CN105200923A - Hoisting device for steel truss sections of steel truss cable-stayed bridge and hoisting method of hoisting device - Google Patents
Hoisting device for steel truss sections of steel truss cable-stayed bridge and hoisting method of hoisting device Download PDFInfo
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- CN105200923A CN105200923A CN201510565310.2A CN201510565310A CN105200923A CN 105200923 A CN105200923 A CN 105200923A CN 201510565310 A CN201510565310 A CN 201510565310A CN 105200923 A CN105200923 A CN 105200923A
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Abstract
The invention discloses a hoisting device for steel truss sections of a steel truss cable-stayed bridge and a hoisting method of the hoisting device. The device comprises a longitudinal movement track (3), wherein a front truss transporting trolley (4) and a rear truss transporting trolley (5) are sequentially arranged on the longitudinal movement track (3); a vertical lifting hoist (6) is further arranged above the longitudinal movement track (3). The device and the method have the characteristics that the construction workload is reduced, the construction cost is reduced, the construction time is shortened and the construction efficiency is improved.
Description
Technical field
The present invention relates to a kind of handling apparatus of bridge construction field and handling method used thereof, particularly a kind of steel truss girder cable-stayed bridge steel truss girder sections handling apparatus and handling method thereof.
Background technology
Steel truss girder cable-stayed bridge is applied very extensive in modern bridge construction, its mainly contain span ability large, from heavy and light, be convenient to transport, be easy to the advantage of repairing and changing.But find in steel truss girder cable-stayed bridge is built, the handling trouble of steel truss girder sections, high to site requirements, make troubles to construction; The handling erection method of current steel truss girder sections mainly, by steel truss girder sections rod member to be assembled by ground transport to assembled position, sling with erection crane carry out assembled; By this kind of mode, need between steel truss girder sections and assembled position, to repair a road so that transport in advance, finishing road surface not only increases workload, but also can construction cost be increased, moreover, transport steel truss girder sections to be assembled back and forth, entrucking and the unloading operation of steel truss girder sections can be increased, this can extend the engineering time, reduces efficiency of construction, affects construction speed.
Summary of the invention
The object of the invention is to, a kind of steel truss girder cable-stayed bridge steel truss girder sections handling apparatus and handling method thereof are provided.The present invention has, the feature of reduce construction workload, reduce construction cost, shorten engineering time and raising efficiency of construction.
Technical scheme of the present invention: a kind of steel truss girder cable-stayed bridge steel truss girder sections handling apparatus, comprises vertical shift track, vertical shift track is provided with successively front fortune beam dolly and rear fortune beam dolly; Vertical-lift hoist engine is also provided with above described vertical shift track.
In aforesaid steel truss girder cable-stayed bridge steel truss girder sections handling apparatus, described vertical shift track is connected across steel truss girder sections in rail beam is with first, be provided with vertical-lift hoist engine across steel truss girder sections in first, in first, be also provided with erection crane across the top of steel truss girder sections; Described erection crane is respectively equipped with front lifting truck and rear lifting truck.
In aforesaid steel truss girder cable-stayed bridge steel truss girder sections handling apparatus, described vertical shift track is provided with the first removable stop; , the front of the first removable stop is provided with the second removable stop; The rear end of described front fortune beam dolly is provided with the 3rd removable stop.
Aforesaid steel truss girder cable-stayed bridge steel truss girder sections handling apparatus handling method used is:
The lifting hawser of a, vertical-lift hoist engine respectively with until in second of handling across the prerequisite hanging point on steel truss girder sections and after promote suspension centre and be connected, start vertical-lift hoist engine and be raised to predeterminated position by hanging across steel truss girder sections in second;
After b, arrival predeterminated position, front fortune beam dolly is connected across vertical shift suspension centre front on steel truss girder sections and rear vertical shift suspension centre with the second vertical shift hawser respectively with second with the first vertical shift hawser of rear fortune beam dolly; Pretension first vertical shift hawser and the second vertical shift hawser, after pretension, promote hawser and depart from prerequisite hanging point and rear lifting suspension centre;
C, front fortune beam dolly and rear fortune beam dolly be synchronous longitudinally reach on vertical shift track, carries out assembled by being transported to assembled position across steel truss girder sections in second in second across steel truss girder sections;
D, assembled complete after, front fortune beam dolly and rear fortune beam dolly return back to initial position along vertical shift track, complete once assembled operation.
More preferably, the handling method that aforesaid steel truss girder cable-stayed bridge steel truss girder sections handling apparatus is used is:
The lifting hawser of a, vertical-lift hoist engine respectively with until in second of handling across the prerequisite hanging point on steel truss girder sections and after promote suspension centre and be connected, start vertical-lift hoist engine and be raised to predeterminated position by hanging across steel truss girder sections in second;
After b, arrival predeterminated position, front fortune beam dolly is connected across vertical shift suspension centre front on steel truss girder sections and rear vertical shift suspension centre with the second vertical shift hawser respectively with second with the first vertical shift hawser of rear fortune beam dolly; Pretension first vertical shift hawser and the second vertical shift hawser, after pretension, promote hawser and depart from prerequisite hanging point and rear lifting suspension centre;
C, front fortune beam dolly and rear fortune beam dolly be synchronous longitudinally reach on vertical shift track, by when being transported to predeterminated position across steel truss girder sections in second, out of service the while of front fortune beam dolly and rear fortune beam dolly, front lifting truck and the rear lifting truck of erection crane run to relevant position, and front lifting truck is connected and pretension with prerequisite hanging point and rear lifting suspension centre with rear loop wheel machine hawser respectively with rear lifting truck front loop wheel machine hawser, after pretension, first vertical shift hawser and the second vertical shift hawser depart from front vertical shift suspension centre and rear vertical shift suspension centre respectively, afterwards, front lifting truck and the vertical shift simultaneously of rear lifting truck are undertaken assembled by being transported to assembled position across steel truss girder sections in second,
D, assembled complete after, front fortune beam dolly and rear fortune beam dolly return back to initial position along vertical shift track, complete once assembled operation.
More preferably, the handling method that aforesaid steel truss girder cable-stayed bridge steel truss girder sections handling apparatus is used is:
The lifting hawser of a, vertical-lift hoist engine respectively with until in second of handling across the prerequisite hanging point on steel truss girder sections and after promote suspension centre and be connected, start vertical-lift hoist engine and be raised to predeterminated position by hanging across steel truss girder sections in second;
After b, arrival predeterminated position, front fortune beam dolly is connected across vertical shift suspension centre front on steel truss girder sections and rear vertical shift suspension centre with the second vertical shift hawser respectively with second with the first vertical shift hawser of rear fortune beam dolly; Pretension first vertical shift hawser and the second vertical shift hawser, after pretension, promote hawser and depart from prerequisite hanging point and rear lifting suspension centre;
C, front fortune beam dolly and rear fortune beam dolly are synchronous on vertical shift track longitudinally to be run, when the front end of current fortune beam dolly touches the first removable stop on vertical shift track, front fortune beam dolly and rear fortune beam dolly out of service, front lifting truck and the rear lifting truck of erection crane run to relevant position, the front loop wheel machine hawser of front lifting truck is connected with prerequisite hanging point, loop wheel machine hawser before pretension, after pretension, first vertical shift hawser and the front vertical shift suspension centre of front fortune beam dolly depart from, and remove the first removable stop on vertical shift track;
D, after removing the first removable stop, front fortune beam dolly and rear fortune beam dolly continue reach along vertical shift track, front lifting truck and rear fortune beam dolly are distinguished in premenstrual loop wheel machine hawser and the synchronous handling second forward of the second vertical shift hawser across steel truss girder sections, when the front end of current fortune beam dolly touches the second removable stop, front fortune beam dolly is out of service, front lifting truck and rear fortune beam dolly continue to run, when the 3rd removable stop of fortune beam dolly rear end before rear fortune beam dolly front end touches, out of service the while of front lifting truck and rear fortune beam dolly, now, rear lifting truck moves to relevant position, rear loop wheel machine hawser on rear lifting truck is connected with the rear lifting suspension centre across steel truss girder sections in second, loop wheel machine hawser after pretension, after pretension, second vertical shift hawser and the rear vertical shift suspension centre of rear fortune beam dolly depart from, now, lifting truck and rear lifting truck respectively premenstrual loop wheel machine hawser and rear loop wheel machine hawser continue to be transported to assembled position across steel truss girder sections by second, front fortune beam dolly and rear fortune beam dolly return back to initial position, after moving forward to assembled position across steel truss girder sections in second, lifting truck and rear lifting truck promote in second across steel truss girder sections simultaneously, make it with first in across the split of steel truss girder sections, complete once assembled operation.
