Asphalt pavement lap joint structure

The combined design of rectangular connecting plates and fixed plates solves the problems of insufficient structural strength and inconvenient thickness adjustment of asphalt pavement joints, improves the stability and strength of the pavement joints, and enhances construction efficiency and practicality.

CN223423058UActive Publication Date: 2025-10-10苏州三创路面工程有限公司
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Patent Information

Application Number
CN202422951270.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-10
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The existing asphalt pavement overlap structure has low strength, is prone to dislocation, and cannot adjust the width of the overlap structure according to the thickness of the road base, making it less practical.

Method used

A combination structure of rectangular connecting plates and fixed plates is adopted. The T-shaped grooves and screw holes are designed to achieve a stable connection between the connecting plates and the fixed plates, thereby increasing the stability and strength of the road base layer. The embedded plates enhance the tightness of the connection and support the adjustment of road base layers of different thicknesses.

Benefits of technology

It improves the structural strength and stability of the pavement joints, reduces cracks and rutting problems, enhances the overall bearing capacity of the pavement, and improves construction efficiency and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an asphalt pavement lap joint structure, relates to the technical field of pavement structures, and solves the problems that the structural strength of a pavement lap joint cannot be effectively increased, so that two roadbed layers are easy to misplace, certain limitation exists, the width of the lap joint structure cannot be adjusted according to the thickness of the roadbed layers, and the service life of the asphalt pavement lap joint structure is prolonged. And the practicability is low. The asphalt pavement lap joint structure comprises a connecting plate; the connecting plate is of a rectangular plate structure, and a T-shaped groove structure is formed in the bottom of the connecting plate. The left side and the right side of the upper end and the lower end of the connecting plate are each fixedly provided with a mounting plate of a rectangular plate structure, and the tops of the front side and the rear side of each mounting plate are each provided with a through screw hole structure. The fixing plate provides an additional supporting effect, so that the strength of the connection part of the roadbed layer is enhanced, and the overall bearing capacity of the pavement is improved; and different installation and use requirements are met, and the flexibility and practicability of the device are improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of pavement structures, and more specifically, relates to an asphalt pavement overlap structure. Background Art

[0002] With the increase of highway traffic volume, when the highway traffic volume is oversaturated, serious congestion will occur. In order to solve this problem, two approaches are usually adopted. One is to build a new road, and the other is to widen and renovate the original road. Since the investment in new roads is huge and the economic benefits have yet to be tested, the current approach is to widen the highway road surface. In the construction process of widening the highway road surface, specifically when widening the asphalt road surface, it is necessary to overlap the new and old asphalt road surfaces. When overlapping the asphalt road surface, the road surface is usually milled first, and a certain width is planed to form a clearly layered fault, and the corresponding new road structure is overlapped at the corresponding fault.

[0003] The current pavement overlap structure still has the following deficiencies:

[0004] The current pavement overlap structure is usually of low strength and cannot effectively increase the structural strength of the pavement overlap, resulting in easy misalignment between the two road base layers. It has certain limitations and cannot adjust the width of the overlap structure according to the thickness of the road base layer, making it less practical. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an asphalt pavement overlap structure to solve the problem raised in the above background technology that the current pavement overlap structure is usually of low strength and cannot effectively increase the structural strength of the pavement overlap, resulting in easy misalignment between the two road base layers, has certain limitations, and cannot adjust the width of the overlap structure according to the thickness of the road base layer, and has low practicality.

[0006] The purpose and effect of the asphalt pavement overlap structure of the utility model are achieved by the following specific technical means:

[0007] An asphalt pavement overlap structure includes: a connecting plate; the connecting plate adopts a rectangular plate structure, and a T-shaped groove structure is provided at the bottom of the connecting plate; a group of rectangular plate mounting plates are fixedly provided on the left and right sides of the upper and lower ends of the connecting plate, and a group of through-type screw hole structures are provided on the top of the front and rear sides of the mounting plate.

[0008] Furthermore, a first connecting block is fixedly connected in the middle of the top of the connecting plate, and the first connecting block adopts a T-shaped block structure, and the outer wall of the first connecting block fits with the inner wall of the T-shaped groove at the bottom of the connecting plate; a group of mounting bolts are arranged in the screw holes of the mounting plate through threaded cooperation and rotation.

[0009] Further, the upper and lower sides of the connecting plate are fixedly connected with a group of rectangular plate structure fixed plates, four groups of through screw hole structures are arranged in a rectangular array on the top of the fixed plate, and a T-shaped groove structure is arranged on the bottom of the fixed plate; a second connecting block of T-shaped block structure is fixedly connected to the top of the fixed plate, and the outer wall of the second connecting block is attached to the inner wall of the T-shaped groove at the bottom of the fixed plate; two groups of rectangular plate structure embedded plates are fixedly arranged on the two sides of the fixed plate.

[0010] Further, the two sides of the connecting plate are connected with a group of roadbed layers.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] In the application, the stability of the connecting part of the two roadbed layers is increased by the cooperation of the connecting plate and the fixed plate, the cracks and ruts caused by the joints are reduced, the fixed plate provides additional support, the strength of the connecting part of the roadbed layer is enhanced, the overall load bearing capacity of the road surface is improved, and the connection strength and stability of the fixed plate and the roadbed layer are increased by the embedded plate.

[0013] Through the combined connection of multiple connecting plates, different thicknesses of roadbed layers can be adjusted to meet different installation and use requirements, improve the flexibility and practicality of the device, and the standardized design and modular components make the construction process more efficient, reduce the on-site construction time and labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the overall front view structure schematic diagram of the utility model.

[0015] Figure 2 is the overall axial view structure schematic diagram of the utility model.

[0016] Figure 3 is the overall axial view structure schematic diagram of the utility model in the split state.

[0017] Figure 4 is the axial view structure schematic diagram of the connecting plate assembly in the series connection state of the utility model.

[0018] In the drawing, the correspondence between the component name and the drawing number is:

[0019] 1, connecting plate; 101, mounting plate; 102, first connecting block; 103, mounting bolt; 104, fixed plate; 105, second connecting block; 106, embedded plate; 107, roadbed layer. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples.

[0021] Example 1

[0022] As shown in the accompanying Figure 1 to the accompanying Figure 4 As shown in the accompanying

[0023] The utility model provides a bituminous pavement lap joint structure, include: connecting plate 1, connecting plate 1 adopts rectangular plate structure, and the bottom of connecting plate 1 is equipped with T-shaped recess structure, the left and right sides of the upper and lower ends of connecting plate 1 are fixedly provided with a group of rectangular plate structure's mounting plate 101, and the front and rear sides of mounting plate 101 are all equipped with a group of through -type screw hole structure on the top.

[0024] Among them, the upper and lower sides of connecting plate 1 are fixedly connected and are provided with a group of rectangular plate structure's fixed plate 104, and the top of fixed plate 104 is equipped with four groups of through -type screw hole structure in rectangular array, and the bottom of fixed plate 104 is equipped with T-shaped recess structure, the top of fixed plate 104 is fixedly connected and is provided with the second connecting block 105 of T-shaped block structure, and the outer wall of second connecting block 105 is pasted with the inner wall of the T-shaped recess of the bottom of fixed plate 104, the both sides of fixed plate 104 are fixedly provided with two groups of rectangular plate structure's embedded plate 106.

[0025] Among them, the both sides of connecting plate 1 are connected and are provided with a group of roadbed layer 107.

