CN104961018A - Safety device for preventing lift car from moving by accident - Google Patents
Safety device for preventing lift car from moving by accident Download PDFInfo
- Publication number
- CN104961018A CN104961018A CN201510393070.2A CN201510393070A CN104961018A CN 104961018 A CN104961018 A CN 104961018A CN 201510393070 A CN201510393070 A CN 201510393070A CN 104961018 A CN104961018 A CN 104961018A
- Authority
- CN
- China
- Prior art keywords
- wheel
- driving
- elevator
- safety device
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
Abstract
The invention discloses a safety device for preventing a lift car from moving by accident. The safety device comprises a transmission device and executing devices. The executing devices are arranged on the upper portion of the same vertical face of a middle transmission belt and the lower portion of the same vertical face of a second transmission belt respectively. A door opening motor operates to drive the executing devices to operate synchronously through the transmission device to enable the lift car to be in the locking state all the time when a lift car door is not closed completely, and serious accidents caused when the lift car of an elevator moves by accident when the lift car door is not closed completely can be avoided totally. The safety device has the advantages of being simple in structure, safe, reliable, convenient to mount and the like, safety risks caused by elevator accidents are lowered to the maximum degree, and the safety device has great significance for safety protection of elevator devices and the personal safety of passengers.
Description
Technical field
The invention belongs to elevator safety technical field, be specially a kind of safety device preventing car accidental movement.
Background technology
In recent years, much more there is the safety misadventure because elevator faults causes in China, the injury that when wherein gate is not closed completely, car accidental movement causes the most outstanding.Be directed to car door system; the fender guards such as main dependence door lock assembly, safety edge, light curtain, when car opens the door, system can not send car movement signal, only has when detecting that car door is closed; system just sends car movement signal, and now elevator can run.But when elevator main, drive system, the arbitrary component malfunction of electric protective device and malfunctioning that elevator safety motion is relied on; just likely send spurious signal; car just may meet accident movement; if there is physical or mechanical faults in elevator in addition; as skidded between traction sheave and hoist ropes; even if fender guard does not send car movement signal; car also can descend scooter; there is gate and open car accidental movement accident; if passenger is broken down when passing in and out elevator; its consequence directly will cause the personal injury of passenger, and consequence is very serious.
Summary of the invention
For prior art Problems existing; the object of this invention is to provide a kind of safety device preventing car accidental movement; when gate is not closed completely; all the time to car keep lockup state prevent accidental movement of elevator cage; the generation of accidental movement of elevator cage accident when car door can be avoided completely not close completely; the safety of the existing elevator of maximum raising, the safety of available protecting lift facility and the personal safety of passenger.
The present invention is by the following technical solutions for achieving the above object:
A kind of safety device preventing car accidental movement, comprise driving device and executive device, described driving device comprises the first power wheel, second power wheel, enabling motor and main gear bar, enabling motor is connected with the first power wheel and the second power wheel by transmission shaft, described first power wheel is connected with elevator cage door, described main gear bar is provided with the first driving wheel, middle driving wheel and the second driving wheel, the both sides of main gear bar are respectively equipped with the first flower wheel and the second flower wheel, described first driving wheel is connected with the second power wheel by the first driving band, middle driving wheel is connected with the first flower wheel by intermediary transfer belt, second driving wheel is connected with the second flower wheel by the second driving band, intermediary transfer belt and the second driving band are equipped with shifting block, described executive device has two same vertical surface top and same vertical surface bottoms of the second driving band being separately positioned on intermediary transfer belt, described executive device comprises spring stop, spring, inserted link, block, plate, described spring stop is fixed on sedan-chair top, described spring is connected with inserted link, described inserted link is provided with the block matched with shifting block near the position of spring, on the guide rail bracket that described plate is fixed on elevator or well enclosure, and described plate is provided with the jack matched with inserted link.
As the further scheme of the present invention, be all provided with plate at every one deck of elevator.
As the further scheme of the present invention, spring stop, spring, inserted link and plate lateral car edge direction in car sets gradually.
As the further scheme of the present invention, described first driving band, intermediary transfer belt and the second driving band are rubber transmission belting or chain belt or other drivings device.
Compared with prior art, the invention has the advantages that: the present invention can when car door not be closed completely, keep the lockup state to car always, the major accident of the accidental movement of elevator cage occurred when gate is not closed completely can be avoided completely, achieve the security risk farthest reducing elevator and surprisingly cause, significant to the personal safety of the safety and passenger of protecting lift facility; Especially, the present invention has the advantages such as structure is simple, safe and reliable, easy for installation, can be installed in without damage in existing lift facility, has significance practical value to the safety improving and improve existing elevator.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention when lift car closes door state;
Fig. 2 is the structural representation of the present invention when lift car door opening state;
In figure: 1, the first power wheel, the 2, second power wheel, 3, enabling motor, 4, main gear bar, 5, the first driving wheel, 6, middle driving wheel, the 7, second driving wheel, 8, the first flower wheel, the 9, second flower wheel, the 10, first driving band, 11, intermediary transfer belt, the 12, second driving band, 13, shifting block, 14, spring stop, 15, spring, 16, inserted link, 17, block, 18, plate, 19, jack.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
As shown in Figure 1-2, a kind of safety device preventing car accidental movement, comprise driving device and executive device, driving device comprises the first power wheel 1, second power wheel 2, enabling motor 3 and main gear bar 4, enabling motor 3 is connected with the first power wheel 1 and the second power wheel 2 by transmission shaft, the first power wheel 1 and the second power wheel 2 can be synchronously driven to operate, first power wheel 1 is connected with elevator cage door, main gear bar 4 is provided with the first driving wheel 5, middle driving wheel 6 and the second driving wheel 7, the both sides of main gear bar 4 are respectively equipped with the first flower wheel 8 and the second flower wheel 9, first driving wheel 5 is connected with the second power wheel 2 by the first driving band 10, middle driving wheel 6 is connected with the first flower wheel 8 by intermediary transfer belt 11, second driving wheel 7 is connected with the second flower wheel 9 by the second driving band 12, intermediary transfer belt 11 and the second driving band 12 are equipped with shifting block 13, executive device has two same vertical surface top and same vertical surface bottoms of the second driving band 12 being separately positioned on intermediary transfer belt 11, executive device comprises spring stop 14, spring 15, inserted link 16, block 17, plate 18, spring stop 14 is fixed on sedan-chair top, spring 15 is connected with inserted link 16, inserted link 16 is provided with the block 17 matched with shifting block 13 near the position of spring 15, on the guide rail bracket that plate 18 is fixed on elevator or well enclosure, and plate 18 is provided with the jack 19 matched with inserted link 16.
All be provided with plate 18 at every one deck of elevator, spring stop 14, spring 15, inserted link 16 and plate 18 lateral car edge direction in car sets gradually; First driving band 10, intermediary transfer belt 11 and the second driving band 12 are rubber transmission belting or chain belt or other drivings device.
Principle of work of the present invention: when car door is in closed condition, spring is in compressive state, shifting block dials block in the side near main gear bar, now car can normally run up and down, when car door is opened, as shown in Figure 2, under enabling motor drives, drive main gear bar synchronous axial system, shifting block is synchronous with the gate of homonymy to be run to car edge direction, and discharge block, inserted link inserts plate under the action of the spring, and car is by locking, and elevator can not run up and down, when after spring reset, executive device is out of service and keep lockup state; When car door is closed, as shown in Figure 1, shifting block is synchronous with gate to be run to the inside by car edge, and the distance of shifting block and block reduces gradually, closes final stage at gate, shifting block contacts with block, drive inserted link to run to the inside, until gate is closed completely, drive inserted link to leave plate completely, car resumes operation state, and elevator can run up and down.
Embodiment described above is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Claims (4)
1. one kind prevents the safety device of car accidental movement, it is characterized in that, comprise driving device and executive device, described driving device comprises the first power wheel, second power wheel, enabling motor and main gear bar, enabling motor is connected with the first power wheel and the second power wheel by transmission shaft, described first power wheel is connected with elevator cage door, described main gear bar is provided with the first driving wheel, middle driving wheel and the second driving wheel, the both sides of main gear bar are respectively equipped with the first flower wheel and the second flower wheel, described first driving wheel is connected with the second power wheel by the first driving band, middle driving wheel is connected with the first flower wheel by intermediary transfer belt, second driving wheel is connected with the second flower wheel by the second driving band, intermediary transfer belt and the second driving band are equipped with shifting block, described executive device has two same vertical surface top and same vertical surface bottoms of the second driving band being separately positioned on intermediary transfer belt, described executive device comprises spring stop, spring, inserted link, block, plate, described spring stop is fixed on sedan-chair top, described spring is connected with inserted link, described inserted link is provided with the block matched with shifting block near the position of spring, on the guide rail bracket that described plate is fixed on elevator or well enclosure, and described plate is provided with the jack matched with inserted link.
2. a kind of safety device preventing car accidental movement according to claim 1, is characterized in that, is all provided with plate at every one deck of elevator.
3. a kind of safety device preventing car accidental movement according to claim 1, is characterized in that, spring stop, spring, inserted link and plate lateral car edge direction in car sets gradually.
4. a kind of safety device preventing car accidental movement according to claim 1, is characterized in that, described first driving band, intermediary transfer belt and the second driving band are rubber transmission belting or chain belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393070.2A CN104961018B (en) | 2015-07-07 | 2015-07-07 | It is a kind of to prevent the safety device of car accidental movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510393070.2A CN104961018B (en) | 2015-07-07 | 2015-07-07 | It is a kind of to prevent the safety device of car accidental movement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104961018A true CN104961018A (en) | 2015-10-07 |
| CN104961018B CN104961018B (en) | 2017-09-22 |
Family
ID=54215153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510393070.2A Active CN104961018B (en) | 2015-07-07 | 2015-07-07 | It is a kind of to prevent the safety device of car accidental movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104961018B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969900A (en) * | 2019-04-26 | 2019-07-05 | 湖南省特种设备检验检测研究院邵阳分院 | A kind of accidental movement of elevator cage protective device |
| CN111634790A (en) * | 2020-06-15 | 2020-09-08 | 肖华 | Elevator positioning and protecting device and method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187913Y (en) * | 1993-12-16 | 1995-01-25 | 纪云飞 | Infrared remote-controlled curtain opening and closing machine |
| CN201598082U (en) * | 2009-08-14 | 2010-10-06 | 深圳市美迪斯电梯有限公司 | Non-machine room lift car stopping device |
| CN102070065A (en) * | 2011-01-29 | 2011-05-25 | 日立电梯（中国）有限公司 | Door lock mechanism for elevator car |
| CN102372206A (en) * | 2011-09-30 | 2012-03-14 | 快意电梯有限公司 | Device for preventing elevator cage from accidently moving |
| CN204369351U (en) * | 2014-09-11 | 2015-06-03 | 上海现代电梯制造有限公司 | The mechanical locking of machine-roomless lift car |
| CN204751775U (en) * | 2015-07-07 | 2015-11-11 | 李春生 | Prevent unexpected safety device who removes of car |
-
2015
- 2015-07-07 CN CN201510393070.2A patent/CN104961018B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187913Y (en) * | 1993-12-16 | 1995-01-25 | 纪云飞 | Infrared remote-controlled curtain opening and closing machine |
| CN201598082U (en) * | 2009-08-14 | 2010-10-06 | 深圳市美迪斯电梯有限公司 | Non-machine room lift car stopping device |
| CN102070065A (en) * | 2011-01-29 | 2011-05-25 | 日立电梯（中国）有限公司 | Door lock mechanism for elevator car |
| CN102372206A (en) * | 2011-09-30 | 2012-03-14 | 快意电梯有限公司 | Device for preventing elevator cage from accidently moving |
| CN204369351U (en) * | 2014-09-11 | 2015-06-03 | 上海现代电梯制造有限公司 | The mechanical locking of machine-roomless lift car |
| CN204751775U (en) * | 2015-07-07 | 2015-11-11 | 李春生 | Prevent unexpected safety device who removes of car |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969900A (en) * | 2019-04-26 | 2019-07-05 | 湖南省特种设备检验检测研究院邵阳分院 | A kind of accidental movement of elevator cage protective device |
| CN109969900B (en) * | 2019-04-26 | 2024-02-02 | 湖南省特种设备检验检测研究院 | Unexpected protection device that removes of elevator car |
| CN111634790A (en) * | 2020-06-15 | 2020-09-08 | 肖华 | Elevator positioning and protecting device and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104961018B (en) | 2017-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101547650B1 (en) | Safety equipment of train platform | |
| CN107082335B (en) | Elevator lift safety protection system | |
| CN103896120B (en) | The anti-fall well device of elevator | |
| CN103086225A (en) | Anti-slip protection device for elevator | |
| CN106193998A (en) | Pull-type cat ladder | |
| CN104961018A (en) | Safety device for preventing lift car from moving by accident | |
| CN204265166U (en) | Prevent the safety control system of accidental movement of elevator cage | |
| CN204751775U (en) | Prevent unexpected safety device who removes of car | |
| CN202808113U (en) | Power-off prevention safety lock catch elevator car | |
| CN204588352U (en) | The unexpected fender guard of elevator | |
| CN204920371U (en) | Cell type guide rail parking equipment anti -falling device | |
| CN202808107U (en) | Self-compressive degeneration elevator car | |
| CN204310659U (en) | The interlocking stop layers fender guard of a kind of elevator and protective door | |
| CN203064976U (en) | Elevator storey door device hanging plate and elevator door operator hanging plate | |
| CN204224054U (en) | The emergency staircase door lock device of locking mechanism | |
| CN212769323U (en) | Electromagnetic door lock of vertical sliding door of mine elevator | |
| CN112520604A (en) | Tower crane elevator | |
| CN105113825A (en) | Anti-falling device for groove type guide rail parking equipment | |
| CN105712148A (en) | Emergent stopping device of car | |
| CN205739838U (en) | A kind of anti-moving device of lift car | |
| CN105905723B (en) | A kind of elevator safety control system | |
| CN102765645A (en) | Monitoring protection device for elevator abnormal operation | |
| KR101791857B1 (en) | Lower part frame structure for elevator | |
| CN110341746A (en) | A kind of elevator, arrester linked protector | |
| CN220886636U (en) | Elevator door capable of emergency escape for elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200922 Address after: 277300 No. 23 Kodazhong Road, Yicheng Economic Development Zone, Zaozhuang City, Shandong Province Patentee after: Shandong Zhengxia Automation Equipment Co.,Ltd. Address before: 277500, No. 205, North Han village, Guan Qiao Town, Zaozhuang City, Shandong, Tengzhou Patentee before: Li Chunsheng |
|
| TR01 | Transfer of patent right |