Multi-head tensile testing machine
A technology of tensile testing machine and testing machine, which is applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., which can solve the problems of affecting the quality of the test, many influencing factors, and failure to achieve, so as to improve the test quality. Quality, strong market competitiveness, and the effect of improving production efficiency
Inactive Publication Date: 2020-06-12
于重久
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- Application Information
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Problems solved by technology
[0002] At present, the tensile testing machines produced at home and abroad only have one set of tensile devices, and only one test can be done at a time; the production efficiency is low, the cost is high, and a set of tests needs to be repeated many times, at least three times, and there are many influencing factors, which are not conducive to the test results. Analysis, Impact Trial Quality Improvement
Existing multi-head testing machines also have their own differences, and cannot achieve "one machine at a time and one furnace to complete a group of tests"
When doing high-temperature tests, asbestos ropes are required to bind thermocouples, which causes environmental pollution and is not environmentally friendly
Method used
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Embodiment Construction
[0084] Figure 1-A Figure 1-B , the multi-head tensile testing machine is composed of beam 1-1, universal joint 1-2, tie rod 1-3, heating furnace 1-4, heating body 1-5, sample 1-6, tie rod 1-7, furnace frame 1-8, guide rail bracket 1-9, extension rod 1-10, displacement sensor 1-11, joint 1-12, force sensor 1-13, base 1-14, console 1-15 (artificial intelligence temperature control device, data acquisition system AWS, computer) 1-15, and the servo drive system of the testing machine.
[0085] beam on testing machine Figure 1-A , 1-B Three universal joints are fixed in the center every 120° with a radius of 25mm. This part is processed with high-strength alloy. Also fix three load cells at 1-14 in Figure 1 on the test stand image 3 Corresponding to the universal joint, three sets of stretching devices are formed:
[0086] universal joint figure 2 + tie rod Figure 7 +sample+tie rod Figure 7 + load cell image 3 . Structural steel is used below 500°C, and high-temperat...
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Abstract
The invention discloses a multi-head tensile testing machine, which belongs to special equipment in the technical field of testing machines, is provided with three sets of independent stretching devices, and can be used for preparing three samples at one time under the same test condition. Only one set of traditional stretching device is replaced, the production efficiency is improved, and the cost is reduced. The three sets of stretching devices share one heating furnace for split type direct radiation heating, the length of a constant-temperature area is 100-300mm, and the temperature rangeis 100-1400 DEG C. The three thermocouples monitor the upper, middle and lower changes of the constant temperature area and input signals into the artificial intelligence temperature controller for adjustment. Asbestos ropes are not used during testing, and pollution-free and environment-friendly effects are achieved. A micro-deformation test is performed, an extension rod is installed on the scale distance of the sample and extends out of the furnace to be connected with a displacement sensor and a data acquisition system AWS. A test report is processed and printed by the computer. Time and labor are saved, production efficiency is improved, cost is reduced, and quality is improved.
Description
Technical field: [0001] The multi-head tensile testing machine belongs to the special equipment in the field of testing machine technology. It is suitable for testing various mechanical performance parameters of metal materials at room temperature and high temperature. Background technique: [0002] At present, the tensile testing machines produced at home and abroad only have one set of tensile devices, and only one test can be done at a time; the production efficiency is low, the cost is high, and a set of tests needs to be repeated many times, at least three times, and there are many influencing factors, which are not conducive to the test results. Analysis, impact test quality improvement. Existing multi-head testing machines also have their own differences, and cannot achieve "one machine at a time and one furnace to complete a group of tests". When doing high-temperature tests, asbestos ropes are required to bind thermocouples, which causes environmental pollution and...
Claims
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IPC IPC(8): G01N3/18G01N3/02G01N3/04G01N3/06
CPCG01N3/18G01N3/02G01N3/04G01N3/06G01N2203/0017G01N2203/0075G01N2203/0226G01N2203/0476G01N2203/0682
Inventor 不公告发明人
Owner 于重久