CN111851285A - Public road bridge roof beam telescoping device seals protective structure - Google Patents
Public road bridge roof beam telescoping device seals protective structure Download PDFInfo
- Publication number
- CN111851285A CN111851285A CN202010877296.0A CN202010877296A CN111851285A CN 111851285 A CN111851285 A CN 111851285A CN 202010877296 A CN202010877296 A CN 202010877296A CN 111851285 A CN111851285 A CN 111851285A
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- sealing
- block
- rotating shaft
- movable block
- bridge
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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
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a sealing protection structure for a highway bridge expansion device, which comprises a foundation, a bridge body and a sealing connection device, wherein an expansion joint is arranged between the foundation and the bridge body, the sealing connection device is arranged in the expansion joint, the sealing connection component comprises a connection device and a sealing device, and the sealing device is fixedly connected to the connection device. The device further drives the rotating ring to rotate through rotating the rotating shaft II, so that the movable block and the fixed block are relatively fixed with the foundation bridge body; meanwhile, the movable block is arranged on the fixed block in a sliding mode through the sliding rod, and springs are arranged on the sliding rod and the fixed block support, so that the bridge body and the foundation can be normally contracted; elasticity is laid between installation piece and the support plate, further makes laminating each other between sealing ring and ground and the pontic, and the sealed effect in the expansion joint of further improvement possesses good application prospect.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a sealing protection structure for a telescopic device of a highway bridge.
Background
The expansion joint of bridge is to meet the requirement of deformation of bridge deck, and is usually set between two beam ends, between beam end and abutment or at the hinged position of bridge. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; it is necessary to prevent rainwater and soil infiltration and blocking of garbage.
At present, the sealing protection structure of the existing highway bridge expansion device is not easy to replace, and the sealing strip is easy to age and damage for a long time, so that the sealing protection effect is reduced, and the sealing protection structure of the highway bridge expansion device is provided.
Disclosure of Invention
The invention aims to provide a sealing protection structure for a highway bridge expansion device, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a public road bridge roof beam telescoping device seals protective structure, includes ground, the pontic and sealing connection device, lays the expansion joint between ground and the pontic, and sealing connection device lays and installs in the expansion joint, sealing connection assembly include connecting device and sealing device, on the sealing device fixed connection connecting device, sealed dress includes elasticity telescopic link, support plate, limiting plate, sealing ring and installation piece, on the one end fixed connection support plate of elasticity telescopic link, other end fixed connection is on connecting device, installation piece elastic mounting is in the both sides of support plate, sealing ring demountable installation on the installation piece, laminate each other between sealing ring and ground and the pontic, limiting plate fixed connection is in the bottom of installation piece, and the limiting plate card is established in the expansion joint.
As a still further scheme of the invention: connecting device include movable block, fixed block and fixed subassembly, movable block and fixed block on all laid fixed subassembly movable block and fixed block on fixedly connected with slide bar, the movable block passes through the slide bar slide and lay on the fixed block, laid the spring at slide bar and fixed block support.
As a still further scheme of the invention: the fixed assembly comprises a rotating ring, an extrusion block and a push rod, threaded holes are formed in two ends of the rotating ring, the push rod is spirally arranged in the threads, the extrusion block is fixedly connected to the tail end of the push rod, the extrusion block extrudes the foundation or the bridge body, a driving assembly is arranged on the fixed block and the movable block, and the driving assembly is in power connection with the rotating ring.
As a still further scheme of the invention: the driving assembly comprises a first rotating shaft and a second rotating shaft, a driving cavity is formed in the fixed block and the movable block, the first rotating shaft and the second rotating shaft are perpendicular to each other and are respectively rotatably installed in the driving cavity, the first rotating shaft and the second rotating shaft are connected through a bevel gear pair, the second rotating shaft and the rotating ring are connected through a gear pair, and the tail end of the second rotating shaft is located outside the rotating cavity.
As a still further scheme of the invention: and a limiting component is arranged between the push rod and the movable block as well as between the push rod and the fixed block.
