CN111576190A - Prevent integrative protection device of roof beam that falls - Google Patents
Prevent integrative protection device of roof beam that falls Download PDFInfo
- Publication number
- CN111576190A CN111576190A CN202010435525.3A CN202010435525A CN111576190A CN 111576190 A CN111576190 A CN 111576190A CN 202010435525 A CN202010435525 A CN 202010435525A CN 111576190 A CN111576190 A CN 111576190A
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- China
- Prior art keywords
- thick bamboo
- protection
- protection section
- cylinder
- sliding block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention relates to the technical field of bridges, and particularly discloses an anti-falling beam integrated protection device which comprises an anchoring plate, an energy-consumption buffering cylinder, a stretching chain, a flexible protection cylinder, a sliding block and a guide rail, wherein the anchoring plate is fixedly connected to one side of a pier, the anchoring plate is fixedly connected with a first hinging seat, the sliding block is fixedly connected with a second hinging seat, one end of the energy-consumption buffering cylinder is connected with the first hinging seat, the other end of the energy-consumption buffering cylinder is connected to the second hinging seat through the stretching chain, the guide rail is embedded at the bottom of a bridge, the sliding block is arranged in the guide rail in a sliding manner, and cushion blocks for positioning the sliding block are filled in the guide rail at two sides of the sliding block; when the device is used, the main structure of the anti-falling beam can be protected, the self anti-seismic performance of the anti-falling beam is not influenced, the service life of the device is ensured, and the occurrence of beam falling is prevented.
Description
Technical Field
The invention relates to the technical field of bridges, and particularly discloses an anti-falling beam integrated protection device.
Background
It can be seen from the strong destructive earthquake disasters of the past times that the phenomenon that the bridge body is damaged by the direct ground vibration force is very rare, but the phenomena of beam falling, main beam movement, distortion, cracks and the like caused by insufficient supporting length, failure of supporting connecting pieces and the like often occur, wherein the beam falling phenomenon is very serious. The anti-falling beam is a connecting measure construction method for resisting earthquake and preventing beam body from falling or disengaging in a bridge structure: the bridge comprises connecting rod devices arranged between adjacent beam bodies and/or between a bridge abutment and the beam bodies, at least one flexible connecting system is formed in the full-length direction of the bridge, and each connecting rod device is composed of a connecting rod and a damper.
In the existing measures, in order to prevent the beam body from falling, the anti-falling beam construction measures are mostly built at the initial stage of the beam body formation, the anti-falling beam is exposed outside the beam body and is easily polluted by concrete above or other falling impurities, so that the anti-falling beam is corroded, and the action effect is influenced.
Disclosure of Invention
The invention aims to provide the anti-falling beam integrated protection device, which can protect the main structure of the anti-falling beam without influencing the anti-seismic performance of the anti-falling beam, ensure the service life of the device and prevent the falling beam.
In order to achieve the purpose, the basic scheme of the invention is as follows:
an anti-falling beam integrated protection device comprises an anchoring plate, a buffering energy-consumption cylinder, a stretching chain, a flexible protection cylinder, a sliding block and a guide rail, wherein the anchoring plate is fixedly connected to one side of a pier, a first hinging seat is fixedly connected to the anchoring plate, a second hinging seat is fixedly connected to the sliding block, one end of the buffering energy-consumption cylinder is connected with the first hinging seat, the other end of the buffering energy-consumption cylinder is connected to the second hinging seat through the stretching chain, the guide rail is pre-embedded at the bottom of a bridge, the sliding block is arranged in the guide rail in a sliding manner, and cushion blocks for positioning the sliding block are filled in the guide rail at two sides of the sliding block; tensile chain is drawn circle lock joint in proper order by a plurality of rings and is formed, flexible protection section of thick bamboo includes a first protection section of thick bamboo and a second protection section of thick bamboo, a first protection section of thick bamboo sets up the outside of buffering power consumption section of thick bamboo, a second protection section of thick bamboo sets up the outside of tensile chain, a first protection section of thick bamboo one end with pier flexonics, the other end of a first protection section of thick bamboo is connected to the lower extreme of a second protection section of thick bamboo through the ripple sealed section of thick bamboo, the upper end of a second protection section of thick bamboo with slider flexonics, a first protection section of thick bamboo and a second protection section of thick bamboo are formed by a plurality of inner tubes and urceolus consecutive, the one end setting of inner tube be in the urceolus and with the urceolus pin joint, the locating hole has all been seted up on the inner tube of a second protection section of thick bamboo and the.
Further, buffering power consumption section of thick bamboo includes the casing and sets up power consumption pole in the casing, the casing is long cartridge type and its inside and has seted up a plurality of annulars along its axial, the one end opening of casing, power consumption pole is followed opening slidable ground sets up in the casing, correspond and be in power consumption pole's the outside has seted up a plurality of flanges along its axial, the outer wall of flange with the inner wall contact of annular, with the annular is corresponding to be in power consumption pole's the outside cover is equipped with the spring, the one end of spring with the terminal surface butt of flange, the other end of spring with the terminal surface butt of annular.
Further, be provided with the tensile device between a first protection section of thick bamboo and the second protection section of thick bamboo, the tensile device includes first locating plate, memory alloy splice bar and second locating plate, first locating plate and second locating plate respectively with a first protection section of thick bamboo and a second protection section of thick bamboo fixed connection, the memory alloy splice bar is three groups of triangle-arrangement, the both ends of memory alloy splice bar respectively with a first protection section of thick bamboo and a second protection section of thick bamboo fixed connection.
Further, the one end of first protection section of thick bamboo through first rubber pole with pier flexonics, the both ends of first rubber pole respectively with first protection section of thick bamboo and pier are articulated, the upper end of second protection section of thick bamboo through second rubber pole with slider flexonics, the both ends of second rubber pole respectively with second protection section of thick bamboo and slider are articulated.
Further, the ring-shaped pull ring is made of a memory alloy material and comprises a pull ring body, a first connecting plate and a second connecting plate, the pull ring body is in a circular ring shape in a surrounding mode, two ends of the pull ring body are fixedly connected with the first connecting plate and the second connecting plate respectively, and the first connecting plate and the second connecting plate are fixedly connected through bolts.
Further, the one end of inner tube through the pivot with the urceolus pin joint, the pivot is perpendicular to the side of bridge inwards, offer on the outer wall of urceolus and be used for the breach that abdicates when inner tube and urceolus rotate relatively.
Further, the guide rail comprises a rail body, the rail body is embedded in the bottom of the bridge, an embedding hole communicated with the rail body is formed in the side face of the bridge, and an extending plate used for vertically limiting the sliding block is arranged at the bottom of the rail body.
Further, the anchoring plate is embedded in the bridge pier, and anchoring nails are further arranged between the anchoring plate and the bridge pier.
The working principle and the beneficial effects of the scheme are as follows:
the invention discloses an anti-falling beam integrated protection device, which comprises an anchoring plate, a buffering energy consumption cylinder, a stretching chain, a flexible protection cylinder, a sliding block and a guide rail, wherein the anchoring plate is fixedly connected to one side of a pier and is fixedly connected with the pier, the sliding block is arranged in the guide rail in a sliding manner, and the position of the sliding block can be adjusted according to the expansion and contraction conditions of a beam body by arranging a cushion block, so that the tightness of the stretching chain is adjusted, and the whole device is constantly kept in an optimal working state in order to cope with the earthquake condition.
According to the invention, the first protection cylinder and the second protection cylinder are respectively formed by sequentially connecting a plurality of inner cylinders and outer cylinders, one end of each inner cylinder is arranged in the outer cylinder and is pivoted with the outer cylinder, positioning holes are respectively formed in the inner cylinder and the outer cylinder of the second protection cylinder, a positioning rod is arranged in each positioning hole and simultaneously penetrates through the annular pull ring, and a little rotating space can be formed between the inner cylinder and the outer cylinder, so that the first protection cylinder and the second protection cylinder can flexibly change according to a falling beam while protecting a beam falling prevention main body, the first protection cylinder and the second protection cylinder are prevented from being subjected to rigid damage when an earthquake occurs, the first protection cylinder and the second protection cylinder can be constantly protected on the outer side of the device, the service life of the device is prolonged, the first protection cylinder and the second protection cylinder can be repeatedly utilized, and.
Drawings
FIG. 1 is a cross-sectional view of a protective device according to the present embodiment;
FIG. 2 is a schematic structural diagram of the protection device of the present embodiment;
FIG. 3 is a schematic structural view of the annular pull ring of the present embodiment;
FIG. 4 is a schematic structural view of the outer cylinder;
FIG. 5 is a schematic view of a second positioning plate;
fig. 6 is a schematic view of the installation of the protection device of the present embodiment.
Reference numerals: the device comprises an anchor plate 1, a buffering energy consumption cylinder 2, a shell 21, an energy consumption rod 22, a ring groove 23, a flange 24, a spring 25, a tension chain 3, a pull ring body 31, a first connecting plate 32, a second connecting plate 33, a bolt 34, a flexible protection cylinder 4, a first connecting cylinder 41, a second connecting cylinder 42, a corrugated sealing cylinder 43, an inner cylinder 411, an outer cylinder 412, a slider 5, a guide rail 6, a first hinging seat 7, a second hinging seat 8, a cushion block 9, a positioning hole 10, a positioning rod 11, a tensile device 12, a first positioning plate 121, a memory alloy connecting rib 122, a second positioning plate 123, a first rubber rod 13, a second rubber rod 14, a pivot 15, a notch 16, a placing hole 17, an extension plate 18 and an anchor nail 19.
Detailed Description
The following is further detailed by way of specific embodiments:
in an embodiment, the anti-falling beam integrated protection device comprises an anchoring plate 1, an energy-dissipating buffer cylinder 2, a tensile chain 3, a flexible protection cylinder 4, a sliding block 5 and a guide rail 6, wherein the anchoring plate 1 is fixedly connected to one side of a pier, the anchoring plate 1 is fixedly connected with a first hinge seat 7, the sliding block 5 is fixedly connected with a second hinge seat 8, one end of the energy-dissipating buffer cylinder 2 is connected with the first hinge seat 7, the other end of the energy-dissipating buffer cylinder 2 is connected to the second hinge seat 8 through the tensile chain 3, the guide rail 6 is embedded at the bottom of a bridge, an open slot of the guide rail 6 faces to the lower part of the bottom of the bridge, the sliding block 5 is arranged in the guide rail 6 in a sliding manner, cushion blocks 9 for positioning the sliding block 5 are filled in the guide rail 6 at two sides of the sliding block 5, the cushion blocks 9 can be standard and have different lengths, and the height is the same as that of the, so that the sliding block and the sliding block 5 are matched with the guide rail 6 in a sliding way; the tensile chain 3 is formed by sequentially fastening a plurality of annular pull rings, the flexible protection cylinder 4 comprises a first protection cylinder and a second protection cylinder, the first protection cylinder is arranged on the outer side of the energy-consumption buffering cylinder 2, the second protection cylinder is arranged on the outer side of the tensile chain 3, one end of the first protection cylinder is flexibly connected with the pier, the other end of the first protection cylinder is connected to the lower end of the second protection cylinder through a corrugated sealing cylinder 43, the upper end of the second protection cylinder is flexibly connected with the sliding block 5, the first protection cylinder and the second protection cylinder are formed by sequentially connecting a plurality of inner cylinders 411 and outer cylinders 412, taking the first protection cylinder as an example, one end of the inner cylinder 411 is arranged in the outer cylinder 412 and is pivoted with the outer cylinder 412, positioning holes 10 are formed in the inner cylinder 411 and the outer cylinder 412 of the second protection cylinder, and a positioning rod 11 is arranged in the positioning hole 10, the positioning rod 11 simultaneously passes through the annular pull ring.
The invention discloses an anti-falling beam integrated protection device, which comprises an anchoring plate 1, a buffering energy consumption cylinder 2, a stretching chain 3, a flexible protection cylinder 4, a sliding block 5 and a guide rail 6, wherein the anchoring plate 1 is fixedly connected to one side of a pier and is used for being fixedly connected with the pier, the sliding block 5 is arranged in the guide rail 6 in a sliding mode, and the position of the sliding block 5 can be adjusted according to the expansion and contraction conditions of a beam body due to heat by arranging a cushion block 9, so that the tightness condition of the stretching chain 3 is adjusted, and the whole device is kept in the best working state at any time in order to cope with the earthquake condition.
According to the invention, the first protection cylinder and the second protection cylinder are respectively formed by sequentially connecting a plurality of inner cylinders 411 and outer cylinders 412, one end of each inner cylinder 411 is arranged in the outer cylinder 412 and is pivoted with the outer cylinder 412, positioning holes 10 are respectively formed in the inner cylinders 411 and the outer cylinders 412 of the second protection cylinder, a positioning rod 11 is arranged in each positioning hole 10, the positioning rod 11 simultaneously penetrates through the annular pull ring, and a little rotating space can be formed between the inner cylinders 411 and the outer cylinders 412, so that the first protection cylinder and the second protection cylinder can flexibly change according to a falling beam while protecting a beam falling prevention main body, the first protection cylinder and the second protection cylinder are prevented from being rigidly damaged when an earthquake occurs, the first protection cylinder and the second protection cylinder can be constantly protected on the outer side of the device, the service life of the device is prolonged, the device can be repeatedly used, and the cost is reduced.
In this embodiment, the energy-dissipating buffer barrel 2 includes a housing 21 and an energy-dissipating rod 22 disposed in the housing 21, the housing 21 is in a long barrel shape and has a plurality of annular grooves 23 formed therein along an axial direction thereof, one end of the housing 21 is open, the energy-dissipating rod 22 is slidably disposed in the housing 21 through the opening, a plurality of flanges 24 are formed on an outer side of the energy-dissipating rod 22 along the axial direction thereof, the flanges 24 are circular, an outer wall of the flange 24 contacts with an inner wall of the annular groove 23, when the energy-dissipating rod 22 and the housing 21 slide relative to each other, energy dissipation is achieved by friction between the flange 24 and a peripheral wall of the annular groove 23, the annular groove 23 is sleeved with a spring 25 on an outer side of the energy-dissipating rod 22, one end of the spring 25 abuts against an end surface of the flange 24, and the other end of the spring 25 abuts against an end surface of the annular, when the displacement occurs, the spring 25 can also play a certain role in buffering, so as to prevent the shell 21 or the flange 24 from being damaged due to hard impact, and the spring 25 can also enable the energy consumption rod 22 to return to the original state when the displacement is small.
In this embodiment, be provided with tensile device 12 between first protection section of thick bamboo and the second protection section of thick bamboo, tensile device 12 includes first locating plate 121, memory alloy splice bar 122 and second locating plate 123, first locating plate 121 and second locating plate 123 respectively with first protection section of thick bamboo and second protection section of thick bamboo fixed connection, memory alloy splice bar 122 is three groups of triangle-arrangement, through setting up three groups of memory alloy splice bars 122, makes its intensity higher, and memory alloy splice bar 122 has certain memory recovery effect, and when it received the drawing, can realize consuming energy, the both ends of memory alloy splice bar 122 respectively with first protection section of thick bamboo and second protection section of thick bamboo fixed connection.
In this embodiment, the one end of first protection section of thick bamboo pass through first rubber pole 13 with pier flexonics, the both ends of first rubber pole 13 respectively with first protection section of thick bamboo and pier are articulated, the upper end of second protection section of thick bamboo pass through second rubber pole 14 with slider 5 flexonics, the both ends of second rubber pole 14 respectively with second protection section of thick bamboo and slider 5 are articulated, through flexonics for first protection section of thick bamboo or second protection section of thick bamboo respectively with pier or slider 5 flexonics to adapt to its position change.
