CN111591851A - Novel elevator safety system - Google Patents

Novel elevator safety system Download PDF

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Publication number
CN111591851A
CN111591851A CN202010504667.0A CN202010504667A CN111591851A CN 111591851 A CN111591851 A CN 111591851A CN 202010504667 A CN202010504667 A CN 202010504667A CN 111591851 A CN111591851 A CN 111591851A
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CN
China
Prior art keywords
fixedly connected
brake
elevator
emergency stop
standby
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010504667.0A
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Chinese (zh)
Inventor
廖金伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuyao Mino Safety Equipment Co ltd
Original Assignee
Yuyao Mino Safety Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yuyao Mino Safety Equipment Co ltd filed Critical Yuyao Mino Safety Equipment Co ltd
Priority to CN202010504667.0A priority Critical patent/CN111591851A/en
Publication of CN111591851A publication Critical patent/CN111591851A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/143—Control systems or devices electrical
    • B66B13/146—Control systems or devices electrical method or algorithm for controlling doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/24—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on guide ropes or cables

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

The invention discloses a novel elevator safety system, which comprises a shell, wherein an emergency stop space is arranged in the shell, a door opening and closing transmission space is arranged at the lower side of the emergency stop space, a power lifting space is arranged at the upper side of the emergency stop space, a fault lifting device used for lifting an elevator in fault is arranged in the power lifting space, an emergency stop device used for starting the elevator in fault is arranged in the emergency stop space, a switch device used for opening and closing a door of the elevator is arranged in the door opening and closing transmission space, and a power control device used for cutting off a power source of the door opening and closing device in fault of the elevator is arranged in the door opening and closing transmission space. Under the condition that the acceleration of the elevator main body is suddenly changed, the emergency stop mechanism is controlled through the brake control spring to play the role of emergency stop, the switching power source of the elevator door can be disconnected when the emergency stop mechanism is started, the safety of passengers in the elevator is ensured, and the resetting of the safety system after the safety of the elevator is simpler and more convenient than that of the traditional elevator safety system.

Description

Novel elevator safety system
Technical Field
The invention relates to the field of elevators, in particular to a novel elevator safety system.
Background
With frequent accidents of various elevators, the safety of the elevators attracts people's attention. The elevator is used and the safety protection system is frequently used to ensure the safe use of the elevator and prevent all accidents endangering the personal safety. The safety device consists of a speed limiter, a safety clamp, a buffer and an end station protection device. The elevator speed limiter is mainly used for the situation of a short rope, but the situation that acceleration sudden change of an elevator main body cannot be responded in time to guarantee safety of passengers due to the fact that the elevator speed limiter is abnormal to a driving motor. The speed limiter is not linked with the door opening device, and the emergency door cannot be opened or closed under a mechanical structure.
Disclosure of Invention
The object of the present invention is to provide a new elevator safety system to solve the problems presented in the background art above.
In order to achieve the purpose, the invention provides the following technical scheme: a novel elevator safety system comprises a shell, wherein an emergency stop space is arranged in the shell, a door opening and closing transmission space is arranged at the lower side of the emergency stop space, a power lifting space is arranged at the upper side of the emergency stop space, an emergency stop space baffle is fixedly connected to the left and right inner side walls of the shell, a fixed clamping block is fixedly connected to the emergency stop space baffle, the lower side surface of the fixed clamping block is slidably connected with a movable clamping block, two hinges which are symmetrical about a central shaft are fixedly connected to the inclined side surface of the emergency stop space baffle, a brake swing rod is hinged to the hinges, a brake contact is fixedly connected to the left side of the brake swing rod, a sleeve is slidably connected in the emergency stop space baffle, two spring fixing plates are fixedly connected to the left and right sides of the sleeve symmetrically, and a brake control spring is fixedly connected between the spring fixing plates and the emergency, the lower side of the sleeve is fixedly connected with an articulated block, the left side of the articulated block is articulated with a brake connecting rod, the left side of the brake connecting rod is articulated with a brake oscillating rod, the right side of the articulated block is articulated with the brake connecting rod, the lower side of the emergency stop space baffle is fixedly connected with the brake connecting rod, the brake oscillating rod is articulated with the brake oscillating rod, the left side of the brake oscillating rod is articulated with the articulated block, the right side of the brake oscillating rod is fixedly connected with a brake contact, the brake contact can be abutted against the movable clamping block, the left side wall and the right side wall of the power space shell are fixedly connected with clapboards, the clapboards are fixedly connected with a motor, the left side of the motor is dynamically connected with a power shaft, the left side of the power shaft is fixedly connected with the rope winding wheel, a main lifting rope is wound on the rope winding wheel, the lower side of the, the tension on the main hoisting rope is not enough to maintain the balance of the brake control spring, the brake control spring makes a brake connecting rod move downwards in the process of recovering deformation, the brake connecting rod moves downwards to make the brake connecting rod move downwards, the brake contact appropriately rotates clockwise around the hinge to make the brake contact abut against the movable clamping block, so that the movable clamping block slides upwards to clamp the standby hoisting rope, the brake connecting rod moves downwards to make the brake connecting rod move downwards, so that the brake oscillating bar rotates anticlockwise around the brake connecting rod to make the brake contact abut against the movable clamping block, so that the movable clamping block slides upwards to clamp the standby hoisting rope, and the emergency stop function is achieved, and a fault hoisting device used for hoisting an elevator in fault is arranged in the power hoisting space, the emergency stop space is internally provided with an emergency stop device used for starting when the elevator fails, the door opening and closing transmission space is internally provided with a door opening and closing device used for opening and closing the elevator door, and the door opening and closing transmission space is internally provided with a power control device used for cutting off a power source of the door opening and closing device when the elevator fails.
Preferably, the fault hoisting device comprises the partition board fixedly connected in the power space shell, two symmetrical left side baffle plates and right side baffle plates are fixedly connected to the lower side of the partition board, a trigger plate is slidably connected in the left side baffle plates and the right side baffle plates, a fixed plate is fixedly connected to the left side of the right side baffle plates, three hoisting control springs are fixedly connected to the fixed plate and the trigger plate, hoisting rope pulleys are fixedly connected to the upper side of the trigger plate, a standby motor is fixedly connected to the upper side of the trigger plate, a standby power shaft is dynamically connected to the right side of the standby motor, the hoisting rope pulleys are fixedly connected to the right side of the standby power shaft, the standby hoisting ropes are wound on the hoisting rope pulleys, and when the standby hoisting ropes and the standby hoisting ropes are clamped by the movable clamping blocks and the movable clamping blocks, the tension on the standby hoisting ropes and the standby hoisting ropes is increased, the lifting control spring is compressed, the trigger plate is pressed against the fixed plate, a signal transmitted to the standby motor is generated to operate the standby motor, the standby motor operates to enable the lifting rope winding wheel to rotate, the lifting rope winding wheel rotates, and therefore the standby lifting rope and the standby lifting rope are lifted, and the elevator main body is lifted.
