WO2018121725A1 - Dispositif de pressage de colonne de direction - Google Patents

Dispositif de pressage de colonne de direction Download PDF

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Publication number
WO2018121725A1
WO2018121725A1 PCT/CN2017/119767 CN2017119767W WO2018121725A1 WO 2018121725 A1 WO2018121725 A1 WO 2018121725A1 CN 2017119767 W CN2017119767 W CN 2017119767W WO 2018121725 A1 WO2018121725 A1 WO 2018121725A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear shaft
steering gear
top plate
pressing device
base
Prior art date
Application number
PCT/CN2017/119767
Other languages
English (en)
Chinese (zh)
Inventor
李冠佑
李群
熊友军
Original Assignee
深圳市优必选科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市优必选科技有限公司 filed Critical 深圳市优必选科技有限公司
Publication of WO2018121725A1 publication Critical patent/WO2018121725A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same

Definitions

  • the present invention relates to the field of steering gears, and more particularly to a steering gear shaft pressing device.
  • Steering gears are generally used in applications where the angle of rotation is controlled or where high torque is provided, such as RC mode steering, pan/tilt control, and robotic power.
  • the steering gear reducer is an important part of the steering gear.
  • the conventional steering gear reducer consists of multi-stage gears.
  • the steering gear reducer consists of a four-stage reduction system, including motor teeth 1, primary gear 2, secondary gear 3, tertiary gear 4, and output.
  • the motor tooth 1 is mounted on the motor shaft, and is positioned by the motor boss and the reduction gear body, and the output tooth 5 is positioned by the two support bearings 6 and the reduction gear body.
  • the primary teeth 2, the secondary teeth 3 and the tertiary teeth 4 are all mounted in the reduction gear body 20 by the steering gear shaft 7.
  • a gear shaft hole 21 corresponding to the steering gear shaft 7 is disposed on the reduction gear body 20, and the first gear 2, the second gear 3 and the third gear 4 of the steering gear reducer are respectively positioned and mounted through the steering gear shaft 7 In the gear shaft hole 21 of the reduction case 20, the assembly of the steering gear shaft 7 and the reduction case 20 is realized.
  • the first type under the condition that there is a gap between the gear shaft of the steering gear and the gear shaft hole of the reduction gear body, the steering gear shaft is directly placed in the casing;
  • the position of the gear shaft of the steering gear is not fixed, which affects the transmission precision of the gear set; meanwhile, due to the steering gear The gear shaft is not fixed, causing the steering gear shaft to easily sway or even fall.
  • the position of the steering gear shaft is fixed, but the position of the single gear shaft can only be guaranteed when the shaft is pressed. The distance and position tolerance between the shafts cannot be guaranteed. In particular, the steering gear shaft cannot be guaranteed. The relative positional relationship between the output teeth and the motor teeth.
  • a steering gear shaft pressing device for assembling a steering gear shaft and a reduction gear body, wherein the steering gear shaft pressing device comprises:
  • a guide rod is erected on the base
  • top plate opposite to the base, the top plate being translatable along the guide rod;
  • a pressing block detachably fixed to the top plate and located on a side of the top plate opposite to the base, the pressing block having a gear shaft positioning hole for engaging the steering gear shaft;
  • the steering gear reduction gear body is fixed on the positioning mechanism of the base, and the magnetic adsorption component adsorbs the steering gear shaft into the gear shaft positioning.
  • the steering gear shaft can be mounted on the reduction gear body, thereby completing the assembly of the steering gear shaft and the reduction gear body, and improving the assembly of the steering gear shaft and the reduction gear body. Transmission accuracy also ensures the relative position between the axes.
  • the magnetic adsorbing member is a magnetic absorbing nail.
  • the gear shaft positioning hole is a stepped hole, and the magnetic adsorption nail can be engaged in the stepped hole such that an outer surface of the magnetic adsorption nail can be flush with an outer surface of the pressure block.
  • the number of the guiding rods is two, and the two guiding rods are symmetrically distributed on both sides of the pressing block.
  • the outer contour of the cross section of the compact along a direction perpendicular to the guide bar is circular, and the radius of the circular decreases from the top plate to the base.
  • the steering gear shaft pressing device further includes an elastic member sleeved on the outside of the guide rod and a stopper for preventing the top plate from coming off the guide rod, the elastic member Both ends abut against the base and the top plate.
  • the stop is threadedly coupled to the top plate.
  • the base has a recess for securing the resilient member and the end of the guide rod.
  • the positioning mechanism includes a first positioning post and a second positioning post for respectively fixing a motor hole of the reduction gear body and a bearing hole of the reduction gear body.
  • the positioning mechanism further includes a positioning boss for securing the outer contour of the reduction box.
  • Figure 1 is a schematic view of a steering gear reduction box
  • FIG. 2 is a schematic view of a reduction box body in a steering gear
  • FIG. 3 is a perspective view 1 of a steering gear shaft pressing device of a steering gear according to an embodiment of the present invention
  • FIG. 4 is a perspective view 2 of a steering gear shaft pressing device of a steering gear according to an embodiment of the present invention
  • Figure 5 is a front elevational view of a gear shaft pressing device of a steering gear according to an embodiment of the present invention
  • Figure 6 is a left side elevational view of the steering gear shaft pressing device of the steering gear according to the embodiment of the present invention.
  • FIG. 7 is a perspective view of a compact and a magnetic adsorbing member according to an embodiment of the present invention.
  • FIG. 8 is a schematic bottom view of a compact block according to an embodiment of the present invention.
  • FIG. 9 is a schematic perspective view of a compact according to another embodiment of the present invention.
  • the invention provides a steering gear shaft pressing device for assembling a steering gear shaft and a reduction gear body, so as to improve the transmission precision of the steering gear shaft and the reduction gear body after assembly and ensure the relative position between the shafts.
  • the steering gear shaft pressing device 100 of the embodiment includes a base 110 , a guide rod 120 , a top plate 130 , a pressing block 140 , a magnetic adsorbing member 150 , and an elastic member 160 sleeved on the outside of the guiding rod 120 . And a stopper 170 for preventing the top plate 130 from coming out of the guide bar 120.
  • the base 110 is provided with a positioning mechanism 112 for positioning the reduction box.
  • the positioning mechanism 112 includes a first positioning post 1121 and a second positioning post 1122 for respectively fixing the motor hole of the reduction gear body and the bearing hole of the reduction gear body, and a positioning boss 1123 for fixing the outer contour of the reduction gear box.
