WO2005111461A1 - A speed reducing gear box driven by motor - Google Patents

A speed reducing gear box driven by motor Download PDF

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Publication number
WO2005111461A1
WO2005111461A1 PCT/CN2004/000971 CN2004000971W WO2005111461A1 WO 2005111461 A1 WO2005111461 A1 WO 2005111461A1 CN 2004000971 W CN2004000971 W CN 2004000971W WO 2005111461 A1 WO2005111461 A1 WO 2005111461A1
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WO
WIPO (PCT)
Prior art keywords
motor
box body
box
hole
gear
Prior art date
Application number
PCT/CN2004/000971
Other languages
French (fr)
Chinese (zh)
Inventor
Xiaohua Xu
Fusheng Ji
Qiaofen Ma
Zhiping Zhu
Original Assignee
Hengdian Group Linix Motor Co., Ltd.
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 Hengdian Group Linix Motor Co., Ltd. filed Critical Hengdian Group Linix Motor Co., Ltd.
Priority to DE212004000026U priority Critical patent/DE212004000026U1/en
Priority to JP2006600007U priority patent/JP3134827U/en
Priority to HK07100222A priority patent/HK1098008A2/en
Publication of WO2005111461A1 publication Critical patent/WO2005111461A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • 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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/025—Support of gearboxes, e.g. torque arms, or attachment to other devices

Definitions

  • the invention relates to a mechanical device, in particular to a motor reduction gear box.
  • the 70JB motor reduction gearbox produced by our company includes a motor, a reduction gearbox and a gear reduction mechanism.
  • the gear reduction mechanism adopts four-stage reduction and is arranged in the reduction gearbox. Its first transmission component is connected to the gearbox.
  • the output shaft of the motor is pivotally connected to the box through a bearing.
  • One end of the motor is provided with an end cover, which is connected to the end cover of the reduction gear box after being positioned by a pressure plate.
  • a motor speed reducer of this structure has many parts and a relatively complicated structure. Not only is the manufacturing cost high, the manufacturing process is complicated, the manufacturing difficulty is high, but it is also not conducive to controlling the tightness of the motor.
  • the invention solves the technical problems of the existing motor speed reducer with many parts, relatively complicated structure, and large material consumption, and provides a motor that shares the same end cover with the gear box, has a compact structure, and saves material.
  • Reduction gearbox
  • the invention also solves the technical problems of poor sealing performance and high manufacturing cost of the existing motor reduction gear box, and provides a motor reduction gear box with good sealing performance and low manufacturing cost.
  • a motor reduction gear box includes a gear box box body, an end cover that cooperates with the box body, and a gear reduction mechanism placed inside the box body, which is characterized in that A groove is provided on the inner surface of the cover, and a receiving hole is provided on the bottom surface of the cover. A corresponding receiving hole is provided on the box body. Both ends of the gear drive shafts of the various levels are fixed to the box body and the end cover.
  • the gear box of the utility model shares the same end cover with the motor, and both ends of the gear transmission mechanism of each level are pivoted into the accommodation holes through bearings, shaft sleeves or similar parts.
  • the utility model greatly simplifies the structure of the whole machine, and makes the The assembly is simpler and more convenient. At the same time, this structure is also conducive to controlling the sealing performance and running performance of the whole machine.
  • a flange is provided around the accommodating hole on the bottom surface of the box body, an inner bottom end is provided with a stop, and a bearing is built in the flange.
  • the provision of the flange saves material and reduces processing area on the one hand, and makes the bottom thickness of the box body of the gear box substantially the same, preventing cracks caused by thermal expansion and contraction.
  • a flange is provided around the through-hole of the output shaft of the motor reduction gear box, and a stop is provided therein, and the bottom surface of the stop is higher than the bottom surface of the box body.
  • the setting of the flange can also save materials and reduce the processing area.
  • a boss is formed on the bottom surface of the box, which reduces the box. The thickness of the bottom surface also reduces the height of the box and saves material.
  • the output shaft of the motor reduction gear box is pivotally connected to the box body through a bearing, and an oil seal is provided on the stop of the output shaft through hole, and the height of the flange is 2.0-5.0 mm, and The height of the mouth is 0.5-2. 0mm, and the closed chamber of the gear box is cylindrical.
  • Such a structure can reduce the leakage of the lubricating oil of the gear in the gear box, improve the sealing performance, and make the output shaft bearing always well lubricated.
  • a sealing ring is provided between the box body and the end cover of the motor reduction gear box; four corners of the box body are respectively provided with fixed threaded holes, and the end cover is provided with a corresponding one Through-hole, both Secure with screws.
  • the setting of the sealing ring prevents the leakage of lubricating oil between the motor and the end cover, thereby improving the sealing performance.
  • the end cover and the box are fixed by screws, because the screws do not pass through the sealing cavity, so The leakage of lubricating oil in the gap of the screw hole is avoided, so the sealing performance of the whole machine is further improved.
  • the motor is provided with a through hole, and a corresponding fixing screw hole is provided at the lower part of the end cover, and the two are also fixed by screws.
  • the drive shafts of the various stages of the reduction mechanism of the motor reduction gear box are arranged in parallel; the diameters of the end cover and the box body are substantially equal.
  • the gear reduction mechanism of the motor reduction gear box is a four-stage gear reduction mechanism
  • the flange encloses four accommodation holes pivotally connected to the two ends of the four-stage gear transmission rod, which has a good reduction effect.
  • the invention has the characteristics of compact structure, more convenient manufacturing and assembly, material saving, low manufacturing cost, and good sealing performance of the whole machine, and is a motor reduction gear box with wide application prospects.
  • FIG. 1 is a schematic structural diagram of a motor reduction gear box of the present invention
  • FIG. 2 is a schematic structural view of a front cover of a motor reduction gear box cover of the present invention
  • FIG. 3 is a schematic rear structural view of an end cover of a motor reduction gearbox of the present invention.
  • Fig. 4 is a cross-sectional view of the end cover of the motor reduction gearbox of the present invention.
  • a motor reduction gear box includes a motor 13, a reduction box body 1, an end cover 9, and a gear reduction mechanism 3.
  • the gear reduction mechanism 3 is a four-stage gear reduction mechanism, which is arranged in a sealed cavity between the reduction gear box 1 and an end cover 9, and a groove 37 is provided on the inner surface of the end cover.
  • Four accommodating holes 38 are provided on the bottom surface thereof, and the accommodating holes 31 corresponding to the accommodating holes 31 are provided on the box 1.
  • the four-stage gear reduction mechanism 3 has a standard structure.
  • Each stage of the transmission component is composed of a transmission shaft, an input gear, and an output gear. The input gear of the first stage meshes with the output gear of the previous stage, and the output gear of the first stage is connected to the next stage.
  • the input gears of the stage are meshed, and the upper and lower ends of the transmission shaft are fixed in the receiving holes 31 and 38 on the box 1 and the end cover 9 through bearings.
  • An input gear 6 of a first transmission member thereof meshes with a motor drive shaft 12.
  • the box 1 and the end cover 9 are processed by CNC precision machining equipment, and correspondingly, receiving holes 31 are provided, and a flange 32 and a stop 34 are provided around the receiving hole 31.
  • the accommodating hole on the end cover 9 is not shown, and should be opposite to the accommodating hole provided on the box 1 to ensure the verticality of the stepless drive shaft), the accommodating hole adopts a blind hole structure, and the deceleration
  • the bearings on the drive shafts of the various stages of the mechanism 3 are installed in the corresponding accommodation holes.
  • the output shaft through-hole 36 of the reduction gear box is provided with a flange 33 and a shaft outlet opening 21.
  • An oil seal 19 is provided to reduce the leakage of the gear lubricating oil in the reduction gearbox as much as possible and improve the sealing performance.
  • a sealing ring 8 is provided on the connection stop of the end cover and the box body.
  • the box 1 and the motor 13 share the same end cover 9.
  • the motor is provided with two mounting through holes 14 and the lower part of the end cover 9 is provided with two corresponding fixing screw holes. It is fixed by screws 15. Since the connection screws between the end cover 9 and the box body 1, the end cover 9 and the motor 13 do not pass through the closed chamber 20, the sealing performance of the whole machine is ensured.
  • the end cover 9 is provided with a through hole 30 at a position corresponding to the motor drive shaft 12, so that the drive shaft 12 of the power supply machine protrudes therefrom.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

This invention relates to a speed reducing gear box driven by motor, which is composed of a box body and a head cover attached to said body and a speed reducing gear mechanism provided in the box. The ends of transmission shafts are fixed in holes formed in the box body and the h ad cover. A circular flange is provided on the out-surface of said head cover. A motor is coupled with the box body directly through the head cover. An input shaft of motor engages with said speed reducing gear mechanism through a hole formed in said head cover. And a hole for output shaft is provided in the bottom of said box body. This invention makes the gear box and said motor utilize one head cover to simplify the structure of the equipment that can save material and reduce cost and improve the mechanical intention of components, this structure also is beneficial to control the airproof performance and operation performance of hole equipment.

Description

电机减速齿轮箱 技术领域  Motor reduction gearbox TECHNICAL FIELD
本发明涉及一种机械装置， 尤其是涉及一种电机减速齿轮箱。  The invention relates to a mechanical device, in particular to a motor reduction gear box.
背景技术 Background technique
目前， 齿轮箱的用途越来越广泛， 相继也出现了各种各样的齿轮箱。 如本 公司生产的 70JB型电机减速齿轮箱， 它包括电机、 减速箱体和齿轮减速机构， 其中齿轮减速机构采用四级减速， 并设置在所述减速箱体内， 其第一传动部件 连接到所述电机的驱动轴上， 输出轴通过轴承枢接到所述的箱体上。 电机的一 端设有端盖， 通过压板定位后连接到所述减速箱体的端盖上。 这种结构的电机 减速箱， 零件较多， 结构比较复杂， 不仅制造成本高， 制造工艺复杂， 制造难 度高， 而且不利于控制电机的密封性。  At present, the use of gearboxes is becoming more and more extensive, and various gearboxes have also appeared. For example, the 70JB motor reduction gearbox produced by our company includes a motor, a reduction gearbox and a gear reduction mechanism. The gear reduction mechanism adopts four-stage reduction and is arranged in the reduction gearbox. Its first transmission component is connected to the gearbox. The output shaft of the motor is pivotally connected to the box through a bearing. One end of the motor is provided with an end cover, which is connected to the end cover of the reduction gear box after being positioned by a pressure plate. A motor speed reducer of this structure has many parts and a relatively complicated structure. Not only is the manufacturing cost high, the manufacturing process is complicated, the manufacturing difficulty is high, but it is also not conducive to controlling the tightness of the motor.
发明的公开 Disclosure of invention
本发明解决了现有电机减速箱所存在的零件较多， 结构比较复杂， 材料消 耗较大等的技术问题， 提供了一种电机与齿轮箱共用同一端盖， 结构紧凑， 且 节省材料的电机减速齿轮箱。  The invention solves the technical problems of the existing motor speed reducer with many parts, relatively complicated structure, and large material consumption, and provides a motor that shares the same end cover with the gear box, has a compact structure, and saves material. Reduction gearbox.
本发明还解决了现有电机减速箱所存在的电机的密封性较差， 制造成本较 高等的技术问题， 提供了一种具有很好的密封性， 且制造成本低的电机减速齿 轮箱。  The invention also solves the technical problems of poor sealing performance and high manufacturing cost of the existing motor reduction gear box, and provides a motor reduction gear box with good sealing performance and low manufacturing cost.
