CN102730533A - Improved escalator or moving sidewalk - Google Patents
Improved escalator or moving sidewalk Download PDFInfo
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- CN102730533A CN102730533A CN2012102486443A CN201210248644A CN102730533A CN 102730533 A CN102730533 A CN 102730533A CN 2012102486443 A CN2012102486443 A CN 2012102486443A CN 201210248644 A CN201210248644 A CN 201210248644A CN 102730533 A CN102730533 A CN 102730533A
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- moving sidewalk
- reducer
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Abstract
The invention discloses an improved escalator or moving sidewalk which comprises movable stairs or movable pedals, a truss, a driving spindle and a driving host including a brake, a driving motor and a transmission speed reducer, wherein the transmission speed reducer consists of three shafts which are sequentially connected and include a first shaft coaxially connected with the rotating shaft of the driving motor, a second shaft parallel to the first shaft and a third shaft vertical to the second shaft and coaxially connected with the driving spindle; and the driving host is provided with more than two brake connectors which are respectively arranged at the corresponding positions of the rotating shaft of the driving motor as well as the first shaft or the second shaft of the transmission speed reducer, and the brake is at least arranged at one brake connector corresponding to the first shaft or the second shaft of the transmission speed reducer. The improved escalator or moving sidewalk is compact in structure and small in occupied area, can be equipped with one or more brakes as required, improves the safety and application range of the driving host, and can be directly used for lifting the improved escalator or moving sidewalk with height larger than 6m, without the need of considering additional brakes.
Description
Technical field
The present invention relates to escalator or moving sidewalk field.
Background technology
The actuating device of tradition escalator or moving sidewalk comprises compositions such as driving main shaft (main drive shaft heart A5), driving host, driving chain, main drive sprocket A4, staircase and girder A3; As shown in Figure 1; Wherein the speed reduction gearing in the driving host is made up of turbine and worm retarder A1 and secondary chain wheel driving mechanism A2; Exist driving efficiency low, chain-driving can not keep instantaneous transmission ratio constant when causing work noise big, comfort is poor.Especially when chain fracture or loose or dislocation, drg loses the control to escalator or moving sidewalk, has potential safety hazard.The required lubricating oil of chain-driving process that exposes is dropped in the truss, becomes the potential source of fire or environmental pollution.Overcome above-mentioned shortcoming; The applicant has invented a kind of Power Drive Unit (Chinese patent ZL201120144028.4) that adopts gear transmission mode, has chain drive mechanism to have compact conformation, high, energy-conservation, the stable drive characteristics of driving efficiency than traditional staircase.But it is on the transmission of power direction, and drg places before the coupler, in case coupler lost efficacy, existence can't the stop escalator or the risk of moving sidewalk.
Escalator is to be used for manned special equipment, and device ' is had specific (special) requirements, should not occur " sudden stop " phenomenon during like shutdown.(, require the deceleration/decel in the normal stop process to be not more than 1m/s like standard GB 16899-2011
2) for the escalator or the moving sidewalk of variant specification; Unloaded brake load difference is little; But the fully loaded brake load and the hoisting depth of escalator or the length of moving sidewalk are taken advantage of direct ratio; Promptly high more staircase (or long more footway), just as the big more automobile of rated load, its fully loaded with unloaded brake load gap is big more.Will satisfy zero load and fully loaded stop process stopping distance and deceleration/decel requirement simultaneously, effective method is suitably to increase the rotor inertia of actuating device and the lock torque of stop mechanism.
Based on security doctrine, standard GB 16899 regulation hoisting depths surpass 6 meters escalator, must be equipped with additional brake, if promptly staircase place floor surpasses 6 meters, this staircase has two cover brake equipments at least.Same, the applicant's Chinese patent ZL201120144028.4 must be equipped with additional brake just can be applied to hoisting depth above on 6 meters the escalator.As the special-purpose actuating device of escalator or moving sidewalk, the characteristics of stop mechanism directly influence its result of use and field of application.
