阅读说明：本技术 用于装配式建筑钢结构节点及其建筑 (Be used for assembled building steel construction node and building thereof ) 是由 邱虎 季佳楠 陈杰 于 2021-10-08 设计创作，主要内容包括：本发明提供一种用于装配式建筑钢结构节点及其建筑,包括：结构梁,曲肋设于结构梁内并处于外侧,所述曲肋的两端分别与上下两个横梁固定；止水块填装在处于曲肋处的结构梁内,所述止水块与竖梁和横梁之间围成一个腔室；通孔开设在所述竖梁上；槽体开设在上下两个横梁上；塞体结构带有道通,该塞体结构位于所述腔室内,并正对着所述通孔；初始时,所述塞体结构不与通孔接触,当所述止水块膨胀后,将塞体结构推向通孔并堵住通孔,并填充所述槽体。本发明具有轻质、高强、抗震性能好,构件尺寸小,易装配、施工期短等优点、多种荷载作用下有着良好的受力性能,加劲肋板不仅可以提高承载力,还能保证节点的整体面外变形。(The invention provides a steel structure node for an assembly type building and a building thereof, wherein the steel structure node comprises: the structure beam is provided with a curved rib inside and outside, and two ends of the curved rib are respectively fixed with the upper cross beam and the lower cross beam; the water stop block is filled in the structural beam at the curved rib, and a cavity is formed by the water stop block, the vertical beam and the cross beam; the through hole is formed in the vertical beam; the groove body is arranged on the upper and lower beams; the plug body structure is provided with a channel and is positioned in the cavity and is opposite to the through hole; initially, the plug body structure is not in contact with the through hole, and after the water stop block expands, the plug body structure is pushed to the through hole to block the through hole and fill the groove body. The invention has the advantages of light weight, high strength, good anti-seismic performance, small component size, easy assembly, short construction period and the like, has good stress performance under the action of various loads, and the stiffening rib plates can not only improve the bearing capacity, but also ensure the integral out-of-plane deformation of the node.)

1. A node for an assembled building steel structure, comprising:

the structural beam (1) comprises a vertical beam (2) and cross beams (3) arranged at the upper end and the lower end of the vertical beam (2);

the curved ribs (4) are arranged in the structural beam (1) and positioned on the outer side, and two ends of each curved rib (4) are respectively fixed with the upper cross beam (3) and the lower cross beam (3);

the water stop block (6) is filled in the structural beam (1) at the position of the curved rib (4), and a cavity (7) is enclosed by the water stop block (6) and the vertical beam (2) and the cross beam (3);

the through hole (8) is formed in the vertical beam (2);

the groove bodies (16) are arranged on the upper and lower cross beams (3);

a plug body structure (22) with a passage (11), the plug body structure (22) being located in the chamber (7) and facing the through hole (8);

initially, the plug body structure (22) is not in contact with the through hole (8), and after the water stop block (6) is expanded, the plug body structure (22) is pushed towards the through hole (8) to block the through hole (8) and fill the groove body (16).

2. -fabricated building steel structural joint according to claim 1, characterized in that the curved ribs (4) have integral stiffeners (5) on the cut surfaces, the outer side of the stiffeners (5) being flush with the cut surfaces of the curved ribs (4) and the outer side of the cross beam (3).

3. The fabricated building steel structure node as claimed in claim 1, wherein the water stop block (6) is reserved with a fixing groove (17) matched with the curved rib (4), and the water stop block (6) is mounted on the curved rib (4) through the reserved fixing groove (17).

4. A structural joint for fabricated buildings according to claim 1, characterized in that the plug body structure (22) comprises a plug (9), initially the plug (9) is out of contact with the through hole (8) by a resilient structure.

5. A steel structure node for prefabricated buildings according to claim 4, characterized in that the resilient structure is a spring plate (10), one end of the spring plate (10) is fixed with the vertical beam (2), and the other end is fixed with the chock (9).

6. A node for fabricated building steel structure according to claim 4, characterized in that the resilient structure comprises a rod (12) and a spring (13), the rod (12) is installed in the through hole (8), one end of the spring (13) is fixed with the rod (12) and the other end is fixed with the chock (9).

