CN109733974A - A kind of elevator reducing roof construction volume - Google Patents
A kind of elevator reducing roof construction volume Download PDFInfo
- Publication number
- CN109733974A CN109733974A CN201910220061.1A CN201910220061A CN109733974A CN 109733974 A CN109733974 A CN 109733974A CN 201910220061 A CN201910220061 A CN 201910220061A CN 109733974 A CN109733974 A CN 109733974A
- Authority
- CN
- China
- Prior art keywords
- car
- diversion sheave
- guide rail
- elevator
- car floor
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses the elevators that one kind can reduce roof construction volume, belong to forcibly driving elevator field.The present invention includes car guide rail, host, diversion sheave device, car floor component, traction rope；Car guide rail is symmetrically disposed on hoistway two sides；Host is fixed on shaft bottom；Diversion sheave device is fixedly installed on car guide rail top；Car floor component includes car floor supporting member, and car floor supporting member can slide on car guide rail along the axial reciprocating of car guide rail；Safety tongs device, lift car rope head plate are additionally provided on the left side wall of car floor supporting member, right side wall；One end of traction rope is connected on host, and the other end of traction rope was connect after passing around diversion sheave device with lift car rope head plate.The elevator no longer needs to reserve supporting beam duct and collar tie beam in hoistway top layer, reduces requirement of the elevator installation to hoistway headroom height, has saved roof installation space, and elevator structure stress is more stable.
Description
Technical field
The invention belongs to forcibly driving elevator fields, and in particular to the elevator of roof construction volume can be reduced to one kind.
Background technique
Ascending for elevator or downlink are too fast in order to prevent, and accident occurs, and generally can install safety tongs in the two sides of elevator, work as electricity
Limiter of speed movement can be triggered when ladder operation hypervelocity, speed limiter wire rope acts safety tongs by safety tongs shift mechanism, safety
Pincers clamp cage guide stop elevator carriage.It is existing
Conventionally, as the limitation of building structure, villa elevator hoistway headroom height and melt pit depth are all smaller.
But in existing villa elevator, the safety tongs of forcibly driving elevator generallys use and sets structure on safety tongs, and this structure is often
Need to occupy biggish hoistway top layer and pit space, while structure is complex, higher cost.Meanwhile it is existing in order to match
The installation requirements of diversion sheave supporting beam in technology, well headroom diversion sheave supporting beam need reserved beam hole.But it is current other
In the construction of villa, most elevator shafts are excessive without reserving hole or reserving hole scale error, bring not to the installation of later period elevator
Benefit influences, and the later period is not only needed to construct hoistway again, but also increases the workload of later period elevator installation.Headroom height has
Limit, diversion sheave supporting beam and limiter of speed bracket are without more installation spaces.Therefore, re-optimization is needed to design elevator structure.
Summary of the invention
It is an object of the invention to: existing villa elevator hoistway is mismatched for elevator structure existing in the prior art
Problem, provides a kind of elevator that can reduce roof construction volume, the elevator no longer need in hoistway top layer reserve supporting beam duct and
Collar tie beam reduces requirement of the elevator installation to hoistway headroom height, has saved roof installation space, and elevator structure stress is more
Add stabilization.
The technical solution adopted by the invention is as follows:
A kind of elevator reducing roof construction volume, including car guide rail, host, diversion sheave device, car floor component, traction
Rope:
Car guide rail is symmetrically disposed on hoistway two sides；
Host is fixed on shaft bottom；
Diversion sheave device is fixedly installed on car guide rail top；
Car floor component includes car floor supporting member, car floor supporting member can axial direction on car guide rail along car guide rail it is past
Multiple sliding；Safety tongs device, lift car rope head plate are additionally provided on the left side wall of car floor supporting member, right side wall；
One end of traction rope is connected on host, the other end of traction rope passed around after diversion sheave device with lift car rope head plate
Connection.
Further, diversion sheave device includes diversion sheave supporting beam component, and diversion sheave supporting beam component, which is fixed on carriage, leads
Rail top；The left end of diversion sheave supporting beam component, right end are hinged with diversion sheave group；One end of diversion sheave supporting beam component is also set
It is equipped with governor assemblies.
Further, diversion sheave supporting beam component includes short beam, long beam, and two short beams are respectively arranged at corresponding carriage
On guide rail, long beam is set up between two short beams, and two groups of diversion sheave groups are articulated with the both ends of long beam.
Further, governor assemblies include limiter of speed bracket, and limiter of speed bracket is fixed on the short beam of side, limiter of speed branch
Speed limiter is set on frame.
Further, traction rope includes two, and a traction rope successively passes around left side diversion sheave group A, right side diversion sheave group
B, it is connect after left side diversion sheave group A with left side lift car rope head plate, another traction rope successively passed around left side diversion sheave group A, the right side
It is connect after the diversion sheave group B of side with right side lift car rope head plate；Left side diversion sheave group A includes three diversion sheaves of coaxial arrangement, right side
Diversion sheave group B includes two diversion sheaves of coaxial arrangement.
Further, the left side wall of car floor supporting member, be provided with carriage guide shoe on right side wall, carriage guide shoe is installed on
On car guide rail, and car floor supporting member can be slided on car guide rail along the axial reciprocating of car guide rail by carriage guide shoe.
Further, safety tongs device is symmetrically disposed on the two sides of car floor supporting member, safety tongs device include safety tongs,
Safety tongs linkage, safety tongs pulling apparatus.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, in existing villa forcibly driving elevator technology, diversion sheave device is fixed on hoistway, to need hoistway
Diversion sheave supporting beam hole is reserved at top, but the demand and the design of existing villa structure, design for aesthetic mismatch.Meanwhile
The prior art is vertical also to need additional individually designed production limiter of speed bracket, limiter of speed is installed on well headroom, this kind arrangement
Mode is not easy to install, and increases construction volume.And in present embodiment, diversion sheave device is fixed on car guide rail
Portion eliminates the supporting beam in the prior art in well headroom, and the hole that reserved or construction in later period is increased, meanwhile, limit
Fast device bracket is wholely set with diversion sheave supporting beam component, is simplified modular construction, has been saved installation space, with existing villa
Design is adapted, and not only reduces roof construction volume, no longer destruction villa wall body structure, and also improves installation effectiveness.
2, it in existing villa forcibly driving elevator technology, is set on safety tongs, this kind of arrangement and diversion sheave device are solid
Due to hoistway top layer technical solution to the more demanding of villa hoistway headroom height, thus in the prior art installation villa electricity
When terraced, it is often necessary to additionally construct to elevator shaft, increase workload, reduce working efficiency.In present embodiment,
Safety tongs is underlying, and safety tongs device is wholy set on the car floor supporting member 1 of cage bottom, reduces elevator to hoistway top
When the requirement of layer height, i.e. hoistway design or installation elevator change hoistway, without the factor for considering further that safety tongs.Meanwhile it will
Safety tongs device is integrally placed in down cage bottom, also makes sedan-chair frame structure stress more stable.
Detailed description of the invention
Fig. 1 is overall schematic of the invention；
Fig. 2 is car floor supporting member schematic diagram (car bottom plate expansion) of the invention；
Fig. 3 is diversion sheave device schematic diagram of the invention；
Fig. 4 is that traction rope of the invention winds schematic diagram；
Marked in the figure: 1- car guide rail, 2- host, 3- diversion sheave device, 301- diversion sheave group, the left side 301A- diversion sheave
Group, the right side 301B- diversion sheave group, 302- short beam, 303- long beam, 304- limiter of speed bracket, 305- limiter of speed, 4- car floor group
Part, 401- car floor supporting member, 4021- safety tongs, 4022- safety tongs linkage, 403- lift car rope head plate, 404- carriage are led
Boots.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention.
A kind of elevator reducing roof construction volume, including car guide rail 1, host 2, diversion sheave device 3, car floor component 4,
Traction rope.
Wherein, car guide rail 1 includes the guide rail that two sections are T-type, and two guide rails are symmetrically disposed on hoistway two sides；Carriage
Guide rail 1 is set in hoistway by rail brackets fixed frame.
Host 2 is fixed on shaft bottom, and host 1 is set between side car guide rail 1 and wall of well.
Different from diversion sheave device is fixed on well headroom in the prior art, diversion sheave device 3 is fixed in the present embodiment
It is set to 1 top of car guide rail.Diversion sheave device 3 includes diversion sheave supporting beam component, and diversion sheave supporting beam component is fixed on sedan-chair
1 top of compartment guide rail.Diversion sheave supporting beam component includes two short beams 302, two root long crossbeams 303, and two short beams 302 are horizontal respectively
It is symmetrically disposed on corresponding car guide rail 1,303 level frame of long beam is set between two short beams 302.Long beam 303 with it is short
Beam 302 is fixed by bolt and nut component.Long beam 302 includes two symmetrically set channel steel, and diversion sheave group 301 is set to two
Between root channel steel, channel steel not only acts as the effect of support, also acts as the effect of rope blocking plate, helps to ensure that the steady of traction rope operation
It is qualitative, prevent its disengaging.Two groups of diversion sheave groups 301 are articulated with the both ends of long beam 303.Wherein, left side diversion sheave group 301A packet
Three diversion sheaves of coaxial arrangement are included, right side diversion sheave group 301B includes two diversion sheaves of coaxial arrangement.Specifically, diversion sheave
It is set on diversion sheave axis, winding slot is formed on diversion sheave, traction rope is wound in winding slot.
Governor assemblies include limiter of speed bracket 304, and limiter of speed bracket 304 is fixed on side short beam 302, limiter of speed branch
Speed limiter 305 is set on frame 304.
In existing villa forcibly driving elevator technology, diversion sheave device is fixed on hoistway, to need hoistway top
Portion reserves diversion sheave supporting beam hole, but the demand and the design of existing villa structure, design for aesthetic mismatch.Meanwhile it is existing
There is technology is vertical also to need additional individually designed production limiter of speed bracket, limiter of speed is installed on well headroom, this kind of arrangement side
Formula is not easy to install, and increases construction volume.And in present embodiment, diversion sheave device is fixed on car guide rail top,
The supporting beam in the prior art in well headroom, and the hole that reserved or construction in later period is increased are eliminated, meanwhile, limiter of speed
Bracket is wholely set with diversion sheave supporting beam component, simplifies modular construction, has saved installation space, with existing Houses Design
It is adapted, not only reduces roof construction volume, no longer destruction villa wall body structure, and also improve installation effectiveness.
Car floor component 4 include car floor supporting member 401, the present embodiment not restriction to car floor supporting member 401,
The car floor bracket that the frame structure of the compositions such as plate, channel steel, I-steel can be used, is also possible to underbeam.By taking car floor bracket as an example,
It is symmetrically arranged with carriage guide shoe 404 on the left side wall of car floor supporting member 401, right side wall, carriage guide shoe 404 is installed on carriage
On guide rail 1, and car floor supporting member can be slided on car guide rail 1 along the axial reciprocating of car guide rail 1 by carriage guide shoe 404
It is dynamic.Meanwhile the two sides of car floor supporting member 1 are also symmetrically arranged with safety tongs device, safety tongs device includes safety tongs 4021, peace
Full pincers linkage 4022, safety tongs pulling apparatus.Safety tongs linkage 4022 is set to inside car floor.
It in existing villa forcibly driving elevator technology, is set on safety tongs, this kind of arrangement is fixed with diversion sheave device
In hoistway top layer technical solution to the more demanding of villa hoistway headroom height, thus in the prior art installation villa elevator
When, it is often necessary to it additionally constructs to elevator shaft, increases workload, reduce working efficiency.In present embodiment, peace
It clamps entirely underlying, safety tongs device is wholy set on the car floor supporting member 1 of cage bottom, reduces elevator to hoistway top layer
When the requirement of height, i.e. hoistway design or installation elevator change hoistway, without the factor for considering further that safety tongs.Meanwhile it will pacify
Full clamp device is integrally placed in down cage bottom, also makes sedan-chair frame structure stress more stable.
Traction rope includes two, generally uses wirerope.One end of traction rope is connected on host 1, a traction rope according to
It is secondary pass around left side diversion sheave group 301A, right side diversion sheave group 301B, left side diversion sheave group 301A after connect with left side lift car rope head plate
Connect, another traction rope successively passed around after left side diversion sheave group 301A, right side diversion sheave group 301B with right side lift car rope head plate
Connection.Two traction ropes are to meet the regulation in national standard, to guarantee the security performance of elevator.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. the elevator that one kind can reduce roof construction volume, it is characterised in that: including car guide rail (1), host (2), diversion sheave dress
Set (3), car floor component (4), traction rope；
The car guide rail (1) is symmetrically disposed on hoistway two sides；
The host (2) is fixed on shaft bottom；
The diversion sheave device (3) is fixedly installed on the car guide rail (1) top；
The car floor component (4) includes car floor supporting member (401), and the car floor supporting member (401) can lead in the carriage
It is slided on rail (1) along the axial reciprocating of the car guide rail (1)；On the left side wall of the car floor supporting member (401), right side wall
It is additionally provided with safety tongs device, lift car rope head plate (403)；
One end of the traction rope is connected on the host (1), and the other end of the traction rope passed around diversion sheave device (3)
It is connect afterwards with the lift car rope head plate (403).
2. the elevator that one kind according to claim 1 can reduce roof construction volume, it is characterised in that: the diversion sheave device
It (3) include diversion sheave supporting beam component, the diversion sheave supporting beam component is fixed on the car guide rail (1) top；It is described anti-
The left end of rope sheave supporting beam component, right end are hinged with diversion sheave group (301)；One end of the diversion sheave supporting beam component is also set
It is equipped with governor assemblies.
3. the elevator that one kind according to claim 2 can reduce roof construction volume, it is characterised in that: the diversion sheave support
Beam assembly includes short beam (302), long beam (303), and two short beams (302) are horizontally placed on corresponding car guide rail (1) respectively
On, the long beam (303) is set up between two short beams (302), and two groups of diversion sheave groups (301) are articulated with long beam (303)
Both ends.
4. the elevator that one kind according to claim 3 can reduce roof construction volume, it is characterised in that: the governor assemblies
Including limiter of speed bracket (304), the limiter of speed bracket (304) is fixed on side short beam (302), the limiter of speed bracket
(304) speed limiter (305) are set on.
5. the elevator that one kind according to claim 3 can reduce roof construction volume, it is characterised in that: the traction rope includes
Two, a traction rope successively passes around left side diversion sheave group (301A), right side diversion sheave group (301B), left side diversion sheave group
(301A) is connect with left side lift car rope head plate afterwards, another traction rope successively passed around left side diversion sheave group (301A), right side it is anti-
Pulley set (301B) is connect with right side lift car rope head plate afterwards；The left side diversion sheave group (301A) includes that three of coaxial arrangement are anti-
Rope sheave, the right side diversion sheave group (301B) include two diversion sheaves of coaxial arrangement.
6. the elevator that one kind according to claim 4 can reduce roof construction volume, it is characterised in that: the car floor supports structure
It is provided with carriage guide shoe (404) on the left side wall of part (401), right side wall, the carriage guide shoe (404) is installed on the carriage
On guide rail (1), and the car floor supporting member can be on the car guide rail (1) along described by the carriage guide shoe (404)
The axial reciprocating of car guide rail (1) slides.
7. the elevator that one kind according to claim 6 can reduce roof construction volume, it is characterised in that: the safety tongs device
The two sides of the car floor supporting member are symmetrically disposed on, the safety tongs device includes safety tongs (4021), safety tongs linkage dress
Set (4022), safety tongs pulling apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220061.1A CN109733974B (en) | 2019-03-21 | 2019-03-21 | Elevator capable of reducing roof construction quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220061.1A CN109733974B (en) | 2019-03-21 | 2019-03-21 | Elevator capable of reducing roof construction quantity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109733974A true CN109733974A (en) | 2019-05-10 |
| CN109733974B CN109733974B (en) | 2024-01-30 |
Family
ID=66371065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910220061.1A Active CN109733974B (en) | 2019-03-21 | 2019-03-21 | Elevator capable of reducing roof construction quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109733974B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467096A (en) * | 2019-07-25 | 2019-11-19 | 山东奔速电梯股份有限公司 | The driving device of indoor elevator |
| CN114104930A (en) * | 2021-11-24 | 2022-03-01 | 上海三菱电梯有限公司 | Elevator system |
| CN114394507A (en) * | 2022-01-19 | 2022-04-26 | 深圳市嘉伯科技有限公司 | Magnetic suspension elevator |
| CN115279681A (en) * | 2020-03-12 | 2022-11-01 | 因温特奥股份公司 | Method for forming a guide structure for guiding an elevator car in an elevator shaft |
| CN110467096B (en) * | 2019-07-25 | 2024-06-07 | 山东奔速电梯股份有限公司 | Driving device of indoor elevator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001187678A (en) * | 1999-12-28 | 2001-07-10 | Mitsubishi Electric Corp | Elevator device |
| JP2002003124A (en) * | 2000-06-23 | 2002-01-09 | Mitsubishi Electric Corp | Elevator installing device, and installing method thereof |
| CN102363486A (en) * | 2011-11-19 | 2012-02-29 | 希姆斯电梯(中国)有限公司 | Underlying elevator without machine room |
| CN205240995U (en) * | 2015-12-21 | 2016-05-18 | 山东奔速电梯股份有限公司 | Well arrangement structure of home use elevator |
| CN205873573U (en) * | 2016-06-29 | 2017-01-11 | 昆山苏梯机电科技有限公司 | Low top layer does not have pit elevator |
| CN206553029U (en) * | 2017-03-24 | 2017-10-13 | 河北科莱电梯有限公司 | The gantry frame structure layout of compact machine-roomless lift |
| CN209974041U (en) * | 2019-03-21 | 2020-01-21 | 多普勒电梯股份有限公司 | Elevator capable of reducing roof construction amount |
-
2019
- 2019-03-21 CN CN201910220061.1A patent/CN109733974B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001187678A (en) * | 1999-12-28 | 2001-07-10 | Mitsubishi Electric Corp | Elevator device |
| JP2002003124A (en) * | 2000-06-23 | 2002-01-09 | Mitsubishi Electric Corp | Elevator installing device, and installing method thereof |
| CN102363486A (en) * | 2011-11-19 | 2012-02-29 | 希姆斯电梯(中国)有限公司 | Underlying elevator without machine room |
| CN205240995U (en) * | 2015-12-21 | 2016-05-18 | 山东奔速电梯股份有限公司 | Well arrangement structure of home use elevator |
| CN205873573U (en) * | 2016-06-29 | 2017-01-11 | 昆山苏梯机电科技有限公司 | Low top layer does not have pit elevator |
| CN206553029U (en) * | 2017-03-24 | 2017-10-13 | 河北科莱电梯有限公司 | The gantry frame structure layout of compact machine-roomless lift |
| CN209974041U (en) * | 2019-03-21 | 2020-01-21 | 多普勒电梯股份有限公司 | Elevator capable of reducing roof construction amount |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467096A (en) * | 2019-07-25 | 2019-11-19 | 山东奔速电梯股份有限公司 | The driving device of indoor elevator |
| CN110467096B (en) * | 2019-07-25 | 2024-06-07 | 山东奔速电梯股份有限公司 | Driving device of indoor elevator |
| CN115279681A (en) * | 2020-03-12 | 2022-11-01 | 因温特奥股份公司 | Method for forming a guide structure for guiding an elevator car in an elevator shaft |
| CN114104930A (en) * | 2021-11-24 | 2022-03-01 | 上海三菱电梯有限公司 | Elevator system |
| CN114104930B (en) * | 2021-11-24 | 2023-10-03 | 上海三菱电梯有限公司 | Elevator system |
| CN114394507A (en) * | 2022-01-19 | 2022-04-26 | 深圳市嘉伯科技有限公司 | Magnetic suspension elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109733974B (en) | 2024-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109733974A (en) | A kind of elevator reducing roof construction volume | |
| WO2015013684A3 (en) | Elevators and counterweights moving independently in hoistway | |
| US8407876B2 (en) | Modernization method for elevator installations | |
| EP2826742B1 (en) | Elevator system | |
| CN200995922Y (en) | Lower-rear machine room elevator | |
| CN201395455Y (en) | Non-machinery room elevator | |
| CN103228565A (en) | Extending roller guides | |
| KR100950991B1 (en) | Traction machine structure for an elevator and cage assembly | |
| CN103264946A (en) | Elevator without counterweight device | |
| CN203740811U (en) | Household elevator | |
| CN206126573U (en) | Machine -room -less goods elevator | |
| CN109761132A (en) | A kind of forcibly driving elevator | |
| CN107531458A (en) | Elevator device | |
| CN206735570U (en) | Cage guide structure | |
| CN214733629U (en) | Top bearing structure for elevator and elevator | |
| CN110526051A (en) | A kind of elevator with multiple compartments system | |
| CN102398824A (en) | Lifting device for small house | |
| CN102408052A (en) | Counter-weight-free traction type passenger elevator | |
| CN203159006U (en) | Bottom-arranged winch-type domestic elevator | |
| CN209974041U (en) | Elevator capable of reducing roof construction amount | |
| CN208980118U (en) | A kind of machine-roomless lift rope head fixing device | |
| CN209009921U (en) | Shallow pit formula modularization installs elevator additional | |
| CN103010906A (en) | Tractor arrangement structure for elevator without machine room | |
| CN109132797B (en) | Elevator traction suspension system with door opened at right angle without machine room | |
| CN105293249B (en) | Lift appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |