Electromagnetic damping simulation test device

Abstract

The utility model discloses an electromagnetic damping simulation test device which comprises a test bench, a torque measurement module, a rotation simulation module, a driving module and a data acquisition instrument. The test bed comprises a bottom plate, linear guide rails I-II and slide block groups I-IV, the linear guide rails are mounted on the bottom plate, and the slide block groups I-IV are arranged on the linear guide rails; the torque measurement module comprises a sensor seat, a torque sensor and a fixed cylinder, the sensor seat is installed on the test bed, and the sensor seat, the torque sensor and the fixed cylinder are connected into a whole; the rotating simulation module comprises a rotating cylinder and a supporting assembly; the driving module comprises a coupler, a flat key, a motor, a frequency converter, a rotating speed sensor and a motor base, the motor, the frequency converter and the rotating speed sensor are installed on the motor base, and the coupler and the motor are connected into a whole through the flat key; and the data acquisition instrument is connected with the sensor through a data line. According to the utility model, the electromagnetic damping effect when the eddy current damper works can be effectively simulated, and rapid debugging can be realized.

Description

Technical Field

[0001] The utility model relates to the field of detection technology, in particular to an electromagnetic damping simulation test device. Background Art

[0002] The eddy current damper is a new type of vibration control device that uses the law of electromagnetic induction to allow the conductor to cut the magnetic flux lines in the magnetic field, converting mechanical energy into electrical energy in the conductor, and then dissipating the system energy through the resistance effect of the conductor.

[0003] Existing eddy current dampers need to be tested on a machine to determine their technical parameters. If the deviation is too large, they need to be disassembled and adjusted before being tested again to achieve performance that meets the requirements. This will significantly increase labor and time costs. Utility Model Content

[0004] The utility model provides an electromagnetic damping simulation test device to solve the technical problems existing in the above-mentioned prior art.

[0005] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is: an electromagnetic damping simulation test device comprises: a test bench, a torque measurement module, a rotation simulation module, a drive module and a data acquisition instrument, the test bench comprises a base plate, a linear guide rail 1, a linear guide rail 2, a slider group 1, a slider group 2, a slider group 3 and a slider group 4, the linear guide rail 1 and the linear guide rail 2 are installed in parallel on the base plate, and the slider groups 1 to 4 are slidably arranged on the linear guide rails 1 and 2 in sequence from left to right;

[0006] The torque measurement module includes a sensor seat, a torque sensor, and a fixing cylinder. The sensor seat is installed on the test bench. The upper end of the sensor seat is connected to one end of the torque sensor. The other end of the torque sensor is installed with a fixing cylinder, and the torque sensor and the fixing cylinder are coaxial.

[0007] The rotation simulation module includes a rotating cylinder and a support assembly. The support assembly is provided with two groups. The rotating cylinder is detachably mounted on the support assembly. The two groups of support assemblies are respectively mounted on the slider group 1 and the slider group 2. The support assembly includes a bearing seat, a bearing and a pressure cover. The bearing is mounted in the groove of the bearing seat. The pressure cover presses the outer ring of the bearing and is fixedly mounted on the bearing seat.

[0008] The driving module includes a coupling, a flat key, a motor, a frequency converter, a speed sensor and a motor seat. The motor seat is installed on the slider group three and the slider group four of the test bench. The motor is installed above the motor seat. The frequency converter and the speed sensor are installed on the side of the motor seat. The coupling and the motor are connected as a whole through a flat key. The rotation simulation module and the driving module are detachably connected together through a coupling.

[0009] The data acquisition instrument is connected to the torque sensor and the rotation speed sensor via a data line.

[0010] Preferably, the torque sensor, the fixed cylinder, the rotating cylinder and the motor are arranged on the same axis.

[0011] Preferably, the net depth of the rotating cylinder is greater than the length of the fixed cylinder, and a certain gap is left between the fixed cylinder and the rotating cylinder.

[0012] Preferably, the fixing tube is made of magnetic material.

[0013] Preferably, the slider group 1, the slider group 2, the slider group 3 and the slider group 4 are self-locking and are used to be fixed at any position on the linear guide rail.

[0014] Preferably, the detection head of the rotation speed sensor faces the bottom of the rotating drum.

[0015] Preferably, the frequency converter is connected to the motor via a line to adjust the motor speed.

[0016] The beneficial effects of the utility model are:

[0017] First, the utility model provides a fixed cylinder, a rotating cylinder, a supporting assembly, a motor and a frequency converter, and uses the motor to drive the rotating cylinder, so as to realize the coaxial movement of the fixed cylinder and the rotating cylinder at any speed, and simulate the movement state of the eddy current damper under any working condition.

[0018] Second, the utility model fixes the torque measurement module, installs the rotation simulation module on the slider group 1 and the slider group 2, and installs the drive module on the slider group 3 and the slider group 4, so that the modules can be quickly assembled and disassembled, shortening the debugging time.

[0019] Third, the fixed cylinder and the rotating cylinder of the utility model are both installed in a detachable manner, and the test of different types of eddy current dampers can be simulated by replacing the fixed cylinder and the rotating cylinder with different size ratios.

[0020] Fourth, the utility model adopts a frequency converter to drive the motor, and additionally arranges a speed sensor to measure the speed of the rotating drum, so as to ensure the accuracy and real-time performance of the speed data on the basis of realizing rapid and dynamic adjustment of the motor speed, and improves the traditional eddy current damper speed point test form into a speed domain test, so as to make the simulation results more accurate and complete. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1-2 It is a structural schematic diagram of the utility model.

[0022] Figure 3 It is a front structural schematic diagram of the utility model.

[0023] Figure 4 This is a schematic diagram of the support assembly structure of the utility model.

[0024] Figure 5 This is a schematic diagram of the structure of the drive module of the utility model.

[0025] In the figure, 1-test bench, 11-bottom plate, 12-linear guide rail 1, 13-linear guide rail 2, 14-slider group 1, 15-slider group 2, 16-slider group 3, 17-slider group 4;

[0026] 2-torque measurement module, 21-sensor seat, 22-torque sensor, 23-fixing cylinder;

[0027] 3-rotation simulation module, 31-rotation cylinder, 32-support assembly, 321-bearing seat, 322-bearing, 323-pressure cover;

[0028] 4-drive module, 41-coupling, 42-key, 43-motor, 44-inverter, 45-speed sensor, 46-motor seat;

[0029] 5-Data acquisition instrument. DETAILED DESCRIPTION

[0030] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0031] Example: Figure 1-5 As shown, an electromagnetic damping simulation test device includes: a test bench, a torque measurement module, a rotation simulation module, a drive module and a data acquisition instrument;

[0032] The bottom plate of the test bench is provided with mounting holes, and the sensor seat, linear guide rail 1 and linear guide rail 2 are fixed to the bottom plate by bolts, linear guide rail 1 and linear guide rail 2 are arranged in parallel, and slider group 1, slider group 2, slider group 3 and slider group 4 are installed on the linear guide rail in sequence, and the slider groups all have self-locking functions, which can be fixed to the linear guide rail after locking, and can slide along the linear guide rail after unlocking.

[0033] The torque measurement module includes a sensor seat, a torque sensor, and a fixed cylinder; the sensor seat and the fixed cylinder are both provided with mounting holes, the torque sensor is a flange structure at both ends, the sensor seat and the fixed cylinder are respectively connected by bolts, and the torque sensor and the fixed cylinder are coaxially installed, and the fixed cylinder is a magnetic material that can absorb magnets.

[0034] The rotation simulation module includes a rotating cylinder and a support assembly. The rotating cylinder is a single-sided open cylinder with a mounting hole at the bottom of the cylinder. It is detachably mounted with two support assemblies, with the cylinder mouth facing the torque measurement module. The two groups of support assemblies are respectively arranged near the cylinder mouth and the cylinder bottom, and are installed on the slider group one and the slider group two by bolts. The support assembly includes a bearing seat, a bearing and a pressure cover. The side of the bearing seat is in an inverted T shape, and a mounting hole is provided at the bottom for connecting with the slider group. A bearing mounting groove is provided on the upper part, and a mounting hole is provided outside the groove. The bearing is installed in the bearing seat mounting groove, and the pressure cover presses the outer ring of the bearing and is fixed to the upper part of the bearing seat by bolts.

[0035] The drive module includes a coupling, a flat key, a motor, a frequency converter, a speed sensor and a motor seat. The motor seat is installed on the slider group three and the slider group four of the test bench by bolts. The motor is installed on the top of the motor seat by bolts. The frequency converter and the speed sensor are installed on the side of the motor seat. The frequency converter control circuit is connected to the motor to control and adjust the speed. The speed sensor detection head faces the rotating cylinder. The data line is connected to the data acquisition instrument to measure the speed of the rotating cylinder in real time. The coupling and the motor are connected as a whole by a flat key, and the coupling and the rotating cylinder are detachably connected together by bolts.

[0036] The data acquisition instrument is connected to the torque sensor and the speed sensor via a data cable, and can measure and record the speed and torque data in real time.

[0037] Working principle:

[0038] Install the fixed cylinder and rotating cylinder with a 1:1 ratio to the eddy current damper to be tested at the corresponding positions of the torque measurement module and the rotating simulation module, move the rotating simulation module and the driving module to completely expose the fixed cylinder, arrange magnets with the same strength and arrangement as those in the eddy current damper on the fixed cylinder, move the rotating simulation module and the driving module until the rotating cylinder completely covers the fixed cylinder, and then lock all the slider groups. Set the inverter drive motor according to the design speed of the eddy current damper to be tested, measure the torque value and the speed value, and simulate the motion state of the eddy current damper during actual operation. The speed can also be divided into multiple gradients, and multi-stage variable speed loading is performed to simulate the motion state of the eddy current damper under various working conditions. When the measurement results do not meet the design requirements, turn off the motor, unlock the slider group, remove the rotating simulation module and the driving module, adjust the magnets on the fixed cylinder, and test again to achieve rapid debugging.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electromagnetic damping simulation test device, characterized in that: The device comprises: a test bench, a torque measurement module, a rotation simulation module, a drive module and a data acquisition instrument, wherein the test bench comprises a bottom plate, a linear guide rail 1, a linear guide rail 2, a slider group 1, a slider group 2, a slider group 3 and a slider group 4, wherein the linear guide rail 1 and the linear guide rail 2 are installed in parallel on the bottom plate, and the slider groups 1 to 4 are slidably arranged on the linear guide rails 1 and 2 in sequence from left to right; The torque measurement module includes a sensor seat, a torque sensor, and a fixing cylinder. The sensor seat is installed on the test bench. The upper end of the sensor seat is connected to one end of the torque sensor. The other end of the torque sensor is installed with a fixing cylinder, and the torque sensor and the fixing cylinder are coaxial. The rotation simulation module includes a rotating cylinder and a support assembly. The support assembly is provided with two groups. The rotating cylinder is detachably mounted on the support assembly. The two groups of support assemblies are respectively mounted on the slider group 1 and the slider group 2. The support assembly includes a bearing seat, a bearing and a pressure cover. The bearing is mounted in the groove of the bearing seat. The pressure cover presses the outer ring of the bearing and is fixedly mounted on the bearing seat. The driving module includes a coupling, a flat key, a motor, a frequency converter, a speed sensor and a motor seat. The motor seat is installed on the slider group three and the slider group four of the test bench. The motor is installed above the motor seat. The frequency converter and the speed sensor are installed on the side of the motor seat. The coupling and the motor are connected as a whole through a flat key. The rotation simulation module and the driving module are detachably connected together through a coupling. The data acquisition instrument is connected to the torque sensor and the speed sensor via a data line.

2. The electromagnetic damping simulation test device according to claim 1, characterized in that: The torque sensor, the fixed cylinder, the rotating cylinder and the motor are arranged on the same axis.

3. The electromagnetic damping simulation test device according to claim 1, characterized in that: The net depth of the rotating cylinder is greater than the length of the fixed cylinder, and a certain gap is left between the fixed cylinder and the rotating cylinder.

4. The electromagnetic damping simulation test device according to claim 1, characterized in that: The slider group 1, the slider group 2, the slider group 3 and the slider group 4 are self-locking and are used to be fixed at any position on the linear guide rail.

5. The electromagnetic damping simulation test device according to claim 1, characterized in that: The rotation speed sensor detection head faces the bottom of the rotating drum.

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