Steel structure operation platform for bridge pipeline laying

Abstract

The utility model relates to a steel structure operation platform for bridge pipeline laying, which comprises a support plate welded at the bottom of a support frame, a mounting frame fixed on one side of the top of the support frame, a climbing ladder fixedly connected with one side of the support frame, a concave base plate fixed on one side of the support plate, handrails respectively fixed on two sides of the climbing ladder, and a steel plate fixed on one side of the support plate. The base plate is located below the climbing ladder, a through hole is formed in the supporting plate, and limiting columns are fixed to the four corners of the lower side of the supporting plate respectively. The mounting frame is located on a sidewalk on one side of a bridge, the device can be mounted and fixed by placing a balance weight on the mounting frame, and the supporting plate is located below one side of the bridge, so that a worker can move downwards through the climbing ladder to step on the concave base plate and hold the handrail by hands, and the device is convenient to use. A worker can conveniently, safely and reliably move on the base plate and climb over the bottom plate on the lower side of the supporting plate, so that the device is convenient for the worker to relatively safely and reliably climb on the platform bottom plate.

Description

Technical Field

[0001] The utility model relates to a bridge pipeline laying technology, in particular to a steel structure working platform for bridge pipeline laying. Background Art

[0002] During the laying process of gas pipelines, it is necessary to cross the river. The pipeline crossings are designed to be laid overhead with the bridge. The bridge deck sidewalk foundation adopts a concrete hollow lightweight design. During the construction process of the overhead laying with the bridge, bracket welding, pipeline hoisting, welding, anti-corrosion, fixation, and flaw detection must be carried out under the bridge. Ordinary hanging baskets cannot be used for operations. The water flow under the bridge is turbulent and it is impossible to set up brackets. Currently, most operations are carried out by renting special bridge vehicles or work platforms. Special bridge vehicles are not suitable for bridges with more complex working conditions. The existing work platforms are often not convenient for adjusting the height of the platform according to the needs of the operating staff, and it is not convenient for the staff to climb onto the platform bottom plate relatively safely and reliably. Utility Model Content

[0003] The utility model aims to provide a steel structure work platform for laying bridge pipelines, which is used to solve the problem that the existing work platform is often not convenient for adjusting the height position of the platform according to the needs of the operating staff, and it is not convenient for the staff to safely and reliably climb onto the platform bottom plate.

[0004] In order to solve the above problems, the utility model provides a steel structure working platform for laying bridge pipelines, including a support plate welded to the bottom of a support frame, a mounting frame is fixed to one side of the top of the support frame, a climbing ladder is fixedly connected to one side of the support frame, a concave pad is fixed to one side of the support plate, handrails are respectively fixed on both sides of the climbing ladder, the pad is located below the climbing ladder, a through hole is opened on the support plate, limiting columns are respectively fixed at the four corners of the lower side of the support plate, a bottom plate is slidably connected to the four limiting columns, guardrails are respectively fixed around the bottom plate, and the top of the guardrail can be located in the through hole.

[0005] The steel structure work platform for laying bridge pipelines provided by the utility model also has the following technical features:

[0006] Furthermore, lifting ears are fixed at the four corners of the top of the support frame.

[0007] Furthermore, a non-slip mat is laid on the upper side of the pad, and the handrail is arranged in an L shape.

[0008] Furthermore, a guard frame is fixed on the upper side of the support plate.

[0009] Furthermore, a cross rod is provided in the through hole, the cross rod is fixedly connected to the inner wall of the support plate, a stud is threadedly connected to the middle of the cross rod, and the bottom of the stud is rotatably connected to the bottom plate.

[0010] Furthermore, a screw cap is fixed on the top of the stud, a plurality of insertion holes arranged in a circular array are opened on the cross rod, and an insertion rod that can move up and down is provided on the screw cap, and the insertion rod can be inserted into the corresponding insertion hole.

[0011] The utility model has the following beneficial effects: by locating the mounting frame on the sidewalk on one side of the bridge, the device can be installed and fixed by placing a counterweight on the mounting frame, and the support plate is located below one side of the bridge, so that the staff can move downward via the climbing ladder, thereby stepping on the concave pad, and by holding the handrail, the staff can move relatively safely and reliably on the pad, and climb over to the bottom plate on the lower side of the support plate, so that the device is convenient for the staff to relatively safely and reliably climb onto the platform bottom plate, and by adjusting the position of the bottom plate on the limit column in advance, the height position of the bottom plate can be adjusted according to the needs of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an axonometric diagram of an embodiment of the utility model;

[0013] Figure 2 It is a front view cutaway diagram of an embodiment of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of an embodiment of the utility model installed on a bridge. DETAILED DESCRIPTION

[0015] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0016] like Figures 1 to 3In the embodiment of the steel structure work platform for laying bridge pipelines of the utility model shown, the steel structure work platform for laying bridge pipelines includes a support plate 2 welded to the bottom of a support frame 1, a mounting frame 3 is fixed to one side of the top of the support frame 1, the support frame 1 is made of channel steel as the main frame, a climbing ladder 4 is fixedly connected to one side of the support frame 1, the climbing ladder 4 is made of galvanized square steel and galvanized flat steel, a concave pad 5 is fixed to one side of the support plate 2, handrails 6 are respectively fixed on both sides of the climbing ladder 4, the pad 5 is located below the climbing ladder 4, a through hole is opened on the support plate 2, and limiting columns 7 are respectively fixed at the four corners of the lower side of the support plate 2, a bottom plate 8 is slidably connected to the four limiting columns 7, and guardrails are respectively fixed on the four sides of the bottom plate 8 9. The guardrail 9 plays a protective role. The top of the guardrail 9 can be located in the through hole, so that the mounting frame 3 can be located on the sidewalk on one side of the bridge. The device can be installed and fixed by placing a counterweight on the mounting frame 3, and the support plate 2 is located below one side of the bridge, so that the staff can move downward through the climbing ladder 4, thereby stepping on the concave pad 5, and by holding the handrail 6, it is convenient for the staff to move relatively safely and reliably on the pad 5, and climb over to the bottom plate 8 on the lower side of the support plate 2, so that the device is convenient for the staff to board the platform bottom plate 8 relatively safely and reliably, and by adjusting the position of the bottom plate 8 on the limit column 7 in advance, it is convenient to adjust the height position of the bottom plate 8 according to the needs of the staff.

[0017] In one embodiment of the present application, preferably, lifting ears 10 are fixed at the four corners of the top of the support frame 1, and the arrangement of the four lifting ears 10 facilitates the lifting of the device by a car crane, thereby facilitating the placement of the device at a suitable position.

[0018] In one embodiment of the present application, preferably, an anti-skid pad 11 is laid on the upper side of the pad 5 to prevent workers from slipping when walking on the pad 5, and the handrail 6 is arranged in an L shape to facilitate the workers to hold on to when turning and walking.

[0019] In one embodiment of the present application, preferably, a protective frame 12 is fixed to the upper side of the support plate 2, and the protective frame 12 plays a further protective role.

[0020] In one embodiment of the present application, preferably, a cross rod 13 is provided in the through hole, the cross rod 13 is fixedly connected to the inner wall of the support plate 2, a stud 14 is threadedly connected to the middle part of the cross rod 13, the bottom of the stud 14 is rotatably connected to the bottom plate 8, and no thread is provided at the place where the stud 14 is rotatably connected to the bottom plate 8. By rotating the stud 14, the bottom plate 8 can be driven to move upward or downward.

[0021] In one embodiment of the present application, preferably, a screw cap 15 is fixed to the top of the stud 14, a plurality of sockets arranged in a circular array are provided on the cross rod 13, and an insertion rod 16 that can be moved up and down is provided on the screw cap 15, and the insertion rod 16 can be inserted into the corresponding socket. When the base plate 8 is adjusted to a suitable height range, the insertion rod 16 can be inserted into the corresponding socket, so that the stud 14 cannot rotate.

[0022] When the utility model is in use, by rotating the stud 14, the bottom plate 8 can be driven to move upward or downward, thereby adjusting the height position of the bottom plate 8. When the bottom plate 8 is adjusted to a suitable height range, the insertion rod 16 can be inserted into the corresponding insertion hole, so that the stud 14 cannot rotate. By arranging two automobile cranes on the asphalt pavement of the bridge and hoisting the device through the lifting ears 10, the mounting frame 3 is located on the sidewalk on one side of the bridge. The device can be installed and fixed by placing a counterweight on the mounting frame 3, and the support plate 2 is located below one side of the bridge. The staff can move downward via the climbing ladder 4, thereby stepping on the concave pad 5, and by holding the handrail 6, it is convenient for the staff to move relatively safely and reliably on the pad 5, and climb over to the bottom plate 8 on the lower side of the support plate 2, so that the device is convenient for the staff to relatively safely and reliably climb onto the platform bottom plate 8, so that it is convenient for the staff to perform operations such as bracket installation, pipeline welding, and spray painting for anti-corrosion under the bridge.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A steel structure work platform for laying bridge pipelines, comprising a support plate (2) welded to the bottom of a support frame (1), characterized in that: A mounting frame (3) is fixed to one side of the top of the support frame (1), a climbing ladder (4) is fixedly connected to one side of the support frame (1), a concave pad (5) is fixed to one side of the support plate (2), handrails (6) are respectively fixed to both sides of the climbing ladder (4), the pad (5) is located below the climbing ladder (4), a through hole is opened on the support plate (2), limiting columns (7) are respectively fixed at the four corners of the lower side of the support plate (2), a bottom plate (8) is slidably connected to the four limiting columns (7), guardrails (9) are respectively fixed around the four sides of the bottom plate (8), and the top of the guardrail (9) can be located in the through hole.

2. The steel structure work platform for laying bridge pipelines according to claim 1 is characterized by: Lifting ears (10) are respectively fixed at the four corners of the top of the support frame (1).

3. The steel structure work platform for laying bridge pipelines according to claim 1 is characterized by: An anti-slip pad (11) is laid on the upper side of the pad (5), and the handrail (6) is arranged in an L shape.

4. The steel structure work platform for laying bridge pipelines according to claim 1 is characterized by: A protective frame (12) is fixed on the upper side of the support plate (2).

5. The steel structure work platform for laying bridge pipelines according to claim 1 is characterized by: A cross rod (13) is provided in the through hole, the cross rod (13) is fixedly connected to the inner wall of the support plate (2), a stud (14) is threadedly connected to the middle of the cross rod (13), and the bottom of the stud (14) is rotatably connected to the bottom plate (8).

6. The steel structure work platform for laying bridge pipelines according to claim 5 is characterized by: A screw cap (15) is fixed on the top of the stud (14); a plurality of insertion holes arranged in a ring array are provided on the cross rod (13); an insertion rod (16) movable up and down is provided on the screw cap (15); and the insertion rod (16) can be inserted into the corresponding insertion hole.

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