Anti-falling large-span steel structure bridge construction protection structure

Abstract

The utility model relates to the technical field of construction protection, in particular to an anti-falling large-span steel structure bridge construction protection structure. Comprising a bridge floor, bridge piers, a fixing assembly, a moving assembly and a protection assembly, the bridge piers are fixedly arranged at the bottom of the bridge floor, the protection assembly is arranged at the bottom of the bridge floor and fixedly arranged between the two bridge piers, the moving assembly is fixedly arranged between the two bridge piers and connected with the bridge floor through the fixing assembly, and the protection assembly is movably arranged at the top of the moving assembly. The fixed assembly comprises a fixed telescopic column and an extension plate, the fixed telescopic column is vertically arranged at the top of the movable assembly, the extension plate is fixedly arranged at the top of the fixed telescopic column, the extension plate is fixedly connected with the bridge floor, the movable assembly is fixedly connected through the bottom of the telescopic column, and the bridge floor is fixedly connected through the extension plate; equivalently, the whole structure is fixedly connected with the bridge pier and the bridge floor, so that the whole structure is more stable, and the problems in the prior art are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction protection technical field, more specifically, especially relates to a prevent falling's big span steel bridge construction protection structure. BACKGROUND

[0002] Big span also is called span, often refers to the calculated span, with l indicates, it is the distance between the center of two adjacent pier support of bridge, and the bigger the span is, the more difficult the construction is, and the protection structure is arranged to ensure the construction safety in the construction.

[0003] The existing construction protection structure is mostly installed on the pier, and the foot frame is fixed between the foot frame through the bolt and the like fixing part, and the installation process is time-consuming and laborious, and the foot frame cannot be recycled after use, and the stability of the existing protection structure is insufficient, and is easily deformed under the influence of wind force or construction load. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a technical scheme capable of solving the above problems.

[0005] A prevent falling's big span steel bridge construction protection structure, including bridge deck, pier, fixed assembly, mobile assembly and protection assembly, the pier is fixedly arranged at the bottom of the bridge deck, the protection assembly is arranged at the bottom of the bridge deck, the protection assembly is fixedly arranged between the two piers, the mobile assembly is fixedly arranged between the two piers and is connected with the bridge deck through the fixed assembly, the protection assembly is movably arranged at the top of the mobile assembly, the fixed assembly includes fixed telescopic column and extension plate, the fixed telescopic column is vertically arranged at the top of the mobile assembly, the extension plate is fixedly arranged at the top of the fixed telescopic column, and the extension plate is fixedly connected with the bridge deck.

[0006] Further, the bottom of the fixed telescopic column is fixedly provided with a first connecting plate, and the first connecting plate and the mobile assembly are fixedly connected through the first bolt.

[0007] Further, the bottom of the fixed telescopic column is fixedly provided with a first connecting plate, and the first connecting plate and the mobile assembly are fixedly connected through the first bolt.

[0008] Further, the mobile assembly includes telescopic plate, first rotary connecting piece and first fixed plate, the first fixed plate is arranged on the side of the telescopic plate away from each other and close to the pier, the telescopic plate and the first fixed plate are rotatably connected through the first rotary connecting piece, and the first fixed plate is fixedly connected with the pier.

[0009] Further, the two sides of the telescopic plate are fixedly provided with first connecting blocks, and the side close to the telescopic plate of the first fixed plate is fixedly provided with a second connecting block, and the second connecting block and the first connecting block are connected through a first rotary connecting piece.

[0010] Further, a sliding groove is formed in the top of the telescopic plate, and the protection assembly comprises a protection box, an automatic push rod, a second rotary connecting piece, a second fixed plate and a sliding rod, one end of the automatic push rod is fixedly arranged on the side of the protection box, the second fixed plate is arranged at the other end of the automatic push rod through the second rotary connecting piece, the second fixed plate is fixedly connected with the pier, and the sliding rod is fixedly arranged at the bottom of the protection box and movably arranged in the sliding groove.

[0011] Further, the other end of the automatic push rod is fixedly provided with a third connecting block, and the second fixed plate is fixedly provided with a fourth connecting block close to the automatic push rod, and the third connecting block and the fourth connecting block are connected through a second rotary connecting piece.

[0012] Further, the second fixed plate and the pier are connected through a third bolt.

[0013] Further, a step is fixedly arranged in the protection box.

[0014] Further, a fourth bolt is arranged between the first fixed plate and the pier.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Compared with the prior art, the anti-falling long-span steel structure bridge construction protection structure of the utility model is more stable through the cooperation of the telescopic column and the extension plate in the fixing assembly, the telescopic column is vertically arranged at the top of the moving assembly, the extension plate is fixedly arranged at the top of the telescopic column, the extension plate is fixedly connected with the bridge deck, the moving assembly is fixedly connected with the pier, the protection assembly is arranged at the top of the moving assembly, the moving assembly is fixedly connected through the bottom of the telescopic column, the extension plate is fixedly connected with the bridge deck, and the whole structure is fixedly connected with not only the pier but also the bridge deck. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0018] Figure 1 It is the whole structure schematic view of the anti-falling long-span steel structure bridge construction protection structure in the utility model.

[0019] Figure 2 It is the whole structure schematic view of the protection assembly in the utility model.

[0020] Figure 3 Figure 1 is a partial structure schematic view of the protection assembly in the utility model.

[0021] Figure 4 Figure 2 is a partial structure schematic view of the fixed and mobile assembly in the utility model.

[0022] In the drawing: 1, bridge deck; 2, pier; 3, fixed assembly; 301, fixed telescopic column; 302, first connecting plate; 303, first bolt; 304, extension plate; 305, second connecting plate; 306, second bolt; 4, mobile assembly; 401, telescopic plate; 402, first connecting block; 403, second connecting block; 404, first rotary connecting piece; 405, first fixed plate; 406, sliding groove; 5, protection assembly; 501, protection box; 502, automatic push rod; 503, third connecting block; 504, fourth connecting block; 505, second rotary connecting piece; 506, second fixed plate; 507, slide bar; 508, step; 509, third bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] As shown in the drawing, Figure 1 The anti-falling long-span steel structure bridge construction protection structure in the embodiment includes a bridge deck 1, a pier 2, a fixed assembly 3, a mobile assembly 4 and a protection assembly 5. The pier 2 is fixedly arranged at the bottom of the bridge deck 1. The protection assembly 5 is arranged at the bottom of the bridge deck 1. The protection assembly 5 is arranged between the two piers 2. The mobile assembly 4 is arranged between the two piers 2 and is connected with the bridge deck 1 through the fixed assembly 3. The protection assembly 5 is movably arranged on the top of the mobile assembly 4.

[0025] In the utility model, as Figure 1 , 4As shown, the movable component 4 includes a telescopic plate 401, a first rotating connector 404, and a first fixed plate 405. The first fixed plate 405 is disposed on the side of the telescopic plate 401 that is away from each other and close to the pier 2. A first connecting block 402 is welded to the side of the telescopic plate 401 that is away from each other and close to the pier 2. A second connecting block 403 is welded to the side of the first fixed plate 405 that is close to the telescopic plate 401. The second connecting block 403 and the first connecting block 402 are connected by the first rotating connector 404. Specifically, the first rotating connector 404 is a first pivot, and the first fixed plate 405 is connected to the pier 2 by a fourth bolt.

[0026] In this utility model, such as Figure 2 , 3 As shown in Figure 4, the top of the telescopic plate 401 has a sliding groove 406. The protective assembly 5 includes a protective box 501, an automatic push rod 502, a second rotating connector 505, a second fixing plate 506, and a sliding rod 507. A step 508 is welded inside the protective box 501. One end of the automatic push rod 502 is welded to the side of the protective box 501, and the other end of the automatic push rod 502 is welded to a third connecting block 503. A fourth connecting block 504 is welded to the second fixing plate 506 near the automatic push rod 502. The third connecting block 503 and the fourth connecting block 504 are connected by the second rotating connector 505. Specifically, the second rotating connector 505 is a pivot. The second fixing plate 506 is connected to the pier 2 by a third bolt 509. The sliding rod 507 is welded to the bottom of the protective box 501 and is movable within the sliding groove 406.

