CN220486223U

CN220486223U - Bridge bearing structure and bridge

Info

Publication number: CN220486223U
Application number: CN202322011260.6U
Authority: CN
Inventors: 邓德员; 戴维; 陈舟; 冯长胜; 卢汉文; 刘锐
Original assignee: China Construction Steel Structure Corp Ltd
Current assignee: China Construction Science and Industry Corp Ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-02-13
Anticipated expiration: 2033-07-27

Abstract

The utility model provides a bridge supporting structure and a bridge, and belongs to the technical field of bridge construction. The steel pipe column is provided with an embedded groove; the beam assembly is arranged in the embedded groove, and the bottom of the beam assembly is connected with the steel pipe column; the bailey beam is arranged on the beam assembly; the connecting component is connected with the bailey beam and is welded with the beam component. According to the bridge supporting structure provided by the utility model, the connection component is connected with the Bailey beam and welded with the beam component, so that the Bailey beam and the beam component are connected and fastened, the Bailey beam is prevented from generating transverse or longitudinal displacement, and the connection component is prevented from being invalid due to the expansion and contraction of the Bailey beam in the self structure and the change of the Bailey beam load.

Description

Bridge bearing structure and bridge

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a bridge supporting structure and a bridge.

Background

In bridge construction, beret beams and cross beams are a common structural combination. In order to prevent the bailey beam from generating transverse or longitudinal displacement, fixing measures need to be taken for the bailey beam and the cross beam.

In the prior art, the displacement of the bailey beam is limited by arranging a limiting device on the outer side of the lower chord member of the bailey beam, and the limiting rod is fixed through a bolt. However, the beret beam is easy to loosen bolts under the conditions of heat expansion and cold contraction of the self structure and change of the load of the beret beam, so that the limiting device is invalid.

Disclosure of Invention

Therefore, the utility model aims to solve the problem that the limiting device is easy to loosen and lose efficacy due to the adoption of the bolt connection in the prior art, and provides the bridge supporting structure and the bridge.

In order to solve the problems, the utility model provides a bridge support structure which comprises steel pipe columns, a beam assembly, a bailey beam and a connecting assembly. The steel pipe column is provided with an embedded groove; the beam assembly is arranged in the embedded groove, and the bottom of the beam assembly is connected with the steel pipe column; the bailey beam is arranged on the beam assembly; the connecting component is connected with the bailey beam and is welded with the beam component.

Optionally, the beam assembly comprises a plurality of i-beams, and the i-beams are arranged side by side.

Optionally, the beam assembly further comprises a stiffening plate, and the stiffening plate is connected with the i-steel and is arranged corresponding to the joint of the i-steel and the steel pipe column.

Optionally, the bailey beam comprises an upper chord, a lower chord and a supporting rod, wherein the supporting rod is respectively connected with the upper chord and the lower chord, and the lower chord is connected with the beam assembly.

Optionally, the bailey beam further includes an inclined strut and a mounting seat, a first end of the inclined strut is connected with the supporting rod through the mounting seat, and a second end of the inclined strut is connected with the upper chord or the lower chord.

Optionally, a plurality of holes are formed in the bailey beam, and the connecting assembly penetrates through the holes and then is connected with the beam assembly.

Optionally, the connecting assembly comprises a plurality of connecting pieces, and the connecting pieces are arranged at intervals.

Optionally, the connecting piece includes first installation department, second installation department and connecting portion, first installation department with the bailey roof beam is connected and with the pterygoid lamina edge butt of I-steel, the second installation department with the web welding setting of I-steel, connecting portion slope setting and connection first installation department with second installation department.

The utility model also provides a bridge, which comprises the bridge supporting structure.

Optionally, the bridge further comprises a supporting beam and a bridge deck, wherein the supporting beam is arranged at the top of the bridge supporting structure, and the bridge deck is arranged at the top of the supporting beam.

The utility model has the following advantages:

1. according to the bridge supporting structure provided by the utility model, the connection component is connected with the Bailey beam and welded with the beam component, so that the Bailey beam and the beam component are connected and fastened, the Bailey beam is prevented from generating transverse or longitudinal displacement, and the connection component is prevented from being invalid due to the expansion and contraction of the Bailey beam in the self structure and the change of the Bailey beam load.

2. According to the bridge supporting structure provided by the utility model, the stiffening plate is arranged, so that the structural strength of the I-steel is enhanced.

3. According to the bridge supporting structure provided by the utility model, through the perforation arranged on the bailey beam, the connecting component passes through the perforation to be connected with the bailey beam, so that the connecting component is more firmly connected with the bailey beam.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic connection diagram of a beret beam and a connection assembly according to an embodiment of the present utility model;

fig. 2 shows a connection schematic diagram of a steel pipe column and a connection assembly according to an embodiment of the present utility model;

FIG. 3 shows a schematic view of a portion of a bridge provided by an embodiment of the present utility model;

fig. 4 shows a schematic overall structure of a connector according to an embodiment of the present utility model.

Reference numerals illustrate:

10. a steel pipe column; 11. an embedding groove; 20. a beam assembly; 21. i-steel; 22. stiffening plates; 30. bailey beam; 31. an upper chord; 32. a lower chord; 33. a support rod; 34. a diagonal brace; 35. a mounting base; 36. perforating; 40. a connection assembly; 41. a connecting piece; 411. a first mounting portion; 412. a second mounting portion; 413. a connection part; 50. and supporting the cross beam.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

The specific embodiment of the bridge support structure shown in fig. 1 to 4 includes a steel pipe column 10, a beam assembly 20, a bailey beam 30, and a connection assembly 40. The steel pipe column 10 is provided with an embedded groove 11; the beam assembly 20 is arranged in the embedded groove 11, and the bottom of the beam assembly 20 is connected with the steel pipe column 10; the bailey beam 30 is disposed on the beam assembly 20; the connection assembly 40 connects the bailey beam 30 and is welded to the beam assembly 20.

By applying the bridge support structure of the embodiment, the connection assembly 40 is connected with the bailey beam 30 and welded with the beam assembly 20, so that the bailey beam 30 is connected and fastened with the beam assembly 20, the bailey beam 30 is prevented from generating transverse or longitudinal displacement, and the connection assembly 40 is prevented from being invalid due to the expansion and contraction of the bailey beam 30 in the self structure and the load change of the bailey beam 30.

Specifically, the depth of the insertion groove 11 is 15cm, and the distance between the front and rear sides of the beam assembly 20 and the steel pipe column 10 is 10cm.

The dimensions of the beam assembly 20 and the dimensions of the bailey beam 30 need to be determined by paying off, and in order to reduce the wear of the beam assembly 20, a rubber cushion block with a thickness of 2cm is disposed between the beam assembly 20 and the bailey beam 30.

The insertion groove 11 is formed in a groove size according to the beam assembly 20.

In this embodiment, as shown in fig. 1 and 2, the beam assembly 20 includes i-beams 21, and the i-beams 21 are provided in a plurality, and the i-beams 21 are provided side by side.

Specifically, referring to fig. 2, two i-beams 21 are provided, and the two i-beams 21 are disposed in the embedded groove 11 side by side.

Of course, in other alternative embodiments, the number of the i-beams 21 may be set to other numbers, such as three, four, etc., according to the actual situation.

In this embodiment, as shown in fig. 2, the beam assembly 20 further includes a stiffening plate 22, where the stiffening plate 22 is connected to the i-beam 21 and is disposed corresponding to the connection between the i-beam 21 and the steel pipe column 10.

It should be noted that, by providing the stiffening plate 22, the structural strength of the i-beam 21 is enhanced.

In the present embodiment, as shown in fig. 3, the bailey beam 30 includes an upper chord 31, a lower chord 32, and a support bar 33, the support bar 33 being connected to the upper chord 31 and the lower chord 32, respectively, and the lower chord 32 being connected to the beam assembly 20.

In this embodiment, as shown in fig. 3, the bailey beam 30 further includes a diagonal brace 34 and a mounting seat 35, the diagonal brace 34 has a first end connected to the support bar 33 through the mounting seat 35, and a second end of the diagonal brace 34 is connected to the upper chord 31 or the lower chord 32.

Specifically, referring to fig. 3, the first ends of two adjacent diagonal braces 34 share the same mounting seat 35.

In this embodiment, as shown in fig. 1, the bailey beam 30 is provided with a plurality of through holes 36, and the connection assembly 40 is connected to the beam assembly 20 after passing through the through holes 36.

Specifically, the perforations 36 are correspondingly formed in the bottom chord 32.

It should be noted that, by forming the perforation 36 on the bailey beam 30, the connection assembly 40 passes through the perforation 36 to be connected with the bailey beam 30, so that the connection between the connection assembly 40 and the bailey beam 30 is more firm.

In this embodiment, as shown in fig. 1 and 3, the connection assembly 40 includes a connection member 41, and a plurality of connection members 41 are disposed at intervals.

Specifically, referring to fig. 1, two connectors 41 are provided.

Of course, in other alternative embodiments, the number of the connection members 41 may be set to other numbers, such as three, four, etc., according to the actual situation.

The number of the through holes 36 corresponds to the number of the connecting members 41, and one connecting member 41 corresponds to four through holes 36.

In the present embodiment, as shown in fig. 4, the connecting member 41 includes a first mounting portion 411, a second mounting portion 412, and a connecting portion 413, the first mounting portion 411 is connected to the bailey beam 30 and abuts against the flange edge of the i-beam 21, the second mounting portion 412 is welded to the web of the i-beam 21, and the connecting portion 413 is disposed obliquely and connects the first mounting portion 411 and the second mounting portion 412.

Specifically, referring to fig. 4, the first mounting portion 411 is U-shaped, the second mounting portion 412 includes two vertical rods, and the connecting portion includes two connecting rods, and the two connecting rods are obliquely arranged and respectively connected with the two vertical rods at two ends of the U-shape corresponding to the first mounting portion 411, so as to implement the limitation of the bailey beam 30 in the transverse and vertical directions.

Further, the connecting member 41 is integrally formed by bending.

Specifically, the connector 41 is a reinforcing bar with a diameter of 20 mm.

With the bridge support structure of the present embodiment, firstly, the assembly of the beret beams 30, the bending of the connectors 41, the welding of the stiffening plates 22, and the provision of the embedded grooves 11 in the steel pipe column 10 are performed; then, welding the I-steel 21 into the embedded groove 11, placing the bailey beam 30 on the top of the I-steel 21, and arranging a rubber cushion block between the I-steel 21 and the bailey beam 30; then, a through hole 36 is formed in the lower chord 32 of the bailey beam 30, the connector 41 passes through the through hole 36, and the second mounting portion 412 is welded to the i-beam 21.

In this embodiment, as shown in fig. 3, the bridge further includes a support beam 50 and a bridge deck (not shown in the drawings), the support beam 50 is disposed on top of the bridge support structure, and the bridge deck is disposed on top of the support beam 50.

Specifically, the bridge deck material is an anti-skid steel plate with the thickness of 10 mm.

Specifically, referring to fig. 3, the support beam 50 is fixedly connected to the upper chord 31 by a connecting assembly 40.

In this embodiment, the bridge further comprises rails, which are arranged on both sides of the deck.

Specifically, the rail height was 1.2m and was welded to the support beam 50 using a welded steel pipe having a diameter of 48×3.5 mm.

Specifically, the railings are uniformly painted with red and white paint and alternately arranged, so that the effects of conciseness and beauty are achieved.

According to the above description, the present patent application has the following advantages:

1. the connection assembly is connected with the Bailey beam and welded with the beam assembly, so that the Bailey beam is connected and fastened with the beam assembly, the Bailey beam is prevented from generating transverse or longitudinal displacement, and the connection assembly is prevented from being invalid due to the heat expansion and cold contraction of the Bailey beam in the self structure and the change of the Bailey beam load.

2. By arranging the stiffening plate, the structural strength of the I-steel is enhanced.

3. Through seting up the perforation on the bailey beam, coupling assembling passes the perforation and is connected with the bailey beam, makes coupling assembling and bailey beam's connection more firm.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A bridge support structure comprising:

a steel pipe column (10), wherein the steel pipe column (10) is provided with an embedded groove (11);

the beam assembly (20) is arranged in the embedded groove (11), and the bottom of the beam assembly (20) is connected with the steel pipe column (10);

a bailey beam (30) disposed on the beam assembly (20);

and the connecting assembly (40) is connected with the bailey beam (30) and is welded with the beam assembly (20).

2. Bridge support structure according to claim 1, wherein the beam assembly (20) comprises i-beams (21), the i-beams (21) being provided in a number, the i-beams (21) being arranged side by side.

3. Bridge support structure according to claim 2, wherein the beam assembly (20) further comprises stiffening plates (22), the stiffening plates (22) being connected to the i-beam (21) and being arranged in correspondence of the connection of the i-beam (21) to the steel pipe column (10).

4. A bridge support according to any one of claims 1-3, wherein the bailey beam (30) comprises an upper chord (31), a lower chord (32) and a support bar (33), the support bar (33) being connected to the upper chord (31) and the lower chord (32), respectively, the lower chord (32) being connected to the cross beam assembly (20).

5. Bridge support structure according to claim 4, wherein the bailey beam (30) further comprises a diagonal brace (34) and a mounting seat (35), a first end of the diagonal brace (34) being connected to the support bar (33) by the mounting seat (35), and a second end of the diagonal brace (34) being connected to the upper chord (31) or the lower chord (32).

6. A bridge support structure according to any one of claims 1-3, wherein the beret beam (30) is provided with a plurality of through holes (36), and the connecting assembly (40) is connected with the beam assembly (20) after passing through the through holes (36).

7. A bridge support according to claim 2 or 3, wherein the connection assembly (40) comprises connection members (41), the connection members (41) being arranged in a number at intervals.

8. Bridge support structure according to claim 7, wherein the connecting piece (41) comprises a first mounting portion (411), a second mounting portion (412) and a connecting portion (413), the first mounting portion (411) is connected with the bailey beam (30) and abuts against the flange edge of the i-beam (21), the second mounting portion (412) is welded with the web of the i-beam (21), and the connecting portion (413) is arranged obliquely and connects the first mounting portion (411) and the second mounting portion (412).

9. A bridge comprising the bridge support of any one of claims 1-8.

10. The bridge of claim 9, further comprising a support beam (50) and a deck, the support beam (50) being disposed on top of the bridge support structure and the deck being disposed on top of the support beam (50).