CN108867352B - Expansion joint covering device for municipal bridge - Google Patents
Expansion joint covering device for municipal bridge Download PDFInfo
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- CN108867352B CN108867352B CN201810653796.9A CN201810653796A CN108867352B CN 108867352 B CN108867352 B CN 108867352B CN 201810653796 A CN201810653796 A CN 201810653796A CN 108867352 B CN108867352 B CN 108867352B
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- expansion joint
- covering device
- municipal
- bridge
- embedded
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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
Abstract
The invention discloses an expansion joint covering device for a municipal bridge, which comprises a precast concrete bridge, wherein an expansion joint is arranged between the concrete bridges, embedded parts are respectively embedded in the concrete bridges at two sides of the expansion joint, bolts are welded on the embedded parts, the embedded parts are fixedly connected with I-beams through the bolts, the I-beams are symmetrical about a central axis of the expansion joint, a bracket is arranged between the two I-beams and comprises two supporting plates which are arranged on the two I-beams, can horizontally move in opposite directions or in opposite directions and are symmetrical in structure, the two supporting plates are hinged with connecting rods, the two connecting rods are abutted and hinged, the lower ends of the two connecting rods are respectively provided with a guide rod, the side walls of the two I-beams are respectively provided with a limiting part, the guide rods are inserted into the limiting parts and can move up and down in the limiting parts, supporting plates are arranged above the two supporting plates, and. The invention has the advantages of reasonable structure, simple and convenient installation and maintenance, long service life, low cost and no obvious bumpiness when a vehicle passes through.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to an expansion joint covering device for a municipal bridge.
Background
Due to expansion caused by heat and contraction caused by changes of environmental temperature, expansion joints are arranged on the road surface of the bridge, so that the requirements that the bridge body can freely expand and contract, is firm and reliable, and has smooth running, no sudden jump and low noise when a vehicle runs are met; the expansion joint is to prevent rainwater and rubbish earth infiltration and block, and installation, inspection, maintenance, elimination filth all need simple and easy convenience.
And the most simple structure of expansion joint covering device that municipal administration bridge was used, stability is not enough, is rolled the back by the vehicle for a long time and easily leads to its condition such as sink, damage, makes its security lower, and the most elasticity of traditional expansion joint covering device is not enough, and the construction degree of difficulty is big, the cost is higher, maintenance difficulty, is difficult to adapt to the inflation and the shrink of bridge concrete, can't satisfy people's demand.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the expansion joint covering device for the municipal bridge, which has the advantages of reasonable structure, simple and convenient installation and maintenance, long service life, low manufacturing cost and no obvious bumpiness when a vehicle passes through.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an expansion joint covering device that municipal bridge used, includes precast concrete bridge, be equipped with the expansion joint between the concrete bridge, the expansion joint both sides the pre-buried piece has respectively been pre-buried in the concrete bridge, weld the bolt on the pre-buried piece, the pre-buried piece passes through the bolt links firmly with the I-steel, the I-steel is about the center pin symmetry of expansion joint, two the support that is equipped with between the I-steel, the support includes setting up two can be in opposite directions or back of the body horizontal migration and two layer boards of structural symmetry on the I-steel, two the layer board is close to one side of expansion joint all is articulated with the connecting rod, offsets between two the connecting rod and leans on and articulated, two connecting rod lower extremes all are equipped with vertical guide bar, two all be equipped with on the lateral wall that the I-steel is close to one side of expansion joint with the corresponding spacing portion of guide bar, the guide bar inserts in the spacing portion, And the lower part of the support plate is provided with a support plate, and an elastic pad is arranged above the support plate.
The expansion joint covering device for the municipal bridge is characterized in that the limiting part comprises two parallel vertical separation blades fixedly arranged on the side wall of the I-shaped steel, and the separation blades horizontally penetrate through the bolt assembly.
The expansion joint covering device for the municipal bridge is characterized in that the limiting part comprises a U-shaped baffle fixedly arranged on the side wall of the I-shaped steel, and the U-shaped baffle and the side wall of the I-shaped steel form an insertion hole.
The expansion joint covering device for the municipal bridge is characterized in that the embedded part is a steel plate.
