WO2015021837A1 - 一种电梯用钢丝绳组的两节点均力装置 - Google Patents

一种电梯用钢丝绳组的两节点均力装置 Download PDF

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Publication number
WO2015021837A1
WO2015021837A1 PCT/CN2014/081885 CN2014081885W WO2015021837A1 WO 2015021837 A1 WO2015021837 A1 WO 2015021837A1 CN 2014081885 W CN2014081885 W CN 2014081885W WO 2015021837 A1 WO2015021837 A1 WO 2015021837A1
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WO
WIPO (PCT)
Prior art keywords
equalizing device
main body
wire rope
spherical
force
Prior art date
Application number
PCT/CN2014/081885
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English (en)
French (fr)
Inventor
徐兴华
Original Assignee
苏州博量传动设备有限公司
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 苏州博量传动设备有限公司 filed Critical 苏州博量传动设备有限公司
Priority to JP2016532217A priority Critical patent/JP6276858B2/ja
Priority to KR1020167006484A priority patent/KR101877804B1/ko
Priority to EP14836446.6A priority patent/EP3034447A4/en
Publication of WO2015021837A1 publication Critical patent/WO2015021837A1/zh
Priority to US15/016,237 priority patent/US10017357B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides

Definitions

  • the invention relates to a equalizing device for a wire rope set for an elevator, in particular to a two-node of an elevator wire rope group capable of adjusting the force of two sets of wire rope sets and making the two groups of wire rope groups have the same force. Force device.
  • the traction elevator suspension lifting system is composed of main components such as a traction sheave, a wire rope set, a car, a balance block system, and the traction elevator suspension system.
  • the friction generated by each wire rope in the wire rope group is wound in the groove of the traction sheave to provide the car lifting or lowering power; under the continuous development of the elevator driving technology, the lifting height and the traveling speed of the elevator have Great improvement, but also put forward higher requirements for the safety and reliability of the elevator itself.
  • the force of each wire rope in the wire rope set should be the same, and the shape and size of the groove used to wind the wire rope on the traction sheave should also be reasonable; but in actual use, due to For some reasons, the force of each wire rope in the wire rope group is different. This will cause some steel wire ropes to be stressed, and some steel wire ropes have small force; between the steel wire rope with strong force and the groove on the corresponding traction wheel The frictional force will be relatively large, which will cause the friction of the groove on the corresponding traction sheave to be more severe. When the time is long, the shape and size of the groove on the corresponding traction sheave will be changed, resulting in The force of the wire rope work is getting bigger and bigger.
  • the traction sheave is about 100 rpm. Then, the wire rope should be less than 3 4 mm. After testing, it is found that the wire rope is about 3,000 cows; when the wire rope is in the middle. When the force is uneven, the creeping phenomenon occurs between the wire rope and the traction sheave with small force. The creep between the wire rope and the traction sheave causes the wire rope and the traction sheave to wear. The higher the floor, the more serious the above situation.
  • the object of the present invention is to provide a two-node equalizing device capable of adjusting the forces of two sets of steel wire rope sets and achieving the same force of the two sets of steel wire rope sets to overcome the deficiencies of the prior art.
  • the technical solution adopted by the present invention is: a two-node equalizing device for an elevator wire rope set, comprising a uniform force device body; the equalizing device body is rotatably disposed on the base; Two spherical nodes are symmetrically disposed on the main body of the device; the spherical node is mounted with a wire rope set; the spherical node is rotatable around the main body of the equalizing device; the center of rotation of the main body of the equalizing device is located at a center line of the main body of the equalizing device The center of rotation of each of the spherical nodes is on the same level as the center of rotation of the body of the equalizing device, and is collinear.
  • the equalizing device body is symmetrically disposed with two spherical cavities; the spherical nodes are disposed in each spherical cavity and are rotatable.
  • a lower portion of the main body of the equalizing device is provided with a rotating frame; a center line of the main body of the equalizing device is coaxial with a center line of the rotating frame; and a bottom portion of the rotating frame is provided with a curved shape a protrusion; the base is provided with an arc groove; when the arc protrusion is placed in the arc groove, the arc protrusion can rotate around the arc groove.
  • the main body of the equalizing device is provided with a screw hole through which the screw can fix the rotating frame to the lower portion of the main body of the equalizing device.
  • the base is uniformly provided with fixing holes to facilitate the installation of the base.
  • the center of the spherical node is provided with a through hole to receive the wire rope.
