WO2023123330A1 - 一种防松动的高强度锥齿轮轴 - Google Patents

一种防松动的高强度锥齿轮轴 Download PDF

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Publication number
WO2023123330A1
WO2023123330A1 PCT/CN2021/143617 CN2021143617W WO2023123330A1 WO 2023123330 A1 WO2023123330 A1 WO 2023123330A1 CN 2021143617 W CN2021143617 W CN 2021143617W WO 2023123330 A1 WO2023123330 A1 WO 2023123330A1
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bevel gear
gear tooth
shaft
gear
transmission
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PCT/CN2021/143617
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English (en)
French (fr)
Inventor
吴福荣
吴俊波
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温岭市福荣齿轮有限公司
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Publication of WO2023123330A1 publication Critical patent/WO2023123330A1/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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • 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
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels

Definitions

  • the utility model relates to the technical field of bevel gear shafts, in particular to an anti-loosening high-strength bevel gear shaft.
  • the bevel gear shaft is a common mechanical part used to transmit torque. It is generally connected to the output shaft by a spline connection to realize power transmission.
  • the existing bevel gear shafts still have some deficiencies.
  • the existing bevel gear shaft has low strength when used after assembly, and its spline wears a lot, which greatly affects the installation stability of the bevel gear shaft, thereby effectively reducing the installation structural strength of the bevel gear shaft.
  • the transmission effect is delayed, the transmission torque is reduced, and there are certain defects in use.
  • the purpose of this utility model is to provide a kind of anti-loosening high-strength bevel gear shaft, to solve the problem that the bevel gear shaft on the market currently on the market proposed by the above-mentioned background technology is low in strength when assembled, and the wear degree of its spline is relatively large, thereby It greatly affects the installation stability of the bevel gear shaft, thereby effectively reducing the installation structural strength of the bevel gear shaft, causing the transmission effect to be delayed and the transmission torque to be reduced.
  • a high-strength bevel gear shaft for preventing loosening including a wheel shaft part, a gear tooth part and a transmission part, and the two ends of the wheel shaft part are respectively integrally provided with a gear tooth part and a transmission part, and the diameter of the transmission part is smaller than the diameter of the axle part;
  • the bevel tooth block is arranged on the outer side of the gear teeth at an equal angle in the circumferential direction, and is used to realize the meshing transmission;
  • the spline teeth are arranged on the outer side of the transmission part at equal angles in the circumferential direction, and are used to improve the connection stability.
  • the end surface of the gear tooth part is integrally provided with a connecting shaft, and the central axes of the gear tooth part and the connecting shaft coincide, and the connecting shaft is arranged in a cylindrical structure.
  • the connecting shaft can be used to connect with external bearings, thereby further supporting the bevel gear shaft and effectively improving the installation stability of the bevel gear shaft.
  • the radius of the large end taper pitch of the gear tooth portion is 39.9mm
  • the top taper of the gear tooth portion is 52°58′
  • the root cone angle of the gear tooth portion is 37°.
  • a carburized layer is provided on the outer side of the axle part and the gear tooth part, and the depth of the carburized layer at the axle part and the gear tooth part is 0.6-1.0mm, and the The quenching hardness of the carburized part is 58-62HRC, and the hardness of the center part of the axle and gear teeth is 25-40RHC.
  • the hardness and wear resistance of the axle portion and the gear tooth portion can be effectively improved, while the toughness and plasticity of the low-carbon steel at the center of both can be effectively improved, and the strength of the bevel gear shaft can be effectively improved.
  • 36 spline teeth are equiangularly arranged in the circumferential direction of the central axis of the transmission part, and the spline teeth are arranged in a triangular shape, and the included angle between the side walls of adjacent spline teeth is 90° °.
  • the bevel gear shaft can be stably connected to the output shaft through the spline teeth, effectively avoiding wear and loosening during use, and further improving the torque transmission effect.
  • the outer side of the axle portion is provided with a first slot and a second slot in a ring structure, and the included angle of the first slot is 105°, and the length of the second slot is 2mm.
  • the structural strength of the axle portion can be effectively improved, and the bending of the axle portion during the use of the bevel gear shaft can be effectively avoided, thereby affecting the normal transmission of torque.
  • the beneficial effect of the utility model is: the anti-loosening high-strength bevel gear shaft adopts a new structural design, which effectively improves the overall structural strength and connection stability of the bevel gear shaft, ensuring the normal transmission of torque , which also prolongs the service life and has strong practicability.
  • the specific content is as follows;
  • gear teeth and the first slot there are gear teeth and the first slot.
  • the wear of the bevel gear block during the meshing process can be effectively reduced, and the transmission stability can be improved.
  • the design of the first slot can effectively reduce the wheel shaft.
  • the bending resistance of the part further improves the structural strength.
  • the setting of the carburized layer can effectively improve the hardness and wear resistance of the axle part and the gear tooth part, and at the same time make the toughness and plasticity of the low carbon steel in the center of the two , further improving the strength of the bevel gear shaft;
  • Fig. 1 is the partial sectional structure schematic diagram of the utility model
  • Fig. 2 is a schematic diagram of the assembly structure of the utility model
  • Figure 3 is a schematic diagram of the side view structure of the gear teeth of the utility model
  • Fig. 4 is a schematic diagram of the side view structure of the spline tooth of the present invention.
  • Fig. 5 is a schematic diagram of the enlarged structure at A in Fig. 1 of the present utility model.
  • a high-strength bevel gear shaft for anti-loosening including a shaft part 1, a gear tooth part 2 and a transmission part 5, and the two ends of the shaft part 1 are respectively integrated
  • a gear tooth part 2 and a transmission part 5 are provided, and the diameter of the transmission part 5 is smaller than the diameter of the axle part 1;
  • the bevel tooth block 4 is arranged on the outer side of the gear tooth part 2 at an equal angle in the circumferential direction to realize the meshing transmission;
  • the spline teeth 6 are arranged on the outer side of the transmission part 5 at an equal angle in the circumferential direction to improve the connection stability sex.
  • the end face of the gear tooth part 2 is integrally provided with a connecting shaft 3, and the central axes of the gear tooth part 2 and the connecting shaft 3 are coincident, and the connecting shaft 3 is arranged in a cylindrical structure.
  • the transmission part 5 is keyed to the power output shaft through the spline teeth 6, and the spline teeth 6 with a mutual angle of 90° can effectively reduce wear during use, and then connect the connecting shaft 3 to the outside
  • the bearings are connected to achieve stable support for the other end of the bevel gear shaft, thereby effectively improving the installation stability of the bevel gear shaft and avoiding loosening during use.
  • the radius of the large end taper pitch of the gear tooth part 2 is 39.9mm, and the top taper of the gear tooth part 2 is 52°58', and the root cone angle of the gear tooth part 2 is 37°.
  • a carburized layer is provided on the outside of the axle part 1 and the gear tooth part 2, and the depth of the carburized layer at the axle part 1 and the gear tooth part 2 is 0.6-1.0mm, and the carburized part of the axle part 1 and the gear tooth part 2
  • the quenching hardness is 58-62HRC, and the hardness of the core of the axle part 1 and gear tooth part 2 is 25-40RHC.
  • the outer side of the axle portion 1 is provided with a first slot 7 and a second slot 8 of an annular structure, and the angle between the first slot 7 is 105°, and the length of the second slot 8 is 2mm, as shown in Figure 1 and As shown in Figure 5, through the setting of the carburized layer, the hardness and wear resistance of the axle part 1 and the gear tooth part 2 can be effectively improved, and at the same time, the toughness and plasticity of the low-carbon steel in the center of the two can be effectively improved, and the bevel gear can be effectively improved.
  • the strength of the shaft and the arrangement of the first slot 7 and the second slot 8 can effectively improve the structural strength of the axle part 1, and effectively prevent the shaft part 1 from being bent during use of the bevel gear shaft and affect the normal transmission of torque.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Gears, Cams (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Gear Transmission (AREA)

