Intelligent system tester for detecting thermal fatigue performance of metal material
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A fatigue performance, metal material technology, applied in the field of intelligent system testing machine, can solve the problems of single environment, can not be well simulated, can not reach the holding time, etc., to achieve the effect of improving experimental efficiency
Pending Publication Date: 2017-08-11
JIANGSU UNIV
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[0003] The traditional method of testing the cold and heat fatigue performance of metal materials needs to consume most of the manual operation time. The traditional heating furnace is not closed, so the required temperature or holding time cannot be reached during the heating and heat preservation process.
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[0025] 以下结合附图对本发明作进一步更加详尽地描述。
[0026] Such as figure 1 所示,检测金属材料冷热疲劳性能的智能系统试验机的结构示意图,试验机包括“倒L”型的支撑架9、加热装置、传感装置、升降装置、冷却装置及智能控制装置;
[0028] 加热装置包括定温定时加热炉3、翻盖式封闭隔热板6,定温定时加热炉3与合页4之间采用螺栓连接,使定温定时加热炉3固定在支撑架9上部;定温定时加热炉3 为内部空腔且底部有一圆孔的圆桶状,滚珠丝杆2底端伸入定温定时加热炉3内部,定温定时加热炉3的底端通过螺栓连接翻盖式封闭隔热板6,当进行 加热时,翻盖式封闭隔热板6通过滚珠丝杆二(图中未标出)与第一旋转电机1相连接,第一旋转电机1受PLC控制器18的控制,这样翻盖式封闭隔热 板6可以在第一旋转电机1控制滚珠丝杆二(图中未标出)时自动进行闭合圆孔,减少温度从底部很快地散失,达到对炉内保温的目的,使得到的试验数据 more precise.
[0029] Such as image 3 所示,定温定时加热炉3内壁缠绕着加热电阻丝20,电阻丝的直径约为0.5cm,电阻丝之间的间距为2cm,加热电阻丝20可以增大加热面积,也可以使试样均匀受热;定温定时加热炉3通过反馈线12与PLC控制器18相连接,由PLC控制器18控制加热的时间、温度;定温定时加热炉3内还设有第二温度感应器21,用于感知炉内温度;加热电阻丝20、第二温度感应器21分别通过反馈线12与PLC控制器18彼此连接组成反馈系统,当加热温度和加热时间达不到或超过设定的试验参数时,反馈系统自动进行处理,使温度和加热时间固定在设定的水平上。定温定时加热炉3的炉壁采...
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Abstract
The invention relates to an intelligent system tester for detecting thermal fatigue performance of a metal material; the intelligent system tester comprises a support frame, a heating furnace, a lifting device, and a cooling water tank; the top end of the support frame is connected to the lifting device, the lifting device drives a sample to cyclically move between the heating furnace and the cooling water tank so as to heat or cool the sample, a temperature sensor and a pressure level are arranged in the cooling water tank and used for sensing water temperature and water level in the cooling water tank, and if the water temperature and the water level are not in conformity with set values, an intelligent control device controls a sensing faucet and a thermal circulator to act to keep the water temperature and water level constant; the cooling water tank is a three-cell cooling water tank, and the three water cells may receive three different cooling media so as to simulate various cooling environments. The intelligent system tester main gain improved test efficiency and may acquire more accurate experimental data. Compared with traditional equipment, the intelligent system tester may also carry out automatic test through an intelligent program.
Description
technical field [0001] 本发明属于金属检测技术领域,特别涉及检测金属材料冷热疲劳性能的智能系统试验机。 Background technique [0002] 随着当今社会的不断发展,科学技术的不断提高,人们对于产品的要求越来越高。而产品性能的好坏很大一部分取决于材料的性能。因此加深对材料的研究是我们义不容辞的责任,而材料的冷热疲劳性能就是其中重要的一环。 [0003] 检测金属材料的冷热疲劳性能的传统方法需要消耗大部分人工操作时间,传统的加热炉不是封闭式,所以加热保温过程中达不到所需要的温度或达不到所需要的保温时间。并且传统冷却桶只能盛放一种冷却试剂,环境比较单一,不能很好的模拟各种实验环境,另外冷却液因为淬火时水温升高而对实验结果造成偏差。因此我们需要设计一种智能程序化控制的的冷热疲劳试验装置来检测材料的冷热疲劳性能,解决了上述传统方法存在的问题,另外还可以更加快速准确地得到实验数据。 Contents of the invention [0004] 针对上述要解决的技术问题,本发明提供了一种检测金属材料冷热疲劳性能的智能系统试验机,该试验机可以对炉温、水温进行控制,不停地变换冷却试剂,模拟多种不同的冷却环境,为实验提供更加精确的实验数据。 [0005] 为实现上述技术目的,本发明采用如下技术方案: [0006] 检测金属材料冷热疲劳性能的智能系统试验机,试验机包括“倒L”型的支撑架、加热装置、传感装置、升降装置、冷却装置及智能控制装置,所述支撑架的顶端、上部 分别与升降装置、加热装置连接,所述加热装置下端设有冷却装置,所述冷却装置内部设有传感装置,所述升降装置、冷却装置、传感装置均通过反馈线与智能控制装置相 connect; [0007] 所述升降装置由第一旋转电机、滚珠丝杆、试样夹具组成,所述滚珠丝杆固定于支撑架的顶端,所述滚珠丝杆上端、底端分别连接第一旋转电机、试样夹具; [0008] 所述加热装置包括加热炉、封闭隔热板,所述加热炉为内部空腔且底部有一圆孔的圆桶状,所述滚珠丝杆底端伸入加热炉内部,所述加热炉的底端通过螺栓连接封闭隔热板,当进行加热时封闭隔热板自动闭合圆孔,达到对炉内保温的目的; [0009] 所述冷却装置包括冷却水槽,冷却水槽为中空圆柱形桶状; ...
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