CN111287503A - A modular building structural unit and building - Google Patents

Abstract

The embodiment of the invention provides a modular building structure unit and a building, wherein the modular building structure unit comprises: the three side trusses are arranged in a triangular shape; the middle truss is arranged in a triangular space defined by the three side trusses, the middle truss comprises one or more triangular truss units, when one truss unit is adopted, three vertexes of the truss unit are respectively connected with the side trusses, when a plurality of truss units are adopted, the three vertexes of the truss unit are respectively connected with the side trusses or the vertexes of the other truss unit, and each side truss is connected with the truss unit; and three welding nodes, wherein the three welding nodes are respectively arranged at the top points of the triangle formed by the three side trusses. The modular building structure unit is simple in structure, convenient to produce and process, good in stability, high in structural strength, small in field installation workload, convenient to install, and high in installation precision and installation efficiency.

Description

A modular building structural unit and building

technical field

Embodiments of the present invention relate to the technical field of building structures, and in particular, to a modular building structure unit and a building constructed using the modular building structure unit.

Background technique

The cooling tower of traditional thermal power plant usually adopts reinforced concrete structure, the cooling tower of this structure is heavy and has obvious earthquake effect. Moreover, the tower body adopts a large number of concrete structures, which does not conform to the national development concept of green environmental protection. In recent years, with the development of air-cooling technology, the cooling system of the power plant has begun to adopt an indirect air-cooling system with zero water loss. During normal operation, the interior of the cooling tower is a dry environment, which is conducive to the anti-corrosion of the steel structure. Compared with reinforced concrete structure towers, steel structure cooling towers have the advantages of environmental protection, good economy, good seismic performance, high reliability, and short construction period, and have good application prospects. With the adjustment of the national industrial policy, green and environmentally friendly steel structure cooling towers are gradually being used in power plants.

At present, the steel structure air-cooling towers that have been completed in China mostly use angle steel lattice members, and a large number of gusset plates are used at the node connections, which are connected by welding.

SUMMARY OF THE INVENTION

In view of the above problems existing in the prior art, the embodiments of the present invention provide a modular building structural unit with high structural stability and less consumption of raw materials, and a building constructed by using the modular building structural unit.

In order to solve the above problems, the technical solutions provided by the embodiments of the present invention are:

A modular building structural unit comprising:

three side trusses, three of which are arranged in a triangle;

The middle truss is arranged in the triangular space enclosed by the three side trusses, the middle truss includes one or more triangular truss units, and when the truss unit is one, the three vertices of the truss unit are respectively connected with the side truss, when there are multiple truss units, the three vertices of the truss unit are respectively connected with the side truss or with the vertex of another truss unit, and each of the The side trusses are all connected with the truss units;

Three welding nodes are respectively arranged at the vertices of the triangle formed by the three side trusses.

In some embodiments, the three sides of the truss unit are respectively parallel to the three side trusses.

In some embodiments, the connection point of the truss element to the side truss is at the bisector point of the side truss.

In some embodiments, the side trusses are planar trusses.

In some embodiments, the side truss includes first and second frame rods disposed opposite to each other, and a plurality of first connecting beams connected between the first and second frame rods.

In some embodiments, the truss unit includes a first frame and a second frame disposed opposite to each other, and a plurality of second connecting beams connected between the first frame and the second frame.

In some embodiments, the triangle formed by the three side trusses is an isosceles triangle.

In some embodiments, a sphere or a tube is provided at the vertex of the triangle formed by the three side trusses to form the welded joint.

A building includes a plurality of modular building structural units as described above, wherein a welded joint of one of the modular building structural units is connected to at least one welded joint of the other modular building structural unit.

In some embodiments, one side of the modular building structural unit is provided with a reinforcing truss, and the reinforcing truss and the modular building structural unit are connected by diagonal struts.

