WO2021027275A1 - 多开关互锁装置 - Google Patents

多开关互锁装置 Download PDF

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Publication number
WO2021027275A1
WO2021027275A1 PCT/CN2020/077955 CN2020077955W WO2021027275A1 WO 2021027275 A1 WO2021027275 A1 WO 2021027275A1 CN 2020077955 W CN2020077955 W CN 2020077955W WO 2021027275 A1 WO2021027275 A1 WO 2021027275A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotating rod
rotating
switch
link mechanism
rod
Prior art date
Application number
PCT/CN2020/077955
Other languages
English (en)
French (fr)
Inventor
陈文安
王思聪
杜伟
李聪
谢启源
张永鑫
杨海涌
端木宇翔
严振杰
倪丹
陆佩芳
吴冰清
Original Assignee
科华恒盛股份有限公司
上海核工程研究设计院有限公司
国核工程有限公司
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 科华恒盛股份有限公司, 上海核工程研究设计院有限公司, 国核工程有限公司 filed Critical 科华恒盛股份有限公司
Priority to GB2111810.4A priority Critical patent/GB2600217B/en
Publication of WO2021027275A1 publication Critical patent/WO2021027275A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches

Definitions

  • This solution belongs to the technical field of power supply and distribution equipment, and more specifically, relates to a multi-switch interlocking device.
  • the connection and disconnection between the charger, the charging and discharging unit and the storage battery are realized through the isolation switch, so that the charger can supply power to the battery and the load and maintain the charging and discharging of the battery.
  • the isolation switch when operating the isolation switch, it is easy to close two or more isolation switches at the same time by mistake. At this time, vicious accidents such as multiple power supply short-circuits will occur. In order to avoid this situation, it must be added to the multi-channel power switch. Interlocking structure. In the case that a switch has been closed, the other switches cannot be closed to avoid multiple disconnecting switches being closed at the same time due to operating errors. However, most of the existing interlocking structures currently use electrical control to interlock between multiple isolating switches, which has poor stability and reliability.
  • the purpose of this solution is to provide a multi-switch interlock device, which aims to solve the problem of poor stability and reliability due to the fact that most of the existing isolation switch interlock structures adopt electrical control.
  • the technical solution adopted by this solution is to provide a multi-switch interlocking device, which includes a first rotating rod for controlling the opening or closing of the end switch, and for controlling the opening or closing of the other end switch
  • the second rotating rod is connected to the first rotating rod for locking the first link mechanism, and the second rotating rod is connected to the second rotating rod for locking the first connecting rod.
  • the second linkage mechanism of the rod when the first turning rod is turned on by turning the control end switch, the first turning rod uses the first linkage mechanism to lock and fix the second turning rod; When the second rotating rod is turned on by controlling the other end switch to open, the second rotating rod locks and fixes the first rotating rod by means of the second link mechanism.
  • the multi-switch interlocking device further includes a third rotating lever and a third rotating lever arranged between the first rotating lever and the second rotating lever for controlling the opening or closing of the intermediate switch.
  • the third rotating rod is drivingly connected to a third linkage mechanism for locking the first rotating rod and the second rotating rod; when the third rotating rod is turned on by controlling the intermediate switch, the The three-link mechanism locks and fixes the first rotating rod and the second rotating rod; when the first rotating rod is turned on by turning the control end switch, the second rotating rod is turned by the first connecting rod mechanism.
  • the rod is locked and fixed with the third rotating rod; when the second rotating rod is turned to control the other end switch to open, the second rotating rod uses the second link mechanism to connect the first rotating rod to The third rotating rod is locked and fixed.
  • the number of the third rotating rod and the third link mechanism are both multiple; when one of the third rotating rods is turned on by controlling the intermediate switch, the third rotating rod The rod locks and fixes the first rotating rod, the second rotating rod and the remaining third rotating rods by means of the third link mechanism.
  • the upper part of the first link mechanism is provided with a clamping groove for locking the second rotating rod and the third rotating rod, and an end of the clamping groove is provided There is a relief hole for accommodating the second rotating rod or the third rotating rod and communicating with the clamping groove; the upper part of the second link mechanism is provided for locking the first rotating rod and the third rotating rod.
  • the clamping groove of the rod, the end of the clamping groove is provided with a relief hole for accommodating the first rotating rod or the third rotating rod and communicating with the clamping groove; the upper part of the third link mechanism
  • a clamping groove for locking the first and second rotating rods and the remaining third rotating rods is provided, and an end of the clamping groove is provided for accommodating the first rotating rod or The second rotating rod or the third rotating rod is connected to the relief hole of the clamping groove.
  • the relief holes on the first link mechanism are all located at one end of the clamping groove close to the first rotating rod, and the relief holes on the second link mechanism are all It is located at an end of the clamping groove close to the second rotating rod, and all the relief holes on the third link mechanism are located at an end of the clamping groove close to the third rotating rod.
  • the first link mechanism, the second link mechanism, and the third link mechanism are stacked along the length direction of the first rotating rod; when the switches are all in a closed state
  • the first rotating rod is located in the clearance holes on the second link mechanism and the third link mechanism
  • the second rotating rod is located between the first link mechanism and the third link mechanism.
  • the third rotating rod is located in the relief hole on the first link mechanism, the third link mechanism and other third link mechanisms.
  • the first linkage mechanism includes a first sliding piece arranged on the side of the first rotating rod, and a first sliding piece arranged on the outside of the first rotating rod for connecting the first rotating rod.
  • the first transmission structure of the rod and the first sliding piece is arranged on the side of the first rotating rod, and a first sliding piece arranged on the outside of the first rotating rod for connecting the first rotating rod.
  • the first transmission mechanism includes a first rotating piece that is arranged on the first rotating rod and can rotate with the first rotating rod, and is arranged on the first rotating piece and the first rotating piece.
  • the first connecting piece is hingedly arranged between the first sliding pieces and at both ends of the first sliding piece and the ends of the first sliding piece; when the first rotating rod rotates, the first connecting piece is driven The rotating piece rotates together, and drives the first sliding piece to move through the first connecting piece.
  • the third link mechanism includes two third sliding pieces respectively arranged on both sides of the third rotating rod and used to connect the third rotating rod and the third sliding rod.
  • the third transmission structure of the piece; the third transmission structure includes a third rotating piece arranged on the third rotating rod and rotatable with the third rotating rod and two arranged on the third rotating piece and A third connecting piece arranged between the third sliding pieces and at both ends of the third sliding piece hingedly connected to the third rotating piece and the end of the third sliding piece; when the third rotating rod rotates, the third rotating piece is driven to rotate , And drive the two third sliding pieces to move through the two third connecting pieces.