[0026] The specific use mode and function of the embodiment:

[0027] When using, two groups of fixed plate 104 are placed to the upper and lower sides of connecting plate 1 respectively, the first connecting block 102 of connecting plate 1 upside is inserted into the T-shaped recess in the bottom of the upper group of mounting plate 101, the T-shaped recess below connecting plate 1 is connected with the second connecting block 105 on the lower group of fixed plate 104, at this moment, the screw hole on each group of mounting plate 101 is aligned with the screw hole on the upper and lower groups of fixed plate 104 respectively, then each group of mounting plate 101 and two groups of fixed plate 104 are fixedly connected by mounting bolt 103, so that the fixed connection of connecting plate 1 and two groups of fixed plate 104 is completed, connecting plate 1 is placed in the middle of two groups of roadbed layer 107, so that the both sides of two groups of fixed plate 104 are fixedly connected with the both sides of roadbed layer 107 respectively, and each group of embedded plate 106 is embedded in the roadbed layer 107 on the both sides respectively, so as to increase the connection tightness of fixed plate 104 and roadbed layer 107, the stability of the connecting place of two end roadbed layer 107 can be increased through the cooperation effect of connecting plate 1 and two groups of fixed plate 104, the strength of the connecting place of roadbed layer 107 can be increased through the supporting effect provided by two groups of fixed plate 104.

[0028] Example 2:

[0029] On the basis of Example 1, as shown in the attached Figure 1 To the attached Figure 4 As shown:

[0030] Among them, a first connecting block 102 is fixedly connected to the middle of the top of the connecting plate 1, and the first connecting block 102 adopts a T-shaped block structure, and the outer wall of the first connecting block 102 fits with the inner wall of the T-shaped groove at the bottom of the connecting plate 1; a group of mounting bolts 103 are rotated and arranged in the screw holes of the mounting plate 101 through threaded cooperation.

[0031] The specific usage and function of this embodiment are as follows:

[0032] In the present invention, during the installation process, if the thickness of the roadbed 107 is relatively thick, two or more groups of connecting plates 1 can be combined and connected to increase the height of the connecting plates 1, and the first connecting block 102 on the lower group of connecting plates 1 is inserted into the T-shaped groove at the bottom of the upper group of connecting plates 1, and then the mounting plates 101 on both sides of the top of the lower group of connecting plates 1 and the mounting plates 101 on both sides of the bottom of the lower group of connecting plates 1 are fixedly connected by mounting bolts 103, so that the upper and lower groups of connecting plates 1 are fixed in series, thereby completing the fixed installation process of the two groups of connecting plates 1, so that it can be adjusted according to the roadbed 107 of different thicknesses to meet different installation and use needs, thereby improving the practicality of the device.

Claims

1. An asphalt pavement overlap structure, characterized in that: include: A connecting plate (1); the connecting plate (1) adopts a rectangular plate structure, and a T-shaped groove structure is provided at the bottom of the connecting plate (1); a group of mounting plates (101) of rectangular plate structure are fixedly provided on the left and right sides of the upper and lower ends of the connecting plate (1), and a group of through-type screw hole structures are provided on the tops of the front and rear sides of the mounting plate (101).

2. The asphalt pavement overlap structure according to claim 1, characterized in that: A first connecting block (102) is fixedly connected to the middle of the top of the connecting plate (1), and the first connecting block (102) adopts a T-shaped block structure, and the outer wall of the first connecting block (102) fits with the inner wall of the T-shaped groove at the bottom of the connecting plate (1).

3. The asphalt pavement overlap structure according to claim 1, characterized in that: A group of mounting bolts (103) are rotatably arranged in the screw holes of the mounting plate (101) through threaded engagement.

4. The asphalt pavement overlap structure according to claim 1, characterized in that: A set of rectangular plate-structured fixing plates (104) are fixedly connected to the upper and lower sides of the connecting plate (1); the top of the fixing plate (104) is provided with four groups of through-type screw hole structures in a rectangular array, and the bottom of the fixing plate (104) is provided with a T-shaped groove structure.

5. The asphalt pavement overlap structure according to claim 4, characterized in that: A second connecting block (105) with a T-shaped block structure is fixedly connected to the top of the fixing plate (104), and the outer wall of the second connecting block (105) fits with the inner wall of the T-shaped groove at the bottom of the fixing plate (104).

6. The asphalt pavement overlap structure according to claim 4, characterized in that: Two sets of embedded plates (106) with rectangular plate structures are fixedly arranged on both sides of the fixed plate (104).

7. The asphalt pavement overlap structure according to claim 1, characterized in that: A set of roadbed layers (107) are connected to both sides of the connecting plate (1).