CN110482367B - Emergency brake device for elevator - Google Patents
Emergency brake device for elevator Download PDFInfo
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- CN110482367B CN110482367B CN201910821983.8A CN201910821983A CN110482367B CN 110482367 B CN110482367 B CN 110482367B CN 201910821983 A CN201910821983 A CN 201910821983A CN 110482367 B CN110482367 B CN 110482367B
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- elevator
- containing box
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- limiting
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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
- B66B5/16—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
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Abstract
The invention relates to the field of elevator emergency braking devices, in particular to a lifting elevator emergency braking device which comprises a guide structure, a limiting structure, an elevator body, a lubricating structure, a driving structure, a cleaning structure and an anti-skidding structure, wherein the guide structure is arranged on the elevator body; the four corners of the elevator body are provided with the four guide structures, and the guide structures are connected with the limiting structures in a sliding manner, so that the contact area between the guide structures and the limiting structures is increased, the guide structures and the limiting structures slide more stably, the elevator body is more stable in the lifting process, and the guide structures and the limiting structures are effectively prevented from being misplaced due to the fact that construction articles are not uniformly placed on the elevator body; the inside of guide structure is equipped with and is used for carrying on spacing anti-skidding structure to guide structure and limit structure, and the inside of guide structure is located to drive structure, and when sliding speed was unusual between guide structure and the limit structure, guide structure control drive anti-skidding structure braked guide structure, makes elevator emergency braking.
Description
Technical Field
The invention relates to the field of elevator emergency braking devices, in particular to a lifting elevator emergency braking device.
Background
An elevator is a permanent transport device serving a plurality of specific floors in a building, the elevator car of which runs on at least two rows of rigid rails which are perpendicular to the horizontal plane or have an inclination angle of less than 15 degrees with the vertical, and is also of a step type, step plates are mounted on a track and run continuously, commonly known as an escalator or a moving sidewalk, and a fixed lifting device serving a specific floor, the vertical lifting elevator is provided with an elevator car which runs between at least two rows of rigid guide rails which are perpendicular or have an inclination angle of less than 15 degrees, such as an elevator used in building construction, and the elevator body is pulled to move vertically by an elevator steel wire rope.
However, when the elevator is applied to a building construction site, due to the fact that high-altitude operation is performed, the center of gravity of goods placed on the elevator is not located at the center of the elevator body, the elevator and the guide rail are prone to deviation, the conveying quality is affected, meanwhile, lubricating oil is not convenient to coat the guide rail of the elevator in the high-altitude operation, the gravitational potential energy in the descending process of the elevator cannot be utilized, after the steel wire rope is broken, the elevator body is not convenient to brake emergently according to the running speed of the elevator, meanwhile, the power line is prone to being broken, and safety accidents occur.
Disclosure of Invention
The invention provides an emergency braking device for a lifting elevator, aiming at the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: an emergency braking device for a lifting elevator comprises a guide structure, a limiting structure, an elevator body, a lubricating structure, a driving structure, a cleaning structure and an anti-skid structure; the four corners of the elevator body for transporting goods are provided with four guide structures, the guide structures are detachably connected with the elevator body, and the guide structures for guiding and limiting the elevator body are connected with the limiting structures in a sliding manner; the guide structure is provided with the lubricating structure used for smearing lubricating oil on the limiting structure, and the lubricating structure is detachably connected with the guide structure; one end of the guide structure, which is far away from the lubricating structure, is provided with the cleaning structure for cleaning the limiting structure; the anti-skidding structure for emergency braking is arranged inside the guide structure.
Specifically, limit structure includes guide rail, rack and spacing groove, the guide rail with sliding connection between the guide structure, the tip symmetry of guide rail is equipped with the rack, the both sides of guide rail about the rack symmetry is equipped with two cross-sections and is the trapezium structure the spacing groove.
Specifically, guide structure includes guiding axle, gear, containing box and leading wheel, the four corners department of elevator body is equipped with four the containing box, the inside of containing box is fixed with the guiding axle, the guiding axle run through in the gear with the leading wheel, the leading wheel is equipped with two, two be equipped with between the leading wheel the gear, the both ends of leading wheel are round platform shape, the leading wheel with the integrative moulding plastics of gear forms, just the leading wheel with rotate between the containing box and be connected, the leading wheel with roll connection between the spacing groove, just the gear with mesh between the rack.
