CN207739127U - Drag-line height-limiting frame - Google Patents
Drag-line height-limiting frame Download PDFInfo
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- CN207739127U CN207739127U CN201721232970.XU CN201721232970U CN207739127U CN 207739127 U CN207739127 U CN 207739127U CN 201721232970 U CN201721232970 U CN 201721232970U CN 207739127 U CN207739127 U CN 207739127U
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- sarasota
- limiting frame
- steel truss
- height
- towing rope
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Abstract
The utility model belongs to bridge technical field of auxiliary facilities, and in particular to drag-line bridge technical field.Drag-line height-limiting frame, including height-limiting frame ontology, height-limiting frame ontology is arranged in the left and right sides of bridge, height-limiting frame ontology includes steel truss, main push-towing rope, hoist cable, anchorage room, Sarasota, assist Sarasota, main push-towing rope has several hoist cables, hoist cable lower end connects steel truss, assist Sarasota setting in water, Sarasota includes concrete bearing platform, two strutbeams, steel pipe column, two strutbeams are arranged on concrete bearing platform, steel pipe column is arranged under concrete bearing platform, girder is equipped between two strutbeams, main push-towing rope, which rides upon, is arranged with protective case on strutbeam on girder, smart stay cable system is equipped in anchorage room, smart stay cable system includes device for measuring force, anchorage, draw off gear, feedback control center.The beneficial effects of the utility model are：Ensure that excessively high ship rests on outside main line bridge, itself has higher structural strength, can deal with the collision accident to take place frequently, ensures the safety of main line bridge.
Description
Technical field
The utility model belongs to bridge technical field of auxiliary facilities, and in particular to drag-line bridge technical field.
Background technology
With the continuous development of transportation, it is a large amount of it is over strait, constantly built across river, crossing bridge.And this bridge sheet
Situations such as river, river, lake, marine site residing for body are mostly busy navigation channels, flow, great waves, stormy waves is complicated, and bridge is inevitable
Ground carries the risk of certain ship collision.Under non-situation, ship grazing or hit bridge crane span structure when, have a constant speed
The momentum of the ship of degree is very big, damages bridge and happens occasionally.
Shenzhen-Guangzhou superhighway is parallel with wide deep Class I highway, is completely totally-enclosed, two-way six-lane（Part way is two-way
Ten tracks）, design speed per hour 120km/h, along the line with Guangzhou city ring freeway, Guangzhou North 2nd Ring Road highway, Guangzhou
Often brave highway, Shenzhen's machine lotus highway, Shenzhen Nanping are fast for the western ring highway in the southeast, Humen Bridge, Dongguan City
Rapid-curing cutback line is connected, and is completely equipped with interchange 20,169, bridge, 1, tunnel.
River raft bridge is having bad luck seawater road in section between extensively deep high speed fiber crops influx prestige ox pier across seawater road is had bad luck
The planning grade of lion ocean --- bright section of middle and upper reaches of bucket, place navigation channel is IV grade, and planning navigation ship is 500t grades.Chuan Cha is big
The bridge daily ship throughput that is averaged is about 30 ~ 50.Navigation ship has bulk freighter, dry cargo ship, Flat boat, self-discharging sand dredger, packaging
Case ship, pick-up boat etc., based on bulk freighter and dry cargo ship.
In recent years since, river raft bridge has 6 more serious collisions 2013 in April, 2016 repeatedly by ship collision
Event.After testing, raft bridge in river has that 9 T beams are impaired, to ensure bridge security, Guang Shenzhu highways Co., Ltd from this year 4
Month the bridge is carried out partly to enclose maintenance and reinforcement.
Enter flood season this year, Heavy Rainfall in Southern frequency drops.The attack of extremely rare heavy showers increases wide deep highway bridge and suffers ship
The risk that oceangoing ship is hit.Shenzhen-Guangzhou superhighway is that contact Guangzhou, Shenzhen Special District, the important channel in Hong Kong and trunk lines of national expressways are same
The Important Sections in river to Sanya national highway Guangdong Province.As most busy main artey of communications, wide depth high speed peak period vehicle flowrate is more than
100000/day, once accident occurs, consequence is hardly imaginable.
