Emulsified asphalt cold-recycling pavement structure

By employing a triangular structure of limiting plate, support plate, and fixing plate in the emulsified asphalt cold recycled pavement structure, combined with the insertion and positioning mechanism of the limiting block and the limiting groove, the problems of limiting plate offset and cumbersome disassembly are solved, thereby improving the road smoothness and installation efficiency.

CN224031443UActive Publication Date: 2026-03-24ZHONGSHAN HIGHWAY ENG CO LTD
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Patent Information

Application Number
CN202520646916.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-03-24
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

In existing emulsified asphalt cold recycled pavement structures, the limiting plates are prone to shifting during the laying process, resulting in gaps that affect the smoothness of the road. Furthermore, the assembly and disassembly are cumbersome, time-consuming, and labor-intensive.

Method used

The design incorporates a limiting plate, a support plate, and a fixing plate to form a triangular structure. The limiting plate is stably fixed through the insertion of the limiting block and the limiting groove, and the positioning mechanism utilizes the cooperation of the locking block and the spring to achieve quick installation and disassembly.

Benefits of technology

It improves the stability of the limit plate, prevents gaps, ensures the flatness of the road paving, and simplifies the installation and removal process of the limit plate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an emulsified asphalt cold recycling pavement structure, which belongs to the technical field of road engineering, and comprises a plurality of limiting plates, a plurality of mounting tables are symmetrically fixed on the side walls of the limiting plates, two supporting plates and a fixing plate are respectively and rotatably connected on the mounting tables, a mounting plate is fixedly connected between the two supporting plates, and the fixing plate is fixedly connected between the two supporting plates. Positioning columns are symmetrically fixed at the bottom of the mounting plate; through cooperative use of all the devices, the fixing plates and the supporting plates can be rotationally folded, the limiting plates are convenient to disassemble and assemble, limiting blocks on the limiting plates are connected with limiting grooves in an inserted mode, the limiting blocks are positioned in the limiting grooves through positioning mechanisms, therefore, limiting and fixing between the adjacent limiting plates are achieved, the stability between the limiting plates is improved, and the service life of the limiting plates is prolonged. The single limiting plate is prevented from being stressed and deviated, gaps can be effectively prevented from being generated between the limiting plates, and the situation that gravels for road laying fall off from the gaps between the limiting plates, and the road laying flatness is affected is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to road engineering technical field, concretely is a kind of emulsified asphalt cold recycling pavement structure. BACKGROUND

[0002] Cold recycling asphalt pavement is a set of process technologies that old cold recycling asphalt pavement layer that needs to be repaired is recycled, broken, screened, and then a certain proportion of recycled asphalt mixture that meets certain road performance is obtained, and the road surface is repaved with it;Highway is divided into roadbed, subgrade and pavement three parts, among them, pavement is prone to deformation, which leads to highway damage and is not conducive to vehicle travel;Especially in the collapsed area of highway, since the foundation is not very stable, once the road surface has poor deformation resistance, it is easy to cause pavement deformation damage.

[0003] According to the search, the Chinese utility model patent discloses an anti-deformation emulsified asphalt cold recycling pavement structure (publication number: CN215800761U), which comprises a pavement body, the pavement body is composed of a soil base layer, a large gravel layer, a small gravel layer, an emulsified asphalt cold recycling layer, a steel mesh layer and a waterproof modified asphalt surface layer, the bottom of the pavement body is the soil base layer, and the upper end surface of the soil base layer is paved with the large gravel layer.

[0004] Although the above-mentioned patent fixes the limiting plate on both sides of the road, fixes the fixing plate, and facilitates road paving, the limiting plate, the fixing plate and the supporting plate of the device are connected by bolts, and the staff needs to assemble the limiting plate, the fixing plate and the supporting plate on site when paving the road, which is too time-consuming. After that, the multiple limiting plates are combined, but the limiting plates do not have limiting ability between them, and in the process of use, a single limiting plate is easy to be offset by external force, and the gravel blocks paved on the road surface will fall out of the gap between the limiting plates, affecting the paving flatness of the road. After use, in order to facilitate transportation, the assembled limiting plate, fixing plate and supporting plate need to be disassembled, which is tedious, time-consuming and laborious.

[0005] Therefore, the utility model provides an emulsified asphalt cold recycling pavement structure to solve the above problems. UTILITY MODEL CONTENTS

[0006] (I) Technical problem solved

[0007] The utility model provides an emulsified asphalt cold recycling pavement structure, which aims to solve the problems raised in the background art.

[0008] (II) Technical scheme

[0009] To achieve the above object, the utility model provides the following technical scheme: including a plurality of limit boards, the lateral wall of limit board is fixed with a plurality of installation platform symmetrically, a plurality of The installation platform is rotatably connected with two support plates and fixed plate respectively, two The support plate is fixedly connected with the mounting plate between, the bottom of mounting plate is fixed with the positioning column symmetrically, the fixed plate is equipped with the positioning hole, and the positioning column is inserted in the positioning hole, The lateral wall of limit board is equipped with limit block and limit slot symmetrically, the limit block of adjacent two limit boards is inserted in the limit slot, The limit block is equipped with positioning mechanism between limit slot, The positioning mechanism includes the clamping block and first spring, The clamping block is equipped with the clamping groove, The clamping block is inserted in the clamping groove.

[0010] As a preferred technical scheme of the application, a cavity is formed in the limit board, the end of the clamping block is fixedly connected with a round rod, and the first spring is sleeved on the round rod, with one end of the first spring fixedly connected with the clamping block.

[0011] As a preferred technical scheme of the application, a connecting plate is fixedly connected in the cavity, and the end of the round rod away from the clamping block slidably penetrates the connecting plate, with the other end of the first spring fixedly connected with the connecting plate.

[0012] As a preferred technical scheme of the application, a connecting rod is arranged in the cavity, the connecting rod slidably penetrates the connecting plate, and the top end of the connecting rod slidably extends out of the cavity, a fixing piece is fixedly connected between the connecting rod and the round rod, a second spring is sleeved on the connecting rod, and both ends of the second spring are fixedly connected with the fixing piece and the inner wall of the cavity.

[0013] As a preferred technical scheme of the application, a round plate is arranged on the top of the limit board, the connecting rod slidably penetrates the round plate, a pull plate is arranged on the round plate, and the pull plate is rotatably connected with the connecting rod.

[0014] As a preferred technical scheme of the application, a connecting platform is fixedly arranged on the mounting plate, the support plate is rotatably connected with the connecting platform, a plurality of mounting blocks are fixedly connected on the mounting plate, and a screw rod is threadedly connected on the mounting block.

[0015] (Three) beneficial effects

[0016] By arranging the support plate, the fixed plate and the mounting plate to form a triangular structure to support the limit board, the fixed plate and the support plate can be folded, which facilitates the disassembly and assembly of the limit board, the limit block and the limit slot are inserted on the limit board, the limit block is positioned in the limit slot by the positioning mechanism, thereby achieving the limiting and fixing between the adjacent limit boards, improving the stability between the limit boards, preventing the single limit board from being offset by force, and effectively avoiding the gap between the limit boards, so as to prevent the gravel from falling off from the gap between the limit boards and affecting the flatness of the road paving. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of an emulsified asphalt cold recycling pavement structure;

[0018] Figure 2 is a structural schematic view of a positioning column in an emulsified asphalt cold recycling pavement structure;

[0019] Figure 3 is Figure 2 is an enlarged view of A in the middle;

[0020] Figure 4 is a structural sectional view of a limiting plate in an emulsified asphalt cold recycling pavement structure;

[0021] Figure 5 is Figure 4 is an enlarged view of B in the middle.

[0022] In the figure:

[0023] 1, limiting plate; 2, mounting table; 3, support plate; 4, fixed plate; 5, mounting plate; 6, connecting table; 7, mounting block; 8, screw rod; 9, limiting groove; 10, positioning column; 11, limiting block; 12, clamping groove; 13, clamping block; 14, round rod; 15, first spring; 16, connecting plate; 17, connecting rod; 18, fixed sheet; 19, second spring; 20, round plate; 21, pull plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] The present application provides an emulsified asphalt cold recycling pavement structure, such as Figures 1-5As shown, the technical scheme comprises a plurality of limiting plates 1, a plurality of mounting tables 2 are fixed symmetrically on the side walls of the limiting plates 1, two supporting plates 3 and a fixed plate 4 are respectively connected rotatably on the mounting tables 2, the two supporting plates 3 are fixedly connected with a mounting plate 5, a positioning column 10 is fixed symmetrically on the bottom of the mounting plate 5, a positioning hole is formed on the fixed plate 4, and the positioning column 10 is inserted into the positioning hole, a connecting table 6 is fixed symmetrically on the mounting plate 5, the supporting plate 3 is rotatably connected with the connecting table 6, a plurality of mounting blocks 7 are fixedly connected on the mounting plate 5, and a screw rod 8 is threadedly connected on the mounting block 7; in use, the supporting plate 3 and the fixed plate 4 are rotated, so that the fixed plate 4 is placed horizontally on the ground, the limiting plate 1 is perpendicular to the fixed plate 4, then the positioning column 10 on the mounting plate 5 is inserted into the positioning hole on the fixed plate 4, and finally the screw rod 8 is rotated, so that the bottom end of the screw rod 8 is inserted into the ground, thereby realizing the quick installation of the limiting plate 1, and the fixed plate 4 and the supporting plate 3 can be folded, thereby facilitating the disassembly and assembly of the limiting plate 1.

[0026] A limiting block 11 and a limiting groove 9 are symmetrically arranged on the side wall of the limiting plate 1, the limiting blocks 11 on the adjacent two limiting plates 1 are inserted into the limiting grooves 9, a positioning mechanism is arranged between the limiting block 11 and the limiting groove 9, the positioning mechanism comprises a clamping block 13 and a first spring 15, a clamping groove 12 is formed on the limiting block 11, the clamping block 13 is inserted into the clamping groove 12, a cavity is formed in the limiting plate 1, an end of the clamping block 13 is fixedly connected with a round rod 14, the first spring 15 is sleeved on the round rod 14, one end of the first spring 15 is fixedly connected with the clamping block 13, a connecting plate 16 is fixedly connected in the cavity, one end of the round rod 14 away from the clamping block 13 slides through the connecting plate 16, and the other end of the first spring 15 is fixedly connected with the connecting plate 16.

[0027] In use, the limiting block 11 on the limiting plate 1 is inserted into the limiting groove 9, in the process of insertion, the side wall of the limiting groove 9 will extrude the inclined surface of the clamping block 13, so that the clamping block 13 compresses the first spring 15 and is retracted into the cavity, when the limiting block 11 is completely inserted into the limiting groove 9, the position of the clamping block 13 and the clamping groove 12 is opposite, at this time, the clamping block 13 is no longer extruded, the reset first spring 15 pushes the clamping block 13 to insert into the clamping groove 12, thereby limiting the limiting block 11 in the limiting groove 9, and realizing the fixed limiting between the limiting plates 1.

[0028] A connecting rod 17 is arranged in the cavity, the connecting rod 17 slides through the connecting plate 16, the top end of the connecting rod 17 slides out of the cavity, a fixing sheet 18 is fixedly connected between the connecting rod 17 and the round rod 14, a second spring 19 is sleeved on the connecting rod 17, and the two ends of the second spring 19 are respectively fixedly connected with the fixing sheet 18 and the inner wall of the cavity, a round plate 20 is arranged on the top of the limiting plate 1, the connecting rod 17 slides through the round plate 20, a pulling plate 21 is arranged on the round plate 20, and the pulling plate 21 is rotatably connected with the connecting rod 17.

[0029] When in use, the pull plate 21 is rotated by 90°, the end of the pull plate 21 abuts against the round plate 20, the pull plate 21 is arranged in a vertical state on the round plate 20, in the process, the pull plate 21 drives the connecting rod 17 to move upwards, and drives the fixed sheet 18 to compress the second spring 19, the fixed sheet 18 drives the clamping block 13 to move upwards through the round rod 14 and compresses the first spring 15, so that the clamping block 13 moves out of the clamping groove 12, and the positioning of the limiting block 11 by the positioning mechanism can separate the connected limiting plates 1, then the pull plate 21 is rotated by 90°, that is, the pull plate 21 is arranged in a horizontal state on the round plate 20, at this time, the second spring 19 and the first spring 15 which are compressed are reset to drive the clamping block 13 to move out of the cavity, which is convenient for limiting the limiting block 11 in the next assembly.

[0030] In summary: when working, the support plate 3 and the fixed plate 4 are rotated, so that the fixed plate 4 is placed horizontally on the ground, the limiting plate 1 is perpendicular to the fixed plate 4, then the positioning column 10 on the mounting plate 5 is inserted into the positioning hole on the fixed plate 4, finally the screw rod 8 is rotated, so that the bottom end of the screw rod 8 is inserted into the ground, realizing the quick installation of the limiting plate 1.

[0031] The limiting block 11 on the limiting plate 1 is inserted into the limiting groove 9, so that the clamping block 13 in the positioning mechanism is inserted into the clamping groove 12 on the limiting block 11, the limiting block 11 is limited in the limiting groove 9, realizing the fixed limiting between the limiting plates 1, when the limiting needs to be released, the pull plate 21 is rotated by 90°, the end of the pull plate 21 abuts against the round plate 20, at the same time, the pull plate 21 drives the connecting rod 17 to move upwards, the connecting rod 17 drives the clamping block 13 to move upwards through the fixed sheet 18 and the round rod 14, so that the clamping block 13 moves out of the clamping groove 12, and the positioning of the limiting block 11 by the positioning mechanism can separate the connected limiting plates 1.

[0032] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A cold recycled asphalt pavement structure, comprising multiple limiting plates (1), characterized in that: Multiple mounting platforms (2) are symmetrically fixed on the side wall of the limiting plate (1). Two support plates (3) and a fixing plate (4) are rotatably connected to the multiple mounting platforms (2). A mounting plate (5) is fixedly connected between the two support plates (3). A positioning post (10) is symmetrically fixed at the bottom of the mounting plate (5). A positioning hole is opened on the fixing plate (4), and the positioning post (10) is inserted into the positioning hole. A limiting block (11) and a limiting groove (9) are symmetrically provided on the side wall of the limiting plate (1). The limiting blocks (11) on two adjacent limiting plates (1) are inserted into the limiting groove (9). A positioning mechanism is provided between the limiting block (11) and the limiting groove (9). The positioning mechanism includes a locking block (13) and a first spring (15). A locking groove (12) is opened on the limiting block (11), and the locking block (13) is inserted into the locking groove (12).

2. The emulsified asphalt cold recycled pavement structure according to claim 1, characterized in that: The limiting plate (1) has a cavity, and the end of the locking block (13) is fixedly connected to a round rod (14). The first spring (15) is sleeved on the round rod (14), and one end of the first spring (15) is fixedly connected to the locking block (13).

3. The emulsified asphalt cold recycled pavement structure according to claim 2, characterized in that: A connecting plate (16) is fixedly connected inside the cavity. The end of the round rod (14) away from the locking block (13) slides through the connecting plate (16). The other end of the first spring (15) is fixedly connected to the connecting plate (16).

4. The emulsified asphalt cold recycled pavement structure according to claim 3, characterized in that: A connecting rod (17) is provided inside the cavity. The connecting rod (17) slides through the connecting plate (16), and the top end of the connecting rod (17) slides out of the cavity. A fixing plate (18) is fixedly connected between the connecting rod (17) and the round rod (14). A second spring (19) is sleeved on the connecting rod (17). The two ends of the second spring (19) are fixedly connected to the fixing plate (18) and the inner wall of the cavity, respectively.

5. The emulsified asphalt cold recycled pavement structure according to claim 4, characterized in that: The top of the limiting plate (1) is provided with a circular plate (20), the connecting rod (17) slides through the circular plate (20), the circular plate (20) is provided with a pull plate (21), and the pull plate (21) is rotatably connected to the connecting rod (17).

6. The emulsified asphalt cold recycled pavement structure according to claim 1, characterized in that: The mounting plate (5) is symmetrically fixed with connecting platforms (6), the support plate (3) is rotatably connected to the connecting platforms (6), and multiple mounting blocks (7) are fixedly connected to the mounting plate (5), with screws (8) threadedly connected to the mounting blocks (7).

Citation Information

Patent Citations

  • Anti-deformation emulsified asphalt cold-recycling pavement structure

    CN215800761U