Specifically, the driving structure comprises an air pipe, a convex block, a driving rod, a first hydraulic cylinder, a button switch, a containing cavity, two second reset springs, a sliding block, a pushing block and a through hole, wherein the containing cavity for storing air is arranged at one end of the containing box, which is far away from the guide wheel, the sliding block penetrates through the containing box and extends to the containing cavity, one second reset spring is arranged between the sliding block and the containing box, a plurality of through holes which are in one-to-one correspondence with the sliding block are arranged in the containing box, the through hole is communicated with the containing cavity, the pushing block which is opposite to the sliding direction of the sliding block is arranged on the containing box, the other second reset spring is arranged between one end of the pushing block and the containing box, the air pipe communicated with the containing cavity is arranged on the pushing block, and the button switch is arranged between the other end of the pushing block and the containing box, button switch with on the containing box electric connection between the first pneumatic cylinder, the tip of first pneumatic cylinder is equipped with the actuating lever, the actuating lever with sliding connection between the guiding axle, just the tip of actuating lever is the cone structure, the tip of leading wheel be equipped with the slider is contradicted the lug.
Specifically, anti-skidding structure includes transmission piece, third reset spring and rubber pad, and the cross-section is T shape structure the transmission piece with sliding connection between the guiding axle, third reset spring's one end contradict in the guiding axle, third reset spring's other one end contradict in the transmission piece, the tip of transmission piece is equipped with the rubber pad, the rubber pad with sliding connection between the guiding axle, the rubber pad with the gear is contradicted, just the actuating lever contradicts in the transmission piece.
Specifically, the clearance structure includes second pneumatic cylinder, sliding sleeve, shell fragment, clearance cover and pivot, the bottom of containing box is equipped with the sliding sleeve, the sliding sleeve with sliding connection between the containing box, the sliding sleeve with be equipped with between the containing box the second pneumatic cylinder, the sliding sleeve deviates from the one end of second pneumatic cylinder is equipped with the shell fragment, the pivot through connection in the shell fragment with the clearance cover, tracheal other one end is followed the sliding sleeve extends to the tip of shell fragment.
Specifically, lubricating structure includes first reset spring, bucket, end cover, piston and the cotton cover of fibre, and the tip is regular hexagon be used for storing lubricating oil the bucket with threaded connection between the containing box, be equipped with threaded connection on the bucket the end cover, the cross-section is T shape structure the piston with sliding connection between the end cover, the tip parcel of piston has the cotton cover of fibre, the piston with be equipped with between the bucket first reset spring.
The invention has the beneficial effects that:
(1) according to the emergency braking device for the elevator, the four corners of the elevator body are provided with the four guide structures, the guide structures are connected with the limiting structures in a sliding mode, so that the contact area between the guide structures and the limiting structures is increased, the guide structures and the limiting structures slide more stably, the elevator body is more stable in the lifting process, the guide structures and the limiting structures are effectively prevented from being misplaced due to the fact that construction articles are not uniformly placed on the elevator body, and the lifting quality is higher, namely: in the process of lifting the elevator body, the elevator body drives the containing box and the guide rail to slide, meanwhile, the guide wheels and the limiting grooves roll, the two ends of the guide wheels are in a round table shape, the cross section of the limiting grooves is trapezoidal, the contact area of the guide wheels and the limiting grooves is increased, the containing box and the guide rail are effectively prevented from being deviated due to the fact that articles are placed unevenly, meanwhile, sliding friction force between the containing box and the guide rail is converted into rolling friction force between the guide wheels and the limiting grooves, sliding is more flexible, gears between the two guide wheels are rotatably connected with the guide shafts, the gears and the racks are meshed and roll, and then four corners of the elevator body are guided and limited in the vertical direction, the four gears are enabled to be on the same horizontal plane, and four groups of guide wheels are enabled to roll synchronously with the limiting grooves.
