CN102285576A - Step-tripping safety protection device for escalators - Google Patents
Step-tripping safety protection device for escalators Download PDFInfo
- Publication number
- CN102285576A CN102285576A CN2011102378459A CN201110237845A CN102285576A CN 102285576 A CN102285576 A CN 102285576A CN 2011102378459 A CN2011102378459 A CN 2011102378459A CN 201110237845 A CN201110237845 A CN 201110237845A CN 102285576 A CN102285576 A CN 102285576A
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- escalator
- support
- hook
- guide rail
- self
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Abstract
The invention discloses a step-tripping safety protection device for escalators, and the device provided by the invention comprises a fixed frame and a hitch frame, wherein the fixed frame is arranged on a drive uniwafer, and the hitch frame is connected with a step of an escalator; the fixed frame is fixedly connected with an emergency guide rail by virtue of a bolt, the hitch frame is fixedly connected with a step hook, and the locking end of the step hook is hooked on the emergency guide rail; a first support is arranged on the emergency guide rail, and the first support is provided with a bending groove; a screw rod between the bolt and the emergency guide rail is provided with a spring; and a second support is fixedly arranged on the drive uniwafer, the free end of the second support is fixedly provided with a self-locking contact switch, contacts of the self-locking contact switch are arranged in the bending groove of the first support, and the self-locking contact switch is electrically connected with a control system of the escalator. The device disclosed by the invention can achieve a protection effect safely and reliably.
Description
Technical field
The present invention relates to a kind of elevator, jump safety guard on particularly a kind of escalator step.
Background technology
Escalator, when operation, when the step rising runs to top, the phenomenon of jumping on one of them step may appear between step and the step, then make the script of escalator remain on the highly different jump of conplane several step existence, thereby the people's of escalator safety is taken in influence, even to taking the artificial one-tenth personal injury of escalator.Therefore; escalator generally all is provided with and jumps safety guard on the step, and when jumping on escalator step, the step of jumping is lived in compacting by force; make originally to remain on conplane several step and the jump that highly do not wait can not occur, thereby the people's of escalator safety is taken in guarantee.
Jump safety guard on the escalator step of prior art; comprise being fixed on the fixed mount that drives on the monolithic, the drawbar frame of traction step is fixedly connected on the urgent guide rail on the fixed mount; be installed with the step hook on the drawbar frame, the latch hook end hook of step hook is on urgent guide rail.Its principle of work is: when the step wheel of escalator ran to correct location track, the phenomenon of jumping can not appear in the step of escalator; When the step wheel of escalator runs to the off-square location track, the phenomenon of jumping may appear in the step of escalator, at this moment, drawbar frame is upwards or when moving downward, driving the step hook is synchronized with the movement, but because step hook one end is fixed on the drawbar frame, the other end is hooked on the urgent guide rail, therefore, drawbar frame is compressed on the correct location track by force by the step hook, the step of escalator is remained on the same plane, thereby eliminated the fault of jumping on the step of escalator, and then ensured the people's who takes escalator safety.
The shortcoming of jumping safety guard on this kind escalator step is: after escalator occurs going up the step of jumping; the step of escalator is compressed on the correct location track by force; can there be jump in the several steps that make escalator remain on same plane originally; but escalator still is in running state; when drawbar frame is excessive by the tractive force of step wheel drive; may destroy and jump safety guard on the escalator step; so that escalator damages; thereby the people's of escalator safety is taken in influence, even to taking the artificial one-tenth personal injury of escalator.That is to say, jump safety guard on this kind escalator step and still have potential safety hazard.
Summary of the invention
Technical matters to be solved by this invention is to provide on a kind of safe and reliable escalator step and jumped safety guard.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: jump safety guard on a kind of escalator step, comprise being fixedly mounted on the fixed mount that drives on the monolithic, and with the step bonded assembly drawbar frame of escalator; Described fixed mount has been bolted to connection urgent guide rail, is fixedly connected with the step hook on the described drawbar frame, and the latch hook end hook of described step hook is on described urgent guide rail; Also comprise first support that is installed on the urgent guide rail, described first support is provided with the bending groove; Screw rod between described bolt and the described urgent guide rail is provided with spring; Also be installed with second support on the described driving monolithic, the free end of described second support is installed with the self-holding contact switch, the contact of described self-holding contact switch is installed in the bending groove of described first support, and described self-holding contact switch is connected with the control system circuit of escalator.
Further, the bending groove of described first support is a triangle.
Further, the bending groove of described first support is a circular arc.
Further, described step hook is a right angle hook.
Further, described step hook is a U type hook.
The principle of work of jumping safety guard on the escalator step of the present invention is: when the step wheel of escalator runs to correct location track, owing to the effect of the elastic force of spring does not upwards promote urgent guide rail, then the phenomenon of jumping can not appear in the step of escalator; When the step wheel of escalator runs to the off-square location track, step drives the drawbar frame motion, drawbar frame drives the step hook and moves up, because the latch hook end of step hook is hooked on the urgent guide rail, behind the then urgent guide rail compression spring, urgent guide rail upwards promotes, but the height that urgent guide rail upwards promotes is limited by spring and bolt, therefore, the step of escalator can not gone up jumping, thereby ensures the people's who takes escalator safety.
Simultaneously, because first support is fixed on the urgent guide rail, therefore, first support also is moving upward, the contact that then is installed in the self-holding contact switch on second support breaks away from or skids off the bending groove of first support, the self-locking of self-holding contact switch, control system for escalator detect the self-holding contact switch behind lock signal, send that to stop terraced instruction control escalator out of service.
In sum, jump safety guard on the escalator step of the present invention, when the step of escalator occurs going up the fault of jumping, started the two-stage safety guard-safeguard.First order safety guard-safeguard is: by suppressing the step of escalator by force with drawbar frame and urgent guide rail bonded assembly step hook, make it that fault of jumping not take place.Second stage safety guard-safeguard is: by the self-holding contact switch pass to the control system of escalator from lock signal, make escalator out of service.Therefore, the jumping safety guard is more safe and reliable on the escalator step of the present invention, can ensure the people's who takes escalator safety and life and health.
Description of drawings
Fig. 1 is the structural representation of jumping safety guard on the escalator step of the present invention;
Fig. 2 is the connection structure scheme drawing of self-holding contact switch and first support among Fig. 1;
Fig. 3 is the structural representation of jumping first support of safety guard on the escalator step of the present invention;
Fig. 4 is another structural representation of jumping first support of safety guard on the escalator step of the present invention;
Fig. 5 is the structural representation of jumping the step hook of safety guard on the escalator step of the present invention;
Fig. 6 is the another structural representation of jumping the step hook of safety guard on the escalator step of the present invention;
Fig. 7 jumps the self-holding contact switch of safety guard and the connection diagram of control system on the escalator step of the present invention.
Shown in the figure: 100, drive monolithic, 101, fixed mount, 102, bolt, 103, urgent guide rail, 104, step, 105, drawbar frame, 106, step hook, 107, spring, 108, first support, 1081, bending groove, 109, second support, 110, the self-holding contact switch, 111, the operation guide rail, 112, step wheel, 200, control system.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail:
Please refer to Fig. 1, Fig. 2, Fig. 7, jump safety guard on the escalator step of the present invention, comprise being fixedly mounted on the fixed mount 101 that drives on the monolithic 100, and with the step 104 bonded assembly drawbar frames 105 of escalator; Described fixed mount 101 is fixedly connected with urgent guide rail 103 by bolt 102, is fixedly connected with step hook 106 on the described drawbar frame 105, and the latch hook end hook of described step hook 106 is on described urgent guide rail 103; Also comprise first support 108 that is installed on the urgent guide rail 103, described first support 108 is provided with bending groove 1081; Screw rod between described bolt 102 and the described urgent guide rail 103 is provided with spring 107; Also be installed with second support 109 on the described driving monolithic 100, the free end of described second support 109 is installed with self-holding contact switch 110, the contact of described self-holding contact switch 110 is installed in the bending groove 1081 of described first support 108, and described self-holding contact switch 110 is connected with control system 200 circuit of escalator.
As preferred implementation, the bending groove 1081 of described first support 108 can be triangle, also can be circular arc.The bending groove 1081 of first support 108 is leg-of-mutton among Fig. 3, and the bending groove 1081 of Fig. 4 first support 108 is a circular arc.
As preferred implementation, described step hook 106 can be right angle hook, also can be U type hook.Step hook 106 among Fig. 5 is right angle hooks, and the step hook 106 among Fig. 6 is U type hooks.
The principle of work of jumping safety guard on the escalator step of the present invention is: when the step wheel 112 of escalator runs to correct location track, owing to the effect of the elastic force of spring 107 does not upwards promote urgent guide rail 103, then the phenomenon of jumping can not appear in the step 104 of escalator; When the step wheel 112 of escalator runs to the off-square location track, step 104 drives drawbar frame 105 motions, drawbar frame 105 drives step hook 106 and moves up, because the latch hook end of step hook 106 is hooked on the urgent guide rail 103, behind then urgent guide rail 103 compression springs 107, urgent guide rail 103 upwards promotes, but the height that urgent guide rail 103 upwards promotes is limited by spring 107 and bolt 102, therefore, the step 104 of escalator can not be gone up jumping, thereby ensures the people's who takes escalator safety.
Simultaneously, because first support 108 is fixed on the urgent guide rail 103, therefore, first support 108 also is moving upward, the contact that then is installed in the self-holding contact switch 110 on second support 109 breaks away from or skids off the bending groove 1081 of first support 108,110 self-lockings of self-holding contact switch, control system for escalator 200 detect self-holding contact switch 110 behind lock signal, send that to stop terraced instruction control escalator out of service.The conventional state of self-holding contact switch 110 is an open mode, and self-locking state is a closed condition.
In sum, jump safety guard on the escalator step of the present invention, when the step of escalator occurs going up the fault of jumping, started the two-stage safety guard-safeguard.First order safety guard-safeguard is: by suppressing the step 104 of escalator by force with drawbar frame 105 and urgent guide rail 103 bonded assembly step hooks 106, make it that fault of jumping not take place.Second stage safety guard-safeguard is: by self-holding contact switch 110 pass to the control system 200 of escalator from lock signal, make escalator out of service.Therefore, what the jumping safety guard can be safe and reliable on the escalator step of the present invention plays a protective role, thereby ensures the people's who takes escalator safety and life and health.
Claims (5)
1. jump safety guard on an escalator step, comprise being fixedly mounted on the fixed mount (101) that drives on the monolithic (100), and with step (104) the bonded assembly drawbar frame (105) of escalator; Described fixed mount (101) is fixedly connected with urgent guide rail (103) by bolt (102), is fixedly connected with step hook (106) on the described drawbar frame (105), and the latch hook end hook of described step hook (106) is on described urgent guide rail (103); It is characterized in that: also comprise first support (108) that is installed on the urgent guide rail (103), described first support (108) is provided with bending groove (1081); Screw rod between described bolt (102) and the described urgent guide rail (103) is provided with spring (107); Also be installed with second support (109) on the described driving monolithic (100), the free end of described second support (109) is installed with self-holding contact switch (110), the contact of described self-holding contact switch (110) is installed in the bending groove (1081) of described first support (108), and described self-holding contact switch (110) is connected with control system (200) circuit of escalator.
2. jump safety guard on the escalator step according to claim 1, it is characterized in that: the bending groove (1081) of described first support (108) is a triangle.
3. jump safety guard on the escalator step according to claim 1, it is characterized in that: the bending groove (1081) of described first support (108) is circular arc.
4. jump safety guard on the escalator step according to claim 1, it is characterized in that: described step hook (106) is a right angle hook.
5. jump safety guard on the escalator step according to claim 1, it is characterized in that: described step hook (106) is a U type hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102378459A CN102285576A (en) | 2011-08-18 | 2011-08-18 | Step-tripping safety protection device for escalators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102378459A CN102285576A (en) | 2011-08-18 | 2011-08-18 | Step-tripping safety protection device for escalators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102285576A true CN102285576A (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102378459A Pending CN102285576A (en) | 2011-08-18 | 2011-08-18 | Step-tripping safety protection device for escalators |
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| CN (1) | CN102285576A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359601A (en) * | 2013-06-03 | 2013-10-23 | 苏州汉森电梯有限公司 | Step anti-bounce protection monitoring device |
| CN106392408A (en) * | 2015-08-03 | 2017-02-15 | 鑫诺电梯有限公司 | Welding and locating device for guide rail single chip of escalator |
| CN107934726A (en) * | 2017-11-15 | 2018-04-20 | 日立电梯（广州）自动扶梯有限公司 | Track-type facilities and escalator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS524695U (en) * | 1975-06-26 | 1977-01-13 | ||
| JP2003104679A (en) * | 2001-09-28 | 2003-04-09 | Toshiba Elevator Co Ltd | Footstep abnormality detector |
| CN2721593Y (en) * | 2004-08-18 | 2005-08-31 | 袁华山 | Step of automatic moving staircase |
| US20070205080A1 (en) * | 2006-03-03 | 2007-09-06 | Kurt Streibig | Escalator with novel emergency guide means |
| CN202245660U (en) * | 2011-08-18 | 2012-05-30 | 昆山通祐电梯有限公司 | Step jumping safety protection device for escalator |
-
2011
- 2011-08-18 CN CN2011102378459A patent/CN102285576A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS524695U (en) * | 1975-06-26 | 1977-01-13 | ||
| JP2003104679A (en) * | 2001-09-28 | 2003-04-09 | Toshiba Elevator Co Ltd | Footstep abnormality detector |
| CN2721593Y (en) * | 2004-08-18 | 2005-08-31 | 袁华山 | Step of automatic moving staircase |
| US20070205080A1 (en) * | 2006-03-03 | 2007-09-06 | Kurt Streibig | Escalator with novel emergency guide means |
| CN202245660U (en) * | 2011-08-18 | 2012-05-30 | 昆山通祐电梯有限公司 | Step jumping safety protection device for escalator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359601A (en) * | 2013-06-03 | 2013-10-23 | 苏州汉森电梯有限公司 | Step anti-bounce protection monitoring device |
| CN103359601B (en) * | 2013-06-03 | 2015-06-10 | 苏州汉森电梯有限公司 | Step anti-bounce protection monitoring device |
| CN106392408A (en) * | 2015-08-03 | 2017-02-15 | 鑫诺电梯有限公司 | Welding and locating device for guide rail single chip of escalator |
| CN107934726A (en) * | 2017-11-15 | 2018-04-20 | 日立电梯（广州）自动扶梯有限公司 | Track-type facilities and escalator |
| CN107934726B (en) * | 2017-11-15 | 2019-05-17 | 日立电梯（广州）自动扶梯有限公司 | Escalator |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111221 |