Compared with prior art, the present invention by arranging vertical shift track across on the rail beam of steel truss girder sections in first, beam dolly and rear fortune beam dolly is transported before arranging on vertical shift track again, vertical-lift hoist engine is sling in second across after steel truss girder sections through promoting hawser, replaced by the first vertical shift hawser of front fortune beam dolly and rear fortune beam dolly and the second vertical shift hawser and promote hawser, and be transported to assembled position by second across steel truss girder sections by front fortune beam dolly and rear fortune beam dolly; This structure and method of shipment, instead of ground transport mode, thus eliminate the operation on finishing road surface, effectively reduces the workload of construction, also reduce construction cost simultaneously.Moreover, the present invention, after steel truss girder sections is sling by the storage area of steel truss girder sections, without the need to loading and unloading again, effectively like this shortens the engineering time, improves efficiency of construction, accelerate construction speed.But find in practice, front fortune beam dolly and rear fortune beam dolly by after being transported to assembled position across steel truss girder sections in second, when assembled, directly use front fortune beam dolly and the assembled program of rear fortune beam dolly handling complicated, it is inconvenient to operate.Applicant devises a kind of to the suspension centre switching construction across steel truss girder sections in second for this reason, and this problem is well solved, its concrete structure and mode of operation are, time in handling assembled second across steel truss girder sections, vertical-lift hoist engine first through promote hawser with in second across the prerequisite hanging point of steel truss girder sections with after promote suspension centre and be connected, after slinging, directly complete suspension centre aloft to switch, namely front vertical shift suspension centre and rear vertical shift suspension centre (first time suspension centre switching) is switched to by prerequisite hanging point and rear lifting suspension centre, relevant position is transported to by front fortune beam dolly and rear fortune beam dolly after switching, again progressively complete suspension centre to switch, be specially and first front vertical shift suspension centre switched to prerequisite hanging point (second time suspension centre switches), the premenstrual loop wheel machine hawser of front lifting truck is connected with one-tenth prerequisite hanging point, now, front lifting truck and rear fortune beam dolly are simultaneously by after transporting forward a segment distance across steel truss girder sections in second, again rear vertical shift suspension centre is switched to rear lifting suspension centre (third time suspension centre switching), after switching, rear lifting truck through after loop wheel machine hawser with after promote suspension centre and be connected, now, in second across steel truss girder sections through front lifting truck and after lifting truck jointly transport and complete splicing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the working state schematic representation of front fortune beam dolly and rear fortune beam dolly synchronized swing;
Fig. 3 is the working state schematic representation of front fortune beam dolly when touching the first removable stop;
Fig. 4 is the working state schematic representation of front lifting truck and rear fortune beam dolly synchronized swing;
Fig. 5 is the working state schematic representation of front lifting truck and rear lifting truck synchronized swing;
Fig. 6 is across working state schematic representation during steel truss girder section assembling in second.
Being labeled as in accompanying drawing: 1-erection crane, 2-rail beam, 3-vertical shift track, before 4-, fortune beam dolly, transports beam dolly, 6-vertical-lift hoist engine after 5-, 7-outrigger, lifting truck before 8-, lifting truck after 9-, the removable stop of 10-first, the removable stop of 11-second, the removable stop of 12-the 3rd, 13-promotes hawser, 14-prerequisite hanging point, promotes suspension centre after 15-, 16-first vertical shift hawser, 17-second vertical shift hawser, vertical shift suspension centre before 18-, vertical shift suspension centre after 19-, loop wheel machine hawser before 20-, loop wheel machine hawser after 21-, the upper overarm of 22-, 23-bridge pier, Z
j-1across steel truss girder sections in-the first, Z
jacross steel truss girder sections in-the second.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
Embodiment 1.A kind of steel truss girder cable-stayed bridge steel truss girder sections handling apparatus, forms as shown in figures 1 to 6, comprises vertical shift track 3, vertical shift track 3 is provided with successively front fortune beam dolly 4 and rear fortune beam dolly 5; Vertical-lift hoist engine 6 is also provided with above described vertical shift track 3.
