CN109879143A - Elevator car door system and its door knife with enabling limits device - Google Patents
Elevator car door system and its door knife with enabling limits device Download PDFInfo
- Publication number
- CN109879143A CN109879143A CN201910280703.7A CN201910280703A CN109879143A CN 109879143 A CN109879143 A CN 109879143A CN 201910280703 A CN201910280703 A CN 201910280703A CN 109879143 A CN109879143 A CN 109879143A
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- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000006578 abscission Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
The present invention relates to elevator car door system and its with the door knife of enabling limits device.Door knife with enabling limits device of the invention is mounted on gate hanging plate, when elevator is parked in onlocking zone, croquet is sandwiched between first knife blade and second knife blade, when synchronous belt driving gate is opened or taken off manually in sedan-chair, swinging latch hook, top is swung to the right, realizes gate unlock.Meanwhile croquet also can make layer door with gate synchronizing unlocking with that can rotate with it.And when elevator is surprisingly parked in non-unlocking district domain; croquet is independent of each other with first knife blade and second knife blade; the door knife with enabling limits device is integrally moved to the left when occurring taking off in sedan-chair; latch hook is swung without departing from fixed lock hook; gate can not be opened; it avoids passenger from falling into hoistway due to escape because taking off, protects the safety of passenger.Therefore, also there is no need to increase additional trigger mechanism in stop side, have the advantages that structure is simple, at low cost, failure rate is low, is easily installed maintenance.
Description
Technical field
The present invention relates to elevators fields, and in particular to a kind of elevator car door system and its door knife with enabling limits device.
Background technique
As a kind of special means of transport, elevator plays increasingly important role in people's lives and work,
The security performance of elevator also receives more and more attention.
Data is shown according to statistics, because accident caused by door system failure and attended operation are made mistakes accounts for elevator in elevator accident
The 80% of accident.As the key components and parts of elevator, gate enabling limits device can be in Lift out of order or non-elevator reason
Caused by stop in ladder, avoid the passenger in lift car from generating non-reasonable human behavior reaction when being trapped in non-unlocking district domain, because
The normalization and reliability of this gate enabling limits device are most important to the safe operation of elevator.
According to the single requirement of GB7588-2003 the 1st modification, be summed up, gate enabling limits device need to meet with
Basic action request down: first is that gate enabling limits device should not influence door machine normal switch door；Second is that needing emergency relief
When, if carriage personnel in onlocking zone, carriage can open gate, if carriage personnel in non-unlocking district domain, carriage
Gate cannot be opened；Third is that when needing emergency relief, if carriage is in onlocking zone or carriage accidental movement brake area, layer
The side personnel that stand can open gate from stop side.
Summary of the invention
The purpose of the present invention is to provide a kind of elevator car door systems that can satisfy guarantee elevator car door system security performance；This
The purpose of invention, which also resides in, provides the door knife with enabling limits device used in above-mentioned elevator car door system.
To achieve the above object, the technical solution that the door knife of the invention with enabling limits device uses are as follows:
Door knife with enabling limits device, including first knife blade, second knife blade, upper link block, lower connecting block, upper pendulum
Moving part and bottom moving part；It is hinged on a upper end for knife bottom plate in the middle part of upper link block, a knife bottom is hinged in the middle part of lower connecting block
The lower end of plate, the upper end of first knife blade is hinged on the left end of link block, lower end is hinged on the left end of lower connecting block；Upper pendulum
The both ends of moving part are respectively hinged at the right end of link block and the upper end of second knife blade, and the both ends of bottom moving part are respectively articulated with
In the lower end of the right end of lower connecting block and second knife blade；Swing latch hook is fixed on second knife blade, on gate hanging plate
It is fixed with fixed lock hook, swing latch hook hooks mouth towards lower left setting, the hook of fixed lock hook when swing latch hook is engaged with fixed lock hook
Mouth hanging is arranged towards upper right side.
The middle part for swinging latch hook and being fixed on second knife blade.
The left end of bottom moving part is equipped with the unlock drawstring for driving bottom moving part to rotate counterclockwise.
Limit hole is offered on the door knife bottom plate, spacer pin is provided on upper link block, and spacer pin protrudes into the limit
Kong Zhong.
The right end of the door knife bottom plate is provided with upper limit column and lower limit column, above and below the upper limit column and lower limit column
Interval setting, the right end of upper swing component is between upper limit column and lower limit column.
Elevator car door system of the invention uses following technical scheme:
Elevator car door system, including the door knife with enabling limits device, including first knife blade, second knife blade, upper connection
Block, lower connecting block, upper swing component and bottom moving part；A upper end for knife bottom plate is hinged in the middle part of upper link block, lower connecting block
Middle part is hinged on a lower end for knife bottom plate, and the upper end of first knife blade is hinged on the left end of link block, lower end is hinged on down
The left end of link block；The both ends of upper swing component are respectively hinged at the right end of link block and the upper end of second knife blade, the bottom
The both ends of moving part are respectively hinged at the right end of lower connecting block and the lower end of second knife blade；Pendulum is fixed on second knife blade
Moveable lock hook is fixed with fixed lock hook on gate hanging plate, swings the hook mouth of swing latch hook when latch hook is engaged with fixed lock hook towards lower-left
Side is arranged, the hook mouth of fixed lock hook is arranged towards upper right side；Further include layer door, croquet is provided on layer door, is fixed on croquet
Layer door lock hook, is fixed with layer door fixed lock hook on layer door hanging plate, the hook mouth court of layer door lock hook when layer door lock hook is engaged with fixed lock hook
Lower section is arranged to the left, the hook mouth of layer door fixed lock hook is arranged towards upper right side.
The middle part for swinging latch hook and being fixed on second knife blade.
The left end of bottom moving part is equipped with the unlock drawstring for driving bottom moving part to rotate counterclockwise.
Limit hole is offered on the door knife bottom plate, spacer pin is provided on upper link block, and spacer pin protrudes into the limit
Kong Zhong.
The right end of the door knife bottom plate is provided with upper limit column and lower limit column, above and below the upper limit column and lower limit column
Interval setting, the right end of upper swing component is between upper limit column and lower limit column.
Angular connecting lever is fixed on the croquet, the layer door lock hook is fixed on end of the connecting lever far from croquet.
Beneficial effects of the present invention: the door knife of the invention with enabling limits device is mounted on gate hanging plate, works as elevator
Croquet is sandwiched between first knife blade and second knife blade when being parked in onlocking zone, synchronous belt drive gate open or
When being taken off manually in sedan-chair, the setting of upper swing component and bottom moving part so that second knife blade contact croquet can be swung therewith,
Latch hook top swing to the right is swung to drive, is detached from fixed lock hook, realizes gate unlock.Meanwhile croquet also can be with second
Knife blade rotation and be detached from layer door lock hook and layer door fixed lock hook, make layer door with gate synchronizing unlocking.And when elevator is surprisingly parked in
When non-unlocking district domain, croquet is independent of each other with first knife blade and second knife blade, first knife blade and second knife
Blade is in the state of hanging down under the effect of gravity, and the door knife with enabling limits device is integrally moved to the left when occurring taking off in sedan-chair,
Latch hook is swung without departing from fixed lock hook, gate can not be opened, and avoid passenger from falling into hoistway due to escape because taking off, protect passenger
Safety.Therefore, also there is no need to increase additional trigger mechanism in stop side, simple, the at low cost, failure rate with structure
It is low, be easily installed the advantages of maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that one embodiment of elevator car door system of the invention is installed；