Preferably, the switching device comprises a left side rack slidably connected to a side wall of the door opening and closing transmission space, a right side rack slidably connected to a side wall of the door opening and closing transmission space, two fixed steel bars fixedly connected to a rear side wall of the left side rack, a slider fixedly connected to a lower side of the fixed steel bars, a left elevator door fixedly connected to the slider, two sliders fixedly connected to a rear side wall of the right side rack, a right elevator door fixedly connected to a lower side of the two sliders, a slider slidably connected to a rear side of the elevator main body, a sliding plate slidably connected to a rear side of the elevator main body, a switching motor fixedly connected to the sliding plate, a fixed plate fixedly connected to an inner wall of a lower side of the left elevator door, and a return spring fixedly connected between the fixed plate and the, the left side of the switch motor is dynamically connected with a movable dog tooth shaft, the left side of the movable dog tooth shaft is fixedly connected with dog teeth, a convex block is fixedly connected above the sliding plate, a touch rod is fixedly connected below the hinged block, the lower part of the touch rod is abutted against the convex block, dog teeth are meshed on the left sides of the dog teeth, dog tooth shafts are fixedly connected on the left sides of the dog teeth, switch gears are fixedly connected on the left sides of the dog tooth shafts, the upper side of the switch gear is meshed with the left rack, the lower side of the switch gear is meshed with the right rack, when the switch device needs to be started, the sliding plate is started to drive the movable dog tooth shaft to rotate, the dog teeth and the dog teeth initially belong to an engaged state, thereby driving the switch gear to rotate, and the switch gear rotates to drive the left rack and the right rack to move horizontally, thereby driving the left elevator door and the right elevator door to be opened and closed.
Preferably, the power control device comprises a sliding plate slidably connected to the inner wall of the lower side of the left elevator door, a switch motor is fixedly connected to the sliding plate, a fixed plate is fixedly connected to the inner wall of the lower side of the left elevator door, a return spring is fixedly connected between the fixed plate and the sliding plate, a movable dog tooth shaft is dynamically connected to the left side of the switch motor, dog teeth are fixedly connected to the left side of the movable dog tooth shaft, a convex block is fixedly connected to the upper side of the sliding plate, a contact rod is fixedly connected to the lower side of the hinge block, the lower side of the contact rod is abutted against the convex block, dog teeth are meshed to the left side of the dog teeth, a dog tooth shaft is fixedly connected to the left side of the dog tooth shaft, a switch gear is fixedly connected to the left side of the dog tooth shaft, the upper side of the, the hinged block moves downwards, so that the contact rod moves downwards, the contact rod abuts against the convex block, so that the sliding plate moves rightwards, the dog teeth on the left side are not meshed with the movable dog teeth shaft, and the power source of the switch gear is cut off.
In conclusion, the beneficial effects of the invention are as follows: under the condition that the acceleration of the elevator main body is suddenly changed, the emergency stop mechanism is controlled through the brake control spring to play the role of emergency stop, the switching power source of the elevator door can be disconnected when the emergency stop mechanism is started, the safety of passengers in the elevator is ensured, and the resetting of the safety system after the safety of the elevator is simpler and more convenient than that of the traditional elevator safety system.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic overall full-section front view structure diagram of a novel elevator safety system of the invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the present invention at B of FIG. 1;
fig. 4 is a cross-sectional view of C-C of fig. 1 in accordance with the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a novel elevator safety system comprises a shell 33, wherein an emergency stop space 11 is arranged in the shell 33, a door opening and closing transmission space 12 is arranged at the lower side of the emergency stop space 11, a power lifting space 13 is arranged at the upper side of the emergency stop space 11, an emergency stop space baffle 15 is fixedly connected with the left inner side wall and the right inner side wall of the shell 33, a fixed clamping block 16 is fixedly connected onto the emergency stop space baffle 15, a fixed clamping block 68 is fixedly connected onto the emergency stop space baffle 15, a movable clamping block 69 is slidably connected onto the lower side surface of the fixed clamping block 68, a movable clamping block 17 is slidably connected onto the lower side surface of the fixed clamping block 16, two hinges 20 which are symmetrical about a central shaft are fixedly connected onto the inclined side surface of the emergency stop space baffle 15, a brake swing rod 19 is hinged onto the hinges 20, a brake contact 18 is fixedly connected onto the left side of the brake swing rod 19, two spring fixed plate 23 of symmetry fixed connection in the left and right sides of sleeve 25, spring fixed plate 23 with fixedly connected with brake control spring 24 between scram space baffle 15, sleeve 25 downside fixedly connected with articulates piece 22, articulate piece 22 left side articulated brake link 21, brake link 21 left side is articulated brake pendulum rod 19, it articulates articulated piece 22 right side brake link 63, scram space baffle 15 downside fixedly connected with brake link 63, it has brake pendulum rod 64 to articulate on the brake link 63, brake pendulum rod 64 left side is articulated piece 22, brake pendulum rod 64 right side fixed connection brake contact 66, brake contact 66 can offset with removal clamp 69, lateral wall fixedly connected with baffle 37 about power space casing 34, fixedly connected with motor 35 on the baffle 37, a power shaft 38 is dynamically connected to the left side of the motor 35, the rope winding wheel 36 is fixedly connected to the left side of the power shaft 38, the main hoisting rope 26 is wound on the rope winding wheel 36, the lower side of the main hoisting rope 26 is fixedly connected to the hinge block 22, when the main hoisting rope 26 is suddenly disconnected or the elevator obtains an excessive downward acceleration due to some reason, the tension on the main hoisting rope 26 is insufficient to maintain the balance of the brake control spring 24, the brake control spring 24 makes the brake link 21 move downward in the process of restoring deformation, the brake link 21 moves downward to make the brake link 21 move downward, and the brake contact 18 rotates clockwise around the hinge 20 to enable the brake contact 18 to abut against the movable clamp block 17, so that the movable clamp block 17 slides upward to clamp the spare hoisting rope 27, and the brake link 21 moves downward, the brake connecting rod 63 moves downwards, so that the brake swing rod 64 rotates anticlockwise around the brake connecting rod 63, the brake contact 66 is abutted to the movable clamping block 69, the movable clamping block 69 slides upwards to tighten the standby lifting rope 28, and an emergency stop function is achieved, a fault lifting device used for lifting an elevator fault is arranged in the power lifting space 13, an emergency stop device used for starting the elevator fault is arranged in the emergency stop space 11, a switch device used for opening and closing an elevator door is arranged in the door opening and closing transmission space 12, and a power control device used for cutting off a power source of the door opening and closing device when the elevator fault occurs is arranged in the door opening and closing transmission space 12.
In addition, in one embodiment, the fault hoisting device comprises the partition 37 fixedly connected in the power space housing 34, two symmetrical left and right side blocking plates 71 and 72 are fixedly connected to the lower side of the partition 37, a trigger plate 42 is slidably connected in the left and right side blocking plates 71 and 72, a fixed plate 44 is fixedly connected to the left side of the right side blocking plate 72, three hoisting control springs 43 are fixedly connected to the fixed plate 44 and the trigger plate 42, a hoisting rope winding wheel 41 is fixedly connected to the upper side of the trigger plate 42, a standby motor 39 is fixedly connected to the upper side of the trigger plate 42, a standby power shaft 40 is dynamically connected to the right side of the standby motor 39, the hoisting rope winding wheel 41 is fixedly connected to the right side of the standby power shaft 40, the standby hoisting rope 28 is wound on the hoisting rope winding wheel 41, when the standby hoisting rope 28 and the standby hoisting rope 27 are clamped by the movable clamping block 69 and the movable clamping block 17, the tension on the backup hoisting rope 27 and the backup hoisting rope 28 increases so that the hoisting control spring 43 compresses and the trigger plate 42 abuts against the fixed plate 44, generating a signal to the backup motor 39 to operate it, the backup motor 39 operates to rotate the hoisting rope winding wheel 41 and the hoisting rope winding wheel 41 rotates, thereby pulling up the backup hoisting rope 28 and the backup hoisting rope 27 so that the elevator body is hoisted.
In addition, in one embodiment, the opening and closing device comprises a left side rack 47 slidably connected to the upper side wall of the door opening and closing transmission space 12, a right side rack 48 slidably connected to the lower side wall of the door opening and closing transmission space 12, two fixing steel bars 54 fixedly connected to the rear side wall of the left side rack 47, a sliding block 53 fixedly connected to the lower side of the fixing steel bar 54, a left side elevator door 51 fixedly connected to the sliding block 53, two sliding blocks 49 fixedly connected to the rear side wall of the right side rack 48, a right side elevator door 50 fixedly connected to the lower side of the two sliding blocks 49, a sliding block 53 slidably connected to the rear side of the elevator main body 52, a sliding plate 60 slidably connected to the inner wall of the lower side of the left side elevator door 51, a switching motor 59 fixedly connected to the sliding plate 60, and a fixing plate 74 fixedly connected, a return spring 73 is fixedly connected between the fixed plate 74 and the sliding plate 60, a movable dog tooth shaft 58 is dynamically connected to the left side of the switch motor 59, a dog tooth 57 is fixedly connected to the left side of the movable dog tooth shaft 58, a convex block 61 is fixedly connected to the upper side of the sliding plate 60, a contact rod 75 is fixedly connected to the lower side of the hinge block 22, the lower side of the contact rod 75 is abutted to the convex block 61, a dog tooth 56 is engaged with the left side of the dog tooth 57, a dog tooth shaft 46 is fixedly connected to the left side of the dog tooth 56, a switch gear 45 is fixedly connected to the left side of the dog tooth shaft 46, the upper side of the switch gear 45 is engaged with the left side rack 47, the lower side of the switch gear 45 is engaged with the right side rack 48, when the switch device needs to be started, the sliding plate 60 is started to drive the movable dog tooth shaft 58 to, thereby rotating the switch gear 45, and the rotation of the switch gear 45 drives the left rack 47 and the right rack 48 to move horizontally, so as to drive the left elevator door 51 and the right elevator door 50 to open and close.
In addition, in one embodiment, the power control device comprises a sliding plate 60 slidably connected to the inner wall of the lower side of the left elevator door 51, a switch motor 59 fixedly connected to the sliding plate 60, a fixed plate 74 fixedly connected to the inner wall of the lower side of the left elevator door 51, a return spring 73 fixedly connected between the fixed plate 74 and the sliding plate 60, a movable dog shaft 58 dynamically connected to the left side of the switch motor 59, a dog tooth 57 fixedly connected to the left side of the movable dog shaft 58, a convex block 61 fixedly connected to the upper side of the sliding plate 60, a contact rod 75 fixedly connected to the lower side of the hinge block 22, the contact rod 75 abutting against the convex block 61, a dog tooth 56 engaged with the left side of the dog tooth 57, a dog shaft 46 fixedly connected to the left side of the dog tooth shaft 46, a switch gear 45 fixedly connected to the left side of the dog shaft 46, and a left rack 47, the lower side of the switch gear 45 is engaged with the right rack 48, when the scram device is activated, the hinge block 22 moves downwards, so that the trolley 75 moves downwards, the trolley 75 abuts against the convex block 61, so that the sliding plate 60 moves to the right, the left dog teeth 57 are not engaged with the movable dog teeth shaft 58, and the power source of the switch gear 45 is cut off.
In the initial state, spring 24 is in a compressed state, neither 18 nor 66 is in contact with 17 and 66, motor 39 is not in operation, and dog teeth 56 and 57 are in engagement.
When the main hoisting rope 26 is suddenly disconnected or the elevator obtains excessive downward acceleration due to some reasons, the tension of the main hoisting rope 26 is insufficient to maintain the balance of the brake control spring 24, the brake control spring 24 makes the brake link 21 move downwards in the process of restoring the deformation, the brake link 21 moves downwards to make the brake link 21 move downwards, the moderate brake contact 18 rotates clockwise around the hinge 20 to make the brake contact 18 abut against the movable clamping block 17, so that the movable clamping block 17 slides upwards to clamp the standby hoisting rope 27, the brake link 21 moves downwards to make the brake link 63 move downwards, so that the brake swing rod 64 rotates anticlockwise around the brake link 63 to make the brake contact 66 abut against the movable clamping block 69, so that the movable clamping block 69 slides upwards to clamp the standby hoisting rope 28 to achieve the emergency stop function, when the movable clamping block 69 and the movable clamping block 17 clamp the standby hoisting rope 28 and the standby hoisting rope 27, the pulling force of the standby hoisting rope 27 and the standby hoisting rope 28 is increased to compress the hoisting control spring 43, so that the trigger plate 42 is pressed against the fixed plate 44 to generate a signal transmitted to the standby motor 39 to operate, the standby motor 39 operates to rotate the hoisting rope winding wheel 41, the hoisting rope winding wheel 41 rotates to pull up the standby hoisting rope 28 and the standby hoisting rope 27, so that the elevator main body is hoisted, when the switching device needs to be started, the sliding plate 60 is started to drive the movable dog shaft 58 to rotate, the dog teeth 57 and the dog teeth 56 are initially in a meshing state to drive the switching gear 45 to rotate, the switching gear 45 rotates to drive the left rack 47 and the right rack 48 to horizontally move, so as to drive the left elevator door 51 and the right elevator door 50 to be switched, when the emergency stop device is started, the hinge block 22 moves downwards to drive the contact rod 75 to move downwards, the contact rod 75 is pressed against the bump 61 to move the sliding plate 60 to the right, so that the left dog tooth 57 and the movable dog tooth shaft 58 are no longer engaged, and the power source of the switch gear 45 is cut off.
The invention has the beneficial effects that: under the condition that the acceleration of the elevator main body is suddenly changed, the emergency stop mechanism is controlled through the brake control spring to play the role of emergency stop, the switching power source of the elevator door can be disconnected when the emergency stop mechanism is started, the safety of passengers in the elevator is ensured, and the resetting of the safety system after the safety of the elevator is simpler and more convenient than that of the traditional elevator safety system.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims (4)

