A rotor dynamic balancing mechanism

Abstract

The utility model discloses a rotor dynamic balance mechanism relates to motor production and processing technical field, including work table, and the inside installation of work table has adjusting assembly, and the top symmetrical sliding of work table is connected with mobile seat, and the top fixed connection of mobile seat has telescopic column, and the fixed connection of telescopic column outside has fixed plate, and the fixed connection of telescopic column telescopic end has mounting panel, and the symmetrical sliding of mounting panel both sides has mounting seat, and the rotation of mounting seat between connecting has the gyro wheel, and the fixed connection of mounting seat one side has assembly block, and the inside installation of assembly block has location assembly, and the top symmetrical sliding of work table has detection element. The utility model adopts the above -mentioned structure, can nimblely adapt the rotor of a variety of axle diameter specifications, need not replace special support for different size rotor, and the equipment application scope is greatly expanded, and moreover for different axle diameter rotor, can through the adjustment interval ensure that gyro wheel and rotor journal closely adhere, avoid the shaking or vibration caused by the poor contact.

Description

Technical Field

[0001] This utility model belongs to the field of motor manufacturing and processing technology, and specifically relates to a rotor dynamic balancing mechanism. Background Technology

[0002] The rotor dynamic balancing mechanism is a key piece of equipment for ensuring the stable operation of rotating machinery. It effectively reduces vibration, noise, and mechanical wear by accurately detecting and correcting uneven rotor mass distribution. Its core function is to identify the location and magnitude of unbalanced mass while the rotor is rotating, and then achieve dynamic balance by adding or removing mass. The mechanism consists of five subsystems: drive, support, detection, data processing, and correction execution. The drive mechanism propels the rotor to its operating speed; the support mechanism stably supports the rotor and transmits vibration signals; the detection mechanism collects vibration amplitude and phase data through sensors; the data processing unit analyzes and calculates the unbalance parameters; and the correction mechanism completes the adjustment through methods such as drilling to remove weights and adding balance blocks.

[0003] Announcement No. "CN204924563U" discloses a rotor dynamic balancing machine, including a rotor dynamic balancing machine roller frame and rotor dynamic balancing working rollers mounted on the roller frame, as well as a support and a drive mechanism. The drive mechanism is connected to the support to drive the support to perform lifting and lowering movements. Using the above-described rotor dynamic balancing machine, the rotor to be processed can be lifted and lowered safely, quickly, and efficiently, and balancing pads can be riveted at appropriate positions, thereby ensuring the accuracy of the rotor dynamic balancing machine and improving its service life.

[0004] While the aforementioned utility model can safely, quickly, and efficiently raise and lower the rotor to be processed and rivet the balancing shims at appropriate positions to ensure the accuracy of the rotor dynamic balancing machine and improve its service life, the design of not being able to adjust the spacing between the support rollers has obvious limitations. This results in the equipment only being able to adapt to rotors within a specific diameter range, lacking universality for rotors with different shaft diameters, significantly increasing operational complexity and time costs. At the same time, the fixed spacing makes it difficult to ensure the fit between different rotors and rollers, and is prone to generating additional vibration interference due to poor contact, affecting the accuracy of the signals collected by the detection mechanism, and thus reducing the balance correction accuracy. Utility Model Content

[0005] In view of the problems mentioned in the background art, the purpose of this utility model is to provide a rotor dynamic balancing mechanism to solve the obvious limitations of the design where the spacing between the support rollers cannot be adjusted. This results in the equipment being only compatible with rotors within a specific diameter range, lacking versatility for rotors with different shaft diameters, greatly increasing the complexity of operation and time costs. At the same time, the fixed spacing makes it difficult to ensure the fit between different rotors and rollers, and poor contact can easily cause additional vibration interference, affecting the accuracy of the signals collected by the detection mechanism, and thus reducing the accuracy of balance correction.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A rotor dynamic balancing mechanism includes a worktable, an adjustment assembly installed inside the worktable, a movable seat symmetrically slidably connected to the top of the worktable, a telescopic column fixedly connected to the top of the movable seat, a fixed plate fixedly connected to the outside of the telescopic column, a mounting plate fixedly connected to the telescopic end of the telescopic column, mounting seats symmetrically slidably connected to both sides of the mounting plate, rollers rotatably connected between the mounting seats, an assembly block fixedly connected to one side of the mounting seat, a positioning assembly installed inside the assembly block, and detection elements symmetrically slidably connected to the top of the worktable.

