 50 mm.

5. The ALC roof boarding connected node structure of claim 1, characterized in that: the length of a thread acting part (311) of the hook bolt (3) is 40mm, the length of a hook part (32) of the hook bolt (3) is 40mm, and the overall length of the hook bolt (3) is smaller than the thickness of the ALC roof panel (1).

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