1. A new elevator safety system comprising a housing characterized by: the emergency stop space is arranged in the shell, the door opening and closing transmission space is arranged at the lower side of the emergency stop space, the power lifting space is arranged at the upper side of the emergency stop space, the emergency stop space baffle is fixedly connected with the left inner side wall and the right inner side wall of the shell, the fixed clamping block is fixedly connected onto the emergency stop space baffle, the lower side surface of the fixed clamping block is slidably connected with the movable clamping block, two hinges which are symmetrical about a central shaft are fixedly connected onto the inclined side surface of the emergency stop space baffle, the brake swing rod is hinged onto the hinges, the brake contact is fixedly connected to the left side of the brake swing rod, the sleeve is slidably connected into the emergency stop space baffle, the left side and the right side of the sleeve are fixedly connected with two spring fixing plates symmetrically, and a brake control spring is fixedly connected between the, the lower side of the sleeve is fixedly connected with an articulated block, the left side of the articulated block is articulated with a brake connecting rod, the left side of the brake connecting rod is articulated with a brake oscillating rod, the right side of the articulated block is articulated with the brake connecting rod, the lower side of the emergency stop space baffle is fixedly connected with the brake connecting rod, the brake oscillating rod is articulated with the brake oscillating rod, the left side of the brake oscillating rod is articulated with the articulated block, the right side of the brake oscillating rod is fixedly connected with a brake contact, the brake contact can be abutted against the movable clamping block, the left side wall and the right side wall of the power space shell are fixedly connected with clapboards, the clapboards are fixedly connected with a motor, the left side of the motor is dynamically connected with a power shaft, the left side of the power shaft is fixedly connected with the rope winding wheel, a main lifting rope is wound on the rope winding wheel, the lower side of the, the tension on the main hoisting rope is not enough to maintain the balance of the brake control spring, the brake control spring makes a brake connecting rod move downwards in the process of recovering deformation, the brake connecting rod moves downwards to make the brake connecting rod move downwards, the brake contact appropriately rotates clockwise around the hinge to make the brake contact abut against the movable clamping block, so that the movable clamping block slides upwards to clamp the standby hoisting rope, the brake connecting rod moves downwards to make the brake connecting rod move downwards, so that the brake oscillating bar rotates anticlockwise around the brake connecting rod to make the brake contact abut against the movable clamping block, so that the movable clamping block slides upwards to clamp the standby hoisting rope, and the emergency stop function is achieved, and a fault hoisting device used for hoisting an elevator in fault is arranged in the power hoisting space, the emergency stop space is internally provided with an emergency stop device used for starting when the elevator fails, the door opening and closing transmission space is internally provided with a door opening and closing device used for opening and closing the elevator door, and the door opening and closing transmission space is internally provided with a power control device used for cutting off a power source of the door opening and closing device when the elevator fails.
2. A new elevator safety system according to claim 1, characterized in that: the fault hoisting device comprises the partition board fixedly connected in the power space shell, the lower side of the partition board is fixedly connected with two symmetrical left side baffle plates and right side baffle plates, the left side baffle plates and the right side baffle plates are slidably connected with a trigger plate, the left side of the right side baffle plates is fixedly connected with a fixed plate, the fixed plate and the trigger plate are fixedly connected with three hoisting control springs, the upper side of the trigger plate is fixedly connected with a hoisting rope winding wheel, the upper side of the trigger plate is fixedly connected with a standby motor, the right side of the standby motor is dynamically connected with a standby power shaft, the right side of the standby power shaft is fixedly connected with the hoisting rope winding wheel, the standby hoisting rope is wound on the hoisting rope winding wheel, and when the standby hoisting rope and the standby hoisting rope are clamped by the movable clamping block and the movable clamping block, the tensile force on the standby hoisting rope and the standby, the lifting control spring is compressed, the trigger plate is pressed against the fixed plate, a signal transmitted to the standby motor is generated to operate the standby motor, the standby motor operates to enable the lifting rope winding wheel to rotate, the lifting rope winding wheel rotates, and therefore the standby lifting rope and the standby lifting rope are lifted, and the elevator main body is lifted.
3. A new elevator safety system according to claim 1, characterized in that: the switching device comprises a left side rack slidably connected to the upper side wall of the door opening and closing transmission space, a right side rack slidably connected to the lower side wall of the door opening and closing transmission space, two fixed steel bars fixedly connected to the rear side wall of the left side rack, slide blocks fixedly connected to the lower sides of the fixed steel bars, a left elevator door fixedly connected to the slide blocks, two slide blocks fixedly connected to the rear side wall of the right side rack, a right elevator door fixedly connected to the lower sides of the two slide blocks, a slide block slidably connected to the rear side of the elevator main body, a sliding plate slidably connected to the inner wall of the lower side of the left elevator door, a switching motor fixedly connected to the sliding plate, a fixed plate fixedly connected to the inner wall of the lower side of the left elevator door, and, the left side of the switch motor is dynamically connected with a movable dog tooth shaft, the left side of the movable dog tooth shaft is fixedly connected with dog teeth, a convex block is fixedly connected above the sliding plate, a touch rod is fixedly connected below the hinged block, the lower part of the touch rod is abutted against the convex block, dog teeth are meshed on the left sides of the dog teeth, dog tooth shafts are fixedly connected on the left sides of the dog teeth, switch gears are fixedly connected on the left sides of the dog tooth shafts, the upper side of the switch gear is meshed with the left rack, the lower side of the switch gear is meshed with the right rack, when the switch device needs to be started, the sliding plate is started to drive the movable dog tooth shaft to rotate, the dog teeth and the dog teeth initially belong to an engaged state, thereby driving the switch gear to rotate, and the switch gear rotates to drive the left rack and the right rack to move horizontally, thereby driving the left elevator door and the right elevator door to be opened and closed.
4. A new elevator safety system according to claim 1, characterized in that: the power control device comprises a sliding plate which is connected with the inner wall of the lower side of the left elevator door in a sliding way, a switch motor is fixedly connected onto the sliding plate, a fixed plate is fixedly connected onto the inner wall of the lower side of the left elevator door, a reset spring is fixedly connected between the fixed plate and the sliding plate, a movable dog tooth shaft is dynamically connected to the left side of the switch motor, dog teeth are fixedly connected to the left side of the movable dog tooth shaft, a convex block is fixedly connected onto the upper portion of the sliding plate, a contact rod is fixedly connected onto the lower portion of the hinge block, the lower portion of the contact rod is abutted against the convex block, dog teeth are meshed with the left side of the dog teeth, a dog tooth shaft is fixedly connected onto the left side of the dog tooth shaft, a switch gear is fixedly connected onto the left side of the dog tooth shaft, the upper side of the switch, the feeler lever moves downwards, the feeler lever abuts against the convex block so as to enable the sliding plate to move rightwards, the dog teeth on the left side are not meshed with the movable dog teeth shaft, and the power source of the switch gear is cut off.
CN202010504667.0A 2020-06-05 2020-06-05 Novel elevator safety system Withdrawn CN111591851A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010504667.0A CN111591851A (en) 2020-06-05 2020-06-05 Novel elevator safety system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010504667.0A CN111591851A (en) 2020-06-05 2020-06-05 Novel elevator safety system

Publications (1)

Publication Number Publication Date
CN111591851A true CN111591851A (en) 2020-08-28

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Family Applications (1)

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CN202010504667.0A Withdrawn CN111591851A (en) 2020-06-05 2020-06-05 Novel elevator safety system

Country Status (1)

Country Link
CN (1) CN111591851A (en)

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