CN104213512B - Fortune frame railway D beam one chassis and D beam installation method - Google Patents
Fortune frame railway D beam one chassis and D beam installation method Download PDFInfo
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- CN104213512B CN104213512B CN201410492615.0A CN201410492615A CN104213512B CN 104213512 B CN104213512 B CN 104213512B CN 201410492615 A CN201410492615 A CN 201410492615A CN 104213512 B CN104213512 B CN 104213512B
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Abstract
The present invention relates to a kind of method transporting frame railway D beam one chassis and installation D beam. The walking system of fortune frame railway D beam one chassis divides upper strata vehicle frame and lower floor's vehicle frame, and two-layer central frame beam is connected by pin, and vehicle frame is fitted with travelling wheel; Prop up support system to be made up of steel pipe column and crossbeam; Wherein steel pipe column includes two parts, and a part is chassis steel pipe column, is fixed on upper strata central frame beam; Another part is supporting steel tubing string, is located at D beam reinforcing place railway both sides, each 1 of each chassis both sides; Being provided with pin in the middle of crossbeam, pin inserts chassis steel pipe column top end; Lift-on/Lift-off System is made up of chain block and bracket earrings. Sliding system is made up of slide block and Lever Blocks. Often group 2 chassis of beam, a chassis once sets up or removes one group or two panels D beam, it may be achieved " horizontal stroke-vertical-horizontal " sliding of D beam, lifting is installed or dismounting D beam is in place.
Description
Technical field
The present invention relates to the D beam in a kind of railway construction field to install, specifically, be a kind of chassis transporting frame railway D beam and D beam method.
Background technology
Along with the high speed development of railway, railway operation is more and more higher to the requirement of construction safety, and undercrossing tunnel carries out bridges and culverts construction, no matter cast-in-place or jacking, and railway D beam is widely used in that railway is built on stilts to be reinforced more and more.
For ensureing existing railway operation and safety, under existing railway when excavation of foundation pit, bridges and culverts cast-in-place construction, adopting railway D beam that railway is maked somebody a mere figurehead reinforcing is a kind of conventional construction method, generally adopts truck crane to carry out installation and the dismounting of D beam. For railway terminal area, station track is many, and contact net power failure coverage is big, construction " skylight point " time is short, traditional truck crane cannot meet span big, apart from remote requirement, track crane needs contact net to have a power failure, dial to move and coordinate, time is short, complex procedures, it is impossible to meet construction demand.
During the southern station combined test of newly-built high ferro Taiyuan, opening operation, genuine at the newly-increased 1-6m synthetic job of south throat, long 220m, under wear 22 station tracks, when not affecting operation, adopt 24mD beam to carry out fixed track usage plan reinforcing on railway, be then carried out below excavation of foundation pit, synthetic job tunnel cast-in-place construction at D beam. Owing to cross-line station track is many, D beam lifts beyond truck crane boundary of works area, it is impossible to carries out vapour and hangs construction; Railway electrification track operation car is adopted to carry out lifting construction, contact net is needed to have a power failure, simultaneously operation section need to carrying out bracket dismounting in contact net point, shifting dialled by netting twine and recovers construction, contact net power failure range is big, hinge transport impact is big, " skylight point " time short (1 hour), it is impossible to meet construction demand.If contact net does not need to have a power failure, " skylight point " time can extend to 3 hours, and the engineering time is greatly increased.
Summary of the invention
The technical problem to be solved is to provide a kind of fortune frame railway D beam one chassis, substitutes truck crane, it is achieved " horizontal-vertical-horizontal " sliding of D beam and D beam lift in groups.
For solving above to hold art problem, the technical solution used in the present invention is:
A kind of fortune frame railway D beam one chassis, including walking system, a support system, Lift-on/Lift-off System and sliding system,
Walking system, point upper strata vehicle frame and lower floor's vehicle frame, two-layer central frame beam is connected by pin, and vehicle frame is fitted with travelling wheel;
Prop up support system, be made up of steel pipe column and crossbeam;
Wherein steel pipe column includes two parts, and a part is chassis steel pipe column, is fixed on upper strata central frame beam; Another part is supporting steel tubing string, is located at D beam reinforcing place railway both sides, each 1 of each chassis both sides;
Being provided with pin in the middle of crossbeam, pin inserts chassis steel pipe column top end;
Lift-on/Lift-off System, is made up of chain block and bracket earrings;
Each chassis crossbeam is installed 2 groups of chain blocks, is respectively arranged on chassis steel pipe column both sides, 1 group, every side;
Bracket earrings is installed on the floor of D beam both sides lifting place, 4, every beam, is connected with chain block;
Sliding system, is made up of slide block and Lever Blocks;
Installing two slide blocks on each chassis crossbeam, lay respectively at chassis steel pipe column both sides, slide block lower end sets chain block suspension centre and connects chain block,
