CN107954296A - A kind of fabricated construction elevator shaft and elevator - Google Patents
A kind of fabricated construction elevator shaft and elevator Download PDFInfo
- Publication number
- CN107954296A CN107954296A CN201711236624.3A CN201711236624A CN107954296A CN 107954296 A CN107954296 A CN 107954296A CN 201711236624 A CN201711236624 A CN 201711236624A CN 107954296 A CN107954296 A CN 107954296A
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- Prior art keywords
- elevator shaft
- side frame
- chip side
- lateral column
- connector
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000011218 segmentation Effects 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 241000508805 Calamagrostis canadensis Species 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 16
- 238000003466 welding Methods 0.000 description 8
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The present invention relates to a kind of fabricated construction elevator shaft and elevator, the elevator shaft includes multiple chip side frames and the connector for each chip side frame to be fixedly connected, the end to end segmentation for forming elevator shaft or forming elevator shaft successively of multiple chip side frames, multiple segmentations are spliced to form the elevator shaft successively, and the connector is connected between the chip side frame or between the segmentation.It is substantially in tabular or L-shaped frame that the present invention, which splits into elevator shaft multiple, can stack space shared when significantly reducing original more piece modul hoistway transport and difficulty layer by layer, drastically increase the efficiency of hoistway entrucking.
Description
Technical field
The invention belongs to lift facility field, more particularly to a kind of fabricated construction elevator shaft and elevator.
Background technology
With the quickening of aging of population process and the increasingly raising of Living consumption additional, electricity is installed to built multi-storey building
The demand of ladder will also increase increasingly.Built multi-storey building installs elevator additional because without design hoistway, common method is to add in advance
One outdoor hoistway supplies elevator installation and operation.But existing hoistway with steel structure is using monoblock type site welding or with prefabricated
The welding of steel member scene forms, very high to overhead welding technological requirement, and whole work progress is in outdoor progress, climate environment shadow
Sound is larger, and the duration is very long, and often beyond 60 days, long-term construction noise was big, and the event that disturbs residents also occurs often.Another steel construction well
Road is complete assembled, all using single prefabricated steel member, is connected with fastening at the scene and forms.Though this steel structure hoistway
Welding trouble is so saved, but steel member quantity is very much, and structure is also more complicated, very high to steel member matching requirements, hoistway column, horizontal stroke
The geometric tolerances such as the depth of parallelism, verticality between bar will all influence installation quality, operational reliability and the seating of elevator in hoistway
Comfort, therefore the construction period is still very long, installation cost is also higher.In addition, existing hoistway with steel structure construction and the peace of elevator
Dress is distinct, typically after hoistway construction, then carries out elevator installation and debugging, therefore the total time of outdoor elevators installation is very
Long, live labour cost is also very big, causes to install elevator totle drilling cost additional and improves, and many built multi-storey buildings install elevators additional also can be because
This and can not realize.
For the current state of the art and development obstacles for installing elevator additional, the integration of module-type steel structure hoistway has been developed
Elevator (CN 102180395B).The integrated elevator, including hoistway with steel structure and all parts of hoistway making processing and
Technique assembling is all completed in the workshop of factory, and elevator on-site only carries out modular lifting and debugging.But this kind of module type steel
The hoistway of structure is still transported when dispatching from the factory with larger frame form, can still take larger transport space, transport
It is extremely inconvenient.
The content of the invention
Highly less fabricated construction elevator shaft is taken the object of the present invention is to provide a kind of, its major way is to adopt
Use slice structure.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of fabricated construction elevator shaft, it is described
Elevator shaft includes multiple chip side frames and the connector for each chip side frame to be fixedly connected, multiple described
The end to end segmentation for forming elevator shaft or forming elevator shaft successively of formula side frame, multiple segmentations are spliced to form successively
The elevator shaft, the connector are connected between the chip side frame or between the segmentation.
Optimization, the chip side frame is in integrally tabular or L-type, and the elevator shaft includes chip at least described in two panels
Side frame, the chip side frame include two lateral columns, the crossbeam being connected between the lateral column and are connected between the lateral column
Reinforcing beam, the connector be arranged on the lateral column on.
Optimization, the chip side frame includes the side frame body of at least two perpendicular settings, and the elevator shaft includes
Chip side frame described in two panels.
Further, the side frame body includes two lateral columns, the crossbeam being connected between the lateral column and is connected to
Reinforcing beam between the lateral column, two side frame bodies of the same chip side frame share a lateral column.
