Prefabricated stair hoisting installation guiding and positioning device

Abstract

The utility model discloses a prefabricated stair hoisting installation guiding and positioning device which comprises a first measuring and positioning scale, an expansion nut is arranged at the lower end of the first measuring and positioning scale, and the inner side surface of the expansion nut is connected with a positioning marker post through threads. A second measuring and positioning scale is slidably inserted into the inner side surface of the first measuring and positioning scale in a penetrating mode, a first scale strip is arranged on the upper surface of the first measuring and positioning scale, and a second scale strip is arranged on the upper surface of the second measuring and positioning scale. The expansion nut and the positioning marker post are arranged, when the device is used, a mounting hole of a hoisted prefabricated stair is inserted along the positioning marker post to be placed and positioned, and the device is convenient to position and guide and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to prefabricated stair hoisting installation guiding and positioning device field, more specifically, a prefabricated stair hoisting installation guiding and positioning device. BACKGROUND

[0002] The prefabricated stair is a stair that is prefabricated in a factory and transported to the site for assembly. Its manufacturing process includes template making, steel bar binding, concrete pouring, and curing, etc. All these processes are managed and monitored uniformly in the factory to ensure the quality of each stair. The prefabricated stair has the following characteristics: easy installation; after the prefabricated stair is completed in the factory, it only needs to be transported to the site for installation, which saves the process of on-site manufacturing and reduces the precision problem and time cost of on-site processing; quality controllable; since it is manufactured in the factory, the prefabricated stair has the characteristics of standardization and high precision, and its quality is guaranteed. After intensive curing, it is more durable and reliable, and it is also aesthetically pleasing and practical.

[0003] Wide range of applications; the prefabricated stair is suitable for various building sites, such as residential buildings, commercial buildings, public facilities, etc. Especially for large-scale construction projects, the use of prefabricated stairs can greatly improve the engineering progress and quality, and reduce safety risks. The advantages of prefabricated stairs include high efficiency, fast construction speed, and high controllability of quality, etc. However, there are still some problems in the construction of prefabricated stairs at present, such as lack of technicality in construction, improper component stacking and protection measures, etc. These problems need to be considered in the design stage of the building scheme. In addition, the cost comparison between prefabricated stairs and cast-in-place stairs shows that prefabricated stairs are suitable for projects that use the same size of stairs on a large scale because the mold cost is higher. For projects with a large variety of stairs and a small number of stairs, cast-in-place stairs may be more economical.

[0004] When the prefabricated stair is installed, it needs to be hoisted and installed. The bottom placement surface cannot be accurately positioned during hoisting and installation, and it is easy to knock and jam during installation. Therefore, it is not convenient to guide and position during hoisting and installation. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model aims to provide a prefabricated stair hoisting installation guiding and positioning device. It uses a measuring and positioning scale structure to accurately measure and position points. It sets an expansion nut and a positioning rod. When in use, the installation hole of the hoisted prefabricated stair is inserted along the positioning rod for positioning. The positioning and guiding are convenient, and the use is convenient.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] The utility model provides a prefabricated stair hoisting installation guide positioning device, including the first measurement positioning scale, the lower end of first measurement positioning scale is provided with expansion nut, the inner side surface of expansion nut is connected with the positioning staff through the thread, the inner side surface of first measurement positioning scale is inserted with the second measurement positioning scale, the upper surface of first measurement positioning scale is provided with first scale bar, the upper surface of second measurement positioning scale is provided with second scale bar, it adopts measurement positioning scale structure to carry out accurate measurement positioning point, it sets up expansion nut and positioning staff, when using, the installation hole department of hoisted prefabricated stair is inserted along the positioning staff department and can be placed positioning, and the positioning guide is convenient, and the use is convenient.

[0008] Further, the first measurement positioning scale adopts a square scale structure, and a strip-shaped opening is arranged on the upper surface of the square scale structure.

[0009] Further, a penetrating opening is formed in the side surface of the first measurement positioning scale, and the outer surface of the second measurement positioning scale is slidably connected to the inner surface of the penetrating opening.

[0010] Further, a bolt is threadedly connected to the upper surface of the first measurement positioning scale, and the bolt is locked and fixed to the upper surface of the second measurement positioning scale.

[0011] Further, a threaded hole is formed in the upper surface of the first measurement positioning scale, and the outer surface of the bolt is threadedly connected to the inner surface of the threaded hole of the first measurement positioning scale.

