CN216474549U - Prefabricated beam erection platform for full-width erection - Google Patents
Prefabricated beam erection platform for full-width erection Download PDFInfo
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- CN216474549U CN216474549U CN202122980402.0U CN202122980402U CN216474549U CN 216474549 U CN216474549 U CN 216474549U CN 202122980402 U CN202122980402 U CN 202122980402U CN 216474549 U CN216474549 U CN 216474549U
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Abstract
The utility model relates to the field of bridge construction, in particular to a prefabricated beam erecting platform for full-width erection, which comprises at least one supporting component, wherein a frame member is arranged at the top of the supporting component, a leveling member is arranged at the top of the frame member, and the top of the leveling member is used for arranging a transverse moving track of a bridge erecting machine. The precast beam erection platform for full-width erection comprises a platform consisting of a supporting component, a frame component and a leveling component, and is used for leveling foundations on two sides with a height difference and providing a traversing rail erection foundation on the same horizontal line for a bridge girder erection machine, so that a traversing rail of the bridge girder erection machine can be erected on the side with the lower height, and the full-width erection of a precast beam bridge is realized.
Description
Technical Field
The utility model relates to the field of bridge construction, in particular to a prefabricated beam erecting platform for full-width erection.
Background
When the bridge girder erection machine works on a double-width bridge, the erection of the transverse moving track of the bridge girder erection machine needs to be based on the same elevation, and the transverse moving track is erected on the same elevation, so that the aim of full-width erection of the double-width feeding beam is fulfilled.
However, when the difference in elevation between the foundations corresponding to the two half frames is large for the same pile number, for example, when one of the two frames is a pier and the other is a roadbed, and the difference in elevation is large, it is difficult to erect the traverse rails and the whole frame erection cannot be performed because the adjustment cannot be performed by directly laying members such as sleepers.
Therefore, there is an urgent need for a technical solution to solve the technical problem that the existing bridge girder erection machine cannot realize full-span erection due to the fact that two half-spans of the bridge correspond to the foundation with elevation difference and it is difficult to provide a traversing rail erection foundation on the same horizontal line for the bridge girder erection machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in response to the problems of the prior art, a prefabricated beam erection platform for full-width erection is provided.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a prefabricated beam erects platform for full width erection, includes at least one supporting component, the supporting component top sets up frame component, the frame component top sets up leveling member, leveling member top is used for setting up bridging machine sideslip track.
The precast beam erection platform for full-width erection comprises a platform consisting of a supporting component, a frame component and a leveling component, and is used for leveling foundations on two sides with a height difference and providing a traversing rail erection foundation on the same horizontal line for a bridge girder erection machine, so that a traversing rail of the bridge girder erection machine can be erected on the side with the lower height, and the full-width erection of a precast beam bridge is realized.
As a preferable scheme of the present invention, the support assembly includes a plurality of columns arranged in a matrix, adjacent columns are connected by reinforcing struts, a cross beam is disposed on the top of each column, the cross beam is fixedly connected with the column by a connecting member, and the frame member is disposed on the cross beam. The supporting assembly is formed by the upright columns arranged in the matrix, so that the platform can adapt to terrains of different construction sites, and the structure is stable.
As the preferable scheme of the utility model, the top of the upright post is provided with a clamping groove, and the local part of the beam is clamped in the clamping groove. The position of the cross beam relative to the upright post is stable, and the overall stability of the platform is improved.
As the preferable scheme of the utility model, the cross beam comprises double-spliced I-shaped steel, and the upright comprises a steel pipe.
As a preferable scheme of the present invention, the frame member includes a plurality of beret pieces arranged in a row, the beret pieces in adjacent rows are detachably connected, and the beret pieces are perpendicular to the cross beam. The frame member that bailey piece is constituteed is stable in structure and sets up easily, and the realization cyclic utilization is combined with crossbeam, the stand of steel construction.
As a preferable scheme of the present invention, a limiting member for limiting a position of the bailey piece is disposed at a top of the cross beam, and the limiting member includes a channel steel. The position of the bailey sheet relative to the cross beam is stable, and the overall stability of the platform is guaranteed.
As a preferable scheme of the utility model, the leveling mechanism at least comprises a plurality of distribution beams which are arranged in parallel, and the distribution beams comprise I-shaped steel or double-spliced I-shaped steel. The distribution beam, the frame member and the support assembly form an all-steel structure type platform, the platform is easy to erect and good in stability, and a stable erection foundation can be provided for the transverse moving rail of the bridge girder erection machine.
