WO2018032306A1 - 一种双闸刀高压隔离开关 - Google Patents

一种双闸刀高压隔离开关 Download PDF

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Publication number
WO2018032306A1
WO2018032306A1 PCT/CN2016/095426 CN2016095426W WO2018032306A1 WO 2018032306 A1 WO2018032306 A1 WO 2018032306A1 CN 2016095426 W CN2016095426 W CN 2016095426W WO 2018032306 A1 WO2018032306 A1 WO 2018032306A1
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Prior art keywords
blade
shaft
contact
pin
double
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PCT/CN2016/095426
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English (en)
French (fr)
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朱伯秦
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朱伯秦
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Priority to PCT/CN2016/095426 priority Critical patent/WO2018032306A1/zh
Publication of WO2018032306A1 publication Critical patent/WO2018032306A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/04—Interlocking mechanisms
    • H01H31/10—Interlocking mechanisms for interlocking two or more switches

Definitions

  • the invention relates to the technical field of strong electric equipment, in particular to a double-knife high-voltage isolating switch.
  • the isolating switch When the isolating switch is in the sub-position, there is an insulation distance and an obvious disconnection mark between the contacts in accordance with the specified requirements; in the combined position, it can carry the current under the normal loop condition and the current under the abnormal condition within the specified time.
  • Equipment, and the common one is the single-blade isolating switch.
  • the single-blade isolating switch is extremely easy to cause the virtual connection or open circuit of the line. It is unstable and the isolation effect is not good. Therefore, a double-blade high-voltage isolating switch is provided.
  • a double-knife high-voltage isolating switch including a card holder, the top of the top of the card holder is symmetrically mounted with an insulator, and the top end of the insulator is fixedly mounted with a contact seat.
  • a lock plate is disposed on the contact base, a shaft is inserted through the middle of the upper surface of the card seat, and a blade drive device is mounted on a sidewall of the shaft, and a shaft is inserted through the middle of the shaft, and the shaft is inserted
  • the end portion of the inner cavity of the card seat is sleeved with a bevel disk, and the bevel disk is engaged with one end of a driving shaft installed in the inner cavity of the card seat, and the other end of the driving shaft extends to the outside of the card seat Fixed installation with the knob.
  • the lock plate is provided with two pin holes matched with the blade driving device
  • the blade driving device comprises two S-shaped blades, and the ends of the S-shaped blade are fixedly mounted.
  • a contact pin the S-shaped blade is sequentially sleeved on the rotating shaft from above and below
  • an active toothed disc is mounted on the bottom of the center of the S-shaped blade at the distal end, and the top end of the bottom end of the S-shaped blade of the near-ground is installed Driven toothed disc, and the active toothed disc passes through the umbrella
  • the pinion is rotatably coupled to the driven toothed disc.
  • the inner wall of the pin hole is uniformly provided with a circular limiting pin, and the end of the limiting pin is locked to the inner wall of the locking plate by an elastic member.
  • the S-type knife rotates at an angle ranging from 0 to 90 degrees.
  • the blade driving device comprises an elliptical rotating disk, and the rotating disk is sleeved on the side wall of the rotating shaft, and the two long-axis ends of the rotating disk are respectively mounted with parallel-shaped one-shaped gates through the pin shaft
  • the knives and the two ends of the flat blade are respectively matched with the contact blocks provided on the side wall of the lock plate.
  • the rotating disk and the outer sidewall of the handle are provided with an insulating coating.
  • At least one pair of conductor contacts are mounted on the contact holder.
  • the invention has the beneficial effects that the two S-type knives and two one-word knives respectively connect or disconnect the lock plates, so that the current can be effectively and stably controlled.
  • the rotation direction of the S-type knife is reversed, which facilitates the use of the isolating switch; by using the rotating disc and using the principle of eccentric motion
  • the one-word knives are connected with the matching contact blocks, which effectively avoids the phenomenon of virtual connection when the single-blade is used; by installing the finite pin at the pin hole, the contact pin can be effectively prevented from falling out of the pin hole come out.
  • FIG. 1 is a schematic structural view of a first embodiment of the present invention
  • FIG. 2 is a schematic structural view of a second embodiment of the present invention.
  • Figure 3 is a plan view of a first embodiment of the present invention.
  • Figure 4 is a plan view of a second embodiment of the present invention.
  • a double-knife high-voltage isolating switch including a card holder 1, the insulator 2 is symmetrically mounted on both sides of the top of the card holder 1, and the top of the insulator 2 is
  • the contact base 3 is fixedly mounted, and the contact base 3 is provided with a lock plate 4, at least a pair of conductor contacts are mounted on the contact base 3, and the upper surface of the upper surface of the card holder 1 is interspersed with a shaft a rod 5, and a side wall of the shaft 5 is mounted with a blade driving device 6, a central portion of the shaft 5 is inserted with a rotating shaft 7, and the end of the rotating shaft 7 is inserted into the inner cavity of the cartridge 1 with a bevel disk 8
  • the bevel disk 8 is engaged with one end of the drive shaft 9 installed in the inner cavity of the card holder 1, and the other end of the drive shaft 9 extends to the outside of the card holder 1 and is fixedly mounted with the knob
  • the blade driving device 6 includes two S-shaped blades 61, and the ends of the S-shaped blade 61 are fixedly mounted with a contact pin 62, and the S-shaped blade 61 is sequentially sleeved on the rotating shaft 5 from above to below.
  • An active toothed disc 63 is mounted on the bottom of the center of the S-type guillotine 61 at the distal end, and the driven sprocket 64 is mounted at the top end of the central bottom of the S-type guillotine 61, and the drive spur 63 passes through the spur shaft.
  • 65 is rotatably connected with the driven toothed disc 64.
  • the rotation direction of the S-shaped guillotine 61 is reversed, thereby facilitating the use of the isolating switch.
  • the angle of rotation of the S-type blade 61 is in the range of 0 to 90 degrees, and the lock plate 4 is connected or disconnected by the S-type blade 61, so that the conduction of the current can be effectively and stably controlled;
  • the inner wall of the pin hole 10 is uniformly provided with a circular limiting pin 13 , and the end of the limiting pin 13 is locked to the inner wall of the locking plate 4 by an elastic member.
  • the driving shaft 9 drives the bevel disk 8 to rotate by manually screwing the knob 10, and then the shaft 5 is rotated, and then the interaction between the driving tooth plate 63, the driven toothed disk 64 and the bevel shaft 65 is performed.
  • the S-type knives 61 are respectively rotated in different directions.
  • the contact pin 62 is caught in the pin hole 11 to complete the connection of the circuit.
  • the guillotine 61 is rotated horizontally by 90 degrees, the contact pin 62 inserted in the pin hole 11 is pulled out to complete the disconnection of the circuit.
  • the present patent provides a second embodiment: a double-knife high-voltage isolating switch, including a card holder 1, the insulator 2 is symmetrically mounted on both sides of the top of the card holder 1, and the top of the insulator 2 is
  • the contact holder 3 is fixedly mounted, and at least a pair of conductor contacts are mounted on the contact holder 3, and the contact holder 3 is provided with a lock plate 4, and the upper surface of the card holder 1 is inserted with a shaft a rod 5, and a side wall of the shaft 5 is mounted with a blade driving device 6, a central portion of the shaft 5 is inserted with a rotating shaft 7, and the end of the rotating shaft 7 is inserted into the inner cavity of the cartridge 1 with a bevel disk 8
  • the bevel disk 8 is engaged with one end of the drive shaft 9 installed in the inner cavity of the card holder 1, and the other end of the drive shaft 9 extends to the outside of the card holder 1 and is fixedly mounted with the knob 10,
  • the blade driving device 6 includes an elliptical rotating disk 66, and the rotating disk 66 is sleeved on the side wall of the rotating shaft 5, and the in-line blade 68 is matched with the rotating plate 66 by using the principle of eccentric motion.
  • the contact blocks 12 are oppositely connected, which effectively avoids the phenomenon of virtual connection when the single-blade is used.
  • the two long-axis ends of the rotating disk 66 are respectively connected with the parallel-shaped flat-shaped blade 68 through the pin 67.
  • the two ends of the in-line blade 68 are respectively matched with the contact blocks 12 provided on the side wall of the locking plate 4, and the rotating plate 66 and the outer side wall of the knob 10 are provided with an insulating coating, and the shape is
  • the blade 68 connects or disconnects the lock plates 4, respectively, and can effectively and stably control the conduction of current.
  • the driving shaft 9 drives the bevel disk 8 to rotate by manually screwing the knob 10, and then the shaft 5 is rotated to rotate the elliptical rotating disk 66.
  • the in-line blade 68 and the contact block 12 are in contact with each other, completing the conduction of the circuit due to the rotating disk 66
  • the rotation of the rotating disk 66 causes the in-line blade 68 to be disconnected from the contact block 12, completing the disconnection of the circuit.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

一种双闸刀高压隔离开关，包括卡座（1），所述卡座（1）的顶部两侧对称安装有绝缘子（2），且绝缘子（2）的顶端固定安装有触头座（3），所述触头座（3）上设有锁扣板（4），所述卡座（1）的上表面中部穿插安装有轴杆（5），且轴杆（5）的侧壁安装有闸刀驱动装置（6）。通过两个S型闸刀（61）和两个一字型闸刀（68）分别对锁扣板（4）之间进行连接或断开，可以有效稳定的控制电流的导通；通过采用从动齿盘（64）、主动齿盘（63）和伞齿轴（65）的相互配合，使S型闸刀（61）旋转的旋转方向相反，便于隔离开关的使用；通过使用转动盘（66）并利用偏心运动的原理将一字型闸刀（68）与匹配的触块（12）相对接上，有效的避免了单闸刀使用时发生虚连的现象；通过在销孔（11）处安装有限位销（13），可以有效的防止触销（62）从销孔（11）内脱落出来。

Description

一种双闸刀高压隔离开关 技术领域
本发明涉及强电设备技术领域，具体为一种双闸刀高压隔离开关。
背景技术
隔离开关处在分位置时，触头间有符合规定要求的绝缘距离和明显的断开标志；在合位置时，能承载正常回路条件下的电流及在规定时间内异常条件下的电流的开关设备，而普通的为单闸刀隔离开关，单闸刀隔离开关极其容易造成线路的虚连或断路，使用起来并不稳定隔离效果不好，为此提供了一种双闸刀高压隔离开关。
发明内容
本发明的目的在于提供一种双闸刀高压隔离开关，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种双闸刀高压隔离开关，包括卡座，所述卡座的顶部两侧对称安装有绝缘子，且绝缘子的顶端固定安装有触头座，所述触头座上设有锁扣板，所述卡座的上表面中部穿插安装有轴杆，且轴杆的侧壁安装有闸刀驱动装置，所述轴杆的中部穿插有转轴，且转轴穿插在卡座内腔的端部套接有伞齿盘，所述伞齿盘与安装在卡座内腔中的驱动轴杆的一端相互啮合，且驱动轴杆的另一端延伸至卡座外部与旋柄固定安装。
其中，所述锁扣板上均设有两个与闸刀驱动装置相匹配的销孔，所述闸刀驱动装置包括两个S型闸刀，且S型闸刀的端部均固定安装有触销，所述S型闸刀由上之下依次套接在转轴上，且远地端的S型闸刀中心底部安装有主动齿盘，所述近地端的S型闸刀中心底部顶端安装有从动齿盘，且主动齿盘通过伞 齿轴与从动齿盘转动连接。
其中，所述销孔的内壁均匀设有圆形的限位销，所述限位销的端部均通过弹性件卡接在锁扣板内壁。
其中，所述S型闸刀旋转的角度范围在0至90度。
其中，所述闸刀驱动装置包括椭圆形的转动盘，且转动盘套接于转轴的侧壁上，所述转动盘的两个长轴端均通过销轴安装有相互平行的一字型闸刀，且一字型闸刀的两端分别与锁扣板侧壁设有的触块相匹配。
其中，所述转动盘与旋柄的外侧壁均设有绝缘涂层。
其中，所述触头座上至少安装有一对导体触头。
与现有技术相比，本发明的有益效果是：本发明通过两个S型闸刀和两个一字型闸刀分别对锁扣板之间进行连接或断开，可以有效稳定的控制电流的导通；通过采用从动齿盘、主动齿盘和伞齿轴的相互配合，使S型闸刀旋转的旋转方向相反，便于隔离开关的使用；通过使用转动盘并利用偏心运动的原理将一字型闸刀与匹配的触块相对接上，有效的避免了单闸刀使用时发生虚连的现象；通过在销孔处安装有限位销，可以有效的防止触销从销孔内脱落出来。
发明内容
图1为本发明第一实施例的结构示意图；
图2为本发明第二实施例的结构示意图；
图3为本发明第一实施例的俯视图；
图4为本发明第二实施例的俯视图。
图中：1卡座、2绝缘子、3触头座、4锁扣板、5轴杆、6闸刀驱动装置、61S型闸刀、62触销、63主动齿盘、64从动齿盘、65伞齿轴、66、转动盘、67销轴、68一字型闸刀、7转轴、8伞齿盘、9驱动轴杆、10旋柄、11销孔、 12触块、13限位销。
具体实施方式
下面结合具体实施例对本发明进行进一步描述，但本发明的保护范围并不限于此。
请参阅图1和图3，本专利提供第一实施例：一种双闸刀高压隔离开关，包括卡座1，所述卡座1的顶部两侧对称安装有绝缘子2，且绝缘子2的顶端固定安装有触头座3，所述触头座3上设有锁扣板4，所述触头座3上至少安装有一对导体触头，所述卡座1的上表面中部穿插安装有轴杆5，且轴杆5的侧壁安装有闸刀驱动装置6，所述轴杆5的中部穿插有转轴7，且转轴7穿插在卡座1内腔的端部套接有伞齿盘8，所述伞齿盘8与安装在卡座1内腔中的驱动轴杆9的一端相互啮合，且驱动轴杆9的另一端延伸至卡座1外部与旋柄10固定安装，所述锁扣板4上均设有两个与闸刀驱动装置6相匹配的销孔10，通过在销孔11处安装有限位销13，可以有效的防止触销62从销孔11内脱落出来；
所述闸刀驱动装置6包括两个S型闸刀61，且S型闸刀61的端部均固定安装有触销62，所述S型闸刀61由上之下依次套接在转轴5上，且远地端的S型闸刀61中心底部安装有主动齿盘63，所述近地端的S型闸刀61中心底部顶端安装有从动齿盘64，且主动齿盘63通过伞齿轴65与从动齿盘64转动连接，通过采用从动齿盘64、主动齿盘63和伞齿轴65的相互配合，使S型闸刀61旋转的旋转方向相反，便于隔离开关的使用，所述S型闸刀61旋转的角度范围在0至90度，通过S型闸刀61对锁扣板4之间进行连接或断开，可以有效稳定的控制电流的导通；
所述销孔10的内壁均匀设有圆形的限位销13，所述限位销13的端部均通过弹性件卡接在锁扣板4内壁。
工作原理：通过手动旋拧旋柄10使驱动轴杆9带动伞齿盘8转动，其次导致轴杆5转动，再通过主动齿盘63、从动齿盘64和伞齿轴65的相互配合，使S型闸刀61分别以不同方向进行转动，当S型闸刀61转动到与锁扣板4处于同一直线时会使触销62卡接在销孔11内，完成电路的连接，当S型闸刀61旋转水平旋转90度后，会将插入在销孔11内的触销62拔出，完成电路的断开。
请参阅图2和图4，本专利提供第二实施例：一种双闸刀高压隔离开关，包括卡座1，所述卡座1的顶部两侧对称安装有绝缘子2，且绝缘子2的顶端固定安装有触头座3，所述触头座3上至少安装有一对导体触头，所述触头座3上设有锁扣板4，所述卡座1的上表面中部穿插安装有轴杆5，且轴杆5的侧壁安装有闸刀驱动装置6，所述轴杆5的中部穿插有转轴7，且转轴7穿插在卡座1内腔的端部套接有伞齿盘8，所述伞齿盘8与安装在卡座1内腔中的驱动轴杆9的一端相互啮合，且驱动轴杆9的另一端延伸至卡座1外部与旋柄10固定安装，所述锁扣板4上均设有两个与闸刀驱动装置6相匹配的销孔11；
所述闸刀驱动装置6包括椭圆形的转动盘66，且转动盘66套接于转轴5的侧壁上，通过使用转动盘66并利用偏心运动的原理将一字型闸刀68与匹配的触块12相对接上，有效的避免了单闸刀使用时发生虚连的现象，所述转动盘66的两个长轴端均通过销轴67安装有相互平行的一字型闸刀68，且一字型闸刀68的两端分别与锁扣板4侧壁设有的触块12相匹配，所述转动盘66与旋柄10的外侧壁均设有绝缘涂层，通过一字型闸刀68分别对锁扣板4之间进行连接或断开，可以有效稳定的控制电流的导通。
工作原理：通过手动旋拧旋柄10使驱动轴杆9带动伞齿盘8转动，其次带动轴杆5转动，从而会使椭圆形的转动盘66进行转动，在转动盘66在转动过程中，一字型闸刀68与触块12相互接触，完成了电路的导通，由于转动盘66 为椭圆形，在对转动盘66进行转动会使对一字型闸刀68与触块12断开，完成了电路的断开。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (2)

  1. 一种双闸刀高压隔离开关，包括卡座，其中，所述卡座的顶部两侧对称安装有绝缘子，且绝缘子的顶端固定安装有触头座，所述触头座上设有锁扣板，所述卡座的上表面中部穿插安装有轴杆，且轴杆的侧壁安装有闸刀驱动装置，所述轴杆的中部穿插有转轴，且转轴穿插在卡座内腔的端部套接有伞齿盘，所述伞齿盘与安装在卡座内腔中的驱动轴杆的一端相互啮合，所述触头座上至少安装有一对导体触头。
  2. 根据权利要求1所述的双闸刀高压隔离开关，其中，所述锁扣板上均设有两个与闸刀驱动装置相匹配的销孔，所述闸刀驱动装置包括两个S型闸刀，且S型闸刀的端部均固定安装有触销，所述S型闸刀由上之下依次套接在转轴上，且远地端的S型闸刀中心底部安装有主动齿盘，所述近地端的S型闸刀中心底部顶端安装有从动齿盘，且主动齿盘通过伞齿轴与从动齿盘转动连接。
PCT/CN2016/095426 2016-08-16 2016-08-16 一种双闸刀高压隔离开关 WO2018032306A1 (zh)

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Citations (14)

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