CN113156311A

CN113156311A - Motor locked-rotor testing device and testing method

Info

Publication number: CN113156311A
Application number: CN202110483438.XA
Authority: CN
Inventors: 李威; 周华国; 廖建勇
Original assignee: Shenzhen Honest Mechatronic Equipment Co Ltd
Current assignee: Shenzhen Honest Mechatronic Equipment Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-07-23

Abstract

The invention relates to the technical field of testing devices, in particular to motor locked-rotor testing equipment and a testing method. The automatic feeding and discharging device comprises a rack, a material taking mechanism, a feeding mechanism, a testing mechanism and a material receiving mechanism. The material taking mechanism is arranged on the rack and is used for transferring the motor; the material taking mechanism is sequentially provided with a feeding station, a testing station and a material receiving station in the transfer direction; the feeding mechanism is arranged at the feeding station and used for placing a motor; the testing mechanism is arranged at the testing station; when the material taking mechanism transmits the motor from the feeding station to the testing station, the testing mechanism can fix the main body and the output shaft of the motor and electrify the motor to test the motor; the material taking mechanism can transmit the motor to the material receiving station or the material loading station; the material receiving mechanism is arranged at the material receiving station and used for collecting the motor. The invention saves the labor.

Description

Motor locked-rotor testing device and testing method

Technical Field

The invention relates to the technical field of testing devices, in particular to motor locked-rotor testing equipment and a testing method.

Background

At present, the motor stalling indicates that the motor still outputs torque when the rotating speed is zero, wherein the power factor is extremely low when the motor stalls, the current during stalling can reach seven times of the rated current, and the motor can be burnt out after a little long time. Therefore, a general test of the motor includes the locked rotor test. The patent of application number CN201510958934.0 discloses a testing arrangement of motor locked rotor, and the testing arrangement of motor locked rotor includes: test jig, rotary disk, locking portion and location portion. The rotating disc is sleeved on an output shaft of the motor to be tested, the rotating disc rotates along with the output shaft of the motor to be tested, and a plurality of fixing grooves are formed in the rotating disc along the circumferential direction of the rotating disc. The locking portion has a locked position and an unlocked position. The positioning part is rotatably arranged on the test frame, and the positioning part is sleeved outside the rotating disk and is coaxially arranged with the rotating disk. The locking part is arranged on the positioning part, and different positions of the positioning part on the test frame are adjusted to perform locked rotor test on a plurality of positions of the motor to be tested. This testing arrangement of motor stalling needs the manual work dismouting to await measuring the motor, comparatively consumes the hand labor volume.

Disclosure of Invention

The invention provides motor locked-rotor testing equipment, aiming at solving the problem that the existing motor locked-rotor testing device needs to manually disassemble and assemble a motor to be tested and consumes more manual labor.

The invention provides a motor locked-rotor testing device, which comprises:

a frame;

the material taking mechanism is arranged on the rack and used for transferring the motor; the material taking mechanism is sequentially provided with a feeding station, a testing station and a material receiving station in the transfer direction;

the feeding mechanism is arranged at the feeding station and used for placing a motor;

the testing mechanism is arranged at the testing station; when the material taking mechanism transmits the motor from the feeding station to the testing station, the testing mechanism can fix the main body and the output shaft of the motor and electrify the motor to test the motor; the material taking mechanism can transmit the motor to the material receiving station or the material loading station; and

and the material receiving mechanism is arranged at the material receiving station and used for collecting the motor.

In one embodiment, the testing mechanism comprises:

the bracket is fixed on the top surface of the rack;

the fixing assembly comprises a fixing driving piece and a clamping piece, wherein the fixing driving piece is arranged on the bracket, the clamping piece is arranged on the fixing driving piece, and the fixing driving piece can drive the clamping piece to clamp or release the main body part of the motor; and

the rotation blocking assembly comprises an electric terminal connected with the bracket, a rotation blocking seat arranged on the bracket and a connecting shaft arranged on the rotation blocking seat; the electric connection terminal is used for connecting an electric connection part of the motor so as to electrify the motor; the connecting shaft is arranged on the top surface and the bottom surface of the blocking rotary seat in a penetrating way; the connecting shaft is elastically connected with the locked rotor seat and can move up and down relative to the locked rotor seat; the connecting shaft can be limited to rotate and is used for extending into a connecting hole of the motor; the cross section of the top end of the connecting shaft is a polygon; the shape of the connecting hole of the motor is the same as the shape of the cross section of the top end of the connecting shaft.

In one embodiment, the clamping piece comprises a pressure rod fixed on the output end of the fixed driving piece and a fixed rod fixed on the main body of the fixed driving piece; the main body of the fixed driving piece is fixedly connected with the bracket; the pressing rod and the fixed rod are oppositely arranged; the fixed driving piece can drive the pressing rod to be close to or far away from the fixed rod so as to clamp or loosen the main body of the motor.

In one embodiment, the bottom end of the connecting shaft protrudes out of the bottom surface of the blocking and rotating seat, and a limiting bulge is fixed on the side surface of the bottom end of the connecting shaft; the connecting shaft is rotatably connected with the locked rotor seat;

the locked rotor assembly further comprises a limiting piece; the limiting part is fixed in the rotating range of the limiting protrusion.

In one embodiment, the testing mechanism further comprises an electric driving part, and a main body of the electric driving part is mounted on the bracket; the output end of the power connection driving piece is connected with the power connection terminal so as to drive the power connection terminal to move.

In one embodiment, the testing mechanism further comprises a material sensor for detecting the connecting shaft, and the material sensor is arranged below the blocking and rotating seat.

In one embodiment, the blocking rotary seat is provided with a through hole which penetrates through the top surface and the bottom surface of the blocking rotary seat; the connecting shaft is positioned in the through hole and is connected with the locked rotor seat through an elastic piece; the connecting shaft can move along the through hole; when the elastic piece is in a natural state, the top end of the connecting shaft protrudes out of the top surface of the blocking rotary seat.

In one embodiment, the elastic member is a spring, the spring is located in the through hole, one end of the spring is connected with the blocking seat, and the other end of the spring is connected with the connecting shaft.

In one embodiment, the connecting shaft is clamped with the locked rotor seat to limit the rotation of the connecting shaft.

In one embodiment, the locked rotor assembly further comprises an ejection driving member mounted on the bracket; the blocking rotary seat is connected with the output end of the pushing driving piece; the material sensor is connected with the output end of the pushing driving piece.

In one embodiment, the feeding mechanism comprises a material conveying rail arranged on the top surface of the rack and a material conveying plate arranged on the material conveying rail, and the material conveying plate is used for placing the motor.

In one embodiment, the material taking mechanism comprises a traveling frame arranged on the top surface of the rack, a driving assembly arranged on the traveling frame, and a clamping jaw arranged on an output end of the driving assembly.

In one embodiment, the receiving mechanism comprises a receiving bin which is arranged on the top surface of the frame, the receiving bin is provided with an opening, and the opening of the receiving bin faces upwards.

The invention also provides a motor locked-rotor testing method, which uses the motor locked-rotor testing equipment, and the method comprises the following steps:

the material taking mechanism transmits the motor to the testing mechanism from the feeding mechanism, and the testing mechanism fixes the main body and the output shaft of the motor and energizes the motor to test the motor to obtain a test result;

the testing mechanism loosens the main body and the output shaft of the motor, the motor is powered off, and the material taking mechanism transmits the motor to the material receiving mechanism or the material loading mechanism from the testing mechanism according to the testing result.

In one embodiment, the testing the motor and obtaining the test result includes:

acquiring the time when the motor starts to be electrified as first time, judging whether the motor is automatically powered off, and acquiring the time when the motor is automatically powered off as second time when the motor is automatically powered off;

calculating a difference value between the first time and the second time to be used as a first difference value, judging whether the first difference value is larger than a first threshold value or not, acquiring the time for electrifying the motor again to be used as a third time when the first difference value is larger than or equal to the first threshold value, calculating a difference value between the third time and the second time to be used as a second difference value, judging whether the second difference value is smaller than the second threshold value or not, and obtaining a qualified test result when the second difference value is smaller than or equal to the second threshold value;

when the second difference is larger than a second threshold value, obtaining an unqualified test result;

and obtaining an unqualified test result when the first difference is smaller than the threshold value.

In one embodiment, the transferring the motor from the testing mechanism to the receiving mechanism or the feeding mechanism by the material taking mechanism according to the testing result includes:

when the test result is qualified, the material taking mechanism transmits the motor corresponding to the qualified test result to the feeding mechanism;

and when the test result is unqualified, the material taking mechanism transmits the motor corresponding to the unqualified test result to the material receiving mechanism.

In one embodiment, after obtaining the test result, the method further includes:

the testing mechanism re-energizes the motor to reverse the motor to the initial position.

The invention has the following beneficial effects: the feeding mechanism, the testing mechanism and the receiving mechanism are sequentially arranged along the delivery direction of the material taking mechanism. The motor is placed on the feeding mechanism, the motor is transmitted to the testing mechanism from the feeding mechanism by the taking mechanism, the main body and the output shaft of the motor are fixed by the testing mechanism, and the motor is electrified to be tested to obtain a test result. The testing mechanism loosens the main body and the output shaft of the motor, cuts off the power of the motor, and transmits the motor to the material receiving mechanism or the feeding mechanism from the testing mechanism. The feeding, the transmission, the fixation, the electrification and the collection of the motor are all automatic operations, and the labor amount is saved.

Drawings

For the purpose of easy explanation, the present invention will be described in detail with reference to the following preferred embodiments and the accompanying drawings.

Fig. 1 is a first schematic structural diagram of a motor locked-rotor testing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a motor stalling test device according to an embodiment of the present invention;

FIG. 3 is a first schematic structural diagram of a testing mechanism of a motor stalling test device according to an embodiment of the present invention;

FIG. 4 is a second schematic structural diagram of a testing mechanism of a motor stalling test device according to an embodiment of the present invention;

FIG. 5 is an exploded view of a testing mechanism of a motor stall testing apparatus according to an embodiment of the present invention;

fig. 6 is a flowchart of a motor stalling test method according to an embodiment of the invention.

Description of reference numerals: 1. a frame; 11. a main body portion; 111. a base plate; 112. a connecting rod; 113. a top plate; 12. a foot pad; 13. a roller; 14. a cabinet door; 2. a feeding mechanism; 21. a material conveying track; 22. a material conveying plate; 23. a first material sensor; 3. a material taking mechanism; 31. a traveling frame; 311. a longitudinal drive member; 313. a longitudinal frame body; 3131. a first support bar; 3132. a first support plate; 3133. a first guide rail; 3134. a second support bar; 3136. a second guide rail; 3137. a fixing plate; 314. a transverse frame body; 3141. a cross member; 3142. a slider; 3143. a sliding sleeve; 32. a drive assembly; 321. a material clamping driving member; 322. a lifting drive member; 33. a clamping jaw; 34. a feeding station; 35. a test station; 36. a material receiving station; 4. a testing mechanism; 41. a support; 411. a support plate; 42. a fixing assembly; 421. a first fixed driving member; 422. a pressure lever; 423. fixing the rod; 424. a second fixed driving member; 425. a fixed block; 43. a locked rotor assembly; 431. a first electrical terminal; 432. connecting a power driving part; 4322. moving the workpiece; 4323. a buffer; 433. a first connecting shaft; 4331. a bump; 4332. a limiting bulge; 434. a limiting member; 435. a first blocking swivel base; 436. a second material sensor; 437. a third material sensor; 438. a second connecting shaft; 439. a second blocking swivel base; 440. a second electrical terminal; 441. an elastic member; 442. a pushing driving member; 5. a material receiving mechanism; 51. a first receiving bin; 52. a second receiving bin; 53. a material moving driving member; 54. a pusher member; 55. a fourth material sensor; 56. a material conveying track; 6. a control mechanism; 7. a display mechanism; 100. a first motor; 200. a second motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 2, in the embodiment, the motor stalling test apparatus includes a frame 1, a feeding mechanism 2 installed on the frame 1, a material taking mechanism 3 installed on the frame 1, a testing mechanism 4 installed on the frame 1, and a material receiving mechanism 5 installed on the frame 1.

Wherein the frame 1 comprises a main body portion 11. The main body 11 includes a bottom plate 111, a connecting rod 112, and a top plate 113. The bottom plate 111 and the top plate 113 are parallel to each other, and the bottom plate 111 and the top plate 113 are spaced apart. The connecting rod 112 is located between the top plate 113 and the bottom plate 111, and two ends of the connecting rod 112 are respectively fixedly connected with the bottom surface of the top plate 113 and the top surface of the bottom plate 111. Specifically, the bottom plate 111 and the top plate 113 are rectangular, and the top plate 113 and the bottom plate 111 have the same size. The ends of the connecting rods 112 are fixed to the edge portions of the top plate 113 and the bottom plate 111.

Optionally, the frame 1 further comprises a foot pad 12, and the foot pad 12 is mounted on the bottom surface of the bottom plate 111. Specifically, the number of the foot pads 12 is plural, and the plurality of foot pads 12 are attached to the bottom surface edge portion of the bottom plate 111. Further, the footpad 12 includes a pad body and a support bar. One end of the support rod is fixedly connected with the cushion body, and the other end of the support rod is in threaded connection with the bottom plate 111, so that the relative distance between the cushion body and the bottom plate 111 can be adjusted.

Optionally, the frame 1 further comprises a roller 13, and the roller 13 is mounted on the bottom surface of the bottom plate 111. The number of the rollers 13 is plural, and the plural rollers 13 are attached to the edge portion of the bottom surface of the bottom plate 111.

Optionally, the rack 1 further comprises a cabinet door 14 installed between two adjacent connecting rods 112. The cabinet door 14 is hinged to a connecting rod 112.

The feeding mechanism 2, the material taking mechanism 3, the material receiving mechanism 5 and the testing mechanism 4 are all installed on the top surface of the rack 1. The material taking mechanism 3 is used for a transfer motor. The material taking mechanism 3 is provided with a feeding station 34, a testing station 35 and a receiving station 36 in sequence in the transfer direction.

The feed mechanism 2 is arranged corresponding to the feed station 34. The feed mechanism 2 is used to place and convey the motor to the feed station 34.

The testing mechanism 4 is provided at the testing station 35. The testing mechanism 4 can secure the main body and output shaft of the motor and energize the motor to test the motor as the take-up mechanism 3 transfers the motor from the loading station 34 to the testing station 35. After the testing by the testing mechanism 4 is completed, the material taking mechanism 3 can deliver the motor to the material receiving station 36.

Specifically, the feeding mechanism 2 includes a feeding rail 21 disposed on the top surface of the frame 1 and a feeding plate 22 disposed on the feeding rail 21. Of course, the feeding mechanism 2 may also be a conveyor belt, and the conveying direction of the conveyor belt is the same as the conveying direction of the conveying track 21.

In this embodiment, the number of the material conveying rails 21 is two, and the two material conveying rails 21 are arranged in parallel at intervals. The material conveying plate 22 is connected with the two material conveying rails 21 in a sliding mode and can move along the sliding rails. The material conveying plate 22 is used for carrying the motor.

Optionally, the feeding mechanism 2 further comprises a first material sensor 23 mounted on the top surface of the frame 1, wherein the first material sensor 23 is located at the feeding station 34 and is capable of detecting whether the feeding station 34 has a motor. The first material sensor 23 is located outside the material conveying rail 21.

Optionally, the feeding mechanism 2 further includes a material conveying driving member installed on the top surface of the frame 1, a main body of the material conveying driving member is fixedly connected to the frame 1, and an output end of the material conveying driving member is connected to the material conveying plate 22. The material conveying driving part can adopt an air cylinder.

The material taking mechanism 3 includes a traveling frame 31, a driving assembly 32 disposed on the traveling frame 31, and a clamping jaw 33 disposed on an output end of the driving assembly 32.

The drive assembly 32 is movable along the travelling carriage 31 to move between a loading station 34, a testing station 35 and a receiving station 36. The drive assembly 32 can drive the jaws 33 to clamp or unclamp the motor.

Further, the traveling frame 31 includes a longitudinal driving member 311, a transverse driving member, two longitudinal frame bodies 313 and a transverse frame body 314 mounted on the two longitudinal frame bodies 313.

The two longitudinal frame bodies 313 are both fixed on the top of the frame 1, and the two longitudinal frame bodies 313 are arranged oppositely at intervals. The two longitudinal frames 313 are parallel. The transverse frame 314 is slidably connected to the two longitudinal frames 313.

The longitudinal driving member 311 is connected to the longitudinal frame 313 and connected to the transverse frame 314 to drive the transverse frame 314 to move along the longitudinal frame 313. In this embodiment, the longitudinal driving member 311 is a longitudinal driving cylinder, a main body of the longitudinal driving cylinder is fixedly connected to the longitudinal frame body 313, and an output shaft of the longitudinal driving cylinder is fixedly connected to the transverse frame body 314, so that the cylinder can drive the transverse frame body 314 to slide along the longitudinal frame body 313. Of course, it is also possible to employ a mode in which the main body of the longitudinal driving cylinder is coupled to the lateral frame 314 and the output shaft of the longitudinal driving cylinder is coupled to the longitudinal frame 313. Still alternatively, the longitudinal driving member 311 may employ a motor fixed to the transverse frame 314 and a roller 13 in contact with the longitudinal frame 313.

The two longitudinal frame bodies 313 are divided into a first frame body and a second frame body. The first frame body includes a first support rod 3131, a first support plate 3132, and a first guide rail 3133.

The first support plate 3132 is located above the first support rod 3131. The first support post 3131 stands on the top surface of the housing 1. One end of the first support lever 3131 is connected to the frame 1, and the other end of the first support lever 3131 is connected to the bottom surface of the first support plate 3132. The first guide rail 3133 is mounted to a top surface of the first support plate 3132. The first support plate 3132 has a length that is much greater than a width. The first support plate 3132 is rectangular. The first guide rail 3133 is linear and extends in a longitudinal direction of the first support plate 3132.

The second frame body includes a second supporting bar 3134, a second supporting plate, a second guiding rail 3136 and two fixing plates 3137. The second support bar 3134 stands on the top surface of the housing 1. The second supporting plate is positioned above the second supporting bar 3134. One end of the second support bar 3134 is connected to the frame 1, and the other end of the second support bar 3134 is connected to the bottom surface of the second support plate. The length of the second support plate is much greater than its width. The second support plate is rectangular. The two fixing plates 3137 are fixed to two opposite ends of the second supporting plate, respectively, the two fixing plates 3137 protrude from the same surface of the second supporting plate, and the fixing plates 3137 are perpendicular to the length direction of the second supporting plate. The two fixing plates 3137 are parallel. The second guide rail 3136 is located between the two fixing plates 3137 and above the second supporting plate. The second guide rail 3136 is spaced apart from the second support plate. The second guide rail 3136 is linear, and two ends of the second guide rail 3136 are respectively fixed to the two fixing plates 3137. The longitudinal driving member 311 is a longitudinal driving cylinder, the main body of the longitudinal driving cylinder is connected with the fixing plate 3137, and the output end of the longitudinal driving cylinder is connected with the transverse frame 314. The second guide rail 3136 is parallel to the first guide rail 3133 and perpendicular to the feeding track 21.

The transverse frame 314 includes a transverse member 3141, a slider 3142, and a sliding sleeve 3143.

The cross member 3141 is elongated. The cross member 3141 includes a vertical plate and a support base. The vertical plate is approximately vertical to the top surface of the machine frame 1. The supporting seat is fixed at the bottom of one end of the vertical plate. Drive assembly 32 is mounted on cross member 3141, and in particular, drive assembly 32 is coupled to the riser.

The slider 3142 is installed and fixed to the bottom of one end of the cross member 3141, and the slider 3142 is slidably coupled to the first guide rail 3133. Specifically, the slider 3142 is fixed to the bottom surface of the support base.

The sliding sleeve 3143 is fixed to the other end of the cross member 3141 and slidably sleeved on the second guide rail 3136. Specifically, the sliding sleeve 3143 is fixed on the bottom surface of the end of the vertical plate.

Optionally, the transverse shelf 314 further comprises a transverse drive member mounted on the transverse member 3141. The drive assembly 32 is connected to the output end of the transverse drive member and is movable along the transverse member 3141.

The drive assembly 32 includes a material gripping drive 321. The clamping jaw 33 is connected with the output end of the clamping driving piece 321. The jaws 33 are capable of gripping or releasing the motor under the drive of the grip drive 321. The clamping jaw 33 is provided with a groove, and the groove is matched with the shape of the motor body to be beneficial to clamping the motor. In this embodiment, the clamping driving member 321 is a clamping cylinder, the clamping jaw 33 is connected to the output end of the clamping cylinder through a plurality of connecting rods, and the connecting rods are connected to each other through a rotating shaft. Of course, the clamping jaw 33 may also be connected to the output end of the clamping driving member 321 through a gear and a rack. The material clamping driving member 321 may also be a motor. The clamping driving member 321 is connected to the transverse frame 314, and specifically, a main body of the clamping driving member 321 is connected to the transverse frame 314.

Optionally, the driving assembly 32 further includes a lifting driving member 322, and the material clamping driving member 321 is connected with the transverse shelf 314 through the lifting driving member 322, and specifically, the material clamping driving member 321 is connected with the transverse shelf 314 through the lifting driving member 322. It can be understood that the main body of the lifting driving member 322 is fixedly connected to the transverse frame 314, and the output end of the lifting driving member 322 is fixedly connected to the main body of the clamping driving member 321. In this embodiment, the lifting driving member 322 is a lifting cylinder.

Referring to fig. 3 to 5, in one embodiment, the testing mechanism 4 includes a bracket 41, a fixing component 42 and a rotation blocking component 43.

The bracket 41 is fixed to the top surface of the housing 1. The bracket 41 includes a plurality of supports and a stay 411 positioned above the plurality of supports. The plurality of supporting pieces are fixed on the top surface of the frame 1 and are arranged at intervals. The brackets 411 are substantially parallel to the top surface of the housing 1. The support plates 411 are fixed to the top ends of all the support members, that is, the top end of each support member is fixedly connected to the bottom surface of the support plate 411.

The fixing member 42 and the rotation blocking member 43 are mounted on the bracket 41. The fixing assembly 42 is used to fix the motor. The fixed assembly 42 includes a fixed drive member and a clamp member mounted on an output end of the fixed drive member. The fixed driving part can drive the clamping part to work so as to clamp or release the motor.

The rotation blocking assembly 43 includes an electric terminal mounted on the bracket 41, a rotation blocking block mounted on the bracket 41, and a connecting shaft mounted on the rotation blocking block. The electric connection terminal is used for connecting an electric connection part of the motor so as to electrify the motor. The connecting shaft penetrates through the top surface and the bottom surface of the blocking rotary seat and is used for extending into a connecting hole of the motor so as to block the rotation of the motor. The connecting shaft is elastically connected with the locked rotor seat and can move up and down relative to the locked rotor seat. The cross section of the top end of the connecting shaft is polygonal. The shape of the connecting hole of the motor is the same as the shape of the cross section of the top end of the connecting shaft.

In this embodiment, the motors may be divided into a first motor 100 and a second motor 200.

The first motor 100 is disposed horizontally, the first motor 100 includes a motor body and a gear box, and an output shaft of the motor body is in driving connection with the gear box. The tooth case is provided with a connecting hole which faces downwards.

The second motor 200 is upright and inverted, and the second motor 200 includes a motor main body and a motor connecting member, and an output shaft of the motor main body is fixedly connected with the motor connecting member, that is, the motor connecting member can rotate under the driving of the second motor 200. The motor connecting piece is provided with a connecting hole, and the connecting hole faces downwards.

In one embodiment, the testing mechanism 4 includes a bracket 41, a first securing assembly 42, and a first stalling assembly 43. The test mechanism 4 of this embodiment is adapted to the first motor 100.

The structure of the bracket 41 of this embodiment is the same as that of the bracket 41, and will not be described herein.

The first fixing assembly 42 includes a first fixing driving member 421, a pressing rod 422 fixed to an output end of the first fixing driving member 421, and a fixing rod 423 fixed to a main body of the first fixing driving member 421. The main body of the first fixed driving member 421 is fixedly connected to the bracket 41. The pressing rod 422 and the fixing rod 423 are oppositely disposed. The first fixed driving member 421 can drive the pressing rod 422 to approach or separate from the fixed rod 423 to clamp or release the motor. In this embodiment, the first fixed driving member 421 adopts a pressing cylinder, an output shaft of the pressing cylinder is substantially perpendicular to the top surface of the support plate 411 of the bracket 41, and the pressing rod 422 is located right above the fixed rod 423.

The first rotation blocking assembly 43 includes a first electrical connection terminal 431, an electrical connection driving member 432, a first connection shaft 433, a limiting member 434 and a first rotation blocking base 435.

The electric driving unit 432 is connected to the top surface of the rack 1, and further, the electric driving unit 432 is connected to the top surface of the rack 1 through the bracket 41, that is, the electric driving unit 432 is mounted on the top surface of the support plate 411 of the bracket 41. The output end of the electric driving member 432 is connected to the first electric terminal 431 to drive the first electric terminal 431 to move. In this embodiment, the electric driving unit 432 is an electric driving cylinder. The output shaft of the electric driving cylinder is approximately parallel to the top surface of the support plate 411 of the bracket 41.

The first electrical terminal 431 is used for connecting an electrical connection part of the motor. The electric connection driving part 432 can drive the first electric connection terminal 431 to contact with or separate from the electric connection part of the motor. The first electrical terminal 431 is disposed in a flat state, and a portion of the first electrical terminal 431 faces the first connection shaft 433.

In this embodiment, the electric driving unit 432 includes an electric cylinder and a movable workpiece 4322, the electric cylinder is mounted on the bracket 41, and the movable workpiece 4322 is connected and fixed to an output shaft of the electric cylinder. The first electrical terminal 431 is mounted on the moving workpiece 4322.

The movable workpiece 4322 includes a first plate and a second plate, and the first plate is perpendicular to the second plate. The second board is fixed to one end of the first board, and the first electrical terminal 431 is fixed to an end surface of the other end of the first board. The two ends of the first plate body are oppositely arranged. The first plate body is positioned right above the power connection cylinder. The second plate body protrudes out of the bottom surface of the first plate body and is fixedly connected with an output shaft of the power connection cylinder.

Optionally, a buffer 4323 is disposed on the surface of the second plate connected to the output shaft of the power cylinder.

The first blocking seat 435 is disposed through the bracket 41, specifically, the first blocking seat 435 is disposed through the support plate 411 of the bracket 41, in other words, the first blocking seat 435 penetrates through the top surface and the bottom surface of the support plate. The first blocking seat 435 is spaced apart from the top surface of the housing 1. The first connecting shaft 433 penetrates through the rotation blocking seat, and the first connecting shaft 433 is elastically connected with the rotation blocking seat.

Specifically, the first blocking seat 435 is provided with a first through hole, and the first through hole penetrates through the top surface and the bottom surface of the first blocking seat 435. The first connecting shaft 433 is disposed in the first through hole, and the first connecting shaft 433 is connected to the first blocking seat 435 through the first elastic member 441. The first connecting shaft 433 is movable along the first through hole. The first elastic member 441 is a spring, the spring is disposed in the through hole, and two ends of the spring are respectively connected to the first blocking seat 435 and the first connecting shaft 433. When the spring is in a natural state, the top end of the first connecting shaft 433 protrudes out of the top surface of the first blocking seat 435, and the bottom end of the first connecting shaft 433 protrudes out of the bottom surface of the first blocking seat 435. Specifically, a limiting ring plate is arranged on the hole wall of the first through hole in a protruding mode. The spring is a pressure spring, the top end of the pressure spring is fixedly connected with the first connecting shaft 433, and the bottom end of the pressure spring is in contact with the limiting ring plate. The spring may be mounted in the first through hole.

In other embodiments, the support 411 of the bracket 41 is provided with a communication hole, the communication hole penetrates through the top surface and the bottom surface of the support 411, the first blocking seat 435 is fixed on the surface of the support 411, and the through hole of the blocking seat is communicated with the communication hole, namely, the connecting shaft can move along the communication hole.

The first connecting shaft 433 is rotatably connected to the first blocking base 435, that is, the first connecting shaft 433 can rotate. A limiting protrusion 4332 is fixed on the side surface of the bottom end of the first connecting shaft 433. The limiting member 434 is fixedly connected to the frame 1 and is arranged in parallel with the first connecting shaft 433. Specifically, the limiting element 434 is fixedly connected to the frame 1 through the bracket 41, that is, the limiting element 434 is fixed to the bottom surface of the supporting plate 411 of the bracket 41 and located between the two supporting elements.

The position-limiting element 434 is located within the rotation range of the position-limiting protrusion 4332, i.e. the position-limiting element 434 interferes with the position-limiting protrusion 4332. The top end of the first connecting shaft 433 is used for connecting the output end of the motor. The first connecting shaft 433 can be driven by the motor to rotate, so that the limiting protrusion 4332 abuts against the limiting part 434, and the motor is locked.

The cross section of the top end of the first connecting shaft 433 is polygonal. The shape of the coupling hole of the motor is the same as the shape of the cross section of the top end of the first coupling shaft 433.

Optionally, the testing mechanism 4 further includes a second material sensor 436 mounted on the bottom surface of the support plate 411 of the supporting frame 41, and the second material sensor 436 is disposed corresponding to the bottom end of the first connecting shaft 433 and below the bottom end of the first blocking seat 435. When the first connecting shaft 433 moves downward, the bottom end of the first connecting shaft 433 is located in the sensing area of the second material sensor 436. When the first connecting shaft 433 returns to the initial position, the bottom end of the first connecting shaft 433 is located outside the sensing area of the second material sensor 436. In this embodiment, the second material sensor 436 includes an infrared emitter and an infrared receiver spaced apart from each other, and the transmission area between the infrared emitter and the infrared receiver is a sensing area.

Optionally, a bump 4331 is installed at the bottom end of the first connecting shaft 433, and the bump 4331 facilitates the detection of the second material sensor 436.

In one embodiment, the testing mechanism 4 includes a bracket 41, a second stationary assembly 42, and a second stalling assembly 43. The test mechanism 4 of this embodiment is adapted to the second motor 200.

The second fixing assembly 42 includes a second fixing driving member 424 and two fixing blocks 425 fixedly connected to an output end of the second fixing driving member 424. The body of the second stationary drive member 424 is attached to the top surface of the frame 1. The second stationary drive member 424 is capable of driving the two stationary blocks 425 toward and away from each other to grip or release the motor at the test station 35. The number of the second fixed driving members 424 of the second fixed assembly 42 is two, two second fixed driving members 424 are arranged at intervals, and the output end of each second fixed driving member 424 is connected with two fixed blocks 425. The two second fixed drives 424 act together on the same two fixed blocks 425 to make the movement of the fixed blocks 425 more stable. The fixed driving part adopts a fixed cylinder.

The second rotation blocking assembly 43 includes a second electrical terminal 440, a second rotation blocking base 439 and a second connecting shaft 438 disposed on the second rotation blocking member.

