CN219528337U - Prefabricated stairwell assembled 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

Prefabricated stairwell assembled construction operation platform

Technical Field

The utility model relates to the technical field of stairwell construction of prefabricated stairwells, in particular to a prefabricated stairwell assembly type construction operation platform.

Background

With the development of the building industry, the assembled building is widely accepted by people. The assembled building is formed by transferring a large amount of field operation work in the traditional building mode to a factory, processing and manufacturing building components and accessories (such as floors, wallboards, stairs, balconies and the like) in the factory, transporting to a building construction site, and assembling and installing the building on site in a reliable connection mode. The prefabricated stairway is one of the common components in the assembled building, and the prefabricated components of the prefabricated stairway mainly comprise concrete prefabricated treads, a platform plate and a supporting structure. The main supporting modes of the stairs are three types of wall bearing type, cantilever stepping type and beam bearing type, and the stair has the advantages of high efficiency, high construction speed, high quality controllability and the like.

The stairway assembled by the prefabricated stairway is in a structure shown in the attached figure 1 of the specification, an ascending stair step and a descending stair step are reserved in the stairway, the ascending stair step and the descending stair step extend horizontally through building walls on two sides, high-strength bolts assembled with the prefabricated stairway are also pre-buried on the horizontal surfaces of the ascending stair and the descending stair step, and the stairway is formed by enclosing the building walls. At present, the prefabricated stairs are lapped between an ascending stair step and a descending stair step and fastened, so that the rapid construction and forming of the walking stairs can be realized.

In the assembled building, the prefabricated stairway is often lagged behind the construction working face, sometimes lagged by multiple layers, other construction work projects such as dismantling and installing wall column templates, pre-embedding pipelines, repairing and polishing after concrete structure construction and the like are usually required to be carried out in the stairway (layers) of the non-lapped prefabricated stairway, and a working platform is usually required to be erected in the construction, so that the construction working platform of the prefabricated stairway has certain limitation and potential safety hazard due to the structure of the construction working platform and the limitation of field conditions (the non-lapped prefabricated stairway, so that the stairway is operated at high place). The current common construction methods are as follows: directly erecting a ground leg hand frame (only suitable for lower floors); or the stirrup is erected on the lower side of the existing stair platform, and then the construction platform is erected; or directly erecting a wood springboard on the scaffold as a construction platform; the method of obliquely erecting the supporting frame body by the steel pipe is adopted as an operation platform, and the like, and certain potential safety hazards exist in the practical operation of the method.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide the prefabricated staircase assembly type construction operation platform which can be erected layer by layer, solves the limitations and potential safety hazards existing in the existing erection modes of directly erecting a landing scaffold and the like, and can be quickly adjusted according to the construction height, so that the convenience of construction is improved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a prefabricated staircase assembled construction operation platform, the stair is reserved and is left ladder step and lower ladder step, its characterized in that: the stair descending step is horizontally spaced and vertically supported with vertical rods, the stair ascending step is horizontally spaced and horizontally supported with cross rods, and the other end of each cross rod is connected with the corresponding vertical rod.

Preferably, the bottom of the vertical rod is horizontally provided with a limit supporting rod, and the limit supporting rod and the bottom of the vertical rod are respectively provided with a fastening screw rod which is tightly propped against the descending step in a penetrating way.

Preferably, 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.

Preferably, the fastening screw rod tightly propped against the bottom surface of the step of the upper ladder is arranged on the adjusting vertical rod in a penetrating way.

The beneficial effects of the utility model are as follows: 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. The platform is detachably connected (the connection of each rod piece is connected by bolts) and is convenient for storage, transportation and turnover.

Drawings

FIG. 1 is a block diagram of a stairwell of the prefabricated staircase assembly of the present utility model.

Fig. 2 is a schematic diagram of a construction operation platform set-up in the present utility model.

Fig. 3 is a left side view of the construction operation platform of fig. 2 according to the present utility model.

Fig. 4 is a second drawing of a construction operation platform set-up of the present utility model.

Fig. 5 is a partially exploded view of the construction operation platform of fig. 4 according to the present utility model.

Fig. 6 is a schematic view of the height adjustment of the construction surface of the construction operation platform of the present utility model.

In the figure: 6-reinforcing rods; 7-diagonal draw bars; 8-a protective railing; 9-high strength bolts.

Detailed Description

In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to the accompanying drawings and examples.

Referring to fig. 1 to 6, a prefabricated stairwell assembly type construction operation platform is shown, wherein an upper step 10 and a lower step 20 are reserved in the stairwell, and extend horizontally through building walls on two sides, and the building walls form a stairwell. At present, the prefabricated stairs are lapped between the upper stair step 10 and the lower stair step 20, so that the rapid construction and forming of the walking stairs can be realized.