The expansion joint covering device for the municipal bridge is characterized in that the embedded parts are welded with a reinforcement cage of the concrete bridge, and the embedded parts are embedded in the axial parallel direction of the expansion joint.
The expansion joint covering device for the municipal bridge is characterized in that a water guide groove is reserved on the elastic pad and the road surface of the concrete bridge, a dustproof water stopping groove is arranged below the water guide groove, and a waterproof coiled material is arranged in the dustproof water stopping groove.
The expansion joint covering device for the municipal bridge is characterized in that the elastic pad is flush with the pavement of the concrete bridge.
The expansion joint covering device for the municipal bridge is characterized in that the elastic pad is made of foamed rubber.
The expansion joint covering device for the municipal bridge is characterized in that a base plate is arranged between the concrete bridge and the I-shaped steel.
The expansion joint covering device for the municipal bridge is characterized in that a rubber mat is arranged between the concrete bridge and the base plate.
Compared with the prior art, the invention has the beneficial effects that: reasonable structure, simple and convenient installation and maintenance, long service life, low cost and no obvious bumpiness when a vehicle passes through.
The embedded part of the expansion joint covering device is fixedly connected with the I-steel through a bolt, a support is arranged between the I-steel, the support comprises two supporting plates on the I-steel, the two supporting plates are hinged with two connecting rods respectively, the two connecting rods are abutted and hinged, the lower ends of the two connecting rods are provided with guide rods, the two I-steel side walls are provided with limiting parts corresponding to the guide rods, the guide rods are inserted into the limiting parts and can move up and down in the limiting parts, the supporting plates can enable the upper acting force to be transmitted to the I-steel at the lower part, and the supporting plates can move in the opposite direction or in the opposite direction along with the expansion or contraction of the expansion joint, so that the supporting plates can not move up and down, the two connecting rods of the support are hinged, and the support.
Drawings
FIG. 1 is a schematic view of the present invention with the elastic pad and the support plate removed;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view A of FIG. 2;
FIG. 4 is a schematic view of a stent structure according to the present invention;
FIG. 5 is a schematic view of a first embodiment of a limiting portion;
fig. 6 is a schematic structural view of a limiting portion according to a second embodiment of the present invention.
Reference numerals: 1. a concrete bridge; 11. a water chute; 12. a dustproof water stop groove; 2. an expansion joint; 3. embedding parts; 4. a bolt; 5. i-shaped steel; 51. a limiting part; 52. a baffle plate; 53. a bolt assembly; 54. a U-shaped baffle; 55. a jack; 6. a support; 61. a support plate; 62. a connecting rod; 63. a guide rod; 7. a mounting plate; 8. an elastic pad; 9. a base plate; 10. a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a first embodiment of the present invention is as follows: an expansion joint covering device for municipal bridges comprises precast concrete bridges 1, expansion joints 2 are arranged between the concrete bridges 1, embedded parts 3 are embedded in the concrete bridges 1 at two sides of the expansion joints 2 respectively, bolts 4 are welded on the embedded parts 3, the embedded parts 3 are fixedly connected with I-beams 5 through the bolts 4, the I-beams 5 are symmetrical about the central axis of the expansion joints 2, a bracket 6 is arranged between the two I-beams 5, the bracket 6 comprises two support plates 61 which are arranged on the two I-beams 5, can move horizontally in opposite directions or in opposite directions and are symmetrical in structure, one sides of the two support plates 61 close to the expansion joints 2 are hinged with connecting rods 62, the two connecting rods 62 are abutted against and hinged, the lower ends of the two connecting rods 62 are provided with vertical guide rods 63, the side walls of the two I-beams 5 close to one sides of the expansion joints 2 are provided with limiting parts 51 corresponding to the guide rods 63, the guide rods 63 are inserted into the limiting parts 51 and can, support plate 7 is arranged above two supporting plates 61, and elastic pad 8 is arranged above support plate 7.
The limiting part 51 comprises two parallel vertical blocking pieces 52 fixedly arranged on the side wall of the I-shaped steel 5, and the blocking pieces 52 horizontally penetrate through a bolt component 53.
The embedded part 3 is preferably made of a steel plate.