Compared with the prior art, the beneficial effects of the embodiments of the present invention are:

The modular building structural unit of the embodiment of the present invention has the advantages of simple structure, convenient production and processing, good stability, high structural strength, small on-site installation workload, convenient installation, high installation accuracy and installation efficiency, and the application of this module The building with the structural unit of the building has the advantages of lower construction cost and faster assembly speed.

Description of drawings

1 is a schematic structural diagram of a first embodiment of a modular building structural unit according to an embodiment of the present invention;

2 is a schematic structural diagram of a second embodiment of the modular building structural unit according to an embodiment of the present invention;

Fig. 3 is the side view structure schematic diagram of the building of the embodiment of the present invention;

4 is a schematic diagram of a partial structure of a building according to an embodiment of the present invention;

FIG. 5 is a schematic top-view structural diagram of a building according to an embodiment of the present invention.

Description of reference numbers:

10 - Modular building structural units;

20-side truss; 21-first pole; 22-second pole; 23-first connecting beam;

30-intermediate truss; 31-truss unit; 32-first frame; 33-second frame; 34-second connecting beam;

40 - Welded nodes;

50 - Reinforced trusses;

60 - Diagonal struts.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to FIG. 1 , an embodiment of the present invention provides a modular building structural unit, which includes: a middle truss 30 , three side trusses 20 and three welded nodes 40 , and the three side trusses 20 are arranged in a triangle. The middle truss 30 is arranged in the triangular space enclosed by the three side trusses 20. The middle truss 30 includes one or more triangular truss units 31. When the size of the modular building structural unit is small, the middle truss 30 may include one truss The unit 31, the three vertices of the truss unit 31 can be respectively connected with the side truss 20; when the size of the modular building structure unit is larger, the middle truss 30 can include a plurality of truss units 31, and the three vertices of the truss unit 31 are respectively It is connected with the side truss 20 or with the vertex of another truss unit 31, and each side truss 20 is connected with a truss unit 31; at the apex.

The three side trusses 20 of the modular building structural unit are arranged in a triangular shape, so that the modular building structural unit forms a triangular structure with good stability. The truss unit 31 also adopts a triangular structure with good stability, which can further improve the stability and structural strength of the modular building structural unit. In the case of ensuring the stability and structural strength requirements, the requirements for the strength of the truss material can be reduced. For example, the truss can use a relatively small diameter frame rod or connecting beam, which is beneficial to save the amount of raw materials, and has a simple structure and convenient production and processing.

When in use, the modular building structural units only need to be connected to each other through the welding nodes 40 to form a building, or to be connected to other buildings or structures through the welding nodes 40, the on-site installation workload is small, the installation is convenient, and the installation accuracy and installation accuracy are high. Efficiency is higher.

The structure and principle of the modular building structural unit of the embodiment of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

In some embodiments, the triangle formed by the three side trusses 20 may be an isosceles triangle, so that the modular building structural unit can be force-balanced on the left and right sides. Preferably, the vertex angle of the isosceles triangle can be configured to be between 30°-120°. Further, the triangle formed by the three side trusses 20 can also be an equilateral triangle, or the side length and inner angle of the triangle formed by the three side trusses 20 can also be adjusted according to the actual requirements of the building.

In some embodiments, the side truss 20 may be a plane truss. The plane truss has a simple structure and can save the amount of raw materials when the structural strength requirements are met. Of course, the side truss 20 can also be a solid truss. In a specific implementation, the side truss 20 may include a first frame rod 21 and a second frame rod 22 arranged opposite to each other, and a plurality of first connecting beams 23 connected between the first frame rod 21 and the second frame rod 22 . The first frame rod 21 , the second frame rod 22 and the first connecting beam 23 can all be made of hollow pipes. In terms of shape, the hollow tube can be a square tube or a round tube. In terms of material, the hollow pipe material can be a steel pipe or an aluminum alloy pipe or the like. In terms of size, the diameters of the first frame rod 21 and the second frame rod 22 can be configured to be larger, and the diameter of the first connecting beam 23 can be configured to be smaller. It should be noted that, the first frame rod 21 , the second frame rod 22 and the first connecting beam 23 are not limited to the profiles listed above, and other types of profiles can also be used.

In terms of connection mode, the first connecting beam 23 can be connected obliquely between the first frame rod 21 and the second frame rod 22, for example, the angle between the first connecting beam 23 and the first frame rod 21 and the second frame rod 22 can be Between 30°-90°, one end of another adjacent first connecting beam 23 can be connected with one end of the previous first connecting beam 23, and the other first connecting beam 23 is inclined in another direction, and is connected with the first connecting beam 23. The angle between the frame rod 21 and the second frame rod 22 may be the same as the angle between the previous first connecting beam 23 and the first frame rod 21 and the second frame rod 22 . In this way, two adjacent first connecting beams 23 and one first frame rod 21 also form a triangular structure, so that several triangular structures are formed inside the side truss 20, so that the side truss 20 has high stability and structural strength , while ensuring the structural strength, it is beneficial to further save the amount of raw materials. Further, a plurality of first connecting beams 23 that are perpendicular to the first frame rod 21 and the second frame rod 22 can also be arranged, and the first connecting beams 23 arranged obliquely and the first connecting beams 23 arranged vertically It can be arranged at intervals, so that the side truss 20 has better stability in all directions.

In some embodiments, the three sides of the truss unit 31 are respectively parallel to the three side trusses 20 , that is, the triangle formed by the truss unit 31 and the three interior angles of the triangle formed by the three side trusses 20 are identical. When the middle truss 30 includes a plurality of truss units 31, the truss units 31 can also be arranged in a way that three sides are parallel to each other, and the plurality of truss units 31 can be evenly arranged, such as horizontal rows, oblique rows, horizontal or At least one vertex of the first and last truss units 31 in a row is connected to the side truss 20 , and the three vertexes of the truss unit 31 in the middle can be connected to vertexes of other truss units 31 respectively.

In a preferred embodiment, the connection point of the truss unit 31 and the side truss 20 may be located at the bisector point of the side truss 20 . For example, when the middle truss 30 includes one truss unit 31 , the three vertices of the truss unit 31 may be respectively connected at the midpoints of the three side trusses 20 , and when the middle truss 30 includes three truss units 31 , the truss units 31 The vertices of can be connected at the trisecting points of the side trusses 20, and so on.

In some embodiments, the truss unit 31 can be a flat truss with a slightly smaller size, and the truss unit 31 can include a first frame 32 and a second frame 33 that are oppositely arranged and connected between the first frame 32 and the second frame 33 A plurality of second connecting beams 34 therebetween. The first frame 32 and the second frame 33 can be triangular frames with the same shape, and the second connecting beam 34 can be connected between the two opposite triangular frames in an inclined or vertical manner. For example, three vertices of two triangular frames can be connected by a second connecting beam 34 perpendicular to the two, and two adjacent vertices of the triangular frame can be connected by several second connecting beams 34 arranged obliquely. The first frame 32 , the second frame 33 and the second connecting beam 34 can also be made of hollow pipes or other profiles.

In some embodiments, spheres or tubes may be provided at the vertices of the triangle formed by the three side trusses 20 to form a welded joint 40 with a larger welding surface to facilitate welding operations between adjacent modular building structural units , or welding operations between modular building structural units and other buildings and enabling them to form strong connections. The sphere can be, for example, a hollow sphere, and the radius of the sphere can be larger than the diameters of the first pole 21 and the second pole 22, thereby forming a larger welding surface. In specific implementation, hollow spheres may be arranged at the connection points of the frame bars of two adjacent side trusses 20, that is, a hollow sphere is arranged at the connection point of the two first frame bars 21, and a hollow sphere is arranged at the connection points of the two second frame bars 21 Another hollow ball is arranged at the connection point of the frame rod 22 , as shown in FIG. 1 . When a pipe body is used, the diameter of the pipe body can also be configured to be larger, and both ends of the pipe body can be connected to the ends of the first frame rod 21 and the end of the second frame rod 22 respectively, thereby forming a columnar welding node 40 ,as shown in picture 2.

