CN105735103A - Portable quick installation can dismantle bridge on foot - Google Patents
Portable quick installation can dismantle bridge on foot Download PDFInfo
- Publication number
- CN105735103A CN105735103A CN201610259382.9A CN201610259382A CN105735103A CN 105735103 A CN105735103 A CN 105735103A CN 201610259382 A CN201610259382 A CN 201610259382A CN 105735103 A CN105735103 A CN 105735103A
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- bridge
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- cable
- fast installation
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- 238000009434 installation Methods 0.000 title claims description 20
- 238000009408 flooring Methods 0.000 claims description 21
- 238000004873 anchoring Methods 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/124—Folding or telescopic bridges; Bridges built up from folding or telescopic sections
-
- 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
- E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
-
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- 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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a portable quickly-installed detachable hiking bridge, which comprises two towers, two pairs of combined anchor piles and a folding bridge deck, wherein the two towers are vertically embedded in foundations on two sides of a river channel respectively, the two towers are arranged in parallel and are mutually parallel, one side of each tower, which is far away from the river channel, is embedded with a pair of combined anchor piles corresponding to the two towers, two main cables which are mutually parallel are arranged between the two towers, two ends of each main cable are respectively connected with the tops of the two corresponding towers, the folding bridge deck is transversely arranged between the two towers and is positioned below the two main cables, two ends of each folding bridge deck are fixed on the foundations on two sides of the river channel through the anchor piles, two sides of the folding bridge deck, which are opposite to the length direction, are respectively connected with one main cable above the folding bridge deck through a plurality of slings, and each pair of combined anchor piles. The advantages are that: simple structure, easy dismounting erects comparatively swiftly, and the quality is light, portable, and the practicality is stronger.
Description
Technical field
The present invention relates to bridge technology field, particularly to the detachable bridge on foot of a kind of portable Fast Installation.
Background technology
Existing river crossing bridge equipment is mechanization, the big bridge of loading capacity, and when road Severe blockage, interruption of communication, time vehicle cannot arrive, the effect of light equipment on foot seems increasingly important.Owing to China is existing without the light equipment product of bridge on foot.Therefore, be badly in need of a kind of quick, detachable, can for rescue unit light bridge on foot equipment, in rescue and relief work process energy simple and fast rob logical arterial highway, get through rescue passage.
Summary of the invention
The technical problem to be solved is to provide the detachable bridge on foot of a kind of portable Fast Installation, make in road Severe blockage, interruption of communication, time vehicle cannot arrive, this bridge on foot is set up under energy quickly river course or other environment, it is easy to the rapid rescue disaster relief, ensure the safety of Field Force and property, get through production passage.
nullThe technical scheme is that the detachable bridge on foot of a kind of portable Fast Installation，Including two pylons being vertically embedded in respectively on the ground of both sides, river course、Two pairs of combination anchorage stakes and folding bridge floor，Two above-mentioned pylons are set up in parallel and are parallel to each other，Each above-mentioned pylon deviates from all buries corresponding a pair combinations thereof anchorage stake underground on the side ground in river course，Two main push-towing ropes being parallel to each other it are provided with between two above-mentioned pylons，The two ends of every above-mentioned main push-towing rope connect the top of two pylons of correspondence respectively，Above-mentioned folding bridge floor is horizontally set between two pylons，And it is positioned at the lower section of two above-mentioned main push-towing ropes，And its two ends are fixed on the ground of both sides, river course each through anchoring pile，And two main push-towing ropes lay respectively at the above-mentioned folding bridge floor top relative to the both sides of its length direction，Above-mentioned folding bridge floor connects, respectively through some hoist cables, the above-mentioned main push-towing rope that top is corresponding relative to the both sides of its length direction，Every pair of combinations thereof anchorage stake connects corresponding tower top respectively through secondary cable.
The invention has the beneficial effects as follows: whole bridge structure is simple, easy accessibility, set up comparatively quick, light weight, it is simple to carry, fills up the blank of bridge on foot in river crossing bridge equipment, for in rescue and relief work process, ensureing the safety of Field Force and property, getting through production passage will play an important role, and practicality is stronger.
On the basis of technique scheme, the present invention can also do following improvement.
Further, two above-mentioned pylons are disposed as "door" type, the every pair of combinations thereof anchorage stake is symmetrically distributed in the above-mentioned pylon both sides relative to bridge length direction of correspondence, and the every pair of combinations thereof anchorage stake connects the two ends, top of corresponding pylon each through secondary cable.
