CN209337938U - Escalator or moving sidewalk handrails drive chain chain breakage protection device - Google Patents
Escalator or moving sidewalk handrails drive chain chain breakage protection device Download PDFInfo
- Publication number
- CN209337938U CN209337938U CN201822101847.5U CN201822101847U CN209337938U CN 209337938 U CN209337938 U CN 209337938U CN 201822101847 U CN201822101847 U CN 201822101847U CN 209337938 U CN209337938 U CN 209337938U
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- China
- Prior art keywords
- chain
- handrail driving
- protection device
- driving chain
- safety switch
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Abstract
The utility model discloses a kind of escalator or moving sidewalk handrails drive chain chain breakage protection devices, handrail driving chain chain breakage protection device is set to the lower section of handrail driving chain, including safety switch and the swing rod being set to above safety switch, the one end of swing rod extends to the lower section of the handrail driving chain, the other end of swing rod and safety switch are rotatablely connected by a shaft, when handrail driving chain operates normally, handrail driving chain is mutually separated with swing rod and shaft is mutually separated with safety switch, in handrail driving chain chain rupture or excessively elongation, handrail driving chain falls downwards under the effect of gravity and is in contact with swing rod, swing rod rotates down around the shaft drives shaft rotation to stop terraced signal to trigger safety switch sending.The escalator or moving sidewalk handrails drive chain chain breakage protection device of the utility model can then trigger safety switch movement once chain rupture or excessively elongation occur for handrail driving chain, and sending stops terraced signal, guarantee boarding safety.
Description
Technical field
The utility model relates to escalator or moving sidewalk technical fields, and in particular to escalator or from moving row
Road handrail driving chain chain breakage protection device.
Background technique
Currently, escalator and moving sidewalk are widely used in the ground such as shopping mall, airport, railway station and subway
Side, working strength is high, environment is poor or maintenance is not in place, and escalator or moving sidewalk are helped during long-play
Hand-drive chain may will cause safety very serious there is a situation where chain rupture or excessively elongation because of service failure or surprisingly
Accident.
Summary of the invention
In view of this, in order to overcome the drawbacks of the prior art, the purpose of the utility model is to provide a kind of escalator or
Moving sidewalk handrails drive chain chain breakage protection device, the feelings that the chain rupture of handrail driving chain can be detected in time or excessively extended
Condition protects passenger safety, reduces the generation of safety accident.
In order to achieve the above object, the following technical solution is employed for the utility model:
A kind of escalator or moving sidewalk handrails drive chain chain breakage protection device, the handrail driving chain chain rupture protection
Device is set to the lower section of handrail driving chain, described including safety switch and the swing rod being set to above the safety switch
The one end of swing rod extends to the lower section of the handrail driving chain, and the other end of the swing rod and the safety switch pass through one
Shaft rotation connection, when handrail driving chain operates normally, handrail driving chain is mutually separated with the swing rod and the shaft and institute
It states safety switch mutually to separate, in handrail driving chain chain rupture or excessively elongation, the handrail driving chain is downward under the effect of gravity
It falls and is in contact with the swing rod, the swing rod drives the shaft rotation described to trigger around the pivoted downward
Safety switch sending stops terraced signal.
In above-mentioned technical proposal, it is preferable that the handrail driving chain chain breakage protection device is installed on truss.
In above-mentioned technical proposal, it is further preferred that the handrail driving chain protective device is fixed by a switch bracket
On truss.
In above-mentioned technical proposal, it is further preferred that the bottom of the switch bracket is fixed on by the first fastener
On truss.
In above-mentioned technical proposal, still further preferably, the first elasticity is provided between first fastener and truss
Part.By the way that the first elastic component is arranged, the effect of damping can be played, protects safety switch.
In above-mentioned technical proposal, it is preferable that the safety switch of the handrail driving chain protective device passes through the second fastener
It is fixed on the switch bracket.
In above-mentioned technical proposal, it is further preferred that the second bullet is arranged between the safety switch and the switch bracket
Property part.By the way that the second elastic component is arranged between safety switch and switch bracket, the effect of damping is played, from lateral protection safety
Switch.
In above-mentioned technical proposal, the first elastic component and the second elastic component are chosen as spring washer, the first fastener and second
Fastener is chosen as bolt and nut component.
In above-mentioned technical proposal, it is preferable that the switch bracket be a L-shaped bending part, the bending part include with
The horizontal part that truss connects and the vertical portion for installing the safety switch.Safety switch is L-shaped bending part, and is had
There are horizontal part and vertical portion, it, on the one hand can be by horizontal part by switch bracket in conjunction with the first fastener and the second fastener
It is stably fixed on truss, on the other hand safety open can be fixed on switch bracket.
In above-mentioned technical proposal, offer it is further preferred that extending along direction on the vertical portion for adjusting
State the mounting groove of safety switch installation site.Mounting groove is opened up by extending along direction on the vertical portion of switch bracket, it can
To adjust the distance between swing rod and handrail driving chain according to the actual situation, mounting groove can be waist round hole.
In above-mentioned technical proposal, it is preferable that when handrail driving chain operates normally, the swing rod and the handrail driving chain
The distance between be 25 ~ 30mm.
Compared with prior art, the escalator for having the beneficial effect that the utility model of the utility model or from moving
Trade handrail driving chain chain breakage protection device, once chain rupture or excessively elongation occur for handrail driving chain, then the handrail driving disconnected
Under chain can fall or swing downwards due to gravity, swing rod is encountered, one end of swing rod, which moves downward, drives shaft rotation to safety
Switch motion, sending stop terraced signal, escalator or moving sidewalk are made to stop in time, protect passenger safety, and pass through event
Hinder display and quotes failure, so as to the maintenance of maintenance personal's specific aim, after maintenance is good, event can be eliminated by needing maintenance personal's hand-reset
Barrier.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Front view when attached drawing 1 is the handrail driving of embodiment one；
Attached drawing 2 is the B-B cross-sectional view in Fig. 1；
Attached drawing 3 is the enlarged drawing in attached drawing 2 at A；
Front view when attached drawing 4 is the handrail driving of embodiment two；
Attached drawing 5 is the enlarged drawing in attached drawing 4 at C；
Attached drawing 6 is the side view of attached drawing 5；
Attached drawing 7 is the enlarged drawing in attached drawing 6 at D；
Attached drawing 8 is that the lower part of embodiment three carries front view when the wheeled handrail in motor end drives；
Attached drawing 9 is the enlarged drawing in attached drawing in 8 at E；
In attached drawing: 1, handrail driving chain；2, handrail driving chain chain breakage protection device；3, translot steel；4, switch bracket；5, pacify
Full switch；6, swing rod；7, shaft；8, installation sheet；9, connector；100, truss；2 ', handrail driving chain chain breakage protection device；4',
Switch bracket；5 ', safety switch；6 ', swing rod；7 ', shaft；8 ', installation sheet；9 ', connector；15 ', handrail driving chain；16',
Chain stretching device；17 ', armrest end part driving wheel；18 ', upper end guard chain driving wheel；5 ", safety switch；2 ", handrail drives
Chain chain breakage protection device；6 ", swing rod；7 ", shaft；8 ", installation sheet；9 ", connector；15 ", handrail driving chain；17 ", handrail end
Portion's driving wheel；19 ", small machine drive sprocket；20 ", lower end drives small machine.
Specific embodiment
It is practical below in conjunction with this in order to make those skilled in the art more fully understand the technical solution of the utility model
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that institute
The embodiment of description is only the embodiment of the utility model a part, instead of all the embodiments.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in example.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, device, product or equipment
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
The intrinsic other step or units of method, product or equipment.
Hand strap driving device common are friction wheel drive, end driving, and friction wheel type hand strap driving device is to adopt
The driving wheel of major diameter in guide track system and the friction wheel drive of handrail interband can generate larger because its structure is simple
Friction drive, it is standby to be widely used in the non-heavy-load type public traffic type staircase of common escalator and moving sidewalk and part；
End drive-type handrail device is to use the driving wheel for being mounted on handrail end, because its driving force is big, stable and dimension
Shield speed regulation is convenient, is applied to heavy-load type public traffic type escalator more.
Embodiment one
Referring to Fig. 1 and Fig. 2, the handrail driving chain chain breakage protection device 2 of a kind of escalator, is mounted on and is set to truss
On translot steel 3 on 100, and handrail driving chain chain breakage protection device 2 is located at the lower section of handrail driving chain 1.
Referring to Fig. 3, handrail driving chain chain breakage protection device 2 includes safety switch 5 and the pendulum for being set to 5 top of safety switch
Bar 6, for the one end part of swing rod 6 in the lower section of handrail driving chain 1, the other end and the safety switch 5 of swing rod 6 pass through 7 phase of shaft
Rotation connection.Specifically, the end that swing rod 6 is connected with safety switch 5 is first fixed by bolts on installation sheet 8, installation sheet 8 with
A connection piece 9 is fixedly connected, and connector 9 is fixed on the periphery of shaft 7 by a bolt, and connector 9 can be coaxial turn with shaft 7
It is dynamic.
Switch bracket 4 is installed, switch bracket 4 is L-shaped bending part, and bending part includes and translot steel 3 on translot steel 3
The horizontal part of connection and vertical portion for installing safety switch 5, the horizontal part of switch bracket 4 offer 1 circular hole, translot
One aperture of lower surface tapping of steel 3, with the circular hole handle of 4 horizontal part of aperture and switch bracket of screw bolt passes translot steel 3
Switch bracket 4 is fixed on translot steel 3, and the first spring washer and the first plain washer are provided between translot steel 3 and bolt, from
And play the role of bumper and absorbing shock.Direction is extended along on the vertical portion of switch bracket 4 and is offered pacifies for adjusting safety switch 5
The mounting groove of holding position, needs according to the actual situation, and safety switch 5, which is fixed by screws on the vertical portion of switch bracket 4, pacifies
On any position of tankage, to adjust the distance between swing rod 6 and handrail driving chain 1, mounting groove can be waist round hole.Safety open
Close and 5 be additionally provided with second spring washer and the second plain washer between switch bracket 4 during installation, equally play bumper and absorbing shock,
From the effect of lateral protection safety switch 5.
When handrail driving chain 1 operates normally, handrail driving chain 1 is separated with 6 phase of swing rod and shaft 7 and 5 phase of safety switch
Separation, the distance between swing rod 6 and handrail driving chain 1 are 30mm, and in 1 chain rupture of handrail driving chain or excessively elongation, handrail is driven
Dynamic chain 1 falls downwards under the effect of gravity and is in contact with swing rod 6, and the one end of swing rod 6 far from safety switch 5 is around the shaft 7 downwards
Rotation band follower link 9 rotates that the rotation of shaft 7 is driven to stop terraced signal to trigger the sending of safety switch 5, protects passenger safety.
After this device is installed, can effectively it prevent because of security risk brought by handrail driving chain chain rupture or excessive elongation,
Safety in operation, the stability for improving escalator or moving sidewalk avoid occurring because of handrail driving chain chain rupture or excessively stretching
It is long and caused by safety accident.
Embodiment two
Referring to fig. 4, handrail driving chain 15 ' drives fortune by armrest end part driving wheel 17 ' and upper end guard chain driving wheel 18 '
It goes, is additionally provided with chain stretching device 16 ' in handrail chain drive system.Handrail driving chain chain breakage protection device 2 ', is mounted on and sets
It is placed on truss 100 ', and handrail driving chain chain breakage protection device 2 ' is located at the lower section of handrail driving chain 15 '.It is such by handrail end
The staircase form of portion's drive wheel handrail driving chain, is usually used in the public traffic type escalators such as subway escalator.
Referring to Fig. 5 ~ Fig. 7, handrail driving chain chain breakage protection device 2 ' includes safety switch 5 ' and is set to safety switch 5 '
The swing rod 6 ' of top, the one end part of swing rod 6 ' is in the lower section of handrail driving chain 15 ', the other end of swing rod 6 ' and safety switch
5 ' are rotated connection by shaft 7 '.Specifically, the end that swing rod 6 ' is connected with safety switch 5 ' is first fixed by bolts to peace
On load 8 ', installation sheet 8 ' is fixedly connected with a connection piece 9 ', and connector 9 ' is fixed on the periphery of shaft 7 ' by a bolt, even
Fitting 9 ' can be rotated coaxially with shaft 7 '.
Switch bracket 4 ' is installed, switch bracket 4 ' is L-shaped bending part, bending part packet in the supporting beam of truss 100 '
The horizontal part connecting with truss 100 ' and the vertical portion for installing safety switch 5 ' are included, the horizontal part of switch bracket 4 ' opens up
There is 1 circular hole, one aperture of lower surface tapping of the supporting beam of truss 100 ' with the aperture of screw bolt passes supporting beam and is opened
The circular hole for closing 4 ' horizontal part of bracket is fixed on switch bracket 4 ' in supporting beam, and the first bullet is provided between supporting beam and bolt
Spring washer and the first plain washer, to play the role of bumper and absorbing shock.Direction is extended along on the vertical portion of switch bracket 4 ' to open
It equipped with the mounting groove for adjusting 5 ' installation site of safety switch, needs according to the actual situation, safety switch 5 ' is solid by screw
It is scheduled on the vertical portion of switch bracket 4 ' on any position of mounting groove, to adjust between swing rod 6 ' and handrail driving chain 1 '
Distance, mounting groove can be waist round hole.Safety switch 5 ' is additionally provided with second spring washer between switch bracket 4 ' during installation
With the second plain washer, equally play the role of bumper and absorbing shock, from lateral protection safety switch 5 '.
It is identical with embodiment one, after this device is installed, it can effectively prevent from because of handrail driving chain chain rupture or excessively extending institute
Bring security risk improves safety in operation, the stability of escalator or moving sidewalk, avoids occurring to drive because of handrail
Chain chain rupture or excessively elongation and caused by safety accident.
Embodiment three:
For the public traffic type escalator of significantly hoisting depth, example two is also truthfully applied frequently with end driving wheel
Handrail driving chain is driven, in addition, also end handrail drive wheel can be increased in the lower end of staircase drives handrail driving chain.
Referring to Fig. 8 and Fig. 9, handrail drive chain 15 ", by armrest end part driving wheel 17 " and 19 " band of small machine drive sprocket
Dynamic operation, small machine drive sprocket 19 " is by the lower end driving driving rotation of small machine 20 ".Handrail driving chain chain breakage protection device 2 ",
It is mounted on and is set on truss 100 ", and handrail driving chain chain breakage protection device 2 " is located at the lower section of handrail driving chain 15 ".
About the structure of handrail driving chain chain breakage protection device 2 ", handrail driving chain chain breakage protection device 2 " includes safety open
The swing rod 6 " for closing 5 " and being set to above safety switch 5 ", the one end part of swing rod 6 " is in the lower section of handrail driving chain 15 ", swing rod
6 " the other end is rotated by shaft 7 " with safety switch 5 " and is connect.Specifically, swing rod 6 " is connected with safety switch 5 "
End be first fixed by bolts on installation sheet 8 ", installation sheet 8 " is fixedly connected with a connection piece 9 ", connector 9 " pass through a spiral shell
Bolt is fixed on the periphery of shaft 7 ", and connector 9 " can be rotated coaxially with shaft 7 ", with helping in embodiment one and embodiment two
Hand-drive chain chain breakage protection device structure is identical, and details are not described herein, and the company about handrail driving chain chain breakage protection device 2 "
Mode is connect, it is identical as embodiment one and embodiment two, it also repeats no more herein.Correspondingly, its working principle and embodiment one
It is identical with the working principle of embodiment two, after this device is installed, can effectively it prevent because of handrail driving chain chain rupture or excessively elongation
Brought security risk improves safety in operation, the stability of escalator or moving sidewalk, avoids occurring to drive because of handrail
Dynamic chain chain rupture or excessively elongation and caused by safety accident.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of escalator or moving sidewalk handrails drive chain chain breakage protection device, which is characterized in that the handrail driving
Chain chain breakage protection device is set to the lower section of handrail driving chain, including safety switch and is set to above the safety switch
Swing rod, the one end of the swing rod extend to the lower section of the handrail driving chain, the other end of the swing rod and the safety
Switch is rotatablely connected by a shaft, and when handrail driving chain operates normally, handrail driving chain is mutually separated with the swing rod and institute
It states shaft mutually to separate with the safety switch, in handrail driving chain chain rupture or excessively elongation, the handrail driving chain is in gravity
It falls downwards under effect and is in contact with the swing rod, the swing rod drives the shaft rotation around the pivoted downward
To trigger the safety switch.
2. escalator according to claim 1 or moving sidewalk handrails drive chain chain breakage protection device, feature exist
In the handrail driving chain chain breakage protection device is installed on truss.
3. escalator according to claim 2 or moving sidewalk handrails drive chain chain breakage protection device, feature exist
In the handrail driving chain protective device is fixed on truss by a switch bracket.
4. escalator according to claim 3 or moving sidewalk handrails drive chain chain breakage protection device, feature exist
In the bottom of the switch bracket is fixed on truss by the first fastener.
5. escalator according to claim 4 or moving sidewalk handrails drive chain chain breakage protection device, feature exist
In being provided with the first elastic component between first fastener and truss.
6. escalator according to claim 4 or moving sidewalk handrails drive chain chain breakage protection device, feature exist
In the safety switch of the handrail driving chain protective device is fixed on the switch bracket by the second fastener.
7. escalator according to claim 6 or moving sidewalk handrails drive chain chain breakage protection device, feature exist
In the second elastic component is arranged between the safety switch and the switch bracket.
8. escalator according to claim 3 or moving sidewalk handrails drive chain chain breakage protection device, feature exist
It is a L-shaped bending part in, the switch bracket, the bending part includes the horizontal part connecting with truss and for installing
The vertical portion of the safety switch.
9. escalator according to claim 8 or moving sidewalk handrails drive chain chain breakage protection device, feature exist
In extending along direction on the vertical portion and offer mounting groove for adjusting the safety switch installation site.
10. escalator according to claim 1 or moving sidewalk handrails drive chain chain breakage protection device, feature exist
In when handrail driving chain operates normally, the distance between the swing rod and the handrail driving chain are 25 ~ 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822101847.5U CN209337938U (en) | 2018-12-14 | 2018-12-14 | Escalator or moving sidewalk handrails drive chain chain breakage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822101847.5U CN209337938U (en) | 2018-12-14 | 2018-12-14 | Escalator or moving sidewalk handrails drive chain chain breakage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209337938U true CN209337938U (en) | 2019-09-03 |
Family
ID=67757201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822101847.5U Active CN209337938U (en) | 2018-12-14 | 2018-12-14 | Escalator or moving sidewalk handrails drive chain chain breakage protection device |
Country Status (1)
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|---|---|
| CN (1) | CN209337938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455611A (en) * | 2018-12-14 | 2019-03-12 | 苏州江南嘉捷电梯有限公司 | Escalator or moving sidewalk handrails drive chain chain breakage protection device |
-
2018
- 2018-12-14 CN CN201822101847.5U patent/CN209337938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455611A (en) * | 2018-12-14 | 2019-03-12 | 苏州江南嘉捷电梯有限公司 | Escalator or moving sidewalk handrails drive chain chain breakage protection device |
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