As a still further scheme of the invention: the limiting assembly comprises a limiting sliding groove and a limiting sliding block, the limiting sliding groove is formed in the push rod, and the limiting sliding block is arranged in the limiting sliding groove in a sliding mode.
As a still further scheme of the invention: the limiting slide block is correspondingly and fixedly connected to the movable block and the movable block.
Compared with the prior art, the invention has the beneficial effects that: the device has simple structure and strong practicability; the second rotating shaft is rotated to further drive the rotating ring to rotate; the extrusion block extrudes the foundation or the bridge body to realize the relative fixation of the movable block and the fixed block with the foundation bridge body; meanwhile, the movable block is arranged on the fixed block in a sliding mode through the sliding rod, and springs are arranged on the sliding rod and the fixed block support, so that the bridge body and the foundation can be normally contracted; the installation block and the support plate are elastically arranged, so that the sealing ring, the foundation and the bridge body are further attached to each other, the sealing effect on the expansion joint is further improved, the limiting plate is fixedly connected to the bottom of the installation block, and when the expansion joint is used, the limiting plate is clamped in the expansion joint, so that the support plate is further prevented from bouncing, and the actual using effect is greatly improved; has good application prospect.
Drawings
Fig. 1 is a schematic structural view of a sealing protection structure of a highway bridge expansion device.
Fig. 2 is a schematic structural view of a sealing state in a sealing protection structure of a telescopic device of a highway bridge.
Fig. 3 is an enlarged structural schematic view of a view a in the sealing protection structure of the road bridge expansion device.
Fig. 4 is a schematic structural view of a sealing protection structure of a road bridge expansion device from top view.
In the figure: 1-foundation, 2-bridge body, 3-expansion joint, 4-extrusion block, 5-movable block, 6-fixed block, 7-slide bar, 8-elastic expansion link, 9-sealing ring, 10-limiting plate, 11-carrier plate, 12-installation block, 13-gear pair, 14-first rotating shaft, 15-second rotating shaft, 16-driving cavity, 17-push rod, 18-limiting slide block, 19-limiting slide groove and 20-rotating ring.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Example one
Referring to fig. 1-4, a sealing protection structure for a road bridge expansion device comprises a foundation 1, a bridge body 2 and a sealing connection device, wherein an expansion joint 3 is arranged between the foundation 1 and the bridge body 2, the sealing connection device is arranged in the expansion joint 3, the sealing connection component comprises a connection device and a sealing device, and the connection between the sealing device and the foundation 1 as well as the connection between the sealing device and the bridge body 2 is realized through the connection device; the sealing device is fixedly connected with the connecting device and comprises an elastic telescopic rod 8, a carrier plate 11, a limiting plate 10, a sealing ring 9 and a mounting block 12, one end of the elastic telescopic rod 8 is fixedly connected with the carrier plate 11, the other end is fixedly connected with the connecting device, the mounting blocks 12 are elastically mounted on both sides of the carrier plate 11, and further contact with the foundation 1 and the bridge body 2, the sealing ring 9 is detachably arranged on the mounting block 12, and further the sealing ring 9 is attached to the foundation 1 and the bridge body 2 through the elastic arrangement between the mounting block 12 and the carrier plate 11, so that the sealing effect on the expansion joint 3 is further improved, the limiting plate 10 is fixedly connected to the bottom of the mounting block 12, and further when the expansion joint is used, the limiting plate 10 is clamped in the expansion joint 3, so that the support plate 11 is further prevented from bouncing up.
Specifically, connecting device's concrete structural configuration not inject, in this embodiment, connecting device include movable block 5, fixed block 6 and fixed subassembly, movable block 5 and fixed block 6 on all laid fixed subassembly movable block 5 on fixedly connected with slide bar 7, movable block 5 passes through slide bar 7 slide and lay on fixed block 6, laid the spring at slide bar 7 and fixed block 6 support, guarantee that can normally contract between pontic 2 and the ground 1.
