A kind of simulator stand measuring dynamic balancing data
Technical field
The present invention relates to dynamic balancing DATA REASONING technical fields, it particularly relates to a kind of mould for measuring dynamic balancing data
Quasi- testing stand.
Background technique
In the machine and part of rotation, people usually need to detect its revolving speed and the data of vibration are come for dynamic balancing calculation
Method provides data.In real operation, since the volume of certain machines is excessively huge, to create the acquisition of dynamic balancing data
It is difficult.
Application No. is 201310089620.2 patent applications to disclose a kind of dynamic balance detecting device, specifically discloses this
Dynamic balance detecting device includes platform, pillar, main shaft, Vibration Sensor, rotation sensor, detector and controller.The pillar
With the platform vertical connection, which is made with the pillar of marble, which is installed on the pillar to drive the rotor
Rotation, the Vibration Sensor are installed on the main shaft, which is arranged adjacent to the main shaft, and it is flat which is set to this
On platform, the controller and the main shaft, the Vibration Sensor, the rotation sensor, the detector are electrically connected, and the detector is real-time
It receives and the spindle vibration amount according to Vibration Sensor sensing and the speed of mainshaft of rotation sensor sensing analyzes and determines rotor
Whether dynamic balancing meets setting specification, and calculates the dynamic balance calibration amount of rotor, is corrected with the dynamic balancing to rotor.On
Revolving part counterweight in the radial direction can not actively be adjusted by stating patent application, to be unable to measure the rotation of various forms of revolving parts
Data.
Summary of the invention
It is an object of the invention to propose a kind of simulator stand for measuring dynamic balancing data, can be mentioned for dynamic balancing algorithm
For accurate data.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
A kind of simulator stand measuring dynamic balancing data, including electric motor stand, the upper end of the electric motor stand are fixed outstanding
Motor is hung with, the output end of the motor runs through the upper surface of electric motor stand and is connected with rigid coupler and shaft in turn, institute
The upper surface for stating electric motor stand is fixed with shell holder, and the upper end of the shell holder is fixed with shell, in the shell
Equipped with the bearing transmission mechanism being connected with shaft, the upper surface of the bearing transmission mechanism is connected with simulating turntable, the bearing
The upper side of transmission mechanism is fixed with magnetic tachometer detection bar, and the shell turns equipped with magnetic corresponding with magnetic tachometer detection bar
Fast sensor, the upper surface of the simulating turntable are equipped with counterweight mounting hole, are additionally provided with acceleration transducer on the electric motor stand.
Further, the lower end of the electric motor stand is fixed with counterweight base plates.
Further, the side of the shell is fixed with magnetic tachometer mounting frame for sensor, the magnetic tachometer sensor
On magnetic tachometer mounting frame for sensor.
Further, the simulating turntable is constituted by intermediate square block and along the extension of square block four edges, and four
A extension is centrosymmetric setting with the center of square block, and the counterweight mounting hole is set on extension.
Beneficial effects of the present invention: simulator stand design of the present invention is small and exquisite, and structure is simple;The testing stand turns
Speed can be adjusted, and when use can adjust identical as the revolving speed of system under test (SUT);For large scale system and components actual measurement
Middle have the defects that inconvenient to use, and simulator stand of the present invention can accurately simulate the test effect of real system, and
Facilitate staff's measurement data, to be that the machine of detection rotation and the revolving speed of part and the data of vibration are come for dynamic balancing
Algorithm provides data and supports.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the simulator stand according to the present invention;
Fig. 2 is the structural schematic diagram of the simulating turntable according to the present invention.
It is as shown in the figure:
1- counterweight base plates;2- motor;3- electric motor stand;4- rigid coupler;5- shell holder;6- shell;7- simulation turns
Platform;71- square block;72- extension;8- counterweight mounting hole;9- magnetic tachometer detection bar;10- magnetic tachometer mounting frame for sensor;
11- shaft;12- acceleration transducer;13- bearing transmission mechanism;14- reinforcing rib.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description.
As shown in Figure 1, the simulator stand, including electric motor stand 3 according to the present invention, the upper end of the electric motor stand 3
Fixed to be hung with motor 2, the output end of the motor 2 runs through the upper surface of electric motor stand 3 and is connected with rigid coupler 4 in turn
With shaft 11, the upper surface of the electric motor stand 3 is fixed with shell holder 5, and the upper end of the shell holder 5 is fixed with shell
Body 6, the shell 6 is interior to be equipped with the bearing transmission mechanism 13 being connected with shaft 11, and the upper surface of the bearing transmission mechanism 13 connects
It is connected to simulating turntable 7, the upper side of the bearing transmission mechanism 13 is fixed with magnetic tachometer detection bar 9, the side of the shell 6
It is fixed with magnetic tachometer mounting frame for sensor 10, the magnetic tachometer sensor (not shown) is pacified set on magnetic tachometer sensor
It fills on bracket 10, the upper surface of the simulating turntable 7 is equipped with counterweight mounting hole 8, and acceleration biography is additionally provided on the electric motor stand 3
Sensor 12.
When specifically used, the motor 2 selects adjustable speed motor, and the motor 2 passes through shaft coupling 4, shaft 11 and described
Bearing transmission mechanism 13 drives the simulating turntable 7 with constant rotational speed, and the revolving speed of the motor 2 is according to system under test (SUT)
Revolving speed is selected.When not increasing counterweight on the simulating turntable 7, motor shaft approximate place when being rotated with the simulating turntable 7
It is low in the vibratory output (with revolving speed once per revolution vibration) of dynamic equilibrium state, 3 horizontal direction of electric motor stand.In the simulating turntable 7
A direction increaseds or decreases weight, and center of gravity will leave the axis of shaft 11, and dynamic balancing is destroyed, 7 turns of the simulating turntable
When dynamic, radial vibration increases, i.e. 3 horizontal direction of electric motor stand vibration increases, vibration incrementss with it is increased heavy on simulating turntable 7
It measures related.It is able to detect that the revolving speed of 9 each rotation of magnetic tachometer detection bar by the magnetic tachometer sensor, passes through the motor
Acceleration transducer 12 in rack 3 is capable of the vibration of measuring system, to acquire number required for providing for dynamic balancing algorithm
According to.
In the above-described embodiments, in order to increase the job stability of the electric motor stand 3, the lower end of the electric motor stand 3
It is fixed with counterweight base plates 1.Likewise, in order to increase the job stability of shell holder 5, the shell holder 5 and the electricity
The part that machine rack 3 connects is fixed with reinforcing rib 14.
In the above-described embodiments, in order to increase the real simulation effect of the simulating turntable 7, as shown in Fig. 2, the simulation
Turntable 7 is constituted by intermediate square block 71 and along the extension 72 of 71 four edges of square block, and four extensions 72 are with side
The center of shape block 71 is centrosymmetric setting, and the counterweight mounting hole 8 is set on extension 72.Above-mentioned setting is so that the simulation
Turntable 7 is capable of the working condition of accurate simulation lifting airscrew, and four extensions 72 are equivalent to the rotor of helicopter, by four
Counterweight is set on a extension 72 to simulate the counterweight of true rotor.For general test object, above-mentioned structure design exists
Guarantee that electric motor stand 3 in the case where reaching identical vibration, can reduce the weight for needing to place counterweight, to reduce test
Risk.
In conclusion the present invention measures the simulator stand of dynamic balancing data by means of above-mentioned technical proposal of the invention
Accurate data can be provided for dynamic balancing algorithm.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.