CN210973494U

CN210973494U - Permanent magnet frequency conversion door machine direct current speed adjusting device

Info

Publication number: CN210973494U
Application number: CN201922147229.9U
Authority: CN
Inventors: 张明军; 傅俊鹤
Original assignee: Zhejiang Xierk Elevator Parts Co ltd
Current assignee: Zhejiang Xierk Elevator Parts Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-10
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a permanent magnetism variable frequency door machine direct current speed adjusting device, concretely relates to speed adjusting device field, including the door machine, the top fixed mounting of door machine has the controller, first spout has been seted up to the surface of door machine, the inside fixed mounting of first spout has the slide bar, the surface of door machine is located the below of first spout and has seted up the second spout. The utility model discloses a gag lever post, spacing hole, second picture peg and electro-magnet, when closing first sedan-chair door and second sedan-chair door, can start the motor on the door machine, drive the one end screw rod through the motor, it removes to the inboard to drive the connecting plate through the screw rod, the one end of connecting rod can slide along the slide bar, at gliding in-process, can drive the ball roll in the slide bar, thereby the gliding speed of connecting plate has been increased, the other end of connecting plate can drive first sedan-chair door respectively and close with second sedan-chair door, the second picture peg of the one end of first sedan-chair door can insert in the fixed plate, the stability when using has been increased.

Description

Permanent magnet frequency conversion door machine direct current speed adjusting device

Technical Field

The utility model relates to a speed adjusting device field relates to a permanent magnetism variable frequency door machine direct current speed adjusting device, especially a permanent magnetism variable frequency door machine direct current speed adjusting device.

Background

With the high-speed development of modern cities, a great amount of people and logistics need to be conveyed every day, and in super high-rise buildings, the function of an elevator is very important. Elevators are a combination of mechanical and electrical control systems, where the control system of an elevator determines the performance, the degree of automation and the reliability of the operation of the elevator. The power source for closing and opening the elevator door is a door motor I.

The motor of the existing door machine basically adopts an alternating current motor, and has the problems of complex control and low speed regulation precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, providing a permanent magnetism variable frequency door machine direct current speed adjusting device, the utility model aims to solve the technical problem that: how to simplify the structure of the gantry crane, improve the stability and accuracy of the gantry crane in quick start, stop, acceleration and deceleration, and meet the market demand.

The purpose of the utility model can be realized by the following technical proposal: a permanent magnet variable frequency door motor direct current speed adjusting device comprises a door motor, wherein a controller is fixedly mounted at the top end of the door motor, a first sliding groove is formed in the outer surface of the door motor, a sliding rod is fixedly mounted inside the first sliding groove, a second sliding groove is formed in the outer surface of the door motor and located below the first sliding groove, a motor is fixedly mounted on the outer surface of the door motor and located above the second sliding groove, a motor output shaft is fixedly connected with a screw rod, a first car door is arranged on one side, located at the second sliding groove, of the outer surface of the door motor, a second car door is arranged on one side of the first car door, the first car door and the second car door are in sliding connection with the door motor through the second sliding groove, a first inserting plate is fixedly mounted on one side of the first car door, a second inserting plate is fixedly mounted on the other side of the first car door, and a fixing plate is fixedly mounted inside the second car door, the top welding of first sedan-chair door and second sedan-chair door has the connecting plate, a pot head of connecting plate is established at the surface of slide bar, the upper end of slide bar is provided with a plurality of ball.

In a preferred embodiment, the connecting plate is internally provided with a threaded hole, and the connecting plate is movably connected with the screw rod through the threaded hole.

In a preferred embodiment, the second insert plate is provided with a limiting hole inside, and one end of the second insert plate is matched with the fixing plate.

In a preferred embodiment, a limiting rod is arranged inside the fixing plate, and a guide rod is arranged at the top end of the limiting rod.

In a preferred embodiment, the limiting rod is sleeved at the bottom end of the guide rod, and the outer surface of the guide rod is sleeved with a spring.

In a preferred embodiment, the top end of the guide rod is fixedly provided with an electromagnet, and the bottom end of the spring is fixedly connected with a limiting rod.

In a preferred embodiment, the output end of the electromagnet is electrically connected with the input end of the controller, and the output end of the motor is electrically connected with the input end of the controller.

Compared with the prior art, the utility model discloses a have following advantage:

through the gag lever post that sets up, spacing hole, second picture peg and electro-magnet, when closing first sedan-chair door and second sedan-chair door, can start the motor on the door machine, drive the one end screw rod through the motor, it removes to the inboard to drive the connecting plate through the screw rod, the one end of connecting rod can slide along the slide bar, at gliding in-process, can drive the ball roll in the slide bar, thereby the gliding speed of connecting plate has been increased, the other end of connecting plate can drive first sedan-chair door respectively and close with the second sedan-chair door, the second picture peg of the one end of first sedan-chair door can insert in the fixed plate, the stability when using has been increased.

Drawings

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

Fig. 2 is a side view of the connection plate of the present invention.

Fig. 3 is a schematic view of the fixing plate structure of the present invention.

Fig. 4 is a schematic view of the connection structure of the electromagnet and the guide rod of the present invention.

The reference signs are: 1. a gantry crane; 2. a controller; 3. a first chute; 4. a slide bar; 5. a second chute; 6. a motor; 7. a screw; 8. a first car door; 9. a first board insert; 10. a second car door; 11. a second board plug; 12. a fixing plate; 13. a connecting plate; 14. a ball bearing; 15. a threaded hole; 16. a limiting hole; 17. a limiting rod; 18. a guide bar; 19. a spring; 20. an electromagnet.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in the attached drawings 1-4, the utility model provides a permanent magnet frequency conversion door motor direct current speed adjusting device, which comprises a door motor 1, a controller 2 is fixedly arranged at the top end of the door motor 1, a first chute 3 is arranged on the outer surface of the door motor 1, a slide bar 4 is fixedly arranged inside the first chute 3, a second chute 5 is arranged on the outer surface of the door motor 1 below the first chute 3, a motor 6 is fixedly arranged on the outer surface of the door motor 1 above the second chute 5, an output shaft of the motor 6 is fixedly connected with a screw 7, a first car door 8 is arranged on one side of the outer surface of the door motor 1 above the second chute 5, a second car door 10 is arranged on one side of the first car door 8, the first car door 8 and the second car door 10 are slidably connected with the door 1 through the second chute 5, a first plug board 9 is fixedly arranged on one side of the first car door 8, the opposite side fixed mounting of first sedan-chair door 8 has second picture peg 11, the inside fixed mounting of second sedan-chair door 10 has fixed plate 12, the top welding of first sedan-chair door 8 and second sedan-chair door 10 has connecting plate 13, a pot head of connecting plate 13 is established at the surface of slide bar 4, the upper end of slide bar 4 is provided with a plurality of ball 14.

A threaded hole 15 is formed in the connecting plate 13, and the connecting plate 13 is movably connected with the screw 7 through the threaded hole 15.

A limiting hole 16 is formed in the second inserting plate 11, and one end of the second inserting plate 11 is matched with the fixing plate 12.

A limiting rod 17 is arranged inside the fixing plate 12, and a guide rod 18 is arranged at the top end of the limiting rod 17.

The limiting rod 17 is sleeved at the bottom end of the guide rod 18, and a spring 19 is sleeved on the outer surface of the guide rod 18.

The top end of the guide rod 18 is fixedly provided with an electromagnet 20, and the bottom end of the spring 19 is fixedly connected with the limiting rod 17.

The output end of the electromagnet 20 is electrically connected with the input end of the controller 2, and the output end of the motor 6 is electrically connected with the input end of the controller 2.

The implementation mode is specifically as follows: when the first car door 8 and the second car door 10 are closed, the motor 6 on the door machine 1 can be started, the motor 6 drives the screw 7 at one end, the screw 7 drives the connecting plate 13 to move inwards, one end of the connecting plate 13 can slide along the sliding rod 4, the balls 14 in the sliding rod 4 can be driven to roll in the sliding process, so that the sliding speed of the connecting plate 13 is increased, the other end of the connecting plate 13 can respectively drive the first car door 8 and the second car door 10 to be closed, the speed of the car door is controlled by the rotating speed of the motor 6, the speed regulation precision is high, the second inserting plate 11 at one end of the first car door 8 can be inserted into the fixing plate 12, then the power supply of the electromagnet 20 is disconnected, at the moment, the spring 19 can push the limiting rod 17 downwards and insert the limiting rod into the limiting hole 16 of the second inserting plate 11, so that the first car door 8 and the second car door 10 are limited, and the stability in use is increased, when the first car door 8 and the second car door 10 need to be opened, the electromagnet 20 can be started, the limiting rod 17 is separated from the limiting hole 16 of the second inserting plate 11 through magnetic force, and the spring 19 is extruded.

The utility model discloses the theory of operation:

referring to the attached drawings 1-4 of the specification, when the first car door 8 and the second car door 10 are closed, the motor 6 on the door machine 1 can be started, the motor 6 drives the screw 7 at one end, the screw 7 drives the connecting plate 13 to move inwards, one end of the connecting plate 13 can slide along the sliding rod 4, the balls 14 in the sliding rod 4 can be driven to roll in the sliding process, so that the sliding speed of the connecting plate 13 is increased, the other end of the connecting plate 13 can respectively drive the first car door 8 and the second car door 10 to be closed, the speed of the car door is controlled by the rotating speed of the motor 6, the speed regulating precision is high, the second inserting plate 11 at one end of the first car door 8 can be inserted into the fixing plate 12, then the power supply of the electromagnet 20 is disconnected, at the moment, the limiting rod 17 can be pushed downwards by the spring 19 and inserted into the limiting hole 16 of the second inserting plate 11, so that the first car door 8 and the second car door 10 are limited, the stability in use is increased.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a permanent magnetism frequency conversion door machine direct current speed adjusting device, includes door machine (1), its characterized in that: the top fixed mounting of door machine (1) has controller (2), first spout (3) and second spout (5) that transversely set up are seted up to the surface of door machine (1), the inside fixed mounting of first spout (3) has slide bar (4), second spout (5) are located first spout (3) below, still transversely be equipped with screw rod (7) on door machine (1), the one end of screw rod (7) is connected with motor (6), still have first sedan-chair door (8) and second sedan-chair door (10) through second spout (5) sliding connection on the door machine, one side fixed mounting of first sedan-chair door (8) has first picture peg (9), the opposite side fixed mounting of first sedan-chair door (8) has second picture peg (11), the inside fixed mounting of second sedan-chair door (10) has fixed plate (12), the top welding of first sedan-chair door (8) has vertical connecting plate (13) that sets up, the connecting plate (13) is in threaded transmission connection with the screw (7), one end of the connecting plate (13) is sleeved on the sliding rod (4), and a plurality of balls (14) are arranged between the sliding rod (4) and the connecting plate (13).

2. The direct-current speed regulating device of the permanent magnet variable frequency door motor according to claim 1, characterized in that: one end and fixed plate (12) sliding connection of second picture peg (11), spacing hole (16) have been seted up with fixed plate (12) sliding connection's one end in second picture peg (11), be equipped with gag lever post (17) on fixed plate (12), the top of gag lever post (17) is provided with guide arm (18), the bottom in guide arm (18) is established in gag lever post (17) cover, the top fixed mounting of guide arm (18) has electro-magnet (20), the cover is equipped with spring (19) on guide arm (18), the both ends of spring (19) support with electro-magnet (20) and gag lever post (17) respectively and lean on.

3. The dc speed regulator of a permanent-magnet frequency-conversion door motor according to claim 2, wherein the output end of the electromagnet (20) is electrically connected with the input end of the controller (2), and the output end of the motor (6) is electrically connected with the input end of the controller (2).