Rotor dynamic balance testing device

Abstract

The utility model relates to the technical field of balance detection, and discloses a rotor dynamic balance testing device which comprises a base, one side of the base is fixedly connected with a motor box, the interior of the motor box is fixedly connected with an adjusting assembly, and the adjusting assembly comprises a servo motor A, a transmission rod and a threaded rod. A moving plate is slidably connected to the surface of the base, a supporting plate is fixedly connected to one side of the surface of the base, and buffering assemblies are fixedly connected to the interiors of the moving plate and the supporting plate. According to the rotor dynamic balance testing device, through arrangement of the limiting assembly and the buffer assembly, during use, a rotor body is placed in a sleeve, the sleeve is limited, the rotor body is prevented from deviating during use of the device, and during detection, a damping hydraulic rod and a buffer spring are matched with each other to reduce vibration caused by operation of the device; the accuracy and stability of the test device are protected, and the test result is prevented from being interfered by vibration.

Description

Technical Field

[0001] The utility model relates to the technical field of balance detection, in particular to a rotor dynamic balance testing device. Background Art

[0002] The rotor of a motor is the core component of the motor. During the production and processing of the motor, the rotor needs to be dynamically balanced to ensure the stable use of the rotor production. However, the existing rotor dynamic balancing test device has the following problems: the existing rotor dynamic balancing device is prone to the problem of the rotor moving to both sides when testing the rotor, and the existing rotor is not convenient to install when dynamically balancing the side.

[0003] A rotor dynamic balancing test device disclosed in announcement number CN212903724U comprises a support frame, the support frame is generally in a U-shaped structure, a rotor is arranged at the top of the support frame, support rods are arranged at positions aligned with the ends of the rotor on both sides of the top of the support frame, a motor is arranged on the inner side of the support frame, an electric push rod is arranged between the bottom of the motor and the upper surface of the support frame, the electric push rod, the motor and the support frame are all connected together by bolts. The utility model solves the problem that the rotor of the existing rotor dynamic balancing device is prone to move to both sides when the rotor is tested, and the problem that the existing rotor is inconvenient to install when dynamically balancing the side. By improving and optimizing the structure of the dynamic balancing test device, the dynamic balancing test device is convenient for limiting the rotor, which is convenient for the rotor to be stable during the dynamic balancing test, and the rotor dynamic balancing test device is convenient for installing and using the rotor.

[0004] Although the above patent has achieved the goal of improving and optimizing the structure of the dynamic balancing test device, making it convenient for the dynamic balancing test device to limit the rotor, facilitating the stability of the rotor during the dynamic balancing test, and the rotor dynamic balancing test device is easy to install and use the rotor; however, the device lacks a buffer component, and the device will produce certain vibrations when in use, affecting the test results.

[0005] Therefore, it is necessary to invent a rotor dynamic balancing test device to solve the above problems. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] The technical problem solved by the utility model is to provide a rotor dynamic balancing test device which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problem in the above-mentioned background technology that there is a lack of buffer components and the device will generate certain vibrations when in use, thus affecting the test results.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the utility model is implemented through the following technical solutions: a rotor dynamic balancing test device, comprising a base, one side of the base is fixedly connected to a motor box, the inside of the motor box is fixedly connected to an adjustment component, the adjustment component comprises a servo motor A, the servo motor A, a transmission rod and a threaded rod, the surface of the base is slidably connected to a movable plate, one side of the surface of the base is fixedly connected to a support plate, the insides of the movable plate and the support plate are both fixedly connected to a buffer component, the buffer component comprises several groups of damping hydraulic rods and several groups of buffer springs, the inner sides of the surfaces of the support plates of the movable plate are slidably connected to support frames, the inner walls of the two groups of the support frames are fixedly connected to limit assemblies, and the two groups of the limit assemblies each comprise a rotating shaft and a sleeve.

[0010] As a further solution of the utility model, the output end of the servo motor A is spline-connected with a transmission rod, one end of the transmission rod is fixedly connected with a threaded rod, and the threaded rod is used to rotate so that the device can move.

[0011] As a further solution of the utility model, several groups of the damping hydraulic rods are fixedly connected to the inside of the moving plate and the support plate, and several groups of the damping hydraulic rods are fixedly connected to the outside with buffer springs, which are used for buffering and reducing the vibration caused by the device.

[0012] As a further solution of the utility model, the two groups of rotating shafts are fixedly connected to the inner wall of the support frame, and the interiors of the two groups of rotating shafts are fixedly connected with sleeves, which are used for limiting position.

[0013] As a further solution of the utility model, a motor box is fixedly connected to the surface of the base, a servo motor B is fixedly connected to the inside of the motor box, and an output end of the servo motor B is spline-connected to a rotating rod, which is used for rotation.

[0014] As a further solution of the utility model, one end of the rotating rod is fixedly connected to a rotating wheel, and a conveyor belt is overlapped and connected to the surface of the rotating wheel, and the rotating wheel is used to drive the rotor body to rotate.

[0015] As a further solution of the utility model, the interiors of the two groups of sleeves are sleeved and connected with connecting rods, and one end of the two groups of connecting rods is fixedly connected to the rotor body.

[0016] (III) Beneficial effects

[0017] The utility model provides a rotor dynamic balancing test device, which has the following beneficial effects:

[0018] 1. The rotor dynamic balancing test device, through the setting of the limit assembly and the buffer assembly, places the rotor body inside the sleeve when in use, limits the sleeve, and prevents the rotor body from shifting when the device is in use. During the test, the damping hydraulic rod and the buffer spring cooperate with each other to reduce the vibration caused by the operation of the device, protect the accuracy and stability of the test device, and avoid interference with the test results due to vibration.

[0019] 2. The rotor dynamic balancing test device, through the setting of the adjustment component, when in use, starts the servo motor A, the servo motor A rotates to drive the transmission rod to rotate, the transmission rod rotates to drive the threaded rod to rotate, the threaded rod rotates to make the movable plate move left and right on the threaded rod, so that the device can be suitable for rotors of different sizes, and at the same time ensure the safe operation of the rotor in the test device, avoiding safety hazards caused by unstable installation. 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 schematic diagram of the structure of the buffer component of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the servo motor B of the utility model.

[0024] In the figure: 1. base; 2. motor box; 3. adjustment assembly; 301. servo motor A; 302. transmission rod; 303. threaded rod; 4. moving plate; 5. support plate; 6. buffer assembly; 601. damping hydraulic rod; 602. buffer spring; 7. support frame; 8. limit assembly; 801. rotating shaft; 802. sleeve; 9. motor box; 10. servo motor B; 11. rotating rod; 12. rotating wheel; 13. conveyor belt; 14. connecting rod; 15. rotor body. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 4The utility model provides a technical solution: a rotor dynamic balancing test device, comprising a base 1, a motor box 2 is fixedly connected to one side of the base 1, an adjusting component 3 is fixedly connected inside the motor box 2, and the adjusting component 3 is used to adjust so that the device can operate normally, the adjusting component 3 comprises a servo motor A301, the servo motor A301, a transmission rod 302 and a threaded rod 303, a moving plate 4 is slidably connected to the surface of the base 1, a support plate 5 is fixedly connected to one side of the surface of the base 1, and a buffer component 6 is fixedly connected to the inside of the moving plate 4 and the support plate 5, and the vibration caused by the device is reduced by the setting of the buffer component 6, the buffer component 6 comprises a plurality of groups of damping hydraulic rods 601 and a plurality of groups of buffer springs 602, the inner sides of the surfaces of the support plates 5 of the moving plate 4 are slidably connected to support frames 7, the inner walls of the two groups of support frames 7 are fixedly connected to the limiting components 8, and the rotor body 15 is prevented from falling off by the setting of the limiting components 8, and the two groups of limiting components 8 each comprise a rotating shaft 801 and a sleeve 802;

[0027] See also Figure 3 The output end of the servo motor A301 is spline-connected with a transmission rod 302, and one end of the transmission rod 302 is fixedly connected with a threaded rod 303, and the threaded rod 303 is used to rotate so that the device can move;

[0028] See also Figure 2 , several groups of damping hydraulic rods 601 are fixedly connected to the inside of the moving plate 4 and the supporting plate 5, and the outer sides of several groups of damping hydraulic rods 601 are fixedly connected with buffer springs 602, and the buffer springs 602 are used for buffering to reduce the vibration driven by the device;

[0029] See also Figure 2 , the two sets of rotating shafts 801 are fixedly connected to the inner wall of the support frame 7, and the interiors of the two sets of rotating shafts 801 are fixedly connected with sleeves 802, and the sleeves 802 are used for limiting;

[0030] See also Figure 4 The surface of the base 1 is fixedly connected with a motor box 9, and the interior of the motor box 9 is fixedly connected with a servo motor B10. The output end of the servo motor B10 is spline-connected with a rotating rod 11, and the rotating rod 11 is used for rotation;

[0031] See also Figure 1 One end of the rotating rod 11 is fixedly connected to a rotating wheel 12, and a conveyor belt 13 is overlapped and connected to the surface of the rotating wheel 12. The rotating wheel 12 is used to drive the rotor body 15 to rotate;

[0032] See also Figure 1 The interiors of the two sets of sleeves 802 are both sleeved with connecting rods 14 , and one end of the two sets of connecting rods 14 is fixedly connected to the rotor body 15 .

[0033] In the utility model, the working steps of the device are as follows:

[0034] Step 1: When in use, the rotor body 15 is placed inside the sleeve 802, and the sleeve 802 is limited to prevent the rotor body 15 from shifting when the device is in use. When testing, the damping hydraulic rod 601 and the buffer spring 602 cooperate with each other to reduce the vibration caused by the operation of the device, protect the accuracy and stability of the test device, and avoid interference with the test results due to vibration;

[0035] The second step: when in use, start the servo motor A301, the servo motor A301 rotates to drive the transmission rod 302 to rotate, the transmission rod 302 rotates to drive the threaded rod 303 to rotate, the threaded rod 303 rotates to make the movable plate 4 move left and right on the threaded rod 303, so that the device can be suitable for rotors of different sizes.

[0036] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0037] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotor dynamic balancing test device, comprising a base (1), characterized in that: A motor box (2) is fixedly connected to one side of the base (1), an adjustment assembly (3) is fixedly connected inside the motor box (2), and the adjustment assembly (3) comprises a servo motor A (301), the servo motor A (301), a transmission rod (302) and a threaded rod (303). A movable plate (4) is slidably connected to the surface of the base (1), a support plate (5) is fixedly connected to one side of the surface of the base (1), a buffer assembly (6) is fixedly connected inside the movable plate (4) and the support plate (5), and the buffer assembly (6) comprises a plurality of groups of damping hydraulic rods (601) and a plurality of groups of buffer springs (602). A support frame (7) is slidably connected to the inner side of the surface of the support plate (5) of the movable plate (4), and the inner walls of the two groups of the support frames (7) are fixedly connected to a limit assembly (8), and the two groups of the limit assembly (8) comprise a rotating shaft (801) and a sleeve (802).

2. A rotor dynamic balancing test device according to claim 1, characterized in that: The output end of the servo motor A (301) is spline-connected to a transmission rod (302), and one end of the transmission rod (302) is fixedly connected to a threaded rod (303).

3. A rotor dynamic balancing test device according to claim 1, characterized in that: Several groups of the damping hydraulic rods (601) are fixedly connected to the inside of the moving plate (4) and the supporting plate (5), and the outsides of several groups of the damping hydraulic rods (601) are fixedly connected to buffer springs (602).

4. A rotor dynamic balancing test device according to claim 1, characterized in that: The two groups of rotating shafts (801) are both fixedly connected to the inner wall of the support frame (7), and the interiors of the two groups of rotating shafts (801) are both fixedly connected with sleeves (802).

5. A rotor dynamic balancing test device according to claim 1, characterized in that: A motor box (9) is fixedly connected to the surface of the base (1), and a servo motor B (10) is fixedly connected inside the motor box (9). The output end of the servo motor B (10) is spline-connected to a rotating rod (11).

6. A rotor dynamic balancing test device according to claim 5, characterized in that: One end of the rotating rod (11) is fixedly connected to a rotating wheel (12), and a conveyor belt (13) is overlapped and connected to the surface of the rotating wheel (12).

7. A rotor dynamic balancing test device according to claim 4, characterized in that: The interiors of the two groups of sleeves (802) are sleeved with connecting rods (14), and one end of the two groups of connecting rods (14) is fixedly connected to the rotor body (15).

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