  • the present invention has the following advantages over the prior art:
  • the two-node equalizing device of the steel wire rope set for an elevator wherein the main body of the equalizing force device is rotatably disposed on the base; the ball body of the equalizing device is symmetrically disposed with two spherical nodes; a through hole is provided in the center; the through hole is used to install a wire rope set; the spherical node is rotatable around the body of the equalizing device; the center of rotation of the main body of the equalizing device is located on a center line of the main body of the equalizing device; The center of rotation of each spherical node is on the same horizontal plane as the center of rotation of the body of the equalizing device, and is collinear; the solution of the present invention can adjust the force of the two sets of wire rope sets, and when the invention reaches a steady state, the two sets of wire ropes The force of the group will be the same, so that the damage caused by the different force of the wire rope group of the elevator can be overcome, the service life
  • Figure 1 is a cross-sectional view showing a two-node equalizing device of an elevator wire rope set according to the present invention
  • the 1 is a two-node equalizing device for an elevator wire rope set according to the present invention, which is installed on a rope head or a rope tail (not shown) of a traction wire rope set, and includes a equalizing device main body 1;
  • the force device body 1 is rotatably disposed on the base 5;
  • the ball body 1 is symmetrically disposed with two spherical nodes 8 to mount two sets of wire ropes;
  • the center of the ball node 8 is provided with a through hole 9;
  • the through hole 9 is used to mount one of the wire ropes;
  • the spherical node 8 is rotatable or swingable around the uniform force device body 1;
  • the center of rotation of the equalizing device body 1 is located on the center line of the body of the equalizing device;
  • the center of rotation of each of the spherical nodes 8 is on the same level as the center of rotation of the equalizing device body 1, and is collinear.
  • the spherical body 2 is symmetrically disposed along the center line thereof with two spherical cavities 2; the spherical node 8 is disposed in each of the spherical cavities 2, and Rotating; a lower portion of the equalizing device body 1 is provided with a rotating frame 4; a center line of the equalizing device body 1 is collinear with a center line of the rotating frame 4; and a bottom of the rotating frame 4 is provided with an arc-shaped protrusion 6; the base 5 is provided with an arcuate groove 7; when the arcuate protrusion 6 is placed in the arcuate groove 7, the arcuate protrusion 6 can be rotated or oscillated around the arcuate groove; 1 is provided with a screw hole 3 through which a screw (not shown) can be fixed to the lower portion of the body of the equalizing device; the base 5 is uniformly provided with a fixing hole 10 for convenient Install the base 5.
  • the arcuate protrusions 6 may also be disposed such that the arcuate grooves 7 corresponding to the spherical protrusions 3 are provided as spherical grooves.
  • Point The two-node equalizing device of the wire rope group for an elevator according to the present invention, wherein the body of the equalizing device is swingably disposed on the base to balance the force at both ends thereof by the swinging of the '-- during rotation;
  • Two spherical nodes are symmetrically disposed on the main body of the equalizing device; the center of the spherical node is provided with a through hole; the through hole is used for installing a wire rope set; the spherical node can be rotated or oscillated around the main body of the equalizing device;
  • the center of rotation of the body of the equalizing device is located on the center line of the body of the equalizing device; the center of rotation of each of the spherical nodes is on the same level as the center of rotation of the body of the equalizing device, and is collinear.
  • the two-node equalizing device of the present invention utilizes the principle of the swing lever and the lever to have each of the independent traction wire ropes have a mechanical relationship with each other, that is, the traction wire rope set is under the force,
  • the change of the force of any one of them will be transmitted to the spherical node, and the force swing of the spherical node will cause the body of the equalizing device to lose balance and swing around its center of rotation, so that the ball node is subjected to the force.
  • the change is transmitted to another spherical node and the forces of the two spherical nodes are balanced, that is, the force of each set of wires is equalized by the principle of leverage (torque equals force multiplied by distance).
  • the solution of the invention can automatically adjust the force of the two sets of steel wire ropes.
  • the force of the two sets of wire rope sets will be the same, thereby overcoming the hazard caused by the different force of the wire rope group of the elevator, and improving The service life of the wire rope set and thus the safety of the elevator.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

