WO2018095060A1 - Locking device of isolation breaker - Google Patents

Locking device of isolation breaker Download PDF

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Publication number
WO2018095060A1
WO2018095060A1 PCT/CN2017/093610 CN2017093610W WO2018095060A1 WO 2018095060 A1 WO2018095060 A1 WO 2018095060A1 CN 2017093610 W CN2017093610 W CN 2017093610W WO 2018095060 A1 WO2018095060 A1 WO 2018095060A1
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WO
WIPO (PCT)
Prior art keywords
motor
control
sleeve
substrate
circuit breaker
Prior art date
Application number
PCT/CN2017/093610
Other languages
French (fr)
Chinese (zh)
Inventor
朱鹏翔
郑尧清
徐荣
Original Assignee
江苏省如高高压电器有限公司
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Application filed by 江苏省如高高压电器有限公司 filed Critical 江苏省如高高压电器有限公司
Publication of WO2018095060A1 publication Critical patent/WO2018095060A1/en

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Classifications

    • 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
    • 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
    • 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
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"

Definitions

  • the invention relates to the field of circuit engineering, in particular to an isolation circuit breaker tight locking device.
  • a circuit breaker is a switching device that can close, carry and break current under normal circuit conditions and can close and carry current under the abnormal loop conditions within a specified time.
  • the circuit breaker can be used to distribute electric energy, start the asynchronous motor infrequently, protect the power line and the motor, and automatically cut off the circuit when they are severely overloaded or short-circuited or under-voltage faults.
  • the function is equivalent to the fuse switch. Combined with overheating relays, etc. Moreover, it is generally not necessary to change parts after breaking the fault current. At present, it has been widely used.
  • the technical problem to be solved by the present invention is to provide an isolation circuit breaker tight locking device, which can prevent the occurrence of misoperation or automatic closing of the circuit breaker in the case of closing the circuit breaker of the circuit breaker.
  • an isolation circuit breaker tight locking device which is installed in a circuit breaker control box, and the innovations thereof include: a substrate, a driving motor, a control motor, a driving shaft, Limit bushing, bushing guide and travel switch;
  • the substrate is respectively provided with a through hole for accommodating the driving motor and the control motor, wherein the driving motor and the control motor are vertically mounted on the same side of the substrate, and the output end of the driving motor and the output end of the control motor pass through the substrate.
  • the through hole extends to the other side of the substrate; the output end of the driving motor is provided with a bevel gear a, and the output end of the control motor is provided with a spur gear;
  • the drive shaft is parallel to the substrate, and the drive shaft is connected to the base plate through a bearing seat.
  • the drive shaft is provided with a bevel gear b that cooperates with the bevel gear a of the output end of the drive shaft, and one end of the drive shaft is provided with an external thread;
  • the limiting sleeve is mounted on the base plate through the sleeve guiding seat, and the limiting sleeve is disposed along the axial direction with an internal thread that cooperates with the external thread on the driving shaft; the limiting sleeve is arranged and controlled a spur gear matched with a gear at the output end of the motor; a limit control sleeve is further provided with a stroke control rod parallel to the substrate; the end of the limit sleeve is provided with a circuit breaker closing lever; the circuit breaker closing lever a limiting piece is provided with an end portion of the limiting sleeve;
  • the sleeve guiding seat comprises a base and a guiding plate, wherein the base and the guiding plate are perpendicular to the substrate; the bottom end of the guiding plate is mounted on the base, and the guiding plate is provided with a circular hole for receiving the limiting sleeve;
  • the base is provided with a waist groove for accommodating the travel control rod;
  • the stroke switch has a pair and is disposed under the bottom plate of the guide seat, and the stroke control rod on the limit sleeve is placed between the stroke switches, and the stroke control rod is driven between the stroke switches by the limit shaft sleeve driven by the drive shaft Reciprocating.
  • one end of the driving shaft is provided with a driving shaft regulating plate, and a driving motor controller is disposed on the driving shaft regulating plate, and can be switched to manually adjust the driving shaft by closing the driving motor controller.
  • the stroke control rod is provided with a link mechanism including a straight rod and a right angle rod, one end of the straight rod is fixedly connected to the stroke control rod, and the other end of the straight rod and one end of the right angle rod
  • the pin is hinged on the substrate, the top corner of the right angle bar is hinged to the substrate, and the other end of the right angle bar is provided with an identification plate.
  • control motor control circuit system drives the rack drive on the limit sleeve of the motor drive to control the spur gear movement of the output end of the motor to achieve control.
  • the limiting piece By setting a limiting piece on the operating lever of the circuit breaker, the limiting piece cooperates with the end of the limiting sleeve of the isolating and locking device of the isolating circuit breaker, and the limiting piece on the circuit breaker when the grounding knife is closed It is blocked by the end of the limiting bushing, which prevents the circuit breaker from appearing due to misoperation or automatic closing.
  • a link mechanism is arranged on the stroke control rod, and the working state of the isolation circuit breaker tight locking device can be clearly known through the identification plate provided on the right angle rod of the linkage mechanism.
  • the drive motor controller can be switched to manually adjust the drive shaft by driving the motor, and the limit sleeve can be driven by the drive motor and the limit sleeve can be manually driven.
  • the operation of the isolation circuit breaker tight locking device is ensured to be diverse and stable.
  • FIG. 1 is a perspective view of the isolation circuit breaker tight lock device of the present invention.
  • Figure 2 is a front elevational view of the isolation circuit breaker locking device of the present invention.
  • an isolation circuit breaker tight locking device is installed in a circuit breaker control box, including a substrate 1, a driving motor 2, a control motor 3, a driving shaft 4, a limiting bushing 5, The sleeve guide seat 6 and the stroke switch 7.
  • the substrate 1 is respectively provided with a through hole for accommodating the driving motor 2 and the control motor 3.
  • the driving motor 2 and the control motor 3 are vertically mounted on the same side of the substrate 1, and the output of the driving motor 2 and the output of the control motor 3 are controlled.
  • the end extends through the through hole on the substrate to the other side of the substrate 1; the output end of the drive motor 2 is provided with a bevel gear a21, and the output end of the control motor 3 is provided with a spur gear 31.
  • the driving shaft 4 is parallel to the substrate 1.
  • the driving shaft 4 is connected to the substrate 1 through a bearing seat 41.
  • the driving shaft 4 is provided with a bevel gear b42 matched with the bevel gear a21 of the output end of the driving shaft 4,
  • One end of the drive shaft 4 is provided with an external thread.
  • the limiting sleeve 5 is mounted on the base plate 1 through the sleeve guiding seat 6 , and the limiting sleeve 5 is disposed along the axial direction with an internal thread that cooperates with the external thread on the driving shaft 4;
  • the rack 51 is matched with the spur gear 31 for controlling the output end of the motor 3;
  • the limit bushing 5 is further provided with a stroke control rod 52 parallel to the base plate 1;
  • the end of the limit bushing 5 is provided with a circuit breaker closing a joystick;
  • the circuit breaker closing lever is provided with a limiting piece that matches the end of the limiting bushing 5.
  • the sleeve guide seat 6 includes a base 61 and a guide plate 62.
  • the base 61 and the guide plate 62 are perpendicular to the base plate 1.
  • the bottom end of the guide plate 62 is mounted on the base 61.
  • the guide plate 62 is provided with a receiving limit. a circular hole of the sleeve 5; the base 61 is provided with a waist groove for accommodating the stroke control rod 52.
  • the stroke switch 7 has a pair and is disposed under the guide base 61, the stroke control rod 52 on the limit sleeve 5 is placed between the stroke switches 7, and the stroke control rod 52 is driven by the drive shaft 4 to limit the sleeve 5 The drive moves back and forth between the travel switches 7.
  • One end of the drive shaft 4 is provided with a drive shaft regulating plate 43 on which a drive motor controller 44 is disposed, which can be switched to manually adjust the drive shaft 4 by closing the drive motor controller 44.
  • the stroke control lever 52 is provided with a link mechanism 53.
  • the link mechanism 53 includes a straight rod 531 and a right angle rod 532.
  • One end of the straight rod 531 is fixedly coupled to the stroke control rod 52, and the other end of the straight rod 531 is at right angles.
  • One end of the rod 532 is hinged to the substrate 1 via a pin, the top corner of the right angle rod 532 is hinged to the substrate 1, and the other end of the right angle rod 531 is provided with an identification plate 533.
  • the control motor 3 controls the circuit system, and the rack 51 on the limit bushing 5 driven by the drive motor 2 drives the spur gear 31 of the output end of the control motor 3 to realize control.
  • the control principle of the isolation circuit breaker tight locking device is: when the local knife is closed, the driving motor 2 works, and the bevel gear a21 is rotated and transmitted to the bevel gear b42, and the bevel gear b42 rotates to drive the driving shaft 4 to rotate, and the driving shaft 4 is driven.
  • the driving limit sleeve 5 When the external thread rotates, the driving limit sleeve 5 is displaced in the horizontal direction, so that the end of the limiting sleeve 5 is moved to the limiting piece on the breaker lever and the limiting piece is supported, and the limiting sleeve 5
  • the connected stroke control lever 52 triggers the stroke switch 7 at the movement to the stroke switch 7 to stop the rotation of the drive motor 2; the limit sleeve 5 and the circuit breaker can also be manipulated by manually turning the drive shaft 4 by closing the drive motor controller 44.
  • the limit piece on the rod fits.

Landscapes

  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Breakers (AREA)

Abstract

Provided is a locking device of an isolation breaker. The device is mounted in a control box of the breaker, the device comprising a substrate (1), a drive motor (2), a control motor (3), a drive shaft (4), a limiting shaft sleeve (5), a shaft sleeve guide seat (6) and a travel switch (7), wherein when a grounding switch is switched on, the drive motor (2) operates, driving a bevel gear a (21) to rotate so as to transmit a force to a bevel gear b (42); then the bevel gear b (42) rotates, so as to drive the drive shaft (4) to rotate; an external thread on the drive shaft (4), when rotating, drives the limiting shaft sleeve (5) to displace along a horizontal direction, such that an end portion of the limiting shaft sleeve (5) moves to a position of a limiting sheet on a breaker operating lever and abuts the limiting sheet, and when a travel control lever (52) connected to the limiting shaft sleeve (5) moves to a position of the travel switch (7), the travel switch is triggered, causing the drive motor (2) to stop rotating. The invention can also enable the limiting shaft sleeve (5) to cooperate with the limiting sheet on the breaker operating lever by means of closing a controller (44) of the drive motor and by means of manually rotating the drive shaft (4).

Description

一种隔离断路器紧闭锁装置 Isolation circuit breaker tight locking device 一种隔离断路器紧闭锁装置Isolation circuit breaker tight locking device
技术领域Technical field
本发明涉及电路工程领域，尤其涉及一种隔离断路器紧闭锁装置。 The invention relates to the field of circuit engineering, in particular to an isolation circuit breaker tight locking device.
背景技术Background technique
断路器是指能够关合、承载和开断正常回路条件下的电流并能关合、在规定的时间内承载和开断异常回路条件下的电流的开关装置。A circuit breaker is a switching device that can close, carry and break current under normal circuit conditions and can close and carry current under the abnormal loop conditions within a specified time.
断路器可用来分配电能，不频繁地启动异步电动机，对电源线路及电动机等实行保护，当它们发生严重的过载或者短路及欠压等故障时能自动切断电路，其功能相当于熔断器式开关与过欠热继电器等的组合。而且在分断故障电流后一般不需要变更零部件。目前，已获得了广泛的应用。The circuit breaker can be used to distribute electric energy, start the asynchronous motor infrequently, protect the power line and the motor, and automatically cut off the circuit when they are severely overloaded or short-circuited or under-voltage faults. The function is equivalent to the fuse switch. Combined with overheating relays, etc. Moreover, it is generally not necessary to change parts after breaking the fault current. At present, it has been widely used.
一般的隔离断路器在工作时，地刀合闸时，断路器是不能合闸的；反之，断路器合闸时，地刀也不能合闸，为了防止在地刀合闸时，断路器由于误操作或自动合闸的情况出现，需要在地刀合闸时，使得断路器通过紧闭锁控制的形式，使得断路器无法合闸。When the general isolation circuit breaker is working, when the grounding knife is closed, the circuit breaker cannot be closed; otherwise, when the circuit breaker is closed, the ground knife cannot be closed, in order to prevent the circuit breaker from being closed when the grounding knife is closed In the case of misoperation or automatic closing, it is necessary to make the circuit breaker pass the form of tight lock control when the grounding knife is closed, so that the circuit breaker cannot be closed.
发明内容Summary of the invention
本发明要解决的技术问题是提供一种隔离断路器紧闭锁装置，能够防止在隔离断路器地刀合闸的情况下，由于误操作或断路器自动合闸的情况出现。The technical problem to be solved by the present invention is to provide an isolation circuit breaker tight locking device, which can prevent the occurrence of misoperation or automatic closing of the circuit breaker in the case of closing the circuit breaker of the circuit breaker.
为解决上述技术问题，本发明的技术方案为：一种隔离断路器紧闭锁装置，该装置安装在断路器控制箱内，其创新点在于：包括基板、驱动电机、控制电机、驱动轴、限位轴套、轴套导向座和行程开关；In order to solve the above technical problem, the technical solution of the present invention is: an isolation circuit breaker tight locking device, which is installed in a circuit breaker control box, and the innovations thereof include: a substrate, a driving motor, a control motor, a driving shaft, Limit bushing, bushing guide and travel switch;
所述基板上分别设置有容纳驱动电机与控制电机的通孔，所述驱动电机与控制电机均垂直安装在基板的同一侧边，驱动电机的输出端与控制电机的输出端均穿过基板上的通孔延伸至基板的另一边；所述驱动电机输出端设置有锥齿轮a，控制电机的输出端设置有直齿轮； The substrate is respectively provided with a through hole for accommodating the driving motor and the control motor, wherein the driving motor and the control motor are vertically mounted on the same side of the substrate, and the output end of the driving motor and the output end of the control motor pass through the substrate. The through hole extends to the other side of the substrate; the output end of the driving motor is provided with a bevel gear a, and the output end of the control motor is provided with a spur gear;
所述驱动轴平行于基板，驱动轴通过一轴承座连接在基板上，驱动轴上设置有与驱动轴输出端的锥齿轮a相配合的锥齿轮b，驱动轴的一端设置有外螺纹； The drive shaft is parallel to the substrate, and the drive shaft is connected to the base plate through a bearing seat. The drive shaft is provided with a bevel gear b that cooperates with the bevel gear a of the output end of the drive shaft, and one end of the drive shaft is provided with an external thread;
所述限位轴套通过轴套导向座安装在基板上，所述限位轴套沿着轴线方向设置有与驱动轴上外螺纹配合的内螺纹；所述限位轴套上设置有与控制电机输出端的直齿轮配合的齿条；限位轴套上还设置有平行于基板的行程控制杆；限位轴套的端部设置有断路器合闸操纵杆；该断路器合闸操纵杆上设置有配合限位轴套端部的限位片； The limiting sleeve is mounted on the base plate through the sleeve guiding seat, and the limiting sleeve is disposed along the axial direction with an internal thread that cooperates with the external thread on the driving shaft; the limiting sleeve is arranged and controlled a spur gear matched with a gear at the output end of the motor; a limit control sleeve is further provided with a stroke control rod parallel to the substrate; the end of the limit sleeve is provided with a circuit breaker closing lever; the circuit breaker closing lever a limiting piece is provided with an end portion of the limiting sleeve;
所述轴套导向座包括底座和导向板，所述底座与导向板均垂直于基板；所述导向板的底端安装在底座上，导向板上设置有容纳限位轴套的圆孔；所述底座上设置有容纳行程控制杆穿过的腰型槽； The sleeve guiding seat comprises a base and a guiding plate, wherein the base and the guiding plate are perpendicular to the substrate; the bottom end of the guiding plate is mounted on the base, and the guiding plate is provided with a circular hole for receiving the limiting sleeve; The base is provided with a waist groove for accommodating the travel control rod;
所述行程开关具有一对且设置在导向座底板的下方，限位轴套上的行程控制杆置于行程开关之间，行程控制杆通过驱动轴驱动的限位轴套带动在行程开关之间往复移动。 The stroke switch has a pair and is disposed under the bottom plate of the guide seat, and the stroke control rod on the limit sleeve is placed between the stroke switches, and the stroke control rod is driven between the stroke switches by the limit shaft sleeve driven by the drive shaft Reciprocating.
进一步的，所述驱动轴的一端设置有一驱动轴调控板，该驱动轴调控板上设置有一驱动电机控制器，通过关闭驱动电机控制器可切换至手动调节驱动轴。Further, one end of the driving shaft is provided with a driving shaft regulating plate, and a driving motor controller is disposed on the driving shaft regulating plate, and can be switched to manually adjust the driving shaft by closing the driving motor controller.
进一步的，所述行程控制杆上设置有一连杆机构，该连杆机构包括直杆和直角杆，所述直杆的一端固定连接在行程控制杆上，直杆的另一端与直角杆的一端通过销轴铰接在基板上，直角杆的顶角处与基板铰接，直角杆的另一端设置有标识牌。Further, the stroke control rod is provided with a link mechanism including a straight rod and a right angle rod, one end of the straight rod is fixedly connected to the stroke control rod, and the other end of the straight rod and one end of the right angle rod The pin is hinged on the substrate, the top corner of the right angle bar is hinged to the substrate, and the other end of the right angle bar is provided with an identification plate.
进一步的，所述控制电机控制电路系统，驱动电机驱动的限位轴套上的齿条带动控制电机输出端的直齿轮运动从而实现控制。Further, the control motor control circuit system drives the rack drive on the limit sleeve of the motor drive to control the spur gear movement of the output end of the motor to achieve control.
本发明的优点在于：The advantages of the invention are:
1）通过在断路器操纵杆上设置有限位片，限位片与该隔离断路器紧闭锁装置的限位轴套的端部配合，在地刀合闸时，断路器上的限位片被限位轴套的端部顶住，防止了断路器由于误操或自动合闸的情况出现。1) By setting a limiting piece on the operating lever of the circuit breaker, the limiting piece cooperates with the end of the limiting sleeve of the isolating and locking device of the isolating circuit breaker, and the limiting piece on the circuit breaker when the grounding knife is closed It is blocked by the end of the limiting bushing, which prevents the circuit breaker from appearing due to misoperation or automatic closing.
2）在行程控制杆上设置有连杆机构，通过该连杆机构直角杆上设置的标识牌能够清楚的知道该隔离断路器紧闭锁装置的工作状态。2) A link mechanism is arranged on the stroke control rod, and the working state of the isolation circuit breaker tight locking device can be clearly known through the identification plate provided on the right angle rod of the linkage mechanism.
3）通过在该隔离断路器紧闭锁装置的限位轴套上设置有齿条，该齿条通过直齿轮与控制电机相连，使得整个隔离断路器紧闭锁装置与电路控制相连，既能满足在地刀合闸时对断路器的控制，又能使的该隔离断路器紧闭锁装置能够控制电路。3) by providing a rack on the limiting bushing of the isolating and locking device of the isolating circuit breaker, the rack is connected to the control motor through the spur gear, so that the entire locking circuit breaker is connected to the circuit control, which can The control of the circuit breaker during the closing of the ground knife is satisfied, and the isolation circuit breaker tight locking device can control the circuit.
4）通过在驱动轴调控板上设置有一驱动电机控制器，通过关闭驱动电机控制器可切换至手动调节驱动轴，既能通过驱动电机驱动限位轴套与又能通过手动驱动限位轴套，确保了该隔离断路器紧闭锁装置的操作多样与稳定。4) By setting a drive motor controller on the drive shaft control board, the drive motor controller can be switched to manually adjust the drive shaft by driving the motor, and the limit sleeve can be driven by the drive motor and the limit sleeve can be manually driven. The operation of the isolation circuit breaker tight locking device is ensured to be diverse and stable.
附图说明DRAWINGS
下面结合附图和具体实施方式对本发明作进一步详细的说明。The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
图1为本发明隔离断路器紧闭锁装置的立体图。1 is a perspective view of the isolation circuit breaker tight lock device of the present invention.
图2为本发明隔离断路器紧闭锁装置的主视图。Figure 2 is a front elevational view of the isolation circuit breaker locking device of the present invention.
具体实施方式detailed description
下面的实施例可以使本专业的技术人员更全面地理解本发明，但并不因此将本发明限制在所述的实施例范围之中。The following examples are intended to provide a fuller understanding of the invention, and are not intended to limit the invention.
如图1图2所示的一种隔离断路器紧闭锁装置，该装置安装在断路器控制箱内，包括基板1、驱动电机2、控制电机3、驱动轴4、限位轴套5、轴套导向座6和行程开关7。As shown in FIG. 1 and FIG. 2, an isolation circuit breaker tight locking device is installed in a circuit breaker control box, including a substrate 1, a driving motor 2, a control motor 3, a driving shaft 4, a limiting bushing 5, The sleeve guide seat 6 and the stroke switch 7.
基板1上分别设置有容纳驱动电机2与控制电机3的通孔，所述驱动电机2与控制电机3均垂直安装在基板1的同一侧边，驱动电机2的输出端与控制电机3的输出端均穿过基板上的通孔延伸至基板1的另一边；所述驱动电机2输出端设置有锥齿轮a21，控制电机3的输出端设置有直齿轮31。 The substrate 1 is respectively provided with a through hole for accommodating the driving motor 2 and the control motor 3. The driving motor 2 and the control motor 3 are vertically mounted on the same side of the substrate 1, and the output of the driving motor 2 and the output of the control motor 3 are controlled. The end extends through the through hole on the substrate to the other side of the substrate 1; the output end of the drive motor 2 is provided with a bevel gear a21, and the output end of the control motor 3 is provided with a spur gear 31.
驱动轴4平行于基板1，驱动轴4通过一轴承座41连接在基板1上，驱动轴4上设置有与驱动轴4输出端的锥齿轮a21相配合的锥齿轮b42， 驱动轴4的一端设置有外螺纹。 The driving shaft 4 is parallel to the substrate 1. The driving shaft 4 is connected to the substrate 1 through a bearing seat 41. The driving shaft 4 is provided with a bevel gear b42 matched with the bevel gear a21 of the output end of the driving shaft 4, One end of the drive shaft 4 is provided with an external thread.
限位轴套5通过轴套导向座6安装在基板1上，所述限位轴套5沿着轴线方向设置有与驱动轴4上外螺纹配合的内螺纹；所述限位轴套5上设置有与控制电机3输出端的直齿轮31配合的齿条51；限位轴套5上还设置有平行于基板1的行程控制杆52；限位轴套5的端部设置有断路器合闸操纵杆；该断路器合闸操纵杆上设置有配合限位轴套5端部的限位片。 The limiting sleeve 5 is mounted on the base plate 1 through the sleeve guiding seat 6 , and the limiting sleeve 5 is disposed along the axial direction with an internal thread that cooperates with the external thread on the driving shaft 4; The rack 51 is matched with the spur gear 31 for controlling the output end of the motor 3; the limit bushing 5 is further provided with a stroke control rod 52 parallel to the base plate 1; the end of the limit bushing 5 is provided with a circuit breaker closing a joystick; the circuit breaker closing lever is provided with a limiting piece that matches the end of the limiting bushing 5.
轴套导向座6包括底座61和导向板62，所述底座61与导向板62均垂直于基板1；所述导向板62的底端安装在底座61上，导向板62上设置有容纳限位轴套5的圆孔；所述底座61上设置有容纳行程控制杆52穿过的腰型槽。 The sleeve guide seat 6 includes a base 61 and a guide plate 62. The base 61 and the guide plate 62 are perpendicular to the base plate 1. The bottom end of the guide plate 62 is mounted on the base 61. The guide plate 62 is provided with a receiving limit. a circular hole of the sleeve 5; the base 61 is provided with a waist groove for accommodating the stroke control rod 52.
行程开关7具有一对且设置在导向座底板61的下方，限位轴套5上的行程控制杆52置于行程开关7之间，行程控制杆52通过驱动轴4驱动的限位轴套5带动在行程开关7之间往复移动。 The stroke switch 7 has a pair and is disposed under the guide base 61, the stroke control rod 52 on the limit sleeve 5 is placed between the stroke switches 7, and the stroke control rod 52 is driven by the drive shaft 4 to limit the sleeve 5 The drive moves back and forth between the travel switches 7.
驱动轴4的一端设置有一驱动轴调控板43，该驱动轴调控板43上设置有一驱动电机控制器44，通过关闭驱动电机控制器44可切换至手动调节驱动轴4。One end of the drive shaft 4 is provided with a drive shaft regulating plate 43 on which a drive motor controller 44 is disposed, which can be switched to manually adjust the drive shaft 4 by closing the drive motor controller 44.
行程控制杆52上设置有一连杆机构53，该连杆机构53包括直杆531和直角杆532，所述直杆531的一端固定连接在行程控制杆上52，直杆531的另一端与直角杆532的一端通过销轴铰接在基板1上，直角杆532的顶角处与基板1铰接，直角杆531的另一端设置有标识牌533。The stroke control lever 52 is provided with a link mechanism 53. The link mechanism 53 includes a straight rod 531 and a right angle rod 532. One end of the straight rod 531 is fixedly coupled to the stroke control rod 52, and the other end of the straight rod 531 is at right angles. One end of the rod 532 is hinged to the substrate 1 via a pin, the top corner of the right angle rod 532 is hinged to the substrate 1, and the other end of the right angle rod 531 is provided with an identification plate 533.
控制电机3控制电路系统，驱动电机2驱动的限位轴套5上的齿条51带动控制电机3输出端的直齿轮31运动从而实现控制。The control motor 3 controls the circuit system, and the rack 51 on the limit bushing 5 driven by the drive motor 2 drives the spur gear 31 of the output end of the control motor 3 to realize control.
该隔离断路器紧闭锁装置的控制原理是：当地刀合闸时，驱动电机2工作，带动锥齿轮a21旋转传动给锥齿轮b42，锥齿轮b42旋转带动驱动轴4旋转，驱动轴4上的外螺纹旋转时驱动限位轴套5沿着水平方向位移，使得限位轴套5的端部移动到断路器操纵杆上的限位片处并顶住限位片，与限位轴套5相连的行程控制杆52在移动到行程开关7处触发行程开关7使得驱动电机2停止转动；也可通过关闭驱动电机控制器44通过手动转动驱动轴4从而使限位轴套5与断路器操纵杆上的限位片配合。The control principle of the isolation circuit breaker tight locking device is: when the local knife is closed, the driving motor 2 works, and the bevel gear a21 is rotated and transmitted to the bevel gear b42, and the bevel gear b42 rotates to drive the driving shaft 4 to rotate, and the driving shaft 4 is driven. When the external thread rotates, the driving limit sleeve 5 is displaced in the horizontal direction, so that the end of the limiting sleeve 5 is moved to the limiting piece on the breaker lever and the limiting piece is supported, and the limiting sleeve 5 The connected stroke control lever 52 triggers the stroke switch 7 at the movement to the stroke switch 7 to stop the rotation of the drive motor 2; the limit sleeve 5 and the circuit breaker can also be manipulated by manually turning the drive shaft 4 by closing the drive motor controller 44. The limit piece on the rod fits.
本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。 It should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and that the present invention is only described in the foregoing description and the description of the present invention, without departing from the spirit and scope of the invention. Various changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and their equivalents.

Claims (4)

  1. 一种隔离断路器紧闭锁装置，该装置安装在断路器控制箱内，其特征在于：包括基板、驱动电机、控制电机、驱动轴、限位轴套、轴套导向座和行程开关；The utility model relates to an isolation circuit breaker tight locking device, which is installed in a circuit breaker control box, and is characterized in that: a substrate, a driving motor, a control motor, a driving shaft, a limiting bushing, a sleeve guiding seat and a stroke switch;
    所述基板上分别设置有容纳驱动电机与控制电机的通孔，所述驱动电机与控制电机均垂直安装在基板的同一侧边，驱动电机的输出端与控制电机的输出端均穿过基板上的通孔延伸至基板的另一边；所述驱动电机输出端设置有锥齿轮a，控制电机的输出端设置有直齿轮； The substrate is respectively provided with a through hole for accommodating the driving motor and the control motor, wherein the driving motor and the control motor are vertically mounted on the same side of the substrate, and the output end of the driving motor and the output end of the control motor pass through the substrate. The through hole extends to the other side of the substrate; the output end of the driving motor is provided with a bevel gear a, and the output end of the control motor is provided with a spur gear;
    所述驱动轴平行于基板，驱动轴通过一轴承座连接在基板上，驱动轴上设置有与驱动轴输出端的锥齿轮a相配合的锥齿轮b， 驱动轴的一端设置有外螺纹； The driving shaft is parallel to the substrate, and the driving shaft is connected to the substrate through a bearing seat. The driving shaft is provided with a bevel gear b that cooperates with the bevel gear a of the output end of the driving shaft. One end of the drive shaft is provided with an external thread;
    所述限位轴套通过轴套导向座安装在基板上，所述限位轴套沿着轴线方向设置有与驱动轴上外螺纹配合的内螺纹；所述限位轴套上设置有与控制电机输出端的直齿轮配合的齿条；限位轴套上还设置有平行于基板的行程控制杆；限位轴套的端部设置有断路器操纵杆；该断路器操纵杆上设置有配合限位轴套端部的限位片； The limiting sleeve is mounted on the base plate through the sleeve guiding seat, and the limiting sleeve is disposed along the axial direction with an internal thread that cooperates with the external thread on the driving shaft; the limiting sleeve is arranged and controlled a spur gear matched with a gear at the output end of the motor; a limit control sleeve is further provided with a stroke control rod parallel to the substrate; the end of the limit sleeve is provided with a circuit breaker lever; and the circuit breaker lever is provided with a fitting limit a limiting piece at the end of the sleeve;
    所述轴套导向座包括底座和导向板，所述底座与导向板均垂直于基板；所述导向板的底端安装在底座上，导向板上设置有容纳限位轴套的圆孔；所述底座上设置有容纳行程控制杆穿过的腰型槽； The sleeve guiding seat comprises a base and a guiding plate, wherein the base and the guiding plate are perpendicular to the substrate; the bottom end of the guiding plate is mounted on the base, and the guiding plate is provided with a circular hole for receiving the limiting sleeve; The base is provided with a waist groove for accommodating the travel control rod;
    所述行程开关具有一对且设置在导向座底板的下方，限位轴套上的行程控制杆置于行程开关之间，行程控制杆通过驱动轴驱动的限位轴套带动在行程开关之间往复移动。 The stroke switch has a pair and is disposed under the bottom plate of the guide seat, and the stroke control rod on the limit sleeve is placed between the stroke switches, and the stroke control rod is driven between the stroke switches by the limit shaft sleeve driven by the drive shaft Reciprocating.
  2. 根据权利要求1所述的一种隔离断路器紧闭锁装置，其特征在于：所述驱动轴的一端设置有一驱动轴调控板，该驱动轴调控板上设置有一驱动电机控制器，通过关闭驱动电机控制器可切换至手动调节驱动轴。The invention relates to an isolation circuit breaker tight lock device according to claim 1, wherein one end of the drive shaft is provided with a drive shaft control plate, and a drive motor controller is disposed on the drive shaft control plate, and the drive is closed. The motor controller can be switched to manually adjust the drive shaft.
  3. 根据权利要求1所述的一种隔离断路器紧闭锁装置，其特征在于：所述行程控制杆上设置有一连杆机构，该连杆机构包括直杆和直角杆，所述直杆的一端固定连接在行程控制杆上，直杆的另一端与直角杆的一端通过销轴铰接在基板上，直角杆的顶角处与基板铰接，直角杆的另一端设置有标识牌。The invention relates to an isolation circuit breaker tight lock device according to claim 1, wherein the stroke control rod is provided with a link mechanism, and the link mechanism comprises a straight rod and a right angle rod, and one end of the straight rod The other end of the straight rod and the right angle rod are hinged on the substrate through the pin shaft, the top corner of the right angle rod is hinged to the substrate, and the other end of the right angle rod is provided with an identification plate.
  4. 根据权利要求1所述的一种隔离断路器紧闭锁装置，其特征在于：所述控制电机控制电路系统，驱动电机驱动的限位轴套上的齿条带动控制电机输出端的直齿轮运动从而实现控制。An isolation circuit breaker tight lock device according to claim 1, wherein said control motor control circuit system drives a rack driven on a limit sleeve of the motor drive to drive a spur gear movement at the output end of the motor Implement control.
PCT/CN2017/093610 2016-11-25 2017-07-20 Locking device of isolation breaker WO2018095060A1 (en)

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