WO2012174851A1 - 一种直动式三工位隔离开关的操作机构 - Google Patents

一种直动式三工位隔离开关的操作机构 Download PDF

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Publication number
WO2012174851A1
WO2012174851A1 PCT/CN2012/000705 CN2012000705W WO2012174851A1 WO 2012174851 A1 WO2012174851 A1 WO 2012174851A1 CN 2012000705 W CN2012000705 W CN 2012000705W WO 2012174851 A1 WO2012174851 A1 WO 2012174851A1
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WIPO (PCT)
Prior art keywords
gear
drive shaft
sprocket
operating mechanism
acting
Prior art date
Application number
PCT/CN2012/000705
Other languages
English (en)
French (fr)
Inventor
王平
张坚
顾洪喜
赵超
唐文寅
Original Assignee
苏州朗格电气有限公司
李敬锋
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
Priority claimed from CN201120213935XU external-priority patent/CN202120806U/zh
Priority claimed from CN201110170110.9A external-priority patent/CN102254714B/zh
Application filed by 苏州朗格电气有限公司, 李敬锋 filed Critical 苏州朗格电气有限公司
Publication of WO2012174851A1 publication Critical patent/WO2012174851A1/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/22Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/36Driving mechanisms, i.e. for transmitting driving force to the contacts using belt, chain, or cord
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02Details
    • H01H31/04Interlocking mechanisms
    • H01H31/10Interlocking mechanisms for interlocking two or more switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/42Driving mechanisms

Definitions

  • the invention relates to a direct-acting three-station isolation switch, in particular to an operating mechanism of a direct-acting three-station isolation switch, belonging to the technical field of isolation switches. Background technique
  • the main function of the operating mechanism of the direct-acting three-station isolating switch is to transmit the rotary motion of the driving motor to the rotating shaft of the three-station isolating switch through a series of transmission components; the existing technology is to use gear transmission on the transmission structure. Movement, the large size of the operating mechanism, the large number of components, and the complicated structure are not conducive to reducing the overall weight of the equipment. At the same time, since the transmissions all use gears, the cost of the entire operating mechanism is relatively high. Summary of the invention
  • the object of the present invention is to provide an operating mechanism for a direct-acting three-station disconnector in order to overcome the deficiencies of the prior art.
  • an operating mechanism of a direct-acting three-station disconnecting switch comprising a driving shaft A, a driving shaft B and a driving shaft C installed side by side, and a driving shaft A, a driving
  • the shaft B and the drive shaft C are respectively mounted with a sprocket wheel 8, a sprocket B and a sprocket C, and the drive shaft A, the drive shaft B and the drive shaft C are linked by a drive chain, and the mechanism further comprises a drive motor and a drive motor.
  • a transmission gear set is mounted between the output shaft and the drive shaft B. More preferably, the sprocket eight and the sprocket C are symmetrically disposed on both sides of the sprocket B.
  • the transmission gear set includes a relatively meshing gear A and a gear B, a relatively meshing gear C and a gear D, the gear A is fixed to the output end of the drive motor, and the gear B and the gear C are coaxially fixed, the gear D is fixed to the drive shaft B.
  • the other end of the drive shaft C is provided with a gear E
  • the device further comprises a screw provided perpendicular to the drive shaft B, the screw rod is disposed inside the screw nut, and one end of the screw is provided with a gear F is meshed with the gear E.
  • the front end of the lead screw nut is provided with a shaft perpendicular to the lead screw, and a baffle is fixed on the shaft.
  • the device further includes a hand crank device including a baffle, a hand crank and a hand crank drive shaft fixedly coupled thereto, the hand crank drive shaft and the gear A being fixed on the baffle plate
  • the sliding slot is provided with a latching position corresponding to the driving shaft A, the driving shaft B and the driving shaft C, and the hand crank drive shaft is provided with a card slot corresponding to the shape of the latching position, and the front end of the crank handle is provided
  • the block, and the block can be embedded in the card slot.
  • the gear C is integrated with the gear B.
  • the sprocket B is integrated with the gear D.
  • the gear E is integrated with the sprocket C.
  • the present invention has the following advantages over the prior art:
  • Figure 1 is a perspective view of the operating mechanism of the direct-acting three-station disconnecting switch of the present invention
  • the operating mechanism of a direct-acting three-station disconnecting switch includes a driving motor 1, a gear A2, a gear B3, a gear C4, a gear D5, a sprocket B6, and a sprocket A7.
  • a sprocket C8 a gear E13, a gear F14, a lead screw 15, a screw nut 16, a crank handle 17, a crank drive shaft 18, a handle damper 19, a shaft 20;
  • the gear A2 is disposed on the drive motor 1 Output end;
  • the gear B3 is paired with the gear A2;
  • the gear C4 and the gear B3 The gear C4 is paired with the gear D5;
  • the sprocket B6 is integrally connected with the gear D5;
  • the sprocket A7 is connected to the sprocket B6 through the transmission chain 9;
  • the sprocket C8 passes through the transmission chain 9 and
  • the sprocket B6 is connected;
  • the sprocket B6 is provided with a drive shaft B11;
  • the sprocket A7 is provided with a drive shaft A10;
  • the sprocket C8 is provided with a drive shaft C12;
  • the drive shaft C12 drives the gear E13 and the gear F14 to transmit the motion to the lead screw 15 and drives the lead screw nut 16 to perform linear motion through the drive, and the screw screw
  • the shaft 20 connected to the female 16 drives the hand gripper 19 to perform a linear reciprocating motion.
  • the operating mechanism can still drive the hand drive shaft 18 by operating the hand crank 17 so that the gear C4 rotates and the operating mechanism can be operated normally by the above-described transmission mode.
  • the hand gripper 19 When the hand is operated, the hand gripper 19 functions as a safety guard, and only when the hand gripper 19 is moved to the middle and left and right end positions, the hand can be taken out through the card slot 21 on the hand flap 19
  • the handle 17 is used to prevent the three-position switch from being in the working position. At this time, the handle handle 19 is at any other position, and the handle 17 is taken out to cause a safety accident of the device. Due to the use of the above technical solutions, the present invention has the following advantages over the prior art - the direct-acting three-station disconnector of the present invention has reduced operating mechanism transmission parts, reduced cost, simple structure, light weight, and safety protection. The role of the station switch.