(2) According to the emergency braking device for the elevator, the anti-skidding structure used for limiting the guide structure and the limiting structure is arranged inside the guide structure, the driving structure is arranged inside the guide structure, and when the sliding speed between the guide structure and the limiting structure is abnormal, the guide structure controls the driving structure to drive the anti-skidding structure to brake the guide structure, so that the elevator is braked emergently, the running stability of the elevator is improved, and the elevator steel wire rope is prevented from being broken or other abnormal accidents; when an elevator steel wire rope on the motor body is broken or a system fails, the rolling speed of the gear and the rack is too high, the rolling speed of the guide wheel and the limiting groove is too high, so that the guide wheel rotates rapidly, the lug on the guide wheel abuts against the sliding block, the sliding block is connected with the containing box in a sliding manner, so that the volume of the containing cavity is reduced, when the pressure intensity change inside the containing cavity is too large, airflow cannot be completely discharged from the air pipe, the pushing block and the containing box are driven to slide, a second reset spring connected with the pushing block extends, the pushing block abuts against the button switch, the button switch is communicated with the first hydraulic cylinder, a plurality of through holes communicated with the containing cavity are arranged on the containing box, when the second reset spring connected with the sliding block drives the sliding block to reset, air completely enters the containing cavity immediately, enough airflow pushes the pushing block, and promotes air circulation by matching with the air pipe, cooling down elevator assembly, and then improved the stability of using, first pneumatic cylinder extension, first pneumatic cylinder promotes the actuating lever and slides with the guiding axle, make the actuating lever promote the transmission piece and slide with the guiding axle, make the transmission piece promote the rubber pad and contradict the gear, frictional force increase between gear and the guiding axle, make the rotational speed between gear and the guiding axle reduce until stopping, when gear and the unable rotation of guiding axle, gear and rack toothing are spacing, make containing box and the unable slip of guide rail, quick emergency braking to elevator body.
(3) According to the emergency braking device for the elevator, the cleaning structure is arranged inside the guide structure, so that scraps inside the limiting structure can be cleaned conveniently through the cleaning structure, and the transmission between the guide structure and the limiting structure is more stable, namely: when needs clearance rack, second pneumatic cylinder drive sliding sleeve and containing box slide to suitable position, make the clearance cover can with the rack contact, move when the containing box and drive and roll between clearance cover and the rack, the pivot on the clearance cover is connected in the shell fragment, makes the home range of clearance cover bigger, is convenient for clear up the rack of cockscomb structure, and the trachea is bloied the rack simultaneously, and then makes the clearance effect better, makes the transmission between wheel and the rack more stable.
(4) According to the emergency braking device for the elevator, the lubricating structure is arranged on the guide structure, so that lubricating oil can be conveniently smeared on the limiting structure through the lubricating structure when the emergency braking device slides between the guide structure and the limiting structure, high-altitude operation is avoided, and meanwhile the smearing effect of the lubricating oil is better; namely: twist off the inside additional lubrication oil of end cover toward the bucket, adjust the degree of depth that the storage bucket twisted the containing box according to the single volume of paining, the cotton cover of gear conflict fibre slides between drive piston and the end cover, makes the cotton cover of fibre switch on with the inside of storage bucket, realizes reseing of piston through a reset spring, and then makes the even paining of lubricating oil on the gear, paints on the rack through the gear, and then makes smearing more even of lubricating oil.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of a preferred embodiment of an emergency braking device for an elevator according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of a connection structure between the guiding structure and the limiting structure shown in FIG. 2;
FIG. 4 is an enlarged view of the portion B shown in FIG. 3;
FIG. 5 is an enlarged view of the portion C shown in FIG. 3;
FIG. 6 is a schematic view of a connection structure between the storage box and the sliding sleeve shown in FIG. 3;
FIG. 7 is an enlarged view of the portion D shown in FIG. 6;
fig. 8 is an enlarged view of the portion E shown in fig. 6.
In the figure: 1. guide structure, 11, guide shaft, 12, gear, 13, containing box, 14, leading wheel, 2, limit structure, 21, guide rail, 22, rack, 23, spacing groove, 3, elevator body, 4, lubricating structure, 41, first reset spring, 42, storage bucket, 43, end cover, 44, piston, 45, fiber cotton cover, 5, drive structure, 51, trachea, 52, lug, 53, drive rod, 54, first hydraulic cylinder, 55, button switch, 56, accommodation cavity, 57, second reset spring, 58, slider, 59, ejector pad, 59a, through-hole, 6, cleaning structure, 61, second hydraulic cylinder, 62, sliding sleeve, 63, shell fragment, 64, cleaning sleeve, 65, rotating shaft, 7, antiskid structure, 71, transmission block, 72, third reset spring, 73, rubber pad.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-8, the emergency braking device for the elevator comprises a guide structure 1, a limiting structure 2, an elevator body 3, a lubricating structure 4, a driving structure 5, a cleaning structure 6 and an anti-skid structure 7; four guide structures 1 are arranged at four corners of the elevator body 3 for transporting goods, the guide structures 1 are detachably connected with the elevator body 3, and the guide structures 1 for guiding and limiting the elevator body 3 are slidably connected with the limiting structures 2; the guide structure 1 is provided with the lubricating structure 4 used for smearing lubricating oil on the limiting structure 2, and the lubricating structure 4 is detachably connected with the guide structure 1; one end of the guide structure 1, which is far away from the lubricating structure 4, is provided with the cleaning structure 6 for cleaning the limiting structure 2; the anti-skid structure 7 for emergency braking is arranged inside the guide structure 1.
Specifically, the limiting structure 2 comprises a guide rail 21, a rack 22 and a limiting groove 23, the guide rail 21 is connected with the guide structure 1 in a sliding manner, the rack 22 is symmetrically arranged at the end part of the guide rail 21, and two limiting grooves 23 with trapezoidal cross sections are symmetrically arranged on two sides of the guide rail 21 relative to the rack 22; the arrangement of the limiting groove 23 increases the contact area with the guide structure 1, so that the guide structure 1 and the guide rail 21 slide more stably.
Specifically, the guide structure 1 includes a guide shaft 11, a gear 12, a receiving box 13 and guide wheels 14, four receiving boxes 13 are arranged at four corners of the elevator body 3, the guide shaft 11 is fixed inside the receiving box 13, the guide shaft 11 penetrates through the gear 12 and the guide wheels 14, two guide wheels 14 are provided, the gear 12 is arranged between the two guide wheels 14, both ends of the guide wheels 14 are in a circular truncated cone shape, the guide wheels 14 and the gear 12 are formed by integral injection molding, the guide wheels 14 and the receiving box 13 are rotatably connected, the guide wheels 14 and the limiting grooves 23 are in rolling connection, and the gear 12 and the rack 22 are meshed; four corners of the elevator body 3 are provided with four guide structures 1, the guide structures 1 are connected with the limiting structures 2 in a sliding manner, so that the contact area between the guide structures 1 and the limiting structures 2 is increased, the guide structures 1 and the limiting structures 2 slide more stably, the elevator body 3 is more stable in the lifting process, the guide structures 1 and the limiting structures 2 are effectively prevented from being dislocated due to the fact that construction articles are placed on the elevator body 3 unevenly, and the lifting quality is higher, namely: in the lifting process of the elevator body 3, the elevator body 3 drives the containing box 13 and the guide rail 21 to slide, meanwhile, the guide wheel 14 and the limiting groove 23 roll, two ends of the guide wheel 14 are in a circular truncated cone shape, the cross section of the limiting groove 23 is in a trapezoid shape, the contact area between the guide wheel 14 and the limiting groove 23 is increased, the containing box 13 and the guide rail 21 are effectively prevented from being deviated due to the uneven arrangement of articles, meanwhile, the sliding friction force between the containing box 13 and the guide rail 21 is converted into the rolling friction force between the guide wheel 14 and the limiting groove 23, the sliding is more flexible, the gear 12 between the two guide wheels 14 is rotatably connected with the guide shaft 11, the gear 12 is meshed with the rack 22 to roll, and the four corners of the elevator body 3 are guided and limited in the vertical direction, the four gears 12 are arranged on the same horizontal plane, so that the four groups of guide wheels 14 synchronously roll between the limiting grooves 23, the anti-skidding structure 7 is driven by the driving structure 5 to limit the gears 12, the gears 12 and the guide shafts 11 cannot rotate, the gears 12 do not roll on the racks 22, and the emergency braking effect is better.
