CN209601902U - The handrail of high life - Google Patents
The handrail of high life Download PDFInfo
- Publication number
- CN209601902U CN209601902U CN201920157609.8U CN201920157609U CN209601902U CN 209601902 U CN209601902 U CN 209601902U CN 201920157609 U CN201920157609 U CN 201920157609U CN 209601902 U CN209601902 U CN 209601902U
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- layer
- strength layer
- handrail
- strength
- high life
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 27
- 229920003225 polyurethane elastomer Polymers 0.000 claims abstract description 12
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 8
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 6
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 6
- 229920001194 natural rubber Polymers 0.000 claims abstract description 6
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 117
- 239000000835 fiber Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 3
- 230000003679 aging effect Effects 0.000 abstract description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 7
- 239000000806 elastomer Substances 0.000 description 7
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000005060 rubber Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses the handrails of high life, from top to bottom successively include material be the wearing layer of MPU millable polyurethane elastomer, material is the elastic layer of natural rubber or butadiene rubber, the strength layer that material is curtain canvas, strength layer successively includes the first strength layer, the second strength layer and third strength layer from top to bottom, third strength layer lower end is equipped with lug boss, lug boss coats the head below the first strength layer and the second strength layer, and lug boss is bordered on elastic layer, and steel layer is equipped between the first strength layer and the second strength layer.The wearing layer of the utility model outer surface uses the material of MPU millable polyurethane elastomer, and wear-resisting, resistance to ozone, ageing properties are excellent；Intermediate elastic layer uses NR natural rubber or BR butadiene rubber, buckling performance and resilience can be improved, can guarantee the comfort of handrail, reduces injury of the driving device to handrail in use, the court of a feudal ruler long life accordingly also reduces the maintenance cost of escalator.
Description
Technical field
The utility model relates in escalator handrail field, more particularly, to the handrail of high life.
Background technique
For polyurethane elastomer English PU Elastomers, polyurethane is a kind of emerging high-molecular organic material, between
A kind of novel high polymer synthetic material between rubber and plastics, in practical applications, mostly as the update of rubber product
Product, and " the fifth-largest plastics " are known as, it is widely used in national economy various fields because of the performance of its brilliance.It is divided into
Casting type polyurethane elastomer (abbreviation CPU), thermoplastic polyurethane elastomer (abbreviation TPU), (letter of blending-type polyurethane elastomer
Claim MPU).
Casting type polyurethane elastomer (abbreviation CPU) is also thermo-setting elastomer, at normal temperature at liquid, after processed
At solid-state properties, since CPU has brilliant wearability (in elastomer best), so CPU is often used in carrying out casting processing, such as
Castor, mining, oil refining, weaving, printing machine roller, finished product are strong in terms of wearability.
Thermoplastic polyurethane elastomer (abbreviation TPU) equally has brilliant wearability (best in elastomer), often with CPU
For temperature at solid-state, the methods of heated or solution makes it become liquid becomes solid polyurethane material after processing sizing again.
TPU is most widely used, maximum one kind of yield in polyurethane elastomer, such as exercise: wheel for roller skates, shoes draw a bow to the full, cingulum, sealing
Part, automobile fitting part, wire and cable, sole, air cushion, day skin etc..
Millable polyurethane elastomer (abbreviation MPU) has the ﹑ of the Nai Mo ﹑ of the Nai You Wen of Nai Di ﹑ resistance to compression and high intensity etc. a series of excellent
Good comprehensive physical mechanical performance.They can be processed with general rubber tooling and technique.It answers extensively
For industries such as Qi Che ﹑ Ye Jin ﹑ electricity ﹑ Fang Zhi ﹑ machinery.Its product includes Mi Feng Jian ﹑ Jian Zhen Qi ﹑ Jiao Gun ﹑ rubber tire, adhesive tape, glue
Pipe etc..
The outer body material of escalator handrail generallys use rubber or thermoplastic polyurethane elastomer (TPU) on the market,
Its manufacture craft is simple, and used process equipment requires also not high, and general small enterprise can process, but the elevator after being made into is helped
Hand is with high costs, and service life is also not very long, applies in general to indoor elevator, belongs to the product of low and middle-end, with external
The comprehensive quality of the high-end handrail of some company's productions can not compare.And outdoor elevators, due to bearing rainwater, height for a long time
The erosion of temperature, low temperature, illumination etc. needs to produce a kind of handrail to meet the requirement of outdoor elevators.
Summary of the invention
The technical problem to be solved by the utility model is to provide the handrails of high life, are carried out using a variety of different materials
The frame mode of layer stack produces the excellent handrail of wear-resisting property, ageing properties.
