Torque detection system of electric actuator

Abstract

An electric actuator torque detection system is characterized in that the upper end of a main body rack is provided with a mounting panel, the upper end of the mounting panel is provided with a detection flange, and the lower end of the detection flange is provided with a first coupling; the detection flange is in transmission connection with the first coupler; the device further comprises a control cabinet, and a main controller is arranged in the control cabinet. The lower end of the first coupler is connected with a torsion sensor, the torsion sensor is electrically connected with the main controller, and the torsion sensor is used for detecting the torsion value of the electric actuator; a second coupler is connected to the lower portion of the torsion sensor, the second coupler is connected with a magnetic powder brake, the magnetic powder brake is electrically connected with the main controller, and the magnetic powder brake is used for applying preset torque to the electric actuator; the main controller is used for collecting detection data of the torsion sensor and further used for adjusting the torque of the magnetic powder brake. The utility model has the advantages of convenient installation, convenient maintenance and wide universality.

Description

Technical Field

[0001] The utility model relates to a detection system, in particular to a torque detection system for an electric actuator. Background Art

[0002] An electric actuator is a device that controls mechanical motion through an electric signal. Electric actuators can be used in various industrial and commercial applications, such as pipeline control, fluid transportation, robotics, etc. It usually consists of an electric motor, a speed reducer, and / or a torque converter to provide the required mechanical output.

[0003] The torque of an electric actuator refers to the torque generated when the electric actuator is working, and it is an important indicator to measure the torque capacity of the electric actuator. The torque test of an electric actuator usually adopts static and dynamic test methods. Among them, the static test is to measure the mechanical load with a torque sensor and calculate the motor output torque, while the dynamic test is to calculate the motor torque output in real time by reading the motor parameters. The overall height of traditional electric actuator torque detection equipment is too high, making it inconvenient to install the detected products during use, difficult to maintain, and poor in versatility, resulting in low test efficiency and low reliability of the results. Content of the Utility Model

[0004] Therefore, the utility model provides a torque detection system for an electric actuator to solve the problems of inconvenient installation, difficult maintenance, poor versatility, low test efficiency, and low result reliability in the traditional technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A torque detection system for an electric actuator, including a main body frame, an installation panel is arranged at the upper end of the main body frame, a detection flange is arranged at the upper end of the installation panel, and a first coupling is arranged at the lower end of the detection flange; the detection flange and the first coupling are in transmission connection; it also includes a control cabinet, and a main controller is arranged inside the control cabinet;

[0006] A torque sensor is connected to the lower end of the first coupling, and the torque sensor is electrically connected to the main controller. The torque sensor is used to detect the torque value of the electric actuator; a second coupling is connected below the torque sensor, the second coupling is connected to a magnetic powder brake, and the magnetic powder brake is electrically connected to the main controller. The magnetic powder brake is used to apply a preset torque to the electric actuator; the main controller is used to collect the detection data of the torque sensor, and the main controller is also used to adjust the torque of the magnetic powder brake.

[0007] As a preferred solution for the torque detection system of the electric actuator, a cooling water tank is provided on the side of the main body frame. A first cooling water inlet and a first cooling water outlet are provided on the side of the housing of the magnetic powder brake. A second cooling water inlet and a second cooling water outlet are provided on the side of the cooling water tank; a circulation pump is provided inside the cooling water tank, and the circulation pump is electrically connected to the main controller;

[0008] A cooling water input pipeline is connected between the first cooling water inlet and the second cooling water outlet, and a cooling water output pipeline is connected between the first cooling water outlet and the second cooling water inlet; a circulation loop is formed among the cooling water input pipeline, the cooling water tank, the circulation pump, and the cooling water output pipeline;

[0009] The magnetic powder brake is also provided with a temperature sensor, the temperature sensor is electrically connected to the main controller, and the temperature sensor is used to detect the temperature of the magnetic powder brake.

[0010] As a preferred solution for the torque detection system of the electric actuator, a water injection port and a water tank handle are provided at the upper end of the cooling water tank.

[0011] As a preferred solution for the torque detection system of the electric actuator, an installation interface is provided at the upper end of the detection flange, and the detection flange is connected to the power shaft of the output motor of the electric actuator through the installation interface.

[0012] As a preferred solution for the torque detection system of the electric actuator, a strengthening support beam is connected to the lower end of the installation panel, and the strengthening support beams are distributed outside the first coupling.

[0013] As a preferred solution for the torque detection system of the electric actuator, a sensor mounting bracket is connected to the lower end of the strengthening support beam, and the side of the torque sensor is fixedly connected to the sensor mounting bracket.

[0014] As a preferred solution for the torque detection system of the electric actuator, support feet are connected to the bottom of the main body frame; a switch door is connected to the front side of the main body frame.

[0015] As a preferred solution for the torque detection system of the electric actuator, the control cabinet is also provided with a touch display, the touch display is electrically connected to the main controller, and the touch display is used to display the data of the torque detection system of the electric actuator.

[0016] The utility model has the following advantages: an installation panel is provided at the upper end of the main frame; a detection flange is provided at the upper end of the installation panel; a first coupling is provided at the lower end of the detection flange; the detection flange and the first coupling are in transmission connection; a control cabinet is further included, and a main controller is provided inside the control cabinet; a torque sensor is connected to the lower end of the first coupling, and the torque sensor is electrically connected to the main controller, and the torque sensor is used to detect the torque value of the electric actuator; a second coupling is connected below the torque sensor, the second coupling is connected to a magnetic powder brake, and the magnetic powder brake is electrically connected to the main controller, and the magnetic powder brake is used to apply a preset torque to the electric actuator; the main controller is used to collect the detection data of the torque sensor, and the main controller is further used to adjust the torque of the magnetic powder brake. The utility model is designed by means of a direct-connected mechanical structure, which is not only convenient for installation, easy to maintain, and has a more extensive general performance; adopts a vertical mechanical structure, greatly reducing the product height and making it more convenient for the installation and test of the product; can test the torque value, rotational speed and electrical performance of the product to be tested. Description of the Drawings

[0017] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings described below are only exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained according to the provided drawings.

[0018] Figure 1 Structural schematic diagram of the electric actuator torque detection system provided in the embodiment of the present utility model;

[0019] Figure 2 Cross-sectional structural schematic diagram of the electric actuator torque detection system provided in the embodiment of the present utility model;

[0020] Figure 3 Internal structural schematic diagram of the electric actuator torque detection system provided in the embodiment of the present utility model;

[0021] Figure 4 Hardware architecture schematic diagram of the electric actuator torque detection system provided in the embodiment of the present utility model.

[0022] In the figure, 1 is the main body frame; 2 is the mounting panel; 3 is the detection flange; 4 is the first coupling; 5 is the control cabinet; 6 is the main controller; 7 is the torque sensor; 8 is the second coupling; 9 is the magnetic powder brake; 10 is the cooling water tank; 11 is the first cooling water inlet; 12 is the first cooling water outlet; 13 is the second cooling water inlet; 14 is the second cooling water outlet; 15 is the temperature sensor; 16 is the water injection port; 17 is the water tank handle; 18 is the mounting interface; 19 is the reinforcing support beam; 20 is the sensor mounting bracket; 21 is the support foot; 22 is the switch door; 23 is the touch display; 24 is the circulation pump. Detailed implementation manners

[0023] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0024] See Figure 1 , Figure 2 , Figure 3 and Figure 4 , an electric actuator torque detection system provided by an embodiment of the present invention includes a main body frame 1. An upper end of the main body frame 1 is provided with a mounting panel 2. An upper end of the mounting panel 2 is provided with a detection flange 3. A lower end of the detection flange 3 is provided with a first coupling 4; the detection flange 3 and the first coupling 4 are in transmission connection; it further includes a control cabinet 5, and a main controller 6 is arranged inside the control cabinet 5;

[0025] Wherein, a lower end of the first coupling 4 is connected to a torque sensor 7. The torque sensor 7 and the main controller 6 are electrically connected. The torque sensor 7 is used to detect the torque value of the electric actuator; a lower side of the torque sensor 7 is connected to a second coupling 8. The second coupling 8 is connected to a magnetic powder brake 9. The magnetic powder brake 9 and the main controller 6 are electrically connected. The magnetic powder brake 9 is used to apply a preset torque to the electric actuator; the main controller 6 is used to collect the detection data of the torque sensor 7, and the main controller 6 is also used to adjust the torque of the magnetic powder brake 9.

[0026] In this embodiment, an upper end of the detection flange 3 is provided with a mounting interface 18. The detection flange 3 is connected to a power shaft of an output motor of the electric actuator through the mounting interface 18. The control cabinet 5 is further provided with a touch display 23. The touch display 23 and the main controller 6 are electrically connected. The touch display 23 is used to display the data of the electric actuator torque detection system, and at the same time, parameters of the detection system can also be set through the touch display 23.

[0027] Specifically, the motor output shaft of the electric actuator to be measured is dimensionally matched with the detection flange 3 in the detection system. After the matching is completed, it is placed on the detection system for waiting to be detected. Set the torque to be tested for the electric actuator to be measured on the touch display 23 of the control cabinet 5. The main controller 6 in the control cabinet 5 controls the magnetic powder brake 9 to apply force, and compares the torque value detected in real time by the torque sensor 7 with the set torque value of the object to be measured. Through the existing fuzzy PID algorithm, it is adjusted quickly and effectively, so as to make the force of the magnetic powder brake 9 constant with the set torque value.

[0028] Among them, the control cabinet 5 is the main control center of the overall test system. It timely controls the magnetic powder brake 9 to adjust the torque through the main controller 6, and at the same time timely collects the real-time torque collected by the torque sensor 7. During the test process, it will synchronously perform performance tests on the various functional indicators of the object to be measured to ensure that the various functional indicators work normally under the calibrated torque, and can generate test report files for traceability statistics.

[0029] In this embodiment, a cooling water tank 10 is provided on the side of the main body frame 1. The side of the housing of the magnetic powder brake 9 is provided with a first cooling water inlet 11 and a first cooling water outlet 12. The side of the cooling water tank 10 is provided with a second cooling water inlet 13 and a second cooling water outlet 14; a circulation pump 24 is provided inside the cooling water tank 10, and the circulation pump 24 is electrically connected to the main controller 6; a cooling water input pipeline is connected between the first cooling water inlet 11 and the second cooling water outlet 14, and a cooling water output pipeline is connected between the first cooling water outlet 12 and the second cooling water inlet 13; a circulation loop is formed among the cooling water input pipeline, the cooling water tank 10, the circulation pump 24, and the cooling water output pipeline; the magnetic powder brake 9 is also provided with a temperature sensor 15, and the temperature sensor 15 is electrically connected to the main controller 6, and the temperature sensor 15 is used to detect the temperature of the magnetic powder brake 9.

[0030] Specifically, during the test, the magnetic powder brake 9 will generate heat. The temperature of the magnetic powder brake 9 is monitored by the temperature sensor 15. When the temperature of the magnetic powder brake 9 reaches 50 degrees, the circulation pump 24 in the cooling water tank 10 starts. The water in the cooling water tank 10 is transported to the inside of the magnetic powder brake 9 through the cooling water input pipeline, and then flows back to the cooling water tank 10 through the cooling water output pipeline, and is transported to the inside of the magnetic powder brake 9 again by the circulation pump 24 through the cooling water input pipeline, and then cools in the magnetic powder brake 9 to play a role in cooling the magnetic powder brake 9.

[0031] In this embodiment, a water injection port 16 and a water tank handle 17 are provided at the upper end of the cooling water tank 10. The water injection port 16 is used to fill or empty the cooling water in the cooling water tank 10, and the water tank handle 17 facilitates the movement of the cooling water tank 10.

[0032] In this embodiment, a reinforcing support beam 19 is connected to the lower end of the mounting panel 2, and the reinforcing support beam 19 is distributed outside the first coupling 4; a sensor mounting bracket 20 is connected to the lower end of the reinforcing support beam 19, and the side of the torque sensor 7 is fixedly connected to the sensor mounting bracket 20; support feet 21 are connected to the bottom of the main body frame 1; a switch door 22 is connected to the front side of the main body frame 1.

[0033] Specifically, the reinforcing support beam 19 enhances the mounting panel 2, increasing the load-bearing capacity of the mounting panel 2 so as to be compatible with heavy electric actuators. The reinforcing support beam 19 is externally connected to the sensor mounting bracket 20, and the torque sensor 7 is assembled through the sensor mounting bracket 20, making the detection flange 3, the first coupling 4, the torque sensor 7, the second coupling 8, and the magnetic particle brake 9 form a vertical mechanical structure, significantly reducing the product height and making it more convenient for the installation and test experiment of the product. Among them, the support feet 21 support the main body frame 1, and the switch door 22 facilitates the maintenance of the main body frame 1.

[0034] In summary, an installation panel 2 is provided at the upper end of the main frame 1 of the utility model. A detection flange 3 is provided at the upper end of the installation panel 2. A first coupling 4 is provided at the lower end of the detection flange 3. The detection flange 3 and the first coupling 4 are in transmission connection. It also includes a control cabinet 5, and a main controller 6 is provided inside the control cabinet 5. A torque sensor 7 is connected to the lower end of the first coupling 4. The torque sensor 7 and the main controller 6 are electrically connected. The torque sensor 7 is used to detect the torque value of the electric actuator. A second coupling 8 is connected below the torque sensor 7. The second coupling 8 is connected to a magnetic powder brake 9. The magnetic powder brake 9 and the main controller 6 are electrically connected. The magnetic powder brake 9 is used to apply a preset torque to the electric actuator. The main controller 6 is used to collect the detection data of the torque sensor 7. The main controller 6 is also used to adjust the torque of the magnetic powder brake 9. The motor output shaft of the measured electric actuator is dimensionally matched with the detection flange 3 in the detection system. After the matching is completed, it is placed on the detection system for testing. Set the torque required for the measured electric actuator on the touch display 23 of the control cabinet 5. Control the magnetic powder brake 9 to apply force through the main controller 6 in the control cabinet 5, and compare the torque value detected in real time by the torque sensor 7 with the torque value set for the measured object for testing. Through the existing fuzzy PID algorithm, adjust quickly and effectively, so as to make the force of the magnetic powder brake 9 constant with the set torque value. The control cabinet 5 is the main control center of the overall test system. The main controller 6 controls the magnetic powder brake 9 to adjust the torque in real time, and at the same time collects the real-time torque collected by the torque sensor 7 in real time. And during the test process, the performance of each functional index of the measured object will be synchronously tested to ensure that each functional index works normally under the calibrated torque, and a test report file can be generated for traceability statistics. During the test process, the magnetic powder brake 9 will generate heat. The temperature of the magnetic powder brake 9 is monitored by a temperature sensor 15. When the temperature of the magnetic powder brake 9 reaches 50 degrees, the circulation pump 24 in the cooling water tank 10 starts. The water in the cooling water tank 10 is transported to the inside of the magnetic powder brake 9 through the cooling water input pipeline, and then flows back to the cooling water tank 10 through the cooling water output pipeline, and is transported to the inside of the magnetic powder brake 9 again by the circulation pump 24 through the cooling water input pipeline, and then cools in the magnetic powder brake 9. Cycle to play a role in cooling the magnetic powder brake 9. The utility model is designed by a direct-connected mechanical structure method, which is not only convenient for installation, easy to maintain, and has a more extensive general performance; adopts a vertical mechanical structure, which greatly reduces the product height and is more convenient for the installation and test of the product to be detected; can test the torque value, rotational speed and electrical performance of the experimental product.

[0035] Although the present utility model has been described in detail above with general descriptions and specific embodiments, modifications or improvements can be made thereto based on the present utility model, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present utility model all fall within the scope of protection required by the present utility model.

Claims

1. An electric actuator torque detection system, characterized in that, It includes a main frame (1), an installation panel (2) is provided at the upper end of the main frame (1), a detection flange (3) is provided at the upper end of the installation panel (2), and a first coupling (4) is provided at the lower end of the detection flange (3); the detection flange (3) and the first coupling (4) are in transmission connection; it also includes a control cabinet (5), and a main controller (6) is provided inside the control cabinet (5); The lower end of the first coupling (4) is connected to a torque sensor (7), the torque sensor (7) is electrically connected to the main controller (6), and the torque sensor (7) is used to detect the torque value of the electric actuator; a second coupling (8) is connected below the torque sensor (7), the second coupling (8) is connected to a magnetic powder brake (9), the magnetic powder brake (9) is electrically connected to the main controller (6), and the magnetic powder brake (9) is used to apply a preset torque to the electric actuator; the main controller (6) is used to collect the detection data of the torque sensor (7), and the main controller (6) is also used to adjust the torque of the magnetic powder brake (9).

2. The torque detection system of an electric actuator according to claim 1, characterized in that A cooling water tank (10) is provided on the side of the main frame (1), a first cooling water inlet (11) and a first cooling water outlet (12) are provided on the side of the housing of the magnetic powder brake (9), and a second cooling water inlet (13) and a second cooling water outlet (14) are provided on the side of the cooling water tank (10); a circulation pump (24) is provided inside the cooling water tank (10), and the circulation pump (24) is electrically connected to the main controller (6); A cooling water input pipeline is connected between the first cooling water inlet (11) and the second cooling water outlet (14), and a cooling water output pipeline is connected between the first cooling water outlet (12) and the second cooling water inlet (13); a circulation loop is formed among the cooling water input pipeline, the cooling water tank (10), the circulation pump (24), and the cooling water output pipeline; The magnetic powder brake (9) is also provided with a temperature sensor (15), the temperature sensor (15) is electrically connected to the main controller (6), and the temperature sensor (15) is used to detect the temperature of the magnetic powder brake (9).

3. The torque detection system of an electric actuator according to claim 2, wherein A water injection port (16) and a water tank handle (17) are provided at the upper end of the cooling water tank (10).

4. The torque detection system of an electric actuator according to claim 1, characterized in that, An installation interface (18) is provided at the upper end of the detection flange (3), and the detection flange (3) is connected to the power shaft of the output motor of the electric actuator through the installation interface (18).

5. The torque detection system of an electric actuator according to claim 1, wherein A reinforcing support beam (19) is connected to the lower end of the installation panel (2), and the reinforcing support beam (19) is distributed outside the first coupling (4).

6. The torque detection system of an electric actuator according to claim 5, wherein, The lower end of the reinforcing support beam (19) is connected to a sensor mounting bracket (20), and the side of the torque sensor (7) is fixedly connected to the sensor mounting bracket (20).

7. The torque detection system of an electric actuator according to claim 1, characterized in that, Support feet (21) are connected to the bottom of the main frame (1); a switch door (22) is connected to the front side of the main frame (1).

8. The torque detection system of an electric actuator according to claim 1, wherein, The control cabinet (5) is also provided with a touch display (23), which is electrically connected to the main controller (6), and the touch display (23) is used to display the data of the electric actuator torque detection system.

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