Safety protection device for I-shaped steel door-type support

Abstract

The utility model provides a safety protection device for an I-shaped steel door type support, which comprises a disc buckle support, an adjustable base and a connecting mechanism, the bottom end of the disc buckle support is connected with the adjustable base, the adjustable base is fixed on the connecting mechanism, and the connecting mechanism is fixedly connected with the I-shaped steel of the door type support. Therefore, the rail top air duct is prevented from deviating or shaking, the stability of the rail top air duct is improved, and the maintenance cost and time are reduced.

Description

Technical Field

[0001] The present application relates to the technical field of safety protection of cast-in-situ box girder gantry supports during bridge construction, and in particular to a safety protection device for I-beam gantry supports. Background Art

[0002] The construction of urban viaducts is increasing day by day. Usually, the construction environment of urban bridges is complex and there are many constraints. Cast-in-place box girders crossing existing roads without interrupting traffic is a common problem in bridge construction. How to complete the construction of cast-in-place box girders while ensuring smooth and safe traffic on existing roads has always been a major problem faced by cast-in-place box girder construction.

[0003] At present, the cast-in-place box girder supports of urban viaducts usually adopt the form of I-beam gantry supports + full-bridge supports to ensure the normal traffic of existing ground roads. From the beginning of the gantry support to the completion of the full-bridge support, there is no hanging point for the workers' safety belts and lifelines during this period. After the I-beam is erected, there is no edge protection during the process of erecting the formwork and the full-bridge support. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a safety protection device for an I-beam gantry bracket in view of the above-mentioned problems, which is installed and reinforced before the I-beam is installed to serve as edge protection.

[0005] The embodiment of the present application is implemented as follows:

[0006] An embodiment of the present application provides a safety protection device for an I-beam gantry bracket, characterized in that it includes a buckle bracket, an adjustable base and a connecting mechanism, wherein the bottom end of the buckle bracket is connected to the adjustable base, the adjustable base is fixed on the connecting mechanism, and the connecting mechanism is connected and fixed to the I-beam of the gantry bracket.

[0007] In some optional embodiments, the connecting mechanism includes an L-shaped angle steel and a connecting plate, the connecting plate is fixed to the upper wing plate of the portal bracket I-beam, and the L-shaped angle steels are symmetrically arranged on both sides of the web of the portal bracket I-beam and connected to the connecting plate by bolts.

[0008] In some optional embodiments, the disc-lock bracket includes a column steel pipe and a cross bar, the column steel pipe is provided with connecting discs at intervals along the axial direction, and the rod end of the cross bar is provided with a connecting head, and the connecting head is clamped with the connecting disc and fastened by a pin connection.

[0009] In some optional embodiments, the adjustable base includes a base plate, a stud and an adjustable support. The stud is vertically fixed at the center of the top surface of the base plate. The center of the adjustable support is provided with a screw hole configured with the stud, and can be adjusted up and down along the stud. Symmetrical support plates are provided on both sides of the adjustable support. The column steel pipe is socket-connected with the stud and is supported and positioned by the support plates.

[0010] In some optional embodiments, elliptical screw holes are provided at corresponding positions of the L-shaped angle steel and the connecting pad.

[0011] In some optional embodiments, the bottom plate of the adjustable bottom support is welded to the connecting pad.

[0012] In some optional embodiments, the adjustable base and the connecting pad are both made of galvanized steel plates.

[0013] In some optional embodiments, the bolts are high-strength bolts.

[0014] The beneficial effects of the present application are as follows: the present application provides a safety protection device for an I-beam gantry bracket, the installation process of which is safe and environmentally friendly, the entire installation process is completed on the ground, and the installation can be completed by simply tightening the bolts, saving manpower and improving safety; the parts of the entire device are produced in standardized sizes and can be reused; the processing materials are easy to obtain, the cost is economical, and it can be used on a large scale, with obvious economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of a specific embodiment of the utility model.

[0017] Figure 2 It is an exploded view of a specific embodiment of the utility model.

[0018] Figure 3 The utility model is a schematic diagram of the installation of an adjustable base according to a specific embodiment of the utility model. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0021] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0022] The features and performance of the present application are further described in detail below in conjunction with the embodiments.

[0023] like Figure 1 , Figure 2 As shown, the utility model provides a safety protection device for an I-beam gantry bracket, comprising a buckle bracket 1, an adjustable base 2 and a connecting mechanism 3, the bottom end of the buckle bracket is connected to the adjustable base, the adjustable base is fixed on the connecting mechanism, and the connecting mechanism is connected and fixed to the gantry bracket I-beam 4.

[0024] The connection mechanism includes an L-shaped angle steel 5 and a connection pad 6. The connection pad is fixed to the upper wing plate of the portal bracket I-beam. The L-shaped angle steels are symmetrically arranged on both sides of the web of the portal bracket I-beam and are connected to the connection pad by bolts 7. The bolts are high-strength bolts.

[0025] The disc bracket includes a column steel pipe 8 and a cross bar 9. The column steel pipe is provided with connecting discs at intervals along the axial direction. The rod end of the cross bar is provided with a connecting head, which is clamped with the connecting disc and fastened by a pin.

[0026] The adjustable base includes a base plate 10, a stud 11 and an adjustable support 12. The stud is vertically fixed at the center of the top surface of the base plate. A screw hole is provided in the center of the adjustable support and is configured with the stud. It can be adjusted up and down along the stud. Symmetrical support plates are provided on both sides of the adjustable support. The column steel pipe is connected to the stud with a socket and is supported and positioned by the support plate.

[0027] Elliptical screw holes are arranged at corresponding positions of the L-shaped angle steel and the connecting pad, the bottom plate of the adjustable bottom bracket is connected with the connecting pad by welding, and the adjustable bottom bracket and the connecting pad are both made of galvanized steel plates.

[0028] The galvanized spiral base is connected to the perforated galvanized steel plate by welding. The galvanized spiral base can be plugged into the disc bracket and steel pipe to form edge protection. It can also be used as a protective barrier for high-voltage lines, a fixed basis for fences, and can be used as a hanging point for safety ropes and lifelines.

Claims

1. A safety protection device for an I-beam gantry support, characterized in that: It includes a buckle bracket, an adjustable base and a connecting mechanism, wherein the bottom end of the buckle bracket is connected to the adjustable base, the adjustable base is fixed on the connecting mechanism, and the connecting mechanism is connected and fixed to the I-beam of the gate bracket.

2. A safety protection device for an I-beam gantry support according to claim 1, characterized in that: The connecting mechanism includes an L-shaped angle steel and a connecting pad, wherein the connecting pad is fixed to the upper wing plate of the portal bracket I-beam, and the L-shaped angle steels are symmetrically arranged on both sides of the web of the portal bracket I-beam and connected to the connecting pad by bolts.

3. A safety protection device for an I-beam gantry support according to claim 2, characterized in that: The disc buckle bracket includes a column steel pipe and a cross bar. The column steel pipe is provided with connecting discs at intervals along the axial direction. The rod end of the cross bar is provided with a connecting head. The connecting head is clamped with the connecting disc and fastened by a pin connection.

4. A safety protection device for an I-beam gantry support according to claim 3, characterized in that: The adjustable base includes a bottom plate, a stud and an adjustable support. The stud is vertically fixed at the center of the top surface of the bottom plate. A screw hole is provided in the center of the adjustable support and is configured with the stud. The adjustable support can be adjusted up and down along the stud. Symmetrical support plates are provided on both sides of the adjustable support. The column steel pipe is socket-connected with the stud and is supported and positioned by the support plates.

5. A safety protection device for an I-beam gantry support according to claim 2 or 4, characterized in that: Elliptical screw holes are provided at corresponding positions of the L-shaped angle steel and the connecting pad.

6. A safety protection device for an I-beam gantry support according to claim 4, characterized in that: The bottom plate of the adjustable base is connected to the connecting pad by welding.

7. A safety protection device for an I-beam gantry support according to claim 4 or 6, characterized in that: The adjustable base and the connecting pad are both made of galvanized steel plates.

8. A safety protection device for an I-beam gantry support according to claim 2 or 6, characterized in that: The bolts are high-strength bolts.

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