在道路養(yǎng)護(hù)與改造工程中，冷再生機(jī)銑刨技術(shù)如同一位技藝精湛的 “雕刻師”，將破損老化的舊路面重新塑造，賦予道路新生。這項(xiàng)技術(shù)看似只是對路面的 “切削”，實(shí)則蘊(yùn)含著復(fù)雜的原理、精細(xì)的操作流程與重要的應(yīng)用價(jià)值，在道路建設(shè)領(lǐng)域發(fā)揮著關(guān)鍵作用。

　　In road maintenance and renovation projects, the cold recycling machine milling and planing technology is like a skilled "sculptor", reshaping the damaged and aged old road surface and giving it new life. This technology may seem like just a "cutting" of the road surface, but it actually contains complex principles, precise operating procedures, and important application value, playing a key role in the field of road construction.

　　工作原理：機(jī)械與工藝的巧妙融合

　　Working principle: clever integration of machinery and technology

　　冷再生機(jī)銑刨的核心原理，是通過設(shè)備上高速旋轉(zhuǎn)的銑刨鼓與刀片，對舊路面進(jìn)行切削、破碎。銑刨鼓上均勻分布著多組刀片，這些刀片采用高強(qiáng)度耐磨材料制成，能夠輕松切入瀝青混凝土或水泥混凝土路面。當(dāng)冷再生機(jī)啟動(dòng)后，銑刨鼓在動(dòng)力系統(tǒng)驅(qū)動(dòng)下高速轉(zhuǎn)動(dòng)，刀片與路面接觸時(shí)，利用沖擊力和剪切力將路面材料破碎成小塊。同時(shí)，設(shè)備內(nèi)置的集料裝置會(huì)及時(shí)收集銑刨下來的材料，通過輸送系統(tǒng)傳輸至攪拌裝置。在攪拌過程中，根據(jù)設(shè)計(jì)要求加入適量的穩(wěn)定劑（如水泥、石灰、乳化瀝青等）和水，使舊路面材料與穩(wěn)定劑充分混合，形成具有一定強(qiáng)度和穩(wěn)定性的再生混合料，為后續(xù)的路面鋪設(shè)奠定基礎(chǔ)。

　　The core principle of cold recycling machine milling is to cut and break the old road surface through the high-speed rotating milling drum and blade on the equipment. Multiple sets of blades are evenly distributed on the milling drum, which are made of high-strength wear-resistant materials and can easily cut into asphalt concrete or cement concrete pavement. After the cold recycling machine is started, the milling drum rotates at high speed under the drive of the power system. When the blade comes into contact with the road surface, it uses impact and shear forces to break the road material into small pieces. At the same time, the built-in aggregate device of the equipment will promptly collect the milled materials and transport them to the mixing device through the conveying system. During the mixing process, an appropriate amount of stabilizers (such as cement, lime, emulsified asphalt, etc.) and water are added according to the design requirements to fully mix the old pavement materials with the stabilizers, forming a recycled mixture with certain strength and stability, laying the foundation for subsequent pavement laying.

　　操作流程：步步為營的精準(zhǔn)施工

　　Operation process: Precise construction step by step

　　冷再生機(jī)銑刨施工有著嚴(yán)謹(jǐn)?shù)牟僮髁鞒?。施工前，需對舊路面進(jìn)行全面檢測，了解路面破損程度、結(jié)構(gòu)層厚度等情況，以此確定銑刨深度和施工方案。正式施工時(shí)，操作人員要精準(zhǔn)控制冷再生機(jī)的行駛速度、銑刨深度和進(jìn)料速度。行駛速度過快會(huì)導(dǎo)致銑刨不均勻，過慢則影響施工效率；銑刨深度需嚴(yán)格按照設(shè)計(jì)要求執(zhí)行，誤差控制在極小范圍內(nèi)，確保再生層厚度符合標(biāo)準(zhǔn)；進(jìn)料速度要與攪拌裝置的處理能力相匹配，避免材料堆積或供應(yīng)不足。在銑刨過程中，還需實(shí)時(shí)監(jiān)測設(shè)備的運(yùn)行狀態(tài)，如發(fā)動(dòng)機(jī)轉(zhuǎn)速、刀片磨損情況等，發(fā)現(xiàn)問題及時(shí)停機(jī)處理。完成銑刨和攪拌后，再生混合料會(huì)被運(yùn)輸至指定位置進(jìn)行攤鋪、壓實(shí)，最終形成新的路面結(jié)構(gòu)層。

　　The cold recycling machine milling and planing construction has a rigorous operation process. Before construction, a comprehensive inspection of the old road surface is required to understand the degree of road damage, structural layer thickness, etc., in order to determine the milling depth and construction plan. During formal construction, operators should accurately control the driving speed, milling depth, and feeding speed of the cold recycling machine. Driving too fast can lead to uneven milling, while driving too slow can affect construction efficiency; The milling depth must be strictly executed according to the design requirements, with errors controlled within a very small range, to ensure that the thickness of the regeneration layer meets the standards; The feeding speed should match the processing capacity of the mixing device to avoid material accumulation or insufficient supply. During the milling process, it is also necessary to monitor the operating status of the equipment in real time, such as engine speed, blade wear, etc., and promptly shut down and handle any problems found. After milling and mixing, the recycled mixture will be transported to the designated location for paving and compaction, ultimately forming a new pavement structure layer.

　　技術(shù)優(yōu)勢：多重效益的集中體現(xiàn)

　　Technological advantage: concentrated manifestation of multiple benefits

　　冷再生機(jī)銑刨技術(shù)具有顯著的優(yōu)勢。從經(jīng)濟(jì)效益來看，它能將舊路面材料循環(huán)利用，大幅減少新材料的采購量，降低工程成本。據(jù)統(tǒng)計(jì)，采用該技術(shù)可節(jié)約 30% - 50% 的材料費(fèi)用。在環(huán)保方面，減少了舊路面材料的廢棄和填埋，降低了對自然資源的開采和建筑垃圾的產(chǎn)生，符合綠色施工理念。同時(shí)，冷再生機(jī)銑刨施工無需對路面進(jìn)行加熱處理，相比傳統(tǒng)的熱再生技術(shù)，能耗更低，碳排放更少。在施工效率上，冷再生機(jī)銑刨可實(shí)現(xiàn)銑刨、破碎、攪拌等多道工序一體化作業(yè)，施工速度快，工期短，能最大限度減少對交通的影響，特別適合城市道路的養(yǎng)護(hù)與改造。

　　Cold recycling machine milling technology has significant advantages. From an economic perspective, it can recycle old pavement materials, significantly reduce the procurement of new materials, and lower engineering costs. According to statistics, adopting this technology can save 30% -50% of material costs. In terms of environmental protection, it reduces the waste and landfill of old road materials, lowers the exploitation of natural resources and the generation of construction waste, which is in line with the concept of green construction. At the same time, cold recycling machine milling construction does not require heating treatment of the road surface, which is lower in energy consumption and carbon emissions compared to traditional hot recycling technology. In terms of construction efficiency, cold recycling machine milling can achieve integrated operation of multiple processes such as milling, crushing, and mixing, with fast construction speed and short construction period, which can minimize the impact on traffic and is particularly suitable for the maintenance and renovation of urban roads.

　　應(yīng)用場景：道路改造的 “多面手”

　　Application scenario: "Multi skilled" in road renovation

　　冷再生機(jī)銑刨技術(shù)適用范圍廣泛。在城市道路的日常養(yǎng)護(hù)中，可針對局部破損、車轍嚴(yán)重的路段進(jìn)行銑刨修復(fù)，恢復(fù)路面平整度和行車舒適性。對于舊路改造升級工程，無論是將低等級道路改建為高等級道路，還是對道路結(jié)構(gòu)層進(jìn)行調(diào)整，冷再生機(jī)銑刨都能高效處理舊路面材料，為新路面的鋪設(shè)創(chuàng)造條件。此外，在鄉(xiāng)村公路建設(shè)中，該技術(shù)能充分利用當(dāng)?shù)噩F(xiàn)有的道路材料，降低建設(shè)成本，加快施工進(jìn)度，助力農(nóng)村交通基礎(chǔ)設(shè)施的改善。

　　The cold recycling machine milling technology has a wide range of applications. In the daily maintenance of urban roads, milling and repairing can be carried out on sections with local damage and severe ruts to restore road surface smoothness and driving comfort. For the renovation and upgrading of old roads, whether it is converting low-grade roads into high-grade roads or adjusting road structural layers, cold recycling machine milling can efficiently process old pavement materials and create conditions for the laying of new pavement. In addition, in rural road construction, this technology can fully utilize the existing road materials in the local area, reduce construction costs, accelerate construction progress, and help improve rural transportation infrastructure.

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