CN101973473A - Direct-driven household elevator - Google Patents
Direct-driven household elevator Download PDFInfo
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- CN101973473A CN101973473A CN 201010528066 CN201010528066A CN101973473A CN 101973473 A CN101973473 A CN 101973473A CN 201010528066 CN201010528066 CN 201010528066 CN 201010528066 A CN201010528066 A CN 201010528066A CN 101973473 A CN101973473 A CN 101973473A
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- linear motor
- mover
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- steel assembly
- car
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000012797 qualification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention aims to disclose a direct-driven household elevator, which is a small direct-driven household elevator widely applied to households, low-storey buildings and the like. The elevator comprises a fixed part, a moving part and a combing part for the fixed part and the moving part; the fixed part comprises a base 1 and a supporting steel girder assembly 2; the moving part comprises a cage 4; and the combing part for the fixed part and the moving part comprises a linear motor driving device, a positioning guide device, a braking device and a safety gear speed limit protection device. The elevator is characterized in that: the safety gear speed limit protection device consists of a cordless speed measurement device and a safety gear, and the cordless speed measurement device controls the safety gear. The elevator is suitable to be used in households, low-storey buildings and the like and suitable for the situations with low hoisting height, and has low manufacturing cost; in particular, the safety gear speed limit protection device overcomes the defect of a safety cord protection device; and the elevator is more convenient to maintain and use, and is also suitable for vertical transportation situations such as three-dimensional garages, three-dimensional storehouses and the like.
Description
Technical field
The invention belongs to wireless lifting field, just wireless elevator is specifically related to a kind of home lift that directly drives.
Background technology
Elevator is the important transportation link of all kinds of buildings, and the structure that conventional lift is used is the top that the Machine Room is installed in gig, the rotating machine head roll, and steel rope one end that is wrapped on the cylinder is connected in car, and the other end is connected in a counterweight.And for low-rise buildings such as dwelling houses, adopting has the rope elevator not only to take many spaces, also has problems such as difficult in maintenance.
In order to overcome the problems referred to above, the wireless gig of linear electric motors that does not require steel rope and independent Machine Room has proposed for a long time, I have also designed related art scheme, and applied for patent, number of patent application: 200910064738.3,200910064740.0, be primarily aimed at skyscraper and mine, but all there are problem more or less in cost and reliability.In the prior art, motor-driven home lift of small linear little about hoisting force, that hoisting depth is not high or low floor elevator almost do not have and relate to.
Summary of the invention
The objective of the invention is to disclose a kind of home lift that directly drives, can be widely used in the miniature direct-drive home lift of family, low floor building elevator.
The present invention is achieved in that and directly drives home lift, comprises the bound fraction of fixed part, motion parts and fixed part and motion parts; Fixed part comprises base 1, supports girder steel assembly 2; motion parts comprises car 4; the bound fraction of fixed part and motion parts comprises linear motor driver, locating guide device, brake equipment; safety tongs speed-limiting protection device; it is characterized in that: described safety tongs speed-limiting protection device is made of wireless speed measuring device and safety tongs, wireless speed measuring device control safety tongs.
Wireless speed measuring device is by gear 11, tooth bar 12, get rid of ball mechanism 13, swing-bar mechanism 14, torsion spring 20 is formed, tooth bar 12 vertically is arranged in a side supporting girder steel assembly 2, get rid of ball mechanism 13 and 11 coaxial connections of gear, and be connected with swing-bar mechanism 14, getting rid of ball mechanism 13 is connected with the bottom of the car floor 4c of car 4 with swing rod structure connecting panel 14a by getting rid of the connecting panel 13a of ball mechanism respectively with swing rod structure 14, torsion spring 20 is installed on the swing-bar mechanism 14, gear 11 moves with speed along tooth bar 12 and car 4, gear 11 drives the coaxial ball mechanism 13 of getting rid of and rotates, get rid of 13 control safety tongss, 15 actions of ball mechanism, safety tongs 15 acts on the braking rail 10, and car 4 is stuck on the guide rail.
