CN220874178U

CN220874178U - Spliced cable bridge

Info

Publication number: CN220874178U
Application number: CN202322614395.1U
Authority: CN
Inventors: 李�杰; 余乃丰
Original assignee: Jiangsu Weiwu Electrical Equipment Co ltd
Current assignee: Jiangsu Weiwu Electrical Equipment Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-30
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a spliced cable bridge, which comprises a structural body formed by connecting a plurality of bridge units, wherein two adjacent bridge units are connected through a connecting piece; the plurality of connecting pieces are connected with the same two bridge units and are symmetrically arranged relative to the structural body in pairs; the connecting piece is a rigid-to-flexible connecting structure. The utility model can play a role in buffering, so that stress generated by external force can not concentrate at key joints, and the service life of the bridge frame can be prolonged.

Description

Spliced cable bridge

Technical Field

The utility model relates to the technical field of bridges, in particular to a spliced cable bridge.

Background

The bridge structure is often used for cable erection, and because the cable erection general path is longer, in actual operation, the multistage bridge structure needs to be connected in series. However, at present, most bridge connection modes adopt bolts for direct fixed connection, when the bridge is impacted by external force, stress is concentrated at the fixed position of the bolts, and long-time stress concentration can lead to loosening of the fixed position, finally lead to phenomena of scattered bridge, falling of cables and the like, and potential safety hazards exist.

Disclosure of Invention

The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the spliced cable bridge, which has a buffer effect, so that stress generated by external force effect cannot be concentrated at a key connection part, and the service life of the bridge can be prolonged.

The technical scheme is as follows: in order to achieve the above purpose, the spliced cable bridge comprises a structural body formed by connecting a plurality of bridge units, wherein two adjacent bridge units are connected through a connecting piece; the plurality of connecting pieces are connected with the same two bridge units and are symmetrically arranged relative to the structural body in pairs; the connecting piece is a rigid-to-flexible connecting structure.

Further, two ends of the connecting piece are fixedly connected with the end parts of two adjacent bridge units respectively; the middle part of the connecting piece is provided with an elastic buffer zone, and the end parts of two adjacent bridge units tend to be attached by compressing the elastic buffer zones.

Further, the connecting piece comprises a metal connecting plate, and the middle part of the metal connecting plate is bent to form the elastic buffer zone.

Further, the elastic buffer area is of a bent groove-shaped structure, and an elastic body is clamped in the groove.

Further, two adjacent bridge units are arranged in a clearance, and the elastic body extends and is clamped in the clearance between the two adjacent bridge units.

Further, the top of the bridge unit is provided with a cover plate structure in a clamping way, and waterproof bodies are clamped in gaps between two adjacent cover plate structures.

Further, the elastic body and the waterproof body are made of rubber materials, and the elastic body and the waterproof body are integrally arranged to form a waterproof elastic structure layer.

The beneficial effects are that: according to the spliced cable bridge, the connecting pieces for connecting the two bridge units are bent, so that certain size elasticity is provided, and stress generated by external force action can be transmitted to the bending part to enable the bending part to elastically deform, so that the stress is counteracted; and elastic materials are filled between the bending part and the two bridge frame units, so that direct impact between two adjacent bridge frames can be avoided, a flexible buffer effect is achieved, mechanical damage of transitional impact to the bolt connection part is avoided, and the influence of external force effect on the bridge frame structure is further reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a connector according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a joint according to an embodiment of the present utility model.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

The spliced cable bridge as shown in fig. 1-3, comprising a structural body 1 formed by connecting a plurality of bridge units 11, wherein two adjacent bridge units 11 are connected through a connecting piece 2; a plurality of connecting pieces 2 connected with the same two bridge units 11, which are symmetrically arranged in pairs relative to the structural body 1; the connecting piece 2 is a rigid-to-flexible connecting structure.

According to the scheme, the rigid-to-flexible connecting structure is adopted to connect each bridge unit, so that the stability of connection is guaranteed, an elastic size gap is provided between every two adjacent bridge units, when the whole or partial bridge is subjected to external force to displace or vibrate, the generated stress can be buffered and released through the elastic deformation of the connecting piece, and therefore stress concentration at the connection fixing position is avoided, and loosening of the fixedly connected position is avoided.

For example, concentrate in the cooperation department of bolt and connecting hole, stress concentration can make hole and bolt take place strong relative effort, and under the multi-direction effect for a long time, very easily lead to wearing and tearing to bolt and connecting hole, lead to phenomenon such as smooth silk, appear as the crane span structure is not hard up, and the relative motion that external force effect leads to is more obvious, and the striking is frequent between each unit, greatly reduced the life of crane span structure, this scheme fine solution above-mentioned problem.

Embodiment one:

Two ends of the connecting piece 2 are fixedly connected with the end parts of two adjacent bridge units 11 respectively; the middle part of the connecting piece 2 is provided with an elastic buffer zone 211, and the end parts of two adjacent bridge units 11 tend to be attached by compressing the elastic buffer zones 211.

The connecting piece 2 comprises a metal connecting plate 21, and the middle part of the metal connecting plate 21 is bent to form the elastic buffer zone 211.

The copper sheet is adopted by the metal connecting plate, the whole copper sheet cut according to the size requirement is subjected to middle bending treatment, two ends of the bent copper sheet are just suitable for two bridge frame unit ends to be connected, the copper sheet and the bridge frame units are still fixed through bolts, the copper sheet is provided with certain mechanical strength, the bolts are respectively fixedly connected with the two bridge frame units, the mechanical strength of the whole bridge frame structure can be ensured, and a certain elastic size gap is provided by utilizing the elastic characteristic of the bent metal.

Embodiment two:

The elastic buffer 211 has a bent groove structure, and an elastic body 31 is held in the groove. The elastic body 31 is sandwiched between the metal connection plate and the bridge unit 11.

The adjacent bridge units 11 are disposed in a gap, and the elastic body 31 extends and is sandwiched in the gap 113 between the two.

In the operation scene that the bridge is greatly influenced by external force, the compression capability of the copper sheet can be enhanced by filling the elastomer, when the bending part of the copper sheet is stressed and deformed, the internal elastomer is extruded simultaneously, the deformation quantity of the copper sheet is reduced while the stress is released, the normal deformation of the copper sheet caused by overlarge stress is avoided, the elasticity is lost, and the service life of the connecting piece is prolonged.

A common bridge structure is a trapezoidal bridge, which includes two main beams 111 arranged in parallel along the length direction thereof, and a plurality of cross beams 112 between the cross frames and the two main beams, and the connection between two adjacent bridge units is usually referred to as connection to the end portions of the main beams. And (3) aligning and placing the corresponding main beams, respectively fixing the copper sheets at two sides of the spliced part of the end parts of the corresponding main beams, and symmetrically arranging the groove-shaped structures formed by bending the copper sheets relative to the spliced part.

Embodiment III:

The top of the bridge unit 11 is clamped with a cover plate structure 12, and a waterproof body 32 is clamped in the gap between two adjacent cover plate structures 12.

The elastic body 31 and the waterproof body 32 are made of rubber materials, and the elastic body and the waterproof body are integrally arranged to form the waterproof elastic structure layer 3.

In the working environment with potential safety hazards caused by long-term water leakage and cable use, a cover plate structure is usually additionally arranged at the top of a bridge frame and used for protecting the cable arranged in the bridge frame. In order to further improve the water-proof multi-direction and comprehensiveness and combine the elastic connection advantages of the bridge units, a single waterproof elastic material is adopted to integrally form a waterproof elastic structure layer 3, and the structure layer is simultaneously filled in the two adjacent bridge units, the two corresponding adjacent cover plate structures and the elastic buffer zone grooves at the corresponding positions.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims

1. The utility model provides a concatenation formula cable testing bridge which characterized in that: comprises a structural body (1) formed by connecting a plurality of bridge units (11), wherein two adjacent bridge units (11) are connected through a connecting piece (2); the plurality of connecting pieces (2) connected with the same two bridge units (11) are symmetrically arranged in pairs relative to the structural body (1); the connecting piece (2) is a rigid-to-flexible connecting structure; two ends of the connecting piece (2) are fixedly connected with the end parts of two adjacent bridge units (11) respectively; the middle part of the connecting piece (2) is provided with an elastic buffer zone (211), and the end parts of two adjacent bridge units (11) tend to be attached by compressing the elastic buffer zone (211).

2. The spliced cable tray of claim 1, wherein: the connecting piece (2) comprises a metal connecting plate (21), and the middle part of the metal connecting plate (21) is bent to form the elastic buffer zone (211).

3. The spliced cable tray of claim 2, wherein: the elastic buffer area (211) is of a bent groove-shaped structure, and an elastic body (31) is clamped in the groove.

4. A splice-type cable tray according to claim 3, wherein: the adjacent two bridge units (11) are arranged in a clearance way, and the elastic body (31) extends and is clamped in the clearance (113) between the two bridge units.

5. The splice-type cable tray of claim 4 wherein: the top of the bridge unit (11) is clamped with a cover plate structure (12), and waterproof bodies (32) are clamped in gaps between two adjacent cover plate structures (12).

6. The splice-type cable tray of claim 5, wherein: the elastic body (31) and the waterproof body (32) are made of rubber materials, and the elastic body and the waterproof body are integrally arranged to form the waterproof elastic structure layer (3).