CN103911947A - Bridge extending and contracting device - Google Patents
Bridge extending and contracting device Download PDFInfo
- Publication number
- CN103911947A CN103911947A CN201410126790.8A CN201410126790A CN103911947A CN 103911947 A CN103911947 A CN 103911947A CN 201410126790 A CN201410126790 A CN 201410126790A CN 103911947 A CN103911947 A CN 103911947A
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- connecting portion
- shaped steel
- fixed head
- waterstop
- side bar
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Abstract
The invention relates to bridge engineering parts, in particular to a bridge extending and contracting device which comprises a supporting displacement box, a supporting cross beam, side beam profile steel and middle beam profile steel. A waterstop is arranged between the side beam profile steel and the middle beam profile steel, the supporting cross beam comprises a connecting plate and fixing plates arranged at two ends of the connecting plate, the connecting plate and the fixing plates are hinged through rotating shafts, supporting rings are arranged between the supporting displacement box and the upper end faces of the fixing plates, sliding supports are arranged between the supporting displacement box and the lower end faces of the fixing plates, the connecting plate and the fixing plates are in tooth-shaped meshing, and a rubber ring is arranged between two meshing teeth. The bridge extending and contracting device can meet requirements of horizontal displacement of a bridge and vertical displacement and horizontal malposition displacement between two beams. The waterstop is convenient to replace, so that the problem of difficulty in replacement of the waterstop after being aged and damaged is solved.
Description
Technical field
The present invention relates to bridge engineering parts, be specifically related to a kind of bridge extension joint.
Background technology
In order to meet the requirement of bridge deck structure distortion, conventionally between two beams of bridge, bridge extension joint is installed, can meet vehicle steadily by bridge floor, can meet again the requirement of bridge floor distortion.Existing bridge extension joint generally can only meet the horizontal movement at bridge floor bearing of trend; but bridge is in long-term use procedure; conventionally also can produce the variations in skews of horizontal direction between the conversion of height between two beams and two beams; but existing bridge extension joint can not address this problem, cause bridge floor in the time producing above-mentioned displacement, to cause stretching device to damage.
In the middle of existing bridge extension joint, be all provided with rubber fastening band, but rubber fastening band is after using after a while, is easy to aging breakage, loses the function of sealing, causes waterstop to perform practically no function, and is difficult to afterwards change in waterstop breakage.
Summary of the invention
The object of the invention is to solve the deficiency existing in above-mentioned background technology, provide a kind of and can meet vertical displacement between bridge horizontal movement, two beams and the bridge extension joint of horizontal displacement displacement.
The present invention adopts following technical scheme:
A kind of bridge extension joint, it comprises that bracing displacement case, the two ends of two mirror image settings are inserted in respectively the side bar shaped steel of two supporting traverses in bracing displacement case, two mirror image settings and are fixed on the central sill shaped steel on supporting traverse, described side bar shaped steel is fixedly installed on upper edge, bracing displacement case inner side, between described side bar shaped steel and central sill shaped steel, is provided with waterstop; Described supporting traverse comprises junction plate and is arranged at the fixed head at junction plate two ends, described junction plate and fixed head are hinged by rotating shaft, between described bracing displacement case and fixed head upper surface, be provided with support spring, between described bracing displacement case and fixed head lower surface, be provided with sliding support; Between described junction plate and fixed head, be thread form engagement, between two engaging tooths, be provided with rubber ring.
As a further improvement on the present invention, described waterstop two ends are provided with the connecting portion of column type, on described side bar shaped steel and central sill shaped steel, be provided with the groove matching with the connecting portion of described column type, described connecting portion is inserted in described groove, between connecting portion and groove, is provided with ball.
As a further improvement on the present invention, described ball is embedded in described connecting portion.
As a further improvement on the present invention, described connecting portion comprises outer connecting portion and be plugged on the inner support portion in outer connecting portion, and described outer connecting portion is cylindric, is provided with the breach of wedge shape on it, described inner support portion is cylindric, is provided with the wedge shape projection matching with described wedge-shaped indentation on it.
As a further improvement on the present invention, between described side bar shaped steel and the upper surface of bracing displacement case, be provided with gusset.
As a further improvement on the present invention, on described bracing displacement case, be provided with anchor studs.
Good effect of the present invention is as follows:
Supporting traverse of the present invention is inserted between two bracing displacement casees, and and between bracing displacement case, be provided with support spring and sliding support, can meet bridge floor in the horizontal extension distortion along road surface direction, the junction plate comprising due to supporting traverse and the fixed head at two ends are hinged by rotating shaft, can meet like this two bridge floors because the height that the displacement of vertical direction produces changes.Between described junction plate and fixed head, be thread form engagement, between two engaging tooths, be provided with rubber ring, because rubber ring has good elasticity, in the time producing the dislocation displacement of horizontal direction, can not make device be destroyed like this.
Owing to being provided with ball between the connecting portion of waterstop and groove, bring great convenience to like this later stage dismounting waterstop, after the aging breakage of waterstop, can be convenient for changing, greatly reduce the workload of changing waterstop, improve efficiency of construction.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present invention;
The structural representation that accompanying drawing 2 is supporting traverse of the present invention;
Accompanying drawing 3 is the mounting structure schematic diagram of the embodiment of the present invention 1 waterstop;
Accompanying drawing 4 is the structural representation of the embodiment of the present invention 2 waterstops.
In the accompanying drawings: 1 bracing displacement case, 2 support springs, 3 side bar shaped steel, 4 central sill shaped steel, 5 waterstops, 6 gussets, 7 sliding supports, 8 fixed heads, 9 junction plates, 10 anchor studs, 11 connecting portions, 12 balls, 13 rubber rings, 14 grooves, 15 outer connecting portions, 16 inner support portions, 17 rotating shafts.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
A kind of bridge extension joint as shown in Figure 1, it comprises that bracing displacement case 1, the two ends of two mirror image settings are inserted in respectively the side bar shaped steel 3 of two supporting traverses in bracing displacement case 1, two mirror image settings and are fixed on the central sill shaped steel 4 on supporting traverse, described side bar shaped steel 3 is fixedly installed on edge on bracing displacement case 1 inner side, between described side bar shaped steel 3 and central sill shaped steel 4, is provided with waterstop 5; As shown in Figure 2, described supporting traverse comprises junction plate 9 and is arranged at the fixed head 8 at junction plate 9 two ends, described junction plate 9 and fixed head 8 are hinged by rotating shaft 17, between described bracing displacement case 1 and fixed head 8 upper surfaces, be provided with support spring 2, between described bracing displacement case 1 and fixed head 8 lower surfaces, be provided with sliding support 7; Between described junction plate 9 and fixed head 8, be thread form engagement, between two engaging tooths, be provided with rubber ring 13.
As shown in Figure 3, described waterstop 5 two ends are provided with the connecting portion 11 of column type, on described side bar shaped steel 3 and central sill shaped steel 4, be provided with the groove 14 matching with the connecting portion 11 of described column type, described connecting portion 11 is inserted in described groove 14, between connecting portion 11 and groove 14, be provided with some balls 12, ball 12 is arranged at respectively top and the bottom of connecting portion 11, and the top of described connecting portion 11 and bottom are provided with the chute rolling for ball 12.
As shown in Figure 1, between described side bar shaped steel 3 and the upper surface of bracing displacement case 1, be provided with gusset 6, can strengthen like this bonding strength between side bar shaped steel 3 and bracing displacement case 1, avoid the situation that causes side bar shaped steel 3 to damage due to rolling of vehicle; On described bracing displacement case 1, be provided with anchor studs 10, can being fixed in bridge floor bracing displacement case 1 firm stable.
Embodiment 2
The difference of the present embodiment and embodiment 1 is the structure of the connecting portion 11 of waterstop 5.As shown in Figure 4, described connecting portion 11 comprises outer connecting portion 15 and is plugged on the inner support portion 16 in outer connecting portion 15, described outer connecting portion 15 cross sections are circular, on it, be provided with the breach of wedge shape, described inner support portion 16 is cylindric, is provided with the wedge shape projection matching with described wedge-shaped indentation on it.In the time that inner support portion 16 releases, outer support portion 15 is tool cylinder jaggy, and its external diameter must dwindle, and can not fit tightly with groove 14, so just facilitates the installation and removal of waterstop 5, and convenient for maintaining is changed.
Ball 12 is embedded in connecting portion 11, is equipped with some balls 12 in top and the bottom of connecting portion 11, and in the time of installation and removal waterstop 5, ball 12 can not come off, and makes to construct more convenient.
In like manner, in described inner support portion 16, can set equally ball, to facilitate the dismounting of inner support portion.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can be described and be distributed in the device of embodiment according to embodiment, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (6)
1. a bridge extension joint, it is characterized in that: they bracing displacement case (1), two ends that comprise that two mirror images arrange are inserted in respectively the side bar shaped steel (3) of the supporting traverse in two bracing displacement casees (1), two mirror image settings and are fixed on the central sill shaped steel (4) on supporting traverse, described side bar shaped steel (3) is fixedly installed on edge on bracing displacement case (1) inner side, between described side bar shaped steel (3) and central sill shaped steel (4), is provided with waterstop (5); Described supporting traverse comprises junction plate (9) and is arranged at the fixed head (8) at junction plate (9) two ends, described junction plate (9) and fixed head (8) are hinged by rotating shaft (17), between described bracing displacement case (1) and fixed head (8) upper surface, be provided with support spring (2), between described bracing displacement case (1) and fixed head (8) lower surface, be provided with sliding support (7); Between described junction plate (9) and fixed head (8), be thread form engagement, between two engaging tooths, be provided with rubber ring (13).
2. a kind of bridge extension joint according to claim 1, it is characterized in that: described waterstop (5) two ends are provided with the connecting portion (11) of column type, on described side bar shaped steel (3) and central sill shaped steel (4), be provided with the groove (14) matching with the connecting portion (11) of described column type, described connecting portion (11) is inserted in described groove (14), between connecting portion (11) and groove (14), is provided with ball (12).
3. a kind of bridge extension joint according to claim 2, is characterized in that: described ball (12) is embedded in described connecting portion (11).
4. a kind of bridge extension joint according to claim 3, it is characterized in that: described connecting portion (11) comprises outer connecting portion (15) and is plugged on the inner support portion (16) in outer connecting portion (15), described outer connecting portion (15) is cylindric, on it, be provided with the breach of wedge shape, described inner support portion (16) is cylindric, is provided with the wedge shape projection matching with described wedge-shaped indentation on it.
5. according to a kind of bridge extension joint described in claim 1-4 any one, it is characterized in that: between described side bar shaped steel (3) and the upper surface of bracing displacement case (1), be provided with gusset (6).
6. according to a kind of bridge extension joint described in claim 1-4 any one, it is characterized in that: on described bracing displacement case (1), be provided with anchor studs (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126790.8A CN103911947B (en) | 2014-04-01 | 2014-04-01 | A kind of bridge extension joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126790.8A CN103911947B (en) | 2014-04-01 | 2014-04-01 | A kind of bridge extension joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103911947A true CN103911947A (en) | 2014-07-09 |
| CN103911947B CN103911947B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410126790.8A Active CN103911947B (en) | 2014-04-01 | 2014-04-01 | A kind of bridge extension joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103911947B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835967A (en) * | 2016-12-29 | 2017-06-13 | 温州市九成建设工程有限公司 | A kind of bridge extension joint |
| CN107119558A (en) * | 2017-06-20 | 2017-09-01 | 浙江秦山橡胶工程股份有限公司 | A kind of bridge extension joint of strong applicability |
| CN107806189A (en) * | 2017-10-27 | 2018-03-16 | 五冶集团上海有限公司 | Expanded joint structure is built in a kind of room |
| CN107974934A (en) * | 2017-12-01 | 2018-05-01 | 浙江鸿腾橡胶有限公司 | A kind of bridge extension joint waterstop |
| CN110804946A (en) * | 2019-11-01 | 2020-02-18 | 南京毛勒工程材料有限公司 | Maintenance method for large-displacement modulus type telescopic device |
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| GB1410114A (en) * | 1972-01-14 | 1975-10-15 | Precontrainte Et Dequipement D | Joint for roadworks |
| CN200978384Y (en) * | 2006-12-05 | 2007-11-21 | 张楸长 | Package packing type telescopic water stop belt |
| CN201040830Y (en) * | 2007-06-09 | 2008-03-26 | 衡水中铁建工程橡胶有限责任公司 | Telescopic device supporting and displacement controlling box body |
| WO2011144498A1 (en) * | 2010-05-17 | 2011-11-24 | Construction Research & Technology Gmbh | Expansion joint system using flexible moment connection and friction springs |
| CN202220324U (en) * | 2011-09-29 | 2012-05-16 | 衡水橡胶股份有限公司 | Multidirectional displacement modulus type bridge telescopic device |
| CN202359497U (en) * | 2012-04-14 | 2012-08-01 | 李洪坡 | Multi-direction deflection analog-digital type stretching device |
| CN102979035A (en) * | 2013-01-05 | 2013-03-20 | 中国铁道科学研究院铁道建筑研究所 | Bridge expansion joint with variable-rigidity clamping end |
| CN103510467A (en) * | 2013-10-17 | 2014-01-15 | 山东斯普润桥梁材料技术有限公司 | Bridge expansion device |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1410114A (en) * | 1972-01-14 | 1975-10-15 | Precontrainte Et Dequipement D | Joint for roadworks |
| CN200978384Y (en) * | 2006-12-05 | 2007-11-21 | 张楸长 | Package packing type telescopic water stop belt |
| CN201040830Y (en) * | 2007-06-09 | 2008-03-26 | 衡水中铁建工程橡胶有限责任公司 | Telescopic device supporting and displacement controlling box body |
| WO2011144498A1 (en) * | 2010-05-17 | 2011-11-24 | Construction Research & Technology Gmbh | Expansion joint system using flexible moment connection and friction springs |
| CN202220324U (en) * | 2011-09-29 | 2012-05-16 | 衡水橡胶股份有限公司 | Multidirectional displacement modulus type bridge telescopic device |
| CN202359497U (en) * | 2012-04-14 | 2012-08-01 | 李洪坡 | Multi-direction deflection analog-digital type stretching device |
| CN102979035A (en) * | 2013-01-05 | 2013-03-20 | 中国铁道科学研究院铁道建筑研究所 | Bridge expansion joint with variable-rigidity clamping end |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835967A (en) * | 2016-12-29 | 2017-06-13 | 温州市九成建设工程有限公司 | A kind of bridge extension joint |
| CN106835967B (en) * | 2016-12-29 | 2018-08-31 | 温州市九成建设工程有限公司 | A kind of bridge extension joint |
| CN107119558A (en) * | 2017-06-20 | 2017-09-01 | 浙江秦山橡胶工程股份有限公司 | A kind of bridge extension joint of strong applicability |
| CN107806189A (en) * | 2017-10-27 | 2018-03-16 | 五冶集团上海有限公司 | Expanded joint structure is built in a kind of room |
| CN107974934A (en) * | 2017-12-01 | 2018-05-01 | 浙江鸿腾橡胶有限公司 | A kind of bridge extension joint waterstop |
| CN110804946A (en) * | 2019-11-01 | 2020-02-18 | 南京毛勒工程材料有限公司 | Maintenance method for large-displacement modulus type telescopic device |
| WO2021082513A1 (en) * | 2019-11-01 | 2021-05-06 | 南京毛勒工程材料有限公司 | Method for maintaining large-displacement modular expansion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103911947B (en) | 2016-08-17 |
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Address after: 066000 No. 151, Hongqi Road, Haigang District, Qinhuangdao City, Hebei Province Patentee after: Hebei Jiaotou road and bridge construction and Development Co.,Ltd. Address before: 066000 No. 8, Hongqi Road, Haigang District, Qinhuangdao City, Hebei Province Patentee before: QINHUANGDAO ROAD AND BRIDGE CONSTRUCTION AND DEVELOPMENT CO.,LTD. |