CN106192773B - The floating type rear support leg of heavy grade box beam bridge formation machine - Google Patents
The floating type rear support leg of heavy grade box beam bridge formation machine Download PDFInfo
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- CN106192773B CN106192773B CN201610725126.4A CN201610725126A CN106192773B CN 106192773 B CN106192773 B CN 106192773B CN 201610725126 A CN201610725126 A CN 201610725126A CN 106192773 B CN106192773 B CN 106192773B
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- telescopic mast
- sill
- rear support
- floating type
- support leg
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
A kind of floating type rear support leg of heavy grade box beam bridge formation machine, including at least connection beam assembly and traveling component, the traveling component is arranged at connection beam assembly lower end to realize the walking in orbit of whole supporting leg, the connection beam assembly provides the support of crane's major girder, the connection beam assembly includes connection beam, cylinder and sill, the lower Heng Liang is laterally set, and the cylinder is the both ends that two and lower end are connected to lower Heng Liang, and the outer end lower edge of the connection beam and the upper end of cylinder connect;The traveling component comprises at least telescopic mast, running mechanism and latch assembly, and the telescopic mast and running mechanism are two, and each running mechanism support is in orbit, and its upper end is connected to the lower end of telescopic mast, and the telescopic mast is connected by latch assembly with sill;Thus, the box beam erection reliable, easy to operate, that 30 ‰ line slopes can be achieved of design safety of the present invention, efficiently solves the problem of heavy grade box beam erection risk is high, input is big and long in time limit.
Description
Technical field
The present invention relates to the technical field of railway construction machine equipment, more particularly to a kind of heavy grade box beam bridge formation machine is floating
Dynamic formula rear support leg.
Background technology
With deepening constantly for railway construction construction, construction line also becomes increasingly complex.In box beam erection construction, run into big
Gradient circuit will more and more frequently, therefore to box beam bridge formation machine, especially the requirement of a straddle type Bridge Erector is with regard to more and more higher.Pass
Rear supporting leg of bridge erecting machine of uniting all is pure O-shaped structure, only drives the function of traveling, this is allowed in a straddle type Bridge Erector traveling via
When, it is especially more to the flexible range demands of preceding auxiliary leg.When running into more than 17 ‰ heavy grade, the stroke of preceding auxiliary leg requires
Reach several meters, so that design difficulty and operational risk can all increase.If being adjusted using front leg strut, it can reduce and apply again
Work efficiency rate.
Therefore, the designer of the present invention, in view of drawbacks described above, by concentrating on studies and designing, synthesis is engaged in for many years for a long time
The experience and achievement of related industry, research and design goes out a kind of floating type rear support leg of heavy grade box beam bridge formation machine, above-mentioned to overcome
Defect.
The content of the invention
It is an object of the invention to provide a kind of floating type rear support leg of heavy grade box beam bridge formation machine, the floating type rear support leg
The box beam erection reliable, easy to operate, that 30 ‰ line slopes can be achieved of design safety, efficiently solves heavy grade box beam erection
The problem of risk is high, input is big and long in time limit.
To solve the above problems, the invention discloses a kind of floating type rear support leg of heavy grade box beam bridge formation machine, it is at least
Including connection beam assembly and traveling component, the traveling component is arranged at connection beam assembly lower end to realize whole supporting leg in track
On walking, it is described connection beam assembly provide crane's major girder support, it is characterised in that:
The connection beam assembly includes connection beam, cylinder and sill, and the lower Heng Liang is laterally set, and the cylinder is two
Individual and lower end is connected to lower Heng Liang both ends, and the outer end lower edge of the connection beam and the upper end of cylinder connect;
The traveling component comprises at least telescopic mast, running mechanism and latch assembly, and the telescopic mast and running mechanism are equal
For two, the upper end of each running mechanism is connected to the lower end of telescopic mast, and the telescopic mast is connected by latch assembly with sill,
The running mechanism support is in orbit.
