CN211898005U

CN211898005U - Elevator landing door anti-collision active intercepting device

Info

Publication number: CN211898005U
Application number: CN201921917392.2U
Authority: CN
Inventors: 张军
Original assignee: Suzhou Delinbao Elevator Manufacturing Co ltd
Current assignee: Suzhou Delinbao Elevator Manufacturing Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-11-10
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to the field of elevator auxiliary safety devices, and discloses an elevator landing door anti-collision active intercepting device, which comprises a mounting frame and an anti-collision device, wherein the mounting frame is arranged in front of an elevator landing door; the mounting rack is provided with an object detection device and a landing door detection device; the anti-collision device comprises a reversible anti-collision turnover plate arranged on the ground, a vertical electromagnet arranged vertically and a ground electromagnet arranged horizontally; the vertical electromagnet and the ground electromagnet are respectively arranged on two sides of the pedal; two pedals are respectively arranged at two ends of the anti-collision turnover plate; the anti-collision device also comprises a spring support arranged on the ground; a spring is arranged between the pedal and the spring bracket and between the pedals; also includes a control unit; the object detection device, the landing door detection device, the vertical electromagnet and the ground electromagnet are electrically connected with the control unit.

Description

Elevator landing door anti-collision active intercepting device

Technical Field

The utility model relates to a safety device is assisted to the elevator, in particular to elevator layer door anticollision initiative intercepting device.

Background

The elevator landing door is also called a hall door and generally comprises a door, a guide rail frame, a slide rail, a pulley, a door frame, a sill and other parts. The existing elevator landing door is not provided with a protection device, when other objects such as a trolley are close to the elevator landing door, the speed is not reduced timely due to inertia, the elevator landing door is easy to hit, the elevator landing door is deformed and derailed after being hit, when the elevator runs, the elevator is damaged due to the fact that the car hits the derailed part of the landing door, and the danger that the loading trolley hits the landing door and falls into a hoistway can be caused in serious cases.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an elevator layer door anticollision initiative intercepting device, when detecting to have the dolly to be close to elevator layer door, can prevent the dolly to advance, guarantee that the dolly stops completely before being close to elevator layer door, prevent that the dolly from hitting elevator layer door because inertia.

The utility model provides a technical scheme that its technical problem adopted is: an anti-collision active intercepting device for an elevator landing door comprises a mounting frame and an anti-collision device, wherein the mounting frame is arranged in front of the elevator landing door; the mounting rack is provided with an object detection device and a landing door detection device; the anti-collision device comprises a reversible anti-collision turnover plate arranged on the ground, a vertical electromagnet arranged vertically and a ground electromagnet arranged horizontally; two pedals are respectively arranged at two ends of the anti-collision turnover plate; the vertical electromagnet and the ground electromagnet are respectively arranged on two sides of the pedal; the anti-collision device also comprises a spring support arranged on the ground; a spring is arranged between the pedal and the spring bracket; also includes a control unit; the object detection device, the landing door detection device, the vertical electromagnet and the ground electromagnet are electrically connected with the control unit. The spring pulls the pedal to enable the pedal to abut against the vertical electromagnet, and the pedal pulls the anti-collision turning plate to enable the anti-collision turning plate to keep vertical; when the elevator floor is detected to be closed, the equipment enters an alert state, the vertical electromagnet is powered off, the ground electromagnet is powered on, the pedal is adsorbed on the ground electromagnet, and the anti-collision turning plate is embedded in the turning plate groove; when the object detection device detects that a trolley or a person approaches an elevator landing door, the vertical electromagnet is powered on, the ground electromagnet is powered off, the pedal is pulled up by the spring, the pedal drives the anti-collision turning plate to be erected, the pedal is tightly sucked by the vertical electromagnet, and the trolley is intercepted by the anti-collision turning plate so as to stop the trolley; after the landing door is opened, the equipment is disarmed, and the vertical electro-magnet outage, the ground electro-magnet circular telegram, operating personnel steps on the footboard flat for the anticollision is turned over the board and is pasted tight ground, guarantees that the dolly passes through smoothly.

Further, the method comprises the following steps: the object detection means is a safety grating. The object detection device is used for detecting whether an object approaches the elevator landing door or not.

Further, the method comprises the following steps: the landing door detection device is a distance measuring sensor. The elevator landing door is judged to be in an open or closed state by detecting the distance between the laser ranging sensor and the elevator landing door, and signals are fed back to the control unit to control the on-off state of the ground electromagnet.

Further, the method comprises the following steps: the anti-collision turnover plate is hinged to the ground through a hinge; the anti-collision turning plate is provided with a connecting column connected with the pedal.

Further, the method comprises the following steps: the anti-collision turning plate is provided with an anti-pressing block with the same height as the ground electromagnet; the connecting column is arranged on the anti-pressing block. After the operating personnel steps on the footboard level, prevent that the briquetting can step up the footboard, prevent that the footboard from causing the extrusion to the ground electro-magnet, play the effect of protection ground electro-magnet. The anti-collision turning plate is movably connected with the pedal, so that the pressure of a heavy object can be prevented from being transmitted to the pedal through the anti-collision turning plate, and the ground electromagnet is damaged by pressure.

Further, the method comprises the following steps: and one side of the hinge, which is close to the elevator landing door, is provided with a plate turning groove for accommodating the anti-collision turning plate. The anticollision turns over the board and holds when falling in the board inslot that turns over for the anticollision turns over the board and ground parallel and level, guarantees that the dolly can pass through smoothly.

Further, the method comprises the following steps: the ground electromagnet is arranged on the ground of one side of the anti-collision turnover plate, which is close to the elevator landing door. The anticollision turns over the board and falls the back towards elevator one side, and the ground electro-magnet turns over the board with the anticollision and adsorbs subaerial, overcomes the pulling force of spring, avoids the anticollision to turn over the board and is pulled up by the spring, hinders the dolly or takes personnel to get into the elevator.

Further, the method comprises the following steps: the spring support and the vertical electromagnet are arranged on the ground, on one side, far away from the elevator landing door, of the anti-collision turning plate.

Further, the method comprises the following steps: the pedal is hinged on the ground; and the pedal is also provided with a pedal hole for the connecting column to pass through.

Drawings

FIG. 1 is a schematic structural view of an anti-collision active intercepting device of an elevator landing door;

FIG. 2 is a schematic view of the crash barrier in a seated position;

FIG. 3 is a schematic view of an initial position of the bump guard;

FIG. 4 is a schematic view of the turning apparatus installation;

fig. 5 is a circuit connection diagram of the control unit.

Labeled as: 100. an elevator landing door; 110. a mounting frame; 111. an object detecting device; 112. a landing door detection device; 200. an anti-collision device; 210. an anti-collision turnover plate; 211. connecting columns; 212. anti-briquetting; 220. a spring support; 221. tensioning the spring; 230. a vertical electromagnet; 240. a pedal; 241. a pedal hole; 250. a ground electromagnet; 260. and (4) turning over a plate groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 to 5, an active intercepting apparatus for elevator landing door collision avoidance includes a mounting bracket 110 and a collision avoidance apparatus 200 disposed in front of an elevator landing door 100; the mounting rack 110 is provided with an object detection device 111 and a landing door detection device 112; the anti-collision device 200 comprises an anti-collision turning plate 210 which is arranged on the ground and can turn over, a vertical electromagnet 230 which is arranged vertically and a ground electromagnet 250 which is arranged horizontally; the vertical electromagnet 230 and the ground electromagnet 250 are respectively arranged at two sides of the pedal 240; both ends of the anti-collision turning plate 210 are connected with pedals 240; the anti-collision device 200 further comprises a spring bracket 220 arranged on the ground; a spring 221 is arranged between the pedal 240 and the spring bracket 220; also includes a control unit; the object detection device 111, the landing door detection device 112, the vertical electromagnet 230 and the ground electromagnet 250 are all electrically connected with the control unit. The pedal 240 drives the anti-collision turning plate 210 to stand up or fall down, the pedal 240 is made of metal capable of being attracted by a magnet, and a steel plate can be selected as the pedal 240; the anti-collision turnover plate 210 can be made of metal with high hardness, and can be made of galvanized steel plates. The control unit can select a single chip microcomputer or a PLC (programmable logic controller), can also select a relay to directly control the electromagnet, and selects the Siemens 200 series PLC as the control unit in the example.

On the basis of the above, as shown in fig. 1, the object detecting device 111 is a safety light grating. A set of safety gratings are mounted on both sides of the mounting frame 110 for detecting whether an object is near the elevator landing door 100, and a plurality of sets of correlation photoelectric sensors, light curtains or any device capable of detecting whether an object is near can be selected, in this example, a light curtain of type 917a61 of the microclimate is selected.

On the basis of the above, as shown in fig. 1, the landing door detecting device 112 is a distance measuring sensor. It is judged whether the landing door 100 is opened or not by measuring the distance between the landing door sensing device 112 and the landing door 100, and a sensing signal is transmitted to the control unit. The landing door detection device 112 may be any sensor or other device capable of measuring distance, and in this example, an ohilon E3Z-LS61 photoelectric sensor is used to detect whether the landing door 100 is opened.

On the basis, the anti-collision turning plate 210 is hinged to the ground through a hinge; the anti-collision turning plate 210 is provided with a connecting column 211 connected with the pedal 240.

On the basis, as shown in fig. 4, the anti-collision turning plate 210 is provided with an anti-pressing block 212 which has the same height as the ground electromagnet 250; the connecting column 211 is arranged on the pressure prevention block 212. The anti-pressing block 212 is fixedly connected to the anti-collision turning plate 210, and welding or screw connection and other modes can be selected; the thickness of the anti-pressing block 212 is equal to that of the ground electromagnet 250, when the pedal 240 is adsorbed on the ground electromagnet 250, the anti-pressing turning plate 210 is embedded into the turning plate groove 260 and keeps the same height with the ground, the anti-pressing block 212 can heighten the pedal 240 to enable the pedal 240 to be in contact with the ground electromagnet 250, the pedal 240 is prevented from extruding the ground electromagnet 250, and the ground electromagnet 250 is prevented from being damaged. The anti-collision turning plate 210 is movably connected with the pedal 240, so that the pressure of heavy objects can be prevented from being transmitted to the pedal 240 through the anti-collision turning plate 210, and the ground electromagnet 250 is prevented from being damaged by pressure.

On the basis of the above, as shown in fig. 2, one side of the hinge close to the elevator landing door 100 is provided with a flap groove 260 for accommodating the anti-collision flap 210. The depth of the flap groove 260 is equal to the thickness of the anti-collision flap 210, so that the upper surface of the anti-collision flap 210 is flush with the ground after the anti-collision flap 210 is embedded into the flap groove 260, and the anti-collision flap 210 is prevented from blocking a trolley from entering an elevator.

In addition, as shown in fig. 2, the floor electromagnet 250 is disposed on the floor of the floor 240 near the elevator shaft door 100. The ground electromagnet 250 can be selected from various types of electromagnets or electromagnetic force door locks, and in the embodiment, a KOB KT-500M magnetic lock is selected.

On the basis of the above, as shown in fig. 2, the spring bracket 220 and the vertical electromagnet 230 are disposed on the floor on the side of the step plate 240 away from the landing door 100. The vertical electromagnet 230 can be selected from various types of electromagnets or electromagnetic force door locks, and in the example, a KOB KT-500M magnetic lock is selected.

On the basis of the above, the pedal 240 is hinged on the ground; the pedal 240 is further provided with a pedal hole 241 for the connecting column 211 to pass through. The anti-collision turning plate 210 is movably connected with the pedal 240, so that the pressure of heavy objects can be prevented from being transmitted to the pedal 240 through the anti-collision turning plate 210, and the ground electromagnet 250 is prevented from being damaged by pressure.

In the initial state, the elevator landing door 100 is kept closed, the equipment enters the warning state, at the moment, the vertical electromagnet 230 is powered off, the ground electromagnet 250 is powered on, the pedal 240 is adsorbed on the ground electromagnet 250, and the anti-collision turning plate 210 is embedded in the turning plate groove 260; when a trolley or a pedestrian approaches the elevator, the object detection device 111 detects a signal, the ground electromagnet 250 is powered off, the vertical electromagnet 230 is powered on, the pedal 240 is pulled up by the spring 221, the pedal 240 drives the anti-collision turning plate 210 to be pulled up, so that the pedal 240 abuts against the vertical electromagnet 230, the vertical electromagnet 230 sucks the pedal 240 tightly, the anti-collision turning plate 210 is pulled to intercept the trolley, and the trolley is prevented from colliding with the elevator landing door 100; when the landing door detection device 112 detects that the landing door 100 of the elevator is opened, the warning state is released, the vertical electromagnet 230 is powered off, the ground electromagnet 250 is powered on, the operator steps on the pedal 240, and the ground electromagnet 250 attracts the pedal 240, so that the anti-collision turning plate 210 is embedded in the turning plate groove 260; after the landing door 100 is closed, the device is again armed.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an elevator layer door anticollision initiative intercepting device which characterized in that: comprises a mounting rack (110) and an anti-collision device (200) which are arranged in front of an elevator landing door (100); an object detection device (111) and a landing door detection device (112) are arranged on the mounting rack (110); the anti-collision device (200) comprises an anti-collision turning plate (210) which is arranged on the ground and can turn over, a vertical electromagnet (230) which is vertically arranged and a ground electromagnet (250) which is horizontally arranged; two ends of the anti-collision turnover plate (210) are respectively provided with a pedal (240); the vertical electromagnet (230) and the ground electromagnet (250) are respectively arranged on two sides of the pedal (240); the anti-collision device (200) further comprises a spring support (220) arranged on the ground; a spring (221) is arranged between the pedal (240) and the spring support (220); also includes a control unit; the object detection device (111), the landing door detection device (112), the vertical electromagnet (230) and the ground electromagnet (250) are electrically connected with the control unit.

2. The elevator landing door anti-collision active intercepting device according to claim 1, characterized in that: the object detection means (111) is a safety light barrier.

3. The elevator landing door anti-collision active intercepting device according to claim 1, characterized in that: the landing door detection device (112) is a laser ranging sensor.

4. The elevator landing door anti-collision active intercepting device according to claim 1, characterized in that: the anti-collision turnover plate (210) is hinged to the ground through a hinge; the anti-collision turning plate (210) is provided with a connecting column (211) connected with the pedal (240).

5. The elevator landing door anti-collision active intercepting device of claim 4, wherein: the anti-collision turning plate (210) is provided with an anti-pressing block (212) which has the same height as the ground electromagnet (250); the connecting column (211) is arranged on the pressure prevention block (212).

6. The elevator landing door anti-collision active intercepting device of claim 4, wherein: one side of the hinge close to the elevator landing door (100) is provided with a flap groove (260) for accommodating the anti-collision flap (210).

7. The elevator landing door anti-collision active intercepting device according to claim 1, characterized in that: the ground electromagnet (250) is arranged on the ground of one side of the pedal (240) close to the elevator landing door (100).

8. The elevator landing door anti-collision active intercepting device according to claim 1, characterized in that: the spring support (220) and the vertical electromagnet (230) are arranged on the ground on the side, away from the elevator landing door (100), of the pedal (240).

9. The elevator landing door anti-collision active intercepting device of claim 4, wherein: the pedal (240) is hinged on the ground; the pedal (240) is also provided with a pedal hole (241) for the connecting column (211) to pass through.