CN208306384U - A kind of driving and protective device of medium-and low-speed maglev train linear motor - Google Patents
A kind of driving and protective device of medium-and low-speed maglev train linear motor Download PDFInfo
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- CN208306384U CN208306384U CN201820104837.4U CN201820104837U CN208306384U CN 208306384 U CN208306384 U CN 208306384U CN 201820104837 U CN201820104837 U CN 201820104837U CN 208306384 U CN208306384 U CN 208306384U
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Abstract
The utility model relates to the drivings and protective device of a kind of medium-and low-speed maglev train linear motor, are made of motor beam assembly, anti-collision component, magnechuck, pressing plate or reaction plate, guide runner unit, elastic component, lower supporting plate, guiding axis, upper backup pad etc..Compared with prior art, the utility model can adjust linear motor at a distance from track, be allowed to be maintained at lesser zone of reasonableness, to improve the driving force and efficiency of linear motor according to the speed of service of train in the process of running and line conditions；In addition, the protective device energy quick response of the utility model makes linear motor be restored to initial home etc. when suspension failure occurs for train.
Description
Technical field
The utility model relates to the linear motor fields of medium-and low-speed maglev system, arrange more particularly, to a kind of medium-and low-speed maglev
The driving and protective device of vehicle linear motor.
Background technique
Normal conducting electromagnetic levitation (EMS) traffic system is low with running noises compared with conventional rails traffic system, energy of climbing
The outstanding features such as power is strong, turning radius is small, high safety and reliability, operation maintenance cost is low, terrain environment is adaptable.At present
Build up in the world and the medium-and low-speed maglev route for putting into commercial operation share four, be respectively Japan Nagoya the East Hillside Line,
Incheon, South Korea airport line, Changsha airport cable release and Beijing S1 line, the highest running speed of train are 100km/h.With traditional ground
Iron train is compared, and speed advantage is not obvious, therefore the speed of service for improving medium-and low-speed maglev train becomes current middle low speed magnetic
The hot spot of floating traffic technique development.
The factor for influencing medium-and low-speed maglev highest running speed of train is mainly the linear motor driving capability of magnetic-levitation train.
The linear motor of existing medium-and low-speed maglev train is connected on longitudinal beam for suspension frame.Train is in dead ship condition, linear motor
The spacing of lower surface and track upper surface is generally 3-5mm；Both when train is in suspended state, train floating about 8mm, make
Between spacing increase to 11-13mm, biggish motor gas-gap limits the thrust and efficiency of linear motor, increases motor damage
Consumption.
103895528 A of patent CN disclose it is a kind of can be under suspended state through hydraulic cylinder tune that 3-5 group is longitudinally disposed
The method for saving the distance between linear motor and track, but there are security risks for method shown in the patent.On-line operation at present
Medium-and low-speed maglev train be usually 5 module of a section vehicle, i.e. the suspension control point of a section medium-and low-speed maglev vehicle shares 20, train
Partial failure (being commonly called as " falling a little " or " rail-engaging ") problem that suspension control point occurs in the process of running is also difficult to avoid that suspend control
Point failure processed means that the suspension rack of failure side will be solid without suspending power, the linear motor of existing medium-and low-speed maglev train
It is connected on longitudinal beam for suspension frame, by the protection of vertical sled, linear motor will not occur to wipe with track to be touched.If straight-line electric
The spacing of machine and track can timely adjustment, then mean during train operation, the position of linear motor may be lower than hanging down
To the position of sled, linear motor is made to lose the protection of vertical sled, when " falling a little " occurs for train, there are systems for hydraulic system
The slow feature of response speed not can guarantee linear motor and quickly recover to initial home, certainly will occur linear motor with
Track is mutually wiped and is touched, and will lead to orbital plane scratch over long distances and motor stator damage under high-speed cruising state.
Utility model content
The purpose of this utility model is exactly to provide a kind of middle low speed magnetic to overcome the problems of the above-mentioned prior art
The driving and protective device of floating train linear motor adjust train according to the speed of service and line conditions, in the process of running
Linear motor is allowed to be maintained at lesser zone of reasonableness at a distance from track, to improve the driving force and efficiency of linear motor；
When suspension failure occurs for train, the protective device energy quick response of the utility model makes linear motor be restored to initial peace
All positon.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of driving and protective device of medium-and low-speed maglev train linear motor, comprising:
Lower section is fixedly installed with the motor beam assembly of linear motor；
Two groups of guidance sets: fixed and arranged is at motor beam assembly both ends respectively comprising the guiding axis of fixed installation is arranged
The compression elastic component of guiding axis lower part and bottom abut compression elastic component top and can move up and down along guiding axis
Guide runner unit, the guide runner unit are also connected with the motor beam assembly；
At least one magnechuck being fixedly mounted；
The actuation part being fixedly mounted with motor beam assembly: when magnechuck is powered, motor beam is driven so that being attracted part and generating
The suction-combining force of component trend magnechuck；
Anti-collision component: motor beam assembly both ends are mounted on and for protecting linear motor not collide with track.
