CN216925882U - Brake test platform for servo motor - Google Patents
Brake test platform for servo motor Download PDFInfo
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- CN216925882U CN216925882U CN202122982066.3U CN202122982066U CN216925882U CN 216925882 U CN216925882 U CN 216925882U CN 202122982066 U CN202122982066 U CN 202122982066U CN 216925882 U CN216925882 U CN 216925882U
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Abstract
The utility model relates to a brake test platform for a servo motor. Comprises a test workbench; a control unit is arranged in the workbench; the back end of the workbench top is provided with a torsion testing device, and the front end of the workbench top is provided with a static life testing device and a dynamic life testing device in parallel; the torsion testing device is used for testing the torsion of the servo motor brake, and the dynamic and static life testing devices are respectively used for testing the impact test of the servo motor with a large load and the suction life test of the single body of the servo motor brake pad.
Description
Technical Field
The utility model relates to a brake test platform for a servo motor.
Background
At present, when a servo motor leaves a factory, a servo motor brake is generally required to be tested; tests include, but are not limited to, torsion tests, static life tests, and the like; however, different detection machines are generally adopted for torque detection and static service life detection of a brake on a servo motor brake by manufacturers at present, and the servo motor needs to be carried to other testing mechanisms after one test is finished each time, so that the detection is very inconvenient and lacks of a special testing platform.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a brake test platform for a servo motor, which is specially used for testing the brake of the servo motor.
The technical scheme of the utility model is as follows: the brake test platform for the servo motor comprises a test workbench; a control unit is arranged in the workbench; the back end of the workbench top is provided with a torsion testing device, and the front end of the workbench top is provided with a static life testing device and a dynamic life testing device in parallel.
The torque testing device is sequentially provided with a first stand of a motor to be tested, a torque motor and a braking torque stand from one end to the other end; a torque motor is installed on the braking torque rack, and a torque sensor is installed on a workbench between the torque motor and the first stand for the motor to be tested.
The static life testing device is positioned on one side of the front end of the table top of the workbench.
The static life testing device is provided with a single brake testing assembly, and the single brake testing assembly comprises an L-shaped bracket consisting of a bottom plate and a side plate; and a plurality of output terminals are uniformly distributed on the side plate.
Preferably, at least one group of brake seat groups is uniformly distributed on the bottom plate, and each group of brake seat groups comprises at least one brake seat.
Four output terminals are uniformly distributed on the side plate.
And the dynamic life testing device is provided with a second motor rack to be tested and a dynamic load inertia disc arranged on one side of the second motor rack to be tested.
A torsion display instrument is arranged on one side of the cabinet door below the workbench; and the other side is provided with a human-computer interface.
The control unit comprises a power supply and a controller; the power supply is respectively connected with the first rectifying module and the second rectifying module; the first rectifying module is respectively connected with the first servo driver, the third servo driver and the second servo driver; the second rectifying module is respectively connected with the first relay and the second relay; the controller is connected with the first servo driver, the second servo driver, the first relay and the second relay respectively.
The first servo driver is connected with a servo motor to be tested arranged on the first motor rack to be tested, and the third servo driver is connected with the torque motor.
And the second servo driver is connected with a servo motor to be tested, which is arranged on a second motor rack to be tested.
The first relay and the second relay are also connected with an external adjusting power supply through a selector switch.
The controller is also connected with a human-computer interface.
And an emergency stop switch is connected in series on a cable of the power supply.
The utility model has the beneficial effects that: the torsion testing device is used for testing the torsion of the servo motor brake, and the dynamic and static life testing devices are respectively used for testing the impact test of the servo motor with a large load and the suction life test of the single body of the servo motor brake pad.
Drawings
The foregoing and other objects, features, and advantages of the utility model will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Wherein: FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic diagram of the control unit of the present invention;
in the attached drawings, 1 is a workbench, 2 is a torsion testing device, 3 is a static life testing device, 4 is a dynamic life testing device, 5 is a torsion display instrument, and 6 is a human-computer interface;
2.1 is a first stand of a motor to be tested, 2.2 is a torque motor, 2.3 is a brake torque stand, and 2.4 is a torque sensor;
3.1 is a bottom plate, 3.2 is a bracket, 3.3 is a relay, and 3.4 is a brake seat;
4.1 is a second test motor rack, and 4.2 is a dynamic load inertia disc;
the power supply is 7.1, the first servo driver is 7.3, the second servo driver is 7.4, the third servo driver is 7.5, the change-over switch is 7.6, the external adjusting power supply is 7.7, the emergency stop switch is 7.8, the first rectifying module is 7.9, and the second rectifying module is 7.10.
Detailed Description
Referring to fig. 1-3, the brake test platform for the servo motor comprises a test workbench 1; a control unit is arranged in the workbench; the back end of the workbench top is provided with a torsion testing device 2, and the front end of the workbench top is provided with a static life testing device 3 and a dynamic life testing device 4 in parallel. The torsion testing device is used for testing the torsion of the servo motor brake, and the dynamic and static life testing devices are respectively used for testing the impact test of the servo motor with a large load and the suction life test of the single body of the servo motor brake pad.
The torque testing device is sequentially provided with a first motor rack 2.1 to be tested, a torque motor 2.2 and a braking torque rack 2.3 from one end to the other end; a torque motor is installed on the braking torque rack, and a torque sensor 2.4 is installed on a workbench between the torque motor and the first stand for the motor to be tested. The method comprises the following steps that a tested servo motor is arranged on a first tested motor rack, and a torque test, a service life test of a brake pad when the servo motor has load torque and a back clearance angle test are carried out on the servo motor through a torque motor and a first band-type brake motor arranged on a brake torque rack; and the back clearance angle test detects the rotation angle of the rotating shaft of the servo motor and designed data through the cooperation of an encoder and a control unit of the band-type brake motor.
The static life testing device is positioned on one side of the front end of the table top of the workbench.
The static life testing device is provided with a single brake testing assembly, and the single brake testing assembly comprises an L-shaped bracket 3.2 consisting of a bottom plate 3.1 and a side plate; a plurality of output terminals 3.3 are evenly distributed on the side plates. The detection area is separated from the dynamic life testing device and the torsion testing device by adopting the L-shaped bracket, so that the workbench is functionally separated, and the installation and the detection of workers are facilitated during the subsequent detection; the output terminal of the relay is utilized to enable the servo motor to be tested to be electrified, so that the test on the single-body suction service life of the brake pad of the servo motor is tested; thereby the monomer actuation life-span test can supply power to servo motor through the output terminal of relay and let servo motor brake block actuation, thereby the output terminal of rethread relay cuts off the power supply to servo motor and lets servo motor brake block not actuation, under the condition that the output terminal at the relay carries out the repeated confession outage, the also repeated actuation of brake block, when taking place under the time that the brake block set for and damaging, on the one hand the brake block will not work, tester will not hear the clatter when the brake block actuation simultaneously.
Preferably, at least one group of brake seat groups is uniformly distributed on the bottom plate, and each group of brake seat groups comprises at least one brake seat 3.4. Preferably, each group of brake bases comprises an upper brake base and a lower brake base, and the brake bases are used for limiting the motor or the brake to prevent the motor from falling off from the table surface in the test process.
Four output terminals are uniformly distributed on the side plate. Four output terminals are adopted, and the on-off of three groups of power supplies can be controlled at least on each output terminal, so that a plurality of servo motors can be detected simultaneously.
And the dynamic life testing device is provided with a second to-be-tested motor rack 4.1 and a dynamic load inertia disc 4.2 arranged on one side of the second to-be-tested motor rack. Because the inertia disc is arranged on one side of the second to-be-tested motor rack, the servo motor to be tested is arranged on the other side of the second to-be-tested motor rack, the inertia disc is connected with the driving shaft of the servo motor to be tested and can rotate along with the rotation of the driving shaft, the servo motor to be tested is loaded, and tests of different loads can be realized through inertia discs with different weights; the tested servo motor is connected with the control unit through a plug on the workbench; the control unit supplies power to the servo motor to be tested, the servo motor is powered off after running for a set time, such as 5 seconds, at the moment, the servo motor brakes through the brake, and the service life of the brake with the load is tested by using the method.
A torsion display instrument is arranged on one side of the cabinet door below the workbench and used for observation during torsion test; and a human-computer interface is arranged on the other side of the cabinet door, and data observation is conveniently carried out on the servo motor test process through the human-computer interface.
The control unit comprises a power supply 7.1 and a controller; the power supply is respectively connected with the first rectifying module 7.9 and the second rectifying module 7.10; the first rectifying module is respectively connected with a first servo driver 7.3, a third servo driver 7.5 and a second servo driver 7.4; the second rectifying module is respectively connected with the first relay and the second relay; the controller is connected with the first servo driver, the second servo driver, the first relay and the second relay respectively. The first and second rectifier modules convert the alternating current of the power supply into direct current to be supplied to the servo driver and the relay for use; one relay can control the two groups of output terminals, and the servo driver and the relay are controlled to be opened and closed through a controller in the box body.
The first servo driver is connected with a servo motor to be tested arranged on the first motor rack to be tested, and the third servo driver is connected with the torque motor. The first servo driver and the third servo driver respectively control the power on and power off of the servo motor to be tested and the torque motor.
And the second servo driver is connected with a servo motor to be tested, which is arranged on a second motor rack to be tested. And the second servo driver respectively controls the power on and off of the servo motor to be tested.
The first relay and the second relay are also connected with an external regulating power supply 7.7 through a change-over switch 7.6. An external power supply can be directly adopted through the change-over switch, and the use is convenient.
The controller is also connected with a human-computer interface. And controlling the human-computer interface through the controller.
And an emergency stop switch 7.8 is connected in series on a cable of the power supply. The emergency stop switch is arranged, so that the power supply is safer to use.
The following test procedure for the torsion test is described: the torque test aims to test the braking torque of the brake, the dragging torque is improved by increasing the input current of the torque motor 2.2 until the driving motor detects that the dragged motor rotates and displaces, the current at the moment is recorded and converted into the output torque of the torque motor, and the output torque at the moment is the braking torque of the brake.
The following describes a specific test process of the impact test of the servo motor with load:
the actual working conditions which can be met are simulated by setting the inertia of the load inertia disc, for example, setting the inertia disc to be 100 times of the inertia of the rotor of the motor. The driver is used for controlling the motor to brake frequently to test the wear resistance and the brake performance of the brake, and the specific operation mode is as follows:
installing an inertia disc on a tested motor → enabling the motor → controlling brake release of a driver → increasing the rotating speed of the motor from 0RPM to a rated rotating speed within a time T1 (about 0-2S) → stably running the motor for a period of time T2 (about 2-3S) → powering off the motor by the driver (at the moment, the brake is locked due to power loss) → stopping the motor under the braking action of the brake → waiting for a period of time (0-10S) and continuing the next cycle.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the present invention are within the scope of the present invention.
Claims (10)
1. The brake test platform for the servo motor is characterized by comprising a test workbench; a control unit is arranged in the workbench; the back end of the workbench top is provided with a torsion testing device, and the front end of the workbench top is provided with a static life testing device and a dynamic life testing device in parallel.
2. The brake test platform for the servo motor as claimed in claim 1, wherein the torque test device is provided with a first stand for a motor to be tested, a torque motor and a braking torque stand in sequence from one end to the other end; a torque motor is installed on the braking torque rack, and a torque sensor is installed on a workbench between the torque motor and the first stand for the motor to be detected.
3. The brake test platform for the servo motor according to claim 1, wherein the static life test device is located on one side of a front end of a table top.
4. The brake test platform for the servo motor as recited in claim 1, wherein a single brake test assembly is arranged on the static life test device, and the single brake test assembly comprises an L-shaped bracket consisting of a bottom plate and a side plate; and a plurality of output terminals are uniformly distributed on the side plate.
5. The brake test platform for the servo motor according to claim 1, wherein the dynamic life test device is provided with a second motor bench to be tested and a dynamic load inertia disc installed on one side of the second motor bench to be tested.
6. The brake test platform for the servo motor as claimed in claim 1, wherein a torsion indicator is arranged on one side of the cabinet door below the workbench; and the other side is provided with a human-computer interface.
7. The brake test platform for the servo motor of claim 1, wherein the control unit comprises a power supply and a controller; the power supply is respectively connected with the first rectifying module and the second rectifying module; the first rectifying module is respectively connected with the first servo driver, the third servo driver and the second servo driver; the second rectifying module is respectively connected with the first relay and the second relay; the controller is connected with the first servo driver, the second servo driver, the first relay and the second relay respectively.
8. The brake test platform for the servo motor according to claim 7, wherein the first servo driver is connected to the servo motor to be tested mounted on the first motor rack to be tested, and the third servo driver is connected to the torque motor.
9. The brake test platform for the servo motor according to claim 7, wherein the second servo driver is connected to the servo motor to be tested mounted on the second motor stand to be tested.
10. The brake test platform for the servo motor of claim 7, wherein the first and second relays are further connected to an external regulated power supply via a transfer switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122982066.3U CN216925882U (en) | 2021-11-30 | 2021-11-30 | Brake test platform for servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122982066.3U CN216925882U (en) | 2021-11-30 | 2021-11-30 | Brake test platform for servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216925882U true CN216925882U (en) | 2022-07-08 |
Family
ID=82251018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122982066.3U Active CN216925882U (en) | 2021-11-30 | 2021-11-30 | Brake test platform for servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216925882U (en) |
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2021
- 2021-11-30 CN CN202122982066.3U patent/CN216925882U/en active Active
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