CN222044443U - Steel construction vestibule with weak constraint support - Google Patents

Abstract

The utility model discloses a steel structure corridor with a weak constraint support, which comprises a first concrete column and a second concrete column which are respectively arranged at one side of two buildings; the bracket component comprises a first bracket arranged on one side of the first concrete column and a second bracket arranged on one side of the second concrete column; a steel beam assembly located between the first concrete column and the second concrete column; one end of the steel beam component is in sliding connection with the first bracket through the sliding part, and the other end of the steel beam component is in fixed connection with the second bracket through the fixing part. According to the utility model, one end of the steel beam component is in sliding connection with the first bracket through the sliding part, and the other end of the steel beam component is fixedly connected with the second bracket through the fixing part; the flexible weak constraint function is generated on the steel beam assembly, and the earthquake action transmission amplitude of the corridor to two connected buildings under the earthquake action is reduced, so that adverse effects on the buildings and damage to the corridor are avoided.

Description

Steel construction vestibule with weak constraint support

Technical Field

The utility model relates to the technical field of steel structure corridors, in particular to a steel structure corridors with weak constraint supports.

Background

The corridor can connect two buildings, provides convenient traffic functions for the two buildings, and has a certain function of building beautification. The corridor structure in the prior art comprises two forms of concrete and a steel structure, and the steel structure corridor is more suitable for a large-span structure due to light weight and high strength. However, as the rigidity of the two buildings may be different, if both ends of the steel structure corridor are fixedly connected with the buildings, the two buildings can be mutually influenced when earthquake action occurs; thus, the steel structure corridor fixedly connected with two buildings can have adverse effects on the buildings, and the corridor is also easily damaged.

In view of the above, it is desirable to provide a steel structure gallery with a weakly constrained support to address the above-described technical problems.

Disclosure of utility model

The utility model mainly aims to provide a steel structure corridor with a weak constraint support, which solves the technical problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a steel construction vestibule with weak constraint support, includes first concrete column and the second concrete column that sets up respectively in two building one sides, its characterized in that, steel construction vestibule with weak constraint support still includes:

The bracket assembly comprises a first bracket arranged on one side of the first concrete column and a second bracket arranged on one side of the second concrete column;

The steel beam assembly is positioned between the first concrete column and the second concrete column; one end of the steel beam component is in sliding connection with the first bracket through the sliding part, and the other end of the steel beam component is in fixed connection with the second bracket through the fixing part.

As a further improvement of the present utility model, the sliding portion includes:

the embedded assembly is embedded in the first bracket and the first concrete column;

The weak constraint support assembly is connected with the first bracket and the first concrete column through the embedded assembly;

and the limiting assembly is arranged on one side, far away from the first concrete column, of the weak constraint support assembly, so that one end of the steel beam assembly is limited.

As a further improvement of the utility model, the embedded assembly comprises an embedded rib embedded in the first bracket and a first embedded bolt embedded in the first concrete column.

As a further improvement of the utility model, the weak constraint support assembly comprises a support base plate fixedly connected with the embedded ribs and positioned at the upper end of the first bracket, a support end plate fixed on the first concrete column through the first embedded bolts, and two support side plates positioned at two sides of the top end of the support base plate; the support bottom plate, the support end plate and the two support side plates form a sliding cavity.

As a further improvement of the utility model, the limiting component comprises two baffles which are respectively and fixedly connected with the two support side plates, a first gap is arranged between the side walls of the two baffles, and a second gap is arranged between the bottom walls of the two baffles and the support bottom plate.

As a further improvement of the utility model, the steel beam assembly comprises an i-beam positioned between the first concrete column and the second concrete column, one end of the i-beam is provided with a steel beam end plate, and the steel beam end plate is positioned in the sliding cavity.

As a further improvement of the utility model, the fixing part comprises a second embedded bolt embedded in the second bracket and a base plate positioned at the upper end of the second bracket; and the second embedded bolt penetrates through the base plate to fix the other end of the I-shaped steel beam on the second bracket.

