CN211456551U

CN211456551U - Novel bridge

Info

Publication number: CN211456551U
Application number: CN201922469298.1U
Authority: CN
Inventors: 陈龙; 沈庆毅; 张费
Original assignee: Shanghai Construction No 5 Group Co Ltd
Current assignee: Shanghai Construction No 5 Group Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-08
Anticipated expiration: 2029-12-31

Abstract

In order to facilitate the curved construction of turning over of crane span structure, improve the efficiency of construction, the utility model provides a novel crane span structure. The utility model discloses a novel technical scheme of crane span structure as follows: the utility model provides a novel bridge, includes bridge A section, bridge B section, the one end of bridge A section and the one end of bridge B section are passed through the pivot and are rotated and be connected.

Description

Novel bridge

Technical Field

The utility model belongs to the technical field of the construction, in particular to novel crane span structure.

Background

In the construction of the traditional bridge, the bridge needs to be bent upwards to avoid other pipelines. The traditional bridge elbow manufacturing process comprises the following steps: bridge construction, pipeline collision, bridge turning angle determination, calculation, marking, lofting, cutting, assembly and bridge elbow installation. The construction method cannot manufacture the bridge elbow in advance, the blanking size must be calculated according to the overturning angle, and the bridge is cut according to the blanking size, so that the upward overturning and bending installation of the bridge is carried out. The method is not only labor-consuming and labor-consuming, and cannot determine the turned angle, but also cannot change the turned angle once the turned angle is determined, so that the bridge frame cannot be recycled.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the curved construction of turning over of crane span structure, improve the efficiency of construction, the utility model provides a novel crane span structure.

The utility model discloses a novel technical scheme of crane span structure as follows:

the utility model provides a novel bridge, includes bridge A section, bridge B section, the one end of bridge A section and the one end of bridge B section are passed through the pivot and are rotated and be connected.

The utility model discloses a novel bridge, bridge A section and bridge B section rotate through the pivot to be connected, when the bridge needs to turn over curved installation, only need turn over curved bridge as required, and can accomplish the installation, need not to assemble again after the cutting to the efficiency of construction has been improved.

Further, the utility model discloses a novel crane span structure, in order to facilitate the rotation, the one end that crane span structure A section and crane span structure B section are connected is semi-circular.

Further, the utility model discloses an in the novel crane span structure, be convenient for fixed crane span structure after in order to turn over the bend, crane span structure A section is established with crane span structure B section junction and is connected fixing device.

Further, in the novel bridge of the present invention, specifically, the bridge a section and the bridge B section include a bottom plate and side walls disposed on both sides of the bottom plate; the connecting and fixing device comprises arc-shaped grooves formed in the side walls of the two sides of the bridge A section, bolt holes formed in the side walls of the two sides of the bridge B section and bolts, the bolt holes are communicated with the arc-shaped grooves all the time, the bolts penetrate through the arc-shaped grooves and the bolt holes, and the bridge A section is fixedly connected with the bridge B section through the bolts.

Further, the utility model discloses an in the novel crane span structure, for better fixed, the bolt is two.

Drawings

Fig. 1 is a perspective view of a novel bridge frame of the present invention;

fig. 2 is a schematic view of a novel bridge frame of the present invention;

fig. 3 is a schematic view of a bridge a section of a novel bridge of the present invention;

fig. 4 is a schematic view of a bridge frame B section of the novel bridge frame of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Example 1:

referring to fig. 1 to 4, the novel bridge of this embodiment includes a bridge a section 1 and a bridge B section 2, and one end of the bridge a section 1 is rotatably connected to one end of the bridge B section 2 through a rotating shaft 3.

The utility model discloses a novel bridge frame, bridge frame A section 1 rotates through pivot 3 with bridge frame B section 2 and is connected, when the bridge frame need turn over curved installation, only needs to turn over curved bridge frame as required, and can accomplish the installation, need not to assemble again after the cutting to the efficiency of construction has been improved.

In a preferred embodiment, in the novel bridge of this embodiment, for convenience of rotation, the end of the bridge a section 1 connected to the bridge B section 2 is semicircular.

As a preferred embodiment, in the novel bridge frame of this embodiment, in order to facilitate fixing the bridge frame after bending, a connection fixing device is disposed at a connection position between the bridge frame a section 1 and the bridge frame B section 2.

As a preferred embodiment, in the novel bridge frame of this embodiment, specifically, the bridge frame a section 1 and the bridge frame B section 2 include a bottom plate 4 and side walls 5 disposed on two sides of the bottom plate 4; the connecting and fixing device comprises arc-shaped grooves 6 arranged on side walls 5 on two sides of the bridge A section 1, bolt holes 7 arranged on side walls 5 on two sides of the bridge B section 2 and bolts 8, the bolt holes 7 are communicated with the arc-shaped grooves 6 all the time, the bolts 8 penetrate through the arc-shaped grooves 6 and the bolt holes 7, and the bridge A section 1 is fixedly connected with the bridge B section 2 through the bolts 8.

In a novel bridge frame of this embodiment, there are two bolts 8 for better fixing.

Example 2:

the embodiment provides a construction method of a novel bridge frame in embodiment 1, and the technical scheme is as follows, including the following steps:

firstly, prefabricating a bridge A section 1 and a bridge B section 2 according to requirements;

secondly, positioning a bridge A section 1 and a bridge B section 2 at design positions;

and thirdly, fixedly connecting the bridge A section 1 with the bridge B section 2 through bolts 8.

According to the construction method of the novel bridge frame, the bridge frame section A1 is rotationally connected with the bridge frame section B2 through the rotating shaft 3, when the bridge frame needs to be bent and installed, the bridge frame only needs to be bent and installed according to requirements, installation can be completed, and assembly after cutting is not needed, so that the construction efficiency is improved.

The concrete construction steps of the embodiment are as follows:

(1) before construction, the construction plan is familiar, the size category of the bridge frame is determined, and team crossing is carried out.

(2) According to crane span structure size classification, make not unidimensional novel crane span structure, novel crane span structure is prefabricated before the construction, does not receive the construction progress influence, can be applied to different project crane span structures installation simultaneously.

(3) And carrying out novel bridge installation in the bridge construction process.

(4) And fixing the novel bridge frame by using the bolts, and finishing the installation.

Referring to fig. 1, the novel bridge is manufactured by splitting into 3 parts, and a 4mm round steel central spindle is used as a spindle 3 to connect a bridge section a 1 with a bridge section B2, so as to form an upper bridge elbow capable of rotating by 0-90 mm.

Before the project construction, make the novel crane span structure of project, the crane span structure size is according to actual demand, and crane span structure length is 250mm, and hollow circle is makeed to the crane span structure bottom surface, and the internal diameter is 5mm for d1, and the pivot adopts 4 mm's round steel in the hollow circle, can adjust the turn-over angle according to actual conditions through the pivot in the work progress.

(1) L1 is bridge width, L1 is 300 mm.

(2) L2 is the bridge length, L2 is 250 mm.

(3) H is the bridge height, and H equals 100mm.

(4) b is the bridge thickness, b is 2mm, and the minimum allowable thickness of each type of tray plate is regulated according to the specification T/CECS 31-2017-3.5.5.

(5) L3 is the length of the shaft 1: l3 ═ (L1-2 × b)/4

(6) L4 is the length of the shaft 2: l4 ═ 2 × L3

(7) d1 is the inside diameter of the spindle bore: d 1-5 mm

(8) d2 is the outer diameter of the shaft hole: d2 ═ d1+2 × b

(9) H is the bridge height, and H equals 100mm.

(10)r3＝H/2

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.

Claims

1. The utility model provides a novel bridge, its characterized in that, includes bridge A section (1), bridge B section (2), the one end of bridge A section (1) and the one end of bridge B section (2) are passed through pivot (3) and are rotated and be connected.

2. The new bridge frame of claim 1, wherein the end of said bridge frame section A (1) connected to said bridge frame section B (2) is semi-circular.

3. The novel bridge frame of claim 1, wherein a connection fixing device is arranged at the joint of the bridge frame A section (1) and the bridge frame B section (2).

4. The new bridge frame as claimed in claim 3, characterized in that said bridge frame A section (1), said bridge frame B section (2) comprise a bottom plate (4) and side walls (5) arranged on both sides of the bottom plate (4);

the connection fixing device comprises an arc-shaped groove (6) arranged on side walls (5) on two sides of a bridge A section (1), bolt holes (7) arranged on side walls (5) on two sides of a bridge B section (2) and bolts (8), the bolt holes (7) are communicated with the arc-shaped groove (6) all the time, the bolts (8) penetrate through the arc-shaped groove (6) and the bolt holes (7), and the bridge A section (1) is fixedly connected with the bridge B section (2) through the bolts (8).

5. The new bridge frame as claimed in claim 4, characterized in that said bolts (8) are two in number.