CN215830085U

CN215830085U - Temporary reinforcement structure for stair reconstruction

Info

Publication number: CN215830085U
Application number: CN202121795707.8U
Authority: CN
Inventors: 孙坤玲; 栾天; 刘明超; 张荣福; 关宏生
Original assignee: Anshan Sanye Construction Engineering Co ltd
Current assignee: China Third Metallurgical Group Co Ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-15
Anticipated expiration: 2031-08-03

Abstract

The utility model belongs to the technical field of civil building structure transformation, and particularly relates to a temporary reinforcing structure for stair transformation. The horizontal beam is formed by buckling two channel steels up and down. The first stand comprises a set of socket joint structure steel pipes, and the length of the first stand is adjustable. The second stand includes channel steel section and square steel section, and the channel steel section is that the lock forms about two channel-section steels, and square steel section top is equipped with the channel steel pad. The utility model has the advantages that: 1) the structure is mainly used for the reconstruction construction of the stair platform beam of the civil building, has large operation space, improves the safety performance in the reconstruction process, and ensures the safety and stability of the stair structure in the reconstruction process.

Description

Temporary reinforcing structure for stair reconstruction

Technical Field

The utility model belongs to the technical field of civil building structure improvement, and particularly relates to a temporary reinforcing structure for stair improvement.

Background

The building is used as a component for vertical traffic between floors. The method is used for traffic connection between floors and when the height difference is large. Stairways are also provided in multi-story and high-rise buildings provided with elevators and escalators as the main means of vertical transportation. High-rise buildings, although using elevators as the main vertical transport means, still need to keep staircases for escape in case of fire. The stairs are composed of continuous stair sections (also called stair runs), platforms (rest platforms), enclosing members and the like.

The clear height between the platform beam and the ground of the underground staircase of a certain building is 1.93m, the platform beam is of a reinforced concrete structure, the width multiplied by the height of the section is 200mm multiplied by 400mm, and the clear height of the position needs to be adjusted and increased by 100mm due to use requirements. The platform beam needs to be reformed, and the section size of the reinforced concrete platform beam is changed from 200mm multiplied by 400mm to 300mm multiplied by 300 mm. The stair platform beam needs to be chiseled off in the construction process, the bearing capacity of the stair can be weakened in the process, and structural damage is easy to occur.

The steel frame pipe supporting system is generally adopted in the traditional civil building structural transformation, the steel frame pipe supporting system needs to be erected on a frame body in the reinforcing process, and the structure is suitable for the transformation and reinforcement of large-space and horizontal structural members. Because this project platform roof beam is located the stairwell, adopts the frame pipe to set up and can influence follow-up work operation, and is the inclined plane under the stair section, adopts the frame pipe to set up the effect not good, and the security is difficult to control.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a temporary stair reconstruction reinforcing structure which overcomes the defects of the prior art, is mainly used for reconstruction construction of a civil building stair platform beam, improves the safety performance in the reconstruction process by combining and reinforcing more than two types of profile steels, ensures the safety and stability of the stair structure in the reconstruction process, ensures enough operating space in the reconstruction process, and can change the installation position according to the structure of the stair structure and the construction process.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a temporary reinforced structure is reformed transform to stair, its characterized in that, includes horizontal beam, first stand and second stand, when the platform roof beam between ladder section and the platform is reformed transform, horizontal beam one end is connected with the wall body, and the other end is connected with marking time on the ladder section, and first stand sets up between landing slab and ground, and the second stand sets up between ladder section bottom and ground, and the department of reforming transform reserves operating space.

The horizontal beam is formed by buckling two channel steels up and down and is connected into a whole through batten plates, one channel steel is connected with the vertical edge of any mark time, and the other channel steel is connected with the vertical edge of a higher mark time.

The first stand comprises the steel pipe of lower part and the adjustable type conduit saddle on upper portion, and the length of first stand is adjustable, and the top and the bottom of first stand set up the wooden backing plate respectively.

The second stand includes channel steel section and square steel section, and the channel steel section is that the lock forms and is connected through the batten plate about two channel-section steels, and the top of channel steel section is connected with the square steel section through the steel backing plate, is equipped with the steel foot pad between channel steel section bottom and the ground, and the steel foot pad is connected through the bolt with ground, and the square steel section is stepped on through channel steel pad, bolt and building section and is connected.

The size of the patch plate is 150-200mm multiplied by 180-220 mm.

The size of the wood cushion plate is 60-200mm multiplied by 90-300 mm.

The top of the square steel section is consistent with the inclination angle of the back of the ladder section.

