CN105539018A - Steel disc for truck and bus tires and tire manufactured by using the same - Google Patents
Steel disc for truck and bus tires and tire manufactured by using the same Download PDFInfo
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- CN105539018A CN105539018A CN201510971166.2A CN201510971166A CN105539018A CN 105539018 A CN105539018 A CN 105539018A CN 201510971166 A CN201510971166 A CN 201510971166A CN 105539018 A CN105539018 A CN 105539018A
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- steel disc
- groove
- dimensional
- sidepiece
- pattern block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/14—Anti-skid inserts, e.g. vulcanised into the tread band
- B60C11/16—Anti-skid inserts, e.g. vulcanised into the tread band of plug form, e.g. made from metal, textile
- B60C11/1625—Arrangements thereof in the tread patterns, e.g. irregular
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C2200/00—Tyres specially adapted for particular applications
- B60C2200/04—Tyres specially adapted for particular applications for road vehicles, e.g. passenger cars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
A steel disc for truck and bus tires is integrally a three-dimensional design, which is reflected in a three-dimensional space of length, width and thickness; the steel disc is designed as wavy curved planes in both two vertical directions of a length direction and a width direction of the steel disc; in the width direction, the wavy curved plane extends to a position which is 2-5 mm from the edge of the steel disc; in the length direction, the wavy curved plane is arranged at a middle part and accounts for 70-95 % of the whole length; two end parts of the steel disc are designed as planes; in the length direction of the steel disc, each part is designed with unequal length; and in the width direction of the steel disc, each part is designed with unequal width. In a tire tread manufactured by using the steel disc, a plurality of three-dimensional grooves, which are manufactured by using the steel disc as a mold, are formed in each side pattern block and each should pattern block; and angles between the three-dimensional grooves and the central line of the tire tread are 35-90 DEG. According to the invention, as the snow coefficient of a tire manufactured by using the steel disc is 1.25-2.43, excellent braking and driving performances of the truck and bus tires on ice snow covered pavements or snow slush pavements are ensured.
Description
Technical field
The present invention relates to the card passenger tyre for ice and snow or slush road surface, the pattern structure on tire tread being specifically related to a kind of steel disc and using this steel disc to manufacture.
Background technology
Because tire and ground friction coefficient reduce, very easily there is the problems such as skidding, stopping distance increase when ice and snow or slush road traveling in the common all-steel load-bearing radial tire that card passenger vehicle uses, larger on the safety traffic impact of vehicle.The non-skid feature that current card passenger tyre uses on ice and snow or slush road surface mostly is and is wound around anti-slipping chain at surface of tyre or on road surface, places straw mattress, shed Snow Agent, Nacl etc., not only comparatively large to damaged tyres but also waste time and energy, have greater environmental impacts.The traveling of vehicle provides driving mainly through the friction between tire and ground, braking ensures.The use of three-dimensional steel disc in addition, can increase the occlusion between pattern block, prevents pattern block from wriggling, and reduces shoulder eccentric wear.How to increase the driving of vehicle on ice and snow or slush road surface, braking force is departure point of the present invention.
Summary of the invention
For the problems referred to above, the present invention aims to provide a kind of three-dimensional steel disc, this three-dimensional steel disc is applied in tire preparation, obtains antiskid capability is excellent, avoid skidding and manipulating instability ice and snow or slush road surface tire protector, substitute the use of anti-slipping chain, straw-mattress of antiskid, Snow Agent etc.
A steel disc for card passenger tyre, entirety is three-dimensional design, is embodied on the three dimensional space of length, width and thickness; The length and width two mutually perpendicular directions of steel disc all present waveform curved design, in the direction of the width, waveform curved surface extends to the position of distance steel disc edge 2 ~ 5mm, in the longitudinal direction, waveform curved surface is arranged on middle part, the ratio accounting for whole length is 70% ~ 95%, and two-end part is planar design; The length direction of steel disc being everywhere isometric or Length discrepancy design, the Width of steel disc is everywhere wide or not wide design.
Bulk pattern block can divide and is cut to fritter by the undulated design on length and width direction, reduces tyre surface rigidity, increases tire and the area of contact on ground, makes tire prevent skidding at ice and snow or slush road surface; Simultaneously carry out driving at vehicle, dispersion pattern block in the same direction stressed when braking.On Width, waveform extends to the position of distance steel disc edge 2 ~ 5mm, and on length direction, waveform is only distributed in centre, is beneficial to Mould Machining, effectively prevents the distortion in steel disc use procedure and is convenient to install, and being convenient to the maintenance of later stage three-dimensional steel disc.
