CN105565176A - Single-tower asymmetric cable crane - Google Patents
Single-tower asymmetric cable crane Download PDFInfo
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- CN105565176A CN105565176A CN201610078397.5A CN201610078397A CN105565176A CN 105565176 A CN105565176 A CN 105565176A CN 201610078397 A CN201610078397 A CN 201610078397A CN 105565176 A CN105565176 A CN 105565176A
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- cable
- bank
- anchorage
- king
- mountain valley
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C21/00—Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a single-tower asymmetric cable crane. The single-tower asymmetric cable crane comprises an east bank anchor arranged on a mountain of a valley east bank, a tower frame arranged on a valley west bank lower than the valley east bank in terrain, and a west bank anchor arranged on a mountain of the valley west bank on the back side of the tower frame; a bearing cable spanning over a valley is tensioned between the east bank anchor and the west bank anchor by spanning over the tower frame; a lifting pulley is arranged on the bearing cable, and is provided with a towing cable and a lifting cable; the towing cable is connected to a towing windlass arranged on the valley east bank and/or the valley west bank; and the lifting cable is connected to a lifting windlass arranged on the valley east bank and/or the valley west bank. According to the single-tower asymmetric cable crane, the bearing cable on the valley east bank is directly anchored in the mountain of the valley east bank; the tower frame is arranged on the side of the valley west bank; and the bearing cable passes through the tower frame to be anchored on the mountain of the valley west bank. The cable tower construction time is saved on construction period; the cost is saved on economy; and the difficulty of incapability of setting a cable tower is solved on construction difficulty.
Description
Technical field
The present invention is used for technical field of bridge construction, particularly relates to the asymmetric cable crane of a kind of single tower.
Background technology
With a varied topography, be difficult to the workyard of passing through, as the earthwork of low lying areas, the mass transport in the area such as dam, river, mountain valley, needs to arrange large span cable crane and carrys out convey materials to place needed for each.
Along with progress and the expanding economy of science and technology, bridge construction is rapidly developed.Cable crane is as Longspan Bridge, and especially one of the conventional construction method of Arch Bridge Construction is paid close attention to more and more widely.In long-span arch bridge, when reinforced concrete arch bridge adopts cantilever construction, cable crane is the only selection coordinating its construction, and cable crane mainly wide with transport space scope, that starting parcel weight is large feature becomes the condition precedent in Arch Bridge Construction.According to lifting need face outage degree cable crane principal mode be the symmetrical cable crane of double tower, without tower cable crane and the asymmetric cable crane of single tower.
The symmetrical cable crane of existing double tower, is only applicable to the engineering that two sides landform is close.Adopt double tower cable crane, cable tower need be set in two sides, and cable tower anchor ingot is set.Because Arch Bridge Construction major part is in the location crossing over mountain valley or river valley, and with a varied topography, particularly precipitous for two sides mountain shape, the topographic features that the discrepancy in elevation is larger, cable tower install and transport of materials very difficult, not only time-consuming, fund input is also huge.
Summary of the invention
For solving the problem, the invention provides the asymmetric cable crane of a kind of single tower, its cumulated volume engineering topographic features, namely eastern bank mountain shape is precipitous, higher than west bank side, Appropriate application topographical elevation difference, adopt the asymmetric cable crane of single tower, the duration saves the time of construction cable tower, save the cost of the construction of cable tower, cable tower material economically, difficulty of construction solves because eastern bank landform is precipitous, a difficult problem for cable tower cannot be set.
The technical solution adopted for the present invention to solve the technical problems is: the asymmetric cable crane of a kind of single tower, comprise the eastern bank anchorage be located on the bank massif of east, mountain valley, be located at physical features lower than the pylon on the west bank, mountain valley of east, mountain valley bank and the west bank anchorage on being located on rear side of described pylon west bank, mountain valley massif, stride across the stretch-draw between eastern bank anchorage and west bank anchorage of described pylon and have the track cable striding across mountain valley, track cable has been provided with hanging pulley, rise on hanging pulley and trailing cable and hoisting line are set, described trailing cable is connected to the rack winch be located on mountain valley east bank and/or west bank, mountain valley, described hoisting line is connected to the hoisting winding be located on mountain valley east bank and/or west bank, mountain valley.
Be further used as the improvement of technical solution of the present invention, described rack winch is located at east, mountain valley bank, and west bank anchorage is provided with the first built-in fitting turning to described trailing cable.
Be further used as the improvement of technical solution of the present invention, described hoisting winding is located at east, mountain valley bank, and west bank anchorage is provided with the second built-in fitting turning to described hoisting line.
Be further used as the improvement of technical solution of the present invention, described eastern bank anchorage is provided with anchorage guide groove, the track cable anchorage trave lling girder connecting track cable is provided with in anchorage guide groove, track cable anchorage trave lling girder is provided with the jack of securable track cable, rear support beam is provided with on rear side of the bottom of track cable anchorage trave lling girder, the rear side cell wall of anchorage guide groove is provided with rear side rail at the offside of rear support beam, rear support beam is provided with the rear walking wheel that laterally can roll along rear side rail, front support beam is provided with on front side of the top of track cable anchorage trave lling girder, the front side cell wall of anchorage guide groove is provided with front side rail at the offside of front support beam, rear support beam is provided with the front walking wheel that laterally can roll along front side rail.
Be further used as the improvement of technical solution of the present invention, the top of described track cable anchorage trave lling girder is provided with haulage cable guide wheel, and described trailing cable strides across haulage cable guide wheel and is connected to rack winch on rear side of eastern bank anchorage.
Be further used as the improvement of technical solution of the present invention, the bottom of described eastern bank anchorage is provided with the first pile foundation squeezed on the bank massif of east, mountain valley, described first pile foundation comprises the first tension stake and is positioned at the first compressive pile on front side of described first tension stake, the bottom of described west bank anchorage is provided with the second pile foundation squeezed on the massif of west bank, mountain valley, and described second pile foundation comprises the second tension stake and is positioned at the second compressive pile on rear side of described second tension stake.
Be further used as the improvement of technical solution of the present invention, described pylon is the twin columns gate-type Sarasota comprising king-post and tower top truss, described tower top truss top is provided with saddle guide rail and can along the saddle of described saddle slide, and described saddle is provided with the pulley striden across for described track cable, trailing cable and hoisting line.
Be further used as the improvement of technical solution of the present invention, the top of described pylon is provided with wind cable distribution beam in the downside of saddle guide rail, wind cable distribution beam is equipped with wind cable anchorage in the both sides, front and back of pylon, stretch-draw wind cable between wind cable anchorage and west bank, mountain valley massif.
Be further used as the improvement of technical solution of the present invention, the connection system that described king-post comprises four steel pipes and is integrated by four described steel pipe connectings, west bank, mountain valley massif is provided with king-post basis, king-post basis is provided with the free bearing connecting described king-post, described free bearing comprises the lower hinged seat be contained in by the 3rd built-in fitting on described king-post basis, be contained in the upper hinged seat on described lower hinged seat by bearing pin and be located at described upper hinged seat top and can with the bottom steel pipe of four of a king-post steel pipe by the first Flange joint, the cement concrete of vibration compacting is built in the steel pipe of described bottom, described king-post basis is provided with the steel stack that can limit hinged seat and swing around bearing pin in the both sides of lower hinged seat, described steel stack is contained on described king-post basis by the 4th built-in fitting.
Be further used as the improvement of technical solution of the present invention, described pylon is provided with some intercolumniations and connects system between two king-posts, described tower top truss comprises the left side truss and right side truss that are positioned at two king-post tops, left side truss and right side truss are by the second Flange joint, left side truss and right side truss all have some truss joint steel pipes, described left side truss, right side truss is provided with internal lining pipe in the junction with truss joint steel pipe, diagonal brace is equipped with between described tower top truss and two king-posts, bottom tower top truss be provided with the diagonal brace hinged seat being connected described diagonal brace inside king-post, tower top truss, two king-posts are provided with internal lining pipe in the junction with diagonal brace hinged seat.
Beneficial effect of the present invention: integration engineering topographic features of the present invention, namely east, mountain valley bank mountain shape is precipitous, higher than side, west bank, mountain valley, Appropriate application topographical elevation difference, adopt the asymmetric cable crane of single tower, namely east, mountain valley bank track cable directly utilizes eastern bank anchorage anchor in the bank massif of east, mountain valley, and side, west bank, mountain valley arranges pylon, track cable, through pylon, is then anchored on the west bank anchorage of west bank, mountain valley massif.The present invention saves the time of construction cable tower by technique scheme on the duration, has saved the cost of the construction of cable tower, cable tower material economically, difficulty of construction has solved because eastern bank landform is precipitous, cannot arrange a difficult problem for cable tower.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is integral structure structural representation of the present invention;
Fig. 2 is west bank of the present invention anchorage structures schematic diagram;
Fig. 3 is the present invention east bank anchorage structures schematic diagram;
Fig. 4 is pylon structure front view of the present invention;
Fig. 5 is pylon structure lateral plan of the present invention;
Fig. 6 is free bearing structural front view of the present invention;
Fig. 7 is free bearing structure side view of the present invention;
Fig. 8 is tower top structural front view of the present invention;
Fig. 9 is tower top structure side view of the present invention.
Detailed description of the invention
Referring to figs. 1 through Fig. 9, that show the concrete structure of the preferred embodiment of the present invention.To the constructional feature of the present invention each element be described in detail below, and if be described to direction (upper and lower, left and right, before and after) time, be with the structure shown in Fig. 1 for reference to describing, but actual user of the present invention is to being not limited thereto.
The invention provides the asymmetric cable crane of a kind of single tower, comprise the eastern bank anchorage 1 be located on the bank massif of east, mountain valley, be located at physical features lower than the pylon 2 on the west bank, mountain valley of east, mountain valley bank and the west bank anchorage 3 on being located on rear side of described pylon 2 west bank, mountain valley massif, stride across the stretch-draw between eastern bank anchorage 1 and west bank anchorage 3 of described pylon 2 and have the track cable 4 striding across mountain valley, track cable 4 has been provided with hanging pulley 5, rise on hanging pulley 5 and trailing cable 6 and hoisting line 7 are set, described trailing cable 6 is connected to the rack winch 8 be located on mountain valley east bank and/or west bank, mountain valley, described hoisting line 7 is connected to the hoisting winding 9 be located on mountain valley east bank and/or west bank, mountain valley.Integration engineering topographic features of the present invention, namely east, mountain valley bank mountain shape is precipitous, higher than side, west bank, mountain valley, Appropriate application topographical elevation difference, adopt the asymmetric cable crane of single tower, namely east, mountain valley bank track cable directly utilizes eastern bank anchorage 1 anchor in the bank massif of east, mountain valley, and side, west bank, mountain valley arranges pylon 2, track cable 4, through pylon 2, is then anchored on the west bank anchorage 3 of west bank, mountain valley massif.The present invention saves the time of construction cable tower by technique scheme on the duration, has saved the cost of the construction of cable tower, cable tower material economically, difficulty of construction has solved because eastern bank landform is precipitous, cannot arrange a difficult problem for cable tower.
As the preferred embodiment of the present invention, with reference to Fig. 1, Fig. 2, described rack winch 8 is located at east, mountain valley bank, west bank anchorage 3 is provided with the first built-in fitting turning to described trailing cable 6, described hoisting winding 9 is located at east, mountain valley bank, and west bank anchorage 3 is provided with the second built-in fitting turning to described hoisting line 7.The bottom of described eastern bank anchorage 1 is provided with 4 2m and squeezes into the first pile foundation on the bank massif of east, mountain valley, the first compressive pile 12 that described first pile foundation comprises the first tension stake 11 and is positioned on front side of described first tension stake 11, the bottom of described west bank anchorage 3 is provided with 4 2m and squeezes into the second pile foundation on the massif of west bank, mountain valley, the second compressive pile 32 that described second pile foundation comprises the second tension stake 31 and is positioned on rear side of described second tension stake 31.
Because lifting the change of sections position, need laterally to adjust Hoisting Position, therefore eastern bank anchorage 1 is designed to packaged type, concrete scheme is as follows: see Fig. 3, described eastern bank anchorage 1 is provided with anchorage guide groove 13, the track cable anchorage trave lling girder 41 connecting track cable 4 is provided with in anchorage guide groove 13, track cable anchorage trave lling girder 41 is provided with the jack 42 of securable track cable 4, rear support beam 43 is provided with on rear side of the bottom of track cable anchorage trave lling girder 41, the rear side cell wall of anchorage guide groove 13 is provided with rear side rail 44 at the offside of rear support beam 43, rear support beam 44 is provided with the rear walking wheel 45 that laterally can roll along rear side rail 44, front support beam 46 is provided with on front side of the top of track cable anchorage trave lling girder 41, the front side cell wall of anchorage guide groove 13 is provided with front side rail 47 at the offside of front support beam 46, rear support beam 43 is provided with the front walking wheel 48 that laterally can roll along front side rail 47.The top of described track cable anchorage trave lling girder 41 is provided with haulage cable guide wheel 49, and described trailing cable 6 strides across haulage cable guide wheel 49 and is connected to rack winch 8 on rear side of eastern bank anchorage 1.
See Fig. 4, Fig. 5, described pylon 2 is the twin columns gate-type Sarasota comprising king-post 21 and tower top truss 22, the saddle 24 that described tower top truss 22 top is provided with saddle guide rail 23 and can slides along described saddle guide rail 23, described saddle 24 is provided with the pulley striden across for described track cable 4, trailing cable 6 and hoisting line 7.
See Fig. 6-Fig. 9, the top of described pylon 2 is provided with wind cable distribution beam 25 in the downside of saddle guide rail 23, wind cable distribution beam 25 is equipped with wind cable anchorage 26 in the both sides, front and back of pylon 2, stretch-draw wind cable 27 between wind cable anchorage 26 and west bank, mountain valley massif.Described king-post 2 comprises four steel pipes 28 and the connection that is connected as a single entity by four described steel pipes 28 is 29, tower height 71m, every king-post 21 cross section is 4m × 4m, centre distance between two king-posts 21 is 20.0m, tower top truss 22 direction across bridge width is 28m, west bank, mountain valley massif is provided with king-post basis 210, king-post basis 210 is provided with the free bearing connecting described king-post 21, described free bearing comprises the lower hinged seat 212 be contained in by the 3rd built-in fitting 211 on described king-post basis 210, be contained in the upper hinged seat 214 on described lower hinged seat 212 by bearing pin 213 and be located at described upper hinged seat 214 top and the bottom steel pipe 216 that can be connected by the first flange 215 with four of king-post 21 steel pipe 28, the cement concrete 217 of vibration compacting is built in described bottom steel pipe 216, described king-post basis 210 is provided with the steel stack 218 that can limit hinged seat 214 and swing around bearing pin 213 in the both sides of lower hinged seat 214, described steel stack 218 is contained on described king-post basis 210 by the 4th built-in fitting 219.
It is 220 that described pylon 2 is provided with 3 road intercolumniations connections between two king-posts 21, described tower top truss 22 comprises the left side truss 221 and right side truss 222 that are positioned at two king-post 21 tops, left side truss 221 and right side truss 222 are by the second Flange joint 223, left side truss 222 and right side truss 223 all have some truss joint steel pipes 224, described left side truss 221, right side truss 222 is provided with internal lining pipe 225 in the junction with truss joint steel pipe 224, diagonal brace 226 is equipped with between described tower top truss 22 and two king-posts 21, bottom tower top truss 22 be provided with the diagonal brace hinged seat 227 being connected described diagonal brace 226 inside king-post 21, tower top truss 22, two king-posts 21 are provided with internal lining pipe 225 in the junction with diagonal brace hinged seat 227.
In the present embodiment, cable crane span is 827+155 rice, two groups of track cables 4, often organizes two and plays hanging pulley 5, and often organize the independent wire strand that track cable 4 is 60 of 6 × 37s+IWR by 8 root type number and form, each hanging pulley 5 is made up of 4 axle 8 lines, 32 walking wheels.Two groups of track cable 4 center-to-center distance 18.3m, saddle 24 is can cross slide type (the traversing scope 9.15m of track cable line of centers), the trailing cable 6 playing hanging pulley 5 is the common hemp center wire line of 28, adopt pull-type drawing method, every root trailing cable 6 walks 2 lines (arranging 1 pulley on saddle He on sport car) within the scope of main span, enter 10t rack winch 8(and do not establish fixed end, steel rope two ends are all entered 10t rack winch and are drawn simultaneously).Hoisting line 7 is the common hemp center wire line of 26, and walk 8 lines and enter 8t hoisting winding 9(and do not establish fixed end, steel rope two ends are all entered 8t hoisting winding and promoted simultaneously).
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (10)
1. the asymmetric cable crane of single tower, it is characterized in that: comprise the eastern bank anchorage be located on the bank massif of east, mountain valley, be located at physical features lower than the pylon on the west bank, mountain valley of east, mountain valley bank and the west bank anchorage on being located on rear side of described pylon west bank, mountain valley massif, stride across the stretch-draw between eastern bank anchorage and west bank anchorage of described pylon and have the track cable striding across mountain valley, track cable has been provided with hanging pulley, rise on hanging pulley and trailing cable and hoisting line are set, described trailing cable is connected to the rack winch be located on mountain valley east bank and/or west bank, mountain valley, described hoisting line is connected to the hoisting winding be located on mountain valley east bank and/or west bank, mountain valley.
2. the asymmetric cable crane of single tower according to claim 1, is characterized in that: described rack winch is located at east, mountain valley bank, and west bank anchorage is provided with the first built-in fitting turning to described trailing cable.
3. the asymmetric cable crane of single tower according to claim 1, is characterized in that: described hoisting winding is located at east, mountain valley bank, and west bank anchorage is provided with the second built-in fitting turning to described hoisting line.
4. the asymmetric cable crane of single tower according to claim 1, it is characterized in that: described eastern bank anchorage is provided with anchorage guide groove, the track cable anchorage trave lling girder connecting track cable is provided with in anchorage guide groove, track cable anchorage trave lling girder is provided with the jack of securable track cable, rear support beam is provided with on rear side of the bottom of track cable anchorage trave lling girder, the rear side cell wall of anchorage guide groove is provided with rear side rail at the offside of rear support beam, rear support beam is provided with the rear walking wheel that laterally can roll along rear side rail, front support beam is provided with on front side of the top of track cable anchorage trave lling girder, the front side cell wall of anchorage guide groove is provided with front side rail at the offside of front support beam, rear support beam is provided with the front walking wheel that laterally can roll along front side rail.
5. the asymmetric cable crane of single tower according to claim 4, is characterized in that: the top of described track cable anchorage trave lling girder is provided with haulage cable guide wheel, and described trailing cable strides across haulage cable guide wheel and is connected to rack winch on rear side of eastern bank anchorage.
6. the asymmetric cable crane of single tower according to claim 4, it is characterized in that: the bottom of described eastern bank anchorage is provided with the first pile foundation squeezed on the bank massif of east, mountain valley, described first pile foundation comprises the first tension stake and is positioned at the first compressive pile on front side of described first tension stake, the bottom of described west bank anchorage is provided with the second pile foundation squeezed on the massif of west bank, mountain valley, and described second pile foundation comprises the second tension stake and is positioned at the second compressive pile on rear side of described second tension stake.
7. the asymmetric cable crane of single tower according to claim 1, it is characterized in that: described pylon is the twin columns gate-type Sarasota comprising king-post and tower top truss, described tower top truss top is provided with saddle guide rail and can along the saddle of described saddle slide, and described saddle is provided with the pulley striden across for described track cable, trailing cable and hoisting line.
8. the asymmetric cable crane of single tower according to claim 7, it is characterized in that: the top of described pylon is provided with wind cable distribution beam in the downside of saddle guide rail, wind cable distribution beam is equipped with wind cable anchorage in the both sides, front and back of pylon, stretch-draw wind cable between wind cable anchorage and west bank, mountain valley massif.
9. the asymmetric cable crane of single tower according to claim 7, it is characterized in that: the connection system that described king-post comprises four steel pipes and is integrated by four described steel pipe connectings, west bank, mountain valley massif is provided with king-post basis, king-post basis is provided with the free bearing connecting described king-post, described free bearing comprises the lower hinged seat be contained in by the 3rd built-in fitting on described king-post basis, be contained in the upper hinged seat on described lower hinged seat by bearing pin and be located at described upper hinged seat top and can with the bottom steel pipe of four of a king-post steel pipe by the first Flange joint, the cement concrete of vibration compacting is built in the steel pipe of described bottom, described king-post basis is provided with the steel stack that can limit hinged seat and swing around bearing pin in the both sides of lower hinged seat, described steel stack is contained on described king-post basis by the 4th built-in fitting.
10. the asymmetric cable crane of single tower according to claim 9, it is characterized in that: described pylon is provided with some intercolumniations and connects system between two king-posts, described tower top truss comprises the left side truss and right side truss that are positioned at two king-post tops, left side truss and right side truss are by the second Flange joint, left side truss and right side truss all have some truss joint steel pipes, described left side truss, right side truss is provided with internal lining pipe in the junction with truss joint steel pipe, diagonal brace is equipped with between described tower top truss and two king-posts, bottom tower top truss be provided with the diagonal brace hinged seat being connected described diagonal brace inside king-post, tower top truss, two king-posts are provided with internal lining pipe in the junction with diagonal brace hinged seat.