  • the first positioning post 1121, the second positioning post 1122 and the positioning boss 1123 cooperate to fix the reduction gear body, which can ensure the position of the reduction gear body is accurate, and at the same time ensure the stability during assembly with the steering gear shaft.
  • the guide bar 120 is erected on the base 110 to support and guide the movement of the top plate 130. As shown in FIGS. 3-6, the axial direction of the guide bar 120 is perpendicular to the bottom plane of the base 110. In the present embodiment, the number of the guide bars 120 is two, and the two guide bars 120 are symmetrically distributed on both sides of the pressing block 140. The advantage of this arrangement is that the steering gear shaft and the reduction gear body can be assembled from the other side of the guide rod 120 for easy operation.
  • the number of the guiding rods 120 is not limited thereto, and any other number of guiding rods 120 may be disposed, and may be specifically set according to actual needs.
  • the top plate 130 is disposed opposite to the base 110.
  • the top plate 130 is used to secure the clamp 140, and the top plate 130 is translatable along the guide bar 120.
  • the top plate 130 has two through holes through which the guide rod 120 can pass. After the guide rod 120 passes through the through hole, the top plate 130 translates along the axial direction of the guide rod 120, and simultaneously drives the pressing block 140 toward the base. The direction of the 110 is translated.
  • the pressing block 140 is detachably fixed to the top plate 130 and located on a side of the top plate 130 opposite to the base 110.
  • the pressure block 140 has a gear shaft positioning hole 141 for engaging the steering gear shaft and a screw hole 142 for fixing the screw, as shown in FIGS. 7 and 8.
  • the gear shaft positioning hole 141 is disposed corresponding to the gear shaft hole on the reduction gear body, that is, the number and distribution of the gear shaft positioning hole 141 and the gear shaft hole on the reduction gear body are consistent. Further, the inner diameter of the gear shaft positioning hole 141 is the same as the outer diameter of the steering gear shaft. Therefore, there is no gap between the gear shaft positioning hole 141 and the steering gear shaft, and the steering gear shaft can be prevented from being positioned in the gear shaft positioning hole 141. Shaking in the middle affects assembly accuracy.
  • the pressing block 140 is detachably and fixedly connected to the top plate 130 by screws. Specifically, one end of the screw is fixed in the screw hole 142 through the top plate 130.
  • the fixed connection between the pressing block 140 and the top plate 130 is realized by two screws distributed on both sides of the gear shaft positioning hole 141, thereby ensuring the stability of the pressing block 140 and the top plate 130.
  • the outer contour of the cross section of the pressing block 140 in the direction perpendicular to the guiding rod 120 is circular, and the radius of the circular shape decreases from the top plate 130 to the base 110, as shown in FIGS. 7 and 8.
  • the purpose of this arrangement is to be able to reduce the volume of the compact 140 while saving a portion of the material, which is advantageous in terms of cost savings.
  • the shape of the pressing block 140 is not limited thereto, and may be other shapes.
  • the pressing block 140 may also be a cylindrical body provided with a gear shaft positioning hole.
  • the magnetic adsorbing member 150 is for absorbing the steering gear shaft into the gear shaft positioning hole 141.
  • the magnetic adsorbing member 150 of the present embodiment is a magnetic absorbing nail as shown in FIG. And the magnetic absorbing nails are in one-to-one correspondence with the gear shaft positioning holes 141.
  • the magnetic adsorbing member 150 can also be other types of components having a certain magnetic property.
  • the gear shaft positioning hole 141 of the present embodiment is a stepped hole, and the magnetic absorbing nail can be engaged in the stepped hole so that the outer surface of the magnetic absorbing nail can be flush with the outer surface of the pressure block 140.
  • the upper surface of the pressing block 140 can be in close contact with the lower surface of the top plate 130, thereby better fixing the pressing block 140 and preventing The pressing block 140 is shaken to affect the assembly accuracy of the subsequent gear shaft positioning holes 141.
  • the depth of the gear shaft positioning hole 141 is deeper than the length of the magnetic attraction nail.
  • the magnetic adsorption nail is magnetic, and after assembly, it can adsorb the iron gear shaft of the steering gear, but the suction force of the magnetic adsorption nail is not strong, and the iron steering gear shaft will not be sucked out after the pressing.
  • gear shaft positioning hole 141 on the pressure block 140 in the present embodiment is a stepped hole, but it is not limited thereto.
  • the gear shaft positioning hole 241 of the press block 240 for engaging the steering gear shaft of the other embodiment is a through hole.
  • the nail cap portion of the magnetic attracting nail is located outside the upper surface of the pressing block 240, and the other end portion of the magnetic attracting nail can penetrate into the gear shaft positioning hole 241 for adsorbing the steering gear shaft.
  • the elastic member 160 of the present embodiment is a spring.
  • the elastic member 160 can also be other components that can function elastically.
  • the elastic member 160 can support the shaft during the process of pressing the shaft, so that the pressure block 140 slowly presses the gear shaft to avoid the speed of the pressure being too fast and damaging the steering gear shaft; on the other hand, when the steering gear shaft is pressed Thereafter, the elastic force of the elastic member 160 returns the top plate 130 to which the pressing block 140 is fixed to the stopper 170 for the next use.
  • the stopper 170 of the present embodiment is a nut, and the nut is screwed to the top plate.
  • the stop member 170 can also be other components that can function as a stop.
  • the base 110 of the present embodiment has a recess 114 for fixing the end of the elastic member 160 and the guide rod 120.
  • the recess 114 has a circular cross section along the radial direction of the guide rod 120.
  • the size is the same as the size of the spring, so that the spring just snaps into the groove 114, which prevents the spring from shaking and affects the assembly accuracy.
  • the shape of the groove 114 along the radial cross section of the guide bar 120 varies depending on the shape of the elastic member 160 as long as the elastic member 160 can be fixed.
  • the steering gear reduction gear body is fixed on the positioning mechanism of the base, and the magnetic adsorption component is attached to the gear shaft of the assembly steering gear shaft. After positioning the hole, and then pressing the top plate by external force, the steering gear shaft can be mounted on the reduction gear body, thereby completing the assembly of the steering gear shaft and the reduction gear body, and improving the assembly of the steering gear shaft and the reduction gear body.
  • the transmission accuracy also guarantees the relative position between the axes.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Controls (AREA)
  • Gear Transmission (AREA)

Abstract

L'invention porte sur un dispositif de pressage de colonne de direction (100) utilisé pour assembler une colonne de direction et une boîte de vitesse de réducteur de vitesse, et comprenant : une base (110) comprenant un mécanisme de positionnement (112) disposé sur le dispositif et utilisé pour positionner la boîte de vitesses de réducteur de vitesse ; une tige de guidage (120) disposée verticalement sur la base ; une plaque supérieure (130) disposée opposée à la base, et pouvant être déplacée horizontalement le long de la tige de guidage ; un bloc de pressage (140) fixé de manière amovible sur la plaque supérieure, situé sur un côté de la plaque supérieure opposé à la base, et comprenant un trou de positionnement de colonne (141) utilisé pour ajuster la colonne de direction ; et un composant de fixation magnétique (150) utilisé pour attirer la colonne dans le trou de positionnement de colonne. Lors de l'utilisation, la boîte de vitesse de réducteur de vitesse est fixée au niveau du mécanisme de positionnement sur la base, le composant de fixation magnétique attire la colonne de direction dans le trou de positionnement de colonne, et une force externe est appliquée pour presser la plaque supérieure vers le bas, de manière à installer la colonne de direction dans la boîte de vitesse de réducteur de vitesse, et compléter l'assemblage de la colonne de direction et de la boîte de vitesse de réducteur de vitesse. Le mode de réalisation augmente la précision de transmission lors de l'assemblage de la colonne de direction et de la boîte de vitesse de réducteur de vitesse, et assure les positions relatives de tous les arbres.
PCT/CN2017/119767 2016-12-30 2017-12-29 Dispositif de pressage de colonne de direction WO2018121725A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611265423.1A CN106737387B (zh) 2016-12-30 2016-12-30 舵机齿轮轴压轴装置
CN201611265423.1 2016-12-30

