A splash-proof mechanical safety brake for a rotary tuning tester

Abstract

This utility model relates to the field of dynamic balancing testing, and more particularly to a splash-proof mechanical safety brake for a rotary balancing tester. It includes a platform, protective plates, and a turntable. Protective plates arranged in a circular array are rotatably mounted on the outer ring of one side of the platform. A mounting base is provided at the lower end of the platform, and the protective plates are rotatably mounted between the mounting bases. Bevel gears are provided on the outer walls of both sides of the mounting bases, with adjacent bevel gears meshing in pairs. A second motor is located at the lower end of the platform, and a turntable is rotatably mounted in the middle of the upper part of the platform. This device has automatic synchronous deployment of protection and rotary dynamic balancing testing functions. It solves the safety problem in existing high-speed rotational testing where workpieces may splash out due to centrifugal force, causing equipment damage or personal injury, effectively improving the safety and reliability of the testing process.

Description

Technical Field

[0001] This utility model relates to the field of dynamic balance testing, and in particular to a splash-proof mechanical safety brake for a rotary balance tester. Background Technology

[0002] Dynamic balancing is a technique used to determine whether the mass distribution of rotating mechanical components (such as rotors, impellers, and spindles) is uniform. By detecting the centrifugal force and vibration caused by uneven mass during rotation, the location and magnitude of the imbalance are identified, and correction is made by adding or removing weight to ensure smooth and safe operation of the equipment at high speeds, reduce wear and vibration, and extend its service life.

[0003] A search revealed patent publication number CN214334135U, which discloses a dynamic balancing detection and compensation structure for an automatic balancing machine, relating to the field of generator rotor processing equipment. Addressing the problem that manual operation is inefficient and prone to product quality degradation during dynamic balancing detection and compensation of generator rotors, this invention proposes the following solution: It includes an operating platform, support frames, a magnetoelectric velocity sensor, and a compensation mechanism. Two identical support frames are fixedly mounted on the top of the operating platform. A servo motor, a magnetoelectric velocity sensor, and the compensation mechanism are mounted on the top of the operating platform. Both support frames are equipped with identical drive shafts, pulleys, and rack and pinion belts. This novel structure solves the problems of low accuracy, low efficiency, and product quality degradation associated with manual operation during dynamic balancing detection and compensation of generator rotors, making it suitable for widespread application.

[0004] While existing technologies can achieve certain dynamic balancing testing effects, they suffer from drawbacks. In high-speed rotation testing, workpieces may splash out due to centrifugal force, causing equipment damage or personal injury. To address these safety concerns and effectively improve the safety and reliability of the testing process, we propose a splash-proof mechanical safety brake for the rotation tester, solving the aforementioned problems. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a splash-proof mechanical safety brake for a rotary testing instrument.

[0006] The technical solution of this utility model is as follows: a splash-proof mechanical safety brake for a rotary testing instrument, comprising a platform, a protective plate, and a turntable. The protective plates are rotatably mounted in a circular array on one side of the platform. A mounting base is provided at the lower end of the platform. The protective plates are rotatably mounted between the mounting bases. Bevel gears are provided on the outer walls of both sides of the mounting base. Two adjacent bevel gears mesh with each other. A second motor is provided at the lower end of the platform. A turntable is rotatably mounted in the middle of the upper end of the platform.

[0007] When using this device, the object to be rotated and dynamically balanced is placed in the middle of the upper part of the turntable. Then, the rotation center of the object is fixed by an external retainer. When the motor is started, it drives the turntable and the object on the upper part of the turntable to rotate. When the motor reaches a certain speed, the control gate will open, and then drive the second motor to drive the protective plates to rotate upward (under the meshing of the bevel gears, the four protective plates will rotate upward simultaneously). This can prevent the rotating object from splashing due to centrifugal force. After the test is completed, the second motor drives the protective plates to return to their original position, completing one work cycle.

