CN111411578A - Bridge expansion joint anchoring device - Google Patents
Bridge expansion joint anchoring device Download PDFInfo
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- CN111411578A CN111411578A CN202010231542.5A CN202010231542A CN111411578A CN 111411578 A CN111411578 A CN 111411578A CN 202010231542 A CN202010231542 A CN 202010231542A CN 111411578 A CN111411578 A CN 111411578A
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- 238000004873 anchoring Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 24
- 230000008602 contraction Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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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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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge expansion joint anchoring device which comprises a bottom supporting mechanism, an anchoring mechanism, a middle supporting mechanism and a monitoring mechanism, wherein the bottom supporting mechanism comprises a first supporting spring, a bottom supporting plate and an inclined supporting plate, the anchoring mechanism comprises anchor rods which are uniformly distributed in two side walls of an expansion joint, the ball end of a connecting rod is connected with the anchor rods through a circular groove in the end part of the anchor rods, the second end of the connecting rod is connected with a connecting block, the middle supporting mechanism comprises a plurality of longitudinal supporting plates and connecting springs, the top supporting mechanism comprises L-shaped connecting plates, a rubber cover plate is arranged between L-shaped connecting plates, an arc-shaped supporting plate is arranged below the rubber cover plate, the monitoring mechanism comprises a touch switch arranged in the circular groove and a controller in communication connection with the touch switch, the monitoring mechanism can enable the anchoring device to be tightly connected with the bridge and the expansion joint, meanwhile, the separation of the anchoring device from the expansion joint caused by repeated expansion and contraction of the.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a bridge expansion joint anchoring device.
Background
A bridge expansion joint is an expansion joint that is usually provided between two beam ends, between a beam end and an abutment, or at a hinge point of a bridge, in order to meet the requirement of deformation of a bridge deck. 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; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient.
And the both sides of bridge expansion joint all need be connected through the expansion joint of anchor and bridge to strengthen the connection of bridge expansion joint and bridge, anchor itself also need bear the atress of a part bridge expansion joint, therefore anchor's structural strength needs the reinforcing, breaks away from with the expansion joint in order to avoid when the expansion joint is flexible repeatedly takes place to deform, and then influences the connection of expansion joint and bridge, causes the threat to the normal use of bridge.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is still another object of the present invention to provide an anchoring device for a bridge expansion joint, which not only can tightly connect the bridge and the expansion joint, but also can effectively prevent the separation of the anchoring device from the expansion joint due to the repeated expansion and contraction of the expansion joint, and can synchronously monitor the abnormal conditions of the anchoring device, so as to ensure the driving safety of the highway.
In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:
a bridge expansion joint anchoring device comprising:
the bottom support mechanism comprises a plurality of first support springs vertically arranged at the bottom of the expansion joint; the top of the first supporting spring is fixedly connected with a horizontally arranged bottom supporting plate with the width smaller than the width of the expansion joint; the two ends of the bottom supporting plate, which are positioned at the two side edges of the expansion joint, are respectively hinged with the top edge of the inclined supporting plate in a rotatable manner; the bottom edges of the inclined supporting plates extend obliquely downwards and are fixedly connected with the bottom edge of the expansion joint;
the anchoring mechanism comprises anchor rods which are uniformly distributed in two side walls of the expansion joint along the extension direction of the expansion joint; a circular groove which is sunken into the anchor rod is arranged in the end part of the anchor rod positioned on the surface of the expansion joint; the anchor rod is connected with a connecting rod, and the first end of the connecting rod is a ball end which is embedded in the circular groove and can rotate along the inner wall of the circular groove; the second end of the connecting rod is connected with a connecting block, the cross section of the connecting block is in an isosceles trapezoid shape, and the short side end of the connecting block faces the middle part of the expansion joint;
the middle supporting mechanism comprises a plurality of longitudinal supporting plates; the adjacent longitudinal supporting plates are connected through a connecting spring; the longitudinal supporting plates at the two ends are connected with the connecting block through the connecting springs;
the top supporting mechanism comprises L-shaped connecting plates fixedly connected with the positions, close to the top end of the expansion joint, of the side walls of the expansion joint respectively, the short edge ends of the L-shaped connecting plates are fixedly connected with the side walls of the expansion joint, the long edge ends of the L-shaped connecting plates extend in the horizontal direction and are flush with the top surface of the expansion joint, rubber cover plates are arranged between L-shaped connecting plates on the two side walls of the expansion joint, the surfaces of the rubber cover plates are flush with the top surface of the expansion joint, elastic arc-shaped supporting plates which are high in the middle and low in the two ends are arranged below the rubber cover plates, and the two ends of each arc-shaped supporting plate are fixedly;
the monitoring mechanism comprises a touch switch arranged in the circular groove and a controller in communication connection with the touch switch, the touch switch is embedded into the circular groove along with the ball end and closed, and the controller controls an alarm connected with the controller to give an alarm when the touch switch is disconnected.
