CN218375553U

CN218375553U - Water-stopping turnover type construction stair

Info

Publication number: CN218375553U
Application number: CN202221981152.0U
Authority: CN
Inventors: 田应相; 韩孟强; 梁海翔
Original assignee: China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-24
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a stagnant water type turnover construction stair has solved the repeated installation stair of site operation among the prior art, the problem of extravagant manpower, financial resources relates to building construction technical field. The utility model discloses a pre-buried base, pre-buried base's sub-unit connection is connected with the stair subassembly on the steel joist of construction floor, and pre-buried base's upper portion is connected with the rail guard on the stair subassembly. The utility model provides a repetitious installation temporary stair practices thrift manpower, financial resources, guarantees that the construction passageway is smooth and easy. This application adopts pre-buried base to be connected with the stair subassembly for support stair can apply the pressure of stair subassembly on steel bar keel, conveniently supports the stair subassembly, reduces the destruction of walking people stream to the floor. The stair subassembly is connected with steel bar keel through pre-buried base, and pre-buried base and steel bar keel are pre-buried in the building of being under construction when the construction, do not influence the use of stair subassembly, and reduce and dismantle extravagant manpower and materials repeatedly.

Description

Water-stopping turnover type construction stair

Technical Field

The utility model relates to a construction technical field especially indicates a stagnant water type turnover construction stair.

Background

At present, a stair support system used in a construction site is generally erected on site by adopting a steel pipe scaffold, a steel pipe is used as a vertical stress frame and a horizontal stress frame, a wood template is used as a stair step, the erection and the disassembly are disposable, time and labor are wasted, the labor intensity is high, the erected stair support system is poor in stability, and the potential safety hazard is large. The horizontal, vertical and oblique support rods are crossed with each other, and the structure is relatively complex. When the temporary stairway is erected on a construction site and structural concrete is poured, the temporary construction stairway needs to be dismantled, and the temporary construction stairway is installed again after the concrete reaches a certain strength. Too much labor is wasted on the site, and the progress is influenced.

The traditional Chinese patent application publication No. CN 111677336A and No. 2020.07.02 disclose a temporary stair channel device with a rotatable operation layer, which comprises a stair frame and thin pattern steel plates, wherein the stair frame is of a rectangular frame structure formed by welding square steel, a group of Bao Huawen steel plates are horizontally welded in the stair frame at a certain interval and used as stair steps, and telescopic supporting legs are vertically fixed at four corners of the stair frame. This scalable landing leg below of patent sets up the base, increase temporary stair and template area of contact, and reducing pressure plays the guard action to supporting the template, before reducing concrete placement, the walking stream of people improves the shaping quality of marking time to the destruction of the reinforcing bar of marking time, template. But to the concrete placement pouring in-process, still need carry out the dismantlement of stair, the repeated installation dismantles the stair, extravagant manpower, financial resources.

SUMMERY OF THE UTILITY MODEL

Not enough to among the above-mentioned background art, the utility model provides a stagnant water type turnover construction stair has solved the problem of the repeated installation stair of site operation among the prior art, extravagant manpower, financial resources.

The technical scheme of the utility model is realized like this: the utility model provides a stagnant water type turnover construction stair, includes pre-buried base, and pre-buried base's sub-unit connection is connected with the stair subassembly on the upper portion of pre-buried base on the steel joist of construction floor, is connected with the rail guard on the stair subassembly.

Furthermore, the upper part of the embedded base is connected with a stand column corresponding to the stair component.

Furthermore, the embedded base comprises at least two positioning plates which are arranged in parallel up and down, the stair component is fixedly connected with the uppermost positioning plate, at least three supporting and fixing columns penetrate through the two positioning plates, and the supporting and fixing columns are fixed on the steel bar keels.

Further, the stair subassembly includes the main joist that two symmetries set up, and the lower part of main joist is connected with corresponding pre-buried base, is connected with a plurality of evenly distributed's ladder step skeleton between two main joists, all is connected with the ladder step on every ladder step skeleton.

