CN203428679U - Safety device for avoiding lift accidents - Google Patents

Safety device for avoiding lift accidents Download PDF

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Publication number
CN203428679U
CN203428679U CN201320513781.5U CN201320513781U CN203428679U CN 203428679 U CN203428679 U CN 203428679U CN 201320513781 U CN201320513781 U CN 201320513781U CN 203428679 U CN203428679 U CN 203428679U
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CN
China
Prior art keywords
controller
switch
fixed
latch segment
car
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CN201320513781.5U
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Chinese (zh)
Inventor
张磊
洪浩
王伟峰
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SHANGHAI WEIPINLAI MECHATRONICS TECHNOLOGY CO LTD
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SHANGHAI WEIPINLAI MECHATRONICS TECHNOLOGY CO LTD
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Abstract

The utility model discloses a safety device for avoiding lift accidents. The safety device comprises a trigger device, an executing device and a linkage device, wherein trigger device is used for identifying the opening state of a lift car door, the executing device is used for immediately locking a lift car when the lift car accidently moves under the state that the lift car door is not closed, and the linkage device enables the trigger device to be in linkage with the executing device. An electric detecting structure is adopted in the trigger device, a locking block type locking structure is adopted in the executing device, and an electrical control structure is adopted in the linkage device. The safety device for avoiding lift accidents can detect whether accidental movement happens to the lift car in time and can immediately take a safety protection measure of locking the lift car when the mechanism detects that the accident movement happens to the lift car, thereby being of great significance to protecting safety of lift equipment and personal safety of passengers. Particularly, the safety device for avoiding lift accidents has the advantages of being simple in structure, safe, reliable, convenient and flexible to install and the like, and has remarkable and practical value to improving safety of an existing lift.

Description

Prevent the unexpected safety device of elevator
Technical field
The utility model relates to and prevents the unexpected safety device of elevator, belongs to elevator safety technical field.
Background technology
At present, safety precautions about elevator, mainly at equipment relevant position installation and measuring switch, when car being detected and open the door, system can not send car movement signal, only have when car door being detected and close, system just sends car movement signal, and now lift car can rise or decline; If but arbitrary parts et out of order and malfunctioning in the elevator main that elevator safety motion is relied on or drive system, the car movement that just may meet accident, also will cause passenger by the serious consequence of sudden hurt accident.
In recent years, there is the safety misadventure causing because of elevator faults in China much more, the injury that while wherein not closing completely with gate, car accidental movement causes the most outstanding, if passenger is broken down when turnover elevator, its consequence is exactly the shearing directly causing passenger's body, and consequence is quite serious.Therefore, this area is badly in need of solving and is detected how in time the accidental movement of elevator cage occurring and when there is accidental movement of elevator cage, how to take the safety precaution problems such as safety method when gate is not closed completely.
Utility model content
The problems referred to above that exist for prior art; the purpose of this utility model be to provide a kind of can detect in time when gate is not closed completely the accidental movement of elevator cage that occurs and can be at once when generation accidental movement of elevator cage car be carried out to locking prevent the unexpected safety device of elevator; further to improve the safety of existing elevator; realize and farthest reduce the security risk that elevator surprisingly causes, effectively protect the safety of lift facility and passenger's personal safety.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of unexpected safety device of elevator that prevents, comprise: a kind of flip flop equipment of identifying elevator cage door opening and a kind ofly do not meet accident under closed condition when mobile at elevator cage door, carries out executive device and a kind of linkage that makes flip flop equipment and executive device that interlock occur of locking immediately to car; It is characterized in that: described flip flop equipment adopts detection of electrons structure, described executive device adopts latch segment formula locking structure; Described linkage adopts electric control structure.
As a kind of preferred version, described detection of electrons structure comprises detecting device and controller A, and described detecting device is electrically connected to controller A; Described latch segment formula locking structure comprises guide plate, latch segment, pipe link and electromagnet assembly, on described guide plate, is provided with guide groove, described latch segment and guide groove sliding block joint; One end of described pipe link is connected with latch segment, and its other end is connected with car; One end of described electromagnet assembly is connected with pipe link; Described linkage comprises two detector switches, controller B, fixed link, adapter plate and swing arm, and described detector switch is fixed on adapter plate, and is electrically connected to controller B; Described controller B is connected with the ferroelectric electrical component of described electromagnetism simultaneously; The structure of described fixed link and fixed position are as long as form engomphosis relation with swing arm; Described adapter plate is fixed on car, with swing arm pin joint; On described swing arm, be connected with electromagnet C, described electromagnet C is electrically connected to controller A.
As further preferred version, described detecting device comprises non-contact type detector switch (such as electromagnetic switch, photoelectric switch, approach switch etc.) and positioning baffle, and described non-contact type detector switch is fixed on a machine, and is electrically connected to controller A; Described positioning baffle is fixed on gate link plate.
As further preferred version, described detecting device comprise contact detector switch (such as: switch with mechanical contacts etc.) and switch contact, described contact detector switch is fixed on a machine, and is electrically connected to controller A; Described switch contact is fixed on gate link plate.
As further preferred version, described detecting device comprises door switch, door zone position detector switch and switch check-out console; The mobile terminal of described door switch is fixed on gate link plate, and the fixed end of described door switch is fixed on a machine, and is electrically connected to controller A; Described door zone position detector switch is fixed on car, and is electrically connected to controller A; Described switch check-out console is fixed on hoistway inwall.
As further preferred version, described latch segment formula locking structure is the vertical symmetrical structures of two components, and every group includes guide plate, latch segment, pipe link and electromagnet A/B, on described guide plate, is provided with guide groove, described latch segment and guide groove sliding block joint; One end of described pipe link is connected with latch segment, and the other end and car are hinged; One end of described electromagnet A/B is connected with pipe link, and the other end is electrically connected to controller B.
As preferred version further, described latch segment is roller or voussoir.
As preferred version further, on described pipe link, be also provided with spring, one end of described spring is hinged on car.
As further preferred version, the described unexpected safety device of elevator that prevents also comprises a kind of executing state detecting device, and the signal output part of described executing state detecting device is electrically connected to elevator main controller.
As preferred version further, described executing state detecting device is 2 detector switches.
Above-mentioned detector switch all can be non-contact type detector switch or the contact detector switches such as electromagnetic switch, photoelectric switch, approach switch.
Compared with prior art, due to what the utility model provided, prevent the unexpected safety device of elevator, comprise: a kind of flip flop equipment of identifying elevator cage door opening and a kind ofly do not meet accident under closed condition when mobile at elevator cage door, carries out executive device and a kind of linkage that makes flip flop equipment and executive device that interlock occur of locking immediately to car; Therefore, the utility model can detect in time the accidental movement of elevator cage occurring when gate is not closed completely and can to car, carry out at once the safety precaution of locking when there is accidental movement of elevator cage, improved the safety of existing elevator, realized and farthest reduced the security risk that elevator surprisingly causes, significant to the protection safety of lift facility and passenger's personal safety; Especially, safety device described in the utility model has the advantage such as flexibly simple in structure, safe and reliable, easy for installation, can, without being installed in devastatingly in existing lift facility, to improving and improve the safety of existing elevator, have significance practical value.
Accompanying drawing explanation
Fig. 1, Fig. 2 and Fig. 3 have shown a kind of structural representation that prevents the unexpected safety device of elevator that embodiment 1 provides;
Fig. 4, Fig. 5 and Fig. 6 have shown safety device that embodiment 1 the provides working state structure schematic diagram when there is accidental movement of elevator cage;
Fig. 7 is the structural representation of the flip flop equipment that provides of embodiment 2 when initial condition;
Fig. 8 is the structural representation of the flip flop equipment that provides of embodiment 2 in working order time;
Fig. 9 and Figure 10 are the structural representations of the flip flop equipment that provides of embodiment 3;
Figure 11 is a kind of structural representation that prevents the unexpected safety device of elevator that embodiment 4 provides;
Figure 12 is a kind of structural representation that prevents the unexpected safety device of elevator that embodiment 5 provides;
Figure 13 is the working state structure schematic diagram of the safety device that provides of embodiment 5 when there is accidental movement of elevator cage;
Figure 14 is a kind of structural representation that prevents the unexpected safety device of elevator that embodiment 6 provides.
In figure: 1, flip flop equipment; 11, detecting device; 111, non-contact type detector switch; 112, positioning baffle; 113, contact detector switch; 114, switch contact; 115, the mobile terminal of door switch; 116, the fixed end of door switch; 117, door zone position detector switch; 118, switch check-out console; 12, controller A; 2, executive device; 21, guide plate; 22, guide groove; 221, guide groove A; 222, guide groove B; 23, latch segment; 231, latch segment A; 232, latch segment B; 24, pipe link; 241, pipe link A; 242, pipe link B; 25, electromagnet assembly; 251, electromagnet A; 252, electromagnet B; 26, spring; 3, linkage; 31, detector switch A; 32, detector switch B; 33, fixed link; 34, adapter plate; 35, controller B; 36, swing arm; 37, electromagnet C; 4, executing state detecting device; 41, detector switch C; 42, detector switch D; 5, gate; 6, car; 7, Room door; 8, gate link plate; 9, door machine; 10, fixed guide.
The specific embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is elaborated further:
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3: a kind of unexpected safety device of elevator that prevents that the present embodiment provides, comprise: a kind of flip flop equipment 1 of identifying elevator cage door opening and a kind ofly do not meet accident under closed condition when mobile at elevator cage door, carries out executive device 2 and a kind of linkage 3 that makes flip flop equipment 1 and executive device 2 that interlock occur of locking immediately to car; Described flip flop equipment 1 adopts detection of electrons structure, comprise detecting device 11 and controller A 12, described detecting device 11 comprises non-contact type detector switch 111(such as electromagnetic switch, photoelectric switch, approach switch etc.) and positioning baffle 112, described non-contact type detector switch 111 is fixed on a machine 9, and is electrically connected to controller A 12; Described positioning baffle 112 is fixed on gate link plate 8; Described executive device 2 adopts latch segment formula locking structure, comprises guide plate 21, latch segment 23, pipe link 24 and electromagnet assembly 25, on described guide plate 21, is provided with guide groove 22, described latch segment 23 and guide groove 22 sliding block joints; One end of described pipe link 24 is connected with latch segment 23, its other end and car 6 pin joints; One end of described electromagnet assembly 25 is connected with pipe link 24; Described linkage 3 adopts electric control structure, comprise detector switch A 31, detector switch B 32, fixed link 33, adapter plate 34, controller B 35 and swing arm 36, detector switch A 31 and detector switch B 32 are fixed on adapter plate 34, and are electrically connected to controller B 35; Described controller B 35 is electrically connected to the ferroelectric assembly 25 of described electromagnetism simultaneously; The structure of described fixed link 33 and fixed position will form engomphosis relation with swing arm 36; Described adapter plate 34 is fixed on car 6, with swing arm 36 pin joints; On described swing arm 36, be connected with electromagnet C 37, described electromagnet C 37 is electrically connected to controller A 12.
As a kind of preferred version, the described unexpected safety device of elevator that prevents also comprises a kind of executing state detecting device 4, described executing state detecting device 4 is detector switch C 41 and detector switch D 42, and the signal output part of detector switch C 41 and detector switch D 42 is electrically connected to elevator main controller (not shown).
Above-mentioned detector switch A 31, detector switch B 32, detector switch C 41 and detector switch D 42 all can be non-contact type detector switch or the contact detector switches such as electromagnetic switch, photoelectric switch, approach switch.
As shown in Figure 4, Figure 5 and Figure 6: when gate 5 is opened, gate link plate 8 moves to the direction of opening the door, positioning baffle 112 is along with gate link plate 8 moves away from non-contact type detector switch 111, this Time Controller 12 receives the separating signal that non-contact type detector switch 111 sends, give immediately electromagnet C 37 energisings, electromagnet C 37 electric post-tensioning movable pendulum lever 36 with fixed link 33 in chimerism.
If there is downward accidental movement in car 6 now, adapter plate 34 can be connected with car 6 because of it, make it along with car 6 moves down together, now one end of swing arm 36 and fixed link 33 bump, rotate, the downward touch control detection switch A 31 of other end meeting, detector switch A 31 sends to controller B 35 by signal, controller B 35 is after processing signals, give electromagnet assembly 25 energisings, pipe link 24 is subject to pulling of electromagnet assembly 25, drive latch segment 23 along guide groove 22 upward slidings of guide plate 21, finally make latch segment 23 be locked on fixed guide 10, make car 6 stop downward accidental movement, meanwhile, pipe link 24 can detection trigger switch C 41 in when work, and its working state signal is sent in outside elevator main controller (not shown), informs that described executive device works.
Otherwise when up accidental movement occurs car 6, relevant linkage 3 and the equal reverse operation of executive device 2, to pin car 6; Meanwhile, pipe link 24, at when work detection trigger switch D 42, sends in outside elevator main controller (not shown) its working state signal, informs that described executive device works.
Embodiment 2
As shown in Figure 7 and Figure 8, the difference of the present embodiment and embodiment 1 is only: described detecting device 11 comprise contact detector switch 113(such as: switch with mechanical contact etc.) and switch contact 114, described contact detector switch 113 is fixed on a machine 9, and is electrically connected to controller A 12; Described switch contact 114 is fixed on gate link plate 8.
When gate 5 is opened, gate link plate 8 moves to the direction of opening the door, switch contact 114 is along with gate link plate 8 moves away from contact detector switch 113, this Time Controller A 12 receives the separating signal that contact detector switch 113 sends, give immediately electromagnet C 37 energisings, electromagnet C 37 electric post-tensioning movable pendulum lever 36 with fixed link 33 in chimerism.If now there is the accidental movement of car, the working process of safety device will be with identical described in embodiment 1 described in the present embodiment.
Embodiment 3
As shown in Figure 9 and Figure 10, the difference of the present embodiment and embodiment 1 is only: described detecting device 11 comprises door switch, door zone position detector switch 117 and switch check-out console 118; The mobile terminal 115 of described door switch is fixed on gate link plate 8, and the fixed end 116 of described door switch is fixed on a machine 9, and is electrically connected to controller A 12; Described door zone position detector switch 117 is fixed on car 6, and is electrically connected to controller A 12; Described switch check-out console 118 is fixed on hoistway inwall.
When car 6 runs to after assigned address, door zone position detector switch 117 senses switch check-out console 118, and door zone position detector switch 117 is given controller A 12 signals, illustrates that car 6 has arrived assigned address, and now gate 5 is opened; When gate 5 is opened, gate link plate 8 moves to the direction of opening the door, door switch mobile terminal 115 is thrown off by original and door switch fixed end 116 contact conditions, this Time Controller A 12 receives the signal and a signal for zone position detector switch 117 that gate 5 is opened simultaneously, give immediately electromagnet C 37 energisings, electromagnet C 37 electric post-tensioning movable pendulum lever 36 with fixed link 33 in chimerism.If now there is the accidental movement of car, the working process of safety device will be with identical described in embodiment 1 described in the present embodiment.
Embodiment 4
As shown in figure 11: the difference that prevents the unexpected safety device of elevator and embodiment 1 that the present embodiment provides is only: the latch segment 23 in executive device replaces with Wedge-type by roller type, all the other contents are all with shown in embodiment 1.
Embodiment 5
As shown in Figures 12 and 13: the executive device that the present embodiment provides is the vertical symmetrical structures of two components, every group includes guide plate 21, roller type latch segment 23, pipe link 24, electromagnet 25 and spring 26, on described guide plate 21, be provided with guide groove 22, described roller type latch segment 23 and guide groove 22 sliding block joints; One end of described pipe link 24 is connected with roller type latch segment 23, and the other end and car 6 are hinged; One end of described electromagnet 25 is connected with pipe link 24, and the other end is electrically connected to controller B 35; One end of described spring 26 is connected with pipe link 24, and the other end is hinged on car 6; Flip flop equipment in the present embodiment can be selected any one described in embodiment 1-3.
If downward accidental movement occurs for car 6, detecting device 11 can send signal to controller A 12, when controller A 12 receives after signal, can give immediately electromagnet C 37 energisings, electromagnet C 37 electric post-tensioning movable pendulum lever 36 with fixed link 33 in chimerism.
If there is downward accidental movement in car 6 now, adapter plate 34 can be connected with car 6 because of it, make it along with car 6 moves down together, now one end of swing arm 36 and fixed link 33 bump, rotate, the downward touch control detection switch A 31 of other end meeting, detector switch A 31 sends to controller B 35 by signal, controller B 35 is after processing signals, give electromagnet 251 energisings, pipe link 241 is subject to pulling of electromagnet 251, drive latch segment 231 along guide groove 221 upward slidings of guide plate 21, finally make latch segment 231 be locked on fixed guide 10, make car 6 stop downward accidental movement, meanwhile, pipe link 241 can detection trigger switch C 41 in when work, and its working state signal is sent in outside elevator main controller (not shown), informs that described executive device works.
Otherwise, when there is up accidental movement in car 6, adapter plate 34 can be connected with car 6 because of it, make it along with car 6 moves up together, now one end of swing arm 36 and fixed link 33 bump, rotate, the other end touch control detection switch B 32 that can make progress, detector switch B 32 sends to controller B 35 by signal, controller B 35 is after processing signals, give electromagnet 252 energisings, pipe link 242 is subject to pulling of electromagnet 252, drive latch segment 232 along guide groove 222 down slidings of guide plate 21, finally make latch segment 232 be locked on fixed guide 10, make car 6 stop upwards accidental movement, meanwhile, pipe link 242 can detection trigger switch D 42 in when work, and its working state signal is sent in outside elevator main controller (not shown), informs that described executive device works.
Embodiment 6
As shown in figure 14: the difference that prevents the unexpected safety device of elevator and embodiment 5 that the present embodiment provides is only: latch segment 231 and latch segment 232 in executive device replace with Wedge-type by roller type; All the other contents are all with shown in embodiment 5.
In sum, due to what the utility model provided, prevent the unexpected safety device of elevator, comprise: a kind of flip flop equipment of identifying elevator cage door opening and a kind ofly do not meet accident under closed condition when mobile at elevator cage door, carries out executive device and a kind of linkage that makes flip flop equipment and executive device that interlock occur of locking immediately to car; Therefore, the utility model can detect in time the accidental movement of elevator cage occurring when gate is not closed completely and can to car, carry out at once the safety precaution of locking when there is accidental movement of elevator cage, improved the safety of existing elevator, realized and farthest reduced the security risk that elevator surprisingly causes, significant to the protection safety of lift facility and passenger's personal safety; Especially, safety device described in the utility model has the advantage such as flexibly simple in structure, safe and reliable, easy for installation, can be without being installed in devastatingly in existing lift facility, highly versatile, has significance practical value to improving and improve the safety of existing elevator.
Finally be necessary to be pointed out that at this; above-mentioned explanation is only for being described in further detail the technical solution of the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to foregoing of the present utility model and adjustment all belong to protection domain of the present utility model.

Claims (9)

1. one kind prevents the unexpected safety device of elevator, comprise: a kind of flip flop equipment of identifying elevator cage door opening and a kind ofly do not meet accident under closed condition when mobile at elevator cage door, carries out executive device and a kind of linkage that makes flip flop equipment and executive device that interlock occur of locking immediately to car; It is characterized in that: described flip flop equipment adopts detection of electrons structure, described executive device adopts latch segment formula locking structure; Described linkage adopts electric control structure; Described detection of electrons structure comprises detecting device and controller A, and described detecting device is electrically connected to controller A; Described latch segment formula locking structure comprises guide plate, latch segment, pipe link and electromagnet assembly, on described guide plate, is provided with guide groove, described latch segment and guide groove sliding block joint; One end of described pipe link is connected with latch segment, and its other end is connected with car; One end of described electromagnet assembly is connected with pipe link; Described linkage comprises two detector switches, controller B, fixed link, adapter plate and swing arm, and described detector switch is fixed on adapter plate, and is electrically connected to controller B; Described controller B is connected with the ferroelectric electrical component of described electromagnetism simultaneously; Described adapter plate is fixed on car, with swing arm pin joint; On described swing arm, be connected with electromagnet C, described electromagnet C is electrically connected to controller A.
2. safety device as claimed in claim 1, is characterized in that: described detecting device comprises non-contact type detector switch and positioning baffle, and described non-contact type detector switch is fixed on a machine, and is electrically connected to controller A; Described positioning baffle is fixed on gate link plate.
3. safety device as claimed in claim 1, is characterized in that: described detecting device comprises contact detector switch and switch contact, and described contact detector switch is fixed on a machine, and is electrically connected to controller A; Described switch contact is fixed on gate link plate.
4. safety device as claimed in claim 1, is characterized in that: described detecting device comprises door switch, door zone position detector switch and switch check-out console; The mobile terminal of described door switch is fixed on gate link plate, and the fixed end of described door switch is fixed on a machine, and is electrically connected to controller A; Described door zone position detector switch is fixed on car, and is electrically connected to controller A; Described switch check-out console is fixed on hoistway inwall.
5. safety device as claimed in claim 1, it is characterized in that: described latch segment formula locking structure is the vertical symmetrical structures of two components, every group includes guide plate, latch segment, pipe link and electromagnet A/B, on described guide plate, be provided with guide groove, described latch segment and guide groove sliding block joint; One end of described pipe link is connected with latch segment, and the other end and car are hinged; One end of described electromagnet A/B is connected with pipe link, and the other end is electrically connected to controller B.
6. the safety device as described in claim 1 or 5, is characterized in that: described latch segment is roller or voussoir.
7. the safety device as described in claim 1 or 5, is characterized in that: on described pipe link, be also provided with spring, one end of described spring is hinged on car.
8. the safety device as described in any one in claim 1-5, is characterized in that: described safety device also comprises a kind of executing state detecting device, and the signal output part of described executing state detecting device is electrically connected to elevator main controller.
9. safety device as claimed in claim 8, is characterized in that: described executing state detecting device is 2 detector switches.
CN201320513781.5U 2013-08-21 2013-08-21 Safety device for avoiding lift accidents Withdrawn - After Issue CN203428679U (en)

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Application Number Priority Date Filing Date Title
CN201320513781.5U CN203428679U (en) 2013-08-21 2013-08-21 Safety device for avoiding lift accidents

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Application Number Priority Date Filing Date Title
CN201320513781.5U CN203428679U (en) 2013-08-21 2013-08-21 Safety device for avoiding lift accidents

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103420242A (en) * 2013-08-21 2013-12-04 上海微频莱机电科技有限公司 Safety device for preventing lift accidents
CN105836586A (en) * 2016-06-17 2016-08-10 河南省特种设备安全检测研究院新乡分院 Length-adjustable acoustic-optical device preventing elevator door from being automatically closed

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103420242A (en) * 2013-08-21 2013-12-04 上海微频莱机电科技有限公司 Safety device for preventing lift accidents
CN105836586A (en) * 2016-06-17 2016-08-10 河南省特种设备安全检测研究院新乡分院 Length-adjustable acoustic-optical device preventing elevator door from being automatically closed
CN105836586B (en) * 2016-06-17 2017-11-10 河南省特种设备安全检测研究院新乡分院 Adjustable length acousto-optic type prevents elevator door self-closing device

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Granted publication date: 20140212

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