[0027] In this utility model, such as Figure 1 As shown, the fixed component 3 includes a fixed telescopic column 301 and an extension plate 304. The fixed telescopic column 301 is vertically installed on the top of the movable component 4. The extension plate 304 is welded to the top of the fixed telescopic column 301. A first connecting plate 302 is welded to the bottom of the fixed telescopic column 301. The first connecting plate 302 is connected to the movable component 4 by a first bolt 303. A second connecting plate 305 is welded to the bottom of the end of the extension plate 304. The second connecting plate 305 is fixedly connected to the top of the bridge deck 1 by a second bolt 306.

[0028] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A construction protection structure for long-span steel bridges to prevent falls, characterized in that: The system includes a bridge deck (1), piers (2), a fixed component (3), a movable component (4), and a protective component (5). The piers (2) are fixedly installed at the bottom of the bridge deck (1). The protective component (5) is installed at the bottom of the bridge deck (1) and is fixedly installed between two piers (2). The movable component (4) is fixedly installed between two piers (2) and connected to the bridge deck (1) through the fixed component (3). The protective component (5) is movably installed on the top of the movable component (4). The fixed component (3) includes a fixed telescopic column (301) and an extension plate (304). The fixed telescopic column (301) is vertically installed on the top of the movable component (4). The extension plate (304) is fixedly installed on the top of the fixed telescopic column (301) and is fixedly connected to the bridge deck (1).

2. The construction protection structure for preventing falls on long-span steel bridges according to claim 1, characterized in that: It also includes a first bolt (303), and a first connecting plate (302) is fixedly provided at the bottom of the fixed telescopic column (301). The first connecting plate (302) and the moving component (4) are fixedly connected by the first bolt (303).

3. The construction protection structure for preventing falls on long-span steel bridges according to claim 2, characterized in that: It also includes a second bolt (306), and a second connecting plate (305) is fixedly provided at the bottom of the end of the extension plate (304), and the second connecting plate (305) is fixedly connected to the top of the bridge deck (1) by the second bolt (306).

4. The construction protection structure for preventing falls on long-span steel bridges according to claim 3, characterized in that: The movable component (4) includes a telescopic plate (401), a first rotating connector (404), and a first fixed plate (405). The first fixed plate (405) is disposed on the side of the telescopic plate (401) that is far away from each other and close to the pier (2). The telescopic plate (401) and the first fixed plate (405) are rotatably connected by the first rotating connector (404). The first fixed plate (405) is fixedly connected to the pier (2).

5. The construction protection structure for a long-span steel bridge with fall prevention according to claim 4, characterized in that: The telescopic plate (401) is fixedly provided with a first connecting block (402) on both sides, and the first fixed plate (405) is fixedly provided with a second connecting block (403) on the side near the telescopic plate (401). The second connecting block (403) and the first connecting block (402) are connected by the first rotating connector (404).

6. The construction protection structure for a long-span steel bridge with fall prevention according to claim 5, characterized in that: The top of the telescopic plate (401) is provided with a sliding groove (406). The protective component (5) includes a protective box (501), an automatic push rod (502), a second rotating connector (505), a second fixing plate (506), and a sliding rod (507). One end of the automatic push rod (502) is fixedly disposed on the side of the protective box (501). The second fixing plate (506) is disposed on the other end of the automatic push rod (502) through the second rotating connector (505). The second fixing plate (506) is fixedly connected to the pier (2). The sliding rod (507) is fixedly disposed at the bottom of the protective box (501) and is movable within the sliding groove (406).

7. A construction protection structure for preventing falls on long-span steel bridges according to claim 6, characterized in that: The other end of the automatic push rod (502) is fixedly provided with a third connecting block (503), and the second fixing plate (506) is fixedly provided with a fourth connecting block (504) near the automatic push rod (502). The third connecting block (503) and the fourth connecting block (504) are connected by the second rotating connector (505).

8. A construction protection structure for preventing falls on long-span steel bridges according to claim 7, characterized in that: It also includes a third bolt (509), through which the second fixing plate (506) is connected to the pier (2).

9. A construction protection structure for preventing falls on long-span steel bridges according to claim 8, characterized in that: A step (508) is fixedly installed inside the protective box (501).

10. A construction protection structure for preventing falls on long-span steel bridges according to claim 9, characterized in that: It also includes a fourth bolt, through which the first fixing plate (405) is connected to the pier (2).

Images