Specifically, the driving structure 5 includes an air pipe 51, a protrusion 52, a driving rod 53, a first hydraulic cylinder 54, a button switch 55, an accommodating cavity 56, two second return springs 57, a slider 58, a push block 59, and a through hole 59a, the accommodating cavity 56 for storing air is disposed at one end of the accommodating box 13 away from the guide wheel 14, the slider 58 penetrates through the accommodating box 13 and extends to the accommodating cavity 56, one second return spring 57 is disposed between the slider 58 and the accommodating box 13, the accommodating box 13 is internally provided with a plurality of through holes 59a corresponding to the sliders 58 one by one, the through holes 59a are communicated with the accommodating cavity 56, the accommodating box 13 is provided with the push block 59 opposite to the sliding direction of the slider 58, another second return spring 57 is disposed between one end of the push block 59 and the accommodating box 13, the air pipe 51 communicated with the accommodating cavity 56 is arranged on the push block 59, the button switch 55 is arranged between the other end of the push block 59 and the accommodating box 13, the button switch 55 is electrically connected with the first hydraulic cylinder 54 on the accommodating box 13, the driving rod 53 is arranged at the end part of the first hydraulic cylinder 54, the driving rod 53 is in sliding connection with the guide shaft 11, the end part of the driving rod 53 is in a cone structure, and the lug 52 abutted against the sliding block 58 is arranged at the end part of the guide wheel 14; when the elevator steel wire rope on the motor body 3 is broken or the system fails, the rolling speed of the gear 12 and the rack 22 is too high, the rolling speed of the guide wheel 14 and the limiting groove 23 is too high, so that the guide wheel 14 rotates rapidly, the protrusion 52 on the guide wheel 14 abuts against the slider 58, the slider 58 is connected with the containing box 13 in a sliding manner, so that the volume of the containing cavity 56 is reduced, when the pressure change inside the containing cavity 56 is too large, the air flow cannot be completely discharged from the air pipe 51, so that the push block 59 is driven to slide with the containing box 13, one second return spring 57 connected with the push block 59 is extended, the push block 59 abuts against the button switch 55, the button switch 55 is connected with the first hydraulic cylinder 54, the containing box 13 is provided with a plurality of through holes 59a communicated with the containing cavity 56, when the second return spring 57 connected to the sliding block 58 drives the sliding block 58 to return, gas completely enters the accommodating cavity 56 immediately, so that sufficient airflow pushes the push block 59, and meanwhile, the air pipe 51 is matched to promote air circulation to cool the elevator assembly, and further the use stability is improved.
Specifically, the anti-slip structure 7 includes a transmission block 71, a third return spring 72 and a rubber pad 73, the transmission block 71 with a T-shaped cross section is slidably connected with the guide shaft 11, one end of the third return spring 72 abuts against the guide shaft 11, the other end of the third return spring 72 abuts against the transmission block 71, the rubber pad 73 is disposed at the end of the transmission block 71, the rubber pad 73 is slidably connected with the guide shaft 11, the rubber pad 73 abuts against the gear 12, and the driving rod 53 abuts against the transmission block 71; the anti-skid structure 7 used for limiting the guide structure 1 and the limiting structure 2 is arranged in the guide structure 1, the driving structure 5 is arranged in the guide structure 1, and when the sliding speed between the guide structure 1 and the limiting structure 2 is abnormal, the guide structure 1 controls the driving structure 5 to drive the anti-skid structure 5 to brake the guide structure 1, so that the elevator is braked emergently, the running stability of the elevator is improved, and the breakage of a steel wire rope of the elevator or other abnormal accidents are avoided; namely: the first hydraulic cylinder 54 extends, the first hydraulic cylinder 54 pushes the driving rod 53 and the guide shaft 11 to slide, the driving rod 53 pushes the transmission block 71 and the guide shaft 11 to slide, the transmission block 71 pushes the rubber pad 73 to abut against the gear 12, friction between the gear 12 and the guide shaft 11 is increased, the rotating speed between the gear 12 and the guide shaft 11 is reduced until the rotating speed stops, when the gear 12 and the guide shaft 11 cannot rotate, the gear 12 is meshed with the rack 22 for limiting, the storage box 13 and the guide rail 21 cannot slide, and emergency braking is rapidly performed on the elevator body 3.
Specifically, the cleaning structure 6 includes a second hydraulic cylinder 61, a sliding sleeve 62, an elastic sheet 63, a cleaning sleeve 64 and a rotating shaft 65, the sliding sleeve 62 is disposed at the bottom end of the accommodating box 13, the sliding sleeve 62 is slidably connected with the accommodating box 13, the second hydraulic cylinder 61 is disposed between the sliding sleeve 62 and the accommodating box 13, the elastic sheet 63 is disposed at one end of the sliding sleeve 62 away from the second hydraulic cylinder 61, the rotating shaft 65 is connected to the elastic sheet 63 and the cleaning sleeve 64 in a penetrating manner, and the other end of the air pipe 51 extends from the sliding sleeve 62 to the end of the elastic sheet 63; clearance structure 6 is located guide structure 1's inside is convenient for clear up through clearance structure 6 the sweeps of limit structure 2's inside makes guide structure 1 with the transmission is more stable between limit structure 2, promptly: when the rack 22 needs to be cleaned, the second hydraulic cylinder 61 drives the sliding sleeve 62 and the containing box 13 to slide to a proper position, so that the cleaning sleeve 64 can be in contact with the rack 22, when the containing box 13 moves to drive the cleaning sleeve 64 and the rack 22 to roll, the rotating shaft 65 on the cleaning sleeve 64 is connected to the elastic sheet 63, so that the movable range of the cleaning sleeve 64 is larger, the serrated rack 22 is convenient to clean, meanwhile, the air pipe 51 blows air to the rack 22, the cleaning effect is better, and the transmission between the gear 12 and the rack 22 is more stable.
