CN217601852U

CN217601852U - Assembled space pipe truss and concrete connection node

Info

Publication number: CN217601852U
Application number: CN202221652570.5U
Authority: CN
Inventors: 熊政超; 李宏胜; 陈晓强; 陈元坤
Original assignee: Central South Architectural Design Institute Co Ltd
Current assignee: Central South Architectural Design Institute Co Ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-10-18
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses an assembly type space pipe truss and concrete connection node, which comprises a plurality of pipe truss standard parts, truss end plates and embedded plates, wherein the pipe truss standard parts are sequentially connected end to form a space pipe truss; the truss end plates are fixed at the end parts of the head pipe truss standard component and the tail pipe truss standard component; the inner side of the embedded plate is connected with a reinforcing component, and the inner end surface of the embedded plate and the reinforcing component are embedded in the concrete structure; the outer end face of the embedded plate is over against the truss end plate, and the embedded plate is connected with the truss end plate through a plurality of high-strength bolts; the reinforcing member comprises a plurality of straight anchor steel bars and a plurality of shear keys which are arranged at intervals; the straight anchor steel bars and the shear keys are perpendicular to the pre-embedded plate, the inner ends of the straight anchor steel bars are connected with the anchor bar end plates, and the outer ends of the straight anchor steel bars are fixed with the inner side surface of the pre-embedded plate; the outer end of the shear key is fixed with the inner end face of the embedded plate. The utility model has the advantages that: the beneficial effects of the utility model are that: the utility model has convenient structure construction and high installation precision; the processing and the manufacturing are simple and convenient, and the manufacturing cost is low; the structural member has strong bearing capacity and high safety.

Description

Assembled space pipe truss and concrete connection node

Technical Field

The utility model relates to a building structure technical field, concretely relates to assembled space pipe truss and concrete connected node.

Background

In recent years, with the development of urban construction and the increase of high-rise buildings, steel structures in China develop rapidly, and steel structure houses are actively popularized and widely applied as green and environment-friendly buildings. The establishment of important projects of steel structure systems such as the national sports center of capital international airports and bird nests marks that a building steel structure is rapidly developed to a space large-span steel structure. The spatial pipe truss structure is used for a large-span roof truss structure, can effectively improve the efficiency of structural members, and simultaneously lightens the dead weight of the whole structure so as to further save structural materials, thereby being an ideal large-span structural form. The space tube truss is more and more widely applied due to excellent mechanical property and stronger space spanning capability.

In the existing building, a main structure usually adopts a reinforced concrete form, a large-span part adopts a space steel pipe truss form, and a large amount of field welding work is performed in the traditional node form of the space steel pipe truss and a concrete structure, so that a large amount of noise and dust can be generated on the field, and the environmental pollution is caused. In addition, the joints of the space pipe trusses and the concrete structure are connected in a large number of different processes, so that the field organization is difficult, and the construction progress is influenced. Therefore, the value of designing the assembly type space pipe truss and concrete connection node which is convenient to connect, strong in adaptability and excellent in mechanical property is particularly important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, provide an assembled space pipe truss and concrete connected node that construction is simple, environment friendly and mechanical properties is good.

The utility model discloses a technical scheme do: an assembled type space pipe truss and concrete connecting node comprises a plurality of pipe truss standard parts, truss end plates and embedded plates, wherein the pipe truss standard parts are sequentially connected end to form a space pipe truss; the truss end plates are fixed at the end parts of the head and tail pipe truss standard components; the inner side of the pre-embedded plate is connected with a reinforcing component, and the inner end surface of the pre-embedded plate and the reinforcing component are pre-embedded in the concrete structure; the outer end face of the embedded plate is opposite to the truss end plate, and the embedded plate is connected with the truss end plate through a plurality of high-strength bolts.

According to the scheme, the reinforcing member comprises a plurality of straight anchor steel bars and a plurality of shear keys which are arranged at intervals; the straight anchor steel bars and the shear keys are perpendicular to the embedded plate, the inner ends of the straight anchor steel bars are connected with the anchor bar end plates, and the outer ends of the straight anchor steel bars are fixed with the inner side surface of the embedded plate; the outer end of the shear key is fixed with the inner end face of the embedded plate.

According to the scheme, the high-strength bolt sleeves are fixed on the embedded plates and are matched with the high-strength bolts, and the high-strength bolts sequentially penetrate through the truss end plates and the embedded plates and are connected with the high-strength bolt sleeves.

According to the scheme, the pipe truss standard component comprises two truss units and two side plates, wherein the two truss units are arranged in an up-and-down opposite mode, and the two side plates are respectively arranged on the front side and the rear side and are arranged along the whole length of the truss units; the two truss units are connected through two side plates respectively.

According to the scheme, the truss unit comprises two chords and a plurality of web members, the two chords are arranged in parallel, the web members are arranged between the two chords, and two ends of each web member are connected with the two chords respectively; the chords on the same sides of the two truss units are connected through the side plates, specifically, the upper edges of the side plates are connected with the chords of the upper truss unit, and the lower edges of the side plates are connected with the chords on the same sides of the lower truss unit.

According to the above scheme, the web member includes first web member, second web member and third web member, first web member perpendicular to chord member, second web member and third web member slope just use the second web member as center pin symmetrical arrangement.

According to the scheme, two truss end plates are configured at one end of the pipe truss standard component, the outer end face of each truss end plate is connected with the end parts of the chords on the same sides of the upper truss unit and the lower truss unit, and the chords are perpendicular to the truss end plates.

According to the scheme, a plurality of stiffening ribs used for being connected with the chord members or the side plates are arranged on the outer end face of the truss end plate along the height direction.

According to the scheme, the truss end plate and the embedded plate are both of plate-shaped structures with smooth transition on the outer edges.

According to the scheme, the side plates are steel plates.

The utility model has the advantages that:

1. the structure construction is convenient, and the installation accuracy is high. Different from rectangular pipe components, the upper surface and the lower surface of the truss standard component are open spaces, so that the construction operation space is improved, the difficulty of node connection is reduced, and the construction quality of the structure is ensured; the embedded part and the truss standard part are constructed in a factory and transported to a construction site for bolt connection, the construction process is simple and convenient, the installation precision is high, the quality of a component finished product is high, the node construction quality is good, the structural safety is high, a large amount of on-site welding work is avoided, and a large amount of manpower and material resources are saved.

2. Simple processing and low cost. The utility model discloses with the space truss split a plurality of truss standard components, the processing preparation is convenient, can save component cost of manufacture by a wide margin.

3. The structural member has strong bearing capacity and high safety. The utility model discloses, strengthen through the stiffening plate between truss standard component tip and the truss end plate, be connected through the fastener between truss standard component and built-in fitting, each plate passes power reliably, and the degree of safety is high.

4. The structure adaptability is strong. Present space pipe truss only is applicable to the structural style that the wide proportion of structure section length is harmonious, the utility model discloses the node side adopts the side steel sheet to replace the pipe web member, can not only be applicable to the structural style that the wide proportion of structure section length is harmonious, to the serious maladjusted condition of wide proportion of structure section length, is applicable equally.

Drawings

Fig. 1 is an axial view of an embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is an exploded view of fig. 1.

Fig. 4 is an exploded axial view of the truss standard of this embodiment.

Fig. 5 is an exploded axial view of the fastener of this embodiment.

In the figure, 1, a pipe truss standard part, 2, a chord member, 3, a web member, 4, a side plate, 5, a stiffening rib, 6, a truss end plate, 7, a high-strength bolt, 8 bolt holes, 9, an embedded plate, 10, a high-strength bolt sleeve, 11, a sleeve threaded hole, 12, a shear key, 13, a straight anchor steel bar and 14, an anchor steel bar end plate.

Detailed Description

For a better understanding of the present invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings.

As shown in fig. 1 to 3, the fabricated space pipe truss and concrete connection node comprises a plurality of pipe truss standard parts 1, truss end plates 6 and embedded plates 9, wherein the plurality of pipe truss standard parts 1 are sequentially connected end to form a space pipe truss; the truss end plates 6 are fixed at the end parts of the head and tail pipe truss standard components 1; the inner side of the pre-buried plate 9 is connected with a reinforcing component, and the inner end surface of the pre-buried plate 9 and the reinforcing component are both pre-buried in the concrete structure; the outer end face of the embedded plate 9 is over against the truss end plate 6, and the embedded plate 9 is connected with the truss end plate 6 through a plurality of high-strength bolts 7.