1 Lever Blocks is installed on each slide block top.
As the preferred scheme of one, supporting steel tubing string underlay two-layer chock, set 3 steel pipe bearing diagonals outside each supporting steel tubing string, to guarantee supporting steel pipe column stability.
As the preferred scheme of one, setting polyvinyl fluoride plate in slide block, crossbeam top sets corrosion resistant plate, spreads butter during construction, to reduce frictional resistance.
As the preferred scheme of one, also include the aid system being made up of jack, crossbeam steel tubular handrailing.
The present invention also provides for a kind of method utilizing fortune frame railway D beam one chassis to install D beam simultaneously, it is characterised in that include step:
(1) outer preparation
Set up cross slide way: utilize sleeper to set up two row's horizontal sliding tracks between spacious place and line outside circuit;
Installation exercise chassis: lay Mobile workbench outside circuit, on cross slide way, the per pass section of track is put a chassis, and chassis installs crossbeam 5, slide block 10 and chain block 8, Lever Blocks 11;
D beam 13 hangs: adopt a truck crane, two panels D beam 13 is hung on chassis, two panels D beam 13 lays respectively at chassis steel pipe column 6 both sides, and two panels D beam 13 two ends adopt stringing hoop to reinforce together, and every D beam 13 installs lifting bracket earrings 9 on Hoisting Position place floor;
Preparation set up by steel pipe column: reinforce circuit both sides, place at D beam, sets up supporting steel tubing string 7 bottom chock 14, supporting steel tubing string 7 and bearing diagonal 12 transport in advance and puts in place;
Jack prepares: hydraulic jack being transported circuit vertical shift place in advance, installs oil pipe and oil pump, hand-operated jack is fixed on chassis in advance;
(2) work flow in
Traversing: cross slide way connects, follows closely solid rail �� transverse-moving trolley to vertical shift circuit place �� rotating lower vehicle frame 2, micro-moving stage car, the adjustment urgent horizontal road wheel of wheel direction �� timber wedge, fixed lateral position;
Vertical shift: outside upper strata vehicle frame 1 the jack-up chassis of hydraulic jack mounted below �� successively, extract cross slide way, return back to top fall on vertical shift railway �� vertical shift chassis kills lengthwise rows travelling wheel, fixing lengthwise position to D beam reinforcing place, timber wedge;
Horizontal sliding, whereabouts D beam 13: swing bolster 5 to horizontal path direction, untie D beam 13 two ends stringing hoop �� reinforcing, connecting cross beam 5 and circuit supported on both sides steel pipe column 7 �� mobile slide block 10, connect chain block 8, bracket earrings 9 �� manually pull successively chain block 8 hoists D beam 13, make D beam 13 end depart from chassis �� artificial pull on crossbeam 5 top successively outside Lever Blocks 11 sliding D beam 13 to steel sleeper �� manually draw chain block 8, whereabouts D beam 13;
Travelling backwards chassis: after D beam 13 is in place, travelling backwards slide block 10, swing bolster 5 to parallel circuit direction �� fixed cross beam 5, install crossbeam steel tubular handrailing �� vertical shift chassis to cross slide way place �� set special messenger hold up steady crossbeam steel tubular handrailing, utilize artificial jack-up chassis �� installations of hand-operated jack, connect cross slide way �� fallings jack, make chassis fall on cross slide way �� outside transverse-moving trolley to outside circuit, timber wedge kills, fixes chassis.
The present invention is portable fortune, the frame of railway D beam, tears institutional operation chassis open, often group 2 chassis of beam, one chassis once sets up or removes one group or two panels D beam, " horizontal-vertical-horizontal " sliding of D beam can be realized, it is in place that (or dismounting) D beam is installed in lifting, cut down the number of intermediate links and operation, reduce D beam and rise and fall the unstable risk easily toppled over, solve the many station tracks of terminals railway D girder span and reinforce difficult problem. Have a power failure without contact net, greatly release railway transport capacity, do not limited by station track, reduce workmen, save the engineering time.
The present invention is suitable for yard D beam strengthening construction, and interval single line construction is equally applicable, is particularly suited for station bottleneck district, and railway station track is many, and truck crane cannot complete construction, the construction that contact net power failure simultaneously is bigger on transport impact.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention transports frame railway D beam one chassis.
Fig. 2 is the A-A sectional view of Fig. 1.
In figure, 1-upper strata vehicle frame, 2-lower floor vehicle frame, 3-pin, 4-travelling wheel, 5-crossbeam, 6-chassis steel pipe column, 7-supporting steel tubing string, 8-chain block, 9-bracket earrings, 10-slide block, 11-Lever Blocks, 12-bearing diagonal, 13-D beam, 14-chock.
Detailed description of the invention
Below in conjunction with accompanying drawing, claimed technical scheme is done explanation clear, complete further.
Fortune frame railway D beam of the present invention one chassis, including walking system, a support system, Lift-on/Lift-off System and sliding system.
One, walking system
Dividing upper strata vehicle frame 1 and lower floor's vehicle frame 2, two-layer central frame beam is connected by pin 3, and vehicle frame is fitted with travelling wheel 4. Upper strata vehicle frame 1 is vertical railway transverse direction running part, long (vertical railway direction) 3m, wide 1.6m. Lower floor's vehicle frame 2 is downline road vertical shift running part, long (rail track direction) 2.4m, wide 1.6m, upper and lower two-layer vehicle frame total height 0.54m. Upper and lower two-layer central frame beam sets steel column pin 3 and connects, in order to two-layer vehicle frame can rotate mutually up and down, according to on-site actual situations adjustment direction at any time.
Travelling wheel 4 adopts single-track to take turns, and the horizontal walking rails wheel on upper strata vehicle frame 1 adopts �� 325mm, and the longitudinal walking rails wheel on lower floor's vehicle frame 2 adopts �� 200mm, axletree respectively �� 80mm, �� 70mm.
Two, a support system
It is made up of steel pipe column and crossbeam 5.
Wherein, steel pipe column includes two parts, and a part is chassis steel pipe column 6, is fixed in the middle of upper strata vehicle frame 1, adopts ring flange to be connected with upper strata vehicle frame 1, and chassis steel pipe column 6 adopts �� 320mm, high 1500mm.Another part is supporting steel tubing string 7, is located at D beam reinforcing place railway both sides, each 1 of each chassis both sides, and totally 4, supporting steel tubing string 7 adopts �� 320mm, height 2500mm. Supporting steel tubing string 7 underlay two-layer chock 14, sets 3 �� 60 steel pipe bearing diagonals 12, with true supporting steel pipe column stability outside each supporting steel tubing string 7.
Crossbeam adopts 2 I200mm I-steel welderings even to combine, long 7000mm, and wide 300mm is provided with pin in the middle of crossbeam 5, and pin inserts chassis steel pipe column top end, it is possible to all-direction rotation.
Three, Lift-on/Lift-off System
It is made up of chain block 8 and bracket earrings 9;
Installing 2 groups of 10T chain blocks 8 on each chassis crossbeam 5, often group 2, is respectively arranged on chassis steel pipe column 6 both sides, 1 group, every side by totally 4;
Making 8 liftings with bracket earrings 9, bracket earrings 9 is installed on the floor of D beam both sides lifting place, 4, every beam, is connected with chain block 8;
Four, sliding system
It is made up of slide block 10 and Lever Blocks 11;
Slide block rustless steel is made, and each chassis crossbeam 5 is installed two slide blocks 10, lays respectively at chassis steel pipe column 6 both sides, and slide block 10 lower end sets chain block suspension centre and connects chain block 8, and each slide block installs two chain blocks 8. Setting polyvinyl fluoride plate in slide block 10, crossbeam 5 top sets corrosion resistant plate, spreads butter, to reduce frictional resistance during construction.
1 1.5T Lever Blocks 11 is installed on each slide block 10 top, by Lever Blocks 11 lateral pull, makes slide block 10 sliding, thus transverse shifting D beam 13.
On the basis of above structure, the present invention is also provided with aid system.
