Temporary fixing device for crawling ladder

Abstract

The utility model discloses a temporary fixing device for a ladder stand. The temporary fixing device consists of a stair aluminum alloy template, a connecting hole, the ladder stand and a positioning structure, the combined section of the two right-angle fixing steel rods is inserted into the steel pipe and fixed to the steel pipe through connecting bolts, the two positioning blocking feet are symmetrically welded to the steel pipe, and the fixing steel rods and the steel pipe where the positioning blocking feet are welded form a positioning structure. And a ladder stand hooking corner is arranged between the fixed steel rod and the positioning blocking foot. The inserting sections of the two fixing steel rods are perpendicularly inserted into the connecting holes of the stair aluminum alloy formwork, the positioning structure is fixed to a ladder stand, meanwhile, the positioning blocking feet are hooked to a cross brace of the ladder stand, and installation of the device is completed. The device is simple in structure, practical and low in manufacturing cost. The ladder stand is temporarily fixed on the stair aluminum alloy formwork through the device, the ladder stand is placed stably and safely, and the ladder stand can be repeatedly used. The temporary fixing device for the ladder stand solves the problems that when the ladder stand is temporarily used at the corners of the upper layer and the lower layer of a stair, the ladder stand slides, falls, inclines and topples, and safety accidents occur.

Description

Technical Field

[0001] The utility model relates to an auxiliary tooling for building construction, in particular to a temporary ladder fixing device for climbing ladders between upper and lower layers at a stair corner. Background Art

[0002] In building construction, before the concrete is poured on the stairs between two floors, only the aluminum alloy formwork for the stairs to be poured is laid at the corners of the upper and lower floors of the stairs. In this construction situation, a ladder is generally placed on the smooth surface of the aluminum alloy bottom plate for construction workers to go up and down. When constructing other high-rise buildings, since the construction site is far away from the construction elevator and the distance to the upper construction site is very close, workers are accustomed to using ladders to enter the upper floor for work. However, the ladder is a temporary equipment that sits on the smooth surface of the aluminum alloy formwork on the corner platform of the stairs. It is not fixed. When workers climb up and down on this ladder without reinforcement measures, the ladder is prone to slipping and tilting, causing safety accidents. Utility Model Content

[0003] The utility model aims to solve the problem that the ladder set up on the smooth surface of the aluminum alloy template of the stairs is not fixed, which may slide, fall or tilt, resulting in safety accidents. The utility model provides a temporary ladder fixing device with a simple structure, which can be reused, can firmly fix the ladder and is safe to use.

[0004] The purpose of the utility model can be achieved. The utility model temporary fixing device for ladders includes an aluminum alloy template for stairs and a ladder. The utility model temporary fixing device for ladders is characterized in that: two right-angle fixed steel bars composed of a combination section and a plug-in section and a hollow steel pipe are provided, the combination sections of the two fixed steel bars are respectively inserted into the two ends of the steel pipe and fixed to the steel pipe by connecting bolts, two positioning feet are welded on the surface of the steel pipe, the two fixed steel bars and the steel pipe welded with the positioning feet constitute a positioning structure, the aluminum alloy template for stairs is provided with connecting holes on both sides of the ladder spacing, the positioning structure is vertically inserted into the connecting holes through the two plug-in sections of the fixed steel bars and fixed to the aluminum alloy template for stairs, the positioning foot hook of the positioning structure is hung on the ladder, the aluminum alloy template for stairs and the connecting holes, ladder and positioning structure provided thereon together constitute a temporary fixing device for ladders.

[0005] The utility model discloses a temporary fixing device for climbing ladders, wherein an angle of 40° to 50° is formed between the axis of the fixed steel rod plug-in section of the positioning structure and the axis of the steel pipe positioning stopper foot, and the fixed steel rod plug-in section is inserted into the steel pipe by no less than 100 mm.

[0006] The utility model discloses a temporary fixing device for a ladder, wherein the positioning foot-blocking hook is hung under a horizontal support of the ladder.

