CN217398154U

CN217398154U - Elevator overspeed protection device

Info

Publication number: CN217398154U
Application number: CN202220720788.3U
Authority: CN
Inventors: 徐锋; 卢进勇
Original assignee: Hangzhou Lin'an Zhongfang Electromechanical Co ltd
Current assignee: Hangzhou Lin'an Zhongfang Electromechanical Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-09
Anticipated expiration: 2032-03-29

Abstract

The utility model relates to the technical field of elevator protection devices, in particular to an elevator overspeed protection device, which comprises an installation frame, wherein a stop lever is arranged on the inner wall of the installation frame, a magnetic induction block is arranged on the inner wall of the installation frame, a cage is arranged on the inner wall of the installation frame, a fixed block is arranged on the outer wall of the cage, a drive motor is arranged on the inner wall of the fixed block, and a rotating shaft is arranged at one end of a drive shaft of the drive motor. Timely speed reduction operation, electric hydraulic telescopic handle promotes the brake block and moves to one side simultaneously, withstands the drum and makes its speed reduction.

Description

Elevator overspeed protection device

Technical Field

The utility model relates to an elevator protection device technical field specifically is an elevator overspeed protection device.

Background

The existing elevator overspeed protection device has aging structure failure when being used for a long time, thereby affecting the accuracy of detecting the elevator overspeed data, and being incapable of timely making deceleration measures for the elevator, and the existing deceleration measures are single when being used, and when the elevator is overspeed, the elevator cannot be decelerated timely, and the deceleration effect of the protection device is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator overspeed protection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an elevator overspeed protection device, includes the installation frame, install the shelves pole on the inner wall of installation frame, the interior wall mounting of installation frame has the magnetism response piece, install the car on the inner wall of installation frame, install the fixed block on the outer wall of car, install driving motor on the inner wall of fixed block, the pivot is installed to the one end of driving motor drive shaft, the one end of pivot runs through the fixed block and extends to internally mounted and has the baffle, install magnetic sensor on the outer wall of car, install the elevator gear box on the outer wall of installation frame, install the drum on the outer wall of elevator gear box, install the haulage rope on the outer wall of drum, the one end of haulage rope runs through the installation frame and extends to internally connected with the car, install the controller on the outer wall of installation frame, install the installation piece on the outer wall of installation frame, install electronic hydraulic telescoping rod on the inner wall of installation piece, brake block is installed to electronic hydraulic telescoping rod's one end.

As the utility model discloses preferred scheme, the controller is connected with magnetic sensor, driving motor, elevator gear box and electronic hydraulic telescoping rod and connected mode respectively through the wire and is electric connection.

As the utility model discloses preferred scheme, the shelves pole is provided with the multiunit and is located the inner wall of installation frame respectively, the connected mode of car and installation frame is sliding connection, the brake block is the loop configuration.

As the utility model discloses preferred scheme, magnetism response piece and magnetic sensor's connected mode is the magnetism and connects, the magnetism response piece is provided with the multiunit and is located the inner wall of installation frame respectively.

As the utility model discloses preferred scheme, magnetic sensor is provided with two sets ofly and is located the outer wall of car respectively, the connected mode of pivot and fixed block is for rotating the connection.

As the utility model discloses preferred scheme, driving motor is provided with the multiunit and is located the inner wall of fixed block respectively, the connected mode of haulage rope and installation frame is sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the magnetic induction block is arranged on the inner wall of the installation frame, the cage is arranged on the inner wall of the installation frame, the magnetic sensor is arranged on the outer wall of the cage, the magnetic induction block and the magnetic sensor are connected in a magnetic way, when the cage is driven to pass through the magnetic induction blocks when running, the magnetic sensors record the passing time data of every two magnetic induction blocks, generate electric signals and transmit the electric signals to the controller through the lead, the controller judges the data to calculate the passing average time of every two magnetic sensors, thereby timely judging whether the lift car is overspeed or not, the structure has better practicability and is not easy to be damaged, thereby being beneficial to solving the problem that the aging structure of the prior elevator overspeed protection device fails when being used for a long time, thereby influencing the accuracy of detecting the overspeed data of the elevator and being incapable of timely taking speed reduction measures to the elevator.

2. The utility model discloses in, rotate through driving motor and drive the pivot and rotate on the inner wall of fixed block, stretch out the device card with the baffle between shelves pole, the operation of slowing down in time, electric hydraulic telescopic handle promotes the brake block and moves to one side simultaneously, withstands the drum and makes its speed reduction, the speed reduction of device is more timely to be of value to solve current speed reduction measure when using comparatively single, can not be timely when the elevator overspeed slow down, protection device's the relatively poor problem of effect of slowing down.

Drawings

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

FIG. 2 is a schematic view of the front view structure of the present invention;

fig. 3 is a schematic view of the fixing block structure of the present invention.

In the figure: 1. a mounting frame; 2. a gear lever; 3. a magnetic induction block; 4. a car; 5. a fixed block; 6. a drive motor; 7. a rotating shaft; 8. a baffle plate; 9. a magnetic sensor; 10. an elevator gear box; 11. a wire rotating disc; 12. a hauling rope; 13. a controller; 14. mounting blocks; 15. an electric hydraulic telescopic rod; 16. a brake pad.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

an elevator overspeed protection device comprises an installation frame 1, a stop lever 2 is installed on the inner wall of the installation frame 1, a magnetic induction block 3 is installed on the inner wall of the installation frame 1, a car 4 is installed on the inner wall of the installation frame 1, a fixed block 5 is installed on the outer wall of the car 4, a driving motor 6 is installed on the inner wall of the fixed block 5, a rotating shaft 7 is installed at one end of a driving shaft of the driving motor 6, one end of the rotating shaft 7 penetrates through the fixed block 5 and extends to the inside to be provided with a baffle 8, a magnetic sensor 9 is installed on the outer wall of the car 4, an elevator gear box 10 is installed on the outer wall of the installation frame 1, a rotating disc 11 is installed on the outer wall of the elevator gear box 10, a traction rope 12 is installed on the outer wall of the rotating disc 11, one end of the traction rope 12 penetrates through the installation frame 1 and extends to the inside to be connected with the car 4, and a controller 13 is installed on the outer wall of the installation frame 1, the outer wall of the installation frame 1 is provided with an installation block 14, the inner wall of the installation block 14 is provided with an electric hydraulic telescopic rod 15, and one end of the electric hydraulic telescopic rod 15 is provided with a brake pad 16.

In the embodiment, referring to fig. 1, 2 and 3, a controller 13 is connected to a magnetic sensor 9, a driving motor 6, an elevator gear box 10 and an electric hydraulic telescopic rod 15 through wires, the connection modes are electrically connected, a plurality of sets of blocking rods 2 are arranged on the inner wall of an installation frame 1, the connection modes of a car 4 and the installation frame 1 are sliding connection, a brake pad 16 is in an annular structure, the connection modes of the magnetic sensing block 3 and the magnetic sensor 9 are magnetic connection, the magnetic sensing block 3 is arranged on a plurality of sets of blocks and is arranged on the inner wall of the installation frame 1, the connection modes of a traction rope 12 and the installation frame 1 are sliding connection, the magnetic sensors 9 are arranged on two sets of blocks and are arranged on the outer wall of the car 4, the connection modes of a rotating shaft 7 and a fixed block 5 are rotating connection, the driving motor 6 is arranged on a plurality of sets and is arranged on the inner wall of the fixed block 5, driving motor 6 drives pivot 7 and rotates, pivot 7 rotates and makes baffle 8 stretch out, 8 cards of baffle slow down car 4 between shelves pole 2, the work of controller 13 control electric hydraulic telescopic handle 15 simultaneously, install installation piece 14 on the outer wall of installation frame 1, install electric hydraulic telescopic handle 15 on the inner wall of installation piece 14, brake block 16's effect is installed to electric hydraulic telescopic handle 15's one end down, electric hydraulic telescopic handle 15 promotes brake block 16 to one side, brake block 16 is the loop configuration card on the outer wall of drum 11, make drum 11 slow down, thereby be of value to solve current speed reduction measure when using comparatively single, can not timely speed down when the elevator exceeds speed limit, the relatively poor problem of protection device's speed reduction effect.

The utility model discloses work flow: when the device is used, the controller 13 is respectively connected with the magnetic sensor 9, the driving motor 6, the elevator gear box 10 and the electric hydraulic telescopic rod 15 through wires, and the connection mode is electrically connected, so that the device is electrified, when the elevator car 4 runs, the magnetic induction block 3 is arranged on the inner wall of the installation frame 1, the car 4 is arranged on the inner wall of the installation frame 1, the magnetic sensor 9 is arranged on the outer wall of the car 4, the connection mode of the magnetic induction block 3 and the magnetic sensor 9 is magnetic connection, the connection mode of the car 4 and the installation frame 1 is sliding connection, when the car 4 runs and drives the magnetic sensor 9 to run, each time the car passes through the magnetic induction block 3, electric signals generated when the magnetic sensor 9 induces the magnetic induction block 3 are transmitted to the controller 13 through the wires, and meanwhile, the magnetic induction blocks 3 are provided with a plurality of groups and are respectively positioned on the inner wall of the installation frame 1, magnetic sensor 9 is provided with under two sets ofly and the effect that is located car 4's outer wall respectively, when magnetic sensor 9 through polylith magnetism response piece 3, magnetic sensor 9 produces the signal of telecommunication of multiunit time data and passes through wire conduction to controller 13, controller 13 analysis is required time between per two magnetism response pieces 3, thereby judge whether car 4 is overspeed, the practicality of structure is better difficult to damage, thereby be of value to solving current elevator overspeed protection device and have ageing structure failure when long-term the use, thereby influence the accuracy that detects this elevator overspeed data, and the problem that can't be timely makes the deceleration measure to the elevator.

When the device is used, the inner wall of the installation frame 1 is provided with the baffle rods 2, the baffle rods 2 are provided with a plurality of groups and are respectively positioned on the inner wall of the installation frame 1, the outer wall of the car 4 is provided with the fixed block 5, the inner wall of the fixed block 5 is provided with the driving motor 6, one end of the driving shaft of the driving motor 6 is provided with the rotating shaft 7, one end of the rotating shaft 7 penetrates through the fixed block 5 and extends to the inside under the action of the baffle 8, when the controller 13 judges that the car 4 is overspeed, the controller 13 opens the switch, the controller 13 controls the driving motor 6 to rotate, the connecting mode of the rotating shaft 7 and the fixed block 5 is rotating connection, the driving motor 6 is provided with a plurality of groups and is respectively positioned on the inner wall of the fixed block 5, the driving motor 6 drives the rotating shaft 7 to rotate, the rotating shaft 7 rotates to enable the baffle 8 to extend out, the baffle 8 is clamped between the baffle rods 2 to decelerate the car 4, meanwhile, the controller 13 controls the electric hydraulic telescopic rod 15 to work, the installation block 14 is installed on the outer wall of the installation frame 1, the electric hydraulic telescopic rod 15 is installed on the inner wall of the installation block 14, the brake block 16 is installed at one end of the electric hydraulic telescopic rod 15 and acts on the same, the electric hydraulic telescopic rod 15 pushes the brake block 16 to one side, the brake block 16 is clamped on the outer wall of the rotary drum 11 in an annular structure mode, the rotary drum 11 is enabled to decelerate, the problem that the existing deceleration measure is single when the elevator is used is benefited, the deceleration cannot be carried out timely when the elevator is overspeed, and the deceleration effect of the protection device is poor.

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. An elevator overspeed protection device, comprising a mounting frame (1), characterized in that: install shelves pole (2) on the inner wall of installation frame (1), install magnetic induction piece (3) on the interior wall mounting of installation frame (1), install car (4) on the inner wall of installation frame (1), install fixed block (5) on the outer wall of car (4), install driving motor (6) on the inner wall of fixed block (5), pivot (7) are installed to the one end of driving motor (6) drive shaft, the one end of pivot (7) runs through fixed block (5) and extends to internally mounted and has baffle (8), install magnetic sensor (9) on the outer wall mounting of car (4), install elevator gear box (10) on the outer wall of installation frame (1), install on the outer wall of elevator gear box (10) turn round dish (11), install haulage rope (12) on the outer wall of turn round dish (11), the utility model discloses a hydraulic control brake system, including installation frame (1), installation piece (14), electric hydraulic telescopic rod (15), brake block (16) are installed to the one end of haulage rope (12) and extend to internal connection has car (4), install controller (13) on the outer wall of installation frame (1), install installation piece (14) on the outer wall of installation frame (1), install on the inner wall of installation piece (14), brake block (16) are installed to the one end of electric hydraulic telescopic rod (15).

2. An elevator overspeed protection device as set forth in claim 1, wherein: the controller (13) is respectively connected with the magnetic sensor (9), the driving motor (6), the elevator gear box (10) and the electric hydraulic telescopic rod (15) through wires, and the connection mode is electric connection.

3. An elevator overspeed protection device as set forth in claim 1, wherein: the gear lever (2) is provided with a plurality of groups and is respectively positioned on the inner wall of the installation frame (1), the connection mode of the car (4) and the installation frame (1) is sliding connection, and the brake pad (16) is of an annular structure.

4. An elevator overspeed protection device as set forth in claim 1, wherein: the magnetic induction block (3) is connected with the magnetic sensor (9) in a magnetic mode, and the magnetic induction block (3) is provided with multiple groups and is located on the inner wall of the installation frame (1) respectively.

5. An elevator overspeed protection device according to claim 1, characterized in that: magnetic sensor (9) are provided with two sets ofly and are located the outer wall of car (4) respectively, the connected mode of pivot (7) and fixed block (5) is for rotating the connection.

6. An elevator overspeed protection device as set forth in claim 1, wherein: the driving motor (6) is provided with a plurality of groups and is respectively positioned on the inner wall of the fixing block (5), and the traction rope (12) is connected with the mounting frame (1) in a sliding manner.