Technical solution adopted by the utility model to solve the above technical problems is as follows: the handrail of high life, from top to bottom
Successively be the wearing layer of MPU millable polyurethane elastomer including material, material is the elastic layer of natural rubber or butadiene rubber, material
Matter is the strength layer of curtain canvas, and the strength layer successively includes that the first strength layer, the second strength layer and third are strong from top to bottom
Power layer, the third strength layer lower end are equipped with lug boss, and the lug boss will be below the first strength layer and the second strength layer
Head cladding, and the lug boss is bordered on elastic layer, equipped with steel between first strength layer and the second strength layer
Material layer.
It is further improved as the utility model, the wearing layer lower end is equipped with fillet part, the fillet part radius
For 1-2mm.Fillet part can effectively reduce the internal stress of wearing layer lower end, make in production and processing, and handrail lower end is less prone to contracting
The defects of washmarking, tilting, deformation, acute angle is eliminated, does not influence the comfort level of feel.
It is further improved as the utility model, the steel layer is located at the apical position of the second strength layer.Steel layer
It is close with escalator handrail position, when elevator is run, it can effectively load the main operation pulling force of entire handrail.
It is further improved as the utility model, the steel layer is with a thickness of 0.5-1mm.Steel layer too thick will affect is helped
The anti-bending strength of hand strap, steel layer is too thin just not to be had effective against tensile strength, and the thickness of 0.5-1mm is more appropriate.
It is further improved as the utility model, the steel layer is made of steel band or steel wire strand.Steel layer master
Wanting ingredient is steel band or steel wire, and for different length, the elevator of different operation bearing powers, steel layer can both use steel
Steel wire strand also can be used in band, to meet handrail performance requirement used in different elevators.
It is further improved as the utility model, the steel wire strand is the single layer of individual wire Side by side groupings
Structure.Each steel wire is mutually juxtaposed setting, and total number of plies is one layer.
It is further improved as the utility model, the steel wire strand diameter is 0.8-1mm.Steel layer main component be
Steel band or steel wire, steel wire diameter slightly will affect very much the anti-bending strength of handrail, steel wire diameter just do not have carefully very much effective against
The thickness of tensile strength, 0.8-1mm is more appropriate.
It is further improved as the utility model, the wearing layer is with a thickness of 1.5-3mm, the elastic layer
With a thickness of 3-7mm.Material high comprehensive performance used in the wearing layer of outer surface, price is higher, but thinner thickness, only
1.5-3mm, and intermediate elastic layer is with a thickness of 3-7mm, thickness is thicker, and the material price of elastic layer is also cheaper than wearing layer, institute
With the synthesis lower production costs of handrail.
It is further improved as the utility model, the thickness of first strength layer, the second strength layer and third strength layer
It spends equal, is 0.6-1mm.Handrail is stacked into plate construction in production, by different materials, is reprocessed into and helps for elevator
The c-type of hand, the first strength layer, the second strength layer and the material of third strength layer are all consistent, may be because of in forming process
Thickness is inconsistent and leads to one of layer stress concentration, influences the service life, thus these three layers all thickness is made into it is equal,
The thickness of 0.6-1mm keeps mechanical property and economic benefit best.
It is further improved as the utility model, the fiber grain direction of second strength layer and the first strength layer,
The ridge orientation of third strength layer is vertical.Three strength layers all use curtain canvas material, and the fiber line inside curtain canvas material
Road has scheduled direction, wherein the first strength layer is parallel with the ridge orientation of third strength layer, the lines side of the second strength layer
To vertical with the ridge orientation of the first strength layer, third strength layer, handrail is made to have preferable tension, bending resistance in direction in length and breadth
Intensity.
It is resistance to the utility model has the advantage of the material that the wearing layer of outer surface uses MPU millable polyurethane elastomer
Mill, resistance to ozone, ageing properties are excellent；Intermediate elastic layer uses NR natural rubber or BR butadiene rubber, can improve buckling performance
And resilience, it can guarantee the comfort of handrail, reduce injury of the driving device to handrail in use, the court of a feudal ruler is long to be used
Service life accordingly also reduces the maintenance cost of escalator；Head below first strength layer and the second strength layer is by lug boss
After cladding, head is just not easy the problem of tilting, and the outer surface of lug boss is smooth, and intensity is preferable, can extend the service life；
Steel layer can be obviously improved the tensile property of handrail entirety；Three of first strength layer, the second strength layer and third strength layer
Layered structure, each lift height is relatively thin, so internal stress is smaller, then has good buckling performance, can also improve makes
With the service life, the mutual good bond of three layerings simultaneously uses curtain canvas material, and abrasion resistance is good.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the utility model cross section.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
It is MPU millable polyurethane elastomer that the handrail of high life as shown in Figure 1: successively includes material from top to bottom
Wearing layer 1, material are natural rubber or the elastic layer 2 of butadiene rubber, material are the strength layer 10 of curtain canvas, and strength layer 10 is from upper
Arriving down successively includes the first strength layer 4, the second strength layer 5 and third strength layer 6, and 6 lower end of third strength layer is equipped with lug boss 6a,
Lug boss 6a coats the head of 5 lower section of the first strength layer 4 and the second strength layer, and lug boss 6a is bordered on elastic layer 2, and first
Steel layer 3 is equipped between strength layer 3 and the second strength layer 5.
1 lower end of wearing layer is equipped with fillet part 1a, and fillet part 1a radius is 1-2mm.
Steel layer 3 is located at the apical position of the second strength layer 5.
Steel layer 3 is with a thickness of 0.5-1mm.
Steel layer 3 is made of steel band or steel wire strand.
Steel wire strand is the single layer structure of individual wire Side by side groupings.
Steel wire strand diameter is 0.8-1mm.
Wearing layer 1 is with a thickness of 1.5-3mm, and elastic layer 2 is with a thickness of 3-7mm.
First strength layer 4, the second strength layer 5 are equal with the thickness of third strength layer 6, are 0.6-1mm.
The fiber grain direction of second strength layer 5 is vertical with the first strength layer 4, the ridge orientation of third strength layer 6.
Traditional rubber processing can be used to manufacture in MPU, so manufacturing process will not be too complicated, production cost compared with
It is low；MPU product has excellent wear-resisting property, solvent resistance, and cold tolerance also has good resistance to weather, tear-proof
Property, the features such as disturbing intensity, tensile strength and big elongation is bent, the service life of handrail can be significantly improved, but in view of MPU
The higher reason of material price, so 1 thickness of wearing layer is set as 1.5-3mm, intermediate elastic layer is with a thickness of 3-7mm, thickness
Thicker, the material price of elastic layer is also cheaper than wearing layer, and the overall cost of handrail would not be too high.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. the handrail of high life, it is characterised in that from top to bottom successively include material be MPU millable polyurethane elastomer it is resistance to
Mill layer, material are the elastic layer of natural rubber or butadiene rubber, the strength layer that material is curtain canvas, the strength layer on to
Under successively include the first strength layer, the second strength layer and third strength layer, the third strength layer lower end be equipped with lug boss, institute
The lug boss stated coats the head below the first strength layer and the second strength layer, and the lug boss is bordered on elastic layer,
Steel layer is equipped between first strength layer and the second strength layer.
2. the handrail of high life according to claim 1, it is characterised in that the wearing layer lower end is equipped with fillet part,
The fillet part radius is 1-2mm.
3. the handrail of high life according to claim 1, it is characterised in that the steel layer is located at the second strength layer
Apical position.
4. the handrail of high life according to claim 1, it is characterised in that the steel layer is with a thickness of 0.5-1mm.
5. the handrail of high life according to claim 1, it is characterised in that the steel layer is by steel band or multiply
Steel wire is constituted.
6. the handrail of high life according to claim 5, it is characterised in that the steel wire strand be individual wire simultaneously
Arrange combined single layer structure.
7. the handrail of high life according to claim 5, it is characterised in that the steel wire strand diameter is 0.8-
1mm。
8. the handrail of high life according to claim 1, it is characterised in that the wearing layer with a thickness of 1.5-3mm,
The elastic layer is with a thickness of 3-7mm.
9. the handrail of high life according to claim 1, it is characterised in that first strength layer, the second strength layer
It is equal with the thickness of third strength layer, it is 0.6-1mm.
10. the handrail of high life according to claim 1, it is characterised in that the fiber grain of second strength layer
Direction is vertical with the ridge orientation of the first strength layer, third strength layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157609.8U CN209601902U (en) | 2019-01-29 | 2019-01-29 | The handrail of high life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157609.8U CN209601902U (en) | 2019-01-29 | 2019-01-29 | The handrail of high life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209601902U true CN209601902U (en) | 2019-11-08 |
Family
ID=68401252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920157609.8U Active CN209601902U (en) | 2019-01-29 | 2019-01-29 | The handrail of high life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209601902U (en) |
-
2019
- 2019-01-29 CN CN201920157609.8U patent/CN209601902U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211122 Address after: 315605 tinggang industrial community, Yuexi Township, Ninghai County, Ningbo City, Zhejiang Province Patentee after: NINGHAI YIFAN RUBBER AND PLASTIC Co.,Ltd. Address before: 315600 Room 405, building 1, Zhengxue apartment, Zhengxue Road, Yuelong street, Ningbo, Zhejiang Patentee before: Zhou Zhanbo |
|
| TR01 | Transfer of patent right |