CN105738127A - Tread rubber abrasion test device and test method thereof - Google Patents
Tread rubber abrasion test device and test method thereof Download PDFInfo
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- CN105738127A CN105738127A CN201610084154.2A CN201610084154A CN105738127A CN 105738127 A CN105738127 A CN 105738127A CN 201610084154 A CN201610084154 A CN 201610084154A CN 105738127 A CN105738127 A CN 105738127A
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- 238000005299 abrasion Methods 0.000 title claims abstract description 49
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000010998 test method Methods 0.000 title abstract description 5
- 239000000428 dust Substances 0.000 claims abstract description 55
- 239000002245 particle Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000009826 distribution Methods 0.000 claims abstract description 30
- 238000011160 research Methods 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 8
- 238000002474 experimental method Methods 0.000 claims description 17
- 230000006641 stabilisation Effects 0.000 claims description 14
- 238000011105 stabilization Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000002585 base Substances 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 238000005422 blasting Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000012855 volatile organic compound Substances 0.000 abstract 4
- 239000013618 particulate matter Substances 0.000 abstract 1
- 241000168254 Siro Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 235000019580 granularity Nutrition 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0272—Investigating particle size or size distribution with screening; with classification by filtering
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a tread rubber abrasion test device and test method thereof, and belongs to the test machinery technology field. The device overall comprises a closed box body, an air intake channel, a volatile organic compound (VOC) gas collection device, a suspended particulate matter collection device and an abrasion device. According to the present invention, the test rotating speed is controlled by a frequency converter, the test temperature is controlled by an air heater, the test load is controlled by adding a counterweight on a crossbeam, the suspended particulate matters are collected by a multi-stage collision particle sampler, a VOC gas is collected via an alkali liquor, and the abrasive dust is convenient to collect and a multiple abrasion test condition is realized by abrading a rubber wheel on the inner surface of a roller and by the tight connection of the roller and the front and back baffles. The present invention provides the device and the test method which can research the VOC discharge, the abrasive dust granularity distribution and the abrasive dust multiple abrasion during the tread rubber abrasion process.
Description
Technical field
The present invention relates to a kind of tread rubber wear test equipment and method of testing thereof, belong to test machines technical field.
Background technology
Tire, as the unique vitals with earth surface of automobile, in rolling process, inevitably to rub with road surface, and produces to wear away, and therefore, study of tire tread rubber wear hardness has very important significance.
At present, being used for studying the most common equipment of rubber abrasion performance is Akron abrasion machine, but Akron abrasion machine experimental condition is single, and rotating speed, load, experimental temperature are all non-adjustable；Meanwhile, its experimental condition differs greatly with the real work situation of automobile tire.Therefore, the wearability of reflection tread rubber it is difficult to by the abrasion loss that the Akron abrasion machine that test condition is single and gentle is obtained.
It addition, with one of wearability only wear hardness being merely tread rubber of abrasion loss reflection.The content of VOC (VOC) gas that tire discharges in abrasion process and kind；The quality of the distribution of particle sizes of abrasive dust, particularly suspended particulate substance and particle size distribution；Can the abrasive dust being scattered be further worn out after repeatedly being sheared by tire, and these are also need research and the problem solved in tread rubber abrasion process.And overwhelming majority wear test equipment of the prior art is only for what the abrasion loss of tread rubber was designed, such as, disclosed in Chinese patent 200710026737.0 and 201510190701.0 rubber abrasion test equipment, although two kinds of equipment can realize the test conditions such as load, temperature, angle, rotating speed are adjusted, but abrasive dust (particularly suspend swarf particles), VOC gas cannot be collected, and carry out the repeatedly abrasion research of abrasive dust.
Summary of the invention
The present invention is directed to the problems referred to above, purpose is in that to design a kind of tread rubber wear test equipment, make the experiment parameters such as load, rotating speed, test temperature adjustable and meet the practical working situation of automobile tire, the VOC gas of release, abrasive dust (including suspension swarf particles) in tread rubber abrasion process can be collected simultaneously, and the repeatedly abrasion research of abrasive dust can be carried out.
A kind of tread rubber wear test equipment, it is characterized in that: include containment housing, inlet channel, VOC gas collector, suspended particulate substance collection device and attrition apparatus be totally five major parts, specifically include weight-bearing surface, base, steel plate, air purifier, air heater, No. I valve, surge flask, alkali liquor bottle, safety flack, No. I pump, No. II valve, impaction, No. II pump, flexible pipe, converter and motor, ring flange, bearing, power transmission shaft, backboard, cylinder, rear jig, rubber wheel, front jig, rubber wheel supports axle, front apron, crossbeam, bearing and counterweight；Access after air purifier and air heater being connected with flexible pipe in containment housing, as inlet channel；Accessing containment housing after successively No. I pump, safety flack, alkali liquor bottle, surge flask being connected with flexible pipe, No. I valve is arranged on the flexible pipe between surge flask and containment housing, as VOC gas collector；With accessing containment housing after hose connection No. II pump and impaction, No. II valve is arranged on the flexible pipe between impaction and containment housing, as suspended particulate substance collection device；The mounting means of attrition apparatus is: power transmission shaft one end and motor are directly connected to, being arranged on weight-bearing surface by bearing, the power transmission shaft other end is connected with backboard key, and cylinder is with being fixed on backboard, front apron knot that can be undone by a pull is connected with cylinder, can load rubber wheel after dismantling；Rubber wheel supports axle one end and fixes with front jig, and after installing rubber wheel, rear jig, screw is fixed in the screw of rubber axle, rubber wheel is fixed on rubber wheel and supports on axle；Rubber wheel supports the other end of axle and is arranged on crossbeam by bearing, and crossbeam one end is fixed on bearing by bearing, and the crossbeam other end can apply counterweight, and crossbeam can only swing up and down.
Bearing is screwed on base, and with a Stud connection bearing and base, after pulling down screw, bearing and the crossbeam being connected with bearing and rubber wheel can stud be that axis rotates, and conveniently vary and collect abrasive dust.
Equipped with converter before described motor, by changing FREQUENCY CONTROL motor speed, the range of speeds is 1000～2500r/min, and simulating actual car speed is the operating mode of 50～120km/h.
Described air heater can pass into airtight ferrum case after being heated by air, and controlling test temperature is room temperature～100 DEG C.
Described crossbeam one end can add the counterweight of different quality, controls test load, and counterbalance mass ranges for 15～20kg, and simulating actual vehicle weight is the operating mode of 1.5～2.0t.
Described multistage collision particle sampler can collect suspended particulate substance, and particle size range is 0.056～18 μm.
The inner surface of described cylinder carries out blasting treatment, and steel sand granularity is 40～120 orders, the road surface of the inner surface simulation different roughness that different steel sand granularities process.Inner surface contacts with rubber wheel as rubbing surface, cylinder and front apron, backboard compact siro spinning technology, and abrasive dust rolls all the time in cylinder, can repeatedly be worn and torn by rubber wheel and conveniently collect abrasive dust.
A kind of method utilizing described tread rubber abrasion equipment to collect VOC gas, carries out according to following steps:
1) in cylinder, load rubber wheel, namely complete dress sample；More specifically: open dodge gate, unload front apron, three screws on bearing of back-outing, produce containment housing with the stud on bearing for axis by bearing and the crossbeam and the rubber wheel that are connected with bearing, rubber wheel of back-outing supports the screw in axle, loads onto rubber wheel after pulling down rear jig；Load onto parts by above-mentioned opposite sequence, crossbeam is loaded onto counterweight, shuts dodge gate, complete dress sample step；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) close No. II valve, open No. I valve and No. I pump.
A kind of method utilizing described tread rubber abrasion equipment to collect suspended particulate substance, carries out according to following steps:
1) dress sample step with collection VOC gas time consistent；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) close No. I valve, open No. II valve and No. II pump.
A kind of method utilizing described tread rubber abrasion equipment detection abrasive dust particle size distribution, carries out according to following steps:
1) dress sample step with collection VOC gas time consistent；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) experiment terminates the abrasive dust in rear collection cylinder, is placed in by abrasive dust in standard inspection sieve and sieves；Rubber grain is sieved by standard inspection sieve, and grading range is 0.038～3mm；Weigh the quality of at different levels parts after screening, obtain abrasive dust particle size distribution.