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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

一种直动式三工位隔离开关的操作机构,包括有并排安装的驱动轴A(10)、驱动轴B(11)和驱动轴C(12),且驱动轴A(10)、驱动轴B(11)和驱动轴C(12)上分别安装有链轮A(7)、链轮B(6)和链轮C(8)并通过传动链条(9)使驱动轴A(10)、驱动轴B(11)和驱动轴C(12)联动,该机构还包括有驱动电机(1),驱动电机(1)的输出轴与驱动轴B(11)之间安装有传动齿轮组;该操作机构使传动部件减少、成本降低、结构简单、重量轻、具有安全保护三工位开关的作用。

Description

一种直动式三工位隔离开关的操作机构 技术领域
本发明涉及一种直动式三工位隔离开关, 尤指一种直动 式三工位隔离开关的操作机构, 属于隔离开关技术领域。 背景技术
直动式三工位隔离开关的操作机构主要作用是将驱动 电机的旋转运动通过一系列传动部件传导到三工位隔离开 关的旋转轴上; 现有的技术是在传动结构上全部使用齿轮传 递运动, 操作机构的体积大、 零部件数量多, 结构复杂, 不 利于减轻设备的整体重量, 同时, 由于传动全部采用齿轮, 使得整个操作机构的成本也比较高。 发明内容
本发明目的是为了克服现有技术的不足而提供一种直 动式三工位隔离开关的操作机构。
为达到上述目的, 本发明采用的技术方案是: 一种直动 式三工位隔离开关的操作机构,包括有并排安装的驱动轴 A、 驱动轴 B和驱动轴 C , 且驱动轴 A、 驱动轴 B和驱动轴 C上 分别安装有链轮八、 链轮 B和链轮 C并通过传动链条使驱动 轴 A、 驱动轴 B和驱动轴 C联动, 该机构还包括有驱动电机, 驱动电机的输出轴与驱动轴 B之间安装有传动齿轮组。 更优的是, 所述链轮八、 链轮 C对称地设置在链轮 B的 两侧。
更优的是, 所述传动齿轮组包括有相对啮合的齿轮 A和 齿轮 B、 相对啮合的齿轮 C和齿轮 D, 齿轮 A与驱动电机的 输出端固定, 齿轮 B和齿轮 C同轴固定, 齿轮 D与驱动轴 B 固定。
更优的是, 所述驱动轴 C另一端设有齿轮 E , 该装置还 包括设有与驱动轴 B垂直的丝杆,丝杆上穿设有丝杆螺母内, 丝杆的一端设有齿轮 F且与齿轮 E啮合, 所述丝杆螺母前端 设有与丝杆垂直的轴, 轴上固定有挡板。
更优的是, 所述该装置还包括有手摇装置, 手摇装置包 括有挡板、 手摇柄和与之固定连接的手摇驱动轴, 手摇驱动 轴与齿轮 A固定, 挡板上设滑槽, 滑槽上设有与驱动轴 A、 驱动轴 B和驱动轴 C对应的卡位, 所述手摇驱动轴上设有与 卡位形状对应的卡槽, 手摇柄前端设有卡块, 且卡块可嵌入 卡槽内。
更优的是, 所述齿轮 C与齿轮 B连成一体。
更优的是, 所述链轮 B与齿轮 D连成一体。
更优的是, 所述齿轮 E与链轮 C连成一体。
由于上述技术方案的运用, 本发明与现有技术相比具有 下列优点:
本发明的直动式三工位隔离开关的操作机构传动部件 减少、 成本降低、 结构简单、 重量轻、 具有安全保护三工位 开关的作用。 附图说明
下面结合附图对本发明技术方案作进一步说明- 图 1为本发明的直动式三工位隔离开关的操作机构的立 体图;
其中: 1、 驱动电机; 2、 齿轮 A; 3、 齿轮 B; 4、 齿轮 C; 5、 齿轮 D; 6、 链轮 B; 7、 链轮 A; 8、 链轮 C; 9、 传动链 条; 10、 驱动轴 A; 11、 驱动轴 B; 12、 驱动轴 C; 13、 齿轮 E; 14、 齿轮 F; 15、 丝杠; 16、 丝杠螺母; 17、 手摇柄; 18、 手摇驱动轴; 19、 挡板; 20、 轴; 21、 卡槽。 具体实施方式
下面结合附图及具体实施例对本发明作进一步的详细 说明。
如图 1所示的本实用新型所述的一种直动式三工位隔离 开关的操作机构, 包括驱动电机 1、 齿轮 A2、 齿轮 B3、 齿轮 C4、 齿轮 D5、 链轮 B6、 链轮 A7、 链轮 C8、 齿轮 E13、 齿轮 F14、 丝杠 15、 丝杠螺母 16、 手摇柄 17、 手摇驱动轴 18、 手摇柄挡板 19、 轴 20; 所述齿轮 A2设置在驱动电机 1的输 出端; 所述齿轮 B3与齿轮 A2配对; 所述齿轮 C4与齿轮 B3 连成一体; 所述齿轮 C4与齿轮 D5配对; 所述链轮 B6与齿 轮 D5连成一体; 所述链轮 A7通过传动链条 9与链轮 B6连 接; 所述链轮 C8通过传动链条 9与链轮 B6连接;所述链轮 B6上设置有驱动轴 B11 ; 所述链轮 A7上设置有驱动轴 A10 ; 所述链轮 C8上设置有驱动轴 C12 ; 所述驱动轴 A10、 驱动轴 Bl l、 驱动轴 C12分别控制一工位; 所述齿轮 E13与链轮 C8 连成一体;所述齿轮 F14与齿轮 E13配对设置;所述齿轮 F14 设置在水平设置的丝杠 15的一端; 所述丝杠螺母 16设置在 丝杆 15上; 所述轴 20设置在丝杆螺母 16上; 所述轴 20的 一端与所述手摇柄挡板 19相连; 所述手摇柄挡板 19设置有 三个工作位置; 所述手摇驱动轴 18设置在齿轮 B3上; 所述 手摇柄 17 , 可拆卸地安装在手摇驱动轴 18上; 所述手摇柄 17 处于手摇柄挡板 19 上的某一工作位置时; 所述驱动轴 A10、 驱动轴 Bl l、 驱动轴 C12中某一驱动轴处于工作状态。 所述链轮 A10、 链轮 C12对称地设置在链轮 B11的两侧。
工作过程: 将驱动电机 1的旋转运动通过齿轮 A2、 齿轮 B3、 齿轮 C4、 齿轮 D5传递到链轮 B6和驱动轴 Bl l, 同时链 轮 B6带动传动链条 9 驱动链轮 A 7、 链轮 C 8 , 将运动传 递到驱动轴 A10、 驱动轴 C12。 驱动轴 A10、 驱动轴 Bl l、 驱 动轴 C12驱动三工位开关工作。
同时驱动轴 C12带动齿轮 E13、 齿轮 F14将运动传递到 丝杠 15并通过传动带动丝杠螺母 16做直线运动, 与丝杠螺 母 16连接的轴 20带动手摇柄挡板 19做直线往复运动。 当工作场所缺乏电力时, 本操作机构仍能通过操作手摇 柄 17 带动手摇驱动轴 18 使得齿轮 C4旋转并通过上述的传 动方式使得操作机构可以正常操作。 手摇操作时, 手摇柄挡 板 19起到安全防护的作用,只有手摇柄挡板 19 运动至中间 及左右端部位置时, 才可以通过手摇挡板 19上的卡槽 21取 出手摇柄 17, 以防止三工位开关不在工作位置时, 此时手摇 柄挡板 19在其他任意位置, 手摇柄 17被取出而造成设备的 安全事故。 由于上述技术方案的运用, 本发明与现有技术相比具有 下列优点- 本发明的直动式三工位隔离开关的操作机构传动部件 减少、 成本降低、 结构简单、 重量轻、 具有安全保护三工位 开关的作用。
以上仅是本发明的具体应用范例, 对本发明的保护范围 不构成任何限制。 凡采用等同变换或者等效替换而形成的技 术方案, 均落在本发明权利保护范围之内。