As a further improvement of the utility model, the weakly constrained support assembly further comprises weakly constrained slip units positioned at two ends of the steel beam end plate, wherein the weakly constrained slip units comprise at least two first elastic limiting pieces positioned between the support end plate and the steel beam end plate; one end of the first elastic limiting piece is fixedly connected with the support end plate, and the other end of the first elastic limiting piece is fixedly connected with one side of the steel beam end plate.

As a further improvement of the utility model, the weakly constrained slip unit further comprises at least two second elastic limiting members positioned between the steel beam end plate and the two baffles; one end of each second elastic limiting piece is fixedly connected with the corresponding baffle, and the other end of each second elastic limiting piece is freely arranged.

As a further improvement of the utility model, one end of the i-shaped steel beam is positioned between the two second elastic limiting pieces and can slide in the first gap and the second gap.

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

According to the utility model, one end of the steel beam component is in sliding connection with the first bracket through the sliding part, and the other end of the steel beam component is fixedly connected with the second bracket through the fixing part; the flexible weak constraint function is generated on the steel beam assembly, and the earthquake action transmission amplitude of the corridor to two connected buildings under the earthquake action is reduced, so that adverse effects on the buildings and damage to the corridor are avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of a steel structure gallery with a weakly constrained support of the present utility model;

FIG. 2 is a side view of a glide having a weakly constrained mount of the present utility model;

FIG. 3 is a side view of the embedment assembly of FIG. 1 in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of the embedded assembly of FIG. 1 according to the present utility model;

FIG. 5 is an exploded view of the weakly-constrained support assembly of FIG. 1 in accordance with the present utility model;

FIG. 6 is a cross-sectional view of FIG. 1, A-A, according to the present utility model;

FIG. 7 is a schematic view of the weakly-constrained support assembly of FIG. 2 in accordance with the present utility model.

FIG. 8 is a side view of the securing portion of FIG. 1 in accordance with the present utility model;

Fig. 9 is a schematic structural view of the fixing portion in fig. 8 according to the present utility model.

The figure shows: 100. a first concrete column; 200. a second concrete column; 300. a first bracket; 400. a second bracket; 500. a steel beam assembly; 510. an I-shaped steel beam; 520. a steel beam end plate; 600. pre-burying the assembly; 610. pre-burying ribs; 620. a first embedded bolt; 700. a weakly constrained mount assembly; 710. a support base plate; 720. a support end plate; 730. a support side plate; 740. a weakly constrained slip unit; 741. a first elastic limiting piece; 742. the second elastic limiting piece; 800. a limit component; 810. a baffle; 900. a fixing part; 910. the second embedded bolt; 920. a backing plate.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The terms "first," "second," "third," and the like in this disclosure are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first," "second," and "third" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, back … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indication changes accordingly. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

As shown in fig. 1, the present embodiment provides a steel structure gallery with a weak constraint support, including a first concrete column 100 and a second concrete column 200 respectively provided at one side of two buildings; the steel structure gallery with weakly constrained support also includes: the bracket assembly comprises a first bracket 300 arranged on one side of the first concrete column 100 and a second bracket 400 arranged on one side of the second concrete column 200; a steel beam assembly 500 located between the first concrete column 100 and the second concrete column 200; one end of the steel beam assembly 500 is slidably connected to the first bracket 300 through a sliding portion, and the other end of the steel beam assembly 500 is fixedly connected to the second bracket 400 through a fixing portion 900.

In the prior art, two buildings are connected and provide a steel structure corridor with traffic functions, and as the two ends of the steel structure corridor are fixedly connected with the buildings, the two buildings can mutually influence when earthquake acts; thus, the steel structure corridor fixedly connected with two buildings can have adverse effects on the buildings, and the corridor is also easily damaged. One end of the steel beam assembly 500 is slidably connected with the first bracket 300 through the sliding part, and the other end of the steel beam assembly 500 is fixedly connected with the second bracket 400 through the fixing part 900; the flexible weak constraint function is generated on the steel beam assembly 500, and the earthquake action transmission amplitude of the corridor to two connected buildings under the earthquake action is reduced, so that adverse effects on the buildings and damage to the corridor are avoided.

Preferably, as shown in fig. 1 and 2, the slip part includes: the embedded assembly 600, the weak restraint support assembly 700 and the limiting assembly 800 are embedded in the first bracket 300 and the first concrete column 100. The weak constraint support assembly 700 is connected with the first bracket 300 and the first concrete column 100 through the embedded assembly 600; the limiting assembly 800 is disposed at a side of the weak constraint bracket assembly 700 remote from the first concrete column 100 to limit one end of the steel beam assembly 500.

Specifically, by disposing the weak restraint support assembly 700 at one end of the steel beam assembly 500, the steel beam assembly 500 can slide in the sliding portion, so as to generate a flexible weak restraint effect on the steel beam assembly 500, and reduce the transmission amplitude of the earthquake effect of the corridor to the two connected buildings under the earthquake effect.

Preferably, as shown in fig. 3 and 4, the pre-buried assembly 600 includes a pre-buried rib 610 buried in the first bracket 300, and a first pre-buried bolt 620 buried in the first concrete column 100.

Specifically, the pre-buried ribs 610 are buried in the first bracket 300 in advance, and the top of the pre-buried ribs 610 is exposed out of the first bracket 300; the first embedded bolt 620 is embedded in the first concrete column 100 in advance, and the top of the first embedded bolt 620 is exposed outside the first concrete column 100.

Preferably, as shown in fig. 4 and 5, the weak constraint support assembly 700 includes a support base plate 710 fixedly connected to the pre-buried bar 610 and located at the upper end of the first bracket 300, a support end plate 720 fixed to the first concrete column 100 by a first pre-buried bolt 620, and two support side plates 730 located at both sides of the top end of the support base plate 710; the pedestal bottom plate 710, the pedestal end plate 720, and the two pedestal side plates 730 form a sliding chamber.

Specifically, the support base plate 710 is a rectangular steel plate welded to the top ends of the embedded bars 610; the support end plate 720 is also a rectangular steel plate, and is fixed on the first concrete column 100 through a first embedded bolt 620; the bottom of pedestal end plate 720 is welded to the top of pedestal bottom plate 710. The two support side plates 730 are also rectangular steel plates, and are welded to the two sides of the top of the support bottom plate 710 respectively; at the same time, the joint between the support end plate 720 and the two support side plates 730 is also welded firmly. Thus, the weak restraint bracket assembly 700 is secured to the first bracket 300 and the first concrete column 100, and the bracket bottom plate 710, the bracket end plate 720, and the two bracket side plates 730 form a cavity.

Preferably, as shown in fig. 5, 6 and 7, the limiting assembly 800 includes two baffles 810, the two baffles 810 are fixedly connected with two support side plates 730, a first gap is formed between the side walls of the two baffles 810, and a second gap is formed between the bottom wall of the two baffles 810 and the support bottom plate 710.

Specifically, the baffle 810 has an L-shaped cross section, and is fixed to the inner sides of the two support side plates 730 by bolts, respectively, for preventing the i-steel beam 510 from being punched out of the weak constraint support assembly 700 under the action of a large earthquake. The top of the baffle 810 is flush with the top of the support side plate 730, a second gap is reserved between the bottom end of the baffle 810 and the support bottom plate 710, and a first gap is reserved between the two opposite baffles 810, so that the lower flange of the I-shaped steel beam 510 can slide in the second gap, the upper flange of the I-shaped steel beam 510 is positioned at the upper ends of the two baffles 810, and the web of the I-shaped steel beam 510 can slide in the first gap; therefore, the I-shaped steel beam 510 has a certain degree of freedom in the transverse direction, the restraining effect of the weak restraint support assembly 700 is reduced, and the shock damage of the steel structure corridor and the building connected with the corridor is reduced.

Preferably, as shown in fig. 5, 6 and 7, the girder assembly 500 includes an i-beam 510 between the first concrete column 100 and the second concrete column 200, one end of the i-beam 510 is provided with a girder end plate 520, and the girder end plate 520 is located in the sliding chamber.

