CN102398847B - Upward movement anti-reversion device for escalator or moving sidewalk - Google Patents
Upward movement anti-reversion device for escalator or moving sidewalk Download PDFInfo
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- CN102398847B CN102398847B CN 201110384851 CN201110384851A CN102398847B CN 102398847 B CN102398847 B CN 102398847B CN 201110384851 CN201110384851 CN 201110384851 CN 201110384851 A CN201110384851 A CN 201110384851A CN 102398847 B CN102398847 B CN 102398847B
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- escalator
- moving sidewalk
- switch
- regulating part
- switch rod
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Abstract
The invention discloses an upward movement anti-reversion device for an escalator or a moving sidewalk. When the escalator or the moving sidewalk moves upwards, a safety switch on a contact is positioned on a rotation path of a switch rod; during upward movement of the escalator or the moving sidewalk, a turntable is rotated along with a driving shaft; although the relatively concavo-convex outline of the turntable can be collided with the switch rod to make the switch rod rotate, the switch rod is rotated towards a direction far away from the safety switch, and the safety switch cannot be collided by the switch rod; therefore, normal upward movement of the escalator or the moving sidewalk can be guaranteed; once non-operable reversion occurs in a driving device, namely the escalator or the moving sidewalk suddenly moves downwards during upward movement, the driving shaft drives the turntable to rotate, so that the switch rod collided by the relatively concavo-convex outline of the turntable is rotated towards the safety switch to be collided with the safety switch; and after being triggered, the safety switch sends a running stop signal out, and the escalator or the moving sidewalk stops running immediately, so the safety of passengers is guaranteed. The anti-reversion device realizes an upward movement anti-reversion function through a mechanical structure and the safety switch, has low cost and is operated stably and reliably.
Description
Technical field
The present invention relates to the up anti-kickback device of escalator or moving sidewalk.
Background technology
When escalator or moving sidewalk are up, if change into suddenly descendingly, will cause very big threat to passenger's safety, so arranging of up anti-kickback device is extremely important.In the prior art, anti-kickback device generally is PLC control or employing contact switch, and the former is expensive, and the latter regulates difficulty, damages easily.
Summary of the invention
The purpose of this invention is to provide the up anti-kickback device of realizing by physical construction and safety switch on escalator or the moving sidewalk, this up anti-kickback device cost is low, stable and reliable operation.
For achieving the above object, the technical solution used in the present invention is: the up anti-kickback device of escalator or moving sidewalk, comprise and being fixedly installed on on the axle drive shaft that drives the operation of described escalator or moving sidewalk and along the rotating disk of the concavo-convex relatively setting of circumferential direction profile, thereby can be arranged on the switch rod that also can be rotated by concavo-convex relatively described profile bump on the truss of described escalator or moving sidewalk rotationally, be arranged on the truss of described escalator or moving sidewalk and have the electromagnet of the contact that can stretch, a side that is fixedly installed on the described contact and is positioned at described switch rod can be touched by this switch rod and be sent the safety switch that stops described escalator or moving sidewalk run signal then, described contact has elongation state and contraction state, when described contact was in one of them state of elongation state and contraction state, the safety switch on the described contact was on the rotation path of described switch rod; When described contact was in the another one state, described safety switch broke away from the rotation path of described switch rod.
Preferably, described up anti-kickback device also comprises can provide described switch rod elastic-restoring force to make this switch rod be knocked the elastic component that rotates the back return.
Further preferably, described truss is provided with support, described support is provided with a pair of regulating part that can move, described a pair of regulating part respectively and be provided with between the described support for the location this regulating part lockout mechanism, described switch rod can be arranged on the described support rotationally, be set with attaching parts on the described switch rod, described attaching parts is between described a pair of regulating part, described elastic component has a pair of, the two ends of one of them described elastic component are pressed on respectively on the side of a described regulating part and described attaching parts, the two ends of the described elastic component of another one are pressed on respectively on the opposite side of the described regulating part of another one and described attaching parts, and the moving direction of described regulating part extends along the length direction of described elastic component.
Still more preferably, described a pair of regulating part, described attaching parts all offer perforation on corresponding position, passed screw rod in the perforation of described a pair of regulating part, described attaching parts, described elastic component adopts spring, a pair of described spring all is set on the described screw rod, and lay respectively between described a pair of regulating part and the described attaching parts, described screw rod stretches out on the position of described a pair of attaching parts and is combined with captive nut.
Still more preferably, the described lockout mechanism slide opening that comprises the tapped bore that is opened on the described support, be opened on the described regulating part and extend along its moving direction, can pass described slide opening and screw then in the described tapped bore described regulating part is pressed on the screw on the described support.
Preferably, an end of described switch rod is equipped with the plastic jacket that clashes into for by described concavo-convex relatively profile.
Preferably, the circular, circumferential profile of described rotating disk is recessed to form described concavo-convex relatively profile in the position of carrying out symmetry according to center of turn.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage: when escalator or moving sidewalk are descending, be in one of them state of elongation state and contraction state corresponding to contact, make the safety switch on the contact break away from the rotation path of switch rod, when rotating disk is along with drive shaft turns like this, though profile concavo-convex relatively on the rotating disk is understood the impact switch rod, but safety switch keeps breaking away from the rotation path of switch rod, make safety switch can not struck by the switch rod, this anti-kickback device can not have influence on the normally descending of escalator or moving sidewalk like this; When escalator or moving sidewalk are up, contact on the electromagnet is in the another one state of elongation state and contraction state at this moment, make the safety switch on the contact be on the rotation path of switch rod, when rotating disk is along with drive shaft turns when up, though profile concavo-convex relatively on the rotating disk is understood the impact switch rod, make the switch rod rotate, but the switch rod is to rotate towards the direction away from safety switch, so safety switch can not struck by the switch rod, guarantee the normally up of escalator or moving sidewalk, in case the reverse of non-manipulation type takes place in actuating device, be escalator or moving sidewalk by up be reversed into suddenly descending, the axle drive shaft band the rotation of rotating disk, makes to be rotated the bump safety switch towards safety switch by the switch rod relative to concavo-convex profile bump on the rotating disk, after safety switch is touched, send signal out of service, escalator or moving sidewalk in time stop, and guarantee passenger's safety.Anti-kickback device is realized up anti-reversing function by physical construction and safety switch, and this anti-kickback device cost is low, stable and reliable operation.
Description of drawings
Accompanying drawing 1 is looked scheme drawing for master of the present invention, and wherein escalator or moving sidewalk are descending, and safety switch breaks away from the rotation path of switch rod;
Accompanying drawing 2 is looked scheme drawing for master of the present invention, and wherein escalator or moving sidewalk are up, and safety switch is on the rotation path of switch rod;
Accompanying drawing 3 is schematic side view of the present invention;
Accompanying drawing 4 is schematic top plan view of the present invention.
