CN203755178U - Novel ultra-wide large-span specially-shaped steel arch bridge construction device - Google Patents
Novel ultra-wide large-span specially-shaped steel arch bridge construction device Download PDFInfo
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- CN203755178U CN203755178U CN201420105533.1U CN201420105533U CN203755178U CN 203755178 U CN203755178 U CN 203755178U CN 201420105533 U CN201420105533 U CN 201420105533U CN 203755178 U CN203755178 U CN 203755178U
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Abstract
The utility model relates to a steel arch bridge construction device, in particular to a novel ultra-wide large-span specially-shaped steel arch bridge construction device. The novel ultra-wide large-span specially-shaped steel arch bridge construction device comprises a hanging device, a welding device and a cutting device and further comprises an under-beam temporary supporting assembly. The under-beam temporary supporting assembly comprises multiple lattice type support columns. A beam is arranged at the top ends of the lattice type support columns. Adjusting supports used for supporting a main arch and small supports used for supporting an auxiliary arch are fixedly installed on the beam. The steel arch bridge construction device further comprises a scaffold for a temporary buttress, a steel beam box vertical channel, a temporary buttress top work platform and a scaffold for welding the bottom face of a steel beam box. The novel ultra-wide large-span specially-shaped steel arch bridge construction device is convenient to erect safely and rapidly, high in operability, capable of relieving labor intensity, saving construction cost, guaranteeing construction quality and improving construction efficiency and high in safety and reliability performance in the construction process.
Description
Technical field
The utility model relates to a kind of steel arch bridge building equipment, particularly relates to a kind of novel super roomy across different in nature steel arch bridge building equipment.
Background technology
Super roomy across profile iron arch bridge structure novel form, except having compared with disaster and be outside one's consideration in design, in construction and construction technology, also there is larger challenge.Such super wide, greatly across, profile iron arch bridge structure complex structure, difficulty of construction is large, there is no at home case history can reference.Therefore, according to steel arch bridge construction characteristic, in conjunction with super scene wide, the medium-and-large-sized member of long-span steel arch bridge, set up requirement, research and design is a kind of sets up safely and fast, workable, reduce labour intensity, guarantee construction quality, be convenient to the novel super roomy across different in nature steel arch bridge building equipment of popularization, tool is of great significance.
Summary of the invention
The technical problems to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art exactly, and provide a kind of, sets up safely and fast, workable, reduces labour intensity, guarantees construction quality, is convenient to the novel super roomy across different in nature steel arch bridge building equipment of popularization.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of novel super roomy across different in nature steel arch bridge building equipment, comprise hanging apparatus, welder and cutter sweep, also comprise temporary supporting assembly under beam, under described beam, temporary supporting assembly comprises a plurality of lattice stent struts, top at each lattice stent strut is provided with crossbeam, on crossbeam, fixed installation is useful on and supports the adjusting support of main arch and for supporting the small rack of subarch, this equipment also comprises lower channel on scaffold for temporary rest pier, girder steel case, temporary rest pier top working platform and steel case soffit welding scaffold.
Described lattice stent strut is spliced by organizing lattice column successively.
Every group of lattice column is that 4 steel pipes and angle steel form lattice, is fixedly connected with between each steel pipe with channel-section steel or i iron simultaneously.
In both sides, limit, the crossbeam edge of a wing, be provided with a plurality of steel plates that keep at a certain distance away.
Described temporary rest pier arranges upper and lower steel cat ladder with stull place that scaffold is included in buttress, at the outer guard rail that is arranged with of cat ladder.
On described girder steel case, lower channel is the chute up and down arranging in part temporary rest pier, comprises the safe protective railing of chute skeleton and two avris.
Described temporary rest pier top working platform is arranged on the top of steel pipe support column.
Weld with scaffold as to weld reserved steel pipe scaffolding suspension ring in steel case soffit described steel case soffit.
Also comprise the interim drag-line being arranged between major-minor arch and bridge floor hanger.
The beneficial effect of technical solutions of the utility model is:
1, structurally, the utility model super roomy across temporary supporting assembly under the contained beam of different in nature steel arch bridge building equipment according to steel arch bridge construction characteristic, in conjunction with super scene wide, the medium-and-large-sized member of long-span steel arch bridge, set up requirement, supporting way, backing positions setting have been carried out to abundant optimization, reduced the engineering time of girder and arch rib, saved construction cost, simultaneously the structure design of temporary supporting assembly under this beam, the also dismounting of constructability process, has further improved efficiency of construction.
2, structurally, the design of the utility model falsework adopts steel pipe frame column pier support, and arranging according to the segmentation situation of steel case beam of stent strut arranges; Every group of lattice column is that 4 steel pipes and angle steel form lattice, between 4 steel pipes of lattice column, with channel-section steel or i iron, connects, and adds stiff stability; Support height determines according to the height on steel case soffit and ground, and longitudinal pitch is made length and determines with case beam.Workable, structure stress is reasonable simultaneously, has improved the utilization rate of material.
3, structurally, the utility model arranges crossbeam on each lattice stent strut top, both sides, limit, the crossbeam edge of a wing are provided with a plurality of steel plates that keep at a certain distance away, and as the post supporting of steel case beam, shelve a little, and crossbeam is also to connect column to become one of main member of general frame simultaneously; Arranging of post support is mainly in order to regulate the height of head tree support, is also convenient to the dismounting of total support simultaneously.Two avris at upper and lower steel cat ladder and the upper and lower contained chute skeleton of chute are equipped with safe protective railing and go along with sb. to guard him measure safely, guarantee the safety of upper and lower pedestrian and work.Structure stress is reasonable, safe and reliable.
4, to sum up, the utility model is super to be roomyly convenient to set up safely and fast across different in nature steel arch bridge building equipment, workable, reduced labour intensity, saved construction cost, guaranteed that construction quality simultaneously, also improved efficiency of construction, and work progress safety and reliability are high, therefore, be very suitable for promotion and implementation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is the super roomy construction flow chart across different in nature steel arch bridge building equipment of the utility model;
Fig. 2 is the super roomy structural representation across temporary supporting assembly under the beam of different in nature steel arch bridge building equipment of the utility model;
Fig. 3 is the super roomy lifting of the arch across the different in nature steel arch bridge building equipment sequential schematic one of the utility model;
Fig. 4 is the super roomy lifting of the arch across the different in nature steel arch bridge building equipment sequential schematic two of the utility model;
Fig. 5 is the super roomy lifting of the arch across the different in nature steel arch bridge building equipment sequential schematic three of the utility model;
Fig. 6 is the super roomy lifting of the arch across the different in nature steel arch bridge building equipment sequential schematic four of the utility model;
Fig. 7 is the super roomy lifting of the arch across the different in nature steel arch bridge building equipment sequential schematic five of the utility model;
Fig. 8 is the interim drag-line schematic diagram in the utility model super roomy major-minor across different in nature steel arch bridge building equipment arch cross section;
Sequence number in figure: 1, lattice stent strut, 2, crossbeam, 3, regulate support, 4, small rack, 5, interim drag-line, 6, crawler crane, 7, main arch, 8, subarch, 9, bridge floor hanger.
the specific embodiment
Embodiment mono-:
Referring to Fig. 1 to Fig. 7, in figure, the utility model is super roomy across different in nature steel arch bridge building equipment, comprise hanging apparatus, welder and cutter sweep, also comprise temporary supporting assembly under beam, under described beam, temporary supporting assembly comprises a plurality of lattice stent struts 1, on the top of each lattice stent strut, be provided with crossbeam 2, on crossbeam, fixed installation is useful on and supports the adjusting support 3 of main arch 7 and for supporting the small rack 4 of subarch 8, this equipment also comprises temporary rest pier scaffold, lower channel on girder steel case, temporary rest pier top working platform and steel case soffit welding scaffold.Described lattice stent strut is spliced by organizing lattice column successively.Every group of lattice column is that 4 steel pipes and angle steel form lattice, is fixedly connected with between each steel pipe with channel-section steel or i iron simultaneously.In both sides, limit, the crossbeam edge of a wing, be provided with a plurality of steel plates that keep at a certain distance away.Described temporary rest pier arranges upper and lower steel cat ladder with stull place that scaffold is included in buttress, at the outer guard rail that is arranged with of cat ladder.On described girder steel case, lower channel is the chute up and down arranging in part temporary rest pier, comprises the safe protective railing of chute skeleton and two avris.Described temporary rest pier top working platform is arranged on the top of steel pipe support column.Weld with scaffold as to weld reserved steel pipe scaffolding suspension ring in steel case soffit described steel case soffit.Also comprise the interim drag-line 5 being arranged between major-minor arch and bridge floor hanger 9, strengthen the stability of work progress.Described hanging apparatus is crawler crane 6.
