CN211225961U

CN211225961U - Electric control door knife door opening and closing device

Info

Publication number: CN211225961U
Application number: CN201921301473.XU
Authority: CN
Inventors: 罗海闽; 佟国维; 霍建国
Original assignee: Yunnan Shenghua Elevator Co ltd
Current assignee: Yunnan Shenghua Elevator Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-08-11
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses an electrically controlled door knife door opening and closing device, which comprises a door machine bottom plate, a door motor, a door knife, a first car door hanging plate and a second car door hanging plate, wherein the door motor is fixed on the door machine bottom plate, a synchronizing wheel is fixed at the output end of the door motor, the synchronizing wheel is arranged on the door machine bottom plate and rotates at the same horizontal position as the door motor, a synchronous belt is arranged on the synchronizing wheel, a pull rod is fixed on the synchronous belt, and the first car door hanging plate is fixed at one end of the pull rod; the door machine bottom plate lower extreme left and right sides is fixed with the same gyro wheel, and the wire-wound is connected with the steel cable on the gyro wheel, one end and one side fixed connection of sedan-chair door link plate one of steel cable, one side fixed connection of the other end and sedan-chair door link plate two of steel cable, another side fixed connection of sedan-chair door link plate one is passed through to this side of sedan-chair door link plate two, is fixed with the auto-lock motor on the sedan-chair door link plate one, and sedan-chair door link plate one is located the below rotation of auto-lock motor and is provided with from the driving wheel, the output of auto-lock motor is fixed with the.

Description

Electric control door knife door opening and closing device

Technical Field

The invention discloses an electric control door vane opening and closing device, and belongs to the technical field of door vane equipment.

Background

In the prior art, an elevator door device commonly used in the market at present adopts a door knife mechanism arranged on a car door to clamp a roller device arranged on a landing door lock to drive a landing door to simultaneously move so as to realize the opening and closing of the car door and the landing door of the elevator. However, the opening and closing actions of the door knife arranged on the car door are completely realized by triggering of a mechanical device arranged at a fixed position on the car door, and the opening and closing actions and the closing ending actions are executed because the clearance between the door knife and a landing door roller needs to be eliminated and released, so that the opening and closing of the car door and the landing door can not be synchronous when the door is opened and closed, and meanwhile, the landing door can be separated from the control of the door knife when the door is closed in place, and the landing door needs to be closed in place by the gravity of a heavy hammer. After the elevator is separated from the control of the door vane, the faults of blocking, door closing failure and the like are easily caused, and the operation and the safety of the elevator are influenced.

Disclosure of Invention

The invention aims to provide an electrically controlled door knife door opening and closing device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an electric control door knife door opening and closing device comprises a door machine bottom plate, a door motor, a door knife, a first car door hanging plate and a second car door hanging plate, wherein the door motor is fixed on the door machine bottom plate; the door machine bottom plate lower extreme left and right sides is fixed with the same gyro wheel, and the wire-wound connection has the steel cable on the gyro wheel, one end and one side fixed connection of sedan-chair door link plate one of steel cable, the other end of steel cable and one side fixed connection of sedan-chair door link plate two, be fixed with the auto-lock motor on the sedan-chair door link plate one, the sedan-chair door link plate one is gone up to be located the below rotation of auto-lock motor and is provided with from the driving wheel, and the output of auto-lock motor is fixed with the action wheel, and the.

Preferably, the side surface of the door knife is provided with a connecting groove, and the side surfaces of the driving wheel and the driven wheel are fixed

Preferably, the connecting rollers are fixed symmetrically about the circle center, and the connecting rollers are connected with the connecting grooves in a sliding mode.

Preferably, a magnet is fixed on the second car door hanging plate, and a bistable switch is fixed on the bottom plate of the door machine and at the same horizontal position with the magnet.

The preferred self-locking motor and the door motor are controlled by a door machine frequency converter arranged at the top of the car, and the door machine frequency converter is controlled by a main board arranged at the top of the car.

Compared with the prior art, the invention has the beneficial effects that:

the electric control door knife door opening and closing device is simple in structure and high in reliability, the whole door opening and closing process is controlled by the door closing, stability and reliability are achieved, and faults of blocking, door closing failure and the like caused by the fact that a landing door roller is separated from the door knife control in the traditional mode are solved. When the door lock is used, when the main board sends a door opening instruction to the door inverter, the door inverter controls the self-locking motor to rotate anticlockwise to tighten the door knife, namely the door knife clamps the door lock roller; then a door machine frequency converter controls a door motor to rotate positively, a synchronous wheel arranged on the door motor drives a synchronous belt to rotate, the synchronous belt drives a pull rod to move, the pull rod drives a car door hanging plate to move, and the car door hanging plate drives a door lock roller to move together through a door knife so as to realize the function of opening the car door and the landing door simultaneously; when the mainboard sends a door closing instruction to a door inverter, the door inverter controls a self-locking motor to rotate clockwise to open a door knife, namely the door knife releases a door lock roller, then the door inverter controls the door motor to rotate reversely, a synchronizing wheel arranged on the door motor drives a synchronizing belt to rotate reversely, the synchronizing belt drives a pull rod to move, the pull rod drives a car door hanging plate to move, the car door hanging plate I drives the door lock roller to move together through the door knife so as to realize the function of closing the car door and the landing door simultaneously, meanwhile, the car door hanging plate I drives a car door hanging plate II to move through a steel rope, when the car door and the landing door are closed in place, a magnet fixed on the car door hanging plate II can sweep a bistable switch fixed on a door bottom plate, the bistable switch keeps a closed state, otherwise, the switch-off state is kept so as to avoid the situation that the door.

The portable safety device is convenient to carry and high in safety, and is simple in structure, convenient to operate and high in practicability.

Drawings

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

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. door machine bottom plate. 2. A door motor. 3. A door vane. 4. And a first car door hanging plate. 5. And a second car door hanging plate. 6. And a synchronizing wheel. 7. And (4) a synchronous belt. 8. A pull rod. 9. And a roller. 10. A steel cord. 11. Self-locking motor. 12. A driven wheel. 13. A driving wheel. 14. And (4) a conveyor belt. 15. And connecting the rollers. 16. And a magnet. 17. A bistable switch.

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 those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an automatically controlled door sword door opening and closing device which characterized in that: the gantry crane comprises a gantry crane bottom plate 1, a gantry motor 2, a gantry knife 3, a first car door hanging plate 4 and a second car door hanging plate 5, wherein the gantry crane bottom plate 1 is fixedly provided with the gantry motor 2, the output end of the gantry motor 2 is fixedly provided with a synchronous wheel 6, the gantry crane bottom plate 1 is rotatably provided with the synchronous wheel 6 at the same horizontal position as the gantry motor 2, the synchronous wheel 6 is provided with a synchronous belt 7, the synchronous belt 7 is fixedly provided with a pull rod 8, and one end of the pull rod 8 is fixedly provided with the first car door hanging plate 4; the door machine bottom plate 1 lower extreme left and right sides is fixed with the same gyro wheel 9, and the wire-wound is connected with steel cable 10 on gyro wheel 9, one end and one side fixed connection of sedan-chair door link plate 4 of steel cable 10, one side fixed connection of the other end of steel cable 10 and sedan-chair door link plate two 5, and another side fixed connection of sedan-chair door link plate 4 is passed through steel cable 10 to this side of sedan-chair door link plate two 5, be fixed with self-locking motor 11 on sedan-chair door link plate 4, lie in self-locking motor 11's below rotation on sedan-chair door link plate 4 and be provided with from driving wheel 12, self-locking motor 11's output is fixed with action wheel 13, and action wheel 13 passes through conveyer belt 14.

Furthermore, a connecting groove is formed in the side surface of the door knife 3, connecting rollers 15 which are symmetrical about the circle center are fixed on the side surfaces of the driving wheel 13 and the driven wheel 12, and the connecting rollers 15 are connected with the connecting groove in a sliding mode.

Further, a magnet 16 is fixed on the second car door hanging plate 5, and a bistable switch 17 is fixed on the gantry crane bottom plate 1 and at the same horizontal position with the magnet 16.

Further, self-locking motor 11 and door motor 2 are controlled by the door machine converter that sets up at the car top, and the door machine converter is controlled by the mainboard that sets up at the car top.

The working principle is as follows: when the electric control door knife door opening and closing device is used, when a main board sends a door opening instruction to a door machine frequency converter, the door machine frequency converter controls a self-locking motor 11 to rotate anticlockwise to tighten a door knife 3, namely the door knife 3 clamps a door lock roller; then a door motor 2 is controlled by a door motor frequency converter to rotate forward, a synchronous wheel 6 arranged on the door motor 2 drives a synchronous belt 7 to rotate, the synchronous belt 7 drives a pull rod 8 to move, the pull rod 8 drives a car door hanging plate I4 to move, and the car door hanging plate I4 drives a door lock roller to move together through a door knife 3, so that the function of opening a car door and a landing door simultaneously is realized; when the main board sends a door closing instruction to the door inverter, the door inverter controls the self-locking motor 11 to rotate clockwise to open the door knife 3, namely the door knife 3 releases the door lock roller, then a door motor 2 is controlled by a door motor frequency converter to rotate reversely, a synchronous wheel 6 arranged on the door motor 2 drives a synchronous belt 7 to rotate reversely, the synchronous belt 7 drives a pull rod 8 to move, the pull rod 8 drives a first car door hanging plate 4 to move, the first car door hanging plate 4 drives a door lock roller to move together through a door knife 3 so as to realize the function of closing the car door and the landing door simultaneously, meanwhile, the first car door hanging plate 4 drives a second car door hanging plate 5 to move through a steel rope 10, when the car door and the landing door are closed in place, the magnet 16 fixed on the second car door hanging plate 5 can sweep the bistable switch 17 fixed on the door machine bottom plate 1, and the bistable switch 17 keeps a closed state, otherwise, the bistable switch keeps an open state, so that the situation that the door is not closed in place is avoided.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatically controlled door sword door opening and closing device which characterized in that: the gantry crane comprises a gantry crane bottom plate (1), a door motor (2), a door knife (3), a first car door hanging plate (4) and a second car door hanging plate (5), wherein the door motor (2) is fixed on the gantry crane bottom plate (1), a synchronizing wheel (6) is fixed at the output end of the door motor (2), the synchronizing wheel (6) is arranged on the gantry crane bottom plate (1) and is in the same horizontal position with the door motor (2) in a rotating mode, a synchronous belt (7) is arranged on the synchronizing wheel (6), a pull rod (8) is fixed on the synchronous belt (7), and the first car door hanging plate (4) is fixed at one end of the pull rod (8); the door machine bottom plate (1) lower extreme left and right sides is fixed with the same gyro wheel (9), and the wire-wound is connected on gyro wheel (9) has steel cable (10), one side fixed connection of one end and sedan-chair door link plate (4) of steel cable (10), one side fixed connection of the other end and sedan-chair door link plate two (5) of steel cable (10), and another side fixed connection of sedan-chair door link plate one (4) is passed through steel cable (10) and sedan-chair door link plate one (5) to this side of sedan-chair door link plate two (5), be fixed with self-locking motor (11) on sedan-chair door link plate one (4), the below rotation that lies in self-locking motor (11) on sedan-chair door link plate one (4) is provided with from driving wheel (12), and the output of self-locking motor (11) is fixed with action wheel (13), and action wheel (.

2. An electrically controlled door opening and closing device according to claim 1, wherein: the side of door sword (3) has seted up the spread groove, the side of action wheel (13) and follow driving wheel (12) is fixed with connection gyro wheel (15) about the centre of a circle symmetry, connects gyro wheel (15) and spread groove sliding connection.

3. An electrically controlled door opening and closing device according to claim 1, wherein: and a magnet (16) is fixed on the second car door hanging plate (5), and a bistable switch (17) is fixed on the gantry crane bottom plate (1) and is positioned at the same horizontal position with the magnet (16).

4. An electrically controlled door opening and closing device according to claim 1, wherein: self-locking motor (11) and door motor (2) are controlled by the door machine converter that sets up at the car top, and the door machine converter is controlled by the mainboard that sets up at the car top.