Rapid clamping device for dynamic balance test of motor rotor
By designing a quick clamping device, the automatic clamping of the rotor is achieved by using auxiliary wheels and inclined groove structures, which solves the problem of cumbersome clamp adjustment in the existing technology and improves the efficiency and practicality of motor rotor dynamic balance testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-04-10
AI Technical Summary
In the current process of dynamic balancing testing of motor rotors, the adjustment of fixtures is cumbersome, which affects work efficiency, especially when testing in large batches.
A quick clamping device was designed, comprising a main unit, a V-shaped roller frame, a pressure frame, a transmission belt, and a clamping assembly. It utilizes auxiliary wheels and an inclined groove structure to achieve automatic clamping of the rotor, and adapts to rotors of different specifications through the sliding connection of reinforcing rods and fixing blocks.
It enables rapid and stable clamping of rotors, improves testing efficiency, adapts to rotors of different specifications, simplifies the operation process, and enhances practicality and stability.
Smart Images

Figure CN224108979U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dynamic balance test technical field especially relates to a quick clamping device of motor rotor dynamic balance test. BACKGROUND
[0002] Motor rotor is divided into motor rotor and generator rotor, needs carrying on dynamic balance test before factory, purpose is to carry out dynamic balance detection, correction to rotor, and reaches the process of using requirement, guarantees the stable use of motor rotor. For example, the Chinese utility model patent with the publication number CN21981057U discloses motor rotor dynamic balance test device, and it measures the pressure between motor rotor and gyro wheel through the setting of motor, connecting sleeve, second electric telescopic rod and pressure sensor, and when the motor rotor dynamic balance is abnormal, the data fluctuates, and the dynamic balance test is realized according to the measured pressure data;Conveniently, the dynamic balance test of motor rotor of different sizes is carried out;Reduce test error, indirectly improve test precision.
[0003] But there is certain limitation in actual operation: for example, the limiting distance needs to be adjusted manually every time the rotor is taken and placed, that is, the clamp is loosened before placing the rotor, and the clamp is tightened after placing the rotor, the process is not only cumbersome, but also affects the work efficiency when testing in large quantities, therefore, it is very necessary to develop a quick clamping device for motor rotor dynamic balance test. UTILITY MODEL CONTENT
[0004] In order to solve the above problems, the utility model provides a quick clamping device for motor rotor dynamic balance test to more accurately solve the above problems.
[0005] The utility model realizes the following technical scheme:
[0006] The utility model provides a quick clamping device for motor rotor dynamic balance test, including host computer, the host computer is provided with driving mechanism and a pair of V type gyro wheel frame, and the pressure frame is located above a pair of V type gyro wheel frame, the pressure frame is provided with transmission belt, and the transmission belt is driven through driving mechanism;A pair of V type gyro wheel frame is placed with rotor, and the both ends of the rotor include first shaft and second shaft respectively;It also includes clamping assembly, which is arranged on the host computer, the clamping assembly includes first abutment rod and second abutment rod, when the rotor is placed on a pair of V type gyro wheel frame, the first abutment rod, second abutment rod respectively and first shaft, second shaft abutment.
[0007] Further, the clamping assembly further comprises a fixed rod, a fixed block is slidably connected to the fixed rod, and the fixed block is also slidably connected to the second abutting rod; a supporting rod is slidably connected to the top end of the fixed block, a fixed seat is fixedly connected to the top end of the supporting rod, a pair of auxiliary wheels are rotatably connected to the fixed seat, and the pair of auxiliary wheels are used for supporting the first shaft rod; an inclined groove is formed in the top wall of the second abutting rod, the supporting rod is provided with an inclined end close to the second abutting rod.
[0008] Further, one end of the fixed rod is fixed to the V-shaped roller frame, the other end of the fixed rod is fixed to the main machine, a reinforcing rod is further fixedly connected to the V-shaped roller frame, and the reinforcing rod is slidably connected to the fixed block.
[0009] Further, an adjusting knob is further threadedly connected to the fixed block, and the inner end of the adjusting knob abuts against the fixed rod.
[0010] Further, the first abutting rod and the second abutting rod are oppositely arranged at the two ends of the rotor, and the first abutting rod and the second abutting rod are both U-shaped structures.
[0011] Further, an insertion groove is formed in the end of the second abutting rod close to the first shaft rod, a dismounting rod is insertedly fixed in the insertion groove, the outer end of the dismounting rod is a tapered head, the inner end of the dismounting rod is fixedly connected with a convex strip, and the convex strip is insertedly matched with a groove formed in the inner wall of the insertion groove.
[0012] The utility model discloses the beneficial effect of:
[0013] 1. The utility model discloses a clamping assembly, on one hand, the auxiliary wheel can support the longer first shaft rod, so that the rotation is more stable when balancing test, on the other hand, when the auxiliary wheel supports the first shaft rod, it will be pressed down by weight, so that the supporting rod at the bottom of the fixed seat goes inwards to the fixed block, thereby realizing the purpose of quickly clamping the two ends of the rotor, and the operator does not need to manually adjust the position of the two abutting rods when taking and placing, which greatly improves the work efficiency.
[0014] 2. The utility model discloses a reinforcing rod and an adjusting knob, since the reinforcing rod is slidably connected to the fixed block, the fixed block does not rotate through the cooperation of the reinforcing rod and the fixed rod, thereby being more stable and reliable during operation; after replacing the rotor specification, first, place the new rotor on a pair of V-shaped roller frames, then unscrew the adjusting knob, move the fixed block to the appropriate position, and then screw it tightly, thereby being able to adapt to rotors of different specifications and improving the practicability. DRAWINGS
[0015] Figure 1 It is the first perspective structure schematic view of the utility model;
[0016] Figure 2 This is a schematic diagram of the second-view structure of the present invention;
[0017] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;
[0018] Figure 4 for Figure 2 Enlarged structural diagram at point B;
[0019] Figure 5 for Figure 2 Enlarged structural diagram at point C;
[0020] Figure 6 This is a schematic diagram of the third-view structure of the present invention.
[0021] Figure 7 for Figure 2 Enlarged structural diagram at point B.
[0022] In the diagram: 1. Main unit; 2. V-shaped roller frame; 3. Press frame; 4. Rotor; 5. First shaft; 6. Second shaft; 7. First abutment; 8. Fixing rod; 9. Fixing block; 10. Second abutment; 11. Groove; 12. Protrusion; 13. Disassembly rod; 14. Conical head; 15. Inclined groove; 16. Support rod; 17. Fixing seat; 18. Auxiliary wheel; 19. Reinforcing rod; 20. Adjustment knob. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Example 1
[0025] A quick clamping device for dynamic balancing testing of motor rotors, such as Figures 1-7 As shown, the system includes a main unit 1, which is equipped with a drive mechanism and a pair of V-shaped roller frames 2, as well as a pressure frame 3 located above the pair of V-shaped roller frames 2. The pressure frame 3 is equipped with a transmission belt, which is driven by the drive mechanism. A rotor 4 is placed on the pair of V-shaped roller frames 2, and the rotor 4 has a first shaft 5 and a second shaft 6 at both ends. The system also includes a clamping assembly, which is mounted on the main unit 1. The clamping assembly includes a first abutment 7 and a second abutment 10. When the rotor 4 is placed on the pair of V-shaped roller frames 2, the first abutment 7 and the second abutment 10 abut against the first shaft 5 and the second shaft 6, respectively.
[0026] The clamping assembly further comprises a fixing rod 8, a fixing block 9 is slidably connected to the fixing rod 8, and the fixing block 9 is also slidably connected with a second abutting rod 10; a supporting rod 16 is slidably connected to a top end of the fixing block 9, a fixing seat 17 is fixedly connected to a top end of the supporting rod 16, a pair of auxiliary wheels 18 are rotatably connected in the fixing seat 17, and the pair of auxiliary wheels 18 are used for supporting the first shaft rod 5; an inclined groove 15 is formed in a top wall of the second abutting rod 10, the inclined groove 15 is an inclined groove, and an end of the supporting rod 16 close to the second abutting rod 10 is an inclined end.
[0027] The technical scheme in the embodiment of the application has at least the following technical effects or advantages: when in use, the rotor 4 is placed on the pair of V-shaped roller frames 2, the first shaft rod 5 and the second shaft rod 6 at both ends of the rotor are supported, and in this process: the second shaft rod 6 abuts against the first abutting rod 7, and the first shaft rod 5 is placed on the auxiliary wheel 18; on one hand, the auxiliary wheel 18 can support the longer first shaft rod 5, so that the rotation is more stable during the balance test; on the other hand, when the auxiliary wheel 18 supports the first shaft rod 5, the auxiliary wheel 18 will be pressed downward due to the weight, so that the supporting rod 16 at the bottom end of the fixing seat 17 penetrates into the fixing block 9; since the bottom end of the supporting rod 16 is an inclined end, and the second abutting rod 10 slidably connected in the fixing block 9 has the inclined groove 15 in the top wall, when the bottom end of the supporting rod 16 slides in the inclined groove 15, the second abutting rod 10 is displaced inward, so that the second abutting rod 10 is pressed inward, thereby achieving the purpose of quickly clamping both ends of the rotor 4, and the position of the two abutting rods does not need to be manually adjusted by the operator when taking and placing, so that the work efficiency is greatly improved; after the fixing is completed, the pressing frame 3 is lowered, the transmission belt on the pressing frame 3 is pressed on the rotor 4, and when the driving mechanism works to drive the transmission belt, the rotor can be rotated for the balance test.
[0028] One end of the fixing rod 8 is fixed with the V-shaped roller frame 2, the other end of the fixing rod 8 is fixed with the main machine 1, and a reinforcing rod 19 is further fixedly connected to the V-shaped roller frame 2; the reinforcing rod 19 is slidably connected with the fixing block 9; by arranging the reinforcing rod 19, since the reinforcing rod 19 is slidably connected with the fixing block 9, and the reinforcing rod 19 and the fixing rod 8 cooperate together, the fixing block 9 will not rotate, thereby being more stable and reliable during work.
[0029] A adjusting knob 20 is further threadedly connected to the fixing block 9, and an inner end of the adjusting knob 20 abuts against and contacts the fixing rod 8; by arranging the adjusting knob 20 on the fixing block 9, when the specification of the rotor 4 is replaced, the new rotor 4 is first placed on the pair of V-shaped roller frames 2, then the adjusting knob 20 is loosened, the fixing block 9 is moved to a suitable position, and then the adjusting knob 20 is tightened again, so that the above structure can adapt to rotors 4 of different specifications, and the practicability is improved.
[0030] The first abutting rod 7 and the second abutting rod 10 are oppositely arranged at both ends of the rotor 4, and both the first abutting rod 7 and the second abutting rod 10 are U-shaped structures.
[0031] The second resistance rod 10 is provided with a slot near one end of the first shaft rod 5, the slot is inserted and fixed with a dismounting rod 13, the outer end of the dismounting rod 13 is a conical head 14, the inner end of the dismounting rod 13 is fixedly connected with a convex strip 12, the convex strip 12 is inserted and matched with a groove 11 provided on the inner wall of the slot, the convex strip 12 and the groove 11 are matched, the dismounting rod 13 is prevented from rotating in the slot, by setting the slot and the dismounting rod 13, when the conical head 14 needs to be replaced due to large wear degree, the dismounting rod 13 only needs to be pulled out and replaced.
[0032] Of course, the utility model also can have other multiple implementation manners, based on this implementation manner, other implementation manners obtained by the ordinary skilled in the art without any creative labor all belong to the range protected by the utility model.
Claims
1. A quick clamping device for motor rotor dynamic balance test, comprising a main machine (1), a driving mechanism and a pair of V-shaped roller frames (2) are arranged on the main machine (1), and a pressing frame (3) is arranged above the pair of V-shaped roller frames (2), a transmission belt is arranged on the pressing frame (3) and is driven by the driving mechanism; a rotor (4) is placed on the pair of V-shaped roller frames (2), and the rotor (4) comprises a first shaft rod (5) and a second shaft rod (6) at two ends respectively; a clamping assembly is further arranged on the main machine (1), the clamping assembly comprises a first abutting rod (7) and a second abutting rod (10), and the first abutting rod (7) and the second abutting rod (10) abut against the first shaft rod (5) and the second shaft rod (6) respectively when the rotor (4) is placed on the pair of V-shaped roller frames (2). The clamping assembly further comprises a fixing rod (8), a fixing block (9) is slidably connected to the fixing rod (8), and the fixing block (9) is further slidably connected to the second abutting rod (10); A support rod (16) is slidably connected to a top end of the fixing block (9), a fixing seat (17) is fixedly connected to a top end of the support rod (16), a pair of auxiliary wheels (18) are rotatably connected in the fixing seat (17), and the pair of auxiliary wheels (18) are used for supporting the first shaft rod (5); 2. The quick clamping device for dynamic balancing test of motor rotor according to claim 1, characterized in that, An inclined groove (15) is formed in a top wall of the second abutting rod (10), the inclined groove (15) is an inclined groove, and an inclined end is formed on one end of the support rod (16) close to the second abutting rod (10). One end of the fixing rod (8) is fixed to the V-shaped roller frame (2), the other end of the fixing rod (8) is fixed to the main machine (1), a reinforcing rod (19) is further fixedly connected to the V-shaped roller frame (2), and the reinforcing rod (19) is slidably connected to the fixing block (9). An adjusting knob (20) is further threadedly connected to the fixing block (9), and an inner end of the adjusting knob (20) abuts against the fixing rod (8).
3. The quick clamping device for dynamic balancing test of motor rotor according to claim 2, characterized in that, The first abutting rod (7) and the second abutting rod (10) are oppositely arranged at two ends of the rotor (4), and the first abutting rod (7) and the second abutting rod (10) are both U-shaped structures.
4. The quick clamping device for dynamic balancing test of motor rotor according to claim 3, characterized in that, An insertion groove is formed in one end of the second abutting rod (10) close to the first shaft rod (5), a dismounting rod (13) is insertedly fixed in the insertion groove, a tapered head (14) is formed on an outer end of the dismounting rod (13), a convex strip (12) is fixedly connected to an inner end of the dismounting rod (13), and the convex strip (12) is insertedly matched with a groove (11) formed in an inner wall of the insertion groove.
5. The quick clamping device for dynamic balancing test of motor rotor according to claim 4, characterized in that, 6. The quick clamping device for dynamic balancing test of motor rotor according to claim 4, characterized in that,