Specifically, the lubricating structure 4 includes a first return spring 41, a storage barrel 42, an end cap 43, a piston 44 and a fiber cotton sleeve 45, the end portion of the storage barrel 42 is a regular hexagon and is used for storing lubricating oil, the storage box 13 is in threaded connection with the storage barrel 42, the end cap 43 in threaded connection is arranged on the storage barrel 42, the piston 44 with a T-shaped cross section is in sliding connection with the end cap 43, the end portion of the piston 44 is wrapped by the fiber cotton sleeve 45, and the first return spring 41 is arranged between the piston 44 and the storage barrel 42; the lubricating structure 4 is arranged on the guide structure 1, so that lubricating oil can be conveniently smeared on the limiting structure 2 through the lubricating structure 4 when the guide structure 1 slides between the limiting structure 2, high-altitude operation is avoided, and meanwhile the smearing effect of the lubricating oil is better; namely: unscrewing the end cover 43 and adding lubricating oil into the storage barrel 42, adjusting the depth of the storage barrel 43 screwed into the storage box 13 according to a single smearing amount, enabling the gear 12 to abut against the fiber cotton sleeve 45 to drive the piston 44 and the end cover 43 to slide, enabling the fiber cotton sleeve 45 to be communicated with the inside of the storage barrel 42, achieving the resetting of the piston 44 through the first reset spring 41, further enabling the lubricating oil to be evenly smeared on the gear 12, and further enabling the lubricating oil to be smeared on the rack 22 through the gear 12, and further enabling the smearing of the lubricating oil to be more even.
When in use, in the lifting process of the elevator body 3, the elevator body 3 drives the containing box 13 and the guide rail 21 to slide, meanwhile, the guide wheel 14 rolls with the limiting groove 23, the two ends of the guide wheel 14 are in a round table shape, the cross section of the limiting groove 23 is in a trapezoid shape, the contact area of the guide wheel 14 and the limiting groove 23 is increased, the deviation between the containing box 13 and the guide rail 21 caused by the uneven placement of articles is effectively prevented, at the same time, the sliding friction force between the containing box 13 and the guide rail 21 is converted into the rolling friction force between the guide wheel 14 and the limiting groove 23, thereby ensuring that the sliding is more flexible, the gear 12 between the two guide wheels 14 is rotationally connected with the guide shaft 11, the gear 12 is meshed with the rack 22 to roll, the four corners of the elevator body 3 are guided and limited in the vertical direction, so that the four gears 12 are positioned on the same horizontal plane, and the four groups of guide wheels 14 synchronously roll with the limiting grooves 23; when the elevator steel wire rope on the motor body 3 is broken or the system fails, the rolling speed of the gear 12 and the rack 22 is too high, the rolling speed of the guide wheel 14 and the limiting groove 23 is too high, so that the guide wheel 14 rotates rapidly, the convex block 52 on the guide wheel 14 abuts against the sliding block 58, the sliding block 58 is connected with the containing box 13 in a sliding manner, so that the volume of the containing cavity 56 is reduced, when the pressure intensity change in the containing cavity 56 is too large, airflow cannot be completely discharged from the air pipe 51, the push block 59 is driven to slide with the containing box 13, a second return spring 57 connected with the push block 59 is extended, the push block 59 abuts against the button switch 55, the button switch 55 is connected with the first hydraulic cylinder 54, the containing box 13 is provided with a plurality of through holes 59a communicated with the containing cavity 56, and when the second return spring 57 connected with the sliding block 58 drives the sliding block 58 to return, air immediately and completely enters the containing cavity 56, enough airflow pushes the push block 59, and meanwhile, the air circulation is promoted by matching with the air pipe 51, so that the elevator assembly is cooled, and the use stability is further improved; the first hydraulic cylinder 54 extends, the first hydraulic cylinder 54 pushes the driving rod 53 to slide with the guide shaft 11, the driving rod 53 pushes the transmission block 71 to slide with the guide shaft 11, the transmission block 71 pushes the rubber pad 73 to abut against the gear 12, the friction force between the gear 12 and the guide shaft 11 is increased, the rotating speed between the gear 12 and the guide shaft 11 is reduced until the rotating speed stops, when the gear 12 and the guide shaft 11 cannot rotate, the gear 12 is meshed with the rack 22 for limiting, the containing box 13 and the guide rail 21 cannot slide, and the elevator body 3 is rapidly