[0008] The positioning assembly includes a receiving cavity, a return spring, a movable plate, a connecting post, a pull handle, and a fixed post. The assembly block has a receiving cavity inside, with a return spring fixedly connected to one side of the cavity. The other end of the return spring is fixedly connected to the movable plate, which is slidably connected to the cavity. A connecting post is fixedly connected to one side of the movable plate, and the other end of the connecting post extends outward from the assembly block and is fixedly connected to a pull handle. The return spring is sleeved on the outside of the connecting post. A fixed post is fixedly connected to the other side of the movable plate, and the other end of the fixed post extends into a mounting base. Fixed holes are symmetrically spaced at equal intervals on one side of the mounting plate. The fixed post and the fixed holes are plugged in, allowing for flexible adaptation to rotors with various shaft diameters. This eliminates the need to replace special brackets for rotors of different sizes, significantly expanding the equipment's applicability. Furthermore, for rotors with different shaft diameters, the spacing can be adjusted to ensure a tight fit between the rollers and the rotor journal, preventing shaking or vibration caused by poor contact and providing a stable mechanical foundation for accurate detection.

[0009] As a preferred technical solution, a T-shaped groove is provided on the side of the mounting plate away from the fixing hole, and a T-shaped block is fixedly connected to one side of the mounting base. The T-shaped block and the T-shaped groove are slidably connected, and the T-shaped block and the T-shaped groove can be accurately guided and stably limited when sliding.

[0010] As a preferred technical solution, the adjustment component includes a cavity, a bidirectional lead screw, a guide rod, a moving block, a connecting block, and a drive motor. The worktable has a cavity inside, with guide rods symmetrically fixedly connected and bidirectional lead screws rotatably connected within the cavity. Moving blocks are symmetrically fitted around the guide rods and bidirectional lead screws. A drive motor is installed at one end of the worktable, with its output extending into the cavity and fixedly connected to the bidirectional lead screw. A connecting block is fixedly connected to the top of the moving block, and the other end of the connecting block extends from the top of the worktable and is fixedly connected to the bottom of the moving block. The bidirectional lead screw and the moving block are threadedly connected, while the guide rod and the moving block are slidably connected. Symmetrical through slots are formed on the top of the worktable, communicating with the cavity. The connecting block and the through slot are slidably connected. This allows for flexible matching of rotors with different axial lengths. Whether short-shaft or long-shaft rotors, stable support can be achieved by adjusting the spacing, significantly improving the equipment's versatility. Furthermore, it ensures a reasonable distribution between the support points and the rotor's center of gravity, preventing rotor tilting or sagging due to support points being too close or too far apart, thus ensuring rotor stability during rotation.

[0011] As a preferred technical solution, electric push rods are symmetrically fixedly connected to the top of the mounting plate. The telescopic end of the electric push rod is fixedly connected to the bottom of the mounting plate, which can realize precise stepless adjustment of the installation height. The symmetrical layout ensures smooth lifting without off-center load, eliminating the need for manual operation and improving the degree of automation and adjustment efficiency.

[0012] In summary, the present invention has the following main advantages:

[0013] First, in this utility model, according to the rotor's shaft diameter, pulling the handle causes the connecting column to move the moving plate and the fixed column. The moving plate presses against the return spring, while the fixed column retracts into the receiving cavity. The fixed column and the fixed hole are then inserted, pushing the rollers so that the rollers drive the mounting base to slide on the outside of the mounting plate. When the two sets of rollers are adjusted to the appropriate position, the handle is released, the return spring returns to its original position, and the fixed column pops out and inserts into the fixed hole. This allows for flexible adaptation to rotors with various shaft diameters, eliminating the need to replace special brackets for rotors of different sizes, greatly expanding the applicability of the equipment. Moreover, for rotors with different shaft diameters, the spacing can be adjusted to ensure that the rollers and rotor journals fit tightly, avoiding shaking or vibration caused by poor contact, thus providing a stable mechanical foundation for accurate detection.

[0014] Secondly, in this utility model, the drive motor is started according to the length of the rotor, and the bidirectional lead screw is controlled to rotate. The bidirectional lead screw and the moving block are threadedly driven, thereby controlling the movement of the moving block. At the same time, the moving block slides and is limited outside the guide rod. When the moving block moves, it drives the connecting block to slide inside the through groove. The connecting block drives the moving seat to move. The moving seat drives the top mounting plate and rollers to move. It can flexibly match rotors with different axial lengths. Whether it is a short-shaft rotor or a long-shaft rotor, stable support can be achieved by adjusting the spacing, which greatly improves the versatility of the equipment. Moreover, it keeps the support points and the rotor center of gravity in a reasonable distribution, avoiding rotor tilting or sagging due to support points being too close or too far apart, and ensuring the stability of the rotor during rotation. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0016] Figure 2 This is the utility model Figure 1 Enlarged view of part A;

[0017] Figure 3 This is a cross-sectional three-dimensional structural schematic diagram of the present invention;

[0018] Figure 4 This is the utility model Figure 3 Enlarged view of part B;

[0019] Figure 5 This is a cross-sectional three-dimensional structural diagram of the present invention.

[0020] Reference numerals: 1. Workbench; 2. Movable seat; 3. Telescopic column; 4. Fixed plate; 5. Mounting plate; 6. Electric push rod; 7. Mounting seat; 8. Roller; 9. T-slot; 10. T-block; 11. Assembly block; 12. Adjustment component; 121. Cavity; 122. Two-way lead screw; 123. Guide rod; 124. Movable block; 125. Connecting block; 126. Drive motor; 13. Through slot; 14. Positioning component; 141. Receiving cavity; 142. Return spring; 143. Movable plate; 144. Connecting column; 145. Pull handle; 146. Fixed column; 15. Fixed hole; 16. Detection element. Detailed Implementation

[0021] Example

[0022] refer to Figures 1 to 5The rotor dynamic balancing mechanism described in this embodiment includes a workbench 1, an adjustment assembly 12 installed inside the workbench 1, a movable seat 2 symmetrically slidably connected to the top of the workbench 1, a telescopic column 3 fixedly connected to the top of the movable seat 2, a fixed plate 4 fixedly connected to the outside of the telescopic column 3, an installation plate 5 fixedly connected to the telescopic end of the telescopic column 3, installation seats 7 symmetrically slidably connected to both sides of the installation plate 5, rollers 8 rotatably connected between the installation seats 7, an assembly block 11 fixedly connected to one side of the installation seat 7, a positioning assembly 14 installed inside the assembly block 11, and a detection element 16 symmetrically slidably connected to the top of the workbench 1.

[0023] Positioning assembly 14 includes a receiving cavity 141, a return spring 142, a movable plate 143, a connecting post 144, a pull handle 145, and a fixing post 146. The receiving cavity 141 is formed inside the assembly block 11. A return spring 142 is fixedly connected to one side of the receiving cavity 141, and a movable plate 143 is fixedly connected to the other end of the return spring 142. The movable plate 143 is slidably connected to the inside of the receiving cavity 141. A connecting post 144 is fixedly connected to one side of the movable plate 143, and a pull handle 145 is fixedly connected to the other end of the connecting post 144 extending outward from the assembly block 11. The return spring 142 is sleeved on the outside of the connecting post 144. The fixing post 146 is fixedly connected to the other side of the movable plate 143. The other end of the fixed column 146 extends into the mounting base 7. The mounting plate 5 has symmetrically spaced fixing holes 15 on one side. The fixed column 146 is inserted into the fixing hole 15. According to the shaft diameter of the rotor, the handle 145 is pulled, which causes the connecting column 144 to move the moving plate 143 and the fixed column 146. The moving plate 143 presses against the return spring 142, and at the same time the fixed column 146 retracts into the receiving cavity 141. The fixed column 146 is no longer inserted into the fixing hole 15. The roller 8 is pushed, which causes the mounting base 7 to slide on the outside of the mounting plate 5. When the two sets of rollers 8 are adjusted to the appropriate position, the handle 145 is released, the return spring 142 is reset, and the fixed column 146 pops out and inserts into the fixing hole 15.