Wherein:Each telescopic mast is provided with multiple spaced fastening holes, the sill relatively each institute respectively
State telescopic mast and be provided with the through hole wherein in a fastening hole that the telescopic mast is inserted for latch assembly.
Wherein:The latch assembly includes latch and guide cylinder, and the guide cylinder is connected on the outside of the positioning hole of sill,
And the guide cylinder is provided with the guide hole for latch insertion.
Wherein:Relatively each telescopic mast is provided with square anchor ear to the sill respectively, the upper end of the square anchor ear with
Sill connects, and lower end forms the shroud ring portion of accommodating telescopic mast.
Wherein:The running mechanism includes rotating seat, rotary shaft, balanced seat, balanced axle and vehicle frame EEF bogie, the rotation
The upper end of seat is connected to the lower end of telescopic mast, and the rotary shaft is through the rotating seat and is supported in balanced seat, the balanced seat
Lower end vehicle frame EEF bogie is articulated with by balanced axle.
Wherein:The vehicle frame EEF bogie includes the middle body for being provided with depression, and the body both sides are respectively equipped with travelling wheel,
The lower end of the balanced seat is articulated with by balanced axle in the depression of vehicle frame EEF bogie.
Wherein:Link assembly is additionally provided with, the link assembly includes four bearings, four pull bars and two intermediate regulations
Bar, four bearings, one group of both sides for being fixed on each balanced seat two-by-two, the medial extremity of each bearing respectively with a pull bar one
End is be hinged, and the other end is connected with middle tone pole.
Wherein:The both ends of the middle tone pole are hollow and be provided with internal thread, the internal thread at each middle tone pole both ends
Direction of rotation is on the contrary, the other end of four pull bars is provided with matched external screw thread.
Wherein:Two supporting mechanisms are additionally provided with, two supporting mechanism is located at the inner side of running mechanism respectively, and its upper end is with
Crossbeam connects.
Wherein:Each supporting mechanism includes oil cylinder, sleeve, ball pivot head and ball hinge, the both ends of the sleeve and sill
Lower surface connects with the lower end of cylinder block, and ball pivot head, the ball pivot head and ball are fixed in the expansion link free end of the oil cylinder
Free bearing contact is set.
By said structure, the floating type rear support leg of heavy grade box beam bridge formation machine of the invention has the effect that:
1st, Bridge Erector jacks the oil cylinder of supporting mechanism before heavy grade leveling, makes supporting mechanism support on the ground, releases
The latch between crossbeam and telescopic mast is put down, telescopic mast is separated with sill, the oil cylinder of subsequent retractable support mechanism, waits to build bridge
After machine leveling, latch is inserted so that telescopic mast is connected with sill, and by rotating middle tone pole, regulation running mechanism falls
Position in orbit, catching phenomenon is prevented, finally carry out the reset work of oil cylinder, now supporting mechanism is liftoff, traveling
On track, balanced seat relatively rotates mechanism supports with vehicle frame EEF bogie, plays the effect of equilibrium, square anchor ear increase
Flexible contact length, increase stability and reliability;
2nd, during whole leveling, it is not necessary to be equipped with special entity and interim ancillary method, therefore floating type rear branch
Leg structure is reliable, easy to operate, can be achieved 30 ‰ line slopes box beam erection, so as to improve the operating efficiency of Bridge Erector and
Comprehensive utilization ratio.
The detailed content of the present invention can be obtained by explanation described later and institute's accompanying drawing.
Brief description of the drawings
Fig. 1 is the front view of the floating type rear support leg of heavy grade box beam bridge formation machine in the present invention.
Fig. 2 is Fig. 1 left view.
Fig. 3 is the partial cut-away figure in Fig. 1.
Fig. 4 is the enlarged diagram of running mechanism in Fig. 1.
Fig. 5 is the amplification view of supporting mechanism in Fig. 1.
Fig. 6 is the amplification plan view of link assembly in Fig. 1.
