CN108301311A - A kind of emergent bridge of the automation rapid desufflation stretching, extension of the small span of camouflage-type - Google Patents
A kind of emergent bridge of the automation rapid desufflation stretching, extension of the small span of camouflage-type Download PDFInfo
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- CN108301311A CN108301311A CN201810145224.XA CN201810145224A CN108301311A CN 108301311 A CN108301311 A CN 108301311A CN 201810145224 A CN201810145224 A CN 201810145224A CN 108301311 A CN108301311 A CN 108301311A
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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
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/10—Travelling bridges, i.e. roller bridges; Sliding bridges; Rotary cylinder bridges, i.e. rotating about longitudinal axis to invert and raise the road
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
Abstract
A kind of emergent bridge of the automation rapid desufflation stretching, extension of the small span of camouflage-type, including bridge case, the front side of bridge case is open and its open-mouth is equipped with descending guide plate component, hydraulic station and two groups of multi-stage expansion oil cylinders are fixed in bridge case, two groups of multi-stage expansion oil cylinders or so are arranged side by side, the length direction of every group of multi-stage expansion oil cylinder is arranged along anterior-posterior horizontal direction, telescopic hydraulic support device is respectively and fixedly provided between on the downside of the telescopic arm end at the same level of two groups of multi-stage expansion oil cylinders, being equipped with bridge plate in bridge case is laid with mechanism, chain armrest mechanism and flexible bridge mechanism；In conclusion structure of the invention reasonable design can rapidly build emergent bridge temporarily, to facilitate personnel's vehicle to pass through when encountering burst emergency.
Description
Technical field
The invention belongs to bridge equipment technical fields, and in particular to a kind of automation rapid desufflation of the small span of camouflage-type is stretched
The emergent bridge of exhibition.
Background technology
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through, when certain places
Bridge because it is of long duration or occur burst accident, natural calamity by destroying when, then need quickly build meet an urgent need bridge ensure
Material Transportation, personnel's trip, more existing emergent bridge structural instability are cumbersome for installation.
Invention content
For the present invention in order to solve shortcoming in the prior art, providing one kind, an emergency situation is encountered, can be with fast construction
The emergent bridge of small span of the automation rapid desufflation stretching, extension of emergent bridge.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of automation of the small span of camouflage-type is fast
Speed shrinks the emergent bridge of stretching, extension, including bridge case, and the front side of bridge case is open and its open-mouth is equipped with case lid, and the front interior of bridge case is set
There is descending guide plate component, hydraulic station and two groups of multi-stage expansion oil cylinders is fixed in bridge case, two groups of multi-stage expansion oil cylinders or so are side by side
The length direction of setting, every group of multi-stage expansion oil cylinder is arranged along anterior-posterior horizontal direction, and the peer of two groups of multi-stage expansion oil cylinders is flexible
Telescopic hydraulic support device is respectively and fixedly provided between on the downside of arm end, being equipped with bridge plate in bridge case is laid with mechanism, chain armrest mechanism
And flexible bridge mechanism, hydraulic station are laid with mechanism, chain handrail with telescopic hydraulic support device, bridge plate respectively by oil pipe
Mechanism, flexible bridge mechanism and two groups of multi-stage expansion oil cylinder connections.
Telescopic hydraulic support device includes the installs case of strip and bottom opening, and installs case is fixed on two groups of multistages and stretches
Between the bottom surface of the adjacent expansion arm end of contracting oil cylinder, the length direction of installs case is arranged along left and right horizontal direction, in installs case
Equipped with two groups of hydraulic support mechanisms, two groups of hydraulic support mechanisms are symmetrical set, and the hydraulic support mechanism positioned at right side includes
The cylinder body of slideway, strut, folding and unfolding oil cylinder and multistage support cylinder, folding and unfolding oil cylinder is fixed in installs case and its length direction is along left
Right horizontally arranged, the piston rod end of folding and unfolding oil cylinder is fixed with hinged block, slideway be fixed on the top inner wall of installs case and
Its length direction is arranged along left and right horizontal direction, and hinged block is slidably connected on slideway, the cylinder ends hinge of multistage support cylinder
It is connected on the right side in installs case, the cylinder body upper end of multistage support cylinder is less than the bottom of hinged block with the position of installs case hinge joint
The one end in portion, strut is hinged on hinged block, and the other end of strut is hinged on the cylinder body side of multistage support cylinder.
The telescopic arm end of multistage support cylinder is fixed with support plate, and the lower surface of support plate is evenly equipped with several teeth.
Chain armrest mechanism includes left rope and right rope, the telescopic arm end at the same level upside of two groups of multi-stage expansion oil cylinders
Between be respectively and fixedly provided with connecting plate, the left end and right end of connecting plate are respectively and fixedly provided with auxiliary hydraulic cylinder, and one end of left rope is connected to bridge case
Inner wall, left rope are connected to positioned at the piston rod end of row's auxiliary hydraulic cylinder in left side, and one end of right rope is connected to bridge case
Inner wall, right rope are connected to the piston rod end of row's auxiliary hydraulic cylinder positioned at right side.
Flexible bridge mechanism includes containing box, and containing box is fixed on the upside of the cylinder body of two groups of multi-stage expansion oil cylinders, is located at most
It is respectively connected with rhombus expansion brackets between the connecting plate and containing box of rear side, between adjacent connecting plate；
Rhombus expansion brackets between adjacent connection plates include several row's diamond shape framves, and several row's diamond shape framves or so are arranged side by side, often arrange
Diamond shape frame includes several diamond shape parts, is arranged side by side before and after several diamond shape parts, and each diamond shape part is surrounded by four quarter butts,
The end of two adjacent quarter butts is hinged by axis pin between adjacent diamond shape part by pin-hinges；
It is connected by connecting rod between the axis pin of left and right side by side.
It includes mounting bracket and hydraulic motor that bridge plate, which is laid with mechanism, and mounting bracket is fixed in bridge case and is located at multi-stage expansion oil cylinder
Rear side, roller is rotatably connected on mounting bracket, the centerline direction of roller is arranged along left and right horizontal direction, the central shaft of roller
It is equipped with accessary sprocket wheel, hydraulic motor is fixed in bridge case, and the main shaft of hydraulic motor is equipped with head sprocket, and head sprocket passes through transmission chain
Item is connect with accessary sprocket wheel；
It is wound with carrier bar on roller, on front side of the upper surface of containing box and rear side is rotatably connected to guide roller, two guide rollers
Centerline direction is arranged along left and right horizontal direction, and the front side edge of carrier bar advances through the company that most front side is connected to after two guide rollers
On fishplate bar.
Descending guide plate component includes pushing oil cylinder, the first guide plate and the second guide plate, fixed setting on front side of the inner wall of bridge box top
There is bearing, the rear end of oil cylinder is pushed to be hinged on bearing, the folding and unfolding slot of bottom opening is offered in the first guide plate, the first guide plate
Upper side edge is hinged at the top of the front side of bridge case, and the piston rod of oil cylinder is pushed to be hinged on the rear side of the first guide plate, the sliding of the second guide plate
It is plugged in the folding and unfolding slot of the first guide plate, the first guide plate upper lateral part is equipped with the first jack, and the first guide plate following side is equipped with second and inserts
Hole, the second guide plate upper lateral part offer third jack, and the length direction of the first jack, the second jack and third jack is along left and right
It is horizontally arranged, it is inserted with pin plate in the second jack and third jack.
Above-mentioned technical proposal is used, the invention has the advantages that：
（1）, the present invention be used as spare bridge, be hidden in when not in use below the end of bridge in stratum, can when bridge damage
It carries out building emergency bridge temporarily to start the present invention；When building emergency bridge, hydraulic station of the invention is bridge by oil circuit
Plate is laid with mechanism, chain armrest mechanism, flexible bridge mechanism and two groups of multi-stage expansion oil cylinders and provides driving；The present invention passes through two groups
Multi-stage expansion oil cylinder is as crane span structure main body, and using multigroup telescopic hydraulic support device as supporting, carrier bar expansion is used as bridge floor,
To build interim simply emergent bridge；In addition the present invention increases chain armrest mechanism, which can be with support staff
Safety；
（2）, the present invention telescopic hydraulic support device be hidden on the downside of the telescopic arm end of multi-stage expansion oil cylinder, when use, receives
Cylinder of draining the oil starts, and the piston rod of folding and unfolding oil cylinder pushes hinged block movement, and to which hinged block movement drives strut movement, strut will be more
Grade support cylinder struts until multistage support cylinder is vertically arranged, and stopping folding and unfolding oil cylinder then starts multistage support cylinder, multistage
The telescopic arm of support cylinder extends downwardly, until support plate is contacted with ground, to support entire crane span structure, in addition in support plate
Lower surface is equipped with teeth, and teeth can increase the dynamics on the grasping ground of support plate；
（3）, the present invention provides a kind of flexible bridge mechanism, which is composed of several diamond shape parts, not
Using being that can shrink together, the top of the telescopic arm of multi-stage expansion oil cylinder is opened and be laid on to when use completely, to chain
Plate is laid on diamond shape part, support of the diamond shape part as carrier bar；
（4）, when recycling carrier bar, start hydraulic motor, hydraulic motor rotated by chain-driving roller, to which carrier bar is in roller
Rotation under twine again and be located at outer surface of cylinder；
（5）, the present invention in the open-mouth of bridge case, descending guide plate component is set, which is supported on carrier bar when in use
On, it prevents from generating step between ground and carrier bar, to facilitate the movement of persons to carrier bar；In addition the descending guide plate component is in discomfort
Used time, the second guide plate are completely hidden in the accommodating groove of the first guide plate, and pin plate is plugged in the first jack and third jack at this time,
It is located in bridge case to which under the action of pushing oil cylinder, the first guide plate folds.