Preferably, as shown in fig. 5, the reinforcing member comprises a plurality of straight anchor steel bars 13 and a plurality of shear keys 12 arranged at intervals; the straight anchor steel bars 13 and the shear keys 12 are perpendicular to the embedded plate 9, the inner ends of the straight anchor steel bars 13 are connected with anchor bar end plates 14 (which can be welded), and the outer ends of the straight anchor steel bars 13 are fixed with the inner side surface of the embedded plate 9; the outer end of the shear key 12 is fixed (welded) with the inner end face of the embedded plate 9.

Preferably, a high-strength bolt sleeve 10 is fixed on the embedded plate 9, the high-strength bolt sleeve 10 is matched with the high-strength bolt 7, and the high-strength bolt 7 sequentially penetrates through the truss end plate 6 and the embedded plate 9 and then is connected with the high-strength bolt sleeve 10.

In this embodiment, the embedded plate 9 is provided with a plurality of sleeve threaded holes 11 adapted to the high-strength bolt sleeve 10, and an end portion of the high-strength bolt sleeve 10 is screwed into the threaded holes 11 of the embedded plate 9. The pipe truss standard component 1 is connected with the embedded plate 9 through the high-strength bolt 7 and the high-strength bolt sleeve 10.

Preferably, the pipe truss standard component 1 comprises two truss units and two side plates 4, the two truss units are arranged in an up-and-down opposite mode, and the two side plates 4 are respectively arranged on the front side and the rear side and are arranged along the full length of the truss units; the two truss units are connected by two side plates 4, respectively.

Preferably, as shown in fig. 4, the truss unit includes two chords 2 and a plurality of web members 3, the two chords 2 are arranged in parallel, the web members 3 are disposed between the two chords 2, and two ends of the web members 3 are respectively connected to the two chords 2; the chords 2 on the same sides of the two truss units are connected through side plates 4, specifically, the upper edges of the side plates 4 are connected with the chords 2 of the upper truss unit, and the lower edges of the side plates 4 are connected with the chords 2 on the same side of the lower truss unit.

In this embodiment, the web member 3 includes a first web member, a second web member, and a third web member, the first web member is perpendicular to the chord member 2, and the second web member and the third web member are inclined and are symmetrically arranged with the second web member as a central axis.

In this embodiment, the side plate 4 is a steel plate.

Preferably, one end of the pipe truss standard component 1 is provided with two truss end plates 6, the outer end face of each truss end plate 6 is connected with the end of the chord 2 on the same side of the upper truss unit and the lower truss unit, and the chord 2 is perpendicular to the truss end plates 6.

Preferably, the outer end face of the truss end plate 6 is provided with a plurality of stiffening ribs 5 along the height direction for connecting with the chord 2 or the side plate 4.

Preferably, the truss end plate 6 and the embedded plate 9 are both of plate-shaped structures with smooth transition at the outer edges.

In the embodiment, as shown in fig. 1, one end of the head-to-tail pipe truss standard component 1 is connected with the embedded plate 9, and the other end of the head-to-tail pipe truss standard component 1 is connected with the end part of the adjacent middle pipe truss standard component 1 through the truss end plate 6 and the high-strength bolt 7; in this embodiment, the embedded plate 9 and the reinforcing member constitute an embedded part. The specific manufacturing process of this embodiment is as follows:

1. and (4) manufacturing an embedded part. Cutting and forming the embedded plate 9 in a factory by using a machine, drilling a threaded hole at the position of the designed high-strength bolt 7 by using the machine, and screwing the high-strength bolt sleeve 10 on the embedded plate 9; and then welding the anchor bar end plates 14 on the straight anchor bars 13, and welding the shear keys 12 and the straight anchor bars 13 on the embedded plates 9 to complete the processing and manufacturing of the embedded parts.

2. And (3) manufacturing the pipe truss standard component 1. The chord members 2 are through members, web members connecting the left chord member and the right chord member 2 are cut into connecting joints along intersecting lines by a machine in a factory, and are connected with the chord members 2 through full penetration butt welding. The side plates 4 of the connecting chord 2 are machined in the factory to cut a joint along the intersecting line and are connected to the chord 2 by a full penetration butt weld. The truss end plate 6 is arranged according to the design bolt to be formed into a hole, a machine is utilized in a factory to cut the steel plate into the stiffening rib 5 along the intersecting line, and the stiffening rib is connected with the pipe truss standard component 1 and the truss end plate 6 through a full penetration butt welding line, so that the manufacture of the pipe truss standard component 1 is completed.

3. And (3) connecting the pipe truss standard part 1 with the embedded part. After the pipe truss standard component 1 and the embedded plates 9 are processed and manufactured in a factory and are transported to a construction site, the embedded components and the concrete main structure are constructed together, after the concrete main structure is constructed to a certain degree, the pipe truss standard component 1 is positioned and installed by using a tower and a crane, and the construction of a large-span steel structure part is completed.

The utility model discloses in, the curb plate 4 of pipe truss has the continuous boundary of joinable, convenient and other component be connected, and connection form and position are nimble more changeable. The chords 2 in the width direction of the pipe truss are connected through the side plates 4, and the problem that the traditional pipe truss is poor in mechanical performance and cannot be applied due to the fact that the length-width ratio of the cross section of the space truss is not adjusted is solved. The pipe truss and the embedded parts are all connected through bolts, construction is convenient and fast, joint quality is reliably guaranteed, construction of a concrete main structure can be completed firstly through the connection form, after the pipe truss structure is machined and enters a field, connection of the pipe truss is conducted, construction organization arrangement is facilitated, multiple or all processes of a project are completed continuously and sequentially, the type and the number of engineering machinery entering the field are reduced, idle time of process connection is eliminated, stereoscopic crossing operation is achieved, constructors are reduced, and therefore work efficiency is improved, material consumption is reduced, environmental pollution is reduced, and guarantee is provided for green construction.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An assembly type space pipe truss and concrete connection node is characterized by comprising a plurality of pipe truss standard parts, truss end plates and embedded plates, wherein the plurality of pipe truss standard parts are sequentially connected end to form a space pipe truss; the truss end plates are fixed at the end parts of the head and tail pipe truss standard components; the inner side of the pre-embedded plate is connected with a reinforcing component, and the inner end surface of the pre-embedded plate and the reinforcing component are pre-embedded in the concrete structure; the outer end face of the embedded plate is opposite to the truss end plate, and the embedded plate is connected with the truss end plate through a plurality of high-strength bolts.

2. The fabricated space tube truss-to-concrete connection node of claim 1, wherein said reinforcing members comprise a plurality of straight anchor bars and a plurality of shear keys spaced apart; the straight anchor steel bars and the shear keys are perpendicular to the embedded plate, the inner ends of the straight anchor steel bars are connected with the anchor bar end plates, and the outer ends of the straight anchor steel bars are fixed with the inner side surface of the embedded plate; the outer end of the shear key is fixed with the inner end face of the embedded plate.

3. The fabricated space tube truss-concrete connection node of claim 1, wherein a high-strength bolt sleeve is fixed to the embedded plate, the high-strength bolt sleeve is adapted to the high-strength bolt, and the high-strength bolt sequentially penetrates through the truss end plate and the embedded plate and then is connected with the high-strength bolt sleeve.

4. The fabricated space tube truss-concrete connection node of claim 1, wherein the tube truss standard includes two truss units and two side plates, the two truss units are disposed opposite to each other, the two side plates are respectively disposed at the front and rear sides and are disposed along the entire length of the truss units; the two truss units are connected through two side plates respectively.

5. The fabricated space tube truss-concrete connection node of claim 4, wherein the truss unit comprises two chords and a plurality of web members, the two chords are arranged in parallel, the web members are arranged between the two chords, and two ends of each web member are respectively connected with the two chords; the chords on the same sides of the two truss units are connected through the side plates, specifically, the upper edges of the side plates are connected with the chords of the upper truss unit, and the lower edges of the side plates are connected with the chords on the same sides of the lower truss unit.

6. The fabricated space tube truss to concrete connection node of claim 5 wherein said web members include first, second and third web members, said first web members being perpendicular to said chords, said second and third web members being inclined and symmetrically disposed about said second web members.

7. An assembled space tube truss to concrete connection node as claimed in claim 5 wherein one end of said tube truss module is provided with two truss end plates, each truss end plate having an outer end face connected to the end of a chord on the same side as the upper and lower truss units, the chord being perpendicular to the truss end plates.

8. An assembled space tube truss and concrete connection node as claimed in claim 7 wherein said truss end plates are provided with stiffening ribs on their outer faces in the height direction for connection to chords or side plates.

9. The fabricated space tube truss-concrete connection node of claim 1, wherein the truss end plates and the embedment plates are each of a plate-shaped structure with a smooth transition at an outer edge.

10. The fabricated space tube truss-concrete connection node of claim 5, wherein the side plates are steel plates.