CN219528337U - A prefabricated stairwell assembly construction operation platform - Google Patents

Abstract

The utility model discloses an assembled construction operation platform for a prefabricated stairwell, which is characterized in that an upper stair step and a lower stair step are reserved in the stairwell, vertical rods are horizontally spaced and vertically supported on the lower stair step, cross bars are horizontally spaced and horizontally supported on the upper stair step, and the other end of each cross bar is connected with the corresponding vertical rod. The upper ladder step is sleeved with an adjusting vertical rod of an F-shaped structure, and adjusting holes connected with the cross rod are formed in the adjusting vertical rod and the vertical rod at equal intervals. The construction operation platform is erected by taking the upper ladder step and the lower ladder step reserved in the stairwell as erection foundations, has good stability after erection, and realizes adjustment of the height of the operation surface of the platform. The platform can be erected layer by layer, so that the problem that the existing manual frame for directly erecting the ground feet is only applicable to the limitation of lower floors is solved; and the high-altitude potential safety hazards of stirrups, wood springboards and the like are erected, and meanwhile, the platform can be quickly adjusted according to the construction height, so that the convenience of construction is improved.

Description

A prefabricated stairwell construction operation platform

technical field

The present application relates to the technical field of stairwell construction of prefabricated staircases, in particular to an assembled construction operation platform for prefabricated stairwells.

Background technique

With the development of the construction industry, prefabricated buildings have been widely recognized by people. Prefabricated building refers to the transfer of a large number of on-site operations in the traditional construction method to the factory, where the building components and accessories (such as floor slabs, wall panels, stairs, balconies, etc.) are processed and manufactured in the factory, and transported to the construction site. Reliable connections are assembled and installed on site. Prefabricated stairs are one of the commonly used components in prefabricated buildings. The prefabricated components of prefabricated stairs are mainly concrete prefabricated treads, platform slabs and supporting structures. The main support methods of stairs are divided into three types: wall load-bearing type, cantilever step type and beam load-bearing type, which have the advantages of high efficiency, fast construction speed and high quality controllability.

The stairwell assembled by the prefabricated staircase has the structure shown in Figure 1 of the instruction manual. The stairwell is reserved with steps for the upper and lower steps, both of which extend horizontally through the building walls on both sides, and are also on the horizontal plane of the two. The high-strength bolts assembled with the prefabricated stairs are pre-buried, and the walls of the building form the stairwell. At present, the rapid construction of walking stairs can be realized by lapping and fastening the prefabricated stairs between the upper and lower steps.

From the observation of the actual construction process on site, it is generally found that in prefabricated buildings, prefabricated stairs often lag behind the construction work surface, sometimes lagging behind multiple layers, and in stairwells (floors) that do not overlap prefabricated stairs, other things such as Removal and installation of wall column formwork, pre-embedding of pipelines, repair and grinding of concrete structures after construction, etc., and in this type of construction, it is usually necessary to set up a work platform. During on-site construction, due to the structure and The limitation of the site conditions (the prefabricated stairs are not overlapped, making the stairwell operation a high-altitude operation) leads to certain limitations and potential safety hazards in the construction work platform of the prefabricated stairwell. The commonly used construction methods are: directly set up floor-to-ceiling scaffolding (only applicable to lower floors); or set up stirrups on the lower side of the stair platform, and then set up a construction platform; or directly set up a wooden springboard directly on the scaffold as a construction platform; There is also the method of adopting steel pipes to set up the supporting frame obliquely as the operating platform, etc., all of which have certain potential safety hazards in actual operation.

Contents of the invention

In view of the above-mentioned problems, this application aims to provide a prefabricated stairwell assembly-type construction operation platform, which can be erected layer by layer to solve the limitations and potential safety hazards of the current erection methods such as direct erection of floor scaffolding. At the same time, this application The platform can also be quickly adjusted according to the construction height to improve the convenience of construction.

In order to achieve the above object, the technical scheme adopted by the present application is as follows: a prefabricated stairwell assembly type construction operation platform, the stairwell is reserved with an upper ladder step and a lower ladder step, and it is characterized in that: Vertical bars are horizontally spaced and vertically supported on the upper step, horizontal bars are horizontally spaced and supported horizontally on the steps of the upper ladder, and the other end of each of the horizontal bars is connected to the corresponding vertical bar.

