Deck type and through type combined Bailey steel temporary bridge

Abstract

The utility model discloses a deck type and through type combined Bailey steel temporary bridge, which belongs to the technical field of temporary steel bridges and comprises a bridge body, and the bridge body comprises a through type Bailey bridge section arranged above a channel and deck type Bailey bridge sections connected to two ends of the through type Bailey bridge section. The through bailey bridge section comprises a first main beam and a bridge deck, through bailey beam groups are arranged on the two sides of the bridge deck, first double-spliced top pile cross beams are arranged at the bottoms of the through bailey beam groups, and first steel pipe pile assemblies are arranged at the bottoms of the first double-spliced cross beams; the deck type bailey bridge section comprises a second main beam and a bridge deck, a deck type bailey beam set is arranged at the bottom of the second main beam, a second double-spliced top pile cross beam is arranged at the bottom of the deck type bailey beam set, and a second steel pipe pile assembly is arranged at the bottom of the second double-spliced top pile cross beam. The heights of bridge abutments on the two sides of the temporary bridge or the lengths of approach bridges need to be increased, so that the construction difficulty of the temporary bridge is increased and the construction period is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steel temporary bridge technical field, concretely relates to a kind of upper bearing type and lower bearing type combined bailey steel temporary bridge. BACKGROUND

[0002] With the development needs of national economy, high-speed rail construction develops rapidly, and the large-span special structure bridge crossing navigable channel increases continuously, and the construction conditions and geographical position of large-span special structure bridge are generally more complex, and the construction process usually needs to build the construction temporary bridge crossing channel to reach construction site.

[0003] Traditional construction steel temporary bridge is mostly upper bearing type bailey structure, and the overall height of structure is higher, to meet navigable clearance, generally by improving the height of abutment on both sides of temporary bridge or increasing the length of approach bridge to promote the overall height of structure, and temporary bridge often needs to be closed during the erection process crossing navigable channel, not only causes great influence on channel traffic, but also greatly increases construction cost and construction period.

[0004] Therefore, it is of great significance to study a new steel temporary bridge to reduce the construction difficulty of temporary bridge and shorten the construction period under the condition of meeting the demand of channel navigation. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an upper bearing type and lower bearing type combined bailey steel temporary bridge, to solve the problem that existing temporary bridge needs to improve the height of abutment on both sides or increase the length of approach bridge to meet navigable clearance, which causes the construction difficulty of temporary bridge to increase and the construction period to grow.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] An upper bearing type and lower bearing type combined bailey steel temporary bridge includes bridge body, the bridge body includes lower bearing type bailey bridge section arranged above channel, upper bearing type bailey bridge section connected to both ends of lower bearing type bailey bridge section, and two groups of upper bearing type bailey bridge section are respectively inclined downward along the direction away from lower bearing type bailey bridge section.

[0008] The lower bearing type bailey bridge section includes first main beam, the top of first main beam is provided with deck slab, lower bearing type bailey beam group is arranged on both sides of deck slab, first double-spliced top pile cross beam is arranged at the bottom of both ends of lower bearing type bailey beam group, and first steel pipe pile assembly for supporting first double-spliced top pile cross beam is arranged at the bottom of first double-spliced cross beam.

[0009] The upper-bearing type bailey bridge section comprises a second main beam, the top of the second main beam is provided with a bridge deck slab, the bottom of the second main beam is provided with an upper-bearing type bailey beam group, the bottom of both ends of the upper-bearing type bailey beam group is provided with a second double-spliced top pile cross beam, the bottom of the middle section of the upper-bearing type bailey beam group is provided with a plurality of second double-spliced top pile cross beams at intervals along the length direction of the upper-bearing type bailey beam group, and the bottom of the second double-spliced top pile cross beam is provided with a second steel pipe pile assembly for supporting the second double-spliced top pile cross beam.

[0010] Further, the first steel pipe pile assembly comprises a first support group arranged at the left end of the bottom of the first double-spliced top pile cross beam and a second support group arranged at the right end of the bottom of the first double-spliced top pile cross beam, the first support group and the second support group are symmetrically arranged relative to the center line of the first double-spliced top pile cross beam, the first support group comprises a first steel pipe pile and a second steel pipe pile, and the second support group comprises a third steel pipe pile and a fourth steel pipe pile.

[0011] The second steel pipe pile assembly comprises a fifth steel pipe pile arranged at the midpoint of the bottom of the second double-spliced top pile cross beam, a sixth steel pipe pile arranged at the left end of the bottom of the second double-spliced top pile cross beam, and a seventh steel pipe pile arranged at the right end of the bottom of the second double-spliced top pile cross beam, and the sixth steel pipe pile and the seventh steel pipe pile are symmetrically arranged relative to the center line of the second double-spliced top pile cross beam.

[0012] The top of the first steel pipe pile, the second steel pipe pile, the third steel pipe pile, and the fourth steel pipe pile is provided with a top groove, the bottom of the first double-spliced top pile cross beam is clamped in the top groove, and the top of the fifth steel pipe pile, the sixth steel pipe pile, and the seventh steel pipe pile is provided with a top groove, and the bottom of the second double-spliced top pile cross beam is clamped in the top groove.

[0013] Further, the first steel pipe pile and the second steel pipe pile are connected with the sixth steel pipe pile of the adjacent second steel pipe pile assembly through a boundary pipe pile connecting beam, and the third steel pipe pile and the fourth steel pipe pile are connected with the seventh steel pipe pile of the adjacent second steel pipe pile assembly through a boundary pipe pile connecting beam.

[0014] Further, the first steel pipe pile and the second steel pipe pile are connected with a pipe pile connecting beam, the third steel pipe pile and the fourth steel pipe pile are connected with a pipe pile connecting beam, the fifth steel pipe pile and the sixth steel pipe pile are connected with a pipe pile connecting beam, and the fifth steel pipe pile and the seventh steel pipe pile are connected with a pipe pile connecting beam.

[0015] Further, the bottom surface of the top groove of the fifth steel pipe pile, the sixth steel pipe pile, and the seventh steel pipe pile is inclinedly arranged, and the inclination angle of the bottom surface is consistent with the inclination angle of the upper-bearing type bailey bridge section.

[0016] Further, the fifth steel pipe pile, the sixth steel pipe pile, and the seventh steel pipe pile are provided with a plurality of stiffening plates below the opening of the top groove.

[0017] Further, the deck of the top-bearing Bailey bridge section is provided with guardrails on both sides.

[0018] To sum up, due to the adoption of the above technical scheme, the utility model has the beneficial effects that:

[0019] 1. In the utility model, the top-bearing and bottom-bearing Bailey structures are combined to adapt to different span and clearance height requirements, and under the condition of meeting the navigation requirement, the temporary bridge is efficiently and safely erected. The top-bearing Bailey bridge section of large longitudinal slope is used for the side span, which can bear large longitudinal load and reduce the height of the abutment, and the bottom-bearing Bailey bridge section is used for the navigation hole based on its structural characteristics, which is compact in structure and low in height, meeting the navigation clearance requirement. The overall height of the bridge body is relatively low, which not only guarantees the navigation clearance width and clearance requirement under the steel temporary bridge, but also reduces the abutment filling height and the length of the approach bridge on both sides of the temporary bridge, greatly simplifies the construction process, reduces the construction difficulty and shortens the construction period.

[0020] 2. In the utility model, the top recesses of the fifth steel pipe pile, the sixth steel pipe pile and the seventh steel pipe pile are treated with slope, and the stiffened plates are additionally arranged, so as to realize the slope adjustment and load transmission between the top-bearing Bailey beam group, the second double-spliced top pile cross beam and the steel pipe pile, and guarantee the structural stability of the top-bearing Bailey bridge section.