  • the multi-switch interlocking device further includes a device located between the first link mechanism and the end switch for installing the first link mechanism and the second link mechanism A supporting frame and a guide fixing seat arranged on the supporting frame for supporting and installing the first link mechanism and the second link mechanism.
  • the multi-switch interlocking device controls the opening and closing of different switches through the rotation of the first rotating rod and the second rotating rod, and is also provided with a transmission connection with the first rotating rod for locking the second rotating rod.
  • the connecting rod mechanism locks and fixes the second rotating rod; when the second rotating rod is turned to control the other end switch to open, the second rotating rod uses the second connecting rod mechanism to lock and fix the first rotating rod.
  • the multi-switch interlocking device of this scheme can realize the modification and adjustment of the interlocking of multiple switches, realize the purpose that when one switch is turned on, the other switches are locked and cannot be opened, and prevent the misoperation of opening other switches when one switch is turned on. Cause a short circuit accident.
  • the structure is small and the installation and operation are simple, and the other switches are locked when one switch is turned on by mechanical interlocking, which has better safety and stability.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a multi-switch interlocking device provided by an embodiment of the solution;
  • FIG. 2 is a schematic top view of the structure of the multi-switch interlock device shown in FIG. 1;
  • FIG. 3 is a schematic diagram of the structure of the first sliding sheet and the third sliding sheet used in the embodiment of the solution;
  • Figure 4 is a schematic diagram of the structure of the first link mechanism used in the embodiment of the solution.
  • Figure 5 is a schematic diagram of the structure of the third link mechanism used in the embodiment of the solution.
  • the multi-switch interlocking device includes a first rotating rod for controlling the opening or closing of an end switch 1, a second rotating rod 2 for controlling the opening or closing of the other end switch, and a transmission connection with the first rotating rod 1
  • the end switch is turned on, the first turning rod 1 locks and fixes the second turning rod 2 by means of the first link mechanism 4; when the second turning rod 2 controls the other end switch to open by turning, the second turning rod 2
  • the two link mechanism 6 locks and fixes the first rotating rod 1.
  • the multi-switch interlocking device controls the opening and closing of different switches through the rotation of the first rotating rod 1 and the second rotating rod 2, and is also provided with
  • the rod 1 is drivingly connected to a first link mechanism 4 for locking the second rotating rod 2 and a second connecting rod mechanism 6 that is drivingly connected to the second rotating rod 2 for locking the first rotating rod 1; 1
  • the end switch is turned on by turning the control, the first rotary rod 1 locks and fixes the second rotary rod 2 by means of the first link mechanism 4;
  • the second rotary rod 2 is turned on to control the other end switch, the second rotary rod
  • the rod 2 uses the second link mechanism 6 to lock and fix the first rotating rod 1.
  • the multi-switch interlocking device of this scheme can realize mutual locking between multiple switches.
  • the rest of the switches are locked and cannot be opened, so as to prevent other switches from being opened due to misoperation when one switch is turned on.
  • Short circuit accident. Small structure and simple installation and operation, and the use of mechanical interlocking to lock the rest of the switches when one switch is turned on can effectively prevent possible failure of electrical interlocks, and improve the stability and reliability of multiple switch interlocks.
  • the multi-switch interlocking device also includes a device arranged between the first rotating rod 1 and the second rotating rod 2.
  • the third rotating rod 3 for controlling the opening or closing of the intermediate switch and the third link mechanism 5 which is connected to the third rotating rod 3 for locking the first rotating rod 1 and the second rotating rod 2; the third rotating rod 3
  • the middle switch is turned on by turning the control, the first turning rod 1 and the second turning rod 2 are locked and fixed by the third link mechanism 5; when the first turning rod 1 is turned on by turning the control end switch, the first turning rod is used
  • the mechanism 4 locks and fixes the second rotating rod 2 and the third rotating rod 3; when the second rotating rod 2 is turned to control the other end switch to open, the second rotating rod 2 uses the second link mechanism 6 to turn the first rotating rod 1 and the third rotating rod 3 are locked and fixed.
  • the arrangement of the third rotating rod 3 and the third link mechanism 5 enables the multi-switch interlocking device to realize the interlocking between the three switches.
  • the other switches are locked and cannot be opened, so as to prevent the misoperation of other switches when a certain switch is turned on, which may cause a short circuit accident.
  • Small structure and simple installation and operation, and the use of mechanical interlocking to lock the rest of the switches when one switch is turned on can effectively prevent possible failure of electrical interlocks, and improve the stability and reliability of multiple switch interlocks.
  • FIGS. 1 to 2 As a specific implementation of the multi-switch interlocking device provided by this solution, please refer to FIGS. 1 to 2.
  • the number of the third rotating rod 3 and the third link mechanism 5 are both multiple; one of the third rotating rods 3
  • the third rotating rod 3 locks and fixes the first rotating rod 1, the second rotating rod 2 and the remaining third rotating rods 3 by means of the third link mechanism 5.
  • the number of the third rotating rod 3 and the third link mechanism 5 are both multiple, so that the multi-switch interlocking device can realize the interlocking of multiple (more than three) switches, in which one third rotating rod 3 When the middle switch is controlled by turning to open or close, the remaining third rotating rods 3, the first rotating rod 1 and the second rotating rod 2 are locked to prevent misoperation of opening other switches.
  • the upper part of the first link mechanism 4 is provided with a position for locking the second rotating rod 2 and the third rotating rod 3.
  • the clamping groove 44, the end of the clamping groove 44 is provided with a relief hole 43 for receiving the second rotating rod 2 or the third rotating rod 3 and communicating with the clamping groove 44;
  • the upper part of the second link mechanism is provided with The clamping groove 44 of the first rotating rod 1 and the third rotating rod 3 is locked, and the end of the clamping groove 44 is provided with a let for receiving the first rotating rod 1 or the third rotating rod 3 and communicating with the clamping groove 44 Position hole 43;
  • the upper part of the third link mechanism 8 is provided with a clamping groove 44 for locking the first rotation rod 1 and the second rotation rod 2 and the remaining third rotation rods 3, and the end of the clamping groove 44 is provided
  • the length of the clamping groove 44 is along the movement direction of the first sliding piece 41 Setting; when the first rotating rod 1 rotates, the first rotating rod 1 drives the first sliding piece 41 to move through the first transmission structure 42, and the second rotating rod 2 and the plurality of third rotating rods 3 are clamped and fixed in the clamping groove Within 44.
  • the second rotating rod 2 and the third rotating rod 3 are arranged through the first sliding piece 41, and are rotatably located in the relief hole 43.
  • the second rotating rod 2 and the multiple third rotating rods The lever 3 can rotate freely in the relief hole 43 without affecting the use of other switches.
  • the switch is turned on by rotating the first rotating lever 1.
  • the first rotating lever 1 passes through the first transmission structure 42 Pull the first sliding piece 41 to move in the direction close to the first rotating rod 1, which is used to control the other second rotating rods 2 and the multiple third rotating rods 3 that are in the unopened state. All are clamped and fixed from the relief hole 43 To the clamping slot 44, the second rotating rod 2 and/or the multiple third rotating rods 3 used to control other switches in the unopened state are clamped and fixed, so that when one switch is turned on, the remaining switches are locked and fixed.
  • the purpose is simple structure, quick and convenient operation, good stability.
  • the relief holes on the first linkage mechanism are all located at the end of the clamping groove close to the first rotating rod, and the second The relief holes on the link mechanism are all located at the end of the clamping groove close to the second rotating rod, and the relief holes on the third link mechanism are all located at the end of the clamping groove close to the third rotating rod.
  • This arrangement of the clamping groove and the relief hole can facilitate the locking and fixing of the remaining rotating rods when the first, second, or third rotating rods rotate, so that the switch interlocking device can be used More convenient.
  • the relief hole 43 is a circular arc hole
  • the clamping groove 44 is a rectangular hole communicating with the relief hole 43.
  • Both the second rotating rod 2 and/or the third rotating rod 3 are provided with a clamping surface matching with the clamping groove 44.
  • the setting of the clamping surface can allow the second rotating rod 2 and/or the third rotating rod 3 to enter the clamping groove 44 to fix the second rotating rod 2 and/or the third rotating rod 3 when the first sliding piece 41 moves.
  • the number of clamping surfaces is two, and the two clamping surfaces are arranged parallel to each other.
  • the distance between the two clamping surfaces is adapted to the width of the clamping groove 44, and the first sliding piece 41 or the second sliding piece moves When the first rotating rod 1 or the second rotating rod 2 enters the clamping groove 44 to fix the first rotating rod 1 or the second rotating rod 2.
  • the relief hole 43 and the clamping groove 44 adopt this shape respectively, which makes the clamping and locking of the multi-switch interlocking device stronger.
  • the cross-sections of the first rotating rod 1 and the second rotating rod 2 and the third rotating rod 3 are all rectangles, and the width dimension of the rectangle is matched with the width dimension of the clamping groove 44, so that the first rotating rod 1 Or the second rotating rod 2 is more firmly fixed in the clamping groove 44, and the diameter of the relief hole 43 is larger than the length of the diagonal of the rectangle, so that the first rotating rod 1 or the second rotating rod 2 is in the relief hole 43 Turning is more convenient.
  • the first link mechanism 4 and the second link mechanism 6 and the third link mechanism 5 along the first rotating rod 1 is stacked in the length direction; when the switches are all in the closed state, the first rotating rod 1 is located in the clearance holes on the second link mechanism 6 and the third link mechanism 5, and the second rotating rod 2 is located in the first link
  • the lever mechanism 4 and the third link mechanism 5 are in the clearance holes, and the third rotating rod 3 is located in the first link mechanism 4, the third link mechanism 5 and other third link mechanisms 5 in the clearance holes .
  • the number of the clamping groove 44 and the relief hole 43 is multiple and they are all arranged along the length direction of the first link mechanism 4 or the second link mechanism 6 or the third link mechanism 5, and the first link mechanism 4 and the The second link mechanism 6 and the third link mechanism 5 adopt this distribution method to save the volume occupied by the first link mechanism 4, the second link mechanism 6 and the third link mechanism 5, and also make the multi-switch mutual
  • the structure of the lock device is more compact.
  • the first link mechanism 4 includes a first sliding piece 41 arranged on the side of the first rotating rod 1 and used for connecting The first transmission structure 42 of the first rotating rod 1 and the first sliding piece 41.
  • the first link mechanism 4 adopts this structure.
  • the first sliding piece 41 can slide in a direction parallel to the connecting line between the first rotating rod 1 and the second rotating rod 2 when the first rotating rod 1 controls the end switch to be in the off state.
  • the clamping groove on the first sliding piece 41 is in a non-contact free state with the second rotating rod 2 and the third rotating rod 3, and the second rotating rod 2 and the third rotating rod 3 are both located in the relief hole.
  • the first rotating rod 1 When the first rotating rod 1 is in the open state by turning the control end switch, the first rotating rod 1 drives the first sliding piece 41 to move through the first transmission mechanism, and the first sliding piece 41 drives the clamping groove and the relief hole to move together At this time, the second rotating rod 2 and/or the third rotating rod 3 will slide into the clamping groove from the clearance hole, and the second rotating rod 2 and/or the third rotating rod 3 will be clamped and fixed by the clamping groove.
  • the first transmission structure 42 includes a first rotating piece 421 and a first connecting piece 422.
  • the first rotating piece 421 is arranged on the first rotating rod 1, and can rotate with the first rotating rod 1, for driving the first sliding piece 41 to move when the first rotating rod 1 rotates; and the first connecting piece 422 is arranged on Between the first rotating piece 421 and the first sliding piece 41, and both ends are hingedly arranged with the first rotating piece 421 and the end of the first sliding piece 41; when the first rotating rod 1 rotates, the first rotating piece 421 is driven Rotate together, and pull the first sliding piece 41 to move toward the second rotating rod 2 through the first connecting piece 422.
  • the first transmission structure 42 adopts this structure, and the rotation of the first rotating rod 1 is converted into the linear movement of the first sliding piece 41 through the arrangement of the first rotating piece 421 and the first connecting piece 422, and the structure is simple and convenient to use.
  • the first rotating piece 421 is sleeved on the outside of the first rotating rod 1, and the first rotating piece 421 is also provided with a polygonal through hole for the first rotating rod 1 to pass through, and the first rotating rod 1 is also provided There is a polygonal clamping portion adapted to the shape of the polygonal via, which is used to clamp and fix the first rotating piece 421, and drive the first rotating piece 421 to rotate at the same time when the first rotating rod 1 rotates to prevent the first rotating piece Relative sliding occurs between the 421 and the first rotating rod 1, and the structure is easy to disassemble and install.
  • the first transmission structure 42 includes a rotating gear arranged on the first rotating rod 1 and coaxially arranged on the first rotating rod 1, and a rotating gear arranged on the side of the first sliding piece 41 and corresponding to the rotating gear.
  • the meshing driving rack, the rotating gear can rotate with the first rotating rod 1.
  • the first sliding piece 41 is driven by the rotation of the rotating gear, and the setting of the rotating gear and the driving rack will The rotation of the first rotating rod 1 is converted into the linear movement of the first sliding piece 41.
  • the second link mechanism 6 has the same structure as the first link mechanism 4.
  • the second link mechanism 6 includes a second sliding piece arranged on the side of the second rotating rod 2 and a second transmission structure for connecting the second rotating rod 2 and the second sliding piece.
  • the structure and working mode of the second sliding piece and the second transmission structure, the clamping hole and the relief hole are the same as those of the first sliding piece 41, the first transmission structure 42 and the first locking structure 43, except that the installation position and size are different. The difference.
  • the third link mechanism 5 includes two third sliding pieces 51 respectively arranged on both sides of the third rotating rod 3. And a third transmission structure 52 for connecting the third rotating rod 3 and the third sliding piece 51.
  • the third link mechanism 5 adopts this structure.
  • the third transmission structure 52 includes a third rotating piece 521 and a third connecting piece 522.
  • the third rotating piece 521 is arranged on the third rotating rod 3 and can rotate with the third rotating rod 3 to drive the third sliding piece 51 to move when the third rotating rod 3 rotates;
  • the number of third connecting pieces 522 is two Are arranged between the third rotating piece 521 and the third sliding piece 51, and both ends are hingedly arranged with the first rotating piece 421 and the end of the first sliding piece 41; when the third rotating rod 3 rotates, it drives The third rotating piece 521 rotates together, and the two third sliding pieces 51 are pulled by the two third connecting pieces 522 to move in a direction approaching the third rotating rod 3.
  • the third transmission structure 52 adopts this structure, and the rotation of the third rotating rod 3 is converted into the linear movement of the third sliding piece 51 through the arrangement of the third rotating piece 521 and the third connecting piece 522, and the structure is simple and convenient to
  • the third rotating piece 521 is sleeved on the outside of the third rotating rod 3, and the third rotating piece 521 is also provided with a polygonal through hole for the third rotating rod 3 to pass through, and the third rotating rod 3 is also provided There is a polygonal clamping part adapted to the shape of the polygonal via, which is used to clamp and fix the third rotating piece 521, and drive the third rotating piece 521 to rotate at the same time when the third rotating rod 3 rotates to prevent the third rotating piece Relative sliding occurs between the 521 and the third rotating rod 3, and the structure is easy to disassemble and install.
  • the third transmission structure 52 includes a rotating gear arranged on the third rotating rod 3 and coaxially arranged on the third rotating rod 3, and a rotating gear arranged on the side surface of the third sliding piece 51 and arranged on the third rotating rod.
  • the rotating gear can rotate with the third rotating rod 3.
  • the third rotating rod 3 rotates, the third sliding piece 51 is driven by the rotation of the rotating gear, and the setting of the rotating gear and the driving rack The rotation of the third rotating rod 3 is converted into the linear movement of the third sliding piece 51.
  • the multi-switch interlocking device further includes a support frame 7 and a guide fixing seat 8.
  • the support frame 7 is located between the first link mechanism 4 and the switch, and is used to install the first link mechanism 4 and the second link mechanism 6; and the number of guide fixing seats 8 are multiple, all of which are set on the support frame 7, Used to support and install the first sliding piece 41 and the second sliding piece.
  • the arrangement of the support frame 7 and the guide fixing seat 8 makes the installation of the first sliding piece 41 and the second sliding piece firmer, and also makes the movement of the first sliding piece 41 and the second sliding piece more stable. The structure is stronger.
  • the guide fixing base 8 includes a fixing base body and a guide sliding groove.
  • the rod 1 is arranged at intervals in the length direction, and is used to accommodate the first sliding piece 41 and the second sliding piece.
  • the installation of the first sliding piece 41 and the second sliding piece is made firmer, and the movement of the first sliding piece 41 and the second sliding piece is made more stable, and the structure of this embodiment is firmer.
  • the multi-switch interlocking device further includes a status indicator 9.
  • a status indicator 9 There are multiple status indicators 9, all of which are sleeved on the outside of the first, second, and third rotating rods 1, 2 and 3, for indicating the first, second, and third rotating rods 1 and 2
  • the state of the turning rod 3; the first turning rod 1 and the second turning rod 2 and the third turning rod 3 are all set through the state indicator 9.
  • the setting of the status indicator 9 can conveniently indicate the status of the switch, and visually remind the operator to make the multi-switch interlocking device safer to use.
  • the first rotating rod 1 and the second rotating rod 2 and Rotating handles are provided at the ends of the third rotating rod 3 to facilitate the rotation of the first rotating rod 1, the second rotating rod 2 and the third rotating rod 3.

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

Abstract

本方案提供了一种多开关互锁装置，属于供电配电设备技术领域，包括用于控制端部开关的打开或闭合的第一转杆、用于控制另一端部开关的打开或闭合的第二转杆、与第一转杆传动连接用于锁紧第二转杆的第一连杆机构以及与第二转杆传动连接用于锁紧第一转杆的第二连杆机构。本方案多开关互锁装置，可实现多个开关互锁的修改和调整，实现一个开关开启时，其余开关被锁定不能打开的目的，防止在某一个开关打开时将其他开关打开的误操作，造成短路事故。结构体积小安装操作简单，并且使用机械互锁的方式在一个开关开启时将其余开关锁定，安全性与稳定性更好。

Description

多开关互锁装置 技术领域
本方案属于供电配电设备技术领域，更具体地说，是涉及一种多开关互锁装置。
 背景技术
在不间断电源的直流供电系统中，通过隔离开关实现充电器、充放电单元和蓄电池之间的连接与断开，实现充电器为电池与负载供电和电池的充放电维护。但是存在操作隔离开关时容易误将两个或者多个隔离开关同时合闸的情况，此时就会发生多个电源短路等恶性事故，为了避免此种情况发生必须在多路电源切换开关上增加互锁结构。在某路开关已经闭合的情况下，其余路开关触不能闭合，避免因为操作失误导致多个隔离开关同时合闸。但是目前现有的互锁结构大多采用电气控制多个隔离开关之间互锁，稳定性与可靠性较差。
 技术问题
本方案的目的在于提供一种多开关互锁装置，旨在解决现有的隔离开关互锁结构大多采用电气控制，稳定性与可靠性较差的问题。
 技术解决方案
为解决上述问题，本方案采用的技术方案是：提供一种多开关互锁装置，包括用于控制端部开关的打开或闭合的第一转杆、用于控制另一端部开关的打开或闭合的第二转杆、与所述第一转杆传动连接用于锁紧所述第二转杆的第一连杆机构以及与所述第二转杆传动连接用于锁紧所述第一转杆的第二连杆机构；所述第一转杆通过转动控制端部开关打开时，所述第一转杆借助所述第一连杆机构将所述第二转杆锁紧固定；所述第二转杆通过转动控制另一端部开关打开时，所述第二转杆借助所述第二连杆机构将所述第一转杆锁紧固定。
作为本申请另一实施例，所述多开关互锁装置还包括设置在所述第一转杆与所述第二转杆之间用于控制中间开关的打开或闭合的第三转杆和与所述第三转杆传动连接用于锁紧所述第一转杆与所述第二转杆的第三连杆机构；所述第三转杆通过转动控制中间开关打开时，借助所述第三连杆机构锁紧固定所述第一转杆与所述第二转杆；所述第一转杆通过转动控制端部开关打开时，借助所述第一连杆机构将所述第二转杆与所述第三转杆锁紧固定；所述第二转杆通过转动控制另一端部开关打开时，所述第二转杆借助所述第二连杆机构将所述第一转杆与所述第三转杆锁紧固定。
作为本申请另一实施例，所述第三转杆与所述第三连杆机构的数量均为多个；其中一个所述第三转杆通过转动控制中间开关打开时，所述第三转杆借助所述第三连杆机构将所述第一转杆与所述第二转杆以及其余所述第三转杆锁紧固定。
作为本申请另一实施例，所述第一连杆机构上部设置有在所述用于锁紧所述第二转杆与第三转杆的卡接槽，所述卡接槽的端部设置有用于容纳所述第二转杆或第三转杆且于所述卡接槽连通的让位孔；所述第二连杆机构上部设置有用于锁紧所述第一转杆与第三转杆的卡接槽，所述卡接槽的端部设置有用于容纳所述第一转杆或第三转杆且于所述卡接槽连通的让位孔；所述第三连杆机构上部设置有在所述用于锁紧所述第一转杆与第二转杆以及其余第三转杆的卡接槽，所述卡接槽的端部设置有用于容纳所述第一转杆或第二转杆或第三转杆且于所述卡接槽连通的让位孔。
作为本申请另一实施例，所述第一连杆机构上的让位孔均位于所述卡接槽靠近所述第一转杆的一端，所述第二连杆机构上的让位孔均位于所述卡接槽靠近所述第二转杆的一端，所述第三连杆机构上的让位孔均位于所述卡接槽靠近所述第三转杆的一端。
作为本申请另一实施例，所述第一连杆机构与所述第二连杆机构以及所述第三连杆机构沿所述第一转杆的长度方向层叠设置；在开关均处于关闭状态时，所述第一转杆位于所述第二连杆机构与所述第三连杆机构上的让位孔内，所述第二转杆位于所述第一连杆机构与所述第三连杆机构上的让位孔内，所述第三转杆位于所述第一连杆机构与所述第三连杆机构以及其他第三连杆机构上的让位孔内。
作为本申请另一实施例，所述第一连杆机构包括设置在所述第一转杆侧面的第一滑动片以及套装设置在所述第一转杆的外部用于连接所述第一转杆与所述第一滑动片的第一传动结构。
作为本申请另一实施例，所述第一传动机构包括设置在所述第一转杆上且可随所述第一转杆转动的第一转动片、设置在所述第一转动片与所述第一滑动片之间且两端部分别与所述第一转动片以及所述第一滑动片的端部铰接设置的第一连接片；所述第一转杆转动时带动所述第一转动片一同转动，并通过所述第一连接片带动所述第一滑动片运动。
作为本申请另一实施例，所述第三连杆机构包括两个分别设置在所述第三转杆两侧的第三滑动片以及用于连接所述第三转杆与所述第三滑动片的第三传动结构；所述第三传动结构包括设置在所述第三转杆上且可随所述第三转杆转动的第三转动片和两个设置在所述第三转动片与所述第三滑动片之间且两端部分别与所述第三转动片以及第三滑动片的端部铰接设置的第三连接片；第三转杆转动时带动所述第三转动片转动，并通过两第三连接片带动两所述第三滑动片运动。
作为本申请另一实施例，所述多开关互锁装置还包括位于所述第一连杆机构与端部开关之间用于安装所述第一连杆机构与所述第二连杆机构的支撑架和设置在所述支撑架上用于支撑安装所述第一连杆机构与所述第二连杆机构的导向固定座。
 有益效果
本方案提供的多开关互锁装置，通过第一转杆以及第二转杆的转动分别控制不同的开关的打开与闭合，并且还设置有与第一转杆传动连接用于锁紧第二转杆的第一连杆机构以及与第二转杆传动连接用于锁紧第一转杆的第二连杆机构；第一转杆通过转动控制端部开关打开时，第一转杆借助第一连杆机构将第二转杆锁紧固定；第二转杆通过转动控制另一端部开关打开时，第二转杆借助第二连杆机构将第一转杆锁紧固定。本方案多开关互锁装置，可实现多个开关互锁的修改和调整，实现一个开关开启时，其余开关被锁定不能打开的目的，防止在某一个开关打开时将其他开关打开的误操作，造成短路事故。结构体积小安装操作简单，并且使用机械互锁的方式在一个开关开启时将其余开关锁定，安全性与稳定性更好。
 附图说明
图1为本方案实施例提供的多开关互锁装置的立体结构示意图；
图2为图1所示的多开关互锁装置的俯视结构示意图；
图3为本方案实施例所采用的第一滑动片以及第三滑动片的结构示意图；
图4为本方案实施例所采用的第一连杆机构的结构示意图；
图5为本方案实施例所采用的第三连杆机构的结构示意图。
图中：1、第一转杆；2、第二转杆；3、第三转杆；4、第一连杆机构；41、第一滑动片；42、第一传动结构；421、第一转动片；422、第一连接片；43、让位孔；44、卡接槽；5、第三连杆机构；51、第三滑动片；52、第三传动结构；521、第三转动片；522、第三连接片；6、第二连杆机构；7、支撑架；8、导向固定座；9、状态指示牌。
本申请的实施方式
为了使本方案所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本方案进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本方案，并不用于限定本方案。
请一并参阅图1及图2，现对本方案提供的多开关互锁装置进行说明。多开关互锁装置，包括用于控制端部开关的打开或闭合的第一转杆1、用于控制另一端部开关的打开或闭合的第二转杆2、与第一转杆1传动连接用于锁紧第二转杆2的第一连杆机构4以及与第二转杆2传动连接用于锁紧第一转杆1的第二连杆机构6；第一转杆1通过转动控制端部开关打开时，第一转杆1借助第一连杆机构4将第二转杆2锁紧固定；第二转杆2通过转动控制另一端部开关打开时，第二转杆2借助第二连杆机构6将第一转杆1锁紧固定。
本实施例提供的多开关互锁装置，与现有技术相比，通过第一转杆1以及第二转杆2的转动分别控制不同的开关的打开与闭合，并且还设置有与第一转杆1传动连接用于锁紧第二转杆2的第一连杆机构4以及与第二转杆2传动连接用于锁紧第一转杆1的第二连杆机构6；第一转杆1通过转动控制端部开关打开时，第一转杆1借助第一连杆机构4将第二转杆2锁紧固定；第二转杆2通过转动控制另一端部开关打开时，第二转杆2借助第二连杆机构6将第一转杆1锁紧固定。本方案多开关互锁装置，可实现多个开关之间的相互锁定，实现一个开关开启时，其余开关被锁定不能打开的目的，防止在某一个开关打开时由于误操作将其他开关打开，造成短路事故。结构体积小安装操作简单，并且使用机械互锁的方式在一个开关开启时将其余开关锁定，可以有效防止电器互锁可能发生的失灵，提高了多个开关互锁的稳定性与可靠性。
作为本方案提供的多开关互锁装置的一种具体实施方式，请一并参阅图1至图5，多开关互锁装置还包括设置在第一转杆1与第二转杆2之间用于控制中间开关的打开或闭合的第三转杆3和与第三转杆3传动连接用于锁紧第一转杆1与第二转杆2的第三连杆机构5；第三转杆3通过转动控制中间开关打开时，借助第三连杆机构5锁紧固定第一转杆1与第二转杆2；第一转杆1通过转动控制端部开关打开时，借助第一连杆机构4将第二转杆2与第三转杆3锁紧固定；第二转杆2通过转动控制另一端部开关打开时，第二转杆2借助第二连杆机构6将第一转杆1与第三转杆3锁紧固定。第三转杆3和第三连杆机构5的设置使多开关互锁装置可以实现三个开关之间的互锁。实现一个开关开启时，其余开关被锁定不能打开的目的，防止在某一个开关打开时由于误操作将其他开关打开，造成短路事故。结构体积小安装操作简单，并且使用机械互锁的方式在一个开关开启时将其余开关锁定，可以有效防止电器互锁可能发生的失灵，提高了多个开关互锁的稳定性与可靠性。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1至图2，第三转杆3与第三连杆机构5的数量均为多个；其中一个第三转杆3通过转动控制中间开关打开时，第三转杆3借助第三连杆机构5将第一转杆1与第二转杆2以及其余第三转杆3锁紧固定。第三转杆3与第三连杆机构5的数量均为多个，使本多开关互锁装置可以实现多个（超过三个）以上的开关进行互锁，在其中一个第三转杆3通过转动控制中部开关打开或闭合时，将其余的第三转杆3与第一转杆1以及第二转杆2均锁定，防止将其他开关打开的误操作。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1至图2，第一连杆机构4上部设置有在用于锁紧第二转杆2与第三转杆3的卡接槽44，卡接槽44的端部设置有用于容纳第二转杆2或第三转杆3且于卡接槽44连通的让位孔43；第二连杆机构上部设置有用于锁紧第一转杆1与第三转杆3的卡接槽44，卡接槽44的端部设置有用于容纳第一转杆1或第三转杆3且于卡接槽44连通的让位孔43；第三连杆机构8上部设置有在用于锁紧第一转杆1与第二转杆2以及其余第三转杆3的卡接槽44，卡接槽44的端部设置有用于容纳第一转杆1或第二转杆2或第三转杆3且于卡接槽44连通的让位孔让43位孔43设置在第一滑动片41上，用于容纳第二转杆2以及多个第三转杆3；和卡接槽44设置在让位孔43的侧面，且与让位孔43相互连通，卡接槽44的长度沿第一滑动片41的运动方向设置；第一转杆1转动时，第一转杆1通过第一传动结构42带动第一滑动片41运动，将第二转杆2与多个第三转杆3卡紧固定在卡接槽44内。第二转杆2与第三转杆3贯穿第一滑动片41设置，并且可转动的位于在让位孔43内，在所有开关处于关闭状态时，第二转杆2以及多个第三转杆3可以在让位孔43内自由转动，不影响其余开关的使用，在某一个开关打开时，通过转动第一转杆1将开关打开，此时第一转杆1通过第一传动结构42拉动第一滑动片41向靠近第一转杆1的方向运动，使用于控制其他处于未开启状态开关的第二转杆2以及多个第三转杆3均从让位孔43中卡接固定到卡接槽44，将用于控制其他处于未开启状态开关的第二转杆2和/或多个第三转杆3均卡紧固定，实现了在一个开关打开时将其余开关锁紧固定的目的，结构简单操作快捷方便稳定性好。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1及图3，第一连杆机构上的让位孔均位于卡接槽靠近第一转杆的一端，第二连杆机构上的让位孔均位于卡接槽靠近第二转杆的一端，第三连杆机构上的让位孔均位于卡接槽靠近第三转杆的一端。卡接槽与让位孔均采用此种布置方式可以方便在第一转杆或第二转杆或第三转杆转动时将其余的转动杆均锁紧固定，使本开关互锁装置的使用更加方便。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1及图3，让位孔43为圆弧孔，卡接槽44为与让位孔43连通的矩形孔，第二转杆2和/或第三转杆3上均设置有与卡接槽44配合的卡接面。卡接面的设置可以在第一滑动片41运动时第二转杆2和/或第三转杆3进入到卡接槽44内部将第二转杆2和/或第三转杆3固定。卡接面的数量为两个，且两卡接面相互平行设置，两卡接面之间的距离与卡接槽44的宽度尺寸相适配，在第一滑动片41或第二滑动片运动时第一转杆1或第二转杆2进入到卡接槽44内部将第一转杆1或第二转杆2固定。让位孔43与卡接槽44分别采用这种形状，使本多开关互锁装置的卡进锁定更加牢固。
可选的，第一转杆1与第二转杆2以及第三转杆3的横截面均为矩形，矩形的宽度尺寸与卡接槽44的宽度尺寸相适配，使第一转杆1或第二转杆2在卡接槽44内固定更加牢固，并且让位孔43的直径尺寸大于矩形对角线的长度，使第一转杆1或第二转杆2在让位孔43内转动更加方便。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1及图4，第一连杆机构4与第二连杆机构6以及第三连杆机构5沿第一转杆1的长度方向层叠设置；在开关均处于关闭状态时，第一转杆1位于第二连杆机构6与第三连杆机构5上的让位孔内，第二转杆2位于第一连杆机构4与第三连杆机构5上的让位孔内，第三转杆3位于第一连杆机构4与第三连杆机构5以及其他第三连杆机构5上的让位孔内。卡接槽44与让位孔43的数量为多个均沿第一连杆机构4或第二连杆机构6或第三连杆机构5的长度方向设置，且第一连杆机构4与第二连杆机构6以及第三连杆机构5采用此种分布方式更加节省第一连杆机构4与第二连杆机构6以及第三连杆机构5沿所占用的体积，也使多开关互锁装置的结构更加紧凑。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1及图4，第一连杆机构4包括设置在第一转杆1侧面的第一滑动片41、用于连接第一转杆1与第一滑动片41的第一传动结构42。第一连杆机构4采用此种结构，在第一转杆1通过转动控制端部开关（即位于开关排两端的开关）打开时，第一转杆1通过第一转动机构带动第一滑动片41运动，并通过设置在第一滑动片41上的卡接槽将第二转杆2与第一转杆1以及多个第三转杆3均卡紧固定。
可选的，第一滑动片41可沿平行第一转杆1与第二转杆2之间连线方向滑动，在第一转杆1控制端部开关处于关闭状态时。第一滑动片41上的卡接槽与第二转杆2以及第三转杆3均处于不接触的自由状态，第二转杆2以及第三转杆3均位于让位孔中。当第一转杆1通过转动控制端部开关处于打开状态时，第一转杆1通过第一传动机构带动第一滑动片41运动，第一滑动片41带动卡接槽与让位孔一同运动，此时第二转杆2和/或第三转杆3会从让位孔滑入到卡接槽中通过卡接槽将第二转杆2和/或第三转杆3卡紧固定。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1及图4，第一传动结构42包括第一转动片421和第一连接片422。第一转动片421设置在第一转杆1上，且可随第一转杆1转动，用于在第一转杆1转动时带动第一滑动片41运动；和第一连接片422设置在第一转动片421与第一滑动片41之间，且两端部分别与第一转动片421以及第一滑动片41的端部铰接设置；第一转杆1转动时带动第一转动片421一同转动，并通过第一连接片422拉动第一滑动片41向靠近第二转杆2的方向运动。第一传动结构42采用此种结构，通过第一转动片421和第一连接片422的设置将第一转杆1得转动转换为第一滑动片41的直线运动，结构简单使用方便。
可选的，第一转动片421套装在第一转杆1的外部，并且第一转动片421上还设置有用于第一转杆1穿过的多边形过孔，第一转杆1上也设置有与多边形过孔形状相适配的多边形卡接部，用于将第一转动片421卡接固定，并且在第一转杆1转动时带动第一转动片421同时转动，防止第一转动片421与第一转杆1之间发生相对的滑动，结构拆卸简单安装方便。
可选的，所述第一传动结构42包括设置在第一转杆1上且于第一转杆1同轴心设置的转动齿轮以及设置在第一滑动片41侧面上的且于转动齿轮相啮合的驱动齿条，转动齿轮可随第一转杆1一同转动，在第一转杆1转动时，通过转动齿轮的转动带动第一滑动片41运动，通过转动齿轮和驱动齿条的设置将第一转杆1得转动转换为第一滑动片41的直线运动。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图3及图5，第二连杆机构6与第一连杆机构4的结构相同。第二连杆机构6包括设置在第二转杆2侧面的第二滑动片、用于连接第二转杆2与第二滑动片的第二传动结构。第二滑动片与第二传动结构以及卡接孔与让位孔的结构与工作方式与第一滑动片41与第一传动结构42以及第一锁紧结构43均相同，只是安装位置与尺寸有所区别。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1及图5，第三连杆机构5包括两个分别设置在第三转杆3两侧的第三滑动片51以及用于连接第三转杆3与第三滑动片51的第三传动结构52。第三连杆机构5采用此种结构，在第三转杆3通过转动控制中间开关（即位于开关排中间的开关）打开时，第三转杆3通过第三转动机构带动两个第三滑动片51运动，并通过设置在第三滑动片51上的卡接孔与让位孔将第二转杆2与第一转杆1以及其余的第三转杆3均卡紧固定。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1及图5，第三传动结构52包括第三转动片521和第三连接片522。第三转动片521设置在第三转杆3上，且可随第三转杆3转动，用于在第三转杆3转动时带动第三滑动片51运动；第三连接片522数量为两个，均设置在第三转动片521与第三滑动片51之间，且两端部分别与第一转动片421以及第一滑动片41的端部铰接设置；第三转杆3转动时带动第三转动片521一同转动，并通过两第三连接片522拉动两第三滑动片51向靠近第三转杆3的方向运动。第三传动结构52采用此种结构，通过第三转动片521和第三连接片522的设置将第三转杆3得转动转换为第三滑动片51的直线运动，结构简单使用方便。
可选的，第三转动片521套装在第三转杆3的外部，并且第三转动片521上还设置有用于第三转杆3穿过的多边形过孔，第三转杆3上也设置有与多边形过孔形状相适配的多边形卡接部，用于将第三转动片521卡接固定，并且在第三转杆3转动时带动第三转动片521同时转动，防止第三转动片521与第三转杆3之间发生相对的滑动，结构拆卸简单安装方便。
可选的，所述第三传动结构52包括设置在第三转杆3上，且于第三转杆3同轴心设置的转动齿轮以及设置在第三滑动片51侧面上的且于转动齿轮相啮合的驱动齿条，转动齿轮可随第三转杆3一同转动，在第三转杆3转动时，通过转动齿轮的转动带动第三滑动片51运动，通过转动齿轮和驱动齿条的设置将第三转杆3得转动转换为第三滑动片51的直线运动。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1至图2，多开关互锁装置还包括支撑架7和导向固定座8。支撑架7位于第一连杆机构4与开关之间，用于安装第一连杆机构4与第二连杆机构6；和导向固定座8数量为多个，均设置在支撑架7上，用于支撑安装第一滑动片41与第二滑动片。支撑架7和导向固定座8的设置使第一滑动片41与第二滑动片的安装更加牢固，同时也使第一滑动片41与第二滑动片在运动时更加平稳，使本实施例的结构更加牢固。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1及图2，导向固定座8包括固定座本体和导向滑槽。固定座本体数量为多个，设置在支撑架7上，且多个固定座本体沿第一滑动片41的长度方向上均匀设置；和导向滑槽设置在固定座本体上，且沿第一转杆1的长度方向间隔设置，用于容纳第一滑动片41与第二滑动片。使第一滑动片41与第二滑动片的安装更加牢固，同时也使第一滑动片41与第二滑动片在运动时更加平稳，使本实施例的结构更加牢固。
作为本方案提供的多开关互锁装置的一种具体实施方式，请参阅图1，多开关互锁装置还包括状态指示牌9。状态指示牌9数量为多个，均套设在第一转杆1与第二转杆2以及第三转杆3的外部，用于指示第一转杆1与第二转杆2以及第三转杆3的状态；第一转杆1与第二转杆2以及第三转杆3均贯穿状态指示牌9设置。状态指示牌9的设置可以方便指示处开关所处的状态，从视觉上提醒操作者，使本多开关互锁装置使用更加安全，可选的，第一转杆1与第二转杆2以及第三转杆3的端头处均设置有转动手柄，方便对第一转杆1与第二转杆2以及第三转杆3进行旋转。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种多开关互锁装置，其特征在于：包括用于控制端部开关的打开或闭合的第一转杆、用于控制另一端部开关的打开或闭合的第二转杆、与所述第一转杆传动连接用于锁紧所述第二转杆的第一连杆机构以及与所述第二转杆传动连接用于锁紧所述第一转杆的第二连杆机构；所述第一转杆通过转动控制端部开关打开时，所述第一转杆借助所述第一连杆机构将所述第二转杆锁紧固定；所述第二转杆通过转动控制另一端部开关打开时，所述第二转杆借助所述第二连杆机构将所述第一转杆锁紧固定。
  2. 如权利要求1所述的多开关互锁装置，其特征在于：所述多开关互锁装置还包括设置在所述第一转杆与所述第二转杆之间用于控制中间开关的打开或闭合的第三转杆和与所述第三转杆传动连接用于锁紧所述第一转杆与所述第二转杆的第三连杆机构；所述第三转杆通过转动控制中间开关打开时，借助所述第三连杆机构锁紧固定所述第一转杆与所述第二转杆；所述第一转杆通过转动控制端部开关打开时，借助所述第一连杆机构将所述第二转杆与所述第三转杆锁紧固定；所述第二转杆通过转动控制另一端部开关打开时，所述第二转杆借助所述第二连杆机构将所述第一转杆与所述第三转杆锁紧固定。
  3. 如权利要求2所述的多开关互锁装置，其特征在于：所述第三转杆与所述第三连杆机构的数量均为多个；其中一个所述第三转杆通过转动控制中间开关打开时，所述第三转杆借助所述第三连杆机构将所述第一转杆与所述第二转杆以及其余所述第三转杆锁紧固定。
  4. 如权利要求3所述的多开关互锁装置，其特征在于：所述第一连杆机构上部设置有在所述用于锁紧所述第二转杆与第三转杆的卡接槽，所述卡接槽的端部设置有用于容纳所述第二转杆或第三转杆且于所述卡接槽连通的让位孔；所述第二连杆机构上部设置有用于锁紧所述第一转杆与第三转杆的卡接槽，所述卡接槽的端部设置有用于容纳所述第一转杆或第三转杆且于所述卡接槽连通的让位孔；所述第三连杆机构上部设置有在所述用于锁紧所述第一转杆与第二转杆以及其余第三转杆的卡接槽，所述卡接槽的端部设置有用于容纳所述第一转杆或第二转杆或第三转杆且于所述卡接槽连通的让位孔。
  5. 如权利要求4所述的多开关互锁装置，其特征在于：所述第一连杆机构上的让位孔均位于所述卡接槽靠近所述第一转杆的一端，所述第二连杆机构上的让位孔均位于所述卡接槽靠近所述第二转杆的一端，所述第三连杆机构上的让位孔均位于所述卡接槽靠近所述第三转杆的一端。
  6. 如权利要求5所述的多开关互锁装置，其特征在于：所述第一连杆机构与所述第二连杆机构以及所述第三连杆机构沿所述第一转杆的长度方向层叠设置；在开关均处于关闭状态时，所述第一转杆位于所述第二连杆机构与所述第三连杆机构上的让位孔内，所述第二转杆位于所述第一连杆机构与所述第三连杆机构上的让位孔内，所述第三转杆位于所述第一连杆机构与所述第三连杆机构以及其他第三连杆机构上的让位孔内。
  7. 如权利要求1至6任一项所述的多开关互锁装置，其特征在于：所述第一连杆机构包括设置在所述第一转杆侧面的第一滑动片以及套装设置在所述第一转杆的外部用于连接所述第一转杆与所述第一滑动片的第一传动结构。
  8. 如权利要求7所述的多开关互锁装置，其特征在于：所述第一传动机构包括设置在所述第一转杆上且可随所述第一转杆转动的第一转动片、设置在所述第一转动片与所述第一滑动片之间且两端部分别与所述第一转动片以及所述第一滑动片的端部铰接设置的第一连接片；所述第一转杆转动时带动所述第一转动片一同转动，并通过所述第一连接片带动所述第一滑动片运动。
  9. 如权利要求2至6任一项所述的多开关互锁装置，其特征在于：所述第三连杆机构包括两个分别设置在所述第三转杆两侧的第三滑动片以及用于连接所述第三转杆与所述第三滑动片的第三传动结构；所述第三传动结构包括设置在所述第三转杆上且可随所述第三转杆转动的第三转动片和两个设置在所述第三转动片与所述第三滑动片之间且两端部分别与所述第三转动片以及所述第三滑动片的端部铰接设置的第三连接片；所述第三转杆转动时带动所述第三转动片转动，并通过两所述第三连接片带动两所述第三滑动片运动。
  10. 如权利要求1至6任一项所述的多开关互锁装置，其特征在于：所述多开关互锁装置还包括位于所述第一连杆机构与端部开关之间用于安装所述第一连杆机构与所述第二连杆机构的支撑架和设置在所述支撑架上用于支撑安装所述第一连杆机构与所述第二连杆机构的导向固定座。
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