CN104972841A - Pneumatic tyre tread with pre-abrasion tool grooves - Google Patents
Pneumatic tyre tread with pre-abrasion tool grooves Download PDFInfo
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- CN104972841A CN104972841A CN201510430162.3A CN201510430162A CN104972841A CN 104972841 A CN104972841 A CN 104972841A CN 201510430162 A CN201510430162 A CN 201510430162A CN 104972841 A CN104972841 A CN 104972841A
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- wearing
- cutter groove
- tearing
- tyre tread
- abrasion
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Abstract
The invention relates to a tyre tread structure for experiments, in particular to a pneumatic tyre tread with pre-abrasion tool grooves. The pneumatic tyre tread with the pre-abrasion tool grooves structurally comprises a tyre tread body. At least two tread grooves are formed in the tyre tread body in the circumferential direction. Circumferential belts are formed on the tyre tread body and located between the tread grooves. The circumferential belts are provided with pre-abrasion block bodies. The pre-abrasion block bodies are formed through division of the tool grooves which are distributed in the circumferential direction of the tyre tread body. The pre-abrasion block bodies are evenly distributed on the circumferential belts. The widths of the tool grooves are not larger than 5 mm. The angle formed between each tool groove and the transverse direction of the tyre tread body is 0-90 degrees. According to the pneumatic tyre tread with the pre-abrasion tool grooves, pre-abrasion of the pneumatic tyre tread serving as an experiment target is standardized, so that the pneumatic tyre tread has the unified pre-abrasion state, in this way, an experiment result is made more accurate, and all properties of the stable state of a tyre during normal traveling can be represented in time.
Description
Technical field
The present invention relates to a kind of experiment tire tread structure, particularly a kind of air tread with pre-wearing and tearing cutter groove.
Background technology
Regulation in GB/T 22036-2208/ISO 13325:2003 " tire inertia slides past Noise Testing ", before test, new tire needs break-in good.Tire break-in is equivalent on average highway and travels 100 km, and the tire having special mounting to require carries out break-in by specific requirement.
GB/T 188861-2002 " motor tire rolling resistance experimental technique " regulation experiment advance performing PCR (manned vehicle radial-ply tyre) is not less than 1 hour or LTR (light card radial-ply tyre) is not less than the trail run of 2 hours, carries out break-in.
GB/T 2190-2008 " passenger car tire wet road surface relatively grasp method for testing performance " specifies that new tyre needs to brake the pre-running-in travelled as tire 2 times.
Tire needs break-in in actual use to reach the best in-use performance of tire.Tire tire when using break-in has wearing and tearing in various degree.
For reaching desirable test effect, the wearing and tearing of tire are needed to meet the demands, new tyre also needs the break-in of a period of time just can reach his maximum performance after replacing, new tyre is after traveling a period of time, decorative pattern has wearing and tearing to a certain degree, particularly cutter slot is put, and position distortion is herein comparatively large, increase corresponding to the area of contact on ground.
In experiment test, in order to reach the optimum efficiency of experiment as early as possible, just need to wear and tear in advance to tire protector, but current method is all the tire using some actual use a period of times, such tire cannot be determined due to use standard, so can be affected it as the accuracy of testing stage property, thus affect experimental precision.
In tire protector, the direction that circumference expression is tangent with the circle centered by the rotation axis of tire, laterally represents the direction with tire rotation axis being parallel.
Summary of the invention
In order to solve the problem of prior art, the invention provides a kind of air tread with pre-wearing and tearing cutter groove, it is using the normalisation that weares and teares in advance as the air tread of object of experiment, it is made to possess unified pre-wear state, thus make the result of experiment more accurate, the properties of stabilized conditions when tire normally travels can be embodied in time.
Described technical scheme of the present invention is as follows:
A kind of air tread with pre-wearing and tearing cutter groove, comprise tire protector body, the circumference of described tyre surface body is provided with at least two grooves, tyre surface body between described groove forms perimeter band, perimeter band is provided with the block that weares and teares in advance, described pre-wearing and tearing block is split to form by the cutter groove along the distribution of tyre surface body circumference, and described pre-wearing and tearing block is evenly distributed in perimeter band, described cutter well width is not more than 5mm, and described cutter groove and the transverse direction of tyre surface body are the angle of 0-90 degree.
Cutter groove and perimeter band connecting portion are that positive cambered surface is connected.
Cutter groove and perimeter band connecting portion are that anti-cambered surface is connected.
The transverse direction of cutter groove and tyre surface body is the angle of 30 degree.
Pre-wearing and tearing block independently exists or divides with adjacent pre-wearing and tearing block portion and is connected.
The beneficial effect that technical scheme provided by the invention is brought is:
The present invention is by arranging cambered surface forward or backwards at cutter groove and perimeter band connecting portion, tyre surface state after making air tread can present wearing and tearing, tire protector to be tested is made to use the tire protector after a period of time more approximate with actual, thus reach the best test mode of tire protector, this tire protector is tested, best test effect can be obtained.
Technical scheme of the present invention can be tested for the noise of tire protector, rolling resistance is tested and earth-grasping force test brings best test stage property, thus acquisition tests effect more accurately.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the local structure cutaway view of a kind of air tread with pre-wearing and tearing cutter groove of the present invention;
Fig. 2 is the part-structure schematic diagram of the tread surface of a kind of air tread with pre-wearing and tearing cutter groove of the present invention;
Fig. 3 is that the tyre surface of a kind of air tread with pre-wearing and tearing cutter groove of the present invention is at the section drawing with tyre surface during earth surface;
Fig. 4 is the structural representation (embodiment one) of a kind of airtyred tyre surface with pre-wearing and tearing cutter groove of the present invention;
Fig. 5 is the structural representation (embodiment two) of a kind of airtyred tyre surface with pre-wearing and tearing cutter groove of the present invention;
Fig. 6 is the structural representation (embodiment two) of a kind of airtyred tyre surface with pre-wearing and tearing cutter groove of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
As shown in Figure 1, the present embodiment relates to a kind of air tread, and this tyre surface comprises three perimeter band 1, and this perimeter band 1 is defined by four grooves 2.This perimeter band comprises the mating surfaces being intended for kiss the earth and multiple cutter groove 3 decorative patterns circumferentially distributed.Each cutter groove 3 has the width being not more than 5mm on described mating surfaces.This cutter groove 3 arranges with horizontal angled (0 degree to 90 degree), and perimeter band 1 is divided into a series of pre-wearing and tearing block 4, and this block independently exists or is connected with other block parts.At least the corner of side and block form the connection of positive arc or anti-arc to this cutter groove 3 and the institute binding site of splitting the pre-block that weares and teares.
As shown in Figure 3, pre-wearing and tearing block in the present embodiment comprises 2a, 2b, 2c, 2d, in conventional tyre and earth surface driving process, block 2a is by kiss the earth, now at a certain angle with ground, when tire moves on, the corner 3a first kiss the earth of cutter groove and perimeter band 1 connecting portion 5 side.3a is first stressed, and because area of thrust surface are less, deformation quantity increases, serious wear.
Conventional tyre is owing to extruding by gravity, cutter groove sidewall 4b is extruded, radial distance apart from ground is compressed, and 4a not stressed time radial distance larger than 4b, when tire moves on, 4a can be that the strong point carries out deformation compression with 3a, the stressed rapid increase of 3a point, in view of area of thrust surface are less, there will be comparatively galling.
In conventional tyre and earth surface driving process, block 2d is about to leave ground, now at a certain angle with ground, and when tire moves on, cutter groove 3 finally can leave ground with the corner 3c of perimeter band 1 connecting portion 5 side.Now 3c is stressed can increase, and because area of thrust surface are less, deformation quantity increases, serious wear.
Conventional tyre is owing to extruding by gravity, and cutter groove sidewall 4d is extruded, and the radial distance apart from ground is compressed, and when tire moves on, 4d can reply former radial distance gradually.4d can be that the strong point carries out form and unfolds with 3c, and the stressed rapid increase of 3c point, in view of area of thrust surface are less, there will be comparatively galling.
In view of more than, in the present embodiment, as shown in Figure 4, adopt positive cambered surface to be connected at cutter groove 3 with perimeter band 1 connecting portion 5.
Tire in use can form the state of the present embodiment gradually, the contact time on 3a and ground can be shortened when the firm kiss the earth of tire, the contact time on 3c and ground can be shortened when tire leaves ground, and increase area of contact, and the pre-wear state tended towards stability.
The properties of stabilized conditions when tire normally travels can be embodied in time by the design of wearing and tearing in advance.