[0021] 3. In the utility model, the position of the steel pipe pile at the junction of the top-bearing Bailey bridge section and the bottom-bearing Bailey bridge section and the pipe pile connecting beam at the junction are specially designed, so that the pipe pile connecting beam at the junction is arranged in a triangular shape, the integrity and stability of the bridge body structure are increased, the smooth transition of the bridge deck from the large longitudinal slope deck to the non-slope deck is ensured, the sudden change of the slope which causes adverse effects on the vehicle driving is avoided, and the integrity and stress smoothness of the bridge body structure are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as a limitation to the scope, and for the ordinary skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings, wherein:

[0023] Figure 1 It is the front view of the utility model;

[0024] Figure 2 It is the top view of the utility model;

[0025] Figure 3 It is the schematic view of A-A direction of the utility model;

[0026] Figure 4 It is the schematic view of B-B direction of the utility model;

[0027] Figure 5 It is the structure schematic view of the seventh steel pipe pile top groove of the utility model;

[0028] Marked in the drawing: 1 - lower bearing type bailey bridge section, 2 - upper bearing type bailey bridge section, 3 - first main beam, 4 - deck slab, 5 - lower bearing type bailey beam group, 6 - first double-spliced top pile cross beam, 7 - second main beam, 8 - upper bearing type bailey beam group, 9 - second double-spliced top pile cross beam, 10 - first steel pipe pile, 11 - second steel pipe pile, 12 - third steel pipe pile, 13 - fourth steel pipe pile, 14 - fifth steel pipe pile, 15 - sixth steel pipe pile, 16 - seventh steel pipe pile, 17 - top groove, 18 - junction pipe pile connecting beam, 19 - pipe pile connecting beam, 20 - stiffened plate, 21 - guardrail. DETAILED DESCRIPTION

[0029] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] It should be noted that: the signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0032] In the description of the utility model, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, which is only for the convenience of the simplified description of the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0033] Furthermore, the terms "horizontal", "vertical", and the like, are used as terms of convenience and are not intended to limit the components to an absolute horizontal or vertical position, as these components can be slightly inclined. For example, "horizontal" merely means that the orientation is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but can be slightly inclined.

[0034] In the description of the utility model, still need explaining, unless have explicit stipulation and limitation, the term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can through the indirect connection of intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, can understand the concrete meaning of the above-mentioned term in the utility model with the specific situation.

[0035] In combination with the drawings Figure 1 In combination with the drawings Figure 5 ,

[0036] A top-supported and bottom-supported combined Bailey steel temporary bridge, comprising a bridge body, the bridge body comprising a bottom-supported Bailey bridge section 1 arranged above a waterway, top-supported Bailey bridge sections 2 connected to both ends of the bottom-supported Bailey bridge section 1, and two groups of top-supported Bailey bridge sections 2 respectively inclined downward in directions away from the bottom-supported Bailey bridge section 1.

[0037] The bottom-supported Bailey bridge section 1 comprises a first main beam 3, the top of the first main beam 3 is provided with a bridge deck slab 4, both sides of the bridge deck slab 4 are provided with bottom-supported Bailey beam groups 5, the bottom of both ends of each bottom-supported Bailey beam group 5 is provided with a first double-spliced top pile cross beam 6, and the bottom of the first double-spliced top pile cross beam 6 is provided with a first steel pipe pile assembly for supporting the first double-spliced top pile cross beam 6.

[0038] The top-supported Bailey bridge section 2 comprises a second main beam 7, the top of the second main beam 7 is provided with a bridge deck slab 4, the bottom of the second main beam 7 is provided with a top-supported Bailey beam group 8, the bottom of both ends of the top-supported Bailey beam group 8 is provided with a second double-spliced top pile cross beam 9, a plurality of second double-spliced top pile cross beams 9 are arranged at intervals along the length direction of the top-supported Bailey beam group 8 at the middle section of the top-supported Bailey beam group 8, and the bottom of each second double-spliced top pile cross beam 9 is provided with a second steel pipe pile assembly for supporting the second double-spliced top pile cross beam 9.

[0039] The utility model discloses a high efficiency, safe and efficient erection of temporary bridge is realized under the condition of meeting the navigation demand, wherein, the upper bearing type bailey bridge section of large longitudinal slope is used for side span, can bear greater longitudinal load, and can reduce the height of abutment, the lower bearing type bailey bridge section is used for navigation hole based on its structural characteristics, and the structure is compact, and the height is lower, and meets the navigation clearance requirement.

[0040] As a preferred embodiment, the first steel pipe pile assembly includes a first support group arranged at the left end of the bottom of the first double-pasted top pile cross beam 6 and a second support group arranged at the right end of the bottom of the first double-pasted top pile cross beam 6, the first support group and the second support group are symmetrically arranged relative to the center line of the first double-pasted top pile cross beam 6, the first support group includes a first steel pipe pile 10 and a second steel pipe pile 11, and the second support group includes a third steel pipe pile 12 and a fourth steel pipe pile 13.

[0041] The second steel pipe pile assembly includes a fifth steel pipe pile 14 arranged at the midpoint of the bottom of the second double-pasted top pile cross beam 9, a sixth steel pipe pile 15 arranged at the left end of the bottom of the second double-pasted top pile cross beam 9, and a seventh steel pipe pile 16 arranged at the right end of the bottom of the second double-pasted top pile cross beam 9, the sixth steel pipe pile 15 and the seventh steel pipe pile 16 are symmetrically arranged relative to the center line of the second double-pasted top pile cross beam 9.

[0042] The top of the first steel pipe pile 10, the second steel pipe pile 11, the third steel pipe pile 12, and the fourth steel pipe pile 13 is provided with a top groove 17, and the bottom of the first double-pasted top pile cross beam 6 is clamped in the top groove 17, the top of the fifth steel pipe pile 14, the sixth steel pipe pile 15, and the seventh steel pipe pile 16 is provided with a top groove 17, and the bottom of the second double-pasted top pile cross beam 9 is clamped in the top groove 17.

[0043] In the embodiment, the first steel pipe pile and the second steel pipe pile of the first steel pipe pile assembly are a group, the third steel pipe pile and the fourth steel pipe pile are a group, and the first double-pile top beam cooperates to support the through-type bailey bridge section, and the fifth steel pipe pile, the sixth steel pipe pile and the seventh steel pipe pile of the second steel pipe pile assembly cooperates with the second double-pile top beam to support the deck-type bailey bridge section. Specifically, the top of the first steel pipe pile, the second steel pipe pile, the third steel pipe pile, the fourth steel pipe pile, the fifth steel pipe pile, the sixth steel pipe pile and the seventh steel pipe pile is provided with a top groove for the first double-pile top beam and the second double-pile top beam to be correspondingly clamped. The first double-pile top beam and the second double-pile top beam are both composed of two I-shaped steel connections.

[0044] As a preferred embodiment, the first steel pipe pile 10 and the second steel pipe pile 11 are connected with the sixth steel pipe pile 15 of the adjacent second steel pipe pile assembly through the junction pipe pile connecting beam 18, and the third steel pipe pile 12 and the fourth steel pipe pile 13 are connected with the seventh steel pipe pile 16 of the adjacent second steel pipe pile assembly through the junction pipe pile connecting beam 18.

[0045] In the embodiment, based on the position of the first steel pipe pile, the second steel pipe pile and the adjacent sixth steel pipe pile at the junction, the position of the third steel pipe pile, the fourth steel pipe pile and the adjacent seventh steel pipe pile at the junction, the junction pipe pile connecting beam is arranged to form a triangular structure between the two groups of adjacent three steel pipes at the junction, thereby increasing the integrity and stability of the bridge structure, ensuring smooth transition from the large longitudinal slope bridge deck to the non-slope bridge deck, avoiding sudden slope changes that adversely affect vehicle driving, and ensuring the integrity and stress smoothness of the bridge structure.

[0046] As a preferred embodiment, the first steel pipe pile 10 and the second steel pipe pile 11 are connected with the sixth steel pipe pile 15 of the adjacent second steel pipe pile assembly through the junction pipe pile connecting beam 18, and the third steel pipe pile 12 and the fourth steel pipe pile 13 are connected with the seventh steel pipe pile 16 of the adjacent second steel pipe pile assembly through the junction pipe pile connecting beam 18.

[0047] In the embodiment, the pipe pile connecting beam is arranged between the adjacent steel pipe piles to further improve the mechanical stability of the first steel pipe pile assembly and the second steel pipe pile assembly, and better support the through-type bailey bridge section and the deck-type bailey bridge section.

[0048] As a preferred embodiment, the bottom surface of the top groove 17 of the fifth steel pipe pile 14, the sixth steel pipe pile 15 and the seventh steel pipe pile 16 is inclined, and the inclination angle of the bottom surface is consistent with the inclination angle of the deck-type bailey bridge section 2.

[0049] In the embodiment, the top recesses of the fifth steel pipe pile, the sixth steel pipe pile and the seventh steel pipe pile are treated as slopes, so as to realize slope adjustment and load transmission between the upper bearing type bailey beam group, the second double-spliced top pile cross beam and the steel pipe piles, and ensure the structural stability of the upper bearing type bailey bridge section.

[0050] As a preferred embodiment, the fifth steel pipe pile 14, the sixth steel pipe pile 15 and the seventh steel pipe pile 16 are provided with a plurality of stiffening plates 20 below the openings of the top recesses 17.

[0051] In the embodiment, the stiffening plates can improve the mechanical properties of the steel pipe piles, ensure the support reliability and ensure the structural stability of the upper bearing type bailey bridge section.

[0052] As a preferred embodiment, the bridge deck slab 4 of the upper bearing type bailey bridge section 2 is provided with guardrails 21 on both sides.

[0053] In the embodiment, the guardrails can improve the safety of vehicles when passing through the upper bearing type bailey bridge section.

[0054] As described above, the above is the embodiment of the utility model. The foregoing is each preferred embodiment of the utility model, and the preferred embodiments in each preferred embodiment can be arbitrarily stacked and combined if not obviously self-contradictory or with a certain preferred embodiment as a prerequisite. The embodiment and the specific parameters in the embodiment are only for clearly describing the verification process of the utility model, and are not used to limit the patent protection range of the utility model. The patent protection range of the utility model is still subject to the claims, and any equivalent structural changes made by referring to the content of the specification and the drawings of the utility model should also be included in the protection range of the utility model.

Claims

1. A combination deck and through Bailey steel temporary bridge, characterized in that, The bridge comprises a lower bearing type bailey bridge section (1) arranged above the waterway, an upper bearing type bailey bridge section (2) connected to both ends of the lower bearing type bailey bridge section (1), and two groups of upper bearing type bailey bridge sections (2) respectively inclined downward in directions away from the lower bearing type bailey bridge section (1); The lower bearing type bailey bridge section (1) comprises a first main beam (3), the top of the first main beam (3) is provided with a bridge deck slab (4), both sides of the bridge deck slab (4) are provided with a lower bearing type bailey beam group (5), and the bottom of both ends of the lower bearing type bailey beam group (5) is provided with a first double-spliced top pile cross beam (6), the bottom of the first double-spliced top pile cross beam (6) is provided with a first steel pipe pile assembly for supporting the first double-spliced top pile cross beam (6); The upper bearing type bailey bridge section (2) comprises a second main beam (7), the top of the second main beam (7) is provided with a bridge deck slab (4), the bottom of the second main beam (7) is provided with an upper bearing type bailey beam group (8), the bottom of both ends of the upper bearing type bailey beam group (8) is provided with a second double-spliced top pile cross beam (9), and the bottom of the middle section of the upper bearing type bailey beam group (8) is provided with a plurality of second double-spliced top pile cross beams (9) arranged at intervals along the length direction of the upper bearing type bailey beam group (8), and the bottom of the second double-spliced top pile cross beam (9) is provided with a second steel pipe pile assembly for supporting the second double-spliced top pile cross beam (9).

2. A top and bottom composite Bailey steel panel bridge as claimed in claim 1, characterized in that, The first steel pipe pile assembly comprises a first support group arranged at the bottom left end of the first double-spliced top pile cross beam (6) and a second support group arranged at the bottom right end of the first double-spliced top pile cross beam (6), the first support group and the second support group are symmetrically arranged relative to the center line of the first double-spliced top pile cross beam (6), the first support group comprises a first steel pipe pile (10) and a second steel pipe pile (11), and the second support group comprises a third steel pipe pile (12) and a fourth steel pipe pile (13); The second steel pipe pile assembly comprises a fifth steel pipe pile (14) arranged at the bottom midpoint of the second double-spliced top pile cross beam (9), a sixth steel pipe pile (15) arranged at the bottom left end of the second double-spliced top pile cross beam (9), and a seventh steel pipe pile (16) arranged at the bottom right end of the second double-spliced top pile cross beam (9), and the sixth steel pipe pile (15) and the seventh steel pipe pile (16) are symmetrically arranged relative to the center line of the second double-spliced top pile cross beam (9); The top of the first steel pipe pile (10), the second steel pipe pile (11), the third steel pipe pile (12), and the fourth steel pipe pile (13) is provided with a top groove (17), and the bottom of the first double-spliced top pile cross beam (6) is clamped in the top groove (17), the top of the fifth steel pipe pile (14), the sixth steel pipe pile (15), and the seventh steel pipe pile (16) is provided with a top groove (17), and the bottom of the second double-spliced top pile cross beam (9) is clamped in the top groove (17).

3. A top and bottom composite Bailey steel panel bridge as claimed in claim 2, characterized in that, The first steel pipe pile (10) and the second steel pipe pile (11) are connected with the sixth steel pipe pile (15) of the adjacent second steel pipe pile assembly through a boundary pipe pile connecting beam (18), and the third steel pipe pile (12) and the fourth steel pipe pile (13) are connected with the seventh steel pipe pile (16) of the adjacent second steel pipe pile assembly through the boundary pipe pile connecting beam (18).

4. A top and bottom combination steel Bailey pontoon bridge as claimed in claim 3, characterized in that, The first steel pipe pile (10) and the second steel pipe pile (11) are connected with pipe pile connecting beams (19), the third steel pipe pile (12) and the fourth steel pipe pile (13) are connected with pipe pile connecting beams (19), the fifth steel pipe pile (14) and the sixth steel pipe pile (15) are connected with pipe pile connecting beams (19), and the fifth steel pipe pile (14) and the seventh steel pipe pile (16) are connected with pipe pile connecting beams (19).

5. The top and bottom combined Bailey steel temporary bridge according to claim 2, characterized in that, The bottom surface of the top groove (17) of the fifth steel pipe pile (14), the sixth steel pipe pile (15) and the seventh steel pipe pile (16) is inclined, and the inclination angle of the bottom surface is consistent with the inclination angle of the upper bearing type Bailey bridge section (2).

6. A top and bottom combination steel Bailey pontoon bridge as claimed in claim 5, characterized in that, The fifth steel pipe pile (14), the sixth steel pipe pile (15) and the seventh steel pipe pile (16) are provided with a plurality of stiffening plates (20) below the opening of the top groove (17).

7. The top and bottom combined Bailey steel temporary bridge according to claim 1, characterized in that, The bridge deck slab (4) of the upper bearing type Bailey bridge section (2) is provided with guardrails (21) on both sides.

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