Performance testing device for direct-current outer rotor brushless motor

Abstract

The utility model provides a direct-current outer rotor brushless motor performance testing device, which belongs to the technical field of direct-current brushless motors and comprises a bottom plate. Under the arrangement of the display screen and the power meter, the current and voltage of the motor can be detected and calculated and displayed on the display screen, under the arrangement of the limiting ring, the placing plate, the reset spring and the supporting rod, downward movement of the placing plate can be limited, vertical movement of the placing plate is guaranteed, downward movement of the placing plate drives the rack to move downwards, and the placing plate can move vertically. The downward movement of a rack drives a tooth column to rotate, the rotation of the tooth column drives a transmission gear to rotate, the rotation of the transmission gear drives a threaded rod to rotate, under the limiting of a limiting block, the rotation of the threaded rod enables the threaded rod to move, the movement of the threaded rod drives a clamping piece to move, and a motor can be preliminarily clamped and fixed; the top of the motor can be pressed through downward movement of the limiting cylinder, stable clamping and fixing of the motor are achieved, subsequent testing is assisted, and stable testing of the motor is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to direct current brushless motor technical field especially relates to a direct current outer rotor brushless motor performance testing device. BACKGROUND

[0002] Direct current brushless motor refers to the rotating electrical machine driven by square wave current, can convert direct current into mechanical energy or mechanical energy into direct current and does not contain carbon brush, direct current brushless motor has the advantages of high efficiency, long life, low noise, accurate control in many fields has wide application, direct current brushless motor needs to test its performance after manufacturing, therefore needs a kind of direct current outer rotor brushless motor performance testing device.

[0003] In the prior art, the publication number CN215415784U discloses a direct current brushless motor performance testing device, which comprises a base, a test box is installed on one side surface of the base through a hinge, a detection mechanism is installed on the test box, a groove block is installed on the top end of the base, an arc-shaped pad is installed on the top end of the groove block, an electric push rod is installed on the top end of the arc-shaped pad, an adjusting mechanism is installed on the electric push rod, a fixed block is installed on the top end of the base on one side of the groove block, and a limiting mechanism is installed on the fixed block.

[0004] The above-mentioned direct current brushless motor performance testing device uses a limiting mechanism to limit and fix the motor, but when limiting and fixing the motor, the user needs to manually rotate the screw to limit and fix the motor, which has poor manual rotation efficiency and affects the test efficiency of the motor. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the utility model provides a direct current outer rotor brushless motor performance testing device to more accurately solve the above-mentioned problems of poor fixing efficiency and effect when limiting and fixing the motor.

[0006] The utility model realizes the following technical schemes:

[0007] The utility model provides a direct current outer rotor brushless motor performance testing device, which comprises a bottom plate, a plurality of mounting holes are formed in the top surface of the bottom plate, the mounting holes are in an oval shape in cross section, a clamping assembly is arranged above the bottom plate, and the clamping assembly can clamp and fix the motor.

[0008] Further, a support frame is installed on the top end of the bottom plate through bolts, and the support frame is in an L-shaped structure in cross section.

[0009] Further, the top end of the bottom plate is provided with a display screen through a vertical rod, and the top end of the bottom plate is provided with a power meter through a bolt, and the display screen and the power meter are connected through wires.

[0010] Further, the clamping assembly comprises a plurality of support rods, a reset spring, a placement plate, a through hole, a plurality of racks and a limiting ring, the plurality of support rods are symmetrically installed at the top end of the bottom plate, the reset spring is sleeved and installed outside the support rod, the placement plate is sleeved and installed outside the support rod, the through hole is formed in the surface of the placement plate, the plurality of racks are symmetrically installed at the top end of the placement plate, and the limiting ring is installed at the top end of the support rod.

[0011] Further, the clamping assembly further comprises two limiting blocks, a threaded rod, a transmission gear, a plurality of tooth columns, a clamping piece, an air cylinder and a limiting cylinder, the two limiting blocks are symmetrically embedded and installed in the limiting ring, the threaded rod is penetratingly installed in the limiting block, the transmission gear is fixedly sleeved and installed at one end of the threaded rod, the plurality of tooth columns are symmetrically and rotationally installed on the side wall of the limiting ring, the clamping piece is rotationally installed at one end of the threaded rod, the air cylinder is installed at the top of the support frame through a bolt, and the limiting cylinder is installed at the output end of the air cylinder.

[0012] Further, the reset spring is located between the placement plate and the bottom plate, and the placement plate and the support rod are slidingly arranged.

[0013] Further, the threaded rod and the limiting block are screwed, and the transmission gear and the tooth column are engaged and driven.

[0014] Further, the tooth column and the rack are engaged and driven, and the clamping piece has an arc-shaped cross section.

