CN222120496U - Assembled building steel corridor structure - Google Patents

Abstract

The utility model discloses an assembled building steel corridor structure, comprising two corridor pre-installed parts fixedly connected to the main body of the building structure and a corridor main body fixedly installed between the two corridor pre-installed parts, the corridor pre-installed parts are fixedly installed on the main body of the building structure through a connecting rod, a corbel is fixedly arranged on the main body of the building structure, a sliding support is arranged on the corbel, and the bottom of the corridor pre-installed part is arranged on the sliding support; the corridor main body comprises a truss lower chord and a truss upper chord fixedly connected by a plurality of vertical support rods, and diagonal bracing rods are arranged on both ends of the two sides of the truss upper chord; an upper connecting end, a lower connecting end and a diagonal bracing connecting end are arranged on the corridor pre-installed part. The structure adopts a three-section splicing method for high-altitude assembly, and uses the two sections at the end as support to lift the middle part, which reduces the construction cost, shortens the high-altitude operation time, improves the safety of high-altitude workers, and is worthy of popularization and application.

Description

Assembled building steel corridor structure

Technical Field

The utility model relates to the technical field of corridor structures, in particular to an assembled building steel corridor structure.

Background

At present, the super high-rise double towers are increased to the large-span heavy-duty corridor in the multi-tower air, and at present, the split high-rise bulk loading is adopted, but the high-rise assembly and welding workload is large, the field mechanical equipment is difficult to meet the hoisting requirement, the required high-rise assembly jig frame is large in dosage, the erection height is large, and the high-rise assembly jig frame has great safety and quality risks. The traditional steel corridor is assembled on the ground, then lifted to a designated position, welded and fixed on a building structure, and the mode needs to use large hoisting equipment for auxiliary operation, needs a certain ground space foundation and has relatively high construction cost. The invention patent of application number 202210649503.6 discloses a structure is assembled to high altitude steel construction vestibule, it includes two fixing device, fixing device's inside is equipped with positioner, one side of fixing device is equipped with strutting arrangement, fixing device includes the bracing piece, the one end fixedly connected with inserted bar of bracing piece, when splicing two bracing pieces together, the inserted bar inserts the inside of spliced groove, make the slider take place to slide, the slider takes simultaneously and makes bracing piece and horizontal pole remove through bearing structure and strutting arrangement, can assemble this vestibule structure and expand fast convenient, can save a large amount of time of workman, and shrink together when transporting, compare in traditional vestibule structure of assembling, can save a large amount of spaces, but the still need lifting device auxiliary operation of a plurality of sections of vestibule structures of assembling, when the vestibule position is higher, the lifting device cost of use is higher, and the welding operation of steel vestibule and building structure after having avoided assembling, high altitude construction time is long, constructor's high altitude construction safety has been reduced.

Disclosure of utility model

The utility model aims to provide an assembled building steel corridor structure which adopts a three-section splicing mode to carry out high-altitude assembly, uses two sections of end parts as supports to lift the middle part, reduces construction cost, has short high-altitude operation time, improves the safety of high-altitude operators, and is worthy of popularization and application.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides an assembled building steel vestibule structure, includes two vestibule pre-installation parts and the vestibule main part of fixed mounting between two vestibule pre-installation parts with building structure main part fixed mounting is in on the building structure main part through the connecting rod, the fixed bracket that sets up in the building structure main part be provided with sliding support on the bracket, the bottom of vestibule pre-installation part sets up on the sliding support, the vestibule main part includes truss lower chord and the truss upper chord through a plurality of vertical branch fixed connection be provided with the diagonal brace on the both sides both ends of truss upper chord, truss lower chord length is greater than truss upper chord length is provided with link, lower link and diagonal brace link on the vestibule pre-installation part, truss lower chord with lower link fixed connection, truss upper chord with upper link fixed connection, diagonal brace with diagonal brace link fixed connection.

Preferably, the building structure main body is provided with an embedded part, and one end of the connecting rod is fixedly arranged on the embedded part.

