Intelligent motor rotor balancing instrument

Abstract

The utility model discloses an intelligent motor rotor balancing instrument, which comprises a balancing instrument body, a conveyor belt, a moving structure, a clamping structure and a sensing detection structure, and relates to the field of detection instruments. According to the embodiment of the invention, the moving structure is installed, and through the cooperation of all the parts, the motor rotor shaft can be automatically carried and placed on the balancing instrument, so that the manual operation time is shortened; and a sensing detection structure is installed, through cooperation of all parts, when the motor rotor rotates, a sensor can measure signals and transmit data to a balancing instrument for analysis and calculation, the intelligent degree is high, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of detection instruments, in particular to an intelligent motor rotor balancing instrument. Background Art

[0002] The motor rotor balancer is a special device used for motor rotor balance correction. Its main function is to measure and analyze the vibration of the motor rotor, and eliminate or reduce the imbalance of the rotor through corresponding adjustments. When the motor rotor is running, there may be imbalance, which will cause vibration and noise, and even affect the performance and life of the motor. The motor rotor balancer can help detect and locate the imbalance phenomenon and provide an effective solution. However, many existing motor rotor balancers require manual operation and have a low degree of intelligence.

[0003] The existing patent (application number: CN201020564760.2) relates to a crankshaft static balance instrument, including a bed rail, a rail-type static balance test frame is arranged on the bed rail, and the rail-type static balance test frame includes a fixed frame and a movable frame, the fixed frame is fixed on the bed rail, the movable frame is slidably connected to the bed rail, an electric push rod is fixedly connected to the movable frame, and the crankshaft support surfaces at the upper ends of the fixed frame and the movable frame are located in the same horizontal plane. The utility model can detect the static balance of the crankshaft with high sensitivity and high measurement accuracy; by arranging the movable frame and the electric push rod, the electric push rod can be used to adjust the distance between the movable frame and the fixed frame according to the length of the crankshaft, so it is suitable for crankshafts of various sizes and has a wide range of applications; the overall structure is simple, the operation is simple and convenient, and it is easy to execute, but the patent still has at least the following defects during use:

[0004] The balancing instrument does not have the function of automatically loading and unloading the test parts, nor does it have the function of intuitively displaying the measured parameters. The intelligent level of the balancing instrument is low, and the working efficiency is not high. Utility Model Content

[0005] The main purpose of the utility model is to provide an intelligent motor rotor balancing instrument, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] An intelligent motor rotor balancing instrument comprises a balancing instrument body, a conveyor belt, a moving structure, a clamping structure and a sensor detection structure;

[0008] The balancing instrument body is installed on the right side of the conveyor belt, the moving structure is installed on the left side of the conveyor belt and the right side of the balancing instrument body, the clamping structure is installed at the lower end of the moving structure, and the sensing detection structure is installed on the balancing instrument body. The moving structure includes a support seat, a servo motor, a rotating shaft, a pair of limit plates, a slider, an electric slide rail, a first electric push rod, a push plate and a column;

[0009] The support seat is installed on the left side of the conveyor belt, the column is installed on the right side of the balancing instrument, the servo motor is installed on the support seat, a pair of limit plates are symmetrically fixedly installed on the top of the support seat and the left side of the column, the rotating shaft is installed on the servo motor, the electric slide rail is installed between the pair of limit plates, the slider is installed on the electric slide rail, the first electric push rod is fixedly installed on the bottom end of the slider, and the push plate is installed on the first electric push rod.

[0010] Preferably, the clamping structure comprises a pair of connecting plates, a pair of second electric push rods and a pair of clamping blocks;

[0011] The pair of connecting plates are symmetrically mounted on both sides of the bottom end of the push plate, the pair of second electric push rods are symmetrically mounted on the inner sides of the pair of connecting plates, and the pair of clamping blocks are symmetrically mounted on the pair of second electric push rods.

[0012] Preferably, the sensing detection structure includes a display screen, a controller, a balancing instrument fixture and a balancing instrument sensor;

[0013] The balancing instrument fixture is installed on the balancing instrument body, the controller is installed on the balancing instrument body, the display screen is installed on the controller, and the balancing instrument sensor is installed on the balancing instrument fixture.

[0014] Preferably, the moving structure, the clamping structure, the sensing detection structure and the motor rotor shaft to be tested should be at the same horizontal position.

[0015] Preferably, the balancing instrument sensor is a contact sensor, which can be used to detect vibration signals and transmit the signals to the controller.

[0016] Preferably, the controller is connected to the display screen and the controller is a single-board computer made of Raspberry Pi 4B.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. When the mobile structure is installed, the motor rotor shaft can be automatically transported and placed on the balancing instrument through the cooperation between various components, reducing the time of manual operation.

[0019] 2. When the sensor detection structure is installed, through the cooperation between various components, when the motor rotor rotates, the sensor will measure the signal and transmit the data to the balancing instrument for analysis and calculation. It has a high degree of intelligence and improves the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a three-dimensional structural diagram of the clamping structure of the utility model.

[0022] In the figure: 1, servo motor; 2, support seat; 3, conveyor belt; 4, motor rotor shaft; 5, clamping block; 6, second electric push rod; 7, connecting plate; 8, push plate; 9, first electric push rod; 10, slider; 11, rotating shaft; 12, limit plate; 13, electric slide rail; 14, electric slide rail; 15, controller; 16, balancer fixture; 17, balancer sensor; 18, balancer body; DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Example

[0027] See also Figure 1-2 , the utility model provides a technical solution:

[0028] An intelligent motor rotor balancing instrument, comprising a balancing instrument body 18, a conveyor belt 3, a moving structure, a clamping structure and a sensor detection structure;

[0029] like Figure 1 As shown, specifically, the balancing instrument body 18 is installed on the right side of the conveyor belt 3, the mobile structure is installed on the left side of the conveyor belt 3 and the right side of the balancing instrument body 18, the clamping structure is installed at the lower end of the mobile structure, and the sensor detection structure is installed on the balancing instrument body 18. The mobile structure includes a support seat 2, a servo motor 1, a rotating shaft 11, a pair of limit plates 12, a slider 10, an electric slide rail 13, a first electric push rod 9, a push plate 8 and a column;

[0030] like Figure 1 As shown, specifically, the support seat 2 is installed on the left side of the conveyor belt 3, the column is installed on the right side of the balancing instrument, the servo motor 1 is installed on the support seat 2, a pair of limit plates 12 are symmetrically fixedly installed on the top of the support seat 2 and the left side of the column, the rotating shaft 11 is installed on the servo motor 1, the electric slide rail 13 is installed between the pair of limit plates 12, the slider 10 is installed on the electric slide rail 13, the first electric push rod 9 is fixedly installed at the bottom end of the slider 10, and the push plate 8 is installed on the first electric push rod 9.

[0031] like Figure 1 As shown, specifically, the clamping structure includes a pair of connecting plates 7, a pair of second electric push rods 6 and a pair of clamping blocks 5;

[0032] The pair of connecting plates 7 are symmetrically mounted on both sides of the bottom end of the push plate 8 , the pair of second electric push rods 6 are symmetrically mounted on the inner sides of the pair of connecting plates 7 , and the pair of clamping blocks 5 are symmetrically mounted on the pair of second electric push rods 6 .

[0033] like Figure 1 As shown, specifically, the sensing detection structure includes a display screen 14, a controller 15, a balancing instrument fixture 16 and a balancing instrument sensor 17;

[0034] The balancer fixture 16 is mounted on the balancer body 18 , the controller 15 is mounted on the balancer body 18 , the display screen 14 is mounted on the controller 15 , and the balancer sensor 17 is mounted on the balancer fixture 16 .

[0035] like Figure 1 Specifically, the moving structure, the clamping structure, the sensing structure and the motor rotor shaft 4 to be tested should be at the same horizontal position.

[0036] like Figure 1 As shown, specifically, the balance sensor 17 is a contact sensor, which can be used to detect vibration signals and transmit the signals to the controller 15 .

[0037] like Figure 1 As shown, specifically, the controller 15 is connected to the display screen 14 and the controller 15 is a single board computer made of Raspberry Pi 4B (Raspberry).

[0038] like Figure 1 As shown, in this embodiment, the motor rotor shaft 4 is transported to a suitable position by the conveyor belt 3, and the direction and position of the clamping structure are adjusted by the moving structure. Then, the motor rotor shaft 4 is clamped by the clamping structure and then transported to the sensing detection device on the balancing instrument body 18. The parameter data of the motor rotor shaft 4 can be obtained through the sensing detection device. The principle of the moving structure is to start the servo motor 1, and the servo motor 1 drives the rotating shaft 11 to rotate, thereby controlling the slider 10 on the electric slide rail 13 to complete horizontal movement along the slide rail, and complete the telescopic movement by starting the first electric push rod 9 to achieve vertical movement. The clamping structure connected to the first electric push rod 9 clamps the motor rotor shaft 4 to be tested and then puts it into the balancing instrument body 18 through the moving structure to complete the detection. This process does not require manpower, thereby reducing the time of manual operation.

[0039] In this embodiment, after the moving structure has adjusted its position, the two second electric push rods 6 of the clamping structure extend and retract to move the two clamping blocks 5 connected thereto closer together, thereby clamping the rotor shaft 4 of the motor to be tested.

[0040] In this embodiment, the balancing instrument sensor 17 of the sensing detection structure is installed on the balancing instrument clamp 16. By starting the balancing instrument body 18, the balancing instrument clamp 16 is pressed thereon to rotate. The signal can be transmitted to the controller 15 through the balancing instrument sensor 17. The controller 15 calculates and analyzes the data and then reflects it on the display screen 14. The intelligent degree is high and the detection efficiency is improved.

[0041] As described above, the moving structure, the clamping structure and the sensing detection structure are in the same horizontal direction for easy transportation and installation, and the whole process can be completed normally, and the motor rotor shaft 4 can be placed in the correct position normally; the balancing instrument sensor 17 is a sensor that measures the vibration signal when the motor rotor rotates and displays it in digital form. It can measure the amplitude, frequency and other parameters of the vibration to understand the imbalance of the rotor and transmit the data to the balancing instrument for analysis and calculation; the controller 15 is connected to the display screen 14, and the controller 15 is made of a single-board computer. The single-board computer should preferably be made of Raspberry Pi 4B (Raspberry), which is equipped with a quad-core AM [Cortex-A72CPU, 1GB, 2GB or 4GB RM[ is available for selection. It has powerful computing power and high-speed data processing capabilities in a small size. In addition, Raspberry Pi 4B supports running many operating systems, such as RaspbisUbuntu, Android, etc., and supports multiple programming languages ​​such as Python, C+, Java, etc. It has high flexibility and is suitable for various development needs. At the same time, Raspberry Pi 4B has multiple GPIO pins, which can expand various external sensors and modules, and connect to the switch through software, which can achieve richer functions. 4B has high stability, and the operating system supports automatic updates and remote monitoring, which can ensure the stability and security of the switch. Finally, the hardware cost of Raspberry Pi 4B is relatively low, and it can make full use of open source community resources to reduce development and maintenance costs.

[0042] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An intelligent motor rotor balancing instrument, characterized in that: It comprises a balancing instrument body (18), a conveyor belt (3), a moving structure, a clamping structure and a sensor detection structure; The balancing instrument body (18) is installed on the right side of the conveyor belt (3), the moving structure is installed on the left side of the conveyor belt (3) and the right side of the balancing instrument body (18), the clamping structure is installed at the lower end of the moving structure, and the sensor detection structure is installed on the balancing instrument body (18), and the moving structure includes a support seat (2), a servo motor (1), a rotating shaft (11), a pair of limit plates (12), a slider (10), an electric slide rail (13), a first electric push rod (9), a push plate (8) and a column; The support seat (2) is installed on the left side of the conveyor belt (3), the column is installed on the right side of the balancing instrument, the servo motor (1) is installed on the support seat (2), a pair of limit plates (12) are symmetrically fixedly installed on the top of the support seat (2) and the left side of the column, the rotating shaft (11) is installed on the servo motor (1), the electric slide rail (13) is installed between the pair of limit plates (12), the slider (10) is installed on the electric slide rail (13), the first electric push rod (9) is fixedly installed on the bottom end of the slider (10), and the push plate (8) is installed on the first electric push rod (9).

2. The intelligent motor rotor balancing instrument according to claim 1, characterized in that: The clamping structure comprises a pair of connecting plates (7), a pair of second electric push rods (6) and a pair of clamping blocks (5); The pair of connecting plates (7) are symmetrically mounted on both sides of the bottom end of the push plate (8), the pair of second electric push rods (6) are symmetrically mounted on the inner sides of the pair of connecting plates (7), and the pair of clamping blocks (5) are symmetrically mounted on the pair of second electric push rods (6).

3. The intelligent motor rotor balancing instrument according to claim 1, characterized in that: The sensing detection structure comprises a display screen (14), a controller (15), a balancing instrument fixture (16) and a balancing instrument sensor (17); The balancing instrument fixture (16) is mounted on the balancing instrument body (18), the controller (15) is mounted on the balancing instrument body (18), the display screen (14) is mounted on the controller (15), and the balancing instrument sensor (17) is mounted on the balancing instrument fixture (16).

4. The intelligent motor rotor balancing instrument according to claim 1, characterized in that: The moving structure, the clamping structure, the sensing detection structure and the motor rotor shaft (4) to be tested should be at the same horizontal position.

5. The intelligent motor rotor balancing instrument according to claim 3 is characterized in that: The balancer sensor (17) is a contact sensor, which can be used to detect vibration signals and transmit the signals to the controller (15).

6. The intelligent motor rotor balancing instrument according to claim 3, characterized in that: The controller (15) is connected to the display screen (14) and the controller (15) is a single-board computer made of Raspberry Pi 4B.

Images