Above-mentioned further scheme is adopted to provide the benefit that simple in construction, reasonable in design, by main push-towing rope, pylon is carried out force-extension so that it is structural strength is better, simultaneously, it is simple to dismounting.
Further, above-mentioned pylon includes the link of two fixing pile frames being vertically embedded on ground and "door" type, the lower end of above-mentioned link is plugged in fixing pile frame respectively, and above-mentioned link can move up and down along fixing pile frame, and the high-strength bolt that can pass through to be arranged on fixing pile frame and link junction is fixed on fixing pile frame.
Pylon structure is simple to adopt above-mentioned further scheme to provide the benefit that, can regulate the upper-lower height of pylon when setting up according to actual environment, use comparatively flexible.
Further, two ends, above-mentioned link top are equipped with cable saddle, and each combinations thereof anchorage stake is connected on corresponding cable saddle each through secondary cable, and the two ends of every above-mentioned main push-towing rope are connected on the cable saddle that two ends, two link tops are corresponding.
Adopt above-mentioned further scheme to provide the benefit that and connect main push-towing rope by cable saddle, dismount more convenient.
Further, above-mentioned jack-knife bridge face includes some floorings being set up in parallel, and is hinged between two adjacent above-mentioned floorings, and two the above-mentioned floorings being positioned at two ends are fixed on the ground of both sides, river course respectively through anchoring pile.
Above-mentioned further scheme is adopted to provide the benefit that folding bridge floor simple in construction, easy accessibility, it is simple to fold and carry.
Further, each above-mentioned floorings connect above-mentioned main push-towing rope corresponding above it relative to the two ends in bridge length direction each through above-mentioned hoist cable.
Adopt above-mentioned further scheme to provide the benefit that and by hanger rope, each floorings be connected on suspension rod so that in use, folding bridge floor will not because of load-bearing indent, its structural strength is better.
Further, above-mentioned floorings are aluminum alloy plate materials.
Adopting above-mentioned further scheme to provide the benefit that light weight, structural strength is better, it is simple to carry.
Further, each combinations thereof anchorage stake all includes two symmetries the triangle stake being vertically arranged, relative two the side peg board of two above-mentioned triangle stakes are arranged in parallel, and the top between two relative side peg board is connected by adjusting screw rod, one of them above-mentioned triangle stake is connected on the cable saddle that corresponding two ends, link top are provided with by above-mentioned secondary cable.
Combination anchorage pilework is simple to adopt above-mentioned further scheme to provide the benefit that, easy accessibility, by adjusting screw rod pretension, makes to connect between two triangle stakes comparatively tight, buries rear overall construction intensity underground better.
Further, above-mentioned folding bridge floor is uniformly provided with many wind cables respectively relative to the both sides of its length direction, every above-mentioned wind cable away from one end of folding bridge floor each through on the ground of anchoring pile fixing both sides, river course.
Adopt above-mentioned further scheme to provide the benefit that and prevent at strong wind weather, folding bridge floor double swerve under windage so that it is stability is higher.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the detachable bridge on foot of the portable Fast Installation of the present invention；
Fig. 2 is the plan structure schematic diagram removing combination anchorage stake and folding bridge floor of the detachable bridge on foot of the portable Fast Installation of the present invention；
Fig. 3 is the structural representation of the detachable pylon of bridge on foot of the portable Fast Installation of the present invention；
Fig. 4 is the plan structure schematic diagram of the detachable folding bridge floor of bridge on foot of the portable Fast Installation of the present invention
Fig. 5 is the structural representation of the combination anchorage stake of the detachable bridge on foot of the portable Fast Installation of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, pylon, 2, combination anchorage stake, 3, folding bridge floor, 4, main push-towing rope, 5, secondary cable, 6, hoist cable, 7, wind cable, 11, fixing pile frame, 12, link, 21, triangle stake, 22, adjusting screw rod, 31, floorings, 121, cable saddle, 211, pile tube, 212, pricker stake, 213, sheet pile.
Detailed description of the invention
Below in conjunction with accompanying drawing, principles of the invention and feature being described, example is served only for explaining the present invention, is not intended to limit the scope of the present invention.
nullEmbodiment: as illustrated in fig. 1 and 2，The detachable bridge on foot of the portable Fast Installation of the present embodiment includes two pylons 1 being vertically embedded on the ground of both sides, river course respectively、Two pairs of combination anchorage stakes 2 and folding bridge floor 3，Two above-mentioned pylons 1 are set up in parallel and are parallel to each other，Each above-mentioned pylon 1 deviates from all buries corresponding a pair combinations thereof anchorage stake 2 underground on the side ground in river course，It is provided with two main push-towing ropes being parallel to each other 4 between two above-mentioned pylons 1，The two ends of every above-mentioned main push-towing rope 4 connect the top of two pylons 1 of correspondence respectively，Above-mentioned folding bridge floor 3 is horizontally set between two pylons 1，And it is positioned at the lower section of two above-mentioned main push-towing ropes 4，And its two ends are fixed on the ground of both sides, river course each through anchoring pile，And two main push-towing ropes 4 lay respectively at the above-mentioned folding bridge floor 3 top relative to the both sides of its length direction，Above-mentioned folding bridge floor 3 connects, respectively through some hoist cables 6, the above-mentioned main push-towing rope 4 that top is corresponding relative to the both sides of its length direction，Every pair of combinations thereof anchorage stake 2 connects corresponding pylon 1 top respectively through secondary cable 5.
nullIn installation process，First two pylons 1 are embedded on the ground of both sides, river course respectively，It is arranged in parallel each other，Afterwards，Corresponding with each pylon 1 a pair combination anchorage stake 2 is embedded in on the river course ground of its homonymy，Wherein，A pair two ends of combination anchorage stake 2 respectively corresponding pylon 1 of two，Each combination anchorage stake 2 is connected with wherein one end of the horizontal direction at the top of pylon 2 each through secondary cable 5，Next step，Main push-towing rope is set up between the top of two pylons 2，Again next step，Connect respectively uniformly along two side bottoms in bridge length direction at main push-towing rope and arrange multiple hoist cables 6，Again folding bridge floor 3 is transported to main push-towing rope 4 and between two pylons 1，And folding bridge floor 3 connects above-mentioned hoist cable 6 relative to the both sides in bridge length direction，Its two ends are fixed on the ground of both sides, river course each through anchoring pile，So far，Whole bridge erection is complete，Because each component of whole bridge adopts lightweight steel plate mostly、Steel sheet pile and lightweight floorings and rope cable etc.，Its whole body of a bridge lighter in weight，Relatively it is easy to carry，Dismount also comparatively quick，Be suitable at the in emergency circumstances fast erecting such as disaster.
In certain embodiments, as shown in Figure 3, two above-mentioned pylons 1 are disposed as "door" type, every pair of combinations thereof anchorage stake 2 is symmetrically distributed in the above-mentioned pylon 1 both sides relative to bridge length direction of correspondence, and the every pair of combinations thereof anchorage stake 2 connects the two ends, top of corresponding pylon 1 each through secondary cable 5, its structure is relatively simple, it is simple to carry.
In certain embodiments, as shown in Figure 3, above-mentioned pylon 1 includes the link 12 of two fixing pile frames 11 being vertically embedded on ground and "door" type, above-mentioned link 12 lower end is plugged in fixing pile frame 11 respectively, and above-mentioned link 12 can move up and down along fixing pile frame 11, and the high-strength bolt that can pass through to be arranged on fixing pile frame 11 and link 12 junction is fixed on fixing pile frame 11, in erection process, can according to the width situation in river course and actual demand, regulate the adjustable height of link 12 so that it is rescue or transport can be well adapted to.
Preferably, two ends, above-mentioned link 12 top are equipped with cable saddle 121, each combinations thereof anchorage stake 2 is connected on corresponding cable saddle 121 each through secondary cable 5, the two ends of every above-mentioned main push-towing rope 4 are connected on the cable saddle 121 that two ends, two link 12 tops are corresponding, it is simple to secondary cable 5 and main push-towing rope 4 respectively with being quickly connected between link 12.
In certain embodiments, as shown in Figure 4, above-mentioned folding bridge floor 3 includes some floorings 31 being set up in parallel, it is hinged between two adjacent above-mentioned floorings 31, two the above-mentioned floorings 31 being positioned at two ends are fixed on the ground of both sides, river course respectively through anchoring pile so that in transportation, can be wound or flat-folded by floorings 31, make its small volume in not use procedure, it is simple to easily carry.
Preferably, each above-mentioned floorings 31 connect above-mentioned main push-towing rope 4 corresponding above it relative to the two ends in bridge length direction each through above-mentioned hoist cable 6, this allows for each floorings 31 and all can well be connected with main push-towing rope 4, it is to avoid in use indivedual floorings 31 move down because of load-bearing and cause the irregular problem of whole folding bridge floor 3 to occur.
Preferably, above-mentioned floorings 31 are aluminum alloy plate materials, and its overall gravity is lighter, it is simple to carry.
nullPreferably，As shown in Figure 5，Each combinations thereof anchorage stake 2 all includes two symmetries the triangle stake 21 being vertically arranged，Relative two the side peg board of two above-mentioned triangle stakes 21 are arranged in parallel，And the top between two relative side peg board is connected by adjusting screw rod 22，One of them above-mentioned triangle stake 21 is connected on the cable saddle 121 that corresponding two ends, link 12 top are provided with by above-mentioned secondary cable 5，After two triangle stakes 21 are vertically embedded in ground，The two ends, top of its relatively close side peg board connect each through adjusting screw rod 22，And by tightening adjusting screw rod 22，Structure between two triangle stakes 21 is connected tightr，Change will not be subjected to displacement，In addition，Higher in order to make combination anchorage stake 2 can bear pulling force，When burying underground，Two triangle stakes 31 all arrange along the length direction of whole bridge and bury underground.
The peg board angle, adjacent two sides, inside of each above-mentioned triangle stake 21 is all vertically provided with pile tube 211, each side peg board is all vertically provided with pricker stake 212, and it is vertically arranged with sheet pile 213 near the peg board angle, two sides of one of them triangle stake 21 of the combination anchorage stake 2 of corresponding pylon 1, and it is fixed with pulley connection group at this sheet pile 213 upper top, one end of secondary cable 5 is connected in pulley connection group, and the other end is fixed on the cable saddle 121 that two ends, link 12 top are correspondingly arranged.
In certain embodiments, above-mentioned folding bridge floor 3 is uniformly provided with many wind cables 7 respectively relative to the both sides of its length direction, every above-mentioned wind cable 7 away from one end of folding bridge floor 3 each through on the ground of anchoring pile fixing both sides, river course, above-mentioned wind cable 7 is symmetric along the perpendicular bisector of folding bridge floor 3, it is positioned at the pylon 1 direction stretching that the wind cable 7 of these perpendicular bisector both sides is all corresponding to both sides, river course, and it is outward-dipping relative to the both sides in bridge length direction, and it is fixed on river course ground away from the termination of folding bridge floor 3 by anchoring pile, make under strong wind atmosphere, folding bridge floor 3 will not occur significantly to rock under windage, make jack-knife bridge face stability better, it is easy to pedestrian steady, passing through of safety.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (9)
- null1. the detachable bridge on foot of a portable Fast Installation，It is characterized in that: include two pylons (1) being vertically embedded on the ground of both sides, river course respectively、Two pairs of combinations anchorage stake (2) and folding bridge floor (3)，Two described pylons (1) are set up in parallel and are parallel to each other，Each described pylon (1) is deviated from and is all buried corresponding a pair described combination anchorage stake (2) on the side ground in river course underground，Two main push-towing ropes being parallel to each other (4) it are provided with between two described pylons (1)，The two ends of every described main push-towing rope (4) connect the top of two pylons (1) of correspondence respectively，Described folding bridge floor (3) is horizontally set between two pylons (1)，And it is positioned at the lower section of two described main push-towing ropes (4)，And its two ends are fixed on the ground of both sides, river course each through anchoring pile，Described folding bridge floor (3) connects, respectively through some hoist cables (6), the described main push-towing rope (4) that top is corresponding relative to the both sides of its length direction，Every pair of described combination anchorage stake (2) connects corresponding pylon (1) top respectively through secondary cable (5).
- 2. the detachable bridge on foot of a kind of portable Fast Installation according to claim 1, it is characterized in that: two described pylons (1) are disposed as "door" type, every pair of described combination anchorage stake (2) is symmetrically distributed in the described pylon (1) both sides relative to bridge length direction of correspondence, and every pair of described combination anchorage stake (2) connects the two ends, top of corresponding pylon (1) each through secondary cable (5).
- 3. the detachable bridge on foot of a kind of portable Fast Installation according to claim 2, it is characterized in that: described pylon (1) includes the link (12) of two fixing pile frames (11) being vertically embedded on ground and "door" type, the lower end of described link (12) is plugged in fixing pile frame (11) respectively, and described link (12) can move up and down along fixing pile frame (11), and the high-strength bolt that can pass through to be arranged on fixing pile frame (11) and link (12) junction is fixed on fixing pile frame (11).
- 4. the detachable bridge on foot of a kind of portable Fast Installation according to claim 3, it is characterized in that: described link (12) two ends, top are equipped with cable saddle (121), each described combination anchorage stake (2) is connected on corresponding cable saddle (121) each through secondary cable (5), and the two ends of every described main push-towing rope (4) are connected on two corresponding cable saddles (121) in link (12) two ends, top.
- 5. the detachable bridge on foot of a kind of portable Fast Installation according to claim 4, it is characterized in that: described folding bridge floor (3) includes some floorings (31) being set up in parallel, being hinged between two adjacent described floorings (31), two the described floorings (31) being positioned at two ends are fixed on the ground of both sides, river course respectively through anchoring pile.
- 6. the detachable bridge on foot of a kind of portable Fast Installation according to claim 5, it is characterised in that: each described floorings (31) connect described main push-towing rope (4) corresponding above it relative to the two ends in bridge length direction each through described hoist cable (6).
- 7. the detachable bridge on foot of a kind of portable Fast Installation according to claim 6, it is characterised in that: described floorings (31) are aluminum alloy plate materials.
- 8. the detachable bridge on foot of a kind of portable Fast Installation according to claim 4, it is characterized in that: each described combination anchorage stake (2) all includes two symmetries the triangle stake (21) being vertically arranged, relative two the side peg board of two described triangle stakes (21) are arranged in parallel, and the top between two relative side peg board is connected by adjusting screw rod (22), one of them described triangle stake (21) is connected on the cable saddle (121) that corresponding link (12) two ends, top are provided with by described secondary cable (5).
- 9. the detachable bridge on foot of a kind of portable Fast Installation according to any one of claim 1 to 7, it is characterized in that: described folding bridge floor (3) is uniformly provided with many wind cables (7) respectively relative to the both sides of its length direction, every described wind cable (7) away from one end of folding bridge floor (3) each through on the ground of anchoring pile fixing both sides, river course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259382.9A CN105735103B (en) | 2016-04-25 | 2016-04-25 | Portable quick installation can dismantle bridge on foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259382.9A CN105735103B (en) | 2016-04-25 | 2016-04-25 | Portable quick installation can dismantle bridge on foot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105735103A true CN105735103A (en) | 2016-07-06 |
| CN105735103B CN105735103B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610259382.9A Active CN105735103B (en) | 2016-04-25 | 2016-04-25 | Portable quick installation can dismantle bridge on foot |
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| Country | Link |
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| CN (1) | CN105735103B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904753A (en) * | 2019-11-28 | 2020-03-24 | 四川鸥鹏建筑工程公司 | Rapid Assembly formula cantilever structure mountain area temporary road |
| CN111074747A (en) * | 2019-12-16 | 2020-04-28 | 中国人民解放军63921部队 | Cable support bridge that erects fast |
| CN111646101A (en) * | 2019-11-27 | 2020-09-11 | 泰富重工制造有限公司 | Folding type bridge device for circular tube conveyor and installation method of folding type bridge device |
| CN113106878A (en) * | 2021-04-14 | 2021-07-13 | 苏交科集团股份有限公司 | Method for improving flutter critical wind speed of super-large span bridge and reinforcing device |
| CN116335013A (en) * | 2023-05-25 | 2023-06-27 | 西南交通大学 | Portable modularized quick river-crossing device for rescue and relief work |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646101A (en) * | 2019-11-27 | 2020-09-11 | 泰富重工制造有限公司 | Folding type bridge device for circular tube conveyor and installation method of folding type bridge device |
| CN110904753A (en) * | 2019-11-28 | 2020-03-24 | 四川鸥鹏建筑工程公司 | Rapid Assembly formula cantilever structure mountain area temporary road |
| CN111074747A (en) * | 2019-12-16 | 2020-04-28 | 中国人民解放军63921部队 | Cable support bridge that erects fast |
| CN113106878A (en) * | 2021-04-14 | 2021-07-13 | 苏交科集团股份有限公司 | Method for improving flutter critical wind speed of super-large span bridge and reinforcing device |
| CN116335013A (en) * | 2023-05-25 | 2023-06-27 | 西南交通大学 | Portable modularized quick river-crossing device for rescue and relief work |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105735103B (en) | 2018-07-27 |
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