Fig. 2 is the schematic perspective view of the door knife in Fig. 1 with enabling limits device；
Fig. 3 is the structural schematic diagram when door knife with enabling limits device in Fig. 2 is in door-closing in-place state；
Fig. 4 is the structural schematic diagram when door knife with enabling limits device in Fig. 2 is in onlocking zone under normal door state；
Fig. 5 is when occurring saving oneself situation when the door knife with enabling limits device in Fig. 2 is in onlocking zone in carriage in sedan-chair
Structural schematic diagram；
Fig. 6 is the structural schematic diagram occurred when rescuing outside the Room when door knife with enabling limits device in Fig. 2 is in onlocking zone；
Fig. 7 is structure when occurring saving oneself situation when the door knife with enabling limits device in Fig. 2 is in non-unlocking district domain in sedan-chair
Schematic diagram；
Fig. 8 is the structural representation occurred when rescuing outside the Room when door knife with enabling limits device in Fig. 2 is in non-unlocking district domain
Figure.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
The embodiment of elevator car door system of the invention:
The specific structure of elevator car door system is as shown in Figures 1 to 8, opens the door including elevator door-motor and the band being mounted on elevator door-motor
The door knife of limits device.Elevator door-motor includes layer door hanging plate, layer door, gate 16, gate hanging plate 14 and synchronous belt 15.Band, which opens the door, to be limited
The door knife of device processed can generate corresponding actions when elevator door-motor drives gate and layer door is opened, and guarantee gate and layer door to rise
The effect of security performance in opening process.Door knife integral installation with enabling limits device is on gate hanging plate 14, elevator door-motor
It further include the synchronous belt 15 for driving gate hanging plate 14 to move.Band opens the door when the installation site gate 16 of synchronous belt 15 is pushed aside
The door knife of limits device can be integrally moved to the left.
Door knife with enabling limits device includes first knife blade 1, second knife blade 2, upper link block 3, lower connection
Block 4, upper swing component 5 and bottom moving part 6.Wherein the middle part of upper link block 3 is hinged on a upper end for knife bottom plate 7, lower connecting block 4
Middle part is hinged on a lower end for knife bottom plate 7.The upper end of first knife blade 1 is hinged on the left end of link block 3, lower end is hinged on
The left end of lower connecting block 4.The both ends of upper swing component 5 are respectively hinged at the upper of the right end of link block 3 and second knife blade 2
End, the both ends of bottom moving part 6 are respectively hinged at the right end of lower connecting block 4 and the lower end of second knife blade 2.First knife blade
1, second knife blade 2, upper link block 3, lower connecting block 4, upper swing component 5 and bottom moving part 6 together constitute plane driver
The six roots of sensation connecting rod of structure.
The kidney-shaped limit hole 17 of the upper end processing of door knife bottom plate 7 is provided with spacer pin on upper link block 3, and spacer pin protrudes into
In the limit hole 17.Limit hole 17 can limit the rotation amplitude of link block 3.
The right end of door knife bottom plate 7 is provided with upper limit column 18 and lower limit column 19, and amplitude can be upper when upper swing component 5 rotates
Limited post 18 is limited with lower limit column 19.
It is provided with croquet 8 on layer door, a layer door lock hook 11 is fixed on croquet 8, layer door fixed lock hook is fixed on layer door hanging plate.
The hook mouth of layer door lock hook 11 is arranged towards lower left, and the hook mouth of layer door fixed lock hook is arranged towards upper right side.So in croquet 8
Layer door lock hook 11 can be swung up and abscission layer door fixed lock hook when rotating counterclockwise, at this time the controlled opening of layer door (i.e. hall door) energy,
It also can be by rescuing opening outside the Room.In the present embodiment, angular connecting lever is fixed on croquet 8, the layer door lock hook 11 is fixed on
End of the connecting lever far from croquet 8.In other embodiments, what connecting lever can also be straight-arm or other shapes can be by layer door lock hook 11
The linking arm being fixed on croquet 8.
The middle part of second knife blade 2, which is fixed with, swings latch hook 9, is fixed with fixed lock hook 10 on gate hanging plate 14.Pendulum lock
The hook mouth of hook 9 is arranged towards lower left, and the hook mouth of fixed lock hook 10 is arranged towards upper right side.So swinging latch hook 9 to the right
Top can be detached from fixed lock hook 10 when swinging, and cannot but be detached from fixed lock hook 10 in vertical move up and down.It swings latch hook 9 and is detached from lock
When hook 10 gate can controlled opening, also can by save oneself in sedan-chair or the Room outside rescue opening.
The left end of bottom moving part 6 be equipped with unlock drawstring 13, drop-down unlock drawstring 13 can drive second knife blade 2 to
Upper swing realizes gate unlock to make to swing the disengaging fixed lock hook 10 of latch hook 9.
According to national standard, onlocking zone is that gate door machine can drive layer door to carry out the region of switch gate together, be that is to say
The region that door knife and layer door croquet can be mutually twisted.In other words when elevator is in onlocking zone, croquet 8 is sandwiched in first
It, can be by driving first knife blade 1 and second movement of knife blade 2 to band between door knife blade 1 and second knife blade 2
Dynamic croquet 8 is rotated counterclockwise to layer door lock hook 11 and layer door fixed lock hook is detached from, and layer door is enable to be opened.
When elevator is in non-unlocking district domain, first knife blade 1 and second knife blade 2 will not influence croquet when moving
8, layer door lock hook 11 and layer door fixed lock hook are without departing from layer door cannot be opened.
The lower first knife blade 1 of normality and second knife blade 2 are in sagging type as shown in Figure 3 under the effect of gravity
State.Elevator is in onlocking zone when normally unlocking, and after door-inverter is connected to the door open command of elevator main control board, turns door motor
Dynamic, door machine belt drives upper link block 3 to rotate counterclockwise, upper link block 3, lower connecting block 4 drive under, first knife blade
1 moves to the right, second knife blade 2 upper direction to the left.Two door knife blades can clamp croquet 8 simultaneously, make a layer door lock
Hook 11 lifts, and is detached from layer door fixed lock hook.Meanwhile the meeting of latch hook 9 is swung as second knife blade 2 is lifted up, with fixed lock hook
10 are detached from.Door motor continues to rotate, and door opening action can be realized.
Elevator occur saving oneself in sedan-chair when being in onlocking zone situation Xiamen knife action process it is as follows: when elevator surprisingly stops
Ladder, when being just parked in onlocking zone, passenger in carriage is during gate is taken off in two sides to the left and right manually, band enabling limits device
Door knife can integrally move to the left, this process middle layer door lock hook 11 is unable to abscission layer door fixed lock hook.Dress is limited as band opens the door
The door knife set further moves, and second knife blade 2 can be contacted with croquet 8, and croquet 8 is driven to rotate counterclockwise to open layer door
Latch hook 11.Meanwhile second knife blade 2 is swung up under the obstruction of croquet 8, is lifted up swing latch hook 9 also, is realized sedan-chair
Door unlock is realized and is saved oneself in sedan-chair so that layer door and gate are opened simultaneously.
Elevator be in onlocking zone occur rescue situations Xiamen knife outside the Room action process it is as follows: when elevator surprisingly stops ladder,
When being just parked in onlocking zone, rescue personnel opens layer (i.e. realization layer door unlock after) behind the door with triangular key outside the Room, passes through layer
Door crack between a door and its frame (the national standard crack between a door and its frame is not more than 50mm), it can be seen that the swing latch hook 9 being mounted on above second knife blade 2.
Latch hook 9 is swung at this point it is possible to dial up, makes to swing latch hook 9 and fixed lock hook 10 is detached from, realize gate unlock, and then can be simultaneously
Layer door and gate are opened, realizes and is rescued outside the Room.
Elevator be in non-unlocking district domain occur rescue situations Xiamen knife in sedan-chair action process it is as follows: when elevator surprisingly stops
Ladder, when being parked in non-unlocking district domain, during two sides push gate aside to the left and right as the passenger in carriage, with enabling limits device
Door knife can integrally move to the left, be at this time no croquet within the scope of first knife blade 1 and second 2 vertical area of knife blade
8, so swinging latch hook 9 will not lift, it can be engaged with fixed lock hook 10, play the role of limiting gate unlatching, passenger cannot
Gate is opened, avoids due to passenger escapes because taking off and falls into hoistway, protect the safety of passenger.
Elevator be in non-unlocking district domain occur rescue situations Xiamen knife outside the Room action process it is as follows: when elevator surprisingly stops
Ladder, when being parked in non-unlocking district domain, rescue personnel opens layer behind the door (i.e. after the unlock of realization layer door) with triangular key outside the Room, Ke Yixiang
Lower pulling unlocks drawstring 13, makes second knife blade 2 that swing latch hook 9 be driven to be lifted up, and makes to swing latch hook 9 and fixed lock hook 10 is de-
From, realization gate unlock, and then gate can be opened, it realizes and is rescued outside the Room.
Finally, it is stated that: the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
The embodiment of door knife with enabling limits device of the invention:
The specific structure of door knife with enabling limits device of the invention is opened with band in the embodiment of elevator car door system of the invention
The specific structure of the door knife of door restrict device is identical, specifically refers to Fig. 1 to Fig. 8, this will not be detailed here.
Claims (7)
1. the door knife with enabling limits device, it is characterised in that: including first knife blade, second knife blade, upper link block,
Lower connecting block, upper swing component and bottom moving part；A upper end for knife bottom plate, the middle part of lower connecting block are hinged in the middle part of upper link block
It is hinged on a lower end for knife bottom plate, the upper end of first knife blade is hinged on the left end of link block, lower end is hinged on lower connection
The left end of block；The both ends of upper swing component are respectively hinged at the right end of link block and the upper end of second knife blade, bottom moving part
Both ends be respectively hinged at the right end of lower connecting block and the lower end of second knife blade；Pendulum lock is fixed on second knife blade
Hook is fixed with fixed lock hook on gate hanging plate, and the hook mouth for swinging swing latch hook when latch hook is engaged with fixed lock hook is set towards lower left
It sets, the hook mouth of fixed lock hook is arranged towards upper right side.
2. the door knife of band enabling limits device according to claim 1, it is characterised in that: the swing latch hook is fixed on
The middle part of two knife blades.
3. the door knife of band enabling limits device according to claim 1, it is characterised in that: the left end of bottom moving part is equipped with
Unlock drawstring for driving bottom moving part to rotate counterclockwise.
4. the door knife of band enabling limits device according to any one of claim 1 to 3, it is characterised in that: the door knife
Limit hole is offered on bottom plate, spacer pin is provided on upper link block, and spacer pin protrudes into the limit hole.
5. the door knife of band enabling limits device according to claim 4, it is characterised in that: the right end of the door knife bottom plate is set
It is equipped with upper limit column and lower limit column, between the upper and lower every setting, the right end of upper swing component is located at for the upper limit column and lower limit column
Between upper limit column and lower limit column.
6. elevator car door system, it is characterised in that: including a kind of band enabling limits device described in any one of claims 1 to 5
Door knife, further include layer door, croquet be provided on layer door, a layer door lock hook is fixed on croquet, is fixed with layer door on layer door hanging plate
Fixed lock hook, layer door lock hook hooks mouth towards lower left setting, the hook of layer door fixed lock hook when layer door lock hook is engaged with fixed lock hook
Mouth is arranged towards upper right side.
7. elevator car door system according to claim 6, it is characterised in that: be fixed with angular connecting lever, institute on the croquet
State layer door lock hook end far from croquet that is fixed on connecting lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910280703.7A CN109879143A (en) | 2019-04-09 | 2019-04-09 | Elevator car door system and its door knife with enabling limits device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910280703.7A CN109879143A (en) | 2019-04-09 | 2019-04-09 | Elevator car door system and its door knife with enabling limits device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109879143A true CN109879143A (en) | 2019-06-14 |
Family
ID=66936566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910280703.7A Pending CN109879143A (en) | 2019-04-09 | 2019-04-09 | Elevator car door system and its door knife with enabling limits device |
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| Country | Link |
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| CN (1) | CN109879143A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626927A (en) * | 2019-09-11 | 2019-12-31 | 杭州优迈科技有限公司 | Integrated car door lock synchronous door knife and door knife system |
| CN116081436A (en) * | 2023-04-07 | 2023-05-09 | 沈阳华彩机械制造有限公司 | Locking and dragging device of arc door machine |
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| JPH1121051A (en) * | 1997-07-01 | 1999-01-26 | Hitachi Ltd | Elevator landing door unlocking device |
| KR20020093525A (en) * | 2001-06-09 | 2002-12-16 | 오티스엘리베이터캄파니 | Car door locking device for elevator |
| CN102398833A (en) * | 2011-09-30 | 2012-04-04 | 快意电梯有限公司 | Elevator lift car door lock synchronization door edge |
| CN102923554A (en) * | 2012-10-26 | 2013-02-13 | 昆山集智成模具有限公司 | Integrated door knife for car door lock |
| CN202944967U (en) * | 2012-10-29 | 2013-05-22 | 宁波欣达电梯配件厂 | Synchronous door knife with car door lock function |
| CN104528505A (en) * | 2014-12-15 | 2015-04-22 | 展鹏科技股份有限公司 | Integrated car door locking blade |
| CN107381305A (en) * | 2017-08-07 | 2017-11-24 | 宁波力隆机电股份有限公司 | A kind of door knife structure |
| CN206842807U (en) * | 2017-04-11 | 2018-01-05 | 苏州和阳智能制造股份有限公司 | A kind of synchronous door knife |
| CN209721318U (en) * | 2019-04-09 | 2019-12-03 | 西继迅达（许昌）电梯有限公司 | Elevator car door system and its door knife with enabling limits device |
-
2019
- 2019-04-09 CN CN201910280703.7A patent/CN109879143A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1121051A (en) * | 1997-07-01 | 1999-01-26 | Hitachi Ltd | Elevator landing door unlocking device |
| KR20020093525A (en) * | 2001-06-09 | 2002-12-16 | 오티스엘리베이터캄파니 | Car door locking device for elevator |
| CN102398833A (en) * | 2011-09-30 | 2012-04-04 | 快意电梯有限公司 | Elevator lift car door lock synchronization door edge |
| CN102923554A (en) * | 2012-10-26 | 2013-02-13 | 昆山集智成模具有限公司 | Integrated door knife for car door lock |
| CN202944967U (en) * | 2012-10-29 | 2013-05-22 | 宁波欣达电梯配件厂 | Synchronous door knife with car door lock function |
| CN104528505A (en) * | 2014-12-15 | 2015-04-22 | 展鹏科技股份有限公司 | Integrated car door locking blade |
| CN206842807U (en) * | 2017-04-11 | 2018-01-05 | 苏州和阳智能制造股份有限公司 | A kind of synchronous door knife |
| CN107381305A (en) * | 2017-08-07 | 2017-11-24 | 宁波力隆机电股份有限公司 | A kind of door knife structure |
| CN209721318U (en) * | 2019-04-09 | 2019-12-03 | 西继迅达（许昌）电梯有限公司 | Elevator car door system and its door knife with enabling limits device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626927A (en) * | 2019-09-11 | 2019-12-31 | 杭州优迈科技有限公司 | Integrated car door lock synchronous door knife and door knife system |
| CN116081436A (en) * | 2023-04-07 | 2023-05-09 | 沈阳华彩机械制造有限公司 | Locking and dragging device of arc door machine |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Applicant after: Xiji Xunda Elevator Co., Ltd Address before: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Applicant before: XJ SCHINDLER (XUCHANG) ELEVATOR Co.,Ltd. |
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