Linear motor driver is made up of linear motor stator electric 6, linear motor rotor 5, the slide block 8 that is installed on the linear motor rotor; Linear motor stator electric 6 lays fixing along the front of whole support girder steel assembly 2; Linear motor rotor 5 and linear motor stator electric 6 surfaces are parallel and keep a fixing air gap, and making between linear motor rotor 5 and the linear motor stator electric 6 can contactless relative motion; Mover 5 is made of mover adapter plate 5a, mover back iron 5b, rotor permanent magnet 5c, slide block 8, rotor permanent magnet 5c is cemented in mover back iron 5b, and upward the formation linear electric motors are secondary, be fixed on then on the mover adapter plate 5a, slide block 8 is arranged at four jiaos of mover adapter plate 5a; Mover adapter plate 5a links to each other with car.
Supporting girder steel assembly 2 is strip, vertically is installed in the pit shaft, and the bottom links to each other with the base 1 that fixes on the ground, and top is fixed on the shaft in wall by upper support 3, and the topmost that supports girder steel assembly 2 is provided with block 17; Energy disperser 16 is installed in the top of base 1.
Brake equipment is that caliper brake 9 is fixed on mover or the car, and is arranged on the braking rail 10 that supports on the girder steel assembly 2 and cooperates, and described braking rail is positioned at a side or the both sides of support girder steel assembly 2.
The locating guide device of linear motor rotor 5 cooperates by being fixed on the slide block 8 on the mover 5 and being arranged on the line slideway 7 that supports on the girder steel assembly 2.
The locating guide device of linear motor rotor adopts the location wheels, location wheels 18 are by locating wheel shelf 18a, main positioning and guiding wheel 18b, side positioning and guiding wheel 18c forms, wheel carrier 18a links to each other with mover adapter plate 5a by the location, be arranged at four jiaos of mover adapter plate 5a, support the front of girder steel assembly 2, the both sides of linear motor stator electric 6 vertically are provided with two matrix strip slots 19, opening is outside, two madial walls of matrix strip slot 19 contact with the wheel face of the main positioning and guiding wheel 18b of guide-localization wheels 18, the external diameter of main positioning and guiding wheel 18b is suitable with the A/F of matrix strip slot 19, keep main positioning and guiding wheel 18b in matrix strip slot 19 about vertical motion; The lateral register track adjusting wheel 18c of guide-localization wheels 18 is along spill strip slot 19 1 side end faces vertical motion up and down.
The elementary mover that is set to of the linear electric motors of linear motor driver, the secondary stator that is set to.
Linear motor driver is divided into two into two linear electric motors, two braking rail unite two into one, braking rail 9 is arranged between these two linear motor stator electrics, braking rail only is provided with one, braking rail is a T shape, the braking rail bottom surface vertically is arranged on the front of support girder steel assembly 2, and drg and safety tongs are separately fixed at car floor or mover top or mover bottom or mover top and the bottom, are provided with 1 pair at least.
The present invention is applicable to the not high occasions of use, hoisting depth such as family, low floor building elevator, reduces cost, and highly high floor uses in conjunction with the patent of having applied for.Locating guide device, brake equipment are set; safety tongs speed-limiting protection device; increased reliability greatly; reach and take requirement; especially safety tongs speed-limiting protection device has solved the defective of safety rope fender guard, safeguard use more convenient; the present invention also is applicable to multi-storied garage, the occasion of vertical transport such as stereo warehouse.
Description of drawings
Fig. 1 is embodiments of the invention 1 perspective view;
Fig. 2 (A) is the birds-eye view of embodiments of the invention 1;
Fig. 2 (B) is the birds-eye view after embodiments of the invention 1 remove car;
Fig. 3 is the front elevation of embodiments of the invention 1;
Fig. 4 is the lateral plan of embodiments of the invention 1;
Fig. 5 is the motion parts perspective view of embodiments of the invention 1;
Fig. 6 is the speed limiting mechanism perspective view of embodiments of the invention 1;
Fig. 7 is embodiments of the invention 2 perspective view;
Fig. 8 (A) is the birds-eye view of embodiments of the invention 2;
Fig. 8 (B) is the birds-eye view after embodiments of the invention 2 remove car;
Fig. 9 is the front elevation of embodiments of the invention 1;
Figure 10 is the lateral plan of embodiments of the invention 1;
Figure 11 (A) is the motion parts perspective view of embodiments of the invention 2;
Figure 11 (B) is the motion parts birds-eye view of embodiments of the invention 2;
Figure 12 (A) is mover 5 perspective view of embodiments of the invention 2;
Figure 12 (B) is mover 5 birds-eye vieies of embodiments of the invention 2;
In the accompanying drawing: 1. base, 2. support girder steel assembly, 3. upper support, 4. car, 4a. guardrail, 4b. strengthens gusset, 4c. car floor, 5. linear motor rotor, 5a. mover adapter plate, 5b. mover back iron, 5c. rotor permanent magnet, 6. linear motor stator electric, 7. line slideway, 8. slide block, 9. caliper brake, 10. braking rail, 11. gear, 12. tooth bars, 13. get rid of ball mechanism, 13a. get rid of ball mechanism connecting panel, 14. swing-bar mechanisms, 14a. rocker mechanism connecting panel, 15. safety tongs, 16. energy dispersers, 17. blocks, 18. the location wheels, 18a. location opinion wheel shelf, 18b. master's positioning and guiding wheel, 18c. side positioning and guiding wheel, 19. matrix strip slots, 20. torsion springs.
The specific embodiment
Following content is the detailed description of in conjunction with the accompanying drawings the present invention being done, and should not be understood that it is limitation of the invention.
The home lift embodiment 1 that directly drives of the present invention; as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; mainly comprise base 1, support girder steel assembly 2, upper support 3, linear motor driver, car 4, locating guide device, brake equipment, safety tongs speed-limiting protection device, energy disperser 16.
Supporting girder steel assembly 2 is strip, vertically be installed in the pit shaft, the bottom links to each other with the base 1 that fixes on the ground, and top is fixed on the shaft in wall by upper support 3, its positive linear motor stator electric 6 and line slideway 7 that linear motor driver is installed.Two sides supporting girder steel assembly 2 vertically respectively are provided with a braking rail 10, as the braking rail of drg 9 and safety tongs 15.Energy disperser 16 is installed in the top of base 1.The topmost that supports girder steel assembly 2 is provided with block 17, is used for spacingly, prevents overshoot.
For everybody known linear electric motors, General Definition: there have a side of armature loop to be called linear electric motors to be elementary, and there have a side of magnet to be called linear electric motors to be secondary, and also definition: motion parts is a linear motor rotor, and fixed part is a linear motor stator electric.The principle of work of linear electric motors is: feed electric current in the linear electric motors primary winding, produce a travelling-magnetic-field of magnet movement relatively, this travelling-magnetic-field and secondary magnet are synchronized with the movement, and then the drive linear motor rotor is done straight-line motion.
Linear motor driver of the present invention slide block 8 moving 5 by linear motor stator electric 6, linear electric motors, that be installed on the linear motor rotor is formed.Linear motor stator electric 6 lays fixing along the front of whole support girder steel assembly 2; Linear motor rotor 5 and linear motor stator electric 6 surfaces are parallel and keep a fixing air gap, and making can contactless relative motion between linear motor rotor 5 and the linear motor stator electric 6.The locating guide device of linear motor rotor 5 is finished by slide block 8 and line slideway 7, and slide block 8 moves along line slideway 7, guarantees the motion air gap between linear motor rotor 5 and the linear motor stator electric 6.
The home lift that directly drives of the present invention, described linear motor driver adopts the arrangement of linear electric motors collateral motion, primary fixed, perhaps adopts the arrangement of the elementary motion of linear electric motors, secondary fixed.
The motion parts that directly drives home lift of the present invention mainly is made up of car 4, mover 5, caliper brake 9.The motion parts schematic perspective view as shown in Figure 5.Car 4 is made up of guardrail 4a, reinforcement gusset 4b, car floor 4c.Mover 5 is made of mover adapter plate 5a, mover back iron 5b, rotor permanent magnet 5c, slide block 8, rotor permanent magnet 5c sticks on mover back iron 5b, and upward the formation linear electric motors are secondary, be fixed on then on the mover adapter plate 5a, slide block 8 is arranged at four jiaos of mover adapter plate 5a.Mover adapter plate 5a links to each other with car floor 4c, and reinforces by strengthening gusset 4b.Caliper brake 9 is fixed on the car floor 4c, acts on braking rail 10.
The home lift that directly drives of the present invention is provided with safety tongs speed-limiting protection device, by gear 11, tooth bar 12, get rid of ball mechanism 13, swing-bar mechanism 14, torsion spring 20, safety tongs 15 and form, as shown in Figure 6.Tooth bar 12 vertically is arranged in a side supporting girder steel assembly 2, get rid of ball mechanism 13 and 11 coaxial connections of gear, and be connected with swing-bar mechanism 14, get rid of ball mechanism 13 and be connected with the bottom of the car floor 4c of car 4 with swing rod structure connecting panel 14a by getting rid of the connecting panel 13a of ball mechanism respectively with swing rod structure 14.Torsion spring 20 is installed on the swing-bar mechanism 14, by pretension qualification speed is set, and qualification speed is generally 115% of command speed.When car movement, with the speed operation, gear 11 drives the coaxial ball mechanism 13 of getting rid of and rotates gear 11 along tooth bar 12 and car 4, and the centnifugal force that gets rid of ball mechanism 13 raises along with the increase of cage operation speed.When speed reaches or surpass qualification speed, get rid of the predetermincd tension of the centnifugal force conversion back of ball mechanism 13, then get rid of ball mechanism 13 and overcome the predetermincd tension of torsion spring 20, make safety tongs 15 actions by swing-bar mechanism 14 greater than torsion spring 20, safety tongs 15 acts on the braking rail 10, and car 4 is stuck on the guide rail.
The home lift that directly drives of the present invention provides the linear electric motors of wireless gig, the power supply of car 4 by supply cable, power rail contact or the power rail no touch mode that is fixed on the vertical shaft in wall.
Fig. 7, Fig. 8, Fig. 9, Figure 10 are the scheme drawing that directly drives home lift embodiment 2 of the present invention, and it is the distortion on embodiment 1 basis, and the locating guide device of linear motor rotor adopts the location wheels to realize.
Figure 11 and shown in Figure 12ly be respectively the described scheme drawing that directly drives home lift motion parts and mover 5.Location wheels 18 are made up of locating wheel shelf 18a, main positioning and guiding wheel 18b, side positioning and guiding wheel 18c, and wheel carrier 18a links to each other with mover adapter plate 5a by the location, is arranged at four jiaos of mover adapter plate 5a.
Support the front of girder steel assembly 2, the both sides of linear motor stator electric 6 vertically are provided with two matrix strip slots 19, and opening is outside.Two madial walls of matrix strip slot 19 contact with the wheel face of the main positioning and guiding wheel 18b of guide-localization wheels 18, the external diameter of main positioning and guiding wheel 18b is suitable with the A/F of matrix strip slot 19, keep main positioning and guiding wheel 18b in matrix strip slot 19 about vertical motion; The lateral register track adjusting wheel 18c of guide-localization wheels 18 is along spill strip slot 19 1 side end faces vertical motion up and down.
The described linear motor driver that directly drives in the home lift can be divided into two into two linear electric motors, two braking rail unite two into one, and braking rail 9 is arranged between these two linear motor stator electrics, braking rail only is provided with one, braking rail is a T shape, the braking rail bottom surface vertically is arranged on the front of support girder steel assembly 2, and drg and safety tongs are separately fixed at car floor or mover top or mover top and the bottom, can respectively be provided with 1 pair or 2 pairs.All the other are with embodiment 1 or embodiment 2.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (9)
1. directly drive home lift, comprise the bound fraction of fixed part, motion parts and fixed part and motion parts; Fixed part comprises base (1), supports girder steel assembly (2); motion parts comprises car (4); the bound fraction of fixed part and motion parts comprises linear motor driver, locating guide device, brake equipment; safety tongs speed-limiting protection device; it is characterized in that: described safety tongs speed-limiting protection device is made of wireless speed measuring device and safety tongs, wireless speed measuring device control safety tongs.
2. the home lift that directly drives as claimed in claim 1, it is characterized in that: wireless speed measuring device is by gear (11), tooth bar (12), get rid of ball mechanism (13), swing-bar mechanism (14), torsion spring (20) is formed, tooth bar (12) vertically is arranged in a side supporting girder steel assembly (2), get rid of ball mechanism (13) and coaxial connection of gear (11), and be connected with swing-bar mechanism (14), getting rid of ball mechanism (13) is connected with the bottom of swing rod structure connecting panel (14a) with the car floor (4c) of car (4) by getting rid of ball mechanism connecting panel (13a) respectively with swing rod structure (14), torsion spring (20) is installed on the swing-bar mechanism (14), gear (11) moves with speed along tooth bar (12) and car (4), gear (11) drives the coaxial ball mechanism (13) of getting rid of and rotates, get rid of ball mechanism (13) control safety tongs (15) action, safety tongs (15) acts on the braking rail (10), and car (4) is stuck on the guide rail.
3. the home lift that directly drives as claimed in claim 1 is characterized in that: linear motor driver is made up of linear motor stator electric (6), linear motor rotor (5), the slide block (8) that is installed on the linear motor rotor; Linear motor stator electric (6) lays fixing along the front of whole support girder steel assembly (2); Linear motor rotor (5) and linear motor stator electric (6) surface is parallel and keep a fixing air gap, and making between linear motor rotor (5) and the linear motor stator electric (6) can contactless relative motion; Mover (5) is made of mover adapter plate (5a), mover back iron (5b), rotor permanent magnet (5c), slide block (8), rotor permanent magnet (5c) is cemented in mover back iron (5b), and upward the formation linear electric motors are secondary, be fixed on then on the mover adapter plate (5a), slide block (8) is arranged at four jiaos of mover adapter plate (5a); Mover adapter plate (5a) links to each other with car.
4. the home lift that directly drives as claimed in claim 1, it is characterized in that: support girder steel assembly (2) and be strip, vertically be installed in the pit shaft, the bottom links to each other with the base that fixes on the ground (1), top is fixed on the shaft in wall by upper support (3), and the topmost that supports girder steel assembly (2) is provided with block (17); Energy disperser (16) is installed in the top of base (1).
5. the home lift that directly drives as claimed in claim 4, it is characterized in that: brake equipment is that caliper brake (9) is fixed on mover or the car, cooperate with the braking rail (10) on being arranged on support girder steel assembly (2), described braking rail is positioned at a side or the both sides of supporting girder steel assembly (2).
6. the home lift that directly drives as claimed in claim 1 is characterized in that: the locating guide device of linear motor rotor (5) cooperates by being fixed on the slide block (8) on the mover (5) and being arranged on the line slideway (7) that supports on the girder steel assembly (2).
7. the home lift that directly drives as claimed in claim 5, it is characterized in that: the locating guide device of linear motor rotor adopts the location wheels, location wheels (18) are by locating wheel shelf (18a), main positioning and guiding wheel (18b), side positioning and guiding wheel (18c) is formed, link to each other with mover adapter plate (5a) by location wheel carrier (18a), be arranged at four jiaos of mover adapter plate (5a), support the front of girder steel assembly (2), the both sides of linear motor stator electric (6) vertically are provided with two matrix strip slots (19), opening is outside, two madial walls of matrix strip slot (19) contact with the wheel face of the main positioning and guiding wheel (18b) of guide-localization wheels (18), the external diameter of main positioning and guiding wheel (18b) is suitable with the A/F of matrix strip slot (19), keep main positioning and guiding wheel (18b) in matrix strip slot (19) about vertical motion; The lateral register track adjusting wheel (18c) of guide-localization wheels (18) is along spill strip slot (19) one side end faces vertical motion up and down.
8. the home lift that directly drives as claimed in claim 1 is characterized in that: the elementary mover that is set to of the linear electric motors of linear motor driver, the secondary stator that is set to.
9. as the described home lift that directly drives of one of claim 1-9, it is characterized in that: linear motor driver is divided into two into two linear electric motors, two braking rail unite two into one, braking rail (9) is arranged between these two linear motor stator electrics, braking rail only is provided with one, braking rail is a T shape, the braking rail bottom surface vertically is arranged on the front of support girder steel assembly (2), drg and safety tongs are separately fixed at car floor or mover top or mover bottom or mover top and the bottom, are provided with 1 pair at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010528066 CN101973473B (en) | 2010-11-02 | 2010-11-02 | Direct-driven household elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010528066 CN101973473B (en) | 2010-11-02 | 2010-11-02 | Direct-driven household elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101973473A true CN101973473A (en) | 2011-02-16 |
| CN101973473B CN101973473B (en) | 2012-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010528066 Expired - Fee Related CN101973473B (en) | 2010-11-02 | 2010-11-02 | Direct-driven household elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101973473B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010904A (en) * | 2012-12-05 | 2013-04-03 | 王传慧 | Simulation testing device for elevator |
| WO2016123440A1 (en) * | 2015-01-29 | 2016-08-04 | Otis Elevator Company | Mechanically integrated propulsion guiding unit |
| CN107529577A (en) * | 2017-08-16 | 2018-01-02 | 庄建军 | A kind of straight drive lift pit shaft garage |
| CN110422735A (en) * | 2019-09-04 | 2019-11-08 | 河南理工大学 | A kind of straight drive lifting system |
| CN113697642A (en) * | 2021-08-02 | 2021-11-26 | 中际联合（北京）科技股份有限公司 | A car and elevator for livestock transport |
| CN117142298A (en) * | 2023-10-31 | 2023-12-01 | 启东凯顺机械制造有限公司 | Transmission device for building site lifter |
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| EP0556595B1 (en) * | 1992-02-17 | 1996-03-27 | Inventio Ag | Passenger transport system |
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| US20060163008A1 (en) * | 2005-01-24 | 2006-07-27 | Michael Godwin | Autonomous linear retarder/motor for safe operation of direct drive gearless, rope-less elevators |
| CN101112957A (en) * | 2006-07-28 | 2008-01-30 | 程磊 | Magnetic levitation elevator |
| CN201264854Y (en) * | 2008-07-18 | 2009-07-01 | 洪毅 | Magnetic suspension elevator |
| CN201553520U (en) * | 2009-10-15 | 2010-08-18 | 河南理工大学 | Rope-free hoist utilizing lifting power to drive brake |
| CN201890683U (en) * | 2010-11-02 | 2011-07-06 | 河南理工大学 | Domestic direct drive elevator |
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2010
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| EP0556595B1 (en) * | 1992-02-17 | 1996-03-27 | Inventio Ag | Passenger transport system |
| CN2693868Y (en) * | 2004-04-26 | 2005-04-20 | 贵州建工集团第二建筑工程公司 | Parachute for guide rail type raise scaffold |
| US20060163008A1 (en) * | 2005-01-24 | 2006-07-27 | Michael Godwin | Autonomous linear retarder/motor for safe operation of direct drive gearless, rope-less elevators |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010904A (en) * | 2012-12-05 | 2013-04-03 | 王传慧 | Simulation testing device for elevator |
| WO2016123440A1 (en) * | 2015-01-29 | 2016-08-04 | Otis Elevator Company | Mechanically integrated propulsion guiding unit |
| US20180029829A1 (en) * | 2015-01-29 | 2018-02-01 | Otis Elevator Company | Mechanically integrated propulsion guiding unit |
| CN107529577A (en) * | 2017-08-16 | 2018-01-02 | 庄建军 | A kind of straight drive lift pit shaft garage |
| CN110422735A (en) * | 2019-09-04 | 2019-11-08 | 河南理工大学 | A kind of straight drive lifting system |
| CN113697642A (en) * | 2021-08-02 | 2021-11-26 | 中际联合（北京）科技股份有限公司 | A car and elevator for livestock transport |
| CN117142298A (en) * | 2023-10-31 | 2023-12-01 | 启东凯顺机械制造有限公司 | Transmission device for building site lifter |
| CN117142298B (en) * | 2023-10-31 | 2023-12-26 | 启东凯顺机械制造有限公司 | Transmission device for building site lifter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101973473B (en) | 2012-12-26 |
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