Herringbone transmission gear structure of yacht gearbox
By adopting herringbone transmission gear structure and symmetric twill design in the yacht gear box, the problem of adding lateral force during the transmission of ordinary helical gears is solved, a more stable gearbox transmission is achieved, and the structural convenience is improved through the lubrication mechanism.
Patent Information
- Application Number
- CN202422002911.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-08-19
AI Technical Summary
In yacht gearboxes, ordinary helical gears may cause gears to switch between each other during speed change, increasing the lateral force on the shaft, thereby causing the yacht to feel jerking and affecting the stability of the gearbox.
The herringbone transmission gear structure is adopted, and the combination of the main mechanism and auxiliary mechanism includes the first herringbone transmission gear, the first linkage roller, the second herringbone transmission gear, the rotating roller, the waterproof motor, the hydraulic push rod and the hydraulic device, etc. The gears with a symmetric twill design are used to offset the lateral force during gear switching, and lubricate through the oil pump and the oil guide pipe.
It effectively offsets the lateral force during gear switching, improves the stability of the yacht gear box, and improves the convenience and practicality of the structure through the lubrication mechanism.
Smart Images

Figure CN222615931U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of yacht gear boxes, in particular to a herringbone transmission gear structure of a yacht gear box. Background Art
[0002] There are various forms of marine gearboxes, including reduction gearboxes, clutch reduction gearboxes, reverse and clutch reduction gearboxes, multi-speed gearboxes, multi-branch transmission gearboxes, multi-engine parallel gearboxes, fuel-diesel combined power transmission gearboxes, etc. According to the purpose, they can be divided into: ship main propulsion transmission and auxiliary engine transmission, ship operation machinery transmission; according to the working conditions, they can be divided into: light load high-speed ships and medium and heavy load ships. In terms of transmission form, there are fixed pitch transmission gearboxes and variable pitch transmission gearboxes; in terms of structural form, there are parallel shaft transmission, angle transmission, and there are same center, horizontal different center, vertical different center, etc.
[0003] If ordinary helical gears are used in yacht gearboxes, when the yacht changes speed, the gears switch with each other, and the lateral force on the shaft may increase, which will cause the yacht to feel a sense of frustration during the speed change process, thereby affecting the stability of the gearbox. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] The purpose of the utility model is to provide a herringbone transmission gear structure for a yacht gearbox, so as to solve the problem mentioned in the above background technology that if ordinary helical gears are used in a yacht gearbox, when the yacht changes speed, the gears switch with each other, and the lateral force on the shaft may increase, thereby causing the yacht to feel frustrated during the speed change process, thereby affecting the stability of the gearbox.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a yacht gearbox herringbone transmission gear structure, comprising a main mechanism and an auxiliary mechanism, the auxiliary mechanism is located at the outer end of the main mechanism, the main mechanism comprises a first herringbone transmission gear, a first linkage roller and a second herringbone transmission gear, the first linkage roller is fixedly arranged on the inner side of the second herringbone transmission gear, and the second herringbone transmission gear is fixedly arranged on the outer side of the first linkage roller; the main mechanism comprises a rotating roller, a waterproof motor, a third herringbone transmission gear, a second linkage roller, a fourth herringbone transmission gear, a hydraulic push rod 1, a hydraulic device 1, a hydraulic push rod 2, a fifth herringbone transmission gear, a sixth herringbone transmission gear and a hydraulic device 2, the rotating roller is fixedly installed on the right side of the first linkage roller.
[0008] Preferably, the waterproof motor is fixedly installed on the right side of the rotating roller, and the third herringbone transmission gear is movably installed on the lower end of the first herringbone transmission gear. The third herringbone transmission gear is meshed and connected to the first herringbone transmission gear. When the waterproof motor is started, it drives the first linkage roller to rotate. The rotation of the first linkage roller drives the first herringbone transmission gear and the second herringbone transmission gear to rotate, thereby effectively improving the practicality of the structure.
[0009] Preferably, the second linkage roller is fixedly mounted on the left side of the third herringbone transmission gear, the fourth herringbone transmission gear is fixedly arranged at the outer end of the second linkage roller, and the hydraulic push rod is movably mounted on the right side of the third herringbone transmission gear. When the hydraulic device is started, the hydraulic push rod is driven to perform telescopic movement, thereby driving the third transmission gear and the fourth transmission gear to engage with the first herringbone transmission gear and the second herringbone transmission gear, thereby realizing transmission, thereby effectively improving the practicability of the structure.
[0010] Preferably, the hydraulic device 1 is fixedly installed on the right side of the hydraulic push rod 1, and the hydraulic push rod 2 is movably installed above the fourth herringbone transmission gear. When the hydraulic device 2 is started, the hydraulic push rod 2 is driven to perform telescopic movement, which then drives the other herringbone transmission gears to engage with the first herringbone transmission gear and the second herringbone transmission gear, thereby realizing transmission, and then drives the fifth transmission gear and the sixth transmission gear to engage with the first herringbone transmission gear and the second herringbone transmission gear, thereby realizing transmission, thereby effectively improving the practicality of the structure.
[0011] Preferably, the fifth herringbone transmission gear is fixedly installed on the right side of the hydraulic push rod 2, and the hydraulic device 2 is fixedly installed above the hydraulic device 1. Each herringbone transmission gear adopts a symmetrical twill design, which can well offset the lateral force generated when the gears are switched, and effectively improve the stability of the structure.
[0012] Preferably, the auxiliary mechanism includes a lubricating oil tank, an oil pump and an oil guide pipe. The lubricating oil tank is fixedly installed above the waterproof motor, and the oil pump pumps the lubricating oil in the lubricating oil tank to the oil guide pipe, which effectively improves the convenience of the structure. Preferably, the oil pump is fixedly installed on the left side of the lubricating oil tank, and the oil guide pipe is fixedly installed on the left side of the oil pump. The oil guide pipe delivers oil to each herringbone transmission gear to play a lubricating role, which effectively improves the convenience of the structure.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The herringbone transmission gear structure of the yacht gearbox is installed on the main body, the waterproof motor is started, and the first linkage roller is driven to rotate. The rotation of the first linkage roller drives the first herringbone transmission gear and the second herringbone transmission gear to rotate. The hydraulic device 1 and the hydraulic device 2 are started, and the hydraulic push rod 1 and the hydraulic push rod 2 are driven to perform telescopic movement respectively, and then drive the other herringbone transmission gears to mesh with the first herringbone transmission gear and the second herringbone transmission gear, and then realize transmission. Each herringbone transmission gear adopts a symmetrical twill design, which can well offset the lateral force generated when the gear is switched, and effectively improve the stability of the structure;
[0015] 2. The herringbone transmission gear structure of the yacht gearbox, through the installation of auxiliary mechanisms, the oil pump pumps the lubricating oil inside the lubricating oil tank to the oil guide pipe, and then the oil guide pipe delivers oil to each herringbone transmission gear, which plays a lubricating role and effectively improves the convenience of the structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of a partial three-dimensional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0018] Figure 3 It is a schematic diagram of a partial cross-sectional structure of the utility model;
[0019] Figure 4 It is a schematic diagram of the partial cross-section structure of the utility model.
[0020] In the figure: 1. main mechanism; 101. first herringbone transmission gear; 102. first linkage roller; 103. second herringbone transmission gear; 104. rotating roller; 105. waterproof motor; 106. third herringbone transmission gear; 107. second linkage roller; 108. fourth herringbone transmission gear; 109. hydraulic push rod one; 110. hydraulic device one; 111. hydraulic push rod two; 112. fifth herringbone transmission gear; 113. sixth herringbone transmission gear; 114. hydraulic device two; 2. auxiliary mechanism; 201. lubricating oil tank; 202. oil pump; 203. oil guide pipe. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions 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.
[0022] See also Figure 1-Figure 4The utility model provides a technical solution: a herringbone transmission gear structure of a yacht gearbox, comprising a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located at the outer end of the main mechanism 1, the main mechanism 1 comprises a first herringbone transmission gear 101, a first linkage roll 102 and a second herringbone transmission gear 103, the first linkage roll 102 is fixedly arranged on the inner side of the second herringbone transmission gear 103, and the second herringbone transmission gear 103 is fixedly arranged on the outer side of the first linkage roll 102; the main mechanism 1 comprises a rotating roll 104, a waterproof motor 105, a third herringbone transmission gear 106, a second linkage roll 107, a fourth herringbone transmission gear 108, a hydraulic push rod 109, a hydraulic device 110, a hydraulic push rod 2 111, a fifth herringbone transmission gear 112, a sixth herringbone transmission gear 113 and a hydraulic device 2 114, the rotating roll 104 is fixedly installed On the right side of the first linkage roller 102, the waterproof motor 105 is fixedly mounted on the right side of the rotating roller 104, the third herringbone transmission gear 106 is movably mounted on the lower end of the first herringbone transmission gear 101, the third herringbone transmission gear 106 is meshed and connected to the first herringbone transmission gear 101, the second linkage roller 107 is fixedly mounted on the left side of the third herringbone transmission gear 106, the fourth herringbone transmission gear 108 is fixedly arranged at the outer end of the second linkage roller 107, the hydraulic push rod 1 109 is movably mounted on the right side of the third herringbone transmission gear 106, the hydraulic device 1 110 is fixedly mounted on the right side of the hydraulic push rod 1 109, the hydraulic push rod 2 111 is movably mounted above the fourth herringbone transmission gear 108, the fifth herringbone transmission gear 112 is fixedly mounted on the right side of the hydraulic push rod 2 111, and the hydraulic device 2 114 is fixedly mounted above the hydraulic device 1 110.
[0023] The auxiliary mechanism 2 includes a lubricating oil tank 201, an oil pump 202 and an oil guide pipe 203. The lubricating oil tank 201 is fixedly installed above the waterproof motor 105, the oil pump 202 is fixedly installed on the left side of the lubricating oil tank 201, and the oil guide pipe 203 is fixedly installed on the left side of the oil pump 202. When the herringbone transmission gear structure of the yacht gear box is used, the waterproof motor 105 is started to drive the first linkage roller 102 to rotate, and the rotation of the first linkage roller 102 drives the first herringbone transmission gear 101 and the second herringbone transmission gear 103 to rotate, and the oil pressure device 110 is turned on. And the oil pressure device 2 114 is started, driving the oil pressure push rod 1 109 and the oil pressure push rod 2 111 to do telescopic movement respectively, and then driving the other herringbone transmission gears to engage with the first herringbone transmission gear 101 and the second herringbone transmission gear 103, and then realizing transmission. Each herringbone transmission gear adopts a symmetrical twill design, which can well offset the lateral force generated when the gear is switched. The oil pump 202 pumps the lubricating oil inside the lubricating oil tank 201 to the oil guide pipe 203, and then the oil guide pipe 203 delivers oil to each herringbone transmission gear to play a lubricating role.
[0024] Working principle: when using the herringbone transmission gear structure of the yacht gearbox, the waterproof motor 105 is started to drive the first linkage roller 102 to rotate, and the rotation of the first linkage roller 102 drives the first herringbone transmission gear 101 and the second herringbone transmission gear 103 to rotate, and the hydraulic device 1 110 and the hydraulic device 2 114 are started to drive the hydraulic push rod 1 109 and the hydraulic push rod 2 111 to do telescopic movement respectively, and then drive other herringbone transmission gears to engage with the first herringbone transmission gear 101 and the second herringbone transmission gear 103, and then realize transmission. Each herringbone transmission gear adopts a symmetrical twill design, which can well offset the lateral force generated when the gear is switched. The oil pump 202 pumps the lubricating oil inside the lubricating oil tank 201 to the oil guide pipe 203, and then the oil guide pipe 203 delivers oil to each herringbone transmission gear to play a lubricating role.
[0025] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. A herringbone transmission gear structure for a yacht gearbox, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located at the outer end of the main mechanism (1); the main mechanism (1) comprises a first herringbone transmission gear (101), a first linkage roller (102) and a second herringbone transmission gear (103); the first linkage roller (102) is fixedly arranged on the inner side of the second herringbone transmission gear (103); and the second herringbone transmission gear (103) is fixedly arranged on the outer side of the first linkage roller (102); The main mechanism (1) comprises a rotating roller (104), a waterproof motor (105), a third herringbone transmission gear (106), a second linkage roller (107), a fourth herringbone transmission gear (108), a first hydraulic push rod (109), a first hydraulic device (110), a second hydraulic push rod (111), a fifth herringbone transmission gear (112), a sixth herringbone transmission gear (113) and a second hydraulic device (114); the rotating roller (104) is fixedly mounted on the right side of the first linkage roller (102).
2. The herringbone transmission gear structure of a yacht gearbox according to claim 1, characterized in that: The waterproof motor (105) is fixedly mounted on the right side of the rotating roller (104), the third herringbone transmission gear (106) is movably mounted on the lower end of the first herringbone transmission gear (101), and the third herringbone transmission gear (106) is meshedly connected to the first herringbone transmission gear (101).
3. The herringbone transmission gear structure of a yacht gearbox according to claim 2, characterized in that: The second linkage roller (107) is fixedly mounted on the left side of the third herringbone transmission gear (106), the fourth herringbone transmission gear (108) is fixedly arranged on the outer end of the second linkage roller (107), and the hydraulic push rod 1 (109) is movably mounted on the right side of the third herringbone transmission gear (106).
4. The herringbone transmission gear structure of a yacht gearbox according to claim 3, characterized in that: The hydraulic device 1 (110) is fixedly mounted on the right side of the hydraulic push rod 1 (109), and the hydraulic push rod 2 (111) is movably mounted above the fourth herringbone transmission gear (108).
5. The herringbone transmission gear structure of a yacht gearbox according to claim 4, characterized in that: The fifth herringbone transmission gear (112) is fixedly mounted on the right side of the second hydraulic push rod (111), and the second hydraulic device (114) is fixedly mounted above the first hydraulic device (110).
6. The herringbone transmission gear structure of a yacht gearbox according to claim 5, characterized in that: The auxiliary mechanism (2) comprises a lubricating oil tank (201), an oil pump (202) and an oil guide pipe (203); the lubricating oil tank (201) is fixedly mounted above the waterproof motor (105).
7. The herringbone transmission gear structure of a yacht gearbox according to claim 6, characterized in that: The oil pump (202) is fixedly mounted on the left side of the lubricating oil tank (201), and the oil guide pipe (203) is fixedly mounted on the left side of the oil pump (202).