Further, the ladder step skeleton includes two piece at least parallel arrangement's bracing piece, and the both ends of bracing piece all are connected with the fixed plate, and the fixed plate passes through the bolt fastening on the main joist, and the ladder step sets up the upper portion at the bracing piece.

Further, the ladder step includes step board and fender board, and step board and fender board are connected perpendicularly, and the step board sets up on the upper portion of ladder step skeleton, and the both ends of step board are equipped with the connecting plate, and the connecting plate is located between fixed plate and the main joist.

Furthermore, the rail guard comprises a fixed frame, a plurality of reinforcing rods are connected in the fixed frame, and the lower portion of the fixed frame is connected to the stair assembly.

The utility model has the advantages that: the utility model provides a repetitious installation temporary stair practices thrift manpower, financial resources, guarantees that the construction passageway is smooth and easy. This application adopts pre-buried base to be connected with the stair subassembly for support stair can apply the pressure of stair subassembly on steel bar keel, conveniently supports the stair subassembly, reduces the destruction of walking people stream to the floor. The stair subassembly is connected with steel bar keel through pre-buried base, and pre-buried base and steel bar keel are pre-buried in the building of being under construction when the construction, do not influence the use of stair subassembly, and reduce and dismantle extravagant manpower and materials repeatedly. The stair component is connected with the embedded base and is convenient to disassemble, and the stair component is convenient to use in a turnover mode.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

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

FIG. 2 is a schematic view of a connection structure of the embedded base and the upright post;

FIG. 3 is a schematic view of the connection plate of FIG. 2;

figure 4 is a schematic structural view of the main keel;

FIG. 5 is a schematic view of a step and a step frame connection structure;

FIG. 6 is a side view of the ladder step framework;

fig. 7 is a schematic structural view of the guard rail.

In the figure: 1. the device comprises a pre-buried base, 1-1 parts of a positioning plate, 1-2 parts of a supporting and fixing column, 2 parts of a guard rail, 2-1 parts of a fixing frame, 2-2 parts of a reinforcing rod, 3 parts of a stair step, 3-1 parts of a step plate, 3-2 parts of a foot baffle plate, 3-3 parts of a connecting plate, 4 parts of a stair step framework, 4-1 parts of a supporting rod, 4-2 parts of a first through hole, 4-3 parts of a fixing plate, 4-4 parts of a second through hole, 5 parts of a main keel, 5-1 parts of a gasket, 6 parts of an upright post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, embodiment 1 provides a water-stop turnover construction stair, including pre-buried base 1, the sub-unit connection of pre-buried base 1 is on the steel reinforcement fossil fragments of construction floor, and the upper portion of pre-buried base 1 is connected with the stair subassembly, adopts pre-buried base 1 to connect the stair subassembly on the steel reinforcement fossil fragments of construction floor, can solve the problem of dismantling the installation stair subassembly repeatedly, is connected with rail guard 2 on the stair subassembly, and rail guard 2 is used for protecting constructor's safety. This application can be used to the construction place narrow and small, does not have the seepage risk when demolising stair. The utility model provides a repetitious installation temporary stair practices thrift manpower, financial resources, guarantees that the construction passageway is smooth and easy. This application adopts pre-buried base 1 to be connected with the stair subassembly for support stair can apply the pressure of stair subassembly on steel bar keel, conveniently supports the stair subassembly, reduces the destruction of walking people stream to the floor. The stair subassembly is connected with steel bar keel through pre-buried base 1, and pre-buried base 1 and steel bar keel are pre-buried in the building of being under construction when the construction, do not influence the use of stair subassembly, and reduce to dismantle extravagant manpower and materials repeatedly. The stair component is connected with the embedded base 1 so as to be convenient for turnover use.

