Concrete platform plate and level crossing

Abstract

The utility model relates to a concrete platform plate and a level crossing, and the concrete platform plate comprises a reinforced concrete prefabricated plate, angle steel, hook nails, a hoisting sleeve, a guide steel plate and anchoring steel bars, marking points are arranged at the two ends of the longitudinal center line of the top face of the reinforced concrete prefabricated slab, and a lifting sleeve is embedded in the side surface. The periphery of the reinforced concrete precast slab is sealed by angle steel, and the angle steel is welded to form a frame, pre-buried in the surface of the reinforced concrete precast slab, flush with the surface of the reinforced concrete precast slab and welded and fixed to the reinforced concrete precast slab through hook nails. Anchoring steel bars are pre-buried in the reinforced concrete prefabricated slab, guide steel plates are pre-buried on the side surface, and the guide steel plates are flush with the surface of the reinforced concrete prefabricated slab and fixed to the anchoring steel bars in a welded mode. The concrete platform plate designed by the utility model can be suitable for crossings with various lengths and widths, adopts a prefabricated structure, is manufactured into a high-strength platform plate in a factory, solves the problem that the traffic is seriously influenced due to long construction period of the existing cast-in-place, and realizes the purpose that the pavement and traffic are realized during the construction.

Description

Technical Field

[0001] The utility model relates to the technical field of railway track protection, in particular to a concrete platform slab and level crossing. Background Art

[0002] A level crossing is a point where a railway and a road intersect on the same plane. When a railway and a road intersect, and traffic volume is low or there's no way to create a grade separation, a level crossing (or simply a crossing) should be constructed by properly merging the roads. When a car passes through a level crossing, it creates a significant impact, causing the vehicle to bounce and potentially spilling its cargo. The impact of the vehicles and the crushing of spilled cargo make the highway near the crossing particularly susceptible to damage. Highways connected to level crossings often utilize in-situ cast-in-place C30 concrete, which not only takes a long time to construct but also makes the road surface susceptible to damage, especially at the intersection of the road and the crossing. Utility Model Content

[0003] Based on this, the purpose of the present invention is to provide a concrete platform slab that can be applied to road crossings of various lengths and widths, and adopts a prefabricated structure to achieve construction, laying and opening to traffic at the same time.

[0004] First aspect:

[0005] A concrete platform slab comprises a reinforced concrete precast slab, a lifting sleeve and angle steel, wherein the angle steel is embedded in the surface of the reinforced concrete precast slab and seals the reinforced concrete precast slab on all sides; the lifting sleeve is embedded in the side of the reinforced concrete precast slab.

[0006] The utility model designs a concrete platform slab which can be applied to various lengths and widths of road crossings. It adopts a prefabricated structure to solve the problem that the long construction period of on-site pouring seriously affects traffic, and realizes construction and paving and opening to traffic at the same time. The high-strength platform slab is manufactured in the factory, and the quality is more controllable than that prepared on-site outdoors. In particular, the use of angle steel for edge sealing greatly improves the strength of the connection between the road and the concrete platform slab and extends its service life. At the same time, a lifting sleeve is pre-buried to facilitate the lifting of the concrete platform slab during transportation, laying and maintenance.

[0007] As a preferred solution, marking points are provided at both ends of the longitudinal center line of the top surface of the reinforced concrete precast slab, which facilitate position correction between the precast slabs during construction and reduce construction time.

[0008] As a preferred solution, the lifting sleeves are located on two opposite sides of the reinforced concrete precast panel. Being arranged on two opposite sides can better maintain balance during lifting and facilitate position adjustment.

[0009] As a preferred solution, the lifting sleeves are also pre-buried in the top surface of the reinforced concrete precast slab. Multiple sets of lifting sleeves can better maintain balance and facilitate position adjustment.

[0010] As a preferred embodiment, the concrete platform slab further includes hooks and nails, through which the angle steel is secured to the reinforced concrete precast slab. The angle steel around the platform slab is securely connected to the reinforced concrete precast slab via the hooks and nails, thus protecting the platform slab from impacts from heavy and extra-heavy vehicles on the concrete edges, and thus increasing its service life.

[0011] As a preferred solution, the concrete platform slab further includes a guide steel plate, which is pre-embedded in the side surface of the reinforced concrete precast slab. The guide steel plate can improve the accuracy of connecting adjacent concrete platform slabs.

[0012] As a preferred solution, the concrete platform slab further includes anchoring steel bars embedded in the reinforced concrete precast slab, and the guide steel plate is fixedly connected to the anchoring steel bars. The anchoring steel bars can improve the stability of the connection between the guide steel plate and the reinforced concrete precast slab.

[0013] As a preferred embodiment, the concrete platform slab also includes a gate track, a drainage ditch, and a boundary stake. These gate tracks, drainage ditch, and boundary stakes are located on the surface of the reinforced concrete precast slab. A gate can be installed on the gate track to block cars and pedestrians from the road when a train passes; the drainage ditch can quickly drain accumulated water; and the boundary stakes can alert cars and pedestrians that they have entered or left the level crossing.

[0014] Second aspect:

[0015] A level crossing comprises rails, a crossing plate and a plurality of concrete platform plates as described in the first aspect, wherein the rails are laid on the crossing plate, and the plurality of concrete platform plates are located outside the crossing plate and are interconnected and extend in directions parallel and perpendicular to the rails.

[0016] As a preferred embodiment, the level crossing further comprises a connecting plate, wherein the concrete platform slabs are fixedly connected to each other on their outer sides by the connecting plate, and the concrete platform slabs are fixedly connected to the crossing slab on their outer sides by the connecting plate. The connecting plate improves the stability of the connection between the concrete platform slabs and between the concrete platform slabs and the crossing slab. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a top view of a concrete platform slab;

[0018] Figure 2 It is a right side view of a concrete platform slab;

[0019] Figure 3 yes Figure 1 sectional view of

[0020] Figure 4 It is a structural diagram of angle steel and hook nails of concrete platform plate;

[0021] Figure 5 It is a structural diagram of a concrete platform slab guide steel plate and anchor steel bars;

[0022] Figure 6 It is a top view of a concrete platform slab containing a gate track;

[0023] Figure 7 yes Figure 6 sectional view of ;

[0024] Figure 8 It is a top view of a level crossing;

[0025] Figure 9 It is a cross-section of a level crossing;

[0026] Among them, 1-concrete platform plate, 2-marking point, 3-angle steel, 4-hook nail, 5-lifting sleeve, 51-gate track, 6-guide steel plate, 7-anchor steel bar, 8-connecting plate, 91-crossing plate, 92-railway. DETAILED DESCRIPTION

[0027] like Figure 1-5 As shown, a concrete platform slab 1 includes a reinforced concrete prefabricated slab, marking points 2, angle steels 3, hooks 4, lifting sleeves 5, guide steel plates 6, and anchor steel bars 7.

[0028] The reinforced concrete precast slab is made of C50 concrete material with a size of 3900×3000×300mm. Marking points 2 are provided at both ends of the longitudinal center line of the top surface. Two groups of lifting sleeves 5 are embedded in each of the two longitudinal sides, with each group consisting of 3 lifting sleeves 5. Adjacent lifting sleeves 5 in the same group are spaced 120mm apart, and the end faces of the lifting sleeves 5 are flush with the surface of the reinforced concrete precast slab.

[0029] The upper surface of the reinforced concrete prefabricated panel is sealed with the angle steel 3, which is welded into a frame and pre-buried in the surface of the reinforced concrete prefabricated panel 1, flush with the surface of the reinforced concrete prefabricated panel, and is fixed to the reinforced concrete prefabricated panel 1 by welding with hook nails 4; two hook nails 4 form a group, and adjacent hook nails 4 in the same group are spaced 10 mm apart, and adjacent groups of hook nails 4 are spaced 240 mm apart. The size of the angle steel 3 is 75×50 mm, and the hook nails 4 are made of HRB400 threaded steel bars.

[0030] Anchor steel bars 7 are embedded in the reinforced concrete precast panel, and guide steel plates 6 are embedded in the side surface. The guide steel plates 6 are flush with the surface of the reinforced concrete precast panel and are welded to the anchor steel bars 7. The guide steel plates 6 are made of Q235 steel and have dimensions of 200×200×12mm.

[0031] like Figure 6-7 As shown, a concrete platform slab 1 has a lifting sleeve 5 embedded in the top surface, and the end surface of the lifting sleeve 5 is flush with the surface of the reinforced concrete precast slab; the concrete platform slab 1 also includes a gate track 51, which is embedded in the top surface of the reinforced concrete precast slab; in other embodiments, drainage ditches and boundary piles can also be embedded.

[0032] like Figure 8-9 As shown, a level crossing includes rails 92, a crossing plate 91, a connecting plate 8 and a concrete platform plate 1. The rails 92 are laid on the crossing plate 91. The concrete platform plates 1 are located on both sides of the crossing plate 91 and extend in directions parallel to and perpendicular to the rails 92. The concrete platform plates 1 are fixedly connected on their outer sides by the connecting plates 8, and the concrete platform plates 1 and the crossing plate 91 are fixedly connected on their outer sides by the connecting plates 8.

[0033] The above-described embodiment represents only one implementation of the present invention. While the description is relatively specific and detailed, it should not be construed as limiting the scope of the patent. For example, pre-embedded drainage channels within reinforced concrete precast panels are readily available to those skilled in the art without departing from the scope of the present invention, and all such modifications and improvements fall within the scope of the present invention.

Claims

1. A concrete platform slab, characterized in that: It includes a reinforced concrete precast panel, a lifting sleeve and an angle steel. The angle steel is embedded in the surface of the concrete precast panel and seals the reinforced concrete precast panel on all sides. The lifting sleeve is embedded in the side of the reinforced concrete precast panel.

2. A concrete platform slab according to claim 1, characterized in that: Marking points are provided at both ends of the longitudinal center line of the top surface of the reinforced concrete precast slab.

3. The concrete platform slab according to claim 1, characterized in that: The lifting sleeves are located on two opposite sides of the reinforced concrete precast panel.

4. The concrete platform slab according to claim 1, characterized in that: The lifting sleeve is also pre-buried in the top surface of the reinforced concrete precast slab.

5. The concrete platform slab according to claim 1, characterized in that: It also includes hook nails, and the angle steel is fixed to the reinforced concrete prefabricated plate through the hook nails.

6. The concrete platform slab according to claim 1, characterized in that: It also includes a guide steel plate, which is pre-embedded in the side surface of the reinforced concrete precast plate.

7. The concrete platform slab according to claim 6, characterized in that: It also includes anchoring steel bars, which are pre-buried in the interior of the reinforced concrete precast plate, and the guide steel plate is fixedly connected to the anchoring steel bars.

8. The concrete platform slab according to claim 1, characterized in that: It also includes a gate track, a drainage ditch and a boundary pile, and the gate track, the drainage ditch and the boundary pile are located on the surface of the reinforced concrete prefabricated plate.

9. A level crossing, characterized in that: It comprises rails, a crossing plate and several concrete platform plates according to any one of claims 1 to 8, wherein the rails are laid on the crossing plate, and the several concrete platform plates are located outside the crossing plate, connected to each other and extending in directions parallel to and perpendicular to the rails.

10. A level crossing according to claim 9, characterized in that: It also includes a connecting plate, through which the concrete platform plates are fixedly connected on the outer side surfaces, and the concrete platform plates and the crossing plates are fixedly connected on the outer side surfaces through the connecting plate.

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