WO2022016665A1 - 一种通过钢带卷绕的电梯传动系统 - Google Patents

一种通过钢带卷绕的电梯传动系统 Download PDF

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Publication number
WO2022016665A1
WO2022016665A1 PCT/CN2020/112225 CN2020112225W WO2022016665A1 WO 2022016665 A1 WO2022016665 A1 WO 2022016665A1 CN 2020112225 W CN2020112225 W CN 2020112225W WO 2022016665 A1 WO2022016665 A1 WO 2022016665A1
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Prior art keywords
wheel
steel belt
car
shaft portion
connecting holes
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PCT/CN2020/112225
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English (en)
French (fr)
Inventor
徐小康
韩丹丹
刘靠政
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上海法西驱动技术有限公司
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Publication of WO2022016665A1 publication Critical patent/WO2022016665A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/0075—Roping with hoisting rope or cable positively attached to a winding drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation

Definitions

  • the invention relates to the field of elevators, in particular to an elevator transmission system wound by a steel belt.
  • the traditional elevator traction method is to pull the car up and down through the friction force generated by friction with the traction sheave through the wire rope or steel belt.
  • the wire rope or steel belt connects the car and the counterweight (counterweight) respectively through the traction ratio.
  • Wire rope or steel belt traction mainly relies on the friction between the wire rope and the rope groove of the traction sheave to make the car reciprocate up and down. Long-term use is easy to wear the wire rope and traction sheave. Regular maintenance and timely replacement of the wire rope or steel belt are required.
  • this elevator traction method needs to be equipped with a counterweight to reduce the output torque of the traction machine and the static load of the main shaft.
  • the configuration of the counterweight needs to occupy the hoistway space, which is not suitable for narrow spaces. At the same time, the noise generated by the wire rope or steel belt in the process of friction with the traction sheave cannot be eliminated.
  • the present invention is made to solve the above problems, and aims to provide an elevator drive system that does not need a counterweight and is wound by a steel belt.
  • the elevator transmission system wound by the steel belt provided by the present invention is arranged in a hoistway, and a mounting frame is arranged in the hoistway, and is characterized in that it includes: a driving motor, a driving wheel, a guide wheel, a first car wheel, a second car wheel, and a second car wheel.
  • Fixed connection; the driving wheel is driven to rotate by the drive motor.
  • the second end of the steel belt is provided with a steel belt connecting hole;
  • the wheel main body has a shaft portion, the shaft portion is provided with a connecting cavity, the two ends of the shaft portion are provided with flanges, the upper end face of the shaft portion is flat, and the upper end face of the shaft portion is provided with a shaft portion connecting hole downward;
  • the upper end face of the pressing block is The arc surface, the lower end surface is flat, and the pressure block is provided with a pressure block connection hole that penetrates from the upper end surface to the lower end surface; the positions of the pressure block connection hole, the shaft connection hole and the steel belt connection hole correspond;
  • the second The end head is pressed between the lower end face of the pressing block and the upper end face of the shaft portion, and the pressing block, the steel belt and the shaft portion are connected and fixed by connecting components.
  • the shaft side surface of the driving wheel forms a cylindrical surface.
  • the shaft side surface of the driving wheel forms a cylindrical surface.
  • the height of the connecting component is smaller than the sum of the aperture depths of the pressure block connecting hole, the shaft connecting hole and the steel belt connecting hole.
  • the connecting component is a hexagon socket head screw component or a pin component.
  • the elevator transmission system which is wound by steel belts, it also has the following characteristics: wherein, the number of shaft connecting holes is two, and the two shaft connecting holes are distributed along the axial direction; The number is two, and the two steel belt connecting holes correspond to the positions of the two shaft connecting holes one-to-one; the number of pressing block connecting holes is two, and the two pressing block connecting holes correspond to the positions of the two shaft connecting holes one-to-one. .
  • the elevator transmission system wound by the steel belt provided by the present invention, it also has the following feature: wherein, the first car wheel and the second car wheel are both fixed on the top surface of the car.
  • the elevator transmission system wound by the steel belt provided by the present invention, it also has the following feature: wherein, the first car wheel and the second car wheel are both fixed on the bottom surface of the car.
  • the second end of the steel belt is fixedly connected with the driving wheel, the counterweight in the traditional elevator transmission system is removed, and the elevator shaft space can be greatly saved.
  • the winding method between the steel belt and the driving pulley instead of the traditional friction between the steel belt and the traction pulley, can eliminate the friction noise.
  • FIG. 1 is a schematic structural diagram of an elevator drive system wound by a steel belt in an embodiment of the present invention
  • Fig. 2 is the installation schematic diagram of the driving wheel and the second end of the steel belt in the embodiment of the present invention
  • FIG 3 is a sectional view of the middle position of the driving wheel in the embodiment of the present invention (excluding the hexagon socket head bolt assembly);
  • FIG. 4 is a schematic view of the driving wheel and the second end of the steel belt after installation and fixing in the embodiment of the present invention
  • FIG. 5 is a schematic diagram of winding the steel strip when the driving pulley rotates in the embodiment of the present invention.
  • the elevator drive system of this embodiment which is wound by a steel belt, is installed in the hoistway.
  • An installation frame is arranged in the hoistway.
  • the installation frame is a steel structure bracket, which is used for the installation and fixation of the entire elevator system. It is a conventional practice in the prior art to install the elevator system by setting the installation frame in the elevator shaft.
  • the installation frame in this embodiment is The existing conventional mounting frame structure is adopted, which will not be described in detail, and the mounting frame is not shown in FIG. 1 .
  • the elevator transmission system wound by the steel belt in this embodiment includes: a driving motor (not shown in the figure), a driving wheel 1 , a guide wheel 2 , a first car wheel 4 , and a second car wheel 3.
  • the first car wheel 4 and the second car wheel 3 are both fixed on the car 6 .
  • the first car wheel 4 and the second car wheel 3 can be car top wheels fixed on the top surface of the car, and the first car wheel 4 and the second car wheel 3 can also be fixed on the bottom surface of the car
  • the car bottom wheel of the present invention can be applied to the elevator transmission system wound by the steel belt of the present invention.
  • the form shown in FIG. 1 is adopted: the first car wheel 4 and the second car wheel 3 are both fixed on the top surface of the car.
  • the connection and fixing method of the first car wheel 4, the second car wheel 3 and the car may adopt a conventional welding method or a bolt connection method.
  • the driving wheel 1, the guide wheel 2 and the fixing mechanism 7 are respectively fixed on the mounting frame.
  • the positions of the three are shown in Figure 1.
  • the fixing mechanism 7 is located above one side of the car 6, the guide wheel 2 and the driving wheel 1 are located above the other side of the car, and the position of the driving wheel 1 is higher than that of the guide wheel 2. Location.
  • the first end of the steel belt 5 is fixed on the fixing mechanism 7. As shown in FIG. 1, the steel belt 5 goes around the bottom of the first car wheel 4, the bottom of the second car wheel 3, and the guide from right to left. The side surface of the wheel 2, and the second end of the steel belt 5 is fixedly connected with the driving wheel 1.
  • the driving wheel 1 includes a wheel body and a pressing block 15 that are detachably connected.
  • the wheel body has a shaft portion 11 , and flanges 12 are provided at both ends of the shaft portion 11 .
  • the shaft portion 11 is provided with a connecting cavity 13 having a keyway portion 131 .
  • the upper end surface of the shaft portion 11 is flat, and two shaft portion connecting holes 111 are opened downward on the upper end surface of the shaft portion, and the two shaft portion connecting holes 111 are distributed along the axial direction.
  • the upper end surface of the pressing block 15 is a circular arc surface, and the lower end surface is a plane surface. 111 positions correspond one-to-one.
  • the second end of the steel strip 5 is provided with a bent portion that matches the size of the upper end face of the shaft portion, and two steel strip connecting holes 51 are opened, which are connected with the two steel strip connecting holes.
  • the positions of the shaft connecting holes 111 correspond to each other one by one.
  • connection components can use socket head cap screw components or pin components.
  • the height of the connecting component is less than the sum of the aperture depths of the connecting hole of the pressure block, the connecting hole of the shaft, and the connecting hole of the steel belt.
  • the connection component 14 adopts a socket head cap screw assembly (including a socket head cap screw and a washer), and correspondingly, the shaft portion connection hole 111 and the pressure block connection hole 151 are provided as threaded holes matched with them. As shown in FIG.
  • the driving wheel 1 is driven to rotate by a drive motor (not shown in the figure), and the drive motor is connected to the elevator special electrical control system, and its operation is controlled by the electrical control system.
  • the elevator special electrical control system adopts the prior art elevator special electrical control system.
  • the rotating shaft of the motor and the driving wheel 1 are driven by a key connection, and the driving motor and the driving wheel 1 are installed in the same base shell, and the installation method is the same as that in the prior art, in which the driving motor and the traction wheel are installed in the same base shell, Then, it is fixed on the mounting frame by welding or bolting through the base shell.
  • the guide wheel 2 adopts a conventional guide wheel with steel belt grooves.
  • the guide wheel 2 and the fixing mechanism 7 are fixed on the mounting frame by welding or bolting.
  • the fixing mechanism 7 is fixedly connected with the first end of the steel strip, and the connection method can be a fixed way such as the second end of the steel strip, which is pressed by a pressure block and locked by bolts, or other conventional connections such as welding can be used.
  • the fixing mechanism 7 can use two rectangular pressing blocks to press the steel strips and connect them with bolts, or use the steel blocks to weld the steel strips.
  • the size of the steel belt in the elevator transmission system wound by the steel belt in this embodiment is set according to the actual situation of the elevator car.
  • the size of the fixing mechanism 7 is set according to the condition of the steel belt.
  • the driving wheel 1, the guide wheel 2, the first car wheel 4, the second car wheel 3, and the fixing mechanism 7 are all made of steel.
  • the elevator drive system of this embodiment that is wound by the steel belt removes the counterweight in the traditional elevator drive system, which can greatly save the space of the elevator shaft; in addition, the steel belt and the driving pulley are coiled instead of the traditional steel belt The friction between the belt and the traction sheave can eliminate the friction noise.

