CN204982681U - Steel bow member integral translation device - Google Patents
Steel bow member integral translation device Download PDFInfo
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- CN204982681U CN204982681U CN201520576047.2U CN201520576047U CN204982681U CN 204982681 U CN204982681 U CN 204982681U CN 201520576047 U CN201520576047 U CN 201520576047U CN 204982681 U CN204982681 U CN 204982681U
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- guide rail
- abut
- bow member
- translation device
- integral translation
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Abstract
The utility model provides a method of steel bow member integral translation device and translation, the device is equipped with translation device (3) including setting up first guide rail (2) on mixing earth pedestal (1) on first guide rail (2), translation device (3) are connected with abut (4), is equipped with second guide rail (5) on the parados of abut (4) side, and abut (4) are connected with bow member (6), be equipped with reaction frame (7) on translation device (2), reaction frame (7) are connected in drive mechanism (9) of guide rail head end with the setting through connecting rope (8). The utility model discloses the device can reduce arch striking, template, assemble the bow member, work such as loading test, assistance decking. Easy operation, construction cycle is short, and is efficient, has practiced thrift personnel, and equipment has reduced construction cost, and has reduced the high altitude construction time, safety.
Description
Technical field
The utility model relates to a kind of bridge steel plate bow member translating device, particularly a kind of bridge steel plate bow member integral translation device.
Background technology
Freeway of Mountain Range, because being subject to the factor restrictions such as traffic condition that the orographic condition of mountain Gao Gushen, large-scale lifting and haulage device should not reach and limited construction fund, reinforced concrete box girder is made to become conventional bridge type, its design feature be reasonable stress, good stability, shock resistance strong, from great, arch ring construction is complicated, so make the construction difficult point of this type of bridge concentrate on the construction of main arch ring.
Cantilever steel arch-shelf construction reinforced bar concrete arch-type bridge is the method that such bridge construction is conventional, and it has not by the feature of landform restriction, technical maturity.But, when adopting existing cantilever steel arch-shelf construction reinforced bar concrete arch bridge method to construct, normally by after assembled for the moulds such as bow member getting well, mortar or other mould materials is poured into a mould in mould, after to be cast, need by the dismounting such as bow member, template, again assembled good, move to next construction arch ring, do load test, after template of mating formation etc.Pour into a mould again, dismantle.During such operation, steel arch-shelf, template etc. can not move integrally, complicated operation, long construction period, and efficiency is low, and labor intensive takies equipment many, and cost is high, and the work high above the ground time is long, dangerous.
Summary of the invention
The purpose of this utility model is, provides a kind of steel arch-shelf integral translation device and shift method.The utility model device can reduce arch striking, template, assembled bow member, the work such as load test, auxiliary decking.Simple to operate, short construction period, efficiency is high, has saved personnel, equipment, has reduced construction cost, and decreases the work high above the ground time, safety.
The technical solution of the utility model: a kind of steel arch-shelf integral translation device, comprise the first guide rail be arranged on mixed earth pedestal, first guide rail is provided with translating device, translating device is connected with abut, the parados of abut side is provided with the second guide rail, abut is connected with bow member, and described translating device is provided with reaction frame, and reaction frame is connected with the haulage gear being arranged on guide rail head end through connection cord.
Aforesaid steel arch-shelf integral translation device, described abut comprises abut frame, and abut frame is provided with the cavity of arc, and the both sides of cavity are provided with the first baffle plate.
Aforesaid steel arch-shelf integral translation device, described abut frame is connected with bow member through arc connector.
Aforesaid steel arch-shelf integral translation device, described mixed earth pedestal is provided with groove, is provided with off-load sandbox in groove.
Aforesaid steel arch-shelf integral translation device, described first guide rail is provided with the first lubricating layer, and the first guide rail both sides are provided with second baffle.
Aforesaid steel arch-shelf integral translation device, described second guide rail is provided with the second lubricating layer.
Aforesaid steel arch-shelf integral translation device, described second guide rail both sides are provided with bracing frame, are provided with third gear plate between bracing frame and the second guide rail.
Aforesaid steel arch-shelf integral translation device, described first guide rail is connected with mixed earth pedestal through the first anchor rib; Described second guide rail is connected with parados through the second anchor rib.
Compared with prior art, the utility model has following beneficial effect:
1, the equipment saved, machinery, personnel and time, thus reduce construction cost, shortening construction period.The utility model arranges the first track on mixed earth pedestal, parados arranges the second track, after such arch ring has been constructed, only translating device need be moved to next arch ring along the first guide rail and the second guide rail, assembled abut and bow member can be driven to move to next arch ring, thus decrease arch striking, stripping, assembled bow member, loading test, several the work such as template of mating formation, save a large amount of equipment, machinery, personnel and time, thus reduce construction cost, shortening construction period.Applicant finds through test of many times, compares existing shift method, by analysis, obtains a result in table 1.
The utility model does not take the equipment such as crane simultaneously, decreases the use amount of equipment, reduces cost.
2, the feature of easy, easy control.Utilize off-load sandbox to unload frame, do not change the stress morphology of bow member, in bow member, do not produce secondary stress, there is the feature of easy, easy control.Off-load sandbox unloads frame to overall bow member, can effectively control to unload frame process, increases globality and the stability of unloading frame, and safety is guaranteed.
3, assembled, easy construction, construction accurately.Concave shaped cavity is set, the head end of bow member can be made easily to be positioned in cavity, assembled convenience.Arrange the first baffle plate in the both sides of cavity, stagger when bow member can be avoided to be connected with abut phenomenon, makes construction accurate.Abut and bow member are linked together by arc connector, the head end because of bow member is arc, the connection of abut and bow member can be made so more firm, make easy construction.Groove is set, off-load sandbox can be placed in groove, support abut by off-load sandbox like this, thus make bow member can better be in the height that need pour into a mould, make construction more accurate.After casting complete, the fine sand layering in off-load sandbox evenly can be drawn out, can make that bow member is stratified departs from mortar slowly like this, the shaping of mortar can not be affected, bow member has levels and slowly declines, and the connection of bow member and abut can be made to keep firmly can not loosening, thus can not affect construction quality.
4, second baffle is set in the first guide rail both sides, the bottom surface of translating device can be made not offset along the first guide rail movement.Third gear plate is set, the side of abut can be made not offset along the second guide rail movement.
5, first lubricating layer and the second lubricating layer are set, translating device and abut translation can be made more steadily fast, thus increase work efficiency.
6, be connected with mixed earth pedestal and parados with the second track by the first track respectively with the second anchor rib by the first anchor rib, so the first guide rail and the second guide rail is fixing more firm, can not affect translation.In addition, during with the translation of the utility model device, work high above the ground is not needed, safer.
In summary, the utility model device can reduce arch striking, template, assembled bow member, the work such as load test, auxiliary decking.Simple to operate, short construction period, efficiency is high, has saved personnel, equipment, has reduced construction cost, and decreases the work high above the ground time, safety.
Concrete case
Hanging Nanhe River bridge is that Bijie flies male airport expressway project, beginning and end pile No.: K3+122.255 ~ K3+302.745, total length 180.49m; Bridge superstructure is arranged as: 13m (prefabricated concrete hollow slab)+13m (prefabricated concrete hollow slab)+120(steel concrete fixed-end arch)+13m (prefabricated concrete hollow slab); In main span, gastropore is arranged as 13 × 9.65m (reinforced concrete hollow slab), and main arch ring and the upper framed bent of arch adopt cast-in-place construction, and hollowcore slab adopts, prefabricate and install; Bridge floor establishes 0.5% two-way longitudinal gradient, and knick point is located at main aperture span centre, and vertical curve key element is: R=30000m, T=90m, E=0.14m; Bridge plane is positioned on straight line, and bridge floor is to river bed lowest part discrepancy in elevation 122m.
This bridge main aperture is 120m span deck type ordinary reinforced concrete box arch, and main arch ring is constant section catenary single box double room box-shaped arch, and arch axis coefficient is m=1.765, clean ratio of rise to span 1/5.5, arch ring depth of section 2.2m, width 8.5m, is single box double room section.Main arch ring adopts cantilever arch construction, and design bow member is conducted oneself with dignity 280 tons, falsework 70 tons.Compared with existing apparatus, disregard other flat costs and overhead cost, direct labor can be saved and take 37.7 ten thousand yuan, save cost of equipment 34.4 ten thousand yuan, multipurpose material expense 0.4 ten thousand yuan, add up to saving 71.7 ten thousand yuan; And save 60 days durations.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A structural representation;
Fig. 3 is B-B structural representation;
Fig. 4 is abut shelf structure schematic diagram;
Fig. 5 is abut structural representation.
Being labeled as in accompanying drawing: 1-mixes earth pedestal, 2-first guide rail, 3-translating device, 4-abut, 5-second guide rail, 6-bow member, 7-reaction frame, 8-connection cord, 9-haulage gear, 10-abut frame, 11-cavity, 12-first baffle plate, 13-groove, 14-off-load sandbox, 15-second baffle, 16-first lubricating layer, 17-bracing frame, 18-third gear plate, 19-second lubricating layer, 20-first anchor rib, 21-second anchor rib, 22-arc connector.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described, but not as the foundation limited the utility model.
Embodiment.A kind of steel arch-shelf integral translation device, is formed as Figure 1-5.Comprise the first guide rail 2 be arranged on mixed earth pedestal 1, first guide rail 2 is provided with translating device 3, translating device 3 is connected with abut 4, the parados of abut 4 side is provided with the second guide rail 5, abut 4 is connected with bow member 6, described translating device 2 is provided with reaction frame 7, and reaction frame 7 is connected with the haulage gear 9 being arranged on guide rail head end through connection cord 8.
Described abut 4 comprises abut frame 10, and abut frame 10 is provided with the cavity 11 of arc, and the both sides of cavity 11 are provided with the first baffle plate 12.
Described abut frame 10 is connected with bow member 6 through arc connector 22.
Described mixed earth pedestal 1 is provided with groove 13, is provided with off-load sandbox 14 in groove 13.
Described first guide rail 2 is provided with the first lubricating layer 16, first guide rail 2 both sides and is provided with second baffle 15.
Described second guide rail 5 is provided with the second lubricating layer 19.
Described second guide rail 5 both sides are provided with bracing frame 17, are provided with third gear plate 18 between bracing frame 17 and the second guide rail 5.
Described first guide rail 2 is connected with mixed earth pedestal 1 through the first anchor rib 20; Described second guide rail 5 is connected with parados through the second anchor rib 21.
The construction of arch bridge mainly comprises the following steps:
1, the mixed earth cast on bow member;
2, bow member move to next construction arch ring place;
When 3, moving to next construction arch ring place, the mixed earth cast on bow member.
Specific as follows: abut 4 to be placed on the first guide rail 2, the head end of bow member 6 is placed in cavity 11, being connected with abut 4 by bow member 6 by connector 22 uses lifting jack to be promoted by abut 4, thus make bow member 6 up, load dry fine sand in the forward direction off-load sandbox 14 of lifting, after precompressed, the gap pitch between the top heart and tank wall is tamped.When bow member 6 goes upward to pouring position, dry fine sand will be filled and off-load sandbox 14 after compacting is positioned in groove 13, abut 4 is supported like this by off-load sandbox 14, thus make bow member 6 can better be in the height that need pour into a mould, make construction more accurate, now lifting jack does not work, off-load sandbox 14 supports and makes bow member 6 be positioned at the position that need pour into a mould, arch ring concrete is built by the program of design, health, after concrete reaches 85% of design strength, carry out again unloading frame work, before this, remove arch ring side form, form removal answers block-by-block template to carry out, forbid the disposable stripping of large area, prevent from damaging concrete, and avoid damaged template.The template pulled down will be cleared up in time, removes concrete remaining on plate face, brush oil, repairs the template damaged.After form removal, arch ring concrete surface leaves the pull bar embedded conical aperture of marshalling, should repair in time.Then cleaning remains in the foreign material such as concrete block, reinforcing bar that bow member 6 may fall, and removes support and the bed die of arch springing position, and checks the tightness of bow member bolt.After shaping mortar drying to be cast, can unload, before implementing to unload frame, the first track and the second track be coated with lubrication oil.The pocket preparing 20 sand loadings in advance is put into off-load sandbox 14 position, is circulated into by water in off-load sandbox 14, makes sand soft.Remove the cover plate of off-load sandbox 14 sand export subsequently, start to draw sand.In off-load sandbox 14, sand answers layering evenly to draw out, and must not concentrate and empty a position.And all off-load sandboxs 14 speed of shaking out should be consistent, and must not occur that first single off-load sandbox 14 sinks to the phenomenon at the end.Bow member 6 often declines 2cm, and two sides contact once, understands the decline situation of the other side, after adjustment falling head is consistent, then continues to draw sand.Bow member 6 falls after frame puts in place, removes off-load sandbox 14, checks the demoulding situation of bed die, find to also have the template of pressing close to remove in time, must ensure that whole bow member 6 can not contact with concrete surface.Bow member 6 is falling to putting up merit, carries out after bed die departs from completely.Carry out translation work, namely by connection cord 8, reaction frame 7 is connected with haulage gear 9 simultaneously, check and guarantee that whole tensioning system is firm, then stretch-draw haulage gear 9, test slip stretching force, the travel distance of test process is unsuitable excessive, pulls, makes abut 4 and bow member 6 move to next arch ring of constructing along the first guide rail 2 and the second guide rail 5 respectively.Before formal enforcement is traversing, first relevant technician and workman is carried out and confide a technological secret, distribute respective post.Bow member 6 is traversing should slowly carry out, and each stroke will measure the displacement at arch springing, vault, 1/4L and 3/4L place, checks that whether the displacement of 5 points is consistent, will adjust in time time different.During arch bridge walking, the stretching force of each run is kept a record, and suitably tightens up or loosen unrestrained wind on bow member 6.Bow member 6 is traversing put in place after, measure bow member observation point absolute altitude immediately, according to the top lifting height of this data determination bow member 6.Remove stretch-draw haulage gear 9.Then by lifting jack jacking bow member slowly, the stroke of each point lifting jack must be consistent, in order to avoid bow member topples.Can a bank jacking, best two sides are synchronous, and lifting jack need start simultaneously, often rises 3cm, and survey crew is just checked once, and leveling once, must ensure the stability of bow member 6 jacking.After bow member 6 jacking puts in place, in groove 13, install off-load sandbox 14, off-load sandbox 14 must carry out precompressed before installing.The tight distribution beam bottom surface of off-load sandbox 14 end face metal mat, simultaneously in distribution beam two ends shaped steel or steel plate temporary support.Remove lifting jack afterwards, remove the temporary support at distribution beam two ends, cast.Repetition aforesaid operations.The utility model device can reduce arch striking, template, assembled bow member, the work such as load test, auxiliary decking.Simple to operate, short construction period, efficiency is high, has saved personnel, equipment, has reduced construction cost, and decreases the work high above the ground time, safety.
Claims (8)
1. a steel arch-shelf integral translation device, it is characterized in that: comprise the first guide rail (2) be arranged on mixed earth pedestal (1), first guide rail (2) is provided with translating device (3), translating device (3) is connected with abut (4), the parados of abut (4) side is provided with the second guide rail (5), abut (4) is connected with bow member (6), described translating device (2) is provided with reaction frame (7), and reaction frame (7) is connected with the haulage gear (9) being arranged on guide rail head end through connection cord (8).
2. steel arch-shelf integral translation device according to claim 1, is characterized in that: described abut (4) comprises abut frame (10), and abut frame (10) is provided with the cavity (11) of arc, and the both sides of cavity (11) are provided with the first baffle plate (12).
3. steel arch-shelf integral translation device according to claim 2, is characterized in that: described abut frame (10) is connected with bow member (6) through arc connector (22).
4. steel arch-shelf integral translation device according to claim 1, is characterized in that: described mixed earth pedestal (1) is provided with groove (13), is provided with off-load sandbox (14) in groove (13).
5. steel arch-shelf integral translation device according to claim 1, is characterized in that: described first guide rail (2) is provided with the first lubricating layer (16), and the first guide rail (2) both sides are provided with second baffle (15).
6. according to steel arch-shelf integral translation device according to claim 1, it is characterized in that: described second guide rail (5) is provided with the second lubricating layer (19).
7. steel arch-shelf integral translation device according to claim 1, is characterized in that: described second guide rail (5) both sides are provided with bracing frame (17), are provided with third gear plate (18) between bracing frame (17) and the second guide rail (5).
8. according to steel arch-shelf integral translation device according to claim 1, it is characterized in that: described first guide rail (2) is connected with mixed earth pedestal (1) through the first anchor rib (20); Described second guide rail (5) is connected with parados through the second anchor rib (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576047.2U CN204982681U (en) | 2015-08-04 | 2015-08-04 | Steel bow member integral translation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576047.2U CN204982681U (en) | 2015-08-04 | 2015-08-04 | Steel bow member integral translation device |
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| CN204982681U true CN204982681U (en) | 2016-01-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133505A (en) * | 2015-08-04 | 2015-12-09 | 贵州桥梁建设集团有限责任公司 | Steel arch whole translation device and translation method |
| CN110438907A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团第三工程有限公司 | A kind of Deck Arch Bridges construction method based on steel arch-shelf |
| CN110438906A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团有限公司 | A kind of deck type box arch bridge arch rib construction method |
| CN110438908A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团第三工程有限公司 | A kind of deck type box arch bridge rebuilding construction method |
| CN111350137A (en) * | 2020-03-13 | 2020-06-30 | 宁夏绿筑集成科技有限公司 | Assembled is longeron thrustor for construction |
-
2015
- 2015-08-04 CN CN201520576047.2U patent/CN204982681U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133505A (en) * | 2015-08-04 | 2015-12-09 | 贵州桥梁建设集团有限责任公司 | Steel arch whole translation device and translation method |
| CN110438907A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团第三工程有限公司 | A kind of Deck Arch Bridges construction method based on steel arch-shelf |
| CN110438906A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团有限公司 | A kind of deck type box arch bridge arch rib construction method |
| CN110438908A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团第三工程有限公司 | A kind of deck type box arch bridge rebuilding construction method |
| CN110438908B (en) * | 2019-08-22 | 2022-02-08 | 中铁二十局集团第三工程有限公司 | Deck-type box-type arch bridge reconstruction construction method |
| CN110438906B (en) * | 2019-08-22 | 2022-02-15 | 中铁二十局集团有限公司 | Arch rib construction method for deck box type arch bridge |
| CN110438907B (en) * | 2019-08-22 | 2022-03-15 | 中铁二十局集团第三工程有限公司 | Deck type arch bridge construction method based on steel arch frame |
| CN111350137A (en) * | 2020-03-13 | 2020-06-30 | 宁夏绿筑集成科技有限公司 | Assembled is longeron thrustor for construction |
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