CN208883266U - Passenger conveyors - Google Patents

Passenger conveyors Download PDF

Info

Publication number
CN208883266U
CN208883266U CN201820881240.0U CN201820881240U CN208883266U CN 208883266 U CN208883266 U CN 208883266U CN 201820881240 U CN201820881240 U CN 201820881240U CN 208883266 U CN208883266 U CN 208883266U
Authority
CN
China
Prior art keywords
track
pair
frame element
lateral frame
truss
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.)
Active
Application number
CN201820881240.0U
Other languages
Chinese (zh)
Inventor
横江诚司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Elevator and Building Systems Corp
Original Assignee
Toshiba Elevator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Elevator Co Ltd filed Critical Toshiba Elevator Co Ltd
Application granted granted Critical
Publication of CN208883266U publication Critical patent/CN208883266U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Escalators And Moving Walkways (AREA)

Abstract

A kind of passenger conveyors are provided, for the lubricating oil in the front-wheel step chains of process step, will not be attached in the lateral frame element of truss.It is provided with cover board 112 in the lateral frame element 84 of truss 12,100. cover board 112 of track is by mounting plate 114 before top is provided on the cover board 112, and lean forward inclined plate 116 and the composition of hypsokinesis inclined plate 118.

Description

Passenger conveyors
Technical field
The embodiments of the present invention are related to a kind of passenger conveyors and its manufacturing method.
Background technique
In the passenger conveyors of escalator or moving elevator etc., it is provided with truss.The truss is by multiple upper frame parts Part, bottom shell part, longitudinal frame member and lateral frame element are composed, and supporting track is equipped on these frame parts Component, the track be used for step operation.
Utility model content
The multiple steps for running truss are coated with lubricating oil in this step chains by cyclic annular step chain link.However, the lubrication Oil has a problem that it is transmitted to lateral frame element from the step front-wheel of process, from the lateral frame element, flows to or falls To the step of truss outside or backhaul and it is attached to above.
Therefore, the utility model embodiment is intended to provide a kind of passenger conveyors, wherein being used for the ladder of process step front-wheel Lubricating oil in grade chain, will not be attached in the lateral frame element of truss.
The utility model embodiment is a kind of passenger conveyors, and with truss, the front-rear direction along the truss is run, And by multiple steps of cyclic annular step chain link, the step has pair of right and left front-wheel and pair of right and left rear-wheel, the purlin Frame has pair of right and left upper frame member, pair of right and left bottom shell part and pair of right and left longitudinal frame member and lateral frame Frame component, the inside of the truss, is equipped with along the longitudinal direction, the left and right one of the front-wheel operation of the step for process To track before top, track behind the pair of right and left top of the rear-wheel operation of the step for process, for backhaul Track behind the pair of right and left lower part of the rear-wheel operation of the step, and the front-wheel fortune of the step for backhaul Track before capable pair of right and left lower part, the lateral frame element level are erected between pair of right and left longitudinal frame member, institute Track before top is stated, is arranged in the lateral frame element by cover board, the cover board includes: mounting plate, is located in institute It states before lateral frame element and the top between track;Lean forward inclined plate, extends downwardly from the front end of the mounting plate, and It is extended forwards under;And hypsokinesis inclined plate, it extends downwardly from the rear end of mounting plate and is extended backward under.
Detailed description of the invention
Fig. 1 is the side schematic view of the escalator of the utility model embodiment.
Fig. 2 is the enlarged side view of the sloping portion of truss.
Fig. 3 is provided with the longitdinal cross-section diagram of the truss of lateral frame element.
Fig. 4 is the side view for being provided with the lateral frame element of cover board.
Fig. 5 is the sectional view along the line A-A interception in Fig. 4.
Fig. 6 is the perspective view for being provided with the lateral frame element at the position of cover board.
Fig. 7 is the front view of cover board.
Fig. 8 is the side view of cover board.
Symbol description
10 escalators, 12 truss, 30 steps, 70 oil sumps, on 78 Frame parts, 80 bottom shell parts, 82 longitudinal frame members, 84 lateral frame elements, Track before 100 tops, 112 cover boards, 114 mounting plates, 116 are leaned forward inclined plate, 118 Hypsokinesis inclined plate, 120 vertical plates, 301 front-wheels, 302 rear-wheels.
Specific embodiment
It is illustrated next, with reference to escalator 10 of the Fig. 1 to Fig. 8 to the utility model embodiment.
(1) escalator 10
Structure referring to Fig.1 to escalator 10 is illustrated.Fig. 1 is the explanation for the escalator 10 being seen from the side Figure.
Truss 12 is supported as the frame of escalator 10 by the strut angle 2,3 across the upper and lower of building 1.
Positioned at the inside of the upper layer side computer room 14 of the upper end of truss 12, the driving device run equipped with driving step 30 18, pair of right and left main drive sprocket 24,24, pair of right and left belt sprocket 27,27.Driving device 18 has (different by induction machine Walk motor) composition motor 20, retarder, the output chain gear being installed on the output shaft of this retarder, thus output chain gear drive Dynamic drive chain 22, and so that motor 20 is stopped rotating, and keep it in the disk brake of halted state.Main drive sprocket 24 pass through the drive chain 22 driving rotation.Pair of right and left main drive sprocket 24,24 and pair of right and left belt sprocket 27,27 be not by scheming The connection band connection and synchronous rotary shown.In addition, the inside of upper layer side computer room 14, is equipped with control motor 20 and disk brake etc. Control unit 50.
Positioned at the inside of the lower layer side computer room 16 of the lower end of truss 12, it is equipped with driven sprocket 26.The main driving of upper layer side Between sprocket wheel 24 and the driven sprocket 26 of lower layer side, it is provided with pair of right and left ring-type step chains 28,28.That is, pair of right and left step The front-wheel 301 of multiple steps 30 is equidistantly installed on chain 28,28.The front-wheel 301 of step 30 track 100, lower part before top While preceding track 102 (referring to fig. 2) operation, step 30 is with the recess portion of the peripheral part positioned at main drive sprocket 24 and positioned at driven The recess portion of the peripheral part of sprocket wheel 26 fastens, and is spun upside down.In addition, the rail behind track 200, lower part behind top of rear-wheel 302 Road 202 is run on (referring to Fig. 1 and Fig. 2).
The left and right sides of truss 12 is vertically equipped with pair of right and left skirt guard 44,44 and pair of right and left railing 36,36.Railing 36 Top is equipped with handrail track 39, and handrail 38 is moved along this handrail track 39.It is equipped in the front lower of the upper layer side of railing 36 The front lower of skirt guard 40 before upper layer side, lower layer side is equipped with skirt guard 42 before lower layer side, as handrail 38 The inlet portion 46,48 of entrance is stretched out from front skirt guard 40,42 respectively.Skirt guard 44 is set to the side lower of railing 36, ladder Grade 30 is run between pair of right and left skirt guard 44,44.The medial surface of the skirt guard 44 of upper and lower level be respectively equipped with operator control panel 52, 56, loudspeaker 54,58.
Handrail 38 protrudes into front skirt guard 40 from the inlet portion 46 of upper layer side, by 64 frame of guide roller set in belt sprocket On 27, then, is moved in skirt guard 44 by guide roller set 66, front skirt guard 42 is emerging in by the inlet portion 48 of lower layer side Outside.Then, since belt sprocket 27 and main drive sprocket 24 rotate together, 30 synchronizing moving of handrail 38 and step.This Outside, there is the pressing component 68 of the handrail 38 for pressing operation on the belt sprocket 27 of rotation.
On the stopping port of top surface for being located at upper layer side computer room 14, level is equipped with the lifting board 32 of upper layer side, in the case where being located at On the stopping port of the top surface of layer side computer room 16, level is equipped with the lifting board 34 of lower layer side.The front end of lifting board 32 is equipped with comb teeth-shaped Rubber 60, step 30 are passed in and out or are protruded into from the rubber 60.In addition, also being provided with comb teeth-shaped rubber 62 on lifting board 34.
Upper layer side computer room 14 to the bottom of the truss 12 between lower layer side computer room 16 is equipped with oil sump 70.Oil sump 70 receives The oil (lubricating oil) to drip from main drive sprocket 24, driven sprocket 26, step chains 28, step 30 etc..
(2) truss 12
Firstly, being illustrated referring to figs. 1 to Fig. 3 to truss 12.As shown in Figure 1, truss 12, by the upper water for being equipped with computer room 14 Flat section, the lower horizontal section equipped with computer room 16, and the inclination interval structure between upper horizontal section and lower horizontal section At.In addition, as depicted in figs. 1 and 2, truss 12 is the cuboid being made of multiple frame parts, specifically, by along the longitudinal direction The pair of right and left upper frame member 78,78 of (traffic direction of step 30) configuration, configures the lower frame of pair of right and left thereunder Frame component 80,80 (referring to Fig. 1 and Fig. 2), connect upper frame member 78 and bottom shell part 80 longitudinal frame member 82 (referring to Fig. 1 to Fig. 3), and the lateral frame element 84 (referring to Fig. 3) of connection pair of right and left longitudinal frame member 82,82 are constituted.
Lateral frame element 84 is made of metal, by upper plate 86 and the vertical panel being arranged downward vertically from the side of upper plate 86 88 are constituted, and have l-shaped cross section.The position of lateral frame element 84 is set, the angled section for being provided tiltedly with truss 12 is set Between in.
As shown in figure 3, being provided with track suspension part behind pair of right and left lower part on the vertical panel 88 of lateral frame element 84 90.As shown in Fig. 2, track suspension part 90 is the metal plate of rectangle behind lower part, and its lower end is bent along the longitudinal direction, is formed with Receiver board 92.
As shown in figure 3, in the lower end for the pair of right and left longitudinal frame member 82 for being equipped with lateral frame element 84, setting There is track support portion 94 before lower part.Track support portion 94 is made of metal before the lower part, has l-shaped cross section and towards truss 12 inside, i.e., it is prominent towards step 30.
(3) step 30
Secondly, being illustrated referring to Fig. 2, Fig. 3 to step 30.As shown in Fig. 2, pair of right and left ladder of the step 30 by triangle Grade frame 303,303, is formed in the clamping plate face 304 of the upper surface of this step frame 303, and be formed in step frame 303 The riser face 305 of rear surface is constituted, step frame 303, clamping plate face 304 and riser face 305, by aluminium alloy compression casting formed one it is whole Body.
In the front end of step frame 303, and the lower section in clamping plate face 304 is equipped with pair of right and left front-wheel 301,301.Such as Fig. 3 It is shown, pair of right and left front-wheel 301,301, in the rotary shaft 306 that the front end in step frame 303 rotates freely.In addition, As shown in figure 3, being connected with cyclic annular step chains 28 on front-wheel 301, front-wheel 301 is transported by the mobile driving step 30 of step chains 28 Row.
In the posterior end portion of step frame 303, i.e. the lower section in riser face 305 is equipped with pair of right and left rear-wheel 302,302.
(4) track of step 30
As shown in Fig. 2, to the track that the front-wheel 301 of step 30 is oriented to, by the top in truss 12, along front and back Track 100 before to the top of setting, and the lower part in truss 12, track 102 is constituted before the lower part being arranged along the longitudinal direction.On The use when the front-wheel 301 of step 30 is moved along process of track 100 before portion, track 102 is used when its backhaul is mobile before lower part.
As shown in Fig. 2, to the track that the rear-wheel 302 of step 30 is oriented to, by the top in truss 12, along front and back Track 200 after to the top of setting, and the lower part in truss 12, track 202 is constituted behind the lower part being arranged along the longitudinal direction.On The use when the rear-wheel 302 of step 30 is moved along process of track 200 behind portion, track 202 is used when its backhaul is mobile behind lower part.
As shown in Figure 3 and Figure 4, before top track 100 be general square shape made of metal pipe, front-wheel in order to prevent 301 slip, and the outside on surface is formed along the longitudinal direction on bottom surface equipped with the protection walls 104 extendd in the longitudinal direction on it The sliding slot 106 of extension.
As shown in Figure 3 and Figure 4, behind top track 200 be general square shape made of metal pipe, surface is outer on it Side is vertically equipped with the protection walls 108 for preventing rear-wheel 302 from slipping, forms the sliding slot 110 extended longitudinally on its bottom surface.
As shown in figure 3, track 102 is made of metal before lower part, and there is l-shaped cross section.
As shown in figure 3, track 202 is made of metal behind lower part, and there is l-shaped cross section.
(5) cover board 112
When track 100 is installed to lateral frame element 84 before by top, cover board 112 is inserted into.As shown in Figure 7 and Figure 8, The cover board 112 has mounting plate 114, and lean forward inclined plate 116, hypsokinesis inclined plate 118 and vertical plate 120.Mounting plate 114 is to offer screw thread The rectangular metal plate in hole.The inclined plate 116 that leans forward is extended downward from the front end of mounting plate 114, is extended forwards under.Rear-inclined Plate 118 is extended downwardly from the rear end of mounting plate 114, and is extended backward under.Vertical plate 120 is erected from the side of mounting plate 114, And end is bent outwardly thereon.
(6) mounting structure of track
Installation structure of track is illustrated.As shown in figure 3, as described above, lateral frame element 84 is horizontally arranged at a left side Between right a pair of longitudinal frame member 82,82.
It is illustrated firstly, for by the structure that track 200 is installed to lateral frame element 84 behind top.As shown in figure 4, The inside of track 200 behind top, is inserted with rectangular slide plate 122.Barrel nut portion 124 is prominent from sliding panel 122.The nut The inner circumferential in portion 124 is carved with threaded hole.In addition, nut portions 124 peripheral part be configured with coiled type spring 126, pass through spring 126 press sliding panel 122 behind top on the lower surface of track 200.In the following, being carried out to 2 reasons that this component is arranged Explanation.
The 1st reason is illustrated first.As shown in figure 4, track 200 behind the longer top of front-rear direction is mounted on When in lateral frame element 84, installed using bolt 130.But installation site according to escalator 10 to be mounted and It is different, it is also not possible to which that the bottom surface of track 200 opens up threaded hole in advance behind top.Therefore, behind top on the bottom surface of track 200 Sliding slot 110 is set along the longitudinal direction, sliding panel 122 is inserted into the inside of track 200 behind top.Since sliding panel 122 can be It is moved freely along longitudinal direction in track 200 behind top, sliding panel 122 can be moved to the target position where lateral frame element 84 It sets.Then, by lateral frame element 84 and sliding slot 110, bolt 130 and the threaded hole of nut portions 124 are threadedly engaged Track 200 behind top is fixed in lateral frame element 84.
Secondly the 2nd reason is illustrated.As shown in Fig. 2, due to behind top track 200 in the longitudinal direction it is longer simultaneously And tilted in the inclination interval of truss 12, so cannot consolidate when the inside of track 200 after sliding panel 122 is inserted into top It is scheduled on specific position, the lower end of track 200 behind top can be slided into and is fallen.Therefore, as shown in figure 4, being arranged spring 126 in spiral shell In female portion 124, sliding panel 122 is pressed against on the bottom surface of top rear rail 200 by the thrust of spring 126, even if behind top Track 200 be it is inclined, sliding panel 122 will not slide downwards.
Next, description to be used to for track 100 before top being installed to the structure of lateral frame element 84.As shown in figure 4, Before top in track 100, in the same manner as track 200 behind top, inside be inserted with, with nut portions 124 sliding panel 122 With spring 126.In addition, as shown in figure 4, being configured to form step between track 200 after track 100 before top and top There is inverted U-shaped heightening component 128.In addition, as shown in Figures 4 to 6, the track before the upper surface and top of heightening component 128 The mounting plate 114 of cover board 112 is folded between 100.Then, by bolt 130 from the lower section of the upper plate 86 of lateral frame element 84, It is screwed into the threaded hole of nut portions 124 and tightens, by track 100 before top, cover board 112, heightening component 128 is fixed to transverse frame On the upper plate 86 of component 84.As shown in Figure 5, Figure 6, in this case, the inclined plate 116 that leans forward of cover board 112, is positioned in transverse direction The front of frame parts 84, hypsokinesis inclined plate 118 are positioned in the rear of lateral frame element 84.When installing cover board 112, such as scheme 5, shown in Fig. 6, from its curved upper end of vertical plate 120 that cover board 112 is erect, it is covered in track behind preparatory mounted top The upper end of 200 protection walls 108.
As shown in figure 3, track 202 is fixed on behind pair of right and left lower part on the receiver board 92 of track suspension part 90 behind lower part, Wherein, track suspension part 90 is arranged on the vertical panel 88 of lateral frame element 84 behind the pair of right and left lower part.
As shown in figure 3, track 102 is fixed on the inner end of the upper surface of track support portion 94 before pair of right and left lower part before lower part Portion.
(7) effect of cover board 112
The effect of cover board 112 is illustrated.As shown in fig. 6, as lubricating oil (in Fig. 6 referred to as " oil "), from front-wheel 301 It when with being dripped in step chains 28, drops onto protection walls 104, or is dripped on mounting plate 114 along vertical plate 120, wherein before this Wheel 301 is run on track 100 before top.
As shown in fig. 6, the lubricating oil being dropped on mounting plate 114 is by leaning forward under inclined plate 116 or the arrival of hypsokinesis inclined plate 118 End, then drops on oil sump 70.
As shown in figure 3, due to leaning forward inclined plate 116 and hypsokinesis inclined plate 118 extends along the longitudinal direction to avoid transverse frame portion Part 84 so the lubricating oil of drippage will not be attached in lateral frame element 84, and can be fallen on oil sump 70.
(8) effect
According to the present embodiment, the mounting plate 114 of cover board 112, lean forward inclined plate 116 and hypsokinesis inclined plate 118 are by transverse frame portion Part 84 covers, and leans forward inclined plate 116 and hypsokinesis inclined plate 118 stretches setting respectively, therefore from the front-wheel of process step 30 301 and ladder The lubricating oil of grade chain 28, by mounting plate 114, lean forward inclined plate 116 and the drippage of hypsokinesis inclined plate 118, will not be attached to transverse frame On component 84.Therefore, lubricating oil will not flow to other parts from lateral frame element 84.
Further, since vertical plate 120 is erected from the side of mounting plate 114, therefore from 301 inside of the front-wheel of process step 30 And the lubricating oil of step chains 28, it falls on vertical plate 120, then flows on mounting plate 114, profit can be more reliably prevented from this way Lubricating oil is attached in lateral frame element 84.
(9) variation
In the above-described embodiments, in order to prevent sliding panel 122 before top behind track 100 or top in track 200 downwards Sliding, and it is provided with spring 126, however, sliding panel 122 can also be fixed on predetermined position in other structures.
In addition, the application utility model can also although escalator 10 is illustrated in the above-described embodiments Applied to moving elevator.
Above-mentioned one embodiment to the utility model is illustrated, but the embodiment is only exemplary proposition, and It is not intended to be limited to the scope of the utility model.These novel embodiments can be implemented in other various forms, can not take off In the range of the purport of the utility model, various omissions, replacement and change are carried out.These embodiments and its modification are included in In the scope of the utility model and spirit, while being also included within the utility model described in the claims and its same model In enclosing.

Claims (10)

1. a kind of passenger conveyors comprising:
Truss;
Multiple steps, the front-rear direction along the truss are run, and by cyclic annular step chain link,
The step has pair of right and left front-wheel and pair of right and left rear-wheel,
The truss has pair of right and left upper frame member, pair of right and left bottom shell part and pair of right and left longitudinal framing portion Part and lateral frame element,
It in the inside of the truss, is equipped with along the longitudinal direction, the left and right one of the front-wheel operation of the step for process To track before top, track behind the pair of right and left top of the rear-wheel operation of the step for process, for backhaul Track behind the pair of right and left lower part of the rear-wheel operation of the step, and the front-wheel fortune of the step for backhaul Track before capable pair of right and left lower part, the lateral frame element level are erected between pair of right and left longitudinal frame member,
Track before the top is arranged in the lateral frame element by cover board,
The cover board includes mounting plate, is located in front of the lateral frame element and the top between track;Top rake Plate is extended downwardly from the front end of the mounting plate, and is extended forwards under;And hypsokinesis inclined plate, from mounting plate Rear end extends downwardly and extends backward under.
2. passenger conveyors according to claim 1, which is characterized in that the lateral frame element and the cover board it Between be equipped with heightening component, the lateral frame element, the heightening component, the mounting plate of the cover board and the top front rail Road is integrally fixed by bolt.
3. passenger conveyors according to claim 2, which is characterized in that lateral frame element is arranged in track behind top The inside of track before top is forming step between track after track before the top and the top, wherein before the top Track is increased by the heightening component.
4. passenger conveyors according to claim 3, which is characterized in that vertical plate from the side of the mounting plate of the cover board to Upper setting setting.
5. passenger conveyors according to claim 4, which is characterized in that the upper outside of track behind the top is erected Erect the protection walls for being equipped with and preventing the rear-wheel derailing.
6. passenger conveyors according to claim 5, which is characterized in that the upper end of the vertical plate is bent, and covers institute State the upper end of protection walls.
7. passenger conveyors according to claim 1, which is characterized in that track suspension part is from described behind pair of right and left lower part Lateral frame element hangs down setting, after being respectively equipped with lower part described in pair of right and left on track suspension part behind the pair of right and left lower part Track.
8. passenger conveyors according to claim 1, which is characterized in that track support portion before pair of right and left lower part, from a left side The lower end of right a pair longitudinal frame member protrudes inwardly, and before the pair of right and left lower part on track support portion, sets respectively There is track before lower part described in pair of right and left.
9. passenger conveyors according to claim 1, which is characterized in that the lateral frame element is set to the truss Inclination interval.
10. passenger conveyors according to claim 1, which is characterized in that be equipped with oil sump along the bottom of the truss.
CN201820881240.0U 2017-06-21 2018-06-07 Passenger conveyors Active CN208883266U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-121145 2017-06-21
JP2017121145A JP6363265B1 (en) 2017-06-21 2017-06-21 Passenger conveyor and its manufacturing method

Publications (1)

Publication Number Publication Date
CN208883266U true CN208883266U (en) 2019-05-21

Family

ID=62976552

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820881240.0U Active CN208883266U (en) 2017-06-21 2018-06-07 Passenger conveyors

Country Status (2)

Country Link
JP (1) JP6363265B1 (en)
CN (1) CN208883266U (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006290548A (en) * 2005-04-11 2006-10-26 Hitachi Building Systems Co Ltd Footstep dirt prevention device for passenger conveyor
JP2010047411A (en) * 2008-08-25 2010-03-04 Hitachi Building Systems Co Ltd Passenger conveyor cleaning device
JP4961464B2 (en) * 2009-09-30 2012-06-27 株式会社日立製作所 Passenger conveyor
JP5692659B2 (en) * 2012-03-14 2015-04-01 株式会社日立製作所 Passenger conveyor
JP2014152035A (en) * 2013-02-13 2014-08-25 Hitachi Ltd Conveyor device for passenger
JP2014181101A (en) * 2013-03-19 2014-09-29 Mitsubishi Electric Corp Passenger conveyor
JP2016003083A (en) * 2014-06-13 2016-01-12 株式会社日立ビルシステム Passenger conveyor

Also Published As

Publication number Publication date
JP2019006523A (en) 2019-01-17
JP6363265B1 (en) 2018-07-25

Similar Documents

Publication Publication Date Title
KR20030051810A (en) Step attachment on the step chain of an escalator
CN101712431A (en) Simple hung type elevator
CN208883266U (en) Passenger conveyors
JP2006513947A (en) Passenger conveyor drive machine
CN104627804B (en) Escalator
CN208883263U (en) Passenger conveyors
CN210260811U (en) Passenger conveyor
CN207072751U (en) Passenger conveyors
CN207061614U (en) Passenger conveyors
CN202967835U (en) Anti-skid stair for escalator
CN208883265U (en) Passenger conveyors
CN208883264U (en) Passenger conveyors
CN109367638A (en) In one kind go downstairs handling device
CN209668589U (en) A kind of escalator glass clamping device
CN205061321U (en) Can ensure crashproof elevator of old person's safety
CN103261082B (en) Passenger conveyor and steps for passenger conveyor
CN105129592A (en) Stairway upper part stair dust remover
CN213536963U (en) Escalator with prevent falling down function
US2135188A (en) Moving stairway
CN104627794B (en) Pressing block type car-forerake-prevention device
CN204454191U (en) Pressing block type prevents car cabin to lean forward device
CN203809623U (en) Synchronous pulley device for encoder of cloth spreading machine
CN211310520U (en) Passenger conveyor
CN203740840U (en) Step of passenger conveyer
CN215710993U (en) Escalator handrail and escalator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant