WO2018086441A1 - 用于加工rov推进器修型齿轮的刀具 - Google Patents

用于加工rov推进器修型齿轮的刀具 Download PDF

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Publication number
WO2018086441A1
WO2018086441A1 PCT/CN2017/106489 CN2017106489W WO2018086441A1 WO 2018086441 A1 WO2018086441 A1 WO 2018086441A1 CN 2017106489 W CN2017106489 W CN 2017106489W WO 2018086441 A1 WO2018086441 A1 WO 2018086441A1
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Prior art keywords
tooth
hob
rov
gear
tool
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PCT/CN2017/106489
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English (en)
French (fr)
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魏建仓
崔春皓
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天津深之蓝海洋设备科技有限公司
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Application filed by 天津深之蓝海洋设备科技有限公司 filed Critical 天津深之蓝海洋设备科技有限公司
Priority to EP17869170.5A priority Critical patent/EP3412394A4/en
Priority to US16/074,864 priority patent/US20190047064A1/en
Priority to AU2017357256A priority patent/AU2017357256A1/en
Priority to JP2018536411A priority patent/JP6591077B2/ja
Publication of WO2018086441A1 publication Critical patent/WO2018086441A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12—Milling tools
    • B23F21/16—Hobs
    • 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
    • F16H55/08—Profiling