Currently, rivers,lakes and seas most of the crane span structure of bridge be arc crane span structure, when the passing bridge opening of ship, at the top of ship
It is higher by bridge depth of beam, is collided with crane span structure；Colliding crane span structure is influenced by following factor：The uncertainty at damp sunset；Tidewater
Variation；The variation of flow；The variation of water level height；The variation in navigation channel；The change of stormy waves weather；Marine technology situation and pseudo- rule behaviour
Make；Navigated by water under the non-states such as crew quality is low, driver's awareness of safety and mood, occur ship just insert, just hit, side impact, side
It hits, deflect shock, therefore the crane span structure of bridge must be provided with height-limiting anticollision device, protect the safety of bridge.
Utility model content
The utility model solves the above problems, and provides a kind of drag-line height-limiting frame
The technical solution of the utility model is as follows：Drag-line height-limiting frame, including height-limiting frame ontology, the height-limiting frame ontology
It is arranged in the left and right sides of bridge, height-limiting frame ontology includes steel truss, main push-towing rope, hoist cable, anchorage room, Sarasota, assists Sarasota, is described
Sarasota is in " door " set up of character patt ern in two sides, and the main push-towing rope has two to be fixed on Sarasota, and the both ends of main push-towing rope are fixed on anchorage room
Interior, the main push-towing rope has several hoist cables, and the hoist cable lower end connects steel truss, and the auxiliary Sarasota is arranged in water
In, the Sarasota includes concrete bearing platform, two strutbeams, steel pipe columns, and described two strutbeams are arranged on concrete bearing platform,
The steel pipe column is arranged under concrete bearing platform, and girder is equipped between described two strutbeams, and the main push-towing rope rides upon master
Protective case is arranged on beam on the strutbeam, smart stay cable system, the smart stay cable system are equipped in the anchorage room
System includes device for measuring force, anchorage, draw off gear, feedback control center, the auxiliary Sarasota at least one, the auxiliary
Sarasota includes auxiliary cushion cap, protection strutbeam, steel pipe foundation, and there are two settings on auxiliary cushion cap for the protection strutbeam, described
Steel pipe foundation be arranged in the case where assist cushion cap, the steel truss is erected between two strutbeams, protection strutbeam setting in steel truss
Frame both sides.
Further, the steel truss is made of truss section array, and the truss section includes two square frames,
It is equipped with diagonal cross in six of the square frame positive aspects, one just in described two square frames
One of square frame positive aspect and the square face paste of another square frame close to form public positive aspect, it is described it is public just
Aspect is equipped with public cross, and the positive aspect opposite with public positive aspect is equipped with just in one of which square frame
Face baffle, the front baffle thicken side plate by two and are fixed on square frame, described two square frames
Bottom be equipped with bottom baffle.
Further, the steel pipe column has 10, and two row arrangements often show 5 steel pipe columns, the steel pipe column diameter
For 1300mm.
Further, between two strutbeams, the steel truss also gap setting exists the steel truss gap setting
Between two protection strutbeams.
The realization process of the utility model is as follows：This height-limiting frame uses the form of suspension bridge, height-limiting frame to be provided in main line
The left and right sides of bridge, it is as the protection to main line bridge, different from common suspension bridge, it hangs and sets under the main push-towing rope of height-limiting frame
It is steel truss, the both sides in the two sides in river are arranged for intercepting excessively high ship, Sarasota in steel truss, and auxiliary Sarasota is arranged in water,
Sarasota is equipped with girder, and main push-towing rope is hung on girder, and the both ends of main push-towing rope are fixed in anchorage room, and girder plays support and by main push-towing rope
The function of hang-up, auxiliary Sarasota are mainly used for preventing steel truss from shaking, and assist two of Sarasota that strutbeam is protected to enhance steel truss
Intensity when being hit by bridge, it should be noted that there are left and right gaps for steel truss and two protection strutbeams and two strutbeams, and
Steel truss is vacantly hung up with hoist cable again, so when there is ship to bump against on steel truss, steel truss may occur in which a degree of
It swings, slows down the impact force of ship, while the gap between steel truss and opposite protection strutbeam and strutbeam should not be too large, hoist cable
The swing angle of left and right is less than 10 degree, when swing angle is more than 10 degree, protects the internal stress of strutbeam and strutbeam that will drastically increase
Greatly, it is unfavorable for Sarasota and assists the stabilization of Sarasota.
