CN219825847U

CN219825847U - Anchor hook type steel bar truss, steel bar truss set and truss plate

Info

Publication number: CN219825847U
Application number: CN202321141690.3U
Authority: CN
Inventors: 朱玉梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-10-13
Anticipated expiration: 2033-05-12

Abstract

The utility model belongs to the technical field of trusses, and particularly relates to an anchor hook type steel bar truss, a steel bar truss group and truss plates, wherein the steel bar truss comprises web members and lower chord bars arranged along the length direction of the web members, and the anchor hook type steel bar truss is characterized in that: the lower part of web member muscle outwards buckles to form the kink, and the kink separates the web member muscle into first straight arm section and second straight arm section, and the second straight arm section is located the outside of first straight arm section, and the contained angle between the plane that the second straight arm section is located and the plane that the first straight arm section is located is the acute angle, and lower chord muscle is connected on first straight arm section. The included angle between the first straight arm section and the second straight arm section in the steel bar truss is an acute angle, so that the web member ribs are in an anchor hook shape, the anchoring force of the anchor hook-shaped web member ribs on the bottom plate is stronger, the coupling strength between the steel bar truss and the plate body can be improved, and the quality of truss plates is improved.

Description

Anchor hook type steel bar truss, steel bar truss set and truss plate

Technical Field

The utility model belongs to the technical field of trusses, and particularly relates to an anchor hook type steel bar truss, a steel bar truss group and truss plates.

Background

With the continuous development of the building industry, the assembled structure is mature gradually, so that the problem of environmental pollution caused by site construction is solved, the construction period is greatly shortened, and the assembled structure becomes a regular script model of an emerging building. Accordingly, various assembled wall panels and floor panels have been developed. The floor support plate is preferably used as the main bearing part in the room, and the integrity of the floor support plate can be maintained, but the integral floor support plate has large volume and large weight, and great inconvenience is brought to the transportation and installation of the floor support plate.

In order to solve the problem, the utility model patent with the bulletin number of CN214834066U discloses a pre-buried steel bar truss, wherein the lower part of the steel bar truss is pre-buried in a plate body in the forming process, so that the connection between the steel bar truss and the plate body is realized, the pre-buried steel bar truss is immersed in cement slurry to prepare a truss plate, and the truss plate is spliced and poured into an integral floor plate when the steel bar truss is used. In this pre-buried formula steel bar truss structure, because its trough section, diagonal segment and auxiliary bar all lie in the coplanar, the relation of connection between steel bar truss and the bottom plate is inseparable, and the bottom plate thickness can only be increasable to the high joint strength that wants to satisfy steel bar truss and plate body, this has undoubtedly increased truss board weight again, causes the difficulty of work such as transport, assembly, pouring.

Disclosure of Invention

The utility model aims to solve the technical problems that: overcomes the defects of the prior art, and provides an anchor hook type steel bar truss, a steel bar truss group and a truss plate, which can improve the coupling strength between the steel bar truss and the plate body, improve the truss plate quality and lighten the truss plate weight.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an anchor hook formula steel bar truss, includes web member muscle and along lower chord muscle that web member muscle length direction placed, its characterized in that: the lower part of web member muscle outwards buckles to form the kink, and the kink separates the web member muscle into first straight arm section and second straight arm section, and the second straight arm section is located the outside of first straight arm section, and the contained angle between the plane that the second straight arm section is located and the plane that the first straight arm section is located is the acute angle, and lower chord muscle is connected on first straight arm section.

Further, an auxiliary rib is arranged on the second straight arm section.

Further, the outer side of the auxiliary rib is fixedly connected with the second straight arm section, and the inner side of the auxiliary rib is fixedly connected with the first straight arm section.

Further, the upper chord rib is consistent with the lower chord rib in placement direction, and is connected to the top of the first straight arm section.

Further, two sides of the upper chord rib are respectively connected with web members, and the first straight arm sections of the two web members form a 'inverted V' shape at the end face.

Further, the upper chord rib and the lower chord rib have an extension beyond the web rib.

The utility model also provides an anchor hook type steel bar truss group, which comprises more than two groups of steel bar trusses sequentially arranged along the width direction, and is characterized in that: the steel bar truss is the anchor hook type steel bar truss and further comprises reinforcing ribs, wherein the reinforcing ribs are connected with all upper chord ribs or all lower chord ribs.

Further, the number of the reinforcing ribs is more than two, and the reinforcing ribs are arranged along the length direction of the steel bar truss.

The utility model also provides an anchor hook truss plate, which comprises a bottom plate and a steel bar truss group, wherein the lower part of the steel bar truss group is fixed in the bottom plate, and the anchor hook truss plate is characterized in that: the steel bar truss group is the anchor hook type steel bar truss group, and the second straight arm section of the web member bar in the steel bar truss is completely wrapped in the bottom plate.

Further, the height of the second straight arm section is 5-50 mm, and the thickness of the bottom plate is 10-100 mm.

Further, the upper end of the side wall of the bottom plate is provided with a triangular chamfer, and the lower end of the side wall of the bottom plate is provided with a shaping notch.

Compared with the prior art, the utility model has the beneficial effects that:

1. because the kink separates web member muscle into first straight arm section and second straight arm section, the contained angle between second straight arm section and the first straight arm section is the acute angle for first straight arm section constitutes the anchoring hook shape with the second straight arm section jointly, and the anchoring hook form web member muscle is stronger to the mud dynamics of grabbing of bottom plate, and at the in-process of pouring cement, the acute angle is more stable, is difficult for stretching deformation, thereby can guarantee that the joint strength between steel bar truss and the bottom plate body is higher. For truss plates with the same strength requirement, the bottom plate can be thinner, and the gap between the steel bar trusses is larger, so that materials are saved, and the production is convenient.

2. Because be connected with the auxiliary rib on the straight arm section of second, the auxiliary rib has increased the joint strength of the straight arm section of second, avoids the straight arm section of second to warp and influence truss board quality in pouring or use, buries auxiliary rib and the straight arm section of second together in the bottom plate during the use, can further strengthen the joint strength of steel bar truss and bottom plate.

3. Because the inner side of the auxiliary rib is fixedly connected with the first straight arm section, and the outer side of the auxiliary rib is fixedly connected with the second straight arm section, the auxiliary rib is more firmly connected, the structure of the second straight arm section is more stable, and the connection strength of the steel bar truss and the bottom plate is further improved.

4. Because the top of the web member rib is connected with the upper chord rib which is consistent with the placement direction of the lower chord rib, the mature process in the prior art is utilized on the premise of enhancing the strength of the steel bar truss, thereby being beneficial to improving the production efficiency.

5. As all the steel bar trusses are connected together through the reinforcing ribs to form the steel bar truss group, the stability and the integrity of the steel bar truss group are improved, and the integral installation of the steel bar trusses is facilitated.

6. The reinforcing ribs are arranged along the length direction of the steel bar truss, so that the overall stability of the steel bar truss group is improved.

7. Because the second straight arm section is completely wrapped in the bottom plate, the compressive strength of the bottom plate and the compressive strength of the second straight arm section are overlapped, and the overall compressive strength of the truss plate is increased.

8. The utility model realizes the high-strength connection of the steel bar truss plate and the bottom plate through simple structural improvement, saves the consumption of cement and steel materials on the basis of ensuring the strength of the floor carrier plate, and is convenient for popularization and use in industry.

Drawings

Fig. 1 is a schematic diagram of an end face structure of a steel bar truss;

fig. 2 is a schematic side view of a steel bar truss set;

FIG. 3 is a schematic view of a truss panel splice construction;

fig. 4 is an enlarged schematic view of section I in fig. 3.

Marked in the figure as:

1. web member ribs; 11. a first straight arm segment; 12. a second straight arm segment; 3. a lower chord rib; 4. a chord rib is arranged; 5. auxiliary ribs; 6. a bottom plate; 7. triangular chamfering; 8. shaping the notch; 9. reinforcing ribs.

Detailed Description

When the utility model is in a use state, one end close to the ground is defined as a lower end or a bottom end, and correspondingly, one end far away from the ground is positioned as an upper end or a top end; along the width direction of the steel bar truss, a side toward the center of the steel bar truss is defined as an inner side, and correspondingly, a side away from the center of the steel bar truss is defined as an outer side.

The utility model is further described below with reference to the accompanying examples:

as shown in fig. 1, the web member rib 1 of the steel bar truss in the utility model has an outward bending part, the bending part divides the web member rib 1 into a first straight arm section 11 and a second straight arm section 12, an included angle between a plane where the second straight arm section 12 is located and a plane where the first straight arm section 11 is located is an acute angle, the second straight arm section 12 and the first straight arm section 11 together form an anchoring shape, the height of the second straight arm section 12 is 5-50 mm, and the specific height can be regulated and limited according to the strength requirement of the truss plate. The second straight arm section 12 is fixedly connected with the auxiliary rib 5, in order to improve the connection strength of the auxiliary rib 5 and the stability of the second straight arm section 12, the inner side of the auxiliary rib 5 is fixedly connected to the first straight arm section 11, the outer side of the auxiliary rib 5 is fixedly connected to the second straight arm section 12, the auxiliary rib 5 extends along the length direction of the web member rib 1 and is parallel to the lower chord rib 3, and the second straight arm section 12 on the same web member rib 1 can be connected to the auxiliary rib 5. In order to increase the strength of the steel bar truss, an upper chord rib 4 consistent with the placement direction of the lower chord rib 3 is further connected to the top of the first straight arm section 11, web members 1 are respectively connected to two sides of the upper chord rib 4, and the first straight arm sections 11 of the two web members 1 form a 'inverted V' at the end face. The upper chord rib 4 and the lower chord rib 3 are provided with extension sections exceeding the two ends of the web member rib 1.