Publications (1)

Publication Number Publication Date
WO2018121725A1 true WO2018121725A1 (fr) 2018-07-05

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PCT/CN2017/119767 WO2018121725A1 (fr) 2016-12-30 2017-12-29 Dispositif de pressage de colonne de direction

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WO (1) WO2018121725A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113172388A (zh) * 2021-04-30 2021-07-27 西安航天精密机电研究所 一种多功能陀螺电机跑合装置
CN113770680A (zh) * 2020-06-10 2021-12-10 富鼎电子科技(嘉善)有限公司 安装治具
CN114770076A (zh) * 2022-05-17 2022-07-22 陶平安 一种绝缘子自动定位装配设备

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106737387B (zh) * 2016-12-30 2019-04-30 深圳市优必选科技有限公司 舵机齿轮轴压轴装置
CN107186661A (zh) * 2017-07-11 2017-09-22 张家港孚冈汽车部件有限公司 压轴工装
CN111545970B (zh) * 2020-05-12 2022-01-28 博众精工科技股份有限公司 一种载具
CN112140052B (zh) * 2020-09-22 2022-04-12 北京市春立正达医疗器械股份有限公司 一种用于关节盂产品安装的装置
CN113927268B (zh) * 2021-11-05 2023-06-02 成都秦川物联网科技股份有限公司 可基于工业物联网制造的齿轮轴与盖体装配机构及方法
CN114043513B (zh) * 2021-12-06 2023-08-25 成都秦川物联网科技股份有限公司 适用于工业物联网制造的抓取机构、机械手、装配方法

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JPS56107851A (en) * 1980-01-25 1981-08-27 Fuji Heavy Ind Ltd Jig for press fitting crank gear
US6662436B1 (en) * 2002-02-12 2003-12-16 Beckett Air Incorporated System for assembling a blower wheel
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CN204053396U (zh) * 2014-07-16 2014-12-31 无锡市凯旋电机有限公司 齿轮与轴装配工装
CN106737387A (zh) * 2016-12-30 2017-05-31 深圳市优必选科技有限公司 舵机齿轮轴压轴装置
CN206455605U (zh) * 2016-12-30 2017-09-01 深圳市优必选科技有限公司 舵机齿轮轴压轴装置

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CN204559333U (zh) * 2015-03-11 2015-08-12 镇江远东电讯电机有限公司 一种电机转子压轴承及齿轮工装
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56107851A (en) * 1980-01-25 1981-08-27 Fuji Heavy Ind Ltd Jig for press fitting crank gear
US6662436B1 (en) * 2002-02-12 2003-12-16 Beckett Air Incorporated System for assembling a blower wheel
CN103302474A (zh) * 2013-06-28 2013-09-18 江苏太平洋精锻科技股份有限公司 齿轮轴孔内衬薄壁套定位压装装置
CN203485110U (zh) * 2013-08-21 2014-03-19 大连创新零部件制造公司 一种用于转向助力油泵传动齿轮的装配装置
CN203541977U (zh) * 2013-09-25 2014-04-16 汉莎阿尔法电气（苏州）有限公司 一种齿轮与轴的装配工装
CN204053396U (zh) * 2014-07-16 2014-12-31 无锡市凯旋电机有限公司 齿轮与轴装配工装
CN106737387A (zh) * 2016-12-30 2017-05-31 深圳市优必选科技有限公司 舵机齿轮轴压轴装置
CN206455605U (zh) * 2016-12-30 2017-09-01 深圳市优必选科技有限公司 舵机齿轮轴压轴装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113770680A (zh) * 2020-06-10 2021-12-10 富鼎电子科技(嘉善)有限公司 安装治具
CN113172388A (zh) * 2021-04-30 2021-07-27 西安航天精密机电研究所 一种多功能陀螺电机跑合装置
CN113172388B (zh) * 2021-04-30 2022-11-01 西安航天精密机电研究所 一种多功能陀螺电机跑合装置
CN114770076A (zh) * 2022-05-17 2022-07-22 陶平安 一种绝缘子自动定位装配设备
CN114770076B (zh) * 2022-05-17 2023-12-05 国网浙江省电力有限公司杭州供电公司 一种绝缘子自动定位装配设备

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CN106737387B (zh) 2019-04-30

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