Motor load tester

Abstract

The utility model discloses a motor load tester which comprises a mounting table and a detection table. A first moving mechanism is mounted at the upper end of the mounting table, a mounting plate is mounted at the upper end of the first moving mechanism, a detection motor is mounted on the upper side of the mounting plate, an inserting rod is mounted at the front end of the detection motor, and a second moving mechanism is mounted at the upper end of the detection table; the upper end of the second moving mechanism is sequentially provided with a first test assembly, a second test assembly and a third test assembly, and the front end of the first test assembly, the front end of the second test assembly and the front end of the third test assembly are each provided with an insertion groove. During detection, the first test assembly, the second test assembly and the third test assembly can be driven to move through the second moving mechanism according to requirements, the resistances of the first test assembly, the second test assembly and the third test assembly are different, different resistance values of the detection motor can be detected, frequent installation is not needed, and the detection efficiency is improved. The operation is very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of motor testing, in particular to a motor load tester. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy according to the law of electromagnetic induction. It is represented by the letter M (D in the old standard) in the circuit. Its main function is to generate driving torque. As a power source for electrical appliances or various machines, the motor needs to be tested for load during production.

[0003] Chinese patent number ZL201521106588.5 discloses a motor load tester, including a first mounting seat, a load motor mounted on the first mounting seat, a control device for controlling the speed and torque of the load motor, a second mounting seat for mounting the motor to be tested, and a connecting device for connecting the output shaft of the load motor and the output shaft of the motor to be tested, the control device is connected to the load motor, and the second mounting seat can be moved and fixed relative to the first mounting seat. In the process of using the prior art, there are few variables, which affects the accuracy of the motor test. Utility Model Content

[0004] The utility model aims to provide a motor load tester to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a motor load tester, comprising a mounting platform and a detection platform; the mounting platform is installed at one side of the detection platform, a first moving mechanism is installed at the upper end of the mounting platform, a mounting plate is installed at the upper end of the first moving mechanism, a detection motor is installed at the upper side of the mounting plate, a plug-in rod is installed at the front end of the detection motor, a second moving mechanism is installed at the upper end of the detection platform, a first test component, a second test component and a third test component are installed at the upper end of the second moving mechanism in sequence, a plug-in slot is installed at the front end of the first test component, the second test component and the third test component are all installed with a plug-in slot, and the plug-in rod is inserted into the plug-in slot.

[0006] Preferably, the first moving mechanism is composed of a rodless cylinder and a slider, the rodless cylinder is installed on the upper side of the mounting platform, and the slider is slidably installed on the upper side of the rodless cylinder.

[0007] Preferably, the second moving mechanism consists of a slide, a screw and a power motor, both ends of the screw are rotatably installed in the middle position of the upper side of the detection platform, one end of the screw passes through the detection platform and is installed at the front end of the power motor, the power motor is installed at one end of the detection platform, a screw nut is installed in the middle position of the slide, and the screw nut is rotatably installed on the upper side of the screw.

[0008] Preferably, sliding rods are provided at both ends of the screw rod, and the sliding rods pass through both ends of the slide table and are installed at an internal position of the detection table.

[0009] Preferably, the power motor is configured as a servo motor.

[0010] Preferably, the first test assembly, the second test assembly and the third test assembly are all composed of a mounting tube, a counterweight block and a damping bearing, the counterweight block is installed inside the mounting tube, and damping bearings are installed on the outer sides of the shafts at both ends of the counterweight block, and the damping bearings are installed at both ends of the mounting tube.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. During the test, the first test assembly, the second test assembly and the third test assembly can be driven to move by the second moving mechanism according to the needs. The resistance of the first test assembly, the second test assembly and the third test assembly are different, and different resistance values ​​of the detection motor can be tested without frequent installation, which is very convenient;

[0013] 2. When the second moving mechanism is in use, the power motor is turned on by the switch, and the power motor will drive the screw rod to rotate. During the rotation of the screw rod, the slider will be driven to move through the screw rod nut, so that the positions of the first test assembly, the second test assembly and the third test assembly can be adjusted;

[0014] 3. The setting of the slide bar is used to limit the moving range of the slide to avoid the slide from shaking during use;

[0015] 4. The weight of the counterweight blocks inside the first test assembly, the second test assembly and the third test group increases successively, and the resistance of the damping bearings at both ends of the counterweight blocks inside the first test assembly, the second test assembly and the third test group increases successively, so that the detection motor can be tested with different resistances. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the second moving mechanism of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the first moving mechanism of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the first testing mechanism of the utility model.

[0021] In the figure: 1. mounting table; 2. testing table; 3. first test assembly; 4. plug-in rod; 5. mounting plate; 6. testing motor; 7. first moving mechanism; 8. rodless cylinder; 9. slider; 10. plug-in slot; 11. third test assembly; 12. second test assembly; 13. power motor; 14. lead screw; 15. lead screw nut; 16. slide rod; 17. slide table; 18. mounting cylinder; 19. counterweight; 20. damping bearing; 21. second moving mechanism. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In an embodiment of the utility model, a motor load tester comprises a mounting platform 1 and a detection platform 2; the mounting platform 1 is mounted on one side of the detection platform 2, a first moving mechanism 7 is mounted on the upper end of the mounting platform 1, a mounting plate 5 is mounted on the upper end of the first moving mechanism 7, a detection motor 6 is mounted on the upper side of the mounting plate 5, a plug-in rod 4 is mounted on the front end of the detection motor 6, a second moving mechanism 21 is mounted on the upper end of the detection platform 2, a first test component 3, a second test component 12 and a third test component 11 are mounted on the upper end of the second moving mechanism 21 in sequence, a plug-in slot 10 is mounted on the front end of the first test component 3, the second test component 12 and the third test component 11, and a plug-in slot 10 is inserted into the plug-in slot 10.