7. A node for fabricated building steel structure according to claim 1, characterized in that the chamber (7) has an elastomer (14) with micropores (15), the elastomer (14) is in contact with the beam (3), and the elastomer (14) is hollow.

8. A node for fabricated building steel structure according to claim 4, characterized in that the outside opening (24) of the through hole (8) is in a shape of Chinese character 'ba', the channel (11) is arranged on the chock (9), and the outside passage opening (25) of the channel (11) is smaller than the inside passage opening (26).

9. A fabricated building steel structural joint according to claim 1, wherein a reinforcing rod (23) is installed at the inner side of the structural beam (1), and an angle steel (18) with a stiffening rib plate (19) is installed at the upper end of the structural beam (1).

10. An assembled steel structural building, comprising:

the node for fabricated building steel structure of any one of claims 1 to 9;

and the external wall panel (21) is arranged on the outer side of the structural beam (1).

Technical Field

The invention relates to the technical field of building external wall panels, in particular to a steel structure node for an assembly type building and a building thereof.

Background

The steel structure building is more and more favored by architects and builders, the construction period is short, the influence of the external environment is small, the prefabricated external wall panel in the existing assembly type steel structure building is connected with the main structure in an external hanging mode, and the connection node of the prefabricated external wall panel not only ensures the safety and reliability of the external wall panel, but also ensures the deformation coordination between the external wall panel and the main structure. But current steel structure construction: an assembled steel structure external wall panel node such as that disclosed in the publication No. CN206873673U, although it allows the wall panel and the external wall panel to form a firm connection, thereby further improving the stability of the connection and the safety of use. However, it has the following disadvantages: because the outer wall plate is fixed by adding the supporting plate, the load of the supporting beam at the bottom of the supporting frame is larger, the whole supporting frame is easy to deform, and the defect that a heat bridge is easy to generate between the outer wall plate and the outer side (horizontal seam) of the supporting frame to influence the heat preservation effect exists. And also there is some problem of solving and easily producing the heat bridge among prior art, but generally all adopt the heated board to paste together with outer wallboard admittedly, relatively fixed between the two, though can slow down the skilful problem of heat, because the heated board separates to keep off and makes easily to corrode between heated board and the outer wallboard for a long time.

Disclosure of Invention

The invention aims to provide a steel structure node for an assembly type building and a building thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a node for fabricated construction steel structure, comprising:

the structural beam comprises a vertical beam and cross beams arranged at the upper end and the lower end of the vertical beam;

the curved ribs are arranged in the structural beam and positioned on the outer side, and two ends of each curved rib are respectively fixed with the upper cross beam and the lower cross beam;

the water stop block is filled in the structural beam at the curved rib, and a cavity is formed by the water stop block, the vertical beam and the cross beam;

the through hole is formed in the vertical beam;

the groove bodies are arranged on the upper cross beam and the lower cross beam;

a plug body structure with a channel, the plug body structure being located in the chamber and facing the through hole;

initially, the plug body structure is not in contact with the through hole, and after the water stop block expands, the plug body structure is pushed to the through hole to block the through hole and fill the groove body.

Preferably, the tangent plane of the curved rib is provided with an integrated reinforcing rib, and the outer side face of the reinforcing rib is flush with the tangent plane of the curved rib and the outer side edge of the cross beam.

Preferably, a fixing groove matched with the curved rib is reserved on the water stop block, and the water stop block is mounted on the curved rib through the reserved fixing groove.

Preferably, the plug body structure comprises a plug, and initially, the plug is not in contact with the through hole through the resilient structure.

Preferably, the rebounding structure is an elastic sheet, one end of the elastic sheet is fixed with the vertical beam, and the other end of the elastic sheet is fixed with the chock block.

Preferably, the rebounding structure comprises a rod and a spring, the rod is installed in the through hole, one end of the spring is fixed to the rod, and the other end of the spring is fixed to the chock block.

Preferably, the cavity is internally provided with a micropore elastomer, the elastomer is in contact with the cross beam, and the elastomer is hollow.

Preferably, the outer opening of the through hole is in a shape of a Chinese character 'ba', the channel is in a shape of a circular truncated cone and is arranged on the chock block, and the outer passage opening is smaller than the inner passage opening.

Preferably, the inner side of the structural beam is provided with a reinforcing rod, and the upper end of the structural beam is provided with angle steel with a reinforcing rib plate.

In order to achieve the above purpose, the invention also provides the following technical scheme:

an assembled steel structural building comprising:

the node for the fabricated building steel structure as described in any one of the above;

and the external wall panel is arranged on the outer side of the structural beam.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the reinforcing ribs apply force to the curved ribs, so that the flexural strength of the upper and lower beams is indirectly improved, the outer side strength of the structural beam is enhanced, and meanwhile, the upper and lower beams can bear load and can be balanced because the reinforcing ribs are positioned on the tangent planes of the curved ribs, thereby reducing the risk of deformation of the two beams due to load. The stiffness of the curved ribs can be directly increased by arranging the reinforcing ribs, and the joint acting force of the shearing force and the pulling force of the bolts matched with the reinforcing ribs is reduced. The water stop block can be repeatedly expanded and contracted, one side of the water stop block is tightly attached to the external wall panel, no gap is ensured between the water stop block and the external wall panel, the water stop block is used for preventing water and moisture, a heat bridge is not generated at the joint of the horizontal seams, the phenomenon of bacteria growth and mildew generation caused by the heat bridge is avoided, and meanwhile, the heat insulation effect of the whole external wall enclosure system is enhanced. The stability and the safety of use of whole structure roof beam are improved through setting up stiffener, stiffening rib board etc.. On the basis of ensuring the stability and safety of the whole structure, the reinforced rib plate has the advantages of light weight, high strength, good anti-seismic performance, small component size, easiness in assembly, short construction period and the like, has good stress performance under the action of various loads, can improve the bearing capacity, and can also ensure the whole out-of-plane deformation of the node.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic view of the water stop block of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the curved rib and the water stop block of embodiment 1 of the present invention;

FIG. 4 is a schematic sectional view of an elastomer according to example 1 of the present invention;

FIG. 5 is a schematic view of the structure of the present invention in which the water stop block at A is pushed toward the through hole;

FIG. 6 is a schematic view of the plug of FIG. 5 with the through hole plugged;

FIG. 7 is a schematic view of a chock of embodiment 1 of the invention;

FIG. 8 is a schematic view of a stopper structure according to embodiment 2 of the present invention;

FIG. 9 is a schematic view of the plug of FIG. 8 with the through hole plugged;

FIG. 10 is a schematic view of a rod in a through hole according to example 2 of the present invention.

In the figure: 1 structural beam, 2 vertical beams, 3 transverse beams, 4 curved ribs, 5 reinforcing ribs, 6 water stop blocks, 7 chambers, 8 through holes, 9 plug blocks, 10 elastic sheets, 11 channels, 12 rods, 13 springs, 14 elastic bodies, 15 micropores, 16 grooves, 17 fixing grooves, 18 angle steel, 19 stiffening rib plates, 20 bolts, 21 external wall plates, 22 plug body structures, 23 reinforcing rods, 24 outer side openings, 25 outer side passage openings and 26 inner side passage openings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1 to 7, the present invention provides a technical solution:

a node for fabricated construction steel structure, comprising:

the structure beam 1 comprises a vertical beam 2 and cross beams 3 arranged at the upper end and the lower end of the vertical beam 2;

the curved rib 4 is arranged in the structural beam 1 and positioned at the outer side, and two ends of the curved rib 4 are respectively fixed with the upper cross beam 3 and the lower cross beam 3, as shown in fig. 1, in the embodiment, for convenience of understanding, one side of the structural beam 1 where the external wall panel 21 is installed is the outer side, and the side corresponding to the outer side is the inner side;

the water stop block 6 is filled in the structural beam 1 at the curved rib 4, and a cavity 7 is defined by the water stop block 6, the vertical beam 2 and the cross beam 3;

the through hole 8 is formed in the vertical beam 2;

the groove bodies 16 are arranged on the upper and lower cross beams 3;

a plug body structure 22 with a passage 11, the plug body structure 22 being located in the chamber 7 and facing the through hole 8;

initially, the plug body structure 22 is not in contact with the through hole 8, and after the water stop block 6 is expanded, the plug body structure 22 is pushed toward the through hole 8 and blocks the through hole 8, and fills the tank body 16.