Abstract

本实用新型公开了一种防松动的高强度锥齿轮轴，包括轮轴部、轮齿部和传动部，所述轮轴部的两端分别一体化设置有轮齿部和传动部，且所述传动部的直径小于轮轴部的直径；还包括：锥齿块，周向等角度设置于所述轮齿部的外侧，用来实现啮合传动作用；花键齿，周向等角设置于所述传动部的外侧，用来提高连接稳定性，所述轮齿部的端面一体化设置有连接轴，且所述轮齿部和连接轴两者的中心轴线相重合，并且所述连接轴呈圆柱形结构设置。该防松动的高强度锥齿轮轴采用新型的结构设计，有效提高锥齿轮轴的整体结构强度和连接稳定性，确保了扭矩的正常传递，同时也延长了使用寿命，实用性强。

Description

一种防松动的高强度锥齿轮轴 技术领域
本实用新型涉及锥齿轮轴技术领域，具体为一种防松动的高强度锥齿轮轴。
背景技术
锥齿轮轴是一种常见的用来传递扭矩的机械部件，其一般采用花键连接的方式与输出轴进行连接，进而实现动力的传输，但是现有的锥齿轮轴仍存在着一些不足。
现有的锥齿轮轴在装配后使用时强度较低，其花键的磨损度较大，从而极大程度上影响锥齿轮轴的安装稳定性，进而有效降低了锥齿轮轴的安装结构强度，使得传动效果存在延迟，降低传动扭矩，存在着一定的使用缺陷。
所以我们提出了一种防松动的高强度锥齿轮轴，以便于解决上述中提出的问题。
实用新型内容
本实用新型的目的在于提供一种防松动的高强度锥齿轮轴，以解决上述背景技术提出的目前市场上锥齿轮轴在装配后使用时强度较低，其花键的磨损度较大，从而极大程度上影响锥齿轮轴的安装稳定性，进而有效降低了锥齿轮轴的安装结构强度，使得传动效果存在延迟，降低传动扭矩的问题。
为实现上述目的，本实用新型提供如下技术方案：一种防松动的高强度锥齿轮轴，包括轮轴部、轮齿部和传动部，所述轮轴部的两端分别一体化设置有轮齿部和传动部，且所述传动部的直径小于轮轴部的直径；
还包括：
锥齿块，周向等角度设置于所述轮齿部的外侧，用来实现啮合传动作用；
花键齿，周向等角设置于所述传动部的外侧，用来提高连接稳定性。
优选的，所述轮齿部的端面一体化设置有连接轴，且所述轮齿部和连接轴两者的中心轴线相重合，并且所述连接轴呈圆柱形结构设置。
通过采用上述技术方案，使得锥齿轮轴后续安装过程中，可以利用连接轴与外界的轴承进行连接，进而实现对锥齿轮轴的进一步支撑，有效提高锥齿轮轴的安装稳定性。
优选的，所述轮齿部的大端锥距的半径为39.9mm，且所述轮齿部的顶锥度为52°58′，并且所述轮齿部的根锥角为37°。
通过采用上述技术方案，使得锥齿轮轴使用过程中，可以有效减小啮合过程中锥齿块的磨损，提高锥齿块的结构强度，有效避免啮合过程中发生松动而影响扭矩传递。
优选的，所述轮轴部和轮齿部的外侧设置有渗碳层，且所述轮轴部和轮齿部处的渗碳层深度为0.6-1.0mm，并且所述轮轴部和轮齿部的渗碳部分的淬火硬度为58-62HRC，轮轴部和轮齿部的心部硬度为25-40RHC。
通过采用上述技术方案，可以有效提高轮轴部、轮齿部的硬度和耐磨性，同时使得两者的中心部低碳钢的韧性和塑性，有效提高了锥齿轮轴的强度。
优选的，所述花键齿关于传动部的中轴线周向等角度设置有36个，且所述花键齿为三角形状结构设置，并且相邻所述花键齿的侧壁夹角为90°。
通过采用上述技术方案，可以使得锥齿轮轴通过花键齿与输出轴进行稳定连接，有效避免使用过程中发生磨损和松动，进一步提高了扭矩的传递效果。
优选的，所述轮轴部的外侧开设有环形结构的第一切槽和第二切槽，且所述第一切槽的夹角为105°，并且所述第二切槽的长度为2mm。
通过采用上述技术方案，可以有效提高轮轴部的结构强度，有效避免锥齿轮轴使用过程中轮轴部发生弯折而影响扭矩的正常传递。
与现有技术相比，本实用新型的有益效果是：该防松动的高强度锥齿轮轴采用新型的结构设计，有效提高锥齿轮轴的整体结构强度和连接稳定性，确保了扭矩的正常传递，同时也延长了使用寿命，实用性强，其具体内容如下；
1、设置有轮齿部和第一切槽，通过轮齿部的改进设计，可以有效降低啮合过程中锥齿块的磨损，提高传动稳定性，同时第一切槽的设计，可以有效降低轮轴部的抗弯折性，进一步提高了结构强度，同时渗碳层的设置，可以有效提高轮轴部、轮齿部的硬度和耐磨性，同时使得两者的中心部低碳钢的韧性和塑性，进一步提高了锥齿轮轴的强度；
2、设置有传动部，通过传动部外侧花键齿的设置，可以便捷的将锥齿轮轴与动力输出轴进行稳定连接，有效减小传动过程中花键齿的磨损，提高了锥齿轮轴的连接稳定性，避开使用过程中发生松动而影响扭矩的正常传递。
附图说明
图1为本实用新型局部剖视结构示意图；
图2为本实用新型装配结构示意图；
图3为本实用新型轮齿部侧视结构示意图；
图4为本实用新型花键齿侧视结构示意图；
图5为本实用新型图1中A处放大结构示意图。
图中：1、轮轴部；2、轮齿部；3、连接轴；4、锥齿块；5、传动部；6、花键齿；7、第一切槽；8、第二切槽。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型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实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，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，都属于本实用新型保护的范围。
请参阅图1-5，本实用新型提供一种技术方案：一种防松动的高强度锥齿轮轴，包括轮轴部1、轮齿部2和传动部5，轮轴部1的两端分别一体化设置有轮齿部2和传动部5，且传动部5的直径小于轮轴部1的直径；
还包括：锥齿块4，周向等角度设置于轮齿部2的外侧，用来实现啮合传动作用；花键齿6，周向等角设置于传动部5的外侧，用来提高连接稳定性。
轮齿部2的端面一体化设置有连接轴3，且轮齿部2和连接轴3两者的中心轴线相重合，并且连接轴3呈圆柱形结构设置。花键齿6关于传动部5的中轴线周向等角度设置有36个，且花键齿6为三角形状结构设置，并且相邻花键齿6的侧壁夹角为90°，如图1-4所示，将传动部5通过花键齿6与动力输出轴进行键连接，相互夹角为90°的花键齿6可以有效减小使用过程中的磨损，然后将连接轴3与外界轴承进行连接，从而实现对锥齿轮轴另一端的稳定支撑，从而有效提高了锥齿轮轴的安装稳定性，避免使用过程中发生松动，装配完成后，使得两组轮齿部2通过锥齿块4进行啮合连接，从而实现动力的传输。
轮齿部2的大端锥距的半径为39.9mm，且轮齿部2的顶锥度为52°58′，并且轮齿部2的根锥角为37°。轮轴部1和轮齿部2的外侧设置有渗碳层，且轮轴部1和轮齿部2处的渗碳层深度为0.6-1.0mm，并且轮轴部1和轮齿部2的渗碳部分的淬火硬度为58-62HRC，轮轴部1和轮齿部2的心部硬度为25-40RHC。轮轴部1的外侧开设有环形结构的第一切槽7和第二切槽8，且第一切槽7的夹角为105°，并且第二切槽8的长度为2mm，如图1和图5所示，通过渗碳层的设置，可以有效提高轮轴部1、轮齿部2的硬度和耐磨性，同时使得两者的中心部低碳钢的韧性和塑性，有效提高了锥齿轮轴的强度，同时第一切槽7和第二切槽8的设置，可以有效提高轮轴部1的结构强度，有效 避免锥齿轮轴使用过程中轮轴部1发生弯折而影响扭矩的正常传递。
工作原理：在使用该防松动的高强度锥齿轮轴时，首先，如图1-5所示，在加工过程中，对轮轴部1、轮齿部2和连接轴3进行渗碳淬火，进而提高锥齿轮轴的整体结构强度，装配过程中，将传动部5与外界动力输出轴进行键连接，并将连接轴3与轴承进行连接，进而实现两端的支撑，使得两组轮齿部2的锥齿块4相互啮合，从而完成一系列工作。
本说明书中未作详细描述的内容属于本领域专业技术人员公知的现有技术。
尽管参照前述实施例对本实用新型进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。

Claims (6)

  1. 一种防松动的高强度锥齿轮轴，包括轮轴部(1)、轮齿部(2)和传动部(5)，所述轮轴部(1)的两端分别一体化设置有轮齿部(2)和传动部(5)，且所述传动部(5)的直径小于轮轴部(1)的直径；
    其特征在于，还包括：
    锥齿块(4)，周向等角度设置于所述轮齿部(2)的外侧，用来实现啮合传动作用；
    花键齿(6)，周向等角设置于所述传动部(5)的外侧，用来提高连接稳定性。
  2. 根据权利要求1所述的一种防松动的高强度锥齿轮轴，其特征在于：所述轮齿部(2)的端面一体化设置有连接轴(3)，且所述轮齿部(2)和连接轴(3)两者的中心轴线相重合，并且所述连接轴(3)呈圆柱形结构设置。
  3. 根据权利要求1所述的一种防松动的高强度锥齿轮轴，其特征在于：所述轮齿部(2)的大端锥距的半径为39.9mm，且所述轮齿部(2)的顶锥度为52°58′，并且所述轮齿部(2)的根锥角为37°。
  4. 根据权利要求1所述的一种防松动的高强度锥齿轮轴，其特征在于：所述轮轴部(1)和轮齿部(2)的外侧设置有渗碳层，且所述轮轴部(1)和轮齿部(2)处的渗碳层深度为0.6-1.0mm，并且所述轮轴部(1)和轮齿部(2)的渗碳部分的淬火硬度为58-62HRC，轮轴部(1)和轮齿部(2)的心部硬度为25-40RHC。
  5. 根据权利要求1所述的一种防松动的高强度锥齿轮轴，其特征在于：所述花键齿(6)关于传动部(5)的中轴线周向等角度设置有36个，且所述花键齿(6)为三角形状结构设置，并且相邻所述花键齿(6)的侧壁夹角为90°。
  6. 根据权利要求1所述的一种防松动的高强度锥齿轮轴，其特征在于：所述轮轴部(1)的外侧开设有环形结构的第一切槽(7)和第二切槽(8)， 且所述第一切槽(7)的夹角为105°，并且所述第二切槽(8)的长度为2mm。
PCT/CN2021/143617 2021-12-28 2021-12-31 一种防松动的高强度锥齿轮轴 WO2023123330A1 (zh)

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