Aqueduct structure of over-crossing railway

Abstract

The utility model discloses an aqueduct structure of an over-crossing railway. Comprising an aqueduct pier body, an aqueduct rotating body section and two aqueduct platform bodies arranged on the two sides of the aqueduct pier body respectively, the aqueduct rotating body section is communicated with the aqueduct platform bodies on the two sides through aqueduct closure sections, the aqueduct closure sections deviate from an existing railway, the aqueduct rotating body section is supported on the aqueduct pier body, and the aqueduct platform bodies are arranged on the aqueduct pier body. The aqueduct pier body is provided with a swivel structure used for driving the aqueduct swivel section to swivel from a construction position parallel to the existing railway to a closure position crossing the existing railway. According to the utility model, the aqueduct swivel section overcrossing the railway is arranged on the aqueduct pier body, and the aqueduct pier body is provided with the swivel structure for driving the aqueduct swivel section to rotate, so that in the aqueduct construction process, the existing railway can be avoided, and the risk of beam falling of a hoisting frame caused by the crossing condition of the newly-built aqueduct and the existing railway is avoided; and the construction of the aqueduct does not influence the operation of the railway, so that the normal operation and the safety of the existing railway can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of aqueducts, in particular to an aqueduct structure for crossing a railway. Background Art

[0002] When constructing an aqueduct, a common method is to construct the foundation and substructure first, and then cast the aqueduct body on the support or prefabricate the aqueduct body in the factory and then hoist it.

[0003] However, when the aqueduct crosses a busy high-speed railway or railway trunk line, the cast-in-place support scheme cannot be implemented because the railway transportation must be kept open. There is a risk of beam falling during the lifting process, which will interrupt the railway transportation for a long time and affect the existing railway transportation. Utility Model Content

[0004] In order to solve the above problems, the utility model provides an aqueduct structure crossing a railway, comprising an aqueduct pier body, an aqueduct rotating section and two aqueduct platforms arranged on both sides of the aqueduct pier body, the aqueduct rotating section is connected with the aqueduct platforms on both sides through an aqueduct closing section respectively, the aqueduct closing section is arranged deviating from the existing railway, the aqueduct rotating section is supported on the aqueduct pier body, and the aqueduct pier body is provided with a rotating structure for driving the aqueduct rotating section to rotate from a construction position parallel to the existing railway to a closing position crossing the existing railway.

[0005] Furthermore, a support platform is provided on one side of the aqueduct body facing the aqueduct closing section, the aqueduct closing section is supported on the support platform, and the drainage channel of the aqueduct closing section is connected to the drainage channel of the aqueduct body.

[0006] Furthermore, a cushion layer is provided on the support platform, and the aqueduct closing section is provided on the cushion layer.

[0007] Furthermore, a waterproof layer is provided at the connection between the aqueduct closing section and the aqueduct rotating section and at the connection between the aqueduct closing section and the aqueduct platform.

[0008] Furthermore, a deformation joint is provided at the connection between the closed section of the aqueduct and the aqueduct platform, and the deformation joint is sealed by a deformable water-stopping structure.

[0009] Furthermore, the aqueduct platform is connected with a gutter, and the drainage channel of the gutter is connected with the aqueduct platform.

[0010] Furthermore, the rotating structure includes an upper turntable, a lower turntable and a ball joint unit arranged between the upper turntable and the lower turntable, the lower turntable is arranged on the pedestal, the aqueduct pier is arranged on the upper turntable, and the lower turntable is fixed to the upper turntable.

[0011] Furthermore, connecting steel bars for sealing hinges are pre-embedded in the upper turntable and the lower turntable, respectively, and the connecting steel bars of the upper turntable and the connecting steel bars of the lower turntable are arranged correspondingly.

[0012] Furthermore, the aqueduct rotating section, the aqueduct closing section and the aqueduct platform are all provided with U-shaped water passages.

[0013] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0014] The utility model provides an aqueduct structure for crossing the railway, in which a rotating section of the aqueduct crossing the railway is arranged on a pier of the aqueduct, and a rotating structure for driving the rotating section of the aqueduct to rotate is arranged on the pier of the aqueduct. During the construction of the aqueduct, the existing railway can be avoided, thereby eliminating the risk of beams falling off of the hoisting frame when the newly built aqueduct crosses the existing railway. Moreover, the aqueduct construction will not affect the operation of the railway, thereby ensuring the normal operation and safety of the existing railway. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic diagram of the structure of the aqueduct structure for crossing a railway provided by the utility model;

[0017] Figure 2 A top view of the aqueduct structure for crossing a railway provided by the utility model;

[0018] Figure 3 A schematic diagram of the structure of the rotating body in the aqueduct structure over the railway provided by the utility model;

[0019] Figure 4 It is a schematic diagram of the aqueduct rotating section in the aqueduct structure over the railway provided by the utility model before rotation.

[0020] 1-existing railway; 2-aqueduct rotating section; 3-aqueduct closing section; 4-aqueduct pier; 5-aqueduct platform; 51-support platform; 6-existing slope; 7-gutter; 8-upper turntable; 9-lower turntable; 10-upper ball joint; 11-lower ball joint; 12-locating pin; 13-connecting steel bars. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. In the drawings, the size and relative size of some parts may be enlarged for clarity.

[0022] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connection" and "connected" should be interpreted in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "center", "horizontal", "vertical", "top", "bottom", "inside" and "outside" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In addition, in the description of the present invention, the terms "first" and "second" are only used to distinguish in the description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0025] As the instruction manual Figure 1-2As shown, the utility model provides an aqueduct structure that crosses over a railway, including an aqueduct pier body 4, an aqueduct rotating section 2, and two aqueduct platforms 5 that are arranged on both sides of the aqueduct pier body 4. The aqueduct rotating section 2 is connected to the aqueduct platforms 5 on both sides through the aqueduct closing section 3 respectively. The aqueduct closing section 2 is arranged offset from the existing railway 1. The aqueduct rotating section 2 is supported on the aqueduct pier body 4. The aqueduct pier body 4 is provided with a rotating structure for driving the aqueduct rotating section 2 to rotate from a construction position parallel to the existing railway 1 to a closing position that crosses over the existing railway 1. In this embodiment, for the construction of the aqueduct that crosses over the railway, in order to avoid affecting the existing railway 1, the aqueduct rotating section 2 is arranged on the aqueduct pier body 4. The aqueduct pier body 4 is provided with a rotating structure, which can drive the aqueduct rotating section 2 to rotate. The aqueduct pier body 4 is arranged on one side of the existing railway 1. When in the construction position, as shown in the attached manual Figure 4 As shown, the longitudinal direction of the aqueduct rotating section 2 is parallel to the existing railway 1, and the construction can be carried out avoiding the existing railway 1. The aqueduct construction is carried out without affecting the normal operation of the existing railway 1. After the construction of the aqueduct rotating section 2 is completed at the construction position, the rotating structure drives the aqueduct rotating section 2 to rotate to the closing position, that is, the aqueduct rotating section 2 is rotated to the designed position, the aqueduct rotating section 2 crosses the existing railway 1, and the aqueduct rotating section 2 is connected with the aqueduct platform 5 through the aqueduct closing section 3.

[0026] Preferably, the aqueduct rotating section 2, the aqueduct closing section 3 and the aqueduct platform 5 are connected to each other for water flow and water supply circulation. The cross-sections of the aqueduct rotating section 2, the aqueduct closing section 3 and the aqueduct platform 5 are all U-shaped, with water flow channels arranged therein. The sizes of the water flow channels of the aqueduct rotating section 2, the aqueduct closing section 3 and the aqueduct platform 5 can be the same or different, and can be set according to actual needs to meet drainage requirements.

[0027] Preferably, the aqueduct platform 5 is arranged on the existing slope 6. Of course, the aqueduct platform 5 can also be arranged on the bridge piers.