Summary of the invention
For solving the problems of the technologies described above; The object of the invention provides a kind of improved escalator or moving sidewalk; Its driving host itself can be equipped with one or more drgs as required, directly is used for hoisting depth greater than 6 meters escalator or moving sidewalk and need not to consider in addition additional brake.
The objective of the invention is to realize like this: a kind of improved escalator or moving sidewalk; Comprise movable step or Active foot plate, truss, driving main shaft, contain the driving host of drg, drive motor and gearing speed-reducer; It is characterized in that: said gearing speed-reducer comprises three axles that connect interlock successively: with the coaxial bonded assembly primary shaft of drive motor rotating shaft; Parallel with primary shaft second, vertical with second and with the coaxial bonded assembly third axle of driving main shaft; Described driving host has plural drg interface; Be located at drive motor rotating shaft, gearing speed-reducer primary shaft or second correspondence position respectively, and at gearing speed-reducer primary shaft or second cooresponding one of them drg interface drg be installed at least.
Said drg interface is located at the rear end of drive motor rotating shaft, the front end or the rear end of primary shaft, or the position of second front end.
Described drg is plate disc brake or block brake.
When described drg adopted plate disc brake, the movable parts of drg was fixed on front end or the primary shaft rear end and the locking of second of gearing speed-reducer, and the not dynamic component of drg is fixed on the casing of gearing speed-reducer; When described drg adopted block brake, brake wheel was fixed on gearing speed-reducer primary shaft front end, and drg is fixed on the gap bridge adapter sleeve that connects primary shaft and drive motor.
Described gearing speed-reducer is double reduction or three grades of decelerations; Wherein three grades when slowing down; On second, have additional a planet speed reduction gearing; Three grades of decelerations are respectively primary gear speed reducing, secondary planet deceleration and tertiary gear slows down, and the output shaft of primary gear speed reducing is the sun wheel shaft that secondary planet is slowed down; Perhaps, on primary shaft, have additional a planet speed reduction gearing, three grades of decelerations are respectively one-level planetary reduction gear, secondary gear deceleration and tertiary gear and slow down.
L-shaped or the anti-L type of described gearing speed-reducer monnolithic case, primary shaft leave the length on truss limit greater than second wheelbase apart from the length on the truss limit of escalator or moving sidewalk.
L-shaped or the anti-L type of described gearing speed-reducer monnolithic case; Comprise three parts that can break: first casing that holds primary shaft and second leading portion part; The back segment part of holding second is combined as second casing with third axle, connects the transit bridges of first casing and second casing.
Described gearing speed-reducer primary shaft and drive motor are coaxial, on this axis inertial flywheel are arranged, and this inertial flywheel is the motor flywheel, simultaneously as the setting stick wheel.
Described driving host is installed on the truss of escalator or moving sidewalk through the main frame mounting seat.
The gearing speed-reducer output shaft of the direct coaxial connection driving host of driving main shaft one end, the other end is installed on the staircase and girder through spindle bearing holder; Perhaps, the driving main shaft two ends respectively with coaxial connection of gearing speed-reducer output shaft of two driving host, form the two-shipper drive configuration.
Escalator of the present invention or moving sidewalk; Compact conformation; Floor area is little, and driving host is suitable for the side that is installed in stair step, can be equipped with one or more drgs as required through structure Design being made it; Improve driving host safety and range of use, can directly be used for hoisting depth and need not to consider in addition additional brake greater than 6 meters escalator or moving sidewalk.
Description of drawings
Fig. 1 is a driving device structure scheme drawing in the prior art;
Fig. 2 is the structural representation of the embodiment of the invention 1 driving host;
Fig. 3 is the scheme of installation (unit driving) of the embodiment of the invention 1;
Fig. 4 is the scheme of installation (two-shipper driving) of the embodiment of the invention 1;
Fig. 5 is that the C of Fig. 4 is to partial schematic diagram;
Fig. 6 is A-A cutaway view of Fig. 3;
Fig. 7 is the scheme of installation (unit driving) of the embodiment of the invention 2;
Fig. 8 is the scheme of installation (unit driving) of the embodiment of the invention 3;
Fig. 9 is the B-B cutaway view of Fig. 8;
Figure 10 is the structural representation of the embodiment of the invention 4 driving host;
Figure 11 is the transmission principle figure of the embodiment of the invention 1;
Figure 12 is the transmission principle figure of the embodiment of the invention 2;
Figure 13 is the transmission principle figure of the embodiment of the invention 5.
The specific embodiment
Shown in Fig. 2 ~ 6, present embodiment is a kind of improved escalator or moving sidewalk, comprises movable step or Active foot plate, truss 30, driving main shaft 1, driving host.Driving host is contained on the staircase and girder 30 through main frame mounting seat 70, comprises drive motor 8, gearing speed-reducer 6 and drg 3 three parts.
As shown in Figure 3, being installed in has step driving chain sprocket 59, a handrail driving chain wheel 60 on the driving main shaft 1.Driving host is installed on the staircase and girder 30 through main frame mounting seat 70.The reducer output shaft of the direct coaxial connection driving host of driving main shaft 1 one ends (being third axle 2), the other end is contained on the staircase and girder 30 through spindle bearing holder 61.Perhaps, driving main shaft 1 two ends are connected with the reducer output shaft (being third axle 2) of two driving host respectively, form two-shipper drive configuration as shown in Figure 4.
Because the improvement of structure, described driving host include plural drg interface and can be used for installing drg.Gearing speed-reducer 6 comprises three axles that connect interlock successively: with drive motor 8 rotating shafts 45 coaxial bonded assembly primary shafies 29, parallel with primary shaft 29 second 5, vertical with second 5 and with driving main shaft 1 coaxial bonded assembly third axle 2.The drg interface is located at drive motor 8 rotating shafts 45, primary shaft 29 or second 5 relevant position, and one of them drg interface of primary shaft 29 or second 5 correspondence position is equipped with drg.Primary shaft 29 is coaxial with drive motor 8 rotating shafts 45, and rotating speed is the highest.Primary shaft 29 through gear transmission with transmission of power to the second spools 5.Pass through finishing bevel gear cuter for second 5 with transmission of power to third axle 2, third axle 2 and staircase driving main shaft 1 conllinear, rotating speed is minimum.Primary shaft 29 ends can be installed coder 28 as required, and this coder 28 is fixedly mounted on primary shaft 29 ends through coder installation shaft 26.Since coder installation shaft 26 and primary shaft 29 both for dividing body structure, it is removable therefore connecting, thereby is convenient for changing the coder 28 of different model.
The flywheel 55 and the rotor 58 of drive motor 8 are installed on the machine shaft 45, and this flywheel 55 also can be used as manual jigger wheel and uses.The outer ring of two antifriction-bearing boxs 44,52 on the machine shaft 45 is separately fixed on the bearing position of motor front end cover 43 and back end cover for motor 56.Permanent magnet 49 is fixed on the rotor 58 through fix screw 48.Drive motor 8 and gearing speed-reducer 6 are coaxial docking it through the outer stopper of reduction case seam and motor front end cover 43, use gap bridge coupling sleeve 41 to connect, and fastening with tie bolt 72.Drive motor 8 arrives retarder 6 primary shafies 29 through coupler 40 with transmission of power.Preferably, coupler 40 is an elastic coupling.This connection mode not only can the automatic compensation drive motor 8 with gearing speed-reducer 6 assembly errors, and both can be separated fully, be convenient to separately it safeguarded respectively.
In the present embodiment, as shown in Figure 2, drg 3 adopts plate disc brake, is installed in second 5 front end.This plate disc brake comprises drg not dynamic component 18, drg movable parts 19 etc., and drg movable parts 19 is fixed on second 5 front end (being sun wheel shaft 25 elongated ends) through flat key 21, and with jam nut 20 lockings.Drg not dynamic component 18 is fixed on gearing speed-reducer 6 first casings 7 through tie bolt 17.At second 5 front end dress drg 3, all by gear and axle direct connection, the stop reliability is high between drg 3 and the operating mechanism (being driving main shaft 1).Drg adopts plate disc brake to be installed in first casing, 7 rear ends, can reduce the design cost of drive motor, coupler.
Generally, the n axle of gearing speed-reducer 6 can be realized the deceleration of (n-1) level, can also realize the deceleration of n level among the present invention, to satisfy various different staircase needs.When motor speed is big, preferably use three grades of decelerations; When motor speed hour, preferably use double reduction.Motor adopts asynchronous dynamo or synchronous dynamo.Slow-revving asynchronous dynamo cost of manufacture is very high, so asynchronous dynamo generally is high-revolving; Synchronous dynamo changes rotating speed through frequency conversion easily, realizes slow speed of revolution easily.
6 grades of asynchronous dynamos that staircase is commonly used in the present embodiment are under the power supply of 50Hz, and rotating speed is about 960 rev/mins, and the rotating speed of driving main shaft is generally 14 rev/mins, and total reduction gear ratio is 960/14=68.6.Because single gear transmission reduction ratio generally is no more than 8 (mainly considering tooling cost and loss in efficiency), therefore preferred three grades of decelerations, for example adoptable three grades of reduction ratios are 3.4,4 and 5.In the present embodiment; When gearing speed-reducer is three grades of decelerations; On second 5, have additional a planet speed reduction gearing 10 (transmission principle is seen Figure 11), three grades of decelerations are respectively that primary gear speed reducing, secondary planetary gear slow down, three grades of awl tooth communtation decelerations, primary gear speed reducing and secondary planetary gear shared first casing 7 that slows down; The output shaft of primary gear speed reducing is the sun wheel shaft 23 that secondary planet is slowed down, and the outer ring of the front bearing 24 of sun wheel shaft 23 is installed on the bearing position of planet case lid 11.
L-shaped or the anti-L types of gearing speed-reducer 6 monnolithic cases (like Fig. 4) are positioned at outside the operation profile 31 of movable step or Active foot plate.Install back gearing speed-reducer 6 primary shafies 29 apart from the length at truss 30 edges of escalator or moving sidewalk greater than second 5 length apart from truss 30 edges.Because the reasonable Arrangement of 6 three axis of gearing speed-reducer; Make gearing speed-reducer 6 profiles be L type or anti-L type; Expensive real estate between ingenious use truss 30 of ability and the step; And will need the part (for example drg 3, rotary encoder 28, manual jigger wheel (being flywheel 55) etc.) of often maintenance or adjustment to place the outside, be convenient to daily attention.On-the-spot for ease of using to product maintenance maintenance convenience; Gearing speed-reducer 6 comprises three parts that can break: first casing 7 that holds primary shaft 29 and second 5 leading portion part; Hold second 5 back segment part and second casing 4 of third axle 2, connect the transit bridges 9 of first casing 7 and second casing 4.Can partial installation between the parts such as first casing 7 of drive motor 8, gearing speed-reducer 6, second casing 4 among the present invention, debugging and maintenance; Whole driving device structure is compact, profile is arranged to L type or anti-L type, makes full use of space between truss and the stepped system.
The staircase hoisting depth is high more, and load is big more, and required rotor inertia is big more.The size of expanded motor tumbler (like inertial flywheel) is to increase main frame rotor inertia most effectual way.Aforementioned Chinese patent 201120144028.4 disclosed actuating devices are because inertia wheel shaft (being machine shaft) is less to the distance on truss limit, and under the situation that does not strengthen the truss width, the inertia wheel diameter receives space constraint.If thereby the purpose of inertial flywheel is to make actuating device have the stationarity that bigger rotor inertia is realized the staircase stopping process; The rotor inertia of tumbler and its diameter square proportional, the diameter that therefore strengthens inertial flywheel is the most feasible means that increase inertia.Because the L-shaped or anti-L type of gearing speed-reducer 6 monnolithic cases of the present invention; Primary shaft 29 arrives the distance on truss 30 limits greater than second 5 distance to truss 30 limits; Inertial flywheel (is a motor flywheel 55; Also can be used as simultaneously the setting stick wheel) thus be installed on the primary shaft 29 than the second easier bigger inertia of large scaleization acquisition of realizing; Under the situation that does not increase the truss width, promptly can obtain various rotor inertias, to satisfy variant hoisting depth staircase needs through the diameter that changes inertia wheel.
Whole driving device structure is compact, floor area is little, is suitable for a side that is installed in the stair step sprocket wheel, and under the situation that does not enlarge the truss width, can the maximization of drive motor rotor inertia be improved driving host safety and range of use.Owing to reduced the driving device between driving host and the driving main shaft, can reduce top machine room size simultaneously, improve safety, can improve driving efficiency height, the energy-conservation energy again.
As shown in Figure 7, present embodiment is escalator or the moving sidewalk that unit drives.
In the present embodiment, gearing speed-reducer 6 is 3, can realize 2 grades of decelerations.In the present embodiment; Drive motor 8 adopts permagnetic synchronous motor efficiently; Having slow speed of revolution high torque (HT) characteristics, is that 10 grades permagnetic synchronous motor synchronous speed is 600 rev/mins like progression, and the total reduction gear ratio that then needs is 600/14=42.8; The preferred double reduction that adopts, for example adoptable reduction ratio is 6.5 and 6.6.Compare with embodiment 1, on second 5, do not have planetary gear speed reducing mechanism 10, transmission principle is seen Figure 12.
Other structures are with embodiment 1.
Like Fig. 8, shown in 9, present embodiment is escalator or the moving sidewalk that unit drives.Present embodiment adopts single brake structure, and drg 3 ' adopts block brake, is installed in gearing speed-reducer 6 primary shafies 29 front ends, on the gap bridge adapter sleeve 41 that connects gearing speed-reducer 6 and drive motor 8.Brake wheel 13 wherein is fixed on primary shaft 29 front ends after the coupler 40, and is fixed on the retarder primary shaft through key, and brake wheel also is the rear end of coupler 40, reverses through the bolted connection transmission with coupler 40 front ends.Coder 28 is installed in second 5 front end (being sun wheel shaft 25 elongated ends).
Other structure is with embodiment 1.
Shown in figure 10, present embodiment adopts two brake structures, need not the extra additional brake that is provided with applicable to hoisting depth greater than 6 meters escalator or moving sidewalk.
Other structures are with embodiment 1.
Compare with embodiment 1; Planetary gear speed reducing mechanism changes and is located on the primary shaft, and transmission principle is seen Figure 13, can realize three grades of decelerations equally; Be respectively one-level planetary reduction gear, secondary gear deceleration and tertiary gear and slow down, the output shaft of motor is the sun wheel shaft of one-level planetary reduction gear.
Other structures are with embodiment 1.
Claims (10)
1. improved escalator or moving sidewalk; Comprise movable step or Active foot plate, truss, driving main shaft, contain the driving host of drg, drive motor and gearing speed-reducer; It is characterized in that: said gearing speed-reducer comprises three axles that connect interlock successively: with the coaxial bonded assembly primary shaft of drive motor rotating shaft; Parallel with primary shaft second, vertical with second and with the coaxial bonded assembly third axle of driving main shaft; Described driving host has plural drg interface; Be located at drive motor rotating shaft, gearing speed-reducer primary shaft or second correspondence position respectively, and at gearing speed-reducer primary shaft or second cooresponding one of them drg interface drg be installed at least.
2. improved escalator according to claim 1 or moving sidewalk is characterized in that: said drg interface is located at the rear end of drive motor rotating shaft, the front end or the rear end of primary shaft, or the position of second front end.
3. improved escalator according to claim 1 or moving sidewalk is characterized in that: described drg is plate disc brake or block brake.
4. improved escalator according to claim 3 or moving sidewalk; It is characterized in that: when described drg adopts plate disc brake; The movable parts of drg is fixed on front end or the primary shaft rear end and the locking of second of gearing speed-reducer, and the not dynamic component of drg is fixed on the casing of gearing speed-reducer; When described drg adopted block brake, brake wheel was fixed on gearing speed-reducer primary shaft front end, and drg is fixed on the gap bridge adapter sleeve that connects primary shaft and drive motor.
5. improved escalator according to claim 1 or moving sidewalk; It is characterized in that: described gearing speed-reducer is double reduction or three grades of decelerations; Wherein three grades when slowing down; On second, have additional a planet speed reduction gearing, three grades of decelerations are respectively primary gear speed reducing, secondary planet deceleration and tertiary gear slows down, and the output shaft of primary gear speed reducing is the sun wheel shaft that secondary planet is slowed down; Perhaps, on primary shaft, have additional a planet speed reduction gearing, three grades of decelerations are respectively one-level planetary reduction gear, secondary gear deceleration and tertiary gear and slow down.
6. improved escalator according to claim 1 or moving sidewalk; It is characterized in that: the L-shaped or anti-L type of described retarder monnolithic case, retarder primary shaft leave the length on truss limit greater than second wheelbase apart from the length on the truss limit of escalator or moving sidewalk.
7. improved escalator according to claim 1 or moving sidewalk; It is characterized in that: the L-shaped or anti-L type of the monnolithic case of described retarder; Comprise three parts that can break: first casing that holds primary shaft and second leading portion part; The back segment part of holding second is combined as second casing with third axle, connects the transit bridges of first casing and second casing.
8. improved escalator according to claim 1 or moving sidewalk is characterized in that: described gearing speed-reducer primary shaft and drive motor are coaxial, on this axis inertial flywheel are arranged, and this inertial flywheel is the motor flywheel, simultaneously as the setting stick wheel.
9. improved escalator according to claim 1 or moving sidewalk is characterized in that: described driving host is installed on the truss of escalator or moving sidewalk through the main frame mounting seat.
10. improved escalator according to claim 1 or moving sidewalk is characterized in that: the gearing speed-reducer output shaft of the direct coaxial connection driving host of said driving main shaft one end, and the other end is installed on the staircase and girder through spindle bearing holder; Perhaps, the driving main shaft two ends respectively with coaxial connection of gearing speed-reducer output shaft of two driving host, form the two-shipper drive configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248644.3A CN102730533B (en) | 2012-07-18 | 2012-07-18 | Improved escalator or moving sidewalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248644.3A CN102730533B (en) | 2012-07-18 | 2012-07-18 | Improved escalator or moving sidewalk |
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| CN102730533A true CN102730533A (en) | 2012-10-17 |
| CN102730533B CN102730533B (en) | 2014-12-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555684A (en) * | 2014-12-12 | 2015-04-29 | 浙江西子富沃德电机有限公司 | Escalator or moving walk and driving device thereof |
| CN104743432A (en) * | 2015-03-20 | 2015-07-01 | 优耐德电梯有限公司 | Integrated safe driving device |
| KR20180020060A (en) * | 2016-08-17 | 2018-02-27 | 송종태 | A Break Control System For An Dual Motor Escalator |
| CN109987494A (en) * | 2018-01-02 | 2019-07-09 | 杭州菱智电梯科技有限公司 | A kind of driving host of escalator or moving sidewalk |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555684A (en) * | 2014-12-12 | 2015-04-29 | 浙江西子富沃德电机有限公司 | Escalator or moving walk and driving device thereof |
| CN104555684B (en) * | 2014-12-12 | 2017-03-29 | 浙江西子富沃德电机有限公司 | A kind of escalator or moving sidewalk and its driving means |
| CN104743432A (en) * | 2015-03-20 | 2015-07-01 | 优耐德电梯有限公司 | Integrated safe driving device |
| KR20180020060A (en) * | 2016-08-17 | 2018-02-27 | 송종태 | A Break Control System For An Dual Motor Escalator |
| KR101925569B1 (en) * | 2016-08-17 | 2019-02-27 | 송종태 | A Break Control System For An Dual Motor Escalator |
| CN109987494A (en) * | 2018-01-02 | 2019-07-09 | 杭州菱智电梯科技有限公司 | A kind of driving host of escalator or moving sidewalk |
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| Publication number | Publication date |
|---|---|
| CN102730533B (en) | 2014-12-17 |
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