CN201890683U - Domestic direct drive elevator - Google Patents
Domestic direct drive elevator Download PDFInfo
- Publication number
- CN201890683U CN201890683U CN2010205872263U CN201020587226U CN201890683U CN 201890683 U CN201890683 U CN 201890683U CN 2010205872263 U CN2010205872263 U CN 2010205872263U CN 201020587226 U CN201020587226 U CN 201020587226U CN 201890683 U CN201890683 U CN 201890683U
- Authority
- CN
- China
- Prior art keywords
- linear motor
- mover
- girder steel
- car
- steel assembly
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
The utility model aims to disclose a domestic direct drive elevator, which is widely applied to families, low-rise buildings and the like and comprises a fixed portion, a moving portion and a joint portion for the fixed portion and the moving portion. The fixed portion includes a base 1 and a steel support beam assembly 2. The moving portion includes a car 4. The joint portion for the fixed portion and moving portion includes a linear motor driving device, a positioning guide device, a brake device and a safety gear speed-limiting protective device. The domestic direct drive elevator is characterized in that the safety gear speed-limiting protective device is composed of a wireless speed measuring device and a safety gear, and the wireless speed measuring device controls the safety gear. The domestic direct drive elevator is applicable to locations with low lift heights, such as families, low-rise buildings and the like, manufacturing cost is reduced, particularly, the shortage of a safety rope protective device is overcome by the aid of the safety gear speed-limiting protective device, and the domestic direct drive elevator is more convenient in maintenance and use, and also applicable to vertical conveying locations, such as stereo garages, stereo storage and the like.
Description
Technical field
The utility model belongs to wireless lifting field, and 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.
The utility model content
The purpose of this utility model is to disclose a kind of home lift that directly drives, and can be widely used in the miniature direct-drive home lift of family, low floor building elevator.
The utility model 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 utility model 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 utility model also is applicable to multi-storied garage, the occasion of vertical transport such as stereo warehouse.
Description of drawings
Fig. 1 is embodiment 1 perspective view of the present utility model;
Fig. 2 (A) is the birds-eye view of embodiment 1 of the present utility model;
Fig. 2 (B) is the birds-eye view after embodiment 1 of the present utility model removes car;
Fig. 3 is the front elevation of embodiment 1 of the present utility model;
Fig. 4 is the lateral plan of embodiment 1 of the present utility model;
Fig. 5 is the motion parts perspective view of embodiment 1 of the present utility model;
Fig. 6 is the speed limiting mechanism perspective view of embodiment 1 of the present utility model;
Fig. 7 is embodiment 2 perspective view of the present utility model;
Fig. 8 (A) is the birds-eye view of embodiment 2 of the present utility model;
Fig. 8 (B) is the birds-eye view after embodiment 2 of the present utility model removes car;
Fig. 9 is the front elevation of embodiment 1 of the present utility model;
Figure 10 is the lateral plan of embodiment 1 of the present utility model;
Figure 11 (A) is the motion parts perspective view of embodiment 2 of the present utility model;
Figure 11 (B) is the motion parts birds-eye view of embodiment 2 of the present utility model;
Figure 12 (A) is mover 5 perspective view of embodiment 2 of the present utility model;
Figure 12 (B) is mover 5 birds-eye vieies of embodiment 2 of the present utility model;
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 utility model being done, and should not be understood that it is to qualification of the present utility model.
The home lift embodiment 1 that directly drives of the present utility model; 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 described in the utility model 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 utility model, 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 utility model 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 utility model 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 utility model 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 utility model, 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 utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
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 |
|---|---|---|---|
| CN2010205872263U CN201890683U (en) | 2010-11-02 | 2010-11-02 | Domestic direct drive elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205872263U CN201890683U (en) | 2010-11-02 | 2010-11-02 | Domestic direct drive elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201890683U true CN201890683U (en) | 2011-07-06 |
Family
ID=44220159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205872263U Expired - Lifetime CN201890683U (en) | 2010-11-02 | 2010-11-02 | Domestic direct drive elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201890683U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973473A (en) * | 2010-11-02 | 2011-02-16 | 河南理工大学 | Direct-driven household elevator |
| CN102701051A (en) * | 2012-04-18 | 2012-10-03 | 林智勇 | Gear driving elevator |
| CN104876099A (en) * | 2015-05-16 | 2015-09-02 | 焦作市华鹰机电技术有限公司 | Direct-driven elevator system |
-
2010
- 2010-11-02 CN CN2010205872263U patent/CN201890683U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973473A (en) * | 2010-11-02 | 2011-02-16 | 河南理工大学 | Direct-driven household elevator |
| CN101973473B (en) * | 2010-11-02 | 2012-12-26 | 河南理工大学 | Direct-driven household elevator |
| CN102701051A (en) * | 2012-04-18 | 2012-10-03 | 林智勇 | Gear driving elevator |
| CN104876099A (en) * | 2015-05-16 | 2015-09-02 | 焦作市华鹰机电技术有限公司 | Direct-driven elevator system |
| CN104876099B (en) * | 2015-05-16 | 2018-05-29 | 焦作市华鹰机电技术有限公司 | It is straight to drive elevator device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101973473B (en) | Direct-driven household elevator | |
| CN202704767U (en) | Magnetic suspension power elevator | |
| CN201080399Y (en) | Inverse type mounting construction hoist | |
| JP2013535386A (en) | Worm gear type drive unit, elevator using worm gear type drive unit, and elevator system | |
| CN104876099A (en) | Direct-driven elevator system | |
| CN201553520U (en) | Rope-free hoist utilizing lifting power to drive brake | |
| CN201890683U (en) | Domestic direct drive elevator | |
| CN104271487A (en) | Battery mounting in elevator hoistway | |
| CN202508725U (en) | Hollow winding type linear electromagnetic hoist | |
| CN102992148A (en) | Novel elevator structure | |
| CN102040141A (en) | Rope-free lifting machine using lifting force as brake drive force | |
| CN104773633A (en) | Corner door type home elevator | |
| CN202848810U (en) | Elevator without machine room | |
| CN102283619B (en) | Double-rope groove multilayer hoisting mechanism | |
| CN201560056U (en) | Magnetic suspension wheelless rail type crane | |
| CN205132859U (en) | Directly drive elevator system | |
| CN207046650U (en) | A kind of traction machine and the home lift for being provided with the traction machine | |
| CN201545576U (en) | Household traction lifting device | |
| CN102040142A (en) | Rope-free hoister with force increasing mechanism brake | |
| CN204079171U (en) | Lifting actuator | |
| CN105621193A (en) | High-performance electromagnetic power-enhanced safety brake and direct-driven elevator | |
| WO2019091212A1 (en) | Stable guide wheel device for elevator cage | |
| CN201148300Y (en) | Lifting mechanism of elevator | |
| CN101691181A (en) | Household traction lifting device | |
| CN201485152U (en) | Elevator counterweight system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110706 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |