CN204455837U - The rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device - Google Patents
The rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device Download PDFInfo
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- CN204455837U CN204455837U CN201520080473.7U CN201520080473U CN204455837U CN 204455837 U CN204455837 U CN 204455837U CN 201520080473 U CN201520080473 U CN 201520080473U CN 204455837 U CN204455837 U CN 204455837U
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Abstract
The rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device, comprise rear support leg, described rear support leg comprises rear top rail, the left and right sides, rear top rail bottom surface is connected with a post-equalization beam respectively by rear hinge through, post-equalization beam two ends are hinged with rear column distribution beam respectively, each rear column distribution beam lower end is coaxial is provided with rear support oil cylinder, rear support oil cylinder lower end is provided with rear support dish, rear top rail end face is respectively equipped with the rear slide offered in left-right direction in the left and right sides, rear pallet is slidably connected in rear slide, rear pallet is provided with rear carrying roller supporting mechanism.The utility model both can meet the erection of camber beam, also can meet the special operation condition of double width case beam center to center distance change, can meet again the pole special operation condition that side bridge floor supports, side bridge pier supports.Greatly expand the use face of Bridge Erector, various demand of setting a roof beam in place can have been better met, alleviate the overall weight of Bridge Erector simultaneously, save manufacture and the cost of investment of equipment.
Description
Technical field
The utility model belongs to technical field of bridge construction, is specifically related to a kind of rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device.
Background technology
Along with China's science and technology and the development of infrastructure, especially in speedway and high-speed railway construction construction, various new technology, new equipment are widely used and promote, and improve speed of application and the quality of railway and highway.
The midfoot support device of large-tonnage Bridge Erector comprises front leg strut and rear support leg, during the erection of large-tonnage highway beam, the front leg strut of midfoot support device props up and stands on bridge pier, end is propped up across front leg strut when setting a roof beam in place and is stood in bridge on the surface, rear support leg props up all the time and stands on bridge face, just needs the strong point distributing front leg strut to meet the designing requirement of crane ' s major girder.In addition, when setting up camber beam or double width case beam center to center distance changes, corresponding change is made with regard to needing the center to center distance between main girder of Bridge Erector.One of these content difficult points becoming erecting beam construction above are also the technical problems that the midfoot support device of existing Bridge Erector needs solution badly.
Utility model content
The utility model is in order to solve weak point of the prior art, a kind of rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device is provided, this device both can meet the erection of camber beam, also can meet the special operation condition of double width case beam center to center distance change, the pole special operation condition of side supporting bridge, the support of opposite side bridge pier can be met again.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: the rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device, comprise rear support leg 2, described rear support leg 2 comprises rear top rail 11, the left and right sides, rear top rail 11 bottom surface is rotatably connected to a horizontally disposed post-equalization beam 16 respectively by rear hinge 15, post-equalization beam 16 two ends are respectively equipped with rear support bracket 12, each rear support bracket 12 is inner coaxial is provided with rear support oil cylinder 18, rear support oil cylinder 18 lower end is provided with rear telescopic mast 19, rear support anchor ear 17 is arranged with outside rear telescopic mast 19, rear top rail 11 end face is respectively equipped with the rear slide 31 offered in left-right direction in the left and right sides, rear pallet 14 is slidably connected in rear slide 31, rear top rail 11 is provided with the rear traversing driving oil cylinder 13 for driving rear pallet 14 to slide along rear slide 31, rear pallet 14 is provided with rear carrying roller supporting mechanism 32.
Described rear carrying roller supporting mechanism 32 comprises left roller rack 25 and right roller rack 26, left roller rack 25 is provided with along the longitudinal direction four left carrier rollers 20, left side guide wheel 22 is provided with on the right side of left roller rack 25, left hook davit 21 is provided with on the left of left roller rack 25, left hook davit 21 upper end is provided with left box body 23, left box body 23 is provided with left motor reducer 27, the left hanging wheel 28 be in transmission connection with left motor reducer 27 is provided with in left box body 23, left hanging wheel 28 is positioned at top on the right side of left side guide wheel 22, the left jacking cylinder 24 between middle two left carrier rollers 20 is vertically provided with in the middle of left roller rack 25,
Right roller rack 26 is provided with along the longitudinal direction four right carrier rollers 29, right side guide wheel 33 is provided with on the left of right roller rack 26, right hook davit 34 is provided with on the right side of right roller rack 26, right hook davit 34 upper end is provided with right case 35, right case 35 is provided with right motor reducer 36, the right hanging wheel 37 be in transmission connection with right motor reducer 36 is provided with in right case 35, right hanging wheel 37 is positioned at top on the left of right side guide wheel 33, is vertically provided with the right jacking cylinder 38 between middle two right carrier rollers 29 in the middle of right roller rack 26;
Girder 39 bottom of described large-tonnage Bridge Erector is located between left box body 23 and right case 35, left roller rack 25 is provided with and contacts with girder 39 bottom surface the left support backing plate 40 supported, right roller rack 26 is provided with and contacts with girder 39 bottom surface the right support backing plate 41 supported, on the left of girder 39 and right side foot along its length level be provided with left rail 42 and right guide rail 43, left side guide wheel 22 contacts with left rail 42 left surface, right side guide wheel 33 contacts with right guide rail 43 right flank, left hanging wheel 28 is positioned at directly over left rail 42, right hanging wheel 37 is positioned at directly over right guide rail 43.
Adopt technique scheme, novel large-tonnage Bridge Erector midfoot support device also comprises the front leg strut 1 being positioned at rear support leg 2 front, described front leg strut 1 comprises front top rail 3, the left and right sides, front top rail 3 bottom surface is rotatably connected to a support member respectively by front hinge 8, front top rail 3 end face is respectively equipped with the front slideway 30 offered in left-right direction in the left and right sides, front tray 5 is slidably connected in front slideway 30, front top rail 3 is provided with for traversing driving oil cylinder 7 before driving front tray 5 to slide along front slideway 30, and front tray 5 is provided with front carrying roller supporting mechanism 6; Front carrying roller supporting mechanism 6 is identical with the structure of rear carrying roller supporting mechanism 32.
Described support member is the column 4 be located on bridge pier 44 and/or the front balance arm 9 be located on bridge 45, is fixedly located on bridge pier 44, is provided with the hound 10 of adjustable in length between column 4 sidepiece and bridge pier 44 bottom column 4 by anchoring piece 46; Front balance arm 9 two ends are respectively equipped with front support bracket 47, each front support bracket 47 lower end is coaxial is provided with front support oil cylinder 48, front support oil cylinder 48 lower end is provided with front support dish 49, and front support oil cylinder 48 overcoat has the front support anchor ear 50 between front support dish 49 and front support bracket 47.
The support conversion of front leg strut in novel large-tonnage Bridge Erector midfoot support device when setting a roof beam in place operation and via hole operation, namely gravity during via hole operation on supporting leg is by the carrier roller going down in front carrying roller supporting mechanism, and when setting a roof beam in place operation, gravity more than front leg strut is that carrier roller does not now stress by the roller rack going down in front carrying roller supporting mechanism; When normally setting a roof beam in place, front leg strut is supported on bridge pier, and end is across when setting a roof beam in place, and front leg strut is supported on bridge on the surface, and now front leg strut can be realized by the conversion of column and front balance arm; For the double width case beam of different center to center distance, reserve the interface of different distance in the junction of front top rail and front hinge.With the generation of satisfied erection double width case beam center to center distance; When setting up camber beam, front tray can be driven to move horizontally by manipulating front traversing driving oil cylinder, realizing the girder of Bridge Erector and the relative traversing next satisfied demand of setting a roof beam in place between front leg strut; When end is across being the front support oil cylinder holding capacity avoided in front balance arm when setting a roof beam in place, between front support oil cylinder and front support dish, install front support anchor ear additional.
The support conversion of rear support leg in novel large-tonnage Bridge Erector midfoot support device when setting a roof beam in place operation and via hole operation, namely gravity during via hole operation on rear support leg is by the carrier roller going down in rear carrying roller supporting mechanism, and when setting a roof beam in place operation, gravity more than rear support leg is that carrier roller does not now stress by the roller rack going down in rear carrying roller supporting mechanism; For the double width case beam of different center to center distance, reserve the interface of different distance in the junction of top rail and rear hinge.With the change of satisfied erection double width case beam center to center distance; When setting up camber beam, the relative traversing next satisfied demand of setting a roof beam in place between crane ' s major girder with rear support leg can be realized by rear traversing driving oil cylinder; Rear support leg is the maximum supporting leg of holding capacity when setting a roof beam in place operation, rear column distribution beam is installed and hinged with it at post-equalization Liang Chu, rear support oil cylinder is installed below rear column distribution beam, be avoid the rear support oil cylinder in post-equalization beam to bear pressure when setting a roof beam in place, between rear support oil cylinder and rear support dish, install rear support anchor ear additional.
As from the foregoing, the front carrying roller supporting mechanism of novel large-tonnage Bridge Erector midfoot support device and rear carrying roller supporting mechanism can realize front leg strut, the supporting point transition of rear support leg under via hole and different work pattern of setting a roof beam in place, to meet the instructions for use of Bridge Erector.Front leg strut of the present utility model normally set a roof beam in place and end across when setting a roof beam in place realize support conversion.Front leg strut and rear support leg all can realize side by the conversion of column and balance arm and be supported on bridge pier, and opposite side supporting leg is supported on this extremely special construction requirement of Liang Mianshang.
When the operation of Bridge Erector via hole, the carrier roller of front carrying roller supporting mechanism and rear carrying roller supporting mechanism and the hanging of hanging roller box are taken turns alternately stressed, namely jacking cylinder shrinks, left support backing plate and right support backing plate take off, left hanging wheel rolls on left rail, right hanging wheel rolls on right guide rail, and whole like this bracing or strutting arrangement just can move along girder; After support means bottom portion is fixing, after support backing plate is taken off, carrier roller support girder.Operation of setting a roof beam in place is front manipulates left jacking cylinder and right jacking cylinder; Height certain for crane ' s major girder jacking, on the roller rack between two carrier rollers, the certain thickness support backing plate of cushioning, so that carrier roller does not stress when setting a roof beam in place operation, and allows roller rack bear pressure.
In sum, the utility model compared with prior art, has following beneficial effect:
1) novel large-tonnage Bridge Erector midfoot support device can change the supporting way of front leg strut and rear support leg easily according to different construction operating modes, the application of transverse-moving mechanism (traversing driving oil cylinder), both the erection of camber beam can have been met, also can meet the special operation condition of double width case beam center to center distance change, the pole special operation condition that side bridge floor supports, side bridge pier supports can be met again.Greatly expand the use face of Bridge Erector, various demand of setting a roof beam in place can have been better met.
2) novel large-tonnage Bridge Erector midfoot support device adopts and supports anchor ear, avoids the power of Bridge Erector in the process of setting a roof beam in place suffered by supporting leg and is born by support cylinder, extend the application life of support cylinder.
3) on front carrying roller supporting mechanism and rear carrying roller supporting mechanism, adopt the conversion of supporting way, the wheel load solving large-tonnage Bridge Erector middle idler roller wheel is too large, the stress acted on crane ' s major girder is made to cause structural volume huge too greatly, alleviate the overall weight of Bridge Erector, save manufacture and the cost of investment of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of novel large-tonnage Bridge Erector midfoot support device;
Fig. 2 is the structural representation of front leg strut when normally setting a roof beam in place in novel large-tonnage Bridge Erector midfoot support device;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is that in novel large-tonnage Bridge Erector midfoot support device, front leg strut side is supported on bridge pier, opposite side is supported on structural representation on bridge floor;
Fig. 5 be in novel large-tonnage Bridge Erector midfoot support device front leg strut at end across structural representation when setting a roof beam in place;
Fig. 6 is the structural representation in the utility model when bridge surface;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the structural representation of front carrying roller supporting mechanism and rear carrying roller supporting mechanism in novel large-tonnage Bridge Erector midfoot support device;
Fig. 9 is A-A sectional view in Fig. 8.
Detailed description of the invention
As shown in Fig. 1-Fig. 9, novel large-tonnage Bridge Erector midfoot support device, comprise front leg strut 1 and the rear support leg 2 being positioned at front leg strut 1 rear, described front leg strut 1 comprises front top rail 3, the left and right sides, front top rail 3 bottom surface is rotatably connected to a support member respectively by front hinge 8, front top rail 3 end face is respectively equipped with the front slideway 30 offered in left-right direction in the left and right sides, front tray 5 is slidably connected in front slideway 30, front top rail 3 is provided with for traversing driving oil cylinder 7 before driving front tray 5 to slide along front slideway 30, front tray 5 is provided with front carrying roller supporting mechanism 6.
Rear support leg 2 comprises rear top rail 11, the left and right sides, rear top rail 11 bottom surface is rotatably connected to a horizontally disposed post-equalization beam 16 respectively by rear hinge 15, post-equalization beam 16 two ends are respectively equipped with rear support bracket 12, each rear support bracket 12 is inner coaxial is provided with rear support oil cylinder 18, rear support oil cylinder 18 lower end is provided with rear telescopic mast 19, rear support anchor ear 17 is arranged with outside rear telescopic mast 19, rear top rail 11 end face is respectively equipped with the rear slide 31 offered in left-right direction in the left and right sides, rear pallet 14 is slidably connected in rear slide 31, rear top rail 11 is provided with the rear traversing driving oil cylinder 13 for driving rear pallet 14 to slide along rear slide 31, rear pallet 14 is provided with rear carrying roller supporting mechanism 32.
Front carrying roller supporting mechanism 6 is identical with the structure of rear carrying roller supporting mechanism 32.
Front carrying roller supporting mechanism 6 and rear carrying roller supporting mechanism 32 include left roller rack 25 and right roller rack 26, left roller rack 25 is provided with along the longitudinal direction four left carrier rollers 20, left side guide wheel 22 is provided with on the right side of left roller rack 25, left hook davit 21 is provided with on the left of left roller rack 25, left hook davit 21 upper end is provided with left box body 23, left box body 23 is provided with left motor reducer 27, the left hanging wheel 28 be in transmission connection with left motor reducer 27 is provided with in left box body 23, left hanging wheel 28 is positioned at top on the right side of left side guide wheel 22, the left jacking cylinder 24 between middle two left carrier rollers 20 is vertically provided with in the middle of left roller rack 25.
Right roller rack 26 is provided with along the longitudinal direction four right carrier rollers 29, right side guide wheel 33 is provided with on the left of right roller rack 26, right hook davit 34 is provided with on the right side of right roller rack 26, right hook davit 34 upper end is provided with right case 35, right case 35 is provided with right motor reducer 36, the right hanging wheel 37 be in transmission connection with right motor reducer 36 is provided with in right case 35, right hanging wheel 37 is positioned at top on the left of right side guide wheel 33, is vertically provided with the right jacking cylinder 38 between middle two right carrier rollers 29 in the middle of right roller rack 26.
Girder 39 bottom of large-tonnage Bridge Erector is located between left box body 23 and right case 35, left roller rack 25 is provided with and contacts with girder 39 bottom surface the left support backing plate 40 supported, right roller rack 26 is provided with and contacts with girder 39 bottom surface the right support backing plate 41 supported, on the left of girder 39 and right side foot along its length level be provided with left rail 42 and right guide rail 43, left side guide wheel 22 contacts with left rail 42 left surface, right side guide wheel 33 contacts with right guide rail 43 right flank, left hanging wheel 28 is positioned at directly over left rail 42, right hanging wheel 37 is positioned at directly over right guide rail 43.
Support member is the column 4 be located on bridge pier 44 and/or the front balance arm 9 be located on bridge 45, is fixedly located on bridge pier 44, is provided with the hound 10 of adjustable in length between column 4 sidepiece and bridge pier 44 bottom column 4 by anchoring piece 46; Front balance arm 9 two ends are respectively equipped with front support bracket 47, each front support bracket 47 lower end is coaxial is provided with front support oil cylinder 48, front support oil cylinder 48 lower end is provided with front support dish 49, and front support oil cylinder 48 overcoat has the front support anchor ear 50 between front support dish 49 and front support bracket 47.
The support conversion of front leg strut 1 in novel large-tonnage Bridge Erector midfoot support device when setting a roof beam in place operation and via hole operation, namely gravity during via hole operation on supporting leg is by the carrier roller going down in front carrying roller supporting mechanism 6, and when setting a roof beam in place operation, the gravity of front leg strut more than 1 is that carrier roller does not now stress by the roller rack going down in front carrying roller supporting mechanism 6; When normally setting a roof beam in place, front leg strut 1 is supported on bridge pier 44, and end is across when setting a roof beam in place, and front leg strut 1 is supported on bridge 45 on the surface, and now front leg strut 1 can be realized by the conversion of column 4 with front balance arm 9; For the double width case beam of different center to center distance, reserve the interface of different distance in front top rail 3 and the junction of front hinge 8.With the generation of satisfied erection double width case beam center to center distance; When setting up camber beam, front tray 5 can be driven to move horizontally by manipulating front traversing driving oil cylinder 7, realizing the girder 39 of Bridge Erector and the relative traversing next satisfied demand of setting a roof beam in place between front leg strut 1; When end is across being front support oil cylinder 48 holding capacity avoided in front balance arm 9 when setting a roof beam in place, between front support oil cylinder 48 and front support dish 49, install front support anchor ear 50 additional.
The support conversion of rear support leg 2 in novel large-tonnage Bridge Erector midfoot support device when setting a roof beam in place operation and via hole operation, namely gravity during via hole operation on rear support leg 2 is by the carrier roller going down in rear carrying roller supporting mechanism 32, and when setting a roof beam in place operation, the gravity of rear support leg more than 2 is that carrier roller does not now stress by the roller rack going down in rear carrying roller supporting mechanism 32; For the double width case beam of different center to center distance, reserve the interface of different distance in the junction of top rail and rear hinge.With the change of satisfied erection double width case beam center to center distance; When setting up camber beam, the relative traversing next satisfied demand of setting a roof beam in place between crane ' s major girder 39 with rear support leg 2 can be realized by rear traversing driving oil cylinder; Rear support leg 2 is the maximum supporting leg of holding capacity when setting a roof beam in place operation, rear column distribution beam 12 is installed and hinged with it at post-equalization Liang16Chu, rear column distribution beam 12 installs rear support oil cylinder 18 below, be avoid the rear support oil cylinder 18 in post-equalization beam 16 to bear pressure when setting a roof beam in place, between rear support oil cylinder 18 and rear support dish 19, install rear support anchor ear 17 additional.
As from the foregoing, front carrying roller supporting mechanism 6 of the present utility model and rear carrying roller supporting mechanism 32 can realize front leg strut 1, the supporting point transition of rear support leg 2 under via hole and different work pattern of setting a roof beam in place, to meet the instructions for use of Bridge Erector.Front leg strut 1 of the present utility model normally set a roof beam in place and end across when setting a roof beam in place realize support conversion.Front leg strut 1 and rear support leg 2 all can realize side by column 4 with the conversion of balance arm and be supported on bridge pier 44, and opposite side supporting leg is supported on this extremely special construction requirement of Liang Mianshang.
When the operation of Bridge Erector via hole, the carrier roller of front carrying roller supporting mechanism 6 and rear carrying roller supporting mechanism 32 and the hanging of hanging roller box are taken turns alternately stressed, namely jacking cylinder shrinks, left support backing plate 40 and right support backing plate 41 take off, left hanging wheel 28 rolls on left rail 42, right hanging wheel 37 rolls on right guide rail 43, and whole like this bracing or strutting arrangement just can move along girder 39; After support means bottom portion is fixing, after support backing plate is taken off, carrier roller support girder 39.Operation of setting a roof beam in place is front manipulates left jacking cylinder 24 and right jacking cylinder 38; Height certain for crane ' s major girder 39 jacking, on the roller rack between two carrier rollers, the certain thickness support backing plate of cushioning, so that carrier roller does not stress when setting a roof beam in place operation, and allows roller rack bear pressure.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. the rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device, comprise rear support leg (2), it is characterized in that: described rear support leg (2) comprises rear top rail (11), rear top rail (11) left and right sides, bottom surface is rotatably connected to a horizontally disposed post-equalization beam (16) respectively by rear hinge (15), post-equalization beam (16) two ends are respectively equipped with rear support bracket (12), each rear support bracket (12) is inner coaxial is provided with rear support oil cylinder (18), rear support oil cylinder (18) lower end is provided with rear telescopic mast (19), rear support anchor ear (17) is arranged with outside rear telescopic mast (19), rear top rail (11) end face is respectively equipped with a rear slide (31) of offering in left-right direction in the left and right sides, rear pallet (14) is slidably connected in rear slide (31), rear top rail (11) is provided with the rear traversing driving oil cylinder (13) for driving rear pallet (14) to slide along rear slide (31), rear pallet (14) is provided with rear carrying roller supporting mechanism (32).
