CN107140513A - A kind of improved escalator or moving sidewalk and its driving main frame - Google Patents
A kind of improved escalator or moving sidewalk and its driving main frame Download PDFInfo
- Publication number
- CN107140513A CN107140513A CN201710414373.7A CN201710414373A CN107140513A CN 107140513 A CN107140513 A CN 107140513A CN 201710414373 A CN201710414373 A CN 201710414373A CN 107140513 A CN107140513 A CN 107140513A
- Authority
- CN
- China
- Prior art keywords
- escalator
- main frame
- magnetic induction
- flywheel
- sense part
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
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- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses a kind of improved escalator or moving sidewalk and its driving main frame, main frame, including the motor and reduction box being driven successively are wherein driven, is additionally provided with and the relatively-stationary braking flywheel of electric machine main shaft, magnetic induction encoder is additionally provided with, the magnetic induction encoder includes：It is arranged on the braking flywheel and around electric machine main shaft axis arrangement by sense part；It is engaged by sense part with described and is in the magnetic induction sensing device of fixed position.It is described to be located at by sense part on the axial end of braking flywheel, or on the outer peripheral face of braking flywheel.In escalator or the driving main frame of moving sidewalk that the present invention is provided, magnetic induction encoder assembly technology is simple, and arrangement and spatial degrees of freedom are big, it is not necessary to accurately accomplish to be co-axially mounted, and stable and reliable operation, and cost is relatively low.
Description
Technical field
The present invention relates to staircase technical field, and in particular to a kind of improved escalator or moving sidewalk and its driving
Main frame.
Background technology
The widely used drive system of traditional escalator or moving sidewalk is as shown in figure 1, including truss 4007, electricity
Machine 4006, drive shaft 4005, drive sprocket 4001, driving chain 4003, ladder sprocket wheel 4004, proximity switch 4002 etc., its
Middle drive sprocket 4001 is fixedly mounted in drive shaft 4005, and the rotation of motor 4006 is transferred to drive by driving chain 4003
Movable sprocket 4001, drive sprocket 4001 drives drive shaft 4005 to rotate, so as to drive the operation of escalator system.
Proximity switch is used to detect the motion states such as rotating speed, the rotating of drive shaft, and is fed back to according to motion state
Staircase control system, the operation to staircase is controlled.Proximity switch is generally switched using photoelectricity metal approach, as shown in Fig. 2
Proximity switch 4002 is typically mounted on the position of neighbouring drive sprocket 4001, and the gear teeth being evenly arranged on drive sprocket 4001 are handed over
For triggering proximity switch 4002, by the triggering situation of proximity switch 4002, the running status of staircase is fed back, and open according to close
The trigger signal for closing 4002 is controlled to staircase.Because in escalator system there is the relatively rugged environments such as lubrication greasy dirt in Chain conveyer
Factor, photoelectricity metal trigger switch is easily interfered, job insecurity.
In order to avoid the unfavorable factor that Chain conveyer is brought, using gear drive driving staircase operation, using gear-driven
Staircase drive system as shown in figure 3, including：Truss 4007, motor 4006, drive shaft 4005, ladder sprocket wheel 4004, photoelectricity are compiled
Code device 4013 etc., in the absence of the drive sprocket in traditional Chain conveyer staircase, therefore, it is impossible to using proximity switch detection detection driving
The rotary state of main shaft.
In gear-driven escalator system, the motion state of drive shaft, photoelectricity are generally detected using photoelectric encoder
Encoder need to be co-axially mounted with drive shaft, and due to the limitation of staircase structure, mounting and adjusting is more difficult.
The content of the invention
The invention provides a kind of escalator or the driving main frame of moving sidewalk, helped using magnetic induction encoder measurement
The motion state of electric machine main shaft, simple in construction in terraced drive system, easy for installation, and performance is stable and cost is relatively low.
A kind of driving main frame of escalator or moving sidewalk, including the motor and reduction box being driven successively, are additionally provided with
With the relatively-stationary braking flywheel of electric machine main shaft, it is characterised in that be additionally provided with magnetic induction encoder, the magnetic induction encoder bag
Include：
It is arranged on the braking flywheel and around electric machine main shaft axis arrangement by sense part；
It is engaged by sense part with described and is in the magnetic induction sensing device of fixed position.
For the photoelectric encoder applied in gear-driven escalator system, magnetic induction encoder is to installation accuracy
It is required that reduction, be easily installed and position adjustment progress.
Described be arranged on by sense part on braking flywheel includes：By sense part being connected with braking flywheel directly or indirectly,
Or by sense part with braking situations such as flywheel is structure as a whole.
Braking flywheel is relatively fixed with electric machine main shaft, when escalator is out of service, and braking flywheel relies on inertia, prevents certainly
Jerk occurs for dynamic staircase.
In the magnetic induction encoder is the annulus arranged around electric machine main shaft axis by sense part, by sense part with braking
Flywheel synchronization rotates around electric machine main shaft axis, and the magnetic induction sensing device is in fixed position and with being connect by sense part is indirect
Touch, by detecting by the change of magnetic field strength in sense part rotary course, export periodic waveform signal, such as sine wave,
Square wave or other waveforms etc., staircase control system is using the waveform signal of output, output speed and turned position to motor
It is controlled.
Preferably, described be located at by sense part on the axial end of braking flywheel, or positioned at the outer peripheral face of braking flywheel
On.The magnetic induction sensing device is located at by the side of sense part axial direction, or by the side of sense part radial direction.
Described to be located at by sense part on any axial end of braking flywheel, the magnetic induction sensing device is arranged on
On a certain fixed position of escalator system, i.e., when escalator system works, magnetic induction sensing device holding position is constant, magnetic induction
Sensing device and by non-direct contact between sense part.
Preferably, the periphery of the braking flywheel is provided with protective cover, the magnetic induction sensing device is fixedly connected on anti-
On shield.
It is described to be respectively positioned on by sense part and magnetic induction sensing device inside protective cover, magnetic induction is encoded using protective cover
Device is protected.
Preferably, described is gear or magnet ring by sense part；
The magnet ring is overall structure, or multiple permanent magnets being spaced apart around electric machine main shaft axis；
The gear is overall structure, or multiple double wedges being spaced apart around electric machine main shaft axis.
The magnet ring can be overall structure, or form magnet ring by being spaced apart for polylith permanent magnet, in magnet ring forever
The N poles and S poles of magnet are alternately distributed.
Gear that the gear can be structure as a whole, or formed by being spaced apart for double wedge similar to gear
Structure, for example, processing double wedge on the axial end of braking flywheel or on the outer peripheral face of braking flywheel, forms annular array.
Preferably, described is the multiple double wedges for being distributed in braking flywheel periphery, the tooth top of each double wedge by sense part
Towards the radial direction of braking flywheel, the magnetic induction sensing device is located at by the side of sense part radial direction.The multiple double wedge and system
Dynamic flywheel is structure as a whole.
The tooth top of each double wedge is interpreted as each double wedge and made by the bearing of trend edge of tooth root to tooth top towards the radial direction of braking flywheel
The radial direction of dynamic flywheel, or it is interpreted as radial direction of the high direction of tooth along braking flywheel.
Preferably, being coordinated between the main shaft of the motor and the input shaft of reduction box by shaft coupling transmission, the system
Dynamic flywheel is fixedly connected on the main shaft of motor, or is fixedly connected on the input shaft of reduction box, or is fixedly connected on described
On axle device.
The braking flywheel is fixed with respect to electric machine main shaft, and the installation site of braking flywheel can be in electric machine main shaft, reduction box
Optional one in input shaft, shaft coupling.
Present invention also offers a kind of improved escalator or moving sidewalk, provided with foregoing driving main frame,
A part for the reduction box is between step and truss, is had between step and reduction box and is installed gap, the braking
The outer rim of flywheel extends into the installation gap.
Preferably, the shell of the motor presses close to step, braking flywheel diameter is more than the diameter of motor housing.
Braking flywheel is stretched into the installation gap beyond the part of motor housing, by the utilization to installing gap, is made
The diameter dimension of braking flywheel can do more, and meet the staircase requirement of heavy－duty and big hoisting depth.
In escalator or the driving main frame of moving sidewalk that the present invention is provided, the letter of magnetic induction encoder assembly technology
Single, arrangement and spatial degrees of freedom are big, it is not necessary to accurately accomplish to be co-axially mounted, and stable and reliable operation, and cost is relatively low.
Brief description of the drawings
Fig. 1 is in the prior art using chaindriven staircase drive system schematic diagram；
Fig. 2 is in the prior art using the matching relationship of proximity switch and drive sprocket in chaindriven staircase drive system
Schematic diagram；
Fig. 3 is in the prior art using gear-driven staircase drive system schematic diagram；
Fig. 4 is the schematic diagram of the driving main frame of escalator of the present invention or moving sidewalk；
Fig. 5 is the D portions enlarged drawing in Fig. 4；
Fig. 6 is the first embodiment schematic diagram being arranged in by sense part on outer peripheral face；
Fig. 7 is second of embodiment schematic diagram being arranged in by sense part on outer peripheral face；
Fig. 8 is the first embodiment schematic diagram being arranged in by sense part on axial end；
Fig. 9 a and Fig. 9 b are second of the embodiment schematic diagram (different visual angles) being arranged in by sense part on axial end.
In figure：4001st, drive sprocket；4002nd, proximity switch；4003rd, driving chain；4004th, ladder sprocket wheel；4005th, drive
Dynamic main shaft；4006th, motor；4007th, truss；4008th, reduction box；4009th, magnetic induction sensing device；4010th, gear；4011st, it is convex
Tooth；4012nd, permanent magnet；4013rd, photoelectric encoder；4014th, flywheel is braked；4015th, braked wheel；4016th, protective cover；4017th, it is terraced
Level；A, by sense part；B, by sense part；C, by sense part.
Embodiment
Below in conjunction with the accompanying drawings, improved escalator or moving sidewalk of the invention and its driving main frame are done and retouched in detail
State.
As shown in Figure 4, Figure 5, a kind of driving main frame of escalator or moving sidewalk, including the motor being driven successively
4006 and reduction box 4008, braking flywheel 4014 is installed on the input shaft of reduction box 4008, provided with the detection main shaft of motor 4006
Turned position and the magnetic induction encoder of output speed.
As shown in figure 4, being connected between the main shaft of motor 4006 and the input shaft of reduction box 4008 by shaft coupling, shaft coupling
Including：It is fixed on the first flange disk on the main shaft of motor 4006, and the second flange being fixed on the input shaft of reduction box 4008
Disk, first flange disk and second flange disk mutually recline and are bolted.The periphery of second flange disk is provided with braked wheel
4015, the periphery of braked wheel is provided with braking flywheel 4014, and second flange disk, braked wheel 4015, braking flywheel 4014 are coaxially arranged,
And three is structure as a whole.
As shown in figure 4, a part for reduction box 4008 is between step 4017 and truss 4007, in step 4017 with subtracting
Have between fast case 4008 and gap is installed, the diameter of braking flywheel 4014 is more than the diameter of the shell of motor 4006, motor 4006
Shell presses close to step arrangement, and the outer rim of braking flywheel 4014 extends into installation gap.
As shown in Figure 4, Figure 5, magnetic induction encoder includes：By sense part, and with being engaged by sense part and position is consolidated
Fixed magnetic induction sensing device.As shown in figure 5, can be arranged on multiple positions by sense part, for example, it is arranged on by sense part a
On the outer peripheral face for braking flywheel 4014, it is arranged on by sense part b and by sense part c on the axial end of braking flywheel 4014.Quilt
Sense part can also be arranged on the outer peripheral face of braked wheel 4015.
One can be only set by sense part, or designs multiple as needed, can be in Fig. 5 by the installation site of sense part
Arbitrarily selected in the position illustrated.
Be arranged on the structure by sense part on outer peripheral face can using two kinds of forms, the first form as shown in fig. 6, by
Sense part is gear 4010, and gear 4010 is the overall structure around the braking axis of flywheel 4014 distribution, or around braking flywheel
4014 axis are spaced apart multiple double wedges 4011, the radial direction of the tooth top direction braking flywheel 4014 of each double wedge 4011.By sense part
During for gear 4010, it can be structure as a whole with braking flywheel 4014.Magnetic induction sensing device 4009 is arranged on by sense part footpath
To side.
Second of form is as shown in fig. 7, be magnet ring by sense part, magnet ring is the entirety around the braking axis of flywheel 4014 distribution
Structure, or it is spaced apart multiple permanent magnets 4012, the N poles of multiple permanent magnets 4012 and S poles alternating around the braking axis of flywheel 4014
Distribution, the layout angle and gap of N poles and S poles are determined according to the actual requirements.Magnetic induction sensing device 4009, which is arranged on, to be felt
The side of part radial direction.
Two kinds of forms can be used by sense part by being arranged on axial end, and the first form is as shown in figure 8, by sense portion
Part is gear 4010, and gear 4010 is the overall structure around the braking axis of flywheel 4014 distribution, or around the braking axle of flywheel 4014
Line is spaced apart multiple double wedges 4011, the axial direction of the tooth top direction braking flywheel 4014 of each double wedge 4011.
The tooth top of each double wedge is interpreted as each double wedge and made by the bearing of trend edge of tooth root to tooth top towards the axial direction of braking flywheel
The axial direction of dynamic flywheel, or it is interpreted as axial direction of the high direction of tooth along braking flywheel.
During by sense part for gear 4010, it can be structure as a whole with braking flywheel 4014.Magnetic induction sensing device 4009
It is arranged on by the side of sense part axial direction.
Second of form is magnet ring by sense part as shown in Fig. 9 a, Fig. 9 b, and magnet ring is around the braking axis of flywheel 4014 distribution
Overall structure, or around braking the axis of flywheel 4014 be spaced apart multiple permanent magnets 4012.The N poles of multiple permanent magnets 4012 and S
Pole is alternately distributed, and the layout angle and gap of N poles and S poles are determined according to the actual requirements.Magnetic induction sensing device 4009 is set
By the side of sense part axial direction.
As shown in figure 5, the periphery of braking flywheel 4014 is provided with protective cover 4016, magnetic induction sensing device is fixedly connected on anti-
On shield 4016.Magnetic induction encoder is arranged on into protective cover to protect the formation of magnetic induction encoder.For one by sense part,
Magnetic induction sensing device can be arranged as required to one or more, magnetic induction sensing device and the mutual alignment pass by sense part
System is set as needed.
The present invention by magnetic induction encoder applies in escalator system, by the position between sense part and magnetic induction sensing device
Relation is put, is adjusted according to actual needs, the operation principle of magnetic induction encoder is repeated no more compared with technology.
Claims (9)
1. the driving main frame of a kind of escalator or moving sidewalk, including the motor and reduction box being driven successively, be additionally provided with
The relatively-stationary braking flywheel of electric machine main shaft, it is characterised in that be additionally provided with magnetic induction encoder, the magnetic induction encoder includes：
It is arranged on the braking flywheel and around electric machine main shaft axis arrangement by sense part；
It is engaged by sense part with described and is in the magnetic induction sensing device of fixed position.
2. the driving main frame of escalator as claimed in claim 1 or moving sidewalk, it is characterised in that described by sense part
On the axial end of braking flywheel, or on the outer peripheral face of braking flywheel.
3. the driving main frame of escalator as claimed in claim 1 or moving sidewalk, it is characterised in that the braking flywheel
Periphery be provided with protective cover, the magnetic induction sensing device is fixedly connected on protective cover.
4. the driving main frame of escalator as claimed in claim 1 or moving sidewalk, it is characterised in that described by sense part
For gear or magnet ring；
The magnet ring is overall structure, or multiple permanent magnets being spaced apart around electric machine main shaft axis；
The gear is overall structure, or multiple double wedges being spaced apart around electric machine main shaft axis.
5. the driving main frame of the escalator or moving sidewalk as described in any one of Claims 1 to 4, it is characterised in that institute
It is to be distributed in the multiple double wedges for braking flywheel periphery to state by sense part, the radial direction of the tooth top direction braking flywheel of each double wedge,
The magnetic induction sensing device is located at by the side of sense part radial direction.
6. the driving main frame of escalator as claimed in claim 5 or moving sidewalk, it is characterised in that the multiple double wedge
It is structure as a whole with braking flywheel.
7. the driving main frame of the escalator or moving sidewalk as described in any one of Claims 1 to 4, it is characterised in that institute
State and coordinated between the main shaft of motor and the input shaft of reduction box by shaft coupling transmission, the braking flywheel is fixedly connected on motor
Main shaft on, or be fixedly connected on the input shaft of reduction box, or be fixedly connected on the shaft coupling.
8. a kind of improved escalator or moving sidewalk, it is characterised in that provided with as described in any one of claim 1~7
Driving main frame, a part for the reduction box is between step and truss, has clipping room between step and reduction box
Gap, the outer rim of the braking flywheel extends into the installation gap.
9. improved escalator or moving sidewalk as claimed in claim 8, it is characterised in that the shell patch of the motor
Nearly step, braking flywheel diameter is more than the diameter of motor housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710414373.7A CN107140513A (en) | 2017-06-05 | 2017-06-05 | A kind of improved escalator or moving sidewalk and its driving main frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710414373.7A CN107140513A (en) | 2017-06-05 | 2017-06-05 | A kind of improved escalator or moving sidewalk and its driving main frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107140513A true CN107140513A (en) | 2017-09-08 |
Family
ID=59780528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710414373.7A Pending CN107140513A (en) | 2017-06-05 | 2017-06-05 | A kind of improved escalator or moving sidewalk and its driving main frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107140513A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020011814A1 (en) * | 2000-07-11 | 2002-01-31 | Nissan Motor Co., Ltd. | Pole position detector for motor |
| JP2003306272A (en) * | 2002-04-12 | 2003-10-28 | Toshiba Elevator Co Ltd | Motor for hoist |
| CN102648142A (en) * | 2009-09-25 | 2012-08-22 | 通力股份公司 | Measuring arrangement, electric drive, hoisting machine and elevator system |
| CN205011213U (en) * | 2015-08-14 | 2016-02-03 | 西子奥的斯电梯有限公司 | Magnetic induction staircase speed detecting system |
| CN105905764A (en) * | 2016-06-15 | 2016-08-31 | 上海三菱电梯有限公司 | Elevator traction machine |
| CN205610428U (en) * | 2016-04-27 | 2016-09-28 | 蒂森克虏伯电梯（上海）有限公司 | Permanent synchronous tractor |
-
2017
- 2017-06-05 CN CN201710414373.7A patent/CN107140513A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020011814A1 (en) * | 2000-07-11 | 2002-01-31 | Nissan Motor Co., Ltd. | Pole position detector for motor |
| JP2003306272A (en) * | 2002-04-12 | 2003-10-28 | Toshiba Elevator Co Ltd | Motor for hoist |
| CN102648142A (en) * | 2009-09-25 | 2012-08-22 | 通力股份公司 | Measuring arrangement, electric drive, hoisting machine and elevator system |
| CN205011213U (en) * | 2015-08-14 | 2016-02-03 | 西子奥的斯电梯有限公司 | Magnetic induction staircase speed detecting system |
| CN205610428U (en) * | 2016-04-27 | 2016-09-28 | 蒂森克虏伯电梯（上海）有限公司 | Permanent synchronous tractor |
| CN105905764A (en) * | 2016-06-15 | 2016-08-31 | 上海三菱电梯有限公司 | Elevator traction machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170908 |
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| RJ01 | Rejection of invention patent application after publication |