CN102518747A - Transmission part for elevators - Google Patents
Transmission part for elevators Download PDFInfo
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- CN102518747A CN102518747A CN2011104302986A CN201110430298A CN102518747A CN 102518747 A CN102518747 A CN 102518747A CN 2011104302986 A CN2011104302986 A CN 2011104302986A CN 201110430298 A CN201110430298 A CN 201110430298A CN 102518747 A CN102518747 A CN 102518747A
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- transmission part
- elevator
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- bearing core
- rope
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Abstract
The invention provides a transmission part for elevators, which has a damping and noise reduction function and belongs to parts of elevators. The transmission part is in the shape of a flat belt and comprises a tension-resistant bearing core rope (23) and a wrapping layer (22), wherein the tension-resistant bearing core rope (23) is made of metal or non-metal materials and the wrapping layer is made of elastic materials. At least one outer surface of the transmission part is provided with continuous grooves (24), and the center axis (21) penetrates through the grooves (24) continuously and form regular or irregular geometric area units (25) on the outer surface of the transmission part. Since the tension force stressed on the tension-resistant bearing core rope is equal, the service life of the transmission part is prolonged. Further, runout of pulleys is reduced due to the continuous grooves arranged on the outer surfaces, noise of a system is reduced, vibration due to intermittent distribution of the grooves is reduced, and riding comfortability is improved.
Description
Technical field
The present invention relates to a kind of elevator parts, especially a kind of flat belt shape elevator with damping noise reduction function is used transmission part.
Background technique
In elevator system, mainly comprise car, counterweight drives hoist machine, elevator transmission part etc.Elevator transmission part two ends in succession respectively car and counterweight are wrapped on traction sheave and the upper saw pulley, through elevator transmission part and the fricative tractive force of traction sheave, realize the elevating movement of car and counterweight, reach the transportation purpose.Traditional mode is to adopt the transmission part of wire rope as car and counterweight, and the stiction between dependence wire rope and traction sheave is realized the oscilaltion of car and counterweight.All the time, be considered to efficient and cost-effective as the wire rope of transmission part, but also exist its narrow limitation.
Adopt wire rope as transmission part, rely on wire rope to contact, power is passed to car and counterweight, cause traction force not enough easily, produce skidding with the mode of frictional force with the point of traction sheave.Simultaneously, the engagement system between the size of transferring power and traction sheave and wire rope is closely related, generally; Adopt V-type or semicircle traction race; Increase the area of contact between traction sheave and the wire rope, can increase the lifting efficient of traction system, still; But aggravate the wearing and tearing of wire rope and traction sheave, caused rope service-life to shorten.In addition, adopting wire rope is that the operation of wire rope need be added lubricant oil as another drawback of transmission part, uses lubricant oil both to influence the transmission of traction efficiency for a long time, causes the pollution of each parts in the lift well again.
In view of the problem that wire rope brings as transmission part, related domain engineers is endeavoured the transmission part with a kind of alternative wire rope of research and development always, and that representative is the patent of invention CN9981486.4 of Otis; Name is called " tension member of elevator "; Wherein disclose a kind of cross-section size flakiness ratio greater than 1, as lapping, internal layer core rope is the tension member that wire rope constitutes to skin by polyurethane; Reduce the diameter of traction sheave significantly, improve traction efficiency.But this tension member surface groove is along appearing on the tension member length direction equidistantly or the discontinuous arrangement of unequal-interval, though the arrangement mode of discontinuous groove unequal-interval can reduce the vibration and the noise of elevator system to a certain extent, because the discontinuity of groove; Make groove plane and transmission part surface not on same horizontal plane; As shown in Figure 3, the transmission part surface is made up of two-part, and a part is A; It is recess region; Another part is B, unnotched belt surface, and A and B space are separately.When pulley rotates, drive transmission part and move together.The contacting point of pulley and transmission part must be through ABAB such process, because AB is in different plane, will produce small beating during the rolling of pulley from A to B, and when rotational velocity was slow, it was not obvious to beat, the noise that causes or vibrate less; Yet, to rotate soon more, frequency is big more, and it is obvious more to beat, thereby the noise that produces and vibration are just big more, form transmission part and produce one of main source of noise and vibration.
Summary of the invention
The object of the invention is to propose a kind of flat belt shape elevator with damping noise reduction function and uses transmission part; This transmission part comprises tension load bearing core rope of being processed by metal or nonmetallic material and the coating of being processed by elastomer, and when bearing extraneous stress, coating is restricted Stress Transfer to the tension load bearing core; External force is distributed on each tension load bearing core rope with being equal to; Simultaneously, protection load bearing core rope avoids the corrosion of external environment, prolongs the working life of transmission part.Concrete technology contents is following:
A kind of elevator is used transmission part; This transmission part is the flat belt shape; Comprise tension load bearing core rope of processing by metal or nonmetallic material 23 and the coating of processing by elastic material 22; Wherein, said transmission part has at least and has continuous recess 24 on the outer surface, and said groove 24 continues to pass through medial axis 21 and at the outer surface formation rule or the irregular continuous geometric form surface elemant 25 of transmission part.
Further, said groove 24 is continuously the straight line of bending, or the curve of bending continuously, the bending shape of groove 24 be V-type, N type or
∽Type.
Said groove 24 is continuously crossing with the both sides of transmission part on the length direction of transmission part, wherein, continuous three intersection points and between two sections grooves 24 surround a triangle or subtriangular geometric form surface elemant 25.
The area of adjacent two described triangles or subtriangular geometric form surface elemant 25 about equally.
The area of adjacent two described triangles or subtriangular geometric form surface elemant 25 is unequal.
Further, said tension load bearing core rope 23 is the metallic material wire rope, and the wire rope cross section is circular or oval, vertically is arranged in equably in the said coating 22.
23 the coilings between adjacent two of restricting of said tension load bearing core are in the opposite direction, and right Regular lay Z-shape steel silk rope is staggered with left Regular lay S type wire rope.
Said tension load bearing core rope 23 is that nonmetallic material are processed, and is graphite fiber, or/and glass fibre, aramide-fibre, superhigh molecular weight polyethylene fibers, polyester fibre.
Said coating 22 is a thermoplastic polyurethane, or/and ethylene propylene diene rubber, butadiene rubber, nitrile butadiene rubber, butyl rubber.
Further, be coated with Bond between said tension load bearing core rope 23 and the said coating 22.
The present invention compared with prior art has following effective technology effect:
In process of production; Continuous recess can position tension load bearing core rope effectively; Guarantee that all tension load bearing core ropes are in same horizontal position in the coating, avoid tension load bearing core rope crooked phenomenon in coating, to occur, make transmission part in working order down; Restrict suffered pulling force of each tension load bearing core is impartial, prolongs its working life.
The special wrapper material of transmission part with and the structure of flattening the traction force of car/counterweight lifting process is provided effectively, improve the transmission performance of hoist machine, reduce the energy consumption of elevator.Simultaneously, the surface groove that transmission part is continuous is eliminated the transition region of pulley from the groove plane to non-groove plane, has reduced beating of pulley, reduces system noise, reduces because the discontinuously arranged vibration that causes of groove improves the ride comfort sense.
This transmission part has the structure of flattening; Compare as tension member with using wire rope on the elevator, the line belt of flattening has better coiling property, is guaranteeing under the constant situation of D/d (traction sheave diameter/line belt thickness); Efficient is higher, manufacturing cost more cheap.
Description of drawings
Fig. 1 is the structural representation of elevator of the present invention with transmission part;
The operation schematic representation that Fig. 2 contacts with pulley for the transmission part that has discontinuous cross groove in the existing technology;
Fig. 3 equates that for the geometric form surface elemant elevator is with the schematic surface of transmission part under the situation;
Fig. 4 be under the unequal situation of geometric form surface elemant elevator with the schematic surface of transmission part;
Fig. 5 be groove under curve condition elevator with the schematic surface of transmission part.
Shown in the figure: 21: medial axis, 22: coating, 23: carry wire rope core, 24: groove, 25: the geometric form surface elemant.
Embodiment
The claimant sets forth embodiment of the present invention in detail according to Figure of description.
Elevator system comprises a car, a counterweight, the host computer system that contains traction sheave and the transmission part that is used to pull car and counterweight.Transmission part one end links to each other with car, and the other end links to each other with counterweight, realizes the transmission of energy through the traction sheave of host computer system.The stiction of host computer system through producing between traction sheave and the transmission part drives the transmission part transmission, and the pulley on transmission part and car or the counterweight is meshing with each other, thereby realizes the oscilaltion of car and counterweight.Hence one can see that, and elevator is elevator requisite parts in service with transmission part, and the quality of transmission part can directly influence the whole efficiency and the comfort level of elevator system.Be illustrated in figure 1 as the structural representation of elevator transmission part of the present invention.This transmission part is the flat belt shape; Include and be in peripheral elastic material coating 22 and transversely arranged tension carrying wire rope core 23 in coating 22 in, at least one outer surface of transmission part has a continuous cross groove 24 that intersects repeatedly with its medial axis 21, through the continuous bending of groove 24; Groove 24 has just formed any a plurality of rule or irregular geometric form surface elemant 25 on the transmission part surface; And this groove 24 has certain width, can be the straight line of Curved Continuous folding; Can certainly be the curve of bending continuously, the bending shape of groove 24 can for V-type, N type or
∽Type.Be illustrated in figure 2 as the operation schematic representation that the drivign belt that has discontinuous cross groove in the existing technology contacts with pulley; This drivign belt surface is that discontinuous groove and square surface elemant are formed; Structural change of the present invention (like Fig. 1) is compared with existing technology (like Fig. 2), and when the pulley rotating of elevator system, the transmission part that contacts with pulley always is made up of groove and no groove surfaces; Promptly there be not the transition region of pulley from the groove plane to non-groove plane; The vibrations of pulley reduce, and noise reduces relatively, the corresponding raising of comfort level.
To the structural change of groove 24, as shown in Figure 1, groove 24 intersects at the A point with one side of transmission part; And begin from the A point; Pass 21 backs, medial axis and intersect at the B point, turn back by the B point again and pass 21 backs, medial axis, form a rule or irregular geometric form surface elemant 25 to the C point of A point with the limit with the transmission part another side; Extend to the transmission part length direction through groove 24, form a plurality of continuous geometric form surface elemants 25 arbitrarily.This geometric form surface elemant 25 is generally a delta-shaped region, and is like Fig. 1, Fig. 3, shown in Figure 4, for being a subtriangular surface area under the situation of curve, as shown in Figure 5 at groove 24.The area of said triangle or subtriangular geometric form surface elemant can be that what to equate also can be not wait, or the area in adjacent two subtriangular zones is unequal.
The coating 22 of peripheral elastic material has enough wear-resisting propertys, anti-flexural fatigue and environmental corrosion resisting performance; Such as thermoplastic polyurethane, ethylene propylene diene rubber, butadiene rubber; Nitrile butadiene rubber; And/or butyl rubber etc. can satisfy the demand that coats inner tensile load bearing core rope 23, and the preferential material of selecting is a thermoplastic polyurethane, especially has the polyether-type thermoplastic polyurethane of excellent hydrolytic resistance capability.It can be that metallic material or other nonmetallic material with metallic character are processed that inner tension is carried wire rope core 23, and metallic material is a wire rope, and the wire rope cross section is circular or oval, vertically is arranged in equably in the said coating 22.23 the coilings between adjacent two of restricting of said tension load bearing core are in the opposite direction, and right Regular lay Z-shape steel silk rope is staggered with left Regular lay S type wire rope, like this in order to avoid tension load bearing core rope through long-time carry stressed toward a situation that turns to torsional deformation.Nonmetallic material can be chosen as graphite fiber, glass fibre, and aramide-fibre, superhigh molecular weight polyethylene fibers, polyester fibre and/or other satisfy the material of tensility and flexural fatigue performance.For guaranteeing to have enough adhesive forces between rope and the plastic sheath; Rope must be eliminated because rope surface state factor causes the influence to the composite material adhesive force through no oil processing or processes such as coated with adhesive and/or heat treated before combination process to greatest extent.
Fig. 3 is a kind of embodiment of elevator of the present invention with transmission part.Groove 24 intersects at the D point on one side with transmission part and from the D point; Pass 21 backs, medial axis and intersect at the E point with the transmission part another side; Turn back by the E point again and pass medial axis 21 and intersect at the F point with transmission part; Groove 24 continuously, forms continuous geometric form surface elemant 25 on the transmission part length direction.In this embodiment, the area of geometric form surface elemant 25 equates.
Fig. 4 is elevator of the present invention another embodiment with transmission part; Difference is that in the embodiment of Fig. 4, the area of the geometric form surface elemant 25 that groove 24 surrounds is unequal; Groove 24 is done not equidistance bending, extends to the transmission part length direction.In addition, the area of adjacent two geometric form surface elemants is unequal, also can implement but the area of geometry character surface elemant at interval equates (promptly N geometric form surface elemant equates with N+2 geometric form surface elemant) such mode.
Fig. 5 is elevator of the present invention another embodiment with transmission part; Groove 24 intersects at the G point on one side and passes medial axis 21 with curve form with transmission part; Intersect at the H point with the transmission part another side; Pass medial axis 21 by the H point with curve form again and go back to the I point, so on the transmission part width direction, come the back bending folding, make equidistance to its length direction and extend with the mode of curve.Certainly, groove 24 is done equidistance or not equidistance extension with curve form on the length direction of transmission part, all in this patent is contained category.
Elevator transmission part with damping noise reduction function provided by the invention; Only just more than several kinds of embodiments done detailed description; But can not be interpreted as restriction to other mode of executions of the present invention; Everyly on basis of the present invention, further improve and similar or identical scheme, all being regarded as is the scope that the present invention asks for protection.
Claims (10)
1. an elevator is used transmission part; This transmission part is the flat belt shape; Comprise tension load bearing core rope of processing by metal or nonmetallic material (23) and the coating of processing by elastic material (22); It is characterized in that: said transmission part has at least and has continuous recess (24) on the outer surface, and said groove (24) continues to pass through medial axis (21) and at the outer surface formation rule or the irregular continuous geometric form surface elemant (25) of said transmission part.
2. elevator as claimed in claim 1 is used transmission part, it is characterized in that: the straight line of said groove (24) for bending continuously, or the curve that bends continuously, the bending shape of groove (24) is V-type, N type or ∽ type.
3. according to claim 1 or claim 2 elevator is used transmission part; It is characterized in that: intersect on said groove (24) both sides continuous and transmission part on the length direction of transmission part; Wherein, continuous three intersection points and between two sections grooves (24) surround a triangle or subtriangular geometric form surface elemant (25).
4. elevator as claimed in claim 3 is used transmission part, it is characterized in that: the area of adjacent two described triangles or subtriangular geometric form surface elemant (25) about equally.
5. elevator as claimed in claim 3 is used transmission part, it is characterized in that: the area of adjacent two described triangles or subtriangular geometric form surface elemant (25) is unequal.
6. elevator as claimed in claim 1 is used transmission part, it is characterized in that: said tension load bearing core rope (23) is the metallic material wire rope, and the wire rope cross section is circular or oval, vertically is arranged in equably in the said coating (22).
7. elevator as claimed in claim 6 is used transmission part, it is characterized in that: the coiling between adjacent two of the said tension load bearing core rope (23) is in the opposite direction, and right Regular lay Z-shape steel silk rope is staggered with left Regular lay S type wire rope.
8. elevator as claimed in claim 1 is used transmission part, it is characterized in that: said tension load bearing core rope (23) is that nonmetallic material are processed, and is graphite fiber, or/and glass fibre, aramide-fibre, superhigh molecular weight polyethylene fibers, polyester fibre.
9. elevator as claimed in claim 1 is used transmission part, it is characterized in that: said coating (22) is a thermoplastic polyurethane, or/and ethylene propylene diene rubber, butadiene rubber, nitrile butadiene rubber, butyl rubber.
10. elevator as claimed in claim 1 is used transmission part, it is characterized in that: be coated with Bond between said tension load bearing core rope (23) and the said coating (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104302986A CN102518747A (en) | 2011-12-20 | 2011-12-20 | Transmission part for elevators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104302986A CN102518747A (en) | 2011-12-20 | 2011-12-20 | Transmission part for elevators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102518747A true CN102518747A (en) | 2012-06-27 |
Family
ID=46289776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104302986A Pending CN102518747A (en) | 2011-12-20 | 2011-12-20 | Transmission part for elevators |
Country Status (1)
| Country | Link |
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| CN (1) | CN102518747A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991774A (en) * | 2013-02-18 | 2014-08-20 | 通力股份公司 | Elevator, traction sheave and traction surface method for foming traction sheave |
| CN111824907A (en) * | 2019-04-15 | 2020-10-27 | 康蒂泰克驱动***有限公司 | Tension belt or sling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08247221A (en) * | 1995-03-08 | 1996-09-24 | Nippon Mektron Ltd | Flat belt |
| CN1764589A (en) * | 2003-02-07 | 2006-04-26 | 奥蒂斯电梯公司 | Elevator strap assembly with groove arrangement capable of reducing noise |
| JP2007051755A (en) * | 2005-07-21 | 2007-03-01 | Mitsuboshi Belting Ltd | Flat belt |
| JP2007056943A (en) * | 2005-08-23 | 2007-03-08 | Mitsuboshi Belting Ltd | Flat belt |
| CN202520853U (en) * | 2011-12-20 | 2012-11-07 | 优耐德电梯有限公司 | Drive part for elevator |
-
2011
- 2011-12-20 CN CN2011104302986A patent/CN102518747A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08247221A (en) * | 1995-03-08 | 1996-09-24 | Nippon Mektron Ltd | Flat belt |
| CN1764589A (en) * | 2003-02-07 | 2006-04-26 | 奥蒂斯电梯公司 | Elevator strap assembly with groove arrangement capable of reducing noise |
| JP2007051755A (en) * | 2005-07-21 | 2007-03-01 | Mitsuboshi Belting Ltd | Flat belt |
| JP2007056943A (en) * | 2005-08-23 | 2007-03-08 | Mitsuboshi Belting Ltd | Flat belt |
| CN202520853U (en) * | 2011-12-20 | 2012-11-07 | 优耐德电梯有限公司 | Drive part for elevator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991774A (en) * | 2013-02-18 | 2014-08-20 | 通力股份公司 | Elevator, traction sheave and traction surface method for foming traction sheave |
| CN111824907A (en) * | 2019-04-15 | 2020-10-27 | 康蒂泰克驱动***有限公司 | Tension belt or sling |
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Application publication date: 20120627 |
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