The embedded parts 3 adopting steel plates are welded with a reinforcement cage of the concrete bridge 1, the embedded parts 3 are embedded in the expansion joint 2 in the axial parallel direction, a plurality of I-shaped steels 5 are correspondingly fixedly installed on two sides of the expansion joint 2, and the support plate 7 is supported by the I-shaped steels 5.
A water guide groove 11 is reserved on the elastic cushion 8 and the pavement of the concrete bridge 1, a dustproof water stop groove 12 is arranged below the water guide groove 11, and a waterproof coiled material is arranged in the dustproof water stop groove 12.
The elastic pad 8 is flush with the pavement of the concrete bridge 1, and the elastic pad 8 is preferably made of foamed rubber.
A backing plate 9 is arranged between the concrete bridge 1 and the I-shaped steel 5, a rubber pad 10 is arranged between the concrete bridge 1 and the backing plate 9, the rubber pad 10 can buffer acting force between rigid members, and the service life of the rigid members is prolonged.
As shown in fig. 6, the second embodiment of the present invention is different from the first embodiment in that the limiting portion 51 includes a U-shaped baffle 54 fixed to the side wall of the i-beam 5, the U-shaped baffle 54 and the side wall of the i-beam 5 form an insertion hole 55, and the guide rod 63 is inserted into the insertion hole 55.
The working principle of the invention is as follows: the embedded part 3 fixedly connects a rubber cushion 10, a backing plate 9 and I-beams 5 together through bolts 4, a support 6 is arranged between the two I-beams 5, support plates 61 of the support 6 are arranged on the I-beams 5, the two support plates 61 are also respectively hinged with two connecting rods 62, the two connecting rods 62 are abutted against and hinged with each other, the lower ends of the two connecting rods 62 are respectively provided with a vertical guide rod 63, the guide rods 63 are inserted into limiting parts 51 on the side walls of the I-beams, when the expansion joint 2 expands, the limiting parts 51 horizontally move back and forth along with the two I-beams 5, because the two connecting rods 62 are hinged, the support plates 61 and the connecting rods 62 are also hinged and the support plates 7 are pressed on the support plates 61, the guide rods 63 are driven to move upwards, the hinged axes of the two connecting rods 62 move upwards, and the two support plates 61; when the expansion joint 2 is contracted, the limiting part 51 moves horizontally along with the two I-beams 5 in the opposite direction, and the two connecting rods 62 are hinged, the supporting plate 61 and the connecting rods 62 are hinged, and the supporting plate 61 is pressed with the support plate 7, so that the guiding rod 63 is driven to move downwards, the hinged axes of the two connecting rods 62 move downwards, and the two supporting plates 61 move horizontally in the opposite direction.
No matter the expansion joint 2 expands or contracts, the supporting plate 61 does not generate vertical displacement, so that the expansion joint covering device is always kept flush with the pavement of the concrete bridge 1, the situation that the expansion joint covering device is higher or lower than the pavement of the precast concrete bridge 1 along with the change of the expansion joint 2 is avoided, the support 6 can also enable the upper acting force to be transmitted to the I-shaped steel 5, the two connecting rods 62 of the support 6 are hinged to facilitate the installation and the taking out of the support 6, the backing plate 9 arranged under the I-shaped steel 5 can enhance the connection firmness of the embedded part 3 and the I-shaped steel 5 and enable the stress of the I-shaped steel 5 to be more uniform, the rubber cushion 10 arranged between the backing plate 9 and the concrete bridge 1 can buffer the damage of the acting force to the rigid member and prolong the service life of the rigid member, the water guide groove 11 is reserved between the elastic cushion 8 and the pavement of the concrete bridge 1, the accumulated water, a dustproof water stop tank 12 is arranged below the water chute 11, and a waterproof coiled material is arranged in the dustproof water stop tank 12, so that water can be prevented from flowing into the expansion joint 2, and the expansion joint covering device is prevented from being corroded by water.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. An expansion joint covering device for municipal bridges comprises precast concrete bridges, and expansion joints are arranged between the concrete bridges, and is characterized in that embedded parts are embedded in the concrete bridges on two sides of the expansion joints respectively, bolts are welded on the embedded parts, the embedded parts are fixedly connected with I-shaped steels through the bolts, the I-shaped steels are symmetrical about the central axis of the expansion joint, a bracket is arranged between the two I-shaped steels, the bracket comprises two supporting plates which are arranged on the two I-shaped steels, can horizontally move in opposite directions or in opposite directions and are symmetrical in structure, one sides of the two supporting plates, which are close to the expansion joints, are hinged with connecting rods, the two connecting rods are abutted against and hinged with each other, vertical guide rods are arranged at the lower ends of the two connecting rods, and limiting parts corresponding to the guide rods are arranged on the side walls, which are close to one sides of the expansion joints, of the two, the guide rod is inserted into the limiting part and can move up and down in the limiting part, two bracket plates are arranged above the supporting plates, and elastic pads are arranged above the bracket plates.
2. The covering device for the expansion joint of the municipal bridge according to claim 1, wherein the limiting part comprises two parallel vertical blocking pieces fixedly arranged on the side wall of the I-shaped steel, and the blocking pieces horizontally penetrate through the bolt assembly.
3. The device for covering the expansion joint of the municipal bridge according to claim 1, wherein the limiting part comprises a U-shaped baffle fixed on the side wall of the I-shaped steel, and the U-shaped baffle and the side wall of the I-shaped steel form a jack.
4. An expansion joint covering device for municipal bridges according to claim 1, wherein the embedded parts are steel plates.
5. An expansion joint covering device for a municipal bridge according to claim 1 or 4, wherein the embedded part is welded to a reinforcement cage of the concrete bridge, and a plurality of embedded parts are embedded in the direction parallel to the axial direction of the expansion joint.
6. The covering device for the expansion joint of the municipal bridge according to claim 1, wherein a water chute is reserved between the elastic pad and the pavement of the concrete bridge, a dustproof water-stop groove is arranged below the water chute, and a waterproof coiled material is arranged in the dustproof water-stop groove.
7. An expansion joint covering device for municipal bridges according to claim 1, wherein the resilient pad is flush with the pavement of the concrete bridge.
8. An expansion joint covering device for municipal bridges according to claim 1, 6 or 7, wherein said elastic pad is made of foamed rubber.
9. An expansion joint covering device for municipal bridges according to claim 1, wherein a backing plate is provided between the concrete bridge and the i-steel.
10. An expansion joint covering device for municipal bridges according to claim 9, wherein a rubber pad is provided between the concrete bridge and the backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810653796.9A CN108867352B (en) | 2018-06-22 | 2018-06-22 | Expansion joint covering device for municipal bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810653796.9A CN108867352B (en) | 2018-06-22 | 2018-06-22 | Expansion joint covering device for municipal bridge |
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| Publication Number | Publication Date |
|---|---|
| CN108867352A CN108867352A (en) | 2018-11-23 |
| CN108867352B true CN108867352B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810653796.9A Active CN108867352B (en) | 2018-06-22 | 2018-06-22 | Expansion joint covering device for municipal bridge |
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| CN (1) | CN108867352B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972505B (en) * | 2019-04-30 | 2021-08-31 | 东北大学 | Public road bridge roof beam expansion joint device |
| CN112049265B (en) * | 2020-09-16 | 2021-12-24 | 湖北信德建设集团有限公司 | Assembled building external wall insulation device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3671165B2 (en) * | 2001-12-21 | 2005-07-13 | 利弘 中川 | Underground telescopic device for elevated road and its construction method |
| CN204703060U (en) * | 2015-03-30 | 2015-10-14 | 江西赣粤高速公路股份有限公司 | The Intelligent telescopic seam of built-in fiber grating sensor |
| CN205171356U (en) * | 2015-12-07 | 2016-04-20 | 王呈祥 | Improved generation road bridge expansion joint structure |
| CN105735122B (en) * | 2016-04-15 | 2017-12-01 | 南京众慧网络科技有限公司 | A kind of covering device for expansion joint of municipal bridge |
| CN207017149U (en) * | 2017-08-07 | 2018-02-16 | 江西省天强工程技术有限公司 | A kind of bridge extension joint of energy dust |
| CN107524083A (en) * | 2017-09-27 | 2017-12-29 | 南京极佳物联网科技有限公司 | A kind of bridge expanssion joint overlay device easy for installation |
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| CN108867352A (en) | 2018-11-23 |
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