Optimization, the chip side frame and/or connector are made of steel or aluminium alloy extrusions or carbon fibre material.
Further, the connector include at the same time be mutually fixedly connected with two lateral columns mutually spliced or at the same time with lateral column and
The connection sheet that crossbeam is mutually fixedly connected and the bolt assembly for being fixedly connected with the connection sheet and lateral column；Or the connection
Part is the connecting flange or butt junction location being fixed in hyponymy and in the splice ends of two lateral columns mutually spliced
Bolt.
Further, fixation kit is equipped between the crossbeam and the lateral column, the fixation kit includes fixation and is arranged
Fixed seat on the lateral column, has casing of the opening towards crossbeam in the fixed seat, and the crossbeam is fixed and is inserted in institute
State in casing.
Further, the bolt assembly includes multiple bolts, and the head of wherein at least one bolt has to overhanging
What is gone out is used to aid in the extension section of installation.
Further, the lead of auxiliary installation is respectively equipped with the joint face of two connecting flanges to match
And guide groove, the lead are inserted in the guide groove.
Present invention also offers a kind of elevator, it includes elevator shaft, car assembly and traction system, the elevator
Road is above-mentioned slice structure elevator shaft.
The beneficial effects of the present invention are：It is substantially in tabular or L-shaped frame that the present invention, which splits into elevator shaft multiple,
, space shared when significantly reducing original more piece modul hoistway transport and difficulty can be stacked layer by layer, greatly
Ground improves the efficiency of hoistway entrucking.
Brief description of the drawings
Fig. 1 is the explosive view of hoistway in embodiment one；
Fig. 2 is the three-dimensional view of hoistway in embodiment one；
Fig. 3 is the explosive view of hoistway in embodiment two；
Fig. 4 is the three-dimensional view of hoistway in embodiment two；
Fig. 5 is the three-dimensional view of hoistway in embodiment three；
Fig. 6 is the three-dimensional view of connector in embodiment one；
Fig. 7 is the three-dimensional view of connector in embodiment two；
Fig. 8 is the three-dimensional view of connector in embodiment three；
Fig. 9 is the three-dimensional view of connector in example IV；
Figure 10 is the three-dimensional view of elevator shaft in embodiment five；
Figure 11 is the three-dimensional view of connector in embodiment five；
Figure 12 is the decomposition view of connector in embodiment five；
Figure 13 is the three-dimensional view of slice structure elevator in embodiment six.
Embodiment
Shown embodiment is described in detail below the present invention below in conjunction with the accompanying drawings：
Embodiment one
Slice structure elevator includes slice structure elevator shaft, car assembly and traction system.As shown in Fig. 1,2,6,
Slice structure elevator shaft includes multiple chip side frames 1, the connector 2 for each chip side frame 1 to be fixedly connected, institute
State the formation elevator shaft end to end successively of chip side frame 1.
The overall chip side frame 1 is in tabular, and the elevator shaft includes four chip side frames 1.The chip
Side frame 1 include two lateral columns 11, the crossbeam 12 that is connected between the lateral column 11 and be connected between the lateral column 11 plus
Brutal 13, the connector 2 are arranged on the lateral column 11.The chip side frame 1 and/or connector 2 use steel or carbon fiber
Material is made.The lateral column 11 can be square tube, rectangular tube, pipe, triangular pipe etc., and the crossbeam 12 can be square tube, rectangle
Pipe, pipe, triangular pipe etc., reinforcing beam 13 can be square tube, rectangular tube, pipe, triangular pipe etc..
The connector 2 include at the same time be fixedly connected with two 11 phases of the lateral column mutually spliced or at the same time with lateral column 11 and crossbeam
The connection sheet 21 that 12 phases are fixedly connected and the bolt assembly 22 for being fixedly connected with the connection sheet 21 and lateral column 11.It is described
Bolt assembly 22 includes multiple bolts, and the head of wherein at least one bolt, which has to what hoistway outside was stretched out, is used for auxiliary installation
Extension section 221, the extension section 221 is in the form of a column, thereon with shape of threads fixing groove, when installing hoistway, can be used as lifting
The auxiliary fixing member of equipment can be used for cable position-limiting action as hoistway auxiliary positioning part.Fixation kit can be socket
Can also be connecting plate 23 and bolt assembly 22, in the present embodiment, fixation kit includes connecting plate 23 and bolt assembly 22,
The both ends of connecting plate 23 are fixedly connected with lateral column 11 and crossbeam 12 by 22 phase of bolt assembly respectively.
Embodiment two
Slice structure elevator includes slice structure elevator shaft, car assembly and traction system.As shown in Fig. 1,2,7,
Slice structure elevator shaft includes multiple chip side frames 1, the connector 2 being connected between the chip side frame 1, the chip side
The formation elevator shaft end to end successively of frame 1.
The overall chip side frame 1 is in tabular, and the elevator shaft includes four chip side frames 1.The chip
Side frame 1 include two lateral columns 11, the crossbeam 12 that is connected between the lateral column 11 and be connected between the lateral column 11 plus
Brutal 13, the connector 2 are arranged on the lateral column 11.The chip side frame 1 and/or connector 2 use steel or carbon fiber
Material is made.The lateral column 11 can be square tube, rectangular tube, pipe, triangular pipe etc., and the crossbeam 12 can be square tube, rectangle
Pipe, pipe, triangular pipe etc., reinforcing beam 13 can be square tube, rectangular tube, pipe, triangular pipe etc..
The connector 2 includes the connection sheet 21 being fixedly connected at the same time with two 11 phases of the lateral column mutually spliced and for solid
Surely the bolt assembly 22 of the connection sheet 21 and lateral column 11 is connected.Phase is respectively equipped with the Mosaic face of two lateral columns 11 mutually spliced
Matched groove and raised line 27, the raised line 27 are embedded in the groove.Fixation kit can be that socket can also be connection
Plate 23 and bolt assembly 22, in the present embodiment, fixation kit include connecting plate 23 and bolt assembly 22, and the two of connecting plate 23
End is fixedly connected with lateral column 11 and crossbeam 12 by 22 phase of bolt assembly respectively.
Embodiment three
Slice structure elevator includes slice structure elevator shaft, car assembly and traction system.As shown in Fig. 5,8, piece
Formula structure elevator shaft includes multiple chip side frames 1, the connector 2 being connected between the chip side frame 1, the chip side frame
1 formation elevator shaft end to end successively.
The overall chip side frame 1 is in tabular, and the elevator shaft includes four chip side frames 1.The chip
Side frame 1 include two lateral columns 11, the crossbeam 12 that is connected between the lateral column 11 and be connected between the lateral column 11 plus
Brutal 13, the connector 2 are arranged on the lateral column 11.The chip side frame 1 and/or connector 2 use steel or carbon fiber
Material is made.The side frame of two splicings shares a lateral column 11.The lateral column 11 can be square tube, rectangular tube, pipe, three
Cornue etc., the crossbeam 12 can be square tube, rectangular tube, pipe, triangular pipe etc., and reinforcing beam 13 can be square tube, rectangular tube, circle
Pipe, triangular pipe etc..
In the present embodiment, the connector 2 is fixation kit, and fixation kit includes connecting plate 23 and bolt assembly 22,
The both ends of connecting plate 23 are fixedly connected with lateral column 11 and crossbeam 12 by 22 phase of bolt assembly respectively.
Example IV
Slice structure elevator includes slice structure elevator shaft, car assembly and traction system.As shown in Fig. 5,9, piece
Formula structure elevator shaft includes multiple chip side frames 1, the connector 2 being connected between the chip side frame 1, the chip side frame
1 formation elevator shaft end to end successively.
The chip side frame 1 includes the side frame body 14 of two perpendicular settings, and the elevator shaft is included described in two panels
Chip side frame 1.The side frame body 14 includes two lateral columns 11, the crossbeam 12 being connected between the lateral column 11 and is connected to
Reinforcing beam 13 between the lateral column 11.Two side frame bodies 14 of the same chip side frame 1 share a lateral column 11,
The lateral column 11 is columnae medialis 11, and in addition two lateral columns 11 are lived for outside, and the connector 2 is arranged on the mixed lateral column 11.It is described
Chip side frame 1 and/or connector 2 are made of steel or carbon fibre material.The chip side frame 1 of two splicings shares one
Lateral column 11.The lateral column 11 can be square tube, rectangular tube, pipe, triangular pipe etc., the crossbeam 12 can be square tube, rectangular tube,
Pipe, triangular pipe etc., reinforcing beam 13 can be square tube, rectangular tube, pipe, triangular pipe etc..
In the present embodiment, the connector 2 is fixation kit, and fixation kit includes fixing sleeve and is arranged on the lateral column 11
Fixed seat 24, there is in the fixed seat 24 casing 25 of the opening towards crossbeam 12, the crossbeam 12 fix be inserted in it is described
In casing 25.
Embodiment five
Slice structure elevator includes slice structure elevator shaft, car assembly and traction system.Such as the institute of Figure 10,11,12
Show, slice structure elevator shaft includes multiple chip side frames 1 and connector 2, and two chip side frames 1 splice enclosing successively
The segmentation 10 of elevator shaft is formed, multiple segmentations 10 are spliced to form the elevator from beginning to end from the bottom to top or from top to bottom
Road, the connector 2 be connected between the chip side frame 1 and it is described segmentation 10 between.
The chip side frame 1 includes the side frame body 14 of two perpendicular settings, and the elevator shaft is included described in two panels
Chip side frame 1.The side frame body 14 includes two lateral columns 11, the crossbeam 12 being connected between the lateral column 11 and is connected to
Reinforcing beam 13 between the lateral column 11.Two side frame bodies 14 of the same chip side frame 1 share a lateral column 11,
The lateral column 11 is columnae medialis 11, and in addition two lateral columns 11 are lived for outside, and the connector 2 is arranged on the mixed lateral column 11.It is described
Chip side frame 1 and/or connector 2 are made of steel or carbon fibre material.The lateral column 11 can be square tube, rectangular tube, circle
Pipe, triangular pipe etc., the crossbeam 12 can be square tube, rectangular tube, pipe, triangular pipe etc., and reinforcing beam 13 can be square tube, rectangle
Pipe, pipe, triangular pipe etc..
Connector 2 is the connection being fixed in hyponymy and in the splice ends of two mutually the spliced lateral columns 11
Flange 26.The lead 28 of auxiliary installation is respectively equipped with the joint face of two connecting flanges 26 to match and is oriented to
Groove, the lead 28 are inserted in the guide groove, and quakeproof lacquer is coated with lead 28, one layer is coated with joint face
The elastic membrane of 0.5-1mm thickness.
Also welding can be used in the various embodiments described above, between lateral column 11 and crossbeam 12, lateral column 11 and reinforcing beam 13 or is combined
Above-described embodiment uses welding and 2 combination of connector, connection sheet 21 or connecting plate 23 and lateral column 11 and crossbeam 12 or lateral column
11 flush with the splicing seams of reinforcing beam 13, after the completion of connection sheet 21 or the fixation of connecting plate 23, are welded in reinforcing beam 13 and lateral column 11
Wherein one or more sides of connection sheet 21 or connecting plate 23 and 13 solid welding of reinforcing beam very big can be obtained the company of raising by Shi Nengshun bands
Intensity is connect, while is welded after connection sheet 21 and the fixation of connecting plate 23, can ensure that precision, planarization and the stability of welding.
Embodiment six
As shown in figure 13, slice structure elevator includes slice structure elevator shaft, car assembly 31 and traction system 32.
The present embodiment and embodiment five difference lies in：Its connecting flange 26 does not stretch out in the outside of segmentation 10.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that spirit is made, should be covered by the protection scope of the present invention.
Claims (10)
- A kind of 1. fabricated construction elevator shaft, it is characterised in that：The elevator shaft includes multiple chip side frames and is used for The connector that each chip side frame is fixedly connected, multiple chip side frames successively it is end to end formation elevator shaft or Person forms the segmentation of elevator shaft, and multiple segmentations are spliced to form the elevator shaft successively, and the connector is connected to institute State between chip side frame or between the segmentation.
- 2. fabricated construction elevator shaft according to claim 1, it is characterised in that：The chip side frame is in integrally tablet Shape or L-type, the elevator shaft include chip side frame at least described in two panels, and the chip side frame includes two lateral columns, is connected to Crossbeam between the lateral column and the reinforcing beam being connected between the lateral column, the connector are arranged on the lateral column.
- 3. fabricated construction elevator shaft according to claim 1, it is characterised in that：The chip side frame includes at least two The side frame body of a perpendicular setting, the elevator shaft include chip side frame described in two panels.
- 4. fabricated construction elevator shaft according to claim 3, it is characterised in that：The side frame body includes two sides Column, the crossbeam being connected between the lateral column and the reinforcing beam being connected between the lateral column, the same chip side frame Two side frame bodies share a lateral column.
- 5. fabricated construction elevator shaft according to claim 1, it is characterised in that：The chip side frame and/or connection Part is made of steel or aluminium alloy extrusions or carbon fibre material.
- 6. the fabricated construction elevator shaft according to claim 2 or 4, it is characterised in that：The connector is included at the same time Mutually it is fixedly connected with two lateral columns mutually spliced or the connection sheet that is mutually fixedly connected with lateral column and crossbeam at the same time and for fixing Connect the bolt assembly of the connection sheet and lateral column；Or the connector is fixed in hyponymy and mutually splices Connecting flange or butt junction location bolt in the splice ends of two lateral columns.
- 7. the fabricated construction elevator shaft according to claim 2 or 4, it is characterised in that：The crossbeam and the lateral column Between be equipped with fixation kit, the fixation kit includes the fixed seat that fixing sleeve is arranged on the lateral column, has in the fixed seat There is casing of the opening towards crossbeam, the crossbeam is fixed and is inserted in described sleeve pipe.
- 8. fabricated construction elevator shaft according to claim 6, it is characterised in that：The bolt assembly includes multiple spiral shells Bolt, the head of wherein at least one bolt have the outwardly directed extension section for being used to aid in installation.
- 9. fabricated construction elevator shaft according to claim 6, it is characterised in that：Two connection methods to match The lead and guide groove of auxiliary installation are respectively equipped with blue joint face, the lead is inserted in the guide groove.
- 10. a kind of elevator, it includes elevator shaft, car assembly and traction system, it is characterised in that：The elevator shaft is Any fabricated construction elevator shaft in claim 1~9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354967 | 2017-10-20 | ||
| CN2017213549675 | 2017-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107954296A true CN107954296A (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721644294.7U Active CN207483122U (en) | 2017-10-20 | 2017-11-30 | A kind of fabricated construction elevator shaft and elevator |
| CN201711236624.3A Pending CN107954296A (en) | 2017-10-20 | 2017-11-30 | A kind of fabricated construction elevator shaft and elevator |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721644294.7U Active CN207483122U (en) | 2017-10-20 | 2017-11-30 | A kind of fabricated construction elevator shaft and elevator |
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| Country | Link |
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| CN (2) | CN207483122U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821058A (en) * | 2018-08-29 | 2018-11-16 | 郑超 | Assembled steel structure elevator shaft |
| CN109052109A (en) * | 2018-08-20 | 2018-12-21 | 宁波宏大电梯有限公司 | A kind of steel structure lift shaft component |
| CN109138364A (en) * | 2018-09-20 | 2019-01-04 | 上海三菱电梯有限公司 | A kind of installation elevator shaft structure and its building method |
| CN110127492A (en) * | 2019-04-30 | 2019-08-16 | 苏州珀威智能科技有限公司 | A kind of elevator frame and its installation method |
| CN116477445A (en) * | 2023-03-22 | 2023-07-25 | 广州市机电安装有限公司 | Construction method for integral pre-assembly of steel structure well elevator |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207483122U (en) * | 2017-10-20 | 2018-06-12 | 东南电梯股份有限公司 | A kind of fabricated construction elevator shaft and elevator |
| CN115788103A (en) * | 2023-02-08 | 2023-03-14 | 集束智能装配科技有限公司 | Construction method of elevator shaft modular assembly structure system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109052109A (en) * | 2018-08-20 | 2018-12-21 | 宁波宏大电梯有限公司 | A kind of steel structure lift shaft component |
| CN109052109B (en) * | 2018-08-20 | 2024-02-13 | 宁波宏大电梯有限公司 | Steel construction elevator well subassembly |
| CN108821058A (en) * | 2018-08-29 | 2018-11-16 | 郑超 | Assembled steel structure elevator shaft |
| CN109138364A (en) * | 2018-09-20 | 2019-01-04 | 上海三菱电梯有限公司 | A kind of installation elevator shaft structure and its building method |
| CN110127492A (en) * | 2019-04-30 | 2019-08-16 | 苏州珀威智能科技有限公司 | A kind of elevator frame and its installation method |
| CN116477445A (en) * | 2023-03-22 | 2023-07-25 | 广州市机电安装有限公司 | Construction method for integral pre-assembly of steel structure well elevator |
| CN116477445B (en) * | 2023-03-22 | 2024-03-19 | 广州市机电安装有限公司 | Construction method for integral pre-assembly of steel structure well elevator |
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| CN207483122U (en) | 2018-06-12 |
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