CN210981331U - Fatigue life testing machine - Google Patents
Fatigue life testing machine Download PDFInfo
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- CN210981331U CN210981331U CN201922495983.1U CN201922495983U CN210981331U CN 210981331 U CN210981331 U CN 210981331U CN 201922495983 U CN201922495983 U CN 201922495983U CN 210981331 U CN210981331 U CN 210981331U
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- power shaft
- pressure head
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Abstract
The application discloses a fatigue life testing machine, a force transducer is arranged between a power shaft and a pressure head, a testing object detection sensor is arranged on one surface of the pressure head, which is contacted with a testing object, the force transducer and the testing object detection sensor are electrically connected with a control device, the force transducer is used for detecting the output power of the power shaft, the control device can adjust the output power of the power shaft according to the feedback result of the force transducer so as to adjust the pressure applied to the testing object, the testing object detection sensor is used for detecting whether the pressure head is contacted with the testing object or not and transmitting the feedback information to the control device, the control device starts timing or stops timing according to the feedback information of the testing object detection sensor so as to adjust the loading time of the power shaft on the testing object, and the fatigue life testing machine can carry out fatigue tests on different types of sensors by adjusting the output power and the loading time, the universality of the fatigue life testing machine is improved.
Description
Technical Field
The utility model belongs to the technical field of the sensor is made, especially, relate to a fatigue life test machine.
Background
The sensor is a detection device, can feel the information being measured, and can convert the information into electrical signals or other information output in required form according to a certain rule, so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to overcome the defects, the utility model aims to provide a fatigue life testing machine to solve the technical problems of low efficiency, large labor intensity and incapability of being suitable for sensors of different types in the existing sensor fatigue testing.
(II) technical scheme
In order to achieve the purpose, the technical scheme provided by the application is as follows:
a fatigue life tester, comprising:
the device comprises a rack, at least one power device, a pressure head, a force measuring sensor, a test object detection sensor and a control device;
the power device is arranged on the frame and is provided with a power shaft capable of ascending and descending up and down;
the pressure head is arranged at the end part of the power shaft and is used for extruding the test object under the driving of the power shaft;
the force measuring sensor is arranged between the power shaft and the pressure head, is electrically connected with the control device, and is used for detecting the output power value of the power shaft when the pressure head is abutted against the tested object and feeding back the detected output power value to the control device;
the test object detection sensor is arranged on one surface of the pressure head, which is contacted with the test object, is electrically connected with the control device and is used for detecting whether the pressure head is contacted with the test object or not and feeding back a detection result to the control device so as to enable the control device to start or stop timing to calculate the loading time of the power shaft loaded on the test object;
the control device is electrically connected with the force measuring sensor, the test object detection sensor and the power device, and can adjust the output power and the loading time of the power shaft according to the feedback information of the force measuring sensor and the test object detection sensor.
Further, when the power device is a plurality of, a plurality of power devices are arranged side by side.
Further, still include: and the fixing piece is arranged below the pressure head and used for fixing the test object.
Further, the control device includes: and the timing module is used for calculating the contact time of the test object detection sensor and the test object.
Further, still include: and the display screen is arranged on the side wall of the rack, is electrically connected with the control device and is used for displaying the pressure value applied to the pressure head by the power shaft and the time for the contact of the test object detection sensor and the test object.
Further, the control device further includes: and the adjusting key is used for a user to adjust the power of the manual adjusting power device and adjust the holding time of the power shaft after the power shaft descends.
Borrow by above technical scheme, the beneficial effect of this application lies in: the fatigue life testing machine is characterized in that a force transducer is arranged between a power shaft and a pressure head, a test object detection sensor is arranged on one surface of the pressure head, which is contacted with a test object, the force transducer and the test object detection sensor are electrically connected with a control device, the force transducer is used for detecting the output power of the power shaft, the control device can adjust the output power of the power shaft according to the feedback result of the force transducer so as to adjust the pressure applied to the test object, the test object detection sensor is used for detecting whether the pressure head is contacted with the test object or not and transmitting the feedback information to the control device, the control device starts timing or stops timing according to the feedback information of the test object detection sensor so as to adjust the loading time of the power shaft on the test object, and the fatigue life testing machine can carry out fatigue tests on different types of sensors by adjusting the output power and the loading time, the universality of the fatigue life testing machine is improved, manual pressurization is not needed, the labor intensity is reduced, and the testing efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a fatigue life testing machine of the present invention;
reference numerals:
1: a control device; 2: a power plant; 201: a power shaft; 3: a pressure head; 4: a test object detection sensor; 5: and a frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model provides a pair of fatigue life test machine, it includes:
the device comprises a frame 5, at least one power device 2, a pressure head 3, a force measuring sensor, a test object detection sensor 4 and a control device 1;
the power device 2 is arranged on the frame 5, and the power device 2 is provided with a power shaft 201 capable of ascending and descending up and down;
the pressure head 3 is arranged at the end part of the power shaft 201 and is used for extruding a test object under the driving of the power shaft 201;
the force measuring sensor is arranged between the power shaft 201 and the pressure head 3, is electrically connected with the control device 1, and is used for detecting the output power value of the power shaft 201 when the pressure head 3 is abutted against a tested object and feeding back the detected output power value to the control device 1;
the test object detection sensor 4 is arranged on one surface of the pressure head 3, which is contacted with the test object, is electrically connected with the control device 1, and is used for detecting whether the pressure head 3 is contacted with the test object or not and feeding back a detection result to the control device 1 so as to enable the control device 1 to start or stop timing to calculate the loading time of the power shaft 201 on the test object;
the control device 1 is electrically connected with the force measuring sensor, the test object detection sensor 4 and the power device 2, and the control device 1 can adjust the output power and the loading time of the power shaft 201 according to the feedback information of the force measuring sensor and the test object detection sensor 4.
The fatigue life test machine is mainly used for testing the sensor, and the sensor is continuously stressed and the stress applied to the sensor at each time lasts for a period of time to detect the damage degree of the sensor so as to judge the service life of the sensor.
Specifically, the fatigue life testing machine which is continuously applied to the sensor at the preset time is provided with the load cell between the power shaft 201 and the pressure head 3 and the test object detection sensor 4 between the power shaft 201 and the pressure head 3, wherein the load cell and the test object detection sensor 4 are electrically connected with the control device 1, when the pressure head 3 abuts against the test object, the load cell can feed back the pressure applied to the pressure head 3 by the power shaft 201 to the control device 1, the pressure applied to the pressure head 3 by the power shaft 201 is the output power of the power shaft 201, the larger the output power of the power shaft 201 is, the larger the pressure applied to the test object is, and conversely, the smaller the output power of the power shaft 201 is, the smaller the pressure applied to the test object is. The pressure of the power shaft 201 loaded on the tested object can be obtained through the output power value fed back by the force transducer, and the control device 1 can adjust the pressure of the power shaft 201 loaded on the tested object according to the output power value fed back by the force transducer. Whether test article detection sensor 4 is the response pressure head 3 and contacts with the test article, when power shaft 201 drives pressure head 3 downward movement and test article butt, test article sensor will sense the signal transmission to the controller of test article, controlling means 1 begins timing after receiving the signal, after a period of time, power shaft 201 drives pressure head 3 and upwards moves away from the test article, stop sending the signal to controlling means 1 when test article sensor can not respond to the test article, controlling means 1 can stop timing not receiving the signal, so, controlling means 1 just can calculate the loading time of power shaft 201 loading on the test article, controlling means 1 can be according to the feedback signal regulation power shaft 201's of test article sensor loading time. The fatigue life testing machine can adjust the output power and the loading time, can perform fatigue testing on sensors of different types, improves the universality of the fatigue life testing machine, does not need manual pressurization, reduces the labor intensity and increases the testing efficiency.
Preferably, this application is provided with a plurality of power device 2, and a plurality of power device 2 set up side by side on frame 5, and a plurality of power device 2 can start simultaneously and carry out the fatigue life test to a plurality of test article, greatly increased the efficiency of test.
Preferably, set up the mounting in pressure head 3 below, the quantity of mounting is the same with the quantity of pressure head 3, and the effect of mounting is the fixed test article, prevents that test article from sliding when carrying out the fatigue life test and leading to the test inaccurate.
Specifically, the control device 1 comprises a timing module, the timing module can calculate the loading time of the power shaft 201, the timing module starts to time when the test object detection sensor 4 senses the test object, and the timing module stops timing when the test object detection sensor 4 does not sense the test object.
Preferably, the fatigue life testing machine of the present application further includes a display screen, the display screen is disposed on the sidewall of the rack 5 and electrically connected to the control device 1, and the display screen is used for displaying the output power of the power shaft 201 and displaying the loading time of the power shaft 201 loaded on the tested object. Therefore, the user can observe the current test parameters more intuitively, the use is more convenient, and the experience effect of the user is good.
Specifically, an adjusting button is provided on the control device 1, and a user can adjust test parameters by pressing the adjusting button, so that the fatigue life testing machine can be applied to different types of sensors.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. A fatigue life testing machine, comprising: the device comprises a rack, at least one power device, a pressure head, a force measuring sensor, a test object detection sensor and a control device;
the power device is arranged on the rack and is provided with a power shaft capable of ascending and descending up and down;
the pressure head is arranged at the end part of the power shaft and is used for extruding a test object under the driving of the power shaft;
the force measuring sensor is arranged between the power shaft and the pressure head, is electrically connected with the control device, and is used for detecting the output power value of the power shaft when the pressure head is abutted against the test object and feeding back the detected output power value to the control device;
the test object detection sensor is arranged on one surface of the pressure head, which is contacted with the test object, is electrically connected with the control device and is used for detecting whether the pressure head is contacted with the test object or not and feeding back a detection result to the control device so as to start or stop timing by the control device and calculate the loading time of the power shaft on the test object;
the control device is electrically connected with the force measuring sensor, the test object detection sensor and the power device, and can adjust the output power of the power shaft and the loading time according to the feedback information of the force measuring sensor and the test object detection sensor.
2. The fatigue life testing machine as set forth in claim 1, wherein when the power unit is plural, plural power units are arranged side by side.
3. The fatigue life tester of claim 2, further comprising: and the fixing piece is arranged below the pressure head and used for fixing the test object.
4. The fatigue life tester of claim 2 or 3, wherein the control device includes: and the timing module is used for calculating the contact time of the test object detection sensor and the test object.
5. The fatigue life tester of claim 4, further comprising: and the display screen is arranged on the side wall of the rack, is electrically connected with the control device and is used for displaying the pressure value applied to the pressure head by the power shaft and the time of contact between the test object detection sensor and the test object.
6. The fatigue life tester of claim 5, wherein the control device further comprises: and the adjusting key is used for a user to adjust the power of the power device manually and adjust the holding time of the power shaft after the power shaft descends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495983.1U CN210981331U (en) | 2019-12-31 | 2019-12-31 | Fatigue life testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495983.1U CN210981331U (en) | 2019-12-31 | 2019-12-31 | Fatigue life testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210981331U true CN210981331U (en) | 2020-07-10 |
Family
ID=71437721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922495983.1U Active CN210981331U (en) | 2019-12-31 | 2019-12-31 | Fatigue life testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210981331U (en) |
-
2019
- 2019-12-31 CN CN201922495983.1U patent/CN210981331U/en active Active
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