WO2017016077A1 - 一种耐腐蚀的带轮毂套的轮毂 - Google Patents

一种耐腐蚀的带轮毂套的轮毂 Download PDF

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Publication number
WO2017016077A1
WO2017016077A1 PCT/CN2015/092647 CN2015092647W WO2017016077A1 WO 2017016077 A1 WO2017016077 A1 WO 2017016077A1 CN 2015092647 W CN2015092647 W CN 2015092647W WO 2017016077 A1 WO2017016077 A1 WO 2017016077A1
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WIPO (PCT)
Prior art keywords
hub
corrosion
resistant
cavity
sleeve
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PCT/CN2015/092647
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English (en)
French (fr)
Inventor
倪君铭
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南通大通宝富风机有限公司
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Publication of WO2017016077A1 publication Critical patent/WO2017016077A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps

Definitions

  • the present invention relates to a centrifugal fan, and in particular to a corrosion-resistant hub with a hub sleeve.
  • the centrifugal fan is widely used in the ventilation of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air intake of boilers and industrial furnaces. Cooling and ventilation in air conditioning equipment and household appliances, drying and sorting of grains, all reflect the importance of centrifugal fans. It also focuses on the application of special-purpose fans, such as anti-corrosion fans, which are special in materials such as stainless steel fans, fiberglass fans, plastic fans, titanium fans and metal-lined fans.
  • the hub is an important part connecting the impeller and the main shaft.
  • the traditional hub conveys corrosive medium, it is difficult to ensure that the shaft head of the main shaft is not damaged.
  • the joint between the main shaft and the seal is worn, often needs to be replaced, and the cost is high.
  • a corrosion-resistant hub with a hub sleeve includes a hub fixed to the main shaft by a shaft head block and a round nut, a front side of the hub is provided with a cavity, the shaft head block and the circle A nut is disposed in the cavity, the cavity is sealed by a pressure plate, a sealing portion is disposed outside the hub, and a hub sleeve is disposed between the hub and the sealing portion.
  • a rubber pad is disposed between the pressure plate and the cavity to seal a gap between the pressure plate and the cavity.
  • the rubber mat is an EPDM rubber mat
  • the hub sleeve is detachably sleeved and fixed to the hub.
  • the sealing portion is a stationary member.
  • the pressure plate is made of stainless steel.
  • the hub sleeve is made of corrosion-resistant stainless steel.
  • the invention has novel design and simple structure, and a cavity is arranged in front of the hub for accommodating the shaft round nut when the main shaft and the hub are connected, thereby effectively avoiding contact between the shaft head and the corrosive gas, and ensuring normal operation of the fan volume;
  • the present invention prevents the seal portion from being in direct contact with the hub for a long time by the addition of the hub sleeve, thereby causing the seal portion and the hub.
  • the wear and tear, resulting in frequent replacement of the hub, cost savings, and the replacement of the hub sleeve is simpler and more convenient.
  • Figure 1 is a schematic view of the overall structure.
  • the figures indicate: 1, hub, 2, sealing part, 3, hub sleeve, 4, cavity, 5, rubber pad, 6, shaft head block, 7, round nut, 8, pressure plate.
  • a corrosion-resistant hub with a hub sleeve includes a hub 1 for connecting a main shaft and an impeller.
  • the hub 1 is generally made of corrosion-resistant stainless steel, and the hub 1 is passed through a shaft stopper 6 and The round nut 7 is fixed on the main shaft, and the front side of the hub 1 is provided with a cavity 4, and the shaft head block 6 and the round nut 7 are disposed in the cavity 4 because the main shaft and the circle
  • the nut 7 and the sleeve stopper 6 are made of ordinary materials and have no corrosion resistance, so the cavity 4 is sealed by a pressure plate 8 which is made of stainless steel and which is resistant to corrosive gas and the hub cavity.
  • the sealing portion 2 is selected from a corrosion-resistant material, generally stainless steel, to effectively prevent gas leakage, the hub 1 and the A hub sleeve 3 is disposed between the sealing portions 2, and the hub sleeve 3 is made of corrosion-resistant stainless steel material to protect the hub 1 from corrosion by corrosive gas.
  • the hub sleeve 3 is detachably sleeved and fixed.
  • the hub 1 is closely engaged with the hub sleeve 3, and since the hub 1 is a rotating member, and the sealing portion 2 is a stationary member, the hub 1 will rotate continuously when the hub 1 is rotated.
  • the sealing portion 2 generates friction, and the long-term friction causes the contact surface of the hub 1 and the sealing portion 2 to wear, which affects the airtightness, and the hub 1 is detachably sleeved and mounted on the hub 1 3, preventing the hub 1 from directly connecting with the sealing portion 2 to generate friction, causing damage to the component, and the hub sleeve 3 is non-fixedly disposed on the hub 1, so that the hub sleeve 3 can be periodically replaced.
  • the cost of replacing the hub 1 is lower than before, and the replacement is convenient.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