In conclusion structure of the invention reasonable design can rapidly build and answer when encountering burst emergency temporarily
Anxious bridge, to facilitate personnel's vehicle to pass through.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the enlarged drawing at I in Fig. 1；
Fig. 3 is the enlarged drawing at H in Fig. 1；
Fig. 4 is the structural schematic diagram of rhombus expansion brackets；
Fig. 5 is the structural schematic diagram of telescopic hydraulic support device.
Specific implementation mode
As shown in Figs. 1-5, the emergent bridge of the automation rapid desufflation stretching, extension of the small span of a kind of camouflage-type of the invention, including
The front side of bridge case 1, bridge case 1 is open and its open-mouth is equipped with case lid, and the front interior of bridge case is equipped with descending guide plate component, bridge case 1
It is inside fixed with hydraulic station and two groups of multi-stage expansion oil cylinders 2, two groups of multi-stage expansion oil cylinders 2 or so are arranged side by side, every group of multi-stage expansion
The length direction of oil cylinder 2 is arranged along anterior-posterior horizontal direction, between the telescopic arm end at the same level downside of two groups of multi-stage expansion oil cylinders 2
It is fixed with telescopic hydraulic support device, being equipped with bridge plate in bridge case 1 is laid with mechanism, chain armrest mechanism and flexible crane span structure machine
Structure, hydraulic station are laid with mechanism, chain armrest mechanism, flexible crane span structure with telescopic hydraulic support device, bridge plate respectively by oil pipe
Mechanism and two groups of multi-stage expansion oil cylinders 2 connect.
Telescopic hydraulic support device includes the installs case 3 of strip and bottom opening, and installs case 3 is fixed on two groups of multistages
Between the bottom surface of the adjacent expansion arm end of telescopic oil cylinder 2, the length direction of installs case 3 is arranged along left and right horizontal direction, installation
Two groups of hydraulic support mechanisms are equipped in case 3, two groups of hydraulic support mechanisms are symmetrical set, and are located at the hydraulic support mechanism on right side
Including slideway 4, strut 5, folding and unfolding oil cylinder 6 and multistage support cylinder 7, the cylinder body of folding and unfolding oil cylinder 6 is fixed in installs case 3 and it is grown
It spends direction along left and right horizontal direction to be arranged, the piston rod end of folding and unfolding oil cylinder 6 is fixed with hinged block 8, and slideway 4 is fixed on installs case
3 top inner wall and its length direction are arranged along left and right horizontal direction, and hinged block 8 is slidably connected on slideway 4, multistage support oil
The cylinder ends of cylinder 7 are hinged on the right side in installs case 3, cylinder body upper end and 3 hinge joint of installs case of multistage support cylinder 7
Position is less than the bottom of hinged block 8, and one end of strut 5 is hinged on hinged block 8, and the other end of strut 5 is hinged on multistage support
The cylinder body side of oil cylinder 7.
The telescopic arm end of multistage support cylinder 7 is fixed with support plate 9, and the lower surface of support plate 9 is evenly equipped with several teeth
10。
Chain armrest mechanism includes left rope and right rope 11, on the telescopic arm end at the same level of two groups of multi-stage expansion oil cylinders 2
Connecting plate 12 is respectively and fixedly provided between side, the left end and right end of connecting plate 12 are respectively and fixedly provided with auxiliary hydraulic cylinder 13, one end of left rope
It is connected to 1 inner wall of bridge case, left rope is connected to the piston rod end of row's auxiliary hydraulic cylinder 13 positioned at left side, right rope 11
One end is connected to 1 inner wall of bridge case, and right rope 11 is connected to the piston rod end of row's auxiliary hydraulic cylinder 13 positioned at right side.
Flexible bridge mechanism includes containing box 14, and containing box 14 is fixed on the upside of the cylinder body of two groups of multi-stage expansion oil cylinders 2, position
It is respectively connected with rhombus expansion brackets 15 between the connecting plate 12 and containing box 14 of most rear side, between adjacent connecting plate 12；
Rhombus expansion brackets 15 between adjacent connection plates 12 include several row's diamond shape framves, and several row's diamond shape framves or so are arranged side by side,
Often row's diamond shape frame includes several diamond shape parts, is arranged side by side before and after several diamond shape parts, each diamond shape part is closed by four quarter butts 16
It encloses, the end of adjacent two quarter butts 16 is hinged by pin 17, hinged by axis pin 18 between adjacent diamond shape part；Pin
Axis 18 can replace at this for connecting the pin 17 between two quarter butts 16；
It is connected by connecting rod 19 between the axis pin 18 of left and right side by side.
It includes mounting bracket 20 and hydraulic motor 21 that bridge plate, which is laid with mechanism, and mounting bracket 20 is fixed in bridge case 1 and positioned at multistage
The rear side of telescopic oil cylinder 2 is rotatably connected to roller 22 on mounting bracket 20, and the centerline direction of roller 22 is set along left and right horizontal direction
It sets, the central shaft of roller 22 is equipped with accessary sprocket wheel, and hydraulic motor 21 is fixed in bridge case 1, and the main shaft of hydraulic motor 21 is equipped with
Head sprocket 23, head sprocket 23 are connect by driving chain 25 with accessary sprocket wheel 24；
It is wound with carrier bar 26 on roller 22, on front side of the upper surface of containing box 14 and rear side is rotatably connected to guide roller 27, two
The centerline direction of guide roller 27 is arranged along left and right horizontal direction, and the front side edge of carrier bar 26 connects after advancing through two guide rollers 27
It is connected on the most connecting plate 12 of front side.
Descending guide plate component includes pushing oil cylinder 30, the first guide plate 31 and the second guide plate 32, solid on front side of 1 top inner wall of bridge case
Surely it is provided with bearing 34, pushes the rear end of oil cylinder 30 to be hinged on bearing 34, the receipts of bottom opening is offered in the first guide plate 31
Slot 35 is put, the upper side edge of the first guide plate 31 is hinged at the top of the front side of bridge case 1, is pushed the piston rod of oil cylinder 30 to be hinged on first and is led
The rear side of plate 31, the sliding of the second guide plate 32 are plugged in the folding and unfolding slot 35 of the first guide plate 31, and 31 upper lateral part of the first guide plate is equipped with the
One jack, 31 following side of the first guide plate are equipped with the second jack, and 32 upper lateral part of the second guide plate offers third jack, the first jack,
The length direction of second jack and third jack is arranged along left and right horizontal direction, and pin is inserted in the second jack and third jack
Plate 33.
The concrete structure and operation principle of multi-stage expansion oil cylinder 2 and multistage support cylinder 7 and stretching for existing common crane
The structure and working principle of contracting arm is identical.Details are not described herein.
