• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Elevator stop device, configured to be located at one end of an elevator shaft, comprising a tube, a base and a first damper, where the tube is hingedly connected to the base, where the tube is configured to vary its position between a first stable position, corresponding to an inactive state of the device, in which the tube is positioned in a direction perpendicular to the direction of advance of the elevator, and a second stable position, corresponding to an active state of the device, in the which tube is positioned in the forward direction of the elevator; wherein the device comprises interlocking means whose action prevents the device from passing from active to inactive state, where the tube comprises a length such as to ensure a safety distance between the elevator and the end of the elevator shaft. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2597810A2
    申请号:ES201531080
    申请日:2015-07-22
    公开日:2017-01-23
    发明作者:Javier FERNANDEZ ZABALETA；Jon CASTELAR GAINZA
    申请人:Talleres Agui S A；TALLERES AGUI SA；
    IPC主号:
    专利说明:

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    According to a preferred embodiment, the device comprises at least one first cable connected to the tube, where the first cable is configured to activate the device remotely by applying a tension on said first cable.
    The first cable is connected by one end of said first cable, preferably to the first end of the tube. The first cable comprises another end, preferably located next to an access door to the elevator shaft. This allows easy access to the cable from outside the elevator shaft, by an operator.
    The device comprises, in accordance with one embodiment, a pulley through which the first cable runs, where said pulley is fixed at a point inside the elevator shaft.
    According to an embodiment of the elevator stop device, the device comprises at least a second cable attached to each interlocking trigger, wherein said second cable passes through a ring attached to the tube. The second cable is configured to, by applying a tension said second cable, unlock each trigger and deactivate the device when pulling the ring.
    The first cable and the second cable have weights in charge of keeping the cables in an upright position and thus ensuring that the cables are always in the same position inside the pit when the stop is in an inactive situation so that they do not interfere with the path of the elevator car during normal operation of the elevator. Brief description of the figures
    As part of the explanation of at least one preferred embodiment of the elevator stop device, the following figures have been included:
    Figure 1A: Shows a schematic view of a first embodiment of the stopper device, in its retracted or inactive position.
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    Figure 5B: Shows a schematic view of the cable access point for activating and deactivating the remote stop device.
    Figure 5C: Shows a detail view of the pulley for the cables shown in Figure 5A, where the pulley has been positioned on the elevator's counterweight protection screen.
    Figure 6A: Shows a schematic view of the cable hitch point for activating the stopper device, on the free end of the stopper device.
    Figure 6B: Shows a detailed view of the weights provided together with the cables to activate and deactivate the stop device, where the weights are provided to keep the cables in an upright position.
    Figure 6C: Shows a detailed view of the access point, from the door to the elevator shaft, to the cables to activate and deactivate the stop device.
    Figure 7A: Shows a first schematic view of an elevator with gantry type chassis.
    Figure 7B: Shows a second schematic view of an elevator with gantry type chassis.
    Figure 7C: Shows a schematic view of an elevator with “backpack” type chassis.
    Figure 8: Shows a schematic view of different elevators with different chassis and elevator access systems. Detailed description
    The present invention relates, as already mentioned above, to an elevator stop device
    As shown in Figure 1A, the stopper device comprises, according to a first embodiment thereof, a tube (1), preferably metallic, positioned on a base (2) for fixing to the floor or bottom of the pit of the elevator. A first end (3) of the tube (1) is free, while a second end (4) of the tube
    (one)  It is jointly connected to the base (2) of the device. The device comprises a first shock absorber (5) and a second shock absorber (6). The first shock absorber (5) is located in correspondence with the first end (3) of the tube (1), and the second shock absorber (6) is located in proximity to the second end (4) of the tube (1).
    The device, as shown in Figure 1A, is deactivated (in its retracted or inactive position). In this way, the device occupies a minimum position at the bottom of the pit of the elevator shaft, and offers its second shock absorber
    (6)  pointing up (or in the direction of the elevator).
    The second shock absorber (6) is configured to dampen the eventual impacts of the elevator car on the bottom of the elevator pit, during normal operation of the elevator.
    The dampers are made of a material that absorbs the energy of impacts and dampens such impacts. Preferably the shock absorbers are made of rubber.
    Figure 1B shows the stopper device, according to its first embodiment shown in Figure 1A, but in this case the device is activated (in its active or deployment position). In this case, the device offers its first shock absorber (5) pointing upwards (or in the direction of the elevator).
    The first damper (5) is configured to dampen the eventual impacts of the elevator car on the stop device, when the stop device is in its active position, due to repair or maintenance work taking place in the elevator shaft, where an operator can be found in said pit.
    As can be seen by observing Figures 1A and 1B, the stopper device has the peculiarity that both the first shock absorber (5) (in the active position of the device) and the second shock absorber (6) (in the inactive position of the device)
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    Figure 2A shows a second embodiment of the stopper device, in its inactive position. Figure 2B shows the stopper device (according to said second embodiment) in its active position.
    The second embodiment of the stopper device shown in Figures 2A and 2B is very similar to the first embodiment shown in Figures 1A and 1B, except for the length of the base (2) of the stopper device, the length of the crank
    (11) and the location of the second shock absorber (6) on the tube (1) of the device.
    As previously mentioned, in many buildings there is a problem of space available on the floor, which often makes the base or bottom of the pit of the elevator shaft have very limited dimensions. To this fact must be added the fact that the impact point of the normal operating shock absorber of the elevator may have been designed so that it is approximately in the center of the base of the elevator car (and therefore approximately in correspondence with the center of the base or bottom of the pit). As also mentioned above, it is desirable that the impact point (on the elevator car) of the stop to generate a shelter space coincides with the impact point (on the elevator car) of the normal operating shock absorber.
    Taking into account the situation described in the previous paragraph, it can be seen that, in a pit whose maximum plan size is equal to the length of the stopper device, the embodiment shown in Figures 1A and 1B would not be appropriate to solve said situation, in such a way that the impact point of the first shock absorber (5) could be matched with the impact point of the second shock absorber (6) of the device. In fact, this situation would require (in order to use the device according to the embodiment shown in Figures 1A and 1B) that the second end (4) of the tube (1) be positioned in the center of the base or bottom of the pit, which would require that the maximum plan size of the base or bottom of the pit be twice what it is in fact.
    Since the dimensions of the pit bottom are a magnitude that is given (and cannot be modified), and since what is intended to be avoided is having to reconfigure the entire cabin system and the elevator chassis, the second form is provided of embodiment of the stopper device, shown in Figures 2A and 2B.
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    Thus, as described in the previous two paragraphs, to change between an embodiment and other embodiments of the device, it would be sufficient to exchange the base (2) and the crank (11) of the device, keeping the other parts .
    Figure 3A shows the direction of the force (F) to be applied to move the device from its inactive (horizontal) position to its active (vertical) position. Figure 3A shows the device in its inactive position.
    Figure 3B shows the device in its active position, after being activated by the applied force indicated in Figure 3A.
    To deactivate the device, so that it goes from its active position (Figure 3B) to its inactive position (Figure 3A), simply lift the trigger (14) (see arrow in Figure 3C), so that the trigger (14) move from its interlocking position (Figure 3C) to its unlocked position (Figure 3D), releasing the ends of the horizontal axis (7) so that it can run again through the rail (8) of the base (2) of the device, towards a second end of the base (13) of the device. After unlocking the trigger (14), a force (F) (whose direction is opposite to that shown in Figure 3A, see Figure 3B) is applied on the first end (3) of the tube (1), to move the tube ( 1) from its vertical position to its horizontal position.
    The activation and deactivation of the device can be executed manually or automatically by a remote control system (comprising motorization means, not shown in the figures).
    In either case, the device provides an embodiment in which the activation and deactivation of the device is carried out by means of cables and at least one pulley.
    Figure 4A shows a first cable (15) attached to the first end (3) of the tube (1), where the application of a tension (T) (whose direction of application is represented by an arrow) causes the device to pass from your inactive position to your active position. Figure 6A shows a detail of the connection of the first cable (15) to the first end (3) of the tube (1).
    Figure 4B shows a second cable (16), used to move the device from its active position to its inactive position. As can be seen in Figure 4B, the second cable is attached to the interlocking trigger (14) and passes through a ring (17) attached to the tube (1). To deactivate the device, after applying a voltage to the second cable (16), the second cable begins by unlocking the trigger (14) and, subsequently, by the pressure exerted on the ring (17), causing the tube (1) to pass from its vertical position to its horizontal position.
    Figure 4C (corresponding to a left side view of Figure 4B) shows a detail of the second cable (16), and its connection to each of the two triggers (14) provided on each side of the base (2) of the device butt
    Figure 5A shows a view of the stop device located at the bottom of the pit, in its inactive position, and the cable system connected to the stop device, where the cables pass through a pulley (18) that is located on the screen of elevator counterweight protection (see Figure 5C). On the floor of the pit, it can be seen that the cables are provided with weights (19) that serve to keep the cables upright and make the cables always occupy the same place in the elevator shaft in the inactive situation of the device . Said weights (19) are shown in greater detail in Figure 6B.
    Figure 5B shows a view of the access point (20) of the cables, located in the pit, just below the door that gives access, from the outside, to the elevator shaft (the elevator access door when it is In use). This access point (20) to the cables can be seen in greater detail in Figure 6C. Through this type of access it is possible to activate and deactivate manually, by an operator, the stop device, without the need for the operator to enter the elevator shaft to activate the device (which results in greater safety for the operator). The operator, located outside the elevator shaft, just has to put his hand in the elevator shaft and grab the cables under the door.
    Figure 5C shows a detail of the pulley (18), located on the elevator counterweight protection screen.
    Figures 7A and 7B show two conventional elevators, with chassis (21) of gantry type that runs along guides (22) that are located on the sides of the cabin, in a plane parallel to the plane where the door is located of access to the elevator. Boarding can only be done in front or behind.
    Figure 7C shows a front and side view of a conventional elevator, with "backpack" type chassis (21). The chassis occupies one of the four walls of the cabin, so boarding can be done by any of the other three faces of the cabin.
    Figure 8 shows a schematic view of different elevators with different chassis and elevator access systems (23).
    Listed below are, by way of example, different forms and / or drive systems of the stopper device, depending on the different types of elevator systems.
    For backpack type chassis with guides at the bottom: in this case, only one pulley (18) is necessary to activate the stopper. The pulley (18) is located at the top of the protective screen of the counterweight, and the collection cable goes directly to the door.
    For backpack type chassis with guides on one side: the drive system (activation / deactivation) of the stopper device is the same as in the case mentioned in the previous paragraph.
    For gantry type chassis: the cable system goes directly to the door, and it is not necessary to provide any pulley.
    In backpack-type chassis, the point of impact between the chassis and the normal operating shock absorber of the elevator is positioned very close to the wall of the elevator shaft. For this reason, when using the stopper device object of the present invention, it is preferable to use an embodiment of the device in which the second shock absorber (6) is as close as possible to the second end (4) of the tube (1 ). Taking this into account, and taking into account the principle that the impact point of the normal operating shock absorber must be the same as the impact point of the stop to generate the shelter (for the stop device object of the present invention, the point of impact of the first shock absorber (5) and the second shock absorber (6) must be the same), this means that preferably the struts or cables of the stopper device are as short as possible.
    In the gantry type chassis, the point of impact is approximately in the center of the cabin. Therefore, when using the stopper device object of the present invention, it is preferable to use the embodiment in which the second shock absorber (6) is approximately in correspondence with half the length of the tube (1). The height of the tube (1) used typically varies depending on the needs of each client or user. According to the Standard, sufficient space must be secured in the pit to house a safety parallelepiped of dimensions 0.5 * 0.7 * 1 meters, supported by any of its bases. Therefore, depending on the concrete dimensions of the pit in each building, the length of the tube (1) is adapted to each case.
    Likewise, the height at which the normal operating shock absorber of the elevator is conventionally is a function of the depth of the pit. Therefore, when using the stopper device object of the present invention, without support or pedestal (as seen in the figures), the height would be the minimum possible; Depending on the needs of each user, a stand or stand can give height to the stopper.
    As already advanced, despite not being represented in the figures, it is expected that an automatic system that uses a motor, a hydraulic drive or a pneumatic drive (to name a few examples), serves to drive (activate / deactivate) the stopper device object of the present invention.
    The stopper device preferably comprises electrical safety contacts, which allow the active and inactive positions of the device to be controlled. Thus, in combination with the electric maneuver of the elevator, the safety of the maintenance workers of the elevator is guaranteed, which can operate the device in full conditions of statutory safety, both in normal operation and in a maintenance maneuver situation. The electrical contacts send a signal
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    upward travel of the elevator car) and an impact point in the elevator car, in the inactive position of the stopper during normal operation of the elevator.
    权利要求:
    Claims (1)
    [1]
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    同族专利:
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    引用文献:
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    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201531080A|ES2597810B1|2015-07-22|2015-07-22|ELEVATOR BUMPER DEVICE|ES201531080A| ES2597810B1|2015-07-22|2015-07-22|ELEVATOR BUMPER DEVICE|
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