Preferably, an upper support rod is detachably mounted on the gallery preassembling part, and a hydraulic lifter is detachably mounted on the upper support rod.

Preferably, the two ends of the bottom of the corridor main body are detachably provided with lower support rods, and the lower support rods are connected with the hydraulic lifter through steel strands.

Preferably, first diagonal bracing reinforcing rods are arranged on two sides of two ends of the corridor main body, and second diagonal bracing reinforcing rods are arranged on two sides of the corridor preassembling portion.

Preferably, the first diagonal bracing reinforcing rod and the second diagonal bracing reinforcing rod are both I-steel.

According to the utility model, the steel corridor structure adopts a three-section structure, the volumes of the two ends of the steel corridor structure, which are positioned at the end parts, are smaller, the steel corridor structure can be prefabricated and installed on a main body of a building structure in advance through small hoisting equipment, after the preassembled two corridor preassembled parts are fixedly installed, the steel corridor structure is used as a structural foundation for lifting the corridor main body positioned at the middle part, and the steel corridor structure has two purposes, so that the construction cost is reduced. The two ends of the vestibule main body are welding operation areas, and the building structure main body can be utilized to provide safety protection for welding workers, so that the operation safety is improved. The first diagonal bracing reinforcing rod and the second diagonal bracing reinforcing rod are arranged to support the end parts of the pre-assembled part and the main body of the corridor, so that the follow-up welding fixed connection is prevented from being influenced due to deformation in the hoisting process, and the stability of the structure is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model in a lifted state;

FIG. 2 is a diagram showing the splice state of the overall structure of the present utility model;

In the figure, 1, a building structure main body, 2, a corridor preassembling part, 3, a corridor main body, 4, a connecting rod, 5, a bracket, 6, a sliding support, 7, a first diagonal bracing reinforcing rod, 8, a second diagonal bracing reinforcing rod, 9, an upper supporting rod, 10, a hydraulic lifter, 11, a lower supporting rod, 12, a steel strand, 20, an upper connecting end, 21, a lower connecting end, 22, a diagonal bracing connecting end, 30, a vertical supporting rod, 31, a truss lower chord, 32, a truss upper chord, 33 and a diagonal bracing rod.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

The utility model provides a pin-connected panel building steel vestibule structure as shown in fig. 1 and 2, include with two vestibule pre-installation portion 2 of building structure main part 1 fixed connection and pass through the vestibule main part 3 of welded fixed mounting between two vestibule pre-installation portion 2, vestibule pre-installation portion 2 passes through connecting rod 4 fixed mounting on building structure main part 1, specifically, pre-buried being provided with the built-in fitting on building structure main part 1, one end of connecting rod 4 passes through welded fixed mounting on the built-in fitting. The other end of the connecting rod 4 is fixedly mounted on the gallery preassembly part 2 by welding. The longitudinal section of the vestibule preassembling part 2 is wedge-shaped as a whole, and the longitudinal section of the vestibule main body 3 is isosceles trapezoid as a whole, so that the overall lifting operation of the vestibule main body 3 is facilitated by adopting the cross-sectional shape.

Bracket 5 is fixedly arranged on main body 1 of the building structure, sliding support 6 is arranged on bracket 5, and bottom of vestibule preassembling part 2 is arranged on sliding support 6. The sliding support 6 can reduce structural deformation and stress concentration caused by temperature change, earthquake and other factors, and improve the stability of the steel gallery structure.

The vestibule main body 3 comprises a truss lower chord 31 and a truss upper chord 32 which are fixedly connected through a plurality of vertical struts 30, diagonal braces 33 are arranged at two ends of two sides of the truss upper chord 32 through welding, and the length of the truss lower chord 31 is greater than that of the truss upper chord 32. An upper connecting end 20 is fixedly arranged at one end of the top of the vestibule preassembly part 2, a lower connecting end 21 and an inclined strut connecting end 22 are fixedly arranged at one end of the bottom of the vestibule preassembly part 2, after the vestibule main body 3 is hoisted in place, a truss lower chord 31 is fixedly connected with the lower connecting end 21 through welding, a truss upper chord 32 is fixedly connected with the upper connecting end 20 through welding, and an inclined strut 33 is fixedly connected with the inclined strut connecting end 22 through welding. In one embodiment, first diagonal bracing bars 7 are arranged on both sides of both ends of the gallery main body 3 by welding, and the first diagonal bracing bars 7 are diagonal-braced between the truss lower chord 31 and the truss upper chord 32. Second diagonal bracing reinforcing rods 8 are fixedly arranged on two sides of the corridor pre-installation part 2 through welding. In this embodiment, the first diagonal bracing reinforcing rod 7 and the second diagonal bracing reinforcing rod 8 are both made of i-steel, and of course, channel steel, square steel or other steel supports may also be used.

An upper supporting rod 9 is detachably mounted on the top of the vestibule preassembly part 2 through a fastener, a hydraulic lifter 10 is detachably mounted on the upper supporting rod 9 through the fastener, in the embodiment, two hydraulic lifters 10 are mounted on one upper supporting rod 9, the interval between the two hydraulic lifters 10 is smaller than the width of the vestibule main body 3, the swing amplitude of the steel strand is limited, and the lifting safety is improved. The lower support rods 11 are detachably mounted at two ends of the bottom of the corridor main body 3 through fasteners, the lower support rods 11 are connected with the hydraulic lifter 10 through the steel stranded wires 12, and the hydraulic lifter 10 and the steel stranded wires 12 are controlled to hoist the corridor main body 3 during lifting operation. The upper support rod 9 and the lower support rod 11 which are detachably arranged can also strengthen the vestibule preassembling part 2 and the vestibule main body 3, so that the stability of the structure is improved. In a more preferred embodiment, centralizers are provided at both ends of the lower support bar 11, and the centralizers are used to limit shaking when the gallery main body 3 is spliced, thereby improving construction efficiency.

The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.

Claims (6)

1. A spliced building steel corridor structure is characterized by comprising two corridor preassembling parts fixedly connected with a building structure main body and a corridor main body fixedly installed between the two corridor preassembling parts, wherein the corridor preassembling parts are fixedly installed on the building structure main body through connecting rods, brackets are fixedly arranged on the building structure main body, sliding supports are arranged on the brackets, the bottoms of the corridor preassembling parts are arranged on the sliding supports, the corridor main body comprises a truss lower chord and a truss upper chord which are fixedly connected through a plurality of vertical struts, diagonal braces are arranged on two ends of the truss upper chord, the length of the truss lower chord is larger than that of the truss upper chord, an upper connecting end, a lower connecting end and a diagonal brace connecting end are arranged on the corridor preassembling parts, the truss lower chord is fixedly connected with the lower connecting end, the truss upper chord is fixedly connected with the upper connecting end, and the diagonal braces are fixedly connected with the diagonal brace connecting ends.

2. The assembled building steel gallery structure of claim 1, wherein an embedded part is arranged on the building structure main body, and one end of the connecting rod is fixedly arranged on the embedded part.

3. The modular construction steel gallery structure of claim 1 or 2, wherein an upper support bar is detachably mounted on the gallery preassembled part, and a hydraulic lifter is detachably mounted on the upper support bar.

4. The assembled building steel gallery structure of claim 3, wherein lower support rods are detachably mounted at two ends of the bottom of the gallery main body and are connected with the hydraulic lifter through steel strands.

5. The assembled building steel gallery structure of claim 1 or 4, wherein first diagonal bracing reinforcing rods are arranged on two sides of two ends of the gallery main body, and second diagonal bracing reinforcing rods are arranged on two sides of the gallery preassembly part.

6. The modular construction steel gallery structure of claim 5, wherein the first diagonal bracing reinforcing bars and the second diagonal bracing reinforcing bars are I-steel.