CN206437758U - The Anti-rolling up protection device of escalator/moving sidewalk and its handrail - Google Patents

Abstract

The utility model is related to the Anti-rolling up protection device of a kind of escalator/moving sidewalk and its handrail, and Anti-rolling up protection device includes being used to be set in the handrail turning lifting region of escalator porch, the isolating and protecting set so that the outer surface of handrail turning lifting region to be isolated from the outside.The outer surface of handrail turning lifting region is isolated from the outside by Anti-rolling up protection device of the present utility model by isolating and protecting set; prevent personnel at handrail turning lifting region from directly contacting handrail; so as to avoid the accident that personnel are rolled and produced by handrail; the safeguard protection effect to personnel is served, and does not interfere with normal operation and its outward appearance of escalator/moving sidewalk.

Description

The Anti-rolling up protection device of escalator/moving sidewalk and its handrail

Technical field

The utility model is related to escalator and moving sidewalk, more specifically to a kind of escalator/from moving Trade and its Anti-rolling up protection device of handrail.

Background technology

The both sides of escalator are provided with the handrail of quality of rubber materials, and handrail is run simultaneously with escalator step, is Retinue support is provided during occupant ride escalator.In escalator porch, handrail is exported from the handrail close to ground Out, turn and lifted upwards immediately, then run to the height of handrail and run along the traffic direction of escalator.

In handrail after the handrail of one end exports out, to this section of the inlet of handrail of the other end, handrail is Exposed, because handrial belt is elastomeric material, with very big frictional force.When contact of the trunk with handrial belt When pressure is reached to a certain degree, human body can be rolled by handrail.When human body is rolled to the handrail height of handrail, due to people Body lacks the grasping strong point, when gravity center of human body is located on the outside of handrail, you can cause serious falling from high altitude accident.Due to Escalator enters to locate mouth and the difference in height of constructure ground is generally larger, therefore, and this personnel are rolled by handrail then to fall Accident be typically fatal.

Current coming of new and escalator, at gateway personnel handrail may be contacted because of body and is drawn That rises is rolled-up danger, existing national safety standard《The manufacture of escalator and moving sidewalk is with installing safety standard》 (GB16899-2011) (hereinafter referred to as " standard ") only requires the retention device that the example below is set at escalator gateway,

The size of the retention device can not still play relative to the body sizes and pliability of children and stop work well With therefore, even if the retention device at gateway meets standard requirement, being played the handrail run up or adult in children When leaning on the handrail run up by mistake, personnel still have the risk that body was rolled and triggered high falling by handrail.

At the same time, standard is in order to protect during personnel's seating escalator, and hand and limbs are placed on the handrail of motion not It can cause, by injury accidents such as barrier collision, extruding, the shearings on handrail periphery, to define any barrier and handrail Horizontal range is no less than 80mm, and the safety zone (including handrail overhead) must be maintained to 2.1m head room. Therefore, standard provides that retention device and handrail must maintain certain safe distance, has thereby resulted in certain human body and has led to Space is crossed, is rolled so as to fail personnel are completely eliminated by handrail, then triggers the potential safety hazard of fall injury accident.

May be rolled for elimination personnel by handrail and the injures and deaths that cause to fall potential safety hazard, some production units are voluntarily The protectors such as protective plate are provided with handrail, but because handrail is not completely enclosed, the handrail of motion and fixation Protector between exist and squeeze clip finger, the risk of limbs or body, if being moved after protector, is not inconsistent in standardization and provided Escalator gateway at, handrail width range planted agent keep fully unimpeded clear requirement.

As can be seen here, current coming of new and the handrail Anti-rolling up of escalator protect not enough, voluntarily set individually The protector of meter is there is also potential safety hazard and is difficult to other safety requirements for meeting standard, accordingly, it is desirable to provide it is a kind of effectively Solution.

Utility model content

The technical problems to be solved in the utility model be there is provided a kind of improved escalator/moving sidewalk and its The Anti-rolling up protection device of handrail.

The utility model solves the technical scheme that its technical problem used：Construct a kind of escalator/from moving row The Anti-rolling up protection device of road handrail, including turned for the handrail for being set in escalator/moving sidewalk porch Lifting region, the isolating and protecting set so that the outer surface of the handrail turning lifting region to be isolated from the outside.

Preferably, the isolating and protecting set includes at least two protection bodies, length of each protection body along the handrail Spend direction to be extended, and splice successively in the outer surface circumference of the handrail, detachable group between adjacent protection body Dress, forms the isolating and protecting set after assembling.

Preferably, provided with the snap fastener being fixed between the adjacent protection body edge mutually spliced.

Preferably, the snap fastener includes the first bayonet socket and/or the first buckle for being arranged on protection body edge described in one, And it is arranged on second buckle and/or the second bayonet socket at the adjacent protection body edge, first bayonet socket and described second Buckle correspondence engages, first buckle engaging corresponding with second bayonet socket.

Preferably, the isolating and protecting set includes the first protection body, the second protection body, and first protection body, second prevent Watch box is extended along the length direction of the handrail respectively, and first protection body is included along the length side of the handrail To the first side of setting, the second side that second protection body Bao Kuo not set along the length direction of the handrail；

First protection body, the second protection body are arranged side by side in the outer surface circumference of the handrail, and described first While, second while position correspondence and mutually splice, first protection body, the second protection body are mutually detachably assembled, formed institute State isolating and protecting set.

Preferably, first protection body, be respectively equipped with the second protection body can be from the width two of the handrail Opposite side snaps onto the first neck, the second neck on the handrail, and first neck, the opening of the second neck are set relatively Put；

First neck, the second neck two edges corresponding with the outer ring position of the handrail are the mutually spliced On one side, the second side, two edges corresponding with the inner ring position of the handrail are arranged at intervals, to be clamped from two opposite sides to described The skirting board of handrail support.

Preferably, the Anti-rolling up protection device also includes the detent mechanism that the isolating and protecting is covered to sealed positioning.

Preferably, the escalator/moving sidewalk includes skirting board and is arranged on the skirting board border for described Handrail installs the guide rail being oriented to；

The detent mechanism includes the connector being connected between the guide rail and isolating and protecting set；And/or, it is described Detent mechanism includes the connector being connected between the skirting board and isolating and protecting set.

Preferably, the Anti-rolling up protection device also includes inlet of handrail protective case and anti-reverse control circuit,

The anti-reverse control circuit includes top key switch, bottom key switch and upload control loop, descending Control loop；

The upload control loop includes the up self-holding contact being sequentially connected in series, first switch, second switch, descending loop Interlocking contact, up direction contactor and be connected between the up self-holding contact and the first switch first on Row branch road, the second up branch road；

The descending control loop includes the descending self-holding contact being sequentially connected in series, the 3rd switch, the 4th switch, up loop Interlocking contact, down direction contactor and the descending self-holding contact and it is described 3rd switch between be connected first under Row branch road, the second downstream branch；

The top key switch includes the first movable contact and the first stationary contact, the second stationary contact, and described first is dynamic tactile Point is connected with one in first stationary contact, the second stationary contact to be switched on circuit respectively, and first movable contact leads to Cross the up self-holding contact to be connected with the first switch, first stationary contact is connected with the described first up branch road, institute The second stationary contact is stated to be connected with first downstream branch；

The bottom key switch includes the second movable contact and the 3rd stationary contact, the 4th stationary contact, and described second is dynamic tactile Point is connected with one in the 3rd stationary contact, the 4th stationary contact to be switched on circuit respectively, and second movable contact leads to Cross the descending self-holding contact to be connected with the described 3rd switch, the 3rd stationary contact is connected with the described second up branch road, institute The 4th stationary contact is stated to be connected with second downstream branch；

Connected between first movable contact, the second movable contact；

When the top key switch is connected with the described first up branch road or the bottom key switch and described second When up branch road is connected, turn on, make described with first switch, second switch, descending loop interlocking contact, up direction contactor Upload control loop and the up direction contactor must be conducted, and allow the up self-holding contact self-locking, and be cut off on described Row loop interlocking contact, to disconnect the descending control loop；

When the top key switch and first downstream branch are connected or the bottom key switch and described second When downstream branch is connected, turn on, make described with the 3rd switch, the 4th switch, up loop interlocking contact, down direction contactor Descending control loop and the down direction contactor must be conducted, and allow the descending self-holding contact self-locking, and cut off it is described under Row loop interlocking contact, to disconnect the upload control loop；

The first switch, second switch are arranged on the upper entrance of escalator/moving sidewalk, and the described 3rd opens Close, the 4th switchs the lower entrances for being arranged on escalator/moving sidewalk, the inlet of handrail protection is set on described The lower end of isolating and protecting set, the inlet of handrail protective case compresses the first switch of the corresponding upper entrance, second opened Close, and lower entrances the 3rd switch, the 4th switch, with make respectively the upload control loop, descending control loop keep Disconnect.

The utility model also constructs a kind of escalator/moving sidewalk, including described escalator/moving sidewalk The Anti-rolling up protection device of handrail.

Implement the Anti-rolling up protection device of escalator/moving sidewalk of the present utility model and its handrail, with Lower beneficial effect：Anti-rolling up protection device of the present utility model can be by isolating and protecting set by handrail turning lifting region Outer surface is isolated from the outside, and people can be allowed to directly contact the turning lifting region of handrail in porch, so that also Eliminate personnel and the risk for accident occur is rolled by handrail, serve the safety protection function to personnel, do not interfere with simultaneously The normal operation of escalator and its outward appearance.

Brief description of the drawings

Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：

Fig. 1 is that the isolating and protecting set of the Anti-rolling up protection device in the utility model embodiment is installed to the side on handrail Face structural representation；

Fig. 2 is the A-A profile structure diagram in Fig. 1；

Fig. 3 is the enlarged diagram of the partial view B in Fig. 2；

Fig. 4 is the sectional schematic diagram that isolating and protecting in Fig. 2 covers decomposing state；

Fig. 5 is the enlarged diagram of the partial view C in Fig. 4；

Fig. 6 is the principle schematic of the anti-reverse control circuit of Anti-rolling up protection device.

Embodiment

In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, accompanying drawing is now compareed detailed Illustrate embodiment of the present utility model.

As shown in Figure 1 and Figure 2, the escalator in one preferred embodiment of the utility model includes transmission crawler belt, is arranged on Transmit the skirting board 1 of crawler belt both sides and on skirting board 1 cycle rotation handrail 2, it is further, automatic in order to prevent The handrail 2 of staircase porch rolls people in upward turning lifting, and escalator also includes Anti-rolling up protection device.It is anti-roll Protection device is played including being used to be set in the turning lifting region of handrail 2 of escalator porch, being carried so that handrail 2 to be turned The isolating and protecting set 3 that the outer surface in region is isolated from the outside is risen, the gap between isolating and protecting set 3 and handrail 2 is smaller, no matter Handrail 2 is run to which direction, the finger of people can be prevented to be caught in.

The outer surface of the turning lifting region of handrail 2 is isolated from the outside by isolating and protecting set 3, people can be allowed in entrance Place can not directly contact handrail 2, so as to also avoid to be rolled the risk for accident occur by handrail 2, serve to people Member protection effect, do not interfere with handrail 2 normal operation and handrail 2 outside safety zone.

In certain embodiments, because the section profile of the exposed parts of handrail 2 is C-shaped or class C-shaped, therefore, isolation is anti- The inner side of sheath 3 and the section profile that handrail 2 is arranged be also C-shaped or class C-shaped.The upper end outer ring for covering 3 in isolating and protecting is provided with circle Angle or oblique angle transition, it is to avoid form excessive offset, prevent from injuring human hand formation.

As shown in Figures 2 to 5, cover 3 sets for the ease of isolating and protecting and be set to handrail 2, isolating and protecting set 3, which includes first, to be prevented Watch box 31, the second protection body 32, the first protection body 31, the second protection body 32 are extended along the length direction of handrail 2 respectively, Side by side splice in the circumference of handrail 2.

