Temporary fixing structure for installation of high pier body concrete prefabricated guardrail

Abstract

The utility model provides a high pier body concrete prefabricated guardrail installation temporary fixing structure which is installed on a pier body for use, a pier top cushion stone is arranged on the top of the pier body, the high pier body concrete prefabricated guardrail installation temporary fixing structure comprises a base frame, the base frame is arranged on the pier top cushion stone in a sleeved mode, the bottoms of guardrail bodies are connected with the pier body, and a plurality of groups of guardrail bodies are matched to form an annular fence structure. One end of the telescopic assembly is connected with the base frame, and the other end is connected with the top of the guardrail body. According to the guardrail main body installed through the structure, the safety is high in the installation process, compared with a traditional installation mode, installation is more convenient and efficient, the perpendicularity of the guardrail main body can be adjusted at will in the installation process, and the attractiveness of the installed guardrail main body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrail installation, in particular to a temporary fixing structure for installing a high pier body concrete prefabricated guardrail. Background Art

[0002] The pier top inspection platform is an auxiliary structure of the bridge, and its guardrail is an important safety protection. Due to its varied shapes and small size, it is difficult to form large-scale construction and is rarely used in prefabricated assembled bridges in China. At present, the mainstream construction techniques of inspection platform guardrails mainly include cast-in-place method, prefabrication combined with cast-in-place method, and prefabrication installation method.

[0003] At present, most of the guardrails of the maintenance platform are installed in multiple pieces, and their weight is between 2-6 tons. They are connected to the pier top through cross-reinforcement, and a 20cm*20cm wet joint is set. Before the wet joint is poured, the guardrail and the pier top have only a 5cm wide contact surface, and its center of gravity is outside the pier body. There is a greater risk of falling during the construction process, the installation process is relatively cumbersome, and it is inconvenient to adjust its verticality after installation, which affects its aesthetics to a certain extent. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model proposes a temporary fixing structure for the installation of a high pier body concrete prefabricated guardrail to solve the technical problems raised in the above background technology, that is, it is inconvenient to adjust the verticality of the guardrail during installation, and the installation process is relatively cumbersome, which leads to a reduction in the installation quality and aesthetics of the guardrail.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a temporary fixing structure for installing a high pier body concrete prefabricated guardrail, which is installed on the pier body for use, and a pier top pad stone is arranged on the top of the pier body, including:

[0006] A base frame is sleeved on the pier top pad stone;

[0007] A guardrail body, the bottom of which is connected to the pier body, and a plurality of groups of the guardrail bodies cooperate to form an annular enclosure structure; and

[0008] A telescopic component has one end connected to the base frame and the other end connected to the top of the guardrail body.

[0009] In a preferred embodiment, the base frame includes two groups of mounting frames, which are arranged opposite to each other and cooperate to form a cavity for accommodating the pier top pad stone, and the ends of the two groups of mounting frames are connected by flanges.

[0010] In a preferred embodiment, a first connecting frame is provided on the pier body, a mounting seat is provided at the bottom of the guardrail body, a second connecting frame is provided on the mounting seat, and the first connecting frame is fixedly connected to the second connecting frame.

[0011] In a preferred embodiment, the first connecting frame and the second connecting frame are fixed by welding.

[0012] In a preferred embodiment, the telescopic assembly includes:

[0013] Steel support members are provided in two groups, wherein the steel support members in one group are hinged to the base frame, and the steel support members in the other group are hinged to the guardrail body; and

[0014] The support tube has internal threads at both ends thereof, the two groups of internal threads are rotated in opposite directions, and the two groups of steel support members are respectively threadedly connected with the two groups of internal threads.

[0015] In a preferred embodiment, a U-shaped brace is provided on the guardrail body, wherein a group of the steel support members is hinged to the U-shaped brace.

[0016] In a preferred embodiment, a connecting plate is hinged at the end of one group of the steel supports, and the connecting plate is connected to the base frame.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] When the fixed structure is in use, the guardrail body is first lifted to the installation height by the lifting equipment, the hand winch is connected to the guardrail body and the base frame, and the bottom position of the guardrail body is adjusted to the position by the cooperation of the lifting equipment and the hand winch. Then, the verticality of the guardrail body is measured with the help of a spirit level and a five-line meter, and then the two ends of the telescopic assembly are connected to the guardrail body and the base frame. The verticality of the entire guardrail body can be adjusted by controlling the extension and retraction of the telescopic assembly, so that the guardrail body can be installed to the expected position, and finally the bottom of the guardrail body is fixedly connected to the pier body. The guardrail body installed by this structure has higher safety during the installation process, and its installation is more convenient and efficient than the traditional installation method. In addition, the verticality of the guardrail body can be adjusted arbitrarily during the installation process, which improves the aesthetics of the guardrail body after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation of the utility model, the following will briefly introduce the drawings required for use in the specific implementation. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0020] Figure 1 A front view of a temporary fixing structure for installing a high pier body concrete prefabricated guardrail provided by the utility model;

[0021] Figure 2 It is a top view of a temporary fixing structure for installing a high pier body concrete prefabricated guardrail according to the utility model;

[0022] Figure 3 for Figure 1 A magnified schematic diagram of area a in the middle;

[0023] Reference numerals:

[0024] 1. Pier body; 2. Pier top pad stone; 3. Base frame; 31. Mounting frame; 4. Flange; 5. First connecting frame; 6. Guardrail body; 7. Mounting seat; 8. Second connecting frame; 9. Support pipe; 10. Steel support; 11. U-shaped support; 12. Connecting plate. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the utility model and cannot be understood as limiting the scope of protection of the utility model. Technical personnel in this field can make some non-essential improvements and adjustments to the utility model based on the above application content.

[0026] Example:

[0027] like Figure 1 , 2 As shown, the utility model provides a temporary fixing structure for installing a high pier body concrete prefabricated guardrail, which is installed on the pier body 1 for use. A pier top pad stone 2 is arranged on the top of the pier body 1. The fixing structure includes a base frame 3 which is sleeved on the pier top pad stone 2. The base frame 3 includes two groups of mounting frames 31. The two groups of mounting frames 31 are arranged relative to each other and cooperate to form a cavity for accommodating the pier top pad stone 2. The ends of the two groups of mounting frames 31 are connected by flanges 4.

[0028] The base frame 3 is configured as two sets of U-shaped mounting frames 31 arranged opposite to each other, and the two sets of mounting frames 31 are respectively arranged at both ends of the pier top pad stone 2, and then the mounting frames 31 are connected and fixed to form a complete base frame 3 through flanges 4 and bolts, making the installation of the base frame 3 more convenient.

[0029] like Figure 1 , 2 As shown, in this embodiment, the bottom of the guardrail body 6 is connected to the pier body 1, and multiple groups of guardrail bodies 6 cooperate to form an annular enclosure structure.

[0030] The guardrail body 6 is hoisted to a certain height by a hoisting device, and a hand chain hoist is arranged at the bottom of the guardrail body 6. After the guardrail body 6 is hoisted, the hand chain hoist is connected to the base frame 3, so that the bottom of the guardrail body 6 can be movably connected to the pier body 1. The annular enclosure formed by multiple groups of guardrail bodies 6 can provide more comprehensive protection for the construction area.

[0031] like Figure 1 , 3 As shown, in this embodiment, a telescopic assembly is also included, one end of which is connected to the base frame 3, and the other end is connected to the top of the guardrail body 6. The telescopic assembly includes a support tube 9 and two groups of steel support members 10, one group of steel support members 10 is hinged to the base frame 3, and the other group of steel support members 10 is hinged to the guardrail body 6. Both ends of the support tube 9 are provided with internal threads, and the two groups of internal threads are rotated in opposite directions. The two groups of steel support members 10 are respectively screwed to the two groups of internal threads.

[0032] A U-shaped support 11 is provided on the guardrail body 6, and one group of steel supports 10 is hinged to the U-shaped support 11. A connecting plate 12 is hinged at the end of one group of steel supports 10, and the connecting plate 12 is connected to the base frame 3, wherein the connection method of the connecting plate 12 and the base frame 3 can be welding, and in some embodiments, it can also be bolted. First, the connecting plate 12 at the end of one group of steel supports 10 is welded and fixed to the base frame 3. When the end of the guardrail body 6 contacts the pier body 1, the U-shaped support 11 is clamped and fixed to the guardrail body 6. By rotating the support tube 9, the two groups of steel supports 10 are extended and retracted in the support tube 9, and the installation verticality of the guardrail body 6 can be adjusted by cooperating with the connection structure at both ends.

[0033] like Figure 1 As shown, in this embodiment, a first connecting frame 5 is provided on the pier body 1, a mounting seat 7 is provided at the bottom of the guardrail body 6, a second connecting frame 8 is provided on the mounting seat 7, and the first connecting frame 5 is fixedly connected to the second connecting frame 8. It can be understood that in a preferred embodiment, the first connecting frame 5 and the second connecting frame 8 are fixed by welding. After the adjustment is completed, the mounting seat 7 is abutted against the pier body 1, and the overall installation of the guardrail body 6 can be completed by fixing the first connecting frame 5 and the second connecting frame 8. After the installation is completed, the telescopic assembly can be selectively removed, and the entire installation process is more convenient and safer than the traditional installation method.

[0034] Specific usage and beneficial effects of the utility model:

[0035] When the fixed structure is in use, the guardrail body 6 is first lifted to the installation height by the lifting equipment, and the hand winch is connected to the guardrail body 6 and the base frame 3. The bottom position of the guardrail body 6 is adjusted to the position by the cooperation of the lifting equipment and the hand winch, and then the verticality of the guardrail body 6 is measured with the help of a level ruler and a five-line meter. The ends of the two groups of steel support members 10 are respectively connected to the guardrail body 6 and the base frame 3, and the two groups of steel support members 10 can be extended and retracted in the support tube 9 by rotating the support tube 9, so as to adjust the verticality of the entire guardrail body 6, so that the guardrail body 6 can be installed to the expected position, and finally the bottom of the guardrail body 6 is fixedly connected to the pier body 1. The guardrail body 6 installed by this structure has higher safety during the installation process, and its installation is more convenient and efficient than the traditional installation method. In addition, the verticality of the guardrail body 6 can be adjusted arbitrarily during the installation process, thereby improving the aesthetics of the guardrail body 6 after installation.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments. On the basis of the utility model, some modifications or improvements can be made thereto, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the utility model all belong to the scope of protection claimed by the utility model.

Claims

1. A temporary fixed structure for installing a prefabricated concrete guardrail for a high pier body, which is installed on a pier body (1) for use, wherein a pier top cushion stone (2) is arranged on the top of the pier body (1), and is characterized in that: Included are: A base frame (3) is sleeved on the pier top cushion stone (2); A guardrail body (6) is connected to the pier body (1) at the bottom, and a plurality of groups of the guardrail bodies (6) cooperate to form an annular enclosure structure; and A telescopic component has one end connected to the base frame (3) and the other end connected to the top of the guardrail body (6).

2. A temporary fixing structure for installing a high pier body concrete prefabricated guardrail according to claim 1, characterized in that: The base frame (3) comprises two groups of mounting frames (31), the two groups of mounting frames (31) are arranged opposite to each other and cooperate to form a cavity for accommodating the pier top pad stone (2), and the ends of the two groups of mounting frames (31) are connected via flanges (4).

3. A temporary fixing structure for installing a high pier concrete prefabricated guardrail according to claim 1, characterized in that: A first connecting frame (5) is arranged on the pier body (1), a mounting seat (7) is arranged at the bottom of the guardrail body (6), a second connecting frame (8) is arranged on the mounting seat (7), and the first connecting frame (5) and the second connecting frame (8) are fixedly connected.

4. A temporary fixing structure for installing a high pier concrete prefabricated guardrail according to claim 3, characterized in that: The first connecting frame (5) and the second connecting frame (8) are fixed by welding.

5. The temporary fixing structure for installing a high pier concrete prefabricated guardrail according to claim 1 is characterized in that: The telescopic assembly comprises: Steel support members (10) are provided in two groups, wherein one group of the steel support members (10) is hinged to the base frame (3), and the other group of the steel support members (10) is hinged to the guardrail body (6); and The support tube (9) has internal threads at both ends thereof, the two groups of internal threads have opposite rotation directions, and the two groups of steel support members (10) are respectively threadedly connected to the two groups of internal threads.

6. A temporary fixing structure for installing a high pier body prefabricated concrete guardrail according to claim 5, characterized in that: A U-shaped support (11) is provided on the guardrail body (6), wherein a group of the steel support members (10) is hingedly connected to the U-shaped support (11).

7. The temporary fixing structure for installing a high pier concrete prefabricated guardrail according to claim 5 is characterized by: A connecting plate (12) is hingedly connected to the end of one group of the steel support members (10), and the connecting plate (12) is connected to the base frame (3).

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