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CN-224227597-U - High wear-resisting plastic course of multilayer composite construction

CN224227597UCN 224227597 UCN224227597 UCN 224227597UCN-224227597-U

Abstract

The utility model discloses a high-wear-resistance plastic track with a multilayer composite structure, which belongs to the technical field of plastic tracks and comprises a cement foundation, wherein an embedded part is arranged in the cement foundation, a metal bottom plate, a first metal drainage ditch and a second metal drainage ditch are arranged above the cement foundation, the first metal drainage ditch is fixedly connected with the outer side of the metal bottom plate, the second metal drainage ditch is fixedly connected with the inner side of the metal bottom plate, and a cement thickening layer, a waterproof primer, an elastic particle layer, a PU elastic layer and a polyurethane surface layer are sequentially paved above the metal bottom plate. Through the setting of built-in fitting and metal bottom plate, can carry out quick leveling to the laying of this runway and handle, not only improve its efficiency of laying, through sheet metal's wholeness and high strength, can also effectively guarantee its horizontality of laying the benchmark to avoid leading to the track to appear the crack because of local subsidence etc. and then ensure the wholeness of runway, can improve its wearability.

Inventors

  • Zheng Ziyou
  • CHEN JICHAO
  • ZHAO JIANPU

Assignees

  • 河南赛音新材料有限公司

Dates

Publication Date
20260512
Application Date
20250605

Claims (6)

  1. 1. The high wear-resistant plastic runway with the multilayer composite structure is characterized by comprising a cement foundation (1), wherein an embedded part (2) is arranged in the cement foundation (1), a metal bottom plate (3), a first metal drainage ditch (4) and a second metal drainage ditch (5) are arranged above the cement foundation (1), the top end of the embedded part (2) penetrates above the metal bottom plate (3), the first metal drainage ditch (4) is fixedly connected to the outer side of the metal bottom plate (3), a second metal drainage ditch (5) is fixedly connected to the inner side of the metal bottom plate (3), a filter screen (6) is arranged on one side, close to the metal bottom plate (3), of the first metal drainage ditch (4) and the second metal drainage ditch (5), a drain pipe (7) is connected in a penetrating mode, and a cement thickening layer (9), a waterproof primer (10), an elastic particle layer (11), a PU elastic layer (12) and a polyurethane surface layer (13) are sequentially paved above the metal bottom plate (3).
  2. 2. The multilayer composite structured high wear-resistant plastic runway according to claim 1, wherein the top of the vertical end of the embedded part (2) is of an external thread structure, a nut is connected to the external thread of the external thread structure, and the nut is abutted to the upper surface of the metal bottom plate (3).
  3. 3. The multilayer composite structured high wear-resistant plastic runway according to claim 1, wherein casting holes are formed between the metal bottom plates (3) corresponding to the adjacent embedded parts (2), and a concrete filling layer is cast between the casting holes and the cement foundation (1) at high pressure.
  4. 4. The multilayer composite structure's high wear-resisting plastic course of claim 1, wherein the inside bottom of first metal escape canal (4) and second metal escape canal (5) all is the arc structure, and arc structure minimum corresponds drain pipe (7) and be the link up form, the top of first metal escape canal (4) and second metal escape canal (5) is the step form to inboard, and lock has escape canal apron (8) between first metal escape canal (4) and the second metal escape canal (5).
  5. 5. A highly abrasion-resistant plastic course of multilayer composite structure according to claim 1 characterized in that the upper surface of the waterproof primer (10) is above the bottommost surface of the filter mesh (6) and the edges of the waterproof primer (10) cover the gaps between the cement thickening layer (9) and the first metal drainage ditch (4) and between the cement thickening layer (9) and the second metal drainage ditch (5).
  6. 6. A high wear-resistant plastic course with a multilayer composite structure as set forth in claim 4, wherein the upper surface of said polyurethane surface layer (13) is at the same level as the upper surfaces of the first metal drainage ditch (4) and the second metal drainage ditch (5), and the upper surface of the drainage ditch cover plate (8) is also at the same level as the upper surface of the polyurethane surface layer (13).