In construction bridge, the present invention need to be embedded in the bank stratum in river, when an emergency situation is encountered bridge
Cave in damage when, the present invention can be started temporarily and carry out building temporary bridge, to facilitate passage；The present invention specifically at work,
It is first turned on case lid, manipulates hydraulic station, while starting two groups of multi-stage expansion oil cylinders 2, the most rear side of two groups of multi-stage expansion oil cylinders 2 is same
The telescopic arm of grade is fully extended forward, since a side of carrier bar 26 is connected on the most connecting plate 12 of front side, so in multistage
While the telescopic arm of the most rear side of telescopic oil cylinder 2 forward extends out, the connecting plate 12 of most front side is pulled along carrier bar 26 and rope
Rope, the telescopic hydraulic support device for being then mounted on the most telescopic arm end of rear side of two groups of multi-stage expansion oil cylinders 2 start,
Middle folding and unfolding oil cylinder 6 starts, and the piston rod of folding and unfolding oil cylinder 6 pushes hinged block 8 to move, to which the movement of hinged block 8 drives strut 5 to move
Dynamic, strut 5 struts multistage support cylinder 7 until multistage support cylinder 7 is vertically arranged, and stopping folding and unfolding oil cylinder 6 then starts more
Grade support cylinder 7, the telescopic arm of multistage support cylinder 7 extend downwardly, until support plate 9 is contacted with ground, teeth 10 are plugged in
Surface layer；Then start and push oil cylinder 30, push the piston rod of oil cylinder 30 to push the first guide plate 31 forward, then take out pin plate 33
（Pin plate 33 is plugged in the first pin hole and third pin hole at this time）, the second guide plate 32 is pulled downward on, is again plugged in pin plate 33
Then second pin hole manipulates in third pin hole and pushes oil cylinder 30 so that the lower side of the second guide plate 32 contradicts on carrier bar 26
Surface stops pushing oil cylinder 30；
Then start other telescopic arms of multi-stage expansion oil cylinder 2 successively, and above step operation is installed, until multi-stage expansion oil
The telescopic arm end of the most front side of cylinder 2 rides upon on the preset step in river other shore, 26 surface of carrier bar and river other shore
Road surface gentle transition；At this time under the drive of connecting plate 12, carrier bar 26, rhombus expansion brackets 15 and rope 11 are opened completely, so
Start auxiliary hydraulic cylinder 13 afterwards, auxiliary hydraulic cylinder 13 jacks up rope 11 to proper height, and that so far completes emergent bridge builds work
Make.
Secondly, the present invention is in assembly, to prevent criminal from stealing, reduces and destroys, can be by all portions of the present apparatus
Part outer surface sprays camouflage color pigment, improves the concealment of single unit system.
The present embodiment is not to be made any form of restriction to shape, material, the structure etc. of the present invention, every according to this hair
Bright technical spirit belongs to the technology of the present invention side to any simple modification, equivalent change and modification made by above example
The protection domain of case.
Claims (7)
1. a kind of emergent bridge of the automation rapid desufflation stretching, extension of small span of camouflage-type, it is characterised in that：Including bridge case, bridge case
Front side is open and its open-mouth is equipped with case lid, and the front interior of bridge case is equipped with descending guide plate component, hydraulic station is fixed in bridge case
With two groups of multi-stage expansion oil cylinders, two groups of multi-stage expansion oil cylinders or so are arranged side by side, the length direction edge of every group of multi-stage expansion oil cylinder
Anterior-posterior horizontal direction is arranged, and telescopic hydraulic branch is respectively and fixedly provided between the telescopic arm end at the same level downside of two groups of multi-stage expansion oil cylinders
Support arrangement, interior bridge plate laying mechanism, chain armrest mechanism and flexible bridge mechanism, the hydraulic station of being equipped with of bridge case are distinguished by oil pipe
It is laid with mechanism, chain armrest mechanism, flexible bridge mechanism and two groups of multi-stage expansion oil cylinders with telescopic hydraulic support device, bridge plate
Connection.
2. a kind of emergent bridge of the automation rapid desufflation stretching, extension of the small span of camouflage-type according to claim 1, feature
It is：Telescopic hydraulic support device includes the installs case of strip and bottom opening, and installs case is fixed on two groups of multi-stage expansions
Between the bottom surface of the adjacent expansion arm end of oil cylinder, the length direction of installs case is arranged along left and right horizontal direction, is set in installs case
There are two groups of hydraulic support mechanisms, two groups of hydraulic support mechanisms to be symmetrical set, the hydraulic support mechanism for being located at right side includes sliding
The cylinder body of road, strut, folding and unfolding oil cylinder and multistage support cylinder, folding and unfolding oil cylinder is fixed in installs case and its length direction is along left and right
Horizontally arranged, the piston rod end of folding and unfolding oil cylinder is fixed with hinged block, slideway be fixed on the top inner wall of installs case and its
Length direction is arranged along left and right horizontal direction, and hinged block is slidably connected on slideway, and the cylinder ends of multistage support cylinder are hinged
Right side in installs case, the cylinder body upper end of multistage support cylinder are less than the bottom of hinged block with the position of installs case hinge joint
The one end in portion, strut is hinged on hinged block, and the other end of strut is hinged on the cylinder body side of multistage support cylinder.
3. a kind of emergent bridge of the automation rapid desufflation stretching, extension of the small span of camouflage-type according to claim 2, feature
It is：The telescopic arm end of multistage support cylinder is fixed with support plate, and the lower surface of support plate is evenly equipped with several teeth.