Aforesaid steel truss girder cable-stayed bridge steel truss girder sections handling apparatus handling method used is:
The lifting hawser 13 of a, vertical-lift hoist engine 6 respectively with treat handling second in across steel truss girder sections Z
jon prerequisite hanging point 14 be connected with rear lifting suspension centre 15, start vertical-lift hoist engine 6 by second across steel truss girder sections Z
jhang and be raised to predeterminated position;
B, to arrive after predeterminated position, the first vertical shift hawser 16 of front fortune beam dolly 4 and rear fortune beam dolly 5 and the second vertical shift hawser 17 respectively with second in across steel truss girder sections Z
jon front vertical shift suspension centre 18 be connected with rear vertical shift suspension centre 19; Pretension first vertical shift hawser 16 and the second vertical shift hawser 17, after pretension, promote hawser 13 and depart from prerequisite hanging point 14 and rear lifting suspension centre 15;
C, front fortune beam dolly 4 and rear fortune beam dolly 5 be synchronous longitudinally reach on vertical shift track 3, by second across steel truss girder sections Z
jbe transported to assembled position in second across steel truss girder sections Z
jcarry out assembled;
D, assembled complete after, front fortune beam dolly 4 and rear fortune beam dolly 5 return back to initial position along vertical shift track 3, complete once assembled operation.
Across steel truss girder sections Z in aforesaid first
j-1with second in across steel truss girder sections Z
jsplit, is supported by bridge pier 23.
Embodiment 2.A kind of steel truss girder cable-stayed bridge steel truss girder sections handling apparatus, forms as shown in figures 1 to 6, comprises vertical shift track 3, vertical shift track 3 is provided with successively front fortune beam dolly 4 and rear fortune beam dolly 5, vertical shift track 3 in rail beam 2 and first across steel truss girder sections Z
j-1connect, across steel truss girder sections Z in first
j-1be provided with vertical-lift hoist engine 6, across steel truss girder sections Z in first
j-1top be also provided with erection crane 1; Described erection crane 1 is respectively equipped with front lifting truck 8 and rear lifting truck 9.
Aforesaid steel truss girder cable-stayed bridge steel truss girder sections handling apparatus handling method used is:
The lifting hawser 13 of a, vertical-lift hoist engine 6 respectively with treat handling second in across steel truss girder sections Z
jon prerequisite hanging point 14 be connected with rear lifting suspension centre 15, start vertical-lift hoist engine 6 by second across steel truss girder sections Z
jhang and be raised to predeterminated position;
B, to arrive after predeterminated position, the first vertical shift hawser 16 of front fortune beam dolly 4 and rear fortune beam dolly 5 and the second vertical shift hawser 17 respectively with second in across steel truss girder sections Z
jon front vertical shift suspension centre 18 be connected with rear vertical shift suspension centre 19; Pretension first vertical shift hawser 16 and the second vertical shift hawser 17, after pretension, promote hawser 13 and depart from prerequisite hanging point 14 and rear lifting suspension centre 15;
C, front fortune beam dolly 4 and rear fortune beam dolly 5 be synchronous longitudinally reach on vertical shift track 3, by second across steel truss girder sections Z
jwhen being transported to predeterminated position, out of service the while of front fortune beam dolly 4 and rear fortune beam dolly 5, front lifting truck 8 and the rear lifting truck 9 of erection crane 1 run to relevant position, and front lifting truck 8 is connected and pretension with prerequisite hanging point 14 and rear lifting suspension centre 15 with rear loop wheel machine hawser 21 respectively with rear lifting truck 9 front loop wheel machine hawser 20, after pretension, first vertical shift hawser 16 and the second vertical shift hawser 17 depart from front vertical shift suspension centre 18 and rear vertical shift suspension centre 19 respectively, afterwards, the vertical shift simultaneously of front lifting truck 8 and rear lifting truck 9 by second across steel truss girder sections Z
jbeing transported to assembled position carries out assembled;
D, assembled complete after, front fortune beam dolly 4 and rear fortune beam dolly 5 return back to initial position along vertical shift track 3, complete once assembled operation.
Across steel truss girder sections Z in aforesaid first
j-1with second in across steel truss girder sections Z
jsplit, is supported by bridge pier 23.
Embodiment 3.A kind of steel truss girder cable-stayed bridge steel truss girder sections handling apparatus, forms as shown in figures 1 to 6, comprises erection crane 1, be provided with in first across steel truss girder sections Z below erection crane 1
j-1, across steel truss girder sections Z in first
j-1be provided with rail beam 2, rail beam 2 through vertical shift track 3 respectively with front fortune beam dolly 4 and after transport beam dolly 5 and be connected; Across steel truss girder sections Z in described first
j-1on be also provided with vertical-lift hoist engine 6; Described erection crane 1 is respectively equipped with front lifting truck 8 and rear lifting truck 9; The front that described vertical shift track 3 is provided with the removable stop 10 of the first removable stop 10, first is provided with the second removable stop 11; The rear end of described front fortune beam dolly 4 is provided with the 3rd removable stop 12.
The handling of aforesaid steel truss girder cable-stayed bridge steel truss girder sections handling apparatus institute second in across steel truss girder sections Z
jthe front end of upper overarm 22 be provided with outrigger 7, prerequisite hanging point 14 is arranged on outrigger 7, front vertical shift suspension centre 18, rear lifting suspension centre 15 and rear vertical shift suspension centre 19 are arranged in overarm 22, and the order that arranges of the suspension centre of outrigger 7 and upper overarm 22 is from left to right followed successively by prerequisite hanging point 14, front vertical shift suspension centre 18, rear lifting suspension centre 15 and rear vertical shift suspension centre 19.By this setting, when making front loop wheel machine hawser 20 connect prerequisite hanging point 14, across steel truss girder sections Z in front lifting truck 8 and first
j-1between keep a safe distance, ensure the safety in operating process with this.
Aforesaid steel truss girder cable-stayed bridge steel truss girder sections handling apparatus handling method used is,
The lifting hawser 13 of a, vertical-lift hoist engine 6 respectively with treat handling second in across steel truss girder sections Z
jon prerequisite hanging point 14 be connected with rear lifting suspension centre 15, start vertical-lift hoist engine 6 by second across steel truss girder sections Z
jhang and be raised to predeterminated position;
B, to arrive after predeterminated position, the first vertical shift hawser 16 of front fortune beam dolly 4 and rear fortune beam dolly 5 and the second vertical shift hawser 17 respectively with second in across steel truss girder sections Z
jon front vertical shift suspension centre 18 be connected with rear vertical shift suspension centre 19; Pretension first vertical shift hawser 16 and the second vertical shift hawser 17, after pretension, promote hawser 13 and depart from prerequisite hanging point 14 and rear lifting suspension centre 15;
C, front fortune beam dolly 4 and rear fortune beam dolly 5 are synchronous on vertical shift track 3 longitudinally to be run in handling second across steel truss girder sections Z
jwhen the front end of current fortune beam dolly 4 touches the first removable stop 10 on vertical shift track 3, front fortune beam dolly 4 and rear fortune beam dolly 5 out of service, front lifting truck 8 and the rear lifting truck 9 of erection crane 1 run to relevant position, the front loop wheel machine hawser 20 of front lifting truck 8 is connected with prerequisite hanging point 14, and loop wheel machine hawser 20 before pretension, after pretension, first vertical shift hawser 16 of front fortune beam dolly 4 departs from front vertical shift suspension centre 18, removes the first removable stop 10 on vertical shift track 3;
D, remove after the first removable stop 10, front fortune beam dolly 4 and rear fortune beam dolly 5 continue reach along vertical shift track 3, front lifting truck 8 and rear fortune beam dolly 5 respectively in premenstrual loop wheel machine hawser 20 and the synchronous handling second forward of the second vertical shift hawser 17 across steel truss girder sections Z
jwhen the front end of current fortune beam dolly 4 touches the second removable stop 11, front fortune beam dolly 4 is out of service, front lifting truck 8 and rear fortune beam dolly 5 continue to run, when the 3rd removable stop 12 of fortune beam dolly 4 rear end before rear fortune beam dolly 5 front end touches, out of service the while of front lifting truck 8 and rear fortune beam dolly 5, now, rear lifting truck 9 moves to relevant position, across steel truss girder sections Z in rear loop wheel machine hawser on rear lifting truck 9 21 and second
jrear lifting suspension centre 15 connect, loop wheel machine hawser 21 after pretension, after pretension, the second vertical shift hawser 17 of rear fortune beam dolly 5 departs from rear vertical shift suspension centre 19, now, lifting truck 8 and rear lifting truck 9 respectively premenstrual loop wheel machine hawser 20 and rear loop wheel machine hawser 21 by second across steel truss girder sections Z
jmove forward to assembled position, across steel truss girder sections Z in second
jafter moving forward to assembled position, lifting truck 8 and rear lifting truck 9 promote in second across steel truss girder sections Z simultaneously
j, make it with first in across steel truss girder sections Z
j-1split, completes once assembled operation.
Across steel truss girder sections Z in aforesaid first
j-1with second in across steel truss girder sections Z
jsplit, is supported by bridge pier 23.
Claims (6)
1. a steel truss girder cable-stayed bridge steel truss girder sections handling apparatus, is characterized in that: comprise vertical shift track (3), vertical shift track (3) is provided with successively front fortune beam dolly (4) and rear fortune beam dolly (5); Described vertical shift track (3) top is also provided with vertical-lift hoist engine (6).
2. steel truss girder cable-stayed bridge steel truss girder sections handling apparatus according to claim 1, is characterized in that: described vertical shift track (3) in rail beam (2) and first across steel truss girder sections (Z
j-1) connect, across steel truss girder sections (Z in first
j-1) be provided with vertical-lift hoist engine (6), across steel truss girder sections (Z in first
j-1) top be also provided with erection crane (1); Described erection crane (1) is respectively equipped with front lifting truck (8) and rear lifting truck (9).
3. steel truss girder cable-stayed bridge steel truss girder sections handling apparatus according to claim 1 and 2, it is characterized in that: described vertical shift track (3) is provided with the first removable stop (10), the front of the first removable stop (10) is provided with the second removable stop (11); The rear end of described front fortune beam dolly (4) is provided with the 3rd removable stop (12).
4. the handling method that the steel truss girder cable-stayed bridge steel truss girder sections handling apparatus as described in any one of claim 1-3 is used, is characterized in that: handling in the steps below,
The lifting hawser (13) of a, vertical-lift hoist engine (6) respectively with treat handling second in across steel truss girder sections (Z
j) on prerequisite hanging point (14) be connected with rear lifting suspension centre (15), start vertical-lift hoist engine (6) by second across steel truss girder sections (Z
j) hang and be raised to predeterminated position;
B, to arrive after predeterminated position, the first vertical shift hawser (16) of front fortune beam dolly (4) and rear fortune beam dolly (5) and the second vertical shift hawser (17) respectively with second in across steel truss girder sections (Z
j) on front vertical shift suspension centre (18) be connected with rear vertical shift suspension centre (19); Pretension first vertical shift hawser (16) and the second vertical shift hawser (17), after pretension, promote hawser (13) and depart from prerequisite hanging point (14) and rear lifting suspension centre (15);
C, front fortune beam dolly (4) and rear fortune beam dolly (5) in the upper synchronous longitudinally reach of vertical shift track (3), by second across steel truss girder sections (Z
j) be transported to assembled position in second across steel truss girder sections (Z
j) carry out assembled;
D, assembled complete after, front fortune beam dolly (4) and rear fortune beam dolly (5) return back to initial position along vertical shift track (3), complete once assembled operation.
5. the handling method that steel truss girder cable-stayed bridge steel truss girder sections handling apparatus as claimed in claim 4 is used, is characterized in that: handling in the steps below,
The lifting hawser (13) of a, vertical-lift hoist engine (6) respectively with treat handling second in across steel truss girder sections (Z
j) on prerequisite hanging point (14) be connected with rear lifting suspension centre (15), start vertical-lift hoist engine (6) by second across steel truss girder sections (Z
j) hang and be raised to predeterminated position;
B, to arrive after predeterminated position, the first vertical shift hawser (16) of front fortune beam dolly (4) and rear fortune beam dolly (5) and the second vertical shift hawser (17) respectively with second in across steel truss girder sections (Z
j) on front vertical shift suspension centre (18) be connected with rear vertical shift suspension centre (19); Pretension first vertical shift hawser (16) and the second vertical shift hawser (17), after pretension, promote hawser (13) and depart from prerequisite hanging point (14) and rear lifting suspension centre (15);
C, front fortune beam dolly (4) and rear fortune beam dolly (5) in the upper synchronous longitudinally reach of vertical shift track (3), by second across steel truss girder sections (Z
j) when being transported to predeterminated position, out of service the while of front fortune beam dolly (4) and rear fortune beam dolly (5), front lifting truck (8) and the rear lifting truck (9) of erection crane (1) run to relevant position, and front lifting truck (8) is connected and pretension with prerequisite hanging point (14) and rear lifting suspension centre (15) with rear loop wheel machine hawser (21) respectively with the front loop wheel machine hawser (20) of rear lifting truck (9), after pretension, first vertical shift hawser (16) and the second vertical shift hawser (17) depart from front vertical shift suspension centre (18) and rear vertical shift suspension centre (19) respectively, afterwards, the vertical shift simultaneously of front lifting truck (8) and rear lifting truck (9) by second across steel truss girder sections (Z
j) be transported to assembled position and carry out assembled,
D, assembled complete after, front fortune beam dolly (4) and rear fortune beam dolly (5) return back to initial position along vertical shift track (3), complete once assembled operation.
6. the handling method that steel truss girder cable-stayed bridge steel truss girder sections handling apparatus as claimed in claim 4 is used, is characterized in that: handling in the steps below,
The lifting hawser (13) of a, vertical-lift hoist engine (6) respectively with treat handling second in across steel truss girder sections (Z
j) on prerequisite hanging point (14) be connected with rear lifting suspension centre (15), start vertical-lift hoist engine (6) by second across steel truss girder sections (Z
j) hang and be raised to predeterminated position;
B, to arrive after predeterminated position, the first vertical shift hawser (16) of front fortune beam dolly (4) and rear fortune beam dolly (5) and the second vertical shift hawser (17) respectively with second in across steel truss girder sections (Z
j) on front vertical shift suspension centre (18) be connected with rear vertical shift suspension centre (19); Pretension first vertical shift hawser (16) and the second vertical shift hawser (17), after pretension, promote hawser (13) and depart from prerequisite hanging point (14) and rear lifting suspension centre (15);
C, front fortune beam dolly (4) and rear fortune beam dolly (5) are in the upper synchronous longitudinally operation of vertical shift track (3), when the front end of current fortune beam dolly (4) touches first removable stop (10) on vertical shift track (3), front fortune beam dolly (4) and rear fortune beam dolly (5) out of service, front lifting truck (8) and the rear lifting truck (9) of erection crane (1) run to relevant position, the front loop wheel machine hawser (20) of front lifting truck (8) is connected with prerequisite hanging point (14), loop wheel machine hawser (20) before pretension, after pretension, first vertical shift hawser (16) and the front vertical shift suspension centre (18) of front fortune beam dolly (4) depart from, remove the first removable stop (10) in vertical shift track (3),
After d, dismounting the first removable stop (10), front fortune beam dolly (4) and rear fortune beam dolly (5) continue reach along vertical shift track (3), and front lifting truck (8) and rear fortune beam dolly (5) are distinguished in premenstrual loop wheel machine hawser (20) and the synchronous handling second forward of the second vertical shift hawser (17) across steel truss girder sections (Z
j), when the front end of current fortune beam dolly (4) touches second removable stop (11), front fortune beam dolly (4) is out of service, front lifting truck (8) and the continuation of rear fortune beam dolly (5) run, when the 3rd removable stop (12) of fortune beam dolly (4) rear end before rear fortune beam dolly (5) front end touches, out of service the while of front lifting truck (8) and rear fortune beam dolly (5), now, rear lifting truck (9) moves to relevant position, across steel truss girder sections (Z in the rear loop wheel machine hawser (21) and second on rear lifting truck (9)
j) rear lifting suspension centre (15) connect, loop wheel machine hawser (21) after pretension, after pretension, second vertical shift hawser (17) and the rear vertical shift suspension centre (19) of rear fortune beam dolly (5) depart from, now, lifting truck (8) and rear lifting truck (9) respectively premenstrual loop wheel machine hawser (20) and rear loop wheel machine hawser (21) by second across steel truss girder sections (Z
j) continue to be transported to assembled position, front fortune beam dolly (4) and rear fortune beam dolly (5) return back to initial position, across steel truss girder sections (Z in second
j) move forward to assembled position after, lifting truck (8) and rear lifting truck (9) promote in second across steel truss girder sections (Z simultaneously
j), make it with first in across steel truss girder sections (Z
j-1) split, complete once assembled operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565310.2A CN105200923B (en) | 2015-09-08 | 2015-09-08 | A kind of steel truss girder cable-stayed bridge steel truss girder segment handling apparatus and its handling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565310.2A CN105200923B (en) | 2015-09-08 | 2015-09-08 | A kind of steel truss girder cable-stayed bridge steel truss girder segment handling apparatus and its handling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105200923A true CN105200923A (en) | 2015-12-30 |
| CN105200923B CN105200923B (en) | 2018-07-13 |
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| CN105926445A (en) * | 2016-05-04 | 2016-09-07 | 中国十九冶集团有限公司 | Bridge high pier self-lifting outer frame turnover formwork expansion device |
| CN109823971A (en) * | 2019-01-31 | 2019-05-31 | 中国能源建设集团广东电力工程局有限公司 | A kind of steel coal hopper prefabricated part hanging structure and hanging method |
| CN110016863A (en) * | 2019-04-08 | 2019-07-16 | 中国葛洲坝集团第五工程有限公司 | A kind of the self-crawling type steel binder loop wheel machine and application method of energy luffing |
| CN111172882A (en) * | 2020-01-13 | 2020-05-19 | 中铁二院工程集团有限责任公司 | Beam section transportation method for assembling bridge girder cantilever |
| CN111827121A (en) * | 2020-07-20 | 2020-10-27 | 中铁大桥局集团第四工程有限公司 | Construction device and construction method for high-voltage cable bridge passage |
| CN113802464A (en) * | 2021-10-09 | 2021-12-17 | 山东高速路桥集团股份有限公司 | Segment box girder construction system and construction method thereof |
| CN114592433A (en) * | 2022-03-07 | 2022-06-07 | 中铁广州工程局集团有限公司 | Segmental beam dragging and sliding device and method for passing pier and storing beam |
| CN116730200A (en) * | 2023-08-15 | 2023-09-12 | 贵州省公路工程集团有限公司 | Cable hoisting method, system, computer equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105926445A (en) * | 2016-05-04 | 2016-09-07 | 中国十九冶集团有限公司 | Bridge high pier self-lifting outer frame turnover formwork expansion device |
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| CN110016863A (en) * | 2019-04-08 | 2019-07-16 | 中国葛洲坝集团第五工程有限公司 | A kind of the self-crawling type steel binder loop wheel machine and application method of energy luffing |
| CN110016863B (en) * | 2019-04-08 | 2024-05-03 | 中国葛洲坝集团路桥工程有限公司 | Variable-amplitude self-climbing steel tie beam crane and use method thereof |
| CN111172882A (en) * | 2020-01-13 | 2020-05-19 | 中铁二院工程集团有限责任公司 | Beam section transportation method for assembling bridge girder cantilever |
| CN111827121A (en) * | 2020-07-20 | 2020-10-27 | 中铁大桥局集团第四工程有限公司 | Construction device and construction method for high-voltage cable bridge passage |
| CN113802464A (en) * | 2021-10-09 | 2021-12-17 | 山东高速路桥集团股份有限公司 | Segment box girder construction system and construction method thereof |
| CN114592433A (en) * | 2022-03-07 | 2022-06-07 | 中铁广州工程局集团有限公司 | Segmental beam dragging and sliding device and method for passing pier and storing beam |
| CN114592433B (en) * | 2022-03-07 | 2024-03-08 | 中铁广州工程局集团有限公司 | Segmental beam dragging and sliding device and pier-passing beam storage method |
| CN116730200A (en) * | 2023-08-15 | 2023-09-12 | 贵州省公路工程集团有限公司 | Cable hoisting method, system, computer equipment and storage medium |
| CN116730200B (en) * | 2023-08-15 | 2023-10-13 | 贵州省公路工程集团有限公司 | Cable hoisting method, system, computer equipment and storage medium |
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