Shaped steel step plate of climbing ladder for people to go up and down on construction site

By designing a detachable upper and lower caliper connection structure and setting up drain holes and anti-slip strips, the problems of low stability and inconvenient handling of step plates on the existing construction site are solved, and the effects of convenient installation, improved turnover utilization and enhanced safety performance are achieved.

CN222501602UActive Publication Date: 2025-02-18THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD
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Patent Information

Application Number
CN202420298010.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-19
Publication Date
2025-02-18
Estimated Expiration
2034-02-19

AI Technical Summary

Technical Problem

The ladder tread boards at the existing construction site have low stability and are inconvenient to disassemble and carry, resulting in low turnover and use rate and easy slippage on rainy days, posing safety hazards.

Method used

A fixed steel pedal plate is designed, using upper calipers and lower calipers to connect the pedal and main rod to achieve a detachable structure, which is convenient for installation and handling; at the same time, a drain hole and anti-slip strip are installed on the pedal to enhance drainage and anti-slip performance. And enhance safety performance through the card block and plug-in bar structure.

Benefits of technology

It realizes the convenience of installation and handling of step boards at the construction site, saves working hours and labor costs, improves the turnover and use rate of materials, enhances the anti-slip and safety performance of the pedals, and adapts to the turnover and use of multiple projects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ladder treads, in particular to a shaped steel tread of a ladder for people to climb up and down on a construction site, which comprises an upper caliper, a drain hole and a fixture block, and has the beneficial effects that the upper caliper is arranged, and a detachable pedal is connected with a main rod through the upper caliper and the lower caliper, so that the steel tread is convenient and quick to install on the construction site, and the construction efficiency is improved. A worker can carry a plurality of parts, installation is convenient, the turnover utilization rate of materials is improved, drainage is convenient in rainy days through the arrangement of the drainage holes, the antiskid coefficient of the pedal is increased through the design of the antiskid strips, the clamping blocks are arranged on the inner sides of the upper calipers and connected with the clamping grooves in the outer sides of the main rods in a clamped mode, and the pedal and the main rods are prevented from sliding relative to each other when the pedal bears loads; the inner side of the lower caliper is provided with the insertion rod, and the insertion rod is connected with the connecting rod in an insertion manner, so that when the pedal bears load, part of force acts on the insertion rod, the pedal is prevented from bearing overweight, the nut and the screw rod are prevented from loosening, and the safety performance of the crawling ladder is enhanced.
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Description

Technical Field

[0001] The utility model relates to the technical field of ladder treads, in particular to a standardized steel tread for people to climb up and down the ladder at a construction site. Background Art

[0002] A tread is a platform for walking or stepping on. It usually has a flat surface and a fixed structure and can be used in different occasions and for different purposes. There are many types and materials of treads. Common ones include wooden treads, metal treads, and plastic treads. Treads installed on ladders can provide a stable stepping platform, making it convenient for people to walk, work or perform repairs on the ladder.

[0003] The standards of existing ladders for people going up and down vary. Most of them are simply constructed using steel pipes. The treads are less stable and inconvenient to disassemble, which wastes working hours and labor costs during transportation, resulting in a low turnover rate of the ladders. Therefore, the utility model proposes a standardized steel tread for ladders for people going up and down on construction sites to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a standardized steel tread for people to climb up and down the ladder at a construction site, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a standardized steel tread for people to climb up and down the ladder at the construction site, comprising

[0006] The pedal has horizontal columns symmetrically arranged on the left and right ends of the pedal, the length of the horizontal columns is greater than the length of the pedal, and the extended parts on both sides of the horizontal columns are connecting rods. The four connecting rods are symmetrically fixed on the left and right ends of the front and rear sides of the pedal, the outer sides of the two connecting rods on the right end are clamped and connected to the upper caliper with the opening inclined to the upper left, and the outer sides of the two connecting rods on the left end are clamped and connected to the upper caliper with the opening inclined to the lower right. The upper calipers are arranged parallel to each other, the left ends of the two upper calipers on the right end are welded to the lower caliper, and the right ends of the two upper calipers on the left end are welded to the lower caliper. Each group of the upper calipers is cross-connected and fixed, and each lower caliper is clamped and connected to the corresponding main rod. All the main rods are parallel to each other, and each upper caliper and lower caliper includes an upper hinge plate and a lower hinge plate.

[0007] Preferably, the bottom end of the lower hinged plate of the upper caliper is welded to the bottom end of the lower hinged plate of the lower caliper in a cross shape, the upper hinged plate and the lower hinged plate are hingedly connected on one side and plugged into a screw on the other side, and the lower end of the screw passes through the upper hinged plate and the lower hinged plate to thread the nut.

[0008] Preferably, a plurality of drain holes are opened in a linear array at the top end of the pedal, and the plurality of drain holes are opened through to the bottom end of the pedal, and a plurality of anti-slip strips are provided in the linear array at the top end of the pedal.

[0009] Preferably, a clamping block is fixed at the middle position of the top end of the lower hinged plate of each upper caliper, and the clamping block is clamped and connected with the clamping slot, and the clamping slots are symmetrically opened on the outside of the main rod.

[0010] Preferably, a corresponding insertion rod is fixed at the middle position of the top end of the lower hinged plate of each lower caliper, and the insertion rod is plug-connected with the slot, and the slot is respectively opened on the outer side of the connecting rod close to one end of the main rod.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model provides an upper caliper, which connects the detachable pedal to the main rod through the upper caliper and the lower caliper, which is quick and easy to install at the construction site, and workers can carry multiple pieces, which is easy to install, saving work time and labor costs. At the same time, it can be used for multiple projects, improving the turnover rate of materials, easy to use and convenient to store. By providing a drainage hole, it is convenient to drain water on rainy days and is less restricted by weather conditions. It solves the problem of the pedal slipping when encountering water, and the design of the anti-skid strip increases the anti-skid coefficient of the pedal. By providing a clamping block on the inner side of the upper caliper, the clamping block is clamped and connected to the clamping groove on the outer side of the main rod, so that the pedal and the main rod are prevented from sliding relative to each other when the pedal bears weight, thereby avoiding safety accidents. By providing an insertion rod on the inner side of the lower caliper, the insertion rod is plug-connected to the connecting rod, and when the pedal bears weight, part of the force is applied to the insertion rod to prevent the pedal from bearing too much weight and the nut and screw from loosening, thereby enhancing the safety performance of the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0015] Figure 3 It is a front side sectional view of the present utility model;

[0016] Figure 4 for Figure 1 A schematic diagram of the structure at center A;

[0017] Figure 5 for Figure 3 A magnified schematic diagram of the structure at point B.

[0018] In the figure: pedal 1, cross column 2, connecting rod 3, upper caliper 4, lower caliper 5, upper hinge plate 6, lower hinge plate 7, screw 8, nut 9, main rod 10, drain hole 11, anti-slip strip 12, block 13, slot 14, insertion rod 15, slot 16. DETAILED DESCRIPTION

[0019] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "one," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] For the purpose of simplicity and illustration, the principles of the embodiments are described primarily with reference to examples. In the following description, many specific details are provided to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring the understanding of these embodiments. In addition, all embodiments may be used in combination with each other.

[0023] See also Figures 1 to 5 The utility model provides a technical solution: a standardized steel tread for people to climb up and down the ladder at the construction site, including

[0024] Pedal 1, the left and right ends of the pedal 1 are symmetrically provided with cross columns 2, the length of the cross column 2 is greater than the length of the pedal 1, the extended parts on both sides of the cross column 2 are connecting rods 3, and the four connecting rods 3 are symmetrically fixed on the left and right ends of the front and rear sides of the pedal 1. The outer sides of the two connecting rods 3 on the right end are clamped and connected to the upper caliper 4 with the opening inclined to the upper left, and the outer sides of the two connecting rods 3 on the left end are clamped and connected to the upper caliper 4 with the opening inclined to the lower right. The upper calipers 4 are arranged parallel to each other, the left ends of the two upper calipers 4 on the right end are welded to the lower caliper 5, and the right ends of the two upper calipers 4 on the left end are welded to the lower caliper 5. Each group of upper calipers 4 is cross-shaped and fixed to the lower caliper 5, and each lower caliper 5 is clamped and connected to the corresponding main rod 10. The main rods 10 are parallel to each other, and each upper caliper 4 and lower caliper 5 includes an upper hinge plate 6 and a lower hinge plate 7. The bottom end of the lower hinge plate 7 of the upper caliper 4 is welded to the bottom end of the lower hinge plate 7 of the lower caliper 5 in a cross shape. The upper hinge plate 6 and the lower hinge plate 7 are hingedly connected on one side and the screw 8 is plugged into the other side. The lower end of the screw 8 passes through the upper hinge plate 6 and the lower hinge plate 7 and is threadedly connected to the nut 9. The detachable pedal 1 is connected to the main rod 10 through the upper caliper 4 and the lower caliper 5. It is quick and easy to install at the construction site. Workers can carry multiple pieces, which is easy to install, saving working hours and labor costs. At the same time, it can be used in multiple projects, improving the turnover rate of materials, and is easy to use and store.

[0025] There are several drainage holes 11 in the linear array at the top of the pedal 1, and the several drainage holes 11 are opened to the bottom of the pedal 1. There are several anti-slip strips 12 in the linear array at the top of the pedal 1. By setting the drainage holes 11, drainage is convenient on rainy days and is less restricted by weather conditions. The problem of the pedal slipping when encountering water is solved. The design of the anti-slip strips 12 increases the anti-slip coefficient of the pedal.

[0026] A clamping block 13 is fixed to the middle position of the top end of the lower hinged plate 7 of each upper caliper 4, and the clamping block 13 is clamped and connected with the clamping slot 14. The clamping slots 14 are symmetrically opened on the outside of the main rod 10, and a corresponding plug rod 15 is fixed to the middle position of the top end of the lower hinged plate 7 of each lower caliper 5. The plug rod 15 is plugged and connected with the slot 16. The slots 16 are respectively opened on the outside of the connecting rod 3 near the end of the main rod 10. By arranging a clamping block 13 on the inner side of the upper caliper 4 and clamping the clamping block 13 with the clamping slot 14 on the outer side of the main rod 10, relative sliding between the pedal 1 and the main rod 10 is prevented when the pedal 1 bears weight, thereby avoiding safety accidents. By arranging an plug rod 15 on the inner side of the lower caliper 5 and plugging the plug rod 15 with the connecting rod 3, when the pedal 1 bears weight, part of the force is applied to the plug rod 15 to prevent the pedal 1 from bearing too much weight and the nut 9 and the screw 8 from loosening, thereby enhancing the safety performance of the ladder.

[0027] The detachable pedal 1 is connected to the main rod 10 by the upper caliper 4 and the lower caliper 5. It is quick and easy to install at the construction site. Workers can carry multiple pieces, which is easy to install, saving working hours and labor costs. At the same time, it can be used for multiple projects, improving the turnover rate of materials, easy to use and easy to store. By setting the drainage hole 11, drainage is convenient on rainy days and is less restricted by weather conditions. The problem of the pedal slipping when encountering water is solved. The design of the anti-slip strip 12 increases the anti-slip coefficient of the pedal. By setting a block 13 on the inner side of the upper caliper 4, the block 13 is clamped and connected with the clamping groove 14 on the outer side of the main rod 10 to prevent the pedal 1 and the main rod 10 from sliding relative to each other when the pedal 1 bears weight, thereby avoiding safety accidents. By setting an insertion rod 15 on the inner side of the lower caliper 5, the insertion rod 15 is plugged and connected with the connecting rod 3. When the pedal 1 bears weight, part of the force is applied to the insertion rod 15 to prevent the pedal 1 from bearing too much weight and the nut 9 and the screw 8 from loosening, thereby enhancing the safety performance of the ladder.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A standardized steel tread plate for people to climb up and down the ladder at the construction site, characterized in that: include A pedal (1), wherein the left and right ends of the pedal (1) are symmetrically provided with cross columns (2), the length of the cross columns (2) is greater than the length of the pedal (1), and the extension parts on both sides of the cross columns (2) are connecting rods (3), and four connecting rods (3) are symmetrically fixed on the left and right ends of the front and rear sides of the pedal (1), and the outer sides of the two connecting rods (3) at the right end are clamped and connected to the upper caliper (4) with the opening inclined to the upper left, and the outer sides of the two connecting rods (3) at the left end are clamped and connected to the upper caliper (4) with the opening inclined to the lower right. The upper calipers (4) are arranged parallel to each other, the left ends of the two upper calipers (4) at the right end are welded to the lower calipers (5), and the right ends of the two upper calipers (4) at the left end are welded to the lower calipers (5), each group of the upper calipers (4) and the lower calipers (5) are connected and fixed in a cross shape, each lower caliper (5) is clamped and connected to the corresponding main rod (10), all the main rods (10) are parallel to each other, and each upper caliper (4) and lower caliper (5) includes an upper hinge plate (6) and a lower hinge plate (7).

2. The shaped steel tread plate for people climbing up and down the ladder on the construction site according to claim 1 is characterized by: The bottom end of the lower hinged plate (7) of the upper caliper (4) is welded to the bottom end of the lower hinged plate (7) of the lower caliper (5) in a cross shape. The upper hinged plate (6) is hingedly connected to the lower hinged plate (7) on one side and plugged into a screw rod (8) on the other side. The lower end of the screw rod (8) passes through the upper hinged plate (6) and the lower hinged plate (7) to thread a nut (9).

3. The shaped steel tread plate for people climbing up and down the ladder on the construction site according to claim 1 is characterized by: The top of the pedal (1) is provided with a plurality of drain holes (11) in a linear array, the plurality of drain holes (11) are opened through to the bottom of the pedal (1), and the top of the pedal (1) is provided with a plurality of anti-slip strips (12) in a linear array.

4. The shaped steel tread plate for people climbing up and down the ladder on the construction site according to claim 1 is characterized by: A clamping block (13) is fixed at the middle position of the top end of the lower hinged plate (7) of each upper clamp (4), and the clamping block (13) is clamped and connected with a clamping slot (14), and the clamping slots (14) are symmetrically arranged on the outside of the main rod (10).

5. The shaped steel tread plate for people climbing up and down the ladder on the construction site according to claim 1 is characterized by: A corresponding insertion rod (15) is fixed at the middle position of the top end of the lower hinged plate (7) of each lower caliper (5), and the insertion rod (15) is plug-connected with a slot (16), and the slot (16) is respectively opened on the outer side of the connecting rod (3) near one end of the main rod (10).