Specifically, the i-beam 510 serves as a bottom support structure for connecting the galleries of two buildings, and the i-beam 510 has flanges and a web (the upper and lower parallel plates are flange plates, and the plate located in the middle of the flange plates is the web). The section width of the i-beam 510 is smaller than the clear distance between the two support side plates 730, and the section width and the height of the i-beam end plate 520 are the same as the section width and the height of the i-beam 510.

Preferably, as shown in fig. 5, 6 and 7, the weak constraint bracket assembly 700 further includes weak constraint slip units 740 at both ends of the steel beam end plate 520, the weak constraint slip units 740 including at least two first elastic stoppers 741 between the bracket end plate 720 and the steel beam end plate 520; one end of the first elastic limiting piece 741 is fixedly connected with the support end plate 720, and the other end of the first elastic limiting piece 741 is fixedly connected with one side of the steel beam end plate 520.

Specifically, the first elastic limiting members 741 are springs, at least two, and two ends of each spring are welded with the support end plate 720 and the steel beam end plate 520 respectively, so that the first elastic limiting members 741 can provide a buffering effect in both the pulling state and the pressing state.

Preferably, as shown in fig. 5, 6 and 7, the weak constraint skid 740 further comprises at least two second elastic stoppers 742 between the steel beam end plate 520 and the two baffles 810; one end of each second elastic limiting piece 742 is fixedly connected with the corresponding baffle 810, and the other end of each second elastic limiting piece 742 is freely arranged.

Specifically, the second elastic limiting members 742 are also springs, at least two, one end of each second elastic limiting member is welded on the inner sides of the two baffles 810, and the other end of each second elastic limiting member is free, so that the second elastic limiting members 742 do not act in small and medium shocks and act as limiting and buffering effects in large shocks.

The spring has the advantages that sudden load transfer during vibration is avoided, the load can be slowly increased, and the buffering effect is achieved.

Preferably, as shown in fig. 6, one end of the i-beam 510 is located between two second elastic stoppers 742 and is slidable in the first and second gaps. Thereby generating weak restraining forces.

Preferably, as shown in fig. 8 and 9, the fixing portion 900 includes a second embedded bolt 910 embedded in the second bracket 400, and a pad 920 located at an upper end of the second bracket 400; the second pre-buried bolts 910 pass through the backing plates 920 to fix the other ends of the i-steel beams 510 to the second brackets 400.

Specifically, the second embedded bolt 910 passes through the backing plate 920 to fix the lower flange of the other end of the i-beam 510 to the second bracket 400. Thus, one end of the i-beam 510 is slidable on the first bracket 300, and the other end of the i-beam 510 is fixed to the second bracket 400. And then make the one end of I-shaped steel girder 510 be the slip end, the other end of I-shaped steel girder 510 is the stiff end, makes the vestibule structure safer.

When in construction, the method comprises the following steps:

(1) The support end plate 720 is fixed on the first concrete column 100 through the first embedded bolts 620, the support bottom plate 710 is fixed on the first bracket 300 through the embedded ribs 610, and the two support side plates 730 are welded with the support bottom plate 710 and the support end plate 720, so that a sliding cavity is formed.

(2) Welding one end of the I-shaped steel beam 510 with a steel beam end plate 520 to form a steel beam assembly 500; one end of the steel beam assembly 500 is placed in the sliding cavity, and then the first elastic limiting piece 741 is welded with the support end plate 720 and the steel beam end plate 520 respectively, and one end of the second elastic limiting piece 742 is fixedly connected with the corresponding baffle 810, so that the weak constraint sliding unit 740 is formed.

(3) And then the two baffles 810 are respectively fixed on the inner sides of the two support side plates 730 through bolts, so that the assembly of the steel structure gallery sliding end with the weak constraint support is completed.

(4) Finally, the second embedded bolt 910 is penetrated through the backing plate 920 to fix the other end of the I-shaped steel beam 510 on the second bracket 400, so that the assembly of the fixed end of the steel structure corridor with the weak constraint support is realized.

In summary, the weak constraint support assembly 700 can generate a weak constraint effect on the steel beam assembly 500, and reduce the transmission amplitude of the earthquake action of the corridor to the two connected buildings under the earthquake action, thereby avoiding adverse effects on the buildings and avoiding damage to the corridor.