Description

High wear-resisting plastic course of multilayer composite construction Technical Field The utility model relates to the technical field of plastic tracks, in particular to a high-wear-resistance plastic track with a multilayer composite structure. Background The plastic track material consists of polyurethane prepolymer, mixed polyether, waste tire rubber, EPDM rubber particles or PU particles, pigment, auxiliary agent and filler, has the characteristics of good flatness, high compressive strength, proper hardness and elasticity and stable physical property, is favorable for the exertion of athlete speed and technology, effectively improves the athletic performance, reduces the drop injury rate, and is made of polyurethane rubber and other materials, has certain elasticity and color, has certain ultraviolet resistance and aging resistance, and is the internationally recognized optimal all-weather outdoor athletic field terrace material commonly used for playground tracks. The abrasion resistance of the existing plastic track is directly affected by construction quality, basic treatment is one of key links for guaranteeing the service life of the track, two sides of the existing track cannot extrude and position paving materials of the existing track, so that the edges of the existing track deform due to local collapse and the like, meanwhile, the foundation level technology is poor, the paving level of the existing track cannot be guaranteed, local cracks of the track are easily caused, foaming, cracking, delamination and the like of the track are caused in the using process, the abrasion resistance of the runway is reduced, and the service life of the runway is shortened. Therefore, the utility model provides a high wear-resistant plastic track with a multi-layer composite structure, so as to solve the problems. Disclosure of utility model The utility model provides a high-wear-resistance plastic track with a multilayer composite structure, and aims to solve the problems in the background art. In order to achieve the purpose, the technical scheme is that the high-wear-resistance plastic track with the multilayer composite structure comprises a cement foundation, an embedded part is arranged in the cement foundation, a metal base plate, a first metal drainage ditch and a second metal drainage ditch are arranged above the cement foundation, the top end of the embedded part penetrates through the metal base plate, the first metal drainage ditch is fixedly connected to the outer side of the metal base plate, the second metal drainage ditch is fixedly connected to the inner side of the metal base plate, filter screens are arranged on one sides, close to the metal base plate, of the first metal drainage ditch and the second metal drainage ditch, drain pipes are connected to the bottoms of the first metal drainage ditch and the second metal drainage ditch in a penetrating mode, and a cement thickening layer, a waterproof primer, an elastic particle layer, a PU elastic layer and a polyurethane surface layer are sequentially paved above the metal base plate. As a preferable technical scheme of the application, the top of the vertical end of the embedded part is of an external thread structure, a nut is connected with the external thread of the external thread structure in a threaded manner, and the nut is abutted against the upper surface of the metal bottom plate. As a preferable technical scheme of the application, pouring holes are formed between the metal bottom plate and the adjacent embedded parts correspondingly, and a concrete filling layer is poured between the pouring holes and the cement foundation under high pressure. As an optimized technical scheme of the application, the inner bottom ends of the first metal drainage ditch and the second metal drainage ditch are of arc structures, the lowest point of the arc structures corresponds to the drain pipe and is in a through shape, the top ends of the first metal drainage ditch and the second metal drainage ditch are in a step shape inwards, and a drain cover plate is buckled between the first metal drainage ditch and the second metal drainage ditch. As a preferable technical scheme of the application, the upper surface of the waterproof primer is positioned above the bottommost surface of the filter screen, and the edges of the waterproof primer cover gaps between the cement thickening layer and the first metal drainage ditch and between the cement thickening layer and the second metal drainage ditch. As a preferable technical scheme of the application, the upper surface of the polyurethane surface layer and the upper surfaces of the first metal drainage ditch and the second metal drainage ditch are in the same horizontal plane, and the upper surface of the drainage ditch cover plate and the upper surface of the polyurethane surface layer are also in the same horizontal plane. The beneficial effects of the utility model are as follows: 1. According to the