CN-224213062-U - Combined spliced roadbed box structure

Abstract

The utility model discloses a combined spliced roadbed box structure which comprises a bearing box body, splicing assemblies at two sides, a retraction assembly and a lifting lug assembly. The assembly component consists of a hinging seat, a guide rod and a guide seat, wherein the hinging seat is in sliding connection with the guide seat through the guide rod, and the adjacent boxes are hinged through pin shafts. The lifting lug assembly comprises an assembly seat, a connecting column and a hanging ring, wherein the connecting column is matched with the guide through groove through a limiting clamping plate, so that lifting and rotary positioning are realized. The retraction assembly is linked with the guide rod and the connecting column to control the extension of the hinging seat. The utility model realizes rapid assembly through linkage design, adapts to roadbed fluctuation and enhances bearing capacity. The girder steel structure optimizes load distribution, and the upper backing plate is established anti-skidding line and arc and is stung the tooth, improves stability and security. The modularized design is convenient for transportation and repeated use, is suitable for various engineering vehicle traffic, and has higher practical value.

Inventors

• ZHU YIFU

Assignees

• 长沙英平机械制造有限责任公司

Dates

Publication Date

20260508

Application Date

20250526

Claims (5)

1. 1. The combined spliced roadbed box structure is characterized by comprising a bearing box body (1), and an assembling component (2), a retracting component (3) and a lifting lug component (4) which are assembled on two sides of the bearing box body (1) and keep matched combination, The assembly component (2) comprises a hinging seat (21), a guide rod (22) and a guide seat (23), wherein the root of the hinging seat (21) is fixedly connected with the guide rod (22) which is horizontally arranged, the guide seat (23) is fixedly connected to the side wall of the bearing box body (1) and is in sliding connection with the guide rod (22), and the hinging seats (21) arranged on two sides of the bearing box body (1) are hinged in a matched mode through pin shafts; The lifting lug assembly (4) comprises an assembly seat (41), a connecting column (42) and a hanging ring (43), wherein the assembly seat (41) is fixedly connected into a bearing box body (1), a guide through groove (411) which is arranged along the vertical direction is formed in the assembly seat, an upper limit clamping groove (412) and a lower limit clamping groove (413) are respectively formed in the upper end and the lower end of the guide through groove (411), the connecting column (42) is inserted into the guide through groove (411) in a nested mode, a limit clamping plate (421) which can be in nested clamping connection with the upper limit clamping groove (412) and the lower limit clamping groove (413) is fixedly connected onto the connecting column (42), and the hanging ring (43) is rotatably mounted on the top end of the guide column and is arranged above the bearing box body (1); The retraction assembly (3) is assembled to the inner side of the bearing box body (1) and is combined with the guide rod (22) and the connecting column (42) in a linkage way.
2. 2. The combined spliced roadbed box structure according to claim 1, wherein the bearing box body (1) comprises a steel beam structure (13), and an upper layer base plate (11) and a lower layer base plate (12) fixedly connected to the upper side and the lower side of the steel beam structure (13), and the steel beam structure (13) comprises a transverse steel beam (131), a longitudinal steel beam (132) and an oblique steel beam (133) which are spliced and welded into a unified whole.
3. 3. The combined spliced roadbed box structure according to claim 2, wherein assembling sinking grooves (111) are formed in two sides of the upper-layer base plate (11), the assembling base (41) is fixedly arranged at the bottom of the assembling sinking grooves (111), and the top ends of the connecting columns (42) and the hanging rings (43) are uniformly distributed in the assembling sinking grooves (111); Arc-shaped biting teeth (112) which are uniformly distributed are fixedly connected to the outer edges of two sides of the upper-layer base plate (11), and the arc-shaped biting teeth (112) arranged on two adjacent groups of bearing boxes (1) are kept in matched occlusion.
4. 4. The combined spliced roadbed box structure according to claim 1, wherein the retractable assembly (3) comprises a connecting support (31) and a connecting rod (32), the connecting support (31) is hinged to the bottom end of the connecting column (42), and two ends of the connecting rod (32) are hinged to the connecting support (31) and the guide rod (22).
5. 5. The combined spliced roadbed box structure according to claim 4, wherein the retraction assembly (3) is combined with a plurality of groups of splicing assemblies (2) in a linkage manner, a plurality of groups of connecting rods (32) are hinged on the connecting bracket (31), and each group of connecting rods (32) is respectively hinged with a guide rod (22) in the corresponding splicing assembly (2); The retractable assembly (3) further comprises a supporting spring (33) assembled on the connecting support (31), and two ends of the supporting spring (33) are respectively in abutting connection with the connecting support (31) and the assembling seat (41).