The effect of part is attracted in the utility model primarily to making the electromagnetic attraction of itself and magnechuck generation, together
When, by controlling the generation of electromagnetic attraction, electromagnetic attraction, the elastic force that compression elastic component generates, linear motor weight may be implemented
Power, linear motor normal force etc. balance in dynamic, and then control the movement of linear motor.Preferably, the actuation part packet
It includes and is mounted on motor beam assembly, and the position for generating the suction-combining force is located at pressing plate or the actuation part packet above magnechuck
It includes and is mounted on motor beam assembly and generates the position of the suction-combining force and be located at reaction plate below magnechuck, at this point, in motor beam
The limit plate that displacement is moved down for abutting longitudinal beam for suspension frame with straight limit motor maximum is also equipped on component.And when actuation part
When for pressing plate above magnechuck, the elastic force that elastic component generates preferably control greater than linear motor gravity, linear motor
The resultant force of normal force, and it is less than the resultant force of linear motor gravity, linear motor normal force and electromagnetic attraction；It and is position when being attracted part
When reaction plate below magnechuck, the elastic force that elastic component generates is preferably controlled to be greater than linear motor gravity, is less than straight line
The resultant force of motor gravity, linear motor normal force, and it is greater than the conjunction of linear motor gravity, linear motor normal force and electromagnetic attraction
Power.
It is furthermore preferred that the spacing of pressing plate and magnechuck is not more than the suspension of train when the actuation part includes pressing plate
Distance；
When the actuation part includes reaction plate and limit plate, the spacing of limit plate and longitudinal beam for suspension frame is no more than train
Suspension distance.
Preferably, the compression elastic component rigidity Design meets: its decrement is less than or equal to the suspension amount of train.
Preferably, it is respectively provided in the upper and lower ends of guiding axis and is fixedly mounted and determines the upper of sliding stroke on guiding axis
Support plate and lower supporting plate, the guide runner unit include that one end is connect with motor beam assembly, and the other end is set in guiding
On axis and the guide runner on compression elastic component top is resisted, guiding has been additionally provided between guide runner and guiding axis and lubrication is made
Sliding sleeve.
Preferably, the anti-collision component includes the mounting base being fixedly connected with motor beam assembly, and the installation of setting
Two idler wheel dead mans, idler wheel, roller shaft, dead man axis, two limited blocks and two microswitches on seat, wherein described to pull out
Bar axis is rotatably arranged in mounting base, and one end of the idler wheel dead man is separately connected the both ends of the dead man axis, other end lower part
It is rotatably equipped with the roller shaft, and is provided with the idler wheel of the prominent linear motor lower surface of lower edge on roller shaft, it is described
Microswitch also feedback link control magnechuck power on/off motor position controller；When train breaks down so that straight line
When motor position decline out of control, idler wheel drives idler wheel dead man to rotate around dead man axis prior to linear motor and rail contact, so that
Idler wheel dead man touches the microswitch, and to motor position controller alarm signal occurs for microswitch, and by motor position
Controller issues corresponding power on/off instruction to magnechuck, so that linear motor is quickly reset to home upwards.It is electric herein
The instruction of the power on/off for the magnechuck that machine positioner issues is determined with specific reference to the positional relationship for being attracted part and magnechuck
It is fixed, when being attracted top of the part in magnechuck, i.e., when the electromagnetic attraction that magnechuck generates declines for controlling linear motor,
Magnechuck power-off is then controlled, conversely, then controlling magnechuck energization when actuation part is located at below magnechuck.
It is furthermore preferred that the anti-collision component further includes being fixed in mounting base and being used to limit the idler wheel dead man upward
The limited block of rotational angle.
It is furthermore preferred that being additionally provided between dead man axis and mounting base for generating the card for making idler wheel dead man far from microswitch
Spring part.
It is furthermore preferred that the driving and protective device further includes being arranged at left and right sides of suspension magnet and for monitoring it
With two suspended sensors in suspension magnet gap, and connect with the suspended sensor and control suspension magnet end lifting
Suspension controller, the suspension controller is also connected with the motor position controller；When the suspension control of suspension magnet side
Device processed receives the surveyed gap signal of suspended sensor and monitors suspended sensor and suspension magnet gap exception and be more than setting
When value, alarm signal is issued to motor position controller, and from motor position controller to the suspension control of the suspension magnet other side
Device processed issues instruction control suspension magnet other side landing, meanwhile, motor position controller issues corresponding on-off to magnechuck
Electricity instruction, so that linear motor quickly resets to home upwards.
Compared with prior art, the utility model skill fast using the response of elastic component (spring can be used) and electromagnet
Art feature is able to achieve train in the process of running by the different technologies scheme that the different configurations of elastic force and electromagnetic force are formed
The operating position for adjusting linear motor downwards is reduced to the spacing of linear motor and track and is more advantageous to performance linear motor drive
It power and improves efficiency, and guarantees linear motor energy Rapid reset to home in an emergency situation.The utility model knot
Structure is simple, safe and reliable, can effectively improve the drive efficiency of linear motor, facilitates medium-and low-speed maglev train and improves operation speed
Degree reduces running wastage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the another embodiment of the utility model；
Fig. 3 is the motor beam assembly of the utility model and the schematic cross-sectional view of guide runner unit matching；
Fig. 4 is the structural schematic diagram of the anti-collision component of the utility model；
Fig. 5 is the suspension controller of the utility model and the control logic figure of motor position controller；
In figure, 1- motor beam assembly, 2- anti-collision component, 3- magnechuck, 4- pressing plate, 5- pin shaft, 6- guide runner unit,
The first spring of 7-, 8- lower supporting plate, 9- guiding axis, 10- upper backup pad, 11- locking nut, the first mounting hole of 12-, 13- second
Mounting hole, 14- motor beam profile, 15- bearing block, 16- rubber arthrosis bearing, 17- pin shaft washer, 18- guide runner, 19- are sliding
Set, 20- third mounting hole, the 4th mounting hole of 21-, 22- retaining ring, 23- mounting base, the left dead man of 24- idler wheel, the 25- idler wheel right side is pulled out
Bar, 26- idler wheel, 27- roller shaft, 28- dead man axis, 29- circlip, 30- microswitch, the 5th mounting hole of 31-, 32- the 6th are installed
Hole, 33- limited block, 34- second spring, 35- reaction plate, 36- magnechuck, 37- limit plate, the electricity on 38- magnechuck
Switch, 39- motor position controller, 40- suspension controller L, 41- suspension controller R, 42- suspended sensor L, 43-, which suspends, to be passed
Sensor R, 44- suspension magnet, 45- vehicle control device.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
The utility model following suspension controller, motor position controller, vehicle control devices used etc. are all made of existing
Controller with the functions such as information collection and processing, such as PLC controller.
The utility model is further described combined with specific embodiments below.
A kind of driving and protective device of medium-and low-speed maglev train linear motor, referring to shown in Fig. 1 and Fig. 4, comprising:
Lower section is fixedly installed with the motor beam assembly 1 of linear motor；
Two groups of guidance sets: fixed and arranged is at 1 both ends of motor beam assembly respectively comprising the guiding axis 10 of fixed installation,
The compression elastic component and bottom for being set in 10 lower part of guiding axis abut compression elastic component top and can be along guiding axis 10
The guide runner unit 6 of lower movement, the guide runner unit 6 are also connected with the motor beam assembly 1；
At least one magnechuck being fixedly mounted；
The actuation part being fixedly mounted with motor beam assembly 1: when magnechuck is powered, motor beam is driven so that being attracted part and generating
The suction-combining force of the trend magnechuck of component 1；
Anti-collision component 2: 1 both ends of motor beam assembly are mounted on and for protecting linear motor not collide with track.
The effect of part is attracted in the utility model primarily to making the electromagnetic attraction of itself and magnechuck generation, together
When, by controlling the generation of electromagnetic attraction, electromagnetic attraction, the elastic force that compression elastic component generates, linear motor weight may be implemented
Power, linear motor normal force etc. balance in dynamic, and then control the movement of linear motor.Preferably, the actuation part packet
It includes and is mounted on motor beam assembly 1, and the position for generating the suction-combining force is located at the pressing plate 4 above magnechuck, it is shown in Figure 1,
Or the part that is attracted includes being mounted on motor beam assembly 1 and generating the position of the suction-combining force to be located at reaction plate below magnechuck
35, it is shown in Figure 2, at this point, being also equipped on motor beam assembly 1 for abutting longitudinal beam for suspension frame with straight limit motor most
The limit plate 37 of displacement is moved down greatly.And when being attracted part is the pressing plate 4 above magnechuck, the elastic force that elastic component generates is excellent
Selected control system is greater than the resultant force of linear motor gravity, linear motor normal force, and is less than linear motor gravity, linear motor normal force
With the resultant force of electromagnetic attraction；And when being attracted part is the reaction plate 35 below magnechuck, the elastic force that elastic component generates is excellent
Selected control is made as being greater than linear motor gravity, less than linear motor gravity, the resultant force of linear motor normal force, and is greater than linear motor
The resultant force of gravity, linear motor normal force and electromagnetic attraction.