Referring to FIG. 3 , an embodiment of the present invention further provides a building, which may be, for example, a cooling tower of a thermal power plant, a house, a stadium, or other types of buildings, and the building may include a plurality of the above-mentioned buildings. For the modular building structural units described above, the modular building structural units can be welded to each other through welding nodes 40 , and the modular building structural units and other buildings or structures can also be connected through welding nodes 40 .

Taking the cooling tower as an example, the modular building structural units can be connected in turn to form a ring structure, and stacked in turn through the ring structure, as shown in Figure 4, to form a conical tower base and a columnar tower set on the conical tower base. body.

As shown in FIG. 5 , in a preferred embodiment, the building may further include a reinforcing truss 50 and diagonal struts 60 , the reinforcing truss 50 may be arranged on one side of the modular building structural unit, and the diagonal bracing 60 is connected to the reinforcing truss 50 . Between the truss 50 and the modular building structural unit 10, the two are connected as a whole, thereby improving the structural strength of the building.

Still taking the above-mentioned cooling tower as an example, a ring-shaped reinforcing truss 50 can be arranged inside the link structure formed by the modular building structural unit 10, and one end of the diagonal strut 60 can be connected with the welding node 40 of the modular building structural unit 10, The other end is connected to the reinforcing truss 50 .

The modular building structural unit of the embodiment of the present invention has the advantages of simple structure, convenient production and processing, good stability, high structural strength, small on-site installation workload, convenient installation, high installation accuracy and installation efficiency, and the application of this module The building with the integrated building structural unit 10 has the advantages of lower construction cost and faster assembly speed.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present invention within the spirit and protection scope of the present invention, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present invention.

Claims (10)

1. a modular building structural unit, is characterized in that, comprises: three side trusses, three of which are arranged in a triangle; The middle truss is arranged in the triangular space enclosed by the three side trusses, the middle truss includes one or more triangular truss units, and when the truss unit is one, the three vertices of the truss unit are respectively connected with the side truss, when there are multiple truss units, the three vertices of the truss unit are respectively connected with the side truss or with the vertex of another truss unit, and each of the The side trusses are all connected with the truss units; Three welding nodes are respectively arranged at the vertices of the triangle formed by the three side trusses. 2 . The modular building structural unit according to claim 1 , wherein the three sides of the truss unit are respectively parallel to the three side trusses. 3 . 3. The modular building structural unit according to claim 1, wherein the connection point of the truss unit and the side trusses is located at the bisector point of the side trusses. 4. The modular building structural unit of claim 1, wherein the side trusses are planar trusses. 5 . The modular building structural unit according to claim 4 , wherein the side trusses comprise first and second poles disposed opposite to each other, and are connected to the first and second poles. 6 . Several first connecting beams between the rods. 6. The modular building structural unit according to claim 4, wherein the truss unit comprises a first frame and a second frame arranged oppositely, and is connected between the first frame and the second frame Several second connecting beams between. 7 . The modular building structural unit according to claim 1 , wherein the triangle formed by the three side trusses is an isosceles triangle. 8 . 8 . The modular building structural unit according to claim 1 , wherein a sphere or a tube is provided at the vertex of the triangle formed by the three side trusses to form the welded joint. 9 . 9. A building, characterized by comprising a plurality of modular building structural units according to any one of claims 1-8, wherein a welded joint of one of the modular building structural units is connected to at least one other of the modular building structural units. Welded node connections of modular building structural elements described above. 10 . The building according to claim 9 , wherein a reinforcing truss is provided on one side of the modular building structural unit, and the reinforcing truss and the modular building structural unit are connected by diagonal struts. 11 . .

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