CN112173936A - Novel staircase leads to axle host computer - Google Patents

Novel staircase leads to axle host computer Download PDF

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Publication number
CN112173936A
CN112173936A CN202010975235.8A CN202010975235A CN112173936A CN 112173936 A CN112173936 A CN 112173936A CN 202010975235 A CN202010975235 A CN 202010975235A CN 112173936 A CN112173936 A CN 112173936A
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CN
China
Prior art keywords
brake
motor
speed reducer
shaft
electromagnet
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.)
Pending
Application number
CN202010975235.8A
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Chinese (zh)
Inventor
施志明
刘强
李红雨
李东海
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.)
Tianjin Jia Li Elevator Motor Co ltd
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Tianjin Jia Li Elevator Motor 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 Tianjin Jia Li Elevator Motor Co ltd filed Critical Tianjin Jia Li Elevator Motor Co ltd
Priority to CN202010975235.8A priority Critical patent/CN112173936A/en
Publication of CN112173936A publication Critical patent/CN112173936A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00Component parts of escalators or moving walkways
    • B66B23/02Driving gear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/0006Vibration-damping or noise reducing means specially adapted for gearings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H02K7/1021Magnetically influenced friction brakes
    • H02K7/1023Magnetically influenced friction brakes using electromagnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel

Abstract

The invention relates to a novel escalator through shaft host, belonging to the technical field of escalator equipment. According to the invention, the input shaft of the speed reducer and the output shaft of the motor are integrally formed to form the through shaft, so that compared with a split type structure, the connecting pieces, namely couplings, of the motor and the speed reducer are reduced, the height of the main machine is reduced, the main machine is conveniently arranged at the position of the main machine in the escalator, and the vibration and noise of the main machine caused by the assembling problem of the connecting pieces are reduced. When the motor and the brake electromagnet are electrified, the brake electromagnet pushes the pull rod to enable the brake arm to be separated from the brake wheel, and the motor rotor drives the through shaft to rotate, so that the speed reducer outputs torque. When the motor and the brake electromagnet are powered off, the brake spring pressure enables the brake electromagnet pull rod to be retracted, the brake arm presses the brake wheel, and the motor stops running to realize braking.

Description

Novel staircase leads to axle host computer
Technical Field
The invention relates to the technical field of escalator equipment, in particular to a novel escalator through shaft host.
Background
At present, escalators in markets, subways, stations and the like are all driven by alternating current motors, and the alternating current motors are machines for realizing mutual conversion of mechanical energy and alternating current energy. Due to the tremendous development of ac power systems, ac motors have become the most commonly used motors. Compared with the direct current motor, the alternating current motor has the advantages of simple structure, convenient manufacture, firmness and easy manufacture into a motor with high rotating speed, high voltage, large current and large capacity because of no commutator (see the commutation of the direct current motor). The coverage of ac power is large, ranging from a few watts to hundreds of thousands of kilowatts, and even millions of kilowatts. In the early 80 s of the 20 th century, the largest turbonators reached 150 ten thousand kilowatts. The ac motor was invented by the american scientist nigula tesla, celer.
The existing motor and speed reducer connection mode is connected through a coupler, the mode is difficult to assemble, the host is easy to vibrate and make noise, the overall occupied volume is increased, and meanwhile, after the escalator is powered off suddenly, the worm wheel inside the speed reducer rotates reversely, the reverse driving worm is easy to cause, and the worm wheel and the worm are damaged.
Disclosure of Invention
The invention aims to solve the problems that the existing connection mode of a motor and a speed reducer is that the motor and the speed reducer are connected through a coupler, the assembly is difficult, the host is easy to vibrate and generate noise, the overall occupied volume is increased, and simultaneously, when an escalator is suddenly powered off, a worm wheel in the speed reducer is easy to rotate reversely, a worm is easy to be driven reversely, and the worm wheel and the worm are easy to damage, so that a novel escalator through shaft host is provided.
