CN107522042A - Household elevator control system - Google Patents
Household elevator control system Download PDFInfo
- Publication number
- CN107522042A CN107522042A CN201710825576.5A CN201710825576A CN107522042A CN 107522042 A CN107522042 A CN 107522042A CN 201710825576 A CN201710825576 A CN 201710825576A CN 107522042 A CN107522042 A CN 107522042A
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- China
- Prior art keywords
- elevator
- flight screw
- control system
- hoistable platform
- platform
- 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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- 238000004891 communication Methods 0.000 claims abstract description 39
- 238000012545 processing Methods 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 230000011664 signaling Effects 0.000 claims abstract description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000005336 safety glass Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
-
- 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
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
-
- 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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
Abstract
The present invention relates to a kind of Household elevator control system, including：Remote server, central processing module, wireless communication module, elevator communication control system, two-flight screw drive system, slideway, modularization carry hoistway and hoistable platform；Central processing module is connected by wireless communication module with remote server；Two-flight screw drive system drives hoistable platform to be moved up and down in hoistway interior edge slideway.The organic conjunction of drive control that the present invention communicates wireless 4G with home lift, control system is more reliable, greatly improve home lift automaticity, the relevant information of elevator operation is transferred to host computer by 4G mobile radio communications, and host computer carries out uninterrupted monitoring in 24 hours to the elevator operation of client；Remote signalling, remote regulating, remote control and lock machine function are realized, the security information and operation information of elevator operation are transmitted wirelessly by 4G communication systems to host computer.
Description
Technical field
The present invention relates to a kind of apparatus for controlling elevator, is to be related to a kind of Household elevator control system specifically.
Background technology
At present, the country, application of the home lift of foreign brand name in China are relatively broad；But control system Datong District of elevator
Small difference, the communication software control system of elevator is short of, function is not perfect enough, simply can guarantee that the basic peace of client's elevator operation
Full performance requirement；Lack and communication communication is faced directly to the point-to-point of client, lack real-time monitoring and control to the operation of client's elevator；
During generation elevator operation troubles, it is impossible to synchronously link up and safeguard that the time limit is longer with client.
The content of the invention
For above-mentioned deficiency of the prior art, the present invention, which provides one kind, can greatly improve home lift automaticity
Household elevator control system.
The technical solution used in the present invention is：
A kind of Household elevator control system, including：Remote server, central processing module, wireless communication module, elevator lead to
Letter control system, two-flight screw drive system, slideway, modularization carry hoistway and hoistable platform；Central processing module passes through
Wireless communication module is connected with remote server；Two-flight screw drive system drives hoistable platform on hoistway interior edge slideway
Lower motion.
The security information and operation information real-time Transmission of elevator operation are to remote server；Central processing module is set
There are 4G communication interfaces；
Central processing module is realized by 4G interfaces and communicated with the wechat of user；
User checks elevator operation information with cell phone application, safeguards information；User realizes elevator call with cell phone application
Function；
The communication of 1 to 6 layer of home lift is realized by 4G communication interfaces；Communicated by 4G communication interfaces with host computer；
By 4G communication interfaces realize drive control, maintenance control, failure security, fire protection warning, automatic running and remote signalling,
Remote control, remote regulating；
The run time of user's elevator is able to record by 4G communicating remote servers；
Service time can effectively be provided the user with；
Remote server connects elevator micro processor, learns the preliminary failure of elevator；
User is remotely controlled elevator by cell phone application；Instruction elevator rests in the floor of needs；
Remote server and elevator micro processor control elevator simultaneously, and elevator micro processor is preferentially i.e. local to be grasped
Make preferential.
Two-flight screw drive system includes：Driving control system, main electric system, two-flight screw, brakes；
Two-flight screw drive system drives frequency converter, and frequency converter receives the operating of driving instruction motor；
The motor passes through belt transmission, driving bearing screwed cap rotation；
Bearing screwed cap is connected with two-flight screw；
Two-flight screw is vertically set in hoistway；
Bearing screwed cap moves up and down along two-flight screw drives hoistable platform lifting；
Two-flight screw passes through support and static slideway secure fit；
Two-flight screw is fixed by the plain thrust bearing on crossbeam and locking nut, and load-carrying nut drives platform support
Move up and down, oil-containing nylon sliding block is provided between support and slideway.
The bottom of the two-flight screw is connected with emergent from drop direct-current driving device；
It is emergent to include dc motor, the rotation of DC motor drive two-flight screw, lifting from drop direct-current driving device
Platform is declined with inspection speed.
The slideway is molded for matter Aluminum alloy tensile；Static slideway and two-flight screw secure fit；
Modularization hoistway is made up of aluminium alloy extrusions, door system, main electric control system, steel composite board, fire-fighting safety glass.
Hoistable platform is arranged in hoistway；
Hoistable platform includes safe edge and manned lift platform；
Hoistable platform is provided with hoistable platform connecting plate；Platform edges are equipped with floating bezel and detection switch, when frame floats
Switch motion provides signal and is transmitted to processor；
Hoistable platform is connected by sliding block with slideway；
There are four fixed seats on platform support, four sliding blocks are installed respectively and fixed by adjusting nut, four sliding blocks are divided into
Two groups, every group two pieces, front and rear each one group is embraced in the both sides of slideway；Platform slides between two slideways；
Hoistable platform is provided with platform operations plate, and platform operations plate includes：Emergency stop push button, alarm button, floor Shen
Please button and upper and lower operation display screen；
Hoistable platform is connected with bearing screwed cap；
Motor is arranged on hoistable platform；
Bearing screwed cap bottom is provided with the protection nut being connected with two-flight screw；
Bearing screwed cap is equipped with bearing, and protection nut is connected by connecting rod with bearing screwed cap.
Bearing screwed cap is sleeved in belt wheel；Belt wheel drives bearing screwed cap rotation；
Rubber sheath is set with two-flight screw, the upper end of rubber sheath is connected with bearing screwed cap bottom, rubber shield
The lower end of set is connected with protection nut top.
The brakes is electromagnetic brake, and electromagnetic brake is fixed on the installing plate of belt pulley.
The beneficial effect of the present invention compared with the prior art：
Household elevator control system of the present invention, it is simple in construction, it is easy to operate, by wireless 4G communications and the driving of home lift
Organic conjunction is controlled, control system is more reliable, greatly improves home lift automaticity, can create good economic benefit and society
Can benefit；The relevant information of elevator operation is transferred to host computer by 4G mobile radio communications, and host computer is transported to the elevator of client
Row state carries out uninterrupted monitoring in 24 hours；Realize remote signalling, remote regulating, remote control and lock machine function, the security information of elevator operation and
Operation information is transmitted wirelessly by 4G communication systems to host computer；When externally communicating interruption, failure simultaneously, elevator is not interfered with
Normal operation.
Brief description of the drawings
Fig. 1 is the main structure diagram of the two-flight screw drive system of Household elevator control system of the present invention；
Fig. 2 is the overlooking the structure diagram of the two-flight screw drive system of Household elevator control system of the present invention；
Fig. 3 is the hoistable platform main structure diagram of Household elevator control system of the present invention；
Fig. 4 is the hoistable platform overlooking the structure diagram of Household elevator control system of the present invention；
Fig. 5 is the hoistway main structure diagram of Household elevator control system of the present invention；
Fig. 6 is the hoistway overlooking the structure diagram of Household elevator control system of the present invention；
Fig. 7 is the hoistway side structure schematic view of Household elevator control system of the present invention；
Fig. 8 is the communication control system schematic diagram of Household elevator control system of the present invention；
Fig. 9 is the load-bearing drive nut and two-flight screw attachment structure schematic diagram of Household elevator control system of the present invention；
Figure 10 is Fig. 2 A close-up schematic view；
Figure 11 is Fig. 6 C close-up schematic view；
Figure 12 is Fig. 6 D close-up schematic view.
Critical piece symbol description in accompanying drawing：
In figure：
1st, positive stop 2, frequency converter are overshooted
3rd, elevator communication control system 4, bottom out, overshoot limiting and protecting device
5th, electromagnetic brake 6, bearing screwed cap
7th, protect nut 8, bottom out positive stop
9th, encoder 10, sensor sensing corner fittings
11st, motor 12, sensor
13rd, two-flight screw 14, emergent drop direct-current driving device certainly
15th, hoistable platform 16, lifting platform safety side
17th, hoistable platform connecting plate 18, run display screen up and down
19th, floor application button 20, alarm button
21st, emergency stop push button 22, platform operations plate
23rd, sliding way 24, terraced door
25th, hoistway 26, burst disk
27th, electric panel room
31st, nylon6 chips 32, sliding block
33rd, support and sliding block fixed seat 34, moved cross beam (crossbeam)
35th, rubber sheath 36, bottom plate
37th, belt pulley 38, upper mounted plate
39th, connecting rod 40, detection switch
41st, 42,43, bearing 44, support beam
45th, support 46, platform column
47th, guide rail (slideway) 48, just doubling glass
49th, 50, glass fixed border is fixed at turning
51st, frame 52, doorframe
53rd, belt.
Embodiment
Referring to the drawings and embodiment the present invention will be described in detail：
The top and bottom that stopping means is separately mounted to guide rail are overshooted and bottom out, sensor and sensing answer corner fittings main
It is spacing when being the effect and installation and debugging and remote control operation for sensing floor.
Knowable to accompanying drawing 1-12, a kind of Household elevator control system, including：Remote server, central processing module, channel radio
News module, elevator communication control system, two-flight screw drive system, slideway, modularization carry hoistway and hoistable platform；Center
Processing module is connected by wireless communication module with remote server；Two-flight screw drive system drives hoistable platform in well
Road interior edge slideway moves up and down.
The security information and operation information real-time Transmission of elevator operation are to remote server；Central processing module is set
There are 4G communication interfaces；
Central processing module is realized by 4G interfaces and communicated with the wechat of user；
User checks elevator operation information with cell phone application, safeguards information；User realizes elevator call with cell phone application
Function；
The communication of 1 to 6 layer of home lift is realized by 4G communication interfaces；Communicated by 4G communication interfaces with host computer；
By 4G communication interfaces realize drive control, maintenance control, failure security, fire protection warning, automatic running and remote signalling,
Remote control, remote regulating；
The run time of user's elevator is able to record by 4G communicating remote servers；
Service time can effectively be provided the user with；
Remote server connects elevator micro processor, learns the preliminary failure of elevator；
User is remotely controlled elevator by cell phone application；Instruction elevator rests in the floor of needs；
Remote server and elevator micro processor control elevator simultaneously, and elevator micro processor is preferentially local electricity
Terraced micro processor operator precedence.
Two-flight screw drive system includes：Driving control system, main electric system, two-flight screw, brakes；
Two-flight screw drive system drives frequency converter 2, and frequency converter 2 receives driving instruction motor 11 and operated；
The motor 11 is driven by belt 53, and driving bearing screwed cap 6 rotates；
Bearing screwed cap 6 is connected with two-flight screw 13；
Two-flight screw 13 is vertically set in hoistway；
Bearing screwed cap 6 moves up and down along two-flight screw 13 drives hoistable platform 15 to lift；
Two-flight screw 13 passes through support and static slideway secure fit；
Two-flight screw 13 is fixed by the plain thrust bearing on crossbeam 34 and locking nut, and load-carrying nut 6 drives flat
Platform support 45 is moved up and down, and oil-containing nylon sliding block 32 is provided between support 45 and slideway.
The bottom of the two-flight screw 13 is connected with emergent from drop direct-current driving device；
It is emergent to include dc motor from drop direct-current driving device 14, the rotation of DC motor drive two-flight screw, rise
Drop platform is declined with inspection speed.
The slideway 47 is molded for matter Aluminum alloy tensile；Static slideway and two-flight screw secure fit；
Modularization hoistway is made up of aluminium alloy extrusions, door system, main electric control system, steel composite board, fire-fighting safety glass.
Hoistable platform 15 is arranged in hoistway；
Hoistable platform 15 includes safe edge 16 and manned lift platform；
Hoistable platform is provided with hoistable platform connecting plate 17；Platform edges are equipped with floating bezel and detection switch, and frame floats
When switch motion provide signal and be transmitted to processor；
Hoistable platform is connected by sliding block 32 with slideway；
There are four fixed seats on platform support, four sliding blocks are installed respectively and fixed by adjusting nut, four sliding blocks are divided into
Two groups, every group two pieces, front and rear each one group is embraced in the both sides of slideway 47；Platform slides between two slideways；
Hoistable platform 15 is provided with platform operations plate 22, and platform operations plate 22 includes：Emergency stop push button 21, alarm button
20th, floor application button 19 and up and down operation display screen 18；
Upper mounted plate 36 and bottom plate 38 are mainly fixing nut and electromagnetic brake, motor and transmission mechanism；Upper fixation
Plate 36 and bottom plate 38 are connected by bolt with crossbeam 34；
Hoistable platform 15 is connected with bearing screwed cap 6；
Motor is arranged on hoistable platform；
The bottom of bearing screwed cap 6 is provided with the protection nut 7 being connected with two-flight screw；
Bearing screwed cap 6 is equipped with bearing, and protection nut 7 is connected by connecting rod with bearing screwed cap.
Bearing screwed cap 6 is sleeved in belt wheel 37；Belt wheel drives bearing screwed cap 6 to rotate；
Rubber sheath 35 is set with two-flight screw 13, the upper end of rubber sheath 35 is connected with the bottom of bearing screwed cap 6,
The lower end of rubber sheath 35 is connected with protection nut 7 top.
The brakes is electromagnetic brake, and electromagnetic brake is fixed on the installing plate of belt pulley.
The connecting rod 39 of connection protection nut and bearing screwed cap, it is three that connecting rod, which is also light pin, under bearing screwed cap
Divide equally three unthreaded holes at end margin, these three unthreaded holes are corresponding with respectively fixing three light pins at protection nut upper end-face edge respectively,
So when bearing screwed cap rotates, protection nut also follows rotation, while can also slide up and down, and sees Fig. 9.
It is provided with guide rail and bottoms out, overshoots limiting and protecting device；Bottom out, overshoot limiting and protecting device including being arranged on guide rail
The overshoot positive stop 1 on top and be arranged on guide rail bottom bottom out positive stop 8.
Completed by intelligent elevator communication software control system (GE5600 types Central Processing Board)；Instructions are sent and feedback
To control system.
In the case where failure saves oneself state, DC motor drive double thread spiral shell is driven by intelligent elevator communication software control system
Bar rotates.
Two-flight screw intensity is high, securely and reliably；Output torque is big, and transfer rate is fast.
Brakes：Under ladder, power failure, failure, jerk state, brake system；Failure is saved oneself, upper and lower operation braking
Unclamp.
Hoistable platform：It is made up of call control panel and safe edge in sedan-chair；With sliding slideway, drive nut, frequency converter, electronic
Machine, brake, control panel assembling coordinate；
Household elevator control system of the present invention, it is simple in construction, it is easy to operate, by wireless 4G communications and the driving of home lift
Organic conjunction is controlled, control system is more reliable, greatly improves home lift automaticity, can create good economic benefit and society
Can benefit；The relevant information of elevator operation is transferred to host computer by 4G mobile radio communications, and host computer is transported to the elevator of client
Row state carries out uninterrupted monitoring in 24 hours；Realize remote signalling, remote regulating, remote control and lock machine function, the security information of elevator operation and
Operation information is transmitted wirelessly by 4G communication systems to host computer；When externally communicating interruption, failure simultaneously, elevator is not interfered with
Normal operation.
The present invention carries out uninterrupted monitoring in 24 hours to the running status of client's elevator, realizes point-to-point with client's elevator
Real-time communication；Realize remote signalling, remote control, three distant function of remote regulating；The communication drive control software of specification home lift, the drive to elevator
Dynamic and safe operation and maintenance provide safeguard.
The above described is only a preferred embodiment of the present invention, not the structure of the present invention is made any formal
Limitation.Any simple modification, equivalent change and modification that every technical spirit according to the present invention is made to above example,
Belong in the range of technical scheme.
Claims (7)
1. a kind of Household elevator control system, including：Remote server, central processing module, wireless communication module, elevator communication
Control system, two-flight screw drive system, slideway, modularization carry hoistway and hoistable platform；Characterized in that, central processing
Module is connected by wireless communication module with remote server；Two-flight screw drive system drives hoistable platform in hoistway
Moved up and down along slideway.
2. Household elevator control system according to claim 1, it is characterised in that：The security information and fortune of the elevator operation
Row information real-time Transmission is to remote server；Central processing module is provided with 4G communication interfaces；
Central processing module is realized by 4G interfaces and communicated with the wechat of user；
User checks elevator operation information with cell phone application, safeguards information；User realizes elevator call function with cell phone application；
The communication of 1 to 6 layer of home lift is realized by 4G communication interfaces；Communicated by 4G communication interfaces with host computer；
Drive control is realized by 4G communication interfaces, overhauls control, failure security, fire protection warning, automatic running and remote signalling, distant
Control, remote regulating；
The run time of user's elevator is able to record by 4G communicating remote servers；
Service time can effectively be provided the user with；
Remote server connects elevator micro processor, learns the preliminary failure of elevator；
User is remotely controlled elevator by cell phone application；Instruction elevator rests in the floor of needs；
Remote server and elevator micro processor control elevator simultaneously, and elevator micro processor is preferentially that local operation is excellent
First.
3. Household elevator control system according to claim 2, it is characterised in that：
Two-flight screw drive system includes：Driving control system, main electric system, two-flight screw, brakes；
Two-flight screw drive system drives frequency converter, and frequency converter receives the operating of driving instruction motor；
The motor passes through belt transmission, driving bearing screwed cap rotation；
Bearing screwed cap is connected with two-flight screw；
Two-flight screw is vertically set in hoistway；
Bearing screwed cap moves up and down along two-flight screw drives hoistable platform lifting；
Two-flight screw passes through support and static slideway secure fit；
Two-flight screw is fixed by the plain thrust bearing on crossbeam and locking nut, and load-carrying nut is driven above and below platform support
Motion, is provided with oil-containing nylon sliding block between support and slideway.
4. Household elevator control system according to claim 3, it is characterised in that：The bottom of the two-flight screw is with answering
It is anxious to be connected from drop direct-current driving device；
It is emergent to include dc motor, the rotation of DC motor drive two-flight screw, hoistable platform from drop direct-current driving device
Declined with inspection speed.
5. Household elevator control system according to claim 4, it is characterised in that：The slideway be matter Aluminum alloy tensile into
Type；Static slideway and two-flight screw secure fit；
Modularization hoistway is made up of aluminium alloy extrusions, door system, main electric control system, steel composite board, fire-fighting safety glass.
6. Household elevator control system according to claim 5, it is characterised in that：
Hoistable platform is arranged in hoistway；
Hoistable platform includes safe edge and manned lift platform；
Hoistable platform is provided with hoistable platform connecting plate；Platform edges are equipped with floating bezel and detection switch, and frame switchs when floating
Action provides signal and is transmitted to processor；
Hoistable platform is connected by sliding block with slideway；
There are four fixed seats on platform support, four sliding blocks are installed respectively and fixed by adjusting nut, four sliding blocks are divided into two groups,
Every group two pieces, front and rear each one group is embraced in the both sides of slideway；Platform slides between two slideways；
Hoistable platform is provided with platform operations plate, and platform operations plate includes：Emergency stop push button, alarm button, floor application are pressed
Button and up and down operation display screen；
Hoistable platform is connected with bearing screwed cap；
Motor is arranged on hoistable platform；
Bearing screwed cap bottom is provided with the protection nut being connected with two-flight screw；
Bearing screwed cap is equipped with bearing, and protection nut is connected by connecting rod with bearing screwed cap.
Bearing screwed cap is sleeved in belt wheel；Belt wheel drives bearing screwed cap rotation；
Rubber sheath is set with two-flight screw, the upper end of rubber sheath is connected with bearing screwed cap bottom, rubber sheath
Lower end is connected with protection nut top.
7. Household elevator control system according to claim 6, it is characterised in that：
The brakes is electromagnetic brake, and electromagnetic brake is fixed on the installing plate of belt pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710825576.5A CN107522042A (en) | 2017-09-14 | 2017-09-14 | Household elevator control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710825576.5A CN107522042A (en) | 2017-09-14 | 2017-09-14 | Household elevator control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107522042A true CN107522042A (en) | 2017-12-29 |
Family
ID=60736799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710825576.5A Pending CN107522042A (en) | 2017-09-14 | 2017-09-14 | Household elevator control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107522042A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279480A (en) * | 2018-11-02 | 2019-01-29 | 广州广日电梯工业有限公司 | A kind of steel structure lift shaft splicing apparatus and method |
| CN109830164A (en) * | 2019-01-30 | 2019-05-31 | 西南石油大学 | One kind having the function of even running and the lower teaching consuming energy ladder model of energy consumption |
| CN111003622A (en) * | 2020-02-18 | 2020-04-14 | 缙云旅程机械科技有限公司 | Cylindrical cam type household elevator |
| CN111115413A (en) * | 2018-10-31 | 2020-05-08 | 广东祥寿生物科技集团股份有限公司 | Intelligent spiral elevator |
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| CN106829668A (en) * | 2017-02-16 | 2017-06-13 | 广州广日电梯工业有限公司 | A kind of elevator long distance adjustment method and device |
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| CN109830164A (en) * | 2019-01-30 | 2019-05-31 | 西南石油大学 | One kind having the function of even running and the lower teaching consuming energy ladder model of energy consumption |
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