CN216483706U - Dynamic balancing machine - Google Patents
Dynamic balancing machine Download PDFInfo
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- CN216483706U CN216483706U CN202122784518.7U CN202122784518U CN216483706U CN 216483706 U CN216483706 U CN 216483706U CN 202122784518 U CN202122784518 U CN 202122784518U CN 216483706 U CN216483706 U CN 216483706U
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Abstract
The utility model discloses a dynamic balancing machine, which comprises an industrial personal computer, a measurement and control unit and a test table body, wherein the test table body comprises a base, a supporting bottom plate is arranged at the upper end of the base through 2 soft supporting swing frames, an upper supporting assembly is arranged at the upper end of the supporting bottom plate through a supporting frame, a measured rotor is arranged at one end of the upper supporting assembly through a clamp, a balance block and a vibration sensor are respectively arranged at the other end of the upper supporting assembly, a coil assembly arranged on the supporting bottom plate is arranged on the outer side of the measured rotor, the measurement and control unit is respectively connected with the industrial personal computer, the coil assembly and the vibration sensor, and the industrial personal computer is connected with a display. The utility model has the characteristics of convenient clamping of the measured piece, good transmission linearity of the unbalanced signal, convenient pickup of the reference signal, high test precision, low cost, safety, stability and convenient maintenance, and improves the dynamic balance efficiency of the rotor of the position marker.
Description
Technical Field
The utility model belongs to the field of dynamic balance detection, and particularly relates to a dynamic balancing machine for a rotor of a position marker.
Background
At present, the traditional rotor dynamic balancing machine of the position marker generally adopts a double-sided horizontal supporting structure and a single-sided vertical/horizontal supporting structure. When the existing double-sided horizontal supporting structure is adopted, the measured data of two surfaces are synthesized to obtain a single-sided dynamic unbalance result, the measuring mode is only suitable for a position marker rotor with a stator positioned in the rotor, and the measuring precision is low; the two traditional single-face vertical/horizontal supporting structures can be suitable for the position marker rotors with stators outside the rotors, the tested part mounting assembly is connected to the swing frame through two spring plates, the design of the swing frame system is complex, and the spring plates are easily damaged when the tested rotors are dismounted.
The spring plates adopted by the existing balancing machine structure are all made of manganese steel materials, and can cause certain interference on the magnetic field of a measured piece.
The existing balancing machine adopts a reference signal pickup mode to detect the light reflecting marks, and because the rotor is arranged in the stator, the pickup of the light reflecting marks is very difficult, and the requirements on the photoelectric sensor and the light reflecting marks are high.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide a dynamic balancing machine to solve the above problems in the background art.
The technical scheme who takes for realizing above-mentioned purpose is, a dynamic balancing machine, including industrial computer, observing and controlling unit, test bench body, the test bench body includes the base, and the supporting baseplate is installed through 2 soft supporting rocker in the base upper end, the supporting bearing subassembly is installed through the supporting rack in the supporting baseplate upper end, and the one end of going up the supporting bearing subassembly is installed through anchor clamps and is surveyed the rotor, and balancing piece and vibration sensor are installed respectively to the other end of going up the supporting bearing subassembly, the outside of being surveyed the rotor is equipped with the solenoid subassembly of installing on the supporting baseplate, observe and control the unit and be connected with industrial computer, solenoid subassembly and vibration sensor respectively, the industrial computer is connected with the display.
Further, the upper bearing assembly comprises a lever and a rotating shaft, the lever is connected with the supporting frame through the rotating shaft, the lower part of the lever is connected with the supporting frame through 2 springs, and the 2 springs are distributed on two sides of the lever by taking the rotating shaft as the center; the rotor of the measured part is horizontally arranged and is externally suspended on the rotating shaft, and the linearity of the picked vibration model is ensured through 2 spring auxiliary supports.
Further, the vibration sensor is fixedly mounted on a lower side end face of one end of the upper support assembly.
Furthermore, a Hall sensor is installed in the coil pack, and the Hall sensor is used for sensing the magnetic poles of the measured rotor and transmitting the magnetic poles as reference signals to the measurement and control unit.
Furthermore, the soft supporting swing frames are 2 groups, swing frame locking devices are arranged on the 2 groups of soft supporting swing frames, and two ends of the supporting bottom plate are connected with the upper ends of the 2 groups of soft supporting swing frames respectively.
Furthermore, the test table body is made of nonmagnetic materials.
Advantageous effects
Compared with the prior art, the utility model has the following advantages.
The utility model adopts nonmagnetic material to manufacture the test table body, adopts the lever to conduct unbalanced vibration signals, connects the bottom of the lever with the supporting frame by 2 springs to realize the picking up of unbalanced signals, installs the Hall sensor in the wire-covering component to realize the picking up of reference signals, has the characteristics of convenient clamping of a tested piece, good transmission linearity of the unbalanced signals, convenient picking up of the reference signals, high test precision, low cost, safety and stability and convenient maintenance, and improves the dynamic balance efficiency of the rotor of the position marker.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic structural diagram of a test stage according to the present invention;
figure 3 is a schematic view of the construction of the support assembly and the coil assembly of the present invention.
Detailed Description
The utility model is further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1 and 2, a dynamic balancing machine, including industrial computer 5, measurement and control unit 4, test table body 3 includes base 31, and supporting baseplate 38 is installed through 2 soft supporting rocker 310 in base 31 upper end, supporting baseplate 34 is installed through supporting rack 35 in supporting baseplate 38 upper end, and the one end of supporting baseplate 34 is passed through anchor clamps and is installed by survey rotor 36, and balancing piece 33 and vibration sensor 32 are installed respectively to the other end of supporting baseplate 34, the outside of surveying rotor 36 is equipped with solenoid subassembly 7 of installing on supporting baseplate 38, measurement and control unit 4 is connected with industrial computer 5, solenoid subassembly 7 and vibration sensor 32 respectively, industrial computer 5 is connected with display 6.
The upper bearing assembly 34 includes a lever 341 and a rotating shaft 342, the lever 341 is connected to the support frame 35 through the rotating shaft 342, the lower portion of the lever 341 is connected to the support frame 35 through 2 springs 343, and the 2 springs 343 are distributed on both sides of the lever 341 centering on the rotating shaft 342; the rotor 36 of the measured part is horizontally arranged and is externally suspended on the rotating shaft 342, and the linearity of the picked vibration model is ensured through the auxiliary support of 2 springs 343.
The vibration sensor 32 is fixedly mounted on the lower side end surface of one end of the upper support member 34.
The coil assembly 7 is internally provided with a Hall sensor 71 which is used as a reference signal to be transmitted to the measurement and control unit 4 by sensing the magnetic pole of the measured rotor.
The number of the soft supporting swing frames 310 is 2, the swing frame locking devices 39 are arranged on the 2 groups of soft supporting swing frames 310, and two ends of the supporting base plate 38 are respectively connected with the upper ends of the 2 groups of soft supporting swing frames 310.
The test table body 3 is made of nonmagnetic materials.
In the utility model, 2 groups of soft supporting swinging frames 310 are arranged on the base 31, the 2 groups of soft supporting swinging frames 310 are connected with an upper supporting component 34 through a supporting base plate 38 and a supporting frame 35, and a measured rotor 36 is arranged on the upper supporting component 34 through a fixture tool; the upper bearing assembly 34 is of a lever structure and comprises a lever 341 and a rotating shaft 342, the lever 341 is vertically intersected with the supporting frame 35 through the rotating shaft 342, one end of the lever 341 is provided with a measured rotor 36 through a fixture tool, the other end of the lever is provided with a balance weight 33 and a vibration sensor 32, and the balance weight 33 is used for overcoming the influence of the gravity of the measured rotor 36 on the unbalance; the lower part of the lever 341 is connected to the support frame 35 by 2 springs 343, and the 2 springs 343 are distributed on both sides of the lever 341 centering on the rotation shaft 342; the measurement and control unit, the upper computer and the display form a signal measurement resolving part.
The rotor 36 of the measured part is horizontally arranged, is externally suspended on the rotating shaft 342, and is supported by 2 springs 343 to ensure the linearity of the picked vibration model.
The measurement and control unit 4 and the industrial personal computer 5 are of independent structures, are in communication connection through RS232 interfaces, do not have relevance in hardware parts, and are good in maintainability.
In the specific implementation of the utility model, 2 groups of soft support swing frames 310 are arranged on the base 31 and provided with the swing frame locking device 39, so that the test requirements of the tested piece under different working conditions can be met; the soft support swing frame 310 is provided with a support base plate 38, the upper support assembly 34 is arranged on the support base plate 38 through a support frame 35, the upper support assembly 34 is of a lever structure, the front end of a lever 341 on the upper support assembly 34 is provided with a measured rotor 36, the rear end is provided with a balance weight 33 for balancing the mass of the measured piece, and the lower part of the rear end is provided with a vibration sensor 32 for sensing dynamic unbalance signals. The upper holder assembly 34 is provided with a spring 343 at each of front and rear lower ends thereof to be connected to the upper end surface of the holder 35, and by this elastic connection, linearity of the unbalance amount signal can be secured. The coil assembly 7 is mounted on the supporting base plate 38, and the hall sensor 71 is mounted in the coil assembly 7, and can output a reference signal by sensing the magnetic pole of the rotor 36 to be measured.
The basic working flow of the dynamic balancing machine is that the tested rotor 36 is arranged on the upper supporting assembly 34 of the testing table body 3, the measuring and controlling unit 4 controls the wire pack assembly 7 to drive the tested rotor 36 to rotate, stop and brake, vibration signals and Hall signals on the testing table body 3 are converted into digital vibration data and rotation speed data after signal acquisition of the measuring and controlling unit 4, the data are transmitted to the industrial personal computer 5 through a serial port, and final dynamic balance measuring data are obtained after calculation of the industrial personal computer 5 and are displayed on the display 6.
The test table body 3 is made of nonmagnetic materials, and magnetic interference on the measured rotor 36 is avoided, so that the rotating speed of the measured part is stable, and accurate unbalance data are finally obtained.
Claims (6)
1. A dynamic balancing machine comprises an industrial personal computer (5), a measurement and control unit (4) and a test table body (3), it is characterized in that the test bench body (3) comprises a base (31), a supporting bottom plate (38) is arranged at the upper end of the base (31) through 2 soft supporting swing frames (310), an upper supporting component (34) is arranged at the upper end of the supporting base plate (38) through a supporting frame (35), a measured rotor (36) is arranged at one end of the upper supporting component (34) through a clamp, a balance block (33) and a vibration sensor (32) are respectively arranged at the other end of the upper supporting component (34), the outer side of the measured rotor (36) is provided with a coil assembly (7) arranged on a supporting bottom plate (38), observe and control unit (4) and be connected with industrial computer (5), solenoid subassembly (7) and vibration sensor (32) respectively, industrial computer (5) are connected with display (6).
2. The dynamic balancing machine of claim 1, wherein the upper bearing assembly (34) comprises a lever (341) and a rotating shaft (342), the lever (341) is connected to the support (35) through the rotating shaft (342), the lower portion of the lever (341) is connected to the support (35) through 2 springs (343), and the 2 springs (343) are distributed on both sides of the lever (341) centering on the rotating shaft (342); the rotor (36) of the measured part is horizontally arranged, is externally suspended on the rotating shaft (342), and is supported by 2 springs (343) to ensure the linearity of the picked vibration model.
3. The dynamic balancing machine according to claim 1, characterized in that the vibration sensor (32) is fixedly mounted on the lower end face of one end of the upper bearing assembly (34).
4. The dynamic balancing machine according to claim 1, characterized in that the coil assembly (7) is provided with a hall sensor (71) which senses the magnetic poles of the measured rotor and transmits the sensed magnetic poles as a reference signal to the measurement and control unit (4).
5. The dynamic balancing machine according to claim 1, wherein the number of the soft supporting swing frames (310) is 2, the swing frame locking devices (39) are respectively arranged on the 2 groups of the soft supporting swing frames (310), and two ends of the supporting base plate (38) are respectively connected with the upper ends of the 2 groups of the soft supporting swing frames (310).
6. The dynamic balancing machine according to claim 1, characterized in that said test table body (3) is made of non-magnetic material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122784518.7U CN216483706U (en) | 2021-11-15 | 2021-11-15 | Dynamic balancing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122784518.7U CN216483706U (en) | 2021-11-15 | 2021-11-15 | Dynamic balancing machine |
Publications (1)
Publication Number | Publication Date |
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CN216483706U true CN216483706U (en) | 2022-05-10 |
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Family Applications (1)
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CN202122784518.7U Active CN216483706U (en) | 2021-11-15 | 2021-11-15 | Dynamic balancing machine |
Country Status (1)
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CN (1) | CN216483706U (en) |
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2021
- 2021-11-15 CN CN202122784518.7U patent/CN216483706U/en active Active
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