CN212374653U

CN212374653U - Elevator with prevent falling function

Info

Publication number: CN212374653U
Application number: CN202020752874.3U
Authority: CN
Inventors: 蔡银夏; 颜秉威
Original assignee: Jiangsu Lingzhi Elevator Manufacturing Co ltd
Current assignee: Jiangsu Lingzhi Elevator Manufacturing Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-01-19
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses an elevator with a falling prevention function, which comprises a lift car, a first falling prevention structure, a second falling prevention structure and a damping structure; a car: the sliding chute arranged in the middle of the left wall surface is in sliding connection with the sliding rail in the middle of the inner wall surface on the left side of the shaft, and the sliding chute arranged in the middle of the right wall surface is in sliding connection with the sliding rail in the middle of the inner wall surface on the right side of the shaft; first dropproof structure: the middle part of the upper surface of the lift car; the second anti-falling structure: the left side and the right side of the upper end of the lift car are provided with a plurality of guide rails; shock-absorbing structure: the bottom surface is arranged in the car; wherein: the left side internal face of well vertically is provided with evenly distributed's laser speed sensor, and the input of outside PCL controller is connected to laser speed sensor's output electricity, this have prevent falling the elevator of function, and two structures are mutually supported, earlier through the falling speed who slows down the car, prevent falling of car again, effectively avoid the car scram to cause the injury to the person of taking.

Description

Elevator with prevent falling function

Technical Field

The utility model relates to an elevator prevents falling technical field, specifically is an elevator with prevent falling function.

Background

An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying passengers or goods in a multi-story building to serve a fixed lifting device at a given floor, having a car which runs between at least two vertical rows of rigid guide rails or inclined at an angle of less than 15 DEG, the car being dimensioned and configured to facilitate the passage of passengers in and out of or the loading and unloading of goods. The security of elevator is the most important part in the elevator design always, in the elevator, the dropproof of car, and is especially important, but traditional elevator dropproof device still has a great deal of not enough, the dropproof single structure, can not be earlier through the falling velocity who slows down the car, prevent falling of car again, the impact force that the personnel born in the car is stronger, can't avoid the car scram to the injury that the personnel caused, can not make trapped personnel obtain timely rescue when elevator trouble, consequently can solve the realization of the elevator that has the dropproof function of this kind of problem and be imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an elevator with prevent falling function, two structures are mutually supported, earlier through the falling speed who slows down the car, stop falling of car again, and the impact force that the passenger bore in the buffering car effectively avoids the car scram to cause the injury to the passenger, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an elevator with a falling prevention function comprises a car, a first falling prevention structure, a second falling prevention structure and a damping structure;

a car: the sliding chutes arranged in the middle of the left and right outer wall surfaces are respectively in sliding connection with the sliding rails in the middle of the left and right inner wall surfaces of the shaft way;

first dropproof structure: the middle part of the upper surface of the lift car;

the second anti-falling structure: the left side and the right side of the upper end of the lift car are provided with a plurality of guide rails;

shock-absorbing structure: the bottom surface is arranged in the car;

wherein: the left side internal face of well vertically is provided with evenly distributed's laser tachometer sensor, and the input of outside PCL controller is connected to laser tachometer sensor's output electricity, and two structures are mutually supported, earlier through the falling speed who slows down the car, prevent falling of car again, and the impact force that the passenger bore in the buffering car effectively avoids the car scram to cause the injury to the passenger, can make stranded personnel obtain timely rescue when the elevator trouble.

Further, first dropproof structure includes elasticity wire rope, gim peg, couple, built-in slider, supporting shoe, electric putter and fixed plate, the fixed plate sets up in the upper surface front side of car, electric putter sets up in the back wall of fixed plate, the front end of built-in slider and electric putter's flexible fixed connection, the supporting shoe sets up in the upper surface rear side of car, the inside spout and the built-in slider sliding connection of supporting shoe, the couple sets up in the rear end head department of built-in slider, the gim peg evenly sets up in the well left and right sides internal face rear side, evenly distributed's elasticity wire rope both ends and the gim peg fixed connection that corresponds, outside PCL controller is connected to electric putter's input electricity, stop the car to fall through frictional force.

Further, the second dropproof structure includes motor, splint, slider, accommodate the lead screw and bar spout, the bar spout sets up in the upper end left and right sides of car, accommodate the lead screw's back side end passes through the bearing and is connected with the rotation of bar spout inner wall, both ends screw thread opposite direction around the accommodate the lead screw, the bottom of slider respectively with accommodate the lead screw's both ends threaded connection, the slider and the bar spout sliding connection at slider both ends, splint set up in the upper surface of slider, the motor sets up in the last wall body front end of car, the output shaft of motor passes through shaft coupling and accommodate the lead screw's front end fixed connection, outside PCL controller is connected to the input electricity of motor, prevent that the car from falling, avoid the car scram to cause the injury to inside personnel.