本发明同时还解决了现有电机减速箱所存在的减速箱壳体厚度差异较大而 影响强度等的技术问题， 提供了一种具有壳体厚度差异较小， 且应力较为均匀， 强度较高的电机减速齿轮箱。 本发明的上述技术目的是通过以下技术方案解决的：一种电机减速齿轮箱， 包括齿轮箱箱体、 与箱体相配合的端盖和置于箱体内部的齿轮减速机构， 其特 征在于端盖内侧面上设有一凹槽， 在其底面上设置有容置孔， 箱体上设有与之 相对应的容置孔， 各级齿轮传动轴的两端固定到箱体和端盖上的容置孔内； 所 述端盖外侧面上设置有环形凸台， 电机通过所述的端盖直接与齿轮箱箱体相连 接， 所述电机的输入轴通过设于其内的通孔与齿轮减速机构相啮合， 所述箱体 底面上设置有输出轴通孔。 本实用新型的齿轮箱与电机共用同一端盖， 各级齿 轮传动机构的两端通过轴承、 轴套或类似部件枢接到容置孔内， 本实用新型大 大简化了整机结构， 使得制造和装配更为简单和方便， 同时这种结构也有利于 控制整机的密封性能和运行性能。 The invention also solves the technical problems of the large thickness difference of the speed reducer shells existing in the existing motor speed reducer, which affects the strength and the like, and provides a method with a small thickness difference of the shells, uniform stress and high strength. Motor reduction gearbox. The above technical object of the present invention is solved by the following technical solution: A motor reduction gear box includes a gear box box body, an end cover that cooperates with the box body, and a gear reduction mechanism placed inside the box body, which is characterized in that A groove is provided on the inner surface of the cover, and a receiving hole is provided on the bottom surface of the cover. A corresponding receiving hole is provided on the box body. Both ends of the gear drive shafts of the various levels are fixed to the box body and the end cover. An accommodation hole; an annular boss is provided on the outer surface of the end cover; the motor is directly connected to the gear box body through the end cover; the input shaft of the motor is connected to the gear through a through hole provided therein The speed reduction mechanism is engaged, and an output shaft through hole is provided on the bottom surface of the box. The gear box of the utility model shares the same end cover with the motor, and both ends of the gear transmission mechanism of each level are pivoted into the accommodation holes through bearings, shaft sleeves or similar parts. The utility model greatly simplifies the structure of the whole machine, and makes the The assembly is simpler and more convenient. At the same time, this structure is also conducive to controlling the sealing performance and running performance of the whole machine.
作为优选， 所述箱体内底面上的容置孔周围设有凸缘， 其内部底端设有止 口， 并在其内置有轴承。 该凸缘的设置一方面节省了材料， 减少了加工面积， 另一方面， 使得齿轮箱的箱体底面厚度基本相同， 防止了因热胀冷缩引起的破 裂。  Preferably, a flange is provided around the accommodating hole on the bottom surface of the box body, an inner bottom end is provided with a stop, and a bearing is built in the flange. The provision of the flange saves material and reduces processing area on the one hand, and makes the bottom thickness of the box body of the gear box substantially the same, preventing cracks caused by thermal expansion and contraction.
作为优选， 所述的电机减速齿轮箱的输出轴通孔的周围设置有凸缘， 其内 设有止口， 止口的底面高于箱体的底面。 该凸缘的设置同样可起到节省材料和 减少加工面积的目的， 另外因其止口的底面高于箱体的底面， 所以在箱体的底 面上形成一凸台， 这样减小了箱体底面的厚度， 同时也减小了箱体的高度， 并 节省了材料。  Preferably, a flange is provided around the through-hole of the output shaft of the motor reduction gear box, and a stop is provided therein, and the bottom surface of the stop is higher than the bottom surface of the box body. The setting of the flange can also save materials and reduce the processing area. In addition, because the bottom surface of the stop is higher than the bottom surface of the box, a boss is formed on the bottom surface of the box, which reduces the box. The thickness of the bottom surface also reduces the height of the box and saves material.
作为优选， 所述的电机减速齿轮箱的输出轴通过轴承枢接在箱体上， 输出 轴通孔的止口上设有油封， 所述凸缘和的高度为 2. 0- 5. 0mm， 止口和的高度为 0. 5-2. 0mm,齿轮箱密闭腔室为圆柱形。这样的结构可减少齿轮箱中齿轮润滑油 液的渗漏， 提高了密封性能， 可使输出轴轴承始终得到很好的润滑。  Preferably, the output shaft of the motor reduction gear box is pivotally connected to the box body through a bearing, and an oil seal is provided on the stop of the output shaft through hole, and the height of the flange is 2.0-5.0 mm, and The height of the mouth is 0.5-2. 0mm, and the closed chamber of the gear box is cylindrical. Such a structure can reduce the leakage of the lubricating oil of the gear in the gear box, improve the sealing performance, and make the output shaft bearing always well lubricated.
作为优选， 所述的电机减速齿轮箱的箱体和端盖之间设有密封圈； 所述箱 体的四个角上分别设有固定螺纹孔， 所述端盖上设有与之相对应的通孔， 两者 通过螺钉固定。 该密封圈的设定防止了润滑油液在电机与端盖之间的泄漏， 从 而提高了的密封性能， 所述的端盖和箱体通过螺钉固定， 因螺钉不穿过密封腔 体， 所以避免了润滑油在螺孔缝隙内的泄漏， 所以进一步提高了整机的密封性 能。 同时， 电机上设有通孔， 在端盖的下部设有相应的固定螺孔， 两者之间也 通过螺钉固定。 Preferably, a sealing ring is provided between the box body and the end cover of the motor reduction gear box; four corners of the box body are respectively provided with fixed threaded holes, and the end cover is provided with a corresponding one Through-hole, both Secure with screws. The setting of the sealing ring prevents the leakage of lubricating oil between the motor and the end cover, thereby improving the sealing performance. The end cover and the box are fixed by screws, because the screws do not pass through the sealing cavity, so The leakage of lubricating oil in the gap of the screw hole is avoided, so the sealing performance of the whole machine is further improved. At the same time, the motor is provided with a through hole, and a corresponding fixing screw hole is provided at the lower part of the end cover, and the two are also fixed by screws.
作为优选， 所述的电机减速齿轮箱的减速机构的各级传动轴平行设置； 端 盖与箱体的直径基本相等。  Preferably, the drive shafts of the various stages of the reduction mechanism of the motor reduction gear box are arranged in parallel; the diameters of the end cover and the box body are substantially equal.
作为优选， 所述的电机减速齿轮箱的齿轮减速机构为四级齿轮减速机构， 凸缘将枢接四级齿轮传动杆两端的四个容置孔包络于其内， 具有很好的减速效 果。  Preferably, the gear reduction mechanism of the motor reduction gear box is a four-stage gear reduction mechanism, and the flange encloses four accommodation holes pivotally connected to the two ends of the four-stage gear transmission rod, which has a good reduction effect. .
因此， 本发明具有结构紧凑、 制造和装配更为方便， 节省材料， 制造成本 低， 且整机密封性好等特点， 是一种具有广泛应用前景的电机减速齿轮箱。 附图说明  Therefore, the invention has the characteristics of compact structure, more convenient manufacturing and assembly, material saving, low manufacturing cost, and good sealing performance of the whole machine, and is a motor reduction gear box with wide application prospects. BRIEF DESCRIPTION OF THE DRAWINGS
附图 1是本发明电机减速齿轮箱的结构示意图；  FIG. 1 is a schematic structural diagram of a motor reduction gear box of the present invention;
附图 2是本发明电机减速齿轮箱端盖的正视结构示意图；  FIG. 2 is a schematic structural view of a front cover of a motor reduction gear box cover of the present invention;
附图 3是本发明电机减速齿轮箱端盖的后视结构示意图；  FIG. 3 is a schematic rear structural view of an end cover of a motor reduction gearbox of the present invention;
附图 4是本发明电机减速齿轮箱端盖的 A— A剖视图。  Fig. 4 is a cross-sectional view of the end cover of the motor reduction gearbox of the present invention.
实现发明的最佳方法 The best way to achieve the invention
下面通过具体实施例， 并结合附图， 对本发明的技术方案作进一步具体的 说明。  The technical solution of the present invention will be further described in detail through specific embodiments in combination with the accompanying drawings.
实施例： 一种电机减速齿轮箱， 它包括电机 13、 减速箱箱体 1、 端盖 9和 齿轮减速机构 3。 所述的齿轮减速机构 3为四级齿轮减速机构， 设置在所述减 速箱箱体 1和端盖 9之间的密封腔体内， 所述端盖的内侧面上设有一凹槽 37， 在其底面上设置有四个容置孔 38， 箱体 1上设有与之相对应的容置孔 31。该四 级齿轮减速机构 3为制式结构， 每一级传动部件由传动轴、 输入齿轮和输出齿 轮构成， 一级的输入齿轮与上一级的输出齿轮相啮合， 一级的输出齿轮与下一 级的输入齿轮相啮合， 传动轴上下两端通过轴承固定在所述的箱体 1和端盖 9 上的容置孔 31和 38内。 其第一传动部件的输入齿轮 6与电机驱动轴 12啮合。 Embodiment: A motor reduction gear box includes a motor 13, a reduction box body 1, an end cover 9, and a gear reduction mechanism 3. The gear reduction mechanism 3 is a four-stage gear reduction mechanism, which is arranged in a sealed cavity between the reduction gear box 1 and an end cover 9, and a groove 37 is provided on the inner surface of the end cover. Four accommodating holes 38 are provided on the bottom surface thereof, and the accommodating holes 31 corresponding to the accommodating holes 31 are provided on the box 1. The four-stage gear reduction mechanism 3 has a standard structure. Each stage of the transmission component is composed of a transmission shaft, an input gear, and an output gear. The input gear of the first stage meshes with the output gear of the previous stage, and the output gear of the first stage is connected to the next stage. The input gears of the stage are meshed, and the upper and lower ends of the transmission shaft are fixed in the receiving holes 31 and 38 on the box 1 and the end cover 9 through bearings. An input gear 6 of a first transmission member thereof meshes with a motor drive shaft 12.
所述的箱体 1和端盖 9由 CNC精密加工设备加工而成，对应设置有容置孔 31, 容置孔 31的周围设有凸缘 32和止口 34。 （端盖 9上的容置孔未示出， 应 与箱体 1上所设容置孔相对， 以保证没级传动轴的垂直度）， 所述容置孔采用盲 孔结构， 所述减速机构 3的各级传动轴上的轴承安装在相应的容置孔内， 在所 述的减速箱体的输出轴通孔 36上设有凸缘 33和出轴止口 21， ·止口 21上设置 有油封 19， 尽可能减少减速箱中齿轮润滑油液的渗漏， 提高密封性能。 在箱体 1周边上均匀设有四个固定螺紋孔 2,在所述的端盖 9上也设有四个相应的通孔 10， 两者通过螺钉 11可靠固定。在所述的端盖与箱体的连接止口上设置有密封 圈 8。  The box 1 and the end cover 9 are processed by CNC precision machining equipment, and correspondingly, receiving holes 31 are provided, and a flange 32 and a stop 34 are provided around the receiving hole 31. (The accommodating hole on the end cover 9 is not shown, and should be opposite to the accommodating hole provided on the box 1 to ensure the verticality of the stepless drive shaft), the accommodating hole adopts a blind hole structure, and the deceleration The bearings on the drive shafts of the various stages of the mechanism 3 are installed in the corresponding accommodation holes. The output shaft through-hole 36 of the reduction gear box is provided with a flange 33 and a shaft outlet opening 21. An oil seal 19 is provided to reduce the leakage of the gear lubricating oil in the reduction gearbox as much as possible and improve the sealing performance. Four fixing screw holes 2 are evenly provided on the periphery of the box body 1, and four corresponding through holes 10 are also provided on the end cover 9, and the two are reliably fixed by screws 11. A sealing ring 8 is provided on the connection stop of the end cover and the box body.
所述的箱体 1与电机 13共用同一端盖 9， 在所述的电机上设有两个安装用 通孔 14， 在所述端盖 9的下部设有两个相应的固定螺孔， 两者通过螺钉 15固 定。 由于所述的端盖 9与箱体 1、 端盖 9与电机 13之间的连接螺钉不穿越封闭 腔室 20， 因而确保了整机的密封性能。 端盖 9在对应于电机驱动轴 12的位置 处设有通孔 30， 以供电机的驱动轴 12凸伸至此。  The box 1 and the motor 13 share the same end cover 9. The motor is provided with two mounting through holes 14 and the lower part of the end cover 9 is provided with two corresponding fixing screw holes. It is fixed by screws 15. Since the connection screws between the end cover 9 and the box body 1, the end cover 9 and the motor 13 do not pass through the closed chamber 20, the sealing performance of the whole machine is ensured. The end cover 9 is provided with a through hole 30 at a position corresponding to the motor drive shaft 12, so that the drive shaft 12 of the power supply machine protrudes therefrom.

Claims

权 利 要 求  Rights request
1、一种电机减速齿轮箱， 包括齿轮箱箱体（1)、与箱体相配合的端盖（9) 和置于箱体内部的齿轮减速机构（3)， 其特征在于端盖（9) 内侧面上设有一凹 槽 (37)， 在其底面上设置有容置孔 (38)， 箱体（1)上设有与之相对应的容置孔1. A motor reduction gear box, comprising a gear box case (1), an end cover (9) matched with the box body, and a gear reduction mechanism (3) placed inside the box body, characterized in that the end cover (9 ) A groove (37) is provided on the inner surface, a receiving hole (38) is provided on the bottom surface, and a corresponding receiving hole is provided on the box body (1).
(31), 各级齿轮传动轴的两端固定到箱体 （1) 和端盖 （9) 上的容置孔（38) 内； 所述端盖（9)外侧面上设置有环形凸台 （35)， 电机通过所述的端盖（9) 直接与齿轮箱箱体（1)相连接， 所述电机的输入轴通过设于其内的通孔（30) 与齿轮减速机构相啮合， 所述箱体 （1)底面上设置有输出轴通孔 （36)。 (31) Both ends of the gear drive shafts of each level are fixed to the receiving holes (38) on the box body (1) and the end cover (9); an annular boss is provided on the outer surface of the end cover (9) (35), the motor is directly connected with the gear box body (1) through the end cover (9), and the input shaft of the motor is engaged with the gear reduction mechanism through a through hole (30) provided therein, An output shaft through hole (36) is provided on the bottom surface of the box body (1).
2、 根据权利要求 1所述的电机减速齿轮箱， 其特征在于所述箱体（1) 内 底面上的容置孔 （31) 周围设有凸缘 （32)， 其内部底端设有止口 （34)， 并在 其内置有轴承。  2. The reduction gear box of a motor according to claim 1, characterized in that a flange (32) is provided around the accommodation hole (31) on the inner bottom surface of the box body (1), and an inner bottom end is provided with a stopper. Port (34), with a bearing built into it.
3、根据权利要求 1或 2所述的电机减速齿轮箱，其特征在于输出轴通孔 (36) 的周围设置有凸缘（33)， 凸缘高度其内设有止口 （21)， 止口 (21) 底面高于 箱体 （1) 的底面。  3. The motor reduction gear box according to claim 1 or 2, characterized in that a flange (33) is provided around the output shaft through hole (36), and a flange (33) is provided in the flange height to prevent The bottom of the mouth (21) is higher than the bottom of the box (1).
4、 根据权利要求 1或 2所述的电机减速齿轮箱， 其特征在于输出轴 （18) 通过轴承枢接在箱体（1)上， 输出轴通孔（36) 的止口 （21)上设有油封； 所 述凸缘（32)和（33)的高度为 2.0-5.0讓，止口（34)和（21)的高度为 0.5-2.0mm, 齿轮箱密闭腔室（20) 为圆柱形。  4. The motor reduction gear box according to claim 1 or 2, characterized in that the output shaft (18) is pivotally connected to the box body (1) through a bearing, and the stop (21) of the output shaft through hole (36) An oil seal is provided; the heights of the flanges (32) and (33) are 2.0-5.0, the heights of the stops (34) and (21) are 0.5-2.0mm, and the closed chamber (20) of the gear box is cylindrical shape.
5、根据权利要求 3所述的电机减速齿轮箱， 其特征在于输出轴（18)通过 轴承枢接在箱体（1)上， 输出轴通孔（36) 的止口 （21)上设有油封； 所述凸 缘 (32)和 (33)的高度为 2.0-5.0mm,止口 (34)和 (21)的高度为 0.5-2.0mm, 齿轮箱密闭腔室 （20) 为圆柱形。  5. The motor reduction gear box according to claim 3, characterized in that the output shaft (18) is pivotally connected to the box body (1) through a bearing, and a stop (21) of the output shaft through hole (36) is provided Oil seal; the height of the flanges (32) and (33) is 2.0-5.0mm, the height of the mouths (34) and (21) is 0.5-2.0mm, and the closed chamber (20) of the gear box is cylindrical.
6、根据权利要求 1或 2或 5所述的电机减速齿轮箱， 其特征在于所述箱体 ( 1 ) 和端盖 （9) 之间设有密封圈； 所述箱体的四个角上分别设有固定螺纹孔6. The motor reduction gear box according to claim 1 or 2 or 5, characterized in that the box body (1) There is a sealing ring between the end cap (9); four corners of the box are provided with fixed threaded holes, respectively
(2) , 所述端盖上设有与之相对应的通孔 （10)， 两者通过螺钉固定。 (2) The end cap is provided with a corresponding through hole (10), and the two are fixed by screws.
7、根据权利要求 1或 2或 5所述的电机减速齿轮箱，其特征在于所述减速 机构 （3) 的各级传动轴平行设置； 端盖 （9) 与箱体（1 ) 的直径基本相等。  7. The motor reduction gear box according to claim 1 or 2 or 5, characterized in that the drive shafts of the various stages of the reduction mechanism (3) are arranged in parallel; the diameter of the end cover (9) and the box body (1) is basically equal.
8、根据权利要求 3所述的电机减速齿轮箱， 其特征在于所述减速机构（3) 的各级传动轴平行设置； 端盖（9) 与箱体 （1 ) 的直径基本相等。  8. The reduction gear box of a motor according to claim 3, characterized in that the drive shafts of all stages of the reduction mechanism (3) are arranged in parallel; the diameter of the end cover (9) and the box body (1) are substantially equal.
9、根据权利要求 1或 2或 5或 8所述的电机减速齿轮箱， 其特征在于所述 的齿轮减速机构（3)为四级齿轮减速机构；所述的凸缘（32)将四个容置孔（31 ) 包络于其内。  9. The motor reduction gearbox according to claim 1 or 2 or 5 or 8, characterized in that said gear reduction mechanism (3) is a four-stage gear reduction mechanism; said flange (32) divides four The accommodating hole (31) is enveloped therein.
10、 根据权利要求 3所述的电机减速齿轮箱， 其特征在于所述的齿轮减速 机构（3)为四级齿轮减速机构； 所述的凸缘（32)将四个容置孔（31 )包络于 其内。  10. The motor reduction gearbox according to claim 3, characterized in that said gear reduction mechanism (3) is a four-stage gear reduction mechanism; said flange (32) defines four accommodation holes (31) Envelope in it.
PCT/CN2004/000971 2004-05-17 2004-08-20 A speed reducing gear box driven by motor WO2005111461A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE212004000026U DE212004000026U1 (en) 2004-05-17 2004-08-20 Electric machines timing case
JP2006600007U JP3134827U (en) 2004-05-17 2004-08-20 Gear reducer with motor
HK07100222A HK1098008A2 (en) 2004-05-17 2004-08-20 A speed reducing gear box driven by motor

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CN 200410018466 CN1699796A (en) 2004-05-17 2004-05-17 Motor reduction gear box
CN200410018466.0 2004-05-17

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KR100978495B1 (en) * 2008-05-02 2010-08-31 (주)엠비아이 one way transmission for motor
CN105162282B (en) * 2010-08-23 2019-01-04 株式会社美姿把 Motor with deceleration mechanism
CN101986518A (en) * 2010-08-31 2011-03-16 重庆长安汽车股份有限公司 Sealing and connecting structure for permanent magnet synchronous motor and decelerator of pure electric automobile
US8863888B2 (en) 2010-10-06 2014-10-21 Nsk Ltd. Electric power steering device
CN102332774A (en) * 2011-07-12 2012-01-25 许晓华 Connecting structure of reducer casing
JP2013158160A (en) * 2012-01-31 2013-08-15 Sumitomo Heavy Ind Ltd Series of geared motor, and series of gear device
CN103107644A (en) * 2013-02-20 2013-05-15 宁波声光电机有限公司 Gear reduction motor
WO2015003770A1 (en) * 2013-07-09 2015-01-15 Sew-Eurodrive Gmbh & Co. Kg Geared motor
CN107448587A (en) * 2017-09-04 2017-12-08 湖北金合力机电科技有限责任公司 A kind of Novel gearbox
KR101959720B1 (en) * 2017-09-22 2019-03-20 한국에스케이에프씰 주식회사 Geared motor with magnetic encoder
CN108006207B (en) * 2017-12-06 2019-02-05 万鑫精工（湖南）有限公司 A kind of speed reducer Al-alloy casing
CN109458446A (en) * 2018-12-29 2019-03-12 横店集团英洛华电气有限公司 Blind-hole parts processing scrap is anti-to drop out structure and the gear-box with the structure

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DE212004000026U1 (en) 2006-04-13
ES1063923U (en) 2006-12-16
ES1063923Y (en) 2007-03-16
JP3134827U (en) 2007-08-30
HK1098008A2 (en) 2007-07-06
CN1699796A (en) 2005-11-23

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