WO2021196320A1 - 一种封闭式侧装机械用行走轮 - Google Patents

一种封闭式侧装机械用行走轮 Download PDF

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Publication number
WO2021196320A1
WO2021196320A1 PCT/CN2020/086539 CN2020086539W WO2021196320A1 WO 2021196320 A1 WO2021196320 A1 WO 2021196320A1 CN 2020086539 W CN2020086539 W CN 2020086539W WO 2021196320 A1 WO2021196320 A1 WO 2021196320A1
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Prior art keywords
bearing
roller
closed
bearing seat
roller body
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PCT/CN2020/086539
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English (en)
French (fr)
Inventor
陈亦兵
张可飞
周健
邵坚
周子棠
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安徽黄山恒久链传动有限公司
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Priority to AU2020439384A priority Critical patent/AU2020439384A1/en
Publication of WO2021196320A1 publication Critical patent/WO2021196320A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N37/00—Equipment for transferring lubricant from one container to another
    • F16N37/003—Equipment for transferring lubricant from one container to another for filling bearings

Definitions

  • the invention provides a walking wheel for a closed side-mounted machinery, which belongs to the technical field of transmission equipment.
  • roller is hollow on the shaft or the rolling bearing is installed in the roller, and the bearing is directly sleeved on the shaft.
  • the former has poor lubrication between the roller and the pin, and the roller and pin are easy to wear; dust and mud are easy to enter the roller.
  • the rollers are stuck between the shafts, the axial movement is large, and the unstable factors are strong. After the latter is installed in the rolling bearing, it is improved compared with the traditional method. , Mud, etc. easily enter the bearings and shafts, causing the rollers to jam, poor lubricity, and large axial movement. Especially for long-term walking on the road with more complicated road conditions, there are also greater safety hazards.
  • the present invention provides a closed type side-mounted mechanical traveling wheel, which solves the problem of poor lubricity between the rollers and the pins of many existing roller structures, and the rollers and pins are easy to wear; dust, mud, etc. Entering between the rollers causes the rollers to jam and cause the problem of large axial movement.
  • a closed type side-mounted mechanical walking wheel including a roller body, the roller body is provided with a roller inner hole, and the inner hole of the roller is provided with A closed bearing seat, one end of the closed bearing seat extends to the outside of the inner hole of the roller and is rotatably clamped with the outer side wall of the roller body, the outer surface of the other end of the closed bearing seat is rotatably connected with a bearing, and the bearing
  • the outer surface is fixedly connected with the inner side wall of the roller body, the outer surface of the enclosed bearing seat is rotatably sleeved with a labyrinth-type steel disc all-metal seal ring, and the labyrinth-type steel disc all-metal seal ring is located between the bearing and the roller body In between, the outer surface of the labyrinth steel disc all-metal seal ring is fixedly connected to the inner side wall of the roller body, and the inner side wall of the roller body
  • the first sealing element and the second sealing element are both O-rings, the first sealing element has a sealing effect on the shaft and the bearing seat, and the second sealing element has a sealing effect on the roller.
  • the enclosed bearing and the labyrinth steel disc all-metal sealing ring cooperate to form a combination of multi-layer combined sealing methods, so that the pre-existing grease inside the roller does not overflow, and the roller can achieve the effect of lubrication-free during use and maintenance.
  • the inner hole of the bearing and the outer diameter of the enclosed bearing seat, the outer diameter of the bearing and the inner hole of the roller adopt interference fit, which can keep the bearing seat and the shaft stationary and eliminate the radial gap in the traditional installation method. Make the roller drive more stable.
  • the interior of the roller body is pre-filled with lubricating grease. Due to the multi-layer combined sealing structure, the lubricating grease in the roller will not be lost, and the bearing will be fully lubricated, which greatly improves the life of the roller and reduces maintenance costs.
  • the outer surface of the enclosed bearing seat and the inner side wall of the roller body are fixedly connected with a bearing limit ring, and the two bearing limit rings are located on the same side of the bearing and have a limiting effect on the position of the bearing.
  • a bearing limit ring Preferably, the outer surface of the enclosed bearing seat and the inner side wall of the roller body are fixedly connected with a bearing limit ring, and the two bearing limit rings are located on the same side of the bearing and have a limiting effect on the position of the bearing.
  • the device When in use, the device is different from traditional equipment in that it introduces a bearing housing structure and makes the bearing housing a closed type to prevent dust and granular materials from entering the roller.
  • the bearing inner hole and the outer diameter of the bearing housing, the bearing The outer diameter and the inner hole of the roller adopt an interference fit, the bearing seat and the shaft remain stationary, eliminating the radial gap in the traditional installation method, making the roller transmission more stable, and the high-end sealing element of the labyrinth steel disc all-metal seal ring can withstand the axial direction
  • it can seal grease-lubricated bearings exposed to extremely polluted environments to avoid axial movement of the rollers.
  • the rollers are pre-filled with grease.
  • the lubricating grease in the rollers will not be lost.
  • the bearing is fully lubricated to achieve the effect of lubrication-free operation of the roller during the use and maintenance process, the life of the roller is greatly improved, and the maintenance cost is reduced.
  • the invention provides a walking wheel for a closed side-mounted machine. Has the following beneficial effects:
  • the high-end sealing element of the labyrinth steel disc all-metal sealing ring can withstand the axial pressure, and at the same time can seal the grease lubricated bearing exposed to the extreme pollution environment to avoid the axial movement of the roller.
  • This kind of closed side-mounted mechanical traveling wheel introduces a bearing seat structure and makes the bearing seat a closed type to prevent dust and granular materials from entering the roller.
  • Figure 1 is a schematic diagram of the overall structure of the present invention.
  • Figure 2 is a side view of the present invention.
  • roller body 1.
  • Labyrinth steel disc all-metal seal ring 3.
  • Bearing limit ring 4.
  • Roller inner hole 5.
  • Dust seal cover 7.
  • Bearing; 8. The second seal; 9.
  • the enclosed bearing seat 1.
  • the embodiment of the present invention provides a closed type side-mounted mechanical traveling wheel, including a roller body 1, the roller body 1 is provided with a roller inner hole 4, and the roller inner hole 4 is provided with a closed One end of the closed bearing seat 10 extends to the outside of the inner hole 4 of the roller and is rotatably clamped with the outer side wall of the roller body 1.
  • the outer surface of the other end of the closed bearing seat 10 is rotatably connected with a bearing 7, the bearing 7
  • the outer surface is fixedly connected with the inner side wall of the roller body 1, and the outer surface of the enclosed bearing housing 10 is rotatably sleeved with a labyrinth steel disc all-metal seal ring 2, which is located between the bearing 7 and the roller body 1, the outer surface of the labyrinth steel disc all-metal sealing ring 2 is fixedly connected to the inner side wall of the roller body 1, and the inner side wall of the roller body 1 and the end away from the enclosed bearing housing 10 is fixedly connected to the first seal 5,
  • a dust-proof sealing cover 6 is provided on the side of the first seal 5 away from the enclosed bearing housing 10, the dust-proof sealing cover 6 is clamped inside the roller body 1, and the enclosed bearing housing 10 is provided with a bearing inner hole 9.
  • a second sealing element 8 is fixedly connected to the inner side wall of the enclosed bearing seat 10.
  • the first seal 5 and the second seal 8 are both O-rings; the inner hole of the bearing 7 and the outer diameter of the enclosed bearing housing 10, the outer diameter of the bearing 7 and the inner hole 4 of the roller adopt interference fit; the roller body The inside of 1 is pre-filled with grease; the outer surface of the enclosed bearing seat 10 and the inner side wall of the roller body 1 are fixedly connected with a bearing limit ring 3, and the two bearing limit rings 3 are located on the same side of the bearing 7.

Abstract

一种封闭式侧装机械用行走轮，包括滚轮本体（1），滚轮本体（1）的内部开设有滚轮内孔（4），滚轮内孔（4）的内部设置有封闭式轴承座（10），封闭式轴承座（10）的一端延伸至滚轮内孔（4）的外部并与滚轮本体（1）的外侧壁转动卡接，封闭式轴承座（10）的另一端外表面转动连接有轴承（7），轴承（7）的外表面与滚轮本体（1）的内侧壁固定连接。通过引入轴承座结构，并将轴承座做成封闭式，阻止灰尘、颗粒散状物料进入滚轮，轴承内孔与轴承座外径、轴承外径与滚轮内孔采用过盈配合，轴承座与轴保持静止，消除传统安装方式中径向的间隙，使滚轮传动更平稳。

Description

一种封闭式侧装机械用行走轮 技术领域
本发明提供一种封闭式侧装机械用行走轮，属于传动设备技术领域。
背景技术
传统的滚轮结构有两种：滚轮空套在轴上或者滚轮内安装滚动轴承，轴承直接套在轴上，前者滚轮与销轴间润滑性差，滚轮、销轴易磨损；粉尘、泥浆等易进入滚轴之间造成滚轮卡死，轴向串动大，不稳定因素较强，后者装入滚动轴承后，比传统方式一有所改善，但是轴承内圈空套在轴上，滚轮跳动大，粉尘、泥浆等易进入轴承、轴之间造成滚轮卡死，润滑性差，轴向串动大，特别是长时间在路况较为复杂的路面行走，也存在着较大的安全隐患。
发明内容
(一)解决的技术问题
针对现有技术的不足，本发明提供了一种封闭式侧装机械用行走轮，解决了现有的许多滚轮结构滚轮与销轴间润滑性差，滚轮、销轴易磨损；粉尘、泥浆等易进入滚轴之间造成滚轮卡死，轴向串动大的问题。
(二)技术方案
为实现以上目的，本发明通过以下技术方案予以实现：一种封闭式侧装机械用行走轮，包括滚轮本体，所述滚轮本体的内部开设有滚轮内孔，所述滚轮内孔的内部设置有封闭式轴承座，所述封闭式轴承座的一端延伸至滚轮内孔的外部并与滚轮本体的外侧壁转动卡接，所述封闭式轴承座的另一端外表面转动连接有轴承，所述轴承的外表面与滚轮本体的内侧壁固定连接，所述封闭式轴承座的外表面转动套接有迷宫式钢盘全金属密封环，所述迷宫式钢盘全金属密封环位于轴承与滚轮本体之间，所述迷宫式钢盘全金属密封环的外表面与滚轮本体的内侧壁固定连接，所述滚轮本体的内侧壁且远离封闭 式轴承座的一端固定连接有第一密封件，所述第一密封件远离封闭式轴承座的一侧设置有防尘密封盖，所述防尘密封盖卡接在滚轮本体的内部，所述封闭式轴承座的内部开设有轴承内孔，所述封闭式轴承座的内侧壁固定连接有第二密封件。
优选的，所述第一密封件与第二密封件均为O形圆环，第一密封件对轴与轴承座有着密封的效果，第二密封件对滚轮起到密封的作用，二者与封闭式轴承、迷宫式钢盘全金属密封环配合形成多层组合密封方式的结合，使预存在滚轮内部的润滑脂不溢出来，达到滚轮在使用维护过程中实现免润滑的效果。
优选的，所述轴承的内孔与封闭式轴承座的外径、轴承的外径与滚轮内孔采用过盈配合，能够使得轴承座与轴保持静止，消除传统安装方式中径向的间隙，使滚轮传动更平稳。
优选的，所述滚轮本体的内部预填充满润滑脂，由于多层组合密封结构，滚轮内润滑油脂不会流失，轴承得到充分润滑，使得滚轮寿命大大提高，降低维护成本。
优选的，所述封闭式轴承座的外表面与滚轮本体的内侧壁均固定连接有轴承限位圈，两个所述轴承限位圈均位于轴承的同一侧，对轴承的位置有着限定作用，提高装置本体在行走过程中的的稳定性。
工作原理：使用时，该装置与传统设备不同的是，引入轴承座结构，并将轴承座做成封闭式，阻止灰尘、颗粒散状物料进入滚轮，同时轴承内孔与轴承座外径、轴承外径与滚轮内孔采用过盈配合，轴承座与轴保持静止，消除传统安装方式中径向的间隙，使滚轮传动更平稳，且迷宫式钢盘全金属密封环高端密封元件可以承受轴向压力，同时可以对暴露在极端污染环境下的脂润滑轴承进行密封，避免滚轮的轴向串动，同时滚轮内预填充满润滑脂，由于多层组合密封结构，滚轮内润滑油脂不会流失，轴承得到充分润滑，达 到滚轮在使用维护过程中实现免润滑效果，滚轮寿命大大提高，降低维护成本。
(三)有益效果
本发明提供了一种封闭式侧装机械用行走轮。具备以下有益效果：
1、迷宫式钢盘全金属密封环高端密封元件可以承受轴向压力，同时可以对暴露在极端污染环境下的脂润滑轴承进行密封，避免滚轮的轴向串动。
2、该一种封闭式侧装机械用行走轮，引入轴承座结构，并将轴承座做成封闭式，阻止灰尘、颗粒散状物料进入滚轮。
3、该一种封闭式侧装机械用行走轮，轴承内孔与轴承座外径、轴承外径与滚轮内孔采用过盈配合，轴承座与销轴保持静止，消除传统安装方式中径向的间隙，使滚轮传动更平稳。
4、该一种封闭式侧装机械用行走轮，滚轮内预填充满润滑脂，由于多层组合密封结构，滚轮内润滑油脂不会流失，轴承得到充分润滑，达到滚轮在使用维护过程中实现免润滑效果，滚轮寿命大大提高，降低维护成本。
附图说明
图1为本发明的整体结构示意图；
图2为本发明的侧视图。
其中，1、滚轮本体；2、迷宫式钢盘全金属密封环；3、轴承限位圈；4、滚轮内孔；5、第一密封件；6、防尘密封盖；7、轴承；8、第二密封件；9、轴承内孔；10、封闭式轴承座。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例：
如图1-2所示，本发明实施例提供一种封闭式侧装机械用行走轮，包括滚轮本体1，滚轮本体1的内部开设有滚轮内孔4，滚轮内孔4的内部设置有封闭式轴承座10，封闭式轴承座10的一端延伸至滚轮内孔4的外部并与滚轮本体1的外侧壁转动卡接，封闭式轴承座10的另一端外表面转动连接有轴承7，轴承7的外表面与滚轮本体1的内侧壁固定连接，封闭式轴承座10的外表面转动套接有迷宫式钢盘全金属密封环2，迷宫式钢盘全金属密封环2位于轴承7与滚轮本体1之间，迷宫式钢盘全金属密封环2的外表面与滚轮本体1的内侧壁固定连接，滚轮本体1的内侧壁且远离封闭式轴承座10的一端固定连接有第一密封件5，第一密封件5远离封闭式轴承座10的一侧设置有防尘密封盖6，防尘密封盖6卡接在滚轮本体1的内部，封闭式轴承座10的内部开设有轴承内孔9，封闭式轴承座10的内侧壁固定连接有第二密封件8。
第一密封件5与第二密封件8均为O形圆环；轴承7的内孔与封闭式轴承座10的外径、轴承7的外径与滚轮内孔4采用过盈配合；滚轮本体1的内部预填充满润滑脂；封闭式轴承座10的外表面与滚轮本体1的内侧壁均固定连接有轴承限位圈3，两个轴承限位圈3均位于轴承7的同一侧。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (5)

  1. 一种封闭式侧装机械用行走轮，包括滚轮本体(1)，其特征在于：所述滚轮本体(1)的内部开设有滚轮内孔(4)，所述滚轮内孔(4)的内部设置有封闭式轴承座(10)，所述封闭式轴承座(10)的一端延伸至滚轮内孔(4)的外部并与滚轮本体(1)的外侧壁转动卡接，所述封闭式轴承座(10)的另一端外表面转动连接有轴承(7)，所述轴承(7)的外表面与滚轮本体(1)的内侧壁固定连接，所述封闭式轴承座(10)的外表面转动套接有迷宫式钢盘全金属密封环(2)，所述迷宫式钢盘全金属密封环(2)位于轴承(7)与滚轮本体(1)之间，所述迷宫式钢盘全金属密封环(2)的外表面与滚轮本体(1)的内侧壁固定连接，所述滚轮本体(1)的内侧壁且远离封闭式轴承座(10)的一端固定连接有第一密封件(5)，所述第一密封件(5)远离封闭式轴承座(10)的一侧设置有防尘密封盖(6)，所述防尘密封盖(6)卡接在滚轮本体(1)的内部，所述封闭式轴承座(10)的内部开设有轴承内孔(9)，所述封闭式轴承座(10)的内侧壁固定连接有第二密封件(8)。
  2. 根据权利要求1所述的一种封闭式侧装机械用行走轮，其特征在于：所述第一密封件(5)与第二密封件(8)均为O形圆环。
  3. 根据权利要求1所述的一种封闭式侧装机械用行走轮，其特征在于：所述轴承(7)的内孔与封闭式轴承座(10)的外径、轴承(7)的外径与滚轮内孔(4)采用过盈配合。
  4. 根据权利要求1所述的一种封闭式侧装机械用行走轮，其特征在于：所述滚轮本体(1)的内部预填充满润滑脂。
  5. 根据权利要求1所述的一种封闭式侧装机械用行走轮，其特征在于：所述封闭式轴承座(10)的外表面与滚轮本体(1)的内侧壁均固定连接有轴承限位圈(3)，两个所述轴承限位圈(3)均位于轴承(7)的同一侧。
PCT/CN2020/086539 2020-04-03 2020-04-24 一种封闭式侧装机械用行走轮 WO2021196320A1 (zh)

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CN112524162A (zh) * 2020-12-01 2021-03-19 安徽省绩溪县飞奔链传动有限公司 一种链条用多层组合密封外置滚轮结构

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