First protection body 31 includes the first side 311 set along the length direction of handrail 2, and the second protection body 32 does not include The second side 321 set along the length direction of handrail 2.First protection body 31, the second protection body 32 are in the outer surface of handrail 2 Be arranged side by side in circumference, first at 311, second 321 position correspondence and mutually splice, the first protection body 31, second protection The mutually detachable assembling of body 32, forms isolating and protecting set 3 after assembling.

Isolating and protecting is covered into 3 points of two parts for that can dismount, can be first single by the first protection body 31, the second protection body 32 Solely it is installed on handrail 2, then the first protection body 31, the second protection body 32 is assembled, is easy to isolating and protecting to cover 3 sets and is set to On handrail 2.

Preferably, the center line for generally covering 3 along isolating and protecting is formed separately the first protection body 31, the second protection body 32, first Protection body 31, the second protection body 32 are generally symmetrical, and being respectively equipped with the first protection body 31, the second protection body 32 can be from handrail 2 Width two opposite sides snap onto the first neck 312, the second neck 322 on handrail 2.First neck 312, second blocks The opening of groove 322 is oppositely arranged, and from the engaging of the both sides of handrail 2, facilitates the first protection body 31, the installation of the second protection body 32.

First neck 312, the second neck 322 two edges corresponding with the outer ring position of handrail 2 are the mutually spliced 311, second side 321 on one side, two edges corresponding with the inner ring position of handrail 2 are arranged at intervals, with from two opposite sides clamping pair The skirting board 1 that handrail 2 is supported.So, isolating and protecting set 3 is then by the exposed portion of the turning lifting region of handrail 2 of porch Divide all to have carried out wrapping up and block, prevent personnel from being contacted with handrail 2.

Further, for the ease of the quick assembling of the first protection body 31, the second protection body 32, the first side mutually spliced 311st, provided with the snap fastener being fixed between the second side 321.In certain embodiments, snap fastener includes being arranged on first The first bayonet socket 313 on side 311, and the second buckle 323 being arranged on the second side 321, the first bayonet socket 313 and the second buckle 323 correspondence engagings.

Certainly, also first buckle can be set on the first side 311, sets corresponding with the first buckle on the second side 321 Second bayonet socket, or, the first bayonet socket 313, the first buckle are set simultaneously on the first side 311, set simultaneously on the second side 321 The first protection body 31, the assembling of the second protection body 32 are realized in second buckle 323, the second bayonet socket, corresponding engaging.

In other embodiments, isolating and protecting set 3 may also comprise more than two protection body splicing assemblings and be formed.Each protection Length direction of the body along handrail 2 is extended, and is spliced successively in the outer surface circumference of handrail 2, adjacent protection body Between detachably assemble, formed isolating and protecting set 3.

In certain embodiments, in order to keep isolating and protecting to cover 3 position positioning, Anti-rolling up protection device also includes will be every From the detent mechanism 4 of the sealed positioning of protective jacket 3.Generally, escalator includes skirting board 1 and is arranged on the border of skirting board 1 for helping Hand strap 2 installs the guide rail 5 being oriented to.Detent mechanism 4 includes the connector being connected between guide rail 5 and isolating and protecting set 3, connector Usually screw rod, is connected between guide rail 5 and isolating and protecting set 3 and the close edge of skirting board 1, and isolating and protecting set 3 is sealed Positioning.The bending direction that connector can cover 3 along isolating and protecting be intervally arranged settings, the branch for allowing isolating and protecting set 3 to be equalized Support.

In other embodiments, detent mechanism 4 may also comprise the connection being connected between skirting board 1 and isolating and protecting set 3 Part, certainly, the connector being connected between guide rail 5 and isolating and protecting set 3 can be also set simultaneously and skirting board 1 and isolation is connected to Connector between protective jacket 3, can guarantee that the support to isolating and protecting set 3.In other embodiments, detent mechanism 4 It may include to erect and the support of 3 supports covered in face of isolating and protecting on ground.

With reference to shown in Fig. 1 and Fig. 6, further, in order to prevent personnel because maloperation makes escalator inverted running and Potential safety hazard is produced, Anti-rolling up protection device also includes inlet of handrail protective case 6 and anti-reverse control circuit 7.

It is anti-reverse control circuit include top key switch 71, bottom key switch 72 and upload control loop 73, under Row control loop 74.

Upload control loop 73 include be sequentially connected in series up self-holding contact 731, first switch 733, second switch 734, Descending loop interlocks contact 735, up direction contactor 732 and between up self-holding contact 731 and first switch 733 The first up branch road 736, the second up branch road 737 of connection.

Descending control loop 74 include be sequentially connected in series descending self-holding contact the 741, the 3rd switch the 743, the 4th switch 744, Up loop interlocks contact 745, down direction contactor 742 and between descending self-holding contact 741 and the 3rd switch 743 The first downstream branch 746, the second downstream branch 747 of connection.

Top key switch 71 includes the first movable contact 711 and the first stationary contact 712, the second stationary contact 713, described the One movable contact 711 is connected to be switched on circuit with one in first stationary contact 712, the second stationary contact 713 respectively, institute State the first movable contact 711 to be connected with the first switch 733 by the up self-holding contact 731, first stationary contact 712 It is connected with the described first up branch road 736, second stationary contact 713 is connected with first downstream branch 746, that can distinguish Connect, accordingly return top key switch 71 with upload control respectively with the first up branch road 736, the first downstream branch 746 Road 73, descending control loop 74 are turned on.

Bottom key switch 72 includes the second movable contact 721 and the 3rd stationary contact 722, the 4th stationary contact 723, described the Two movable contacts 721 are connected to be switched on circuit with one in the 3rd stationary contact 722, the 4th stationary contact 723 respectively, institute State the second movable contact 721 to be connected with the described 3rd switch 743 by the descending self-holding contact 741, the 3rd stationary contact 722 It is connected with the described second up branch road 737, the 4th stationary contact 723 is connected with second downstream branch 747, that can distinguish Connect, accordingly return bottom key switch 72 with upload control respectively with the second up branch road 737, the second downstream branch 747 Road 73, descending control loop 74 are turned on.

Connected between first movable contact 711, the second movable contact 721, top key switch 71, bottom key switch 72 are usual On the skirt panel for being arranged on the upper entrance of escalator/moving sidewalk, lower entrances.

First movable contact 711 is connected with the first stationary contact 712 allows top key switch 71 to be connected with the first up branch road 736 When, or the second movable contact 721 and the 3rd stationary contact 722 connected when allowing the connection of the up branch road 737 of bottom key switch 72 and second, Turned on first switch 733, second switch 734, descending loop interlocking contact 735, up direction contactor 732, make up control Loop 73 processed and up direction contactor 732 must be conducted, and allow the up self-locking of self-holding contact 731, and cut off up loop interlocking Contact 745, to disconnect descending control loop 74.

First movable contact 711 is connected with the second stationary contact 713 allows top key switch 71 to be connected with the first downstream branch 746 When, or the second movable contact 721 and the 4th stationary contact 723 connected when allowing the connection of the downstream branch 747 of bottom key switch 72 and second, Turned on the switch 744 of the 3rd switch the 743, the 4th, up loop interlocking contact 745, down direction contactor 742, make descending control Loop 74 processed and down direction contactor 742 must be conducted, and allow the descending self-locking of self-holding contact 741, and cut off descending loop interlocking Contact 735, to disconnect upload control loop 73；

First switch 733, second switch 734 are arranged in the handrail gateway on escalator/moving sidewalk top, The switch 744 of 3rd switch the 743, the 4th is arranged in the gateway of escalator/moving sidewalk bottom, and inlet of handrail is protected Sheath 6 is arranged on the lower end of isolating and protecting set 3.When installing isolating and protecting set 3, isolating and protecting set 3 compresses inlet of handrail guarantor Sheath 6, the inlet of handrail protective case 6 compresses first switch 733 of the corresponding upper armrest with gateway, second switch 734, and bottom handrail gateway the switch 744 of the 3rd switch the 743, the 4th, to make upload control loop 73 respectively, descending Control loop 74 is remained open.

Operating personnel allow be arranged on the top key switch 71 of upper entrance respectively with the first up branch road 736 or the first Row branch road 746 is connected, you can control to ensure that elevator is normal to up direction or to the safety of down direction simultaneously in upper entrance Operation.The inlet of handrail protective case 6 of correspondence position is compressed to first switch 733, second switch 734, first switch is allowed 733rd, second switch 734 is off, and prevents personnel because maloperation makes escalator inverted running and produces safe hidden Suffer from, it is ensured that the safe operation of escalator.

Operating personnel allow be arranged on the bottom key switch 72 of lower entrances respectively with the second up branch road 737, second Row branch road 747 is connected, you can control to ensure that elevator is normal to up direction or to the safety of down direction simultaneously in lower entrances Operation.The switch 744 of 6 pair the 3rd of inlet of handrail protective case switch the 743, the 4th of correspondence position is compressed, the 3rd switch is allowed 743rd, the 4th switch 744 is off, and prevents personnel because maloperation makes escalator inverted running and produces safe hidden Suffer from, it is ensured that the safe operation of escalator.

In other embodiments, Anti-rolling up protection device is equally applicable on moving sidewalk, accordingly, allows isolating and protecting Set 3 sets the porch turning lifting region to the handrail 2 of moving sidewalk.

It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.

Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in Other related technical fields, are similarly included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of escalator/moving sidewalk handrails band（2）Anti-rolling up protection device, it is characterised in that including for covering It is located at the handrail of escalator/moving sidewalk porch（2）Turning lifting region, with by the handrail（2）Turning is carried Rise the isolating and protecting set that the outer surface in region is isolated from the outside（3）.

2. escalator/moving sidewalk handrails band according to claim 1（2）Anti-rolling up protection device, its feature It is, the isolating and protecting set（3）Including at least two protection bodies, each protection body is along the handrail（2）Length side To being extended, and in the handrail（2）Outer surface circumference on splice successively, detachable group between adjacent protection body Dress, forms the isolating and protecting set after assembling（3）.

3. escalator/moving sidewalk handrails band according to claim 2（2）Anti-rolling up protection device, its feature It is, provided with the snap fastener being fixed between the adjacent protection body edge mutually spliced.

4. escalator/moving sidewalk handrails band according to claim 3（2）Anti-rolling up protection device, its feature It is, the snap fastener includes the first bayonet socket for being arranged on protection body edge described in one（313）And/or first buckle, and It is arranged on second buckle at the adjacent protection body edge（323）And/or second bayonet socket, first bayonet socket（313）With institute State the second buckle（323）Correspondence engaging, first buckle engaging corresponding with second bayonet socket.

5. the escalator/moving sidewalk handrails band according to any one of claim 2 to 4（2）Anti-rolling up protection dress Put, it is characterised in that the isolating and protecting set（3）Including the first protection body（31）, the second protection body（32）, first protection Body（31）, the second protection body（32）Respectively along the handrail（2）Length direction be extended, first protection body（31） Including along the handrail（2）Length direction set the first side（311）, second protection body（32）Bao Kuo not be along described Handrail（2）Length direction set the second side（321）；

First protection body（31）, the second protection body（32）In the handrail（2）Outer surface circumference on be arranged side by side, institute State the first side（311）, the second side（321）Position correspondence and mutually splice, first protection body（31）, the second protection body （32）Mutually detachable assembling, forms the isolating and protecting set（3）.

6. escalator/moving sidewalk handrails band according to claim 5（2）Anti-rolling up protection device, its feature It is, first protection body（31）, the second protection body（32）On be respectively equipped with can be from the handrail（2）Width two Opposite side snaps onto the handrail（2）On the first neck（312）, the second neck（322）, first neck（312）, Two draw-in groove（322）Opening be oppositely arranged；

First neck（312）, the second neck（322）With the handrail（2）The corresponding two edges in outer ring position be phase The first side mutually spliced（311）, the second side（321）, with the handrail（2）The corresponding two edges interval in inner ring position set Put, to be clamped from two opposite sides to the handrail（2）The skirting board of support（1）.

7. the escalator/moving sidewalk handrails band according to any one of Claims 1-4（2）Anti-rolling up protection dress Put, it is characterised in that the Anti-rolling up protection device is also included the isolating and protecting set（3）The detent mechanism of sealed positioning （4）.

8. escalator/moving sidewalk handrails band according to claim 7（2）Anti-rolling up protection device, its feature It is, the escalator/moving sidewalk includes skirting board（1）Be arranged on the skirting board（1）Border supplies the handrail Band（2）The guide rail being oriented to is installed（5）；

The detent mechanism（4）Including being connected to the guide rail（5）With the isolating and protecting set（3）Between connector；With/ Or, the detent mechanism（4）Including being connected to the skirting board（1）With the isolating and protecting set（3）Between connector.

9. escalator/moving sidewalk handrails band according to claim 1（2）Anti-rolling up protection device, its feature It is, the Anti-rolling up protection device also includes inlet of handrail protective case（6）With anti-reverse control circuit（7）,

The anti-reverse control circuit includes top key switch（71）, bottom key switch（72）And upload control loop （73）, descending control loop（74）；

The upload control loop（73）Including the up self-holding contact being sequentially connected in series（731）, first switch（733）, second open Close（734）, descending loop interlocking contact（735）, up direction contactor（732）And with the up self-holding contact（731） With the first switch（733）Between the first up branch road for connecting（736）, the second up branch road（737）；

The descending control loop（74）Including the descending self-holding contact being sequentially connected in series（741）, the 3rd switch（743）, the 4th open Close（744）, up loop interlocking contact（745）, down direction contactor（742）And with the descending self-holding contact（741） With the described 3rd switch（743）Between the first downstream branch for connecting（746）, the second downstream branch（747）；

The top key switch（71）Including the first movable contact（711）And first stationary contact（712）, the second stationary contact （713）, first movable contact（711）Respectively with first stationary contact（712）, the second stationary contact（713）In one connect Pass to and be switched on circuit, first movable contact（711）Pass through the up self-holding contact（731）With the first switch （733）Connection, first stationary contact（712）With the described first up branch road（736）Connection, second stationary contact（713） With first downstream branch（746）Connection；

The bottom key switch（72）Including the second movable contact（721）And the 3rd stationary contact（722）, the 4th stationary contact （723）, second movable contact（721）Respectively with the 3rd stationary contact（722）, the 4th stationary contact（723）In one connect Pass to and be switched on circuit, second movable contact（721）Pass through the descending self-holding contact（741）With the described 3rd switch （743）Connection, the 3rd stationary contact（722）With the described second up branch road（737）Connection, the 4th stationary contact（723） With second downstream branch（747）Connection；

First movable contact（711）, the second movable contact（721）Between connect；

The top key switch（71）With the described first up branch road（736）During connection or the bottom key switch（72）With The second up branch road（737）During connection, with first switch（733）, second switch（734）, descending loop interlocking contact （735）, up direction contactor（732）Conducting, makes the upload control loop（73）And the up direction contactor（732） It must conduct, allow the up self-holding contact（731）Self-locking, and cut off the up loop interlocking contact（745）, to disconnect State descending control loop（74）；

The top key switch（71）With first downstream branch（746）During connection or the bottom key switch（72）With Second downstream branch（747）During connection, with the 3rd switch（743）, the 4th switch（744）, up loop interlocking contact （745）, down direction contactor（742）Conducting, makes the descending control loop（74）And the down direction contactor（742） It must conduct, allow the descending self-holding contact（741）Self-locking, and cut off the descending loop interlocking contact（735）, to disconnect State upload control loop（73）；

The first switch（733）, second switch（734）It is arranged on the upper entrance of escalator/moving sidewalk, described Three switches（743）, the 4th switch（744）The lower entrances of escalator/moving sidewalk are arranged on, the inlet of handrail is protected Sheath（6）It is arranged on the isolating and protecting set（3）Lower end, the inlet of handrail protective case（6）Compress it is corresponding it is described on The first switch of portion's entrance（733）, second switch（734）, and lower entrances the 3rd switch（743）, the 4th switch （744）, to make the upload control loop respectively（73）, descending control loop（74）Remain open.

10. a kind of escalator/moving sidewalk, it is characterised in that including helping automatically described in any one of claim 1 to 9 Ladder/moving sidewalk handrails band（2）Anti-rolling up protection device.