[0008] Preferably, the upper surface of the platform is provided with an annular guide rail, and the lower end of the turntable is provided with rollers arranged in an annular array. The rollers are rotatably mounted on the lower end of the turntable by a bracket, and the rollers are inserted into the guide rail. Through the cooperation between the rollers and the annular guide rail, the turntable is provided with stable radial support and precise rotation guidance, which effectively reduces the shaking and eccentric force during rotation, ensures the smoothness of rotation, and thus improves the accuracy of dynamic balance detection.

[0009] Preferably, a motor is fixed at the lower center of the platform, and the output shaft of the motor is fixedly connected to the rotation center of the lower end of the turntable. The motor is directly connected to the center of the turntable for driving, which ensures direct and efficient power transmission, sufficient and stable driving torque, and avoids problems such as slippage and vibration that may be caused by indirect transmission such as belts, thus ensuring the accuracy and stability of the test speed.

[0010] Preferably, a mounting bracket is fixed to the lower end of the platform, and the second motor is fixed to the outer wall of one side of the mounting bracket. The output shaft of the second motor is fixedly connected to the rotation center of one of the bevel gears. The mounting bracket provides a solid mounting foundation for the second motor, ensuring the stability of the power output. Directly connecting the second motor to one of the bevel gears simplifies the transmission chain, improves transmission efficiency and accuracy, and ensures the synchronicity of the movement of each protective plate.

[0011] Preferably, there are a total of eight bevel gears, with each pair of bevel gears meshing at a 90-degree angle. The eight bevel gears meshing at 90-degree angles in pairs form a symmetrical and uniformly distributed closed transmission network, which allows power to be transmitted smoothly and synchronously to each protective plate, avoiding asynchronous or jammed movements and making the operation more reliable.

[0012] Preferably, a retainer is provided above the platform, a base is provided at the lower end of the platform, and a control gate is provided on one outer wall of the platform. The retainer is used to fix the rotation center of the workpiece, which is a prerequisite for effective detection. The object to be detected is located above the device and is not shown in the figure. To ensure that the position of the rotating object remains unchanged, the retainer is installed at the lower end of the object to be detected. The base provides overall support and stability. The control gate facilitates centralized operation, realizes automatic control of equipment start-up, shutdown, and protection functions, and improves the convenience of operation and human-machine interaction.

[0013] Preferably, a protective pad is fixed to the lower end of the tabletop, and a buffer plate is provided on the outer wall of the tabletop. A spring is fixed between the buffer plate and the tabletop. The protective pad can absorb minor vibrations and noise generated during equipment operation. The buffer plate and spring structure can effectively reduce the impact of accidental collisions on the tabletop and internal structure, playing a dual role of protecting the equipment and reducing operating noise, thus extending the service life of the equipment.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] I. This utility model achieves synchronous, smooth, and rapid deployment and retraction of multiple protective plates by setting up a linkage protective plate structure driven by a single motor and transmitted through multiple sets of bevel gears meshing in pairs. Traditional rotating dynamic balancing testing equipment's protective devices are mostly manually operated or independently electrically controlled, resulting in problems such as response delay, asynchrony, large space occupation, or complex structure. This utility model sets bevel gears on both sides of the mounting base under the platform, with adjacent bevel gears meshing in pairs at a 90-degree angle to form a circular synchronous transmission chain. When the motor at the bottom of the platform starts, its power output is sent to one of the bevel gears, and through this meshing network, it is instantly and equally transmitted to all connected bevel gears, thereby driving all the protective plates hinged between the mounting bases to achieve synchronous rotational movement without delay. This design not only has high mechanical efficiency and rapid response, ensuring precise matching between the protective action and the rotation acceleration process, but also achieves multi-point control with a single drive source, greatly simplifying the mechanical structure and electrical control system, and reducing manufacturing costs and failure rates.

[0016] Second, based on the first beneficial effect, the operator only needs to issue a single control gate command to automatically trigger motor two, causing the circular array of protective plates to rotate upwards to a closed state, forming a reliable protective barrier, before motor one drives the turntable and workpiece to rotate at high speed. This process requires no manual intervention, completely avoiding safety hazards caused by operator forgetfulness or untimely manual operation. After inspection, the protective plates can automatically and synchronously reset, making room for workpiece loading and unloading, and smoothly integrating into the work cycle. This automated process of "inspection as protection, completion as reset" not only significantly improves the safety protection level of the equipment and eliminates centrifugal splash accidents, but also greatly improves the overall efficiency and automation of the inspection work, especially suitable for frequent and continuous batch inspection scenarios.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0019] Figure 2 This is a bottom view of the present invention;

[0020] Figure 3 This is a schematic diagram showing the protective plate of this utility model being retracted;

[0021] Figure 4 This is a top view of the present invention;

[0022] Figure 5 For the present utility model Figure 2 Enlarged schematic diagram of structure A in the middle.

[0023] Figure label:

[0024] 1. Tabletop; 2. Protective plate; 3. Cage; 4. Turntable; 5. Control gate; 6. Base; 7. Motor 1; 8. Protective pad; 9. Buffer plate; 10. Spring; 11. Guide rail; 12. Roller; 13. Mounting base; 14. Motor 2; 15. Fixing bracket; 16. Bevel gear. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more readily understood, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0029] Example 1

[0030] Please see Figures 1-5 As shown, this embodiment is a splash-proof mechanical safety brake for a rotary testing instrument, including a platform 1, a protective plate 2, and a turntable 4. The protective plates 2 are rotatably mounted in a circular array on one side of the platform 1. The lower end of the platform 1 is provided with a mounting base 13, and the protective plates 2 are rotatably mounted between the mounting bases 13. The outer walls on both sides of the mounting base 13 are provided with bevel gears 16, and two adjacent bevel gears 16 mesh in pairs. The lower end of the platform 1 is provided with a motor 14, and the turntable 4 is rotatably mounted in the middle of the upper end of the platform 1.

[0031] When using this device, the object to be rotated and dynamically balanced is placed in the middle of the upper part of the turntable 4. The rotation center of the object is then fixed by the external retainer 3. Then, motor 7 is started, driving the turntable 4 and the object on the upper part of the turntable 4 to rotate. When motor 7 reaches a certain speed, the control gate 5 will open, and then drive motor 14 to drive the protective plate 2 to rotate upward (under the meshing of the bevel gears 16, the four protective plates 2 will rotate upward simultaneously), which can prevent the rotating object from centrifugal splashing. After the test is completed, motor 14 drives the protective plate 2 to return to its original position, completing one work cycle.

[0032] The upper surface of the platform 1 is provided with an annular guide rail 11, and the lower end of the turntable 4 is provided with rollers 12 arranged in an annular array. The rollers 12 are rotatably mounted on the lower end of the turntable 4 by means of a bracket. The rollers 12 are inserted into the guide rail 11. Through the cooperation between the rollers 12 and the annular guide rail 11, the turntable 4 is provided with stable radial support and precise rotation guidance, which effectively reduces the shaking and eccentric force during rotation, ensures the smoothness of rotation, and thus improves the accuracy of dynamic balance detection.

[0033] Example 2

[0034] Please see Figures 1-5As shown, this embodiment, based on embodiment 1, further includes: a motor 7 fixed at the lower center of the platform 1, the output shaft of the motor 7 being fixedly connected to the rotation center of the lower end of the turntable 4, and the motor 7 being directly connected to the center of the turntable 4 for driving. The power transmission is direct and efficient, ensuring sufficient and stable driving torque, avoiding problems such as slippage and vibration that may be caused by indirect transmission through belts, and ensuring the accuracy and stability of the test speed.

[0035] A mounting bracket 15 is fixed to the lower end of the platform 1. Motor 2 14 is fixed to the outer wall of one side of the mounting bracket 15. The output shaft of motor 2 14 is fixedly connected to the rotation center of one of the bevel gears 16. The mounting bracket 15 provides a solid mounting foundation for motor 2 14, ensuring the stability of power output. Directly connecting motor 2 14 to one of the bevel gears 16 simplifies the transmission chain, improves transmission efficiency and precision, and ensures the synchronicity of the movements of each protective plate 2.

[0036] There are a total of eight bevel gears 16. Two bevel gears 16 are installed in pairs at a 90-degree angle. The eight bevel gears 16 mesh in pairs at a 90-degree angle to form a symmetrical and evenly distributed closed transmission network, which enables the power to be transmitted smoothly and synchronously to each protective plate 2, avoiding asynchronous operation or jamming, and making the operation more reliable.

[0037] A retainer 3 is installed above the tabletop 1, and a base 6 is installed at the lower end of the tabletop 1. A control gate 5 is installed on one outer wall of the tabletop 1. The retainer 3 is used to fix the rotation center of the workpiece, which is a prerequisite for effective detection. The object to be detected is located above the device and is not shown in the diagram. To ensure that the position of the rotating object remains unchanged, the retainer 3 is installed at the lower end of the object to be detected. The base 6 provides overall support and stability. The control gate 5 facilitates centralized operation, realizes automatic control of equipment start-up, shutdown, and protection functions, and improves the convenience of operation and human-machine interaction.

[0038] A protective pad 8 is fixed to the lower end of the tabletop 1, and a buffer plate 9 is provided on the outer wall of the tabletop 1. A spring 10 is fixed between the buffer plate 9 and the tabletop 1. The protective pad 8 can absorb the slight vibrations and noise generated during equipment operation. The structure of the buffer plate 9 and the spring 10 can effectively reduce the impact of accidental collisions on the tabletop 1 and its internal structure, playing a dual role of protecting the equipment and reducing operating noise, thus extending the service life of the equipment.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A splash-proof mechanical safety brake for a rotary tuning tester, comprising a platform (1), a protective plate (2), and a turntable (4), characterized in that: The outer ring of one side of the platform (1) is rotatably mounted with protective plates (2) arranged in a ring array. The lower end of the platform (1) is provided with mounting bases (13). The protective plates (2) are rotatably mounted between the mounting bases (13). The outer walls of both sides of the mounting bases (13) are provided with bevel gears (16). Two adjacent bevel gears (16) mesh with each other. The lower end of the platform (1) is provided with a second motor (14). The middle of the upper end of the platform (1) is rotatably mounted with a turntable (4).

2. A splash-proof mechanical safety brake for a tuning meter according to claim 1, characterized in that: The upper surface of the table (1) is provided with an annular guide rail (11), and the lower end of the turntable (4) is provided with rollers (12) arranged in an annular array. The rollers (12) are rotatably mounted on the lower end of the turntable (4) by means of a bracket, and the rollers (12) are inserted into the guide rail (11).

3. A splash-proof mechanical safety brake for a tuning meter according to claim 2, characterized in that: A motor (7) is fixed at the lower center of the platform (1), and the output shaft of the motor (7) is fixedly connected to the rotation center of the lower end of the turntable (4).

4. A splash-proof mechanical safety brake for a tuning meter according to claim 1, wherein: The lower end of the platform (1) is fixed with a fixing frame (15), and the second motor (14) is fixed to the outer wall of one side of the fixing frame (15). The output shaft of the second motor (14) is fixedly connected to the rotation center of one of the bevel gears (16).

5. A splash-proof mechanical safety brake for a tuning meter according to claim 1, wherein: There are a total of eight bevel gears (16), with two bevel gears (16) meshing at a 90-degree angle.

6. A splash-proof mechanical safety brake for a tuning meter according to claim 1, wherein: A retainer (3) is provided above the platform (1), a base (6) is provided at the lower end of the platform (1), and a control gate (5) is provided on one side of the outer wall of the platform (1).

7. A splash-proof mechanical safety brake for a tuning meter according to claim 1, wherein: A protective pad (8) is fixed at the lower end of the tabletop (1), a buffer plate (9) is provided on the outer wall of the tabletop (1), and a spring (10) is fixed between the buffer plate (9) and the tabletop (1).

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