The second blocking rotary seat 439 is mounted on the bracket 41, and specifically, the second blocking rotary seat 439 is disposed through the support plate 411 (in other words, the second blocking rotary seat 439 penetrates the top surface and the bottom surface of the support plate 411) or fixed to the top surface or the bottom surface of the support plate. The second blocking seat 439 is spaced apart from the top surface of the housing 1. The second connecting shaft 438 penetrates through the rotation blocking seat, and the second connecting shaft 438 is elastically connected with the rotation blocking seat. Specifically, the second plugging rotation seat 439 is provided with a second through hole, and the second through hole penetrates through the top surface and the bottom surface of the plugging rotation seat. The second connecting shaft 438 is located in the second through hole, and the second connecting shaft 438 is connected to the second blocking seat 439 through the second elastic member 441. The second connecting shaft 438 is movable along the second through hole. The second connecting shaft 438 passes through the support plate 411. The second elastic member 441 is a spring, the spring is located in the second through hole, and two ends of the spring are respectively connected to the second blocking seat 439 and the second connecting shaft 438. When the spring is in a natural state, the top end of the second connecting shaft 438 protrudes out of the top surface of the second rotation blocking base 439, and when the motor is placed on the top surface of the connecting shaft, the spring is pressed downward, so that deformation occurs, and the bottom end of the second connecting shaft 438 moves downward. Specifically, the spring is a pressure spring, the top end of the pressure spring is fixedly connected to the second connecting shaft 438, and the bottom end of the pressure spring is fixedly connected to the second blocking seat 439. Of course, the spring may also be a tension spring, the top end of the tension spring is fixedly connected to the second blocking rotation seat 439, and the bottom end of the tension spring is fixedly connected to the second connecting shaft 438. The spring may be mounted in the second through hole.

The second connecting shaft 438 has a polygonal cross-section at its top end. The shape of the coupling hole of the motor is the same as the shape of the top cross section of the second coupling shaft 438.

Optionally, the second connecting shaft 438 is engaged with the second blocking seat 439 to limit the rotation of the second connecting shaft 438. Specifically, the second connecting shaft 438 has a clamping portion, the cross section of the clamping portion is polygonal, and the hole wall of the second through hole is clamped with the clamping portion.

Optionally, a clamping protrusion is fixed on a side surface of the second connecting shaft 438, a clamping groove is formed in a hole wall of the through hole of the second plug seat 439, the clamping groove is long, and a length direction of the clamping groove is substantially parallel to a length direction of the second connecting shaft 438. The clamping protrusion is positioned in the clamping groove.

The second electric terminals 440 are mounted on the bracket 41 and are arranged adjacent to the second connecting shaft 438. The second electric terminal 440 has an electric contact portion facing upward and is used for connecting an electric contact portion of the motor.

Optionally, the second rotation blocking assembly 43 further comprises an ejection drive 442 mounted to the bracket 41. The second blocking rotary mount 439 is connected to the output end of the pushing driving member 442. The pushing driving member 442 is a pushing cylinder, and a main body of the pushing cylinder is fixedly connected to the bottom surface of the support plate 411. The output shaft of the jacking cylinder is substantially parallel to the second connecting shaft 438. The pushing driving member 442 can drive the second blocking seat 439 to move up and down.

When the second connecting shaft 438 extends into the connecting hole of the motor, the motor is restricted from rotating. When the second connecting shaft 438 is separated from the connecting hole of the motor, the restriction of the motor can be released. The second connecting shaft 438 and the second electrical terminal 440 are positioned between the two fixing blocks 425.

Optionally, the second rotation blocking assembly 43 further comprises a third material sensor 437, wherein the third material sensor 437 is located below the second rotation blocking base 439. Specifically, the third material sensor 437 is connected to the output end of the ejection drive 442 and thus remains stationary relative to the second blocking mount 439. When the motor is placed on the top surface of the connection shaft, the spring is pressed downward, so that it is deformed, and the bottom end of the second connection shaft 438 moves downward to the sensing area of the third material sensor 437.

In one embodiment, the first fixing member 42, the second fixing member 42, the first rotation blocking member 43 and the second rotation blocking member 43 may be mounted on the same bracket 41. It is understood that the motor may adopt other form structures, and the first fixing element 42, the second fixing element 42, the first rotation blocking element 43 and the second rotation blocking element 43 may be combined according to the form structure of the motor, for example, the second fixing element 42 and the first rotation blocking element 43 are combined to realize the motor rotation blocking.

The testing mechanism 4 adopts the floating connecting shaft to match with the electric connection terminal and the fixing component 42 to fix, electrify and block the motor, provides favorable conditions for the current test of the motor, improves the testing efficiency and the detection quality of the motor and improves the product percent of pass.

Optionally, the receiving station 36 includes a first receiving sub-station and a second receiving sub-station. The second receiving sub-station is coincident with or adjacent to the loading station 34.

Referring to fig. 1 to 2, the material receiving mechanism 5 is disposed at the first receiving station. The receiving mechanism 5 comprises a receiving bin arranged on the top surface of the rack 1, the receiving bin is provided with an opening, and the opening of the receiving bin faces upwards and is positioned below the clamping jaw 33. In this embodiment, the number of the material receiving bins is at least two, the plurality of material receiving bins are divided into a first material receiving bin 51 and a second material receiving bin 52, the first material receiving bin 51 and the second material receiving bin 52 are arranged in parallel, and the first material receiving bin 51 and the second material receiving bin 52 both have openings facing upwards. The first and

second hoppers

51 and 52 are located below the clamping jaw 33. Specifically, the first receiving bin 51 and the second receiving bin 52 are both one.

Optionally, the material receiving mechanism 5 further includes a material moving driving member 53 and a pushing member 54 mounted on an output end of the material moving driving member 53.

The first receiving bin 51 is used for placing the second motor 200 which fails the test. The pushing member 54 is arranged corresponding to the first hopper 51. The material moving driving member 53 can drive the pushing member 54 to move to push the second motor 200 in the first material collecting bin 51, so as to gather the second motor 200 in the first material collecting bin 51.

In this embodiment, the pushing member 54 is located above the opening of the first material receiving bin 51, the material moving driving member 53 adopts a material moving cylinder, and the main body of the material moving is fixed on the outer side of the first material moving bin.

The first material receiving bin 51 is long, and the output shaft of the material moving cylinder is approximately parallel to the length direction of the material receiving bin.

Of course, the material moving driving member 53 and the pushing member 54 may be disposed in the first material receiving bin 51, and it is sufficient to ensure that the motor in the first material receiving bin 51 can be pushed.

Optionally, a second hopper 52 is used to collect the rejected first motor 100. The receiving mechanism 5 further includes a fourth material sensor 55, and the fourth material sensor 55 is installed in the second receiving bin 52 and is used for detecting whether the first motor 100 exists in the second receiving bin 52. It is worth mentioning that the feeding mechanism 2 can collect qualified motors, and when the testing mechanism 4 tests the qualified motors, the material taking mechanism 3 transfers the motors to the material conveying plate 22.

Optionally, the receiving mechanism 5 further comprises a material conveying rail 56 mounted on the top surface of the frame 1. The receiving bin is slidably disposed on the material conveying rail 56 and can move along the material conveying rail 56. In this embodiment, each receiving bin is correspondingly provided with two material transporting rails 56, and the plurality of material transporting rails 56 are arranged in parallel along the length direction of the transverse frame 314 at intervals. The material conveying track 56 is substantially parallel to the longitudinal frame 313.

Optionally, the material receiving mechanism 5 further includes a material conveying driving member installed on the top surface of the rack 1, and an output end of the material conveying driving member is connected with the material receiving bin. The material transport drive can drive the receiving bin to move to the receiving station 36 or leave the receiving station 36.

In other embodiments, only one receiving station 36 may be used, and qualified product receiving bins are correspondingly disposed beside the first receiving bin 51 and the second receiving bin 52, and the qualified product receiving bins are used for collecting qualified motors.

Optionally, the motor stalling test device further comprises a control mechanism 6, and the control mechanism 6 is installed on the rack 1. Optionally, the motor rotation blocking device comprises a power source electrically connected to the control mechanism 6, or the control mechanism 6 is electrically connected to an external socket. The material conveying mechanism, the material taking mechanism 3 and the material receiving mechanism 5 are all electrically connected with the control mechanism 6. Specifically, each material sensor and each driving member are electrically connected to the control mechanism 6 to be controlled by the control mechanism 6.

Optionally, the motor stalling test device further includes a display mechanism 7, and the display mechanism 7 is mounted on the rack 1, electrically connected to the control mechanism 6, and configured to display the test data.

In this embodiment, the feeding mechanism 2 is located below one end of the longitudinal frame 313, and the receiving mechanism 5 is located below the other end of the longitudinal frame 313. The testing mechanism 4 is located between the two longitudinal frames 313, between the material conveying rail 56 and the material delivery rail 21, and directly below the moving range of the transverse frame 314.

Referring to fig. 1 to 5, the operation principle of the motor stalling test device is as follows: the material taking mechanism 3 is used to transfer the motor from the feed mechanism 2 to the testing mechanism 4. The testing mechanism 4 is used for fixing the main body and the output shaft of the motor and electrifying the motor, thereby realizing the locked rotor of the motor.

Specifically, the material conveying plate 22 is located at the feeding station 34, a motor is carried on the material conveying plate 22, under the action of the control mechanism 6, the longitudinal driving member 311 and the transverse moving assembly work to drive the clamping jaw 33 to move to the position right above the feeding station 34, and the driving assembly 32 works to grab the motor on the feeding station 34. The longitudinal drive 311 and the transverse moving assembly operate to move the motor directly above the test station 35 and the drive assembly 32 operates to place the motor on the carriage 41.

At this time, when the motor is the first motor 100, the main body of the first motor 100 is placed between the pressing rod 422 and the fixing rod 423, the fixing driving member operates, the pressing rod 422 presses down to fix the main body of the first motor 100, the electric driving member 432 operates, the first electric terminal 431 is electrically connected to the electric part of the first motor 100, and the first motor 100 operates. If the top end of the first connecting shaft 433 is not aligned with the connecting hole of the first motor 100 completely when the first motor 100 is fixed, that is, the top end of the first connecting shaft 433 does not coincide with the connecting hole completely, the first connecting shaft 433 moves downward under the extrusion of the first motor 100, the elastic member 441 deforms, the first connecting rod 112 abuts against the connecting hole of the first motor 100, and after the first motor 100 is powered on, the connecting hole rotates along with the first connecting rod 112, and the first connecting rod 112 can extend into the connecting hole. The first connection shaft 433 rotates, and the first limiting protrusion 4332 abuts against the limiting part 434, so that the rotation of the first motor 100 is locked. If the first connecting shaft 433 can extend into the connecting hole when the first motor 100 is fixed, the first connecting shaft 433 is driven by the first motor 100 to rotate, and the first limiting protrusion 4332 abuts against the limiting part 434, so that the rotation blocking of the first motor 100 is realized, and a test result is obtained. The electrical connection driving member 432 drives the electrical connection terminal to contact the electrical connection portion of the motor. The moment received by the first motor 100 after the stalling is large, and the testing mechanism 4 needs to electrify the first motor 100 again to enable the motor to rotate reversely to the initial position, so that the effect of protecting the motor is achieved. The compacting cylinder operates and the plunger 422 moves away from the fixing rod 423 to release the motor.

When the motor is the second motor 200, the motor is placed between the two fixing blocks 425, the fixing cylinder works, the two fixing blocks 425 clamp the motor, the second electric connection terminal 440 is in contact with the electric connection part of the second motor 200, and the second motor 200 rotates. If the top end of the second connecting shaft 438 is not aligned with the connecting hole of the second motor 200 completely when the second motor 200 is fixed, that is, the top end of the second connecting shaft 438 does not coincide with the connecting hole completely, the second connecting shaft 438 moves downward under the pressure of the second motor 200, the elastic member 441 deforms, the second connecting rod 112 abuts against the connecting hole of the second motor 200, and after the second motor 200 is powered on, the connecting hole rotates along with the second connecting rod 112, and the second connecting rod 112 can extend into the connecting hole. The second connecting shaft 438 is fixed, thereby achieving locked rotation of the second motor 200. If the second connecting shaft 438 can extend into the connecting hole when the second motor 200 is fixed, the locked rotation of the second motor 200 can be directly realized, and a test result can be obtained. The stationary cylinder operates and the two stationary blocks 425 disengage the motor. The pushing cylinder works, and the connecting shaft moves downwards to be separated from the connecting hole of the motor.

The material taking mechanism 3 operates to transfer the tested motor to the receiving bin or the material conveying plate 22 of the feeding mechanism 2 according to the test result of the testing mechanism 4. First material sensor 23 and fourth material sensor 55 can detect the motor, when motor quantity reaches and predetermines quantity, correspond control fortune material driving piece and defeated material driving piece work to transport away the motor.

Referring to fig. 6, the present invention further provides a motor stalling test method, wherein the method can be performed based on the motor stalling test apparatus. For ease of understanding, referring to fig. 1 to 5, the following detailed description will be made in conjunction with a specific structure of the motor stalling test device.

A motor locked rotor test method comprises the following steps:

and S10, the material taking mechanism 3 transmits the motor from the feeding mechanism 2 to the testing mechanism 4, and the testing mechanism 4 fixes the main body and the output shaft of the motor and energizes the motor to test the motor to obtain a test result.

In this embodiment, the motor has been placed on feed mechanism 2, and extracting mechanism 3 transmits the motor to accredited testing organization 4 from feed mechanism 2, and accredited testing organization 4 fixes the main part and the output shaft of motor to electrify the motor, realized the locked rotor test of motor, thereby obtained the test result, the test result is including qualified and unqualified.

Further, the testing the motor and obtaining the test result comprises:

calculating a difference value between the first time and the second time to be used as a first difference value, judging whether the first difference value is larger than a first threshold value, when the first difference value is larger than the first threshold value, acquiring the time for electrifying the motor again to be used as a third time, calculating a difference value between the third time and the second time to be used as a second difference value, judging whether the second difference value is smaller than the second threshold value, and when the second difference value is smaller than the second threshold value, obtaining a qualified test result;

when the second difference is larger than or equal to the second threshold value, obtaining an unqualified test result;

and obtaining an unqualified test result when the difference is less than or equal to the threshold.

It will be appreciated that the motor has a protection device which automatically disconnects the current to the motor to protect the motor when a stall occurs in the motor. The first threshold value is a preset value, for example, 2 seconds, 3 seconds, or the like. It is worth mentioning that when the motor is the first motor 100, the first threshold may be 8 seconds to 10 seconds, preferably 9 seconds; when the motor is the second motor 200, the first threshold may be 6 seconds to 8 seconds, preferably 7 seconds. The second threshold may be 2 seconds to 3 seconds.

And S20, the testing mechanism 4 loosens the main body and the output shaft of the motor, the motor is powered off, and the material taking mechanism 3 transmits the motor from the testing mechanism 4 to the material receiving mechanism 5 or the feeding mechanism 2 according to the test result.

In this embodiment, the test result indicates that the test is completed, and at this time, the testing mechanism 4 may release the main body and the output shaft of the motor and turn off the power to the motor.

Further, the step of transferring the motor from the testing mechanism 4 to the material receiving mechanism 5 or the feeding mechanism 2 by the material taking mechanism 3 according to the test result comprises:

when the test result is qualified, the material taking mechanism 3 transmits the motor corresponding to the qualified test result to the feeding mechanism 2;

when the test result is unqualified, the material taking mechanism 3 transmits the motor corresponding to the unqualified test result to the material receiving mechanism 5.

It will be appreciated that the receiving mechanism 5 is used to collect the defective motors, while the loading mechanism 2 is used to collect the defective motors.

Optionally, after obtaining the test result, the method further includes: the testing mechanism 4 energizes the motor again to reverse the motor to the initial position.

It can be understood that, when the motor is the first motor 100, the torque applied to the motor after the motor stall is large, and the testing mechanism 4 needs to energize the motor again to rotate the motor reversely to the initial position, so as to achieve the effect of protecting the motor. Specifically, the power connection driving member 432 drives the power connection terminal to contact the power connection portion of the motor.

In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a motor locked rotor test equipment which characterized in that, motor locked rotor test equipment includes:

a frame;

2. The motor stall testing apparatus of claim 1, wherein the testing mechanism comprises:

the bracket is fixed on the top surface of the rack;

3. The motor stall testing apparatus of claim 2, wherein the clamping member comprises a compression bar fixed to the output end of the fixed driving member and a fixed rod fixed to the body of the fixed driving member; the main body of the fixed driving piece is fixedly connected with the bracket; the pressing rod and the fixed rod are oppositely arranged; the fixed driving piece can drive the pressing rod to be close to or far away from the fixed rod so as to clamp or loosen the main body of the motor.

4. The motor locked-rotor testing device according to claim 2, wherein the bottom end of the connecting shaft protrudes out of the bottom surface of the locking seat, and a limiting protrusion is fixed on the side surface of the bottom end of the connecting shaft; the connecting shaft is rotatably connected with the locked rotor seat;

5. The motor stalling test device of claim 2, wherein the test mechanism further comprises an electric driving member, and a main body of the electric driving member is mounted on the bracket; the output end of the power connection driving piece is connected with the power connection terminal so as to drive the power connection terminal to move.

6. The motor stall testing apparatus of claim 2, wherein the testing mechanism further comprises a material sensor for detecting a connection shaft, the material sensor being disposed below the stall seat.

7. The motor stalling test device according to claim 2, wherein the blocking seat is provided with through holes which penetrate through a top surface and a bottom surface of the blocking seat; the connecting shaft is positioned in the through hole and is connected with the locked rotor seat through an elastic piece; the connecting shaft can move along the through hole; when the elastic piece is in a natural state, the top end of the connecting shaft protrudes out of the top surface of the blocking rotary seat.

8. The motor stalling test device of claim 7, wherein the elastic element is a spring, the spring is located in the through hole, one end of the spring is connected with the stalling seat, and the other end of the spring is connected with the connecting shaft.

9. The motor stalling test device of claim 2, wherein the connecting shaft is clamped with the stalling seat to limit rotation of the connecting shaft.

10. The motor stall testing apparatus of claim 6, wherein the stall assembly further comprises a thrust drive mounted on the bracket; the blocking rotary seat is connected with the output end of the pushing driving piece; the material sensor is connected with the output end of the pushing driving piece.

11. The motor stall testing apparatus of claim 1, wherein the feeding mechanism comprises a feeding rail disposed on the top surface of the rack and a feeding plate disposed on the feeding rail, the feeding plate being used for placing the motor.

12. The motor stall testing apparatus of claim 1, wherein the material take-off mechanism comprises a traveling frame disposed on a top surface of the rack, a drive assembly disposed on the traveling frame, and a clamping jaw disposed on an output end of the drive assembly.

13. The motor stall testing apparatus of claim 1, wherein the receiving mechanism comprises a receiving bin mounted on a top surface of the frame, the receiving bin having an opening, and the opening of the receiving bin facing upward.

14. A motor stall testing method using the motor stall testing apparatus of any one of claims 1 to 13, the method comprising:

15. The motor stall testing method of claim 14, wherein the testing the motor to obtain the test result comprises:

16. The method for testing locked-rotor of a motor according to claim 15, wherein the step of transferring the motor from the testing mechanism to the receiving mechanism or the feeding mechanism by the material taking mechanism according to the test result comprises:

17. The motor stall testing method of claim 14, wherein after the obtaining the test result, the method further comprises: