CN110847003A - Fixing device for large-span bridge based on ultra-high-performance steel fiber concrete - Google Patents
Fixing device for large-span bridge based on ultra-high-performance steel fiber concrete Download PDFInfo
- Publication number
- CN110847003A CN110847003A CN201910976968.0A CN201910976968A CN110847003A CN 110847003 A CN110847003 A CN 110847003A CN 201910976968 A CN201910976968 A CN 201910976968A CN 110847003 A CN110847003 A CN 110847003A
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- China
- Prior art keywords
- bridge
- pier
- side wall
- installation piece
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
Abstract
The invention discloses a large-span bridge fixing device based on ultra-high performance steel fiber concrete, which comprises a bridge mounting block and a pier mounting block, wherein a connecting pad is fixedly arranged on the upper side wall of the bridge mounting block, a pier damping block is fixedly arranged on the lower side wall of the pier mounting block, an outer ring and a positioning cylinder are fixedly arranged on the upper side wall of the pier mounting block, a positioning groove is arranged on the lower side wall of the bridge mounting block, the invention is characterized in that through arranging a positioning structure of the inner side ring and the outer side ring, so that the installation blocks respectively connected with the bridge and the bridge pier can be stably fixed, the problem of transverse sliding in use is avoided, the stability in use is ensured, by arranging the shock pad and other structures at the connecting part and matching the shock pad and the bearing rib with the L-shaped support plate in a sliding way, when impact occurs between the bridge and the pier, the impact force can be fully discharged, and damage to the connecting structure is reduced.
Description
Technical Field
The invention relates to the field of bridge fixation, in particular to a fixing device for a large-span bridge based on ultra-high-performance steel fiber concrete.
Background
To realize the pier and beam slab mounting structure of the bridge with large span, the stability of mounting is required between the pier and beam slab mounting structure, and the buffer capacity of the joint is also required to be ensured. The bridge pier cushioning structure in the past is mostly a square device formed by a rubber layer and a steel structure, and is easily influenced by environmental changes, so that the cushioning effect is reduced, and therefore a steel fiber concrete bridge fixing structure is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a fixing device for a large-span bridge based on ultra-high performance steel fiber concrete, which can realize stable installation between a bridge and a pier and ensure the shock resistance between the bridge and the pier.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a large-span bridge fixing device based on super high performance steel fiber concrete, includes bridge installation piece and pier installation piece, the last lateral wall fixed mounting of bridge installation piece has the connection pad, the lower lateral wall fixed mounting of pier installation piece has the pier snubber block, the last lateral wall fixed mounting of pier installation piece has outer ring and location cylinder, and the center department that just location cylinder is located the outer ring, the constant head tank has been seted up to the lower lateral wall of bridge installation piece, the lower lateral wall fixed mounting of constant head tank has interior ring, and interior ring sliding connection is between outer ring and location cylinder, the lower lateral wall symmetry fixed mounting of bridge installation piece has the location section bar, the lower lateral wall fixed mounting of location section bar has the carrier bar, the last lateral wall symmetry fixed mounting of pier installation piece has L shape extension board.
Further, the upper side wall of the bridge installation block is embedded with bridge fixing screws, and the lower side wall of the bridge pier installation block is embedded with bridge pier fixing screws.
Furthermore, an X-shaped connecting block is fixedly installed between the two bridge pier fixing screws, and a U-shaped connecting block is fixedly installed between the two bridge pier fixing screws.
Further, the positioning installation groove has been seted up to the lower lateral wall of bridge installation piece and the last lateral wall of pier installation piece, the inner wall joint of positioning installation groove has the locating piece, the inside wall fixed mounting of locating piece has the buffer block, and both sides buffer block reciprocal anchorage, fixed mounting has buffer spring in the wall of buffer block.
Furthermore, the upper side wall of the positioning cylinder is fixedly provided with a shock pad.
The invention has the beneficial effects that:
1. according to the invention, by arranging the circular ring positioning structures on the inner side and the outer side, the installation blocks respectively connected with the bridge and the bridge pier can be stably fixed, the problem of transverse sliding in use is avoided, and the stability in use is ensured.
2. The invention is provided with the shock pad and other structures at the connecting part, and the shock pad and the bearing ribs are in sliding fit with the L-shaped support plate, so that when impact occurs between the bridge and the pier, the impact force can be fully discharged, and the damage to the connecting structure is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a cross-sectional view of the bridge mounting block of the present invention.
Fig. 3 is a sectional view of a pier installation block according to the present invention.
Fig. 4 is a detailed view of the invention at a.
Description of reference numerals: 1. bridge installation piece, 2, pier installation piece, 3, bridge fixed screw, 4, pier fixed screw, 5, X shape connecting block, 6, U-shaped connecting block, 7, the connection pad, 8, pier snubber block, 9, outer ring, 10, the location cylinder, 11, the constant head tank, 12, interior ring, 13, the location section bar, 14, bear the weight of the muscle, 15, L shape extension board, 16, the location mounting groove, 17, the locating piece, 18, the snubber block, 19, buffer spring, 20, the shock pad.