Preferably, a limit support rod is arranged horizontally at the bottom of the vertical rod, and a fastening screw rod tightened on the step of the descending ladder is threaded through the limit support rod and the bottom end of the vertical rod.

Preferably, an adjusting vertical bar of F-shaped structure is clamped on the step of the ascending ladder, and adjusting holes connected with the cross bar are equally spaced on the adjusting vertical bar and the vertical bar.

Preferably, the fastening screw is threaded on the adjustment vertical rod and pressed against the bottom surface of the ascending step.

The beneficial effects of the application are: the construction operation platform is built on the basis of the upper and lower steps reserved in the stairwell, has better stability after erection, and realizes the adjustment of the height of the platform working surface. The platform can be erected layer by layer, which solves the current limitation of directly erecting floor-to-ceiling scaffolding, which is only applicable to lower floors; and erects stirrups, wooden springboards, etc., which exist high-altitude safety hazards. At the same time, the platform of this application can also be quickly adjusted according to the construction height. , Improve the convenience of construction. The platform can be detachably connected (connection of each rod is connected by bolts) and is also convenient for storage, transportation and turnover.

Description of drawings

Fig. 1 is the structural diagram of the stairwell assembly of the prefabricated staircase of the present application.

Fig. 2 is the construction diagram 1 of the construction operation platform of the present application.

Fig. 3 is a left view of the construction operation platform in Fig. 2 of the present application.

Fig. 4 is the second diagram of setting up the construction operation platform of the present application.

Fig. 5 is a partial exploded structure diagram of the construction operation platform in Fig. 4 of the present application.

Fig. 6 is a schematic diagram of height adjustment of the construction surface of the construction operation platform of the present application.

In the figure: 6-strengthening rod; 7-diagonal tie rod; 8-protective railing; 9-high-strength bolt.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the present application, the technical solution of the present application will be further described below in conjunction with the drawings and embodiments.

Referring to the prefabricated stairwell assembly-type construction operation platform shown in Figures 1 to 6, the stairwell is reserved with an upper step 10 and a lower step 20, both of which extend horizontally through the building walls on both sides. , the walls of the building form a stairwell. At present, the rapid construction of the walking stairs can be realized by lapping the prefabricated stairs between the upper step 10 and the lower step 20 .

In order to solve the problems of certain limitations and potential safety hazards when the prefabricated stairs lag behind the construction work surface and erect the work platform, this application designs a construction operation platform that can be assembled. The specific structure is shown in Figure 2. The horizontal spacing and vertical support on the steps 20 of the ladder are vertically supported by a vertical rod 1 (the vertical rod 1 is preferably a square tube structure, which can be sleeved on the high-strength bolts 9 of the steps of the lower ladder 20 to achieve spacing), according to the width of the floor steps, The present application is provided with two vertical rods 1 at intervals, and the structure is shown in FIG. 3 , and the vertical rods 1 are supported vertically by the steps 20 of the lower ladder. Horizontally spaced and horizontally supported on the ladder steps 10, there are two cross bars 2, the other end of each of the cross bars 2 is connected with the corresponding vertical bar 1, and the upper ladder steps 10 The high-strength bolt 9 can realize the horizontal limit to the cross bar 2, so as to avoid the failure after the displacement. The overall structure is shown in Figure 2. The vertical bar 1 is supported by the steps 20 below the ladder, and the horizontal bar 2 is supported by the steps 10 above the ladder. Stairwell of stairs.

Preferably, a reinforcing rod (preferably adopting bolts to achieve detachable connection) is connected between the symmetrical vertical rod 1 and the horizontal rod 2, so as to improve the stability of the whole frame. A workbench flat plate (not shown) can be laid on the reinforcement bar of the cross bar 2 to form an operating platform surface, while the reinforcement bar of the vertical bar 1 can be used for construction personnel to climb onto the workbench flat plate.

In order to further improve the stability of the operating platform, a diagonal tie rod is detachably connected between the vertical bar 1 and the cross bar 2, which is preferably detachably connected by bolts. A protective railing is also vertically arranged on the outside of the vertical bar 1 to improve the protection of the platform.

When the above operating platform is actually used, the construction work of the construction personnel will cause the overall shaking of the platform, which will cause the overall platform to deviate compared with the steps 10 of the upper ladder and the steps 20 of the lower ladder, posing potential safety hazards. Therefore, as shown in Figure 2 As shown, a limit support rod 3 is horizontally arranged at the bottom of the vertical rod 1, and a fastening rod that is fastened on the step 20 of the descending ladder is perforated at the bottom end of the limit support rod 3 and the vertical rod 1. screw 4. After the above-mentioned platform is set up, by sequentially tightening the limit support rod 3 and the fastening screw 4 on the vertical bar 1, the lower ladder step 20 is used as the basis to realize the overall limit of the platform, and then overcome the construction of the platform. deflection due to external force.

In the actual construction of the stairwell, there is a construction surface of a certain height, such as along the step 20 of the lower ladder until the construction reaches the position of step 10 of the upper ladder, so the above-mentioned platform structure cannot meet the construction requirements, so as shown in Figure 4-6, in the An adjusting vertical bar 5 of F-shaped structure is sleeved on the upper step 10 , and adjusting holes a connected to the horizontal bar 2 are provided at equal intervals on the adjusting vertical bar 5 and the vertical bar 1 . When the platform of this structure is erected, the vertical bar 1 is first supported on the step 20 of the lower ladder, and then the adjusting vertical bar 5 is clamped on the step 10 of the upper ladder (the structure shown in Figure 5), and then according to the actual construction height, the horizontal bar 2 is connected to the adjustment hole a of the same height as the vertical bar 1 and the vertical bar 5, and the adjustment hole a is opened on the horizontal bar 2 at the same distance, which is used to adjust and connect the diagonal tie rod, and finally tighten the limit support rod 3 and the fastening screw 4 on the vertical bar 1 realize the rapid erection of the entire platform and the adjustment of the height of the working surface of the platform.

In order to further improve the stability of the platform erection, as shown in Fig. 4-6, the fastening screw 4 fastened on the bottom surface of the upper step 10 is pierced on the adjustment vertical bar 5, which will adjust After the vertical bar 5 is connected and fastened with the upper ladder step 10, the fastening screw rod 4 on the limit support bar 3 and the vertical bar 1 realizes the fixed positioning at both ends of the platform.

The principle of the present application is: the construction work platform is based on the upper ladder step 10 and the lower ladder step 20, and is provided with vertical bars 1, cross bars 2, F-type adjustment vertical bars 5 and other parts. When erecting, first support the vertical bar 1 on the step 20 of the lower ladder, then insert the adjusting vertical bar 5 on the step 10 of the upper ladder, and connect the horizontal bar 2 to the same height as the vertical bar 1 and the adjusting vertical bar 5 according to the actual construction height In the adjustment hole a, then connect the diagonal tie rod, and finally by tightening the limit support rod 3 and the fastening screw 4 on the vertical rod 1, the rapid erection of the entire platform is realized, and the adjustment of the height of the platform working surface is realized.

The basic principles, main features and advantages of the present application have been shown and described above. On the premise of not departing from the spirit and scope of the present application, there will be various changes and improvements in this application, and these changes and improvements all fall within the scope of the claimed application.

Claims (2)

1. A prefabricated stairwell assembly type construction operation platform, the stairwell is reserved with an upper ladder step (10) and a lower ladder step (20), characterized in that: the horizontal distance between the lower ladder steps (20) And the vertical support is provided with a vertical bar (1), and the horizontal spacing on the ladder step (10) is horizontally supported with a cross bar (2), and the other end of each said cross bar (2) is connected with the corresponding vertical Rod (1) connection; A limit support rod (3) is horizontally arranged at the bottom of the vertical bar (1), and a stopper is provided on the bottom end of the limit support bar (3) and the vertical bar (1) to tighten on the ladder. Fastening screw rod (4) on the step (20); The adjusting vertical bar (5) of F-shaped structure is sleeved on the described ladder step (10), and on the adjusting vertical bar (5) and the vertical bar (1), there are evenly spaced with the horizontal bar ( 2) Adjustment hole for connection (a). 2. A prefabricated stairwell assembly type construction operation platform according to claim 1, characterized in that: on the adjustment vertical rod (5), there is a top that is fastened on the bottom surface of the upper ladder step (10). the fastening screw (4).