WO2018082109A1 - 一种防止电梯轿厢急速坠落的减速装置 - Google Patents

一种防止电梯轿厢急速坠落的减速装置 Download PDF

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WO2018082109A1
WO2018082109A1 PCT/CN2016/104960 CN2016104960W WO2018082109A1 WO 2018082109 A1 WO2018082109 A1 WO 2018082109A1 CN 2016104960 W CN2016104960 W CN 2016104960W WO 2018082109 A1 WO2018082109 A1 WO 2018082109A1
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car
sensitive
car body
preventing
falling
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PCT/CN2016/104960
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English (en)
French (fr)
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姚飞
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江苏蒙哥马利电梯有限公司
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Publication of WO2018082109A1 publication Critical patent/WO2018082109A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/24—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on guide ropes or cables

Definitions

  • the utility model relates to the technical field of elevator safety, in particular to a speed reduction device for preventing the elevator car from falling rapidly.
  • the reducer plays a role in matching the speed and transmitting torque between the prime mover and the working machine or the actuator.
  • the reducer is a relatively precise machine.
  • the purpose of using the reducer is to reduce the speed and increase the torque.
  • it can be divided into single-stage and multi-stage reducers; according to the shape of the gear wheel, it can be divided into cylindrical gear reducer, bevel gear reducer and cone-cylindrical guide reducer; Divided into expansion, split and the same axis reducer.
  • the reducer is a separate component consisting of a gear transmission, a worm drive, and a gear-worm drive enclosed in a rigid housing, and is often used as a reduction transmission between the prime mover and the work machine.
  • the function of matching the rotational speed and transmitting torque between the prime mover and the working machine or the actuator is widely used in modern machinery.
  • the reducer is generally used for transmission equipment with low speed and high torque.
  • the motor, internal combustion engine or other high-speed power is driven by the gears with few teeth on the input shaft of the reducer to mesh the large gear on the output shaft to achieve the purpose of deceleration.
  • the reducer will also have several pairs of identical principle gears to achieve the desired deceleration effect.
  • the ratio of the number of teeth of the large and small gears is the transmission ratio.
  • the purpose of the utility model is to provide a retractor on the side of the car.
  • the retractor will automatically Clamping the steel rope, so that the falling car immediately decelerates, and it is a kind of anti-elevator that plays a good safety protection measure
  • a speed reducing device for preventing an elevator car from falling sharply comprising a car body and a retractor
  • the front side of the car body is provided with an elevator door
  • the car A car reinforcement frame is arranged on two sides of the main body
  • the car reinforcement frame is welded on the top of the car body
  • the top of the car body is provided with a lifting pulley
  • the lifting pulley is installed in the middle of the top of the car
  • the lifting pulley is arranged on the lifting pulley
  • the sling is connected, and two sides of the car body are provided with lifting and positioning locating rings, and the retractors are installed at four corners of the two sides of the car body.
  • a fixing plate is disposed in the middle of the retractor, one side of the fixing plate is provided with an inertia disk, and the inertia disk is provided with a steel wire, and one side of the inertia disk is provided with a control mechanism, and the control mechanism is disposed.
  • the inertia disk On the inner side of the inertia disk, the inertia disk is mounted on the fixed plate, the bottom of the inertia disk is provided with sensitive claws, the sensitive claw is provided with a sensitive ball below, and one side of the sensitive ball is provided with a sensitive seat, and the sensitive ball is disposed at The upper part of the sensitive seat.
  • the other side of the fixing plate is provided with a ratchet
  • one side of the ratchet is provided with a rope drum
  • a lower side of the steel rope is provided with a pawl.
  • one end of the rope drum is connected to the ratchet.
  • the sensitive seat is directly welded to the fixing plate.
  • the sensitive ball is capable of sensing a descending speed of 0.5 m/s.
  • the pawl is welded directly to the side of the fixed plate.
  • Figure 1 is a schematic view of the overall structure of the present invention
  • Figure 2 is a schematic view showing the structure of the retractor of the present invention.
  • the utility model provides a technical solution: a speed reduction device for preventing an elevator car from falling rapidly, comprising a car body 7 and a retractor 5, wherein the front side of the car body 7 is provided with an elevator door 1 and a sedan A car reinforcement frame 3 is disposed on both sides of the car body 7, and the car reinforcement frame 3 is welded to the top of the car body 7.
  • the top of the car body 7 is provided with a lifting pulley 2, and the lifting pulley 2 is installed in the middle of the top of the car.
  • the hoisting rope 2 is connected to the hoisting pulley 2, and the lifting locating ring 6 is arranged on both sides of the car body 7, and the retractor 5 is mounted on the four corners of the two sides of the car body 7.
  • a fixing plate 17 is disposed in the middle of the retractor 5.
  • One side of the fixing plate 17 is provided with an inertia disk 13, and the inertia disk 13 is provided with a steel wire 11, and one side of the inertia disk 13 is provided with a control mechanism 12.
  • the control mechanism 12 is disposed on the inner side of the inertia disk 13, the inertia disk 13 is mounted on the fixed plate 17, and the sensitive claw 14 is disposed below the inertia disk 13.
  • the sensitive ball 15 is disposed under the sensitive claw 14, and the sensitive ball 15 can sense The descending speed is 0.5 m/s, and one side of the sensitive ball 15 is provided with a sensitive seat 16, and the sensitive ball 15 is disposed on the sensitive seat 16. Inside the square, the sensitive seat 16 is directly welded to the fixed plate 17.
  • the other side of the fixing plate 17 is provided with a ratchet wheel 9.
  • One side of the ratchet wheel 9 is provided with a rope drum 10, one end of the rope drum 10 is connected with the ratchet wheel 9, and the lower side of the steel wire rope 11 is provided with a pawl 8, and the pawl 8 is directly Soldered on the side of the fixing plate 17.
  • a retractor is mounted on the side of the car body 7. When the elevator encounters a failure and the car body 7 is rapidly falling, when the descending speed reaches 0.5 m/s, the retractor will automatically clamp the steel cord 11 So that the falling car body 7 is immediately decelerated, which provides a good safety protection measure.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

一种防止电梯轿厢急速坠落的减速装置，包括轿厢本体(7)、卷收器(5)，所述轿厢本体(7)上设有电梯门(1)、起吊滑轮(2)、轿厢加固架(3)、起吊绳(4)、卷收器(5)、升降定位圈(6)，在卷收器(5)上设有固定板(17)，在固定板(17)的两侧装有棘爪(8)、棘轮(9)、卷绳筒(10)、钢绳(11)、控制机构(12)、惯性盘(13)、敏感爪(14)、敏感球(15)、敏感座(16)，卷收器(5)通过固定件固定在轿厢两侧的四个角上，卷收器(5)上所有配件全采用不锈钢材质制成，在轿厢本体(7)的每个侧面四个角安装卷收器(5)，防止电梯在发生意外的时候急速下降，当电梯急速下坠的速度达到卷收器(5)的感应速度范围内，卷收器(5)将快速收紧，夹住钢绳(11)，防止急速下降带来的伤害。

Description

一种防止电梯轿厢急速坠落的减速装置 技术领域
本实用新型涉及电梯安防技术领域，具体为一种防止电梯轿厢急速坠落的减速装置。
背景技术
减速机在原动机和工作机或执行机构之间起匹配转速和传递转矩的作用，减速机是一种相对精密的机械，使用它的目的是降低转速，增加转矩。按照传动级数不同可分为单级和多级减速机；按照齿厂轮形状可分为圆柱齿轮减速机、圆锥齿轮减速机和圆锥－圆柱齿引轮减速机；按照传动的布置形式又可分为展开式、分流式和同进轴式减速机。减速器是一种由封闭在刚性壳体内的齿轮传动、蜗杆传动、齿轮-蜗杆传动所组成的独立部件，常用作原动件与工作机之间的减速传动装置。在原动机和工作机或执行机构之间起匹配转速和传递转矩的作用，在现代机械中应用极为广泛。
减速机一般用于低转速大扭矩的传动设备，把电动机、内燃机或其它高速运转的动力通过减速机的输入轴上的齿数少的齿轮啮合输出轴上的大齿轮来达到减速的目的，普通的减速机也会有几对相同原理齿轮达到理想的减速效果，大小齿轮的齿数之比，就是传动比。
电梯在一定程度上存在一定的安全隐患，出现意外故障的情况，急速下降，导致轿厢内部人员伤亡。
实用新型内容
本实用新型的目的在于提供一种在轿厢的侧面装上卷收器，在电梯遇到故障，出现轿厢急速下坠的时候，当下降速度达到0.5m/s的时候，卷收器将自动夹住钢绳，使下坠的轿厢立即减速，起到很好地安全保护措施的一种防止电梯 轿厢急速坠落的减速装置，以解决上述背景技术中提出的问题。
为实现上述目的，本实用新型提供如下技术方案：一种防止电梯轿厢急速坠落的减速装置，包括轿厢本体、卷收器，所述轿厢本体的正面设有电梯门，所述轿厢本体的顶部两边设有轿厢加固架，轿厢加固架焊接在轿厢本体的顶部，所述轿厢本体的顶部设有起吊滑轮，起吊滑轮安装在轿厢顶部的中间，所述起吊滑轮上连接起吊绳，所述轿厢本体的两侧设有升降定位圈，所述轿厢本体两侧的四个角上安装卷收器。
优选的，所述卷收器的中间设有固定板，所述固定板的一侧设有惯性盘，惯性盘上设有钢绳，所述惯性盘的一侧设有控制机构，控制机构设置在惯性盘的内侧，惯性盘安装在固定板上，所述惯性盘的下方设有敏感爪，所述敏感爪的下方设有敏感球，敏感球的一侧设有敏感座，敏感球设置在敏感座的上方内部。
优选的，所述固定板的另一侧设有棘轮，所述棘轮的一侧设有卷绳筒，所述钢绳的下方设有棘爪。
优选的，所述卷绳筒的一端与棘轮连接。
优选的，所述敏感座直接焊接在固定板上。
优选的，所述敏感球能够感应的下降速度为0.5m/s。
优选的，所述棘爪直接焊接在固定板的侧面。
与现有技术相比，本实用新型的有益效果是：
(1)在轿厢的侧面装上卷收器，在电梯遇到故障，出现轿厢急速下坠的时候，当下降速度达到0.5m/s的时候，卷收器将自动夹住钢绳，使下坠的轿厢立即减速，起到很好地安全保护措施。
附图说明
图1为本实用新型的整体结构示意图；
图2为本实用新型卷收器结构示意图。
图中：1、电梯门；2、起吊滑轮；3、轿厢加固架；4、起吊绳；5、卷收器；6、升降定位圈；7、轿厢本体；8、棘爪；9、棘轮；10、卷绳筒；11、钢绳；12、控制机构；13、惯性盘；14、敏感爪；15、敏感球；16、敏感座；17、固定板。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
请参阅图1，本实用新型提供一种技术方案：一种防止电梯轿厢急速坠落的减速装置，包括轿厢本体7、卷收器5，轿厢本体7的正面设有电梯门1，轿厢本体7的顶部两边设有轿厢加固架3，轿厢加固架3焊接在轿厢本体7的顶部，轿厢本体7的顶部设有起吊滑轮2，起吊滑轮2安装在轿厢顶部的中间，起吊滑轮2上连接起吊绳4，轿厢本体7的两侧设有升降定位圈6，轿厢本体7两侧的四个角上安装卷收器5。
请参阅图2，卷收器5的中间设有固定板17，固定板17的一侧设有惯性盘13，惯性盘13上设有钢绳11，惯性盘13的一侧设有控制机构12，控制机构12设置在惯性盘13的内侧，惯性盘13安装在固定板17上，惯性盘13的下方设有敏感爪14，敏感爪14的下方设有敏感球15，敏感球15能够感应的下降速度为0.5m/s，敏感球15的一侧设有敏感座16，敏感球15设置在敏感座16的上 方内部，敏感座16直接焊接在固定板17上。
固定板17的另一侧设有棘轮9，棘轮9的一侧设有卷绳筒10，卷绳筒10的一端与棘轮9连接，钢绳11的下方设有棘爪8，棘爪8直接焊接在固定板17的侧面。
在轿厢本体7的侧面装上卷收器，在电梯遇到故障，出现轿厢本体7急速下坠的时候，当下降速度达到0.5m/s的时候，卷收器将自动夹住钢绳11，使下坠的轿厢本体7立即减速，起到很好地安全保护措施。
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。

Claims (7)

  1. 一种防止电梯轿厢急速坠落的减速装置，包括轿厢本体(7)、卷收器(5)，其特征在于：所述轿厢本体(7)的正面设有电梯门(1)，所述轿厢本体(7)的顶部两边设有轿厢加固架(3)，轿厢加固架(3)焊接在轿厢本体(7)的顶部，所述轿厢本体(7)的顶部设有起吊滑轮(2)，起吊滑轮(2)安装在轿厢顶部的中间，所述起吊滑轮(2)上连接起吊绳(4)，所述轿厢本体(7)的两侧设有升降定位圈(6)，所述轿厢本体(7)两侧的四个角上安装卷收器5。
  2. 根据权利要求1所述的一种防止电梯轿厢急速坠落的减速装置，其特征在于：所述卷收器(5)的中间设有固定板(17)，所述固定板(17)的一侧设有惯性盘(13)，惯性盘(13)上设有钢绳(11)，所述惯性盘(13)的一侧设有控制机构(12)，控制机构(12)设置在惯性盘(13)的内侧，惯性盘(13)安装在固定板(17)上，所述惯性盘(13)的下方设有敏感爪(14)，所述敏感爪(14)的下方设有敏感球(15)，敏感球(15)的一侧设有敏感座(16)，敏感球(15)设置在敏感座(16)的上方内部。
  3. 根据权利要求1所述的一种防止电梯轿厢急速坠落的减速装置，其特征在于：所述固定板(17)的另一侧设有棘轮(9)，所述棘轮(9)的一侧设有卷绳筒(10)，所述钢绳(11)的下方设有棘爪(8)。
  4. 根据权利要求1所述的一种防止电梯轿厢急速坠落的减速装置，其特征在于：所述卷绳筒(10)的一端与棘轮(9)连接。
  5. 根据权利要求1所述的一种防止电梯轿厢急速坠落的减速装置，其特征在于：所述敏感座(16)直接焊接在固定板(17)上。
  6. 根据权利要求1所述的一种防止电梯轿厢急速坠落的减速装置，其特征在于：所述敏感球(15)能够感应的下降速度为0.5m/s。
  7. 根据权利要求1所述的一种防止电梯轿厢急速坠落的减速装置，其特征在于：所述棘爪(8)直接焊接在固定板(17)的侧面。
PCT/CN2016/104960 2016-11-03 2016-11-08 一种防止电梯轿厢急速坠落的减速装置 WO2018082109A1 (zh)

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CN117566604A (zh) * 2023-12-12 2024-02-20 安徽建工集团建筑机械智能制造有限公司 一种塔吊吊钩断绳防坠落装置
CN117566604B (zh) * 2023-12-12 2024-04-12 安徽建工集团建筑机械智能制造有限公司 一种塔吊吊钩断绳防坠落装置

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