Concretely, fixed subassembly include swivel becket 20, extrude 4 and push rod 17 swivel becket 20's both ends set up threaded hole, push rod 17 spiral is laid in the screw thread, further works as swivel becket 20 when rotating, the push rod 17 at a drive both ends moves toward both sides, 4 fixed connection of extrusion piece are at the end of push rod 17, further pass through extrusion piece 4 extrude ground 1 or pontic 2 on, realize movable block 5 and fixed block 6 and the relative fixation of 1 pontic 2 of ground, specific, laid drive assembly on fixed block 6 and movable block 5, power connection between drive assembly and the swivel becket 20.
Specifically, the specific structural configuration of the driving assembly is not limited, in this embodiment, the driving assembly includes a first rotating shaft 14 and a second rotating shaft 15, a driving cavity 16 is formed in the fixed block 6 and the movable block 5, the first rotating shaft 14 and the second rotating shaft 15 are perpendicular to each other and are respectively rotatably installed in the driving cavity 16, the first rotating shaft 14 and the second rotating shaft 15 are connected through a bevel gear pair 13, the second rotating shaft 15 and the rotating ring 20 are connected through a gear pair 13, and further the rotating ring 20 is further driven to rotate by rotating the second rotating shaft 15; specifically, the tail end of the second rotating shaft 15 is located outside the rotating cavity.
The working principle of the invention is as follows: when the device is used, the second rotating shaft 15 is rotated to further drive the rotating ring 20 to rotate; the extrusion block 4 extrudes the foundation 1 or the bridge body 2 to realize the relative fixation of the movable block 5 and the fixed block 6 with the foundation 1 and the bridge body 2; meanwhile, the movable block 5 is arranged on the fixed block 6 in a sliding mode through the sliding rod 7, and springs are arranged on the sliding rod 7 and the fixed block 6 in a supporting mode, so that the bridge body 2 and the foundation 1 can be normally contracted; elasticity is laid between installation piece 12 and the support plate 11, further makes and laminates each other between sealing ring 9 and ground 1 and the pontic 2, the sealed effect on the expansion joint 3 of further improvement, limiting plate 10 fixed connection in the bottom of installation piece 12, when using, limiting plate 10's card is established in expansion joint 3, further avoiding support plate 11 bounce, very big improvement actual result of use.
Example two
In order to further improve the practical use effect of the push rod 17, the present embodiment is modified based on the first embodiment in that a limiting component is disposed between the push rod 17 and the movable block 5 and the fixed block 6.
Specifically, the concrete structural configuration of spacing subassembly does not add the injecion, in this embodiment, spacing subassembly include spacing spout 19 and spacing slider 18, spacing spout 19 set up on push rod 17, spacing slider 18 slides and lays in spacing spout 19, just spacing slider 18 corresponds fixed connection on movable block 5 and movable block 5, further prevents push rod 17's rotation, realizes the guide effect to push rod 17 simultaneously.
The working principle of the embodiment is as follows: spacing spout 19 is seted up on push rod 17, and spacing slider 18 slides and lays in spacing spout 19, just spacing slider 18 corresponds fixed connection on movable block 5 and movable block 5, and further the rotation that prevents push rod 17 realizes the guide effect to push rod 17, further improvement in-service use effect simultaneously.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (7)
1. A sealing protection structure of a road bridge expansion device comprises a foundation (1), a bridge body (2) and a sealing connection device, and is characterized in that an expansion joint (3) is reserved between the foundation (1) and the bridge body (2), the sealing connection device is arranged and installed in the expansion joint (3), the sealing connection device comprises a connection device and a sealing device, the sealing device is fixedly connected with the connection device and comprises an elastic expansion rod (8), a support plate (11), a limiting plate (10), a sealing ring (9) and an installation block (12), one end of the elastic expansion rod (8) is fixedly connected with the support plate (11), the other end of the elastic expansion rod is fixedly connected with the connection device, the installation block (12) is elastically installed on two sides of the support plate (11), the sealing ring (9) is detachably installed on the installation block (12), and the sealing ring (9) is mutually attached to the foundation (1) and the bridge body (2), the limiting plate (10) is fixedly connected to the bottom of the mounting block (12), and the limiting plate (10) is clamped in the expansion joint (3).