[0024] The first moving mechanism 7 is composed of a rodless cylinder 8 and a slider 9. The rodless cylinder 8 is installed on the upper side of the mounting platform 1, and the slider 9 is slidably installed on the upper side of the rodless cylinder 8. When the first moving mechanism 7 is in use, the rodless cylinder 8 is turned on by a switch, and the rodless cylinder 8 will drive the slider 9 to move, thereby facilitating the movement of the detection motor 6, thereby facilitating the installation, disassembly and docking of the detection motor 6.

[0025] The second moving mechanism 21 is composed of a slide 17, a screw 14 and a power motor 13. The two ends of the screw 14 are rotatably mounted in the middle position of the upper side of the detection platform 2. One end of the screw 14 passes through the detection platform 2 and is mounted at the front end of the power motor 13. The power motor 13 is mounted at one end of the detection platform 2. A screw nut 15 is installed in the middle position of the slide 17. The screw nut 15 is rotatably mounted on the upper side of the screw 14. When the second moving mechanism 21 is in use, the power motor 13 is turned on by a switch, and the power motor 13 will drive the screw 14 to rotate. During the rotation of the screw 14, the slider 9 will be driven to move through the screw nut 15, so that the positions of the first test component 3, the second test component 12 and the third test component 11 can be adjusted. Slide rods 16 are set at both ends of the screw 14. The slide rods 16 pass through the two ends of the slide 17 and are installed in the internal position of the detection platform 2. The setting of the slide rod 16 is used to limit the moving range of the slide 17 to avoid the slide 17 from shaking during use.

[0026] The power motor 13 is configured as a servo motor. The servo motor used in the power motor 13 is mainly controlled by an encoder. The encoder can accurately control the rotation speed and number of rotations of the power motor 13, thereby facilitating the control of the position conversion of the first test component 3, the second test component 12 and the third test component 11; the first test component 3, the second test component 12 and the third test component 11 are all composed of a mounting tube 18, a counterweight 19 and a damping bearing 20. The counterweight 19 is mounted inside the mounting tube 18. Damping bearings 20 are installed on the outer sides of the shafts at both ends of the counterweight 19. The damping bearings 20 are mounted at both ends of the mounting tube 18. The weight of the counterweight 19 inside the first test component 3, the second test component 12 and the third test group increases successively, and the resistance of the damping bearings 20 at both ends of the counterweight 19 inside the first test component 3, the second test component 12 and the third test group increases successively, so that the detection motor 6 can be tested with different resistances.

[0027] The working principle and use process of the utility model are as follows: when in use, the detection motor 6 is installed on the mounting plate 5 above the first moving mechanism 7, and then the plug-in rod 4 is installed at the front end of the detection motor 6. The detection motor 6 is driven to move forward by the first moving mechanism 7. During the movement of the detection motor 6 forward, the plug-in rod 4 will be plugged into the plug-in slot 10, and the installation of the detection motor 6 can be completed. During the detection, the first test component 3, the second test component 12 and the third test component 11 can be driven to move according to needs through the second moving mechanism 21. The resistance of the first test component 3, the second test component 12 and the third test component 11 are different, and different resistance values ​​of the detection motor 6 can be detected. There is no need for frequent installation, which is very convenient.

[0028] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A motor load tester, comprising a mounting platform (1) and a testing platform (2); characterized in that: The mounting platform (1) is mounted on one side of the detection platform (2); a first moving mechanism (7) is mounted on the upper end of the mounting platform (1); a mounting plate (5) is mounted on the upper end of the first moving mechanism (7); a detection motor (6) is mounted on the upper side of the mounting plate (5); a plug-in rod (4) is mounted on the front end of the detection motor (6); a second moving mechanism (21) is mounted on the upper end of the detection platform (2); a first test component (3), a second test component (12) and a third test component (11) are mounted on the upper end of the second moving mechanism (21) in sequence; plug-in slots (10) are mounted on the front ends of the first test component (3), the second test component (12) and the third test component (11); the plug-in rod (4) is inserted into the plug-in slots (10).

2. A motor load tester according to claim 1, characterized in that: The first moving mechanism (7) is composed of a rodless cylinder (8) and a slider (9); the rodless cylinder (8) is mounted on the upper side of the mounting platform (1); and the slider (9) is slidably mounted on the upper side of the rodless cylinder (8).

3. A motor load tester according to claim 1, characterized in that: The second moving mechanism (21) is composed of a slide (17), a screw rod (14) and a power motor (13); both ends of the screw rod (14) are rotatably mounted at the middle position of the upper side of the detection platform (2); one end of the screw rod (14) passes through the detection platform (2) and is mounted at the front end of the power motor (13); the power motor (13) is mounted at one end of the detection platform (2); a screw rod nut (15) is mounted at the middle position of the slide (17); and the screw rod nut (15) is rotatably mounted on the upper side of the screw rod (14).

4. A motor load tester according to claim 3, characterized in that: Sliding rods (16) are provided at both ends of the screw rod (14), and the sliding rods (16) pass through both ends of the sliding platform (17) and are installed at an internal position of the detection platform (2).

5. The motor load tester according to claim 1, characterized in that: The first test assembly (3), the second test assembly (12) and the third test assembly (11) are all composed of a mounting tube (18), a counterweight (19) and a damping bearing (20); the counterweight (19) is mounted inside the mounting tube (18); damping bearings (20) are mounted on the outer sides of the shafts at both ends of the counterweight (19); and the damping bearings (20) are mounted at both ends of the mounting tube (18).

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