Prefabricated part for railway construction

Abstract

The utility model discloses a prefabricated part for railway construction, which belongs to the technical field of railway construction and comprises a concrete sleeper, and an outer reinforcing sleeve is fixedly sleeved on the outer side of the concrete sleeper. According to the utility model, before the concrete sleeper is poured, the outer reinforcing sleeve, the handle, the reinforcing rib, the rotating foundation pillar, the rotating ring, the pulling main rod and the pulling auxiliary rod are directly welded and formed, and then the concrete sleeper is poured and formed in the inner cavity of the outer reinforcing sleeve to form a prefabricated part; the situation that after pouring is completed, an outer side reinforcing frame structure is installed on the outer side is avoided, and convenience and stability are poor; besides, when the concrete sleeper is installed, the pulling main rod and the pulling auxiliary rod stretch into stones of a ballast bed, the pulling main rod and the pulling auxiliary rod pull the outer reinforcing sleeve and the concrete sleeper through the pressure of the stones on the pulling main rod and the pulling auxiliary rod, the stability of the concrete sleeper installed on the ballast bed is guaranteed, and practicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of railway construction, and more specifically to a prefabricated component for railway construction. Background Art

[0002] Sleepers are a type of railway accessory. They not only support and maintain the position of the rails, but also transfer the huge pressure from the rails to the roadbed. They must have a certain degree of flexibility and elasticity. Reinforced concrete sleepers have better stability than wooden sleepers.

[0003] After searching, the utility model patent with announcement number CN217174192U discloses a prefabricated component for railway construction, including a concrete sleeper, a positioning groove, a positioning protrusion, an outer reinforcement frame structure, a hollow fixing ring, a lifting and unloading fine-tuning frame structure and a bottom protection frame structure, wherein the positioning grooves are respectively opened on the upper left and right sides of the concrete sleeper; the positioning protrusions are respectively integrated on the lower left and right sides of the concrete sleeper; the outer reinforcement frame structure is installed on the outer side of the concrete sleeper; the setting of the side reinforcement hoop and the end reinforcement plate in the patent is conducive to sleeve the side reinforcement hoop on the outer side of the concrete sleeper, reinforce the outer side of the concrete sleeper, ensure that the concrete sleeper will not break and displace when cracks appear, and the end reinforcement plate can improve the compressive strength.

[0004] However, the above patents still have the following shortcomings: the outer reinforcement frame structure is installed on the outer side of the concrete sleeper after the concrete sleeper is poured, which is cumbersome to operate during production and processing; and the prefabricated concrete sleeper is not easy to connect with the roadbed, which affects the installation and stability of the concrete sleeper. Therefore, we propose a prefabricated component for railway construction. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a prefabricated component for railway construction.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A prefabricated component for railway construction comprises a concrete sleeper, an outer side of the concrete sleeper is fixedly sleeved with an outer reinforcement sleeve, an inner side of the outer reinforcement sleeve is provided with a connecting frame, an end of the connecting frame is fixedly sleeved into the interior of the concrete sleeper, two sides of the outer reinforcement sleeve are respectively fixedly connected with a plurality of rotating base columns, a plurality of rotating base columns are respectively connected with swivels for damping rotation, a side of the swivel is fixedly connected with a pulling main rod, and a side of the pulling main rod is fixedly connected with a plurality of pulling auxiliary rods.

[0008] As a preferred solution of the utility model, two positioning grooves are arranged on the top of the concrete sleeper, and two positioning protrusions are arranged on the bottom of the concrete sleeper, and the size of the positioning protrusions is matched with the size of the inner cavity of the positioning grooves.

[0009] As a preferred solution of the utility model, a plurality of reinforcing ribs are fixedly connected to the inner side of the connecting frame, and the plurality of reinforcing ribs are fixedly sleeved inside the concrete sleeper.

[0010] As a preferred solution of the utility model, a plurality of rail mounting holes are provided at the bottom of the inner cavity of the positioning groove.

[0011] As a preferred solution of the utility model, handles are fixedly connected to both ends of the outer reinforcement sleeve.

[0012] As a preferred solution of the utility model, the outer reinforcing sleeve, the rotating base column, the rotating ring, the main pulling rod, the auxiliary pulling rod and the handle are all provided with anti-rust paint.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] In the utility model, before pouring the concrete sleeper, the outer reinforcement sleeve, the handle, the reinforcement ribs, the rotating base column, the swivel, the main pulling rod and the auxiliary pulling rod are directly welded to form, and then the concrete sleeper is cast in the inner cavity of the outer reinforcement sleeve to form a prefabricated component, thereby avoiding the inconvenience and stability of the outer reinforcement frame structure being installed on the outer side after the pouring is completed; in addition, when installing the concrete sleeper, the main pulling rod and the auxiliary pulling rod are extended into the stones of the roadbed, and the pressure of the stones on the main pulling rod and the auxiliary pulling rod is used to pull the outer reinforcement sleeve and the concrete sleeper, thereby ensuring the stability of the concrete sleeper installed on the roadbed, and having good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the concrete sleeper of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the outer reinforcement sleeve of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the swivel of the utility model.

[0019] Description of the numbers in the figure:

[0020] 1. Concrete sleeper; 2. External reinforcement sleeve; 3. Connecting frame; 4. Rotating base column; 5. Swivel; 6. Pull main rod; 7. Pull auxiliary rod; 8. Reinforcement rib; 9. Positioning groove; 10. Positioning protrusion; 11. Rail mounting hole; 12. Handle. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Example:

[0025] See also Figure 1-4 A prefabricated component for railway construction comprises a concrete sleeper 1, an outer side of the concrete sleeper 1 is fixedly sleeved with an outer reinforcement sleeve 2, an inner side of the outer reinforcement sleeve 2 is provided with a connecting frame 3, an end of the connecting frame 3 is fixedly sleeved into the interior of the concrete sleeper 1, a plurality of rotating base columns 4 are respectively fixedly connected to both sides of the outer reinforcement sleeve 2, a plurality of rotating base columns 4 are respectively connected with swivels 5 for damping rotation, a side of the swivel 5 is fixedly connected with a pulling main rod 6, and a plurality of pulling auxiliary rods 7 are fixedly connected to the side of the pulling main rod 6.

[0026] For details, please refer to Figure 2Two positioning grooves 9 are arranged on the top of the concrete sleeper 1, and two positioning protrusions 10 are arranged on the bottom of the concrete sleeper 1. The size of the positioning protrusion 10 is matched with the size of the inner cavity of the positioning groove 9.

[0027] In this embodiment, when multiple prefabricated parts are stacked, the positioning protrusion 10 on the previous concrete sleeper 1 is inserted into the positioning groove 9 on the next concrete sleeper 1, and at the same time, the main rod 6 on the side of the previous outer reinforcement sleeve 2 is pulled to move to the side of the next outer reinforcement sleeve 2 to ensure the stability of the stacking of multiple prefabricated components.

[0028] For details, please refer to Figure 2 and Figure 3 A plurality of reinforcing ribs 8 are fixedly connected to the inner side of the connecting frame 3 , and the plurality of reinforcing ribs 8 are fixedly sleeved inside the concrete sleeper 1 .

[0029] In this embodiment, the cooperation between the reinforcing ribs 8 and the concrete sleeper 1 is utilized to ensure the connection strength between the concrete sleeper 1 and the outer reinforcing sleeve 2, while ensuring the casting strength of the concrete sleeper 1.

[0030] For details, please refer to Figure 1 A plurality of rail mounting holes 11 are provided at the bottom of the inner cavity of the positioning groove 9 .

[0031] In this embodiment, the rails are installed on the concrete sleepers 1 through the cooperation of the rail installation holes 11 and screws.

[0032] For details, please refer to Figure 3 The two ends of the outer reinforcing sleeve 2 are respectively fixedly connected with handles 12.

[0033] In this embodiment, the outer reinforcement sleeve 2 and the concrete sleeper 1 are carried by using the handle 12 .

[0034] For details, please refer to Figure 1 and Figure 4 The outer reinforcing sleeve 2, the rotating base column 4, the rotating ring 5, the pulling main rod 6, the pulling auxiliary rod 7 and the handle 12 are all provided with anti-rust paint.

[0035] In this embodiment, it is ensured that the outer reinforcing sleeve 2, the rotating base column 4, the rotating ring 5, the pulling main rod 6, the pulling auxiliary rod 7 and the handle 12 will not rust when placed in the external environment, thereby ensuring their service life.

[0036] Working principle: During manufacturing, firstly, the outer reinforcing sleeve 2, the connecting insert frame 3, the reinforcing ribs 8 and the handle 12 are integrally cast, and then the assembly of the swivel 5, the pulling main rod 6 and the pulling auxiliary rod 7 is sleeved on the outer side of the rotating base column 4, and the end of the rotating base column 4 is welded to the side of the outer reinforcing sleeve 2, and then the concrete sleeper 1 is poured on the inner side of the outer reinforcing sleeve 2, so that the formed concrete sleeper 1 and the outer reinforcing sleeve 2 are connected together, and finally the formed concrete sleepers 1 are stacked up, so that the positioning protrusion 10 at the bottom of the previous concrete sleeper 1 is inserted into the positioning groove 9 on the next concrete sleeper 1, so that the prefabricated part is transported to the railway construction site;

[0037] When in use, first hold the handle 12 at the end of the outer reinforcement sleeve 2 to carry the prefabricated component to the ballast bed, place the prefabricated component in a suitable position, and then pull the pulling main rod 6 to rotate it to make it perpendicular to the concrete sleeper 1, so that the pulling main rod 6 and the pulling auxiliary rod 7 extend into the interior of the ballast bed stone, and the pulling main rod 6 and the pulling auxiliary rod 7 are pulled by the pressure of the stone, so that the pulling auxiliary rod 7, the pulling main rod 6, the swivel 5 and the rotating base column 4 are used to increase the stability of the prefabricated component.

[0038] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A prefabricated component for railway construction, characterized in that: The invention comprises a concrete rail sleeper (1), wherein an outer reinforcement sleeve (2) is fixedly sleeved on the outer side of the concrete rail sleeper (1), a connecting frame (3) is arranged on the inner side of the outer reinforcement sleeve (2), the end of the connecting frame (3) is fixedly sleeved inside the concrete rail sleeper (1), a plurality of rotating base columns (4) are respectively fixedly connected on both sides of the outer reinforcement sleeve (2), a plurality of rotating base columns (4) are respectively connected with rotating rings (5) for damping rotation, a pulling main rod (6) is fixedly connected on the side of the pulling main rod (6), and a plurality of pulling auxiliary rods (7) are fixedly connected on the side of the pulling main rod (6).

2. A prefabricated component for railway construction according to claim 1, characterized in that: The top of the concrete sleeper (1) is provided with two positioning grooves (9), and the bottom of the concrete sleeper (1) is provided with two positioning protrusions (10), and the size of the outer shape of the positioning protrusions (10) is adapted to the size of the inner cavity of the positioning grooves (9).

3. The prefabricated component for railway construction according to claim 1, characterized in that: A plurality of reinforcing ribs (8) are fixedly connected to the inner side of the connecting insert frame (3), and the plurality of reinforcing ribs (8) are fixedly sleeved inside the concrete sleeper (1).

4. The prefabricated component for railway construction according to claim 2, characterized in that: A plurality of rail mounting holes (11) are arranged at the bottom of the inner cavity of the positioning groove (9).

5. The prefabricated component for railway construction according to claim 1, characterized in that: Both ends of the outer reinforcement sleeve (2) are respectively fixedly connected with handles (12).

6. The prefabricated component for railway construction according to claim 5, characterized in that: The outer reinforcing sleeve (2), the rotating base column (4), the rotating ring (5), the pulling main rod (6), the pulling auxiliary rod (7) and the handle (12) are all provided with anti-rust paint.

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