CN108821053A - A kind of fall arrest high safety protection mechanism - Google Patents
A kind of fall arrest high safety protection mechanism Download PDFInfo
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- CN108821053A CN108821053A CN201810901352.2A CN201810901352A CN108821053A CN 108821053 A CN108821053 A CN 108821053A CN 201810901352 A CN201810901352 A CN 201810901352A CN 108821053 A CN108821053 A CN 108821053A
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- boot segment
- drive rod
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- siding track
- carriage
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- 230000004224 protection Effects 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 239000011241 protective layer Substances 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 210000001624 hip Anatomy 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 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
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009979 protective mechanism 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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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- Types And Forms Of Lifts (AREA)
Abstract
The present invention discloses a kind of fall arrest high safety protection mechanism, including guide seat, drive rod, protective layer and to elevator door opening opposite side pull drive rod counter weight construction, protective layer one end is fixed on the downside of elevator door opening, and the other end is fixedly connected on drive rod；Rotatable guide wheel is additionally provided on drive rod, guide seat has upper oblique boot segment, vertical boot segment and oblique boot segment, vertical boot segment is fixed on the doorframe of car switch door side, upper oblique boot segment lower end is connected with vertical boot segment, and upper oblique boot segment upper end, which is tilted towards in the middle part of carriage, to be extended；Oblique boot segment upper end is connected with vertical boot segment, and towards extension in the middle part of carriage, upper oblique boot segment, vertical boot segment and oblique boot segment are supported with guide wheel rolling respectively as carriage moves up and down for oblique boot segment lower end inclination；Compared with prior art, the present invention uses mechanical structure completely, ensure that the stability of entire mechanism performance.
Description
Technical field
The present invention relates to elevator safety protect field, and in particular to be a kind of fall arrest high safety protection mechanism.
Background technique
With the continuous development of science and technology and people's living standard is constantly progressive, and high buildings and large mansions are seen everywhere, as height
The elevator of one of building mansion standard configuration also has become the ancillary equipment be unableing to do without in people's daily life, and elevator is typically referred to by electricity
Machine drives and equipment straight up and down, usually all includes carriage, vertical rail, motor and clump weight, the carriage exists
Oscilaltion campaign can be carried out along vertical rail under the drive of motor, the clump weight is then by top fixed pulley and sedan-chair
Compartment is connected, and the clump weight is mainly used for balancing the weight of carriage.
In the operational process of above-mentioned elevator, since carriage is pumped on vertical rail, work as carriage
When positioned at higher position, the space of the carriage down is usually all no any barrier, at this moment once lower layer's electricity occurs
Terraced door situations, the people for entering elevator such as is opened or is maliciously pried open and then there is the risk directly fallen from eminence, this gives people
Bring great danger, although the prior art has by way of protective net is arranged realizes, but or is to adopt
With electronic type structure without absolute safety or be to existing elevator structure be transformed it is too big, considerably increase cost,
Biggish obstruction is brought to the landing implementation of safety protective mechanisms.
In view of this, the applicant furthers investigate regarding to the issue above, there is this case generation then.
Summary of the invention
The main purpose of the present invention is to provide a kind of fall arrest high safety protection mechanisms, use purely mechanical structure,
And without carrying out any structure change to traditional elevator, substantially increase safety and economy of the protection mechanism in industrialization
Property.
In order to achieve the above objectives, solution of the invention is：
A kind of fall arrest high safety protection mechanism, wherein open including guide seat, drive rod, protective layer and to elevator door
Mouth opposite side pulls the counter weight construction of drive rod, and described protective layer one end is fixed on the downside of elevator door opening, and the other end is solid
Surely it is connected on drive rod；Be additionally provided with rotatable guide wheel on the drive rod, the guide seat have upper oblique boot segment,
Vertical boot segment and oblique boot segment, the vertical boot segment are fixed on the doorframe of car switch door side, described oblique
Boot segment lower end is connected with vertical boot segment, and the upper oblique boot segment upper end, which is tilted towards in the middle part of carriage, to be extended；The oblique guidance
Duan Shangduan is connected with vertical boot segment, and towards extension in the middle part of carriage, the upper oblique boot segment is erected for the oblique boot segment lower end inclination
Straight boot segment and oblique boot segment are supported with guide wheel rolling respectively as carriage moves up and down.
Further, the guide wheel has two for being separately positioned on drive rod two sides, and the guide seat also has difference
It is arranged in two groups at left and right sides of car switch door, each guide wheel is corresponding with a guide seat.
Further, there are two attachment base, described two attachment bases and two vertical boot segments for setting between two guide seats
Between form integrally formed square shape.
Further, the upper oblique boot segment, the upper bottom of vertical boot segment and oblique boot segment composition isosceles trapezoid and two
Waist.
Further, there is the counter weight construction the first siding track, the second siding track, the first pouring weight, the second pouring weight, first to slide calmly
The two sides of carriage are arranged in wheel, the second fixed pulley, the first drawstring and the second drawstring, first siding track and the distribution of the second siding track,
First drawstring one end is connected to the side of drive rod, the first drawstring other end around after the first fixed pulley with first
Pouring weight is connected, and second drawstring one end is connected to the other side of drive rod, and the second drawstring other end is fixed sliding around second
It is connected after wheel with the second pouring weight.
Further, the both ends of the drive rod are also formed with the first rotating wheel and the second rotating wheel, first rotation
Wheel and the second rotating wheel are corresponding with the first siding track and the second siding track respectively, and the inside of first siding track and the second siding track is also divided
It is not formed with the first internal stop and the second internal stop, first internal stop and the second internal stop limit the first rotating wheel respectively
With the second rotating wheel.
Further, first fixed pulley and the second fixed pulley rotate the vertical rail for being fixed on and being oriented to carriage
On.
Further, first fixed pulley and the second fixed pulley rotate on the wall being fixed on rear side of carriage.
Further, first siding track and the second siding track are inclined to set, and first siding track and the second siding track are leaning on
The position height of nearly car switch door side is lower than the position height far from car switch door side.
Further, the protective layer is anti-drop net, anti-fall canvas or anti-fall cushion.
After adopting the above structure, a kind of fall arrest high safety protection mechanism of the present invention, only need to be to existing electricity
Ladder carries out additional processing, guide seat is mainly installed outside carriage, then set drive rod, protective layer and counter weight construction
, when lift car leaves protection mechanism, under the action of counter weight construction, the protective layer can be in softened state, thus
Play the role of protection.
When lift car moves across entire protection mechanism from top to bottom, oblique boot segment can be first and on drive rod
Guide wheel, which occurs to roll, to be supported, and under the drive of guide wheel, drive rod can be moved towards car switch door side；When guide wheel is perpendicular
When rolling on straight boot segment, the drive rod reaches most inboard position, and protective layer full retraction is got up at this time；When guide wheel is logical
When crossing vertical boot segment and entering oblique boot segment, under the action of counter weight construction, the drive rod slowly reaches outermost position
It sets, all protective layers will be fully open at this time, to achieve the effect that protection.
When lift car moves across entire protection mechanism from the bottom up, upper oblique boot segment can be first and on drive rod
Guide wheel, which occurs to roll, to be supported, and under the drive of guide wheel, drive rod can be moved towards car switch door side；When guide wheel is perpendicular
When rolling on straight boot segment, the drive rod reaches most inboard position, and protective layer full retraction is got up at this time；When guide wheel is logical
When crossing vertical boot segment and entering oblique boot segment, under the action of counter weight construction, the drive rod slowly reaches outermost position
It sets, all protective layers will be fully open at this time, to achieve the effect that protection.
Compared with prior art, the present invention uses mechanical structure completely, ensure that the stability of entire mechanism performance, then
There is no any structures to change to existing elevator by the person present invention, and only increasing a small amount of structure on the basis of existing elevator can be real
It is existing, it applies very convenient.
Detailed description of the invention
Fig. 1 is that the present invention relates to a kind of fall arrest high safety protection mechanism overall mechanism schematic diagrams.
Fig. 2 is another angle schematic diagram in Fig. 1.
