CN103112315A - Open type structure force tire incapable of being burst - Google Patents
Open type structure force tire incapable of being burst Download PDFInfo
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- CN103112315A CN103112315A CN2013100514301A CN201310051430A CN103112315A CN 103112315 A CN103112315 A CN 103112315A CN 2013100514301 A CN2013100514301 A CN 2013100514301A CN 201310051430 A CN201310051430 A CN 201310051430A CN 103112315 A CN103112315 A CN 103112315A
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Abstract
The invention provides an open type structure force tire incapable of being burst. The force tire is formed by a material with an elastic buffering property and is formed by an inner ring part for covering a force tire rim and an outer ring part for being contacted with the ground, wherein the shaft diameter of the inner ring is equal to or less than that of the outer ring; and the force tire is formed by a supporting plate which is located between inner and outer rings, is parallel to the shaft diameter and has a reversed-V-shaped lateral vision in an axial direction or is formed by annular wheel discs which are located on the middle lines of the shaft diameters of the two rims and are vertical to the shaft diameters of the two rims, and supporting plates which are located at the two sides of the annular wheel discs and are crossed in an X shape or is formed by a supporting plate which is outwardly radiated from the circle center of the force tire and is located between the inner and outer rings or is formed by a hollow cylindrical side wall between the inner and outer rings. The open type structure force tire can be widely applicable to a wheel type machine using the force tire, the advantages of the conventional force tire are kept and the disadvantages of the conventional force tire are overcome; and meanwhile, the force tire performances are greatly changed and improved, the service life of the force tire is greatly prolonged, the capability of coping with a complicated road surface are greatly improved, a production process of the force tire is greatly simplified and the production cost of the force tire is reduced.
Description
Affiliated technical field
The present invention relates to a kind of have support and buffer structure exempt to inflate by what have that elastic buffer character material makes the manufacturing technology of power tire of not blowing out, be mainly the manufacturing technology of polyurethane power tire, generally applicable multi-field wheeled power tire uses.
Background technology
The present patent application is that to have submitted the application number of Patent Office of the People's Republic of China to be 201110204785.0 and 201110462022.6 part continuation application, is again simultaneously that the patent No. of authorizing Chinese patent is the part continuation application of ZL200920274370.9, ZL201120256085.1 and ZL201120578218.7.
The power tire is to be different from the segmentation field that vehicle tyre comprises another wheeled tire of aircraft tire and hand cart tyre.In fact in traditional classification concept, power tire and hand cart tyre are concepts of obscuring, hand cart tyre is by the traditional classification concept of purposes, can be divided into several large classes such as cycle tyre, cart tire, three-wheel tire, electric tyre, cycle tyre and high-mobility, multipurpose, wheeled vehicle tire, they are compared with motor tire, have that wheel rim is large and tire is less, load-bearing and the characteristics such as speed is limited, manufacturing process is relatively simple.Generally speaking, hand cart tyre is one of important traffic accessory of power mechanical type vehicle (comprising motor bike).
And the power tire, be not to be the tire that power mechanical type vehicle has strictly speaking, the remarkable difference of it and hand cart tyre is not to be to be installed on " vehicle " (comprising power actuated vehicle and non-power-driven vehicle), but being applicable to various perambulators and doll carriage castor, various dry skating and slide plate pulley, Castor for trunk or bag, various cardan wheel, various go-cart and rolling cart castor and various bed, frame class castor etc., its purposes is very extensive.And not having strictly speaking at present general designation or the concept of " power tire " this restriction intension both at home and abroad, its product of containing is all with the name nominating of product separately.
Alleged " the power tire " of present patent application namely contained and not merely contained the said goods simultaneously.
For a long time, the manufacturing of power tire comprises even wood etc. of metal, plastic cement, polyurethane, rubber, glass according to its material of difference of its purposes, and its common characteristics are or have open architecture and do not have elasticity, or have elasticity and do not have open architecture.Certainly, portioned product does not also require that it has open architecture or elasticity in using, but most of product needed both have concurrently.For example the elastic characteristic of power tire can be used for all many-sides, comprises case and bag and various go-cart castors etc., can reduce and jolt, and prevents from that frangible kinds of goods from being undermined to increase the service life; Be used for for another example the trolley for hospital use, Operation trolley of transporting patient etc., alleviate jolt in, but reduction of patient painful and prevent the generation of secondary injury.Consider from the optimization of using and making, the saving of the easy and material of the comfortable and manufacturing of use should be the departure point place of present patent application.
At present, exempt to inflate the open architecture power tire that has simultaneously the elastic buffer performance concurrently of not blowing out and still belong to blank field in China.
Summary of the invention
exempt to inflate for filling up the open architecture power tire that has simultaneously the elastic buffer performance concurrently the blank field in China of not blowing out, the invention provides a kind of new power tire selects, namely utilize the material with elastic buffer character, between power tire wheel rim and ground, set up a buffering and support belt, by to the change of the carrying of existing power tire and buffer structure and rational formula for a product, reach the advantage that keeps existing power tire, overcome the purpose of existing power tyre defect, significantly improve simultaneously power tire performance, significantly improve the ability of power tire service life and reply complex road surface, the production technology of reduced force tire and reduce the productive costs of power tire significantly simultaneously.
" exempting to inflate the open architecture power tire of not blowing out and having simultaneously the elastic buffer performance concurrently " of the present invention (being called for short " power of not blowing out tire " or " open architecture power tire " or " open type power tire "), the elastomeric cushion material of its power tire adopts the elastomeric cushion materials such as rubber, plastic cement or polyurethane, the present invention makes and adopts polyurethane to make hand cart tyre main body---the elastic body of not blowing out, and its tyre surface adopts the polyurethane of same formula.
described open type power tire structure is puted forth effort the tire wheel rim by parcel polyurethane inner round portion is formed with the polyurethane outer ring part that contacts with ground, the diameter of axle of polyurethane inner ring is equal to or less than the diameter of axle of polyurethane outer ring, therebetween by being positioned at polyurethane, between the outer ring and be parallel to its axial side-looking of the diameter of axle be down " V " shape stay bearing plate or by be positioned at two wheel rim diameter of axle center lines and perpendicular to the ring-type disc of the two wheel rim diameters of axle and ring-type disc both sides be stay bearing plate that " X " shape intersects or by the power tire center of circle outwards radiation formed at the stay bearing plate between described Internal and external cycle or by the hollow cylinder sidewall between described Internal and external cycle.
The radial cross-section of open type power tire is rectangular or trapezoidal, as it is less to be trapezoidal inner round portion, and inner round portion and wheel rim are bonding.
In the situation that the radial cross-section of open type power tire is rectangular, between two wheel rims and be parallel to the stay bearing plate that its axial side-looking of the diameter of axle is down " V " shape, its " V " clevis angle is between 10 °-120 °; Being positioned at ring-type disc both sides is the every side of stay bearing plate that " X " shape intersects and inner ring binding site and passes the plane included angle that the radius extended line of this point does and be 10 °-60 °.
In the situation that the radial cross-section of open type power tire is trapezoidal, between two wheel rims and be parallel to the every side outer rim of stay bearing plate and the radial plane that its axial side-looking of the diameter of axle is down " V " shape and be the angle of 10 °-30 °, its " V " clevis angle is between 10 °-120 °; Be positioned at ring-type disc both sides and be the every side outer rim of stay bearing plate and the radial plane that " X " shape intersects and be the angle of 10 °-30 °, be positioned at simultaneously ring-type disc both sides and be the plane included angle that the every side of stay bearing plate and the inner ring binding site that " X " shape intersects and the radius extended line that passes this point do and be 10 °-60 °.
In open type power tire, be positioned at two wheel rim diameter of axle center lines and be plane perpendicular to the ring-type disc of the two wheel rim diameters of axle, it is perpendicular to the pivot center of this power tire, and be positioned at the centre of the axial end of described Internal and external cycle circle tube member, each ring-type disc both sides are the stay bearing plate member that " X " shape intersects stretches out vertically from the opposite flank of described ring-type disc member, and stay bearing plate tilts along relative direction simultaneously.In the situation that the radial cross-section of open type power tire is trapezoidal, described stay bearing plate stretches out with 10 ° of-30 ° of angles with respect to radial plane.
In the situation that the radial cross-section of open type power tire is trapezoidal, between two wheel rims and be parallel to that its axial side-looking of the diameter of axle is down the stay bearing plate of " V " shape or by being positioned at two wheel rim diameter of axle center lines and being perpendicular to the ring-type disc of the two wheel rim diameters of axle and ring-type disc both sides the stay bearing plate that " X " shape is intersected, constantly open to the outer ring circle tube member from described inner ring circle tube member the both sides of its stay bearing plate member, so that be rendered as a trapezoidal cross-sectional plane in an axial plane.
Open type power tire is because the cross section of trapezium structure can be distributed the power of bearing well, when especially travelling on horizontal acceleration and inclined-plane, the area of contact on tyre surface of the present invention and ground is along with its elastomeric cushion material stands to stretching or compressing and maintenance maximization as far as possible, stability and earth-grasping force under this type of operating mode have been increased, avoid tyre surface and the increase tendency that reduce trend and tyre sidewall kiss the earth of contact area of ground under this type of operating mode of present power tire, also further strengthened handling and safety.
Simultaneously, open type power tire can effectively be avoided present some inflation power tire, and wearing and tearing strengthen to the both sides tire shoulder when losing gas, and cause the situation of crown middle part wearing and tearing aggravation to occur when many gas, also can avoid the tire pressure that the power tire causes because expanding with heat and contract with cold in various temperature environment to change, these situations not only affect to be controlled, and has stayed simultaneously great potential safety hazard.
In open type power tire, the poly-amino of described elastomeric material is made by following raw material:
1, oligomer polyol: comprise polyester polyol, polyether glycol, polyolefin polyhydric alcohol etc., between mol wt 500-6000.
2, diisocyanate and polyisocyanates: comprise toluene diisocyanate (TDI), any in '-diphenylmethane diisocyanate (MDI), IPDI (IPDI), naphthalene diisocyanate (NDI), tetramethylbenzene methylene diisocyanate (TMXDI), hexamethylene diisocyanate (HDI), or the combination of at least two kinds, preferred MDI and NDI.Polyisocyanates comprises the tripolymer of TDI, MDI, HDI, IPDI.
3, chain extender comprises diamine and diatomic alcohol two classes, diamine chain extenders comprises 3,3 '-two chloro-4,4 '-diphenylmethanediamiand (MOCA) and hexyl toluene diamine (DETDA), dimethythiotoluene diamine (DMTDA) etc., diatomic alcohol comprises ethylene glycol, propylene glycol, butylene glycols, 1,4-two (2-ethylol) hydroquinones, the 2-methyl isophthalic acid, ammediol, N, N-two (2 hydroxypropyl) aniline etc., wherein the diatomic alcohol chain extender only adds seldom amount or inapplicable, preferred MOCA.
4, crosslinking agent comprises trimethylolpropane, triisopropanolamine and glycerine, isocyanuric acid ester etc.
5, other auxiliary agent comprises pigment, filler, hydrolysis stabilizer etc.
6, by pigment is directly mixed with polyalcohol, can obtain versicolor polyurethane open architecture power tire.
Open type power tire synthetic comprise performed polymer production, build and three processes of post curing.
Performed polymer synthesizes production stage:
1. polyester polyols dehydration of alcohols (carrying out in dehydrating kettle)
After polyester diol or polyether Glycols heat fused, dewater in the corrosion-resistant steel of being with stirring or enamel still, dehydration temperaturre is controlled at 100～140 ℃ (100～110 ℃ of polyethers), under overbottom pressure, (0.67kPa) dehydration 30～60min, make its water content＜0.05% (from visor observable cases of dehydration).For making pot liquid fully degassed, intermittently the start-stop mixing device, after taking out a period of time vacuum, can stop the retort heating, makes material temperature be down to 70～80 ℃.
2. performed polymer synthesizes (carrying out) in reactor
Power tire performance depends on raw MAT'L used and proportioning and processing technology.First select suitable raw MAT'L according to performance requriements, more according to hardness require selected appropriate proportioning and technological condition (as mixing temperature, cast and demould time and slaking condition etc.).For guaranteeing the performed polymer quality, polyester dehydration and performed polymer are synthetic preferably not to carry out in same still, and the performed polymer synthetic reaction is carried out under the drying nitrogen protection.For preventing that reaction is violent, temperature rise is too fast, must have cooling mechanism.Charging sequence is for first adding isocyanates, after add low molecular weight polyols.As react violent, and the low molecular weight polyols graded adds, and makes course of reaction steady, and temperature of reaction is easy to control, and synthetic performed polymer middle reaches divorced cyanate ester monomer content is lower, and structure is more regular.Temperature remains on 80 ± 5 ℃, reaction 1～2h post analysis NCO content.In the control performed polymer, isocyano-content is between 3.5-6.5%.
3. performed polymer is degassed
Can carry out deaeration 30～60min under 85 ± 5 ℃ and overbottom pressure 0.67kPa in the A of performed polymer synthesis reaction vessel or cating machine batch can (depositing the material pot of base polyurethane prepolymer for use as).
Build step:
Add crosslinking agent, chain extender and other auxiliary agent in B batch can (depositing the material pot of crosslinking agent etc.), start the heating system of each component, make A, B material all reach requirement temperature and each self-loopa, the A material can first carry out vacuum degasification as needing, and reaches in performed polymer without bubble.By regulating rotating speed and the discharge capacity of measuring pump, make A, B material meet the requirements of mixture ratio by the formula requirement.Start the cast button, A, B material makes it to mix by mixing at a high speed in the hybrid chamber of pouring head, when the mixture of discharging can not poured into a mould in mould during bubbles in transparent hose.When cast stopped, A, B stoste namely transferred recurrent state separately automatically to, got back to separately in batch can.
Slaking:
Should carry out maturation process before the demoulding of open type power tire in mould, it is not higher as far as possible under the prerequisite of failure that curing temperature can be chosen in its chemical constitution, to accelerate the chain extension-crosslinking reaction, shorten demould time, improve mould and capacity utilization rate, often with 100～120 ℃, 1～24h is advisable.
Concrete preparation manipulation
Synthesizing of performed polymer:
System is synthetic according to conventional approach, wherein, the oligomer diatomic alcohol be mol wt at polyester diol or the polyether Glycols of 1000-2000, the isocyanates of employing is NDI, isocyanates accounts between the 10-30% of total amount, guarantees that the content of the isocyano of performed polymer is between 4.5-6.5.
The preparation of open type power tire:
Performed polymer is moved to respectively in polyurethane elastomer casting machine A tank, be heated to 80～90 ℃, be evacuated to deaeration 30～60min under overbottom pressure 0.67kPa.Chain extender, crosslinking agent etc. is moved in the B tank, measure according to a conventional method isocyano-content in performed polymer and calculate the ratio of performed polymer and chain extender consumption in the chain extension coefficient of setting, and regulate in proportion the measuring pump of cating machine A, B two tanks.
The wheel hub of power tire is placed in the tire-mold that is preheated to 110～130 ℃, starts cating machine and pour into a mould.Depanning after insulation 90-120min after casting complete, then will pour into a mould good power tire and place slaking 24h in the baking oven of 110～130 ℃, namely make polyurethane open architecture power tire.
Open type power tire material physical property table
| Physical property | Numerical value |
| Hardness | 90A |
| Peel strength (kN/m) | 130 |
| Breaking elongation (%) | 670 |
| 100% tensile modulus (MPa) | 11 |
| Compression set (%) | 15 |
| Abrasion loss (mg) | 8.0 |
In sum, in the power of not blowing out tire, the manufacturing technology of its described power tire is that the direct cast of two kinds of urethane raws forms.
The present invention is not limited only to use in power tire field, relates at all and all can use the present invention in the wheel machine that the wheeled tire of present small-sized low speed uses and reach the effect that advantage is avoided present wheeled tyre defect of developing.
By reading above description, can be well understood to feature of the present invention, and the utilization of these features by different new material new process can separately or combine with other features and form more multiple bright basis, thereby obtains further perfect in implementation process of the present invention.
Description of drawings
The present invention is further illustrated below in conjunction with drawings and Examples.
Fig. 1 is that the vertical shaft of power tire is to schematic side view.
Fig. 2 is that the vertical shaft of another kind of power tire is to schematic side view.
Fig. 3 is that the vertical shaft of the third power tire is to schematic side view.
Fig. 4 is that the vertical shaft of the 4th kind of power tire is to schematic side view.
Fig. 5 is the sectional drawing of tangent line in Fig. 1 (9).
Fig. 6 is the another kind of sectional drawing of tangent line in Fig. 1 (9).
Fig. 7 is the sectional drawing of tangent line in Fig. 1 (8).
Fig. 8 is the another kind of sectional drawing of tangent line in Fig. 1 (8).
Fig. 9 is the sectional drawing of tangent line in Fig. 2 (14).
Figure 10 is the another kind of sectional drawing of tangent line in Fig. 2 (14).
Figure 11 is the sectional drawing of tangent line in Fig. 2 (13).
Figure 12 is the another kind of sectional drawing of tangent line in Fig. 2 (13).
In these accompanying drawings, identical label represents same part or similar portions, wherein:
1. power tire wheel rim;
2. polyurethane inner ring;
3. polyurethane outer ring;
4. polyurethane stay bearing plate;
5. polyurethane stay bearing plate;
6. polyurethane stay bearing plate;
7. angle 1;
8. tangent plane 1;
9. tangent plane 2;
10. polyurethane stay bearing plate;
11. the radius extended line of power tire;
12. angle 2;
13. tangent plane 3;
14. tangent plane 4;
15. the power tire center of circle;
16. polyurethane stay bearing plate;
17. angle 3;
18. polyurethane stay bearing plate;
19. power tire radial plane;
20. ring-type disc
21. depending on the side stay bearing plate;
22. offside stay bearing plate;
23. angle 4;
24. polyurethane stay bearing plate;
25. polyurethane stay bearing plate;
26. flange;
27. cavity;
28. cavity;
29. polyurethane stay bearing plate.
The specific embodiment
In Figure of description, identical label represents same part or similar portions, and wherein the specific descriptions of Reference numeral are as follows: 1. power tire wheel rim; 2. polyurethane inner ring; 3. polyurethane outer ring; 4. polyurethane stay bearing plate (specific descriptions are: by outside two in the stay bearing plate of radiation between the inside and outside circle of polyurethane in the power tire center of circle); 5. polyurethane stay bearing plate (specific descriptions are: between the inside and outside circle of polyurethane and be parallel in the stay bearing plate that its axial side-looking of the diameter of axle is down " V " shape one); 6. polyurethane stay bearing plate (specific descriptions are: be arranged in polyurethane inside and outside circle diameter of axle center line and look of side stay bearing plate perpendicular to what the ring-type disc both sides of the inside and outside circle diameter of axle of polyurethane were stay bearing plate that " X " shape intersects); 7. angle 1 (specific descriptions are: between the inside and outside circle of polyurethane and be parallel to stay bearing plate formed " V " the clevis angle that its axial side-looking of the diameter of axle is down " V " shape, its angle is between 10 °-120 °); 8. tangent plane 1 (specific descriptions are: pass the hand cart tyre center of circle and fall arbitrary the sectional drawing that the stay bearing plate mid point is done in " V " shape stay bearing plate, sectional drawing is seen Fig. 7, Fig. 8); 9. tangent plane 2 (specific descriptions are: vertically pass down the sectional drawing that arbitrary stay bearing plate in " V " shape stay bearing plate done, sectional drawing is seen Fig. 5,6); 10. polyurethane stay bearing plate (specific descriptions are: be arranged in polyurethane inside and outside circle diameter of axle center line and be of offside stay bearing plate of the stay bearing plate that " X " shape intersects perpendicular to the ring-type disc both sides of the inside and outside circle diameter of axle of polyurethane, be represented by dotted lines); 11. the radius extended line of power tire; 12. angle 2 (specific descriptions are: be positioned at ring-type disc both sides and be the every side of stay bearing plate that " X " shape intersects and inner ring binding site and pass the plane included angle that the radius extended line of this point is done, its angle is between 10 °-60 °); 13. tangent plane 3 (specific descriptions are: pass the power tire center of circle and be arranged in polyurethane inside and outside circle diameter of axle center line and be perpendicular to the ring-type disc both sides of the inside and outside circle diameter of axle of polyurethane the sectional drawing that " X " shape point of crossing of the stay bearing plate that " X " shape intersects is done, sectional drawing is seen Figure 11,12); 14. (specific descriptions are tangent plane 4: pass and be positioned at polyurethane inside and outside circle diameter of axle center line and be perpendicular to the ring-type disc both sides of the inside and outside circle diameter of axle of polyurethane the power tire sectional drawing that stay bearing plate that " X " shape intersects forms, it is looked the side part and fully vertically passes one that looks in the side stay bearing plate, and sectional drawing is seen Fig. 9,10); 15. the power tire center of circle; 16. polyurethane stay bearing plate (specific descriptions are: fall vertical omniplance of a stay bearing plate in " V " shape stay bearing plate); 17. angle 3 (specific descriptions are: between the inside and outside circle of polyurethane and be parallel to its axial side-looking of the diameter of axle and be down the every side outer rim of stay bearing plate of " V " shape and the angle of radial plane, its angle is between 10 °-30 °); 18. polyurethane stay bearing plate (specific descriptions are: pass the power tire center of circle and fall a diagonal plane that stay bearing plate is done along mid point in " V " shape stay bearing plate); 19. hand cart tyre radial plane; 20. ring-type disc (specific descriptions are: be positioned at polyurethane inside and outside circle diameter of axle center line and perpendicular to the ring-type disc of the two wheel rim diameters of axle); 21. depending on side stay bearing plate (specific descriptions are: be arranged in ring-type disc both sides and be the stay bearing plate that " X " shape intersects and look wherein vertical omniplance of a stay bearing plate of side); 22. offside stay bearing plate (specific descriptions are: be arranged in ring-type disc both sides and be stay bearing plate that " X " shape intersects to the side part tangent plane of a stay bearing plate wherein); 23. angle 4 (specific descriptions are: be positioned at ring-type disc both sides and be the every side outer rim of stay bearing plate that " X " shape intersects and the angle of radial plane, its angle is between 10 °-30 °); 24. polyurethane stay bearing plate (specific descriptions are: pass the power tire center of circle and be arranged in ring-type disc both sides be the stay bearing plate that " X " shape intersects and look wherein diagonal plane that stay bearing plate is done along mid point of side); 25. polyurethane stay bearing plate (specific descriptions are: pass the power tire center of circle and be arranged in ring-type disc both sides be stay bearing plate that " X " shape intersects to side diagonal plane that stay bearing plate is done along mid point wherein); 26. flange (specific descriptions are: be positioned at the both sides outer rim of power tire wheel rim outside face and higher than the flange of wheel rim outside face); 27. cavity (specific descriptions are: by the outside radiation in power tire center of circle cavity in adjacent two stay bearing plates between the inside and outside circle of polyurethane); 28. (specific descriptions are cavity: the cavity that is hollow cylindrical between the inside and outside circle of polyurethane); 29. (specific descriptions are the polyurethane stay bearing plate: the cavity sidewalls that is hollow cylindrical between the inside and outside circle of polyurethane).
Below in conjunction with accompanying drawing, introduce several most preferred embodiment of the present invention, make above-mentioned elaboration of the present invention and implement objects and advantages of the present invention clearer.
Fig. 1 is that the vertical shaft of the wherein a kind of power tire in open architecture power tire of not blowing out of the present invention is to schematic side view.on the power tire wheel rim (1) of flanged pin (26), be equipped with by polyurethane inner ring (2), polyurethane outer ring (3) and be positioned at polyurethane, between outer ring (2) (3) and with polyurethane in, outer ring (2) (3) combination be parallel to the power tire system that polyurethane stay bearing plate (5) that its axial side-looking of the diameter of axle is down " V " shape forms, polyurethane stay bearing plate (5) formed " V " the clevis angle 1 (7) that it falls " V " shape, its angle is between 10 °-120 °, and all polyurethane stay bearing plate (5) formed " V " clevis angle 1 (7) angles of falling " V " shape are identical, in most preferred embodiment, the scope of angle 1 (7) is preferably between 40 °-80 °.The inside and outside circle of described polyurethane (2) (3) and polyurethane stay bearing plate (5) are as a whole, be on power tire shaping dies once moulding by casting form, in casting process, the wheel rim of power tire (1) is positioned in the power placenta together to be poured into a mould with polyurethane.
Fig. 2 is that the vertical shaft of the wherein another kind of power tire in open architecture power tire of not blowing out of the present invention is to schematic side view.equally on the power tire wheel rim (1) of flanged pin (26), be equipped with by polyurethane inner ring (2), polyurethane outer ring (3) and be positioned at polyurethane, between outer ring (2) (3) and with polyurethane in, being positioned at two wheel rim diameter of axle center lines and being perpendicular to the ring-type disc (20) of the two wheel rim diameters of axle and ring-type disc (20) both sides the power tire system that polyurethane stay bearing plate (6) (10) that " X " shape intersects forms of outer ring (2) (3) combination, its described ring-type disc (20) is the polyurethane identical with described polyurethane stay bearing plate (6) (10) composition, and combine with described polyurethane stay bearing plate (6) (10), its described ring-type disc (20) both sides are the every side of polyurethane stay bearing plate (6) (10) that " X " shape intersects and polyurethane inner ring (2) binding site and pass the formed plane included angle 2 (12) of radius extended line (11) of this point, its angle is between 10 °-60 °, and all are positioned at two wheel rim diameter of axle center lines and are the every side of polyurethane stay bearing plate (6) (10) that " X " shape intersects and polyurethane inner ring (2) binding site and pass radius extended line (11) formed plane included angle 2 (12) angles of this point identical perpendicular to ring-type disc (20) both sides of the two wheel rim diameters of axle, in most preferred embodiment, the scope of angle 2 (12) is preferably between 60 °-80 °.It is as a whole that the inside and outside circle of described polyurethane (2) (3), ring-type disc (20) and ring-type disc (20) both sides are the polyurethane stay bearing plate (6) (10) that " X " shape intersects, be equally on power tire shaping dies once moulding by casting form.Described ring-type disc (20) is to form on the die joint of power tire shaping dies, thereby is positioned on the medium line of the inside and outside circle of polyurethane (2) (3) axial end.because described ring-type disc (20) is " fash " on mold parting surface, therefore described ring-type disc (20) is the polyurethane diaphragm of a thin tool retractility, the polyurethane stay bearing plates (6) (10) that " X " shape is intersected that are that combine with ring-type disc (20) in ring-type disc (20) both sides, all stay bearing plates of every side (6) are to tilt with same angle in the same direction, and offside stay bearing plate (10) is to tilt with same angle in opposite direction, the axial side-looking of supported on both sides plate (6) (10) is " X " shape and intersects.
Fig. 3 is that the vertical shaft of the third power tire in open architecture power tire of not blowing out of the present invention is to schematic side view.on the power tire wheel rim (1) of flanged pin (26), be equipped with outwards to be radiated by the power tire center of circle (15) and be positioned at polyurethane, stay bearing plate (4) between outer ring (2) (3), cavity (27) in adjacent two described stay bearing plates (4) is positioned at polyurethane, between outer ring (2) (3), by polyurethane inner ring (2), polyurethane outer ring (3) reaches outwards to be radiated by the power tire center of circle (15) and is positioned at polyurethane, stay bearing plate (4) between outer ring (2) (3) forms power tire system is as a whole, be on power tire shaping dies once moulding by casting form, in casting process, the wheel rim of power tire (1) is positioned in the power placenta together to be poured into a mould with polyurethane.
Fig. 4 is that the vertical shaft of the 4th kind of power tire in open architecture power tire of not blowing out of the present invention is to schematic side view.on the power tire wheel rim (1) of flanged pin (26), be equipped with to be positioned at polyurethane, cavity (28) the formed polyurethane stay bearing plate of sidewall (29) that is hollow cylindrical between outer ring (2) (3), the cavity (28) that is hollow cylindrical between adjacent two described stay bearing plates (29) is positioned at polyurethane, between outer ring (2) (3), by polyurethane inner ring (2), polyurethane outer ring (3) reaches by being positioned at polyurethane, the power tire system that is between outer ring (2) (3) that cavity (28) the formed polyurethane stay bearing plate of sidewall (29) of hollow cylindrical forms is as a whole, be on power tire shaping dies once moulding by casting form, in casting process, the wheel rim of power tire (1) is positioned in the power placenta together to be poured into a mould with polyurethane.
Fig. 5, Fig. 6 are tangent plane 2 figure (i.e. cross sectional drawing that is arranged on the power tire on wheel rim (1) and does along the tangent line in Fig. 1 (9)) of Fig. 1 tangent line (9) in the power tire of not blowing out of the present invention.As previously mentioned, the radial cross-section of the power of not blowing out tire is rectangular or trapezoidal, so the structural relation in the rectangular or trapezoidal situation for the radial cross-section of power tire of not blowing out set forth of Fig. 5, Fig. 6.
In Fig. 1, the power tire omniplance figure that does along tangent line (9) sees Fig. 5, Fig. 6.wherein, on the power tire wheel rim (1) of flanged pin (26), be equipped with by polyurethane inner ring (2), polyurethane outer ring (3) and be positioned at polyurethane, between outer ring (2) (3) and with polyurethane in, the cross sectional drawing of the power tire that the vertical omniplance (16) that is parallel to a stay bearing plate in the polyurethane stay bearing plate (5) that its axial side-looking of the diameter of axle is down " V " shape of outer ring (2) (3) combination forms, polyurethane inner ring (2) be arranged on the outside face of power tire wheel rim (1) and be positioned at wheel rim (1) outside face both sides and the flange (26) higher than wheel rim (1) outside face between, like this in the use procedure of power tire, due to have flange (26) stop and " seize on both sides by the arms " effect, under extreme condition of service, the power tire is unlikely forms so-called " knocking over " phenomenon in wheel rim (1) upper generation displacement.
in Fig. 5, can see coaxial with polyurethane outer ring (3) because of the polyurethane inner ring (2) in the power tire and width is identical, the width of polyurethane inner ring (2) (length of namely measuring along axis direction) is the width (straight length of namely measuring along axis direction) of facing and equal to be all a polyurethane outer ring (3) of facing directly directly, therefore each is positioned at polyurethane, between outer ring (2) (3) and to be parallel to the power tire omniplance that polyurethane stay bearing plate (5) that its axial side-looking of the diameter of axle is down " V " shape does along tangent line (9) rectangular, described polyurethane stay bearing plate (5) respectively with polyurethane inner ring (2) and polyurethane outer ring (3) combination.
in Fig. 6, can see equally because of the polyurethane inner ring (2) in the power tire from polyurethane outer ring (3) is coaxial but width is different, the width of polyurethane inner ring (2) (length of namely measuring along axis direction) is to face directly and less than the width that is all a polyurethane outer ring (3) of facing directly (straight length of namely measuring along axis direction), therefore each is positioned at polyurethane, between outer ring (2) (3) and be parallel to the power tire omniplance that polyurethane stay bearing plate (5) that its axial side-looking of the diameter of axle is down " V " shape does along tangent line (9) and be trapezoidal, nearly wheel rim (1) part is less, described polyurethane stay bearing plate (5) respectively with polyurethane inner ring (2) and polyurethane outer ring (3) combination.
Fig. 7, Fig. 8 are tangent plane 1 figure (i.e. cross sectional drawing that is arranged on the power tire on wheel rim (1) and does along the tangent line in Fig. 1 (8)) of Fig. 1 tangent line (8) in the power tire of not blowing out of the present invention.As previously mentioned, the radial cross-section of the power of not blowing out tire is rectangular or trapezoidal, so the structural relation in the rectangular or trapezoidal situation for the radial cross-section of power tire of not blowing out set forth of Fig. 7, Fig. 8.
In Fig. 1, the power tire omniplance figure that does along tangent line (8) sees Fig. 7, Fig. 8.wherein, on the power tire wheel rim (1) of flanged pin (26), be equipped with by polyurethane inner ring (2), polyurethane outer ring (3) and be positioned at polyurethane, between outer ring (2) (3) and with polyurethane in, outer ring (2) (3) combination be parallel in the polyurethane stay bearing plate (5) that its axial side-looking of the diameter of axle is down " V " shape one by the cross sectional drawing that passes the power tire that diagonal plane (18) that the power tire center of circle (15) and described this stay bearing plate do along mid point forms, polyurethane inner ring (2) be arranged on the outside face of power tire wheel rim (1) and be positioned at wheel rim (1) outside face both sides and the flange (26) higher than wheel rim (1) outside face between.Cut arbitrary polyurethane stay bearing plate (5) because passing the power tire center of circle (15) and falling diagonal plane (18) part that a stay bearing plate in " V " shape stay bearing plate does along mid point, so the polyurethane stay bearing plate (5) in Fig. 1 shows as part tangent plane (18).
in like manner, in Fig. 7, coaxial with polyurethane outer ring (3) and width is identical because of the polyurethane inner ring (2) in the power tire, the width of polyurethane inner ring (2) (length of namely measuring along axis direction) is the width (straight length of namely measuring along axis direction) of facing and equal to be all a polyurethane outer ring (3) of facing directly directly, pass the tire center of circle (15) and fall the diagonal plane (18) that a stay bearing plate in " V " shape stay bearing plate does along mid point rectangular, described polyurethane stay bearing plate (18) respectively with polyurethane inner ring (2) and polyurethane outer ring (3) combination.
in Fig. 8, can see equally because of the polyurethane inner ring (2) in the power tire from polyurethane outer ring (3) is coaxial but width is different, the width of polyurethane inner ring (2) (length of namely measuring along axis direction) is to face directly and less than the width that is all a polyurethane outer ring (3) of facing directly (straight length of namely measuring along axis direction), therefore each is positioned at polyurethane, between outer ring (2) (3) and be parallel to polyurethane stay bearing plate (5) radial cross-section that its axial side-looking of the diameter of axle is down " V " shape and be trapezoidal, so pass the power tire center of circle (15) and fall the diagonal plane (18) that a stay bearing plate in " V " shape stay bearing plate does along mid point and be trapezoidal, nearly wheel rim (1) part is less, described polyurethane stay bearing plate (18) respectively with polyurethane inner ring (2) and polyurethane outer ring (3) combination.intersect in the power tire center of circle (15) along the extended line of the trapezoidal outer rim in both sides of the trapezoidal cross-section (18) of described polyurethane stay bearing plate and the radial plane (19) of tire, formed plane included angle 3 (17), its angle is between 10 °-30 °, and it is identical to intersect formed plane included angle 3 (17) angles along all polyurethane stay bearing plates (5) in the power tire center of circle (15) in the extended line of the trapezoidal outer rim in both sides of passing the trapezoidal diagonal plane (18) that the power tire center of circle and stay bearing plate do along mid point and the radial plane (19) of power tire, in most preferred embodiment, the scope of angle 3 (17) is preferably between 20 °-30 °.
Fig. 9, Figure 10 are tangent plane 4 figure (i.e. cross sectional drawing that is arranged on the power tire on wheel rim (1) and does along the tangent line in Fig. 2 (14)) of Fig. 2 tangent line (14) in the power tire of not blowing out of the present invention.As previously mentioned, the radial cross-section of the power of not blowing out tire is rectangular or trapezoidal, so the structural relation in the rectangular or trapezoidal situation for the radial cross-section of power tire of not blowing out set forth of Fig. 9, Figure 10.
In Fig. 2, the power tire omniplance figure that does along the tangent line of (14) sees Fig. 9, Figure 10.wherein, on the power tire wheel rim (1) of flanged pin (26), be equipped with by polyurethane inner ring (2), polyurethane outer ring (3) and be positioned at polyurethane, between outer ring (2) (3) and with polyurethane in, passing of outer ring (2) (3) combination is positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, ring-type disc (20) both sides of outer ring (2) (3) diameter of axle are stay bearing plate (6) (10) that " X " shape intersects, and it is looked the side part and fully vertically passes the cross sectional drawing of looking the power tire that tangent plane that one (21) in the side stay bearing plate generate forms, same polyurethane inner ring (2) be arranged on the outside face of power tire wheel rim (1) and be positioned at wheel rim (1) outside face both sides and the flange (26) higher than wheel rim (1) outside face between, like this in the use procedure of power tire, due to stopping and " seizing on both sides by the arms " effect of flange (26) being arranged, under extreme condition of service, the power tire is unlikely forms so-called " knocking over " phenomenon in wheel rim (1) upper generation displacement.
at Fig. 9, in Figure 10, because passing, Fig. 2 tangent line (14) is positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, ring-type disc (20) both sides of outer ring (2) (3) diameter of axle are stay bearing plate (6) (10) that " X " shape intersects, and it is looked the side part and fully vertically passes a sectional drawing that (21) generate of looking in the side stay bearing plate, so at Fig. 9, in Figure 10, present a complete omniplance figure (21) depending on the side stay bearing plate, what the offside stay bearing plate presented is part tangent plane (22), looking, to be positioned at polyurethane between offside stay bearing plate (21) (22), outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, the omniplance (20) of the ring-type disc of outer ring (2) (3) diameter of axle.
in Fig. 9, coaxial with polyurethane outer ring (3) and width is identical due to the polyurethane inner ring (2) in the power tire, the width of polyurethane inner ring (2) (length of namely measuring along axis direction) is the width (straight length of namely measuring along axis direction) of facing and equal to be all a polyurethane outer ring (3) of facing directly directly, therefore look, the outer side edges of offside polyurethane stay bearing plate tangent plane (21) (22) becomes respectively all or part of of whole rectangle tangent plane dual-side, described looking, offside polyurethane stay bearing plate (21) (22) be positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, the ring-type disc (20) of outer ring (2) (3) diameter of axle combine and respectively with polyurethane inner ring (2) and polyurethane outer ring (3) combination.
in Figure 10, same due to the polyurethane inner ring (2) in the power tire from polyurethane outer ring (3) is coaxial but width is different, the width of polyurethane inner ring (2) (length of namely measuring along axis direction) is to face directly and less than the width that is all a polyurethane outer ring (3) of facing directly (straight length of namely measuring along axis direction), therefore look, the outer side edges of offside polyurethane stay bearing plate tangent plane (21) (22) becomes respectively all or part of of whole trapezoidal tangent plane two hypotenuses, depending on, nearly wheel rim (1) part of offside stay bearing plate tangent plane (21) (22) is less, described looking, offside polyurethane stay bearing plate (21) (22) be positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, the ring-type disc (20) of outer ring (2) (3) diameter of axle combine and respectively with polyurethane inner ring (2) and polyurethane outer ring (3) combination.
Figure 11, Figure 12 are tangent plane 3 figure (i.e. cross sectional drawing that is arranged on the power tire on wheel rim (1) and does along the tangent line in Fig. 2 (13)) of Fig. 2 tangent line (13) in the power tire of not blowing out of the present invention.As previously mentioned, the radial cross-section of the power of not blowing out tire is rectangular or trapezoidal, so the structural relation in the rectangular or trapezoidal situation for the radial cross-section of power tire of not blowing out set forth of Figure 11, Figure 12.
In Fig. 2, the power tire omniplance figure that does along tangent line (13) sees Figure 11, Figure 12.wherein, on the power tire wheel rim (1) of flanged pin (26), be equipped with by polyurethane inner ring (2), polyurethane outer ring (3) and be positioned at polyurethane, between outer ring (2) (3) and with polyurethane in, outer ring (2) (3) combination by passing the tire center of circle (15) and being positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, ring-type disc (20) both sides of outer ring (2) (3) diameter of axle are the cross sectional drawing of the power tire that tangent plane that " X " shape point of crossing in the stay bearing plate (6) (10) that " X " shape intersects does forms, polyurethane inner ring (2) be arranged on the outside face of wheel rim (1) and be positioned at wheel rim (1) outside face both sides and the flange (26) higher than wheel rim (1) outside face between.because passing the hand cart tyre center of circle (15) and being positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, ring-type disc (20) both sides of outer ring (2) (3) diameter of axle are tangent plane that " X " shape point of crossing in the stay bearing plate (6) (10) that " X " shape intersects does and have partly cut and be positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, the ring-type disc (20) of outer ring (2) (3) diameter of axle and ring-type disc (20) both sides are the polyurethane stay bearing plate (24) (25) that arbitrary group of " X " shape in the stay bearing plate (6) (10) that " X " shape intersects intersected, so Figure 11, looking in Figure 12, offside polyurethane stay bearing plate shows as part tangent plane (24) (25), looking, to be positioned at polyurethane between offside stay bearing plate (24) (25), outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, the omniplance (20) of the ring-type disc of outer ring (2) (3) diameter of axle.
equally, in Figure 11, coaxial with polyurethane outer ring (3) and width is identical because of the polyurethane inner ring (2) in the power tire, the width of polyurethane inner ring (2) (length of namely measuring along axis direction) is the width (straight length of namely measuring along axis direction) of facing and equal to be all a polyurethane outer ring (3) of facing directly directly, therefore each group is positioned at polyurethane, be looking that " X " shape intersects between outer ring (2) (3) in described ring-type disc (20) both sides, the outer side edges of offside polyurethane stay bearing plate tangent plane (24) (25) becomes respectively the part of whole rectangle tangent plane dual-side, described looking, offside polyurethane stay bearing plate (24) (25) be positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, the ring-type disc (20) of outer ring (2) (3) diameter of axle combine and respectively with polyurethane inner ring (2) and polyurethane outer ring (3) combination.
in Figure 12, same because of the polyurethane inner ring (2) in the power tire from polyurethane outer ring (3) is coaxial but width is different, the width of polyurethane inner ring (2) (length of namely measuring along axis direction) is to face directly and less than the width that is all a polyurethane outer ring (3) of facing directly (straight length of namely measuring along axis direction), therefore each group is positioned at polyurethane, be looking that " X " shape intersects between outer ring (2) (3) in described ring-type disc (20) both sides, the outer side edges of offside polyurethane stay bearing plate tangent plane (24) (25) becomes respectively the part of whole trapezoidal tangent plane two hypotenuses, depending on, nearly wheel rim (1) part of offside stay bearing plate tangent plane (24) (25) is less, described looking, offside polyurethane stay bearing plate (24) (25) be positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, the ring-type disc (20) of outer ring (2) (3) diameter of axle combine and respectively with polyurethane inner ring (2) and polyurethane outer ring (3) combination.be looking that " X " shape intersects along described ring-type disc (20) both sides, the extended line of the trapezoidal outer rim in trapezoidal tangent plane both sides that offside polyurethane stay bearing plate tangent plane (24) (25) forms and the radial plane (19) of power tire intersect in the power tire center of circle (15), formed plane included angle 4 (23), its angle is between 10 °-30 °, and along all power of passing tire centers of circle (15) and be positioned at polyurethane, outer ring (2) (3) diameter of axle center line and perpendicular in polyurethane, ring-type disc (20) both sides of outer ring (2) (3) diameter of axle are the radial plane (19) of extended line and power tire of the trapezoidal outer rim in both sides of the trapezoidal diagonal plane of combination (24) (25) that " X " shape point of crossing in the stay bearing plate (6) (10) that " X " shape intersects does, and crossing formed plane included angle 4 (23) angles are identical in the power tire center of circle (15), in most preferred embodiment, the scope of angle 4 (23) is preferably between 20 °-30 °.
Two following embodiments describe preparation and the forming method of the open architecture power tire of not blowing out in detail.
Step 1: open type power tire performed polymer synthetic
Take mean molecular weight and be 2000 polycaprolactone glycol 100 weight portions, mol wt is 1000 PolyTHF 40 weight portions, drops in reactor, is heated to 110-130 ℃, being evacuated to overbottom pressure is 0.67Kpa, remove moisture 2 hours, and be cooled to 60-70 ℃, drop into methyl diphenylene diisocyanate 54.30 weight portions, progressively be warming up to 80 ℃, reacted 2 hours, surveying isocyanate radical content is 5.5%, namely makes open type power tire base polyurethane prepolymer for use as.
Step 2: the preparation of open type power tire
The base polyurethane prepolymer for use as of preparation is moved in the A tank of polyurethane elastomer casting machine, be heated to 80 ℃, be evacuated to overbottom pressure less than 0.67Kpa, deaeration is standby after 30 minutes, chain extender MOCA is placed in the B tank, need 15 parts of chain extenders according to 100 parts of performed polymers, adjust polyurethane elastomer casting machine A, B two component metering pumps in this ratio; Wheel rim is placed in the power placenta of 110 ℃ of preheatings, starts cating machine and pour into a mould, depanning after insulation 90-120min after casting complete, then will pour into a mould good tire and place slaking 24h in the baking oven of 110～130 ℃, namely make polyurethane open type power tire.
Step 1: open type power tire base polyurethane prepolymer for use as synthetic
Take mean molecular weight and be 2000 polybutylene glyool adipate 100 weight portions, mol wt is 1000 PolyTHF 40 weight portions, drops in reactor, be heated to 110-130 ℃, being evacuated to overbottom pressure is 0.67Kpa, removes moisture 2 hours, is cooled to 60-70 ℃, drop into methyl diphenylene diisocyanate 30 weight portions, toluene diisocyanate 16 weight portions progressively are warming up to 80 ℃, react 2 hours, surveying isocyanate radical content is 6.4%, namely makes open type power tire base polyurethane prepolymer for use as.
Step 2: the preparation of open type power tire
The base polyurethane prepolymer for use as of step 1 preparation is moved in the A tank of polyurethane elastomer casting machine, be heated to 80 ℃, be evacuated to overbottom pressure less than 0.67Kpa, deaeration is standby after 30 minutes, chain extender MOCA and crosslinking agent trimethylolpropane are placed in the B tank, wherein the ratio of MOCA and trimethylolpropane is 45: 1, stirs, and makes it to mix.Need 15 parts of chain extenders according to 100 parts of performed polymers, adjust polyurethane elastomer casting machine A, B two component metering pumps in this ratio; Wheel rim is placed in the power placenta of 110 ℃ of preheatings, starts cating machine and pour into a mould, depanning after insulation 90-120min after casting complete, then will pour into a mould good power tire and place slaking 24h in the baking oven of 110～130 ℃, namely make polyurethane open architecture power tire.
Claims (6)
1. the open architecture power tire that can not blow out, described power tire is comprised of the material with elastic buffer character, the inner round portion of being puted forth effort the tire wheel rim by parcel is formed with the outer ring part that contacts with ground, the diameter of axle of inner ring is equal to or less than the diameter of axle of outer ring, therebetween by being positioned at, between the outer ring and be parallel to its axial side-looking of the diameter of axle be down " V " shape stay bearing plate or by be positioned at two wheel rim diameter of axle center lines and perpendicular to the ring-type disc of the two wheel rim diameters of axle and ring-type disc both sides be stay bearing plate that " X " shape intersects or by the power tire center of circle outwards radiation formed at the stay bearing plate between described Internal and external cycle or by the hollow cylinder sidewall between described Internal and external cycle, it is characterized in that: utilize the material with elastic buffer character, between power tire wheel rim and ground, set up a buffering and support belt, can be widely used in making the firmly wheel machine of tire.
2. a kind of open architecture power tire that can not blow out according to claim 1, it is characterized in that: the radial cross-section of described power tire is rectangular or trapezoidal, as be trapezoidal as described in inner round portion less, inner round portion and wheel rim are bonding;
In the situation that the radial cross-section of open type power tire is rectangular, between described two wheel rims and be parallel to the stay bearing plate that its axial side-looking of the diameter of axle is down " V " shape, its " V " clevis angle is between 10 °-120 °; Being positioned at ring-type disc both sides is the every side of stay bearing plate that " X " shape intersects and inner ring binding site and passes the plane included angle that the radius extended line of this point does and be 10 °-60 °;
In the situation that the radial cross-section of open type power tire is trapezoidal, between described two wheel rims and be parallel to the every side outer rim of stay bearing plate and the radial plane that its axial side-looking of the diameter of axle is down " V " shape and be the angle of 10 °-30 °, its " V " clevis angle is between 10 °-120 °; Be positioned at ring-type disc both sides and be the every side outer rim of stay bearing plate and the radial plane that " X " shape intersects and be the angle of 10 °-30 °, be positioned at simultaneously ring-type disc both sides and be the plane included angle that the every side of stay bearing plate and the inner ring binding site that " X " shape intersects and the radius extended line that passes this point do and be 10 °-60 °;
In described open type power tire, be positioned at described two wheel rim diameter of axle center lines and be plane perpendicular to the ring-type disc of the two wheel rim diameters of axle, it is perpendicular to the pivot center of this power tire, and be positioned at the centre of the axial end of described Internal and external cycle circle tube member, each ring-type disc both sides are the stay bearing plate member that " X " shape intersects stretches out vertically from the opposite flank of described ring-type disc member, and stay bearing plate tilts along relative direction simultaneously; In the situation that the radial cross-section of open type power tire is trapezoidal, described stay bearing plate stretches out with 10 ° of-30 ° of angles with respect to radial plane;
In the situation that the radial cross-section of open type power tire is trapezoidal, between described two wheel rims and be parallel to that its axial side-looking of the diameter of axle is down the stay bearing plate of " V " shape or by being positioned at described two wheel rim diameter of axle center lines and being perpendicular to the ring-type disc of the two wheel rim diameters of axle and ring-type disc both sides the stay bearing plate that " X " shape is intersected, constantly open to outer ring curved surface circle tube member from described inner ring circle tube member the both sides of its stay bearing plate member, so that be rendered as a trapezoidal cross-sectional plane in an axial plane.
3. a kind of open architecture power tire that can not blow out according to claim 1, it is characterized in that: described power tire is designed with flange in the both sides outer rim that is positioned at the wheel rim outside face and higher than wheel rim outside face part.
4. a kind of open architecture power tire that can not blow out according to claim 1 is characterized in that: the manufacturing technology of described power tire be two kinds of urethane raws directly cast form.
5. according to claim 1, the described polyurethane open architecture power tire of not blowing out is made by following raw material:
1. oligomer polyol: comprise polyester polyol, polyether glycol, polyolefin polyhydric alcohol etc., between mol wt 500-6000;
2. diisocyanate and polyisocyanates: comprise toluene diisocyanate (TDI), any in '-diphenylmethane diisocyanate (MDI), IPDI (IPDI), naphthalene diisocyanate (NDI), tetramethylbenzene methylene diisocyanate (TMXDI), hexamethylene diisocyanate (HDI), or the combination of at least two kinds, preferred MDI and NDI; Polyisocyanates comprises the tripolymer of TDI, MDI, HDI, lPDI;
3. chain extender comprises diamine and diatomic alcohol two classes, diamine chain extenders comprises 3,3 '-two chloro-4,4 '-diphenylmethanediamiand (MOCA) and hexyl toluene diamine (DETDA), dimethythiotoluene diamine (DMTDA) etc., diatomic alcohol comprises ethylene glycol, propylene glycol, butylene glycols, 1,4-two (2-ethylol) hydroquinones, the 2-methyl isophthalic acid, 3 propylene glycol, N, N-two (2-hydroxypropyl) aniline etc., wherein the diatomic alcohol chain extender only adds seldom amount or inapplicable, preferred MOCA;
4. crosslinking agent comprises trimethylolpropane, triisopropanolamine and glycerine, isocyanuric acid ester etc.;
5. other auxiliary agent comprises pigment, filler, hydrolysis stabilizer etc.;
6. by pigment is directly mixed with polyalcohol, can obtain versicolor polyurethane open architecture power tire.
6. according to claim 1, the described polyurethane open architecture power tire of not blowing out by the production of performed polymer, build and three processes of post curing form:
Performed polymer synthesizes production stage:
1. polyester polyols dehydration of alcohols (carrying out in dehydrating kettle)
After polyester diol or polyether Glycols heat fused, dewater in the corrosion-resistant steel of being with stirring or enamel still, dehydration temperaturre is controlled at 100～140 ℃ (100～110 ℃ of polyethers), under overbottom pressure, (0.67kPa) dehydration 30～60min, make its water content＜0.05% (from visor observable cases of dehydration); For making pot liquid fully degassed, intermittently the start-stop mixing device, after taking out a period of time vacuum, can stop the retort heating, makes material temperature be down to 70～80 ℃;
2. performed polymer synthesizes (carrying out) in reactor
Power tire performance depends on raw MAT'L used and proportioning and processing technology; First select suitable raw MAT'L according to performance requriements, more according to hardness require selected appropriate proportioning and technological condition (as mixing temperature, cast and demould time and slaking condition etc.); For guaranteeing the performed polymer quality, polyester dehydration and performed polymer are synthetic preferably not to carry out in same still, and the performed polymer synthetic reaction is carried out under the drying nitrogen protection; For preventing that reaction is violent, temperature rise is too fast, must have cooling mechanism; Charging sequence is for first adding isocyanates, after add low molecular weight polyols; As react violent, and the low molecular weight polyols graded adds, and makes course of reaction steady, and temperature of reaction is easy to control, and synthetic performed polymer middle reaches divorced cyanate ester monomer content is lower, and structure is more regular; Temperature remains on 80 ± 5 ℃, reaction 1～2h post analysis NCO content; In the control performed polymer, isocyano-content is between 3.5-6.5%;
3. performed polymer is degassed
Can carry out deaeration 30～60min under 85 ± 5 ℃ and overbottom pressure 0.67kPa in the A of performed polymer synthesis reaction vessel or cating machine batch can (depositing the material pot of base polyurethane prepolymer for use as);
Build step:
Add crosslinking agent, chain extender and other auxiliary agent in B batch can (depositing the material pot of crosslinking agent etc.), start the heating system of each component, make A, B material all reach requirement temperature and each self-loopa, the A material can first carry out vacuum degasification as needing, and reaches in performed polymer without bubble; By regulating rotating speed and the discharge capacity of measuring pump, make A, B material meet the requirements of mixture ratio by the formula requirement; Start the cast button, A, B material makes it to mix by mixing at a high speed in the hybrid chamber of pouring head, when the mixture of discharging can not poured into a mould in mould during bubbles in transparent hose; When cast stopped, A, B stoste namely transferred recurrent state separately automatically to, got back to separately in batch can;
Slaking:
Should carry out maturation process before the demoulding of open type power tire in mould, it is not higher as far as possible under the prerequisite of failure that curing temperature can be chosen in its chemical constitution, to accelerate the chain extension-crosslinking reaction, shorten demould time, improve mould and capacity utilization rate, often with 100～120 ℃, 1～24h is advisable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100514301A CN103112315A (en) | 2013-01-26 | 2013-01-26 | Open type structure force tire incapable of being burst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100514301A CN103112315A (en) | 2013-01-26 | 2013-01-26 | Open type structure force tire incapable of being burst |
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| Publication Number | Publication Date |
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| CN103112315A true CN103112315A (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100514301A Pending CN103112315A (en) | 2013-01-26 | 2013-01-26 | Open type structure force tire incapable of being burst |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB796113A (en) * | 1956-02-24 | 1958-06-04 | Up Right Inc | Rubber tire |
| CN86106585A (en) * | 1985-10-16 | 1987-07-15 | 尤尼罗亚尔古德里奇轮胎公司 | The airless tire of band supporting and cushioning members |
| JPH01314603A (en) * | 1988-06-13 | 1989-12-19 | Yokohama Rubber Co Ltd:The | Non-pneumatic type tire |
| JP2006219134A (en) * | 1994-08-19 | 2006-08-24 | Fukuyama Rubber Ind Co Ltd | Non-pneumatic tire for vehicle |
| JP2008055928A (en) * | 2006-08-29 | 2008-03-13 | Yokohama Rubber Co Ltd:The | Non-pneumatic tire |
| CN201240227Y (en) * | 2008-06-06 | 2009-05-20 | 天津港第一港埠有限公司 | High strength solid tire |
| NL2002956C2 (en) * | 2009-06-03 | 2010-12-07 | Vredestein Banden B V | Non-pneumatic tire. |
| CN102350923A (en) * | 2011-07-13 | 2012-02-15 | 深圳市道尔轮胎科技有限公司 | Open-structure tire free of tire burst |
| CN202439505U (en) * | 2011-12-28 | 2012-09-19 | 深圳市道尔轮胎科技有限公司 | Open-structure cycle tire free of tire burst |
| US20120241062A1 (en) * | 2007-03-27 | 2012-09-27 | Resilient Technologies LLC. | Tension-based non-pneumatic tire |
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2013
- 2013-01-26 CN CN2013100514301A patent/CN103112315A/en active Pending
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| GB796113A (en) * | 1956-02-24 | 1958-06-04 | Up Right Inc | Rubber tire |
| CN86106585A (en) * | 1985-10-16 | 1987-07-15 | 尤尼罗亚尔古德里奇轮胎公司 | The airless tire of band supporting and cushioning members |
| JPH01314603A (en) * | 1988-06-13 | 1989-12-19 | Yokohama Rubber Co Ltd:The | Non-pneumatic type tire |
| JP2006219134A (en) * | 1994-08-19 | 2006-08-24 | Fukuyama Rubber Ind Co Ltd | Non-pneumatic tire for vehicle |
| JP2008055928A (en) * | 2006-08-29 | 2008-03-13 | Yokohama Rubber Co Ltd:The | Non-pneumatic tire |
| US20120241062A1 (en) * | 2007-03-27 | 2012-09-27 | Resilient Technologies LLC. | Tension-based non-pneumatic tire |
| CN201240227Y (en) * | 2008-06-06 | 2009-05-20 | 天津港第一港埠有限公司 | High strength solid tire |
| NL2002956C2 (en) * | 2009-06-03 | 2010-12-07 | Vredestein Banden B V | Non-pneumatic tire. |
| CN102350923A (en) * | 2011-07-13 | 2012-02-15 | 深圳市道尔轮胎科技有限公司 | Open-structure tire free of tire burst |
| CN202439505U (en) * | 2011-12-28 | 2012-09-19 | 深圳市道尔轮胎科技有限公司 | Open-structure cycle tire free of tire burst |
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