CN109835797A - A kind of elevator lifting piece - Google Patents
A kind of elevator lifting piece Download PDFInfo
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- CN109835797A CN109835797A CN201910255873.XA CN201910255873A CN109835797A CN 109835797 A CN109835797 A CN 109835797A CN 201910255873 A CN201910255873 A CN 201910255873A CN 109835797 A CN109835797 A CN 109835797A
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- lifting piece
- elevator
- slip layer
- layer
- rolling
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Abstract
The invention discloses a kind of elevator lifting pieces, the tension element extended along its length including more, with tension element is coated after formed flat belt shape structure coat, coat includes the first side that can cooperate with elevator traction sheave and the second side with first side face, first side is equipped with the anti-slip layer for increasing lifting piece and elevator traction sheave frictional force, and second side is equipped with the lubricant layer for reducing frictional force；Anti-slip layer is set in first side by rolling technique, and rolling temperatures are 50-80 DEG C, rolling pressure 100-500N, rolling speed about 30-100m/min；The lubricant layer is set in second side by extrusion molding process or drawing process.Manufacture craft of the present invention is simple, the high frictional force performance requirement of lifting piece and traction sheave cooperation and the low-frictional force performance requirement of lifting piece and the cooperation of non-traction rope sheave wheel are taken into account, not only increase the security performance that elevator uses, the comfort of elevator ride is also improved, loud noise will not be generated, service life extends.
Description
Technical field
The invention belongs to technical field of elevator equipment, more particularly, to a kind of elevator lifting piece.
Background technique
With steel band, market has been applied elevator at home, and there are many related patents, but involved by these patents
Belt product be all to be longitudinally continuous uniform structure, " the drawing for elevator of one kind as disclosed in Chinese patent CN 1267604
Stretch part, traction driver and pulley and pulley bushing ", one kind " pulling force structure of elevator disclosed in Chinese patent CN 1222656
Part " and Chinese patent CN 1306185 disclosed in one kind " drivable carrying or traction device and its manufacturing method ".Above-mentioned text
Steel core and its coat embedded by offering inside tensioning member are all that equably, production technology is also to be given birth to using successional extrusion
It produces.
The advantage of this structure is manufacture processing is relatively easy, the requirement to equipment and technique is relatively low.But this
Kind is longitudinally continuous formula production and does not account for elevator in actual use, and the frictional behaviour requirement for traction face and non-traction face is
It is different.When lift car is run, lifting power is to generate frictional force by steel band and traction sheave contact, to lift carriage
It rises or falls.But existing steel band is in actual use, because insufficient with the steel band frictional behaviour of traction sheave contact side,
And cause traction insufficient, to lift car slipping phenomenon occur, bring security risk；And with non-traction rope sheave side contacts
One side, and often because frictional behaviour is relatively too strong, and cause the rope sheaves such as steel band and directive wheel, crosshead sheave that larger friction occurs,
Friction noise is generated, the ride comfort of passenger is influenced.
The different requirement in side is contacted in view of traction sheave contact side and non-traction rope sheave, existing continuous uniform structure
The requirement that drawing belt has been unable to meet elevator safety and ride comfort has both.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of security performance for improving elevator, takes more comfortable
Elevator lifting piece.
The technical solution adopted by the present invention to solve the technical problems is: a kind of elevator lifting piece, including more along length
The tension element that direction extends is spent, and forms the coat of flat belt shape structure after tension element is coated, the coat includes
The first side that can cooperate with elevator traction sheave and the second side with first side face, the first side are equipped with and are used for
Increase the anti-slip layer of lifting piece and elevator traction sheave frictional force, the second side is equipped with the lubrication for reducing frictional force
Layer；The anti-slip layer is set in first side by rolling technique, and wherein rolling temperatures are 50-80 DEG C, rolling pressure 100-
500N, rolling speed about 30-100m/min；The lubricant layer is set to second side by extrusion molding process or drawing process
On.Anti-slip layer is engaged with elevator traction sheave, increases the frictional force between lifting piece and traction sheave, elevator is avoided to run
Slipping phenomenon caused by traction deficiency in journey, has been effectively ensured the safety in operation and reliability of elevator；Lubricant layer with
Non- elevator traction rope sheave, such as directive wheel, crosshead sheave or be engaged to the side of roller, improve lifting piece and non-traction
Friction can be reduced by, which being engaged with the greasy property and directive wheel of sheave-side contact surface, crosshead sheave or to the side of roller etc., makes an uproar
Sound improves ride comfort；Therefore the present invention has taken into account the requirement of elevator safety and ride comfort.
Further, the anti-slip layer includes the multiple fins extended along lifting piece width direction.
Further, the anti-slip layer is high molecular polymer.The manufacture craft of anti-slip layer is simple, the connection with lifting piece
Stability is high.
Further, the anti-slip layer and coat are integrally formed.Anti-slip layer not only increases frictional force, and improves
The wear-resisting property of lifting piece, prolongs its service life.
Further, the fin is continuously arranged, and the section of fin is rounded or oval or triangle or rectangle.
Further, the lubricant layer includes the multiple protrusions extended along lifting piece width direction, and protrusion is continuous to arrange,
Section is hemispherical or spheroid shape.
Further, the lubricant layer is molybdenum or graphite or wax.
Further, the anti-slip layer and lubricant layer extend the whole length and entire width direction of coat.
Further, the tension element is formed by twisting multistrand wire rope, cross-sectional uniformity point of the tension element along lifting piece
Cloth, and be arranged in parallel on steel band length direction.
Further, the anti-slip layer with a thickness of 0.1-1mm, preferably 0.1-0.5mm；The lubricant layer with a thickness of
0.1-1mm, preferably 0.1-0.5mm.
The beneficial effects of the present invention are: manufacture craft is simple, the matching property of lifting piece and traction sheave is taken into account and has mentioned
Matching property between draw piece and non-traction rope sheave, not only increases the security performance that elevator uses, and elevator ride
Comfort is also improved, and loud noise will not be generated, and service life extends.
Detailed description of the invention
Fig. 1 is part isometric structural schematic diagram of the invention.
Fig. 2 is longitudinal sectional view of the invention.
Fig. 3 is the A-A cross-sectional view in Fig. 2.
Fig. 4 is the another form of longitudinal sectional view of the present invention.
Fig. 5 is the B-B cross-sectional view in Fig. 4.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
As shown in Figs. 1-5, a kind of elevator lifting piece is longitudinal steel band structure, including more extend along its length
Tension element 1 and be coated on the coat 2 of the periphery of tension element 1, coat 2 is in flat belt shape structure comprising first side
21 and the second side 22 with 21 face of first side, first side 21 is mainly to match with the inside face contact of elevator traction sheave
It closes, second side 22 is mainly to cooperate with the side of non-elevator traction rope sheave, and non-elevator traction rope sheave includes directive wheel, sedan-chair
It takes turns and to roller etc. in top.It is equipped in the first side 21 of coat 2 and rubs between lifting piece and elevator traction sheave for increasing
The anti-slip layer 3 of power is equipped in the second side 22 of coat 2 for reducing frictional force between lifting piece and non-elevator traction sheave
Lubricant layer 4.
Anti-slip layer 3 is formed by rolling technique, and with a thickness of 0.1-1mm, i.e., h2 is 0.1-1mm, preferably 0.1- in figure
0.5mm, material are high molecular polymer, and shape is the fin 31 extended along the width direction of lifting piece, and multiple fins 31 connect
Continuous arrangement, or be intervally arranged, it is parallel between each other and perpendicular with tension element 1, the section of fin 31 be round or oval or
Triangle or rectangular configuration or other rules, irregular structure, extend the length direction of entire lifting piece, it is entire also to extend it
Width direction, or extend most of width direction.The purpose of anti-slip layer 3 is in the first side 21 i.e. traction side of lifting piece
The structure for increasing frictional force is produced, the frictional force between traction sheave is increased, improves traction capacity.
The mode that rolling technique is carried out to anti-slip layer 3 includes the techniques such as rolling, annular knurl, using roller or hobboing cutter to machined
2 first side 21 of coat rolled, make 2 surface of coat generate plastic deformation anti-slip layer 3.Rolling temperatures are 50-
80 DEG C, rolling pressure 100-500N, rolling speed about 30-100m/min, can for the online or offline progress of extrusion process,
Rolling effect: by the cold generation flow harden phenomenon in the surface of rolling object, surface hardness is improved, eliminates stress deformation, firmly
Degree improves HS 5-15 °, generates surface peening layer, that is, anti-slip layer 3, strengthening layer and 2 material internal of coat are continuous transitions, make to apply
Residual stress layer is formed in coating 2,20-30% can be improved in fatigue strength.
Lubricant layer 4 is formed by extrusion molding process or drawing process, and with a thickness of 0.1-1mm, i.e., h2 is 0.1- in figure
1mm, preferably 0.1-0.5mm, material are molybdenum, graphite, and wax etc. can improve the material of lubricant effect, and shape is along lifting piece
The protrusion 41 that width direction extends, multiple raised 41 continuous arrangements, or be intervally arranged, the section of protrusion 41 is hemispherical or ellipsoid
Type or other rules, irregular structure, as long as frictional force can be advantageously reduced, lubricant layer 4 extends entire lifting piece
Length direction also extends its entire width direction, or extends most of width direction.The purpose of lubricant layer 4 is in lifting piece
Second side 22 be non-traction side produce reduce frictional force structure, reduce with non-traction sheave-directive wheel/crosshead sheave/
To the frictional force between roller, running comfort is improved, reduces noise.
When carrying out squeezing out processing or drawing processing to lubricant layer 4, it is different from carrying out currently for tension element 1 and coat 2
The one-pass molding of extrusion can be using online or offline work in order to form the lubricant layer 4 for meeting requirement on lifting piece surface
Skill manufacture when being made of online process, one group of material applying mechanism can be added after current extruding production line and squeezes out or draws
Draft tool meets the lubricant layer 4 of requirement in existing lifting piece surface generation in a manner of post forming, or uses high temperature
The offline process mode of (150-200 degrees Celsius) bonding generates the lubricant layer 4 for meeting requirement.
Anti-slip layer 3 and coat 2 can be integrated formed structure, i.e., both use high molecular polymer, increase and mention
The integral strength of draw piece, and extend its service life；As shown in figure 3, anti-slip layer 3 can also be consolidated by way of applying glue sticking
Surely it is connected to the first side 21 of coat 2；As shown in figure 5, anti-slip layer 3 can also be fixedly connected by way of wedge-shaped snapping
In the first side 21 of coat 2.
Tension element 1 is formed by twisting multistrand wire rope, since tension element 1 carries carriage, right during elevator works
Refitting sets, the summation of the weight such as payload ratings, should intensity with higher, and the method for using twisting multistrand wire rope,
Substantially increase the performances such as tensile strength, the fatigue strength of tension element 1.Specifically, in the present embodiment tension element 1 by 6-8 strands of steel
Cord is entwined, and every wirerope is linear contact lay wire rope or facial-contracted wire rope, these structures connect better than simple point
The wirerope of touching can significantly improve the fatigue life of wirerope.Tension element 1 is specially the wirerope longitudinally extended along steel band,
For the bearing part as lifting piece, coat 2 is coated on around wirerope, to form the band-like knot of embedded wirerope
Structure, the frictional layer 3 of rolling processing are to be set on the outer surface of steel band unilateral side, squeeze out or the lubricant layer 4 of drawing processing is to be set to
On the outer surface of the steel band other side.
When work, lifting piece of the invention by traction sheave one end connect carriage, the other end connect counterweight, carriage with
The gravity of counterweight makes lifting piece be pressed on generation frictional force in traction race；Then, motor rotation drives traction rotation
Dynamic, traction sheave performs relative motion carriage and counterweight by frictional force drives lifting piece, i.e., carriage rises, counterweight decline；
Or counterweight rises, cage descending；Then, carriage is back and forth run in hoistway along guide rail above and below, and elevator executes vertical transport and appoints
Business.By the way that anti-slip layer 3 is arranged in the traction face of lifting piece, the traction of elevator is considerably increased, ensure that elevator in entire well
It can highly effective and safe operation in road；On the other hand, in the increased lubricant layer 4 in the non-traction face of lifting piece, it is non-to improve coat 2
The greasy property of traction sheave-side contact surface can reduce the friction noise of each rope sheave in lifting piece and hoistway, improve operation
Comfort.
Above-mentioned specific embodiment is used to illustrate the present invention, rather than limits the invention, of the invention
In spirit and scope of protection of the claims, to any modifications and changes that the present invention makes, protection model of the invention is both fallen within
It encloses.
Claims (10)
1. a kind of elevator lifting piece, including the more tension elements extended along its length (1), and will be after tension element (1) cladding
Form the coat (2) of flat belt shape structure, it is characterised in that: the coat (2) includes that can cooperate with elevator traction sheave
First side (21) and second side (22) with first side (21) face, the first side (21) be equipped with for increasing
Add the anti-slip layer (3) of lifting piece and elevator traction sheave frictional force, the second side (22) is equipped with for reducing frictional force
Lubricant layer (4)；The anti-slip layer (3) is set on first side (21) by rolling technique, and wherein rolling temperatures are 50-80 DEG C,
Rolling pressure is 100-500N, rolling speed about 30-100m/min；The lubricant layer (4) passes through extrusion molding process or drawing
Technique is set on second side (22).
2. elevator lifting piece according to claim 1, it is characterised in that: the anti-slip layer (3) includes wide along lifting piece
Spend multiple fins (31) that direction extends.
3. elevator lifting piece according to claim 1, it is characterised in that: the anti-slip layer (3) is high molecular polymer.
4. elevator lifting piece according to claim 1, it is characterised in that: the anti-slip layer (3) and coat (2) one
Molding.
5. elevator lifting piece according to claim 2, it is characterised in that: the fin (31) is continuously arranged, fin
(31) section is rounded or oval or triangle or rectangle.
6. elevator lifting piece according to claim 1, it is characterised in that: the lubricant layer (4) includes wide along lifting piece
Multiple raised (41) that direction extends are spent, raised (41) continuously arrange, and section is hemispherical or spheroid shape.
7. elevator lifting piece according to claim 1, it is characterised in that: the lubricant layer (4) is molybdenum or graphite or wax.
8. elevator lifting piece according to claim 1, it is characterised in that: the anti-slip layer (3) and lubricant layer (4) extend
The whole length and entire width direction of coat (2).
9. elevator lifting piece according to claim 1, it is characterised in that: the tension element (1) is twisted by multistrand rope
It makes, tension element (1) is distributed along the cross-sectional uniformity of lifting piece, and is arranged in parallel on steel band length direction.
10. elevator lifting piece according to claim 1, it is characterised in that: the anti-slip layer (3) with a thickness of 0.1-
1mm, preferably 0.1-0.5mm；The lubricant layer (4) with a thickness of 0.1-1mm, preferably 0.1-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255873.XA CN109835797A (en) | 2019-04-01 | 2019-04-01 | A kind of elevator lifting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255873.XA CN109835797A (en) | 2019-04-01 | 2019-04-01 | A kind of elevator lifting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109835797A true CN109835797A (en) | 2019-06-04 |
Family
ID=66886522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910255873.XA Pending CN109835797A (en) | 2019-04-01 | 2019-04-01 | A kind of elevator lifting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109835797A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56120798A (en) * | 1980-02-28 | 1981-09-22 | Mitsubishi Electric Corp | Traction elevator apparatus |
| CN201228189Y (en) * | 2008-05-01 | 2009-04-29 | 宁波欣达电梯配件厂 | Elevator dragging hanging apparatus |
| CN101679003A (en) * | 2007-05-08 | 2010-03-24 | 康蒂泰克驱动系统有限公司 | Traction means |
| CN201546108U (en) * | 2009-11-17 | 2010-08-11 | 房雪松 | Steel strip specialized for elevator |
| CN102574665A (en) * | 2009-10-14 | 2012-07-11 | 因温特奥股份公司 | Elevator system and suspension for such a system |
| CN103925335A (en) * | 2014-04-22 | 2014-07-16 | 广州广日电梯工业有限公司 | Lifting steel belt for elevator and elevator lifting system comprising lifting steel belt |
-
2019
- 2019-04-01 CN CN201910255873.XA patent/CN109835797A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56120798A (en) * | 1980-02-28 | 1981-09-22 | Mitsubishi Electric Corp | Traction elevator apparatus |
| CN101679003A (en) * | 2007-05-08 | 2010-03-24 | 康蒂泰克驱动系统有限公司 | Traction means |
| CN201228189Y (en) * | 2008-05-01 | 2009-04-29 | 宁波欣达电梯配件厂 | Elevator dragging hanging apparatus |
| CN102574665A (en) * | 2009-10-14 | 2012-07-11 | 因温特奥股份公司 | Elevator system and suspension for such a system |
| CN201546108U (en) * | 2009-11-17 | 2010-08-11 | 房雪松 | Steel strip specialized for elevator |
| CN103925335A (en) * | 2014-04-22 | 2014-07-16 | 广州广日电梯工业有限公司 | Lifting steel belt for elevator and elevator lifting system comprising lifting steel belt |
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Application publication date: 20190604 |
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