Structure of paving machine screed

By designing a detachable kit under the bottom plate of the paver screed, the raised structure improves paving density and smoothness, solving the problems of low compaction and high replacement cost of traditional paver screeds, and achieving efficient maintenance and high-quality paving.

CN224548907UActive Publication Date: 2026-07-24SHANTUI CONSTR MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANTUI CONSTR MASCH CO LTD
Filing Date
2025-09-04
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Traditional paver screeds have low density, severe segregation, and high replacement costs, which affect paving quality and maintenance convenience.

Method used

Design a paver screed structure including a base plate and a detachable kit. The kit has evenly distributed protrusions on its underside, which are fixed by bolts. The front end of the kit has an inverted triangular protrusion, and the middle end has a diamond-shaped protrusion, which is used for kneading and mixing to improve density and smoothness.

Benefits of technology

This has resulted in reduced maintenance costs, increased paving density and smoothness, and improved paving quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224548907U_ABST
    Figure CN224548907U_ABST
Patent Text Reader

Abstract

The utility model discloses a paving machine ironing plate structure, including bottom plate, still including the kit, the kit fixed connection bottom plate below, the kit can dismantle replacement, and the kit front end and middle part are provided with inverted triangular type convex and rhombus convex, and the kit can reduce maintenance cost, and the kit convex can play knead mixing action and can increase paving density and provide better smoothness.
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Description

Technical Field

[0001] This utility model relates to the field of road construction equipment technology, and in particular to the screed structure of a paver. Background Technology

[0002] Traditional screeds for pavers use integral wear-resistant plates (such as NM400 steel plates) as their base plates, which have the following drawbacks: Low density: The plate structure results in high resistance to material flow, making it difficult for air gaps to be expelled; Severe segregation: Material moves laterally under the base plate, resulting in uneven aggregate distribution; High replacement cost: The entire wear-resistant base plate needs to be replaced after it wears out, leading to high material and labor costs.

[0003] Although increasing the thickness of the base plate (16-20mm) can extend its service life, the increased weight leads to a decrease in adjustment efficiency; therefore, there is an urgent need for an improved solution that balances paving quality, wear resistance and ease of maintenance. Summary of the Invention

[0004] In view of the above-mentioned shortcomings of the existing technology, the present invention aims to solve the problems of paving quality, wear resistance and ease of maintenance.

[0005] To solve the above technical problems, a paver screed structure is designed, including a base plate and a kit. The kit is fixedly connected to the bottom of the base plate and can be disassembled and replaced, which reduces the overall cost compared to a complete set of wear-resistant plates.

[0006] The lower part of the kit has evenly distributed protrusions at the front center, the rear end of the kit is flat, and the front protrusion of the kit is a horizontal inverted triangular protrusion.

[0007] The central protrusion of the kit is a diamond-shaped protrusion in the horizontal direction. The protrusion is tapered with a high center and low periphery. The kit is made of a wear-resistant plate with a thickness of not less than 4mm. The kit is fixed to the base plate with bolts.

[0008] The advantages of this application are: replaceable kits reduce maintenance costs, and the raised parts of the kits can knead and mix, increasing paving density and providing better smoothness. Attached Figure Description

[0009] Figure 1 It's a picture of an ironing board.

[0010] As shown in the diagram: 1-Base plate; 2-Kit; 3-Rhombus-shaped protrusion; 4-Inverted triangle-shaped protrusion; 5-Bolt. Detailed Implementation

[0011] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. A paver screed structure includes a base plate 1 and a kit 2. The kit 2 is fixedly connected to the bottom of the base plate 1. The kit 2 can be disassembled and replaced by bolts 5, which reduces the overall cost compared to a complete set of wear-resistant plates.

[0012] The front middle section of the lower part of the kit 2 has evenly distributed protrusions, the rear end of the kit 2 is flat, and the horizontal direction of the front protrusion of the kit 2 is an inverted triangular protrusion 4.

[0013] The middle protrusion of the kit 2 is a diamond-shaped protrusion 3 in the horizontal direction. The protrusion is a cone shape with a high center and low periphery. The kit 2 is a wear-resistant plate with a thickness of not less than 4mm. The kit 2 is fixed to the base plate 1 by bolts.

[0014] When the screed of the paver is working, the material first enters from the front end of the kit 2 and is squeezed by the inverted triangular protrusion 4, then kneaded by the diamond protrusion 3. Then the rear end of the kit 2 is flat to level the material, making the paving surface denser and smoother.

[0015] When kit 2 is severely worn, remove bolt 5 to replace it with a new kit and install it on base plate 1, thus saving costs.

Claims

1. A paver screed structure, comprising a base plate, characterized in that: It also includes a kit that is fixedly attached to the underside of the base plate.

2. The paver screed structure according to claim 1, characterized in that: The front and middle sections of the lower part of the kit have evenly distributed protrusions, while the rear end of the kit is flat.

3. The paver screed structure according to claim 2, characterized in that: The front protrusion of the kit is a horizontal inverted triangle shape.

4. The paver screed structure according to claim 2, characterized in that: The horizontal protrusion at the middle of the kit is a diamond shape.

5. The paver screed structure according to claim 2, characterized in that: The protrusion is cone-shaped, with a high center and low edges.

6. The paver screed structure according to claim 1, characterized in that: The kit is made of a wear-resistant plate with a thickness of not less than 4mm.

7. The paver screed structure according to claim 1, characterized in that: The kit is secured to the base plate with bolts.