CN115783929A

CN115783929A - Self-saving elevator and self-saving and trapping-preventing device in power failure

Info

Publication number: CN115783929A
Application number: CN202211580592.XA
Authority: CN
Inventors: 程付理; 吕存军; 朱宇涛; 肖举阳
Original assignee: Anhui Feiintool Elevator Co ltd
Current assignee: Anhui Feiintool Elevator Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-14

Abstract

The invention discloses a power failure self-rescue elevator and a self-rescue and anti-trapping device, which comprise a support shell, a bearing plate and a lifting mechanism, wherein the support shell is provided with an upwardly extending coaming; the bearing plate is arranged on the supporting shell and used for bearing; the lifting mechanism comprises a lifting assembly arranged in the supporting shell and a control assembly arranged on the enclosing plate, the control assembly comprises a control panel and an alarm, the control panel is used for controlling the lifting assembly to drive the bearing plate to move up and down, and the alarm is electrically connected with emergency alarm equipment; a plurality of groups of fixing columns are arranged in the supporting shell, a guide rod penetrates through each group of fixing columns, and the guide rods are connected with the bearing plate; according to the elevator self-rescue escape device, the guide rod drives the bearing plate to move upwards to drive trapped people to move to the landing opening, the trapped people can smoothly leave the elevator car, self-rescue escape is completed, the trapped people are prevented from falling off during self-rescue due to the fact that the elevator is suspended and the floor has a height difference, and the elevator self-rescue escape device is good in safety.

Description

Self-saving elevator and self-saving and trapping-preventing device in power failure

Technical Field

The invention relates to the technical field of elevator self-rescue, in particular to a power failure self-rescue elevator and a self-rescue and trapping-prevention device.

Background

Modern elevators are mainly composed of a traction machine (winch), guide rails, a counterweight, safety devices (such as a speed limiter, a safety gear, a buffer and the like), a signal control system, a car, a hall door and the like. These parts are installed in the hoistway and machine room of the building, respectively. Usually, a steel wire rope is used for friction transmission, the steel wire rope bypasses a traction sheave, two ends of the steel wire rope are respectively connected with a car and a balance weight, and a motor drives the traction sheave to lift the car. The elevator is required to be safe and reliable, high in conveying efficiency, accurate in leveling, comfortable to take and the like. The basic parameters of the elevator mainly include rated load capacity, the number of passengers, rated speed, the overall dimension of the elevator car, the type of the hoistway, and the like.

At present, once the elevator has power failure, internal personnel are easily trapped, and because the elevator car can isolate wireless signals, the trapped personnel can only passively wait for rescue but can not carry out self-rescue.

Disclosure of Invention

The invention aims to provide a power failure self-rescue elevator and a self-rescue and anti-trapping device, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a self-rescue and anti-trapping device comprising:

the supporting shell is provided with an enclosing plate extending upwards;

the bearing plate is arranged on the supporting shell and used for bearing;

lifting mechanism, including setting up lifting unit in the supporting shell, and set up control assembly on the bounding wall, control assembly includes control panel and alarm, control panel is used for controlling lifting unit drive carrier plate elevating movement, the emergent alarm equipment of alarm electric connection.

As a preferable technical solution of the present invention, the carrier plate is disposed on the top of the support housing and covers the support housing.

As a preferred technical scheme of the invention, a plurality of groups of fixing columns are arranged in the supporting shell, a guide rod penetrates through each group of fixing columns, and the guide rods are connected with the bearing plate.

As a preferred technical solution of the present invention, the lifting assembly includes a power source, a first rotating shaft and a second rotating shaft disposed in the supporting housing, the first rotating shaft and the second rotating shaft are respectively rotatably connected to the supporting housing through a bearing assembly, and are respectively connected to at least one set of driving arms, the driving arms are in one-to-one correspondence with the guiding rods and are movably connected to the guiding rods, the power source is configured to drive the first rotating shaft and the second rotating shaft to rotate, and the power source is electrically connected to the control panel.

As a preferred technical solution of the present invention, a first worm wheel is disposed on the first rotating shaft, a second worm wheel is disposed on the second rotating shaft, a worm is connected to the power source output end, and the worm is engaged with the first worm wheel and the second worm wheel.

As a preferable technical solution of the present invention, each set of the guide rods is provided with a roller, each set of the driving arms is provided with a guide groove, and the roller is embedded in the guide groove and is in rolling contact with the guide groove.

As a preferred technical scheme of the present invention, each group of the fixing posts is provided with a through groove for a guide groove to pass through.

The invention also provides a power failure self-rescue elevator which comprises the self-rescue and anti-trapping device.

Compared with the prior art, the invention has the beneficial effects that: according to the power failure self-rescue elevator and the self-rescue and anti-trapping device, when a power failure condition occurs, the alarm can be connected with emergency alarm equipment for alarming at the first time through an electric signal, trapped people can control the power source to work through the control panel, the power source drives the worm to rotate, the worm is meshed with the first worm wheel and the second worm wheel to drive the first rotating shaft and the second rotating shaft to rotate, the first rotating shaft and the second rotating shaft drive the power arm to rotate and move along the through groove arranged on the fixed column through the guide groove, the guide rod is effectively pushed upwards along the fixed column under the condition that the roller is in rolling contact with the guide groove, the guide rod drives the bearing plate to move upwards to drive the trapped people to move to the flat floor, the trapped people can smoothly leave from the lift car to finish the trapping, the trapped people are prevented from falling when the elevator hovers and the floors have height difference, and the safety is good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection between the carrier plate and the support housing according to the present invention;

FIG. 3 is a schematic view of the power source driving the first and second shafts;

FIG. 4 is a schematic view of the construction of the guide bar of the present invention;

FIG. 5 is a schematic structural diagram of a control assembly according to the present invention;

fig. 6 is a schematic view of the structure of an elevator car of the present invention;

in the figure: 100. a support housing; 110. enclosing plates; 120. fixing the column; 121. a through groove; 130. a guide bar; 131. a roller; 200. a carrier plate; 300. a lifting mechanism; 310. a power source; 311. a worm; 320. a first rotating shaft; 321. a first worm gear; 330. a second rotating shaft; 331. a second worm gear; 340. a drive arm; 341. a guide groove; 350. a control component; 351. a control panel; 352. an alarm; 400. a car.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Please refer to FIGS. 1-6

Example 1

A self-rescue and anti-trapping device comprises a support shell 100, a bearing plate 200 and a lifting mechanism 300, wherein a coaming 110 extending upwards is arranged on the support shell 100; the carrier plate 200 is disposed on the support housing 100 for carrying; the lifting mechanism 300 comprises a lifting assembly arranged in the support shell 100 and a control assembly 350 arranged on the enclosing plate 110, wherein the control assembly 350 comprises a control panel 351 and an alarm 352, the control panel 351 is used for controlling the lifting assembly to drive the lifting carrier plate 200 to move up and down, and the alarm 352 is electrically connected with an emergency alarm device;

a plurality of groups of fixing columns 120 are arranged in the supporting shell 100, a guide rod 130 penetrates through each group of fixing columns 120, and the guide rods 130 are connected with the bearing plates 200;

the lifting assembly comprises a power source 310, a first rotating shaft 320 and a second rotating shaft 330 which are arranged in the supporting shell 100, wherein the first rotating shaft 320 and the second rotating shaft 330 are respectively and rotatably connected with the supporting shell 100 through bearing assemblies and are respectively at least connected with a group of driving arms 340, the driving arms 340 are in one-to-one correspondence with the guide rods 130 and are movably connected with the guide rods 130, the power source 310 is used for driving the first rotating shaft 320 and the second rotating shaft 330 to rotate, the power source 310 is electrically connected with the control panel 351, the power source 310 is preferably a servo motor with a built-in power supply and can supply power to the control assembly 350.

Example 2

A self-rescue and anti-trapping device comprises a support shell 100, a bearing plate 200 and a lifting mechanism 300, wherein a coaming 110 extending upwards is arranged on the support shell 100; the carrier plate 200 is disposed on the support housing 100 for carrying; the lifting mechanism 300 comprises a lifting component arranged in the support shell 100 and a control component 350 arranged on the enclosing plate 110, wherein the control component 350 comprises a control panel 351 and an alarm 352, the control panel 351 is used for controlling the lifting component to drive the lifting movement of the bearing plate 200, and the alarm 352 is electrically connected with an emergency alarm device;

the carrier plate 200 is disposed on the top of the support housing 100 and covers the support housing 100;

a plurality of groups of fixing columns 120 are arranged in the supporting shell 100, a guide rod 130 penetrates through each group of fixing columns 120, and the guide rod 130 is connected with the bearing plate 200;

the lifting assembly comprises a power source 310, a first rotating shaft 320 and a second rotating shaft 330 which are arranged in the support shell 100, the first rotating shaft 320 and the second rotating shaft 330 are respectively and rotatably connected with the support shell 100 through bearing assemblies and are respectively connected with at least one group of driving arms 340, the driving arms 340 correspond to the guide rods 130 one by one and are movably connected with the guide rods 130, the power source 310 is used for driving the first rotating shaft 320 and the second rotating shaft 330 to rotate, the power source 310 is electrically connected with the control panel 351, the power source 310 is preferably a servo motor with a built-in power supply and can supply power to the control assembly 350;

a first worm gear 321 is arranged on the first rotating shaft 320, a second worm gear 331 is arranged on the second rotating shaft 330, the output end of the power source 310 is connected with a worm 311, and the worm 311 is meshed with the first worm gear 321 and the second worm gear 331;

each group of guide rods 130 is provided with a roller 131, each group of driving arms 340 is provided with a guide groove 341, and the roller 131 is embedded in the guide groove 341 and is in rolling contact with the guide groove 341;

each group of fixing posts 120 is provided with a through groove 121, and the through groove 121 is used for the guide groove 341 to pass through.

The working principle is as follows:

when power fails in elevator operation, the elevator car 400 is in a hovering state in an operation space and is easily located between an upper floor and a lower floor, and people in the car 400 cannot be saved by themselves and get out of position effectively, therefore, when a power failure condition occurs, the alarm 352 can alarm by being connected with an emergency alarm device through an electric signal for the first time, the trapped people can control the power source 310 to work through the control panel 351, the power source 310 drives the worm 311 to rotate, and the worm 311 is meshed with the first worm gear 321 and the second worm gear 331 to drive the first rotating shaft 320 and the second rotating shaft 330 to rotate, so that the first rotating shaft 320 and the second rotating shaft 330 drive the power arm to rotate, the guide groove 341 moves along the through groove 121 formed in the fixed column 120, the guide rod 130 is effectively pushed upwards along the fixed column 120 under the condition that the roller 131 is in rolling contact with the guide groove 341, the guide rod 130 drives the bearing plate 200 to move upwards to drive the trapped people to move to a flat floor, the trapped people can smoothly leave from the car 400, and the elevator car is saved by themselves and the elevator is prevented from falling due to the height difference between the floors, and the elevator is good in elevator hovering state.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A self-rescue and anti-trapping device, comprising:

the supporting shell is provided with an enclosing plate extending upwards;

the bearing plate is arranged on the supporting shell and used for bearing;

lifting mechanism, including setting up lifting unit in the supporting shell, and set up control assembly on the bounding wall, control assembly includes control panel and alarm, control panel is used for controlling lifting unit drive carrier plate elevating movement, the emergent alarm device of alarm electric connection.

2. A self-rescue and anti-trapping device according to claim 1, wherein said carrier plate is disposed on top of and covers said support housing.

3. The self-rescue and anti-trapping device according to claim 1, wherein a plurality of sets of fixing columns are arranged in the supporting shell, a guide rod penetrates through each set of fixing columns, and the guide rods are connected with the bearing plate.

4. The self-rescue and anti-trapping device according to claim 3, wherein the lifting assembly comprises a power source, a first rotating shaft and a second rotating shaft, the power source, the first rotating shaft and the second rotating shaft are arranged in the supporting shell, the first rotating shaft and the second rotating shaft are respectively and rotatably connected with the supporting shell through bearing assemblies and are respectively and at least connected with a group of driving arms, the driving arms are in one-to-one correspondence with the guide rods and are movably connected with the guide rods, the power source is used for driving the first rotating shaft and the second rotating shaft to rotate, and the power source is electrically connected with the control panel.

5. A self-rescue and anti-trapping device as claimed in claim 4, wherein a first worm wheel is provided on said first shaft, a second worm wheel is provided on said second shaft, said power output end is connected with a worm, said worm is engaged with said first worm wheel and said second worm wheel.

6. A self-rescue and anti-trapping device according to claim 4, wherein each set of said guide rods is provided with a roller, each set of said driving arms is provided with a guide groove, and said roller is embedded in said guide groove and is in rolling contact with said guide groove.

7. The self-rescue and anti-trapping device according to claim 6, wherein each set of said fixing posts is provided with a through slot for a guide slot to pass through.

8. A self-rescuing elevator in power failure characterized by comprising the self-rescuing and anti-trapping device as claimed in claims 1 to 7.