Smart stay cable system is equipped in anchorage room, the smart stay cable system includes device for measuring force, anchorage, folding and unfolding dress
It sets, feedback control center, when ship hits steel truss, the pulling force on main push-towing rope increases suddenly, if using common anchor
Heavy stone used as an anchor mode fixes main push-towing rope, cannot eliminate momentum caused by being hit suddenly by ship, can not be repaiied to being generated at the anchorage of main push-towing rope
Multiple damage, smart stay cable system is exactly for eliminating huge momentum caused by shock suddenly, when ship strikes steel truss,
Device for measuring force detects that stress increases suddenly, and feedback control center sends out order, and draw off gear control anchorage is released a part and gone out
Cable is to eliminate huge momentum, since the swing angle of hoist cable or so is less than 10 degree, so when hoist cable and vertical direction are in 5 degree of angles
Steel truss strikes on protection strutbeam and strutbeam, and impact force is by protection strutbeam and strutbeam shared at this time, the inside on main push-towing rope
Pulling force will not further increase, and feedback control center receives device for measuring force signal, and draw off gear will no longer decontrol main push-towing rope, when shock ship
When far from steel truss, hoist cable is restored to vertical state, and device for measuring force detects that internal stress becomes smaller, the control of feedback control center
Main push-towing rope is withdrawn a part by draw off gear, reverts to original state.
Steel truss structure type height-limiting frame purpose is to intercept excessively high ship outside height-limiting frame, since height-limiting frame setting exists
The left and right sides of main line bridge, so need to only consider the ship passage situation to pass through from the direction, therefore in the side of truss section
It is equipped with front baffle and bottom baffle with bottom surface, it is contemplated that generally with front baffle head-on crash can occur for ship, to buffer just
The impact force of face collision, therefore front baffle is fixed on square frame by 2 thickening side plates.By ansys finite element analyses
The structure of steel truss has very high intensity to the impact from front baffle, can deal with the collision accident to take place frequently.
The beneficial effects of the utility model are：Ensure that excessively high ship rests on outside main line bridge, itself has higher
Structural strength can deal with the collision accident to take place frequently, ensure the safety of main line bridge.
Description of the drawings
Fig. 1 is the horizontal layout schematic diagram of specific embodiment.
Fig. 2 is the elevational schematic view of specific embodiment.
Fig. 3 is the side schematic view of specific embodiment.
Fig. 4 is the stereogram of the truss section of specific embodiment.
Specific implementation mode
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
The utility model advantageous effect is：
Drag-line height-limiting frame, including height-limiting frame ontology, the height-limiting frame ontology are arranged in the left and right sides of bridge, limit for height
Frame ontology includes steel truss 11, main push-towing rope 17, hoist cable 19, anchorage room 15, Sarasota, Sarasota, the Sarasota is assisted to be set in " door " font
It sets in two sides, the main push-towing rope 17 has two to be fixed on Sarasota, and the both ends of main push-towing rope 17 are fixed in anchorage room 15, the master
Cable 17 has several hoist cables 19, and 19 lower end of hoist cable connects steel truss 11, and the auxiliary Sarasota is arranged in water, institute
The Sarasota stated includes 18, two strutbeams 12, steel pipe columns 13 of concrete bearing platform, and described two strutbeams 12 are arranged in concrete bearing platform
On 18, the steel pipe column 13 is arranged under concrete bearing platform 18, and girder 22 is equipped between described two strutbeams 12, described
Main push-towing rope 17 rides upon on girder 22, and protective case 23 is arranged on the strutbeam 12, and being equipped with intelligence in the anchorage room 15 draws
Cable system, the smart stay cable system include device for measuring force 14, anchorage 26, draw off gear 16, feedback control center, described
Assist Sarasota at least one, the auxiliary Sarasota include auxiliary cushion cap 24, protection strutbeam 21, steel pipe foundation 25, it is described
Protecting strutbeam 21, there are two settings on auxiliary cushion cap 24, and the steel pipe foundation 25 is arranged in the case where assisting cushion cap 24, described
Steel truss is erected between two strutbeams 12, and protection strutbeam is arranged in 11 both sides of steel truss.11 gap setting of steel truss
Between two strutbeams 12, between also gap setting protects strutbeam 21 at two, the hoist cable 19 exists the steel truss 11
Horizontal hunting angle of the steel truss 11 in gap is less than 10 degree.
The steel truss 11 is made of truss section array, and the truss section 7 includes two square frames, described
It is equipped with diagonal cross 6 in six of two square frames positive aspects, one just in described two square frames
The positive aspect of one of square frame 1 and the square face paste of another square frame 8 close to form public positive aspect, and described is public
Positive aspect is equipped with public cross 9, in one of which square frame 8 it is opposite with public positive aspect it is positive in terms of on set
There are front baffle 3, the front baffle 3 to thicken side plate by two and be fixed on square frame 8, described two pros
The bottom of shape frame is equipped with bottom baffle 4.The steel pipe column 13 has 10, and two row arrangements often show 5 steel pipe columns 13, institute
The 13 a diameter of 1300mm of steel pipe column stated.
Height-limiting frame is provided in the left and right sides of main line bridge, as the protection to main line bridge, with common suspension cable
Bridge is different, and it is steel truss 11 to hang set under the main push-towing rope 17 of height-limiting frame, and steel truss 11 is arranged for intercepting excessively high ship, Sarasota in river
Two sides both sides, in water, Sarasota is equipped with girder 22 to the setting of auxiliary Sarasota, and main push-towing rope 17 is hung on girder 22, main push-towing rope 17
Both ends be fixed on the anchorage 26 in anchorage room 15, girder 17 plays the function of supporting and hang up main push-towing rope 17, assists Sarasota master
It is used to prevent steel truss 11 from shaking, assists two protection strutbeams 21 of Sarasota to enhance strong when steel truss is hit by bridge
Degree, wherein there are left and right gaps for steel truss 11 and two protection strutbeams 21 and two strutbeams 12, and steel truss 11 is to use hoist cable
It vacantly hangs up, so when there is ship to bump against on steel truss 11, steel truss 11 may occur in which a degree of swing, slow down ship
Impact force, while the gap between steel truss 11 and opposite protection strutbeam 21 and strutbeam 12 should not be too large, general steel truss
11 when swinging, and the swing angle of hoist cable 19 or so is less than 10 degree, when swing angle is more than 10 degree, protection strutbeam and strutbeam it is interior
Portion's stress will increased dramatically, and be unfavorable for Sarasota and assist the stabilization of Sarasota.
Smart stay cable system is equipped in anchorage room 15, the smart stay cable system includes device for measuring force 14, anchorage 26, receives
Device 16, feedback control center are put, when ship hits steel truss 11, the pulling force on main push-towing rope 17 increases suddenly, if adopted
Main push-towing rope 17 is fixed with common anchorage mode, momentum caused by being hit suddenly by ship cannot be eliminated, to the anchor of main push-towing rope 17
Unrepairable damage is generated at heavy stone used as an anchor 26, smart stay cable system exactly for eliminating huge momentum caused by shock suddenly, works as ship
When only striking steel truss 11, device for measuring force 14 detects that stress increases suddenly, and feedback control center sends out order, draw off gear
16 control anchorages 26 release a part and go out main push-towing rope 17 to eliminate huge momentum, since the swing angle of hoist cable 19 or so is less than 10
Degree, so steel truss strikes on protection strutbeam and strutbeam when hoist cable and vertical direction are in 5 degree of angles, impact force is by protecting at this time
12 shared of strutbeam 21 and strutbeam, the internal tension on main push-towing rope 17 will not further increase, and feedback control center receives device for measuring force
14 signals, draw off gear 16 will no longer decontrol main push-towing rope 17, and when hitting ship far from steel truss 11, hoist cable 19 is restored to vertically
State, device for measuring force 14 detect that internal stress becomes smaller, and feedback control center controls draw off gear and main push-towing rope is withdrawn a part, also
Original arrives original state.
Since height-limiting frame is arranged in the left and right sides of main line bridge, so need to only consider that the ship to pass through from the direction is logical
Market condition, therefore it is equipped with front baffle 3 and bottom baffle 4 in the side of truss section 7 and bottom surface, it is contemplated that ship generally can be with front
Head-on crash occurs for baffle 3, and to buffer the impact force of head-on crash, therefore front baffle is fixed on pros by 2 thickening side plates 5
Body frame.There is very high intensity to the impact from front baffle 3 by the structure of ansys finite element analyses steel truss 11,
The collision accident to take place frequently can be dealt with.
The beneficial effects of the utility model are：Ensure that excessively high ship rests on outside main line bridge, itself has higher
Structural strength can deal with the collision accident to take place frequently, ensure the safety of main line bridge.
Claims (4)
1. drag-line height-limiting frame, it is characterised in that：Including height-limiting frame ontology, the height-limiting frame ontology is arranged in the left and right of bridge
Both sides, height-limiting frame ontology include steel truss, main push-towing rope, hoist cable, anchorage room, Sarasota, Sarasota, the Sarasota are assisted to be set in " door " font
It sets in two sides, the main push-towing rope has two to be fixed on Sarasota, and the both ends of main push-towing rope are fixed in anchorage room, and the main push-towing rope is divided into
There are several hoist cables, the hoist cable lower end to connect steel truss, the auxiliary Sarasota is arranged in water, and the Sarasota includes mixed
Solidifying soil cushion cap, two strutbeams, steel pipe columns, described two strutbeams are arranged on concrete bearing platform, between described two strutbeams
Equipped with girder, the main push-towing rope rides upon on girder, and the steel pipe column is arranged under concrete bearing platform, is covered on the strutbeam
Equipped with protective case, smart stay cable system is equipped in the anchorage room, the smart stay cable system includes device for measuring force, anchor
Heavy stone used as an anchor, draw off gear, feedback control center, the auxiliary Sarasota at least one, the auxiliary Sarasota include auxiliary cushion cap,
Strutbeam, steel pipe foundation are protected, there are two settings on auxiliary cushion cap for the protection strutbeam, and the steel pipe foundation is arranged auxiliary
It helps under cushion cap, the steel truss is erected between two strutbeams, and protection strutbeam is arranged in steel truss both sides.
2. drag-line height-limiting frame according to claim 1, it is characterised in that：The steel truss is by truss section array group
At the truss section includes two square frames, is equipped in six positive aspects of the square frame diagonal
Cross, in described two square frames the positive aspect of one of a square frame with another square frame just
Aspect is bonded to form public positive aspect, and the public positive aspect is equipped with public cross, one of which square frame
The positive aspect opposite with public positive aspect is equipped with front baffle in frame, and the front baffle thickeies side plate by two to be fixed
On square frame, the bottom of described two square frames is equipped with bottom baffle.
3. drag-line height-limiting frame according to claim 1, it is characterised in that：The steel pipe column has 10, and two row are arranged,
Often show 5 steel pipe columns, a diameter of 1300mm of the steel pipe column.
4. drag-line height-limiting frame according to claim 1, it is characterised in that：The steel truss gap setting is in two branch
Between beam, between the steel truss also gap setting protects strutbeam at two, the hoist cable is in steel truss in gap
Swing angle is less than 10 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232970.XU CN207739127U (en) | 2017-09-25 | 2017-09-25 | Drag-line height-limiting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232970.XU CN207739127U (en) | 2017-09-25 | 2017-09-25 | Drag-line height-limiting frame |
Publications (1)
| Publication Number | Publication Date |
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| CN207739127U true CN207739127U (en) | 2018-08-17 |
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ID=63115100
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721232970.XU Active CN207739127U (en) | 2017-09-25 | 2017-09-25 | Drag-line height-limiting frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558353A (en) * | 2017-09-25 | 2018-01-09 | 中铁建港航局集团勘察设计院有限公司 | Drag-line height-limiting frame |
-
2017
- 2017-09-25 CN CN201721232970.XU patent/CN207739127U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558353A (en) * | 2017-09-25 | 2018-01-09 | 中铁建港航局集团勘察设计院有限公司 | Drag-line height-limiting frame |
| CN107558353B (en) * | 2017-09-25 | 2024-03-22 | 中铁建港航局集团勘察设计院有限公司 | Inhaul cable type height limiting frame |
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