4. a kind of emergent bridge of the automation rapid desufflation stretching, extension of the small span of camouflage-type according to claim 1, feature
It is：Chain armrest mechanism includes left rope and right rope, on the upside of the telescopic arm end at the same level of two groups of multi-stage expansion oil cylinders between
It is respectively and fixedly provided with connecting plate, the left end and right end of connecting plate are respectively and fixedly provided with auxiliary hydraulic cylinder, and one end of left rope is connected in bridge case
Wall, left rope are connected to positioned at the piston rod end of row's auxiliary hydraulic cylinder in left side, and one end of right rope is connected in bridge case
Wall, right rope are connected to the piston rod end of row's auxiliary hydraulic cylinder positioned at right side.
5. a kind of emergent bridge of the automation rapid desufflation stretching, extension of the small span of camouflage-type according to claim 4, feature
It is：Flexible bridge mechanism includes containing box, and containing box is fixed on the upside of the cylinder body of two groups of multi-stage expansion oil cylinders, is located at most rear side
Connecting plate and containing box between, between adjacent connecting plate be respectively connected with rhombus expansion brackets；
Rhombus expansion brackets between adjacent connection plates include several row's diamond shape framves, and several row's diamond shape framves or so are arranged side by side, often arrange
Diamond shape frame includes several diamond shape parts, is arranged side by side before and after several diamond shape parts, and each diamond shape part is surrounded by four quarter butts,
The end of two adjacent quarter butts is hinged by axis pin between adjacent diamond shape part by pin-hinges；
It is connected by connecting rod between the axis pin of left and right side by side.
6. a kind of emergent bridge of the automation rapid desufflation stretching, extension of the small span of camouflage-type according to claim 5, feature
It is：It includes mounting bracket and hydraulic motor that bridge plate, which is laid with mechanism, and mounting bracket is fixed in bridge case and positioned at multi-stage expansion oil cylinder
Rear side is rotatably connected to roller on mounting bracket, and the centerline direction of roller is arranged along left and right horizontal direction, along the central shaft of roller
Equipped with accessary sprocket wheel, hydraulic motor is fixed in bridge case, and the main shaft of hydraulic motor is equipped with head sprocket, and head sprocket passes through driving chain
It is connect with accessary sprocket wheel；
It is wound with carrier bar on roller, on front side of the upper surface of containing box and rear side is rotatably connected to guide roller, two guide rollers
Centerline direction is arranged along left and right horizontal direction, and the front side edge of carrier bar advances through the company that most front side is connected to after two guide rollers
On fishplate bar.
7. a kind of emergent bridge of the automation rapid desufflation stretching, extension of the small span of camouflage-type according to claim 1, feature
It is：Descending guide plate component includes pushing oil cylinder, the first guide plate and the second guide plate, and branch is fixedly installed on front side of the inner wall of bridge box top
Seat, pushes the rear end of oil cylinder to be hinged on bearing, the folding and unfolding slot of bottom opening, the upside of the first guide plate is offered in the first guide plate
While being hinged at the top of the front side of bridge case, the piston rod of oil cylinder is pushed to be hinged on the rear side of the first guide plate, the sliding of the second guide plate plugs
In the folding and unfolding slot of the first guide plate, the first guide plate upper lateral part is equipped with the first jack, and the first guide plate following side is equipped with the second jack, the
Two guide plate upper lateral parts offer third jack, and the length direction of the first jack, the second jack and third jack is along left and right horizontal
Direction is arranged, and pin plate is inserted in the second jack and third jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145224.XA CN108301311B (en) | 2018-02-12 | 2018-02-12 | Camouflage type small-span automatic rapid contraction and extension emergency bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145224.XA CN108301311B (en) | 2018-02-12 | 2018-02-12 | Camouflage type small-span automatic rapid contraction and extension emergency bridge |
Publications (2)
| Publication Number | Publication Date |
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| CN108301311A true CN108301311A (en) | 2018-07-20 |
| CN108301311B CN108301311B (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810145224.XA Expired - Fee Related CN108301311B (en) | 2018-02-12 | 2018-02-12 | Camouflage type small-span automatic rapid contraction and extension emergency bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144373A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Rail vehicle transfer method, system, device, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144373A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Rail vehicle transfer method, system, device, electronic equipment and storage medium |
| CN112144373B (en) * | 2019-06-28 | 2022-01-07 | 比亚迪股份有限公司 | Rail vehicle transfer method, system, device, electronic equipment and storage medium |
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| CN108301311B (en) | 2020-04-17 |
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