一种耐腐蚀的带轮毂套（3）的轮毂（1），包括轮毂（1），所述轮毂（1）通过轴头挡块（6）与圆螺母（7）固定在主轴上，所述轮毂（1）的前方设有腔体（4），所述轴头挡块（6）与所述圆螺母（7）设置在所述腔体（4）内，所述腔体（4）通过压板（8）密封，所述轮毂（1）外设置密封部（2），所述轮毂（1）与所述密封部（2）之间设有轮毂套（3）。该轮毂（1）结构简单，通过在轮毂（1）前方设置一腔体（4），用于容纳主轴与轮毂（1）连接时的轴头圆螺母（7），有效地避免了轴头与腐蚀气体的接触，保证风机的正常运行。

Description

一种耐腐蚀的带轮毂套的轮毂 技术领域
本发明涉及离心风机，具体涉及的是一种耐腐蚀的带轮毂套的轮毂。
背景技术
离心风机的主要结构部件是叶轮，机壳，主轴及轴盘，离心风机广泛用于工厂、矿井、隧道、冷却塔、车辆、船舶和建筑物的通风，锅炉和工业炉窑的通风和引风，空气调节设备和家用电器设备中的冷却和通风，谷物的烘干和选送，这些都体现了离心风机的重要性。还重点应用特殊用途的通风机，如防腐风机等，这类风机在材质上较为特殊，如不锈钢风机、玻璃钢风机、塑料风机、钛材风机以及金属衬胶风机。
轮毂是连接叶轮和主轴的一个重要部件，传统轮毂在输送易腐蚀的介质时，很难保证主轴的轴头不受损伤，主轴与密封件结合处存在磨损，经常需要更换，成本较高。
发明内容
本发明的目的在于克服现有技术存在的以上问题，提供一种耐腐蚀的带轮毂套的轮毂，有效地防止轴头与腐蚀气体接触。
为实现上述技术目的，达到上述技术效果，本发明通过以下技术方案实现：
一种耐腐蚀的带轮毂套的轮毂，包括轮毂，所述轮毂通过轴头挡块与圆螺母固定在主轴上，所述轮毂的前方设有腔体，所述轴头挡块与所述圆螺母设置在所述腔体内，所述腔体通过压板密封，所述轮毂外设置密封部，所述轮毂与所述密封部之间设有轮毂套。
作为优化的，所述压板与所述腔体之间设有橡胶垫来密封所述压板与所述腔体之间的缝隙。
作为优化的，所述橡胶垫为三元乙丙橡胶垫
作为优化的，所述轮毂套可拆卸地套设固定在所述轮毂上。
作为优化的，所述密封部为静止件。
作为优化的，所述压板为不锈钢材质。
作为优化的，所述轮毂套的材质为耐腐蚀不锈钢。
本发明的有益效果是:
本发明设计新颖，结构简单，通过在轮毂前方设置一腔体，用于容纳主轴与轮毂连接时的轴头圆螺母，有效地避免了轴头与腐蚀气体的接触，保证风机额正常运行；
而且本发明通过增设轮毂套，防止了密封部与轮毂长期地直接接触而造成密封部和轮毂 的磨损，而导致经常更换轮毂，节省成本，而且更换轮毂套更简单方便。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1整体结构示意图。
图中标号说明：1、轮毂，2、密封部，3、轮毂套，4、腔体，5、橡胶垫，6、轴头挡块，7、圆螺母，8、压板。
具体实施方式
下面将参考附图并结合实施例，来详细说明本发明。
参照图1所示，一种耐腐蚀的带轮毂套的轮毂，包括轮毂1，用来连接主轴与叶轮，所述轮毂1一般选用耐腐蚀的不锈钢，所述轮毂1通过轴头挡块6与圆螺母7固定在主轴上，所述轮毂1的前方设有腔体4，所述轴头挡块6与所述圆螺母7设置在所述腔体4内，因为所述主轴、所述圆螺母7和所述轴套挡块6是普通材质制造的，不具备耐腐蚀性能，所以所述腔体4通过压板8密封，所述压板为不锈钢材质，将耐腐蚀气体与所述轮毂腔体4隔绝，保护了所述腔体4内的主轴、圆螺母7和轴套挡块6，所述压板8与所述腔体4之间还设有三元乙丙橡胶垫5来密封所述压板8与所述腔体4之间的缝隙，所述压板8既起到了压紧所述腔体4的作用，又起到了压紧所述橡胶垫5的作用，所述轮毂1外设置密封部2，所述密封部2选用耐腐蚀材料，一般为不锈钢，有效地防止气体泄漏，所述轮毂1与所述密封部2之间设有轮毂套3，所述轮毂套3选用耐腐蚀的不锈钢材质，保护所述轮毂1，可防止自身被耐腐蚀气体腐蚀，所述轮毂套3可拆卸地套设固定在所述轮毂1上，所述轮毂1与所述轮毂套3紧密地配合，由于所述轮毂1为旋转件，而所述密封部2为静止件，因此所述轮毂1不断地转动时会对所述密封部2产生摩擦，而长期的摩擦导致所述轮毂1与所述密封部2的接触表面磨损，影响气密性，所述在所述轮毂1上可拆卸地套设安装上轮毂套3，防止所述轮毂1与所述密封部2直接连接产生摩擦，造成部件损坏，而所述轮毂套3非固定地设置在所述轮毂1上，这样可以定期地更换所述轮毂套3，比以前更换所述轮毂1成本低，而且更换方便。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (7)

  1. 一种耐腐蚀的带轮毂套的轮毂，其特征在于：包括轮毂(1)，所述轮毂(1)通过轴头挡块(6)与圆螺母(7)固定在主轴上，所述轮毂(1)的前方设有腔体(4)，所述轴头挡块(6)与所述圆螺母(7)设置在所述腔体(4)内，所述腔体(4)通过压板(8)密封，所述轮毂(1)外设置密封部(2)，所述轮毂(1)与所述密封部(2)之间设有轮毂套(3)。
  2. 根据权利要求1所述的耐腐蚀的带轮毂套的轮毂，其特征在于：所述压板(8)与所述腔体(4)之间设有橡胶垫(5)来密封所述压板(8)与所述腔体(4)之间的缝隙。
  3. 根据权利要求2所述的耐腐蚀的带轮毂套的轮毂，其特征在于：所述橡胶垫(5)为三元乙丙橡胶垫。
  4. 根据权利要求1所述的耐腐蚀的带轮毂套的轮毂，其特征在于：所述轮毂套(3)可拆卸地套设固定在所述轮毂(1)上。
  5. 根据权利要求1所述的耐腐蚀的带轮毂套的轮毂，其特征在于：所述密封部(2)为静止件。
  6. 根据权利要求1所述的耐腐蚀的带轮毂套的轮毂，其特征在于：所述压板(8)为不锈钢材质。
  7. 根据权利要求1所述的耐腐蚀的带轮毂套的轮毂，其特征在于：所述轮毂套(3)的材质为耐腐蚀的不锈钢。
PCT/CN2015/092647 2015-07-30 2015-10-23 一种耐腐蚀的带轮毂套的轮毂 WO2017016077A1 (zh)

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CN104976152A (zh) * 2015-07-30 2015-10-14 南通大通宝富风机有限公司 一种耐腐蚀的带轮毂套的轮毂

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