[0007] The utility model discloses a temporary fixing device for climbing ladders, wherein the diameter of the connecting holes on the bottom surface of the aluminum alloy template is 30 mm, and the lateral spacing is 800 mm.

[0008] The utility model discloses a temporary fixing device for ladders, wherein the fixing steel rod is composed of a 600mm long, φ25 threaded steel bar bent 90° in the middle, and a rust inhibitor is applied on the surface; the steel pipe is composed of a hollow steel pipe with a length of 600mm, an outer diameter of 30mm, and a wall thickness of 2.5mm; the positioning stopper is made of a 60mm long steel rod, and two positioning stoppers are symmetrically arranged with a spacing of 200mm.

[0009] The difference between the utility model temporary fixing device for ladder and the prior art is that the utility model temporary fixing device for ladder is composed of the aluminum alloy template of stairs and the connection holes arranged thereon, the ladder and the positioning structure. The combined sections of two right-angle fixed steel rods are inserted into the steel pipe and fixed on the steel pipe by connecting bolts. Two positioning feet are symmetrically welded on the steel pipe. The fixed steel rods and the steel pipe welded with the positioning feet constitute the positioning structure. A ladder hook hanging angle is provided between the fixed steel rods and the positioning feet. The plug-in sections of the two fixed steel rods are vertically inserted into the connection holes of the aluminum alloy template of stairs and the positioning structure is fixed on the ladder while the positioning foot hook is hung on the ladder cross brace to complete the installation of the device. The device is simple in structure, practical and has low manufacturing cost. The ladder is temporarily fixed on the aluminum alloy template of stairs by using the device, and the ladder is placed firmly and safely, and it can be reused. The utility model temporary fixing device for ladder solves the problem that the ladder will slip and fall when it is temporarily used at the corners of the upper and lower floors of stairs, and safety accidents may occur.

[0010] The temporary fixing device for ladders of the present invention is further described below in conjunction with the accompanying drawings. The accompanying drawings only illustrate the basic structure of the present invention in a schematic manner, and therefore only show structures related to the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a schematic diagram of the structure of fixing the steel rod in the temporary fixing device for the ladder.

[0012] Figure 2 The utility model is a schematic diagram of the steel pipe structure of the welded positioning stopper in the temporary fixing device of the ladder.

[0013] Figure 3 Schematic diagram of the positioning structure for fixing steel rods and steel pipes.

[0014] Figure 4 It is a schematic diagram of the angle between the axis of the plug-in section and the axis of the positioning stop foot.

[0015] Figure 5 It is a schematic diagram of the plan structure of the temporary fixing device for ladders of the utility model.

[0016] Figure 6 The figure is a side view (and application status) diagram of the temporary fixing device for the ladder. DETAILED DESCRIPTION

[0017] like Figure 5 , Figure 6 As shown, the temporary fixing device for ladder of the utility model comprises an aluminum alloy template 1 for stairs and a ladder 2.

[0018] like Figure 1-Figure 6 As shown, the temporary fixing device for ladders of the utility model comprises an aluminum alloy formwork 1 for stairs and a ladder 2. Two right-angle fixed steel bars 3 and a hollow steel pipe 4 composed of a combination section 31 and a plug-in section 32 are provided in the temporary fixing device for ladders of the utility model. The combination sections 31 of the two fixed steel bars 3 are respectively inserted into the two ends of the steel pipe 4 and fixed to the steel pipe by connecting bolts 5. Two positioning feet 6 are welded on the surface of the steel pipe 4. The two fixed steel bars 3 and the steel pipe 4 welded with the positioning feet 6 constitute a positioning structure. The aluminum alloy formwork 1 for stairs is provided with connecting holes a on both sides of the ladder spacing, and the positioning structure is vertically inserted into the connecting holes a and fixed to the aluminum alloy formwork 1 for stairs through the two plug-in sections 32 of the fixed steel bars 3. The positioning feet 6 of the positioning structure are hooked on the ladder 2. The aluminum alloy formwork 1 for stairs and the connecting holes a, the ladder 2 and the positioning structure provided thereon together constitute a temporary fixing device for ladders.

[0019] like Figure 3 As shown, the insertion section 32 of the fixed steel rod 3 is inserted into the steel pipe 4 by no less than 100 mm.

[0020] like Figure 4 As shown, there is an angle of 40° to 50° between the axis of the plug-in section 32 of the fixed steel rod 3 of the positioning structure and the axis of the positioning stopper 6 of the steel pipe 4.

[0021] like Figure 5 , Figure 6 As shown, the positioning stopper foot 6 is hooked under the cross brace of the ladder 2.

[0022] The utility model provides a temporary fixing device for climbing ladders, wherein the diameter of the connecting holes a on the bottom surface of the aluminum alloy template 1 is 30 mm, and the horizontal spacing is 800 mm.

[0023] In the temporary fixing device for ladders of the utility model, the fixing steel rod 3 is composed of a 600mm long, φ25 threaded steel bar bent 90° in the middle, and the surface is coated with rust-proof agent. The steel pipe 4 is composed of a hollow steel pipe with a length of 600mm, an outer diameter of 30mm, and a wall thickness of 2.5mm. The positioning foot 6 is made of a 60mm long steel rod, and the two positioning foot 6 are symmetrically arranged with a spacing of 200mm (see Figure 2 ).

[0024] The embodiments described above are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should all fall within the scope of protection determined by the claims of the present invention.

Claims

1. A temporary fixing device for a ladder, comprising an aluminum alloy staircase formwork (1) and a ladder (2), characterized in that: Two right-angle fixed steel bars (3) composed of a combined section (31) and a plug-in section (32) and a hollow steel pipe (4) are provided. The combined sections (31) of the two fixed steel bars (3) are respectively inserted into two ends of the steel pipe (4) and fixed to the steel pipe via connecting bolts (5). Two positioning feet (6) are welded to the outer surface of the steel pipe (4). The two fixed steel bars (3) and the steel pipe (4) welded with the positioning feet (6) constitute a positioning structure. The staircase aluminum alloy template (1) is provided with connecting holes (a) on both sides of the ladder spacing. The positioning structure is vertically inserted into the connecting holes (a) and fixed to the staircase aluminum alloy template (1) via the two plug-in sections (32) of the fixed steel bars (3). The positioning feet (6) of the positioning structure are hooked on the ladder (2). The staircase aluminum alloy template (1) and the connecting holes (a) provided thereon, the ladder (2) and the positioning structure together constitute a ladder temporary fixing device.

2. The temporary fixing device for ladder according to claim 1, characterized in that: An included angle of 40° to 50° is formed between the axis of the plug-in section (32) of the fixed steel rod (3) of the positioning structure and the axis of the positioning stopper (6) of the steel pipe (4), and the plug-in section (32) of the fixed steel rod (3) is inserted into the steel pipe (4) by no less than 100 mm.

3. The temporary fixing device for ladder according to claim 1 or 2, characterized in that: The positioning stop foot (6) is hooked under the cross brace of the ladder (2).

4. The temporary fixing device for ladder according to claim 1, characterized in that: The connection holes (a) on the bottom surface of the aluminum alloy template (1) have a diameter of 30 mm and a lateral spacing of 800 mm.

5. The temporary fixing device for ladder according to claim 1, characterized in that: The fixed steel rod (3) is composed of a 600 mm long, φ25 threaded steel bar bent 90 degrees in the middle, and the surface is coated with a rust inhibitor. The steel pipe (4) is composed of a hollow steel pipe with a length of 600 mm, an outer diameter of 30 mm, and a wall thickness of 2.5 mm. The positioning stopper (6) is made of a 60 mm long steel rod. The two positioning stoppers (6) are symmetrically arranged with a spacing of 200 mm.

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