CN114517449B - Cross-connection cross brace construction platform for arch bridge - Google Patents
Cross-connection cross brace construction platform for arch bridge Download PDFInfo
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- CN114517449B CN114517449B CN202210288781.3A CN202210288781A CN114517449B CN 114517449 B CN114517449 B CN 114517449B CN 202210288781 A CN202210288781 A CN 202210288781A CN 114517449 B CN114517449 B CN 114517449B
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- 238000010276 construction Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 description 5
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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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
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A cross-linked cross-bracing construction platform for arch bridge relates to bridge construction field, and it includes two at least construction platform bodies that set up in cross-linked cross-bracing, and every construction platform body is including the staple bolt subassembly that the cover was located cross-linked cross-bracing, and the staple bolt subassembly is a pair of parallel horizontal pole and a pair of parallel montant forms detachable groined type structure in same vertical plane. The pair of parallel cross bars comprises an upper cross bar and a lower cross bar which are of a groined structure, two ends of the upper cross bar respectively extend outwards to form an extension section, the tops of the extension sections on two sides of all the construction platform bodies are respectively paved with at least one pedal. The utility model provides a can dismantle the connection for between the member of staple bolt subassembly, can realize quick installation, demolish and fall usefulness, shortened engineering time greatly, and can not lead to the fact the damage to the crosstie stull, can solve when carrying out the crosstie stull construction, construction platform dismouting process loaded down with trivial details, the high problem of operation risk.
Description
Technical Field
The application relates to the field of bridge construction, in particular to a cross-linked cross brace construction platform for an arch bridge.
Background
Along with the development of society, the construction of infrastructure is also continuously changed, traffic systems in the aspects of railways, highways, bridges and the like are also increasingly developed, traffic networks are rapidly developed, and more convenience is brought to the travel of people.
Among them, arch-shaped bridges are widely used as a common bridge form due to their beautiful shape, round and smooth curve and rich dynamic aesthetic feeling. Compared with steel bridge and reinforced concrete beam bridge, the arch bridge can save steel and cement and has low cost. In addition, the arch bridge has the greatest characteristics that the components are mainly pressed, the reasonable arch bridge arch ring structure is only pressed and not pulled, and the maximum mechanical property can be exerted by processing building materials. When the vehicle runs on the bridge, the bridge structures around the vehicle are stressed, so compared with other types of bridges, the arched bridge is the bridge with the most reasonable stress. In the construction process of the arch bridge, when high bolt construction and welding construction are carried out between the cross brace sections, no other places can be used as construction platforms due to the higher height, so that the adjustable and convenient-to-detach and inverted high-altitude construction platform is a common temporary auxiliary facility. In construction, an operator performs high-bolt construction and welding construction in a construction platform.
At present, most construction platforms are welded and fixed with a transverse cross brace in a welding mode, when a next construction point is needed, disassembly, cutting and secondary coating are needed, and besides the workload of constructors is increased, the construction platforms or the transverse cross brace sections can be damaged, so that the construction platforms or the transverse cross brace sections are labor-and labor-consuming. In addition, the size of a general construction platform cannot be adjusted according to the cross section size of a cross brace of actual construction, and can be realized only by disassembling and reinstalling the cross section size, so that the whole disassembly and assembly process is complex, the risk of high-altitude operation is increased, the disassembly and assembly process can be damaged, the reverse use efficiency is low, and the construction efficiency and cost are greatly influenced.
Disclosure of Invention
The embodiment of the application provides a cross-linked cross brace construction platform for an arch bridge to solve when carrying out the construction of cross-linked cross brace section, construction platform installs and removes the complex process, the high problem of operation risk.
The utility model provides a cross brace construction platform for arch bridge, it includes at least two construction platform bodies that set up in cross brace, and be equipped with the interval between every adjacent two construction platform bodies;
each construction platform body comprises a hoop assembly sleeved on a transverse cross brace, and the hoop assembly is a detachable groined structure formed by a pair of parallel cross bars and a pair of parallel vertical bars in the same vertical plane;
the pair of parallel cross bars comprises an upper cross bar and a lower cross bar which are of a groined structure, the two ends of the upper cross bar respectively extend outwards to form an extension section, the tops of the extension sections on the two sides of all the construction platform bodies are respectively provided with at least one pedal.
Further, each cross rod and each vertical rod of the groined structure are provided with a plurality of bolt holes in parallel at the crossing parts, and each crossing part is connected with each other through bolts inserted into the bolt holes.
Further, in each hoop assembly, the upper cross rod is provided with at least two rows of bolt holes, and each intersection part of the two vertical rods and the upper cross rod is at least connected through a row of bolts.
Further, the cross bracing construction platform further comprises a fence, wherein the fence comprises a plurality of upright posts and a plurality of horizontal connecting rods, the upright posts are arranged on the extension section of the upper cross bar in a group by group mode, each group of upright posts are arranged on two side edges of the pedal, and a plurality of groups of upright posts are distributed along the extension direction of the pedal;
a plurality of horizontal connecting rods are further arranged between every two groups of upright posts, and the upright posts of two adjacent groups of upright posts and positioned on the same side are connected through the plurality of horizontal connecting rods.
Furthermore, the fence is externally hung with a protective net.
Further, the pedal is connected with each upper cross rod through steel wire ropes in a binding mode.
Further, each cross rod and each vertical rod of the cross-shaped structure are fixedly provided with a reinforcing plate at the crossing part, each reinforcing plate is provided with a plurality of bolt holes, and the bolt holes on each reinforcing plate are overlapped with the corresponding bolt holes on the cross rod or the vertical rod.
The utility model also provides an installation method based on the transverse cross bracing construction platform for the arch bridge, which comprises the following steps:
s1, connecting a pair of parallel cross bars and a pair of parallel vertical bars at each preset installation position in the same vertical plane to form a groined anchor ear assembly sleeved outside a transverse cross brace, and connecting four crossing parts of the anchor ear assembly through a detachable assembly;
s2, paving pedals at the tops of the extending sections on two sides of all the construction platform bodies to form a channel for people to walk.
Further, each cross rod and each vertical rod of each anchor ear assembly are provided with a plurality of bolt holes in parallel at the crossing part, and each crossing part is connected through bolts inserted into the bolt holes;
step S1 also comprises the step of adjusting the inserting position of the bolt of each crossing part of the anchor ear assembly so as to enable the section size of the anchor ear assembly and the cross-linked cross brace to be matched.
Further, the cross bracing construction platform further comprises a fence, wherein the fence comprises a plurality of upright posts and a plurality of horizontal connecting rods, the upright posts are arranged on the extension section of the upper cross bar in a group by group mode, each group of upright posts are arranged on two side edges of the pedal, and a plurality of groups of upright posts are distributed along the extension direction of the pedal; a plurality of horizontal connecting rods are further arranged between each group of two upright posts, and the upright posts of two adjacent groups of upright posts and positioned on the same side are connected through the plurality of horizontal connecting rods; the fence is externally hung with a protective net;
step S2 still includes, at the stretch out section top of every construction platform body' S upper cross pole both sides, respectively sets up a set of stand, and every two stand of group press close to the both sides limit of footboard, sets up parallel many connecting rods from top to bottom between every two stands of group, sets up many horizontal connecting rods between every two adjacent sets of stand, and the stand that is located the homonymy, and all stands and all horizontal connecting rods form the rail, at the externally guard net of setting up of rail.
The beneficial effects that technical scheme that this application provided brought include:
the embodiment of the application provides a cross bracing construction platform for arch bridge, it includes staple bolt subassembly and footboard, wherein, for dismantling the connection between the member of staple bolt subassembly, can realize quick installation, demolish and fall and use, shortened the engineering time greatly. And in the whole process, the cross brace cannot be damaged, and the problems of complicated disassembly and assembly processes and high operation risk of the construction platform during the construction of the cross brace in the related technology are effectively solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram illustrating the overall structural arrangement of an embodiment of the present application;
FIG. 2 is a schematic view of two embodiments of the present application disposed on a cross brace;
FIG. 3 is a schematic top view of two embodiments of the present application disposed on a cross brace;
FIG. 4 is a schematic view of the cross-section of the cross bar and vertical bar of FIG. 1;
FIG. 5 is a schematic structural view of a reinforcing plate according to an embodiment of the present disclosure disposed on a cross bar;
fig. 6 is a schematic structural view of the reinforcing plate disposed on the vertical rod in the embodiment of the present application;
reference numerals:
1. a cross-linked cross brace; 2. a cross bar; 3. a vertical rod; 4. a reinforcing plate; 5. a fence; 51. a column; 52. a connecting rod; 6. a pedal; 7. bolt holes; 8. and (5) a bolt.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
The embodiment of the application provides a cross-linked cross brace construction platform for an arch bridge, which can solve the problems that the construction platform is complex in mounting and dismounting process and high in operation risk when the construction of cross-linked cross brace sections is carried out.
As shown in fig. 1, a cross brace construction platform for an arch bridge includes at least two construction platform bodies disposed on a cross brace 1, and a space is provided between every two adjacent construction platform bodies. Specifically, the number of the construction platform bodies and the distance between every two adjacent construction bodies can be determined according to actual conditions.
Each construction platform body comprises a hoop component sleeved on the transverse cross brace 1, and the hoop component is a detachable groined structure formed by a pair of parallel cross bars 2 and a pair of parallel vertical bars 3 in the same vertical plane. It can be known that each hoop assembly is provided with four intersecting parts, and the connecting mode of the intersecting parts is detachable connection.
The pair of parallel crossbars 2 comprises an upper crossbar and a lower crossbar, specifically, the upper crossbar is located on the top surface of the cross bracing 1, and the lower crossbar is located on the bottom surface of the cross bracing 1. The two ends of each upper cross rod extend outwards to form an extension section respectively, the tops of the extension sections on two sides of all the construction platform bodies are paved with at least one pedal 6 on each side, and the pedals 6 can form channels for construction staff to stand, walk and construct on the transverse cross bracing construction platform.
Specifically, the number of pedals 6 on each side may be one, and the number of pedals 6 on each side may be plural, and the pedals are laid on the tops of the protruding sections on both sides of the construction platform body. In this embodiment, the width of each pedal 6 may be 250mm, two pedals are arranged side by side on each side, and the sum of the widths of all pedals 6 on each side is not less than 500mm, so that the constructors can be ensured to stand, walk and construct enough space. In other embodiments, the number and width of the pedals 6 may be set according to the actual situation. The step 6 is preferably made of a lightweight material, and can reduce the weight of the whole construction platform, so as to facilitate rapid assembly, disassembly and transportation.
Specifically, the cross bar 2 and the vertical bar 3 may be angle steel or channel steel, and the cross bar is stressed greatly in consideration of the groined structure, so that the cross bar preferably adopts channel steel, and the bearing capacity is improved. In the embodiment, the upper cross bar adopts No. 10 channel steel, and the lower cross bar and the vertical bar 3 both adopt angle steel with the width of 50 mm. In other embodiments, the cross bar 2 and the vertical bar 3 may be sized and shaped as the case may be.
Further, each cross bar 2 and each vertical bar 3 of the cross bar-shaped structure are provided with a plurality of bolt holes 7 side by side at the crossing portions, and each crossing portion is connected through a bolt 8 inserted into the bolt hole 7.
Specifically, the intersection portion of each cross bar 2 and each vertical bar 3 may be a distance, and a plurality of bolt holes 7 are arranged side by side in the distance between each cross bar 2 and each vertical bar 3, and a row of bolt holes 7 are formed in the distance between each cross bar 2 and each vertical bar 3. In this embodiment, the number of bolt holes 9 per cross bar 2 and vertical bar 3 should not be less than 9. In other embodiments, the number of bolt holes 9 may be set according to the actual situation.
Specifically, to the cross-linked cross brace 1 of different cross-section sizes, the position of inserting of bolt 8 in every intersection can be adjusted to the staple bolt subassembly can be applicable to not unidimensional cross brace 1, realizes many times cyclic utilization, and easy operation, can shorten the engineering time, and whole process can not cause the damage to cross-linked cross brace 1.
Optionally, the bolt holes 7 on each cross rod 2 and each vertical rod 3 are distributed at equal intervals, so that the speed and accuracy of adjustment can be improved. In this embodiment, the pitch of the bolt holes 7 on each of the cross bars 2 and the vertical bars 3 is 40mm, and in other embodiments, the pitch may be set according to practical situations. In addition, in order to enable the bolt 8 to be universal, the diameters of the bolt holes 7 on each cross rod 2 and each vertical rod 3 are the same, in the embodiment, the diameters of the bolt holes 7 are 13mm, the diameters of the bolt 8 are 12mm, and in other embodiments, the diameters of the bolt holes 7 and the bolt 8 can be set according to actual conditions, and the bolt holes 7 and the bolt 8 can be matched.
Further, in each hoop assembly, the upper cross rod is provided with at least two rows of bolt holes 7, and each intersection part of the two vertical rods 3 and the upper cross rod is connected at least through one row of bolts 8. Specifically, the number of bolts at each intersection of the two vertical rods 3 and the upper cross rod is at least 2, so that firm connection is ensured.
Specifically, two montants 3 of every staple bolt subassembly have 2 intersections with the upper cross pole. Because the upper cross rod of the anchor ear assembly is stressed greatly, the row number of the bolt holes 7 of each upper cross rod 2 is increased, the connection stability of the two vertical rods 3 and the upper cross rod is ensured, and the integral bearing capacity of the anchor ear assembly is improved. In this embodiment, the bolt holes of the upper cross bar are two rows, and in other embodiments, more than two rows of bolt holes of the upper cross bar may be provided. It can be known that when the bolt holes 7 on the vertical rod 3 are only one row, the crossing parts of the vertical rod 3 and the upper cross rod are all connected through a row of bolts 8, and when the bolt holes on the vertical rod 3 are multiple rows, the crossing parts of the vertical rod 3 and the upper cross rod are all connected through multiple rows of bolts 8.
Further, each cross rod 2 and each vertical rod 3 of the cross-shaped structure are fixedly provided with a reinforcing plate 4 at the crossing part, each reinforcing plate 4 is provided with a plurality of bolt holes 7, and the bolt holes 7 on each reinforcing plate 4 are overlapped with the corresponding bolt holes 7 on the cross rod 2 or the vertical rod 3.
Specifically, the reinforcing plate 4 and the corresponding cross rod 2 or the corresponding vertical rod 3 can be fixed through welding, so that the strength and the rigidity of the intersection part of the anchor ear assembly are improved. In the embodiment, each reinforcing plate 4 is a thick steel plate with the thickness of 5mm and the length of more than 360mm, and has stronger rigidity and bearing capacity. In other embodiments, the thickness and length of the reinforcing plate 4 may be set according to the actual situation.
Further, the cross-linked cross-bracing construction platform further comprises a fence 5, the fence 5 comprises a plurality of upright posts 51 and a plurality of horizontal connecting rods 52, the upright posts 51 are arranged on the extending section of the upper cross bar in a pair-by-pair mode, each group of upright posts is arranged on two side edges of the pedal 6, and the upright posts 51 are distributed along the extending direction of the pedal 6. A plurality of horizontal connecting rods 52 are further arranged between each two upright posts 51, and the upright posts 51 positioned on the same side of the two adjacent upright posts 51 are connected through the plurality of horizontal connecting rods 52. The fence 5 enables the construction platform to be of a totally-enclosed structure, and construction safety is guaranteed. When constructors stand or walk on the pedal 6, the fence 5 can protect the constructors and prevent the constructors from falling aloft.
Specifically, the upright post 51 and the connecting rod 52 can be made of 10-gauge channel steel or steel pipes with diameters of 30 mm. The upright posts 51 and the connecting rods 52 can be fixed through welding, so that the overall stability of the fence 5 is ensured. The height of each column 51 may be set according to practical circumstances. The number of the connecting rods 51 between the two upright posts 51 in each group can be set according to the heights of the upright posts 51, and the connecting rods 51 are uniformly distributed up and down, so that a protective effect can be better achieved.
Similarly, the number of the connecting rods 52 between the two adjacent groups of the upright posts 51 and positioned on the same side can be the same as the number of the connecting rods 52 between the two upright posts 51 of each group, or can be set according to practical requirements, at this time, each connecting rod 52 can have multiple sections, and can be welded with multiple upright posts 51 respectively, or can be a section, and all the upright posts 51 of the two adjacent groups of the upright posts 51 and positioned on the same side are connected simultaneously. It should be ensured that the connecting rods 52 are evenly distributed up and down.
Preferably, the top ends of all the upright posts 51 are guaranteed to be connected through the connecting rods 52, so that the top ends of the upright posts 51 are prevented from being exposed outside, and hidden danger is caused to the safety of constructors.
Furthermore, the fence 5 is externally hung with a protective net, so that personnel, tools, stones and the like can be prevented from falling off in high altitude. Specifically, the protective net can be woven by hemp ropes, so that the protective net is light in weight and easy to install and detach.
Further, the pedal 6 and each upper cross rod are fixedly connected through steel wire ropes, and the pedal 6 is prevented from sliding or falling aloft.
The method for installing the cross brace construction platform for the arch bridge based on the method comprises the following steps:
s1, connecting a pair of parallel cross bars 2 and a pair of parallel vertical bars 3 at each preset installation position in the same vertical plane to form a groined anchor ear assembly sleeved outside the transverse cross brace 1, and connecting four crossed parts of the anchor ear assembly through a detachable assembly.
S2, paving pedals 6 at the tops of the extending sections on two sides of all the construction platform bodies to form a channel for people to walk.
Specifically, the number of pedals 6 on each side can be one or more, so that the construction personnel can have enough standing and walking space.
Further, the step S1 further includes adjusting the insertion position of the bolt 8 at each intersection of the hoop assembly, so as to adapt the cross-sectional dimension of the hoop assembly and the cross-linking cross brace 1. Specifically, through the position of inserting of adjusting bolt 8 in every intersection, carry out corresponding adjustment to the size of staple bolt subassembly, make staple bolt subassembly and crosstie stull 1 closely overlap and establish.
Further, the step S2 further includes, setting a group of upright posts 51 at the top of the extending section at two sides of the upper cross bar of each construction platform body, wherein two upright posts 51 of each group are close to two sides of the pedal 6, setting a plurality of connecting rods 52 parallel up and down between two upright posts 51 of each group, setting a plurality of horizontal connecting rods 52 between upright posts 51 of each adjacent two groups and positioned at the same side, forming a fence 5 by all upright posts 51 and all horizontal connecting rods 52, and externally hanging a protection net on the fence 5.
When the cross-linked cross brace construction platform based on the arch bridge is dismounted, the pedal 6 is only required to be dismounted firstly, and then the bolt 8 between the transverse rod 2 and the vertical rod 3 of the anchor ear assembly is dismounted. In this process, guaranteed the integrality of construction platform and cross brace 1 in installation and the dismantlement in-process, avoided secondary flattening and application to can realize quick and high-quality transportation.
The mounting steps of the transverse cross brace construction platform for the arch bridge are as follows:
in the first step, each cross rod 2 and each vertical rod 3 of each hoop assembly are fixedly welded with a reinforcing plate 4 with a plurality of bolt holes 7 at the crossing part, and the bolt holes 7 on each reinforcing plate 4 are ensured to be overlapped with the corresponding bolt holes 7 on the cross rod 2 or the vertical rod 3. Wherein the upper cross bar has two rows of bolt holes 7.
And secondly, connecting a pair of parallel cross bars 2 and a pair of parallel vertical bars 3 at each preset installation position in the same vertical plane to form a groined anchor ear assembly sleeved outside the transverse cross brace 1, wherein each anchor ear assembly is provided with four crossing parts, and the four crossing parts are all connected through bolts 8.
Thirdly, adjusting the inserting position of the bolt 8 in each crossing part of the anchor ear assembly to enable the cross section size of the anchor ear assembly and the cross section cross brace 1 to be matched.
Fourthly, two pedals 6 are respectively paved at the tops of the extending sections at the two sides of the construction platform body, the two pedals 6 at each side are judged and arranged to form a passage for people to walk, and the pedals 6 and each upper cross rod are bound and connected through steel wires.
Fifthly, a group of upright posts 51 are respectively arranged at the tops of the extending sections on two sides of the upper cross rod of each construction platform body, two upright posts 51 of each group are close to two side edges of the pedal 6, a plurality of connecting rods 52 which are parallel up and down are arranged between the two upright posts 51 of each group, a plurality of horizontal connecting rods 52 are arranged between the upright posts 51 of each adjacent two groups and positioned on the same side, all the upright posts 51 and all the horizontal connecting rods 52 form a fence 5, and a protective net is externally hung on the fence 5.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the 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 (7)
1. A violently ally oneself with stull construction platform for arch bridge, its characterized in that: the construction platform comprises at least two construction platform bodies arranged on a transverse cross brace (1), and a space is arranged between every two adjacent construction platform bodies;
each construction platform body comprises a hoop assembly sleeved on a transverse cross brace (1), and the hoop assembly is a detachable well-shaped structure formed by a pair of parallel cross bars (2) and a pair of parallel vertical bars (3) in the same vertical plane;
the pair of parallel cross bars (2) comprises an upper cross bar and a lower cross bar which are of a groined structure, two ends of the upper cross bar respectively extend outwards to form an extension section, the tops of the extension sections on two sides of all construction platform bodies are respectively provided with at least one pedal (6);
each cross rod (2) and each vertical rod (3) of the cross-shaped structure are provided with a plurality of bolt holes (7) in parallel at the crossing part, and each crossing part is connected through a bolt (8) inserted into the bolt hole (7);
in each hoop assembly, the upper cross rod is provided with at least two rows of bolt holes (7), and each intersection part of the two vertical rods (3) and the upper cross rod is at least connected through a row of bolts (8);
each cross rod (2) and each vertical rod (3) of the cross-shaped structure are fixedly provided with a reinforcing plate (4) at the crossing part, each reinforcing plate (4) is provided with a plurality of bolt holes (7), and the bolt holes (7) on each reinforcing plate (4) are overlapped with the corresponding bolt holes (7) on the cross rod (2) or the vertical rod (3).
2. A crosstie cross brace construction platform for an arch bridge as claimed in claim 1, wherein: the transverse cross bracing construction platform further comprises a fence (5), the fence (5) comprises a plurality of upright posts (51) and a plurality of horizontal connecting rods (52), the upright posts (51) are arranged on the extending section of the upper cross bar in a pair-by-pair mode, each group of upright posts is arranged on two side edges of the pedal (6), and the upright posts (51) are distributed along the extending direction of the pedal (6);
a plurality of horizontal connecting rods (52) are further arranged between every two groups of upright posts (51), and the upright posts (51) of two adjacent groups of upright posts (51) which are positioned on the same side are connected through the plurality of horizontal connecting rods (52).
3. A crosstie cross brace construction platform for an arch bridge as claimed in claim 2, wherein: the fence (5) is externally hung with a protective net.
4. A crosstie cross brace construction platform for an arch bridge as claimed in claim 1, wherein: the pedal (6) is connected with each upper cross rod through steel wire ropes in a binding mode.
5. A method of installing a cross brace construction platform for an arch bridge based on any of claims 1-4, comprising:
s1, connecting a pair of parallel cross bars (2) and a pair of parallel vertical bars (3) at each preset installation position in the same vertical plane to form a groined anchor ear assembly sleeved outside a transverse cross brace (1), and connecting four crossing parts of the anchor ear assembly through a detachable assembly;
s2, paving pedals (6) at the tops of the extending sections at two sides of all the construction platform bodies to form a channel for people to walk.
6. The method of installing a cross brace construction platform for an arch bridge of claim 5, wherein:
the step S1 further comprises the step of adjusting the inserting position of the bolt (8) of each crossing part of the anchor ear assembly to enable the section size of the anchor ear assembly and the cross-linked cross brace (1) to be matched.
7. The method of installing a cross brace construction platform for an arch bridge of claim 5, wherein:
step S2 still includes, at the stretch out section top of every construction platform body' S top horizontal pole both sides, respectively set up a set of stand (51), and every two stand (51) of group press close to the both sides limit of footboard (6), set up many horizontal connecting rods (52) parallel from top to bottom between every two stand (51) of group, set up many horizontal connecting rods (52) between every two adjacent stand (51) of group, and stand (51) that are located the homonymy, all stand (51) and all horizontal connecting rods (52) form rail (5), at rail (5) external protective net of setting up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288781.3A CN114517449B (en) | 2022-03-22 | 2022-03-22 | Cross-connection cross brace construction platform for arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288781.3A CN114517449B (en) | 2022-03-22 | 2022-03-22 | Cross-connection cross brace construction platform for arch bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114517449A CN114517449A (en) | 2022-05-20 |
| CN114517449B true CN114517449B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210288781.3A Active CN114517449B (en) | 2022-03-22 | 2022-03-22 | Cross-connection cross brace construction platform for arch bridge |
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| CN214401452U (en) * | 2020-10-10 | 2021-10-15 | 中交第四航务工程局有限公司 | A operation platform that is used for bridge bent cap staple bolt to install and dismantle |
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| CN114517449A (en) | 2022-05-20 |
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