The embodiments of the utility model have been described in detail above, but they are merely examples, and the utility model is not limited to the above-described embodiments. It will be apparent to those skilled in the art that any equivalent modifications or substitutions to this utility model are within the scope of the utility model, and therefore, all equivalent changes and modifications, improvements, etc. that do not depart from the spirit and scope of the principles of this utility model are intended to be covered by this utility model.

Claims (9)

1. A steel structure corridor with weak constraint support, including setting up first concrete column (100) and second concrete column (200) in two building one sides respectively, its characterized in that, steel structure corridor with weak constraint support still includes:

the bracket assembly comprises a first bracket (300) arranged on one side of the first concrete column (100) and a second bracket (400) arranged on one side of the second concrete column (200);

-a steel beam assembly (500) located between the first (100) and second (200) concrete columns; one end of the steel beam assembly (500) is in sliding connection with the first bracket (300) through a sliding part, and the other end of the steel beam assembly (500) is fixedly connected with the second bracket (400) through a fixing part (900);

the slip part includes:

the embedded assembly (600) is embedded in the first bracket (300) and the first concrete column (100);

The weak constraint support assembly (700), the weak constraint support assembly (700) is connected with the first bracket (300) and the first concrete column (100) through the embedded assembly (600);

and the limiting assembly (800) is arranged on one side, far away from the first concrete column (100), of the weak constraint support assembly (700) so as to limit one end of the steel beam assembly (500).

2. The steel structure gallery with weak restraint support of claim 1, wherein the pre-buried assembly (600) includes pre-buried ribs (610) buried in the first bracket (300) and first pre-buried bolts (620) buried in the first concrete column (100).

3. The steel structure gallery with a weak restraint support according to claim 2, wherein the weak restraint support assembly (700) comprises a support base plate (710) fixedly connected with the embedded ribs (610) and positioned at the upper end of the first bracket (300), a support end plate (720) fixed on the first concrete column (100) through the first embedded bolts (620), and two support side plates (730) positioned at two sides of the top end of the support base plate (710); the support base plate (710), the support end plate (720) and the two support side plates (730) form a sliding cavity.

4. A steel structure gallery with a weak restraint support according to claim 3, characterized in that the limit assembly (800) comprises two baffles (810), the two baffles (810) are fixedly connected with the two support side plates (730) respectively, a first gap is provided between the side walls of the two baffles (810), and a second gap is provided between the bottom wall of the two baffles (810) and the support bottom plate (710).

5. The steel structure gallery with weak restraint support of claim 4 wherein the steel beam assembly (500) includes an i-beam (510) between the first and second concrete columns (100, 200), one end of the i-beam (510) being provided with a steel beam end plate (520), the steel beam end plate (520) being located in the slip cavity.

6. The steel structure gallery with weak restraint support according to claim 5, wherein the fixing part (900) includes a second embedded bolt (910) embedded in the second bracket (400), and a backing plate (920) located at an upper end of the second bracket (400); the second embedded bolts (910) penetrate through the base plates (920) to fix the other ends of the I-shaped steel beams (510) on the second bracket (400).

7. The steel structure gallery with a weak restraint support of claim 6, wherein the weak restraint support assembly (700) further includes weak restraint slip units (740) at both ends of the steel beam end plates (520), the weak restraint slip units (740) including at least two first elastic limiting members (741) between the support end plates (720) and the steel beam end plates (520); one end of the first elastic limiting piece (741) is fixedly connected with the support end plate (720), and the other end of the first elastic limiting piece (741) is fixedly connected with one side of the steel beam end plate (520).

8. The steel structure gallery with weakly constrained support of claim 7 wherein the weakly constrained slip unit (740) further comprises at least two second elastic stops (742) between the steel beam end plates (520) and two baffles (810); one end of each second elastic limiting piece (742) is fixedly connected with the corresponding baffle plate (810), and the other end of each second elastic limiting piece (742) is freely arranged.

9. The steel structure gallery with weak restraint support of claim 8 wherein one end of the i-beam (510) is located between two second resilient stop members (742) and is slidable within the first and second gaps.