Self-lubricating device for transmission shaft sleeve of sterilization kettle
By designing spherical sleeves and lubricating sleeve structures in the transmission sleeve of the sterilization kettle, self-lubricating is achieved using lubricating oil and sealing rings, the problem of bushing wear under high temperature and high load is solved, and the stability and reliability of the equipment are significantly improved. .
Patent Information
- Application Number
- CN202323650092.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-30
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-30
AI Technical Summary
The plastic shaft sleeves driven by chains in the existing sterilization kettle wear quickly in high temperature and high load environments, with high failure rate, resulting in low production efficiency and unstable product quality.
Design a self-lubricating device for the transmission sleeve of a sterilizer, adopts a spherical sleeve and a lubricating sleeve structure, and introduces lubricating oil between the spherical sleeve and the arc-shaped sleeve through an peripheral oil pump, and uses a sealing ring to prevent the lubricating oil from overflowing. Cast iron material is made of high temperature and high load environments.
The self-lubrication of the transmission shaft sleeve is achieved, the stable operation cycle of the equipment is extended, the frequency of failure is reduced, and the frequency of maintenance is changed from every 5 days to every 6 months, which significantly improves the stability and reliability of the equipment.
Smart Images
Figure CN222141802U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transmission shaft sleeves, and more specifically to a self-lubricating device for a transmission shaft sleeve of a sterilizing kettle. Background Art
[0002] Sterilization kettles, also known as sterilization pots or sterilization machines, are mainly used in the food industry, medicine and other fields. In continuous sterilization kettles, trays containing sterilized materials are conveyed through chain conveyors. The entire sterilization kettle uses chain transmission, which is driven by a main motor and its main transmission shaft. However, the existing chain transmission in sterilization kettles uses plastic sleeve transmission. The internal working environment temperature of the sterilization kettle is high, the load is large, the sleeve wears quickly, the failure rate is high, and failures occur frequently during production, resulting in low production efficiency and unstable product quality control. For this reason, we propose a self-lubricating device for the transmission sleeve of the sterilization kettle. Utility Model Content
[0003] In view of the problems mentioned in the above background technology, the purpose of the utility model is to provide a self-lubricating device for a transmission sleeve of a sterilizing autoclave.
[0004] In order to solve the above problems, the utility model adopts the following technical solutions:
[0005] A self-lubricating device for a sterilizing autoclave transmission shaft sleeve comprises two set mechanisms and an external oil tank, a spherical shaft sleeve is sleeved between the two set mechanisms, shaft sleeve tubes are respectively arranged on both sides of the spherical shaft sleeve, one end of the shaft sleeve tube is fixedly connected to a limiting convex ring, a limiting groove is provided at the end of one of the set mechanisms, the limiting convex ring is located in the inner cavity of the limiting groove, a lubricating sleeve is provided on the outside of the spherical shaft sleeve and between the two set mechanisms, an oil distribution groove is provided inside the lubricating sleeve, a plurality of lubrication holes are provided on the inner side of the lubricating sleeve, the ends of the lubrication holes are connected to the inner cavity of the oil distribution groove, an external oil pump is fixedly installed on the top of the external oil tank, and oil guide pipes are respectively fixedly connected at both ends of the external oil pump, one end of one oil guide pipe extends to the inner cavity of the external oil tank, and one end of the other oil guide pipe extends to the inner cavity of the oil distribution groove.
[0006] As a preferred solution of the utility model, the sleeve mechanism includes two arc-shaped sleeve seats sleeved on the outside of the shaft sleeve, one of the arc-shaped sleeve seats is provided with a screw hole on the outside, and the other arc-shaped sleeve seat is provided with a mounting groove on the outside, a bolt is sleeved in the mounting groove, and one end of the bolt is threadedly sleeved into the screw hole.
[0007] As a preferred solution of the utility model, an outer sealing groove is formed on the inner side of the arc-shaped sleeve seat, inner sealing grooves are formed on both ends of the lubricating sleeve, and sealing rings are sleeved in the inner sealing groove and the outer sealing groove.
[0008] As a preferred solution of the utility model, the inner side surface of the arc-shaped sleeve seat and the end surface of the lubricating sleeve are in contact with each other.
[0009] As a preferred solution of the utility model, the inner side surface of the lubricating sleeve fits with the outer side surface of the spherical sleeve.
[0010] As a preferred solution of the utility model, the spherical shaft sleeve, the arc-shaped sleeve seat and the lubricating sleeve are all made of ductile iron.
[0011] The advantages of the utility model are:
[0012] (1) In the utility model, the lubricating oil in the external oil tank is pumped into the oil separation groove by an external oil pump, so that the lubricating oil in the oil separation groove enters the outside of the spherical sleeve from the lubrication hole, thereby lubricating the outside of the spherical sleeve and the arc-shaped sleeve seat and the lubricating sleeve to avoid wear; and by providing a sealing ring between the arc-shaped sleeve seat and the lubricating sleeve, the lubricating oil is prevented from overflowing from the gap between the arc-shaped sleeve seat and the lubricating sleeve, thereby realizing the self-lubricating function and improving the practicality of the self-lubricating device of the transmission sleeve of the sterilizing kettle.
[0013] (2) In the present invention, a ductile iron self-lubricating bearing device is designed to replace the existing bearing. After being tested in production practice, it meets the transmission needs and overcomes high temperature and high load. In addition, the maintenance frequency of the device is reduced from once every 5 days to once every 6 months through the self-lubricating device, which significantly improves the stable operation of the sterilizer equipment and reduces equipment failures caused by the transmission shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is an exploded view of the overall structure of the utility model;
[0016] Figure 3 It is a cross-sectional schematic diagram of the utility model;
[0017] Figure 4 It is a structural schematic diagram of the suiting mechanism of the utility model.
[0018] Description of the numbers in the figure:
[0019] 1. Set mechanism; 2. Spherical shaft sleeve; 3. Lubricating sleeve; 4. Lubricating hole; 5. Oil distribution groove; 6. External oil tank; 7. External oil pump; 8. Oil guide pipe; 9. Limiting groove; 10. Limiting convex ring; 11. Shaft sleeve; 12. Arc set seat; 13. Mounting groove; 14. Screw hole; 15. Bolt; 16. External sealing groove; 17. Internal sealing groove; 18. Sealing ring. DETAILED DESCRIPTION
[0020] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0023] Example:
[0024] See also Figure 1-4 A self-lubricating device for a transmission sleeve of a sterilizing autoclave comprises two set mechanisms 1 and an external oil tank 6, a spherical sleeve 2 is sleeved between the two set mechanisms 1, sleeve tubes 11 are respectively arranged on both sides of the spherical sleeve 2, one end of a sleeve tube 11 is fixedly connected to a limiting convex ring 10, a limiting groove 9 is provided at the end of one set mechanism 1, the limiting convex ring 10 is located in the inner cavity of the limiting groove 9, a lubricating sleeve 3 is provided on the outside of the spherical sleeve 2 and between the two set mechanisms 1, an oil distribution groove 5 is provided inside the lubricating sleeve 3, a plurality of lubricating holes 4 are provided on the inner side of the lubricating sleeve 3, and the ends of the lubricating holes 4 are connected to the inner cavity of the oil distribution groove 5, an external oil pump 7 is fixedly installed on the top of the external oil tank 6, and oil guide pipes 8 are respectively fixedly connected at both ends of the external oil pump 7, one end of one oil guide pipe 8 extends to the inner cavity of the external oil tank 6, and one end of the other oil guide pipe 8 extends to the inner cavity of the oil distribution groove 5.
[0025] In this embodiment, the limiting grooves 9 are formed at the ends of two of the arc-shaped sleeve seats 12 , and the inner wall of the limiting grooves 9 is in contact with the outer side surface of the limiting convex ring 10 .
[0026] For details, please refer to Figure 1 , Figure 2 and Figure 4 The sleeve mechanism 1 includes two arc-shaped sleeve seats 12 sleeved on the outside of the shaft sleeve 11, a screw hole 14 is arranged on the outside of one arc-shaped sleeve seat 12, and a mounting groove 13 is arranged on the outside of the other arc-shaped sleeve seat 12. A bolt 15 is sleeved in the mounting groove 13, and one end of the bolt 15 is threadedly sleeved in the screw hole 14.
[0027] In this embodiment, the two arc-shaped sleeve seats 12 are connected by the cooperation of the mounting grooves 13 , the screw holes 14 and the bolts 15 , so that the sleeve mechanism 1 is sleeved on the outer side of the shaft sleeve 11 .
[0028] For details, please refer to Figure 2 and Figure 3 An outer sealing groove 16 is formed on the inner side of the arc-shaped sleeve seat 12 , and inner sealing grooves 17 are formed at both ends of the lubricating sleeve 3 . Sealing rings 18 are sleeved in the inner sealing groove 17 and the outer sealing groove 16 .
[0029] In this embodiment, the outer sealing groove 16, the inner sealing groove 17 and the sealing ring 18 cooperate to ensure the sealing between the arc-shaped sleeve seat 12 and the lubricating sleeve 3, and prevent the lubricating oil outside the spherical sleeve 2 from overflowing.