2. the rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device according to claim 1, it is characterized in that: described rear carrying roller supporting mechanism (32) comprises left roller rack (25) and right roller rack (26), left roller rack (25) is provided with along the longitudinal direction four left carrier rollers (20), left roller rack (25) right side is provided with left side guide wheel (22), left roller rack (25) left side is provided with left hook davit (21), left hook davit (21) upper end is provided with left box body (23), left box body (23) is provided with left motor reducer (27), be provided with left hanging the be in transmission connection with left motor reducer (27) in left box body (23) to take turns (28), left hanging wheel (28) is positioned at top, left side guide wheel (22) right side, the left jacking cylinder (24) be positioned between middle two left carrier rollers (20) is vertically provided with in the middle of left roller rack (25),
Right roller rack (26) is provided with along the longitudinal direction four right carrier rollers (29), right roller rack (26) left side is provided with right side guide wheel (33), right roller rack (26) right side is provided with right hook davit (34), right hook davit (34) upper end is provided with right case (35), right case (35) is provided with right motor reducer (36), be provided with right hanging the be in transmission connection with right motor reducer (36) in right case (35) to take turns (37), right hanging wheel (37) is positioned at top, right side guide wheel (33) left side, the right jacking cylinder (38) be positioned between middle two right carrier rollers (29) is vertically provided with in the middle of right roller rack (26),
Girder (39) bottom of described large-tonnage Bridge Erector is located between left box body (23) and right case (35), left roller rack (25) is provided with the left support backing plate (40) contacting with girder (39) bottom surface and support, right roller rack (26) is provided with the right support backing plate (41) contacting with girder (39) bottom surface and support, girder (39) left side and right side foot along its length level be provided with left rail (42) and right guide rail (43), left side guide wheel (22) contacts with left rail (42) left surface, right side guide wheel (33) contacts with right guide rail (43) right flank, left hanging wheel (28) is positioned at directly over left rail (42), right hanging wheel (37) is positioned at directly over right guide rail (43).
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| CN201520080473.7U CN204455837U (en) | 2014-12-23 | 2015-02-05 | The rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device |
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| CN201420822075 | 2014-12-23 | ||
| CN2014208220753 | 2014-12-23 | ||
| CN201520080473.7U CN204455837U (en) | 2014-12-23 | 2015-02-05 | The rear support leg braced structures of novel large-tonnage Bridge Erector midfoot support device |
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| CN204455837U true CN204455837U (en) | 2015-07-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735142A (en) * | 2016-05-06 | 2016-07-06 | 郑州新大方重工科技有限公司 | Bridge girder erection machine for prestressed concrete bridge precast section span-by-span splicing construction |
| CN107313358A (en) * | 2017-08-30 | 2017-11-03 | 中国建筑第五工程局有限公司 | For the beam erecting method and Bridge Erector under big longitudinal slope operating mode |
| CN109629433A (en) * | 2018-12-29 | 2019-04-16 | 腾达建设集团股份有限公司 | Bridge Erector paving helps support leg device and the method for bridge construction based on auxiliary leg |
-
2015
- 2015-02-05 CN CN201520080473.7U patent/CN204455837U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735142A (en) * | 2016-05-06 | 2016-07-06 | 郑州新大方重工科技有限公司 | Bridge girder erection machine for prestressed concrete bridge precast section span-by-span splicing construction |
| CN107313358A (en) * | 2017-08-30 | 2017-11-03 | 中国建筑第五工程局有限公司 | For the beam erecting method and Bridge Erector under big longitudinal slope operating mode |
| CN107313358B (en) * | 2017-08-30 | 2019-01-04 | 中国建筑第五工程局有限公司 | For the beam erecting method and Bridge Erector under big longitudinal slope operating condition |
| CN109629433A (en) * | 2018-12-29 | 2019-04-16 | 腾达建设集团股份有限公司 | Bridge Erector paving helps support leg device and the method for bridge construction based on auxiliary leg |
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