CN216892040U - External operating platform for erecting prefabricated beams of upper-span railway - Google Patents
External operating platform for erecting prefabricated beams of upper-span railway Download PDFInfo
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- CN216892040U CN216892040U CN202220347065.3U CN202220347065U CN216892040U CN 216892040 U CN216892040 U CN 216892040U CN 202220347065 U CN202220347065 U CN 202220347065U CN 216892040 U CN216892040 U CN 216892040U
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Abstract
The utility model discloses a support plug-in operating platform for erecting a prefabricated beam of an upper-span railway, which comprises a fixed frame horizontally arranged on the top surface of a cover beam and an externally hung platform suspended below the extension end of the fixed frame, wherein the top surface of the cover beam is provided with a square cushion stone, the fixed frame is sleeved along the outline of the square cushion stone, and the fixed frame is fixed on the top surface of the cover beam through bolts. The utility model has the advantages that: the reliable lid roof beam epitaxial operation platform who right is provided for the erection of the prefabricated box girder of the upper cross railway, and personnel's construction safety when guaranteeing the erection of prefabricated beam has the cost of practicing thrift, sets up simply, structure safe and reliable, less advantage to the space requirement compared with traditional operation platform.
Description
Technical Field
The utility model relates to the technical field of railway construction, in particular to a support external hanging operation platform for erecting an upper-span railway precast beam.
Background
The support is an important structural component for connecting the upper structure and the lower structure of the bridge, is positioned between the bridge and the cushion stone, can reliably transfer the load and deformation (displacement and corner) born by the upper structure of the bridge to the lower structure of the bridge, and is an important force transfer device of the bridge. In current bridge construction, the mounting of the support is always heavy.
The prefabricated beam erection has the advantages of standardization, industrialization, rapidness and economization, and is a typical representative of the assembly type bridge construction engineering. In the beam erecting construction of the precast beam, how to quickly, safely, accurately and effectively install the support on the narrow capping beam for operation is a more outstanding problem. The personal safety of constructors is involved, which cannot be ignored.
The traditional operation platform with the external bent cap or the operation platform erected by the full-space support occupies a large space, is high in construction cost and obstructs ground traffic.
Disclosure of Invention
The utility model aims to provide the externally-hung operating platform for erecting the prefabricated beam of the upper-span railway, which is used for erecting the prefabricated beam of the upper-span railway.
The purpose of the utility model is realized by the following technical scheme:
the externally-hung support operating platform for erecting the prefabricated beam of the upper-span railway is characterized by comprising a fixed frame horizontally arranged on the top surface of a cover beam and an externally-hung platform suspended below the extension end of the fixed frame, wherein a square cushion stone is arranged on the top surface of the cover beam, the fixed frame is sleeved along the outer contour of the square cushion stone, and the fixed frame is fixed on the top surface of the cover beam through bolts.
The fixing frame is n-shaped and composed of a cross rod and two longitudinal rods, wherein the cross rod is attached to the end face of the inner side of the square cushion stone, and the two longitudinal rods are respectively attached to the side faces of the square cushion stone.
And the cross bar is provided with the bolt to be fixed with the top surface of the cover beam.
And arranging the bolt at the end face of the inner side of the longitudinal rod close to the direction cushion stone so as to be fixed with the top surface of the cover beam.
The external hanging type platform comprises a cubic frame platform, a vertical escalator and an inclined pull rod, the vertical escalator is arranged above one side, close to the cover beam, of the three-dimensional square frame platform, the lower end of the vertical escalator is connected with the cubic frame platform, and the upper end of the vertical escalator is connected with the extension end of the fixing frame; the upper end of the diagonal draw bar is welded and fixed with the upper end of the vertical escalator, and the lower end of the diagonal draw bar is welded and fixed with the upper end of one side, away from the cover beam, of the cubic frame platform.
The utility model has the advantages that: the reliable right bent cap extension operation platform is provided for erecting the prefabricated box girder of the upper-span railway, the construction safety of personnel during erecting the prefabricated girder is ensured, and compared with the traditional operation platform, the railway bent cap extension operation platform has the advantages of cost saving, simplicity in erection, safety and reliability in structure and smaller space requirement.
Drawings
FIG. 1 is a side view of a pedestal plug-in operating platform according to the present invention;
fig. 2 is a plan view of the externally hung operating platform of the support in the utility model.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings to facilitate understanding by those skilled in the art:
referring to fig. 1-2, the labels in the figure are: the outer hanging type escalator comprises an outer hanging type platform 1, a cubic frame platform 2, an inclined pull rod 3, a vertical escalator 4, a fixing frame 5, a square cushion stone 6, a longitudinal rod 6a, a transverse rod 6b, a bolt 7 and a cover beam 8.
Example (b): as shown in fig. 1 and 2, the embodiment specifically relates to an externally-hung operation platform for a support for erecting an over-crossing railway precast beam, which is used for providing a reliable operation platform for operators during installation of the support for erecting the over-crossing railway precast beam, and mainly comprises a fixed frame 5 horizontally arranged on the top surface of a cover beam 8 and an externally-hung platform 1 suspended below the extending end part of the fixed frame 5, wherein a square cushion stone 6 is arranged on the top surface of the cover beam 8, the fixed frame 5 is sleeved on the outer ring of the square cushion stone 6 and is attached to the outer contour of the square cushion stone 6, and the fixed frame 5 is fixed on the top surface of the cover beam 8 through a bolt 7.
As shown in fig. 1 and 2, the fixing frame 5 in this embodiment is n-shaped so as to be attached to the outer contour of the square cushion stone 6, and mainly includes two longitudinal rods 6a and a transverse rod 6b, the two longitudinal rods 6a are respectively attached to the side wall surfaces of the square cushion stone 6, and the transverse rod 6b is attached to the inner side end surface of the square cushion stone 6, it should be noted that the height of the square cushion stone 6 should be higher than the height of each rod member in the fixing frame 5, so as to provide a reliable counter force for the fixing frame 5. In addition, in order to further improve the stability of the fixed frame 5, bolts 7 are arranged on the transverse rods 6b and fixedly connected with the cover beams 8, and the bolts 7 can be arranged on the inner side end faces of the longitudinal rods 6a close to the square cushion stones 6.
As shown in fig. 1 and 2, the outer end of the fixed frame 5 extends outwards and protrudes out of the side wall surface of the cover beam 8, the externally-hung platform 1 is correspondingly suspended below the outwards-extending end, the externally-hung platform 1 comprises a cubic frame platform 2, a vertical staircase 4 and a diagonal draw bar 3, wherein the cubic frame platform 2 is formed by welding a plurality of square steels into a cubic frame for workers to stand, and the cubic frame platform 2 is attached to the side wall surface of the cover beam 8, but a certain gap exists between the two; the vertical staircase 4 is arranged above one side, close to the cover beam 8, of the cubic frame platform 2 and is welded and fixed with the cover beam 8, the connection between the cubic frame platform 2 and the fixing frame 5 is realized through the vertical staircase 4, and the vertical staircase 4 realizes a passage for operators to pass between the top surface of the cover beam 8 and the cubic frame platform 2; in order to further strengthen the structural stability of the externally-hung platform 1, an inclined pull rod 3 is further arranged, the upper end of the inclined pull rod 3 is welded and fixed with the upper end of the vertical escalator 4, and the lower end of the inclined pull rod 3 is welded and fixed with the upper end of one side, away from the cover beam 8, of the cubic frame 2.
The beneficial effect of this embodiment lies in: the reliable right bent cap extension operation platform is provided for erecting the prefabricated box girder of the upper-span railway, the construction safety of personnel during erecting the prefabricated girder is ensured, and compared with the traditional operation platform, the railway bent cap extension operation platform has the advantages of cost saving, simplicity in erection, safety and reliability in structure and smaller space requirement.
Claims (5)
1. The externally-hung support operating platform for erecting the prefabricated beam of the upper-span railway is characterized by comprising a fixed frame horizontally arranged on the top surface of a cover beam and an externally-hung platform suspended below the extension end of the fixed frame, wherein a square cushion stone is arranged on the top surface of the cover beam, the fixed frame is sleeved along the outer contour of the square cushion stone, and the fixed frame is fixed on the top surface of the cover beam through bolts.
2. The externally hung operating platform for the supports for erecting the precast girders for the overpass railway according to claim 1, wherein the fixing frame is n-shaped and comprises a cross rod and two longitudinal rods, wherein the cross rod is attached to the inner end surface of the square cushion stone, and the two longitudinal rods are respectively attached to the side surfaces of the square cushion stone.
3. The externally hung operating platform for the supports for erecting the precast girders across the railway according to claim 2, characterized in that the bolts are arranged on the cross bars to be fixed with the top surfaces of the cover girders.
4. The externally hung operating platform for the supports for erecting the precast girders across the railway according to claim 2, wherein the bolts are arranged at the positions of the inner side end surfaces of the longitudinal bars, which are close to the square bolsters, so as to be fixed with the top surfaces of the cover girders.
5. The externally hung support operating platform for erecting the prefabricated beam of the upper cross railway as claimed in claim 1, wherein the externally hung platform comprises a cubic frame platform, a vertical escalator and a diagonal draw bar, the vertical escalator is arranged above one side, close to the cover beam, of the cubic frame platform, the lower end of the vertical escalator is connected with the cubic frame platform, and the upper end of the vertical escalator is connected with the extending end of the fixed frame; the upper end of the diagonal draw bar is welded and fixed with the upper end of the vertical escalator, and the lower end of the diagonal draw bar is welded and fixed with the upper end of one side, away from the cover beam, of the cubic frame platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220347065.3U CN216892040U (en) | 2022-02-21 | 2022-02-21 | External operating platform for erecting prefabricated beams of upper-span railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220347065.3U CN216892040U (en) | 2022-02-21 | 2022-02-21 | External operating platform for erecting prefabricated beams of upper-span railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216892040U true CN216892040U (en) | 2022-07-05 |
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ID=82185153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220347065.3U Active CN216892040U (en) | 2022-02-21 | 2022-02-21 | External operating platform for erecting prefabricated beams of upper-span railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216892040U (en) |
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2022
- 2022-02-21 CN CN202220347065.3U patent/CN216892040U/en active Active
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