As a preferable scheme of the utility model, sleepers are arranged on the tops of the distribution beams. The sleeper supports between distribution beam and the sideslip track of bridge girder erection machine, is favorable to reducing the whole impact force of bridge girder erection machine moving process to the platform, and the antidetonation effect is better, guarantees the stability in the platform use, ensures that precast beam bridge roof beam smooth carries out full width erection, simultaneously, can be according to actual conditions, adjusts the corresponding height of distribution beam and sleeper, realizes the small-range adjustment to the platform elevation, further ensures to provide the sideslip track of same water flat line for bridge girder erection machine and erects the basis.
As a preferable scheme of the utility model, the number of the supporting assemblies is two or more, all the supporting assemblies are arranged in an array mode, and the bottom surface of each supporting assembly is connected with the bearing platform through an embedded part. A plurality of supporting components make the platform structure more stable, simultaneously, through the built-in fitting connection cushion cap, do not have the region on column mouting basis and provide the basis for the fixed of stand, make each stand set up stably, and then ensure the overall stability of platform.
The utility model also comprises at least one auxiliary connecting mechanism, wherein the auxiliary connecting mechanism comprises a support beam and a support piece for supporting the support beam, the support beam is connected with the bottom surface of the frame member, and the support piece is used for being connected with the foundation on the higher elevation side.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the platform is formed by the supporting component, the frame component and the leveling component and used for leveling two side foundations with height difference on the foundation of the lower side of the elevation, and a transverse moving track erection foundation on the same horizontal line is provided for the bridge girder erection machine, so that a transverse moving track of the bridge girder erection machine can be erected on the lower side of the elevation, and the full-width erection of the precast beam bridge is realized.
Drawings
FIG. 1 is a front view of a prefabricated beam erection platform for full-width erection in accordance with the present invention;
FIG. 2 is an enlarged partial schematic view of FIG. 1 at A;
FIG. 3 is a side view of a prefabricated beam erection platform for full-width erection in accordance with the present invention;
FIG. 4 is a top plan view of a prefabricated beam erection platform (without distribution beams) for full-width erection in accordance with the present invention;
FIG. 5 is a front view of the prefabricated beam erection platform for full-width erection in the use state of the embodiment 1;
FIG. 6 is a side view of the prefabricated beam erection platform for full-width erection in use according to embodiment 1;
fig. 7 is a plan view showing a use state of a prefabricated beam erection platform (without distribution beams) for full-width erection according to example 1.
Icon:
1-support component, 11-upright post, 111-clamping groove, 12-reinforcing support, 13-cross beam, 14-connecting piece, 2-frame component, 21-Bailey piece, 22-connecting frame, 3-distributing beam, 4-sleeper, 5-limiting piece, 6-bearing platform, 7-auxiliary connecting mechanism, 71-supporting beam, 72-supporting piece, 8-bridge girder erection machine and 9-transverse moving track.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
As shown in fig. 1, the prefabricated beam erection platform for full-width erection of the present embodiment comprises two support assemblies 1 arranged in an array, wherein a frame member 2 is arranged on the top of each support assembly 1, and a leveling member is arranged on the top of each frame member 2, and the top of each leveling member is used for arranging a transverse rail 9 of a bridge girder erection machine 8.
As shown in fig. 1-7, in the present embodiment, each support assembly 1 includes four steel pipe columns 11, four columns 11 are arranged in a matrix, adjacent columns 11 are connected by reinforcing struts 12 of steel structural members to form an integral frame type structure, a beam 13 is arranged at the top of each column 11, the extending direction of the beam 13 is perpendicular to the arrangement direction of the two support assemblies 1, a frame member 2 is arranged at the top of the beam 13, the frame member 2 is a frame type steel structural member, a plurality of distribution beams 3 are arranged in parallel at the top to serve as leveling mechanisms, and the top of the distribution beams 3 can be directly or indirectly provided with a traversing rail 9 of a bridge girder erection machine 8 according to actual conditions.
Specifically, the reinforcing brace 12 comprises a cross brace and an inclined brace, preferably, a channel steel or an I-steel structural member, the cross beam 13 and the distribution beam 3 are I-steel structural members, preferably, double-spliced I-steel, and the top surfaces and the bottom surfaces of the formed cross beam 13 and the distribution beam 3 are closed surfaces through double-splicing forming of the I-steel or double-splicing forming of the channel steel.
Preferably, the bottom of the beam 13 is fixed with the outer side surface of the upright 11 by welding through a connecting piece 14.
Specifically, the connecting member 14 is a triangular rib plate, and preferably, two triangular rib plates are arranged on the bottom of the cross beam 13 and the surface of the outer side of one side of the upright post 11.
Preferably, the top of the upright post 11 is provided with a clamping groove 111, and the cross beam 13 is partially clamped in the clamping groove 111.
Preferably, in this embodiment, the distribution beam 3 is preferably parallel to the cross beam 13, and the sleepers 4 are disposed at the top of the distribution beam 3, so that the distribution beam 3 and the sleepers 4 jointly form a leveling mechanism, thereby realizing adjustment of elevation with small difference, and the sleepers 4 have vibration-damping and anti-seismic effects, and can avoid influence on the platform structure caused by the transverse movement process of the bridge girder erection machine 8.
Preferably, in this embodiment, the bottom of the upright post 11 is connected with the bearing platform 6 through an embedded part, the bearing platform 6 is a reinforced concrete structural member arranged on the foundation on the lower side of the elevation in advance, the bottom of the bearing platform 6 is excavated to the undisturbed soil surface, the bearing capacity of the bearing platform 6 is not lower than 230Kpa, the bottom of the upright post 11 is connected and fixed with the bearing platform 6 through bolts, and the platform can be easily disassembled after use, so that the cyclic utilization of the platform is realized.
The platform is composed of the supporting component 1, the frame component 2 and the leveling components, is stable in structure and good in anti-seismic effect, is used for leveling two side foundations with a height difference on the basis of one side with a lower elevation, provides a traversing track 9 on the same horizontal line for the bridge girder erection machine 8, and enables the traversing track 9 of the bridge girder erection machine 8 to be erected on one side with a lower elevation so as to realize full-width erection of a precast beam bridge.
As shown in fig. 1-7, the prefabricated beam erecting platform for full-width erection of the embodiment is applied to a full-width erection site of a prefabricated beam corresponding to the same pile number, wherein one prefabricated beam is a pier, the other prefabricated beam is a roadbed, the heights of the pier and the roadbed exceed 2m, the platform is arranged on the side of the pier, the height difference between the two prefabricated beams is reduced, the same horizontal line erection foundation is provided for the transverse moving track 9 of the bridge erecting machine 8, the beam feeding and lifting are only carried out on the side of the roadbed, the bridge erecting machine is transversely moved by the aid of the transverse moving track, and finally the purpose of erecting a prefabricated beam bridge by half width of the beam feeding and full width is achieved.
Example 2
As shown in fig. 1 to 7, the prefabricated beam erection platform for full-width erection of the present embodiment has the same structure as that of embodiment 1, except that: the frame member 2 comprises a plurality of arranged bailey pieces 21, the bailey pieces 21 in adjacent rows are detachably connected, the bailey pieces 21 are perpendicular to the cross beam 13, and the top of the cross beam 13 is provided with a limiting part 5 for limiting the position of the bailey pieces 21.
The utility model provides a prefabricated beam erection platform for full width erects, at crossbeam 13 top welding channel-section steel or other steel members, restriction bailey piece 21 produces the displacement along the direction of perpendicular to crossbeam 13 length, a plurality of bailey pieces 21 parallel arrangement sets up, connect fixedly through conventional bailey piece 21 link 22 between the bailey piece 21 of adjacent row, constitute all link 22 dislocation arrangement of frame member 2, make all relative crossbeam 13 position stability of bailey piece 21, make frame member 2 overall structure stable, bearing capacity is better.
Example 3
As shown in fig. 1 to 7, the prefabricated beam erection platform for full-width erection of the present embodiment has the same structure as that of embodiment 2, except that: the high-altitude connecting structure is characterized by further comprising at least one auxiliary connecting mechanism 7, wherein the auxiliary connecting mechanism 7 comprises a supporting beam 71 and a supporting piece 72 for supporting the supporting beam 71, the supporting beam 71 is connected with the bottom surface of the frame member 2, and the supporting piece 72 is used for being connected with the foundation on the higher side of the altitude.