[0012] Further, a threaded column is arranged on the lower surface of the positioning staff, and the outer surface of the threaded column is threadedly connected to the inner surface of the expansion nut. The positioning staff is made of a light pole, and the outer surface of the positioning staff is smooth, polished and polished. In addition, a spherical protrusion is arranged on the upper surface of the positioning staff.

[0013] Further, the first measurement positioning scale and the second measurement positioning scale are made of stainless steel.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) The utility model adopts a measurement positioning scale structure to accurately measure and position a point, and sets an expansion nut and a positioning staff. When the utility model is used, the installation hole of a hoisted prefabricated stair is inserted along the positioning staff, and the prefabricated stair can be positioned. The positioning guide is convenient, and the utility model is easy to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The first schematic view of the overall structure of the utility model is shown in the figure.

[0017] Figure 2The second schematic view of the overall structure of the utility model;

[0018] Figure 3 The third schematic view of the overall structure of the utility model;

[0019] Figure 4 The schematic view of the cross section of the overall structure of the utility model;

[0020] Figure 5 The first measuring positioning scale and the threaded hole distribution schematic view of the utility model.

[0021] Mark explanation in the drawing:

[0022] 1 first measuring positioning scale, 2 expansion nut, 3 positioning rod, 4 second measuring positioning scale, 100 first scale bar, 400 second scale bar, 5 insertion opening, 6 bolt, 60 threaded hole, 30 spherical convex. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5 A prefabricated stair hoisting installation guiding and positioning device, including first measuring positioning scale 1, the lower end of first measuring positioning scale 1 is provided with expansion nut 2, the inner side surface of expansion nut 2 is connected with positioning rod 3 through screw thread, the inner side surface of first measuring positioning scale 1 is slidably inserted with second measuring positioning scale 4, the upper surface of first measuring positioning scale 1 is provided with first scale bar 100, and the upper surface of second measuring positioning scale 4 is provided with second scale bar 400;It adopts the structure of measuring positioning scale to accurately measure the positioning point, is provided with expansion nut and positioning rod, and the installation hole of the hoisted prefabricated stair is inserted along the positioning rod during use, so that the positioning can be placed, which is convenient for positioning and guiding and using;

[0026] First measuring positioning scale 1 adopts square ruler structure, and the upper surface is provided with a strip-shaped opening, and positioning rod 3 is inserted into the inner side surface of the strip-shaped opening of first measuring positioning scale 1;It is provided with a strip-shaped opening on the surface of first measuring positioning scale 1, which can be used for punching positioning along the strip-shaped opening;Expansion nut 2 can be inserted into the punched hole, and the positioning rod can be installed subsequently;

[0027] The side surface of the first measurement positioning ruler 1 is provided with a through insertion opening 5, and the outer surface of the second measurement positioning ruler 4 is slidingly connected to the inner surface of the through insertion opening 5; the second measurement positioning ruler 4 can be inserted and installed along the through insertion opening 5, and the length of the second measurement positioning ruler 4 can be slidingly adjusted during use, so that the use is convenient;

[0028] The upper surface of the first measurement positioning ruler 1 is provided with a bolt 6 which is fixedly connected to the upper surface of the second measurement positioning ruler 4; the upper surface of the first measurement positioning ruler 1 is provided with a threaded hole, and the outer surface of the bolt 6 is threadedly connected to the inner surface of the threaded hole of the first measurement positioning ruler 1; the installation of the bolt 6 is facilitated, and the second measurement positioning ruler 4 can be fixedly connected to the bolt 6 by tightening the bolt 6 during use, so that the fixing is firm;

[0029] The lower surface of the positioning rod 3 is provided with a threaded column, and the outer surface of the threaded column is threadedly connected to the inner surface of the expansion nut 2; the positioning rod 3 is a smooth rod, and the outer surface of the positioning rod 3 is smooth and polished; and the upper surface of the positioning rod 3 is provided with a spherical convex 30; the positioning rod 3 is smooth, and the end surface of the positioning rod 3 is provided with the spherical convex 30; when the prefabricated stair is placed, the positioning rod 3 can be easily inserted into the hole at the two ends of the prefabricated stair, so that the prefabricated stair is easily positioned and placed, and the use is convenient;

