Rubber wearing and tearing tester
A testing machine and rubber technology, applied in the direction of testing wear resistance, testing material hardness, measuring devices, etc., can solve the problems of not being able to simulate the actual driving conditions of tires and general wear and tear.
Inactive Publication Date: 2014-04-16
李航
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- Application Information
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Problems solved by technology
If rubber is used for automobile tires, the tires will encounter different road conditions, loads, driving speeds, ambient temperatures, etc. in actual use; Good simulation of the actual driving conditions of the tire
Method used
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[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0016] see Figure 1-Figure 3 , a rubber wear split testing machine, including a base 1, a column 2 located on the base 1, a rotating motor 3, the rotating speed of the rotating motor 3 is 30rpm to 1200rpm;
[0017] The upper part of the column 2 is provided with a support plate 4, and the upper surface of the support plate 4 is provided with several support seats 5 on the annular surface near the edge. Each support seat 5 is connected with the support plate 4 through a sliding shaft that can slide up and down, and the support plate 4 is provided with a test disc 6 above, and the test disc 6 is connected with the rotating motor 3 through a rotating shaft. The inner side of the support seat 5 is provided with a test wheel 8 located above the test disc 6. The shaft rod 10 of the block 11 has a load range of 30 to 85N;
[0018] The upper surface...
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Abstract
The invention discloses a rubber wearing and tearing tester. The tester comprises a pedestal, a vertical column arranged on the pedestal, and a rotation motor. A supporting plate is arranged on the upper part of the vertical column. A plurality of supporting seats are arranged on the upper surface of the supporting plate and close to an annular plane on the edge. The supporting seats are connected to the supporting plate through a sliding shaft which can slide up and down. A testing disk is arranged above the supporting plate. The testing disk is connected to the rotation motor through a rotation shaft. A testing wheel is arranged on the internal side of the supporting seat and above the testing disk. According to the invention, a temperature controlling box is arranged on the supporting plate on the upper part of the tester, such that weather situations of summers and winters can be simulated. A water spraying nozzle is arranged beside the testing wheel, such that the wearing and tearing resistances of the rubber on wet pavements can be tested. Load is arranged on the supporting seats, such that the load bearing situation in actual applications can be simulated. Abrasive paper can be used for simulating the application situation of a tyre on a normal pavement. A nail plate is used for simulating the application situation of a tyre on construction sites or places with poor road conditions.
Description
technical field [0001] The invention relates to a rubber abrasion testing device, in particular to a testing machine for rubber abrasion and splitting in a laboratory. Background technique [0002] At present, the main equipment for wear and tear testing of rubber in the laboratory are: B.F. Goodrich tear test machine, DIN wear test machine, and Pico wear test machine. Among them, the B.F. Goodrich split test machine mainly uses a knife to impact the rotating rubber sample wheel to test the split resistance of rubber products; the results are expressed in mass loss and diameter reduction. The main principle of the DIN Abrasion Tester is to move a cylindrical sample over a rolling wear drum, the surface of which is a specific grade of sandpaper; the result is expressed as a volume loss. The principle of the Pico abrasion machine is to rotate a circular sample under a pair of knives at a specified speed for a period of time; the result is expressed as a loss of mass. If rubb...
Claims
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IPC IPC(8): G01N3/56G01N3/40G01N5/00
Inventor 李航
Owner 李航