braked emergently; when the rack 22 needs to be cleaned, the second hydraulic cylinder 61 drives the sliding sleeve 62 and the containing box 13 to slide to a proper position, so that the cleaning sleeve 64 can be in contact with the rack 22, when the containing box 13 moves to drive the cleaning sleeve 64 and the rack 22 to roll, the rotating shaft 65 on the cleaning sleeve 64 is connected to the elastic sheet 63, so that the movable range of the cleaning sleeve 64 is larger, the serrated rack 22 is convenient to clean, meanwhile, the air pipe 51 blows the rack 22, the cleaning effect is better, and the transmission between the gear 12 and the rack 22 is more stable; unscrew end cover 43 toward the inside interpolation lubricating oil of storage bucket 42, adjust the degree of depth that storage bucket 43 twists containing box 13 according to the single volume of paining, gear 12 contradicts the cotton cover of fibre 45, slide between drive piston 44 and the end cover 43, make the inside of cotton cover of fibre 45 and storage bucket 42 switch on, realize reseing of piston 44 through first reset spring 41, and then make the even paining of lubricating oil on gear 12, paint on rack 22 through gear 12, and then make smearing of lubricating oil more even, the reference application number of the many accuse connected mode of four button switch 55 is 201810359183.4's patent.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An elevator emergency braking device, characterized in that: the elevator car elevator anti-skid device comprises a guide structure (1), a limiting structure (2), an elevator body (3), a lubricating structure (4), a driving structure (5), a cleaning structure (6) and an anti-skid structure (7); four guide structures (1) are arranged at four corners of the elevator body (3) for transporting goods, the guide structures (1) are detachably connected with the elevator body (3), and the guide structures (1) for guiding and limiting the elevator body (3) are connected with the limiting structure (2) in a sliding manner; the guide structure (1) is provided with the lubricating structure (4) used for smearing lubricating oil on the limiting structure (2), and the lubricating structure (4) is detachably connected with the guide structure (1); one end of the guide structure (1) departing from the lubricating structure (4) is provided with the cleaning structure (6) for cleaning the limiting structure (2); the anti-skid structure (7) for emergency braking is arranged in the guide structure (1);
the guide structure (1) comprises a guide shaft (11), a gear (12), a containing box (13) and a guide wheel (14), four containing boxes (13) are arranged at the four corners of the elevator body (3), the guide shafts (11) are fixed in the containing boxes (13), the guide shaft (11) penetrates through the gear (12) and the guide wheel (14), the number of the guide wheels (14) is two, the gear (12) is arranged between the two guide wheels (14), both ends of the guide wheel (14) are in a circular truncated cone shape, the guide wheel (14) and the gear (12) are integrally formed by injection molding, the guide wheel (14) is rotationally connected with the containing box (13), the guide wheel (14) is in rolling connection with the limiting groove (23), and the gear (12) is meshed with the rack (22);
the driving structure (5) comprises an air pipe (51), a convex block (52), a driving rod (53), a first hydraulic cylinder (54), a button switch (55), a containing cavity (56), two second return springs (57), a sliding block (58), a push block (59) and a through hole (59 a), wherein the containing cavity (56) for storing air is arranged at one end of the containing box (13) departing from the guide wheel (14), the sliding block (58) penetrates through the containing box (13) and extends to the containing cavity (56), one second return spring (57) is arranged between the sliding block (58) and the containing box (13), a plurality of through holes (59 a) which are in one-to-one correspondence with the sliding block (58) are arranged in the containing box (13), the through holes (59 a) are communicated with the containing cavity (56), and the push block (59) opposite to the sliding direction of the sliding block (58) is arranged on the containing box (13), the one end of ejector pad (59) with be equipped with the other between containing box (13) second reset spring (57), be equipped with on ejector pad (59) with hold cavity (56) and switch on trachea (51), the other one end of ejector pad (59) with be equipped with between containing box (13) button switch (55), button switch (55) with on containing box (13) electric connection between first pneumatic cylinder (54), the tip of first pneumatic cylinder (54) is equipped with actuating lever (53), actuating lever (53) with sliding connection between guiding axle (11), just the tip of actuating lever (53) is the cone structure, the tip of leading wheel (14) be equipped with slider (58) conflict lug (52).
2. The emergency braking device of an elevator according to claim 1, wherein: limiting structure (2) include guide rail (21), rack (22) and spacing groove (23), guide rail (21) with sliding connection between guide structure (1), the tip symmetry of guide rail (21) is equipped with rack (22), the both sides of guide rail (21) about rack (22) symmetry is equipped with two cross-sections and is the trapezium structure spacing groove (23).
3. The emergency braking device of an elevator according to claim 1, wherein: anti-skidding structure (7) are including transmission piece (71), third reset spring (72) and rubber pad (73), and the cross-section is T shape structure transmission piece (71) with sliding connection between guiding axle (11), the one end of third reset spring (72) contradict in guiding axle (11), the other one end of third reset spring (72) contradict in transmission piece (71), the tip of transmission piece (71) is equipped with rubber pad (73), rubber pad (73) with sliding connection between guiding axle (11), rubber pad (73) with gear (12) contradict, just actuating lever (53) contradict in transmission piece (71).
4. The emergency braking device of an elevator according to claim 1, wherein: clearance structure (6) include second pneumatic cylinder (61), sliding sleeve (62), shell fragment (63), clearance cover (64) and pivot (65), the bottom of containing box (13) is equipped with sliding sleeve (62), sliding sleeve (62) with sliding connection between containing box (13), sliding sleeve (62) with be equipped with between containing box (13) second pneumatic cylinder (61), sliding sleeve (62) deviate from the one end of second pneumatic cylinder (61) is equipped with shell fragment (63), pivot (65) through connection in shell fragment (63) with clearance cover (64), the other one end of trachea (51) is followed sliding sleeve (62) extend to the tip of shell fragment (63).
5. The emergency braking device of an elevator according to claim 1, wherein: lubricating structure (4) include first reset spring (41), storage bucket (42), end cover (43), piston (44) and cotton cover of fibre (45), and the tip is used for storing lubricating oil for regular hexagon storage bucket (42) with threaded connection between containing box (13), be equipped with threaded connection on storage bucket (42) end cover (43), the cross-section is T shape structure piston (44) with sliding connection between end cover (43), the tip parcel of piston (44) has cotton cover of fibre (45), piston (44) with be equipped with between storage bucket (42) first reset spring (41).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910821983.8A CN110482367B (en) | 2019-09-02 | 2019-09-02 | Emergency brake device for elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821983.8A CN110482367B (en) | 2019-09-02 | 2019-09-02 | Emergency brake device for elevator |
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| CN110482367A CN110482367A (en) | 2019-11-22 |
| CN110482367B true CN110482367B (en) | 2020-12-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111891960B (en) * | 2020-08-05 | 2021-11-26 | 苏州东方富力电梯部件有限公司 | Elevator safety brake |
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| JPH09104572A (en) * | 1995-10-09 | 1997-04-22 | Hitachi Ltd | Emergency stop device for elevator |
| CN1872656A (en) * | 2006-06-22 | 2006-12-06 | 武汉理工大学 | Lifting device in serial planet gears in multistage |
| CN102616625A (en) * | 2012-04-10 | 2012-08-01 | 希姆斯电梯(中国)有限公司 | Cargo elevator guiderail mechanism |
| CN102973376A (en) * | 2005-10-07 | 2013-03-20 | 联合医疗***公司 | Patient lift and transfer device |
| CN203363607U (en) * | 2013-07-03 | 2013-12-25 | 广西玉柴机器股份有限公司 | Automatic oiling oil cup |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019235B (en) * | 2018-08-21 | 2019-12-10 | 苏州理合文科技有限公司 | Safety braking driver for cage of mining lifting falling protector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09104572A (en) * | 1995-10-09 | 1997-04-22 | Hitachi Ltd | Emergency stop device for elevator |
| CN102973376A (en) * | 2005-10-07 | 2013-03-20 | 联合医疗***公司 | Patient lift and transfer device |
| CN1872656A (en) * | 2006-06-22 | 2006-12-06 | 武汉理工大学 | Lifting device in serial planet gears in multistage |
| CN102616625A (en) * | 2012-04-10 | 2012-08-01 | 希姆斯电梯(中国)有限公司 | Cargo elevator guiderail mechanism |
| CN203363607U (en) * | 2013-07-03 | 2013-12-25 | 广西玉柴机器股份有限公司 | Automatic oiling oil cup |
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