Wet clutch friction plate structure of marine gearbox
By designing a compact wet clutch friction plate structure in marine gearboxes, the copper-based friction plate and nested assembly friction plate, steel belt ring and asbestos heat insulation sheet are solved by using copper-based friction plates with low assembly accuracy and poor heat dissipation performance in traditional friction plates. The problem has improved service life and braking efficiency, ensuring the normal operation of ship equipment.
Patent Information
- Application Number
- CN202421417326.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The friction plates of traditional marine gearboxes have low assembly accuracy, insufficient friction coefficient and poor heat dissipation performance, resulting in a short service life and cannot meet the needs of high loads and high operating speeds.
A wet clutch friction plate structure for marine gearbox is designed, using copper-based friction plates and nested crimped assembly friction plates, combining steel belt rings, asbestos heat insulation sheets and rivets to increase heat dissipation through oil tanks and copper-based friction layer It has a sintered fixed structure and spiral groove, which improves heat dissipation efficiency.
It achieves compact structure, good operating stability and long service life, improves braking efficiency and protects the normal operation of ship equipment.
Smart Images
Figure CN222163308U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of marine clutch friction plates, in particular to a marine gearbox wet clutch friction plate structure. Background Art
[0002] The marine gearbox is the most important transmission device in the marine transmission device. It is responsible for transmitting the power generated by the engine to the propeller, thereby realizing the movement of the ship. With the development of mechanical devices towards high load, high speed and high power, the use of high and low speed and high torque (machine tools, ships, construction machinery, agricultural machinery, etc.) has also put forward higher performance requirements for friction devices.
[0003] At present, the traditional friction plate has poor assembly performance and low assembly precision. At the same time, the friction coefficient is low, the product loss is fast, and the heat dissipation performance of the friction plate is poor. It cannot effectively discharge the generated heat in a timely manner, resulting in a reduced service life of the friction plate. Traditional powder metallurgy friction materials can no longer fully meet the high energy density friction system; the high cost of carbon / carbon friction materials, the brittleness of ceramic-based friction materials, and the low strength of paper-based friction materials restrict their large-scale promotion and application. Summary of the invention
[0004] The utility model mainly solves the deficiencies in the prior art and provides a marine gearbox wet clutch friction plate structure, which has the characteristics of compact structure, good operating stability and long service life, solves the problem of low braking efficiency and protects the normal operation of marine equipment.
[0005] The above technical problems of the utility model are mainly solved by the following technical solutions:
[0006] A marine gearbox wet clutch friction plate structure includes an assembled friction plate, one end surface of the assembled friction plate is provided with a copper-based friction plate which is nested and crimped with the assembled friction plate, and a steel band ring is provided between the copper-based friction plate and the assembled friction plate. The assembled friction plate includes a friction steel plate, an assembled inner gear ring is provided inside the friction steel plate, and an assembled boss ring which is integrated with the friction steel plate and nested with the steel band ring is provided between the assembled inner gear ring and the steel band ring.
[0007] Preferably, an asbestos heat insulation sheet is provided on the outer side of the friction steel sheet, and a plurality of heat dissipation oil grooves I distributed in an annular shape and connected to the assembled inner gear ring are provided on the upper end of the asbestos heat insulation sheet.
[0008] Preferably, the asbestos heat insulation sheet is provided with a plurality of countersunk rivets located between the heat dissipation oil grooves I and riveted through and fixed to the friction steel sheet.
[0009] Preferably, the copper-based friction plate comprises a core plate, and both end surfaces of the core plate are provided with a copper-based friction layer which is sintered and fixed to the core plate in an integrated manner.
[0010] Preferably, an assembly inner hole is provided in the core plate, and an outer gear ring is provided on the outer circle of the core plate.
[0011] Preferably, the copper-based friction layer is provided with a spiral groove, and the copper-based friction layer is provided with a heat dissipation oil groove II which is distributed in an annular shape and is connected to the spiral groove.
[0012] Preferably, the heat dissipation oil grooves II on both sides of the copper-based friction layer are arranged in an alternating manner.
[0013] The utility model can achieve the following effects:
[0014] The utility model provides a marine gearbox wet clutch friction plate structure, which has the characteristics of compact structure, good operation stability and long service life compared with the prior art, solves the problem of low braking efficiency and protects the normal operation of marine equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model.
[0016] Figure 2 It is a front view structural schematic diagram of the assembled friction disc in the utility model.
[0017] Figure 3 It is a rear view structural schematic diagram of the assembled friction disc in the utility model.
[0018] Figure 4 It is a schematic diagram of the front view structure of the copper-based friction plate in the utility model.
[0019] Figure 5 It is a structural cross-sectional view of the copper-based friction plate in the utility model.