Work progress of the present utility model is as follows:
Construction technology process of the present utility model is referring to Fig. 1, the order that wherein main bridge bridge location is installed: 1. support is set up, and 2. lifts steel case beam (25# pier-26# pier, 28# pier-27# pier, in across from both sides to centre), 3. steel arch, 4. fill major-minor arch and link bar, adjust Suo Li, 5. tear support open.
The bridge location installation procedure of steel case beam and steel arch rib wherein: steel case beam hoisted in position → be connected location → longitudinal joint, piece → assembly welding work shape connecting piece → assembly welding decorative panel unit → location, girth welding → embedding dribbleware assembly welding → steel case close up → assembly welding of beam sidewalk arch springing → high-strength bolt are executed stubborn → location each main arch section → main arch section of assembly welding and closed up → locate each subarch section → subarch section of assembly welding and close up → locate assembly welding connecting piece → cut off interim connector → coating dress.
Main key points for operation of the present utility model are as follows:
The design of falsework adopts steel pipe frame column pier support, and arranging according to the segmentation situation of steel case beam of stent strut arranges.Every group of lattice column is that 4 ￠ 273*6mm steel pipes and angle steel form lattice, between 4 steel pipes of lattice column, with 20# channel-section steel or i iron, connects, and adds stiff stability.Support height determines according to the height on steel case soffit and ground, and longitudinal pitch is made length and determines with case beam.The assembled employing 25t mobile crane of falsework carries out assembled, and stent strut adopts standard sections form, first parts machining is well carried out assembled afterwards to scene.
Rack beam: H700x300x13x24 crossbeam is set on each lattice stent strut top, both sides, limit, the crossbeam edge of a wing need be strengthened with upper steel plate with 10mm, be spaced apart 1 meter, as the post supporting of steel case beam, shelve a little, crossbeam is also to connect column to become one of main member of general frame simultaneously.
Post support arranges: arranging of post support is mainly in order to regulate the height of head tree support, is also convenient to the dismounting of total support simultaneously.Generally highly be controlled at below 0.6m.Specific practice is: after steel pipe frame column support all sets up, support top cross arranges an elongated gooseneck, and horizontal direction is shelved., the load bearing cross beam of shelving as steel case beam, and support welding fixation; Welding post bracing frame (16-20# channel-section steel Two bors d's oeuveres or 15-20# i iron) is then installed on crossbeam, and each two ends of saving the segmentation of steel case beam respectively arrange two little pillars.Following 20cm place, post top, arranges bearing diagonal, by shaped steel (angle steel or channel-section steel) firm welding.
Temporary rest pier scaffold, can be directly arranges upper and lower steel cat ladder (on the ground time, be first installed on support) in stull place of buttress, carries out peripheral guard rail simultaneously.
Lower channel on steel case beam, adopt in part temporary rest pier the chute up and down of 1 meter wide is set, chute skeleton is 3-4 root steel pipe scaffolding, and the bamboo lotus of upper berth 0.8*1.2m is fixed with steel pipe scaffolding, two avris are carried out safe protective railing and are gone along with sb. to guard him measure safely simultaneously, guarantee the safety of upper and lower pedestrian and work.
Temporary rest pier top working platform, at the top of steel pipe support column, with the long plank laying of the thick 4-5 rice of 5cm work pin hand platform, and has fixedly secured plank and steel pipe with iron wire.
Steel case soffit welding scaffold, adopts the reserved steel pipe scaffolding suspension ring of steel case soffit welding.Before steel case beam lifting, the steel pipe in suspension ring is temporarily fixed under case beam base plate face, after steel case beam hoisted in position, then high-altitude is taken and is put the special-purpose scaffold of girth welding again, makes steel pipe fixation.In side, set up security insurance wire rope, staff's safety belt is directly buckled on wire rope, carries out the safety guarantee work of work high above the ground simultaneously.
The foregoing is only the schematic specific embodiment of the utility model; not in order to limit scope of the present utility model; any those skilled in the art is not departing from equivalent variations and the modification of making under the prerequisite of the utility model design and principle, all should belong to the scope of the utility model protection.
Claims (9)
- One kind novel super roomy across different in nature steel arch bridge building equipment, comprise hanging apparatus, welder and cutter sweep, it is characterized in that: also comprise temporary supporting assembly under beam, under described beam, temporary supporting assembly comprises a plurality of lattice stent struts, top at each lattice stent strut is provided with crossbeam, on crossbeam, fixed installation is useful on and supports the adjusting support of main arch and for supporting the small rack of subarch, this equipment also comprises lower channel on scaffold for temporary rest pier, girder steel case, temporary rest pier top working platform and steel case soffit welding scaffold.
- 2. according to claim 1 novel super roomy across different in nature steel arch bridge building equipment, it is characterized in that: described lattice stent strut is spliced by organizing lattice column successively.
- 3. according to claim 2 novel super roomy across different in nature steel arch bridge building equipment, it is characterized in that: every group of lattice column is that 4 steel pipes and angle steel form lattice, is fixedly connected with between each steel pipe with channel-section steel or i iron simultaneously.
- 4. according to claim 1 novel super roomy across different in nature steel arch bridge building equipment, it is characterized in that: in both sides, limit, the crossbeam edge of a wing, be provided with a plurality of steel plates that keep at a certain distance away.
- 5. according to claim 1 novel super roomy across different in nature steel arch bridge building equipment, it is characterized in that: described temporary rest pier arranges upper and lower steel cat ladder with stull place that scaffold is included in buttress, at the outer guard rail that is arranged with of cat ladder.
- 6. according to claim 1 novel super roomy across different in nature steel arch bridge building equipment, it is characterized in that: on described girder steel case, lower channel is the chute up and down arranging in part temporary rest pier, comprise the safe protective railing of chute skeleton and two avris.
- 7. according to claim 1 novel super roomy across different in nature steel arch bridge building equipment, it is characterized in that: described temporary rest pier top working platform is arranged on the top of steel pipe support column.
- 8. according to claim 1 novel super roomy across different in nature steel arch bridge building equipment, it is characterized in that: weld with scaffold as to weld reserved steel pipe scaffolding suspension ring in steel case soffit described steel case soffit.
- 9. according to claim 1 novel super roomy across different in nature steel arch bridge building equipment, it is characterized in that: also comprise the interim drag-line being arranged between major-minor arch and bridge floor hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105533.1U CN203755178U (en) | 2014-03-10 | 2014-03-10 | Novel ultra-wide large-span specially-shaped steel arch bridge construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105533.1U CN203755178U (en) | 2014-03-10 | 2014-03-10 | Novel ultra-wide large-span specially-shaped steel arch bridge construction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203755178U true CN203755178U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420105533.1U Expired - Fee Related CN203755178U (en) | 2014-03-10 | 2014-03-10 | Novel ultra-wide large-span specially-shaped steel arch bridge construction device |
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| CN (1) | CN203755178U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214920A (en) * | 2021-12-21 | 2022-03-22 | 安徽省公路桥梁工程有限公司 | Large-span double-layer combined construction steel truss arch bridge and construction method thereof |
| CN114250710A (en) * | 2021-12-30 | 2022-03-29 | 安徽省公路桥梁工程有限公司 | Construction method of steel box tied arch bridge |
| CN114214920B (en) * | 2021-12-21 | 2024-04-30 | 安徽省公路桥梁工程有限公司 | Large-span double-layer built-up steel truss arch bridge and construction method thereof |
-
2014
- 2014-03-10 CN CN201420105533.1U patent/CN203755178U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214920A (en) * | 2021-12-21 | 2022-03-22 | 安徽省公路桥梁工程有限公司 | Large-span double-layer combined construction steel truss arch bridge and construction method thereof |
| CN114214920B (en) * | 2021-12-21 | 2024-04-30 | 安徽省公路桥梁工程有限公司 | Large-span double-layer built-up steel truss arch bridge and construction method thereof |
| CN114250710A (en) * | 2021-12-30 | 2022-03-29 | 安徽省公路桥梁工程有限公司 | Construction method of steel box tied arch bridge |
| CN114250710B (en) * | 2021-12-30 | 2024-04-30 | 安徽省公路桥梁工程有限公司 | Construction method of steel box tied arch bridge |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |