Motor torque twin trawling detection device

Abstract

The utility model relates to the technical field of motor torque detection, in particular to a motor torque twin-trawling detection device which comprises a workbench, a boss arranged at the center of the upper surface of the workbench, a torque detector arranged above the boss, a control box arranged in the middle of the upper surface of the workbench close to the rear end, and trapezoid grooves arranged on the upper surface of the workbench close to the two ends. Trapezoid blocks are arranged at the bottoms of the movable columns, telescopic grooves are formed in the tops of the movable columns, clamping assemblies are arranged above the movable columns, and each clamping assembly comprises a lower clamping plate and an upper clamping plate corresponding to the upper portion of the lower clamping plate; according to the motor torque twin-trawling detection device, a workbench with a torque detector is arranged, a storage battery continuously supplies power to the whole device for use, two movable plates horizontally move under the cooperation of trapezoid blocks, the distance between two movable columns is fixed through friction force under the cooperation of fastening bolts, and a lower clamping plate is matched with the movable columns in an inserted connection mode under the cooperation of telescopic rods; and the height of the lower clamping plate is adjusted by fixing the position through a fixing bolt.

Description

Technical Field

[0001] The utility model relates to the technical field of motor torque detection, in particular to a motor torque drag detection device. Background Art

[0002] The motor torque drag test can accurately measure the motor's output torque, thereby verifying the motor's performance parameters, such as torque and speed, to ensure that the motor's performance under various working conditions meets the design requirements;

[0003] The utility model with announcement number CN218445727U discloses a pair-type variable frequency drive integrated testing platform device; comprising: a control system operation cabinet, a drive motor and a test motor, wherein the control system operation cabinet is connected to the drive motor on the left side outer surface, and the control system operation cabinet and the drive motor are electrically connected; the control system operation cabinet is connected to the test motor on the right side outer surface, and the control system operation cabinet and the test motor are electrically connected; and the outer surface of the drive motor is connected to a first device under test;

[0004] The above technical solution creates a stable mechanical and power constant power load to test and obtain another key quality of the object under test, and compares it with the factory report to determine whether the product performance indicators are met. Secondly, through torque sensors and instruments, key node data such as current, voltage, power consumption, temperature, torque, time, friction, fatigue test, etc. are calculated; however, the towing detection device is not convenient for stable placement and matching of motors of different sizes. The motors are of different sizes and the heights of the motor output shafts are different, which makes it inconvenient to connect and match with the corresponding coupling combination, and when performing motor torque towing, the installation distance between the two motors cannot be flexibly adjusted. Utility Model Content

[0005] The purpose of the present utility model is to provide a motor torque drag detection device to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] The top of the movable column is provided with a ladder handle, and the bottom of the movable column is provided with a ladder handle, and the top of the movable column is provided with a ladder handle.

[0008] Furthermore, the bottom of the boss is welded and fixed to the top of the workbench, and a mounting groove is provided on the upper surface of the boss. The width of the inner wall of the mounting groove is adapted to the width of the outer wall of the bottom connecting plate of the torque tester, and is fixed by screws.

[0009] In the present invention, the cooperation of the mounting groove facilitates the corresponding plug-in cooperation of the torque detector, and the assembled installation can be quickly performed with the cooperation of the screws. The torque detector is electrically connected to the controller inside the control box through a wire.

[0010] Specifically, a main shaft is provided at both ends of the central shaft of the torque tester, a slot is opened at the end of the main shaft, a coupling is provided at the outer end of the main shaft, an insert is provided at one end of the coupling corresponding to the slot, and a connection port is provided at the other end of the coupling.

[0011] In the utility model, the plug block is plugged into the slot and fixed by screws. With the cooperation of the coupling and the coaxial plug-in cooperation between the connection port and the external motor output shaft, the motor to be tested can be assembled and used.

[0012] Secondly, the bottom of the control box is welded and fixed to the workbench, a display screen is provided on the front face of the control box near the top, a battery box is provided in the cavity near the bottom on the rear face of the control box, and a battery is provided in the battery box.

[0013] In the present invention, the display screen is fixed to the control box by screws, and the display screen is electrically connected to the controller inside the control box through wires. The battery is plugged into the battery box, and the battery is electrically connected to the controller through wires.

[0014] It should be noted that the width of the inner wall of the trapezoidal groove is adapted to the width of the outer wall of the trapezoidal block, the trapezoidal block and the movable column are an integrally formed structure, and the fastening bolt passes through the through groove and is threadedly connected to the corresponding screw groove.

[0015] In the utility model, the ladder block is plugged into the ladder groove to increase the stability of the horizontal lateral movement of the movable column on the workbench. The fastening bolt is threadedly connected to the screw groove, and the fastening bolt is fixed to the workbench through friction, so that the position of the movable column is fixed on the workbench, which facilitates the adjustment of the distance between the two motors that need to be detected.

[0016] Furthermore, the width of the inner wall of the telescopic slot is adapted to the width of the outer wall of the telescopic rod, the fixing bolt is threadedly connected to the first screw hole, and the end of the fixing bolt is in close contact with the outer wall of the telescopic rod.

[0017] In the present invention, the telescopic rod is plugged into the telescopic slot, and the fixing bolt is threadedly connected to the first screw hole. The position of the telescopic rod in the telescopic slot is fixed under the action of friction, thereby realizing the height adjustment of the lower clamping plate, which helps to clamp the output shafts of motors of different sizes at the same level.

[0018] Specifically, a groove is provided at the center of the upper surface of the lower splint, through slots are provided at both ends of the upper surface of the lower splint, and second screw holes are provided near the four corners of the upper surface of the lower splint.

[0019] In the utility model, the cooperation of the groove is helpful to detect the position limit of the bottom of the motor.

[0020] It is worth adding that a positioning hole is opened at the top of the upper splint corresponding to the second screw hole, and a fixing screw is provided in the positioning hole. A limit plate is provided on the lower surface of the upper splint corresponding to the through groove, and an anti-slip pad is also provided at the center of the lower surface of the upper splint.

[0021] In the utility model, the fixing screw passes through the positioning hole and is threadedly connected to the second screw hole to achieve fixation between the upper splint and the lower splint. The limit plate is plugged into the groove, which helps the upper splint to be stably and quickly plugged into the lower splint. With the cooperation of the anti-slip pad, the friction force of the outer wall of the motor to be tested is increased, which helps to stabilize the clamping and installation.

[0022] Furthermore, a drag motor is clamped in the left clamping assembly on the upper surface of the workbench, and a motor to be tested is clamped in the right clamping assembly on the upper surface of the workbench. The output shafts of the drag motor and the motor to be tested are coaxially connected to the corresponding couplings and are fixed by corresponding screws.

[0023] In the utility model, the drag motor and the motor under test are respectively clamped between the corresponding upper clamping plate and the lower clamping plate, and are plugged into and matched with the output shafts of the drag motor and the motor under test through the connection port on the coupling, and are fixed in position by corresponding screws. When the drag motor is running, the drag motor transmits the torque to one of the couplings, and one of the couplings transmits the torque to the torque detector through the main shaft. The torque detector performs torque detection and transmits the torque to the main shaft. The main shaft transmits the torque to the other coupling, and finally the torque is transmitted to the motor under test.

[0024] Compared with the prior art, the beneficial effects of the present invention are:

[0025] 1. The utility model is provided with a workbench with a torque tester, a control box with a display screen is connected to the torque tester, and a battery continuously powers the whole. The two movable plates move horizontally in the trapezoidal groove on the workbench with the cooperation of the trapezoidal blocks, and the distance between the two movable columns is fixed by friction with the cooperation of the fastening bolts, so as to realize the distance adjustment between the two motors. The lower splint is plugged into the movable column in cooperation with the telescopic rod and fixed in position by the fixing bolt to realize the height adjustment of the lower splint, which is helpful for clamping motors of different sizes and manually adjusting the corresponding connection between the motor output shaft and the torque tester main shaft.

[0026] 2. The utility model realizes stable clamping and installation of motors of different sizes by setting the upper clamping plate to be plugged into the groove on the limit plate, and the fixing screw passes through the positioning hole and is threadedly connected to the second screw hole. With the cooperation of the anti-slip pad, the stability of the upper and lower clamping plates in clamping and installing the motor is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 This is a schematic diagram of the structure of the utility model in a towing state;

[0029] Figure 3 This is a schematic diagram of the combined structure of the workbench and control box of the utility model;

[0030] Figure 4 This is a rear view schematic diagram of the control box of the present invention;

[0031] Figure 5 This is a schematic structural diagram of the torque detector of the present utility model;

[0032] Figure 6 This is a schematic diagram of the combined structure of the movable column, lower splint and upper splint of the utility model;

[0033] Figure 7 This is a schematic diagram of the combined structure of the movable column and the lower splint of the utility model.

[0034] The meaning of each number in the figure is:

[0035] 1. Workbench; 10. Trapezoidal groove; 100. Through groove; 11. Boss; 110. Mounting groove;

[0036] 2. Torque tester; 20. Spindle; 200. Slot; 21. Coupling; 210. Insert;

[0037] 3. Control box; 30. Display screen; 31. Battery box; 310. Battery;

[0038] 4. Movable column; 40. Trapezoidal block; 400. Screw groove; 401. Fastening bolt; 41. First screw hole; 410. Fixing bolt; 42. Telescopic slot;

[0039] 5. Lower splint; 50. Telescopic rod; 51. Through slot; 52. Second screw hole; 53. Groove;

[0040] 6. Upper splint; 60. Positioning hole; 600. Fixing screw; 61. Limiting plate; 62. Anti-slip pad;

[0041] 7. Driving motor;

[0042] 8. Motor under test. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0044] See also Figure 1-Figure 7 , this embodiment provides a technical solution:

[0045] A motor torque drag detection device includes a workbench 1, a boss 11 is provided at the center of the upper surface of the workbench 1, a torque detector 2 is provided above the boss 11, a control box 3 is provided in the middle of the upper surface of the workbench 1 near the rear end, the bottom of the boss 11 is welded and fixed to the top of the workbench 1, and an installation groove 110 is opened on the upper surface of the boss 11. The width of the inner wall of the installation groove 110 is adapted to the width of the outer wall of the bottom connecting plate of the torque detector 2, and is fixed by screws.

[0046] In the present invention, the mounting groove 110 cooperates with the torque detector 2 to facilitate corresponding plug-in cooperation, and can be quickly assembled and installed with the screws. The torque detector 2 is electrically connected to the internal controller of the control box 3 through a wire.

[0047] Furthermore, a main shaft 20 is provided at both ends of the central axis of the torque tester 2, a slot 200 is opened at the end of the main shaft 20, a coupling 21 is provided at the outer end of the main shaft 20, an insert block 210 is provided at one end of the coupling 21 corresponding to the slot 200, and a connection port is provided at the other end of the coupling 21.

[0048] In the present invention, the plug block 210 is plugged into the slot 200 and fixed by screws. With the cooperation of the coupling 21 and the coaxial plug-in cooperation between the connection port and the external motor output shaft, the motor to be tested can be assembled and used.

[0049] Specifically, the bottom of the control box 3 is welded and fixed to the workbench 1 , a display screen 30 is provided on the front face of the control box 3 near the top, a battery box 31 is provided in the cavity near the bottom on the rear face of the control box 3 , and a battery 310 is provided in the battery box 31 .

[0050] In the present invention, the display screen 30 is fixed to the control box 3 by screws, and the display screen 30 is electrically connected to the controller inside the control box 3 through wires, the battery 310 is plugged into the battery box 31, and the battery 310 is electrically connected to the controller through wires.

[0051] It should be noted that a trapezoidal groove 10 is provided near both ends of the upper surface of the workbench 1, a movable column 4 is provided above the trapezoidal groove 10, and a trapezoidal block 40 is provided at the bottom of the movable column 4. The width of the inner wall of the trapezoidal groove 10 is adapted to the width of the outer wall of the trapezoidal block 40. The trapezoidal block 40 and the movable column 4 are an integrally formed structure, and the fastening bolt 401 passes through the through groove 100 and is threadedly connected to the corresponding screw groove 400.

[0052] In the present invention, the ladder block 40 is plugged into the ladder groove 10 to increase the stability of the horizontal lateral movement of the movable column 4 on the workbench 1. The fastening bolt 401 is threadedly connected to the screw groove 400, and the fastening bolt 401 is fixed to the workbench 1 through friction, so that the position of the movable column 4 is fixed on the workbench 1, which is convenient for adjusting the distance between the two motors that need to be detected.

[0053] It is worth adding that a telescopic slot 42 is provided on the top of the movable column 4, and a clamping assembly is provided above the movable column 4, which includes a lower splint 5 and an upper splint 6 corresponding to the lower splint 5. Through slots 100 connected to the trapezoidal slot 10 are provided on the outer walls on both sides of the workbench 1, and screw grooves 400 are provided at positions corresponding to the through slots 100 on the outer wall of the trapezoidal block 40. Fastening bolts 401 are provided in the screw grooves 400, and a telescopic rod 50 is provided at the bottom of the lower splint 5. The width of the inner wall of the telescopic slot 42 is adapted to the width of the outer wall of the telescopic rod 50, and the fixing bolt 410 is threadedly connected to the first screw hole 41, and the end of the fixing bolt 410 is close to the outer wall of the telescopic rod 50.

[0054] In the present invention, the telescopic rod 50 is plugged into the telescopic slot 42, and the fixing bolt 410 is threadedly connected to the first screw hole 41. Under the action of friction, the position of the telescopic rod 50 in the telescopic slot 42 is fixed, thereby realizing the height adjustment of the lower clamping plate 5, which helps to clamp the output shafts of motors of different sizes at the same level.

[0055] Furthermore, a first screw hole 41 communicating with the telescopic slot 42 is opened on the outer wall of the movable column 4 near the top, and a fixing bolt 410 is provided in each of the first screw holes 41 .

[0056] Secondly, a groove 53 is provided at the center of the upper surface of the lower splint 5 , through slots 51 are provided at both ends of the upper surface of the lower splint 5 , and second screw holes 52 are provided near the four corners of the upper surface of the lower splint 5 .

[0057] In the present invention, the cooperation of the groove 53 is helpful to detect the position limit of the bottom of the motor.

[0058] Furthermore, a positioning hole 60 is opened at the top of the upper splint 6 corresponding to the second screw hole 52, and a fixing screw 600 is provided in the positioning hole 60. A limit plate 61 is provided on the lower surface of the upper splint 6 corresponding to the through groove 51, and an anti-slip pad 62 is also provided at the center of the lower surface of the upper splint 6.

[0059] In the present invention, the fixing screw 600 passes through the positioning hole 60 and is threadedly connected to the second screw hole 52 to achieve fixation between the upper splint 6 and the lower splint 5. The limiting plate 61 is plugged into the through groove 51, which helps the upper splint 6 to be stably and quickly plugged into the lower splint 5. With the cooperation of the anti-slip pad 62, the friction force of the outer wall of the motor to be tested is increased, which helps to stabilize the clamping and installation.

[0060] Furthermore, a drag motor 7 is clamped in the clamping assembly on the left side of the upper surface of the workbench 1, and a motor to be tested 8 is clamped in the clamping assembly on the right side of the upper surface of the workbench 1. The output shafts of the drag motor 7 and the motor to be tested 8 are coaxially connected to the corresponding couplings 21, and are fixed by corresponding screws.

[0061] In the present utility model, the drag motor 7 and the motor under test 8 are respectively clamped between the corresponding upper clamping plate 6 and the lower clamping plate 5, and are plugged into the output shafts of the drag motor 7 and the motor under test 8 through the connection port on the coupling 21, and are fixed in position by corresponding screws. When the drag motor 7 is running, the drag motor 7 transmits the torque to one of the couplings 21, and one of the couplings 21 transmits the torque to the torque detector 2 through the main shaft 20. The torque detector 2 performs torque detection and transmits the torque to the main shaft 20. The main shaft 20 transmits the torque to the other coupling 21, and finally the torque is transmitted to the motor under test 8.

[0062] When using the motor torque drag detection device of this embodiment, the user first inserts the battery 310 into the control box 3 with the battery box 31, then fixes the boss 11 with the mounting slot 110 to the workbench 1, and fixes the torque detector 2 to the mounting slot 110 by screws, and then plugs the coupling 21 into the slot 200 on the main shaft 20 through the plug block 210 and fixes the position with screws, and manually inserts the movable column 4 through the ladder block 40 and the ladder slot 10 on the workbench 1. The fastening bolt 401 passes through the through slot 100 and is threadedly connected to the screw groove 400. The lower clamping plate 5 with the groove 53 is plugged into the telescopic slot 42 at the top of the movable column 4 through the telescopic rod 50. With the cooperation of the fixing bolt 410 and the first screw hole 41, the total length adjustment of the telescopic rod 50 and the movable column 4 is achieved. Finally, the upper clamping plate 6 is plugged into the through slot 51 through the limiting plate 61. The fixing screw 600 passes through the positioning hole 60 and is threadedly connected to the second screw hole 52 to achieve corresponding clamping cooperation.

[0063] When it is necessary to perform the torque drag detection operation of the tested motor 8, the tested motor 8 is manually placed in the right clamping assembly, and the fixing screw 600 is manually rotated to clamp and fix the tested motor 8 with the upper clamping plate 6 and the lower clamping plate 5. According to the height of the output shaft of the tested motor 8, the position of the telescopic rod 50 in the telescopic slot 42 is manually adjusted to achieve the plug-in fit of the output shaft of the tested motor 8 and the connecting port on the right coupling 21, and fixed by screws. Then, the dragging motor 7 is placed in the left clamping assembly, and the corresponding fixing screw 600 is manually rotated to achieve the clamping and fixation of the corresponding upper clamping plate 6 and the lower clamping plate 5 to the dragging motor 7. According to the height of the output shaft of the dragging motor 7, the position of the telescopic rod 50 in the telescopic slot 42 is manually adjusted to achieve the plug-in fit of the output shaft of the dragging motor 7 and the connecting port on the left coupling 21, and fixed by screws.

[0064] When the control switch on the display screen 30 is turned on, the torque tester 2 detects the torque information in real time and displays it on the display screen 30, which is convenient for the user to obtain the torque information. The battery 310 is used for overall power supply. The two movable columns 4 are conveniently adjusted in distance with the cooperation of the fastening bolts 401. The telescopic rod 50 slides in cooperation with the telescopic slot 42 and, in cooperation with the fixing bolt 410, different height adjustments are achieved, which helps the motor output shaft to be tested to correspond to the main shaft 20 of the torque tester 2. The overall combination is easy to install and convenient for manual operation.

Claims

1. A motor torque drag detection device, comprising a workbench (1), a boss (11) provided at the center of the upper surface of the workbench (1), a torque detector (2) provided above the boss (11), and a control box (3) provided in the middle of the upper surface of the workbench (1) near the rear end, characterized in that: The upper surface of the workbench (1) is provided with a ladder-shaped groove (10) near both ends, and a movable column (4) is provided above the ladder-shaped groove (10), and a ladder-shaped block (40) is provided at the bottom of the movable column (4), and a telescopic groove (42) is provided at the top of the movable column (4). A clamping assembly is provided above the movable column (4), and the clamping assembly includes a lower clamping plate (5) and an upper clamping plate (6) corresponding to the upper side of the lower clamping plate (5). The outer walls on both sides of the workbench (1) are provided with ladder-shaped blocks (40). A through slot (100) is connected to the shaped slot (10), a screw slot (400) is opened at a position corresponding to the through slot (100) on the outer wall of the ladder block (40), and a fastening bolt (401) is provided in each of the screw slots (400), a telescopic rod (50) is provided at the bottom of the lower clamping plate (5), and a first screw hole (41) connected to the telescopic slot (42) is opened near the top on the outer wall of the movable column (4), and a fixing bolt (410) is provided in each of the first screw holes (41).

2. The motor torque drag detection device according to claim 1, characterized in that: The bottom of the boss (11) is welded and fixed to the top of the workbench (1), and a mounting groove (110) is provided on the upper surface of the boss (11). The width of the inner wall of the mounting groove (110) matches the width of the outer wall of the bottom connecting plate of the torque detector (2), and the mounting groove is fixed by screws.

3. The motor torque drag detection device according to claim 2, characterized in that: The torque detector (2) has a main shaft (20) at both ends of the central shaft, a slot (200) at each end of the main shaft (20), a coupling (21) at the outer end of the main shaft (20), an insert (210) at one end of the coupling (21) corresponding to the slot (200), and a connection port at the other end of the coupling (21).

4. The motor torque drag detection device according to claim 1, characterized in that: The bottom of the control box (3) is welded and fixed to the workbench (1); a display screen (30) is provided on the front face of the control box (3) near the top; a battery box (31) is provided in a cavity near the bottom on the rear face of the control box (3); and a storage battery (310) is provided in the battery box (31).

5. The motor torque drag detection device according to claim 1, characterized in that: The width of the inner wall of the trapezoidal groove (10) is adapted to the width of the outer wall of the trapezoidal block (40); the trapezoidal block (40) and the movable column (4) are an integrally formed structure; the fastening bolt (401) passes through the through groove (100) and is threadedly connected to the corresponding screw groove (400).

6. The motor torque drag detection device according to claim 1, characterized in that: The width of the inner wall of the telescopic slot (42) is adapted to the width of the outer wall of the telescopic rod (50), the fixing bolt (410) is threadedly connected to the first screw hole (41), and the end of the fixing bolt (410) is in close contact with the outer wall of the telescopic rod (50).

7. The motor torque drag detection device according to claim 1, characterized in that: A groove (53) is provided at the center of the upper surface of the lower clamping plate (5), through grooves (51) are provided at both ends of the upper surface of the lower clamping plate (5), and second screw holes (52) are provided near the four corners of the upper surface of the lower clamping plate (5).

8. The motor torque drag detection device according to claim 7, characterized in that: A positioning hole (60) is provided at the top of the upper splint (6) corresponding to the second screw hole (52), and a fixing screw (600) is provided in each of the positioning holes (60). A limiting plate (61) is provided at the lower surface of the upper splint (6) corresponding to the through groove (51), and an anti-slip pad (62) is also provided at the center of the lower surface of the upper splint (6).

9. The motor torque drag detection device according to claim 3, characterized in that: A drag motor (7) is clamped in a clamping assembly on the left side of the upper surface of the workbench (1), and a motor to be tested (8) is clamped in a clamping assembly on the right side of the upper surface of the workbench (1). The output shafts of the drag motor (7) and the motor to be tested (8) are coaxially connected to corresponding couplings (21) and are fixed by corresponding screws.

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