The prefabricated beam erection platform for full-width erection is characterized in that a support beam 71 is arranged at the bottom of the side, close to the higher side of the elevation, of a frame member 2, a support piece 72 is arranged at the bottom of the support beam 71 and connected with the foundation of the side, close to the higher side of the elevation, of the support piece 72, and the platform and the foundation of the side, close to the higher side of the elevation, of the elevation are connected to form a whole, so that the construction stability of an erection foundation for a bridge girder erection machine 8 is facilitated.
Specifically, the supporting beam 71 is an i-beam, preferably a double-split i-beam, preferably having the same structure as the cross beam 13, the supporting members 72 are steel pipes, preferably two, and the supporting members 72 are welded or lap-jointed to the supporting beam 71.
Specifically, the prefabricated beam erection platform for full-width erection of this embodiment, the support piece 72 is a steel bar with a diameter of 130mm, can be inserted into the roadbed side ear back wall, realizes the connection with the higher side of elevation, and the support beam 71 is a double-spliced I-steel and is placed on the steel bar.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The prefabricated beam erection platform for full-width erection is characterized by comprising at least one supporting assembly (1), wherein a frame member (2) is arranged at the top of the supporting assembly (1), a leveling member is arranged at the top of the frame member (2), and the top of the leveling member is used for arranging a transverse moving track (9) of a bridge erection machine (8).
2. The prefabricated beam erection platform for full-width erection as claimed in claim 1, wherein said support assembly (1) comprises a plurality of columns (11) arranged in a matrix, adjacent columns (11) are connected by reinforcing struts (12), a cross beam (13) is arranged on the top of each column (11), said cross beam (13) and said columns (11) are fixedly connected by a connecting piece (14), and said frame members (2) are arranged on said cross beam (13).
3. The prefabricated beam erection platform for full-width erection as claimed in claim 2, wherein the top of said upright column (11) is provided with a slot (111), and said cross beam (13) is partially retained in said slot (111).
4. A prefabricated beam erecting platform for full-width erection according to claim 3, wherein said cross beam (13) comprises double split i-steel and said upright (11) comprises steel pipe.
5. A prefabricated beam erecting platform for full-width erection according to claim 2, wherein said frame members (2) comprise a plurality of bery plates (21) arranged in rows, said bery plates (21) of adjacent rows being detachably connected to each other, said bery plates (21) being perpendicular to said cross beam (13).
6. The prefabricated beam erection platform for full-width erection according to claim 5, wherein a limiting member (5) for limiting the position of said bailey piece (21) is arranged on top of said cross beam (13), and said limiting member (5) comprises a channel steel.
7. A prefabricated beam erecting platform for full-width erection according to claim 2, wherein said levelling means at least comprises a plurality of distribution beams (3) arranged in rows, said distribution beams (3) and said cross beams (13) being parallel to each other, said distribution beams (3) comprising i-beams or double-spliced i-beams.
8. A prefabricated beam erection platform for full-width erection according to claim 7, wherein sleepers (4) are provided on top of said distribution beams (3).
9. The prefabricated beam erection platform for full-width erection according to any one of claims 1 to 8, wherein said support members (1) are two or more, all said support members (1) are arranged in a row, and the bottom surface of each said support member (1) is connected with a bearing platform (6) through an embedded part.
10. A prefabricated beam erection platform for full-width erection according to claim 9, further comprising at least one auxiliary connection mechanism (7), said auxiliary connection mechanism (7) comprising a support beam (71) and a support member (72) for supporting said support beam (71), said support beam (71) being connected to the bottom surface of said frame member (2), said support member (72) being adapted to be connected to the higher elevation side foundation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122980402.0U CN216474549U (en) | 2021-11-30 | 2021-11-30 | Prefabricated beam erection platform for full-width erection |
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| CN202122980402.0U CN216474549U (en) | 2021-11-30 | 2021-11-30 | Prefabricated beam erection platform for full-width erection |
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| CN216474549U true CN216474549U (en) | 2022-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117721798A (en) * | 2023-12-21 | 2024-03-19 | 中铁工程机械研究设计院有限公司 | Pile forming vibration suppression method for bridge girder erection machine |
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2021
- 2021-11-30 CN CN202122980402.0U patent/CN216474549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117721798A (en) * | 2023-12-21 | 2024-03-19 | 中铁工程机械研究设计院有限公司 | Pile forming vibration suppression method for bridge girder erection machine |
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