Abstract

一种通过钢带（5）卷绕的电梯传动系统，设置在井道中，井道内设置有安装机架，还包括：驱动电机、主动轮（1）、导向轮（2）、第一轿厢轮（4）、第二轿厢轮（3）、轿厢（6）、钢带（5）、固定机构（7），其中，第一轿厢轮（4）、第二轿厢轮（3）均固定在轿厢（6）上；主动轮（1）、导向轮（2）、固定机构（7）分别固定在安装机架上，且位于轿厢（6）的上方；钢带（5）的第一端头固定在固定机构（7）上，钢带（5）依次绕过第一轿厢轮（4）、第二轿厢轮（3）、导向轮（2），且钢带（5）的第二端头与主动轮（1）固定连接；主动轮（1）由驱动电机驱动转动。通过钢带（5）卷绕的电梯传动系统去除了传统电梯传动系统中的对重，节约了电梯井道空间，消除了摩擦噪音。

Description

一种通过钢带卷绕的电梯传动系统 技术领域
本发明涉及电梯领域，特别涉及一种通过钢带卷绕的电梯传动系统。
背景技术
目前传统的电梯牵引方式是通过钢丝绳或钢带通过与曳引轮摩擦产生的摩擦力从而拉动轿厢上下往复运动，钢丝绳或钢带通过曳引比分别连接轿厢和对重(配重)。钢丝绳或钢带牵引主要是靠钢丝绳与曳引轮绳槽的摩擦力使轿厢上下往复运动，长期使用容易磨损钢丝绳与曳引轮，需要注意定期保养、及时更换钢丝绳或钢带。另外，这种电梯牵引方式需要配置对重来降低曳引机的输出转矩及主轴静载，但是，配置对重则需要占用井道空间，这种方式对狭小空间不适用。同时，钢丝绳或钢带在与曳引轮摩擦的过程产生噪音无法消除。
发明内容
本发明是为了解决上述问题而进行的，目的在于提供一种无需配重的通过钢带卷绕的电梯传动系统。
本发明提供的通过钢带卷绕的电梯传动系统，设置在井道中，井道内设置有安装机架，其特征在于，包括：驱动电机、主动轮、导向轮、第一轿厢轮、第二轿厢轮、轿厢、钢带、固定机构，其中，第一轿厢轮、第二轿厢轮均固定在轿厢上；主动轮、导向轮、固定机构分 别固定在安装机架上，且位于轿厢的上方；钢带的第一端头固定在固定机构上，钢带依次绕过第一轿厢轮、第二轿厢轮、导向轮，且钢带的第二端头与主动轮固定连接；主动轮由驱动电机驱动转动。
在本发明提供的通过钢带卷绕的电梯传动系统中，还具有这样的特征：其中，钢带的第二端头开设有钢带连接孔；主动轮包含可拆卸连接的轮主体和压块；轮主体具有轴部，轴部设有连接空腔，轴部的两端设置有凸缘，轴部上端面为平面，轴部上端面向下开设有轴部连接孔；压块的上端面为圆弧面，下端面为平面，压块开设有从上端面贯穿至下端面的压块连接孔；压块连接孔、轴部连接孔、钢带连接孔的位置相对应；钢带的第二端头压合在压块的下端面与轴部上端面之间，且压块、钢带、轴部通过连接组件连接固定。
在本发明提供的通过钢带卷绕的电梯传动系统中，还具有这样的特征：其中，压块与轴部连接固定后，主动轮的轴侧面构成圆柱面。
在本发明提供的通过钢带卷绕的电梯传动系统中，还具有这样的特征：其中，压块与轴部连接固定后，主动轮的轴侧面构成圆柱面。
在本发明提供的通过钢带卷绕的电梯传动系统中，还具有这样的特征：其中，连接组件的高度小于压块连接孔、轴部连接孔、钢带连接孔三者孔径深度之和。