Claims

权 利 要 求
1 . 一种直动式三工位隔离开关的操作机构, 包括有并 排安装的驱动轴 、 驱动轴 B和驱动轴 C , 且驱动轴八、 驱动 轴 B和驱动轴 C上分别安装有链轮 A、 链轮 B和链轮 C并通 过传动链条使驱动轴 A、 驱动轴 B和驱动轴 C联动, 其特征 在于: 该机构还包括有驱动电机, 驱动电机的输出轴与驱动 轴 B之间安装有传动齿轮组。
2. 根据权利要求 1 所述的直动式三工位隔离开关的操 作机构, 其特征在于: 所述链轮八、 链轮 C对称地设置在链 轮 B的两侧。
3.根据权利要求 1所述的一种直动式三工位隔离开关的 操作机构, 其特征在于: 所述传动齿轮组包括有相对啮合的 齿轮 A和齿轮 B、 相对啮合的齿轮 C和齿轮 D, 齿轮 A与驱 动电机的输出端固定, 齿轮 B和齿轮 C同轴固定, 齿轮 D与 驱动轴 B固定。
4.根据权利要求 1所述的一种直动式三工位隔离开关的 操作机构, 其特征在于: 所述驱动轴 C另一端设有齿轮 E, 该装置还包括设有与驱动轴 B垂直的丝杆, 丝杆上穿设有丝 杆螺母内, 丝杆的一端设有齿轮 F且与齿轮 E啮合, 所述丝 杆螺母前端设有与丝杆垂直的轴, 轴上固定有挡板。
5.根据权利要求 1所述的一种直动式三工位隔离开关的 操作机构, 其特征在于: 所述该装置还包括有手摇装置, 手 摇装置包括有挡板、 手摇柄和与之固定连接的手摇驱动轴, 手摇驱动轴与齿轮 A固定, 挡板上设滑槽, 滑槽上设有与驱 动轴 A、 驱动轴 B和驱动轴 C对应的卡位, 所述手摇驱动轴 上设有与卡位形状对应的卡槽, 手摇柄前端设有卡块, 且卡 块可嵌入卡槽内。
6.根据权利要求 1所述的一种直动式三工位隔离开关的 操作机构, 其特征在于: 所述齿轮 C与齿轮 B连成一体。
7. 根据权利要求 1 所述的一种直动式三工位隔离开关 的操作机构, 其特征在于: 所述链轮 B与齿轮 D连成一体。
8. 根据权利要求 1 所述的一种直动式三工位隔离开关 的操作机构, 其特征在于: 所述齿轮 E与链轮 C连成一体。
PCT/CN2012/000705 2011-06-23 2012-05-21 一种直动式三工位隔离开关的操作机构 WO2012174851A1 (zh)

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Application Number Priority Date Filing Date Title
CN201120213935.X 2011-06-23
CN201120213935XU CN202120806U (zh) 2011-06-23 2011-06-23 一种直动式三工位隔离开关的操作机构
CN201110170110.9 2011-06-23
CN201110170110.9A CN102254714B (zh) 2011-06-23 2011-06-23 一种直动式三工位隔离开关的操作机构

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CN117690746A (zh) * 2024-02-02 2024-03-12 广东正超电气有限公司 直动式三工位开关操作机构

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