Fig. 3 is that oblique boot segment and guide wheel support schematic diagram.
Schematic diagram when Fig. 4 is carriage dock floor.
Fig. 5 is the diagrammatic cross-section of Fig. 4.
Fig. 6 is car structure schematic diagram.
Fig. 7 is the structural schematic diagram after removing carriage.
Fig. 8 is that fixed pulley is fixed on rear side of carriage schematic diagram on wall.
Fig. 9 is that siding track is obliquely installed schematic diagram.
In figure：
Guide seat 1；Upper oblique boot segment 11；Vertical boot segment 12；Oblique boot segment 13；Attachment base 14；Drive rod 2；Guidance
Wheel 21；First rotating wheel 22；Second rotating wheel 23；Protective layer 3；Counter weight construction 4；First siding track 411；Second siding track 412；First
Pouring weight 421, the second pouring weight 422；First fixed pulley 431；Second fixed pulley 432；First drawstring 441；Second drawstring 442；First
Internal stop 451；Second internal stop 452；Vertical rail 5；Carriage 6；Elevator door 7.
Specific embodiment
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention
It states.
As shown in Figures 1 to 9, a kind of fall arrest high safety protection mechanism of the present invention, including guide seat 1, driving
Bar 2, protective layer 3 and the counter weight construction 4 that drive rod 2 is pulled to the opening opposite side of elevator door 7, described 3 one end of protective layer are solid
It is scheduled on the downside of the opening of elevator door 7, the other end is fixedly connected on drive rod 2；It is additionally provided on the drive rod 2 rotatable
Guide wheel 21, the guide seat 1 has upper oblique boot segment 11, vertical boot segment 12 and oblique boot segment 13, described to draw vertically
It leads section 12 to be fixed on the doorframe of 6 switch gate side of carriage, upper oblique 11 lower end of boot segment is connected with vertical boot segment 12, institute
It states oblique 11 upper end of boot segment and is tilted towards in the middle part of carriage 6 and extend；13 upper end of oblique boot segment is connected with vertical boot segment 12,
13 lower end of oblique boot segment inclination the upper oblique boot segment 11, vertical boot segment 12 and oblique is drawn towards extending in the middle part of carriage 6
It leads section 13 and is supported respectively with the rolling of guide wheel 21 as carriage 6 moves up and down.
In this way, a kind of fall arrest high safety protection mechanism of the present invention, need to only carry out existing elevator additional
Processing, guide seat 1 is mainly installed outside carriage 6, then set drive rod 2, protective layer 3 and counter weight construction 4,
When lift car 6 leaves protection mechanism, under the action of counter weight construction 4, the protective layer 3 can be in softened state, to rise
To the effect of protection.
As shown in Figures 3 to 5, when lift car 6 moves across entire protection mechanism from top to bottom, oblique boot segment 13
It can occur to roll with the guide wheel 21 on drive rod 2 first and support, under the drive of guide wheel 21, drive rod 2 can be held towards carriage 6
The movement of shutdown side；When guide wheel 21 rolls on vertical boot segment 12, the drive rod 2 reaches most inboard position, at this time
3 full retraction of protective layer is got up；When guide wheel 21 enters upper oblique boot segment 11 by vertical boot segment 12, in counterweight knot
Under the action of structure 4, the drive rod 2 slowly reaches outermost locations, and all protective layers 3 will be fully open at this time, to reach
To the effect of protection.
When lift car 6 moves across entire protection mechanism from the bottom up, upper oblique boot segment 11 can first with drive rod 2
On guide wheel 21 occur roll support, under the drive of guide wheel 21, drive rod 2 can towards 6 switch gate side of carriage move；When
For guide wheel 21 when rolling on vertical boot segment 12, the drive rod 2 reaches most inboard position, at this time all receives protective layer 3
It shrinks and；When guide wheel 21 enters oblique boot segment 13 by vertical boot segment 12, under the action of counter weight construction 4, institute
It states drive rod 2 and slowly reaches outermost locations, all protective layers 3 will be fully open at this time, to achieve the effect that protection.
Preferably, in order to avoid drive rod 2 biases, guarantee the using effect of protective layer 3, as shown in Figure 1, described draw
Guide wheel 21 has two for being separately positioned on 2 two sides of drive rod, and the guide seat 1, which also has, is separately positioned on 6 switch gate of carriage
Two groups of the left and right sides, each guide wheel 21 are corresponding with a guide seat 1.
As shown in fig. 6, there are two attachment bases for setting between two guide seats 1 in order to enhance the structural strength of guide seat 1
14, integrally formed square shape is formed between described two attachment bases 14 and two vertical boot segments 12.In this way, 1 He of guide seat
Firm integrally formed square shape is formed with attachment base 14, guide seat 1 is avoided and easily deforms and bring hidden danger.
As shown in fig. 6, the upper oblique boot segment 11, vertical boot segment 12 and oblique boot segment 13 constitute the upper of isosceles trapezoid
Bottom and two waists.Oblique boot segment 11 upper in this way and oblique boot segment 13 are with respect to the horizontal plane symmetrical, and either ascending for elevator is still
Elevator downlink can easily drive drive rod 2 to move.
As shown in fig. 7, the counter weight construction 4 has the first siding track 411, the second siding track 412, the first pouring weight 421, the second weight
Block 422, the first fixed pulley 431, the second fixed pulley 432, the first drawstring 441 and the second drawstring 442,411 He of the first siding track
Second siding track 412 is distributed the two sides that carriage 6 is arranged in, and described first drawstring, 441 one end is connected to the side of drive rod 2, described
Around being connected after the first fixed pulley 431 with the first pouring weight 421, described second drawstring, 442 one end connects first drawstring, 441 other end
Connect in the other side of drive rod 2,442 other end of the second drawstring around after the second fixed pulley 432 with 422 phase of the second pouring weight
Even.By being symmetrical arranged two drawstrings and two pouring weights, only drive rod 2 does not provide restoring force, due to being the two of left and right settings
It is a to move drive rod 2 steadily, it is not susceptible to bias.First siding track 411 and the second siding track 412 limitation drive rod 2 are vertical
The movement in direction move it can only in the horizontal plane.
Preferably, as shown in Figure 7 and Figure 8, it is biased to further limit drive rod 2, and reduces drive rod 2 and move
When resistance, the both ends of the drive rod 2 are also formed with the first rotating wheel 22 and the second rotating wheel 23, first rotating wheel
22 and second rotating wheel 23 it is corresponding with the first siding track 411 and the second siding track 412 respectively, first siding track 411 and second side
The inside of rail 412 is also respectively formed with the first internal stop 451 and the second internal stop 452, in first internal stop 451 and second
Block 452 limits the first rotating wheel 22 and the second rotating wheel 23 respectively.In this way, drive rod 2 will not fall because biasing occurs
It falls, further ensures the reliability of the movement of drive rod 2.
Preferably, as shown in Figure 1, Figure 2 and Figure 7, first fixed pulley 431 and the second fixed pulley 432 rotate fixation
On the vertical rail 5 being oriented to carriage 6.There are vertical rails 5 to be separated by between side, with carriage 6 for pouring weight in this way
It opens, pouring weight rise and fall will not be moved with carriage 6 and be interfered, and have preferable stability.
Preferably as another arrangement of pouring weight, first fixed pulley 431 and the second fixed pulley 432 are
Rotation is fixed on the wall of 6 rear side of carriage.Pouring weight is mounted on 6 side rear portion of carriage in this way, and neither influence carriage 6 is run, also not
Influence the operation up and down of the counterweight (not shown) of carriage 6 itself；The space at elevator rear portion is adequately utilized in this way, and
And also facilitate installation fixed pulley and pouring weight.
As shown in figure 9, in order to further enhance the protective capacities of protective layer 3, first siding track 411 and the second siding track
412 are inclined to set, and first siding track 411 and the second siding track 412 are low in the position height close to 6 switch gate side of carriage
In the position height far from 6 switch gate side of carriage.In this way, protective layer 3 is inclined to set, once someone falls to protective layer 3
In, people can be slided to along protective layer 3 close to the side of 6 switch gate of carriage, avoided because flurried fear causes on protective layer 3
People climbs over drive rod 2 and in the elevator that falls.
Preferably, the protective layer 3 is anti-drop net, anti-fall canvas or anti-fall cushion.
In order to further ensure the safety of the people on protective layer 3, the protection mechanism further includes that warning device (does not show in figure
Out) and telephone (not shown)；Once warning device passes through human body sensor it was found that someone falls in protective layer 3
After detecting that someone falls, control elevator is out of service, and alarms and playing alert tones pacify the people to fall；Prevent people from falling
Entering elevator after protective layer 3 and still running causes lift car 6 to crush people, and elevator operation is avoided to cause secondary injury.Meanwhile it is anti-
People on sheath 3 can connect five side's communication devices by telephone and get in touch with the external world, and the external world is sent out in time
Rescue action is made in the generation of existing fortuitous event in time.
Compared with prior art, the present invention uses mechanical structure completely, ensure that the stability of entire mechanism performance, then
There is no any structures to change to existing elevator by the person present invention, and only increasing a small amount of structure on the basis of existing elevator can be real
It is existing, it applies very convenient.
Above-described embodiment and schema and non-limiting product form and style of the invention, any technical field it is common
The appropriate changes or modifications that technical staff does it all should be regarded as not departing from patent category of the invention.
Claims (10)
1. a kind of fall arrest high safety protection mechanism, which is characterized in that including guide seat, drive rod, protective layer and to elevator
Door opening opposite side pulls the counter weight construction of drive rod, and described protective layer one end is fixed on the downside of elevator door opening, another
End is fixedly connected on drive rod；Rotatable guide wheel is additionally provided on the drive rod, the guide seat tiltedly draws with upper
Section, vertical boot segment and oblique boot segment are led, the vertical boot segment is fixed on the doorframe of car switch door side, described
Upper oblique boot segment lower end is connected with vertical boot segment, and the upper oblique boot segment upper end, which is tilted towards in the middle part of carriage, to be extended；It is described oblique
Boot segment upper end is connected with vertical boot segment, and the oblique boot segment lower end inclination extends towards carriage middle part, the upper oblique guidance
Section, vertical boot segment and oblique boot segment are supported with guide wheel rolling respectively as carriage moves up and down.
2. a kind of fall arrest high safety protection mechanism as described in claim 1, which is characterized in that the guide wheel has difference
It is arranged in two of drive rod two sides, the guide seat also has two groups be separately positioned at left and right sides of car switch door, often
A guide wheel is corresponding with a guide seat.
3. a kind of fall arrest high safety protection mechanism as claimed in claim 2, which is characterized in that be arranged between two guide seats
There are two attachment bases, form integrally formed square shape between described two attachment bases and two vertical boot segments.
4. a kind of fall arrest high safety protection mechanism as described in claim 1, which is characterized in that the upper oblique boot segment erects
The upper bottom and two waists of straight boot segment and oblique boot segment composition isosceles trapezoid.
5. a kind of fall arrest high safety protection mechanism as described in claim 1, which is characterized in that the counter weight construction has the
One siding track, the second siding track, the first pouring weight, the second pouring weight, the first fixed pulley, the second fixed pulley, the first drawstring and the second drawstring, institute
It states the first siding track and the two sides of carriage is arranged in the distribution of the second siding track, first drawstring one end is connected to the side of drive rod,
For the first drawstring other end around being connected after the first fixed pulley with the first pouring weight, second drawstring one end is connected to driving
The other side of bar, the second drawstring other end are connected with the second pouring weight later around the second fixed pulley.
6. a kind of fall arrest high safety protection mechanism as claimed in claim 5, which is characterized in that the both ends of the drive rod
Be also formed with the first rotating wheel and the second rotating wheel, first rotating wheel and the second rotating wheel respectively with the first siding track and second
Siding track is corresponding, and the inside of first siding track and the second siding track is also respectively formed with the first internal stop and the second internal stop, institute
It states the first internal stop and the second internal stop limits the first rotating wheel and the second rotating wheel respectively.
7. a kind of fall arrest high safety protection mechanism as claimed in claim 5, which is characterized in that first fixed pulley and the
Two fixed pulleys rotate on the vertical rail for being fixed on and being oriented to carriage.
8. a kind of fall arrest high safety protection mechanism as claimed in claim 5, which is characterized in that first fixed pulley and the
Two fixed pulleys rotate on the wall being fixed on rear side of carriage.
9. a kind of fall arrest high safety protection mechanism as claimed in claim 5, which is characterized in that first siding track and second
Siding track is inclined to set, and the position height of first siding track and the second siding track in close car switch door side is lower than separate
The position height of car switch door side.
10. a kind of fall arrest high safety protection mechanism as described in claim 1, which is characterized in that the protective layer is anti-fall
Net, anti-fall canvas or anti-fall cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901352.2A CN108821053B (en) | 2018-08-09 | 2018-08-09 | Anti-falling high-safety protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901352.2A CN108821053B (en) | 2018-08-09 | 2018-08-09 | Anti-falling high-safety protection mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN108821053A true CN108821053A (en) | 2018-11-16 |
| CN108821053B CN108821053B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810901352.2A Active CN108821053B (en) | 2018-08-09 | 2018-08-09 | Anti-falling high-safety protection mechanism |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59153213A (en) * | 1983-02-21 | 1984-09-01 | Mitsubishi Electric Corp | Automatic carrier device of unmanned car |
| CN103434908A (en) * | 2013-09-09 | 2013-12-11 | 无锡虹业自动化工程有限公司 | Anti-falling device for freight elevator |
| CN105270947A (en) * | 2014-06-05 | 2016-01-27 | 上海三菱电梯有限公司 | Elevator car door lock with unlocking device, elevator door motor and car door system |
| CN106865378A (en) * | 2017-03-30 | 2017-06-20 | 厦门安利倍特设备有限公司 | For the automatic lifting rescue aid of lift car |
| WO2017125793A1 (en) * | 2016-01-19 | 2017-07-27 | Uab "Barduva" | Mechanical emergency fall brake for elevator |
| CN107720508A (en) * | 2017-03-30 | 2018-02-23 | 福建科大高科发展有限公司 | One kind energy-conservation fall arrest vertical lift |
-
2018
- 2018-08-09 CN CN201810901352.2A patent/CN108821053B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59153213A (en) * | 1983-02-21 | 1984-09-01 | Mitsubishi Electric Corp | Automatic carrier device of unmanned car |
| CN103434908A (en) * | 2013-09-09 | 2013-12-11 | 无锡虹业自动化工程有限公司 | Anti-falling device for freight elevator |
| CN105270947A (en) * | 2014-06-05 | 2016-01-27 | 上海三菱电梯有限公司 | Elevator car door lock with unlocking device, elevator door motor and car door system |
| WO2017125793A1 (en) * | 2016-01-19 | 2017-07-27 | Uab "Barduva" | Mechanical emergency fall brake for elevator |
| CN106865378A (en) * | 2017-03-30 | 2017-06-20 | 厦门安利倍特设备有限公司 | For the automatic lifting rescue aid of lift car |
| CN107720508A (en) * | 2017-03-30 | 2018-02-23 | 福建科大高科发展有限公司 | One kind energy-conservation fall arrest vertical lift |
| CN107973204A (en) * | 2017-03-30 | 2018-05-01 | 福建科大高科发展有限公司 | A kind of energy-saving fall arrest vertical lift |
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| Publication number | Publication date |
|---|---|
| CN108821053B (en) | 2023-11-03 |
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Effective date of registration: 20231012 Address after: 250000 Lixia District, Jinan City, Shandong Province, 3366 Jingshi Road (Linjiazhuang) Applicant after: Sinochem Transportation Construction Group Co.,Ltd. Applicant after: Guangxi Rongwu Expressway Co.,Ltd. Address before: 362000 original electrical engineering office, 1st floor, old electromechanical office building, No.331, Xinmen street, Licheng District, Quanzhou City, Fujian Province Applicant before: QUANZHOU LICHENG YUNLI PROTECTIVE EQUIPMENT Co.,Ltd. |
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