在本发明提供的通过钢带卷绕的电梯传动系统中，还具有这样的特征：其中，连接组件为内六角螺钉组件或销钉组件。
在本发明提供的通过钢带卷绕的电梯传动系统中，还具有这样的特征：其中，轴部连接孔的数量为二个，二个轴部连接孔沿轴向分布； 钢带连接孔的数量为二个，二个钢带连接孔与二个轴部连接孔位置一一对应；压块连接孔的数量为二个，二个压块连接孔与二个轴部连接孔位置一一对应。
在本发明提供的通过钢带卷绕的电梯传动系统中，还具有这样的特征：其中，第一轿厢轮、第二轿厢轮均固定在轿厢的顶面。
在本发明提供的通过钢带卷绕的电梯传动系统中，还具有这样的特征：其中，第一轿厢轮、第二轿厢轮均固定在轿厢的底面。
本发明的作用和效果：
本发明的通过钢带卷绕的电梯传动系统，钢带的第二端头与主动轮固定连接，去除了传统电梯传动系统中的对重，可大大节约电梯井道空间。此外，钢带与主动轮之间为绕卷方式，而不是传统的钢带与曳引轮摩擦作用，可消除该摩擦噪音。
附图说明
图1是本发明的实施例中通过钢带卷绕的电梯传动系统的结构示意图；
图2是本发明的实施例中主动轮与钢带第二端头的安装示意图；
图3是本发明的实施例中主动轮的中间位置的剖面图(不包含内六角螺栓组件)；
图4是本发明的实施例中主动轮与钢带第二端头安装固定后的示意图；
图5是本发明的实施例中主动轮转动时绕卷钢带的示意图。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，以下实施例结合附图对本发明通过钢带卷绕的电梯传动系统作具体阐述。
<实施例>
本实施例的通过钢带卷绕的电梯传动系统安装在井道中。在井道内设置有安装架，安装架为钢结构支架，用于整个电梯系统的安装固定，在电梯井道内通过设置安装架来安装电梯系统是现有技术的常规做法，本实施例安装架即采用现有的常规安装架结构，对此不再详细阐述，安装架在图1中未示意。
如图1所示，本实施例的通过钢带卷绕的电梯传动系统包括：驱动电机(图中未示)、主动轮1、导向轮2、第一轿厢轮4、第二轿厢轮3、钢带5、轿厢6、固定机构7。
第一轿厢轮4、第二轿厢轮3均固定在轿厢6上。第一轿厢轮4和第二轿厢轮3可以是固定在轿厢的顶面的轿厢顶轮，第一轿厢轮4和第二轿厢轮3也可以是固定在轿厢的底面的轿厢底轮，此两种轿厢轮形式都能够适用于本发明的通过钢带卷绕的电梯传动系统。在本实施例中采用如图1所示的形式：第一轿厢轮4和第二轿厢轮3均固定在轿厢的顶面。第一轿厢轮4、第二轿厢轮3与轿厢的连接固定方式，可采用常规的焊接方式或螺栓连接方式。
主动轮1、导向轮2、固定机构7分别固定在安装架上。三者的 位置如图1所示，固定机构7位于轿厢6的一侧上方，导向轮2和主动轮1位于轿厢的另一侧上方，且主动轮1的位置高于导向轮2的位置。
钢带5的第一端头固定在固定机构7上，如图1所示，钢带5从右至左依次绕过第一轿厢轮4的底部、第二轿厢轮3的底部、导向轮2的侧面，且钢带5的第二端头与主动轮1固定连接。
如图2和图3所示，主动轮1包含可拆卸连接的轮主体和压块15。轮主体具有轴部11，轴部11的两端设置有凸缘12。轴部11设有连接空腔13，连接空腔具有键槽部分131。轴部11上端面为平面，轴部上端面向下开设有二个轴部连接孔111，该二个轴部连接孔111沿轴向分布。压块15的上端面为圆弧面，下端面为平面，压块开设有从上端面贯穿至下端面的二个压块连接孔151，二个压块连接孔151与二个轴部连接孔111位置一一对应。
如图2所示，钢带5的第二端头设置有与轴部上端面尺寸相适配的弯折部分，且开设有二个钢带连接孔51，该二个钢带连接孔与二个轴部连接孔111位置一一对应。
钢带5的第二端头压合在压块下端面与轴部上端面之间，且压块15、钢带5、轴部11通过连接组件连接固定。连接组件可采用内六角螺钉组件或销钉组件。连接组件的高度小于压块连接孔、轴部连接孔、钢带连接孔三者孔径深度之和。在本实施例中连接组件14采用内六角螺钉组件(包含内六角螺钉及垫片)，相应地，轴部连接孔111、压块连接孔151设置为与之相配合的螺纹孔。如图3所示，压块15 与轴部11连接固定后，主动轮1的轴侧面构成一个完整的圆柱面。钢带5与主动轮1的安装固定情况如图4所示，钢带5的第二端头压合在压块下端面与轴部上端面之间，钢带的延长部分位于主动轮1的两个凸缘12形成的钢带槽之间，内六角螺钉组件埋于主动轮1轴侧面之下，不影响钢带轮的绕卷。
主动轮1由驱动电机(图中未示)驱动转动，驱动电机接入电梯专用电气控制系统，由电气控制系统控制其工作，该电梯专用电气控制系统采用现有技术的电梯专用电气控制系统。电机转轴与主动轮1通过键连接驱动，驱动电机和主动轮1安装在同一机座壳体内，其安装方式与现有技术中驱动电机和曳引轮安装在同一机座壳体内的形式相同，再通过机座壳体由焊接方式或螺栓连接方式固定在安装架上。
导向轮2采用带有钢带槽的常规导向轮。导向轮2、固定机构7由焊接方式或螺栓连接方式固定在安装架上。固定机构7与钢带第一端头固定连接，其连接方式可采用如钢带第二端头这样的由压块压合并螺栓连接锁紧的固定方式，也可采用焊接方式等其他的常规连接方式，固定机构7可根据实际情况采用两个矩形压块压合钢带并螺栓连接，也可采用钢块与钢带焊接。
本实施例的通过钢带卷绕的电梯传动系统中钢带的尺寸根据电梯轿厢的实际情况来设置，主动轮1、导向轮2、第一轿厢轮4、第二轿厢轮3、固定机构7的尺寸根据钢带情况来设置。主动轮1、导向轮2、第一轿厢轮4、第二轿厢轮3、固定机构7均采用钢材质制 成。
本实施例的通过钢带卷绕的电梯传动系统的工作原理如下：
如图1、图4、图5所示，当主动轮1呈图中箭头方向转动时，钢带由图4所示状态绕卷为图5所示状态，此时钢带第二端收紧，轿厢上升，钢带绕卷圈数增多则轿厢继续上升；当主动轮1为反方向转动时，收卷的钢带将逐步展开，轿厢下降。通过电气控制系统控制驱动电机的转动方向及转速，可实现轿厢上下往复运动。
本实施例的通过钢带卷绕的电梯传动系统去除了传统电梯传动系统中的对重，可大大节约电梯井道空间；此外，钢带与主动轮之间为绕卷方式，而不是传统的钢带与曳引轮摩擦作用，可消除该摩擦噪音。
上述实施方式为本发明的优选案例，并不用来限制本发明的保护范围。凡在本发明的精神和原则之内所作的任何修改、等同替换、改进等，均包含在本发明的保护范围内。

Claims (8)

  1. 一种通过钢带卷绕的电梯传动系统，设置在井道中，所述井道内设置有安装机架，其特征在于，包括：驱动电机、主动轮、导向轮、第一轿厢轮、第二轿厢轮、轿厢、钢带、固定机构，
    其中，所述第一轿厢轮、所述第二轿厢轮均固定在所述轿厢上；
    所述主动轮、所述导向轮、所述固定机构分别固定在所述安装机架上，且位于所述轿厢的上方；
    所述钢带的第一端头固定在所述固定机构上，所述钢带依次绕过所述第一轿厢轮、所述第二轿厢轮、所述导向轮，且所述钢带的第二端头与所述主动轮固定连接；
    所述主动轮由所述驱动电机驱动转动。
  2. 如权利要求1所述的通过钢带卷绕的电梯传动系统，其特征在于：
    其中，所述钢带的第二端头开设有钢带连接孔；
    所述主动轮包含可拆卸连接的轮主体和压块；
    所述轮主体具有轴部，所述轴部设有连接空腔，所述轴部的两端设置有凸缘，轴部上端面为平面，轴部上端面向下开设有轴部连接孔；
    所述压块的上端面为圆弧面，下端面为平面，所述压块开设有从上端面贯穿至下端面的压块连接孔；
    所述压块连接孔、所述轴部连接孔、所述钢带连接孔的位置相对应；
    所述钢带的第二端头压合在所述压块的下端面与所述轴部上端 面之间，且所述压块、所述钢带、所述轴部通过连接组件连接固定。
  3. 如权利要求2所述的通过钢带卷绕的电梯传动系统，其特征在于：
    其中，所述压块与所述轴部连接固定后，所述主动轮的轴侧面构成圆柱面。
  4. 如权利要求2所述的通过钢带卷绕的电梯传动系统，其特征在于：
    其中，所述连接组件的高度小于所述压块连接孔、所述轴部连接孔、所述钢带连接孔三者孔径深度之和。
  5. 如权利要求2或4所述的通过钢带卷绕的电梯传动系统，其特征在于：
    其中，所述连接组件为内六角螺钉组件或销钉组件。
  6. 如权利要求2所述的通过钢带卷绕的电梯传动系统，其特征在于：
    其中，所述轴部连接孔的数量为二个，二个所述轴部连接孔沿轴向分布；
    所述钢带连接孔的数量为二个，二个所述钢带连接孔与二个所述轴部连接孔位置一一对应；
    所述压块连接孔的数量为二个，二个所述压块连接孔与二个所述轴部连接孔位置一一对应。
  7. 如权利要求1所述的通过钢带卷绕的电梯传动系统，其特征在于：
    其中，所述第一轿厢轮、所述第二轿厢轮均固定在所述轿厢的顶面。
  8. 如权利要求1所述的通过钢带卷绕的电梯传动系统，其特征在于：
    其中，所述第一轿厢轮、所述第二轿厢轮均固定在所述轿厢的底面。
PCT/CN2020/112225 2020-07-23 2020-08-28 一种通过钢带卷绕的电梯传动系统 WO2022016665A1 (zh)

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