Preferred Length discrepancy, not wide design on length and width degree direction, be beneficial to the tire used later stage wear up to certain groove degree of depth after steel disc excellent driving, braking force still can be provided, the heat radiation of tire tread block can be improved simultaneously.
Steel disc in the longitudinal direction be designed to Length discrepancy time, longer long limit is Curve Design, and shorter long limit is linear design.Shorter long limit and two broadsides are fixed on mould by steel disc in use, three-dimensional groove is formed in tread block, the shape of two broadsides of steel disc and angle is consistent with groove furrow bank or be 0-50 ° of angle with groove furrow bank, is beneficial to the Mould Machining of three-dimensional steel disc, installation; And the design that top is longer than in bottom is beneficial to steel disc break away from moulds and be beneficial to bottom steel disc and install when extracting mould.
Steel disc in the longitudinal direction be designed to isometric time, be arranged on the centre of pattern block, be beneficial to sulfuration rear mold and tire departs from.Each corrugated size on same direction and different directions can be identical, also can be different.The form of wave is that between two intersecting straight lines, reciprocal radius is the fillet of R (R=0 ~ 4mm), rounded top portion is h (h=1 ~ 4mm) apart from distance between center line, length direction has 5 ~ 20 chamferings, and Width looks degree of depth difference, and chamfering is not at 3 ~ 15 etc.
Preferably, steel disc length is 10 ~ 65mm, and the size according to pattern block is selected; Width is 30% ~ 100% of the tread void degree of depth, and the degree of depth according to groove is selected; Thickness is 0.4 ~ 1.0mm.The selection of this size not only can control pattern block size, ensureing also can to improve when providing enough driving, deceleration and stopping performance the heat radiation of tire pattern block in motion, reduces because heat concentrates the damaged tyres caused.
Preferably, steel disc left and right two parts in the longitudinal direction for axle is symmetrical mutually with their center line, is not only beneficial to the installation of steel disc but also reduces the tooling cost of steel disc, and symmetric design promotes tire appearance simultaneously also has certain effect.
A kind of tire protector using above-mentioned steel disc to manufacture, comprise central longitudinal along tire protector circumferencial direction to groove, central longitudinal arranges sidepiece pattern block to groove both sides, the arranged outside shoulder lug of sidepiece pattern block, with sidepiece circumferential pattern ditch interval between sidepiece pattern block and shoulder lug, with sidepiece cross groove interval between longitudinally adjacent sidepiece pattern block, with shoulder cross groove interval between longitudinally adjacent shoulder lug; Every block sidepiece pattern block and shoulder lug are provided with the three-dimensional groove that several are Making mold by above-mentioned steel disc, described three-dimensional groove along tire protector normal direction or with normal at an angle direction on be waveform curved surface, direction vertical is with it similarly waveform curved surface, and the angle of three-dimensional groove and circumferential line is 35 ~ 90 °.
The degree of depth of described three-dimensional groove diverse location can be identical, also can be different.Preferred depth is different, is beneficial to and reduces tire tread block wriggling in use, reduces heat-dissipating.
Described three-dimensional groove is both ends open formula, and namely the two ends of three-dimensional groove on pattern block are that the groove be adjacent is communicated with, and under guarantee driving, braking prerequisite, are beneficial to tire and discharge ice and snow when ice and snow or slush pavement usage.
Described three-dimensional groove is two ends is closed, the i.e. midway location of three-dimensional groove only on pattern block, the groove be adjacent does not contact, under guarantee driving, braking prerequisite, be beneficial to tire ice and snow when ice and snow or slush pavement usage and embed tyre surface, destroy ice and snow face.
Three-dimensional groove number on described every block sidepiece pattern block and shoulder lug is 1 ~ 10, is equidistant or unequally distributed blades between three-dimensional groove.
Between three-dimensional groove on same pattern block, the degree of depth is different, also can be identical.Preferred depth is different, and this design can make tire all can provide on ice and snow and slush road surface period in difference wearing and tearing good driving, deceleration and stopping performance preferably, and is beneficial to pattern block heat radiation.
Central longitudinal is identical to the degree of depth of groove, sidepiece circumferential pattern ditch, sidepiece cross groove, and without reinforced rib or reinforced rib height on the low side, tire tread block is relatively soft, effectively can increase the drag distance of vehicle.
Between two longitudinal adjacent shoulder lug, reinforced rib is set, can prevents tire from use deforming, reduce eccentric wear, add vehicle manipulation stability in the process of moving.
