CN221118227U - Otic placode-lug adjustable inclination connection structure and jib arched bridge - Google Patents

Abstract

The utility model relates to the field of bridges, in particular to an ear plate-lifting lug inclination angle adjustable connecting structure and a suspender arch bridge, wherein a base plate with an inclination angle is arranged between an ear plate and a lifting lug so as to adjust an included angle between the ear plate and the lifting lug, and the ear plate, the base plate and the lifting lug are clamped and fixed by a locking piece. The utility model solves the problem that the weld joint of the lug plate lifting lug is tired caused by the influence of the fine angle in the traditional welding process, and improves the durability of the lug plate-lifting lug connecting surface.

Description

Otic placode-lug adjustable inclination connection structure and jib arched bridge

Technical Field

The utility model relates to the field of bridges, in particular to an ear plate-lifting lug inclination angle adjustable connecting structure and a suspender arch bridge.

Background

The bridge is a structure which is erected on rivers, lakes and seas and enables vehicles, pedestrians and the like to pass smoothly, and is also a building which is erected to span mountain, poor geology or meet other traffic requirements and enables passing to be more convenient in order to adapt to the traffic industry of modern high-speed development. The arch bridge has the characteristics of large spanning capacity, simple structure, definite stress, various forms, attractive appearance and the like, is widely and widely applied, and is the most common bridge type in China. The hanger rod arch bridge is a typical bridge type in arch bridges, is widely applied due to the advantages of low requirements on geological conditions and the like, is one of main stress members of the tied arch bridge, is connected with a bridge deck at the lower end, and plays an important role in transmitting bridge deck load interception to the bridge arch at the upper end.

The lug plate and the lifting lug of the existing suspender arch bridge are usually connected by welding, in the actual construction process, certain angle modulation exists on the axes of the lug plate, the lifting lug and the anchor point on the beam, and after the welding is finished, the welding seam is subjected to eccentric bending moment besides axial force due to the angle modulation, so that the problem of fatigue is easy to occur, and the problem is to be solved urgently.

Disclosure of Invention

In order to avoid and overcome the technical problems in the prior art, the utility model provides an adjustable inclination angle connecting structure of an ear plate and a lifting lug and a suspender arch bridge. The utility model solves the problem that the weld joint of the lug plate lifting lug is tired caused by the influence of the fine angle in the traditional welding process, and improves the durability of the lug plate-lifting lug connecting surface.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

An adjustable inclination angle connection structure of otic placode-lug has arranged the backing plate that has the inclination between otic placode and the lug to adjust the contained angle between otic placode and the lug, otic placode, backing plate and lug are fixed by retaining member centre gripping.

As a further scheme of the utility model: the locking piece comprises two groups of splice plates, the two splice plates are respectively arranged on the front surface and the back surface of the lug plate and the front surface and the back surface of the lifting lug, bolt holes are formed in the splice plates at positions corresponding to the lug plate and the lifting lug, and the lug plate, the lifting lug and the splice plates are locked and fixed through high-strength bolts.

As still further aspects of the utility model: the butt joint surfaces of the lug plate and the lifting lug are respectively corresponding to the sizes of the front surface and the back surface of the backing plate, and an included angle exists between the front surface and the back surface of the backing plate.

As still further aspects of the utility model: the lifting lug is provided with an arch anchor point, and the midpoint of the butt joint surface of the lug plate, the arch anchor point and the beam anchor point of the arch bridge are positioned on the same straight line.

A suspender arch bridge comprises an ear plate-lifting lug adjustable inclination angle connecting structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the inclined base plate is added between the lug plate and the lifting lug, and the base plates with different inclinations are replaced under different micro-angle angles, so that the problem that the welding line of the lug plate and the lifting lug is tired due to the influence of the micro-angle angles in the traditional welding process is avoided, and the durability of the connecting surface of the lug plate and the lifting lug is improved.

2. According to the utility model, the traditional welded type fixing between the lug plate and the lifting lug is abandoned, after the backing plate is added, the lug plate and the lifting lug are clamped through the two groups of splice plates and then are fixed through the bolts, and the high-strength bolts are used for locking, so that the subsequent overhaul and replacement are facilitated.

3. The size of the front surface and the back surface of the backing plate respectively correspond to the size of the butt joint surface of the lug plate and the lifting lug, and after the backing plate is locked by the splice plate, the lug plate, the lifting lug and the backing plate form an integrated structure; the reasonable setting of anchor point on the arch, anchor point on the roof beam and otic placode butt joint face mid point position satisfies the construction requirement.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure:

1. ear plates; 2. lifting lugs; 21. an arch anchor point;

3. a backing plate; 4. splice plates; 41. high strength bolts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, in an embodiment of the present utility model, a lug plate-lifting lug connection structure with an adjustable inclination angle and a lifting rod arch bridge are provided, a backing plate 3 with an inclination angle is arranged between a lug plate 1 and a lifting lug 2, the size of the front and back surfaces of the backing plate 3 is equal to the size of the butt joint surface of the lug plate 1 and the lifting lug 2, an included angle exists between the front and back surfaces of the backing plate 3, and the degree of the included angle is equal to the degree of the fine angle in the conventional welding process. Through arranging backing plate 3, adjust the contained angle between otic placode 1 and lug 2.

The lug plate 1 and the lifting lug 2 are locked through the splice plate 4, two groups of splice plates 4 are arranged on the front side and the back side of the lug plate 1 and the front side and the back side of the lifting lug 2, bolt holes are formed in the positions, corresponding to the lug plate 1 and the lifting lug 2, of the splice plate 4, and the lug plate 1, the lifting lug 2 and the splice plate 4 are locked and fixed through high-strength bolts 41.

The bolt holes are arranged in a rectangular array on two sides of the splice plate 4. The lifting lug 2 is provided with an arch anchor point 21, and the midpoint of the butt joint surface of the lug plate 1, the arch anchor point 21 and the beam anchor point of the arch bridge are positioned on the same straight line.

The basic principles of the present application have been described above in connection with specific embodiments, but it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not intended to be limiting, and these advantages, benefits, effects, etc. are not to be construed as necessarily possessed by the various embodiments of the application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not necessarily limited to practice with the above described specific details.

The block diagrams of the devices, apparatuses, devices, systems referred to in the present application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.

Claims (5)

1. The utility model provides an adjustable inclination connection structure of otic placode-lug, its characterized in that has arranged backing plate (3) that have the inclination between otic placode (1) and lug (2) to the contained angle between otic placode (1) and lug (2) is adjusted, and otic placode (1), backing plate (3) and lug (2) are fixed by the retaining member centre gripping.

2. The lug-lifting lug adjustable inclination angle connecting structure according to claim 1, wherein the locking piece comprises two groups of splice plates (4), the two splice plates (4) are respectively arranged on the front side and the back side of the lug (1) and the front side and the back side of the lifting lug (2), bolt holes are formed in the positions, corresponding to the lug (1) and the lifting lug (2), of the splice plates (4), and the lug (1), the lifting lug (2) and the splice plates (4) are locked and fixed through high-strength bolts (41).

3. The connection structure of the lug plate and the lifting lug with the adjustable dip angle according to claim 1 or 2, wherein the butt joint surfaces of the lug plate (1) and the lifting lug (2) respectively correspond to the front surface and the back surface of the base plate (3), and an included angle exists between the front surface and the back surface of the base plate (3).

4. The ear plate-lifting lug adjustable inclination angle connecting structure according to claim 1 or 2, wherein an arch anchor point (21) is arranged on the lifting lug (2), and the midpoint of the abutting surface of the ear plate (1), the arch anchor point (21) and the beam anchor point of the arch bridge are positioned on the same straight line.

5. A boom arch bridge comprising an adjustable gusset-tab pitch connection as defined in claim 1 or 2.