A kind of method utilizing described tread rubber abrasion equipment research abrasive dust repeatedly to wear away, carries out according to following steps:
1) dress sample step with collection VOC gas time consistent；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) experiment is collected and screening abrasive dust, mensuration abrasive dust particle size distribution by the method for above-mentioned detection abrasive dust particle size distribution after terminating；
4) keep temperature, load, rotating speed, time experiment condition constant, respectively by above-mentioned 3) in the rubber grain of different-grain diameter be placed in cylinder and continue abrasion test, by the method for above-mentioned detection abrasive dust particle size distribution mensuration abrasive dust particle size distribution；
5) particle size distribution of abrasive dust after the experiment adding different-grain diameter rubber grain is compared.
A kind of method utilizing described tread rubber abrasion equipment research abrasive dust repeatedly to wear away, carries out according to following steps:
1) dress sample step with collection VOC gas time consistent；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) experiment measures abrasive dust particle size distribution by the method for above-mentioned detection abrasive dust particle size distribution after terminating；
4) keep temperature, load, rotating speed experiment condition constant, change experimental period, repeat experiment；Measure the abrasive dust particle size distribution of different wearing-in period by the method for above-mentioned detection abrasive dust particle size distribution, obtain particle size distribution ratio with wearing-in period variation relation.
The present invention is compared with prior art, rotating speed is tested by Frequency Converter Control, test temperature is controlled by air heater, test load is controlled by adding counterweight on crossbeam, suspended particulate substance is collected by multistage collision particle sampler, collect VOC gas by alkali liquor, by rubber wheel at drum inner surface abrasion and the compact siro spinning technology of cylinder and front and rear baffle, facilitate abrasive dust collection and realize repeatedly abrasion test condition.
Accompanying drawing explanation
Fig. 1 is Abrasion detecting equipment overall structure schematic diagram of the present invention.
Fig. 2 is the attrition apparatus part schematic diagram that the present invention relates to.
Fig. 3 is the attrition apparatus assembling schematic diagram that the present invention relates to.(observing internal structure for convenience, be not drawn into front apron)
Fig. 4 is the bearing schematic diagram that the present invention relates to.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the present invention made further description, but the present invention is not limited in implementation below.
Embodiment:
The tread rubber wear test equipment entirety that the present embodiment relates to includes containment housing, inlet channel, VOC gas collector, suspended particulate substance collection device and attrition apparatus be totally five major parts, specifically include weight-bearing surface 2, base 23, steel plate, air purifier, air heater, No. I valve, surge flask, alkali liquor bottle, safety flack, No. I pump, No. II valve, impaction, No. II pump, flexible pipe, converter and motor, ring flange, power transmission shaft 4, backboard 5, cylinder 6, screw 7, rear jig 8, rubber wheel 9, front jig 10, front apron 11, rubber wheel supports axle 12, crossbeam 14, bearing 21, counterweight 22.Weight-bearing surface 2, base 23 and four block plates form containment housing after weld formation, and dodge gate made by side steel plate；Access after air purifier and air heater being connected with flexible pipe in containment housing, as inlet channel；Accessing containment housing after successively No. I pump, safety flack, alkali liquor bottle, surge flask being connected with flexible pipe, No. I valve is arranged on the flexible pipe between surge flask and containment housing, as VOC gas collector；With accessing containment housing after hose connection No. II pump and impaction, No. II valve is arranged on the flexible pipe between impaction and containment housing, as suspended particulate substance collection device；The mounting means of attrition apparatus (as shown in Figure 3) is: power transmission shaft 4 one end and motor ring flange are directly connected to, it is arranged on weight-bearing surface 2 by clutch shaft bearing 1 and the second bearing 3, power transmission shaft 4 other end is connected with key with backboard 5, cylinder 6 screw is tightly fixed on backboard 5, front apron 11 knot that can be undone by a pull and cylinder 6 compact siro spinning technology, load rubber wheel 9 after detachable；Rubber wheel supports axle 12 one end and fixes with front jig 10, and after installing rubber wheel 9, rear jig 8, screw 7 is fixed in the screw of rubber axle 12, rubber wheel 9 is fixed on rubber wheel and supports on axle 12；Rubber wheel supports the other end of axle 12 and is arranged on crossbeam 14 by the 3rd bearing 13 and the 4th bearing 15, crossbeam 14 one end is fixed on bearing 21 by the 5th bearing 16 and the 6th bearing 17, crossbeam 14 other end can apply counterweight 22, and crossbeam 14 can swing up and down, it is impossible to moves left and right；Bearing 21 three screws 18,19,20 are fixed on base 23, bearing 21 and base 23 is connected with a stud 24, after pulling down three screws 18,19,20, bearing 21 and the crossbeam 14 being connected with bearing 21 and rubber wheel 9 can rotate for axis by stud 24, conveniently vary and collect abrasive dust.
Equipped with converter before the motor that the present embodiment relates to, by changing FREQUENCY CONTROL motor speed, the range of speeds is 1000～2500r/min, and simulating actual car speed is the operating mode of 50～120km/h.
The air heater that the present embodiment relates to can pass into airtight ferrum case after being heated by air, and controlling test temperature is room temperature～100 DEG C；
Crossbeam 14 one end that the present embodiment relates to can add the counterweight 22 of different quality, controls test load, and counterweight 22 mass range is 15～20kg, and simulating actual vehicle weight is the operating mode of 1.5～2.0t.
The multistage collision particle sampler that the present embodiment relates to can collect suspended particulate substance, and particle size range is 0.056～18 μm.
The inner surface of the cylinder 6 that the present embodiment relates to carries out blasting treatment, and steel sand granularity is 40～120 orders, the road surface of the inner surface simulation different roughness that different steel sand granularities process.Inner surface contacts with rubber wheel 9 as rubbing surface, cylinder 6 and front apron 11, backboard 5 compact siro spinning technology, and abrasive dust rolls all the time cylinder 6 in, can be worn and torn by rubber wheel and conveniently collect abrasive dust for more than 9 time.
The tread rubber abrasion equipment that the present embodiment relates to collects the method for VOC gas, carries out according to following steps:
1) dodge gate is opened, unload front apron 11, back-out three screws 18,19,20 on bearing 21, bearing 21 and the crossbeam 14 and the rubber wheel 9 that are connected with bearing 21 are produced containment housing with the stud 24 on bearing 21 for axis, rubber wheel of back-outing supports the screw 7 in axle 12, loads onto rubber wheel 9 after pulling down rear jig 8；Load onto parts by above-mentioned opposite sequence, crossbeam 14 is loaded onto counterweight 22, shuts dodge gate, complete dress sample step；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) close No. II valve, open No. I valve and No. I pump.
The tread rubber abrasion equipment that the present embodiment relates to collects the method for suspended particulate substance, carries out according to following steps:
1) dress sample step with collection VOC gas time consistent；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) close No. I valve, open No. II valve and No. II pump.
The method of the tread rubber abrasion equipment detection abrasive dust particle size distribution that the present embodiment relates to, carries out according to following steps:
1) dress sample step with collection VOC gas time consistent；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) experiment terminates the abrasive dust in rear collection cylinder 6, is placed in by abrasive dust in standard inspection sieve and sieves；Rubber grain is sieved by standard inspection sieve, and grading range is 0.038～3mm；Weigh the quality of at different levels parts after screening, obtain abrasive dust particle size distribution.
The method that the tread rubber abrasion equipment research abrasive dust that the present embodiment relates to repeatedly wears away, carries out according to following steps:
1) dress sample step with collection VOC gas time consistent；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) experiment is collected and screening abrasive dust, mensuration abrasive dust particle size distribution by the method for above-mentioned detection abrasive dust particle size distribution after terminating；
4) keep temperature, load, rotating speed, time experiment condition constant, respectively by above-mentioned 3) in the rubber grain of different-grain diameter be placed in cylinder and continue abrasion test, by the method for above-mentioned detection abrasive dust particle size distribution mensuration abrasive dust particle size distribution；
5) particle size distribution of abrasive dust after the experiment adding different-grain diameter rubber grain is compared.
The another kind of method that the tread rubber abrasion equipment research abrasive dust that the present embodiment relates to repeatedly wears away, carries out according to following steps:
1) dress sample step with collection VOC gas time consistent；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) experiment measures abrasive dust particle size distribution by the method for above-mentioned detection abrasive dust particle size distribution after terminating；
4) keep temperature, load, rotating speed experiment condition constant, change experimental period, repeat experiment；Measure the abrasive dust particle size distribution of different wearing-in period by the method for above-mentioned detection abrasive dust particle size distribution, obtain particle size distribution ratio with wearing-in period variation relation.
Claims (10)
1. a tread rubber wear test equipment, it is characterized in that: include containment housing, inlet channel, VOC gas collector, suspended particulate substance collection device and attrition apparatus be totally five major parts, specifically include weight-bearing surface, base, steel plate, air purifier, air heater, No. I valve, surge flask, alkali liquor bottle, safety flack, No. I pump, No. II valve, impaction, No. II pump, flexible pipe, converter and motor, ring flange, bearing, power transmission shaft, backboard, cylinder, rear jig, rubber wheel, front jig, rubber wheel supports axle, front apron, crossbeam, bearing and counterweight；Access after air purifier and air heater being connected with flexible pipe in containment housing, as inlet channel；Accessing containment housing after successively No. I pump, safety flack, alkali liquor bottle, surge flask being connected with flexible pipe, No. I valve is arranged on the flexible pipe between surge flask and containment housing, as VOC gas collector；With accessing containment housing after hose connection No. II pump and impaction, No. II valve is arranged on the flexible pipe between impaction and containment housing, as suspended particulate substance collection device；The mounting means of attrition apparatus is: power transmission shaft one end and motor are directly connected to, and are arranged on weight-bearing surface by bearing, and the power transmission shaft other end is connected with backboard key, and cylinder is fixed on backboard, and front apron knot that can be undone by a pull is connected with cylinder, can load rubber wheel after dismantling；Rubber wheel supports axle one end and fixes with front jig, and after installing rubber wheel, rear jig, screw is fixed in the screw of rubber axle, rubber wheel is fixed on rubber wheel and supports on axle；Rubber wheel supports the other end of axle and is arranged on crossbeam by bearing, and crossbeam one end is fixed on bearing by bearing, and the crossbeam other end can apply counterweight, and crossbeam can only swing up and down.
2. a kind of tread rubber wear test equipment according to claim 1, it is characterised in that: range of motor speeds is 1000～2500r/min.
3. a kind of tread rubber wear test equipment according to claim 1, it is characterised in that: it is room temperature～100 DEG C that air heater controls test temperature.
4. a kind of tread rubber wear test equipment according to claim 1, it is characterised in that: crossbeam one end, by adding the counterweight of different quality, controls test load, and counterbalance mass ranges for 10～25kg.
5. a kind of tread rubber wear test equipment according to claim 1, it is characterised in that: multistage collision particle sampler can collect suspended particulate substance, and particle size range is 0.056～18 μm.
6. a kind of tread rubber wear test equipment according to claim 1, it is characterised in that: the inner surface of cylinder is through blasting treatment, and steel sand granularity is 40～120 orders.
7. the method applying a kind of tread rubber wear test equipment as claimed in claim 1, it is characterised in that the method collecting VOC gas, carries out according to following steps:
1) in cylinder, load rubber wheel, complete dress sample；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) close No. II valve, open No. I valve and No. I pump.
8. the method applying a kind of tread rubber wear test equipment as claimed in claim 1, it is characterised in that the method collecting suspended particulate substance, carries out according to following steps:
1) in cylinder, load rubber wheel, complete dress sample；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) close No. I valve, open No. II valve and No. II pump.
9. the method applying a kind of tread rubber wear test equipment as claimed in claim 1, it is characterised in that the method for detection abrasive dust particle size distribution, carries out according to following steps:
1) in cylinder, load rubber wheel, complete dress sample；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) experiment terminates the abrasive dust in rear collection cylinder, is placed in standard inspection sieve by abrasive dust；Rubber grain is sieved by standard inspection sieve, weighs the quality of at different levels parts after screening.
10. the method applying a kind of tread rubber wear test equipment as claimed in claim 1, it is characterised in that the method that research abrasive dust repeatedly wears away, carries out according to following steps:
1) in cylinder, load rubber wheel, complete dress sample；
2) open air heater, after temperature stabilization in confined space, open abrasion machine motor；
3) experiment is collected after terminating and screening abrasive dust, mensuration abrasive dust particle size distribution；
4) keep temperature, load, rotating speed, experimental period condition constant, respectively the rubber grain of different-grain diameter is placed in cylinder and continues abrasion test, and measure abrasive dust particle size distribution.
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Cited By (8)
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| CN106441945A (en) * | 2016-12-01 | 2017-02-22 | 天津得丰光合科技有限公司 | Tire detection device with brake and abrasion mechanisms |
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