Specifically, the tangent plane of the curved rib 4 is provided with an integrated reinforcing rib 5, and the outer side surface of the reinforcing rib 5 is flush with the tangent plane of the curved rib 4 and the outer side edge of the cross beam 3. As shown in fig. 1 or 3, since the external wall panel 21 is required to be installed on one side of the structural beam 1 in this embodiment, the outer side of the structural beam 1 is subjected to various loads: dead weight loads, wind loads, and seismic loads.

The load that receives directly transmits especially two crossbeams 3 on structural beam 1, the bearing is great in the crossbeam 3 outside, so through setting up curved rib 4 and strengthening rib 5 thereof, after installing side fascia 21, through strengthening rib 5 to curved rib 4 application of force, the indirect flexural strength who makes two crossbeams 3 from top to bottom obtains improving, thereby make structural beam 1's outside intensity strengthened, simultaneously because strengthening rib 5 is located curved rib 4's tangent plane, two crossbeams 3 can the bearing can keep balanced from top to bottom, the risk that makes two crossbeams 3 take place the deformation because of the load has been reduced. The stiffness of the curved rib 4 can be directly increased by arranging the reinforcing rib 5, and the combined action force of the shearing force and the pulling force of the bolt 20 equipped with the reinforcing rib is reduced.

Specifically, a fixing groove 17 matched with the curved rib 4 is reserved on the water stop block 6, and the water stop block 6 is mounted on the curved rib 4 through the reserved fixing groove 17. After the water stop block 6 is installed in this embodiment, the two sides of the corresponding structural beam 1 are sealed by FC plates, so that the water stop block 6 is located in a sealed space surrounded by four sides, the external wall plate 21 is fixed on the outer side of the structural beam 1 by the bolts 20, and then the water stop block 6 is filled between the structural beam 1 and the external wall plate 21, as shown in fig. 3, the water stop block 6 can be clamped by the fixing groove 17 formed in the water stop block 6, so as to be fixed on the curved rib 4.

Specifically, the chamber 7 is provided with an elastic body 14 with micropores 15, the elastic body 14 is in contact with the cross beam 3 or the water stop block 6, and the elastic body 14 is hollow. In this embodiment, water stop 6 preferably uses water-swelling polyurethane elastomer, can repeat the inflation, can guarantee the circulation that absorbs water the inflation repeatedly, dewater and recover simultaneously in the application, realizes long-term stagnant water effect.

As shown in figure 1, the volume of the water stop block 6 is smaller than the volume of the cavity outside the structural beam 1 at the initial time, a distance is reserved between the water stop block 6 and the vertical beam 2, the water stop block 6 and the vertical beam 2 and the cross beam 3 enclose a chamber 7, the chamber 7 is used for providing space when the water stop block 6 expands in the presence of water, providing space for installing the elastic body 14 and the plug body structure 22, and simultaneously providing a drying space for accelerating dehydration of the water stop block 6. Considering that the expansion volume of the water stop block 6 is larger, the elastic body 14 can be selected to be in contact with or not in contact with the water stop block 6, and due to the arrangement of the groove body 16, the water stop block 6 can be filled in the groove body 16 when being expanded, and the moisture resistance and the contact tightness of the water stop block 6 and the external wall panel 21 can be further ensured.

Specifically, the plug body structure 22 comprises a plug 9, and initially, the plug 9 is not in contact with the through hole 8 through a rebound structure. The resilience structure is an elastic sheet 10, one end of the elastic sheet 10 is fixed with the vertical beam 2, and the other end of the elastic sheet is fixed with the chock 9. The channel 11 is arranged on the chock block 9, the outer opening 24 of the through hole 8 is in a shape of Chinese character 'ba', and the outer passage opening 25 of the channel 11 is smaller than the inner passage opening 26.

