CN100351162C

CN100351162C - Passenger conveying device

Info

Publication number: CN100351162C
Application number: CNB2004100329547A
Authority: CN
Inventors: 宇津宫博文; 小嶋和平; 斋藤忠一
Original assignee: Hitachi Ltd
Current assignee: Hitachi Ltd
Priority date: 2003-05-06
Filing date: 2004-04-19
Publication date: 2007-11-28
Anticipated expiration: 2024-04-19
Also published as: HK1139912A1; CN101157430A; CN1550445A; CN101693497B; HK1113125A1; CN101157430B; JP2004331303A; JP4266128B2; TWI262891B; CN101693497A; TW200426103A

Abstract

The depth of a step board 10 is not more than three times the diameter of a moving wheel 11 journaled to the step board 10. The power is transmitted between a mechanical reduction gear 30 constituting a drive unit 27, and a drive electric motor 29 through a flexible member (36). A power sprocket 26 driven by the drive unit 27, the mechanical reduction gear 30, and the drive electric motor 29 are placed along a frame 3 of the passenger conveyer in the longitudinal direction when viewed horizontally.

Description

Device of passenger conveyor

Technical field

The present invention relates to a kind ofly at the escalator that produces difference of height between the adjacent pedal with between adjacent pedal, do not produce the device of passenger conveyor of the electronic passage etc. of difference of height, relate in particular to a kind of device of passenger conveyor that dwindles the frame height size that is applicable to.

Background technology

Usually, as the structure that the height dimension with the height dimension of device of passenger conveyor, especially framework reduces, for example propose to have the technical scheme of disclosed device of passenger conveyor in patent documentation 1.

That is, in above-mentioned patent documentation 1 in the disclosed device of passenger conveyor, by the speed reduction gearing and the drive motor of transversely arranged formation actuating device, to dwindle the height dimension of whole actuating device.

Patent documentation 1: the Japanese Patent spy opens clear 58-109375 communique (figure five, figure six)

According to above-mentioned prior art, can dwindle the height dimension of actuating device.But, even dwindled the height dimension of actuating device, if but for example drive sprocket and the driven sprocket in the brake steering portion still adopt original size, then can't dwindle the height dimension of the height dimension of device of passenger conveyor, especially framework.

Summary of the invention

The purpose of this invention is to provide a kind of device of passenger conveyor that can dwindle the frame height size.

To achieve these goals, in the present invention, the depth size of pedal is formed axle bearing at below 3 times or 3 times of the road wheel diameter on the pedal, simultaneously via flexible body transferring power between reduction gear apparatus that constitutes actuating device and drive motor, and, from the plane, arrange power chain, reduction gear apparatus and drive motor by above-mentioned actuating device drove along the length direction of device of passenger conveyor framework.

In said structure, by the length direction arrangement along framework is provided with reduction gear apparatus and drive motor from the plane, just needn't can reduce the height dimension of actuating device thus at overlapping reduction gear apparatus and the drive motor of being provided with of above-below direction.

In addition, in said structure, by via flexible body transferring power between reduction gear apparatus and drive motor, like this, even the output shaft center off normal of the input shaft center of reduction gear apparatus and drive motor also can be arranged on one of them of reduction gear apparatus and drive motor in another the altitude range.Thus, the height dimension of actuating device can decide according to the higher side of height dimension in reduction gear apparatus and the drive motor, therefore, can avoid occurring causing because of both height dimension additions the situation of frame height size increase.

In addition, in said structure, form axle bearing at below 3 times or 3 times of the road wheel diameter on the pedal by depth size with pedal, like this, even reduce the diameter of drive sprocket and driven sprocket, also can not occur between the adjacent pedal producing the phenomenon of disturbing when turning to, its result can dwindle the height dimension of brake steering portion.

Therefore, owing to can dwindle the actuating device of decision frame height size and the height dimension of brake steering portion respectively, so can dwindle the height dimension of framework.

Description of drawings

Fig. 1 is the vertically concise and to the point lateral plan of first embodiment of expression device of passenger conveyor of the present invention.

Fig. 2 is near the enlarged drawing of the part of drive sprocket of presentation graphs 1.

Fig. 3 is the framework in-to-in birds-eye view of presentation graphs 1.

The specific embodiment

Following according to Fig. 1～electronic passage explanation first embodiment of the present invention shown in Figure 3.

The electronic passage 2 that is arranged on floor 1 serves as that the basis constitutes with framework 3, and this framework 3 is housed among the pit 1P that is formed at floor 1.This framework 3 has floor, gangway 4A, the 4B that is in sustained height with above-mentioned floor 1 respectively in two ends of its length direction, and the lower shaft of this floor, gangway 4A, 4B is supporting drive sprocket 5 and driven sprocket 6.

Above-mentioned drive sprocket 5 has a pair of interval and is provided with and is fixed on

drive sprocket

5A, 5B on the axle drive shaft 7, and is same, also fixed a pair of above-mentioned driven sprocket 6 on the S. A. 6S.

The two ends of above-mentioned axle drive shaft 7 and S. A. 6S rotatably are bearing on the said frame 3 via bearing 8A, 8B respectively.

The a pair of annular bonded assembly pedal chain 9 of reeling between above-mentioned a pair of

drive sprocket

5A, 5B and above-mentioned a pair of driven sprocket 6, polylith pedal 10 is connected on the pair of pedals chain 9.

As shown in Figure 2, in this pedal 10, axle bearing road wheel 11 on the fixed position of a sidepiece of depth direction, the bearing 12 of the wheel shaft of the pedal road wheel that is used to keep adjacent with another side of depth direction towards adjacent pedal side with the overshooting shape setting.This bearing 12 has parallel with the pedal depth direction and towards the groove of adjacent pedal side opening, the wheel shaft of the road wheel of adjacent pedal is plugged in this groove, and can slide.Above line travelling wheel 11 is by guide rail (not shown) guiding that is arranged in the said frame 3, and circulation is moved between above-mentioned two gangways floor 4A, 4B.In addition, the depth size L of above-mentioned pedal 10 is formed below 3 times or 3 times of diameter Dr of road wheel 11.In addition, be set in below 3 times or 3 times of diameter Dr of road wheel 11 by depth size L with above-mentioned pedal 10, the diameter Ds of above-mentioned drive sprocket 7 and driven sprocket 6 can be formed below 2 times or 2 times of depth size L of above-mentioned pedal 10, more than 2 times or 2 times of height dimension H.

In the said frame 3 relative with the both sides of above-mentioned pedal 10, along the moving direction of pedal 10, be provided with railing 13 in upright mode, moving hand-rail 14 can move at its periphery through the guiding of this railing 13.

This moving hand-rail 14 below above-mentioned railing 13, is driven by handrail driving device 15, and the speed with synchronous with above-mentioned pedal 10 moves in the same direction.Handrail driving device 15 is seized the surface and the back side of above-mentioned moving hand-rail 14 on both sides by the arms by driving rolls 16 and return idler 17 pressurizations.In addition, sprocket wheel 18 is coaxial fixing with driving rolls 16, by the rotation of this sprocket wheel 18, makes driving rolls 16 to rotate towards the mode that vertically moves the extruding of roller 17 sides, drives above-mentioned moving hand-rail 14 with this.

For the sprocket wheel 18 that drives above-mentioned driving rolls 16, be arranged to obtain power from above-mentioned axle drive shaft 7.Promptly, by being arranged on the drive sprocket 5A of above-mentioned axle drive shaft 7, handrail between the 5B drives with power chain 17, the intermediate chain wheel 21 that on pivotally supporting, is provided with than the tween drive shaft 20 of more close handrail driving device 15 sides of above-mentioned axle drive shaft 7, be wound on being connected on these power chains 19 and the intermediate chain wheel 21 with chain 22, the pair of armrests that is arranged on the both ends of above-mentioned tween drive shaft 20 drives uses

sprocket wheel

23A, 23B, and be wound on handrail via a plurality of induction sprockets 24 and drive and use sprocket wheel 23A, driving between the sprocket wheel 18 of 23B and above-mentioned driving rolls 16 is given handrail driving device 15 with chain 25 with the transmission of power of above-mentioned axle drive shaft 7.

On the other hand, as the device that power is provided to axle drive shaft 7, possess the power chain 26 that is fixed on than the more close shaft end side of above-mentioned drive sprocket 5B is arranged, actuating device 27 and the power transmission chain 28 of transferring power between these power chains 26 and actuating device 27.

Above-mentioned actuating device 27 possesses drive motor 29 and speed reduction gearing 30 such as induction motor (IM) etc., and it is fixed on the said frame 3 by common base 31.These drive motors 29 and speed reduction gearing 30 are seen the length direction setting along framework 3 from the plane, and above-mentioned drive motor 29 has flywheel 32 and small sheave 33 on its S. A., and above-mentioned speed reduction gearing 30 has input pulley 34 and output chain gear 35.

In addition, for example 3～4 V-shape belts 36 of between the input pulley 34 of the small sheave 33 of drive motor 29 and speed reduction gearing 30, reeling, be wound on the output chain gear 35 of speed reduction gearing 30 by the power transmission chain 28 that will be wound on the above-mentioned power chain 26, so that the transmission of power of drive motor 29 is given axle drive shaft 7, thereby drive pedal 10 and moving hand-rail 14.

And, in the present embodiment, in order to give speed reduction gearing 30 with the transmission of power of drive motor 29, small sheave 33 and input pulley 34 and V-shape belt 36 have been used, but the present invention is not limited thereto, for example can use as chain and the toothed belt of transmission of power, use sprocket wheel wound thereon and pulley etc. simultaneously with flexible body.

In addition, the vacant place in the framework 3 that is provided with actuating device 27 is built-in with control setup 37, and this control setup 37 is used to control the operation of electronic passage 2.

As mentioned above, according to present embodiment,, arrange drive motor 29 and the speed reduction gearing 30 that is provided with actuating device 27 along the length direction of framework 3 to see nonoverlapping mode from the plane, therefore the height dimension of actuating device 27 can be reduced, the height dimension of framework 3 can be reduced.

In addition, in the prior art, also exist seeing that from the plane nonoverlapping mode is provided with drive motor 29 and speed reduction gearing 30, and connect the input shaft of the S. A. of drive motor 29 and speed reduction gearing 30 or make its incorporate technology.But, above-mentioned drive motor 29 is different with shape because of its capacity with above-mentioned speed reduction gearing 30, and the position of the short transverse of its S. A. and input shaft can produce very big difference, so, those axles are connected or integrated after, the height dimension of actuating device 27 is increased.Promptly, as shown in Figure 1, the input shaft of the speed reduction gearing 30 that the S. A. (small sheave 33 parts) of aspect ratio drive motor 29 is lower (input pulley 34 parts) connects or when making it integrated, flywheel 32 as the accessory of drive motor 29, to be in the position of the flywheel 32S shown in long and two-short dash line, thereby protrude in the below of framework 3.In order to solve distinct issues, drive motor 29 and speed reduction gearing 30 must be bearing in respectively on the independent pedestal, and be fixed in the framework 3, and can make the setting of actuating device 27 in framework 3 become complicated like this, need pay a large amount of labours.

Therefore, as present embodiment, adopt and to see that from the plane nonoverlapping mode is provided with drive motor 29 and speed reduction gearing 30, and it is very important to carry out the transmission of power by flexible body.

And, make the input pulley 34 of the small sheave 33 of drive motor 29 and speed reduction gearing 30 and output chain gear 35 towards power chain 26 sides, and will reel thereon as the power transmission chain 28 and the V-shape belt 36 of flexible body, therefore, the rotating part of drive motor 29 and speed reduction gearing 30 all is positioned at the end side of the Width of framework 3, and its result is when the maintenance operation, because the operating personnel must not contact rotating part, thus the safety when having improved maintenance.

In addition, by adopting the structure of present embodiment, also can between drive motor 29 and speed reduction gearing 30, constitute speed reduction gearing, its result, cooperate with speed reduction gearing 30, can obtain more accurate reduction ratio, also can realize the miniaturization of speed reduction gearing 30 simultaneously.

In the above-described embodiments, as device of passenger conveyor, be that example is illustrated with electronic passage, self-evident, the present invention also can be suitable for escalator.

That is, in escalator,, like this, promptly allow to dwindle the height dimension of actuating device, also can't accomplish to dwindle the height dimension of framework if adopt drive sprocket and driven sprocket same as the prior art in the step turning part.

Therefore, in escalator, by as above-mentioned embodiment, when speed reduction gearing and drive motor are set, make the motion track of axle bearing when the step of the road wheel of the epimere side of step turns to be positioned at the outer circumferential side of drive sprocket and driven sprocket, and the diameter that makes these drive sprockets and driven sprocket forms below 2 times or 2 times of step depth size, and more than 2 times or 2 times of rise size, can dwindle the height dimension of the framework of step turning part.

(effect of invention)

As mentioned above, adopt the present invention, can obtain to dwindle passenger's transmission of frame height size Device.

Claims

1. A passenger conveying device comprising: a frame provided with an entrance/exit floor at both ends of the longitudinal direction, a pair of drive sprockets arranged at one end of the longitudinal direction in the frame, and another pair of drive sprockets arranged in the longitudinal direction of the frame. A pair of driven sprockets at one end, a pedal chain wound between the driving sprocket and the driven sprocket, a plurality of pedals connected to the pedal chain, traveling wheels arranged on these pedals, and a driving wheel for driving A power applying mechanism of a power sprocket coaxial with the above-mentioned drive sprocket; the power applying mechanism has a reduction gear and a driving motor, and is characterized in that,

The depth dimension of the above-mentioned pedal is formed to be three times or less than the diameter of the above-mentioned running wheel, and the power from the above-mentioned driving motor is transmitted to the speed reduction device through a flexible body, and the above-mentioned power sprocket, speed reduction device, and driving motor are along the The frames are arranged lengthwise and arranged in such a way that their vertical projections do not overlap.

2. The passenger conveyor of claim 1, wherein:

The above-mentioned power application mechanism has a first speed reduction device and a driving motor provided on a common base, and a second speed reduction device is provided between the first speed reduction device and the driving motor, and the power sprocket, the first It is installed so that the vertical projection of the second reduction gear and the driving motor does not overlap.

3. The passenger conveying device according to claim 1 or 2, wherein the diameter of the driving sprocket is formed to be twice or less than the depth dimension of the pedal, and is twice or twice the height dimension of the pedal above.

4. A passenger conveyor, comprising: a frame provided with an entrance/exit floor at both ends of the length direction, a pair of driving sprockets arranged at one end of the length direction in the frame, and another pair of drive sprockets arranged in the length direction of the frame. A pair of driven sprockets at one end, a pedal chain wound between the driving sprocket and the driven sprocket, a plurality of pedals connected to the pedal chain, traveling wheels arranged on these pedals, and a A power application mechanism for driving a power sprocket coaxial with the drive sprocket, the power application mechanism has a reduction gear and a driving motor, and is characterized in that

The diameter of the above-mentioned driving sprocket is formed to be twice or less than the depth dimension of the above-mentioned pedal, and to be twice or more than twice the height dimension of the pedal, and the power from the above-mentioned driving motor is transmitted to the decelerator via a flexible body. device, and the above-mentioned power sprocket, deceleration device and driving motor are arranged along the length direction of the frame, and are arranged in such a way that their vertical projections do not overlap.

5. A passenger conveying device, comprising: a frame provided with an entrance/exit floor at both ends of the length direction, a pair of driving sprockets arranged at one end of the length direction in the frame, and the other end of the length direction arranged in the above-mentioned frame. A pair of driven sprockets at one end, a pedal chain wound between the driving sprocket and the driven sprocket, a plurality of pedals connected to the pedal chain, traveling wheels arranged on these pedals, and a A power applying mechanism that drives a power sprocket coaxial with the drive sprocket, wherein

The diameter of the above-mentioned driving sprocket is formed to be twice or less than the depth dimension of the above-mentioned pedal, and is twice or more than twice the height dimension of the pedal, and the above-mentioned power applying mechanism has a first The speed reduction device and the driving motor are provided with the second speed reduction device between the first speed reduction device and the driving motor, and the above-mentioned power sprocket, the first and second speed reduction devices and the driving motor are arranged along the length direction of the frame , and are set in such a way that their vertical projections do not overlap.

6. The passenger conveyor according to any one of claims 1, 4, and 5, wherein the power transmission position between the drive sprocket and the reduction gear, and the position between the drive sprocket and the driving motor The power transmission position between is provided on the side frame side of the frame above.