Reference:
1 is connection beam;2 be cylinder;3 be sill;4 be telescopic mast;5 be running mechanism;6 supporting mechanisms;7 be latch group
Part;8 be link assembly;9 be track;3-1 is square anchor ear;5-1 is rotating seat;5-2 is rotary shaft;5-3 is balanced seat;5-4
For balanced axle;5-5 is vehicle frame EEF bogie;6-1 is oil cylinder;6-2 is sleeve;6-3 ball pivot heads;6-4 is ball hinge;7-1 is latch;
7-2 is guide cylinder;8-1 bearings;8-2 pull bars;8-3 middle tone poles.
Embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention can be easier to by ability
Field technique personnel understand, apparent are clearly defined so as to be made to protection scope of the present invention.
Referring to Fig. 1-6, a kind of floating type rear support leg of heavy grade box beam bridge formation machine of the present invention, its company of comprising at least
Beam assembly and traveling component are connect, the connection beam assembly can include connection beam 1, cylinder 2 and sill 3, and the traveling component can
Including at least telescopic mast 4, running mechanism 5 and latch assembly 7, it is whole to realize that the traveling component is arranged at connection beam assembly lower end
Walking of the individual supporting leg on track 9, the connection beam assembly provides the support of crane's major girder, so as to realize Bridge Erector in track
Motion on 9.
As shown in Figure 1, 2, the lower weighing apparatus beam 3 is laterally set, and the cylinder 2 is two, and the lower end of two cylinders 2 can pass through
Multiple both ends for being bolted to lower weighing apparatus beam 3 of periphery, understand, the local inclination of two cylinder 2 is set, its upper end referring to diagram
Extend vertically upwards, the connection beam 1 is two and laterally opposed setting, and the outer end lower edge of two connection beams 1 is respectively by more
Individual bolt is connected with the upper end of cylinder 2, and the inner is oppositely arranged can be connected by structures such as bolts with crane's major girder, by this
Structure, the supporting role effectively and consolidated is provided for crane's major girder, and it is smooth between crane's major girder and traveling component
Contact.
The telescopic mast 4 and running mechanism 5 are two, and the upper end of each running mechanism 5 is bolted to telescopic mast 4
Lower end, the telescopic mast 4 is connected by latch assembly 7 with sill 3, and the running mechanism 5 is supported on track 9.
As shown in figure 3, each telescopic mast 4 is provided with multiple spaced fastening holes, the sill 3 distinguishes phase
The through hole wherein in a fastening hole that the telescopic mast 4 is inserted for latch assembly 7 is provided with to each telescopic mast 4, it is described
After latch assembly 7 is inserted a fastening hole by through hole, telescopic mast 4 can be positioned to sill 3, and pass through multiple
Every fastening hole set, adjustable and retractable post 4 with respect to sill 3 position, so as to adjust whole floating type rear support leg
Bearing height, acted on this to reach the leveling of Bridge Erector.
The latch assembly 7 may include that latch 7-1 and guide cylinder 7-2, the guide cylinder 7-2 can be bolted mode
It is connected on the outside of the positioning hole of sill 3, and the guide cylinder 7-2 is provided with the guide hole for latch 7-1 insertions, latch 7-1 is placed
In carrying out guiding insertion in guide cylinder 7-2, easily inserted with providing operating personnel, the sill 3 is relatively each described respectively
Telescopic mast 4 is provided with square anchor ear 3-1, and the upper end of the square anchor ear 3-1 is bolted the lower cover of mode and sill 3
Connection, lower end form the shroud ring portion of accommodating telescopic mast 4, thus, the contact length of the square anchor ear 3-1 increases telescopic mast, increase
Stability and reliability.
As shown in figure 4, the running mechanism 5 of the present invention also includes rotating seat 5-1, rotary shaft 5-2, balanced seat 5-3, balanced axle
5-4 and vehicle frame EEF bogie 5-5, the rotating seat 5-1 upper end can be bolted the lower end that mode is connected to telescopic mast 4,
Lower end is rotatable to be supported in balanced seat 5-3, and to realize rotatable support, the rotary shaft 5-2 runs through the rotating seat 5-1
And be supported in balanced seat 5-3 storage tank, thus, running mechanism 5 can realize micro- rotation, be set a roof beam in place with accommodation curve, described
Vehicle frame EEF bogie 5-5 includes the middle body for being provided with depression, and the body both sides are respectively equipped with travelling wheel, the balanced seat 5-3
Lower end be articulated with by balanced axle 5-4 in vehicle frame EEF bogie 5-5 depression, so as to balanced seat 5-3 and vehicle frame EEF bogie 5-5 it
Between relative rotation can occur, rotating seat 5-1 is connected with telescopic mast 4, and running mechanism 5 can as telescopic mast 4 be in sill 3
Move up and down, after latch 7-1 is fixed, running mechanism 5 is supported on track 9, balanced seat 5-3 and vehicle frame EEF bogie 5-5 from
Body relatively rotates, and plays the effect of equilibrium so that floating type rear support leg remains at vertical state.
As shown in figure 1, Bridge Erector, during leveling, the pressure suffered by floating type rear support leg passes through connection beam 1, cylinder
2nd, the latch 7-1 that sill 3 is connected with telescopic mast 4, passes to running mechanism 5, and running mechanism 5 passes to ground by track 9.
Wherein, the present invention can also be provided with the supporting mechanism 6 of link assembly 8 and two, and two supporting mechanism 6 can be located to walk respectively
The inner side of row mechanism 5, its upper end can be connected by bolt with sill 3, and the other end supports on the ground, the link assembly 8
Both ends be individually fixed in running mechanism 5, so as to provide the connection of running mechanism 5.
As shown in figure 5, each supporting mechanism 6 may include oil cylinder 6-1, sleeve 6-2, ball pivot head 6-3 and ball hinge 6-4, it is described
Sleeve 6-2 both ends can be bolted the lower surface of mode and sill 3 and the lower end of oil cylinder 6-1 cylinder bodies respectively and be connected,
The expansion link free end of the oil cylinder 6-1 is fixed on ball pivot head 6-3, the ball pivot head 6-3 and contacts setting with ball hinge 6-4, leads to
Ball hinge 6-4 is crossed to be supported in ground, and reaches the purpose for changing floating type rear support leg height by telescopic oil cylinder 6-1 strokes,
Thus, the supporting mechanism 6 is the additional support power for providing supporting leg lower end, moreover it is possible to which the angle and height for effectively adapting to supporting leg are adjusted
Section.
As shown in fig. 6, the link assembly 8 includes four bearing 8-1, four pull bar 8-2 and two middle tone pole 8-
3, four bearing 8-1 two-by-two one group can by weld etc. fixed form be individually fixed in each balanced seat 5-1 both sides,
The one end of each bearing 8-1 medial extremity respectively with a pull bar 8-2 is hinged, and the other end is connected with middle tone pole 8-3.
The both ends of the middle tone pole 8-3 are hollow and be provided with internal thread, the internal thread at each middle tone pole 8-3 both ends
On the contrary, the four pull bar 8-2 other end is provided with matched external screw thread, the middle tone pole 8-3 passes through spiral shell for direction of rotation
Line mode is connected with both ends pull bar 8-2, thus, by rotating middle tone pole 8-3, the pull bar 8-2 at both ends can be driven relative
Or move toward one another, the relative position of running mechanism 5 and track 9 is adjusted with this, that is, ensure that the stabilization of running mechanism 5, also keep away
Exempt to prevent catching phenomenon.
The present invention is in concrete operations, in Bridge Erector before heavy grade leveling, jacks the oil cylinder 6-1 of supporting mechanism 6, makes
The ball hinge 6-4 of supporting mechanism 6 is just supported on the ground, is now extracted the latch 7-1 between sill 3 and telescopic mast 4, is made
Telescopic mast 4 separates with sill 3, the oil cylinder 6-1 of subsequent retractable support mechanism 6, adjusts the height of floating type rear support leg, is come with this
Leveling Bridge Erector, after treating Bridge Erector leveling, insert latch 7-1 so that telescopic mast 4 is connected with sill 3, among rotating
Adjusting rod 8-3, the relative position between running mechanism 5 and track 9 is adjusted, prevents catching phenomenon, finally carry out oil cylinder 6-1
Reset work so that ball hinge 6-4 and surface separation, now running mechanism 5 be supported on track 9, balanced seat 5-3 and car
Relatively rotated between frame EEF bogie 5-5, play proportionality action.
As can be seen here, the advantage of the invention is that:
1st, during Bridge Erector leveling, it is not necessary to be equipped with special entity and interim ancillary method, investment, contracting can be reduced
Casual labourer's phase;
2nd, itself there is equilibrium, and can realize that curve is set a roof beam in place;
3rd, structure is reliable, easy to operate, and the box beam erection of 30 ‰ line slopes can be achieved, and reduces risk, reduces
Input, shortens the duration, so as to improve the operating efficiency of Bridge Erector and comprehensive utilization ratio.
It is readily apparent that the description and record of the above are only illustrated in the disclosure being not intended to be limiting of the invention
Appearance, application or use.Although being described in embodiment and embodiment being described in the drawings, the present invention does not limit
By accompanying drawing example and described in embodiment as it is now recognized that optimal mode to implement the particular case of the teachings of the present invention
Son, the scope of the present invention is by any embodiment including falling into description and appended claims above.
Claims (9)
1. a kind of floating type rear support leg of heavy grade box beam bridge formation machine, it comprises at least connection beam assembly and traveling component, described
Traveling component is arranged at connection beam assembly lower end to realize the walking in orbit of whole supporting leg, and the connection beam assembly provides frame
The support of bridge main beam, it is characterised in that:
The connection beam assembly include connection beam, cylinder and sill, and the sill is laterally set, the cylinder for two and
Lower end is connected to the both ends of sill, and the outer end lower edge of the connection beam and the upper end of cylinder connect;
The traveling component comprises at least telescopic mast, running mechanism and latch assembly, and the telescopic mast and running mechanism are two
Individual, the upper end of each running mechanism is connected to the lower end of telescopic mast, and the telescopic mast is connected by latch assembly with sill, described
Running mechanism support is in orbit;
The running mechanism includes rotating seat, rotary shaft, balanced seat, balanced axle and vehicle frame EEF bogie, the upper end of the rotating seat
The lower end of telescopic mast is connected to, the rotary shaft is through the rotating seat and is supported in balanced seat, and the lower end of the balanced seat leads to
Cross balanced axle and be articulated with vehicle frame EEF bogie.
2. floating type rear support leg as claimed in claim 1, it is characterised in that:Each telescopic mast is provided with multiple spaced
Fastening hole, relatively each telescopic mast is provided with supply latch assembly to insert the telescopic mast wherein one to the sill respectively
Through hole in fastening hole.
3. floating type rear support leg as claimed in claim 2, it is characterised in that:The latch assembly includes latch and guide cylinder,
The guide cylinder is connected on the outside of the through hole of sill, and the guide cylinder is provided with the guide hole for latch insertion.
4. floating type rear support leg as claimed in claim 1, it is characterised in that:The sill relatively each telescopic mast respectively
Provided with square anchor ear, the upper end of the square anchor ear is connected with sill, and lower end forms the shroud ring portion of accommodating telescopic mast.
5. floating type rear support leg as claimed in claim 1, it is characterised in that:The vehicle frame EEF bogie includes middle be provided with and is recessed
Body, the body both sides are respectively equipped with travelling wheel, and the lower end of the balanced seat is articulated with vehicle frame EEF bogie by balanced axle
Depression in.