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| CN201610078397.5A CN105565176B (en) | 2016-02-03 | 2016-02-03 | A kind of asymmetric cable crane of single column |
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| CN201610078397.5A CN105565176B (en) | 2016-02-03 | 2016-02-03 | A kind of asymmetric cable crane of single column |
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| CN106276627A (en) * | 2016-09-27 | 2017-01-04 | 湖南省中南桥梁安装工程有限公司 | A kind of multi-tower continuous across hoist cable crane |
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| CN106276627A (en) * | 2016-09-27 | 2017-01-04 | 湖南省中南桥梁安装工程有限公司 | A kind of multi-tower continuous across hoist cable crane |
| CN107176548A (en) * | 2017-06-29 | 2017-09-19 | 湖南省中南桥梁安装工程有限公司 | A kind of cable crane overhead traveling crane closed circulation trailer system and traction method |
| CN107176548B (en) * | 2017-06-29 | 2018-06-19 | 湖南省中南桥梁安装工程有限公司 | A kind of cable crane overhead traveling crane closed circulation trailer system and traction method |
| CN107311048A (en) * | 2017-08-30 | 2017-11-03 | 广西路桥工程集团有限公司 | Cable crane |
| CN107344697A (en) * | 2017-08-30 | 2017-11-14 | 广西路桥工程集团有限公司 | Cable boom hoisting |
| CN108639968A (en) * | 2018-06-27 | 2018-10-12 | 中铁十八局集团第二工程有限公司 | Whole lateral moving formula cable crane |
| CN108643058A (en) * | 2018-06-27 | 2018-10-12 | 中铁十八局集团第二工程有限公司 | Anchor after cable crane main rope cross sliding type |
| CN111646101A (en) * | 2019-11-27 | 2020-09-11 | 泰富重工制造有限公司 | Folding type bridge device for circular tube conveyor and installation method of folding type bridge device |
| CN111622121A (en) * | 2020-06-03 | 2020-09-04 | 中铁一局集团厦门建设工程有限公司 | Reeving method for hoisting single-tower cable |
| CN111691294A (en) * | 2020-06-17 | 2020-09-22 | 贵州桥梁建设集团有限责任公司 | Large-tonnage towerless cable anchoring transverse moving device |
| CN112225084A (en) * | 2020-09-29 | 2021-01-15 | 中铁大桥局集团有限公司 | Large-tonnage cable crane bearing system and construction method |
| CN113526365A (en) * | 2021-07-27 | 2021-10-22 | 湖南省中南桥梁安装工程有限公司 | Tower top self-balancing system for hoisting cable and traction cable of cable crane |
| CN113526365B (en) * | 2021-07-27 | 2024-02-27 | 湖南省中南桥梁安装工程有限公司 | Cable crane lifting rope and traction rope tower top self-balancing system |
| CN114150593A (en) * | 2021-12-16 | 2022-03-08 | 长沙理工大学 | Simple demolition and reconstruction structure of arch bridge and method for demolition and reconstruction of arch bridge |
| CN114150593B (en) * | 2021-12-16 | 2024-02-23 | 长沙理工大学 | Simple arch bridge dismantling and reconstructing structure and arch bridge dismantling and reconstructing method |
| CN114644293A (en) * | 2022-05-13 | 2022-06-21 | 山东志者电气科技有限公司 | Processing workshop lifting and transferring system convenient for loading and transporting functions |
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Effective date of registration: 20180130 Address after: Nansha District Nansha street Guangzhou city Guangdong province 510032 Port Street No. 1 Port Avenue South of Hong Kong Air China court office building No. 1 room 2502 Co-patentee after: The Second Co., Ltd. of China Railway Port Channel Engineering Group Patentee after: China Railway Guangzhou Engineering Bureau Group Co Ltd Address before: 510660 Guangzhou Science City, Guangdong Xiang Shan Road, No. 11 Co-patentee before: The Second Co., Ltd. of China Railway Port Channel Engineering Group Patentee before: China Railway Port and Channel Engineering Group Co., Ltd. |
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Address after: 510032 Room 2502, Office Complex Building No. 1, Nansha Street, Nansha District, Guangzhou City, Guangdong Province Co-patentee after: China Railway Guangzhou Engineering Bureau Group Second Engineering Co., Ltd. Patentee after: China Railway Guangzhou Engineering Bureau Group Co Ltd Address before: 510032 Room 2502, Office Complex Building No. 1, Nansha Street, Nansha District, Guangzhou City, Guangdong Province Co-patentee before: The Second Co., Ltd. of China Railway Port Channel Engineering Group Patentee before: China Railway Guangzhou Engineering Bureau Group Co Ltd |