WO2018177378A1 - 自动升降救援设备 - Google Patents

自动升降救援设备 Download PDF

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Publication number
WO2018177378A1
WO2018177378A1 PCT/CN2018/081122 CN2018081122W WO2018177378A1 WO 2018177378 A1 WO2018177378 A1 WO 2018177378A1 CN 2018081122 W CN2018081122 W CN 2018081122W WO 2018177378 A1 WO2018177378 A1 WO 2018177378A1
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WO
WIPO (PCT)
Prior art keywords
rescue
rope
moving member
unit
automatic lifting
Prior art date
Application number
PCT/CN2018/081122
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English (en)
French (fr)
Inventor
陈柏苍
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厦门安利倍特设备有限公司
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Publication date
Application filed by 厦门安利倍特设备有限公司 filed Critical 厦门安利倍特设备有限公司
Publication of WO2018177378A1 publication Critical patent/WO2018177378A1/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
    • B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
    • 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
    • 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
    • B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators

Definitions

  • This invention relates to an elevator system, and more particularly to an automatic lifting and rescue apparatus that can lower an elevator car when needed to disengage personnel in the elevator car.
  • the elevator system is placed straight across the floors of several floors and can be used to transport people or goods to the floor to be accessed.
  • an elevator car used to carry people or cargo will be urgently stopped, and may be suspended between two adjacent floors, so that it is necessary to wait.
  • the professional enters the engine room of the elevator system and manually rotates a crank handle to drive the elevator car down to the nearest floor, so that the personnel in the elevator car can be relieved, and if it is unable to wait for a long time.
  • rescue it is necessary to forcibly destroy an elevator door by firefighters, so that the personnel in the elevator car can climb up or down to the adjacent floor, and then the elevator car can be rescued by crossing the elevator door. Not only is it dangerous and it can also cause damage to the elevator. Therefore, elevator operators are not striving to develop a rescue device that can hang down the elevator car when it is needed.
  • the automatic lifting rescue device of the present invention is suitable for being installed in an elevator system, the elevator system comprising an elevator car, a counterweight unit, and a traction unit that interlocks the elevator car with the counterweight unit for lifting and lowering
  • the traction unit has a hoisting rope, and a hoisting machine having a suspension section slidably suspending the elevator car, and one extending from one end of the suspension section to the connection a weighting unit and a traction section that can be driven by the traction machine
  • the automatic lifting rescue device comprising a rescue rope for connecting the other end of the suspension section of the hoisting rope, one for slidably hanging a straight moving member for hanging the rescue rope on the rescue rope, and a rescue unit connected to the straight moving member and operable to drive the straight moving member to move up and down
  • the rescue unit includes a power source;
  • the rescue unit can operate in a normal mode and a rescue mode. In the normal mode, the straight moving member is moved to a lower position and the rescue rope is pulled
  • the rescue unit further includes a connecting line connecting the straight moving member and extending downward, and a winding line positioned under the straight moving member and releasably retracting the connecting line
  • the connecting line is retracted by the reel, and the straight moving member is adjacent to the reel, and the reel unit is in the rescue mode, the reel is The power source drives the release of the connecting wire and moves the straight moving member away from the reel.
  • the rescue unit further includes a reduction gear set interposed between the power source and the reel.
  • the straight moving member is a pulley for slidably fitting the rescue rope to the outer peripheral surface.
  • the rescue unit further includes a guide rail for guiding the straight moving member to move up and down.
  • the rescue unit further includes a slider connected to the straight moving member and slidably mounted on the guide rail.
  • the rescue unit further includes at least one worm extending vertically upwardly and rotatable by the power source, and a worm connected to the straight member and movable up and down At least one worm gear.
  • the rescue unit comprises two worms which are parallel and respectively meshed on opposite sides of the worm wheel, one of the worms connecting the power source and being powered by the power source Drive and turn.
  • the automatic lifting rescue device of the present invention further comprises a guide wheel set above the straight moving member, the rescue rope having a guide wheel extending from the other end of the suspension segment a set of turning sections, and an actuating section suspended from one end of the turning section and extending in a U-shape and slidably suspended by the straight-moving member.
  • the rescue rope and the traction rope are connected in the same body to form the same steel cable.
  • the beneficial effect of the present invention is that, by the design of the rescue unit, when the rescue is needed, the rescue unit can drive the straight moving member to move upward and release the rescue rope for descending the elevator car to It is flushed to a nearest floor so that the people in the elevator car can be rescued and rescued.