[0030] The first measurement positioning ruler 1 and the second measurement positioning ruler 4 are made of stainless steel; stainless steel has many advantages, including corrosion resistance, high strength, high temperature resistance, hygiene, aesthetics, environmental protection and easy processing; the corrosion resistance of stainless steel is excellent, and it can resist the corrosion of most chemical media, especially in humid and corrosive environments; the high strength and toughness of stainless steel enable it to maintain structural integrity under high load and impact, and it is suitable for various structural engineering;

[0031] During use, the first measurement positioning ruler 1 is placed on the installation surface, and the length of the second measurement positioning ruler 4 is adjusted by sliding; the position of the Y-axis is measured by the second measurement positioning ruler 4, and the position of the X-axis is measured by the first measurement positioning ruler 1; the first measurement positioning ruler 1 is provided with a strip-shaped opening on the upper surface, and the positioning rod 3 is inserted into the inner surface of the strip-shaped opening of the first measurement positioning ruler 1; the surface of the first measurement positioning ruler 1 is provided with a strip-shaped opening, and after the measurement point is measured, the hole can be drilled along the strip-shaped opening; the expansion nut 2 is inserted into the drilled hole, and then the positioning rod is installed (the lower surface of the positioning rod 3 is provided with a threaded column, and the outer surface of the threaded column is threadedly connected to the inner surface of the expansion nut 2, so that the installation is convenient); after the positioning rod 3 is installed, the first measurement positioning ruler 1 and the second measurement positioning ruler 2 can be directly taken out by sliding upward, so that the first measurement positioning ruler 1 and the second measurement positioning ruler 2 are quickly taken out, and the use is convenient;

[0032] When positioning and placing, the prefabricated stair is directly placed outside the positioning rod 3 and falls into the two end holes of the prefabricated stair, which is convenient for positioning and guiding placement and use.

[0033] The above merely describes a preferred specific implementation of the present application; however, the scope of protection of the present application is not limited thereto. Any person skilled in the art, within the technical range disclosed by the present application, according to the technical scheme and improvement concept of the present application, can make equivalent substitutions or changes, which should be encompassed in the scope of protection of the present application.

Claims

1. A prefabricated stair hoisting installation guide positioning device comprising a first measuring positioning scale (1), characterized in that: The lower end of the first measuring positioning scale (1) is provided with an expansion nut (2), the inner side surface of the expansion nut (2) is connected with a positioning rod (3) through threads, the inner side surface of the first measuring positioning scale (1) is slidingly inserted with a second measuring positioning scale (4), the upper surface of the first measuring positioning scale (1) is provided with a first scale bar (100), and the upper surface of the second measuring positioning scale (4) is provided with a second scale bar (400).

2. A pre-fabricated stair hoisting installation guide positioning device according to claim 1, characterized in that: The first measuring positioning scale (1) adopts a square ruler structure, the upper surface of the square ruler structure is provided with a strip-shaped opening, and the positioning rod (3) is inserted into the inner side surface of the strip-shaped opening of the first measuring positioning scale (1).

3. A pre-fabricated stair hoisting installation guide positioning device according to claim 1, characterized in that: The side surface of the first measuring positioning scale (1) is provided with a penetrating opening (5), and the outer surface of the second measuring positioning scale (4) is slidingly connected to the inner side surface of the penetrating opening (5).

4. A pre-fabricated stair hoisting installation guide positioning device according to claim 1, characterized in that: The upper surface of the first measuring positioning scale (1) is connected with a bolt (6) through threads, and the bolt (6) is locked and fixed to the upper surface of the second measuring positioning scale (4).

5. A pre-fabricated stair hoisting installation guide positioning device according to claim 1, characterized in that: The upper surface of the first measuring positioning scale (1) is provided with a threaded hole (60), and the outer surface of the bolt (6) is connected to the inner side surface of the threaded hole (60) of the first measuring positioning scale (1) through threads.

6. A pre-fabricated stair hoisting installation guide positioning device according to claim 1, characterized in that: The lower surface of the positioning rod (3) is provided with a threaded column, the outer surface of the threaded column is connected to the inner side surface of the expansion nut (2) through threads, the positioning rod (3) adopts a light rod piece, the outer surface of the positioning rod (3) is smooth and polished, and the upper surface of the positioning rod (3) is provided with a spherical convex (30).

7. A pre-fabricated stair hoisting installation guide positioning device according to claim 1, characterized in that: The first measuring positioning scale (1) and the second measuring positioning scale (4) adopt stainless steel materials.

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