[0015] The utility model discloses a beneficial effect:

[0016] The utility model discloses a direct current outer rotor brushless motor performance testing device, through being equipped with clamping assembly, utilize power meter to detect and calculate voltage, current and show on display screen, compare with design value after sampling through current, voltage through main control board MCU, ADC channel and calculate whether to meet design requirement, complete the test to motor performance, under the setting of limiting ring, placement plate, reset spring, support rod, rack, tooth column, transmission gear, threaded rod, limiting block, clamping piece can limit the down movement of placement plate, guarantee the vertical movement of placement plate, still can primary clamping and fixed to motor, utilize cylinder and drive limiting cylinder down, the down of limiting cylinder can press the top of motor, realize the clamping and fixed of motor steady, auxiliary complete the follow -up test, guarantee the test of motor steady. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model.

[0018] Figure 2 It is the bottom plate top structure schematic view of the utility model;

[0019] Figure 3 It is the clamping fixed assembly partial structure schematic view of the utility model;

[0020] Figure 4 It is the clamping fixed assembly partial structure schematic view of the utility model.

[0021] The reference signs are as follows:

[0022] In the drawing: 1, bottom plate;2, mounting hole;3, support frame;4, display screen;5, power meter;6, support rod;7, reset spring;8, placing plate;9, through hole;10, rack;11, limit ring;12, limit block;13, threaded rod;14, transmission gear;15, tooth column;16, clamping piece;17, air cylinder;18, limit cylinder. Specific implementation

[0023] In order to more clearly and completely illustrate the technical scheme of the utility model, the utility model is further described below in combination with the drawings.

[0024] Please refer to Figures 1-4 The utility model proposes a direct current outer rotor brushless motor performance testing device, including bottom plate 1, the bottom plate 1 top surface is equipped with multiple groups of mounting hole 2, the mounting hole 2 cross section is oval structure, the bottom plate 1 top is provided with clamping fixed assembly, and clamping fixed assembly can hold and fix motor, the bottom plate 1 top end is installed with support frame 3 through bolt, the support frame 3 cross section is L type structure, the bottom plate 1 top end is installed with display screen 4 through vertical rod, the bottom plate 1 top end is installed with power meter 5 through bolt, the display screen 4 and power meter 5 are connected together through wire, under the setting of mounting hole 2, can install and fix bottom plate 1, utilizes power meter 5 to detect and calculates out and shows to display screen 4 to voltage, current, simultaneously through main control board MCU, ADC channel to current, voltage are sampled and are compared with design value after calculating to judge whether it meets the design requirement, completes the test to motor performance.

[0025] The clamping assembly comprises a plurality of support rods 6, a reset spring 7, a placement plate 8, a through hole 9, a plurality of racks 10, a limiting ring 11, two limiting blocks 12, a threaded rod 13, a transmission gear 14, a plurality of tooth columns 15, a clamping piece 16, a pneumatic cylinder 17 and a limiting cylinder 18, the plurality of support rods 6 are symmetrically installed at the top end of the bottom plate 1, the reset spring 7 is sleeved and installed outside the support rod 6, the placement plate 8 is sleeved and installed outside the support rod 6, the through hole 9 is formed in the surface of the placement plate 8, the plurality of racks 10 are symmetrically installed at the top end of the placement plate 8, the limiting ring 11 is installed at the top end of the support rod 6, the two limiting blocks 12 are symmetrically embedded and installed in the limiting ring 11, the threaded rod 13 is penetratingly installed in the limiting block 12, the transmission gear 14 is fixedly sleeved and installed at one end of the threaded rod 13, the plurality of tooth columns 15 are symmetrically and rotatably installed at the side wall of the limiting ring 11, the clamping piece 16 is rotatably installed at one end of the threaded rod 13, the pneumatic cylinder 17 is installed at the top of the support frame 3 through bolts, and the limiting cylinder 18 is installed at the output end of the pneumatic cylinder 17. The reset spring 7 is located between the placement plate 8 and the bottom plate 1, the placement plate 8 is slidably arranged with the support rod 6, the threaded rod 13 is screwed with the limiting block 12, the transmission gear 14 is in meshing transmission with the tooth column 15, the tooth column 15 is in meshing transmission with the rack 10, and the cross section of the clamping piece 16 is in arc-shaped structure. Users only need to put the motor into the limiting ring 11 and place it above the placement plate 8, the weight of the motor causes the placement plate 8 to move downward and the reset spring 7 to compress, the placement plate 8 is limited to move downward under the arrangement of the support rod 6, the downward movement of the placement plate 8 drives the downward movement of the rack 10, the downward movement of the rack 10 causes the rotation of the tooth column 15, the rotation of the tooth column 15 drives the rotation of the transmission gear 14, the rotation of the transmission gear 14 drives the rotation of the threaded rod 13, under the limiting of the limiting block 12, the rotation of the threaded rod 13 causes itself to move, the movement of the threaded rod 13 drives the movement of the clamping piece 16, and the motor can be preliminarily clamped and fixed. The limiting cylinder 18 is driven to move downward by the pneumatic cylinder 17, and the downward movement of the limiting cylinder 18 can press the top of the motor, so that the motor is stably clamped and fixed.

