CN216999244U

CN216999244U - Interim steel landing stage of river-crossing

Info

Publication number: CN216999244U
Application number: CN202220293808.3U
Authority: CN
Inventors: 刘波; 何义; 刘韦娟
Original assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Current assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-07-19
Anticipated expiration: 2032-02-14

Abstract

The utility model provides a river-crossing temporary steel trestle, which comprises: the number of the Bailey beams is two; the steel pipe piles are arranged at the lower ends of the Bailey beams; the top of the steel pipe pile is provided with a groove, a joist is embedded in the groove, and the Bailey beam is arranged at the upper end of the joist; the distribution beams are arranged on the two Bailey beams; the inclined struts are arranged and are used for connecting the steel pipe piles with the distribution beams; the distribution channel steels are arranged at the upper ends of the distribution beams; and the steel plate is arranged at the upper ends of the plurality of distributed channel steels. The steel trestle foundation has high strength, high rigidity and high stability, and can be suitable for steel trestle foundation forms under various conditions.

Description

Interim steel landing stage of river-crossing

Technical Field

The utility model relates to a steel trestle, in particular to a river-crossing temporary steel trestle.

Background

In bridge construction, a trestle is used as a temporary bridge facility constructed by transporting materials, equipment and personnel, is a unique channel for supplying construction materials and traffic in and out of an overwater main bridge, is also a basic engineering and a control engineering for the whole bridge construction, particularly a cross-river and cross-sea bridge, is usually longer in construction and is more in manpower and material resources.

The existing steel trestle has more defects, such as insufficient structural stability, incapability of meeting the requirement of long-time continuous use after construction, poor turnover, relatively slow construction speed, and more and expensive consumed materials.

Disclosure of Invention

Aiming at the prior art, the utility model provides a river-crossing temporary steel trestle.

The utility model provides a river-crossing temporary steel trestle, which comprises:

the number of the Bailey beams is two;

the steel pipe piles are arranged at the lower ends of the Bailey beams; the top of the steel pipe pile is provided with a groove, a joist is embedded in the groove, and the Bailey beam is arranged at the upper end of the joist;

the distribution beams are arranged on the two Bailey beams;

the inclined struts are arranged and used for connecting the steel pipe piles and the distribution beams;

the distribution channel steels are arranged at the upper ends of the distribution beams;

and the steel plate is arranged at the upper ends of the plurality of distributed channel steels.

Preferably, the steel pipe pile comprises a plurality of steel pipe pile units, and the steel pipe pile units are in socket joint connection and fastened through bolts.

Preferably, the steel pipe pile comprises a first steel pipe pile and a second steel pipe pile, the first steel pipe pile is provided with a plurality of elongated slots, the second steel pipe pile is provided with a plurality of screw rods, the first steel pipe pile and the second steel pipe pile are in socket joint, and the screw rods penetrate through the elongated slots and are fastened through nuts.

Preferably, a base plate is welded in the groove, a plurality of first long holes are formed in the base plate, a plurality of second long holes are formed in the joist, and the first long holes and the second long holes are perpendicular to each other and fixedly connected through bolts.

Preferably, the inclined strut, the steel pipe pile and the distribution beam are fixedly connected through a connecting plate.

Preferably, the two sides of the steel plate are provided with anti-collision piers, and the anti-collision piers are made of water horses.

Preferably, a stiffening plate is arranged between the joist and the inner wall of the groove.

Preferably, the first steel pipe pile and the distribution beam are connected through a first inclined strut, and the second steel pipe pile and the distribution beam are connected through a second inclined strut.

Compared with the prior art, the utility model has the beneficial effects that:

1. the steel materials such as the Bailey beam, the I-steel and the like are all finished product structures, can be circulated and recycled; the utility model is assembled, and the disassembly and the assembly are convenient and quick.

2. According to the utility model, the steel pipe pile is connected by adopting the multiple sections of bolts, so that the assembling performance of the steel pipe pile can be improved, the later welding is avoided, the disassembly is more convenient, and the cutting is not required. If the length of the steel pipe pile to be inserted and driven is too large, the number of the sections of the steel pipe pile can be increased or the length of a single section of the steel pipe pile can be increased.

3. In the preferred scheme, the joist and the backing plate are respectively provided with a long hole and are connected by bolts, the sliding support with the long hole is innovatively adopted, the sliding efficiency is enhanced, the stress of the steel trestle at the node is released, and the damage is avoided.

4. In the preferred scheme, for increasing the rigidity of steel-pipe pile and steel trestle, set up first bracing and second bracing specially, connect first steel-pipe pile and second steel-pipe pile respectively, avoid two steel-pipe piles to be because the stress that rigidity difference produced destroys, and can effectively increase its stability, first bracing and second bracing can set up different cross-sections according to the rigidity of difference and resist rigidity destruction, the complexity of nodal connection has been reduced simultaneously, high-usage, avoid the waste of later stage material, increase its standardization level.

5. The distribution beam is placed on the Bailey beam, the Bailey beam can replace a bridge railing to be used, the strength is high, the stability is good, the increase of the bridge railing is effectively reduced, the cost is saved, and the manufacturing cost is low.

6. In the preferred scheme, the anticollision mound adopts the customization water horse structure, has further promoted its utilization ratio, and the water horse cost is low, is convenient for move, and the material durability is good, has reduced disposable input cost, the green of material.

7. The steel trestle foundation has high strength, high rigidity and high stability, and can be suitable for steel trestle foundation forms under various conditions.

Drawings

FIG. 1 is a front view of an embodiment of the present invention.

Fig. 2 is a side view of an embodiment of the present invention.

Fig. 3 is a structural schematic diagram of a first steel pipe pile according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a second steel-pipe pile according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a joist according to an embodiment of the present invention.

Wherein, 1, a Bailey beam; 2. a first steel pipe pile; 3. a second steel pipe pile; 4. a long groove; 5. a screw; 6. a groove; 7. a base plate; 8. a joist; 9. a first long hole; 10. a second long hole; 11. a distribution beam; 12. a first diagonal brace; 13. a second diagonal brace; 14. a connecting plate; 15. distributing channel steel; 16. a patterned steel plate; 17. anticollision mound.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.

Examples

A temporary steel trestle for crossing a river, as shown in fig. 1-5, comprising: the two Bailey beams 1 and the Bailey beam 1 are connected and installed by adopting a standard common type 1.5mx3m Bailey beam, and the pile end is formed by connecting three groups of Bailey beams to form a Bailey beam whole-piece system and bear force together.

Further, a plurality of steel pipe piles are arranged at the lower end of the Bailey beam 1, each steel pipe pile comprises a first steel pipe pile 2 and a second steel pipe pile 3, the lower peripheral portion of each first steel pipe pile 2 is provided with 12 long grooves 4, the length of each first steel pipe pile 2 is 12m, the diameter of each first steel pipe pile 2 is 550mm, the diameter of each second steel pipe pile 3 is 500mm, the upper peripheral portion of each second steel pipe pile 3 is provided with a

screw

5, 3 x3 steel pipes are uniformly arranged on each side, the first steel pipe pile 2 and the second steel pipe pile 3 are in socket joint, and the screw 5 penetrates through the corresponding long grooves 4 and is fastened through nuts. The top of first steel-pipe pile 2 sets up 35cm deep recess 6, and the interior bottom end welding backing plate 7 of recess 6, the thickness of backing plate 7 is 16mm, and recess 6 is embedded to have a joist 8, and it adopts I40a I-steel, is equipped with four first slot holes 9 on the backing plate 7, is equipped with four second slot holes 10 on the joist 8, and first slot hole 9 sets up perpendicularly and passes through bolt fixed connection with the second slot hole 10 that corresponds, and the upper end of joist 8 is arranged in to bei lei roof beam 1. And a stiffening plate is welded between the joist 8 and the inner wall of the groove 6.

Furthermore, a plurality of distribution beams 11 are arranged on the two Bailey beams 1, the distribution beams 11 are I-shaped steel I40a and are arranged at intervals of 1.5m, the distribution beams are respectively arranged at the lower chord of the Bailey beams 1, 2 lifting points are arranged during lifting, the lifting points are symmetrical at the middle points of the shaped steel, and the steel wire rope clamping rings are fixed. Distribution beam 11 and first steel-pipe pile 2 adopt the installation of first bracing 12 bolt drawknot, and first bracing 12 adopts No. 20 channel-section steels, and distribution beam 11 adopts the installation of second bracing 13 bolt drawknot with second steel-pipe pile 3, and second bracing 13 adopts No. 25 channel-sections, and 16mm thick dysmorphism connecting plate 14 of drawknot department adopts respectively with distribution beam 11 and steel-pipe pile welded connection, and the welding adopts two-sided fillet weld.

Furthermore, the upper end of the distribution beam 11 is provided with a plurality of distribution channel steel 15 which adopts 10 channel steel, the upper end of the distribution channel steel 15 is welded with a pattern steel plate 16 with the thickness of 3mm, the distribution channel steel 15 and the pattern steel plate 16 form a bridge deck, the bridge deck is connected with the distribution beam 11 through spot welding, and the stability of the bridge deck is ensured through spot welding once every 3 m.

Furthermore, after the bridge system is completed, the anti-collision pier 17 made of the water horse is arranged at the 1m position of the Bailey beam to prevent the vehicle from running unsafe and colliding with the Bailey beam 1, and the clear distance of the anti-collision pier 17 is not less than 7m, so that the passing of two-way lanes is ensured.

Steel-pipe pile includes first steel-pipe pile 2 and second steel-pipe pile 3 in this embodiment, can increase the assembly performance of steel-pipe pile, avoids the welding in later stage, and the dismantlement formula is comparatively convenient, need not the cutting. In addition, the joist 8 and the base plate 7 are respectively provided with a long hole and are connected by bolts, a sliding support with the long hole is innovatively adopted, the sliding efficiency is enhanced, the stress of the steel trestle at the node is released, and the damage is avoided. In addition, for increasing the rigidity of steel-pipe pile and steel trestle, specially set up first bracing 12 and second bracing 13, connect first steel-pipe pile 2 and second steel-pipe pile 3 respectively, avoid two steel-pipe piles to be because the stress destruction that rigidity difference produced, and can effectively increase its stability, first bracing 12 and second bracing 13 can set up different cross-sections according to the rigidity of difference and resist rigidity destruction, the complexity of node connection has been reduced simultaneously, high-usage, avoid the waste of later stage material, increase its standardization level. In addition, this embodiment distribution beam 11 places on the lower chord of bei lei liang 1, can replace the bridge railing to use bei lei liang 1, and its intensity is great, stability is good, has effectively reduced the increase of bridge railing, practices thrift the expense, and the cost is low. The anticollision mound 17 of this embodiment adopts customization water horse structure, has further promoted its utilization ratio, and water horse cost is low, is convenient for move, and the material durability is good, has reduced disposable input cost, the green of material.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.

Claims

1. The utility model provides a cross interim steel trestle which characterized in that includes:

two Bailey beams are arranged;

the steel pipe piles are arranged and arranged at the lower end of the Bailey beam; the top of the steel pipe pile is provided with a groove, a joist is embedded in the groove, and the Bailey beam is arranged at the upper end of the joist;

the distribution beams are arranged on the two Bailey beams;

the inclined struts are arranged and are used for connecting the steel pipe piles with the distribution beams;

and the steel plate is arranged at the upper ends of the plurality of distribution channel steel.

2. A temporary steel trestle across a river as claimed in claim 1, wherein said steel pipe pile comprises a plurality of steel pipe pile units, and said steel pipe pile units are socket-connected and fastened by bolts.

3. A temporary steel trestle across a river as claimed in claim 1, wherein said steel pipe piles comprise a first steel pipe pile and a second steel pipe pile, said first steel pipe pile is provided with a plurality of elongated slots, said second steel pipe pile is provided with a plurality of screws, said first steel pipe pile and said second steel pipe pile are socket-jointed, said screws pass through said elongated slots and are fastened by nuts.

4. A temporary steel trestle across a river as claimed in claim 1, wherein a backing plate is welded in the groove, a plurality of first long holes are arranged on the backing plate, a plurality of second long holes are arranged on the joist, and the first long holes and the second long holes are arranged perpendicularly and fixedly connected through bolts.

5. A temporary steel trestle across a river as claimed in claim 1, wherein said diagonal bracing, said steel pipe piles and distribution beams are all fixedly connected by connecting plates.

6. A temporary steel trestle across a river as claimed in claim 1, characterised in that anti-collision piers are provided on both sides of the steel plate, said anti-collision piers being made of water jet.

7. A temporary steel trestle across a river as claimed in claim 1, characterised in that stiffening plates are provided between the joists and the inner walls of the grooves.

8. A temporary steel trestle spanning a river according to claim 3, wherein the first steel pipe pile is connected with the distribution beam through a first inclined strut, and the second steel pipe pile is connected with the distribution beam through a second inclined strut.