Description

Combined spliced roadbed box structure Technical Field The utility model relates to the technical field of roadbed boxes, in particular to a combined spliced roadbed box structure. Background In construction, road construction and heavy equipment operation sites, the laying of temporary roadbed is important to ensure the stable passing of construction vehicles and machines. The traditional roadbed treatment mode generally adopts a steel plate paving or concrete pouring mode, but the methods have obvious limitations that the joint is easy to generate dislocation or sedimentation when the steel plate is paved, so that the passing unevenness is caused, the concrete roadbed has long construction period and high cost, cannot be recycled, and is difficult to meet the flexible requirement of a temporary construction site. In order to solve the above problems, a modular spliced roadbed box structure is presented in the prior art, and a continuous and stable temporary pavement is formed by splicing and combining a plurality of bearing units. However, the existing spliced roadbed boxes still have the following technical defects: 1. The rigidity of the connecting structure is insufficient, namely, the adjacent roadbed boxes are generally hinged or spliced, so that the connecting structure is difficult to adapt to the fluctuation of a complex foundation, and the connecting position is easy to loosen or misplace, so that the passing stability and safety of vehicles are affected. 2. The assembly and disassembly efficiency is low, the hinged parts of the traditional structure are required to be aligned and fixed one by one manually, the operation is complex, the quick positioning function is lacking in the hoisting process, and the construction time cost is increased. 3. The bearing capacity is limited, the supporting structure of the existing roadbed box is mostly dependent on vertical bearing design, the dispersion capacity of the bearing structure on partial loads in the horizontal direction (such as shearing force when a vehicle turns or brakes) is insufficient, and structural deformation or weld cracking is easy to cause after long-term use. Disclosure of Invention Aiming at the defects in the prior art, the utility model aims to provide a combined spliced roadbed box structure, so that the splicing efficiency and the bearing performance of the roadbed box are improved, the stability and the safety of a temporary roadbed are obviously improved through self-adaptive adjustment and anti-slip shear design, and the combined spliced roadbed box structure has higher engineering practical value. The technical scheme adopted by the utility model for achieving the purpose is that the combined spliced roadbed box structure comprises a bearing box body, and an assembling component, a retracting component and a lifting lug component which are assembled on two sides of the bearing box body and keep matched combination. The assembly component comprises a hinge seat, guide rods and guide seats, wherein the root parts of the hinge seats are fixedly connected with the guide rods which are horizontally arranged, the guide seats are fixedly connected to the side walls of the bearing box body and are in sliding connection with the guide rods, and the hinge seats arranged on the two sides of the bearing box body are hinged in a matched mode through pin shafts. The lifting lug assembly comprises an assembly seat, a connecting column and a hanging ring, wherein the assembly seat is fixedly connected into a bearing box body, guide through grooves which are arranged along the vertical direction are formed in the assembly seat, an upper limit clamping groove and a lower limit clamping groove are respectively formed in the upper end and the lower end of the guide through grooves, the connecting column is nested and inserted into the guide through grooves, a limit clamping plate which can be connected with the upper limit clamping groove and the lower limit clamping groove in a nested mode is fixedly connected onto the connecting column, and the hanging ring is rotatably mounted on the top end of the guide column and is arranged above the bearing box body. The retraction assembly is assembled to the inner side of the bearing box body and is combined with the guide rod and the connecting column in a linkage way. On the basis of the technical scheme, the following technical scheme is provided for ensuring the structural stability of the bearing box body and realizing effective bearing of vertical load and horizontal load. The bearing box body comprises a steel beam structure, and an upper layer of backing plate and a lower layer of backing plate fixedly connected to the upper side and the lower side of the steel beam structure, wherein the steel beam structure comprises a transverse steel beam, a longitudinal steel beam and an oblique steel beam which are assembled and welded into a whole. On the basis of the technical scheme, in order to ensure