CN112660960A - High-safety protection device for preventing elevator from overspeed and accidental movement - Google Patents
High-safety protection device for preventing elevator from overspeed and accidental movement Download PDFInfo
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- CN112660960A CN112660960A CN202011587900.2A CN202011587900A CN112660960A CN 112660960 A CN112660960 A CN 112660960A CN 202011587900 A CN202011587900 A CN 202011587900A CN 112660960 A CN112660960 A CN 112660960A
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- 230000033001 locomotion Effects 0.000 title claims abstract description 18
- 230000003139 buffering effect Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 9
- 239000000872 buffer Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a high-safety protection device for preventing an elevator from overspeed and accidental movement, which comprises an elevator shaft, a limiting device and a buffering device, wherein the outer wall of the top of the elevator shaft is fixedly connected with a mounting plate, an elevator car is arranged between the inner walls of two sides of the elevator shaft, the inner walls of two sides of the elevator shaft are provided with first sliding grooves, the elevator car is in sliding connection with the inner wall of the elevator shaft through the arranged first sliding grooves, the outer wall of the top of the elevator car is fixedly connected with a traction frame, the outer walls of two sides of the traction frame are both fixedly connected with first sliding blocks, the limiting device comprises a limiting frame, the inner walls of the upper side and the lower side of the limiting frame are both provided with second sliding grooves, and the outer wall of the. Through the setting of devices such as electromagnetic means, clamp splice, carry on spacingly to the device of control rope operation, make its stop work, increase locking effect, reduce braking distance, this device has dual braking effect, effectual promotion braking efficiency.
Description
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to a high-safety protection device for preventing an elevator from overspeed and accidental movement.
Background
Along with the development of social economy, high-rise buildings are increasing day by day, the elevator demand is also increasing, and simultaneously, people have higher and higher requirements for the safety of elevators. After the elevator is used for a long time, the elevator overspeed phenomenon can occur due to the reasons of motor failure, insufficient traction force and the like. In order to protect the safety of passengers, corresponding protective measures should be taken against the elevator overspeed phenomenon. The existing elevator is provided with a speed measuring device to detect whether the elevator runs at an overspeed or not, and friction is increased to an elevator traction wheel to be tightly held to reduce the rotating speed of the elevator traction wheel when the elevator runs at the overspeed.
Chinese patent No. CN207108165U discloses an elevator overspeed protection device, which comprises a steel wire rope speed detector, an elevator car, a guide shoe support frame arranged at the bottom of the elevator car and connected with the bottom of the elevator car, and a guide rail arranged on a hoistway wall; the guide rail comprises a guide rail body, a guide rail groove and a speed limiting groove which are arranged on the guide rail body, wherein a speed limiting block with gradually thickened thickness downwards or upwards is arranged in the speed limiting groove along the running direction of the elevator; the guide shoe support frame comprises a guide shoe head which is in sliding connection with the guide rail groove, the guide shoe support frame is provided with a notch facing to the opening of the speed-limiting groove side, a signal receiver, a driver, a telescopic rod and a speed-limiting friction block are arranged inside the notch, the speed-limiting friction block is connected with the telescopic rod, the telescopic rod is connected with the driver, the driver is connected with the signal receiver, and the signal receiver is connected with the steel wire rope speed detector … …, so that the problem that the conventional elevator can prevent the elevator from overspeed through a speed limiter and a safety tong, but the problem that the safety tong cannot achieve the purpose of perfect protection without fail by light is solved, the braking effect is poor when the elevator is overspeed, the braking distance is long, and the elevator is easy to be impacted when falling at overspeed, and the problem that passengers are easy to be injured due to impact is not solved by the device, therefore, a protective device for preventing the elevator from overspeed and accidental movement with high safety is provided to solve the technical problems.
Disclosure of Invention
The invention aims to provide a high-safety protection device for preventing an elevator from overspeed and accidental movement, and aims to solve the problem that the conventional high-safety protection device for preventing the elevator from overspeed and accidental movement is poor in safety performance of the elevator in use due to poor braking effect and long braking distance of the conventional elevator overspeed protection device when the elevator falls down at overspeed.
In order to achieve the purpose, the invention provides the following technical scheme: a high-safety protection device for preventing an elevator from overspeed and accidental movement comprises an elevator shaft, a limiting device and a buffering device, wherein the outer wall of the top of the elevator shaft is fixedly connected with a mounting plate, an elevator car is arranged between the inner walls of two sides of the elevator shaft, the inner walls of two sides of the elevator shaft are provided with first sliding grooves, the elevator car is in sliding connection with the inner walls of the elevator shaft through the arranged first sliding grooves, the outer wall of the top of the elevator car is fixedly connected with a traction frame, the outer walls of two sides of the traction frame are fixedly connected with first sliding blocks, the limiting device comprises a limiting frame, the inner walls of the upper side and the lower side of the limiting frame are provided with second sliding grooves, the outer wall of the first sliding block is in sliding connection with the inner walls of the second sliding grooves, the inner wall of the second sliding grooves is in sliding connection with a, one side outer wall fixedly connected with push rod of first limiting plate, swing joint has the second movable rod between the outer wall of first limiting plate and second limiting plate, the first motor of top outer wall fixedly connected with of elevator car, the first gear of output shaft fixedly connected with of first motor, it is connected with the second gear to rotate between the inner wall of spacing frame.
The utility model discloses a mounting panel, including mounting panel, first motor, the first runner of output shaft fixedly connected with of second motor, one side outer wall of first runner is provided with the second runner, be connected through the transmission band transmission that sets up between first runner and the second runner, the first installation piece of top outer wall fixedly connected with of mounting panel, the outer wall of first installation piece rotates and is connected with the third gear, the outer wall of third gear and the outer wall of second runner pass through pivot fixed connection, the top outer wall of mounting panel just is located two second installation pieces of one side fixedly connected with of first installation piece, it is connected with electromagnetic means to rotate between the outer wall of second installation piece, electromagnetic means's outer wall fixedly connected with fourth gear, the outer wall of third gear passes through the tooth meshing with the outer wall of fourth gear and is connected.
Preferably, the fixed plate is fixedly connected between the inner walls of the elevator shaft, the buffering cushion is fixedly connected between the top outer wall of the fixed plate and the bottom outer wall of the elevator car, buffering columns are arranged on the inner walls of the fixed plate in an alternating mode, and springs are sleeved on the outer walls of the buffering columns.
Preferably, the second movable rod is in cross movable connection, and the outer wall of the first gear is in meshed connection with the outer wall of the second gear through teeth.
Preferably, the first gear and the second gear are kept away from the outer wall of one side of the front and are all provided with slide rails, the inner wall sliding connection of the slide rails is provided with a movable block, and one end of the push rod, which is far away from the first limiting plate and the second limiting plate, is movably connected with the outer wall of the movable block.
Preferably, the inner wall of the second limiting plate is provided with a through hole for the push rod to move, and the outer wall of the push rod is movably connected with the inner wall of the second limiting plate.
Preferably, a third sliding groove is formed in the inner wall of the second mounting block, a clamping block is connected to the inner wall of the third sliding groove in a sliding mode, a clamping groove matched with the electromagnetic device is formed in the outer wall of the clamping block, and the outer wall of the clamping block is magnetically connected with the outer wall of the electromagnetic device.
Preferably, the top outer wall of the mounting plate is fixedly connected with a power supply, and a wiring terminal of the power supply is electrically connected with a wiring terminal of the electromagnetic device.
Preferably, the outer wall of the top of the traction frame is fixedly connected with a rope, and the rope is sleeved on the outer wall of the rotating shaft between the third gear and the second rotating wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. the control device transmits signals to the first motor, the second motor and the power supply, the first motor is started to drive the first gear to rotate, the rotation of the first gear drives the second gear to do opposite motion with the first gear, the first gear and the second gear drive the movable block to rotate, the movable block drives the two push rods to push the first limiting plate fixedly connected with the first limiting plate to move towards the inner wall of the first chute and cling to the inner wall of the first chute, when the first limiting plate clings to the inner wall of the first chute, the movable rods arranged in a crossed mode push the second limiting plate to move towards the direction far away from the first limiting plate, so that the outer wall of the first limiting plate clings to the inner wall of the first chute, the first sliding block and the elevator car are limited to limit the sliding of the first sliding block, the sliding of the elevator car is limited, when the elevator is overspeed, the continuous sliding of the elevator is limited, and the elevator can be controlled when the elevator is overspeed, prevent the elevator from continuously running at an overspeed and improve the safety performance of the elevator.
2. Through the second motor stall, the power starts, electromagnetic means circular telegram magnetism, attract the clamp splice of both sides to the direction motion that is close to electromagnetic means, press from both sides electromagnetic means's outer wall tightly, thereby make fourth gear stall, with third gear stall, the fourth gear carries on spacingly to the third gear, avoid the rotation of fourth gear, this device passes through electromagnetic means, the joint setting of devices such as clamp splice, carry on spacingly to the device of control rope operation, make its stop work, increase locking effect, thereby the braking distance has been reduced, this device has dual braking effect, effectual promotion braking efficiency.
3. Through buffer's setting, buffer plays the effect of protection to elevator car when the elevator descends fast, and buffering post extrusion spring, blotter further buffering to the external force, protection when realizing the elevator and speeding, the impact of avoiding the elevator to overspeed to fall effectively improves the security of elevator operation, has the practicality.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of a portion of the present invention at an elevator shaft;
FIG. 4 is a schematic view of the structure of the position limiting device of the present invention;
FIG. 5 is a schematic view of a portion of the third gear of the present invention;
FIG. 6 is a schematic view of the structure of the clamping block of the present invention;
fig. 7 is a schematic structural view of a buffering device according to the present invention.
In the figure: 1. an elevator shaft; 2. mounting a plate; 3. an elevator car; 4. a first chute; 5. a traction frame; 6. a limiting device; 61. a limiting frame; 62. a second chute; 63. a first limit plate; 64. a second limiting plate; 65. a push rod; 66. a movable rod; 67. a first motor; 68. a first gear; 69. a second gear; 7. a first slider; 8. a second motor; 9. a first runner; 10. a second runner; 11. a conveyor belt; 12. a first mounting block; 13. a third gear; 14. a second mounting block; 15. an electromagnetic device; 16. a fourth gear; 17. a third chute; 18. a clamping block; 19. a power source; 20. a buffer device; 201. a fixing plate; 202. a cushion pad; 203. a buffer column; 204. a spring; 21. a rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, the present invention provides a technical solution: a high-safety protection device for preventing an elevator from overspeed and accidental movement comprises an elevator shaft 1, a limiting device 6 and a buffer device 20, wherein the outer wall of the top of the elevator shaft 1 is fixedly connected with a mounting plate 2, an elevator car 3 is arranged between the inner walls of two sides of the elevator shaft 1, the inner walls of two sides of the elevator shaft 1 are provided with first sliding grooves 4, the elevator car 3 is in sliding connection with the inner wall of the elevator shaft 1 through the arranged first sliding grooves 4, the outer wall of the top of the elevator car 3 is fixedly connected with a traction frame 5, the outer walls of two sides of the traction frame 5 are both fixedly connected with first sliding blocks 7, the outer wall of the first sliding block 7 is in sliding connection with the inner wall of a second sliding groove 62, the limiting device 6 comprises a limiting frame 61, the inner walls of the upper side and the lower side of the limiting frame 61 are both provided with second sliding grooves 62, the inner wall of the second sliding, one side outer wall fixedly connected with push rod 65 of first limiting plate 63, the one end that first limiting plate 63 and second limiting plate 64 were kept away from to push rod 65 and the outer wall swing joint of movable block, the through-hole that supplies the activity of push rod 65 is seted up to the inner wall of second limiting plate 64, the outer wall of push rod 65 and the inner wall swing joint of second limiting plate 64, swing joint has second movable rod 66 between the outer wall of first limiting plate 63 and second limiting plate 64, second movable rod 66 is criss-cross swing joint, the first motor 67 of top outer wall fixedly connected with of elevator car 3, the first gear 68 of output shaft fixedly connected with of first motor 67, it is connected with second gear 69 to rotate between the inner wall of spacing frame 61, the outer wall of first gear 68 passes through the tooth meshing with the outer wall of second gear 69 and is connected, first gear 68 all has seted up the slide rail with the outer wall of one side that second gear 69 kept away from in front, the inner wall sliding.
In this embodiment, the second motor 8 is started to drive the first rotating wheel 9 to rotate, the first rotating wheel 9 is rotated to drive the second rotating wheel 10 to rotate, the second rotating wheel 10 drives the third gear 13 to rotate, and further drives the rotating shaft to perform winding and unwinding processing on the rope 21, when the elevator car 3 moves rapidly, the control device transmits signals to the first motor 67, the second motor 8 and the power supply 19, the first motor 67 is started to drive the first gear 68 to rotate, the rotation of the first gear 68 drives the second gear 69 to move in a reverse direction, the first gear 68 and the second gear 69 drive the movable block to rotate, the movable block drives the two push rods 65 to push the first limiting plate 63 fixedly connected with the movable block to move towards the inner wall of the first chute 4 and to cling to the inner wall of the first chute 4, when the first limiting plate 63 moves towards the inner wall of the first chute 4, the movable rods 66 arranged in a crossing manner push the second limiting plate 64 to move away from the first limiting plate 63, the outer wall of the first limiting plate 63 is tightly attached to the inner wall of the first sliding groove 4, so that the first sliding block 7 and the elevator car 3 are limited and limited to slide.
Example two:
referring to fig. 5-6, based on the first embodiment, the present invention provides a technical solution: a second motor 8 is fixedly connected to the outer wall of the top of the mounting plate 2, an output shaft of the second motor 8 is fixedly connected with a first rotating wheel 9, a second rotating wheel 10 is arranged on the outer wall of one side of the first rotating wheel 9, the first rotating wheel 9 and the second rotating wheel 10 are in transmission connection through a transmission belt 11, a first mounting block 12 is fixedly connected to the outer wall of the top of the mounting plate 2, a third gear 13 is rotatably connected to the outer wall of the first mounting block 12, the outer wall of the third gear 13 is fixedly connected with the outer wall of the second rotating wheel 10 through a rotating shaft, two second mounting blocks 14 are fixedly connected to the outer wall of the top of the mounting plate 2 and positioned on one side of the first mounting block 12, an electromagnetic device 15 is rotatably connected between the outer walls of the second mounting blocks 14, a fourth gear 16 is fixedly connected to the outer wall of the electromagnetic device 15, the outer wall of the third gear 13 is connected with the outer wall of the fourth gear 16 through tooth, the inner wall sliding connection of third spout 17 has clamp splice 18, the draw-in groove with 15 looks adaptations of electromagnetic means is seted up to the outer wall of clamp splice 18, the outer wall magnetism of clamp splice 18 and electromagnetic means 15 is connected, the top outer wall fixedly connected with power 19 of mounting panel 2, the wiring end of power 19 and the wiring end electric connection of electromagnetic means 15, the top outer wall fixedly connected with rope 21 of traction frame 5, the outer wall of the pivot between third gear 13 and second runner 10 is cup jointed to rope 21.
In this embodiment, when the elevator runs at an overspeed, the second motor 8 stops rotating, the power supply 19 starts, the electromagnetic device 15 is energized, the clamping blocks 18 on both sides are attracted to move towards the direction close to the electromagnetic device 15, the outer wall of the electromagnetic device 15 is clamped, the clamping grooves on the clamping blocks 18 firmly clamp the electromagnetic device 15, so that the fourth gear 16 stops rotating and stops rotating with the third gear 13, and the fourth gear 16 limits the third gear 13 to avoid the rotation of the fourth gear 16.
Referring to fig. 7, based on the first embodiment and the second embodiment, the present invention provides a technical solution: fixedly connected with fixed plate 201 between the inner wall of elevartor shaft 1, fixedly connected with blotter 202 between the top outer wall of fixed plate 201 and the bottom outer wall of elevator car 3, the inner wall of fixed plate 201 alternates and is provided with buffering post 203, and the spring 204 has been cup jointed to the outer wall of buffering post 203.
In this embodiment, when the elevator descends rapidly, the buffer device 20 protects the elevator car 3, the buffer column 203 compresses the spring 204, and the buffer pad 202 further buffers the external force.
The working principle and the using process of the invention are as follows: when the elevator car 3 moves rapidly, the control device transmits signals to the first motor 67, the second motor 8 and the power supply 19, the first motor 67 is started to drive the first gear 68 to rotate, the rotation of the first gear 68 drives the second gear 69 to move oppositely, the first gear 68 and the second gear 69 drive the movable block to rotate, the movable block drives the two push rods 65 to push the first limiting plate 63 fixedly connected with the movable block to move towards the inner wall of the first sliding chute 4 and cling to the inner wall of the first sliding chute 4, when the first limiting plate 63 clings to the inner wall of the first sliding chute 4, the movable rods 66 arranged in a crossed mode push the second limiting plate 64 to move towards the direction far away from the first limiting plate 63, so that the outer wall of the first limiting plate 63 clings to the inner wall of the first sliding chute 4, the first sliding block 7 and the elevator car 3 are limited, and the sliding of the first sliding block is limited; meanwhile, the second motor 8 stops rotating, the power supply 19 starts, the electromagnetic device 15 is electrified, the clamping blocks 18 on two sides are attracted to move towards the direction close to the electromagnetic device 15, the outer wall of the electromagnetic device 15 is clamped, the fourth gear 16 stops rotating and stops rotating with the third gear 13, the fourth gear 16 limits the third gear 13 to avoid the rotation of the fourth gear 16, the buffer device 20 plays a role in protecting the elevator car 3 when the elevator descends rapidly, the buffer column 203 extrudes the spring 204, and the buffer pad 202 further buffers external force.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A high protection device of security that prevents elevator overspeed and unexpected removal, includes elevartor shaft (1), stop device (6) and buffer (20), its characterized in that: the elevator car is characterized in that a mounting plate (2) is fixedly connected to the outer wall of the top of the elevator shaft (1), an elevator car (3) is arranged between the inner walls of two sides of the elevator shaft (1), first sliding grooves (4) are formed in the inner walls of two sides of the elevator shaft (1), the elevator car (3) is in sliding connection with the inner wall of the elevator shaft (1) through the arranged first sliding grooves (4), a traction frame (5) is fixedly connected to the outer wall of the top of the elevator car (3), first sliding blocks (7) are fixedly connected to the outer walls of two sides of the traction frame (5), a limiting device (6) comprises a limiting frame (61), second sliding grooves (62) are formed in the inner walls of two upper and lower sides of the limiting frame (61), the outer wall of the first sliding block (7) is in sliding connection with the inner wall of the second sliding grooves (62), a first limiting plate (63) and a second limiting plate (64), the first limiting plate (63) is arranged on one side of the second limiting plate (64), a push rod (65) is fixedly connected to the outer wall of one side of the first limiting plate (63), a second movable rod (66) is movably connected between the outer walls of the first limiting plate (63) and the second limiting plate (64), a first motor (67) is fixedly connected to the outer wall of the top of the elevator car (3), a first gear (68) is fixedly connected to an output shaft of the first motor (67), and a second gear (69) is rotatably connected between the inner walls of the limiting frames (61);
the top outer wall of the mounting plate (2) is fixedly connected with a second motor (8), an output shaft of the second motor (8) is fixedly connected with a first rotating wheel (9), one side outer wall of the first rotating wheel (9) is provided with a second rotating wheel (10), the first rotating wheel (9) is in transmission connection with the second rotating wheel (10) through a transmission belt (11), the top outer wall of the mounting plate (2) is fixedly connected with a first mounting block (12), the outer wall of the first mounting block (12) is in transmission connection with a third gear (13), the outer wall of the third gear (13) is in transmission connection with the outer wall of the second rotating wheel (10) through a rotating shaft, the top outer wall of the mounting plate (2) is fixedly connected with two second mounting blocks (14) on one side of the first mounting block (12), and an electromagnetic device (15) is in transmission connection between the outer walls of the second mounting blocks (14), the outer wall of the electromagnetic device (15) is fixedly connected with a fourth gear (16), and the outer wall of the third gear (13) is meshed with the outer wall of the fourth gear (16) through teeth.
2. A safety protection device for preventing overspeed and accidental movement of elevator according to claim 1, characterized in that: fixedly connected with fixed plate (201) between the inner wall of elevartor shaft (1), fixedly connected with blotter (202) between the top outer wall of fixed plate (201) and the bottom outer wall of elevator car (3), the inner wall interlude of fixed plate (201) is provided with buffering post (203), spring (204) have been cup jointed to the outer wall of buffering post (203).
3. A safety protection device for preventing overspeed and accidental movement of elevator according to claim 1, characterized in that: the second movable rod (66) is in crossed movable connection, and the outer wall of the first gear (68) is in meshed connection with the outer wall of the second gear (69) through teeth.
4. A safety protection device for preventing overspeed and accidental movement of elevator according to claim 1, characterized in that: the slide rail has all been seted up to positive one side outer wall is kept away from to first gear (68) and second gear (69), the inner wall sliding connection of slide rail has the movable block, the outer wall swing joint of one end and the movable block of first limiting plate (63) and second limiting plate (64) is kept away from in push rod (65).
5. A safety protection device for preventing overspeed and accidental movement of elevator according to claim 1, characterized in that: the inner wall of second limiting plate (64) is seted up and is supplied through-hole of push rod (65) activity, the outer wall of push rod (65) and the inner wall swing joint of second limiting plate (64).
6. A safety protection device for preventing overspeed and accidental movement of elevator according to claim 1, characterized in that: the inner wall of the second mounting block (14) is provided with a third sliding groove (17), the inner wall of the third sliding groove (17) is connected with a clamping block (18) in a sliding mode, the outer wall of the clamping block (18) is provided with a clamping groove matched with the electromagnetic device (15), and the outer wall of the clamping block (18) is connected with the outer wall of the electromagnetic device (15) in a magnetic mode.
7. A safety protection device for preventing overspeed and accidental movement of elevator according to claim 1, characterized in that: the top outer wall fixedly connected with power (19) of mounting panel (2), the wiring end of power (19) and the wiring end electric connection of electromagnetic means (15).
8. A safety protection device for preventing overspeed and accidental movement of elevator according to claim 1, characterized in that: the outer wall of the top of the traction frame (5) is fixedly connected with a rope (21), and the rope (21) is sleeved on the outer wall of the rotating shaft between the third gear (13) and the second rotating wheel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011587900.2A CN112660960A (en) | 2020-12-29 | 2020-12-29 | High-safety protection device for preventing elevator from overspeed and accidental movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011587900.2A CN112660960A (en) | 2020-12-29 | 2020-12-29 | High-safety protection device for preventing elevator from overspeed and accidental movement |
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| Publication Number | Publication Date |
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| CN112660960A true CN112660960A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011587900.2A Pending CN112660960A (en) | 2020-12-29 | 2020-12-29 | High-safety protection device for preventing elevator from overspeed and accidental movement |
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| CN (1) | CN112660960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258874A (en) * | 2022-08-16 | 2022-11-01 | 凯帝斯电梯股份有限公司 | Elevator overspeed prevention electric device |
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| CN108622761A (en) * | 2018-07-06 | 2018-10-09 | 苏州福特美福电梯有限公司 | A kind of fall protection equipment of elevator |
| CN208327021U (en) * | 2018-06-27 | 2019-01-04 | 浙江巨通电梯有限公司 | A kind of elevator overspeed protecting device |
| CN210505139U (en) * | 2019-07-10 | 2020-05-12 | 湖北优力维特电梯有限公司 | Elevator overspeed protection device |
| CN211769604U (en) * | 2020-03-20 | 2020-10-27 | 广东讯达电梯有限公司 | Safety fixing device is used in elevator installation |
| CN111994753A (en) * | 2020-09-22 | 2020-11-27 | 安徽工业大学 | Elevator safety auxiliary system |
| CN112061918A (en) * | 2020-08-20 | 2020-12-11 | 浙江益仓机电有限公司 | Elevator with a movable elevator car |
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2020
- 2020-12-29 CN CN202011587900.2A patent/CN112660960A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208327021U (en) * | 2018-06-27 | 2019-01-04 | 浙江巨通电梯有限公司 | A kind of elevator overspeed protecting device |
| CN108622761A (en) * | 2018-07-06 | 2018-10-09 | 苏州福特美福电梯有限公司 | A kind of fall protection equipment of elevator |
| CN210505139U (en) * | 2019-07-10 | 2020-05-12 | 湖北优力维特电梯有限公司 | Elevator overspeed protection device |
| CN211769604U (en) * | 2020-03-20 | 2020-10-27 | 广东讯达电梯有限公司 | Safety fixing device is used in elevator installation |
| CN112061918A (en) * | 2020-08-20 | 2020-12-11 | 浙江益仓机电有限公司 | Elevator with a movable elevator car |
| CN111994753A (en) * | 2020-09-22 | 2020-11-27 | 安徽工业大学 | Elevator safety auxiliary system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258874A (en) * | 2022-08-16 | 2022-11-01 | 凯帝斯电梯股份有限公司 | Elevator overspeed prevention electric device |
| CN115258874B (en) * | 2022-08-16 | 2024-04-26 | 凯帝斯电梯股份有限公司 | Electrical device for overspeed prevention of elevator |
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Application publication date: 20210416 |