CN112127281A - Portable construction hanging basket system for arch bridge - Google Patents
Portable construction hanging basket system for arch bridge Download PDFInfo
- Publication number
- CN112127281A CN112127281A CN202011002365.XA CN202011002365A CN112127281A CN 112127281 A CN112127281 A CN 112127281A CN 202011002365 A CN202011002365 A CN 202011002365A CN 112127281 A CN112127281 A CN 112127281A
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- construction
- connecting block
- basket
- construction hanging
- hanging flower
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
- E01D21/105—Balanced cantilevered erection
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
Abstract
The application relates to a portable construction hanging flower basket system for an arch bridge, and relates to the field of bridge construction. This system includes two construction hanging flower baskets and coupling mechanism, two the construction hanging flower basket is used for the symmetry to locate the both sides of the main purlin of arch bridge, coupling mechanism includes two at least coupling assembling, all coupling assembling locates two the construction hanging flower basket is close to top one side of main purlin, each coupling assembling all is including acceping chamber and fastening component, it is used for acceping to accept the chamber the corresponding end of main purlin, fastening component activity is located accept on the chamber, and be used for with this corresponding end be fixed in accept the intracavity. The application provides a portable construction hanging flower basket system can realize the installation fast, demolish and use upside down, the effectual engineering time that has shortened, and whole process can not cause the damage to hanging flower basket or main purlin, and it is loaded down with trivial details, the problem that the operation risk is high to have solved construction hanging flower basket dismouting process when carrying out the construction of rib festival section among the correlation technique betterly.
Description
Technical Field
The application relates to the field of bridge construction, in particular to a portable construction hanging basket system for an arched bridge.
Background
With the development of society, the construction of infrastructure is constantly changing, and the traffic system in the aspects of railways, highways, bridges and the like is more and more developed, and the rapid development of traffic networks brings more and more convenience to the traveling of people.
The arch bridge is a common bridge form, has been widely applied all the time due to attractive shape, smooth curve and dynamic aesthetic feeling, and can save a large amount of steel and cement and has low manufacturing cost compared with a steel bridge and a reinforced concrete beam bridge; in addition, the arch bridge is mainly characterized in that the components are mainly pressed, the reasonable arch ring structure of the arch bridge is only pressed but not pulled, the processed building materials can exert the maximum mechanical property, and when a vehicle runs on the bridge, the bridge structures around the vehicle are all stressed, so that the arch bridge is the bridge with the most reasonable stress compared with other types of bridges.
In the construction process of the arch bridge, when high-bolt construction and welding construction between arch rib sections are carried out, due to the fact that the height is high, no other place can be used as a construction platform, the construction hanging basket is a common temporary auxiliary facility, and during construction, operators carry out high-bolt construction and welding construction in the construction hanging basket. At present, construction hanging flower basket is generally through welded mode and rib welded fastening, when needing to next construction point, often need dismantle cutting and secondary coating, and this process is except increasing constructor's work load itself, still can cause the damage to hanging flower basket or rib festival section, takes trouble and laboursome. In addition, the height of a common construction hanging basket cannot be adjusted according to the actual construction height, and can only be achieved by disassembling and re-assembling, so that the whole disassembling and assembling process is complex, the risk of high-altitude operation is increased, the disassembling and assembling process can also cause damage, the using efficiency is low, and the construction efficiency and cost are greatly influenced.
Disclosure of Invention
The embodiment of the application provides a portable construction hanging flower basket system for arch bridge to it is loaded down with trivial details to solve construction hanging flower basket dismouting process when carrying out the construction of arch rib segment section among the correlation technique, and the problem that the operation risk is high.
In a first aspect, there is provided a portable construction basket system for an arched bridge, comprising:
the two construction hanging baskets are symmetrically arranged on two sides of a main truss of the arched bridge;
coupling mechanism, it includes two at least coupling assembling, all coupling assembling locates two the construction hanging flower basket is close to top one side of main purlin, each coupling assembling all includes accepts chamber and fastening component, it is used for acceping to accept the chamber the corresponding end of main purlin, the fastening component activity is located accept on the chamber, and be used for with this corresponding end be fixed in accept the intracavity.
