CN110626908B - Elevator retarder with automatic reset function and elevator system - Google Patents
Elevator retarder with automatic reset function and elevator system Download PDFInfo
- Publication number
- CN110626908B CN110626908B CN201910902008.XA CN201910902008A CN110626908B CN 110626908 B CN110626908 B CN 110626908B CN 201910902008 A CN201910902008 A CN 201910902008A CN 110626908 B CN110626908 B CN 110626908B
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- connecting rod
- elevator
- outer cover
- guide
- retarder
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 241000357293 Leptobrama muelleri Species 0.000 claims abstract description 3
- 238000013016 damping Methods 0.000 claims description 26
- 230000000979 retarding effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
-
- 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
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator retarder with an automatic reset function and an elevator system, wherein the elevator retarder comprises: the device comprises a side plate, an outer cover, a magnetic steel back plate, a connecting rod, a resetting device and a guiding device; the outer cover is fixed at one side of the side plate at intervals, and a guide rail gap in the vertical direction is formed in the middle of the outer cover; a guide groove is arranged on the outer cover; a permanent magnet is arranged on one side of the magnetic steel backboard; the guide bearing is connected with the magnetic steel backboard; the magnetic steel backboard is arranged in the outer cover, and the guide bearing is inserted into the guide groove; the guide bearing is provided with an initial position and a trigger position in the guide groove; one end of the connecting rod is hinged with the magnetic steel backboard, and the connecting rod extends out through the opening of the outer cover; the upper end of the reset device is connected with the other end of the connecting rod, and the connecting rod is driven to move to an initial position in the guide groove when the reset device moves upwards; the guiding device is connected with the side plate or the outer cover. The retarder in a triggering state is automatically reset to an initial position by arranging the connecting rod, the resetting device and the guiding device.
Description
Technical Field
The invention belongs to the technical field of elevator safety equipment, and particularly relates to an elevator retarder with an automatic reset function and an elevator system provided with the retarder.
Background
In the existing elevator permanent magnet safety retarding technology, the retarder is divided into two forms according to the triggering mode of the retarder, and one of the forms is a permanent magnet retarding safety protection device which forms a safety control loop with the original speed limiter of the elevator; the other is a permanent-magnet retarding safety protection device which is formed by utilizing the running speed of the car and the self magnetic induction intensity. The two structures can realize the set flat layer position that the falling car is decelerated and stopped after the permanent magnet safety retarding mechanism is triggered. However, the installation plate provided with the permanent magnet needs to be reset manually or by using a mechanical device, so that the installation plate is restored to a position far away from the retarding guide rail from a position near the retarding guide rail. The manual reset has the problems that the space of the retarder is narrow and the reset operation is very difficult. If an additional mechanical device is arranged for resetting, a mechanical device with a power mechanism is required to be arranged, the structure of the added mechanical device is complex, and the design is difficult.
Disclosure of Invention
The invention aims to provide an elevator retarder with an automatic resetting function and an elevator system, so as to solve the problem that automatic resetting of a permanent magnet retarder cannot be achieved.
The technical scheme for solving the technical problems is as follows: an elevator retarder and an elevator system with an automatic reset function, comprising: the device comprises a side plate, an outer cover, a magnetic steel back plate, a connecting rod, a resetting device and a guiding device; the outer cover is fixed at one side of the side plate at intervals, and a guide rail gap in the vertical direction is formed in the middle of the outer cover; a guide groove is arranged on the outer cover; a permanent magnet is arranged on one side of the magnetic steel backboard; the guide bearing is connected with the magnetic steel backboard; the magnetic steel backboard is arranged in the outer cover, and the guide bearing is inserted into the guide groove; the guide bearing is provided with an initial position and a trigger position in the guide groove, and the length of the permanent magnet from the guide rail gap at the trigger position is smaller; one end of the connecting rod is hinged with the magnetic steel backboard, and the connecting rod extends out through the opening of the outer cover; the upper end of the reset device is connected with the other end of the connecting rod, and when the reset device moves upwards, the connecting rod drives the magnetic steel backboard to move to an initial position in the guide groove; the guide device is connected with the side plate or the outer cover and provides the guide of the reset device in the vertical direction.
The elevator retarder with the automatic resetting function disclosed by the invention further comprises a first connecting rod, a second connecting rod and a supporting bearing; one end of the first connecting rod is connected with the magnetic steel backboard, the other end of the first connecting rod is connected with one end of the second connecting rod, and the other end of the second connecting rod is connected with the resetting device; the support bearing is fixed in the outer cover and is blocked above the first connecting rod.
The elevator retarder with the automatic resetting function disclosed by the invention further comprises a damping rod outer cylinder, a damping rod, a top block and a sliding block; the top block is fixed at one end of the damping rod; the damping rod outer cylinder is fixedly connected with the sliding block; the guide device is a guide rail, and the guide rail is vertically fixed at the side of the outer cover; the sliding block is connected with the connecting rod and can reciprocate in the guide rail.
The elevator retarder with the automatic resetting function further comprises a stop block, wherein the stop block is fixed at the lower end of the guide rail.
The elevator retarder with the automatic resetting function disclosed by the invention further comprises the slider body and the clamping plate, wherein the clamping plate is provided with the clamping arm with the arc-shaped structure and used for fixing the damping rod outer cylinder, and the clamping plate is fixedly connected with the slider body.
The elevator retarder with the automatic reset function disclosed by the invention is further characterized in that the reset device is a reset shaft; the guide device is a shaft seat and a wear-resistant sleeve; the shaft seat is fixedly connected with the outer cover, is provided with a shaft hole in the vertical direction, and the wear-resistant sleeve is arranged in the shaft hole; the reset shaft is arranged on the shaft seat through a wear-resistant sleeve; the upper end of the reset shaft is connected with the connecting rod.
The elevator retarder with the automatic reset function further comprises a buffer rubber head, wherein the buffer rubber head is arranged at the lower end of the reset shaft.
An elevator system comprising an elevator hoistway, an elevator car, guide rails, the elevator car having an elevator retarder according to any of the above mounted thereon; a flat layer baffle is fixedly arranged at a flat layer position at the bottom of an elevator shaft; the guide rail is fixed in the elevator shaft, and the guide rail passes through a guide rail gap in the middle of the outer cover of the elevator retarder.
When the elevator car moves to the position of the leveling baffle plate in the elevator hoistway, the lower end of the reset device is in contact with the leveling baffle plate, the upward thrust of the leveling baffle plate is received, and then the connecting rod and the magnetic steel backboard are driven, so that the magnetic steel backboard moves downwards, the magnetic steel backboard and the guide bearing are restored to the initial position from the triggering position, the distance between the permanent magnet and the guide rail is longer, and the magnetic force between the permanent magnet and the guide rail is smaller when the elevator car moves at the normal speed. The retarder in a triggering state is automatically reset to an initial position by arranging the connecting rod, the resetting device and the guiding device.
Drawings
The foregoing and/or other advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the invention, wherein:
fig. 1 is a schematic view of an elevator system of an embodiment of the present invention;
fig. 2 is a partial schematic view of an elevator system of an embodiment of the present invention;
FIG. 3 is a schematic view of a retarder according to a first embodiment of the present invention;
FIG. 4 is a schematic view of a retarder according to a second embodiment of the present invention;
fig. 5 is a schematic view of the interior of a retarder according to a second embodiment of the invention.
In the drawings, the list of components represented by the various numbers is as follows:
100. elevator retarder 200, elevator well, 300, flat layer baffle 400, elevator car, 1, resetting means, 2, curb plate, 3, dustcoat, 4, magnet steel backplate, 5, spacing plunger, 11, axle bed, 12, wear sleeve, 13, reset shaft, 14, buffer rubber head, 15, first connecting rod, 16, second connecting rod, 17, support bearing, 18, guide rail, 19, dog, 20, slider, 21, damping rod urceolus, 22, damping rod, 23, kicking block, 31, guide way, 41, guide bearing, 42, permanent magnet.
Detailed Description
Hereinafter, embodiments of an elevator retarder and an elevator system with an automatic reset function of the present invention will be described with reference to the accompanying drawings.
The examples described herein are specific embodiments of the present invention, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the invention to the embodiments and scope of the invention. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present invention, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Fig. 1-5 illustrate an elevator retarder with auto-reset function according to an embodiment of the invention, comprising: the device comprises a side plate 2, an outer cover 3, a magnetic steel backboard 4, a connecting rod, a resetting device 1 and a guiding device;
the number of the outer covers 3 is two, namely a first outer cover and a second outer cover, which are fixed on the same side of the side plate 2 at intervals, a guide rail gap in the vertical direction is arranged in the middle of the outer cover 3, and the distance of the guide rail gap is preferably between 4mm and 60 mm; a guide groove 31 is provided on the housing 3; as shown in fig. 3, the guide groove extends gradually and obliquely upwards from bottom to top; the guide grooves at the corresponding positions of the first housing and the second housing are arranged in a mirror image mode;
permanent magnets 42 are arranged on one side of the magnetic steel backboard 4, the permanent magnets are preferably a plurality of, and the magnetic poles of the adjacent permanent magnets are opposite; the guide bearing 41 is connected with the magnetic steel backboard 4; the magnetic steel backboard 4 is arranged in the outer cover 3, and the guide bearing 41 is inserted into the guide groove 31; the guide bearing 41 has an initial position and a trigger position in the guide groove 31, in which the permanent magnet 42 is smaller in length from the guide rail gap;
one end of the connecting rod is hinged with the magnetic steel backboard 4, and the connecting rod extends out through an opening of the outer cover 3; the upper end of the resetting device 1 is connected with the other end of the connecting rod, and when the resetting device 1 moves upwards, the connecting rod drives the magnetic steel backboard 4 to move to an initial position in the guide groove 31; the guiding means are connected to the side plates 2 or the housing 3 providing guiding of the resetting means 1 in the vertical direction.
As shown in fig. 4, the elevator retarder according to the above embodiment of the present invention further includes a limit plunger 5, which includes a limit rod, a limit seat, and a limit spring; the limiting rod is inserted into the mounting hole of the limiting seat, the limiting spring is mounted in the mounting hole, and the limiting spring provides overhanging thrust for the limiting rod; the limiting plunger is arranged on the outer cover; one side of the magnetic steel backboard is provided with a limit bulge; when the magnetic steel backboard is at the initial position, the limiting rod of the limiting plunger blocks the protrusion at the upper part of the protrusion; when the elevator car falls, the magnetic force between the permanent magnet and the guide rail increases along with the acceleration of the speed, when the upward pulling force of the magnetic steel backboard is larger than the blocking force of the limiting plunger, the magnetic steel backboard is converted into a triggering state from an initial state, the action gap between the permanent magnet and the guide rail is reduced, the magnetic acting force of the permanent magnet and the guide rail is increased, and then the elevator car is decelerated. The trigger of the elevator retarder is realized by utilizing the limit plunger, so that the retarder structure can be simplified, and meanwhile, the retarder does not need to be connected with other external trigger components, and the whole elevator system can be simplified.
The retarder is applied to an elevator system, so that the elevator system with better safety is formed, the elevator system comprises an elevator shaft 200, an elevator car 400 and guide rails 18, and the elevator retarder 100 is arranged on the elevator car 400; a leveling baffle 300 is fixedly installed at a leveling position at the bottom of the elevator shaft 200; the guide rail 18 is fixed in the elevator hoistway 200, the guide rail 18 passing through a guide rail gap in the middle of the housing 3 of the elevator retarder 100.
When the elevator car of the elevator system is in a falling accident, the trigger device triggers the retarder to act, the guide bearing slides in the guide groove, so that the magnetic steel backboard moves from the initial position to the trigger position, the permanent magnet is closer to the guide rail, the magnetic force is generated between the permanent magnet and the guide rail, and further a deceleration force is applied to the elevator car, so that the elevator car can fall at a safe speed. When the elevator car moves to the position of the leveling baffle plate in the elevator hoistway, the lower end of the reset device is in contact with the leveling baffle plate, the upward thrust of the leveling baffle plate is received, and then the connecting rod and the magnetic steel backboard are driven, so that the magnetic steel backboard moves downwards, the magnetic steel backboard and the guide bearing are restored to the initial position from the triggering position, the distance between the permanent magnet and the guide rail is longer, and the magnetic force between the permanent magnet and the guide rail is smaller when the elevator car moves at the normal speed. The retarder in a triggering state is automatically reset to an initial position by arranging the connecting rod, the resetting device and the guiding device.
In a preferred elevator retarder, as shown in connection with fig. 5, the links comprise a first link 15, a second link 16 and a support bearing 17; one end of the first connecting rod 15 is connected with the magnetic steel backboard 4, the other end of the first connecting rod is connected with one end of the second connecting rod, and the other end of the second connecting rod is connected with the resetting device 1; the support bearing 17 is fixed in the housing 3, the support bearing 17 being blocked above the first link 15. The support bearing is arranged in the outer cover through a shaft, and when the first connecting rod moves obliquely downwards under the upward thrust of the reset device, the movement can be smoother; the support bearing may be a rolling bearing or a sliding bearing. The other function of the support bearing is to prevent the first connecting rod from moving upwards, and the downward movement and the resetting of the magnetic steel backboard relative to the outer cover cannot be realized if the support bearing is not arranged; the second connecting rod has the function of realizing the change of force direction, one end of the second connecting rod is pushed upwards by the reset device, and the other end of the second connecting rod drives the first connecting rod to move downwards because the support bearing blocks the first connecting rod from moving upwards. It is just that above-mentioned first connecting rod, second connecting rod and support bearing three mutually support, combine reset device to go up the motion under the flat layer baffle effect, realize the automatic re-setting of magnet steel backplate.
In the elevator retarder of the first specific embodiment, the reset device 1 comprises a damping rod outer cylinder 21, a damping rod 22, a top block 23 and a slider 20; the top block 23 is fixed at one end of the damping rod 22; the damping rod outer cylinder 21 is fixedly connected with the sliding block 20; the guide device is a guide rail 18, and the guide rail 18 is vertically fixed at the side of the outer cover 3; the slide block 20 is connected with the connecting rod, and the slide block 20 can reciprocate in the guide rail 18; when the elevator retarder descends to a flat layer position, the top block firstly contacts with the flat layer baffle, the damping rod is compressed in the damping rod outer cylinder, and the damping rod outer cylinder and the sliding block drive the connecting rod to move, so that the reset of the magnetic steel backboard is realized. The damping rod provides a buffering force when the elevator car stops at a flat floor, so that the elevator car stops at the height of the flat floor baffle plate more smoothly; on the other hand, the damping rod is combined with the sliding block to reset the magnetic steel backboard in the upward movement process relative to the elevator retarder outer cover.
In a further preferred embodiment of the elevator retarder, a stop 19 is also included, which stop 19 is fixed to the lower end of the guide rail 18. The function of the stop block is to prevent the sliding block from sliding out of the guide rail when the sliding block moves downwards.
In a further preferred embodiment of the elevator retarder the slide 20 comprises a slide 20 body and a clamping plate provided with clamping arms of an arc-shaped configuration for fixing the damping rod outer cylinder 21, the clamping plate being fixedly connected with the slide 20 body. By utilizing the structure, the damping rod outer cylinder and the sliding block body can be connected, and the damping rod outer cylinder can be conveniently disassembled and maintained when the damping rod or the damping rod outer cylinder fails.
The sliding blocks and the guide rails can adopt linear sliding rail products, but due to the fact that the linear sliding rail is high in cost, dust can be accumulated in the air after long-term exposure, and the operation and the service life of the linear sliding rail are affected. The inventors have thus further improved the above embodiments in that in the elevator retarder of the second embodiment the resetting device 1 is a resetting shaft 13; the guiding device comprises a shaft seat 11 and a wear-resistant sleeve 12; the wear-resistant sleeve has the function of preventing the shaft seat hole site from being worn out due to the operation of the reset shaft; the shaft seat 11 is fixedly connected with the outer cover 3, the shaft seat 11 is provided with a shaft hole in the vertical direction, and the wear-resistant sleeve 12 is arranged in the shaft hole; the reset shaft 13 is arranged on the shaft seat 11 through a wear-resistant sleeve 12; the upper end of the reset shaft 13 is connected with a connecting rod. The resetting structure is simple and reliable, easy to maintain and relatively small in mass and volume.
In a further preferred embodiment, a buffer rubber head 14 is further included, the buffer rubber head 14 being mounted at the lower end of the reset shaft 13. Utilize the buffer rubber head can reduce the violent collision when contacting with the flat layer baffle, make the car stop more steadily, improve user's use experience.
The above disclosed features are not limited to the disclosed combinations with other features, and other combinations between features can be made by those skilled in the art according to the purpose of the invention to achieve the purpose of the invention.
Claims (6)
1. An elevator retarder with an automatic reset function, comprising: the device comprises a side plate (2), an outer cover (3), a magnetic steel back plate (4), a connecting rod, a resetting device (1) and a guiding device; the outer cover (3) is fixed on one side of the side plate (2) at intervals, and a guide rail (18) in the vertical direction is arranged in the middle of the outer cover (3); a guide groove (31) is arranged on the outer cover (3); a permanent magnet (42) is arranged on one side of the magnetic steel backboard (4); the guide bearing (41) is connected with the magnetic steel backboard (4); the magnetic steel backboard (4) is arranged in the outer cover (3), and the guide bearing (41) is inserted into the guide groove (31); the guide bearing (41) has an initial position and a trigger position in the guide groove (31), and the length of the gap between the permanent magnet (42) and the guide rail (18) is smaller in the trigger position; one end of the connecting rod is hinged with the magnetic steel backboard (4), and the connecting rod extends out through an opening of the outer cover (3); the upper end of the resetting device (1) is connected with the other end of the connecting rod, and the connecting rod is driven by the resetting device (1) to move upwards to an initial position in the guide groove (31) when the connecting rod drives the magnetic steel backboard (4); the guide device is connected with the side plate (2) or the outer cover (3) and is used for guiding the reset device (1) in the vertical direction;
the connecting rod comprises a first connecting rod (15), a second connecting rod (16) and a support bearing (17); one end of the first connecting rod (15) is connected with the magnetic steel backboard (4), the other end of the first connecting rod is connected with one end of the second connecting rod (16), and the other end of the second connecting rod (16) is connected with the resetting device (1); the support bearing (17) is fixed in the outer cover (3), and the support bearing (17) is blocked above the first connecting rod (15);
the resetting device (1) comprises a damping rod outer cylinder (21), a damping rod (22), a top block (23) and a sliding block (20); the top block (23) is fixed at one end of the damping rod (22); the damping rod outer cylinder (21) is fixedly connected with the sliding block (20); the guide device is a guide rail (18), and the guide rail (18) is vertically fixed at the side of the outer cover (3); the slide block (20) is connected with the connecting rod, and the slide block (20) can reciprocate in the guide rail (18).
2. The elevator retarder with automatic reset function according to claim 1, further comprising a stop (19), the stop (19) being fixed at the lower end of the guide rail (18).
3. Elevator retarder with automatic reset function according to claim 1 or 2, characterized in that the slide block (20) comprises a slide block (20) body and a clamping plate, the clamping plate is provided with a clamping arm with an arc-shaped structure for fixing the damping rod outer cylinder (21), and the clamping plate is fixedly connected with the slide block (20) body.
4. Elevator retarder with automatic reset function according to claim 1, characterized in that the reset device (1) is a reset shaft (13); the guiding device comprises a shaft seat (11) and a wear-resistant sleeve (12); the shaft seat (11) is fixedly connected with the outer cover (3), the shaft seat (11) is provided with a shaft hole in the vertical direction, and the wear-resistant sleeve (12) is arranged in the shaft hole; the reset shaft (13) is arranged on the shaft seat (11) through a wear-resistant sleeve (12); the upper end of the reset shaft (13) is connected with the connecting rod.
5. The elevator retarder with automatic reset function according to claim 4, further comprising a buffer rubber head (14), wherein the buffer rubber head (14) is mounted at the lower end of the reset shaft (13).
6. An elevator system comprising an elevator hoistway (200), an elevator car (400), guide rails (18), characterized in that the elevator car (400) is provided with an elevator retarder (100) according to any of claims 1-5; a flat layer baffle plate (300) is fixedly arranged at a flat layer position at the bottom of the elevator shaft (200); the guide rail (18) is fixed in the elevator shaft (200), and the guide rail (18) passes through a gap of the guide rail (18) in the middle of the outer cover (3) of the elevator retarder (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910902008.XA CN110626908B (en) | 2019-09-24 | 2019-09-24 | Elevator retarder with automatic reset function and elevator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910902008.XA CN110626908B (en) | 2019-09-24 | 2019-09-24 | Elevator retarder with automatic reset function and elevator system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110626908A CN110626908A (en) | 2019-12-31 |
| CN110626908B true CN110626908B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910902008.XA Active CN110626908B (en) | 2019-09-24 | 2019-09-24 | Elevator retarder with automatic reset function and elevator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110626908B (en) |
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| CN104724572A (en) * | 2015-03-24 | 2015-06-24 | 苏州福特美福电梯有限公司 | Anti-fall magnetic automatic decelerating device for lift car |
| CN106698160A (en) * | 2016-12-27 | 2017-05-24 | 廖忠民 | Horizontal flat layer control and safety brake device of pinion-and-rack lifting equipment |
| WO2017090145A1 (en) * | 2015-11-26 | 2017-06-01 | 三菱電機株式会社 | Emergency stop device for elevator car |
| EP3290380A1 (en) * | 2016-08-30 | 2018-03-07 | Otis Elevator Company | A stabilizing device of an elevator car |
| CN109279470A (en) * | 2018-11-22 | 2019-01-29 | 迈格钠磁动力股份有限公司 | A kind of Elevator landing security protection system |
| CN109279474A (en) * | 2017-07-21 | 2019-01-29 | 奥的斯电梯公司 | Safety device, elevator safety system and elevator device |
| CN109678025A (en) * | 2018-11-22 | 2019-04-26 | 迈格钠磁动力股份有限公司 | A kind of anti-falling safe elevator device |
| CN209177791U (en) * | 2018-09-04 | 2019-07-30 | 住友富士电梯有限公司 | A kind of electromagnetic buffer device of elevator |
| CN211141212U (en) * | 2019-09-24 | 2020-07-31 | 迈格钠磁动力股份有限公司 | Elevator retarder with automatic reset function and elevator system |
-
2019
- 2019-09-24 CN CN201910902008.XA patent/CN110626908B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724572A (en) * | 2015-03-24 | 2015-06-24 | 苏州福特美福电梯有限公司 | Anti-fall magnetic automatic decelerating device for lift car |
| WO2017090145A1 (en) * | 2015-11-26 | 2017-06-01 | 三菱電機株式会社 | Emergency stop device for elevator car |
| EP3290380A1 (en) * | 2016-08-30 | 2018-03-07 | Otis Elevator Company | A stabilizing device of an elevator car |
| CN106698160A (en) * | 2016-12-27 | 2017-05-24 | 廖忠民 | Horizontal flat layer control and safety brake device of pinion-and-rack lifting equipment |
| CN109279474A (en) * | 2017-07-21 | 2019-01-29 | 奥的斯电梯公司 | Safety device, elevator safety system and elevator device |
| CN209177791U (en) * | 2018-09-04 | 2019-07-30 | 住友富士电梯有限公司 | A kind of electromagnetic buffer device of elevator |
| CN109279470A (en) * | 2018-11-22 | 2019-01-29 | 迈格钠磁动力股份有限公司 | A kind of Elevator landing security protection system |
| CN109678025A (en) * | 2018-11-22 | 2019-04-26 | 迈格钠磁动力股份有限公司 | A kind of anti-falling safe elevator device |
| CN211141212U (en) * | 2019-09-24 | 2020-07-31 | 迈格钠磁动力股份有限公司 | Elevator retarder with automatic reset function and elevator system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110626908A (en) | 2019-12-31 |
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