CN203361327U

CN203361327U - Suspended portal rigid frame structure with adjustable supporting rod

Info

Publication number: CN203361327U
Application number: CN 201320401236
Authority: CN
Inventors: 刘凯; 王春娇; 王志敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-08
Filing date: 2013-07-08
Publication date: 2013-12-25
Anticipated expiration: 2023-07-08

Abstract

The utility model discloses a suspended portal rigid frame structure with an adjustable supporting rod. The rigid frame structure is composed of a body structure, a suspended part and a supporting rod part. The rigid frame structure is characterized in that the body structure comprises variable cross-section H-shaped steel columns and variable cross-section H-shaped steel beams; a steel tie rod is adopted in the suspended part, and the steel tie rod, the body structure and the supporting rod part are connected through lug plates; the supporting rod part is composed of an upper section steel tube, a lower section steel tube, a stiffening rib, a connecting plate, a head plate, an upper section punching connecting plate, a high-strength bolt, a sleeve, a lower section punching connecting plate and a sealing tube, wherein the upper end of the upper section steel tube and the beams of the body structure are welded by the connecting plate with the stiffening rib, the two lug plates are welded at the lower end of the lower section steel tube and connected with the steel tie rod of the suspended part, and the head plate is welded at the lower end of the lower section steel tube. On the basis of an existing portal rigid frame structure, the adjusting supporting rod and the tie rod are additionally arranged, the mid span deflection and the column head bending moment are reduced by applying prestress, the bearing capacity of the structure is improved, the structural rigidity is increased, and therefore steel consumption of whole engineering is reduced; tension construction of the tie rod can be conducted through the adjusting supporting rod, and the suspended portal rigid frame is easy and convenient to use, and has high economic benefits and social benefits.

Description

String with adjustable support rod props up portal frame structure

Technical field

The utility model belongs to technical field of buildings, relates in particular to the Light-weight Gabled Frames structure that a kind of warehouse or chemical industry, spinning and weaving workshop are used.

Background technology

Conventional Light-weight Gabled Frames structure is adopted by structural system widely as workshop, in Light-weight Gabled Frames structural system, its economic span is at 18m ~ 36m, if while surpassing the 36m span, steel using amount can have increase, if recur in addition, in economic span, eaves height is higher, and its steel using amount also can increase in large quantities.

The utility model patent utilization string props up the characteristics of structure, adds lower edge and connect lower edge with strut under conventional Light-weight Gabled Frames structural beams, makes beam form string and props up the lattice beam.Apply prestressing force by the length that increases strut.Can reduce mid-span deflection and column cap moment of flexure by applying prestressing force, improve the bearing capacity of structure, increase the rigidity of structure.Can increase the span of structure or reduce steel using amount under the condition of identical cost under the condition of identical span like this, reduce cost, reach the purpose of low-carbon (LC).

Summary of the invention

The utility model is intended to reduce cost and string Zhi Mengang structure that a kind of easy construction is provided.

For achieving the above object, the utility model is achieved in that a kind of string with adjustable support rod props up portal frame structure, by the agent structure chord prop up the part and strut part three parts form, wherein agent structure comprises variable section H-type steel post and variable section H-type steel beam.String props up part and adopts reinforcing pull rod, and reinforcing pull rod is connected with employing otic placode between agent structure and supporting rod part divide.Strut part is comprised of epimere steel pipe, hypomere steel pipe, stiffening rib, junction plate, head plate, epimere punch junction plate and the tube sealing of junction plate, high-strength bolt, sleeve, hypomere that punch, junction plate with stiffening rib welding for epimere steel pipe upper end and agent structure beam, two otic placodes of hypomere steel pipe lower end welding, otic placode is connected with the reinforcing pull rod that string props up part, hypomere steel pipe lower end welding head plate, the middle epimere the punched junction plate welding that punches for epimere steel pipe lower end, high-strength bolt is through hole, nut part and the epimere junction plate that punches welds, the nut part is in the epimere steel duct, sleeve is tightened against the epimere steel pipe epimere junction plate place that punches, the hypomere steel pipe upper end welding hypomere junction plate that punches, high-strength bolt is through the hypomere junction plate hole that punches, punch junction plate and sleeve of hypomere held out against, after agent structure, pull bar and strut install, by turnbarrel, make bolt screw out sleeve, screw out after the length of setting at punch junction plate and hypomere of epimere and punch between junction plate and weld tube sealing.

The utility model citation form can have a strut, two struts or several form of structure of a plurality of strut; Can on single span, implement also can on multispan, implement; Pull bar can adopt round steel or steel cable.

The invention effect:

1, the utility model increases reinforcing pull rod and strut on existing portal frame structure, by increasing strut length, applies prestressing force, has reduced mid-span deflection and column cap moment of flexure, has improved the bearing capacity of structure, has increased the rigidity of structure.

2, the utility model has reduced integrally-built steel using amount; This structure node is simple, and material usage economy is stressed clear and definite, easy construction.

