Prefabricated concrete slab road structure

Abstract

The utility model discloses a prefabricated concrete slab road structure which comprises a concrete slab road unit, the concrete slab road unit comprises a fixing frame and a concrete filling plate, the fixing frame is provided with a fixing groove, the concrete filling plate is arranged in the fixing groove, the fixing frame is provided with a connecting mechanism, and the connecting mechanism comprises a first connecting piece and a second connecting piece. The first connecting piece and the second connecting piece are arranged at the two ends of the fixing frame correspondingly, and the first connecting piece and the second connecting piece can be connected in a locked mode. According to the utility model, the connection tightness between the concrete slab road units can be improved, and the connection is convenient and quick.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of assembled road, especially relates to prefabricated assembled concrete slab road structure. BACKGROUND

[0002] Road engineering refers to the whole process of planning, design, construction, maintenance and management of road and the engineering entity. Like other any category of civil engineering, road engineering has obvious technical, economic and management characteristics. In order to adapt to the influence of driving action and natural factors, a multilayered, solid, stable, flat and certain roughness pavement is built in the driving lane range of the roadbed with various road construction materials. The prefabricated concrete road slab is a road slab pavement that is prefabricated and directly laid when laying the road, so that the construction speed is fast, the construction period of the cast-in-place concrete pavement is short, the requirement for manpower and material resources is less, and the influence on traffic is small.

[0003] The existing prefabricated road structure has poor connection tightness, inconvenient connection and time-consuming and laborious connection process. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above technical problems in the prior art, and provides prefabricated assembled concrete slab road structure, which can improve the connection tightness between concrete slab road units and facilitate and fasten the connection.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The prefabricated assembled concrete slab road structure is characterized by comprising a concrete slab road unit, the concrete slab road unit comprises a fixed frame and a concrete filling plate, the fixed frame is provided with a fixed groove, the concrete filling plate is arranged in the fixed groove, the fixed frame is provided with a connecting mechanism, the connecting mechanism comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are arranged at two ends of the fixed frame respectively, and the first connecting piece and the second connecting piece can be locked and connected.

[0007] Further, the first connecting piece is provided with a connecting block, the connecting block is provided with a connecting hole, the second connecting piece is provided with a lock rod, and the lock rod is clamped in the connecting hole.

[0008] Further, the lock rod and the second connecting piece are in sliding connection, the second connecting piece is provided with a lead screw, the lock rod is fixedly connected with a nut, the nut is in threaded connection with the lead screw, the second connecting piece is provided with a rotating rod, the rotating rod is provided with a first bevel gear, the lead screw is provided with a second bevel gear, and the first bevel gear and the second bevel gear are in meshing.

[0009] Further, the first connecting piece is provided with a sliding rail, the connecting block is provided with a sliding groove, and the sliding groove is arranged on the sliding rail and in sliding connection with the sliding rail.

[0010] Further, the first connecting piece and the connecting block are provided with a tension spring.

[0011] Further, the first connecting block is provided with a sliding plate, the sliding plate is provided with a connecting groove, the connecting block is provided with a protruding part, and the protruding part is arranged in the connecting groove and is in sliding connection with the connecting groove.

[0012] Further, the first connecting piece and the second connecting piece are both provided with a cover plate.

[0013] Further, the connecting mechanism is detachably connected with a lifting ring.

[0014] Further, the fixing groove is provided with a steel mesh.

[0015] Further, the bottom surface of the fixing frame is provided with a convex rib.

[0016] The utility model discloses the technical scheme has the following beneficial effects:

[0017] The utility model discloses a concrete slab road unit is set up, can conveniently prefabricate and lay the road structure, improves construction efficiency, and the concrete slab road unit adopts the fixed frame and concrete filling board, can improve construction manufacturing efficiency, and the fixed frame plays the role of formwork when the concrete filling board is pouring, and after pouring, simultaneously, the connecting mode of fixed frame and concrete filling board can also improve the pressure strength of concrete slab road unit, and the connecting mechanism can conveniently connect between concrete slab road units. DRAWINGS

[0018] The utility model will be further described below in connection with the drawings:

[0019] Figure 1 It is the structure schematic diagram of prefabricated assembly type concrete slab road structure of the utility model;

[0020] Figure 2 It is the structure schematic diagram of fixed frame in the utility model;

[0021] Figure 3 It is the structure schematic diagram of concrete slab road unit connection in the utility model;

[0022] Figure 4 It is the structure schematic diagram of connecting mechanism in the utility model;

[0023] Figure 5 It is the structure schematic diagram of first connecting piece in the utility model;

[0024] Figure 6 It is the structure schematic diagram of second connecting piece in the utility model;

[0025] Figure 7 It is the structure schematic diagram of screw rod and rotary lever connection in the utility model;

[0026] Figure 8 It is a structure diagram of the rib of the utility model.

[0027] In the figure, 1 is a concrete slab road unit; 2 is a fixed frame; 3 is a concrete filling slab; 4 is a fixed groove; 5 is a first connecting piece; 6 is a second connecting piece; 7 is a connecting block; 8 is a connecting hole; 9 is a locking rod; 10 is a screw rod; 11 is a nut; 12 is a rotating rod; 13 is a first bevel gear; 14 is a second bevel gear; 15 is a sliding rail; 16 is a sliding groove; 17 is a tension spring; 18 is a cover plate; 19 is a lifting ring; 20 is a reinforcing mesh; 21 is a rib; 22 is a sliding plate; 23 is a connecting groove; 24 is a protruding part. DETAILED DESCRIPTION

[0028] As Figures 1 to 8 shown, it is a prefabricated assembly type concrete slab road structure of the utility model, comprising a concrete slab road unit 1, the concrete slab road unit 1 comprising a fixed frame 2 and a concrete filling slab 3, the fixed frame 2 being provided with a fixed groove 4, the concrete filling slab 3 being arranged in the fixed groove 4, the fixed frame 2 being provided with a connecting mechanism, the connecting mechanism comprising a first connecting piece 5 and a second connecting piece 6, the first connecting piece 5 and the second connecting piece 6 being respectively arranged at two ends of the fixed frame 2, and the first connecting piece 5 and the second connecting piece 6 being capable of locking connection. Through the above arrangement, not only the strength and the bearing capacity of the concrete slab road unit 1 can be improved, but also the pouring of the concrete filling slab 3 can be facilitated, the process of the prefabricated concrete slab road unit 1 is shortened, and the process of modeling and demolding is eliminated. The arrangement of the first connecting piece 5 and the second connecting piece 6 can realize the connection between adjacent concrete slab road units 1, the connection is convenient, and the connection effect is good.

[0029] As an implementation manner, the first connecting piece 5 is provided with a connecting block 7, the connecting block 7 is provided with a connecting hole 8, the second connecting piece 6 is provided with a locking rod 9, and the locking rod 9 is clamped in the connecting hole 8. Through the arrangement of the locking rod 9 and the connecting hole 8, the locking connection of the first connecting piece 5 and the second connecting piece 6 can be facilitated.

[0030] Specifically, the locking rod 9 is in sliding connection with the second connecting piece 6, the second connecting piece 6 is provided with a screw rod 10, the locking rod 9 is fixedly connected with a nut 11, the nut 11 is in threaded connection with the screw rod 10, the second connecting piece 6 is provided with a rotating rod 12, the rotating rod 12 is provided with a first bevel gear 13, the screw rod 10 is provided with a second bevel gear 14, and the first bevel gear 13 and the second bevel gear 14 are in meshing. Through the above arrangement, the rotating rod 12 can be driven to rotate to rotate the screw rod 10, so as to realize the movement of the nut 11 and the locking rod 9, thereby realizing the locking and unlocking of the locking rod 9, which facilitates the movement of the locking rod 9 driven by the outside of the second connecting piece 6, and makes the locking more convenient.

[0031] In the embodiment, the first connecting piece 5 is provided with a sliding rail 15, the connecting block 7 is provided with a sliding groove 16, and the sliding groove 16 is arranged on the sliding rail 15 and is in sliding connection with the sliding rail 15. Through the above arrangement, the connecting block 7 can be conveniently telescoped and accommodated, and in use, the connecting block 7 is slid out to be connected and locked, and in non-use, the connecting block 7 is accommodated in the first connecting piece 5, so as to avoid damage of the connecting block 7 in transportation and cause the connecting block 7 to be unable to be connected with the lock rod 9, and the connecting block 7 is protected.

[0032] The first connecting piece 5 is provided with a pulling spring 17 between the first connecting piece 5 and the connecting block 7. Through the arrangement of the pulling spring 17, the connecting block 7 can always be in the first connecting piece 5, damage is avoided, and in use, the connecting block 7 can be pulled out only by exerting a certain force, use is convenient, and protection effect is good. The first connecting block 7 is provided with a sliding plate 22, the sliding plate 22 is provided with a connecting groove 23, the connecting block 7 is provided with a protruding portion 24, the protruding portion 24 is arranged in the connecting groove 23 and is in sliding connection with the connecting groove 23. Through the above arrangement, the connecting block 7 can be conveniently pulled out, and the connecting block 7 is conveniently connected.

[0033] As an implementation manner, the first connecting piece 5 and the second connecting piece 6 are both provided with a cover plate 18. Through the arrangement of the cover plate 18, the first connecting piece 5 and the second connecting piece 6 can be prevented from being blocked when pouring concrete, so that the components of the first connecting piece 5 and the second connecting piece 6 are not adhered and cannot be moved, and the first connecting piece 5 and the second connecting piece 6 can also be protected in use.

[0034] As an implementation manner, the connecting mechanism is detachably connected with a lifting ring 19. Through the arrangement of the lifting ring 19, the concrete slab road unit 1 can be conveniently hoisted, the concrete slab road unit 1 can be conveniently laid, and the detachable lifting ring 19 can be removed in connection, so as to ensure the connecting effect between the concrete slab road units 1. The lifting ring 19 is detachably connected through the arrangement of bolts and the arrangement of threaded holes in the connecting mechanism.

[0035] As an implementation manner, the fixed groove 4 is provided with a steel mesh 20. The arrangement of the steel mesh 20 in the fixed groove 4 can improve the strength of the concrete filling plate 3.

[0036] As an implementation manner, the bottom surface of the fixed frame 2 is provided with a convex rib 21. The convex rib 21 on the bottom surface can improve the strength of the fixed frame 2, and can improve the contact area between the fixed frame 2 and the ground and improve the friction.

[0037] The utility model discloses a concrete slab road unit 1 is set up, can conveniently prefabricate and lay the road structure, improves construction efficiency, and the concrete slab road unit 1 adopts fixed frame 2 and concrete filling board 3, can improve construction manufacturing efficiency, and fixed frame 2 plays the role of formwork when concrete filling board 3 pours, and after pouring, it is exempted from dismounting simultaneously, and the connecting form of fixed frame 2 and concrete filling board 3 still can improve the compression strength of concrete slab road unit 1, and the connecting mechanism can conveniently connect between concrete slab road unit 1.

[0038] The above is only the specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification etc. made on the basis of the utility model to solve the basically same technical problem and realize the basically same technical effect all cover in the protection scope of the utility model.

Claims

1. Precast concrete slab road structure, characterized by: The utility model provides a concrete slab road unit, which comprises a fixed frame and a concrete filling slab, the fixed frame is provided with a fixed groove, the concrete filling slab is arranged in the fixed groove, the fixed frame is provided with a connecting mechanism, the connecting mechanism comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are arranged at two ends of the fixed frame respectively, and the first connecting piece and the second connecting piece can be locked and connected.

2. The precast concrete slab road structure according to claim 1, characterized in that: The first connecting piece is provided with a connecting block, the connecting block is provided with a connecting hole, the second connecting piece is provided with a lock rod, and the lock rod is clamped in the connecting hole.

3. The precast concrete slab road structure according to claim 2, characterized in that: The lock rod and the second connecting piece are in sliding connection, the second connecting piece is provided with a screw rod, the lock rod is fixedly connected with a nut, the nut is in threaded connection with the screw rod, the second connecting piece is provided with a rotating rod, the rotating rod is provided with a first bevel gear, the screw rod is provided with a second bevel gear, and the first bevel gear and the second bevel gear are in meshing connection.

4. The precast concrete slab road structure according to claim 2, characterized in that: The first connecting piece is provided with a sliding rail, the connecting block is provided with a sliding groove, the sliding groove is arranged on the sliding rail and is in sliding connection with the sliding rail.

5. The precast concrete slab road structure according to claim 4, characterized in that: A tension spring is arranged between the first connecting piece and the connecting block.

6. The precast concrete slab road structure according to claim 5, characterized in that: The first connecting piece is provided with a sliding plate, the sliding plate is provided with a connecting groove, the connecting block is provided with a convex part, the convex part is arranged in the connecting groove and is in sliding connection with the connecting groove.

7. The precast concrete panel road structure according to claim 2, characterised in that: Cover plates are arranged on the first connecting piece and the second connecting piece.

8. The precast concrete panel road structure according to claim 1, characterized in that: The connecting mechanism is detachably connected with a lifting ring.

9. The precast concrete panel road structure according to claim 1, characterized in that: A reinforcing mesh is arranged in the fixed groove.

10. The precast concrete panel road structure according to claim 1, characterized in that: The bottom surface of the fixed frame is provided with convex ribs.

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