In some embodiments, the connection assembly comprises:
one side of the first connecting block is connected with one side of the corresponding construction hanging basket;
the second connecting block is arranged opposite to the first connecting block at an interval, a third connecting block is further arranged between the second connecting block and the first connecting block, and the bottom of the third connecting block, the first connecting block and the second connecting block jointly form the accommodating cavity; wherein
The housing cavity is configured to: the fastening assembly penetrates through the second connecting block in a rotating mode, at least part of the fastening assembly is located in the containing cavity, and the fastening assembly is used for abutting and fixing the corresponding end of the main truss and the corresponding construction hanging basket through adjusting the length of the fastening assembly located in the containing cavity.
In some embodiments, a plurality of reinforcing plates are arranged at intervals on the top of the third connecting block, and two sides of each reinforcing plate are respectively connected with corresponding sides of the first connecting block and the second connecting block.
In some embodiments, the fastening assembly includes at least two fasteners arranged side by side at intervals, the fasteners are in a bolt structure, and a gasket is further arranged at an end part located in the receiving cavity.
In some embodiments, the construction basket comprises at least two longitudinal beams, each longitudinal beam comprises a fixed section and an adjusting section from bottom to top, one side of each adjusting section close to the main girder is connected with the corresponding side of the first connecting block, and the adjacent ends of the fixed section and the adjusting section are at least partially overlapped and the height of the construction basket can be adjusted by adjusting the overlapping length.
In some embodiments, each of the adjustment sections is provided with a spacer, and one side of the spacer, which is far away from the adjustment section, is used for being attached to the corresponding side of the main truss.
In some embodiments, the construction basket further comprises at least one connecting pull rod, the connecting pull rod is arranged between the two construction baskets, and two ends of the connecting pull rod are respectively connected with the fixing sections corresponding to two sides of the construction basket.
In some embodiments, the connecting device further comprises at least one connecting angle steel, the connecting angle steel is arranged on one of the fixing sections, one end of the connecting pull rod is fixed with the corresponding fixing section through a bolt, a connecting groove is arranged at the bottom of the other end of the connecting pull rod, and the connecting groove is used for being placed on one edge of the connecting angle steel so as to fix the other end of the connecting pull rod with the corresponding fixing section.
In some embodiments, the construction hanging basket further comprises a plurality of safety ropes, the safety ropes are arranged between the two construction hanging baskets and located below the connecting pull rod, and the vertical distance or the transverse vertical distance between every two adjacent safety ropes is 50 cm.
In some embodiments, a plurality of cross bars are arranged between two longitudinal beams of each construction hanging basket close to the main girder, the cross bars are transversely arranged at intervals along the length direction of the longitudinal beams, and the distance between every two adjacent cross bars is 30 cm.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a portable construction hanging basket system for an arched bridge, wherein all connecting assemblies are arranged on one side, close to the top of a main truss, of two construction hanging baskets, each connecting assembly comprises a containing cavity and a fastening assembly, when the fixing device is fixed, the corresponding end of the main truss is positioned in the corresponding containing cavity, the fastening component is movably arranged on the containing cavity, and is used for fixing the corresponding end in the containing cavity to ensure that the construction hanging baskets at both sides can be firmly connected with the main truss, when the position of construction hanging flower basket need be removed to the construction end, adjust fastening components and can realize, guaranteed the convenient and fast of installation dismantlement process, realized quick and high-quality transportation, compare before and link to each other through the welding, this system is labour saving and time saving not only, has removed a large amount of high altitude construction from, has improved whole efficiency of construction, has still guaranteed the installation and has dismantled the integrity of in-process construction hanging flower basket and main purlin to a certain extent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a front view of a portable construction basket system for an arched bridge according to an embodiment of the present application;
FIG. 2 is a front view of a connection assembly of a portable construction basket system for an arched bridge provided in an embodiment of the present application;
FIG. 3 is a top view of a connection assembly of a portable construction basket system for an arched bridge provided by an embodiment of the present application;
FIG. 4 is a side view of a connection assembly of a portable construction basket system for an arched bridge provided by an embodiment of the present application;
FIG. 5 is a front view of an adjustment section of a portable construction basket system for an arched bridge according to an embodiment of the present application;
FIG. 6 is a side view of an adjustment section of a portable construction basket system for an arched bridge according to embodiments of the present application;
FIG. 7 is a front view of a connection tie and a connection angle of a portable construction basket system for an arch bridge according to an embodiment of the present application;
fig. 8 is a top view of a connection pull rod and a connection angle of a portable construction basket system for an arch bridge according to an embodiment of the present application.
In the figure: 1-construction hanging basket, 10-fixing section, 11-adjusting section, 12-cushion block, 2-main girder, 3-connecting assembly, 30-accommodating cavity, 31-first connecting block, 32-second connecting block, 33-third connecting block, 34-reinforcing plate, 35-fastening piece, 36-gasket, 40-connecting pull rod, 41-connecting angle steel, 42-connecting groove, 5-safety rope, 6-cross rod and 70-springboard.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a portable construction hanging flower basket system for arch bridge, and it can be solved among the correlation technique when carrying out the construction of arch rib festival section construction hanging flower basket dismouting process loaded down with trivial details, the problem that the operation risk is high.
Referring to fig. 1, the portable construction hanging basket system sequentially comprises two construction hanging baskets 1 and a connecting mechanism, wherein the two construction hanging baskets 1 are symmetrically arranged on two sides of a main girder 2 of an arch bridge, the connecting mechanism comprises at least two connecting assemblies 3, all the connecting assemblies 3 are arranged on one sides, close to the top of the main girder 2, of the two construction hanging baskets 1, each connecting assembly 3 comprises an accommodating cavity 30 and a fastening assembly, the accommodating cavity 30 is used for accommodating a corresponding end of the main girder 2, and the fastening assemblies are movably arranged on the accommodating cavity 30 and used for fixing the corresponding end in the accommodating cavity 30.
Further, as shown in fig. 2 to 4, the connection assembly 3 specifically includes a first connection block 31 and a second connection block 32, wherein one side of the first connection block 31 is fixedly connected to one side of the corresponding construction basket 1, the second connection block 32 is disposed opposite to the first connection block 31 at an interval, a third connection block 33 is further disposed between the second connection block 32 and the first connection block 31, the third connection block 33 is horizontally disposed, the first connection block 31, the second connection block 32 and the third connection block 33 form a structure similar to an H shape, and the bottom of the third connection block 33 and the first connection block 31 and the second connection block 32 together form an accommodation cavity 30. In particular, the housing cavity 30 is configured to: the fastening component is rotatably arranged on the second connecting block 32 in a penetrating manner, at least part of the fastening component is positioned in the accommodating cavity 30, and the fastening component is used for abutting and fixing the corresponding end of the main girder 2 and the corresponding construction hanging basket 1 by adjusting the length of the fastening component in the accommodating cavity 30.
Further, in order to ensure the structural stability of the whole connecting assembly 3, a plurality of reinforcing plates 34 are arranged at intervals on the top of the third connecting block 33, and two sides of the reinforcing plates 34 with smaller areas are respectively connected with corresponding sides of the first connecting block 31 and the second connecting block 32. Here, the number of the reinforcing plates 34 is preferably 3.
Further, in order to ensure the stability and convenience of installation and disassembly, the fastening assembly includes at least two fastening members 35 arranged side by side at intervals, and the fastening members 35 are in a bolt structure, and since the fastening members 35 apply a larger pressure to the corresponding ends of the main girders 2 when fixing the corresponding ends of the main girders 2, so as to make the corresponding ends of the main girders 2 abut against and fixed in the accommodating cavity 30, in order to avoid damaging the surface of the main girders 2 when applying the pressure, a gasket 36 is further provided at the end of the fastening members 35 in the accommodating cavity 30.
Further, referring to fig. 5 and 6, the construction hanging basket 1 comprises at least two longitudinal beams, the longitudinal beams are arranged in parallel, the longitudinal beams sequentially comprise a fixed section 10 and an adjusting section 11 from bottom to top, one side of the adjusting section 11 close to the main girder 2 is fixedly connected with the corresponding side of the first connecting block 31, and the adjacent ends of the fixed section 10 and the adjusting section 11 are at least partially overlapped and can adjust the height of the construction hanging basket 1 by adjusting the overlapping length. It is specific, be equipped with a plurality of first fixed orificess along its length direction on the regulation section 11, be equipped with a plurality of second fixed orificess along its length direction on the canned paragraph 10, wherein, all be equipped with the railing that can dismantle the connection on canned paragraph 10 and the regulation section 11, and the canned paragraph 10 is close to one section at top and is not equipped with the railing to convenient and regulation section 11 coincidence is adjusted the coincidence distance between the two, with the height of adjusting whole construction hanging flower basket 1. In order to prevent the existence of structural weak links at the positions where the first fixing holes and the second fixing holes are arranged, reinforcing gaskets are arranged on each of the first fixing holes and the second fixing holes.
Further, in order to ensure the stability of the construction hanging baskets 1 on the two sides, a cushion block 12 is arranged on each adjusting section 11, the position of the cushion block 12 corresponds to one side of the bottom of the main truss 2, and the thickness of the cushion block 12 just enables one side of the cushion block, which is far away from the adjusting section 11, to be used for being attached to the corresponding side of the main truss 2.
Further, referring to fig. 7 and 8, in order to ensure the structural stability of the construction baskets 1 on both sides, the portable construction basket system further comprises at least one connection pull rod 40, wherein the connection pull rod 40 is arranged between the two construction baskets 1, and both ends of the connection pull rod are respectively connected with the fixing sections 10 corresponding to both sides.
Furthermore, because when installing the connecting pull rod 40, the other end is difficult to accurately align and fix in a short time after one end of the connecting pull rod is fixed, therefore, the portable construction hanging basket system further comprises at least one connecting angle steel 41, the connecting angle steel 41 is arranged on one of the fixing sections 10, one end of the connecting pull rod 40 is fixed with the corresponding fixing section 10 through a bolt, the bottom of the other end is provided with a connecting groove 42, the connecting groove 42 is used for being placed on one side of the connecting angle steel 41 in a vertical state, so that the other end of the connecting pull rod 40 is fixed with the corresponding fixing section 10, and meanwhile, compared with a mode that bolt holes are aligned and fixed, the quick positioning and the fixing can be realized through the connecting angle steel 41, the process is greatly simplified, and the time is also.
Further, this portable construction hanging flower basket system still includes many safety ropes 5, and safety rope 5 locates between two construction hanging flower baskets 1, and is located the below of connecting pull rod 40, and the vertical distance or the horizontal vertical distance between every two adjacent safety ropes 5 are 50 cm.
Further, for convenience of construction personnel moving construction along the height direction, a plurality of cross rods 6 are arranged between two longitudinal beams of each construction hanging basket 1 close to the main truss 2, the cross rods 6 are arranged along the longitudinal direction of the longitudinal beams at transverse intervals, the distance between every two adjacent cross rods 6 is 30cm, and the construction personnel can move the cross rods 6 up and down as climbing ladders.
Further, the bottom of the fixed section 10 is mainly composed of a springboard 70 and a tripod structure, and the tripod structure is mainly composed of channel steel, so that the material utilization rate is high, and the cost is reduced. In addition, the fixing section 10, the adjusting section 11 and the connecting pull rod 40 are also all channel steel.
The construction hanging basket 1 in the portable construction hanging basket system is assembled on the bottom surface in advance, the connecting assembly 3 is welded and fixed with the corresponding side of the adjusting section 11 in advance, according to the required construction height of the construction hanging basket 1, the distance size of the adjusting section 11 and the fixing section 10 needing to be overlapped when the adjusting section and the fixing section are connected and fixed through bolts is calculated, after ground installation is completed, the construction hanging basket 1 is integrally hoisted in place, the corresponding end top of the main girder 2 is fastened and fixed on site, subsequent construction can be started, after use is completed, the integral hoisting is disassembled and hoisted away, after the construction hanging basket 1 returns to the ground, secondary adjustment of the height of the construction hanging basket 1 is carried out according to construction requirements.
In the use, construction hanging flower basket 1 need not weld with the corresponding web of main purlin 2, has avoided dismantling cutting and secondary application, directly adopts coupling assembling 3 to support with main purlin 2 to hold fixedly can. In addition, the height of the construction hanging basket 1 can be adjusted according to different positions of the high bolt construction height of the main truss 2, and the specific required construction height can be determined by adjusting the overlapping length of the adjusting section 11 and the fixing section 10.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A portable construction basket system for arch bridges, comprising:
the two construction hanging baskets (1) are symmetrically arranged on two sides of a main truss (2) of the arched bridge;
coupling mechanism, it includes two at least coupling assembling (3), all coupling assembling (3) are located two construction hanging flower basket (1) is close to top one side of main purlin (2), each coupling assembling (3) all are including acceping chamber (30) and fastening component, it is used for acceping chamber (30) be used for acceping the corresponding end of main purlin (2), fastening component activity is located on acceping chamber (30), and be used for being fixed in this corresponding end in acceping chamber (30).
2. A portable construction basket system for arch bridges according to claim 1, wherein the connection assembly (3) comprises:
a first connecting block (31) having one side connected to one side of the corresponding construction basket (1);
the second connecting block (32) is arranged opposite to the first connecting block (31) at an interval, a third connecting block (33) is further arranged between the second connecting block (32) and the first connecting block (31), and the bottom of the third connecting block (33) and the first connecting block (31) and the second connecting block (32) jointly form the accommodating cavity (30); wherein
The housing cavity (30) is configured to: the fastening component is rotatably arranged on the second connecting block (32) in a penetrating mode, at least part of the fastening component is located in the accommodating cavity (30), and the fastening component is used for abutting and fixing the corresponding end of the main truss (2) and the corresponding construction hanging basket (1) through adjusting the length of the fastening component located in the accommodating cavity (30).
3. A portable construction basket system for an arch bridge according to claim 2, wherein: the top of third connecting block (33) is equipped with reinforcing plate (34) that the polylith interval set up, the both sides of reinforcing plate (34) respectively with the corresponding side of first connecting block (31) and second connecting block (32) links to each other.
4. A portable construction basket system for an arch bridge according to claim 3, wherein: the fastening assembly comprises at least two fastening pieces (35) arranged side by side at intervals, the fastening pieces (35) are of bolt structures, and gaskets (36) are further arranged at the end portions of the fastening pieces located in the accommodating cavities (30).
5. A portable construction basket system for an arch bridge according to claim 2, wherein: construction hanging flower basket (1) includes two piece at least longerons, the longeron is from supreme including canned paragraph (10) and regulation section (11) down, it is close to adjust section (11) one side of main purlin (2) with the corresponding side of first connecting block (31) links to each other, the adjacent end of canned paragraph (10) and regulation section (11) at least partially overlaps and can overlap length in order to adjust through adjusting the height of construction hanging flower basket (1).
6. A portable construction basket system for an arch bridge according to claim 5, wherein: each adjusting section (11) is provided with a cushion block (12), and one side of each adjusting section (11) far away from the cushion block (12) is used for being attached to the corresponding side of the main truss (2).
7. A portable construction basket system for an arch bridge according to claim 5, wherein: the construction hanging basket is characterized by further comprising at least one connecting pull rod (40), wherein the connecting pull rod (40) is arranged between the two construction hanging baskets (1), and two ends of the connecting pull rod are respectively connected with the fixing sections (10) corresponding to two sides.
8. A portable construction basket system for an arch bridge according to claim 7, wherein: still include an at least angle connection (41), one of them is located angle connection (41) on canned paragraph (10), wherein one end of tie rod (40) is passed through the bolt and is corresponded canned paragraph (10) are fixed, and the bottom of the other end is equipped with connecting groove (42), connecting groove (42) are used for shelving in one of them edge of angle connection (41), with will the other end of tie rod (40) with correspond canned paragraph (10) are fixed.
9. A portable construction basket system for an arch bridge according to claim 7, wherein: still include many safety ropes (5), safety rope (5) are located two between construction hanging flower basket (1), and are located the below of connecting rod (40), every adjacent two vertical distance or horizontal vertical distance between safety rope (5) are 50 cm.
10. A portable construction basket system for an arch bridge according to claim 5, wherein: each construction hanging flower basket (1) is close to all be equipped with many horizontal poles (6) between two longerons of main purlin (2), many horizontal pole (6) are followed the length direction of longeron is horizontal interval and is set up, every adjacent two interval between horizontal pole (6) is 30 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011002365.XA CN112127281A (en) | 2020-09-22 | 2020-09-22 | Portable construction hanging basket system for arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011002365.XA CN112127281A (en) | 2020-09-22 | 2020-09-22 | Portable construction hanging basket system for arch bridge |
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| Publication Number | Publication Date |
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| CN112127281A true CN112127281A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011002365.XA Pending CN112127281A (en) | 2020-09-22 | 2020-09-22 | Portable construction hanging basket system for arch bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174857A (en) * | 2021-04-23 | 2021-07-27 | 中铁大桥局第七工程有限公司 | Arched bridge is with construction hanging flower basket |
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2020
- 2020-09-22 CN CN202011002365.XA patent/CN112127281A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174857A (en) * | 2021-04-23 | 2021-07-27 | 中铁大桥局第七工程有限公司 | Arched bridge is with construction hanging flower basket |
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