CN205079920U - High temperature vibration testing appearance - Google Patents

Abstract

The utility model discloses a high-temperature vibration tester, which comprises a vibration device, a heating device and a measuring probe. The vibration device includes a vibration table body, a vibration sensor and a vibration controller. Shell, heating assembly, temperature sensor, controller and exhaust fan. The heat-insulating shell is divided into upper and lower layers by a partition. The exhaust fan is fixed on the partition. a hole and a second hole, the heat-insulating housing is installed on the support platform through a fixing device, the supporting platform is fixed on the moving coil, the fixing device includes a first fixing piece and a second fixing piece respectively arranged on the front and rear sides of the heat-insulating casing, Both the first fixing part and the second fixing part are provided with through holes, and columnar insertion strips are arranged in the through holes. The utility model is easy to install and use, and can realize rapid temperature impact of the sample to be tested, and improve the accuracy of the detection result and the energy utilization efficiency.

Description

High temperature vibration tester

technical field

The utility model relates to the technical field of high-temperature vibration testing for mine operations, in particular to a high-temperature vibration testing instrument.

Background technique

During mine operation, some electronic equipment, such as high-temperature wireless inclinometers while drilling, need to work in a high-temperature vibration environment for a long time, so all electronic components that make up these electronic equipment are required to work normally in a high-temperature vibration environment. In order to ensure the normal operation of electronic equipment in a high-temperature vibration environment, it is necessary to perform high-temperature vibration tests on the various electronic components that make up the electronic equipment for screening. At present, the general high-temperature vibration test system is mainly composed of a vibration table and a high-temperature box. The body of the vibration table and the high-temperature box are usually matched by an adapter, an extended table, or a direct fit. In the above cooperation mode, the moving coil of the vibrating table is located inside the high-temperature box, which directly becomes the heat-absorbing carrier. During the high-temperature vibration process, the high-temperature box needs to heat the moving coil while heating the vibrating sample, which leads to a faster heating rate of the vibrating sample. It is slow and cannot achieve rapid temperature shock, which may cause deviations in detection results and cause a lot of energy waste.

Utility model content

The purpose of the utility model is to provide a high-temperature vibration tester with simple structure and accurate detection effect, which can not only realize rapid temperature impact of the sample to be tested, improve the accuracy of detection results, but also save heat and improve energy utilization efficiency.

For realizing above-mentioned object, the technical scheme that the utility model adopts is:

A high-temperature vibration tester includes a vibration device, a heating device and a measuring probe. The vibration device includes a vibration table body, a vibration sensor and a vibration controller. The surface of the vibration table body is provided with a moving coil. The input end of the vibration controller is connected to a vibration sensor, the output end of the vibration control instrument is connected to the moving coil, and the heating device includes a heat-insulating shell, a heating assembly, a temperature sensor, a controller and an exhaust fan, the heating assembly and the temperature sensor are fixed in the heat-insulating shell, and the input end of the controller The temperature sensor is connected, the output end of the controller is connected to the heating assembly, the heat insulation shell is divided into upper and lower layers by the partition, and there are through holes on the partition, the exhaust fan is fixed on the partition, and the front and rear sides of the heat insulation casing A first hole and a second hole opposite to each other are respectively opened on the sides, the distance between the first hole and the second hole is less than the length of the measuring probe, the heat insulating shell is installed on the supporting platform through a fixing device, and the supporting platform is fixed on On the moving coil, the fixing device includes a first fixing piece and a second fixing piece respectively arranged on the front and rear sides of the heat-insulating housing, the first fixing piece and the second fixing piece are both provided with through holes, and the through holes are equipped with There are column inserts, the through holes of the first fixing part and the second fixing part are respectively opposite to the first hole and the second hole, and the measuring probe is also connected to the data processing system.

The heat-insulating housing is provided with a plurality of sets of first holes and second holes facing each other on the front and rear sides, and each set of first holes and second holes is provided with a fixing device.

The columnar inserts are screws, and threads matching the screws are provided in the through holes of the first fixing part and the second fixing part.

The heat insulating shell is cylindrical.

The utility model isolates the vibrating device from the heating device through the support platform, avoids the moving coil from becoming a heat-absorbing carrier, can realize rapid temperature impact of the sample to be tested, and improves the utilization efficiency of heat; Two layers, using the exhaust fan to make the heated air circulate continuously inside the heat-insulating shell to ensure the temperature balance inside the heat-insulating shell and ensure the accuracy of the high-temperature test of the sample to be tested; the heat-insulating shell cooperates with the fixing device, and the measuring probe The tube can be put into the heat insulation housing through the through hole of the first fixing piece or the second fixing piece. The through holes of the first fixing piece and the second fixing piece are matched with columnar inserts, so that the installation and fixing of the measuring probe And the disassembly process is very simple, which is conducive to improving the test efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model.

detailed description

As shown in Figure 1, the high-temperature vibration tester described in the utility model includes a vibrating device, a heating device and a measuring probe, and the vibrating device includes a vibrating table body 1, a vibration sensor and a vibration controller, and the vibrating table body 1 surface is provided with The moving coil 2, the moving coil 2 can generate vibrations of appropriate intensity under the action of the vibration controller. The output end is connected to the moving coil 2, and the vibration intensity of the moving coil 2 is adjusted by changing the magnitude of the driving current. The heating device includes a heat insulating shell 4, a heating assembly, a temperature sensor, a controller and an exhaust fan, the heating assembly and the temperature sensor are fixed in the heat insulating shell 4, the input end of the controller is connected to the temperature sensor, and the output end of the controller is connected to the heating assembly , to provide a suitable high temperature environment for the sample to be tested. The heat insulating shell 4 is divided into upper and lower layers by a partition, and a through hole is arranged on the partition, and the exhaust fan is fixed on the partition, and the air in the upper shell is drawn to blow to the heating assembly, and the air passing through the heating assembly is then sent to the lower shell. body returns to the upper shell, the heated air circulates continuously inside the heat-insulating shell 4, which is beneficial to the temperature balance inside the heat-insulating shell 4 and improves the accuracy of the high-temperature test of the sample to be tested.

The front and rear sides of the heat insulating shell 4 are respectively provided with a first hole and a second hole facing each other, the distance between the first hole and the second hole is less than the length of the measuring probe, and the heat insulating shell 4 is installed on the On the supporting platform 3, the supporting platform 3 is fixed on the moving coil 2 by bolts, that is, the heat insulating shell 4 and the moving coil 2 are separated by the supporting platform 3, which can prevent the moving coil 2 from becoming a heat-absorbing carrier, and realize the rapid testing of the sample to be tested. Temperature shock, improve heat utilization efficiency. The fixing device includes a first fixing piece 6 and a second fixing piece 5 respectively arranged on the front and rear sides of the heat insulating shell 4, the first fixing piece 6 and the second fixing piece 5 are provided with through holes, the first fixing piece 6 and the second fixing piece The through holes of the two fixing parts 5 are opposite to the first hole and the second hole respectively, when the measuring probe passes through the through holes of the first fixing part 6 or the second fixing part 5 and is placed between the first hole and the second hole At this time, the through holes of the first fixing part 6 and the second fixing part 5 are provided with columnar inserts 7, which can fix the measuring probe in the heat-insulating casing 4. The measuring probe is also connected to the data processing system. By observing whether the output data of the measuring probe is normal, the high temperature vibration resistance of the sample to be tested can be judged.

The heat-insulating shell 4 in this embodiment is cylindrical, and the heat-insulating shell 4 is provided with three groups of first holes and second holes facing each other on the front and rear sides along the axial direction. Both are provided with the first fixing part 6 and the second fixing part 5 correspondingly, so the high temperature vibration test can be performed on multiple sample parts to be tested at the same time, and the test efficiency is improved. Threads are provided in the through holes of the first fixing part 6 and the second fixing part 5, and the columnar inserts 7 in the through holes are screws, so the installation and disassembly process is very simple.

The working principle of the utility model is: first, put the sample to be tested into the measuring probe, and make the measuring probe pass through the through hole of the first fixing part 6 or the second fixing part 5 and place it in the first part of the heat insulating shell 4. Between the hole and the second hole, insert screws from the outside into the through holes of the first fixing part 6 and the second fixing part 5 respectively, and fix the measuring probe in the heat insulating housing 4 through the cooperation of the screws and the internal threads of the through holes , and then control the heating assembly and the moving coil 2 to provide a suitable high-temperature vibration environment for the sample to be tested, and judge the high-temperature vibration resistance of the sample to be tested by observing the output of the measuring probe. The utility model is easy to install and use, and can realize rapid temperature impact of the sample to be tested, and improve the accuracy of the detection result and the energy utilization efficiency.

Claims (4)

1. High temperature vibration tester, comprising vibrating device, heating device and measuring probe, is characterized in that: described vibrating device comprises vibrating table body, vibration sensor and vibration controller, and vibrating table body surface is provided with moving coil, vibration control The input end of the instrument is connected to the vibration sensor, and the output end of the vibration control instrument is connected to the moving coil. The heating device includes a heat insulating shell, a heating assembly, a temperature sensor, a controller and an exhaust fan, and the heating assembly and the temperature sensor are fixed in the heat insulating shell , the input end of the controller is connected to the temperature sensor, the output end of the controller is connected to the heating assembly, the heat insulating housing is divided into upper and lower layers by a partition, and a through hole is arranged on the partition, and the exhaust fan is fixed on the partition, The front and rear sides of the heat-insulating shell are respectively provided with a first hole and a second hole facing each other. The distance between the first hole and the second hole is less than the length of the measuring probe. The heat-insulating shell is installed on the support platform through a fixing device. above, the supporting platform is fixed on the moving coil, and the fixing device includes a first fixing piece and a second fixing piece respectively arranged on the front and rear sides of the heat-insulating housing, and the first fixing piece and the second fixing piece are both provided with through holes The through holes are provided with columnar inserts, the through holes of the first fixing part and the second fixing part are respectively facing the first hole and the second hole, and the measuring probe is also connected to the data processing system. 2. The high-temperature vibration tester according to claim 1, characterized in that: said heat-insulating housing has multiple groups of first holes and second holes facing each other on the front and rear sides, each group of first holes and second holes Fixing devices are provided at the second holes. 3. The high-temperature vibration tester according to claim 2, characterized in that: the columnar inserts are screws, and the through holes of the first fixing part and the second fixing part are provided with threads matching the screws. 4. The high-temperature vibration tester according to claim 3, characterized in that: the heat-insulating shell is cylindrical.