The technical scheme of the invention is as follows:
a novel staircase leads to axle host computer includes: a speed reducer, a motor, a through shaft, a motor braking mechanism and a speed reducer protection mechanism,
the motor braking mechanism is characterized in that a motor is mounted on the speed reducer, an input shaft of the speed reducer and an output shaft of the motor are integrally formed to form a through shaft, a motor braking mechanism is arranged on the motor, and a speed reducer protection mechanism is mounted on the speed reducer.
Further, the motor includes: motor casing, motor stator, electric motor rotor and fan, motor casing inside is provided with motor stator and leads to the axle, leads to epaxial cover to be equipped with electric motor rotor, and electric motor rotor uses with motor stator cooperation, leads to an one end and installs the fan, installs on the motor casing to be used for going on the motor arrestment mechanism that brakes to leading to the axle.
Further, the speed reducer includes: the speed reducer comprises a speed reducer shell, a worm wheel and an output shaft, wherein the output shaft is arranged on the speed reducer shell, the worm wheel is sleeved on the output shaft, spiral teeth are sleeved on a through shaft, the spiral teeth are in meshing transmission with the worm wheel, and a speed reducer protection mechanism for preventing the worm wheel from reversely driving the spiral teeth is arranged on the speed reducer shell.
Further, the motor brake mechanism includes: the brake wheel, the brake electromagnet, the brake arm, the pull rod, brake spring, the screw rod, articulated seat, arc braking piece and mounting bracket, it is equipped with the brake wheel to lead to epaxial cover, motor casing lateral wall symmetry is opened there are braking mouth and articulated seat, the brake electromagnet passes through the mounting bracket and installs on motor casing, two coaxial screw rods that are provided with of output of brake electromagnet, brake arm one end is articulated with articulated seat, the screw rod other end locks through the nut with another threaded connection of brake arm, it has the through-hole to open on the brake arm, pull rod one end links to each other with the mounting bracket, the pull rod other end passes the through-hole, the through-hole other end is provided with the baffle, the cover is equipped with brake spring on the pull rod, brake spring is located between baffle and the brake arm, the.
Furthermore, the other end of the pull rod is provided with external threads, the baffle is sleeved on the pull rod and slides on the pull rod, and the other end of the pull rod is provided with a locking nut.
Furthermore, the outer wall of the brake wheel and the inner wall of the arc brake piece are both provided with brake teeth, and the brake wheel and the arc brake piece are braked through the brake teeth.
Furthermore, friction layers are arranged on the outer wall of the brake wheel and the inner wall of the arc brake block, and the driving wheel and the arc brake block are braked through the friction layers.
Further, the speed reducer protection mechanism includes: fixed ring, mount pad, rotary disk, adsorption electromagnet, iron ball and thrust spring, the fixed ring lateral wall passes through the mount pad and installs on the speed reducer casing, fixed ring and the coaxial setting of output shaft, the cover is equipped with the rotary disk on the output shaft, the rotary disk lateral wall radially is provided with a plurality of holding tanks, the inside adsorption electromagnet that is provided with of holding tank, adsorption electromagnet's absorption end is indent ball-type face, the iron ball is arranged in the holding tank and is adsorbed with indent ball-type face contact, the adsorption electromagnet overcoat is equipped with thrust spring, thrust spring upper end and iron ball contact, circumference array is opened on the fixed ring inner wall has a plurality of pipe type spacing grooves, the iron ball realizes preventing output shaft reverse rotation with pipe type spacing groove cooperation.
The invention has the following beneficial effects for the prior art:
according to the invention, the input shaft of the speed reducer and the output shaft of the motor are integrally formed to form the through shaft, so that compared with a split type structure, the connecting pieces, namely couplings, of the motor and the speed reducer are reduced, the height of the main machine is reduced, the main machine is conveniently arranged at the position of the main machine in the escalator, and the vibration and noise of the main machine caused by the assembling problem of the connecting pieces are reduced.
When the motor and the brake electromagnet are electrified, the brake electromagnet pushes the pull rod to enable the brake arm to be separated from the brake wheel, and the motor rotor drives the through shaft to rotate, so that the speed reducer outputs torque. When the motor and the brake electromagnet are powered off, the brake spring pressure enables the brake electromagnet pull rod to be retracted, the brake arm presses the brake wheel, the motor stops running, and therefore the speed reducer stops running, torque is not output, and braking is achieved.
The speed reducer protection mechanism changes the contact type matching of the traditional ratchet and pawl mechanism, when the adsorption electromagnet is powered off, the iron ball is separated from the concave spherical surface of the adsorption electromagnet through the reasoning of the thrust spring, when the output shaft rotates reversely, the part of the iron ball, which is arranged in the pipe type limiting groove, limits the rotating disc, and effectively prevents the spiral teeth from being damaged by the reverse rotation of the output shaft.
According to the invention, the vibration reduction control is carried out on the host machine in two modes of the speed reducer protection mechanism and the through shaft, the speed reducer protection mechanism carries out vibration reduction treatment on the speed reducer, and the through shaft carries out vibration reduction and noise reduction on the whole host machine, so that the vibration reduction and noise reduction effects of the whole host machine are greatly improved by combining the speed reducer protection mechanism and the through shaft, and the single implementation effect is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the motor braking mechanism of the present invention;
FIG. 3 is a schematic structural diagram of a reducer protection mechanism according to the present invention;
in the figure, the position of the upper end of the main shaft,
reducer 1, reducer housing 11, worm wheel 12 and output shaft 13, helical tooth 14, motor 2 motor housing 21, motor stator 22, motor rotor 23 and fan 24, through shaft 3, motor brake mechanism 4 brake wheel 41, brake electromagnet 42, brake arm 43, pull rod 44, brake spring 45, screw 46, hinge seat 47, arc brake piece 48 and mounting bracket 49 brake port 410 through hole 411 baffle 412 lock nut 413 and reducer protection mechanism 5 fixed ring 51, mounting seat 52, rotary disk 53, adsorption electromagnet 54, iron ball 55 and thrust spring 56 holding tank 57 pipe type spacing groove 58.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings.
The first embodiment is described with reference to fig. 1 to 3:
a novel staircase leads to axle host computer includes: a speed reducer 1, a motor 2, a through shaft 3, a motor braking mechanism 4 and a speed reducer protection mechanism 5,
according to the invention, the motor 2 is arranged on the speed reducer 1, the input shaft of the speed reducer 1 and the output shaft of the motor 2 are integrally formed to form the through shaft 3, the motor 2 is provided with the motor braking mechanism 4, and the speed reducer 1 is provided with the speed reducer protection mechanism 5. The motor 2 includes: motor casing 21, motor stator 22, electric motor rotor 23 and fan 24, motor casing 21 is inside to be provided with motor stator 22 and leads to axle 3, leads to the cover to be equipped with electric motor rotor 23 on the axle 3, and electric motor rotor 23 uses with the cooperation of motor stator 22, leads to 3 one ends of axle and installs fan 24, installs the motor brake mechanism 4 that is used for going on brakeing to leading to axle 3 on the motor casing 21, so sets up, can effectually brake the motor after the outage through installing motor brake mechanism 4 on motor casing 21. The speed reducer 1 includes: speed reducer casing 11, worm wheel 12 and output shaft 13, be provided with output shaft 13 on the speed reducer casing 11, the cover is equipped with worm wheel 12 on the output shaft 13, and the cover is equipped with helical tooth 14 on leading to axle 3, and helical tooth 14 and the transmission of worm wheel 12 meshing are installed on the speed reducer casing 11 and are used for preventing the speed reducer protection mechanism 5 of worm wheel 12 back drive helical tooth 14, so set up, effectively protect helical tooth 14 and worm wheel 12 through installing speed reducer protection mechanism 5 on speed reducer casing 11, improve practical life. The motor brake mechanism 4 includes: the brake device comprises a brake wheel 41, a brake electromagnet 42, a brake arm 43, a pull rod 44, a brake spring 45, a screw rod 46, a hinged seat 47, an arc brake block 48 and a mounting rack 49, wherein the brake wheel 41 is sleeved on the through shaft 3, the side wall of the motor housing 21 is symmetrically provided with a brake port 410 and a hinged seat 47, the brake electromagnet 42 is mounted on the motor housing 21 through the mounting rack 49, two output ends of the brake electromagnet 42 are coaxially provided with the screw rod 46, one end of the brake arm 43 is hinged with the hinged seat 47, the other end of the screw rod 46 is in threaded connection with the other end of the brake arm 43 and is locked through a nut, the brake arm 43 is provided with a through hole 411, one end of the pull rod 44 is connected with the mounting rack 49, the other end of the pull rod 44 passes through the through hole 411, the other end of the through hole 411 is provided with a baffle 412, the, the arc brake pads 48 are matched with the brake wheel 41 for braking, and the arrangement is such that when the motor 2 and the brake electromagnet 42 are electrified, the brake electromagnet 42 pushes the pull rod 44 to enable the brake arm 43 to be separated from the brake wheel 41, and the motor rotor 23 drives the through shaft 3 to rotate, so that the speed reducer 1 outputs torque. When the motor 2 and the brake electromagnet 42 are powered off, the pressure of the brake spring 45 enables the pull rod 44 of the brake electromagnet 42 to retract, the brake arm 43 presses the brake wheel 41, the motor 2 stops running, and therefore the speed reducer 1 stops running, torque is not output, and braking is achieved. The other end of the pull rod 44 is provided with an external thread, the baffle 412 is sleeved on the pull rod 44 and slides on the pull rod 44, and the other end of the pull rod 44 is provided with the locking nut 413, so that the pressure of the brake arm 43 on the brake wheel 41 can be adjusted by adjusting the locking nut 413, and the braking effect is improved. The outer wall of the brake wheel 41 and the inner wall of the arc brake block 48 are both provided with brake teeth, and the brake wheel 41 and the arc brake block 48 brake through the brake teeth. The outer wall of the brake wheel 41 and the inner wall of the arc brake block 48 are both provided with friction layers, the driving wheel 41 and the arc brake block 48 are braked through the friction layers, and in the arrangement, the braking is carried out through the friction force between the friction layers, the braking is smooth, no vibration noise is generated, and the vibration reduction and noise reduction processing is carried out on the host machine together with the coaxial shaft 3 and the speed reducer protection mechanism 5. The speed reducer protection mechanism 5 includes: the side wall of the fixing ring 51 is mounted on the speed reducer shell 11 through the mounting seat 52, the fixing ring 51 and the output shaft 13 are coaxially arranged, the rotating disk 53 is sleeved on the output shaft 13, a plurality of accommodating grooves 57 are radially arranged on the side wall of the rotating disk 53, the adsorbing electromagnets 54 are arranged in the accommodating grooves 57, the adsorbing ends of the adsorbing electromagnets 54 are concave spherical surfaces, the iron balls 55 are placed in the accommodating grooves 57 and are in contact adsorption with the concave spherical surfaces, the thrust springs 56 are sleeved outside the adsorbing electromagnets 54, the upper ends of the thrust springs 56 are in contact with the iron balls 55, a plurality of tobacco pipe type limiting grooves 58 are circumferentially arrayed on the inner wall of the fixing ring 51, the iron balls 55 are matched with the tobacco pipe type limiting grooves 58 to prevent the output shaft 13 from rotating reversely, and the arrangement changes the contact type matching of the traditional ratchet and pawl mechanism, when the adsorption electromagnet 54 is powered off, the iron ball 55 is separated from the concave spherical surface of the adsorption electromagnet 54 through the reasoning of the thrust spring 56, when the output shaft 13 rotates reversely, the part of the iron ball 55, which is arranged in the pipe-type limiting groove 58, realizes the limiting of the rotating disc 53, effectively prevents the spiral teeth 14 from being damaged by the reverse rotation of the output shaft 13, and simultaneously, the non-contact protection mechanism reduces the vibration and solves the problem that the pawl of the existing ratchet-pawl mechanism impacts the ratchet to generate the vibration.
Example two: the description is carried out on the basis of the first embodiment with reference to the attached drawings 1-3:
the motor 2 includes: motor casing 21, motor stator 22, electric motor rotor 23 and fan 24, motor casing 21 is inside to be provided with motor stator 22 and leads to axle 3, leads to the cover to be equipped with electric motor rotor 23 on the axle 3, and electric motor rotor 23 uses with the cooperation of motor stator 22, leads to 3 one ends of axle and installs fan 24, installs the motor brake mechanism 4 that is used for going on brakeing to leading to axle 3 on the motor casing 21, so sets up, can effectually brake the motor after the outage through installing motor brake mechanism 4 on motor casing 21.
Example three: the description is carried out on the basis of the first embodiment with reference to the attached drawings 1-3:
the speed reducer 1 includes: speed reducer casing 11, worm wheel 12 and output shaft 13, be provided with output shaft 13 on the speed reducer casing 11, the cover is equipped with worm wheel 12 on the output shaft 13, and the cover is equipped with helical tooth 14 on leading to axle 3, and helical tooth 14 and the transmission of worm wheel 12 meshing are installed on the speed reducer casing 11 and are used for preventing the speed reducer protection mechanism 5 of worm wheel 12 back drive helical tooth 14, so set up, effectively protect helical tooth 14 and worm wheel 12 through installing speed reducer protection mechanism 5 on speed reducer casing 11, improve practical life.
Example four: the description is made on the basis of the second embodiment with reference to the attached drawings 1-3:
the motor brake mechanism 4 includes: the brake device comprises a brake wheel 41, a brake electromagnet 42, a brake arm 43, a pull rod 44, a brake spring 45, a screw rod 46, a hinged seat 47, an arc brake block 48 and a mounting rack 49, wherein the brake wheel 41 is sleeved on the through shaft 3, the side wall of the motor housing 21 is symmetrically provided with a brake port 410 and a hinged seat 47, the brake electromagnet 42 is mounted on the motor housing 21 through the mounting rack 49, two output ends of the brake electromagnet 42 are coaxially provided with the screw rod 46, one end of the brake arm 43 is hinged with the hinged seat 47, the other end of the screw rod 46 is in threaded connection with the other end of the brake arm 43 and is locked through a nut, the brake arm 43 is provided with a through hole 411, one end of the pull rod 44 is connected with the mounting rack 49, the other end of the pull rod 44 passes through the through hole 411, the other end of the through hole 411 is provided with a baffle 412, the, the arc brake pads 48 are matched with the brake wheel 41 for braking, and the arrangement is such that when the motor 2 and the brake electromagnet 42 are electrified, the brake electromagnet 42 pushes the pull rod 44 to enable the brake arm 43 to be separated from the brake wheel 41, and the motor rotor 23 drives the through shaft 3 to rotate, so that the speed reducer 1 outputs torque. When the motor 2 and the brake electromagnet 42 are powered off, the pressure of the brake spring 45 enables the pull rod 44 of the brake electromagnet 42 to retract, the brake arm 43 presses the brake wheel 41, the motor 2 stops running, and therefore the speed reducer 1 stops running, torque is not output, and braking is achieved.
Example five: the description is made on the basis of the fourth embodiment with reference to the attached drawings 1-3:
the other end of the pull rod 44 is provided with an external thread, the baffle 412 is sleeved on the pull rod 44 and slides on the pull rod 44, and the other end of the pull rod 44 is provided with the locking nut 413, so that the pressure of the brake arm 43 on the brake wheel 41 can be adjusted by adjusting the locking nut 413, and the braking effect is improved.
Example six: the description is made on the basis of the fourth embodiment with reference to the attached drawings 1-3:
the outer wall of the brake wheel 41 and the inner wall of the arc brake block 48 are both provided with brake teeth, and the brake wheel 41 and the arc brake block 48 brake through the brake teeth.
Example seven: the description is made on the basis of the fourth embodiment with reference to the attached drawings 1-3:
the outer wall of the brake wheel 41 and the inner wall of the arc brake block 48 are both provided with friction layers, the driving wheel 41 and the arc brake block 48 are braked through the friction layers, and in the arrangement, the braking is carried out through the friction force between the friction layers, the braking is smooth, no vibration noise is generated, and the vibration reduction and noise reduction processing is carried out on the host machine together with the coaxial shaft 3 and the speed reducer protection mechanism 5.
Example eight: the third embodiment is explained with reference to the attached figures 1-3:
the speed reducer protection mechanism 5 includes: the side wall of the fixing ring 51 is mounted on the speed reducer shell 11 through the mounting seat 52, the fixing ring 51 and the output shaft 13 are coaxially arranged, the rotating disk 53 is sleeved on the output shaft 13, a plurality of accommodating grooves 57 are radially arranged on the side wall of the rotating disk 53, the adsorbing electromagnets 54 are arranged in the accommodating grooves 57, the adsorbing ends of the adsorbing electromagnets 54 are concave spherical surfaces, the iron balls 55 are placed in the accommodating grooves 57 and are in contact adsorption with the concave spherical surfaces, the thrust springs 56 are sleeved outside the adsorbing electromagnets 54, the upper ends of the thrust springs 56 are in contact with the iron balls 55, a plurality of tobacco pipe type limiting grooves 58 are circumferentially arrayed on the inner wall of the fixing ring 51, the iron balls 55 are matched with the tobacco pipe type limiting grooves 58 to prevent the output shaft 13 from rotating reversely, and the arrangement changes the contact type matching of the traditional ratchet and pawl mechanism, when the adsorption electromagnet 54 is powered off, the iron ball 55 is separated from the concave spherical surface of the adsorption electromagnet 54 through the reasoning of the thrust spring 56, when the output shaft 13 rotates reversely, the part of the iron ball 55, which is arranged in the pipe-type limiting groove 58, realizes the limiting of the rotating disc 53, effectively prevents the spiral teeth 14 from being damaged by the reverse rotation of the output shaft 13, and simultaneously, the non-contact protection mechanism reduces the vibration and solves the problem that the pawl of the existing ratchet-pawl mechanism impacts the ratchet to generate the vibration.
According to the invention, the input shaft of the speed reducer 1 and the output shaft of the motor 2 are integrally formed to form the through shaft 3, so that compared with a split type structure, the connecting pieces, namely couplings, of the motor and the speed reducer are reduced, the height of the main machine is reduced, the position of the main machine in the escalator is convenient to arrange, and the vibration and noise of the main machine caused by the assembling problem of the connecting pieces are reduced.
When the motor 2 and the brake electromagnet 42 are electrified, the brake electromagnet 42 pushes the pull rod 44 to enable the brake arm 43 to be separated from the brake wheel 41, and the motor rotor 23 drives the through shaft 3 to rotate so that the speed reducer 1 outputs torque. When the motor 2 and the brake electromagnet 42 are powered off, the pressure of the brake spring 45 enables the pull rod 44 of the brake electromagnet 42 to be retracted, the brake arm 43 presses the brake wheel 41, the motor 2 stops running, and therefore the speed reducer 1 stops running, torque is not output, and braking is achieved; the speed reducer protection mechanism 5 changes the contact type matching of the traditional ratchet and pawl mechanism, when the adsorption electromagnet 54 is powered off, the iron ball 55 is separated from the concave spherical surface of the adsorption electromagnet 54 through the reasoning of the thrust spring 56, when the output shaft 13 rotates reversely, the part of the iron ball 55, which is arranged in the pipe type limiting groove 58, realizes the limiting of the rotating disc 53, and effectively prevents the spiral teeth 14 from being damaged by the reverse rotation of the output shaft 13, and meanwhile, the non-contact type protection mechanism reduces the vibration and solves the problem that the pawl of the traditional ratchet and pawl mechanism impacts the ratchet to generate the vibration; speed reducer protection mechanism 5 and logical axle 3, two kinds of modes are carried out the host computer damping control, and speed reducer protection mechanism 5 carries out the damping to speed reducer 1 and handles, leads to axle 3 and wholly carries out the damping to the host computer and falls and make an uproar, and both combine to improve the holistic damping noise reduction effect of host computer greatly, and it is better than single implementation effect.
When the host normally works, the iron ball 55 is adsorbed by the adsorption electromagnet 54, the rotating disc 53 is not matched with the fixing ring 51, after the host is powered off, the adsorption electromagnet 54 is powered off, the iron ball 55 is pushed out by the thrust spring 56 to push the position of the tobacco pipe type limiting groove 58, when the output shaft 13 rotates reversely, the part of the iron ball 55, which is arranged in the tobacco pipe type limiting groove 58, limits the rotating disc 53 to protect the helical teeth 14 and the worm wheel 12, after the host is powered on, the rotating disc 53 rotates, the iron ball 55 is extruded through the tobacco pipe type limiting groove 58 on the fixing ring 51, the iron ball 55 radially moves in the accommodating groove 57 and moves to the concave spherical surface of the adsorption electromagnet 54 to be adsorbed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (8)

1. A novel staircase leads to axle host computer includes: a speed reducer (1), a motor (2), a through shaft (3), a motor braking mechanism (4) and a speed reducer protection mechanism (5),
the motor (2) is installed on the speed reducer (1), the input shaft of the speed reducer (1) and the output shaft of the motor (2) are integrally formed to form a through shaft (3), a motor braking mechanism (4) is arranged on the motor (2), and a speed reducer protection mechanism (5) is installed on the speed reducer (1).
2. Novel escalator through shaft main machine according to claim 1, characterized in that the motor (2) comprises: motor casing (21), motor stator (22), electric motor rotor (23) and fan (24), motor casing (21) inside is provided with motor stator (22) and leads to axle (3), leads to the axle (3) and goes up the cover and is equipped with motor rotor (23), and electric motor rotor (23) and motor stator (22) cooperation are used, leads to axle (3) one end and installs fan (24), installs on motor casing (21) and is used for going on motor brake mechanism (4) that brake to leading to axle (3).
3. The novel escalator main shaft machine according to claim 1, characterized in that the speed reducer (1) comprises: the speed reducer comprises a speed reducer shell (11), a worm wheel (12) and an output shaft (13), wherein the output shaft (13) is arranged on the speed reducer shell (11), the worm wheel (12) is sleeved on the output shaft (13), spiral teeth (14) are sleeved on a through shaft (3), the spiral teeth (14) are in meshing transmission with the worm wheel (12), and a speed reducer protection mechanism (5) for preventing the worm wheel (12) from reversely driving the spiral teeth (14) is installed on the speed reducer shell (11).
4. Novel escalator through shaft main machine according to claim 2, characterized in that the motor braking mechanism (4) comprises: the brake device comprises a brake wheel (41), a brake electromagnet (42), a brake arm (43), a pull rod (44), a brake spring (45), a screw rod (46), a hinge seat (47), an arc brake block (48) and an installation frame (49), wherein the brake wheel (41) is sleeved on a through shaft (3), the side wall of a motor shell (21) is symmetrically provided with a brake port (410) and the hinge seat (47), the brake electromagnet (42) is installed on the motor shell (21) through the installation frame (49), the two output ends of the brake electromagnet (42) are coaxially provided with the screw rod (46), one end of the brake arm (43) is hinged with the hinge seat (47), the other end of the screw rod (46) is in threaded connection with the other end of the brake arm (43) and locked through a nut, the brake arm (43) is provided with a through hole (411), one end of the pull rod (44) is connected with the installation frame (49), the other end of the through hole (411) is provided with a baffle (412), the pull rod (44) is sleeved with a brake spring (45), the brake spring (45) is positioned between the baffle (412) and the brake arm (43), the brake surface of the brake arm (43) is provided with an arc brake pad (48), and the arc brake pad (48) is matched with the brake wheel (41) for braking.
5. The novel escalator through shaft main machine according to claim 4, characterized in that the other end of the pull rod (44) is provided with external threads, the baffle (412) is sleeved on the pull rod (44) and slides on the pull rod, and the other end of the pull rod (44) is provided with a locking nut (413).
6. The novel escalator main machine with a through shaft as claimed in claim 4, wherein the outer wall of the brake wheel (41) and the inner wall of the arc-shaped brake block (48) are both provided with brake teeth, and the brake wheel (41) and the arc-shaped brake block (48) are braked by the brake teeth.
7. The novel escalator main machine according to claim 4, wherein friction layers are arranged on the outer wall of the brake wheel (41) and the inner wall of the arc-shaped brake block (48), and the brake wheel (41) and the arc-shaped brake block (48) are braked through the friction layers.
8. The novel escalator main shaft machine according to claim 3, wherein the speed reducer protection mechanism (5) comprises: the side wall of the fixing ring (51) is installed on the reducer shell (11) through the installation seat (52), the fixing ring (51) and the output shaft (13) are coaxially arranged, the rotating disc (53) is sleeved on the output shaft (13), a plurality of accommodating grooves (57) are radially arranged on the side wall of the rotating disc (53), the adsorption electromagnet (54) is arranged inside the accommodating grooves (57), the adsorption end of the adsorption electromagnet (54) is an inner concave spherical surface, the iron balls (55) are placed in the accommodating grooves (57) and are in contact adsorption with the inner concave spherical surface, the thrust spring (56) is sleeved outside the adsorption electromagnet (54), the upper end of the thrust spring (56) is in contact with the iron balls (55), a plurality of smoke pipe type limiting grooves (58) are circumferentially arrayed on the inner wall of the fixing ring (51), the iron ball (55) is matched with the tobacco pipe type limiting groove (58) to prevent the output shaft (13) from rotating reversely.
CN202010975235.8A 2020-09-16 2020-09-16 Novel staircase leads to axle host computer Pending CN112173936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010975235.8A CN112173936A (en) 2020-09-16 2020-09-16 Novel staircase leads to axle host computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010975235.8A CN112173936A (en) 2020-09-16 2020-09-16 Novel staircase leads to axle host computer

Publications (1)

Publication Number Publication Date
CN112173936A true CN112173936A (en) 2021-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010975235.8A Pending CN112173936A (en) 2020-09-16 2020-09-16 Novel staircase leads to axle host computer

Country Status (1)

Country Link
CN (1) CN112173936A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116465816A (en) * 2023-06-20 2023-07-21 四川省兴冶岩土工程检测有限责任公司 Concrete impermeability appearance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116465816A (en) * 2023-06-20 2023-07-21 四川省兴冶岩土工程检测有限责任公司 Concrete impermeability appearance
CN116465816B (en) * 2023-06-20 2023-10-27 四川省兴冶岩土工程检测有限责任公司 Concrete impermeability appearance

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