The specific embodiment
Further set forth structure of the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1-4, the up anti-kickback device of escalator or moving sidewalk, be used for preventing the up reverse of escalator or moving sidewalk, and do not influence escalator or the descending normal operation of moving sidewalk, this up anti-kickback device comprises rotating disk 1, switch rod 2, electromagnet 5, safety switch 8, elastic component 11, rotating disk 1 is fixedly installed on the axle drive shaft, this axle drive shaft is the output shaft of drive motor, be used for driving the operation of escalator or moving sidewalk, escalator or moving sidewalk are when upstream or downstream like this, and rotating disk 1 meeting is carried out cw along with axle drive shaft or rotated counterclockwise.On circumferential direction, the concavo-convex relatively setting of the profile of rotating disk 1, here the concavo-convex relatively meaning refers to: one, the outline portion of rotating disk 1 caves in, then part is exactly protruding with respect to this recessed outline portion in addition, as in Fig. 1 and 2, the circular, circumferential profile of rotating disk 1 is recessed to form concavo-convex relatively profile in the position of carrying out symmetry according to center of turn, and Ao Xian outline portion is considered to recessed here, and what other circular outline portions were recessed relatively then is considered to protruding; Two, the outline portion of rotating disk is protruding, then in addition part is exactly recessed with respect to this protruding outline portion, and as cam, the profile of cam also is considered to concavo-convex relatively setting here; Three, the profile of rotating disk have recessed, be convexly equipped with and put, recessed position and protruding part are spaced along circumferential direction; Four, the profile of rotating disk itself does not have concavo-convex setting, as round turntable, but be eccentrically set on the axle drive shaft, here on the circumferential profile of rotating disk each point apart from axle drive shaft the axle center distance be different or incomplete same, here distance is considered to protruding, distance is near to be considered to recessed, and being eccentrically set on circular sabot on the axle drive shaft like this, also to be considered to profile be concavo-convex relatively setting.Concavo-convex relatively profile can the impact switch rod along with drive shaft turns the time for rotating disk 1, switch rod 2 is arranged on the truss 4 of escalator or moving sidewalk rotationally, in Fig. 1-4, be set with support 9 on the truss 4, switch rod 2 is arranged on the support 9 rotationally, by profile impact switch rod 2 concavo-convex relatively on the rotating disk 1, driving switch rod 2 rotates.Electromagnet 5 is arranged on the truss 4 of escalator or moving sidewalk, electromagnet 5 has the contact 6 that can stretch, be set with safety switch 8 by adapter plate 7 on the contact 6, safety switch 8 is positioned at a side of switch rod 2, switch rod 2 can strike safety switch 8 when a certain direction is rotated like this, send signal out of service after safety switch 8 is knocked, escalator or moving sidewalk are stopped; If switch rod 2 rotates in the opposite direction, then switch rod 2 can be away from safety switch 8, and safety switch 8 can be touched.Contact 6 on the electromagnet 5 has elongation state and contraction state, is applicable to the situation of escalator or moving sidewalk upstream or downstream.When escalator or moving sidewalk are descending, be in one of them state of elongation state and contraction state corresponding to contact 6, make the safety switch 8 on the contact 6 break away from the rotation path of switch rods 2, when rotating disk 1 clockwise rotates along with axle drive shaft when descending like this, though profile concavo-convex relatively on the rotating disk 1 is understood impact switch rod 2, as Fig. 1, but safety switch 8 keeps breaking away from the rotation path of switch rod 2, make safety switch 8 can not struck by switch rod 2, this anti-kickback device can not have influence on the normally descending of escalator or moving sidewalk like this; When escalator or moving sidewalk are up, contact 6 on the electromagnet 5 is in the another one state at this moment, make the safety switch 8 on the contact 6 be on the rotation path of switch rod 2, when rotating disk 1 rotates counterclockwise along with axle drive shaft when up, as shown in Figure 2, though profile concavo-convex relatively on the rotating disk 1 is understood impact switch rod 2, make switch rod 2 rotate, but switch rod 2 is to rotate towards the direction away from safety switch 8, so safety switch 8 can not struck by switch rod 2, guarantee the normally up of escalator or moving sidewalk, in case the reverse of non-manipulation type takes place in actuating device, namely escalator or moving sidewalk by up be reversed into suddenly descending, the axle drive shaft band rotating disk 1 and is clockwise rotated suddenly, then concavo-convex relatively profile is understood impact switch rod 2 on the rotating disk 1, makes switch rod 2 rotate towards safety switch 8, bump safety switch 8, after safety switch 8 is touched, send signal out of service, escalator or moving sidewalk in time stop, and guarantee passenger's safety.Elastic component 11 is used for providing switch rod 2 elastic-restoring forces to make switch rod 2 be knocked rotation back return, up reverse takes place suddenly in case guarantee escalator or moving sidewalk, after then switch rod 2 is struck by the profile of rotating disk 1, can in time strike safety switch 8, in time stop the operation of escalator or moving sidewalk.In order to reduce 2 o'clock sound of rotating disk 1 impact switch rod, an end of switch rod 2 is equipped with plastic jacket 3, is clashed into by the concavo-convex relatively profile of rotating disk 1 by plastic jacket 3.
In Fig. 1-4, the support 9 that is arranged on the truss is provided with a pair of regulating part 10 that can move, and this regulating part 10 is used for the length of adjusting elastic component 11, namely regulates the elastic force of elastic component 11, elastic component 11 adopts spring, and the moving direction of regulating part 10 extends along the length direction of elastic component 11.A pair of regulating part 10 respectively and be provided with lockout mechanism for this regulating part 10 of location between the support 9, this lockout mechanism comprises the tapped bore that is opened on the support 9, be opened on the regulating part 10 and the slide opening that extends along its moving direction, can pass slide opening and screw then in the tapped bore regulating part 10 is pressed on the screw on the support 9.Be set with attaching parts 14 on the switch rod 2, attaching parts 14 is between a pair of regulating part 10, a pair of regulating part 10, attaching parts 14 all offers perforation on corresponding position, a pair of regulating part 10, passed screw rod 12 in the perforation of attaching parts 14, elastic component 11 has a pair of, elastic component 11 adopts spring, pair of resilient members 11 all is set on the screw rod 12, and lay respectively between a pair of regulating part 10 and the attaching parts 14, specifically, the two ends of one of them elastic component 11 are pressed on respectively on the side of a regulating part 10 and attaching parts 14, the two ends of another one elastic component 11 are pressed on respectively on the opposite side of another one regulating part 10 and attaching parts 14, and screw rod 12 stretches out on the position of a pair of regulating part 10 and is combined with captive nut 13.By the nut 13 on mobile regulating part 10 and the mobile screw 12, realize the length adjustment of elastic component 11.After switch rod 2 was rotated by cw or the rotating disk that rotates counterclockwise 1 bump, by the attaching parts 14 on the switch rod 2, under the elastic-restoring force effect of elastic component 11, switch rod 2 rotated returns.
To sum up, the anti-kickback device on this escalator or the moving sidewalk is realized up anti-reversing function by physical construction and safety switch, and this anti-kickback device cost is low, stable and reliable operation.
Claims (7)
1. the up anti-kickback device of escalator or moving sidewalk, it is characterized in that: comprise being fixedly installed on on the axle drive shaft that drives the operation of described escalator or moving sidewalk and along the rotating disk of the concavo-convex relatively setting of circumferential direction profile, thereby can be arranged on the switch rod that also can be rotated by concavo-convex relatively described profile bump on the truss of described escalator or moving sidewalk rotationally, be arranged on the truss of described escalator or moving sidewalk and have the electromagnet of the contact that can stretch, a side that is fixedly installed on the described contact and is positioned at described switch rod can be touched by this switch rod and be sent the safety switch that stops described escalator or moving sidewalk run signal then, described contact has elongation state and contraction state, when described contact was in one of them state of elongation state and contraction state, the safety switch on the described contact was on the rotation path of described switch rod; When described contact was in the another one state, described safety switch broke away from the rotation path of described switch rod.
2. the up anti-kickback device of escalator according to claim 1 or moving sidewalk is characterized in that: described up anti-kickback device also comprises can provide described switch rod elastic-restoring force to make this switch rod be knocked the elastic component that rotates the back return.
3. the up anti-kickback device of escalator according to claim 2 or moving sidewalk, it is characterized in that: described truss is provided with support, described support is provided with a pair of regulating part that can move, described a pair of regulating part respectively and be provided with between the described support for the location this regulating part lockout mechanism, described switch rod can be arranged on the described support rotationally, be set with attaching parts on the described switch rod, described attaching parts is between described a pair of regulating part, described elastic component has a pair of, the two ends of one of them described elastic component are pressed on respectively on the side of a described regulating part and described attaching parts, the two ends of the described elastic component of another one are pressed on respectively on the opposite side of the described regulating part of another one and described attaching parts, and the moving direction of described regulating part extends along the length direction of described elastic component.
4. the up anti-kickback device of escalator according to claim 3 or moving sidewalk, it is characterized in that: described a pair of regulating part, described attaching parts all offer perforation on corresponding position, passed screw rod in the perforation of described a pair of regulating part, described attaching parts, described elastic component adopts spring, a pair of described spring all is set on the described screw rod, and lay respectively between described a pair of regulating part and the described attaching parts, described screw rod stretches out on the position of described a pair of regulating part and is combined with captive nut.
5. the up anti-kickback device of escalator according to claim 3 or moving sidewalk is characterized in that: described lockout mechanism comprises the tapped bore that is opened on the described support, be opened on the described regulating part and the slide opening that extends along its moving direction, can pass described slide opening and screw then in the described tapped bore described regulating part is pressed on the screw on the described support.
6. the up anti-kickback device of escalator according to claim 1 or moving sidewalk is characterized in that: an end of described switch rod is equipped with for by the plastic jacket of described concavo-convex relatively profile bump.
7. the up anti-kickback device of escalator according to claim 1 or moving sidewalk is characterized in that: the circular, circumferential profile of described rotating disk is recessed to form described concavo-convex relatively profile in the position of carrying out symmetry according to center of turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110384851 CN102398847B (en) | 2011-11-28 | 2011-11-28 | Upward movement anti-reversion device for escalator or moving sidewalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110384851 CN102398847B (en) | 2011-11-28 | 2011-11-28 | Upward movement anti-reversion device for escalator or moving sidewalk |
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| Publication Number | Publication Date |
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| CN102398847A CN102398847A (en) | 2012-04-04 |
| CN102398847B true CN102398847B (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110384851 Active CN102398847B (en) | 2011-11-28 | 2011-11-28 | Upward movement anti-reversion device for escalator or moving sidewalk |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104817008B (en) * | 2015-03-26 | 2018-07-31 | 河南省特种设备安全检测研究院 | A kind of method and apparatus that carrying detects frequency-variable staircase and pavement reversal protection |
| CN106743246A (en) * | 2016-12-21 | 2017-05-31 | 北方重工集团有限公司 | A kind of adjusting apparatus during walking single wheel offset track center |
| CN110615345B (en) * | 2019-09-11 | 2024-05-28 | 吴江市苏奥电梯配件有限公司 | Escalator or moving walk with reduced reverse ride |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201193177Y (en) * | 2007-10-31 | 2009-02-11 | 苏州新达电扶梯部件有限公司 | Mechanical anti-reversion safety protection device for escalator or moving sidewalk |
| CN201777769U (en) * | 2010-08-23 | 2011-03-30 | 浙江凌志电梯有限公司 | Non-manipulation anti-reverse rotation protection device for escalator |
| CN202321930U (en) * | 2011-11-28 | 2012-07-11 | 江南嘉捷电梯股份有限公司 | Ascending anti-reversal device for escalator or moving sidewalk |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011057362A (en) * | 2009-09-09 | 2011-03-24 | Hitachi Ltd | Passenger conveyor |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201193177Y (en) * | 2007-10-31 | 2009-02-11 | 苏州新达电扶梯部件有限公司 | Mechanical anti-reversion safety protection device for escalator or moving sidewalk |
| CN201777769U (en) * | 2010-08-23 | 2011-03-30 | 浙江凌志电梯有限公司 | Non-manipulation anti-reverse rotation protection device for escalator |
| CN202321930U (en) * | 2011-11-28 | 2012-07-11 | 江南嘉捷电梯股份有限公司 | Ascending anti-reversal device for escalator or moving sidewalk |
Non-Patent Citations (1)
| Title |
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| JP特开2011-57362A 2011.03.24 |
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| CN102398847A (en) | 2012-04-04 |
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Effective date of registration: 20180420 Address after: 215122 Suzhou Industrial Park, Suzhou Province, the only new road, No. 28, Jiangsu Patentee after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu Address before: 718 No. 215122 Jiangsu Province, Suzhou City Industrial Park Fengting Avenue Patentee before: SJEC Corporation |
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