Embodiment two:
As shown in accompanying drawing 5,6, the difference of the present embodiment and embodiment 1 is, adopts anti-cambered surface to be connected at cutter groove 3 with perimeter band 1 connecting portion 6.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the air tread of a band pre-wearing and tearing cutter groove, comprise tire protector body, the circumference of described tyre surface body is provided with at least two grooves, tyre surface body between described groove forms perimeter band, it is characterized in that, described perimeter band is provided with the block that weares and teares in advance, described pre-wearing and tearing block is split to form by the cutter groove along the distribution of tyre surface body circumference, and described pre-wearing and tearing block is evenly distributed in perimeter band, described cutter well width is not more than 5mm, and described cutter groove and the transverse direction of tyre surface body are the angle of 0-90 degree.
2. a kind of air tread with pre-wearing and tearing cutter groove according to claim 1, it is characterized in that, described cutter groove and perimeter band connecting portion are that positive cambered surface is connected.
3. a kind of air tread with pre-wearing and tearing cutter groove according to claim 1, it is characterized in that, described cutter groove and perimeter band connecting portion are that anti-cambered surface is connected.
4. a kind of air tread with pre-wearing and tearing cutter groove according to claim 1, it is characterized in that, described cutter groove and the transverse direction of tyre surface body are the angle of 30 degree.
5. a kind of air tread with pre-wearing and tearing cutter groove according to claim 1, is characterized in that, described pre-wearing and tearing block independently exists or divides with adjacent pre-wearing and tearing block portion and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430162.3A CN104972841A (en) | 2015-07-21 | 2015-07-21 | Pneumatic tyre tread with pre-abrasion tool grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430162.3A CN104972841A (en) | 2015-07-21 | 2015-07-21 | Pneumatic tyre tread with pre-abrasion tool grooves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104972841A true CN104972841A (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510430162.3A Pending CN104972841A (en) | 2015-07-21 | 2015-07-21 | Pneumatic tyre tread with pre-abrasion tool grooves |
Country Status (1)
| Country | Link |
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| CN (1) | CN104972841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114072292A (en) * | 2019-07-02 | 2022-02-18 | 米其林集团总公司 | Tyre comprising a tread |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023601A (en) * | 2007-07-23 | 2009-02-05 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| US20090095387A1 (en) * | 2007-10-15 | 2009-04-16 | The Goodyear Tire & Rubber Co. | Tire With Tread Having Full Depth Siping |
| US20120103484A1 (en) * | 2010-11-02 | 2012-05-03 | Toyo Tire & Rubber Co., Ltd. | Pneumatic tire |
| CN203666285U (en) * | 2014-02-10 | 2014-06-25 | 波沃兹斯卡亚什纳亚库帕尼亚有限责任公司 | Tire tread structure and tire utilizing same |
| WO2015038641A1 (en) * | 2013-09-10 | 2015-03-19 | Cooper Tire & Rubber Company | Visual wear indicator |
| CN104742663A (en) * | 2013-12-25 | 2015-07-01 | 中橡集团曙光橡胶工业研究设计院 | Tire with abrasion pits |
| CN204820969U (en) * | 2015-07-21 | 2015-12-02 | 新力橡胶轮胎(温州)有限公司 | Take pre -grinding and decrease pneumatic tire tread in sword groove |
-
2015
- 2015-07-21 CN CN201510430162.3A patent/CN104972841A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023601A (en) * | 2007-07-23 | 2009-02-05 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| US20090095387A1 (en) * | 2007-10-15 | 2009-04-16 | The Goodyear Tire & Rubber Co. | Tire With Tread Having Full Depth Siping |
| US20120103484A1 (en) * | 2010-11-02 | 2012-05-03 | Toyo Tire & Rubber Co., Ltd. | Pneumatic tire |
| WO2015038641A1 (en) * | 2013-09-10 | 2015-03-19 | Cooper Tire & Rubber Company | Visual wear indicator |
| CN104742663A (en) * | 2013-12-25 | 2015-07-01 | 中橡集团曙光橡胶工业研究设计院 | Tire with abrasion pits |
| CN203666285U (en) * | 2014-02-10 | 2014-06-25 | 波沃兹斯卡亚什纳亚库帕尼亚有限责任公司 | Tire tread structure and tire utilizing same |
| CN204820969U (en) * | 2015-07-21 | 2015-12-02 | 新力橡胶轮胎(温州)有限公司 | Take pre -grinding and decrease pneumatic tire tread in sword groove |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114072292A (en) * | 2019-07-02 | 2022-02-18 | 米其林集团总公司 | Tyre comprising a tread |
| CN114072292B (en) * | 2019-07-02 | 2023-09-19 | 米其林集团总公司 | Tire comprising a tread |
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Application publication date: 20151014 |