一种电梯用钢丝绳组的两节点均力装置，包含均力装置主体（1）；均力装置主体（1）可旋转地设置在底座（5）上；均力装置主体（1）上对称地设置有2个球形节点（8）；球形节点（8）的中心设置有通孔（9）；通孔（9）用来安装钢丝绳；球形节点（8）可绕均力装置主体（1）旋转；均力装置主体（1）的旋转中心位于其中心线上；每个球形节点（8）的旋转中心与均力装置主体（1）的旋转中心在同一水平面上，且共线。该装置可对两组钢丝绳的受力进行调节，当其达到稳定状态时，每组钢丝绳的受力会相同，从而可以克服电梯用钢丝绳受力不相同而产生的危害，提高钢丝绳的使用寿命。

Description

—种电梯用钢丝繩组的两节点均力装置
技术领域
本发明涉及一种电梯用钢丝绳组的均力装置，特别是一种可对两 组钢丝绳组的受力进行调节 ,并使两组钢丝绳组的受力达到相同的电 梯用钢丝绳组的两节点均力装置。
背景技术
目前国内外的电梯通常采用曳引机驱动电梯，曳引电梯悬挂提升 系统由曳引轮、 钢丝绳组、 轿厢、 平衡块系统等主要部件组成； 所述 曳引电梯悬挂提升系统中通_过钢丝绳组中的每.根钢丝绳在曳引轮的 槽内缠绕而产生的摩擦力提供轿厢提升或下降的动力；在电梯驱动技 术不断发展的调节下，电梯的提升高度以及行驶速度都有了很大的提 高，同时也对电梯自身的安全性和可靠性提出了更高的要求。理论上， 电梯在使用过程中， 钢丝绳组中的每根钢丝绳的受力应一样， 且曳引 轮上用来缠绕钢丝绳的槽的形状和尺寸也应一祥； 但实际使用过程 中， 由于各种原因会使钢丝绳组中的每根钢丝绳的受力不一样， 这祥 就会造成有些钢丝绳受力大， 有些钢丝绳受力小； 受力大的钢丝绳与 其对应的曳引轮上的槽之间的摩擦力会相对较大，这样会造成其对应 的曳引轮上的槽的摩擦更厉害， 时间一长， 就好造成其对应的曳引轮 上的槽的形状和尺寸发生变化，造成受力大的钢丝绳工作中所受的力 越来越大。 如果曳引轮上的槽磨损后半径减少 0„ 1 毫米， 曳引轮每旋 转一圈， 钢丝绳要少运动 0. 314毫米； 以 20层的楼房为例， 曳引轮 大约要旋转 1 00圏， 那么该跟钢丝绳就要少运动 31 4毫米， 经过试 验 , 发现该跟钢丝绳要多受力约 3000牛； 当钢丝绳纽.中个钢丝绳的 受力不均时， 受力小的钢丝绳和曳引轮之间产生蠕动现象， 钢丝绳和 曳引轮之间的蠕动会引起钢丝绳和曳引轮的磨损； 楼层越高， 上述情 况更严重。 因而， 长时间使用的受力大的钢丝绳在使用过程中， 容易 断裂， 而造成电梯安全事故； 同时， 受力小的钢丝绳也会因与曳引轮 的磨损， 出现受损， 如果受损严重， 也会引起造成钢丝绳的断裂， 而 造成电梯安全事故； 为此， 我们开发了一种可对两组钢丝绳组的受力 进行调节 ,并使两组钢丝绳组的受力达到相同的电梯用钢丝绳组的两 节点均力装置。
发明内容
本发明目的是为了克服现有技术的不足而提供一种可对两组钢 丝绳组的受力进行调节，并使两组钢丝绳组的受力达到相同的电梯用 钢丝绳组的两节点均力装置。
为达到上述目的， 本发明采用的技术方案是： 一种电梯用钢丝绳 组的两节点均力装置， 包含均力装置主体； 所述均力装置主体可旋转 地设置在底座上； 所述均力装置主体上对称地设置有 2个球形节点； 所述球形节点安装钢丝绳组； 所述球形节点可绕均力装置主体旋转； 所述均力装置主体的旋转中心位于均力装置主体的中心线上；所述每 个球形节点的旋转中心与均力装置主体的旋转中心在同一水平面上， 且共线。
优选的， 所述均力装置主体上对称地设置有 2个球形腔； 所述球 形节点设置在每个球形腔内， 并可旋转。
优选的， 所述均力装置主体的下部设置有旋转架； 所述均力装置 主体的中心线与旋转架的中心线共线；所述旋转架的底部设置有弧形 凸起； 所述底座上设置有弧形槽； 当弧形凸起置入弧形槽内时， 弧形 凸起可绕弧形槽旋转。
优选的， 所述均力装置主体上设置有螺钉孔， 螺钉通过所述螺钉 孔可将旋转架固定在均力装置主体的下部。
优选的， ^述底座上均布有固定孔， 以方便安装底座。
所述球形节点的中心设有通孔以收容钢丝绳。
由于上述技术方案的运用， 本发明与现有技术相比具有下列优 点：
本发明所述的电梯用钢丝绳组的两节点均力装置， ^述均力装置 主体可旋转地设置在底座上； 所述均力装置主体上对称地设置有 2 个球形节点； 所述球形节点的中心设置有通孔； 所述通孔用来安装钢 丝绳组； 所述球形节点可绕均力装置主体旋转； 所述均力装置主体的 旋转中心位于均力装置主体的中心线上；所述每个球形节点的旋转中 心与均力装置主体的旋转中心在同一水平面上， 且共线； 本发明方案 可对两组钢丝绳组的受力进行调节， 当本发明达到稳定状态时， 两组 钢丝绳组的受力会相同，从而可以克服电梯用钢丝绳组受力不相同而 产生的危害， 提高钢丝绳组的使用寿命， 并由此提高电梯的安全性。 附图说明
下面结合附图对本发明技术方案作进一步说明：
附图 1 为本发明所述的电梯用钢丝绳组的两节点均力装置的剖 视图；
其中： 1、 均力装置主体； 2、 球形腔； 3、 螺钉孔； 4、 旋转架； 5、 底座； 6、 弧形凸起； 7、 弧形槽； 8、 球形节点； 9、 通孔； 1 0、 固定孔。
具体实施方式
下面结合酎图及具体实施例对本发明作进一步的详细说明。
酎图 1为本发明所述的电梯用钢丝绳组的两节点均力装置，其安 装在曳引钢丝绳组的绳头或绳尾（图未示）， 且包含均力装置主体 1 ; 所述均力装置主体 1可旋转地设置在底座 5上； 所述均力装置主体 1 上对称地设置有 2个球形节点 8以安装两组钢丝绳； 所述球形节点 8 的中心设置有通孔 9 ; 所述通孔 9用来安装其中一组钢丝绳； 所述球 形节点 8可绕均力装置主体 1旋转或摆动；所述均力装置主体 1的旋 转中心位于均力装置主体 1的中心线上；所述每个球形节点 8的旋转 中心与均力装置主体 1 的旋转中心在同一水平面上， 且共线。
本实施例中， 如附图 1所示， 所述均力装置主体 1上沿其中心线 对称地设置有 2个球形腔 2 ;所述球形节点 8设置在每个球形腔 2内， 并可旋转； 所述均力装置主体 1的下部设置有旋转架 4 ; 所述均力装 置主体 1 的中心线与旋转架 4的中心线共线；所述旋转架 4的底部设 置有弧形凸起 6 ; 所述底座 5上设置有弧形槽 7 ; 当弧形凸起 6置入 弧形槽 7 内时， 弧形凸起 6可绕弧形槽 Ί旋转或摆动; 所述均力装置 主体 1上设置有螺钉孔 3 , 螺钉（未示出 ） 通过所述螺钉孔 3可将旋 转架 4 固定在均力装置主体 〗 的下部； 所述底座 5 上均布有固定孔 1 0 , 以方便安装底座 5。
当然， 本实施例中， 所述弧形凸起 6也可以设置成球形凸 ¾ 对 应的弧形槽 7设置成球形槽。
由于上述技术方案的运用， 本发明与现有技术相比具有下列优 点： 本发明所述的电梯用钢丝绳组的两节点均力装置， 其中的均力装 置主体可摆动地设置在底座上，以通过绕旋转中 ' -的摆动来平衡其两 端的力； 所述均力装置主体上对称地设置有 2个球形节点； 所述球形 节点的中心设置有通孔； 所述通孔用来安装钢丝绳组； 所述球形节点 可绕均力装置主体旋转或摆动；所述均力装置主体的旋转中心位于均 力装置主体的中心线上；所述每个球形节点的旋转中心与均力装置主 体的旋转中心在同一水平面上， 且共线。 这样， 本发明的两节点均力 装置利用摆杆和杠杆原理，将每根独立的曳引钢丝绳具备了与其他钢 丝绳具有了相互关联的力学关系， 即曳引钢丝绳组在受力的情况下， 其中任何一根的受力发生变化会传递到球形节点上，该球形节点的受 力摆动会使得均力装置主体失去平衡从而绕着其旋转中心进行摇摆， 这样便将该球形节点所受到力的变化传递给另一个球形节点并使得 该两个球形节点的受力得到平衡， 也即利用杠杆原理（力矩等于力乘 以距离 ), 使每组钢丝绳的受力都相等。
本发明方案可对两组钢丝绳的受力进行自动调节，当本发明达到 稳定状态时， 两组钢丝绳组的受力会相同， 从而可以克服电梯用钢丝 绳组受力不相同而产生的危害， 提高钢丝绳组的使用寿命， 并由此提 高电梯的安全性。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟 悉此项技术的人士能够了解本发明的内容并加以实施，并不能以此限 制本发明的保护范围， 凡根据本发明精神实质所作的等效变化或修 饰， 都应涵盖在本发明的保护范围内。

Claims

1、 一种电梯用钢丝绳组的两节点均力装置， 其特征在于其包包 括均力装置主体； 所述均力装置主体可摆动地设置在底座上； 所述均 力装置主体上对称地设置有 2个球形节点；所述球形节点与钢丝绳组 相配接； 所述球形节点可绕均力装置主体旋转或摆动； 所述均力装置 主体的旋转中心位于均力装置主体的中心线上；所述每个球形节点的 旋转中心与均力装置主体的旋转中心在同一水平面上， 且共线„
2、 根椐权利要求 1所迷的电梯用钢丝绳组的两节点均力装置， 其特征在于： 所述均力装置主体上对称地设置有 1个球形腔； 所述球 形节点设置在每个球形腔内， 并可旋转或摆动。
3、 根据权利要求 1 或 2所述的电梯用钢丝绳组的两节点均力装 置， 其特征在于： 所述均力装置主体的下部设置有旋转架； 所述均力 装置主体的中心线与旋转架的中心线共线；所述旋转架的底部设置有 弧形凸起； 所述底座上设置有弧形槽； 当弧形凸起置入弧形槽内时， 弧形凸起可绕弧形槽旋转。
4、 根据权利要求 3所述的电梯用钢丝绳组的两节点均力装置， 其特征在于： 所述均力装置主体上设置有螺钉：L , 螺钉通过所述螺钉 礼可将旋转架固定在均力装置主体的下部。
5、 根据权利要求 1 所述的电梯用钢丝绳组的两节点均力装置， 其特征在于： 所述底座上均布有固定孔， 以方便安装底座。
6、 根椐权利要求 1 所述的电梯用钢丝绳组的两节点均力装置， 其特征在于： 所述球形节点的中心设有通孔以收容钢丝绳。
PCT/CN2014/081885 2013-08-12 2014-07-09 一种电梯用钢丝绳组的两节点均力装置 WO2015021837A1 (zh)

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