CN215052132U - Mounting bracket platform for cable-stayed bridge of arc steel tower - Google Patents
Mounting bracket platform for cable-stayed bridge of arc steel tower Download PDFInfo
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- CN215052132U CN215052132U CN202120017850.8U CN202120017850U CN215052132U CN 215052132 U CN215052132 U CN 215052132U CN 202120017850 U CN202120017850 U CN 202120017850U CN 215052132 U CN215052132 U CN 215052132U
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Abstract
The application discloses circular arc steel tower cable-stay bridge installing support platform, including the support body, the both sides of support body are equipped with the curve steel tower, this internal pedestrian passageway platform that connects both sides curve steel tower that is equipped with of support is equipped with hoop operation platform on the curve steel tower, the below of support body is equipped with the support basis. Through external banana formula safety cat ladder buffering slope personnel fatigue degree about slowing down, set up pedestrian's passageway between the hoop operation platform, the personnel fatigue degree about slowing down. The steel tube upright posts and the cross braces are used as supporting structures of the steel sections, safety and stability of the system are greatly improved, and the transverse upright posts can also be used as pedestrian passage platforms to achieve two purposes at a time. Through the connection consolidation of hoop operation platform and support body, further increased the security of hoop construction platform.
Description
Technical Field
The application relates to the technical field of bent cap supports, in particular to an arc steel tower cable-stayed bridge mounting support platform.
Background
With the rapid development of domestic cable-stayed bridges, various defects of concrete towers gradually appear, particularly the problems of corrosion of steel strands, concrete cracking and the like caused by self tension force, so that the current steel tower cable-stayed bridges become mainstream.
For aesthetic consideration, the curved steel tower cable-stayed bridge is applied more and more in urban landscape bridges, the traditional process of field installation is that an annular operation platform is arranged at the joint of the segments, a transverse temporary support bracket is arranged in the installation process, and personnel can hang the personnel to the annular construction platform through a ladder stand on the back of the steel tower or a tower crane.
However, the disadvantages of this process are:
(1) the long-time vertical manual climbing is easy to cause fatigue and safety accidents.
(2) The narrow ladder passage is difficult to transport the operation and welding equipment to the working platform.
(3) When the working platform is dismantled, the working platform belongs to ultrahigh air unsupported operation, and the potential safety hazard is large.
(4) The platforms are independent from each other, and the support rod pieces do not play a communicating role.
(5) The personnel are directly hoisted to the aerial operation platform by using the crane, which belongs to the behavior of seriously violating the safety operation regulations, and each competent department has been forbidden in the open.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides an arc steel tower cable-stay bridge installing support platform for connect the hoop operation platform, improve security and reliability, and make things convenient for the equipment transportation.
The main aim at of this application provides an arc steel tower cable-stay bridge installing support platform, including the support body, the both sides of support body are equipped with the curve steel tower, this internal pedestrian's passageway platform of connecting both sides curve steel tower that is equipped with of support is equipped with hoop operation platform on the curve steel tower, the below of support body is equipped with the support basis.
Preferably, the support body includes platform bracing piece, support stand, horizontal connecting rod, scissors connecting rod, the platform bracing piece is used for supporting the pedestrian passageway platform, horizontal connecting rod, scissors connecting rod with the support stand is connected.
Preferably, the support upright post is connected with the horizontal connecting rod and the scissors connecting rod through connecting pieces.
Preferably, the pedestrian passageway platform is formed by cross-linked steel pipes.
Preferably, the support stand column is made of steel pipes
The connecting rod of the scissors adopts angle steel which is less than 75 multiplied by 6.
Preferably, the bracket foundation comprises a base steel plate and an embedded steel plate connected with the base steel plate. The support foundation adopts a concrete-poured strip foundation, and the connection steel plate is embedded in the middle of the foundation and corresponds to the steel pipe, so that the stability of the connection between the foundation and the support is ensured.
Preferably, the thickness of the base steel plate is 14-18 mm.
Preferably, the horizontal connecting rod comprises a first connecting rod and a second connecting rod, the first connecting rod is a channel steel 14b, and the second connecting rod is a steel pipe
Preferably, the annular operating platform and the two sides of the pedestrian passageway platform are both provided with a protective structure.
Preferably, the banana type safety ladder stand is connected outside the curved steel tower. The degree of fatigue of people on and off is slowed down through externally hanging banana formula safety ladder buffering slope.
The beneficial effect of this application is: firstly, through external banana formula safety cat ladder buffering slope personnel fatigue degree about slowing down, set up pedestrian's passageway between the hoop operation platform, the personnel fatigue degree about slowing down. And secondly, the steel tube upright posts and the cross braces are used as the supporting structures of the steel sections, so that the safety and the stability of the system are greatly improved, and the transverse upright posts can also be used as a pedestrian passage platform to achieve two purposes. Thirdly, through the hoop operation platform and the support body be connected concreties, further increased the security of hoop construction platform.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic front view of a mounting bracket platform of an arc-shaped steel tower cable-stayed bridge according to an embodiment of the application;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1;
FIG. 4 is an enlarged schematic view of section C of FIG. 1;
fig. 5 is a side view of a mounting bracket platform of a circular arc steel tower cable-stayed bridge according to an embodiment of the application.
In the figure: 1-pedestrian passageway platform, 2-scissors connecting rods, 3-horizontal connecting rods, 4-platform supporting rods, 5-curved steel tower, 6-annular operating platform, 7-bracket upright columns, 8-bracket foundation, 9-connecting pieces, 10-scissors connecting rods, 11-embedded steel plates, 12-foundation steel plates, 31-connecting rods I and 32-connecting rods II.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, 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 only partial 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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1-5, the application provides an arc steel tower cable-stayed bridge mounting bracket platform, which comprises a bracket body, wherein curve steel towers 5 are arranged on two sides of the bracket body, a pedestrian passageway platform 1 for connecting the curve steel towers 5 on the two sides is arranged in the bracket body, an annular operating platform 6 is arranged on the curve steel tower 5, and a bracket foundation 8 is arranged below the bracket body.
In this embodiment, the support body includes platform bracing piece 4, support stand 7, horizontal bar 3, scissors connecting rod 10, platform bracing piece 4 is used for supporting pedestrian passageway platform 1, horizontal bar 3, scissors connecting rod 10 with support stand 7 is connected.
In this embodiment, the stand column 7 is connected with the horizontal connecting rod 3 and the scissors connecting rod 10 through a connecting piece 9.
In this embodiment, the walkway platform 1 is constructed by cross-linking steel pipes.
In this embodiment, the support column 7 is made of steel pipe
The scissors connecting rod 10 adopts angle steel of 75 x 6.
In this embodiment, the bracket foundation includes a base steel plate 12 and an embedded steel plate 11 connected to the base steel plate 12. The support foundation 8 adopts a concrete-poured strip foundation, and the connection steel plate is embedded in the middle of the foundation and corresponds to the steel pipe, so that the stability of the connection between the foundation and the support is ensured.
In the present embodiment, the thickness of the base steel plate 12 is 14 to 18 mm.
In this embodiment, the horizontal connecting rod 3 comprises a first connecting rod 31 and a second connecting rod 32, soThe first connecting rod 31 is a channel steel 14b, and the second connecting rod 32 is a steel pipe
In this embodiment, the annular operating platform 6 and the two sides of the pedestrian passageway platform 1 are both provided with a protective structure.
In this embodiment, the curved steel tower 5 is externally connected with a banana-type safety ladder. The degree of fatigue of people on and off is slowed down through externally hanging banana formula safety ladder buffering slope.
During installation, the inner construction platform can adopt a partition plate in a steel tower section as a working platform, the construction ring is arranged outside the inner construction platform, the inner construction platform is connected with a pedestrian passageway by adopting a steel pipe upright post and a steel pipe cross joint and utilizing the cross joint steel pipe as a bearing structure, the whole support body and the operation platform system are connected into a whole by an external ladder stand, and the construction of field operators is facilitated while the requirement of section stress supporting is met. The external operation platform adopts steel pipe columns, 2 layers are counted, and workers can complete welding, coating, protection and other work conveniently through the transverse connection channel and the externally hung crawling ladder.
The installation steps of the circular arc steel tower cable-stayed bridge installation support platform are as follows:
(1) construction of foundations
The support foundation adopts a concrete-poured strip foundation, and the connection steel plate is embedded in the middle of the foundation and corresponds to the steel pipe, so that the stability of the connection between the foundation and the support is ensured.
(2) Mounting of a support body
Wherein, the support upright column adopts a steel pipe
The upper end of the support stand column supports the lower end of the steel tower ring-shaped block. The transverse connection has two forms, one is a stress support frame which is used for balancing the overturning force of the curve arch and also used for a pedestrian path of the annular operating platform, and adopts
And (5) steel pipes. Another kind is byAnd the stability among the stable brackets is realized by adopting channel steel 14b and less than 75 x 6 for connection.
(3) Annular operating platform installation and banana type safety ladder stand
Before the beam section is hoisted, an operation platform is arranged at the circumferential welding seam of the beam section, the beam section is firmly connected with the steel tower and the support upright column, and protection structures are arranged at the circumferential operation platform and the pedestrian passageway.
And finally, the banana safety ladder stand is arranged in the middle of the support, and each construction platform and the pedestrian passage are communicated, so that the auxiliary support body is installed on the steel tower safely, conveniently and quickly.
The method effectively solves the safety problem of the safe annular operating platform and the artificial channel in the installation process of the curved steel tower, and the stability of the curved steel tower is improved by forming the curved steel tower into a whole, so that the separation of the pedestrian channel and the annular operating platform is realized, and the construction safety is further ensured.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides an arc steel tower cable-stay bridge installing support platform, its characterized in that, includes the support body, the both sides of support body are equipped with the curve steel tower, this internal pedestrian passageway platform who connects the curve steel tower of both sides that is equipped with of support, be equipped with hoop operation platform on the curve steel tower, the below of support body is equipped with the support basis.
2. The mounting bracket platform of the arc steel tower cable-stayed bridge of claim 1, wherein the bracket body comprises a platform support rod, a bracket upright, a horizontal connecting rod and a scissors connecting rod, the platform support rod is used for supporting a pedestrian passageway platform, and the horizontal connecting rod and the scissors connecting rod are connected with the bracket upright.
3. The mounting bracket platform of the arc steel tower cable-stayed bridge of claim 2, wherein the bracket upright post is connected with the horizontal connecting rod and the scissors connecting rod through connecting pieces.
4. The circular arc steel tower cable-stayed bridge mounting bracket platform as claimed in claim 3, wherein the pedestrian passageway platform is formed by cross-linked steel pipes.
5. The mounting bracket platform for the arc steel tower cable-stayed bridge of claim 2, wherein the bracket upright column is made of steel pipes phi 325 x 8, and the shear connecting rod is made of angle steel phi 75 x 6.
6. The arc steel tower cable-stayed bridge mounting bracket platform as claimed in claim 1, wherein the bracket foundation comprises a base steel plate and an embedded steel plate connected with the base steel plate.
7. The mounting bracket platform of the cable-stayed bridge of the circular arc steel tower as claimed in claim 6, wherein the thickness of the base steel plate is 14-18 mm.
8. The circular arc steel tower cable-stayed bridge mounting bracket platform as claimed in claim 2, wherein the horizontal connecting rod comprises a first connecting rod and a second connecting rod, the first connecting rod is a channel steel 14b, and the second connecting rod is a steel pipe phi 215 x 8.
9. The circular arc steel tower cable-stayed bridge mounting bracket platform of claim 1, wherein protective structures are arranged on two sides of the annular operating platform and two sides of the pedestrian passageway platform.
10. The arc steel tower cable-stayed bridge mounting bracket platform as claimed in claim 1, wherein a banana-type safety ladder is connected outside the curved steel tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120017850.8U CN215052132U (en) | 2021-01-05 | 2021-01-05 | Mounting bracket platform for cable-stayed bridge of arc steel tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120017850.8U CN215052132U (en) | 2021-01-05 | 2021-01-05 | Mounting bracket platform for cable-stayed bridge of arc steel tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215052132U true CN215052132U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120017850.8U Active CN215052132U (en) | 2021-01-05 | 2021-01-05 | Mounting bracket platform for cable-stayed bridge of arc steel tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215052132U (en) |
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2021
- 2021-01-05 CN CN202120017850.8U patent/CN215052132U/en active Active
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