Bridge deck structure of steel trestle

Abstract

The utility model relates to the technical field of steel trestles, in particular to a bridge deck structure of a steel trestle, which comprises a plurality of support beams and a flat plate, the support beams are arranged side by side, the flat plate is laid on the support beams, and cross beams are connected among the support beams; positioning holes are formed in the supporting beams, and positioning columns correspondingly matched with the positioning holes are arranged at the bottom of the flat plate; and a hook lock connecting assembly connected with the cross beam is arranged below the flat plate. The utility model is more convenient to mount and dismount, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel trestle technical field, specifically, relate to a bridge deck slab structure of steel trestle. BACKGROUND

[0002] Steel trestle is a kind of temporary or semi-permanent bridge structure, mainly using steel to build, and it has wide application in various engineering constructions, such as water conservancy project, bridge engineering, port engineering, offshore wind power engineering etc., and it is often used as construction passage, material transportation passage and mechanical equipment passing carrier.The bridge deck slab structure is mainly composed of cross beam, longitudinal beam and bridge deck steel plate.

[0003] The conventional bridge deck slab is laid on the supporting beam and is connected by bolt connection or welding mode, and the connection mode makes it inconvenient to disassemble when the bridge deck steel plate needs to be replaced due to damage and deformation, and the operation is more troublesome, therefore, a bridge deck slab structure which is more convenient to install and disassemble is designed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a bridge deck slab structure of steel trestle which can be more conveniently installed and disassembled to improve work efficiency.

[0005] The utility model discloses a bridge deck slab structure of steel trestle, including supporting beam and flat plate, and multiple supporting beams are arranged side by side, the flat plate is laid on the supporting beam, and the supporting beam is connected with cross beam;Positioning hole is equipped on the supporting beam, and the bottom of flat plate is equipped with the positioning column corresponding with the positioning hole and adapts;The lower portion of flat plate is equipped with the hook lock connection component connected with the cross beam.

[0006] Further, the hook lock connection component includes a locking hook and a boom, one end of the boom is connected to the bottom of the flat plate, and one end of the locking hook is hingedly connected to the lower end of the boom;The cross beam is clamped between the two locking hooks.

[0007] Further, the bottom of the cross beam is provided with a groove opening adapted to the locking hook.

[0008] Further, the side surface of the supporting beam is provided with a sliding groove, and the two ends of the cross beam are connected to the sliding groove by sliding.

[0009] Further, the two ends of the cross beam are provided with arc heads.

[0010] Further, multiple flat plates are uniformly and spacedly arranged on the cross beam, and expansion joints are arranged between adjacent flat plates.

[0011] Further, the expansion joint is covered with rubber skin.

[0012] Further, the flat plate is provided with a lifting hole.

[0013] The utility model discloses at least the following advantages and beneficial effects: the utility model discloses through setting up the positioning column and hook lock connecting component, makes its flat plate vertical down -shift when can complete automatic installation locking, and the hook piece only needs to pull out the groove mouth to detach the flat plate, makes its dismounting more simple, has improved construction and maintenance efficiency greatly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the side view of the bridge deck plate structure of the steel trestle in the utility model;

[0015] Figure 2 It is the plan view of the bridge deck plate structure of the steel trestle in the utility model;

[0016] Figure 3 It is the connecting schematic view of the support beam and crossbeam in the utility model;

[0017] Figure 4 It is the structure schematic view of the hook lock connecting component in the utility model;

[0018] Figure 5 It is the front view of the bridge deck plate structure of the steel trestle in the utility model.

[0019] Sign significance: 1-support beam, 11-positioning hole, 2-flat plate, 21-lifting hole, 22-positioning column, 3-crossbeam, 31-groove mouth, 32-circular arc head, 4-hook lock connecting component, 41-hook piece, 42-lifting rod, 5-sliding slot, 6-expansion joint, 7-rubber skin. DETAILED DESCRIPTION

[0020] The following is further illustrated in conjunction with specific embodiments, referring to Figures 1-5 The utility model discloses a bridge deck plate structure of steel trestle, including support beam 1 and flat plate 2, and a plurality of support beam 1 is arranged side by side, and flat plate 2 is laid on support beam 1, and the crossbeam 3 is connected between support beam 1;Support beam 1 is equipped with positioning hole 11, and the bottom of flat plate 2 is equipped with the positioning column 22 corresponding with positioning hole 11 adaptation, and the bottom of flat plate 2 is equipped with the hook lock connecting component 4 connected with crossbeam 3 below flat plate 2;Specifically, flat plate 2 is hoisted to the appropriate position by hoisting equipment, so that the positioning column 22 on flat plate 2 can be inserted into the position corresponding to positioning hole 11, the bottom of flat plate 2 is in contact with support beam 1, and hook lock connecting component 4 is locked around support beam 1 during the downward movement of flat plate 2, realizing the multi-degree-of-freedom limiting of flat plate 2, which is simple and convenient to install;When flat plate 2 needs to be dismounted, the hook part of hook lock connecting component 4 is disconnected with crossbeam 3 by pulling out, so that flat plate 2 can be removed vertically, thereby improving the construction efficiency.

[0021] More preferably, the hook-and-loop connection assembly 4 in some embodiments includes a hook piece 41 and a boom 42, one end of the boom 42 is connected to the bottom of the flat plate 2, and one end of the hook piece 41 is hinged to the lower end of the boom 42; the crossbeam 3 is clamped between the two hook pieces 41; specifically, the upper surface of the crossbeam 3 is arc-shaped, and the two hook pieces 41 form a claw structure; during the lowering process of the flat plate 2, the hook piece 41 will be in contact with the surface of the crossbeam 3 to open until the hook piece 41 moves down to the bottom of the crossbeam 3, and the two hook pieces 41 are closed to hook the bottom of the crossbeam 3, so that the flat plate 2 cannot be pulled up to disconnect the hook piece 41 from the crossbeam 3; and to disconnect the connection, the hook piece 41 only needs to be pulled out.

[0022] As shown in the drawings, Figure 4 the bottom of the crossbeam 3 in the embodiment is provided with a groove opening 31 matched with the hook piece 41; specifically, the groove opening 31 is a flat-bottomed groove, and the hook part of the hook piece 41 is clamped in the groove opening 31 and is not easy to fall off, so that the firmness is higher.

[0023] As shown in the drawings, Figure 1 and Figure 3 in order to facilitate the adjustment of the position of the crossbeam 3 according to the placement position of the flat plate 2, a sliding groove 5 is installed on the side of the support beam 1, and the two ends of the crossbeam 3 are connected to the sliding groove 5 for sliding connection; specifically, the crossbeam 3 is perpendicular to the support beam 1, and the crossbeam 3 can move along the sliding groove 5 to adjust the position.

[0024] As shown in the drawings, Figure 1 a circular arc head 32 can be provided at the two ends of the crossbeam 3 to prevent the crossbeam 3 from falling off the sliding groove 5.

[0025] As shown in the drawings, Figure 2 the plurality of flat plates 2 in the embodiment are uniformly arranged on the crossbeam 3, and a expansion joint 6 is arranged between adjacent flat plates 2; specifically, the flat plate 2 is made of steel material, which is greatly affected by temperature, so that the expansion joint 6 is arranged to reduce the temperature influence.

[0026] In order to improve the integrity and safety of the bridge deck, the expansion joint 6 is covered with a rubber skin 7.

[0027] As shown in the drawings, Figure 2 in order to facilitate the hoisting equipment to transfer and install the flat plate 2, a hoisting hole 21 is formed in the flat plate 2, and a steel wire rope can pass through the installation hole for suspension.

[0028] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A bridge deck structure of a steel trestle comprising support beams (1) and a slab (2), a plurality of said support beams (1) being arranged side by side, said slab (2) being laid on said support beams (1), characterized in that: Support beams (1) are connected with cross beams (3) between them; Positioning holes (11) are arranged on the support beams (1), and the bottoms of the flat plates (2) are provided with positioning columns (22) corresponding to the positioning holes (11); A hook-and-lock connecting assembly (4) is arranged below the flat plate (2) and connected with the cross beam (3).

2. The steel trestle deck plate structure according to claim 1, characterized by: The hook-and-lock connecting assembly (4) comprises a hooking piece (41) and a suspender (42), one end of the suspender (42) is connected to the bottom of the flat plate (2), and one end of the hooking piece (41) is hingedly connected to the lower end of the suspender (42). The cross beam (3) is clamped between the two hooking pieces (41).

3. The steel trestle deck plate structure according to claim 2, characterized by: The bottom of the cross beam (3) is provided with a groove (31) matched with the hooking piece (41).

4. The steel trestle deck panel structure according to claim 1, characterized by: Sliding grooves (5) are arranged on the sides of the support beams (1), and the two ends of the cross beam (3) are connected with the sliding grooves (5) through sliding.

5. The steel trestle deck panel structure according to claim 4, characterized in that: The two ends of the cross beam (3) are provided with arc heads (32).

6. The steel trestle deck panel structure according to claim 1, characterized by: A plurality of flat plates (2) are arranged on the cross beam (3) in uniform intervals, and expansion joints (6) are arranged between adjacent flat plates (2).

7. The steel trestle deck panel structure according to claim 6, characterized by: Rubber skins (7) are arranged on the expansion joints (6).

8. The steel trestle deck panel structure according to claim 1, characterized by: Hoisting holes (21) are arranged on the flat plates (2).

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