[0024] refer to Figure 2 The mounting plate 5 has a T-shaped groove 9 on the side away from the fixing hole 15. A T-shaped block 10 is fixedly connected to one side of the mounting base 7. The T-shaped block 10 and the T-shaped groove 9 are slidably connected. When the fixing post 146 is inserted into the fixing hole 15, the roller 8 is pushed, so that the roller 8 drives the mounting base 7 to move. At the same time, the mounting base 7 drives the T-shaped block 10 to slide inside the T-shaped groove 9.

[0025] refer to Figure 5The adjustment assembly 12 includes a cavity 121, a bidirectional lead screw 122, a guide rod 123, a moving block 124, a connecting block 125, and a drive motor 126. The worktable 1 has a cavity 121 inside. The guide rod 123 and the bidirectional lead screw 122 are symmetrically fixedly connected inside the cavity 121. Moving blocks 124 are symmetrically sleeved on the outer sides of the guide rod 123 and the bidirectional lead screw 122. A drive motor 126 is installed at one end of the worktable 1. The output end of the drive motor 126 extends into the cavity 121 and is fixedly connected to the bidirectional lead screw 122. A connecting block 125 is fixedly connected to the top of the moving block 124. The other end of the connecting block 125 extends out of the top of the worktable 1 and is fixedly connected to the bottom of the moving base 2. The bidirectional lead screw 124... 22 is threadedly connected to the moving block 124, and the guide rod 123 is slidably connected to the moving block 124. The top of the worktable 1 is symmetrically provided with through slots 13, which are connected to the inside of the cavity 121. The connecting block 125 is slidably connected to the through slot 13. According to the length of the rotor, the drive motor 126 is started to control the bidirectional lead screw 122 to rotate. The bidirectional lead screw 122 is threadedly driven to the moving block 124, thereby controlling the moving block 124 to move. At the same time, the moving block 124 is slidably limited outside the guide rod 123. When the moving block 124 moves, it drives the connecting block 125 to slide inside the through slot 13. The connecting block 125 drives the moving seat 2 to move. The moving seat 2 drives the top mounting plate 5 and roller 8 to move.

[0026] refer to Figure 3 Electric push rods 6 are symmetrically fixedly connected to the top of the fixed plate 4. The telescopic end of the electric push rod 6 is fixedly connected to the bottom of the mounting plate 5. When the electric push rod 6 is started, the mounting plate 5 is controlled to rise and fall, thereby causing the mounting plate 5 to drive the rollers 8 to rise and fall.

[0027] Operating principle and advantages: First, based on the rotor length, the drive motor 126 is started, controlling the bidirectional lead screw 122 to rotate. The bidirectional lead screw 122 and the moving block 124 are threadedly driven, thereby controlling the movement of the moving block 124. At the same time, the moving block 124 slides and is limited outside the guide rod 123. When the moving block 124 moves, it drives the connecting block 125 to slide inside the through groove 13. The connecting block 125 drives the moving seat 2 to move, and the moving seat 2 drives the top mounting plate 5 and roller 8 to move. Then, according to... Pulling the handle 145 causes the connecting column 144 to move the moving plate 143 and the fixed column 146. The moving plate 143 presses against the return spring 142, while the fixed column 146 retracts into the receiving cavity 141. The fixed column 146 is then inserted into the fixed hole 15. The roller 8 is pushed, causing the roller 8 to slide the mounting base 7 on the outside of the mounting plate 5. When the two sets of rollers 8 are adjusted to the appropriate position, the handle 145 is released, the return spring 142 is reset, and the fixed column 146 pops out and inserts into the fixed hole 15.

[0028] This invention can flexibly adapt to rotors with various shaft diameters, eliminating the need to replace special brackets for rotors of different sizes, thus greatly expanding the applicability of the equipment. Moreover, for rotors with different shaft diameters, the spacing can be adjusted to ensure that the roller 8 fits tightly with the rotor journal, avoiding shaking or vibration caused by poor contact, and providing a stable mechanical foundation for accurate detection.

Claims

1. A rotor dynamic balancing mechanism, comprising a worktable (1), characterized in that: The workbench (1) is equipped with an adjustment component (12). A movable seat (2) is symmetrically slidably connected to the top of the workbench (1). A telescopic column (3) is fixedly connected to the top of the movable seat (2). A fixed plate (4) is fixedly connected to the outside of the telescopic column (3). An installation plate (5) is fixedly connected to the telescopic end of the telescopic column (3). An installation seat (7) is symmetrically slidably connected to both sides of the installation plate (5). A roller (8) is rotatably connected between the installation seats (7). An assembly block (11) is fixedly connected to one side of the installation seat (7). A positioning component (14) is installed inside the assembly block (11). A detection element (16) is symmetrically slidably connected to the top of the workbench (1).

2. The rotor dynamic balancing mechanism according to claim 1, characterized in that: The positioning component (14) includes a receiving cavity (141), a return spring (142), a moving plate (143), a connecting post (144), a handle (145), and a fixing post (146). The assembly block (11) has a receiving cavity (141) inside. A return spring (142) is fixedly connected to one side of the receiving cavity (141). A moving plate (143) is fixedly connected to the other end of the return spring (142). The moving plate (143) is slidably connected to the inside of the receiving cavity (141). A connecting post (144) is fixedly connected to one side of the moving plate (143). The other end of the connecting post (144) extends out of the outside of the assembly block (11) and is fixedly connected to the handle (145). The return spring (142) is sleeved on the outside of the connecting post (144). A fixing post (146) is fixedly connected to the other side of the moving plate (143). A mounting base (7) extends out of the other end of the fixing post (146).

3. The rotor dynamic balancing mechanism according to claim 2, characterized in that: The mounting plate (5) has symmetrically spaced fixing holes (15) on one side, and the fixing post (146) is inserted into the fixing hole (15).

4. A rotor dynamic balancing mechanism according to claim 3, characterized in that: The mounting plate (5) has a T-shaped groove (9) on the side away from the fixing hole (15), and a T-shaped block (10) is fixedly connected to one side of the mounting base (7). The T-shaped block (10) and the T-shaped groove (9) are slidably connected.

5. A rotor dynamic balancing mechanism according to claim 1, characterized in that: The adjustment assembly (12) includes a cavity (121), a bidirectional lead screw (122), a guide rod (123), a moving block (124), a connecting block (125), and a drive motor (126). The worktable (1) has a cavity (121) inside. The guide rod (123) is symmetrically fixedly connected to the cavity (121), and the bidirectional lead screw (122) is rotatably connected to it. The moving block (124) is symmetrically sleeved on the outside of the guide rod (123) and the bidirectional lead screw (122). The drive motor (126) is installed at one end of the worktable (1). The output end of the drive motor (126) extends into the cavity (121) and is fixedly connected to the bidirectional lead screw (122). The top of the moving block (124) is fixedly connected to the connecting block (125). The other end of the connecting block (125) extends out of the top of the worktable (1) and is fixedly connected to the bottom of the moving seat (2).

6. A rotor dynamic balancing mechanism according to claim 5, characterized in that: The bidirectional lead screw (122) and the moving block (124) are threadedly connected, and the guide rod (123) and the moving block (124) are slidably connected.

7. A rotor dynamic balancing mechanism according to claim 6, characterized in that: The workbench (1) has symmetrical through slots (13) on its top. The through slots (13) are connected to the interior of the cavity (121). The connecting block (125) is slidably connected to the through slots (13).

8. A rotor dynamic balancing mechanism according to claim 1, characterized in that: The top of the fixed plate (4) is symmetrically fixed with electric push rods (6), and the telescopic end of the electric push rods (6) is fixedly connected to the bottom of the mounting plate (5).

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