It is furthermore preferred that the spacing of pressing plate 4 and magnechuck is outstanding no more than train when the actuation part includes pressing plate 4
Floating distance；
When the actuation part includes reaction plate 35 and limit plate 37, limit plate 37 and the spacing of longitudinal beam for suspension frame are not more than
The suspension distance of train.
Preferably, the compression elastic component rigidity Design meets: its decrement is less than or equal to the suspension amount of train.
Preferably, shown in Figure 2, fixed installation is respectively provided in the upper and lower ends of guiding axis 10 and determines guiding axis
The upper backup pad 10 and lower supporting plate 8 of sliding stroke on 10, the guide runner unit 6 include one end and motor beam assembly 1
Connection, the other end is set on guiding axis 10 and resists the guide runner 18 on compression elastic component top, guide runner 18 with lead
To the sliding sleeve 19 for being additionally provided with guiding and lubricating action between axis 10.
Preferably, shown in Figure 3, the anti-collision component 2 includes the mounting base being fixedly connected with motor beam assembly 1
Two idler wheel dead mans, idler wheel 26,28, two roller shaft 27, dead man axis limited blocks on 23, and the mounting base 23 of setting
33 and two microswitches 30, wherein the dead man axis 28 is rotatably arranged in mounting base 23, one end point of the idler wheel dead man
The both ends of the dead man axis 28 are not connected, and other end lower rotational is equipped with the roller shaft 27, and is arranged on roller shaft 27
There is the idler wheel 26 of the prominent linear motor lower surface of lower edge, the microswitch 30 goes back feedback link control magnechuck
The motor position controller 39 of power on/off；When train breaks down so that when the decline out of control of linear motor position, idler wheel 26 prior to
Linear motor and rail contact, and idler wheel dead man is driven to rotate around dead man axis, so that idler wheel dead man touches the microswitch 30,
To motor position controller 39 alarm signal occurs for microswitch 30, and is sent out from motor position controller 39 to magnechuck
Corresponding power on/off instruction out, so that linear motor is quickly reset to home upwards.Motor position controller 39 issues herein
The instruction of power on/off of magnechuck determined with specific reference to the positional relationship for being attracted part and magnechuck, when being attracted part in electromagnetism
When the top of sucker, i.e., when the electromagnetic attraction that magnechuck generates declines for controlling linear motor, then it is disconnected to control magnechuck
Electricity, conversely, then controlling magnechuck energization when actuation part is located at below magnechuck.
It is furthermore preferred that the anti-collision component 2 further includes being fixed in mounting base 23 and for limiting the idler wheel dead man
It is rotated up the limited block 33 of angle.
It is furthermore preferred that be additionally provided between dead man axis 28 and mounting base 23 makes idler wheel dead man far from microswitch for generating
30 circlip part.
It is furthermore preferred that the driving and protective device further includes being arranged in 44 left and right sides of suspension magnet and for monitoring
Two suspended sensors of itself and 44 gap of suspension magnet, and connect with the suspended sensor and control 44 end of suspension magnet
The suspension controller of portion's lifting, the suspension controller are also connected with the motor position controller 39；It is shown in Figure 5, when
The suspension controller of 44 side of suspension magnet receives the surveyed gap signal of suspended sensor and monitors suspended sensor and suspend
44 gap of magnet is abnormal and when being more than setting value, issues alarm signal and controls to motor position controller 39, and by motor position
Device 39 issues instruction control 44 other side of suspension magnet to the suspension controller of 44 other side of suspension magnet and lands, meanwhile, motor
Positioner 39 issues corresponding power on/off instruction to magnechuck, so that linear motor quickly resets to home upwards.
In the respective embodiments described above, according to the positional relationship for being attracted part and magnechuck, the middle low speed magnetic of the utility model
The driving of floating train linear motor and protective device can preferred two different design schemes, specifically with the following Examples 1
It is further described with embodiment 2.