[0028] In an optimized implementation mode, a support platform 51 is provided on one side of the aqueduct body 5 facing the aqueduct closing section 3, and the aqueduct closing section 3 is supported on the support platform 51; a protruding support platform 51 is provided on the side wall of the aqueduct body 5, and an end of the aqueduct closing section 3 is supported on the support platform 51, so that the drainage channel of the aqueduct closing section 3 is connected with the drainage channel of the aqueduct body 5.

[0029] Furthermore, in order to adapt to the installation height of the aqueduct closing section 3, a cushion layer is provided on the support platform 51, and the cushion layer height can be set according to the installation height of the aqueduct closing section 3 to meet the installation requirements of the aqueduct closing section 3.

[0030] In an optimized implementation mode, a waterproof layer is provided at the joint between the aqueduct closing section 3 and the aqueduct rotating section 2, and a waterproof layer is provided at the joint between the aqueduct closing section 3 and the aqueduct platform 5. The waterproof layer can be a waterproof coating applied on the joint, or a waterproof cloth is bonded to avoid leakage at the joint. In order to avoid leakage of the aqueduct structure during drainage, the inner side of the water passage can be waterproofed.

[0031] An optimized implementation method is that the aqueduct closing section 3 is flexibly connected to the aqueduct platform 5, and a deformation joint is provided at the connection between the aqueduct closing section 3 and the aqueduct platform 5. The deformation joint is sealed by a deformable water-stop structure. Specifically, a rubber water-stop strip is embedded in the deformation joint. Preferably, the deformation joint is also filled with asphalt-impregnated hemp rope or polystyrene foam for further waterproofing.

[0032] In an optimized implementation mode, the aqueduct platform 5 is connected to a gutter 7, and the drainage channel of the gutter 7 is connected to the aqueduct platform 5, as shown in the attached manual. Figure 2 As shown, the gutter on the left side of the aqueduct pier 4 is the first gutter, and the gutter on the right side of the aqueduct pier 4 is the second gutter. The water in the first gutter passes through the aqueduct closing section 3 and the aqueduct rotating section 2 and is discharged to the next structure by the second gutter.

[0033] In an optimized implementation mode, the gutter 7 includes a plurality of gutter units, which can be used for multi-directional drainage to improve drainage efficiency.

[0034] In this embodiment, the gutter 7 is perpendicular to the closed section 3 of the aqueduct. Of course, the location and orientation of the gutter 7 can be adjusted according to actual needs.

[0035] Optimize the implementation method, as shown in the attached manual Figure 3 As shown, the rotating structure includes an upper turntable 8, a lower turntable 9 and a ball joint unit arranged between the upper turntable 8 and the lower turntable 9, the lower turntable 9 is arranged on the pedestal, the aqueduct pier body 4 is arranged on the upper turntable 8, and the lower turntable 9 is fixed to the upper turntable 8.

[0036] In some embodiments, the rotating structure is arranged on the top of the aqueduct pier 4 , that is, the lower turntable 9 is arranged on the aqueduct pier 4 , and the aqueduct rotating section 2 is supported on the upper turntable 8 .

[0037] An optimized implementation method, the ball joint unit includes an upper ball joint 10, a lower ball joint 11 and a positioning pin 12 for limiting the upper ball joint 10 and the lower ball joint 11. The upper ball joint 10 is arranged on the upper turntable 8, and the lower ball joint 11 is arranged on the lower turntable 9. The upper and lower ball joints are arranged correspondingly, and matching ball joint surfaces are provided between the upper and lower ball joints. One end of the positioning pin 12 is inserted into the upper ball joint 10, and the other end is inserted into the lower ball joint 11. During the rotation of the aqueduct rotating section 2, it rotates with the positioning pin 12 as the center of the circle.

[0038] According to an optimized implementation method, connecting steel bars 13 for sealing hinges are respectively embedded in the upper turntable 8 and the lower turntable 9. During the construction of the aqueduct rotating section 2 and after the rotation, the connecting steel bars 13 of the upper turntable 8 are welded to the connecting steel bars 13 of the lower turntable 9 to perform ball joint sealing.

[0039] The construction process of the aqueduct structure of this application is:

[0040] 1. Construction of the cap, installation of the rotating structure, and construction of the aqueduct pier 4. During the construction process, measures such as sand boxes and embedded steel can be taken to temporarily consolidate the aqueduct pier 4 and the cap. During the construction of the cap and the aqueduct pier 4, the connecting steel bars 13 between the upper turntable 8 and the lower turntable 9 can be welded for temporary sealing;

[0041] 2. Construction of aqueduct rotation section 2;

[0042] 3. Apply counterweight to the aqueduct rotating section 2 and remove the temporary seal between the upper rotating disc 8 and the lower rotating disc 9;

[0043] 4. The upper turntable 8 is driven to rotate by the driving mechanism to complete the rotation of the aqueduct rotating section 2, and the aqueduct rotating section 2 is rotated to the closed position, and the connecting steel bars 13 between the upper turntable 8 and the lower turntable 9 are welded to perform resealing;

[0044] 5. Remove the swivel counterweight and auxiliary support;

[0045] 6. Connect the aqueduct rotating section 2 to the aqueduct platform 5 through the aqueduct closing section 3 to complete the side span closure.

[0046] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0047] Those skilled in the art will appreciate that the present invention can be implemented in many other specific forms without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to this embodiment, and those skilled in the art can make changes and modifications within the spirit and scope of the present invention as defined by the attached claims.

Claims

1. An aqueduct structure for crossing a railway, characterized in that: The aqueduct comprises an aqueduct pier body, an aqueduct rotating section and two aqueduct platforms arranged on both sides of the aqueduct pier body. The aqueduct rotating section is connected with the aqueduct platforms on both sides through an aqueduct closing section respectively. The aqueduct closing section is arranged away from the existing railway. The aqueduct rotating section is supported on the aqueduct pier body. The aqueduct pier body is provided with a rotating structure for driving the aqueduct rotating section to rotate from a construction position parallel to the existing railway to a closing position crossing the existing railway.

2. The aqueduct structure for crossing a railway according to claim 1, characterized in that: A support platform is provided on one side of the aqueduct platform body facing the aqueduct closing section, the aqueduct closing section is supported on the support platform, and the drainage channel of the aqueduct closing section is communicated with the drainage channel of the aqueduct platform body.

3. The aqueduct structure for crossing a railway according to claim 2, characterized in that: The support platform is provided with a cushion layer, and the aqueduct closing section is arranged on the cushion layer.

4. The aqueduct structure for crossing a railway according to claim 1, characterized in that: A waterproof layer is provided at the connection between the aqueduct closing section and the aqueduct rotating section and at the connection between the aqueduct closing section and the aqueduct platform.

5. The aqueduct structure for crossing a railway according to claim 1, characterized in that: A deformation joint is provided at the connection between the aqueduct closing section and the aqueduct platform, and the deformation joint is sealed by a deformable water-stopping structure.

6. The aqueduct structure for crossing a railway according to claim 1, characterized in that: The aqueduct platform is connected with a gutter, and the drainage channel of the gutter is communicated with the aqueduct platform.

7. The aqueduct structure for crossing a railway according to claim 1, characterized in that: The rotating structure includes an upper rotating disk, a lower rotating disk and a ball joint unit arranged between the upper rotating disk and the lower rotating disk. The lower rotating disk is arranged on a pedestal, the aqueduct pier is arranged on the upper rotating disk, and the lower rotating disk is fixed to the upper rotating disk.

8. The aqueduct structure for crossing a railway according to claim 7, characterized in that: Connecting steel bars for sealing hinges are respectively embedded in the upper turntable and the lower turntable, and the connecting steel bars of the upper turntable and the connecting steel bars of the lower turntable are arranged correspondingly.

9. The aqueduct structure for crossing a railway according to claim 1, characterized in that: The aqueduct rotating section, the aqueduct closing section and the aqueduct platform are all provided with U-shaped water passages.

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