2. The sealing and protecting structure for the telescopic device of the highway bridge as claimed in claim 1, wherein the connecting device comprises a movable block (5), a fixed block (6) and a fixed assembly, the fixed assembly is arranged on the movable block (5) and the fixed block (6), a sliding rod (7) is fixedly connected to the movable block (5), the movable block (5) is arranged on the fixed block (6) through the sliding rod (7) in a sliding manner, and springs are arranged on the sliding rod (7) and the fixed block (6) support.
3. The sealing and protecting structure for the road bridge expansion device according to claim 2, wherein the fixing assembly comprises a rotating ring (20), an extrusion block (4) and a push rod (17), threaded holes are formed in two ends of the rotating ring (20), the push rod (17) is spirally arranged in the threads, the extrusion block (4) is fixedly connected to the tail end of the push rod (17), the extrusion block (4) extrudes the foundation (1) or the bridge body (2), driving assemblies are arranged on the fixing block (6) and the movable block (5), and the driving assemblies are in power connection with the rotating ring (20).
4. The sealing and protecting structure for the telescopic device of the highway bridge as claimed in claim 3, wherein the driving assembly comprises a first rotating shaft (14) and a second rotating shaft (15), a driving cavity (16) is formed in the fixed block (6) and the movable block (5), the first rotating shaft (14) and the second rotating shaft (15) are perpendicular to each other and are respectively rotatably installed in the driving cavity (16), the first rotating shaft (14) and the second rotating shaft (15) are connected through a bevel gear pair, the second rotating shaft (15) and the rotating ring (20) are connected through a gear pair (13), and the tail end of the second rotating shaft (15) is located outside the rotating cavity.
5. The sealing and protecting structure for the telescopic device of the highway bridge as claimed in claim 4, wherein a limiting component is arranged between the push rod (17) and the movable block (5) and the fixed block (6).
6. The sealing and protecting structure for the road bridge expansion device according to claim 5, wherein the limiting component comprises a limiting sliding groove (19) and a limiting sliding block (18), the limiting sliding groove (19) is arranged on the push rod (17), and the limiting sliding block (18) is arranged in the limiting sliding groove (19) in a sliding manner.
7. The sealing and protecting structure for the telescopic device of the highway bridge as claimed in claim 6, wherein the limiting slide block (18) is correspondingly and fixedly connected to the movable block (5) and the fixed block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877296.0A CN111851285A (en) | 2020-08-27 | 2020-08-27 | Public road bridge roof beam telescoping device seals protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877296.0A CN111851285A (en) | 2020-08-27 | 2020-08-27 | Public road bridge roof beam telescoping device seals protective structure |
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| Publication Number | Publication Date |
|---|---|
| CN111851285A true CN111851285A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010877296.0A Pending CN111851285A (en) | 2020-08-27 | 2020-08-27 | Public road bridge roof beam telescoping device seals protective structure |
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| CN (1) | CN111851285A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709129A (en) * | 2020-12-30 | 2021-04-27 | 华观兰 | Public road bridge roof beam telescoping device seals protective structure |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2445710A1 (en) * | 2001-10-24 | 2003-05-01 | Milan Pilja | Joiner improvements |
