WO2021243874A1 - 充气柜断路器用分合闸操作装置 - Google Patents

充气柜断路器用分合闸操作装置 Download PDF

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Publication number
WO2021243874A1
WO2021243874A1 PCT/CN2020/114378 CN2020114378W WO2021243874A1 WO 2021243874 A1 WO2021243874 A1 WO 2021243874A1 CN 2020114378 W CN2020114378 W CN 2020114378W WO 2021243874 A1 WO2021243874 A1 WO 2021243874A1
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WO
WIPO (PCT)
Prior art keywords
circuit breaker
opening
gas
shaft
linkage assembly
Prior art date
Application number
PCT/CN2020/114378
Other languages
English (en)
French (fr)
Inventor
苏杭
张海龙
Original Assignee
俊郎电气有限公司
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 俊郎电气有限公司 filed Critical 俊郎电气有限公司
Publication of WO2021243874A1 publication Critical patent/WO2021243874A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/68—Power reset mechanisms actuated by electromagnet

Definitions

  • the invention relates to an opening and closing operating device for a gas-filled cabinet circuit breaker, which belongs to the field of circuit breaker structure design.
  • circuit breakers The application of circuit breakers is more and more extensive, especially in gas-filled cabinets.
  • the National Grid has higher requirements for the performance of circuit breakers in terms of energy consumption, reliability and mechanical life.
  • the opening and closing operating device of the existing gas-filled cabinet circuit breaker has the problems of a large number of components and a complicated structure.
  • the present invention aims to provide an opening and closing operating device for a gas-filled cabinet circuit breaker with a relatively simplified structure.
  • the technical solution for achieving the objective of the present invention is: an opening and closing operating device for a gas-filled cabinet circuit breaker, which includes a mounting seat, an electromagnetic mechanism, a linkage assembly and an elastic mechanism.
  • the mounting seat is provided with a mounting seat, and the electromagnetic mechanism, the linkage assembly and the elastic mechanism are mounted on the mounting seat.
  • the mounting seat is provided with a drive shaft that can rotate around its own axis, and the end of the drive shaft has a connection structure that is coaxially connected with the main shaft of the circuit breaker; the electromagnetic mechanism has a first The output shaft that moves between the position and the second position; the linkage assembly is used for the linkage connection between the linkage rotation shaft and the output shaft.
  • the elastic force of the elastic mechanism acts on the linkage assembly.
  • the electromagnetic force generated when the electromagnetic mechanism is energized drives the output shaft to move to the first position, and the linkage assembly overcomes the elastic force of the elastic mechanism to drive the drive shaft to rotate; when the electromagnetic mechanism is de-energized, the elastic force Under the action of the reset elastic force of the mechanism, the linkage assembly drives the output shaft to move to the second position, and at the same time drives the drive shaft to rotate in the reverse direction.
  • the linkage assembly includes a linkage rod rotatably mounted on the mounting seat through a mounting shaft and a lug plate fixed on the drive shaft, and one end of the linkage rod is rotatable with the output shaft Connected, the other end is rotatably connected with the ear plate.
  • the mounting seat is provided with a mounting structure for installing it in the inflatable cabinet;
  • the mounting structure includes a positioning groove provided at the bottom of the mounting seat and a screw hole provided at the upper part of the mounting seat;
  • the positioning groove It is a U-shaped groove with a downward notch, and the notch of the U-shaped groove is V-shaped.
  • the buffering and limiting mechanism includes a buffering pad fixed on the mounting seat and a limiting plate fixed on the driving shaft.
  • the cushion counteracts as a limit buffer.
  • the buffer pad is a rubber pad
  • a support block is fixed on the bottom of the rubber pad
  • the support block is fixed on the mounting seat
  • the elastic mechanism includes a tension spring, a tension rod and a positioning block, the tension rod is arranged on the positioning block, and two ends of the tension spring are respectively connected with the linkage assembly and the tension rod.
  • the pull rod has a screw part, the screw part penetrates the through hole on the positioning block, and the end of the screw part away from the tension spring is screwed with a limit nut.
  • the connecting structure includes a connecting sleeve coaxially sleeved on the end of the driving shaft, and the limited position structure of the connecting sleeve restricts only axial movement relative to the driving shaft, but not in the circumferential direction.
  • a spring is sleeved on the driving shaft to provide an outward elastic force for the connecting sleeve, and a connecting slot is provided at the center of the end of the connecting sleeve.
  • the connecting slot is a polygonal slot.
  • the limiting structure includes a waist-shaped hole formed on the connecting sleeve and arranged along the axial direction, and a positioning pin fixed on the driving shaft and passing through the waist-shaped hole.
  • the spring is a coil spring, one end of which is against the end surface of the connecting sleeve, and the other end is against the step surface of the driving shaft.
  • the present invention has positive effects: the component parts of the opening and closing operating device of the present invention are obviously reduced, the structure is simplified, and it has good practicability.
  • the positioning groove at the bottom of the mounting seat is connected to the inflatable cabinet.
  • the locating pin in the inside is matched to support the opening and closing operating device, and then the bolt is used to pass through the bolt hole and the screw hole in the corresponding position in the inflatable cabinet to fix it.
  • the installation is convenient.
  • the drive shaft is coaxially connected to the main shaft of the operating mechanism of the circuit breaker through the connection structure. During use, the output shaft is driven to move to the first position by the electromagnetic force generated when the electromagnetic mechanism is energized.
  • the linkage rod overcomes the elastic force of the elastic mechanism to drive the drive shaft to rotate, and then drives the main shaft of the operating mechanism of the circuit breaker to rotate to achieve closing; then when the electromagnetic mechanism is de-energized, the elastic mechanism resets the elastic force Under the action, the linkage rod drives the output shaft to move to the second position, and at the same time drives the drive shaft to rotate in the reverse direction, and then drives the main shaft of the operating mechanism of the circuit breaker to rotate in the reverse direction to achieve opening.
  • Figure 1 is a front view of the opening and closing operating device of the present invention.
  • Figure 2 is a side view of the mounting base in Figure 1.
  • Figure 3 is a perspective view of the opening and closing operating device in Figure 1 with some parts removed.
  • Figure 4 is a schematic diagram of the structure of the gas tank circuit breaker.
  • the reference signs shown in the figure are: 1-mounting seat; 10-drive shaft; 101-step surface; 11-positioning groove; 12-screw hole; 13-connection sleeve; 131-waist hole; 14-connection slot 15-Locating pin; 2-Electromagnetic mechanism; 21-Output shaft; 3-linkage assembly; 31-mounting shaft; 32-linkage rod; 33-ear plate; 4-elastic mechanism; 41-tension spring; 42-tension rod; 43-positioning block; 44-limit nut; 5-buffer pad; 6-limit plate; 7-support block; 8-operating mechanism spindle.
  • an opening and closing operating device for a gas-filled cabinet circuit breaker as shown in Figures 1 to 4, which includes a mounting seat 1, an electromagnetic mechanism 2 , The linkage assembly 3 and the elastic mechanism 4; the mounting base 1 is provided with a mounting base 1, the electromagnetic mechanism 2, the linkage assembly 3 and the elastic mechanism 4 are mounted on the mounting base 1; on the mounting base 1
  • a drive shaft 10 that can rotate around its own axis is provided.
  • the end of the drive shaft 10 has a connection structure that is coaxially connected with the main shaft of the circuit breaker; the electromagnetic mechanism 2 has a first position and a first position along the axis.
  • the output shaft 21 that moves between two positions; the linkage assembly 3 is used for the linkage connection between the linkage rotation shaft 10 and the output shaft 21; the elastic force of the elastic mechanism 4 acts on the linkage assembly 3;
  • the electromagnetic force generated when the electromagnetic mechanism 2 is energized drives the output shaft 21 to move to the first position, and the linkage assembly 3 overcomes the elastic force of the elastic mechanism 4 to drive the drive shaft 10 to rotate;
  • the linkage assembly 32 drives the output shaft 21 to move to the second position, and at the same time drives the drive shaft 10 to rotate in the reverse direction;
  • the installation structure is installed in the inflatable cabinet; the installation structure includes a positioning groove 11 provided at the bottom of the mounting base 1 and a screw hole 12 provided at the upper part of the mounting base 1; the positioning groove 11 is a slot facing The U-shaped groove below, the notch of the U-shaped groove is V-shaped.
  • the positioning slot at the bottom of the mounting seat 1 is matched with the positioning pin in the inflatable cabinet , Support the opening and closing operating device, and then fix it by using bolts to pass through the bolt holes and the screw holes in the corresponding position in the inflatable cabinet.
  • the installation is convenient. Fix the circuit breaker body on the side of the opening and closing operating device in the inflatable cabinet.
  • the drive shaft is coaxially connected with the main shaft 8 of the operating mechanism of the circuit breaker through the connection structure.
  • the output shaft 21 is driven to move to the first position by the electromagnetic force generated when the electromagnetic mechanism is energized
  • the linkage lever 32 overcomes the elastic force of the elastic mechanism 4 to drive the drive shaft 10 to rotate, and then drives the main shaft 8 of the operating mechanism of the circuit breaker to rotate to achieve closing; then when the electromagnetic mechanism 2 is powered off, the elastic mechanism 4
  • the output shaft 21 is driven to move to the second position through the linkage rod 32 under the action of the reset elastic force, and the driving shaft 10 is driven to rotate in the reverse direction, and then the main shaft 8 of the operating mechanism of the circuit breaker is driven to rotate in the reverse direction to realize the opening .
  • the linkage assembly 3 includes a linkage rod 32 rotatably mounted on the mounting base 1 through a mounting shaft 31, and a lug 33 fixed on the drive shaft 10, so One end of the linkage rod 32 is rotatably connected with the output shaft 21, and the other end is rotatably connected with the ear plate 33, so as to achieve linkage.
  • the buffering and limiting mechanism includes a buffer pad 5 fixed on the mounting base 1 and a limiting plate 6 fixed on the driving shaft 10, which passes through the limiting plate. 6 Conflicts with the cushion 5 to play the role of limiting and buffering.
  • the drive shaft 10 is driven to rotate by the elastic force of the elastic mechanism 4, and the impact of the limiting plate 6 and the cushion 5 is buffered and limited. Bit role.
  • the cushion pad 5 is a rubber pad
  • a support block 7 is fixed on the bottom of the rubber pad 5, and the support block 7 is fixed on the mounting seat 1.
  • the elastic mechanism 4 includes a tension spring 41, a tension rod 42, and a positioning block 43.
  • the tension rod 42 is disposed on the positioning block 43. Both ends of the tension spring 41 are connected to the linkage assembly 3, respectively. (In this embodiment, it is specifically the linkage rod 32 in the linkage assembly) and the pull rod 42 is connected, as shown in the drawings.
  • the pull rod 42 has a screw part, the screw part passes through the perforation on the positioning block 43, and the end of the screw part away from the tension spring 41 is screwed to the limit nut 44, and assembled
  • the limit nut 44 is set against the positioning block 43 to prevent the screw part from moving out of the perforation on the positioning block, and the elastic force of the tension spring 41 can be adjusted by adjusting the position of the limit nut 44 on the screw part.
  • the connecting structure includes a connecting sleeve 13 coaxially sleeved on the end of the driving shaft 10, and the restricted position structure of the connecting sleeve 13 restricts only axial movement relative to the driving shaft 10, and Can not rotate in the circumferential direction, the drive shaft 10 is sleeved with a spring that provides the connecting sleeve with an outward elastic force, and the center of the end of the connecting sleeve 13 is provided with a connecting slot 14 for connecting the circuit breakers during installation.
  • the opening and closing operating device is fixed in the aeration cabinet, and can be connected to the main shaft end of the circuit breaker through the connection slot on the connection sleeve 13, and the rotation of the driving shaft 10 drives the connection sleeve 13 on it to rotate, Then drive the main shaft on the circuit breaker to rotate.
  • the spring is provided to provide the connecting sleeve with an elastic force that is always outward, so as to ensure that the connecting sleeve and the main shaft of the circuit breaker always maintain a sleeve fit during installation and use.
  • connection slot 14 is a polygonal slot.
  • the connection slot 14 is a polygonal slot.
  • the end of the main shaft on the circuit breaker can be inserted into the connection slot 14 Form a connection.
  • the limiting structure includes a waist-shaped hole 131 formed on the connecting sleeve 13 and arranged along the axial direction, and a positioning fixed on the driving shaft 10 and penetrated by the waist-shaped hole 131
  • the pin 15 cooperates with the waist-shaped hole 131 by the positioning pin, so that the connecting sleeve 13 moves axially on the driving shaft 10 without being able to rotate in the circumferential direction;
  • the spring is a coil spring, one end of which abuts against the connecting sleeve 13 On the end surface, the other end abuts on the step surface 101 of the driving shaft 10.

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

Abstract

一种充气柜断路器用分合闸操作装置，包括安装座（1）、电磁机构（2）、联动组件（3）及弹力机构（4）；电磁机构（2）、联动组件（3）及弹力机构（4）装于安装座（1）上；在安装座（1）上设有可绕自身轴线转动的驱动转轴（10），驱动转轴（10）的端部具有与断路器上的主轴（8）同轴连接的连接结构；电磁机构（2）具有可沿轴向在第一位置和第二位置之间移动的输出轴（21）；联动组件（3）用于联动转轴（10）与输出轴（21）之间的联动连接；弹力机构（4）的弹力作用于联动组件（3）上；在所述安装座（1）上设有将其安装在充气柜内的安装结构；所述安装结构包括设于所述安装座（1）底部的定位槽（11）和设置在所述安装座（1）上部的螺丝孔（12）。该分合闸操作装置结构相对简化合理，实用性好。

Description

充气柜断路器用分合闸操作装置 技术领域
本发明涉及一种充气柜断路器用分合闸操作装置，属于断路器结构设计领域。
 背景技术
断路器的应用场合越来越广泛，尤其在充气柜中，国家电网对断路器的能耗、可靠性及机械寿命等性能方面有了更高的要求。
 技术问题
现有的充气柜断路器中分合闸操作装置存在构成零部件数量多，结构复杂的问题。
 技术解决方案
对此，本发明旨在提供一种结构相对简化的充气柜断路器用分合闸操作装置。
实现本发明目的的技术方案是：一种充气柜断路器用分合闸操作装置，其包括安装座、电磁机构、联动组件及弹力机构。
所述安装座上设有安装座，所述电磁机构、联动组件及弹力机构装于所述安装座上。
在所述安装座上设有可绕自身轴线转动的驱动转轴，所述驱动转轴的端部具有与断路器上的主轴同轴连接的连接结构；所述电磁机构具有可沿轴向在第一位置和第二位置之间移动的输出轴；所述联动组件用于所述联动转轴与输出轴之间的联动连接。
所述弹力机构的弹力作用于所述联动组件上。
所述电磁机构通电时产生的电磁力带动所述输出轴移动至第一位置，并通过所述联动组件克服弹力机构的弹力带动所述驱动转轴转动；所述电磁机构断电时在所述弹力机构的复位弹力作用下通过所述联动组件带动所述输出轴移动至第二位置，同时带动所述驱动转轴反向转动。
 上述技术方案中，所述联动组件包括通过安装轴可转动安装在所述安装座上的联动杆和固定在所述驱动转轴上的耳板，所述联动杆的一端与所述输出轴可转动连接，另一端与所述耳板可转动连接。
在所述安装座上设有将其安装在充气柜内的安装结构；所述安装结构包括设于所述安装座底部的定位槽和设置在所述安装座上部的螺丝孔；所述定位槽为槽口向下的 U 形槽，所述 U 形槽的槽口为 V 形。
上述技术方案中，还包括缓冲限位机构，所述缓冲限位机构包括固定在所述安装座上的缓冲垫和固定在所述驱动转轴上的限位板，通过限位板与所述缓冲垫相抵起到限位缓冲作用。
上述技术方案中，所述缓冲垫为橡胶垫，橡胶垫底部固定有支撑块上，所述支撑块固定在所述安装座上。
上述技术方案中，所述弹力机构包括拉簧、拉杆和定位块，所述拉杆设置在所述定位块上，所述拉簧的两端分别与所述联动组件和所述拉杆相连接。
上述技术方案中，所述拉杆上具有螺杆部，所述螺杆部穿设在所述定位块上的穿孔中，并在螺杆部上远离所述拉簧的一端螺接有限位螺母。
上述技术方案中，所述连接结构包括同轴套接在所述驱动转轴末端的连接套，所述连接套受限位结构限制只能相对于所述驱动转轴轴向移动，而不能沿周向转动，在所述驱动转轴上套有为所述连接套提供向外弹力的弹簧，所述连接套的末端中心位置设有连接插槽。
上述技术方案中，所述连接插槽为多边形槽。
上述技术方案中，所述限位结构包括成型在所述连接套上的沿轴向设置的腰型孔和固定在所述驱动转轴上且由所述腰型孔穿出的定位销。
所述弹簧为螺旋弹簧，其一端抵在所述连接套端面上，另一端抵在所述驱动转轴的台阶面上。
 有益效果
本发明具有积极的效果：本发明中的分合闸操作装置构成零部件明显减少，结构简化，具有很好的实用性，安装在充气柜内使用时，将安装座底部的定位槽与充气柜内的定位销配合，对分合闸操作装置形成支撑，然后通过使用螺栓穿过螺栓孔与充气柜内相应位置的螺孔配合加以固定，安装便捷，在充气柜内分合闸操作装置的侧方固定断路器本体，驱动转轴通过连接结构与断路器的操作机构主轴同轴连接即可，使用过程中，通过给所述电磁机构通电时产生的电磁力带动所述输出轴移动至第一位置，并通过所述联动杆克服弹力机构的弹力带动所述驱动转轴转动，继而通过带动断路器的操作机构主轴转动实现合闸；然后给所述电磁机构断电时在所述弹力机构的复位弹力作用下通过所述联动杆带动所述输出轴移动至第二位置，同时带动所述驱动转轴反向转动，继而通过带动断路器的操作机构主轴反向转动实现分闸。
 附图说明
图 1 为本发明中分合闸操作装置的正向视图。
图 2 为图 1 中安装座的侧面视图。
图 3 为图 1 中分合闸操作装置去掉部分部件后的立体图。
图 4 为充气柜断路器的结构示意图。
图中所示附图标记为： 1-安装座； 10-驱动转轴； 101-台阶面； 11-定位槽； 12-螺丝孔； 13-连接套； 131-腰型孔； 14-连接插槽； 15-定位销； 2-电磁机构； 21-输出轴； 3-联动组件； 31-安装轴； 32-联动杆；33-耳板； 4-弹力机构； 41-拉簧； 42-拉杆； 43-定位块； 44-限位螺母； 5-缓冲垫； 6-限位板； 7-支撑块； 8-操作机构主轴。
 本发明的最佳实施方式
下面结合说明书附图对本发明中分合闸操作装置的具体结构做以说明：一种充气柜断路器用分合闸操作装置，如图 1 至图 4 所示，其包括安装座 1、电磁机构 2、联动组件 3 及弹力机构 4；所述安装座 1 上设有安装座 1，所述电磁机构 2、联动组件 3 及弹力机构 4 装于所述安装座 1 上；在所述安装座 1 上设有可绕自身轴线转动的驱动转轴 10，所述驱动转轴 10 的端部具有与断路器上的主轴同轴连接的连接结构；所述电磁机构 2 具有可沿轴向在第一位置和第二位置之间移动的输出轴 21；所述联动组件 3 用于所述联动转轴 10 与输出轴 21 之间的联动连接；所述弹力机构 4 的弹力作用于所述联动组件 3 上；所述电磁机构 2 通电时产生的电磁力带动所述输出轴 21 移动至第一位置，并通过所述联动组件 3 克服弹力机构 4 的弹力带动所述驱动转轴 10 转动；所述电磁机构 2 断电时在所述弹力机构 4 的复位弹力作用下通过所述联动组件 32 带动所述输出轴 21 移动至第二位置，同时带动所述驱动转轴 10 反向转动；在所述安装座 1 上设有将其安装在充气柜内的安装结构；所述安装结构包括设于所述安装座 1 底部的定位槽 11 和设置在所述安装座 1 上部的螺丝孔 12；所述定位槽 11 为槽口向下的 U 形槽，所述 U 形槽的槽口为 V 形。
本实施例中的分合闸操作装置的构成零部件明显减少，结构简化，具有很好的实用性，安装在充气柜内时，将安装座 1 底部的定位槽与充气柜内的定位销配合，对分合闸操作装置形成支撑，然后通过使用螺栓穿过螺栓孔与充气柜内相应位置的螺孔配合加以固定，安装便捷，在充气柜内分合闸操作装置的侧方固定断路器本体，驱动转轴通过连接结构与断路器的操作机构主轴 8 同轴连接即可，使用过程中，通过给所述电磁机构通电时产生的电磁力带动所述输出轴 21 移动至第一位置，并通过所述联动杆 32克服弹力机构 4 的弹力带动所述驱动转轴 10 转动，继而通过带动断路器的操作机构主轴 8 转动实现合闸；然后给所述电磁机构 2 断电时在所述弹力机构 4 的复位弹力作用下通过所述联动杆 32 带动所述输出轴 21 移动至第二位置，同时带动所述驱动转轴 10 反向转动，继而通过带动断路器的操作机构主轴 8 反向转动实现分闸。
如图所示，在本实施例中，所述联动组件 3 包括通过安装轴 31 可转动安装在所述安装座 1 上的联动杆 32 和固定在所述驱动转轴 10 上的耳板 33，所述联动杆 32 的一端与所述输出轴 21 可转动连接，另一端与所述耳板 33可转动连接，从而实现联动。
本实施例中，还包括缓冲限位机构，所述缓冲限位机构包括固定在所述安装座 1 上的缓冲垫 5 和固定在所述驱动转轴 10 上的限位板 6，通过限位板 6 与所述缓冲垫 5 相抵起到限位缓冲作用，在分闸时，通过弹力机构 4的弹力作用下带动驱动转轴 10 转动，通过限位板 6 与缓冲垫 5 的相抵起到缓冲及限位作用。
进一步，所述缓冲垫 5 为橡胶垫，橡胶垫 5 底部固定有支撑块 7 上，所述支撑块 7 固定在所述安装座 1 上。
本实施例中，所述弹力机构 4 包括拉簧 41、拉杆 42 和定位块 43，所述拉杆 42 设置在所述定位块 43 上，所述拉簧 41 的两端分别与所述联动组件3（在本实施例中具体是联动组件中的联动杆 32）和所述拉杆 42 相连接，参看附图所示。
再进一步，所述拉杆 42 上具有螺杆部，所述螺杆部穿设在所述定位块43 上的穿孔中，并在螺杆部上远离所述拉簧 41 的一端螺接有限位螺母 44，组装时通过设置限位螺母 44 与定位块 43 相抵防止螺杆部由定位块上的穿孔移出，并且通过调整限位螺母 44 在螺杆部上的位置能调整拉簧 41 的弹力大小。
本实施例中，所述连接结构包括同轴套接在所述驱动转轴 10 末端的连接套 13，所述连接套 13 受限位结构限制只能相对于所述驱动转轴 10 轴向移动，而不能沿周向转动，在所述驱动转轴 10 上套有为所述连接套提供向外弹力的弹簧，所述连接套 13 的末端中心位置设有连接插槽 14，在安装时分别将断路器与分合闸操作装置固定在充气柜内，通过连接套 13 上的连接插槽与断路器上的主轴端部插接即可连接，所述驱动转轴 10 转动带动其上的连接套 13 转动，进而带动断路器上的主轴转动。通过设置弹簧为连接套提供始终向外的弹性力，从而保证在安装使用时连接套与断路器的主轴始终保持套接配合。
本实施例中，所述连接插槽 14 为多边形槽，对应的，与断路器上的主轴 8 截面为相应的多边形连接时，将断路器上的主轴的端部插入连接插槽14 内即可形成连接。
本实施例中，所述限位结构包括成型在所述连接套 13 上的沿轴向设置的腰型孔 131 和固定在所述驱动转轴 10 上且由所述腰型孔 131 穿出的定位销 15，通过定位销与腰型孔 131 配合作用从而使所述连接套 13 在驱动转轴10 上轴向移动而不能周向转动；所述弹簧为螺旋弹簧，其一端抵在所述连接套 13 端面上，另一端抵在所述驱动转轴 10 的台阶面 101 上。
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而这些属于本发明的实质精神所引伸出的显而易见的变化或变动仍属于本发明的保护范围。

Claims (9)

  1. 一种充气柜断路器用分合闸操作装置，其特征在于，其包括安装座（1）、电磁机构（2）、联动组件（3）及弹力机构（4）；
    所述电磁机构（2）、联动组件（3）及弹力机构（4）装于所述安装座（1）上；
    在所述安装座（1）上设有可绕自身轴线转动的驱动转轴（10），所述驱动转轴（10）的端部具有与断路器上的主轴同轴连接的连接结构；所述电磁机构（2）具有可沿轴向在第一位置和第二位置之间移动的输出轴（21）；所述联动组件（3）用于所述联动转轴（10）与输出轴（21）之间的联动连接；
    所述弹力机构（4）的弹力作用于所述联动组件（3）上；
    所述电磁机构（2）通电时产生的电磁力带动所述输出轴（21）移动至第一位置，并通过所述联动组件（3）克服弹力机构（4）的弹力带动所述驱动转轴（10）转动；所述电磁机构（2）断电时在所述弹力机构（4）的复位弹力作用下通过所述联动组件（32）带动所述输出轴（21）移动至第二位置，同时带动所述驱动转轴（10）反向转动；
    在所述安装座（1）上设有将其安装在充气柜内的安装结构；所述安装结构包括设于所述安装座（1）底部的定位槽（11）和设置在所述安装座（1）上部的螺丝孔（12）；所述定位槽（11）为槽口向下的 U 形槽，所述 U 形槽的槽口为 V 形。
  2. 根据权利要求 1 所述的充气柜断路器用分合闸操作装置，其特征在于，所述联动组件（3）包括通过安装轴（31）可转动安装在所述安装座（1）上的联动杆（32）和固定在所述驱动转轴（10）上的耳板（33），所述联动杆（32）的一端与所述输出轴（21）可转动连接，另一端与所述耳板（33）可转动连接。
  3. 根据权利要求 1 所述的充气柜断路器用分合闸操作装置，其特征在于，还包括缓冲限位机构，所述缓冲限位机构包括固定在所述安装座（1）上的缓冲垫（5）和固定在所述驱动转轴（10）上的限位板（6），通过限位板（6）与所述缓冲垫（5）相抵起到限位缓冲作用。
  4. 根据权利要求 3 所述的充气柜断路器用分合闸操作装置，其特征在于，所述缓冲垫（5）为橡胶垫，橡胶垫（5）底部固定有支撑块（7）上，所述支撑块（7）固定在所述安装座（1）上。
  5. 根据权利要求 1 所述的充气柜断路器用分合闸操作装置，其特征在于，所述弹力机构（4）包括拉簧（41）、拉杆（42）和定位块（43），所述拉杆（42）设置在所述定位块（43）上，所述拉簧（41）的两端分别与所述联动组件（3）和所述拉杆（42）相连接。
  6. 根据权利要求 5 所述的充气柜断路器用分合闸操作装置，其特征在于，所述拉杆（42）上具有螺杆部，所述螺杆部穿设在所述定位块（43）上的穿孔中，并在螺杆部上远离所述拉簧（41）的一端螺接有限位螺母（44）。
  7. 根据权利要求 1 至 6 中任一项所述的充气柜断路器用分合闸操作装置，其特征在于，所述连接结构包括同轴套接在所述驱动转轴（10）末端的连接套（13），所述连接套（13）受限位结构限制只能相对于所述驱动转轴（10）轴向移动，而不能沿周向转动，在所述驱动转轴（10）上套有为所述连接套提供向外弹力的弹簧，所述连接套（13）的末端中心位置设有连接插槽（14）。
  8. 根据权利要求 7 所述的充气柜断路器用分合闸操作装置，其特征在于，所述连接插槽（14）为多边形槽。
  9. 根据权利要求 7 所述的充气柜断路器用分合闸操作装置，其特征在于，所述限位结构包括成型在所述连接套（13）上的沿轴向设置的腰型孔（131）和固定在所述驱动转轴（10）上且由所述腰型孔（131）穿出的定位销（15）；
    所述弹簧为螺旋弹簧，其一端抵在所述连接套（13）端面上，另一端抵在所述驱动转轴（10）的台阶面（101）上。
PCT/CN2020/114378 2020-06-01 2020-09-10 充气柜断路器用分合闸操作装置 WO2021243874A1 (zh)

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