Detailed Description
The invention will now be further illustrated by reference to specific examples, which are intended to be illustrative only and not to limit the scope of the invention. Further, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents may fall within the scope of the invention as defined in the appended claims.
Referring to fig. 1-4, which are schematic structural views of the present invention, a large-span bridge fixing device based on ultra-high performance steel fiber concrete comprises a bridge mounting block 1 and a pier mounting block 2, wherein the bridge mounting block 1 and the pier mounting block 2 are made of steel fiber concrete, a connecting pad 7 is fixedly mounted on an upper side wall of the bridge mounting block 1, a pier damping block 8 is fixedly mounted on a lower side wall of the pier mounting block 2, when the bridge mounting block 1 and the pier mounting block 2 are respectively connected with a bridge and a pier, a cushioning effect is achieved, an outer ring 9 and a positioning cylinder 10 are fixedly mounted on an upper side wall of the pier mounting block 2, the positioning cylinder 10 is located at the center of the outer ring 9, a positioning groove 11 is formed on a lower side wall of the bridge mounting block 1, an inner ring 12 is fixedly mounted on a lower side wall of the positioning groove 11, and the inner ring 12 is slidably connected between the outer ring 9 and, the positioning effect between the piers of the bridge is realized, the lower side wall of the bridge installation block 1 is symmetrically and fixedly provided with the positioning section bar 13, the lower side wall of the positioning section bar 13 is fixedly provided with the bearing rib 14, the upper side wall of the bridge installation block 2 is symmetrically and fixedly provided with the L-shaped support plate 15, and when impact force between the bridge and the piers occurs, the impact is further buffered by the sliding of the bearing rib 14 on the L-shaped support plate 15.
The upper side wall of the bridge mounting block 1 is embedded with a bridge fixing screw 3, and the lower side wall of the bridge pier mounting block 2 is embedded with a bridge pier fixing screw 4.
In order to realize that the installation of fixed screw is stable, fixed mounting has X-shaped connecting block 5 between two pier fixed screw 4, and fixed mounting has U-shaped connecting block 6 between two bridge fixed screw 3, and X-shaped connecting block 5 and U-shaped connecting block 6 imbed respectively in bridge installation piece 1 and the 2 walls of pier installation piece.
Positioning mounting groove 16 has been seted up to the lower lateral wall of bridge installation piece 1 and the last lateral wall of pier installation piece 2, positioning mounting groove 16's inner wall joint has locating piece 17, positioning mounting groove 16 and locating piece 17's one end all are equipped with the hook and adorn the arch, guarantee its one-way fixed effect, make locating piece 17 can't deviate from, positioning piece 17's inside wall fixed mounting has buffer block 18, and both sides buffer block 18 reciprocal anchorage, buffer block 18's in-wall fixed mounting has buffer spring 19.
The upper side wall of the positioning cylinder 10 is fixedly mounted with a shock-absorbing pad 20.
When the invention works, the inner ring 12 is inserted into the annular gap between the positioning cylinder 10 and the outer ring 9 in an aligning way, and the bridge fixing screw 3 and the pier fixing screw 4 are respectively used for fixing a bridge and a pier, so that the positioning effect between the bridge and the pier can be complete, when impact occurs between the bridge and the pier, the bearing rib 14 slides on the L-shaped support plate 15 for buffering, and the buffer spring 19 arranged in the buffer block 18 is matched for further buffering. Meanwhile, the shock absorption block 8 of the pier and the shock absorption pad 20 realize shock absorption at the joint of the pier and the shock absorption pad.
According to the invention, by arranging the buffer springs and other structures which are fixedly clamped with the two sides, under the condition that the front body of the positioning block is stably installed, the effect of further relieving impact through the buffer block is realized, so that the effect of ensuring safe use of the bridge body is realized.
Claims (5)
1. The utility model provides a based on super high performance steel fibre concrete large-span bridge fixing device which characterized in that: including bridge installation piece and pier installation piece, the last side wall fixed mounting of bridge installation piece has the connection pad, the lower side wall fixed mounting of pier installation piece has the pier snubber block, the last side wall fixed mounting of pier installation piece has outer ring and location cylinder, and the location cylinder is located the center department of outer ring, the constant head tank has been seted up to the lower side wall of bridge installation piece, the lower side wall fixed mounting of constant head tank has interior ring, and interior ring sliding connection between outer ring and location cylinder, the lower side wall symmetry fixed mounting of bridge installation piece has the location section bar, the lower side wall fixed mounting of location section bar has the carrier bar, the last side wall symmetry fixed mounting of pier installation piece has L shape extension board.
2. The ultrahigh-performance steel fiber concrete-based large-span bridge fixing device according to claim 1, characterized in that: bridge fixed screws are embedded in the upper side wall of the bridge mounting block, and pier fixed screws are embedded in the lower side wall of the pier mounting block.
3. The ultrahigh-performance steel fiber concrete-based large-span bridge fixing device according to claim 2, characterized in that: and an X-shaped connecting block is fixedly installed between the two bridge pier fixing screws, and a U-shaped connecting block is fixedly installed between the two bridge pier fixing screws.
4. The ultrahigh-performance steel fiber concrete-based large-span bridge fixing device according to claim 1, characterized in that: the bridge installation piece is characterized in that a positioning installation groove is formed in the lower side wall of the bridge installation piece and the upper side wall of the pier installation piece, a positioning block is clamped on the inner wall of the positioning installation groove, a buffer block is fixedly installed on the inner side wall of the positioning block, the buffer blocks on the two sides are fixed to each other, and a buffer spring is fixedly installed in the wall of the buffer block.
5. The ultrahigh-performance steel fiber concrete-based large-span bridge fixing device according to claim 1, characterized in that: and the upper side wall of the positioning cylinder is fixedly provided with a shock pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976968.0A CN110847003A (en) | 2019-10-10 | 2019-10-10 | Fixing device for large-span bridge based on ultra-high-performance steel fiber concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976968.0A CN110847003A (en) | 2019-10-10 | 2019-10-10 | Fixing device for large-span bridge based on ultra-high-performance steel fiber concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110847003A true CN110847003A (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910976968.0A Pending CN110847003A (en) | 2019-10-10 | 2019-10-10 | Fixing device for large-span bridge based on ultra-high-performance steel fiber concrete |
Country Status (1)
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| CN (1) | CN110847003A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6178029B1 (en) * | 2017-02-24 | 2017-08-09 | 株式会社ビービーエム | Seismic isolation device for structures |
| JP2017214824A (en) * | 2011-12-16 | 2017-12-07 | 株式会社Ｉｈｉインフラシステム | Elasto-plastic hysteretic damper |
| CN207419238U (en) * | 2017-09-07 | 2018-05-29 | 苏荣锋 | A kind of shock-absorbing bridge support being used between bridge pier and bridge based on reinforcing assembling |
| CN207904758U (en) * | 2018-02-26 | 2018-09-25 | 河南日月明新能源科技有限公司 | A kind of bridge shockproof bearing |
| CN207933882U (en) * | 2017-12-10 | 2018-10-02 | 四川双建路桥机械有限责任公司 | A kind of high-speed rail bridge bearing damping device |
| CN108677694A (en) * | 2018-06-06 | 2018-10-19 | 芜湖铁路桥梁制造有限公司 | Shock-absorbing bridge support |
| CN108708272A (en) * | 2018-08-14 | 2018-10-26 | 山西路桥建设集团有限公司 | Bridge girder anti-seismic bearing |
| KR101940454B1 (en) * | 2018-07-02 | 2019-01-18 | 주식회사 브리텍 | Support bearing device for earthquake-resistant |
| CN209099160U (en) * | 2018-08-23 | 2019-07-12 | 国诚集团有限公司 | A kind of shock-absorbing bridge support between bridge pier and bridge |
-
2019
- 2019-10-10 CN CN201910976968.0A patent/CN110847003A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017214824A (en) * | 2011-12-16 | 2017-12-07 | 株式会社Ｉｈｉインフラシステム | Elasto-plastic hysteretic damper |
| JP6178029B1 (en) * | 2017-02-24 | 2017-08-09 | 株式会社ビービーエム | Seismic isolation device for structures |
| CN207419238U (en) * | 2017-09-07 | 2018-05-29 | 苏荣锋 | A kind of shock-absorbing bridge support being used between bridge pier and bridge based on reinforcing assembling |
| CN207933882U (en) * | 2017-12-10 | 2018-10-02 | 四川双建路桥机械有限责任公司 | A kind of high-speed rail bridge bearing damping device |
| CN207904758U (en) * | 2018-02-26 | 2018-09-25 | 河南日月明新能源科技有限公司 | A kind of bridge shockproof bearing |
| CN108677694A (en) * | 2018-06-06 | 2018-10-19 | 芜湖铁路桥梁制造有限公司 | Shock-absorbing bridge support |
| KR101940454B1 (en) * | 2018-07-02 | 2019-01-18 | 주식회사 브리텍 | Support bearing device for earthquake-resistant |
| CN108708272A (en) * | 2018-08-14 | 2018-10-26 | 山西路桥建设集团有限公司 | Bridge girder anti-seismic bearing |
| CN209099160U (en) * | 2018-08-23 | 2019-07-12 | 国诚集团有限公司 | A kind of shock-absorbing bridge support between bridge pier and bridge |
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Application publication date: 20200228 |