H-shaped steel girder installation assembly type safety protection guardrail

Prefabricated safety guardrails have solved the safety risks during the installation of H-beam main beams, provided safe passage for construction, avoided welding damage, and ensured the reliability and reusability of the structure.

CN223824651UActive Publication Date: 2026-01-23SICHUAN ROAD & BRIDGE EAST CHINA CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202520021488.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-01-23
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

The existing H-beam main beam installation process has high safety risks due to high-altitude welding of steel pipe columns and installation of steel ropes, the lack of kickboards which could lead to the danger of falling debris from high altitudes, and the risk of structural damage from welding and cutting.

Method used

The prefabricated safety guardrail consists of prefabricated guardrail panels, guardrail posts, U-shaped clamps, guardrail bolt sleeves, etc. The H-beam main beam is protected by bolts, avoiding welding operations.

Benefits of technology

It provides safe passage to ensure construction safety, avoids damage from welding at heights, and the structure is reusable, easy, and reliable to install.

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Abstract

The utility model discloses an assembly type safety protection guardrail for mounting an H-shaped steel girder. The structure is applied to the installation process of an upper structure of a dense beam type steel composite beam structure, the problem that no safety protection channel exists in the installation process of an H-shaped steel main beam and a corrugated plate is mainly solved, the structure adopts an assembly type structure form of the assembly type guardrail baffle, the guardrail stand column, the U-shaped clamping plate, the guardrail bolt sleeve and the like, and the assembly type structure is convenient to install and can be repeatedly used; and the construction safety of the upper structure of the dense beam type steel composite beam structure is ensured. The structure has the specific advantages that (1) the structure can be used for hoisting after the main beam is mounted before hoisting, and a safety channel is provided for construction workers in time; (2) the structure adopts an assembly type structure, is free of any welding operation, is convenient to assemble and disassemble, is practical and reliable, and can be repeatedly used;
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Description

TECHNICAL FIELD

[0001] The utility model relates to H type steel main girder construction field, concretely relates to a kind of H type steel main girder assembly type safety protection guardrail. BACKGROUND

[0002] The dense beam type steel composite beam adopts H type steel main girder+wave plate+concrete bridge deck structure, after H type steel main girder installation is completed, wave plate is laid between H type steel, before or during wave plate laying, there is about 1m more wide cavity between H type steel, construction passage needs to be laid on H type steel, currently, steel pipe column is welded on H type steel flange, and steel rope is pulled in form, this structure still has many problems: (1) there is a lot of high-altitude operation in the process of welding steel pipe column and pulling steel rope on H type steel, and the safety risk is high; (2) this structure has no skirting board, and high-altitude debris falling can easily cause injury to personnel below; (3) welding steel pipe on permanent structure H type steel will cause damage to the structure after cutting. SUMMARY

[0003] Therefore, in order to solve the above problems, the utility model provides a kind of H type steel main girder installation assembly type safety protection guardrail;This structure is applied to the installation process of the upper structure of dense beam type steel composite beam structure, mainly solves the problem of no safety protection passage in the installation process of H type steel main girder and wave plate, and the assembly type guardrail baffle, guardrail column, U type clamping plate, guardrail bolt sleeve and other assembly type structure forms are used in this structure, the assembly type structure is convenient to install, and can be reused, which ensures the construction safety of the upper structure of dense beam type steel composite beam structure.

[0004] The utility model is implemented as follows: a kind of H type steel main girder installation assembly type safety protection guardrail is constructed, and it is characterized by: including: assembly type guardrail baffle, guardrail bolt sleeve, guardrail column, U type buckle plate, base stiffener, reverse buckle bolt;Assembly type guardrail baffle is connected to guardrail column by guardrail bolt sleeve;Bolt hole is arranged in the height direction of guardrail column, and U type buckle plate is arranged on the bottom of H type steel main girder;Base stiffener is arranged between U type buckle plate and guardrail column, to ensure the stability of column.

