CN106081793A - A kind of Elevator traction system - Google Patents
A kind of Elevator traction system Download PDFInfo
- Publication number
- CN106081793A CN106081793A CN201610545374.0A CN201610545374A CN106081793A CN 106081793 A CN106081793 A CN 106081793A CN 201610545374 A CN201610545374 A CN 201610545374A CN 106081793 A CN106081793 A CN 106081793A
- Authority
- CN
- China
- Prior art keywords
- traction
- guiding rib
- load bearing
- bearing unit
- guide way
- 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
-
- 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
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2084—Jackets or coverings characterised by their shape
- D07B2201/2086—Jackets or coverings characterised by their shape concerning the external shape
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2087—Jackets or coverings being of the coated type
-
- 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
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses Elevator traction system, including traction sheave (1), directive wheel (4) and at least traction load bearing unit (2) coordinated with described traction sheave (1) and described directive wheel (4), traction load bearing unit (2) is flat belt-like and has the first work surface (21) and the second work surface (22), first work surface (21) is provided with the guide way (5) of multiple protrusion, guide way (5) extends along the length direction of traction load bearing unit (2), the outer circumference surface of traction sheave (1) is provided with multiple traction gathering sill (8) coordinated with guide way (1) one_to_one corresponding；Second work surface (22) is equipped with and an only protruding guiding rib (10) in the interposition of width, guiding rib (10) extends along the length direction of traction load bearing unit (2), and the outer circumference surface of directive wheel (4) offers a guiding rib groove (9) coordinated with guiding rib (10).Compared to prior art, the manufacturing cost of the present invention is relatively low, and traction load bearing unit is difficult to broken belt, uses more reliable safety.
Description
Technical field
The present invention relates to a kind of Elevator traction system for elevator.
Background technology
Chinese patent CN101044084B discloses the elevator with the flat belt as load carrier, on its belt
The cooperation that guiding rib on gathering sill and belt pulley is constituted, to overcome flat belt sliding and come off from belt pulley or damage in advance
Bad defect.But the technical scheme of this patent there is also some shortcomings: the guiding rib of (1) belt pulley requires that machining accuracy is high,
Material cost is high；(2) thickness of belt at the gathering sill of belt is thin, in running, if the guiding rib of belt pulley and skin
The gathering sill of band coordinates bad, and side is stressed excessive, and Flat belt broken belt or life-span may be caused to be greatly shortened.
Chinese patent CN204138090U discloses the traction suspension line for elevator, the side work of this traction suspension line
Face is plane, and this plane is provided with some the regulating tanks arranged along its length, and opposite side work surface is provided with multiple along length
The convex tendon that direction is arranged, this patent solves the noise problem of the superfluous problem of traction and traction suspension line and directive wheel.
But still having the drawback that of this patent: loaded down with trivial details with the rope sheave work surface processing of convex tendon one side with suspension line, joins with it
To the quality of fit of directive wheel high, processing cost is high；Traction suspension line coordinates the best with directive wheel, the side of traction suspension line
Bear pressure excessive, broken belt may be caused or make traction suspension line be greatly shortened service life.
Summary of the invention
In view of this, it is an object of the invention to overcome the defect of prior art, it is provided that a kind of processing cost is relatively low, and traction is held
Carrier unit is difficult to broken belt, uses more reliable Elevator traction system.
For reaching above-mentioned purpose, the present invention by the following technical solutions:
A kind of Elevator traction system, joins with described traction sheave and described directive wheel including traction sheave, directive wheel and at least one
The traction load bearing unit closed, described traction load bearing unit is used for carrying and moving car, and described traction load bearing unit is Flat belt
Shape also has the first work surface and the second work surface, it is characterised in that: described first work surface is provided with the guiding of multiple protrusion
Body, described guide way extends along the length direction of described traction load bearing unit, and the outer circumference surface of described traction sheave is provided with multiple
The traction gathering sill coordinated with described guide way one_to_one corresponding；Described second work surface is equipped with and only in the interposition of width
Having a protruding guiding rib, described guiding rib extends, outside described directive wheel along the length direction of described traction load bearing unit
A guiding rib groove coordinated with described guiding rib is offered on periphery.
Preferably, described traction load bearing unit includes the parcel outside carrying tension element and being wrapped in described carrying tension element
Body, described inclusion enclave be Polyurethane Thermoplastic Elastomer rubber (TPU), nitrile rubber or ethylene propylene diene rubber (EPDM) wherein
One, described carrying tension element is steel core or the one of which of carbon fiber or both of which has.Inclusion enclave is that rubber is one-body molded,
So molding of bossy body is more prone to, and processing cost is lower.And in traditional structure, belt pulley is metal structure, want thereon
Making guiding rib, need to carry out high-precision metal machining, cumbersome, processing cost is high.
It is highly preferred that many described carrying tension elements are spaced point on the width of described traction load bearing unit
Cloth, many described carrying tension elements all use steel core or all use carbon fiber, or many described carrying tension elements are alternately
The mode using steel core and carbon fiber carries out being spaced layout.
Preferably, the shape of cross section of described guide way is that triangle, trapezoidal, semicircle, minor arc arch or limit number are more than 4
Polygon；The shape of cross section phase complementary fit of the shape of cross section of described traction gathering sill and described guide way.
It is highly preferred that described guide way coordinates when described traction gathering sill middle, the both sides of each described guide way
And being respectively provided with the first width fits gap d between the side of described traction gathering sill, described first width fits gap d is
0.1-3mm。
Preferably, the shape of cross section of described guiding rib is that triangle, trapezoidal, semicircle, minor arc arch or limit number are more than 4
Polygon；The shape of cross section phase complementary fit of the shape of cross section of described guiding rib groove and described guiding rib.
Phase complementary fit refers to: when the cross section of guiding rib is triangle, and the shape of cross section of guiding rib groove is also phase
Adaptive triangle；When the cross section of guiding rib is trapezoidal, the shape of cross section of guiding rib groove is also suitable trapezoidal；Successively
Analogize.
Preferably, described guiding rib embeds and coordinates when described guiding rib groove middle, the both sides of described guiding rib and institute
Stating and the most all have the second width fits gap b between the side of guiding rib groove, described second width fits gap b is 0.1-
3mm。
Preferably, the inner surface of described traction gathering sill and/or the inner surface of described guiding rib groove have reduction friction and
The protective layer of abrasion.Described protective layer is polytetrafluoroethylene floor, perfluoroalkoxy basic unit, ceramic layer or the coat of metal.
Owing to using technique scheme, the present invention reaches techniques below effect:
(1) the multiple guide waies on the first work surface of traction load bearing unit coordinate one by one with the traction gathering sill on traction sheave,
Avoid the sliding on the traction sheave of traction load bearing unit；The guiding rib in the centre position of the second work surface and leading on directive wheel
To rib slot fit, it is to avoid traction load bearing unit sliding on directive wheel；
(3) guide way and guiding rib enhance the intensity of traction load bearing unit, use and are less susceptible to broken belt；On the other hand, traction is held
The guide way and the guiding rib that arrange protrusion on carrier unit can use integrated processing method, and ratio is at traction sheave or directive wheel
The processing cost that the machining of enterprising row metal makes guide way or the guiding rib protruded is lower.
The Elevator traction system of the present invention can be used in the various elevator devices of traction ratio 2:1 or 4:1.Compared to existing
Elevator traction system, the structure design of the present invention is more succinct, uses more safe and reliable, and processing cost is lower.
Accompanying drawing explanation
Fig. 1 is that the Elevator traction system of embodiment one applies the schematic diagram in an elevator.
Fig. 2 is the cross sectional representation of the traction load bearing unit in embodiment one.
Fig. 3 is the cross sectional representation that in embodiment one, traction load bearing unit coordinates with traction sheave.
Fig. 4 is the cross sectional representation that in embodiment one, traction load bearing unit coordinates with directive wheel.
Fig. 5 be traction load bearing unit and the traction sheave of the Elevator traction system of embodiment two and directive wheel coordinate signal
Figure.
Fig. 6 be traction load bearing unit and the traction sheave of the Elevator traction system of embodiment three and directive wheel coordinate signal
Figure.
Fig. 7 be traction load bearing unit and the traction sheave of the Elevator traction system of embodiment four and directive wheel coordinate signal
Figure.
Fig. 8 be traction load bearing unit and the traction sheave of the Elevator traction system of embodiment five and directive wheel coordinate signal
Figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.
Embodiment one
Refer to Fig. 1 to 4, a kind of Elevator traction system, including traction sheave 1, directive wheel 4 and at least one and traction sheave 1 and
The traction load bearing unit 2 that directive wheel 4 coordinates, traction load bearing unit 2 is used for carrying and moving car 3, and traction load bearing unit 2 is flat
Flat ribbon also has the first work surface 21 and the second work surface 22.
First work surface 21 is provided with the guide way 5 of multiple protrusion, and each guide way 5 is along the length of traction load bearing unit 2
Direction extends, and the outer circumference surface of traction sheave 1 is provided with multiple traction gathering sill 8 coordinated with guide way 5 one_to_one corresponding, such as Fig. 2
Shown in 3.
The interposition of the width of the second work surface 22 is equipped with and only a protruding guiding rib 10, guiding rib 10 edge
The length direction of traction load bearing unit 2 extends, and the outer circumference surface of each directive wheel 4 offers one and coordinates with guiding rib 10
Guiding rib groove 9, as shown in Figures 2 and 4.
By this Elevator traction system application with elevator on time, directive wheel 4 include the directive wheel on two cars and one right
The directive wheel heavily gone up, one end of traction load bearing unit 2 is fixed on above hoistway, and the other end downwardly extends and walks around car from below
After two directive wheels 4 of 3, upwardly extend, then downwardly extend after traction sheave 1 is walked around in top, walk around counterweight 60 the most from below
Directive wheel 4 after upwardly extend and be fixed on above hoistway.
In the present embodiment, traction load bearing unit 2 includes the parcel outside carrying tension element 7 and being wrapped in carrying tension element 7
Body 6, inclusion enclave 6 is Polyurethane Thermoplastic Elastomer rubber TPU, nitrile rubber or the one of which of ethylene propylene diene rubber EPDM,
Carrying tension element 7 is steel core or the one of which of carbon fiber or both of which has.Many carrying tension elements 7 carry in described traction
It is spaced distribution on the width of unit 2.Many carrying tension elements 7 can all use steel core or all use carbon fiber.
Or many carrying tension elements 7 alternately use the mode of steel core and carbon fiber to carry out being spaced layout, i.e. it is arranged in order one
Piece carbon fiber of root steel core, then rearranges a steel core, subsequently a piece carbon fiber of arrangement, by that analogy.
As shown in Figures 2 and 3, the shape of cross section of guide way 5 is trapezoidal, specially isosceles trapezoid.First work surface 21 is joined
It is combined on the work surface of traction sheave 1, when guide way 5 one_to_one corresponding coordinates at traction gathering sill 8 middle, each guide way 5
Both sides and the side of traction gathering sill 8 between be respectively provided with the first width fits gap d, the first width fits gap d is
0.1-3mm.Wherein, the A/F of traction gathering sill 8 is D, opening of the first width fits gap d usually traction gathering sill 8
The 1%-10% of mouth width D.
As shown in Figures 2 and 4, in the present embodiment, guiding rib on the second work surface 22 10 only has 1, guiding rib 10 transversal
Face is shaped as trapezoidal, specially isosceles trapezoid.The shape of cross section of the guiding rib groove 9 on directive wheel 4 is transversal with guiding rib 10
Face shape phase complementary fit, is also trapezoidal, but the shape of cross section size of guiding rib groove 9 is omited than the shape of cross section of guiding rib 10
Greatly.So, when just making guiding rib 10 be embedded in guiding rib groove 9 middle, between both sides and the guiding rib groove 9 of guiding rib 10 respectively
All having the second width fits gap b, the second width fits gap b is 0.3-3mm.Wherein, the second width gaps b usually leads
To the 1%-10% of the width B of rib groove 9, as shown in Figure 5.The adjustment that the guiding rib 10 of traction load bearing unit 2 is recessed on directive wheel 4
Guiding rib groove 9 does not contacts, only when traction load bearing unit 2 lateral shift, guiding rib 10 and guiding rib groove 9 in a side contacts,
It play the guiding role.Wherein, on the second work surface 22 of traction load bearing unit 2, the surface area of guiding rib 10 is less than its place
The 30% of the area of one work surface.Guarantee that work surface is more than most of area of 70% for contacting with the rolling surface of directive wheel 4,
Force dispersion when the traction load bearing unit 2 making bandlet shape coordinates with directive wheel 4, it is to avoid traction load bearing unit 2 local pressure is excessive
And easy broken belt, it is ensured that safe and reliable.
In the present embodiment, the inner surface of the traction gathering sill 8 of traction sheave 1 has the protective layer 81 reducing friction and wear,
Also there is on the inner surface of the guiding rib groove 9 of directive wheel 4 protective layer 91 reducing friction and wear.Protective layer 81 and protective layer 91
Can be polytetrafluoroethylene floor, perfluoroalkoxy basic unit, ceramic layer or the one of which of the coat of metal.
Embodiment two
Referring to Fig. 5, the present embodiment is with the difference of embodiment one: leading on the first work surface 21 of traction load bearing unit 2
Shape of cross section to the traction gathering sill 8 of body 5 and traction sheave 1 is triangle；Guiding rib 10 on second work surface 22 and
Guiding rib groove 9 in directive wheel 4 is all triangle.
Embodiment three
Referring to Fig. 6, the present embodiment is with the difference of embodiment one: leading on the first work surface 21 of traction load bearing unit 2
Shape of cross section to the traction gathering sill 8 of body 5 and traction sheave 1 is semicircle；Guiding rib 10 on second work surface 22 and
Guiding rib groove 9 in directive wheel 4 is all semicircle.
Embodiment four
Referring to Fig. 7, the present embodiment is with the difference of embodiment one: leading on the first work surface 21 of traction load bearing unit 2
Shape of cross section to the traction gathering sill 8 of body 5 and traction sheave 1 is minor arc arch；Guiding rib 10 on second work surface 22
And the guiding rib groove 9 in directive wheel 4 is all minor arc arch.
Embodiment five
Referring to Fig. 8, the present embodiment is with the difference of embodiment one: leading on the first work surface 21 of traction load bearing unit 2
Shape of cross section to the traction gathering sill 8 of body 5 and traction sheave 1 is pentagon, the most orthohexagonal half；Second
Guiding rib 10 on work surface 22 and the guiding rib groove 9 in directive wheel 4 are the most all pentagons.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this, all according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.
Claims (10)
1. an Elevator traction system, including traction sheave (1), directive wheel (4) and at least one and described traction sheave (1) and institute
Stating the traction load bearing unit (2) that directive wheel (4) coordinates, described traction load bearing unit (2) is used for carrying and moving car, described in drag
Draw load bearing unit (2) to be flat belt-like and there is the first work surface (21) and the second work surface (22), it is characterised in that: described
One work surface (21) is provided with the guide way (5) of multiple protrusion, and described guide way (5) is along the length of described traction load bearing unit (2)
Degree direction extends, and the outer circumference surface of described traction sheave (1) is provided with the traction that multiple and described guide way (1) one_to_one corresponding coordinates
Gathering sill (8)；Described second work surface (22) is equipped with and an only protruding guiding rib (10) in the interposition of width,
Described guiding rib (10) extends along the length direction of described traction load bearing unit (2), and the outer circumference surface of described directive wheel (4) is opened
It is provided with a guiding rib groove (9) coordinated with described guiding rib (10).
A kind of Elevator traction system the most according to claim 1, it is characterised in that: described traction load bearing unit (2) includes
Inclusion enclave (6) outside carrying tension element (7) and being wrapped in described carrying tension element (7), described inclusion enclave (6) is thermoplastic poly
The one of which of urethane elastomer rubber, nitrile rubber or ethylene propylene diene rubber, described carrying tension element (7) is steel core or carbon fibre
One of which or the both of which of dimension have.
A kind of Elevator traction system the most according to claim 2, it is characterised in that: many described carrying tension elements (7) exist
Be spaced distribution on the width of described traction load bearing unit (2), many described carrying tension elements (7) all use steel core or
Person uses carbon fiber, or many described carrying tension elements (7) alternately use the mode of steel core and carbon fiber to be spaced
Arranged.
A kind of Elevator traction system the most according to claim 1, it is characterised in that: the cross section shape of described guide way (5)
Shape is triangle, trapezoidal, semicircle, minor arc arch or the limit number polygon more than 4；The cross section of described traction gathering sill (8)
The shape of cross section phase complementary fit of shape and described guide way (5).
5. according to a kind of Elevator traction system described in claim 1 or 4, it is characterised in that: described guide way (5) coordinates in institute
When stating traction gathering sill (8) middle, between both sides and the side of described traction gathering sill (8) of each described guide way (5)
Being respectively provided with the first width fits gap d, described first width fits gap d is 0.1-3mm.
A kind of Elevator traction system the most according to claim 1, it is characterised in that: the cross section shape of described guiding rib (10)
Shape is triangle, trapezoidal, semicircle, minor arc arch or the limit number polygon more than 4；The cross section shape of described guiding rib groove (9)
The shape of cross section phase complementary fit of shape and described guiding rib (10).
7. according to a kind of Elevator traction system described in claim 1 or 6, it is characterised in that: described guiding rib (10) embeds joins
When being combined in described guiding rib groove (9) middle, between both sides and the side of described guiding rib groove (9) of described guiding rib (10) point
The most all having the second width fits gap b, described second width fits gap b is 0.1-3mm.
8. according to a kind of Elevator traction system described in claim 1 or 6, it is characterised in that: the surface of described guiding rib (10)
The 30% of the surface area of long-pending described second work surface (22) less than its place.
A kind of Elevator traction system the most according to claim 1, it is characterised in that: the interior table of described traction gathering sill (8)
The inner surface of face and/or described guiding rib groove (9) has the protective layer reducing friction and wear.
A kind of Elevator traction system the most according to claim 9, it is characterised in that: described protective layer is politef
Layer, perfluoroalkoxy basic unit, ceramic layer or the coat of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545374.0A CN106081793A (en) | 2016-07-12 | 2016-07-12 | A kind of Elevator traction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545374.0A CN106081793A (en) | 2016-07-12 | 2016-07-12 | A kind of Elevator traction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106081793A true CN106081793A (en) | 2016-11-09 |
Family
ID=57219692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610545374.0A Pending CN106081793A (en) | 2016-07-12 | 2016-07-12 | A kind of Elevator traction system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106081793A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018206777A1 (en) * | 2017-05-11 | 2018-11-15 | Thyssenkrupp Elevator Ag | A traction belt of elevator system and a pulley thereof, and an elevator with the traction belt and the pulley |
| US20190062120A1 (en) * | 2017-08-28 | 2019-02-28 | Otis Elevator Company | Sheave for belt with profile tracking features |
| CN110553906A (en) * | 2019-09-05 | 2019-12-10 | 北京化工大学 | Clamp and device and method for testing compression strength of carbon fiber with clamp |
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| US2472513A (en) * | 1945-02-26 | 1949-06-07 | Bergquist Nils Olof | Belt driving device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018206777A1 (en) * | 2017-05-11 | 2018-11-15 | Thyssenkrupp Elevator Ag | A traction belt of elevator system and a pulley thereof, and an elevator with the traction belt and the pulley |
| US20190062120A1 (en) * | 2017-08-28 | 2019-02-28 | Otis Elevator Company | Sheave for belt with profile tracking features |
| CN109422181A (en) * | 2017-08-28 | 2019-03-05 | 奥的斯电梯公司 | Rope sheave for the band with Contour extraction feature |
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| CN110553906A (en) * | 2019-09-05 | 2019-12-10 | 北京化工大学 | Clamp and device and method for testing compression strength of carbon fiber with clamp |
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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: 20161109 |