Embodiment 1
A kind of driving and protective device of medium-and low-speed maglev train linear motor, by motor beam assembly 1, anti-collision component 2,
First magnechuck 3, pressing plate 4, pin shaft 5, guide runner component 6, the first spring 7, lower supporting plate 8, guiding axis 9, upper backup pad
10 equal compositions, as shown in Figure 1.Motor beam assembly 1 is threadedly coupled by the second mounting hole 13 with linear motor, to enhance straight-line electric
The rigidity of machine；Motor beam assembly 1 and guide runner unit 6 assemble the moving component for linear motor by pin shaft 5, use simultaneously
Locking nut 11 screws locking.
The structure of motor beam assembly 1 is shown in Figure 2, by motor beam profile 14, bearing block 15, rubber arthrosis bearing
16, retaining ring 22 etc. forms, wherein motor beam profile 14 and 15 rivet or weld of bearing block.The structure of guide runner unit is also joined
See Fig. 2 comprising guide runner 18 and sliding sleeve 19, wherein guide runner 18 and bearing block 15 pass through pin shaft 5 and rubber arthrosis
Bearing 16 connects, meanwhile, pin shaft washer 17 and retaining ring 22 are additionally provided in the two junction.
The both ends of motor beam assembly 1 are arranged in guiding axis 9, are parallel to each other, and guiding axis 9 passes through lower supporting plate 8 and upper support
Plate 10 is mounted on the empty spring abutment of suspension rack, forms the guide rail of linear motor lifting, shown in Figure 2, lower supporting plate 8 and upper branch
It is equipped with the third mounting hole 20 being fixedly mounted with empty spring abutment on fagging 10, it is solid with upper backup pad 10 that it is additionally provided on guiding axis 9
The 4th fixed mounting hole 21；First 7 sets of spring is arranged in the lower section of guide runner unit 6 on guiding axis 9, lifts whole
The weight of a linear motor component；First magnechuck 3 is affixed on longitudinal beam for suspension frame by the first mounting hole 12, pressing plate 4 with
Motor beam assembly 1 is threadedly coupled, and the vertical spacing of the two and the suspension distance of train match, and is less than or equal to suspension distance.
First spring 7 is located at the lower section of guide runner unit 6, and the design principle of spring rate is: amount of spring compression is less than
Or the suspension amount equal to train；The spring force of generation be greater than motor gravity, motor normal force resultant force, and be less than motor gravity,
The resultant force of motor normal force and electromagnetic attraction.
Anti-collision component 2 is by mounting base 23, the left dead man 24 of idler wheel, the right dead man 25 of idler wheel, idler wheel 26, roller shaft 27, dead man axis
28, circlip 29, microswitch 30 form.Anti-collision component 2 is mounted on the both ends of linear motor by the 5th mounting hole 31；It is each anti-
Touching component 2 includes two microswitches 30, and mutual redundancy is mounted on two sides in mounting base 23 by the 6th mounting hole 32 respectively；
The left dead man 24 of idler wheel, the right dead man 25 of idler wheel, idler wheel 26, roller shaft 27 are assembled by dead man axis 28 and mounting base 23, can be certain
It is rotated in range around dead man axis 28；The lower edge of idler wheel 26 protrudes from linear motor stator electric surface about 2-3mm, when some of train is outstanding
Floating magnet 44 breaks down, and when leading to corresponding linear motor position " falling a little " out of control, idler wheel 26 is prior to linear motor and track
It is in contact, and makes the left dead man 24 of corresponding idler wheel and the corresponding triggering microswitch 30 of the right dead man 25 of idler wheel, while by fine motion
Switch 30 issues alarm signal to motor position controller 39, and motor position controller 39 is controlled to suspension controller L40 and suspension
Device R41 processed issues " suspension magnet landing " instruction, so that suspension magnet 44 lands, while the electric switch on the first magnechuck
38 issue " closing " instruction, the power-off of the first magnechuck 3, and linear motor is quickly reset to upwards under the action of the first spring 7
Home.In addition, being abutted the left and right dead man of idler wheel by for limiting before anti-collision component 2 is not released completely and contacted with rail level
The constraint of limited block 33, idler wheel 26 continue with track be kept in contact and with garage into, protect linear motor not with track generation
Collision.
When train is in non-suspended state, linear motor lower surface keeps the gap of 3-5mm or so with track upper surface,
When train is in suspended state, linear motor floats with train, between linear motor lower surface at this time and track upper surface
Gap is increased to 11-13mm, and train in the process of running can be according to the work of travel speed and track condition timely adjustment linear motor
Make position, process is: when train is in non-operating state, the spring force that the first spring 7 generates is greater than linear motor weight
Amount, is bonded 18 upper surface of guide runner of guide runner unit 6 with 10 lower surface of upper backup pad；When train is in low speed operation
When state, the spring force that the first spring 7 generates is greater than the resultant force of motor weight and motor normal force, and linear motor stator electric is still kept
It is in situ motionless；It is shown in Figure 5 when train is in high-speed cruising state, train control system (i.e. vehicle control device 45) to
Motor position controller 39 issues " motor decline " instruction, electric switch of the motor position controller 39 on the first magnechuck
38 issue " closed " instruction, and the first magnechuck 3 powers on, and the pressing plate 4 being mounted on motor beam assembly 1 is made by electromagnetic attraction
With driving motor beam assembly 1, guide runner unit 6 and the linear motor that is mounted on motor beam assembly 1 vertical along guiding axis 9
Move down, at this time spring force be less than motor weight, motor normal force and electromagnetic attraction be formed by resultant force, make linear motor with
Track keeps the distance of about 5-6mm, to improve the thrust and propulsive efficiency of linear motor.
It is shown in Figure 5, when certain suspension controller (such as suspension controller L40) of train monitors corresponding suspension magnetic
The gap suspended sensor L42 at the end L of iron 44 is abnormal and when being more than specified value, issues alarm signal to motor position controller 39
Number, motor position controller 39 issues " suspension magnet landing " instruction to the suspension controller R41 at the end R of the suspension magnet 44,
The electric switch 38 on the first magnechuck issues " closing " instruction simultaneously.First magnechuck 3 power-off after, the first spring 7 by
Pressure releases, and spring force is greater than motor weight and motor normal force, drives linear motor to be quickly reset to home upwards, prevents
Linear motor occurs to wipe with orbital plane to be touched.
Embodiment 2
A kind of driving and protective device of medium-and low-speed maglev train linear motor, by motor beam assembly 1, anti-collision component 2,
Pin shaft 5, guide runner unit 6, lower supporting plate 8, guiding axis 9, upper backup pad 10, second spring 34, reaction plate 35, the second electromagnetism
The composition such as sucker 36, limit plate 37, as shown in Figure 4.Motor beam assembly 1 is connected by the second mounting hole 13 with linear motor screw thread
It connects, to enhance the rigidity of linear motor；Motor beam assembly 1 and guide runner unit 6 assemble the fortune for linear motor by pin shaft 5
Dynamic component, while it is locking that locking nut 11 is arranged；Guiding axis 9 is arranged at both ends, is parallel to each other, and guiding axis 9 passes through lower supporting plate 8
With on the empty spring abutment of upper backup pad 10 and suspension rack, the guide rail of linear motor lifting is formed；34 sets of second spring in guiding axis 9
On, the lower section of guide runner unit 6 is set, the weight of entire linear motor component is lifted；Second magnechuck 36 passes through
First mounting hole 12 is affixed on longitudinal beam for suspension frame, and reaction plate 35 and limit plate 37 are threadedly coupled with motor beam assembly 1, in train
When in non-operating state, reaction plate 35 is bonded with the second magnechuck 36, and limit plate 37 is vertical with longitudinal beam for suspension frame
Spacing and the suspension distance of train match, and are less than or equal to suspension distance.
The structure of motor beam assembly 1 is shown in Figure 2, by motor beam profile 14, bearing block 15, rubber arthrosis bearing
16, retaining ring 22 etc. forms, wherein motor beam profile 14 and 15 rivet or weld of bearing block.The structure of guide runner unit is also joined
See Fig. 2 comprising guide runner 18 and sliding sleeve 19, wherein guide runner 18 and bearing block 15 pass through pin shaft 5 and rubber arthrosis
Bearing 16 connects, meanwhile, pin shaft washer 17 and retaining ring 22 are additionally provided in the two junction.
Second spring 34 is located at the lower section of guide runner unit 6, and the design principle of spring rate is: amount of spring compression is less than
Or the suspension amount equal to train；The spring force of generation is greater than motor gravity, less than motor gravity, the resultant force of motor normal force, and
Greater than motor gravity, the resultant force of motor normal force and electromagnetic attraction.
Anti-collision component 2 is by mounting base 23, the left dead man 24 of idler wheel, the right dead man 25 of idler wheel, idler wheel 26, roller shaft 27, dead man axis
28, circlip 29, microswitch 30 form.Anti-collision component 2 is mounted on the both ends of linear motor by the 5th mounting hole 31；It is each anti-
Touching component 2 includes two microswitches 30, and mutual redundancy is mounted on two sides in mounting base 23 by the 6th mounting hole 32 respectively；
The left dead man 24 of idler wheel, the right dead man 25 of idler wheel, idler wheel 26, roller shaft 27 are assembled by dead man axis 28 and mounting base 23, can be certain
It is rotated in range around dead man axis 28；The lower edge of idler wheel 26 protrudes from linear motor stator electric surface about 2-3mm, when some of train is outstanding
Floating magnet control point is broken down, when leading to corresponding linear motor position " falling a little " out of control, idler wheel 26 prior to linear motor with
Track is in contact, and is triggered microswitch 30 and issued alarm signal, motor position controller 39 to motor position controller 39
" suspension magnet landing " instruction, while the electricity on the second magnechuck are issued to suspension controller L40 and suspension controller R41
Switch 38 issues " closed " instruction, and the second magnechuck 36 powers on, and linear motor is fast under the action of electromagnetic attraction and spring force
It is fast to be reset to home upwards.In addition, before anti-collision component 2 is not released completely and contacted with rail level, by the pact of limited block 33
Beam, idler wheel 26 continue to be kept in contact with track and with garage into protecting linear motor not collide with track.
When train is in non-suspended state, linear motor lower surface keeps the gap of 3-5mm or so with track upper surface,
When train is in suspended state, linear motor floats with train, between linear motor lower surface at this time and track upper surface
Gap is increased to 11-13mm, and train can automatically adjust the operating position of linear motor in the process of running, and process is: working as train
When in non-operating state, the spring force that second spring 34 generates is greater than motor weight, makes to be mounted on anti-on motor beam assembly
Plate 35 is answered to be bonded with the second magnechuck 36；When train is in operating status, when the resultant force of motor normal force and motor gravity
When greater than spring force, linear motor is driven to move down；Linear motor is displaced downwardly to limit plate 37 and when longitudinal beam for suspension frame upper surface contacts
Stop, linear motor is kept at a distance from about 5-6mm with track at this time, is imitated to improve the driving force of linear motor and draw
Rate.
It is shown in Figure 5, when certain suspension controller (such as suspension controller L40) of train monitors corresponding suspension magnetic
The gap suspended sensor L42 at the end L of iron 44 is abnormal and when being more than specified value, issues alarm signal to motor position controller 39
Number, motor position controller 39 issues " suspension magnet landing " instruction to the suspension controller R 41 at the end R of the suspension magnet 44,
The electric switch 38 on the second magnechuck issues " closed " instruction simultaneously, and the second magnechuck 36 powers on.Second magnechuck
After 36 power on, electromagnetic attraction is generated to reaction plate 35, the restoring force power-up magnetic attraction of second spring 34 at this time is greater than motor weight
Amount, the resultant force of motor normal force, drive linear motor to be quickly reset to home upwards, prevent linear motor and orbital plane from sending out
Raw wipe is touched.
Outside above-described embodiment, drive linear motor fast in the way of spring force, electromagnetic force or spring force power-up magnetic force
Speed, which is replied, also can be used other structures, and position or the upper and lower support plate and the of upper and lower support plate is arranged in such as the second magnechuck
Two magnechucks " two-in-one "；For another example upper and lower support plate may be mounted on trailing arm, or with empty spring abutment or trailing arm " two-in-one "；Again
Such as guiding device can be used linear guide or linear bearing, such transformation the protection scope of the utility model it
It is interior.
It can understand the above description of the embodiments is intended to facilitate those skilled in the art and use practical
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (9)
1. a kind of driving and protective device of medium-and low-speed maglev train linear motor characterized by comprising
Lower section is fixedly installed with the motor beam assembly (1) of linear motor；
Two groups of guidance sets: fixed and arranged is at motor beam assembly (1) both ends respectively comprising guiding axis (9), the set of fixed installation
The compression elastic component and bottom for being located at guiding axis (9) lower part abut compression elastic component top and can be along guiding axis (9)
The guide runner unit (6) of lower movement, the guide runner unit (6) are also connected with the motor beam assembly (1)；
At least one magnechuck being fixedly mounted；
The actuation part being fixedly mounted with motor beam assembly (1): when magnechuck is powered, motor beam group is driven so that being attracted part and generating
The suction-combining force of part (1) trend magnechuck；
Anti-collision component (2): motor beam assembly (1) both ends are mounted on and for protecting linear motor not collide with track.
2. the driving and protective device of a kind of medium-and low-speed maglev train linear motor according to claim 1, feature exist
In the actuation part includes being mounted on motor beam assembly (1), and the position for generating the suction-combining force is located above magnechuck
Pressing plate (4),
Or the actuation part is located at below magnechuck including being mounted on motor beam assembly (1) and generating the position of the suction-combining force
Reaction plate (35), at this point, being also equipped on motor beam assembly (1) maximum with straight limit motor for abutting longitudinal beam for suspension frame
Move down the limit plate (37) of displacement.
3. the driving and protective device of a kind of medium-and low-speed maglev train linear motor according to claim 2, feature exist
In when the actuation part includes pressing plate (4), the spacing of pressing plate (4) and magnechuck is not more than the suspension distance of train；
When the actuation part includes reaction plate (35) and limit plate (37), limit plate (37) and the spacing of longitudinal beam for suspension frame are little
In the suspension distance of train.
4. the driving and protective device of a kind of medium-and low-speed maglev train linear motor according to claim 1, feature exist
In the compression elastic component rigidity Design meets: its decrement is less than or equal to the suspension amount of train.
5. the driving and protective device of a kind of medium-and low-speed maglev train linear motor according to claim 1, feature exist
In being respectively provided in the upper and lower ends of guiding axis (9) and be fixedly mounted and determine the upper backup pad of sliding stroke on guiding axis (9)
(10) and lower supporting plate (8), the guide runner unit (6) include that one end is connect with motor beam assembly (1), and the other end is arranged
On guiding axis (9) and the guide runner (18) on compression elastic component top is resisted, between guide runner (18) and guiding axis (9)
It has been additionally provided with the sliding sleeve (19) of guiding and lubricating action.
6. the driving and protective device of a kind of medium-and low-speed maglev train linear motor according to claim 1, feature exist
In the anti-collision component (2) includes the mounting base (23) being fixedly connected with motor beam assembly (1), and the mounting base of setting
(23) two idler wheel dead mans, idler wheel (26), roller shaft (27), dead man axis (28), two limited blocks (33) on and two it is micro-
Dynamic switch (30), wherein the dead man axis (28) is rotatably arranged on mounting base (23), and one end of the idler wheel dead man connects respectively
The both ends of the dead man axis (28) are connect, other end lower rotational is equipped with the roller shaft (27), and is set on roller shaft (27)
It is equipped with the idler wheel (26) of the prominent linear motor lower surface of lower edge, the microswitch (30) goes back feedback link control electromagnetism
The motor position controller (39) of sucker power on/off；
When train breaks down so that when the decline out of control of linear motor position, idler wheel is prior to linear motor and rail contact, and band
Dynamic idler wheel dead man is rotated around dead man axis (28) so that idler wheel dead man touches the microswitch (30), microswitch (30) i.e. to
Alarm signal occurs for motor position controller (39), and issues corresponding power on/off from motor position controller (39) to magnechuck
Instruction, so that linear motor is quickly reset to home upwards.
7. the driving and protective device of a kind of medium-and low-speed maglev train linear motor according to claim 6, feature exist
In the anti-collision component (2) further includes being fixed on mounting base (23) and being rotated up angle for limiting the idler wheel dead man
The limited block (33) of degree.
8. the driving and protective device of a kind of medium-and low-speed maglev train linear motor according to claim 6, feature exist
In being additionally provided with circlip part between dead man axis (28) and mounting base (23).
9. the driving and protective device of a kind of medium-and low-speed maglev train linear motor according to claim 6, feature exist
In the driving and protective device further include being arranged at left and right sides of suspension magnet and for monitoring itself and suspension magnet gap
Two suspended sensors, and connect with the suspended sensor and control suspension magnet end lifting suspension controller,
The suspension controller is also connected with the motor position controller (39)；It is hanged when the suspension controller of suspension magnet side receives
When floating the surveyed gap signal of sensor and monitoring suspended sensor and suspension magnet gap exception and be more than setting value, issues and report
Alert signal is given motor position controller (39), and from motor position controller (39) to the suspension controller of the suspension magnet other side
Instruction control suspension magnet other side landing is issued, meanwhile, motor position controller (39) issues corresponding on-off to magnechuck
Electricity instruction, so that linear motor quickly resets to home upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104837.4U CN208306384U (en) | 2018-01-22 | 2018-01-22 | A kind of driving and protective device of medium-and low-speed maglev train linear motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104837.4U CN208306384U (en) | 2018-01-22 | 2018-01-22 | A kind of driving and protective device of medium-and low-speed maglev train linear motor |
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| CN208306384U true CN208306384U (en) | 2019-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394310A (en) * | 2018-01-22 | 2018-08-14 | 同济大学 | A kind of driving of medium-and low-speed maglev train linear motor and protective device |
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2018
- 2018-01-22 CN CN201820104837.4U patent/CN208306384U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394310A (en) * | 2018-01-22 | 2018-08-14 | 同济大学 | A kind of driving of medium-and low-speed maglev train linear motor and protective device |
| CN108394310B (en) * | 2018-01-22 | 2023-08-29 | 同济大学 | Driving and protecting device for linear motor of medium-low speed maglev train |
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