Node quick connection structure of assembly type cement concrete pavement

Abstract

The utility model discloses an assembly type cement concrete pavement node quick connection structure which comprises a reinforced concrete prefabricated slab, a steel bearing plate is installed at the lower end of the reinforced concrete prefabricated slab, a connection spring is installed on the side face of a locking insertion block, and one end of the connection spring is fixedly connected with a locking protruding block. A locking slot is formed in the lower end of one side of the node connecting block, and a locking groove is formed in the side face of the locking slot. According to the joint rapid connection structure of the fabricated cement concrete pavement, the steel bearing plates can be rapidly positioned and spliced in the locking slots through the locking insertion blocks, then the locking convex blocks can be driven by the connecting springs to be buckled into the locking grooves for rapid locking, and installation is more stable; and the node connecting blocks can be quickly inserted into bolts for disassembly and assembly through the mounting buckle blocks, the mounting buckle grooves and the fixing bolts, quick replacement and use are facilitated, the reinforced concrete prefabricated slabs can be poured and reinforced through the filling blocks and the reinforcing convex blocks, and installation is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction, in particular to a node quick connection structure of an assembled cement concrete pavement. Background Art

[0002] At present, there are two types of high-grade pavement widely used in the field of road construction: asphalt mixture and cement concrete. Cement concrete is favored by heavy-load traffic and temporary road construction due to its high strength and good stability. Traditional cement concrete pavements are mostly built in a cast-in-place manner, and the road panels are flat. Therefore, it is necessary to consider the loss of construction period caused by cement concrete maintenance.

[0003] The existing CN208762812U steel deck connection structure of an assembled pavement adopts a steel structure to connect the nodes, and has good overall stability, high mechanical strength, and is easy to construct quickly. It can produce significant economic effects by avoiding the defects of misalignment, mud pumping, corner protection, flatness, etc. between traditional connection joints. However, there are some shortcomings. The existing equipment steel structure cannot be quickly and stably fixed and installed, and the connection structure cannot be effectively replaced quickly. In addition, the installation stability of the assembled pavement is not good. Therefore, a node quick connection structure of an assembled cement concrete pavement is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a node quick connection structure for an assembled cement concrete pavement to solve the problems mentioned in the above background technology that the steel structure of the steel deck connection structure of the assembled pavement cannot be quickly and stably fixed and installed, the connection structure cannot be effectively and quickly replaced, and the installation stability of the assembled pavement is poor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a node quick connection structure of an assembled cement concrete pavement, comprising a reinforced concrete precast plate, a steel deck installed at the lower end of the reinforced concrete precast plate, a welding installation groove is provided on the upper end of the steel deck, and a welding installation block is inserted and installed on the inner wall of the welding installation groove, a reinforcing convex block is fixedly connected to the upper end of the welding installation block, a filling block is fixedly connected to the side of the steel deck, and a buffer pad is fixedly connected to the lower end of the steel deck, a mounting buckle groove is provided on one side of the steel deck, and a mounting buckle block is inserted and installed on the inner wall of the mounting buckle groove, and a fixing bolt is inserted and installed on the outer wall of the mounting buckle groove, a node connection block is fixedly connected to one side of the mounting buckle block, and a sealing buckle block is fixedly connected to the upper edge of one side of the node connection block, a sealing buckle groove is provided on the lower edge of one side of the node connection block, and a locking plug block is fixedly connected to the upper end of one side of the node connection block, a connecting spring is installed on the side of the locking plug block, and one end of the connecting spring is fixedly connected to the locking convex block, a locking slot is provided at the lower end of one side of the node connection block, and a locking groove is provided on the side of the locking slot.

[0006] Preferably, the reinforced concrete precast panels are installed by filling and processing with filling blocks and steel bearing plates, and the filling blocks are distributed in a grid-like manner between the steel bearing plates.

[0007] Preferably, the reinforced concrete precast panel is fixedly installed by inserting and engaging with the steel support plate through a reinforcing protrusion, and the reinforcing protrusion is a conical structure. The reinforcing protrusion is welded and buckled with the steel support plate in a welding installation groove through a welding installation block.

[0008] Preferably, the steel support plates are installed by positioning the locking blocks in the locking slots, and the locking blocks are installed by snapping and locking with the locking slots in the locking grooves through the locking protrusions, and the locking protrusions are elastically and telescopically connected to the locking grooves through connecting springs.

[0009] Preferably, the node connection block is installed in the installation buckle groove by positioning the buckle block and plugging it with the steel bearing plate, and the installation buckle block is bolt-fixed to the installation buckle groove by fixing bolts, and the fixing bolts are distributed in a ring-shaped position on the outer wall of the installation buckle groove.

[0010] Preferably, the buffer pad is made of rubber, and the shape of the buffer pad matches the shape of the lower end of the steel support plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the node quick connection structure of the assembled cement concrete pavement can quickly position and splice the steel bearing plates in the locking slot by means of the locking plug block, and then the locking protrusion can be driven by the connecting spring to buckle into the locking groove for quick locking, which makes the installation more stable, and the node connection block can be quickly assembled and disassembled by means of the installation buckle block, the installation buckle groove and the fixing bolt, which is convenient and quick to replace and use, and the reinforced concrete prefabricated plate can be cast and reinforced by means of the filling block and the reinforcing protrusion, which makes the installation more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a node quick connection structure of an assembled cement concrete pavement of the utility model;

[0013] Figure 2 This is a cross-sectional view of a node quick connection structure of an assembled cement concrete pavement of the utility model;

[0014] Figure 3 This is a schematic diagram of the connection between the node quick connection structure steel deck and the filling block of an assembled cement concrete pavement of the utility model;

[0015] Figure 4 The utility model is a node quick connection structure of an assembled cement concrete pavement Figure 2 Enlarged view of point A in the middle;

[0016] Figure 5 The utility model is a node quick connection structure of an assembled cement concrete pavement Figure 2 Enlarged view of point B in the middle;

[0017] Figure 6 The utility model is a node quick connection structure of an assembled cement concrete pavement Figure 2 Enlarged view of center C.

[0018] In the figure: 1. reinforced concrete precast plate, 2. steel bearing plate, 3. node connection block, 4. buffer pad, 5. filling block, 6. reinforcement protrusion, 7. welding installation groove, 8. welding installation block, 9. installation buckle block, 10. installation buckle groove, 11. fixing bolt, 12. sealing buckle block, 13. sealing buckle groove, 14. locking slot, 15. connecting spring, 16. locking protrusion, 17. locking groove, 18. locking plug. DETAILED DESCRIPTION

[0019] 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 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.

[0020] See also Figure 1-6The utility model provides a technical solution: a node quick connection structure of an assembled cement concrete pavement, comprising a reinforced concrete prefabricated plate 1, a steel bearing plate 2, a node connection block 3, a buffer pad 4, a filling block 5, a reinforcement convex block 6, a welding installation groove 7, a welding installation block 8, an installation buckle block 9, an installation buckle groove 10, a fixing bolt 11, a sealing buckle block 12, a sealing buckle groove 13, a locking slot 14, a connecting spring 15, a locking convex block 16, a locking groove 17 and a locking plug block 18. The steel bearing plate 2 is installed at the lower end of the reinforced concrete prefabricated plate 1. The reinforced concrete prefabricated plate 1 is filled and processed and installed with the filling block 5 and the steel bearing plate 2, and the filling block 5 is distributed in a mesh shape between the steel bearing plate 2, so that the reinforced concrete prefabricated plate 1 can be reinforced and installed by the filling block 5. The prefabricated plate 1 is fixedly installed with the steel bearing plate 2 by inserting the reinforcing protrusion 6, and the reinforcing protrusion 6 is a conical structure. The reinforcing protrusion 6 is welded and buckled with the steel bearing plate 2 in the welding installation groove 7 by welding the mounting block 8, so that the reinforced concrete prefabricated plate 1 can be auxiliary inserted and reinforced by the reinforcing protrusion 6, and the reinforcing protrusion 6 can be buckled and welded, and the installation is more stable. The steel bearing plates 2 are positioned, inserted and spliced ​​in the locking slot 14 by the locking plug 18, and the locking plug 18 is buckled and locked with the locking slot 14 in the locking groove 17 by the locking protrusion 16. The locking protrusion 16 is elastically telescopically connected to the locking groove 17 by the connecting spring 15, so that the steel bearing plates 2 can be quickly positioned, inserted and locked for installation, and the installation is more stable. The steel support plate 2 is fixed and more convenient. A welding installation groove 7 is provided on the upper end of the steel support plate 2, and a welding installation block 8 is installed on the inner wall of the welding installation groove 7. A reinforcing protrusion 6 is fixedly connected to the upper end of the welding installation block 8. A filling block 5 is fixedly connected to the side of the steel support plate 2, and a buffer pad 4 is fixedly connected to the lower end of the steel support plate 2. The buffer pad 4 is made of rubber, and the shape of the buffer pad 4 matches the shape of the lower end of the steel support plate 2, so that the buffer pad 4 can perform stress buffering and play an isolation role. A mounting buckle groove 10 is provided on one side of the steel support plate 2, and a mounting buckle block 9 is installed on the inner wall of the mounting buckle groove 10. A fixing bolt 11 is installed on the outer wall of the mounting buckle groove 10. A node connection block 3 is fixedly connected to one side of the mounting buckle block 9, and a sealing joint is fixedly connected to the upper edge of one side of the node connection block 3. The sealing buckle block 12 and the node connection block 3 are installed in the installation buckle groove 10 by positioning the buckle block 9 and plugging and splicing with the steel bearing plate 2, and the installation buckle block 9 is fixedly installed with the installation buckle groove 10 by fixing bolts 11, and the fixing bolts 11 are distributed in a ring-shaped position on the outer wall of the installation buckle groove 10, so that the node connection block 3 is convenient for plugging and disassembling the bolts, and is convenient for quick replacement and use. A sealing buckle groove 13 is provided at the lower edge of one side of the node connection block 3, and a locking plug block 18 is fixedly connected to the upper end of one side of the node connection block 3, a connecting spring 15 is installed on the side of the locking plug block 18, and a locking protrusion 16 is fixedly connected to one end of the connecting spring 15, a locking slot 14 is provided at the lower end of one side of the node connection block 3, and a locking groove 17 is provided on the side of the locking slot 14.

[0021] Working principle: When using the node quick connection structure of the assembled cement concrete pavement, first lay the steel deck 2 of the device on the compacted soil foundation, and then install the node connection block 3 with the steel deck 2 by installing the buckle block 9, installing the buckle groove 10 and the fixing bolt 11, and then quickly plug and lock the steel deck 2 through the locking slot 14, connecting spring 15, locking protrusion 16, locking groove 17 and locking plug 18, and seal the connection by buckling the sealing buckle block 12 and the sealing buckle groove 13, and then pour on the steel deck 2, and then insert and reinforce the reinforced concrete prefabricated plate 1 through the reinforcement protrusion 6. When in use, the buffer pad 4 at the lower end of the steel deck 2 can perform stress buffering and support water isolation. This is the use process of the node quick connection structure of the assembled cement concrete pavement.

[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A node quick connection structure for an assembled cement concrete pavement, comprising a reinforced concrete prefabricated plate (1), a steel bearing plate (2) being installed at the lower end of the reinforced concrete prefabricated plate (1), characterized in that: The upper end of the steel support plate (2) is provided with a welding installation groove (7), and a welding installation block (8) is inserted and installed on the inner wall of the welding installation groove (7), and the upper end of the welding installation block (8) is fixedly connected with a reinforcing protrusion (6), the side of the steel support plate (2) is fixedly connected with a filling block (5), and the lower end of the steel support plate (2) is fixedly connected with a buffer pad (4), one side of the steel support plate (2) is provided with a mounting buckle groove (10), and a mounting buckle block (9) is inserted and installed on the inner wall of the mounting buckle groove (10), and a fixing bolt (11) is inserted and installed on the outer wall of the mounting buckle groove (10), and the mounting buckle block (9) is fixedly connected with the inner wall of the mounting buckle groove (10). A node connection block (3) is fixedly connected to the side, and a sealing buckle block (12) is fixedly connected to the upper edge of one side of the node connection block (3), a sealing buckle groove (13) is provided at the lower edge of one side of the node connection block (3), and a locking plug block (18) is fixedly connected to the upper end of one side of the node connection block (3), a connecting spring (15) is installed on the side of the locking plug block (18), and a locking protrusion (16) is fixedly connected to one end of the connecting spring (15), a locking slot (14) is provided at the lower end of one side of the node connection block (3), and a locking groove (17) is provided on the side of the locking slot (14).

2. The node quick connection structure of the assembled cement concrete pavement according to claim 1 is characterized by: The reinforced concrete prefabricated panel (1) is installed by filling, processing and installing the filling blocks (5) and the steel support plates (2), and the filling blocks (5) are distributed in a mesh shape between the steel support plates (2).

3. The node quick connection structure of the assembled cement concrete pavement according to claim 2 is characterized in that: The reinforced concrete prefabricated plate (1) is fixedly installed with the steel support plate (2) by means of a reinforcing protrusion (6), and the reinforcing protrusion (6) is a conical structure. The reinforcing protrusion (6) is welded and fastened to the steel support plate (2) in a welding installation groove (7) by means of a welding installation block (8).

4. The node quick connection structure of the assembled cement concrete pavement according to claim 3 is characterized by: The steel support plates (2) are installed in a positioning manner by means of a locking plug (18) in a locking slot (14), and the locking plug (18) is installed in a locking manner by means of a locking protrusion (16) in a locking groove (17) and in a buckling manner with the locking slot (14), and the locking protrusion (16) is elastically and telescopically connected to the locking groove (17) via a connecting spring (15).

5. The node quick connection structure of the assembled cement concrete pavement according to claim 4 is characterized in that: The node connection block (3) is installed in a positioning, plug-in and spliced ​​manner with the steel support plate (2) in the installation buckle groove (10) through the installation buckle block (9), and the installation buckle block (9) is bolt-fixedly installed with the installation buckle groove (10) through fixing bolts (11), and the fixing bolts (11) are distributed in an annular position on the outer wall of the installation buckle groove (10).

6. The node quick connection structure of the assembled cement concrete pavement according to claim 5 is characterized by: The buffer pad (4) is made of rubber material, and the shape of the buffer pad (4) matches the shape of the lower end of the steel support plate (2).

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