6. floating type rear support leg as claimed in claim 5, it is characterised in that:It is additionally provided with link assembly, the link assembly bag
Include four bearings, four pull bars and two middle tone poles, four bearings two-by-two one group be fixed on each balanced seat two
Side, the one end of the medial extremity of each bearing respectively with a pull bar are hinged, and the other end is connected with middle tone pole.
7. floating type rear support leg as claimed in claim 6, it is characterised in that:The both ends of the middle tone pole are hollow and set
There is internal thread, the internal thread rotation at each middle tone pole both ends is in opposite direction, and the other end of four pull bars is provided with matched
External screw thread.
8. the floating type rear support leg as described in any in claim 1-7, it is characterised in that:Two supporting mechanisms are additionally provided with, it is described
Two supporting mechanisms are located at the inner side of running mechanism respectively, and its upper end is connected with sill.
9. floating type rear support leg as claimed in claim 8, it is characterised in that:Each supporting mechanism includes oil cylinder, sleeve, ball pivot head
And ball hinge, the both ends of the sleeve and the lower surface of sill and the connection of the lower end of cylinder block, the expansion link of the oil cylinder
Ball pivot head is fixed in free end, and the ball pivot head contacts setting with ball hinge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610725126.4A CN106192773B (en) | 2016-08-25 | 2016-08-25 | The floating type rear support leg of heavy grade box beam bridge formation machine |
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Application Number | Priority Date | Filing Date | Title |
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CN201610725126.4A CN106192773B (en) | 2016-08-25 | 2016-08-25 | The floating type rear support leg of heavy grade box beam bridge formation machine |
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CN106192773A CN106192773A (en) | 2016-12-07 |
CN106192773B true CN106192773B (en) | 2017-12-12 |
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CN201610725126.4A Active CN106192773B (en) | 2016-08-25 | 2016-08-25 | The floating type rear support leg of heavy grade box beam bridge formation machine |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106801382B (en) * | 2016-12-30 | 2018-06-26 | 中铁十局集团有限公司 | A kind of railway simple supported box beam heavy grade erection construction method |
CN109736210A (en) * | 2019-03-07 | 2019-05-10 | 郑州市华中建机有限公司 | A kind of Bridge Erector supporting leg turning hinge |
CN114150589A (en) * | 2021-12-17 | 2022-03-08 | 中铁高新工业股份有限公司 | Rotary support applied to curved beam erecting and bridge erecting machine |
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CN203034375U (en) * | 2012-12-21 | 2013-07-03 | 中铁十一局集团有限公司 | Transversely movable rear leg of 900-ton bridge erecting machine |
CN204343172U (en) * | 2014-12-16 | 2015-05-20 | 郑州市华中建机有限公司 | A kind of Bridge Erector |
CN204690603U (en) * | 2015-06-11 | 2015-10-07 | 林文堡 | For the buffer pressure-reducing device of Bridge Erector rear support |
CN204849595U (en) * | 2015-06-25 | 2015-12-09 | 中铁六局集团有限公司 | Frame bridge crane landing leg suitable for set up precast beam under heavy grade circumstances |
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2016
- 2016-08-25 CN CN201610725126.4A patent/CN106192773B/en active Active
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JP2012202076A (en) * | 2011-03-24 | 2012-10-22 | Toda Constr Co Ltd | Construction device of overhead viaduct and construction method of overhead viaduct |
CN202688884U (en) * | 2012-07-13 | 2013-01-23 | 徐州徐工铁路装备有限公司 | Back support leg walking support lifting mechanism of highway bridge girder erection machine |
CN203034375U (en) * | 2012-12-21 | 2013-07-03 | 中铁十一局集团有限公司 | Transversely movable rear leg of 900-ton bridge erecting machine |
CN204343172U (en) * | 2014-12-16 | 2015-05-20 | 郑州市华中建机有限公司 | A kind of Bridge Erector |
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