[0030] For details, please refer to Figure 3 The inner side surface of the arc-shaped sleeve seat 12 is in contact with the end surface of the lubricating sleeve 3.
[0031] In this embodiment, the sealing between the arc-shaped sleeve seat 12 and the lubricating sleeve 3 is ensured.
[0032] For details, please refer to Figure 3 The inner side surface of the lubricating sleeve 3 fits with the outer side surface of the spherical sleeve 2.
[0033] For details, please refer to Figure 2 The spherical shaft sleeve 2, the arc-shaped sleeve seat 12 and the lubricating sleeve 3 are all made of ductile iron.
[0034] In this embodiment, ductile iron material is used to ensure that it can operate in a high temperature and high load environment, thereby increasing its service life.
[0035] Working principle: When the spherical sleeve 2 is in use, the external oil pump 7 is started regularly to pump the lubricating oil in the external oil tank 6 into the oil distribution groove 5, and the lubricating oil in the oil distribution groove 5 enters the outside of the spherical sleeve 2 from the lubrication hole 4, thereby lubricating the outside of the spherical sleeve 2 and the arc-shaped sleeve seat 12 and the lubricating sleeve 3 to avoid wear. In addition, a sealing ring 18 is provided between the arc-shaped sleeve seat 12 and the lubricating sleeve 3 to prevent the lubricating oil from overflowing from the gap between the arc-shaped sleeve seat 12 and the lubricating sleeve 3. In addition, a ductile iron self-lubricating bearing device is designed to replace the existing bearing. After being tested in production practice, it meets the transmission needs and overcomes high temperature and high load. The device uses a self-lubricating device, and the maintenance frequency is changed from once every 5 days to once every 6 months, which significantly improves the stable operation of the sterilization kettle equipment and reduces equipment failures caused by the transmission shaft.
[0036] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.
Claims
1. A self-lubricating device for a transmission sleeve of a sterilizing kettle, characterized in that: The invention comprises two set mechanisms (1) and an external oil tank (6), wherein a spherical shaft sleeve (2) is sleeved between the two set mechanisms (1), shaft sleeve tubes (11) are respectively arranged on both sides of the spherical shaft sleeve (2), one end of one shaft sleeve tube (11) is fixedly connected to a limiting convex ring (10), a limiting groove (9) is provided at the end of one set mechanism (1), the limiting convex ring (10) is located in the inner cavity of the limiting groove (9), and a lubricating sleeve is arranged on the outer side of the spherical shaft sleeve (2) and between the two set mechanisms (1). (3), an oil distribution groove (5) is arranged inside the lubricating sleeve (3), a plurality of lubricating holes (4) are opened on the inner side of the lubricating sleeve (3), the ends of the lubricating holes (4) are communicated with the inner cavity of the oil distribution groove (5), an external oil pump (7) is fixedly installed on the top of the external oil tank (6), and the two ends of the external oil pump (7) are respectively fixedly connected with oil guide pipes (8), one end of one of the oil guide pipes (8) extends to the inner cavity of the external oil tank (6), and one end of the other oil guide pipe (8) extends to the inner cavity of the oil distribution groove (5).
2. The self-lubricating device for the transmission sleeve of a sterilizing kettle according to claim 1, characterized in that: The sleeve mechanism (1) comprises two arc-shaped sleeve seats (12) sleeved on the outside of the shaft sleeve (11), one of the arc-shaped sleeve seats (12) being provided with a screw hole (14) on the outside, and the other arc-shaped sleeve seat (12) being provided with a mounting groove (13) on the outside, a bolt (15) being sleeved in the mounting groove (13), and one end of the bolt (15) being threadedly sleeved in the screw hole (14).
3. The self-lubricating device for the transmission sleeve of a sterilizing kettle according to claim 2, characterized in that: An outer sealing groove (16) is formed on the inner side surface of the arc-shaped sleeve seat (12), inner sealing grooves (17) are formed on both ends of the lubricating sleeve (3), and sealing rings (18) are sleeved in the inner sealing groove (17) and the outer sealing groove (16).
4. The self-lubricating device for the transmission sleeve of a sterilizing kettle according to claim 2, characterized in that: The inner side surface of the arc-shaped sleeve seat (12) is in contact with the end surface of the lubricating sleeve (3).
5. The self-lubricating device for the transmission sleeve of a sterilizing autoclave according to claim 1, characterized in that: The inner side surface of the lubricating sleeve (3) fits the outer side surface of the spherical shaft sleeve (2).
6. The self-lubricating device for the transmission sleeve of a sterilizing autoclave according to claim 2, characterized in that: The spherical shaft sleeve (2), the arc-shaped sleeve seat (12) and the lubricating sleeve (3) are all made of ductile iron.