[0020] In the figure: copper-based friction plate 1, steel belt ring 2, assembled friction disc 3, friction steel plate 4, assembled boss ring 5, assembled inner gear ring 6, countersunk rivet 7, asbestos insulation plate 8, heat dissipation oil groove Ⅰ 9, core plate 10, copper-based friction layer 11, heat dissipation oil groove Ⅱ 12, spiral groove 13, outer gear ring 14, assembled inner hole 15. DETAILED DESCRIPTION
[0021] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.
[0022] Example: Figure 1-5As shown, a friction plate structure of a wet clutch of a marine gearbox comprises an assembled friction plate 3, wherein the assembled friction plate 3 comprises a friction steel plate 4, wherein an assembled inner gear ring 6 is provided in the friction steel plate 4, and an assembled boss ring 5 which is integrated with the friction steel plate 4 and nested with the steel belt ring 2 is provided between the assembled inner gear ring 6 and the steel belt ring 2. An asbestos heat insulation plate 8 is provided on the outer side of the friction steel plate 4, and a plurality of heat dissipation oil passage grooves Ⅰ9 which are distributed in an annular manner and communicated with the assembled inner gear ring 6 are provided on the upper end of the asbestos heat insulation plate 8. A plurality of countersunk rivets 7 which are located between the heat dissipation oil passage grooves Ⅰ9 and are riveted and fixed to the friction steel plate 4 are provided on the asbestos heat insulation plate 8. A copper-based friction plate 1 which is nested and crimped and fixed to the assembled friction plate 3 is provided on one end face of the assembled friction plate 3, and the friction plate 1 comprises a core plate 10, wherein an assembled inner hole 15 is provided in the core plate 10, and an outer gear ring 14 is provided on the outer circle of the core plate 10. A copper-based friction layer 11 which is sintered and fixed to the core plate 10 in an integrated manner is provided on both end faces of the core plate 10. The copper-based friction layer 11 is provided with a spiral groove 13, and the copper-based friction layer 11 is provided with a heat dissipation oil groove II 12 which is distributed in an annular shape and communicated with the spiral groove 13. The heat dissipation oil groove II 12 on both sides of the copper-based friction layer 11 are alternately distributed. A steel belt ring 2 is provided between the copper-based friction plate 1 and the assembled friction disk 3.
[0023] In summary, the marine gearbox wet clutch friction plate structure has the characteristics of compact structure, good operating stability and long service life. It solves the problem of low braking efficiency and protects the normal operation of ship equipment.
[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numerals in the claims should not be regarded as limiting the claims involved.
[0025] In summary, the above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.
Claims
1. A marine gearbox wet clutch friction plate structure, Features: The invention comprises an assembled friction disc (3), wherein one end surface of the assembled friction disc (3) is provided with a copper-based friction plate (1) which is nested and crimped with the assembled friction disc (3), and a steel belt ring (2) is provided between the copper-based friction plate (1) and the assembled friction disc (3); the assembled friction disc (3) comprises a friction steel plate (4), wherein an assembled inner gear ring (6) is provided inside the friction steel plate (4), and an assembled boss ring (5) which is integrated with the friction steel plate (4) and nested and connected with the steel belt ring (2) is provided between the assembled inner gear ring (6) and the steel belt ring (2).
2. The marine gearbox wet clutch friction plate structure according to claim 1, Features: An asbestos heat insulation sheet (8) is provided on the outer side of the friction steel sheet (4), and a plurality of heat dissipation oil passage grooves I (9) which are distributed in an annular shape and communicated with the assembled inner gear ring (6) are provided on the upper end of the asbestos heat insulation sheet (8).
3. The marine gearbox wet clutch friction plate structure according to claim 2, Features: The asbestos heat insulation sheet (8) is provided with a plurality of countersunk rivets (7) located between the heat dissipation oil grooves I (9) and riveted through the friction steel sheet (4).
4. The marine gearbox wet clutch friction plate structure according to claim 1, Features: The copper-based friction plate (1) comprises a core plate (10), and both end surfaces of the core plate (10) are provided with a copper-based friction layer (11) which is sintered and fixed to the core plate (10) in an integrated manner.
5. The marine gearbox wet clutch friction plate structure according to claim 4, Features: An assembly inner hole (15) is provided in the core plate (10), and an outer gear ring (14) is provided on the outer circle of the core plate (10).
6. The marine gearbox wet clutch friction plate structure according to claim 4, Features: The copper-based friction layer (11) is provided with a spiral groove (13), and the copper-based friction layer (11) is provided with a heat dissipation oil groove II (12) distributed in an annular shape and connected to the spiral groove (13).
7. The marine gearbox wet clutch friction plate structure according to claim 6, Features: The heat dissipation oil grooves II (12) on both sides of the copper-based friction layer (11) are arranged alternately.