| JP2009138477A (en) * | 2007-12-10 | 2009-06-25 | Daichi Koei Kk | Expansion device for sidewalk |
| KR100921415B1 (en) * | 2008-12-24 | 2009-10-14 | 진형건설(주) | Refraction-type expansion and construction joint apparatus for a bridge |
| CN204298726U (en) * | 2014-12-02 | 2015-04-29 | 王祥国 | A kind of Expansion Units for Highway Bridges |
| CN204919321U (en) * | 2015-09-11 | 2015-12-30 | 张庆建 | Telescoping device on public road bridge roof beam pavement |
| CN109235256A (en) * | 2018-10-22 | 2019-01-18 | 东南大学 | A kind of novel bridge expansion gap device monitoring beam end displacement |
| CN208518094U (en) * | 2018-05-29 | 2019-02-19 | 江苏火花钢结构集团有限公司 | A kind of steel connection structure of high stability |
| CN209493841U (en) * | 2018-10-30 | 2019-10-15 | 中国市政工程中南设计研究总院有限公司 | A kind of telescopic device for installing bridge |
| CN209555762U (en) * | 2019-01-24 | 2019-10-29 | 李艳 | A kind of Double-joint expansion joint device for bridge |
| CN210117811U (en) * | 2019-01-29 | 2020-02-28 | 广东中鑫宏建设有限公司 | Connection structure of prefabricated building |
| CN210684453U (en) * | 2019-09-24 | 2020-06-05 | 河南水建集团有限公司 | Bridge expansion joint auxiliary device of BIM technique |
| CN111424963A (en) * | 2020-04-08 | 2020-07-17 | 发达控股集团有限公司 | Reinforcing method for preventing deformation and easy disassembly of expansion joint of concrete shear wall and avoiding locking leg |
| CN211058020U (en) * | 2019-08-27 | 2020-07-21 | 四川和致建设工程有限公司 | Connecting device for building external hanging and building main body |
| CN211228083U (en) * | 2019-10-15 | 2020-08-11 | 黄苏妹 | Bridge expansion joint cover plate |
-
2020
- 2020-08-27 CN CN202010877296.0A patent/CN111851285A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2445710A1 (en) * | 2001-10-24 | 2003-05-01 | Milan Pilja | Joiner improvements |
| JP2009138477A (en) * | 2007-12-10 | 2009-06-25 | Daichi Koei Kk | Expansion device for sidewalk |
| KR100921415B1 (en) * | 2008-12-24 | 2009-10-14 | 진형건설(주) | Refraction-type expansion and construction joint apparatus for a bridge |
| CN204298726U (en) * | 2014-12-02 | 2015-04-29 | 王祥国 | A kind of Expansion Units for Highway Bridges |
| CN204919321U (en) * | 2015-09-11 | 2015-12-30 | 张庆建 | Telescoping device on public road bridge roof beam pavement |
| CN208518094U (en) * | 2018-05-29 | 2019-02-19 | 江苏火花钢结构集团有限公司 | A kind of steel connection structure of high stability |
| CN109235256A (en) * | 2018-10-22 | 2019-01-18 | 东南大学 | A kind of novel bridge expansion gap device monitoring beam end displacement |
| CN209493841U (en) * | 2018-10-30 | 2019-10-15 | 中国市政工程中南设计研究总院有限公司 | A kind of telescopic device for installing bridge |
| CN209555762U (en) * | 2019-01-24 | 2019-10-29 | 李艳 | A kind of Double-joint expansion joint device for bridge |
| CN210117811U (en) * | 2019-01-29 | 2020-02-28 | 广东中鑫宏建设有限公司 | Connection structure of prefabricated building |
| CN211058020U (en) * | 2019-08-27 | 2020-07-21 | 四川和致建设工程有限公司 | Connecting device for building external hanging and building main body |
| CN210684453U (en) * | 2019-09-24 | 2020-06-05 | 河南水建集团有限公司 | Bridge expansion joint auxiliary device of BIM technique |
| CN211228083U (en) * | 2019-10-15 | 2020-08-11 | 黄苏妹 | Bridge expansion joint cover plate |
| CN111424963A (en) * | 2020-04-08 | 2020-07-17 | 发达控股集团有限公司 | Reinforcing method for preventing deformation and easy disassembly of expansion joint of concrete shear wall and avoiding locking leg |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709129A (en) * | 2020-12-30 | 2021-04-27 | 华观兰 | Public road bridge roof beam telescoping device seals protective structure |
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Application publication date: 20201030 |