The invention has the beneficial effects as follows:
Unique design 3 D stereo steel disc, coordinates tire production mould to use, and tire produces structure-rich, large degree of saturation specific humidity, unique fragmented driving decorative pattern.One is ensured, under the prerequisite that large degree of saturation specific humidity is constant, to make the pattern block of tire less by original block-type tread; Two is that the use of three-dimensional steel disc can increase tire destruction to ice face or snowfield on ice and snow or slush road surface, increases the braking of tire on ice and snow or slush road surface, startup, driveability, prevents from skidding.Solve the problem such as skidding, stopping distance increase, manipulation instability occurred when card passenger tyre uses on ice and snow or slush road surface, ensure that the braking of tire on ice and snow or slush road surface, driveability.The tire adopting steel disc of the present invention to produce can reduce the damage of anti-slipping chain road pavement, reduces the use of Snow Agent, Nacl simultaneously, reduces the pollution to environment.The present invention now takes charge of ripe application and checking through the external snowfield market such as the U.S., Canada, Norway at me, can place in operation immediately.According to European snowfield test request, tire test coefficient >=1.25 when carrying out snowfield test are considered as by test, show (snowfield coefficient is 1.25 ~ 2.43) the snowfield performance test data of tire according to being sent to domestic and Finland's mechanism for testing, the relevant decorative pattern of the three-dimensional steel disc adopted in the application is all tested by snowfield.
Accompanying drawing explanation
The internal view of Fig. 13 D stereo steel disc of the present invention;
The birds-eye view (length direction) of Fig. 23 D stereo steel disc of the present invention, wherein R1 represents the radius of rounding between two intersecting straight lines, and h1 represents the distance of rounded top portion apart from line of centers;
The left view (Width) of Fig. 33 D stereo steel disc of the present invention, wherein R2 represents the radius of rounding between two intersecting straight lines, and h2 represents the distance of rounded top portion apart from line of centers;
Fig. 4 embodiment 2 tire tread structure schematic diagram;
Fig. 5 embodiment 3 tire tread structure schematic diagram;
Fig. 6 embodiment 4 tire tread structure schematic diagram;
Fig. 7 embodiment 5 tire tread structure schematic diagram;
Fig. 8 embodiment 6 tire tread structure schematic diagram;
In figure, 1 ~ long limit I; 2 ~ Width waveform curved surface; 3 ~ length direction waveform curved surface; 4 ~ broadside I; 6 ~ broadside II; 7 ~ long limit II; 8 ~ shoulder cross groove; 9 ~ groove; 10 ~ sidepiece circumferential pattern ditch; 11 ~ central longitudinal is to groove; 12 ~ sidepiece cross groove; 13 ~ three-dimensional groove; 14 ~ wearing and tearing mark; 15 ~ center line; 16 ~ shoulder lug; 17 ~ sidepiece pattern block; 18 ~ reinforced rib; 19 ~ inside portion pattern block; 20 ~ middle sidepiece pattern block; 21 ~ outside portion pattern block; 22 ~ inside portion circumferential pattern ditch; 23 ~ middle sidepiece circumferential pattern ditch; 24 ~ outside portion circumferential pattern ditch; 25 ~ inside portion cross groove; 26 ~ middle sidepiece cross groove; 27 ~ outside portion cross groove.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in further details.
Embodiment 1
The steel disc of card passenger tyre as shown in Figures 1 to 3, entirety is three-dimensional design, is embodied on the three dimensional space of length, width and thickness; The length and width two mutually perpendicular directions of steel disc all present waveform curved design, in the same direction each corrugated measure-alike, in the direction of the width, waveform curved surface 2 extends to the position of distance steel disc edge 3mm, in the longitudinal direction, waveform curved surface 3 is arranged on middle part, and the ratio accounting for whole length is 90%, and two-end part is planar design.
The length direction of steel disc is everywhere isometric or Length discrepancy design, steel disc as shown in Figure 1, top is a bit of is isometric design, and lower section designs for Length discrepancy.Straight-line distance between long limit II7 two end points is longer than long limit I1; Shape and the angle of broadside I4 and broadside II6 are consistent with groove furrow bank; Steel disc left and right two parts are in the longitudinal direction that axle is symmetrical mutually with their center line 15, and the lower section of broadside I4 and broadside II6 is similar to two waists of isosceles trapezoid.
It the Width of steel disc is everywhere wide or not wide design, embody in FIG, the long limit I1 of visible steel disc is straight line, long limit II7 is wave curve, the design of long limit II7 adopts the mode of first drawing straight line and right angle rounding again, and rounding radii is 0.5 ~ 2mm, can effectively prevent from occurring the problem of tearing in tire used process, increase the interlocking between pattern block, to the eccentric wear of tire, there is certain prevention.
The length of steel disc is 55mm, and width is 10 ~ 18mm, and thickness is 0.4 ~ 0.7mm.
Embodiment 2
The steel disc of embodiment 1 is fixed on mould to produce the tire with three-dimensional groove 13 on tyre surface, steel disc fixing by be placed on by the three-dimensional steel disc machined in advance on the mould that machines early stage in corresponding groove and fixing, is fixed on long limit I1, broadside I4 and broadside II6 on mould time fixing.Steel disc length changes with pattern block size, and different groove degree of depth steel disc width is different, but many at 10 ~ 18mm.Manufactured by the tire tread structure that obtains as shown in Figure 4, comprise central longitudinal along tire protector circumferencial direction to groove 11, central longitudinal arranges sidepiece pattern block 17 to groove 11 both sides, the arranged outside shoulder lug 16 of sidepiece pattern block 17, with sidepiece circumferential pattern ditch 10 interval between sidepiece pattern block 17 and shoulder lug 16, with sidepiece cross groove 12 interval between longitudinally adjacent sidepiece pattern block 17, with shoulder cross groove 8 interval between longitudinally adjacent shoulder lug 16.
Sidepiece pattern block 17 is hexagonal pattern block, and three-dimensional groove 13 quantity on every block sidepiece pattern block 17 is 3, is equally spaced; Shoulder lug 16 is heptagon pattern block, and three-dimensional groove 13 quantity on every block shoulder lug 16 is 2; The wave of each three-dimensional groove 13 is measure-alike.Central longitudinal is centrosymmetric mutually to the sidepiece pattern block 17 of groove 11 both sides, and center of symmetry is positioned on circumferential line; Central longitudinal is centrosymmetric mutually to the shoulder lug 16 of groove 11 both sides, and center of symmetry is positioned on circumferential line.Be staggered between laterally adjacent pattern block.The area of shoulder lug 16 is greater than the area of sidepiece pattern block 17.
Three-dimensional groove 13 is waveform curved surface along tire protector normal direction, and direction vertical is with it similarly waveform curved surface, and three-dimensional groove 13 is 35 ~ 90 ° with the angle of circumferential line.
Three-dimensional groove 13 is both ends open formula, and namely the three-dimensional two ends of groove 13 on pattern block are that the groove be adjacent is communicated with.
In the outside of shoulder lug 16, three-dimensional groove 13 place is provided with groove 9, and the width of described groove 9 is wider than three-dimensional groove 13.
Between three-dimensional groove 13 on same pattern block, the degree of depth is different, and the degree of depth of same three-dimensional groove 13 diverse location is also different.The depth range of three-dimensional groove 13 at 4 ~ 24mm, length is 8 ~ 25mm, and thickness is 0.4 ~ 0.8mm.
Central longitudinal is broken line shape to groove 11, sidepiece circumferential pattern ditch 10, is 10 ~ 25 ° with the angle of circumferential line.
Sidepiece cross groove 12 and shoulder cross groove 8 are 60 ~ 80 ° with the angle of circumferential line.
Central longitudinal is 8 ~ 25mm to the degree of depth of groove 11, sidepiece circumferential pattern ditch 10, sidepiece cross groove 12 and shoulder cross groove 8, and width is 10 ~ 20mm.
Central longitudinal is provided with wearing and tearing mark 14 in groove 11.
Between two adjacent shoulder lug 16, reinforced rib 18 is set, can prevents tire from use deforming, reduce eccentric wear.
Carried out snowfield performance testing to obtained tire, snowfield coefficient is 1.63.
Embodiment 3
The steel disc of embodiment 1 is fixed on mould to produce the tire with three-dimensional groove 13 on tyre surface, steel disc fixing by be placed on by the three-dimensional steel disc machined in advance on the mould that machines early stage in corresponding groove and fixing, is fixed on long limit I1, broadside I4 and broadside II6 on mould time fixing.Steel disc length changes with pattern block size, and different groove degree of depth steel disc width is different, but many at 10 ~ 18mm.Manufactured by the tire tread structure that obtains as shown in Figure 5, comprise central longitudinal along tire protector circumferencial direction to groove 11, central longitudinal arranges two row sidepiece pattern blocks 17 to groove 11 both sides, with sidepiece circumferential pattern ditch 10 interval between two row sidepiece pattern blocks 17, the arranged outside shoulder lug 16 of sidepiece pattern block 17, with sidepiece circumferential pattern ditch 10 interval between sidepiece pattern block 17 and shoulder lug 16, with sidepiece cross groove 12 interval between longitudinally adjacent sidepiece pattern block 17, with shoulder cross groove 8 interval between longitudinally adjacent shoulder lug 16.
Sidepiece pattern block 17 is ten hexagonal pattern blocks, and three-dimensional groove 13 quantity on every block sidepiece pattern block 17 is 3, is equally spaced; Shoulder lug 16 is hendecagon pattern block, and three-dimensional groove 13 quantity on every block shoulder lug 16 is also 3, is equally spaced; The wave of each three-dimensional groove 13 is measure-alike.Be staggered between laterally adjacent pattern block.
Three-dimensional groove 13 is waveform curved surface along tire protector normal direction, and direction vertical is with it similarly waveform curved surface, and three-dimensional groove 13 is 40 ~ 70 ° with the angle of circumferential line.
Three-dimensional groove 13 is both ends open formula, and namely the three-dimensional two ends of groove 13 on pattern block are that the groove be adjacent is communicated with.
In the outside of shoulder lug 16, three-dimensional groove 13 place is provided with groove 9, and the width of described groove 9 is wider than three-dimensional groove 13.
Between three-dimensional groove 13 on same pattern block, the degree of depth is different, and the degree of depth of same three-dimensional groove 13 diverse location is also different.The depth range of three-dimensional groove 13 is at 4 ~ 24mm, and length is 8 ~ 25mm, and thickness is 0.5 ~ 1.0mm.
Central longitudinal is broken line shape to groove 11, sidepiece circumferential pattern ditch 10, is 0 ~ 30 ° with the angle of circumferential line.
Sidepiece cross groove 12 and shoulder cross groove 8 are 60 ~ 80 ° with the angle of circumferential line.
Central longitudinal is 8 ~ 25mm to the degree of depth of groove 11, sidepiece circumferential pattern ditch 10, sidepiece cross groove 12 and shoulder cross groove 8, and width is 6 ~ 15mm.
Carried out snowfield performance testing to obtained tire, snowfield coefficient is 1.66.
Embodiment 4
The steel disc of embodiment 1 is fixed on mould to produce the tire with three-dimensional groove 13 on tyre surface, steel disc fixing by be placed on by the three-dimensional steel disc machined in advance on the mould that machines early stage in corresponding groove and fixing, is fixed on long limit I1, broadside I4 and broadside II6 on mould time fixing.Steel disc length changes with pattern block size, and different groove degree of depth steel disc width is different, but many at 10 ~ 18mm.Manufactured by the tire tread structure that obtains as shown in Figure 6, comprise central longitudinal along tire protector circumferencial direction to groove 11, central longitudinal arranges two row sidepiece pattern blocks 17 to groove 11 both sides, with sidepiece circumferential pattern ditch 10 interval between two row sidepiece pattern blocks 17, the arranged outside shoulder lug 16 of sidepiece pattern block 17, with sidepiece circumferential pattern ditch 10 interval between sidepiece pattern block 17 and shoulder lug 16, with sidepiece cross groove 12 interval between longitudinally adjacent sidepiece pattern block 17, with shoulder cross groove 8 interval between longitudinally adjacent shoulder lug 16.
Sidepiece pattern block 17 and shoulder lug 16 are the pentagon pattern block of comparable size, three-dimensional groove 13 quantity on every block sidepiece pattern block 17 and shoulder lug 16 is 3, be equally spaced, the wave size being positioned at middle three-dimensional groove 13 is greater than the three-dimensional groove 13 on its both sides, and three-dimensional groove 13 is 54 ~ 64 ° with the angle of circumferential line.Central longitudinal is centrosymmetric mutually to the sidepiece pattern block 17 of groove 11 both sides, and center of symmetry is positioned on circumferential line; Central longitudinal is centrosymmetric mutually to the shoulder lug 16 of groove 11 both sides, and center of symmetry is positioned on circumferential line.Be staggered between laterally adjacent pattern block.
Three-dimensional groove 13 is waveform curved surface along tire protector normal direction, and direction vertical is with it similarly waveform curved surface.
Three-dimensional groove 13 is both ends open formula, and namely the three-dimensional two ends of groove 13 on pattern block are that the groove be adjacent is communicated with.
Between three-dimensional groove 13 on same pattern block, the degree of depth is different, and the degree of depth of same three-dimensional groove 13 diverse location is also different.Depth range 4 ~ the 24mm of three-dimensional groove 13, length is 8 ~ 25mm, and thickness is 0.4 ~ 0.8mm.
Central longitudinal is broken line shape to groove 11 and the sidepiece circumferential pattern ditch 10 adjacent with shoulder lug 16, and be 0 ~ 10 ° with the angle of circumferential line, the sidepiece circumferential pattern ditch 10 between two row sidepiece pattern blocks 17 is rectilinear form.
Sidepiece cross groove 12 and shoulder cross groove 8 are 50 ~ 70 ° with the angle of circumferential line.
Central longitudinal is 8 ~ 25mm to the degree of depth of groove 11, sidepiece circumferential pattern ditch 10, sidepiece cross groove 12 and shoulder cross groove 8, and width is 6 ~ 20mm.
One end of sidepiece cross groove 12 extends to the inside of sidepiece pattern block 17 through the longest edge of pentagon pattern block, extends to inner part and is connected with one end of three-dimensional groove 13.
Between two adjacent shoulder lug 16, reinforced rib 18 is set.
Carried out snowfield performance testing to obtained tire, snowfield coefficient is 2.43.
Embodiment 5
The steel disc of embodiment 1 is fixed on mould to produce the tire with three-dimensional groove 13 on tyre surface, steel disc fixing by be placed on by the three-dimensional steel disc machined in advance on the mould that machines early stage in corresponding groove and fixing, is fixed on long limit I1, broadside I4 and broadside II6 on mould time fixing.Steel disc length changes with pattern block size, and different groove degree of depth steel disc width is different, but many at 10 ~ 18mm.Manufactured by the tire tread structure that obtains as shown in Figure 7, comprise central longitudinal along tire protector circumferencial direction to groove 11, central longitudinal outwards sets gradually inside portion pattern block 19 to groove 11 both sides, middle sidepiece pattern block 20, outside portion pattern block 21, shoulder lug 16, inside portion pattern block 19, middle sidepiece pattern block 20, outside portion pattern block 21, successively by inside portion circumferential pattern ditch 22 between shoulder lug 16, middle sidepiece circumferential pattern ditch 23 and circumferential pattern ditch 24 interval, outside portion, with inside portion cross groove 25 interval between longitudinally adjacent inside portion pattern block 19, with middle sidepiece cross groove 26 interval between longitudinally adjacent middle sidepiece pattern block 20, with outside portion cross groove 27 interval between longitudinally adjacent outside portion pattern block 21, with shoulder cross groove 8 interval between longitudinally adjacent shoulder lug 16.
The shape of inside portion pattern block 19, middle sidepiece pattern block 20, outside portion pattern block 21, shoulder lug 16 is all close to oblong.Three-dimensional groove 13 quantity on inside portion pattern block 19 is 8, unequally distributed blades; Three-dimensional groove 13 quantity on middle sidepiece pattern block 20 is 8, unequally distributed blades; Three-dimensional groove 13 quantity on outside portion pattern block 21 is 6, is equally spaced.Three-dimensional groove 13 is 35 ~ 90 ° with the angle of circumferential line, and the three-dimensional groove 13 wave size of inside portion pattern block 19 is maximum, is secondly outside portion pattern block 21, middle sidepiece pattern block 20 minimum.Central longitudinal is centrosymmetric mutually to the inside portion pattern block 19 of groove 11 both sides, and center of symmetry is positioned on circumferential line; Central longitudinal is centrosymmetric mutually to sidepiece pattern block 20 in groove 11 both sides, and center of symmetry is positioned on circumferential line; Central longitudinal is centrosymmetric mutually to the outside portion pattern block 21 of groove 11 both sides, and center of symmetry is positioned on circumferential line; Central longitudinal is centrosymmetric mutually to the shoulder lug 16 of groove 11 both sides, and center of symmetry is positioned on circumferential line.Be staggered between laterally adjacent pattern block.
Three-dimensional groove 13 is waveform curved surface along tire protector normal direction, and direction vertical is with it similarly waveform curved surface.
Three-dimensional groove 13 is both ends open formula, and namely the three-dimensional two ends of groove 13 on pattern block are that the groove be adjacent is communicated with.
Between three-dimensional groove 13 on same pattern block, the degree of depth is different, and the degree of depth of same three-dimensional groove 13 diverse location is also different.The depth range of three-dimensional groove 13 is at 4 ~ 20mm, and length is 8 ~ 25mm, and thickness is 0.5 ~ 0.8mm.
Inside portion circumferential pattern ditch 22, middle sidepiece circumferential pattern ditch 23 and outside portion circumferential pattern ditch 24 are broken line shape, are 0 ~ 20 ° with the angle of circumferential line.
Inside portion cross groove 25, middle sidepiece cross groove 26, outside portion cross groove 27 are respectively 75 ~ 95 °, 75 ~ 95 °, 75 ~ 95 ° with the angle of circumferential line.
Central longitudinal is 8 ~ 21mm to the degree of depth of groove 11, inside portion circumferential pattern ditch 22, middle sidepiece circumferential pattern ditch 23, outside portion circumferential pattern ditch 24, inside portion cross groove 25, middle sidepiece cross groove 26, outside portion cross groove 27, and width is 7 ~ 15mm.
Between two adjacent outside portion pattern blocks 21, between two adjacent shoulder lug 16, reinforced rib 18 is set.
Shoulder lug 16 is arranged 3 circular holes be arranged in a linear, to increase the grasp property of snowfield of shoulder.
Carried out snowfield performance testing to obtained tire, snowfield coefficient is 1.26.
Embodiment 6
The steel disc of embodiment 1 is fixed on mould to produce the tire with three-dimensional groove 13 on tyre surface, steel disc fixing by be placed on by the three-dimensional steel disc machined in advance on the mould that machines early stage in corresponding groove and fixing, is fixed on long limit I1, broadside I4 and broadside II6 on mould time fixing.Steel disc length changes with pattern block size, and different groove degree of depth steel disc width is different, but many at 10 ~ 18mm.Manufactured by the tire tread structure that obtains as shown in Figure 8, comprise central longitudinal along tire protector circumferencial direction to groove 11, central longitudinal arranges two row sidepiece pattern blocks 17 to groove 11 both sides, with sidepiece circumferential pattern ditch 10 interval between two row sidepiece pattern blocks 17, the arranged outside shoulder lug 16 of sidepiece pattern block 17, with sidepiece circumferential pattern ditch 10 interval between sidepiece pattern block 17 and shoulder lug 16, with sidepiece cross groove 12 interval between longitudinally adjacent sidepiece pattern block 17, with shoulder cross groove 8 interval between longitudinally adjacent shoulder lug 16.
Sidepiece pattern block 17 is heptagon pattern block, and overall in L-type, three-dimensional groove 13 quantity on every block sidepiece pattern block 17 is 3, is equally spaced; Shoulder lug 16 is heptagon pattern block, and overall in broken line type, three-dimensional groove 13 quantity on every block shoulder lug 16 is 1.Three-dimensional groove 13 wave size on sidepiece pattern block 17 is less than shoulder lug 16, and three-dimensional groove 13 is 50 ~ 90 ° with the angle of circumferential line.Central longitudinal is centrosymmetric mutually to the sidepiece pattern block 17 of groove 11 both sides, and center of symmetry is positioned on circumferential line; Central longitudinal is centrosymmetric mutually to the shoulder lug 16 of groove 11 both sides, and center of symmetry is positioned on circumferential line.Be staggered between laterally adjacent pattern block.
Three-dimensional groove 13 is waveform curved surface along tire protector normal direction, and direction vertical is with it similarly waveform curved surface.
Three-dimensional groove 13 is both ends open formula, and namely the three-dimensional two ends of groove 13 on pattern block are that the groove be adjacent is communicated with.
Between three-dimensional groove 13 on same pattern block, the degree of depth is different, and the degree of depth of same three-dimensional groove 13 diverse location is also different.The depth range of three-dimensional groove 13 is at 2.5 ~ 24mm, and length is 8 ~ 25mm, and thickness is 0.5 ~ 1.0mm.
Central longitudinal is broken line shape to groove 11, sidepiece circumferential pattern ditch 10, is 0 ~ 10 ° with the angle of circumferential line.
Sidepiece cross groove 12 and shoulder cross groove 8 are 60 ~ 80 ° with the angle of circumferential line.
Central longitudinal is 5 ~ 30mm to the degree of depth of groove 11, sidepiece circumferential pattern ditch 10, sidepiece cross groove 12 and shoulder cross groove 8, and width is 10 ~ 20mm.
Between two longitudinal adjacent sidepiece pattern blocks 17, reinforced rib 18 is set.
Carried out snowfield performance testing to obtained tire, snowfield coefficient is 2.25.
Claims (10)
1. a steel disc for card passenger tyre, is characterized in that, entirety is three-dimensional design, is embodied on the three dimensional space of length, width and thickness; The length and width two mutually perpendicular directions of steel disc all present waveform curved design, in the direction of the width, waveform curved surface extends to the position of distance steel disc edge 2 ~ 5mm, in the longitudinal direction, waveform curved surface is arranged on middle part, the ratio accounting for whole length is 70% ~ 95%, and two-end part is planar design; The length direction of steel disc being everywhere isometric or Length discrepancy design, the Width of steel disc is everywhere wide or not wide design.
2. the steel disc of card passenger tyre according to claim 1, is characterized in that, steel disc in the longitudinal direction be designed to Length discrepancy, longer long limit is Curve Design, and shorter long limit is linear design; Shorter long limit and two broadsides are fixed on mould by steel disc in use, form three-dimensional groove in tread block, the shape of two broadsides of steel disc and angle is consistent with groove furrow bank or be 0-50 ° of angle with groove furrow bank.
3. the steel disc of card passenger tyre according to claim 1 and 2, it is characterized in that, each corrugated measure-alike or different on same direction and different directions, the form of wave is that between two intersecting straight lines, reciprocal radius is the fillet of R=0 ~ 4mm, rounded top portion is h=1 ~ 4mm apart from distance between center line, length direction has 3 ~ 20 chamferings, and Width looks degree of depth difference, and chamfering is not at 3 ~ 15 etc.
4. the steel disc of card passenger tyre according to claim 1 and 2, is characterized in that, steel disc length is 10 ~ 65mm, and width is 30% ~ 100% of the tread void degree of depth, and thickness is 0.4 ~ 1.0mm.
5. the tire protector using the arbitrary described steel disc of claim 1 ~ 4 to manufacture, it is characterized in that, comprise central longitudinal along tire protector circumferencial direction to groove, central longitudinal arranges sidepiece pattern block to groove both sides, the arranged outside shoulder lug of sidepiece pattern block, with sidepiece circumferential pattern ditch interval between sidepiece pattern block and shoulder lug, with sidepiece cross groove interval between longitudinally adjacent sidepiece pattern block, with shoulder cross groove interval between longitudinally adjacent shoulder lug; Every block sidepiece pattern block and shoulder lug are provided with the three-dimensional groove that several are Making mold by above-mentioned steel disc, described three-dimensional groove is waveform curved surface along tire protector normal direction on certain angle, direction vertical is with it similarly waveform curved surface, and the angle of three-dimensional groove and tyre surface circumferencial direction line of centers is 35 ~ 90 °.
6. the tire protector of steel disc manufacture according to claim 5, is characterized in that, the degree of depth of described three-dimensional groove diverse location is different, and between the three-dimensional groove on same pattern block, the degree of depth is also different.
7. the tire protector that the steel disc according to claim 5 or 6 manufactures, it is characterized in that, described three-dimensional groove is both ends open formula, and namely the two ends of three-dimensional groove on pattern block are that the groove be adjacent is communicated with.
8. the tire protector that the steel disc according to claim 5 or 6 manufactures, it is characterized in that, described three-dimensional groove is closed at both ends formula, i.e. the midway location of three-dimensional groove only on pattern block, and the groove be adjacent does not contact.
9. the tire protector that steel disc according to claim 5 or 6 manufactures, is characterized in that, the three-dimensional groove number on described every block sidepiece pattern block and shoulder lug is 1 ~ 10, be equidistantly or unequally distributed blades between three-dimensional groove.
10. the tire protector that the steel disc according to claim 5 or 6 manufactures, it is characterized in that, central longitudinal is identical to the degree of depth of groove, sidepiece circumferential pattern ditch, sidepiece cross groove, and without reinforced rib; Between two longitudinal adjacent shoulder lug, reinforced rib is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971166.2A CN105539018A (en) | 2015-12-22 | 2015-12-22 | Steel disc for truck and bus tires and tire manufactured by using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971166.2A CN105539018A (en) | 2015-12-22 | 2015-12-22 | Steel disc for truck and bus tires and tire manufactured by using the same |
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| Publication Number | Publication Date |
|---|---|
| CN105539018A true CN105539018A (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510971166.2A Pending CN105539018A (en) | 2015-12-22 | 2015-12-22 | Steel disc for truck and bus tires and tire manufactured by using the same |
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| CN (1) | CN105539018A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105835267A (en) * | 2016-05-19 | 2016-08-10 | 青岛双星轮胎工业有限公司 | 3D steel sheet for tire tread patterns |
| CN106739836A (en) * | 2016-12-19 | 2017-05-31 | 赛轮金宇集团股份有限公司 | 3D steel discs and electric automobile tire |
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| CN105835267A (en) * | 2016-05-19 | 2016-08-10 | 青岛双星轮胎工业有限公司 | 3D steel sheet for tire tread patterns |
| CN106739836A (en) * | 2016-12-19 | 2017-05-31 | 赛轮金宇集团股份有限公司 | 3D steel discs and electric automobile tire |
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