CN115646849A

CN115646849A - Performance testing device for direct-drive motor

Info

Publication number: CN115646849A
Application number: CN202211306123.9A
Authority: CN
Inventors: 燕钦章; 孟祥卿; 刘宁; 黄兆利; 王亚洲; 石道刚
Original assignee: Dongying Dehui Electromechanical Equipment Co ltd
Current assignee: Dongying Dehui Electromechanical Equipment Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-31

Abstract

The invention discloses a direct-drive motor performance testing device, which relates to the technical field of motor performance testing and comprises an operating platform and a first detection mechanism, wherein two first conveying belts are arranged at the top of the operating platform, a motor base is arranged on the first conveying belts, a gap exists between the first conveying belts, the first detection mechanisms are symmetrically arranged on two sides of the operating platform, each first detection mechanism comprises a first trapezoidal block arranged in the first conveying belt, and a connecting plate is arranged in the operating platform; and the automation degree of the whole process is high, and the detection efficiency can be improved. Through output mechanism's setting, be convenient for carry away unqualified motor screening.

Description

Performance testing device for direct-drive motor

Technical Field

The invention relates to the technical field of motor performance testing, in particular to a direct-drive motor performance testing device.

Background

The finished product plastic package motor is an essential core accessory in the small household appliance industry, and the performance of the plastic package motor needs to be tested before delivery. The existing plastic package motor is always detected by manual operation in the performance test process.

Every detection process needs the manual work to be controlled, and this just causes the human mistake that can appear in the inevitable in test procedure, and then leads to the defective products to flow into on the market as high-class product, all causes not good experience for household electrical appliances manufacture factory and user, produces serious influence to household electrical appliances manufacture factory's reputation.

The motor performance testing system is disclosed in the patent number 2018100360448, full-automatic equipment is adopted for detecting a motor to be tested, the motor to be tested can be subjected to aging testing, rotation testing, hall performance testing, resistance, voltage resistance, insulation and other performance testing, the artificial intervention on the motor to be tested is avoided, the detection precision and the detection speed are improved, the labor intensity of workers is reduced, and the labor cost is saved. The motor performance testing system using the system is used for detecting the motor to be tested, so that the problem of the motor to be tested can be quickly found, and the motor with the problem can be effectively prevented from flowing into the market as a high-quality motor.

However, in the detection process of the system through the probe, the center of the motor to be detected is not conveniently positioned, so that the probe is inaccurate in alignment and the measurement result is inaccurate; and the measurement of each mode is not synchronous and is performed singly.

Disclosure of Invention

The invention aims to provide a direct drive motor performance testing device, which solves the following technical problems: in the detection process of the system through the probe, the center of the motor to be detected is not conveniently positioned, so that the probe is inaccurate in alignment and the measurement result is inaccurate; and the measurement of each mode is not synchronous and is performed singly.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a directly drive motor capability test device, includes operation panel, detection mechanism one, the top of operation panel is provided with two conveyer belts one, installs the motor cabinet on two conveyer belts one, two there is the clearance between the conveyer belt one, detection mechanism one is installed to the bilateral symmetry of operation panel, detection mechanism one is including setting up trapezoidal piece one in stating the conveyer belt one, two bottom center department of trapezoidal piece one is provided with elevating system, the one end fixed mounting of trapezoidal piece one has two connecting plates that the symmetry set up, the connecting plate sets up in the operation panel, the top fixed mounting of connecting plate has the sliding block, connecting plate and sliding block all with operation panel sliding connection, one side fixed mounting of sliding block has expanding spring, expanding spring's tip fixed mounting has the movable block, one side that expanding spring was kept away from to the movable block evenly installs a plurality of probes, the opposite side fixed mounting of sliding block has reset spring one, the tip fixed mounting of reset spring one has L type fixed block, L type fixed block fixed mounting is on the operation panel.

As a further scheme of the invention: elevating system includes the cylinder mount pad of fixed mounting on the operation panel, the cylinder mount pad is located two between the conveyer belt one, one side swing joint of cylinder mount pad has cylinder two that the slope set up, the telescopic link end swing joint of cylinder two has the connecting axle, the both ends of connecting axle are all rotated and are connected with the V template, the equal fixed mounting in the outside of V template has the round pin axle, round pin axle and the logical groove adaptation of seting up on the lifter, two the lifter is slidable mounting respectively on slide rail one, the cylinder is two to be located between two lifters, a slide rail fixed mounting is at the operation panel, slide rail one is located two between the conveyer belt one, the top fixed mounting of lifter has trapezoidal kicking block, trapezoidal kicking block and trapezoidal block one adaptation.

As a further scheme of the invention: the first detection mechanism further comprises a first air cylinder, the first air cylinder is fixedly mounted on the operating platform and is perpendicular to the operating platform, a piston rod of the first air cylinder penetrates through an arc-shaped through hole formed in the first trapezoidal block and is connected with a sucker, and the sucker is located between the first conveyor belt.

As a further scheme of the invention: and guide posts are arranged in the first reset spring and the telescopic spring.

As a further scheme of the invention: the top fixed mounting of operation panel has detection mechanism two, detection mechanism two is located one side of detection mechanism one, detection mechanism two includes the bracing piece of vertical setting, the top fixed mounting of bracing piece has L type mounting panel, the top center department fixed mounting of L type mounting panel has cylinder three, the piston rod of cylinder three runs through L type mounting panel and frame attach, the inside fixed mounting of frame has test motor, test motor's bottom fixed mounting has accompanies and surveys the transmission shaft.

As a further scheme of the invention: accompany the bottom fixed mounting who surveys the transmission shaft to have a grip block, the through-hole has been seted up in the inside center department of grip block, the inside of grip block is seted up flutedly, the inside fixed mounting of recess has circular telegram magnet, circular telegram magnet has last the cup jointed clamping spring, clamping spring's tip fixed mounting has the arc electro-magnet.

As a further scheme of the invention: and a guide rod is arranged between the arc electromagnet and the clamping disc.

As a further scheme of the invention: the tip of operation panel is provided with output mechanism, output mechanism includes the base, the top swing joint of base has cylinder four, cylinder four's tailpiece of the piston rod portion is provided with the rocking arm, the tip of rocking arm passes through the transmission shaft and is connected with the carousel, fixed mounting has the carriage on the carousel, be provided with conveyer belt two on the carriage.

As a further scheme of the invention: the top of base is the circumference array and installs a plurality of support columns, the support column contacts with the bottom of carousel.

As a further scheme of the invention: one end of the conveying frame is connected with a limiting block which is obliquely arranged through a second reset spring, a fifth air cylinder is fixedly mounted on the other side of the conveying frame, and a limiting wheel is fixedly mounted on a piston rod of the fifth air cylinder.

The invention has the beneficial effects that:

through the arrangement of the first detection mechanism and the second detection mechanism, the center positioning of the conveyed motor to be detected is facilitated, the detection result is more accurate, the detection is synchronously performed, and the detection is more comprehensive; and the automation degree of the whole process is high, and the detection efficiency can be improved.

Through output mechanism's setting, be convenient for carry away unqualified motor screening.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the console of the present invention;

FIG. 3 is a schematic front view of a first detecting mechanism of the present invention;

FIG. 4 is a schematic view of the overall structure of the first detecting mechanism of the present invention;

FIG. 5 is a schematic side view of the first detecting mechanism of the present invention;

FIG. 6 is a schematic view of the overall structure of the second detecting mechanism of the present invention;

FIG. 7 is a schematic view of the internal structure of the connector of the present invention;

FIG. 8 is an isometric view of the output mechanism of the present invention;

fig. 9 is another isometric view of the output mechanism of the present invention.

In the figure: 1. an operation table; 11. a first conveying belt; 12. a motor base; 2. a first detection mechanism; 3. a second detection mechanism; 4. an output mechanism; 21. a first trapezoidal block; 22. a connecting plate; 23. an L-shaped fixed block; 24. a first return spring; 25. a slider; 26. a tension spring; 27. a moving block; 28. a probe; 29. a suction cup; 210. a first cylinder; 211. a trapezoidal top block; 212. a connecting shaft; 213. an arc-shaped through hole; 214. a lifting bar; 215. a through groove; 216. a pin shaft; 217. a V-shaped plate; 218. a cylinder mount; 219. a first slide rail; 220. a second air cylinder; 221. an alignment rod; 31. a support bar; 32. an L-shaped mounting plate; 33. a third cylinder; 34. a frame; 35. testing the motor; 36. measuring the transmission shaft; 37. a connecting member; 371. a clamping plate; 372. a groove; 373. energizing a magnet; 374. an arc-shaped electromagnet; 375. a clamping spring; 41. a base; 42. a cylinder IV; 43. a turntable; 44. a support pillar; 45. a carriage; 46. a second conveying belt; 47. a second return spring; 48. a limiting block; 49. a fifth cylinder; 410. a limiting wheel; 411. a rocker arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention is a direct drive motor performance testing apparatus, which includes an operation platform 1 and a detection mechanism 2, the top of the operating platform 1 is provided with two first conveying belts 11, motor bases 12 are arranged on the first conveying belts 11 and are placed on the first conveying belts 11, a motor to be tested is placed on the motor bases 12, the robot is placed on the first conveying belt 11 through a manipulator, a gap exists between the two first conveying belts 11, the two sides of the operating platform 1 are symmetrically provided with a first detection mechanism 2, the first detection mechanism 2 comprises a first trapezoidal block 21 arranged in the first conveying belt 11, the center of the bottom of the first trapezoidal block 21 is provided with a lifting mechanism, one end of the trapezoidal block I21 is fixedly provided with two symmetrically arranged connecting plates 22, the connecting plates 22 are arranged in the operating platform 1, the top of the connecting plate 22 is fixedly provided with a sliding block 25, the connecting plate 22 and the sliding block 25 are both connected with the operating platform 1 in a sliding way, and the operating table 1 is provided with a groove for sliding the connecting plate 22 and the sliding block 25, one side of the sliding block 25 is fixedly provided with a telescopic spring 26, a moving block 27 is fixedly arranged at the end part of the extension spring 26, a plurality of probes 28 are uniformly arranged at one side of the moving block 27 far away from the extension spring 26, an alignment rod 221 is arranged below the probe 28, the alignment rod 221 is inserted into the sliding block 25, the aligning rod 221 is sleeved with a restoring spring to facilitate the compression of the restoring spring, so that the aligning rod 221 is firstly contacted with the motor base 12, the other side of the sliding block 25 is fixedly provided with a first return spring 24, an L-shaped fixing block 23 is fixedly mounted at the end of the first return spring 24, and the L-shaped fixing block 23 is fixedly mounted on the operating platform 1.

The lifting mechanism comprises an air cylinder mounting seat 218 fixedly mounted on the operating platform 1, the air cylinder mounting seat 218 is located between two conveyor belts I11, one side of the air cylinder mounting seat 218 is movably connected with an air cylinder II 220 which is obliquely arranged, the end part of a telescopic rod of the air cylinder II 220 is movably connected with a connecting shaft 212, two ends of the connecting shaft 212 are rotatably connected with a V-shaped plate 217, the bottom of the V-shaped plate 217 is rotatably connected with the operating platform 1, the V-shaped plate 217 is divided into a main force arm and a power arm, the power arm is longer than the main force arm, the power arm is movably connected with the air cylinder II 220, the structure can realize a self-locking function, when the power arm drives a pin shaft 216 to be at the rightmost end in a through groove 215, namely when the trapezoidal top block 211 is jacked, downward pressure generated by the trapezoidal block I21 above and horizontal thrust formed by the main force arm form an angle of 90 degrees, so that self-locking is formed, the pin shaft 216 is fixedly mounted on the outer side of the V-shaped plate 217, the pin shaft 216 is matched with a hinge shaft 215 arranged on the lifting block 214, the two lifting bars 214 are respectively slidably mounted on one sliding rail 219, the two sliding rails 220 are located between the fixed slide rail 219, the two conveyor belts I11, and the lifting block 211 is convenient for pushing of the lifting block 211, and the lifting block 211 is mounted on the trapezoidal top of the trapezoidal block 21, and the lifting block 211.

The first detection mechanism 2 further comprises a first air cylinder 210, the first air cylinder 210 is fixedly mounted on the operating platform 1 and is perpendicular to the operating platform 1, a piston rod of the first air cylinder 210 penetrates through an arc-shaped through hole 213 formed in the first trapezoidal block 21 and is connected with the sucking disc 29, and the sucking disc 29 is located between the two first conveyor belts 11.

The first reset spring 24 and the telescopic spring 26 are internally provided with guide columns for guiding and are in through plug connection, so that the first reset spring 24 and the telescopic spring 26 are not bent.

The driving cylinder II 220 drives the pushing V-shaped plate 217 to rotate, drives the pin shaft 216 to slide in the through groove 215, further drives the lifting strip 214 to ascend through the pin shaft 216, further pushes the trapezoidal top block 211 to ascend, pushes the trapezoidal block I21 to move towards two sides, and further pushes the sliding block; the sliding block 25, the extension spring 26, the moving block 27 and the probe 28 move towards two sides, the detection is disconnected, and the motor base 12 is loosened through the sucking disc 29;

on the contrary, the motor to be detected is placed on the motor base 12, then the motor is conveyed through the first conveying belt 11, when the first conveying belt 11 reaches the position between the first detection mechanisms 2, the trapezoid jacking block 211 is driven to descend, under the action of the first return spring 24, the sliding block 25, the expansion spring 26, the moving block 27 and the probe 28 move inwards, the alignment rod 221 firstly contacts with the motor base 12 to be positioned, and is located at the center, at the moment, the first air cylinder 210 drives the suction disc 29 to ascend to fix the motor base 12, then the sliding block 25, the expansion spring 26, the moving block 27 and the probe 28 continue to move inwards, the alignment rod 221 compresses the recovery spring, the probe 28 is in butt joint with the motor joint to be detected, the detection is carried out, and the detection is more accurate. The automation degree of the whole process is high.

Example 2

Please refer to fig. 1-7 and show, the top fixed mounting of operation panel 1 has detection mechanism two 3, detection mechanism two 3 is located one side of detection mechanism one 2, detection mechanism two 3 includes the bracing piece 31 of vertical setting, the top fixed mounting of bracing piece 31 has L type mounting panel 32, the top center department fixed mounting of L type mounting panel 32 has cylinder three 33, the piston rod of cylinder three 33 runs through L type mounting panel 32 and is connected with frame 34, frame 34 and L type mounting panel 32 sliding connection guarantee its stability that removes, the inside fixed mounting of frame 34 has test motor 35, the bottom fixed mounting of test motor 35 has accompanies and surveys transmission shaft 36.

Accompany and survey bottom fixed mounting connecting piece 37 of transmission shaft 36, connecting piece 37 includes grip block 371, the through-hole has been seted up to the inside center department of grip block 371, recess 372 has been seted up to the inside of grip block 371, the inside fixed mounting of recess 372 has circular telegram magnet 373, circular telegram magnet 373 has cup jointed clamp spring 375, clamp spring 375's tip fixed mounting has arc electro-magnet 374.

And a guide rod is arranged between the arc-shaped electromagnet 374 and the clamping disc 371 for guiding.

When probe 28 detects, can drive cylinder three 33, drive frame 34 and descend, and then drive test motor 35 and accompany and survey transmission shaft 36 and descend, accompany and survey transmission shaft 36 and be connected with the pivot of the motor that awaits measuring, rotate the test.

Inserting the rotating shaft of the motor to be detected into the through hole of the turntable 43, electrifying the electrifying magnet 373 and the arc-shaped electromagnet 374 to generate opposite magnetism, pushing the arc-shaped electromagnet 374 to move outwards, and further fixing the rotating shaft of the motor to be detected for detection; otherwise, when the power is cut off, the clamping spring 375 can be loosened to drive the arc-shaped electromagnet 374 to reset.

Example 3

Referring to fig. 1 to 9, an output mechanism 4 is disposed at an end of the operating table 1, the output mechanism 4 includes a base 41, a cylinder four 42 is movably connected to a top of the base 41, a rocker arm 411 is disposed at a piston rod end of the cylinder four 42, an end of the rocker arm 411 is connected to a turntable 43 through a transmission shaft, a conveying frame 45 is fixedly mounted on the turntable 43, and a second conveying belt 46 is disposed on the conveying frame 45.

A plurality of supporting columns 44 are installed on the top of the base 41 in a circumferential array, and the supporting columns 44 are in contact with the bottom of the turntable 43. The turntable 43 is supported to ensure the stability of rotation.

One end of the conveying frame 45 is connected with a limiting block 48 which is obliquely arranged through a second return spring 47, when the motor contacts with the limiting block 48, the second return spring 47 can be compressed to limit the motor, a fifth cylinder 49 is fixedly mounted on the other side of the conveying frame 45, and a limiting wheel 410 is fixedly mounted on a piston rod of the fifth cylinder 49.

When detecting the unqualified motor that awaits measuring of performance, when the motor that awaits measuring moves on conveyer belt two 46, drive five 49 of actuating cylinder, drive spacing wheel 410 and rise, spacing through stopper 48 and spacing wheel 410 to it, then drive four 42 of actuating cylinder, drive carriage 45 and carousel 43 through rocking arm 411 and rotate 90 degrees angles to drive spacing wheel 410 and descend, carry it out, be convenient for go out unqualified motor screening.

The working principle of the invention is as follows: the method comprises the steps that a motor to be detected is placed on a motor base 12 and then is conveyed through a first conveying belt 11, when the first conveying belt 11 reaches a first detection mechanism 2, a trapezoidal top block 211 is driven to descend, under the action of a first return spring 24, a sliding block 25, an expansion spring 26, a moving block 27 and a probe 28 are pushed to move inwards, an alignment rod 221 firstly contacts with the motor base 12 to be positioned, and is positioned at the center, at the moment, a first air cylinder 210 drives a sucker 29 to ascend to fix the motor base 12, then the sliding block 25, the expansion spring 26, the moving block 27 and the probe 28 continue to move inwards, the alignment rod 221 compresses a return spring, the probe 28 is butted with a connector of the motor to be detected, detection is carried out, and detection is more accurate; otherwise, the conveyer can be loosened for conveying;

when probe 28 detected, can drive actuating cylinder three 33, drive frame 34 and descend, and then drive test motor 35 and accompany and survey the descending of transmission shaft 36, accompany and survey the pivot of transmission shaft 36 and the motor that awaits measuring and be connected, detect, can carry out multi-functional detection. Inserting the rotating shaft of the motor to be detected into the through hole of the turntable 43, electrifying the electrifying magnet 373 and the arc-shaped electromagnet 374 to generate the same magnetism, pushing the arc-shaped electromagnet 374 to move outwards, fixing the rotating shaft of the motor to be detected, and detecting; otherwise, when the power is cut off, the power can be loosened, and the arc-shaped electromagnet 374 is driven to reset by the clamping spring 375;

when detecting the unqualified motor that awaits measuring of performance, the motor that awaits measuring when moving on conveyer belt two 46, drive five 49 of actuating cylinder, drive spacing wheel 410 and rise, carry on spacingly to it through stopper 48 and spacing wheel 410, then drive actuating cylinder four 42, drive carriage 45 and carousel 43 through rocking arm 411 and rotate 90 degrees angles to drive spacing wheel 410 and descend, carry it out, be convenient for go out unqualified motor screening.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The device for testing the performance of the direct-drive motor is characterized by comprising an operating platform (1) and a first detection mechanism (2), wherein two first conveyor belts (11) are arranged at the top of the operating platform (1), a motor base (12) is installed on the first conveyor belts (11), a gap exists between the first conveyor belts (11), the first detection mechanisms (2) are symmetrically installed on two sides of the operating platform (1), the first detection mechanisms (2) comprise first trapezoidal blocks (21) arranged in the first conveyor belts (11), a lifting mechanism is arranged at the center of the bottoms of the first trapezoidal blocks (21), two connecting plates (22) are symmetrically arranged and fixedly installed at one ends of the first trapezoidal blocks (21), the connecting plates (22) are arranged in the operating platform (1), sliding blocks (25) are fixedly installed at the tops of the connecting plates (22), the connecting plates (22) and the sliding blocks (25) are both in sliding connection with the operating platform (1), telescopic springs (26) are fixedly installed at one sides of the telescopic springs (25), moving blocks (27) are fixedly installed at the end parts of the telescopic springs (26), a plurality of the telescopic springs (27) are uniformly installed on one side far away from the sliding blocks (26), and a plurality of reset springs (24) are installed at the other sides of the sliding blocks (24), the end part of the first reset spring (24) is fixedly provided with an L-shaped fixed block (23), and the L-shaped fixed block (23) is fixedly arranged on the operating platform (1).

2. The device for testing the performance of the direct-drive motor is characterized in that the lifting mechanism comprises a cylinder mounting seat (218) fixedly mounted on an operation platform (1), the cylinder mounting seat (218) is located between two first conveyor belts (11), a second obliquely-arranged cylinder (220) is movably connected to one side of the cylinder mounting seat (218), a connecting shaft (212) is movably connected to the end portion of a telescopic rod of the second cylinder (220), two ends of the connecting shaft (212) are rotatably connected with a V-shaped plate (217), a pin shaft (216) is fixedly mounted on the outer side of the V-shaped plate (217), the pin shaft (216) is matched with a through groove (215) formed in the lifting strip (214), the two lifting strips (214) are respectively and slidably mounted on a first sliding rail (219), the second cylinder (220) is located between the two lifting strips (214), the first sliding rail (219) is fixedly mounted on the operation platform (1), the first sliding rail (219) is located between the two first conveyor belts (11), a top block (211) is fixedly mounted on the top of the lifting strip (214), and a trapezoidal block (21) is matched with a trapezoidal block.

3. The device for testing the performance of the direct drive motor according to claim 2, wherein the first detection mechanism (2) further comprises a first air cylinder (210), the first air cylinder (210) is fixedly installed on the operating platform (1) and is perpendicular to the operating platform (1), a piston rod of the first air cylinder (210) penetrates through an arc-shaped through hole (213) formed in the first trapezoidal block (21) and is connected with the suction cup (29), and the suction cup (29) is located between the two first conveyor belts (11).

4. The direct drive motor performance testing device as recited in claim 1, characterized in that a guide post is arranged inside each of the first return spring (24) and the extension spring (26).

5. The direct-drive motor performance testing device of claim 1, characterized in that the top fixed mounting of operation panel (1) has detection mechanism two (3), detection mechanism two (3) are located one side of detection mechanism one (2), detection mechanism two (3) are including vertical bracing piece (31) that sets up, the top fixed mounting of bracing piece (31) has L type mounting panel (32), the top center department fixed mounting of L type mounting panel (32) has cylinder three (33), the piston rod of cylinder three (33) runs through L type mounting panel (32) and is connected with frame (34), the inside fixed mounting of frame (34) has test motor (35), the bottom fixed mounting of test motor (35) has accompanies and surveys transmission shaft (36).

6. The direct-drive motor performance testing device of claim 5, wherein a clamping disc (371) is fixedly mounted at the bottom of the accompanying and measuring transmission shaft (36), a through hole is formed in the center of the inside of the clamping disc (371), a groove (372) is formed in the clamping disc (371), an electrifying magnet (373) is fixedly mounted in the groove (372), a clamping spring (375) is sleeved on the electrifying magnet (373), and an arc-shaped electromagnet (374) is fixedly mounted at the end of the clamping spring (375).

7. The direct drive motor performance testing device as claimed in claim 6, wherein a guide rod is arranged between the arc-shaped electromagnet (374) and the clamping disc (371).

8. The direct drive motor performance testing device of claim 1, wherein an output mechanism (4) is arranged at an end of the operating table (1), the output mechanism (4) comprises a base (41), a cylinder four (42) is movably connected to the top of the base (41), a rocker arm (411) is arranged at a piston rod end of the cylinder four (42), an end of the rocker arm (411) is connected with a turntable (43) through a transmission shaft, a conveying frame (45) is fixedly mounted on the turntable (43), and a conveying belt two (46) is arranged on the conveying frame (45).

9. The direct drive motor performance testing device as recited in claim 8, wherein a plurality of supporting columns (44) are installed on the top of the base (41) in a circumferential array, and the supporting columns (44) are in contact with the bottom of the turntable (43).

10. The device for testing the performance of the direct drive motor according to claim 8, wherein one end of the conveying frame (45) is connected with a limiting block (48) which is obliquely arranged through a second return spring (47), a fifth air cylinder (49) is fixedly installed on the other side of the conveying frame (45), and a limiting wheel (410) is fixedly installed on a piston rod of the fifth air cylinder (49).