As shown in fig. 1 and 2, embodiment 2 is a water-stop type turnover construction stair, and based on the technology of embodiment 1, the upper portion of the embedded base 1 is connected with a column 6 corresponding to a stair component, the column 6 is 40 × 100mm, a rectangular steel pipe with a wall thickness of 8mm, the length of the rectangular steel pipe corresponds to two layers of floors, the column 6 is fixed between the embedded base 1 and the upper floor, the column 6 is fixedly connected with the embedded base 1 through bolts, and is used for fixing the stair component and preventing the stair component from shaking. The embedded base 1 comprises at least two positioning plates 1-1 which are arranged in parallel up and down, and the positioning plates 1-1 are square steel plates with the side length of 30mm and the thickness of 3mm, as shown in figure 3. The stair assembly is connected with the positioning plates 1-1 on the top through connecting M10 bolts, four supporting and fixing columns 1-2 penetrate through the two positioning plates 1-1, and the supporting and fixing columns 1-2 are fixed on the steel bar keels and used for fixing the embedded base 1. The supporting and fixing columns 1-2 are hot-rolled plain steel bars with the diameter of 28mm, and four through holes matched with the hot-rolled plain steel bars are uniformly distributed on the square steel plate, so that the hot-rolled plain steel bars can conveniently penetrate through the through holes. Pre-buried base 1 adopts steel sheet and steel bar welding, and the steel sheet is the stagnant water steel sheet, and pre-buried base 1 adopts bolted connection with the stair subassembly, and the use of being convenient for have enough to meet the need, when the stair subassembly is demolishd, pre-buried base 1 buries the floor basis the inside, need not demolish, and does not influence the floor structure, has fine practicality.

As shown in fig. 4 and 5, embodiment 3, in the water-stop turnover type construction stair, on the technical basis of embodiment 2, the stair component comprises two main keels 5 symmetrically arranged, the lower part of each main keel 5 is equally divided and is respectively connected with the corresponding embedded base 1, a plurality of uniformly distributed ladder step frameworks 4 are connected between the two main keels 5, the main keels 5 are connected and combined into a supporting structure with the stair framework, the ladder step frameworks 4 are connected with the main keels 5 through bolts, and each ladder step framework 4 is provided with a ladder step 3. Stair step 3 makes up into the stair subassembly with step skeleton 4 and main joist 5, makes things convenient for constructor to walk up and down stairs. The ladder step framework 4 is detachably connected with the main keel 5 through bolts, so that the stair assembly is convenient to disassemble and is convenient to reuse.

As shown in fig. 5 and 6, in this embodiment, the ladder step framework 4 includes at least two support rods 4-1 arranged in parallel, two ends of each support rod 4-1 are connected to a fixing plate 4-3, and the fixing plate 4-3 is provided with a first through hole 4-2 corresponding to the support rod 4-1 and a second through hole 4-4 for connecting to the main keel 5. The fixing plate 4-3 is fixed on the main keel 5 through bolts penetrating through the second through holes 4-4. The supporting rod 4-1 is fixed in the first through hole 4-2, so that the plurality of supporting rods 4-1 are conveniently fixed, and the upper parts of the supporting rods 4-1 support the ladder step 3. At least two parallel supporting rods 4-1 are connected between the two fixing plates 4-3, and the supporting rods 4-1 are steel pipes with the thickness of 20 x 20mm and the thickness of 1 mm.