Compared with the prior art, the utility model has the beneficial effects that: 1) the structure is mainly used for the reconstruction construction of the civil building stair platform beam, and is combined and reinforced by various steel structures such as steel pipes, channel steel, square steel and the like, so that the operation space is large, the safety performance in the reconstruction process is improved, and the safety and stability of the stair structure in the reconstruction process are ensured; 2) convenient to use, the flexible operation can change according to stair structure and work progress and install the position additional, applicable in the transformation occasion of multiple civil construction stair landing roof beam.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

wherein: 1-horizontal beam, 2-first column, 3-second column, 4-bench, 5-platform, 6-platform beam; 7-wall body, 8-step; 9-batten plate; 10-a steel pipe; 11-an adjustable pipe bracket; 12-a wood pad; 13-channel steel section; 14-square steel section; 15-a steel backing plate; 16-channel steel gasket; 17-steel foot pads; 18-bolt.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1, which is a schematic structural view of an embodiment of a temporary reinforcing structure for stair reconstruction, the temporary reinforcing structure comprises a horizontal cross beam 1, a first upright post 2 and a second upright post 3, when a platform beam 6 between a stair section 4 and a platform 5 is reconstructed, one end of the horizontal cross beam 1 is connected with a wall 7, the other end of the horizontal cross beam is connected with a step 8 on the stair section 4, the first upright post 2 is arranged between a plate of the platform 5 and the ground, the second upright post 3 is arranged between the bottom of the stair section 4 and the ground, and a sufficient operation space is reserved at the reconstruction position.

In the embodiment, the horizontal beam 1 is formed by buckling two 20 channel steel up and down, and is connected into a whole through a batten plate 9, wherein one channel steel is connected with the vertical edge of one step 8, and the other channel steel is connected with the vertical edge of the higher step 8. The gusset plate 9 has a size of 12mm × 180mm × 190mm, and can provide sufficient connection strength.

First stand 2 comprises for steel pipe 10 and adjustable type conduit saddle 11, and the length of first stand 2 is adjustable, and the top and the bottom of first stand 2 set up wooden backing plate 12 respectively. The wood base plate 12 is made of wood with the size of 60mm multiplied by 90mm or wood with the size of 200mm square, so that the surface of the platform can be prevented from being damaged by jacking, the wood base plate also has a buffering effect, impact force caused when the platform beam is detached can be absorbed, and the stair structure is prevented from being damaged.

Second stand 3 includes channel steel section 13 and square steel section 14, and channel steel section 13 is that the lock forms about two channel-section steels, and the top of channel steel section 13 is connected with square steel section 14 through steel backing plate 15, is equipped with steel foot pad 17 between 13 bottoms of channel steel section and the ground, and steel foot pad 17 is connected through the bolt with ground, and square steel section 14 is connected through marking time 8 on channel steel pad 16, bolt 18 and the building section 4. The surface of the square steel section 14 is in accordance with the inclination angle of the back surface of the bench 4 to achieve more stable holding strength.

In the embodiment, three first upright columns 2 and four second upright columns 3 are adopted, and the height of the first upright columns 2 is adjusted to form support between the platform and the concrete ground. The steel foot pad 17 and the concrete ground are fixed by 4 expansion bolts. The bottom surface of the bench 4 is an inclined surface, the tops of the four second columns 3 are connected into a whole through channel steel pads 16, and the second columns 3 are welded into a whole after being in place so as to achieve sufficient strength.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. a stair reconstruction temporary reinforcement structure is characterized in that, comprise horizontal beam, the first column and the second column, when doing the platform beam transformation between the stair section and the platform, one end of the horizontal beam is connected with the wall, the other end Connected with the steps on the ladder section, the first column is arranged between the platform plate and the ground, the second column is arranged between the bottom of the ladder section and the ground, and an operation space is reserved for the transformation.

2 . The temporary reinforcement structure for stair reconstruction according to claim 1 , wherein the horizontal beam is made of two channel steels that are fastened up and down, and are connected into one body by a tie plate, wherein one channel steel and The vertical side of any step is connected, and the other channel steel is connected with the vertical side of the higher step.

3. The temporary reinforcement structure for stair reconstruction according to claim 1, wherein the first column is composed of a lower steel pipe and an upper adjustable pipe bracket, the length of the first column is adjustable, and the first column is adjustable. The top and bottom ends of the uprights are respectively provided with wooden backing boards.

4 . The temporary reinforcement structure for stair reconstruction according to claim 1 , wherein the second column comprises a channel steel section and a square steel section, and the channel steel section is formed by the left and right buckles of the two channel steels and passes through. 5 . The top of the channel steel section is connected with the square steel section through a steel backing plate, and a steel foot pad is arranged between the bottom of the channel section and the ground. The steel foot pad is connected to the ground by bolts, and the square steel section passes through the groove. Steel pads and bolts are connected to any step on the floor.

5 . The temporary reinforcement structure for stair reconstruction according to claim 2 , wherein the size of the clasp is 150-200mm×180-220mm. 6 .

6 . The temporary reinforcing structure for stair reconstruction according to claim 3 , wherein the size of the wooden backing board is 60-200 mm×90-300 mm. 7 .

7 . The temporary reinforcement structure for stair reconstruction according to claim 4 , wherein the top of the square steel section is at the same inclination angle as the back of the stair section. 8 .