CN105775949A - Detachable and telescopic lift car kickplate and high-reliability bottomless pit elevator - Google Patents
Detachable and telescopic lift car kickplate and high-reliability bottomless pit elevator Download PDFInfo
- Publication number
- CN105775949A CN105775949A CN201610299053.7A CN201610299053A CN105775949A CN 105775949 A CN105775949 A CN 105775949A CN 201610299053 A CN201610299053 A CN 201610299053A CN 105775949 A CN105775949 A CN 105775949A
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- CN
- China
- Prior art keywords
- toeguard
- fixing
- movable
- detachable
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/301—Details of door sills
Abstract
The invention provides a detachable and telescopic lift car kickplate and a high-reliability bottomless pit elevator. The detachable and telescopic lift car kickplate comprises a fixed kickplate body and a movable kickplate body. The movable kickplate body is movably connected with the fixed kickplate body and stretches out of the lower side of the fixed kickplate body or swings to the lower portion of the fixed kickplate body. The problem that an existing bottomless pit elevator is poor in safety in the running process is solved. According to the detachable and telescopic lift car kickplate and the high-reliability bottomless pit elevator, the structure that the movable kickplate body is arranged on the lower portion of the original fixed kickplate body is adopted, the actual cover range of the kickplate is expanded, and the safety of the bottomless pit elevator during using is improved; meanwhile, the movable kickplate body on the lower portion can be folded or drawn back, therefore, the integral structure of the bottomless pit elevator is compact, the safety of the bottomless pit elevator is improved, and the using cost, the maintenance cost and the running cost are reduced.
Description
Technical field
The present invention relates to without pit elevators field technical field, particularly relate to a kind of detachable, flexible toe guard of elevator car and highly reliable without pit elevator.
Background technology
Refer to that the shaft bottom absolute altitude of elevator hoistways is equal to or slightly above the elevator of ground elevation outside well, ground is not had pit without pit.Elevator components in pit or at the bottom of sedan-chair is installed to elevator and projects on the ground in outer hoistway framework or move on to top.Without pit elevator, there is installing space little, service efficiency high, therefore it is widely used in the high-quality houses such as villa, for avoiding without pit elevator in running, can not completely maintain an equal level with ground and produce danger, in prior art, the method for the fixing toeguard in the bottoms adopted in car enabling side, blocks the cavity of hoistway, it is to avoid occupant crashes into and produces danger more.But the length of existing fixing toeguard is fixing, when the drop of car Yu enabling place ground is bigger, space part can not be played the effect of blocking by its fixing toeguard being fixed on cage bottom completely, so that fixing toeguard cannot play a role, the safety decline of elevator, maintenance cost is made to increase.
Summary of the invention
For above-mentioned defect of the prior art, the invention solves the problem of poor stability in existing running process of elevator without pit.In order to achieve the above object, the present invention provides following technical scheme:
The invention provides a kind of detachable, flexible toe guard of elevator car, including: fixing toeguard, it is characterised by, also includes: movable toeguard；Described movable toeguard is flexibly connected with described fixing toeguard, stretches out or be rocked to the lower section of described fixing toeguard from the upside of described fixing toeguard or downside.
In a preferred embodiment, described fixing toeguard is arranged at car gate lower end；Two vertical edges of fixing toeguard medial surface arrange parallel guide slots, and described movable toeguard respective side arranges guide wheel, and described movable toeguard is flexibly connected by guide groove guide wheel with described fixing toeguard.
In a preferred embodiment, also include: telescopic location sensor, expansion controller and telescopic drive motor；The outfan of described telescopic location sensor is connected with the input of described expansion controller, and the outfan of described expansion controller is connected with the drive end of telescopic drive motor, and the driving end of described telescopic drive motor is flexibly connected with the side of described movable toeguard；Described telescopic location sensor is arranged on the leading flank of described fixing toeguard, current location sensitive information is sent to described expansion controller, and described in described expansion controller telescopic drive driven by motor according to described current location sensitive information-driven, movable toeguard stretches out from the bottom of described fixing toeguard.
In a preferred embodiment, the drive end that the input of described expansion controller also opens motor with car door leaf is connected；When described car door leaf opens the drive end of motor for opening activation bit, described expansion controller, according to described current location sensitive information and described unlatching activation bit, drives movable toeguard described in described telescopic drive driven by motor to stretch out from the bottom of described fixing toeguard.
In a preferred embodiment, described fixing toeguard tilts to elevator hoistways inside sidewalls, makes the base of described movable toeguard fix with described hoistway wall and is connected, and the base place of described movable toeguard wraps nylon strip.
In a preferred embodiment, described movable toeguard is connected by rotating shaft with the base of described fixing toeguard, makes the described movable toeguard inner side around described shaft foldable to described fixing toeguard.
In a preferred embodiment, also include: swing position sensor, tilt control, oscillating motor and wobble drive motor；The outfan of described swing position sensor is connected with the input of described tilt control, the outfan of described tilt control is connected with the drive end of wobble drive motor, the oil circuit outfan of described wobble drive motor connects with the side of described oscillating motor, and the extension bar end of described oscillating motor is flexibly connected with the inner side of described movable toeguard；Described swing position sensor is arranged on the leading flank of described fixing toeguard, current location sensitive information is sent to described expansion controller, oscillating motor motion described in described tilt control wobble drive motor driving according to described current location sensitive information-driven, makes the extension bar end of described oscillating motor drive described movable toeguard along described shaft swing to the lower section of described fixing toeguard.
In a preferred embodiment, the drive end that the input of described tilt control also opens motor with car door leaf is connected；When described car door leaf opens the drive end of motor for opening activation bit, described tilt control is according to described current location sensitive information and described unlatching activation bit, drive described tilt control to drive the motion of described oscillating motor, make the extension bar end of described oscillating motor drive described movable toeguard along described shaft swing to the lower section of described fixing toeguard.
In a preferred embodiment, also include: fixing nylon block；Described fixing nylon block is fixing with the base of described movable toeguard to be connected；The width of described fixing nylon block is 20～60mm, and thickness is 15～20mm.
Meanwhile, present invention also offers a kind of highly reliable without pit elevator, including, such as detachable, flexible toe guard of elevator car and the car of above-mentioned any one；The side bottom margin of described detachable, flexible toe guard of elevator car and car is fixed.
What the invention have the benefit that in the present invention is detachable, flexible toe guard of elevator car, by the bottom increase activity toeguard at fixing toeguard, during elevator is run, owing to floor stop place is inaccurate, hoistway that is that produce exposes cavity and has carried out effectively blocking, namely add the actual of toeguard and cover scope, increase without pit elevator safety in use, the movable toeguard of bottom is collapsible or regains simultaneously, therefore, make the compact overall structure without pit elevator, improve the safety without pit elevator, reduce use, safeguard and operating cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is in one embodiment of the present invention, the original state structural representation of movable toeguard in detachable, flexible toe guard of elevator car；
Fig. 1 a is in one embodiment of the present invention, the transversary schematic diagram of movable toeguard in detachable, flexible toe guard of elevator car；
Fig. 2 is in one embodiment of the present invention, the open mode structural representation of movable toeguard in detachable, flexible toe guard of elevator car；
Fig. 3 is in another embodiment of the present invention, the original state structural representation of movable toeguard in detachable, flexible toe guard of elevator car；
Fig. 4 is in another embodiment of the present invention, the open mode structural representation of movable toeguard in detachable, flexible toe guard of elevator car；
Fig. 5 is in one embodiment of the present invention, the control structure schematic diagram of movable toeguard in detachable, flexible toe guard of elevator car；
Fig. 6 is in another embodiment of the present invention, the control structure schematic diagram of movable toeguard in detachable, flexible toe guard of elevator car；
Fig. 7 is in another embodiment of the present invention, the open mode structural representation of movable toeguard in detachable, flexible toe guard of elevator car.
Fig. 8 is in another embodiment of the present invention, the control structure schematic diagram of movable toeguard in detachable, flexible toe guard of elevator car；
Fig. 9 is in another embodiment of the present invention, the control structure schematic diagram of movable toeguard in detachable, flexible toe guard of elevator car.
Detailed description of the invention
Below in conjunction with the accompanying drawing of the present invention, technical scheme is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
In one embodiment of the present invention, the agent structure of disclosed detachable, flexible toe guard of elevator car is: the fixing toeguard 20 that bottom margin 11 soldering stainless steel at car 10 is made, as shown in Fig. 1,1a, two vertical edges at fixing toeguard 20 medial surface 23 arrange parallel guide slots 24.Movable toeguard 30 respective side arranges guide wheel 31.Movable toeguard 30 is flexibly connected by guide groove guide wheel with fixing toeguard 20.That is, at the inner side 21 flexible connection activity toeguard 30 of fixing toeguard 20.Make movable toeguard 30 from or the extending below as shown in Figure 2 of fixing toeguard 20.Therefore, when car 10 is higher than elevator aperture of door bottom margin, the handle hole 29 offered on fixing toeguard 20 can be passed through, movable toeguard 30 is slided on the lower section of fixing toeguard 20, thus, the space bottom car 10 is blocked.As it is shown on figure 3, movable toeguard 30 is connected by rotating shaft 40 with the base 22 of fixing toeguard 20, make the movable toeguard 30 inner side 21 around shaft foldable to fixing toeguard 20.I.e. flexible connection activity toeguard 30 on the base 22 of fixing toeguard 20, as shown in Figure 4, makes movable toeguard 30 be rocked to the lower section of fixing toeguard 20.Therefore, when car 10 is higher than elevator aperture of door bottom margin, the handle hole 29 offered on fixing toeguard 20 can be passed through, movable toeguard 30 is overturn in the lower section of fixing toeguard 20, thus, the space bottom car 10 is blocked.
For ease of Automated condtrol, in one embodiment of the invention, also include in said structure: fixing telescopic location sensor 51 in the leading flank least significant end of fixing toeguard 20, this sensor can adopt infrared position sensor to realize.The fixing expansion controller 52 in the bottom of car 10, this fixing expansion controller 52 can adopt single-chip microcomputer or Industry Control chip to realize.At the fixing telescopic drive motor 53 in the side of movable toeguard 30, the output driving end of telescopic drive motor 53 is flexibly connected by the sidewall of rack and pinion mechanism with movable toeguard 30.As it is shown in figure 5, the sensing outfan of telescopic location sensor 51 is connected with the input of expansion controller 52, the outfan of expansion controller 52 is connected with the drive end of telescopic drive motor 53.When the leading flank least significant end of fixing toeguard 20 is lower than outside elevator hole on bottom face wall body, telescopic location sensor 51 is blocked, and therefore, does not produce induction information, illustrates that currently fixing toeguard 20 is not completely exposed, and belongs to the state that can block space；Otherwise, when the leading flank least significant end of fixing toeguard 20 is higher than outside elevator hole on bottom face wall body, telescopic location sensor 51 is not blocked, therefore, produce induction information, illustrate that currently fixing toeguard 20 is completely exposed, and belongs to the state that can not block space, then current " front have no occluder " location sensitive information is sent to expansion controller 52 by telescopic location sensor 51.The expansion controller 52 output shaft rotation according to current location sensitive information-driven telescopic drive motor 53, this output shaft driven gear, rackwork move, make movable toeguard 30 along the guide rail movement of fixing toeguard 20 both sides, stretch out from the bottom of fixing toeguard 20.Thus, play the effect that space is blocked.
Control for making above-mentioned movable toeguard is more accurate, in an embodiment of the present invention, as shown in Figure 6, the drive end that the input of expansion controller 52 also opens motor 54 with car door leaf is connected, wherein, motor 54 opened by car door leaf is the motor driving car door leaf to open to both sides or side.When car door leaf opens the drive end of motor 54 for opening activation bit, namely illustrate now, when car door leaf is in opening, expansion controller 52 is according to current above-mentioned location sensitive information and above-mentioned unlatching activation bit, and two information-driven telescopic drive motor 53 drive activity toeguards 30 stretch out from the bottom of fixing toeguard 20.Thus increasing the accuracy of control, reducing the confusion caused to control because of the erroneous judgement of " telescopic location sensor 5 ", having saved the energy, improve the accuracy of control.In another embodiment of the invention, as it is shown on figure 3, swing position sensor 58 is arranged on the leading flank of fixing toeguard 20, current location sensitive information is sent to expansion controller 52.Tilt control 55, wobble drive motor 57 and oscillating motor 56 are fixed on the bottom surface of car 10.As shown in Figure 8, the outfan of swing position sensor 58 is connected with the input of tilt control 55.The outfan of tilt control 55 is connected with the drive end of wobble drive motor 57.The oil circuit outfan of wobble drive motor 57 connects with the side of oscillating motor 56, and extension bar 561 end of oscillating motor 56 is flexibly connected with the inner side of movable toeguard 30.Tilt control 55 drives oscillating motor 56 to move according to current location sensitive information-driven wobble drive motor 57, makes the extension bar end drive activity toeguard 30 of oscillating motor 56 along shaft swing to the lower section of fixing toeguard 20.
Shown in Fig. 9, for ease of Automated condtrol, in one embodiment of the invention, the drive end that the input of tilt control 55 also opens motor 54 with car door leaf in said structure is connected.When car door leaf opens the drive end of motor 54 for opening activation bit, tilt control 55 is according to current location sensitive information and opens activation bit, drive tilt control 55 to drive oscillating motor 56 to move, make the extension bar end drive activity toeguard 30 of oscillating motor 56 along shaft swing to the lower section of fixing toeguard 20.For making the toeguard of the present invention in use, the positioning action of auxiliary can also be played, improve the safe running performance of elevator, as shown in Figure 3, also include damping tape 71, fixing damping tape 71 is fixing with the base of movable toeguard 30 to be connected, and the width of fixing damping tape is 20～60mm, and thickness is 15～20mm.
In another embodiment, for making the toeguard of the present invention in use, the positioning action of auxiliary can also be played, improve the safe running performance of elevator, as shown in Figure 7, in one embodiment of the invention, fixing toeguard 20 tilts to the lateral wall 61 of elevator hoistways 60, makes the base of movable toeguard 30 fix with hoistway wall 61 and is connected.For playing better fixation, the base place of movable toeguard 30 wraps amortisseur bar 70.
Meanwhile, present invention also offers a kind of detachable, flexible toe guard of elevator car and car, including detachable, the flexible toe guard of elevator car in above-mentioned embodiment, the side bottom margin of this detachable, flexible toe guard of elevator car and car is fixed.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with scope of the claims.
Claims (10)
1. detachable, flexible toe guard of elevator car, including: fixing toeguard, it is characterised by, also includes: movable toeguard；Described movable toeguard is flexibly connected with described fixing toeguard, stretches out or be rocked to the lower section of described fixing toeguard from the upside of described fixing toeguard or downside.
2. detachable, flexible toe guard of elevator car according to claim 1, it is characterised in that described fixing toeguard is arranged at car gate lower end；Two vertical edges of fixing toeguard medial surface arrange parallel guide slots, and described movable toeguard respective side arranges guide wheel, and described movable toeguard is flexibly connected by guide groove guide wheel with described fixing toeguard.
3. detachable, flexible toe guard of elevator car according to claim 2, it is characterised in that also include: telescopic location sensor, expansion controller and telescopic drive motor；The outfan of described telescopic location sensor is connected with the input of described expansion controller, and the outfan of described expansion controller is connected with the drive end of telescopic drive motor, and the driving end of described telescopic drive motor is flexibly connected with the side of described movable toeguard；Described telescopic location sensor is arranged on the leading flank of described fixing toeguard, current location sensitive information is sent to described expansion controller, and described in described expansion controller telescopic drive driven by motor according to described current location sensitive information-driven, movable toeguard stretches out from the bottom of described fixing toeguard.
4. detachable, flexible toe guard of elevator car according to claim 3, it is characterised in that the drive end that the input of described expansion controller also opens motor with car door leaf is connected；When described car door leaf opens the drive end of motor for opening activation bit, described expansion controller is according to described current location sensitive information and described unlatching activation bit, drive movable toeguard described in described telescopic drive driven by motor from described fixing toeguard except the bottom of upper and lower bottom is stretched out, bottom shrinks to its opposite direction when stopping, it is ensured that Stall flat bed.
5. detachable, flexible toe guard of elevator car according to claim 4, it is characterized in that, described fixing toeguard, to elevator hoistways sidewall slope, makes the base of described movable toeguard fix with described hoistway wall and is connected, and the base place of described movable toeguard wraps nylon strip.
6. detachable, flexible toe guard of elevator car according to claim 1, it is characterized in that, described movable toeguard is connected by rotating shaft with the base of described fixing toeguard, makes the described movable toeguard inner side around described shaft foldable to described fixing toeguard.
7. detachable, flexible toe guard of elevator car according to claim 6, it is characterised in that also include: swing position sensor, tilt control, oscillating motor and wobble drive motor；The outfan of described swing position sensor is connected with the input of described tilt control, the outfan of described tilt control is connected with the drive end of wobble drive motor, the oil circuit outfan of described wobble drive motor connects with the side of described oscillating motor, and the extension bar end of described oscillating motor is flexibly connected with the inner side of described movable toeguard；Described swing position sensor is arranged on the leading flank of described fixing toeguard, current location sensitive information is sent to described expansion controller, oscillating motor motion described in described tilt control wobble drive motor driving according to described current location sensitive information-driven, makes the extension bar end of described oscillating motor drive described movable toeguard along described shaft swing to the lower section of described fixing toeguard.
8. detachable, flexible toe guard of elevator car according to claim 7, it is characterised in that the drive end that the input of described tilt control also opens motor with car door leaf is connected；When described car door leaf opens the drive end of motor for opening activation bit, described tilt control is according to described current location sensitive information and described unlatching activation bit, drive described tilt control to drive the motion of described oscillating motor, make the extension bar end of described oscillating motor drive described movable toeguard along described shaft swing to the lower section of described fixing toeguard.
9. detachable, flexible toe guard of elevator car according to claim 8, it is characterised in that also include: fixing nylon tape；Described fixing nylon tape is fixing with the base of described movable toeguard to be connected；The width of described fixing nylon tape is 20～60mm, and thickness is 15～20mm.
10. highly reliable without pit elevator, it is characterised in that to include, detachable, flexible toe guard of elevator car as any one of claim 1～9 and car；The side bottom margin of described detachable, flexible toe guard of elevator car and car is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299053.7A CN105775949B (en) | 2016-05-06 | 2016-05-06 | Detachably, flexible toe guard of elevator car and highly reliable no pit elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299053.7A CN105775949B (en) | 2016-05-06 | 2016-05-06 | Detachably, flexible toe guard of elevator car and highly reliable no pit elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105775949A true CN105775949A (en) | 2016-07-20 |
| CN105775949B CN105775949B (en) | 2018-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610299053.7A Expired - Fee Related CN105775949B (en) | 2016-05-06 | 2016-05-06 | Detachably, flexible toe guard of elevator car and highly reliable no pit elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105775949B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744185A (en) * | 2017-01-16 | 2017-05-31 | 朱辰晧 | A kind of folding utility toe guard of elevator car |
| CN109179157A (en) * | 2018-09-26 | 2019-01-11 | 天奥电梯（中国）有限公司 | Shallow pit formula modularization installs elevator additional |
| CN111196544A (en) * | 2018-11-20 | 2020-05-26 | 株式会社铃木综合开发研究所 | Scalable toeguard of elevator car |
| CN112660969A (en) * | 2020-12-30 | 2021-04-16 | 亚洲富士电梯股份有限公司 | Add-on elevator with protective structure, manufacturing equipment and manufacturing process |
| US11161716B2 (en) | 2018-02-23 | 2021-11-02 | Otis Elevator Company | Elevator car toe guard system |
| US11235952B2 (en) | 2018-08-10 | 2022-02-01 | Otis Elevator Company | Elevator car apron |
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| CN1982195A (en) * | 2005-10-04 | 2007-06-20 | 维托公开股份有限公司 | Foldable self-locking toe guard for elevator car |
| JP2008230770A (en) * | 2007-03-20 | 2008-10-02 | Hitachi Ltd | Safety system of elevator |
| CN203781599U (en) * | 2014-04-04 | 2014-08-20 | 江南嘉捷电梯股份有限公司 | Telescopic lift car toe guard |
| CN205034922U (en) * | 2015-08-25 | 2016-02-17 | 湖南德力通电梯有限公司 | Perpendicular elevator of shallow pit and car toeguard thereof |
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2016
- 2016-05-06 CN CN201610299053.7A patent/CN105775949B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1982195A (en) * | 2005-10-04 | 2007-06-20 | 维托公开股份有限公司 | Foldable self-locking toe guard for elevator car |
| JP2008230770A (en) * | 2007-03-20 | 2008-10-02 | Hitachi Ltd | Safety system of elevator |
| CN203781599U (en) * | 2014-04-04 | 2014-08-20 | 江南嘉捷电梯股份有限公司 | Telescopic lift car toe guard |
| CN205034922U (en) * | 2015-08-25 | 2016-02-17 | 湖南德力通电梯有限公司 | Perpendicular elevator of shallow pit and car toeguard thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744185A (en) * | 2017-01-16 | 2017-05-31 | 朱辰晧 | A kind of folding utility toe guard of elevator car |
| US11161716B2 (en) | 2018-02-23 | 2021-11-02 | Otis Elevator Company | Elevator car toe guard system |
| US11235952B2 (en) | 2018-08-10 | 2022-02-01 | Otis Elevator Company | Elevator car apron |
| CN109179157A (en) * | 2018-09-26 | 2019-01-11 | 天奥电梯（中国）有限公司 | Shallow pit formula modularization installs elevator additional |
| CN111196544A (en) * | 2018-11-20 | 2020-05-26 | 株式会社铃木综合开发研究所 | Scalable toeguard of elevator car |
| CN111196544B (en) * | 2018-11-20 | 2023-04-11 | 株式会社铃木综合开发研究所 | Scalable toeguard of elevator car |
| CN112660969A (en) * | 2020-12-30 | 2021-04-16 | 亚洲富士电梯股份有限公司 | Add-on elevator with protective structure, manufacturing equipment and manufacturing process |
| CN112660969B (en) * | 2020-12-30 | 2021-08-27 | 亚洲富士电梯股份有限公司 | Add-on elevator with protective structure, manufacturing equipment and manufacturing process |
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| Publication number | Publication date |
|---|---|
| CN105775949B (en) | 2018-12-14 |
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Granted publication date: 20181214 |