[0005] According to the utility model, a kind of H type steel main girder installation assembly type safety protection guardrail is provided, and it is characterized by: the guardrail bolt sleeve is sleeved on the guardrail column, and is fixed on the guardrail column by bolt in front and back, to connect assembly type guardrail baffle and guardrail column into a whole.

[0006] According to the utility model, a kind of H type steel main girder installation assembly type safety protection guardrail is provided, and it is characterized by: U type buckle plate is fixed on the flange of H type steel main girder by reverse buckle bolt.

[0007] The utility model discloses a H-shaped steel main beam mounting assembly type safety protection guardrail, its characterized in that;U type buckle bottom setting bolt hole and welding nut, through the reverse buckle bolt will be fixed on the H-shaped steel main beam flange U type buckle.

[0008] The utility model discloses a H-shaped steel main beam mounting assembly type safety protection guardrail, its characterized in that;Assembly type guardrail baffle is composed of section steel and steel net.

[0009] The utility model has following advantages: the utility model provides a H-shaped steel main beam assembly type safety protection guardrail, and this structure is applied to the upper structure installation process of dense beam type section steel composite beam structure, mainly solves the problem of no safety protection passageway in the installation process of H-shaped steel main beam and corrugated board, and the structure adopts assembly type guardrail baffle, guardrail stand, U type clamping plate, guardrail bolt sleeve and other assembly type structure forms, and the assembly type structure is convenient to install, is repeatedly used, guarantees the construction safety of dense beam type section steel composite beam structure upper structure, and specific advantages are: (1) this structure can be installed before hoisting the main beam, and then hoists, and provides the safety passageway for the construction worker in time, (2) this structure adopts the assembly type structure, and does not have any welding operation, and is convenient to assemble and disassemble, and practical and reliable, can be repeatedly used. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is H-shaped steel main beam assembly type safety protection guardrail elevation view;

[0011] Figure 2 It is H-shaped steel main beam assembly type safety protection guardrail side view;

[0012] Figure 3 It is H-shaped steel main beam assembly type safety protection guardrail plan view;

[0013] Figure 4 It is H-shaped steel main beam assembly type safety protection guardrail three-dimensional view;

[0014] Figures 5-6 It is guardrail bolt sleeve schematic view.

[0015] Among them: assembly type guardrail baffle 1, guardrail bolt sleeve 2, guardrail stand 3, U type buckle 4, base stiffened plate 5, reverse buckle bolt 6, stand base 7, H-shaped steel main beam 8. DETAILED DESCRIPTION

[0016] The following will combine the accompanying drawings to make the specific description Figures 1-6The utility model discloses a kind of H-shaped steel girder installation assembly type safety protection guardrails, as shown in Fig.

[0017] The utility model provides a kind of H-shaped steel girder installation assembly type safety protection guardrails, as shown in Fig. Figures 1-6 As shown in the following manner can be implemented;Including: assembly type guardrail baffle 1, guardrail bolt sleeve pipe 2, guardrail upright 3, U-shaped buckling plate 4, base stiffener plate 5, reverse buckle bolt 6;Assembly type guardrail baffle 1 is connected to guardrail upright 3 by guardrail bolt sleeve pipe 2;Guardrail upright 3 is laid bolt hole in height direction, bottom is equipped with U-shaped buckling plate 4, is arranged on H-shaped steel girder 8;U-shaped buckling plate 4 and guardrail upright 3 between setting base stiffener plate 5, guaranteeing upright stability.

[0018] In the H-shaped steel girder installation assembly type safety protection guardrails described in the application;The guardrail bolt sleeve pipe 2 is sleeved on the guardrail upright 3, and is fixed on the guardrail upright 3 by bolt in front and back, and the assembly type guardrail baffle 1 and the guardrail upright 3 are connected into a whole.

[0019] In the H-shaped steel girder installation assembly type safety protection guardrails described in the application;U-shaped buckling plate 4 is fixed on the flange of H-shaped steel girder 8 by reverse buckle bolt 6.

[0020] In the H-shaped steel girder installation assembly type safety protection guardrails described in the application;U-shaped buckling plate 4 bottom is provided with bolt hole and welded nut, and U-shaped buckling plate 4 is fixed on the flange of H-shaped steel girder 8 by reverse buckle bolt 6.

[0021] In the H-shaped steel girder installation assembly type safety protection guardrails described in the application;Assembly type guardrail baffle 1 is composed of section steel and steel net.

[0022] The main structure of the patent includes: assembly type guardrail baffle, guardrail bolt sleeve pipe, guardrail upright, U-shaped buckling plate, base stiffener plate, reverse buckle bolt, etc.

[0023] (1) Assembly type guardrail baffle: this structure is composed of section steel and steel net, and is connected to guardrail upright by guardrail bolt sleeve pipe.

[0024] (2) Guardrail bolt sleeve pipe: sleeve pipe is sleeved on upright, and is fixed on upright by bolt in front and back, to connect assembly type guardrail baffle and guardrail upright into a whole.

[0025] (3) Guardrail post: bolt holes are arranged in the height direction of the guardrail post, the bottom is provided with a U-shaped buckling plate, and the guardrail post is arranged on the H-shaped steel main beam.

[0026] (4) U-shaped buckling plate: the U-shaped buckling plate is fixed on the H-shaped steel flange through reverse buckling bolts.

[0027] (5) Base stiffener: a stiffener is arranged between the U-shaped buckling plate and the post to ensure the stability of the post.

[0028] (6) Reverse buckling bolt: bolt holes and welded nuts are arranged at the bottom of the U-shaped buckling plate, and the U-shaped buckling plate is fixed on the H-shaped steel flange through reverse buckling bolts.

[0029] The patent has the following advantages and beneficial effects: (1) the structure can be installed before the main beam is hoisted and then hoisted, and a safe passage is provided for construction workers in time; (2) the structure adopts a fabricated structure, has no welding operation, is convenient to assemble and disassemble, is practical and reliable, and can be repeatedly used.

[0030] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A prefabricated safety guardrail for H-beam main beam installation, characterized in that it comprises: Prefabricated guardrail panel (1), guardrail bolt sleeve (2), guardrail post (3), U-shaped buckle plate (4), base stiffening plate (5), reverse buckle bolt (6); the prefabricated guardrail panel (1) is connected to the guardrail post (3) through the guardrail bolt sleeve (2); bolt holes are arranged in the height direction of the guardrail post (3), and a U-shaped buckle plate (4) is provided at the bottom, which is arranged on the H-shaped steel main beam (8); a base stiffening plate (5) is set between the U-shaped buckle plate (4) and the guardrail post (3).

2. The prefabricated safety guardrail for H-beam main beam installation according to claim 1, characterized in that; The guardrail bolt sleeve (2) is fitted onto the guardrail post (3) and fixed to the guardrail post (3) by bolts at the front and back, connecting the prefabricated guardrail baffle (1) and the guardrail post (3) into a whole.

3. The prefabricated safety guardrail for H-beam main beam installation according to claim 1, characterized in that; The U-shaped buckle plate (4) is fixed to the flange of the H-beam main beam (8) by the reverse buckle bolt (6).

4. The prefabricated safety guardrail for H-beam main beam installation according to claim 1, characterized in that; The bottom of the U-shaped buckle plate (4) is provided with bolt holes and welding nuts. The U-shaped buckle plate (4) is fixed to the flange of the H-shaped steel main beam (8) by means of reverse buckle bolts (6).

5. The prefabricated safety guardrail for H-beam main beam installation according to claim 1, characterized in that... ; The prefabricated guardrail (1) is composed of steel profiles and steel mesh.