CN207331429U

CN207331429U - A kind of bridge with detachable Antivibration block

Info

Publication number: CN207331429U
Application number: CN201721079370.4U
Authority: CN
Inventors: 邹敏勇; 王忠彬; 吴国强
Original assignee: China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
Current assignee: China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
Priority date: 2017-08-25
Filing date: 2017-08-25
Publication date: 2018-05-08
Anticipated expiration: 2027-08-25

Abstract

The utility model discloses a kind of bridge with detachable Antivibration block, it is related to bridge construction field, which includes bearing and Antivibration block, and the bearing is removably arranged between the bridge pier and crossbeam, and the bridge pier is equipped with a boss, the bearing is detachably arranged on the boss；The Antivibration block is set close to the boss, and the Antivibration block is removably arranged on the crossbeam, and the Antivibration block bottom surface is less than the height of the boss with a distance from the bridge pier；At the same time, the bridge pier includes the support section that jack is placed after being removed below the Antivibration block for the Antivibration block, the utility model can either play the role of Horizontal Seismic to the bridge, can also be when carrying out with changing bearing, space needed for replacing time is provided, disclosure satisfy that space needed for medium and small span exchanging bridge abutment.

Description

A kind of bridge with detachable Antivibration block

Technical field

It the utility model is related to bridge construction field, and in particular to a kind of bridge with detachable Antivibration block.

Background technology

At present, domestic LARGE SPAN STEEL BRIDGE due to beam bottom it is wider, there is enough space layout Horizontal Seismic blocks, and reserved Space required for having the top lifting of later stage replacing time.But with the quickening of urban construction, during more and more municipal administration bridges use Small span steel bridge, wherein, due to crowded and under-clearance the limitation of urban transportation, cause the Steel Bridge bottom width degree of medium and small span It is limited, when setting Horizontal Seismic block at beam bottom, often cause not keep for the space needed for later stage bearing replacement, Once the service life of bearing expires in this case, i.e., when the bearing can not play the role of script, since bearing can not carry out more Change, and then influence the service life of bridge.

Utility model content

For defect existing in the prior art, the purpose of this utility model is to provide one kind to have detachable antidetonation gear The bridge of block, can provide the space of replacing time for medium and small span bridge.

To achieve the above objectives, the technical scheme adopted by the utility model is that：A kind of bridge with detachable Antivibration block Beam, the bridge include bridge pier and crossbeam, including：

Bearing, the bearing is removably arranged between the bridge pier and crossbeam, and the bridge pier is equipped with a boss, the branch Seat is detachably arranged on the boss；

The Antivibration block set close to the boss, the Antivibration block are removably arranged on the crossbeam, and described Antivibration block bottom surface is less than the height of the boss with a distance from the bridge pier；Meanwhile

The bridge pier includes placing the branch of jack after being removed for the Antivibration block below the Antivibration block Support part point.

Based on the above technical solutions, the Antivibration block top surface is equipped with multiple first mounting holes, on the crossbeam Equipped with multiple the second mounting holes being oppositely arranged with first mounting hole, first mounting hole and the second mounting hole pass through spiral shell Bolt is detachably connected.

Based on the above technical solutions, the Antivibration block is I-shaped.

Based on the above technical solutions, the Antivibration block is box.

Based on the above technical solutions, the Antivibration block is equipped with ribs.

Based on the above technical solutions, the Antivibration block is I-shaped towards the section of the boss.

Based on the above technical solutions, one first backing plate is equipped between the crossbeam and the Antivibration block.

Based on the above technical solutions, a bracket is equipped between the bearing and the crossbeam, the bracket is fixed on On the crossbeam, and the bracket is detachably connected with the bearing.

Compared with prior art, the utility model has the advantage of：

(1) a kind of bridge with detachable Antivibration block in the utility model, sets a dismountable Antivibration block, It can either play the role of Horizontal Seismic to the bridge, moreover it is possible to when carrying out with changing bearing, there is provided the space needed for replacing time, It disclosure satisfy that space needed for medium and small span exchanging bridge abutment.

Brief description of the drawings

Fig. 1 is the structure diagram of the utility model embodiment Bridge；

Fig. 2 is the structure diagram that jack acts on bridge in the utility model embodiment；

Fig. 3 is the schematic top plan view of Antivibration block in the utility model embodiment.

In figure：1- bridge piers, 101- boss, 2- crossbeams, the second mounting holes of 21-, 3- bearings, 4- Antivibration blocks, 41- first are solid Determine hole, 401- ribs, 5- brackets, the first backing plates of 6-, the second backing plates of 7-, 8- jack, 9- bolts, 10- support sections.

Embodiment

The embodiment of the utility model is described in further detail below in conjunction with attached drawing.

Shown in Figure 1, the utility model embodiment provides a kind of bridge with detachable Antivibration block, and bridge includes Bridge pier 1 and crossbeam 2, the bridge further include bearing 3, which is removably arranged between the bridge pier 1 and crossbeam 2, and on bridge pier 1 Equipped with a boss 101, bearing 3 is detachably arranged on the boss 101, which is fixed on bridge pier 1, it is preferred that bearing 3 A bracket 5 is equipped between crossbeam 2, which is fixed on crossbeam 2, and bracket 5 is detachably connected with bearing, by setting one Bracket 5, can reduce the height of bearing 3 used, that is, reduce the material that bearing 3 uses, so that the cost of replacing time 3 is reduced, Bearing 3 can also be avoided to directly act on crossbeam 2, so that damage when reducing replacing time 3 to crossbeam 2, increase crossbeam 2 Service life, is equipped with one second backing plate 7, which can reduce bearing 3 and bracket 5 is direct between the bracket 5 and bearing 3 Damage caused by contact, increases the service life of bracket 5.

Antivibration block 4 is provided with boss 101 referring to shown in Fig. 1 to Fig. 3, being additionally included in, wherein, Antivibration block 4 I-shaped or box is welded into using steel plate, when using I-shaped Antivibration block 4, towards boss when which is set 101 section is I-shaped, can preferably play antihunt action, and the Antivibration block 4 is equipped with ribs 401, can strengthen The intensity of Antivibration block 4, improves the shock resistance of the Antivibration block 4, which is less than boss 101 with a distance from bridge pier 1 Height, the Antivibration block 4 can be made to act on boss 101 when bridge shakes so as to playing the role of antidetonation, extend the bridge The service life of beam, Antivibration block 4 are removably arranged on crossbeam 2, wherein, 4 top surface of Antivibration block is equipped with multiple first mounting holes 41, Crossbeam 2 is equipped with multiple the second mounting holes 21 being oppositely arranged with the first mounting hole 41, the first mounting hole 41 and the second mounting hole 21 are connected by bolt 9, which is strengthening stud, and the first mounting hole 41 and the second mounting hole 21 are respectively equipped with 12, together When, bridge pier 1 includes the support section 10 positioned at the lower section of Antivibration block 4, which places after being removed for Antivibration block 4 One jack 8, can dismantle lower Antivibration block 4, interim top lifting is placed at former 4 position of Antivibration block when carrying out replacing time 3 With jack 8, after the completion for the treatment of that bearing 3 is replaced, jack 8 is removed, and Antivibration block 4 is installed on crossbeam 2；It is anti-by dismantling Block 4 is shaken, so as to provide the space needed for replacing time 3, disclosure satisfy that space needed for medium and small span exchanging bridge abutment 3.

Referring to shown in Fig. 1 to Fig. 3, set on crossbeam 2 at 4 position of Antivibration block and be equipped with ribs 401, by increasing capacitance it is possible to increase should Go out the intensity of crossbeam 2, so as to increase the service life of the crossbeam 2, one first backing plate is equipped between crossbeam 2 and Antivibration block 4 6, Antivibration block 4 can be avoided directly to be contacted with crossbeam 2, reduce damage of the Antivibration block 4 during antidetonation to crossbeam 2, into One step improves the service life of crossbeam 2.

The utility model is not only limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model Go out other various forms of products, however, make any change in its shape or structure, it is every to have and the utility model phase Same or close technical solution, within its protection domain.

Claims

1. a kind of bridge with detachable Antivibration block, the bridge includes bridge pier (1) and crossbeam (2), it is characterised in that bag Include：

Bearing (3), the bearing (3) are removably arranged between the bridge pier (1) and crossbeam (2), and the bridge pier (1) is equipped with one Boss (101), the bearing (3) are detachably arranged on the boss (101)；

The Antivibration block (4) set close to the boss (101), the Antivibration block (4) are removably arranged on the crossbeam (2) On, and the Antivibration block (4) bottom surface is less than the height of the boss (101) with a distance from the bridge pier (1)；Meanwhile

The bridge pier (1) includes placing jack after being removed for the Antivibration block (4) below the Antivibration block (4) (8) support section (10).

A kind of 2. bridge with detachable Antivibration block as claimed in claim 1, it is characterised in that：The Antivibration block (4) top surface is equipped with multiple first mounting holes (41), and the crossbeam (2) sets relatively equipped with multiple with first mounting hole (41) The second mounting hole (21) put, first mounting hole (41) and the second mounting hole (21) are detachably connected by bolt (9).

A kind of 3. bridge with detachable Antivibration block as claimed in claim 1, it is characterised in that：The Antivibration block (4) to be I-shaped.

A kind of 4. bridge with detachable Antivibration block as claimed in claim 1, it is characterised in that：The Antivibration block (4) it is box.

A kind of 5. bridge with detachable Antivibration block as described in claim 3 or 4, it is characterised in that：The antidetonation gear Block (4) is equipped with ribs (401).

A kind of 6. bridge with detachable Antivibration block as claimed in claim 3, it is characterised in that：The Antivibration block (4) it is I-shaped towards the section of the boss (101).

A kind of 7. bridge with detachable Antivibration block as claimed in claim 1, it is characterised in that：The crossbeam (2) with One first backing plate (6) is equipped between the Antivibration block (4).

A kind of 8. bridge with detachable Antivibration block as claimed in claim 1, it is characterised in that：The bearing (3) with A bracket (5) is equipped between the crossbeam (2), the bracket (5) is fixed on the crossbeam (2), and the bracket (5) with it is described Bearing (3) is detachably connected.