CN212180972U

CN212180972U - Permanent magnet motor brake sensitivity detection device

Info

Publication number: CN212180972U
Application number: CN202020471046.2U
Authority: CN
Inventors: 吴斌; 郑炜
Original assignee: Fujian Zhongyan Electromechanical Technology Co ltd
Current assignee: Fujian Zhongyan Electromechanical Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-18
Anticipated expiration: 2030-04-03

Abstract

The utility model provides a permanent-magnet machine brake sensitivity detection device, includes testing platform, and the testing platform front end is fixed with the mounting panel, and the rear end is fixed with the supporting seat, and the supporting seat is used for putting and treats the side motor, rotates on the mounting panel and is connected with two meshing complex first gears, and wherein first gear includes the master gear of being connected with the motor, the pinion that uses with the master gear cooperation, is connected with speed sensor on the pinion, and speed sensor electricity allies oneself with on data display instrument. The utility model discloses a permanent-magnet machine brake sensitivity detection device for do the detection to the brake sensitivity of motor, specifically shut down the back through the motor, observe the master gear and learn with pinion stall reaction, and detect the rotational speed not only on a rotational speed, can obtain the brake reaction under the different rotational speeds through speed sensor, guarantee that test data is accurate, be worth promoting.

Description

Permanent magnet motor brake sensitivity detection device

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a permanent-magnet machine brake sensitivity detection device.

Background

The permanent magnet synchronous motor is a synchronous motor which generates a synchronous rotating magnetic field by permanent magnet excitation, the permanent magnet is used as a rotor to generate a rotating magnetic field, and a three-phase stator winding is reacted through an armature under the action of the rotating magnetic field to induce three-phase symmetrical current, so that the permanent magnet synchronous motor is a common motor in the market at present. The brake is a common protection measure in the motor, an electromagnetic brake is arranged at the tail of the motor, the electromagnetic brake is electrified and sucked when being electrified, the electromagnetic brake does not brake the motor, when the brake motor is powered off, the electromagnetic brake is also powered off, and the brake brakes the motor under the action of a spring. The motor should have the performance of braking rapidly, so manufacturers can detect the braking of the motor. Chinese patent CN201720909523.7 brake motor detects frock can know in this file that this brake effect to the motor is realized through the megaphone, judges this motor brake effect through sound, from this to the brake effect of motor whether target in place make the judgement, make brake effect unable to obtain the assurance, the sound of the brake is enlargied in the public address simultaneously to the ear degree, makes the eardrum of observation personnel receive the influence of ear sound for a long time, can influence healthily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve above-mentioned prior art's shortcoming, provide a convenient to use's permanent-magnet machine brake sensitivity detection device to solve the above-mentioned problem that can't correctly judge this brake effect.

The utility model provides a technical scheme that its technical problem adopted: the permanent magnet motor brake sensitivity detection device comprises a detection platform, wherein a mounting plate is fixed at the front end of the detection platform, a supporting seat is fixed at the rear end of the detection platform, the supporting seat is used for placing a motor to be placed, two first gears matched with each other are rotatably connected onto the mounting plate, each first gear comprises a main gear connected with the motor and an auxiliary gear matched with the main gear for use, a rotating speed sensor is connected onto the auxiliary gear, and the rotating speed sensor is electrically connected onto a data display instrument. Therefore, whether the brake of the motor can be rapidly stopped or not is judged by utilizing the rotation of the motor driving gear, and meanwhile, the brake effect displayed when the motor generates different rotating speeds can be detected by the arrangement of the rotating speed sensor, so that the brake performance of the motor can be accurately judged.

Further perfection, the upper surface of the detection platform is provided with a protection mechanism for increasing the rotation stability of the main gear and the auxiliary gear. Thus, the protection mechanism is used for increasing the rotation stability of the main gear and the auxiliary gear and preventing the gear from generating unstable conditions, thereby influencing the detection accuracy.

Further perfecting, the first protection mechanism comprises a seat body and a second gear which is rotatably connected in the second seat body, and the second gear is respectively meshed and matched with the main gear and the auxiliary gear. Therefore, the gear is added to support the bottoms of the main gear and the pinion, so that the main gear and the pinion rotate more smoothly, and the detection accuracy is guaranteed.

Further perfection, the surface of the mounting plate close to the main gear and the pinion is provided with a second protection mechanism for increasing the rotation stability of the main gear and the pinion. The protection mechanism is used for increasing the rotation stability of the main gear and the auxiliary gear, and preventing the gear from generating unstable conditions, so that the detection accuracy is ensured.

Further perfecting, the second protection mechanism includes two symmetry settings master gear guiding axle, the pinion guiding axle of two symmetry settings, opens the first passageway that supplies the master gear guiding axle to exist on the surface of master gear near the master gear guiding axle, and first passageway is the arc nature setting, and the pinion is opened on the surface near the pinion guiding axle has the second passageway that supplies the pinion guiding axle to exist in, and the second passageway is the arc nature setting. Therefore, the main gear and the pinion are provided with supporting force and guiding in rotation, so that the main gear and the pinion rotate more smoothly and stably, and the detection accuracy is ensured.

