CN214245368U - Assembled steel trestle bridge floor system - Google Patents
Assembled steel trestle bridge floor system Download PDFInfo
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- CN214245368U CN214245368U CN202022681088.1U CN202022681088U CN214245368U CN 214245368 U CN214245368 U CN 214245368U CN 202022681088 U CN202022681088 U CN 202022681088U CN 214245368 U CN214245368 U CN 214245368U
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- bridge deck
- rod
- fixed
- steel trestle
- locking
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Abstract
The utility model discloses an assembled steel trestle bridge deck system, which comprises a Bailey beam, a bridge deck arranged on the Bailey beam, a guardrail component fixed on the bridge deck, a steel structure cross beam and an upper chord member fixed on the Bailey beam; the bridge deck is laid on the upper surface of the steel structure cross beam. The utility model discloses can improve the rigidity of decking, reduce the site operation volume, improve the efficiency of construction.
Description
Technical Field
The utility model relates to a road bridge construction technical field particularly, relates to an assembled steel trestle bridge floor system.
Background
Along with the continuous expansion of road bridge engineering construction scale to and for satisfying high efficiency, economy, the practical requirement to the work progress, more and more road bridge work progress need erect construction platform and carry out supplementary construction. The large-span steel truss is widely applied to high-rise galleries, water platforms and high-altitude walkways, replaces the traditional method of landing scaffolds or integral lifting, and can shorten the construction preparation period and accelerate the assembly speed by adopting a Bailey beam structure.
The current patent name that has disclosed is "platform overall structure is restrainted to bailey roof beam", the chinese utility model patent that publication number is CN210561768U, this patent is through setting up assembled side post structure at bailey roof beam top, and set up on the decking can with this side post complex through-hole, cooperate the decking and side post grafting, thereby realize laying fast of decking, be convenient for the dismouting used repeatedly of bailey roof beam platform, set up additional strengthening simultaneously between bottom sprag structure's adjacent pillar, increase equipment wholeness and stability, bearing capacity is stronger.
However, the rigidity of the bridge deck in the above patent needs to be improved, and the field operation amount is large, which reduces the construction efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembled steel trestle bridge floor system, it designs to assembled steel trestle bridge floor system, can improve the rigidity of decking, reduces the field operation volume, improves the efficiency of construction.
The embodiment of the utility model discloses a realize through following technical scheme:
an assembled steel trestle bridge deck system comprises a Bailey beam, a bridge deck arranged on the Bailey beam, a guardrail component fixed on the bridge deck, a steel structure cross beam and an upper chord fixed on the Bailey beam; the bridge deck is laid on the upper surface of the steel structure cross beam.
The utility model discloses an in the embodiment, the guardrail subassembly includes horizontal pole and collapsible pole setting, and this collapsible pole setting is worn to locate by this horizontal pole, and this collapsible pole setting is fixed in the decking.
The utility model discloses an in the embodiment, steel construction groined type roof beam includes a plurality of crossbeams and a plurality of longerons, and this crossbeam welds between two adjacent these longerons.
In an embodiment of the present invention, the foldable vertical rod includes a fixing rod, a movable rod and a locking structure, the fixing rod is fixed to the bridge deck, the movable rod is hinged to the fixing rod, and after the foldable vertical rod is unfolded, the locking structure is used for locking the movable rod and the fixing rod.
In an embodiment of the present invention, the locking structure includes a first locking ear plate, a second locking ear plate and a pin, the first locking ear plate is disposed on the fixed rod, the second locking ear plate is disposed on the movable rod, the first locking ear plate and the second locking ear plate are both disposed with pin holes, and the pin is inserted into the pin holes.
In an embodiment of the present invention, the movable rod is provided with a color flag socket.
In an embodiment of the present invention, the bailey beam is provided with a U-shaped riding bolt for fixing the bridge deck.
The utility model discloses an in the embodiment, still include beiLei roof beam stop device, fix beiLei roof beam is in the base.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
the embodiment of the utility model provides a set up the steel construction well word roof beam that is formed by the integrative design of longeron, crossbeam, this steel construction well word roof beam has reduced the site operation work volume by a wide margin at the whole welding process of mill, has improved the efficiency of construction, and this steel construction well word roof beam forms the atress characteristics of approximate two-way board moreover, and the atress is superior to conventional decking.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a cross beam with a medium steel structure;
FIG. 3 is a top view of the cross beam with a medium steel structure of the present invention;
fig. 4 is a schematic structural view of the bailey beam limiting device of the present invention;
FIG. 5 is a schematic structural view of a U-shaped saddle bolt of the present invention;
fig. 6 is a schematic structural view of the guardrail assembly of the present invention;
FIG. 7 is a view A-A in FIG. 6;
fig. 8 is a folding schematic view of the middle foldable vertical rod of the present invention.
Icon: 1-Bailey beam, 2-bridge deck slab, 3-steel structure cross beam, 31-cross beam, 32-longitudinal beam, 4-guardrail component, 41-cross rod, 42-foldable upright rod, 43-fixed rod, 44-movable rod, 45-locking structure, 451-first locking lug plate, 452-second locking lug plate, 46-color flag socket, 5-U-shaped riding bolt and 6-Bailey beam limiting device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the directions or positional relationships indicated by the terms "inside" and "outside" are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be interpreted as a limitation of the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 8, an assembled steel trestle bridge deck system includes a bailey beam 1, a bridge deck 2 configured on the bailey beam 1, a guardrail assembly 4 fixed on the bridge deck 2, and a steel-structured cross beam 3 fixed on an upper chord of the bailey beam 1; the bridge deck 2 is laid on the upper surface of the steel structure cross beam 3.
In order to improve the rigidity of the bridge deck 2, reduce the field operation amount and improve the construction efficiency, the technical scheme is provided with the steel structure cross beam 3, the steel structure cross beam 3 comprises a plurality of cross beams 31 and a plurality of longitudinal beams 32, and the cross beams 31 are welded between every two adjacent longitudinal beams 32. This steel construction well word roof beam 3 has reduced the site operation work volume by a wide margin at the whole welding process of mill, has improved the efficiency of construction, and this steel construction well word roof beam 3 forms the atress characteristics of approximate two-way board moreover, and the atress is superior to conventional decking 2. In terms of structural design, the stringers 32 have a smaller cross-section than conventional decks, thereby reducing the amount of material used. Bailey beam 1 is provided with U-shaped horse riding bolts 5 for fixing bridge deck plate 2, and when assembling, steel structure cross beam 3 is placed on Bailey beam 1, and bridge deck plate 2 is spread in this steel structure cross beam 3 upper surface, and bridge deck plate 2 sets up the clamp plate that has the through-hole, buckles U-shaped horse riding bolts 5 in Bailey beam 1's upper chord, and U-shaped horse riding bolts 5 passes the through-hole of clamp plate, and reuse nut and U-shaped horse riding bolts 5 to be connected, realizes being connected of Bailey beam 1 and bridge deck plate 2. In the technical scheme, the connecting distance between two adjacent U-shaped riding bolts 5 is a modulus of 45cm, and the number of 1 truss of the Bailey beam can be adjusted according to bridge decks with different spans.
It should be noted that, the bailey beam 1 in this technical solution is installed on the base to form a complete steel trestle.
In this embodiment, the device further includes a beret beam limiting device 6 for fixing the beret beam 1 to the base. This bailey beam stop device 6 includes a plurality of vertical channel-section steels and a plurality of horizontal channel-section steels, the string roof beam disposes in the fixed fulcrum crossbeam 31 of base under bailey beam 1, this crossbeam 31 can be channel-section steel or H shaped steel, to a fulcrum of bailey beam 1, four horizontal channel-section steels are around this fulcrum welding for a mouthful word form frame, four vertical channel-section steels weld respectively in four angles of a mouthful word form frame, four vertical channel-section steels are around this fulcrum crossbeam 31, this vertical channel-section steel is also fixed with the base, utilize this bailey beam stop device 6 to realize spacing to bailey beam 1. The Bailey beam 1 is adjacent
In some embodiments, the guardrail assembly 4 comprises a cross bar 41 and a foldable upright 42, the cross bar 41 is disposed through the foldable upright 42, and the foldable upright 42 is fixed to the bridge deck 2. The foldable upright rod 42 comprises a fixed rod 43, a movable rod 44 and a locking structure 45, the fixed rod 43 and the movable rod 44 can be made of 10# I-steel, the cross rod 41 can be made of 48.3X 3.6 steel pipes, a connecting base is arranged at the bottom of the fixed rod 43 and consists of 10mm steel plates, and the fixed rod 43 is in bolted connection with the bridge deck 2 through the connecting base. The fixed bar 43 is fixed to the bridge deck 2, the movable bar 44 is hinged to the fixed bar 43, and the locking structure 45 is used for stopping the movable bar 44 and the fixed bar 43 after the foldable upright 42 is unfolded. The locking structure 45 includes a first locking lug 451, a second locking lug 452, and a pin, wherein the first locking lug 451 is disposed on the fixed rod 43, the second locking lug 452 is disposed on the movable rod 44, and the pin is inserted into the pin holes of the first locking lug 451 and the second locking lug 452. This technical scheme is through setting up dead lever 43 and movable rod 44, be about to the guardrail sets up to the lower part fixed, and upper portion can turn over downwards and realize folding structure. When the guardrail needs to be completely unfolded, the upper part of the guardrail is turned upwards, the plug pins are inserted into the pin holes of the first locking lug plate 451 and the second locking lug plate 452, the movable rod 44 and the fixed rod 43 are fixed through the plug pins, and the movable rod 44 is prevented from automatically turning downwards. When the guardrail needs to be folded, the bolt is pulled out, and the folding of the guardrail can be realized.
Compared with the prior art, the guardrail simple manufacture among this technical scheme can accomplish the manufacturing in the mill, and it is simple and convenient to make, carries out the trompil to dead lever 43 and movable rod 44 part, and the top end is sealed, and the board is welded to the bottom, can accomplish the mill and make. And the installation is convenient, the fixed rod 43 of the guardrail is connected with the bridge deck 2 by bolts, and the cross rod 41 passes through the reserved hole positions on the fixed rod 43 and the movable rod 44, so that the field installation can be completed. Still have application scope's characteristics wider, the sectional design about the pole setting, adopt collapsible pole setting 42 promptly, adopt single ears board bolt connection between dead lever 43 and the movable rod 44, can turn over the guardrail according to the use scene of difference. For example, when the crawler crane rotates to operate, the guardrail turns outwards, so that the crawler crane is prevented from touching the guardrail.
In some embodiments, the movable bar 44 is configured with a flag socket 46. In order to facilitate the publicity color flag to be fixed on the steel trestle, the color flag socket 46 is welded on the movable rod 44 in the technical scheme, the color flag socket 46 in the embodiment adopts a square steel pipe, and a plurality of jacks for inserting flags are arranged on the square steel pipe. It should be noted that the color flag socket 46 is welded to the movable rod 44, that is, the color flag socket 46 is disposed on the upper half portion of the guardrail.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An assembled steel trestle bridge deck system comprises a Bailey beam, a bridge deck arranged on the Bailey beam, and a guardrail component fixed by the bridge deck, and is characterized by also comprising,
the steel structure cross beam is fixed on the upper chord of the Bailey beam;
the bridge deck is laid on the upper surface of the steel structure cross beam.
2. The fabricated steel trestle bridge deck system of claim 1,
the guardrail component comprises a cross rod and a foldable vertical rod,
the cross rod is arranged through the foldable vertical rod,
the foldable upright stanchion is fixed to the bridge deck.
3. The fabricated steel trestle bridge deck system of claim 1,
the steel structure cross beam comprises a plurality of cross beams and a plurality of longitudinal beams,
the cross beam is welded between two adjacent longitudinal beams.
4. An assembled steel trestle bridge deck system according to claim 2,
the foldable upright stanchion comprises a fixed pole, a movable pole and a locking structure,
the fixing rod is fixed on the bridge deck,
the movable rod is hinged with the fixed rod,
the locking structure is used for stopping the movable rod and the fixed rod after the foldable vertical rod is unfolded.
5. An assembled steel trestle bridge deck system according to claim 4,
the locking structure comprises a first locking lug plate, a second locking lug plate and a bolt,
the first locking ear plate is configured on the fixed rod,
the second locking lug plate is configured on the movable rod,
the first locking lug plate and the second locking lug plate are both provided with pin holes,
the pin is inserted into the pin hole.
6. An assembled steel trestle bridge deck system according to claim 4,
the movable rod is provided with a color flag socket.
7. The fabricated steel trestle bridge deck system of claim 1,
the bailey beam is provided with U-shaped riding bolts for fixing the deck slab.
8. The fabricated steel trestle deck system of claim 7, further comprising,
and the Bailey beam limiting device is used for fixing the Bailey beam on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022681088.1U CN214245368U (en) | 2020-11-18 | 2020-11-18 | Assembled steel trestle bridge floor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022681088.1U CN214245368U (en) | 2020-11-18 | 2020-11-18 | Assembled steel trestle bridge floor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214245368U true CN214245368U (en) | 2021-09-21 |
Family
ID=77733023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022681088.1U Active CN214245368U (en) | 2020-11-18 | 2020-11-18 | Assembled steel trestle bridge floor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214245368U (en) |
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2020
- 2020-11-18 CN CN202022681088.1U patent/CN214245368U/en active Active
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Address after: 610047 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Sichuan Communications Construction Group Co.,Ltd. Address before: 610047 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: Sichuan Communications Construction Group Co.,Ltd. |