Preferably, in the anchoring device for a bridge expansion joint, the inclined plane of the connecting block is an inclined plane adapted to the inclined angle of the inclined supporting plate when the first supporting spring is not subjected to an external force.
Preferably, in the anchoring device for a bridge expansion joint, a plurality of second supporting springs are uniformly arranged in the rubber cover plate.
Preferably, in the anchoring device for the bridge expansion joint, the bottom surface of the rubber cover plate is provided with an arc surface matched with the arc support plate.
Preferably, in the anchoring device for the bridge expansion joint, a serial number is arranged on the touch switch; the controller stores the information of the touch switches according to the serial number sequence; the controller triggers the alarm to send out different alarms according to the number of the disconnected touch switches:
when the number of the disconnected touch switches is less than 1/3 of the total number of the touch switches, the controller controls the alarm to send out a notification alarm, and sends the numbers of the disconnected touch switches to a user terminal connected with the controller;
when the number of the disconnected touch switches is greater than 1/3 of the total number of the touch switches and less than 2/3 of the total number of the touch switches, the controller controls the alarm to send out an early warning alarm, and sends the numbers of the disconnected touch switches to the user terminal connected with the controller; and
when the number of the opened touch switches is greater than 2/3 of the total number of the touch switches, the controller controls the alarm to continuously give out the danger alarm.
Preferably, the bridge expansion joint anchoring device further comprises a blocking mechanism arranged on any side wall of the expansion joint, the blocking mechanism comprises a driving motor arranged below the bottom surface of the expansion joint, a connecting plate connected with an output shaft of the driving motor, and a blocking rod arranged above the connecting plate, the connecting plate is arranged below the connecting rods, the blocking rods are vertically arranged in intervals between adjacent connecting rods, through holes corresponding to the blocking rods are arranged on the L-shaped connecting plate, the driving motor is connected to the controller, and the connecting plate is driven to drive the blocking rods to extend out of the bridge floor from the through holes when the alarm gives out a danger alarm.
Preferably, in the anchoring device for the bridge expansion joint, a warning lamp is arranged at the top end of the blocking rod.
The invention at least comprises the following beneficial effects:
according to the bridge expansion joint anchoring device, the round groove in the anchor rod is connected with the ball end of the connecting rod, so that the anchoring device can be connected and fastened with the expansion joint through the anchor rod, and meanwhile, the middle supporting mechanism, the top supporting mechanism and the like can move up and down along with longitudinal deformation of the expansion joint due to rotatable embedding of the ball end in the round groove of the anchor rod, so that the problem that the anchoring device is deformed due to extrusion is solved, and the bridge expansion joint anchoring device can adapt to expansion and contraction of the expansion joint in two directions which are parallel to and perpendicular to the axis of a bridge, and is firm and reliable.
Through the arrangement of the first support spring, the bottom support plate and the inclined support plate, the deformation of the expansion joint in the direction perpendicular to the axial direction of the bridge is adapted through the deformation of the first support spring; through the middle part supporting mechanism that longitudinal support board and connecting spring are constituteed for the expansion joint adapts to through connecting spring deformation in the deformation that is on a parallel with bridge axial direction, and longitudinal support board still supports bridge expansion joint anchor simultaneously, avoids expansion joint department to take place sunken, and then has guaranteed the ride-on of driving.
Through the top supporting mechanism who comprises L shape connecting plate, rubber apron and arc backup pad, L shape connecting plate can restrict the surface and the bridge floor parallel and level all the time of rubber apron, and the setting of arc backup pad and rubber apron can be guaranteed anchor device adapts to the expansion and contraction of the parallel or two directions of perpendicular to bridge axis of expansion joint.
Through the setting of monitoring mechanism for when anchor and bridge expansion joint department disconnection, the watch-dog can carry out real-time control through touch switch's state, and then sends the police dispatch newspaper, in order to do benefit to the staff in time right anchor restores to guarantee smooth-going and safety of driving a vehicle.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a side sectional view of the bridge expansion joint anchoring device provided in the present invention;
fig. 2 is a block diagram of the anchor rod and connecting rod provided by the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
As shown in fig. 1 and 2, a bridge expansion joint anchoring device includes: the bottom support mechanism comprises a plurality of first support springs 1 vertically arranged at the bottom of the expansion joint; the top of the first supporting spring 1 is fixedly connected with a horizontally arranged bottom supporting plate 2 with the width smaller than the width of the expansion joint; the two ends of the bottom supporting plate 2, which are positioned at the two side edges of the expansion joint, are respectively hinged with the top edge of the inclined supporting plate 3 in a rotatable manner; the bottom edges of the inclined supporting plates 3 extend obliquely downwards and are fixedly connected with the bottom edge of the expansion joint.
The anchoring mechanism comprises anchor rods 4 which are uniformly distributed in two side walls of the expansion joint along the extension direction of the expansion joint; a circular groove 5 which is sunken into the anchor rod 4 is arranged in the end part of the anchor rod 4 positioned on the surface of the expansion joint; the anchor rod 4 is connected with a connecting rod 6, and the first end of the connecting rod 6 is provided with a ball end 7 which is embedded in the circular groove 5 and can rotate along the inner wall of the circular groove 5; the second end of connecting rod 6 is connected the connecting block 8 that the transversal weak point of personally submitting held towards the isosceles trapezoid shape setting in expansion joint middle part.
A middle support mechanism comprising a plurality of longitudinal support plates 9; the adjacent longitudinal supporting plates 9 are connected through a connecting spring 10; the longitudinal support plates 9 at both ends are connected to the connecting block 8 by the connecting springs 10.
The top supporting mechanism comprises L-shaped connecting plates 11 which are fixedly connected with the positions, close to the top end of the expansion joint, of the side walls of the expansion joint respectively, the short-side ends of the L-shaped connecting plates 11 are fixedly connected with the side walls of the expansion joint, the long-side ends of the L-shaped connecting plates extend in the horizontal direction and are flush with the top surface of the expansion joint, a rubber cover plate 12 is arranged between the L-shaped connecting plates 11 on the two side walls of the expansion joint, the surface of the rubber cover plate 12 is flush with the top surface of the expansion joint, an elastic arc-shaped supporting plate 13 which is high in the middle and low in two ends is arranged below the rubber cover plate 12, and two ends of the arc-shaped supporting.
The monitoring mechanism comprises a touch switch 14 arranged in the circular groove 5 and a controller in communication connection with the touch switch 14, the touch switch 14 is closed along with the ball end embedded in the circular groove 5, and the controller controls an alarm connected with the controller to give an alarm when the touch switch 14 is disconnected.
In the scheme, the installation process of the bridge expansion joint anchoring device comprises the steps of arranging anchor rods in two side walls of an expansion joint, fixing a first supporting spring at the bottom of the expansion joint, installing a connected bottom supporting plate and an inclined supporting plate on the first supporting spring, fixedly connecting the end part of the inclined supporting plate with the bottom surface edge of the expansion joint, installing a touch switch in a circular groove of the anchor rods, embedding the ball end of a connecting rod into the spherical groove, connecting the other end of the connecting rod with a connecting block, placing the connected longitudinal supporting plate and the connecting spring into the expansion joint and connecting the longitudinal supporting plate with the connecting block, arranging an arc-shaped supporting plate on the longitudinal supporting plate, fixedly connecting two ends of the arc-shaped supporting plate with the top surface edge of the connecting block, placing a rubber cover plate on the arc-shaped supporting plate, and finally fixedly connecting the short side end and the side wall of the L-shaped supporting plate, and fixedly connecting.
The spherical end through circular recess and connecting rod on the stock is connected, not only can make anchor and expansion joint be connected the fastening through the stock, simultaneously because of the embedding of the rotatable formula of spherical end in the circular recess of stock, makes middle part supporting mechanism, top supporting mechanism etc. homoenergetic move from top to bottom along with the fore-and-aft deformation of expansion joint, and then have avoided anchor to receive the problem of extrusion deformation, make bridge expansion joint anchor can adapt to the expansion joint in the expansion and contraction of two directions of parallel, perpendicular to bridge axis, and is firm reliable.
Through the arrangement of the first support spring, the bottom support plate and the inclined support plate, the deformation of the expansion joint in the direction perpendicular to the axial direction of the bridge is adapted through the deformation of the first support spring; through the middle part supporting mechanism that longitudinal support board and connecting spring are constituteed for the expansion joint adapts to through connecting spring deformation in the deformation that is on a parallel with bridge axial direction, and longitudinal support board still supports bridge expansion joint anchor simultaneously, avoids expansion joint department to take place sunken, and then has guaranteed the ride-on of driving.
Through the top supporting mechanism who comprises L shape connecting plate, rubber apron and arc backup pad, L shape connecting plate can restrict the surface and the bridge floor parallel and level all the time of rubber apron, and the setting of arc backup pad and rubber apron can be guaranteed anchor device adapts to the expansion and contraction of the parallel or two directions of perpendicular to bridge axis of expansion joint.
Through the setting of monitoring mechanism for when anchor and bridge expansion joint department disconnection, the watch-dog can carry out real-time control through touch switch's state, and then sends the police dispatch newspaper, in order to do benefit to the staff in time right anchor restores to guarantee smooth-going and safety of driving a vehicle.
Not only can take place deformation along with the deformation at expansion joint through the setting of rubber apron, can improve the elasticity on expansion joint surface simultaneously, and then make the noise that forms in the reduction driving a vehicle.
In a preferable embodiment, the inclined surface of the connecting block 8 is an inclined surface adapted to the inclined angle of the inclined supporting plate 3 when the first supporting spring 1 is not subjected to an external force.
In the above scheme, through the inclined plane that sets up the connecting block for when not receiving external force with first supporting spring the inclined plane of slant backup pad's inclination adaptation for the slant backup pad can form the support to the connecting block, and then avoids the connecting block to take place the displacement when the expansion joint does not take place deformation, and can take place deformation at the expansion joint, makes the connecting block can reciprocate along with the angular variation of slant backup pad.
In a preferred embodiment, a plurality of second supporting springs 15 are uniformly arranged inside the rubber cover plate 12.
In the above scheme, the second supporting spring is arranged in the rubber cover plate, so that the strength of the rubber cover plate is enhanced by the second supporting spring, the damage caused by repeated driving on the rubber cover plate is reduced, and the service life of the anchoring device is prolonged.
In a preferable scheme, the bottom surface of the rubber cover plate 12 is set to be an arc surface matched with the arc support plate 13.
In the above scheme, the bottom surface through setting up rubber apron is the cambered surface with arc backup pad adaptation for the arc backup pad forms the support to rubber apron, and makes the arc backup pad can cooperate the deformation at rubber apron adaptation expansion joint.
In a preferred embodiment, a serial number is provided on the touch switch 14; the controller stores the information of the touch switches 14 according to the numbering sequence; the controller triggers the alarm to give different alarms according to the number of the touch switches 14 which are turned off:
when the number of the disconnected touch switches 14 is less than 1/3 of the total number of the touch switches 14, the controller controls the alarm to give a notification alarm, and sends the number of the disconnected touch switches 14 to a user terminal connected with the controller;
when the number of the disconnected touch switches 14 is greater than 1/3 of the total number of the touch switches and less than 2/3 of the total number of the touch switches 14, the controller controls the alarm to give out an early warning alarm and sends the numbers of the disconnected touch switches 14 to a user terminal connected with the controller; and
when the number of the opened touch switches 14 is greater than 2/3 of the total number of the touch switches 14, the controller controls the alarm to continuously give the danger alarm.
In the scheme, the serial numbers are arranged on the touch switches, and the controller controls the alarms to send different alarm information according to the number of the disconnected touch switches, so that related personnel can carry out different treatments according to the working state of the anchoring device.
In a preferable scheme, the expansion joint further comprises a blocking mechanism arranged on any side wall of the expansion joint, the blocking mechanism comprises a driving motor 16 arranged below the bottom surface of the expansion joint, a connecting plate 17 connected with an output shaft of the driving motor 16, and a blocking rod 18 arranged above the connecting plate 17, the connecting plate 17 is arranged below the connecting rods 6, the blocking rods 18 are vertically arranged in intervals between adjacent connecting rods 6, through holes corresponding to the positions of the blocking rods 18 are formed in the L-shaped connecting plate 11, the driving motor 16 is connected to the controller, and when the alarm gives out a danger alarm, the connecting plate 17 is driven to drive the blocking rods 18 to extend out of the bridge floor through the through holes.
In the above scheme, through the arrangement of the blocking mechanism, when the anchoring device is basically and completely damaged, the blocking rod can block bridge deck traffic at the expansion joint, and further danger caused by vehicle running is avoided.
In a preferred scheme, a warning lamp 19 is arranged at the top end of the blocking rod 18.
In the scheme, the warning lamp at the top end of the stopping rod is arranged, so that a good warning effect is achieved for a road driver, and the driving danger caused by vehicle collision to the stopping rod is avoided.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. A bridge expansion joint anchoring device, comprising:
the bottom support mechanism comprises a plurality of first support springs vertically arranged at the bottom of the expansion joint; the top of the first supporting spring is fixedly connected with a horizontally arranged bottom supporting plate with the width smaller than the width of the expansion joint; the two ends of the bottom supporting plate, which are positioned at the two side edges of the expansion joint, are respectively hinged with the top edge of the inclined supporting plate in a rotatable manner; the bottom edges of the inclined supporting plates extend obliquely downwards and are fixedly connected with the bottom edge of the expansion joint;
the anchoring mechanism comprises anchor rods which are uniformly distributed in two side walls of the expansion joint along the extension direction of the expansion joint; a circular groove which is sunken into the anchor rod is arranged in the end part of the anchor rod positioned on the surface of the expansion joint; the anchor rod is connected with a connecting rod, and the first end of the connecting rod is a ball end which is embedded in the circular groove and can rotate along the inner wall of the circular groove; the second end of the connecting rod is connected with a connecting block, the cross section of the connecting block is in an isosceles trapezoid shape, and the short side end of the connecting block faces the middle part of the expansion joint;
the middle supporting mechanism comprises a plurality of longitudinal supporting plates; the adjacent longitudinal supporting plates are connected through a connecting spring; the longitudinal supporting plates at the two ends are connected with the connecting block through the connecting springs;
the top supporting mechanism comprises L-shaped connecting plates fixedly connected with the positions, close to the top end of the expansion joint, of the side walls of the expansion joint respectively, the short edge ends of the L-shaped connecting plates are fixedly connected with the side walls of the expansion joint, the long edge ends of the L-shaped connecting plates extend in the horizontal direction and are flush with the top surface of the expansion joint, rubber cover plates are arranged between L-shaped connecting plates on the two side walls of the expansion joint, the surfaces of the rubber cover plates are flush with the top surface of the expansion joint, elastic arc-shaped supporting plates which are high in the middle and low in the two ends are arranged below the rubber cover plates, and the two ends of each arc-shaped supporting plate are fixedly;
the monitoring mechanism comprises a touch switch arranged in the circular groove and a controller in communication connection with the touch switch, the touch switch is embedded into the circular groove along with the ball end and closed, and the controller controls an alarm connected with the controller to give an alarm when the touch switch is disconnected.
2. The bridge expansion joint anchoring device of claim 1, wherein the inclined surface of the connection block is provided as an inclined surface adapted to an inclination angle of the inclined support plate when the first support spring is not subjected to an external force.
3. The bridge expansion joint anchoring device of claim 1, wherein a plurality of second supporting springs are uniformly arranged inside the rubber cover plate.
4. The bridge expansion joint anchoring device of claim 1, wherein the bottom surface of said rubber cover plate is provided as an arc surface fitted to said arc support plate.
5. The bridge expansion joint anchoring device of claim 1, wherein a number is provided on the touch switch; the controller stores the information of the touch switches according to the serial number sequence; the controller triggers the alarm to send out different alarms according to the number of the disconnected touch switches:
when the number of the disconnected touch switches is less than 1/3 of the total number of the touch switches, the controller controls the alarm to send out a notification alarm, and sends the numbers of the disconnected touch switches to a user terminal connected with the controller;
when the number of the disconnected touch switches is greater than 1/3 of the total number of the touch switches and less than 2/3 of the total number of the touch switches, the controller controls the alarm to send out an early warning alarm, and sends the numbers of the disconnected touch switches to the user terminal connected with the controller; and
when the number of the opened touch switches is greater than 2/3 of the total number of the touch switches, the controller controls the alarm to continuously give out the danger alarm.
6. The bridge expansion joint anchoring device of claim 5, further comprising a blocking mechanism disposed at any side wall of the expansion joint, wherein the blocking mechanism comprises a driving motor disposed below the bottom surface of the expansion joint, a connecting plate connected with an output shaft of the driving motor, and a blocking rod disposed above the connecting plate, the connecting plate is disposed below the connecting rods, the blocking rod is vertically disposed in a space between adjacent connecting rods, a through hole corresponding to the blocking rod is disposed on the L-shaped connecting plate, the driving motor is connected to the controller, and drives the connecting plate to drive the blocking rod to extend out of the bridge floor from the through hole when the alarm gives a danger alarm.
7. The highway slope anti-skid device according to claim 1, wherein a warning lamp is provided at the top end of the blocking bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231542.5A CN111411578B (en) | 2020-03-27 | 2020-03-27 | Bridge expansion joint anchoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231542.5A CN111411578B (en) | 2020-03-27 | 2020-03-27 | Bridge expansion joint anchoring device |
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| CN111411578A true CN111411578A (en) | 2020-07-14 |
| CN111411578B CN111411578B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010231542.5A Active CN111411578B (en) | 2020-03-27 | 2020-03-27 | Bridge expansion joint anchoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853958A (en) * | 2021-02-25 | 2021-05-28 | 青岛西海岸市政工程有限公司 | Municipal bridge expansion joint covering device convenient to installation |
| CN114319096A (en) * | 2022-01-27 | 2022-04-12 | 中铁二十局集团第四工程有限公司 | Bridge expansion joint structure |
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| CN208884348U (en) * | 2018-10-16 | 2019-05-21 | 赵玉磊 | A kind of bridge expanssion joint with pooling feature |
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| WO2002090661A1 (en) * | 2001-05-04 | 2002-11-14 | Seamus Michael Delvin | Bridge joint |
| WO2011126413A2 (en) * | 2011-01-31 | 2011-10-13 | Kozlachkov Sergey Waleriewich | The expansion joint |
| CN205421013U (en) * | 2016-03-22 | 2016-08-03 | 王新超 | Bridge expansion joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853958A (en) * | 2021-02-25 | 2021-05-28 | 青岛西海岸市政工程有限公司 | Municipal bridge expansion joint covering device convenient to installation |
| CN112853958B (en) * | 2021-02-25 | 2023-03-10 | 青岛西海岸市政工程有限公司 | Municipal bridge expansion joint covering device convenient to installation |
| CN114319096A (en) * | 2022-01-27 | 2022-04-12 | 中铁二十局集团第四工程有限公司 | Bridge expansion joint structure |
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| CN111411578B (en) | 2020-11-13 |
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