  • FIG. 1 is an incomplete perspective view showing a first embodiment of the automatic lifting rescue device of the present invention applied to a state installed in an elevator system;
  • FIG. 2 is a schematic view showing a state of connection between the first embodiment and the elevator system, and a rescue unit of the first embodiment is in a normal mode;
  • Figure 3 is an incomplete enlarged perspective view of the first embodiment of the automatic lifting rescue device of the present invention.
  • Figure 4 is a view similar to Figure 2, illustrating that the rescue unit of the first embodiment is in a rescue mode
  • Figure 5 is an incomplete perspective view showing a second embodiment of the automatic lifting rescue device of the present invention applied to a state installed in the elevator system;
  • Figure 6 is a schematic view of a simple mechanism illustrating the connection state of the second embodiment with the elevator system, the rescue unit of the second embodiment being in the normal mode;
  • Figure 7 is an incomplete enlarged perspective view of the second embodiment of the automatic lifting rescue device of the present invention.
  • Figure 8 is a view similar to Figure 6 illustrating the rescue unit of the second embodiment in the rescue mode.
  • a first embodiment of the automatic lifting rescue device 2 of the present invention is suitable for installation in an elevator system 1 which is vertically disposed across floors of several floors. In the middle, it can transport people or goods to the floor where you want to go.
  • the elevator system 1 includes an elevator shaft 11, an elevator car 12, a counterweight unit 13, and a traction unit 14.
  • the hoistway 11 defines an installation space 15 for the elevator car 12, the counterweight unit 13, and the traction unit 14.
  • One side of the elevator shaft 11 is provided with a plurality of elevator doors (not shown) corresponding to the floors and capable of opening and closing.
  • the elevator car 12 has a hollow body 121 that can be used to carry people or goods, and a plurality of movable pulleys 122 mounted on the bottom of the car body 121.
  • the movable pulley 122 can also be installed.
  • the elevator car 12 is provided with only one movable pulley 122 mounted on the top of the car 121.
  • the counterweight unit 13 is adapted to balance the relative load of the elevator car 12.
  • the traction unit 14 has a hoisting rope 141 and a hoisting machine 142.
  • the hoisting rope 141 has a suspension section 143 that slidably slid downwardly around the movable pulley 122 and is used to suspend the elevator car 12, and one end of the suspension section 143 is connected to The drag section 144 of the counterweight unit 13.
  • the traction machine 142 is mounted on the top of the elevator shaft 11 and is wound around the traction section 144, and is operable to frictionally move the traction rope 141 for conveying and transmitting power to interlock the elevator car 12
  • the counterweight unit 13 is lifted in the opposite direction.
  • the automatic lifting and rescue device 2 includes a guide wheel set 3 positioned above one side of the elevator car 12, a suspension section 143 for connecting the traction rope 141 and bypassing the guide wheel set 3
  • the rope 4 a straight moving member 5 for slidably hanging on the rescue rope 4, and a rescue unit 6 connected to the straight moving member 5 and operable to drive the straight moving member 5 to move up and down.
  • the guide wheel set 3 has two guide wheels 31. It is to be noted that the number of the guide wheels 31 is not limited to two, and in other embodiments, it may be one, three, or the like.
  • the rescue rope 4 has a steering section 41 that extends away from the guide wheel 31 by the other end of the suspension section 143 away from the traction machine 142, and a U-shaped downwardly suspended from one end of the steering section 41. And an actuating section 42 for the slidable suspension of the straight-moving member 5. One end of the actuating section 42 away from the diverting section 41 is fixed upwardly at a fixed position (not shown), such as the top of the hoistway 11.
  • the rescue rope 4 and the hoisting rope 141 are connected in the same body to form the same steel cable.
  • the straight-moving member 5 is a pulley for slidably fitting the rescue rope 4 to the outer peripheral surface.
  • the straight-moving member 5 may also be a block formed with a wire slot, as long as The rescue rope 4 is slidably provided.
  • the rescue unit 6 includes a guide rail 61 extending vertically upward and downward, a slider 62 connected to the straight moving member 5 and slidably mounted on the guide rail 61, and a connecting bracket 5 and extending downward. a connecting wire 63, a reel 64 rotatably mounted under the guide rail 61 for releasably retracting the connecting wire 63, a power source 65 operable to provide power, and an intermediate connection A reduction gear set 66 between the power source 65 and the reel 64.
  • the reel 64 can release the maximum length of the connecting wire 63 to the height of one floor. In the first embodiment, the length of the connecting wire 63 which can release the height corresponding to a half floor is taken as an example.
  • the rescue unit 6 is configured to guide the straight moving member 5 to move up and down.
  • the configuration may be changed.
  • the number of the guide rail 61 and the slider 62 may be increased.
  • the arrangement of the slider 62 and the direct-moving member 5 are directly slidably disposed in the guide rail 61, or the direct-moving member 5 is directly driven by a hydraulic rod or a pneumatic rod, so the design is not the first implementation. The example is limited.
  • the rescue unit 6 can operate in a normal mode and a rescue mode.
  • the rescue unit 6 When the elevator system 1 is in normal operation, the rescue unit 6 is in the normal mode, and the power source 65 is in a closed state, and the connection line 63 is The reel 64 is retracted such that the straight-moving member 5 is located at a position below and adjacent to the reel 64, and the rescue rope 4 is not released, that is, the hoisting rope 141 is not extended.
  • the suspension section 143 is connected to one end of the rescue rope 4 to become a fixed end of the traction rope 141.
  • the elevator car 14 can be driven by the traction unit 14 to move up and down with the counterweight unit 13
  • the elevator car 12 can be accurately and evenly parked at the corresponding floor.
  • the hoisting machine 142 stops operating to prevent the elevator car 12 from falling, and the suspension section 143 is connected to one end of the traction section 144 to become the hoisting rope 141.
  • the fixed end if it is encountered that the elevator car 12 just stops between the two floors, causing the personnel to smoothly enter and exit the corresponding floor, the rescue unit 6 can be controlled to enter the rescue mode, as shown in FIG.
  • the power source 65 is activated to release the connecting line 63, and the load that is hanged down by the elevator car 12 will automatically drive the hoisting rope 141 to move the rescue rope 4, and the rescue rope 4 is released and released.
  • the rescue rope 4 moves through the guide wheel set 3 to become a part of the suspension section 143, that is, the hoisting rope 141 can be relatively extended, which not only moves the straight moving member 5 upward to an upper position, but also
  • the elevator car 12 is slowly lowered and lowered.
  • the power source 65 is stopped, and the elevator is stopped.
  • the car 12 is flushed to the corresponding floor, which is convenient for people. The staff successfully got out of trouble.
  • the rescue unit 6 can be controlled to return to the normal mode, that is, as shown in FIG. 2, the power source 65 is activated to reversely retract the connecting line 63 to pull the straight moving member 5 downward. Moving to the vicinity of the reel 64, pulling back the rescue rope 4 released before, repositioning the automatic lifting rescue device 2, and raising the elevator car 12 to the original power failure or the elevator system 1 is faulty. It is docked between the two floors. After the power is restored or the fault is removed, the elevator system 1 can continue to be used, and the automatic lifting and rescue device 2 can also be in the normal mode for the next rescue.
  • a second embodiment of the automatic lifting rescue device 2 of the present invention has substantially the same configuration as the first embodiment, and the difference lies in the configuration of the rescue unit 6 of the second embodiment.
  • the rescue unit 6 includes two worms 67 extending in parallel and extending straight up and down, a worm gear 68 connecting the straight moving member 5 and being movable up and down between the worms 67, and a connecting worm The power source 65 of one of the 67s. It is to be noted that the number of the worms 67 is not limited to two, and may be one in other variations of the second embodiment.
  • the rescue unit 6 When the rescue unit 6 is in the normal mode, the power source 65 is in a closed state, the worm wheel 68 is in a position opposite to the lower side, and the rescue rope 4 is suspended downward without being released.
  • the rescue unit 6 can be manipulated to enter the rescue mode, as shown in FIG. 8, the power source 65 is activated.
  • the worm 67 connected to the drive rotates, and the worm wheel 68 is engaged to move the straight moving member 5 upward, releasing the rescue rope 4 to extend the hoisting rope 141, so that the elevator car 12 slowly hangs The drop is lowered until the elevator car 12 is flushed to the nearest floor, which is convenient for the person to get out of trouble.
  • the rescue unit 6 can be controlled to return to the normal mode, as shown in FIG. 6, the elevator car 12 is raised until the original power failure occurs or the elevator system 1 fails to stop at two. The location between the floors to be restored or troubleshooting.
  • the automatic lifting and rescue device 2 of the present invention through the design of the rescue unit 6, can rescue the direct moving member 5 to move upward and release the rescue rope 4 to extend the rescue when the rescue is needed.
  • the hoisting rope 141 is used for descending the elevator car 12 to be flushed to the nearest floor so as to facilitate the rescue of the personnel in the elevator car 12, which is convenient and safe to use, so it can The object of the invention is achieved.

Abstract

一种自动升降救援设备（2），适用于安装在一个电梯系统（1），电梯系统（1）包括一个电梯轿厢（12）、一个配重单元（13），及一个曳引单元（14），曳引单元（14）具有一条曳引绳（141），曳引绳（141）具有一个可滑动地悬吊电梯轿厢（12）的悬吊段（143），及一个由悬吊段（143）的一端连接至配重单元（13）的曳引段（144），自动升降救援设备（2）还包含一条用于连接悬吊段（143）的另一端的救援绳（4）、一个用于可滑动地悬挂在救援绳（4）上的直移件（5），及一个带动直移件（5）上下直向移动的救援单元（6）。需救援时，使救援单元（6）带动直移件（5）向上移动并释出救援绳（4），用于将电梯轿厢（12）垂放下降，以便于让电梯轿厢（12）内的人员顺利脱困获救，具有较佳的使用安全性。

Description

自动升降救援设备 技术领域
本发明涉及一种电梯系统，特别是涉及一种于需要时能使电梯轿厢下降而让该电梯轿厢内的人员脱困的自动升降救援设备。
背景技术
电梯系统是直向的贯穿设置在数层上下间隔的楼层中，能用于运送人员或货物到达所欲进出的楼层。而当发生停电或机械故障等情况时，用来承载人员或货物的一个电梯轿厢即会被紧急煞止，有可能会悬吊在相邻的两层楼层之间，如此一来就需要等待专业人员进入该电梯系统的机房，以手动方式转动一支摇柄，驱使该电梯轿厢下降至最接近的楼层，如此才能让该电梯轿厢内的人员脱困，又若是遇到无法长时等待救援时，就需要通过消防人员强行破坏一个电梯门，使该电梯轿厢内的人员向上或向下攀爬至接近的楼层，再由该电梯轿厢跨越至该电梯门才能获救，此种方式不但危险不便而且也会造成电梯损伤。因此电梯业者莫不努力研发一种在需要救援时可紧急垂降该电梯轿厢的救援设备。
发明内容
本发明的目的在于提供一种至少能够克服先前技术的缺点的自动升降救援设备。
本发明的自动升降救援设备，适用于安装在一个电梯系统，该电梯系统包括一个电梯轿厢、一个配重单元，及一个连动该电梯轿厢与该配重单元反向升降的曳引单元，该曳引单元具有一条曳引绳，及一个曳引机，该曳引绳具有一个可滑动地悬吊该电梯轿厢的悬吊段，及一个由该悬吊段的一端延伸至连接该配重单元且可被该曳引机带动的曳引段，该自动升降救援设备包含一条用于连接该曳引绳的该悬吊段的另一端的救援绳、一个用于可滑动地悬挂在该救援绳上而使该救援绳垂悬的直移件，及一个连接该直移件并可被操作来带动该直移件上下直向移动的救援单元，该救援单元包括一个动力源；该救援单元 可以一个正常模式及一个救援模式操作，在该正常模式时，使该直移件移至一下方位置并拉回该救援绳，在该救援模式时，使该直移件移至一上方位置并释出该救援绳，用于将该电梯轿厢垂放下降。
本发明所述的自动升降救援设备，该救援单元还包括一条连接该直移件且向下延伸的连接线，及一个位在该直移件下方且可释放地卷收该连接线的卷线轮，该救援单元在该正常模式时，该连接线被该卷线轮卷收，而使该直移件向下邻近该卷线轮，该救援单元在该救援模式时，该卷线轮被该动力源驱动释放该连接线，而让该直移件向上远离该卷线轮。
本发明所述的自动升降救援设备，该救援单元还包括一个中介连接于该动力源及该卷线轮间的减速齿轮组。
本发明所述的自动升降救援设备，该直移件为一个供该救援绳可滑动地嵌设于外周面的滑轮。
本发明所述的自动升降救援设备，该救援单元还包括一支用于导引该直移件上下直向移动的导轨。
本发明所述的自动升降救援设备，该救援单元还包括一个连接该直移件且可上下滑移地嵌设于该导轨的滑块。
本发明所述的自动升降救援设备，该救援单元还包括至少一支上下直向延伸且能被该动力源驱动而转动的蜗杆，及一个连接该直移件且能上下移动地啮接于该至少一支蜗杆的蜗轮。
本发明所述的自动升降救援设备，该救援单元包括两支平行且分别啮接于该蜗轮之两相反侧的该蜗杆，所述蜗杆中的其中的一支连接该动力源且被该动力源带动而转动。
本发明所述的自动升降救援设备，该自动升降救援设备还包含一个位在该直移件上方的导轮组，该救援绳具有一个由该悬吊段的该另一端延伸绕过该导轮组的转向段，及一个由该转向段的一端向下垂悬延伸呈U形且供该直移件可滑动地悬挂的作动段。
本发明所述的自动升降救援设备，该救援绳与该曳引绳同体连接成为同一条钢缆。
本发明的有益的效果在于：通过该救援单元的设计，在需要救援时，该救援单元即能带动该直移件向上移动并释出该救援绳，用于将 该电梯轿厢垂放下降至齐平地停靠于一个最接近的楼层，以便于让该电梯轿厢内的人员顺利脱困获救。
附图说明
图1是一不完整的立体示意图，说明本发明自动升降救援设备的一第一实施例适用于安装在一个电梯系统中的状态；
图2是一简单机构示意图，说明该第一实施例与该电梯系统的连接状态，该第一实施例的一个救援单元位在一个正常模式；
图3是一不完整的立体放大图，说明本发明自动升降救援设备的该第一实施例；
图4是类似图2的一视图，说明该第一实施例的该救援单元位在一个救援模式；
图5是一不完整的立体示意图，说明本发明自动升降救援设备的一第二实施例适用于安装在该电梯系统中的状态；
图6是一简单机构示意图，说明该第二实施例与该电梯系统的连接状态，该第二实施例的该救援单元位在该正常模式；
图7是一不完整的立体放大图，说明本发明自动升降救援设备的该第二实施例；及
图8是类似图6的一视图，说明该第二实施例的该救援单元位在该救援模式。
具体实施方式
下面结合附图及实施例对本发明进行详细说明：
为了方便说明，以下的实施例，类似的组件以相同的标号表示。
参阅图1、图2与图3，本发明自动升降救援设备2的一第一实施例，适用于安装在一个电梯系统1，该电梯系统1是直向的贯穿设置在数层上下间隔的楼层中，能运送人员或货物到达所欲进出的楼层。该电梯系统1包括一个电梯井11、一个电梯轿厢12、一个配重单元13，及一个曳引单元14。
该电梯井11界定出一个供该电梯轿厢12、该配重单元13，及该曳引单元14设置的安装空间15。该电梯井11之一侧设有数个分别对应所述楼层且能开合的电梯门口(图未示)。
该电梯轿厢12具有一个中空且能用于承载人员或货物的厢体121，及数个安装于该厢体121底部的动滑轮122，当然在其他变化态样中，所述动滑轮122也可以安装在该厢体121顶部或是改变数量，例如该电梯轿厢12仅设置一个安装在该厢体121顶部的该动滑轮122。
该配重单元13适用于平衡该电梯轿厢12的相对荷重。
该曳引单元14具有一条曳引绳141，及一个曳引机142。该曳引绳141具有一个可滑动地向下绕过所述动滑轮122而呈U形且用于悬吊该电梯轿厢12的悬吊段143，及一个由该悬吊段143的一端连接至该配重单元13的曳引段144。该曳引机142安装于该电梯井11顶部且供该曳引段144圈绕，可被操作来摩擦带动该曳引绳141移动，用于输送及传递动力，以连动该电梯轿厢12与该配重单元13反向升降。
该自动升降救援设备2包含一个位在该电梯轿厢12之一侧上方的导轮组3、一条用于连接该曳引绳141的该悬吊段143且绕过该导轮组3的救援绳4、一个用于可滑动地悬挂在该救援绳4上的直移件5，及一个连接该直移件5并可被操作来带动该直移件5上下直向移动的救援单元6。
该导轮组3具有两个引导轮31，要注意的是所述引导轮31的数目并不限于两个，在其他实施例中，也可以是一个、三个…等。
该救援绳4具有一个由该悬吊段143远离该曳引机142的另一端延伸绕过所述引导轮31的转向段41，及一个由该转向段41的一端向下垂悬延伸呈U形且供该直移件5可滑动地悬挂的作动段42。该作动段42远离该转向段41的一端是向上固定于一个固定处(图未示)，例如该电梯井11的顶部。本第一实施例之该救援绳4与该曳引绳141同体连接成为同一条钢缆。
该直移件5为一个供该救援绳4可滑动地嵌设于外周面的滑轮，当然在其他变化例中，该直移件5也可以是一个形成有一条线槽的块体，只要可供该救援绳4可滑动地设置即可。
该救援单元6包括一支上下直向延伸的导轨61、一个连接该直移件5且可上下滑移地嵌设于该导轨61的滑块62、一条连接该直移件5且向下延伸的连接线63、一个可转动地安装在所述导轨61下方且 用于可释放地卷收该连接线63的卷线轮64、一个可被操作而提供动力的动力源65，及一个中介连接于该动力源65及该卷线轮64间的减速齿轮组66。该卷线轮64可释放该连接线63的最大长度为一层楼的高度，在本第一实施例中是以可释放相当于半层楼高度的该连接线63长度为例来说明。该救援单元6是用于导引该直移件5上下直向移动，在本第一实施例的其他变化例中也可以改变构造，例如增加该导轨61与该滑块62的数量，省略该滑块62的设置并将该直移件5直接可滑移地设置在该导轨61内，或是直接利用液压棒或气压棒来带动该直移件5，所以设计上不以本第一实施例为限。
该救援单元6可以一个正常模式及一个救援模式操作，当该电梯系统1在正常运作的过程中，该救援单元6处于该正常模式，且该动力源65呈关闭状态，该连接线63被该卷线轮64卷收，使得该直移件5位在相对下方之位置且邻近该卷线轮64，该救援绳4而未被释出，也就是该曳引绳141未被延长，此时该悬吊段143连接该救援绳4之一端即会成为该曳引绳141的固定端，如此一来就可以通过该曳引单元14带动该电梯轿厢12与该配重单元13反向升降，而能使得该电梯轿厢12准确齐平地停靠在所对应的楼层处。
当发生停电或是该电梯系统1故障，该曳引机142停止运作以防止该电梯轿厢12坠落时，该悬吊段143连接该曳引段144之一端即会成为该曳引绳141的固定端，若是遇到该电梯轿厢12恰好停靠在两个楼层之间，造成人员无法顺利地进出所对应楼层的情况时，即可控制该救援单元6进入该救援模式，如图4所示，启动该动力源65释放该连接线63，同时通过该电梯轿厢12向下垂坠的荷重，将会自动驱使该曳引绳141牵动该救援绳4，让该救援绳4释出且释出的该救援绳4移动通过该导轮组3而成为该悬吊段143的一部分，也就是可相对延长该曳引绳141，不但会使该直移件5向上移至一上方位置，还会让该电梯轿厢12缓慢地垂放下降，待该电梯轿厢12下降至下方最接近的楼层，并感测到一个传感器(图未示)时，该动力源65即会停止，让该电梯轿厢12齐平地停靠在所对应的楼层，方便人员顺利地脱困。
而当人员脱困后，即能控制该救援单元6回复到该正常模式，也 就是如图2所示，启动该动力源65反向卷收该连接线63，以拉动该直移件5向下移动至邻近该卷线轮64处，拉回之前释出的该救援绳4，使该自动升降救援设备2复原定位，并使该电梯轿厢12上升至原来发生停电或是该电梯系统1故障时所停靠在两个楼层之间的位置。待恢复电源或故障排除后，该电梯系统1即可继续使用，而该自动升降救援设备2也能处于该正常模式，以备下次救援之需。
参阅图5、图6与图7，本发明自动升降救援设备2的一第二实施例的构造大致相同于该第一实施例，其差别在于：本第二实施例的该救援单元6的构造不同，该救援单元6包括两支平行且上下直向延伸的蜗杆67、一个连接该直移件5且能上下移动地啮接于所述蜗杆67之间的蜗轮68，及一个连接所述蜗杆67中的其中的一支的该动力源65。要注意的是所述蜗杆67的数目不限于两支，在本第二实施例的其他变化态样中，也可以是一支。
该救援单元6处于该正常模式时，该动力源65呈关闭状态，该蜗轮68位在相对下方之位置，该救援绳4向下垂悬而未被释出。当发生停电或是该电梯系统1故障，且该电梯轿厢12恰好停靠在两个楼层之间时，即可操控该救援单元6进入该救援模式，如图8所示，启动该动力源65驱动所连接的该蜗杆67转动，让该蜗轮68被啮转而连动该直移件5往上移动，释出该救援绳4延长该曳引绳141，让该电梯轿厢12缓慢地垂放下降，直到该电梯轿厢12齐平地停靠在最接近的楼层为止，能方便人员脱困。同样地，当人员脱困后，即能控制该救援单元6回复到该正常模式，如图6所示，让该电梯轿厢12上升至原来发生停电或是该电梯系统1故障时停靠在两个楼层之间的位置，以待恢复电源或故障排除。
综上所述，本发明自动升降救援设备2，通过该救援单元6的设计，在需要救援时，该救援单元6即能带动该直移件5向上移动并释出该救援绳4以延长该曳引绳141，用于将该电梯轿厢12垂放下降至齐平地停靠于最接近的楼层，以便于让该电梯轿厢12内的人员顺利脱困获救，使用上相当方便安全，故确实能达成本发明的目的。

Claims (10)

  1. 一种自动升降救援设备，适用于安装在一个电梯系统，该电梯系统包括一个电梯轿厢、一个配重单元，及一个连动该电梯轿厢与该配重单元反向升降的曳引单元，该曳引单元具有一条曳引绳，及一个曳引机，该曳引绳具有一个可滑动地悬吊该电梯轿厢的悬吊段，及一个由该悬吊段的一端延伸至连接该配重单元且可被该曳引机带动的曳引段，其特征在于该自动升降救援设备包含：一条用于连接该曳引绳的该悬吊段的另一端的救援绳、一个用于可滑动地悬挂在该救援绳上而使该救援绳垂悬的直移件，及一个连接该直移件并可被操作来带动该直移件上下直向移动的救援单元，该救援单元包括一个动力源；该救援单元可以一个正常模式及一个救援模式操作，在该正常模式时，使该直移件移至一下方位置并拉回该救援绳而不延长该曳引绳，在该救援模式时，使该直移件移至一上方位置并释出该救援绳以延长该曳引绳，用于将该电梯轿厢垂放下降。
  2. 如权利要求1所述的自动升降救援设备，其特征在于：该救援单元还包括一条连接该直移件且向下延伸的连接线，及一个位在该直移件下方且可释放地卷收该连接线的卷线轮，该救援单元在该正常模式时，该连接线被该卷线轮卷收，而使该直移件向下邻近该卷线轮，该救援单元在该救援模式时，该卷线轮被该动力源驱动释放该连接线，而让该直移件向上远离该卷线轮。
  3. 如权利要求2所述的自动升降救援设备，其特征在于：该救援单元还包括一个中介连接于该动力源及该卷线轮间的减速齿轮组。
  4. 如权利要求2或3所述的自动升降救援设备，其特征在于：该直移件为一个供该救援绳可滑动地嵌设于外周面的滑轮。
  5. 如权利要求2或3所述的自动升降救援设备，其特征在于：该救援单元还包括一支用于导引该直移件上下直向移动的导轨。
  6. 如权利要求5所述的自动升降救援设备，其特征在于：该救援单元还包括一个连接该直移件且可上下滑移地嵌设于该导轨的滑块。
  7. 如权利要求1所述的自动升降救援设备，其特征在于：该救援单元还包括至少一支上下直向延伸且能被该动力源驱动而转动的蜗杆，及一个连接该直移件且能上下移动地啮接于该至少一支蜗杆的蜗轮。
  8. 如权利要求7所述的自动升降救援设备，其特征在于：该救援单元包括两支平行且分别啮接于该蜗轮之两相反侧的该蜗杆，所述蜗杆中的其中的一支连接该动力源且被该动力源带动而转动。
  9. 如权利要求1所述的自动升降救援设备，其特征在于：该自动升降救援设备还包含一个位在该直移件上方的导轮组，该救援绳具有一个由该悬吊段的该另一端延伸绕过该导轮组的转向段，及一个由该转向段的一端向下垂悬延伸呈U形且供该直移件可滑动地悬挂的作动段。
  10. 如权利要求1所述的自动升降救援设备，其特征在于：该救援绳与该曳引绳同体连接成为同一条钢缆。
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