Definitions

  • the present disclosure generally relates to ROV thrusters, and more particularly to tools for machining ROV thruster trimming gears.
  • ROV Remote Operated Vehicle
  • the micro ROV comes with its own energy and is smart to operate. It carries miniature cameras and sensors. It can expand the scope of the manned submersible and can work in a narrow and dangerous area where the manned submersible is inconvenient or inaccessible.
  • the ROV drive mainly relies on ROV propellers mounted on both sides and the rear of the ROV.
  • gears are needed in the ROV propeller, such as the planetary gears on the planetary reducer, and the ROV propeller motor shaft for the planetary reducer.
  • the gears used in the ROV propellers in the prior art are standard gears manufactured according to industry standards. When the teeth enter and disengage, the impact and noise are generated due to the angular velocity fluctuation caused by the gear teeth error and the load deformation. The generation of such phenomena is difficult to avoid even if the gears with high precision are manufactured.
  • the present disclosure relates to a tool for machining a ROV propeller trimming gear, including a tool holder and a hob disposed on the tool holder, the hob including a plurality of continuously linearly arranged hobbing, any of the rolls
  • the tooth height of the tooth is 1.65 cm, wherein the tooth root height is 0.975 cm and the tooth tip height is 0.675 cm; the tooth thickness of any of the hobbing teeth is 0.946 cm, the tooth tip circle radius is 0.324 cm, and the root radius is 0.163cm, the tooth thread angle is 1°7′18′′, the direction of rotation is right-handed; the pitch of adjacent two hobbing teeth is 1.885cm;
  • the modulus of the hob is 0.6, the number of slots is 12, the pressure angle is 20°; the helix angle of the cutting groove is 0°, the direction of rotation is a straight groove; the radius of the base circle is 0.823 cm, and the base circle angle is 20°. 1'49"; the ROV thruster trimming gear is machined by the hob hobbing.
  • the hob is made of cemented carbide
  • the heat treatment hardness is HRC 63-66
  • the adjacent circumferential section of the chip flute is 0.016 cm
  • the maximum cumulative error of the chip pocket is 0.02 cm.
  • the shape error is 0.003 cm
  • the spiral error of the adjacent cutting edge is 0.004 cm
  • the spiral error of the cutting edge in one revolution is 0.006 cm
  • the spiral error of the cutting edge in three turns is 0.01 cm.
  • the ROC thruster trimming gear obtained by the hob hobbing process has a modulus of 0.6, a pressure angle of 20 degrees, a number of teeth of 12, and a tooth tip circle diameter of any tooth of 8.16 mm.
  • the diameter of the root circle is 5.85mm
  • the height of the root is 1.130mm
  • the diameter of the starting circle of the involute is 6.767mm.
  • the left and right flank of any tooth are drum-shaped, and the ends of the upper and lower ends of the top of the tooth The edge lines are respectively inclined inward by a predetermined angle.
  • the ROG thruster gears resulting from the hob hobbing process are suitable for use in the sun gear and planet gears of the ROV thruster.
  • the tool for processing the ROV propeller trimming gear provided by the present disclosure has modified the tooth top and the root edge and the tooth direction of the conventional gear, and the modification of the gear changes the meshing performance of the gear to make the gear run. It is more stable, reduces the noise and vibration of the gear, makes the tooth width load distribution even, improves the bearing capacity of the gear and prolongs the life of the gear.
  • FIG. 1 is a schematic structural view of a tool for processing a ROV propeller trimming gear according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a trimming gear provided by an embodiment of the present disclosure.
  • a tool for processing a ROV propeller trimming gear includes a tool holder and a hob disposed on the tool holder, the hob including a plurality of continuously linearly arranged hobbing teeth.
  • the tooth height of any of the hobbing teeth is 1.65 cm, wherein the root height is 0.975 cm and the height of the tooth tip is 0.675 cm; the tooth thickness of any of the hobbing teeth is 0.946 cm, and the radius of the addendum circle is 0.324 cm.
  • the tooth root circle radius is 0.163cm, the tooth thread angle is 1°7′18′′, the direction of rotation is right-handed; the pitch of adjacent two hobbing teeth is 1.885cm;
  • the modulus of the hob is 0.6, the number of slots is 12, the pressure angle is 20°; the helix angle of the cutting groove is 0°, the direction of rotation is a straight groove; the radius of the base circle is 0.823 cm, and the base circle angle is 20°. 1'49"; the ROV thruster trimming gear is machined by the hob hobbing.
  • the tool for processing the ROV propeller trimming gear provided by the present disclosure has modified the tooth top and the root edge and the tooth direction of the conventional gear, and the modification of the gear changes the meshing performance of the gear to make the gear run. It is more stable, reduces the noise and vibration of the gear, makes the tooth width load distribution even, improves the bearing capacity of the gear and prolongs the life of the gear.
  • the hob is made of cemented carbide
  • the heat treatment hardness is HRC 63-66
  • the adjacent circumferential section of the chip flute is 0.016 cm
  • the maximum cumulative error of the chip pocket is 0.02 cm.
  • the shape error is 0.003 cm
  • the spiral error of the adjacent cutting edge is 0.004 cm
  • the spiral error of the cutting edge in one revolution is 0.006 cm
  • the spiral error of the cutting edge in three turns is 0.01 cm.
  • the ROG thruster gear of the hob hobbing process has a modulus of 0.6, a pressure angle of 20 degrees, a number of teeth of 12, and a tip diameter of any of the teeth.
  • the diameter of the root circle is 5.85mm
  • the height of the root is 1.130mm
  • the diameter of the starting circle of the involute is 6.767mm.
  • the left and right flank of any tooth are drum-shaped.
  • the end edge lines at both ends are respectively inclined inward by a predetermined angle.
  • 11 in FIG. 2 is the modified tooth profile
  • 12 is the tooth profile before the trimming
  • 13 is the tooth orientation after the trimming.
  • the planetary reducer rotates at a high speed, the vibration is very small, and the noise is reduced (from 85 decibels before the trimming to between 66 and 70 decibels). ), the planetary reducer slows down due to mechanical friction, and the maximum temperature is reduced from 60 degrees to 47 degrees.
  • the ROG thruster gears resulting from the hob hobbing process are suitable for use in the sun gear and planet gears of the ROV thruster.
  • the sun gear adopts the cutter for processing the ROV propeller repairing gear provided by the present disclosure to perform hobbing processing, and the gear precision grade reaches the level 6 precision required by GB2363-90; the planetary gear adopts the use provided by the present disclosure.
  • the tool for processing the ROV propeller repairing gear is hobbing processing, the gear precision grade reaches the 6-level precision required by GB2363-90; the ring gear adopts high-precision slow wire cutting, and the gear precision grade reaches the requirement of GB2363-90. Level accuracy.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Retarders (AREA)
  • Gear Processing (AREA)
  • Gears, Cams (AREA)

Abstract

公开了用于加工ROV推进器修型齿轮的刀具，包括刀架和设置在刀架上的滚刀，所述滚刀包括多个连续线性排列的滚齿，任一所述滚齿的齿高为1.65cm，其中，齿根高为0.975cm，齿顶高为0.675cm；任一所述滚齿的齿厚为0.946cm，齿顶圆半径为0.324cm，齿根圆半径为0.163cm，齿螺纹升角为1°7'18"，旋向为右旋；相邻两个滚齿的齿距为1.885cm；所述滚刀的模数为0.6，槽数为12，压力角为20°；刃沟的螺旋角为0°，旋向为直槽；基圆半径为0.823cm，基圆升角为20°1'49"；所述ROV推进器修型齿轮由所述滚刀滚齿加工得到。

Description

用于加工ROV推进器修型齿轮的刀具
本公开要求2016年11月8日向中华人民共和国国家知识产权局提交的申请号为201610981636.8、发明名称为“一种用于加工ROV推进器修型齿轮的刀具”的中国专利申请的全部权益，并将该申请以援引的方式全部并入本公开中。
领域
本公开大体上涉及ROV推进器，更具体地涉及用于加工ROV推进器修型齿轮的刀具。
背景
ROV(Remote Operated Vehicle，无人遥控潜水器)是用于水下观察、检查和施工的水下机器人。微型ROV自带能源，运行灵巧，携带有微型摄像机和传感器，可以扩展载人潜水器的观测范围，能深入载人潜水器不便或不能进入的狭小危险区域进行工作。
ROV的驱动主要是依靠安装在ROV两侧及尾部的ROV推进器，ROV推进器中需要用到齿轮的地方很多，比如行星减速机上的行星轮，ROV推进器电机转轴上用于与行星减速机连接的太阳轮，还有其他连接部件上设置的齿圈等。现有技术中ROV推进器中使用的齿轮都是按行业标准制造的标准齿轮，当轮齿进入啮合和脱离啮合时，由于轮齿误差、受载变形引起角速度脉动变化而产生冲击和噪声，这种现象的产生即使制造精度很高的齿轮也难以避免。过去人们力求使齿轮的精度尽可能地接近理论齿形，实践证明，在高速重载传动时，符合理论齿形的齿轮反而不能满足精密啮合的要求，而采用齿顶、齿根修缘和齿向修型后，能有效地改善啮合的性能，减少啮合冲击，降低噪音，也能使齿宽载荷分布均匀，提高齿轮的承载能力。
概述
一方面，本公开涉及用于加工ROV推进器修型齿轮的刀具，包括刀架和设置在刀架上的滚刀，所述滚刀包括多个连续线性排列的滚齿，任一所述滚齿的齿高为1.65cm，其中，齿根高为0.975cm，齿顶高为0.675cm；任一所述滚齿的齿厚为0.946cm，齿顶圆半径为0.324cm，齿根圆半径为0.163cm，齿螺纹升角为1°7′18″，旋向为右旋；相邻两个滚齿的齿距为1.885cm；
所述滚刀的模数为0.6，槽数为12，压力角为20°；刃沟的螺旋角为0°，旋向为直槽；基圆半径为0.823cm，基圆升角为20°1′49″；所述ROV推进器修型齿轮由所述滚刀滚齿加工得到。
在某些实施方案中，所述滚刀由硬质合金制成，热处理硬度为HRC63～66；容屑槽相邻周节差为0.016cm，容屑槽周节最大累积误差为0.02cm，齿形误差为0.003cm，相邻切削刃的螺旋线误差为0.004cm，一转内切削刃螺旋线误差为0.006cm，三转内切削刃螺旋线误差为0.01cm。
在某些实施方案中，所述滚刀滚齿加工得到的ROV推进器修型齿轮的模数为0.6，压力角为20度，齿数为12，任一齿的齿顶圆直径为8.16mm，齿根圆直径为5.85mm，齿根高为1.130mm，成品渐开线起始圆直径为6.767mm；任一齿的左齿面和右齿面皆为鼓形，齿顶上部左右两端的端部边缘线分别向内倾斜预设角度。
在某些实施方案中，所述滚刀滚齿加工得到的ROV推进器修型齿轮适用于ROV推进器的太阳轮和行星轮中。
本公开提供的这种用于加工ROV推进器修型齿轮的刀具，对传统齿轮的齿顶和齿根边缘及齿向做了修型，齿轮的修型改变了齿轮的啮合性能，使齿轮运转更平稳，降低了齿轮的噪音和振动，使齿宽载荷分布均匀，提高了齿轮的承载能力，延长了齿轮寿命。
附图简要说明
图1为本公开一实施例提供的用于加工ROV推进器修型齿轮的刀具的结构示意图；
图2为本公开一实施例提供的修型齿轮的结构示意图。
详述
下面通过附图和实施例，对本公开的技术方案做进一步的详细描述。
参见图1，本公开一实施例提供的用于加工ROV推进器修型齿轮的刀具，包括刀架和设置在刀架上的滚刀，所述滚刀包括多个连续线性排列的滚齿，任一所述滚齿的齿高为1.65cm，其中，齿根高为0.975cm，齿顶高为0.675cm；任一所述滚齿的齿厚为0.946cm，齿顶圆半径为0.324cm，齿根圆半径为0.163cm，齿螺纹升角为1°7′18″，旋向为右旋；相邻两个滚齿的齿距为1.885cm；
所述滚刀的模数为0.6，槽数为12，压力角为20°；刃沟的螺旋角为0°，旋向为直槽；基圆半径为0.823cm，基圆升角为20°1′49″；所述ROV推进器修型齿轮由所述滚刀滚齿加工得到。
本公开提供的这种用于加工ROV推进器修型齿轮的刀具，对传统齿轮的齿顶和齿根边缘及齿向做了修型，齿轮的修型改变了齿轮的啮合性能，使齿轮运转更平稳，降低了齿轮的噪音和振动，使齿宽载荷分布均匀，提高了齿轮的承载能力，延长了齿轮寿命。
在某些实施方案中，所述滚刀由硬质合金制成，热处理硬度为HRC63～66；容屑槽相邻周节差为0.016cm，容屑槽周节最大累积误差为0.02cm，齿形误差为0.003cm，相邻切削刃的螺旋线误差为0.004cm，一转内切削刃螺旋线误差为0.006cm，三转内切削刃螺旋线误差为0.01cm。
参见图2，在某些实施方案中，所述滚刀滚齿加工得到的ROV推进器修型齿轮的模数为0.6，压力角为20度，齿数为12，任一齿的齿顶圆直径为 8.16mm，齿根圆直径为5.85mm，齿根高为1.130mm，成品渐开线起始圆直径为6.767mm；任一齿的左齿面和右齿面皆为鼓形，齿顶上部左右两端的端部边缘线分别向内倾斜预设角度。
需要说明的是，附图2中的11为修型后的齿轮廓，12为修型前的齿轮廓，13为修型后的齿向。
将该修型齿轮应用到ROV推进器的电机及行星减速机上后，行星减速机高速旋转时，震动非常小，噪音降低(由修型前的85分贝以上降低到修型66至70分贝之间)，行星减速机由于机械摩擦升温速度变慢，最高温度由之前的60度降低到47度。
在某些实施方案中，所述滚刀滚齿加工得到的ROV推进器修型齿轮适用于ROV推进器的太阳轮和行星轮中。
太阳轮采用本公开提供的这种用于加工ROV推进器修型齿轮的刀具进行滚齿加工，齿轮精度等级达GB2363-90所要求的6级精度；行星轮采用采用本公开提供的这种用于加工ROV推进器修型齿轮的刀具进行滚齿加工，齿轮精度等级达GB2363-90所要求的6级精度；齿圈采用高精度慢走丝线切割，齿轮精度等级达GB2363-90所要求的5级精度。
本公开不局限于上述最佳实施方式，任何人在本公开的启示下都可得出其他各种形式的产品，但不论在其形状或结构上作任何变化，凡是具有与本公开相同或相近似的技术方案，均落在本公开的保护范围之内。术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。术语“多个”指两个或两个以上，除非另有明确的限定。

Claims (4)

  1. 一种用于加工ROV推进器修型齿轮的刀具，包括刀架和设置在刀架上的滚刀，其特征在于，所述滚刀包括多个连续线性排列的滚齿，任一所述滚齿的齿高为1.65cm，其中，齿根高为0.975cm，齿顶高为0.675cm；任一所述滚齿的齿厚为0.946cm，齿顶圆半径为0.324cm，齿根圆半径为0.163cm，齿螺纹升角为1°7′18″，旋向为右旋；相邻两个滚齿的齿距为1.885cm；
    所述滚刀的模数为0.6，槽数为12，压力角为20°；刃沟的螺旋角为0°，旋向为直槽；基圆半径为0.823cm，基圆升角为20°1′49″；所述ROV推进器修型齿轮由所述滚刀滚齿加工得到。
  2. 根据权利要求1所述的用于加工ROV推进器修型齿轮的刀具，其特征在于，所述滚刀由硬质合金制成，热处理硬度为HRC63～66；容屑槽相邻周节差为0.016cm，容屑槽周节最大累积误差为0.02cm，齿形误差为0.003cm，相邻切削刃的螺旋线误差为0.004cm，一转内切削刃螺旋线误差为0.006cm，三转内切削刃螺旋线误差为0.01cm。
  3. 根据权利要求1或2所述的用于加工ROV推进器修型齿轮的刀具，其特征在于，所述滚刀滚齿加工得到的ROV推进器修型齿轮的模数为0.6，压力角为20度，齿数为12，任一齿的齿顶圆直径为8.16mm，齿根圆直径为5.85mm，齿根高为1.130mm，成品渐开线起始圆直径为6.767mm；任一齿的左齿面和右齿面皆为鼓形，齿顶上部左右两端的端部边缘线分别向内倾斜预设角度。
  4. 根据权利要求3所述的用于加工ROV推进器修型齿轮的刀具，其特征在于，所述滚刀滚齿加工得到的ROV推进器修型齿轮适用于ROV推进器的太阳轮和行星轮中。
PCT/CN2017/106489 2016-11-08 2017-10-17 用于加工rov推进器修型齿轮的刀具 WO2018086441A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17869170.5A EP3412394A4 (en) 2016-11-08 2017-10-17 TOOL FOR MACHINING A MODIFIED GEAR OF A REMOTE CONTROLLED VEHICLE THRUSTER
US16/074,864 US20190047064A1 (en) 2016-11-08 2017-10-17 Cutters For ROV Propeller Gear Modification
AU2017357256A AU2017357256A1 (en) 2016-11-08 2017-10-17 Cutters for ROV propeller gear modification
JP2018536411A JP6591077B2 (ja) 2016-11-08 2017-10-17 Ｒｏｖ推進器の歯形修整歯車の加工に用いられる切削工具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610981636.8 2016-11-08
CN201610981636.8A CN106392203B (zh) 2016-11-08 2016-11-08 一种用于加工rov推进器修型齿轮的刀具

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Publication Number Publication Date
WO2018086441A1 true WO2018086441A1 (zh) 2018-05-17

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AU2017357256A1 (en) 2018-08-16
US20190047064A1 (en) 2019-02-14
EP3412394A4 (en) 2019-11-13
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