As shown in fig. 2, two or more of the above-mentioned steel bar trusses are placed in sequence in the width direction, and the upper chord tendons 4 of all the steel bar trusses are connected by the transversely placed reinforcing bars 9, so that all the steel bar trusses are connected together to form the steel bar truss group in the present utility model. The number of the reinforcing ribs 9 may be two or more, and the two or more reinforcing ribs 9 are arranged along the length direction of the steel bar truss.

The steel bar truss group is lifted upwards and falls into the spread cement slurry from the upper side, so that the second straight arm section 12 of the steel bar truss is completely wrapped and fixed in the maintenance-molded bottom plate 6 to form the truss plate. As shown in fig. 3, a triangular chamfer is provided at the upper end of the side wall of the bottom plate 6, and a shaping notch is provided at the lower end of the side wall of the bottom plate 6. The thickness of the bottom plate 6 is 10-100 mm, and specifically, the thickness of the bottom plate 6 can be adjusted according to the height and strength requirements of the second straight arm section 12, for example, on the premise that the second straight arm section 12 is completely wrapped in the bottom plate 6, the upper surface of the bottom plate 6 can be higher than the upper surface of the auxiliary rib 5, and when the requirement of higher strength is met, the upper surface of the bottom plate 6 can be higher than the upper surface of the lower chord rib 3. The deformation of the bottom plate 6 is reduced as much as possible by the mode of combining the lower chord rib 3 with the web member rib 1, so that the cracking probability of the bottom plate 6 is greatly reduced, and the quality of the truss plate is improved.

The working process of the utility model comprises the following steps:

when the truss plate is used, the truss plate is spliced into the size of the floor plate, and a plurality of transverse ribs which are basically parallel to the reinforcing ribs 9 are connected, so that the transverse ribs are connected with the upper chord ribs 4, the lower chord ribs 3 or other positions of all the steel bar trusses from different positions, and the steel bar trusses and the transverse ribs are connected into the steel bar net frame. The extension sections of the upper chord tendons and the lower chord tendons are placed on the frame beam and fixed on the steel frame beam of the steel structure or the steel net frame in the concrete frame beam. Then, a side form of the floor slab is supported on the outer periphery, and concrete is poured to form the floor slab with an integral structure. Because of the triangular chamfer at the upper end of the side wall of the bottom plate 6, two adjacent truss plates are fixedly connected together, the sealing performance between the two truss plates is better, and the connection strength is higher; the shaping notch at the lower end of the side wall of the bottom plate 6 also provides a margin for further modification leveling treatment of the floor plate.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. Any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model are possible without departing from the technical substance of the present utility model.

Claims

1. The utility model provides an anchor hook formula steel bar truss, includes web member muscle and along web member muscle length direction's lower chord muscle of placing, its characterized in that: the lower part of web member muscle outwards buckles to form the kink, and the kink separates the web member muscle into first straight arm section and second straight arm section, and the second straight arm section is located the outside of first straight arm section, and the contained angle between the plane that the second straight arm section is located and the plane that the first straight arm section is located is the acute angle, and lower chord muscle is connected on first straight arm section.

2. The fluke type steel bar truss of claim 1, wherein: the second straight arm section is provided with an auxiliary rib.

3. The fluke type steel bar truss of claim 2, wherein: the outer side of the auxiliary rib is fixedly connected with the second straight arm section, and the inner side of the auxiliary rib is fixedly connected with the first straight arm section.

4. A fluke steel bar truss according to any one of claims 1 to 3, wherein: the upper chord rib is connected to the top of the first straight arm section.

5. The fluke type steel bar truss of claim 4, wherein: the two sides of the upper chord rib are respectively connected with web member ribs, and the first straight arm sections of the two web member ribs form a reverse V shape at the end face.

6. The utility model provides an anchor hook formula steel bar truss group, includes more than two sets of steel bar truss that put along width direction order, its characterized in that: the steel bar truss is the steel bar truss of claim 4 or 5, and further comprises reinforcing ribs, wherein the reinforcing ribs are connected with all upper chord ribs or all lower chord ribs.

7. The fluke set of steel bar trusses of claim 6, wherein: the number of the reinforcing ribs is more than two, and the reinforcing ribs are arranged along the length direction of the steel bar truss.

8. The utility model provides an anchor hook formula truss plate, includes bottom plate and steel bar truss group, and the lower part of steel bar truss group is fixed in the bottom plate, its characterized in that: the steel bar truss set is the anchor hook type steel bar truss set as claimed in claim 6 or 7, and the second straight arm section of the web member rib in the steel bar truss is completely wrapped in the bottom plate.

9. The fluke truss plate of claim 8, wherein: the height of the second straight arm section is 5-50 mm, and the thickness of the bottom plate is 10-100 mm.

10. The fluke truss plate of claim 9, wherein: the upper end of the side wall of the bottom plate is provided with a triangular chamfer, and the lower end of the side wall of the bottom plate is provided with a shaping notch.