3, the new structure the utility model proposes is specially adapted to the Large-span Portal Frame structure.

the accompanying drawing explanation:

Fig. 1 is embodiment 1 structural representation,

Fig. 2 is that the string in Fig. 1 props up the part schematic diagram,

Fig. 3 is the strut part schematic diagram in Fig. 1,

Fig. 4 is epimere steel pipe schematic diagram in Fig. 3,

Fig. 5 is hypomere steel pipe schematic diagram in Fig. 3,

Fig. 6 is stiffening rib schematic diagram in Fig. 3,

Fig. 7 is junction plate schematic diagram in Fig. 3,

Fig. 8 is head plate schematic diagram in Fig. 3,

Fig. 9 is the epimere junction plate schematic diagram that punches in Fig. 3,

Figure 10 is high-strength bolt schematic diagram in Fig. 3,

Figure 11 is Fig. 3 middle sleeve schematic diagram,

Figure 12 is the hypomere junction plate schematic diagram that punches in Fig. 3,

Figure 13 is tube sealing schematic diagram in Fig. 3,

In figure: steel column 1, girder steel 2, reinforcing pull rod 3, otic placode 4, epimere steel pipe 5, hypomere steel pipe 6, stiffening rib 7, junction plate 8, head plate 9, epimere punch junction plate 10, high-strength bolt 11, sleeve 12, hypomere punch junction plate 13, tube sealing 14.

The specific embodiment

Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically to embodiment 1

In the embodiment in figure 1, being a kind of novel portal frame structure---the string that band is regulated strut props up portal frame structure

As shown in Figure 1, comprise that the agent structure chord props up part and strut part three parts form, wherein agent structure comprises variable section H-type steel post 1 and variable section H-type steel beam 2.Adopt traditional connected mode between post 1 and beam 2 and between beam 2.String props up part and adopts reinforcing pull rod 3, and reinforcing pull rod 3 is connected with employing otic placode 4 between agent structure and supporting rod part divide.Strut part is comprised of epimere steel pipe 5, hypomere steel pipe 6, stiffening rib 7, junction plate 8, head plate 9, epimere punch junction plate 13 and the tube sealing 14 of junction plate 10, high-strength bolt 11, sleeve 12, hypomere that punch, junction plate 8 welding with stiffening rib 7 for epimere steel pipe 5 upper ends and agent structure beam, two otic placodes 4 of hypomere steel pipe 6 lower end welding, otic placode 4 is connected with the reinforcing pull rod 3 that string props up part, hypomere steel pipe 6 lower end welding head plates 9, the middle epimere punched junction plate 10 welding that punch for epimere steel pipe 5 lower ends, high-strength bolt 11 is through hole, nut part and the epimere junction plate 10 that punches welds, the nut part is in epimere steel pipe 5 inside, sleeve 12 is tightened against epimere steel pipe 5 epimeres junction plate 10 places that punch, the hypomere steel pipe 6 upper ends welding hypomeres junction plate 13 that punches, high-strength bolt 11 is through hypomere junction plate 13 holes that punch, punch junction plate 13 of hypomere is held out against with sleeve 12, after agent structure, pull bar and strut install, by turnbarrel 12, make bolt screw out sleeve, screw out after the length of setting at epimere junction plate 10 and hypomere 13 the welding tube sealings 14 of junction plate that punch that punch.

Embodiment 2

As shown in Figure 1, comprise that the agent structure chord props up part and strut part three parts form, wherein agent structure comprises uniform section steel I-column 1 and uniform section steel I-beam 2.Adopt traditional connected mode between post 1 and beam 2 and between beam 2.Other structure is identical with embodiment 1.

Claims

1. the string with adjustable support rod props up portal frame structure, by the agent structure chord prop up the part and strut part three parts form, it is characterized in that: wherein agent structure comprises variable section H-type steel post and variable section H-type steel beam, string props up part and adopts reinforcing pull rod, and reinforcing pull rod is connected with employing otic placode between agent structure and supporting rod part divide, strut part is comprised of epimere steel pipe, hypomere steel pipe, stiffening rib, junction plate, head plate, epimere punch junction plate and the tube sealing of junction plate, high-strength bolt, sleeve, hypomere that punch, junction plate with stiffening rib welding for epimere steel pipe upper end and agent structure beam, two otic placodes of hypomere steel pipe lower end welding, otic placode is connected with the reinforcing pull rod that string props up part, hypomere steel pipe lower end welding head plate, the middle epimere the punched junction plate welding that punches for epimere steel pipe lower end, high-strength bolt is through hole, nut part and the epimere junction plate that punches welds, the nut part is in the epimere steel duct, sleeve is tightened against the epimere steel pipe epimere junction plate place that punches, the hypomere steel pipe upper end welding hypomere junction plate that punches, high-strength bolt is through the hypomere junction plate hole that punches, punch junction plate and sleeve of hypomere held out against, after agent structure, pull bar and strut install, by turnbarrel, make bolt screw out sleeve, screw out after the length of setting at punch junction plate and hypomere of epimere and punch between junction plate and weld tube sealing.