[0026] In the present embodiment

[0027] When the direct current outer rotor brushless motor performance testing device is used, the bottom plate 1 can be installed and fixed under the installation hole 2, when the motor performance is tested, the power table 5 is used to detect and calculate the voltage and current and display on the display screen 4, at the same time, the current and voltage are sampled through the main control board MCU and ADC channel, and after calculation, the design value is compared to judge whether it meets the design requirement, the test of the motor performance is completed, through the clamping assembly, when the motor performance needs to be tested, the user only needs to put the motor into the limiting ring 11 and place it above the placement plate 8, under the action of gravity of the motor, the weight of the motor makes the placement plate 8 move downward and the reset spring 7 compress, under the setting of the supporting rod 6, the downward movement of the placement plate 8 can be limited, the vertical movement of the placement plate 8 is guaranteed, the downward movement of the placement plate 8 drives the rack 10 to move downward, the downward movement of the rack 10 drives the tooth column 15 to rotate, the rotation of the tooth column 15 drives the transmission gear 14 to rotate, the rotation of the transmission gear 14 drives the threaded rod 13 to rotate, under the limitation of the limiting block 12, the rotation of the threaded rod 13 makes itself move, the movement of the threaded rod 13 drives the clamping piece 16 to move, the motor can be preliminarily clamped and fixed, the limiting cylinder 18 is driven by the air cylinder 17 to move downward, the downward movement of the limiting cylinder 18 can press the top of the motor, the stable clamping and fixing of the motor are realized, the subsequent test is assisted to complete, and the stable test of the motor is guaranteed.

[0028] Of course, the utility model also can have other multiple implementation manners, based on this implementation manner, other implementation manners obtained by the ordinary skilled person in the art without any creative labor all belong to the range protected by the utility model.

Claims

1. A direct current outer rotor brushless motor performance testing device, characterized in that, Including the bottom plate, the top surface of the bottom plate is provided with a plurality of mounting holes, the mounting hole cross section is an oval structure, the bottom plate is provided with a clamping assembly above, the clamping assembly can clamp and fix the motor.

2. The DC outer rotor brushless motor performance testing device according to claim 1, characterized in that, The top end of the bottom plate is provided with a support frame through bolts, and the support frame cross section is L-shaped structure.

3. The DC outer rotor brushless motor performance testing device according to claim 1, characterized in that, The top end of the bottom plate is provided with a display screen through a vertical rod, and the top end of the bottom plate is provided with a power meter through bolts, and the display screen and the power meter are connected together through wires.

4. The DC outer rotor brushless motor performance testing device according to claim 1, characterized in that, The clamping assembly includes a plurality of support rods, a reset spring, a placing plate, a through hole, a plurality of racks and a limiting ring, a plurality of support rods are symmetrically installed at the top end of the bottom plate, the reset spring is sleeved and installed outside the support rod, the placing plate is sleeved and installed outside the support rod, the through hole is formed in the surface of the placing plate, a plurality of racks are symmetrically installed at the top end of the placing plate, and the limiting ring is installed at the top end of the support rod.

5. The DC outer rotor brushless motor performance testing device according to claim 1, characterized in that, The clamping assembly further comprises two limiting blocks, a threaded rod, a transmission gear, a plurality of tooth columns, a clamping piece, a cylinder and a limiting cylinder, two limiting blocks are symmetrically embedded and installed in the limiting ring, the threaded rod is installed in the limiting block, the transmission gear is fixedly sleeved and installed at one end of the threaded rod, a plurality of tooth columns are symmetrically rotatably installed on the side wall of the limiting ring, the clamping piece is rotatably installed at one end of the threaded rod, the cylinder is installed on the top of the support frame through bolts, and the limiting cylinder is installed at the output end of the cylinder.

6. The DC outer rotor brushless motor performance testing device according to claim 4, characterized in that, The reset spring is located between the placing plate and the bottom plate, and the placing plate and the support rod are slidably arranged.

7. The DC outer rotor brushless motor performance testing device according to claim 5, characterized in that, The threaded rod and the limiting block are screwed together, and the transmission gear and the tooth column are engaged and driven.

8. The DC outer rotor brushless motor performance testing device according to claim 5, characterized in that, The tooth column and the rack are engaged and driven, and the clamping piece is arc-shaped in cross section.

Images