Vertical measurement cabinet for servo motor measurement
By designing a vertical measuring cabinet including press, gear and induction block, the cumbersome and temperature impact of servo motor static measurement is solved, and more accurate and efficient torque measurement is achieved.
Patent Information
- Application Number
- CN202420896730.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The existing static measurement methods of servo motors are cumbersome and are affected by temperature, resulting in deviations in measurement results.
A vertical measuring cabinet is designed, including a press, a first gear, a tooth plate, an induction block and a drawer. The tooth plate is squeezed by different gravity through the press, and the servo motor is used to drive the gear and the tooth plate to rotate until the induction block loses contact to measure the torque of the servo motor.
The static measurement process of servo motors is simplified, the number of weight replacements is reduced, the impact of temperature on measurement results is reduced, and the accuracy and efficiency of measurement is improved.
Smart Images
Figure CN222838088U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of servo motor measurement, in particular to a vertical measuring cabinet used for servo motor measurement. Background Art
[0002] A servo motor is an engine that controls the operation of mechanical components in a servo system. It is an auxiliary motor indirect speed change device. The servo motor can control speed and position accuracy very accurately. It can convert voltage signals into torque and speed to drive the control object. There are mainly the following types of servo measurements of servo motors; Static test: Static tests usually use load measuring instruments or torque sensors to measure the torque and current output by the motor to determine whether the motor meets the specification parameter requirements. Dynamic test: Dynamic test is to accelerate and decelerate the motor to test its output speed and acceleration response to evaluate the dynamic performance of the motor. Feedback test: Servo motors usually use feedback devices such as encoders or absolute encoders. By testing the output signal of the feedback device, the position control accuracy and stability of the motor can be determined.
[0003] The existing static measurement of servo motors mainly uses a synchronous belt. Counterweights of different weights are placed on the surface of the synchronous belt. The synchronous belt is driven by the servo motor to move, and the output torque of the corresponding servo motor is calculated. At this time, it is necessary to replace counterweights of different weights for multiple measurements, which makes the measurement cumbersome. Secondly, due to different temperatures, the test result data is also biased. Utility Model Content
[0004] The purpose of the utility model is to provide a vertical measuring cabinet for servo motor measurement, so as to solve the problem raised in the above background technology that the existing static measurement of servo motor mainly uses a synchronous belt, and counterweights of different weights are placed on the surface of the synchronous belt. The synchronous belt is driven by the servo motor to move, and the output torque of the corresponding servo motor is calculated. At this time, it is necessary to replace counterweights of different weights for multiple measurements, which makes the measurement cumbersome. Secondly, due to different temperatures, the test result data also has deviations.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical measuring cabinet for measuring servo motors, comprising a measuring cabinet, a press is fixedly connected to the top surface of the measuring cabinet, a group of first gears are fixedly connected to the inside of the measuring cabinet, two of the first gears are meshedly connected to a toothed plate, induction blocks are fixedly connected to the symmetrical sides of the inner wall of the measuring cabinet, and a drawer is provided inside the measuring cabinet.
[0006] Preferably, a group of support rods are fixedly connected inside the measuring cabinet, two of the support rods are inserted into two sliding holes inside the drawer, and multiple rollers are rotatably connected to the upper and lower sides of the inner walls of the sliding holes.
[0007] Preferably, a group of connecting plates are fixedly connected to the inner wall of the drawer, and a coupling is fixedly connected to two of the connecting plates. A rotating rod is fixedly connected to one end of the coupling, and a second gear is fixedly connected to the rod wall of the rotating rod, and the size of the second gear is the same as that of the first gear.
[0008] Preferably, a plug hole is provided on the inner wall of the measuring cabinet, and the size of the plug hole matches the size of the rotating rod.
[0009] Preferably, an electric telescopic rod is fixedly connected to the inner wall of the drawer, and an extrusion plate for pushing the test servo motor is fixedly connected to the output end of the electric telescopic rod.
[0010] Preferably, a group of symmetrical slide grooves are provided on the inner wall of the measuring cabinet, and a movable plate is slidably connected inside two of the slide grooves, and a plurality of first vents are provided on the surfaces of the two movable plates.
[0011] Preferably, the two movable plates are commonly fixedly connected to a mounting plate, the internal threads of the mounting plate are connected to a threaded rod, the top end of the threaded rod passes through the upper wall of the measuring cabinet and is fixedly connected to a screw plate.
[0012] Preferably, a plurality of second vents are provided on two symmetrical sides of the measuring cabinet, and the sizes of the plurality of second vents are the same as those of the first vents. A group of fans for heat dissipation are fixedly connected to the top of the inner wall of the measuring cabinet, and a computer is fixedly connected to the outer wall of the measuring cabinet.
[0013] Technical effects and advantages of the utility model:
[0014] 1. The utility model has a press fixedly connected to the top surface of the measuring cabinet, and a group of first gears rotatably connected inside the measuring cabinet, the top surfaces of the two first gears are meshingly connected with a toothed plate, the toothed plate is squeezed with different gravities by the press, and then the coupling and the second gear are driven to rotate by the measured servo motor, and the toothed plate is driven to move by the second gear until it is out of contact with the induction block, so as to measure the torque of the measured servo motor.
[0015] 2. The utility model opens a plurality of second vents on the outer wall of the measuring cabinet and a plurality of first vents on the surface of the movable plate. The mounting plate is driven to move by the rotation of the threaded rod, and then the movable plate is driven to move. When it moves to the top of the slide slot, the first vent is flush with the second vent, and then the fan is started to blow air to dissipate heat inside to avoid the influence of high temperature on the measurement data. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0017] Figure 2 It is a three-dimensional structural schematic diagram of the utility model.
[0018] Figure 3 It is a front view cross-sectional structural schematic diagram of the measuring cabinet of the present utility model.
[0019] Figure 4 It is a schematic diagram of the left side sectional structure of the drawer of the present utility model.
[0020] In the figure: 1. measuring cabinet; 2. press machine; 3. first gear; 4. tooth plate; 5. drawer; 6. connecting plate; 7. coupling; 8. rotating rod; 9. second gear; 10. electric telescopic rod; 11. extrusion plate; 12. socket; 13. support rod; 14. roller; 15. screw plate; 16. threaded rod; 17. mounting plate; 18. slide; 19. moving plate; 20. first vent; 21. second vent; 22. induction block; 23. computer; 24. fan. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] The utility model provides Figure 1-4 A vertical measuring cabinet for measuring a servo motor is shown, comprising a measuring cabinet 1, a press machine 2 is fixedly connected to the top surface of the measuring cabinet 1, a group of first gears 3 are fixedly connected inside the measuring cabinet 1, two first gears 3 are meshedly connected to a toothed plate 4, induction blocks 22 are fixedly connected to the symmetrical sides of the inner wall of the measuring cabinet 1, and a drawer 5 is provided inside the measuring cabinet 1.
[0023] like Figure 2As shown, a group of connecting plates 6 are fixedly connected to the inner wall of the drawer 5, and the two connecting plates 6 are commonly fixedly connected to a coupling 7. One end of the rotating rod inside the coupling 7 is fixedly connected to a rotating rod 8, and the rod wall of the rotating rod 8 is fixedly connected to a second gear 9. The size of the second gear 9 is the same as that of the first gear 3. The rotating rod 8 is fixedly connected to one end of the rotating rod inside the coupling 7. When the servo motor drives the coupling 7 to rotate, it can drive the rotating rod 8 to rotate, and then drive the second gear 9 to rotate. The rotation of the second gear 9 can drive the tooth plate 4 to move, so that the tooth plate 4 is in contact with the sensing block 22.
[0024] like Figure 2 As shown, the inner wall of the drawer 5 is fixedly connected with an electric telescopic rod 10, and the output end of the electric telescopic rod 10 is fixedly connected with an extrusion plate 11 for pushing the test servo motor. The servo motor is moved by moving the extrusion plate 11, thereby fixing the servo motor.
[0025] like Figure 3 As shown, a group of symmetrical slide grooves 18 are provided on the inner wall of the measuring cabinet 1 , and a movable plate 19 is slidably connected inside the two slide grooves 18 , and a plurality of first ventilating openings 20 are provided on the surfaces of the two movable plates 19 .
[0026] like Figure 3 As shown, two movable plates 19 are commonly fixedly connected with a mounting plate 17, and the internal thread of the mounting plate 17 is connected with a threaded rod 16, the top of the threaded rod 16 penetrates the upper wall of the measuring cabinet 1, and is fixedly connected with a screwing plate 15, and the threaded rod 16 can be driven to rotate by screwing the screwing plate 15, and the mounting plate 17 is driven to move by the rotation of the threaded rod 16, thereby driving the movable plate 19 to move, so that the first vent 20 and the second vent 21 on the surface of the movable plate 19 are aligned, so that the wind blown by the fan 24 can dissipate the heat of the measuring cabinet 1, thereby preventing the temperature from affecting the measurement data.
[0027] like Figure 3 As shown, a plurality of second vents 21 are provided on two symmetrical sides of the measuring cabinet 1, and the sizes of the plurality of second vents 21 are the same as those of the first vents 20. A group of fans 24 for heat dissipation are fixedly connected to the top of the inner wall of the measuring cabinet 1, and a computer 23 is fixedly connected to the outer wall of the measuring cabinet 1.
[0028] like Figure 3 and Figure 4 As shown, a group of support rods 13 are fixedly connected to the inside of the measuring cabinet 1, and the two support rods 13 are inserted into the two sliding holes inside the drawer 5, and the upper and lower sides of the inner walls of the sliding holes are rotatably connected with multiple rollers 14. The inner wall of the measuring cabinet 1 is provided with a socket 12, and the size of the socket 12 matches the size of the rotating rod 8. The roller 14 is used to roll with the support rod 13, which helps to pull out and push the drawer 5.
[0029] Working principle of the utility model: When the utility model is in use, first place the servo motor to be measured in the drawer 5, then clamp the output end of the servo motor in the inside of the coupling 7, then start the electric telescopic rod 10 through the computer 23, and drive the extrusion plate 11 to move through the output end of the electric telescopic rod 10, so that the extrusion plate 11 fixes the servo motor, and then close the drawer 5, so that one end of the rotating rod 8 moves to the inside of the jack 12, so that the second gear 9 is engaged with the teeth of the tooth plate 4, and then start the press 2 so that the output end of the press 2 presses the tooth plate 4, and then start the servo motor, observe whether the computer 23 receives the induction signal of the induction block 22, and then control the pressure of the output end of the press 2 until the signal of the induction block 22 is no longer received, and the torque of the servo motor can be measured. This article highlights the innovative structure and does not elaborate on the prior art.
[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A vertical measuring cabinet for measuring a servo motor, comprising a measuring cabinet (1), characterized in that: The top surface of the measuring cabinet (1) is fixedly connected to a press machine (2), a group of first gears (3) are fixedly connected inside the measuring cabinet (1), two of the first gears (3) are meshedly connected to a toothed plate (4), induction blocks (22) are fixedly connected to the symmetrical sides of the inner wall of the measuring cabinet (1), and a drawer (5) is provided inside the measuring cabinet (1).
2. A vertical measuring cabinet for measuring servo motors according to claim 1, characterized in that: A group of support rods (13) are fixedly connected inside the measuring cabinet (1), two of the support rods (13) are inserted into two sliding holes inside the drawer (5), and a plurality of rollers (14) are rotatably connected to the upper and lower sides of the inner walls of the sliding holes.
3. The vertical measuring cabinet for measuring servo motors according to claim 1, characterized in that: A group of connecting plates (6) are fixedly connected to the inner wall of the drawer (5); a coupling (7) is fixedly connected to two connecting plates (6); a rotating rod (8) is fixedly connected to one end of the coupling (7); a second gear (9) is fixedly connected to the rod wall of the rotating rod (8); and the size of the second gear (9) is the same as that of the first gear (3).
4. The vertical measuring cabinet for measuring servo motors according to claim 1, characterized in that: The inner wall of the measuring cabinet (1) is provided with a plug hole (12), and the size of the plug hole (12) matches the size of the rotating rod (8).
5. The vertical measuring cabinet for measuring servo motors according to claim 1, characterized in that: An electric telescopic rod (10) is fixedly connected to the inner wall of the drawer (5), and an extrusion plate (11) for pushing a test servo motor is fixedly connected to the output end of the electric telescopic rod (10).
6. A vertical measuring cabinet for measuring servo motors according to claim 1, characterized in that: The inner wall of the measuring cabinet (1) is provided with a group of symmetrical sliding grooves (18), the interiors of the two sliding grooves (18) are slidably connected with movable plates (19), and the surfaces of the two movable plates (19) are provided with a plurality of first ventilation openings (20).
7. A vertical measuring cabinet for measuring servo motors according to claim 6, characterized in that: The two movable plates (19) are fixedly connected to a mounting plate (17) together, the internal thread of the mounting plate (17) is connected to a threaded rod (16), the top end of the threaded rod (16) passes through the upper wall of the measuring cabinet (1) and is fixedly connected to a screw plate (15).
8. The vertical measuring cabinet for measuring servo motors according to claim 1, characterized in that: A plurality of second ventilation openings (21) are provided on two symmetrical sides of the measuring cabinet (1), and the sizes of the plurality of second ventilation openings (21) are the same as the sizes of the first ventilation openings (20). A group of fans (24) for heat dissipation are fixedly connected to the top of the inner wall of the measuring cabinet (1), and a computer (23) is fixedly connected to the outer wall of the measuring cabinet (1).