煤矿防爆电机轴承免拆卸注油维护机构
The non-disassembly lubrication maintenance mechanism for explosion-proof motor bearings in coal mines utilizes the design of a piston block and annular sleeve to achieve lubrication without disassembly. This solves the problems of cumbersome disassembly operations and spark risks in existing technologies, thereby improving maintenance efficiency and bearing lubrication.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 杜钢
- Filing Date
- 2025-10-22
- Publication Date
- 2026-07-17
AI Technical Summary
Maintenance of existing explosion-proof motor bearings requires disassembly, which is cumbersome and poses a risk of sparks. Bearings with oil seals are particularly prone to damage, affecting the sealing effect.
A non-disassembly oil injection maintenance mechanism for explosion-proof motor bearings in coal mines is designed. Through the cooperation of the main mechanism and the shielding mechanism, the piston block and the annular sleeve slide in the oil groove to realize the injection and extrusion of lubricating oil, avoiding the disassembly of the bearing and oil seal, and accurately controlling the amount of oil injected.
It simplifies the maintenance process, reduces operational complexity, minimizes the skill requirements for maintenance personnel, avoids mechanical damage to bearings and oil seals, and ensures that bearings are always in optimal lubrication condition.
Smart Images
Figure CN224516470U_ABST
Abstract
Claims
1. A coal mine explosion-proof motor bearing disassembly-free oiling maintenance mechanism, characterized in that: It includes the main structure (10) and the shielding mechanism (20); The main body (10) includes a bearing seat (11) and a piston block (26). A bearing (16) is installed inside the bearing seat (11). An oil groove (24) is opened inside the bearing seat (11). The piston block (26) is located inside the oil groove (24). A fixing ring (25) is fixedly connected to the top of the piston block (26). An oil injection hole (13) is opened on one side of the bearing seat (11). The oil injection hole (13) communicates with the oil groove (24). The shielding mechanism (20) includes a dust cover (21) and an annular sleeve (22). The annular sleeve (22) is engaged with the top of the bearing seat (11). The bottom of the annular sleeve (22) is fixedly connected with connecting rods (27) at equal intervals. One end of the connecting rod (27) passes through the bearing seat (11). The end of the connecting rod (27) passing through the bearing seat (11) is fixedly connected to the fixing ring (25). The dust cover (21) is sleeved on the top of the bearing seat (11).
2. The maintenance-free oiling mechanism for the coal mine explosion-proof motor bearing without disassembly according to claim 1, characterized in that: The dust cover (21) is threadedly connected to the bearing housing (11).
3. The maintenance-free oiling mechanism for the coal mine explosion-proof motor bearing without disassembly according to claim 1, characterized in that: A rubber pad (14) is fixedly connected to the bottom of the bearing housing (11).
4. The maintenance-free oiling mechanism for the coal mine explosion-proof motor bearing without disassembly according to claim 3, characterized in that: A retaining ring (15) is provided between the rubber pad (14) and the bearing (16).
5. The maintenance-free oiling mechanism for the coal mine explosion-proof motor bearing without disassembly according to claim 1, characterized in that: The bearing housing (11) has fixing holes (12) evenly distributed on one side.
6. The maintenance-free oiling mechanism for the coal mine explosion-proof motor bearing without disassembly according to claim 1, characterized in that: The outer side of the annular sleeve (22) is integrally formed with anti-slip grooves (23).