Further, shock-absorbing structure includes roof and spring, the spring evenly sets up in the inside bottom surface of car, the lower surface of roof and the upper end fixed connection of spring, and the roof is located the inside of car, can cushion the impact force that the inside personnel of car bore, avoids causing the injury to the passenger in the car.

Further, still include the alarm, the alarm sets up in the internal face middle part of car, and the output of outside PLC controller is connected to the input electricity of alarm, in time notifies rescue maintenance personal when the elevator trouble, makes the passenger in the car can in time accept the rescue.

Compared with the prior art, the beneficial effects of the utility model are that: this elevator with prevent falling function has following benefit:

1. through the regulation and control of outside PCL controller, two motors begin to operate, the output shaft rotates, because accommodate the lead screw's back side end passes through bearing and bar spout inner wall and rotates to be connected, both ends screw thread opposite direction around the accommodate the lead screw, the bottom of slider respectively with accommodate the lead screw's both ends threaded connection, the slider and the bar spout sliding connection at slider both ends, the output shaft of motor passes through shaft coupling and accommodate the lead screw's front end fixed connection, can realize the slider and move in opposite directions, splint move along with the slider in opposite directions, and then realize splint to the centre gripping of the slide rail front and back lateral wall at internal face middle part about the well, splint and the slide rail at internal face middle part produce the friction about the well, reduce the falling speed of car through the frictional force between the slide rail at internal face middle part.

2. Regulation and control through outside PCL controller, the flexible operation of electric putter, because the inside spout and the built-in slider sliding connection of supporting shoe, can realize that built-in slider slides backward along with the flexible operation of electric putter, and then realize the couple rearward movement, the couple removes to the position that corresponds with evenly distributed's elasticity wire rope, the couple hangs on elasticity wire rope, the power that the car falls can be cushioned to elasticity wire rope's tension, cushion the falling power of car, when elasticity wire rope extends to the maximum extension length, realize hanging to the car, first dropproof structure and second dropproof structure can mutually support, earlier through the falling speed who slows down the car, prevent falling of car again, effectively avoid the car scram to cause the injury to the person of taking.

3. The spring evenly sets up in the inside bottom surface of car, and the lower surface of roof and the upper end fixed connection of spring can cushion the interior impact force that the passenger bore of car, avoid causing the injury to the passenger in the car.

Drawings

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

fig. 2 is a schematic view of a first fall prevention structure and a second fall prevention structure of the present invention;

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

In the figure: the elevator car anti-falling system comprises a car 1, a hoistway 2, a laser speed measuring sensor 3, a first anti-falling structure 4, an elastic steel wire rope 41, a fixing bolt 42, a hook 43, a built-in sliding block 44, a supporting block 45, an electric push rod 46, a fixing plate 47, a second anti-falling structure 5, a motor 51, a clamping plate 52, a sliding block 53, an adjusting screw rod 54, a strip-shaped sliding groove 55, an alarm 6, a damping structure 7, a top plate 71 and a spring 72.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an elevator with a falling prevention function comprises a car 1, a first falling prevention structure 4, a second falling prevention structure 5 and a damping structure 7;

car 1: the sliding chutes arranged in the middle of the left and right outer wall surfaces are respectively connected with the sliding rails in the middle of the left and right inner wall surfaces of the hoistway 2 in a sliding manner;

first fall arrest structure 4: the first anti-falling structure 4 comprises an elastic steel wire rope 41, a fixed bolt 42, a hook 43, a built-in slider 44, a supporting block 45, an electric push rod 46 and a fixed plate 47, the fixed plate 47 is arranged on the front side of the upper surface of the car 1, the electric push rod 46 is arranged on the rear wall surface of the fixed plate 47, the front end of the built-in slider 44 is fixedly connected with the telescopic end of the electric push rod 46, the supporting block 45 is arranged on the rear side of the upper surface of the car 1, an internal chute of the supporting block 45 is slidably connected with the built-in slider 44, the hook 43 is arranged at the rear end head of the built-in slider 44, the fixed bolts 42 are uniformly arranged on the rear side of the left and right inner wall surfaces of the hoistway 2, two ends of the uniformly distributed elastic steel wire rope 41 are fixedly connected with the corresponding fixed bolts 42, the input end of the electric push rod 46, because the inside spout and the built-in slider 44 sliding connection of supporting shoe 45, can realize that built-in slider 44 slides backward along with the flexible operation of electric putter 46, and then realize couple 43 rearward movement, couple 43 moves to the position that corresponds with elasticity wire rope 41, couple 43 hangs on elasticity wire rope 41, the power that car 1 fell can be cushioned to elasticity wire rope 41's tension, cushion car 1's the power that falls, when elasticity wire rope 41 extended to the maximum extension length, realize hanging car 1, earlier through the falling speed who slows down car 1, prevent falling of car 1 again, effectively avoid the car scram to cause the injury to the personnel of taking.

Second fall arrest structure 5: the second anti-falling structure 5 comprises a motor 51, a clamping plate 52, a sliding block 53, a regulating screw rod 54 and a strip-shaped sliding groove 55, the strip-shaped sliding groove 55 is arranged on the left side and the right side of the upper end of the car 1, the rear side end head of the regulating screw rod 54 is rotationally connected with the inner wall of the strip-shaped sliding groove 55 through a bearing, the front end and the rear end of the regulating screw rod 54 are opposite in thread direction, the bottom end of the sliding block 53 is respectively in threaded connection with the two ends of the regulating screw rod 54, the sliding blocks at the two ends of the sliding block 53 are in sliding connection with the strip-shaped sliding groove 55, the clamping plate 52 is arranged on the upper surface of the sliding block 53, the motor 51 is arranged at the front end of the upper wall body of the car 1, the output shaft of the motor 51 is fixedly connected with the front end of the regulating screw rod 54 through a coupler, the input end of the motor 51 is electrically connected with an, the screw thread direction of the front end and the rear end of the adjusting screw rod 54 is opposite, the bottom end of the sliding block 53 is respectively in threaded connection with the two ends of the adjusting screw rod 54, the sliding blocks at the two ends of the sliding block 53 are in sliding connection with the strip-shaped sliding groove 55, the output shaft of the motor 51 is fixedly connected with the front end of the adjusting screw rod 54 through the coupler, the sliding block 53 can move in the opposite direction, the clamping plate 52 moves in the opposite direction along with the sliding block 53, clamping of the clamping plate 52 on the front side wall and the rear side wall of the sliding rail in the middle of the left inner wall surface and the right inner wall surface of the well 2 is realized, friction is generated between the clamping plate 52 and the sliding rail in the.

The damping structure 7: set up in the inside bottom surface of car 1, spring 72 evenly sets up in the inside bottom surface of car 1, the lower surface of roof 71 and the upper end fixed connection of spring 72, and roof 71 is located car 1's inside, can cushion the impact force that the passenger bore in the car 1, avoids causing the injury to the passenger in the car.

Wherein: the inner wall surface of the left side of the well 2 is longitudinally provided with laser speed measuring sensors 3 which are uniformly distributed, the output ends of the laser speed measuring sensors 3 are electrically connected with the input end of an external PCL controller, the passing time difference of the lower surface and the upper surface of the lift car 1 is sensed through laser, the moving speed of the lift car 1 is measured, and the measuring structure is presented to the external PCL controller.

Wherein: still include alarm 6, alarm 6 sets up in the internal face middle part of car 1, and the output of outside PLC controller is connected to alarm 6's input electricity, and alarm 6 makes things convenient for the interior personnel of taking of car 1 in time to inform rescue maintenance personal when the elevator trouble, makes 1 inside personnel of taking of car can in time accept the rescue.

When in use: in the running process of the elevator, because the laser speed measuring sensors 3 which are uniformly distributed are longitudinally arranged on the inner wall surface of the left side of the hoistway 2, the moving speed of the car 1 can be measured by sensing the time difference of the passing time of the lower surface and the upper surface of the car 1 through laser, and the measuring structure is presented to an external PCL controller, when the moving speed of the car 1 is higher than the normal moving speed of the car 1, two motors 51 start to operate through the regulation and control of the external PCL controller, an output shaft rotates, because the rear end head of an adjusting screw rod 54 is rotationally connected with the inner wall of a strip-shaped sliding groove 55 through a bearing, the front end and the rear end of the adjusting screw rod 54 have opposite thread directions, the bottom ends of sliding blocks 53 are respectively in threaded connection with the two ends of the adjusting screw rod 54, the sliding blocks at the two ends of the sliding blocks 53 are in sliding connection with the, the clamping plates 52 move oppositely along with the sliding blocks 53, so that the clamping plates 52 clamp the front and rear side walls of the sliding rails at the middle parts of the left and right inner wall surfaces of the hoistway 2, the clamping plates 52 generate friction with the sliding rails at the middle parts of the left and right inner wall surfaces of the hoistway 2, the falling speed of the car 1 is reduced through the friction force between the clamping plates 52 and the sliding rails at the middle parts of the left and right inner wall surfaces of the hoistway 2, so that the falling of the car 1 is prevented, meanwhile, the electric push rod 46 stretches and retracts to operate under the regulation and control of an external PCL controller, because the internal sliding grooves of the supporting blocks 45 are in sliding connection with the built-in sliding blocks 44, the built-in sliding blocks 44 can slide backwards along with the stretching and retracting operation of the electric push rod 46, so that the hooks 43 move backwards, the hooks 43 move to positions corresponding to the elastic steel wire, when elasticity wire rope 41 extended to the biggest extension length, the realization was to hanging of car 1, first dropproof structure 4 and second dropproof structure 5 can mutually support, earlier through the falling speed who slows down car 1, prevent falling of car 1 again, effectively avoid the car scram to cause the injury to the person of taking, because spring 72 evenly sets up in the inside bottom surface of car 1, the lower surface of roof 71 and the upper end fixed connection of spring 72, can cushion the impact force that the person of taking of car 1 bore, avoid causing the injury to the person of taking in the car, alarm 6 makes things convenient for the person of taking in the car 1 in time to inform rescue maintenance personnel when the elevator trouble, make the inside person of taking of car 1 in time accept the rescue.

It is worth noting that the laser speed measuring sensor 3 disclosed in the embodiment can be selected from a type SJGC-18-5-1 laser speed measuring sensor, the motor 51 can be selected from a type YEJ 3-112M-4 series three-phase asynchronous motor, the electric push rod 46 can be selected from a type DT60 electric push rod, the alarm 6 can be selected from a type KNZD-36 wall-mounted alarm, and the alarm 6, the motor 51 and the electric push rod 46 are controlled by an external PLC controller to work by a method commonly used in the prior art.

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. The utility model provides an elevator with prevent falling function which characterized in that: the elevator car comprises a car (1), a first anti-falling structure (4), a second anti-falling structure (5) and a damping structure (7);

car (1): the sliding chute arranged in the middle of the left wall surface is in sliding connection with the sliding rail in the middle of the inner wall surface on the left side of the hoistway (2), and the sliding chute arranged in the middle of the right wall surface is in sliding connection with the sliding rail in the middle of the inner wall surface on the right side of the hoistway (2);

first fall protection structure (4): the middle part of the upper surface of the lift car (1) is provided;

second fall protection structure (5): are arranged at the left side and the right side of the upper end of the lift car (1);

damping structure (7): is arranged on the inner bottom surface of the cage (1);

wherein: the inner wall surface of the left side of the well (2) is longitudinally provided with laser speed measuring sensors (3) which are uniformly distributed, and the output end of each laser speed measuring sensor (3) is electrically connected with the input end of an external PCL controller.

2. The elevator with the falling prevention function according to claim 1, characterized in that: the first anti-falling structure (4) comprises an elastic steel wire rope (41), fixing bolts (42), a hook (43), a built-in slider (44), a supporting block (45), an electric push rod (46) and a fixing plate (47), the fixing plate (47) is arranged on the front side of the upper surface of the lift car (1), the electric push rod (46) is arranged on the rear wall surface of the fixing plate (47), the front end of the built-in slider (44) is fixedly connected with the telescopic end of the electric push rod (46), the supporting block (45) is arranged on the rear side of the upper surface of the lift car (1), an internal sliding groove of the supporting block (45) is in sliding connection with the built-in slider (44), the hook (43) is arranged at the head of the rear end of the built-in slider (44), the fixing bolts (42) are uniformly arranged on the rear sides of the left and right inner wall surfaces of the lift well (2), and two, the input end of the electric push rod (46) is electrically connected with an external PCL controller.

3. The elevator with the falling prevention function according to claim 1, characterized in that: the second anti-falling structure (5) comprises a motor (51), a clamping plate (52), a sliding block (53), an adjusting screw rod (54) and a strip-shaped sliding groove (55), bar spout (55) set up in the upper end left and right sides of car (1), the back side end of accommodate the lead screw (54) passes through the bearing and is connected with bar spout (55) inner wall rotation, both ends screw thread opposite direction around accommodate the lead screw (54), the bottom of slider (53) respectively with the both ends threaded connection of accommodate the lead screw (54), the slider and bar spout (55) sliding connection at slider (53) both ends, splint (52) set up in the upper surface of slider (53), motor (51) set up in the last wall body front end of car (1), the output shaft of motor (51) passes through the front end fixed connection of shaft coupling and accommodate the lead screw (54), outside PCL controller is connected to the input electricity of motor (51).

4. The elevator with the falling prevention function according to claim 1, characterized in that: shock-absorbing structure (7) include roof (71) and spring (72), spring (72) evenly set up in the inside bottom surface of car (1), the lower surface of roof (71) and the upper end fixed connection of spring (72), and roof (71) are located the inside of car (1).

5. The elevator with the falling prevention function according to claim 1, characterized in that: still include alarm (6), alarm (6) set up in the internal face middle part of car (1), and the output of outside PLC controller is connected to the input electricity of alarm (6).