In this embodiment, the ring-shaped pull ring is made of memory alloy material, including pulling ring body 31, first connecting plate 32 and second connecting plate 33, pull ring body 31 self and encircle and be the ring form, the both ends of pulling ring body 31 respectively with first connecting plate 32 and second connecting plate 33 fixed connection, through bolt 34 fixed connection between first connecting plate 32 and the second connecting plate 33, pull the ring through lock ring in proper order, form complete tensile chain 3 for tensile chain 3 also has certain power consumption ability, has promoted the power consumption effect of whole device, and when the earthquake takes place, the displacement share of the roof beam body drives each pull ring body 31 pulling deformation, and each pull ring body 31 warp and consumes energy, thereby the emergence of comprehensive power consumption prevention roof beam that falls.
In this embodiment, one end of the inner cylinder 411 is pivotally connected to the outer cylinder 412 through a pivot 15, the pivot 15 is perpendicular to and faces inward from the side of the bridge, and a notch 16 for yielding when the inner cylinder 411 and the outer cylinder 412 rotate relatively is formed in the outer wall of the outer cylinder 412, so as to prevent interference between the inner cylinder 411 and the outer cylinder 412.
In this embodiment, the guide rail 6 includes the track body, the track body is pre-buried in the bottom of bridge, the side of bridge seted up with the hole 17 of putting into of track body intercommunication, the bottom of track body is seted up and is used for the vertical spacing extension board 18 of slider 5. The anchoring plate 1 is pre-buried in the pier, and an anchoring nail 19 is further arranged between the anchoring plate 1 and the pier.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (8)
1. The utility model provides an prevent integrative protection device of roof beam that falls which characterized in that: the energy-saving bridge comprises an anchoring plate, an energy-dissipating buffer cylinder, a stretching chain, a flexible protection cylinder, a sliding block and a guide rail, wherein the anchoring plate is fixedly connected to one side of a bridge pier, a first hinge seat is fixedly connected to the anchoring plate, a second hinge seat is fixedly connected to the sliding block, one end of the energy-dissipating buffer cylinder is connected with the first hinge seat, the other end of the energy-dissipating buffer cylinder is connected to the second hinge seat through the stretching chain, the guide rail is embedded at the bottom of a bridge in advance, the sliding block is arranged in the guide rail in a sliding manner, and cushion blocks for positioning the sliding block are filled in the guide rail and positioned at two sides of the sliding; tensile chain is drawn circle lock joint in proper order by a plurality of rings and is formed, flexible protection section of thick bamboo includes a first protection section of thick bamboo and a second protection section of thick bamboo, a first protection section of thick bamboo sets up the outside of buffering power consumption section of thick bamboo, a second protection section of thick bamboo sets up the outside of tensile chain, a first protection section of thick bamboo one end with pier flexonics, the other end of a first protection section of thick bamboo is connected to the lower extreme of a second protection section of thick bamboo through the ripple sealed section of thick bamboo, the upper end of a second protection section of thick bamboo with slider flexonics, a first protection section of thick bamboo and a second protection section of thick bamboo are formed by a plurality of inner tubes and urceolus consecutive, the one end setting of inner tube be in the urceolus and with the urceolus pin joint, the locating hole has all been seted up on the inner tube of a second protection section of thick bamboo and the.
2. The integrated beam falling prevention protection device according to claim 1, characterized in that: buffering power consumption section of thick bamboo includes the casing and sets up power consumption pole in the casing, the casing is long cartridge type and its inside and has seted up a plurality of annuluses along its axial, the one end opening of casing, power consumption pole is followed opening slidable ground sets up in the casing, correspond a plurality of flanges have been seted up along its axial in the outside of power consumption pole, the outer wall of flange with the inner wall contact of annular, with the annular is corresponding to be in the outside cover of power consumption pole is equipped with the spring, the one end of spring with the terminal surface butt of flange, the other end of spring with the terminal surface butt of annular.
3. The integrated beam falling prevention protection device according to claim 1, characterized in that: be provided with the tensile device between first protection section of thick bamboo and the second protection section of thick bamboo, the tensile device includes first locating plate, memory alloy splice bar and second locating plate, first locating plate and second locating plate respectively with first protection section of thick bamboo and second protection section of thick bamboo fixed connection, the memory alloy splice bar is three groups of that the triangle was arranged, the both ends of memory alloy splice bar respectively with first protection section of thick bamboo and second protection section of thick bamboo fixed connection.
4. The integrated beam falling prevention protection device according to claim 1, characterized in that: one end of the first protection cylinder is flexibly connected with the pier through a first rubber rod, two ends of the first rubber rod are hinged to the first protection cylinder and the pier respectively, the upper end of the second protection cylinder is flexibly connected with the sliding block through a second rubber rod, and two ends of the second rubber rod are hinged to the second protection cylinder and the sliding block respectively.
5. The integrated beam falling prevention protection device according to claim 1, characterized in that: the ring-shaped pull ring is made of a memory alloy material and comprises a pull ring body, a first connecting plate and a second connecting plate, wherein the pull ring body is in a circular ring shape in a surrounding mode, two ends of the pull ring body are fixedly connected with the first connecting plate and the second connecting plate respectively, and the first connecting plate and the second connecting plate are fixedly connected through bolts.
6. The integrated beam falling prevention protection device according to claim 1, characterized in that: one end of the inner barrel is pivoted with the outer barrel through a pivot, the pivot is perpendicular to the side face of the bridge and faces inwards, and a notch used for yielding when the inner barrel rotates relative to the outer barrel is formed in the outer wall of the outer barrel.
7. The integrated beam falling prevention protection device according to claim 1, characterized in that: the guide rail comprises a rail body, the rail body is embedded in the bottom of the bridge in a pre-buried mode, an embedding hole communicated with the rail body is formed in the side face of the bridge, and an extending plate used for vertically limiting the sliding block is arranged at the bottom of the rail body.
8. The integrated beam falling prevention protection device according to claim 1, characterized in that: the anchor plate is embedded in the pier, and anchor nails are further arranged between the anchor plate and the pier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010435525.3A CN111576190A (en) | 2020-05-21 | 2020-05-21 | Prevent integrative protection device of roof beam that falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010435525.3A CN111576190A (en) | 2020-05-21 | 2020-05-21 | Prevent integrative protection device of roof beam that falls |
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| Publication Number | Publication Date |
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| CN111576190A true CN111576190A (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010435525.3A Pending CN111576190A (en) | 2020-05-21 | 2020-05-21 | Prevent integrative protection device of roof beam that falls |
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| Country | Link |
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| CN (1) | CN111576190A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523070A (en) * | 2020-12-16 | 2021-03-19 | 重庆交通大学 | Public road bridge roof beam stop device that falls is prevented to bridge |
| CN113356023A (en) * | 2021-05-27 | 2021-09-07 | 中冶华成(武汉)工程有限公司 | Combined anti-seismic connecting structure for bridge construction |
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| CN209369048U (en) * | 2019-01-07 | 2019-09-10 | 深圳市联合创艺建筑设计有限公司 | A kind of connector structure of connected buildings |
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| JP5638981B2 (en) * | 2011-02-25 | 2014-12-10 | 株式会社横河ブリッジ | Fall-bridge prevention device and fall-bridge prevention structure |
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| CN112523070A (en) * | 2020-12-16 | 2021-03-19 | 重庆交通大学 | Public road bridge roof beam stop device that falls is prevented to bridge |
| CN113356023A (en) * | 2021-05-27 | 2021-09-07 | 中冶华成(武汉)工程有限公司 | Combined anti-seismic connecting structure for bridge construction |
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Application publication date: 20200825 |