CN203411914U - Segment supporting and locating system structure - Google Patents

Segment supporting and locating system structure Download PDF

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Publication number
CN203411914U
CN203411914U CN201320510350.3U CN201320510350U CN203411914U CN 203411914 U CN203411914 U CN 203411914U CN 201320510350 U CN201320510350 U CN 201320510350U CN 203411914 U CN203411914 U CN 203411914U
Authority
CN
China
Prior art keywords
positioning
girder
bracing frame
supports
sections
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201320510350.3U
Other languages
Chinese (zh)
Inventor
王一奇
巩立辉
马永强
蔡冰冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Dafang Special Vehicle Co Ltd
Original Assignee
Suzhou Dafang Special Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Dafang Special Vehicle Co Ltd filed Critical Suzhou Dafang Special Vehicle Co Ltd
Priority to CN201320510350.3U priority Critical patent/CN203411914U/en
Application granted granted Critical
Publication of CN203411914U publication Critical patent/CN203411914U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a segment supporting and locating system structure. The system structure is used for conveying bridge segments from upper bridge points on a main beam to specified positions to be located and installed. The segment supporting and locating system structure comprises a plurality of supporting frames arranged on the main beam and used for bearing the bridge segments temporarily, a locating vehicle arranged on the main beam and used for moving the supporting frames, and a longitudinal movement driving mechanism arranged on the main beam and used for driving the locating vehicle to move in the longitudinal direction of the main beam, and the locating vehicle enables the supporting frames bearing the bridge segments to be sent to accurate installation positions sequentially. According to the segment supporting and locating system structure, the bridge segments can be moved longitudinally on the main beam by a long distance, horizontal fine adjustment and height fine adjustment can be realized, and therefore accurate alignment installation of the bridge segments is realized; when the bridge segments do not need to be moved, the supporting frames can further bear the bridge segments temporarily.

Description

Sections supports and positioning system structure
Technical field
the utility model relates to a kind of bridging car, and the sections particularly relating on a kind of bridging car supports and positioning system structure.
Background technology
precast Concrete Segmental Bridges engineering method is widely used in Urban Bridge construction, general technological process is roughly: the prefabricated bridge subsection of batch production is transported to bridge location, after adopting special-purpose Bridge Erector to lift piecemeal, try to spell, splicing piecemeal (stem grafting seam) or build joint concrete (wet seam), after the maintenance of some time, carry out the prestressing tendon stretch-draw of whole hole, the Bridge Erector frame that falls completes system conversion, and complete machine via hole carries out next hole construction.
the Core equipment of this engineering method is the Segmental assembling bridge-erecting machine of operation on bridge location, conventionally there is deck type (also to claim suspension type, beam section hangs below crane ' s major girder), lower support type (also claims brace type, beam section supports above crane ' s major girder), half-through (two in left and right girder mid-mountings of beam section or support are common in the construction of the relatively large railroad bridge section assembling of cross section depth-width ratio).The more employing deck type of highway or Urban Bridge Segmental assembling bridge-erecting machine, crane ' s major girder is arranged more than bridge floor, precast concrete beam section hangs on crane ' s major girder below by flexible suspension rod, and complete machine is in the above traveling of bridge floor, therefore also deserve to be called line Segmental assembling bridge-erecting machine.
the advantage of deck type Segmental assembling bridge-erecting machine be under-clearance is required lower, less to traffic impact under bridge when overhead road of city or the construction of grade separation cross-line, but run into headroom less under be extremely difficult to while wearing existing bridge construction process, sometimes need Bridge Erector disintegrating transportation again assembled to the other end, and under some bridge beams of wearing may need to carry out cast-in-place processing; In like manner, lower support type Segmental assembling bridge-erecting machine is had relatively high expectations to under-clearance, under to wear construction unaffected, but upper across existing line or bridge construction, become again a difficult problem.
as above marine rainbow plum road is overhead arranges along existing Hong Meilu, and main line is single case three Room prestressed concrete box girders, adopts sections prefabrication, the working design of on-site consolidation, and standard span is 40m, 35m.Bridge pier adopts Precast Concrete Segmental Bridges bridge pier, and basis is site operation.In conjunction with the overhead feature for constructing on existing road in Hong Mei road, reduce traffic impact simultaneously as far as possible, aspect the construction of prefabricated subsection bridge on-site consolidation, we do one's utmost to seek a kind of highly effective and safe more, the construction to traffic impact minimum.
Summary of the invention
the purpose of this utility model is to provide a kind of sections and supports and positioning system structure.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of sections supports and positioning system structure, this system positions installation for bridge subsection bridge point from girder is transported to assigned address, comprise be placed on described girder, for several bracing frames of temporary support bridge subsection, be arranged on described girder, for the positioning car of mobile described bracing frame and be arranged on girder, vertical shift driving mechanism for driving described positioning car to vertically move along described girder, described positioning car is transported to installation accurate location by the described bracing frame that is supported with bridge subsection successively.
preferably, described bracing frame comprises two groups of left and right door shape supporting leg, connects one group of crossbeam of described door shape supporting leg, on described door shape supporting leg, is connected with two groups of the front and back traversing beam of bracing frame that can lock mutually with described positioning car; Described door shape supporting leg bottom is connected with can be along the spiral top of short transverse lifting.
preferably, described bracing frame is Steel structure door shape bracing frame.
further preferably, on the traversing beam of described bracing frame, be provided with the female tenon locking mutually with described positioning car.
preferably, described positioning car comprises the roller box with wheel, on described roller box, be provided with the traversing beam of positioning car that can lock mutually with described bracing frame, on the traversing beam of described positioning car, be connected with can drive its sideslip oil cylinder moving along girder horizontal direction, can be along the jacking cylinder of short transverse jacking.
further preferably, on described jacking cylinder, be provided with the tenon locking mutually with described bracing frame.
preferably, described vertical shift driving mechanism comprises the chain that is arranged on the drive motors of described end of main beam, is in transmission connection mutually with described drive motors, the two ends of described chain respectively with the joining end to end of described positioning car.
further preferably, described drive motors is arranged on the both ends of described girder.
further preferably, the both ends of described girder are provided with the deflecting roller turning to for described chain, and the bottom of described girder is provided with the support roller that supports described chain.
because technique scheme is used, the utility model compared with prior art has following advantages:
the utility model can be long apart from vertical shift on girder by bridge subsection, and horizontal and height fine adjusting function, installs the exactitude position of bridge subsection thereby realize; When bridge subsection does not need to move, bracing frame can also carry out temporary support to bridge subsection.
Accompanying drawing explanation
accompanying drawing 1 is longitudinal schematic diagram of the present utility model;
accompanying drawing 2 is horizontal schematic diagram of the present utility model;
accompanying drawing 3 is the schematic diagram one of bracing frame in the utility model;
accompanying drawing 4 is the schematic diagram two of bracing frame in the utility model;
accompanying drawing 5 is the schematic diagram one of positioning car in the utility model;
accompanying drawing 6 is the schematic diagram two of positioning car in the utility model;
accompanying drawing 7 is the schematic diagram of vertical shift driving mechanism in the utility model;
accompanying drawing 8-11 is job step schematic diagram of the present utility model.
wherein: 1, bracing frame; 10, crossbeam; 11, door shape supporting leg; 12, the traversing beam of bracing frame; 13, spiral top; 2, positioning car; 20, roller box; 21, the traversing beam of positioning car; 22, sideslip oil cylinder; 23, jacking cylinder; 3, vertical shift driving mechanism; 30, drive motors; 31, chain; 32, deflecting roller; 33, support roller; 4, bridge subsection; 5, girder.
The specific embodiment
below in conjunction with drawings and Examples, the utility model is further described:
a kind of sections as shown in Figure 1, 2 supports and positioning system structure, this system positions installation for bridge subsection 4 bridge point from girder 5 is transported to assigned address, comprise be placed on girder 5, for several bracing frames 1 of temporary support bridge subsection 4, be arranged on girder 5, for the positioning car 2 of movable supporting frame 1 and be arranged on girder 5, vertical shift driving mechanism 3 for driving positioning car 2 to vertically move along girder 5, below specifically all parts is described in detail:
as shown in Figure 3,4: bracing frame 1 is Steel structure door shape bracing frame, the one group of crossbeam 10 that mainly comprises two groups of left and right door shape supporting leg 11, connection door shape supporting leg 11.On door shape supporting leg 11, be connected with the traversing beam 12 of bracing frame that can lock mutually with the traversing beam 21 of positioning car, on the traversing beam 12 of bracing frame, be provided with female tenon.Door shape supporting leg 11 bottoms are connected with can be along the spiral top 13 of short transverse fine setting.
as shown in Figure 5,6: positioning car 2 comprises the roller box 20 with wheel, on roller box 20, be provided with the traversing beam 21 of positioning car that can lock mutually with the traversing beam 12 of bracing frame, on the traversing beam 21 of positioning car, be connected with and can drive its sideslip oil cylinder 22 moving along girder 5 horizontal directions, can, along the jacking cylinder 23 of short transverse jacking, on jacking cylinder 23, be provided with the tenon locking mutually with the traversing beam 12 of bracing frame.
as shown in Figure 7: vertical shift driving mechanism 3 comprises the chain 31 that is arranged on the drive motors 30 of girder 5 ends, is in transmission connection mutually with drive motors 30, the two ends of chain 31 respectively with the joining end to end of positioning car 2.In the present embodiment: drive motors 30 is arranged on the both ends of girder 5.In addition, the both ends of girder 5 are provided with the deflecting roller 32 turning to for chain, and the bottom of girder 5 arranges a plurality of support rollers 33 that have support chains 31.
specifically set forth below the groundwork step of lower the present embodiment, as shown in Fig. 8-11:
step 1: place several bracing frames 1 on girder 5, other bracing frame can be put on the ground, follow-up need to getting again; Under bridge, crane hangs on the bracing frame 1 girder 5 from the upper beam bridge subsection 4 of naming a person for a particular job, and drive motors 30 work of vertical shift driving mechanism 3, drive positioning car 2 to enter the lower position of bracing frame 1;
step 2: the jacking cylinder 23 of positioning car 2 ejects, is embedded in female tenon of the traversing beam 12 of bracing frame the tenon on jacking cylinder 23 tops; The jacking cylinder 23 of positioning car 2 continues to eject makes bracing frame 1 depart from girder 5, positioning car 2 can carry bracing frame 1 with vertical shift together with bridge subsection 4 above bracing frame 1 to assigned address;
step 3: regulate sideslip oil cylinder 22 and the jacking cylinder 23 of positioning car 2, bridge subsection 4 contrapositions are installed;
step 4: after installing, the spiral top 13 of bracing frame 1 ejects supporting, the jacking cylinder 23 of positioning car 2 is regained with bracing frame 1 and is departed from, positioning car 2 under the driving of vertical shift driving mechanism 3, return upper beam point transport, install under a slice bridge subsection 4;
step 5: repeating step 1 ~ 4, until should install across all bridge subsections 4.
above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.

Claims (9)

1. a sections supports and positioning system structure, this system positions installation for bridge subsection bridge point from girder is transported to assigned address, it is characterized in that: comprise and being placed on described girder, several bracing frames for temporary support bridge subsection, be arranged on described girder, for moving the positioning car of described bracing frame and being arranged on girder, for the vertical shift driving mechanism that drives described positioning car to vertically move along described girder, described positioning car is transported to installation accurate location by the described bracing frame that is supported with bridge subsection successively.
2. sections according to claim 1 supports and positioning system structure, it is characterized in that: described bracing frame comprises two groups of left and right door shape supporting leg, connects one group of crossbeam of described door shape supporting leg, on described door shape supporting leg, is connected with two groups of the front and back traversing beam of bracing frame that can lock mutually with described positioning car; Described door shape supporting leg bottom is connected with can be along the spiral top of short transverse lifting.
3. sections according to claim 1 and 2 supports and positioning system structure, it is characterized in that: described bracing frame is Steel structure door shape bracing frame.
4. sections according to claim 2 supports and positioning system structure, it is characterized in that: on the traversing beam of described bracing frame, be provided with the female tenon locking mutually with described positioning car.
5. sections according to claim 1 supports and positioning system structure, it is characterized in that: described positioning car comprises the roller box with wheel, on described roller box, be provided with the traversing beam of positioning car that can lock mutually with described bracing frame, on the traversing beam of described positioning car, be connected with can drive its sideslip oil cylinder moving along girder horizontal direction, can be along the jacking cylinder of short transverse jacking.
6. sections according to claim 5 supports and positioning system structure, it is characterized in that: on described jacking cylinder, be provided with the tenon locking mutually with described bracing frame.
7. sections according to claim 1 supports and positioning system structure, it is characterized in that: described vertical shift driving mechanism comprises the chain that is arranged on the drive motors of described end of main beam, is in transmission connection mutually with described drive motors, the two ends of described chain respectively with the joining end to end of described positioning car.
8. sections according to claim 7 supports and positioning system structure, it is characterized in that: described drive motors is arranged on the both ends of described girder.
9. sections according to claim 7 supports and positioning system structure, it is characterized in that: the both ends of described girder are provided with the deflecting roller turning to for described chain, and the bottom of described girder is provided with the support roller that supports described chain.
CN201320510350.3U 2013-08-21 2013-08-21 Segment supporting and locating system structure Withdrawn - After Issue CN203411914U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320510350.3U CN203411914U (en) 2013-08-21 2013-08-21 Segment supporting and locating system structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320510350.3U CN203411914U (en) 2013-08-21 2013-08-21 Segment supporting and locating system structure

Publications (1)

Publication Number Publication Date
CN203411914U true CN203411914U (en) 2014-01-29

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CN201320510350.3U Withdrawn - After Issue CN203411914U (en) 2013-08-21 2013-08-21 Segment supporting and locating system structure

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103422442A (en) * 2013-08-21 2013-12-04 苏州大方特种车股份有限公司 Segmental supporting and positioning system structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103422442A (en) * 2013-08-21 2013-12-04 苏州大方特种车股份有限公司 Segmental supporting and positioning system structure

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140129

Effective date of abandoning: 20150422