Further perfection, the supporting seat is connected to the detection platform in a sliding manner. Like this, can be according to the use position of the size adjustment supporting seat of motor to make this detection device application range wide, the suitability is high.

Further perfect, testing platform opens has the passway groove, is equipped with ball screw in the passway groove, and the last movably connected with slider of ball screw, slider are fixed in the supporting seat bottom. The structure feeds in time, can bring the supporting seat to a working position in time, and meanwhile, can not continue to feed under the action of no external force, and has good use effect.

Further perfection, the supporting seat comprises a base and a supporting arm arranged in the base. Like this, the accessible is changed different support arms and can be applicable to the motor of not unidimensional size to make this detection device application range wide, the suitability is high.

The utility model discloses profitable effect is: the utility model discloses a permanent-magnet machine brake sensitivity detection device for do the detection to the brake sensitivity of motor, specifically shut down the back through the motor, observe the master gear and learn with pinion stall reaction, and detect the rotational speed not only on a rotational speed, can obtain the brake reaction under the different rotational speeds through speed sensor, guarantee that test data is accurate, be worth promoting.

Drawings

Fig. 1 is a schematic view of the front three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the back side of the present invention;

fig. 3 is a schematic plan view of the main gear and the pinion in mesh and at a back view angle.

Description of reference numerals: the device comprises a detection platform 1, a channel groove 11, a mounting plate 2, a supporting seat 3, a base 31, a supporting arm 32, a first gear 4, a main gear 41, a first channel 411, a pinion gear 42, a second channel 421, a rotating speed sensor 5, a bracket 51, a magnetic base 52, a first protection mechanism 6, a seat body 61, a second gear 62, a second protection mechanism 7, a main gear guide shaft 71, a pinion gear guide shaft 72, a ball screw 8 and a sliding block 9.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to the accompanying drawings: this kind of permanent-magnet machine brake sensitivity detection device, including testing platform 1, 1 front end of testing platform is fixed with mounting panel 2, the rear end is fixed with supporting seat 3, supporting seat 3 is used for putting the motor of treating the side, it is connected with two meshing complex first gears 4 to rotate on the mounting panel 2, wherein first gear 4 includes the master gear 41 of being connected with the motor, with the pinion 42 that the master gear 41 cooperation was used, be connected with speed sensor 5 on the

pinion

42, 5 electricity federation of speed sensor is on data display instrument. When in use, the motor is placed on the supporting seat 3, then the rotating shaft of the motor is inserted into the gear shaft of the main gear 41, then the motor is started to drive the main gear 41 to rotate, the pinion 42 is meshed with the main gear 41, so that the main gear 41 rotates while the pinion 42 rotates, the rotating speeds of the two are the same, and in order to detect the rotating speed of the motor, then obtain different brake reaction times according to different rotational speeds, so set up a revolution sensor 5 on the pinion shaft of pinion 42, revolution sensor 5 pegs graft on support 51, support 51 makes the central axis of revolution sensor 5 and the central axis of pinion 51 on the same axis, support 51 bottom is connected with magnetic base 52, utilize magnetic base 52 to be fixed in on the testing platform 1, utilize revolution sensor 5 to monitor the rotational speed, the monitoring condition is fed back to the data display instrument, the data that show are as follows:

data sheet

Through the data displayed by the table, whether the braking reaction of the motor is rapid or not can be known, and when the reaction time exceeds 1s, the fact that the braking device of the motor has the installation problem can be known, namely the motor needs to be maintained, and the use is convenient.

The upper surface of the detection platform 1 is provided with a first protection mechanism 6 for increasing the rotation stability of the main gear 41 and the pinion 42; the first protection mechanism 6 includes a base 61, and a second gear 62 rotatably connected in the base 61, wherein the second gear 62 is engaged with the primary gear 41 and the secondary gear 42 respectively. When the device is used, the seat body 61 is arranged at the lower ends of the main gear 41 and the auxiliary gear 42, the second gear 62 is meshed with the main gear 41 and the auxiliary gear 42, the main gear 41 and the auxiliary gear 42 rotate to drive the second gear 62 to rotate, the lower end of the main gear 41 and the auxiliary gear 42 is supported by the support, the support is in linkage type, the common rotation is realized, the stress generated during rotation is reduced while the rotation smoothness is provided, the main gear 41 and the auxiliary gear 42 rotate stably, and the test data are accurate.

The mounting plate 2 is provided with a second protection mechanism 7 which is close to the surfaces of the main gear 41 and the pinion 42 and increases the rotation stability of the main gear 41 and the pinion 42; the second protection mechanism 7 includes two symmetrically disposed main gear guide shafts 71 and two symmetrically disposed sub-gear guide shafts 72, a first channel 411 for the main gear guide shafts 71 to exist is opened on the surface of the main gear 41 close to the main gear guide shafts 71, the first channel 411 is disposed in an arc shape, a second channel 421 for the sub-gear guide shafts 72 to exist is opened on the surface of the sub-gear 42 close to the sub-gear guide shafts 72, and the second channel 421 is disposed in an arc shape. When the test device is used, the main gear guide shaft 71 acts in the first channel 411, the sub-gear guide shaft 72 acts in the second channel 421, and the two main gear guide shafts 71 may be symmetrical up and down or left and right, and the two sub-gear guide shafts 72 may be symmetrical up and down or left and right, but the placing direction of the main gear guide shaft 71 should be the same as that of the sub-gear guide shaft 72, so that the main gear 41 and the sub-gear 42 have the same action points and play a certain supporting role, during the rotation process, the main gear 41 rotates around the main gear guide shaft 71, and the sub-gear 42 rotates around the sub-gear guide shaft 72, so that the main gear 41 and the sub-gear 42 rotate more smoothly and stably, and the test data are accurate.

The supporting seat 3 is slidably connected to the detecting platform 1. When using, consider that the specification of motor is respectively different, satisfy a motor alone and make the application range of this device little, and need make the device that is fit for the motor of different specifications size to satisfy different demands, improved the cost, the realization supporting seat 3 slides, adjusts the position of use of supporting seat 3 with the specification that accords with the motor, thereby makes the application range of this device wide, reduce cost.

The detection platform 1 is provided with a channel groove 11, a ball screw 8 is arranged in the channel groove 11, the ball screw 8 is movably connected with a sliding block 9, and the sliding block 9 is fixed at the bottom of the supporting seat 3. When the device is used, the sliding block 9 is movably connected to the ball screw 8 and is arranged in the channel groove 11, the width of the sliding block is equal to that of the channel groove 11, so that the sliding stability is good, the operation is simple, the ball screw 8 is rotated, then the rotary motion is converted into the linear motion, the sliding of the sliding block 9 is realized, the device can be suitable for motors with different sizes, meanwhile, the sliding block 9 is static on the ball screw 8 under the condition of no external force, the supporting seat 3 can not generate displacement, namely, the main gear 41 is stably driven by the motor to rotate, and the detection data are more accurate.

The support base 3 comprises a base 31 and a support arm 32 mounted in the base. When using, consider that the specification of motor is respectively different, satisfy a motor alone and make the application range of this device little, and need make the device that is fit for the motor of different specifications size to satisfy different demands, improved the cost, the realization support arm 32 is changed, adjusts the height of support arm 32 with the specification that accords with the motor, thereby makes the application range of this device wide, reduce cost.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a permanent-magnet machine brake sensitivity detection device, includes testing platform (1), its characterized in that: detection platform (1) front end is fixed with mounting panel (2), and the rear end is fixed with supporting seat (3), supporting seat (3) are used for putting the motor of treating the side, it is connected with two meshing complex first gears (4) to rotate on mounting panel (2), wherein first gear (4) include main gear (41) be connected with the motor, with pinion (42) that main gear (41) cooperation was used, be connected with speed sensor (5) on pinion (42), speed sensor (5) electricity allies oneself with on data display instrument.

2. The device for detecting the braking sensitivity of the permanent magnet motor according to claim 1, is characterized in that: the upper surface of the detection platform (1) is provided with a first protection mechanism (6) for increasing the rotation stability of the main gear (41) and the pinion (42).

3. The device for detecting the braking sensitivity of the permanent magnet motor according to claim 2, is characterized in that: the first protection mechanism (6) comprises a base body (61) and a second gear (62) which is rotatably connected in the second base body (61), and the second gear (62) is respectively meshed with the main gear (41) and the auxiliary gear (42).

4. The device for detecting the braking sensitivity of the permanent magnet motor according to claim 1, is characterized in that: and a second protection mechanism (7) for increasing the rotation stability of the main gear (41) and the auxiliary gear (42) is arranged on the surface of the mounting plate (2) close to the main gear (41) and the auxiliary gear (42).

5. The device for detecting the braking sensitivity of the permanent magnet motor according to claim 4, is characterized in that: second protection mechanism (7) include that two symmetries set up pinion guiding axle (72) that master gear guiding axle (71), two symmetries set up, open on master gear (41) are close to the surface of master gear guiding axle (71) and supply first passageway (411) that master gear guiding axle (71) exist in, first passageway (411) are the arc nature setting, pinion (42) are close to pinion guiding axle (72) and open on the surface and supply second passageway (421) that pinion guiding axle (72) exist in, second passageway (421) are the arc nature setting.

6. The device for detecting the braking sensitivity of the permanent magnet motor according to claim 1, is characterized in that: the supporting seat (3) is connected to the detection platform (1) in a sliding mode.

7. The device for detecting the braking sensitivity of the permanent magnet motor according to claim 6, is characterized in that: the detection platform (1) is provided with a channel groove (11), a ball screw (8) is arranged in the channel groove (11), a sliding block (9) is movably connected to the ball screw (8), and the sliding block (9) is fixed to the bottom of the supporting seat (3).

8. The device for detecting the braking sensitivity of the permanent magnet motor according to claim 7, is characterized in that: the supporting seat (3) comprises a base (31) and a supporting arm (32) arranged in the base.