采用 ASA 100H 加强型链条和自动张紧器,适用于水稻和豆类种植。
链传动在南美农业中的战略作用
While heavy clay soils demand gear drives, a significant portion of Brazil’s agricultural output comes from sandy loams (Areia Quartzosa) and rice paddies (Várzea), particularly in Rio Grande do Sul and parts of Bahia. In these environments, the 侧链盒(Caixa de Corrente Lateral) 由于其重量更轻、在中等负载下机械效率更高、且具有成本效益,因此仍然是工程领域的首选。
However, standard industrial chains fail rapidly under the shock loads of agricultural tillage. They stretch, creating “chain slap” that destroys the housing case. EVER-POWER has re-engineered the agricultural chain drive system using ASA 100H 和 ASA 120 加强型滚子链 combined with a proprietary “Floating Shoe” automatic tensioner system. This ensures that our side chain cases deliver 2000 hours of maintenance-free operation, bridging the gap between low-cost generic tillers and premium gear-driven units.
我们针对生产用于蔬菜、水稻和豆类种植的轻型至中型旋耕机(宽度 0.8 米至 2.2 米)的 OEM 制造商的特定需求。
技术规格:SC系列(侧链)
| 范围 | 规格 | 范围 | 规格 |
|---|---|---|---|
| 最大功率输入 | 40 HP – 85 HP (30-63 kW) | 链标准 | ANSI ASA 100H / ASA 120 |
| 链型 | 单面加强型(H系列) | 板材厚度 | 4.8毫米(喷丸处理) |
| 链轮材料 | C45钢(感应淬火) | 牙齿硬度 | HRC 48-52 |
| 输入轴花键 | 六角形 40mm / 45mm | 输出轴轮毂 | 直径 160 毫米 / 180 毫米 |
| 房屋材料 | 冲压钢 Q345 (8mm) | 案例设计 | 流线型焊接或螺栓连接 |
| 张紧器类型 | 自动弹簧鞋 | 鞋材 | 耐磨尼龙 PA66 |
| 润滑 | 半流体润滑脂/油浴 | 容量 | 1.5公斤(润滑脂)/ 1.8升(润滑油) |
| 密封系统 | 卡式密封圈(底部) | 顶部轴承 | 6308-2RS(密封) |
| 底部轴承 | 6310 开式(外壳润滑) | 传动比 | 默认值 1:1.6(可自定义) |
| 工作温度 | -15°C 至 +90°C | 检查口 | 2英寸橡胶塞 |
| 重量(组装) | 35 kg – 45 kg | 画 | 粉末涂层(蓝/黑) |
Engineering the “Chain-Slap” Solution
1. 问题:伸长率
In rotary tillers, the load is pulsating. As the blades hit the soil, the chain tightens; as they exit, it slackens. Over time, the chain rollers wear, causing the chain to “stretch” (elongate). In standard gearboxes, this loose chain starts hitting the side of the steel case, wearing through the metal and causing oil leaks.
2. 解决方案:浮动式鞋底张紧器
EVER-POWER implements a heavy-duty, spring-loaded tensioner arm fitted with a thick Nylon PA66 skid shoe. Unlike fixed tensioners, this system dynamically adjusts to chain slack in real-time. It keeps the chain under constant tension on the slack side, preventing the “whip” effect that destroys sprockets and casings.
3. 冶金:ASA 100H
We do not use standard industrial chain. We specify “H-Series” (Heavy) chain which features 15% thicker side plates. The rollers are solid (not curled), shot-peened to induce compressive stress, helping them resist fatigue failure during the high-cycle impacts of breaking clods.
4. 润滑:润滑脂的优势
For side chain cases, we often recommend “Semi-Fluid Grease” (NLGI 00) instead of gear oil. Grease clings to the chain links even when the machine is stopped, providing instant lubrication at startup. Furthermore, if a small seal leak develops, grease does not drain out as quickly as oil, preventing catastrophic dry-running.
侧链箱与侧变速箱
| 特征 | 侧链传动(SC系列) | 侧齿轮驱动(SG系列) |
|---|---|---|
| 成本效益 | 高(30% 低成本) | 缓和 |
| 重量 | 打火机(冲压外壳) | 较重(铸铁) |
| 减震 | 良好(链条灵活性) | 低(刚性系统) |
| 理想土壤类型 | 沙质/壤质/稻田 | 重粘土/岩石 |
| 维护 | 中等(检查张力) | 低(仅更换机油) |
巴西市场本地化
水稻种植(南里奥格兰德州)
在水稻田(灌溉稻田)中,重量至关重要。过重的变速箱会导致耕耘机下沉。 冲压钢链盒 减少了45公斤的农具总重量,使小型拖拉机能够作业而不会陷车。 卡式密封圈 即使浸入水中,该选项也能防止水渗入。
豆类和园艺(米纳斯吉拉斯州)
对于蔬菜种植者来说,土壤粉碎至关重要。链传动装置可通过轻松改变链轮传动比,实现更高的转子转速(最高可达 300 转/分)。与固定传动比的齿轮传动装置相比,这使得农民能够为豆类(Feijão)和胡萝卜等作物打造更精细的苗床。
📒 Field Engineer’s Log: The Tensioner Retrofit
“Summer 2024. We visited a small farm cooperative in Bahia. They were using 10-year-old Japanese tillers. The original chain cases were welded shut because the chains had slapped through the steel covers. They were manually tensioning chains every morning.”
“We introduced our ‘Bolt-On’ side chain assembly with the automatic floating shoe. The farmers were skeptical about the plastic (Nylon) shoe. But after running 500 hours in sandy soil, we opened the inspection port. The shoe showed only 1mm of wear, and the chain was still tight. The noise reduction was huge. They ordered 50 units for their fleet the next week.”
常见问题解答(OEM/B2B)
1. 链条张紧器多久需要更换一次?
我们的尼龙 PA66 浮动式链条靴设计寿命与链条寿命相同(约 2000 小时)。我们建议每次更换润滑脂/润滑油时都检查链条靴的磨损情况。如果链条靴厚度减少超过 50%,则应更换。
2. 我可以使用标准的 ANSI 100 链条作为替代品吗?
We strongly advise against it. Standard industrial chains are not designed for shock loads. You must use “H” (Heavy) series chains or “Ag-Spec” reinforced chains. Using a standard chain will lead to rapid elongation and likely case damage.
3. 你们单独出售侧箱外壳吗?
是的,对于 OEM 合作伙伴,我们可以提供完整的组件(外壳、链轮、链条、张紧器),或者如果您希望在巴西本地组装,我们也可以只提供冲压外壳。
4. 在这些情况下,润滑脂比润滑油更好吗?
根据我们与巴西农户的合作经验,半流体润滑脂(NLGI 00)性能更佳。即使密封件因缠绕在轴上的铁丝或细绳而损坏,它的泄漏量也更少,并且能提供更好的启动保护。
适用于各种土壤类型的可靠传动装置
从需要齿轮传动的重粘土到适合链条传动的沙壤土,EVER-POWER 都能提供相应的工程解决方案。
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