In order to solve the problems that when a construction operation platform is erected due to the fact that the existing prefabricated stairway lags behind a construction operation surface, a certain limitation and potential safety hazards exist, the utility model designs an assembled construction operation platform, a specific structure is shown in fig. 2, vertical rods 1 are horizontally spaced on a lower stair step 20 and vertically supported (the vertical rods 1 are preferably square pipe structures and can be sleeved on high-strength bolts 9 of the lower stair step 20 to realize limit), two vertical rods 1 are arranged at intervals according to the width of the storey steps, the structure is shown in fig. 3, and the lower stair step 20 vertically supports the vertical rods 1. Horizontal spacing and horizontal support have horizontal pole 2 on the step of going up 10, are provided with two equally, every the other end of horizontal pole 2 all is connected with corresponding montant 1, and go up the high strength bolt 9 on the step of going up 10 and can realize horizontal spacing to horizontal pole 2, avoid the falling empty after the aversion. The whole structure is shown in fig. 2, the vertical rod 1 is supported by the lower stair step 20, the cross rod 2 is supported by the upper stair step 10, and the vertical rod 1 and the cross rod 2 are connected to form an L-shaped supporting frame body so as to be suitable for a stairwell without erecting a prefabricated staircase.

Preferably, a reinforcing rod (preferably a bolt is used to realize 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 body. A table plate (not shown) may be laid on the reinforcing bars of the cross bar 2 to form an operating table surface, and the reinforcing bars of the vertical bars 1 may be used for a constructor to climb onto the table plate.

In order to further increase the stability of the operating platform, diagonal rods are also detachably connected between the vertical rods 1 and the transverse rods 2, which are preferably detachably connected by bolts. The protection railing is further vertically arranged on the outer side of the vertical rod 1, so that the protection performance of the platform is improved.

When the operation platform is actually used, construction work of constructors can cause the whole platform to shake, so that the whole platform is offset relative to the upper stair step 10 and the lower stair step 20, and potential safety hazards exist, therefore, as shown in fig. 2, the bottom of the vertical rod 1 is horizontally provided with a limit supporting rod 3, and the bottom of the limit supporting rod 3 and the bottom of the vertical rod 1 are respectively provided with a fastening screw 4 tightly propped against the lower stair step 20. After the platform is erected, the whole platform is limited by taking the step 20 as a basis by screwing the limiting support rods 3 and the fastening screw rods 4 on the vertical rods 1 in sequence, and further, the deviation of the platform caused by construction external force is overcome.

In the actual construction of the stairwell, a construction surface with a certain height exists, for example, the construction is carried out along the lower stair step 20 until the position of the upper stair step 10, so that the platform structure cannot meet the construction requirement, and therefore, as shown in fig. 4-6, an adjusting vertical rod 5 with an F-shaped structure is sleeved on the upper stair step 10, and adjusting holes a connected with the cross rod 2 are formed in the adjusting vertical rod 5 and the vertical rod 1 at equal intervals. When the platform of this structure is set up, at first support montant 1 on step 20 of getting off, then with adjusting montant 5 cutting ferrule at step 10 of getting on the ladder (structure as shown in fig. 5), then according to actual construction height, connect horizontal pole 2 in montant 1 and the equal high regulation hole a of adjusting montant 5, and set up regulation hole a equally spaced on horizontal pole 2 for adjust and connect the diagonal draw bar, at last the rethread limiting support pole 3 with fastening screw 4 on the montant 1 is screwed, realizes the quick setting up of whole platform, and realizes the regulation of platform working face height.

In order to further improve the stability of the platform, as shown in fig. 4-6, the adjusting vertical rod 5 is threaded with the fastening screw 4 tightly pressed against the bottom surface of the upper step 10, and after the adjusting vertical rod 5 is connected and fastened with the upper step 10, the fastening screw 4 on the limiting support rod 3 and the vertical rod 1 realizes the fixing and limiting of the two ends of the platform.

The principle of the utility model is as follows: the construction work platform takes an upper step 10 and a lower step 20 as a building foundation, and is provided with a vertical rod 1, a cross rod 2, an F-shaped adjusting vertical rod 5 and other parts. When the vertical rod 1 is erected, firstly, the vertical rod 1 is supported on the lower ladder step 20, then, the adjusting vertical rod 5 is sleeved on the upper ladder step 10, the cross rod 2 is connected in an adjusting hole a with the same height as the vertical rod 1 and the adjusting vertical rod 5 according to the actual construction height, then, the diagonal draw rod is connected, and finally, the limit supporting rod 3 and the fastening screw 4 on the vertical rod 1 are screwed, so that the whole platform is erected quickly, and the height of the working surface of the platform is adjusted.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. The present utility model is subject to various changes and modifications without departing from the spirit and scope thereof, and such changes and modifications fall within the scope of the utility model as hereinafter claimed.

Claims (2)

1. Prefabricated stairwell assembled construction operation platform, the stairwell is reserved and is gone up ladder step (10) and step (20) of going down ladder, its characterized in that: vertical rods (1) are horizontally spaced and vertically supported on the lower ladder step (20), cross rods (2) are horizontally spaced and horizontally supported on the upper ladder step (10), and the other end of each cross rod (2) is connected with the corresponding vertical rod (1);

a limit supporting rod (3) is horizontally arranged at the bottom of the vertical rod (1), and fastening screws (4) tightly propped against the lower ladder step (20) are respectively arranged at the bottom ends of the limit supporting rod (3) and the vertical rod (1) in a penetrating way;

an adjusting vertical rod (5) with an F-shaped structure is sleeved on the ascending stair step (10), and adjusting holes (a) connected with the cross rod (2) are formed in the adjusting vertical rod (5) and the vertical rod (1) at equal intervals.

2. A prefabricated stairwell assembly type construction operation platform according to claim 1, wherein: the adjusting vertical rod (5) is provided with the fastening screw rod (4) which is tightly propped against the bottom surface of the ascending stair step (10).