As shown in fig. 5 to 7, at the beginning, stagnant water piece 6 does not meet water inflation, this moment chock 9 and through-hole 8 between have the interval and contactless, meet water inflation when stagnant water piece 6, stagnant water piece 6 is close to one side of erecting roof beam 2 and pushes chock 9 to through-hole 8, block up through-hole 8 until chock 9, one side that perpendicular roof beam 2 was kept away from to stagnant water piece 6 simultaneously pastes tightly with exterior wallboard 21, guarantee there is not the space between the two, be used for dampproofing and waterproofing, guarantee that the horizontal seam junction does not produce the heat bridge, avoid the long fungus mildew phenomenon because of the heat bridge produces, whole outer wall enclosure system heat preservation effect has been strengthened simultaneously. After the water stop block 6 is contracted, the plug body structure 22 is not contacted with the through hole 8, and the water stop block 6 is not filled in the groove body 16. Because the inside and outside both sides temperature difference's of structural beam 1 reason, when the inboard temperature is higher, is higher than the outside or air mobility is great, the air is through leading to 11 with through-hole 8 UNICOM to stagnant water piece 6 effect, makes stagnant water piece 6 lose water gradually, can make stagnant water piece 6 shrink until shell fragment 10 effort can break away from the contact with chock 9 and through-hole 8.

As shown in fig. 4, in order to accelerate the shrinkage of the waterproof block 6, the elastic body 14 is adopted in the present embodiment, the shrinkage of the waterproof block 6 is assisted by elastic force, and the elastic body 14 is provided with the micropores 15, so that the expansion and shrinkage effects of the elastic body 14 are good, and in the present embodiment, the elastic body 14 can be made of hydrophobic rubber or silica gel with good elastic force, and is preferably oval. As shown in fig. 5 to 6, the outer opening 24 of the through-hole 8 has a shape of "eight" so that a part of the plunger 9 can be well caught in the outer opening 24. As shown in fig. 7, the outer passage opening 25 of the passage 11 is smaller than the inner passage opening 26, so that the waterproof and moistureproof performance can be ensured. In this embodiment, in order to accelerate the shrinkage of the water stop block 6, external equipment such as circulating hot air may be introduced into the through hole 8 to dry and dewater the water stop block 6.

Specifically, a reinforcing rod 23 is installed on the inner side of the structural beam 1, and an angle steel 18 with a reinforcing rib plate 19 is installed at the upper end of the structural beam 1. As shown in fig. 2, since the external wall panel 21 is installed on the outer side of the structural beam 1 by means of the bolt 20, as a load bearing side, stability and safety of the entire structural beam 1 are improved by providing the reinforcing bar 23, the reinforcing rib 19, and the like.

Example 2:

referring to fig. 8 to 10, the present invention provides a technical solution, which is basically the same as embodiment 1, but slightly different:

the resilience structure comprises a rod 12 and a spring 13, wherein the rod 12 is installed in the through hole 8, one end of the spring 13 is fixed with the rod 12, and the other end of the spring is fixed with the chock block 9. At first, stagnant water piece 6 does not meet water inflation, this moment have interval and contactless between chock 9 and the through-hole 8, meet water inflation when stagnant water piece 6, stagnant water piece 6 is close to one side of erecting roof beam 2 and pushes chock 9 to through-hole 8, block up through-hole 8 until chock 9, stagnant water piece 6 keeps away from one side of erecting roof beam 2 simultaneously and pastes tightly with side fascia 21, because the inside and outside both sides temperature difference's of structure roof beam 1 reason, when inboard temperature is higher, be higher than the outside or when air mobility is great, the air leads to 11 effects to stagnant water piece 6 through the way with through-hole 8 UNICOM, make stagnant water piece 6 lose water gradually, can make stagnant water piece 6 shrink until spring 13 effort can break away from the contact with chock 9 and through-hole 8.

The invention also provides an assembly type steel structure building, which comprises any one of the steel structure nodes for the assembly type building; and an external wall panel 21 installed at an outer side of the structural beam 1 serving as the prefabricated building steel structural node.

The detailed structure of the steel structure node for the assembly type building can refer to the embodiment and is not described again; it can be understood that, because the steel structure node for the assembly type building is used in the assembly type steel structure building, the embodiment of the assembly type steel structure building of the present invention includes all the technical solutions of all the embodiments of the steel structure node for the assembly type building, and the achieved technical effects are also completely the same, and are not described herein again.

The invention, the remaining parts not described, are the same as, or known or realizable by the prior art and will not be described in detail here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.