CN105645220A - Traction type elevator - Google Patents
Traction type elevator Download PDFInfo
- Publication number
- CN105645220A CN105645220A CN201610185963.2A CN201610185963A CN105645220A CN 105645220 A CN105645220 A CN 105645220A CN 201610185963 A CN201610185963 A CN 201610185963A CN 105645220 A CN105645220 A CN 105645220A
- Authority
- CN
- China
- Prior art keywords
- traction
- toothed
- guide wheel
- toothed projections
- belt
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/062—Belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2007—Elevators
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a traction type elevator. The traction type elevator comprises a lift car, lift car guide wheels, a counter weight, a counter weight guide wheel, a traction wheel and a traction belt, wherein the inner working face and the outer working face of the traction belt can be flat belt surfaces provided with anti-slip grooves or toothed surfaces provided with toothed protrusions; when the traction belt is arranged on the elevator, the traction wheel, the lift car guide wheels and the counter weight guide wheel are optimized correspondingly, when flat belt surfaces are adopted, the wheel grooves of the traction wheel, the lift car guide wheels and the counter weight guide wheel are traction belt grooves with flat surfaces, and when toothed surfaces are adopted, the wheel grooves of the traction wheel, the lift car guide wheels and the counter weight guide wheel are provided with grooves corresponding to the toothed protrusions; the traction belt is in non-fully-constraint fit with the traction wheel, the lift car guide wheels and the counter weight guide wheel. Through the fit design, axial sliding of the traction belt can be reduced, and excessive friction force can be avoided.
Description
Technical field
The present invention relates to elevator technology field, especially a kind of traction elevator adopting drawing belt.
Background technology
In current traction elevator, the dynamic lift car of rope belt is generally all adopted to move up and down. According to elevator manufacture and installation safety standard requirements, wirerope diameter must not drop below 8mm, the diameter ratio of traction sheave and steel wire rope is not less than 40, when elevator lift car load requires more big, need the wirerope diameter adopted more big, the diameter of traction sheave also to strain greatly mutually, so not only significantly increases the manufacturing cost of traction machine, and also substantially increases taking hoistway space. In order to overcome steel wire rope as the drawback of elevator dragging hanging apparatus, occur in that platypelloid type traction brings replacement steel wire rope, be used for driving lift car to move up and down, optimize building body space and elevator cost.
But, the belt drive parts of this drawing belt, according to the problem that the flat rubber belting that surface is smooth then easily produces axially to break away, should be noted that anti-skidding, there is the cingulum of double wedge according to surface, then preventing the problem that frictional force is excessive again, the utilization in elevator of these problems is required for by solving with coordinating of elevator.
Summary of the invention
In view of this, the invention aims to a kind of employing drawing belt as traction suspension arrangement, and on the requirement basis meeting elevator design and safety standard, drawing belt and traction sheave and directive wheel are optimized a kind of traction elevator of matching design, to solve problem of the prior art.
For reaching above-mentioned purpose, a kind of traction elevator provided by the invention, including car, car guide wheel, counterweight, counterweight guide wheel, traction sheave and drawing belt, described drawing belt is circumferentially positioned on described traction sheave, described counterweight guide wheel and described car guide wheel, described drawing belt includes band body and several tension element being disposed in parallel in along its length in described band body, described band body has outside work surface and inward facing surface, it is characterised in that:
Any one of flat rubber belting face that the structure of described outside work surface and described inward facing surface is all selected from having anti-slip tank or the toothed surface with toothed projections, the width in described flat rubber belting face is a, described toothed projections extends along the length direction of described drawing belt, the bottom width of described toothed projections is b, the top width of described toothed projections is d, forming groove between adjacent two described toothed projections, the bottom width of described groove is e, and the top width of described groove is c;
Described traction sheave, described car guide wheel and described counterweight guide wheel are respectively equipped with the race coordinated with described drawing belt, having, during the described race described toothed surface of correspondence, the groove that the toothed projections with described toothed surface coordinates, described drawing belt can coordinate in described race along local width direction movably; The bottom width of described groove is D, and the top width of described groove is B, forms raised line between adjacent two described grooves, the bottom width of described raised line is C, and the top width of described raised line is E, and meets 1.05b��B��2.5b, 1.05d��D��2.5d, 1.05c��C��2.5c, 1.05e��E��2.5e.
Preferably, it is the traction trough of belt that width is A coordinated with described flat rubber belting face during the described race described flat rubber belting face of correspondence, and 1.05a��A��2a.
Preferably, described tension element is metal-cored or carbon fiber core.
Preferably, the diameter of described traction sheave, the diameter of described car guide wheel and the diameter of described counterweight guide wheel are all not less than 16 times of the diameter of described tension element and are not more than 200 times of diameter of described tension element.
The shape of cross section of described outside toothed projections is trapezoidal, semicircle or triangle.
In one embodiment, described outside work surface is described flat rubber belting face, and described inward facing surface is described flat rubber belting face.
In still another embodiment, described outside work surface is described flat rubber belting face, and described inward facing surface is described toothed surface.
In still another embodiment, described outside work surface is described toothed surface, and described inward facing surface is described toothed surface.
This drawing belt preferably has two kinds of forms, one, and the several described toothed projections on the work surface of described outside are identical with the several toothed projections shapes on described inward facing surface and size, and are symmetrical arranged between two along the thickness direction of described band body.
They are two years old, several described toothed projections on the work surface of described outside are identical with the several toothed projections shapes on described inward facing surface and size, and the several described toothed projections on the work surface of described outside and the several toothed projections on described inward facing surface are staggered distribution on the width of described band body.
In still another embodiment, described outside work surface is described toothed surface, and described inward facing surface is described flat rubber belting face.
Owing to adopting technique scheme, the drawing belt that the traction elevator of the present invention adopts, wherein inward facing surface and outside work surface all optional employings have the flat rubber belting face of anti-slip tank or have the toothed surface of toothed projections, when drawing belt configures on elevator, it is all that non-staff cultivation coordinates with the race of traction sheave, car guide wheel and counterweight guide wheel, make drawing belt can reduce when motion to slide axially, again it can be avoided that produce excessive frictional force, solve Problems existing in the application of prior art platypelloid type drawing belt.
Accompanying drawing explanation
Fig. 1 is the overall schematic of traction elevator first embodiment of the present invention.
Fig. 2-1 is the cross sectional representation of the first drawing belt of first embodiment of the invention.
Fig. 2-2 is the cross sectional representation of the second drawing belt of first embodiment of the invention.
Fig. 2-3 is the cross sectional representation of the third drawing belt of first embodiment of the invention.
Fig. 2-4 is the cross sectional representation of the 4th kind of drawing belt of first embodiment of the invention.
Fig. 3 be flat rubber belting face and the race of the first drawing belt in first embodiment of the invention coordinate schematic diagram.
Fig. 4 be toothed surface and the race of the first drawing belt in first embodiment of the invention coordinate schematic diagram.
Fig. 5 be toothed surface and the race of the 4th kind of drawing belt in first embodiment of the invention coordinate schematic diagram.
Fig. 6 is the overall schematic of second embodiment of the invention.
Fig. 7 is the overall schematic of third embodiment of the invention.
Fig. 8 is the overall schematic of fourth embodiment of the invention.
Detailed description of the invention
In following example, only for traction ratio 2:1 elevator, in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Embodiment one
Refer to Fig. 1 to 5, elevator is hung in a kind of traction, including traction sheave 1, counterweight guide wheel 2, counterweight 3, the car guide wheel 4 being arranged on sedan-chair top for a pair and 4', drawing belt 5, car guide wheel installing rack 6 and car 7, the two ends of drawing belt 5 are fixed, and drawing belt 5 is circumferentially positioned on counterweight guide wheel 2, traction sheave 1 and a pair car guide wheel 4 and 4'. One end of drawing belt 5 is fixed on above elevator hoistways, the other end downwardly extends after walking around counterweight guide wheel 2 from below and upwardly extends, downwardly extend after walking around above traction sheave 1 again and walk around car guide wheel 4 and 4' from below, then upwardly extend again and be fixed on above elevator hoistways.
The adoptable all drawing belt structures of drawing belt 5 in the present embodiment, illustrate individually below.
As shown in Fig. 2-1, the first drawing belt 5 includes band body 51 and several tension element 52 being disposed in parallel in along its length in band body 51, tension element 52 is provided only with a row, band body 51 has outside work surface and inward facing surface, outside work surface is the toothed surface of the toothed projections 54 with several outwardly convex, and inward facing surface is the flat rubber belting face with several anti-slip tank 53 caved inward. Wherein, tension element 52 is metal-cored or high-strength carbon fiber core, and the shape of cross section of toothed projections 54 is trapezoidal, semicircle or triangle, and the present embodiment is trapezoidal. The top width f of anti-slip tank 53 is less than the diameter F of tension element 52, and anti-slip tank 53 can be axially in parallel extended along tension element 52, or axially becomes a constant tilt angle to extend in parallel setting or other anti-skidding lines with tension element 52. A plurality of toothed projections 54 extends in parallel along the length direction of drawing belt 5, and the top width d of toothed projections 54 is more than the diameter F of tension element 52, and the bottom width of toothed projections 54 is b, and top width is d. Forming groove between adjacent two toothed projections 54, the bottom width of described groove is e, and the top width of described groove is c. It is the traction trough of belt that width is A coordinated with described flat rubber belting face during the described race described flat rubber belting face of correspondence, and 1.05a��A��2a.
Refer to Fig. 3, when the inward facing surface of the first drawing belt 5 and wheel slot fit, for traction sheave 1, the race of traction sheave 1 is the traction trough of belt that width is A coordinated with flat rubber belting face, the bottom surface of traction trough of belt is the flat surface of no concave-convex, and the groove width A of traction trough of belt is more than the width a of inward facing surface, while 1.05a��A��2a, drawing belt 5 is freely retrain to coordinate with traction trough of belt, and namely non-staff cultivation coordinates.
As shown in Figure 4, when drawing belt 5 coordinates with car guide wheel 4,4' or counterweight guide wheel 2,4,4' or counterweight guide wheel 2 are respectively equipped with the race coordinated with drawing belt 5, there is during described race correspondence toothed surface the groove that the toothed projections 54 with toothed surface coordinates, drawing belt 5 can coordinate in described race along local width direction movably, namely drawing belt 5 can sliding axially along directive wheel within the specific limits, thus teaching display stand adjustment, it is to avoid twist.The bottom width of groove is D, and the top width of groove is B, forms raised line between adjacent two grooves, and the bottom width of raised line is C, the top width of raised line is E, coordinates for drawing belt 5 with counterweight guide wheel 2, meets 1.05b��B��2.5b, 1.05d��D��2.5d, 1.05c��C��2.5c, 1.05e��E��2.5e. The height h of toothed projections 54 is less than the depth H of groove 21. The depth of engagement of toothed projections 54 and groove 21 is more than 0. Such drawing belt 5 is the space having certain free migration in groove 21, is unlikely to cause excessive frictional force, and the inward facing surface of drawing belt 5 and outside work surface can be formed the rational frictional force of elevator.
This drawing belt 5 as shown in Fig. 2-1 turns over when using, the toothed surface of the toothed projections 54 with several outwardly convex that to be namely inward facing surface be, outside work surface is the flat rubber belting face with several anti-slip tank 53 caved inward, the race of traction sheave 1 now has the groove that the toothed projections 54 with toothed surface coordinates, the race of car guide wheel 4,4' or counterweight guide wheel has the traction trough of belt coordinated with flat rubber belting face, repeats no more here.
Another kind of drawing belt 5 is outside work surface and inward facing surface is all the flat rubber belting face with anti-slip tank, when the race of traction sheave 1, car guide wheel 4,4' or counterweight guide wheel 2 coordinates with drawing belt 5, race is all the traction trough of belt that width is A coordinated with flat rubber belting face, the groove width A of traction trough of belt is more than the width a of inward facing surface, while 1.05a��A��2a.
As shown in Fig. 2-2, the outside work surface of the second drawing belt 5 of the present embodiment has the toothed projections 54 of several outwardly convex, inward facing surface has the inner side toothed projections 55 of several outwardly convex, toothed projections 54 on the work surface of outside is identical with the shape of the toothed projections 55 on inward facing surface and size, it is trapezoidal, outside toothed projections 54 and inner side toothed projections 55 setting symmetrical above and below on the thickness direction of band body 51. The inherent thickness of the band body 51 of this drawing belt 5 two row's tension elements 52 have been arranged in juxtaposition. Wherein, tension element 52 is metal-cored or high-strength carbon fiber core, and the shape of cross section of toothed projections 54 is trapezoidal. When this drawing belt coordinates with traction sheave 1, car guide wheel 4,4' or counterweight guide wheel 2, the race of car guide wheel 4,4' or counterweight guide wheel 2 all has the groove coordinated with toothed projections 54.
As Figure 2-3, the outside work surface of the third drawing belt 5 of the present embodiment has the toothed projections 54 of several outwardly convex, inward facing surface has the toothed projections 55 of several outwardly convex, the toothed projections 54 of outside work surface is identical with the shape of the toothed projections 55 of inward facing surface and size, being trapezoidal, the several toothed projections 54 on the work surface of outside and the several toothed projections 55 on inward facing surface are arranged along the width of band body 51 interval of staggering. The inherent thickness of the band body 51 of this drawing belt 5 has been arranged in juxtaposition row's tension element 52. Wherein, tension element 52 is metal-cored or high-strength carbon fiber core. When this drawing belt 5 coordinates with traction sheave 1, car guide wheel 4,4' or counterweight guide wheel 2, the race of traction sheave 1, car guide wheel 4,4' or counterweight guide wheel 2 all has the groove coordinated with toothed projections 54, and the top width d of toothed projections 54 is less than the bottom width D of groove 21.
As in Figure 2-4, the outside work surface of the 4th kind of drawing belt 5 of the present embodiment has the toothed projections 54 of several outwardly convex, inward facing surface has the toothed projections 55 of several outwardly convex, toothed projections 54 on the work surface of outside is identical with the shape of the toothed projections 55 on inward facing surface and size, it is trapezoidal, the setting symmetrical above and below along the thickness direction of band body 51 of the several toothed projections 54 on the work surface of outside and the several toothed projections 55 on inward facing surface.The inherent thickness of the band body 51 of this drawing belt 5 has been arranged in juxtaposition row's tension element 52. When this drawing belt 5 coordinates with traction sheave 1, car guide wheel 4,4' or counterweight guide wheel 2, the race of traction sheave 1, car guide wheel 4,4' or counterweight guide wheel 2 all has the groove coordinated with toothed projections 54, and the top width d of toothed projections 54 is less than the bottom width D of groove 21.
In the present embodiment, the diameter of the diameter of traction sheave 1, car guide wheel 4 and 4' and the diameter of counterweight guide wheel 2 all can within being not less than the 16 of diameter of tension element 52 times and being not more than the scope of 60 times of diameter of tension element 52.
Embodiment two
Referring to Fig. 6, the present embodiment and embodiment one are distinctive in that: a pair car guide wheel 4 and 4' and car guide wheel installing rack 6 are arranged on cage bottom by the present embodiment.
Embodiment three
Refer to Fig. 7, the present embodiment and embodiment one to be distinctive in that: the present embodiment is additionally provided with the regulating wheel 8 of a tensioning drawing belt 5 between a pair of sedan-chair top car guide wheel 4 and 4'. Regulating wheel 8 is provided with traction trough of belt, and the work surface of this traction trough of belt corresponding matching drawing belt 5 is provided with corresponding groove when being toothed surface, and the work surface of cooperation drawing belt 5 is the flat surface of no concave-convex when being flat rubber belting face. Drawing belt 5 can be played tension by regulating wheel 8, reaches release or suppresses the torsion risk that in running process of elevator, out-of-balance force is acted on behalf of to drawing belt 5.
Embodiment four
Refer to Fig. 8, the present embodiment is distinctive in that with embodiment one: a pair car guide wheel 4 and 4' and car guide wheel installing rack 6 are arranged on cage bottom by the present embodiment, and are additionally provided with the regulating wheel 8 of a tensioning drawing belt 5 between a pair car guide wheel 4 and 4' at the present embodiment. Regulating wheel 8 is provided with traction trough of belt, and the work surface of this traction trough of belt corresponding matching drawing belt 5 is provided with corresponding groove when being toothed surface, and the work surface of cooperation drawing belt 5 is the flat surface of no concave-convex when being flat rubber belting face. Drawing belt 5 can be played tension by regulating wheel 8, reaches release or suppresses the torsion risk that in running process of elevator, out-of-balance force is acted on behalf of to drawing belt 5.
The traction elevator of above example, adopt drawing belt 5 as traction sprung parts, the inward facing surface of drawing belt 5 and outside work surface all optional employings have the flat rubber belting face of anti-slip tank or have the toothed surface of toothed projections, when drawing belt configures on elevator, it is all that non-staff cultivation coordinates with the race of traction sheave, car guide wheel and counterweight guide wheel, make elevator run safety and reliability, solve drawing belt in prior art easily slide axially and and guide wheel groove between the excessive problem of frictional force. Above example has only elaborated for the elevator being applied to traction ratio 2:1, certainly, those skilled in the art are in content disclosed in this invention on basis, according to practical situation, also this traction can be hung elevator design is the elevator of other traction ratios, here repeats no more.
Above-described embodiment is only for illustrating technology design and the feature of the present invention; its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this; can not limit the scope of the invention with this; all equivalences made according to spirit of the invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. a traction elevator, including car, car guide wheel, counterweight, counterweight guide wheel, traction sheave and drawing belt, described drawing belt is circumferentially positioned on described traction sheave, described counterweight guide wheel and described car guide wheel, described drawing belt includes band body and several tension element being disposed in parallel in along its length in described band body, described band body has outside work surface and inward facing surface, it is characterised in that:
Any one of flat rubber belting face that the structure of described outside work surface and described inward facing surface is all selected from having anti-slip tank or the toothed surface with toothed projections, the width in described flat rubber belting face is a, described toothed projections extends along the length direction of described drawing belt, the bottom width of described toothed projections is b, the top width of described toothed projections is d, forming groove between adjacent two described toothed projections, the bottom width of described groove is e, and the top width of described groove is c;
Described traction sheave, described car guide wheel and described counterweight guide wheel are respectively equipped with the race coordinated with described drawing belt, during the described race described toothed surface of correspondence, there is the groove that the toothed projections with described toothed surface coordinates, described drawing belt can coordinate in described race along local width direction movably, the bottom width of described groove is D, the top width of described groove is B, raised line is formed between adjacent two described grooves, the bottom width of described raised line is C, the top width of described raised line is E, and meet 1.05b��B��2.5b, 1.05d��D��2.5d, 1.05c��C��2.5c, 1.05e��E��2.5e.
2. a kind of traction elevator according to claim 1, it is characterised in that: it is the traction trough of belt that width is A coordinated with described flat rubber belting face during the described race described flat rubber belting face of correspondence, and 1.05a��A��2a.
3. a kind of traction elevator according to claim 1, it is characterised in that: described tension element is metal-cored or carbon fiber core.
4. a kind of traction elevator according to claim 1 or 3, it is characterised in that: the diameter of described traction sheave, the diameter of described car guide wheel and the diameter of described counterweight guide wheel are all not less than 16 times of the diameter of described tension element and are not more than 200 times of diameter of described tension element.
5. a kind of traction elevator according to claim 1, it is characterised in that: described outside work surface is described flat rubber belting face, and described inward facing surface is described flat rubber belting face.
6. a kind of traction elevator according to claim 1, it is characterised in that: described outside work surface is described flat rubber belting face, and described inward facing surface is described toothed surface.
7. a kind of traction elevator according to claim 1, it is characterised in that: described outside work surface is described toothed surface, and described inward facing surface is described toothed surface.
8. a kind of traction elevator according to claim 7, it is characterized in that: the several described toothed projections on the work surface of described outside are identical with the several toothed projections shapes on described inward facing surface and size, and are symmetrical arranged between two along the thickness direction of described band body.
9. a kind of traction elevator according to claim 7, it is characterized in that: the several described toothed projections on the work surface of described outside are identical with the several toothed projections shapes on described inward facing surface and size, the several described toothed projections on the work surface of described outside and the several toothed projections on described inward facing surface are staggered distribution on the width of described band body.
10. a kind of traction elevator according to claim 1, it is characterised in that: described outside work surface is described toothed surface, and described inward facing surface is described flat rubber belting face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185963.2A CN105645220A (en) | 2016-03-29 | 2016-03-29 | Traction type elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185963.2A CN105645220A (en) | 2016-03-29 | 2016-03-29 | Traction type elevator |
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| Publication Number | Publication Date |
|---|---|
| CN105645220A true CN105645220A (en) | 2016-06-08 |
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ID=56495785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610185963.2A Pending CN105645220A (en) | 2016-03-29 | 2016-03-29 | Traction type elevator |
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| CN (1) | CN105645220A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144838A (en) * | 2016-06-30 | 2016-11-23 | 江南嘉捷电梯股份有限公司 | A kind of elevator |
| US11591186B2 (en) | 2018-08-06 | 2023-02-28 | Otis Elevator Company | Belt with layered load bearing elements |
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| ES2344104T3 (en) * | 2002-09-05 | 2010-08-18 | Inventio Ag | ELEVATOR WITH DRIVE DRIVE SYSTEM COMPOSED OF A BELT AND PULLEY. |
| CN102304863A (en) * | 2011-08-02 | 2012-01-04 | 葛文国 | Elevator traction belt and manufacture method thereof |
| JP2013086887A (en) * | 2011-10-14 | 2013-05-13 | Tsubakimoto Chain Co | Belt for moving elevator up and down |
| CN203977213U (en) * | 2014-07-16 | 2014-12-03 | 苏州莱茵电梯制造有限公司 | Hoisting rope for elevator |
| CN205709334U (en) * | 2016-03-29 | 2016-11-23 | 江南嘉捷电梯股份有限公司 | A kind of traction elevator |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2344104T3 (en) * | 2002-09-05 | 2010-08-18 | Inventio Ag | ELEVATOR WITH DRIVE DRIVE SYSTEM COMPOSED OF A BELT AND PULLEY. |
| CN201228189Y (en) * | 2008-05-01 | 2009-04-29 | 宁波欣达电梯配件厂 | Elevator dragging hanging apparatus |
| CN102304863A (en) * | 2011-08-02 | 2012-01-04 | 葛文国 | Elevator traction belt and manufacture method thereof |
| JP2013086887A (en) * | 2011-10-14 | 2013-05-13 | Tsubakimoto Chain Co | Belt for moving elevator up and down |
| CN203977213U (en) * | 2014-07-16 | 2014-12-03 | 苏州莱茵电梯制造有限公司 | Hoisting rope for elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106144838A (en) * | 2016-06-30 | 2016-11-23 | 江南嘉捷电梯股份有限公司 | A kind of elevator |
| US11591186B2 (en) | 2018-08-06 | 2023-02-28 | Otis Elevator Company | Belt with layered load bearing elements |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180419 Address after: 215122 Suzhou Industrial Park, Jiangsu, the only new road, No. 28 Applicant after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu Address before: 215122 Suzhou Industrial Park, Jiangsu, the only new road, No. 28 Applicant before: SJEC Corporation |
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Application publication date: 20160608 |
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