CN219772734U - Positioning assembly for assembling arch ribs - Google Patents
Positioning assembly for assembling arch ribs Download PDFInfo
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- CN219772734U CN219772734U CN202321321941.6U CN202321321941U CN219772734U CN 219772734 U CN219772734 U CN 219772734U CN 202321321941 U CN202321321941 U CN 202321321941U CN 219772734 U CN219772734 U CN 219772734U
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- positioning
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- support
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to the technical field of bridge construction, and particularly relates to a positioning assembly for splicing arch ribs, which comprises the following components: the positioning framework comprises a support; a first positioning point and a arch steel pipe are arranged on the positioning framework along a first direction from the longitudinal center line of the support, and the arch steel pipe is arranged at the position of the first positioning point; the brackets are arranged at intervals along the first direction by the arch steel pipes; the top end of the support is provided with a cross beam, and a second positioning point is arranged on the cross beam so that the arch rib is mounted on the second positioning point. The positioning component for assembling the arch ribs is easy to control positioning when the arch ribs are assembled, reduces the adjustment and correction times in the arch rib construction process, effectively improves the assembling accuracy of the arch ribs, greatly improves the assembling speed of the arch ribs, and saves time and labor.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and particularly relates to a positioning assembly for splicing arch ribs.
Background
The steel pipe arch bridge is widely applied to railway, highway and municipal engineering by virtue of the advantages of light weight, large span, balanced structural stress, attractive appearance and the like. The steel pipe arch rib is a component unit of the arch bridge, and the accurate installation and positioning of the steel pipe arch rib are core links for ensuring that the steel pipe arch rib and the tie beam respectively give full play to the stress characteristics and jointly bear balanced stress.
The traditional steel pipe arch rib installing method generally comprises the following steps: and (3) erecting a simple bracket on the completed tie beam, wherein the bracket is positioned at the joint position of the steel pipe arch rib, the installation is generally symmetrically spliced upwards from the arch foot, and finally, the final section is installed and folded on the arch crown. After each section of steel pipe arch rib is hoisted, the axis and elevation are checked by a total station for accurate positioning. The installation method is that the steel pipe arch rib joint is simply placed on the profile steel pedestal, and when the installation method is adjusted, the steel pipe arch rib joint is repeatedly moved by a hanging chain or a jack, which is time-consuming and labor-consuming, and the installation precision can not be ensured.
Disclosure of Invention
In order to improve the construction speed of the arch rib and ensure the positioning accuracy of the arch rib, the utility model provides a positioning assembly for assembling the arch rib, which comprises the following components:
the positioning framework comprises a support; a first positioning point is arranged on the positioning framework along a first direction by the longitudinal center line of the support,
the arch springing steel pipe is arranged at the first positioning point;
the brackets are arranged at intervals along the first direction by the arch steel pipes;
the top end of the support is provided with a cross beam, and a second positioning point is arranged on the cross beam so that the arch rib is mounted on the second positioning point.
According to the positioning assembly for assembling the arch ribs, the first limiting supports are arranged on the positioning framework at intervals along the first direction by the longitudinal center line of the support.
According to the positioning assembly for rib assembling, the distance between the first limiting support and the longitudinal center line of the support is at least 0.6m.
According to the positioning assembly for assembling the arch ribs, the second limiting supports are arranged at the top end of the support from the second positioning points to two sides at intervals.
According to the positioning assembly for rib assembling, the distance between the second limiting support and the second positioning point is at least 0.6m.
According to the positioning assembly for assembling the arch ribs, the support at least comprises four longitudinal rods, and the longitudinal rods are uniformly arranged at intervals, so that the whole support is in a columnar structure;
the projection of the top connecting line of the support on the plane is an arc line so as to match the camber of the arch rib.
According to the positioning assembly for assembling the arch ribs, the supporting assemblies are arranged between two adjacent longitudinal rods.
The positioning assembly for rib assembling comprises a plurality of groups of supporting assemblies, wherein each group of supporting assemblies comprises: the device comprises a first cross brace, a second cross brace, a first diagonal brace and a second diagonal brace;
the first transverse support and the second transverse support are parallel and are arranged at intervals;
the first diagonal brace and the second diagonal brace are arranged between the first transverse brace and the second transverse brace in a crossing mode.
According to the positioning assembly for assembling the arch ribs, the supporting assembly is of a structure made of stainless steel.
According to the positioning assembly for assembling the arch ribs, the support is of a structure made of stainless steel.
The utility model has the beneficial effects that:
the positioning assembly for assembling the arch ribs is simple in integral structure and easy to realize, comprises a positioning framework, arch foot steel pipes and a bracket, wherein the positioning framework is used for positioning and mounting the arch foot steel pipes, and the mounting precision of the arch foot steel pipes is ensured; the arch foot steel pipe is used for butt joint of the ends of the arch ribs, so that the first step of arch rib installation is realized, and accurate positioning is provided for the assembly of the follow-up arch ribs; the support is used for providing accurate construction positioning points when the arch ribs are assembled, and the arch ribs are prevented from being deviated in the construction process.
The positioning component for assembling the arch ribs is easy to control positioning when the arch ribs are assembled, reduces the adjustment and correction times in the arch rib construction process, effectively improves the assembling accuracy of the arch ribs, greatly improves the assembling speed of the arch ribs, and saves time and labor.
Drawings
In order to more clearly illustrate the utility model or the technical solutions in the related art, the drawings used in the description of the embodiments or the related art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a positioning assembly for rib assembly provided by the present utility model;
fig. 2 is a schematic view of a first view angle connection of a positioning framework and a footing steel pipe in a positioning assembly for rib assembly provided by the utility model;
fig. 3 is a second view angle connection schematic diagram of a positioning framework and a footing steel pipe in the positioning assembly for rib assembly provided by the utility model;
fig. 4 is a schematic top view of a bracket in a positioning assembly for rib assembly according to the present utility model.
Reference numerals: 1. positioning a framework; 101. a support; 102. a first location point; 103. a first limit support; 2. arch foot steel tube; 3. a bracket; 301. a cross beam; 302. a second positioning point; 303. the second limiting support; 304. a longitudinal bar; 305. a first cross brace; 306. a second cross brace; 307. a first diagonal brace; 308. a second diagonal brace; 4. and (3) an arch rib.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center," "upper," "lower," "vertical," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The positioning assembly for rib assembly provided by the utility model is described below with reference to the accompanying drawings.
As shown in fig. 1, there is provided a schematic structural view of a positioning assembly for rib assembly, and referring to fig. 1, the positioning assembly includes: the positioning framework 1, the arch steel pipes 2 and the brackets 3, wherein the arch steel pipes 2 are arranged on the positioning framework 1, and the positioning installation of the arch steel pipes 2 is realized through the positioning framework 1; the brackets 3 are arranged at intervals along the first direction by the arch steel pipes 2, and accurate positioning during assembling of the arch ribs 4 is realized through the brackets 3. In the assembling process of the arch rib 4, the end head of the arch rib 4 is butted with the arch leg steel pipe 2, then the arch rib 4 is hoisted to the support 3, accurate positioning of the arch rib 4 is realized by means of the support 3, after the arch rib 4 is positioned, whether positioning is qualified or not is checked through checking points, and reinforcement can be achieved after the positioning is qualified.
In order to ensure that the support 3 provides a stable supporting force for the arch rib 4, a plurality of groups of supporting components are arranged on the support 3, and each group of supporting components are arranged at intervals along the height direction of the support 3. Specifically, each set of support assemblies includes: the first cross brace 305, the second cross brace 306, the first diagonal brace 307 and the second diagonal brace 308 are horizontally arranged, are parallel to each other and are spaced a certain distance apart; the first diagonal brace 307 and the second diagonal brace 308 intersect each other and are disposed between the first diagonal brace 305 and the second diagonal brace 306, both ends of the first diagonal brace 307 abut against one end of the first diagonal brace 305 and one end of the second diagonal brace 306, and both ends of the second diagonal brace 308 abut against the other end of the first diagonal brace 305 and the other end of the second diagonal brace 306.
As shown in fig. 2-3, a first view angle connection schematic diagram and a second view angle connection schematic diagram of a positioning framework 1 and a arch steel pipe 2 in a positioning assembly for arch rib assembly are provided respectively, the positioning framework 1 is adopted for positioning during installation of the arch steel pipe 2 with reference to fig. 2-3, the positioning framework 1 is firstly lofted, the positioning framework 1 is welded according to the lofting position, the positioning framework 1 is subjected to reference positioning point position size, then a longitudinal center line and an elevation are accurately lofted on the positioning framework 1, a first positioning point 102 is determined according to mileage and the elevation, and a first limiting support 103 is made by 0.6m along a first direction from the longitudinal center line.
And hoisting the arch steel pipe 2 on the positioning framework 1 to enable the arch steel pipe 2 to fall on the first positioning point 102 completely, measuring the top checking points of the upper steel pipe and the lower steel pipe according to coordinates, checking whether the positioning of the arch steel pipe 2 meets the standard requirement, and finishing the positioning of the arch steel pipe 2 after the arch steel pipe 2 is qualified. After the arch foot steel pipe 2 is positioned, installing skeleton section steel, properly adjusting the section steel position according to specific conditions, avoiding prestressed pore channels as much as possible, and welding the section steel into a skeleton after the adjustment.
As shown in fig. 4, a schematic top structure of a bracket 3 in a positioning assembly for rib assembly is provided, a cross beam 301 is arranged at the top of the bracket 3, a center line of a pipe at the mileage is lofted out on the cross beam 301, the elevation is recorded, the height of the bottom of the pipe from the cross beam 301 is calculated according to the elevation of the point, and a second positioning point 302 is determined; and measuring 0.6m at the second positioning point 302 to two sides to form a second limiting support 303.
In order to better understand the above technical solutions, the following describes in detail each specific embodiment of the positioning assembly for rib assembly.
According to an embodiment of an aspect of the present utility model, referring to fig. 1 to 4, there is provided a positioning assembly for rib assembly, comprising: the positioning framework 1, the positioning framework 1 comprises a support 101; a first positioning point 102 is arranged on the positioning framework 1 along a first direction by the longitudinal center line of the support 101, and the arch steel pipe 2 is arranged at the position of the first positioning point 102; the brackets 3 are arranged at intervals along the first direction by the arch steel pipes 2; the top end of the bracket 3 is provided with a cross beam 301, and a second positioning point 302 is arranged on the cross beam 301, so that the arch rib 4 is mounted to the second positioning point 302.
The steel pipe arch bridge is widely applied to railway, highway and municipal engineering by virtue of the advantages of light weight, large span, balanced structural stress, attractive appearance and the like. The steel pipe arch rib is a component unit of the arch bridge, and the accurate installation and positioning of the steel pipe arch rib are core links for ensuring that the steel pipe arch rib and the tie beam respectively give full play to the stress characteristics and jointly bear balanced stress.
The traditional steel pipe arch rib installing method generally comprises the following steps: and (3) erecting a simple bracket on the completed tie beam, wherein the bracket is positioned at the joint position of the steel pipe arch rib, the installation is generally symmetrically spliced upwards from the arch foot, and finally, the final section is installed and folded on the arch crown. After each section of steel pipe arch rib is hoisted, the axis and elevation are checked by a total station for accurate positioning. The installation method is that the steel pipe arch rib joint is simply placed on the profile steel pedestal, and when the installation method is adjusted, the steel pipe arch rib joint is repeatedly moved by a hanging chain or a jack, which is time-consuming and labor-consuming, and the installation precision can not be ensured.
In order to solve the above problems, the present embodiment provides a positioning assembly for rib assembly, which has a simple overall structure and is easy to implement, and includes a positioning framework 1, a arch steel pipe 2 and a bracket 3, wherein the positioning framework 1 is used for positioning and installing the arch steel pipe 2, and the installation accuracy of the arch steel pipe 2 is ensured; the arch foot steel pipe 2 is used for butt joint of the ends of the arch ribs 4, so that the first step of installation of the arch ribs 4 is realized, and accurate positioning is provided for assembly of the follow-up arch ribs 4; the bracket 3 is used for providing accurate construction positioning points when the arch ribs 4 are assembled and preventing the arch ribs 4 from shifting in the construction process.
The positioning component for assembling the arch ribs is easy to control positioning when the arch ribs 4 are assembled, reduces the adjustment and correction times in the construction process of the arch ribs 4, effectively improves the assembling accuracy of the arch ribs 4, and simultaneously greatly improves the assembling speed of the arch ribs 4, thereby saving time and labor.
According to the positioning assembly for rib assembly provided in the present embodiment, on the positioning frame 1, first limit supports 103 are provided at intervals along the first direction by the longitudinal center line of the support 101.
By arranging the first limiting support 103 on the positioning framework 1, the installation and positioning precision of the arch springing steel pipe 2 is ensured, and therefore the precision of the subsequent butt joint of the end parts of the arch ribs 4 is ensured.
According to the positioning assembly for rib assembly provided in the present embodiment, specifically, the distance between the first limiting support 103 and the longitudinal center line of the support 101 is at least 0.6m.
According to the positioning assembly for rib assembly provided by the embodiment, the top end of the bracket 3 is provided with the second limiting supports 303 at intervals from the second positioning points 302 to two sides.
Through setting up the spacing support 303 of second, when hoist and mount the arch rib 4, hoist and mount the arch rib 4 to the spacing support 303 of second in and fix a position, can guarantee the precision that the arch rib 4 was assembled like this.
According to the positioning assembly for rib assembly provided in the present embodiment, specifically, the distance between the second limiting support 303 and the second positioning point 302 is at least 0.6m.
According to the positioning assembly for rib assembling provided by the embodiment, a concrete structure of the bracket 3 is provided, the bracket 3 comprises at least four longitudinal rods 304, and the longitudinal rods 304 are uniformly arranged at intervals, so that the bracket 3 is in a columnar structure as a whole; wherein, the projection of the top connecting line of the bracket 3 on the plane is an arc line to match the camber of the arch rib 4.
The support 3 has a simple and stable structure, can be effectively matched with the arch rib 4, provides support and positioning for the arch rib 4, and can directly hoist the arch rib steel pipe into the second limiting support 303 on the support 3 when the arch rib 4 is assembled, so that the positioning of the arch rib steel pipe can be realized.
Because the positioning work of the arch rib 4 is a work which is difficult to control and takes long time, and is also an important point of assembling the arch rib 4, by constructing the accurate positioning bracket, the assembling speed of the arch rib 4 is improved, the assembling accuracy is improved, and more accurate conditions are provided for the construction of the suspender.
According to the positioning assembly for rib assembly provided by the embodiment, in order to further improve stability of the bracket 3, a supporting assembly is arranged between two adjacent longitudinal rods 304 on the bracket 3.
Through setting up supporting component, the whole atress of support 3 is more complicated, can offset the influence of the gravity of a portion arch rib 4 to support 3, consequently, has improved the holistic stability of support 3, guarantees that support 3 can provide firm support for arch rib 4.
According to the locating component for rib assembly that this embodiment provided, supporting component includes the multiunit, and every group supporting component includes: a first cross brace 305, a second cross brace 306, a first diagonal brace 307, and a second diagonal brace 308; wherein the first cross brace 305 and the second cross brace 306 are parallel and spaced apart; the first diagonal braces 307 and the second diagonal braces 308 are disposed crosswise between the first diagonal braces 305 and the second diagonal braces 306.
The present embodiment only provides a specific structural form of the support assembly, and it should be understood that the structural form of the support assembly is not limited to the structural form of the support assembly provided in the present embodiment, but any other structural form capable of improving the stability of the support 3 is possible, and is not limited to the single structural form.
According to the positioning assembly for assembling the arch ribs, which is provided by the embodiment, the supporting assembly is of a structure made of stainless steel.
Through the supporting component who adopts stainless steel to make, can prevent effectively that supporting component from taking place the corrosion, guarantee supporting component's life, guarantee the security in the use simultaneously. And the material cost is low, the acquisition is easy, and the construction cost is reduced.
According to the positioning assembly for rib assembly provided by the embodiment, the bracket 3 is of a stainless steel structure.
Through the support 3 that adopts stainless steel to make, can prevent effectively that support 3 from taking place the corrosion, guarantee the life of support 3, guarantee the security in the use simultaneously. And the material cost is low, the acquisition is easy, and the construction cost is reduced.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A positioning assembly for rib assembly, comprising:
a positioning framework (1), wherein the positioning framework (1) comprises a support (101); a first positioning point (102) is arranged on the positioning framework (1) along a first direction by the longitudinal center line of the support (101),
the arch steel pipe (2) is arranged at the position of the first positioning point (102);
the brackets (3) are arranged at intervals along the first direction by the arch steel pipes (2);
the top end of the bracket (3) is provided with a cross beam (301), and a second positioning point (302) is arranged on the cross beam (301) so that the arch rib (4) is mounted on the second positioning point (302).
2. A positioning assembly for rib assembly according to claim 1, characterized in that on the positioning skeleton (1) first limit supports (103) are arranged at intervals along a first direction by the longitudinal centre line of the abutment (101).
3. A positioning assembly for rib splicing according to claim 2, characterized in that the distance between the first limit support (103) and the longitudinal centre line of the abutment (101) is at least 0.6m.
4. A positioning assembly for rib assembly according to claim 1, characterized in that second limit supports (303) are arranged at intervals from the second positioning points (302) to the two sides at the top end of the bracket (3).
5. A positioning assembly for rib assembly according to claim 4, characterized in that the distance between the second limit support (303) and the second positioning point (302) is at least 0.6m.
6. A positioning assembly for rib splicing according to claim 1, characterized in that said support (3) comprises at least four longitudinal bars (304), said longitudinal bars (304) being uniformly spaced so as to make the whole support (3) a columnar structure;
the projection of the top connecting line of the bracket (3) on the plane is an arc line so as to match the camber of the arch rib (4).
7. A positioning assembly for rib splicing according to claim 6, characterized in that a support assembly is provided between two adjacent longitudinal bars (304).
8. A positioning assembly for rib assembly as claimed in claim 7, comprising a plurality of sets of said support assemblies, each set of said support assemblies comprising: a first cross brace (305), a second cross brace (306), a first diagonal brace (307), and a second diagonal brace (308);
wherein the first cross brace (305) and the second cross brace (306) are parallel and are arranged at intervals;
the first diagonal brace (307) and the second diagonal brace (308) are arranged between the first transverse brace (305) and the second transverse brace (306) in a crossing manner.
9. A positioning assembly for rib assembly as in claim 7, wherein said support assembly is a stainless steel structure.
10. A positioning assembly for rib-splicing according to any one of claims 1 to 9, characterized in that the bracket (3) is a structure made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321941.6U CN219772734U (en) | 2023-05-29 | 2023-05-29 | Positioning assembly for assembling arch ribs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321941.6U CN219772734U (en) | 2023-05-29 | 2023-05-29 | Positioning assembly for assembling arch ribs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219772734U true CN219772734U (en) | 2023-09-29 |
Family
ID=88109724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321321941.6U Active CN219772734U (en) | 2023-05-29 | 2023-05-29 | Positioning assembly for assembling arch ribs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219772734U (en) |
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2023
- 2023-05-29 CN CN202321321941.6U patent/CN219772734U/en active Active
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