In this embodiment, the step 3 comprises a step plate 3-1 and a foot baffle plate 3-2, the step plate 3-1 is vertically connected with the foot baffle plate 3-2, the step plate 3-1 is arranged on the upper part of the step framework 4, two ends of the step plate 3-1 are provided with connecting plates 3-3 connected with the step framework 4, and the connecting plates 3-3 are positioned between the fixing plates 4-3 and the main keel 5. The two connecting plates 3-3 are vertically connected to the lower part of the tread plate 3-1, through holes corresponding to the second through holes 4-4 are arranged on the connecting plates 3-3, the second through holes 4-4 and the through holes correspond to threaded holes in the main keel 5, and the fixing plates 4-3 and the connecting plates 3-3 are fixed on the main keel 5 by bolts conveniently. A gasket 5-1 is arranged between the connecting plate 3-3 and the main keel 5 to prevent the connecting plate 3-3 and the main keel 5 from being worn. The step 3 is a standardized step 3, wherein the length of the step plate 3-1 is 900mm, the width of the step plate is 200mm, the length of the foot baffle plate 3-2 is 900mm, the height of the foot baffle plate is 100mm, and the thickness of the steel plate is 1mm, so that the construction personnel can walk up and down conveniently. The guard railing 2 comprises a fixed frame 2-1, a plurality of reinforcing rods 2-2 are connected in the fixed frame 2-1, the reinforcing rods 2-2 are combined into a net-shaped grid and fixedly connected with the fixed frame 2-1, and the lower part of the fixed frame 2-1 is connected to a main keel 5. The height of the guard rail 2 is 900mm, the thickness of the steel pipe is 1mm, the connecting frame and the backbone are made of 20-20 steel pipes with the wall thickness of 1mm, and the interval between the reinforcing rods 2-2 in the same direction is 200mm, as shown in fig. 7.

During the specific use, pass upper and lower two-layer locating plate and fix on the fossil fragments of construction floor hot rolling plain steel muscle, the locating plate on top is connected with the main joist on the stair subassembly, and the stand passes through the bolt fastening on the locating plate on top, and the stand is located the upper portion of main joist for fixed main joist. The ladder steps and the ladder step framework are fixed on the main keel through bolts, and the ladder steps are positioned on the upper portion of the ladder step framework. Ladder step skeleton and main joist are used for supporting the ladder step, and the ladder step makes things convenient for constructor to walk, connects the rail guard on the main joist for protection constructor's construction safety.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a stagnant water type turnover construction stair which characterized in that: the building construction floor slab comprises at least two embedded bases (1), wherein the lower portions of the embedded bases (1) are connected to steel bar keels of a construction floor slab, the upper portions of the embedded bases (1) are connected with stair components, and protective guards (2) are connected to the stair components.

2. The water stop turnover type construction stair of claim 1, wherein: the upper part of the embedded base (1) is also connected with an upright post (6) corresponding to the stair component.

3. A water stop type turnaround construction staircase according to claim 1 or 2, characterized in that: the embedded base (1) comprises at least two positioning plates (1-1) which are arranged in parallel up and down, the stair assembly is fixedly connected with the uppermost positioning plate (1-1), at least three supporting and fixing columns (1-2) penetrate through the two positioning plates (1-1), and the supporting and fixing columns (1-2) are fixed on steel bar keels of a construction floor slab.

4. A water-stop type turnaround construction stair according to claim 3, characterized in that: the stair subassembly includes main joist (5) that two symmetries set up, and the lower part of main joist (5) is connected with corresponding pre-buried base (1), is connected with a plurality of evenly distributed's ladder step skeleton (4) between two main joist (5), all is equipped with ladder step (3) on every ladder step skeleton (4).

5. The water stop turnover type construction stair of claim 4, wherein: the ladder step framework (4) comprises at least two supporting rods (4-1) which are arranged in parallel, fixing plates (4-3) are connected to two ends of each supporting rod (4-1), the fixing plates (4-3) are fixed on the main keels (5) through bolts, and the ladder steps (3) are arranged on the upper portions of the supporting rods (4-1).

6. The water stop turnover type construction stair of claim 5, wherein: the ladder step (3) comprises a step plate (3-1) and a foot baffle plate (3-2), the step plate (3-1) is vertically connected with the foot baffle plate (3-2), the step plate (3-1) is arranged on the upper portion of the ladder step framework (4), connecting plates (3-3) are arranged at two ends of the step plate (3-1), and the connecting plates (3-3) are located between the fixing plates (4-3) and the main keel (5).

7. A water stop type turnaround construction stair of any one of claims 1, 2 and 4~6, wherein: the protective guard (2) comprises a fixed frame (2-1), a plurality of reinforcing rods (2-2) are connected in the fixed frame (2-1), and the lower portion of the fixed frame (2-1) is connected to the stair assembly.