WO2016119484A1 - 带有保持组件的电梯同步门刀装置 - Google Patents

带有保持组件的电梯同步门刀装置 Download PDF

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Publication number
WO2016119484A1
WO2016119484A1 PCT/CN2015/091558 CN2015091558W WO2016119484A1 WO 2016119484 A1 WO2016119484 A1 WO 2016119484A1 CN 2015091558 W CN2015091558 W CN 2015091558W WO 2016119484 A1 WO2016119484 A1 WO 2016119484A1
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Prior art keywords
door
elevator
swing arm
movable
door knife
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PCT/CN2015/091558
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English (en)
French (fr)
Inventor
孔祥军
曹建忠
金桂勇
范伟
史传欣
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南通通洋机电制造有限公司
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Publication of WO2016119484A1 publication Critical patent/WO2016119484A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors

Definitions

  • the present invention relates to the field of elevator technology, and more particularly to an elevator synchronized door knife device with a retaining assembly.
  • the elevator door machine system has passed the development stage of mechanical door machine and frequency conversion door machine, and has developed into permanent magnet synchronous door machine system.
  • the door cutter device in the door machine system of the elevator is above the car door of the elevator, and is used for driving the hall door, thereby realizing the synchronous opening and closing of the hall door and the car door.
  • the elevator door cutter mechanism is widely used in elevators, and the existing door cutter device has various structures.
  • the hall door and the car door cannot be opened and closed at the same time, especially in the operation of the elevator, due to the failure or unsafe use of the elevator device itself, many accidents are easily caused;
  • the occupants are trapped in the car, and the user suddenly knocks at the door, while the elevator car is not at the landing, which often causes serious safety accidents.
  • the invention provides an elevator synchronous door knife device with a holding assembly, comprising a door knife bottom plate, a traction device, and a four-bar linkage composed of an active swing arm, a driven swing arm, a first door knife and a second door knife
  • the mechanism one end of the active swing arm is a limit end, the active swing arm is connected with the door knife bottom plate through the first central axis, the driven swing arm is connected with the door knife bottom plate through the second central axis, and further comprises a holding component and a holding component
  • the utility model comprises a first movable rod, a second movable rod connected to the first movable rod shaft, a connecting shaft connecting the first movable rod and the second movable rod, the connecting shaft has an overhanging end, and the overhanging end is provided with guiding means
  • the retaining assembly also includes a guide plate that mates with the guiding device.
  • the elevator synchronous door knife device enables the first door knife and the second door knife to clamp the door ball by the holding component to drive the hall door to synchronously follow the car door opening and closing. Prevent the swaying phenomenon during the opening and closing process of the elevator hall door and the car door; when the elevator operation fails and stops at the non-stacking station, by keeping the locking state of the car door and the hall door, the occupant is prevented from slamming or the rescuer is at the non-stacking station.
  • the door rescue causes a safety accident;
  • the holding component makes the doorknob device with the door area slamming, the non-door area anti-smashing door function simplified, and the wear in the mechanical movement in the door knife device is reduced.
  • FIG. 1 is a front elevational view of an elevator synchronized doorknife device with a retaining assembly in accordance with an embodiment of the present invention.
  • FIG. 2 is a rear elevational view of an elevator synchronized doorknife device with a retaining assembly in accordance with an embodiment of the present invention.
  • FIG 3 is a rear elevational view of a four-bar linkage mechanism according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an active swing arm and a driven swing arm according to an embodiment of the present invention.
  • FIG. 5 is a front view of a retaining assembly according to an embodiment of the present invention.
  • FIG. 6 is a top plan view of a retaining assembly according to an embodiment of the present invention.
  • the present invention provides an elevator synchronous door knife device with a holding assembly, comprising a door knife bottom plate 1, a traction device 2, and an active swing arm 3, a driven swing arm 4, and a A four-bar linkage mechanism consisting of a knife 5 and a second door cutter 6 , one end of the active swing arm 3 is a limit end 30, and the active swing arm 3 is connected to the door knife bottom plate 1 through the first central shaft 31, and the driven pendulum
  • the arm 4 is connected to the door sill 1 through the second central shaft 40, and further includes a holding assembly 7 including a first movable lever 70, a second movable lever 71 axially coupled to the first movable lever 70, and a first connection
  • the connecting shaft 72 of the movable rod 70 and the second movable rod 71 has an overhanging end.
  • the overhanging end is provided with a guiding device 73.
  • the holding assembly 7 further includes a guiding plate 74 that cooperates with the guiding device 73.
  • the inclined surface 741 for moving the guiding device 73 is disposed on one side of the guiding plate 74.
  • the inclined surface 741 is an inclined plane or an inclined curved surface.
  • the inclined surface 741 is preferably an inclined plane.
  • FIG. 3 is a rear view of the four-bar linkage mechanism provided by the embodiment of the present invention.
  • the elevator synchronous door cutter device provided by the embodiment of the present invention includes an active swing arm 3, a driven swing arm 4, and a first door knife 5.
  • the four-bar linkage mechanism composed of the second door cutter 6, the active swing arm 3 and the driven swing arm 4 are all connected to the first door cutter 5 and the second door cutter 6 by the active operation of the active swing arm 3, and drive the first The operation of the door knife 5 and the second door knife 6 further drives the driven swing arm 4 to operate.
  • the guiding device 73 is provided as a roller, and the roller 73 is a nylon roller.
  • Nylon is common and common, low cost and good performance, especially high mechanical strength, good toughness, fatigue Labor, wear and corrosion resistance.
  • the roller 73 moves in the direction of the inclined plane 741 of the guide plate 74.
  • the first movable lever 70 and the second movable lever 71 maintain a linear motion, and the roller 73 disposed on the overhanging end of the connecting shaft 72 is maintained to perform a horizontal linear motion on the inclined plane 741 of the guide plate 74.
  • the movement direction of the roller 73 is changed, so that the first movable lever 70 and the second movable lever 71 rotate about the connecting shaft 72 with a certain angle therebetween, so that the first door knife 5 and the second door knife 6 are at On hold.
  • the hall door of the elevator is closed synchronously with the car door to prevent the hall door and the car door from shaking.
  • the traction device 2 includes a movable plate 20 movably coupled to the door knife base plate 1, a first swing arm limit block 21 fixedly coupled to the movable plate 20, and a second pendulum fixedly coupled to the movable plate
  • the arm limiting block 22, the movable plate 20 includes a trailing end 23.
  • the movable plate 20 and the door knife bottom plate 1 are rotatably connected through the first central shaft 31, and the traction end 23 of the movable plate 20 drives the operation of the door knife device, and the first swing arm limit block 21 and the second swing arm limit block 22 are fixedly disposed.
  • the movable plate 20 and the active swing arm 3 are connected to the first center shaft 31 with the door knife bottom plate 1.
  • the movable plate 20 and the active swing arm 3 are movably connected to the door knife base plate 1 through the first central shaft 31, thereby reducing the shaft connection structure and simplifying the door cutter device.
  • first swing arm limiting block 21 and the second swing arm limiting block 22 are both located on one side of the movable panel 20 and are both rollers, and the first swing arm limiting block 21 and the second swing arm limit are respectively Blocks 22 are located on either side of the limit end 30, respectively.
  • Two rollers are disposed on both sides of the limiting end 30 of the active swing arm 3 to limit the movement stroke of the active swing arm 3, and the first swing arm limiting block 21 and the second swing arm limiting block 22 are all set as rollers. The wear of the parts is avoided by rolling friction.
  • first movable lever 70 is movably coupled to the door sill base 1, and the end of the second movable lever 71 away from the connecting shaft 72 is movably coupled to the movable panel 20.
  • the trailing end 23 of the movable panel 20 applies traction to the doorknife device, causing the second movable lever 71 to move to cause the operation of the holding assembly 7.
  • the four-bar linkage mechanism is driven by the pulling end 23 of the movable panel 20 to drive the first door knife 5 and the second door knife 6 to operate.
  • first movable lever 70 and the second movable lever 71 are axially connected by the connecting shaft 72, and the guiding device 73 provided on the overhanging end of the connecting shaft 72 cooperates with the guiding plate 74, the first movable lever 72 and the second movable
  • the rod 73 is a connecting rod and the movable plate 74 is a crank, which constitutes a crank connecting rod mechanism.
  • the guiding device 74 is preferably a roller, and the roller 73 disposed at the overhanging end of the connecting shaft 72 cooperates with the guiding plate 74 to protect the door knife closed state. hold.
  • the synchronous door knife device further includes a tension spring 8, one end of which is connected to the movable plate 20, and the other end of the tension spring 8 is connected to the door knife bottom plate 1.
  • a tension spring 8 one end of which is connected to the movable plate 20, and the other end of the tension spring 8 is connected to the door knife bottom plate 1.
  • the doorknife device of the elevator is located on one side of the elevator door frame and the doorknife device further includes a locking mechanism.
  • the hall door and the car door of the elevator door machine are opened, the first door knife 5 and the second door knife 6 are tightly sandwiched between the door balls.
  • the toothed belt is driven by the motor, and the toothed belt drives the door cutter device to move from one side of the elevator door frame to the center of the car door, and the driving force is transmitted to the traction device 2 through the gear pressing block on the toothed belt.
  • the elevator car door performs the door opening action.
  • the elevator hall door is opened together with the car door, the motor in the elevator door machine drives the toothed belt to operate, and the tooth belt drives the door knife device from the middle.
  • the roller 73 fixedly coupled to the overhanging end of the connecting shaft 72 is separated from the guide plate 74, so that the first movable lever 70 and the second movable lever 71 connected to the connecting shaft 72 are in the tension spring.
  • the elevator may stop at the landing or non-stack. If the elevator stops at the non-stacking station, the holding component of the elevator synchronous doorknob device is in the holding state, and the car door and the hall door of the elevator are ensured to be closed. Therefore, the car is first stopped in the unlocking area of the landing station to save people during the rescue.
  • the hall door can be opened directly by using the triangle lock key. The rescuer moves the car through the car to reach the door area to save the door.
  • the hall door and the car door of the elevator are simultaneously opened and closed by the holding component, thereby preventing the swaying phenomenon during the opening and closing process of the elevator hall door and the car door; when the elevator operation fails and stops at the non-stacking station, the car door is maintained by The locked state of the hall door prevents the occupant from slamming the door or rescues the person in the non-stacking station to cause a safety accident; the holding component makes the door knives with the door area slamming and the non-door area tamper-proof function simplified and reduced Wear in mechanical motion in the doorknife device.

Abstract

公开了一种带有保持组件的电梯同步门刀装置，包括门刀底板（1）、牵引装置（2），由主动摆臂（3）、从动摆臂（4）、第一门刀（5）、第二门刀（6）组成的四连杆机构，还包括保持组件（7），保持组件（7）包括第一活动杆（70）、第二活动杆（71）、连接第一活动杆（70）与第二活动杆（71）的连接轴（72），连接轴（72）具有悬伸端，悬伸端设置有引导装置（73），保持组件（7）还包括与引导装置（73）相配合的导向板（74）。该电梯同步门刀装置通过保持组件，使得电梯轿门与厅门同时开闭，防止电梯门的晃动，使得故障时电梯在非门区时轿门紧闭，在门区时轿门带动厅门可打开，使得具有防扒门功能的门刀装置简化。

Description

带有保持组件的电梯同步门刀装置 技术领域
本发明涉及电梯技术领域，尤其涉及带有保持组件的电梯同步门刀装置。
背景技术
电梯门机系统经过了机械门机、变频门机发展阶段，已经发展到永磁同步门机系统。电梯的门机系统中的门刀装置在电梯的轿门上面，用于带动厅门，从而实现厅门与轿门的同步开闭的装置。
电梯门刀机构被广泛应用于电梯当中，现有的门刀装置结构多样。但是在现有技术中仍然会出现厅门与轿门不能同时开闭的情况，尤其是在电梯运行使用过程中，由于电梯设备本身的故障或者不安全使用容易造成很多的事故；若电梯在非门区，乘员被困在轿厢中，使用者突然扒门，而此时电梯轿厢却不在层站，往往会造成严重的安全事故。
发明内容
在下文中给出关于本发明的简要概述，以便提供关于本发明的某些方面的基本理解。应当理解，这个概述并不是关于本发明的穷举性概述。它并不是意图确定本发明的关键或重要部分，也不是意图限定本发明的范围。其目的仅仅是以简化的形式给出某些概念，以此作为稍后论述的更详细描述的前序。
本发明的目的是提供一种带有保持组件的电梯同步门刀装置。
本发明提供了一种带有保持组件的电梯同步门刀装置，包括门刀底板、牵引装置，以及由主动摆臂、从动摆臂、第一门刀、第二门刀组成的四连杆机构，主动摆臂的一端为限位端，主动摆臂通过第一中心轴与门刀底板相连接，从动摆臂通过第二中心轴与门刀底板相连接，还包括保持组件，保持组件包括第一活动杆、与所述第一活动杆轴连接的第二活动杆、连接第一活动杆与第二活动杆的连接轴，连接轴具有悬伸端，悬伸端设置有引导装置，保持组件还包括与引导装置相配合的导向板。
与现有技术相比，本发明的有益效果是：本发明中电梯同步门刀装置通过保持组件使得第一门刀、第二门刀夹放门球来带动厅门同步跟随轿门开闭，防止电梯厅门与轿门开闭过程中的晃动现象；电梯运行出现故障停在非层站时，通过保持轿门与厅门的锁紧状态，防止乘员扒门或者搭救人员在非层站扒门施救造成安全事故；保持组件使得具有门区可扒门，非门区防扒门功能的门刀装置简化，减少门刀装置中机械运动中的磨损。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的带有保持组件的电梯同步门刀装置的主视图。
图2为本发明实施例提供的带有保持组件的电梯同步门刀装置的后视图。
图3为本发明实施例提供的四连杆机构的后视图。
图4为本发明实施例提供的主动摆臂、从动摆臂的结构示意图。
图5为本发明实施例提供的保持组件的主视图。
图6为本发明实施例提供的保持组件的俯视图。
附图标记：
1-门刀底板           2-牵引装置           20-活动板
21-第一摆臂限位块    22-第二摆臂限位块    23-牵引端
3-主动摆臂           30-限位端            31-第一中心轴
4-从动摆臂           40-第二中心轴        5-第一门刀
6-第二门刀           7-保持组件           70-第一活动杆
71-第二活动杆        72-连接轴        73-引导装置，滚轮
74-导向板         741-倾斜面，倾斜平面    8-拉簧
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。在本发明的一个附图或一种实施方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出的元素和特征相结合。应当注意，为了清楚的目的，附图和说明中省略了与本发明无关的、本领域普通技术人员已知的部件和处理的表示和描述。基于本发明中的实施例，本领域普通技术人员在没有付出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1、图2所示，本发明提供了一种带有保持组件的电梯同步门刀装置，包括门刀底板1、牵引装置2，以及由主动摆臂3、从动摆臂4、第一门刀5、第二门刀6组成的四连杆机构，主动摆臂3的一端为限位端30，主动摆臂3通过第一中心轴31与门刀底板1相连接，从动摆臂4通过第二中心轴40与门刀底板1相连接，还包括保持组件7，保持组件7包括第一活动杆70、与第一活动杆70轴连接的第二活动杆71、连接第一活动杆70与第二活动杆71的连接轴72，连接轴72具有悬伸端，悬伸端设置有引导装置73，保持组件7还包括与引导装置73相配合的导向板74。
本发明实施例中导向板74一侧设置有供引导装置73运动的倾斜面741，倾斜面741为倾斜平面或者倾斜弧面，本实施例中倾斜面741优选为倾斜平面。
如图3所示的本发明实施例提供的四连杆机构的后视图，本发明实施例提供的电梯同步门刀装置包括由主动摆臂3、从动摆臂4、第一门刀5、第二门刀6组成的四连杆机构，主动摆臂3、从动摆臂4均轴连接第一门刀5、第二门刀6上，通过主动摆臂3的主动运转，带动第一门刀5、第二门刀6的运转，进而带动从动摆臂4工作。
进一步地，引导装置73设置为滚轮，滚轮73为尼龙滚轮。尼龙材质普通且常见，低成本并且性能好，尤其是机械强度高、韧性好，耐疲 劳、耐磨、耐腐蚀。滚轮73配合导向板74的倾斜平面741的方向移动。在电梯门关闭的过程中，第一活动杆70、第二活动杆71保持一条直线运动，保持连接轴72的悬伸端上设置的滚轮73做水平直线运动，在导向板74的倾斜平面741的作用下，滚轮73运动方向改变，使得第一活动杆70、第二活动杆71绕连接轴72转动，两者之间呈一定的角度，使得第一门刀5、第二门刀6处于保持状态。在第一活动杆70、第二活动杆71由水平直线运动变为绕连接轴72转动的过程中，电梯的厅门与轿门同步闭合，防止厅门与轿门的晃动。
进一步地，如图4所示，牵引装置2包括与门刀底板1活动连接的活动板20、与活动板20固定连接的第一摆臂限位块21、与活动板固定连接的第二摆臂限位块22，活动板20包括牵引端23。活动板20与门刀底板1通过第一中心轴31转动连接，活动板20的牵引端23带动门刀装置的工作，第一摆臂限位块21、第二摆臂限位块22固定设置在活动板20上，用于限制主动摆臂3的运动路程。
进一步地，活动板20、主动摆臂3均与门刀底板1连接于第一中心轴31。活动板20、主动摆臂3均通过第一中心轴31活动连接于门刀底板1，减少轴连接结构，简化门刀装置。
进一步地，第一摆臂限位块21、第二摆臂限位块22均位于活动板20的一侧且均为滚轴，且第一摆臂限位块21、第二摆臂限位块22分别位于限位端30的两侧。在主动摆臂3的限位端30两侧设置两滚轴，从而限制主动摆臂3的运动行程，将第一摆臂限位块21、第二摆臂限位块22均设置为滚轴，通过滚动摩擦避免了零件的磨损。
进一步地，第一活动杆70与门刀底板1活动连接，第二活动杆71远离连接轴72的一端与活动板20活动连接。活动板20的牵引端23对门刀装置施加牵引力，带动第二活动杆71运动从而引起保持组件7的运转。通过活动板20的牵引端23带动四连杆机构运转，从而带动第一门刀5、第二门刀6运行。
进一步地，第一活动杆70与第二活动杆71通过连接轴72轴连接，连接轴72的悬伸端上设置的引导装置73与导向板74配合运动，第一活动杆72、第二活动杆73为连杆且活动板74为曲柄，组成曲柄连杆机构。本发明的实施例中，引导装置74优选为滚轮，在连接轴72的悬伸端设置的滚轮73与导向板74配合运动，以此进行门刀闭合状态的保 持。
如图5、图6所示，当曲柄连杆机构带动连接轴72的悬伸端上设置的滚轮73到达导向板74的倾斜平面741时，倾斜平面74改变滚轮73的运动方向，滚轮73位于导向板74的水平平面的上方。
进一步地，同步门刀装置还包括拉簧8，拉簧8的一端与活动板20相连，拉簧8的另一端与门刀底板1相连。本实施例中，当第一门刀5、第二门刀6在层门的开锁区时，通过拉簧8的弹性拉伸作用，使得第一活动杆70、第二活动杆71由一定角度恢复为直线结构。电梯门在打开状态下，拉簧8提供门刀装置对门球的夹紧力，避免发生松旷。
本实施例中，电梯的门刀装置位于电梯门框架的一侧且门刀装置还包含锁紧机构。电梯门机的厅门与轿门在打开时，第一门刀5、第二门刀6紧夹着门球。电梯门机关门时，通过电机带动齿带运转，齿带带动门刀装置由电梯门框的一侧向轿门中央的方向运动，通过齿带上的齿轮压块将驱动力传递给牵引装置2的牵引端23，在牵引端23的牵引作用下，第一活动杆70、第二活动杆71通过连接轴72从电梯门框的一侧边框带动门刀装置向中间运动，当连接轴72上的滚轮73遇到导向板74的倾斜平面741，使得与连接轴72相连接的第一活动杆70和第二活动杆71围绕连接轴72转动且成一定的角度，从而解除门刀装置的保持状态，第一门刀5、第二门刀6张开，松开门球，使得电梯门保持紧闭状态，电梯进入升降运行。
若电梯到达层门，电梯轿门进行开门动作，在同步门刀装置的作用下，电梯厅门与轿门一同打开，电梯门机中的电机带动齿带运转，齿带带动门刀装置从中间向电梯门框一侧方向运动，与连接轴72的悬伸端固定连接的滚轮73与导向板74发生分离，使得与连接轴72相连接的第一活动杆70、第二活动杆71在拉簧8的作用下围绕连接轴72转动，第一活动杆70和第二活动杆71处于一条直线上，门刀装置处于保持状态，第一门刀5、第二门刀6回缩，夹紧门球，电梯轿门与厅门打开。
若电梯关门到位后出现故障，电梯可能停止在层站或者非层站。若电梯停在非层站，电梯同步门刀装置的保持组件处于保持状态，保证电梯的轿门与厅门紧闭，故在救援时先将轿厢停到层站的开锁区救人。厅门使用三角锁钥匙可以直接打开，施救人员是通过盘车移动轿厢到达门区开门救人的。电梯停在层站时，锁紧机构松开，通过拉簧8的作用， 与连接轴72的悬伸端固定连接的滚轮73与导向板74发生分离，使得与连接轴72相连接的第一活动杆70、第二活动杆71在拉簧8的作用下围绕连接轴72转动，第一活动杆70和第二活动杆71处于一条直线上，门刀装置处于保持状态，第一门刀5、第二门刀6回缩，夹紧门球，电梯轿门与厅门打开。
本发明中通过保持组件使得电梯的厅门与轿门同时开闭，防止了电梯厅门与轿门开闭过程中的晃动现象；电梯运行出现故障停在非层站时，通过保持轿门与厅门的锁紧状态，防止乘员扒门或者搭救人员在非层站扒门施救造成安全事故；保持组件使得具有门区可扒门，非门区防扒门功能的门刀装置简化，减少门刀装置中机械运动中的磨损。
最后应说明的是：虽然以上已经详细说明了本发明及其优点，但是应当理解在不超出由所附的权利要求所限定的本发明的精神和范围的情况下可以进行各种改变、替代和变换。而且，本发明的范围不仅限于说明书所描述的过程、设备、手段、方法和步骤的具体实施例。本领域内的普通技术人员从本发明的公开内容将容易理解，根据本发明可以使用执行与在此所述的相应实施例基本相同的功能或者获得与其基本相同的结果的、现有和将来要被开发的过程、设备、手段、方法或者步骤。因此，所附的权利要求旨在在它们的范围内包括这样的过程、设备、手段、方法或者步骤。

Claims (8)

  1. 一种带有保持组件的电梯同步门刀装置，包括门刀底板、牵引装置，以及由主动摆臂、从动摆臂、第一门刀、第二门刀组成的四连杆机构，所述主动摆臂的一端为限位端，所述主动摆臂通过第一中心轴与所述门刀底板相连接，所述从动摆臂通过第二中心轴与所述门刀底板相连接，其特征在于，还包括保持组件，所述保持组件包括第一活动杆、与所述第一活动杆轴连接的第二活动杆、连接所述第一活动杆与所述第二活动杆的连接轴，所述连接轴具有悬伸端，所述悬伸端设置有引导装置，所述保持组件还包括与所述引导装置相配合的导向板。
  2. 根据权利要求1所述的带有保持组件的电梯同步门刀装置，其特征在于，所述引导装置设置为滚轮，所述滚轮为尼龙滚轮。
  3. 根据权利要求1所述的带有保持组件的电梯同步门刀装置，其特征在于，所述牵引装置包括与所述门刀底板活动连接的活动板、与所述活动板固定连接的第一摆臂限位块、与所述活动板固定连接的第二摆臂限位块，所述活动板包括牵引端。
  4. 根据权利要求3所述的带有保持组件的电梯同步门刀装置，其特征在于，所述活动板、所述主动摆臂均与所述门刀底板活动连接于第一中心轴。
  5. 根据权利要求3所述的带有保持组件的电梯同步门刀装置，其特征在于，所述第一摆臂限位块、所述第二摆臂限位块均位于所述活动板的一侧且均为滚轴，且所述第一摆臂限位块、所述第二摆臂限位块分别位于所述限位端的两侧。
  6. 根据权利要求1所述的带有保持组件的电梯同步门刀装置，其特征在于，所述第一活动杆与所述门刀底板活动连接，所述第二活动杆远离连接轴的一端与所述活动板活动连接。
  7. 根据权利要求6所述的带有保持组件的电梯同步门刀装置，其特征在于，所述第一活动杆与所述第二活动杆通过所述连接轴轴连接，所述连接轴的所述悬伸端上设置的所述引导装置与所述导向板配合运动，所述第一活动杆、所述第二活动杆为连杆且所述活动板为曲柄，组成曲柄连杆机构。
  8. 根据权利要求1-7任意一项所述的带有保持组件的电梯同步门刀装置，其特征在于，所述同步门刀装置还包括拉簧，所述拉簧的一端与所述活动板相连，所述拉簧的另一端与所述门刀底板相连。
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