CN208250893U - A kind of device of rapid build large span lightweight emergency bridge - Google Patents
A kind of device of rapid build large span lightweight emergency bridge Download PDFInfo
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- CN208250893U CN208250893U CN201721306889.1U CN201721306889U CN208250893U CN 208250893 U CN208250893 U CN 208250893U CN 201721306889 U CN201721306889 U CN 201721306889U CN 208250893 U CN208250893 U CN 208250893U
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Abstract
A kind of device of rapid build large span lightweight emergency bridge provided by the utility model, including auxiliary nose-girder, weight and driving means；The auxiliary nose-girder is composite material nose girder；The weight includes the rectangular steelframe of bottom opening, one group of steel sheet pile, one group of wirerope and one group of idler wheel；The driving means includes driving motor and one group of pulley, and the driving motor is connect with idler wheel, and one group of pulley is fixed on the girder bottom of auxiliary nose-girder and/or emergency bridge.The utility model additionally provides a kind of method of rapid build large span lightweight emergency bridge.The apparatus structure is simple, convenient transportation, assembled simple and direct, sets up fast and reliable, sets up composite truss bridge using the place that it is inconvenient that the device may be implemented in narrow space, transport.
Description
Technical field
The utility model belongs to bridge apparatus field, in particular to a kind of to be suitable for rapid build large span when rescue and relief work
The device of lightweight emergency bridge, a kind of method for further relating to rapid build large span lightweight emergency bridge.
Background technique
With the rapid development of economy, the road and bridge industry in China achieves huge advance.Bridge is as economic development
Important carrier, strength and stability is particularly important.In recent years, China some areas earthquake disaster frequently occurs, many bridges
Beam, by more serious destruction, not only brings huge property loss under geological process, the life security of the people also by
Threat is arrived.After earthquake disaster occurs, road is caused to be buried for strong seismic wave or collapsing depression, bridge tunnel are damaged, friendship
It is logical to block.It at this moment is exactly that a large amount of personnel need to evacuate, noneffectives need to give treatment to transfer, and substance equipment needs allocation and transportation and rescues to speedily carrying out rescue work
As soon as helping the crucial moment of line, extremely important and urgent is shown to logical speedily carry out rescue work of robbing of road.However, existing truss-type bridges weight is big,
It is inconvenient to set up, and after shaking mountain area set up space it is narrow, can only single bank erection be difficult to set up existing truss-type bridges.
Road and bridge ensures that weight, the mobility of instrument are all important guarantee parameter index, composite truss bridge tool
Have the characteristics that intensity is high, light-weight, quick detachable, therefore using the truss-type bridges of composite material preparation, composite material can be given full play to
The advantage of high-strength light can better meet mountainous region narrow zone as application background, to ensure that emergency when earthquake relief work is handed over
Logical demand.However, setting up emergency bridge after shake also has more difficulty, it is typically only capable to set up from one end, in order to avoid toppling,
The modes such as sand hill ballast, vehicle ballast must be generallyd use in end ballast, in this manner, bridge bottom is also necessary
It is pushed on road surface；However, the modes such as pushing directly on using sand hill ballast, vehicle ballast, ground easily causes composite wood bridge
Beam damage.
Utility model content
Technical problem: in order to solve the defects of prior art, when the utility model provides one kind suitable for rescue and relief work
The device of rapid build large span lightweight emergency bridge additionally provides a kind of rapid build large span lightweight emergency bridge
Method can be realized safety, quick erection truss bridge using the device under relatively blunt execution conditions.
Technical solution: a kind of device of rapid build large span lightweight emergency bridge provided by the utility model, including
Auxiliary nose-girder, weight and driving means；
The auxiliary nose-girder is composite material nose girder, is made of several modularization triangle trusses units；
The weight includes the rectangular steelframe of bottom opening, one group of steel sheet pile, one group of wirerope and one group of idler wheel；Institute
One group of steel sheet pile is stated to be individually fixed in the ground on the outside of rectangular steelframe；The top of described one group of wirerope one end and rectangular steelframe
Connection, the other end are connect with steel sheet pile；The idler wheel is fixed in the top inner wall of rectangular steelframe, i.e., the described idler wheel side of being fixed on
On the crossbeam inner wall at the top of shaped steel frame；
The driving means includes driving motor and one group of pulley, and the driving motor is connect with idler wheel, one group of cunning
Wheel is fixed on the girder bottom of auxiliary nose-girder and/or emergency bridge.It ensure that the arrival pair of nose girder front end by the way that weight is arranged
Before bank, keeping entire push structure includes the balance of spanning girder and auxiliary nose-girder, is not toppled.
As an improvement, the auxiliary nose-girder is made of one group of sequentially connected triangular prism；The each edge of each triangular prism is equal
For composite bar or aluminium alloy rod, a pair of of composite material or aluminium alloy diagonal web member are additionally provided with inside each triangular prism；Composite wood
Expect that the end of bar or aluminium alloy rod is connected using common metal connector.
The utility model additionally provides a kind of method of rapid build large span lightweight emergency bridge, it is characterised in that:
Using above-mentioned apparatus, set up using cantilever push method, comprising the following steps:
(1) weight is fixed on wait near the position that builds a bridge: rectangular steelframe bottom, one group of steel sheet pile is solid respectively
In wait the ground near the position that builds a bridge, one group of wirerope one end is connect with the top of rectangular steelframe, the other end with
Steel sheet pile connection；
(2) pulley is fixed on to the girder bottom of auxiliary nose-girder and/or emergency bridge；
(3) one end of auxiliary nose-girder is connect with one end of emergency bridge girder to be set up；
(4) girder of auxiliary nose-girder and emergency bridge is passed through into weight, makes the girder top surface of idler wheel and emergency bridge
It is in close contact；
(5) girder of auxiliary nose-girder and emergency bridge is pushed using driving motor, make auxiliary nose-girder and emergency bridge according to
The secondary ground for reaching opposite to be built a bridge, fixed emergency bridge, dismantles auxiliary nose-girder.
Wherein, in step (3), pass through single ears connection between the auxiliary nose-girder and emergency bridge.
The utility model has the advantages that apparatus structure provided by the utility model is simple, convenient transportation, assembled simple and direct, set up it is fast and reliable,
It may be implemented in narrow space using the device, the place of transport inconvenience sets up composite truss bridge.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of auxiliary nose-girder；
Fig. 2 is the side view of auxiliary nose-girder；
Fig. 3 is the top view of auxiliary nose-girder；
Fig. 4 is the usage state diagram of auxiliary nose-girder；
Fig. 5 is the structural schematic diagram of weight and driving means；
Fig. 6 is the side view of weight；
Fig. 7 is the process status figure one of rapid build large span lightweight emergency bridge；
Fig. 8 is the process status figure two of rapid build large span lightweight emergency bridge；
Fig. 9 is the process status figure three of rapid build large span lightweight emergency bridge；
Figure 10 is the process status figure four of rapid build large span lightweight emergency bridge.
Specific embodiment
The device and method of the utility model rapid build large span lightweight emergency bridge are made furtherly below
It is bright.
The device of rapid build large span lightweight emergency bridge, including auxiliary nose-girder 1, weight 2 and driving means
3；
Auxiliary nose-girder 1 is composite material nose girder；Auxiliary nose-girder 1 is shown in Fig. 1 to 4, by one group of sequentially connected triangular prism group
At；The each edge of each triangular prism is composite bar or aluminium alloy rod, and a pair of of composite wood is additionally provided with inside each triangular prism
Expect diagonal web member or aluminium alloy diagonal web member；The end of composite bar or aluminium alloy rod is connected using common metal connector.
Main beam structure is in double inverted triangle box truss patterns, is spliced by multiple single bridge sections.Each bar connects in main gantry
It connects mode all and is after assembling all FRP rod pieces end and span centre node location with pretightning force tooth interconnection technique, then using weldering
Node plate structure is connect to be attached；Between the single double tracks of bridge section other than winding up and connecting the sway bracing of floorings, also
Lower edge is located at the transverse direction of pretightning force tooth joint location and oblique connection is, lower edge connection system is attached using single ears,
It is to be attached using single ears of lower boom and the jacking block for the floorings that wind up between each modularization bridge section.The composite material
Truss-type bridges can adjust bridge section number according to actual needs, and the method by breaking the whole up into parts has unique in transport and erection
After advantage, especially increase beam-string structure, it is suitable for requiring the application in region compared with large span.
Weight 2 is shown in Fig. 5 to 6,21, one groups of rectangular steelframe, 22, one groups of the steel sheet pile wirerope 23 including bottom opening
With one group of idler wheel 24；One group of steel sheet pile 22 is individually fixed in the ground in rectangular 21 outside of steelframe；One group of 23 one end of wirerope with
The top of rectangular steelframe 21 connects, and the other end is connect with steel sheet pile 22；Idler wheel 24 is fixed on the top cross-bar of rectangular steelframe 21
On inner wall；
Driving means 3 is shown in that Fig. 5, including driving motor 31 and one group of pulley 32, driving motor 31 are connect with idler wheel 24, one
Group pulley 32 is fixed on the girder bottom of auxiliary nose-girder 1 and/or emergency bridge.
Rapid build large span lightweight emergency bridge is set up using cantilever push method using above-mentioned apparatus, sees Fig. 7 extremely
10, comprising the following steps:
(1) weight 2 is fixed on wait near the position that builds a bridge: by rectangular 21 bottom of steelframe, one group of steel sheet pile 22
It is individually fixed in wait which in the ground near the position that builds a bridge, one group of 23 one end of wirerope and the top of rectangular steelframe 21 are connected
It connects, the other end is connect with steel sheet pile 22；
(2) pulley 32 is fixed on to the girder bottom of auxiliary nose-girder 1 and/or emergency bridge；
(3) one end of auxiliary nose-girder 1 is connect with one end of emergency bridge girder to be set up；
(4) girder of auxiliary nose-girder 1 and emergency bridge is passed through into weight 2, makes the girder of idler wheel 24 Yu emergency bridge
Top surface be in close contact；
(5) it is pushed using girder of the driving motor 31 to auxiliary nose-girder 1 and emergency bridge, makes auxiliary nose-girder 1 and emergency bridge
Beam successively reaches the ground on opposite to be built a bridge, and fixed emergency bridge dismantles auxiliary nose-girder 1.
Wherein, in step 3, pass through single ears connection between auxiliary nose-girder 1 and emergency bridge.
Claims (2)
1. a kind of device of rapid build large span lightweight emergency bridge, it is characterised in that: including auxiliary nose-girder (1), ballast
Device (2) and driving means (3)；
The auxiliary nose-girder (1) is composite material nose girder；
The weight (2) include the rectangular steelframe (21) of bottom opening, one group of steel sheet pile (22), one group of wirerope (23) and
One group of idler wheel (24)；One group of steel sheet pile (22) is individually fixed in the ground on the outside of rectangular steelframe (21)；One group of steel
Cord (23) one end is connect with the top of rectangular steelframe (21), and the other end is connect with steel sheet pile (22)；The idler wheel (24) is fixed
In in the top inner wall of rectangular steelframe (21)；
The driving means (3) includes driving motor (31) and one group of pulley (32), the driving motor (31) and idler wheel (24)
Connection, one group of pulley (32) are fixed on the girder bottom of auxiliary nose-girder (1) and/or emergency bridge.
2. a kind of device of rapid build large span lightweight emergency bridge according to claim 1, it is characterised in that:
The auxiliary nose-girder (1) is made of one group of sequentially connected triangular prism；The each edge of each triangular prism is composite material
Bar or aluminium alloy rod are additionally provided with a pair of of composite material diagonal web member or aluminium alloy diagonal web member inside each triangular prism；Composite bar
Or the end of aluminium alloy rod is connected using metal connecting piece.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720846401 | 2017-07-12 | ||
| CN2017208464018 | 2017-07-12 |
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| Publication Number | Publication Date |
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| CN208250893U true CN208250893U (en) | 2018-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761543A (en) * | 2017-07-12 | 2018-03-06 | 赵启林 | A kind of apparatus and method of rapid build large span lightweight emergency bridge |
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- 2017-10-11 CN CN201721306889.1U patent/CN208250893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761543A (en) * | 2017-07-12 | 2018-03-06 | 赵启林 | A kind of apparatus and method of rapid build large span lightweight emergency bridge |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Jian Inventor after: Li Fei Inventor after: Tao Jie Inventor after: Ma Sen Inventor after: Zeng Zhigang Inventor after: Zhang Hongjian Inventor after: Pan Darong Inventor after: Chen Li Inventor after: Li Hongwei Inventor after: Wang Xiaoliang Inventor after: Zhao Dong Inventor after: Chen Haosen Inventor before: Sun Jian Inventor before: Chen Haosen Inventor before: Li Fei Inventor before: Gao Yifeng Inventor before: Tao Jie Inventor before: Ma Sen Inventor before: Zhang Dongdong Inventor before: Zeng Zhigang Inventor before: Zhang Hongjian Inventor before: Pan Darong Inventor before: Chen Li Inventor before: Li Hongwei Inventor before: Wang Xiaoliang Inventor before: Zhao Dong |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210918 Address after: 210007 room 703, building 15, No. 100, houbiaoying Road, Qinhuai District, Nanjing, Jiangsu Province Patentee after: Zhao Qilin Patentee after: INSTITUTE OF ENGINEERING DESIGN, CHINESE PEOPLE'S ARMED POLICE FORCE Address before: 210000 No.1 Haifu lane, Guanghua Road, Qinhuai District, Nanjing City, Jiangsu Province Patentee before: Zhao Qilin Patentee before: Zhang Dongdong Patentee before: INSTITUTE OF ENGINEERING DESIGN, CHINESE PEOPLE'S ARMED POLICE FORCE |