CN217586739U - Torsion fatigue testing machine - Google Patents
Torsion fatigue testing machine Download PDFInfo
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- CN217586739U CN217586739U CN202220674872.6U CN202220674872U CN217586739U CN 217586739 U CN217586739 U CN 217586739U CN 202220674872 U CN202220674872 U CN 202220674872U CN 217586739 U CN217586739 U CN 217586739U
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Abstract
The utility model relates to the technical field of experimental equipment, and provides a torsional fatigue testing machine, which comprises a testing unit and a power unit, wherein the power unit is used for supplying energy to the testing unit; the test unit includes: the dynamic torque testing unit and the static torque testing unit are mutually independent; the test unit includes: the hydraulic pressure device comprises a pressure device, a flange, a torque sensor, an angle sensor and a hydraulic source, wherein the flange is connected with the pressure device and used for being connected with a piece to be detected, the hydraulic source is connected with the pressure device and used for providing oil pressure for the pressure device, and the torque sensor, the angle sensor and the flange are connected and used for detecting a torque value and an angle value of the piece to be detected. The dynamic torque testing unit further comprises a movable tailstock, and the movable tailstock is connected with the pressure gauge and used for driving the pressure gauge to move to complete performance testing of the to-be-tested piece under the dynamic acting force. The utility model discloses a torsion testing machine can see dynamic torsion test and static torsion test simultaneously, optimizes and has promoted torsion check out test set's practicality.
Description
Technical Field
The utility model belongs to the technical field of experimental facilities, concretely relates to torsional fatigue testing machine.
Background
The torsion test is a basic test item in a material test, a piece to be tested is fixed on test equipment during the test, a specific torsion load is applied to the piece to be tested, the performance change of the piece to be tested under the torsion load is judged, and detection data is output.
In the existing torque force testing equipment, a to-be-tested piece is required to be absolutely fixed on a detecting device, then a preset static load is applied to the to-be-tested piece, and the performance change of the to-be-tested piece under the static load is judged. However, in practical application, the load that the material bore is compound load, does not necessarily only receive static load, still includes dynamic load, and the check out test set that can compromise static torsion load and dynamic torsion load simultaneously has not yet in the test set of current yet, consequently, the utility model discloses a torsion testing machine mainly provides a torsion tester in order to satisfy actual demand to prior art's shortcoming.
SUMMERY OF THE UTILITY MODEL
The utility model provides a twist reverse fatigue testing machine for can't detect the problem that the piece that awaits measuring bears the performance state under static torsion load and the dynamic torsion load simultaneously among the solution prior art, in order to compensate the market vacancy.
In order to solve the technical problem, the embodiment of the utility model provides a disclosed torsional fatigue testing machine specifically is according to following realization:
the utility model provides a torsional fatigue testing machine, the testing machine includes test unit and power pack, the power pack is used for providing energy for the test unit;
the test unit includes: the testing device comprises a dynamic torque testing unit and a static torque testing unit, wherein the dynamic torque testing unit and the static torque testing unit are mutually independent; the test unit includes: the hydraulic pressure measuring device comprises a pressure gauge, a flange, a torque sensor, an angle sensor and a hydraulic source, wherein the flange is connected with the pressure gauge and used for being connected with a piece to be measured, the hydraulic source is connected with the pressure gauge and used for providing oil pressure for the pressure gauge, and the torque sensor and the angle sensor are connected with the flange and used for detecting a torque value and an angle value of the piece to be measured;
the dynamic torque testing unit further comprises a movable tailstock, and the movable tailstock is connected with the pressure device and used for driving the pressure device to move to complete performance testing of the to-be-tested piece under the dynamic acting force.
Optionally, the testing machine further includes a controller, the controller is in signal connection with the test unit, and the controller is used for controlling the test unit.
Optionally, the mobile tailstock further includes a stopper, where the stopper includes a physical stopper and an electronic stopper valve, and the stopper is configured to limit the position of the mobile tailstock.
Optionally, the hydraulic source further includes an accumulator and a servo valve, the servo valve is used for adjusting the oil pressure, and the accumulator is used for stabilizing the oil pressure.
Optionally, the hydraulic source further includes a filter, an input end of the filter is connected to the accumulator, an output end of the filter is connected to the servo valve, and the filter is configured to filter oil.
Optionally, the movable tailstock further comprises a linear guide pair, and the linear guide pair is used for compensating for torsional deformation of the to-be-detected piece.
The utility model discloses a torsional fatigue testing machine, which comprises a testing unit and a power unit, wherein the power unit is used for supplying energy to the testing unit; wherein, the test unit includes: the dynamic torsion testing unit and the static torsion testing unit are used for testing the torsion performance of the piece to be tested under dynamic load and static load respectively, and the dynamic torsion testing unit and the static torsion testing unit are independent. This move and turn round test unit and quiet test unit of turning round all includes: the hydraulic pressure device comprises a pressure device, a flange, a torque sensor, an angle sensor and a hydraulic source, wherein the flange is connected with the pressure device and used for being connected with a piece to be detected; the dynamic torque testing unit further comprises a movable tailstock, and the movable tailstock is connected with the pressure gauge and used for driving the pressure gauge to move to complete performance testing of the to-be-tested piece under the dynamic acting force. The utility model discloses a torsion testing machine can see dynamic torsion test and static torsion test simultaneously, has optimized check out test set, has promoted torsion check out test set's practicality.
Drawings
Fig. 1 is a schematic structural diagram of an entire torsional fatigue testing machine provided in this embodiment;
fig. 2 is a schematic structural diagram of a dynamic torsion testing unit of the torsional fatigue testing machine provided in the present embodiment;
fig. 3 is a schematic diagram of a test mode in the torsional fatigue testing machine provided in this embodiment.
In the figure, 1: a static torsion test unit; 2: a dynamic torque testing unit; 3: a pressure device; 4: a flange; 5: a hydraulic source; 6: an accumulator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a schematic structural diagram of the whole torsional fatigue testing machine provided in this embodiment is shown; referring to fig. 2, a schematic structural diagram of a dynamic torsion testing unit 2 of a torsional fatigue testing machine provided in the present embodiment is shown; referring to fig. 3, a schematic diagram of a test mode in the torsional fatigue testing machine according to the present embodiment is shown.
As shown in fig. 1 to 3, an embodiment of the present invention provides a torsional fatigue testing machine, which includes a testing unit and a power unit, wherein the power unit is used for supplying energy to the testing unit;
the test unit includes: the testing device comprises a dynamic torque testing unit 2 and a static torque testing unit 1, wherein the dynamic torque testing unit 2 and the static torque testing unit 1 are mutually independent; the test unit includes: the hydraulic pressure tester comprises a pressure gauge 3, a flange 4, a torque sensor, an angle sensor and a hydraulic source 5, wherein the flange 4 is connected with the pressure gauge 3 and used for being connected with a piece to be tested, the hydraulic source 5 is connected with the pressure gauge 3 and used for providing oil pressure for the pressure gauge 3, and the torque sensor and the angle sensor are connected with the flange 4 and used for detecting a torque value and an angle value of the piece to be tested. The dynamic torque testing unit 2 further comprises a movable tailstock, and the movable tailstock is connected with the pressure device 3 and used for driving the pressure device 3 to move to complete performance testing of the to-be-tested piece under the dynamic acting force.
The utility model discloses a torsional fatigue testing machine, which comprises a testing unit and a power unit, wherein the power unit is used for supplying energy to the testing unit; wherein, the test unit includes: the dynamic torsion testing unit 2 and the static torsion testing unit 1 are respectively used for testing the torsion performance of the piece to be tested under dynamic load and static load, and the dynamic torsion testing unit 2 and the static torsion testing unit 1 are mutually independent. This dynamic torsion test unit 2 and static torsion test unit 1 all include: the device comprises a pressure device 3, a flange 4, a torque sensor, an angle sensor and a hydraulic source 5, wherein the flange 4 is connected with the pressure device 3 and used for being connected with a to-be-detected piece, the hydraulic source 5 is connected with the pressure device 3 and used for providing oil pressure for the pressure device 3, and the torque sensor and the angle sensor are connected with the flange 4 and used for detecting a torque value and an angle value of the to-be-detected piece; the dynamic torque testing unit 2 further comprises a movable tailstock, and the movable tailstock is connected with the pressure device 3 and used for driving the pressure device 3 to move to complete performance testing of the to-be-tested piece under the dynamic acting force. The utility model discloses a torsion testing machine can see dynamic torsion test and static torsion test simultaneously, has optimized check out test set, has promoted torsion check out test set's practicality.
It should be noted that the utility model discloses a testing machine still includes the controller, controller and test element signal connection, and the controller is used for controlling test element. The tester sets the test parameters through the controller on the tester and selects the test mode. As shown in fig. 3, the test modes include a pure static torque test (e.g., a mode in the figure), a pure dynamic torque test (e.g., B mode in the figure), and a static and dynamic composite torque test (e.g., C mode in the figure), and the controller automatically controls the detection system to perform the torque test on the to-be-tested object according to the detection mode set by the tester to obtain the detection result.
Additionally, the utility model discloses in use oil to promote the pressure gauge 3 work through promoting and reducing the oil pressure as the medium during power unit stated, accomplish the torsion test of awaiting measuring the piece, can also use gas to promote the pressure gauge 3 work through promoting and reducing atmospheric pressure as the medium. The embodiment of the present invention does not specifically limit this.
In some embodiments, the moving tailstock further comprises a stopper, the stopper comprising a physical stopper and an electronic stopper valve, the stopper being configured to limit the position of the moving tailstock. The two directions of the movable tailstock are respectively provided with a limit switch, so that the movable limit position of the movable tailstock can be limited, and the safety of the movable tailstock is ensured. Mechanical limiting blocks are arranged at two ends of the linear guide rail, so that safety protection can be forced, and the tailstock sliding block is placed to be separated from the guide rail.
In some embodiments, the hydraulic source further comprises an accumulator 6 and a servo valve for regulating the oil pressure, the accumulator 6 being used for stabilizing the oil pressure. The hydraulic source also comprises a filter, the input end of the filter is connected with the energy accumulator 6, the output end of the filter is connected with the servo valve, and the filter is used for filtering oil.
The system pressure oil provided by the hydraulic source 5 enters a pressure oil cavity of the oil cylinder through an oil inlet pipe, a high-pressure energy accumulator 6, a precision filter smaller than 5um and a servo valve, and the hydraulic oil in an oil return cavity returns to an oil tank through the servo valve, an oil return pipe, a cooler and a return filter. The energy accumulator 6 is arranged on the oil inlet and return pipeline, so that pressure fluctuation can be eliminated, the effect of stabilizing the system pressure is achieved, the system control precision is improved, and the precision filter can ensure the cleanliness of the oil way in which the servo valve normally works. By installing the high accuracy angular transducer on pressure gauge 3, measure and twist reverse actuator pivoted corner, realize pressure gauge 3's position control, at 3 motion processes of pressure gauge, connect the torque sensor at quiet chuck end and can realize measuring the effect moment of torsion that the actuator acted on the test piece, realize torque control through electric control system.
In some embodiments, the moving tailstock further comprises a linear guide pair, and the linear guide pair is used for compensating the torsional deformation of the piece to be measured. The linear guide rail pair is configured to effectively compensate the torsional axial deformation of the sample and ensure that the piece to be tested bears the pure torsion action; in addition, a tailstock linear automatic adjusting device can be configured to meet the test requirements of the test piece, and the tailstock can be conveniently and quickly moved by a tester.
The utility model provides a twist reverse fatigue test machine is the equipment that detects the torsional fatigue performance of all kinds of test pieces, can test moment of torsion, corner isoparametric. The testing machine host can include that the workstation, move and turn round test element 2 (pressure gauge 3, angle sensor, twist reverse flange 4 and bearing frame support), quiet turn round test element 1 (torque sensor, flange 4, chuck and bearing frame saddle bracket), remove the tailstock (can set up to include linear guide, saddle, rack and pinion motor moving system) and safe stop device etc. and constitute.
The working platform can be formed by cast iron one-step casting, one end of the working platform is a movable chuck transmission mechanism part, and the working platform comprises an angle sensor, a servo valve, a pipeline system, a bracket and the like. The other end is provided with a torque sensor and a chuck which can slide along a linear guide rail (the axial direction of the testing machine) along with the slide carriage bracket. According to the length of the test piece, the motor is controlled to drag the movable tailstock to adjust the test space between the movable torque chuck and the chuck.
Finally, the embodiment of the utility model provides a torsional fatigue testing machine, this testing machine includes test unit and power pack, and the power pack is used for supplying energy to the test unit; the test unit includes: the testing device comprises a dynamic torque testing unit 2 and a static torque testing unit 1, wherein the dynamic torque testing unit 2 and the static torque testing unit 1 are mutually independent; the test unit includes: the hydraulic pressure device comprises a pressure device 3, a flange 4, a torsion sensor, an angle sensor and a hydraulic source 5, wherein the flange 4 is connected with the pressure device 3 and used for being connected with a to-be-detected piece, the hydraulic source 5 is connected with the pressure device 3 and used for providing oil pressure for the pressure device 3, and the torsion sensor and the angle sensor are connected with the flange 4 and used for detecting a torsion value and an angle value of the to-be-detected piece. The dynamic torque testing unit 2 further comprises a movable tailstock, and the movable tailstock is connected with the pressure device 3 and used for driving the pressure device 3 to move to complete performance testing of the to-be-tested piece under the dynamic acting force. The utility model discloses a torsion testing machine can see dynamic torsion test and static torsion test simultaneously, has optimized check out test set, has promoted torsion check out test set's practicality.
It should be noted that the above-described embodiments are only some of the claimed embodiments, and not all of the claimed embodiments. All other embodiments, which can be derived by one of ordinary skill in the art from the embodiments in the application without any creative effort, shall fall within the scope of protection of the application. In the present specification, each embodiment is described with emphasis on differences from other embodiments, and the same and similar parts between the embodiments may be referred to each other.
Claims (6)
1. A torsional fatigue testing machine is characterized by comprising a testing unit and a power unit, wherein the power unit is used for supplying energy to the testing unit;
the test unit includes: the testing device comprises a dynamic torque testing unit (2) and a static torque testing unit (1), wherein the dynamic torque testing unit (2) and the static torque testing unit (1) are independent from each other; the test unit includes: the hydraulic pressure measuring device comprises a pressure device (3), a flange (4), a torsion sensor, an angle sensor and a hydraulic source (5), wherein the flange (4) is connected with the pressure device (3) and used for being connected with a piece to be measured, the hydraulic source (5) is connected with the pressure device (3) and used for providing oil pressure for the pressure device (3), and the torsion sensor and the angle sensor are connected with the flange (4) and used for detecting a torsion value and an angle value of the piece to be measured;
the dynamic torque testing unit (2) further comprises a movable tailstock, and the movable tailstock is connected with the pressure device (3) and used for driving the pressure device (3) to move to complete performance testing of the to-be-tested piece under the dynamic acting force.
2. The torsional fatigue testing machine of claim 1 further comprising a controller in signal communication with the test unit, the controller for controlling the test unit.
3. The torsional fatigue testing machine of claim 1, wherein the moving tailstock further comprises a stopper, the stopper comprises a physical stopper and an electronic stopper valve, and the stopper is used for limiting the position of the moving tailstock.
4. The torsional fatigue tester of claim 1, wherein the hydraulic pressure source (5) further comprises an accumulator (6) and a servo valve for regulating the oil pressure, the accumulator (6) being used for stabilizing the oil pressure.
5. The torsional fatigue tester of claim 4, wherein the hydraulic source (5) further comprises a filter, the input of which is connected to the accumulator (6), the output of which is connected to the servo valve, the filter being used to filter oil.
6. The torsional fatigue testing machine of claim 1, wherein the moving tailstock further comprises a linear guide pair, and the linear guide pair is used for compensating the torsional deformation of the piece to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220674872.6U CN217586739U (en) | 2022-03-25 | 2022-03-25 | Torsion fatigue testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220674872.6U CN217586739U (en) | 2022-03-25 | 2022-03-25 | Torsion fatigue testing machine |
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| CN217586739U true CN217586739U (en) | 2022-10-14 |
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| CN202220674872.6U Active CN217586739U (en) | 2022-03-25 | 2022-03-25 | Torsion fatigue testing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116399577A (en) * | 2023-06-07 | 2023-07-07 | 北京理工大学 | Torsion shaft fatigue test device and test method |
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- 2022-03-25 CN CN202220674872.6U patent/CN217586739U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116399577A (en) * | 2023-06-07 | 2023-07-07 | 北京理工大学 | Torsion shaft fatigue test device and test method |
| CN116399577B (en) * | 2023-06-07 | 2023-08-18 | 北京理工大学 | Torsion shaft fatigue test device and test method |
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