Five, aid system
It is made up of hydraulic jack, hand-operated jack and crossbeam steel tubular handrailing.
Hydraulic jack: after D beam is placed on chassis, chassis is traversing to vertical shift track place, and each chassis need to adopt 2 hydraulic jack, and every jack is not less than 15T and pushes up power, jack-up chassis and D beam, to extract or erection cross slide way.
Hand-operated jack: empty station car laterally into and out of time, each chassis need to adopt 4 hand-operated jacks, and every top power is not less than 1T, and jack-up chassis, to extract (or erection) cross slide way.
Crossbeam steel tubular handrailing: steel tubular handrailing blocks crossbeam I-steel base plate, be mainly used in empty station car laterally into and out of time, particularly during hand-operated jack jack-up empty station car, set for guaranteeing chassis and crossbeam longitudinal stability.
The work process of chassis of the present invention is described below in conjunction with an example.
The newly-increased DK219+219(1-6.0m of southern station, reconstructed railway hinge Taiyuan and south, southern station, correlation engineering Taiyuan throat) synthetic job is genuine, cross stone too, big west two big yard, amount to 22 station tracks, employing 24mD beam hardened link in construction. Below to install D beam 13, it is specifically described as follows:
(1) outer preparation
Set up cross slide way: utilizing sleeper to set up two row's horizontal sliding tracks between spacious place and line outside circuit, rail adopts 50kg/m, guide rail longitudinal pitch 12.06m.
Installation exercise chassis: lay Mobile workbench outside circuit, on cross slide way, the per pass section of track is put a chassis. Chassis installs crossbeam 5, slide block 10 and chain block 8, Lever Blocks 11.
D beam 13 hangs: adopt a 50T truck crane, two panels D beam 13 is hung on chassis, two panels D beam 13 lays respectively at chassis steel pipe column 6 both sides, and two panels D beam 13 two ends adopt stringing hoop to reinforce together, and every D beam 13 installs lifting bracket earrings 9 on Hoisting Position place floor.
Preparation set up by steel pipe column: reinforce circuit both sides, place at D beam, sets up supporting steel tubing string 7 bottom chock 14, supporting steel tubing string 7 and bearing diagonal 12 transport in advance and puts in place.
Jack prepares: hydraulic jack being transported circuit vertical shift place in advance, installs oil pipe and oil pump, hand-operated jack is fixed on chassis in advance.
(2) work flow in
Traversing: cross slide way connects, follows closely solid rail �� transverse-moving trolley to vertical shift circuit place �� rotating lower vehicle frame 2, micro-moving stage car, the adjustment urgent horizontal road wheel of wheel direction �� timber wedge, fixed lateral position;
Vertical shift: outside upper strata vehicle frame 1 the jack-up chassis of hydraulic jack mounted below �� successively, extract cross slide way, return back to top fall on vertical shift railway �� vertical shift chassis kills lengthwise rows travelling wheel, fixing lengthwise position to D beam reinforcing place, timber wedge;
Horizontal sliding, whereabouts D beam 13: swing bolster 5 to horizontal path direction, untie D beam 13 two ends stringing hoop �� reinforcing, connecting cross beam 5 and circuit supported on both sides steel pipe column 7 �� mobile slide block 10, connect chain block 8, bracket earrings 9 �� manually pull successively chain block 8 hoists D beam 13, make D beam 13 end depart from chassis �� artificial pull on crossbeam 5 top successively outside Lever Blocks 11 sliding D beam 13 to steel sleeper �� manually draw chain block 8, whereabouts D beam 13;
Travelling backwards chassis: after D beam 13 is in place, travelling backwards slide block 10, swing bolster 5 to parallel circuit direction �� fixed cross beam 5, install crossbeam steel tubular handrailing �� vertical shift chassis to cross slide way place �� set special messenger hold up steady crossbeam steel tubular handrailing, utilize artificial jack-up chassis �� installations of hand-operated jack, connect cross slide way �� fallings jack, make chassis fall on cross slide way �� outside transverse-moving trolley to outside circuit, timber wedge kills, fixes chassis.
(3) key points for operation and points for attention
Cross slide way section of track spacing accurately to be fixed, and according to two, D beam lifting point place floor space, determines section of track spacing in advance, and to guarantee that chassis center is corresponding with D beam suspension centre, circuit both sides steel pipe column is corresponding with D beam suspension centre floor.
D beam 13 to synchronize during transverse-moving trolley on chassis, steadily, at a slow speed, it is ensured that safety.
Measure that chassis is traversing, vertical shift position in advance, it is ensured that para-position is accurate, quickly carries out next procedure.
When adopting hydraulic jack jack-up D beam 13, two chassis can not synchronize, and after will first completing a chassis, then carries out the jack-up of another chassis, falling, it is ensured that steady, the safety of D beam 13.
Owing between cross slide way and vertical line, angle is uncertain, therefore, each transverse-moving trolley makes a check mark after being located on vertical shift circuit on chassis, it is determined that the relative position relation of chassis up and down, to guarantee rapid-aligning during travelling backwards chassis.
When empty wagons vertical shift, traversing, jack-up, falling, chassis both sides must set special messenger and buttress crossbeam steel tubular handrailing, it is ensured that chassis is steady.
D beam 13 promotes, sliding, in dropping process, will set special messenger and check that whether the steel pipe column bearing diagonal 12 of circuit both sides is firm, it is ensured that supporting steel tubing string 7 consolidates.
D beam 13 promotes, to assume unified command of, to act in agreement in sliding, whereabouts, arranges special messenger two ends to hold up steady D beam 13 simultaneously, rocks amplitude reducing D beam 13, it is ensured that safety.
Check chain block 8, Lever Blocks 11 before construction, it is ensured that intact, carry out emergent spare unit simultaneously.
In constructing in synthetic job tunnel, southern station, Taiyuan, this equipment safely and conveniently completes installation and the dismounting of 8 groups of D beams, and each engineering time basic controlling is in the 1.5-2 little time.
Claims (3)
1. a fortune frame railway D beam one chassis, including walking system, a support system, Lift-on/Lift-off System and sliding system,
Walking system, point upper strata vehicle frame (1) and lower floor's vehicle frame (2), two-layer central frame beam is connected by pin (3), and vehicle frame is fitted with travelling wheel (4);
Prop up support system, be made up of steel pipe column and crossbeam (5);
Wherein steel pipe column includes two parts, and a part is chassis steel pipe column (6), is fixed in the middle of upper strata vehicle frame (1); Another part is supporting steel tubing string (7), is located at D beam reinforcing place railway both sides, each 1 of each chassis both sides; Supporting steel tubing string (7) underlay two-layer chock (14), each supporting steel tubing string (7) outside sets 3 steel pipe bearing diagonals (12);
Being provided with pin in the middle of crossbeam (5), pin inserts chassis steel pipe column top end;
Lift-on/Lift-off System, is made up of chain block (8) and bracket earrings (9);
Each chassis crossbeam (5) is upper installs 2 groups of chain blocks (8), is respectively arranged on chassis steel pipe column (6) both sides, 1 group, every side;
Bracket earrings (9) is installed on the floor of D beam both sides lifting place, 4, every beam, is connected with chain block (8);
Sliding system, is made up of slide block (10) and Lever Blocks (11);
Each chassis crossbeam (5) is upper installs two slide blocks (10), lays respectively at chassis steel pipe column (6) both sides, and slide block (10) lower end sets chain block suspension centre and connects chain block (8),
1 Lever Blocks (11) is installed on each slide block top;
Also include the aid system being made up of jack and crossbeam steel tubular handrailing.
2. fortune frame railway D beam according to claim 1 one chassis, it is characterised in that: setting polyvinyl fluoride plate in slide block (10), crossbeam (5) top sets corrosion resistant plate.
3. one kind utilizes the method that D beam installed by fortune frame railway D beam one chassis, it is characterised in that include step:
(1) outer preparation
Set up cross slide way: utilize sleeper to set up two row's horizontal sliding tracks between spacious place and line outside circuit;
Installation exercise chassis: lay Mobile workbench outside circuit, on cross slide way, the per pass section of track is put a chassis, and chassis installs crossbeam (5), slide block (10) and chain block (8), Lever Blocks (11);
D beam (13) hangs: adopt a truck crane, two panels D beam (13) is hung on chassis, two panels D beam (13) lays respectively at chassis steel pipe column (6) both sides, two panels D beam (13) two ends adopt stringing hoop to reinforce together, and every D beam (13) installs lifting bracket earrings (9) on Hoisting Position place floor;
Preparation set up by steel pipe column: reinforce circuit both sides, place at D beam, sets up supporting steel tubing string (7) bottom chock (14), supporting steel tubing string (7) and bearing diagonal (12) transport in advance and puts in place;
Jack prepares: hydraulic jack being transported circuit vertical shift place in advance, installs oil pipe and oil pump, hand-operated jack is fixed on chassis in advance;
(2) work flow in
Traversing: cross slide way connects, the solid rail �� transverse-moving trolley of nail to vertical shift circuit place �� rotating lower vehicle frame (2), micro-moving stage car, adjust the urgent horizontal road wheel of wheel direction �� timber wedge, fixed lateral position;
Vertical shift: upper strata vehicle frame (1) the outside jack-up chassis of hydraulic jack mounted below �� successively, extract cross slide way, return back to top fall on vertical shift railway �� vertical shift chassis kills lengthwise rows travelling wheel, fixing lengthwise position to D beam reinforcing place, timber wedge;
Horizontal sliding, whereabouts D beam (13): swing bolster (5) to horizontal path direction, untie D beam (13) two ends stringing hoop �� reinforcing, connecting cross beam (5) and circuit supported on both sides steel pipe column (7) �� movement slide block (10), connect chain block (8), bracket earrings (9) �� manually pull successively chain block (8) hoists D beam (13), make D beam (13) end depart from chassis �� artificial pull on crossbeam (5) top successively Lever Blocks (11) sliding D beam (13) to outside steel sleeper �� manually draw chain block (8), whereabouts D beam (13);
Travelling backwards chassis: after D beam (13) is in place, travelling backwards slide block (10), swing bolster (5) to parallel circuit direction �� fixed cross beam (5) �� vertical shift chassis to cross slide way place �� the utilize artificial jack-up chassis �� installation of hand-operated jack, connect cross slide way �� fallings jack, make chassis fall on cross slide way �� outwards transverse-moving trolley to outside circuit, timber wedge kills, fixes chassis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410492615.0A CN104213512B (en) | 2014-09-24 | 2014-09-24 | Fortune frame railway D beam one chassis and D beam installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410492615.0A CN104213512B (en) | 2014-09-24 | 2014-09-24 | Fortune frame railway D beam one chassis and D beam installation method |
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| CN104213512A CN104213512A (en) | 2014-12-17 |
| CN104213512B true CN104213512B (en) | 2016-06-08 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104612004B (en) * | 2015-01-24 | 2017-02-22 | 中铁六局集团有限公司 | Existing line D beam overall longitudinally-moving construction method |
| CN106743260B (en) * | 2017-01-20 | 2022-12-02 | 中国葛洲坝集团股份有限公司 | Pressure steel pipe hole transportation device and method for hole climbing transportation by using same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201704633U (en) * | 2010-03-05 | 2011-01-12 | 北京万桥兴业机械有限公司 | Mountainous multifunctional beam carrying and erecting machine |
| CN201770947U (en) * | 2010-05-19 | 2011-03-23 | 北京万桥兴业机械有限责任公司 | Displacement platform carrying and erecting integrated machine |
| JP2014080807A (en) * | 2012-10-17 | 2014-05-08 | Kajima Corp | Frame structure of rear tower of girder erection device |
| JP2014145231A (en) * | 2013-01-30 | 2014-08-14 | Kajima Corp | Girder suspension structure |
| CN204224995U (en) * | 2014-09-24 | 2015-03-25 | 中铁六局集团有限公司 | Fortune frame railway D beam one chassis |
-
2014
- 2014-09-24 CN CN201410492615.0A patent/CN104213512B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201704633U (en) * | 2010-03-05 | 2011-01-12 | 北京万桥兴业机械有限公司 | Mountainous multifunctional beam carrying and erecting machine |
| CN201770947U (en) * | 2010-05-19 | 2011-03-23 | 北京万桥兴业机械有限责任公司 | Displacement platform carrying and erecting integrated machine |
| JP2014080807A (en) * | 2012-10-17 | 2014-05-08 | Kajima Corp | Frame structure of rear tower of girder erection device |
| JP2014145231A (en) * | 2013-01-30 | 2014-08-14 | Kajima Corp | Girder suspension structure |
| CN204224995U (en) * | 2014-09-24 | 2015-03-25 | 中铁六局集团有限公司 | Fortune frame railway D beam one chassis |
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